avoiding crash for pure modifier events

[wxWidgets.git] / include / wx / motif / dcclient.h

diff --git a/include/wx/motif/dcclient.h b/include/wx/motif/dcclient.h
index 2208d7c829a0b36125551fc219002c919ed281b8..86f6ce73ee0515e075972573f130cccb1909311e 100644 (file)
--- a/include/wx/motif/dcclient.h
+++ b/include/wx/motif/dcclient.h
@@ -1,6 +1,6 @@
 /////////////////////////////////////////////////////////////////////////////
 // Name:        wx/motif/dcclient.h
-// Purpose:     wxClientDC, wxPaintDC and wxWindowDC classes
+// Purpose:     wxClientDCImpl, wxPaintDCImpl and wxWindowDCImpl classes
 // Author:      Julian Smart
 // Modified by:
 // Created:     17/09/98
@@ -12,31 +12,21 @@
 #ifndef _WX_DCCLIENT_H_
 #define _WX_DCCLIENT_H_
 
-#include "wx/dc.h"
+#include "wx/motif/dc.h"
 
-// ----------------------------------------------------------------------------
-// fwd declarations
-// ----------------------------------------------------------------------------
-
-class WXDLLEXPORT wxWindowDC;
-class WXDLLEXPORT wxWindow;
-
-// Under Windows, wxClientDC, wxPaintDC and wxWindowDC are implemented
-// differently. On many platforms, however, they will be the same.
+class WXDLLIMPEXP_FWD_CORE wxWindow;
 
 //-----------------------------------------------------------------------------
-// wxWindowDC
+// wxWindowDCImpl
 //-----------------------------------------------------------------------------
 
-class WXDLLEXPORT wxWindowDC : public wxDC
+class WXDLLIMPEXP_CORE wxWindowDCImpl : public wxMotifDCImpl
 {
-    DECLARE_DYNAMIC_CLASS(wxWindowDC)
-
 public:
-    wxWindowDC();
-    wxWindowDC( wxWindow *win );
+    wxWindowDCImpl(wxDC *owner);
+    wxWindowDCImpl(wxDC *owner, wxWindow *win);
 
-    virtual ~wxWindowDC();
+    virtual ~wxWindowDCImpl();
 
     // TODO this function is Motif-only for now - should it go into base class?
     void Clear(const wxRect& rect);
@@ -63,7 +53,7 @@ public:
         wxCoord *x, wxCoord *y,
         wxCoord *descent = NULL,
         wxCoord *externalLeading = NULL,
-        wxFont *theFont = NULL) const;
+        const wxFont *theFont = NULL) const;
 
     virtual bool CanDrawBitmap() const;
     virtual bool CanGetTextExtent() const;
@@ -92,11 +82,11 @@ protected:
     // if roundToWhite == true then the colour will be set to white unless
     // it is RGB 0x000000;if roundToWhite == true the colour wull be set to
     // black unless it id RGB 0xffffff
-    int CalculatePixel(wxColour& colour, wxColour& curCol,
-                       bool roundToWhite) const;
+    WXPixel CalculatePixel(wxColour& colour, wxColour& curCol,
+                           bool roundToWhite) const;
     // sets the foreground pixel taking into account the
     // currently selected logical operation
-    void SetForegroundPixelWithLogicalFunction(int pixel);
+    void SetForegroundPixelWithLogicalFunction(WXPixel pixel);
 
     virtual bool DoFloodFill(wxCoord x, wxCoord y, const wxColour& col,
         int style = wxFLOOD_SURFACE);
@@ -127,9 +117,9 @@ protected:
         wxDC *source, wxCoord xsrc, wxCoord ysrc,
         int rop = wxCOPY, bool useMask = false, wxCoord xsrcMask = -1, wxCoord ysrcMask = -1);
 
-    virtual void DoSetClippingRegionAsRegion(const wxRegion& region);
     virtual void DoSetClippingRegion(wxCoord x, wxCoord y,
         wxCoord width, wxCoord height);
+    virtual void DoSetDeviceClippingRegion(const wxRegion& region);
 
     virtual void DoDrawLines(int n, wxPoint points[],
         wxCoord xoffset, wxCoord yoffset);
@@ -153,7 +143,7 @@ protected:
     WXRegion     m_clipRegion;
 
     // Not sure if we'll need all of these
-    int          m_backgroundPixel;
+    WXPixel      m_backgroundPixel;
     wxColour     m_currentColour;
     int          m_currentPenWidth ;
     int          m_currentPenJoin ;
@@ -164,26 +154,29 @@ protected:
     int          m_currentStyle ;
     int          m_currentFill ;
     int          m_autoSetting ; // See comment in dcclient.cpp
+
+    DECLARE_DYNAMIC_CLASS(wxWindowDCImpl)
 };
 
-class WXDLLEXPORT wxPaintDC: public wxWindowDC
+class WXDLLIMPEXP_CORE wxPaintDCImpl: public wxWindowDCImpl
 {
-    DECLARE_DYNAMIC_CLASS(wxPaintDC)
-
 public:
-    wxPaintDC() { }
-    wxPaintDC(wxWindow* win);
+    wxPaintDCImpl(wxDC *owner) : wxWindowDCImpl(owner) { }
+    wxPaintDCImpl(wxDC *owner, wxWindow* win);
+
+    virtual ~wxPaintDCImpl();
 
-    virtual ~wxPaintDC();
+    DECLARE_DYNAMIC_CLASS(wxPaintDCImpl)
 };
 
-class WXDLLEXPORT wxClientDC: public wxWindowDC
+class WXDLLIMPEXP_CORE wxClientDCImpl: public wxWindowDCImpl
 {
-    DECLARE_DYNAMIC_CLASS(wxClientDC)
-
 public:
-    wxClientDC() { }
-    wxClientDC(wxWindow* win) : wxWindowDC(win) { }
+    wxClientDCImpl(wxDC *owner) : wxWindowDCImpl(owner) { }
+    wxClientDCImpl(wxDC *owner, wxWindow* win)
+        : wxWindowDCImpl(owner, win) { }
+
+    DECLARE_DYNAMIC_CLASS(wxClientDCImpl)
 };
 
 #endif // _WX_DCCLIENT_H_