class wxDropSource;
-//-------------------------------------------------------------------------
-// wxDropSource
-//-------------------------------------------------------------------------
-
-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 (MSW only)
- wxDragCancel // the operation was cancelled by user (not an error)
-};
-
-class wxDropSource: public wxObject
-{
-public:
-
- /* 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 );
-
- /* 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 );
-
- /* 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;
-};
-
-#include "gtk/gtk.h"
-#if (GTK_MINOR_VERSION > 0)
-
//-------------------------------------------------------------------------
// wxDropTarget
//-------------------------------------------------------------------------
/* may be overridden to react to events */
virtual void OnEnter();
virtual void OnLeave();
- virtual bool OnMove( int x, int y );
-
- /* has te be overridden to get data */
- virtual bool OnDrop( int x, int y );
+
+ /* 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
+ IsSupported() to ask which formats are available
+ 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 formats available */
+ /* called from within OnDrop() to request a certain format
+ from the drop event. */
+ bool RequestData( wxDataFormat format );
+
+ /* called to query what formats are available */
bool IsSupported( wxDataFormat format );
- /* fill data with data on the clipboard (if available) */
+ /* fill data with data from the dragging source */
bool GetData( wxDataObject *data );
// implementation
void RegisterWidget( GtkWidget *widget );
void UnregisterWidget( GtkWidget *widget );
- GdkDragContext *m_dragContext;
+ 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; }
- GdkDragContext *GetDragContext() { return m_dragContext; }
+ void SetDragWidget( GtkWidget *w ) { m_dragWidget = w; }
+ void SetDragData( GtkSelectionData *sd ) { m_dragData = sd; }
+ void SetDragTime( guint time ) { m_dragTime = time; }
};
//-------------------------------------------------------------------------
wxTextDropTarget() {}
- virtual bool OnMove( int x, int y );
- virtual bool OnDrop( int x, int y );
+ 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( int x, int y, const char *text ) = 0;
+ virtual bool OnDropText( long x, long y, const wxChar *text ) = 0;
};
/* see SetId() below for explanation */
wxPrivateDropTarget( const wxString &id );
- virtual bool OnMove( int x, int y );
- virtual bool OnDrop( int x, int y );
+ 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( int x, int y, void *data, size_t size ) = 0;
+ 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
wxFileDropTarget() {}
- virtual bool OnMove( int x, int y );
- virtual bool OnDrop( int x, int y );
+ 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( int x, int y, size_t nFiles, const char * const aszFiles[] ) = 0;
+ virtual bool OnDropFiles( long x, long y, size_t nFiles, const wxChar * const aszFiles[] ) = 0;
};
-#else
-
//-------------------------------------------------------------------------
-// wxDropTarget
-//-------------------------------------------------------------------------
-
-class wxDropTarget: public wxObject
-{
- public:
-
- wxDropTarget();
- ~wxDropTarget();
-
- virtual void OnEnter() { }
- virtual void OnLeave() { }
- virtual void OnMouseMove( long WXUNUSED(x), long WXUNUSED(y) ) { }
- 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;
-
- // implementation
-
- void RegisterWidget( GtkWidget *widget );
- void UnregisterWidget( GtkWidget *widget );
-
- wxDataFormat *m_format;
-};
-
-//-------------------------------------------------------------------------
-// wxTextDropTarget
+// wxDropSource
//-------------------------------------------------------------------------
-class wxTextDropTarget: public wxDropTarget
+enum wxDragResult
{
- 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;
+ 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 (MSW only)
+ wxDragCancel // the operation was cancelled by user (not an error)
};
-//-------------------------------------------------------------------------
-// wxPrivateDropTarget
-//-------------------------------------------------------------------------
-
-class wxPrivateDropTarget: public wxDropTarget
+class wxDropSource: public wxObject
{
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 "application/wxword" or
- // "image/png".
+ /* constructor. set data later with SetData() */
+ wxDropSource( wxWindow *win, const wxIcon &go = wxNullIcon, const wxIcon &stop = wxNullIcon );
- void SetId( const wxString& id );
+ /* constructor for setting one data object */
+ wxDropSource( wxDataObject *data, wxWindow *win, const wxIcon &go = wxNullIcon, const wxIcon &stop = wxNullIcon );
- wxString GetId()
- { return m_id; }
-
-private:
+ /* constructor for setting several data objects via wxDataBroker */
+ wxDropSource( wxDataBroker *data, wxWindow *win );
- virtual size_t GetFormatCount() const;
+ ~wxDropSource();
- wxString m_id;
-};
+ /* set several dataobjects via wxDataBroker */
+ void SetData( wxDataBroker *data );
-//----------------------------------------------------------------------------
-// A drop target which accepts files (dragged from File Manager or Explorer)
-//----------------------------------------------------------------------------
+ /* set one dataobject */
+ void SetData( wxDataObject *data );
-class wxFileDropTarget: public wxDropTarget
-{
- public:
-
- wxFileDropTarget();
+ /* start drag action */
+ wxDragResult DoDragDrop( bool bAllowMove = FALSE );
- 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:
+ /* override to give feedback */
+ virtual bool GiveFeedback( wxDragResult WXUNUSED(effect), bool WXUNUSED(bScrolling) ) { return TRUE; }
- virtual size_t GetFormatCount() const;
+ /* 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;
};
-#endif
-
-
#endif
// wxUSE_DRAG_AND_DROP
projects / wxWidgets.git / blobdiff