- int x = rect->x;
- if (GetLayoutDirection() == wxLayout_RightToLeft)
- x = GetClientSize().x - x - rect->width;
-
- GdkRectangle r;
- r.x = rect->x;
- r.y = rect->y;
- r.width = rect->width;
- r.height = rect->height;
- gdk_window_invalidate_rect( m_wxwindow->window, &r, TRUE );
+ // Just return if the widget or one of its ancestors isn't mapped
+ GtkWidget *w;
+ for (w = m_wxwindow; w != NULL; w = w->parent)
+ if (!GTK_WIDGET_MAPPED (w))
+ return;
+
+ if (rect)
+ {
+ int x = rect->x;
+ if (GetLayoutDirection() == wxLayout_RightToLeft)
+ x = GetClientSize().x - x - rect->width;
+ GdkRectangle r;
+ r.x = rect->x;
+ r.y = rect->y;
+ r.width = rect->width;
+ r.height = rect->height;
+ gdk_window_invalidate_rect( m_wxwindow->window, &r, TRUE );
+ }
+ else
+ gdk_window_invalidate_rect( m_wxwindow->window, NULL, TRUE );