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Menu Commands

Interface Builder gives every new application a default main menu that includes the Application, File, Edit, Window, and Help menus. Some of these menus, such as Edit, contain ready-made sets of commands. For example, with the Services submenu (whose items are added by other applications at runtime) you can communicate with other Cocoa applications; and with the Window menu you can manage your application’s windows.

Currency Converter needs only a few commands: the Quit and Hide commands and the Edit menu’s Copy, Cut, and Paste commands. You can delete the unwanted commands if you wish. However, you can also add new ones and get “free” behavior. An application designed in Interface Builder can acquire extra functionality with the simple addition of a menu or menu command, without the need for compilation. For example:

• The Font submenu adds behavior for applying fonts to text in text view objects, like the one in the text view object in the Text palette. Your application gets the Font window and a font manager “for free.” See Font Panel for more information.

• The Text submenu allows you to align text anywhere text is editable, and to display a ruler in the NSText object for tabbing, indentation, and alignment.

• Thanks to the PDF graphics core of Mac OS X, many objects that display text or images can print their contents as PDF data.

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