we need our own imaglist implementation because in wxmac wxIcon does not inherit...

[wxWidgets.git] / include / wx / motif / dnd.h

diff --git a/include/wx/motif/dnd.h b/include/wx/motif/dnd.h
index 73a97d253c283e68cb62c685acf41f297b1f6e1e..c7508ec5edcbf9a0763ef6cc04ab6fee711bb906 100644 (file)
--- a/include/wx/motif/dnd.h
+++ b/include/wx/motif/dnd.h
@@ -1,22 +1,27 @@
 ///////////////////////////////////////////////////////////////////////////////
 // Name:        dnd.h
 ///////////////////////////////////////////////////////////////////////////////
 // Name:        dnd.h

-// Purpose:     Declaration of the wxDropTarget, wxDropSource class etc.
+// Purpose:     declaration of wxDropTarget, wxDropSource classes

 // Author:      Julian Smart
 // RCS-ID:      $Id$
 // Author:      Julian Smart
 // RCS-ID:      $Id$

-// Copyright:   (c) 1998 Julian Smart
+// Copyright:   (c) 1998 Vadim Zeitlin, Robert Roebling, Julian Smart

 // Licence:     wxWindows licence
 ///////////////////////////////////////////////////////////////////////////////
 
 // Licence:     wxWindows licence
 ///////////////////////////////////////////////////////////////////////////////
 

+

 #ifndef _WX_DND_H_
 #define _WX_DND_H_
 
 #ifndef _WX_DND_H_
 #define _WX_DND_H_
 

-#ifdef __GNUG__
-#pragma interface "dnd.h"
+#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
+#pragma interface

 #endif
 
 #include "wx/defs.h"
 #endif
 
 #include "wx/defs.h"

+
+#if wxUSE_DRAG_AND_DROP
+

 #include "wx/object.h"
 #include "wx/string.h"
 #include "wx/object.h"
 #include "wx/string.h"

+#include "wx/dataobj.h"

 #include "wx/cursor.h"
 
 //-------------------------------------------------------------------------
 #include "wx/cursor.h"
 
 //-------------------------------------------------------------------------


@@ -25,142 +30,34 @@
 
 class WXDLLEXPORT wxWindow;
 
 
 class WXDLLEXPORT wxWindow;
 

-class WXDLLEXPORT wxDataObject;
-class WXDLLEXPORT wxTextDataObject;
-class WXDLLEXPORT wxFileDataObject;
-

 class WXDLLEXPORT wxDropTarget;
 class WXDLLEXPORT wxTextDropTarget;
 class WXDLLEXPORT wxFileDropTarget;
 class WXDLLEXPORT wxDropTarget;
 class WXDLLEXPORT wxTextDropTarget;
 class WXDLLEXPORT wxFileDropTarget;

+class WXDLLEXPORT wxPrivateDropTarget;

 
 class WXDLLEXPORT wxDropSource;
 
 
 class WXDLLEXPORT wxDropSource;
 

-//-------------------------------------------------------------------------
-// wxDataObject
-//-------------------------------------------------------------------------
-
-class WXDLLEXPORT wxDataObject: public wxObject
-{
-public:
-  // all data formats (values are the same as in windows.h, do not change!)
-  enum StdFormat
-  {
-    Invalid,
-    Text,
-    Bitmap,
-    MetafilePict,
-    Sylk,
-    Dif,
-    Tiff,
-    OemText,
-    Dib,
-    Palette,
-    Pendata,
-    Riff,
-    Wave,
-    UnicodeText,
-    EnhMetafile,
-    Hdrop,
-    Locale,
-    Max
-  };
-
-  // function to return symbolic name of clipboard format (debug messages)
-  static const char *GetFormatName(wxDataFormat format);
-
-  // ctor & dtor
-  wxDataObject() {};
-  ~wxDataObject() {};
-
-  // pure virtuals to override
-    // get the best suited format for our data
-  virtual wxDataFormat GetPreferredFormat() const = 0;
-    // decide if we support this format (should be one of values of
-    // StdFormat enumerations or a user-defined format)
-  virtual bool IsSupportedFormat(wxDataFormat format) const = 0;
-    // get the (total) size of data
-  virtual size_t GetDataSize() const = 0;
-    // copy raw data to provided pointer
-  virtual void GetDataHere(void *pBuf) const = 0;
-
-};
-
-// ----------------------------------------------------------------------------
-// wxTextDataObject is a specialization of wxDataObject for text data
-// ----------------------------------------------------------------------------
-
-class WXDLLEXPORT wxTextDataObject : public wxDataObject
-{
-public:
-  // ctors
-  wxTextDataObject() { }
-  wxTextDataObject(const wxString& strText) : m_strText(strText) { }
-  void Init(const wxString& strText) { m_strText = strText; }
-
-  // implement base class pure virtuals
-  virtual wxDataFormat GetPreferredFormat() const
-    { return wxDF_TEXT; }
-  virtual bool IsSupportedFormat(wxDataFormat format) const
-    { return format == wxDF_TEXT; }
-  virtual size_t GetDataSize() const
-    { return m_strText.Len() + 1; } // +1 for trailing '\0'of course
-  virtual void GetDataHere(void *pBuf) const
-    { memcpy(pBuf, m_strText.c_str(), GetDataSize()); }
-
-private:
-  wxString  m_strText;
-  
-};
-
-// ----------------------------------------------------------------------------
-// wxFileDataObject is a specialization of wxDataObject for file names
-// ----------------------------------------------------------------------------
-
-class WXDLLEXPORT wxFileDataObject : public wxDataObject
-{
-public:
-
-  wxFileDataObject(void) { }
-  void AddFile( const wxString &file )
-    { m_files += file; m_files += ";"; }
-
-  // implement base class pure virtuals
-  virtual wxDataFormat GetPreferredFormat() const
-    { return wxDF_FILENAME; }
-  virtual bool IsSupportedFormat(wxDataFormat format) const
-    { return format == wxDF_FILENAME; }
-  virtual size_t GetDataSize() const
-    { return m_files.Len() + 1; } // +1 for trailing '\0'of course
-  virtual void GetDataHere(void *pBuf) const
-    { memcpy(pBuf, m_files.c_str(), GetDataSize()); }
-
-private:
-  wxString  m_files;
-  
-};

 //-------------------------------------------------------------------------
 // wxDropTarget
 //-------------------------------------------------------------------------
 
 class WXDLLEXPORT wxDropTarget: public wxObject
 {
 //-------------------------------------------------------------------------
 // wxDropTarget
 //-------------------------------------------------------------------------
 
 class WXDLLEXPORT wxDropTarget: public wxObject
 {

-  public:
-
+public:
+    

     wxDropTarget();
     ~wxDropTarget();
     
     virtual void OnEnter() { }
     virtual void OnLeave() { }
     wxDropTarget();
     ~wxDropTarget();
     
     virtual void OnEnter() { }
     virtual void OnLeave() { }

-    virtual bool OnDrop( long x, long y, const void *pData ) = 0;
-
-//  protected:
-      
-    friend wxWindow;
+    virtual bool OnDrop( long x, long y, const void *data, size_t size ) = 0;

     
     // Override these to indicate what kind of data you support: 
     
     // 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 size_t GetFormatCount() const = 0;
     virtual wxDataFormat GetFormat(size_t n) const = 0;

+    
+    // implementation

 };
 
 //-------------------------------------------------------------------------
 };
 
 //-------------------------------------------------------------------------


@@ -169,16 +66,46 @@ class WXDLLEXPORT wxDropTarget: public wxObject
 
 class WXDLLEXPORT wxTextDropTarget: public wxDropTarget
 {
 
 class WXDLLEXPORT wxTextDropTarget: public wxDropTarget
 {

-  public:
-
+public:
+    

     wxTextDropTarget() {};
     wxTextDropTarget() {};

-    virtual bool OnDrop( long x, long y, const void *pData );
+    virtual bool OnDrop( long x, long y, const void *data, size_t size );

     virtual bool OnDropText( long x, long y, const char *psz );
     
     virtual bool OnDropText( long x, long y, const char *psz );
     

-  protected:
-  
+protected:
+    
+    virtual size_t GetFormatCount() const;
+    virtual wxDataFormat GetFormat(size_t n) const;
+};
+
+//-------------------------------------------------------------------------
+// wxPrivateDropTarget
+//-------------------------------------------------------------------------
+
+class WXDLLEXPORT wxPrivateDropTarget: public wxDropTarget
+{
+public:
+    
+    wxPrivateDropTarget();
+    
+    // you have to override OnDrop to get at the data
+    
+    // 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".
+    
+    void SetId( const wxString& id )
+    { m_id = id; }
+    
+    wxString GetId()
+    { return m_id; }
+    
+private:
+    

     virtual size_t GetFormatCount() const;
     virtual wxDataFormat GetFormat(size_t n) const;
     virtual size_t GetFormatCount() const;
     virtual wxDataFormat GetFormat(size_t n) const;

+    
+    wxString   m_id;

 };
 
 // ----------------------------------------------------------------------------
 };
 
 // ----------------------------------------------------------------------------


@@ -187,16 +114,16 @@ class WXDLLEXPORT wxTextDropTarget: public wxDropTarget
 
 class WXDLLEXPORT wxFileDropTarget: public wxDropTarget
 {
 
 class WXDLLEXPORT wxFileDropTarget: public wxDropTarget
 {

-  public:
+public:

     
     wxFileDropTarget() {};
     
     
     wxFileDropTarget() {};
     

-    virtual bool OnDrop(long x, long y, const void *pData);
+    virtual bool OnDrop( long x, long y, const void *data, size_t size );

     virtual bool OnDropFiles( long x, long y, 
     virtual bool OnDropFiles( long x, long y, 

-                              size_t nFiles, const char * const aszFiles[]);
-
-  protected:
-  
+        size_t nFiles, const char * const aszFiles[] );
+    
+protected:
+    

     virtual size_t GetFormatCount() const;
     virtual wxDataFormat GetFormat(size_t n) const;
 };
     virtual size_t GetFormatCount() const;
     virtual wxDataFormat GetFormat(size_t n) const;
 };


@@ -205,34 +132,47 @@ class WXDLLEXPORT wxFileDropTarget: public wxDropTarget
 // wxDropSource
 //-------------------------------------------------------------------------
 
 // wxDropSource
 //-------------------------------------------------------------------------
 

-  enum wxDragResult
-  {
+enum wxDragResult
+{

     wxDragError,    // error prevented the d&d operation from completing
     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
-    wxDragCancel    // the operation was cancelled by user (not an error)
-  };
+        wxDragNone,     // drag target didn't accept the data
+        wxDragCopy,     // the data was successfully copied
+        wxDragMove,     // the data was successfully moved
+        wxDragCancel    // the operation was cancelled by user (not an error)
+};

 
 class WXDLLEXPORT wxDropSource: public wxObject
 {
 
 class WXDLLEXPORT wxDropSource: public wxObject
 {

-  public:
-
+public:
+    

     wxDropSource( wxWindow *win );
     wxDropSource( wxDataObject &data, wxWindow *win );
     
     ~wxDropSource(void);
     
     void SetData( wxDataObject &data  );
     wxDropSource( wxWindow *win );
     wxDropSource( wxDataObject &data, wxWindow *win );
     
     ~wxDropSource(void);
     
     void SetData( wxDataObject &data  );

-    wxDragResult DoDragDrop( bool bAllowMove = FALSE );
+    wxDragResult DoDragDrop(int flags = wxDrag_CopyOnly);

     
     

-    virtual bool GiveFeedback( wxDragResult WXUNUSED(effect), bool WXUNUSED(bScrolling) ) { return TRUE; };
-
-  protected:
-  
+    virtual bool GiveFeedback( wxDragResult WXUNUSED(effect), bool WXUNUSED(bScrolling) ) { return true; };
+    
+    // implementation
+#if 0
+    void RegisterWindow(void);
+    void UnregisterWindow(void);
+    
+    wxWindow      *m_window;
+    wxDragResult   m_retValue;

     wxDataObject  *m_data;
     wxDataObject  *m_data;

+    
+    wxCursor      m_defaultCursor;
+    wxCursor      m_goaheadCursor;
+#endif

 };
 
 };
 

+#endif
+
+// wxUSE_DRAG_AND_DROP
+

 #endif  
 #endif  

-       //_WX_DND_H_
+//_WX_DND_H_