/*

    File:       Events.c

    Contains:   Main event loop and basic keyboard/mouse processing

    Written by: Chris White 

    Copyright:  Copyright © 1996-1999 by Apple Computer, Inc., All Rights Reserved.

                You may incorporate this Apple sample source code into your program(s) without

                restriction. This Apple sample source code has been provided "AS IS" and the

                responsibility for its operation is yours. You are not permitted to redistribute

                this Apple sample source code as "Apple sample source code" after having made

                changes. If you're going to re-distribute the source, we require that you make

                it clear in the source that the code was descended from Apple sample source

                code, but that you've made changes.

    Change History (most recent first):

                8/6/1999    Karl Groethe    Updated for Metrowerks Codewarror Pro 2.1

*/

#pragma segment Core

// System Includes

#ifndef __MEMORY__

    #include <Memory.h>

#endif

#ifndef __APPLEEVENTS__

    #include <AppleEvents.h>

#endif

#ifndef __DIALOGS__

    #include <Dialogs.h>

#endif

#ifndef __DESK__

    #include <Desk.h>

#endif

#ifndef __WINDOWS__

    #include <Windows.h>

#endif

// Application includes

#ifndef __BAREBONES__

    #include "BareBones.h"

#endif

#ifndef __PROTOTYPES__

    #include "Prototypes.h"

#endif

// static includes

static void DoMouseDown ( EventRecord* theEvent );

static void DoKey ( EventRecord*theEvent );

void EventLoop ( void )

{

    OSErr           theErr;

    EventRecord     theEvent;

    while ( !gQuit )

    {

        WaitNextEvent ( everyEvent, &theEvent, gSleepTime, nil );   

        switch ( theEvent.what )

        {

            case mouseDown: 

                DoMouseDown ( &theEvent );

            break;

            case keyDown:

            case autoKey: 

                DoKey ( &theEvent );

            break;

            case activateEvt: 

                DoActivate ( &theEvent );

            break;

            case updateEvt:

                DoUpdate ( (WindowRef) theEvent.message );

            break;

            case osEvt:

                if ( (theEvent.message >> 24) & suspendResumeMessage )  // suspend or resume

                {

                    if ( (theEvent.message >> 24) & resumeFlag )

                        SetCursor ( &qd.arrow );

                    // Modify the event record to look like an activate/deactivate event

                    theEvent.modifiers = theEvent.message;      // Copy suspend/resume flag

                    theEvent.message = (long) FrontWindow ( );  

                    DoActivate ( &theEvent );

                }

            break;

            case kHighLevelEvent:

                theErr = AEProcessAppleEvent ( &theEvent );

            break;

        }

    }

    return;

} // EventLoop

static void DoMouseDown ( EventRecord* theEvent )

{

    Point           globalPt = theEvent->where;

    SInt16          windowPart;

    WindowRef       theWindow;

    long            theMenu;

    windowPart = FindWindow ( globalPt, &theWindow );

    switch ( windowPart )

    {

        case inMenuBar: 

            theMenu = MenuSelect ( globalPt );

            MenuDispatch ( theMenu );

        break;

        case inSysWindow:

            // The SystemClick toolbox routine handles system events

            SystemClick ( theEvent, theWindow );

        break;

        case inGoAway:

            // We'll quit when the user closes the window

            if ( TrackGoAway ( theWindow, theEvent->where ) )

                gQuit = true;

        break;

        // TO DO: Check order of this switch

        case inGrow:

            DoGrowWindow ( theWindow, theEvent );

        break;

        case inDrag:

            DoDragWindow ( theWindow, theEvent );

        break;

        case inContent:

            DoContentClick ( theWindow, theEvent );

        break;

    }

    return;

} // DoMouseDown

static void DoKey ( EventRecord* theEvent )

{

    char keyPressed = (theEvent->message & charCodeMask);

    // Command keys get handled by the menu handling routines

    if ( theEvent->modifiers & cmdKey )

        MenuDispatch ( MenuKey ( keyPressed ) );

    return;

} // DoKey