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 36efb3682441c37938f1bcf6e1e6703c184daf2f..7fb539c7b6a411a2443d9d5fcaf6ca8f2142f8da 100644 (file)
--- a/include/wx/gtk/dcclient.h
+++ b/include/wx/gtk/dcclient.h
@@ -7,42 +7,32 @@
 // Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 
-#ifndef __GTKDCCLIENTH__
-#define __GTKDCCLIENTH__
+#ifndef _WX_GTKDCCLIENT_H_
+#define _WX_GTKDCCLIENT_H_
 
-#ifdef __GNUG__
-#pragma interface
-#endif
+#include "wx/gtk/dc.h"
+#include "wx/dcclient.h"
+#include "wx/region.h"
 
-#include "wx/dc.h"
-#include "wx/window.h"
+class WXDLLIMPEXP_FWD_CORE wxWindow;
 
 //-----------------------------------------------------------------------------
-// classes
+// wxWindowDCImpl
 //-----------------------------------------------------------------------------
 
-class wxWindowDC;
-class wxPaintDC;
-class wxClientDC;
-
-//-----------------------------------------------------------------------------
-// wxWindowDC
-//-----------------------------------------------------------------------------
-
-class wxWindowDC : public wxDC
+class WXDLLIMPEXP_CORE wxWindowDCImpl : public wxGTKDCImpl
 {
 public:
-    wxWindowDC();
-    wxWindowDC( wxWindow *win );
+    wxWindowDCImpl( wxDC *owner );
+    wxWindowDCImpl( wxDC *owner, wxWindow *win );
 
-    ~wxWindowDC();
+    virtual ~wxWindowDCImpl();
 
-    virtual bool CanDrawBitmap() const { return TRUE; }
-    virtual bool CanGetTextExtent() const { return TRUE; }
+    virtual bool CanDrawBitmap() const { return true; }
+    virtual bool CanGetTextExtent() const { return true; }
 
-protected:
     virtual void DoGetSize(int *width, int *height) const;
-    virtual void DoFloodFill( wxCoord x, wxCoord y, const wxColour& col, int style=wxFLOOD_SURFACE );
+    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 );
@@ -65,11 +55,11 @@ protected:
 
     virtual void DoDrawIcon( const wxIcon &icon, wxCoord x, wxCoord y );
     virtual void DoDrawBitmap( const wxBitmap &bitmap, wxCoord x, wxCoord y,
-                               bool useMask = FALSE );
+                               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 );
+                         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,
@@ -78,9 +68,11 @@ protected:
                                 wxCoord *width, wxCoord *height,
                                 wxCoord *descent = (wxCoord *) NULL,
                                 wxCoord *externalLeading = (wxCoord *) NULL,
-                                wxFont *theFont = (wxFont *) NULL) const;
+                                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 );
 
-public:
     virtual wxCoord GetCharWidth() const;
     virtual wxCoord GetCharHeight() const;
 
@@ -96,72 +88,74 @@ public:
     virtual void SetBackgroundMode( int mode );
     virtual void SetPalette( const wxPalette& palette );
 
-    virtual void DoSetClippingRegion( wxCoord x, wxCoord y, wxCoord width, wxCoord height );
     virtual void DestroyClippingRegion();
-    virtual void DoSetClippingRegionAsRegion( const wxRegion &region  );
 
     // 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_window;
+    GdkWindow    *m_gdkwindow;
     GdkGC        *m_penGC;
     GdkGC        *m_brushGC;
     GdkGC        *m_textGC;
     GdkGC        *m_bgGC;
     GdkColormap  *m_cmap;
-    bool          m_isMemDC;
     bool          m_isScreenDC;
-    wxWindow     *m_owner;
     wxRegion      m_currentClippingRegion;
     wxRegion      m_paintClippingRegion;
-#ifdef __WXGTK20__
+
+    // PangoContext stuff for GTK 2.0
     PangoContext *m_context;
+    PangoLayout *m_layout;
     PangoFontDescription *m_fontdesc;
-#endif
 
-    void SetUpDC();
+    void SetUpDC( bool ismem = false );
     void Destroy();
-    void ComputeScaleAndOrigin();
+    
+    virtual void ComputeScaleAndOrigin();
 
-    GdkWindow *GetWindow() { return m_window; }
+    virtual GdkWindow *GetGDKWindow() const { return m_gdkwindow; }
 
 private:
-    DECLARE_DYNAMIC_CLASS(wxWindowDC)
+    void DrawingSetup(GdkGC*& gc, bool& originChanged);
+
+    DECLARE_ABSTRACT_CLASS(wxWindowDCImpl)
 };
 
 //-----------------------------------------------------------------------------
-// wxClientDC
+// wxClientDCImpl
 //-----------------------------------------------------------------------------
 
-class wxClientDC : public wxWindowDC
+class WXDLLIMPEXP_CORE wxClientDCImpl : public wxWindowDCImpl
 {
 public:
-    wxClientDC() { }
-    wxClientDC( wxWindow *win );
+    wxClientDCImpl( wxDC *owner );
+    wxClientDCImpl( wxDC *owner, wxWindow *win );
 
-protected:
     virtual void DoGetSize(int *width, int *height) const;
 
-private:
-    DECLARE_DYNAMIC_CLASS(wxClientDC)
+    DECLARE_ABSTRACT_CLASS(wxClientDCImpl)
 };
 
 //-----------------------------------------------------------------------------
-// wxPaintDC
+// wxPaintDCImpl
 //-----------------------------------------------------------------------------
 
-class wxPaintDC : public wxClientDC
+class WXDLLIMPEXP_CORE wxPaintDCImpl : public wxClientDCImpl
 {
 public:
-    wxPaintDC() { }
-    wxPaintDC( wxWindow *win );
+    wxPaintDCImpl( wxDC *owner );
+    wxPaintDCImpl( wxDC *owner, wxWindow *win );
 
-private:
-    DECLARE_DYNAMIC_CLASS(wxPaintDC)
+    DECLARE_ABSTRACT_CLASS(wxPaintDCImpl)
 };
 
-#endif // __GTKDCCLIENTH__
+#endif // _WX_GTKDCCLIENT_H_