+/* static */
+wxLayoutDirection wxWindowGTK::GTKGetLayout(GtkWidget *widget)
+{
+ return gtk_widget_get_direction(GTK_WIDGET(widget)) == GTK_TEXT_DIR_RTL
+ ? wxLayout_RightToLeft
+ : wxLayout_LeftToRight;
+}
+
+/* static */
+void wxWindowGTK::GTKSetLayout(GtkWidget *widget, wxLayoutDirection dir)
+{
+ wxASSERT_MSG( dir != wxLayout_Default, _T("invalid layout direction") );
+
+ gtk_widget_set_direction(GTK_WIDGET(widget),
+ dir == wxLayout_RightToLeft ? GTK_TEXT_DIR_RTL
+ : GTK_TEXT_DIR_LTR);
+}
+
+wxLayoutDirection wxWindowGTK::GetLayoutDirection() const
+{
+ return GTKGetLayout(m_widget);
+}
+
+void wxWindowGTK::SetLayoutDirection(wxLayoutDirection dir)
+{
+ if ( dir == wxLayout_Default )
+ {
+ const wxWindow *const parent = GetParent();
+ if ( parent )
+ {
+ // inherit layout from parent.
+ dir = parent->GetLayoutDirection();
+ }
+ else // no parent, use global default layout
+ {
+ dir = wxTheApp->GetLayoutDirection();
+ }
+ }
+
+ if ( dir == wxLayout_Default )
+ return;
+
+ GTKSetLayout(m_widget, dir);
+
+ if (m_wxwindow)
+ GTKSetLayout(m_wxwindow, dir);
+}
+
+wxCoord
+wxWindowGTK::AdjustForLayoutDirection(wxCoord x,
+ wxCoord WXUNUSED(width),
+ wxCoord WXUNUSED(widthTotal)) const
+{
+ // We now mirrors the coordinates of RTL windows in GtkPizza
+ return x;
+}
+