From: Ian Jackson <ijackson@chiark.greenend.org.uk>
Date: Mon, 11 Jul 2016 14:15:55 +0000 (+0100)
Subject: Change grabs to always grab pointer GrabModeSync
X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=xtrlock.git;a=commitdiff_plain;h=ae14e988570751fc7aa3fd5ab21c319fe16db079

Change grabs to always grab pointer GrabModeSync

Experimentally, changing keyboard mode to GrabModeSync means xtrlock
cannot see us typing any more.

But we don't care about mouse events.

Hopefully this will fix #830726.

Signed-off-by: Ian Jackson <ijackson@chiark.greenend.org.uk>
---

diff --git a/xtrlock.c b/xtrlock.c
index 20208dd..dee9be7 100644
--- a/xtrlock.c
+++ b/xtrlock.c
@@ -191,7 +191,7 @@ int main(int argc, char **argv){
   gs=0; /*gs==grab successful*/
   for (tvt=0 ; tvt<100; tvt++) {
     ret = XGrabKeyboard(display,window,False,
-			GrabModeAsync, /* pointer_mode */
+			GrabModeSync, /* pointer_mode */
 			GrabModeAsync, /* keyboard_mode */
 			CurrentTime);
     if (ret == GrabSuccess) {
@@ -210,10 +210,10 @@ int main(int argc, char **argv){
   }
 
   if (XGrabPointer(display,window,False,(KeyPressMask|KeyReleaseMask)&0,
-		   GrabModeAsync, /* pointer_mode */
-		   GrabModeAsync, /* pointer_mode */
+		   GrabModeSync, /* pointer_mode */
+		   GrabModeAsync, /* keyboard_mode */
 		   None,
-               cursor,CurrentTime)!=GrabSuccess) {
+		   cursor,CurrentTime)!=GrabSuccess) {
     XUngrabKeyboard(display,CurrentTime);
     fprintf(stderr,"xtrlock (version %s): cannot grab pointer\n",
 	    program_version);