Legacy Document
Important: The information in this document is obsolete and should not be used for new development.
Important: The information in this document is obsolete and should not be used for new development.
Summary of the Gestalt Manager
Pascal Summary
Constants
Environmental Selector Codes
CONST gestaltAddressingModeAttr = 'addr'; {addressing-mode attributes} gestaltAliasMgrAttr = 'alis'; {Alias Manager attributes} gestaltAppleEventsAttr = 'evnt'; {Apple events attributes} gestaltAppleTalkVersion = 'atlk'; {old format AppleTalk version} gestaltATalkVersion = 'atkv' {new format AppleTalk version} gestaltAUXVersion = 'a/ux'; {A/UX version, if present} gestaltCFMAttr = 'cfrg'; {Code Fragment Manager attr} gestaltCloseViewAttr = 'BSDa'; {CloseView attributes} gestaltComponentMgr = 'cpnt'; {Component Manager version} gestaltCompressionMgr = 'icmp' {Image Compression Manager } { version} gestaltConnMgrAttr = 'conn'; {Connection Manager attributes} gestaltCRMAttr = 'crm '; {Communication Resource } { Manager attr} gestaltCTBVersion = 'ctbv'; {Comm Toolbox version} gestaltDBAccessMgrAttr = 'dbac'; {Data Access Manager attributes} gestaltDictionaryMgrAttr = 'dict'; {Dictionary Manager attributes} gestaltDisplayMgrAttr = 'dply'; {Display Manager attributes} gestaltDisplayMgrVers = 'dplv'; {Display Manager version} gestaltDITLExtAttr = 'ditl'; {Dialog Manager extensions} gestaltDragMgrAttr = 'drag'; {Drag Manager attributes} gestaltEasyAccessAttr = 'easy'; {Easy Access attributes} gestaltEditionMgrAttr = 'edtn'; {Edition Manager attributes} gestaltExtToolboxTable = 'xttt'; {Toolbox trap dispatch table} gestaltFinderAttr = 'fndr' {Finder attributes} gestaltFindFolderAttr = 'fold'; {FindFolder attributes} gestaltFirstSlotNumber = 'slt1'; {first physical slot} gestaltFontMgrAttr = 'font'; {Font Manager attributes} gestaltFPUType = 'fpu '; {floating-point unit type} gestaltFSAttr = 'fs '; {file system attributes} gestaltFXfrMgrAttr = 'fxfr'; {File Transfer Manager attr} gestaltHardwareAttr = 'hdwr'; {hardware attributes} gestaltHelpMgrAttr = 'help'; {Help Manager attributes} gestaltIconUtilitiesAttr = 'icon'; {Icon Utilities attributes} gestaltKeyboardType = 'kbd '; {keyboard type code} gestaltLogicalPageSize = 'pgsz'; {logical page size} gestaltLogicalRAMSize = 'lram'; {logical RAM size} gestaltLowMemorySize = 'lmem'; {size of low memory} gestaltMiscAttr = 'misc'; {miscellaneous attributes} gestaltMixedModeVersion = 'mixd'; {MixedMode version} gestaltMMUType = 'mmu '; {MMU type} gestaltNativeCPUtype = 'cput'; {Native CPU type} gestaltNotificationMgrAttr = 'nmgr'; {Notification Manager attr} gestaltNuBusConnectors = 'sltc'; {NuBus connector bitmap} getstaltNuBusSlotCount = 'nubs'; {count of logical NuBus slots} gestaltOSAttr = 'os '; {Operating System attributes} gestaltOSTable = 'ostt'; {base address of Operating } { System trap dispatch table} gestaltParityAttr = 'prty'; {parity attributes} gestaltPCXAttr = 'pcxg'; {PC exchange attributes} gestaltPhysicalRAMSize = 'ram '; {physical RAM size} gestaltPopupAttr = 'pop!'; {pop-up 'CDEF' attributes} gestaltPowerMgrAttr = 'powr'; {Power Manager attributes} gestaltPPCToolboxAttr = 'ppc '; {PPC Toolbox attributes} gestaltProcessorType = 'proc'; {microprocessor type code} gestaltQuickdrawFeatures = 'qdrw'; {QuickDraw features} gestaltQuickdrawVersion = 'qd '; {QuickDraw version} gestaltQuickTime = 'qtim'; {QuickTime version} gestaltRealtimeAttr = 'rtmr'; {Realtime Manager attributes} gestaltResourceMgrAttr = 'rsrc'; {Resource Manager attributes} gestaltScrapMgrAttr = 'scra'; {Scrap Manager attributes} gestaltScriptCount = 'scr#'; {number of active script } { systems} gestaltScriptMgrVersion = 'scri'; {Script Manager version} gestaltSerialAttr = 'ser '; {serial hardware attributes} gestaltSoundAttr = 'snd '; {sound attributes} gestaltSpeechAttr = 'ttsc'; {Speech Manager attributes} gestaltStandardFileAttr = 'stdf'; {Standard File attributes} gestaltStdNBPAttr = 'nlup'; {StandardNBP attributes} gestaltSysArchitecture = 'sysa'; {native system architecture} gestaltTEAttr = 'teat'; {TextEdit attributes} gestaltTermMgrAttr = 'term'; {Terminal Manager attributes} gestaltTextEditVersion = 'te '; {TextEdit version code} gestaltThreadMgrAtt = 'thds'; {Thread Manager attributes} gestaltTimeMgrVersion = 'tmgr'; {Time Manager version code} gestaltTranslationAttr = 'xlat'; {Translation Manager attributes} gestaltTSMgrVersion = 'tsmv'; {Text Services Manager version} gestaltToolboxTable = 'tbtt'; {base address of Toolbox trap } { dispatch table} gestaltVersion = 'vers'; {Gestalt version} gestaltVMAttr = 'vm '; {virtual memory attributes}Informational Selector Codes
CONST gestaltHardwareAttr = 'hdwr'; {hardware attributes} gestaltMachineIcon = 'micn'; {machine 'ICON'/'cicn' res ID} gestaltMachineType = 'mach'; {Macintosh model code} gestaltROMSize = 'rom '; {ROM size} gestaltROMVersion = 'romv'; {ROM version} gestaltSystemVersion = 'sysv'; {System file version number}Environmental Selector Response Values
CONST {gestaltAddressingModeAttr response bits} gestalt32BitAddressing = 0; {booted in 32-bit mode} gestalt32BitSysZone = 1; {32-bit compatible system zone} gestalt32BitCapable = 2; {machine is 32-bit capable} {gestaltAliasMgrAttr response bits} gestaltAliasMgrPresent = 0; {Alias Manager is present} gestaltAliasMgrSupportsRemoteAppletalk {Alias Manager knows about } = 1; { remote AppleTalk} {gestaltAppleEventsAttr response bits} gestaltAppleEventsPresent = 0; {Apple events available} gestaltScriptingSupport = 1; gestaltOSLInSystem = 2; {OSL in system} {gestaltATalkVersion release stage constants} development = $20; {development} alpha = $40; {alpha} beta = $60; {beta} final = $80; {final} release = $80; {release} {gestaltCFMAttr response bits} gestaltsCFMPresent = 0; {Code Fragment Manager present} {gestaltCloseViewAttr response bits} gestaltCloseViewEnabled = 0; {CloseView enabled} gestaltCloseViewDisplayMgrFriendly = 1; {CloseView compatible with } { Display Manger} {gestaltConnMgrAttr response bits} gestaltConnMgrPresent = 0; {Connection Manager present} gestaltConnMgrCMSearchFix = 1; {CMAddSearch fix present} gestaltConnMgrErrorString = 2; {has CMGetErrorString} gestaltConnMgrMultiAsyncIO = 3; {has CMNewIOPB, CMDisposeIOPB, } { CMPBRead, CMPBWrite,and } { CMPBIOKill} {gestaltCRMAttr response bits} gestaltCRMPresent = 0; {Communication Resource Manager } { present} gestaltCRMPersistentFix = 1; {fix for persistent tools} gestaltCRMToolRsrcCalls = 2; {tool resource calls available} {gestaltDBAccessMgrAttr response bits} gestaltDBAccessMgrPresent = 0; {Data Access Manager present} {gestaltDisplayMgrAttr response bits} gestaltDisplayMgrPresent = 0; {Display Manager Present} {gestaltDictionaryMgrAttr response bits} gestaltDictionaryMgrPresent = 0; {Dictionary Manager present} {gestaltDITLExtAttr response bits} gestaltDITLExtPresent = 0; {Dialog Manager extensions } { present} {gestaltDragMgrATtr response bits} gestaltDragMgrPresent = 0; {Drag Manager present} {gestaltEasyAccessAttr response bits} gestaltEasyAccessOff = 0; {Easy Access present but off} gestaltEasyAccessOn = 1; {Easy Access on} gestaltEasyAccessSticky = 2; {Easy Access sticky} gestaltEasyAccessLocked = 3; {Easy Access locked} {gestaltEditionMgrAttr response bits} gestaltEditionMgrPresent = 0; {Edition Manager present} gestaltEditionMgrTranslationAware {Edition Manager aware of } = 1; { Translation Manager} {gestaltFinderAttr response bits} gestaltFinderDropEvent = 0; {Finder recognizes drop event} gestaltFinderMagicPlacement = 1; {Finder supports magic icon } { placement} gestaltFinderCallsAEProcess = 2; {Finder calls } { AEProcessAppleEvent} gestaltFinderOSLCompliantFinder = 3; {Finder is scriptable and } { recordable} getstaltFinderSupports4GBVolumes = 4; {Finder handles 4GB volumes} getstaltFinderHandlesCFMFailures = 5; {Finder handles Code Fragment } { Manager errors} getstaltFinderHasClippings = 6; {Finder supports Drag Manager } { cliping files} {gestaltFindFolderAttr response bits} gestaltFindFolderPresent = 0; {FindFolder available} {gestaltFontMgrAttr response values} gestaltOutlineFonts = 0; {outline fonts supported} {gestaltFPUType response values} gestaltNoFPU = 0; {no FPU} gestalt68881 = 1; {Motorola 68881 FPU} gestalt68882 = 2; {Motorola 68882 FPU} gestalt68040FPU = 3; {built-in 68040 } { floating-point processing} {gestaltFSAttr response bits} gestaltFullExtFSDispatching = 0; {new HFSDispatch available} gestaltHasFSSpecCalls = 1; {has FSSpec calls} gestaltHasFileSystemManager = 2; {has File System Manager} gestaltHasFileSystemManager = 3; {supports dynamic loading} gestaltFSSupports4GBVols = 4; {supports 4 gigabyte volume} gestaltHasExtendedDiskInit = 6; {has extended disk } { initialization calls} {gestaltFXfrMgrAttr response bits} gestaltFXfrMgrPresent = 0; {File Transfer Manager present} gestaltFXfrMgrMultiFile = 1; {supports FTSend and FTReceive} gestaltFXfrMgrErrorString = 2; {supports FTGetErrorString} {gestaltHelpMgrAttr response bits} gestaltHelpMgrPresent = 0; {Help Manager present} {gestaltIconUtilitiesAttr response value} gestaltIconUtilitiePresents = 0; {Icon Utilities are present} {gestaltKeyboardType response values} gestaltMacKbd = 1; {Macintosh} gestaltMacAndPad = 2; {Macintosh with keypad} gestaltMacPlusKbd = 3; {Macintosh Plus} gestaltExtADBKbd = 4; {extended ADB} gestaltStdADBKbd = 5; {standard ADB} gestaltPrtblADBKbd = 6; {Portable ADB} gestaltPrtblISOKbd = 7; {Portable ISO ADB} gestaltStdISOADBKbd = 8; {ISO standard ADB} gestaltExtISOADBKbd = 9; {ISO extended ADB} gestaltADBKbdII = 10; {ADB II} gestaltADBISOKbdII = 11; {ISO ADB II} gestaltPwrBookADBKbd = 12; {PowerBook ADB} gestaltPwrBookISOADBKbd = 13; {PowerBook ISO ADB} gestaltAppleAdjustKeypad = 14; {Adjustable Keypad} gestaltAppleAdjustADBKbd = 15; {Adjustable ADB} gestaltAppleAdjustISOKbd = 16; {Adjustable ISO} {gestaltMiscAttr response bits} gestaltScrollingThrottle = 0; {scrolling throttle is on} gestaltSquareMenuBar = 2; {menu bar is square} {gestaltMMUType response values} gestaltNoMMU = 0; {no MMU} gestaltAMU = 1; {Mac II address management unit} gestalt68851 = 2; {Motorola 68851 PMMU} gestalt68030MMU = 3; {built-in 68030 MMU} gestalt68040MMU = 4; {built-in 68040 MMU} gestaltEMMU1 = 5; {emulated MMU type 1} {gestaltNativeCPUtype response values} gestaltCPU68000 = $000; {Macintosh 68000 CPU} gestaltCPU68010 = $001; {Macintosh 68010 CPU} gestaltCPU68020 = $002; {Macintosh 68020 CPU} gestaltCPU68030 = $003; {Macintosh 68030 CPU} gestaltCPU68040 = $004; {Macintosh 68040 CPU} gestaltCPU601 = $101; {PowerPC 601 CPU} {gestaltNotificationMgrAttr response bits} gestaltNotificationPresent = 0; {Notification Manager present} {gestaltOSAttr response bits} gestaltSysZoneGrowable = 0; {system heap can grow} gestaltLaunchCanReturn = 1; {can return from launch} gestaltLaunchFullFileSpec = 2; {LaunchApplication available} gestaltLaunchControl = 3; {Process Manager available} gestaltTempMemSupport = 4; {temporary memory support } { available} gestaltRealTempMemory = 5; {temporary memory handles are } { real} gestaltTempMemTracked = 6; {temporary memory handles are} { tracked} {gestaltParityAttr response bits} gestaltHasParityCapability = 0; {machine can check parity} gestaltParityEnabled = 1; {parity RAM is installed} {gestaltPCXAttr response bits} gestaltPCXHas8and16BitFat = 0; {PC exchange supports both } { 8 and 16 bit FATs} gestaltPCXHasProDOS = 1; {PC exchange supports ProDos} {gestaltPopupAttr response bits} gestaltPopupPresent = 0; {pop-up 'CDEF' is present} {gestaltPowerMgrAttr response bits} gestaltPMgrExists = 0; {Power Manager is present} gestaltPMgrCPUIdle = 1; {CPU can idle} gestaltPMgrSCC = 2; {Power Manager can stop SCC } { clock} gestaltPMgrSound = 3; {Power Manager can turn off } { sound power} gestaltPMgrDispatchExists = 4; {Power Manager dispatch exists} {gestaltPPCToolboxAttr response masks} gestaltPPCToolboxPresent = $0000; {PPC Toolbox is present; { PPCInit has been called} gestaltPPCSupportsRealTime = $1000; {supports real-time delivery} gestaltPPCSupportsIncoming = $0001; {accepts sessions from remote } { computers} gestaltPPCSupportsOutGoing = $0002; {can initiate sessions with } { remote computers} {gestaltProcessorType response values} gestalt68000 = 1; {68000 microprocessor} gestalt68010 = 2; {68010 microprocessor} gestalt68020 = 3; {68020 microprocessor} gestalt68030 = 4; {68030 microprocessor} gestalt68040 = 5; {68040 microprocessor} {gestaltQuickdrawFeatures response bits} gestaltHasColor = 0; {Color QuickDraw present} gestaltHasDeepGWorlds = 1; {graphics worlds can be deeper } { than 1 bit} gestaltHasDirectPixMaps = 2; {PixMaps can be direct } { (16- or 32-bit)} gestaltHasGrayishTextOr = 3; {supports text mode } { grayishTextOr} gestaltSupportsMirroring = 4; {supports video mirroring } { using the Display Manager} {gestaltQuickdrawVersion response values} gestaltOriginalQD = $000; {original 1-bit QuickDraw} gestalt8BitQD = $100; {8-bit QuickDraw} gestalt32BitQD = $200; {32-Bit QuickDraw vers. 1.0} gestalt32BitQD11 = $210; {32-Bit QuickDraw vers. 1.1} gestalt32BitQD12 = $220; {32-Bit QuickDraw vers. 1.2} gestalt32BitQD13 = $230; {32-Bit QuickDraw vers. 1.3} {gestaltRealtimeAttr response bits} gestaltRealtimeMgrPresent = 0; {Realtime Manager present} {gestaltResourceMgrAttr response bits} gestaltPartialRsrcs = 0; {partial resources supported} {gestaltScrapMgrAttr response bits} gestaltScrapMgrTranslationAware = 0; {aware of Translation Manager} gestaltTranslationMgrHintOrder = 1; {hint order reversal present} {gestaltSerialAttr response bits} gestaltHasGPIaToDCDa = 0; {GPI connected to DCD on port A} gestaltHasGPIaToRTxCa = 1; {GPI connected to RTxC on } { port A} gestaltHasGPIaToDCDb = 2; {GPI connected to DCD on port B} {gestaltSoundAttr response bits} gestaltStereoCapability = 0; {stereo capability present} gestaltStereoMixing = 1; {stereo mixing on internal } { speaker} gestaltSoundIOMgrPresent = 3; {sound input routines present} gestaltBuiltInSoundInput = 4; {built-in input device present} gestaltHasSoundInputDevice = 5; {sound input device present} gestaltPlayAndRecord = 6; {built-in hardware can play } { and record simultaneously} getstalt16BitSoundIO = 7; {sound hardware can play and } { record 16-bit samples} getstaltStereoInput = 8; {sound hardware can } { record steore} getstaltSndPlayDoubleBuffer = 10; {SndPlayDouble buffer present} getstaltMultiChannels = 11; {multiple channel support} getstalt16BitAudioSuuport = 12; {16-bit audio data supported} {gestaltSpeechAttr response bits} gestaltSpeechMgrPresent = 0; {Speech Manager present} gestaltSpeechHasPPCGlue = 1; {Speech Manager has native PPC } { glue for API} {gestaltStandardFileAttr response bits} getaltStandardFile58 = 0; {has functions new with 7.0} gestaltStandardFileTranslationAware = 1; {aware of Translation Manager} gestaltStandardFileHasColorIcons = 2; {dialog boxes use small color } { icons} {gestaltStdNBPAttr response bits} gestaltStdNBPPresent = 0; {StandardNBP is present} {gestaltSysArchitecture response bits} gestalt68k = 1; {MC680x0 architecture} gestaltPowerPC = 2; {PowerPC architecture} {gestaltTEAttr response bits} gestaltTEHasGetHiliteRgn = 0; {TextEdit has TEGetHiliteRgn} {gestaltTermMgrAttr response bits} gestaltTermMgrPresent = 0; {Terminal Manager present} gestaltTermMgrErrorString = 2; {supports error string } { function} {gestaltTextEditVersion response values} gestaltTE1 = 1; {in MacIIci ROM} gestaltTE2 = 2; {with 6.0.4 scripts on Mac IIci} gestaltTE3 = 3; {with 6.0.4 scripts on other } { machines} gestaltTE4 = 4; {in 6.0.5 and 7.0} gestaltTE5 = 5; {TextWidthHook available} {gestaltThreadMgrAttr response bits} gestaltThreadMgrPresent = 0; {Thread Manger present} gestaltSpecificMatchSupport = 1; {Thread Manager supports } { exact match creation option} {gestaltTimeMgrVersion response values} gestaltStandardTimeMgr = 1; {standard Time Manager} gestaltRevisedTimeMgr = 2; {revised Time Manager} gestaltExtendedTimeMgr = 3; {extended Time Manager} {getstaltTranslationAttr response codes} gestaltTranslationMgrExists = 0; {Translation Manager present} {gestaltVMAttr response bits} gestaltVMPresent = 0; {virtual memory present}Informational Selector Response Values
CONST {gestaltHardwareAttr response bits} gestaltHasVIA1 = 0; {has VIA1 chip} gestaltHasVIA2 = 1; {has VIA2 chip} gestaltHasASC = 3; {has Apple sound chip} gestaltHasSCC = 4; {has SCC} gestaltHasSCSI = 7; {has SCSI} gestaltHasSoftPowerOff = 19; {capable of software power off} gestaltHasSCSI961 = 21; {has 53C96 SCSI on internal bus} gestaltHasSCSI962 = 22; {has 53C96 SCSI on external bus} gestaltHasUniversalROM = 24; {has universal ROM} {gestaltMachineType response values} gestaltClassic = 1; {Macintosh 128K} gestaltMacXL = 2; {Macintosh XL} gestaltMac512KE = 3; {Macintosh 512K enhanced} gestaltMacPlus = 4; {Macintosh Plus} gestaltMacSE = 5; {Macintosh SE} gestaltMacII = 6; {Macintosh II} gestaltMacIIx = 7; {Macintosh IIx} gestaltMacIIcx = 8; {Macintosh IIcx} gestaltMacSE030 = 9; {Macintosh SE/30} gestaltPortable = 10; {Macintosh Portable} gestaltMacIIci = 11; {Macintosh IIci} gestaltMacIIfx = 13; {Macintosh IIfx} gestaltMacClassic = 17; {Macintosh Classic} gestaltMacIIsi = 18; {Macintosh IIsi} gestaltMacLC = 19; {Macintosh LC} gestaltQuadra900 = 20; {Macintosh Quadra 900} gestaltPowerBook170 = 21; {Macintosh PowerBook 170} gestaltQuadra700 = 22; {Macintosh Quadra 700} gestaltClassicII = 23; {Macintosh Classic II} gestaltPowerBook100 = 24; {Macintosh PowerBook 100} gestaltPowerBook140 = 25; {Macintosh PowerBook 140} gestaltQuadra950 = 26; {Macintosh Quadra 950} gestaltMacLCIII = 27; {Macintosh LC III} gestaltPowerBookDuo210 = 29; {Macintosh PowerBook Duo 210} gestaltMacCentris650 = 30; {Macintosh Centris 650} gestaltPowerBookDuo230 = 32; {Macintosh PowerBook Duo 230} gestaltPowerBook180 = 33; {Macintosh PowerBook 180} gestaltPowerBook160 = 34; {Macintosh PowerBook 160} gestaltMacQuadra800 = 35; {Macintosh Quadra 800} gestaltMacLCII = 37; {Macintosh LC II} gestaltPowerBookDuo250 = 38; {Macintosh PowerBook Duo 230} gestaltMacIIvi = 44; {Macintosh IIvi} gestaltPerforma600 = 45; {Macintosh Performa 600} gestaltMacIIvx = 48; {Macintosh IIvx} gestaltMacColorClassic = 49; {Macintosh Color Classic} gestaltPowerBook165c = 50; {Macintosh PowerBook 165c} gestaltMacCentris610 = 52; {Macintosh Centris 610} gestaltMacQuadra610 = 53; {Macintosh Quadra 610} gestaltPowerBook145 = 54; {Macintosh PowerBook 145} getstaltMacLC520 = 56; {Macintosh LC 520} getstaltMacCentris660AV = 60; {Macintosh Centris 660 AV} getstaltPowerBook180c = 71; {Macintosh PowerBook 180c} getstaltPowerBookDuo270c = 77; {Maciintosh PowerBook Duo 270c} getstaltMacQuadra840AV = 78; {Macintosh Quadra 840 AV} getstaltPowerBook165 = 84; {Macintosh PowerBook 165} getstaltMacTV = 88; {Macintosh TV} getstaltMacLC475 = 89; {Macintosh LC 475} getstaltMacLC575 = 92; {Macintosh LC 575} getstaltMacQuadra605 = 94; {Macintosh Quadra 605} getstaltPowerMac8100_80 = 65; {Power Macintosh 8100/80} getstaltPowerMac6100_60 = 75; {Power Macintosh 6100/60} getstaltPowerMac7100_66 = 112; {Power Macintosh 7100/66} kMachineNameStrID = -16395; {'STR#' resource that } { contains machine names}SysEnvirons Constants
CONST curSysEnvVers = 2; {current SysEnvirons version} {machine types} envXL = -2; {Macintosh XL} envMac = -1; {Macintosh with 64K ROM} envMachUnknown = 0; {unknown model, after } { Macintosh IIfx} env512KE = 1; {Macintosh 512K enhanced} envMacPlus = 2; {Macintosh Plus} envSE = 3; {Macintosh SE} envMacII = 4; {Macintosh II} envMacIIx = 5; {Macintosh IIx} envMacIIcx = 6; {Macintosh IIcx} envSE30 = 7; {Macintosh SE30} envPortable = 8; {Macintosh Portable} envMacIIci = 9; {Macintosh IIci} envMacIIfx = 11; {Macintosh IIfx} {system environment record microprocessor codes} envCPUUnknown = 0; {unknown microprocessor} env68000 = 1; {68000 microprocessor} env68010 = 2; {68010 microprocessor} env68020 = 3; {68020 microprocessor} env68030 = 4; {68030 microprocessor} env68040 = 5; {68040 microprocessor} {system environment record keyBoardType codes} envUnknownKbd = 0; {Macintosh Plus with keypad} envMacKbd = 1; {Macintosh} envMacAndPad = 2; {Macintosh with keypad} envMacPlusKbd = 3; {Macintosh Plus} envAExtendKbd = 4; {Apple extended} envStandADBKbd = 5; {standard ADB} envPrtblADBKbd = 6; {Macintosh Portable ADB} envPrtblISOKbd = 7; {Macintosh Portable ISO} envStdISOADBKbd = 8; {standard ISO ADB} envExtISOADBKbd = 9; {extended ISO ADB}Data Types
TYPE SysEnvRec = {system environment record} RECORD environsVersion: Integer; {SysEnvirons version number} machineType: Integer; {Macintosh model code} systemVersion: Integer; {System file version number} processor: Integer; {microprocessor type code} hasFPU: Boolean; {floating-point unit flag} hasColorQD: Boolean; {Color QuickDraw flag} keyBoardType: Integer; {keyboard type code} atDrvrVersNum: Integer; {AppleTalk driver version number} sysVRefNum: Integer; {working directory reference number of } { folder or volume containing open } { System file} END;Gestalt Manager Routines
Getting Information About the Operating Environment
FUNCTION Gestalt (selector: OSType; VAR response: LongInt): OSErr; FUNCTION SysEnvirons (versionRequested: Integer; VAR theWorld: SysEnvRec): OSErr;Adding a Selector Code
FUNCTION NewGestalt (selector: OSType; gestaltFunction: SelectorFunctionUUP): OSErr;Modifying a Selector Function
FUNCTION ReplaceGestalt (selector: OSType; gestaltFunction: SelectorFunctionUUP; VAR oldGestaltFunction: SelectorFunctionUUP) : OSErr;Application-Defined Routines
FUNCTION MySelectorFunction (selector: OSType; VAR response: LongInt) : OSErr;C Summary
Constants
Environmental Selector Codes
#define gestaltAddressingModeAttr 'addr' /*addressing-mode attributes*/ #define gestaltAliasMgrAttr 'alis' /*Alias Manager attributes*/ #define gestaltAppleEventsAttr 'evnt' /*Apple events attributes*/ #define gestaltAppleTalkVersion 'atlk' /*old format AppleTalk version*/ #define gestaltATalkVersion 'atkv' /*new format AppleTalk version*/ #define gestaltAUXVersion 'a/ux' /*A/UX version, if present*/ #define gestaltCFMAttr 'cfrg' /*Code Fragment Manager attr*/ #definegestaltCloseViewAttr 'BSDa' /*CloseView attributes*/ #define gestaltComponentMgr 'cpnt' /*Component Manager version*/ #define gestaltCompressionMgr 'icmp' /*Image Compression Manager */ /* version*/ #define gestaltConnMgrAttr 'conn' /*Connection Manager attr*/ #define gestaltCRMAttr 'crm ' /*Comm Resource Manager attr*/ #define gestaltCTBVersion 'ctbv' /*Comm Toolbox version*/ #define gestaltDBAccessMgrAttr 'dbac' /*Data Access Manager attr*/ #define gestaltDictionaryMgrAttr 'dict' /*Dictionary Manager attr*/ #define gestaltDisplayMgrAttr 'dply' /*Display Manager attributes*/ #define gestaltDisplayMgrVers 'dplv' /*Display Manager version*/ #define gestaltDITLExtAttr 'ditl' /*Dialog Manager extensions*/ #define gestaltDragMgrAttr 'drag' /*Drag Manager attributes*/ #define gestaltEasyAccessAttr 'easy' /*Easy Access attributes*/ #define gestaltEditionMgrAttr 'edtn' /*Edition Manager attributes*/ #define gestaltExtToolboxTable 'xttt' /*Toolbox trap dispatch table*/ #define gestaltFinderAttr 'fndr' /*Finder attributes*/ #define gestaltFindFolderAttr 'fold' /*FindFolder attributes*/ #define gestaltFirstSlotNumber 'slt1' /*first physical slot*/ #define gestaltFontMgrAttr 'font' /*Font Manager attributes*/ #define gestaltFPUType 'fpu ' /*floating-point unit type*/ #define gestaltFSAttr 'fs ' /*file system attributes*/ #define gestaltFXfrMgrAttr 'fxfr' /*File Transfer Manager attr*/ #define gestaltHelpMgrAttr 'help' /*Help Manager attributes*/ #define gestaltKeyboardType 'kbd ' /*keyboard type code*/ #define gestaltLogicalPageSize 'pgsz' /*logical page size*/ #define gestaltLogicalRAMSize 'lram' /*logical RAM size*/ #define gestaltLowMemorySize 'lmem' /*size of low memory*/ #define gestaltMiscAttr 'misc' /*miscellaneous attributes*/ #define gestaltMixedModeVersion 'mixd' /*MixedMode version*/ #define gestaltMMUType 'mmu ' /*MMU type*/ #define gestaltNativeCPUtype 'cput' /*Native CPU type*/ #define gestaltNotificationMgrAttr 'nmgr' /*Notification Manager attr*/ #define gestaltNuBusConnectors 'sltc' /*NuBus connector bitmap*/ #define getstaltNuBusSlotCount 'nubs' /*count of logical NuBus slots*/ #define gestaltOSAttr 'os ' /*Operating System attributes*/ #define gestaltOSTable 'ostt' /*base address of Operating */ /* System trap dispatch table*/ #define gestaltParityAttr 'prty' /*parity attributes*/ #define gestaltPCXAttr 'pcxg' /*PC exchange attributes*/ #define gestaltPhysicalRAMSize 'ram ' /*physical RAM size*/ #define gestaltPopupAttr 'pop!' /*pop-up 'CDEF' attributes*/ #define gestaltPowerMgrAttr 'powr' /*Power Manager attributes*/ #define gestaltPPCToolboxAttr 'ppc ' /*PPC Toolbox attributes*/ #define gestaltProcessorType 'proc' /*microprocessor type code*/ #define gestaltQuickdrawFeatures 'qdrw' /*QuickDraw features*/ #define gestaltQuickdrawVersion 'qd ' /*QuickDraw version*/ #define gestaltQuickTime 'qtim' /*QuickTime version*/ #define gestaltRealtimeAttr 'rtmr' /*Realtime Manager attributes*/ #define gestaltResourceMgrAttr 'rsrc' /*Resource Manager attributes*/ #define gestaltScrapMgrAttr 'scra' /*Scrap Manager attributes*/ #define gestaltScriptCount 'scr#' /*number of active script */ /* systems*/ #define gestaltScriptMgrVersion 'scri' /*Script Manager version*/ #define gestaltSerialAttr 'ser ' /*serial hardware attributes*/ #define gestaltSoundAttr 'snd ' /*sound attributes*/ #define gestaltSpeechAttr 'ttsc' /*Speech Manager attributes*/ #define gestaltStandardFileAttr 'stdf' /*Standard File attributes*/ #define gestaltStdNBPAttr 'nlup' /*StandardNBP attributes*/ #define gestaltSysArchitecture 'sysa' /*native system architecture*/ #define gestaltTEAttr 'teat' /*TextEdit attributes*/ #define gestaltTermMgrAttr 'term' /*Terminal Manager attributes*/ #define gestaltTextEditVersion 'te ' /*TextEdit version code*/ #define gestaltThreadMgrAttr 'thds' /*Thread Manager attributes*/ #define gestaltTimeMgrVersion 'tmgr' /*Time Manager version code*/ #define gestaltToolboxTable 'tbtt' /*base address of Toolbox */ /* trap dispatch table*/ #define gestaltTranslationAttr 'xlat' /*Translation Manager */ /* attributes*/ #define gestaltTSMgrVersion 'tsmv' /*Text Services Manager */ /* version*/ #define getstaltIconUtilities 'icon' /*Icon Utilities attributes*/ #define gestaltVersion 'vers' /*Gestalt version*/ #define gestaltVMAttr 'vm ' /*virtual memory attributes*/Informational Selector Codes
#define gestaltHardwareAttr 'hdwr' /*hardware attributes*/ #define gestaltMachineIcon 'micn' /*machine 'ICON'/'cicn' res ID*/ #define gestaltMachineType 'mach' /*Macintosh model code*/ #define gestaltROMSize 'rom ' /*ROM size*/ #define gestaltROMVersion 'romv' /*ROM version*/ #define gestaltSystemVersion 'sysv' /*System file version number*/Environmental Selector Response Values
enum { /*gestaltAddressingModeAttr response bits*/ gestalt32BitAddressing = 0, /*booted in 32-bit mode*/ gestalt32BitSysZone = 1, /*32-bit compatible system */ /* zone*/ gestalt32BitCapable = 2 /*machine is 32-bit capable*/ }; enum { /*gestaltAliasMgrAttr response bits*/ gestaltAliasMgrPresent = 0, /*Alias Manager present*/ gestaltAliasMgrSupportsRemoteAppletalk /*Alias Manager knows about */ = 1 /* remote Appletalk*/ }; enum { /*gestaltAppleEventsAttr response bits*/ gestaltAppleEventsPresent = 0, /*Apple Events available*/ gestaltScriptingSupport = 1, gestaltOSLInSystem = 2 /*OSL in system*/ }; enum { /*gestaltATalkVersion release stage constants*/ development = $20, /*development*/ alpha = $40, /*alpha*/ beta = $60, /*beta*/ final = $80, /*final*/ release = $80 /*release*/ }; enum { /*gestaltCFMAttr response bits*/ gestaltCFMPresent = 0 /*Code Fragment Manager */ /* present*/ }; enum { /*gestaltCloseViewAttr response bits*/ gestaltCloseViewEnabled = 0, /*CloseView enabled*/ gestaltCloseViewDisplayMgrFriendly = 1 /*CloseView compatible with */ /* Display Manger*/ }; enum { /*gestaltConnMgrAttr response bits*/ gestaltConnMgrPresent = 0, /*Connection Manager present*/ gestaltConnMgrCMSearchFix = 1, /*CMAddSearch fix present*/ gestaltConnMgrErrorString = 2, /*has CMGetErrorString*/ gestaltConnMgrMultiAsyncIO = 3 /*has CMNewIOPB, */ /* CMDisposeIOPB, CMPBRead, */ /* CMPBWrite, CMPBIOKill*/ }; enum { /*gestaltCRMAttr response bits*/ gestaltCRMPresent = 0, /*Comm Resource Manager */ /* present*/ gestaltCRMPersistentFix = 1, /*fix for persistent tools*/ gestaltCRMToolRsrcCalls = 2 /*tool resource calls */ /* available*/ }; enum { /*gestaltDBAccessMgrAttr response bits*/ gestaltDBAccessMgrPresent = 0 /*Data Access Manager present*/ }; enum { /*gestaltDictionaryMgrAttr response bits*/ gestaltDictionaryMgrPresent = 0 /*Dictionary Manager present*/ }; enum { /*gestaltDisplayMgrAttr response bits*/ gestaltDisplayMgrPresent = 0 /*Display Manager Present*/ }; enum { /*gestaltDITLExtAttr response bits*/ gestaltDITLExtPresent = 0 /*Dialog Manager extensions */ /* present*/ }; enum { /*gestaltDragMgrAttr response bits*/ gestaltDragMgrPresent = 0 /*Drag Manager present*/ }; enum { /*gestaltEasyAccessAttr response bits*/ gestaltEasyAccessOff = 0, /*Easy Access present but off*/ gestaltEasyAccessOn = 1, /*Easy Access on*/ gestaltEasyAccessSticky = 2, /*Easy Access sticky*/ gestaltEasyAccessLocked = 3 /*Easy Access locked*/ }; enum { /*gestaltEditionMgrAttr response bits*/ gestaltEditionMgrPresent = 0, /*Edition Manager present*/ gestaltEditionMgrTranslationAware = 1 /*Edition Manager aware of */ /* Translation Manager*/ }; enum { /*gestaltFinderAttr response bits*/ gestaltFinderDropEvent = 0, /*Finder recognizes drop event*/ gestaltFinderMagicPlacement = 1, /*Finder supports magic icon */ /* placement*/ gestaltFinderCallsAEProcess = 2, /*Finder calls */ /* AEProcessAppleEvent*/ gestaltFinderOSLCompliantFinder = 3, /*Finder is scriptable and */ /* recordable*/ getstaltFinderSupports4GBVolumes = 4, /*Finder handles 4GB volumes*/ getstaltFinderHandlesCFMFailures = 5, /*Finder handles Code */ / *Fragment Manager errors*/ getstaltFinderHasClippings = 6 /*Finder supports Drag */ /* Manager cliping files*/ enum { /*gestaltFindFolderAttr response bits*/ gestaltFindFolderPresent = 0 /*FindFolder available*/ }; enum { /*gestaltFontMgrAttr response bits*/ gestaltOutlineFonts = 0 /*outline fonts supported*/ }; enum { /*gestaltFPUType response values*/ gestaltNoFPU = 0, /*no FPU*/ gestalt68881 = 1, /*Motorola 68881 FPU*/ gestalt68882 = 2, /*Motorola 68882 FPU*/ gestalt68040FPU = 3 /*built-in 68040 */ /* floating-point processing*/ }; enum { /*gestaltFSAttr response bits*/ gestaltFullExtFSDispatching = 0, /*new HFSDispatch available*/ gestaltHasFSSpecCalls = 1, /*has FSSpec calls*/ gestaltHasFileSystemManager = 2, /*has File System Manager*/ gestaltHasFileSystemManager = 3, /*supports dynamic loading*/ gestaltFSSupports4GBVols = 4, /*supports 4 gigabyte volume*/ gestaltHasExtendedDiskInit = 6 /*has extended disk */ /* initialization calls*/ }; enum { /*gestaltFXfrMgrAttr response bits*/ gestaltFXfrMgrPresent = 0, /*File Transfer Manager */ /* present*/ gestaltFXfrMgrMultiFile = 1, /*supports FTSend and */ /* FTReceive*/ gestaltFXfrMgrErrorString = 2 /*supports FTGetErrorString*/ }; enum { /*gestaltHelpMgrAttr response bits/* gestaltHelpMgrPresent = 0 /*Help Manager present*/ }; enum { /*gestaltIconUtilitiesAttr response bits*/ gestaltIconUtilitiesPresent = 0 /*icon utilities present*/ }; enum { /*gestaltKeyboardType response values*/ gestaltMacKbd = 1, /*Macintosh*/ gestaltMacAndPad = 2, /*Macintosh with keypad*/ gestaltMacPlusKbd = 3, /*Macintosh Plus*/ gestaltExtADBKbd = 4, /*extended ADB*/ gestaltStdADBKbd = 5, /*standard ADB*/ gestaltPrtblADBKbd = 6, /*Portable ADB */ gestaltPrtblISOKbd = 7, /*Portable ISO ADB*/ gestaltStdISOADBKbd = 8, /*ISO standard ADB*/ gestaltExtISOADBKbd = 9, /*ISO extended ADB*/ gestaltADBKbdII = 10, /*ADB II*/ gestaltADBISOKbdII = 11, /*ISO ADB II*/ gestaltPwrBookADBKbd = 12, /*PowerBook ADB*/ gestaltPwrBookISOADBKbd = 13, /*PowerBook ISO ADB*/ gestaltAppleAdjustKeypad = 14, /*Adjustable Keypad*/ gestaltAppleAdjustADBKbd = 15, /*Adjustable ADB*/ gestaltAppleAdjustISOKbd = 16 /*Adjustable ISO*/ }; enum { /*gestaltMiscAttr return bits*/ gestaltScrollingThrottle = 0, /*scrolling throttle is on*/ gestaltSquareMenuBar = 2 /*menu bar is square*/ }; enum { /*gestaltMMUType return values*/ gestaltNoMMU = 0, /*no MMU*/ gestaltAMU = 1, /*Mac II address management */ /* unit*/ gestalt68851 = 2, /*Motorola 68851 PMMU*/ gestalt68030MMU = 3, /*built-in 68030 MMU*/ gestalt68040MMU = 4, /*built-in 68040 MMU*/ gestaltEMMU1 = 5 /*emulated MMU type 1*/ }; enum { /*gestaltNativeCPUtype response values*/ gestaltCPU68000 = $000, /*Macintosh 68000 CPU*/ gestaltCPU68010 = $001, /*Macintosh 68010 CPU*/ gestaltCPU68020 = $002, /*Macintosh 68020 CPU*/ gestaltCPU68030 = $003, /*Macintosh 68030 CPU*/ gestaltCPU68040 = $004, /*Macintosh 68040 CPU*/ gestaltCPU601 = $101, /*PowerPC 601 CPU*/ }; enum { /*gestaltNotificationMgrAttr response bits*/ gestaltNotificationPresent = 0 /*Notification Manager present*/ }; enum { /*gestaltOSAttr response bits*/ gestaltSysZoneGrowable = 0, /*system heap can grow*/ gestaltLaunchCanReturn = 1, /*can return from launch*/ gestaltLaunchFullFileSpec = 2, /*LaunchApplication available*/ gestaltLaunchControl = 3, /*Process Manager available*/ gestaltTempMemSupport = 4, /*temporary memory support */ /* available*/ gestaltRealTempMemory = 5, /*temporary memory handles */ /* are real*/ gestaltTempMemTracked = 6, /*temporary memory handles */ /* are tracked*/ }; enum { /*gestaltParityAttr response bits*/ gestaltHasParityCapability = 0, /*machine can check parity*/ gestaltParityEnabled = 1 /*parity RAM is installed*/ }; enum { /*gestaltPCXAttr response bits*/ gestaltPCXHas8and16BitFat = 0, /*PC exchange supports both */ /* 8 and 16 bit FATs*/ /*gestaltPCXHasProDOS = 1 /*PC exchange supports ProDos*/ }; enum { /*gestaltPopupAttr response bits*/ gestaltPopupPresent = 0 /*pop-up 'CDEF' is present*/ }; enum { /*gestaltPowerMgrAttr response bits*/ gestaltPMgrExists = 0, /*Power Manager is present*/ gestaltPMgrCPUIdle = 1, /*CPU can idle*/ gestaltPMgrSCC = 2, /*Power Manager can stop SCC */ /* clock*/ gestaltPMgrSound = 3, /*Power Manager can turn off */ /* sound power*/ gestaltPMgrDispatchExists = 4 /*Power Mgr dispatch exists*/ }; enum { /* gestaltPPCToolboxAttr response bits*/ gestaltPPCToolboxPresent = 0x0000, /*PPC Toolbox is present; */ /* PPCInit has been called*/ gestaltPPCSupportsRealTime = 0x1000, /*supports real-time delivery*/ gestaltPPCSupportsIncoming = 0x0001, /*accepts sessions from */ /* remote computers*/ gestaltPPCSupportsOutGoing = 0x0002 /*can initiate sessions with */ /* remote computers*/ }; enum { /*gestaltProcessorType response values*/ gestalt68000 = 1, /*68000 microprocessor*/ gestalt68010 = 2, /*68010 microprocessor*/ gestalt68020 = 3, /*68020 microprocessor*/ gestalt68030 = 4, /*68030 microprocessor*/ gestalt68040 = 5 /*68040 microprocessor*/ }; enum { /*gestaltQuickdrawFeatures response bits*/ gestaltHasColor = 0, /*Color QuickDraw present*/ gestaltHasDeepGWorlds = 1, /*graphics worlds can be */ /* deeper than 1 bit*/ gestaltHasDirectPixMaps = 2, /*PixMaps can be direct */ /* (16- or 32-bit)*/ gestaltHasGrayishTextOr = 3, /*supports text mode */ /* grayishTextOr*/ gestaltSupportsMirroring = 4 /*supports video mirroring */ /* using the Display Manager*/ }; enum { /*gestaltQuickdrawVersion response values*/ gestaltOriginalQD = 0x000, /*original 1-bit QuickDraw*/ gestalt8BitQD = 0x100, /*8-bit QuickDraw*/ gestalt32BitQD = 0x200, /*32-Bit QuickDraw vers. 1.0*/ gestalt32BitQD11 = 0x210, /*32-Bit QuickDraw vers. 1.1*/ gestalt32BitQD12 = 0x220, /*32-Bit QuickDraw vers. 1.2*/ gestalt32BitQD13 = 0x230 /*32-Bit QuickDraw vers. 1.3*/ }; enum { /*gestaltRealtimeAttr response bits*/ gestaltRealtimeMgrPresent = 0 /*Realtime Manager present*/ }; enum { /*gestaltResourceMgrAttr response bits*/ gestaltPartialRsrcs = 0 /*partial resources supported*/ }; enum { /*gestaltScrapMgrAttr response bits*/ gestaltScrapMgrTranslationAware = 0, /*aware of Translation Manager*/ gestaltTrasnlationMgrHintOrder = 1 /*hint order reversal present*/ }; enum { /*gestaltSerialAttr response bits*/ gestaltHasGPIaToDCDa = 0, /*GPI connected to DCD on */ /* port A*/ gestaltHasGPIaToRTxCa = 1, /*GPI connected to RTxC on */ /* port A*/ gestaltHasGPIbToDCDb = 2 /*GPI connected to DCD on */ /* port B*/ }; enum { /*gestaltSoundAttr response bits*/ gestaltStereoCapability = 0, /*stereo capability present*/ gestaltStereoMixing = 1, /*stereo mixing on internal */ /* speaker*/ gestaltSoundIOMgrPresent = 3, /*sound input routines present*/ gestaltBuiltInSoundInput = 4, /*built-in input device */ /* present*/ gestaltHasSoundInputDevice = 5, /*sound input device present*/ gestaltPlayAndRecord = 6, /*built-in hardware can play */ /* and record simultaneously*/ getstalt16BitSoundIO = 7, /*sound hardware can play and */ /* record 16-bit samples*/ getstaltStereoInput = 8, /*sound hardware can */ /* record steore*/ getstaltSndPlayDoubleBuffer = 10, /*SndPlayDouble buffer present*/ getstaltMultiChannels = 11, /*multiple channel support*/ getstalt16BitAudioSuuport = 12 /*16-bit audio data supported*/ }; enum { /*gestaltSpeechAttr response bits*/ gestaltSpeechMgrPresent = 0, /*Speech Manager present*/ gestaltSpeechHasPPCGlue = 1 /*Speech Manager has native * /* PPC glue for API*/ }; enum { /*gestaltStandardFileAttr response bits*/ getaltStandardFile58 = 0, /*has functions new with 7.0*/ gestaltStandardFileTranslationAware = 1, /*aware of Translation Manager*/ gestaltStandardFileHasColorIcons = 2 /*dialog boxes use small */ /* color icons*/ }; enum { /*gestaltStdNBPAttr response bits*/ gestaltStdNBPPresent = 0 /*StandardNBP is present*/ }; enum { /*gestaltSysArchitecture response bits*/ gestalt68k = 1, /*MC680x0 architecture*/ gestaltPowerPC = 2 /*PowerPC architecture*/ }; enum { /*gestaltTEAttr response bits*/ gestaltTEHasGetHiliteRgn = 0 /*TextEdit has TEGetHiliteRgn*/ }; enum { /*gestaltTermMgrAttr response bits*/ gestaltTermMgrPresent = 0, /*Terminal Manager present*/ gestaltTermMgrErrorString = 2 /*supports error string */ /* function*/ }; enum { /*gestaltTextEditVersion response codes */ gestaltTE1 = 1, /*in MacIIci ROM*/ gestaltTE2 = 2, /*with 6.0.4 scripts on */ /* MacIIci*/ gestaltTE3 = 3, /*with 6.0.4 scripts on*/ /* other machines*/ gestaltTE4 = 4, /*in 6.0.5 and 7.0*/ gestaltTE5 = 5 /*TextWidthHook available*/ }; enum { /*gestaltThreadMgrAttr response bits*/ gestaltThreadMgrPresent = 0, /*Thread Manager present*/ gestaltSpecificMatchSupports = 1 /*Thread Manager supports */ /* exact match creation option*/ }; enum { /*gestaltTimeMgrVersion response codes*/ gestaltStandardTimeMgr = 1, /*standard Time Manager*/ gestaltRevisedTimeMgr = 2, /*revised Time Manager*/ gestaltExtendedTimeMgr = 3 /*extended Time Manager*/ }; enum { /*getstaltTranslationAttr response codes*/ gestaltTranslationMgrExists = 0 /*Translation Manager present*/ }; enum { /*gestaltVMAttr response bits*/ gestaltVMPresent = 0 /*virtual memory present*/ };Informational Selector Response Values
enum { /*gestaltHardwareAttr response bits*/ gestaltHasVIA1 = 0, /*has VIA1 chip*/ gestaltHasVIA2 = 1, /*has VIA2 chip*/ gestaltHasASC = 3, /*has Apple Sound Chip*/ gestaltHasSCC = 4, /*has SCC*/ gestaltHasSCSI = 7, /*has SCSI*/ gestaltHasSoftPowerOff = 19, /*capable of software power */ /* off*/ gestaltHasSCSI961 = 21, /*has 53C96 SCSI on internal */ /* bus*/ gestaltHasSCSI962 = 22, /*has 53C96 SCSI on external */ /* bus*/ gestaltHasUniversalROM = 24 /*has universal ROM*/ }; enum { /*gestaltMachineType response codes*/ gestaltClassic = 1, /*Macintosh 128K*/ gestaltMacXL = 2, /*Macintosh XL*/ gestaltMac512KE = 3, /*Macintosh 512K enhanced*/ gestaltMacPlus = 4, /*Macintosh Plus*/ gestaltMacSE = 5, /*Macintosh SE*/ gestaltMacII = 6, /*Macintosh II*/ gestaltMacIIx = 7, /*Macintosh IIx*/ gestaltMacIIcx = 8, /*Macintosh IIcx*/ gestaltMacSE030 = 9, /*Macintosh SE/30*/ gestaltPortable = 10, /*Macintosh Portable*/ gestaltMacIIci = 11, /*Macintosh IIci*/ gestaltMacIIfx = 13, /*Macintosh IIfx*/ gestaltMacClassic = 17, /*Macintosh Classic*/ gestaltMacIIsi = 18, /*Macintosh IIsi*/ gestaltMacLC = 19, /*Macintosh LC*/ gestaltQuadra900 = 20, /*Macintosh Quadra 900*/ gestaltPowerBook170 = 21, /*Macintosh PowerBook 170*/ gestaltQuadra700 = 22, /*Macintosh Quadra 700*/ gestaltClassicII = 23, /*Macintosh Classic II*/ gestaltPowerBook100 = 24, /*Macintosh PowerBook 100*/ gestaltPowerBook140 = 25, /*Macintosh PowerBook 140*/ gestaltQuadra950 = 26, /*Macintosh Quadra 950*/ gestaltMacLCIII = 27, /*Macintosh LC III*/ gestaltPowerBook210 = 29, /*Macintosh PowerBook Duo 210*/ gestaltMacCentris650 = 30, /*Macintosh Centris 650*/ gestaltPowerBook230 = 32, /*Macintosh PowerBook Duo 230*/ gestaltPowerBook180 = 33, /*Macintosh PowerBook 180*/ gestaltPowerBook160 = 34, /*Macintosh PowerBook 160*/ gestaltMacQuadra800 = 35, /*Macintosh Quadra 800*/ gestaltMacLCII = 37, /*Macintosh LC II*/ gestaltPowerBookDuo250 = 38, /*Macintosh PowerBook Duo 230*/ gestaltMacIIvi = 44, /*Macintosh IIvi*/ gestaltPerforma600 = 45, /*Macintosh Performa 600*/ gestaltMacIIvx = 48, /*Macintosh IIvx*/ gestaltMacColorClassic = 49, /*Macintosh Color Classic*/ gestaltPowerBook165c = 50, /*Macintosh PowerBook 165c*/ gestaltMacCentris610 = 52, /*Macintosh Centris 610*/ gestaltMacQuadra610 = 53, /*Macintosh Quadra 610*/ gestaltPowerBook145 = 54, /*Macintosh PowerBook 145*/ getstaltMacLC520 = 56, /*Macintosh LC 520*/ getstaltMacCentris660AV = 60, /*Macintosh Centris 660 AV*/ getstaltPowerBook180c = 71, /*Macintosh PowerBook 180c*/ getstaltPowerBookDuo270c = 77, /*Macintosh PowerBook Duo 270c*/ getstaltMacQuadra840AV = 78, /*Macintosh Quadra 840 AV*/ getstaltPowerBook165 = 84, /*Macintosh PowerBook 165*/ getstaltMacTV = 88, /*Macintosh TV*/ getstaltMacLC475 = 89, /*Macintosh LC 475*/ getstaltMacLC575 = 92, /*Macintosh LC 575*/ getstaltMacQuadra605 = 94, /*Macintosh Quadra 605*/ getstaltPowerMac8100_80 = 65, /*Power Macintosh 8100/80*/ getstaltPowerMac6100_60 = 75, /*Power Macintosh 6100/60*/ getstaltPowerMac7100_66 = 112 /*Power Macintosh 7100/66*/ }; enum { kMachineNameStrID = -16395 /*'STR#' resource that */ }; /* contains machine names*/SysEnvirons Constants
enum { curSysEnvVers = 2 /*current SysEnvirons version*/ }; enum { /*machine types*/ envXL = -2, /*Macintosh XL*/ envMac = -1, /*Macintosh with 64K ROM*/ envMachUnknown = 0, /*unknown model, after */ /* Macintosh IIfx*/ env512KE = 1, /*Macintosh 512K enhanced*/ envMacPlus = 2, /*Macintosh Plus*/ envSE = 3, /*Macintosh SE*/ envMacII = 4, /*Macintosh II*/ envMacIIx = 5, /*Macintosh IIx*/ envMacIIcx = 6, /*Macintosh IIcx*/ envSE30 = 7, /*Macintosh SE30*/ envPortable = 8, /*Macintosh Portable*/ envMacIIci = 9, /*Macintosh IIci*/ envMacIIfx = 11, /*Macintosh IIfx*/ envMacClassic = 15, /*Macintosh Classic*/ envMacIIsi = 16, /*Macintosh IIsi*/ envMacLC = 17, /*Macintosh LC*/ envMacQuadra900 = 18, /*Macintosh Quadra 900*/ envMacPowerBook170 = 19, /*Macintosh PowerBook 170*/ envMacQuadra700 = 20, /*Macintosh Quadra 700*/ envMacClassicII = 21, /*Macintosh Classic II*/ envMacPowerBook100 = 22, /*Macintosh PowerBook 100*/ envMacPowerBook140 = 23, /*Macintosh PowerBook 140*/ envMacQuadra950 = 24, /*Macintosh Quadra 950*/ envMacLCII = 35, /*Macintosh LC II*/ envMacPowerBook145 = 52 /*Macintosh PowerBook 145*/ }; enum { /*CPU types*/ envCPUUnknown = 0, /*unknown microprocessor*/ env68000 = 1, /*68000 microprocessor*/ env68010 = 2, /*68010 microprocessor*/ env68020 = 3, /*68020 microprocessor*/ env68030 = 4, /*68030 microprocessor*/ env68040 = 5, /*68040 microprocessor*/ }; enum { /*keyboard types*/ envUnknownKbd = 0, /*Macintosh Plus with keypad*/ envMacKbd = 1, /*Macintosh*/ envMacAndPad = 2, /*Macintosh with keypad*/ envMacPlusKbd = 3, /*Macintosh Plus*/ envAExtendKbd = 4, /*Apple extended*/ envStandADBKbd = 5, /*standard ADB*/ envPrtblADBKbd = 6, /*Macintosh Portable ADB*/ envPrtblISOKbd = 7, /*Macintosh Portable ISO*/ envStdISOADBKbd = 8, /*standard ISO ADB */ envExtISOADBKbd = 9 /*extended ISO ADB*/ };Data Types
struct SysEnvRec { /*system environment record*/ short environsVersion; /*SysEnvirons version number*/ short machineType; /*Macintosh model code*/ short systemVersion; /*System file version number*/ short processor; /*microprocessor type code*/ Boolean hasFPU; /*floating-point unit flag*/ Boolean hasColorQD; /*Color QuickDraw flag*/ short keyBoardType; /*keyboard type code*/ short atDrvrVersNum; /*AppleTalk driver version number*/ short sysVRefNum /*working-directory reference */ /* number of folder or volume */ /* containing open System file*/ }; typedef struct SysEnvRec SysEnvRec;Gestalt Manager Routines
Getting Information About the Operating Environment
pascal OSErr Gestalt (OSType selector, long *response); pascal OSErr SysEnvirons(short versionRequested, SysEnvRec *theWorld);Adding a Selector Code
pascal OSErr NewGestalt (OSType selector, SelectorFunctionUUP gestaltFunction);Modifying a Selector Function
pascal OSErr ReplaceGestalt (OSType selector, SelectorFunctionUUP gestaltFunction, SelectorFunctionUUP *oldGestaltFunction);Application-Defined Routines
pascal OSErr MySelectorFunc (OSType selector, long *response);Assembly-Language Summary
Data Structures
SysEnvRec Data Structure
0 environsVersionword SysEnvironsversion number2 machineTypeword Macintosh model code 4 systemVersionword System file version number 6 processorword microprocessor type code 8 hasFPUbyte floating-point unit flag 9 hasColorQDbyte Color QuickDraw flag 10 keyBoardTypeword keyboard type code 12 atDrvrVersNumword AppleTalk driver version number 14 sysVRefNumword working-directory reference number of directory or volume containing open System file Result Codes
noErr 0 No error memFullErr -108 Ran out of memory envNotPresent -5500 SysEnvironstrap not presentenvBadVers -5501 Nonpositive version number passed envVersTooBig -5502 Requested version of SysEnvironsnot availablegestaltUnknownErr -5550 Could not obtain the response gestaltUndefSelectorErr -5551 Undefined selector gestaltDupSelectorErr -5552 Selector already exists gestaltLocationErr -5553 Function not in system heap