added wxNotificationMessage::AlwaysUseGeneric() MSW-specific method

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

diff --git a/include/wx/msw/dc.h b/include/wx/msw/dc.h
index 49927b84b390a71d04f631111c920af2d25ffc25..9933e88db075b7604cf1b44c3e797ea9bf6df653 100644 (file)
--- a/include/wx/msw/dc.h
+++ b/include/wx/msw/dc.h
@@ -13,6 +13,7 @@
 #define _WX_MSW_DC_H_
 
 #include "wx/defs.h"
+#include "wx/dc.h"
 
 // ---------------------------------------------------------------------------
 // macros
@@ -30,7 +31,7 @@ class wxDCCacheEntry: public wxObject
 public:
     wxDCCacheEntry(WXHBITMAP hBitmap, int w, int h, int depth);
     wxDCCacheEntry(WXHDC hDC, int depth);
-    ~wxDCCacheEntry();
+    virtual ~wxDCCacheEntry();
 
     WXHBITMAP   m_bitmap;
     WXHDC       m_dc;
@@ -42,11 +43,11 @@ public:
 
 // this is an ABC: use one of the derived classes to create a DC associated
 // with a window, screen, printer and so on
-class WXDLLEXPORT wxDC : public wxDCBase
+class WXDLLEXPORT wxMSWDCImpl: public wxDCImpl
 {
 public:
-    wxDC(WXHDC hDC) { Init(); m_hDC = hDC; }
-    ~wxDC();
+    wxMSWDCImpl(wxDC *owner, WXHDC hDC);
+    virtual ~wxMSWDCImpl();
 
     // implement base class pure virtuals
     // ----------------------------------
@@ -78,13 +79,14 @@ public:
     virtual int GetDepth() const;
     virtual wxSize GetPPI() const;
 
+
     virtual void SetMapMode(int mode);
     virtual void SetUserScale(double x, double y);
-    virtual void SetSystemScale(double x, double y);
     virtual void SetLogicalScale(double x, double y);
     virtual void SetLogicalOrigin(wxCoord x, wxCoord y);
     virtual void SetDeviceOrigin(wxCoord x, wxCoord y);
     virtual void SetAxisOrientation(bool xLeftRight, bool yBottomUp);
+
     virtual void SetLogicalFunction(int function);
 
     // implementation from now on
@@ -93,10 +95,9 @@ public:
     virtual void SetRop(WXHDC cdc);
     virtual void SelectOldObjects(WXHDC dc);
 
-    wxWindow *GetWindow() const { return m_canvas; }
     void SetWindow(wxWindow *win)
     {
-        m_canvas = win;
+        m_window = win;
 
 #if wxUSE_PALETTE
         // if we have palettes use the correct one for this window
@@ -133,10 +134,17 @@ public:
     static void ClearCache();
 #endif
 
+    // RTL related functions
+    // ---------------------
+
+    // get or change the layout direction (LTR or RTL) for this dc,
+    // wxLayout_Default is returned if layout direction is not supported
+    virtual wxLayoutDirection GetLayoutDirection() const;
+    virtual void SetLayoutDirection(wxLayoutDirection dir);
+
 protected:
     void Init()
     {
-        m_canvas = NULL;
         m_bOwnsDC = false;
         m_hDC = NULL;
 
@@ -152,13 +160,15 @@ protected:
 
     // create an uninitialized DC: this should be only used by the derived
     // classes
-    wxDC() { Init(); }
+    wxMSWDCImpl( wxDC *owner ) : wxDCImpl( owner ) { Init(); }
+
+    void RealizeScaleAndOrigin();
 
     virtual void DoGetTextExtent(const wxString& string,
                                  wxCoord *x, wxCoord *y,
                                  wxCoord *descent = NULL,
                                  wxCoord *externalLeading = NULL,
-                                 wxFont *theFont = NULL) const;
+                                 const wxFont *theFont = NULL) const;
     virtual bool DoGetPartialTextExtents(const wxString& text, wxArrayInt& widths) const;
 
     virtual bool DoFloodFill(wxCoord x, wxCoord y, const wxColour& col,
@@ -189,7 +199,7 @@ protected:
     virtual void DoDrawEllipse(wxCoord x, wxCoord y, wxCoord width, wxCoord height);
 
 #if wxUSE_SPLINES
-    virtual void DoDrawSpline(wxList *points);
+    virtual void DoDrawSpline(const wxPointList *points);
 #endif
 
     virtual void DoCrossHair(wxCoord x, wxCoord y);
@@ -206,6 +216,14 @@ protected:
                         wxDC *source, wxCoord xsrc, wxCoord ysrc,
                         int rop = wxCOPY, bool useMask = false, wxCoord xsrcMask = wxDefaultCoord, wxCoord ysrcMask = wxDefaultCoord);
 
+    virtual bool DoStretchBlit(wxCoord xdest, wxCoord ydest,
+                               wxCoord dstWidth, wxCoord dstHeight,
+                               wxDC *source,
+                               wxCoord xsrc, wxCoord ysrc,
+                               wxCoord srcWidth, wxCoord srcHeight,
+                               int rop = wxCOPY, bool useMask = false,
+                               wxCoord xsrcMask = wxDefaultCoord, wxCoord ysrcMask = wxDefaultCoord);
+
     // this is gnarly - we can't even call this function DoSetClippingRegion()
     // because of virtual function hiding
     virtual void DoSetClippingRegionAsRegion(const wxRegion& region);
@@ -224,6 +242,11 @@ protected:
     virtual void DoDrawPolyPolygon(int n, int count[], wxPoint points[],
                                    wxCoord xoffset, wxCoord yoffset,
                                    int fillStyle = wxODDEVEN_RULE);
+    virtual wxBitmap DoGetAsBitmap(const wxRect *subrect) const
+    {
+        return subrect == NULL ? GetSelectedBitmap()
+                               : GetSelectedBitmap().GetSubBitmap(*subrect);
+    }
 
 
 #if wxUSE_PALETTE
@@ -281,12 +304,12 @@ protected:
 #endif // wxUSE_PALETTE
 
 #if wxUSE_DC_CACHEING
-    static wxList     sm_bitmapCache;
-    static wxList     sm_dcCache;
+    static wxObjectList     sm_bitmapCache;
+    static wxObjectList     sm_dcCache;
 #endif
 
-    DECLARE_DYNAMIC_CLASS(wxDC)
-    DECLARE_NO_COPY_CLASS(wxDC)
+    DECLARE_CLASS(wxMSWDCImpl)
+    DECLARE_NO_COPY_CLASS(wxMSWDCImpl)
 };
 
 // ----------------------------------------------------------------------------
@@ -294,14 +317,18 @@ protected:
 // only/mainly)
 // ----------------------------------------------------------------------------
 
-class WXDLLEXPORT wxDCTemp : public wxDC
+class WXDLLEXPORT wxDCTempImpl : public wxMSWDCImpl
 {
 public:
-    wxDCTemp(WXHDC hdc) : wxDC(hdc)
+    // construct a temporary DC with the specified HDC and size (it should be
+    // specified whenever we know it for this HDC)
+    wxDCTempImpl(wxDC *owner, WXHDC hdc, const wxSize& size )
+        : wxMSWDCImpl( owner, hdc ),
+          m_size(size)
     {
     }
 
-    virtual ~wxDCTemp()
+    virtual ~wxDCTempImpl()
     {
         // prevent base class dtor from freeing it
         SetHDC((WXHDC)NULL);
@@ -310,16 +337,30 @@ public:
 protected:
     virtual void DoGetSize(int *w, int *h) const
     {
-        wxFAIL_MSG( _T("no way to retrieve the size of generic DC") );
+        wxASSERT_MSG( m_size.IsFullySpecified(),
+                      _T("size of this DC hadn't been set and is unknown") );
 
         if ( w )
-            *w = 0;
+            *w = m_size.x;
         if ( h )
-            *h = 0;
+            *h = m_size.y;
     }
 
 private:
-    DECLARE_NO_COPY_CLASS(wxDCTemp)
+    // size of this DC must be explicitly set by SetSize() as we have no way to
+    // find it ourselves
+    const wxSize m_size;
+
+    DECLARE_NO_COPY_CLASS(wxDCTempImpl)
+};
+
+class WXDLLEXPORT wxDCTemp : public wxDC
+{
+public:
+    wxDCTemp(WXHDC hdc, const wxSize& size = wxDefaultSize)
+        : wxDC(new wxDCTempImpl(this, hdc, size))
+    {
+    }
 };
 
 #endif // _WX_MSW_DC_H_