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- /* File: FinderLaunch.c
-
- Description:
- A routine for sending an open documents Apple event to the
- finder. This routine provides functionality equivalent to
- selecting a document/file/application and choosing the
- open command in the Finder's file menu.
-
- Author: John Montbriand
-
- Copyright:
- Copyright © 1999 by Apple Computer, Inc.
- All rights reserved worldwide.
-
- Disclaimer:
- You may incorporate this sample code into your applications without
- restriction, though the sample code has been provided "AS IS" and the
- responsibility for its operation is 100% yours. However, what you are
- not permitted to do is to redistribute the source as "DSC Sample Code"
- after having made changes. If you're going to re-distribute the source,
- we require that you make it clear in the source that the code was
- descended from Apple Sample Code, but that you've made changes.
-
- Change History (most recent first):
- 9/13/99 created by John Montbriand
- */
-
- #include "FinderLaunch.h"
- #include <QuickDraw.h>
- #include <AppleEvents.h>
- #include <Errors.h>
- #include <Files.h>
- #include <AERegistry.h>
- #include <Aliases.h>
-
-
-
-
- OSErr FinderLaunch(long nTargets, FSSpec *targetList) {
- OSErr err;
- AppleEvent theAEvent, theReply;
- AEAddressDesc fndrAddress;
- AEDescList targetListDesc;
- OSType fndrCreator;
- Boolean wasChanged;
- AliasHandle targetAlias;
- long index;
-
- /* verify parameters */
- if ((nTargets == 0) || (targetList == NULL)) return paramErr;
-
- /* set up locals */
- AECreateDesc(typeNull, NULL, 0, &theAEvent);
- AECreateDesc(typeNull, NULL, 0, &fndrAddress);
- AECreateDesc(typeNull, NULL, 0, &theReply);
- AECreateDesc(typeNull, NULL, 0, &targetListDesc);
- targetAlias = NULL;
- fndrCreator = 'MACS';
-
- /* create an open documents event targeting the finder */
- err = AECreateDesc(typeApplSignature, (Ptr) &fndrCreator,
- sizeof(fndrCreator), &fndrAddress);
- if (err != noErr) goto bail;
- err = AECreateAppleEvent(kCoreEventClass, kAEOpenDocuments,
- &fndrAddress, kAutoGenerateReturnID,
- kAnyTransactionID, &theAEvent);
- if (err != noErr) goto bail;
-
- /* create the list of files to open */
- err = AECreateList(NULL, 0, false, &targetListDesc);
- if (err != noErr) goto bail;
- for ( index=0; index < nTargets; index++) {
- if (targetAlias == NULL)
- err = NewAlias(NULL, (targetList + index), &targetAlias);
- else err = UpdateAlias(NULL, (targetList + index), targetAlias, &wasChanged);
- if (err != noErr) goto bail;
- HLock((Handle) targetAlias);
- err = AEPutPtr(&targetListDesc, (index + 1), typeAlias, *targetAlias, GetHandleSize((Handle) targetAlias));
- HUnlock((Handle) targetAlias);
- if (err != noErr) goto bail;
- }
-
- /* add the file list to the apple event */
- err = AEPutParamDesc(&theAEvent, keyDirectObject, &targetListDesc);
- if (err != noErr) goto bail;
-
- /* send the event to the Finder */
- err = AESend(&theAEvent, &theReply, kAENoReply,
- kAENormalPriority, kAEDefaultTimeout, NULL, NULL);
-
- /* clean up and leave */
- bail:
- if (targetAlias != NULL) DisposeHandle((Handle) targetAlias);
- AEDisposeDesc(&targetListDesc);
- AEDisposeDesc(&theAEvent);
- AEDisposeDesc(&fndrAddress);
- AEDisposeDesc(&theReply);
- return err;
- }
-