scrolledwindow: Only render overshoot on the widget window

Without any check, it was being rendered also on the indicator
GdkWindows, which resulted on an over-exposed effect there.

diff --git a/gtk/gtkscrolledwindow.c b/gtk/gtkscrolledwindow.c
index 5a0b410d689cd9615a2b20187e385a3a83ee800d..8ea03d51fe958884997d37593f23431518c22ea0 100644 (file)
--- a/gtk/gtkscrolledwindow.c
+++ b/gtk/gtkscrolledwindow.c
@@ -1884,7 +1884,8 @@ gtk_scrolled_window_draw (GtkWidget *widget,
       gtk_cairo_should_draw_window (cr, priv->vindicator.window))
     gtk_container_propagate_draw (GTK_CONTAINER (scrolled_window), priv->vscrollbar, cr);
 
-  gtk_scrolled_window_draw_overshoot (scrolled_window, cr);
+  if (gtk_cairo_should_draw_window (cr, gtk_widget_get_window (widget)))
+    gtk_scrolled_window_draw_overshoot (scrolled_window, cr);
 
   return FALSE;
 }