attempt to grab the keyboard only 1000 times, not forever.

[dmenu.git] / main.c

diff --git a/main.c b/main.c
index 0f07773..fa03ec8 100644 (file)
--- a/main.c
+++ b/main.c
@@ -108,11 +108,17 @@ drawmenu(void) {
        XFlush(dpy);
 }
 
-static void
+static Bool
 grabkeyboard(void) {
-       while(XGrabKeyboard(dpy, root, True, GrabModeAsync,
-                        GrabModeAsync, CurrentTime) != GrabSuccess)
+       unsigned int len;
+
+       for(len = 1000; len; len--) {
+               if(XGrabKeyboard(dpy, root, True, GrabModeAsync, GrabModeAsync, CurrentTime)
+                       == GrabSuccess)
+                       break;
                usleep(1000);
+       }
+       return len > 0;
 }
 
 static unsigned long
@@ -456,10 +462,10 @@ main(int argc, char *argv[]) {
        root = RootWindow(dpy, screen);
        if(isatty(STDIN_FILENO)) {
                maxname = readstdin();
-               grabkeyboard();
+               running = grabkeyboard();
        }
        else { /* prevent keypress loss */
-               grabkeyboard();
+               running = grabkeyboard();
                maxname = readstdin();
        }
        /* init modifier map */