handle failure of gtk_drag_begin() (which can happen e.g. because gdk_pointer_grab...

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

diff --git a/include/wx/gtk/bitmap.h b/include/wx/gtk/bitmap.h
index 0936677dd20ee0628dfa61ddf390a767de00d7b0..98bc4a8beea942192afda6193e56a176f3049182 100644 (file)
--- a/include/wx/gtk/bitmap.h
+++ b/include/wx/gtk/bitmap.h
@@ -7,27 +7,11 @@
 // Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 
-
-#ifndef __GTKBITMAPH__
-#define __GTKBITMAPH__
-
-#include "wx/defs.h"
-#include "wx/object.h"
-#include "wx/string.h"
-#include "wx/palette.h"
-#include "wx/gdiobj.h"
+#ifndef _WX_GTK_BITMAP_H_
+#define _WX_GTK_BITMAP_H_
 
 typedef struct _GdkPixbuf GdkPixbuf;
-
-class WXDLLEXPORT wxPixelDataBase;
-
-//-----------------------------------------------------------------------------
-// classes
-//-----------------------------------------------------------------------------
-
-class WXDLLIMPEXP_CORE wxMask;
-class WXDLLIMPEXP_CORE wxBitmap;
-class WXDLLIMPEXP_CORE wxImage;
+class WXDLLIMPEXP_FWD_CORE wxPixelDataBase;
 
 //-----------------------------------------------------------------------------
 // wxMask
@@ -42,7 +26,7 @@ public:
     wxMask( const wxBitmap& bitmap, int paletteIndex );
 #endif // wxUSE_PALETTE
     wxMask( const wxBitmap& bitmap );
-    ~wxMask();
+    virtual ~wxMask();
 
     bool Create( const wxBitmap& bitmap, const wxColour& colour );
 #if wxUSE_PALETTE
@@ -66,17 +50,24 @@ private:
 class WXDLLIMPEXP_CORE wxBitmap: public wxBitmapBase
 {
 public:
-    wxBitmap();
+    wxBitmap() { }
     wxBitmap( int width, int height, int depth = -1 );
     wxBitmap( const char bits[], int width, int height, int depth = 1 );
-    wxBitmap( const char **bits ) { (void)CreateFromXpm(bits); }
-    wxBitmap( char **bits ) { (void)CreateFromXpm((const char **)bits); }
+    wxBitmap( const char* const* bits );
+#ifdef wxNEEDS_CHARPP
+    // needed for old GCC
+    wxBitmap(char** data)
+    {
+        *this = wxBitmap(wx_const_cast(const char* const*, data));
+    }
+#endif
     wxBitmap( const wxString &filename, wxBitmapType type = wxBITMAP_TYPE_XPM );
+#if wxUSE_IMAGE
     wxBitmap( const wxImage& image, int depth = -1 ) { (void)CreateFromImage(image, depth); }
-    ~wxBitmap();
-    bool operator == ( const wxBitmap& bmp ) const;
-    bool operator != ( const wxBitmap& bmp ) const;
-    bool Ok() const;
+#endif // wxUSE_IMAGE
+    virtual ~wxBitmap();
+    bool Ok() const { return IsOk(); }
+    bool IsOk() const;
 
     bool Create(int width, int height, int depth = -1);
 
@@ -84,7 +75,9 @@ public:
     int GetWidth() const;
     int GetDepth() const;
 
+#if wxUSE_IMAGE
     wxImage ConvertToImage() const;
+#endif // wxUSE_IMAGE
 
     // copies the contents and mask of the given (colour) icon to the bitmap
     virtual bool CopyFromIcon(const wxIcon& icon);
@@ -113,7 +106,7 @@ public:
     void SetWidth( int width );
     void SetDepth( int depth );
     void SetPixmap( GdkPixmap *pixmap );
-    void SetPixbuf(GdkPixbuf *pixbuf);
+    void SetPixbuf(GdkPixbuf* pixbuf, int depth = 0);
 
     GdkPixmap *GetPixmap() const;
     bool HasPixmap() const;
@@ -121,24 +114,31 @@ public:
     GdkPixbuf *GetPixbuf() const;
 
     // Basically, this corresponds to Win32 StretchBlt()
-    wxBitmap Rescale( int clipx, int clipy, int clipwidth, int clipheight, int width, int height );
+    wxBitmap Rescale(int clipx, int clipy, int clipwidth, int clipheight, int width, int height) const;
 
     // raw bitmap access support functions
     void *GetRawData(wxPixelDataBase& data, int bpp);
     void UngetRawData(wxPixelDataBase& data);
 
     bool HasAlpha() const;
-    void UseAlpha();
 
 protected:
-    bool CreateFromXpm(const char **bits);
+#if wxUSE_IMAGE
     bool CreateFromImage(const wxImage& image, int depth);
+#endif // wxUSE_IMAGE
+
+    virtual wxObjectRefData* CreateRefData() const;
+    virtual wxObjectRefData* CloneRefData(const wxObjectRefData* data) const;
 
 private:
+#if wxUSE_IMAGE
     // to be called from CreateFromImage only!
     bool CreateFromImageAsPixmap(const wxImage& image, int depth);
     bool CreateFromImageAsPixbuf(const wxImage& image);
+#endif // wxUSE_IMAGE
 
+public:
+    // implementation only
     enum Representation
     {
         Pixmap,
@@ -148,9 +148,6 @@ private:
     // (wxBitmap may keep same bitmap e.g. as both pixmap and pixbuf):
     void PurgeOtherRepresentations(Representation keep);
 
-    friend class wxMemoryDC;
-    friend class wxBitmapHandler;
-
 private:
     DECLARE_DYNAMIC_CLASS(wxBitmap)
 };
@@ -161,18 +158,7 @@ private:
 
 class WXDLLIMPEXP_CORE wxBitmapHandler: public wxBitmapHandlerBase
 {
-public:
-    wxBitmapHandler() { }
-    virtual ~wxBitmapHandler();
-
-    virtual bool Create(wxBitmap *bitmap, void *data, long flags, int width, int height, int depth = 1);
-    virtual bool LoadFile(wxBitmap *bitmap, const wxString& name, long flags,
-        int desiredWidth, int desiredHeight);
-    virtual bool SaveFile(const wxBitmap *bitmap, const wxString& name, int type, const wxPalette *palette = NULL);
-
-private:
-    DECLARE_DYNAMIC_CLASS(wxBitmapHandler)
+    DECLARE_ABSTRACT_CLASS(wxBitmapHandler)
 };
 
-
-#endif // __GTKBITMAPH__
+#endif // _WX_GTK_BITMAP_H_