Hold a reference on m_widget for the life of the associated wxWindow object.

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

diff --git a/include/wx/gtk/dcclient.h b/include/wx/gtk/dcclient.h
index 2797a151cfdad0b16c5cd4a4360ebbb221bc4403..7fb539c7b6a411a2443d9d5fcaf6ca8f2142f8da 100644 (file)
--- a/include/wx/gtk/dcclient.h
+++ b/include/wx/gtk/dcclient.h
@@ -4,78 +4,80 @@
 // Author:      Robert Roebling
 // Id:          $Id$
 // Copyright:   (c) 1998 Robert Roebling
 // Author:      Robert Roebling
 // Id:          $Id$
 // Copyright:   (c) 1998 Robert Roebling

-// Licence:    wxWindows licence
+// Licence:     wxWindows licence

 /////////////////////////////////////////////////////////////////////////////
 
 /////////////////////////////////////////////////////////////////////////////
 

+#ifndef _WX_GTKDCCLIENT_H_
+#define _WX_GTKDCCLIENT_H_

 
 

-#ifndef __GTKDCCLIENTH__
-#define __GTKDCCLIENTH__
+#include "wx/gtk/dc.h"
+#include "wx/dcclient.h"
+#include "wx/region.h"

 
 

-#ifdef __GNUG__
-#pragma interface
-#endif
-
-#include "wx/dc.h"
-#include "wx/window.h"
+class WXDLLIMPEXP_FWD_CORE wxWindow;

 
 //-----------------------------------------------------------------------------
 
 //-----------------------------------------------------------------------------

-// classes
+// wxWindowDCImpl

 //-----------------------------------------------------------------------------
 
 //-----------------------------------------------------------------------------
 

-class wxPaintDC;
-typedef wxPaintDC wxClientDC;
-typedef wxPaintDC wxWindowDC;
+class WXDLLIMPEXP_CORE wxWindowDCImpl : public wxGTKDCImpl
+{
+public:
+    wxWindowDCImpl( wxDC *owner );
+    wxWindowDCImpl( wxDC *owner, wxWindow *win );

 
 

-//-----------------------------------------------------------------------------
-// wxPaintDC
-//-----------------------------------------------------------------------------
+    virtual ~wxWindowDCImpl();

 
 

-class wxPaintDC: public wxDC
-{
-  DECLARE_DYNAMIC_CLASS(wxPaintDC)
+    virtual bool CanDrawBitmap() const { return true; }
+    virtual bool CanGetTextExtent() const { return true; }

 
 

-  public:
+    virtual void DoGetSize(int *width, int *height) const;
+    virtual bool DoFloodFill( wxCoord x, wxCoord y, const wxColour& col, int style=wxFLOOD_SURFACE );
+    virtual bool DoGetPixel( wxCoord x1, wxCoord y1, wxColour *col ) const;
+
+    virtual void DoDrawLine( wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2 );
+    virtual void DoCrossHair( wxCoord x, wxCoord y );
+    virtual void DoDrawArc( wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2,
+                            wxCoord xc, wxCoord yc );
+    virtual void DoDrawEllipticArc( wxCoord x, wxCoord y, wxCoord width, wxCoord height,
+                                    double sa, double ea );
+    virtual void DoDrawPoint( wxCoord x, wxCoord y );
+
+    virtual void DoDrawLines(int n, wxPoint points[],
+                             wxCoord xoffset, wxCoord yoffset);
+    virtual void DoDrawPolygon(int n, wxPoint points[],
+                               wxCoord xoffset, wxCoord yoffset,
+                               int fillStyle = wxODDEVEN_RULE);
+
+    virtual void DoDrawRectangle( wxCoord x, wxCoord y, wxCoord width, wxCoord height );
+    virtual void DoDrawRoundedRectangle( wxCoord x, wxCoord y, wxCoord width, wxCoord height, double radius = 20.0 );
+    virtual void DoDrawEllipse( wxCoord x, wxCoord y, wxCoord width, wxCoord height );
+
+    virtual void DoDrawIcon( const wxIcon &icon, wxCoord x, wxCoord y );
+    virtual void DoDrawBitmap( const wxBitmap &bitmap, wxCoord x, wxCoord y,
+                               bool useMask = false );
+
+    virtual bool DoBlit( wxCoord xdest, wxCoord ydest, wxCoord width, wxCoord height,
+                         wxDC *source, wxCoord xsrc, wxCoord ysrc,
+                         int logical_func = wxCOPY, bool useMask = false, wxCoord xsrcMask = -1, wxCoord ysrcMask = -1 );
+
+    virtual void DoDrawText( const wxString &text, wxCoord x, wxCoord y );
+    virtual void DoDrawRotatedText(const wxString& text, wxCoord x, wxCoord y,
+                                   double angle);
+    virtual void DoGetTextExtent( const wxString &string,
+                                wxCoord *width, wxCoord *height,
+                                wxCoord *descent = (wxCoord *) NULL,
+                                wxCoord *externalLeading = (wxCoord *) NULL,
+                                const wxFont *theFont = (wxFont *) NULL) const;
+    virtual bool DoGetPartialTextExtents(const wxString& text, wxArrayInt& widths) const;
+    virtual void DoSetClippingRegion( wxCoord x, wxCoord y, wxCoord width, wxCoord height );
+    virtual void DoSetDeviceClippingRegion( const wxRegion &region );
+
+    virtual wxCoord GetCharWidth() const;
+    virtual wxCoord GetCharHeight() const;
+
+    virtual void Clear();

 
 

-    wxPaintDC(void);
-    wxPaintDC( wxWindow *win );
-    
-    ~wxPaintDC(void);
-    
-    virtual void FloodFill( long x1, long y1, wxColour *col, int style=wxFLOOD_SURFACE );
-    virtual bool GetPixel( long x1, long y1, wxColour *col ) const;
-
-    virtual void DrawLine( long x1, long y1, long x2, long y2 );
-    virtual void CrossHair( long x, long y );
-    virtual void DrawArc( long x1, long y1, long x2, long y2, double xc, double yc );
-    virtual void DrawEllipticArc( long x, long y, long width, long height, double sa, double ea );
-    virtual void DrawPoint( long x, long y );
-    
-    virtual void DrawLines( int n, wxPoint points[], long xoffset = 0, long yoffset = 0 );
-    virtual void DrawLines( wxList *points, long xoffset = 0, long yoffset = 0 );
-    virtual void DrawPolygon( int n, wxPoint points[], long xoffset = 0, long yoffset = 0, 
-                              int fillStyle=wxODDEVEN_RULE );
-    virtual void DrawPolygon( wxList *lines, long xoffset = 0, long yoffset = 0, 
-                              int fillStyle=wxODDEVEN_RULE );
-    
-    virtual void DrawRectangle( long x, long y, long width, long height );
-    virtual void DrawRoundedRectangle( long x, long y, long width, long height, double radius = 20.0 );
-    virtual void DrawEllipse( long x, long y, long width, long height );
-    
-    virtual bool CanDrawBitmap(void) const;
-    virtual void DrawIcon( const wxIcon &icon, long x, long y, bool useMask=FALSE );
-    virtual bool Blit( long xdest, long ydest, long width, long height,
-       wxDC *source, long xsrc, long ysrc, int logical_func = wxCOPY, bool useMask=FALSE );
-
-    virtual void DrawText( const wxString &text, long x, long y, bool use16 = FALSE );
-    virtual bool CanGetTextExtent(void) const;
-    virtual void GetTextExtent( const wxString &string, long *width, long *height,
-                     long *descent = (long *) NULL, long *externalLeading = (long *) NULL,
-                     wxFont *theFont = (wxFont *) NULL, bool use16 = FALSE );
-    virtual long GetCharWidth(void);
-    virtual long GetCharHeight(void);
-    
-    virtual void Clear(void);
-            

     virtual void SetFont( const wxFont &font );
     virtual void SetPen( const wxPen &pen );
     virtual void SetBrush( const wxBrush &brush );
     virtual void SetFont( const wxFont &font );
     virtual void SetPen( const wxPen &pen );
     virtual void SetBrush( const wxBrush &brush );


@@ -85,25 +87,75 @@ class wxPaintDC: public wxDC
     virtual void SetTextBackground( const wxColour &col );
     virtual void SetBackgroundMode( int mode );
     virtual void SetPalette( const wxPalette& palette );
     virtual void SetTextBackground( const wxColour &col );
     virtual void SetBackgroundMode( int mode );
     virtual void SetPalette( const wxPalette& palette );

-    
-    virtual void SetClippingRegion( long x, long y, long width, long height );
-    virtual void DestroyClippingRegion(void);
-    
-    virtual void DrawSpline( wxList *points );
-    
-  public: // shouldn't be public
-    
-    GdkWindow    *m_window;
+
+    virtual void DestroyClippingRegion();
+
+    // Resolution in pixels per logical inch
+    virtual wxSize GetPPI() const;
+    virtual int GetDepth() const;
+
+    // overrriden here for RTL
+    virtual void SetDeviceOrigin( wxCoord x, wxCoord y );
+    virtual void SetAxisOrientation( bool xLeftRight, bool yBottomUp );
+
+// protected:
+    // implementation
+    // --------------
+
+    GdkWindow    *m_gdkwindow;

     GdkGC        *m_penGC;
     GdkGC        *m_brushGC;
     GdkGC        *m_textGC;
     GdkGC        *m_bgGC;
     GdkColormap  *m_cmap;
     GdkGC        *m_penGC;
     GdkGC        *m_brushGC;
     GdkGC        *m_textGC;
     GdkGC        *m_bgGC;
     GdkColormap  *m_cmap;

-    bool          m_isMemDC;
+    bool          m_isScreenDC;
+    wxRegion      m_currentClippingRegion;
+    wxRegion      m_paintClippingRegion;
+
+    // PangoContext stuff for GTK 2.0
+    PangoContext *m_context;
+    PangoLayout *m_layout;
+    PangoFontDescription *m_fontdesc;
+
+    void SetUpDC( bool ismem = false );
+    void Destroy();

     
     

-    void SetUpDC(void);
-    void Destroy(void);
-    GdkWindow *GetWindow(void);
+    virtual void ComputeScaleAndOrigin();
+
+    virtual GdkWindow *GetGDKWindow() const { return m_gdkwindow; }
+
+private:
+    void DrawingSetup(GdkGC*& gc, bool& originChanged);
+
+    DECLARE_ABSTRACT_CLASS(wxWindowDCImpl)
+};
+
+//-----------------------------------------------------------------------------
+// wxClientDCImpl
+//-----------------------------------------------------------------------------
+
+class WXDLLIMPEXP_CORE wxClientDCImpl : public wxWindowDCImpl
+{
+public:
+    wxClientDCImpl( wxDC *owner );
+    wxClientDCImpl( wxDC *owner, wxWindow *win );
+
+    virtual void DoGetSize(int *width, int *height) const;
+
+    DECLARE_ABSTRACT_CLASS(wxClientDCImpl)
+};
+
+//-----------------------------------------------------------------------------
+// wxPaintDCImpl
+//-----------------------------------------------------------------------------
+
+class WXDLLIMPEXP_CORE wxPaintDCImpl : public wxClientDCImpl
+{
+public:
+    wxPaintDCImpl( wxDC *owner );
+    wxPaintDCImpl( wxDC *owner, wxWindow *win );
+
+    DECLARE_ABSTRACT_CLASS(wxPaintDCImpl)

 };
 
 };
 

-#endif // __GTKDCCLIENTH__
+#endif // _WX_GTKDCCLIENT_H_