refresh the tree ctrl when its back/foreground colour changes

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@11466 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/generic/treectlg.h

@@ -222,7 +222,6 @@ public:
 
         // Only for internal use right now, but should probably be public
     wxTreeItemId GetNext(const wxTreeItemId& item) const;
-    wxTreeItemId GetPrev(const wxTreeItemId& item) const;
 
     // operations
     // ----------
@@ -329,6 +328,10 @@ public:
 
     // implementation only from now on
 
+    // overridden base class virtuals
+    virtual bool SetBackgroundColour(const wxColour& colour);
+    virtual bool SetForegroundColour(const wxColour& colour);
+
     // callbacks
     void OnPaint( wxPaintEvent &event );
     void OnSetFocus( wxFocusEvent &event );

src/generic/treectlg.cpp

@@ -1032,15 +1032,6 @@ wxTreeItemId wxGenericTreeCtrl::GetNext(const wxTreeItemId& item) const
     }
 }
 
-wxTreeItemId wxGenericTreeCtrl::GetPrev(const wxTreeItemId& item) const
-{
-    wxCHECK_MSG( item.IsOk(), wxTreeItemId(), wxT("invalid tree item") );
-
-    wxFAIL_MSG(wxT("not implemented"));
-
-    return wxTreeItemId();
-}
-
 wxTreeItemId wxGenericTreeCtrl::GetFirstVisibleItem() const
 {
     wxTreeItemId id = GetRootItem();
@@ -2926,4 +2917,28 @@ void wxGenericTreeCtrl::RefreshSelectedUnder(wxGenericTreeItem *item)
     }
 }
 
+// ----------------------------------------------------------------------------
+// changing colours: we need to refresh the tree control
+// ----------------------------------------------------------------------------
+
+bool wxGenericTreeCtrl::SetBackgroundColour(const wxColour& colour)
+{
+    if ( !wxWindow::SetBackgroundColour(colour) )
+        return FALSE;
+
+    Refresh();
+
+    return TRUE;
+}
+
+}bool wxGenericTreeCtrl::SetForegroundColour(const wxColour& colour)
+{
+    if ( !wxWindow::SetForegroundColour(colour) )
+        return FALSE;
+
+    Refresh();
+
+    return TRUE;
+}
+
 #endif // wxUSE_TREECTRL