wxWidgets3: update to svn r70933

Externals/wxWidgets3/include/wx/persist/splitter.h

@@ -0,0 +1,69 @@
+///////////////////////////////////////////////////////////////////////////////
+// Name:        wx/persist/splitter.h
+// Purpose:     Persistence support for wxSplitterWindow.
+// Author:      Vadim Zeitlin
+// Created:     2011-08-31
+// RCS-ID:      $Id: splitter.h 69582 2011-10-30 10:08:14Z VZ $
+// Copyright:   (c) 2011 Vadim Zeitlin <vadim@wxwidgets.org>
+// Licence:     wxWindows licence
+///////////////////////////////////////////////////////////////////////////////
+
+#ifndef _WX_PERSIST_SPLITTER_H_
+#define _WX_PERSIST_SPLITTER_H_
+
+#include "wx/persist/window.h"
+
+#include "wx/splitter.h"
+
+// ----------------------------------------------------------------------------
+// string constants used by wxPersistentSplitter
+// ----------------------------------------------------------------------------
+
+#define wxPERSIST_SPLITTER_KIND "Splitter"
+
+// Special position value of -1 means the splitter is not split at all.
+#define wxPERSIST_SPLITTER_POSITION "Position"
+
+// ----------------------------------------------------------------------------
+// wxPersistentSplitter: supports saving/restoring splitter position
+// ----------------------------------------------------------------------------
+
+class wxPersistentSplitter : public wxPersistentWindow<wxSplitterWindow>
+{
+public:
+    wxPersistentSplitter(wxSplitterWindow* splitter)
+        : wxPersistentWindow<wxSplitterWindow>(splitter)
+    {
+    }
+
+    virtual void Save() const
+    {
+        wxSplitterWindow* const splitter = Get();
+
+        int pos = splitter->IsSplit() ? splitter->GetSashPosition() : -1;
+        SaveValue(wxPERSIST_SPLITTER_POSITION, pos);
+    }
+
+    virtual bool Restore()
+    {
+        int pos;
+        if ( !RestoreValue(wxPERSIST_SPLITTER_POSITION, &pos) )
+            return false;
+
+        if ( pos == -1 )
+            Get()->Unsplit();
+        else
+            Get()->SetSashPosition(pos);
+
+        return true;
+    }
+
+    virtual wxString GetKind() const { return wxPERSIST_SPLITTER_KIND; }
+};
+
+inline wxPersistentObject *wxCreatePersistentObject(wxSplitterWindow* splitter)
+{
+    return new wxPersistentSplitter(splitter);
+}
+
+#endif // _WX_PERSIST_SPLITTER_H_