655719367a
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@27408 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
115 lines
3.7 KiB
C++
115 lines
3.7 KiB
C++
///////////////////////////////////////////////////////////////////////////////
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// Name: dnd.h
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// Purpose: Declaration of the wxDropTarget, wxDropSource class etc.
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// Author: Stefan Csomor
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// RCS-ID: $Id$
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// Copyright: (c) 1998 Stefan Csomor
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// Licence: wxWindows licence
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///////////////////////////////////////////////////////////////////////////////
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#ifndef _WX_DND_H_
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#define _WX_DND_H_
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#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
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#pragma interface "dnd.h"
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#endif
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#if wxUSE_DRAG_AND_DROP
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#include "wx/defs.h"
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#include "wx/object.h"
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#include "wx/string.h"
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#include "wx/string.h"
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#include "wx/dataobj.h"
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#include "wx/cursor.h"
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//-------------------------------------------------------------------------
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// classes
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//-------------------------------------------------------------------------
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class WXDLLEXPORT wxWindow;
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class WXDLLEXPORT wxDropTarget;
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class WXDLLEXPORT wxTextDropTarget;
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class WXDLLEXPORT wxFileDropTarget;
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class WXDLLEXPORT wxDropSource;
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// ----------------------------------------------------------------------------
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// macros
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// ----------------------------------------------------------------------------
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// this macro may be used instead for wxDropSource ctor arguments: it will use
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// the icon 'name' from an XPM file under GTK, but will expand to something
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// else under MSW. If you don't use it, you will have to use #ifdef in the
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// application code.
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#define wxDROP_ICON(X) wxCursor( (const char**) X##_xpm )
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//-------------------------------------------------------------------------
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// wxDropTarget
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//-------------------------------------------------------------------------
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class WXDLLEXPORT wxDropTarget: public wxDropTargetBase
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{
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public:
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wxDropTarget(wxDataObject *dataObject = (wxDataObject*) NULL );
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virtual wxDragResult OnDragOver(wxCoord x, wxCoord y, wxDragResult def);
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virtual bool OnDrop(wxCoord x, wxCoord y);
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virtual wxDragResult OnData(wxCoord x, wxCoord y, wxDragResult def);
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virtual bool GetData();
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bool CurrentDragHasSupportedFormat() ;
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void SetCurrentDrag( void* drag ) { m_currentDrag = drag ; }
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void* GetCurrentDrag() { return m_currentDrag ; }
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protected :
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void* m_currentDrag ;
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};
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//-------------------------------------------------------------------------
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// wxDropSource
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//-------------------------------------------------------------------------
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class WXDLLEXPORT wxDropSource: public wxDropSourceBase
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{
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public:
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// ctors: if you use default ctor you must call SetData() later!
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//
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// NB: the "wxWindow *win" parameter is unused and is here only for wxGTK
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// compatibility, as well as both icon parameters
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wxDropSource( wxWindow *win = (wxWindow *)NULL,
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const wxCursor &cursorCopy = wxNullCursor,
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const wxCursor &cursorMove = wxNullCursor,
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const wxCursor &cursorStop = wxNullCursor);
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/* constructor for setting one data object */
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wxDropSource( wxDataObject& data,
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wxWindow *win,
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const wxCursor &cursorCopy = wxNullCursor,
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const wxCursor &cursorMove = wxNullCursor,
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const wxCursor &cursorStop = wxNullCursor);
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~wxDropSource();
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// do it (call this in response to a mouse button press, for example)
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// params: if bAllowMove is false, data can be only copied
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virtual wxDragResult DoDragDrop(int flags = wxDrag_CopyOnly);
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wxWindow* GetWindow() { return m_window ; }
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void SetCurrentDrag( void* drag ) { m_currentDrag = drag ; }
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void* GetCurrentDrag() { return m_currentDrag ; }
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bool MacInstallDefaultCursor(wxDragResult effect) ;
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protected :
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wxWindow *m_window;
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void* m_currentDrag ;
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};
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#endif
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// D&D
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#endif
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//_WX_DND_H_
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