/*

    File:       FragmentTool.c

    Contains:   Main event loop and basic keyboard/mouse processing

    Written by: Chris White 

    Copyright:  Copyright © 1995-1999 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):

                8/5/1999    Karl Groethe    Updated for Metrowerks Codewarror Pro 2.1

*/

#include <Memory.h>

#include <AppleEvents.h>

#include <Dialogs.h>

#include <Devices.h>

#include <Windows.h>

#define __MAIN__

#include "FragmentTool.h"

#include "Prototypes.h"

#if defined(powerc) && !defined(__MWERKS__) // MetroWerks declares "qd" in their runtime

    QDGlobals   qd;

#endif

void main ( void );

static void DoKey ( EventRecord*theEvent );

static void DoMouseDown ( EventRecord* theEvent );

static void EventLoop ( void );

void main ( void )

{

    MaxApplZone ( );

    // We don't use too many more handles, so we onyl need to call

    // MoreMasters a couple of times.

    MoreMasters ( );

    MoreMasters ( );

    InitToolbox ( );                        // Init toolbox stuff

    InitApplication ( );                    // Init application specific stuff

    EventLoop ( );

    return;

}

static void EventLoop ( void )

{

    OSErr           theErr;

    EventRecord     theEvent;

    while ( !gQuit )

    {

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

        switch ( theEvent.what )

        {

            case nullEvent:

            {

                DialogRef   theDialog;

                theDialog = FrontWindow ( );

                if ( GetWindowType ( theDialog ) == kGetInfoWindowType )

                    TEIdle ( ((DialogPeek) theDialog)->textH );

            }

            break;

            case mouseDown: 

                DoMouseDown ( &theEvent );

            break;

            case keyDown:

            case autoKey: 

                DoKey ( &theEvent );

            break;

            case activateEvt: 

                DoActivate ( &theEvent );

            break;

            case updateEvt:

                DoUpdate ( &theEvent );

            break;

            case osEvt:

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

                {

                    /* 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;

    int16           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: 

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

            {

                // Very easy to implement, and very useful on occasion

                if ( theEvent->modifiers & optionKey )

                    DoCloseAllDocuments ( );

                else

                    DoCloseDocument ( theWindow );

            }

        break;

        case inDrag:

            DoDragWindow ( theWindow, theEvent );

        break;

        case inGrow: 

            DoGrowWindow ( theWindow, theEvent );

        break;

        case inContent:

            DoContentClick ( theWindow, theEvent );

        break;

        case inZoomIn:

        case inZoomOut: 

            DoZoomWindow ( theWindow, theEvent, windowPart );

        break;

    }

    return;

} // DoMouseDown

static void DoKey ( EventRecord* theEvent )

{

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

    if ( theEvent->modifiers & cmdKey )

    {

        // Command keys get handled by the menu handling routines

        AdjustMenus ( );

        MenuDispatch ( MenuKey ( keyPressed ) );

    }

    else

    {

        // Pass other key strokes to the dialog handling routines

        int16       itemHit;

        WindowRef   theWindow = FrontWindow ( );

        if ( IsMovableModal ( theWindow ) )

        {

            if ( DialogSelect ( theEvent, &theWindow, &itemHit ) )

                DoDialogItemHit ( theWindow, itemHit );

        }

    }

    return;

} // DoKey