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309 lines
8.1 KiB
OpenEdge ABL
309 lines
8.1 KiB
OpenEdge ABL
{
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File: AEUtil.p
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Copyright: © 1990, 1992 by Apple Computer, Inc., all rights reserved.
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Change History (most recent first):
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<6> 3/23/92 JSM OSEvents.p is obsolete, use Events.p instead.
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<5> 5/21/91 gbm Stop using the "empty" units (MemTypes, etc...)
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<4> 1/29/91 LN took out keySelectProc - defined in AppleEvents.p
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<3> 1/11/91 Lai msgAddrTarget is union of the 4 eppc address type rather than
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just TargetID
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<2> 12/14/90 bbm (Lai) fix duplicate defines.
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<1> 12/13/90 Lai first checked in
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}
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UNIT AEUtil;
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INTERFACE
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USES
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Types, Memory, Events, Errors,
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AppleEvents, AEHashTable;
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CONST
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{ Warning: Be sure to check that this is up to date with SysPrivateEqu.a }
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kAEAppGlobalOffset = 340;
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kAESysGlobalOffset = 380;
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ExpandMem = $2B6;
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kAskResetTimer = 1990;
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kNoneOfYourBusiness = 1991;
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kAevtSicnID = -5888; { id for the AppleEvent sicn }
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roundUpMask = -2;
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RoundUpValue = 1;
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typeMeta = 'meta';
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kMhdrType = 'mhdr';
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kLhdrType = 'lhdr';
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aeEndOfMetaDataKeyword = ';;;;';
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aeRecTypeKeyword = 'type';
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kInteractLevelKeyword = 'inte';
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kReplyRequestedKeyword = 'repq';
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kNeverInteract = 'nevi';
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kCanInteract = 'cani';
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kCanSwitchIfInteract = 'cans';
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kAlwaysInteract = 'alwi';
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kAlwaysSwitchIfInteract = 'alws';
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{ event ID for reset timeout }
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kAEWaitLonger = 'wait';
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keyBeforeTime = 'befo';
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{ the keyword for the blocking and unblocking special handler }
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keyBlockingProc = 'blck';
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keyUnblockProc = 'unbk';
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keyDiposeTokenProc = 'xtok';
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keyCmprProc = 'cmpr';
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keyContProc = 'cont';
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keyMkidProc = 'mkid';
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keyMarkProc = 'mark';
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keyAdjmProc = 'adjm';
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kAERefconAttribute = 'refc';
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kVersionOne = $00010001;
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standardTimeOut = 3600; { this is the value of standard timeout, one day
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we may change this to a function }
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TYPE
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AENotifyRec = RECORD
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theNMRec: NMRec;
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posted: Boolean;
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END;
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AENotifyRecPtr = ^AENotifyRec;
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ListClassRec = RECORD
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hintIndex: LONGINT;
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hintOffset: LONGINT;
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ParamBegin: LONGINT;
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metaCountOrObjType: LONGINT;
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END;
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CommonHeader = RECORD
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theKeyword: AEKeyWord;
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theType: DescType;
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theLength: LONGINT;
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END;
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CommonHeaderPointer = ^CommonHeader;
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CommonHeaderHandle = ^CommonHeaderPointer;
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EppcValidAddress = RECORD
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CASE Integer OF
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0: (asTargetID: TargetID);
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1: (asPSN: ProcessSerialNumber);
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2: (asSessionID: LONGINT);
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3: (asSignature: OSType);
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END;
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MsgHdrPtr = ^MsgHdr;
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MsgHdrHdl = ^MsgHdrPtr;
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MsgHdr = RECORD
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listClassHeader: ListClassRec;
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paramCount: LONGINT;
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inUse: Boolean;
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inWaiting: Boolean;
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waitLink: MsgHdrHdl;
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accessMask: LONGINT;
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switchFromPSN: ProcessSerialNumber; { switch back to this process afterwards }
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notifyRecPtr: AENotifyRecPtr;
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prevMsg: MsgHdrHdl; { we were processing this before this one }
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userRefcon: LONGINT;
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thisAEEventClass: AEEventClass;
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thisAEEventID: AEEventID;
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returnID: LONGINT;
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msgAddrType: DescType;
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msgAddrSize: LONGINT;
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msgAddrTarget: EppcValidAddress;
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END;
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ListHdr = RECORD
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listClassHeader: ListClassRec;
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paramCount: LONGINT;
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sizeOfPrefix: LONGINT;
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END;
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ListHdrPtr = ^ListHdr;
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ListHdrHdl = ^ListHdrPtr;
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AEMetaDesc = RECORD
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aevtMarker: AEKeyWord;
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version: LONGINT;
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metaTerminator: AEKeyWord;
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END;
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AEMetaPointer = ^AEMetaDesc;
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AcceptRecord = RECORD {record to send to filterProc and
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GetSpecific..}
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filterErr: OSErr; {any errors in getting the reply}
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extraFilter: ProcPtr; {filter for extra events}
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msgReturnID: Longint; {to match reply to msg}
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aBufferHdl: MsgHdrHdl; {to hold the reply}
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END;
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AcceptRecordPtr = ^AcceptRecord;
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HandlePtr = ^Handle;
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ExtendedPtr = ^Extended;
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DoublePtr = ^Double;
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RealPtr = ^Real;
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CompPtr = ^Comp;
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AEKeyDescPtr = ^AEKeyDesc;
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AEDescPtr = ^AEDesc;
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SysGlobalRec = RECORD
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aeHashTable: HHand;
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coercionHashTable: HHand;
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kurtHashTable: HHand;
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phacProcPtr: ProcPtr;
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selhProcPtr: ProcPtr;
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blockingPtr: ProcPtr;
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unblockingPtr: ProcPtr;
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diposeTokenProcPtr: ProcPtr;
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compareProcPtr: ProcPtr;
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countProcPtr: ProcPtr;
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getMarkIDProcPtr: ProcPtr;
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MarkProcPtr: ProcPtr;
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AdjustMarksProcPtr: ProcPtr;
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AENonAevtHandler: ProcPtr;
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GetIndexInContainer:ProcPtr;
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END;
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GlobalRec = RECORD
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aeHashTable: HHand;
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coercionHashTable: HHand;
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kurtHashTable: HHand;
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phacProcPtr: ProcPtr;
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selhProcPtr: ProcPtr;
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blockingPtr: ProcPtr;
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unblockingPtr: ProcPtr;
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diposeTokenProcPtr: ProcPtr;
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compareProcPtr: ProcPtr;
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countProcPtr: ProcPtr;
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getMarkIDProcPtr: ProcPtr;
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MarkProcPtr: ProcPtr;
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AdjustMarksProcPtr: ProcPtr;
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AENonAevtHandler: ProcPtr;
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GetIndexInContainer:ProcPtr;
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waitReplyList: MsgHdrHdl; { first item in linked list of reply handle waiting for event }
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returnIDCounter: LONGINT;
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currentMsg: MsgHdrHdl;
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interactAllowance: AEInteractAllowed;
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END;
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GlobalRecPointer = ^GlobalRec;
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GlobalRecHandle = ^GlobalRecPointer;
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{ these are of offset of the field from the beginning of globalRec }
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CONST
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phacOffset = 12;
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selhOffset = 16;
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blockingoffset = 20;
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unblockOffset = 24;
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diposeTokenOffset = 28;
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kurProc1Offset = 32;
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kurProc2Offset = 36;
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kurProc3Offset = 40;
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kurProc4Offset = 44;
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kurProc5Offset = 48;
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TYPE
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KeyRec = Record
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secondKey: OSType;
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firstKey: OSType;
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END;
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handlerRec = Record
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theRefCon: LONGINT;
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theProc: ProcPtr;
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END;
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DescClass = (classMeta, classAevt, classList, classReco, classEmpty, classOther);
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{--------------------------------------------------------------------------------}
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{ some common inlines }
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PROCEDURE IgnoreOSErr(anErr: OSErr);
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INLINE $548F; { addq #2,sp }
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{ get the global specific to the application }
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FUNCTION GetGlobalRef: GlobalRecHandle; inline $2078, $02B6, $2EA8, $0154;
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{ get the global common to all applications }
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FUNCTION GetSysGlobal: GlobalRecHandle; inline $2078, $02B6, $2EA8, $017C;
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{--------------------------------------------------------------------------------}
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{ AppleEvent Manger calls provided by this unit }
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FUNCTION AE_CreateDesc(typeCode: DescType;
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dataPtr: Ptr;
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dataSize: LONGINT;
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VAR result: AEDesc): OSErr;
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FUNCTION AE_CreateList(factoringPtr: Ptr;
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factoredSize: LONGINT;
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isRecord: boolean;
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VAR resultList: AEDesc): OSErr;
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FUNCTION AE_DuplicateDesc(VAR theAEDesc: AEDesc; { VAR is for efficiency only }
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VAR result: AEDesc): OSErr;
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FUNCTION AE_GetInteractionAllowed(VAR level:AEInteractAllowed): OSErr;
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FUNCTION AE_GetTheCurrentEvent(VAR theAppleEvent: AppleEvent): OSErr;
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FUNCTION AE_SetInteractionAllowed(level:AEInteractAllowed): OSErr;
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FUNCTION AE_SetTheCurrentEvent(VAR theAppleEvent: AppleEvent): OSErr;{ VAR is for efficiency only }
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FUNCTION AE_SuspendTheCurrentEvent(VAR theAppleEvent: AppleEvent): OSErr;{ VAR is for efficiency only }
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{--------------------------------------------------------------------------------}
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{ utilty routines for other part of the AppleEvents Manager }
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PROCEDURE CalculateTimeOut(VAR timeOut:longint);
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FUNCTION CreateList(factoringPtr: Ptr;
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factoredSize: LONGINT;
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isRecord: boolean;
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VAR resultList: AEDesc;
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objectType: DescType): OSErr;
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PROCEDURE EventSource(theMsgHdl: MsgHdrHdl;
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VAR theAEEventSource:AEEventSource;
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VAR fromPSN: ProcessSerialNumber);
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FUNCTION GeneralWait(VAR timeOut: LONGINT;
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waitingHook: ProcPtr;
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filterProc: ProcPtr;
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filterInfo: Ptr): OSErr;
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FUNCTION MakeMeta(VAR theAevt: AppleEvent): AppleEvent; { VAR is for efficiency only }
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FUNCTION MustHaveGlobal(isSysHandler: Boolean;
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VAR aGlobalRef: GlobalRecHandle): OSErr;
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PROCEDURE NukeIt(VAR theAEDesc: AEDesc);
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PROCEDURE OffWaitList(aHandle: MsgHdrHdl);
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FUNCTION TryBothProc(VAR theDesc:AEDesc; procOffset: LONGINT):OSErr;
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{--------------------------------------------------------------------------------}
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IMPLEMENTATION
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{$I AEUtil.inc1.p}
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END. { AEUtil } |