OS/2 scrolling support

[wxWidgets.git] / include / wx / msw / enhmeta.h

diff --git a/include/wx/msw/enhmeta.h b/include/wx/msw/enhmeta.h
index a7f235453dde6db83f468fc1fef0b91c190e6a3f..bf2574b935cbe507d7f67fb4be8fcbafe43f4d96 100644 (file)
--- a/include/wx/msw/enhmeta.h
+++ b/include/wx/msw/enhmeta.h
@@ -51,6 +51,11 @@ public:
 
     const wxString& GetFileName() const { return m_filename; }
 
 
     const wxString& GetFileName() const { return m_filename; }
 

+    // copy the metafile to the clipboard: the width and height parameters are
+    // for backwards compatibility (with wxMetaFile) only, they are ignored by
+    // this method
+    bool SetClipboard(int width = 0, int height = 0);
+

     // implementation
     WXHANDLE GetHENHMETAFILE() const { return m_hMF; }
     void SetHENHMETAFILE(WXHANDLE hMF) { Free(); m_hMF = hMF; }
     // implementation
     WXHANDLE GetHENHMETAFILE() const { return m_hMF; }
     void SetHENHMETAFILE(WXHANDLE hMF) { Free(); m_hMF = hMF; }


@@ -89,14 +94,14 @@ private:
     DECLARE_DYNAMIC_CLASS(wxEnhMetaFileDC)
 };
 
     DECLARE_DYNAMIC_CLASS(wxEnhMetaFileDC)
 };
 

+#if wxUSE_DRAG_AND_DROP
+

 // ----------------------------------------------------------------------------
 // wxEnhMetaFileDataObject is a specialization of wxDataObject for enh metafile
 // ----------------------------------------------------------------------------
 
 // ----------------------------------------------------------------------------
 // wxEnhMetaFileDataObject is a specialization of wxDataObject for enh metafile
 // ----------------------------------------------------------------------------
 

-#if wxUSE_DRAG_AND_DROP
-

 // notice that we want to support both CF_METAFILEPICT and CF_ENHMETAFILE and
 // notice that we want to support both CF_METAFILEPICT and CF_ENHMETAFILE and

-// so we derive from and not from wxDataObjectSimple
+// so we derive from wxDataObject and not from wxDataObjectSimple

 class WXDLLEXPORT wxEnhMetaFileDataObject : public wxDataObject
 {
 public:
 class WXDLLEXPORT wxEnhMetaFileDataObject : public wxDataObject
 {
 public:


@@ -125,6 +130,38 @@ protected:
     wxEnhMetaFile m_metafile;
 };
 
     wxEnhMetaFile m_metafile;
 };
 

+
+// ----------------------------------------------------------------------------
+// wxEnhMetaFileSimpleDataObject does derive from wxDataObjectSimple which
+// makes it more convenient to use (it can be used with wxDataObjectComposite)
+// at the price of not supoprting any more CF_METAFILEPICT but only
+// CF_ENHMETAFILE
+// ----------------------------------------------------------------------------
+
+class WXDLLEXPORT wxEnhMetaFileSimpleDataObject : public wxDataObjectSimple
+{
+public:
+    // ctors
+    wxEnhMetaFileSimpleDataObject() : wxDataObjectSimple(wxDF_ENHMETAFILE) { }
+    wxEnhMetaFileSimpleDataObject(const wxEnhMetaFile& metafile)
+        : wxDataObjectSimple(wxDF_ENHMETAFILE), m_metafile(metafile) { }
+
+    // virtual functions which you may override if you want to provide data on
+    // demand only - otherwise, the trivial default versions will be used
+    virtual void SetEnhMetafile(const wxEnhMetaFile& metafile)
+        { m_metafile = metafile; }
+    virtual wxEnhMetaFile GetEnhMetafile() const
+        { return m_metafile; }
+
+    // implement base class pure virtuals
+    virtual size_t GetDataSize() const;
+    virtual bool GetDataHere(void *buf) const;
+    virtual bool SetData(size_t len, const void *buf);
+
+protected:
+    wxEnhMetaFile m_metafile;
+};
+

 #endif // wxUSE_DRAG_AND_DROP
 
 #endif // _WX_MSW_ENHMETA_H_
 #endif // wxUSE_DRAG_AND_DROP
 
 #endif // _WX_MSW_ENHMETA_H_