Z-Index and stacking contexts: start.

1 files changed, 7 insertions, 0 deletions

diff --git a/dw/layout.cc b/dw/layout.cc
index 2845a8e9..d46d2455 100644
--- a/dw/layout.cc
+++ b/dw/layout.cc
@@ -374,6 +374,13 @@ void Layout::addWidget (Widget *widget)
       return;
    }
 
+   // The toplevel widget always establishes a stacking context. It could
+   // already be set in Widget::setStyle().
+   if (widget->stackingContextMgr == NULL) {
+      widget->stackingContextMgr = new StackingContextMgr (widget);
+      DBG_OBJ_ASSOC (widget, widget->stackingContextMgr);
+   }
+
    topLevel = widget;
    widget->layout = this;
    widget->container = NULL;