Mac OS 8.5 Technote: Part IV

Copyright 1998 by Apple Computer, Inc. All Rights Reserved.

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Finder 8.5 (Continued)

New Finder display facilities

  • The Get Info window can now display multiple panels of information.

  • Finder preferences are now consolidated into a single multiple panel window.

  • A new control has been added to the View Options window, allowing users to revert the current view to a standard view.

  • List view columns are now resizable.

  • The new Finder can display badged icons.

  • Support for proportional scroll bars has been added.

  • Proxy icons are displayed in window title bars.

  • View font and size is now set in the Appearance control panel.

  • To override the default message displayed by the Finder when a file cannot be opened, developers may include a 'STR ' ID = -16397 resource in any file's resource fork. This message text will be displayed when the user attempts to open a file that cannot be opened, overriding the Finder's default message.

  • In previous versions of the Finder, files with their custom icon bit set that did not contain a suite of custom icons were not handled correctly. The Finder now resets the custom icon bit and uses the default icon for these files.

COMPATIBILITY NOTE
Starting with Finder 8.5, the invisible "Icon<cr>" file placed in directories may contain resource-based information used by the Finder other than an icon suite. It should only be deleted if it contains no resources at all.


  • The Finder now uses the new gestaltVMInfoType Gestalt selector to determine how information about virtual memory will be displayed in the "About This Computer" window. Developers wishing to control how the Finder displays virtual memory information may redefine this selector to return any of the values shown in Table 1. Table 1 describes the various virtual memory information display modes available in this version of the Finder.

Table 1. Finder virtual memory display modes determined by the value of the gestaltVMInfoType ('vmin') selector.

Selector Name
Value
VM Information Displayed

gestaltVMInfoSizeStorageType
0

Display either the string "virtual memory on" or the string "virtual memory off", the size of the backing store, and the name of the volume where the store is located (the default).

gestaltVMInfoSizeType
1

Display either the string "virtual memory on" and the size of the backing store or the string "virtual memory off".

gestaltVMSimpleType
2

Display either the string "virtual memory on" or the string "virtual memory off".

gestaltVMNoneType
3

No virtual memory information will be displayed, even when virtual memory is turned on.

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