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225 lines
7.5 KiB
C
225 lines
7.5 KiB
C
/*
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File: Puppet.h
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Contains: Puppet string interface
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Written by: Phillip Y. Goldman, Software Atomic Knee Drop
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Copyright: © 1986-1991 by Apple Computer, Inc., all rights reserved.
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Change History (most recent first):
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<0> 11/15/86 PYG New Today.
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*/
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#ifndef __PUPPET__
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#define __PUPPET__
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/************************************************************************************
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* Basic definitions.
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************************************************************************************/
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#ifndef FOR_REZ
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/* Prototype instruction list */
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typedef struct eventList
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{
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long offset;
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short count;
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EventRecord events[0];
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} EventList, *EventListPtr, **EventListHdl;
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/* Size of event list header, and the offset to use when initializing instruction
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* list to specify first instruction.
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* NOTE: Relies on the fact that we defined the EventRecord array with count == 0.
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*/
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#define SIZEOF_EVENTLIST_HDR (sizeof(EventList))
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#endif FOR_REZ
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/************************************************************************************
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* Puppet event information.
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************************************************************************************/
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/* SYS_PUPPET_STRING_RSRC_ID is the ID of the puppet string resources we've added to
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* the system file. There is a generic default one, and there is a custom default
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* one for each of three (old) apps that required it for compatibility. The value of
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* this constant is determined by the MakeFile, since it needs to add the resource.
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* APP_PUPPET_STRING_RSRC_ID is the ID of a puppet string resource that developers can
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* add to the app file.
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* Type of the resource is the signature of the application. The generic default
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* uses (DefaultPupStrType) we made up in the MakeFile.
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*/
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/* #define SYS_PUPPET_STRING_RSRC_ID {SysPupStrID} from MakeFile */
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#define APP_PUPPET_STRING_RSRC_ID (127)
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/* Puppet String types */
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#define pstNormalEvent 0
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#define pstNullInstr 1
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#define pstUnknownInstr 2
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#define pstMenuItem 3
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#define pstEventList 4
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#define pstEventCode 5
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#define pstImplementCode 6
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#define pstIllegalInstr 7
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#define pstMenuString 8
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/* Instruction Types */
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#define instrReset 2
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#define instrCut 3
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#define instrCopy 4
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#define instrPaste 5
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#define instrSelRect 6
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#define instrSelAll 7
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#define instrMemCopy 8
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#define instrOutlineRect 9
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#define instrPrivate1 10 /* For intra-puppet string use only */
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#define instrQuit 11
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#define instrOpen 12
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#define instrCancel 13
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/* Instruction/Event Flags */
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#define instrMouseLocal 0x8000
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#define evtMouseLocal 0x8000
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#define evtMouseGlobal 0x0000
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#define evtMouseEither 0x4000
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#define evtIsImportant 0x0000
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#define evtIsUnimportant 0x2000
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/* String IDs for type pstMenuString */
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#define menuStringListResType 'mst#'
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#define menuStringResType 'mstr'
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#define strIDQuitMenu 100
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#define strIDQuitItem 101
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#define strIDOpenMenu 102
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#define strIDOpenItem 103
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#ifndef FOR_REZ
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/* Prototypes for routines imbedded in puppet resources */
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typedef pascal short
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(*Puppetstringimplcode_ptr)(EventRecord *evtPtr);
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typedef pascal EventListHdl
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(*Puppetstringevtcode_ptr)(EventRecord *evtPtr);
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#endif FOR_REZ
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/************************************************************************************
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* Trap interface.
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************************************************************************************/
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#ifndef FOR_REZ
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pascal void
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RequestScratchSwitchTask(ProcessID taskDescriptor, Handle eventListIn, Handle eventListOut, short timeout)
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= {0x3F3C,0x0000,0xA88F};
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/* This key (comma) with cmd key causes return to master */
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#define SCRATCHPADRETURNKEYCODE (0x2B)
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/* Bit of resume event message that signals a scratchpad return */
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#define bitResumeScratch 2
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/* RequestScratchSwitchTask() return values (stored in bits 24-31 of resume event message) */
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#define ResumeFromScratchpad 0
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/* #define resumeFlag 1 Éin {CIncludes}Events.h */
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#define ResumeTimeout 2
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#define ResumeEventListInErr 3
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#define ResumeEventListOutErr 4
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#define ResumeFromCancel 5
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/* Information record returned by GetActiveTaskInfo */
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typedef struct TaskInfoRec {
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ProcessID taskDescriptor;
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long signature;
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long version;
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} TaskInfoRec, *TaskInfoPtr, **TaskInfoHdl;
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pascal short
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GetActiveTaskInfo(TaskInfoRec taskInfo[], short maxSlot)
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= {0x3F3C,0x0001,0xA88F};
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/* Information record returned by GetSwitchInfo */
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typedef struct SwitchInfoRec {
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long signature;
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long version;
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} SwitchInfoRec, *SwitchInfoPtr, **SwitchInfoHdl;
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pascal void
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GetSwitchInfo(SwitchInfoPtr switchInfoPtr)
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= {0x3F3C,0x0002,0xA88F};
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pascal void
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CancelSwitch(void)
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= {0x3F3C,0x0003,0xA88F};
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#endif FOR_REZ
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/************************************************************************************
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* Private information.
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************************************************************************************/
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#ifndef FOR_REZ
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/* List of menu item names for puppet purposes */
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typedef struct StrList
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{
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unsigned short cStrings; /* number of strings in pStrings */
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Str255 pStrings[]; /* all strings OK for this menu item */
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} StrList, *StrListPtr, **StrListHdl;
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extern StrListPtr pStrListCopyNamePrefix;
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/* Instruction list queue data and manipulation routines */
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typedef struct PuppetInstrElem *PuppetInstrElemPtr, **PuppetInstrElemHdl;
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typedef struct PuppetInstrElem {
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PuppetInstrElemHdl nextPuppetInstrElem; /* handle to next instruction list */
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EventListHdl instrsHdl; /* handle to instruction list proper */
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unsigned short instrModBits; /* evtMouseGlobal or evtMouseLocal */
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} PuppetInstrElem;
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/* Puppet string control information */
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typedef struct PuppetVars
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{
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PEntryPtr puppetMasterProc; /* puppet: PEntry of master process */
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unsigned short puppetTimeout; /* puppet: count of GNEs before timeout */
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unsigned short puppetModBits; /* puppet: default event mods */
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MFmsgBlkPtr puppetEppcMsgBlk; /* puppet: EPPC being translated, or 0 */
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PuppetInstrElemHdl puppetInstrQueue; /* puppet: queue of event lists */
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PuppetInstrElemHdl puppetOutInstrsHdl; /* puppet: event list for canceled switch */
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PEntryPtr masterPuppetProc; /* master: PEntry of puppet process */
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char masterResumeMsg; /* master: value for resume_message */
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} PuppetVars;
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/* Control tuning */
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#define TIMEOUT_MASKYIELD 15 /* wait limit for a legal event mask */
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#define TIMEOUT_BUTTONDOWN 10 /* wait limit for a mouse up event */
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/* Shared data */
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extern Point buttonUpPt; /* point where mouse button comes up */
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extern long forcedPupStrMenuSelection; /* menu selection we are stuffing */
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extern short timeoutMaskYield; /* wait limit for a legal event mask */
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extern short timeoutButtonDown; /* wait limit for a mouse up event */
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/* Some simple operations as macros, rather than subroutines */
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#define SetOutInstrsHdl(pProc, eventListHdl) (pProc->p_puppetvars.puppetOutInstrsHdl = (eventListHdl))
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#define InstrsQueueIsEmpty() (pCurrentProcess->p_puppetvars.puppetInstrQueue == nil)
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#define ClearInstrsQueue() {while (DumpFirstInstr() != nil) ;}
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#define IsOutEventListActive() (pCurrentProcess->p_puppetvars.puppetOutInstrsHdl == (Handle) -1)
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/* Function prototypes */
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void PuppetStringsInit(void);
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OSErr CoreRequestScratchSwitchTask(PEntryPtr, EventListHdl, EventListHdl, short, MFmsgBlkPtr);
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EventListHdl GetActiveInstrsHdl(void);
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OSErr PushInstrsHdl(PEntryPtr, EventListHdl, short);
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OSErr AddInstrsHdl(PEntryPtr, EventListHdl);
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PuppetInstrElemHdl DumpFirstInstr(void);
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void CancelSwitchWithError(void);
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#endif FOR_REZ
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#endif __PUPPET__
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