X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/e2f865d857892feed9f63a8f49da90ac5c0d6430..254fbd140e67b60f46d7380c6ac242110ddd7585:/include/wx/mac/carbon/window.h

diff --git a/include/wx/mac/carbon/window.h b/include/wx/mac/carbon/window.h
index 97d3c3cfd7..e8ed1c6e1b 100644
--- a/include/wx/mac/carbon/window.h
+++ b/include/wx/mac/carbon/window.h
@@ -205,11 +205,16 @@ public:
     virtual void        MacSetBackgroundBrush( const wxBrush &brush ) ;
     const wxBrush&      MacGetBackgroundBrush() const { return m_macBackgroundBrush ; }
     
+    // return the rectangle that would be visible of this control, regardless whether controls are hidden
+    // only taking into account clipping by parent windows
+    const wxRect&       MacGetClippedClientRect() const ;
+    const wxRect&       MacGetClippedRect() const ;
+    const wxRect&       MacGetClippedRectWithOuterStructure() const ;
     // returns the visible region of this control in window ie non-client coordinates
-    
-    wxRegion            MacGetVisibleRegion( bool includeOuterStructures = false ) ;
+    const wxRegion&     MacGetVisibleRegion( bool includeOuterStructures = false ) ;
     // returns true if children have to clipped to the content area (eg scrolled window)
-    virtual bool		MacClipChildren() const { return false ; }
+    bool		        MacClipChildren() const { return m_clipChildren ; }
+    void                MacSetClipChildren( bool clip ) { m_clipChildren = clip ; }
     // returns true if the grandchildren have to be clipped to the children's content area (eg
     // splitter window)
     virtual bool		MacClipGrandChildren() const { return false ; }
@@ -263,6 +268,15 @@ protected:
 #if wxMAC_USE_CORE_GRAPHICS
     void *              m_cgContextRef ;
 #endif
+    // cache the clipped rectangles within the window hierarchy
+    void                MacUpdateClippedRects() const ;
+    mutable bool        m_cachedClippedRectValid ;
+    mutable wxRect      m_cachedClippedRectWithOuterStructure ;
+    mutable wxRect      m_cachedClippedRect ;
+    mutable wxRect      m_cachedClippedClientRect ;
+    mutable wxRegion    m_cachedClippedRegionWithOuterStructure ;
+    mutable wxRegion    m_cachedClippedRegion ;
+    mutable wxRegion    m_cachedClippedClientRegion ;
     // true if is is not a native control but a wxWindow control
 	bool				m_macIsUserPane ;
     wxBrush             m_macBackgroundBrush ;
@@ -274,6 +288,12 @@ protected:
     wxScrollBar*        m_hScrollBar ;
     wxScrollBar*        m_vScrollBar ;
     wxString            m_label ;
+    // returns true if we do a sharp clip at the content area of this window
+    // must be dynamic as eg a panel normally is not clipping precisely, but if
+    // it becomes the target window of a scrolled window it has to...
+    bool                m_clipChildren ;
+    
+    virtual bool        MacIsChildOfClientArea( const wxWindow* child ) const ;
     
     void                MacCreateScrollBars( long style ) ;
     void                MacRepositionScrollBars() ;