avoiding crash for pure modifier events

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

diff --git a/include/wx/msw/dcclient.h b/include/wx/msw/dcclient.h
index 766b28cd28790be460f12f34ff03fa3e3d7cb02f..eed5e21e594f3bc94e110b6a14642071dc8109b9 100644 (file)
--- a/include/wx/msw/dcclient.h
+++ b/include/wx/msw/dcclient.h
@@ -16,11 +16,9 @@
 // headers
 // ----------------------------------------------------------------------------
 
-#ifdef __GNUG__
-    #pragma interface "dcclient.h"
-#endif
-
 #include "wx/dc.h"
+#include "wx/msw/dc.h"
+#include "wx/dcclient.h"
 #include "wx/dynarray.h"
 
 // ----------------------------------------------------------------------------
@@ -28,7 +26,7 @@
 // ----------------------------------------------------------------------------
 
 // this one if used by wxPaintDC only
-struct WXDLLEXPORT wxPaintDCInfo;
+struct WXDLLIMPEXP_FWD_CORE wxPaintDCInfo;
 
 WX_DECLARE_EXPORTED_OBJARRAY(wxPaintDCInfo, wxArrayDCInfo);
 
@@ -36,56 +34,54 @@ WX_DECLARE_EXPORTED_OBJARRAY(wxPaintDCInfo, wxArrayDCInfo);
 // DC classes
 // ----------------------------------------------------------------------------
 
-class WXDLLEXPORT wxWindowDC : public wxDC
+class WXDLLIMPEXP_CORE wxWindowDCImpl : public wxMSWDCImpl
 {
 public:
     // default ctor
-    wxWindowDC();
+    wxWindowDCImpl( wxDC *owner );
 
     // Create a DC corresponding to the whole window
-    wxWindowDC(wxWindow *win);
+    wxWindowDCImpl( wxDC *owner, wxWindow *win );
+
+    virtual void DoGetSize(int *width, int *height) const;
 
 protected:
-    // intiialize the newly created DC
+    // initialize the newly created DC
     void InitDC();
 
-    // override some base class virtuals
-    virtual void DoGetSize(int *width, int *height) const;
-
-private:
-    DECLARE_DYNAMIC_CLASS(wxWindowDC)
+    DECLARE_CLASS(wxWindowDCImpl)
+    DECLARE_NO_COPY_CLASS(wxWindowDCImpl)
 };
 
-class WXDLLEXPORT wxClientDC : public wxWindowDC
+class WXDLLIMPEXP_CORE wxClientDCImpl : public wxWindowDCImpl
 {
 public:
     // default ctor
-    wxClientDC();
+    wxClientDCImpl( wxDC *owner );
 
     // Create a DC corresponding to the client area of the window
-    wxClientDC(wxWindow *win);
+    wxClientDCImpl( wxDC *owner, wxWindow *win );
 
-    virtual ~wxClientDC();
+    virtual ~wxClientDCImpl();
+
+    virtual void DoGetSize(int *width, int *height) const;
 
 protected:
     void InitDC();
 
-    // override some base class virtuals
-    virtual void DoGetSize(int *width, int *height) const;
-
-private:
-    DECLARE_DYNAMIC_CLASS(wxClientDC)
+    DECLARE_CLASS(wxClientDCImpl)
+    DECLARE_NO_COPY_CLASS(wxClientDCImpl)
 };
 
-class WXDLLEXPORT wxPaintDC : public wxClientDC
+class WXDLLIMPEXP_CORE wxPaintDCImpl : public wxClientDCImpl
 {
 public:
-    wxPaintDC();
+    wxPaintDCImpl( wxDC *owner );
 
     // Create a DC corresponding for painting the window in OnPaint()
-    wxPaintDC(wxWindow *win);
+    wxPaintDCImpl( wxDC *owner, wxWindow *win );
 
-    virtual ~wxPaintDC();
+    virtual ~wxPaintDCImpl();
 
     // find the entry for this DC in the cache (keyed by the window)
     static WXHDC FindDCInCache(wxWindow* win);
@@ -96,8 +92,23 @@ protected:
     // find the entry for this DC in the cache (keyed by the window)
     wxPaintDCInfo *FindInCache(size_t *index = NULL) const;
 
-private:
-    DECLARE_DYNAMIC_CLASS(wxPaintDC)
+    DECLARE_CLASS(wxPaintDCImpl)
+    DECLARE_NO_COPY_CLASS(wxPaintDCImpl)
+};
+
+/*
+ * wxPaintDCEx
+ * This class is used when an application sends an HDC with the WM_PAINT
+ * message. It is used in HandlePaint and need not be used by an application.
+ */
+
+class WXDLLIMPEXP_CORE wxPaintDCEx : public wxPaintDC
+{
+public:
+    wxPaintDCEx(wxWindow *canvas, WXHDC dc);
+    
+    DECLARE_CLASS(wxPaintDCEx)
+    DECLARE_NO_COPY_CLASS(wxPaintDCEx)
 };
 
 #endif