79 lines
3.0 KiB
C
79 lines
3.0 KiB
C
|
///////////////////////////////////////////////////////////////////////////////
|
||
|
|
// Name: wx/msw/ole/dropsrc.h
|
||
|
|
// Purpose: declaration of the wxDropSource class
|
||
|
|
// Author: Vadim Zeitlin
|
||
|
|
// Modified by:
|
||
|
|
// Created: 06.03.98
|
||
|
|
// Copyright: (c) 1998 Vadim Zeitlin <zeitlin@dptmaths.ens-cachan.fr>
|
||
|
|
// Licence: wxWindows licence
|
||
|
|
///////////////////////////////////////////////////////////////////////////////
|
||
|
|
|
||
|
|
#ifndef _WX_OLEDROPSRC_H
|
||
|
|
#define _WX_OLEDROPSRC_H
|
||
|
|
|
||
|
|
#if wxUSE_DRAG_AND_DROP
|
||
|
|
|
||
|
|
// ----------------------------------------------------------------------------
|
||
|
|
// forward declarations
|
||
|
|
// ----------------------------------------------------------------------------
|
||
|
|
|
||
|
|
class wxIDropSource;
|
||
|
|
class WXDLLIMPEXP_FWD_CORE wxDataObject;
|
||
|
|
class WXDLLIMPEXP_FWD_CORE wxWindow;
|
||
|
|
|
||
|
|
// ----------------------------------------------------------------------------
|
||
|
|
// macros
|
||
|
|
// ----------------------------------------------------------------------------
|
||
|
|
|
||
|
|
// this macro may be used instead for wxDropSource ctor arguments: it will use
|
||
|
|
// the cursor 'name' from the resources under MSW, but will expand to
|
||
|
|
// something else under GTK. If you don't use it, you will have to use #ifdef
|
||
|
|
// in the application code.
|
||
|
|
#define wxDROP_ICON(name) wxCursor(wxT(#name))
|
||
|
|
|
||
|
|
// ----------------------------------------------------------------------------
|
||
|
|
// wxDropSource is used to start the drag-&-drop operation on associated
|
||
|
|
// wxDataObject object. It's responsible for giving UI feedback while dragging.
|
||
|
|
// ----------------------------------------------------------------------------
|
||
|
|
|
||
|
|
class WXDLLIMPEXP_CORE 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 = NULL,
|
||
|
|
const wxCursor &cursorCopy = wxNullCursor,
|
||
|
|
const wxCursor &cursorMove = wxNullCursor,
|
||
|
|
const wxCursor &cursorStop = wxNullCursor);
|
||
|
|
wxDropSource(wxDataObject& data,
|
||
|
|
wxWindow *win = NULL,
|
||
|
|
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);
|
||
|
|
|
||
|
|
// overridable: you may give some custom UI feedback during d&d operation
|
||
|
|
// in this function (it's called on each mouse move, so it shouldn't be
|
||
|
|
// too slow). Just return false if you want default feedback.
|
||
|
|
virtual bool GiveFeedback(wxDragResult effect);
|
||
|
|
|
||
|
|
protected:
|
||
|
|
void Init();
|
||
|
|
|
||
|
|
private:
|
||
|
|
wxIDropSource *m_pIDropSource; // the pointer to COM interface
|
||
|
|
|
||
|
|
wxDECLARE_NO_COPY_CLASS(wxDropSource);
|
||
|
|
};
|
||
|
|
|
||
|
|
#endif //wxUSE_DRAG_AND_DROP
|
||
|
|
|
||
|
|
#endif //_WX_OLEDROPSRC_H
|