September 2004
Intermediate to advanced
304 pages
9h 26m
English
Content preview from Modding Mac OS XBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Changing Icons
Each time you restart your computer—and each time you log out and back in—the Finder launches, and as it starts, it reestablishes icon associations.
The Finder scans your disk and, when needed, creates an updated icon registry. You’ve already seen this registry in action, earlier in this chapter. It helps the Finder assign icons by mapping a file’s extension and creator code to an icon. But the story doesn’t end there. Although Finder sets the default look of each icon, you can override this behavior on a file-by-file (or folder-by-folder) basis and add a custom icon to any file, folder, or bundle you choose.
The most common method of changing Mac OS X icons has its roots in past operating systems. If you knew how to copy and paste icons in Mac OS 7 (or 8 or 9), the same method carries over into Mac OS X. This method does not change the core file or folder type, or even its default icon. It merely pastes a new icon on top of the old one. This icon persists until it’s changed—by a program, by a system update, or by you. The following steps walk you through the process of finding, copying, and pasting an icon. The secret here involves reusing an existing icon.
In the Finder, select a file or folder with an intriguing icon. Choose File → Get Info (⌘-I). An Info window opens, showing the ...
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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.