rem: void clique_sur_entree_date_etat ( GtkWidget *entree, GdkEventButton *ev )
add: gboolean clique_sur_entree_date_etat ( GtkWidget *entree, GdkEventButton *ev )
context: void clique_sur_entree_date_etat ( GtkWidget *entree,				   GdkEventButton *ev ){    GtkWidget *popup_cal;    if ( ev -> type == GDK_2BUTTON_PRESS )    {	gtk_signal_emit_stop_by_name ( GTK_OBJECT ( entree ),				       "button-press-event");	popup_cal = gsb_calendar_new ( entree );	gtk_signal_connect_object ( GTK_OBJECT ( popup_cal ),				    "destroy",				    GTK_SIGNAL_FUNC ( ferme_calendrier ),				    GTK_OBJECT ( entree ) );	gtk_widget_grab_focus ( GTK_WIDGET ( popup_cal ) );    }}