[Spice-devel] [spice-gtk][PATCH v3] spice-widget: check whether the widget is realized in focus_in_event()
Fabiano FidĂȘncio
fidencio at redhat.com
Wed Nov 26 07:12:50 PST 2014
Returning early on focus_in_event(), when widget is not realized, avoids
segfault when running on Windows using GTK3.
Program received signal SIGSEGV, Segmentation fault.
_gdk_windows_has_impl <window=window at entry=0x0> at gdkwindow.c:584
<gdb> bt
#0 _gdk_window_has_impl (window=window at entry=0x0) at gdkwindow.c:584
#1 0x70f02821 in gdk_win32_window_get_handle (window=0x0) at
gdkwindow-win32.c:3459
#2 0x00c759ef in update_display (display=0x1b18440) at
spice-widget.c:1297
#3 0x00c77280 in focus_in_event (widget=0x1b18440, focus=0x1b02b68) at
spice-widget.c:1462
#4 0x665727f5 in ?? () from C:\Program Files\VirtViewer
(GTK3)\bin\libgtk-3-0.dll
#5 0x00000000 in ?? ()
---
gtk/spice-widget.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/gtk/spice-widget.c b/gtk/spice-widget.c
index ae11073..87fd462 100644
--- a/gtk/spice-widget.c
+++ b/gtk/spice-widget.c
@@ -1447,6 +1447,9 @@ static gboolean focus_in_event(GtkWidget *widget, GdkEventFocus *focus G_GNUC_UN
SPICE_DEBUG("%s", __FUNCTION__);
+ if (!gtk_widget_get_realized(widget))
+ return true;
+
/*
* Ignore focus in when we already have the focus
* (this happens when doing an ungrab from the leave_event callback).
--
2.1.0
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