/////////////////////////////////////////////////////////////////////////////// // Name: wx/mac/classic/dnd.h // Purpose: Declaration of the wxDropTarget, wxDropSource class etc. // Author: Stefan Csomor // RCS-ID: $Id$ // Copyright: (c) 1998 Stefan Csomor // Licence: wxWindows licence /////////////////////////////////////////////////////////////////////////////// #ifndef _WX_DND_H_ #define _WX_DND_H_ #if wxUSE_DRAG_AND_DROP #include "wx/defs.h" #include "wx/object.h" #include "wx/string.h" #include "wx/string.h" #include "wx/dataobj.h" #include "wx/cursor.h" //------------------------------------------------------------------------- // classes //------------------------------------------------------------------------- class WXDLLEXPORT wxWindow; class WXDLLEXPORT wxDropTarget; class WXDLLEXPORT wxTextDropTarget; class WXDLLEXPORT wxFileDropTarget; class WXDLLEXPORT 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(X) wxCursor( (const char**) X##_xpm ) //------------------------------------------------------------------------- // wxDropTarget //------------------------------------------------------------------------- class WXDLLEXPORT wxDropTarget: public wxDropTargetBase { public: wxDropTarget(wxDataObject *dataObject = (wxDataObject*) NULL ); 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(); bool CurrentDragHasSupportedFormat() ; void SetCurrentDrag( void* drag ) { m_currentDrag = drag ; } void* GetCurrentDrag() { return m_currentDrag ; } protected : void* m_currentDrag ; }; //------------------------------------------------------------------------- // wxDropSource //------------------------------------------------------------------------- class WXDLLEXPORT wxDropSource: public wxDropSourceBase { public: // ctors: if you use default ctor you must call SetData() later! // // NB: the "wxWindow *win" parameter is unused and is here only for wxGTK // compatibility, as well as both icon parameters wxDropSource( wxWindow *win = (wxWindow *)NULL, const wxCursor &cursorCopy = wxNullCursor, const wxCursor &cursorMove = wxNullCursor, const wxCursor &cursorStop = wxNullCursor); /* constructor for setting one data object */ wxDropSource( wxDataObject& data, wxWindow *win, const wxCursor &cursorCopy = wxNullCursor, const wxCursor &cursorMove = wxNullCursor, const wxCursor &cursorStop = wxNullCursor); virtual ~wxDropSource(); // do it (call this in response to a mouse button press, for example) // params: if bAllowMove is false, data can be only copied virtual wxDragResult DoDragDrop(int flags = wxDrag_CopyOnly); wxWindow* GetWindow() { return m_window ; } void SetCurrentDrag( void* drag ) { m_currentDrag = drag ; } void* GetCurrentDrag() { return m_currentDrag ; } bool MacInstallDefaultCursor(wxDragResult effect) ; protected : wxWindow *m_window; void* m_currentDrag ; }; #endif // wxUSE_DRAG_AND_DROP #endif //_WX_DND_H_