Started work on more efficient handling of viewport size changes.

1 files changed, 6 insertions, 24 deletions

diff --git a/dw/layout.cc b/dw/layout.cc
index 818effd2..bd519042 100644
--- a/dw/layout.cc
+++ b/dw/layout.cc
@@ -926,8 +926,7 @@ void Layout::resizeIdle ()
             canvasHeightGreater = true;
             DBG_OBJ_SET_SYM ("canvasHeightGreater",
                              canvasHeightGreater ? "true" : "false");
-            assert (topLevel); // No toplevel widget would have no size.
-            containerSizeChanged (topLevel);
+            containerSizeChanged ();
          }
 
          // Set viewport sizes.
@@ -1296,31 +1295,14 @@ void Layout::viewportSizeChanged (View *view, int width, int height)
    DBG_OBJ_SET_NUM ("viewportWidth", viewportWidth);
    DBG_OBJ_SET_NUM ("viewportHeight", viewportHeight);
 
-   if (topLevel)
-      containerSizeChanged (topLevel);
+   containerSizeChanged ();
 }
 
-bool Layout::widgetAffectedByContainerSizeChange (Widget *widget)
+void Layout::containerSizeChanged ()
 {
-   return true; // TODO only absolute dimensions? Depending on widget class?
-}
-
-void Layout::containerSizeChanged (Widget *widget)
-{
-   if (widgetAffectedByContainerSizeChange (widget)) {
-      widget->queueResize (0, false);
-
-      // TODO Wrong! Iteration must stop when the *container* (not the
-      // *parent*!) is unaffected. (Does not matter as long as
-      // widgetAffectedByContainerSizeChange() returns always true.)
-
-      Iterator *it =
-         widget->iterator ((Content::Type)
-                           (Content::WIDGET_IN_FLOW | Content::WIDGET_OOF_CONT),
-                           false);
-      while (it->next ())
-         containerSizeChanged (it->getContent()->widget);
-      it->unref ();
+   if (topLevel) {
+      topLevel->containerSizeChanged ();
+      queueResize (true);
    }
 }