wxDropSource now has 3 custom cursors for copy/move/nothing
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@4165 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
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@@ -45,7 +45,13 @@ inline WXDLLEXPORT bool wxIsDragResultOk(wxDragResult res)
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class WXDLLEXPORT wxDropSourceBase
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{
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public:
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wxDropSourceBase() { m_data = (wxDataObject *)NULL; }
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wxDropSourceBase(const wxCursor &cursorCopy = wxNullCursor,
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const wxCursor &cursorMove = wxNullCursor,
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const wxCursor &cursorStop = wxNullCursor)
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: m_cursorCopy(cursorCopy),
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m_cursorMove(cursorMove),
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m_cursorStop(cursorStop)
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{ m_data = (wxDataObject *)NULL; }
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virtual ~wxDropSourceBase() { }
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// set the data which is transfered by drag and drop
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@@ -55,21 +61,42 @@ public:
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wxDataObject *GetDataObject()
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{ return m_data; }
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// set the icon corresponding to given drag result
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void SetCursor(wxDragResult res, const wxCursor& cursor)
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{
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if ( res == wxDragCopy )
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m_cursorCopy = cursor;
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else if ( res == wxDragMove )
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m_cursorMove = cursor;
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else
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m_cursorStop = cursor;
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}
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// start drag action, see enum wxDragResult for return value description
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//
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// if bAllowMove is TRUE, data can be moved, if not - only copied
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virtual wxDragResult DoDragDrop(bool bAllowMove = FALSE) = 0;
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// override to give feedback depending on the current operation result
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// "effect"
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virtual bool GiveFeedback( wxDragResult WXUNUSED(effect),
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bool WXUNUSED(bScrolling) )
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{
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return TRUE;
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}
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// "effect" and return TRUE if you did something, FALSE to let the library
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// give the default feedback
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virtual bool GiveFeedback(wxDragResult WXUNUSED(effect)) { return FALSE; }
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protected:
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const wxCursor& GetCursor(wxDragResult res) const
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{
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if ( res == wxDragCopy )
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return m_cursorCopy;
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else if ( res == wxDragMove )
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return m_cursorMove;
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else
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return m_cursorStop;
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}
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wxDataObject *m_data;
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// the cursors to use for feedback
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wxCursor m_cursorCopy, m_cursorMove, m_cursorStop;
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};
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// ----------------------------------------------------------------------------
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