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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"
"http://www.w3.org/TR/1999/REC-html401-19991224/loose.dtd">
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<a href="http://developer.apple.com/">ADC Home</a> > <a href="../../referencelibrary/index.html">Reference Library</a> > <a href="../../samplecode/index.html">Sample Code</a> > <a href="../../samplecode/QuickTime/index.html">QuickTime</a> > <a href="../../samplecode/QuickTime/idxMovieBasics-date.html">Movie Basics</a> > <A HREF="javascript:location.replace('index.html');">MovieGWorlds</A> >
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<h2>/GetFile.c</h2>
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<p><strong>View Source Code:</strong>
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<option value="listing1.html">/carb.r</option>
<option value="listing2.html">/DTSQTUtilities.c</option>
<option value="listing3.html">/DTSQTUtilities.h</option>
<option value="listing4.html">/GetFile.c</option>
<option value="listing5.html">/GetFile.h</option>
<option value="listing6.html">/MacPrefix.h</option>
<option value="listing7.html">/MovieGWorlds.c</option>
<option value="listing8.html">/MovieGWorlds.h</option>
<option value="listing9.html">/MovieProc.c</option>
<option value="listing10.html">/MovieProc.h</option>
<option value="listing11.html">/Prefix.h</option>
<option value="listing12.html">/TrackGWorlds.c</option>
<option value="listing13.html">/TrackGWorlds.h</option></select>
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<p><strong><a href="MovieGWorlds.zip">Download Sample</a></strong> (“MovieGWorlds.zip”, 1.62M)<BR>
<strong><a href="MovieGWorlds.dmg">Download Sample</a></strong> (“MovieGWorlds.dmg”, 1.69M)</p>
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<pre class="sourcecodebox">/* File: GetFile.c Description: Get a single file using Navigation Services Author: based on code from QTShell sample Copyright: © Copyright 2000 Apple Computer, Inc. All rights reserved. Disclaimer: IMPORTANT: This Apple software is supplied to you by Apple Computer, Inc. ("Apple") in consideration of your agreement to the following terms, and your use, installation, modification or redistribution of this Apple software constitutes acceptance of these terms. If you do not agree with these terms, please do not use, install, modify or redistribute this Apple software. In consideration of your agreement to abide by the following terms, and subject to these terms, Apple grants you a personal, non-exclusive license, under Apple's copyrights in this original Apple software (the "Apple Software"), to use, reproduce, modify and redistribute the Apple Software, with or without modifications, in source and/or binary forms; provided that if you redistribute the Apple Software in its entirety and without modifications, you must retain this notice and the following text and disclaimers in all such redistributions of the Apple Software. Neither the name, trademarks, service marks or logos of Apple Computer, Inc. may be used to endorse or promote products derived from the Apple Software without specific prior written permission from Apple. Except as expressly stated in this notice, no other rights or licenses, express or implied, are granted by Apple herein, including but not limited to any patent rights that may be infringed by your derivative works or by other works in which the Apple Software may be incorporated. The Apple Software is provided by Apple on an "AS IS" basis. APPLE MAKES NO WARRANTIES, EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION THE IMPLIED WARRANTIES OF NON-INFRINGEMENT, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, REGARDING THE APPLE SOFTWARE OR ITS USE AND OPERATION ALONE OR IN COMBINATION WITH YOUR PRODUCTS. IN NO EVENT SHALL APPLE BE LIABLE FOR ANY SPECIAL, INDIRECT, INCIDENTAL OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) ARISING IN ANY WAY OUT OF THE USE, REPRODUCTION, MODIFICATION AND/OR DISTRIBUTION OF THE APPLE SOFTWARE, HOWEVER CAUSED AND WHETHER UNDER THEORY OF CONTRACT, TORT (INCLUDING NEGLIGENCE), STRICT LIABILITY OR OTHERWISE, EVEN IF APPLE HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. Change History (most recent first): <1> 4/1/00 initial release*/#include "GetFile.h"const OSType kApplicationSignature = FOUR_CHAR_CODE('????');const ResType kOpenResourceType = FOUR_CHAR_CODE('open');const StringPtr kApplicationName = "\pExample";////////////// GetOneFileWithPreview// Display the appropriate file-opening dialog box, with an optional QuickTime preview pane. If the user// selects a file, return information about it using the theFSSpecPtr parameter.//// Note that both StandardGetFilePreview and NavGetFile use the function specified by theFilterProc as a// file filter. This framework always passes NULL in the theFilterProc parameter. If you use this function// in your own code, keep in mind that on Windows the function specifier must be of type FileFilterUPP and // on Macintosh it must be of type NavObjectFilterUPP. (You can use the QTFrame_GetFileFilterUPP to create// a function specifier of the appropriate type.) Also keep in mind that Navigation Services expects a file // filter function to return true if a file is to be displayed, while the Standard File Package expects the// filter to return false if a file is to be displayed.////////////OSErr GetOneFileWithPreview (short theNumTypes, TypeListPtr theTypeList, FSSpecPtr theFSSpecPtr, void *theFilterProc){ #if TARGET_OS_WIN32 StandardFileReply myReply;#endif#if TARGET_OS_MAC NavReplyRecord myReply; NavDialogOptions myDialogOptions; NavTypeListHandle myOpenList = NULL; NavEventUPP myEventUPP = NewNavEventUPP(HandleNavEvent);#endif OSErr myErr = noErr; if (theFSSpecPtr == NULL) return(paramErr);#if TARGET_OS_WIN32 // prompt the user for a file StandardGetFilePreview((FileFilterUPP)theFilterProc, theNumTypes, (ConstSFTypeListPtr)theTypeList, &myReply); if (!myReply.sfGood) return(userCanceledErr); // make an FSSpec record myErr = FSMakeFSSpec(myReply.sfFile.vRefNum, myReply.sfFile.parID, myReply.sfFile.name, theFSSpecPtr);#endif#if TARGET_OS_MAC // specify the options for the dialog box NavGetDefaultDialogOptions(&myDialogOptions); myDialogOptions.dialogOptionFlags -= kNavNoTypePopup; myDialogOptions.dialogOptionFlags -= kNavAllowMultipleFiles; BlockMoveData(kApplicationName, myDialogOptions.clientName, kApplicationName[0] + 1); // create a handle to an 'open' resource myOpenList = (NavTypeListHandle)CreateOpenHandle(kApplicationSignature, theNumTypes, theTypeList); if (myOpenList != NULL) HLock((Handle)myOpenList); // prompt the user for a file myErr = NavGetFile(NULL, &myReply, &myDialogOptions, myEventUPP, NULL, (NavObjectFilterUPP)theFilterProc, myOpenList, NULL); if ((myErr == noErr) && myReply.validRecord) { AEKeyword myKeyword; DescType myActualType; Size myActualSize = 0; // get the FSSpec for the selected file if (theFSSpecPtr != NULL) myErr = AEGetNthPtr(&(myReply.selection), 1, typeFSS, &myKeyword, &myActualType, theFSSpecPtr, sizeof(FSSpec), &myActualSize); NavDisposeReply(&myReply); } if (myOpenList != NULL) { HUnlock((Handle)myOpenList); DisposeHandle((Handle)myOpenList); } DisposeNavEventUPP(myEventUPP);#endif return(myErr);}////////////// CreateOpenHandle// Get the 'open' resource or dynamically create a NavTypeListHandle.////////////Handle CreateOpenHandle (OSType theApplicationSignature, short theNumTypes, TypeListPtr theTypeList){ Handle myHandle = NULL; // see if we have an 'open' resource... myHandle = Get1Resource('open', 128); if ( myHandle != NULL && ResError() == noErr ) { DetachResource( myHandle ); return myHandle; } else { myHandle = NULL; } // nope, use the passed in types and dynamically create the NavTypeList if (theTypeList == NULL) return myHandle; if (theNumTypes > 0) { myHandle = NewHandle(sizeof(NavTypeList) + (theNumTypes * sizeof(OSType))); if (myHandle != NULL) { NavTypeListHandle myOpenResHandle = (NavTypeListHandle)myHandle; (*myOpenResHandle)->componentSignature = theApplicationSignature; (*myOpenResHandle)->osTypeCount = theNumTypes; BlockMoveData(theTypeList, (*myOpenResHandle)->osType, theNumTypes * sizeof(OSType)); } } return myHandle;}////////////// HandleNavEvent// A callback procedure that handles events while a Navigation Service dialog box is displayed.//////////////PASCAL_RTN void HandleNavEvent(NavEventCallbackMessage theCallBackSelector, NavCBRecPtr theCallBackParms, void *theCallBackUD)pascal void HandleNavEvent(NavEventCallbackMessage theCallBackSelector, NavCBRecPtr theCallBackParms, void *theCallBackUD){#pragma unused(theCallBackUD) if (theCallBackSelector == kNavCBEvent) { switch (theCallBackParms->eventData.eventDataParms.event->what) { case updateEvt:#if TARGET_OS_MAC // Handle Update Event#endif break; case nullEvent: // Handle Null Event break; } }}</pre>
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<div style="margin-bottom: 8px"><a href="http://developer.apple.com/feedback/?v=1&url=/samplecode/MovieGWorlds/listing4.html%3Fid%3DDTS10000771-1.0&media=dvd" target=_new>Yes</a>: Tell us what works for you.</div>
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