[Xfce4-commits] [xfce/xfwm4] 05/08: Flush display to catch possible errors

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olivier pushed a commit to branch master
in repository xfce/xfwm4.

commit f7fe89ab59a25c6e23db56b94b6243915fd5ecdb
Author: Olivier Fourdan <fourdan at xfce.org>
Date:   Mon May 1 22:23:41 2017 +0200

    Flush display to catch possible errors
    
    Otherwise the current WM window might have vanished and we wouldn't
    know.
---
 src/screen.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/screen.c b/src/screen.c
index fc7c608..3cdc7cb 100644
--- a/src/screen.c
+++ b/src/screen.c
@@ -108,6 +108,7 @@ myScreenSetWMAtom (ScreenInfo *screen_info, gboolean replace_wm)
         gdk_error_trap_push ();
         attrs.event_mask = StructureNotifyMask;
         XChangeWindowAttributes (display_info->dpy, current_wm, CWEventMask, &attrs);
+        gdk_flush ();
         if (gdk_error_trap_pop ())
         {
             current_wm = None;

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