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Support for new native OS/2 tree control with drag-and-drop.

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git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@18909 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
David Webster
2003-01-24 22:31:41 +00:00
parent c0ae383ac0
commit 4fd899b671
13 changed files with 3769 additions and 576 deletions
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56
include/wx/os2/dnd.h
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@@ -23,6 +23,8 @@
#include <pmstddlg.h>
#endif
class CIDropTarget;
//-------------------------------------------------------------------------
// wxDropSource
//-------------------------------------------------------------------------
@@ -41,41 +43,57 @@ public:
/* start drag action */
virtual wxDragResult DoDragDrop(int flags = wxDrag_CopyOnly);
virtual bool GiveFeedback(wxDragResult eEffect);
protected:
void Init(void);
bool m_bLazyDrag;
DRAGIMAGE* m_pDragImage;
DRAGINFO* m_pDragInfo;
DRAGTRANSFER* m_pDragTransfer;
};
ULONG m_ulItems;
PDRAGINFO m_pDragInfo;
DRAGIMAGE m_vDragImage;
PDRAGITEM m_pDragItem;
wxWindow* m_pWindow;
}; // end of CLASS wxDropSource
//-------------------------------------------------------------------------
// wxDropTarget
//-------------------------------------------------------------------------
class WXDLLEXPORT wxDropTarget: public wxDropTargetBase
class WXDLLEXPORT wxDropTarget : public wxDropTargetBase
{
public:
wxDropTarget(wxDataObject *dataObject = (wxDataObject*)NULL);
wxDropTarget(wxDataObject* pDataObject = (wxDataObject*)NULL);
virtual ~wxDropTarget();
void Register(WXHWND hwnd);
void Revoke(WXHWND hwnd);
//
// These functions are called when data is moved over position (x, y) and
// may return either wxDragCopy, wxDragMove or wxDragNone depending on
// what would happen if the data were dropped here.
//
// The last parameter is what would happen by default and is determined by
// the platform-specific logic (for example, under Windows it's wxDragCopy
// if Ctrl key is pressed and wxDragMove otherwise) except that it will
// always be wxDragNone if the carried data is in an unsupported format.
//
// OnData must be implemented and other should be overridden by derived classes
//
virtual wxDragResult OnData( wxCoord vX
,wxCoord vY
,wxDragResult eResult
);
virtual bool OnDrop( wxCoord vX
,wxCoord vY
);
bool IsAcceptedData(PDRAGINFO pDataSource) const;
virtual wxDragResult OnDragOver(wxCoord x, wxCoord y, wxDragResult def);
virtual bool OnDrop(wxCoord x, wxCoord y);
virtual wxDragResult OnData(wxCoord x, wxCoord y, wxDragResult vResult);
virtual bool GetData();
// implementation
protected:
virtual bool IsAcceptable(DRAGINFO* pInfo);
virtual bool GetData(void);
wxDataFormat GetSupportedFormat(PDRAGINFO pDataSource) const;
void Release(void);
DRAGINFO* m_pDragInfo;
DRAGTRANSFER* m_pDragTransfer;
};
private:
CIDropTarget* m_pDropTarget;
}; // end of CLASS wxDropTarget
#endif //__OS2DNDH__