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| author | John Ralls <jralls@ceridwen.us> | 2013-10-11 17:40:50 (GMT) |
|---|---|---|
| committer | John Ralls <jralls@ceridwen.us> | 2013-10-11 17:54:15 (GMT) |
| commit | cf66cf906ec148ffbfa586b8e465d15b066412ae (patch) | |
| tree | b50b75af3a1eabc4aa267a7912224e61945e604e | |
| parent | d0065270ac1ec01f597a924d157ad2f1d50f3580 (diff) | |
| download | gtk-cf66cf906ec148ffbfa586b8e465d15b066412ae.tar.gz gtk-cf66cf906ec148ffbfa586b8e465d15b066412ae.tar.xz | |
Ensure src and dest are GdkWindows in _gdk_sythesize_crossing_events
Discovered via a crash because b's (dest's) toplevel was NULL;
ensuring that the dest is actually a GdkWindow or setting b to NULL
prevents that path from being taken.
| -rw-r--r-- | gdk/gdkwindow.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/gdk/gdkwindow.c b/gdk/gdkwindow.c index 6d2bd68..b16f283 100644 --- a/gdk/gdkwindow.c +++ b/gdk/gdkwindow.c @@ -7570,8 +7570,9 @@ _gdk_synthesize_crossing_events (GdkDisplay *display, /* TODO: Don't send events to toplevel, as we get those from the windowing system */ - a = src; - b = dest; + a = (src && GDK_IS_WINDOW (src)) ? src : NULL; + b = (dest && GDK_IS_WINDOW (dest)) ? dest : NULL; + if (src == dest) return; /* No crossings generated between src and dest */ |