- // same problem described above: using p->Get[Best|Min]Size() here we
- // would get the size of the control when it is expanded even if the
- // expanded->collapsed transition should be complete now...
- // So, we use the size cached at control-creation time...
- sz = p->m_szCollapsed;
+ // 2) recalculate minimal size of the top window
+ wxSize sz = top->GetSizer()->CalcMin();
+
+ if (top->m_mainWidget)
+ {
+ // 3) MAGIC HACK: if you ever used GtkExpander in a GTK+ program
+ // you know that this magic call is required to make it possible
+ // to shrink the top level window in the expanded->collapsed
+ // transition. This may be sometimes undesired but *is*
+ // necessary and if you look carefully, all GTK+ programs using
+ // GtkExpander perform this trick (e.g. the standard "open file"
+ // dialog of GTK+>=2.4 is not resizeable when the expander is
+ // collapsed!)
+ gtk_window_set_resizable (GTK_WINDOW (top->m_widget), p->IsExpanded());
+
+ // 4) set size hints
+ top->SetMinClientSize(sz);
+
+ // 5) set size
+ top->SetClientSize(sz);
+ }