New wxDataObject, DnD and Clipboard code

A few more minor fixes


git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@1194 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/gtk1/dataobj.h

@@ -0,0 +1,178 @@
+///////////////////////////////////////////////////////////////////////////////
+// Name:        dataobj.h
+// Purpose:     declaration of the wxDataObject class
+// Author:      Robert Roebling
+// RCS-ID:      $Id$
+// Copyright:   (c) 1998 Vadim Zeitlin, Robert Roebling
+// Licence:     wxWindows license
+///////////////////////////////////////////////////////////////////////////////
+
+#ifndef __GTKDATAOBJECTH__
+#define __GTKDATAOBJECTH__
+
+#ifdef __GNUG__
+#pragma interface
+#endif
+
+#include "wx/defs.h"
+#include "wx/object.h"
+#include "wx/string.h"
+#include "wx/bitmap.h"
+
+//-------------------------------------------------------------------------
+// classes
+//-------------------------------------------------------------------------
+
+class wxDataObject;
+class wxTextDataObject;
+class wxBitmapDataObject;
+class wxPrivateDataObject;
+class wxFileDataObject;
+
+//-------------------------------------------------------------------------
+// wxDataObject
+//-------------------------------------------------------------------------
+
+class wxDataObject: public wxObject
+{
+  DECLARE_ABSTRACT_CLASS( wxDataObject )
+
+public:
+
+  wxDataObject() {}
+  ~wxDataObject() {}
+
+  virtual wxDataFormat GetFormat() const = 0;
+  
+  // implementation
+  
+  GdkAtom  m_formatAtom;
+};
+
+// ----------------------------------------------------------------------------
+// wxTextDataObject is a specialization of wxDataObject for text data
+// ----------------------------------------------------------------------------
+
+class wxTextDataObject : public wxDataObject
+{
+  DECLARE_DYNAMIC_CLASS( wxTextDataObject )
+
+public:
+
+  wxTextDataObject() {}
+  wxTextDataObject( const wxString& strText ) 
+    : m_strText(strText) { }
+  
+  virtual wxDataFormat GetFormat() const
+    { return wxDF_TEXT; }
+    
+  void SetText( const wxString& strText) 
+    { m_strText = strText; }
+    
+  wxString GetText() 
+    { return m_strText; }
+
+private:
+  wxString  m_strText;
+
+};
+
+// ----------------------------------------------------------------------------
+// wxFileDataObject is a specialization of wxDataObject for file names
+// ----------------------------------------------------------------------------
+
+class wxFileDataObject : public wxDataObject
+{
+  DECLARE_DYNAMIC_CLASS( wxFileDataObject )
+
+public:
+
+  wxFileDataObject(void) {}
+  
+  virtual wxDataFormat GetFormat() const
+    { return wxDF_FILENAME; }
+    
+  void AddFile( const wxString &file )
+    { m_files += file; m_files += (char)0; }
+    
+  wxString GetFiles()
+    { return m_files; }
+    
+private:
+  wxString  m_files;
+  
+};
+
+// ----------------------------------------------------------------------------
+// wxBitmapDataObject is a specialization of wxDataObject for bitmaps
+// ----------------------------------------------------------------------------
+
+class wxBitmapDataObject : public wxDataObject
+{
+  DECLARE_DYNAMIC_CLASS( wxBitmapDataObject )
+
+public:
+
+  wxBitmapDataObject(void) {}
+  
+  virtual wxDataFormat GetFormat() const
+    { return wxDF_BITMAP; }
+    
+  void SetBitmap( const wxBitmap &bitmap )
+    { m_bitmap = bitmap; }
+    
+  wxBitmap GetBitmap()
+    { return m_bitmap; }
+    
+private:
+  wxBitmap  m_bitmap;
+};
+
+// ----------------------------------------------------------------------------
+// wxPrivateDataObject is a specialization of wxDataObject for app specific data
+// ----------------------------------------------------------------------------
+
+class wxPrivateDataObject : public wxDataObject
+{
+  DECLARE_DYNAMIC_CLASS( wxPrivateDataObject )
+
+public:
+
+  wxPrivateDataObject() 
+    { m_size = 0; m_data = (char*) NULL; }
+    
+  ~wxPrivateDataObject()
+    { if (m_data) delete[] m_data; }
+  
+  virtual wxDataFormat GetFormat() const
+    { return wxDF_PRIVATE; }
+    
+  // 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; }
+
+  // will make internal copy
+  void SetData( const char *data, size_t size );
+    
+  size_t GetDataSize()
+    { return m_size; }
+    
+  char* GetData()
+    { return m_data; }
+    
+private:
+  size_t     m_size;
+  char*      m_data;
+  wxString   m_id;
+};
+
+
+#endif  
+       //__GTKDNDH__
+