[hackers] [dmenu] attempt to grab the keyboard only 1000 times, not forever.

changeset: 191:dd3d02b07cac
tag: tip
user: Anselm R. Garbe <arg_AT_suckless.org>
date: Wed Mar 07 11:01:14 2007 +0100
summary: attempt to grab the keyboard only 1000 times, not forever.

diff -r 37b511cb5733 -r dd3d02b07cac config.mk
--- a/config.mk Wed Mar 07 10:54:21 2007 +0100
+++ b/config.mk Wed Mar 07 11:01:14 2007 +0100
@@ -1,5 +1,5 @@
 # dmenu version
-VERSION = 2.7
+VERSION = 2.8
 
 # Customize below to fit your system
 
diff -r 37b511cb5733 -r dd3d02b07cac main.c
--- a/main.c Wed Mar 07 10:54:21 2007 +0100
+++ b/main.c Wed Mar 07 11:01:14 2007 +0100
@@ -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 */
Received on Wed Mar 07 2007 - 11:05:47 UTC