/*

    File:       Carbon Main.c

    Contains:   Main event handling and setup

                This code is designed to supplement the HID Manager Documentation, with minor chnages 

                for readability.  It should be used with Mac OS X only.

    DRI: George Warner

    Copyright:  Copyright © 2002 Apple Computer, Inc., All Rights Reserved

    Disclaimer: IMPORTANT:  This Apple software is supplied to you by Apple Computer, Inc.

                ("Apple") in consideration of your agreement to the following terms, and your

                use, installation, modification or redistribution of this Apple software

                constitutes acceptance of these terms.  If you do not agree with these terms,

                please do not use, install, modify or redistribute this Apple software.

                In consideration of your agreement to abide by the following terms, and subject

                to these terms, Apple grants you a personal, non-exclusive license, under AppleÕs

                copyrights in this original Apple software (the "Apple Software"), to use,

                reproduce, modify and redistribute the Apple Software, with or without

                modifications, in source and/or binary forms; provided that if you redistribute

                the Apple Software in its entirety and without modifications, you must retain

                this notice and the following text and disclaimers in all such redistributions of

                the Apple Software.  Neither the name, trademarks, service marks or logos of

                Apple Computer, Inc. may be used to endorse or promote products derived from the

                Apple Software without specific prior written permission from Apple.  Except as

                expressly stated in this notice, no other rights or licenses, express or implied,

                are granted by Apple herein, including but not limited to any patent rights that

                may be infringed by your derivative works or by other works in which the Apple

                Software may be incorporated.

                The Apple Software is provided by Apple on an "AS IS" basis.  APPLE MAKES NO

                WARRANTIES, EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION THE IMPLIED

                WARRANTIES OF NON-INFRINGEMENT, MERCHANTABILITY AND FITNESS FOR A PARTICULAR

                PURPOSE, REGARDING THE APPLE SOFTWARE OR ITS USE AND OPERATION ALONE OR IN

                COMBINATION WITH YOUR PRODUCTS.

                IN NO EVENT SHALL APPLE BE LIABLE FOR ANY SPECIAL, INDIRECT, INCIDENTAL OR

                CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE

                GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)

                ARISING IN ANY WAY OUT OF THE USE, REPRODUCTION, MODIFICATION AND/OR DISTRIBUTION

                OF THE APPLE SOFTWARE, HOWEVER CAUSED AND WHETHER UNDER THEORY OF CONTRACT, TORT

                (INCLUDING NEGLIGENCE), STRICT LIABILITY OR OTHERWISE, EVEN IF APPLE HAS BEEN

                ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

 */

// system includes ----------------------------------------------------------

#ifdef __APPLE_CC__

    #include <Carbon/Carbon.h>

#else

    #include "Carbon_Include.h"

    #include <MacTypes.h>

    #include <CarbonEvents.h>

    #include <Gestalt.h>

    #include <ToolUtils.h>

    // profile

    #if __profile__

        #include <Profiler.h>

    #endif

#endif

#include <math.h>

#include <stdio.h>

// project includes ---------------------------------------------------------

#include "HID_Manager_Test.h"

// prototypes ---------------------------------------------------------------

void InitToolbox(void);

Boolean SetUp (void);

void DoMenu (SInt32 menuResult);

void DoKey (SInt8 theKey, SInt8 theCode);

void DoUpdate (void);

pascal void IdleTimer (EventLoopTimerRef inTimer, void* userData);

EventLoopTimerUPP GetTimerUPP (void);

void DoButton (void);

void DoEvent (void);

void CleanUp (void);

// profile wrappers

Boolean WaitNextEventWrapper (EventMask eventMask, EventRecord *theEvent, unsigned long sleep,RgnHandle mouseRgn);

void UpdateWrapper (EventRecord *theEvent);

// statics/globals (internal only) ------------------------------------------

// Menu defs

enum 

{

    kMenuApple = 128,

    kMenuFile = 129,

    kAppleAbout = 1,

    KFileTestHID = 1,

    kFileQuit

};

enum 

{

    kForegroundSleep = 10,

    kBackgroundSleep = 10000

};

EventLoopTimerRef gTimer = NULL;

UInt32 gSleepTime = kForegroundSleep;

Boolean gDone = false, gfFrontProcess = true;

// profile

#if __profile__

OSErr gProfErr = noErr;

#endif  

// functions (internal/private) ---------------------------------------------

static pascal OSErr QuitAppleEventHandler( const AppleEvent *appleEvt, AppleEvent* reply, SInt32 refcon )

{

    #pragma unused (appleEvt, reply, refcon)

    gDone =  true;

    return false;

}

// --------------------------------------------------------------------------

void InitToolbox(void)

{

    OSErr err;

    long response;

    MenuHandle menu;

    InitCursor();

// profile

#if __profile__

    gProfErr = ProfilerInit (collectDetailed, bestTimeBase, 20, 5); // set up profiling

    if (noErr == gProfErr)

        ProfilerSetStatus(FALSE);

#endif  

    // Init Menus

    menu = NewMenu (kMenuApple, "\p\024");          // new  apple menu

    InsertMenu (menu, 0);                           // add menu to end

    menu = NewMenu (kMenuFile, "\pFile");           // new menu

    InsertMenu (menu, 0);                           // add menu to end

    AppendMenu (menu, "\pTest HID/T");              // add HID Menu

    // add quit if not under Mac OS X

    err = Gestalt (gestaltMenuMgrAttr, &response);

    if ((err == noErr) && !(response & gestaltMenuMgrAquaLayoutMask))

    {

            AppendMenu (menu, "\pQuit/Q");                  // add quit

    }

    DrawMenuBar();

    err = AEInstallEventHandler( kCoreEventClass, kAEQuitApplication, NewAEEventHandlerUPP(QuitAppleEventHandler), 0, false );

    if (err != noErr)

        ExitToShell();

    InitCursor ();

} 

// --------------------------------------------------------------------------

Boolean SetUp (void)

{

    InitToolbox ();

// profile

#if __profile__

    if (noErr == gProfErr)

        ProfilerSetStatus (TRUE); // turn on profiling

#endif  

    // Do setup here

    // now that we are set up go ahead and start drawing

    InstallEventLoopTimer (GetCurrentEventLoop(), 0, 0.000001, GetTimerUPP (), 0, &gTimer);

// profile

#if __profile__

    if (noErr == gProfErr)

        ProfilerSetStatus (FALSE); // turn on profiling

#endif  

    return true;

}

// --------------------------------------------------------------------------

void DoMenu (SInt32 menuResult)

{

    SInt16 theMenu;

    SInt16 theItem;

    MenuRef theMenuHandle;

    theMenu = HiWord(menuResult);

    theItem = LoWord(menuResult);

    theMenuHandle = GetMenuHandle(theMenu);

    switch (theMenu)

    {

        case kMenuApple:

            switch (theItem)

            {

                case kAppleAbout:

                    break;

                default:

                    break;

            }

            break;

        case kMenuFile:

            switch (theItem)

            {

                case KFileTestHID:

                    MyStartHIDDeviceInterfaceTest ();

                    break;

                case kFileQuit:

                    gDone = true;

                    break;

            }

            break;

    }

    HiliteMenu(0);

    DrawMenuBar();

}

// --------------------------------------------------------------------------

void DoKey (SInt8 theKey, SInt8 theCode)

{

    #pragma unused (theCode, theKey)

    // do nothing

}

// --------------------------------------------------------------------------

void DoUpdate (void)

{

    // do window drawing

}

// --------------------------------------------------------------------------

void UpdateWrapper (EventRecord *theEvent)

{

    WindowRef whichWindow;

    GrafPtr pGrafSave;

    whichWindow = (WindowRef) theEvent->message;

    GetPort (&pGrafSave);

    SetPort((GrafPtr) GetWindowPort(whichWindow));

    BeginUpdate(whichWindow);

    DoUpdate();

    SetPort((GrafPtr) GetWindowPort(whichWindow));

    EndUpdate(whichWindow);

    SetPort (pGrafSave);

}

// --------------------------------------------------------------------------

pascal void IdleTimer (EventLoopTimerRef inTimer, void* userData)

{

    #pragma unused (inTimer, userData)

    DoUpdate ();

}

// --------------------------------------------------------------------------

EventLoopTimerUPP GetTimerUPP (void)

{

    static EventLoopTimerUPP    sTimerUPP = NULL;

    if (sTimerUPP == NULL)

        sTimerUPP = NewEventLoopTimerUPP (IdleTimer);

    return sTimerUPP;

}

// --------------------------------------------------------------------------

void DoButton (void)

{

}

// --------------------------------------------------------------------------

Boolean WaitNextEventWrapper (EventMask eventMask, EventRecord *theEvent, UInt32 sleep, RgnHandle mouseRgn)

{

    return WaitNextEvent (eventMask, theEvent, sleep, mouseRgn);

}

// --------------------------------------------------------------------------

void DoEvent (void)

{

    EventRecord theEvent;

    Rect rectWork;

    SInt32 menuResult;

    WindowRef whichWindow = NULL;

    long grow;

    SInt16 whatPart;

    SInt8 theKey;

    SInt8 theCode;

//  Boolean fProcessed = false;

    if (WaitNextEventWrapper (everyEvent, &theEvent, gSleepTime, NULL))

    {

        switch (theEvent.what)

        {

            case mouseDown:

                whatPart = FindWindow(theEvent.where, &whichWindow);

                switch (whatPart)

                {

                    case inGoAway:

                        break;

                    case inMenuBar:

                        DrawMenuBar();

                        menuResult = MenuSelect(theEvent.where);

                        if (HiWord(menuResult) != 0)

                            DoMenu(menuResult);

                        break;

                    case inDrag:

                    {

                        BitMap  screenBits;

                        DragWindow(whichWindow, theEvent.where, &GetQDGlobalsScreenBits(&screenBits)->bounds);

                    }

                        break;

                    case inGrow:

                    {

                        SetRect (&rectWork, 100, 100, 20000, 20000);

                        grow = GrowWindow (whichWindow, theEvent.where, &rectWork);

                        if (grow)

                        {

                            SizeWindow (whichWindow, grow & 0x0000FFFF, grow >> 16, true);

                            SetPort((GrafPtr) GetWindowPort(whichWindow));

                            InvalWindowRect(whichWindow, GetWindowPortBounds(whichWindow, &rectWork));

                        }

                        break;

                    }

                    case inSysWindow:

                        break;

                }

                break;

            case keyDown:

            case autoKey:

                theKey = theEvent.message & charCodeMask;

                theCode = (theEvent.message & keyCodeMask) >> 8;

                if ((theEvent.modifiers & cmdKey) != 0)

                {

                    menuResult = MenuKey(theKey);

                    if (HiWord(menuResult) != 0)

                        DoMenu (menuResult);

                }

                else

                    DoKey (theKey, theCode);

                break;

            case updateEvt:

                UpdateWrapper (&theEvent);

                break;

            case diskEvt:

                break;

            case osEvt:

                if (theEvent.message & 0x01000000)      //  Suspend/resume event

                {

                    if (theEvent.message & 0x00000001)  //  Resume

                    {

                        gSleepTime = kForegroundSleep;

                        DoUpdate ();

                        gfFrontProcess = true;

                    }

                    else

                    {

                        gSleepTime = kBackgroundSleep;  //  Suspend

                        gfFrontProcess = false;

                    }

                }

                break;

            case kHighLevelEvent:

                AEProcessAppleEvent(&theEvent);

                break;

        }

    }

}

// --------------------------------------------------------------------------

void CleanUp (void)

{

    MenuHandle hMenu;

    if (gTimer)

    {

        RemoveEventLoopTimer(gTimer);

        gTimer = NULL;

    }

    // do clean up here

    hMenu = GetMenuHandle (kMenuFile);

    DeleteMenu (kMenuFile);

    DisposeMenu (hMenu);

    hMenu = GetMenuHandle (kMenuApple);

    DeleteMenu (kMenuApple);

    DisposeMenu (hMenu);

// profile

#if __profile__

    if (noErr == gProfErr)

    {

        ProfilerDump("\pMoovGL.prof");

        ProfilerTerm();

    }

#endif  

}

// --------------------------------------------------------------------------

int main (void)

{

    if (SetUp ())   

        while (!gDone) 

        {

// profile

#if __profile__

            if (noErr == gProfErr)

                ProfilerSetStatus(TRUE); // turn on profiling

#endif  

                DoEvent ();

// profile

#if __profile__

            if (noErr == gProfErr)

                ProfilerSetStatus(FALSE); // turn profiling off again

#endif  

        }

    CleanUp ();

    return 0;

}