remove unused variable assignment, closes #14928

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

diff --git a/include/wx/msw/dcclient.h b/include/wx/msw/dcclient.h
index 21d1a42e53304c5d702b3d5052e8350b1081f245..9fb1cca4e7e4a15a703eb193bbaca33fd401fa0e 100644 (file)
--- a/include/wx/msw/dcclient.h
+++ b/include/wx/msw/dcclient.h
@@ -1,12 +1,12 @@
 /////////////////////////////////////////////////////////////////////////////
-// Name:        dcclient.h
+// Name:        wx/msw/dcclient.h
 // Purpose:     wxClientDC class
 // Author:      Julian Smart
 // Modified by:
 // Created:     01/02/97
 // RCS-ID:      $Id$
-// Copyright:   (c) Julian Smart and Markus Holzem
-// Licence:     wxWindows license
+// Copyright:   (c) Julian Smart
+// Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 
 #ifndef _WX_DCCLIENT_H_
@@ -16,69 +16,93 @@
 // headers
 // ----------------------------------------------------------------------------
 
-#ifdef __GNUG__
-    #pragma interface "dcclient.h"
-#endif
-
 #include "wx/dc.h"
-#include "wx/dynarray.h"
+#include "wx/msw/dc.h"
+#include "wx/dcclient.h"
 
-// ----------------------------------------------------------------------------
-// array types
-// ----------------------------------------------------------------------------
-
-// this one if used by wxPaintDC only
-struct WXDLLEXPORT wxPaintDCInfo;
-
-WX_DECLARE_OBJARRAY(wxPaintDCInfo, wxArrayDCInfo);
+class wxPaintDCInfo;
 
 // ----------------------------------------------------------------------------
 // DC classes
 // ----------------------------------------------------------------------------
 
-class WXDLLEXPORT wxWindowDC : public wxDC
+class WXDLLIMPEXP_CORE wxWindowDCImpl : public wxMSWDCImpl
 {
-    DECLARE_DYNAMIC_CLASS(wxWindowDC)
-
 public:
-    wxWindowDC();
+    // default ctor
+    wxWindowDCImpl( wxDC *owner );
 
     // Create a DC corresponding to the whole window
-    wxWindowDC(wxWindow *win);
+    wxWindowDCImpl( wxDC *owner, wxWindow *win );
 
-    virtual ~wxWindowDC();
+    virtual void DoGetSize(int *width, int *height) const;
+
+protected:
+    // initialize the newly created DC
+    void InitDC();
+
+    DECLARE_CLASS(wxWindowDCImpl)
+    wxDECLARE_NO_COPY_CLASS(wxWindowDCImpl);
 };
 
-class WXDLLEXPORT wxClientDC : public wxWindowDC
+class WXDLLIMPEXP_CORE wxClientDCImpl : public wxWindowDCImpl
 {
-    DECLARE_DYNAMIC_CLASS(wxClientDC)
-
 public:
-    wxClientDC();
+    // default ctor
+    wxClientDCImpl( wxDC *owner );
 
     // Create a DC corresponding to the client area of the window
-    wxClientDC(wxWindow *win);
+    wxClientDCImpl( wxDC *owner, wxWindow *win );
+
+    virtual ~wxClientDCImpl();
+
+    virtual void DoGetSize(int *width, int *height) const;
 
-    virtual ~wxClientDC();
+protected:
+    void InitDC();
+
+    DECLARE_CLASS(wxClientDCImpl)
+    wxDECLARE_NO_COPY_CLASS(wxClientDCImpl);
 };
 
-class WXDLLEXPORT wxPaintDC : public wxWindowDC
+class WXDLLIMPEXP_CORE wxPaintDCImpl : public wxClientDCImpl
 {
-    DECLARE_DYNAMIC_CLASS(wxPaintDC)
-
 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);
+
+    // This must be called by the code handling WM_PAINT to remove the DC
+    // cached for this window for the duration of this message processing.
+    static void EndPaint(wxWindow *win);
 
 protected:
-    static wxArrayDCInfo ms_cache;
+    // Find the DC for this window in the cache, return NULL if not found.
+    static wxPaintDCInfo *FindInCache(wxWindow* win);
 
-    // find the entry for this DC in the cache (keyed by the window)
-    wxPaintDCInfo *FindInCache(size_t *index = NULL) const;
+    DECLARE_CLASS(wxPaintDCImpl)
+    wxDECLARE_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)
+    wxDECLARE_NO_COPY_CLASS(wxPaintDCEx);
 };
 
 #endif