AuroraMiddleware/gtk
1
0
Fork 1
mirror of https://gitlab.gnome.org/GNOME/gtk.git synced 2025-01-16 15:14:17 +00:00
Code Issues Projects Releases Wiki Activity

widget: Avoid a crash in crossing event handling

Browse Source 
We need to make sure that the crossing data stays
alive until we are done handling it, so take references
on all the widgets in it.
This commit is contained in:
Matthias Clasen 2020-08-26 07:24:54 -04:00
parent eef1818cee
commit 44741e1b77
1 changed files with 18 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

18
gtk/gtkwidget.c
View File

@ -4376,12 +4376,30 @@ gtk_widget_handle_crossing (GtkWidget *widget,
g_object_ref (widget);
if (crossing->old_target)
g_object_ref (crossing->old_target);
if (crossing->new_target)
g_object_ref (crossing->new_target);
if (crossing->old_descendent)
g_object_ref (crossing->old_descendent);
if (crossing->new_descendent)
g_object_ref (crossing->new_descendent);
for (l = priv->event_controllers; l; l = l->next)
{
GtkEventController *controller = l->data;
gtk_event_controller_handle_crossing (controller, crossing, x, y);
}
if (crossing->old_target)
g_object_unref (crossing->old_target);
if (crossing->new_target)
g_object_unref (crossing->new_target);
if (crossing->old_descendent)
g_object_unref (crossing->old_descendent);
if (crossing->new_descendent)
g_object_unref (crossing->new_descendent);
g_object_unref (widget);
}