improved const-ness of find/Find functions

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

diff --git a/include/wx/gtk1/dnd.h b/include/wx/gtk1/dnd.h
index 937fe1aa896ddba3a793568d0b45aefeaaa1493f..c2210c23a34f55f3408f3aaca4b1a8fd3970d16d 100644 (file)
--- a/include/wx/gtk1/dnd.h
+++ b/include/wx/gtk1/dnd.h
@@ -4,31 +4,25 @@
 // Author:      Robert Roebling
 // RCS-ID:      $Id$
 // Copyright:   (c) 1998 Vadim Zeitlin, Robert Roebling
 // Author:      Robert Roebling
 // RCS-ID:      $Id$
 // Copyright:   (c) 1998 Vadim Zeitlin, Robert Roebling

-// Licence:     wxWindows license
+// Licence:     wxWindows licence

 ///////////////////////////////////////////////////////////////////////////////
 
 
 #ifndef __GTKDNDH__
 #define __GTKDNDH__
 
 ///////////////////////////////////////////////////////////////////////////////
 
 
 #ifndef __GTKDNDH__
 #define __GTKDNDH__
 

-#ifdef __GNUG__
+#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)

 #pragma interface
 #endif
 
 #pragma interface
 #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"

-
-//-------------------------------------------------------------------------
-// conditional compilation
-//-------------------------------------------------------------------------
-
-#if (GTK_MINOR_VERSION == 1)
-#if (GTK_MICRO_VERSION >= 3)
-#define NEW_GTK_DND_CODE
-#endif
-#endif
+#include "wx/icon.h"
+#include "wx/gdicmn.h"

 
 //-------------------------------------------------------------------------
 // classes
 
 //-------------------------------------------------------------------------
 // classes


@@ -36,196 +30,106 @@
 
 class wxWindow;
 
 
 class wxWindow;
 

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

 class wxDropTarget;
 class wxTextDropTarget;
 class wxFileDropTarget;
 
 class wxDropSource;
 
 class wxDropTarget;
 class wxTextDropTarget;
 class wxFileDropTarget;
 
 class wxDropSource;
 

+// ----------------------------------------------------------------------------
+// macros
+// ----------------------------------------------------------------------------
+
+// this macro may be used instead for wxDropSource ctor arguments: it will use
+// the icon 'name' from an XPM file under GTK, but will expand to something
+// else under MSW. If you don't use it, you will have to use #ifdef in the
+// application code.
+#define wxDROP_ICON(name)   wxICON(name)
+

 //-------------------------------------------------------------------------
 //-------------------------------------------------------------------------

-// wxDataObject
+// wxDropTarget

 //-------------------------------------------------------------------------
 
 //-------------------------------------------------------------------------
 

-class wxDataObject: public wxObject
+class wxDropTarget: public wxDropTargetBase

 {
 public:
 {
 public:

+    wxDropTarget(wxDataObject *dataObject = (wxDataObject*) NULL );

 
 

-  wxDataObject() {};
-  ~wxDataObject() {};
-
-  virtual wxDataFormat GetPreferredFormat() const = 0;
-  virtual bool IsSupportedFormat( wxDataFormat format ) const = 0;
-  virtual size_t GetDataSize() const = 0;
-  virtual void GetDataHere( void *data ) const = 0;
+    virtual wxDragResult OnDragOver(wxCoord x, wxCoord y, wxDragResult def);
+    virtual bool OnDrop(wxCoord x, wxCoord y);
+    virtual wxDragResult OnData(wxCoord x, wxCoord y, wxDragResult def);
+    virtual bool GetData();

 
 

-};
-
-// ----------------------------------------------------------------------------
-// wxTextDataObject is a specialization of wxDataObject for text data
-// ----------------------------------------------------------------------------
-
-class wxTextDataObject : public wxDataObject
-{
-public:
+  // implementation

 
 

-  wxTextDataObject() { }
-  wxTextDataObject(const wxString& strText) : m_strText(strText) { }
-  void Init(const wxString& strText) { m_strText = strText; }
+    GdkAtom GetMatchingPair();

 
 

-  virtual wxDataFormat GetPreferredFormat() const
-    { return wxDF_TEXT; }
-    
-  virtual bool IsSupportedFormat(wxDataFormat format) const
-    { return format == wxDF_TEXT; }
+    void RegisterWidget( GtkWidget *widget );
+    void UnregisterWidget( GtkWidget *widget );

 
 

-  virtual size_t GetDataSize() const
-    { return m_strText.Len() + 1; } // +1 for trailing '\0'
-    
-  virtual void GetDataHere( void *data ) const
-    { memcpy(data, m_strText.c_str(), GetDataSize()); }
+    GdkDragContext     *m_dragContext;
+    GtkWidget          *m_dragWidget;
+    GtkSelectionData   *m_dragData;
+    guint               m_dragTime;
+    bool                m_firstMotion;     // gdk has no "gdk_drag_enter" event

 
 

-private:
-  wxString  m_strText;
-  
+    void SetDragContext( GdkDragContext *dc ) { m_dragContext = dc; }
+    void SetDragWidget( GtkWidget *w ) { m_dragWidget = w; }
+    void SetDragData( GtkSelectionData *sd ) { m_dragData = sd; }
+    void SetDragTime( guint time ) { m_dragTime = time; }

 };
 
 };
 

-// ----------------------------------------------------------------------------
-// wxFileDataObject is a specialization of wxDataObject for file names
-// ----------------------------------------------------------------------------
+//-------------------------------------------------------------------------
+// wxDropSource
+//-------------------------------------------------------------------------

 
 

-class wxFileDataObject : public wxDataObject
+class wxDropSource: public wxDropSourceBase

 {
 public:
 {
 public:

+    // constructor. set data later with SetData()
+    wxDropSource( wxWindow *win = (wxWindow *)NULL,
+                  const wxIcon &copy = wxNullIcon,
+                  const wxIcon &move = wxNullIcon,
+                  const wxIcon &none = wxNullIcon);

 
 

-  wxFileDataObject(void) { }
-  void AddFile( const wxString &file )
-    { m_files += file; m_files += '\0'; }
-
-  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(); } // no trailing '\0'
-    
-  virtual void GetDataHere( void *data ) const
-    { memcpy(data, m_files.c_str(), GetDataSize()); }
+    // constructor for setting one data object
+    wxDropSource( wxDataObject& data,
+                  wxWindow *win,
+                  const wxIcon &copy = wxNullIcon,
+                  const wxIcon &move = wxNullIcon,
+                  const wxIcon &none = wxNullIcon);

 
 

-private:
-  wxString  m_files;
-  
-};
-//-------------------------------------------------------------------------
-// wxDropTarget
-//-------------------------------------------------------------------------
+    virtual ~wxDropSource();

 
 

-class wxDropTarget: public wxObject
-{
-  public:
-
-    wxDropTarget();
-    ~wxDropTarget();
-    
-    virtual void OnEnter() { }
-    virtual void OnLeave() { }
-    virtual bool OnDrop( long x, long y, const void *data, size_t size ) = 0;
-
-    // Override these to indicate what kind of data you support: 
-  
-    virtual size_t GetFormatCount() const = 0;
-    virtual wxDataFormat GetFormat(size_t n) const = 0;
-  
-  // implementation
-  
-    void RegisterWidget( GtkWidget *widget );
-    void UnregisterWidget( GtkWidget *widget );
-};
+    // start drag action
+    virtual wxDragResult DoDragDrop(int flags = wxDrag_CopyOnly);

 
 

-//-------------------------------------------------------------------------
-// wxTextDropTarget
-//-------------------------------------------------------------------------
+    // GTK implementation
+    void RegisterWindow();
+    void UnregisterWindow();

 
 

-class wxTextDropTarget: public wxDropTarget
-{
-  public:
-
-    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;
-};
+    void PrepareIcon( int action, GdkDragContext *context );

 
 

-// ----------------------------------------------------------------------------
-// A drop target which accepts files (dragged from File Manager or Explorer)
-// ----------------------------------------------------------------------------
+    GtkWidget       *m_widget;
+    GtkWidget       *m_iconWindow;
+    GdkDragContext  *m_dragContext;
+    wxWindow        *m_window;

 
 

-class wxFileDropTarget: public wxDropTarget
-{
-  public:
-    
-    wxFileDropTarget() {};
-    
-    virtual bool OnDrop( long x, long y, const void *data, size_t size );
-    virtual bool OnDropFiles( long x, long y, 
-                              size_t nFiles, const char * const aszFiles[] );
-
-  protected:
-  
-    virtual size_t GetFormatCount() const;
-    virtual wxDataFormat GetFormat(size_t n) const;
-};
+    wxDragResult     m_retValue;
+    wxIcon           m_iconCopy,
+                     m_iconMove,
+                     m_iconNone;

 
 

-//-------------------------------------------------------------------------
-// wxDropSource
-//-------------------------------------------------------------------------
+    bool             m_waiting;

 
 

-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
-  wxDragCancel    // the operation was cancelled by user (not an error)
+private:
+    // common part of both ctors
+    void SetIcons(const wxIcon& copy,
+                  const wxIcon& move,
+                  const wxIcon& none);

 };
 
 };
 

-class wxDropSource: public wxObject
-{
-  public:
-
-    wxDropSource( wxWindow *win );
-    wxDropSource( wxDataObject &data, wxWindow *win );
-    
-    ~wxDropSource(void);
-    
-    void SetData( wxDataObject &data  );
-    wxDragResult DoDragDrop( bool bAllowMove = FALSE );
-    
-    virtual bool GiveFeedback( wxDragResult WXUNUSED(effect), bool WXUNUSED(bScrolling) ) { return TRUE; };
-  
-  // implementation
-      
-    void RegisterWindow(void);
-    void UnregisterWindow(void);
-  
-    GtkWidget     *m_widget;
-    wxWindow      *m_window;
-    wxDragResult   m_retValue;
-    wxDataObject  *m_data;
-    
-    wxCursor      m_defaultCursor;
-    wxCursor      m_goaheadCursor;
-};
+#endif // wxUSE_DRAG_AND_DROP

 
 

-#endif  
-       //__GTKDNDH__
+#endif //__GTKDNDH__