note description: "Rectangle which displays an option menu when armed" legal: "See notice at end of class."; status: "See notice at end of class."; date: "$Date$"; revision: "$Revision$" class OPTION_B inherit BUTTON redefine implementation, parent, set_size, set_height, set_width end create make, make_unmanaged feature {NONE} -- Initiazliation make (a_name: STRING; a_parent: COMPOSITE) -- Create a menu button with `a_name' as label -- 'a_parent' as parent and call `set_default'. require valid_name: a_name /= Void; valid_parent: a_parent /= Void do create_ev_widget (a_name, a_parent, True) ensure parent_set: parent = a_parent; identifier_set: identifier.is_equal (a_name); managed: managed end; make_unmanaged (a_name: STRING; a_parent: COMPOSITE) -- Create an unmanaged menu button with `a_name' as label -- 'a_parent' as parent and call `set_default'. require valid_name: a_name /= Void; valid_parent: a_parent /= Void do create_ev_widget (a_name, a_parent, False) ensure parent_set: parent = a_parent; identifier_set: identifier.is_equal (a_name); not_managed: not managed end; create_ev_widget (a_name: STRING; a_parent: COMPOSITE; man: BOOLEAN) -- Create a menu button with `a_name' as label -- 'a_parent' as parent and call `set_default'. do depth := a_parent.depth+1; widget_manager.new (Current, a_parent); if a_name /= Void then identifier := a_name.twin else identifier := Void end create {OPTION_B_IMP} implementation.make (Current, man, a_parent); implementation.set_widget_default; set_default end; feature -- Access parent: COMPOSITE -- Parent of current menu button do Result ?= widget_manager.parent (Current) end; selected_button: BUTTON -- Current Push Button selected in the option menu require exists: not destroyed do Result := implementation.selected_button end; title: STRING require exists: not destroyed do Result := implementation.title; end; title_width: INTEGER require exists: not destroyed do Result := implementation.title_width; end; feature -- Element change set_selected_button (button: BUTTON) -- Set `selected_button' to `button' require exists: not destroyed; button_exists: button /= Void do implementation.set_selected_button (button) ensure button = selected_button end; attach_menu (a_menu: OPT_PULL) -- Attach menu `a_menu' to the menu button, it will -- be the menu which will appear when the button -- is armed. require exists: not destroyed; menu_not_void: a_menu /= Void; same_parent: a_menu.parent = parent do implementation.attach_menu (a_menu) end; set_title (a_title: STRING) require exists: not destroyed; do implementation.set_title (a_title); end; remove_title require exists: not destroyed do implementation.remove_title; end; set_size (new_width, new_height: INTEGER) do if new_width > width or new_height > height then unmanage; end; implementation.set_size (new_width, new_height); if not managed then manage; end; end; set_width (new_width: INTEGER) do if new_width > width then unmanage; end; implementation.set_width (new_width); if not managed then manage; end; end; set_height (new_height: INTEGER) do if new_height > height then unmanage; end; implementation.set_height (new_height); if not managed then manage; end; end; feature {G_ANY, G_ANY_I, WIDGET_I, TOOLKIT} -- Implementation implementation: OPTION_B_I; -- Implementation of menu button feature {NONE} -- Implementation set_default -- Set default value to current menu button. do end note copyright: "Copyright (c) 1984-2006, Eiffel Software and others" license: "Eiffel Forum License v2 (see http://www.eiffel.com/licensing/forum.txt)" source: "[ Eiffel Software 356 Storke Road, Goleta, CA 93117 USA Telephone 805-685-1006, Fax 805-685-6869 Website http://www.eiffel.com Customer support http://support.eiffel.com ]" end -- class OPTION_B