5dcec1d99b
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@4127 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
122 lines
3.6 KiB
C++
122 lines
3.6 KiB
C++
///////////////////////////////////////////////////////////////////////////////
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// Name: dnd.h
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// Purpose: declaration of the wxDropTarget class
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// Author: David Webster
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// Modified by:
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// Created: 10/21/99
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// RCS-ID: $Id$
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// Copyright: (c) 1999 David Webster
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// Licence: wxWindows license
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///////////////////////////////////////////////////////////////////////////////
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#ifndef __OS2DNDH__
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#define __OS2DNDH__
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#ifdef __GNUG__
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#pragma interface
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#endif
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#if !wxUSE_DRAG_AND_DROP
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#error "You should #define wxUSE_DRAG_AND_DROP to 1 to compile this file!"
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#endif //WX_DRAG_DROP
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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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/* constructor. set data later with SetData() */
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wxDropSource(wxWindow* pWin);
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/* constructor for setting one data object */
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wxDropSource( wxDataObject& rData,
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wxWindow* pWin,
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);
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virtual ~wxDropSource();
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/* start drag action */
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virtual wxDragResult DoDragDrop(bool bAllowMove = FALSE);
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protected:
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void Init(void);
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bool m_bLazyDrag;
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DRAGIMAGE* m_pDragImage;
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DRAGINFO* m_pDragInfo;
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DRAGTRANSFER* m_pDragTransfer;
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};
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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 ~wxDropTarget();
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void Register(WXHWND hwnd);
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void Revoke(WXHWND hwnd);
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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 bool OnData(wxCoord x, wxCoord y);
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virtual bool GetData();
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// implementation
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protected:
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virtual bool IsAcceptable(DRAGINFO* pInfo);
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DRAGINFO* m_pDragInfo;
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DRAGTRANSFER* m_pDragTransfer;
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};
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// ----------------------------------------------------------------------------
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// A simple wxDropTarget derived class for text data: you only need to
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// override OnDropText() to get something working
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// ----------------------------------------------------------------------------
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class WXDLLEXPORT wxTextDropTarget : public wxDropTarget
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{
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public:
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wxTextDropTarget();
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virtual ~wxTextDropTarget();
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virtual bool OnDropText( wxCoord x
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,wxCoord y
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,const wxString& rText
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) = 0;
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virtual bool OnData( wxCoord x
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,wxCoord y
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);
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};
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// ----------------------------------------------------------------------------
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// A drop target which accepts files (dragged from File Manager or Explorer)
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// ----------------------------------------------------------------------------
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class WXDLLEXPORT wxFileDropTarget : public wxDropTarget
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{
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public:
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wxFileDropTarget();
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virtual ~wxFileDropTarget();
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// parameters are the number of files and the array of file names
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virtual bool OnDropFiles( wxCoord x
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,wxCoord y
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,const wxArrayString& rFilenames
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) = 0;
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virtual bool OnData( wxCoord x
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,wxCoord y
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);
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};
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#endif //__OS2DNDH__
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