September 2002
Intermediate to advanced
1272 pages
31h 12m
English
Content preview from Cocoa® Programming
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Contextual Menus
In addition to an application’s main menu, Cocoa supports contextual menus. A contextual menu is a menu that pops up when the user Control-clicks on a user interface object. The menu changes depending on the item clicked. The idea is to offer a menu of commands that are available for that particular user interface item. For example, clicking the document area of the TextEdit application opens a menu similar to the one shown in Figure 16.3.
Figure 16.3. A contextual menu in TextEdit.
Contextual menus are defined on a per-view basis. There are three places that a contextual menu can be defined.
With the lowest priority, is the ...
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I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.