adding protected inquiry function whether a child window belongs to the 'client'...

[wxWidgets.git] / src / generic / scrlwing.cpp

diff --git a/src/generic/scrlwing.cpp b/src/generic/scrlwing.cpp
index 4578f661933037ec4b1cac8dc855217d3ffb19ac..94a3d59f5f4d29dc5de63f66c0883742f3ec0e43 100644 (file)
--- a/src/generic/scrlwing.cpp
+++ b/src/generic/scrlwing.cpp
@@ -365,7 +365,11 @@ void wxScrollHelper::SetScrollbars(int pixelsPerUnitX,
 
     // The above should arguably be deprecated, this however we still need.
 
-    m_targetWindow->SetVirtualSize( w, h );
+    // take care not to set 0 virtual size, 0 means that we don't have any
+    // scrollbars and hence we should use the real size instead of the virtual
+    // one which is indicated by using wxDefaultCoord
+    m_targetWindow->SetVirtualSize( w ? w : wxDefaultCoord,
+                                    h ? h : wxDefaultCoord);
 
     if (do_refresh && !noRefresh)
         m_targetWindow->Refresh(true, GetScrollRect());
@@ -420,6 +424,9 @@ void wxScrollHelper::SetWindow(wxWindow *win)
 void wxScrollHelper::DoSetTargetWindow(wxWindow *target)
 {
     m_targetWindow = target;
+#ifdef __WXMAC__
+    target->MacSetClipChildren( true ) ;
+#endif
 
     // install the event handler which will intercept the events we're
     // interested in (but only do it for our real window, not the target window
@@ -1246,6 +1253,9 @@ bool wxGenericScrolledWindow::Create(wxWindow *parent,
                               const wxString& name)
 {
     m_targetWindow = this;
+#ifdef __WXMAC__
+    MacSetClipChildren( true ) ;
+#endif
 
     bool ok = wxPanel::Create(parent, id, pos, size, style|wxHSCROLL|wxVSCROLL, name);