June 2004
Intermediate to advanced
1056 pages
39h 58m
English
Content preview from Mac OS X Panther in a Nutshell, 2nd Edition
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Managing Classic Applications
Mac
OS X’s Finder manages your Classic applications like
any other; the only difference is that they’re
stored in /Applications (Mac OS 9), not in
/Applications. When Classic is running, you
won’t work with the old Mac OS 9 Finder; however,
when a Classic application is running in the foreground, the menu bar
changes to that of Mac OS 9. Similarly, the Dock provides space for
the icons of Classic applications and even lets you keep them in the
Dock.
You can easily identify a Classic application in the Dock, because its icon has a Mac OS 9-style (32 2 pixel) icon, which looks “jaggy” if viewed at a higher resolution.
Classic Applications and Memory
As mentioned earlier, Mac OS 9 applications
don’t benefit from Mac OS X’s
protected memory space or its dynamic memory allocation. In Classic,
a Mac OS 9 application is still a Mac OS 9 application, requiring you
to assign memory the old way: via the Get Info window. Figure 3-6
shows the Get Info window for Mac OS 9’s Script
Editor (/Applications (Mac OS 9)/Apple
Extras/AppleScript).
Figure 3-6. Mac OS 9’s Script Editor’s Info window, showing the Memory section
The Memory section of the Info window (available only for Classic applications) lists the following three items:
- Suggested Size
This number represents the amount of RAM (in kilobytes) that the application’s developers suggest to get optimum performance from ...
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