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339 lines
12 KiB
C
339 lines
12 KiB
C
/*
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File: Component Manager.h
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Copyright: © 1990-1991, 1993 by Apple Computer, Inc., all rights reserved.
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Change History (most recent first):
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<SM4> 8/5/93 JDR integrate component mgr from Reality
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<SM3> 7/21/93 RC House Cleaning from Reality
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<4> 7/20/93 JDR Added some constants to match the public version of this header
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file.
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<3> 6/13/93 JDR Rolled in the ComponentMgr sources from QuickTime 1.6.
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<2> 12/12/91 DTY Take the spaces out of the Component Manager files.
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<14> 10/1/91 BAL changed return value type for loadcomponent
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<13> 10/1/91 BAL Added prototypes for internal routines.
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<12> 9/20/91 BAL OpenDefaultComponent takes OSTypes.
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<11> 9/17/91 BAL Added cmpWantsRegisterMessage
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<10> 8/28/91 BAL Added OpenDefaultComponent
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<9> 7/18/91 dvb Typo
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<8> 7/18/91 dvb THINC_C == 1
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<7> 5/25/91 JB OLD_THINK_C && TOOLBOX_LINKED
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<6> 5/17/91 dvb Thing->Component
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<5> 5/6/91 dvb Gestalt Selectors
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<4> 5/5/91 dvb Make field names begin lower case!
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<3> 5/4/91 GW Put in forPublicRelease check.
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<2> 5/4/91 PH ComponentError -> ComponentResult
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<1> 5/3/91 BAL first checked in
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<10> 4/25/91 JB Changing to new THINK C interface files
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<9> 4/24/91 BAL Make CloseComponentResFile return an OSErr instead of a short.
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<8> 4/18/91 BAL Removed self and when fields from the ComponentParams structure.
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RegisterComponent now takes a ComponentRoutine not a ComponentRoutine*; this
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was merely a typedef problem you still pass it a pointer to the
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routine.
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<7> 4/15/91 BAL Removed the getComponentParentInstance message.
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<6> 4/15/91 BAL Added some enums and renamed the params to CaptureComponent.
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<5> 4/7/91 BAL Renamed ChainComponentCall to DelegateComponentCall as to Jed Harris'
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suggestion.
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<4> 3/28/91 dvb Trivia
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<3> 3/28/91 BAL Do some file management. Added Load/UnloadComponent. Added
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Capture/UncaptureComponent. Added SetDefaultComponent.
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<2> 2/16/91 BAL Added ComponentCallNow() macro
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<3> 12/30/90 bal changed name to Component manager
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<2> 10/06/90 dvb Make it work
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To Do:
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*/
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#ifdef firstHeaderFile
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/************************************************************
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Created: ∑$
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Components.h
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C Interface to the Macintosh Libraries
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Copyright Apple Computer, Inc. 1991, 1992
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All rights reserved
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************************************************************/
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#endif firstHeaderFile
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#ifndef __COMPONENTS__
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#define __COMPONENTS__
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#ifndef __TYPES__
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#include <Types.h>
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#endif
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#ifndef __MEMORY__
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#include <Memory.h>
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#endif
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#ifndef kSmallestArray
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#define kSmallestArray 1
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#endif
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#define kAppleManufacturer 'appl' /* Apple supplied components */
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#define kComponentResourceType 'thng' /* a components resource type */
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enum {
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kAnyComponentType = 0,
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kAnyComponentSubType = 0,
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kAnyComponentManufacturer = 0,
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kAnyComponentFlagsMask = 0
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};
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enum {
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cmpWantsRegisterMessage = 1L<<31
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};
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#ifndef _PrivateThingManager_
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typedef struct
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{
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OSType componentType; /* A unique 4-byte code indentifying the command set */
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OSType componentSubType; /* Particular flavor of this instance */
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OSType componentManufacturer; /* Vendor indentification */
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unsigned long componentFlags; /* 8 each for Component,Type,SubType,Manuf/revision */
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unsigned long componentFlagsMask; /* Mask for specifying which flags to consider in search, zero during registration */
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} ComponentDescription;
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#endif _PrivateThingManager_
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typedef struct
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{
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OSType resType; /* 4-byte code */
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short resID; /* */
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} ResourceSpec;
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struct ComponentResource {
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ComponentDescription cd; /* Registration parameters */
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ResourceSpec component; /* resource where Component code is found */
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ResourceSpec componentName; /* name string resource */
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ResourceSpec componentInfo; /* info string resource */
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ResourceSpec componentIcon; /* icon resource */
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};
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typedef struct ComponentResource ComponentResource;
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typedef ComponentResource *ComponentResourcePtr, **ComponentResourceHandle;
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struct ComponentPlatformInfo
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{
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long componentFlags; /* flags of Component */
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ResourceSpec component; /* resource where Component code is found */
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short platformType; /* gestaltSysArchitecture result */
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};
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typedef struct ComponentPlatformInfo ComponentPlatformInfo;
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struct ComponentResourceExtension
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{
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long componentVersion; /* version of Component */
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long componentRegisterFlags; /* flags for registration */
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short componentIconFamily; /* resource id of Icon Family */
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};
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typedef struct ComponentResourceExtension ComponentResourceExtension;
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struct ComponentPlatformInfoArray
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{
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long count;
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ComponentPlatformInfo platformArray[1];
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};
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typedef struct ComponentPlatformInfoArray ComponentPlatformInfoArray;
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enum { // Component Resource Extension flags
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componentDoAutoVersion = (1<<0),
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componentWantsUnregister = (1<<1),
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componentAutoVersionIncludeFlags = (1<<2),
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componentHasMutliplePlatforms = (1<<3)
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};
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#ifndef _PrivateThingManager_
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typedef struct privateComponentRecord *Component;
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typedef struct privateComponentInstanceRecord *ComponentInstance;
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typedef struct privateRegisteredComponentRecord *RegisteredComponentPtr;
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typedef struct privateRegisteredComponentInstanceRecord *RegisteredComponentInstancePtr;
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#endif _PrivateThingManager_
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/* Structure received by Component: */
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typedef struct
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{
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unsigned char flags; /* call modifiers: sync/async, deferred, immed, etc */
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unsigned char paramSize; /* size in bytes of actual parameters passed to this call */
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short what; /* routine selector, negative for Component management calls */
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long params[kSmallestArray]; /* actual parameters for the indicated routine */
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} ComponentParameters;
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typedef long ComponentResult;
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typedef pascal ComponentResult (*ComponentRoutine)
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(ComponentParameters *cp, Handle componentStorage );
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typedef pascal ComponentResult (*ComponentFunction)();
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#ifndef forPublicRelease
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#ifndef tLINKED
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#define ComponentDispatch(name,returnType,selector) \
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pascal returnType name() = {0x7000+selector,0xA82A};
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#include "ComponentManagerSelectors.h"
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#undef ComponentDispatch
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#endif tLINKED
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#endif forPublicRelease
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//∑#ifndef forPublicRelease
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#define ComponentCallNow( callNumber, paramSize ) \
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{0x2f3c,paramSize,callNumber,0x7000,0xA82A}
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/* the //$$$COMPONENTCALLNOW is so that MakeWarholRelease can figure out where to insert the ComponentCallNow macro */
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//∑#endif
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//$$$COMPONENTCALLNOW
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/********************************************************
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* Required Component routines
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********************************************************/
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#define kComponentOpenSelect -1 /* ComponentInstance for this open */
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#define kComponentCloseSelect -2 /* ComponentInstance for this close */
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#define kComponentCanDoSelect -3 /* selector # being queried */
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#define kComponentVersionSelect -4 /* no params */
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#define kComponentRegisterSelect -5 /* no params */
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#define kComponentTargetSelect -6 /* ComponentInstance for top of call chain */
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#define kComponentUnregisterSelect -7 /* no params */
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enum { /* Set Default Component flags */
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defaultComponentIdentical = 0,
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defaultComponentAnyFlags = 1,
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defaultComponentAnyManufacturer = 2,
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defaultComponentAnySubType = 4
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};
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#define defaultComponentAnyFlagsAnyManufacturer defaultComponentAnyFlags+defaultComponentAnyManufacturer
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#define defaultComponentAnyFlagsAnyManufacturerAnySubType defaultComponentAnyFlags+defaultComponentAnyManufacturer+defaultComponentAnySubType
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#ifndef forPublicRelease
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enum { /* RegisterComponentResource flags */
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registerComponentGlobal = 1,
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registerComponentNoDuplicates = 2,
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registerComponentAfterExisting = 4
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};
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#endif
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#ifdef __cplusplus
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extern "C" {
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#endif __cplusplus
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/********************************************************
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* *
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* APPLICATION LEVEL CALLS *
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* *
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********************************************************/
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/********************************************************
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* Component Database Add, Delete, and Query Routines
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********************************************************/
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pascal Component RegisterComponent(ComponentDescription *cd, ComponentRoutine componentEntryPoint, short global, Handle componentName, Handle componentInfo, Handle componentIcon);
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pascal Component RegisterComponentResource(ComponentResourceHandle cr, short global);
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pascal OSErr UnregisterComponent(Component aComponent);
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pascal Component FindNextComponent(Component aComponent, ComponentDescription *looking);
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pascal long CountComponents(ComponentDescription *looking);
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pascal OSErr GetComponentInfo(Component aComponent, ComponentDescription *cd, Handle componentName, Handle componentInfo, Handle componentIcon);
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pascal long GetComponentListModSeed( void );
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/********************************************************
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* Component Instance Allocation and dispatch routines
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********************************************************/
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pascal ComponentInstance OpenComponent(Component aComponent);
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pascal OSErr CloseComponent(ComponentInstance aComponentInstance);
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pascal OSErr GetComponentInstanceError(ComponentInstance aComponentInstance);
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/* direct calls to the Components */
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pascal long ComponentFunctionImplemented(ComponentInstance ci, short ftnNumber) = ComponentCallNow(-3,2);
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pascal long GetComponentVersion(ComponentInstance ci) = ComponentCallNow(-4,0);
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pascal long ComponentSetTarget(ComponentInstance ci, ComponentInstance target) = ComponentCallNow(-6,4);
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/********************************************************
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* *
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* CALLS MADE BY ComponentS *
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* *
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********************************************************/
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/********************************************************
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* Component Management routines
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********************************************************/
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pascal void SetComponentInstanceError(ComponentInstance aComponentInstance, OSErr theError);
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pascal long GetComponentRefcon(Component aComponent);
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pascal void SetComponentRefcon(Component aComponent, long theRefcon);
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pascal short OpenComponentResFile(Component aComponent);
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pascal OSErr CloseComponentResFile(short refnum);
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/********************************************************
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* Component Instance Management routines
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********************************************************/
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pascal Handle GetComponentInstanceStorage(ComponentInstance aComponentInstance);
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pascal void SetComponentInstanceStorage(ComponentInstance aComponentInstance, Handle theStorage);
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pascal long GetComponentInstanceA5(ComponentInstance aComponentInstance);
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pascal void SetComponentInstanceA5(ComponentInstance aComponentInstance, long theA5);
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pascal long CountComponentInstances(Component aComponent);
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/* useful helper routines for convenient method dispatching */
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pascal long CallComponentFunction(ComponentParameters *params, ComponentFunction func ) = {0x70FF,0xA82A};
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pascal long CallComponentFunctionWithStorage(Handle storage, ComponentParameters *params, ComponentFunction func ) = {0x70FF,0xA82A};
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pascal long DelegateComponentCall( ComponentParameters *originalParams, ComponentInstance ci ) = {0x7024,0xA82A};
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pascal OSErr SetDefaultComponent( Component aComponent, short flags );
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pascal ComponentInstance OpenDefaultComponent( OSType componentType, OSType componentSubType );
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pascal Component CaptureComponent( Component capturedComponent, Component capturingComponent );
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pascal OSErr UncaptureComponent( Component aComponent );
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pascal long RegisterComponentResourceFile(short resRefNum, short global);
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pascal OSErr GetComponentIconSuite(Component aComponent, Handle *iconSuite);
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#ifndef forPublicRelease
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/********************************************************
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* Private component routines
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********************************************************/
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pascal long LoadComponent( Component aComponent );
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pascal OSErr UnloadComponent( Component aComponent );
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pascal OSErr DestroyComponent( Component aComponent );
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pascal RegisteredComponentInstancePtr ValidComponentInstance(ComponentInstance aComponentInstance);
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pascal RegisteredComponentPtr ValidComponent(Component aComponent);
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pascal OSErr GrowRegisteredComponentInstanceTable( short growCount );
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pascal OSErr GrowRegisteredComponentTable( short growCount );
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pascal void InitComponentManager(Ptr *cutBackAddress);
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pascal OSErr GetComponentInfoPrivate( Component aComponent,
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Handle nameHand, Handle infoHand, Handle iconHand );
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pascal short ResolveComponentPlatform(ComponentResource **htr, ComponentDescription *cd, ResourceSpec *rs);
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#endif forPublicRelease
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#ifdef __cplusplus
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}
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#endif __cplusplus
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#endif __COMPONENTS__
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