gtk_signal_connect

[Andr�s]

Hi!

I created a class that connect 2 signals from 2
widgtes to the same function:

class myclass
  {
    char *string;

    myclass
      {
        string = "Hello World";
      }

    void some_function ()
      {
        GtkWidget *button = gtk_new_button_with_label
("Tes")
        GtkWidget *drawing_area = gtk_drawing_area_new
();

        ...

        gtk_widget_show (button);
        gtk_widget_show (drawing_area);

        gtk_signal_connect (GTK_OBJECT (button),
"clicked", GTK_SIGNAL_FUNC (on_button_clicked), this)

        gtk_signal_connect (GTK_OBJECT (drawing_area),
"expose_event", GTK_SIGNAL_FUNC
(on_drawing_area_expose_event), this)
      }

    static void on_button_clicked (GtkButton *button,
gpointer arg)
      {
        ((myclass *) arg)->test ();
      }

    static void on_drawing_area_expose_event
(GtkDrawingArea *drawing_area, gpointer arg)
      {
        ((myclass *) arg)->test ();
      }

    void test ()
      {
        cout << string << "\n";
      }
  }


So... why it works with the "clicked" button's signal,
but it doesn't work with the "expose_event"
drawing_area's signal?

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