Drag'n'Drop works in a basic form

[wxWidgets.git] / include / wx / gtk1 / dc.h

diff --git a/include/wx/gtk1/dc.h b/include/wx/gtk1/dc.h
index e1ca5b0b91d6966b73c8b3ecf725616967a3ef07..581fc1648219fe2b334a97b121f16b910611f506 100644 (file)
--- a/include/wx/gtk1/dc.h
+++ b/include/wx/gtk1/dc.h
@@ -4,7 +4,7 @@
 // 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

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


@@ -34,14 +34,14 @@ class wxDC;
 // constants
 //-----------------------------------------------------------------------------
 
 // constants
 //-----------------------------------------------------------------------------
 

-#define MM_TEXT                        0
-#define MM_ISOTROPIC           1
-#define MM_ANISOTROPIC         2
-#define MM_LOMETRIC            3
-#define MM_HIMETRIC            4
-#define MM_TWIPS               5
-#define MM_POINTS              6
-#define MM_METRIC              7
+#define MM_TEXT      0
+#define MM_ISOTROPIC    1
+#define MM_ANISOTROPIC    2
+#define MM_LOMETRIC    3
+#define MM_HIMETRIC    4
+#define MM_TWIPS    5
+#define MM_POINTS    6
+#define MM_METRIC    7

 
 //-----------------------------------------------------------------------------
 // global variables
 
 //-----------------------------------------------------------------------------
 // global variables


@@ -61,10 +61,10 @@ public:
 
   wxDC();
   ~wxDC();
 
   wxDC();
   ~wxDC();

-    
+

   virtual void BeginDrawing() {}
   virtual void EndDrawing() {}
   virtual void BeginDrawing() {}
   virtual void EndDrawing() {}

-    
+

   virtual bool Ok() const;
 
   virtual void FloodFill( long x, long y, const wxColour& col, int style=wxFLOOD_SURFACE ) = 0;
   virtual bool Ok() const;
 
   virtual void FloodFill( long x, long y, const wxColour& col, int style=wxFLOOD_SURFACE ) = 0;


@@ -104,14 +104,14 @@ public:
       DrawPoint(pt.x, pt.y);
   }
   virtual void DrawPoint( wxPoint& point );
       DrawPoint(pt.x, pt.y);
   }
   virtual void DrawPoint( wxPoint& point );

-    
+

   virtual void DrawLines( int n, wxPoint points[], long xoffset = 0, long yoffset = 0 ) = 0;
   virtual void DrawLines( wxList *points, long xoffset = 0, long yoffset = 0 );
   virtual void DrawLines( int n, wxPoint points[], long xoffset = 0, long yoffset = 0 ) = 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, 
+  virtual void DrawPolygon( int n, wxPoint points[], long xoffset = 0, long yoffset = 0,

                               int fillStyle=wxODDEVEN_RULE ) = 0;
                               int fillStyle=wxODDEVEN_RULE ) = 0;

-  virtual void DrawPolygon( wxList *lines, long xoffset = 0, long yoffset = 0, 
+  virtual void DrawPolygon( wxList *lines, long xoffset = 0, long yoffset = 0,

                               int fillStyle=wxODDEVEN_RULE );
                               int fillStyle=wxODDEVEN_RULE );

-    
+

   virtual void DrawRectangle( long x, long y, long width, long height ) = 0;
   inline void DrawRectangle(const wxPoint& pt, const wxSize& sz)
   {
   virtual void DrawRectangle( long x, long y, long width, long height ) = 0;
   inline void DrawRectangle(const wxPoint& pt, const wxSize& sz)
   {


@@ -139,11 +139,11 @@ public:
   {
       DrawEllipse(rect.x, rect.y, rect.width, rect.height);
   }
   {
       DrawEllipse(rect.x, rect.y, rect.width, rect.height);
   }

-    
+

   virtual void DrawSpline( long x1, long y1, long x2, long y2, long x3, long y3 );
   virtual void DrawSpline( wxList *points ) = 0;
   virtual void DrawSpline( int n, wxPoint points[] );
   virtual void DrawSpline( long x1, long y1, long x2, long y2, long x3, long y3 );
   virtual void DrawSpline( wxList *points ) = 0;
   virtual void DrawSpline( int n, wxPoint points[] );

-    
+

   virtual bool CanDrawBitmap(void) const = 0;
   virtual void DrawIcon( const wxIcon &icon, long x, long y ) = 0;
   inline void DrawIcon( const wxIcon& icon, const wxPoint& pt )
   virtual bool CanDrawBitmap(void) const = 0;
   virtual void DrawIcon( const wxIcon &icon, long x, long y ) = 0;
   inline void DrawIcon( const wxIcon& icon, const wxPoint& pt )


@@ -155,18 +155,18 @@ public:
   {
       DrawBitmap(bitmap, pt.x, pt.y, useMask );
   }
   {
       DrawBitmap(bitmap, pt.x, pt.y, useMask );
   }

-  virtual bool Blit( long xdest, long ydest, 
+  virtual bool Blit( long xdest, long ydest,

                      long width, long height,
                      long width, long height,

-                     wxDC *source, 
-                    long xsrc, long ysrc, 
-                    int logical_func=wxCOPY, 
-                    bool useMask=FALSE ) = 0;
-  inline bool Blit( const wxPoint& destPt, 
+                     wxDC *source,
+         long xsrc, long ysrc,
+         int logical_func=wxCOPY,
+         bool useMask=FALSE ) = 0;
+  inline bool Blit( const wxPoint& destPt,

                     const wxSize& sz,
                     const wxSize& sz,

-                    wxDC *source, 
-                   const wxPoint& srcPt, 
-                   int rop = wxCOPY, 
-                   bool useMask=FALSE)
+                    wxDC *source,
+        const wxPoint& srcPt,
+        int rop = wxCOPY,
+        bool useMask=FALSE)

   {
     return Blit(destPt.x, destPt.y, sz.x, sz.y, source, srcPt.x, srcPt.y, rop, useMask);
   }
   {
     return Blit(destPt.x, destPt.y, sz.x, sz.y, source, srcPt.x, srcPt.y, rop, useMask);
   }


@@ -177,81 +177,88 @@ public:
       DrawText(text, pt.x, pt.y, use16bit);
   }
   virtual bool CanGetTextExtent(void) const = 0;
       DrawText(text, pt.x, pt.y, use16bit);
   }
   virtual bool CanGetTextExtent(void) const = 0;

-  virtual void GetTextExtent( const wxString &string, 
+  virtual void GetTextExtent( const wxString &string,

                               long *width, long *height,
                               long *width, long *height,

-                              long *descent = (long *) NULL, 
-                             long *externalLeading = (long *) NULL,
-                              wxFont *theFont = (wxFont *) NULL, 
-                             bool use16 = FALSE ) = 0;
+                              long *descent = (long *) NULL,
+            long *externalLeading = (long *) NULL,
+                              wxFont *theFont = (wxFont *) NULL,
+            bool use16 = FALSE ) = 0;

   virtual long GetCharWidth(void) = 0;
   virtual long GetCharHeight(void) = 0;
   virtual long GetCharWidth(void) = 0;
   virtual long GetCharHeight(void) = 0;

-    
+

   virtual void Clear() = 0;
   virtual void Clear() = 0;

-            
+

   virtual void SetFont( const wxFont &font ) = 0;
   virtual void SetFont( const wxFont &font ) = 0;

-  virtual wxFont *GetFont() { return &m_font; };
-    
+  virtual wxFont& GetFont() const { return (wxFont&)m_font; };
+

   virtual void SetPen( const wxPen &pen ) = 0;
   virtual void SetPen( const wxPen &pen ) = 0;

-  virtual wxPen *GetPen() { return &m_pen; };
-    
+  virtual wxPen& GetPen() const { return (wxPen&)m_pen; };
+

   virtual void SetBrush( const wxBrush &brush ) = 0;
   virtual void SetBrush( const wxBrush &brush ) = 0;

-  virtual wxBrush *GetBrush() { return &m_brush; };
+  virtual wxBrush& GetBrush() const { return (wxBrush&)m_brush; };

 
   virtual void SetBackground( const wxBrush &brush ) = 0;
 
   virtual void SetBackground( const wxBrush &brush ) = 0;

-  virtual wxBrush *GetBackground() { return &m_backgroundBrush; };
+  virtual wxBrush& GetBackground() const { return (wxBrush&)m_backgroundBrush; };

 
   virtual void SetLogicalFunction( int function ) = 0;
   virtual int GetLogicalFunction() { return m_logicalFunction; };
 
   virtual void SetLogicalFunction( int function ) = 0;
   virtual int GetLogicalFunction() { return m_logicalFunction; };

-    
+

   virtual void SetTextForeground( const wxColour &col );
   virtual void SetTextBackground( const wxColour &col );
   virtual wxColour& GetTextBackground() const { return (wxColour&)m_textBackgroundColour; };
   virtual wxColour& GetTextForeground() const { return (wxColour&)m_textForegroundColour; };
   virtual void SetTextForeground( const wxColour &col );
   virtual void SetTextBackground( const wxColour &col );
   virtual wxColour& GetTextBackground() const { return (wxColour&)m_textBackgroundColour; };
   virtual wxColour& GetTextForeground() const { return (wxColour&)m_textForegroundColour; };

-    
+

   virtual void SetBackgroundMode( int mode ) = 0;
   virtual int GetBackgroundMode() { return m_backgroundMode; };
   virtual void SetBackgroundMode( int mode ) = 0;
   virtual int GetBackgroundMode() { return m_backgroundMode; };

-    
+

   virtual void SetPalette( const wxPalette& palette ) = 0;
   void SetColourMap( const wxPalette& palette ) { SetPalette(palette); };
   virtual void SetPalette( const wxPalette& palette ) = 0;
   void SetColourMap( const wxPalette& palette ) { SetPalette(palette); };

-    
+

     // the first two must be overridden and called
   virtual void DestroyClippingRegion(void);
   virtual void SetClippingRegion( long x, long y, long width, long height );
   virtual void GetClippingBox( long *x, long *y, long *width, long *height ) const;
   virtual void SetClippingRegion( const wxRegion &region  ) = 0;
     // the first two must be overridden and called
   virtual void DestroyClippingRegion(void);
   virtual void SetClippingRegion( long x, long y, long width, long height );
   virtual void GetClippingBox( long *x, long *y, long *width, long *height ) const;
   virtual void SetClippingRegion( const wxRegion &region  ) = 0;

-    
+

   virtual long MinX() const { return m_minX; }
   virtual long MaxX() const { return m_maxX; }
   virtual long MinY() const { return m_minY; }
   virtual long MaxY() const { return m_maxY; }
 
   virtual long MinX() const { return m_minX; }
   virtual long MaxX() const { return m_maxX; }
   virtual long MinY() const { return m_minY; }
   virtual long MaxY() const { return m_maxY; }
 

+  // Size in device units

   virtual void GetSize( int* width, int* height ) const;
   inline wxSize GetSize(void) const { int w, h; GetSize(&w, &h); return wxSize(w, h); }
   virtual void GetSize( int* width, int* height ) const;
   inline wxSize GetSize(void) const { int w, h; GetSize(&w, &h); return wxSize(w, h); }

-  virtual void GetSizeMM( long* width, long* height ) const;
-    
+
+  // Size in millimetres
+  virtual void GetSizeMM( int* width, int* height ) const;
+  inline wxSize GetSizeMM(void) const { int w, h; GetSizeMM(&w, &h); return wxSize(w, h); }
+
+  // Resolution in pixels per logical inch
+  virtual wxSize GetPPI(void) const;
+

   virtual bool StartDoc( const wxString& WXUNUSED(message) ) { return TRUE; }
   virtual void EndDoc() {}
   virtual void StartPage() {}
   virtual void EndPage() {}
   virtual bool StartDoc( const wxString& WXUNUSED(message) ) { return TRUE; }
   virtual void EndDoc() {}
   virtual void StartPage() {}
   virtual void EndPage() {}

-    
+

   virtual void SetMapMode( int mode );
   virtual int GetMapMode(void) const { return m_mappingMode; };
   virtual void SetMapMode( int mode );
   virtual int GetMapMode(void) const { return m_mappingMode; };

-    
+

   virtual void SetUserScale( double x, double y );
   virtual void GetUserScale( double *x, double *y );
   virtual void SetLogicalScale( double x, double y );
   virtual void GetLogicalScale( double *x, double *y );
   virtual void SetUserScale( double x, double y );
   virtual void GetUserScale( double *x, double *y );
   virtual void SetLogicalScale( double x, double y );
   virtual void GetLogicalScale( double *x, double *y );

-    
+

   virtual void SetLogicalOrigin( long x, long y );
   virtual void GetLogicalOrigin( long *x, long *y );
   virtual void SetDeviceOrigin( long x, long y );
   virtual void GetDeviceOrigin( long *x, long *y );
 
   virtual void SetAxisOrientation( bool xLeftRight, bool yBottomUp );
   virtual void SetLogicalOrigin( long x, long y );
   virtual void GetLogicalOrigin( long *x, long *y );
   virtual void SetDeviceOrigin( long x, long y );
   virtual void GetDeviceOrigin( long *x, long *y );
 
   virtual void SetAxisOrientation( bool xLeftRight, bool yBottomUp );

-    
+

   virtual void SetOptimization( bool WXUNUSED(optimize) ) {}
   virtual bool GetOptimization() { return m_optimize; }
   virtual void SetOptimization( bool WXUNUSED(optimize) ) {}
   virtual bool GetOptimization() { return m_optimize; }

-    
+

   virtual long DeviceToLogicalX(long x) const;
   virtual long DeviceToLogicalY(long y) const;
   virtual long DeviceToLogicalXRel(long x) const;
   virtual long DeviceToLogicalX(long x) const;
   virtual long DeviceToLogicalY(long y) const;
   virtual long DeviceToLogicalXRel(long x) const;


@@ -262,114 +269,113 @@ public:
   virtual long LogicalToDeviceYRel(long y) const;
 
   // implementation
   virtual long LogicalToDeviceYRel(long y) const;
 
   // implementation

-  
+

     void CalcBoundingBox( long x, long y );
     void ComputeScaleAndOrigin();
     void CalcBoundingBox( long x, long y );
     void ComputeScaleAndOrigin();

-    
+

     long XDEV2LOG(long x) const
     long XDEV2LOG(long x) const

-       {
-         long new_x = x - m_deviceOriginX;
-         if (new_x > 0) 
-           return (long)((double)(new_x) / m_scaleX + 0.5) * m_signX + m_logicalOriginX;
-         else
-           return (long)((double)(new_x) / m_scaleX - 0.5) * m_signX + m_logicalOriginX;
-       }
+  {
+    long new_x = x - m_deviceOriginX;
+    if (new_x > 0)
+      return (long)((double)(new_x) / m_scaleX + 0.5) * m_signX + m_logicalOriginX;
+    else
+      return (long)((double)(new_x) / m_scaleX - 0.5) * m_signX + m_logicalOriginX;
+  }

     long XDEV2LOGREL(long x) const
     long XDEV2LOGREL(long x) const

-       { 
-         if (x > 0) 
-           return (long)((double)(x) / m_scaleX + 0.5);
-         else
-           return (long)((double)(x) / m_scaleX - 0.5);
-       }
+  {
+    if (x > 0)
+      return (long)((double)(x) / m_scaleX + 0.5);
+    else
+      return (long)((double)(x) / m_scaleX - 0.5);
+  }

     long YDEV2LOG(long y) const
     long YDEV2LOG(long y) const

-       {
-         long new_y = y - m_deviceOriginY;
-         if (new_y > 0)
-           return (long)((double)(new_y) / m_scaleY + 0.5) * m_signY + m_logicalOriginY;
-         else
-           return (long)((double)(new_y) / m_scaleY - 0.5) * m_signY + m_logicalOriginY;
-       }
+  {
+    long new_y = y - m_deviceOriginY;
+    if (new_y > 0)
+      return (long)((double)(new_y) / m_scaleY + 0.5) * m_signY + m_logicalOriginY;
+    else
+      return (long)((double)(new_y) / m_scaleY - 0.5) * m_signY + m_logicalOriginY;
+  }

     long YDEV2LOGREL(long y) const
     long YDEV2LOGREL(long y) const

-       { 
-         if (y > 0)
-           return (long)((double)(y) / m_scaleY + 0.5);
-         else
-           return (long)((double)(y) / m_scaleY - 0.5);
-       }
+  {
+    if (y > 0)
+      return (long)((double)(y) / m_scaleY + 0.5);
+    else
+      return (long)((double)(y) / m_scaleY - 0.5);
+  }

     long XLOG2DEV(long x) const
     long XLOG2DEV(long x) const

-       { 
-         long new_x = x - m_logicalOriginX;
-         if (new_x > 0)
-           return (long)((double)(new_x) * m_scaleX + 0.5) * m_signX + m_deviceOriginX;
-         else
-           return (long)((double)(new_x) * m_scaleX - 0.5) * m_signX + m_deviceOriginX;
-       }
+  {
+    long new_x = x - m_logicalOriginX;
+    if (new_x > 0)
+      return (long)((double)(new_x) * m_scaleX + 0.5) * m_signX + m_deviceOriginX;
+    else
+      return (long)((double)(new_x) * m_scaleX - 0.5) * m_signX + m_deviceOriginX;
+  }

     long XLOG2DEVREL(long x) const
     long XLOG2DEVREL(long x) const

-       { 
-         if (x > 0)
-           return (long)((double)(x) * m_scaleX + 0.5);
-         else
-           return (long)((double)(x) * m_scaleX - 0.5);
-       }
+  {
+    if (x > 0)
+      return (long)((double)(x) * m_scaleX + 0.5);
+    else
+      return (long)((double)(x) * m_scaleX - 0.5);
+  }

     long YLOG2DEV(long y) const
     long YLOG2DEV(long y) const

-       {
-         long new_y = y - m_logicalOriginY;
-         if (new_y > 0)
-           return (long)((double)(new_y) * m_scaleY + 0.5) * m_signY + m_deviceOriginY;
-         else
-           return (long)((double)(new_y) * m_scaleY - 0.5) * m_signY + m_deviceOriginY;
-       }
+  {
+    long new_y = y - m_logicalOriginY;
+    if (new_y > 0)
+      return (long)((double)(new_y) * m_scaleY + 0.5) * m_signY + m_deviceOriginY;
+    else
+      return (long)((double)(new_y) * m_scaleY - 0.5) * m_signY + m_deviceOriginY;
+  }

     long YLOG2DEVREL(long y) const
     long YLOG2DEVREL(long y) const

-       { 
-         if (y > 0)
-           return (long)((double)(y) * m_scaleY + 0.5);
-         else
-           return (long)((double)(y) * m_scaleY - 0.5);
-       }
-  
-       
+  {
+    if (y > 0)
+      return (long)((double)(y) * m_scaleY + 0.5);
+    else
+      return (long)((double)(y) * m_scaleY - 0.5);
+  }
+
+

   public:
   public:

-    
+

     bool         m_ok;
     bool         m_colour;
     bool         m_ok;
     bool         m_colour;

-    
+

     // not sure, what these mean
     bool         m_clipping;      // Is clipping on right now ?
     bool         m_isInteractive; // Is GetPixel possible ?
     bool         m_autoSetting;   // wxMSW only ?
     bool         m_dontDelete;    // wxMSW only ?
     bool         m_optimize;      // wxMSW only ?
     // not sure, what these mean
     bool         m_clipping;      // Is clipping on right now ?
     bool         m_isInteractive; // Is GetPixel possible ?
     bool         m_autoSetting;   // wxMSW only ?
     bool         m_dontDelete;    // wxMSW only ?
     bool         m_optimize;      // wxMSW only ?

-    wxString     m_filename;      // Not sure where this belongs.
-    
+

     wxPen        m_pen;
     wxBrush      m_brush;
     wxBrush      m_backgroundBrush;
     wxColour     m_textForegroundColour;
     wxColour     m_textBackgroundColour;
     wxFont       m_font;
     wxPen        m_pen;
     wxBrush      m_brush;
     wxBrush      m_backgroundBrush;
     wxColour     m_textForegroundColour;
     wxColour     m_textBackgroundColour;
     wxFont       m_font;

-    
+

     int          m_logicalFunction;
     int          m_backgroundMode;
     int          m_textAlignment;    // gone in wxWin 2.0 ?
     int          m_logicalFunction;
     int          m_backgroundMode;
     int          m_textAlignment;    // gone in wxWin 2.0 ?

-    
+

     int          m_mappingMode;
     int          m_mappingMode;

-    
+

     // not sure what for, but what is a mm on a screen you don't know the size of?
     // not sure what for, but what is a mm on a screen you don't know the size of?

-    double       m_mm_to_pix_x,m_mm_to_pix_y; 
-    
-    long         m_deviceOriginX,m_deviceOriginY; 
-    
+    double       m_mm_to_pix_x,m_mm_to_pix_y;
+
+    long         m_deviceOriginX,m_deviceOriginY;
+

     long         m_logicalOriginX,m_logicalOriginY;                 // User defined.
 
     double       m_scaleX,m_scaleY;
     double       m_logicalScaleX,m_logicalScaleY;
     double       m_userScaleX,m_userScaleY;
     long         m_signX,m_signY;
     long         m_logicalOriginX,m_logicalOriginY;                 // User defined.
 
     double       m_scaleX,m_scaleY;
     double       m_logicalScaleX,m_logicalScaleY;
     double       m_userScaleX,m_userScaleY;
     long         m_signX,m_signY;

-    
+

     bool         m_needComputeScaleX,m_needComputeScaleY;         // not yet used
     bool         m_needComputeScaleX,m_needComputeScaleY;         // not yet used

-    
+

     float        m_scaleFactor;  // wxPSDC wants to have this. Will disappear.
     float        m_scaleFactor;  // wxPSDC wants to have this. Will disappear.

-    
+

     long         m_clipX1,m_clipY1,m_clipX2,m_clipY2;
     long         m_minX,m_maxX,m_minY,m_maxY;
 };
     long         m_clipX1,m_clipY1,m_clipX2,m_clipY2;
     long         m_minX,m_maxX,m_minY,m_maxY;
 };