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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    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);
}