make wxMouseState accessors const; document this class

[wxWidgets.git] / include / wx / os2 / dc.h

diff --git a/include/wx/os2/dc.h b/include/wx/os2/dc.h
index c3d383cd2a78796baa77bac5370df84d17a0799b..d5dc00aa1c276047ab00ef8ef2761e89612ced15 100644 (file)
--- a/include/wx/os2/dc.h
+++ b/include/wx/os2/dc.h
@@ -13,7 +13,7 @@
 #define _WX_DC_H_
 
 #include "wx/defs.h"
 #define _WX_DC_H_
 
 #include "wx/defs.h"

-//#include "wx/dc.h"
+#include "wx/dc.h"

 
 // ---------------------------------------------------------------------------
 // macros
 
 // ---------------------------------------------------------------------------
 // macros


@@ -85,7 +85,7 @@ public:
     wxDCCacheEntry( HPS   hPS
                    ,int   nDepth
                   );
     wxDCCacheEntry( HPS   hPS
                    ,int   nDepth
                   );

-    ~wxDCCacheEntry();
+    virtual ~wxDCCacheEntry();

 
     WXHBITMAP                       m_hBitmap;
     HPS                             m_hPS;
 
     WXHBITMAP                       m_hBitmap;
     HPS                             m_hPS;


@@ -95,13 +95,15 @@ public:
 }; // end of CLASS wxDCCacheEntry
 #endif
 
 }; // end of CLASS wxDCCacheEntry
 #endif
 

-class WXDLLEXPORT wxDC : public wxDCBase
+// this is an ABC: use one of the derived classes to create a DC associated
+// with a window, screen, printer and so on
+class WXDLLIMPEXP_CORE wxPMDCImpl : public wxDCImpl

 {
     DECLARE_DYNAMIC_CLASS(wxDC)
 
 public:
 {
     DECLARE_DYNAMIC_CLASS(wxDC)
 
 public:

-    wxDC(void);
-    ~wxDC();
+    wxPMDCImpl(wxDC *owner, WXHDC hDC);
+    virtual ~wxPMDCImpl();

 
     // implement base class pure virtuals
     // ----------------------------------
 
     // implement base class pure virtuals
     // ----------------------------------


@@ -125,13 +127,7 @@ public:
 
     virtual wxCoord GetCharHeight(void) const;
     virtual wxCoord GetCharWidth(void) const;
 
     virtual wxCoord GetCharHeight(void) const;
     virtual wxCoord GetCharWidth(void) const;

-    virtual void    DoGetTextExtent( const wxString& rsString
-                                    ,wxCoord*        pX
-                                    ,wxCoord*        pY
-                                    ,wxCoord*        pDescent = NULL
-                                    ,wxCoord*        pExternalLeading = NULL
-                                    ,wxFont*         pTheFont = NULL
-                                   ) const;
+

     virtual bool    CanDrawBitmap(void) const;
     virtual bool    CanGetTextExtent(void) const;
     virtual int     GetDepth(void) const;
     virtual bool    CanDrawBitmap(void) const;
     virtual bool    CanGetTextExtent(void) const;
     virtual int     GetDepth(void) const;


@@ -141,9 +137,6 @@ public:
     virtual void    SetUserScale( double dX
                                  ,double dY
                                 );
     virtual void    SetUserScale( double dX
                                  ,double dY
                                 );

-    virtual void    SetSystemScale( double dX
-                                   ,double dY
-                                  );

     virtual void    SetLogicalScale( double dX
                                     ,double dY
                                    );
     virtual void    SetLogicalScale( double dX
                                     ,double dY
                                    );


@@ -179,7 +172,6 @@ public:
     HPS             GetHPS(void) const { return m_hPS; }
     void            SetHPS(HPS hPS)
     {
     HPS             GetHPS(void) const { return m_hPS; }
     void            SetHPS(HPS hPS)
     {

-        HDC                         hDC = ::GpiQueryDevice(hPS);

         m_hPS = hPS;
     }
     const wxBitmap& GetSelectedBitmap(void) const { return m_vSelectedBitmap; }
         m_hPS = hPS;
     }
     const wxBitmap& GetSelectedBitmap(void) const { return m_vSelectedBitmap; }


@@ -202,6 +194,39 @@ public:
 #endif
 
 protected:
 #endif
 
 protected:

+    void Init()
+    {
+       m_pCanvas      = NULL;
+       m_hOldBitmap   = 0;
+       m_hOldPen      = 0;
+       m_hOldBrush    = 0;
+       m_hOldFont     = 0;
+#if wxUSE_PALETTE
+        m_hOldPalette  = 0;
+#endif // wxUSE_PALETTE
+
+       m_bOwnsDC      = false;
+       m_hDC          = 0;
+       m_hOldPS       = NULL;
+       m_hPS          = NULL;
+       m_bIsPaintTime = false; // True at Paint Time
+
+       m_pen.SetColour(*wxBLACK);
+       m_brush.SetColour(*wxWHITE);
+    }
+
+    // create an uninitialized DC: this should be only used by the derived
+    // classes
+    wxPMDCImpl( wxDC *owner ) : wxDCImpl( owner ) { Init(); }
+
+public:
+    virtual void    DoGetTextExtent( const wxString& rsString
+                                    ,wxCoord*        pX
+                                    ,wxCoord*        pY
+                                    ,wxCoord*        pDescent = NULL
+                                    ,wxCoord*        pExternalLeading = NULL
+                                    ,const wxFont*   pTheFont = NULL
+                                   ) const;

     virtual bool DoFloodFill( wxCoord         vX
                              ,wxCoord         vY
                              ,const wxColour& rCol
     virtual bool DoFloodFill( wxCoord         vX
                              ,wxCoord         vY
                              ,const wxColour& rCol


@@ -302,17 +327,6 @@ protected:
                                      ,wxCoord vWidth
                                      ,wxCoord vHeight
                                     );
                                      ,wxCoord vWidth
                                      ,wxCoord vHeight
                                     );

-    virtual void DoGetClippingRegion( wxCoord* pX
-                                     ,wxCoord* pY
-                                     ,wxCoord* pWidth
-                                     ,wxCoord* pHeight)
-    {
-        GetClippingBox( pX
-                       ,pY
-                       ,pWidth
-                       ,pHeight
-                      );
-    }

 
     virtual void DoGetSize( int* pWidth
                            ,int* pHeight
 
     virtual void DoGetSize( int* pWidth
                            ,int* pHeight


@@ -338,6 +352,7 @@ protected:
     void InitializePalette(void);
 #endif // wxUSE_PALETTE
 
     void InitializePalette(void);
 #endif // wxUSE_PALETTE
 

+protected:

     //
     // common part of DoDrawText() and DoDrawRotatedText()
     //
     //
     // common part of DoDrawText() and DoDrawRotatedText()
     //