stack: Fix the slide animation if the child has a non-zero allocation position

This can happen if the child has a margin, for instance.

diff --git a/gtk/gtkstack.c b/gtk/gtkstack.c
index 5351eb3050989b379f512f282e3cc2ec3e6f92ac..e7cc767cd0fa0758d0bba73cd37d9a44473f7bf9 100644 (file)
--- a/gtk/gtkstack.c
+++ b/gtk/gtkstack.c
@@ -1612,6 +1612,9 @@ gtk_stack_draw_slide (GtkWidget *widget,
           break;
         }
 
+      x += priv->last_visible_surface_allocation.x;
+      y += priv->last_visible_surface_allocation.y;
+
       cairo_save (cr);
       cairo_set_source_surface (cr, priv->last_visible_surface, x, y);
       cairo_paint (cr);