New DnD and Clipboard code

Rearranged wxApp to do the same in the
    same order upon program start-up on
    wxGTK and wxMSW
  ODBC tweaks
  exchanged wxDataFormat for wxIPCFormat


git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@1427 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/defs.h

@@ -738,6 +738,8 @@ typedef enum
 // Don't do parent client adjustments (for implementation only)
 #define wxSIZE_NO_ADJUSTMENTS   0x0008
 
+#ifndef __WXGTK__
+
 enum wxDataFormat
 {
   wxDF_INVALID =          0,
@@ -760,6 +762,8 @@ enum wxDataFormat
   wxDF_PRIVATE =          20
 };
 
+#endif
+
 /* Virtual keycodes */
 
 enum wxKeyCode 

include/wx/gtk/app.h

@@ -61,15 +61,16 @@ class wxApp: public wxEvtHandler
     static void SetInitializerFunction(wxAppInitializerFunction fn) { m_appInitFn = fn; }
     static wxAppInitializerFunction GetInitializerFunction() { return m_appInitFn; }
 
-    /* this may have to be overwritten when special, non-default visuals have
+    /* override for altering the way wxGTK intializes the GUI (palette/visual/colorcube).
-       to be set. it is also platform dependent as only X knows about displays
+     * under wxMSW, OnInitGui() does nothing by default. when overriding this method,
-       and visuals. */
+     * the code in it is likely to be platform dependent, otherwise use OnInit(). */
-    virtual bool InitVisual();
-
-    virtual bool OnInit();
     virtual bool OnInitGui();
-    virtual int OnRun();
+    
-    virtual int OnExit();
+    /* override to create top level frame, display splash screen etc. */
+    virtual bool OnInit() { return FALSE; }
+    
+    virtual int OnRun() { return MainLoop(); }
+    virtual int OnExit() { return 0; }
 
     wxWindow *GetTopWindow();
     void SetTopWindow( wxWindow *win );
@@ -105,14 +106,15 @@ class wxApp: public wxEvtHandler
     void SetPrintMode(int WXUNUSED(mode) ) {};
     int GetPrintMode() const { return wxPRINT_POSTSCRIPT; };
 
-    // override this function to create default log target of arbitrary
+    /* override this function to create default log target of arbitrary
-    // user-defined classv (default implementation creates a wxLogGui object)
+     * user-defined classv (default implementation creates a wxLogGui object) */
     virtual wxLog *CreateLogTarget();
 
-  // GTK implementation
+  /* GTK implementation */
 
-    static void CommonInit();
+    static bool Initialize();
-    static void CommonCleanUp();
+    static bool InitialzeVisual();
+    static void CleanUp();
 
     bool ProcessIdle();
     void DeletePendingObjects();

include/wx/gtk/clipbrd.h

@@ -51,35 +51,29 @@ public:
   wxClipboard();
   ~wxClipboard();
 
-  // open the clipboard before SetData() and GetData()
+  /* open the clipboard before SetData() and GetData() */
   virtual bool Open();
   
-  // close the clipboard after SetData() and GetData()
+  /* close the clipboard after SetData() and GetData() */
   virtual void Close();
   
-  // can be called several times
+  /* set the clipboard data. the clipboard will delete the broker later */
-  virtual bool SetData( wxDataObject *data );
+  virtual bool SetData( wxDataBroker *data );
 
-  // format available on the clipboard ? 
+  /* fill data with data on the clipboard (if available) */
-  // supply ID if private format, the same as wxPrivateDataObject::SetId() 
-  virtual bool IsSupportedFormat( wxDataFormat format, const wxString &id = "" );
-  
-  // fill data with data on the clipboard (if available)
   virtual bool GetData( wxDataObject *data );
   
-  // clears wxTheClipboard and the system's clipboard if possible
+  /* clears wxTheClipboard and the system's clipboard if possible */
   virtual void Clear();
 
- // implementation 
+  /* implementation */ 
- 
-  GdkAtom    GetTargetAtom( wxDataFormat format, const wxString &id = "" );
  
   bool              m_open;
   
   bool              m_ownsClipboard;
   bool              m_ownsPrimarySelection;
   
-  wxList            m_dataObjects;
+  wxDataBroker     *m_dataBroker;
   GtkWidget        *m_clipboardWidget;
   
   bool              m_formatSupported;

include/wx/gtk/dataobj.h

@@ -23,6 +23,8 @@
 // classes
 //-------------------------------------------------------------------------
 
+class wxDataFormat;
+class wxDataBroker;
 class wxDataObject;
 class wxTextDataObject;
 class wxBitmapDataObject;
@@ -30,23 +32,128 @@ class wxPrivateDataObject;
 class wxFileDataObject;
 
 //-------------------------------------------------------------------------
-// wxDataObject
+// wxDataFormat
 //-------------------------------------------------------------------------
 
-class wxDataObject: public wxObject
+enum wxDataType
 {
-  DECLARE_ABSTRACT_CLASS( wxDataObject )
+  wxDF_INVALID =          0,
+  wxDF_TEXT =             1,  /* CF_TEXT */
+  wxDF_BITMAP =           2,  /* CF_BITMAP */
+  wxDF_METAFILE =         3,  /* CF_METAFILEPICT */
+  wxDF_SYLK =             4,
+  wxDF_DIF =              5,
+  wxDF_TIFF =             6,
+  wxDF_OEMTEXT =          7,  /* CF_OEMTEXT */
+  wxDF_DIB =              8,  /* CF_DIB */
+  wxDF_PALETTE =          9,
+  wxDF_PENDATA =          10,
+  wxDF_RIFF =             11,
+  wxDF_WAVE =             12,
+  wxDF_UNICODETEXT =      13,
+  wxDF_ENHMETAFILE =      14,
+  wxDF_FILENAME =         15, /* CF_HDROP */
+  wxDF_LOCALE =           16,
+  wxDF_PRIVATE =          20
+};
+
+class wxDataFormat : public wxObject
+{
+  DECLARE_CLASS( wxDataFormat )
   
 public:
   
-  wxDataObject() {}
+  wxDataFormat( wxDataType type );
-  ~wxDataObject() {}
+  wxDataFormat( const wxString &id );
+  wxDataFormat( wxDataFormat &format );
+  wxDataFormat( const GdkAtom atom );
     
-  virtual wxDataFormat GetFormat() const = 0;
+  int GetType() const;
+  wxString GetId() const;
+  void SetId( const wxString &id );
+  GdkAtom GetAtom();
       
-  // implementation
+private:
 
-  GdkAtom  m_formatAtom;
+  int       m_type;
+  wxString  m_id;
+  bool      m_hasAtom;
+  GdkAtom   m_atom;
+};
+
+//-------------------------------------------------------------------------
+// wxDataBroker handles data and ormat negotiation for clipboard and DnD
+//-------------------------------------------------------------------------
+
+class wxDataBroker : public wxObject
+{
+  DECLARE_CLASS( wxDataBroker )
+
+public:
+
+  /* constructor */
+  wxDataBroker();
+  
+  /* add data object */
+  void Add( wxDataObject *dataObject, bool preferred = FALSE );
+  
+private:  
+  
+  /* OLE implementation, the methods don't need to be overridden */
+  
+  /* get number of supported formats */
+  virtual size_t GetFormatCount() const;
+  
+  /* return nth supported format */    
+  virtual wxDataFormat &GetNthFormat( size_t nth ) const;
+    
+  /* return preferrd/best supported format */    
+  virtual wxDataFormat &GetPreferredFormat() const;
+    
+  /* search through m_dataObjects, return TRUE if found */
+  virtual bool IsSupportedFormat( wxDataFormat &format ) const;
+  
+  /* search through m_dataObjects and call child's GetSize() */
+  virtual size_t GetSize( wxDataFormat& format ) const;
+    
+  /* search through m_dataObjects and call child's WriteData(dest) */
+  virtual void WriteData( wxDataFormat& format, void *dest ) const;
+  
+  /* implementation */
+
+public:
+  
+  wxList    m_dataObjects;
+  size_t    m_preferred;
+};
+
+//----------------------------------------------------------------------------
+// wxDataObject to be placed in wxDataBroker
+//----------------------------------------------------------------------------
+
+class wxDataObject : public wxObject
+{
+  DECLARE_DYNAMIC_CLASS( wxDataObject )
+  
+public:
+
+  /* constructor */
+  wxDataObject();
+  
+  /* destructor */
+  ~wxDataObject();
+  
+  /* write data to dest */  
+  virtual void WriteData( void *dest ) const = 0;
+ 
+  /* get size of data */ 
+  virtual size_t GetSize() const = 0;
+  
+  /* implementation */
+  
+  virtual wxDataFormat &GetFormat() const;
+  
+  wxDataFormat *m_format;
 };
 
 //----------------------------------------------------------------------------
@@ -59,22 +166,33 @@ class wxTextDataObject : public wxDataObject
 
 public:
 
-  wxTextDataObject() {}
+  /* default constructor. call SetText() later or override
-  wxTextDataObject( const wxString& strText ) 
+     WriteData() and GetSize() for working on-demand */
-    : m_strText(strText) { }
+  wxTextDataObject();
   
-  virtual wxDataFormat GetFormat() const
+  /* constructor */
-    { return wxDF_TEXT; }
+  wxTextDataObject( const wxString& data );
   
-  void SetText( const wxString& strText) 
+  /* set current text data */
-    { m_strText = strText; }
+  void SetText( const wxString& data );
     
-  wxString GetText() const
+  /* get current text data */
-    { return m_strText; }
+  wxString GetText() const;
 
-private:
+  /* by default calls WriteString() with string set by constructor or
-  wxString  m_strText;
+     by SetText(). can be overridden for working on-demand */
+  virtual void WriteData( void *dest ) const;
   
+  /* by default, returns length of string as set by constructor or 
+     by SetText(). can be overridden for working on-demand */
+  virtual size_t GetSize() const;
+  
+  /* write string to dest */
+  void WriteString( const wxString &str, void *dest ) const;
+  
+  /* implementation */
+
+  wxString  m_data;
 };
 
 //----------------------------------------------------------------------------
@@ -87,20 +205,25 @@ class wxFileDataObject : public wxDataObject
 
 public:
 
-  wxFileDataObject(void) {}
+  /* default constructor */
+  wxFileDataObject();
     
-  virtual wxDataFormat GetFormat() const
+  /* add file name to list */
-    { return wxDF_FILENAME; }
+  void AddFile( const wxString &file );
     
-  void AddFile( const wxString &file )
+  /* get all filename as one string. each file name is 0 terminated,
-    { m_files += file; m_files += (char)0; }
+     the list is double zero terminated */
+  wxString GetFiles() const;
     
-  wxString GetFiles() const
+  /* write list of filenames */
-    { return m_files; }
+  virtual void WriteData( void *dest ) const;
+
+  /* return length of list of filenames */  
+  virtual size_t GetSize() const;
+  
+  /* implementation */
 
-private:
   wxString  m_files;
-  
 };
 
 //----------------------------------------------------------------------------
@@ -113,21 +236,23 @@ class wxBitmapDataObject : public wxDataObject
 
 public:
 
-  wxBitmapDataObject(void) {}
+  /* see wxTextDataObject for explanation */
 
-  wxBitmapDataObject( const wxBitmap& bitmap ) { m_bitmap = bitmap; }
+  wxBitmapDataObject();
+  wxBitmapDataObject( const wxBitmap& bitmap );
   
-  virtual wxDataFormat GetFormat() const
+  void SetBitmap( const wxBitmap &bitmap );
-    { return wxDF_BITMAP; }
+  wxBitmap GetBitmap() const;
   
-  void SetBitmap( const wxBitmap &bitmap )
+  virtual void WriteData( void *dest ) const;
-    { m_bitmap = bitmap; }
+  virtual size_t GetSize() const;
   
-  wxBitmap GetBitmap() const
+  void WriteBitmap( const wxBitmap &bitmap, void *dest ) const;
-    { return m_bitmap; }
+    
+  // implementation
 
-private:
   wxBitmap  m_bitmap;
+  
 };
 
 //----------------------------------------------------------------------------
@@ -140,33 +265,35 @@ class wxPrivateDataObject : public wxDataObject
 
 public:
 
-  wxPrivateDataObject();
+  /* see wxTextDataObject for explanation of functions */
   
+  wxPrivateDataObject();
   ~wxPrivateDataObject();
   
-  virtual wxDataFormat GetFormat() const
+  /* the string Id identifies the format of clipboard or DnD data. a word
-    { return wxDF_PRIVATE; }
+   * processor would e.g. add a wxTextDataObject and a wxPrivateDataObject
+   * to the clipboard - the latter with the Id "application/wxword", an
+   * image manipulation program would put a wxBitmapDataObject and a
+   * wxPrivateDataObject to the clipboard - the latter with "image/png". */
     
-  // the string ID identifies the format of clipboard or DnD data. a word
+  void SetId( const wxString& id );
-  // processor would e.g. add a wxTextDataObject and a wxPrivateDataObject
-  // to the clipboard - the latter with the Id "WXWORD_FORMAT".
     
-  void SetId( const wxString& id )
+  /* get id */
-    { m_id = id; }
+  wxString GetId() const;
 
-  wxString GetId() const
+  /* set data. will make internal copy. */
-    { return m_id; }
-
-  // will make internal copy
   void SetData( const char *data, size_t size );
     
-  size_t GetDataSize() const
+  /* returns pointer to data */
-    { return m_size; }
+  char* GetData() const;
   
-  char* GetData() const
+  virtual void WriteData( void *dest ) const;
-    { return m_data; }
+  virtual size_t GetSize() const;
+  
+  void WriteData( const char *data, void *dest ) const;
+    
+  // implementation
 
-private:
   size_t     m_size;
   char*      m_data;
   wxString   m_id;

include/wx/gtk/dnd.h

@@ -65,12 +65,14 @@ class wxDropTarget: public wxObject
     // Override these to indicate what kind of data you support: 
   
     virtual size_t GetFormatCount() const = 0;
-    virtual wxDataFormat GetFormat(size_t n) const = 0;
+    virtual wxDataFormat &GetFormat(size_t n) const;
   
   // implementation
   
     void RegisterWidget( GtkWidget *widget );
     void UnregisterWidget( GtkWidget *widget );
+    
+    wxDataFormat  *m_format;
 };
 
 //-------------------------------------------------------------------------
@@ -81,14 +83,13 @@ class wxTextDropTarget: public wxDropTarget
 {
   public:
 
-    wxTextDropTarget() {};
+    wxTextDropTarget();
     virtual bool OnDrop( long x, long y, const void *data, size_t size );
     virtual bool OnDropText( long x, long y, const char *psz );
     
   protected:
   
     virtual size_t GetFormatCount() const;
-    virtual wxDataFormat GetFormat(size_t n) const;
 };
 
 //-------------------------------------------------------------------------
@@ -105,10 +106,10 @@ public:
     
   // the string ID identifies the format of clipboard or DnD data. a word
   // processor would e.g. add a wxTextDataObject and a wxPrivateDataObject
-  // to the clipboard - the latter with the Id "WXWORD_FORMAT".
+  // to the clipboard - the latter with the Id "application/wxword" or
+  // "image/png".
     
-  void SetId( const wxString& id )
+  void SetId( const wxString& id );
-      { m_id = id; }
     
   wxString GetId()
       { return m_id; }
@@ -116,7 +117,6 @@ public:
 private:
 
   virtual size_t GetFormatCount() const;
-  virtual wxDataFormat GetFormat(size_t n) const;
     
   wxString   m_id;
 };
@@ -129,7 +129,7 @@ class wxFileDropTarget: public wxDropTarget
 {
   public:
     
-    wxFileDropTarget() {};
+    wxFileDropTarget();
     
     virtual bool OnDrop( long x, long y, const void *data, size_t size );
     virtual bool OnDropFiles( long x, long y, 
@@ -138,7 +138,6 @@ class wxFileDropTarget: public wxDropTarget
   protected:
   
     virtual size_t GetFormatCount() const;
-    virtual wxDataFormat GetFormat(size_t n) const;
 };
 
 //-------------------------------------------------------------------------
@@ -150,7 +149,7 @@ enum wxDragResult
   wxDragError,    // error prevented the d&d operation from completing
   wxDragNone,     // drag target didn't accept the data
   wxDragCopy,     // the data was successfully copied
-  wxDragMove,     // the data was successfully moved
+  wxDragMove,     // the data was successfully moved (MSW only)
   wxDragCancel    // the operation was cancelled by user (not an error)
 };
 
@@ -158,17 +157,30 @@ class wxDropSource: public wxObject
 {
   public:
 
+    /* constructor. set data later with SetData() */
     wxDropSource( wxWindow *win );
-    wxDropSource( wxDataObject &data, wxWindow *win );
+    
+    /* constructor for setting one data object */
+    wxDropSource( wxDataObject *data, wxWindow *win );
+    
+    /* constructor for setting several data objects via wxDataBroker */
+    wxDropSource( wxDataBroker *data, wxWindow *win );
     
     ~wxDropSource(void);
     
-    void SetData( wxDataObject &data  );
+    /* set one dataobject */
+    void SetData( wxDataBroker *data );
+    
+    /* set severa dataobjects via wxDataBroker */
+    void SetData( wxDataObject *data );
+    
+    /* start drag action */
     wxDragResult DoDragDrop( bool bAllowMove = FALSE );
     
-    virtual bool GiveFeedback( wxDragResult WXUNUSED(effect), bool WXUNUSED(bScrolling) ) { return TRUE; };
+    /* override to give feedback */
+    virtual bool GiveFeedback( wxDragResult WXUNUSED(effect), bool WXUNUSED(bScrolling) ) { return TRUE; }
   
-  // implementation
+  /* GTK implementation */
       
     void RegisterWindow(void);
     void UnregisterWindow(void);
@@ -176,7 +188,7 @@ class wxDropSource: public wxObject
     GtkWidget     *m_widget;
     wxWindow      *m_window;
     wxDragResult   m_retValue;
-    wxDataObject  *m_data;
+    wxDataBroker  *m_data;
     
     wxCursor      m_defaultCursor;
     wxCursor      m_goaheadCursor;

include/wx/gtk1/app.h

@@ -61,15 +61,16 @@ class wxApp: public wxEvtHandler
     static void SetInitializerFunction(wxAppInitializerFunction fn) { m_appInitFn = fn; }
     static wxAppInitializerFunction GetInitializerFunction() { return m_appInitFn; }
 
-    /* this may have to be overwritten when special, non-default visuals have
+    /* override for altering the way wxGTK intializes the GUI (palette/visual/colorcube).
-       to be set. it is also platform dependent as only X knows about displays
+     * under wxMSW, OnInitGui() does nothing by default. when overriding this method,
-       and visuals. */
+     * the code in it is likely to be platform dependent, otherwise use OnInit(). */
-    virtual bool InitVisual();
-
-    virtual bool OnInit();
     virtual bool OnInitGui();
-    virtual int OnRun();
+    
-    virtual int OnExit();
+    /* override to create top level frame, display splash screen etc. */
+    virtual bool OnInit() { return FALSE; }
+    
+    virtual int OnRun() { return MainLoop(); }
+    virtual int OnExit() { return 0; }
 
     wxWindow *GetTopWindow();
     void SetTopWindow( wxWindow *win );
@@ -105,14 +106,15 @@ class wxApp: public wxEvtHandler
     void SetPrintMode(int WXUNUSED(mode) ) {};
     int GetPrintMode() const { return wxPRINT_POSTSCRIPT; };
 
-    // override this function to create default log target of arbitrary
+    /* override this function to create default log target of arbitrary
-    // user-defined classv (default implementation creates a wxLogGui object)
+     * user-defined classv (default implementation creates a wxLogGui object) */
     virtual wxLog *CreateLogTarget();
 
-  // GTK implementation
+  /* GTK implementation */
 
-    static void CommonInit();
+    static bool Initialize();
-    static void CommonCleanUp();
+    static bool InitialzeVisual();
+    static void CleanUp();
 
     bool ProcessIdle();
     void DeletePendingObjects();

include/wx/gtk1/clipbrd.h

@@ -51,35 +51,29 @@ public:
   wxClipboard();
   ~wxClipboard();
 
-  // open the clipboard before SetData() and GetData()
+  /* open the clipboard before SetData() and GetData() */
   virtual bool Open();
   
-  // close the clipboard after SetData() and GetData()
+  /* close the clipboard after SetData() and GetData() */
   virtual void Close();
   
-  // can be called several times
+  /* set the clipboard data. the clipboard will delete the broker later */
-  virtual bool SetData( wxDataObject *data );
+  virtual bool SetData( wxDataBroker *data );
 
-  // format available on the clipboard ? 
+  /* fill data with data on the clipboard (if available) */
-  // supply ID if private format, the same as wxPrivateDataObject::SetId() 
-  virtual bool IsSupportedFormat( wxDataFormat format, const wxString &id = "" );
-  
-  // fill data with data on the clipboard (if available)
   virtual bool GetData( wxDataObject *data );
   
-  // clears wxTheClipboard and the system's clipboard if possible
+  /* clears wxTheClipboard and the system's clipboard if possible */
   virtual void Clear();
 
- // implementation 
+  /* implementation */ 
- 
-  GdkAtom    GetTargetAtom( wxDataFormat format, const wxString &id = "" );
  
   bool              m_open;
   
   bool              m_ownsClipboard;
   bool              m_ownsPrimarySelection;
   
-  wxList            m_dataObjects;
+  wxDataBroker     *m_dataBroker;
   GtkWidget        *m_clipboardWidget;
   
   bool              m_formatSupported;

include/wx/gtk1/dataobj.h

@@ -23,6 +23,8 @@
 // classes
 //-------------------------------------------------------------------------
 
+class wxDataFormat;
+class wxDataBroker;
 class wxDataObject;
 class wxTextDataObject;
 class wxBitmapDataObject;
@@ -30,23 +32,128 @@ class wxPrivateDataObject;
 class wxFileDataObject;
 
 //-------------------------------------------------------------------------
-// wxDataObject
+// wxDataFormat
 //-------------------------------------------------------------------------
 
-class wxDataObject: public wxObject
+enum wxDataType
 {
-  DECLARE_ABSTRACT_CLASS( wxDataObject )
+  wxDF_INVALID =          0,
+  wxDF_TEXT =             1,  /* CF_TEXT */
+  wxDF_BITMAP =           2,  /* CF_BITMAP */
+  wxDF_METAFILE =         3,  /* CF_METAFILEPICT */
+  wxDF_SYLK =             4,
+  wxDF_DIF =              5,
+  wxDF_TIFF =             6,
+  wxDF_OEMTEXT =          7,  /* CF_OEMTEXT */
+  wxDF_DIB =              8,  /* CF_DIB */
+  wxDF_PALETTE =          9,
+  wxDF_PENDATA =          10,
+  wxDF_RIFF =             11,
+  wxDF_WAVE =             12,
+  wxDF_UNICODETEXT =      13,
+  wxDF_ENHMETAFILE =      14,
+  wxDF_FILENAME =         15, /* CF_HDROP */
+  wxDF_LOCALE =           16,
+  wxDF_PRIVATE =          20
+};
+
+class wxDataFormat : public wxObject
+{
+  DECLARE_CLASS( wxDataFormat )
   
 public:
   
-  wxDataObject() {}
+  wxDataFormat( wxDataType type );
-  ~wxDataObject() {}
+  wxDataFormat( const wxString &id );
+  wxDataFormat( wxDataFormat &format );
+  wxDataFormat( const GdkAtom atom );
     
-  virtual wxDataFormat GetFormat() const = 0;
+  int GetType() const;
+  wxString GetId() const;
+  void SetId( const wxString &id );
+  GdkAtom GetAtom();
       
-  // implementation
+private:
 
-  GdkAtom  m_formatAtom;
+  int       m_type;
+  wxString  m_id;
+  bool      m_hasAtom;
+  GdkAtom   m_atom;
+};
+
+//-------------------------------------------------------------------------
+// wxDataBroker handles data and ormat negotiation for clipboard and DnD
+//-------------------------------------------------------------------------
+
+class wxDataBroker : public wxObject
+{
+  DECLARE_CLASS( wxDataBroker )
+
+public:
+
+  /* constructor */
+  wxDataBroker();
+  
+  /* add data object */
+  void Add( wxDataObject *dataObject, bool preferred = FALSE );
+  
+private:  
+  
+  /* OLE implementation, the methods don't need to be overridden */
+  
+  /* get number of supported formats */
+  virtual size_t GetFormatCount() const;
+  
+  /* return nth supported format */    
+  virtual wxDataFormat &GetNthFormat( size_t nth ) const;
+    
+  /* return preferrd/best supported format */    
+  virtual wxDataFormat &GetPreferredFormat() const;
+    
+  /* search through m_dataObjects, return TRUE if found */
+  virtual bool IsSupportedFormat( wxDataFormat &format ) const;
+  
+  /* search through m_dataObjects and call child's GetSize() */
+  virtual size_t GetSize( wxDataFormat& format ) const;
+    
+  /* search through m_dataObjects and call child's WriteData(dest) */
+  virtual void WriteData( wxDataFormat& format, void *dest ) const;
+  
+  /* implementation */
+
+public:
+  
+  wxList    m_dataObjects;
+  size_t    m_preferred;
+};
+
+//----------------------------------------------------------------------------
+// wxDataObject to be placed in wxDataBroker
+//----------------------------------------------------------------------------
+
+class wxDataObject : public wxObject
+{
+  DECLARE_DYNAMIC_CLASS( wxDataObject )
+  
+public:
+
+  /* constructor */
+  wxDataObject();
+  
+  /* destructor */
+  ~wxDataObject();
+  
+  /* write data to dest */  
+  virtual void WriteData( void *dest ) const = 0;
+ 
+  /* get size of data */ 
+  virtual size_t GetSize() const = 0;
+  
+  /* implementation */
+  
+  virtual wxDataFormat &GetFormat() const;
+  
+  wxDataFormat *m_format;
 };
 
 //----------------------------------------------------------------------------
@@ -59,22 +166,33 @@ class wxTextDataObject : public wxDataObject
 
 public:
 
-  wxTextDataObject() {}
+  /* default constructor. call SetText() later or override
-  wxTextDataObject( const wxString& strText ) 
+     WriteData() and GetSize() for working on-demand */
-    : m_strText(strText) { }
+  wxTextDataObject();
   
-  virtual wxDataFormat GetFormat() const
+  /* constructor */
-    { return wxDF_TEXT; }
+  wxTextDataObject( const wxString& data );
   
-  void SetText( const wxString& strText) 
+  /* set current text data */
-    { m_strText = strText; }
+  void SetText( const wxString& data );
     
-  wxString GetText() const
+  /* get current text data */
-    { return m_strText; }
+  wxString GetText() const;
 
-private:
+  /* by default calls WriteString() with string set by constructor or
-  wxString  m_strText;
+     by SetText(). can be overridden for working on-demand */
+  virtual void WriteData( void *dest ) const;
   
+  /* by default, returns length of string as set by constructor or 
+     by SetText(). can be overridden for working on-demand */
+  virtual size_t GetSize() const;
+  
+  /* write string to dest */
+  void WriteString( const wxString &str, void *dest ) const;
+  
+  /* implementation */
+
+  wxString  m_data;
 };
 
 //----------------------------------------------------------------------------
@@ -87,20 +205,25 @@ class wxFileDataObject : public wxDataObject
 
 public:
 
-  wxFileDataObject(void) {}
+  /* default constructor */
+  wxFileDataObject();
     
-  virtual wxDataFormat GetFormat() const
+  /* add file name to list */
-    { return wxDF_FILENAME; }
+  void AddFile( const wxString &file );
     
-  void AddFile( const wxString &file )
+  /* get all filename as one string. each file name is 0 terminated,
-    { m_files += file; m_files += (char)0; }
+     the list is double zero terminated */
+  wxString GetFiles() const;
     
-  wxString GetFiles() const
+  /* write list of filenames */
-    { return m_files; }
+  virtual void WriteData( void *dest ) const;
+
+  /* return length of list of filenames */  
+  virtual size_t GetSize() const;
+  
+  /* implementation */
 
-private:
   wxString  m_files;
-  
 };
 
 //----------------------------------------------------------------------------
@@ -113,21 +236,23 @@ class wxBitmapDataObject : public wxDataObject
 
 public:
 
-  wxBitmapDataObject(void) {}
+  /* see wxTextDataObject for explanation */
 
-  wxBitmapDataObject( const wxBitmap& bitmap ) { m_bitmap = bitmap; }
+  wxBitmapDataObject();
+  wxBitmapDataObject( const wxBitmap& bitmap );
   
-  virtual wxDataFormat GetFormat() const
+  void SetBitmap( const wxBitmap &bitmap );
-    { return wxDF_BITMAP; }
+  wxBitmap GetBitmap() const;
   
-  void SetBitmap( const wxBitmap &bitmap )
+  virtual void WriteData( void *dest ) const;
-    { m_bitmap = bitmap; }
+  virtual size_t GetSize() const;
   
-  wxBitmap GetBitmap() const
+  void WriteBitmap( const wxBitmap &bitmap, void *dest ) const;
-    { return m_bitmap; }
+    
+  // implementation
 
-private:
   wxBitmap  m_bitmap;
+  
 };
 
 //----------------------------------------------------------------------------
@@ -140,33 +265,35 @@ class wxPrivateDataObject : public wxDataObject
 
 public:
 
-  wxPrivateDataObject();
+  /* see wxTextDataObject for explanation of functions */
   
+  wxPrivateDataObject();
   ~wxPrivateDataObject();
   
-  virtual wxDataFormat GetFormat() const
+  /* the string Id identifies the format of clipboard or DnD data. a word
-    { return wxDF_PRIVATE; }
+   * processor would e.g. add a wxTextDataObject and a wxPrivateDataObject
+   * to the clipboard - the latter with the Id "application/wxword", an
+   * image manipulation program would put a wxBitmapDataObject and a
+   * wxPrivateDataObject to the clipboard - the latter with "image/png". */
     
-  // the string ID identifies the format of clipboard or DnD data. a word
+  void SetId( const wxString& id );
-  // processor would e.g. add a wxTextDataObject and a wxPrivateDataObject
-  // to the clipboard - the latter with the Id "WXWORD_FORMAT".
     
-  void SetId( const wxString& id )
+  /* get id */
-    { m_id = id; }
+  wxString GetId() const;
 
-  wxString GetId() const
+  /* set data. will make internal copy. */
-    { return m_id; }
-
-  // will make internal copy
   void SetData( const char *data, size_t size );
     
-  size_t GetDataSize() const
+  /* returns pointer to data */
-    { return m_size; }
+  char* GetData() const;
   
-  char* GetData() const
+  virtual void WriteData( void *dest ) const;
-    { return m_data; }
+  virtual size_t GetSize() const;
+  
+  void WriteData( const char *data, void *dest ) const;
+    
+  // implementation
 
-private:
   size_t     m_size;
   char*      m_data;
   wxString   m_id;

include/wx/gtk1/dnd.h

@@ -65,12 +65,14 @@ class wxDropTarget: public wxObject
     // Override these to indicate what kind of data you support: 
   
     virtual size_t GetFormatCount() const = 0;
-    virtual wxDataFormat GetFormat(size_t n) const = 0;
+    virtual wxDataFormat &GetFormat(size_t n) const;
   
   // implementation
   
     void RegisterWidget( GtkWidget *widget );
     void UnregisterWidget( GtkWidget *widget );
+    
+    wxDataFormat  *m_format;
 };
 
 //-------------------------------------------------------------------------
@@ -81,14 +83,13 @@ class wxTextDropTarget: public wxDropTarget
 {
   public:
 
-    wxTextDropTarget() {};
+    wxTextDropTarget();
     virtual bool OnDrop( long x, long y, const void *data, size_t size );
     virtual bool OnDropText( long x, long y, const char *psz );
     
   protected:
   
     virtual size_t GetFormatCount() const;
-    virtual wxDataFormat GetFormat(size_t n) const;
 };
 
 //-------------------------------------------------------------------------
@@ -105,10 +106,10 @@ public:
     
   // the string ID identifies the format of clipboard or DnD data. a word
   // processor would e.g. add a wxTextDataObject and a wxPrivateDataObject
-  // to the clipboard - the latter with the Id "WXWORD_FORMAT".
+  // to the clipboard - the latter with the Id "application/wxword" or
+  // "image/png".
     
-  void SetId( const wxString& id )
+  void SetId( const wxString& id );
-      { m_id = id; }
     
   wxString GetId()
       { return m_id; }
@@ -116,7 +117,6 @@ public:
 private:
 
   virtual size_t GetFormatCount() const;
-  virtual wxDataFormat GetFormat(size_t n) const;
     
   wxString   m_id;
 };
@@ -129,7 +129,7 @@ class wxFileDropTarget: public wxDropTarget
 {
   public:
     
-    wxFileDropTarget() {};
+    wxFileDropTarget();
     
     virtual bool OnDrop( long x, long y, const void *data, size_t size );
     virtual bool OnDropFiles( long x, long y, 
@@ -138,7 +138,6 @@ class wxFileDropTarget: public wxDropTarget
   protected:
   
     virtual size_t GetFormatCount() const;
-    virtual wxDataFormat GetFormat(size_t n) const;
 };
 
 //-------------------------------------------------------------------------
@@ -150,7 +149,7 @@ enum wxDragResult
   wxDragError,    // error prevented the d&d operation from completing
   wxDragNone,     // drag target didn't accept the data
   wxDragCopy,     // the data was successfully copied
-  wxDragMove,     // the data was successfully moved
+  wxDragMove,     // the data was successfully moved (MSW only)
   wxDragCancel    // the operation was cancelled by user (not an error)
 };
 
@@ -158,17 +157,30 @@ class wxDropSource: public wxObject
 {
   public:
 
+    /* constructor. set data later with SetData() */
     wxDropSource( wxWindow *win );
-    wxDropSource( wxDataObject &data, wxWindow *win );
+    
+    /* constructor for setting one data object */
+    wxDropSource( wxDataObject *data, wxWindow *win );
+    
+    /* constructor for setting several data objects via wxDataBroker */
+    wxDropSource( wxDataBroker *data, wxWindow *win );
     
     ~wxDropSource(void);
     
-    void SetData( wxDataObject &data  );
+    /* set one dataobject */
+    void SetData( wxDataBroker *data );
+    
+    /* set severa dataobjects via wxDataBroker */
+    void SetData( wxDataObject *data );
+    
+    /* start drag action */
     wxDragResult DoDragDrop( bool bAllowMove = FALSE );
     
-    virtual bool GiveFeedback( wxDragResult WXUNUSED(effect), bool WXUNUSED(bScrolling) ) { return TRUE; };
+    /* override to give feedback */
+    virtual bool GiveFeedback( wxDragResult WXUNUSED(effect), bool WXUNUSED(bScrolling) ) { return TRUE; }
   
-  // implementation
+  /* GTK implementation */
       
     void RegisterWindow(void);
     void UnregisterWindow(void);
@@ -176,7 +188,7 @@ class wxDropSource: public wxObject
     GtkWidget     *m_widget;
     wxWindow      *m_window;
     wxDragResult   m_retValue;
-    wxDataObject  *m_data;
+    wxDataBroker  *m_data;
     
     wxCursor      m_defaultCursor;
     wxCursor      m_goaheadCursor;

include/wx/ipcbase.h

@@ -20,6 +20,28 @@
 #include "wx/object.h"
 #include "wx/string.h"
 
+enum wxIPCFormat
+{
+  wxIPC_INVALID =          0,
+  wxIPC_TEXT =             1,  /* CF_TEXT */
+  wxIPC_BITMAP =           2,  /* CF_BITMAP */
+  wxIPC_METAFILE =         3,  /* CF_METAFILEPICT */
+  wxIPC_SYLK =             4,
+  wxIPC_DIF =              5,
+  wxIPC_TIFF =             6,
+  wxIPC_OEMTEXT =          7,  /* CF_OEMTEXT */
+  wxIPC_DIB =              8,  /* CF_DIB */
+  wxIPC_PALETTE =          9,
+  wxIPC_PENDATA =          10,
+  wxIPC_RIFF =             11,
+  wxIPC_WAVE =             12,
+  wxIPC_UNICODETEXT =      13,
+  wxIPC_ENHMETAFILE =      14,
+  wxIPC_FILENAME =         15, /* CF_HDROP */
+  wxIPC_LOCALE =           16,
+  wxIPC_PRIVATE =          20
+};
+
 class WXDLLEXPORT wxDDEServerBase;
 class WXDLLEXPORT wxDDEClientBase;
 
@@ -31,15 +53,15 @@ class WXDLLEXPORT wxConnectionBase: public wxObject
   inline ~wxConnectionBase(void) {}
 
   // Calls that CLIENT can make
-  virtual bool Execute(char *data, int size = -1, wxDataFormat format = wxDF_TEXT ) = 0;
+  virtual bool Execute(char *data, int size = -1, wxIPCFormat format = wxIPC_TEXT ) = 0;
-  virtual bool Execute(const wxString& str) { return Execute((char *)(const char *)str, -1, wxDF_TEXT); }
+  virtual bool Execute(const wxString& str) { return Execute((char *)(const char *)str, -1, wxIPC_TEXT); }
-  virtual char *Request(const wxString& item, int *size = (int *) NULL, wxDataFormat format = wxDF_TEXT) = 0;
+  virtual char *Request(const wxString& item, int *size = (int *) NULL, wxIPCFormat format = wxIPC_TEXT) = 0;
-  virtual bool Poke(const wxString& item, char *data, int size = -1, wxDataFormat format = wxDF_TEXT) = 0;
+  virtual bool Poke(const wxString& item, char *data, int size = -1, wxIPCFormat format = wxIPC_TEXT) = 0;
   virtual bool StartAdvise(const wxString& item) = 0;
   virtual bool StopAdvise(const wxString& item) = 0;
 
   // Calls that SERVER can make
-  virtual bool Advise(const wxString& item, char *data, int size = -1, wxDataFormat format = wxDF_TEXT) = 0;
+  virtual bool Advise(const wxString& item, char *data, int size = -1, wxIPCFormat format = wxIPC_TEXT) = 0;
 
   // Calls that both can make
   virtual bool Disconnect(void) = 0;

include/wx/msw/dde.h

@@ -54,28 +54,28 @@ public:
   ~wxDDEConnection(void);
 
   // Calls that CLIENT can make
-  virtual bool Execute(char *data, int size = -1, wxDataFormat format = wxDF_TEXT);
+  virtual bool Execute(char *data, int size = -1, wxIPCFormat format = wxIPC_TEXT);
-  virtual bool Execute(const wxString& str) { return Execute((char *)(const char *)str, -1, wxDF_TEXT); }
+  virtual bool Execute(const wxString& str) { return Execute((char *)(const char *)str, -1, wxIPC_TEXT); }
-  virtual char *Request(const wxString& item, int *size = NULL, wxDataFormat format = wxDF_TEXT);
+  virtual char *Request(const wxString& item, int *size = NULL, wxIPCFormat format = wxIPC_TEXT);
-  virtual bool Poke(const wxString& item, char *data, int size = -1, wxDataFormat format = wxDF_TEXT);
+  virtual bool Poke(const wxString& item, char *data, int size = -1, wxIPCFormat format = wxIPC_TEXT);
   virtual bool StartAdvise(const wxString& item);
   virtual bool StopAdvise(const wxString& item);
 
   // Calls that SERVER can make
-  virtual bool Advise(const wxString& item, char *data, int size = -1, wxDataFormat format = wxDF_TEXT);
+  virtual bool Advise(const wxString& item, char *data, int size = -1, wxIPCFormat format = wxIPC_TEXT);
 
   // Calls that both can make
   virtual bool Disconnect(void);
 
   // Callbacks to SERVER - override at will
-  virtual bool OnExecute(const wxString& topic, char *data, int size, wxDataFormat format) { return FALSE; };
+  virtual bool OnExecute(const wxString& topic, char *data, int size, wxIPCFormat format) { return FALSE; };
-  virtual char *OnRequest(const wxString& topic, const wxString& item, int *size, wxDataFormat format) { return NULL; };
+  virtual char *OnRequest(const wxString& topic, const wxString& item, int *size, wxIPCFormat format) { return NULL; };
-  virtual bool OnPoke(const wxString& topic, const wxString& item, char *data, int size, wxDataFormat format) { return FALSE; };
+  virtual bool OnPoke(const wxString& topic, const wxString& item, char *data, int size, wxIPCFormat format) { return FALSE; };
   virtual bool OnStartAdvise(const wxString& topic, const wxString& item) { return FALSE; };
   virtual bool OnStopAdvise(const wxString& topic, const wxString& item) { return FALSE; };
 
   // Callbacks to CLIENT - override at will
-  virtual bool OnAdvise(const wxString& topic, const wxString& item, char *data, int size, wxDataFormat format) { return FALSE; };
+  virtual bool OnAdvise(const wxString& topic, const wxString& item, char *data, int size, wxIPCFormat format) { return FALSE; };
 
   // Callbacks to BOTH
 
@@ -92,7 +92,7 @@ public:
   WXHCONV       m_hConv;
   char*         m_sendingData;
   int           m_dataSize;
-  wxDataFormat  m_dataType;
+  wxIPCFormat  m_dataType;
 };
 
 class WXDLLEXPORT wxDDEServer: public wxServerBase

include/wx/sckipc.h

@@ -74,17 +74,17 @@ public:
 
   // Calls that CLIENT can make
   bool Execute(char *data, int size = -1,
-               wxDataFormat format = wxDF_TEXT);
+               wxIPCFormat format = wxIPC_TEXT);
   char *Request(const wxString& item, int *size = NULL,
-                wxDataFormat format = wxDF_TEXT);
+                wxIPCFormat format = wxIPC_TEXT);
   bool Poke(const wxString& item, char *data, int size = -1,
-            wxDataFormat format = wxDF_TEXT);
+            wxIPCFormat format = wxIPC_TEXT);
   bool StartAdvise(const wxString& item);
   bool StopAdvise(const wxString& item);
 
   // Calls that SERVER can make
   bool Advise(const wxString& item, char *data, int size = -1,
-              wxDataFormat format = wxDF_TEXT);
+              wxIPCFormat format = wxIPC_TEXT);
 
   // Calls that both can make
   bool Disconnect();

samples/controls/controls.cpp

@@ -438,13 +438,6 @@ void MyPanel::OnPasteFromClipboard( wxCommandEvent &WXUNUSED(event) )
 {
 #ifdef __WXGTK__
 
-  if (!wxTheClipboard->IsSupportedFormat( wxDF_TEXT ))
-  {
-     *m_text << "The clipboard doesn't contain any data in the requested format." << "\n";
-
-     return;
-  }
-
   if (!wxTheClipboard->Open())
   {
      *m_text << "Error opening the clipboard." << "\n";
@@ -485,8 +478,6 @@ void MyPanel::OnCopyToClipboard( wxCommandEvent &WXUNUSED(event) )
 
   if (text.IsEmpty()) return;
 
-  wxTextDataObject *data = new wxTextDataObject( text );
-
   if (!wxTheClipboard->Open())
   {
      *m_text << "Error opening the clipboard." << "\n";
@@ -498,7 +489,11 @@ void MyPanel::OnCopyToClipboard( wxCommandEvent &WXUNUSED(event) )
      *m_text << "Successfully opened the clipboard." << "\n";
   }
 
-  if (!wxTheClipboard->SetData( data ))
+  wxTextDataObject *data = new wxTextDataObject( text );
+  wxDataBroker *broker = new wxDataBroker();
+  broker->Add( data );
+
+  if (!wxTheClipboard->SetData( broker ))
   {
      *m_text << "Error while copying to the clipboard." << "\n";
   }

samples/db/dbtest.cpp

@@ -622,10 +622,7 @@ CeditorDlg::CeditorDlg(wxWindow *parent) : wxPanel (parent, 1, 1, 460, 455)
 	// The constructed where clause below has a sub-query within it "SELECT MIN(NAME) FROM %s" 
 	// to achieve a single row (in this case the first name in alphabetical order).
 	
-	Contact->whereStr.Printf("NAME = 'Robert'",Contact->tableName);
-/*
 	Contact->whereStr.Printf("NAME = (SELECT MIN(NAME) FROM %s)",Contact->tableName);
-*/
 	
 	// NOTE: (const char*) returns a pointer which may not be valid later, so this is short term use only
 	Contact->where = (char*) (const char*) Contact->whereStr;
@@ -786,12 +783,9 @@ void CeditorDlg::OnCommand(wxWindow& win, wxCommandEvent& event)
 		}
 
 		// Previous record not available, retrieve first record in table
-		Contact->whereStr  = "NAME = 'Robert' ";
-/*
 		Contact->whereStr  = "NAME = (SELECT MIN(NAME) FROM ";
 		Contact->whereStr += Contact->tableName;
 		Contact->whereStr += ")";
-*/
 		Contact->where = (char*) (const char*) Contact->whereStr;
 		if (!Contact->Query())
 		{
@@ -842,10 +836,9 @@ void CeditorDlg::OnCommand(wxWindow& win, wxCommandEvent& event)
 		if (strcmp(qryWhere, (const char*) Contact->qryWhereStr))
 		{
 			Contact->orderBy		= "NAME";
-/*
 			Contact->whereStr		= "NAME = (SELECT MIN(NAME) FROM ";
 			Contact->whereStr		+= CONTACT_TABLE_NAME;
-*/
+			
 			// Append the query where string (if there is one)
 			Contact->qryWhereStr	= qryWhere;
 			if (strlen(qryWhere))
@@ -885,12 +878,11 @@ void CeditorDlg::OnCommand(wxWindow& win, wxCommandEvent& event)
 
 		// Query the first record in the table
 		Contact->orderBy		= "NAME";
-		Contact->whereStr		= "NAME = 'Robert' ";
+
-/*
 		Contact->whereStr		= "NAME = (SELECT MIN(NAME) FROM ";
 		Contact->whereStr		+= CONTACT_TABLE_NAME;
 		Contact->whereStr		+= ")";
-*/
+
 		Contact->where			= (char*) (const char*) Contact->whereStr;
 		if (!Contact->Query())
 		{
@@ -1210,10 +1202,8 @@ bool CeditorDlg::GetNextRec()
 {
 	wxString w;
 
-/*
+
 	w  = "NAME = (SELECT MIN(NAME) FROM ";
-*/
-	w  = "NAME = (SELECT NAME FROM ";
 	w += Contact->tableName;
 	w += " WHERE NAME > '";
 	w += Contact->Name;

samples/db/dbtest.h

@@ -26,7 +26,7 @@ enum		DialogModes {mView,mCreate,mEdit,mSearch};
 
 
 // Name of the table to be created/opened
-const char	CONTACT_TABLE_NAME[]		=	"CONTACTS";
+const char	CONTACT_TABLE_NAME[]		=	"contacts";
 
 // Nuber of columns in the above table
 const int	CONTACT_NO_COLS			= 12;		// 0-11

samples/dnd/dnd.cpp

@@ -309,8 +309,7 @@ void DnDFrame::OnLeftDown(wxMouseEvent &WXUNUSED(event) )
   {
     // start drag operation
 
-    wxTextDataObject data(m_strText);
+    wxDropSource dragSource( new wxTextDataObject (m_strText), this );
-    wxDropSource dragSource(data, this);
     const char *pc;
 
     switch ( dragSource.DoDragDrop(TRUE) ) 

src/common/sckipc.cpp

@@ -211,7 +211,7 @@ bool wxTCPConnection::Disconnect (void)
   return TRUE;
 }
 
-bool wxTCPConnection::Execute (char *data, int size, wxDataFormat format)
+bool wxTCPConnection::Execute (char *data, int size, wxIPCFormat format)
 {
   if (!m_sock->IsConnected())
     return FALSE;
@@ -229,7 +229,7 @@ bool wxTCPConnection::Execute (char *data, int size, wxDataFormat format)
   return TRUE;
 }
 
-char *wxTCPConnection::Request (const wxString& item, int *size, wxDataFormat format)
+char *wxTCPConnection::Request (const wxString& item, int *size, wxIPCFormat format)
 {
   if (!m_sock->IsConnected())
     return NULL;
@@ -258,7 +258,7 @@ char *wxTCPConnection::Request (const wxString& item, int *size, wxDataFormat fo
   }
 }
 
-bool wxTCPConnection::Poke (const wxString& item, char *data, int size, wxDataFormat format)
+bool wxTCPConnection::Poke (const wxString& item, char *data, int size, wxIPCFormat format)
 {
   if (!m_sock->IsConnected())
     return FALSE;
@@ -314,7 +314,7 @@ bool wxTCPConnection::StopAdvise (const wxString& item)
 
 // Calls that SERVER can make
 bool wxTCPConnection::Advise (const wxString& item,
-                              char *data, int size, wxDataFormat format)
+                              char *data, int size, wxIPCFormat format)
 {
   if (!m_sock->IsConnected())
     return FALSE;
@@ -358,9 +358,9 @@ void Client_OnRequest(wxSocketBase& sock, wxSocketBase::wxRequestEvent evt,
   case IPC_EXECUTE: {
     char *data;
     size_t size; 
-    wxDataFormat format;
+    wxIPCFormat format;
     
-    format = (wxDataFormat)codeci->Read8();
+    format = (wxIPCFormat)codeci->Read8();
     size = codeci->Read32();
     data = new char[size];
     codeci->Read(data, size);
@@ -373,10 +373,10 @@ void Client_OnRequest(wxSocketBase& sock, wxSocketBase::wxRequestEvent evt,
   case IPC_ADVISE: {
     char *data;
     size_t size;
-    wxDataFormat format;
+    wxIPCFormat format;
 
     item = codeci->ReadString();
-    format = (wxDataFormat)codeci->Read8();
+    format = (wxIPCFormat)codeci->Read8();
     size = codeci->Read32();
     data = new char[size];
     codeci->Read(data, size);
@@ -409,12 +409,12 @@ void Client_OnRequest(wxSocketBase& sock, wxSocketBase::wxRequestEvent evt,
     break;
   }
   case IPC_POKE: {
-    wxDataFormat format;
+    wxIPCFormat format;
     size_t size;
     char *data;
 
     item = codeci->ReadString();
-    format = (wxDataFormat)codeci->Read8();
+    format = (wxIPCFormat)codeci->Read8();
     size = codeci->Read32();
     data = new char[size];
     codeci->Read(data, size);
@@ -426,10 +426,10 @@ void Client_OnRequest(wxSocketBase& sock, wxSocketBase::wxRequestEvent evt,
     break;
   }
   case IPC_REQUEST: {
-    wxDataFormat format;
+    wxIPCFormat format;
 
     item = codeci->ReadString();
-    format = (wxDataFormat)codeci->Read8();
+    format = (wxIPCFormat)codeci->Read8();
 
     int user_size = -1;
     char *user_data = connection->OnRequest (topic_name, item, &user_size, format);

src/gtk/app.cpp

@@ -19,6 +19,7 @@
 #include "wx/memory.h"
 #include "wx/font.h"
 #include "wx/settings.h"
+#include "wx/dialog.h"
 #if wxUSE_WX_RESOURCES
 #include "wx/resource.h"
 #endif
@@ -158,11 +159,14 @@ gint wxapp_idle_callback( gpointer WXUNUSED(data) )
 
 wxApp::wxApp()
 {
-    m_idleTag = 0;
+    wxTheApp = this;
+    
     m_topWindow = (wxWindow *) NULL;
     m_exitOnFrameDelete = TRUE;
+    
+    m_idleTag = gtk_idle_add( wxapp_idle_callback, (gpointer) NULL );
+    
     m_colorCube = (unsigned char*) NULL;
-    wxTheApp = this;
 }
 
 wxApp::~wxApp(void)
@@ -172,7 +176,7 @@ wxApp::~wxApp(void)
     if (m_colorCube) free(m_colorCube);
 }
 
-bool wxApp::InitVisual()
+bool wxApp::OnInitGui()
 {
     /* Nothing to do for 15, 16, 24, 32 bit displays */
 
@@ -183,7 +187,8 @@ bool wxApp::InitVisual()
            in the GNOME libraries. it ensures that all GNOME applications
            use the same 64 colormap entries on 8-bit displays so you
            can use several rather graphics-heavy applications at the
-       same time */
+           same time.
+	   NOTE: this doesn't really seem to work this way... */
 
         /*
         GdkColormap *cmap = gdk_colormap_new( gdk_visual_get_system(), TRUE );
@@ -236,26 +241,10 @@ bool wxApp::InitVisual()
 	}
     }
 
-    return TRUE;
-}
-
-bool wxApp::OnInitGui(void)
-{
-    m_idleTag = gtk_idle_add( wxapp_idle_callback, NULL );
     
     return TRUE;
 }
 
-bool wxApp::OnInit(void)
-{
-    return TRUE;
-}
-
-int wxApp::OnRun(void)
-{
-    return MainLoop();
-}
-
 bool wxApp::ProcessIdle(void)
 {
     wxIdleEvent event;
@@ -330,11 +319,6 @@ bool wxApp::SendIdleEvents( wxWindow* win )
     return needMore ;
 }
 
-int wxApp::OnExit(void)
-{
-    return 0;
-}
-
 int wxApp::MainLoop(void)
 {
     gtk_main();
@@ -389,8 +373,12 @@ void wxApp::SetTopWindow( wxWindow *win )
     m_topWindow = win;
 }
 
-void wxApp::CommonInit(void)
+bool wxApp::Initialize(void)
 {
+    wxBuffer = new char[BUFSIZ + 512];
+
+    wxClassInfo::InitializeClasses();
+    
     wxSystemSettings::Init();
   
     wxTheFontNameDirectory =  new wxFontNameDirectory;
@@ -410,18 +398,18 @@ void wxApp::CommonInit(void)
 
     wxImage::InitStandardHandlers();
 
-//  g_globalCursor = new wxCursor;
+    /* no global cursor under X
+       g_globalCursor = new wxCursor; */
+       
+    wxModule::RegisterModules();
+    if (!wxModule::InitializeModules()) return FALSE;
+    
+    return TRUE;
 }
 
-void wxApp::CommonCleanUp(void)
+void wxApp::CleanUp(void)
 {
-    if (wxTheColourDatabase) delete wxTheColourDatabase;
+    wxModule::CleanUpModules();
-    wxTheColourDatabase = (wxColourDatabase*) NULL;
-    
-    if (wxTheFontNameDirectory) delete wxTheFontNameDirectory;
-    wxTheFontNameDirectory = (wxFontNameDirectory*) NULL;
-    
-    wxDeleteStockObjects();
 
 #if wxUSE_WX_RESOURCES
     wxFlushResources();
@@ -432,11 +420,42 @@ void wxApp::CommonCleanUp(void)
     wxCleanUpResourceSystem();
 #endif
 
+    if (wxTheColourDatabase) delete wxTheColourDatabase;
+    wxTheColourDatabase = (wxColourDatabase*) NULL;
+    
+    if (wxTheFontNameDirectory) delete wxTheFontNameDirectory;
+    wxTheFontNameDirectory = (wxFontNameDirectory*) NULL;
+    
+    wxDeleteStockObjects();
+
     wxDeleteStockLists();
 
     wxImage::CleanUpHandlers();
 
+    delete wxTheApp;
+    wxTheApp = (wxApp*) NULL;
+
+    /* check for memory leaks */
+#if (defined(__WXDEBUG__) && wxUSE_MEMORY_TRACING) || wxUSE_DEBUG_CONTEXT
+    if (wxDebugContext::CountObjectsLeft() > 0)
+    {
+        wxLogDebug("There were memory leaks.\n");
+        wxDebugContext::Dump();
+        wxDebugContext::PrintStatistics();
+    }
+#endif
+
+    /* do this as the very last thing because everything else can log messages */
+    wxLog::DontCreateOnDemand();
+    
+    wxLog *oldLog = wxLog::SetActiveTarget( (wxLog*) NULL );
+    if (oldLog) delete oldLog;
+
     wxSystemSettings::Done();
+    
+    wxClassInfo::CleanUpClasses();
+
+    delete[] wxBuffer;
 }
 
 wxLog *wxApp::CreateLogTarget()
@@ -450,10 +469,11 @@ wxLog *wxApp::CreateLogTarget()
 
 int wxEntry( int argc, char *argv[] )
 {
-    wxBuffer = new char[BUFSIZ + 512];
+    gtk_set_locale();
 
-    wxClassInfo::InitializeClasses();
+    gtk_init( &argc, &argv );
 
+    if (!wxApp::Initialize()) return 0;
 
     if (!wxTheApp)
     {
@@ -485,22 +505,11 @@ int wxEntry( int argc, char *argv[] )
     wxStripExtension( name );
     wxTheApp->SetAppName( name );
 
-    gtk_set_locale();
-
-    gtk_init( &argc, &argv );
-
-    if (!wxTheApp->InitVisual()) return 0;
-
-    wxApp::CommonInit();
-
     if (!wxTheApp->OnInitGui()) return 0;
 
-    wxModule::RegisterModules();
+    /* Here frames insert themselves automatically
-    if (!wxModule::InitializeModules()) return FALSE;
+     * into wxTopLevelWindows by getting created
-    
+     * in OnInit(). */
-    // Here frames insert themselves automatically
-    // into wxTopLevelWindows by getting created
-    // in OnInit().
 
     if (!wxTheApp->OnInit()) return 0;
 
@@ -510,34 +519,31 @@ int wxEntry( int argc, char *argv[] )
 
     if (wxTheApp->Initialized()) retValue = wxTheApp->OnRun();
 
+    wxWindow *topWindow = wxTheApp->GetTopWindow();
+    if (topWindow)
+    {
+        /* Forcibly delete the window. */
+        if (topWindow->IsKindOf(CLASSINFO(wxFrame)) ||
+            topWindow->IsKindOf(CLASSINFO(wxDialog)) )
+        {
+            topWindow->Close( TRUE );
             wxTheApp->DeletePendingObjects();
+        }
+        else
+        {
+            delete topWindow;
+            wxTheApp->SetTopWindow( (wxWindow*) NULL );
+        }
+    }
 
     wxTheApp->OnExit();
 
-    wxModule::CleanUpModules();
+    /* flush the logged messages if any */
+    wxLog *log = wxLog::GetActiveTarget();
+    if (log != NULL && log->HasPendingMessages())
+        log->Flush();
 
-    wxApp::CommonCleanUp();
+    wxApp::CleanUp();
-
-    delete wxTheApp;
-    wxTheApp = (wxApp*) NULL;
-
-    wxClassInfo::CleanUpClasses();
-
-    delete[] wxBuffer;
-
-#if (defined(__WXDEBUG__) && wxUSE_MEMORY_TRACING) || wxUSE_DEBUG_CONTEXT
-
-    if (wxDebugContext::CountObjectsLeft() > 0)
-    {
-        wxLogDebug("There were memory leaks.\n");
-        wxDebugContext::Dump();
-        wxDebugContext::PrintStatistics();
-    }
-
-#endif
-
-    wxLog *oldLog = wxLog::SetActiveTarget( (wxLog*) NULL );
-    if (oldLog) delete oldLog;
 
     return retValue;
 }

src/gtk/clipbrd.cpp

@@ -104,12 +104,12 @@ selection_received( GtkWidget *WXUNUSED(widget),
   
     // make sure we got the data in the correct format
     
-    if (data_object->m_formatAtom != selection_data->target) return;
+    if (data_object->GetFormat().GetAtom() != selection_data->target) return;
     
     // make sure we got the data in the correct form (selection type).
     // if so, copy data to target object
     
-    switch (data_object->GetFormat())
+    switch (data_object->GetFormat().GetType())
     {
         case wxDF_TEXT:
 	{
@@ -179,10 +179,13 @@ selection_clear_clip( GtkWidget *WXUNUSED(widget), GdkEventSelection *event )
     if ((!wxTheClipboard->m_ownsPrimarySelection) &&
         (!wxTheClipboard->m_ownsClipboard))
     {
-        // the clipboard is no longer in our hands. we can the
+        /* the clipboard is no longer in our hands. we can the  clipboard data. */
-        // clipboard data.
       
-        wxTheClipboard->m_dataObjects.Clear();
+        if (wxTheClipboard->m_dataBroker)
+	{
+	    delete wxTheClipboard->m_dataBroker;
+	    wxTheClipboard->m_dataBroker = (wxDataBroker*) NULL;
+	}
     }
   
     return TRUE;
@@ -197,19 +200,21 @@ selection_handler( GtkWidget *WXUNUSED(widget), GtkSelectionData *selection_data
 {
     if (!wxTheClipboard) return;
   
-    wxNode *node = wxTheClipboard->m_dataObjects.First();
+    if (!wxTheClipboard->m_dataBroker) return;
+  
+    wxNode *node = wxTheClipboard->m_dataBroker->m_dataObjects.First();
     
     while (node)
     {
         wxDataObject *data_object = (wxDataObject *)node->Data();
     
-	if (data_object->m_formatAtom != selection_data->target)
+	if (data_object->GetFormat().GetAtom() != selection_data->target)
 	{
 	    node = node->Next();
 	    break;
 	}
 	
-	switch (data_object->GetFormat())
+	switch (data_object->GetFormat().GetType())
 	{
 	    case wxDF_TEXT:
 	    {
@@ -243,14 +248,14 @@ selection_handler( GtkWidget *WXUNUSED(widget), GtkSelectionData *selection_data
             {
 	        wxPrivateDataObject *private_object = (wxPrivateDataObject*) data_object;
 	    
-	        if (private_object->GetDataSize() == 0) return;
+	        if (private_object->GetSize() == 0) return;
 	    
                 gtk_selection_data_set( 
                     selection_data, 
 		    GDK_SELECTION_TYPE_STRING, 
 		    8*sizeof(gchar), 
 		    (unsigned char*) private_object->GetData(), 
-		    (int) private_object->GetDataSize() );
+		    (int) private_object->GetSize() );
 	    }
 	    
 	    default:
@@ -274,7 +279,7 @@ wxClipboard::wxClipboard()
     m_ownsClipboard = FALSE;
     m_ownsPrimarySelection = FALSE;
 
-    m_dataObjects.DeleteContents( TRUE );
+    m_dataBroker = (wxDataBroker*) NULL;
   
     m_receivedData = (wxDataObject*) NULL;
 
@@ -303,7 +308,7 @@ wxClipboard::~wxClipboard()
 
 void wxClipboard::Clear()
 {
-    if (m_dataObjects.GetCount())
+    if (m_dataBroker)
     { 
         /*  As we have data we also own the clipboard. Once we no longer own
             it, clear_selection is called which will set m_data to zero */
@@ -318,7 +323,11 @@ void wxClipboard::Clear()
             gtk_selection_owner_set( (GtkWidget*) NULL, GDK_SELECTION_PRIMARY, GDK_CURRENT_TIME );
         }
     
-        m_dataObjects.Clear();
+        if (m_dataBroker)
+	{
+	    delete m_dataBroker;
+	    m_dataBroker = (wxDataBroker*) NULL;
+	}
     }
   
     m_targetRequested = 0;
@@ -335,63 +344,47 @@ bool wxClipboard::Open()
     return TRUE;
 }
 
-bool wxClipboard::SetData( wxDataObject *data )
+bool wxClipboard::SetData( wxDataBroker *data )
 {
     wxCHECK_MSG( data, FALSE, "data is invalid" );
   
-    wxNode *node = m_dataObjects.First();
+    Clear();
   
-    while (node)
+    m_dataBroker = data;
-    {
-        wxDataObject *d = (wxDataObject*)node->Data();
     
-	if (d->GetFormat() == data->GetFormat())
+    if (!m_dataBroker) return FALSE;
-	{
-	    m_dataObjects.DeleteNode( node );
-	    
-	    break;
-	}
-	
-        node = node->Next();
-    }
-    
-    m_dataObjects.Append( data );
   
     wxCHECK_MSG( m_open, FALSE, "clipboard not open" );
   
-    if (data->GetFormat() == wxDF_PRIVATE)
+    wxNode *node = m_dataBroker->m_dataObjects.First();
+    while (node)
     {
-        wxPrivateDataObject* pd = (wxPrivateDataObject*) data;
+        wxDataObject *dobj = (wxDataObject*)node->Data();
 	
-        wxCHECK_MSG( !pd->GetId().IsEmpty(), FALSE, "private clipboard format requires ID string" );
+	GdkAtom format = dobj->GetFormat().GetAtom();
 	
-        data->m_formatAtom = GetTargetAtom( data->GetFormat(), pd->GetId() );
+	if (format != (GdkAtom) 0)
-    }
-    else
 	{
-        data->m_formatAtom = GetTargetAtom( data->GetFormat() );
+            /* This should happen automatically */
-    }
-    
-    // This should happen automatically
       
             m_ownsClipboard = FALSE;
             m_ownsPrimarySelection = FALSE;
     
-    // Add handlers if someone requests data
+            /* Add handlers if someone requests data */
   
             gtk_selection_add_handler( m_clipboardWidget, 
                                g_clipboardAtom,
-			       data->m_formatAtom,
+			       format,
 			       selection_handler,
-			       NULL );
+			       (gpointer) NULL );
 			       
             gtk_selection_add_handler( m_clipboardWidget, 
                                GDK_SELECTION_PRIMARY,
-			       data->m_formatAtom,
+			       format,
 			       selection_handler,
-			       NULL );
+			       (gpointer) NULL );
 			       
-    // Tell the world we offer clipboard data
+            /* Tell the world we offer clipboard data */
   
             if (!gtk_selection_owner_set( m_clipboardWidget, 
                                   g_clipboardAtom,
@@ -408,6 +401,10 @@ bool wxClipboard::SetData( wxDataObject *data )
                 return FALSE;
             }
             m_ownsPrimarySelection = TRUE;
+	}
+	
+	node = node->Next();
+    }
 			     
     return TRUE;
 }
@@ -419,13 +416,23 @@ void wxClipboard::Close()
     m_open = FALSE;
 }
 
-bool wxClipboard::IsSupportedFormat( wxDataFormat format, const wxString &id )
+bool wxClipboard::GetData( wxDataObject *data )
 {
-    m_targetRequested = GetTargetAtom( format, id );
+    wxCHECK_MSG( m_open, FALSE, "clipboard not open" );
+    
+    m_receivedData = data;
+    
+    wxCHECK_MSG( m_receivedData, FALSE, "invalid data object" );
+    
+    /* STEP ONE: check if there is such data in the clipboard */
+    
+    m_targetRequested = data->GetFormat().GetAtom();
+  
+    wxCHECK_MSG( m_targetRequested, FALSE, "invalid clipboard format" );
     
     if (m_targetRequested == 0) return FALSE;
     
-    // add handler for target (= format) query
+    /* add handler for target (= format) query */
 
     gtk_signal_connect( GTK_OBJECT(m_clipboardWidget), 
                         "selection_received",
@@ -434,8 +441,8 @@ bool wxClipboard::IsSupportedFormat( wxDataFormat format, const wxString &id )
   
     m_formatSupported = FALSE;
   
-    // perform query. this will set m_formatSupported to 
+    /* perform query. this will set m_formatSupported to 
-    // TRUE if m_targetRequested is supported
+     * TRUE if m_targetRequested is supported */
     
     gtk_selection_convert( m_clipboardWidget,
 			   g_clipboardAtom, 
@@ -448,33 +455,7 @@ bool wxClipboard::IsSupportedFormat( wxDataFormat format, const wxString &id )
   
     if (!m_formatSupported) return FALSE;
   
-    return TRUE;
+    /* STEP TWO: get the data from the clipboard */
-}
-
-bool wxClipboard::GetData( wxDataObject *data )
-{
-    wxCHECK_MSG( m_open, FALSE, "clipboard not open" );
-    
-    m_receivedData = data;
-    
-    wxCHECK_MSG( m_receivedData, FALSE, "invalid data object" );
-    
-    if (m_receivedData->GetFormat() == wxDF_PRIVATE)
-    {
-        wxPrivateDataObject* pd = (wxPrivateDataObject*) m_receivedData;
-	
-        wxCHECK_MSG( !pd->GetId().IsEmpty(), FALSE, "private clipboard format requires ID string" );
-	
-        m_targetRequested = GetTargetAtom( m_receivedData->GetFormat(), pd->GetId() );
-    }
-    else
-    {
-        m_targetRequested = GetTargetAtom( m_receivedData->GetFormat() );
-    }
-    
-    data->m_formatAtom = m_targetRequested;
-  
-    wxCHECK_MSG( m_targetRequested, FALSE, "unsupported clipboard format" );
     
     m_formatSupported = FALSE;
   
@@ -492,45 +473,13 @@ bool wxClipboard::GetData( wxDataObject *data )
 		                   GTK_SIGNAL_FUNC( selection_received ),
 		                   (gpointer) this );
 
+    /* this is a true error as we checked for the presence of such data before */
+
     wxCHECK_MSG( m_formatSupported, FALSE, "error retrieving data from clipboard" );
   
     return TRUE;
 }
 
-GdkAtom wxClipboard::GetTargetAtom( wxDataFormat format, const wxString &id )
-{
-    // What is X representation of that format?
-  
-    switch (format)
-    {
-        case wxDF_TEXT:
-        {
-            return GDK_TARGET_STRING;
-				// g_textAtom
-        }
-      
-        case wxDF_BITMAP:
-        {
-            return GDK_TARGET_BITMAP;
-            break;
-        }
-      
-        case wxDF_PRIVATE:
-        {
-            // we create our own X representation
-    
-            return gdk_atom_intern( WXSTRINGCAST( id ), FALSE );
-        }
-	
-	default:
-	{
-	    return (GdkAtom) 0;
-	}
-    }
-	
-    return (GdkAtom) 0;
-}
-
 //-----------------------------------------------------------------------------
 // wxClipboardModule
 //-----------------------------------------------------------------------------

src/gtk/dataobj.cpp

@@ -13,6 +13,230 @@
 
 #include "wx/dataobj.h"
 #include "wx/app.h"
+#include "wx/debug.h"
+
+#include "gdk/gdk.h"
+
+//-------------------------------------------------------------------------
+// wxDataFormat
+//-------------------------------------------------------------------------
+
+IMPLEMENT_CLASS(wxDataFormat, wxObject)
+
+wxDataFormat::wxDataFormat( wxDataType type )
+{
+    m_type = type;
+    
+    if (m_type == wxDF_TEXT)
+    {
+        m_id = "STRING";
+    } 
+    else
+    if (m_type == wxDF_BITMAP)
+    {
+        m_id = "BITMAP";
+    } 
+    else
+    if (m_type == wxDF_FILENAME)
+    {
+        m_id = "file:ALL";
+    }
+    else
+    {
+       wxFAIL_MSG( "invalid dataformat" )
+    }
+    
+    m_hasAtom = FALSE;
+}
+
+wxDataFormat::wxDataFormat( const wxString &id )
+{
+    m_type = wxDF_PRIVATE;
+    m_id = id;
+    m_hasAtom = FALSE;
+}
+
+wxDataFormat::wxDataFormat( wxDataFormat &format )
+{
+    m_type = format.GetType();
+    m_id = format.GetId();
+    m_hasAtom = TRUE;
+    m_atom = format.GetAtom();
+}
+
+wxDataFormat::wxDataFormat( const GdkAtom atom )
+{
+    m_hasAtom = TRUE;
+    
+    m_atom = atom;
+    
+    if (m_atom == GDK_TARGET_STRING)
+    {
+        m_type = wxDF_TEXT;
+    } else
+    if (m_atom == GDK_TARGET_BITMAP)
+    {
+        m_type = wxDF_BITMAP;
+    } else
+    {
+        m_type = wxDF_PRIVATE;
+	m_id = gdk_atom_name( m_atom );
+	
+	if (m_id == "file:ALL")
+	{
+	    m_type = wxDF_FILENAME;
+	}
+    }
+}
+
+int wxDataFormat::GetType() const
+{
+    return m_type;
+}
+
+wxString wxDataFormat::GetId() const
+{
+    return m_id;
+}
+
+void wxDataFormat::SetId( const wxString &id )
+{
+    m_type = wxDF_PRIVATE;
+    m_id = id;
+    m_hasAtom = FALSE;
+}
+
+GdkAtom wxDataFormat::GetAtom()
+{
+    if (!m_hasAtom)
+    {
+        m_hasAtom = TRUE;
+	
+	if (m_type == wxDF_TEXT)
+	{
+            m_atom = GDK_TARGET_STRING;
+        } 
+	else
+        if (m_type == wxDF_BITMAP)
+        {
+            m_atom = GDK_TARGET_BITMAP;
+        } 
+	else
+        if (m_type == wxDF_PRIVATE)
+        {
+            m_atom = gdk_atom_intern( WXSTRINGCAST( m_id ), FALSE );
+        } 
+	else
+	if (m_type == wxDF_FILENAME)
+	{
+	    m_atom = gdk_atom_intern( "file:ALL", FALSE );
+	} 
+	else
+	{
+	    m_hasAtom = FALSE;
+	    m_atom = (GdkAtom) 0;
+	}
+    }
+    
+    return m_atom;
+}
+
+//-------------------------------------------------------------------------
+// wxDataBroker
+//-------------------------------------------------------------------------
+
+IMPLEMENT_CLASS(wxDataBroker,wxObject)
+
+wxDataBroker::wxDataBroker() 
+{ 
+    m_dataObjects.DeleteContents(TRUE);
+    m_preferred = 0;
+}
+
+void wxDataBroker::Add( wxDataObject *dataObject, bool preferred )
+{ 
+    if (preferred) m_preferred = m_dataObjects.GetCount();
+    m_dataObjects.Append( dataObject );
+}  
+  
+size_t wxDataBroker::GetFormatCount() const
+{ 
+    return m_dataObjects.GetCount(); 
+}
+    
+wxDataFormat &wxDataBroker::GetPreferredFormat() const
+{ 
+    wxNode *node = m_dataObjects.Nth( m_preferred );
+    
+    wxASSERT( node );
+    
+    wxDataObject* data_obj = (wxDataObject*)node->Data();
+    
+    return data_obj->GetFormat();
+}
+    
+wxDataFormat &wxDataBroker::GetNthFormat( size_t nth ) const
+{ 
+    wxNode *node = m_dataObjects.Nth( nth );
+
+    wxASSERT( node );
+    
+    wxDataObject* data_obj = (wxDataObject*)node->Data();
+    
+    return data_obj->GetFormat();
+}
+    
+bool wxDataBroker::IsSupportedFormat( wxDataFormat &format ) const
+{ 
+    wxNode *node = m_dataObjects.First();
+    while (node)
+    {
+        wxDataObject *dobj = (wxDataObject*)node->Data();
+	
+	if (dobj->GetFormat().GetAtom() == format.GetAtom())
+	{
+	    return TRUE;
+	}
+    
+        node = node->Next();
+    }
+    
+    return FALSE;
+}
+  
+size_t wxDataBroker::GetSize( wxDataFormat& format ) const
+{
+    wxNode *node = m_dataObjects.First();
+    while (node)
+    {
+        wxDataObject *dobj = (wxDataObject*)node->Data();
+	
+	if (dobj->GetFormat().GetAtom() == format.GetAtom())
+	{
+	    return dobj->GetSize();
+	}
+    
+        node = node->Next();
+    }
+    
+    return 0;
+}
+    
+void wxDataBroker::WriteData( wxDataFormat& format, void *dest ) const
+{
+    wxNode *node = m_dataObjects.First();
+    while (node)
+    {
+        wxDataObject *dobj = (wxDataObject*)node->Data();
+	
+	if (dobj->GetFormat().GetAtom() == format.GetAtom())
+	{
+	    return dobj->WriteData( dest );
+	}
+    
+        node = node->Next();
+    }
+}
 
 //-------------------------------------------------------------------------
 // wxDataObject
@@ -20,24 +244,141 @@
 
 IMPLEMENT_ABSTRACT_CLASS( wxDataObject, wxObject )
 
+wxDataObject::wxDataObject()
+{
+    m_format = (wxDataFormat*) NULL;
+}
+  
+wxDataObject::~wxDataObject()
+{
+    if (m_format) delete m_format;
+}
+
+wxDataFormat &wxDataObject::GetFormat() const
+{
+    wxASSERT( m_format );
+
+    return (*m_format);
+}
+
 // ----------------------------------------------------------------------------
 // wxTextDataObject
 // ----------------------------------------------------------------------------
 
 IMPLEMENT_DYNAMIC_CLASS( wxTextDataObject, wxDataObject )
 
+wxTextDataObject::wxTextDataObject()
+{
+    m_format = new wxDataFormat( wxDF_TEXT );
+}
+
+wxTextDataObject::wxTextDataObject( const wxString& data )
+{
+    m_format = new wxDataFormat( wxDF_TEXT );
+    
+    m_data = data;
+}
+
+void wxTextDataObject::SetText( const wxString& data ) 
+{
+    m_data = data;
+}
+
+wxString wxTextDataObject::GetText() const
+{
+    return m_data;
+}
+
+void wxTextDataObject::WriteData( void *dest ) const
+{
+    WriteString( m_data, dest );
+}
+
+size_t wxTextDataObject::GetSize() const
+{
+    return m_data.Len() + 1;
+}
+
+void wxTextDataObject::WriteString( const wxString &str, void *dest ) const
+{
+    memcpy( dest, m_data.c_str(), GetSize() );
+}
+    
 // ----------------------------------------------------------------------------
 // wxFileDataObject
 // ----------------------------------------------------------------------------
 
 IMPLEMENT_DYNAMIC_CLASS( wxFileDataObject, wxDataObject )
 
+wxFileDataObject::wxFileDataObject(void)
+{
+    m_format = new wxDataFormat( wxDF_FILENAME );
+}
+
+void wxFileDataObject::AddFile( const wxString &file )
+{ 
+    m_files += file; 
+    m_files += (char)0; 
+}
+    
+wxString wxFileDataObject::GetFiles() const
+{ 
+    return m_files; 
+}
+    
+void wxFileDataObject::WriteData( void *dest ) const
+{
+    memcpy( dest, m_files.c_str(), GetSize() );
+}
+ 
+size_t wxFileDataObject::GetSize() const
+{
+    return m_files.Len() + 1;
+}
+  
 // ----------------------------------------------------------------------------
 // wxBitmapDataObject
 // ----------------------------------------------------------------------------
 
 IMPLEMENT_DYNAMIC_CLASS( wxBitmapDataObject, wxDataObject )
 
+wxBitmapDataObject::wxBitmapDataObject()
+{
+    m_format = new wxDataFormat( wxDF_BITMAP );
+}
+
+wxBitmapDataObject::wxBitmapDataObject( const wxBitmap& bitmap )
+{
+    m_format = new wxDataFormat( wxDF_BITMAP );
+    
+    m_bitmap = bitmap;
+}
+
+void wxBitmapDataObject::SetBitmap( const wxBitmap &bitmap )
+{
+    m_bitmap = bitmap;
+}
+
+wxBitmap wxBitmapDataObject::GetBitmap() const
+{
+    return m_bitmap;
+}
+
+void wxBitmapDataObject::WriteData( void *dest ) const
+{
+    WriteBitmap( m_bitmap, dest );
+}
+
+size_t wxBitmapDataObject::GetSize() const
+{
+    return 0;
+}
+
+void wxBitmapDataObject::WriteBitmap( const wxBitmap &bitmap, void *dest ) const
+{
+    memcpy( dest, m_bitmap.GetPixmap(), GetSize() );
+}
+    
 // ----------------------------------------------------------------------------
 // wxPrivateDataObject
 // ----------------------------------------------------------------------------
@@ -46,9 +387,13 @@ IMPLEMENT_DYNAMIC_CLASS( wxPrivateDataObject, wxDataObject )
 
 wxPrivateDataObject::wxPrivateDataObject() 
 { 
+    m_id = "application/";
+    m_id += wxTheApp->GetAppName();
+    
+    m_format = new wxDataFormat( m_id );
+    
     m_size = 0; 
     m_data = (char*) NULL; 
-    m_id = wxTheApp->GetAppName();
 }
     
 wxPrivateDataObject::~wxPrivateDataObject()
@@ -56,6 +401,17 @@ wxPrivateDataObject::~wxPrivateDataObject()
     if (m_data) delete[] m_data; 
 }
   
+void wxPrivateDataObject::SetId( const wxString& id )
+{ 
+    m_id = id;
+    m_format->SetId( m_id );
+}
+    
+wxString wxPrivateDataObject::GetId() const
+{ 
+    return m_id; 
+}
+
 void wxPrivateDataObject::SetData( const char *data, size_t size )
 {
     m_size = size;
@@ -67,3 +423,23 @@ void wxPrivateDataObject::SetData( const char *data, size_t size )
     memcpy( m_data, data, size );  
 }
 
+char* wxPrivateDataObject::GetData() const
+{
+    return m_data;
+}
+
+void wxPrivateDataObject::WriteData( void *dest ) const
+{
+    WriteData( m_data, dest );
+}
+
+size_t wxPrivateDataObject::GetSize() const
+{
+   return m_size;
+}
+
+void wxPrivateDataObject::WriteData( const char *data, void *dest ) const
+{
+    memcpy( dest, data, GetSize() );
+}
+

src/gtk/dialog.cpp

@@ -134,7 +134,16 @@ bool wxDialog::Create( wxWindow *parent,
 wxDialog::~wxDialog()
 {
     wxTopLevelWindows.DeleteObject( this );
-    if (wxTopLevelWindows.Number() == 0) wxTheApp->ExitMainLoop();
+    
+    if (wxTheApp->GetTopWindow() == this)
+    {
+        wxTheApp->SetTopWindow( (wxWindow*) NULL );
+    }
+    
+    if (wxTopLevelWindows.Number() == 0)
+    {  
+        wxTheApp->ExitMainLoop();
+    }
 }
 
 void wxDialog::SetTitle( const wxString& title )

src/gtk/dnd.cpp

@@ -171,8 +171,7 @@ void wxDropTarget::RegisterWidget( GtkWidget *widget )
 	break;
       case wxDF_PRIVATE:
         wxPrivateDropTarget *pdt = (wxPrivateDropTarget *)this;
-        strcpy( buf, "applications/" );
+	strcpy( buf, WXSTRINGCAST pdt->GetID() );
-	strcat( buf, WXSTRINGCAST pdt->GetID() );
         format.target = buf;
 	valid++;
       default:
@@ -533,10 +532,17 @@ static void gtk_target_callback( GtkWidget *widget,
 
 wxDropTarget::wxDropTarget()
 {
+    m_format = (wxDataFormat*) NULL;
 }
 
 wxDropTarget::~wxDropTarget()
 {
+    if (m_format) delete m_format;
+}
+
+wxDataFormat &wxDropTarget::GetFormat(size_t n) const
+{
+    return (*m_format);
 }
 
 void wxDropTarget::UnregisterWidget( GtkWidget *widget )
@@ -556,8 +562,7 @@ void wxDropTarget::RegisterWidget( GtkWidget *widget )
   
     for ( size_t i = 0; i < GetFormatCount(); i++ )
     {
-        wxDataFormat df = GetFormat( i );
+        switch (GetFormat(i).GetType()) 
-        switch (df) 
         {
             case wxDF_TEXT:
 	    {
@@ -577,7 +582,6 @@ void wxDropTarget::RegisterWidget( GtkWidget *widget )
 	    {
 	        if (i > 0) formats += ";";
                 wxPrivateDropTarget *pdt = (wxPrivateDropTarget *)this;
-                formats += "applications/";
                 formats += pdt->GetId();
 	        valid++;
 		break;
@@ -605,6 +609,11 @@ void wxDropTarget::RegisterWidget( GtkWidget *widget )
 // wxTextDropTarget
 // ----------------------------------------------------------------------------
 
+wxTextDropTarget::wxTextDropTarget()
+{
+    m_format = new wxDataFormat( wxDF_TEXT );
+}
+
 bool wxTextDropTarget::OnDrop( long x, long y, const void *data, size_t WXUNUSED(size) )
 {
     OnDropText( x, y, (const char*)data );
@@ -625,11 +634,6 @@ size_t wxTextDropTarget::GetFormatCount() const
     return 1;
 }
 
-wxDataFormat wxTextDropTarget::GetFormat(size_t WXUNUSED(n)) const
-{
-    return wxDF_TEXT;
-}
-
 // ----------------------------------------------------------------------------
 // wxPrivateDropTarget
 // ----------------------------------------------------------------------------
@@ -637,6 +641,13 @@ wxDataFormat wxTextDropTarget::GetFormat(size_t WXUNUSED(n)) const
 wxPrivateDropTarget::wxPrivateDropTarget()
 {
     m_id = wxTheApp->GetAppName();
+    m_format = new wxDataFormat( m_id );
+}
+
+void wxPrivateDropTarget::SetId( const wxString& id )
+{
+    m_id = id;
+    m_format->SetId( id );
 }
 
 size_t wxPrivateDropTarget::GetFormatCount() const
@@ -644,15 +655,15 @@ size_t wxPrivateDropTarget::GetFormatCount() const
     return 1;
 }
 
-wxDataFormat wxPrivateDropTarget::GetFormat(size_t WXUNUSED(n)) const
-{
-    return wxDF_PRIVATE;
-}
-
 // ----------------------------------------------------------------------------
 // wxFileDropTarget
 // ----------------------------------------------------------------------------
 
+wxFileDropTarget::wxFileDropTarget()
+{
+    m_format = new wxDataFormat( wxDF_FILENAME );
+}    
+
 bool wxFileDropTarget::OnDropFiles( long x, long y, size_t nFiles, const char * const aszFiles[] )
 {
     printf( "Got %d dropped files.\n", (int)nFiles );
@@ -698,11 +709,6 @@ size_t wxFileDropTarget::GetFormatCount() const
     return 1;
 }
 
-wxDataFormat wxFileDropTarget::GetFormat(size_t WXUNUSED(n)) const
-{
-    return wxDF_FILENAME;
-}
-
 //-------------------------------------------------------------------------
 // wxDropSource
 //-------------------------------------------------------------------------
@@ -712,64 +718,76 @@ shape_motion (GtkWidget      *widget,
 	      GdkEventMotion * /*event*/);
 	      
 //-----------------------------------------------------------------------------
-// drag request
+// "drag_request_event"
+//-----------------------------------------------------------------------------
 
-void gtk_drag_callback( GtkWidget *widget, GdkEvent *event, wxDropSource *source )
+void gtk_drag_callback( GtkWidget *widget, GdkEventDragRequest *event, wxDropSource *source )
 {
-    wxDataObject *data = source->m_data;
+    wxDataBroker *data = source->m_data;
     
-    switch (data->GetFormat())
+    if (!data) return;
+    
+    wxNode *node = data->m_dataObjects.First();
     {
-        case wxDF_PRIVATE:
+        wxDataObject *dobj = (wxDataObject*) node->Data();
+	
+	if ((strcmp(event->data_type,"file:ALL") == 0) &&
+	    (dobj->GetFormat().GetType() == wxDF_FILENAME))
 	{
-            wxPrivateDataObject *pdo = (wxPrivateDataObject*) data;
+	    wxFileDataObject *file_object = (wxFileDataObject*) dobj;
-	    
-            gtk_widget_dnd_data_set( widget, 
-	                             event,
-				     (unsigned char*) pdo->GetData(), 
-				     (int) pdo->GetDataSize() );
-	    
-	    break;
-	}
-        case wxDF_TEXT:
-	{
-	    wxTextDataObject *text_object = (wxTextDataObject*) data;
-	    
-	    wxString text = text_object->GetText();
-	    
-	    char *s = WXSTRINGCAST text;
-	    
-            gtk_widget_dnd_data_set( widget, 
-	                             event, 
-				     (unsigned char*) s, 
-				     (int) text.Length()+1 );
-	
-	    break;
-	}
-	
-        case wxDF_FILENAME:
-	{
-	    wxFileDataObject *file_object = (wxFileDataObject*) data;
 	    
 	    wxString text = file_object->GetFiles();
 	    
 	    char *s = WXSTRINGCAST text;
 	    
             gtk_widget_dnd_data_set( widget, 
-	                             event, 
+	                             (GdkEvent*)event, 
 				     (unsigned char*) s, 
 				     (int) text.Length()+1 );
 	
-	    break;
+            source->m_retValue = wxDragCopy;
+	    
+	    return;
 	}
 	
-	default:
+	if ((strcmp(event->data_type,"text/plain") == 0) &&
+	    (dobj->GetFormat().GetType() == wxDF_TEXT))
 	{
+	    wxTextDataObject *text_object = (wxTextDataObject*) dobj;
+	    
+	    wxString text = text_object->GetText();
+	    
+	    char *s = WXSTRINGCAST text;
+	    
+            gtk_widget_dnd_data_set( widget, 
+	                             (GdkEvent*)event, 
+				     (unsigned char*) s, 
+				     (int) text.Length()+1 );
+	
+            source->m_retValue = wxDragCopy;
+	    
+	    return;
+	}
+	
+	if (dobj->GetFormat().GetType() == wxDF_PRIVATE)
+	{
+            wxPrivateDataObject *pdo = (wxPrivateDataObject*) dobj;
+	    
+	    if (pdo->GetId() == event->data_type)
+	    {
+                gtk_widget_dnd_data_set( widget, 
+	                             (GdkEvent*)event,
+				     (unsigned char*) pdo->GetData(), 
+				     (int) pdo->GetSize() );
+				     
+                source->m_retValue = wxDragCopy;
+	    
 		return;
 	    }
 	}
 	
-  source->m_retValue = wxDragCopy;
+	node = node->Next();
+   }
 }
 
 wxDropSource::wxDropSource( wxWindow *win )
@@ -780,14 +798,14 @@ wxDropSource::wxDropSource( wxWindow *win )
     m_widget = win->m_widget;
     if (win->m_wxwindow) m_widget = win->m_wxwindow;
   
-    m_data = (wxDataObject *) NULL;
+    m_data = (wxDataBroker*) NULL;
     m_retValue = wxDragCancel;
 
     m_defaultCursor = wxCursor( wxCURSOR_NO_ENTRY );
     m_goaheadCursor = wxCursor( wxCURSOR_HAND );
 }
 
-wxDropSource::wxDropSource( wxDataObject &data, wxWindow *win )
+wxDropSource::wxDropSource( wxDataObject *data, wxWindow *win )
 {
     g_blockEventsOnDrag = TRUE;
   
@@ -796,20 +814,60 @@ wxDropSource::wxDropSource( wxDataObject &data, wxWindow *win )
     if (win->m_wxwindow) m_widget = win->m_wxwindow;
     m_retValue = wxDragCancel;
   
-    m_data = &data;
+    if (data)
+    {
+        m_data = new wxDataBroker();
+	m_data->Add( data );
+    }
+    else
+    {
+        m_data = (wxDataBroker*) NULL;
+    }
 
     m_defaultCursor = wxCursor( wxCURSOR_NO_ENTRY );
     m_goaheadCursor = wxCursor( wxCURSOR_HAND );
 }
 
-void wxDropSource::SetData( wxDataObject &data )
+wxDropSource::wxDropSource( wxDataBroker *data, wxWindow *win )
 {
-    m_data = &data;  
+    g_blockEventsOnDrag = TRUE;
+  
+    m_window = win;
+    m_widget = win->m_widget;
+    if (win->m_wxwindow) m_widget = win->m_wxwindow;
+    m_retValue = wxDragCancel;
+  
+    m_data = data;
+
+    m_defaultCursor = wxCursor( wxCURSOR_NO_ENTRY );
+    m_goaheadCursor = wxCursor( wxCURSOR_HAND );
+}
+
+void wxDropSource::SetData( wxDataObject *data )
+{
+    if (m_data) delete m_data;
+    
+    if (data)
+    {
+        m_data = new wxDataBroker();
+	m_data->Add( data );
+    }
+    else
+    {
+        m_data = (wxDataBroker*) NULL;
+    }
+}
+
+void wxDropSource::SetData( wxDataBroker *data )
+{
+    if (m_data) delete m_data;
+    
+    m_data = data;
 }
 
 wxDropSource::~wxDropSource(void)
 {
-//    if (m_data) delete m_data;
+    if (m_data) delete m_data;
 
     g_blockEventsOnDrag = FALSE;
 }
@@ -926,9 +984,12 @@ void wxDropSource::RegisterWindow(void)
 
     wxString formats;
     
-    wxDataFormat df = m_data->GetFormat();
+    wxNode *node = m_data->m_dataObjects.First();
+    while (node)
+    {
+        wxDataObject* dobj = (wxDataObject*) node->Data();
     
-    switch (df) 
+        switch (dobj->GetFormat().GetType()) 
         {
             case wxDF_TEXT:
 	    { 
@@ -943,13 +1004,14 @@ void wxDropSource::RegisterWindow(void)
             case wxDF_PRIVATE:
 	    {
 	          wxPrivateDataObject* pdo = (wxPrivateDataObject*) m_data;
-	    formats += "applications/";
 	          formats += pdo->GetId();
 	          break;
 	    }
             default:
               break;
 	}
+	node = node->Next();
+    }
   
     char *str = WXSTRINGCAST formats;
   

src/gtk/frame.cpp

@@ -193,7 +193,16 @@ wxFrame::~wxFrame()
     if (m_frameToolBar) delete m_frameToolBar;
 
     wxTopLevelWindows.DeleteObject( this );
-    if (wxTopLevelWindows.Number() == 0) wxTheApp->ExitMainLoop();
+    
+    if (wxTheApp->GetTopWindow() == this)
+    {
+        wxTheApp->SetTopWindow( (wxWindow*) NULL );
+    }
+    
+    if (wxTopLevelWindows.Number() == 0)
+    {  
+        wxTheApp->ExitMainLoop();
+    }
 }
 
 bool wxFrame::Show( bool show )

src/gtk1/app.cpp

@@ -19,6 +19,7 @@
 #include "wx/memory.h"
 #include "wx/font.h"
 #include "wx/settings.h"
+#include "wx/dialog.h"
 #if wxUSE_WX_RESOURCES
 #include "wx/resource.h"
 #endif
@@ -158,11 +159,14 @@ gint wxapp_idle_callback( gpointer WXUNUSED(data) )
 
 wxApp::wxApp()
 {
-    m_idleTag = 0;
+    wxTheApp = this;
+    
     m_topWindow = (wxWindow *) NULL;
     m_exitOnFrameDelete = TRUE;
+    
+    m_idleTag = gtk_idle_add( wxapp_idle_callback, (gpointer) NULL );
+    
     m_colorCube = (unsigned char*) NULL;
-    wxTheApp = this;
 }
 
 wxApp::~wxApp(void)
@@ -172,7 +176,7 @@ wxApp::~wxApp(void)
     if (m_colorCube) free(m_colorCube);
 }
 
-bool wxApp::InitVisual()
+bool wxApp::OnInitGui()
 {
     /* Nothing to do for 15, 16, 24, 32 bit displays */
 
@@ -183,7 +187,8 @@ bool wxApp::InitVisual()
            in the GNOME libraries. it ensures that all GNOME applications
            use the same 64 colormap entries on 8-bit displays so you
            can use several rather graphics-heavy applications at the
-       same time */
+           same time.
+	   NOTE: this doesn't really seem to work this way... */
 
         /*
         GdkColormap *cmap = gdk_colormap_new( gdk_visual_get_system(), TRUE );
@@ -236,26 +241,10 @@ bool wxApp::InitVisual()
 	}
     }
 
-    return TRUE;
-}
-
-bool wxApp::OnInitGui(void)
-{
-    m_idleTag = gtk_idle_add( wxapp_idle_callback, NULL );
     
     return TRUE;
 }
 
-bool wxApp::OnInit(void)
-{
-    return TRUE;
-}
-
-int wxApp::OnRun(void)
-{
-    return MainLoop();
-}
-
 bool wxApp::ProcessIdle(void)
 {
     wxIdleEvent event;
@@ -330,11 +319,6 @@ bool wxApp::SendIdleEvents( wxWindow* win )
     return needMore ;
 }
 
-int wxApp::OnExit(void)
-{
-    return 0;
-}
-
 int wxApp::MainLoop(void)
 {
     gtk_main();
@@ -389,8 +373,12 @@ void wxApp::SetTopWindow( wxWindow *win )
     m_topWindow = win;
 }
 
-void wxApp::CommonInit(void)
+bool wxApp::Initialize(void)
 {
+    wxBuffer = new char[BUFSIZ + 512];
+
+    wxClassInfo::InitializeClasses();
+    
     wxSystemSettings::Init();
   
     wxTheFontNameDirectory =  new wxFontNameDirectory;
@@ -410,18 +398,18 @@ void wxApp::CommonInit(void)
 
     wxImage::InitStandardHandlers();
 
-//  g_globalCursor = new wxCursor;
+    /* no global cursor under X
+       g_globalCursor = new wxCursor; */
+       
+    wxModule::RegisterModules();
+    if (!wxModule::InitializeModules()) return FALSE;
+    
+    return TRUE;
 }
 
-void wxApp::CommonCleanUp(void)
+void wxApp::CleanUp(void)
 {
-    if (wxTheColourDatabase) delete wxTheColourDatabase;
+    wxModule::CleanUpModules();
-    wxTheColourDatabase = (wxColourDatabase*) NULL;
-    
-    if (wxTheFontNameDirectory) delete wxTheFontNameDirectory;
-    wxTheFontNameDirectory = (wxFontNameDirectory*) NULL;
-    
-    wxDeleteStockObjects();
 
 #if wxUSE_WX_RESOURCES
     wxFlushResources();
@@ -432,11 +420,42 @@ void wxApp::CommonCleanUp(void)
     wxCleanUpResourceSystem();
 #endif
 
+    if (wxTheColourDatabase) delete wxTheColourDatabase;
+    wxTheColourDatabase = (wxColourDatabase*) NULL;
+    
+    if (wxTheFontNameDirectory) delete wxTheFontNameDirectory;
+    wxTheFontNameDirectory = (wxFontNameDirectory*) NULL;
+    
+    wxDeleteStockObjects();
+
     wxDeleteStockLists();
 
     wxImage::CleanUpHandlers();
 
+    delete wxTheApp;
+    wxTheApp = (wxApp*) NULL;
+
+    /* check for memory leaks */
+#if (defined(__WXDEBUG__) && wxUSE_MEMORY_TRACING) || wxUSE_DEBUG_CONTEXT
+    if (wxDebugContext::CountObjectsLeft() > 0)
+    {
+        wxLogDebug("There were memory leaks.\n");
+        wxDebugContext::Dump();
+        wxDebugContext::PrintStatistics();
+    }
+#endif
+
+    /* do this as the very last thing because everything else can log messages */
+    wxLog::DontCreateOnDemand();
+    
+    wxLog *oldLog = wxLog::SetActiveTarget( (wxLog*) NULL );
+    if (oldLog) delete oldLog;
+
     wxSystemSettings::Done();
+    
+    wxClassInfo::CleanUpClasses();
+
+    delete[] wxBuffer;
 }
 
 wxLog *wxApp::CreateLogTarget()
@@ -450,10 +469,11 @@ wxLog *wxApp::CreateLogTarget()
 
 int wxEntry( int argc, char *argv[] )
 {
-    wxBuffer = new char[BUFSIZ + 512];
+    gtk_set_locale();
 
-    wxClassInfo::InitializeClasses();
+    gtk_init( &argc, &argv );
 
+    if (!wxApp::Initialize()) return 0;
 
     if (!wxTheApp)
     {
@@ -485,22 +505,11 @@ int wxEntry( int argc, char *argv[] )
     wxStripExtension( name );
     wxTheApp->SetAppName( name );
 
-    gtk_set_locale();
-
-    gtk_init( &argc, &argv );
-
-    if (!wxTheApp->InitVisual()) return 0;
-
-    wxApp::CommonInit();
-
     if (!wxTheApp->OnInitGui()) return 0;
 
-    wxModule::RegisterModules();
+    /* Here frames insert themselves automatically
-    if (!wxModule::InitializeModules()) return FALSE;
+     * into wxTopLevelWindows by getting created
-    
+     * in OnInit(). */
-    // Here frames insert themselves automatically
-    // into wxTopLevelWindows by getting created
-    // in OnInit().
 
     if (!wxTheApp->OnInit()) return 0;
 
@@ -510,34 +519,31 @@ int wxEntry( int argc, char *argv[] )
 
     if (wxTheApp->Initialized()) retValue = wxTheApp->OnRun();
 
+    wxWindow *topWindow = wxTheApp->GetTopWindow();
+    if (topWindow)
+    {
+        /* Forcibly delete the window. */
+        if (topWindow->IsKindOf(CLASSINFO(wxFrame)) ||
+            topWindow->IsKindOf(CLASSINFO(wxDialog)) )
+        {
+            topWindow->Close( TRUE );
             wxTheApp->DeletePendingObjects();
+        }
+        else
+        {
+            delete topWindow;
+            wxTheApp->SetTopWindow( (wxWindow*) NULL );
+        }
+    }
 
     wxTheApp->OnExit();
 
-    wxModule::CleanUpModules();
+    /* flush the logged messages if any */
+    wxLog *log = wxLog::GetActiveTarget();
+    if (log != NULL && log->HasPendingMessages())
+        log->Flush();
 
-    wxApp::CommonCleanUp();
+    wxApp::CleanUp();
-
-    delete wxTheApp;
-    wxTheApp = (wxApp*) NULL;
-
-    wxClassInfo::CleanUpClasses();
-
-    delete[] wxBuffer;
-
-#if (defined(__WXDEBUG__) && wxUSE_MEMORY_TRACING) || wxUSE_DEBUG_CONTEXT
-
-    if (wxDebugContext::CountObjectsLeft() > 0)
-    {
-        wxLogDebug("There were memory leaks.\n");
-        wxDebugContext::Dump();
-        wxDebugContext::PrintStatistics();
-    }
-
-#endif
-
-    wxLog *oldLog = wxLog::SetActiveTarget( (wxLog*) NULL );
-    if (oldLog) delete oldLog;
 
     return retValue;
 }

src/gtk1/clipbrd.cpp

@@ -104,12 +104,12 @@ selection_received( GtkWidget *WXUNUSED(widget),
   
     // make sure we got the data in the correct format
     
-    if (data_object->m_formatAtom != selection_data->target) return;
+    if (data_object->GetFormat().GetAtom() != selection_data->target) return;
     
     // make sure we got the data in the correct form (selection type).
     // if so, copy data to target object
     
-    switch (data_object->GetFormat())
+    switch (data_object->GetFormat().GetType())
     {
         case wxDF_TEXT:
 	{
@@ -179,10 +179,13 @@ selection_clear_clip( GtkWidget *WXUNUSED(widget), GdkEventSelection *event )
     if ((!wxTheClipboard->m_ownsPrimarySelection) &&
         (!wxTheClipboard->m_ownsClipboard))
     {
-        // the clipboard is no longer in our hands. we can the
+        /* the clipboard is no longer in our hands. we can the  clipboard data. */
-        // clipboard data.
       
-        wxTheClipboard->m_dataObjects.Clear();
+        if (wxTheClipboard->m_dataBroker)
+	{
+	    delete wxTheClipboard->m_dataBroker;
+	    wxTheClipboard->m_dataBroker = (wxDataBroker*) NULL;
+	}
     }
   
     return TRUE;
@@ -197,19 +200,21 @@ selection_handler( GtkWidget *WXUNUSED(widget), GtkSelectionData *selection_data
 {
     if (!wxTheClipboard) return;
   
-    wxNode *node = wxTheClipboard->m_dataObjects.First();
+    if (!wxTheClipboard->m_dataBroker) return;
+  
+    wxNode *node = wxTheClipboard->m_dataBroker->m_dataObjects.First();
     
     while (node)
     {
         wxDataObject *data_object = (wxDataObject *)node->Data();
     
-	if (data_object->m_formatAtom != selection_data->target)
+	if (data_object->GetFormat().GetAtom() != selection_data->target)
 	{
 	    node = node->Next();
 	    break;
 	}
 	
-	switch (data_object->GetFormat())
+	switch (data_object->GetFormat().GetType())
 	{
 	    case wxDF_TEXT:
 	    {
@@ -243,14 +248,14 @@ selection_handler( GtkWidget *WXUNUSED(widget), GtkSelectionData *selection_data
             {
 	        wxPrivateDataObject *private_object = (wxPrivateDataObject*) data_object;
 	    
-	        if (private_object->GetDataSize() == 0) return;
+	        if (private_object->GetSize() == 0) return;
 	    
                 gtk_selection_data_set( 
                     selection_data, 
 		    GDK_SELECTION_TYPE_STRING, 
 		    8*sizeof(gchar), 
 		    (unsigned char*) private_object->GetData(), 
-		    (int) private_object->GetDataSize() );
+		    (int) private_object->GetSize() );
 	    }
 	    
 	    default:
@@ -274,7 +279,7 @@ wxClipboard::wxClipboard()
     m_ownsClipboard = FALSE;
     m_ownsPrimarySelection = FALSE;
 
-    m_dataObjects.DeleteContents( TRUE );
+    m_dataBroker = (wxDataBroker*) NULL;
   
     m_receivedData = (wxDataObject*) NULL;
 
@@ -303,7 +308,7 @@ wxClipboard::~wxClipboard()
 
 void wxClipboard::Clear()
 {
-    if (m_dataObjects.GetCount())
+    if (m_dataBroker)
     { 
         /*  As we have data we also own the clipboard. Once we no longer own
             it, clear_selection is called which will set m_data to zero */
@@ -318,7 +323,11 @@ void wxClipboard::Clear()
             gtk_selection_owner_set( (GtkWidget*) NULL, GDK_SELECTION_PRIMARY, GDK_CURRENT_TIME );
         }
     
-        m_dataObjects.Clear();
+        if (m_dataBroker)
+	{
+	    delete m_dataBroker;
+	    m_dataBroker = (wxDataBroker*) NULL;
+	}
     }
   
     m_targetRequested = 0;
@@ -335,63 +344,47 @@ bool wxClipboard::Open()
     return TRUE;
 }
 
-bool wxClipboard::SetData( wxDataObject *data )
+bool wxClipboard::SetData( wxDataBroker *data )
 {
     wxCHECK_MSG( data, FALSE, "data is invalid" );
   
-    wxNode *node = m_dataObjects.First();
+    Clear();
   
-    while (node)
+    m_dataBroker = data;
-    {
-        wxDataObject *d = (wxDataObject*)node->Data();
     
-	if (d->GetFormat() == data->GetFormat())
+    if (!m_dataBroker) return FALSE;
-	{
-	    m_dataObjects.DeleteNode( node );
-	    
-	    break;
-	}
-	
-        node = node->Next();
-    }
-    
-    m_dataObjects.Append( data );
   
     wxCHECK_MSG( m_open, FALSE, "clipboard not open" );
   
-    if (data->GetFormat() == wxDF_PRIVATE)
+    wxNode *node = m_dataBroker->m_dataObjects.First();
+    while (node)
     {
-        wxPrivateDataObject* pd = (wxPrivateDataObject*) data;
+        wxDataObject *dobj = (wxDataObject*)node->Data();
 	
-        wxCHECK_MSG( !pd->GetId().IsEmpty(), FALSE, "private clipboard format requires ID string" );
+	GdkAtom format = dobj->GetFormat().GetAtom();
 	
-        data->m_formatAtom = GetTargetAtom( data->GetFormat(), pd->GetId() );
+	if (format != (GdkAtom) 0)
-    }
-    else
 	{
-        data->m_formatAtom = GetTargetAtom( data->GetFormat() );
+            /* This should happen automatically */
-    }
-    
-    // This should happen automatically
       
             m_ownsClipboard = FALSE;
             m_ownsPrimarySelection = FALSE;
     
-    // Add handlers if someone requests data
+            /* Add handlers if someone requests data */
   
             gtk_selection_add_handler( m_clipboardWidget, 
                                g_clipboardAtom,
-			       data->m_formatAtom,
+			       format,
 			       selection_handler,
-			       NULL );
+			       (gpointer) NULL );
 			       
             gtk_selection_add_handler( m_clipboardWidget, 
                                GDK_SELECTION_PRIMARY,
-			       data->m_formatAtom,
+			       format,
 			       selection_handler,
-			       NULL );
+			       (gpointer) NULL );
 			       
-    // Tell the world we offer clipboard data
+            /* Tell the world we offer clipboard data */
   
             if (!gtk_selection_owner_set( m_clipboardWidget, 
                                   g_clipboardAtom,
@@ -408,6 +401,10 @@ bool wxClipboard::SetData( wxDataObject *data )
                 return FALSE;
             }
             m_ownsPrimarySelection = TRUE;
+	}
+	
+	node = node->Next();
+    }
 			     
     return TRUE;
 }
@@ -419,13 +416,23 @@ void wxClipboard::Close()
     m_open = FALSE;
 }
 
-bool wxClipboard::IsSupportedFormat( wxDataFormat format, const wxString &id )
+bool wxClipboard::GetData( wxDataObject *data )
 {
-    m_targetRequested = GetTargetAtom( format, id );
+    wxCHECK_MSG( m_open, FALSE, "clipboard not open" );
+    
+    m_receivedData = data;
+    
+    wxCHECK_MSG( m_receivedData, FALSE, "invalid data object" );
+    
+    /* STEP ONE: check if there is such data in the clipboard */
+    
+    m_targetRequested = data->GetFormat().GetAtom();
+  
+    wxCHECK_MSG( m_targetRequested, FALSE, "invalid clipboard format" );
     
     if (m_targetRequested == 0) return FALSE;
     
-    // add handler for target (= format) query
+    /* add handler for target (= format) query */
 
     gtk_signal_connect( GTK_OBJECT(m_clipboardWidget), 
                         "selection_received",
@@ -434,8 +441,8 @@ bool wxClipboard::IsSupportedFormat( wxDataFormat format, const wxString &id )
   
     m_formatSupported = FALSE;
   
-    // perform query. this will set m_formatSupported to 
+    /* perform query. this will set m_formatSupported to 
-    // TRUE if m_targetRequested is supported
+     * TRUE if m_targetRequested is supported */
     
     gtk_selection_convert( m_clipboardWidget,
 			   g_clipboardAtom, 
@@ -448,33 +455,7 @@ bool wxClipboard::IsSupportedFormat( wxDataFormat format, const wxString &id )
   
     if (!m_formatSupported) return FALSE;
   
-    return TRUE;
+    /* STEP TWO: get the data from the clipboard */
-}
-
-bool wxClipboard::GetData( wxDataObject *data )
-{
-    wxCHECK_MSG( m_open, FALSE, "clipboard not open" );
-    
-    m_receivedData = data;
-    
-    wxCHECK_MSG( m_receivedData, FALSE, "invalid data object" );
-    
-    if (m_receivedData->GetFormat() == wxDF_PRIVATE)
-    {
-        wxPrivateDataObject* pd = (wxPrivateDataObject*) m_receivedData;
-	
-        wxCHECK_MSG( !pd->GetId().IsEmpty(), FALSE, "private clipboard format requires ID string" );
-	
-        m_targetRequested = GetTargetAtom( m_receivedData->GetFormat(), pd->GetId() );
-    }
-    else
-    {
-        m_targetRequested = GetTargetAtom( m_receivedData->GetFormat() );
-    }
-    
-    data->m_formatAtom = m_targetRequested;
-  
-    wxCHECK_MSG( m_targetRequested, FALSE, "unsupported clipboard format" );
     
     m_formatSupported = FALSE;
   
@@ -492,45 +473,13 @@ bool wxClipboard::GetData( wxDataObject *data )
 		                   GTK_SIGNAL_FUNC( selection_received ),
 		                   (gpointer) this );
 
+    /* this is a true error as we checked for the presence of such data before */
+
     wxCHECK_MSG( m_formatSupported, FALSE, "error retrieving data from clipboard" );
   
     return TRUE;
 }
 
-GdkAtom wxClipboard::GetTargetAtom( wxDataFormat format, const wxString &id )
-{
-    // What is X representation of that format?
-  
-    switch (format)
-    {
-        case wxDF_TEXT:
-        {
-            return GDK_TARGET_STRING;
-				// g_textAtom
-        }
-      
-        case wxDF_BITMAP:
-        {
-            return GDK_TARGET_BITMAP;
-            break;
-        }
-      
-        case wxDF_PRIVATE:
-        {
-            // we create our own X representation
-    
-            return gdk_atom_intern( WXSTRINGCAST( id ), FALSE );
-        }
-	
-	default:
-	{
-	    return (GdkAtom) 0;
-	}
-    }
-	
-    return (GdkAtom) 0;
-}
-
 //-----------------------------------------------------------------------------
 // wxClipboardModule
 //-----------------------------------------------------------------------------

src/gtk1/dataobj.cpp

@@ -13,6 +13,230 @@
 
 #include "wx/dataobj.h"
 #include "wx/app.h"
+#include "wx/debug.h"
+
+#include "gdk/gdk.h"
+
+//-------------------------------------------------------------------------
+// wxDataFormat
+//-------------------------------------------------------------------------
+
+IMPLEMENT_CLASS(wxDataFormat, wxObject)
+
+wxDataFormat::wxDataFormat( wxDataType type )
+{
+    m_type = type;
+    
+    if (m_type == wxDF_TEXT)
+    {
+        m_id = "STRING";
+    } 
+    else
+    if (m_type == wxDF_BITMAP)
+    {
+        m_id = "BITMAP";
+    } 
+    else
+    if (m_type == wxDF_FILENAME)
+    {
+        m_id = "file:ALL";
+    }
+    else
+    {
+       wxFAIL_MSG( "invalid dataformat" )
+    }
+    
+    m_hasAtom = FALSE;
+}
+
+wxDataFormat::wxDataFormat( const wxString &id )
+{
+    m_type = wxDF_PRIVATE;
+    m_id = id;
+    m_hasAtom = FALSE;
+}
+
+wxDataFormat::wxDataFormat( wxDataFormat &format )
+{
+    m_type = format.GetType();
+    m_id = format.GetId();
+    m_hasAtom = TRUE;
+    m_atom = format.GetAtom();
+}
+
+wxDataFormat::wxDataFormat( const GdkAtom atom )
+{
+    m_hasAtom = TRUE;
+    
+    m_atom = atom;
+    
+    if (m_atom == GDK_TARGET_STRING)
+    {
+        m_type = wxDF_TEXT;
+    } else
+    if (m_atom == GDK_TARGET_BITMAP)
+    {
+        m_type = wxDF_BITMAP;
+    } else
+    {
+        m_type = wxDF_PRIVATE;
+	m_id = gdk_atom_name( m_atom );
+	
+	if (m_id == "file:ALL")
+	{
+	    m_type = wxDF_FILENAME;
+	}
+    }
+}
+
+int wxDataFormat::GetType() const
+{
+    return m_type;
+}
+
+wxString wxDataFormat::GetId() const
+{
+    return m_id;
+}
+
+void wxDataFormat::SetId( const wxString &id )
+{
+    m_type = wxDF_PRIVATE;
+    m_id = id;
+    m_hasAtom = FALSE;
+}
+
+GdkAtom wxDataFormat::GetAtom()
+{
+    if (!m_hasAtom)
+    {
+        m_hasAtom = TRUE;
+	
+	if (m_type == wxDF_TEXT)
+	{
+            m_atom = GDK_TARGET_STRING;
+        } 
+	else
+        if (m_type == wxDF_BITMAP)
+        {
+            m_atom = GDK_TARGET_BITMAP;
+        } 
+	else
+        if (m_type == wxDF_PRIVATE)
+        {
+            m_atom = gdk_atom_intern( WXSTRINGCAST( m_id ), FALSE );
+        } 
+	else
+	if (m_type == wxDF_FILENAME)
+	{
+	    m_atom = gdk_atom_intern( "file:ALL", FALSE );
+	} 
+	else
+	{
+	    m_hasAtom = FALSE;
+	    m_atom = (GdkAtom) 0;
+	}
+    }
+    
+    return m_atom;
+}
+
+//-------------------------------------------------------------------------
+// wxDataBroker
+//-------------------------------------------------------------------------
+
+IMPLEMENT_CLASS(wxDataBroker,wxObject)
+
+wxDataBroker::wxDataBroker() 
+{ 
+    m_dataObjects.DeleteContents(TRUE);
+    m_preferred = 0;
+}
+
+void wxDataBroker::Add( wxDataObject *dataObject, bool preferred )
+{ 
+    if (preferred) m_preferred = m_dataObjects.GetCount();
+    m_dataObjects.Append( dataObject );
+}  
+  
+size_t wxDataBroker::GetFormatCount() const
+{ 
+    return m_dataObjects.GetCount(); 
+}
+    
+wxDataFormat &wxDataBroker::GetPreferredFormat() const
+{ 
+    wxNode *node = m_dataObjects.Nth( m_preferred );
+    
+    wxASSERT( node );
+    
+    wxDataObject* data_obj = (wxDataObject*)node->Data();
+    
+    return data_obj->GetFormat();
+}
+    
+wxDataFormat &wxDataBroker::GetNthFormat( size_t nth ) const
+{ 
+    wxNode *node = m_dataObjects.Nth( nth );
+
+    wxASSERT( node );
+    
+    wxDataObject* data_obj = (wxDataObject*)node->Data();
+    
+    return data_obj->GetFormat();
+}
+    
+bool wxDataBroker::IsSupportedFormat( wxDataFormat &format ) const
+{ 
+    wxNode *node = m_dataObjects.First();
+    while (node)
+    {
+        wxDataObject *dobj = (wxDataObject*)node->Data();
+	
+	if (dobj->GetFormat().GetAtom() == format.GetAtom())
+	{
+	    return TRUE;
+	}
+    
+        node = node->Next();
+    }
+    
+    return FALSE;
+}
+  
+size_t wxDataBroker::GetSize( wxDataFormat& format ) const
+{
+    wxNode *node = m_dataObjects.First();
+    while (node)
+    {
+        wxDataObject *dobj = (wxDataObject*)node->Data();
+	
+	if (dobj->GetFormat().GetAtom() == format.GetAtom())
+	{
+	    return dobj->GetSize();
+	}
+    
+        node = node->Next();
+    }
+    
+    return 0;
+}
+    
+void wxDataBroker::WriteData( wxDataFormat& format, void *dest ) const
+{
+    wxNode *node = m_dataObjects.First();
+    while (node)
+    {
+        wxDataObject *dobj = (wxDataObject*)node->Data();
+	
+	if (dobj->GetFormat().GetAtom() == format.GetAtom())
+	{
+	    return dobj->WriteData( dest );
+	}
+    
+        node = node->Next();
+    }
+}
 
 //-------------------------------------------------------------------------
 // wxDataObject
@@ -20,24 +244,141 @@
 
 IMPLEMENT_ABSTRACT_CLASS( wxDataObject, wxObject )
 
+wxDataObject::wxDataObject()
+{
+    m_format = (wxDataFormat*) NULL;
+}
+  
+wxDataObject::~wxDataObject()
+{
+    if (m_format) delete m_format;
+}
+
+wxDataFormat &wxDataObject::GetFormat() const
+{
+    wxASSERT( m_format );
+
+    return (*m_format);
+}
+
 // ----------------------------------------------------------------------------
 // wxTextDataObject
 // ----------------------------------------------------------------------------
 
 IMPLEMENT_DYNAMIC_CLASS( wxTextDataObject, wxDataObject )
 
+wxTextDataObject::wxTextDataObject()
+{
+    m_format = new wxDataFormat( wxDF_TEXT );
+}
+
+wxTextDataObject::wxTextDataObject( const wxString& data )
+{
+    m_format = new wxDataFormat( wxDF_TEXT );
+    
+    m_data = data;
+}
+
+void wxTextDataObject::SetText( const wxString& data ) 
+{
+    m_data = data;
+}
+
+wxString wxTextDataObject::GetText() const
+{
+    return m_data;
+}
+
+void wxTextDataObject::WriteData( void *dest ) const
+{
+    WriteString( m_data, dest );
+}
+
+size_t wxTextDataObject::GetSize() const
+{
+    return m_data.Len() + 1;
+}
+
+void wxTextDataObject::WriteString( const wxString &str, void *dest ) const
+{
+    memcpy( dest, m_data.c_str(), GetSize() );
+}
+    
 // ----------------------------------------------------------------------------
 // wxFileDataObject
 // ----------------------------------------------------------------------------
 
 IMPLEMENT_DYNAMIC_CLASS( wxFileDataObject, wxDataObject )
 
+wxFileDataObject::wxFileDataObject(void)
+{
+    m_format = new wxDataFormat( wxDF_FILENAME );
+}
+
+void wxFileDataObject::AddFile( const wxString &file )
+{ 
+    m_files += file; 
+    m_files += (char)0; 
+}
+    
+wxString wxFileDataObject::GetFiles() const
+{ 
+    return m_files; 
+}
+    
+void wxFileDataObject::WriteData( void *dest ) const
+{
+    memcpy( dest, m_files.c_str(), GetSize() );
+}
+ 
+size_t wxFileDataObject::GetSize() const
+{
+    return m_files.Len() + 1;
+}
+  
 // ----------------------------------------------------------------------------
 // wxBitmapDataObject
 // ----------------------------------------------------------------------------
 
 IMPLEMENT_DYNAMIC_CLASS( wxBitmapDataObject, wxDataObject )
 
+wxBitmapDataObject::wxBitmapDataObject()
+{
+    m_format = new wxDataFormat( wxDF_BITMAP );
+}
+
+wxBitmapDataObject::wxBitmapDataObject( const wxBitmap& bitmap )
+{
+    m_format = new wxDataFormat( wxDF_BITMAP );
+    
+    m_bitmap = bitmap;
+}
+
+void wxBitmapDataObject::SetBitmap( const wxBitmap &bitmap )
+{
+    m_bitmap = bitmap;
+}
+
+wxBitmap wxBitmapDataObject::GetBitmap() const
+{
+    return m_bitmap;
+}
+
+void wxBitmapDataObject::WriteData( void *dest ) const
+{
+    WriteBitmap( m_bitmap, dest );
+}
+
+size_t wxBitmapDataObject::GetSize() const
+{
+    return 0;
+}
+
+void wxBitmapDataObject::WriteBitmap( const wxBitmap &bitmap, void *dest ) const
+{
+    memcpy( dest, m_bitmap.GetPixmap(), GetSize() );
+}
+    
 // ----------------------------------------------------------------------------
 // wxPrivateDataObject
 // ----------------------------------------------------------------------------
@@ -46,9 +387,13 @@ IMPLEMENT_DYNAMIC_CLASS( wxPrivateDataObject, wxDataObject )
 
 wxPrivateDataObject::wxPrivateDataObject() 
 { 
+    m_id = "application/";
+    m_id += wxTheApp->GetAppName();
+    
+    m_format = new wxDataFormat( m_id );
+    
     m_size = 0; 
     m_data = (char*) NULL; 
-    m_id = wxTheApp->GetAppName();
 }
     
 wxPrivateDataObject::~wxPrivateDataObject()
@@ -56,6 +401,17 @@ wxPrivateDataObject::~wxPrivateDataObject()
     if (m_data) delete[] m_data; 
 }
   
+void wxPrivateDataObject::SetId( const wxString& id )
+{ 
+    m_id = id;
+    m_format->SetId( m_id );
+}
+    
+wxString wxPrivateDataObject::GetId() const
+{ 
+    return m_id; 
+}
+
 void wxPrivateDataObject::SetData( const char *data, size_t size )
 {
     m_size = size;
@@ -67,3 +423,23 @@ void wxPrivateDataObject::SetData( const char *data, size_t size )
     memcpy( m_data, data, size );  
 }
 
+char* wxPrivateDataObject::GetData() const
+{
+    return m_data;
+}
+
+void wxPrivateDataObject::WriteData( void *dest ) const
+{
+    WriteData( m_data, dest );
+}
+
+size_t wxPrivateDataObject::GetSize() const
+{
+   return m_size;
+}
+
+void wxPrivateDataObject::WriteData( const char *data, void *dest ) const
+{
+    memcpy( dest, data, GetSize() );
+}
+

src/gtk1/dialog.cpp

@@ -134,7 +134,16 @@ bool wxDialog::Create( wxWindow *parent,
 wxDialog::~wxDialog()
 {
     wxTopLevelWindows.DeleteObject( this );
-    if (wxTopLevelWindows.Number() == 0) wxTheApp->ExitMainLoop();
+    
+    if (wxTheApp->GetTopWindow() == this)
+    {
+        wxTheApp->SetTopWindow( (wxWindow*) NULL );
+    }
+    
+    if (wxTopLevelWindows.Number() == 0)
+    {  
+        wxTheApp->ExitMainLoop();
+    }
 }
 
 void wxDialog::SetTitle( const wxString& title )

src/gtk1/dnd.cpp

@@ -171,8 +171,7 @@ void wxDropTarget::RegisterWidget( GtkWidget *widget )
 	break;
       case wxDF_PRIVATE:
         wxPrivateDropTarget *pdt = (wxPrivateDropTarget *)this;
-        strcpy( buf, "applications/" );
+	strcpy( buf, WXSTRINGCAST pdt->GetID() );
-	strcat( buf, WXSTRINGCAST pdt->GetID() );
         format.target = buf;
 	valid++;
       default:
@@ -533,10 +532,17 @@ static void gtk_target_callback( GtkWidget *widget,
 
 wxDropTarget::wxDropTarget()
 {
+    m_format = (wxDataFormat*) NULL;
 }
 
 wxDropTarget::~wxDropTarget()
 {
+    if (m_format) delete m_format;
+}
+
+wxDataFormat &wxDropTarget::GetFormat(size_t n) const
+{
+    return (*m_format);
 }
 
 void wxDropTarget::UnregisterWidget( GtkWidget *widget )
@@ -556,8 +562,7 @@ void wxDropTarget::RegisterWidget( GtkWidget *widget )
   
     for ( size_t i = 0; i < GetFormatCount(); i++ )
     {
-        wxDataFormat df = GetFormat( i );
+        switch (GetFormat(i).GetType()) 
-        switch (df) 
         {
             case wxDF_TEXT:
 	    {
@@ -577,7 +582,6 @@ void wxDropTarget::RegisterWidget( GtkWidget *widget )
 	    {
 	        if (i > 0) formats += ";";
                 wxPrivateDropTarget *pdt = (wxPrivateDropTarget *)this;
-                formats += "applications/";
                 formats += pdt->GetId();
 	        valid++;
 		break;
@@ -605,6 +609,11 @@ void wxDropTarget::RegisterWidget( GtkWidget *widget )
 // wxTextDropTarget
 // ----------------------------------------------------------------------------
 
+wxTextDropTarget::wxTextDropTarget()
+{
+    m_format = new wxDataFormat( wxDF_TEXT );
+}
+
 bool wxTextDropTarget::OnDrop( long x, long y, const void *data, size_t WXUNUSED(size) )
 {
     OnDropText( x, y, (const char*)data );
@@ -625,11 +634,6 @@ size_t wxTextDropTarget::GetFormatCount() const
     return 1;
 }
 
-wxDataFormat wxTextDropTarget::GetFormat(size_t WXUNUSED(n)) const
-{
-    return wxDF_TEXT;
-}
-
 // ----------------------------------------------------------------------------
 // wxPrivateDropTarget
 // ----------------------------------------------------------------------------
@@ -637,6 +641,13 @@ wxDataFormat wxTextDropTarget::GetFormat(size_t WXUNUSED(n)) const
 wxPrivateDropTarget::wxPrivateDropTarget()
 {
     m_id = wxTheApp->GetAppName();
+    m_format = new wxDataFormat( m_id );
+}
+
+void wxPrivateDropTarget::SetId( const wxString& id )
+{
+    m_id = id;
+    m_format->SetId( id );
 }
 
 size_t wxPrivateDropTarget::GetFormatCount() const
@@ -644,15 +655,15 @@ size_t wxPrivateDropTarget::GetFormatCount() const
     return 1;
 }
 
-wxDataFormat wxPrivateDropTarget::GetFormat(size_t WXUNUSED(n)) const
-{
-    return wxDF_PRIVATE;
-}
-
 // ----------------------------------------------------------------------------
 // wxFileDropTarget
 // ----------------------------------------------------------------------------
 
+wxFileDropTarget::wxFileDropTarget()
+{
+    m_format = new wxDataFormat( wxDF_FILENAME );
+}    
+
 bool wxFileDropTarget::OnDropFiles( long x, long y, size_t nFiles, const char * const aszFiles[] )
 {
     printf( "Got %d dropped files.\n", (int)nFiles );
@@ -698,11 +709,6 @@ size_t wxFileDropTarget::GetFormatCount() const
     return 1;
 }
 
-wxDataFormat wxFileDropTarget::GetFormat(size_t WXUNUSED(n)) const
-{
-    return wxDF_FILENAME;
-}
-
 //-------------------------------------------------------------------------
 // wxDropSource
 //-------------------------------------------------------------------------
@@ -712,64 +718,76 @@ shape_motion (GtkWidget      *widget,
 	      GdkEventMotion * /*event*/);
 	      
 //-----------------------------------------------------------------------------
-// drag request
+// "drag_request_event"
+//-----------------------------------------------------------------------------
 
-void gtk_drag_callback( GtkWidget *widget, GdkEvent *event, wxDropSource *source )
+void gtk_drag_callback( GtkWidget *widget, GdkEventDragRequest *event, wxDropSource *source )
 {
-    wxDataObject *data = source->m_data;
+    wxDataBroker *data = source->m_data;
     
-    switch (data->GetFormat())
+    if (!data) return;
+    
+    wxNode *node = data->m_dataObjects.First();
     {
-        case wxDF_PRIVATE:
+        wxDataObject *dobj = (wxDataObject*) node->Data();
+	
+	if ((strcmp(event->data_type,"file:ALL") == 0) &&
+	    (dobj->GetFormat().GetType() == wxDF_FILENAME))
 	{
-            wxPrivateDataObject *pdo = (wxPrivateDataObject*) data;
+	    wxFileDataObject *file_object = (wxFileDataObject*) dobj;
-	    
-            gtk_widget_dnd_data_set( widget, 
-	                             event,
-				     (unsigned char*) pdo->GetData(), 
-				     (int) pdo->GetDataSize() );
-	    
-	    break;
-	}
-        case wxDF_TEXT:
-	{
-	    wxTextDataObject *text_object = (wxTextDataObject*) data;
-	    
-	    wxString text = text_object->GetText();
-	    
-	    char *s = WXSTRINGCAST text;
-	    
-            gtk_widget_dnd_data_set( widget, 
-	                             event, 
-				     (unsigned char*) s, 
-				     (int) text.Length()+1 );
-	
-	    break;
-	}
-	
-        case wxDF_FILENAME:
-	{
-	    wxFileDataObject *file_object = (wxFileDataObject*) data;
 	    
 	    wxString text = file_object->GetFiles();
 	    
 	    char *s = WXSTRINGCAST text;
 	    
             gtk_widget_dnd_data_set( widget, 
-	                             event, 
+	                             (GdkEvent*)event, 
 				     (unsigned char*) s, 
 				     (int) text.Length()+1 );
 	
-	    break;
+            source->m_retValue = wxDragCopy;
+	    
+	    return;
 	}
 	
-	default:
+	if ((strcmp(event->data_type,"text/plain") == 0) &&
+	    (dobj->GetFormat().GetType() == wxDF_TEXT))
 	{
+	    wxTextDataObject *text_object = (wxTextDataObject*) dobj;
+	    
+	    wxString text = text_object->GetText();
+	    
+	    char *s = WXSTRINGCAST text;
+	    
+            gtk_widget_dnd_data_set( widget, 
+	                             (GdkEvent*)event, 
+				     (unsigned char*) s, 
+				     (int) text.Length()+1 );
+	
+            source->m_retValue = wxDragCopy;
+	    
+	    return;
+	}
+	
+	if (dobj->GetFormat().GetType() == wxDF_PRIVATE)
+	{
+            wxPrivateDataObject *pdo = (wxPrivateDataObject*) dobj;
+	    
+	    if (pdo->GetId() == event->data_type)
+	    {
+                gtk_widget_dnd_data_set( widget, 
+	                             (GdkEvent*)event,
+				     (unsigned char*) pdo->GetData(), 
+				     (int) pdo->GetSize() );
+				     
+                source->m_retValue = wxDragCopy;
+	    
 		return;
 	    }
 	}
 	
-  source->m_retValue = wxDragCopy;
+	node = node->Next();
+   }
 }
 
 wxDropSource::wxDropSource( wxWindow *win )
@@ -780,14 +798,14 @@ wxDropSource::wxDropSource( wxWindow *win )
     m_widget = win->m_widget;
     if (win->m_wxwindow) m_widget = win->m_wxwindow;
   
-    m_data = (wxDataObject *) NULL;
+    m_data = (wxDataBroker*) NULL;
     m_retValue = wxDragCancel;
 
     m_defaultCursor = wxCursor( wxCURSOR_NO_ENTRY );
     m_goaheadCursor = wxCursor( wxCURSOR_HAND );
 }
 
-wxDropSource::wxDropSource( wxDataObject &data, wxWindow *win )
+wxDropSource::wxDropSource( wxDataObject *data, wxWindow *win )
 {
     g_blockEventsOnDrag = TRUE;
   
@@ -796,20 +814,60 @@ wxDropSource::wxDropSource( wxDataObject &data, wxWindow *win )
     if (win->m_wxwindow) m_widget = win->m_wxwindow;
     m_retValue = wxDragCancel;
   
-    m_data = &data;
+    if (data)
+    {
+        m_data = new wxDataBroker();
+	m_data->Add( data );
+    }
+    else
+    {
+        m_data = (wxDataBroker*) NULL;
+    }
 
     m_defaultCursor = wxCursor( wxCURSOR_NO_ENTRY );
     m_goaheadCursor = wxCursor( wxCURSOR_HAND );
 }
 
-void wxDropSource::SetData( wxDataObject &data )
+wxDropSource::wxDropSource( wxDataBroker *data, wxWindow *win )
 {
-    m_data = &data;  
+    g_blockEventsOnDrag = TRUE;
+  
+    m_window = win;
+    m_widget = win->m_widget;
+    if (win->m_wxwindow) m_widget = win->m_wxwindow;
+    m_retValue = wxDragCancel;
+  
+    m_data = data;
+
+    m_defaultCursor = wxCursor( wxCURSOR_NO_ENTRY );
+    m_goaheadCursor = wxCursor( wxCURSOR_HAND );
+}
+
+void wxDropSource::SetData( wxDataObject *data )
+{
+    if (m_data) delete m_data;
+    
+    if (data)
+    {
+        m_data = new wxDataBroker();
+	m_data->Add( data );
+    }
+    else
+    {
+        m_data = (wxDataBroker*) NULL;
+    }
+}
+
+void wxDropSource::SetData( wxDataBroker *data )
+{
+    if (m_data) delete m_data;
+    
+    m_data = data;
 }
 
 wxDropSource::~wxDropSource(void)
 {
-//    if (m_data) delete m_data;
+    if (m_data) delete m_data;
 
     g_blockEventsOnDrag = FALSE;
 }
@@ -926,9 +984,12 @@ void wxDropSource::RegisterWindow(void)
 
     wxString formats;
     
-    wxDataFormat df = m_data->GetFormat();
+    wxNode *node = m_data->m_dataObjects.First();
+    while (node)
+    {
+        wxDataObject* dobj = (wxDataObject*) node->Data();
     
-    switch (df) 
+        switch (dobj->GetFormat().GetType()) 
         {
             case wxDF_TEXT:
 	    { 
@@ -943,13 +1004,14 @@ void wxDropSource::RegisterWindow(void)
             case wxDF_PRIVATE:
 	    {
 	          wxPrivateDataObject* pdo = (wxPrivateDataObject*) m_data;
-	    formats += "applications/";
 	          formats += pdo->GetId();
 	          break;
 	    }
             default:
               break;
 	}
+	node = node->Next();
+    }
   
     char *str = WXSTRINGCAST formats;
   

src/gtk1/frame.cpp

@@ -193,7 +193,16 @@ wxFrame::~wxFrame()
     if (m_frameToolBar) delete m_frameToolBar;
 
     wxTopLevelWindows.DeleteObject( this );
-    if (wxTopLevelWindows.Number() == 0) wxTheApp->ExitMainLoop();
+    
+    if (wxTheApp->GetTopWindow() == this)
+    {
+        wxTheApp->SetTopWindow( (wxWindow*) NULL );
+    }
+    
+    if (wxTopLevelWindows.Number() == 0)
+    {  
+        wxTheApp->ExitMainLoop();
+    }
 }
 
 bool wxFrame::Show( bool show )

src/msw/dde.cpp

@@ -420,7 +420,7 @@ bool wxDDEConnection::Disconnect(void)
   return (DdeDisconnect((HCONV) m_hConv) != 0);
 }
 
-bool wxDDEConnection::Execute(char *data, int size, wxDataFormat format)
+bool wxDDEConnection::Execute(char *data, int size, wxIPCFormat format)
 {
   DWORD result;
   if (size < 0)
@@ -432,7 +432,7 @@ bool wxDDEConnection::Execute(char *data, int size, wxDataFormat format)
     NULL, format, XTYP_EXECUTE, 5000, &result) ? TRUE : FALSE);
 }
 
-char *wxDDEConnection::Request(const wxString& item, int *size, wxDataFormat format)
+char *wxDDEConnection::Request(const wxString& item, int *size, wxIPCFormat format)
 {
   DWORD result;
   HSZ atom = DDEGetAtom(item);
@@ -452,7 +452,7 @@ char *wxDDEConnection::Request(const wxString& item, int *size, wxDataFormat for
   else return NULL;
 }
 
-bool wxDDEConnection::Poke(const wxString& item, char *data, int size, wxDataFormat format)
+bool wxDDEConnection::Poke(const wxString& item, char *data, int size, wxIPCFormat format)
 {
   DWORD result;
   if (size < 0)
@@ -484,7 +484,7 @@ bool wxDDEConnection::StopAdvise(const wxString& item)
 }
 
 // Calls that SERVER can make
-bool wxDDEConnection::Advise(const wxString& item, char *data, int size, wxDataFormat format)
+bool wxDDEConnection::Advise(const wxString& item, char *data, int size, wxIPCFormat format)
 {
   if (size < 0)
     size = strlen(data);
@@ -579,7 +579,7 @@ DWORD /* lData2 */)
       {
         DWORD len = DdeGetData(hData, (LPBYTE)(connection->m_bufPtr), connection->m_bufSize, 0);
         DdeFreeDataHandle(hData);
-        if (connection->OnExecute(connection->m_topicName, connection->m_bufPtr, (int)len, (wxDataFormat) wFmt))
+        if (connection->OnExecute(connection->m_topicName, connection->m_bufPtr, (int)len, (wxIPCFormat) wFmt))
           return (DDERETURN)DDE_FACK;
         else
           return (DDERETURN)DDE_FNOTPROCESSED;
@@ -598,7 +598,7 @@ DWORD /* lData2 */)
                      CP_WINANSI);
 
         int user_size = -1;
-        char *data = connection->OnRequest(connection->m_topicName, wxString(item_name), &user_size, (wxDataFormat) wFmt);
+        char *data = connection->OnRequest(connection->m_topicName, wxString(item_name), &user_size, (wxIPCFormat) wFmt);
         if (data)
         {
           if (user_size < 0) user_size = strlen(data);
@@ -622,7 +622,7 @@ DWORD /* lData2 */)
                      CP_WINANSI);
         DWORD len = DdeGetData(hData, (LPBYTE)(connection->m_bufPtr), connection->m_bufSize, 0);
         DdeFreeDataHandle(hData);
-        connection->OnPoke(connection->m_topicName, wxString(item_name), connection->m_bufPtr, (int)len, (wxDataFormat) wFmt);
+        connection->OnPoke(connection->m_topicName, wxString(item_name), connection->m_bufPtr, (int)len, (wxIPCFormat) wFmt);
         return (DDERETURN)DDE_FACK;
       } else return (DDERETURN)DDE_FNOTPROCESSED;
       break;
@@ -684,7 +684,7 @@ DWORD /* lData2 */)
 
         DWORD len = DdeGetData(hData, (LPBYTE)(connection->m_bufPtr), connection->m_bufSize, 0);
         DdeFreeDataHandle(hData);
-        if (connection->OnAdvise(connection->m_topicName, wxString(item_name), connection->m_bufPtr, (int)len, (wxDataFormat) wFmt))
+        if (connection->OnAdvise(connection->m_topicName, wxString(item_name), connection->m_bufPtr, (int)len, (wxIPCFormat) wFmt))
           return (DDERETURN)DDE_FACK;
         else
           return (DDERETURN)DDE_FNOTPROCESSED;