+ m_parent->DoAddChild( this );
+
+ PostCreation(size);
+
+ return true;
+}
+
+
+void wxButton::SetDefault()
+{
+ wxWindow *parent = GetParent();
+ wxCHECK_RET( parent, _T("button without parent?") );
+
+ parent->SetDefaultItem(this);
+
+ GTK_WIDGET_SET_FLAGS( m_widget, GTK_CAN_DEFAULT );
+ gtk_widget_grab_default( m_widget );
+
+ SetSize( m_x, m_y, m_width, m_height );
+}
+
+/* static */
+wxSize wxButtonBase::GetDefaultSize()
+{
+#ifdef __WXGTK20__
+ static wxSize size = wxDefaultSize;
+ if (size == wxDefaultSize)
+ {
+ // NB: Default size of buttons should be same as size of stock
+ // buttons as used in most GTK+ apps. Unfortunately it's a little
+ // tricky to obtain this size: stock button's size may be smaller
+ // than size of button in GtkButtonBox and vice versa,
+ // GtkButtonBox's minimal button size may be smaller than stock
+ // button's size. We have to retrieve both values and combine them.
+
+ GtkWidget *wnd = gtk_window_new(GTK_WINDOW_TOPLEVEL);
+ GtkWidget *box = gtk_hbutton_box_new();
+ GtkWidget *btn = gtk_button_new_from_stock(GTK_STOCK_CANCEL);
+ gtk_container_add(GTK_CONTAINER(box), btn);
+ gtk_container_add(GTK_CONTAINER(wnd), box);
+ GtkRequisition req;
+ gtk_widget_size_request(btn, &req);