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Cleaner fix for using deleted widget in idle callback

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Use a slightly higher idle priority so callback runs before TLW is deleted,
and ref the widget just to make sure it doesn't disappear. Avoids accessing
de-allocated memory.
This commit is contained in:
Paul Cornett
2016-11-05 17:27:57 -07:00
parent e3f117c4f3
commit 9c3900e40d
1 changed files with 4 additions and 7 deletions
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9
src/gtk/toplevel.cpp
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@@ -1145,12 +1145,8 @@ void wxTopLevelWindowGTK::DoSetSize( int x, int y, int width, int height, int si
extern "C" {
static gboolean reset_size_request(void* data)
{
if ( GTK_IS_WIDGET(data) )
{
gtk_widget_set_size_request(GTK_WIDGET(data), -1, -1);
}
//else: the window has probably been deleted before the idle callback was
// invoked
g_object_unref(data);
return false;
}
}
@@ -1179,7 +1175,8 @@ void wxTopLevelWindowGTK::DoSetClientSize(int width, int height)
{
gtk_widget_set_size_request(m_wxwindow, m_clientWidth, m_clientHeight);
// Cancel size request at next idle to allow resizing
g_idle_add_full(G_PRIORITY_LOW, reset_size_request, m_wxwindow, NULL);
g_idle_add_full(G_PRIORITY_LOW - 1, reset_size_request, m_wxwindow, NULL);
g_object_ref(m_wxwindow);
}
}
}