April 2015
Intermediate to advanced
556 pages
17h 47m
English
book
Cocoa Programming for OS X: The Big Nerd Ranch Guide
by Aaron Hillegass, Adam Preble, Nate Chandler
Content preview from Cocoa Programming for OS X: The Big Nerd Ranch Guide
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Modals and Sheets
So far, you have seen APIs for using NSAlert to show a panel modally. When runModal() is called, it blocks until the user dismisses the alert. While the modal alert is being shown it is the only window receiving events; all other windows in the application will be unusable. As a result, when a panel is run modally, users will not be able to use the rest of the application until they have responded to the alert panel. Modal alerts are convenient to show but should be used sparingly for this reason.
Alerts can also be run as a sheet on top of another window (shown in Figure 15.5). This indicates to the user that the alert (or content of the sheet) is related to that window. Similar to running an alert panel modally, ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
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.