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.
CarbonCode.c
/* |
File: CarbonCode.c |
Description: This file contains Carbon code which X11 calls to perform various operations. |
Author: Chad Jones |
Copyright: © Copyright 2003 Apple Computer, Inc. All rights reserved. |
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copyrights in this original Apple software (the "Apple Software"), to use, |
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Change History (most recent first): |
*/ |
#include "CarbonCode.h" |
#include <Carbon/Carbon.h> |
void InitializeCarbon() |
{ |
EventRecord dummyVariable; |
/* Here we call wait next event once. This is just to stop the dock icon bouncing... |
* Otherwise since this is not a typical application it keeps bouncing for quite some time |
* (until you put up a dialog). |
* First Argument: The type of event to get. Here any event is fine. |
* Second Argument: This is where the information on the even will be returned. Here we actually |
* disregard whatever event we got (hopefully there was no event). |
* Third Argument: The wait time before returning automatically from WaitNextEvent. Here we pass |
* zero since we want to remove instantly. |
* Forth Argument: A variable to return mouse information. Here we don't care so pass NULL. |
* Return Value: A boolean indicating if we got an event or not. Again we don't care so pass NULL. |
*/ |
(void)WaitNextEvent(everyEvent,&dummyVariable,0,nil); |
} |
void DisplayDialogFromCarbon(const char* HeaderStringToDisplay, const char* MessageToDisplay) |
{ |
SInt16 outSelection; |
Str255 messageToDisplayPascal = "\p"; |
Str255 headerStringToDisplayPascal = "\p"; |
ProcessSerialNumber ourPSN; |
OSStatus error; |
//If we were passed a string convert it to a pascal string for use in the dialog |
if (HeaderStringToDisplay != NULL) |
{CopyCStringToPascal(HeaderStringToDisplay, headerStringToDisplayPascal);} |
if (MessageToDisplay != NULL) |
{CopyCStringToPascal(MessageToDisplay, messageToDisplayPascal);} |
/* Here we will set the MacOSX native section of the process to the foreground for putting up this |
* dialog box. First step is to get our process serial number. We do this by calling |
* GetCurrentProcess. |
* First Argument: On success this PSN will be our PSN on return. |
* Return Value: A Macintosh error indicating success or failure. |
*/ |
error = GetCurrentProcess(&ourPSN); |
//If no error then set this process to be frontmost. |
if (error == noErr) |
{ |
/* Calling SetFrontProcess to make us frontmost. |
* First Argument: The Process Serial Number of the process we want to make frontmost. Here |
* of course we pass our process serial number |
* Return Value: An error value indicating success or failure. We just ignore the return |
* value here. |
*/ |
(void)SetFrontProcess(&ourPSN); |
} |
/* Displaying standard alert dialog from Carbon |
* First Argument: Alert type, here we want a not alert. |
* Second Argument: The header of the alert panel. Here we use the string passed to us. |
* Third Argument: The message in the alert panel. Again we use the string passed to us. |
* Forth Argument: A structure for customizing the alert. Here we don't want anything fancy |
* so just pass NULL. |
* Fifth Argument: The selection of the user within the dialog. Here we are passing a dummy |
* variable we don't use. |
*/ |
(void)StandardAlert(kAlertNoteAlert, headerStringToDisplayPascal, messageToDisplayPascal, |
NULL, &outSelection); |
} |
void BeepFromCarbon() |
{ |
//Do simple system beep |
SysBeep(1); |
} |
Copyright © 2003 Apple Computer, Inc. All Rights Reserved. Terms of Use | Privacy Policy | Updated: 2003-07-28