New function to emit the "cancel" signal on a menu shell.

New function to emit the "cancel" signal on a menu shell.

Sun Dec 21 01:54:40 2003  Matthias Clasen  <maclas@gmx.de>

	* gtk/gtkmenushell.h:
	* gtk/gtkmenushell.c (gtk_menu_shell_cancel): New function
	to emit the "cancel" signal on a menu shell.

	* gtk/gtkmenu.c (gtk_menu_key_press):
	* gtk/gtkoptionmenu.c (gtk_option_menu_remove_menu):
	* gtk/gtkmenubar.c (_gtk_menu_bar_cycle_focus): Use the
	new function instead of directly emitting the
	signal.  (#81803, Owen Taylor)