disallow creation of wxDC objects and made wxDC an ABC; use wxDCTemp instead of wxDC...

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

diff --git a/include/wx/msw/dcclient.h b/include/wx/msw/dcclient.h
index 16949da89b9f4d1cb5970ee624cd1e58403c6160..b85000d9d049471b7acf66524ac9ae0ac3d7e06e 100644 (file)
--- a/include/wx/msw/dcclient.h
+++ b/include/wx/msw/dcclient.h
@@ -5,8 +5,8 @@
 // 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_
@@ -16,10 +16,6 @@
 // headers
 // ----------------------------------------------------------------------------
 
-#ifdef __GNUG__
-    #pragma interface "dcclient.h"
-#endif
-
 #include "wx/dc.h"
 #include "wx/dynarray.h"
 
@@ -30,11 +26,7 @@
 // this one if used by wxPaintDC only
 struct WXDLLEXPORT wxPaintDCInfo;
 
-#undef  WXDLLEXPORTLOCAL
-#define WXDLLEXPORTLOCAL WXDLLEXPORT
-WX_DECLARE_OBJARRAY(wxPaintDCInfo, wxArrayDCInfo);
-#undef  WXDLLEXPORTLOCAL
-#define WXDLLEXPORTLOCAL
+WX_DECLARE_EXPORTED_OBJARRAY(wxPaintDCInfo, wxArrayDCInfo);
 
 // ----------------------------------------------------------------------------
 // DC classes
@@ -42,34 +34,47 @@ WX_DECLARE_OBJARRAY(wxPaintDCInfo, wxArrayDCInfo);
 
 class WXDLLEXPORT wxWindowDC : public wxDC
 {
-    DECLARE_DYNAMIC_CLASS(wxWindowDC)
-
 public:
+    // default ctor
     wxWindowDC();
 
     // Create a DC corresponding to the whole window
     wxWindowDC(wxWindow *win);
 
-    virtual ~wxWindowDC();
+protected:
+    // initialize the newly created DC
+    void InitDC();
+
+    // override some base class virtuals
+    virtual void DoGetSize(int *width, int *height) const;
+
+private:
+    DECLARE_DYNAMIC_CLASS_NO_COPY(wxWindowDC)
 };
 
 class WXDLLEXPORT wxClientDC : public wxWindowDC
 {
-    DECLARE_DYNAMIC_CLASS(wxClientDC)
-
 public:
+    // default ctor
     wxClientDC();
 
     // Create a DC corresponding to the client area of the window
     wxClientDC(wxWindow *win);
 
     virtual ~wxClientDC();
+
+protected:
+    void InitDC();
+
+    // override some base class virtuals
+    virtual void DoGetSize(int *width, int *height) const;
+
+private:
+    DECLARE_DYNAMIC_CLASS_NO_COPY(wxClientDC)
 };
 
-class WXDLLEXPORT wxPaintDC : public wxWindowDC
+class WXDLLEXPORT wxPaintDC : public wxClientDC
 {
-    DECLARE_DYNAMIC_CLASS(wxPaintDC)
-
 public:
     wxPaintDC();
 
@@ -78,11 +83,35 @@ public:
 
     virtual ~wxPaintDC();
 
+    // find the entry for this DC in the cache (keyed by the window)
+    static WXHDC FindDCInCache(wxWindow* win);
+
 protected:
     static wxArrayDCInfo ms_cache;
 
     // find the entry for this DC in the cache (keyed by the window)
     wxPaintDCInfo *FindInCache(size_t *index = NULL) const;
+
+private:
+    DECLARE_DYNAMIC_CLASS_NO_COPY(wxPaintDC)
+};
+
+/*
+ * 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 WXDLLEXPORT wxPaintDCEx : public wxPaintDC
+{
+public:
+    wxPaintDCEx(wxWindow *canvas, WXHDC dc);
+    virtual ~wxPaintDCEx();
+private:
+    int saveState;
+
+    DECLARE_CLASS(wxPaintDCEx)
+    DECLARE_NO_COPY_CLASS(wxPaintDCEx)
 };
 
 #endif