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<option value="listing39.html">/Completed Lab/QTVideo.c</option>
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<option value="listing41.html">/Start Code/CreateMovie.c</option>
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<p><strong><a href="CreateMovie.zip">Download Sample</a></strong> (“CreateMovie.zip”, 1.12M)<BR>
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<pre class="sourcecodebox">////////////// File: ComFramework.c//// Contains: Code for the QuickTime sample code framework that is common to both Macintosh and Windows.//// Written by: Tim Monroe// Based on the QTShell code written by Tim Monroe, which in turn was based on the MovieShell// code written by Kent Sandvik (Apple DTS). This current version is now very far removed from// MovieShell.//// Copyright: © 1999 by Apple Computer, Inc., all rights reserved.//// Change History (most recent first):// // <16> 05/01/01 srk made changes to get things running under Mac OS X// <15> 03/02/00 rtm made changes to get things running under CarbonLib// <14> 02/16/00 rtm added QTFrame_GetWindowPtrFromWindowReference// <13> 01/19/00 rtm revised QTFrame_IsAppWindow (dialog windows no longer count as application// windows); added QTFrame_BuildFileTypeList and QTFrame_AddComponentFileTypes// to avoid calling GetMovieImporterForDataRef in QTFrame_FilterFiles; removed// the hard-coded file types// <12> 01/14/00 rtm added support for graphics files, using graphics importers// <11> 12/28/99 rtm added QTFrame_ConvertMacToWinRect and QTFrame_ConvertWinToMacRect// <10> 12/21/99 rtm hard-coded some file types into QTFrame_FilterFiles; if we let QuickTime// to do all the testing (using GetMovieImporterForDataRef), it takes too long// <9> 12/17/99 rtm added some code to QTFrame_SetMenuItemState to work around a problem that// appears under MacOS 8.5.1 (as far as I can tell...)// <8> 12/16/99 rtm added QTApp_HandleMenu calls to _HandleFileMenuItem and _HandleEditMenuItem// to allow the application-specific code to intercept menu item selections;// added QTFrame_FilterFiles// <7> 12/15/99 rtm added QTApp_Idle call to QTFrame_IdleMovieWindows// <6> 12/11/99 rtm added GetMenuState call to Windows portion of QTFrame_SetMenuItemLabel;// tweaked _SizeWindowToMovie to guard against NULL movie and/or controller// <5> 11/30/99 rtm added QTFrame_CloseMovieWindows// <4> 11/27/99 rtm added QTFrame_GetFileFilterUPP// <3> 11/17/99 rtm finished support for Navigation Services; added QTFrame_IdleMovieWindows// <2> 11/16/99 rtm begun support for Navigation Services// <1> 11/05/99 rtm first file//// This file contains several kinds of functions: (1) functions that use completely cross-platform APIs and// which therefore can be compiled and run for both Mac and Windows platforms with no changes whatsoever (a// good example of this is QTFrame_SaveAsMovieFile); (2) functions that are substantially the same on both// platforms but which require several short platform-dependent #ifdef TARGET_OS_ blocks (a good example of// this is QTFrame_AdjustMenus); (3) functions that retrieve data from framework-specific data structures (a// good example of this is QTFrame_GetWindowObjectFromWindow); (4) functions that provide a platform-neutral// interface to platform-specific operations (a good example of this is QTFrame_Beep). In a nutshell, this// file attempts to provide platform-independent services to its callers, typically functions in the files// MacFramework.c, WinFramework.c, and ComApplication.c.//// In general, you should not need to modify this file. Your application-specific code should usually be put// into the file ComApplication.c.////////////////////////// header files////////////#include "ComFramework.h"#include "CreateMovie.h"#include "QTFlatten.h"////////////// prototypes////////////static void QTFrame_AddComponentFileTypes (OSType theComponentType, long *theNextIndex);////////////// global variables////////////Rect gMCResizeBounds; // maximum size for any movie windowOSType *gValidFileTypes = NULL; // the list of file types that our application can open#if TARGET_OS_WIN32extern HWND ghWnd;extern HWND ghWndMDIClient;extern BOOL gWeAreSizingWindow;#endif#if TARGET_OS_MACextern Str255 gAppName;void QTFrame_HandleEvent (EventRecord *theEvent);#endif/////////////////////////////////////////////////////////////////////////////////////////////////////////////// Menu-handling functions.//// Use these functions to handle items in the File and Edit menus./////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// QTFrame_HandleFileMenuItem// Handle the specified File menu item.////////////void QTFrame_HandleFileMenuItem (WindowReference theWindow, UInt16 theMenuItem){ // give the application-specific code a chance to intercept the menu item selection if (QTApp_HandleMenu(theMenuItem)) return; switch (theMenuItem) { case IDM_FILENEW: CreateAMovie(); //QTFrame_CreateNewMovie(); break; case IDM_FILEOPEN: QTFrame_OpenMovieInWindow(NULL, NULL); break; case IDM_FILECLOSE: QTFrame_DestroyMovieWindow(theWindow); break; case IDM_FILESAVE: QTFrame_UpdateMovieFile(theWindow); break; case IDM_FILESAVEAS: QTFrame_SaveAsMovieFile(theWindow); break; case IDM_EXIT: QTFrame_QuitFramework(); break; default: break; } // switch (theMenuItem) }////////////// QTFrame_HandleEditMenuItem// Perform the specified edit operation on the specified window.////////////void QTFrame_HandleEditMenuItem (WindowReference theWindow, UInt16 theMenuItem){ WindowObject myWindowObject = NULL; MovieController myMC = NULL; Movie myEditMovie = NULL; // the movie created by some editing operations // give the application-specific code a chance to intercept the menu item selection if (QTApp_HandleMenu(theMenuItem)) return; myWindowObject = QTFrame_GetWindowObjectFromWindow(theWindow); myMC = QTFrame_GetMCFromWindow(theWindow); // make sure we have a valid movie controller and a valid window object if ((myMC == NULL) || (myWindowObject == NULL)) return; switch (theMenuItem) { case IDM_EDITUNDO: MCUndo(myMC); (**myWindowObject).fIsDirty = true; break; case IDM_EDITCUT: myEditMovie = MCCut(myMC); (**myWindowObject).fIsDirty = true; break; case IDM_EDITCOPY: myEditMovie = MCCopy(myMC); break; case IDM_EDITPASTE: MCPaste(myMC, NULL); (**myWindowObject).fIsDirty = true; break; case IDM_EDITCLEAR: MCClear(myMC); (**myWindowObject).fIsDirty = true; break; case IDM_EDITSELECTALL: QTUtils_SelectAllMovie(myMC); break; case IDM_EDITSELECTNONE: QTUtils_SelectNoneMovie(myMC); break; default: break; } // switch (theMenuItem) // place any cut or copied movie segment onto the scrap if (myEditMovie != NULL) { PutMovieOnScrap(myEditMovie, 0L); DisposeMovie(myEditMovie); }}////////////// QTFrame_AdjustMenus // Adjust the application's menus.//// On Windows, the theWindow parameter is a handle to the active MDI *child* window, if any.// On Mac, the theWindow parameter is a pointer to the frontmost window, if any.////////////int QTFrame_AdjustMenus (WindowReference theWindow, MenuReference theMenu){#if TARGET_OS_MAC#pragma unused(theMenu)#endif WindowObject myWindowObject = NULL; MovieController myMC = NULL; MenuReference myMenu = NULL; #if TARGET_OS_WIN32 myMenu = theMenu;#endif if (theWindow != NULL) myWindowObject = QTFrame_GetWindowObjectFromWindow(theWindow); if (myWindowObject != NULL) myMC = (**myWindowObject).fController; ////////// // // configure the Edit menu // ////////// #if TARGET_OS_MAC myMenu = GetMenuHandle(kEditMenuResID);#endif if (myMC != NULL) { long myFlags; MCGetControllerInfo(myMC, &myFlags); QTFrame_SetMenuItemState(myMenu, IDM_EDITUNDO, myFlags & mcInfoUndoAvailable ? kEnableMenuItem : kDisableMenuItem); QTFrame_SetMenuItemState(myMenu, IDM_EDITCUT, myFlags & mcInfoCutAvailable ? kEnableMenuItem : kDisableMenuItem); QTFrame_SetMenuItemState(myMenu, IDM_EDITCOPY, myFlags & mcInfoCopyAvailable ? kEnableMenuItem : kDisableMenuItem); QTFrame_SetMenuItemState(myMenu, IDM_EDITPASTE, myFlags & mcInfoPasteAvailable ? kEnableMenuItem : kDisableMenuItem); QTFrame_SetMenuItemState(myMenu, IDM_EDITCLEAR, myFlags & mcInfoClearAvailable ? kEnableMenuItem : kDisableMenuItem); QTFrame_SetMenuItemState(myMenu, IDM_EDITSELECTALL, myFlags & mcInfoEditingEnabled ? kEnableMenuItem : kDisableMenuItem); QTFrame_SetMenuItemState(myMenu, IDM_EDITSELECTNONE, myFlags & mcInfoEditingEnabled ? kEnableMenuItem : kDisableMenuItem); } else { QTFrame_SetMenuItemState(myMenu, IDM_EDITUNDO, kDisableMenuItem); QTFrame_SetMenuItemState(myMenu, IDM_EDITCUT, kDisableMenuItem); QTFrame_SetMenuItemState(myMenu, IDM_EDITCOPY, kDisableMenuItem); QTFrame_SetMenuItemState(myMenu, IDM_EDITPASTE, kDisableMenuItem); QTFrame_SetMenuItemState(myMenu, IDM_EDITCLEAR, kDisableMenuItem); QTFrame_SetMenuItemState(myMenu, IDM_EDITSELECTALL, kDisableMenuItem); QTFrame_SetMenuItemState(myMenu, IDM_EDITSELECTNONE, kDisableMenuItem); } ////////// // // configure the File menu // ////////// #if TARGET_OS_MAC myMenu = GetMenuHandle(kFileMenuResID);#endif if (theWindow != NULL) { // there is a window open // handle the Close command QTFrame_SetMenuItemState(myMenu, IDM_FILECLOSE, kEnableMenuItem); // handle the Save As and Save commands if (myWindowObject != NULL) { QTFrame_SetMenuItemState(myMenu, IDM_FILESAVEAS, kEnableMenuItem); QTFrame_SetMenuItemState(myMenu, IDM_FILESAVE, (**myWindowObject).fIsDirty ? kEnableMenuItem : kDisableMenuItem); } else { QTFrame_SetMenuItemState(myMenu, IDM_FILESAVEAS, kDisableMenuItem); QTFrame_SetMenuItemState(myMenu, IDM_FILESAVE, kDisableMenuItem); } } else { // there is no window open QTFrame_SetMenuItemState(myMenu, IDM_FILESAVE, kDisableMenuItem); QTFrame_SetMenuItemState(myMenu, IDM_FILESAVEAS, kDisableMenuItem); QTFrame_SetMenuItemState(myMenu, IDM_FILECLOSE, kDisableMenuItem); } // adjust any application-specific menus QTApp_AdjustMenus(theWindow, theMenu); return(0);}/////////////////////////////////////////////////////////////////////////////////////////////////////////////// Movie-handling functions.//// Use these functions to create new movies, open existing movies, save movies, and so forth./////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// QTFrame_CreateNewMovie// Create a new movie in a window; returns true if successful.//// NOTE: There are several user interface issues that are blissfully ignored by this routine,// principally the preferred names and the on-screen locations of the new windows. ////////////Boolean QTFrame_CreateNewMovie (void){ Movie myMovie = NULL; FSSpec myFSSpec; StringPtr myName = QTUtils_ConvertCToPascalString(kNewMovieName); myMovie = NewMovie(newMovieActive); if (myMovie == NULL) return(false); // create a default FSSpec FSMakeFSSpec(0, 0L, myName, &myFSSpec); free(myName); return(QTFrame_OpenMovieInWindow(myMovie, &myFSSpec));}////////////// QTFrame_OpenMovieInWindow// Open a movie in a new movie window; return true if successful.//// This function is called from several places in our framework. The following combinations are possible:// * theMovie == NULL, theFSSpec == NULL: no movie, no file; elicit a movie file from user and open it// * theMovie != NULL, theFSSpec == NULL: new movie, no file (yet)// * theMovie == NULL, theFSSpec != NULL: no movie, but we have an FSSpec; so just open the specified movie file// * theMovie != NULL, theFSSpec != NULL: new movie, theFSSpec contains (at least) the movie name////////////Boolean QTFrame_OpenMovieInWindow (Movie theMovie, FSSpec *theFSSpec){ WindowObject myWindowObject = NULL; Movie myMovie = NULL; MovieController myMC = NULL; GraphicsImportComponent myImporter = NULL; WindowReference myWindow = NULL; FSSpec myFSSpec; short myRefNum = kInvalidFileRefNum; short myResID = 0; OSType myTypeList[] = {kQTFileTypeMovie, kQTFileTypeQuickTimeImage}; short myNumTypes = 2; GrafPtr mySavedPort; Rect myRect = {0, 0, 0, 0}; Point myPoint; QTFrameFileFilterUPP myFileFilterUPP = NULL; OSErr myErr = noErr;#if TARGET_OS_MAC myNumTypes = 0;#endif // get the current port; we may need to restore it if we cannot successfully create a new window GetPort(&mySavedPort); // if we got neither a movie nor an FSSpec passed in, prompt the user for a movie file if ((theMovie == NULL) && (theFSSpec == NULL)) { myFileFilterUPP = QTFrame_GetFileFilterUPP((ProcPtr)QTFrame_FilterFiles); myErr = QTFrame_GetOneFileWithPreview(myNumTypes, (QTFrameTypeListPtr)myTypeList, &myFSSpec, myFileFilterUPP); if (myFileFilterUPP != NULL) DisposeNavObjectFilterUPP(myFileFilterUPP); if (myErr != noErr) goto bail; } // if we got an FSSpec passed in, copy it into myFSSpec if (theFSSpec != NULL) { FSMakeFSSpec(theFSSpec->vRefNum, theFSSpec->parID, theFSSpec->name, &myFSSpec); } // if we got no movie passed in, read one from the specified file if (theMovie == NULL) { // see if the FSSpec picks out an image file; if so, skip the movie-opening code // NOTE: The next 3 lines were commented out to get this working on OS X DP3 myErr = GetGraphicsImporterForFile(&myFSSpec, &myImporter); if (myImporter != NULL) goto gotImageFile; // ideally, we'd like read and write permission, but we'll settle for read-only permission myErr = OpenMovieFile(&myFSSpec, &myRefNum, fsRdWrPerm); if (myErr != noErr) myErr = OpenMovieFile(&myFSSpec, &myRefNum, fsRdPerm); // if we couldn't open the file with even just read-only permission, bail.... if (myErr != noErr) goto bail; // now fetch the first movie from the file myResID = 0; myErr = NewMovieFromFile(&myMovie, myRefNum, &myResID, NULL, newMovieActive, NULL); if (myErr != noErr) goto bail; } else { myMovie = theMovie; } ////////// // // at this point, myMovie is an open movie, but myFSSpec may or may not be a valid FSSpec // ////////// // set the default progress procedure for the movie SetMovieProgressProc(myMovie, (MovieProgressUPP)-1, 0); gotImageFile: // create a new window to display the movie in myWindow = QTFrame_CreateMovieWindow(); if (myWindow == NULL) goto bail; myWindowObject = QTFrame_GetWindowObjectFromWindow(myWindow); if (myWindowObject == NULL) goto bail; // set the window title QTFrame_SetWindowTitleFromFSSpec(myWindow, &myFSSpec, true); // make sure the movie or image file uses the window GWorld if (myMovie != NULL) SetMovieGWorld(myMovie, (CGrafPtr)QTFrame_GetPortFromWindowReference(myWindow), NULL); if (myImporter != NULL) GraphicsImportSetGWorld(myImporter, (CGrafPtr)QTFrame_GetPortFromWindowReference(myWindow), NULL); // create and configure the movie controller myMC = QTFrame_SetupController(myMovie, myWindow, true); // store movie info in the window record (**myWindowObject).fMovie = myMovie; (**myWindowObject).fController = myMC; (**myWindowObject).fGraphicsImporter = myImporter; (**myWindowObject).fFileResID = myResID; (**myWindowObject).fFileRefNum = myRefNum; (**myWindowObject).fCanResizeWindow = true; (**myWindowObject).fIsDirty = false; (**myWindowObject).fIsQTVRMovie = QTUtils_IsQTVRMovie(myMovie); (**myWindowObject).fInstance = NULL; (**myWindowObject).fAppData = NULL; (**myWindowObject).fFileFSSpec = myFSSpec; // do any application-specific window object initialization QTApp_SetupWindowObject(myWindowObject); // size the window to fit the movie and controller QTFrame_SizeWindowToMovie(myWindowObject); // set the movie's play hints to allow dynamic resizing SetMoviePlayHints(myMovie, hintsAllowDynamicResize, hintsAllowDynamicResize); // set the movie's position, if it has a 'WLOC' user data atom myErr = QTUtils_GetWindowPositionFromFile(myMovie, &myPoint); // show the window#if TARGET_OS_MAC MoveWindow(myWindow, myPoint.h, myPoint.v, false); ShowWindow(myWindow); SelectWindow(myWindow); // make it front-most, since it's just been created InvalWindowRect(myWindow, GetWindowPortBounds(myWindow, &myRect));#endif#if TARGET_OS_WIN32 SetWindowPos(myWindow, 0, myPoint.h, myPoint.v, 0, 0, SWP_NOZORDER | SWP_NOSIZE); ShowWindow(myWindow, SW_SHOW); UpdateWindow(myWindow);#endif // if the movie is a streamed movie, then start it playing immediately if (QTUtils_IsStreamedMovie(myMovie)) MCDoAction(myMC, mcActionPrerollAndPlay, (void *)GetMoviePreferredRate(myMovie)); return(true); bail: if (myWindow != NULL)#if TARGET_OS_MAC DisposeWindow(myWindow);#endif#if TARGET_OS_WIN32 SendMessage(ghWndMDIClient, WM_MDIDESTROY, (WPARAM)myWindow, 0L);#endif if (myMC != NULL) DisposeMovieController(myMC); if (myMovie != NULL) DisposeMovie(myMovie); if (myRefNum != 0) CloseMovieFile(myRefNum); if (myImporter != NULL) CloseComponent(myImporter); MacSetPort(mySavedPort); // restore the port that was active when this function was called return(false);}////////////// QTFrame_SetupController// Create and configure the movie controller.////////////MovieController QTFrame_SetupController (Movie theMovie, WindowReference theWindow, Boolean theMoveWindow){#if TARGET_OS_WIN32#pragma unused(theMoveWindow)#endif MovieController myMC = NULL; Rect myRect; WindowObject myWindowObject = NULL; GrafPtr mySavedPort; if ((theMovie == NULL) || (theWindow == NULL)) return(NULL); // get our window specific data myWindowObject = QTFrame_GetWindowObjectFromWindow(theWindow); if (myWindowObject == NULL) return(NULL); GetPort(&mySavedPort); MacSetPort(QTFrame_GetPortFromWindowReference(theWindow)); // resize the movie bounding rect and offset to 0,0 GetMovieBox(theMovie, &myRect); MacOffsetRect(&myRect, -myRect.left, -myRect.top); SetMovieBox(theMovie, &myRect); AlignWindow(QTFrame_GetWindowFromWindowReference(theWindow), false, &myRect, NULL); // create the movie controller myMC = NewMovieController(theMovie, &myRect, mcTopLeftMovie); if (myMC == NULL) return(NULL); // enable the default movie controller editing MCEnableEditing(myMC, true); // suppress movie badge MCDoAction(myMC, mcActionSetUseBadge, (void *)false); // set the initial looping state of the movie QTUtils_SetLoopingStateFromFile(theMovie, myMC); // install an action filter that does any application-specific movie controller action processing MCSetActionFilterWithRefCon(myMC, NewMCActionFilterWithRefConUPP(QTApp_MCActionFilterProc), (long)myWindowObject); // add grow box for the movie controller if ((**myWindowObject).fCanResizeWindow) {#if TARGET_OS_WIN32 RECT myRect; GetWindowRect(GetDesktopWindow(), &myRect); OffsetRect(&myRect, -myRect.left, -myRect.top); QTFrame_ConvertWinToMacRect(&myRect, &gMCResizeBounds);#endif#if TARGET_OS_MAC GetRegionBounds(GetGrayRgn(), &gMCResizeBounds);#endif MCDoAction(myMC, mcActionSetGrowBoxBounds, &gMCResizeBounds); } #if TARGET_OS_MAC if (theMoveWindow) MoveWindow(theWindow, kDefaultWindowX, kDefaultWindowY, false);#endif MacSetPort(mySavedPort); // add any application-specific controller functionality QTApp_SetupController(myMC); return(myMC);}////////////// QTFrame_SaveAsMovieFile// Save the movie in the specified window under a new name.//// Human interface guidelines for "Save As..." dictate that, if the user selects a new file name// for the current movie, then that new file shall become the active one. This means that we need// to close the current movie file and open the new one.////////////OSErr QTFrame_SaveAsMovieFile (WindowReference theWindow){ WindowObject myWindowObject = NULL; Movie myMovie = NULL; FSSpec myFile; Boolean myIsSelected = false; Boolean myIsReplacing = false; StringPtr myPrompt = QTUtils_ConvertCToPascalString(kSavePrompt); StringPtr myFileName = QTUtils_ConvertCToPascalString(kSaveMovieFileName); OSErr myErr = paramErr; // get the window object associated with the specified window myWindowObject = QTFrame_GetWindowObjectFromWindow(theWindow); if (myWindowObject == NULL) goto bail; myMovie = (**myWindowObject).fMovie; if (myMovie == NULL) goto bail; QTFrame_PutFile(myPrompt, myFileName, &myFile, &myIsSelected, &myIsReplacing); if (myIsSelected) { Movie myNewMovie = NULL; MovieController myMC = NULL; //long myFlags; short myRefNum = kInvalidFileRefNum; short myResID = movieInDataForkResID; ////////// // // we have a valid FSSpec for the new movie file; now we want to create a new movie file, // save the movie data into the new file, close the existing movie file, and then swap // the window object data // ////////// // delete any existing file of that name /*if (myIsReplacing) { myErr = DeleteMovieFile(&myFile); if (myErr != noErr) goto bail; } myFlags = createMovieFileDeleteCurFile | createMovieFileDontOpenFile | createMovieFileDontCreateMovie | createMovieFileDontCreateResFile; myErr = CreateMovieFile(&myFile, sigMoviePlayer, smSystemScript, myFlags, NULL, NULL); if (myErr != noErr) goto bail; myErr = OpenMovieFile(&myFile, &myRefNum, fsRdWrPerm); if (myErr != noErr) goto bail; */ // write existing movie's data into new movie file myErr = QTSave_FlattenMovie(myMovie, &myFile); //myErr = AddMovieResource(myMovie, myRefNum, &myResID, myFile.name); if (myErr != noErr) goto bail; myErr = OpenMovieFile(&myFile, &myRefNum, fsRdWrPerm); if (myErr != noErr) goto bail; // get the new movie from the file myErr = NewMovieFromFile(&myNewMovie, myRefNum, &myResID, NULL, newMovieActive, NULL); if (myErr != noErr) goto bail; // create a new movie controller myMC = QTFrame_SetupController(myNewMovie, theWindow, false); ////////// // // if we got to here, we've successfully created a new movie file, and NewMovieFromFile has // returned the new movie to us; so we need to close down the current movie and install the // new movie in its place // ////////// // close the existing movie file if ((**myWindowObject).fFileRefNum != kInvalidFileRefNum) CloseMovieFile((**myWindowObject).fFileRefNum); // dispose of the existing movie controller and movie resource DisposeMovieController((**myWindowObject).fController); DisposeMovie(myMovie); // keep track of the new info (**myWindowObject).fMovie = myNewMovie; (**myWindowObject).fController = myMC; (**myWindowObject).fFileFSSpec = myFile; (**myWindowObject).fFileResID = myResID; (**myWindowObject).fFileRefNum = myRefNum; (**myWindowObject).fIsDirty = false; // make sure the movie uses the window GWorld in all situations SetMovieGWorld(myNewMovie, (CGrafPtr)QTFrame_GetPortFromWindowReference((**myWindowObject).fWindow), NULL); // set the window title QTFrame_SetWindowTitleFromFSSpec(theWindow, &myFile, true); } else { myErr = userCanceledErr; } bail: free(myPrompt); free(myFileName); return(myErr);}////////////// QTFrame_UpdateMovieFile// Update the file (if any) attached to the movie.////////////Boolean QTFrame_UpdateMovieFile (WindowReference theWindow){ WindowObject myWindowObject = NULL; Movie myMovie = NULL; OSErr myErr = noErr; // get the window object associated with the specified window myWindowObject = QTFrame_GetWindowObjectFromWindow(theWindow); if (myWindowObject == NULL) return(false); myMovie = (**myWindowObject).fMovie; if (myMovie == NULL) return(false); // update the current volume setting QTUtils_UpdateMovieVolumeSetting(myMovie); if ((**myWindowObject).fFileRefNum == kInvalidFileRefNum) // brand new movie, so no file attached to it myErr = QTFrame_SaveAsMovieFile(theWindow); else // we have an existing file; just update the movie resource myErr = UpdateMovieResource(myMovie, (**myWindowObject).fFileRefNum, (**myWindowObject).fFileResID, NULL); (**myWindowObject).fIsDirty = false; return(myErr == noErr);}////////////// QTFrame_IdleMovieWindows// Do idle-time processing on all open movie windows.////////////void QTFrame_IdleMovieWindows (void){ WindowReference myWindow = NULL; MovieController myMC = NULL; myWindow = QTFrame_GetFrontMovieWindow(); while (myWindow != NULL) { myMC = QTFrame_GetMCFromWindow(myWindow); if (myMC != NULL) MCIdle(myMC); QTApp_Idle(myWindow); myWindow = QTFrame_GetNextMovieWindow(myWindow); }}////////////// QTFrame_CloseMovieWindows// Close all open movie windows.////////////void QTFrame_CloseMovieWindows (void){#if TARGET_OS_MAC WindowReference myWindow = NULL; WindowReference myNextWindow = NULL; myWindow = QTFrame_GetFrontMovieWindow(); while (myWindow != NULL) { myNextWindow = QTFrame_GetNextMovieWindow(myWindow); QTFrame_DestroyMovieWindow(myWindow); myWindow = myNextWindow; }#endif#if TARGET_OS_WIN32 SendMessage(ghWnd, WM_COMMAND, (WPARAM)IDM_WINDOWCLOSEALL, 0L);#endif}////////////// QTFrame_CreateWindowObject// Create a new window object associated with the specified window.////////////void QTFrame_CreateWindowObject (WindowReference theWindow){ WindowObject myWindowObject = NULL; if (theWindow == NULL) return; // allocate space for a window object record and fill in some of its fields myWindowObject = (WindowObject)NewHandleClear(sizeof(WindowObjectRecord)); if (myWindowObject != NULL) { (**myWindowObject).fWindow = theWindow; (**myWindowObject).fController = NULL; (**myWindowObject).fObjectType = kApplicationSignature; (**myWindowObject).fCanResizeWindow = true; (**myWindowObject).fInstance = NULL; (**myWindowObject).fIsDirty = false; (**myWindowObject).fAppData = NULL; } // associate myWindowObject (which may be NULL) with the window#if TARGET_OS_MAC SetWRefCon(theWindow, (long)myWindowObject);#endif#if TARGET_OS_WIN32 SetWindowLong(theWindow, GWL_USERDATA, (LPARAM)myWindowObject); // associate a GrafPort with this window CreatePortAssociation(theWindow, NULL, 0L);#endif // set the current port to the new window MacSetPort(QTFrame_GetPortFromWindowReference(theWindow));}////////////// QTFrame_CloseWindowObject// Close a window object and any associated data.////////////void QTFrame_CloseWindowObject (WindowObject theWindowObject){ if (theWindowObject == NULL) return; // close the movie file if ((**theWindowObject).fFileRefNum != kInvalidFileRefNum) { CloseMovieFile((**theWindowObject).fFileRefNum); (**theWindowObject).fFileRefNum = kInvalidFileRefNum; } // dispose movie controller and movie if ((**theWindowObject).fController != NULL) { MCSetActionFilterWithRefCon((**theWindowObject).fController, NULL, 0L); DisposeMovieController((**theWindowObject).fController); (**theWindowObject).fController = NULL; } if ((**theWindowObject).fMovie != NULL) { DisposeMovie((**theWindowObject).fMovie); (**theWindowObject).fMovie = NULL; } // close the graphics importer, if any if ((**theWindowObject).fGraphicsImporter != NULL) { CloseComponent((**theWindowObject).fGraphicsImporter); (**theWindowObject).fGraphicsImporter = NULL; } // do any application-specific window clean-up QTApp_RemoveWindowObject(theWindowObject); DisposeHandle((Handle)theWindowObject);}/////////////////////////////////////////////////////////////////////////////////////////////////////////////// Window-walking utilities.//// Use these functions to iterate through all windows or movie windows belonging to the application./////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// QTFrame_GetFrontAppWindow// Return a reference to the frontmost application window (whether or not it's a movie window).////////////WindowReference QTFrame_GetFrontAppWindow (void){#if TARGET_OS_MAC return(FrontWindow());#endif#if TARGET_OS_WIN32 return(GetWindow(ghWnd, GW_HWNDFIRST));#endif}////////////// QTFrame_GetNextAppWindow// Return a reference to the next application window (whether or not it's a movie window).////////////WindowReference QTFrame_GetNextAppWindow (WindowReference theWindow){#if TARGET_OS_MAC return(theWindow == NULL ? NULL : GetNextWindow(theWindow));#endif#if TARGET_OS_WIN32 return(GetWindow(theWindow, GW_HWNDNEXT));#endif}////////////// QTFrame_GetFrontMovieWindow// Return a reference to the frontmost movie window.////////////WindowReference QTFrame_GetFrontMovieWindow (void){ WindowReference myWindow;#if TARGET_OS_MAC myWindow = QTFrame_GetFrontAppWindow(); while ((myWindow != NULL) && (QTFrame_GetWindowObjectFromWindow(myWindow) == NULL)) myWindow = QTFrame_GetNextAppWindow(myWindow);#endif#if TARGET_OS_WIN32 myWindow = (HWND)SendMessage(ghWndMDIClient, WM_MDIGETACTIVE, 0, 0L);#endif return(myWindow);}////////////// QTFrame_GetNextMovieWindow// Return a reference to the next movie window.////////////WindowReference QTFrame_GetNextMovieWindow (WindowReference theWindow){ WindowReference myWindow;#if TARGET_OS_MAC myWindow = QTFrame_GetNextAppWindow(theWindow); while ((myWindow != NULL) && (QTFrame_GetWindowObjectFromWindow(myWindow) == NULL)) myWindow = QTFrame_GetNextAppWindow(myWindow);#endif#if TARGET_OS_WIN32 myWindow = GetWindow(theWindow, GW_HWNDNEXT);#endif return(myWindow);}/////////////////////////////////////////////////////////////////////////////////////////////////////////////// Data-retrieval utilities.//// Use the following functions to retrieve the window object, the application-specific data, or the movie// controller that is associated with a window./////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// QTFrame_GetWindowObjectFromFrontWindow// Get the window object (if any) associated with the front window.////////////WindowObject QTFrame_GetWindowObjectFromFrontWindow (void){ return(QTFrame_GetWindowObjectFromWindow(QTFrame_GetFrontMovieWindow()));}////////////// QTFrame_GetWindowObjectFromWindow// Get the window object (if any) associated with the specified window.////////////WindowObject QTFrame_GetWindowObjectFromWindow (WindowReference theWindow){ WindowObject myWindowObject = NULL; if (!QTFrame_IsAppWindow(theWindow)) return(NULL); #if TARGET_OS_MAC myWindowObject = (WindowObject)GetWRefCon(theWindow);#endif#if TARGET_OS_WIN32 myWindowObject = (WindowObject)GetWindowLong(theWindow, GWL_USERDATA);#endif // make sure this is a window object if (!QTFrame_IsWindowObjectOurs(myWindowObject)) return(NULL); return(myWindowObject);}////////////// QTFrame_GetMCFromFrontWindow// Get the movie controller (if any) associated with the front window.////////////MovieController QTFrame_GetMCFromFrontWindow (void){ return(QTFrame_GetMCFromWindow(QTFrame_GetFrontMovieWindow()));}////////////// QTFrame_GetMCFromWindow// Get the movie controller (if any) associated with the specified window.////////////MovieController QTFrame_GetMCFromWindow (WindowReference theWindow){ MovieController myMC = NULL; WindowObject myWindowObject = NULL; myWindowObject = QTFrame_GetWindowObjectFromWindow(theWindow); if (myWindowObject != NULL) myMC = (**myWindowObject).fController; return(myMC);}////////////// QTFrame_GetQTVRInstanceFromFrontWindow// Get the QTVRInstance (if any) associated with the front window.////////////QTVRInstance QTFrame_GetQTVRInstanceFromFrontWindow (void){ return(QTFrame_GetQTVRInstanceFromWindow(QTFrame_GetFrontMovieWindow()));}////////////// QTFrame_GetQTVRInstanceFromWindow// Get the QTVRInstance (if any) associated with the specified window.////////////QTVRInstance QTFrame_GetQTVRInstanceFromWindow (WindowReference theWindow){ QTVRInstance myInstance = NULL; WindowObject myWindowObject = NULL; myWindowObject = QTFrame_GetWindowObjectFromWindow(theWindow); if (myWindowObject != NULL) myInstance = (**myWindowObject).fInstance; return(myInstance);}////////////// QTFrame_GetAppDataFromFrontWindow// Get the application-specific data associated with the front window.////////////Handle QTFrame_GetAppDataFromFrontWindow (void){ return(QTFrame_GetAppDataFromWindow(QTFrame_GetFrontMovieWindow()));}////////////// QTFrame_GetAppDataFromWindow// Get the application-specific data associated with the specified window.////////////Handle QTFrame_GetAppDataFromWindow (WindowReference theWindow){ WindowObject myWindowObject = NULL; myWindowObject = QTFrame_GetWindowObjectFromWindow(theWindow); if (myWindowObject == NULL) return(NULL); return(QTFrame_GetAppDataFromWindowObject(myWindowObject));}////////////// QTFrame_GetAppDataFromWindowObject// Get the application-specific data associated with the specified window object.////////////Handle QTFrame_GetAppDataFromWindowObject (WindowObject theWindowObject){ // make sure this is a window object belonging to our application if (!QTFrame_IsWindowObjectOurs(theWindowObject)) return(NULL); return((**theWindowObject).fAppData);}////////////// QTFrame_IsWindowObjectOurs// Does the specified window object belong to our application?////////////Boolean QTFrame_IsWindowObjectOurs (WindowObject theWindowObject){ OSType myType = 0L; if ((theWindowObject == NULL) || (*theWindowObject == NULL)) return(false); myType = (**theWindowObject).fObjectType; return(myType == kApplicationSignature);}////////////// QTFrame_IsAppWindow// Does the specified window belong to our application?////////////Boolean QTFrame_IsAppWindow (WindowReference theWindow){ if (theWindow == NULL) return(false);#if TARGET_OS_MAC return(GetWindowKind(theWindow) >= kApplicationWindowKind);#endif#if TARGET_OS_WIN32 return(true);#endif}////////////// QTFrame_IsDocWindow// Is the specified window a document window (having a WindowObject refcon)?////////////Boolean QTFrame_IsDocWindow (WindowReference theWindow){ if (theWindow == NULL) return(false);#if TARGET_OS_MAC return(GetWindowKind(theWindow) >= kApplicationWindowKind);#endif#if TARGET_OS_WIN32 return(true);#endif}////////////// QTFrame_ActivateController// Activate or deactivate the movie controller in the specified window.////////////void QTFrame_ActivateController (WindowReference theWindow, Boolean IsActive){ WindowObject myWindowObject = NULL; MovieController myMC = NULL; GrafPtr mySavedPort = NULL; if (theWindow == NULL) return; GetPort(&mySavedPort); MacSetPort(QTFrame_GetPortFromWindowReference(theWindow)); // get the window object associated with the specified window myWindowObject = QTFrame_GetWindowObjectFromWindow(theWindow); if (myWindowObject != NULL) { myMC = (**myWindowObject).fController; if (myMC != NULL) MCActivate(myMC, QTFrame_GetWindowFromWindowReference(theWindow), IsActive); } MacSetPort(mySavedPort);}/////////////////////////////////////////////////////////////////////////////////////////////////////////////// Miscellaneous utilities.//// Use the following functions to play beeps, manipulate menus, and do other miscellaneous things./////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// QTFrame_Beep// Beep.////////////void QTFrame_Beep (void){#if TARGET_OS_MAC SysBeep(30);#endif#if TARGET_OS_WIN32 MessageBeep(MB_OK);#endif}////////////// QTFrame_SetMenuState// Set the enabled/disabled state of a menu.//// On Windows, the theMenuItem parameter must be the (0-based) index in the menu bar of the// desired pull-down menu.////////////void QTFrame_SetMenuState (MenuReference theMenu, UInt16 theMenuItem, short theState){#if TARGET_OS_MAC#pragma unused(theMenuItem) QTFrame_SetMenuItemState(theMenu, 0, theState); // menu item == 0 means the entire menu#endif#if TARGET_OS_WIN32 QTFrame_SetMenuItemState(theMenu, theMenuItem, theState | MF_BYPOSITION);#endif}////////////// QTFrame_SetMenuItemState// Set the enabled/disabled state of a menu item.//// When running under MacOS 8.5.1, EnableMenuItem and DisableMenuItem seem to do nasty things// to the keyboard equivalents associated with a menu; so we'll work around that problem here.////////////void QTFrame_SetMenuItemState (MenuReference theMenu, UInt16 theMenuItem, short theState){#if TARGET_OS_MAC UInt8 myModifiers; // get the existing menu item modifiers GetMenuItemModifiers(theMenu, MENU_ITEM(theMenuItem), &myModifiers); if (theState == kEnableMenuItem) EnableMenuItem(theMenu, MENU_ITEM(theMenuItem)); else DisableMenuItem(theMenu, MENU_ITEM(theMenuItem)); // restore the previous menu item modifiers SetMenuItemModifiers(theMenu, MENU_ITEM(theMenuItem), myModifiers);#endif#if TARGET_OS_WIN32 EnableMenuItem(theMenu, (UINT)theMenuItem, (UINT)theState);#endif}////////////// QTFrame_SetMenuItemLabel// Set the label (that is, the text) of a menu item.////////////void QTFrame_SetMenuItemLabel (MenuReference theMenu, UInt16 theMenuItem, char *theText){#if TARGET_OS_MAC Str255 myString; short mySIndex, myTIndex; // we need to remove the '&' character while converting to a Pascal string mySIndex = 1; for (myTIndex = 0; myTIndex < strlen(theText); myTIndex++) { if (theText[myTIndex] != '&') { myString[mySIndex] = theText[myTIndex]; mySIndex++; } } myString[0] = mySIndex - 1; SetMenuItemText(theMenu, MENU_ITEM(theMenuItem), myString);#endif#if TARGET_OS_WIN32 UINT myState; // make sure that we preserve the current menu state myState = GetMenuState(theMenu, (UINT)theMenuItem, MF_BYCOMMAND); ModifyMenu(theMenu, (UINT)theMenuItem, MF_BYCOMMAND | MF_STRING | myState, (UINT)theMenuItem, (LPSTR)theText);#endif}////////////// QTFrame_SetMenuItemCheck// Set the check mark state state of a menu item.////////////void QTFrame_SetMenuItemCheck (MenuReference theMenu, UInt16 theMenuItem, Boolean theState){#if TARGET_OS_MAC MacCheckMenuItem(theMenu, MENU_ITEM(theMenuItem), theState);#endif#if TARGET_OS_WIN32 CheckMenuItem(theMenu, (UINT)theMenuItem, theState ? MF_CHECKED : MF_UNCHECKED);#endif}////////////// QTFrame_GetPortFromWindowReference // Return the graphics port associated with a window reference.////////////GrafPtr QTFrame_GetPortFromWindowReference (WindowReference theWindow){#if TARGET_OS_MAC return((GrafPtr)GetWindowPort(theWindow));#endif#if TARGET_OS_WIN32 return(GetNativeWindowPort(theWindow));#endif}////////////// QTFrame_GetWindowReferenceFromPort// Return the window reference associated with a graphics port.////////////WindowReference QTFrame_GetWindowReferenceFromPort (GrafPtr thePort){#if TARGET_OS_MAC return((WindowReference)GetWindowFromPort((CGrafPtr)thePort));#endif#if TARGET_OS_WIN32 return((WindowReference)GetPortNativeWindow(thePort));#endif}////////////// QTFrame_GetWindowFromWindowReference// Return the Macintosh window associated with a window reference.////////////WindowPtr QTFrame_GetWindowFromWindowReference (WindowReference theWindow){#if TARGET_OS_MAC return((WindowPtr)theWindow);#endif#if TARGET_OS_WIN32 return((WindowPtr)GetNativeWindowPort(theWindow));#endif}///////////// QTFrame_GetWindowWidth// Return the width of the specified window.////////////short QTFrame_GetWindowWidth (WindowReference theWindow){#if TARGET_OS_MAC Rect myRect = {0, 0, 0, 0}; if (theWindow != NULL) GetWindowPortBounds(theWindow, &myRect);#endif#if TARGET_OS_WIN32 RECT myRect = {0L, 0L, 0L, 0L}; if (theWindow != NULL) GetWindowRect(theWindow, &myRect);#endif return((short)(myRect.right - myRect.left));}////////////// QTFrame_SetWindowTitleFromFSSpec// Set the title of the specified window, using the name contained in the specified FSSpec.////////////void QTFrame_SetWindowTitleFromFSSpec (WindowReference theWindow, FSSpecPtr theFSSpecPtr, Boolean theAddToRecentDocs){#if TARGET_OS_MAC#pragma unused(theAddToRecentDocs) SetWTitle(theWindow, theFSSpecPtr->name);#endif#if TARGET_OS_WIN32 char *myTempName; char myWindName[MAX_PATH]; // get the full pathname contained in the FSSpec (which is a Str255) myTempName = QTUtils_ConvertPascalToCString(theFSSpecPtr->name); // get the movie file name from the full pathname QTFrame_GetDisplayName(myTempName, myWindName); // set the window title SetWindowText(theWindow, myWindName); // add this document to the Documents list, if so instructed if (theAddToRecentDocs) SHAddToRecentDocs(SHARD_PATH, myTempName); free(myTempName);#endif}////////////// QTFrame_SizeWindowToMovie// Set the window size to exactly fit the movie and controller (if visible).////////////void QTFrame_SizeWindowToMovie (WindowObject theWindowObject){ Rect myMovieBounds; Movie myMovie = NULL; MovieController myMC = NULL; GraphicsImportComponent myImporter = NULL;#if TARGET_OS_WIN32 gWeAreSizingWindow = true;#endif if (theWindowObject == NULL) goto bail; myMovie = (**theWindowObject).fMovie; myMC = (**theWindowObject).fController; myImporter = (**theWindowObject).fGraphicsImporter; if (myImporter != NULL) { GraphicsImportGetBoundsRect(myImporter, &myMovieBounds); goto gotBounds; } if (myMovie == NULL) return; GetMovieBox(myMovie, &myMovieBounds); if (myMC != NULL) if (MCGetVisible(myMC)) MCGetControllerBoundsRect(myMC, &myMovieBounds); // make sure that the movie has a non-zero width; // a zero height is okay (for example, with a music movie with no controller bar) if (myMovieBounds.right - myMovieBounds.left == 0) { myMovieBounds.left = 0; myMovieBounds.right = QTFrame_GetWindowWidth((**theWindowObject).fWindow); }gotBounds: SizeWindow(QTFrame_GetWindowFromWindowReference((**theWindowObject).fWindow), myMovieBounds.right - myMovieBounds.left, myMovieBounds.bottom - myMovieBounds.top, true);bail: #if TARGET_OS_WIN32 gWeAreSizingWindow = false;#endif return;}/////////////////////////////////////////////////////////////////////////////////////////////////////////////// File-opening and -saving utilities.//// The functions are meant to provide replacements for StandardGetFilePreview and StandardPutFile, which// are not supported under Carbon. However, Navigation Services is not (yet, at any rate) supported under// Windows, so we still need to call through to the Standard File Package.//// The Navigation Services portion of this code is based selectively on the file NavigationServicesSupport.c// by Yan Arrouye and on the developer documentation "Programming With Navigation Services 1.1". The code that// determines which files can be opened by QuickTime is based on code by Sam Bushell in CarbonMovieEditor.c./////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// QTFrame_PutFile// Save a file under the specified name. Return Boolean values indicating whether the user selected a file// and whether the selected file is replacing an existing file.////////////OSErr QTFrame_PutFile (ConstStr255Param thePrompt, ConstStr255Param theFileName, FSSpecPtr theFSSpecPtr, Boolean *theIsSelected, Boolean *theIsReplacing){#if TARGET_OS_WIN32 StandardFileReply myReply;#endif#if TARGET_OS_MAC NavReplyRecord myReply; NavDialogOptions myDialogOptions; NavEventUPP myEventUPP = NewNavEventUPP(QTFrame_HandleNavEvent);#endif OSErr myErr = noErr; if ((theFSSpecPtr == NULL) || (theIsSelected == NULL) || (theIsReplacing == NULL)) return(paramErr); // deactivate any frontmost movie window QTFrame_ActivateController(QTFrame_GetFrontMovieWindow(), false); // assume we are not replacing an existing file *theIsReplacing = false; *theIsSelected = false; #if TARGET_OS_WIN32 StandardPutFile(thePrompt, theFileName, &myReply); *theFSSpecPtr = myReply.sfFile; *theIsSelected = myReply.sfGood; if (myReply.sfGood) *theIsReplacing = myReply.sfReplacing;#endif#if TARGET_OS_MAC // specify the options for the dialog box NavGetDefaultDialogOptions(&myDialogOptions); myDialogOptions.dialogOptionFlags += kNavNoTypePopup; myDialogOptions.dialogOptionFlags += kNavDontAutoTranslate; BlockMoveData(theFileName, myDialogOptions.savedFileName, theFileName[0] + 1); BlockMoveData(gAppName, myDialogOptions.clientName, gAppName[0] + 1); BlockMoveData(thePrompt, myDialogOptions.message, thePrompt[0] + 1); // prompt the user for a file myErr = NavPutFile(NULL, &myReply, &myDialogOptions, myEventUPP, MovieFileType, sigMoviePlayer, 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); *theIsSelected = myReply.validRecord; if (myReply.validRecord) { *theIsReplacing = myReply.replacing; } NavDisposeReply(&myReply); } DisposeNavEventUPP(myEventUPP);#endif return(myErr);} ////////////// QTFrame_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 QTFrame_GetOneFileWithPreview (short theNumTypes, QTFrameTypeListPtr 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(QTFrame_HandleNavEvent);#endif OSErr myErr = noErr; if (theFSSpecPtr == NULL) return(paramErr); // deactivate any frontmost movie window QTFrame_ActivateController(QTFrame_GetFrontMovieWindow(), false);#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(gAppName, myDialogOptions.clientName, gAppName[0] + 1); // create a handle to an 'open' resource myOpenList = (NavTypeListHandle)QTFrame_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);}////////////// QTFrame_HandleNavEvent// A callback procedure that handles events while a Navigation Service dialog box is displayed.////////////PASCAL_RTN void QTFrame_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 QTFrame_HandleEvent(theCallBackParms->eventData.eventDataParms.event);#endif break; case nullEvent: QTFrame_IdleMovieWindows(); break; } }}////////////// QTFrame_CreateOpenHandle// Return a handle to a dynamically-created 'open' resource.////////////Handle QTFrame_CreateOpenHandle (OSType theApplicationSignature, short theNumTypes, QTFrameTypeListPtr theTypeList){ Handle myHandle = NULL; 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);}////////////// QTFrame_GetFileFilterUPP// Return a UPP for the specified file-selection filter function.//// The caller is responsible for disposing of the UPP returned by this function (by calling DisposeRoutineDescriptor).////////////QTFrameFileFilterUPP QTFrame_GetFileFilterUPP (ProcPtr theFileFilterProc){#if TARGET_OS_MAC return(NewNavObjectFilterUPP((NavObjectFilterProcPtr)theFileFilterProc));#endif#if TARGET_OS_WIN32 return(NewFileFilterProc(theFileFilterProc));#endif}////////////// QTFrame_FilterFiles// Filter files for a file-opening dialog box.//// The default behavior here is to accept all files that can be opened by QuickTime, whether directly// or using a movie importer or a graphics importer.////////////#if TARGET_OS_MACPASCAL_RTN Boolean QTFrame_FilterFiles (AEDesc *theItem, void *theInfo, void *theCallBackUD, NavFilterModes theFilterMode){#pragma unused(theCallBackUD, theFilterMode) NavFileOrFolderInfo *myInfo = (NavFileOrFolderInfo *)theInfo; if (gValidFileTypes == NULL) QTFrame_BuildFileTypeList(); if (theItem->descriptorType == typeFSS) { if (!myInfo->isFolder) { OSType myType = myInfo->fileAndFolder.fileInfo.finderInfo.fdType; short myCount; short myIndex; // see whether the file type is in the list of file types that our application can open myCount = GetPtrSize((Ptr)gValidFileTypes) / sizeof(OSType); for (myIndex = 0; myIndex < myCount; myIndex++) if (myType == gValidFileTypes[myIndex]) return(true); // if we got to here, it's a file we cannot open return(false); } } // if we got to here, it's a folder or non-HFS object return(true);}#endif#if TARGET_OS_WIN32PASCAL_RTN Boolean QTFrame_FilterFiles (CInfoPBPtr thePBPtr){#pragma unused(thePBPtr) return(false);}#endif////////////// QTFrame_BuildFileTypeList// Build a list of file types that QuickTime can open.////////////OSErr QTFrame_BuildFileTypeList (void){ long myIndex = 0; OSErr myErr = noErr; // if we've already built the list, just return if (gValidFileTypes != NULL) return(myErr); // allocate a block of memory to hold a preset number of file types; we'll resize this block // while building the list if we need more room; we always resize it after building the list, // to truncate it to the exact size required gValidFileTypes = (OSType *)NewPtrClear(sizeof(OSType) * kDefaultFileTypeCount); if (gValidFileTypes == NULL) return(memFullErr); // we can open any files of type kQTFileTypeMovie gValidFileTypes[myIndex++] = kQTFileTypeMovie; // we can open any files for which QuickTime supplies a movie importer component QTFrame_AddComponentFileTypes(MovieImportType, &myIndex); // we can open any files for which QuickTime supplies a graphics importer component QTFrame_AddComponentFileTypes(GraphicsImporterComponentType, &myIndex); // resize the pointer to hold the exact number of valid file types SetPtrSize((Ptr)gValidFileTypes, myIndex * sizeof(OSType)); myErr = MemError(); return(myErr);}////////////// QTFrame_AddComponentFileTypes// Add all subtypes of the specified component type to the global list of file types.////////////static void QTFrame_AddComponentFileTypes (OSType theComponentType, long *theNextIndex){ ComponentDescription myFindCompDesc = {0, 0, 0, 0, 0}; ComponentDescription myInfoCompDesc = {0, 0, 0, 0, 0}; Component myComponent = NULL; myFindCompDesc.componentType = theComponentType; myFindCompDesc.componentFlags = 0; myFindCompDesc.componentFlagsMask = movieImportSubTypeIsFileExtension; myComponent = FindNextComponent(myComponent, &myFindCompDesc); while (myComponent != NULL) { GetComponentInfo(myComponent, &myInfoCompDesc, NULL, NULL, NULL); gValidFileTypes[*theNextIndex] = myInfoCompDesc.componentSubType; *theNextIndex += 1; // resize the block of file types, if we are about to reach the limit if (*theNextIndex == GetPtrSize((Ptr)gValidFileTypes) / (long)sizeof(OSType)) { SetPtrSize((Ptr)gValidFileTypes, GetPtrSize((Ptr)gValidFileTypes) + (kDefaultFileTypeCount * sizeof(OSType))); if (MemError() != noErr) return; } myComponent = FindNextComponent(myComponent, &myFindCompDesc); }}#if TARGET_OS_WIN32////////////// QTFrame_ConvertMacToWinRect// Convert a Macintosh Rect structure into a Windows RECT structure.////////////void QTFrame_ConvertMacToWinRect (Rect *theMacRect, RECT *theWinRect){ theWinRect->top = (long)theMacRect->top; theWinRect->left = (long)theMacRect->left; theWinRect->bottom = (long)theMacRect->bottom; theWinRect->right = (long)theMacRect->right;}////////////// QTFrame_ConvertWinToMacRect// Convert a Windows RECT structure into a Macintosh Rect structure.////////////void QTFrame_ConvertWinToMacRect (RECT *theWinRect, Rect *theMacRect){ theMacRect->top = (short)theWinRect->top; theMacRect->left = (short)theWinRect->left; theMacRect->bottom = (short)theWinRect->bottom; theMacRect->right = (short)theWinRect->right;}#endif</pre>
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