+ (* font sizes *)
+ ignore (gui#main#increaseFontSizeMenuItem#connect#activate (fun _ ->
+ gui#increaseFontSize ();
+ MatitaMathView.increase_font_size ();
+ MatitaMathView.update_font_sizes ()));
+ ignore (gui#main#decreaseFontSizeMenuItem#connect#activate (fun _ ->
+ gui#decreaseFontSize ();
+ MatitaMathView.decrease_font_size ();
+ MatitaMathView.update_font_sizes ()));
+ ignore (gui#main#normalFontSizeMenuItem#connect#activate (fun _ ->
+ gui#resetFontSize ();
+ MatitaMathView.reset_font_size ();
+ MatitaMathView.update_font_sizes ()));
+ MatitaMathView.reset_font_size ();