/*

    File: main.cpp

    Contains: main, application level related methods.

    Version: InkSample 1.1

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

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

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        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

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

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    Copyright (c) 2003 Apple Computer, Inc. All rights reserved.

*/

#include <Carbon/Carbon.h>

#include <iostream>

#include "TabbedWindow.h"

#include "InkTextPane.h"

#include "InkSampleUtils.h"

#include "InkTextAlternatesPane.h"

#include "InkPhraseTerminationPane.h"

#include "StrokeAccumulationPane.h"

UInt32 gInkAppWritingMode;

UInt32 gInkPhraseTerminationMode;

UInt32 gInkDrawingMode;

UInt32 gInkRecognitionMode;

#pragma mark ---

#pragma mark STATIC FUNCTION DECLARATIONS

#pragma mark ---

OSStatus

PrepareToQuitApplication();

static pascal OSStatus

AppEventHandler( EventHandlerCallRef inCallRef, EventRef inEvent, void* inUserData );

static OSStatus

AppHandleCommandEvent( EventHandlerCallRef inCallRef, EventRef inEvent, void* inUserData  );

static OSStatus

AppHandleMenuEvent( EventHandlerCallRef inCallRef, EventRef inEvent, void* inUserData  );

static OSStatus

UpdateMenuRef( MenuRef menuRef );

static OSStatus

InstallApplicationEventHandlerOnAppTarget();

static OSStatus

InstallInkHandlersOnAppTarget();

static OSStatus

AppLevelInkHandler( EventHandlerCallRef inCallRef, EventRef inEvent, void* inUserData );

OSStatus

ApplicationAppendString( char*, UInt32 len );

OSStatus

ApplicationAppendCFString( CFStringRef cfStr );

OSStatus

ApplicationFlushString();

#pragma mark ---

#pragma mark FUNCTION DEFINITIONS

#pragma mark ---

int main(int argc, char* argv[])

{

    IBNibRef nibRef;

    OSStatus status;

    TabbedWindow *tabWindow = NULL;

    // Initialize default values in this application's

    // custom global variables which track the current

    // Ink input method modes.

    gInkAppWritingMode = kInkWriteAnywhereInApp;

    gInkPhraseTerminationMode = kInkTerminationAll;

    gInkDrawingMode = kInkDrawInkAndWritingGuides;

    gInkRecognitionMode = kInkRecognitionDefault;

    // Register callbacks for HIView based pane classes.

    status = InkTextPaneRegister();

    require_noerr( status, CantRegisterPane );

    status = InkTextAlternatesPaneRegister();

    require_noerr( status, CantRegisterPane );

    status = InkPhraseTerminationPaneRegister();

    require_noerr( status, CantRegisterPane );    

    status = StrokeAccumulationPaneRegister();

    require_noerr( status, CantRegisterPane );

    status = ::CreateNibReference( CFSTR("main"), &nibRef );

    require_noerr( status, CantGetNibRef );

    status = ::SetMenuBarFromNib( nibRef, CFSTR( "MenuBar" ) );

    require_noerr( status, CantSetMenuBar );

    ::DisposeNibReference(nibRef);

    status = InstallApplicationEventHandlerOnAppTarget(); // app handler

    require_noerr( status, CantInstallAppHandler );

    status = InstallInkHandlersOnAppTarget(); // ink handler

    require_noerr( status, CantInstallAppHandler );

    tabWindow = new TabbedWindow();

    // Call the event loop

    ::RunApplicationEventLoop();

CantInstallAppHandler:

CantRegisterPane:

CantSetMenuBar:

CantGetNibRef:

    return status;

}

OSStatus

PrepareToQuitApplication()

{

    #if DEBUG_EVENT_TRACING

    std::cout << "Quitting..." << std::endl;

    #endif

    return noErr;

}

pascal OSStatus

AppEventHandler( EventHandlerCallRef inCallRef, EventRef inEvent, void* inUserData )

{

    OSStatus status = eventNotHandledErr;

    switch ( ::GetEventClass( inEvent ) )

    {

        case kEventClassCommand:

            status = AppHandleCommandEvent( inCallRef, inEvent, inUserData );

            break;

        case kEventClassMenu:

            status = AppHandleMenuEvent( inCallRef, inEvent, inUserData );

            break;

    }

    return status;

}

OSStatus

AppHandleCommandEvent( EventHandlerCallRef inCallRef, EventRef inEvent, void* inUserData  )

{

#pragma unused( inUserData )

    OSStatus status = eventNotHandledErr;

    HICommand hiCommand;

    #if DEBUG_EVENT_TRACING

    std::cout << "AppHandleCommandEvent..." << std::endl;

    #endif

    status = ::GetEventParameter( inEvent, kEventParamDirectObject, typeHICommand,

            NULL, sizeof( HICommand ), NULL, (void *) &hiCommand );

    require_noerr( status, HandleCommandEvent_err );

    switch( hiCommand.commandID )

    {

        case kHICommandAbout:

        case kHICommandOpen:

            status = eventNotHandledErr;

            break;

        case 'new ':

            new TabbedWindow();

            break;

        case 'wNot': // write nowhere in app

            InkSetApplicationWritingMode(kInkWriteNowhereInApp);

            gInkAppWritingMode = kInkWriteNowhereInApp;

            break;

        case 'wAny':

            InkSetApplicationWritingMode(kInkWriteAnywhereInApp);

            gInkAppWritingMode = kInkWriteAnywhereInApp;

            break;

        case 'dNot':

            InkSetDrawingMode(kInkDrawNothing);

            gInkDrawingMode = kInkDrawNothing;

            break;

        case 'dInk':

            InkSetDrawingMode(kInkDrawInkOnly);

            gInkDrawingMode = kInkDrawInkOnly;

            break;

        case 'dInB':

            InkSetDrawingMode(kInkDrawInkAndWritingGuides);

            gInkDrawingMode = kInkDrawInkAndWritingGuides;

            break;

        case 'tNon':

            InkSetPhraseTerminationMode(kInkSourceUser,kInkTerminationNone);

            gInkPhraseTerminationMode = kInkTerminationNone;

            break;

        case 'tTme':

            if( gInkPhraseTerminationMode & kInkTerminationTimeOut )

                gInkPhraseTerminationMode ^= kInkTerminationTimeOut;

            else

                gInkPhraseTerminationMode |= kInkTerminationTimeOut;

            InkSetPhraseTerminationMode(kInkSourceUser,gInkPhraseTerminationMode);

            break;

        case 'tPrx':

            // add or remove proximity termination

            if( gInkPhraseTerminationMode & kInkTerminationOutOfProximity )

                gInkPhraseTerminationMode ^= kInkTerminationOutOfProximity;

            else

                gInkPhraseTerminationMode |= kInkTerminationOutOfProximity;

            InkSetPhraseTerminationMode(kInkSourceUser,gInkPhraseTerminationMode);

            break;

        case 'tHrz':

            // add or remove horizontal break termination

            if( gInkPhraseTerminationMode & kInkTerminationRecognizerHorizontalBreak )

                gInkPhraseTerminationMode ^= kInkTerminationRecognizerHorizontalBreak;

            else

                gInkPhraseTerminationMode |= kInkTerminationRecognizerHorizontalBreak;

            InkSetPhraseTerminationMode(kInkSourceUser,gInkPhraseTerminationMode);

            break;

        case 'tVrt':

            // add or remove vertical break termination

            if( gInkPhraseTerminationMode & kInkTerminationRecognizerVerticalBreak )

                gInkPhraseTerminationMode ^= kInkTerminationRecognizerVerticalBreak;

            else

                gInkPhraseTerminationMode |= kInkTerminationRecognizerVerticalBreak;

            InkSetPhraseTerminationMode(kInkSourceUser,gInkPhraseTerminationMode);

            break;

        case 'tAll':

            InkSetPhraseTerminationMode(kInkSourceUser,kInkTerminationAll);

            gInkPhraseTerminationMode = kInkTerminationAll;

            break;

        case 'rNon':

            InkSetApplicationRecognitionMode(kInkRecognitionNone);

            gInkRecognitionMode = kInkRecognitionNone;

            break;

        case 'rTxt':

            if( gInkRecognitionMode & kInkRecognitionText )

                gInkRecognitionMode ^= kInkRecognitionText;

            else

                gInkRecognitionMode |= kInkRecognitionText;

            InkSetApplicationRecognitionMode(gInkRecognitionMode);

            break;

        case 'rGst':

            if( gInkRecognitionMode & kInkRecognitionGesture )

                gInkRecognitionMode ^= kInkRecognitionGesture;

            else

                gInkRecognitionMode |= kInkRecognitionGesture;

            InkSetApplicationRecognitionMode(gInkRecognitionMode);

            break;

        case 'rDef':

            InkSetApplicationRecognitionMode(kInkRecognitionDefault);

            gInkRecognitionMode = kInkRecognitionDefault;

            break;

        case 'Coal':

            if( IsMouseCoalescingEnabled() == true )

                SetMouseCoalescingEnabled( false, NULL );

            else

                SetMouseCoalescingEnabled( true, NULL );

            break;

        case kHICommandQuit:

            status = PrepareToQuitApplication();

            // we could (and must) force quit if we return something other than eventNotHandledErr

            // otherwise let the default handler catch this and exit the Application event loop.

            status = eventNotHandledErr;

            break;

        default:

            status = eventNotHandledErr;

            break;

    }

HandleCommandEvent_err:

    #if DEBUG_ERROR_LOGS

    if( status != eventNotHandledErr )

        std::cerr << "AppHandleCommandEvent got status: " << status << std::endl;

    #endif

    return status;

}

static OSStatus

AppHandleMenuEvent( EventHandlerCallRef inCallRef, EventRef inEvent, void* inUserData  )

{

    OSStatus status = eventNotHandledErr;

    MenuRef menuRef = NULL;

    #if DEBUG_EVENT_TRACING

    std::cerr << "AppHandleMenuEvent..." << std::endl;

    #endif    

    status = ::GetEventParameter( inEvent, kEventParamDirectObject, typeMenuRef,

                                NULL, sizeof(typeMenuRef), NULL, &menuRef );

    switch( GetEventKind( inEvent ) )

    {

        case kEventMenuOpening:

            status = UpdateMenuRef( menuRef );

            break;

        default:

            status = eventNotHandledErr;

    }

    return status;

    // add app menu handling here

}

OSStatus

UpdateMenuRef( MenuRef menuRef )

{

    OSStatus status = eventNotHandledErr;

    switch( GetMenuID( menuRef ) )

    {

        case 130: // options menu

            ::SetItemMark( menuRef, 1, checkMark );

            if( IsMouseCoalescingEnabled() == true )

                ::SetItemMark( menuRef, 8, checkMark );

            else

                ::SetItemMark( menuRef, 8, noMark );

            status = noErr;

            break;

        case 131: // ink writing mode menu

        {

            if( gInkAppWritingMode == kInkWriteNowhereInApp )

            {

                ::SetItemMark( menuRef, 1, checkMark );

                ::SetItemMark( menuRef, 2, noMark );

            }

            else

            {

                ::SetItemMark( menuRef, 1, noMark );

                ::SetItemMark( menuRef, 2, checkMark );

            }

        }

            break;

        case 132:

        {

            // clear all marks

            ::SetItemMark( menuRef, 1, noMark );

            ::SetItemMark( menuRef, 2, noMark );

            ::SetItemMark( menuRef, 3, noMark );

            // set mark for mode

            switch( gInkDrawingMode )

            {

                case kInkDrawNothing:

                    ::SetItemMark( menuRef, 1, checkMark );

                    break;

                case kInkDrawInkOnly:

                    ::SetItemMark( menuRef, 2, checkMark );

                    break;

                case kInkDrawInkAndWritingGuides:

                    ::SetItemMark( menuRef, 3, checkMark );

                    break;

            }

            status = noErr;

        }

            break;

        case 133:

        {

            // clear all marks

            ::SetItemMark( menuRef, 1, noMark );

            ::SetItemMark( menuRef, 2, noMark );

            ::SetItemMark( menuRef, 3, noMark );

            ::SetItemMark( menuRef, 4, noMark );

            ::SetItemMark( menuRef, 5, noMark );

            ::SetItemMark( menuRef, 6, noMark );

            // set mark for mode

            if( gInkPhraseTerminationMode ==  kInkTerminationNone )

                ::SetItemMark( menuRef, 1, checkMark );

            //else if( gInkPhraseTerminationMode == kInkTerminationAll )

            //    ::SetItemMark( menuRef, 6, checkMark );

            else

            {

                if( gInkPhraseTerminationMode & kInkTerminationTimeOut )

                    ::SetItemMark( menuRef, 2, checkMark );

                if( gInkPhraseTerminationMode & kInkTerminationOutOfProximity )

                    ::SetItemMark( menuRef, 3, checkMark );

                if( gInkPhraseTerminationMode & kInkTerminationRecognizerHorizontalBreak )

                    ::SetItemMark( menuRef, 4, checkMark );

                if( gInkPhraseTerminationMode & kInkTerminationRecognizerVerticalBreak )

                    ::SetItemMark( menuRef, 5, checkMark );

                if( gInkPhraseTerminationMode == kInkTerminationAll )

                    ::SetItemMark( menuRef, 6, checkMark );

            }   

            status = noErr;

        }

            break;

        case 134:

        {

            // clear all marks

            ::SetItemMark( menuRef, 1, noMark );

            ::SetItemMark( menuRef, 2, noMark );

            ::SetItemMark( menuRef, 3, noMark );

            ::SetItemMark( menuRef, 4, noMark );

            // set mark for mode

            if( gInkRecognitionMode ==  kInkRecognitionNone )

                ::SetItemMark( menuRef, 1, checkMark );

            else

            {

                if( gInkRecognitionMode & kInkRecognitionText )

                    ::SetItemMark( menuRef, 2, checkMark );

                if( gInkRecognitionMode & kInkRecognitionGesture )

                    ::SetItemMark( menuRef, 3, checkMark );

                if( gInkRecognitionMode == kInkRecognitionDefault )

                    ::SetItemMark( menuRef, 4, checkMark );

            }

            status = noErr;

        }

            break;

        default:

            status = eventNotHandledErr;

    }

    return status;

}

OSStatus

InstallApplicationEventHandlerOnAppTarget()

{

    static const EventTypeSpec sAppEvents[] =

    {

        { kEventClassCommand, kEventCommandProcess },

        { kEventClassCommand, kEventCommandUpdateStatus },

        { kEventClassMenu, kEventMenuOpening } // may want to install on menu target    

    };

    return ::InstallApplicationEventHandler( ::NewEventHandlerUPP( AppEventHandler ),

                                               GetEventTypeCount( sAppEvents ),

                                               sAppEvents, 0, NULL );

}

OSStatus

InstallInkHandlersOnAppTarget()

{    

    static const EventTypeSpec kInkEvents[] =

    {

        { kEventClassInk, kEventInkText },

        { kEventClassInk, kEventInkGesture }

    };

    OSStatus status = ::InstallEventHandler( GetApplicationEventTarget(), AppLevelInkHandler,

                                             GetEventTypeCount( kInkEvents ),

                                             kInkEvents, NULL, NULL );

    require_noerr( status, InstallInkHandlersOnTarget_err );

InstallInkHandlersOnTarget_err:

    return status;

}

OSStatus

AppLevelInkHandler( EventHandlerCallRef inCallRef, EventRef inEvent, void* inUserData )

{

    OSStatus eventHandlingResult = eventNotHandledErr;

    #if DEBUG_EVENT_TRACING

    std::cout << "Call AppLevelInkHandler..." << std::endl;

    #endif

    switch( GetEventKind( inEvent ) )

    {

        case kEventInkText:

        {

            OSStatus status = noErr;

            InkTextRef inkRef = NULL;

            CFStringRef cfString = NULL;

            Boolean isShortCut;

            #if DEBUG_EVENT_TRACING

            std::cout << "kEventInkText event..." << std::endl;

            #endif

            // if a modifier key was down - or a keyboard modifier icon in the

            // ink window was activated - like command or shift, etc, then the

            // Ink framework will set the the keyboard shortcut flag to true

            status = GetEventParameter( inEvent, kEventParamInkKeyboardShortcut,

                                        typeBoolean, NULL, sizeof(Boolean),

                                        NULL, &isShortCut );

            // we'll quit here if this is a short cut - and let the shortcut

            // be converted to a HiCommand or finally to a menu command key

            // event by the Ink framework.

            require_action( isShortCut == false, BailOnShortCut,

                            status = eventNotHandledErr );

            status = ::GetEventParameter( inEvent, kEventParamInkTextRef, typePtr,

                                        NULL, sizeof(Ptr), NULL, &inkRef );

            require_noerr( status, CantGetInkRef );

            ::CFRetain( inkRef );

            cfString = ::InkTextCreateCFString( inkRef, 0 );

            require( cfString, CantGetString );

            // where ink text goes when there is no windowÉ

            ApplicationAppendCFString( cfString );

            ApplicationFlushString();

            require_noerr( status, CantSetControlData );

CantSetControlData:

            ::CFRelease( cfString );

            eventHandlingResult = noErr;

        }

            break;

        case kEventInkGesture:

        {

            OSErr status = noErr;

            UInt32 gestureKind = NULL;

            HIRect bounds;

            HIPoint hotspot;

            char string[10];

            status = GetEventParameter( inEvent, kEventParamInkGestureKind,

                                     typeUInt32, NULL, sizeof(UInt32),

                                     NULL, &gestureKind );

            require_noerr( status, CantGetGestureKind );

            sprintf(string, "gesture: %4s\n", (char*)&gestureKind);

            status = GetEventParameter( inEvent, kEventParamInkGestureBounds,

                                     typeHIRect, NULL, sizeof(HIRect),

                                     NULL, &bounds );

            require_noerr( status, CantGetGestureBounds );

            status = GetEventParameter( inEvent, kEventParamInkGestureHotspot,

                                        typeHIPoint, NULL, sizeof(HIPoint),

                                        NULL, &hotspot );

            require_noerr( status, CantGetGestureHotspot );

            ApplicationAppendString( string, strlen( string ) );

            ApplicationFlushString();

CantGetGestureHotspot:

            eventHandlingResult = noErr;

        }

        break;

    }

CantGetString:

CantGetInkRef:

CantGetGestureBounds:

CantGetGestureKind:

BailOnShortCut:

    return eventHandlingResult;

}

OSStatus

ApplicationAppendString( char* str, UInt32 len )

{

    std::cout << str;

    return noErr;

}

OSStatus

ApplicationAppendCFString( CFStringRef cfString )

{

    #if MY_DEBUG

    std::cerr << "Application append CFString: ";

    OutputCFStringToStdErr( cfString );

    std::cerr << std::endl;

    #endif

    return noErr;

}

OSStatus

ApplicationFlushString()

{

    return noErr; // if we were buffering, we might flush here

}