Forward important properties and setters of the private BSplitLayout

in the BSplitView class, related to getting and setting item weights
programatically.


git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@40048 a95241bf-73f2-0310-859d-f6bbb57e9c96

headers/os/interface/SplitView.h

@@ -33,6 +33,11 @@ public:
 			float				SplitterSize() const;
 			void				SetSplitterSize(float size);
 
+			float				ItemWeight(int32 index) const;
+			float				ItemWeight(BLayoutItem* item) const;
+			void				SetItemWeight(int32 index, float weight,
+									bool invalidateLayout);
+			void				SetItemWeight(BLayoutItem* item, float weight);
 
 			void				SetCollapsible(bool collapsible);
 			void				SetCollapsible(int32 index, bool collapsible);

src/kits/interface/SplitView.cpp

@@ -95,6 +95,34 @@ BSplitView::SetSplitterSize(float size)
 }
 
 
+float
+BSplitView::ItemWeight(int32 index) const
+{
+	return fSplitLayout->ItemWeight(index);
+}
+
+
+float
+BSplitView::ItemWeight(BLayoutItem* item) const
+{
+	return fSplitLayout->ItemWeight(item);
+}
+
+
+void
+BSplitView::SetItemWeight(int32 index, float weight, bool invalidateLayout)
+{
+	fSplitLayout->SetItemWeight(index, weight, invalidateLayout);
+}
+
+
+void
+BSplitView::SetItemWeight(BLayoutItem* item, float weight)
+{
+	fSplitLayout->SetItemWeight(item, weight);
+}
+
+
 void
 BSplitView::SetCollapsible(bool collapsible)
 {