Add wx headers and ext

wxheaders/wx/msw/ole/dropsrc.h

@@ -0,0 +1,78 @@
+///////////////////////////////////////////////////////////////////////////////
+// Name:        wx/msw/ole/dropsrc.h
+// Purpose:     declaration of the wxDropSource class
+// Author:      Vadim Zeitlin
+// Modified by:
+// Created:     06.03.98
+// Copyright:   (c) 1998 Vadim Zeitlin <zeitlin@dptmaths.ens-cachan.fr>
+// Licence:     wxWindows licence
+///////////////////////////////////////////////////////////////////////////////
+
+#ifndef   _WX_OLEDROPSRC_H
+#define   _WX_OLEDROPSRC_H
+
+#if wxUSE_DRAG_AND_DROP
+
+// ----------------------------------------------------------------------------
+// forward declarations
+// ----------------------------------------------------------------------------
+
+class wxIDropSource;
+class WXDLLIMPEXP_FWD_CORE wxDataObject;
+class WXDLLIMPEXP_FWD_CORE wxWindow;
+
+// ----------------------------------------------------------------------------
+// macros
+// ----------------------------------------------------------------------------
+
+// this macro may be used instead for wxDropSource ctor arguments: it will use
+// the cursor 'name' from the resources under MSW, but will expand to
+// something else under GTK. If you don't use it, you will have to use #ifdef
+// in the application code.
+#define wxDROP_ICON(name)   wxCursor(wxT(#name))
+
+// ----------------------------------------------------------------------------
+// wxDropSource is used to start the drag-&-drop operation on associated
+// wxDataObject object. It's responsible for giving UI feedback while dragging.
+// ----------------------------------------------------------------------------
+
+class WXDLLIMPEXP_CORE wxDropSource : public wxDropSourceBase
+{
+public:
+    // ctors: if you use default ctor you must call SetData() later!
+    //
+    // NB: the "wxWindow *win" parameter is unused and is here only for wxGTK
+    //     compatibility, as well as both icon parameters
+    wxDropSource(wxWindow *win = NULL,
+                 const wxCursor &cursorCopy = wxNullCursor,
+                 const wxCursor &cursorMove = wxNullCursor,
+                 const wxCursor &cursorStop = wxNullCursor);
+    wxDropSource(wxDataObject& data,
+                 wxWindow *win = NULL,
+                 const wxCursor &cursorCopy = wxNullCursor,
+                 const wxCursor &cursorMove = wxNullCursor,
+                 const wxCursor &cursorStop = wxNullCursor);
+
+    virtual ~wxDropSource();
+
+    // do it (call this in response to a mouse button press, for example)
+    // params: if bAllowMove is false, data can be only copied
+    virtual wxDragResult DoDragDrop(int flags = wxDrag_CopyOnly) wxOVERRIDE;
+
+    // overridable: you may give some custom UI feedback during d&d operation
+    // in this function (it's called on each mouse move, so it shouldn't be
+    // too slow). Just return false if you want default feedback.
+    virtual bool GiveFeedback(wxDragResult effect) wxOVERRIDE;
+
+protected:
+    void Init();
+
+private:
+    wxIDropSource *m_pIDropSource;  // the pointer to COM interface
+
+    wxDECLARE_NO_COPY_CLASS(wxDropSource);
+};
+
+#endif  //wxUSE_DRAG_AND_DROP
+
+#endif  //_WX_OLEDROPSRC_H