Retired Document
Important: This sample code may not represent best practices for current development. The project may use deprecated symbols and illustrate technologies and techniques that are no longer recommended.
MyUtils.c
/* |
File: MySGStuff.c |
Contains: Sequence grabber code. |
Written by: John Wang |
Copyright: © 1994 by Apple Computer, Inc., all rights reserved. |
Change History (most recent first): |
<1> 04/04/94 JW Created. |
To Do: |
*/ |
#ifdef THINK_C |
#define applec |
#endif |
#include "MyHeaders" |
/* |
#include <Types.h> |
#include <Memory.h> |
#include <QuickDraw.h> |
#include <Palettes.h> |
#include <QDOffscreen.h> |
#include <Errors.h> |
#include <Fonts.h> |
#include <Dialogs.h> |
#include <Windows.h> |
#include <Menus.h> |
#include <Events.h> |
#include <Desk.h> |
#include <DiskInit.h> |
#include <OSUtils.h> |
#include <Resources.h> |
#include <ToolUtils.h> |
#include <AppleEvents.h> |
#include <EPPC.h> |
#include <GestaltEqu.h> |
#include <Processes.h> |
#include <Balloons.h> |
#include <Aliases.h> |
#include <MixedMode.h> |
#include <Scrap.h> |
#include <LowMem.h> |
*/ |
#include <Folders.h> |
#include "MyCaptureAppShell.h" |
#include "MySGStuff.h" |
#include "MyUtils.h" |
/* ------------------------------------------------------------------------- */ |
// Show Alert. Then, return true is err != noErr. |
void ReportWarning(Str255 procStr, long err) |
{ |
Str255 myStr; |
NumToString(err, myStr); |
ParamText("\pWarning!", procStr, err ? myStr : nil, nil); |
Alert(kALERT_ERROR, nil); |
} |
void ReportFatal(Str255 procStr, long err) |
{ |
Str255 myStr; |
NumToString(err, myStr); |
ParamText("\pFatal Error!", procStr, err ? myStr : nil, nil); |
Alert(kALERT_ERROR, nil); |
ExitToShell(); |
} |
void GetGlobalWindow(WindowPtr theWindow, Rect *windowRect) |
{ |
// Get the windowRect in global coordinates. |
*windowRect = theWindow->portRect; |
LocalToGlobal(&topLeft(*windowRect)); |
LocalToGlobal(&botRight(*windowRect)); |
} |
/* ------------------------------------------------------------------------- */ |
// readPreferencesFile will return refnum = -1 if not found. |
short readPreferencesFile() |
{ |
short myVRefNum; |
long myDirID; |
StringHandle prefsName; |
short myRefNum; |
if (FindFolder(kOnSystemDisk, kPreferencesFolderType, true, &myVRefNum, &myDirID)) |
return(-1); |
prefsName = GetString(STR_PREFSNAME); |
myRefNum = HOpenResFile(myVRefNum, myDirID, (unsigned char *) *prefsName, fsRdPerm); |
ReleaseResource((Handle) prefsName); |
return(myRefNum); |
} |
// writePreferencesFile returns -1 if preferences file can't be opened. |
short writePreferencesFile() |
{ |
short myVRefNum; |
long myDirID; |
StringHandle prefsName; |
short myRefNum; |
if (FindFolder(kOnSystemDisk, kPreferencesFolderType, true, &myVRefNum, &myDirID)) |
return(-1); |
prefsName = GetString(STR_PREFSNAME); |
HDelete(myVRefNum, myDirID, (unsigned char *) *prefsName); |
HCreateResFile(myVRefNum, myDirID, (unsigned char *) *prefsName); |
myRefNum = HOpenResFile(myVRefNum, myDirID, (unsigned char *) *prefsName, fsRdWrPerm); |
ReleaseResource((Handle) prefsName); |
return(myRefNum); |
} |
void closePreferencesFile(short myRefNum) |
{ |
UpdateResFile(myRefNum); |
CloseResFile(myRefNum); |
} |
Copyright © 2003 Apple Computer, Inc. All Rights Reserved. Terms of Use | Privacy Policy | Updated: 2003-01-14