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