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wxDropSource now has 3 custom cursors for copy/move/nothing

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git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@4165 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Vadim Zeitlin
1999-10-24 19:34:11 +00:00
parent f96ac56ad3
commit 2d93e1335c
4 changed files with 76 additions and 31 deletions
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41
include/wx/dnd.h
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@@ -45,7 +45,13 @@ inline WXDLLEXPORT bool wxIsDragResultOk(wxDragResult res)
class WXDLLEXPORT wxDropSourceBase
{
public:
wxDropSourceBase() { m_data = (wxDataObject *)NULL; }
wxDropSourceBase(const wxCursor &cursorCopy = wxNullCursor,
const wxCursor &cursorMove = wxNullCursor,
const wxCursor &cursorStop = wxNullCursor)
: m_cursorCopy(cursorCopy),
m_cursorMove(cursorMove),
m_cursorStop(cursorStop)
{ m_data = (wxDataObject *)NULL; }
virtual ~wxDropSourceBase() { }
// set the data which is transfered by drag and drop
@@ -55,21 +61,42 @@ public:
wxDataObject *GetDataObject()
{ return m_data; }
// set the icon corresponding to given drag result
void SetCursor(wxDragResult res, const wxCursor& cursor)
{
if ( res == wxDragCopy )
m_cursorCopy = cursor;
else if ( res == wxDragMove )
m_cursorMove = cursor;
else
m_cursorStop = cursor;
}
// start drag action, see enum wxDragResult for return value description
//
// if bAllowMove is TRUE, data can be moved, if not - only copied
virtual wxDragResult DoDragDrop(bool bAllowMove = FALSE) = 0;
// override to give feedback depending on the current operation result
// "effect"
virtual bool GiveFeedback( wxDragResult WXUNUSED(effect),
bool WXUNUSED(bScrolling) )
{
return TRUE;
}
// "effect" and return TRUE if you did something, FALSE to let the library
// give the default feedback
virtual bool GiveFeedback(wxDragResult WXUNUSED(effect)) { return FALSE; }
protected:
const wxCursor& GetCursor(wxDragResult res) const
{
if ( res == wxDragCopy )
return m_cursorCopy;
else if ( res == wxDragMove )
return m_cursorMove;
else
return m_cursorStop;
}
wxDataObject *m_data;
// the cursors to use for feedback
wxCursor m_cursorCopy, m_cursorMove, m_cursorStop;
};
// ----------------------------------------------------------------------------