148 lines
4.1 KiB
Plaintext
148 lines
4.1 KiB
Plaintext
PageMaker 4.2 does a Gestalt call for the AliasMgr and then proceeds
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to use the Alias Manager, even if we say it's not present. However,
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it will avoid use of the Alias Manager if the Gestalt call itself
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returns an error. This doesn't appear to be within spec (IMVI), but
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it looks like we should just not know the descriptors that we don't
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support. Boo.
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MacInTax '93 does the same thing with the Edition Manager that
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PageMaker does with the Alias Manager. It's unclear how widespread
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this problem is.
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Claris Works does the same thing with Apple Events... bad!
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Because of apps like this, there are a number of selectors that we
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simply fail to recognize, because our support for the functionality
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that is being queried is weak. Here are the selectors that are likely
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to fit in that category when 2.1 ships:
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gestaltAliasMgrAttr
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gestaltApplEventsAttr
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gestaltAppleTalkVersion
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gestaltAUXVersion
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gestaltConnMgrAttr
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gestaltCRMAttr
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gestaltCTBVersion
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gestaltDBAccessMgrAttr
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gestaltEasyAccessAttr
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gestaltEditionMgrAttr
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gestaltFontMgrAttr
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gestaltFXfrMgrAttr
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gestaltHardwareAttr
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gestaltHelpMgrAttr
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gestaltMiscAttr
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gestaltNotificatinMgrAttr
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gestaltNuBusConnectors
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gestaltOSAttr
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gestaltPopupAttr
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gestaltPowerMgrAttr
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gestaltPPCToolboxAttr
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gestaltResourceMgrAttr
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gestaltScriptCount
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gestaltScriptMgrVersion
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gestaltSerialAttr
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gestaltStdNBPAttr
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gestaltTermMgrAttr
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gestaltParityAttr
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gestaltVMAttr
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'icmp'
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'sysa'
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These selectors are recognized
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gestaltDITLExtAttr
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gestaltFindFolderAttr
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gestaltFSAttr
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gestaltSoundAttr
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gestaltExtToolboxTable
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gestaltToolboxTable
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gestaltOSTable
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gestaltFPUType
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gestaltKeyboardType
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gestaltLogicalPageSize
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gestaltLogicalRAMSize
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gestaltLowMemorySize
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gestaltMMUType
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gestaltPhysicalRAMSize
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gestaltProcessorType
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gestaltQuickdrawVersion
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gestaltQuickdrawFeatures
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gestaltTimeMgrVersion
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gestaltVersion
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gestaltMachineIcon
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gestaltMachineType
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gestaltROMSize
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gestaltROMVersion
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gestaltSystemVersion
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gestaltTextEditVersion
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These four will be ignored unless they are specifically enabled by the
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"pretend" options (Pretend Help, Pretend Edition, Pretend Script,
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Pretend Alias) in the preferences panel:
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gestaltHelpMgrAttr
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gestaltScriptMgrVersion
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gestaltEditionMgrAttr
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gestaltAliasMgrAttr
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Thse two will be recognized if the system version is set to 7.0 or
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higher via the prefs panel:
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gestaltStandardFileAttr
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gestaltApplEventsAttr
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ARDI has added one special gestalt call, gestaltPHYSICAL ('MUL8')
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which returns the address of a routine that functions just like
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Gestalt, but provides access to a completely different set of tables.
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These tables will contain information about the environment in which
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Executor is running instead the emulated environment that Executor
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provides.
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Example:
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int PhysicalGestalt (long selector, long *responsep)
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{
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int retval;
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pascal int (*physfp) (long sel, long *responsep);
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retval = Gestalt ('MUL8', (void *) &physfp);
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if (retval == noErr)
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retval = physfp (selector, responsep);
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return retval;
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}
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...
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OSErr err;
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long vers;
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err = PhysicalGestalt ('sysv', &vers);
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/* err should be noErr and vers should be the version of Executor you're
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running, not the version of the System file we're emulating */
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Right now there are only a few PhyscialGestalt selectors recognized:
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gestaltSystemVersion, numeric version of Executor
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gestaltExecutorVersionString, address of the string version of Executor
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gestaltDemoStatus, 1, if this is a demo version
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gestaltDemoExpiration, how many days until the demo expires
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gestaltSerialNumber, non-demo version: S/N
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gestaltRegisteredName, non-demo version: name
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gestaltRegisteredOrg, non-demo version: organization
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gestaltPhysicalRAMSize, amount of physical ram on the machine
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gestaltScreenSize, resolution of the monitor
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gestaltGhostScriptVersion, win32 only: Ghostscript DLL version
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gestaltGhostScriptVersion = 'gost'
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gestaltExecutorVersionString = 'xqtr'
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gestaltDemoStatus = 'demo'
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gestaltDemoExpiration = 'xpir'
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gestaltSerialNumber = 's/n '
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gestaltScreenSize = 'scrn'
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gestaltRegisteredName = 'name'
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gestaltRegisteredOrg = 'org '
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We are willing to add a variety of other PhysicalGestalt selectors as
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Mac-developers require, including things like amount of memory on the
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system and screen size.
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