comparison: gtk/plugins/crazychat/Utilities.c
gtk/plugins/crazychat/Utilities.c
- changeset 14253
- b63ebf84c42b
- parent 11218
- 886e6862af56
- child 20470
- 77693555855f
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| 14252:d10dda2777a9 | 14253:b63ebf84c42b |
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| 1 /* | |
| 2 File: Utilities.c | |
| 3 | |
| 4 Description: Miscellaneous Utility routines. | |
| 5 | |
| 6 Copyright: © Copyright 2003 Apple Computer, Inc. All rights reserved. | |
| 7 | |
| 8 Disclaimer: IMPORTANT: This Apple software is supplied to you by Apple Computer, Inc. | |
| 9 ("Apple") in consideration of your agreement to the following terms, and your | |
| 10 use, installation, modification or redistribution of this Apple software | |
| 11 constitutes acceptance of these terms. If you do not agree with these terms, | |
| 12 please do not use, install, modify or redistribute this Apple software. | |
| 13 | |
| 14 In consideration of your agreement to abide by the following terms, and subject | |
| 15 to these terms, Apple grants you a personal, non-exclusive license, under Apple’s | |
| 16 copyrights in this original Apple software (the "Apple Software"), to use, | |
| 17 reproduce, modify and redistribute the Apple Software, with or without | |
| 18 modifications, in source and/or binary forms; provided that if you redistribute | |
| 19 the Apple Software in its entirety and without modifications, you must retain | |
| 20 this notice and the following text and disclaimers in all such redistributions of | |
| 21 the Apple Software. Neither the name, trademarks, service marks or logos of | |
| 22 Apple Computer, Inc. may be used to endorse or promote products derived from the | |
| 23 Apple Software without specific prior written permission from Apple. Except as | |
| 24 expressly stated in this notice, no other rights or licenses, express or implied, | |
| 25 are granted by Apple herein, including but not limited to any patent rights that | |
| 26 may be infringed by your derivative works or by other works in which the Apple | |
| 27 Software may be incorporated. | |
| 28 | |
| 29 The Apple Software is provided by Apple on an "AS IS" basis. APPLE MAKES NO | |
| 30 WARRANTIES, EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION THE IMPLIED | |
| 31 WARRANTIES OF NON-INFRINGEMENT, MERCHANTABILITY AND FITNESS FOR A PARTICULAR | |
| 32 PURPOSE, REGARDING THE APPLE SOFTWARE OR ITS USE AND OPERATION ALONE OR IN | |
| 33 COMBINATION WITH YOUR PRODUCTS. | |
| 34 | |
| 35 IN NO EVENT SHALL APPLE BE LIABLE FOR ANY SPECIAL, INDIRECT, INCIDENTAL OR | |
| 36 CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE | |
| 37 GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |
| 38 ARISING IN ANY WAY OUT OF THE USE, REPRODUCTION, MODIFICATION AND/OR DISTRIBUTION | |
| 39 OF THE APPLE SOFTWARE, HOWEVER CAUSED AND WHETHER UNDER THEORY OF CONTRACT, TORT | |
| 40 (INCLUDING NEGLIGENCE), STRICT LIABILITY OR OTHERWISE, EVEN IF APPLE HAS BEEN | |
| 41 ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
| 42 | |
| 43 Change History (most recent first): | |
| 44 | |
| 45 */ | |
| 46 | |
| 47 #ifndef __UTILITIES__ | |
| 48 #include "Utilities.h" | |
| 49 #endif | |
| 50 | |
| 51 const OSType kApplicationSignature = FOUR_CHAR_CODE('cvmj'); | |
| 52 const ResType kOpenResourceType = FOUR_CHAR_CODE('open'); | |
| 53 const StringPtr kApplicationName = "\pYourAppNameHere"; | |
| 54 | |
| 55 ////////// | |
| 56 // | |
| 57 // GetOneFileWithPreview | |
| 58 // Display the appropriate file-opening dialog box, with an optional QuickTime preview pane. If the user | |
| 59 // selects a file, return information about it using the theFSSpecPtr parameter. | |
| 60 // | |
| 61 // Note that both StandardGetFilePreview and NavGetFile use the function specified by theFilterProc as a | |
| 62 // file filter. This framework always passes NULL in the theFilterProc parameter. If you use this function | |
| 63 // in your own code, keep in mind that on Windows the function specifier must be of type FileFilterUPP and | |
| 64 // on Macintosh it must be of type NavObjectFilterUPP. (You can use the QTFrame_GetFileFilterUPP to create | |
| 65 // a function specifier of the appropriate type.) Also keep in mind that Navigation Services expects a file | |
| 66 // filter function to return true if a file is to be displayed, while the Standard File Package expects the | |
| 67 // filter to return false if a file is to be displayed. | |
| 68 // | |
| 69 ////////// | |
| 70 | |
| 71 OSErr GetOneFileWithPreview (short theNumTypes, TypeListPtr theTypeList, FSSpecPtr theFSSpecPtr, void *theFilterProc) | |
| 72 { | |
| 73 | |
| 74 #if TARGET_OS_WIN32 | |
| 75 StandardFileReply myReply; | |
| 76 #endif | |
| 77 #if TARGET_OS_MAC | |
| 78 NavReplyRecord myReply; | |
| 79 NavDialogOptions myDialogOptions; | |
| 80 NavTypeListHandle myOpenList = NULL; | |
| 81 NavEventUPP myEventUPP = NewNavEventUPP(HandleNavEvent); | |
| 82 #endif | |
| 83 OSErr myErr = noErr; | |
| 84 | |
| 85 if (theFSSpecPtr == NULL) | |
| 86 return(paramErr); | |
| 87 | |
| 88 #if TARGET_OS_WIN32 | |
| 89 // prompt the user for a file | |
| 90 StandardGetFilePreview((FileFilterUPP)theFilterProc, theNumTypes, (ConstSFTypeListPtr)theTypeList, &myReply); | |
| 91 if (!myReply.sfGood) | |
| 92 return(userCanceledErr); | |
| 93 | |
| 94 // make an FSSpec record | |
| 95 myErr = FSMakeFSSpec(myReply.sfFile.vRefNum, myReply.sfFile.parID, myReply.sfFile.name, theFSSpecPtr); | |
| 96 #endif | |
| 97 | |
| 98 #if TARGET_OS_MAC | |
| 99 // specify the options for the dialog box | |
| 100 NavGetDefaultDialogOptions(&myDialogOptions); | |
| 101 myDialogOptions.dialogOptionFlags -= kNavNoTypePopup; | |
| 102 myDialogOptions.dialogOptionFlags -= kNavAllowMultipleFiles; | |
| 103 BlockMoveData(kApplicationName, myDialogOptions.clientName, kApplicationName[0] + 1); | |
| 104 | |
| 105 // create a handle to an 'open' resource | |
| 106 myOpenList = (NavTypeListHandle)CreateOpenHandle(kApplicationSignature, theNumTypes, theTypeList); | |
| 107 if (myOpenList != NULL) | |
| 108 HLock((Handle)myOpenList); | |
| 109 | |
| 110 // prompt the user for a file | |
| 111 myErr = NavGetFile(NULL, &myReply, &myDialogOptions, myEventUPP, NULL, (NavObjectFilterUPP)theFilterProc, myOpenList, NULL); | |
| 112 if ((myErr == noErr) && myReply.validRecord) { | |
| 113 AEKeyword myKeyword; | |
| 114 DescType myActualType; | |
| 115 Size myActualSize = 0; | |
| 116 | |
| 117 // get the FSSpec for the selected file | |
| 118 if (theFSSpecPtr != NULL) | |
| 119 myErr = AEGetNthPtr(&(myReply.selection), 1, typeFSS, &myKeyword, &myActualType, theFSSpecPtr, sizeof(FSSpec), &myActualSize); | |
| 120 | |
| 121 NavDisposeReply(&myReply); | |
| 122 } | |
| 123 | |
| 124 if (myOpenList != NULL) { | |
| 125 HUnlock((Handle)myOpenList); | |
| 126 DisposeHandle((Handle)myOpenList); | |
| 127 } | |
| 128 | |
| 129 DisposeNavEventUPP(myEventUPP); | |
| 130 #endif | |
| 131 | |
| 132 return(myErr); | |
| 133 } | |
| 134 | |
| 135 ////////// | |
| 136 // | |
| 137 // CreateOpenHandle | |
| 138 // Get the 'open' resource or dynamically create a NavTypeListHandle. | |
| 139 // | |
| 140 ////////// | |
| 141 | |
| 142 Handle CreateOpenHandle (OSType theApplicationSignature, short theNumTypes, TypeListPtr theTypeList) | |
| 143 { | |
| 144 Handle myHandle = NULL; | |
| 145 | |
| 146 // see if we have an 'open' resource... | |
| 147 myHandle = Get1Resource('open', 128); | |
| 148 if ( myHandle != NULL && ResError() == noErr ) { | |
| 149 DetachResource( myHandle ); | |
| 150 return myHandle; | |
| 151 } else { | |
| 152 myHandle = NULL; | |
| 153 } | |
| 154 | |
| 155 // nope, use the passed in types and dynamically create the NavTypeList | |
| 156 if (theTypeList == NULL) | |
| 157 return myHandle; | |
| 158 | |
| 159 if (theNumTypes > 0) { | |
| 160 myHandle = NewHandle(sizeof(NavTypeList) + (theNumTypes * sizeof(OSType))); | |
| 161 if (myHandle != NULL) { | |
| 162 NavTypeListHandle myOpenResHandle = (NavTypeListHandle)myHandle; | |
| 163 | |
| 164 (*myOpenResHandle)->componentSignature = theApplicationSignature; | |
| 165 (*myOpenResHandle)->osTypeCount = theNumTypes; | |
| 166 BlockMoveData(theTypeList, (*myOpenResHandle)->osType, theNumTypes * sizeof(OSType)); | |
| 167 } | |
| 168 } | |
| 169 | |
| 170 return myHandle; | |
| 171 } | |
| 172 | |
| 173 ////////// | |
| 174 // | |
| 175 // HandleNavEvent | |
| 176 // A callback procedure that handles events while a Navigation Service dialog box is displayed. | |
| 177 // | |
| 178 ////////// | |
| 179 | |
| 180 PASCAL_RTN void HandleNavEvent(NavEventCallbackMessage theCallBackSelector, NavCBRecPtr theCallBackParms, void *theCallBackUD) | |
| 181 { | |
| 182 #pragma unused(theCallBackUD) | |
| 183 | |
| 184 if (theCallBackSelector == kNavCBEvent) { | |
| 185 switch (theCallBackParms->eventData.eventDataParms.event->what) { | |
| 186 case updateEvt: | |
| 187 #if TARGET_OS_MAC | |
| 188 // Handle Update Event | |
| 189 #endif | |
| 190 break; | |
| 191 case nullEvent: | |
| 192 // Handle Null Event | |
| 193 break; | |
| 194 } | |
| 195 } | |
| 196 } | |
| 197 | |
| 198 ////////// | |
| 199 // | |
| 200 // PutFile | |
| 201 // Save a file under the specified name. Return Boolean values indicating whether the user selected a file | |
| 202 // and whether the selected file is replacing an existing file. | |
| 203 // | |
| 204 ////////// | |
| 205 | |
| 206 OSErr PutFile (ConstStr255Param thePrompt, ConstStr255Param theFileName, FSSpecPtr theFSSpecPtr, Boolean *theIsSelected, Boolean *theIsReplacing) | |
| 207 { | |
| 208 NavReplyRecord myReply; | |
| 209 NavDialogOptions myDialogOptions; | |
| 210 NavEventUPP myEventUPP = NewNavEventUPP(HandleNavEvent); | |
| 211 OSErr myErr = noErr; | |
| 212 | |
| 213 if ((theFSSpecPtr == NULL) || (theIsSelected == NULL) || (theIsReplacing == NULL)) | |
| 214 return(paramErr); | |
| 215 | |
| 216 // assume we are not replacing an existing file | |
| 217 *theIsReplacing = false; | |
| 218 | |
| 219 *theIsSelected = false; | |
| 220 | |
| 221 // specify the options for the dialog box | |
| 222 NavGetDefaultDialogOptions(&myDialogOptions); | |
| 223 myDialogOptions.dialogOptionFlags += kNavNoTypePopup; | |
| 224 myDialogOptions.dialogOptionFlags += kNavDontAutoTranslate; | |
| 225 BlockMoveData(theFileName, myDialogOptions.savedFileName, theFileName[0] + 1); | |
| 226 BlockMoveData(thePrompt, myDialogOptions.message, thePrompt[0] + 1); | |
| 227 | |
| 228 // prompt the user for a file | |
| 229 myErr = NavPutFile(NULL, &myReply, &myDialogOptions, myEventUPP, MovieFileType, sigMoviePlayer, NULL); | |
| 230 if ((myErr == noErr) && myReply.validRecord) | |
| 231 { | |
| 232 AEKeyword myKeyword; | |
| 233 DescType myActualType; | |
| 234 Size myActualSize = 0; | |
| 235 | |
| 236 // get the FSSpec for the selected file | |
| 237 if (theFSSpecPtr != NULL) | |
| 238 myErr = AEGetNthPtr(&(myReply.selection), 1, typeFSS, &myKeyword, &myActualType, theFSSpecPtr, sizeof(FSSpec), &myActualSize); | |
| 239 | |
| 240 *theIsSelected = myReply.validRecord; | |
| 241 if (myReply.validRecord) | |
| 242 { | |
| 243 *theIsReplacing = myReply.replacing; | |
| 244 } | |
| 245 | |
| 246 NavDisposeReply(&myReply); | |
| 247 } | |
| 248 | |
| 249 | |
| 250 DisposeNavEventUPP(myEventUPP); | |
| 251 | |
| 252 return(myErr); | |
| 253 } | |
| 254 | |
| 255 ////////// | |
| 256 // | |
| 257 // DrawLobsterPICTtoGWorld | |
| 258 // Draws our lobster image to the specified gworld | |
| 259 // | |
| 260 ////////// | |
| 261 | |
| 262 void DrawLobsterPICTtoGWorld(CGrafPtr destGWorld, Rect *srcRect) | |
| 263 { | |
| 264 // put the overlay into the GWorld, move the picture to the bottom right of the movie | |
| 265 PicHandle pict = GetPicture(129); | |
| 266 if (pict) | |
| 267 { | |
| 268 CGrafPtr oldPort; | |
| 269 GDHandle oldDevice; | |
| 270 Rect frame = (**pict).picFrame; | |
| 271 | |
| 272 GetGWorld(&oldPort, &oldDevice); | |
| 273 SetGWorld(destGWorld, nil); | |
| 274 // normalize coordinates | |
| 275 OffsetRect(&frame, -frame.left, -frame.left); | |
| 276 // grow frame to be as big as source rect | |
| 277 OffsetRect(&frame, srcRect->right - frame.right, srcRect->bottom - frame.bottom); | |
| 278 DrawPicture(pict, &frame); | |
| 279 SetGWorld(oldPort, oldDevice); | |
| 280 ReleaseResource((Handle)pict); | |
| 281 } | |
| 282 } | |
| 283 |
