1 files changed, 42 insertions, 0 deletions

diff --git a/transient.c b/transient.c
new file mode 100644
index 0000000..040adb5
--- /dev/null
+++ b/transient.c
@@ -0,0 +1,42 @@
+/* cc transient.c -o transient -lX11 */
+
+#include <stdlib.h>
+#include <unistd.h>
+#include <X11/Xlib.h>
+#include <X11/Xutil.h>
+
+int main(void) {
+        Display *d;
+        Window r, f, t = None;
+        XSizeHints h;
+        XEvent e;
+
+        d = XOpenDisplay(NULL);
+        if (!d)
+                exit(1);
+        r = DefaultRootWindow(d);
+
+        f = XCreateSimpleWindow(d, r, 100, 100, 400, 400, 0, 0, 0);
+        h.min_width = h.max_width = h.min_height = h.max_height = 400;
+        h.flags = PMinSize | PMaxSize;
+        XSetWMNormalHints(d, f, &h);
+        XStoreName(d, f, "floating");
+        XMapWindow(d, f);
+
+        XSelectInput(d, f, ExposureMask);
+        while (1) {
+                XNextEvent(d, &e);
+
+                if (t == None) {
+                        sleep(5);
+                        t = XCreateSimpleWindow(d, r, 50, 50, 100, 100, 0, 0, 0);
+                        XSetTransientForHint(d, t, f);
+                        XStoreName(d, t, "transient");
+                        XMapWindow(d, t);
+                        XSelectInput(d, t, ExposureMask);
+                }
+        }
+
+        XCloseDisplay(d);
+        exit(0);
+}