widget: Skip not-drawable widgets in snapshot_child

Otherwise we transform the snapshot just to not do anything.

diff --git a/gtk/gtkwidget.c b/gtk/gtkwidget.c
index 62d15c6d2d3f46b2415954d46beedc03d120aa61..d93b4b13a5176d7b6a1995a3bc78bfa9756485d6 100644 (file)
--- a/gtk/gtkwidget.c
+++ b/gtk/gtkwidget.c
@@ -12593,6 +12593,9 @@ gtk_widget_snapshot_child (GtkWidget   *widget,
   if (GTK_IS_NATIVE (child))
     return;
 
+  if (!_gtk_widget_get_mapped (child))
+    return;
+
   if (priv->transform)
     {
       gtk_snapshot_save (snapshot);