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-rw-r--r--.gitignore6
-rw-r--r--Makefile32
-rw-r--r--assets/dwm.1 (renamed from dwm.1)0
-rw-r--r--assets/dwm.png (renamed from dwm.png)bin373 -> 373 bytes
-rw-r--r--drw.c~450
-rwxr-xr-xdwmbin0 -> 72656 bytes
-rw-r--r--dwm.c2903
-rw-r--r--dwm.c~2884
-rw-r--r--src/config/config.def.h (renamed from config.def.h)0
-rw-r--r--src/config/config.h (renamed from config.h)0
-rw-r--r--src/config/config.mk (renamed from config.mk)2
-rw-r--r--src/core/dwm.c2735
-rw-r--r--src/drw/drw.c (renamed from drw.c)0
-rw-r--r--src/drw/drw.h (renamed from drw.h)50
-rw-r--r--src/transient/transient.c87
-rw-r--r--src/util/util.c62
-rw-r--r--src/util/util.h59
-rw-r--r--transient.c42
-rw-r--r--util.c36
-rw-r--r--util.h8
20 files changed, 2995 insertions, 6361 deletions
diff --git a/.gitignore b/.gitignore
index fcd69c8..1c42a0f 100644
--- a/.gitignore
+++ b/.gitignore
@@ -2,7 +2,5 @@
2*.rej 2*.rej
3*.diff 3*.diff
4patches 4patches
5util.o 5*.o
6dwm 6./dwm
7dwm.o
8drw.o
diff --git a/Makefile b/Makefile
index ffa69b4..ad5119d 100644
--- a/Makefile
+++ b/Makefile
@@ -1,20 +1,30 @@
1# dwm - dynamic window manager 1# dwm - dynamic window manager
2# See LICENSE file for copyright and license details. 2# See LICENSE file for copyright and license details.
3 3
4include config.mk 4include src/config/config.mk
5 5
6SRC = drw.c dwm.c util.c 6SRC = src/drw/drw.c src/core/dwm.c src/util/util.c
7OBJ = ${SRC:.c=.o} 7OBJ = $(SRC:.c=.o)
8
9CFLAGS += -std=c99 -pedantic -Wall -Wno-deprecated-declarations -Os \
10 -I/usr/X11R6/include \
11 -I/usr/include/freetype2 \
12 -I./src/util \
13 -I./src/drw \
14 -D_DEFAULT_SOURCE -D_BSD_SOURCE -D_XOPEN_SOURCE=700L \
15 -DVERSION=\"6.4\" -DXINERAMA
16
17LDFLAGS += -L/usr/X11R6/lib -lX11 -lXinerama -lfontconfig -lXft -lX11-xcb -lxcb -lxcb-res
8 18
9all: dwm 19all: dwm
10 20
11.c.o: 21%.o: %.c
12 ${CC} -c ${CFLAGS} $< 22 ${CC} -c ${CFLAGS} -o $@ $<
13 23
14${OBJ}: config.h config.mk 24${OBJ}: src/config/config.h src/config/config.mk
15 25
16config.h: 26config.h:
17 cp config.def.h $@ 27 cp src/config/config.def.h $@
18 28
19dwm: ${OBJ} 29dwm: ${OBJ}
20 ${CC} -o $@ ${OBJ} ${LDFLAGS} 30 ${CC} -o $@ ${OBJ} ${LDFLAGS}
@@ -24,8 +34,8 @@ clean:
24 34
25dist: clean 35dist: clean
26 mkdir -p dwm-${VERSION} 36 mkdir -p dwm-${VERSION}
27 cp -R LICENSE Makefile README config.def.h config.mk\ 37 cp -R LICENSE Makefile README src/config/config.def.h src/config/config.mk \
28 dwm.1 drw.h util.h ${SRC} dwm.png transient.c dwm-${VERSION} 38 src/core/dwm.1 src/drw/drw.h src/util/util.h ${SRC} /assets/dwm.png src/transient/transient.c dwm-${VERSION}
29 tar -cf dwm-${VERSION}.tar dwm-${VERSION} 39 tar -cf dwm-${VERSION}.tar dwm-${VERSION}
30 gzip dwm-${VERSION}.tar 40 gzip dwm-${VERSION}.tar
31 rm -rf dwm-${VERSION} 41 rm -rf dwm-${VERSION}
@@ -35,11 +45,11 @@ install: all
35 cp -f dwm ${DESTDIR}${PREFIX}/bin 45 cp -f dwm ${DESTDIR}${PREFIX}/bin
36 chmod 755 ${DESTDIR}${PREFIX}/bin/dwm 46 chmod 755 ${DESTDIR}${PREFIX}/bin/dwm
37 mkdir -p ${DESTDIR}${MANPREFIX}/man1 47 mkdir -p ${DESTDIR}${MANPREFIX}/man1
38 sed "s/VERSION/${VERSION}/g" < dwm.1 > ${DESTDIR}${MANPREFIX}/man1/dwm.1 48 sed "s/VERSION/${VERSION}/g" < assets/dwm.1 > ${DESTDIR}${MANPREFIX}/man1/dwm.1
39 chmod 644 ${DESTDIR}${MANPREFIX}/man1/dwm.1 49 chmod 644 ${DESTDIR}${MANPREFIX}/man1/dwm.1
40 50
41uninstall: 51uninstall:
42 rm -f ${DESTDIR}${PREFIX}/bin/dwm\ 52 rm -f ${DESTDIR}${PREFIX}/bin/dwm \
43 ${DESTDIR}${MANPREFIX}/man1/dwm.1 53 ${DESTDIR}${MANPREFIX}/man1/dwm.1
44 54
45.PHONY: all clean dist install uninstall 55.PHONY: all clean dist install uninstall
diff --git a/dwm.1 b/assets/dwm.1
index ddc8321..ddc8321 100644
--- a/dwm.1
+++ b/assets/dwm.1
diff --git a/dwm.png b/assets/dwm.png
index b1f9ba7..b1f9ba7 100644
--- a/dwm.png
+++ b/assets/dwm.png
Binary files differ
diff --git a/drw.c~ b/drw.c~
deleted file mode 100644
index a58a2b4..0000000
--- a/drw.c~
+++ /dev/null
@@ -1,450 +0,0 @@
1/* See LICENSE file for copyright and license details. */
2#include <stdio.h>
3#include <stdlib.h>
4#include <string.h>
5#include <X11/Xlib.h>
6#include <X11/Xft/Xft.h>
7
8#include "drw.h"
9#include "util.h"
10
11#define UTF_INVALID 0xFFFD
12#define UTF_SIZ 4
13
14static const unsigned char utfbyte[UTF_SIZ + 1] = {0x80, 0, 0xC0, 0xE0, 0xF0};
15static const unsigned char utfmask[UTF_SIZ + 1] = {0xC0, 0x80, 0xE0, 0xF0, 0xF8};
16static const long utfmin[UTF_SIZ + 1] = { 0, 0, 0x80, 0x800, 0x10000};
17static const long utfmax[UTF_SIZ + 1] = {0x10FFFF, 0x7F, 0x7FF, 0xFFFF, 0x10FFFF};
18
19static long
20utf8decodebyte(const char c, size_t *i)
21{
22 for (*i = 0; *i < (UTF_SIZ + 1); ++(*i))
23 if (((unsigned char)c & utfmask[*i]) == utfbyte[*i])
24 return (unsigned char)c & ~utfmask[*i];
25 return 0;
26}
27
28static size_t
29utf8validate(long *u, size_t i)
30{
31 if (!BETWEEN(*u, utfmin[i], utfmax[i]) || BETWEEN(*u, 0xD800, 0xDFFF))
32 *u = UTF_INVALID;
33 for (i = 1; *u > utfmax[i]; ++i)
34 ;
35 return i;
36}
37
38static size_t
39utf8decode(const char *c, long *u, size_t clen)
40{
41 size_t i, j, len, type;
42 long udecoded;
43
44 *u = UTF_INVALID;
45 if (!clen)
46 return 0;
47 udecoded = utf8decodebyte(c[0], &len);
48 if (!BETWEEN(len, 1, UTF_SIZ))
49 return 1;
50 for (i = 1, j = 1; i < clen && j < len; ++i, ++j) {
51 udecoded = (udecoded << 6) | utf8decodebyte(c[i], &type);
52 if (type)
53 return j;
54 }
55 if (j < len)
56 return 0;
57 *u = udecoded;
58 utf8validate(u, len);
59
60 return len;
61}
62
63Drw *
64drw_create(Display *dpy, int screen, Window root, unsigned int w, unsigned int h)
65{
66 Drw *drw = ecalloc(1, sizeof(Drw));
67
68 drw->dpy = dpy;
69 drw->screen = screen;
70 drw->root = root;
71 drw->w = w;
72 drw->h = h;
73 drw->drawable = XCreatePixmap(dpy, root, w, h, DefaultDepth(dpy, screen));
74 drw->gc = XCreateGC(dpy, root, 0, NULL);
75 XSetLineAttributes(dpy, drw->gc, 1, LineSolid, CapButt, JoinMiter);
76
77 return drw;
78}
79
80void
81drw_resize(Drw *drw, unsigned int w, unsigned int h)
82{
83 if (!drw)
84 return;
85
86 drw->w = w;
87 drw->h = h;
88 if (drw->drawable)
89 XFreePixmap(drw->dpy, drw->drawable);
90 drw->drawable = XCreatePixmap(drw->dpy, drw->root, w, h, DefaultDepth(drw->dpy, drw->screen));
91}
92
93void
94drw_free(Drw *drw)
95{
96 XFreePixmap(drw->dpy, drw->drawable);
97 XFreeGC(drw->dpy, drw->gc);
98 drw_fontset_free(drw->fonts);
99 free(drw);
100}
101
102/* This function is an implementation detail. Library users should use
103 * drw_fontset_create instead.
104 */
105static Fnt *
106xfont_create(Drw *drw, const char *fontname, FcPattern *fontpattern)
107{
108 Fnt *font;
109 XftFont *xfont = NULL;
110 FcPattern *pattern = NULL;
111
112 if (fontname) {
113 /* Using the pattern found at font->xfont->pattern does not yield the
114 * same substitution results as using the pattern returned by
115 * FcNameParse; using the latter results in the desired fallback
116 * behaviour whereas the former just results in missing-character
117 * rectangles being drawn, at least with some fonts. */
118 if (!(xfont = XftFontOpenName(drw->dpy, drw->screen, fontname))) {
119 fprintf(stderr, "error, cannot load font from name: '%s'\n", fontname);
120 return NULL;
121 }
122 if (!(pattern = FcNameParse((FcChar8 *) fontname))) {
123 fprintf(stderr, "error, cannot parse font name to pattern: '%s'\n", fontname);
124 XftFontClose(drw->dpy, xfont);
125 return NULL;
126 }
127 } else if (fontpattern) {
128 if (!(xfont = XftFontOpenPattern(drw->dpy, fontpattern))) {
129 fprintf(stderr, "error, cannot load font from pattern.\n");
130 return NULL;
131 }
132 } else {
133 die("no font specified.");
134 }
135
136 font = ecalloc(1, sizeof(Fnt));
137 font->xfont = xfont;
138 font->pattern = pattern;
139 font->h = xfont->ascent + xfont->descent;
140 font->dpy = drw->dpy;
141
142 return font;
143}
144
145static void
146xfont_free(Fnt *font)
147{
148 if (!font)
149 return;
150 if (font->pattern)
151 FcPatternDestroy(font->pattern);
152 XftFontClose(font->dpy, font->xfont);
153 free(font);
154}
155
156Fnt*
157drw_fontset_create(Drw* drw, const char *fonts[], size_t fontcount)
158{
159 Fnt *cur, *ret = NULL;
160 size_t i;
161
162 if (!drw || !fonts)
163 return NULL;
164
165 for (i = 1; i <= fontcount; i++) {
166 if ((cur = xfont_create(drw, fonts[fontcount - i], NULL))) {
167 cur->next = ret;
168 ret = cur;
169 }
170 }
171 return (drw->fonts = ret);
172}
173
174void
175drw_fontset_free(Fnt *font)
176{
177 if (font) {
178 drw_fontset_free(font->next);
179 xfont_free(font);
180 }
181}
182
183void
184drw_clr_create(Drw *drw, Clr *dest, const char *clrname)
185{
186 if (!drw || !dest || !clrname)
187 return;
188
189 if (!XftColorAllocName(drw->dpy, DefaultVisual(drw->dpy, drw->screen),
190 DefaultColormap(drw->dpy, drw->screen),
191 clrname, dest))
192 die("error, cannot allocate color '%s'", clrname);
193}
194
195/* Wrapper to create color schemes. The caller has to call free(3) on the
196 * returned color scheme when done using it. */
197Clr *
198drw_scm_create(Drw *drw, const char *clrnames[], size_t clrcount)
199{
200 size_t i;
201 Clr *ret;
202
203 /* need at least two colors for a scheme */
204 if (!drw || !clrnames || clrcount < 2 || !(ret = ecalloc(clrcount, sizeof(XftColor))))
205 return NULL;
206
207 for (i = 0; i < clrcount; i++)
208 drw_clr_create(drw, &ret[i], clrnames[i]);
209 return ret;
210}
211
212void
213drw_setfontset(Drw *drw, Fnt *set)
214{
215 if (drw)
216 drw->fonts = set;
217}
218
219void
220drw_setscheme(Drw *drw, Clr *scm)
221{
222 if (drw)
223 drw->scheme = scm;
224}
225
226void
227drw_rect(Drw *drw, int x, int y, unsigned int w, unsigned int h, int filled, int invert)
228{
229 if (!drw || !drw->scheme)
230 return;
231 XSetForeground(drw->dpy, drw->gc, invert ? drw->scheme[ColBg].pixel : drw->scheme[ColFg].pixel);
232 if (filled)
233 XFillRectangle(drw->dpy, drw->drawable, drw->gc, x, y, w, h);
234 else
235 XDrawRectangle(drw->dpy, drw->drawable, drw->gc, x, y, w - 1, h - 1);
236}
237
238int
239drw_text(Drw *drw, int x, int y, unsigned int w, unsigned int h, unsigned int lpad, const char *text, int invert)
240{
241 int i, ty, ellipsis_x = 0;
242 unsigned int tmpw, ew, ellipsis_w = 0, ellipsis_len;
243 XftDraw *d = NULL;
244 Fnt *usedfont, *curfont, *nextfont;
245 int utf8strlen, utf8charlen, render = x || y || w || h;
246 long utf8codepoint = 0;
247 const char *utf8str;
248 FcCharSet *fccharset;
249 FcPattern *fcpattern;
250 FcPattern *match;
251 XftResult result;
252 int charexists = 0, overflow = 0;
253 /* keep track of a couple codepoints for which we have no match. */
254 enum { nomatches_len = 64 };
255 static struct { long codepoint[nomatches_len]; unsigned int idx; } nomatches;
256 static unsigned int ellipsis_width = 0;
257
258 if (!drw || (render && (!drw->scheme || !w)) || !text || !drw->fonts)
259 return 0;
260
261 if (!render) {
262 w = invert ? invert : ~invert;
263 } else {
264 XSetForeground(drw->dpy, drw->gc, drw->scheme[invert ? ColFg : ColBg].pixel);
265 XFillRectangle(drw->dpy, drw->drawable, drw->gc, x, y, w, h);
266 d = XftDrawCreate(drw->dpy, drw->drawable,
267 DefaultVisual(drw->dpy, drw->screen),
268 DefaultColormap(drw->dpy, drw->screen));
269 x += lpad;
270 w -= lpad;
271 }
272
273 usedfont = drw->fonts;
274 if (!ellipsis_width && render)
275 ellipsis_width = drw_fontset_getwidth(drw, "...");
276 while (1) {
277 ew = ellipsis_len = utf8strlen = 0;
278 utf8str = text;
279 nextfont = NULL;
280 while (*text) {
281 utf8charlen = utf8decode(text, &utf8codepoint, UTF_SIZ);
282 for (curfont = drw->fonts; curfont; curfont = curfont->next) {
283 charexists = charexists || XftCharExists(drw->dpy, curfont->xfont, utf8codepoint);
284 if (charexists) {
285 drw_font_getexts(curfont, text, utf8charlen, &tmpw, NULL);
286 if (ew + ellipsis_width <= w) {
287 /* keep track where the ellipsis still fits */
288 ellipsis_x = x + ew;
289 ellipsis_w = w - ew;
290 ellipsis_len = utf8strlen;
291 }
292
293 if (ew + tmpw > w) {
294 overflow = 1;
295 /* called from drw_fontset_getwidth_clamp():
296 * it wants the width AFTER the overflow
297 */
298 if (!render)
299 x += tmpw;
300 else
301 utf8strlen = ellipsis_len;
302 } else if (curfont == usedfont) {
303 utf8strlen += utf8charlen;
304 text += utf8charlen;
305 ew += tmpw;
306 } else {
307 nextfont = curfont;
308 }
309 break;
310 }
311 }
312
313 if (overflow || !charexists || nextfont)
314 break;
315 else
316 charexists = 0;
317 }
318
319 if (utf8strlen) {
320 if (render) {
321 ty = y + (h - usedfont->h) / 2 + usedfont->xfont->ascent;
322 XftDrawStringUtf8(d, &drw->scheme[invert ? ColBg : ColFg],
323 usedfont->xfont, x, ty, (XftChar8 *)utf8str, utf8strlen);
324 }
325 x += ew;
326 w -= ew;
327 }
328 if (render && overflow)
329 drw_text(drw, ellipsis_x, y, ellipsis_w, h, 0, "...", invert);
330
331 if (!*text || overflow) {
332 break;
333 } else if (nextfont) {
334 charexists = 0;
335 usedfont = nextfont;
336 } else {
337 /* Regardless of whether or not a fallback font is found, the
338 * character must be drawn. */
339 charexists = 1;
340
341 for (i = 0; i < nomatches_len; ++i) {
342 /* avoid calling XftFontMatch if we know we won't find a match */
343 if (utf8codepoint == nomatches.codepoint[i])
344 goto no_match;
345 }
346
347 fccharset = FcCharSetCreate();
348 FcCharSetAddChar(fccharset, utf8codepoint);
349
350 if (!drw->fonts->pattern) {
351 /* Refer to the comment in xfont_create for more information. */
352 die("the first font in the cache must be loaded from a font string.");
353 }
354
355 fcpattern = FcPatternDuplicate(drw->fonts->pattern);
356 FcPatternAddCharSet(fcpattern, FC_CHARSET, fccharset);
357 FcPatternAddBool(fcpattern, FC_SCALABLE, FcTrue);
358
359 FcConfigSubstitute(NULL, fcpattern, FcMatchPattern);
360 FcDefaultSubstitute(fcpattern);
361 match = XftFontMatch(drw->dpy, drw->screen, fcpattern, &result);
362
363 FcCharSetDestroy(fccharset);
364 FcPatternDestroy(fcpattern);
365
366 if (match) {
367 usedfont = xfont_create(drw, NULL, match);
368 if (usedfont && XftCharExists(drw->dpy, usedfont->xfont, utf8codepoint)) {
369 for (curfont = drw->fonts; curfont->next; curfont = curfont->next)
370 ; /* NOP */
371 curfont->next = usedfont;
372 } else {
373 xfont_free(usedfont);
374 nomatches.codepoint[++nomatches.idx % nomatches_len] = utf8codepoint;
375no_match:
376 usedfont = drw->fonts;
377 }
378 }
379 }
380 }
381 if (d)
382 XftDrawDestroy(d);
383
384 return x + (render ? w : 0);
385}
386
387void
388drw_map(Drw *drw, Window win, int x, int y, unsigned int w, unsigned int h)
389{
390 if (!drw)
391 return;
392
393 XCopyArea(drw->dpy, drw->drawable, win, drw->gc, x, y, w, h, x, y);
394 XSync(drw->dpy, False);
395}
396
397unsigned int
398drw_fontset_getwidth(Drw *drw, const char *text)
399{
400 if (!drw || !drw->fonts || !text)
401 return 0;
402 return drw_text(drw, 0, 0, 0, 0, 0, text, 0);
403}
404
405unsigned int
406drw_fontset_getwidth_clamp(Drw *drw, const char *text, unsigned int n)
407{
408 unsigned int tmp = 0;
409 if (drw && drw->fonts && text && n)
410 tmp = drw_text(drw, 0, 0, 0, 0, 0, text, n);
411 return MIN(n, tmp);
412}
413
414void
415drw_font_getexts(Fnt *font, const char *text, unsigned int len, unsigned int *w, unsigned int *h)
416{
417 XGlyphInfo ext;
418
419 if (!font || !text)
420 return;
421
422 XftTextExtentsUtf8(font->dpy, font->xfont, (XftChar8 *)text, len, &ext);
423 if (w)
424 *w = ext.xOff;
425 if (h)
426 *h = font->h;
427}
428
429Cur *
430drw_cur_create(Drw *drw, int shape)
431{
432 Cur *cur;
433
434 if (!drw || !(cur = ecalloc(1, sizeof(Cur))))
435 return NULL;
436
437 cur->cursor = XCreateFontCursor(drw->dpy, shape);
438
439 return cur;
440}
441
442void
443drw_cur_free(Drw *drw, Cur *cursor)
444{
445 if (!cursor)
446 return;
447
448 XFreeCursor(drw->dpy, cursor->cursor);
449 free(cursor);
450}
diff --git a/dwm b/dwm
new file mode 100755
index 0000000..07c3688
--- /dev/null
+++ b/dwm
Binary files differ
diff --git a/dwm.c b/dwm.c
deleted file mode 100644
index 22f228a..0000000
--- a/dwm.c
+++ /dev/null
@@ -1,2903 +0,0 @@
1/* See LICENSE file for copyright and license details.
2 *
3 * dynamic window manager is designed like any other X client as well. It is
4 * driven through handling X events. In contrast to other X clients, a window
5 * manager selects for SubstructureRedirectMask on the root window, to receive
6 * events about window (dis-)appearance. Only one X connection at a time is
7 * allowed to select for this event mask.
8 *
9 * The event handlers of dwm are organized in an array which is accessed
10 * whenever a new event has been fetched. This allows event dispatching
11 * in O(1) time.
12 *
13 * Each child of the root window is called a client, except windows which have
14 * set the override_redirect flag. Clients are organized in a linked client
15 * list on each monitor, the focus history is remembered through a stack list
16 * on each monitor. Each client contains a bit array to indicate the tags of a
17 * client.
18 *
19 * Keys and tagging rules are organized as arrays and defined in config.h.
20 *
21 * To understand everything else, start reading main().
22 */
23#include <errno.h>
24#include <locale.h>
25#include <signal.h>
26#include <stdarg.h>
27#include <stdio.h>
28#include <stdlib.h>
29#include <string.h>
30#include <unistd.h>
31#include <sys/types.h>
32#include <sys/wait.h>
33#include <X11/cursorfont.h>
34#include <X11/keysym.h>
35#include <X11/Xatom.h>
36#include <X11/Xlib.h>
37#include <X11/Xproto.h>
38#include <X11/Xutil.h>
39#ifdef XINERAMA
40#include <X11/extensions/Xinerama.h>
41#endif /* XINERAMA */
42#include <X11/Xft/Xft.h>
43#include <X11/Xlib-xcb.h>
44#include <xcb/res.h>
45#ifdef __OpenBSD__
46#include <sys/sysctl.h>
47#include <kvm.h>
48#endif /* __OpenBSD */
49
50#include "drw.h"
51#include "util.h"
52#include <X11/XF86keysym.h>
53
54/* macros */
55#define BUTTONMASK (ButtonPressMask|ButtonReleaseMask)
56#define CLEANMASK(mask) (mask & ~(numlockmask|LockMask) & (ShiftMask|ControlMask|Mod1Mask|Mod2Mask|Mod3Mask|Mod4Mask|Mod5Mask))
57#define INTERSECT(x,y,w,h,m) (MAX(0, MIN((x)+(w),(m)->wx+(m)->ww) - MAX((x),(m)->wx)) \
58 * MAX(0, MIN((y)+(h),(m)->wy+(m)->wh) - MAX((y),(m)->wy)))
59#define ISVISIBLE(C) ((C->tags & C->mon->tagset[C->mon->seltags]))
60#define LENGTH(X) (sizeof X / sizeof X[0])
61#define MOUSEMASK (BUTTONMASK|PointerMotionMask)
62#define WIDTH(X) ((X)->w + 2 * (X)->bw)
63#define HEIGHT(X) ((X)->h + 2 * (X)->bw)
64#define TAGMASK ((1 << LENGTH(tags)) - 1)
65#define TEXTW(X) (drw_fontset_getwidth(drw, (X)) + lrpad)
66
67#define SYSTEM_TRAY_REQUEST_DOCK 0
68/* XEMBED messages */
69#define XEMBED_EMBEDDED_NOTIFY 0
70#define XEMBED_WINDOW_ACTIVATE 1
71#define XEMBED_FOCUS_IN 4
72#define XEMBED_MODALITY_ON 10
73#define XEMBED_MAPPED (1 << 0)
74#define XEMBED_WINDOW_ACTIVATE 1
75#define XEMBED_WINDOW_DEACTIVATE 2
76#define VERSION_MAJOR 0
77#define VERSION_MINOR 0
78#define XEMBED_EMBEDDED_VERSION (VERSION_MAJOR << 16) | VERSION_MINOR
79
80/* enums */
81enum { CurNormal, CurResize, CurMove, CurLast }; /* cursor */
82enum { SchemeNorm, SchemeSel }; /* color schemes */
83enum { NetSupported, NetWMName, NetWMState, NetWMCheck,
84 NetSystemTray, NetSystemTrayOP, NetSystemTrayOrientation,
85 NetSystemTrayOrientationHorz,
86 NetWMFullscreen, NetActiveWindow, NetWMWindowType,
87 NetWMWindowTypeDialog, NetClientList, NetLast
88}; /* EWMH atoms */
89enum { Manager, Xembed, XembedInfo, XLast }; /* Xembed atoms */
90enum { WMProtocols, WMDelete, WMState, WMTakeFocus, WMLast }; /* default atoms */
91enum { ClkTagBar, ClkLtSymbol, ClkStatusText, ClkWinTitle,
92 ClkClientWin, ClkRootWin, ClkLast
93}; /* clicks */
94
95typedef union {
96 int i;
97 unsigned int ui;
98 float f;
99 const void *v;
100} Arg;
101
102typedef struct {
103 unsigned int click;
104 unsigned int mask;
105 unsigned int button;
106 void (*func)(const Arg * arg);
107 const Arg arg;
108} Button;
109
110typedef struct Monitor Monitor;
111typedef struct Client Client;
112struct Client {
113 char name[256];
114 float mina, maxa;
115 int x, y, w, h;
116 int oldx, oldy, oldw, oldh;
117 int basew, baseh, incw, inch, maxw, maxh, minw, minh, hintsvalid;
118 int bw, oldbw;
119 unsigned int tags;
120 int isfixed, isfloating, isurgent, neverfocus, oldstate, isfullscreen,
121 isterminal, noswallow;
122 pid_t pid;
123 Client *next;
124 Client *snext;
125 Client *swallowing;
126 Monitor *mon;
127 Window win;
128};
129
130typedef struct {
131 unsigned int mod;
132 KeySym keysym;
133 void (*func)(const Arg *);
134 const Arg arg;
135} Key;
136
137typedef struct {
138 const char *symbol;
139 void (*arrange)(Monitor *);
140} Layout;
141
142struct Monitor {
143 char ltsymbol[16];
144 float mfact;
145 int nmaster;
146 int num;
147 int by; /* bar geometry */
148 int mx, my, mw, mh; /* screen size */
149 int wx, wy, ww, wh; /* window area */
150 int gappih; /* horizontal gap between windows */
151 int gappiv; /* vertical gap between windows */
152 int gappoh; /* horizontal outer gaps */
153 int gappov; /* vertical outer gaps */
154 unsigned int seltags;
155 unsigned int sellt;
156 unsigned int tagset[2];
157 int showbar;
158 int topbar;
159 Client *clients;
160 Client *sel;
161 Client *stack;
162 Monitor *next;
163 Window barwin;
164 const Layout *lt[2];
165};
166
167typedef struct {
168 const char *class;
169 const char *instance;
170 const char *title;
171 unsigned int tags;
172 int isfloating;
173 int isterminal;
174 int noswallow;
175 int monitor;
176} Rule;
177
178typedef struct Systray Systray;
179struct Systray {
180 Window win;
181 Client *icons;
182};
183
184/* function declarations */
185static void applyrules(Client * c);
186static int applysizehints(Client * c, int *x, int *y, int *w, int *h,
187 int interact);
188static void arrange(Monitor * m);
189static void arrangemon(Monitor * m);
190static void attach(Client * c);
191static void attachstack(Client * c);
192static void buttonpress(XEvent * e);
193static void checkotherwm(void);
194static void cleanup(void);
195static void cleanupmon(Monitor * mon);
196static void clientmessage(XEvent * e);
197static void configure(Client * c);
198static void configurenotify(XEvent * e);
199static void configurerequest(XEvent * e);
200static Monitor *createmon(void);
201static void destroynotify(XEvent * e);
202static void detach(Client * c);
203static void detachstack(Client * c);
204static Monitor *dirtomon(int dir);
205static void drawbar(Monitor * m);
206static void drawbars(void);
207static void enternotify(XEvent * e);
208static void expose(XEvent * e);
209static void focus(Client * c);
210static void focusin(XEvent * e);
211static void focusmon(const Arg * arg);
212static void focusstack(const Arg * arg);
213static Atom getatomprop(Client * c, Atom prop);
214static int getrootptr(int *x, int *y);
215static long getstate(Window w);
216static unsigned int getsystraywidth();
217static int gettextprop(Window w, Atom atom, char *text, unsigned int size);
218static void grabbuttons(Client * c, int focused);
219static void grabkeys(void);
220static void incnmaster(const Arg * arg);
221static void keypress(XEvent * e);
222static void killclient(const Arg * arg);
223static void manage(Window w, XWindowAttributes * wa);
224static void mappingnotify(XEvent * e);
225static void maprequest(XEvent * e);
226static void monocle(Monitor * m);
227static void motionnotify(XEvent * e);
228static void movemouse(const Arg * arg);
229static Client *nexttiled(Client * c);
230static void pop(Client * c);
231static void propertynotify(XEvent * e);
232static void quit(const Arg * arg);
233static Monitor *recttomon(int x, int y, int w, int h);
234static void removesystrayicon(Client * i);
235static void resize(Client * c, int x, int y, int w, int h, int interact);
236static void resizebarwin(Monitor * m);
237static void resizeclient(Client * c, int x, int y, int w, int h);
238static void resizemouse(const Arg * arg);
239static void resizerequest(XEvent * e);
240static void restack(Monitor * m);
241static void run(void);
242static void scan(void);
243static int sendevent(Window w, Atom proto, int m, long d0, long d1, long d2,
244 long d3, long d4);
245static void sendmon(Client * c, Monitor * m);
246static void setclientstate(Client * c, long state);
247static void setfocus(Client * c);
248static void setfullscreen(Client * c, int fullscreen);
249static void setgaps(int oh, int ov, int ih, int iv);
250static void incrgaps(const Arg * arg);
251static void incrigaps(const Arg * arg);
252static void incrogaps(const Arg * arg);
253static void incrohgaps(const Arg * arg);
254static void incrovgaps(const Arg * arg);
255static void incrihgaps(const Arg * arg);
256static void incrivgaps(const Arg * arg);
257static void togglegaps(const Arg * arg);
258static void defaultgaps(const Arg * arg);
259static void setlayout(const Arg * arg);
260static void setmfact(const Arg * arg);
261static void setup(void);
262static void seturgent(Client * c, int urg);
263static void showhide(Client * c);
264static void spawn(const Arg * arg);
265static Monitor *systraytomon(Monitor * m);
266static void tag(const Arg * arg);
267static void tagmon(const Arg * arg);
268static void tile(Monitor * m);
269static void togglebar(const Arg * arg);
270static void togglefloating(const Arg * arg);
271static void togglefullscr(const Arg * arg);
272static void toggletag(const Arg * arg);
273static void toggleview(const Arg * arg);
274static void unfocus(Client * c, int setfocus);
275static void unmanage(Client * c, int destroyed);
276static void unmapnotify(XEvent * e);
277static void updatebarpos(Monitor * m);
278static void updatebars(void);
279static void updateclientlist(void);
280static int updategeom(void);
281static void updatenumlockmask(void);
282static void updatesystray(void);
283static void updatesystrayicongeom(Client * i, int w, int h);
284static void updatesystrayiconstate(Client * i, XPropertyEvent * ev);
285static void updatesizehints(Client * c);
286static void updatestatus(void);
287static void updatetitle(Client * c);
288static void updatewindowtype(Client * c);
289static void updatewmhints(Client * c);
290static void view(const Arg * arg);
291static Client *wintoclient(Window w);
292static Monitor *wintomon(Window w);
293static Client *wintosystrayicon(Window w);
294static int xerror(Display * dpy, XErrorEvent * ee);
295static int xerrordummy(Display * dpy, XErrorEvent * ee);
296static int xerrorstart(Display * dpy, XErrorEvent * ee);
297static void zoom(const Arg * arg);
298
299static pid_t getparentprocess(pid_t p);
300static int isdescprocess(pid_t p, pid_t c);
301static Client *swallowingclient(Window w);
302static Client *termforwin(const Client * c);
303static pid_t winpid(Window w);
304
305/* variables */
306static Systray *systray = NULL;
307static const char broken[] = "broken";
308static char stext[256];
309static int screen;
310static int sw, sh; /* X display screen geometry width, height */
311static int bh; /* bar height */
312static int enablegaps = 1; /* enables gaps, used by togglegaps */
313static int lrpad; /* sum of left and right padding for text */
314static int (*xerrorxlib)(Display *, XErrorEvent *);
315static unsigned int numlockmask = 0;
316static void (*handler[LASTEvent])(XEvent *) = {
317 [ButtonPress] = buttonpress,
318 [ClientMessage] = clientmessage,
319 [ConfigureRequest] = configurerequest,
320 [ConfigureNotify] = configurenotify,
321 [DestroyNotify] = destroynotify,
322 [EnterNotify] = enternotify,
323 [Expose] = expose,
324 [FocusIn] = focusin,
325 [KeyPress] = keypress,
326 [MappingNotify] = mappingnotify,
327 [MapRequest] = maprequest,
328 [MotionNotify] = motionnotify,
329 [PropertyNotify] = propertynotify,
330 [ResizeRequest] = resizerequest,
331 [UnmapNotify] = unmapnotify
332};
333
334static Atom wmatom[WMLast], netatom[NetLast], xatom[XLast];
335static int running = 1;
336static Cur *cursor[CurLast];
337static Clr **scheme;
338static Display *dpy;
339static Drw *drw;
340static Monitor *mons, *selmon;
341static Window root, wmcheckwin;
342
343static xcb_connection_t *xcon;
344
345/* configuration, allows nested code to access above variables */
346#include "config.h"
347
348/* compile-time check if all tags fit into an unsigned int bit array. */
349struct NumTags {
350 char limitexceeded[LENGTH(tags) > 31 ? -1 : 1];
351};
352
353/* function implementations */
354void applyrules(Client *c)
355{
356 const char *class, *instance;
357 unsigned int i;
358 const Rule *r;
359 Monitor *m;
360 XClassHint ch = { NULL, NULL };
361
362 /* rule matching */
363 c->isfloating = 0;
364 c->tags = 0;
365 XGetClassHint(dpy, c->win, &ch);
366 class = ch.res_class ? ch.res_class : broken;
367 instance = ch.res_name ? ch.res_name : broken;
368
369 for (i = 0; i < LENGTH(rules); i++) {
370 r = &rules[i];
371 if ((!r->title || strstr(c->name, r->title))
372 && (!r->class || strstr(class, r->class))
373 && (!r->instance || strstr(instance, r->instance))) {
374 c->isterminal = r->isterminal;
375 c->noswallow = r->noswallow;
376 c->isfloating = r->isfloating;
377 c->tags |= r->tags;
378 for (m = mons; m && m->num != r->monitor; m = m->next) ;
379 if (m)
380 c->mon = m;
381 }
382 }
383 if (ch.res_class)
384 XFree(ch.res_class);
385 if (ch.res_name)
386 XFree(ch.res_name);
387 c->tags =
388 c->tags & TAGMASK ? c->tags & TAGMASK : c->mon->tagset[c->mon->
389 seltags];
390}
391
392int applysizehints(Client *c, int *x, int *y, int *w, int *h, int interact)
393{
394 int baseismin;
395 Monitor *m = c->mon;
396
397 /* set minimum possible */
398 *w = MAX(1, *w);
399 *h = MAX(1, *h);
400 if (interact) {
401 if (*x > sw)
402 *x = sw - WIDTH(c);
403 if (*y > sh)
404 *y = sh - HEIGHT(c);
405 if (*x + *w + 2 * c->bw < 0)
406 *x = 0;
407 if (*y + *h + 2 * c->bw < 0)
408 *y = 0;
409 } else {
410 if (*x >= m->wx + m->ww)
411 *x = m->wx + m->ww - WIDTH(c);
412 if (*y >= m->wy + m->wh)
413 *y = m->wy + m->wh - HEIGHT(c);
414 if (*x + *w + 2 * c->bw <= m->wx)
415 *x = m->wx;
416 if (*y + *h + 2 * c->bw <= m->wy)
417 *y = m->wy;
418 }
419 if (*h < bh)
420 *h = bh;
421 if (*w < bh)
422 *w = bh;
423 if (resizehints || c->isfloating || !c->mon->lt[c->mon->sellt]->arrange) {
424 if (!c->hintsvalid)
425 updatesizehints(c);
426 /* see last two sentences in ICCCM 4.1.2.3 */
427 baseismin = c->basew == c->minw && c->baseh == c->minh;
428 if (!baseismin) { /* temporarily remove base dimensions */
429 *w -= c->basew;
430 *h -= c->baseh;
431 }
432 /* adjust for aspect limits */
433 if (c->mina > 0 && c->maxa > 0) {
434 if (c->maxa < (float)*w / *h)
435 *w = *h * c->maxa + 0.5;
436 else if (c->mina < (float)*h / *w)
437 *h = *w * c->mina + 0.5;
438 }
439 if (baseismin) { /* increment calculation requires this */
440 *w -= c->basew;
441 *h -= c->baseh;
442 }
443 /* adjust for increment value */
444 if (c->incw)
445 *w -= *w % c->incw;
446 if (c->inch)
447 *h -= *h % c->inch;
448 /* restore base dimensions */
449 *w = MAX(*w + c->basew, c->minw);
450 *h = MAX(*h + c->baseh, c->minh);
451 if (c->maxw)
452 *w = MIN(*w, c->maxw);
453 if (c->maxh)
454 *h = MIN(*h, c->maxh);
455 }
456 return *x != c->x || *y != c->y || *w != c->w || *h != c->h;
457}
458
459void arrange(Monitor *m)
460{
461 if (m)
462 showhide(m->stack);
463 else
464 for (m = mons; m; m = m->next)
465 showhide(m->stack);
466 if (m) {
467 arrangemon(m);
468 restack(m);
469 } else
470 for (m = mons; m; m = m->next)
471 arrangemon(m);
472}
473
474void arrangemon(Monitor *m)
475{
476 strncpy(m->ltsymbol, m->lt[m->sellt]->symbol, sizeof m->ltsymbol);
477 if (m->lt[m->sellt]->arrange)
478 m->lt[m->sellt]->arrange(m);
479}
480
481void attach(Client *c)
482{
483 c->next = c->mon->clients;
484 c->mon->clients = c;
485}
486
487void attachstack(Client *c)
488{
489 c->snext = c->mon->stack;
490 c->mon->stack = c;
491}
492
493void swallow(Client *p, Client *c)
494{
495
496 if (c->noswallow || c->isterminal)
497 return;
498 if (c->noswallow && !swallowfloating && c->isfloating)
499 return;
500
501 detach(c);
502 detachstack(c);
503
504 setclientstate(c, WithdrawnState);
505 XUnmapWindow(dpy, p->win);
506
507 p->swallowing = c;
508 c->mon = p->mon;
509
510 Window w = p->win;
511 p->win = c->win;
512 c->win = w;
513 updatetitle(p);
514 XMoveResizeWindow(dpy, p->win, p->x, p->y, p->w, p->h);
515 arrange(p->mon);
516 configure(p);
517 updateclientlist();
518}
519
520void unswallow(Client *c)
521{
522 c->win = c->swallowing->win;
523
524 free(c->swallowing);
525 c->swallowing = NULL;
526
527 /* unfullscreen the client */
528 setfullscreen(c, 0);
529 updatetitle(c);
530 arrange(c->mon);
531 XMapWindow(dpy, c->win);
532 XMoveResizeWindow(dpy, c->win, c->x, c->y, c->w, c->h);
533 setclientstate(c, NormalState);
534 focus(NULL);
535 arrange(c->mon);
536}
537
538void buttonpress(XEvent *e)
539{
540 unsigned int i, x, click;
541 Arg arg = { 0 };
542 Client *c;
543 Monitor *m;
544 XButtonPressedEvent *ev = &e->xbutton;
545
546 click = ClkRootWin;
547 /* focus monitor if necessary */
548 if ((m = wintomon(ev->window)) && m != selmon) {
549 unfocus(selmon->sel, 1);
550 selmon = m;
551 focus(NULL);
552 }
553 if (ev->window == selmon->barwin) {
554 i = x = 0;
555 unsigned int occ = 0;
556 for(c = m->clients; c; c=c->next)
557 occ |= c->tags;
558 do {
559 /* Do not reserve space for vacant tags */
560 if (!(occ & 1 << i || m->tagset[m->seltags] & 1 << i))
561 continue;
562 x += TEXTW(tags[i]);
563 } while (ev->x >= x && ++i < LENGTH(tags));
564 if (i < LENGTH(tags)) {
565 click = ClkTagBar;
566 arg.ui = 1 << i;
567 } else if (ev->x < x + TEXTW(selmon->ltsymbol))
568 click = ClkLtSymbol;
569 else if (ev->x >
570 selmon->ww - (int)TEXTW(stext) - getsystraywidth())
571 click = ClkStatusText;
572 else
573 click = ClkWinTitle;
574 } else if ((c = wintoclient(ev->window))) {
575 focus(c);
576 restack(selmon);
577 XAllowEvents(dpy, ReplayPointer, CurrentTime);
578 click = ClkClientWin;
579 }
580 for (i = 0; i < LENGTH(buttons); i++)
581 if (click == buttons[i].click && buttons[i].func
582 && buttons[i].button == ev->button
583 && CLEANMASK(buttons[i].mask) == CLEANMASK(ev->state))
584 buttons[i].func(click == ClkTagBar
585 && buttons[i].arg.i ==
586 0 ? &arg : &buttons[i].arg);
587}
588
589void checkotherwm(void)
590{
591 xerrorxlib = XSetErrorHandler(xerrorstart);
592 /* this causes an error if some other window manager is running */
593 XSelectInput(dpy, DefaultRootWindow(dpy), SubstructureRedirectMask);
594 XSync(dpy, False);
595 XSetErrorHandler(xerror);
596 XSync(dpy, False);
597}
598
599void cleanup(void)
600{
601 Arg a = {.ui = ~0 };
602 Layout foo = { "", NULL };
603 Monitor *m;
604 size_t i;
605
606 view(&a);
607 selmon->lt[selmon->sellt] = &foo;
608 for (m = mons; m; m = m->next)
609 while (m->stack)
610 unmanage(m->stack, 0);
611 XUngrabKey(dpy, AnyKey, AnyModifier, root);
612 while (mons)
613 cleanupmon(mons);
614
615 if (showsystray) {
616 XUnmapWindow(dpy, systray->win);
617 XDestroyWindow(dpy, systray->win);
618 free(systray);
619 }
620
621 for (i = 0; i < CurLast; i++)
622 drw_cur_free(drw, cursor[i]);
623 for (i = 0; i < LENGTH(colors); i++)
624 free(scheme[i]);
625 free(scheme);
626 XDestroyWindow(dpy, wmcheckwin);
627 drw_free(drw);
628 XSync(dpy, False);
629 XSetInputFocus(dpy, PointerRoot, RevertToPointerRoot, CurrentTime);
630 XDeleteProperty(dpy, root, netatom[NetActiveWindow]);
631}
632
633void cleanupmon(Monitor *mon)
634{
635 Monitor *m;
636
637 if (mon == mons)
638 mons = mons->next;
639 else {
640 for (m = mons; m && m->next != mon; m = m->next) ;
641 m->next = mon->next;
642 }
643 XUnmapWindow(dpy, mon->barwin);
644 XDestroyWindow(dpy, mon->barwin);
645 free(mon);
646}
647
648void clientmessage(XEvent *e)
649{
650 XWindowAttributes wa;
651 XSetWindowAttributes swa;
652 XClientMessageEvent *cme = &e->xclient;
653 Client *c = wintoclient(cme->window);
654
655 if (showsystray && cme->window == systray->win
656 && cme->message_type == netatom[NetSystemTrayOP]) {
657 /* add systray icons */
658 if (cme->data.l[1] == SYSTEM_TRAY_REQUEST_DOCK) {
659 if (!(c = (Client *) calloc(1, sizeof(Client))))
660 die("fatal: could not malloc() %u bytes\n",
661 sizeof(Client));
662 if (!(c->win = cme->data.l[2])) {
663 free(c);
664 return;
665 }
666 c->mon = selmon;
667 c->next = systray->icons;
668 systray->icons = c;
669 if (!XGetWindowAttributes(dpy, c->win, &wa)) {
670 /* use sane defaults */
671 wa.width = bh;
672 wa.height = bh;
673 wa.border_width = 0;
674 }
675 c->x = c->oldx = c->y = c->oldy = 0;
676 c->w = c->oldw = wa.width;
677 c->h = c->oldh = wa.height;
678 c->oldbw = wa.border_width;
679 c->bw = 0;
680 c->isfloating = True;
681 /* reuse tags field as mapped status */
682 c->tags = 1;
683 updatesizehints(c);
684 updatesystrayicongeom(c, wa.width, wa.height);
685 XAddToSaveSet(dpy, c->win);
686 XSelectInput(dpy, c->win,
687 StructureNotifyMask | PropertyChangeMask |
688 ResizeRedirectMask);
689 XReparentWindow(dpy, c->win, systray->win, 0, 0);
690 /* use parents background color */
691 swa.background_pixel = scheme[SchemeNorm][ColBg].pixel;
692 XChangeWindowAttributes(dpy, c->win, CWBackPixel, &swa);
693 sendevent(c->win, netatom[Xembed], StructureNotifyMask,
694 CurrentTime, XEMBED_EMBEDDED_NOTIFY, 0,
695 systray->win, XEMBED_EMBEDDED_VERSION);
696 /* FIXME not sure if I have to send these events, too */
697 sendevent(c->win, netatom[Xembed], StructureNotifyMask,
698 CurrentTime, XEMBED_FOCUS_IN, 0, systray->win,
699 XEMBED_EMBEDDED_VERSION);
700 sendevent(c->win, netatom[Xembed], StructureNotifyMask,
701 CurrentTime, XEMBED_WINDOW_ACTIVATE, 0,
702 systray->win, XEMBED_EMBEDDED_VERSION);
703 sendevent(c->win, netatom[Xembed], StructureNotifyMask,
704 CurrentTime, XEMBED_MODALITY_ON, 0,
705 systray->win, XEMBED_EMBEDDED_VERSION);
706 XSync(dpy, False);
707 resizebarwin(selmon);
708 updatesystray();
709 setclientstate(c, NormalState);
710 }
711 return;
712 }
713
714 if (!c)
715 return;
716 if (cme->message_type == netatom[NetWMState]) {
717 if (cme->data.l[1] == netatom[NetWMFullscreen]
718 || cme->data.l[2] == netatom[NetWMFullscreen])
719 setfullscreen(c, (cme->data.l[0] == 1 /* _NET_WM_STATE_ADD */
720 || (cme->data.l[0] ==
721 2 /* _NET_WM_STATE_TOGGLE */
722 && !c->isfullscreen)));
723 } else if (cme->message_type == netatom[NetActiveWindow]) {
724 if (c != selmon->sel && !c->isurgent)
725 seturgent(c, 1);
726 }
727}
728
729void configure(Client *c)
730{
731 XConfigureEvent ce;
732
733 ce.type = ConfigureNotify;
734 ce.display = dpy;
735 ce.event = c->win;
736 ce.window = c->win;
737 ce.x = c->x;
738 ce.y = c->y;
739 ce.width = c->w;
740 ce.height = c->h;
741 ce.border_width = c->bw;
742 ce.above = None;
743 ce.override_redirect = False;
744 XSendEvent(dpy, c->win, False, StructureNotifyMask, (XEvent *) & ce);
745}
746
747void configurenotify(XEvent *e)
748{
749 Monitor *m;
750 Client *c;
751 XConfigureEvent *ev = &e->xconfigure;
752 int dirty;
753
754 /* TODO: updategeom handling sucks, needs to be simplified */
755 if (ev->window == root) {
756 dirty = (sw != ev->width || sh != ev->height);
757 sw = ev->width;
758 sh = ev->height;
759 if (updategeom() || dirty) {
760 drw_resize(drw, sw, bh);
761 updatebars();
762 for (m = mons; m; m = m->next) {
763 for (c = m->clients; c; c = c->next)
764 if (c->isfullscreen)
765 resizeclient(c, m->mx, m->my,
766 m->mw, m->mh);
767 resizebarwin(m);
768 }
769 focus(NULL);
770 arrange(NULL);
771 }
772 }
773}
774
775void configurerequest(XEvent *e)
776{
777 Client *c;
778 Monitor *m;
779 XConfigureRequestEvent *ev = &e->xconfigurerequest;
780 XWindowChanges wc;
781
782 if ((c = wintoclient(ev->window))) {
783 if (ev->value_mask & CWBorderWidth)
784 c->bw = ev->border_width;
785 else if (c->isfloating || !selmon->lt[selmon->sellt]->arrange) {
786 m = c->mon;
787 if (ev->value_mask & CWX) {
788 c->oldx = c->x;
789 c->x = m->mx + ev->x;
790 }
791 if (ev->value_mask & CWY) {
792 c->oldy = c->y;
793 c->y = m->my + ev->y;
794 }
795 if (ev->value_mask & CWWidth) {
796 c->oldw = c->w;
797 c->w = ev->width;
798 }
799 if (ev->value_mask & CWHeight) {
800 c->oldh = c->h;
801 c->h = ev->height;
802 }
803 if ((c->x + c->w) > m->mx + m->mw && c->isfloating)
804 c->x = m->mx + (m->mw / 2 - WIDTH(c) / 2); /* center in x direction */
805 if ((c->y + c->h) > m->my + m->mh && c->isfloating)
806 c->y = m->my + (m->mh / 2 - HEIGHT(c) / 2); /* center in y direction */
807 if ((ev->value_mask & (CWX | CWY))
808 && !(ev->value_mask & (CWWidth | CWHeight)))
809 configure(c);
810 if (ISVISIBLE(c))
811 XMoveResizeWindow(dpy, c->win, c->x, c->y, c->w,
812 c->h);
813 } else
814 configure(c);
815 } else {
816 wc.x = ev->x;
817 wc.y = ev->y;
818 wc.width = ev->width;
819 wc.height = ev->height;
820 wc.border_width = ev->border_width;
821 wc.sibling = ev->above;
822 wc.stack_mode = ev->detail;
823 XConfigureWindow(dpy, ev->window, ev->value_mask, &wc);
824 }
825 XSync(dpy, False);
826}
827
828Monitor *createmon(void)
829{
830 Monitor *m;
831
832 m = ecalloc(1, sizeof(Monitor));
833 m->tagset[0] = m->tagset[1] = 1;
834 m->mfact = mfact;
835 m->nmaster = nmaster;
836 m->showbar = showbar;
837 m->topbar = topbar;
838 m->gappih = gappih;
839 m->gappiv = gappiv;
840 m->gappoh = gappoh;
841 m->gappov = gappov;
842 m->lt[0] = &layouts[0];
843 m->lt[1] = &layouts[1 % LENGTH(layouts)];
844 strncpy(m->ltsymbol, layouts[0].symbol, sizeof m->ltsymbol);
845 return m;
846}
847
848void destroynotify(XEvent *e)
849{
850 Client *c;
851 XDestroyWindowEvent *ev = &e->xdestroywindow;
852
853 if ((c = wintoclient(ev->window)))
854 unmanage(c, 1);
855 else if ((c = wintosystrayicon(ev->window))) {
856 removesystrayicon(c);
857 resizebarwin(selmon);
858 updatesystray();
859 } else if ((c = swallowingclient(ev->window)))
860 unmanage(c->swallowing, 1);
861}
862
863void detach(Client *c)
864{
865 Client **tc;
866
867 for (tc = &c->mon->clients; *tc && *tc != c; tc = &(*tc)->next) ;
868 *tc = c->next;
869}
870
871void detachstack(Client *c)
872{
873 Client **tc, *t;
874
875 for (tc = &c->mon->stack; *tc && *tc != c; tc = &(*tc)->snext) ;
876 *tc = c->snext;
877
878 if (c == c->mon->sel) {
879 for (t = c->mon->stack; t && !ISVISIBLE(t); t = t->snext) ;
880 c->mon->sel = t;
881 }
882}
883
884Monitor *dirtomon(int dir)
885{
886 Monitor *m = NULL;
887
888 if (dir > 0) {
889 if (!(m = selmon->next))
890 m = mons;
891 } else if (selmon == mons)
892 for (m = mons; m->next; m = m->next) ;
893 else
894 for (m = mons; m->next != selmon; m = m->next) ;
895 return m;
896}
897
898void drawbar(Monitor *m)
899{
900 int x, w, tw = 0, stw = 0;
901 int boxs = drw->fonts->h / 9;
902 int boxw = drw->fonts->h / 6 + 2;
903 unsigned int i, occ = 0, urg = 0;
904 Client *c;
905
906 if (!m->showbar)
907 return;
908
909 if (showsystray && m == systraytomon(m) && !systrayonleft)
910 stw = getsystraywidth();
911
912 /* draw status first so it can be overdrawn by tags later */
913 if (m == selmon) { /* status is only drawn on selected monitor */
914 drw_setscheme(drw, scheme[SchemeNorm]);
915 tw = TEXTW(stext) - lrpad / 2 + 2; /* 2px extra right padding */
916 drw_text(drw, m->ww - tw - stw, 0, tw, bh, lrpad / 2 - 2, stext,
917 0);
918 }
919
920 resizebarwin(m);
921 for (c = m->clients; c; c = c->next) {
922 occ |= c->tags;
923 if (c->isurgent)
924 urg |= c->tags;
925 }
926 x = 0;
927 for (i = 0; i < LENGTH(tags); i++) {
928 /* Do not draw vacant tags */
929 if(!(occ & 1 << i || m->tagset[m->seltags] & 1 << i))
930 continue;
931 w = TEXTW(tags[i]);
932 drw_setscheme(drw,
933 scheme[m->
934 tagset[m->
935 seltags] & 1 << i ? SchemeSel :
936 SchemeNorm]);
937 drw_text(drw, x, 0, w, bh, lrpad / 2, tags[i], urg & 1 << i);
938 if (occ & 1 << i)
939 drw_rect(drw, x + boxs, boxs, boxw, boxw,
940 m == selmon && selmon->sel
941 && selmon->sel->tags & 1 << i, urg & 1 << i);
942 x += w;
943 }
944 w = TEXTW(m->ltsymbol);
945 drw_setscheme(drw, scheme[SchemeNorm]);
946 x = drw_text(drw, x, 0, w, bh, lrpad / 2, m->ltsymbol, 0);
947
948 if ((w = m->ww - tw - stw - x) > bh) {
949 if (m->sel) {
950 drw_setscheme(drw,
951 scheme[m ==
952 selmon ? SchemeSel : SchemeNorm]);
953 drw_text(drw, x, 0, w, bh, lrpad / 2, m->sel->name, 0);
954 if (m->sel->isfloating)
955 drw_rect(drw, x + boxs, boxs, boxw, boxw,
956 m->sel->isfixed, 0);
957 } else {
958 drw_setscheme(drw, scheme[SchemeNorm]);
959 drw_rect(drw, x, 0, w, bh, 1, 1);
960 }
961 }
962 drw_map(drw, m->barwin, 0, 0, m->ww - stw, bh);
963}
964
965void drawbars(void)
966{
967 Monitor *m;
968
969 for (m = mons; m; m = m->next)
970 drawbar(m);
971}
972
973void enternotify(XEvent *e)
974{
975 Client *c;
976 Monitor *m;
977 XCrossingEvent *ev = &e->xcrossing;
978
979 if ((ev->mode != NotifyNormal || ev->detail == NotifyInferior)
980 && ev->window != root)
981 return;
982 c = wintoclient(ev->window);
983 m = c ? c->mon : wintomon(ev->window);
984 if (m != selmon) {
985 unfocus(selmon->sel, 1);
986 selmon = m;
987 } else if (!c || c == selmon->sel)
988 return;
989 focus(c);
990}
991
992void expose(XEvent *e)
993{
994 Monitor *m;
995 XExposeEvent *ev = &e->xexpose;
996
997 if (ev->count == 0 && (m = wintomon(ev->window))) {
998 drawbar(m);
999 if (m == selmon)
1000 updatesystray();
1001 }
1002}
1003
1004void focus(Client *c)
1005{
1006 if (!c || !ISVISIBLE(c))
1007 for (c = selmon->stack; c && !ISVISIBLE(c); c = c->snext) ;
1008 if (selmon->sel && selmon->sel != c)
1009 unfocus(selmon->sel, 0);
1010 if (c) {
1011 if (c->mon != selmon)
1012 selmon = c->mon;
1013 if (c->isurgent)
1014 seturgent(c, 0);
1015 detachstack(c);
1016 attachstack(c);
1017 grabbuttons(c, 1);
1018 XSetWindowBorder(dpy, c->win,
1019 scheme[SchemeSel][ColBorder].pixel);
1020 setfocus(c);
1021 } else {
1022 XSetInputFocus(dpy, root, RevertToPointerRoot, CurrentTime);
1023 XDeleteProperty(dpy, root, netatom[NetActiveWindow]);
1024 }
1025 selmon->sel = c;
1026 drawbars();
1027}
1028
1029/* there are some broken focus acquiring clients needing extra handling */
1030void focusin(XEvent *e)
1031{
1032 XFocusChangeEvent *ev = &e->xfocus;
1033
1034 if (selmon->sel && ev->window != selmon->sel->win)
1035 setfocus(selmon->sel);
1036}
1037
1038void focusmon(const Arg *arg)
1039{
1040 Monitor *m;
1041
1042 if (!mons->next)
1043 return;
1044 if ((m = dirtomon(arg->i)) == selmon)
1045 return;
1046 unfocus(selmon->sel, 0);
1047 selmon = m;
1048 focus(NULL);
1049}
1050
1051void focusstack(const Arg *arg)
1052{
1053 Client *c = NULL, *i;
1054
1055 if (!selmon->sel || (selmon->sel->isfullscreen && lockfullscreen))
1056 return;
1057 if (arg->i > 0) {
1058 for (c = selmon->sel->next; c && !ISVISIBLE(c); c = c->next) ;
1059 if (!c)
1060 for (c = selmon->clients; c && !ISVISIBLE(c);
1061 c = c->next) ;
1062 } else {
1063 for (i = selmon->clients; i != selmon->sel; i = i->next)
1064 if (ISVISIBLE(i))
1065 c = i;
1066 if (!c)
1067 for (; i; i = i->next)
1068 if (ISVISIBLE(i))
1069 c = i;
1070 }
1071 if (c) {
1072 focus(c);
1073 restack(selmon);
1074 }
1075}
1076
1077Atom getatomprop(Client *c, Atom prop)
1078{
1079 int di;
1080 unsigned long dl;
1081 unsigned char *p = NULL;
1082 Atom da, atom = None;
1083
1084 /* FIXME getatomprop should return the number of items and a pointer to
1085 * the stored data instead of this workaround */
1086 Atom req = XA_ATOM;
1087 if (prop == xatom[XembedInfo])
1088 req = xatom[XembedInfo];
1089
1090 if (XGetWindowProperty(dpy, c->win, prop, 0L, sizeof atom, False, req,
1091 &da, &di, &dl, &dl, &p) == Success && p) {
1092 atom = *(Atom *) p;
1093 if (da == xatom[XembedInfo] && dl == 2)
1094 atom = ((Atom *) p)[1];
1095 XFree(p);
1096 }
1097 return atom;
1098}
1099
1100unsigned int getsystraywidth()
1101{
1102 unsigned int w = 0;
1103 Client *i;
1104 if (showsystray)
1105 for (i = systray->icons; i;
1106 w += i->w + systrayspacing, i = i->next) ;
1107 return w ? w + systrayspacing : 1;
1108}
1109
1110int getrootptr(int *x, int *y)
1111{
1112 int di;
1113 unsigned int dui;
1114 Window dummy;
1115
1116 return XQueryPointer(dpy, root, &dummy, &dummy, x, y, &di, &di, &dui);
1117}
1118
1119long getstate(Window w)
1120{
1121 int format;
1122 long result = -1;
1123 unsigned char *p = NULL;
1124 unsigned long n, extra;
1125 Atom real;
1126
1127 if (XGetWindowProperty
1128 (dpy, w, wmatom[WMState], 0L, 2L, False, wmatom[WMState], &real,
1129 &format, &n, &extra, (unsigned char **)&p) != Success)
1130 return -1;
1131 if (n != 0)
1132 result = *p;
1133 XFree(p);
1134 return result;
1135}
1136
1137int gettextprop(Window w, Atom atom, char *text, unsigned int size)
1138{
1139 char **list = NULL;
1140 int n;
1141 XTextProperty name;
1142
1143 if (!text || size == 0)
1144 return 0;
1145 text[0] = '\0';
1146 if (!XGetTextProperty(dpy, w, &name, atom) || !name.nitems)
1147 return 0;
1148 if (name.encoding == XA_STRING) {
1149 strncpy(text, (char *)name.value, size - 1);
1150 } else if (XmbTextPropertyToTextList(dpy, &name, &list, &n) >= Success
1151 && n > 0 && *list) {
1152 strncpy(text, *list, size - 1);
1153 XFreeStringList(list);
1154 }
1155 text[size - 1] = '\0';
1156 XFree(name.value);
1157 return 1;
1158}
1159
1160void grabbuttons(Client *c, int focused)
1161{
1162 updatenumlockmask();
1163 {
1164 unsigned int i, j;
1165 unsigned int modifiers[] =
1166 { 0, LockMask, numlockmask, numlockmask | LockMask };
1167 XUngrabButton(dpy, AnyButton, AnyModifier, c->win);
1168 if (!focused)
1169 XGrabButton(dpy, AnyButton, AnyModifier, c->win, False,
1170 BUTTONMASK, GrabModeSync, GrabModeSync,
1171 None, None);
1172 for (i = 0; i < LENGTH(buttons); i++)
1173 if (buttons[i].click == ClkClientWin)
1174 for (j = 0; j < LENGTH(modifiers); j++)
1175 XGrabButton(dpy, buttons[i].button,
1176 buttons[i].
1177 mask | modifiers[j], c->win,
1178 False, BUTTONMASK,
1179 GrabModeAsync, GrabModeSync,
1180 None, None);
1181 }
1182}
1183
1184void grabkeys(void)
1185{
1186 updatenumlockmask();
1187 {
1188 unsigned int i, j, k;
1189 unsigned int modifiers[] =
1190 { 0, LockMask, numlockmask, numlockmask | LockMask };
1191 int start, end, skip;
1192 KeySym *syms;
1193
1194 XUngrabKey(dpy, AnyKey, AnyModifier, root);
1195 XDisplayKeycodes(dpy, &start, &end);
1196 syms = XGetKeyboardMapping(dpy, start, end - start + 1, &skip);
1197 if (!syms)
1198 return;
1199 for (k = start; k <= end; k++)
1200 for (i = 0; i < LENGTH(keys); i++)
1201 /* skip modifier codes, we do that ourselves */
1202 if (keys[i].keysym == syms[(k - start) * skip])
1203 for (j = 0; j < LENGTH(modifiers); j++)
1204 XGrabKey(dpy, k,
1205 keys[i].
1206 mod | modifiers[j],
1207 root, True,
1208 GrabModeAsync,
1209 GrabModeAsync);
1210 XFree(syms);
1211 }
1212}
1213
1214void incnmaster(const Arg *arg)
1215{
1216 selmon->nmaster = MAX(selmon->nmaster + arg->i, 0);
1217 arrange(selmon);
1218}
1219
1220#ifdef XINERAMA
1221static int
1222isuniquegeom(XineramaScreenInfo *unique, size_t n, XineramaScreenInfo *info)
1223{
1224 while (n--)
1225 if (unique[n].x_org == info->x_org
1226 && unique[n].y_org == info->y_org
1227 && unique[n].width == info->width
1228 && unique[n].height == info->height)
1229 return 0;
1230 return 1;
1231}
1232#endif /* XINERAMA */
1233
1234void keypress(XEvent *e)
1235{
1236 unsigned int i;
1237 KeySym keysym;
1238 XKeyEvent *ev;
1239
1240 ev = &e->xkey;
1241 keysym = XKeycodeToKeysym(dpy, (KeyCode) ev->keycode, 0);
1242 for (i = 0; i < LENGTH(keys); i++)
1243 if (keysym == keys[i].keysym
1244 && CLEANMASK(keys[i].mod) == CLEANMASK(ev->state)
1245 && keys[i].func)
1246 keys[i].func(&(keys[i].arg));
1247}
1248
1249void killclient(const Arg *arg)
1250{
1251 if (!selmon->sel)
1252 return;
1253
1254 if (!sendevent
1255 (selmon->sel->win, wmatom[WMDelete], NoEventMask, wmatom[WMDelete],
1256 CurrentTime, 0, 0, 0)) {
1257 XGrabServer(dpy);
1258 XSetErrorHandler(xerrordummy);
1259 XSetCloseDownMode(dpy, DestroyAll);
1260 XKillClient(dpy, selmon->sel->win);
1261 XSync(dpy, False);
1262 XSetErrorHandler(xerror);
1263 XUngrabServer(dpy);
1264 }
1265}
1266
1267void manage(Window w, XWindowAttributes *wa)
1268{
1269 Client *c, *t = NULL, *term = NULL;
1270 Window trans = None;
1271 XWindowChanges wc;
1272
1273 c = ecalloc(1, sizeof(Client));
1274 c->win = w;
1275 c->pid = winpid(w);
1276 /* geometry */
1277 c->x = c->oldx = wa->x;
1278 c->y = c->oldy = wa->y;
1279 c->w = c->oldw = wa->width;
1280 c->h = c->oldh = wa->height;
1281 c->oldbw = wa->border_width;
1282
1283 updatetitle(c);
1284 if (XGetTransientForHint(dpy, w, &trans) && (t = wintoclient(trans))) {
1285 c->mon = t->mon;
1286 c->tags = t->tags;
1287 } else {
1288 c->mon = selmon;
1289 applyrules(c);
1290 term = termforwin(c);
1291 }
1292
1293 if (c->x + WIDTH(c) > c->mon->wx + c->mon->ww)
1294 c->x = c->mon->wx + c->mon->ww - WIDTH(c);
1295 if (c->y + HEIGHT(c) > c->mon->wy + c->mon->wh)
1296 c->y = c->mon->wy + c->mon->wh - HEIGHT(c);
1297 c->x = MAX(c->x, c->mon->wx);
1298 c->y = MAX(c->y, c->mon->wy);
1299 c->bw = borderpx;
1300
1301 wc.border_width = c->bw;
1302 XConfigureWindow(dpy, w, CWBorderWidth, &wc);
1303 XSetWindowBorder(dpy, w, scheme[SchemeNorm][ColBorder].pixel);
1304 configure(c); /* propagates border_width, if size doesn't change */
1305 updatewindowtype(c);
1306 updatesizehints(c);
1307 updatewmhints(c);
1308 XSelectInput(dpy, w,
1309 EnterWindowMask | FocusChangeMask | PropertyChangeMask |
1310 StructureNotifyMask);
1311 grabbuttons(c, 0);
1312 if (!c->isfloating)
1313 c->isfloating = c->oldstate = trans != None || c->isfixed;
1314 if (c->isfloating)
1315 XRaiseWindow(dpy, c->win);
1316 attach(c);
1317 attachstack(c);
1318 XChangeProperty(dpy, root, netatom[NetClientList], XA_WINDOW, 32,
1319 PropModeAppend, (unsigned char *)&(c->win), 1);
1320 XMoveResizeWindow(dpy, c->win, c->x + 2 * sw, c->y, c->w, c->h); /* some windows require this */
1321 setclientstate(c, NormalState);
1322 if (c->mon == selmon)
1323 unfocus(selmon->sel, 0);
1324 c->mon->sel = c;
1325 arrange(c->mon);
1326 XMapWindow(dpy, c->win);
1327 if (term)
1328 swallow(term, c);
1329 focus(NULL);
1330}
1331
1332void mappingnotify(XEvent *e)
1333{
1334 XMappingEvent *ev = &e->xmapping;
1335
1336 XRefreshKeyboardMapping(ev);
1337 if (ev->request == MappingKeyboard)
1338 grabkeys();
1339}
1340
1341void maprequest(XEvent *e)
1342{
1343 static XWindowAttributes wa;
1344 XMapRequestEvent *ev = &e->xmaprequest;
1345
1346 Client *i;
1347 if ((i = wintosystrayicon(ev->window))) {
1348 sendevent(i->win, netatom[Xembed], StructureNotifyMask,
1349 CurrentTime, XEMBED_WINDOW_ACTIVATE, 0, systray->win,
1350 XEMBED_EMBEDDED_VERSION);
1351 resizebarwin(selmon);
1352 updatesystray();
1353 }
1354
1355 if (!XGetWindowAttributes(dpy, ev->window, &wa) || wa.override_redirect)
1356 return;
1357 if (!wintoclient(ev->window))
1358 manage(ev->window, &wa);
1359}
1360
1361void monocle(Monitor *m)
1362{
1363 unsigned int n = 0;
1364 Client *c;
1365
1366 for (c = m->clients; c; c = c->next)
1367 if (ISVISIBLE(c))
1368 n++;
1369 if (n > 0) /* override layout symbol */
1370 snprintf(m->ltsymbol, sizeof m->ltsymbol, "[%d]", n);
1371 for (c = nexttiled(m->clients); c; c = nexttiled(c->next))
1372 resize(c, m->wx, m->wy, m->ww - 2 * c->bw, m->wh - 2 * c->bw,
1373 0);
1374}
1375
1376void motionnotify(XEvent *e)
1377{
1378 static Monitor *mon = NULL;
1379 Monitor *m;
1380 XMotionEvent *ev = &e->xmotion;
1381
1382 if (ev->window != root)
1383 return;
1384 if ((m = recttomon(ev->x_root, ev->y_root, 1, 1)) != mon && mon) {
1385 unfocus(selmon->sel, 1);
1386 selmon = m;
1387 focus(NULL);
1388 }
1389 mon = m;
1390}
1391
1392void movemouse(const Arg *arg)
1393{
1394 int x, y, ocx, ocy, nx, ny;
1395 Client *c;
1396 Monitor *m;
1397 XEvent ev;
1398 Time lasttime = 0;
1399
1400 if (!(c = selmon->sel))
1401 return;
1402 if (c->isfullscreen) /* no support moving fullscreen windows by mouse */
1403 return;
1404 restack(selmon);
1405 ocx = c->x;
1406 ocy = c->y;
1407 if (XGrabPointer
1408 (dpy, root, False, MOUSEMASK, GrabModeAsync, GrabModeAsync, None,
1409 cursor[CurMove]->cursor, CurrentTime) != GrabSuccess)
1410 return;
1411 if (!getrootptr(&x, &y))
1412 return;
1413 do {
1414 XMaskEvent(dpy,
1415 MOUSEMASK | ExposureMask | SubstructureRedirectMask,
1416 &ev);
1417 switch (ev.type) {
1418 case ConfigureRequest:
1419 case Expose:
1420 case MapRequest:
1421 handler[ev.type] (&ev);
1422 break;
1423 case MotionNotify:
1424 if ((ev.xmotion.time - lasttime) <= (1000 / 60))
1425 continue;
1426 lasttime = ev.xmotion.time;
1427
1428 nx = ocx + (ev.xmotion.x - x);
1429 ny = ocy + (ev.xmotion.y - y);
1430 if (abs(selmon->wx - nx) < snap)
1431 nx = selmon->wx;
1432 else if (abs
1433 ((selmon->wx + selmon->ww) - (nx + WIDTH(c))) <
1434 snap)
1435 nx = selmon->wx + selmon->ww - WIDTH(c);
1436 if (abs(selmon->wy - ny) < snap)
1437 ny = selmon->wy;
1438 else if (abs
1439 ((selmon->wy + selmon->wh) -
1440 (ny + HEIGHT(c))) < snap)
1441 ny = selmon->wy + selmon->wh - HEIGHT(c);
1442 if (!c->isfloating && selmon->lt[selmon->sellt]->arrange
1443 && (abs(nx - c->x) > snap || abs(ny - c->y) > snap))
1444 togglefloating(NULL);
1445 if (!selmon->lt[selmon->sellt]->arrange
1446 || c->isfloating)
1447 resize(c, nx, ny, c->w, c->h, 1);
1448 break;
1449 }
1450 } while (ev.type != ButtonRelease);
1451 XUngrabPointer(dpy, CurrentTime);
1452 if ((m = recttomon(c->x, c->y, c->w, c->h)) != selmon) {
1453 sendmon(c, m);
1454 selmon = m;
1455 focus(NULL);
1456 }
1457}
1458
1459Client *nexttiled(Client *c)
1460{
1461 for (; c && (c->isfloating || !ISVISIBLE(c)); c = c->next) ;
1462 return c;
1463}
1464
1465void pop(Client *c)
1466{
1467 detach(c);
1468 attach(c);
1469 focus(c);
1470 arrange(c->mon);
1471}
1472
1473void propertynotify(XEvent *e)
1474{
1475 Client *c;
1476 Window trans;
1477 XPropertyEvent *ev = &e->xproperty;
1478
1479 if ((c = wintosystrayicon(ev->window))) {
1480 if (ev->atom == XA_WM_NORMAL_HINTS) {
1481 updatesizehints(c);
1482 updatesystrayicongeom(c, c->w, c->h);
1483 } else
1484 updatesystrayiconstate(c, ev);
1485 resizebarwin(selmon);
1486 updatesystray();
1487 }
1488
1489 if ((ev->window == root) && (ev->atom == XA_WM_NAME))
1490 updatestatus();
1491 else if (ev->state == PropertyDelete)
1492 return; /* ignore */
1493 else if ((c = wintoclient(ev->window))) {
1494 switch (ev->atom) {
1495 default:
1496 break;
1497 case XA_WM_TRANSIENT_FOR:
1498 if (!c->isfloating
1499 && (XGetTransientForHint(dpy, c->win, &trans))
1500 && (c->isfloating = (wintoclient(trans)) != NULL))
1501 arrange(c->mon);
1502 break;
1503 case XA_WM_NORMAL_HINTS:
1504 c->hintsvalid = 0;
1505 break;
1506 case XA_WM_HINTS:
1507 updatewmhints(c);
1508 drawbars();
1509 break;
1510 }
1511 if (ev->atom == XA_WM_NAME || ev->atom == netatom[NetWMName]) {
1512 updatetitle(c);
1513 if (c == c->mon->sel)
1514 drawbar(c->mon);
1515 }
1516 if (ev->atom == netatom[NetWMWindowType])
1517 updatewindowtype(c);
1518 }
1519}
1520
1521void quit(const Arg *arg)
1522{
1523 running = 0;
1524}
1525
1526Monitor *recttomon(int x, int y, int w, int h)
1527{
1528 Monitor *m, *r = selmon;
1529 int a, area = 0;
1530
1531 for (m = mons; m; m = m->next)
1532 if ((a = INTERSECT(x, y, w, h, m)) > area) {
1533 area = a;
1534 r = m;
1535 }
1536 return r;
1537}
1538
1539void removesystrayicon(Client *i)
1540{
1541 Client **ii;
1542
1543 if (!showsystray || !i)
1544 return;
1545 for (ii = &systray->icons; *ii && *ii != i; ii = &(*ii)->next) ;
1546 if (ii)
1547 *ii = i->next;
1548 free(i);
1549}
1550
1551void resize(Client *c, int x, int y, int w, int h, int interact)
1552{
1553 if (applysizehints(c, &x, &y, &w, &h, interact))
1554 resizeclient(c, x, y, w, h);
1555}
1556
1557void resizebarwin(Monitor *m)
1558{
1559 unsigned int w = m->ww;
1560 if (showsystray && m == systraytomon(m) && !systrayonleft)
1561 w -= getsystraywidth();
1562 XMoveResizeWindow(dpy, m->barwin, m->wx, m->by, w, bh);
1563}
1564
1565void resizeclient(Client *c, int x, int y, int w, int h)
1566{
1567 XWindowChanges wc;
1568
1569 c->oldx = c->x;
1570 c->x = wc.x = x;
1571 c->oldy = c->y;
1572 c->y = wc.y = y;
1573 c->oldw = c->w;
1574 c->w = wc.width = w;
1575 c->oldh = c->h;
1576 c->h = wc.height = h;
1577 wc.border_width = c->bw;
1578 XConfigureWindow(dpy, c->win,
1579 CWX | CWY | CWWidth | CWHeight | CWBorderWidth, &wc);
1580 configure(c);
1581 XSync(dpy, False);
1582}
1583
1584void resizerequest(XEvent *e)
1585{
1586 XResizeRequestEvent *ev = &e->xresizerequest;
1587 Client *i;
1588
1589 if ((i = wintosystrayicon(ev->window))) {
1590 updatesystrayicongeom(i, ev->width, ev->height);
1591 resizebarwin(selmon);
1592 updatesystray();
1593 }
1594}
1595
1596void resizemouse(const Arg *arg)
1597{
1598 int ocx, ocy, nw, nh;
1599 Client *c;
1600 Monitor *m;
1601 XEvent ev;
1602 Time lasttime = 0;
1603
1604 if (!(c = selmon->sel))
1605 return;
1606 if (c->isfullscreen) /* no support resizing fullscreen windows by mouse */
1607 return;
1608 restack(selmon);
1609 ocx = c->x;
1610 ocy = c->y;
1611 if (XGrabPointer
1612 (dpy, root, False, MOUSEMASK, GrabModeAsync, GrabModeAsync, None,
1613 cursor[CurResize]->cursor, CurrentTime) != GrabSuccess)
1614 return;
1615 XWarpPointer(dpy, None, c->win, 0, 0, 0, 0, c->w + c->bw - 1,
1616 c->h + c->bw - 1);
1617 do {
1618 XMaskEvent(dpy,
1619 MOUSEMASK | ExposureMask | SubstructureRedirectMask,
1620 &ev);
1621 switch (ev.type) {
1622 case ConfigureRequest:
1623 case Expose:
1624 case MapRequest:
1625 handler[ev.type] (&ev);
1626 break;
1627 case MotionNotify:
1628 if ((ev.xmotion.time - lasttime) <= (1000 / 60))
1629 continue;
1630 lasttime = ev.xmotion.time;
1631
1632 nw = MAX(ev.xmotion.x - ocx - 2 * c->bw + 1, 1);
1633 nh = MAX(ev.xmotion.y - ocy - 2 * c->bw + 1, 1);
1634 if (c->mon->wx + nw >= selmon->wx
1635 && c->mon->wx + nw <= selmon->wx + selmon->ww
1636 && c->mon->wy + nh >= selmon->wy
1637 && c->mon->wy + nh <= selmon->wy + selmon->wh) {
1638 if (!c->isfloating
1639 && selmon->lt[selmon->sellt]->arrange
1640 && (abs(nw - c->w) > snap
1641 || abs(nh - c->h) > snap))
1642 togglefloating(NULL);
1643 }
1644 if (!selmon->lt[selmon->sellt]->arrange
1645 || c->isfloating)
1646 resize(c, c->x, c->y, nw, nh, 1);
1647 break;
1648 }
1649 } while (ev.type != ButtonRelease);
1650 XWarpPointer(dpy, None, c->win, 0, 0, 0, 0, c->w + c->bw - 1,
1651 c->h + c->bw - 1);
1652 XUngrabPointer(dpy, CurrentTime);
1653 while (XCheckMaskEvent(dpy, EnterWindowMask, &ev)) ;
1654 if ((m = recttomon(c->x, c->y, c->w, c->h)) != selmon) {
1655 sendmon(c, m);
1656 selmon = m;
1657 focus(NULL);
1658 }
1659}
1660
1661void restack(Monitor *m)
1662{
1663 Client *c;
1664 XEvent ev;
1665 XWindowChanges wc;
1666
1667 drawbar(m);
1668 if (!m->sel)
1669 return;
1670 if (m->sel->isfloating || !m->lt[m->sellt]->arrange)
1671 XRaiseWindow(dpy, m->sel->win);
1672 if (m->lt[m->sellt]->arrange) {
1673 wc.stack_mode = Below;
1674 wc.sibling = m->barwin;
1675 for (c = m->stack; c; c = c->snext)
1676 if (!c->isfloating && ISVISIBLE(c)) {
1677 XConfigureWindow(dpy, c->win,
1678 CWSibling | CWStackMode, &wc);
1679 wc.sibling = c->win;
1680 }
1681 }
1682 XSync(dpy, False);
1683 while (XCheckMaskEvent(dpy, EnterWindowMask, &ev)) ;
1684}
1685
1686void run(void)
1687{
1688 XEvent ev;
1689 /* main event loop */
1690 XSync(dpy, False);
1691 while (running && !XNextEvent(dpy, &ev))
1692 if (handler[ev.type])
1693 handler[ev.type] (&ev); /* call handler */
1694}
1695
1696void scan(void)
1697{
1698 unsigned int i, num;
1699 Window d1, d2, *wins = NULL;
1700 XWindowAttributes wa;
1701
1702 if (XQueryTree(dpy, root, &d1, &d2, &wins, &num)) {
1703 for (i = 0; i < num; i++) {
1704 if (!XGetWindowAttributes(dpy, wins[i], &wa)
1705 || wa.override_redirect
1706 || XGetTransientForHint(dpy, wins[i], &d1))
1707 continue;
1708 if (wa.map_state == IsViewable
1709 || getstate(wins[i]) == IconicState)
1710 manage(wins[i], &wa);
1711 }
1712 for (i = 0; i < num; i++) { /* now the transients */
1713 if (!XGetWindowAttributes(dpy, wins[i], &wa))
1714 continue;
1715 if (XGetTransientForHint(dpy, wins[i], &d1)
1716 && (wa.map_state == IsViewable
1717 || getstate(wins[i]) == IconicState))
1718 manage(wins[i], &wa);
1719 }
1720 if (wins)
1721 XFree(wins);
1722 }
1723}
1724
1725void sendmon(Client *c, Monitor *m)
1726{
1727 if (c->mon == m)
1728 return;
1729 unfocus(c, 1);
1730 detach(c);
1731 detachstack(c);
1732 c->mon = m;
1733 c->tags = m->tagset[m->seltags]; /* assign tags of target monitor */
1734 attach(c);
1735 attachstack(c);
1736 focus(NULL);
1737 arrange(NULL);
1738}
1739
1740void setclientstate(Client *c, long state)
1741{
1742 long data[] = { state, None };
1743
1744 XChangeProperty(dpy, c->win, wmatom[WMState], wmatom[WMState], 32,
1745 PropModeReplace, (unsigned char *)data, 2);
1746}
1747
1748int
1749sendevent(Window w, Atom proto, int mask, long d0, long d1, long d2, long d3,
1750 long d4)
1751{
1752 int n;
1753 Atom *protocols, mt;
1754 int exists = 0;
1755 XEvent ev;
1756
1757 if (proto == wmatom[WMTakeFocus] || proto == wmatom[WMDelete]) {
1758 mt = wmatom[WMProtocols];
1759 if (XGetWMProtocols(dpy, w, &protocols, &n)) {
1760 while (!exists && n--)
1761 exists = protocols[n] == proto;
1762 XFree(protocols);
1763 }
1764 } else {
1765 exists = True;
1766 mt = proto;
1767 }
1768
1769 if (exists) {
1770 ev.type = ClientMessage;
1771 ev.xclient.window = w;
1772 ev.xclient.message_type = mt;
1773 ev.xclient.format = 32;
1774 ev.xclient.data.l[0] = d0;
1775 ev.xclient.data.l[1] = d1;
1776 ev.xclient.data.l[2] = d2;
1777 ev.xclient.data.l[3] = d3;
1778 ev.xclient.data.l[4] = d4;
1779 XSendEvent(dpy, w, False, mask, &ev);
1780 }
1781 return exists;
1782}
1783
1784void setfocus(Client *c)
1785{
1786 if (!c->neverfocus) {
1787 XSetInputFocus(dpy, c->win, RevertToPointerRoot, CurrentTime);
1788 XChangeProperty(dpy, root, netatom[NetActiveWindow],
1789 XA_WINDOW, 32, PropModeReplace,
1790 (unsigned char *)&(c->win), 1);
1791 }
1792 sendevent(c->win, wmatom[WMTakeFocus], NoEventMask, wmatom[WMTakeFocus],
1793 CurrentTime, 0, 0, 0);
1794}
1795
1796void setfullscreen(Client *c, int fullscreen)
1797{
1798 if (fullscreen && !c->isfullscreen) {
1799 XChangeProperty(dpy, c->win, netatom[NetWMState], XA_ATOM, 32,
1800 PropModeReplace,
1801 (unsigned char *)&netatom[NetWMFullscreen], 1);
1802 c->isfullscreen = 1;
1803 c->oldstate = c->isfloating;
1804 c->oldbw = c->bw;
1805 c->bw = 0;
1806 c->isfloating = 1;
1807 resizeclient(c, c->mon->mx, c->mon->my, c->mon->mw, c->mon->mh);
1808 XRaiseWindow(dpy, c->win);
1809 } else if (!fullscreen && c->isfullscreen) {
1810 XChangeProperty(dpy, c->win, netatom[NetWMState], XA_ATOM, 32,
1811 PropModeReplace, (unsigned char *)0, 0);
1812 c->isfullscreen = 0;
1813 c->isfloating = c->oldstate;
1814 c->bw = c->oldbw;
1815 c->x = c->oldx;
1816 c->y = c->oldy;
1817 c->w = c->oldw;
1818 c->h = c->oldh;
1819 resizeclient(c, c->x, c->y, c->w, c->h);
1820 arrange(c->mon);
1821 }
1822}
1823
1824void setgaps(int oh, int ov, int ih, int iv)
1825{
1826 if (oh < 0)
1827 oh = 0;
1828 if (ov < 0)
1829 ov = 0;
1830 if (ih < 0)
1831 ih = 0;
1832 if (iv < 0)
1833 iv = 0;
1834
1835 selmon->gappoh = oh;
1836 selmon->gappov = ov;
1837 selmon->gappih = ih;
1838 selmon->gappiv = iv;
1839 arrange(selmon);
1840}
1841
1842void togglegaps(const Arg *arg)
1843{
1844 enablegaps = !enablegaps;
1845 arrange(selmon);
1846}
1847
1848void defaultgaps(const Arg *arg)
1849{
1850 setgaps(gappoh, gappov, gappih, gappiv);
1851}
1852
1853void incrgaps(const Arg *arg)
1854{
1855 setgaps(selmon->gappoh + arg->i,
1856 selmon->gappov + arg->i,
1857 selmon->gappih + arg->i, selmon->gappiv + arg->i);
1858}
1859
1860void incrigaps(const Arg *arg)
1861{
1862 setgaps(selmon->gappoh,
1863 selmon->gappov,
1864 selmon->gappih + arg->i, selmon->gappiv + arg->i);
1865}
1866
1867void incrogaps(const Arg *arg)
1868{
1869 setgaps(selmon->gappoh + arg->i,
1870 selmon->gappov + arg->i, selmon->gappih, selmon->gappiv);
1871}
1872
1873void incrohgaps(const Arg *arg)
1874{
1875 setgaps(selmon->gappoh + arg->i,
1876 selmon->gappov, selmon->gappih, selmon->gappiv);
1877}
1878
1879void incrovgaps(const Arg *arg)
1880{
1881 setgaps(selmon->gappoh,
1882 selmon->gappov + arg->i, selmon->gappih, selmon->gappiv);
1883}
1884
1885void incrihgaps(const Arg *arg)
1886{
1887 setgaps(selmon->gappoh,
1888 selmon->gappov, selmon->gappih + arg->i, selmon->gappiv);
1889}
1890
1891void incrivgaps(const Arg *arg)
1892{
1893 setgaps(selmon->gappoh,
1894 selmon->gappov, selmon->gappih, selmon->gappiv + arg->i);
1895}
1896
1897void setlayout(const Arg *arg)
1898{
1899 if (!arg || !arg->v || arg->v != selmon->lt[selmon->sellt])
1900 selmon->sellt ^= 1;
1901 if (arg && arg->v)
1902 selmon->lt[selmon->sellt] = (Layout *) arg->v;
1903 strncpy(selmon->ltsymbol, selmon->lt[selmon->sellt]->symbol,
1904 sizeof selmon->ltsymbol);
1905 if (selmon->sel)
1906 arrange(selmon);
1907 else
1908 drawbar(selmon);
1909}
1910
1911/* arg > 1.0 will set mfact absolutely */
1912void setmfact(const Arg *arg)
1913{
1914 float f;
1915
1916 if (!arg || !selmon->lt[selmon->sellt]->arrange)
1917 return;
1918 f = arg->f < 1.0 ? arg->f + selmon->mfact : arg->f - 1.0;
1919 if (f < 0.05 || f > 0.95)
1920 return;
1921 selmon->mfact = f;
1922 arrange(selmon);
1923}
1924
1925void setup(void)
1926{
1927 int i;
1928 XSetWindowAttributes wa;
1929 Atom utf8string;
1930 struct sigaction sa;
1931
1932 /* do not transform children into zombies when they terminate */
1933 sigemptyset(&sa.sa_mask);
1934 sa.sa_flags = SA_NOCLDSTOP | SA_NOCLDWAIT | SA_RESTART;
1935 sa.sa_handler = SIG_IGN;
1936 sigaction(SIGCHLD, &sa, NULL);
1937
1938 /* clean up any zombies (inherited from .xinitrc etc) immediately */
1939 while (waitpid(-1, NULL, WNOHANG) > 0) ;
1940
1941 /* init screen */
1942 screen = DefaultScreen(dpy);
1943 sw = DisplayWidth(dpy, screen);
1944 sh = DisplayHeight(dpy, screen);
1945 root = RootWindow(dpy, screen);
1946 drw = drw_create(dpy, screen, root, sw, sh);
1947 if (!drw_fontset_create(drw, fonts, LENGTH(fonts)))
1948 die("no fonts could be loaded.");
1949 lrpad = drw->fonts->h;
1950 bh = drw->fonts->h + 2;
1951 updategeom();
1952 /* init atoms */
1953 utf8string = XInternAtom(dpy, "UTF8_STRING", False);
1954 wmatom[WMProtocols] = XInternAtom(dpy, "WM_PROTOCOLS", False);
1955 wmatom[WMDelete] = XInternAtom(dpy, "WM_DELETE_WINDOW", False);
1956 wmatom[WMState] = XInternAtom(dpy, "WM_STATE", False);
1957 wmatom[WMTakeFocus] = XInternAtom(dpy, "WM_TAKE_FOCUS", False);
1958 netatom[NetActiveWindow] =
1959 XInternAtom(dpy, "_NET_ACTIVE_WINDOW", False);
1960 netatom[NetSupported] = XInternAtom(dpy, "_NET_SUPPORTED", False);
1961 netatom[NetSystemTray] = XInternAtom(dpy, "_NET_SYSTEM_TRAY_S0", False);
1962 netatom[NetSystemTrayOP] =
1963 XInternAtom(dpy, "_NET_SYSTEM_TRAY_OPCODE", False);
1964 netatom[NetSystemTrayOrientation] =
1965 XInternAtom(dpy, "_NET_SYSTEM_TRAY_ORIENTATION", False);
1966 netatom[NetSystemTrayOrientationHorz] =
1967 XInternAtom(dpy, "_NET_SYSTEM_TRAY_ORIENTATION_HORZ", False);
1968 netatom[NetWMName] = XInternAtom(dpy, "_NET_WM_NAME", False);
1969 netatom[NetWMState] = XInternAtom(dpy, "_NET_WM_STATE", False);
1970 netatom[NetWMCheck] =
1971 XInternAtom(dpy, "_NET_SUPPORTING_WM_CHECK", False);
1972 netatom[NetWMFullscreen] =
1973 XInternAtom(dpy, "_NET_WM_STATE_FULLSCREEN", False);
1974 netatom[NetWMWindowType] =
1975 XInternAtom(dpy, "_NET_WM_WINDOW_TYPE", False);
1976 netatom[NetWMWindowTypeDialog] =
1977 XInternAtom(dpy, "_NET_WM_WINDOW_TYPE_DIALOG", False);
1978 netatom[NetClientList] = XInternAtom(dpy, "_NET_CLIENT_LIST", False);
1979 xatom[Manager] = XInternAtom(dpy, "MANAGER", False);
1980 xatom[Xembed] = XInternAtom(dpy, "_XEMBED", False);
1981 xatom[XembedInfo] = XInternAtom(dpy, "_XEMBED_INFO", False);
1982 /* init cursors */
1983 cursor[CurNormal] = drw_cur_create(drw, XC_left_ptr);
1984 cursor[CurResize] = drw_cur_create(drw, XC_sizing);
1985 cursor[CurMove] = drw_cur_create(drw, XC_fleur);
1986 /* init appearance */
1987 scheme = ecalloc(LENGTH(colors), sizeof(Clr *));
1988 for (i = 0; i < LENGTH(colors); i++)
1989 scheme[i] = drw_scm_create(drw, colors[i], 3);
1990 /* init system tray */
1991 updatesystray();
1992 /* init bars */
1993 updatebars();
1994 updatestatus();
1995 /* supporting window for NetWMCheck */
1996 wmcheckwin = XCreateSimpleWindow(dpy, root, 0, 0, 1, 1, 0, 0, 0);
1997 XChangeProperty(dpy, wmcheckwin, netatom[NetWMCheck], XA_WINDOW, 32,
1998 PropModeReplace, (unsigned char *)&wmcheckwin, 1);
1999 XChangeProperty(dpy, wmcheckwin, netatom[NetWMName], utf8string, 8,
2000 PropModeReplace, (unsigned char *)"dwm", 3);
2001 XChangeProperty(dpy, root, netatom[NetWMCheck], XA_WINDOW, 32,
2002 PropModeReplace, (unsigned char *)&wmcheckwin, 1);
2003 /* EWMH support per view */
2004 XChangeProperty(dpy, root, netatom[NetSupported], XA_ATOM, 32,
2005 PropModeReplace, (unsigned char *)netatom, NetLast);
2006 XDeleteProperty(dpy, root, netatom[NetClientList]);
2007 /* select events */
2008 wa.cursor = cursor[CurNormal]->cursor;
2009 wa.event_mask = SubstructureRedirectMask | SubstructureNotifyMask
2010 | ButtonPressMask | PointerMotionMask | EnterWindowMask
2011 | LeaveWindowMask | StructureNotifyMask | PropertyChangeMask;
2012 XChangeWindowAttributes(dpy, root, CWEventMask | CWCursor, &wa);
2013 XSelectInput(dpy, root, wa.event_mask);
2014 grabkeys();
2015 focus(NULL);
2016}
2017
2018void seturgent(Client *c, int urg)
2019{
2020 XWMHints *wmh;
2021
2022 c->isurgent = urg;
2023 if (!(wmh = XGetWMHints(dpy, c->win)))
2024 return;
2025 wmh->flags =
2026 urg ? (wmh->flags | XUrgencyHint) : (wmh->flags & ~XUrgencyHint);
2027 XSetWMHints(dpy, c->win, wmh);
2028 XFree(wmh);
2029}
2030
2031void showhide(Client *c)
2032{
2033 if (!c)
2034 return;
2035 if (ISVISIBLE(c)) {
2036 /* show clients top down */
2037 XMoveWindow(dpy, c->win, c->x, c->y);
2038 if ((!c->mon->lt[c->mon->sellt]->arrange || c->isfloating)
2039 && !c->isfullscreen)
2040 resize(c, c->x, c->y, c->w, c->h, 0);
2041 showhide(c->snext);
2042 } else {
2043 /* hide clients bottom up */
2044 showhide(c->snext);
2045 XMoveWindow(dpy, c->win, WIDTH(c) * -2, c->y);
2046 }
2047}
2048
2049void spawn(const Arg *arg)
2050{
2051 struct sigaction sa;
2052
2053 if (arg->v == dmenucmd)
2054 dmenumon[0] = '0' + selmon->num;
2055 if (fork() == 0) {
2056 if (dpy)
2057 close(ConnectionNumber(dpy));
2058 setsid();
2059
2060 sigemptyset(&sa.sa_mask);
2061 sa.sa_flags = 0;
2062 sa.sa_handler = SIG_DFL;
2063 sigaction(SIGCHLD, &sa, NULL);
2064
2065 execvp(((char **)arg->v)[0], (char **)arg->v);
2066 die("dwm: execvp '%s' failed:", ((char **)arg->v)[0]);
2067 }
2068}
2069
2070void tag(const Arg *arg)
2071{
2072 if (selmon->sel && arg->ui & TAGMASK) {
2073 selmon->sel->tags = arg->ui & TAGMASK;
2074 focus(NULL);
2075 arrange(selmon);
2076 }
2077}
2078
2079void tagmon(const Arg *arg)
2080{
2081 if (!selmon->sel || !mons->next)
2082 return;
2083 sendmon(selmon->sel, dirtomon(arg->i));
2084}
2085
2086void tile(Monitor *m)
2087{
2088 unsigned int i, n, h, r, oe = enablegaps, ie = enablegaps, mw, my, ty;
2089 Client *c;
2090
2091 for (n = 0, c = nexttiled(m->clients); c; c = nexttiled(c->next), n++) ;
2092 if (n == 0)
2093 return;
2094 if (smartgaps == n) {
2095 oe = 0; // outer gaps disabled
2096 }
2097
2098 if (n > m->nmaster)
2099 mw = m->nmaster ? (m->ww + m->gappiv * ie) * m->mfact : 0;
2100 else
2101 mw = m->ww - 2 * m->gappov * oe + m->gappiv * ie;
2102 for (i = 0, my = ty = m->gappoh * oe, c = nexttiled(m->clients); c;
2103 c = nexttiled(c->next), i++)
2104 if (i < m->nmaster) {
2105 r = MIN(n, m->nmaster) - i;
2106 h = (m->wh - my - m->gappoh * oe -
2107 m->gappih * ie * (r - 1)) / r;
2108 resize(c, m->wx + m->gappov * oe, m->wy + my,
2109 mw - (2 * c->bw) - m->gappiv * ie,
2110 h - (2 * c->bw), 0);
2111 my += HEIGHT(c) + m->gappih * ie;
2112
2113 if (my + HEIGHT(c) < m->wh)
2114 my += HEIGHT(c);
2115 } else {
2116 r = n - i;
2117 h = (m->wh - ty - m->gappoh * oe -
2118 m->gappih * ie * (r - 1)) / r;
2119 resize(c, m->wx + mw + m->gappov * oe, m->wy + ty,
2120 m->ww - mw - (2 * c->bw) - 2 * m->gappov * oe,
2121 h - (2 * c->bw), 0);
2122 ty += HEIGHT(c) + m->gappih * ie;
2123 }
2124}
2125
2126void togglebar(const Arg *arg)
2127{
2128 selmon->showbar = !selmon->showbar;
2129 updatebarpos(selmon);
2130 resizebarwin(selmon);
2131 if (showsystray) {
2132 XWindowChanges wc;
2133 if (!selmon->showbar)
2134 wc.y = -bh;
2135 else if (selmon->showbar) {
2136 wc.y = 0;
2137 if (!selmon->topbar)
2138 wc.y = selmon->mh - bh;
2139 }
2140 XConfigureWindow(dpy, systray->win, CWY, &wc);
2141 }
2142 arrange(selmon);
2143}
2144
2145void togglefloating(const Arg *arg)
2146{
2147 if (!selmon->sel)
2148 return;
2149 if (selmon->sel->isfullscreen) /* no support for fullscreen windows */
2150 return;
2151 selmon->sel->isfloating = !selmon->sel->isfloating
2152 || selmon->sel->isfixed;
2153 if (selmon->sel->isfloating)
2154 resize(selmon->sel, selmon->sel->x, selmon->sel->y,
2155 selmon->sel->w, selmon->sel->h, 0);
2156 arrange(selmon);
2157}
2158
2159void togglefullscr(const Arg *arg)
2160{
2161 if (selmon->sel)
2162 setfullscreen(selmon->sel, !selmon->sel->isfullscreen);
2163}
2164
2165void toggletag(const Arg *arg)
2166{
2167 unsigned int newtags;
2168
2169 if (!selmon->sel)
2170 return;
2171 newtags = selmon->sel->tags ^ (arg->ui & TAGMASK);
2172 if (newtags) {
2173 selmon->sel->tags = newtags;
2174 focus(NULL);
2175 arrange(selmon);
2176 }
2177}
2178
2179void toggleview(const Arg *arg)
2180{
2181 unsigned int newtagset =
2182 selmon->tagset[selmon->seltags] ^ (arg->ui & TAGMASK);
2183
2184 if (newtagset) {
2185 selmon->tagset[selmon->seltags] = newtagset;
2186 focus(NULL);
2187 arrange(selmon);
2188 }
2189}
2190
2191void unfocus(Client *c, int setfocus)
2192{
2193 if (!c)
2194 return;
2195 grabbuttons(c, 0);
2196 XSetWindowBorder(dpy, c->win, scheme[SchemeNorm][ColBorder].pixel);
2197 if (setfocus) {
2198 XSetInputFocus(dpy, root, RevertToPointerRoot, CurrentTime);
2199 XDeleteProperty(dpy, root, netatom[NetActiveWindow]);
2200 }
2201}
2202
2203void unmanage(Client *c, int destroyed)
2204{
2205 Monitor *m = c->mon;
2206 XWindowChanges wc;
2207
2208 if (c->swallowing) {
2209 unswallow(c);
2210 return;
2211 }
2212
2213 Client *s = swallowingclient(c->win);
2214 if (s) {
2215 free(s->swallowing);
2216 s->swallowing = NULL;
2217 arrange(m);
2218 focus(NULL);
2219 return;
2220 }
2221
2222 detach(c);
2223 detachstack(c);
2224 if (!destroyed) {
2225 wc.border_width = c->oldbw;
2226 XGrabServer(dpy); /* avoid race conditions */
2227 XSetErrorHandler(xerrordummy);
2228 XSelectInput(dpy, c->win, NoEventMask);
2229 XConfigureWindow(dpy, c->win, CWBorderWidth, &wc); /* restore border */
2230 XUngrabButton(dpy, AnyButton, AnyModifier, c->win);
2231 setclientstate(c, WithdrawnState);
2232 XSync(dpy, False);
2233 XSetErrorHandler(xerror);
2234 XUngrabServer(dpy);
2235 }
2236 free(c);
2237
2238 if (!s) {
2239 arrange(m);
2240 focus(NULL);
2241 updateclientlist();
2242 }
2243}
2244
2245void unmapnotify(XEvent *e)
2246{
2247 Client *c;
2248 XUnmapEvent *ev = &e->xunmap;
2249
2250 if ((c = wintoclient(ev->window))) {
2251 if (ev->send_event)
2252 setclientstate(c, WithdrawnState);
2253 else
2254 unmanage(c, 0);
2255 } else if ((c = wintosystrayicon(ev->window))) {
2256 /* KLUDGE! sometimes icons occasionally unmap their windows, but do
2257 * _not_ destroy them. We map those windows back */
2258 XMapRaised(dpy, c->win);
2259 updatesystray();
2260 }
2261}
2262
2263void updatebars(void)
2264{
2265 unsigned int w;
2266 Monitor *m;
2267 XSetWindowAttributes wa = {
2268 .override_redirect = True,
2269 .background_pixmap = ParentRelative,
2270 .event_mask = ButtonPressMask | ExposureMask
2271 };
2272 XClassHint ch = { "dwm", "dwm" };
2273 for (m = mons; m; m = m->next) {
2274 if (m->barwin)
2275 continue;
2276 w = m->ww;
2277 if (showsystray && m == systraytomon(m))
2278 w -= getsystraywidth();
2279 m->barwin =
2280 XCreateWindow(dpy, root, m->wx, m->by, w, bh, 0,
2281 DefaultDepth(dpy, screen), CopyFromParent,
2282 DefaultVisual(dpy, screen),
2283 CWOverrideRedirect | CWBackPixmap |
2284 CWEventMask, &wa);
2285 XDefineCursor(dpy, m->barwin, cursor[CurNormal]->cursor);
2286 if (showsystray && m == systraytomon(m))
2287 XMapRaised(dpy, systray->win);
2288 XMapRaised(dpy, m->barwin);
2289 XSetClassHint(dpy, m->barwin, &ch);
2290 }
2291}
2292
2293void updatebarpos(Monitor *m)
2294{
2295 m->wy = m->my;
2296 m->wh = m->mh;
2297 if (m->showbar) {
2298 m->wh -= bh;
2299 m->by = m->topbar ? m->wy : m->wy + m->wh;
2300 m->wy = m->topbar ? m->wy + bh : m->wy;
2301 } else
2302 m->by = -bh;
2303}
2304
2305void updateclientlist()
2306{
2307 Client *c;
2308 Monitor *m;
2309
2310 XDeleteProperty(dpy, root, netatom[NetClientList]);
2311 for (m = mons; m; m = m->next)
2312 for (c = m->clients; c; c = c->next)
2313 XChangeProperty(dpy, root, netatom[NetClientList],
2314 XA_WINDOW, 32, PropModeAppend,
2315 (unsigned char *)&(c->win), 1);
2316}
2317
2318int updategeom(void)
2319{
2320 int dirty = 0;
2321
2322#ifdef XINERAMA
2323 if (XineramaIsActive(dpy)) {
2324 int i, j, n, nn;
2325 Client *c;
2326 Monitor *m;
2327 XineramaScreenInfo *info = XineramaQueryScreens(dpy, &nn);
2328 XineramaScreenInfo *unique = NULL;
2329
2330 for (n = 0, m = mons; m; m = m->next, n++) ;
2331 /* only consider unique geometries as separate screens */
2332 unique = ecalloc(nn, sizeof(XineramaScreenInfo));
2333 for (i = 0, j = 0; i < nn; i++)
2334 if (isuniquegeom(unique, j, &info[i]))
2335 memcpy(&unique[j++], &info[i],
2336 sizeof(XineramaScreenInfo));
2337 XFree(info);
2338 nn = j;
2339
2340 /* new monitors if nn > n */
2341 for (i = n; i < nn; i++) {
2342 for (m = mons; m && m->next; m = m->next) ;
2343 if (m)
2344 m->next = createmon();
2345 else
2346 mons = createmon();
2347 }
2348 for (i = 0, m = mons; i < nn && m; m = m->next, i++)
2349 if (i >= n
2350 || unique[i].x_org != m->mx
2351 || unique[i].y_org != m->my
2352 || unique[i].width != m->mw
2353 || unique[i].height != m->mh) {
2354 dirty = 1;
2355 m->num = i;
2356 m->mx = m->wx = unique[i].x_org;
2357 m->my = m->wy = unique[i].y_org;
2358 m->mw = m->ww = unique[i].width;
2359 m->mh = m->wh = unique[i].height;
2360 updatebarpos(m);
2361 }
2362 /* removed monitors if n > nn */
2363 for (i = nn; i < n; i++) {
2364 for (m = mons; m && m->next; m = m->next) ;
2365 while ((c = m->clients)) {
2366 dirty = 1;
2367 m->clients = c->next;
2368 detachstack(c);
2369 c->mon = mons;
2370 attach(c);
2371 attachstack(c);
2372 }
2373 if (m == selmon)
2374 selmon = mons;
2375 cleanupmon(m);
2376 }
2377 free(unique);
2378 } else
2379#endif /* XINERAMA */
2380 { /* default monitor setup */
2381 if (!mons)
2382 mons = createmon();
2383 if (mons->mw != sw || mons->mh != sh) {
2384 dirty = 1;
2385 mons->mw = mons->ww = sw;
2386 mons->mh = mons->wh = sh;
2387 updatebarpos(mons);
2388 }
2389 }
2390 if (dirty) {
2391 selmon = mons;
2392 selmon = wintomon(root);
2393 }
2394 return dirty;
2395}
2396
2397void updatenumlockmask(void)
2398{
2399 unsigned int i, j;
2400 XModifierKeymap *modmap;
2401
2402 numlockmask = 0;
2403 modmap = XGetModifierMapping(dpy);
2404 for (i = 0; i < 8; i++)
2405 for (j = 0; j < modmap->max_keypermod; j++)
2406 if (modmap->modifiermap[i * modmap->max_keypermod + j]
2407 == XKeysymToKeycode(dpy, XK_Num_Lock))
2408 numlockmask = (1 << i);
2409 XFreeModifiermap(modmap);
2410}
2411
2412void updatesizehints(Client *c)
2413{
2414 long msize;
2415 XSizeHints size;
2416
2417 if (!XGetWMNormalHints(dpy, c->win, &size, &msize))
2418 /* size is uninitialized, ensure that size.flags aren't used */
2419 size.flags = PSize;
2420 if (size.flags & PBaseSize) {
2421 c->basew = size.base_width;
2422 c->baseh = size.base_height;
2423 } else if (size.flags & PMinSize) {
2424 c->basew = size.min_width;
2425 c->baseh = size.min_height;
2426 } else
2427 c->basew = c->baseh = 0;
2428 if (size.flags & PResizeInc) {
2429 c->incw = size.width_inc;
2430 c->inch = size.height_inc;
2431 } else
2432 c->incw = c->inch = 0;
2433 if (size.flags & PMaxSize) {
2434 c->maxw = size.max_width;
2435 c->maxh = size.max_height;
2436 } else
2437 c->maxw = c->maxh = 0;
2438 if (size.flags & PMinSize) {
2439 c->minw = size.min_width;
2440 c->minh = size.min_height;
2441 } else if (size.flags & PBaseSize) {
2442 c->minw = size.base_width;
2443 c->minh = size.base_height;
2444 } else
2445 c->minw = c->minh = 0;
2446 if (size.flags & PAspect) {
2447 c->mina = (float)size.min_aspect.y / size.min_aspect.x;
2448 c->maxa = (float)size.max_aspect.x / size.max_aspect.y;
2449 } else
2450 c->maxa = c->mina = 0.0;
2451 c->isfixed = (c->maxw && c->maxh && c->maxw == c->minw
2452 && c->maxh == c->minh);
2453 c->hintsvalid = 1;
2454}
2455
2456void updatestatus(void)
2457{
2458 if (!gettextprop(root, XA_WM_NAME, stext, sizeof(stext)))
2459 strcpy(stext, "dwm-" VERSION);
2460 drawbar(selmon);
2461 updatesystray();
2462}
2463
2464void updatesystrayicongeom(Client *i, int w, int h)
2465{
2466 if (i) {
2467 i->h = bh;
2468 if (w == h)
2469 i->w = bh;
2470 else if (h == bh)
2471 i->w = w;
2472 else
2473 i->w = (int)((float)bh * ((float)w / (float)h));
2474 applysizehints(i, &(i->x), &(i->y), &(i->w), &(i->h), False);
2475 /* force icons into the systray dimensions if they don't want to */
2476 if (i->h > bh) {
2477 if (i->w == i->h)
2478 i->w = bh;
2479 else
2480 i->w =
2481 (int)((float)bh *
2482 ((float)i->w / (float)i->h));
2483 i->h = bh;
2484 }
2485 }
2486}
2487
2488void updatesystrayiconstate(Client *i, XPropertyEvent *ev)
2489{
2490 long flags;
2491 int code = 0;
2492
2493 if (!showsystray || !i || ev->atom != xatom[XembedInfo] ||
2494 !(flags = getatomprop(i, xatom[XembedInfo])))
2495 return;
2496
2497 if (flags & XEMBED_MAPPED && !i->tags) {
2498 i->tags = 1;
2499 code = XEMBED_WINDOW_ACTIVATE;
2500 XMapRaised(dpy, i->win);
2501 setclientstate(i, NormalState);
2502 } else if (!(flags & XEMBED_MAPPED) && i->tags) {
2503 i->tags = 0;
2504 code = XEMBED_WINDOW_DEACTIVATE;
2505 XUnmapWindow(dpy, i->win);
2506 setclientstate(i, WithdrawnState);
2507 } else
2508 return;
2509 sendevent(i->win, xatom[Xembed], StructureNotifyMask, CurrentTime, code,
2510 0, systray->win, XEMBED_EMBEDDED_VERSION);
2511}
2512
2513void updatesystray(void)
2514{
2515 XSetWindowAttributes wa;
2516 XWindowChanges wc;
2517 Client *i;
2518 Monitor *m = systraytomon(NULL);
2519 unsigned int x = m->mx + m->mw;
2520 unsigned int sw = TEXTW(stext) - lrpad + systrayspacing;
2521 unsigned int w = 1;
2522
2523 if (!showsystray)
2524 return;
2525 if (systrayonleft)
2526 x -= sw + lrpad / 2;
2527 if (!systray) {
2528 /* init systray */
2529 if (!(systray = (Systray *) calloc(1, sizeof(Systray))))
2530 die("fatal: could not malloc() %u bytes\n",
2531 sizeof(Systray));
2532 systray->win =
2533 XCreateSimpleWindow(dpy, root, x, m->by, w, bh, 0, 0,
2534 scheme[SchemeSel][ColBg].pixel);
2535 wa.event_mask = ButtonPressMask | ExposureMask;
2536 wa.override_redirect = True;
2537 wa.background_pixel = scheme[SchemeNorm][ColBg].pixel;
2538 XSelectInput(dpy, systray->win, SubstructureNotifyMask);
2539 XChangeProperty(dpy, systray->win,
2540 netatom[NetSystemTrayOrientation], XA_CARDINAL,
2541 32, PropModeReplace,
2542 (unsigned char *)
2543 &netatom[NetSystemTrayOrientationHorz], 1);
2544 XChangeWindowAttributes(dpy, systray->win,
2545 CWEventMask | CWOverrideRedirect |
2546 CWBackPixel, &wa);
2547 XMapRaised(dpy, systray->win);
2548 XSetSelectionOwner(dpy, netatom[NetSystemTray], systray->win,
2549 CurrentTime);
2550 if (XGetSelectionOwner(dpy, netatom[NetSystemTray]) ==
2551 systray->win) {
2552 sendevent(root, xatom[Manager], StructureNotifyMask,
2553 CurrentTime, netatom[NetSystemTray],
2554 systray->win, 0, 0);
2555 XSync(dpy, False);
2556 } else {
2557 fprintf(stderr, "dwm: unable to obtain system tray.\n");
2558 free(systray);
2559 systray = NULL;
2560 return;
2561 }
2562 }
2563 for (w = 0, i = systray->icons; i; i = i->next) {
2564 /* make sure the background color stays the same */
2565 wa.background_pixel = scheme[SchemeNorm][ColBg].pixel;
2566 XChangeWindowAttributes(dpy, i->win, CWBackPixel, &wa);
2567 XMapRaised(dpy, i->win);
2568 w += systrayspacing;
2569 i->x = w;
2570 XMoveResizeWindow(dpy, i->win, i->x, 0, i->w, i->h);
2571 w += i->w;
2572 if (i->mon != m)
2573 i->mon = m;
2574 }
2575 w = w ? w + systrayspacing : 1;
2576 x -= w;
2577 XMoveResizeWindow(dpy, systray->win, x, m->by, w, bh);
2578 wc.x = x;
2579 wc.y = m->by;
2580 wc.width = w;
2581 wc.height = bh;
2582 wc.stack_mode = Above;
2583 wc.sibling = m->barwin;
2584 XConfigureWindow(dpy, systray->win,
2585 CWX | CWY | CWWidth | CWHeight | CWSibling |
2586 CWStackMode, &wc);
2587 XMapWindow(dpy, systray->win);
2588 XMapSubwindows(dpy, systray->win);
2589 /* redraw background */
2590 XSetForeground(dpy, drw->gc, scheme[SchemeNorm][ColBg].pixel);
2591 XFillRectangle(dpy, systray->win, drw->gc, 0, 0, w, bh);
2592 XSync(dpy, False);
2593}
2594
2595void updatetitle(Client *c)
2596{
2597 if (!gettextprop(c->win, netatom[NetWMName], c->name, sizeof c->name))
2598 gettextprop(c->win, XA_WM_NAME, c->name, sizeof c->name);
2599 if (c->name[0] == '\0') /* hack to mark broken clients */
2600 strcpy(c->name, broken);
2601}
2602
2603void updatewindowtype(Client *c)
2604{
2605 Atom state = getatomprop(c, netatom[NetWMState]);
2606 Atom wtype = getatomprop(c, netatom[NetWMWindowType]);
2607
2608 if (state == netatom[NetWMFullscreen])
2609 setfullscreen(c, 1);
2610 if (wtype == netatom[NetWMWindowTypeDialog])
2611 c->isfloating = 1;
2612}
2613
2614void updatewmhints(Client *c)
2615{
2616 XWMHints *wmh;
2617
2618 if ((wmh = XGetWMHints(dpy, c->win))) {
2619 if (c == selmon->sel && wmh->flags & XUrgencyHint) {
2620 wmh->flags &= ~XUrgencyHint;
2621 XSetWMHints(dpy, c->win, wmh);
2622 } else
2623 c->isurgent = (wmh->flags & XUrgencyHint) ? 1 : 0;
2624 if (wmh->flags & InputHint)
2625 c->neverfocus = !wmh->input;
2626 else
2627 c->neverfocus = 0;
2628 XFree(wmh);
2629 }
2630}
2631
2632void view(const Arg *arg)
2633{
2634 if ((arg->ui & TAGMASK) == selmon->tagset[selmon->seltags])
2635 return;
2636 selmon->seltags ^= 1; /* toggle sel tagset */
2637 if (arg->ui & TAGMASK)
2638 selmon->tagset[selmon->seltags] = arg->ui & TAGMASK;
2639 focus(NULL);
2640 arrange(selmon);
2641}
2642
2643pid_t winpid(Window w)
2644{
2645
2646 pid_t result = 0;
2647
2648#ifdef __linux__
2649 xcb_res_client_id_spec_t spec = { 0 };
2650 spec.client = w;
2651 spec.mask = XCB_RES_CLIENT_ID_MASK_LOCAL_CLIENT_PID;
2652
2653 xcb_generic_error_t *e = NULL;
2654 xcb_res_query_client_ids_cookie_t c =
2655 xcb_res_query_client_ids(xcon, 1, &spec);
2656 xcb_res_query_client_ids_reply_t *r =
2657 xcb_res_query_client_ids_reply(xcon, c, &e);
2658
2659 if (!r)
2660 return (pid_t) 0;
2661
2662 xcb_res_client_id_value_iterator_t i =
2663 xcb_res_query_client_ids_ids_iterator(r);
2664 for (; i.rem; xcb_res_client_id_value_next(&i)) {
2665 spec = i.data->spec;
2666 if (spec.mask & XCB_RES_CLIENT_ID_MASK_LOCAL_CLIENT_PID) {
2667 uint32_t *t = xcb_res_client_id_value_value(i.data);
2668 result = *t;
2669 break;
2670 }
2671 }
2672
2673 free(r);
2674
2675 if (result == (pid_t) - 1)
2676 result = 0;
2677
2678#endif /* __linux__ */
2679
2680#ifdef __OpenBSD__
2681 Atom type;
2682 int format;
2683 unsigned long len, bytes;
2684 unsigned char *prop;
2685 pid_t ret;
2686
2687 if (XGetWindowProperty
2688 (dpy, w, XInternAtom(dpy, "_NET_WM_PID", 0), 0, 1, False,
2689 AnyPropertyType, &type, &format, &len, &bytes, &prop) != Success
2690 || !prop)
2691 return 0;
2692
2693 ret = *(pid_t *) prop;
2694 XFree(prop);
2695 result = ret;
2696
2697#endif /* __OpenBSD__ */
2698 return result;
2699}
2700
2701pid_t getparentprocess(pid_t p)
2702{
2703 unsigned int v = 0;
2704
2705#ifdef __linux__
2706 FILE *f;
2707 char buf[256];
2708 snprintf(buf, sizeof(buf) - 1, "/proc/%u/stat", (unsigned)p);
2709
2710 if (!(f = fopen(buf, "r")))
2711 return 0;
2712
2713 fscanf(f, "%*u %*s %*c %u", &v);
2714 fclose(f);
2715#endif /* __linux__ */
2716
2717#ifdef __OpenBSD__
2718 int n;
2719 kvm_t *kd;
2720 struct kinfo_proc *kp;
2721
2722 kd = kvm_openfiles(NULL, NULL, NULL, KVM_NO_FILES, NULL);
2723 if (!kd)
2724 return 0;
2725
2726 kp = kvm_getprocs(kd, KERN_PROC_PID, p, sizeof(*kp), &n);
2727 v = kp->p_ppid;
2728#endif /* __OpenBSD__ */
2729
2730 return (pid_t) v;
2731}
2732
2733int isdescprocess(pid_t p, pid_t c)
2734{
2735 while (p != c && c != 0)
2736 c = getparentprocess(c);
2737
2738 return (int)c;
2739}
2740
2741Client *termforwin(const Client *w)
2742{
2743 Client *c;
2744 Monitor *m;
2745
2746 if (!w->pid || w->isterminal)
2747 return NULL;
2748
2749 for (m = mons; m; m = m->next) {
2750 for (c = m->clients; c; c = c->next) {
2751 if (c->isterminal && !c->swallowing && c->pid
2752 && isdescprocess(c->pid, w->pid))
2753 return c;
2754 }
2755 }
2756
2757 return NULL;
2758}
2759
2760Client *swallowingclient(Window w)
2761{
2762 Client *c;
2763 Monitor *m;
2764
2765 for (m = mons; m; m = m->next) {
2766 for (c = m->clients; c; c = c->next) {
2767 if (c->swallowing && c->swallowing->win == w)
2768 return c;
2769 }
2770 }
2771
2772 return NULL;
2773}
2774
2775Client *wintoclient(Window w)
2776{
2777 Client *c;
2778 Monitor *m;
2779
2780 for (m = mons; m; m = m->next)
2781 for (c = m->clients; c; c = c->next)
2782 if (c->win == w)
2783 return c;
2784 return NULL;
2785}
2786
2787Client *wintosystrayicon(Window w)
2788{
2789 Client *i = NULL;
2790
2791 if (!showsystray || !w)
2792 return i;
2793 for (i = systray->icons; i && i->win != w; i = i->next) ;
2794 return i;
2795}
2796
2797Monitor *wintomon(Window w)
2798{
2799 int x, y;
2800 Client *c;
2801 Monitor *m;
2802
2803 if (w == root && getrootptr(&x, &y))
2804 return recttomon(x, y, 1, 1);
2805 for (m = mons; m; m = m->next)
2806 if (w == m->barwin)
2807 return m;
2808 if ((c = wintoclient(w)))
2809 return c->mon;
2810 return selmon;
2811}
2812
2813/* There's no way to check accesses to destroyed windows, thus those cases are
2814 * ignored (especially on UnmapNotify's). Other types of errors call Xlibs
2815 * default error handler, which may call exit. */
2816int xerror(Display *dpy, XErrorEvent *ee)
2817{
2818 if (ee->error_code == BadWindow
2819 || (ee->request_code == X_SetInputFocus
2820 && ee->error_code == BadMatch)
2821 || (ee->request_code == X_PolyText8
2822 && ee->error_code == BadDrawable)
2823 || (ee->request_code == X_PolyFillRectangle
2824 && ee->error_code == BadDrawable)
2825 || (ee->request_code == X_PolySegment
2826 && ee->error_code == BadDrawable)
2827 || (ee->request_code == X_ConfigureWindow
2828 && ee->error_code == BadMatch)
2829 || (ee->request_code == X_GrabButton && ee->error_code == BadAccess)
2830 || (ee->request_code == X_GrabKey && ee->error_code == BadAccess)
2831 || (ee->request_code == X_CopyArea
2832 && ee->error_code == BadDrawable))
2833 return 0;
2834 fprintf(stderr, "dwm: fatal error: request code=%d, error code=%d\n",
2835 ee->request_code, ee->error_code);
2836 return xerrorxlib(dpy, ee); /* may call exit */
2837}
2838
2839int xerrordummy(Display *dpy, XErrorEvent *ee)
2840{
2841 return 0;
2842}
2843
2844/* Startup Error handler to check if another window manager
2845 * is already running. */
2846int xerrorstart(Display *dpy, XErrorEvent *ee)
2847{
2848 die("dwm: another window manager is already running");
2849 return -1;
2850}
2851
2852Monitor *systraytomon(Monitor *m)
2853{
2854 Monitor *t;
2855 int i, n;
2856 if (!systraypinning) {
2857 if (!m)
2858 return selmon;
2859 return m == selmon ? m : NULL;
2860 }
2861 for (n = 1, t = mons; t && t->next; n++, t = t->next) ;
2862 for (i = 1, t = mons; t && t->next && i < systraypinning;
2863 i++, t = t->next) ;
2864 if (systraypinningfailfirst && n < systraypinning)
2865 return mons;
2866 return t;
2867}
2868
2869void zoom(const Arg *arg)
2870{
2871 Client *c = selmon->sel;
2872
2873 if (!selmon->lt[selmon->sellt]->arrange || !c || c->isfloating)
2874 return;
2875 if (c == nexttiled(selmon->clients) && !(c = nexttiled(c->next)))
2876 return;
2877 pop(c);
2878}
2879
2880int main(int argc, char *argv[])
2881{
2882 if (argc == 2 && !strcmp("-v", argv[1]))
2883 die("dwm-" VERSION);
2884 else if (argc != 1)
2885 die("usage: dwm [-v]");
2886 if (!setlocale(LC_CTYPE, "") || !XSupportsLocale())
2887 fputs("warning: no locale support\n", stderr);
2888 if (!(dpy = XOpenDisplay(NULL)))
2889 die("dwm: cannot open display");
2890 if (!(xcon = XGetXCBConnection(dpy)))
2891 die("dwm: cannot get xcb connection\n");
2892 checkotherwm();
2893 setup();
2894#ifdef __OpenBSD__
2895 if (pledge("stdio rpath proc exec ps", NULL) == -1)
2896 die("pledge");
2897#endif /* __OpenBSD__ */
2898 scan();
2899 run();
2900 cleanup();
2901 XCloseDisplay(dpy);
2902 return EXIT_SUCCESS;
2903}
diff --git a/dwm.c~ b/dwm.c~
deleted file mode 100644
index 2680e02..0000000
--- a/dwm.c~
+++ /dev/null
@@ -1,2884 +0,0 @@
1/* See LICENSE file for copyright and license details.
2 *
3 * dynamic window manager is designed like any other X client as well. It is
4 * driven through handling X events. In contrast to other X clients, a window
5 * manager selects for SubstructureRedirectMask on the root window, to receive
6 * events about window (dis-)appearance. Only one X connection at a time is
7 * allowed to select for this event mask.
8 *
9 * The event handlers of dwm are organized in an array which is accessed
10 * whenever a new event has been fetched. This allows event dispatching
11 * in O(1) time.
12 *
13 * Each child of the root window is called a client, except windows which have
14 * set the override_redirect flag. Clients are organized in a linked client
15 * list on each monitor, the focus history is remembered through a stack list
16 * on each monitor. Each client contains a bit array to indicate the tags of a
17 * client.
18 *
19 * Keys and tagging rules are organized as arrays and defined in config.h.
20 *
21 * To understand everything else, start reading main().
22 */
23#include <errno.h>
24#include <locale.h>
25#include <signal.h>
26#include <stdarg.h>
27#include <stdio.h>
28#include <stdlib.h>
29#include <string.h>
30#include <unistd.h>
31#include <sys/types.h>
32#include <sys/wait.h>
33#include <X11/cursorfont.h>
34#include <X11/keysym.h>
35#include <X11/Xatom.h>
36#include <X11/Xlib.h>
37#include <X11/Xproto.h>
38#include <X11/Xutil.h>
39#ifdef XINERAMA
40#include <X11/extensions/Xinerama.h>
41#endif /* XINERAMA */
42#include <X11/Xft/Xft.h>
43#include <X11/Xlib-xcb.h>
44#include <xcb/res.h>
45#ifdef __OpenBSD__
46#include <sys/sysctl.h>
47#include <kvm.h>
48#endif /* __OpenBSD */
49
50#include "drw.h"
51#include "util.h"
52
53/* macros */
54#define BUTTONMASK (ButtonPressMask|ButtonReleaseMask)
55#define CLEANMASK(mask) (mask & ~(numlockmask|LockMask) & (ShiftMask|ControlMask|Mod1Mask|Mod2Mask|Mod3Mask|Mod4Mask|Mod5Mask))
56#define INTERSECT(x,y,w,h,m) (MAX(0, MIN((x)+(w),(m)->wx+(m)->ww) - MAX((x),(m)->wx)) \
57 * MAX(0, MIN((y)+(h),(m)->wy+(m)->wh) - MAX((y),(m)->wy)))
58#define ISVISIBLE(C) ((C->tags & C->mon->tagset[C->mon->seltags]))
59#define LENGTH(X) (sizeof X / sizeof X[0])
60#define MOUSEMASK (BUTTONMASK|PointerMotionMask)
61#define WIDTH(X) ((X)->w + 2 * (X)->bw)
62#define HEIGHT(X) ((X)->h + 2 * (X)->bw)
63#define TAGMASK ((1 << LENGTH(tags)) - 1)
64#define TEXTW(X) (drw_fontset_getwidth(drw, (X)) + lrpad)
65
66#define SYSTEM_TRAY_REQUEST_DOCK 0
67/* XEMBED messages */
68#define XEMBED_EMBEDDED_NOTIFY 0
69#define XEMBED_WINDOW_ACTIVATE 1
70#define XEMBED_FOCUS_IN 4
71#define XEMBED_MODALITY_ON 10
72#define XEMBED_MAPPED (1 << 0)
73#define XEMBED_WINDOW_ACTIVATE 1
74#define XEMBED_WINDOW_DEACTIVATE 2
75#define VERSION_MAJOR 0
76#define VERSION_MINOR 0
77#define XEMBED_EMBEDDED_VERSION (VERSION_MAJOR << 16) | VERSION_MINOR
78
79/* enums */
80enum { CurNormal, CurResize, CurMove, CurLast }; /* cursor */
81enum { SchemeNorm, SchemeSel }; /* color schemes */
82enum { NetSupported, NetWMName, NetWMState, NetWMCheck,
83 NetSystemTray, NetSystemTrayOP, NetSystemTrayOrientation, NetSystemTrayOrientationHorz,
84 NetWMFullscreen, NetActiveWindow, NetWMWindowType,
85 NetWMWindowTypeDialog, NetClientList, NetLast }; /* EWMH atoms */
86enum { Manager, Xembed, XembedInfo, XLast }; /* Xembed atoms */
87enum { WMProtocols, WMDelete, WMState, WMTakeFocus, WMLast }; /* default atoms */
88enum { ClkTagBar, ClkLtSymbol, ClkStatusText, ClkWinTitle,
89 ClkClientWin, ClkRootWin, ClkLast }; /* clicks */
90
91typedef union {
92 int i;
93 unsigned int ui;
94 float f;
95 const void *v;
96} Arg;
97
98typedef struct {
99 unsigned int click;
100 unsigned int mask;
101 unsigned int button;
102 void (*func)(const Arg *arg);
103 const Arg arg;
104} Button;
105
106typedef struct Monitor Monitor;
107typedef struct Client Client;
108struct Client {
109 char name[256];
110 float mina, maxa;
111 int x, y, w, h;
112 int oldx, oldy, oldw, oldh;
113 int basew, baseh, incw, inch, maxw, maxh, minw, minh, hintsvalid;
114 int bw, oldbw;
115 unsigned int tags;
116 int isfixed, isfloating, isurgent, neverfocus, oldstate, isfullscreen, isterminal, noswallow;
117 pid_t pid;
118 Client *next;
119 Client *snext;
120 Client *swallowing;
121 Monitor *mon;
122 Window win;
123};
124
125typedef struct {
126 unsigned int mod;
127 KeySym keysym;
128 void (*func)(const Arg *);
129 const Arg arg;
130} Key;
131
132typedef struct {
133 const char *symbol;
134 void (*arrange)(Monitor *);
135} Layout;
136
137struct Monitor {
138 char ltsymbol[16];
139 float mfact;
140 int nmaster;
141 int num;
142 int by; /* bar geometry */
143 int mx, my, mw, mh; /* screen size */
144 int wx, wy, ww, wh; /* window area */
145 int gappih; /* horizontal gap between windows */
146 int gappiv; /* vertical gap between windows */
147 int gappoh; /* horizontal outer gaps */
148 int gappov; /* vertical outer gaps */
149 unsigned int seltags;
150 unsigned int sellt;
151 unsigned int tagset[2];
152 int showbar;
153 int topbar;
154 Client *clients;
155 Client *sel;
156 Client *stack;
157 Monitor *next;
158 Window barwin;
159 const Layout *lt[2];
160};
161
162typedef struct {
163 const char *class;
164 const char *instance;
165 const char *title;
166 unsigned int tags;
167 int isfloating;
168 int isterminal;
169 int noswallow;
170 int monitor;
171} Rule;
172
173typedef struct Systray Systray;
174struct Systray {
175 Window win;
176 Client *icons;
177};
178
179/* function declarations */
180static void applyrules(Client *c);
181static int applysizehints(Client *c, int *x, int *y, int *w, int *h, int interact);
182static void arrange(Monitor *m);
183static void arrangemon(Monitor *m);
184static void attach(Client *c);
185static void attachstack(Client *c);
186static void buttonpress(XEvent *e);
187static void checkotherwm(void);
188static void cleanup(void);
189static void cleanupmon(Monitor *mon);
190static void clientmessage(XEvent *e);
191static void configure(Client *c);
192static void configurenotify(XEvent *e);
193static void configurerequest(XEvent *e);
194static Monitor *createmon(void);
195static void destroynotify(XEvent *e);
196static void detach(Client *c);
197static void detachstack(Client *c);
198static Monitor *dirtomon(int dir);
199static void drawbar(Monitor *m);
200static void drawbars(void);
201static void enternotify(XEvent *e);
202static void expose(XEvent *e);
203static void focus(Client *c);
204static void focusin(XEvent *e);
205static void focusmon(const Arg *arg);
206static void focusstack(const Arg *arg);
207static Atom getatomprop(Client *c, Atom prop);
208static int getrootptr(int *x, int *y);
209static long getstate(Window w);
210static unsigned int getsystraywidth();
211static int gettextprop(Window w, Atom atom, char *text, unsigned int size);
212static void grabbuttons(Client *c, int focused);
213static void grabkeys(void);
214static void incnmaster(const Arg *arg);
215static void keypress(XEvent *e);
216static void killclient(const Arg *arg);
217static void manage(Window w, XWindowAttributes *wa);
218static void mappingnotify(XEvent *e);
219static void maprequest(XEvent *e);
220static void monocle(Monitor *m);
221static void motionnotify(XEvent *e);
222static void movemouse(const Arg *arg);
223static Client *nexttiled(Client *c);
224static void pop(Client *c);
225static void propertynotify(XEvent *e);
226static void quit(const Arg *arg);
227static Monitor *recttomon(int x, int y, int w, int h);
228static void removesystrayicon(Client *i);
229static void resize(Client *c, int x, int y, int w, int h, int interact);
230static void resizebarwin(Monitor *m);
231static void resizeclient(Client *c, int x, int y, int w, int h);
232static void resizemouse(const Arg *arg);
233static void resizerequest(XEvent *e);
234static void restack(Monitor *m);
235static void run(void);
236static void scan(void);
237static int sendevent(Window w, Atom proto, int m, long d0, long d1, long d2, long d3, long d4);
238static void sendmon(Client *c, Monitor *m);
239static void setclientstate(Client *c, long state);
240static void setfocus(Client *c);
241static void setfullscreen(Client *c, int fullscreen);
242static void setgaps(int oh, int ov, int ih, int iv);
243static void incrgaps(const Arg *arg);
244static void incrigaps(const Arg *arg);
245static void incrogaps(const Arg *arg);
246static void incrohgaps(const Arg *arg);
247static void incrovgaps(const Arg *arg);
248static void incrihgaps(const Arg *arg);
249static void incrivgaps(const Arg *arg);
250static void togglegaps(const Arg *arg);
251static void defaultgaps(const Arg *arg);
252static void setlayout(const Arg *arg);
253static void setmfact(const Arg *arg);
254static void setup(void);
255static void seturgent(Client *c, int urg);
256static void showhide(Client *c);
257static void spawn(const Arg *arg);
258static Monitor *systraytomon(Monitor *m);
259static void tag(const Arg *arg);
260static void tagmon(const Arg *arg);
261static void tile(Monitor *m);
262static void togglebar(const Arg *arg);
263static void togglefloating(const Arg *arg);
264static void togglefullscr(const Arg *arg);
265static void toggletag(const Arg *arg);
266static void toggleview(const Arg *arg);
267static void unfocus(Client *c, int setfocus);
268static void unmanage(Client *c, int destroyed);
269static void unmapnotify(XEvent *e);
270static void updatebarpos(Monitor *m);
271static void updatebars(void);
272static void updateclientlist(void);
273static int updategeom(void);
274static void updatenumlockmask(void);
275static void updatesystray(void);
276static void updatesystrayicongeom(Client *i, int w, int h);
277static void updatesystrayiconstate(Client *i, XPropertyEvent *ev);
278static void updatesizehints(Client *c);
279static void updatestatus(void);
280static void updatetitle(Client *c);
281static void updatewindowtype(Client *c);
282static void updatewmhints(Client *c);
283static void view(const Arg *arg);
284static Client *wintoclient(Window w);
285static Monitor *wintomon(Window w);
286static Client *wintosystrayicon(Window w);
287static int xerror(Display *dpy, XErrorEvent *ee);
288static int xerrordummy(Display *dpy, XErrorEvent *ee);
289static int xerrorstart(Display *dpy, XErrorEvent *ee);
290static void zoom(const Arg *arg);
291
292static pid_t getparentprocess(pid_t p);
293static int isdescprocess(pid_t p, pid_t c);
294static Client *swallowingclient(Window w);
295static Client *termforwin(const Client *c);
296static pid_t winpid(Window w);
297
298/* variables */
299static Systray *systray = NULL;
300static const char broken[] = "broken";
301static char stext[256];
302static int screen;
303static int sw, sh; /* X display screen geometry width, height */
304static int bh; /* bar height */
305static int enablegaps = 1; /* enables gaps, used by togglegaps */
306static int lrpad; /* sum of left and right padding for text */
307static int (*xerrorxlib)(Display *, XErrorEvent *);
308static unsigned int numlockmask = 0;
309static void (*handler[LASTEvent]) (XEvent *) = {
310 [ButtonPress] = buttonpress,
311 [ClientMessage] = clientmessage,
312 [ConfigureRequest] = configurerequest,
313 [ConfigureNotify] = configurenotify,
314 [DestroyNotify] = destroynotify,
315 [EnterNotify] = enternotify,
316 [Expose] = expose,
317 [FocusIn] = focusin,
318 [KeyPress] = keypress,
319 [MappingNotify] = mappingnotify,
320 [MapRequest] = maprequest,
321 [MotionNotify] = motionnotify,
322 [PropertyNotify] = propertynotify,
323 [ResizeRequest] = resizerequest,
324 [UnmapNotify] = unmapnotify
325};
326static Atom wmatom[WMLast], netatom[NetLast], xatom[XLast];
327static int running = 1;
328static Cur *cursor[CurLast];
329static Clr **scheme;
330static Display *dpy;
331static Drw *drw;
332static Monitor *mons, *selmon;
333static Window root, wmcheckwin;
334
335static xcb_connection_t *xcon;
336
337/* configuration, allows nested code to access above variables */
338#include "config.h"
339
340/* compile-time check if all tags fit into an unsigned int bit array. */
341struct NumTags { char limitexceeded[LENGTH(tags) > 31 ? -1 : 1]; };
342
343/* function implementations */
344void
345applyrules(Client *c)
346{
347 const char *class, *instance;
348 unsigned int i;
349 const Rule *r;
350 Monitor *m;
351 XClassHint ch = { NULL, NULL };
352
353 /* rule matching */
354 c->isfloating = 0;
355 c->tags = 0;
356 XGetClassHint(dpy, c->win, &ch);
357 class = ch.res_class ? ch.res_class : broken;
358 instance = ch.res_name ? ch.res_name : broken;
359
360 for (i = 0; i < LENGTH(rules); i++) {
361 r = &rules[i];
362 if ((!r->title || strstr(c->name, r->title))
363 && (!r->class || strstr(class, r->class))
364 && (!r->instance || strstr(instance, r->instance)))
365 {
366 c->isterminal = r->isterminal;
367 c->noswallow = r->noswallow;
368 c->isfloating = r->isfloating;
369 c->tags |= r->tags;
370 for (m = mons; m && m->num != r->monitor; m = m->next);
371 if (m)
372 c->mon = m;
373 }
374 }
375 if (ch.res_class)
376 XFree(ch.res_class);
377 if (ch.res_name)
378 XFree(ch.res_name);
379 c->tags = c->tags & TAGMASK ? c->tags & TAGMASK : c->mon->tagset[c->mon->seltags];
380}
381
382int
383applysizehints(Client *c, int *x, int *y, int *w, int *h, int interact)
384{
385 int baseismin;
386 Monitor *m = c->mon;
387
388 /* set minimum possible */
389 *w = MAX(1, *w);
390 *h = MAX(1, *h);
391 if (interact) {
392 if (*x > sw)
393 *x = sw - WIDTH(c);
394 if (*y > sh)
395 *y = sh - HEIGHT(c);
396 if (*x + *w + 2 * c->bw < 0)
397 *x = 0;
398 if (*y + *h + 2 * c->bw < 0)
399 *y = 0;
400 } else {
401 if (*x >= m->wx + m->ww)
402 *x = m->wx + m->ww - WIDTH(c);
403 if (*y >= m->wy + m->wh)
404 *y = m->wy + m->wh - HEIGHT(c);
405 if (*x + *w + 2 * c->bw <= m->wx)
406 *x = m->wx;
407 if (*y + *h + 2 * c->bw <= m->wy)
408 *y = m->wy;
409 }
410 if (*h < bh)
411 *h = bh;
412 if (*w < bh)
413 *w = bh;
414 if (resizehints || c->isfloating || !c->mon->lt[c->mon->sellt]->arrange) {
415 if (!c->hintsvalid)
416 updatesizehints(c);
417 /* see last two sentences in ICCCM 4.1.2.3 */
418 baseismin = c->basew == c->minw && c->baseh == c->minh;
419 if (!baseismin) { /* temporarily remove base dimensions */
420 *w -= c->basew;
421 *h -= c->baseh;
422 }
423 /* adjust for aspect limits */
424 if (c->mina > 0 && c->maxa > 0) {
425 if (c->maxa < (float)*w / *h)
426 *w = *h * c->maxa + 0.5;
427 else if (c->mina < (float)*h / *w)
428 *h = *w * c->mina + 0.5;
429 }
430 if (baseismin) { /* increment calculation requires this */
431 *w -= c->basew;
432 *h -= c->baseh;
433 }
434 /* adjust for increment value */
435 if (c->incw)
436 *w -= *w % c->incw;
437 if (c->inch)
438 *h -= *h % c->inch;
439 /* restore base dimensions */
440 *w = MAX(*w + c->basew, c->minw);
441 *h = MAX(*h + c->baseh, c->minh);
442 if (c->maxw)
443 *w = MIN(*w, c->maxw);
444 if (c->maxh)
445 *h = MIN(*h, c->maxh);
446 }
447 return *x != c->x || *y != c->y || *w != c->w || *h != c->h;
448}
449
450void
451arrange(Monitor *m)
452{
453 if (m)
454 showhide(m->stack);
455 else for (m = mons; m; m = m->next)
456 showhide(m->stack);
457 if (m) {
458 arrangemon(m);
459 restack(m);
460 } else for (m = mons; m; m = m->next)
461 arrangemon(m);
462}
463
464void
465arrangemon(Monitor *m)
466{
467 strncpy(m->ltsymbol, m->lt[m->sellt]->symbol, sizeof m->ltsymbol);
468 if (m->lt[m->sellt]->arrange)
469 m->lt[m->sellt]->arrange(m);
470}
471
472void
473attach(Client *c)
474{
475 c->next = c->mon->clients;
476 c->mon->clients = c;
477}
478
479void
480attachstack(Client *c)
481{
482 c->snext = c->mon->stack;
483 c->mon->stack = c;
484}
485
486void
487swallow(Client *p, Client *c)
488{
489
490 if (c->noswallow || c->isterminal)
491 return;
492 if (c->noswallow && !swallowfloating && c->isfloating)
493 return;
494
495 detach(c);
496 detachstack(c);
497
498 setclientstate(c, WithdrawnState);
499 XUnmapWindow(dpy, p->win);
500
501 p->swallowing = c;
502 c->mon = p->mon;
503
504 Window w = p->win;
505 p->win = c->win;
506 c->win = w;
507 updatetitle(p);
508 XMoveResizeWindow(dpy, p->win, p->x, p->y, p->w, p->h);
509 arrange(p->mon);
510 configure(p);
511 updateclientlist();
512}
513
514void
515unswallow(Client *c)
516{
517 c->win = c->swallowing->win;
518
519 free(c->swallowing);
520 c->swallowing = NULL;
521
522 /* unfullscreen the client */
523 setfullscreen(c, 0);
524 updatetitle(c);
525 arrange(c->mon);
526 XMapWindow(dpy, c->win);
527 XMoveResizeWindow(dpy, c->win, c->x, c->y, c->w, c->h);
528 setclientstate(c, NormalState);
529 focus(NULL);
530 arrange(c->mon);
531}
532
533void
534buttonpress(XEvent *e)
535{
536 unsigned int i, x, click;
537 Arg arg = {0};
538 Client *c;
539 Monitor *m;
540 XButtonPressedEvent *ev = &e->xbutton;
541
542 click = ClkRootWin;
543 /* focus monitor if necessary */
544 if ((m = wintomon(ev->window)) && m != selmon) {
545 unfocus(selmon->sel, 1);
546 selmon = m;
547 focus(NULL);
548 }
549 if (ev->window == selmon->barwin) {
550 i = x = 0;
551 do
552 x += TEXTW(tags[i]);
553 while (ev->x >= x && ++i < LENGTH(tags));
554 if (i < LENGTH(tags)) {
555 click = ClkTagBar;
556 arg.ui = 1 << i;
557 } else if (ev->x < x + TEXTW(selmon->ltsymbol))
558 click = ClkLtSymbol;
559 else if (ev->x > selmon->ww - (int)TEXTW(stext) - getsystraywidth())
560 click = ClkStatusText;
561 else
562 click = ClkWinTitle;
563 } else if ((c = wintoclient(ev->window))) {
564 focus(c);
565 restack(selmon);
566 XAllowEvents(dpy, ReplayPointer, CurrentTime);
567 click = ClkClientWin;
568 }
569 for (i = 0; i < LENGTH(buttons); i++)
570 if (click == buttons[i].click && buttons[i].func && buttons[i].button == ev->button
571 && CLEANMASK(buttons[i].mask) == CLEANMASK(ev->state))
572 buttons[i].func(click == ClkTagBar && buttons[i].arg.i == 0 ? &arg : &buttons[i].arg);
573}
574
575void
576checkotherwm(void)
577{
578 xerrorxlib = XSetErrorHandler(xerrorstart);
579 /* this causes an error if some other window manager is running */
580 XSelectInput(dpy, DefaultRootWindow(dpy), SubstructureRedirectMask);
581 XSync(dpy, False);
582 XSetErrorHandler(xerror);
583 XSync(dpy, False);
584}
585
586void
587cleanup(void)
588{
589 Arg a = {.ui = ~0};
590 Layout foo = { "", NULL };
591 Monitor *m;
592 size_t i;
593
594 view(&a);
595 selmon->lt[selmon->sellt] = &foo;
596 for (m = mons; m; m = m->next)
597 while (m->stack)
598 unmanage(m->stack, 0);
599 XUngrabKey(dpy, AnyKey, AnyModifier, root);
600 while (mons)
601 cleanupmon(mons);
602
603 if (showsystray) {
604 XUnmapWindow(dpy, systray->win);
605 XDestroyWindow(dpy, systray->win);
606 free(systray);
607 }
608
609 for (i = 0; i < CurLast; i++)
610 drw_cur_free(drw, cursor[i]);
611 for (i = 0; i < LENGTH(colors); i++)
612 free(scheme[i]);
613 free(scheme);
614 XDestroyWindow(dpy, wmcheckwin);
615 drw_free(drw);
616 XSync(dpy, False);
617 XSetInputFocus(dpy, PointerRoot, RevertToPointerRoot, CurrentTime);
618 XDeleteProperty(dpy, root, netatom[NetActiveWindow]);
619}
620
621void
622cleanupmon(Monitor *mon)
623{
624 Monitor *m;
625
626 if (mon == mons)
627 mons = mons->next;
628 else {
629 for (m = mons; m && m->next != mon; m = m->next);
630 m->next = mon->next;
631 }
632 XUnmapWindow(dpy, mon->barwin);
633 XDestroyWindow(dpy, mon->barwin);
634 free(mon);
635}
636
637void
638clientmessage(XEvent *e)
639{
640 XWindowAttributes wa;
641 XSetWindowAttributes swa;
642 XClientMessageEvent *cme = &e->xclient;
643 Client *c = wintoclient(cme->window);
644
645 if (showsystray && cme->window == systray->win && cme->message_type == netatom[NetSystemTrayOP]) {
646 /* add systray icons */
647 if (cme->data.l[1] == SYSTEM_TRAY_REQUEST_DOCK) {
648 if (!(c = (Client *)calloc(1, sizeof(Client))))
649 die("fatal: could not malloc() %u bytes\n", sizeof(Client));
650 if (!(c->win = cme->data.l[2])) {
651 free(c);
652 return;
653 }
654 c->mon = selmon;
655 c->next = systray->icons;
656 systray->icons = c;
657 if (!XGetWindowAttributes(dpy, c->win, &wa)) {
658 /* use sane defaults */
659 wa.width = bh;
660 wa.height = bh;
661 wa.border_width = 0;
662 }
663 c->x = c->oldx = c->y = c->oldy = 0;
664 c->w = c->oldw = wa.width;
665 c->h = c->oldh = wa.height;
666 c->oldbw = wa.border_width;
667 c->bw = 0;
668 c->isfloating = True;
669 /* reuse tags field as mapped status */
670 c->tags = 1;
671 updatesizehints(c);
672 updatesystrayicongeom(c, wa.width, wa.height);
673 XAddToSaveSet(dpy, c->win);
674 XSelectInput(dpy, c->win, StructureNotifyMask | PropertyChangeMask | ResizeRedirectMask);
675 XReparentWindow(dpy, c->win, systray->win, 0, 0);
676 /* use parents background color */
677 swa.background_pixel = scheme[SchemeNorm][ColBg].pixel;
678 XChangeWindowAttributes(dpy, c->win, CWBackPixel, &swa);
679 sendevent(c->win, netatom[Xembed], StructureNotifyMask, CurrentTime, XEMBED_EMBEDDED_NOTIFY, 0 , systray->win, XEMBED_EMBEDDED_VERSION);
680 /* FIXME not sure if I have to send these events, too */
681 sendevent(c->win, netatom[Xembed], StructureNotifyMask, CurrentTime, XEMBED_FOCUS_IN, 0 , systray->win, XEMBED_EMBEDDED_VERSION);
682 sendevent(c->win, netatom[Xembed], StructureNotifyMask, CurrentTime, XEMBED_WINDOW_ACTIVATE, 0 , systray->win, XEMBED_EMBEDDED_VERSION);
683 sendevent(c->win, netatom[Xembed], StructureNotifyMask, CurrentTime, XEMBED_MODALITY_ON, 0 , systray->win, XEMBED_EMBEDDED_VERSION);
684 XSync(dpy, False);
685 resizebarwin(selmon);
686 updatesystray();
687 setclientstate(c, NormalState);
688 }
689 return;
690 }
691
692 if (!c)
693 return;
694 if (cme->message_type == netatom[NetWMState]) {
695 if (cme->data.l[1] == netatom[NetWMFullscreen]
696 || cme->data.l[2] == netatom[NetWMFullscreen])
697 setfullscreen(c, (cme->data.l[0] == 1 /* _NET_WM_STATE_ADD */
698 || (cme->data.l[0] == 2 /* _NET_WM_STATE_TOGGLE */ && !c->isfullscreen)));
699 } else if (cme->message_type == netatom[NetActiveWindow]) {
700 if (c != selmon->sel && !c->isurgent)
701 seturgent(c, 1);
702 }
703}
704
705void
706configure(Client *c)
707{
708 XConfigureEvent ce;
709
710 ce.type = ConfigureNotify;
711 ce.display = dpy;
712 ce.event = c->win;
713 ce.window = c->win;
714 ce.x = c->x;
715 ce.y = c->y;
716 ce.width = c->w;
717 ce.height = c->h;
718 ce.border_width = c->bw;
719 ce.above = None;
720 ce.override_redirect = False;
721 XSendEvent(dpy, c->win, False, StructureNotifyMask, (XEvent *)&ce);
722}
723
724void
725configurenotify(XEvent *e)
726{
727 Monitor *m;
728 Client *c;
729 XConfigureEvent *ev = &e->xconfigure;
730 int dirty;
731
732 /* TODO: updategeom handling sucks, needs to be simplified */
733 if (ev->window == root) {
734 dirty = (sw != ev->width || sh != ev->height);
735 sw = ev->width;
736 sh = ev->height;
737 if (updategeom() || dirty) {
738 drw_resize(drw, sw, bh);
739 updatebars();
740 for (m = mons; m; m = m->next) {
741 for (c = m->clients; c; c = c->next)
742 if (c->isfullscreen)
743 resizeclient(c, m->mx, m->my, m->mw, m->mh);
744 resizebarwin(m);
745 }
746 focus(NULL);
747 arrange(NULL);
748 }
749 }
750}
751
752void
753configurerequest(XEvent *e)
754{
755 Client *c;
756 Monitor *m;
757 XConfigureRequestEvent *ev = &e->xconfigurerequest;
758 XWindowChanges wc;
759
760 if ((c = wintoclient(ev->window))) {
761 if (ev->value_mask & CWBorderWidth)
762 c->bw = ev->border_width;
763 else if (c->isfloating || !selmon->lt[selmon->sellt]->arrange) {
764 m = c->mon;
765 if (ev->value_mask & CWX) {
766 c->oldx = c->x;
767 c->x = m->mx + ev->x;
768 }
769 if (ev->value_mask & CWY) {
770 c->oldy = c->y;
771 c->y = m->my + ev->y;
772 }
773 if (ev->value_mask & CWWidth) {
774 c->oldw = c->w;
775 c->w = ev->width;
776 }
777 if (ev->value_mask & CWHeight) {
778 c->oldh = c->h;
779 c->h = ev->height;
780 }
781 if ((c->x + c->w) > m->mx + m->mw && c->isfloating)
782 c->x = m->mx + (m->mw / 2 - WIDTH(c) / 2); /* center in x direction */
783 if ((c->y + c->h) > m->my + m->mh && c->isfloating)
784 c->y = m->my + (m->mh / 2 - HEIGHT(c) / 2); /* center in y direction */
785 if ((ev->value_mask & (CWX|CWY)) && !(ev->value_mask & (CWWidth|CWHeight)))
786 configure(c);
787 if (ISVISIBLE(c))
788 XMoveResizeWindow(dpy, c->win, c->x, c->y, c->w, c->h);
789 } else
790 configure(c);
791 } else {
792 wc.x = ev->x;
793 wc.y = ev->y;
794 wc.width = ev->width;
795 wc.height = ev->height;
796 wc.border_width = ev->border_width;
797 wc.sibling = ev->above;
798 wc.stack_mode = ev->detail;
799 XConfigureWindow(dpy, ev->window, ev->value_mask, &wc);
800 }
801 XSync(dpy, False);
802}
803
804Monitor *
805createmon(void)
806{
807 Monitor *m;
808
809 m = ecalloc(1, sizeof(Monitor));
810 m->tagset[0] = m->tagset[1] = 1;
811 m->mfact = mfact;
812 m->nmaster = nmaster;
813 m->showbar = showbar;
814 m->topbar = topbar;
815 m->gappih = gappih;
816 m->gappiv = gappiv;
817 m->gappoh = gappoh;
818 m->gappov = gappov;
819 m->lt[0] = &layouts[0];
820 m->lt[1] = &layouts[1 % LENGTH(layouts)];
821 strncpy(m->ltsymbol, layouts[0].symbol, sizeof m->ltsymbol);
822 return m;
823}
824
825void
826destroynotify(XEvent *e)
827{
828 Client *c;
829 XDestroyWindowEvent *ev = &e->xdestroywindow;
830
831 if ((c = wintoclient(ev->window)))
832 unmanage(c, 1);
833 else if ((c = wintosystrayicon(ev->window))) {
834 removesystrayicon(c);
835 resizebarwin(selmon);
836 updatesystray();
837 }
838 else if ((c = swallowingclient(ev->window)))
839 unmanage(c->swallowing, 1);
840}
841
842void
843detach(Client *c)
844{
845 Client **tc;
846
847 for (tc = &c->mon->clients; *tc && *tc != c; tc = &(*tc)->next);
848 *tc = c->next;
849}
850
851void
852detachstack(Client *c)
853{
854 Client **tc, *t;
855
856 for (tc = &c->mon->stack; *tc && *tc != c; tc = &(*tc)->snext);
857 *tc = c->snext;
858
859 if (c == c->mon->sel) {
860 for (t = c->mon->stack; t && !ISVISIBLE(t); t = t->snext);
861 c->mon->sel = t;
862 }
863}
864
865Monitor *
866dirtomon(int dir)
867{
868 Monitor *m = NULL;
869
870 if (dir > 0) {
871 if (!(m = selmon->next))
872 m = mons;
873 } else if (selmon == mons)
874 for (m = mons; m->next; m = m->next);
875 else
876 for (m = mons; m->next != selmon; m = m->next);
877 return m;
878}
879
880void
881drawbar(Monitor *m)
882{
883 int x, w, tw = 0, stw = 0;
884 int boxs = drw->fonts->h / 9;
885 int boxw = drw->fonts->h / 6 + 2;
886 unsigned int i, occ = 0, urg = 0;
887 Client *c;
888
889 if (!m->showbar)
890 return;
891
892 if(showsystray && m == systraytomon(m) && !systrayonleft)
893 stw = getsystraywidth();
894
895 /* draw status first so it can be overdrawn by tags later */
896 if (m == selmon) { /* status is only drawn on selected monitor */
897 drw_setscheme(drw, scheme[SchemeNorm]);
898 tw = TEXTW(stext) - lrpad / 2 + 2; /* 2px extra right padding */
899 drw_text(drw, m->ww - tw - stw, 0, tw, bh, lrpad / 2 - 2, stext, 0);
900 }
901
902 resizebarwin(m);
903 for (c = m->clients; c; c = c->next) {
904 occ |= c->tags;
905 if (c->isurgent)
906 urg |= c->tags;
907 }
908 x = 0;
909 for (i = 0; i < LENGTH(tags); i++) {
910 w = TEXTW(tags[i]);
911 drw_setscheme(drw, scheme[m->tagset[m->seltags] & 1 << i ? SchemeSel : SchemeNorm]);
912 drw_text(drw, x, 0, w, bh, lrpad / 2, tags[i], urg & 1 << i);
913 if (occ & 1 << i)
914 drw_rect(drw, x + boxs, boxs, boxw, boxw,
915 m == selmon && selmon->sel && selmon->sel->tags & 1 << i,
916 urg & 1 << i);
917 x += w;
918 }
919 w = TEXTW(m->ltsymbol);
920 drw_setscheme(drw, scheme[SchemeNorm]);
921 x = drw_text(drw, x, 0, w, bh, lrpad / 2, m->ltsymbol, 0);
922
923 if ((w = m->ww - tw - stw - x) > bh) {
924 if (m->sel) {
925 drw_setscheme(drw, scheme[m == selmon ? SchemeSel : SchemeNorm]);
926 drw_text(drw, x, 0, w, bh, lrpad / 2, m->sel->name, 0);
927 if (m->sel->isfloating)
928 drw_rect(drw, x + boxs, boxs, boxw, boxw, m->sel->isfixed, 0);
929 } else {
930 drw_setscheme(drw, scheme[SchemeNorm]);
931 drw_rect(drw, x, 0, w, bh, 1, 1);
932 }
933 }
934 drw_map(drw, m->barwin, 0, 0, m->ww - stw, bh);
935}
936
937void
938drawbars(void)
939{
940 Monitor *m;
941
942 for (m = mons; m; m = m->next)
943 drawbar(m);
944}
945
946void
947enternotify(XEvent *e)
948{
949 Client *c;
950 Monitor *m;
951 XCrossingEvent *ev = &e->xcrossing;
952
953 if ((ev->mode != NotifyNormal || ev->detail == NotifyInferior) && ev->window != root)
954 return;
955 c = wintoclient(ev->window);
956 m = c ? c->mon : wintomon(ev->window);
957 if (m != selmon) {
958 unfocus(selmon->sel, 1);
959 selmon = m;
960 } else if (!c || c == selmon->sel)
961 return;
962 focus(c);
963}
964
965void
966expose(XEvent *e)
967{
968 Monitor *m;
969 XExposeEvent *ev = &e->xexpose;
970
971 if (ev->count == 0 && (m = wintomon(ev->window))) {
972 drawbar(m);
973 if (m == selmon)
974 updatesystray();
975 }
976}
977
978void
979focus(Client *c)
980{
981 if (!c || !ISVISIBLE(c))
982 for (c = selmon->stack; c && !ISVISIBLE(c); c = c->snext);
983 if (selmon->sel && selmon->sel != c)
984 unfocus(selmon->sel, 0);
985 if (c) {
986 if (c->mon != selmon)
987 selmon = c->mon;
988 if (c->isurgent)
989 seturgent(c, 0);
990 detachstack(c);
991 attachstack(c);
992 grabbuttons(c, 1);
993 XSetWindowBorder(dpy, c->win, scheme[SchemeSel][ColBorder].pixel);
994 setfocus(c);
995 } else {
996 XSetInputFocus(dpy, root, RevertToPointerRoot, CurrentTime);
997 XDeleteProperty(dpy, root, netatom[NetActiveWindow]);
998 }
999 selmon->sel = c;
1000 drawbars();
1001}
1002
1003/* there are some broken focus acquiring clients needing extra handling */
1004void
1005focusin(XEvent *e)
1006{
1007 XFocusChangeEvent *ev = &e->xfocus;
1008
1009 if (selmon->sel && ev->window != selmon->sel->win)
1010 setfocus(selmon->sel);
1011}
1012
1013void
1014focusmon(const Arg *arg)
1015{
1016 Monitor *m;
1017
1018 if (!mons->next)
1019 return;
1020 if ((m = dirtomon(arg->i)) == selmon)
1021 return;
1022 unfocus(selmon->sel, 0);
1023 selmon = m;
1024 focus(NULL);
1025}
1026
1027void
1028focusstack(const Arg *arg)
1029{
1030 Client *c = NULL, *i;
1031
1032 if (!selmon->sel || (selmon->sel->isfullscreen && lockfullscreen))
1033 return;
1034 if (arg->i > 0) {
1035 for (c = selmon->sel->next; c && !ISVISIBLE(c); c = c->next);
1036 if (!c)
1037 for (c = selmon->clients; c && !ISVISIBLE(c); c = c->next);
1038 } else {
1039 for (i = selmon->clients; i != selmon->sel; i = i->next)
1040 if (ISVISIBLE(i))
1041 c = i;
1042 if (!c)
1043 for (; i; i = i->next)
1044 if (ISVISIBLE(i))
1045 c = i;
1046 }
1047 if (c) {
1048 focus(c);
1049 restack(selmon);
1050 }
1051}
1052
1053Atom
1054getatomprop(Client *c, Atom prop)
1055{
1056 int di;
1057 unsigned long dl;
1058 unsigned char *p = NULL;
1059 Atom da, atom = None;
1060
1061 /* FIXME getatomprop should return the number of items and a pointer to
1062 * the stored data instead of this workaround */
1063 Atom req = XA_ATOM;
1064 if (prop == xatom[XembedInfo])
1065 req = xatom[XembedInfo];
1066
1067 if (XGetWindowProperty(dpy, c->win, prop, 0L, sizeof atom, False, req,
1068 &da, &di, &dl, &dl, &p) == Success && p) {
1069 atom = *(Atom *)p;
1070 if (da == xatom[XembedInfo] && dl == 2)
1071 atom = ((Atom *)p)[1];
1072 XFree(p);
1073 }
1074 return atom;
1075}
1076
1077unsigned int
1078getsystraywidth()
1079{
1080 unsigned int w = 0;
1081 Client *i;
1082 if(showsystray)
1083 for(i = systray->icons; i; w += i->w + systrayspacing, i = i->next) ;
1084 return w ? w + systrayspacing : 1;
1085}
1086
1087int
1088getrootptr(int *x, int *y)
1089{
1090 int di;
1091 unsigned int dui;
1092 Window dummy;
1093
1094 return XQueryPointer(dpy, root, &dummy, &dummy, x, y, &di, &di, &dui);
1095}
1096
1097long
1098getstate(Window w)
1099{
1100 int format;
1101 long result = -1;
1102 unsigned char *p = NULL;
1103 unsigned long n, extra;
1104 Atom real;
1105
1106 if (XGetWindowProperty(dpy, w, wmatom[WMState], 0L, 2L, False, wmatom[WMState],
1107 &real, &format, &n, &extra, (unsigned char **)&p) != Success)
1108 return -1;
1109 if (n != 0)
1110 result = *p;
1111 XFree(p);
1112 return result;
1113}
1114
1115int
1116gettextprop(Window w, Atom atom, char *text, unsigned int size)
1117{
1118 char **list = NULL;
1119 int n;
1120 XTextProperty name;
1121
1122 if (!text || size == 0)
1123 return 0;
1124 text[0] = '\0';
1125 if (!XGetTextProperty(dpy, w, &name, atom) || !name.nitems)
1126 return 0;
1127 if (name.encoding == XA_STRING) {
1128 strncpy(text, (char *)name.value, size - 1);
1129 } else if (XmbTextPropertyToTextList(dpy, &name, &list, &n) >= Success && n > 0 && *list) {
1130 strncpy(text, *list, size - 1);
1131 XFreeStringList(list);
1132 }
1133 text[size - 1] = '\0';
1134 XFree(name.value);
1135 return 1;
1136}
1137
1138void
1139grabbuttons(Client *c, int focused)
1140{
1141 updatenumlockmask();
1142 {
1143 unsigned int i, j;
1144 unsigned int modifiers[] = { 0, LockMask, numlockmask, numlockmask|LockMask };
1145 XUngrabButton(dpy, AnyButton, AnyModifier, c->win);
1146 if (!focused)
1147 XGrabButton(dpy, AnyButton, AnyModifier, c->win, False,
1148 BUTTONMASK, GrabModeSync, GrabModeSync, None, None);
1149 for (i = 0; i < LENGTH(buttons); i++)
1150 if (buttons[i].click == ClkClientWin)
1151 for (j = 0; j < LENGTH(modifiers); j++)
1152 XGrabButton(dpy, buttons[i].button,
1153 buttons[i].mask | modifiers[j],
1154 c->win, False, BUTTONMASK,
1155 GrabModeAsync, GrabModeSync, None, None);
1156 }
1157}
1158
1159void
1160grabkeys(void)
1161{
1162 updatenumlockmask();
1163 {
1164 unsigned int i, j, k;
1165 unsigned int modifiers[] = { 0, LockMask, numlockmask, numlockmask|LockMask };
1166 int start, end, skip;
1167 KeySym *syms;
1168
1169 XUngrabKey(dpy, AnyKey, AnyModifier, root);
1170 XDisplayKeycodes(dpy, &start, &end);
1171 syms = XGetKeyboardMapping(dpy, start, end - start + 1, &skip);
1172 if (!syms)
1173 return;
1174 for (k = start; k <= end; k++)
1175 for (i = 0; i < LENGTH(keys); i++)
1176 /* skip modifier codes, we do that ourselves */
1177 if (keys[i].keysym == syms[(k - start) * skip])
1178 for (j = 0; j < LENGTH(modifiers); j++)
1179 XGrabKey(dpy, k,
1180 keys[i].mod | modifiers[j],
1181 root, True,
1182 GrabModeAsync, GrabModeAsync);
1183 XFree(syms);
1184 }
1185}
1186
1187void
1188incnmaster(const Arg *arg)
1189{
1190 selmon->nmaster = MAX(selmon->nmaster + arg->i, 0);
1191 arrange(selmon);
1192}
1193
1194#ifdef XINERAMA
1195static int
1196isuniquegeom(XineramaScreenInfo *unique, size_t n, XineramaScreenInfo *info)
1197{
1198 while (n--)
1199 if (unique[n].x_org == info->x_org && unique[n].y_org == info->y_org
1200 && unique[n].width == info->width && unique[n].height == info->height)
1201 return 0;
1202 return 1;
1203}
1204#endif /* XINERAMA */
1205
1206void
1207keypress(XEvent *e)
1208{
1209 unsigned int i;
1210 KeySym keysym;
1211 XKeyEvent *ev;
1212
1213 ev = &e->xkey;
1214 keysym = XKeycodeToKeysym(dpy, (KeyCode)ev->keycode, 0);
1215 for (i = 0; i < LENGTH(keys); i++)
1216 if (keysym == keys[i].keysym
1217 && CLEANMASK(keys[i].mod) == CLEANMASK(ev->state)
1218 && keys[i].func)
1219 keys[i].func(&(keys[i].arg));
1220}
1221
1222void
1223killclient(const Arg *arg)
1224{
1225 if (!selmon->sel)
1226 return;
1227
1228 if (!sendevent(selmon->sel->win, wmatom[WMDelete], NoEventMask, wmatom[WMDelete], CurrentTime, 0 , 0, 0)) {
1229 XGrabServer(dpy);
1230 XSetErrorHandler(xerrordummy);
1231 XSetCloseDownMode(dpy, DestroyAll);
1232 XKillClient(dpy, selmon->sel->win);
1233 XSync(dpy, False);
1234 XSetErrorHandler(xerror);
1235 XUngrabServer(dpy);
1236 }
1237}
1238
1239void
1240manage(Window w, XWindowAttributes *wa)
1241{
1242 Client *c, *t = NULL, *term = NULL;
1243 Window trans = None;
1244 XWindowChanges wc;
1245
1246 c = ecalloc(1, sizeof(Client));
1247 c->win = w;
1248 c->pid = winpid(w);
1249 /* geometry */
1250 c->x = c->oldx = wa->x;
1251 c->y = c->oldy = wa->y;
1252 c->w = c->oldw = wa->width;
1253 c->h = c->oldh = wa->height;
1254 c->oldbw = wa->border_width;
1255
1256 updatetitle(c);
1257 if (XGetTransientForHint(dpy, w, &trans) && (t = wintoclient(trans))) {
1258 c->mon = t->mon;
1259 c->tags = t->tags;
1260 } else {
1261 c->mon = selmon;
1262 applyrules(c);
1263 term = termforwin(c);
1264 }
1265
1266 if (c->x + WIDTH(c) > c->mon->wx + c->mon->ww)
1267 c->x = c->mon->wx + c->mon->ww - WIDTH(c);
1268 if (c->y + HEIGHT(c) > c->mon->wy + c->mon->wh)
1269 c->y = c->mon->wy + c->mon->wh - HEIGHT(c);
1270 c->x = MAX(c->x, c->mon->wx);
1271 c->y = MAX(c->y, c->mon->wy);
1272 c->bw = borderpx;
1273
1274 wc.border_width = c->bw;
1275 XConfigureWindow(dpy, w, CWBorderWidth, &wc);
1276 XSetWindowBorder(dpy, w, scheme[SchemeNorm][ColBorder].pixel);
1277 configure(c); /* propagates border_width, if size doesn't change */
1278 updatewindowtype(c);
1279 updatesizehints(c);
1280 updatewmhints(c);
1281 XSelectInput(dpy, w, EnterWindowMask|FocusChangeMask|PropertyChangeMask|StructureNotifyMask);
1282 grabbuttons(c, 0);
1283 if (!c->isfloating)
1284 c->isfloating = c->oldstate = trans != None || c->isfixed;
1285 if (c->isfloating)
1286 XRaiseWindow(dpy, c->win);
1287 attach(c);
1288 attachstack(c);
1289 XChangeProperty(dpy, root, netatom[NetClientList], XA_WINDOW, 32, PropModeAppend,
1290 (unsigned char *) &(c->win), 1);
1291 XMoveResizeWindow(dpy, c->win, c->x + 2 * sw, c->y, c->w, c->h); /* some windows require this */
1292 setclientstate(c, NormalState);
1293 if (c->mon == selmon)
1294 unfocus(selmon->sel, 0);
1295 c->mon->sel = c;
1296 arrange(c->mon);
1297 XMapWindow(dpy, c->win);
1298 if (term)
1299 swallow(term, c);
1300 focus(NULL);
1301}
1302
1303void
1304mappingnotify(XEvent *e)
1305{
1306 XMappingEvent *ev = &e->xmapping;
1307
1308 XRefreshKeyboardMapping(ev);
1309 if (ev->request == MappingKeyboard)
1310 grabkeys();
1311}
1312
1313void
1314maprequest(XEvent *e)
1315{
1316 static XWindowAttributes wa;
1317 XMapRequestEvent *ev = &e->xmaprequest;
1318
1319 Client *i;
1320 if ((i = wintosystrayicon(ev->window))) {
1321 sendevent(i->win, netatom[Xembed], StructureNotifyMask, CurrentTime, XEMBED_WINDOW_ACTIVATE, 0, systray->win, XEMBED_EMBEDDED_VERSION);
1322 resizebarwin(selmon);
1323 updatesystray();
1324 }
1325
1326 if (!XGetWindowAttributes(dpy, ev->window, &wa) || wa.override_redirect)
1327 return;
1328 if (!wintoclient(ev->window))
1329 manage(ev->window, &wa);
1330}
1331
1332void
1333monocle(Monitor *m)
1334{
1335 unsigned int n = 0;
1336 Client *c;
1337
1338 for (c = m->clients; c; c = c->next)
1339 if (ISVISIBLE(c))
1340 n++;
1341 if (n > 0) /* override layout symbol */
1342 snprintf(m->ltsymbol, sizeof m->ltsymbol, "[%d]", n);
1343 for (c = nexttiled(m->clients); c; c = nexttiled(c->next))
1344 resize(c, m->wx, m->wy, m->ww - 2 * c->bw, m->wh - 2 * c->bw, 0);
1345}
1346
1347void
1348motionnotify(XEvent *e)
1349{
1350 static Monitor *mon = NULL;
1351 Monitor *m;
1352 XMotionEvent *ev = &e->xmotion;
1353
1354 if (ev->window != root)
1355 return;
1356 if ((m = recttomon(ev->x_root, ev->y_root, 1, 1)) != mon && mon) {
1357 unfocus(selmon->sel, 1);
1358 selmon = m;
1359 focus(NULL);
1360 }
1361 mon = m;
1362}
1363
1364void
1365movemouse(const Arg *arg)
1366{
1367 int x, y, ocx, ocy, nx, ny;
1368 Client *c;
1369 Monitor *m;
1370 XEvent ev;
1371 Time lasttime = 0;
1372
1373 if (!(c = selmon->sel))
1374 return;
1375 if (c->isfullscreen) /* no support moving fullscreen windows by mouse */
1376 return;
1377 restack(selmon);
1378 ocx = c->x;
1379 ocy = c->y;
1380 if (XGrabPointer(dpy, root, False, MOUSEMASK, GrabModeAsync, GrabModeAsync,
1381 None, cursor[CurMove]->cursor, CurrentTime) != GrabSuccess)
1382 return;
1383 if (!getrootptr(&x, &y))
1384 return;
1385 do {
1386 XMaskEvent(dpy, MOUSEMASK|ExposureMask|SubstructureRedirectMask, &ev);
1387 switch(ev.type) {
1388 case ConfigureRequest:
1389 case Expose:
1390 case MapRequest:
1391 handler[ev.type](&ev);
1392 break;
1393 case MotionNotify:
1394 if ((ev.xmotion.time - lasttime) <= (1000 / 60))
1395 continue;
1396 lasttime = ev.xmotion.time;
1397
1398 nx = ocx + (ev.xmotion.x - x);
1399 ny = ocy + (ev.xmotion.y - y);
1400 if (abs(selmon->wx - nx) < snap)
1401 nx = selmon->wx;
1402 else if (abs((selmon->wx + selmon->ww) - (nx + WIDTH(c))) < snap)
1403 nx = selmon->wx + selmon->ww - WIDTH(c);
1404 if (abs(selmon->wy - ny) < snap)
1405 ny = selmon->wy;
1406 else if (abs((selmon->wy + selmon->wh) - (ny + HEIGHT(c))) < snap)
1407 ny = selmon->wy + selmon->wh - HEIGHT(c);
1408 if (!c->isfloating && selmon->lt[selmon->sellt]->arrange
1409 && (abs(nx - c->x) > snap || abs(ny - c->y) > snap))
1410 togglefloating(NULL);
1411 if (!selmon->lt[selmon->sellt]->arrange || c->isfloating)
1412 resize(c, nx, ny, c->w, c->h, 1);
1413 break;
1414 }
1415 } while (ev.type != ButtonRelease);
1416 XUngrabPointer(dpy, CurrentTime);
1417 if ((m = recttomon(c->x, c->y, c->w, c->h)) != selmon) {
1418 sendmon(c, m);
1419 selmon = m;
1420 focus(NULL);
1421 }
1422}
1423
1424Client *
1425nexttiled(Client *c)
1426{
1427 for (; c && (c->isfloating || !ISVISIBLE(c)); c = c->next);
1428 return c;
1429}
1430
1431void
1432pop(Client *c)
1433{
1434 detach(c);
1435 attach(c);
1436 focus(c);
1437 arrange(c->mon);
1438}
1439
1440void
1441propertynotify(XEvent *e)
1442{
1443 Client *c;
1444 Window trans;
1445 XPropertyEvent *ev = &e->xproperty;
1446
1447 if ((c = wintosystrayicon(ev->window))) {
1448 if (ev->atom == XA_WM_NORMAL_HINTS) {
1449 updatesizehints(c);
1450 updatesystrayicongeom(c, c->w, c->h);
1451 }
1452 else
1453 updatesystrayiconstate(c, ev);
1454 resizebarwin(selmon);
1455 updatesystray();
1456 }
1457
1458 if ((ev->window == root) && (ev->atom == XA_WM_NAME))
1459 updatestatus();
1460 else if (ev->state == PropertyDelete)
1461 return; /* ignore */
1462 else if ((c = wintoclient(ev->window))) {
1463 switch(ev->atom) {
1464 default: break;
1465 case XA_WM_TRANSIENT_FOR:
1466 if (!c->isfloating && (XGetTransientForHint(dpy, c->win, &trans)) &&
1467 (c->isfloating = (wintoclient(trans)) != NULL))
1468 arrange(c->mon);
1469 break;
1470 case XA_WM_NORMAL_HINTS:
1471 c->hintsvalid = 0;
1472 break;
1473 case XA_WM_HINTS:
1474 updatewmhints(c);
1475 drawbars();
1476 break;
1477 }
1478 if (ev->atom == XA_WM_NAME || ev->atom == netatom[NetWMName]) {
1479 updatetitle(c);
1480 if (c == c->mon->sel)
1481 drawbar(c->mon);
1482 }
1483 if (ev->atom == netatom[NetWMWindowType])
1484 updatewindowtype(c);
1485 }
1486}
1487
1488void
1489quit(const Arg *arg)
1490{
1491 running = 0;
1492}
1493
1494Monitor *
1495recttomon(int x, int y, int w, int h)
1496{
1497 Monitor *m, *r = selmon;
1498 int a, area = 0;
1499
1500 for (m = mons; m; m = m->next)
1501 if ((a = INTERSECT(x, y, w, h, m)) > area) {
1502 area = a;
1503 r = m;
1504 }
1505 return r;
1506}
1507
1508void
1509removesystrayicon(Client *i)
1510{
1511 Client **ii;
1512
1513 if (!showsystray || !i)
1514 return;
1515 for (ii = &systray->icons; *ii && *ii != i; ii = &(*ii)->next);
1516 if (ii)
1517 *ii = i->next;
1518 free(i);
1519}
1520
1521void
1522resize(Client *c, int x, int y, int w, int h, int interact)
1523{
1524 if (applysizehints(c, &x, &y, &w, &h, interact))
1525 resizeclient(c, x, y, w, h);
1526}
1527
1528void
1529resizebarwin(Monitor *m) {
1530 unsigned int w = m->ww;
1531 if (showsystray && m == systraytomon(m) && !systrayonleft)
1532 w -= getsystraywidth();
1533 XMoveResizeWindow(dpy, m->barwin, m->wx, m->by, w, bh);
1534}
1535
1536void
1537resizeclient(Client *c, int x, int y, int w, int h)
1538{
1539 XWindowChanges wc;
1540
1541 c->oldx = c->x; c->x = wc.x = x;
1542 c->oldy = c->y; c->y = wc.y = y;
1543 c->oldw = c->w; c->w = wc.width = w;
1544 c->oldh = c->h; c->h = wc.height = h;
1545 wc.border_width = c->bw;
1546 XConfigureWindow(dpy, c->win, CWX|CWY|CWWidth|CWHeight|CWBorderWidth, &wc);
1547 configure(c);
1548 XSync(dpy, False);
1549}
1550
1551void
1552resizerequest(XEvent *e)
1553{
1554 XResizeRequestEvent *ev = &e->xresizerequest;
1555 Client *i;
1556
1557 if ((i = wintosystrayicon(ev->window))) {
1558 updatesystrayicongeom(i, ev->width, ev->height);
1559 resizebarwin(selmon);
1560 updatesystray();
1561 }
1562}
1563
1564void
1565resizemouse(const Arg *arg)
1566{
1567 int ocx, ocy, nw, nh;
1568 Client *c;
1569 Monitor *m;
1570 XEvent ev;
1571 Time lasttime = 0;
1572
1573 if (!(c = selmon->sel))
1574 return;
1575 if (c->isfullscreen) /* no support resizing fullscreen windows by mouse */
1576 return;
1577 restack(selmon);
1578 ocx = c->x;
1579 ocy = c->y;
1580 if (XGrabPointer(dpy, root, False, MOUSEMASK, GrabModeAsync, GrabModeAsync,
1581 None, cursor[CurResize]->cursor, CurrentTime) != GrabSuccess)
1582 return;
1583 XWarpPointer(dpy, None, c->win, 0, 0, 0, 0, c->w + c->bw - 1, c->h + c->bw - 1);
1584 do {
1585 XMaskEvent(dpy, MOUSEMASK|ExposureMask|SubstructureRedirectMask, &ev);
1586 switch(ev.type) {
1587 case ConfigureRequest:
1588 case Expose:
1589 case MapRequest:
1590 handler[ev.type](&ev);
1591 break;
1592 case MotionNotify:
1593 if ((ev.xmotion.time - lasttime) <= (1000 / 60))
1594 continue;
1595 lasttime = ev.xmotion.time;
1596
1597 nw = MAX(ev.xmotion.x - ocx - 2 * c->bw + 1, 1);
1598 nh = MAX(ev.xmotion.y - ocy - 2 * c->bw + 1, 1);
1599 if (c->mon->wx + nw >= selmon->wx && c->mon->wx + nw <= selmon->wx + selmon->ww
1600 && c->mon->wy + nh >= selmon->wy && c->mon->wy + nh <= selmon->wy + selmon->wh)
1601 {
1602 if (!c->isfloating && selmon->lt[selmon->sellt]->arrange
1603 && (abs(nw - c->w) > snap || abs(nh - c->h) > snap))
1604 togglefloating(NULL);
1605 }
1606 if (!selmon->lt[selmon->sellt]->arrange || c->isfloating)
1607 resize(c, c->x, c->y, nw, nh, 1);
1608 break;
1609 }
1610 } while (ev.type != ButtonRelease);
1611 XWarpPointer(dpy, None, c->win, 0, 0, 0, 0, c->w + c->bw - 1, c->h + c->bw - 1);
1612 XUngrabPointer(dpy, CurrentTime);
1613 while (XCheckMaskEvent(dpy, EnterWindowMask, &ev));
1614 if ((m = recttomon(c->x, c->y, c->w, c->h)) != selmon) {
1615 sendmon(c, m);
1616 selmon = m;
1617 focus(NULL);
1618 }
1619}
1620
1621void
1622restack(Monitor *m)
1623{
1624 Client *c;
1625 XEvent ev;
1626 XWindowChanges wc;
1627
1628 drawbar(m);
1629 if (!m->sel)
1630 return;
1631 if (m->sel->isfloating || !m->lt[m->sellt]->arrange)
1632 XRaiseWindow(dpy, m->sel->win);
1633 if (m->lt[m->sellt]->arrange) {
1634 wc.stack_mode = Below;
1635 wc.sibling = m->barwin;
1636 for (c = m->stack; c; c = c->snext)
1637 if (!c->isfloating && ISVISIBLE(c)) {
1638 XConfigureWindow(dpy, c->win, CWSibling|CWStackMode, &wc);
1639 wc.sibling = c->win;
1640 }
1641 }
1642 XSync(dpy, False);
1643 while (XCheckMaskEvent(dpy, EnterWindowMask, &ev));
1644}
1645
1646void
1647run(void)
1648{
1649 XEvent ev;
1650 /* main event loop */
1651 XSync(dpy, False);
1652 while (running && !XNextEvent(dpy, &ev))
1653 if (handler[ev.type])
1654 handler[ev.type](&ev); /* call handler */
1655}
1656
1657void
1658scan(void)
1659{
1660 unsigned int i, num;
1661 Window d1, d2, *wins = NULL;
1662 XWindowAttributes wa;
1663
1664 if (XQueryTree(dpy, root, &d1, &d2, &wins, &num)) {
1665 for (i = 0; i < num; i++) {
1666 if (!XGetWindowAttributes(dpy, wins[i], &wa)
1667 || wa.override_redirect || XGetTransientForHint(dpy, wins[i], &d1))
1668 continue;
1669 if (wa.map_state == IsViewable || getstate(wins[i]) == IconicState)
1670 manage(wins[i], &wa);
1671 }
1672 for (i = 0; i < num; i++) { /* now the transients */
1673 if (!XGetWindowAttributes(dpy, wins[i], &wa))
1674 continue;
1675 if (XGetTransientForHint(dpy, wins[i], &d1)
1676 && (wa.map_state == IsViewable || getstate(wins[i]) == IconicState))
1677 manage(wins[i], &wa);
1678 }
1679 if (wins)
1680 XFree(wins);
1681 }
1682}
1683
1684void
1685sendmon(Client *c, Monitor *m)
1686{
1687 if (c->mon == m)
1688 return;
1689 unfocus(c, 1);
1690 detach(c);
1691 detachstack(c);
1692 c->mon = m;
1693 c->tags = m->tagset[m->seltags]; /* assign tags of target monitor */
1694 attach(c);
1695 attachstack(c);
1696 focus(NULL);
1697 arrange(NULL);
1698}
1699
1700void
1701setclientstate(Client *c, long state)
1702{
1703 long data[] = { state, None };
1704
1705 XChangeProperty(dpy, c->win, wmatom[WMState], wmatom[WMState], 32,
1706 PropModeReplace, (unsigned char *)data, 2);
1707}
1708
1709int
1710sendevent(Window w, Atom proto, int mask, long d0, long d1, long d2, long d3, long d4)
1711{
1712 int n;
1713 Atom *protocols, mt;
1714 int exists = 0;
1715 XEvent ev;
1716
1717 if (proto == wmatom[WMTakeFocus] || proto == wmatom[WMDelete]) {
1718 mt = wmatom[WMProtocols];
1719 if (XGetWMProtocols(dpy, w, &protocols, &n)) {
1720 while (!exists && n--)
1721 exists = protocols[n] == proto;
1722 XFree(protocols);
1723 }
1724 }
1725 else {
1726 exists = True;
1727 mt = proto;
1728 }
1729
1730 if (exists) {
1731 ev.type = ClientMessage;
1732 ev.xclient.window = w;
1733 ev.xclient.message_type = mt;
1734 ev.xclient.format = 32;
1735 ev.xclient.data.l[0] = d0;
1736 ev.xclient.data.l[1] = d1;
1737 ev.xclient.data.l[2] = d2;
1738 ev.xclient.data.l[3] = d3;
1739 ev.xclient.data.l[4] = d4;
1740 XSendEvent(dpy, w, False, mask, &ev);
1741 }
1742 return exists;
1743}
1744
1745void
1746setfocus(Client *c)
1747{
1748 if (!c->neverfocus) {
1749 XSetInputFocus(dpy, c->win, RevertToPointerRoot, CurrentTime);
1750 XChangeProperty(dpy, root, netatom[NetActiveWindow],
1751 XA_WINDOW, 32, PropModeReplace,
1752 (unsigned char *) &(c->win), 1);
1753 }
1754 sendevent(c->win, wmatom[WMTakeFocus], NoEventMask, wmatom[WMTakeFocus], CurrentTime, 0, 0, 0);
1755}
1756
1757void
1758setfullscreen(Client *c, int fullscreen)
1759{
1760 if (fullscreen && !c->isfullscreen) {
1761 XChangeProperty(dpy, c->win, netatom[NetWMState], XA_ATOM, 32,
1762 PropModeReplace, (unsigned char*)&netatom[NetWMFullscreen], 1);
1763 c->isfullscreen = 1;
1764 c->oldstate = c->isfloating;
1765 c->oldbw = c->bw;
1766 c->bw = 0;
1767 c->isfloating = 1;
1768 resizeclient(c, c->mon->mx, c->mon->my, c->mon->mw, c->mon->mh);
1769 XRaiseWindow(dpy, c->win);
1770 } else if (!fullscreen && c->isfullscreen){
1771 XChangeProperty(dpy, c->win, netatom[NetWMState], XA_ATOM, 32,
1772 PropModeReplace, (unsigned char*)0, 0);
1773 c->isfullscreen = 0;
1774 c->isfloating = c->oldstate;
1775 c->bw = c->oldbw;
1776 c->x = c->oldx;
1777 c->y = c->oldy;
1778 c->w = c->oldw;
1779 c->h = c->oldh;
1780 resizeclient(c, c->x, c->y, c->w, c->h);
1781 arrange(c->mon);
1782 }
1783}
1784
1785void
1786setgaps(int oh, int ov, int ih, int iv)
1787{
1788 if (oh < 0) oh = 0;
1789 if (ov < 0) ov = 0;
1790 if (ih < 0) ih = 0;
1791 if (iv < 0) iv = 0;
1792
1793 selmon->gappoh = oh;
1794 selmon->gappov = ov;
1795 selmon->gappih = ih;
1796 selmon->gappiv = iv;
1797 arrange(selmon);
1798}
1799
1800void
1801togglegaps(const Arg *arg)
1802{
1803 enablegaps = !enablegaps;
1804 arrange(selmon);
1805}
1806
1807void
1808defaultgaps(const Arg *arg)
1809{
1810 setgaps(gappoh, gappov, gappih, gappiv);
1811}
1812
1813void
1814incrgaps(const Arg *arg)
1815{
1816 setgaps(
1817 selmon->gappoh + arg->i,
1818 selmon->gappov + arg->i,
1819 selmon->gappih + arg->i,
1820 selmon->gappiv + arg->i
1821 );
1822}
1823
1824void
1825incrigaps(const Arg *arg)
1826{
1827 setgaps(
1828 selmon->gappoh,
1829 selmon->gappov,
1830 selmon->gappih + arg->i,
1831 selmon->gappiv + arg->i
1832 );
1833}
1834
1835void
1836incrogaps(const Arg *arg)
1837{
1838 setgaps(
1839 selmon->gappoh + arg->i,
1840 selmon->gappov + arg->i,
1841 selmon->gappih,
1842 selmon->gappiv
1843 );
1844}
1845
1846void
1847incrohgaps(const Arg *arg)
1848{
1849 setgaps(
1850 selmon->gappoh + arg->i,
1851 selmon->gappov,
1852 selmon->gappih,
1853 selmon->gappiv
1854 );
1855}
1856
1857void
1858incrovgaps(const Arg *arg)
1859{
1860 setgaps(
1861 selmon->gappoh,
1862 selmon->gappov + arg->i,
1863 selmon->gappih,
1864 selmon->gappiv
1865 );
1866}
1867
1868void
1869incrihgaps(const Arg *arg)
1870{
1871 setgaps(
1872 selmon->gappoh,
1873 selmon->gappov,
1874 selmon->gappih + arg->i,
1875 selmon->gappiv
1876 );
1877}
1878
1879void
1880incrivgaps(const Arg *arg)
1881{
1882 setgaps(
1883 selmon->gappoh,
1884 selmon->gappov,
1885 selmon->gappih,
1886 selmon->gappiv + arg->i
1887 );
1888}
1889
1890void
1891setlayout(const Arg *arg)
1892{
1893 if (!arg || !arg->v || arg->v != selmon->lt[selmon->sellt])
1894 selmon->sellt ^= 1;
1895 if (arg && arg->v)
1896 selmon->lt[selmon->sellt] = (Layout *)arg->v;
1897 strncpy(selmon->ltsymbol, selmon->lt[selmon->sellt]->symbol, sizeof selmon->ltsymbol);
1898 if (selmon->sel)
1899 arrange(selmon);
1900 else
1901 drawbar(selmon);
1902}
1903
1904/* arg > 1.0 will set mfact absolutely */
1905void
1906setmfact(const Arg *arg)
1907{
1908 float f;
1909
1910 if (!arg || !selmon->lt[selmon->sellt]->arrange)
1911 return;
1912 f = arg->f < 1.0 ? arg->f + selmon->mfact : arg->f - 1.0;
1913 if (f < 0.05 || f > 0.95)
1914 return;
1915 selmon->mfact = f;
1916 arrange(selmon);
1917}
1918
1919void
1920setup(void)
1921{
1922 int i;
1923 XSetWindowAttributes wa;
1924 Atom utf8string;
1925 struct sigaction sa;
1926
1927 /* do not transform children into zombies when they terminate */
1928 sigemptyset(&sa.sa_mask);
1929 sa.sa_flags = SA_NOCLDSTOP | SA_NOCLDWAIT | SA_RESTART;
1930 sa.sa_handler = SIG_IGN;
1931 sigaction(SIGCHLD, &sa, NULL);
1932
1933 /* clean up any zombies (inherited from .xinitrc etc) immediately */
1934 while (waitpid(-1, NULL, WNOHANG) > 0);
1935
1936 /* init screen */
1937 screen = DefaultScreen(dpy);
1938 sw = DisplayWidth(dpy, screen);
1939 sh = DisplayHeight(dpy, screen);
1940 root = RootWindow(dpy, screen);
1941 drw = drw_create(dpy, screen, root, sw, sh);
1942 if (!drw_fontset_create(drw, fonts, LENGTH(fonts)))
1943 die("no fonts could be loaded.");
1944 lrpad = drw->fonts->h;
1945 bh = drw->fonts->h + 2;
1946 updategeom();
1947 /* init atoms */
1948 utf8string = XInternAtom(dpy, "UTF8_STRING", False);
1949 wmatom[WMProtocols] = XInternAtom(dpy, "WM_PROTOCOLS", False);
1950 wmatom[WMDelete] = XInternAtom(dpy, "WM_DELETE_WINDOW", False);
1951 wmatom[WMState] = XInternAtom(dpy, "WM_STATE", False);
1952 wmatom[WMTakeFocus] = XInternAtom(dpy, "WM_TAKE_FOCUS", False);
1953 netatom[NetActiveWindow] = XInternAtom(dpy, "_NET_ACTIVE_WINDOW", False);
1954 netatom[NetSupported] = XInternAtom(dpy, "_NET_SUPPORTED", False);
1955 netatom[NetSystemTray] = XInternAtom(dpy, "_NET_SYSTEM_TRAY_S0", False);
1956 netatom[NetSystemTrayOP] = XInternAtom(dpy, "_NET_SYSTEM_TRAY_OPCODE", False);
1957 netatom[NetSystemTrayOrientation] = XInternAtom(dpy, "_NET_SYSTEM_TRAY_ORIENTATION", False);
1958 netatom[NetSystemTrayOrientationHorz] = XInternAtom(dpy, "_NET_SYSTEM_TRAY_ORIENTATION_HORZ", False);
1959 netatom[NetWMName] = XInternAtom(dpy, "_NET_WM_NAME", False);
1960 netatom[NetWMState] = XInternAtom(dpy, "_NET_WM_STATE", False);
1961 netatom[NetWMCheck] = XInternAtom(dpy, "_NET_SUPPORTING_WM_CHECK", False);
1962 netatom[NetWMFullscreen] = XInternAtom(dpy, "_NET_WM_STATE_FULLSCREEN", False);
1963 netatom[NetWMWindowType] = XInternAtom(dpy, "_NET_WM_WINDOW_TYPE", False);
1964 netatom[NetWMWindowTypeDialog] = XInternAtom(dpy, "_NET_WM_WINDOW_TYPE_DIALOG", False);
1965 netatom[NetClientList] = XInternAtom(dpy, "_NET_CLIENT_LIST", False);
1966 xatom[Manager] = XInternAtom(dpy, "MANAGER", False);
1967 xatom[Xembed] = XInternAtom(dpy, "_XEMBED", False);
1968 xatom[XembedInfo] = XInternAtom(dpy, "_XEMBED_INFO", False);
1969 /* init cursors */
1970 cursor[CurNormal] = drw_cur_create(drw, XC_left_ptr);
1971 cursor[CurResize] = drw_cur_create(drw, XC_sizing);
1972 cursor[CurMove] = drw_cur_create(drw, XC_fleur);
1973 /* init appearance */
1974 scheme = ecalloc(LENGTH(colors), sizeof(Clr *));
1975 for (i = 0; i < LENGTH(colors); i++)
1976 scheme[i] = drw_scm_create(drw, colors[i], 3);
1977 /* init system tray */
1978 updatesystray();
1979 /* init bars */
1980 updatebars();
1981 updatestatus();
1982 /* supporting window for NetWMCheck */
1983 wmcheckwin = XCreateSimpleWindow(dpy, root, 0, 0, 1, 1, 0, 0, 0);
1984 XChangeProperty(dpy, wmcheckwin, netatom[NetWMCheck], XA_WINDOW, 32,
1985 PropModeReplace, (unsigned char *) &wmcheckwin, 1);
1986 XChangeProperty(dpy, wmcheckwin, netatom[NetWMName], utf8string, 8,
1987 PropModeReplace, (unsigned char *) "dwm", 3);
1988 XChangeProperty(dpy, root, netatom[NetWMCheck], XA_WINDOW, 32,
1989 PropModeReplace, (unsigned char *) &wmcheckwin, 1);
1990 /* EWMH support per view */
1991 XChangeProperty(dpy, root, netatom[NetSupported], XA_ATOM, 32,
1992 PropModeReplace, (unsigned char *) netatom, NetLast);
1993 XDeleteProperty(dpy, root, netatom[NetClientList]);
1994 /* select events */
1995 wa.cursor = cursor[CurNormal]->cursor;
1996 wa.event_mask = SubstructureRedirectMask|SubstructureNotifyMask
1997 |ButtonPressMask|PointerMotionMask|EnterWindowMask
1998 |LeaveWindowMask|StructureNotifyMask|PropertyChangeMask;
1999 XChangeWindowAttributes(dpy, root, CWEventMask|CWCursor, &wa);
2000 XSelectInput(dpy, root, wa.event_mask);
2001 grabkeys();
2002 focus(NULL);
2003}
2004
2005void
2006seturgent(Client *c, int urg)
2007{
2008 XWMHints *wmh;
2009
2010 c->isurgent = urg;
2011 if (!(wmh = XGetWMHints(dpy, c->win)))
2012 return;
2013 wmh->flags = urg ? (wmh->flags | XUrgencyHint) : (wmh->flags & ~XUrgencyHint);
2014 XSetWMHints(dpy, c->win, wmh);
2015 XFree(wmh);
2016}
2017
2018void
2019showhide(Client *c)
2020{
2021 if (!c)
2022 return;
2023 if (ISVISIBLE(c)) {
2024 /* show clients top down */
2025 XMoveWindow(dpy, c->win, c->x, c->y);
2026 if ((!c->mon->lt[c->mon->sellt]->arrange || c->isfloating) && !c->isfullscreen)
2027 resize(c, c->x, c->y, c->w, c->h, 0);
2028 showhide(c->snext);
2029 } else {
2030 /* hide clients bottom up */
2031 showhide(c->snext);
2032 XMoveWindow(dpy, c->win, WIDTH(c) * -2, c->y);
2033 }
2034}
2035
2036void
2037spawn(const Arg *arg)
2038{
2039 struct sigaction sa;
2040
2041 if (arg->v == dmenucmd)
2042 dmenumon[0] = '0' + selmon->num;
2043 if (fork() == 0) {
2044 if (dpy)
2045 close(ConnectionNumber(dpy));
2046 setsid();
2047
2048 sigemptyset(&sa.sa_mask);
2049 sa.sa_flags = 0;
2050 sa.sa_handler = SIG_DFL;
2051 sigaction(SIGCHLD, &sa, NULL);
2052
2053 execvp(((char **)arg->v)[0], (char **)arg->v);
2054 die("dwm: execvp '%s' failed:", ((char **)arg->v)[0]);
2055 }
2056}
2057
2058void
2059tag(const Arg *arg)
2060{
2061 if (selmon->sel && arg->ui & TAGMASK) {
2062 selmon->sel->tags = arg->ui & TAGMASK;
2063 focus(NULL);
2064 arrange(selmon);
2065 }
2066}
2067
2068void
2069tagmon(const Arg *arg)
2070{
2071 if (!selmon->sel || !mons->next)
2072 return;
2073 sendmon(selmon->sel, dirtomon(arg->i));
2074}
2075
2076void
2077tile(Monitor *m)
2078{
2079 unsigned int i, n, h, r, oe = enablegaps, ie = enablegaps, mw, my, ty;
2080 Client *c;
2081
2082 for (n = 0, c = nexttiled(m->clients); c; c = nexttiled(c->next), n++);
2083 if (n == 0)
2084 return;
2085 if (smartgaps == n) {
2086 oe = 0; // outer gaps disabled
2087 }
2088
2089 if (n > m->nmaster)
2090 mw = m->nmaster ? (m->ww + m->gappiv*ie) * m->mfact : 0;
2091 else
2092 mw = m->ww - 2*m->gappov*oe + m->gappiv*ie;
2093 for (i = 0, my = ty = m->gappoh*oe, c = nexttiled(m->clients); c; c = nexttiled(c->next), i++)
2094 if (i < m->nmaster) {
2095 r = MIN(n, m->nmaster) - i;
2096 h = (m->wh - my - m->gappoh*oe - m->gappih*ie * (r - 1)) / r;
2097 resize(c, m->wx + m->gappov*oe, m->wy + my, mw - (2*c->bw) - m->gappiv*ie, h - (2*c->bw), 0);
2098 my += HEIGHT(c) + m->gappih*ie;
2099
2100 if (my + HEIGHT(c) < m->wh)
2101 my += HEIGHT(c);
2102 } else {
2103 r = n - i;
2104 h = (m->wh - ty - m->gappoh*oe - m->gappih*ie * (r - 1)) / r;
2105 resize(c, m->wx + mw + m->gappov*oe, m->wy + ty, m->ww - mw - (2*c->bw) - 2*m->gappov*oe, h - (2*c->bw), 0);
2106 ty += HEIGHT(c) + m->gappih*ie;
2107 }
2108}
2109
2110void
2111togglebar(const Arg *arg)
2112{
2113 selmon->showbar = !selmon->showbar;
2114 updatebarpos(selmon);
2115 resizebarwin(selmon);
2116 if (showsystray) {
2117 XWindowChanges wc;
2118 if (!selmon->showbar)
2119 wc.y = -bh;
2120 else if (selmon->showbar) {
2121 wc.y = 0;
2122 if (!selmon->topbar)
2123 wc.y = selmon->mh - bh;
2124 }
2125 XConfigureWindow(dpy, systray->win, CWY, &wc);
2126 }
2127 arrange(selmon);
2128}
2129
2130void
2131togglefloating(const Arg *arg)
2132{
2133 if (!selmon->sel)
2134 return;
2135 if (selmon->sel->isfullscreen) /* no support for fullscreen windows */
2136 return;
2137 selmon->sel->isfloating = !selmon->sel->isfloating || selmon->sel->isfixed;
2138 if (selmon->sel->isfloating)
2139 resize(selmon->sel, selmon->sel->x, selmon->sel->y,
2140 selmon->sel->w, selmon->sel->h, 0);
2141 arrange(selmon);
2142}
2143
2144void
2145togglefullscr(const Arg *arg)
2146{
2147 if(selmon->sel)
2148 setfullscreen(selmon->sel, !selmon->sel->isfullscreen);
2149}
2150
2151void
2152toggletag(const Arg *arg)
2153{
2154 unsigned int newtags;
2155
2156 if (!selmon->sel)
2157 return;
2158 newtags = selmon->sel->tags ^ (arg->ui & TAGMASK);
2159 if (newtags) {
2160 selmon->sel->tags = newtags;
2161 focus(NULL);
2162 arrange(selmon);
2163 }
2164}
2165
2166void
2167toggleview(const Arg *arg)
2168{
2169 unsigned int newtagset = selmon->tagset[selmon->seltags] ^ (arg->ui & TAGMASK);
2170
2171 if (newtagset) {
2172 selmon->tagset[selmon->seltags] = newtagset;
2173 focus(NULL);
2174 arrange(selmon);
2175 }
2176}
2177
2178void
2179unfocus(Client *c, int setfocus)
2180{
2181 if (!c)
2182 return;
2183 grabbuttons(c, 0);
2184 XSetWindowBorder(dpy, c->win, scheme[SchemeNorm][ColBorder].pixel);
2185 if (setfocus) {
2186 XSetInputFocus(dpy, root, RevertToPointerRoot, CurrentTime);
2187 XDeleteProperty(dpy, root, netatom[NetActiveWindow]);
2188 }
2189}
2190
2191void
2192unmanage(Client *c, int destroyed)
2193{
2194 Monitor *m = c->mon;
2195 XWindowChanges wc;
2196
2197 if (c->swallowing) {
2198 unswallow(c);
2199 return;
2200 }
2201
2202 Client *s = swallowingclient(c->win);
2203 if (s) {
2204 free(s->swallowing);
2205 s->swallowing = NULL;
2206 arrange(m);
2207 focus(NULL);
2208 return;
2209 }
2210
2211 detach(c);
2212 detachstack(c);
2213 if (!destroyed) {
2214 wc.border_width = c->oldbw;
2215 XGrabServer(dpy); /* avoid race conditions */
2216 XSetErrorHandler(xerrordummy);
2217 XSelectInput(dpy, c->win, NoEventMask);
2218 XConfigureWindow(dpy, c->win, CWBorderWidth, &wc); /* restore border */
2219 XUngrabButton(dpy, AnyButton, AnyModifier, c->win);
2220 setclientstate(c, WithdrawnState);
2221 XSync(dpy, False);
2222 XSetErrorHandler(xerror);
2223 XUngrabServer(dpy);
2224 }
2225 free(c);
2226
2227 if (!s) {
2228 arrange(m);
2229 focus(NULL);
2230 updateclientlist();
2231 }
2232}
2233
2234void
2235unmapnotify(XEvent *e)
2236{
2237 Client *c;
2238 XUnmapEvent *ev = &e->xunmap;
2239
2240 if ((c = wintoclient(ev->window))) {
2241 if (ev->send_event)
2242 setclientstate(c, WithdrawnState);
2243 else
2244 unmanage(c, 0);
2245 }
2246 else if ((c = wintosystrayicon(ev->window))) {
2247 /* KLUDGE! sometimes icons occasionally unmap their windows, but do
2248 * _not_ destroy them. We map those windows back */
2249 XMapRaised(dpy, c->win);
2250 updatesystray();
2251 }
2252}
2253
2254void
2255updatebars(void)
2256{
2257 unsigned int w;
2258 Monitor *m;
2259 XSetWindowAttributes wa = {
2260 .override_redirect = True,
2261 .background_pixmap = ParentRelative,
2262 .event_mask = ButtonPressMask|ExposureMask
2263 };
2264 XClassHint ch = {"dwm", "dwm"};
2265 for (m = mons; m; m = m->next) {
2266 if (m->barwin)
2267 continue;
2268 w = m->ww;
2269 if (showsystray && m == systraytomon(m))
2270 w -= getsystraywidth();
2271 m->barwin = XCreateWindow(dpy, root, m->wx, m->by, w, bh, 0, DefaultDepth(dpy, screen),
2272 CopyFromParent, DefaultVisual(dpy, screen),
2273 CWOverrideRedirect|CWBackPixmap|CWEventMask, &wa);
2274 XDefineCursor(dpy, m->barwin, cursor[CurNormal]->cursor);
2275 if (showsystray && m == systraytomon(m))
2276 XMapRaised(dpy, systray->win);
2277 XMapRaised(dpy, m->barwin);
2278 XSetClassHint(dpy, m->barwin, &ch);
2279 }
2280}
2281
2282void
2283updatebarpos(Monitor *m)
2284{
2285 m->wy = m->my;
2286 m->wh = m->mh;
2287 if (m->showbar) {
2288 m->wh -= bh;
2289 m->by = m->topbar ? m->wy : m->wy + m->wh;
2290 m->wy = m->topbar ? m->wy + bh : m->wy;
2291 } else
2292 m->by = -bh;
2293}
2294
2295void
2296updateclientlist()
2297{
2298 Client *c;
2299 Monitor *m;
2300
2301 XDeleteProperty(dpy, root, netatom[NetClientList]);
2302 for (m = mons; m; m = m->next)
2303 for (c = m->clients; c; c = c->next)
2304 XChangeProperty(dpy, root, netatom[NetClientList],
2305 XA_WINDOW, 32, PropModeAppend,
2306 (unsigned char *) &(c->win), 1);
2307}
2308
2309int
2310updategeom(void)
2311{
2312 int dirty = 0;
2313
2314#ifdef XINERAMA
2315 if (XineramaIsActive(dpy)) {
2316 int i, j, n, nn;
2317 Client *c;
2318 Monitor *m;
2319 XineramaScreenInfo *info = XineramaQueryScreens(dpy, &nn);
2320 XineramaScreenInfo *unique = NULL;
2321
2322 for (n = 0, m = mons; m; m = m->next, n++);
2323 /* only consider unique geometries as separate screens */
2324 unique = ecalloc(nn, sizeof(XineramaScreenInfo));
2325 for (i = 0, j = 0; i < nn; i++)
2326 if (isuniquegeom(unique, j, &info[i]))
2327 memcpy(&unique[j++], &info[i], sizeof(XineramaScreenInfo));
2328 XFree(info);
2329 nn = j;
2330
2331 /* new monitors if nn > n */
2332 for (i = n; i < nn; i++) {
2333 for (m = mons; m && m->next; m = m->next);
2334 if (m)
2335 m->next = createmon();
2336 else
2337 mons = createmon();
2338 }
2339 for (i = 0, m = mons; i < nn && m; m = m->next, i++)
2340 if (i >= n
2341 || unique[i].x_org != m->mx || unique[i].y_org != m->my
2342 || unique[i].width != m->mw || unique[i].height != m->mh)
2343 {
2344 dirty = 1;
2345 m->num = i;
2346 m->mx = m->wx = unique[i].x_org;
2347 m->my = m->wy = unique[i].y_org;
2348 m->mw = m->ww = unique[i].width;
2349 m->mh = m->wh = unique[i].height;
2350 updatebarpos(m);
2351 }
2352 /* removed monitors if n > nn */
2353 for (i = nn; i < n; i++) {
2354 for (m = mons; m && m->next; m = m->next);
2355 while ((c = m->clients)) {
2356 dirty = 1;
2357 m->clients = c->next;
2358 detachstack(c);
2359 c->mon = mons;
2360 attach(c);
2361 attachstack(c);
2362 }
2363 if (m == selmon)
2364 selmon = mons;
2365 cleanupmon(m);
2366 }
2367 free(unique);
2368 } else
2369#endif /* XINERAMA */
2370 { /* default monitor setup */
2371 if (!mons)
2372 mons = createmon();
2373 if (mons->mw != sw || mons->mh != sh) {
2374 dirty = 1;
2375 mons->mw = mons->ww = sw;
2376 mons->mh = mons->wh = sh;
2377 updatebarpos(mons);
2378 }
2379 }
2380 if (dirty) {
2381 selmon = mons;
2382 selmon = wintomon(root);
2383 }
2384 return dirty;
2385}
2386
2387void
2388updatenumlockmask(void)
2389{
2390 unsigned int i, j;
2391 XModifierKeymap *modmap;
2392
2393 numlockmask = 0;
2394 modmap = XGetModifierMapping(dpy);
2395 for (i = 0; i < 8; i++)
2396 for (j = 0; j < modmap->max_keypermod; j++)
2397 if (modmap->modifiermap[i * modmap->max_keypermod + j]
2398 == XKeysymToKeycode(dpy, XK_Num_Lock))
2399 numlockmask = (1 << i);
2400 XFreeModifiermap(modmap);
2401}
2402
2403void
2404updatesizehints(Client *c)
2405{
2406 long msize;
2407 XSizeHints size;
2408
2409 if (!XGetWMNormalHints(dpy, c->win, &size, &msize))
2410 /* size is uninitialized, ensure that size.flags aren't used */
2411 size.flags = PSize;
2412 if (size.flags & PBaseSize) {
2413 c->basew = size.base_width;
2414 c->baseh = size.base_height;
2415 } else if (size.flags & PMinSize) {
2416 c->basew = size.min_width;
2417 c->baseh = size.min_height;
2418 } else
2419 c->basew = c->baseh = 0;
2420 if (size.flags & PResizeInc) {
2421 c->incw = size.width_inc;
2422 c->inch = size.height_inc;
2423 } else
2424 c->incw = c->inch = 0;
2425 if (size.flags & PMaxSize) {
2426 c->maxw = size.max_width;
2427 c->maxh = size.max_height;
2428 } else
2429 c->maxw = c->maxh = 0;
2430 if (size.flags & PMinSize) {
2431 c->minw = size.min_width;
2432 c->minh = size.min_height;
2433 } else if (size.flags & PBaseSize) {
2434 c->minw = size.base_width;
2435 c->minh = size.base_height;
2436 } else
2437 c->minw = c->minh = 0;
2438 if (size.flags & PAspect) {
2439 c->mina = (float)size.min_aspect.y / size.min_aspect.x;
2440 c->maxa = (float)size.max_aspect.x / size.max_aspect.y;
2441 } else
2442 c->maxa = c->mina = 0.0;
2443 c->isfixed = (c->maxw && c->maxh && c->maxw == c->minw && c->maxh == c->minh);
2444 c->hintsvalid = 1;
2445}
2446
2447void
2448updatestatus(void)
2449{
2450 if (!gettextprop(root, XA_WM_NAME, stext, sizeof(stext)))
2451 strcpy(stext, "dwm-"VERSION);
2452 drawbar(selmon);
2453 updatesystray();
2454}
2455
2456
2457void
2458updatesystrayicongeom(Client *i, int w, int h)
2459{
2460 if (i) {
2461 i->h = bh;
2462 if (w == h)
2463 i->w = bh;
2464 else if (h == bh)
2465 i->w = w;
2466 else
2467 i->w = (int) ((float)bh * ((float)w / (float)h));
2468 applysizehints(i, &(i->x), &(i->y), &(i->w), &(i->h), False);
2469 /* force icons into the systray dimensions if they don't want to */
2470 if (i->h > bh) {
2471 if (i->w == i->h)
2472 i->w = bh;
2473 else
2474 i->w = (int) ((float)bh * ((float)i->w / (float)i->h));
2475 i->h = bh;
2476 }
2477 }
2478}
2479
2480void
2481updatesystrayiconstate(Client *i, XPropertyEvent *ev)
2482{
2483 long flags;
2484 int code = 0;
2485
2486 if (!showsystray || !i || ev->atom != xatom[XembedInfo] ||
2487 !(flags = getatomprop(i, xatom[XembedInfo])))
2488 return;
2489
2490 if (flags & XEMBED_MAPPED && !i->tags) {
2491 i->tags = 1;
2492 code = XEMBED_WINDOW_ACTIVATE;
2493 XMapRaised(dpy, i->win);
2494 setclientstate(i, NormalState);
2495 }
2496 else if (!(flags & XEMBED_MAPPED) && i->tags) {
2497 i->tags = 0;
2498 code = XEMBED_WINDOW_DEACTIVATE;
2499 XUnmapWindow(dpy, i->win);
2500 setclientstate(i, WithdrawnState);
2501 }
2502 else
2503 return;
2504 sendevent(i->win, xatom[Xembed], StructureNotifyMask, CurrentTime, code, 0,
2505 systray->win, XEMBED_EMBEDDED_VERSION);
2506}
2507
2508void
2509updatesystray(void)
2510{
2511 XSetWindowAttributes wa;
2512 XWindowChanges wc;
2513 Client *i;
2514 Monitor *m = systraytomon(NULL);
2515 unsigned int x = m->mx + m->mw;
2516 unsigned int sw = TEXTW(stext) - lrpad + systrayspacing;
2517 unsigned int w = 1;
2518
2519 if (!showsystray)
2520 return;
2521 if (systrayonleft)
2522 x -= sw + lrpad / 2;
2523 if (!systray) {
2524 /* init systray */
2525 if (!(systray = (Systray *)calloc(1, sizeof(Systray))))
2526 die("fatal: could not malloc() %u bytes\n", sizeof(Systray));
2527 systray->win = XCreateSimpleWindow(dpy, root, x, m->by, w, bh, 0, 0, scheme[SchemeSel][ColBg].pixel);
2528 wa.event_mask = ButtonPressMask | ExposureMask;
2529 wa.override_redirect = True;
2530 wa.background_pixel = scheme[SchemeNorm][ColBg].pixel;
2531 XSelectInput(dpy, systray->win, SubstructureNotifyMask);
2532 XChangeProperty(dpy, systray->win, netatom[NetSystemTrayOrientation], XA_CARDINAL, 32,
2533 PropModeReplace, (unsigned char *)&netatom[NetSystemTrayOrientationHorz], 1);
2534 XChangeWindowAttributes(dpy, systray->win, CWEventMask|CWOverrideRedirect|CWBackPixel, &wa);
2535 XMapRaised(dpy, systray->win);
2536 XSetSelectionOwner(dpy, netatom[NetSystemTray], systray->win, CurrentTime);
2537 if (XGetSelectionOwner(dpy, netatom[NetSystemTray]) == systray->win) {
2538 sendevent(root, xatom[Manager], StructureNotifyMask, CurrentTime, netatom[NetSystemTray], systray->win, 0, 0);
2539 XSync(dpy, False);
2540 }
2541 else {
2542 fprintf(stderr, "dwm: unable to obtain system tray.\n");
2543 free(systray);
2544 systray = NULL;
2545 return;
2546 }
2547 }
2548 for (w = 0, i = systray->icons; i; i = i->next) {
2549 /* make sure the background color stays the same */
2550 wa.background_pixel = scheme[SchemeNorm][ColBg].pixel;
2551 XChangeWindowAttributes(dpy, i->win, CWBackPixel, &wa);
2552 XMapRaised(dpy, i->win);
2553 w += systrayspacing;
2554 i->x = w;
2555 XMoveResizeWindow(dpy, i->win, i->x, 0, i->w, i->h);
2556 w += i->w;
2557 if (i->mon != m)
2558 i->mon = m;
2559 }
2560 w = w ? w + systrayspacing : 1;
2561 x -= w;
2562 XMoveResizeWindow(dpy, systray->win, x, m->by, w, bh);
2563 wc.x = x; wc.y = m->by; wc.width = w; wc.height = bh;
2564 wc.stack_mode = Above; wc.sibling = m->barwin;
2565 XConfigureWindow(dpy, systray->win, CWX|CWY|CWWidth|CWHeight|CWSibling|CWStackMode, &wc);
2566 XMapWindow(dpy, systray->win);
2567 XMapSubwindows(dpy, systray->win);
2568 /* redraw background */
2569 XSetForeground(dpy, drw->gc, scheme[SchemeNorm][ColBg].pixel);
2570 XFillRectangle(dpy, systray->win, drw->gc, 0, 0, w, bh);
2571 XSync(dpy, False);
2572}
2573
2574void
2575updatetitle(Client *c)
2576{
2577 if (!gettextprop(c->win, netatom[NetWMName], c->name, sizeof c->name))
2578 gettextprop(c->win, XA_WM_NAME, c->name, sizeof c->name);
2579 if (c->name[0] == '\0') /* hack to mark broken clients */
2580 strcpy(c->name, broken);
2581}
2582
2583void
2584updatewindowtype(Client *c)
2585{
2586 Atom state = getatomprop(c, netatom[NetWMState]);
2587 Atom wtype = getatomprop(c, netatom[NetWMWindowType]);
2588
2589 if (state == netatom[NetWMFullscreen])
2590 setfullscreen(c, 1);
2591 if (wtype == netatom[NetWMWindowTypeDialog])
2592 c->isfloating = 1;
2593}
2594
2595void
2596updatewmhints(Client *c)
2597{
2598 XWMHints *wmh;
2599
2600 if ((wmh = XGetWMHints(dpy, c->win))) {
2601 if (c == selmon->sel && wmh->flags & XUrgencyHint) {
2602 wmh->flags &= ~XUrgencyHint;
2603 XSetWMHints(dpy, c->win, wmh);
2604 } else
2605 c->isurgent = (wmh->flags & XUrgencyHint) ? 1 : 0;
2606 if (wmh->flags & InputHint)
2607 c->neverfocus = !wmh->input;
2608 else
2609 c->neverfocus = 0;
2610 XFree(wmh);
2611 }
2612}
2613
2614void
2615view(const Arg *arg)
2616{
2617 if ((arg->ui & TAGMASK) == selmon->tagset[selmon->seltags])
2618 return;
2619 selmon->seltags ^= 1; /* toggle sel tagset */
2620 if (arg->ui & TAGMASK)
2621 selmon->tagset[selmon->seltags] = arg->ui & TAGMASK;
2622 focus(NULL);
2623 arrange(selmon);
2624}
2625
2626pid_t
2627winpid(Window w)
2628{
2629
2630 pid_t result = 0;
2631
2632#ifdef __linux__
2633 xcb_res_client_id_spec_t spec = {0};
2634 spec.client = w;
2635 spec.mask = XCB_RES_CLIENT_ID_MASK_LOCAL_CLIENT_PID;
2636
2637 xcb_generic_error_t *e = NULL;
2638 xcb_res_query_client_ids_cookie_t c = xcb_res_query_client_ids(xcon, 1, &spec);
2639 xcb_res_query_client_ids_reply_t *r = xcb_res_query_client_ids_reply(xcon, c, &e);
2640
2641 if (!r)
2642 return (pid_t)0;
2643
2644 xcb_res_client_id_value_iterator_t i = xcb_res_query_client_ids_ids_iterator(r);
2645 for (; i.rem; xcb_res_client_id_value_next(&i)) {
2646 spec = i.data->spec;
2647 if (spec.mask & XCB_RES_CLIENT_ID_MASK_LOCAL_CLIENT_PID) {
2648 uint32_t *t = xcb_res_client_id_value_value(i.data);
2649 result = *t;
2650 break;
2651 }
2652 }
2653
2654 free(r);
2655
2656 if (result == (pid_t)-1)
2657 result = 0;
2658
2659#endif /* __linux__ */
2660
2661#ifdef __OpenBSD__
2662 Atom type;
2663 int format;
2664 unsigned long len, bytes;
2665 unsigned char *prop;
2666 pid_t ret;
2667
2668 if (XGetWindowProperty(dpy, w, XInternAtom(dpy, "_NET_WM_PID", 0), 0, 1, False, AnyPropertyType, &type, &format, &len, &bytes, &prop) != Success || !prop)
2669 return 0;
2670
2671 ret = *(pid_t*)prop;
2672 XFree(prop);
2673 result = ret;
2674
2675#endif /* __OpenBSD__ */
2676 return result;
2677}
2678
2679pid_t
2680getparentprocess(pid_t p)
2681{
2682 unsigned int v = 0;
2683
2684#ifdef __linux__
2685 FILE *f;
2686 char buf[256];
2687 snprintf(buf, sizeof(buf) - 1, "/proc/%u/stat", (unsigned)p);
2688
2689 if (!(f = fopen(buf, "r")))
2690 return 0;
2691
2692 fscanf(f, "%*u %*s %*c %u", &v);
2693 fclose(f);
2694#endif /* __linux__*/
2695
2696#ifdef __OpenBSD__
2697 int n;
2698 kvm_t *kd;
2699 struct kinfo_proc *kp;
2700
2701 kd = kvm_openfiles(NULL, NULL, NULL, KVM_NO_FILES, NULL);
2702 if (!kd)
2703 return 0;
2704
2705 kp = kvm_getprocs(kd, KERN_PROC_PID, p, sizeof(*kp), &n);
2706 v = kp->p_ppid;
2707#endif /* __OpenBSD__ */
2708
2709 return (pid_t)v;
2710}
2711
2712int
2713isdescprocess(pid_t p, pid_t c)
2714{
2715 while (p != c && c != 0)
2716 c = getparentprocess(c);
2717
2718 return (int)c;
2719}
2720
2721Client *
2722termforwin(const Client *w)
2723{
2724 Client *c;
2725 Monitor *m;
2726
2727 if (!w->pid || w->isterminal)
2728 return NULL;
2729
2730 for (m = mons; m; m = m->next) {
2731 for (c = m->clients; c; c = c->next) {
2732 if (c->isterminal && !c->swallowing && c->pid && isdescprocess(c->pid, w->pid))
2733 return c;
2734 }
2735 }
2736
2737 return NULL;
2738}
2739
2740Client *
2741swallowingclient(Window w)
2742{
2743 Client *c;
2744 Monitor *m;
2745
2746 for (m = mons; m; m = m->next) {
2747 for (c = m->clients; c; c = c->next) {
2748 if (c->swallowing && c->swallowing->win == w)
2749 return c;
2750 }
2751 }
2752
2753 return NULL;
2754}
2755
2756Client *
2757wintoclient(Window w)
2758{
2759 Client *c;
2760 Monitor *m;
2761
2762 for (m = mons; m; m = m->next)
2763 for (c = m->clients; c; c = c->next)
2764 if (c->win == w)
2765 return c;
2766 return NULL;
2767}
2768
2769Client *
2770wintosystrayicon(Window w) {
2771 Client *i = NULL;
2772
2773 if (!showsystray || !w)
2774 return i;
2775 for (i = systray->icons; i && i->win != w; i = i->next) ;
2776 return i;
2777}
2778
2779Monitor *
2780wintomon(Window w)
2781{
2782 int x, y;
2783 Client *c;
2784 Monitor *m;
2785
2786 if (w == root && getrootptr(&x, &y))
2787 return recttomon(x, y, 1, 1);
2788 for (m = mons; m; m = m->next)
2789 if (w == m->barwin)
2790 return m;
2791 if ((c = wintoclient(w)))
2792 return c->mon;
2793 return selmon;
2794}
2795
2796/* There's no way to check accesses to destroyed windows, thus those cases are
2797 * ignored (especially on UnmapNotify's). Other types of errors call Xlibs
2798 * default error handler, which may call exit. */
2799int
2800xerror(Display *dpy, XErrorEvent *ee)
2801{
2802 if (ee->error_code == BadWindow
2803 || (ee->request_code == X_SetInputFocus && ee->error_code == BadMatch)
2804 || (ee->request_code == X_PolyText8 && ee->error_code == BadDrawable)
2805 || (ee->request_code == X_PolyFillRectangle && ee->error_code == BadDrawable)
2806 || (ee->request_code == X_PolySegment && ee->error_code == BadDrawable)
2807 || (ee->request_code == X_ConfigureWindow && ee->error_code == BadMatch)
2808 || (ee->request_code == X_GrabButton && ee->error_code == BadAccess)
2809 || (ee->request_code == X_GrabKey && ee->error_code == BadAccess)
2810 || (ee->request_code == X_CopyArea && ee->error_code == BadDrawable))
2811 return 0;
2812 fprintf(stderr, "dwm: fatal error: request code=%d, error code=%d\n",
2813 ee->request_code, ee->error_code);
2814 return xerrorxlib(dpy, ee); /* may call exit */
2815}
2816
2817int
2818xerrordummy(Display *dpy, XErrorEvent *ee)
2819{
2820 return 0;
2821}
2822
2823/* Startup Error handler to check if another window manager
2824 * is already running. */
2825int
2826xerrorstart(Display *dpy, XErrorEvent *ee)
2827{
2828 die("dwm: another window manager is already running");
2829 return -1;
2830}
2831
2832Monitor *
2833systraytomon(Monitor *m) {
2834 Monitor *t;
2835 int i, n;
2836 if(!systraypinning) {
2837 if(!m)
2838 return selmon;
2839 return m == selmon ? m : NULL;
2840 }
2841 for(n = 1, t = mons; t && t->next; n++, t = t->next) ;
2842 for(i = 1, t = mons; t && t->next && i < systraypinning; i++, t = t->next) ;
2843 if(systraypinningfailfirst && n < systraypinning)
2844 return mons;
2845 return t;
2846}
2847
2848void
2849zoom(const Arg *arg)
2850{
2851 Client *c = selmon->sel;
2852
2853 if (!selmon->lt[selmon->sellt]->arrange || !c || c->isfloating)
2854 return;
2855 if (c == nexttiled(selmon->clients) && !(c = nexttiled(c->next)))
2856 return;
2857 pop(c);
2858}
2859
2860int
2861main(int argc, char *argv[])
2862{
2863 if (argc == 2 && !strcmp("-v", argv[1]))
2864 die("dwm-"VERSION);
2865 else if (argc != 1)
2866 die("usage: dwm [-v]");
2867 if (!setlocale(LC_CTYPE, "") || !XSupportsLocale())
2868 fputs("warning: no locale support\n", stderr);
2869 if (!(dpy = XOpenDisplay(NULL)))
2870 die("dwm: cannot open display");
2871 if (!(xcon = XGetXCBConnection(dpy)))
2872 die("dwm: cannot get xcb connection\n");
2873 checkotherwm();
2874 setup();
2875#ifdef __OpenBSD__
2876 if (pledge("stdio rpath proc exec ps", NULL) == -1)
2877 die("pledge");
2878#endif /* __OpenBSD__ */
2879 scan();
2880 run();
2881 cleanup();
2882 XCloseDisplay(dpy);
2883 return EXIT_SUCCESS;
2884}
diff --git a/config.def.h b/src/config/config.def.h
index e6d32c5..e6d32c5 100644
--- a/config.def.h
+++ b/src/config/config.def.h
diff --git a/config.h b/src/config/config.h
index e6d32c5..e6d32c5 100644
--- a/config.h
+++ b/src/config/config.h
diff --git a/config.mk b/src/config/config.mk
index 1c9d2e3..3935516 100644
--- a/config.mk
+++ b/src/config/config.mk
@@ -37,4 +37,4 @@ LDFLAGS = ${LIBS}
37#LDFLAGS = ${LIBS} 37#LDFLAGS = ${LIBS}
38 38
39# compiler and linker 39# compiler and linker
40CC = cc 40CC = gcc
diff --git a/src/core/dwm.c b/src/core/dwm.c
new file mode 100644
index 0000000..6082987
--- /dev/null
+++ b/src/core/dwm.c
@@ -0,0 +1,2735 @@
1/* See LICENSE file for copyright and license details.
2 *
3 * dynamic window manager is designed like any other X client as well. It is
4 * driven through handling X events. In contrast to other X clients, a window
5 * manager selects for SubstructureRedirectMask on the root window, to receive
6 * events about window (dis-)appearance. Only one X connection at a time is
7 * allowed to select for this event mask.
8 *
9 * The event handlers of dwm are organized in an array which is accessed
10 * whenever a new event has been fetched. This allows event dispatching
11 * in O(1) time.
12 *
13 * Each child of the root window is called a client, except windows which have
14 * set the override_redirect flag. Clients are organized in a linked client
15 * list on each monitor, the focus history is remembered through a stack list
16 * on each monitor. Each client contains a bit array to indicate the tags of a
17 * client.
18 *
19 * Keys and tagging rules are organized as arrays and defined in config.h.
20 *
21 * To understand everything else, start reading main().
22 */
23#include <X11/Xatom.h>
24#include <X11/Xlib.h>
25#include <X11/Xproto.h>
26#include <X11/Xutil.h>
27#include <X11/cursorfont.h>
28#include <X11/keysym.h>
29#include <errno.h>
30#include <locale.h>
31#include <signal.h>
32#include <stdarg.h>
33#include <stdio.h>
34#include <stdlib.h>
35#include <string.h>
36#include <sys/types.h>
37#include <sys/wait.h>
38#include <unistd.h>
39#ifdef XINERAMA
40#include <X11/extensions/Xinerama.h>
41#endif /* XINERAMA */
42#include <X11/Xft/Xft.h>
43#include <X11/Xlib-xcb.h>
44#include <xcb/res.h>
45#ifdef __OpenBSD__
46#include <kvm.h>
47#include <sys/sysctl.h>
48#endif /* __OpenBSD */
49
50#include "../drw/drw.h"
51#include "../util/util.h"
52#include <X11/XF86keysym.h>
53
54/* macros */
55#define BUTTONMASK (ButtonPressMask | ButtonReleaseMask)
56#define CLEANMASK(mask) \
57 (mask & ~(numlockmask | LockMask) & \
58 (ShiftMask | ControlMask | Mod1Mask | Mod2Mask | Mod3Mask | Mod4Mask | \
59 Mod5Mask))
60#define INTERSECT(x, y, w, h, m) \
61 (MAX(0, MIN((x) + (w), (m)->wx + (m)->ww) - MAX((x), (m)->wx)) * \
62 MAX(0, MIN((y) + (h), (m)->wy + (m)->wh) - MAX((y), (m)->wy)))
63#define ISVISIBLE(C) ((C->tags & C->mon->tagset[C->mon->seltags]))
64#define LENGTH(X) (sizeof X / sizeof X[0])
65#define MOUSEMASK (BUTTONMASK | PointerMotionMask)
66#define WIDTH(X) ((X)->w + 2 * (X)->bw)
67#define HEIGHT(X) ((X)->h + 2 * (X)->bw)
68#define TAGMASK ((1 << LENGTH(tags)) - 1)
69#define TEXTW(X) (drw_fontset_getwidth(drw, (X)) + lrpad)
70
71#define SYSTEM_TRAY_REQUEST_DOCK 0
72/* XEMBED messages */
73#define XEMBED_EMBEDDED_NOTIFY 0
74#define XEMBED_WINDOW_ACTIVATE 1
75#define XEMBED_FOCUS_IN 4
76#define XEMBED_MODALITY_ON 10
77#define XEMBED_MAPPED (1 << 0)
78#define XEMBED_WINDOW_ACTIVATE 1
79#define XEMBED_WINDOW_DEACTIVATE 2
80#define VERSION_MAJOR 0
81#define VERSION_MINOR 0
82#define XEMBED_EMBEDDED_VERSION (VERSION_MAJOR << 16) | VERSION_MINOR
83
84/* enums */
85enum { CurNormal, CurResize, CurMove, CurLast }; /* cursor */
86enum { SchemeNorm, SchemeSel }; /* color schemes */
87enum {
88 NetSupported,
89 NetWMName,
90 NetWMState,
91 NetWMCheck,
92 NetSystemTray,
93 NetSystemTrayOP,
94 NetSystemTrayOrientation,
95 NetSystemTrayOrientationHorz,
96 NetWMFullscreen,
97 NetActiveWindow,
98 NetWMWindowType,
99 NetWMWindowTypeDialog,
100 NetClientList,
101 NetLast
102}; /* EWMH atoms */
103enum { Manager, Xembed, XembedInfo, XLast }; /* Xembed atoms */
104enum {
105 WMProtocols,
106 WMDelete,
107 WMState,
108 WMTakeFocus,
109 WMLast
110}; /* default atoms */
111enum {
112 ClkTagBar,
113 ClkLtSymbol,
114 ClkStatusText,
115 ClkWinTitle,
116 ClkClientWin,
117 ClkRootWin,
118 ClkLast
119}; /* clicks */
120
121typedef union {
122 int i;
123 unsigned int ui;
124 float f;
125 const void *v;
126} Arg;
127
128typedef struct {
129 unsigned int click;
130 unsigned int mask;
131 unsigned int button;
132 void (*func)(const Arg *arg);
133 const Arg arg;
134} Button;
135
136typedef struct Monitor Monitor;
137typedef struct Client Client;
138struct Client {
139 char name[256];
140 float mina, maxa;
141 int x, y, w, h;
142 int oldx, oldy, oldw, oldh;
143 int basew, baseh, incw, inch, maxw, maxh, minw, minh, hintsvalid;
144 int bw, oldbw;
145 unsigned int tags;
146 int isfixed, isfloating, isurgent, neverfocus, oldstate, isfullscreen,
147 isterminal, noswallow;
148 pid_t pid;
149 Client *next;
150 Client *snext;
151 Client *swallowing;
152 Monitor *mon;
153 Window win;
154};
155
156typedef struct {
157 unsigned int mod;
158 KeySym keysym;
159 void (*func)(const Arg *);
160 const Arg arg;
161} Key;
162
163typedef struct {
164 const char *symbol;
165 void (*arrange)(Monitor *);
166} Layout;
167
168struct Monitor {
169 char ltsymbol[16];
170 float mfact;
171 int nmaster;
172 int num;
173 int by; /* bar geometry */
174 int mx, my, mw, mh; /* screen size */
175 int wx, wy, ww, wh; /* window area */
176 int gappih; /* horizontal gap between windows */
177 int gappiv; /* vertical gap between windows */
178 int gappoh; /* horizontal outer gaps */
179 int gappov; /* vertical outer gaps */
180 unsigned int seltags;
181 unsigned int sellt;
182 unsigned int tagset[2];
183 int showbar;
184 int topbar;
185 Client *clients;
186 Client *sel;
187 Client *stack;
188 Monitor *next;
189 Window barwin;
190 const Layout *lt[2];
191};
192
193typedef struct {
194 const char *class;
195 const char *instance;
196 const char *title;
197 unsigned int tags;
198 int isfloating;
199 int isterminal;
200 int noswallow;
201 int monitor;
202} Rule;
203
204typedef struct Systray Systray;
205struct Systray {
206 Window win;
207 Client *icons;
208};
209
210/* function declarations */
211static void applyrules(Client *c);
212static int applysizehints(Client *c, int *x, int *y, int *w, int *h,
213 int interact);
214static void arrange(Monitor *m);
215static void arrangemon(Monitor *m);
216static void attach(Client *c);
217static void attachstack(Client *c);
218static void buttonpress(XEvent *e);
219static void checkotherwm(void);
220static void cleanup(void);
221static void cleanupmon(Monitor *mon);
222static void clientmessage(XEvent *e);
223static void configure(Client *c);
224static void configurenotify(XEvent *e);
225static void configurerequest(XEvent *e);
226static Monitor *createmon(void);
227static void destroynotify(XEvent *e);
228static void detach(Client *c);
229static void detachstack(Client *c);
230static Monitor *dirtomon(int dir);
231static void drawbar(Monitor *m);
232static void drawbars(void);
233static void enternotify(XEvent *e);
234static void expose(XEvent *e);
235static void focus(Client *c);
236static void focusin(XEvent *e);
237static void focusmon(const Arg *arg);
238static void focusstack(const Arg *arg);
239static Atom getatomprop(Client *c, Atom prop);
240static int getrootptr(int *x, int *y);
241static long getstate(Window w);
242static unsigned int getsystraywidth();
243static int gettextprop(Window w, Atom atom, char *text, unsigned int size);
244static void grabbuttons(Client *c, int focused);
245static void grabkeys(void);
246static void incnmaster(const Arg *arg);
247static void keypress(XEvent *e);
248static void killclient(const Arg *arg);
249static void manage(Window w, XWindowAttributes *wa);
250static void mappingnotify(XEvent *e);
251static void maprequest(XEvent *e);
252static void monocle(Monitor *m);
253static void motionnotify(XEvent *e);
254static void movemouse(const Arg *arg);
255static Client *nexttiled(Client *c);
256static void pop(Client *c);
257static void propertynotify(XEvent *e);
258static void quit(const Arg *arg);
259static Monitor *recttomon(int x, int y, int w, int h);
260static void removesystrayicon(Client *i);
261static void resize(Client *c, int x, int y, int w, int h, int interact);
262static void resizebarwin(Monitor *m);
263static void resizeclient(Client *c, int x, int y, int w, int h);
264static void resizemouse(const Arg *arg);
265static void resizerequest(XEvent *e);
266static void restack(Monitor *m);
267static void run(void);
268static void scan(void);
269static int sendevent(Window w, Atom proto, int m, long d0, long d1, long d2,
270 long d3, long d4);
271static void sendmon(Client *c, Monitor *m);
272static void setclientstate(Client *c, long state);
273static void setfocus(Client *c);
274static void setfullscreen(Client *c, int fullscreen);
275static void setgaps(int oh, int ov, int ih, int iv);
276static void incrgaps(const Arg *arg);
277static void incrigaps(const Arg *arg);
278static void incrogaps(const Arg *arg);
279static void incrohgaps(const Arg *arg);
280static void incrovgaps(const Arg *arg);
281static void incrihgaps(const Arg *arg);
282static void incrivgaps(const Arg *arg);
283static void togglegaps(const Arg *arg);
284static void defaultgaps(const Arg *arg);
285static void setlayout(const Arg *arg);
286static void setmfact(const Arg *arg);
287static void setup(void);
288static void seturgent(Client *c, int urg);
289static void showhide(Client *c);
290static void spawn(const Arg *arg);
291static Monitor *systraytomon(Monitor *m);
292static void tag(const Arg *arg);
293static void tagmon(const Arg *arg);
294static void tile(Monitor *m);
295static void togglebar(const Arg *arg);
296static void togglefloating(const Arg *arg);
297static void togglefullscr(const Arg *arg);
298static void toggletag(const Arg *arg);
299static void toggleview(const Arg *arg);
300static void unfocus(Client *c, int setfocus);
301static void unmanage(Client *c, int destroyed);
302static void unmapnotify(XEvent *e);
303static void updatebarpos(Monitor *m);
304static void updatebars(void);
305static void updateclientlist(void);
306static int updategeom(void);
307static void updatenumlockmask(void);
308static void updatesystray(void);
309static void updatesystrayicongeom(Client *i, int w, int h);
310static void updatesystrayiconstate(Client *i, XPropertyEvent *ev);
311static void updatesizehints(Client *c);
312static void updatestatus(void);
313static void updatetitle(Client *c);
314static void updatewindowtype(Client *c);
315static void updatewmhints(Client *c);
316static void view(const Arg *arg);
317static Client *wintoclient(Window w);
318static Monitor *wintomon(Window w);
319static Client *wintosystrayicon(Window w);
320static int xerror(Display *dpy, XErrorEvent *ee);
321static int xerrordummy(Display *dpy, XErrorEvent *ee);
322static int xerrorstart(Display *dpy, XErrorEvent *ee);
323static void zoom(const Arg *arg);
324
325static pid_t getparentprocess(pid_t p);
326static int isdescprocess(pid_t p, pid_t c);
327static Client *swallowingclient(Window w);
328static Client *termforwin(const Client *c);
329static pid_t winpid(Window w);
330
331/* variables */
332static Systray *systray = NULL;
333static const char broken[] = "broken";
334static char stext[256];
335static int screen;
336static int sw, sh; /* X display screen geometry width, height */
337static int bh; /* bar height */
338static int enablegaps = 1; /* enables gaps, used by togglegaps */
339static int lrpad; /* sum of left and right padding for text */
340static int (*xerrorxlib)(Display *, XErrorEvent *);
341static unsigned int numlockmask = 0;
342static void (*handler[LASTEvent])(XEvent *) = {
343 [ButtonPress] = buttonpress,
344 [ClientMessage] = clientmessage,
345 [ConfigureRequest] = configurerequest,
346 [ConfigureNotify] = configurenotify,
347 [DestroyNotify] = destroynotify,
348 [EnterNotify] = enternotify,
349 [Expose] = expose,
350 [FocusIn] = focusin,
351 [KeyPress] = keypress,
352 [MappingNotify] = mappingnotify,
353 [MapRequest] = maprequest,
354 [MotionNotify] = motionnotify,
355 [PropertyNotify] = propertynotify,
356 [ResizeRequest] = resizerequest,
357 [UnmapNotify] = unmapnotify};
358
359static Atom wmatom[WMLast], netatom[NetLast], xatom[XLast];
360static int running = 1;
361static Cur *cursor[CurLast];
362static Clr **scheme;
363static Display *dpy;
364static Drw *drw;
365static Monitor *mons, *selmon;
366static Window root, wmcheckwin;
367
368static xcb_connection_t *xcon;
369
370/* configuration, allows nested code to access above variables */
371#include "../config/config.h"
372
373/* compile-time check if all tags fit into an unsigned int bit array. */
374struct NumTags {
375 char limitexceeded[LENGTH(tags) > 31 ? -1 : 1];
376};
377
378/* function implementations */
379void applyrules(Client *c) {
380 const char *class, *instance;
381 unsigned int i;
382 const Rule *r;
383 Monitor *m;
384 XClassHint ch = {NULL, NULL};
385
386 /* rule matching */
387 c->isfloating = 0;
388 c->tags = 0;
389 XGetClassHint(dpy, c->win, &ch);
390 class = ch.res_class ? ch.res_class : broken;
391 instance = ch.res_name ? ch.res_name : broken;
392
393 for (i = 0; i < LENGTH(rules); i++) {
394 r = &rules[i];
395 if ((!r->title || strstr(c->name, r->title)) &&
396 (!r->class || strstr(class, r->class)) &&
397 (!r->instance || strstr(instance, r->instance))) {
398 c->isterminal = r->isterminal;
399 c->noswallow = r->noswallow;
400 c->isfloating = r->isfloating;
401 c->tags |= r->tags;
402 for (m = mons; m && m->num != r->monitor; m = m->next)
403 ;
404 if (m)
405 c->mon = m;
406 }
407 }
408 if (ch.res_class)
409 XFree(ch.res_class);
410 if (ch.res_name)
411 XFree(ch.res_name);
412 c->tags =
413 c->tags & TAGMASK ? c->tags & TAGMASK : c->mon->tagset[c->mon->seltags];
414}
415
416int applysizehints(Client *c, int *x, int *y, int *w, int *h, int interact) {
417 int baseismin;
418 Monitor *m = c->mon;
419
420 /* set minimum possible */
421 *w = MAX(1, *w);
422 *h = MAX(1, *h);
423 if (interact) {
424 if (*x > sw)
425 *x = sw - WIDTH(c);
426 if (*y > sh)
427 *y = sh - HEIGHT(c);
428 if (*x + *w + 2 * c->bw < 0)
429 *x = 0;
430 if (*y + *h + 2 * c->bw < 0)
431 *y = 0;
432 } else {
433 if (*x >= m->wx + m->ww)
434 *x = m->wx + m->ww - WIDTH(c);
435 if (*y >= m->wy + m->wh)
436 *y = m->wy + m->wh - HEIGHT(c);
437 if (*x + *w + 2 * c->bw <= m->wx)
438 *x = m->wx;
439 if (*y + *h + 2 * c->bw <= m->wy)
440 *y = m->wy;
441 }
442 if (*h < bh)
443 *h = bh;
444 if (*w < bh)
445 *w = bh;
446 if (resizehints || c->isfloating || !c->mon->lt[c->mon->sellt]->arrange) {
447 if (!c->hintsvalid)
448 updatesizehints(c);
449 /* see last two sentences in ICCCM 4.1.2.3 */
450 baseismin = c->basew == c->minw && c->baseh == c->minh;
451 if (!baseismin) { /* temporarily remove base dimensions */
452 *w -= c->basew;
453 *h -= c->baseh;
454 }
455 /* adjust for aspect limits */
456 if (c->mina > 0 && c->maxa > 0) {
457 if (c->maxa < (float)*w / *h)
458 *w = *h * c->maxa + 0.5;
459 else if (c->mina < (float)*h / *w)
460 *h = *w * c->mina + 0.5;
461 }
462 if (baseismin) { /* increment calculation requires this */
463 *w -= c->basew;
464 *h -= c->baseh;
465 }
466 /* adjust for increment value */
467 if (c->incw)
468 *w -= *w % c->incw;
469 if (c->inch)
470 *h -= *h % c->inch;
471 /* restore base dimensions */
472 *w = MAX(*w + c->basew, c->minw);
473 *h = MAX(*h + c->baseh, c->minh);
474 if (c->maxw)
475 *w = MIN(*w, c->maxw);
476 if (c->maxh)
477 *h = MIN(*h, c->maxh);
478 }
479 return *x != c->x || *y != c->y || *w != c->w || *h != c->h;
480}
481
482void arrange(Monitor *m) {
483 if (m)
484 showhide(m->stack);
485 else
486 for (m = mons; m; m = m->next)
487 showhide(m->stack);
488 if (m) {
489 arrangemon(m);
490 restack(m);
491 } else
492 for (m = mons; m; m = m->next)
493 arrangemon(m);
494}
495
496void arrangemon(Monitor *m) {
497 strncpy(m->ltsymbol, m->lt[m->sellt]->symbol, sizeof m->ltsymbol);
498 if (m->lt[m->sellt]->arrange)
499 m->lt[m->sellt]->arrange(m);
500}
501
502void attach(Client *c) {
503 c->next = c->mon->clients;
504 c->mon->clients = c;
505}
506
507void attachstack(Client *c) {
508 c->snext = c->mon->stack;
509 c->mon->stack = c;
510}
511
512void swallow(Client *p, Client *c) {
513
514 if (c->noswallow || c->isterminal)
515 return;
516 if (c->noswallow && !swallowfloating && c->isfloating)
517 return;
518
519 detach(c);
520 detachstack(c);
521
522 setclientstate(c, WithdrawnState);
523 XUnmapWindow(dpy, p->win);
524
525 p->swallowing = c;
526 c->mon = p->mon;
527
528 Window w = p->win;
529 p->win = c->win;
530 c->win = w;
531 updatetitle(p);
532 XMoveResizeWindow(dpy, p->win, p->x, p->y, p->w, p->h);
533 arrange(p->mon);
534 configure(p);
535 updateclientlist();
536}
537
538void unswallow(Client *c) {
539 c->win = c->swallowing->win;
540
541 free(c->swallowing);
542 c->swallowing = NULL;
543
544 /* unfullscreen the client */
545 setfullscreen(c, 0);
546 updatetitle(c);
547 arrange(c->mon);
548 XMapWindow(dpy, c->win);
549 XMoveResizeWindow(dpy, c->win, c->x, c->y, c->w, c->h);
550 setclientstate(c, NormalState);
551 focus(NULL);
552 arrange(c->mon);
553}
554
555void buttonpress(XEvent *e) {
556 unsigned int i, x, click;
557 Arg arg = {0};
558 Client *c;
559 Monitor *m;
560 XButtonPressedEvent *ev = &e->xbutton;
561
562 click = ClkRootWin;
563 /* focus monitor if necessary */
564 if ((m = wintomon(ev->window)) && m != selmon) {
565 unfocus(selmon->sel, 1);
566 selmon = m;
567 focus(NULL);
568 }
569 if (ev->window == selmon->barwin) {
570 i = x = 0;
571 unsigned int occ = 0;
572 for (c = m->clients; c; c = c->next)
573 occ |= c->tags;
574 do {
575 /* Do not reserve space for vacant tags */
576 if (!(occ & 1 << i || m->tagset[m->seltags] & 1 << i))
577 continue;
578 x += TEXTW(tags[i]);
579 } while (ev->x >= x && ++i < LENGTH(tags));
580 if (i < LENGTH(tags)) {
581 click = ClkTagBar;
582 arg.ui = 1 << i;
583 } else if (ev->x < x + TEXTW(selmon->ltsymbol))
584 click = ClkLtSymbol;
585 else if (ev->x > selmon->ww - (int)TEXTW(stext) - getsystraywidth())
586 click = ClkStatusText;
587 else
588 click = ClkWinTitle;
589 } else if ((c = wintoclient(ev->window))) {
590 focus(c);
591 restack(selmon);
592 XAllowEvents(dpy, ReplayPointer, CurrentTime);
593 click = ClkClientWin;
594 }
595 for (i = 0; i < LENGTH(buttons); i++)
596 if (click == buttons[i].click && buttons[i].func &&
597 buttons[i].button == ev->button &&
598 CLEANMASK(buttons[i].mask) == CLEANMASK(ev->state))
599 buttons[i].func(
600 click == ClkTagBar && buttons[i].arg.i == 0 ? &arg : &buttons[i].arg);
601}
602
603void checkotherwm(void) {
604 xerrorxlib = XSetErrorHandler(xerrorstart);
605 /* this causes an error if some other window manager is running */
606 XSelectInput(dpy, DefaultRootWindow(dpy), SubstructureRedirectMask);
607 XSync(dpy, False);
608 XSetErrorHandler(xerror);
609 XSync(dpy, False);
610}
611
612void cleanup(void) {
613 Arg a = {.ui = ~0};
614 Layout foo = {"", NULL};
615 Monitor *m;
616 size_t i;
617
618 view(&a);
619 selmon->lt[selmon->sellt] = &foo;
620 for (m = mons; m; m = m->next)
621 while (m->stack)
622 unmanage(m->stack, 0);
623 XUngrabKey(dpy, AnyKey, AnyModifier, root);
624 while (mons)
625 cleanupmon(mons);
626
627 if (showsystray) {
628 XUnmapWindow(dpy, systray->win);
629 XDestroyWindow(dpy, systray->win);
630 free(systray);
631 }
632
633 for (i = 0; i < CurLast; i++)
634 drw_cur_free(drw, cursor[i]);
635 for (i = 0; i < LENGTH(colors); i++)
636 free(scheme[i]);
637 free(scheme);
638 XDestroyWindow(dpy, wmcheckwin);
639 drw_free(drw);
640 XSync(dpy, False);
641 XSetInputFocus(dpy, PointerRoot, RevertToPointerRoot, CurrentTime);
642 XDeleteProperty(dpy, root, netatom[NetActiveWindow]);
643}
644
645void cleanupmon(Monitor *mon) {
646 Monitor *m;
647
648 if (mon == mons)
649 mons = mons->next;
650 else {
651 for (m = mons; m && m->next != mon; m = m->next)
652 ;
653 m->next = mon->next;
654 }
655 XUnmapWindow(dpy, mon->barwin);
656 XDestroyWindow(dpy, mon->barwin);
657 free(mon);
658}
659
660void clientmessage(XEvent *e) {
661 XWindowAttributes wa;
662 XSetWindowAttributes swa;
663 XClientMessageEvent *cme = &e->xclient;
664 Client *c = wintoclient(cme->window);
665
666 if (showsystray && cme->window == systray->win &&
667 cme->message_type == netatom[NetSystemTrayOP]) {
668 /* add systray icons */
669 if (cme->data.l[1] == SYSTEM_TRAY_REQUEST_DOCK) {
670 if (!(c = (Client *)calloc(1, sizeof(Client))))
671 die("fatal: could not malloc() %u bytes\n", sizeof(Client));
672 if (!(c->win = cme->data.l[2])) {
673 free(c);
674 return;
675 }
676 c->mon = selmon;
677 c->next = systray->icons;
678 systray->icons = c;
679 if (!XGetWindowAttributes(dpy, c->win, &wa)) {
680 /* use sane defaults */
681 wa.width = bh;
682 wa.height = bh;
683 wa.border_width = 0;
684 }
685 c->x = c->oldx = c->y = c->oldy = 0;
686 c->w = c->oldw = wa.width;
687 c->h = c->oldh = wa.height;
688 c->oldbw = wa.border_width;
689 c->bw = 0;
690 c->isfloating = True;
691 /* reuse tags field as mapped status */
692 c->tags = 1;
693 updatesizehints(c);
694 updatesystrayicongeom(c, wa.width, wa.height);
695 XAddToSaveSet(dpy, c->win);
696 XSelectInput(dpy, c->win,
697 StructureNotifyMask | PropertyChangeMask |
698 ResizeRedirectMask);
699 XReparentWindow(dpy, c->win, systray->win, 0, 0);
700 /* use parents background color */
701 swa.background_pixel = scheme[SchemeNorm][ColBg].pixel;
702 XChangeWindowAttributes(dpy, c->win, CWBackPixel, &swa);
703 sendevent(c->win, netatom[Xembed], StructureNotifyMask, CurrentTime,
704 XEMBED_EMBEDDED_NOTIFY, 0, systray->win,
705 XEMBED_EMBEDDED_VERSION);
706 /* FIXME not sure if I have to send these events, too */
707 sendevent(c->win, netatom[Xembed], StructureNotifyMask, CurrentTime,
708 XEMBED_FOCUS_IN, 0, systray->win, XEMBED_EMBEDDED_VERSION);
709 sendevent(c->win, netatom[Xembed], StructureNotifyMask, CurrentTime,
710 XEMBED_WINDOW_ACTIVATE, 0, systray->win,
711 XEMBED_EMBEDDED_VERSION);
712 sendevent(c->win, netatom[Xembed], StructureNotifyMask, CurrentTime,
713 XEMBED_MODALITY_ON, 0, systray->win, XEMBED_EMBEDDED_VERSION);
714 XSync(dpy, False);
715 resizebarwin(selmon);
716 updatesystray();
717 setclientstate(c, NormalState);
718 }
719 return;
720 }
721
722 if (!c)
723 return;
724 if (cme->message_type == netatom[NetWMState]) {
725 if (cme->data.l[1] == netatom[NetWMFullscreen] ||
726 cme->data.l[2] == netatom[NetWMFullscreen])
727 setfullscreen(c, (cme->data.l[0] == 1 /* _NET_WM_STATE_ADD */
728 || (cme->data.l[0] == 2 /* _NET_WM_STATE_TOGGLE */
729 && !c->isfullscreen)));
730 } else if (cme->message_type == netatom[NetActiveWindow]) {
731 if (c != selmon->sel && !c->isurgent)
732 seturgent(c, 1);
733 }
734}
735
736void configure(Client *c) {
737 XConfigureEvent ce;
738
739 ce.type = ConfigureNotify;
740 ce.display = dpy;
741 ce.event = c->win;
742 ce.window = c->win;
743 ce.x = c->x;
744 ce.y = c->y;
745 ce.width = c->w;
746 ce.height = c->h;
747 ce.border_width = c->bw;
748 ce.above = None;
749 ce.override_redirect = False;
750 XSendEvent(dpy, c->win, False, StructureNotifyMask, (XEvent *)&ce);
751}
752
753void configurenotify(XEvent *e) {
754 Monitor *m;
755 Client *c;
756 XConfigureEvent *ev = &e->xconfigure;
757 int dirty;
758
759 /* TODO: updategeom handling sucks, needs to be simplified */
760 if (ev->window == root) {
761 dirty = (sw != ev->width || sh != ev->height);
762 sw = ev->width;
763 sh = ev->height;
764 if (updategeom() || dirty) {
765 drw_resize(drw, sw, bh);
766 updatebars();
767 for (m = mons; m; m = m->next) {
768 for (c = m->clients; c; c = c->next)
769 if (c->isfullscreen)
770 resizeclient(c, m->mx, m->my, m->mw, m->mh);
771 resizebarwin(m);
772 }
773 focus(NULL);
774 arrange(NULL);
775 }
776 }
777}
778
779void configurerequest(XEvent *e) {
780 Client *c;
781 Monitor *m;
782 XConfigureRequestEvent *ev = &e->xconfigurerequest;
783 XWindowChanges wc;
784
785 if ((c = wintoclient(ev->window))) {
786 if (ev->value_mask & CWBorderWidth)
787 c->bw = ev->border_width;
788 else if (c->isfloating || !selmon->lt[selmon->sellt]->arrange) {
789 m = c->mon;
790 if (ev->value_mask & CWX) {
791 c->oldx = c->x;
792 c->x = m->mx + ev->x;
793 }
794 if (ev->value_mask & CWY) {
795 c->oldy = c->y;
796 c->y = m->my + ev->y;
797 }
798 if (ev->value_mask & CWWidth) {
799 c->oldw = c->w;
800 c->w = ev->width;
801 }
802 if (ev->value_mask & CWHeight) {
803 c->oldh = c->h;
804 c->h = ev->height;
805 }
806 if ((c->x + c->w) > m->mx + m->mw && c->isfloating)
807 c->x = m->mx + (m->mw / 2 - WIDTH(c) / 2); /* center in x direction */
808 if ((c->y + c->h) > m->my + m->mh && c->isfloating)
809 c->y = m->my + (m->mh / 2 - HEIGHT(c) / 2); /* center in y direction */
810 if ((ev->value_mask & (CWX | CWY)) &&
811 !(ev->value_mask & (CWWidth | CWHeight)))
812 configure(c);
813 if (ISVISIBLE(c))
814 XMoveResizeWindow(dpy, c->win, c->x, c->y, c->w, c->h);
815 } else
816 configure(c);
817 } else {
818 wc.x = ev->x;
819 wc.y = ev->y;
820 wc.width = ev->width;
821 wc.height = ev->height;
822 wc.border_width = ev->border_width;
823 wc.sibling = ev->above;
824 wc.stack_mode = ev->detail;
825 XConfigureWindow(dpy, ev->window, ev->value_mask, &wc);
826 }
827 XSync(dpy, False);
828}
829
830Monitor *createmon(void) {
831 Monitor *m;
832
833 m = ecalloc(1, sizeof(Monitor));
834 m->tagset[0] = m->tagset[1] = 1;
835 m->mfact = mfact;
836 m->nmaster = nmaster;
837 m->showbar = showbar;
838 m->topbar = topbar;
839 m->gappih = gappih;
840 m->gappiv = gappiv;
841 m->gappoh = gappoh;
842 m->gappov = gappov;
843 m->lt[0] = &layouts[0];
844 m->lt[1] = &layouts[1 % LENGTH(layouts)];
845 strncpy(m->ltsymbol, layouts[0].symbol, sizeof m->ltsymbol);
846 return m;
847}
848
849void destroynotify(XEvent *e) {
850 Client *c;
851 XDestroyWindowEvent *ev = &e->xdestroywindow;
852
853 if ((c = wintoclient(ev->window)))
854 unmanage(c, 1);
855 else if ((c = wintosystrayicon(ev->window))) {
856 removesystrayicon(c);
857 resizebarwin(selmon);
858 updatesystray();
859 } else if ((c = swallowingclient(ev->window)))
860 unmanage(c->swallowing, 1);
861}
862
863void detach(Client *c) {
864 Client **tc;
865
866 for (tc = &c->mon->clients; *tc && *tc != c; tc = &(*tc)->next)
867 ;
868 *tc = c->next;
869}
870
871void detachstack(Client *c) {
872 Client **tc, *t;
873
874 for (tc = &c->mon->stack; *tc && *tc != c; tc = &(*tc)->snext)
875 ;
876 *tc = c->snext;
877
878 if (c == c->mon->sel) {
879 for (t = c->mon->stack; t && !ISVISIBLE(t); t = t->snext)
880 ;
881 c->mon->sel = t;
882 }
883}
884
885Monitor *dirtomon(int dir) {
886 Monitor *m = NULL;
887
888 if (dir > 0) {
889 if (!(m = selmon->next))
890 m = mons;
891 } else if (selmon == mons)
892 for (m = mons; m->next; m = m->next)
893 ;
894 else
895 for (m = mons; m->next != selmon; m = m->next)
896 ;
897 return m;
898}
899
900void drawbar(Monitor *m) {
901 int x, w, tw = 0, stw = 0;
902 int boxs = drw->fonts->h / 9;
903 int boxw = drw->fonts->h / 6 + 2;
904 unsigned int i, occ = 0, urg = 0;
905 Client *c;
906
907 if (!m->showbar)
908 return;
909
910 if (showsystray && m == systraytomon(m) && !systrayonleft)
911 stw = getsystraywidth();
912
913 /* draw status first so it can be overdrawn by tags later */
914 if (m == selmon) { /* status is only drawn on selected monitor */
915 drw_setscheme(drw, scheme[SchemeNorm]);
916 tw = TEXTW(stext) - lrpad / 2 + 2; /* 2px extra right padding */
917 drw_text(drw, m->ww - tw - stw, 0, tw, bh, lrpad / 2 - 2, stext, 0);
918 }
919
920 resizebarwin(m);
921 for (c = m->clients; c; c = c->next) {
922 occ |= c->tags;
923 if (c->isurgent)
924 urg |= c->tags;
925 }
926 x = 0;
927 for (i = 0; i < LENGTH(tags); i++) {
928 /* Do not draw vacant tags */
929 if (!(occ & 1 << i || m->tagset[m->seltags] & 1 << i))
930 continue;
931 w = TEXTW(tags[i]);
932 drw_setscheme(
933 drw, scheme[m->tagset[m->seltags] & 1 << i ? SchemeSel : SchemeNorm]);
934 drw_text(drw, x, 0, w, bh, lrpad / 2, tags[i], urg & 1 << i);
935 if (occ & 1 << i)
936 drw_rect(drw, x + boxs, boxs, boxw, boxw,
937 m == selmon && selmon->sel && selmon->sel->tags & 1 << i,
938 urg & 1 << i);
939 x += w;
940 }
941 w = TEXTW(m->ltsymbol);
942 drw_setscheme(drw, scheme[SchemeNorm]);
943 x = drw_text(drw, x, 0, w, bh, lrpad / 2, m->ltsymbol, 0);
944
945 if ((w = m->ww - tw - stw - x) > bh) {
946 if (m->sel) {
947 drw_setscheme(drw, scheme[m == selmon ? SchemeSel : SchemeNorm]);
948 drw_text(drw, x, 0, w, bh, lrpad / 2, m->sel->name, 0);
949 if (m->sel->isfloating)
950 drw_rect(drw, x + boxs, boxs, boxw, boxw, m->sel->isfixed, 0);
951 } else {
952 drw_setscheme(drw, scheme[SchemeNorm]);
953 drw_rect(drw, x, 0, w, bh, 1, 1);
954 }
955 }
956 drw_map(drw, m->barwin, 0, 0, m->ww - stw, bh);
957}
958
959void drawbars(void) {
960 Monitor *m;
961
962 for (m = mons; m; m = m->next)
963 drawbar(m);
964}
965
966void enternotify(XEvent *e) {
967 Client *c;
968 Monitor *m;
969 XCrossingEvent *ev = &e->xcrossing;
970
971 if ((ev->mode != NotifyNormal || ev->detail == NotifyInferior) &&
972 ev->window != root)
973 return;
974 c = wintoclient(ev->window);
975 m = c ? c->mon : wintomon(ev->window);
976 if (m != selmon) {
977 unfocus(selmon->sel, 1);
978 selmon = m;
979 } else if (!c || c == selmon->sel)
980 return;
981 focus(c);
982}
983
984void expose(XEvent *e) {
985 Monitor *m;
986 XExposeEvent *ev = &e->xexpose;
987
988 if (ev->count == 0 && (m = wintomon(ev->window))) {
989 drawbar(m);
990 if (m == selmon)
991 updatesystray();
992 }
993}
994
995void focus(Client *c) {
996 if (!c || !ISVISIBLE(c))
997 for (c = selmon->stack; c && !ISVISIBLE(c); c = c->snext)
998 ;
999 if (selmon->sel && selmon->sel != c)
1000 unfocus(selmon->sel, 0);
1001 if (c) {
1002 if (c->mon != selmon)
1003 selmon = c->mon;
1004 if (c->isurgent)
1005 seturgent(c, 0);
1006 detachstack(c);
1007 attachstack(c);
1008 grabbuttons(c, 1);
1009 XSetWindowBorder(dpy, c->win, scheme[SchemeSel][ColBorder].pixel);
1010 setfocus(c);
1011 } else {
1012 XSetInputFocus(dpy, root, RevertToPointerRoot, CurrentTime);
1013 XDeleteProperty(dpy, root, netatom[NetActiveWindow]);
1014 }
1015 selmon->sel = c;
1016 drawbars();
1017}
1018
1019/* there are some broken focus acquiring clients needing extra handling */
1020void focusin(XEvent *e) {
1021 XFocusChangeEvent *ev = &e->xfocus;
1022
1023 if (selmon->sel && ev->window != selmon->sel->win)
1024 setfocus(selmon->sel);
1025}
1026
1027void focusmon(const Arg *arg) {
1028 Monitor *m;
1029
1030 if (!mons->next)
1031 return;
1032 if ((m = dirtomon(arg->i)) == selmon)
1033 return;
1034 unfocus(selmon->sel, 0);
1035 selmon = m;
1036 focus(NULL);
1037}
1038
1039void focusstack(const Arg *arg) {
1040 Client *c = NULL, *i;
1041
1042 if (!selmon->sel || (selmon->sel->isfullscreen && lockfullscreen))
1043 return;
1044 if (arg->i > 0) {
1045 for (c = selmon->sel->next; c && !ISVISIBLE(c); c = c->next)
1046 ;
1047 if (!c)
1048 for (c = selmon->clients; c && !ISVISIBLE(c); c = c->next)
1049 ;
1050 } else {
1051 for (i = selmon->clients; i != selmon->sel; i = i->next)
1052 if (ISVISIBLE(i))
1053 c = i;
1054 if (!c)
1055 for (; i; i = i->next)
1056 if (ISVISIBLE(i))
1057 c = i;
1058 }
1059 if (c) {
1060 focus(c);
1061 restack(selmon);
1062 }
1063}
1064
1065Atom getatomprop(Client *c, Atom prop) {
1066 int di;
1067 unsigned long dl;
1068 unsigned char *p = NULL;
1069 Atom da, atom = None;
1070
1071 /* FIXME getatomprop should return the number of items and a pointer to
1072 * the stored data instead of this workaround */
1073 Atom req = XA_ATOM;
1074 if (prop == xatom[XembedInfo])
1075 req = xatom[XembedInfo];
1076
1077 if (XGetWindowProperty(dpy, c->win, prop, 0L, sizeof atom, False, req, &da,
1078 &di, &dl, &dl, &p) == Success &&
1079 p) {
1080 atom = *(Atom *)p;
1081 if (da == xatom[XembedInfo] && dl == 2)
1082 atom = ((Atom *)p)[1];
1083 XFree(p);
1084 }
1085 return atom;
1086}
1087
1088unsigned int getsystraywidth() {
1089 unsigned int w = 0;
1090 Client *i;
1091 if (showsystray)
1092 for (i = systray->icons; i; w += i->w + systrayspacing, i = i->next)
1093 ;
1094 return w ? w + systrayspacing : 1;
1095}
1096
1097int getrootptr(int *x, int *y) {
1098 int di;
1099 unsigned int dui;
1100 Window dummy;
1101
1102 return XQueryPointer(dpy, root, &dummy, &dummy, x, y, &di, &di, &dui);
1103}
1104
1105long getstate(Window w) {
1106 int format;
1107 long result = -1;
1108 unsigned char *p = NULL;
1109 unsigned long n, extra;
1110 Atom real;
1111
1112 if (XGetWindowProperty(dpy, w, wmatom[WMState], 0L, 2L, False,
1113 wmatom[WMState], &real, &format, &n, &extra,
1114 (unsigned char **)&p) != Success)
1115 return -1;
1116 if (n != 0)
1117 result = *p;
1118 XFree(p);
1119 return result;
1120}
1121
1122int gettextprop(Window w, Atom atom, char *text, unsigned int size) {
1123 char **list = NULL;
1124 int n;
1125 XTextProperty name;
1126
1127 if (!text || size == 0)
1128 return 0;
1129 text[0] = '\0';
1130 if (!XGetTextProperty(dpy, w, &name, atom) || !name.nitems)
1131 return 0;
1132 if (name.encoding == XA_STRING) {
1133 strncpy(text, (char *)name.value, size - 1);
1134 } else if (XmbTextPropertyToTextList(dpy, &name, &list, &n) >= Success &&
1135 n > 0 && *list) {
1136 strncpy(text, *list, size - 1);
1137 XFreeStringList(list);
1138 }
1139 text[size - 1] = '\0';
1140 XFree(name.value);
1141 return 1;
1142}
1143
1144void grabbuttons(Client *c, int focused) {
1145 updatenumlockmask();
1146 {
1147 unsigned int i, j;
1148 unsigned int modifiers[] = {0, LockMask, numlockmask,
1149 numlockmask | LockMask};
1150 XUngrabButton(dpy, AnyButton, AnyModifier, c->win);
1151 if (!focused)
1152 XGrabButton(dpy, AnyButton, AnyModifier, c->win, False, BUTTONMASK,
1153 GrabModeSync, GrabModeSync, None, None);
1154 for (i = 0; i < LENGTH(buttons); i++)
1155 if (buttons[i].click == ClkClientWin)
1156 for (j = 0; j < LENGTH(modifiers); j++)
1157 XGrabButton(dpy, buttons[i].button, buttons[i].mask | modifiers[j],
1158 c->win, False, BUTTONMASK, GrabModeAsync, GrabModeSync,
1159 None, None);
1160 }
1161}
1162
1163void grabkeys(void) {
1164 updatenumlockmask();
1165 {
1166 unsigned int i, j, k;
1167 unsigned int modifiers[] = {0, LockMask, numlockmask,
1168 numlockmask | LockMask};
1169 int start, end, skip;
1170 KeySym *syms;
1171
1172 XUngrabKey(dpy, AnyKey, AnyModifier, root);
1173 XDisplayKeycodes(dpy, &start, &end);
1174 syms = XGetKeyboardMapping(dpy, start, end - start + 1, &skip);
1175 if (!syms)
1176 return;
1177 for (k = start; k <= end; k++)
1178 for (i = 0; i < LENGTH(keys); i++)
1179 /* skip modifier codes, we do that ourselves */
1180 if (keys[i].keysym == syms[(k - start) * skip])
1181 for (j = 0; j < LENGTH(modifiers); j++)
1182 XGrabKey(dpy, k, keys[i].mod | modifiers[j], root, True,
1183 GrabModeAsync, GrabModeAsync);
1184 XFree(syms);
1185 }
1186}
1187
1188void incnmaster(const Arg *arg) {
1189 selmon->nmaster = MAX(selmon->nmaster + arg->i, 0);
1190 arrange(selmon);
1191}
1192
1193#ifdef XINERAMA
1194static int isuniquegeom(XineramaScreenInfo *unique, size_t n,
1195 XineramaScreenInfo *info) {
1196 while (n--)
1197 if (unique[n].x_org == info->x_org && unique[n].y_org == info->y_org &&
1198 unique[n].width == info->width && unique[n].height == info->height)
1199 return 0;
1200 return 1;
1201}
1202#endif /* XINERAMA */
1203
1204void keypress(XEvent *e) {
1205 unsigned int i;
1206 KeySym keysym;
1207 XKeyEvent *ev;
1208
1209 ev = &e->xkey;
1210 keysym = XKeycodeToKeysym(dpy, (KeyCode)ev->keycode, 0);
1211 for (i = 0; i < LENGTH(keys); i++)
1212 if (keysym == keys[i].keysym &&
1213 CLEANMASK(keys[i].mod) == CLEANMASK(ev->state) && keys[i].func)
1214 keys[i].func(&(keys[i].arg));
1215}
1216
1217void killclient(const Arg *arg) {
1218 if (!selmon->sel)
1219 return;
1220
1221 if (!sendevent(selmon->sel->win, wmatom[WMDelete], NoEventMask,
1222 wmatom[WMDelete], CurrentTime, 0, 0, 0)) {
1223 XGrabServer(dpy);
1224 XSetErrorHandler(xerrordummy);
1225 XSetCloseDownMode(dpy, DestroyAll);
1226 XKillClient(dpy, selmon->sel->win);
1227 XSync(dpy, False);
1228 XSetErrorHandler(xerror);
1229 XUngrabServer(dpy);
1230 }
1231}
1232
1233void manage(Window w, XWindowAttributes *wa) {
1234 Client *c, *t = NULL, *term = NULL;
1235 Window trans = None;
1236 XWindowChanges wc;
1237
1238 c = ecalloc(1, sizeof(Client));
1239 c->win = w;
1240 c->pid = winpid(w);
1241 /* geometry */
1242 c->x = c->oldx = wa->x;
1243 c->y = c->oldy = wa->y;
1244 c->w = c->oldw = wa->width;
1245 c->h = c->oldh = wa->height;
1246 c->oldbw = wa->border_width;
1247
1248 updatetitle(c);
1249 if (XGetTransientForHint(dpy, w, &trans) && (t = wintoclient(trans))) {
1250 c->mon = t->mon;
1251 c->tags = t->tags;
1252 } else {
1253 c->mon = selmon;
1254 applyrules(c);
1255 term = termforwin(c);
1256 }
1257
1258 if (c->x + WIDTH(c) > c->mon->wx + c->mon->ww)
1259 c->x = c->mon->wx + c->mon->ww - WIDTH(c);
1260 if (c->y + HEIGHT(c) > c->mon->wy + c->mon->wh)
1261 c->y = c->mon->wy + c->mon->wh - HEIGHT(c);
1262 c->x = MAX(c->x, c->mon->wx);
1263 c->y = MAX(c->y, c->mon->wy);
1264 c->bw = borderpx;
1265
1266 wc.border_width = c->bw;
1267 XConfigureWindow(dpy, w, CWBorderWidth, &wc);
1268 XSetWindowBorder(dpy, w, scheme[SchemeNorm][ColBorder].pixel);
1269 configure(c); /* propagates border_width, if size doesn't change */
1270 updatewindowtype(c);
1271 updatesizehints(c);
1272 updatewmhints(c);
1273 XSelectInput(dpy, w,
1274 EnterWindowMask | FocusChangeMask | PropertyChangeMask |
1275 StructureNotifyMask);
1276 grabbuttons(c, 0);
1277 if (!c->isfloating)
1278 c->isfloating = c->oldstate = trans != None || c->isfixed;
1279 if (c->isfloating)
1280 XRaiseWindow(dpy, c->win);
1281 attach(c);
1282 attachstack(c);
1283 XChangeProperty(dpy, root, netatom[NetClientList], XA_WINDOW, 32,
1284 PropModeAppend, (unsigned char *)&(c->win), 1);
1285 XMoveResizeWindow(dpy, c->win, c->x + 2 * sw, c->y, c->w,
1286 c->h); /* some windows require this */
1287 setclientstate(c, NormalState);
1288 if (c->mon == selmon)
1289 unfocus(selmon->sel, 0);
1290 c->mon->sel = c;
1291 arrange(c->mon);
1292 XMapWindow(dpy, c->win);
1293 if (term)
1294 swallow(term, c);
1295 focus(NULL);
1296}
1297
1298void mappingnotify(XEvent *e) {
1299 XMappingEvent *ev = &e->xmapping;
1300
1301 XRefreshKeyboardMapping(ev);
1302 if (ev->request == MappingKeyboard)
1303 grabkeys();
1304}
1305
1306void maprequest(XEvent *e) {
1307 static XWindowAttributes wa;
1308 XMapRequestEvent *ev = &e->xmaprequest;
1309
1310 Client *i;
1311 if ((i = wintosystrayicon(ev->window))) {
1312 sendevent(i->win, netatom[Xembed], StructureNotifyMask, CurrentTime,
1313 XEMBED_WINDOW_ACTIVATE, 0, systray->win, XEMBED_EMBEDDED_VERSION);
1314 resizebarwin(selmon);
1315 updatesystray();
1316 }
1317
1318 if (!XGetWindowAttributes(dpy, ev->window, &wa) || wa.override_redirect)
1319 return;
1320 if (!wintoclient(ev->window))
1321 manage(ev->window, &wa);
1322}
1323
1324void monocle(Monitor *m) {
1325 unsigned int n = 0;
1326 Client *c;
1327
1328 for (c = m->clients; c; c = c->next)
1329 if (ISVISIBLE(c))
1330 n++;
1331 if (n > 0) /* override layout symbol */
1332 snprintf(m->ltsymbol, sizeof m->ltsymbol, "[%d]", n);
1333 for (c = nexttiled(m->clients); c; c = nexttiled(c->next))
1334 resize(c, m->wx, m->wy, m->ww - 2 * c->bw, m->wh - 2 * c->bw, 0);
1335}
1336
1337void motionnotify(XEvent *e) {
1338 static Monitor *mon = NULL;
1339 Monitor *m;
1340 XMotionEvent *ev = &e->xmotion;
1341
1342 if (ev->window != root)
1343 return;
1344 if ((m = recttomon(ev->x_root, ev->y_root, 1, 1)) != mon && mon) {
1345 unfocus(selmon->sel, 1);
1346 selmon = m;
1347 focus(NULL);
1348 }
1349 mon = m;
1350}
1351
1352void movemouse(const Arg *arg) {
1353 int x, y, ocx, ocy, nx, ny;
1354 Client *c;
1355 Monitor *m;
1356 XEvent ev;
1357 Time lasttime = 0;
1358
1359 if (!(c = selmon->sel))
1360 return;
1361 if (c->isfullscreen) /* no support moving fullscreen windows by mouse */
1362 return;
1363 restack(selmon);
1364 ocx = c->x;
1365 ocy = c->y;
1366 if (XGrabPointer(dpy, root, False, MOUSEMASK, GrabModeAsync, GrabModeAsync,
1367 None, cursor[CurMove]->cursor, CurrentTime) != GrabSuccess)
1368 return;
1369 if (!getrootptr(&x, &y))
1370 return;
1371 do {
1372 XMaskEvent(dpy, MOUSEMASK | ExposureMask | SubstructureRedirectMask, &ev);
1373 switch (ev.type) {
1374 case ConfigureRequest:
1375 case Expose:
1376 case MapRequest:
1377 handler[ev.type](&ev);
1378 break;
1379 case MotionNotify:
1380 if ((ev.xmotion.time - lasttime) <= (1000 / 60))
1381 continue;
1382 lasttime = ev.xmotion.time;
1383
1384 nx = ocx + (ev.xmotion.x - x);
1385 ny = ocy + (ev.xmotion.y - y);
1386 if (abs(selmon->wx - nx) < snap)
1387 nx = selmon->wx;
1388 else if (abs((selmon->wx + selmon->ww) - (nx + WIDTH(c))) < snap)
1389 nx = selmon->wx + selmon->ww - WIDTH(c);
1390 if (abs(selmon->wy - ny) < snap)
1391 ny = selmon->wy;
1392 else if (abs((selmon->wy + selmon->wh) - (ny + HEIGHT(c))) < snap)
1393 ny = selmon->wy + selmon->wh - HEIGHT(c);
1394 if (!c->isfloating && selmon->lt[selmon->sellt]->arrange &&
1395 (abs(nx - c->x) > snap || abs(ny - c->y) > snap))
1396 togglefloating(NULL);
1397 if (!selmon->lt[selmon->sellt]->arrange || c->isfloating)
1398 resize(c, nx, ny, c->w, c->h, 1);
1399 break;
1400 }
1401 } while (ev.type != ButtonRelease);
1402 XUngrabPointer(dpy, CurrentTime);
1403 if ((m = recttomon(c->x, c->y, c->w, c->h)) != selmon) {
1404 sendmon(c, m);
1405 selmon = m;
1406 focus(NULL);
1407 }
1408}
1409
1410Client *nexttiled(Client *c) {
1411 for (; c && (c->isfloating || !ISVISIBLE(c)); c = c->next)
1412 ;
1413 return c;
1414}
1415
1416void pop(Client *c) {
1417 detach(c);
1418 attach(c);
1419 focus(c);
1420 arrange(c->mon);
1421}
1422
1423void propertynotify(XEvent *e) {
1424 Client *c;
1425 Window trans;
1426 XPropertyEvent *ev = &e->xproperty;
1427
1428 if ((c = wintosystrayicon(ev->window))) {
1429 if (ev->atom == XA_WM_NORMAL_HINTS) {
1430 updatesizehints(c);
1431 updatesystrayicongeom(c, c->w, c->h);
1432 } else
1433 updatesystrayiconstate(c, ev);
1434 resizebarwin(selmon);
1435 updatesystray();
1436 }
1437
1438 if ((ev->window == root) && (ev->atom == XA_WM_NAME))
1439 updatestatus();
1440 else if (ev->state == PropertyDelete)
1441 return; /* ignore */
1442 else if ((c = wintoclient(ev->window))) {
1443 switch (ev->atom) {
1444 default:
1445 break;
1446 case XA_WM_TRANSIENT_FOR:
1447 if (!c->isfloating && (XGetTransientForHint(dpy, c->win, &trans)) &&
1448 (c->isfloating = (wintoclient(trans)) != NULL))
1449 arrange(c->mon);
1450 break;
1451 case XA_WM_NORMAL_HINTS:
1452 c->hintsvalid = 0;
1453 break;
1454 case XA_WM_HINTS:
1455 updatewmhints(c);
1456 drawbars();
1457 break;
1458 }
1459 if (ev->atom == XA_WM_NAME || ev->atom == netatom[NetWMName]) {
1460 updatetitle(c);
1461 if (c == c->mon->sel)
1462 drawbar(c->mon);
1463 }
1464 if (ev->atom == netatom[NetWMWindowType])
1465 updatewindowtype(c);
1466 }
1467}
1468
1469void quit(const Arg *arg) { running = 0; }
1470
1471Monitor *recttomon(int x, int y, int w, int h) {
1472 Monitor *m, *r = selmon;
1473 int a, area = 0;
1474
1475 for (m = mons; m; m = m->next)
1476 if ((a = INTERSECT(x, y, w, h, m)) > area) {
1477 area = a;
1478 r = m;
1479 }
1480 return r;
1481}
1482
1483void removesystrayicon(Client *i) {
1484 Client **ii;
1485
1486 if (!showsystray || !i)
1487 return;
1488 for (ii = &systray->icons; *ii && *ii != i; ii = &(*ii)->next)
1489 ;
1490 if (ii)
1491 *ii = i->next;
1492 free(i);
1493}
1494
1495void resize(Client *c, int x, int y, int w, int h, int interact) {
1496 if (applysizehints(c, &x, &y, &w, &h, interact))
1497 resizeclient(c, x, y, w, h);
1498}
1499
1500void resizebarwin(Monitor *m) {
1501 unsigned int w = m->ww;
1502 if (showsystray && m == systraytomon(m) && !systrayonleft)
1503 w -= getsystraywidth();
1504 XMoveResizeWindow(dpy, m->barwin, m->wx, m->by, w, bh);
1505}
1506
1507void resizeclient(Client *c, int x, int y, int w, int h) {
1508 XWindowChanges wc;
1509
1510 c->oldx = c->x;
1511 c->x = wc.x = x;
1512 c->oldy = c->y;
1513 c->y = wc.y = y;
1514 c->oldw = c->w;
1515 c->w = wc.width = w;
1516 c->oldh = c->h;
1517 c->h = wc.height = h;
1518 wc.border_width = c->bw;
1519 XConfigureWindow(dpy, c->win, CWX | CWY | CWWidth | CWHeight | CWBorderWidth,
1520 &wc);
1521 configure(c);
1522 XSync(dpy, False);
1523}
1524
1525void resizerequest(XEvent *e) {
1526 XResizeRequestEvent *ev = &e->xresizerequest;
1527 Client *i;
1528
1529 if ((i = wintosystrayicon(ev->window))) {
1530 updatesystrayicongeom(i, ev->width, ev->height);
1531 resizebarwin(selmon);
1532 updatesystray();
1533 }
1534}
1535
1536void resizemouse(const Arg *arg) {
1537 int ocx, ocy, nw, nh;
1538 Client *c;
1539 Monitor *m;
1540 XEvent ev;
1541 Time lasttime = 0;
1542
1543 if (!(c = selmon->sel))
1544 return;
1545 if (c->isfullscreen) /* no support resizing fullscreen windows by mouse */
1546 return;
1547 restack(selmon);
1548 ocx = c->x;
1549 ocy = c->y;
1550 if (XGrabPointer(dpy, root, False, MOUSEMASK, GrabModeAsync, GrabModeAsync,
1551 None, cursor[CurResize]->cursor, CurrentTime) != GrabSuccess)
1552 return;
1553 XWarpPointer(dpy, None, c->win, 0, 0, 0, 0, c->w + c->bw - 1,
1554 c->h + c->bw - 1);
1555 do {
1556 XMaskEvent(dpy, MOUSEMASK | ExposureMask | SubstructureRedirectMask, &ev);
1557 switch (ev.type) {
1558 case ConfigureRequest:
1559 case Expose:
1560 case MapRequest:
1561 handler[ev.type](&ev);
1562 break;
1563 case MotionNotify:
1564 if ((ev.xmotion.time - lasttime) <= (1000 / 60))
1565 continue;
1566 lasttime = ev.xmotion.time;
1567
1568 nw = MAX(ev.xmotion.x - ocx - 2 * c->bw + 1, 1);
1569 nh = MAX(ev.xmotion.y - ocy - 2 * c->bw + 1, 1);
1570 if (c->mon->wx + nw >= selmon->wx &&
1571 c->mon->wx + nw <= selmon->wx + selmon->ww &&
1572 c->mon->wy + nh >= selmon->wy &&
1573 c->mon->wy + nh <= selmon->wy + selmon->wh) {
1574 if (!c->isfloating && selmon->lt[selmon->sellt]->arrange &&
1575 (abs(nw - c->w) > snap || abs(nh - c->h) > snap))
1576 togglefloating(NULL);
1577 }
1578 if (!selmon->lt[selmon->sellt]->arrange || c->isfloating)
1579 resize(c, c->x, c->y, nw, nh, 1);
1580 break;
1581 }
1582 } while (ev.type != ButtonRelease);
1583 XWarpPointer(dpy, None, c->win, 0, 0, 0, 0, c->w + c->bw - 1,
1584 c->h + c->bw - 1);
1585 XUngrabPointer(dpy, CurrentTime);
1586 while (XCheckMaskEvent(dpy, EnterWindowMask, &ev))
1587 ;
1588 if ((m = recttomon(c->x, c->y, c->w, c->h)) != selmon) {
1589 sendmon(c, m);
1590 selmon = m;
1591 focus(NULL);
1592 }
1593}
1594
1595void restack(Monitor *m) {
1596 Client *c;
1597 XEvent ev;
1598 XWindowChanges wc;
1599
1600 drawbar(m);
1601 if (!m->sel)
1602 return;
1603 if (m->sel->isfloating || !m->lt[m->sellt]->arrange)
1604 XRaiseWindow(dpy, m->sel->win);
1605 if (m->lt[m->sellt]->arrange) {
1606 wc.stack_mode = Below;
1607 wc.sibling = m->barwin;
1608 for (c = m->stack; c; c = c->snext)
1609 if (!c->isfloating && ISVISIBLE(c)) {
1610 XConfigureWindow(dpy, c->win, CWSibling | CWStackMode, &wc);
1611 wc.sibling = c->win;
1612 }
1613 }
1614 XSync(dpy, False);
1615 while (XCheckMaskEvent(dpy, EnterWindowMask, &ev))
1616 ;
1617}
1618
1619void run(void) {
1620 XEvent ev;
1621 /* main event loop */
1622 XSync(dpy, False);
1623 while (running && !XNextEvent(dpy, &ev))
1624 if (handler[ev.type])
1625 handler[ev.type](&ev); /* call handler */
1626}
1627
1628void scan(void) {
1629 unsigned int i, num;
1630 Window d1, d2, *wins = NULL;
1631 XWindowAttributes wa;
1632
1633 if (XQueryTree(dpy, root, &d1, &d2, &wins, &num)) {
1634 for (i = 0; i < num; i++) {
1635 if (!XGetWindowAttributes(dpy, wins[i], &wa) || wa.override_redirect ||
1636 XGetTransientForHint(dpy, wins[i], &d1))
1637 continue;
1638 if (wa.map_state == IsViewable || getstate(wins[i]) == IconicState)
1639 manage(wins[i], &wa);
1640 }
1641 for (i = 0; i < num; i++) { /* now the transients */
1642 if (!XGetWindowAttributes(dpy, wins[i], &wa))
1643 continue;
1644 if (XGetTransientForHint(dpy, wins[i], &d1) &&
1645 (wa.map_state == IsViewable || getstate(wins[i]) == IconicState))
1646 manage(wins[i], &wa);
1647 }
1648 if (wins)
1649 XFree(wins);
1650 }
1651}
1652
1653void sendmon(Client *c, Monitor *m) {
1654 if (c->mon == m)
1655 return;
1656 unfocus(c, 1);
1657 detach(c);
1658 detachstack(c);
1659 c->mon = m;
1660 c->tags = m->tagset[m->seltags]; /* assign tags of target monitor */
1661 attach(c);
1662 attachstack(c);
1663 focus(NULL);
1664 arrange(NULL);
1665}
1666
1667void setclientstate(Client *c, long state) {
1668 long data[] = {state, None};
1669
1670 XChangeProperty(dpy, c->win, wmatom[WMState], wmatom[WMState], 32,
1671 PropModeReplace, (unsigned char *)data, 2);
1672}
1673
1674int sendevent(Window w, Atom proto, int mask, long d0, long d1, long d2,
1675 long d3, long d4) {
1676 int n;
1677 Atom *protocols, mt;
1678 int exists = 0;
1679 XEvent ev;
1680
1681 if (proto == wmatom[WMTakeFocus] || proto == wmatom[WMDelete]) {
1682 mt = wmatom[WMProtocols];
1683 if (XGetWMProtocols(dpy, w, &protocols, &n)) {
1684 while (!exists && n--)
1685 exists = protocols[n] == proto;
1686 XFree(protocols);
1687 }
1688 } else {
1689 exists = True;
1690 mt = proto;
1691 }
1692
1693 if (exists) {
1694 ev.type = ClientMessage;
1695 ev.xclient.window = w;
1696 ev.xclient.message_type = mt;
1697 ev.xclient.format = 32;
1698 ev.xclient.data.l[0] = d0;
1699 ev.xclient.data.l[1] = d1;
1700 ev.xclient.data.l[2] = d2;
1701 ev.xclient.data.l[3] = d3;
1702 ev.xclient.data.l[4] = d4;
1703 XSendEvent(dpy, w, False, mask, &ev);
1704 }
1705 return exists;
1706}
1707
1708void setfocus(Client *c) {
1709 if (!c->neverfocus) {
1710 XSetInputFocus(dpy, c->win, RevertToPointerRoot, CurrentTime);
1711 XChangeProperty(dpy, root, netatom[NetActiveWindow], XA_WINDOW, 32,
1712 PropModeReplace, (unsigned char *)&(c->win), 1);
1713 }
1714 sendevent(c->win, wmatom[WMTakeFocus], NoEventMask, wmatom[WMTakeFocus],
1715 CurrentTime, 0, 0, 0);
1716}
1717
1718void setfullscreen(Client *c, int fullscreen) {
1719 if (fullscreen && !c->isfullscreen) {
1720 XChangeProperty(dpy, c->win, netatom[NetWMState], XA_ATOM, 32,
1721 PropModeReplace, (unsigned char *)&netatom[NetWMFullscreen],
1722 1);
1723 c->isfullscreen = 1;
1724 c->oldstate = c->isfloating;
1725 c->oldbw = c->bw;
1726 c->bw = 0;
1727 c->isfloating = 1;
1728 resizeclient(c, c->mon->mx, c->mon->my, c->mon->mw, c->mon->mh);
1729 XRaiseWindow(dpy, c->win);
1730 } else if (!fullscreen && c->isfullscreen) {
1731 XChangeProperty(dpy, c->win, netatom[NetWMState], XA_ATOM, 32,
1732 PropModeReplace, (unsigned char *)0, 0);
1733 c->isfullscreen = 0;
1734 c->isfloating = c->oldstate;
1735 c->bw = c->oldbw;
1736 c->x = c->oldx;
1737 c->y = c->oldy;
1738 c->w = c->oldw;
1739 c->h = c->oldh;
1740 resizeclient(c, c->x, c->y, c->w, c->h);
1741 arrange(c->mon);
1742 }
1743}
1744
1745void setgaps(int oh, int ov, int ih, int iv) {
1746 if (oh < 0)
1747 oh = 0;
1748 if (ov < 0)
1749 ov = 0;
1750 if (ih < 0)
1751 ih = 0;
1752 if (iv < 0)
1753 iv = 0;
1754
1755 selmon->gappoh = oh;
1756 selmon->gappov = ov;
1757 selmon->gappih = ih;
1758 selmon->gappiv = iv;
1759 arrange(selmon);
1760}
1761
1762void togglegaps(const Arg *arg) {
1763 enablegaps = !enablegaps;
1764 arrange(selmon);
1765}
1766
1767void defaultgaps(const Arg *arg) { setgaps(gappoh, gappov, gappih, gappiv); }
1768
1769void incrgaps(const Arg *arg) {
1770 setgaps(selmon->gappoh + arg->i, selmon->gappov + arg->i,
1771 selmon->gappih + arg->i, selmon->gappiv + arg->i);
1772}
1773
1774void incrigaps(const Arg *arg) {
1775 setgaps(selmon->gappoh, selmon->gappov, selmon->gappih + arg->i,
1776 selmon->gappiv + arg->i);
1777}
1778
1779void incrogaps(const Arg *arg) {
1780 setgaps(selmon->gappoh + arg->i, selmon->gappov + arg->i, selmon->gappih,
1781 selmon->gappiv);
1782}
1783
1784void incrohgaps(const Arg *arg) {
1785 setgaps(selmon->gappoh + arg->i, selmon->gappov, selmon->gappih,
1786 selmon->gappiv);
1787}
1788
1789void incrovgaps(const Arg *arg) {
1790 setgaps(selmon->gappoh, selmon->gappov + arg->i, selmon->gappih,
1791 selmon->gappiv);
1792}
1793
1794void incrihgaps(const Arg *arg) {
1795 setgaps(selmon->gappoh, selmon->gappov, selmon->gappih + arg->i,
1796 selmon->gappiv);
1797}
1798
1799void incrivgaps(const Arg *arg) {
1800 setgaps(selmon->gappoh, selmon->gappov, selmon->gappih,
1801 selmon->gappiv + arg->i);
1802}
1803
1804void setlayout(const Arg *arg) {
1805 if (!arg || !arg->v || arg->v != selmon->lt[selmon->sellt])
1806 selmon->sellt ^= 1;
1807 if (arg && arg->v)
1808 selmon->lt[selmon->sellt] = (Layout *)arg->v;
1809 strncpy(selmon->ltsymbol, selmon->lt[selmon->sellt]->symbol,
1810 sizeof selmon->ltsymbol);
1811 if (selmon->sel)
1812 arrange(selmon);
1813 else
1814 drawbar(selmon);
1815}
1816
1817/* arg > 1.0 will set mfact absolutely */
1818void setmfact(const Arg *arg) {
1819 float f;
1820
1821 if (!arg || !selmon->lt[selmon->sellt]->arrange)
1822 return;
1823 f = arg->f < 1.0 ? arg->f + selmon->mfact : arg->f - 1.0;
1824 if (f < 0.05 || f > 0.95)
1825 return;
1826 selmon->mfact = f;
1827 arrange(selmon);
1828}
1829
1830void setup(void) {
1831 int i;
1832 XSetWindowAttributes wa;
1833 Atom utf8string;
1834 struct sigaction sa;
1835
1836 /* do not transform children into zombies when they terminate */
1837 sigemptyset(&sa.sa_mask);
1838 sa.sa_flags = SA_NOCLDSTOP | SA_NOCLDWAIT | SA_RESTART;
1839 sa.sa_handler = SIG_IGN;
1840 sigaction(SIGCHLD, &sa, NULL);
1841
1842 /* clean up any zombies (inherited from .xinitrc etc) immediately */
1843 while (waitpid(-1, NULL, WNOHANG) > 0)
1844 ;
1845
1846 /* init screen */
1847 screen = DefaultScreen(dpy);
1848 sw = DisplayWidth(dpy, screen);
1849 sh = DisplayHeight(dpy, screen);
1850 root = RootWindow(dpy, screen);
1851 drw = drw_create(dpy, screen, root, sw, sh);
1852 if (!drw_fontset_create(drw, fonts, LENGTH(fonts)))
1853 die("no fonts could be loaded.");
1854 lrpad = drw->fonts->h;
1855 bh = drw->fonts->h + 2;
1856 updategeom();
1857 /* init atoms */
1858 utf8string = XInternAtom(dpy, "UTF8_STRING", False);
1859 wmatom[WMProtocols] = XInternAtom(dpy, "WM_PROTOCOLS", False);
1860 wmatom[WMDelete] = XInternAtom(dpy, "WM_DELETE_WINDOW", False);
1861 wmatom[WMState] = XInternAtom(dpy, "WM_STATE", False);
1862 wmatom[WMTakeFocus] = XInternAtom(dpy, "WM_TAKE_FOCUS", False);
1863 netatom[NetActiveWindow] = XInternAtom(dpy, "_NET_ACTIVE_WINDOW", False);
1864 netatom[NetSupported] = XInternAtom(dpy, "_NET_SUPPORTED", False);
1865 netatom[NetSystemTray] = XInternAtom(dpy, "_NET_SYSTEM_TRAY_S0", False);
1866 netatom[NetSystemTrayOP] = XInternAtom(dpy, "_NET_SYSTEM_TRAY_OPCODE", False);
1867 netatom[NetSystemTrayOrientation] =
1868 XInternAtom(dpy, "_NET_SYSTEM_TRAY_ORIENTATION", False);
1869 netatom[NetSystemTrayOrientationHorz] =
1870 XInternAtom(dpy, "_NET_SYSTEM_TRAY_ORIENTATION_HORZ", False);
1871 netatom[NetWMName] = XInternAtom(dpy, "_NET_WM_NAME", False);
1872 netatom[NetWMState] = XInternAtom(dpy, "_NET_WM_STATE", False);
1873 netatom[NetWMCheck] = XInternAtom(dpy, "_NET_SUPPORTING_WM_CHECK", False);
1874 netatom[NetWMFullscreen] =
1875 XInternAtom(dpy, "_NET_WM_STATE_FULLSCREEN", False);
1876 netatom[NetWMWindowType] = XInternAtom(dpy, "_NET_WM_WINDOW_TYPE", False);
1877 netatom[NetWMWindowTypeDialog] =
1878 XInternAtom(dpy, "_NET_WM_WINDOW_TYPE_DIALOG", False);
1879 netatom[NetClientList] = XInternAtom(dpy, "_NET_CLIENT_LIST", False);
1880 xatom[Manager] = XInternAtom(dpy, "MANAGER", False);
1881 xatom[Xembed] = XInternAtom(dpy, "_XEMBED", False);
1882 xatom[XembedInfo] = XInternAtom(dpy, "_XEMBED_INFO", False);
1883 /* init cursors */
1884 cursor[CurNormal] = drw_cur_create(drw, XC_left_ptr);
1885 cursor[CurResize] = drw_cur_create(drw, XC_sizing);
1886 cursor[CurMove] = drw_cur_create(drw, XC_fleur);
1887 /* init appearance */
1888 scheme = ecalloc(LENGTH(colors), sizeof(Clr *));
1889 for (i = 0; i < LENGTH(colors); i++)
1890 scheme[i] = drw_scm_create(drw, colors[i], 3);
1891 /* init system tray */
1892 updatesystray();
1893 /* init bars */
1894 updatebars();
1895 updatestatus();
1896 /* supporting window for NetWMCheck */
1897 wmcheckwin = XCreateSimpleWindow(dpy, root, 0, 0, 1, 1, 0, 0, 0);
1898 XChangeProperty(dpy, wmcheckwin, netatom[NetWMCheck], XA_WINDOW, 32,
1899 PropModeReplace, (unsigned char *)&wmcheckwin, 1);
1900 XChangeProperty(dpy, wmcheckwin, netatom[NetWMName], utf8string, 8,
1901 PropModeReplace, (unsigned char *)"dwm", 3);
1902 XChangeProperty(dpy, root, netatom[NetWMCheck], XA_WINDOW, 32,
1903 PropModeReplace, (unsigned char *)&wmcheckwin, 1);
1904 /* EWMH support per view */
1905 XChangeProperty(dpy, root, netatom[NetSupported], XA_ATOM, 32,
1906 PropModeReplace, (unsigned char *)netatom, NetLast);
1907 XDeleteProperty(dpy, root, netatom[NetClientList]);
1908 /* select events */
1909 wa.cursor = cursor[CurNormal]->cursor;
1910 wa.event_mask = SubstructureRedirectMask | SubstructureNotifyMask |
1911 ButtonPressMask | PointerMotionMask | EnterWindowMask |
1912 LeaveWindowMask | StructureNotifyMask | PropertyChangeMask;
1913 XChangeWindowAttributes(dpy, root, CWEventMask | CWCursor, &wa);
1914 XSelectInput(dpy, root, wa.event_mask);
1915 grabkeys();
1916 focus(NULL);
1917}
1918
1919void seturgent(Client *c, int urg) {
1920 XWMHints *wmh;
1921
1922 c->isurgent = urg;
1923 if (!(wmh = XGetWMHints(dpy, c->win)))
1924 return;
1925 wmh->flags = urg ? (wmh->flags | XUrgencyHint) : (wmh->flags & ~XUrgencyHint);
1926 XSetWMHints(dpy, c->win, wmh);
1927 XFree(wmh);
1928}
1929
1930void showhide(Client *c) {
1931 if (!c)
1932 return;
1933 if (ISVISIBLE(c)) {
1934 /* show clients top down */
1935 XMoveWindow(dpy, c->win, c->x, c->y);
1936 if ((!c->mon->lt[c->mon->sellt]->arrange || c->isfloating) &&
1937 !c->isfullscreen)
1938 resize(c, c->x, c->y, c->w, c->h, 0);
1939 showhide(c->snext);
1940 } else {
1941 /* hide clients bottom up */
1942 showhide(c->snext);
1943 XMoveWindow(dpy, c->win, WIDTH(c) * -2, c->y);
1944 }
1945}
1946
1947void spawn(const Arg *arg) {
1948 struct sigaction sa;
1949
1950 if (arg->v == dmenucmd)
1951 dmenumon[0] = '0' + selmon->num;
1952 if (fork() == 0) {
1953 if (dpy)
1954 close(ConnectionNumber(dpy));
1955 setsid();
1956
1957 sigemptyset(&sa.sa_mask);
1958 sa.sa_flags = 0;
1959 sa.sa_handler = SIG_DFL;
1960 sigaction(SIGCHLD, &sa, NULL);
1961
1962 execvp(((char **)arg->v)[0], (char **)arg->v);
1963 die("dwm: execvp '%s' failed:", ((char **)arg->v)[0]);
1964 }
1965}
1966
1967void tag(const Arg *arg) {
1968 if (selmon->sel && arg->ui & TAGMASK) {
1969 selmon->sel->tags = arg->ui & TAGMASK;
1970 focus(NULL);
1971 arrange(selmon);
1972 }
1973}
1974
1975void tagmon(const Arg *arg) {
1976 if (!selmon->sel || !mons->next)
1977 return;
1978 sendmon(selmon->sel, dirtomon(arg->i));
1979}
1980
1981void tile(Monitor *m) {
1982 unsigned int i, n, h, r, oe = enablegaps, ie = enablegaps, mw, my, ty;
1983 Client *c;
1984
1985 for (n = 0, c = nexttiled(m->clients); c; c = nexttiled(c->next), n++)
1986 ;
1987 if (n == 0)
1988 return;
1989 if (smartgaps == n) {
1990 oe = 0; // outer gaps disabled
1991 }
1992
1993 if (n > m->nmaster)
1994 mw = m->nmaster ? (m->ww + m->gappiv * ie) * m->mfact : 0;
1995 else
1996 mw = m->ww - 2 * m->gappov * oe + m->gappiv * ie;
1997 for (i = 0, my = ty = m->gappoh * oe, c = nexttiled(m->clients); c;
1998 c = nexttiled(c->next), i++)
1999 if (i < m->nmaster) {
2000 r = MIN(n, m->nmaster) - i;
2001 h = (m->wh - my - m->gappoh * oe - m->gappih * ie * (r - 1)) / r;
2002 resize(c, m->wx + m->gappov * oe, m->wy + my,
2003 mw - (2 * c->bw) - m->gappiv * ie, h - (2 * c->bw), 0);
2004 my += HEIGHT(c) + m->gappih * ie;
2005
2006 if (my + HEIGHT(c) < m->wh)
2007 my += HEIGHT(c);
2008 } else {
2009 r = n - i;
2010 h = (m->wh - ty - m->gappoh * oe - m->gappih * ie * (r - 1)) / r;
2011 resize(c, m->wx + mw + m->gappov * oe, m->wy + ty,
2012 m->ww - mw - (2 * c->bw) - 2 * m->gappov * oe, h - (2 * c->bw), 0);
2013 ty += HEIGHT(c) + m->gappih * ie;
2014 }
2015}
2016
2017void togglebar(const Arg *arg) {
2018 selmon->showbar = !selmon->showbar;
2019 updatebarpos(selmon);
2020 resizebarwin(selmon);
2021 if (showsystray) {
2022 XWindowChanges wc;
2023 if (!selmon->showbar)
2024 wc.y = -bh;
2025 else if (selmon->showbar) {
2026 wc.y = 0;
2027 if (!selmon->topbar)
2028 wc.y = selmon->mh - bh;
2029 }
2030 XConfigureWindow(dpy, systray->win, CWY, &wc);
2031 }
2032 arrange(selmon);
2033}
2034
2035void togglefloating(const Arg *arg) {
2036 if (!selmon->sel)
2037 return;
2038 if (selmon->sel->isfullscreen) /* no support for fullscreen windows */
2039 return;
2040 selmon->sel->isfloating = !selmon->sel->isfloating || selmon->sel->isfixed;
2041 if (selmon->sel->isfloating)
2042 resize(selmon->sel, selmon->sel->x, selmon->sel->y, selmon->sel->w,
2043 selmon->sel->h, 0);
2044 arrange(selmon);
2045}
2046
2047void togglefullscr(const Arg *arg) {
2048 if (selmon->sel)
2049 setfullscreen(selmon->sel, !selmon->sel->isfullscreen);
2050}
2051
2052void toggletag(const Arg *arg) {
2053 unsigned int newtags;
2054
2055 if (!selmon->sel)
2056 return;
2057 newtags = selmon->sel->tags ^ (arg->ui & TAGMASK);
2058 if (newtags) {
2059 selmon->sel->tags = newtags;
2060 focus(NULL);
2061 arrange(selmon);
2062 }
2063}
2064
2065void toggleview(const Arg *arg) {
2066 unsigned int newtagset =
2067 selmon->tagset[selmon->seltags] ^ (arg->ui & TAGMASK);
2068
2069 if (newtagset) {
2070 selmon->tagset[selmon->seltags] = newtagset;
2071 focus(NULL);
2072 arrange(selmon);
2073 }
2074}
2075
2076void unfocus(Client *c, int setfocus) {
2077 if (!c)
2078 return;
2079 grabbuttons(c, 0);
2080 XSetWindowBorder(dpy, c->win, scheme[SchemeNorm][ColBorder].pixel);
2081 if (setfocus) {
2082 XSetInputFocus(dpy, root, RevertToPointerRoot, CurrentTime);
2083 XDeleteProperty(dpy, root, netatom[NetActiveWindow]);
2084 }
2085}
2086
2087void unmanage(Client *c, int destroyed) {
2088 Monitor *m = c->mon;
2089 XWindowChanges wc;
2090
2091 if (c->swallowing) {
2092 unswallow(c);
2093 return;
2094 }
2095
2096 Client *s = swallowingclient(c->win);
2097 if (s) {
2098 free(s->swallowing);
2099 s->swallowing = NULL;
2100 arrange(m);
2101 focus(NULL);
2102 return;
2103 }
2104
2105 detach(c);
2106 detachstack(c);
2107 if (!destroyed) {
2108 wc.border_width = c->oldbw;
2109 XGrabServer(dpy); /* avoid race conditions */
2110 XSetErrorHandler(xerrordummy);
2111 XSelectInput(dpy, c->win, NoEventMask);
2112 XConfigureWindow(dpy, c->win, CWBorderWidth, &wc); /* restore border */
2113 XUngrabButton(dpy, AnyButton, AnyModifier, c->win);
2114 setclientstate(c, WithdrawnState);
2115 XSync(dpy, False);
2116 XSetErrorHandler(xerror);
2117 XUngrabServer(dpy);
2118 }
2119 free(c);
2120
2121 if (!s) {
2122 arrange(m);
2123 focus(NULL);
2124 updateclientlist();
2125 }
2126}
2127
2128void unmapnotify(XEvent *e) {
2129 Client *c;
2130 XUnmapEvent *ev = &e->xunmap;
2131
2132 if ((c = wintoclient(ev->window))) {
2133 if (ev->send_event)
2134 setclientstate(c, WithdrawnState);
2135 else
2136 unmanage(c, 0);
2137 } else if ((c = wintosystrayicon(ev->window))) {
2138 /* KLUDGE! sometimes icons occasionally unmap their windows, but do
2139 * _not_ destroy them. We map those windows back */
2140 XMapRaised(dpy, c->win);
2141 updatesystray();
2142 }
2143}
2144
2145void updatebars(void) {
2146 unsigned int w;
2147 Monitor *m;
2148 XSetWindowAttributes wa = {.override_redirect = True,
2149 .background_pixmap = ParentRelative,
2150 .event_mask = ButtonPressMask | ExposureMask};
2151 XClassHint ch = {"dwm", "dwm"};
2152 for (m = mons; m; m = m->next) {
2153 if (m->barwin)
2154 continue;
2155 w = m->ww;
2156 if (showsystray && m == systraytomon(m))
2157 w -= getsystraywidth();
2158 m->barwin = XCreateWindow(
2159 dpy, root, m->wx, m->by, w, bh, 0, DefaultDepth(dpy, screen),
2160 CopyFromParent, DefaultVisual(dpy, screen),
2161 CWOverrideRedirect | CWBackPixmap | CWEventMask, &wa);
2162 XDefineCursor(dpy, m->barwin, cursor[CurNormal]->cursor);
2163 if (showsystray && m == systraytomon(m))
2164 XMapRaised(dpy, systray->win);
2165 XMapRaised(dpy, m->barwin);
2166 XSetClassHint(dpy, m->barwin, &ch);
2167 }
2168}
2169
2170void updatebarpos(Monitor *m) {
2171 m->wy = m->my;
2172 m->wh = m->mh;
2173 if (m->showbar) {
2174 m->wh -= bh;
2175 m->by = m->topbar ? m->wy : m->wy + m->wh;
2176 m->wy = m->topbar ? m->wy + bh : m->wy;
2177 } else
2178 m->by = -bh;
2179}
2180
2181void updateclientlist() {
2182 Client *c;
2183 Monitor *m;
2184
2185 XDeleteProperty(dpy, root, netatom[NetClientList]);
2186 for (m = mons; m; m = m->next)
2187 for (c = m->clients; c; c = c->next)
2188 XChangeProperty(dpy, root, netatom[NetClientList], XA_WINDOW, 32,
2189 PropModeAppend, (unsigned char *)&(c->win), 1);
2190}
2191
2192int updategeom(void) {
2193 int dirty = 0;
2194
2195#ifdef XINERAMA
2196 if (XineramaIsActive(dpy)) {
2197 int i, j, n, nn;
2198 Client *c;
2199 Monitor *m;
2200 XineramaScreenInfo *info = XineramaQueryScreens(dpy, &nn);
2201 XineramaScreenInfo *unique = NULL;
2202
2203 for (n = 0, m = mons; m; m = m->next, n++)
2204 ;
2205 /* only consider unique geometries as separate screens */
2206 unique = ecalloc(nn, sizeof(XineramaScreenInfo));
2207 for (i = 0, j = 0; i < nn; i++)
2208 if (isuniquegeom(unique, j, &info[i]))
2209 memcpy(&unique[j++], &info[i], sizeof(XineramaScreenInfo));
2210 XFree(info);
2211 nn = j;
2212
2213 /* new monitors if nn > n */
2214 for (i = n; i < nn; i++) {
2215 for (m = mons; m && m->next; m = m->next)
2216 ;
2217 if (m)
2218 m->next = createmon();
2219 else
2220 mons = createmon();
2221 }
2222 for (i = 0, m = mons; i < nn && m; m = m->next, i++)
2223 if (i >= n || unique[i].x_org != m->mx || unique[i].y_org != m->my ||
2224 unique[i].width != m->mw || unique[i].height != m->mh) {
2225 dirty = 1;
2226 m->num = i;
2227 m->mx = m->wx = unique[i].x_org;
2228 m->my = m->wy = unique[i].y_org;
2229 m->mw = m->ww = unique[i].width;
2230 m->mh = m->wh = unique[i].height;
2231 updatebarpos(m);
2232 }
2233 /* removed monitors if n > nn */
2234 for (i = nn; i < n; i++) {
2235 for (m = mons; m && m->next; m = m->next)
2236 ;
2237 while ((c = m->clients)) {
2238 dirty = 1;
2239 m->clients = c->next;
2240 detachstack(c);
2241 c->mon = mons;
2242 attach(c);
2243 attachstack(c);
2244 }
2245 if (m == selmon)
2246 selmon = mons;
2247 cleanupmon(m);
2248 }
2249 free(unique);
2250 } else
2251#endif /* XINERAMA */
2252 { /* default monitor setup */
2253 if (!mons)
2254 mons = createmon();
2255 if (mons->mw != sw || mons->mh != sh) {
2256 dirty = 1;
2257 mons->mw = mons->ww = sw;
2258 mons->mh = mons->wh = sh;
2259 updatebarpos(mons);
2260 }
2261 }
2262 if (dirty) {
2263 selmon = mons;
2264 selmon = wintomon(root);
2265 }
2266 return dirty;
2267}
2268
2269void updatenumlockmask(void) {
2270 unsigned int i, j;
2271 XModifierKeymap *modmap;
2272
2273 numlockmask = 0;
2274 modmap = XGetModifierMapping(dpy);
2275 for (i = 0; i < 8; i++)
2276 for (j = 0; j < modmap->max_keypermod; j++)
2277 if (modmap->modifiermap[i * modmap->max_keypermod + j] ==
2278 XKeysymToKeycode(dpy, XK_Num_Lock))
2279 numlockmask = (1 << i);
2280 XFreeModifiermap(modmap);
2281}
2282
2283void updatesizehints(Client *c) {
2284 long msize;
2285 XSizeHints size;
2286
2287 if (!XGetWMNormalHints(dpy, c->win, &size, &msize))
2288 /* size is uninitialized, ensure that size.flags aren't used */
2289 size.flags = PSize;
2290 if (size.flags & PBaseSize) {
2291 c->basew = size.base_width;
2292 c->baseh = size.base_height;
2293 } else if (size.flags & PMinSize) {
2294 c->basew = size.min_width;
2295 c->baseh = size.min_height;
2296 } else
2297 c->basew = c->baseh = 0;
2298 if (size.flags & PResizeInc) {
2299 c->incw = size.width_inc;
2300 c->inch = size.height_inc;
2301 } else
2302 c->incw = c->inch = 0;
2303 if (size.flags & PMaxSize) {
2304 c->maxw = size.max_width;
2305 c->maxh = size.max_height;
2306 } else
2307 c->maxw = c->maxh = 0;
2308 if (size.flags & PMinSize) {
2309 c->minw = size.min_width;
2310 c->minh = size.min_height;
2311 } else if (size.flags & PBaseSize) {
2312 c->minw = size.base_width;
2313 c->minh = size.base_height;
2314 } else
2315 c->minw = c->minh = 0;
2316 if (size.flags & PAspect) {
2317 c->mina = (float)size.min_aspect.y / size.min_aspect.x;
2318 c->maxa = (float)size.max_aspect.x / size.max_aspect.y;
2319 } else
2320 c->maxa = c->mina = 0.0;
2321 c->isfixed = (c->maxw && c->maxh && c->maxw == c->minw && c->maxh == c->minh);
2322 c->hintsvalid = 1;
2323}
2324
2325void updatestatus(void) {
2326 if (!gettextprop(root, XA_WM_NAME, stext, sizeof(stext)))
2327 strcpy(stext, "dwm-" VERSION);
2328 drawbar(selmon);
2329 updatesystray();
2330}
2331
2332void updatesystrayicongeom(Client *i, int w, int h) {
2333 if (i) {
2334 i->h = bh;
2335 if (w == h)
2336 i->w = bh;
2337 else if (h == bh)
2338 i->w = w;
2339 else
2340 i->w = (int)((float)bh * ((float)w / (float)h));
2341 applysizehints(i, &(i->x), &(i->y), &(i->w), &(i->h), False);
2342 /* force icons into the systray dimensions if they don't want to */
2343 if (i->h > bh) {
2344 if (i->w == i->h)
2345 i->w = bh;
2346 else
2347 i->w = (int)((float)bh * ((float)i->w / (float)i->h));
2348 i->h = bh;
2349 }
2350 }
2351}
2352
2353void updatesystrayiconstate(Client *i, XPropertyEvent *ev) {
2354 long flags;
2355 int code = 0;
2356
2357 if (!showsystray || !i || ev->atom != xatom[XembedInfo] ||
2358 !(flags = getatomprop(i, xatom[XembedInfo])))
2359 return;
2360
2361 if (flags & XEMBED_MAPPED && !i->tags) {
2362 i->tags = 1;
2363 code = XEMBED_WINDOW_ACTIVATE;
2364 XMapRaised(dpy, i->win);
2365 setclientstate(i, NormalState);
2366 } else if (!(flags & XEMBED_MAPPED) && i->tags) {
2367 i->tags = 0;
2368 code = XEMBED_WINDOW_DEACTIVATE;
2369 XUnmapWindow(dpy, i->win);
2370 setclientstate(i, WithdrawnState);
2371 } else
2372 return;
2373 sendevent(i->win, xatom[Xembed], StructureNotifyMask, CurrentTime, code, 0,
2374 systray->win, XEMBED_EMBEDDED_VERSION);
2375}
2376
2377void updatesystray(void) {
2378 XSetWindowAttributes wa;
2379 XWindowChanges wc;
2380 Client *i;
2381 Monitor *m = systraytomon(NULL);
2382 unsigned int x = m->mx + m->mw;
2383 unsigned int sw = TEXTW(stext) - lrpad + systrayspacing;
2384 unsigned int w = 1;
2385
2386 if (!showsystray)
2387 return;
2388 if (systrayonleft)
2389 x -= sw + lrpad / 2;
2390 if (!systray) {
2391 /* init systray */
2392 if (!(systray = (Systray *)calloc(1, sizeof(Systray))))
2393 die("fatal: could not malloc() %u bytes\n", sizeof(Systray));
2394 systray->win = XCreateSimpleWindow(dpy, root, x, m->by, w, bh, 0, 0,
2395 scheme[SchemeSel][ColBg].pixel);
2396 wa.event_mask = ButtonPressMask | ExposureMask;
2397 wa.override_redirect = True;
2398 wa.background_pixel = scheme[SchemeNorm][ColBg].pixel;
2399 XSelectInput(dpy, systray->win, SubstructureNotifyMask);
2400 XChangeProperty(dpy, systray->win, netatom[NetSystemTrayOrientation],
2401 XA_CARDINAL, 32, PropModeReplace,
2402 (unsigned char *)&netatom[NetSystemTrayOrientationHorz], 1);
2403 XChangeWindowAttributes(
2404 dpy, systray->win, CWEventMask | CWOverrideRedirect | CWBackPixel, &wa);
2405 XMapRaised(dpy, systray->win);
2406 XSetSelectionOwner(dpy, netatom[NetSystemTray], systray->win, CurrentTime);
2407 if (XGetSelectionOwner(dpy, netatom[NetSystemTray]) == systray->win) {
2408 sendevent(root, xatom[Manager], StructureNotifyMask, CurrentTime,
2409 netatom[NetSystemTray], systray->win, 0, 0);
2410 XSync(dpy, False);
2411 } else {
2412 fprintf(stderr, "dwm: unable to obtain system tray.\n");
2413 free(systray);
2414 systray = NULL;
2415 return;
2416 }
2417 }
2418 for (w = 0, i = systray->icons; i; i = i->next) {
2419 /* make sure the background color stays the same */
2420 wa.background_pixel = scheme[SchemeNorm][ColBg].pixel;
2421 XChangeWindowAttributes(dpy, i->win, CWBackPixel, &wa);
2422 XMapRaised(dpy, i->win);
2423 w += systrayspacing;
2424 i->x = w;
2425 XMoveResizeWindow(dpy, i->win, i->x, 0, i->w, i->h);
2426 w += i->w;
2427 if (i->mon != m)
2428 i->mon = m;
2429 }
2430 w = w ? w + systrayspacing : 1;
2431 x -= w;
2432 XMoveResizeWindow(dpy, systray->win, x, m->by, w, bh);
2433 wc.x = x;
2434 wc.y = m->by;
2435 wc.width = w;
2436 wc.height = bh;
2437 wc.stack_mode = Above;
2438 wc.sibling = m->barwin;
2439 XConfigureWindow(dpy, systray->win,
2440 CWX | CWY | CWWidth | CWHeight | CWSibling | CWStackMode,
2441 &wc);
2442 XMapWindow(dpy, systray->win);
2443 XMapSubwindows(dpy, systray->win);
2444 /* redraw background */
2445 XSetForeground(dpy, drw->gc, scheme[SchemeNorm][ColBg].pixel);
2446 XFillRectangle(dpy, systray->win, drw->gc, 0, 0, w, bh);
2447 XSync(dpy, False);
2448}
2449
2450void updatetitle(Client *c) {
2451 if (!gettextprop(c->win, netatom[NetWMName], c->name, sizeof c->name))
2452 gettextprop(c->win, XA_WM_NAME, c->name, sizeof c->name);
2453 if (c->name[0] == '\0') /* hack to mark broken clients */
2454 strcpy(c->name, broken);
2455}
2456
2457void updatewindowtype(Client *c) {
2458 Atom state = getatomprop(c, netatom[NetWMState]);
2459 Atom wtype = getatomprop(c, netatom[NetWMWindowType]);
2460
2461 if (state == netatom[NetWMFullscreen])
2462 setfullscreen(c, 1);
2463 if (wtype == netatom[NetWMWindowTypeDialog])
2464 c->isfloating = 1;
2465}
2466
2467void updatewmhints(Client *c) {
2468 XWMHints *wmh;
2469
2470 if ((wmh = XGetWMHints(dpy, c->win))) {
2471 if (c == selmon->sel && wmh->flags & XUrgencyHint) {
2472 wmh->flags &= ~XUrgencyHint;
2473 XSetWMHints(dpy, c->win, wmh);
2474 } else
2475 c->isurgent = (wmh->flags & XUrgencyHint) ? 1 : 0;
2476 if (wmh->flags & InputHint)
2477 c->neverfocus = !wmh->input;
2478 else
2479 c->neverfocus = 0;
2480 XFree(wmh);
2481 }
2482}
2483
2484void view(const Arg *arg) {
2485 if ((arg->ui & TAGMASK) == selmon->tagset[selmon->seltags])
2486 return;
2487 selmon->seltags ^= 1; /* toggle sel tagset */
2488 if (arg->ui & TAGMASK)
2489 selmon->tagset[selmon->seltags] = arg->ui & TAGMASK;
2490 focus(NULL);
2491 arrange(selmon);
2492}
2493
2494pid_t winpid(Window w) {
2495
2496 pid_t result = 0;
2497
2498#ifdef __linux__
2499 xcb_res_client_id_spec_t spec = {0};
2500 spec.client = w;
2501 spec.mask = XCB_RES_CLIENT_ID_MASK_LOCAL_CLIENT_PID;
2502
2503 xcb_generic_error_t *e = NULL;
2504 xcb_res_query_client_ids_cookie_t c =
2505 xcb_res_query_client_ids(xcon, 1, &spec);
2506 xcb_res_query_client_ids_reply_t *r =
2507 xcb_res_query_client_ids_reply(xcon, c, &e);
2508
2509 if (!r)
2510 return (pid_t)0;
2511
2512 xcb_res_client_id_value_iterator_t i =
2513 xcb_res_query_client_ids_ids_iterator(r);
2514 for (; i.rem; xcb_res_client_id_value_next(&i)) {
2515 spec = i.data->spec;
2516 if (spec.mask & XCB_RES_CLIENT_ID_MASK_LOCAL_CLIENT_PID) {
2517 uint32_t *t = xcb_res_client_id_value_value(i.data);
2518 result = *t;
2519 break;
2520 }
2521 }
2522
2523 free(r);
2524
2525 if (result == (pid_t)-1)
2526 result = 0;
2527
2528#endif /* __linux__ */
2529
2530#ifdef __OpenBSD__
2531 Atom type;
2532 int format;
2533 unsigned long len, bytes;
2534 unsigned char *prop;
2535 pid_t ret;
2536
2537 if (XGetWindowProperty(dpy, w, XInternAtom(dpy, "_NET_WM_PID", 0), 0, 1,
2538 False, AnyPropertyType, &type, &format, &len, &bytes,
2539 &prop) != Success ||
2540 !prop)
2541 return 0;
2542
2543 ret = *(pid_t *)prop;
2544 XFree(prop);
2545 result = ret;
2546
2547#endif /* __OpenBSD__ */
2548 return result;
2549}
2550
2551pid_t getparentprocess(pid_t p) {
2552 unsigned int v = 0;
2553
2554#ifdef __linux__
2555 FILE *f;
2556 char buf[256];
2557 snprintf(buf, sizeof(buf) - 1, "/proc/%u/stat", (unsigned)p);
2558
2559 if (!(f = fopen(buf, "r")))
2560 return 0;
2561
2562 fscanf(f, "%*u %*s %*c %u", &v);
2563 fclose(f);
2564#endif /* __linux__ */
2565
2566#ifdef __OpenBSD__
2567 int n;
2568 kvm_t *kd;
2569 struct kinfo_proc *kp;
2570
2571 kd = kvm_openfiles(NULL, NULL, NULL, KVM_NO_FILES, NULL);
2572 if (!kd)
2573 return 0;
2574
2575 kp = kvm_getprocs(kd, KERN_PROC_PID, p, sizeof(*kp), &n);
2576 v = kp->p_ppid;
2577#endif /* __OpenBSD__ */
2578
2579 return (pid_t)v;
2580}
2581
2582int isdescprocess(pid_t p, pid_t c) {
2583 while (p != c && c != 0)
2584 c = getparentprocess(c);
2585
2586 return (int)c;
2587}
2588
2589Client *termforwin(const Client *w) {
2590 Client *c;
2591 Monitor *m;
2592
2593 if (!w->pid || w->isterminal)
2594 return NULL;
2595
2596 for (m = mons; m; m = m->next) {
2597 for (c = m->clients; c; c = c->next) {
2598 if (c->isterminal && !c->swallowing && c->pid &&
2599 isdescprocess(c->pid, w->pid))
2600 return c;
2601 }
2602 }
2603
2604 return NULL;
2605}
2606
2607Client *swallowingclient(Window w) {
2608 Client *c;
2609 Monitor *m;
2610
2611 for (m = mons; m; m = m->next) {
2612 for (c = m->clients; c; c = c->next) {
2613 if (c->swallowing && c->swallowing->win == w)
2614 return c;
2615 }
2616 }
2617
2618 return NULL;
2619}
2620
2621Client *wintoclient(Window w) {
2622 Client *c;
2623 Monitor *m;
2624
2625 for (m = mons; m; m = m->next)
2626 for (c = m->clients; c; c = c->next)
2627 if (c->win == w)
2628 return c;
2629 return NULL;
2630}
2631
2632Client *wintosystrayicon(Window w) {
2633 Client *i = NULL;
2634
2635 if (!showsystray || !w)
2636 return i;
2637 for (i = systray->icons; i && i->win != w; i = i->next)
2638 ;
2639 return i;
2640}
2641
2642Monitor *wintomon(Window w) {
2643 int x, y;
2644 Client *c;
2645 Monitor *m;
2646
2647 if (w == root && getrootptr(&x, &y))
2648 return recttomon(x, y, 1, 1);
2649 for (m = mons; m; m = m->next)
2650 if (w == m->barwin)
2651 return m;
2652 if ((c = wintoclient(w)))
2653 return c->mon;
2654 return selmon;
2655}
2656
2657/* There's no way to check accesses to destroyed windows, thus those cases are
2658 * ignored (especially on UnmapNotify's). Other types of errors call Xlibs
2659 * default error handler, which may call exit. */
2660int xerror(Display *dpy, XErrorEvent *ee) {
2661 if (ee->error_code == BadWindow ||
2662 (ee->request_code == X_SetInputFocus && ee->error_code == BadMatch) ||
2663 (ee->request_code == X_PolyText8 && ee->error_code == BadDrawable) ||
2664 (ee->request_code == X_PolyFillRectangle &&
2665 ee->error_code == BadDrawable) ||
2666 (ee->request_code == X_PolySegment && ee->error_code == BadDrawable) ||
2667 (ee->request_code == X_ConfigureWindow && ee->error_code == BadMatch) ||
2668 (ee->request_code == X_GrabButton && ee->error_code == BadAccess) ||
2669 (ee->request_code == X_GrabKey && ee->error_code == BadAccess) ||
2670 (ee->request_code == X_CopyArea && ee->error_code == BadDrawable))
2671 return 0;
2672 fprintf(stderr, "dwm: fatal error: request code=%d, error code=%d\n",
2673 ee->request_code, ee->error_code);
2674 return xerrorxlib(dpy, ee); /* may call exit */
2675}
2676
2677int xerrordummy(Display *dpy, XErrorEvent *ee) { return 0; }
2678
2679/* Startup Error handler to check if another window manager
2680 * is already running. */
2681int xerrorstart(Display *dpy, XErrorEvent *ee) {
2682 die("dwm: another window manager is already running");
2683 return -1;
2684}
2685
2686Monitor *systraytomon(Monitor *m) {
2687 Monitor *t;
2688 int i, n;
2689 if (!systraypinning) {
2690 if (!m)
2691 return selmon;
2692 return m == selmon ? m : NULL;
2693 }
2694 for (n = 1, t = mons; t && t->next; n++, t = t->next)
2695 ;
2696 for (i = 1, t = mons; t && t->next && i < systraypinning; i++, t = t->next)
2697 ;
2698 if (systraypinningfailfirst && n < systraypinning)
2699 return mons;
2700 return t;
2701}
2702
2703void zoom(const Arg *arg) {
2704 Client *c = selmon->sel;
2705
2706 if (!selmon->lt[selmon->sellt]->arrange || !c || c->isfloating)
2707 return;
2708 if (c == nexttiled(selmon->clients) && !(c = nexttiled(c->next)))
2709 return;
2710 pop(c);
2711}
2712
2713int main(int argc, char *argv[]) {
2714 if (argc == 2 && !strcmp("-v", argv[1]))
2715 die("dwm-" VERSION);
2716 else if (argc != 1)
2717 die("usage: dwm [-v]");
2718 if (!setlocale(LC_CTYPE, "") || !XSupportsLocale())
2719 fputs("warning: no locale support\n", stderr);
2720 if (!(dpy = XOpenDisplay(NULL)))
2721 die("dwm: cannot open display");
2722 if (!(xcon = XGetXCBConnection(dpy)))
2723 die("dwm: cannot get xcb connection\n");
2724 checkotherwm();
2725 setup();
2726#ifdef __OpenBSD__
2727 if (pledge("stdio rpath proc exec ps", NULL) == -1)
2728 die("pledge");
2729#endif /* __OpenBSD__ */
2730 scan();
2731 run();
2732 cleanup();
2733 XCloseDisplay(dpy);
2734 return EXIT_SUCCESS;
2735}
diff --git a/drw.c b/src/drw/drw.c
index 8f53beb..8f53beb 100644
--- a/drw.c
+++ b/src/drw/drw.c
diff --git a/drw.h b/src/drw/drw.h
index 6471431..e645d43 100644
--- a/drw.h
+++ b/src/drw/drw.h
@@ -1,42 +1,45 @@
1/* See LICENSE file for copyright and license details. */ 1/* See LICENSE file for copyright and license details. */
2 2
3typedef struct { 3typedef struct {
4 Cursor cursor; 4 Cursor cursor;
5} Cur; 5} Cur;
6 6
7typedef struct Fnt { 7typedef struct Fnt {
8 Display *dpy; 8 Display *dpy;
9 unsigned int h; 9 unsigned int h;
10 XftFont *xfont; 10 XftFont *xfont;
11 FcPattern *pattern; 11 FcPattern *pattern;
12 struct Fnt *next; 12 struct Fnt *next;
13} Fnt; 13} Fnt;
14 14
15enum { ColFg, ColBg, ColBorder }; /* Clr scheme index */ 15enum { ColFg, ColBg, ColBorder }; /* Clr scheme index */
16typedef XftColor Clr; 16typedef XftColor Clr;
17 17
18typedef struct { 18typedef struct {
19 unsigned int w, h; 19 unsigned int w, h;
20 Display *dpy; 20 Display *dpy;
21 int screen; 21 int screen;
22 Window root; 22 Window root;
23 Drawable drawable; 23 Drawable drawable;
24 GC gc; 24 GC gc;
25 Clr *scheme; 25 Clr *scheme;
26 Fnt *fonts; 26 Fnt *fonts;
27} Drw; 27} Drw;
28 28
29/* Drawable abstraction */ 29/* Drawable abstraction */
30Drw *drw_create(Display *dpy, int screen, Window win, unsigned int w, unsigned int h); 30Drw *drw_create(Display *dpy, int screen, Window win, unsigned int w,
31 unsigned int h);
31void drw_resize(Drw *drw, unsigned int w, unsigned int h); 32void drw_resize(Drw *drw, unsigned int w, unsigned int h);
32void drw_free(Drw *drw); 33void drw_free(Drw *drw);
33 34
34/* Fnt abstraction */ 35/* Fnt abstraction */
35Fnt *drw_fontset_create(Drw* drw, const char *fonts[], size_t fontcount); 36Fnt *drw_fontset_create(Drw *drw, const char *fonts[], size_t fontcount);
36void drw_fontset_free(Fnt* set); 37void drw_fontset_free(Fnt *set);
37unsigned int drw_fontset_getwidth(Drw *drw, const char *text); 38unsigned int drw_fontset_getwidth(Drw *drw, const char *text);
38unsigned int drw_fontset_getwidth_clamp(Drw *drw, const char *text, unsigned int n); 39unsigned int drw_fontset_getwidth_clamp(Drw *drw, const char *text,
39void drw_font_getexts(Fnt *font, const char *text, unsigned int len, unsigned int *w, unsigned int *h); 40 unsigned int n);
41void drw_font_getexts(Fnt *font, const char *text, unsigned int len,
42 unsigned int *w, unsigned int *h);
40 43
41/* Colorscheme abstraction */ 44/* Colorscheme abstraction */
42void drw_clr_create(Drw *drw, Clr *dest, const char *clrname); 45void drw_clr_create(Drw *drw, Clr *dest, const char *clrname);
@@ -51,8 +54,11 @@ void drw_setfontset(Drw *drw, Fnt *set);
51void drw_setscheme(Drw *drw, Clr *scm); 54void drw_setscheme(Drw *drw, Clr *scm);
52 55
53/* Drawing functions */ 56/* Drawing functions */
54void drw_rect(Drw *drw, int x, int y, unsigned int w, unsigned int h, int filled, int invert); 57void drw_rect(Drw *drw, int x, int y, unsigned int w, unsigned int h,
55int drw_text(Drw *drw, int x, int y, unsigned int w, unsigned int h, unsigned int lpad, const char *text, int invert); 58 int filled, int invert);
59int drw_text(Drw *drw, int x, int y, unsigned int w, unsigned int h,
60 unsigned int lpad, const char *text, int invert);
56 61
57/* Map functions */ 62/* Map functions */
58void drw_map(Drw *drw, Window win, int x, int y, unsigned int w, unsigned int h); 63void drw_map(Drw *drw, Window win, int x, int y, unsigned int w,
64 unsigned int h);
diff --git a/src/transient/transient.c b/src/transient/transient.c
new file mode 100644
index 0000000..ed6539f
--- /dev/null
+++ b/src/transient/transient.c
@@ -0,0 +1,87 @@
1#include <X11/Xlib.h>
2#include <X11/Xutil.h>
3#include <stdlib.h>
4#include <unistd.h>
5
6#define FLOATING_WINDOW_WIDTH 400
7#define FLOATING_WINDOW_HEIGHT 400
8#define FLOATING_WINDOW_X_POS 100
9#define FLOATING_WINDOW_Y_POS 100
10
11#define TRANSIENT_WINDOW_WIDTH 100
12#define TRANSIENT_WINDOW_HEIGHT 100
13#define TRANSIENT_WINDOW_X_POS 50
14#define TRANSIENT_WINDOW_Y_POS 50
15
16#define SLEEP_TIME 5
17
18#define WINDOW_BORDER_WIDTH 0
19#define WINDOW_BORDER_COLOR 0
20#define WINDOW_BACKGROUND_COLOR 0
21
22/**
23 * @brief Function that creates and manages floating and transient window.
24 *
25 * This program opens an X display, creates a floating window with specific
26 * size and position, and then creates a transient (child) window after a
27 * specified delay. The transient window is always associated with the
28 * floating window, meaning it will behave as a child of the floating window.
29 * The program uses Xlib to interact with the X server, handle events, and
30 * manage window properties such as size, title, and position.
31 *
32 * The key steps are:
33 * 1. Create the floating window and set its size constraints.
34 * 2. After a delay (5 seconds), create the transient window and associate
35 * it with the floating window.
36 * 3. Display both windows on the screen.
37 * 4. Wait for and process X events in an infinite loop. This allows the
38 * windows to remain open and interact with the X server.
39 *
40 * @return int Exit status (always 0).
41 */
42int main(void) {
43 Display *display;
44 Window rootWindow, floatingWindow, transientWindow = None;
45 XSizeHints sizeHints;
46 XEvent event;
47
48 display = XOpenDisplay(NULL);
49 if (!display)
50 exit(1);
51
52 rootWindow = DefaultRootWindow(display);
53
54 floatingWindow = XCreateSimpleWindow(
55 display, rootWindow, FLOATING_WINDOW_X_POS, FLOATING_WINDOW_Y_POS,
56 FLOATING_WINDOW_WIDTH, FLOATING_WINDOW_HEIGHT, WINDOW_BORDER_WIDTH,
57 WINDOW_BORDER_COLOR, WINDOW_BACKGROUND_COLOR);
58
59 sizeHints.min_width = sizeHints.max_width = sizeHints.min_height =
60 sizeHints.max_height = FLOATING_WINDOW_WIDTH;
61 sizeHints.flags = PMinSize | PMaxSize;
62 XSetWMNormalHints(display, floatingWindow, &sizeHints);
63 XStoreName(display, floatingWindow, "floating");
64 XMapWindow(display, floatingWindow);
65 XSelectInput(display, floatingWindow, ExposureMask);
66
67 while (1) {
68 XNextEvent(display, &event);
69
70 if (transientWindow == None) {
71 sleep(SLEEP_TIME);
72
73 transientWindow = XCreateSimpleWindow(
74 display, rootWindow, TRANSIENT_WINDOW_X_POS, TRANSIENT_WINDOW_Y_POS,
75 TRANSIENT_WINDOW_WIDTH, TRANSIENT_WINDOW_HEIGHT, WINDOW_BORDER_WIDTH,
76 WINDOW_BORDER_COLOR, WINDOW_BACKGROUND_COLOR);
77
78 XSetTransientForHint(display, transientWindow, floatingWindow);
79 XStoreName(display, transientWindow, "transient");
80 XMapWindow(display, transientWindow);
81 XSelectInput(display, transientWindow, ExposureMask);
82 }
83 }
84
85 XCloseDisplay(display);
86 exit(0);
87}
diff --git a/src/util/util.c b/src/util/util.c
new file mode 100644
index 0000000..7419d0c
--- /dev/null
+++ b/src/util/util.c
@@ -0,0 +1,62 @@
1/* See LICENSE file for copyright and license details. */
2
3#include <stdarg.h>
4#include <stdio.h>
5#include <stdlib.h>
6#include <string.h>
7
8#include "util.h"
9
10/*
11 * die()
12 * Function to print an error message and terminate the program.
13 * Takes a formatted string (`fmt`) and additional arguments (as in `printf`).
14 * This function uses variable arguments and will print the formatted error
15 * message to `stderr` and then exit the program with a non-zero status
16 * (typically 1).
17 *
18 * Usage:
19 * die("Error occurred in function %s", __func__);
20 */
21void die(const char *format_string, ...) {
22 va_list argument_list;
23 va_start(argument_list, format_string);
24 vfprintf(stderr, format_string, argument_list);
25 va_end(argument_list);
26
27 if (format_string[0] && format_string[strlen(format_string) - 1] == ':') {
28 fputc(' ', stderr);
29 perror(NULL);
30 } else
31 fputc('\n', stderr);
32
33 exit(1);
34}
35
36/*
37 * ecalloc()
38 * Function to allocate memory for an array of elements, initializing the memory
39 * to zero. This function works like `calloc()`, but it adds error handling. If
40 * memory allocation fails, it will call the `die()` function to print an error
41 * message and terminate the program.
42 *
43 * Parameters:
44 * - `num_elements`: The number of elements to allocate memory for.
45 * - `element_size`: The size of each element in bytes.
46 *
47 * Returns:
48 * - A pointer to the allocated memory (of type `void *`).
49 * - If the allocation fails, the program will terminate via `die()`.
50 *
51 * Usage:
52 * int *array = ecalloc(10, sizeof(int)); // Allocate memory for an array of
53 * 10 integers.
54 */
55void *ecalloc(size_t num_elements, size_t element_size) {
56 void *allocated_memory;
57
58 if (!(allocated_memory = calloc(num_elements, element_size)))
59 die("calloc:");
60
61 return allocated_memory;
62}
diff --git a/src/util/util.h b/src/util/util.h
new file mode 100644
index 0000000..6ef3c86
--- /dev/null
+++ b/src/util/util.h
@@ -0,0 +1,59 @@
1/* See LICENSE file for copyright and license details. */
2
3/*
4 * MAX(A, B)
5 * Macro to compute the maximum of two values.
6 * It returns the greater of the two values, A or B.
7 * Usage: MAX(3, 5) -> 5
8 */
9#define MAX(A, B) ((A) > (B) ? (A) : (B))
10
11/*
12 * MIN(A, B)
13 * Macro to compute the minimum of two values.
14 * It returns the lesser of the two values, A or B.
15 * Usage: MIN(3, 5) -> 3
16 */
17#define MIN(A, B) ((A) < (B) ? (A) : (B))
18
19/*
20 * BETWEEN(X, A, B)
21 * Macro to check if a value X is between two values A and B (inclusive).
22 * It returns true (1) if X is between A and B, and false (0) otherwise.
23 * Usage: BETWEEN(4, 1, 5) -> 1 (true), BETWEEN(6, 1, 5) -> 0 (false)
24 */
25#define BETWEEN(X, A, B) ((A) <= (X) && (X) <= (B))
26
27/*
28 * die()
29 * Function to print an error message and terminate the program.
30 * Takes a formatted string (`fmt`) and additional arguments (as in `printf`).
31 * This function uses variable arguments and will print the formatted error
32 * message to `stderr` and then exit the program with a non-zero status
33 * (typically 1).
34 *
35 * Usage:
36 * die("Error occurred in function %s", __func__);
37 */
38void die(const char *fmt, ...);
39
40/*
41 * ecalloc()
42 * Function to allocate memory for an array of elements, initializing the memory
43 * to zero. This function works like `calloc()`, but it adds error handling. If
44 * memory allocation fails, it will call the `die()` function to print an error
45 * message and terminate the program.
46 *
47 * Parameters:
48 * - `nmemb`: The number of elements to allocate memory for.
49 * - `size`: The size of each element in bytes.
50 *
51 * Returns:
52 * - A pointer to the allocated memory (of type `void *`).
53 * - If the allocation fails, the program will terminate via `die()`.
54 *
55 * Usage:
56 * int *arr = ecalloc(10, sizeof(int)); // Allocate memory for an array of 10
57 * integers.
58 */
59void *ecalloc(size_t nmemb, size_t size);
diff --git a/transient.c b/transient.c
deleted file mode 100644
index 040adb5..0000000
--- a/transient.c
+++ /dev/null
@@ -1,42 +0,0 @@
1/* cc transient.c -o transient -lX11 */
2
3#include <stdlib.h>
4#include <unistd.h>
5#include <X11/Xlib.h>
6#include <X11/Xutil.h>
7
8int main(void) {
9 Display *d;
10 Window r, f, t = None;
11 XSizeHints h;
12 XEvent e;
13
14 d = XOpenDisplay(NULL);
15 if (!d)
16 exit(1);
17 r = DefaultRootWindow(d);
18
19 f = XCreateSimpleWindow(d, r, 100, 100, 400, 400, 0, 0, 0);
20 h.min_width = h.max_width = h.min_height = h.max_height = 400;
21 h.flags = PMinSize | PMaxSize;
22 XSetWMNormalHints(d, f, &h);
23 XStoreName(d, f, "floating");
24 XMapWindow(d, f);
25
26 XSelectInput(d, f, ExposureMask);
27 while (1) {
28 XNextEvent(d, &e);
29
30 if (t == None) {
31 sleep(5);
32 t = XCreateSimpleWindow(d, r, 50, 50, 100, 100, 0, 0, 0);
33 XSetTransientForHint(d, t, f);
34 XStoreName(d, t, "transient");
35 XMapWindow(d, t);
36 XSelectInput(d, t, ExposureMask);
37 }
38 }
39
40 XCloseDisplay(d);
41 exit(0);
42}
diff --git a/util.c b/util.c
deleted file mode 100644
index 96b82c9..0000000
--- a/util.c
+++ /dev/null
@@ -1,36 +0,0 @@
1/* See LICENSE file for copyright and license details. */
2#include <stdarg.h>
3#include <stdio.h>
4#include <stdlib.h>
5#include <string.h>
6
7#include "util.h"
8
9void
10die(const char *fmt, ...)
11{
12 va_list ap;
13
14 va_start(ap, fmt);
15 vfprintf(stderr, fmt, ap);
16 va_end(ap);
17
18 if (fmt[0] && fmt[strlen(fmt)-1] == ':') {
19 fputc(' ', stderr);
20 perror(NULL);
21 } else {
22 fputc('\n', stderr);
23 }
24
25 exit(1);
26}
27
28void *
29ecalloc(size_t nmemb, size_t size)
30{
31 void *p;
32
33 if (!(p = calloc(nmemb, size)))
34 die("calloc:");
35 return p;
36}
diff --git a/util.h b/util.h
deleted file mode 100644
index f633b51..0000000
--- a/util.h
+++ /dev/null
@@ -1,8 +0,0 @@
1/* See LICENSE file for copyright and license details. */
2
3#define MAX(A, B) ((A) > (B) ? (A) : (B))
4#define MIN(A, B) ((A) < (B) ? (A) : (B))
5#define BETWEEN(X, A, B) ((A) <= (X) && (X) <= (B))
6
7void die(const char *fmt, ...);
8void *ecalloc(size_t nmemb, size_t size);
generated by cgit v1.2.3 (git 2.39.1) at 2025-12-17 15:31:36 +0000