Improve sizer support in generic wxNotebook. Fix the widgets sample

to take advantage of it.


git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@35328 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

samples/widgets/widgets.cpp

@@ -327,7 +327,12 @@ WidgetsFrame::WidgetsFrame(const wxString& title)
     //style |= wxNB_NOPAGETHEME;
 
     m_book = new wxBookCtrl(m_panel, wxID_ANY, wxDefaultPosition,
-        wxDefaultSize, style);
+#ifdef __WXMOTIF__
+        wxSize(500, -1), // under Motif, height is a function of the width...
+#else
+        wxDefaultSize,
+#endif
+        style);
     InitBook();
 
 #ifndef __SMARTPHONE__