Don't create multiple parent-less top level frames in layout sample.

[wxWidgets.git] / include / wx / msw / ole / droptgt.h

diff --git a/include/wx/msw/ole/droptgt.h b/include/wx/msw/ole/droptgt.h
index 6fc30359c8d2c8b842f89db38d937e90cf3ba5dc..7b6599092293fa031825582762e879aaf566bd78 100644 (file)
--- a/include/wx/msw/ole/droptgt.h
+++ b/include/wx/msw/ole/droptgt.h
@@ -1,5 +1,5 @@
 ///////////////////////////////////////////////////////////////////////////////
-// Name:        ole/droptgt.h
+// Name:        wx/msw/ole/droptgt.h
 // Purpose:     declaration of the wxDropTarget class
 // Author:      Vadim Zeitlin
 // Modified by:
@@ -19,6 +19,7 @@
 // ----------------------------------------------------------------------------
 
 class  wxIDropTarget;
+struct wxIDropTargetHelper;
 struct IDataObject;
 
 // ----------------------------------------------------------------------------
@@ -60,14 +61,28 @@ public:
     // GetData() when it's called from inside OnData()
     void MSWSetDataSource(IDataObject *pIDataSource);
 
+    // These functions take care of all things necessary to support native drag
+    // images.
+    //
+    // {Init,End}DragImageSupport() are called during Register/Revoke,
+    // UpdateDragImageOnXXX() functions are called on the corresponding drop
+    // target events.
+    void MSWInitDragImageSupport();
+    void MSWEndDragImageSupport();
+    void MSWUpdateDragImageOnData(wxCoord x, wxCoord y, wxDragResult res);
+    void MSWUpdateDragImageOnDragOver(wxCoord x, wxCoord y, wxDragResult res);
+    void MSWUpdateDragImageOnEnter(wxCoord x, wxCoord y, wxDragResult res);
+    void MSWUpdateDragImageOnLeave();
+
 private:
     // helper used by IsAcceptedData() and GetData()
     wxDataFormat MSWGetSupportedFormat(IDataObject *pIDataSource) const;
 
-    wxIDropTarget *m_pIDropTarget; // the pointer to our COM interface
-    IDataObject   *m_pIDataSource; // the pointer to the source data object
+    wxIDropTarget     *m_pIDropTarget; // the pointer to our COM interface
+    IDataObject       *m_pIDataSource; // the pointer to the source data object
+    wxIDropTargetHelper *m_dropTargetHelper; // the drop target helper
 
-    DECLARE_NO_COPY_CLASS(wxDropTarget)
+    wxDECLARE_NO_COPY_CLASS(wxDropTarget);
 };
 
 #endif  //wxUSE_DRAG_AND_DROP