wxDropTarget();
~wxDropTarget();
-
+
/* may be overridden to react to events */
virtual void OnEnter();
virtual void OnLeave();
-
+
/* may be overridden to reject certain formats or drops
on certain areas. always returns TRUE by default
indicating that you'd accept the data from the drag. */
virtual bool OnMove( long x, long y );
-
- /* has to be overridden to accept a drop event. call
+
+ /* has to be overridden to accept a drop event. call
IsSupported() to ask which formats are available
- and then call RequestData() to indicate the format
+ and then call RequestData() to indicate the format
you request. */
virtual bool OnDrop( long x, long y );
-
+
/* this gets called once the data has actually arrived. get
it with GetData(). this has to be overridden. */
virtual bool OnData( long x, long y );
/* called to query what formats are available */
bool IsSupported( wxDataFormat format );
-
+
/* fill data with data from the dragging source */
bool GetData( wxDataObject *data );
// implementation
-
+
void RegisterWidget( GtkWidget *widget );
void UnregisterWidget( GtkWidget *widget );
-
+
GdkDragContext *m_dragContext;
GtkWidget *m_dragWidget;
GtkSelectionData *m_dragData;
guint m_dragTime;
bool m_firstMotion; /* gdk has no "gdk_drag_enter" event */
-
+
void SetDragContext( GdkDragContext *dc ) { m_dragContext = dc; }
void SetDragWidget( GtkWidget *w ) { m_dragWidget = w; }
void SetDragData( GtkSelectionData *sd ) { m_dragData = sd; }
virtual bool OnMove( long x, long y );
virtual bool OnDrop( long x, long y );
virtual bool OnData( long x, long y );
-
+
/* you have to override OnDropData to get at the text */
virtual bool OnDropText( long x, long y, const wxChar *text ) = 0;
-
+
};
//-------------------------------------------------------------------------
wxPrivateDropTarget();
/* see SetId() below for explanation */
wxPrivateDropTarget( const wxString &id );
-
+
virtual bool OnMove( long x, long y );
virtual bool OnDrop( long x, long y );
virtual bool OnData( long x, long y );
-
+
/* you have to override OnDropData to get at the data */
virtual bool OnDropData( long x, long y, void *data, size_t size ) = 0;
-
+
/* 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 "application/wxword" or
"image/png". */
void SetId( const wxString& id ) { m_id = id; }
wxString GetId() { return m_id; }
-
+
private:
wxString m_id;
class wxFileDropTarget: public wxDropTarget
{
public:
-
+
wxFileDropTarget() {}
-
+
virtual bool OnMove( long x, long y );
virtual bool OnDrop( long x, long y );
virtual bool OnData( long x, long y );
-
+
/* you have to override OnDropFiles to get at the file names */
virtual bool OnDropFiles( long x, long y, size_t nFiles, const wxChar * const aszFiles[] ) = 0;
/* constructor. set data later with SetData() */
wxDropSource( wxWindow *win, const wxIcon &go = wxNullIcon, const wxIcon &stop = wxNullIcon );
-
+
/* constructor for setting one data object */
- wxDropSource( wxDataObject *data, wxWindow *win, const wxIcon &go = wxNullIcon, const wxIcon &stop = wxNullIcon );
-
+ wxDropSource( wxDataObject& data, wxWindow *win, const wxIcon &go = wxNullIcon, const wxIcon &stop = wxNullIcon );
+
/* constructor for setting several data objects via wxDataBroker */
wxDropSource( wxDataBroker *data, wxWindow *win );
~wxDropSource();
-
+
/* set several dataobjects via wxDataBroker */
void SetData( wxDataBroker *data );
/* set one dataobject */
+ void SetData( wxDataObject& data );
+
+ // this one isn't portable to wxMSW -- deprecated
void SetData( wxDataObject *data );
/* start drag action */
wxDragResult DoDragDrop( bool bAllowMove = FALSE );
-
+
/* override to give feedback */
virtual bool GiveFeedback( wxDragResult WXUNUSED(effect), bool WXUNUSED(bScrolling) ) { return TRUE; }
-
+
/* GTK implementation */
-
+
void RegisterWindow();
void UnregisterWindow();
-
+
GtkWidget *m_widget;
wxWindow *m_window;
wxDragResult m_retValue;
wxDataBroker *m_data;
-
+
wxCursor m_defaultCursor;
wxCursor m_goaheadCursor;
-
+
wxIcon m_goIcon;
wxIcon m_stopIcon;
-
+
bool m_waiting;
};
// wxUSE_DRAG_AND_DROP
-#endif
+#endif
//__GTKDNDH__