///////////////////////////////////////////////////////////////////////////////
/// -*- coding: UTF-8 -*-
///
/// \file   Discovery/Src/tMenuEditXtra.c
/// \brief  Menu Edit Xtra - Specials in Divemode like Reset Stopwatch
/// \author heinrichs weikamp gmbh
/// \date   02-Mar-2015
///
/// \details
///
/// $Id$
///////////////////////////////////////////////////////////////////////////////
/// \par Copyright (c) 2014-2018 Heinrichs Weikamp gmbh
///
///     This program is free software: you can redistribute it and/or modify
///     it under the terms of the GNU General Public License as published by
///     the Free Software Foundation, either version 3 of the License, or
///     (at your option) any later version.
///
///     This program is distributed in the hope that it will be useful,
///     but WITHOUT ANY WARRANTY; without even the implied warranty of
///     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
///     GNU General Public License for more details.
///
///     You should have received a copy of the GNU General Public License
///     along with this program.  If not, see <http://www.gnu.org/licenses/>.
//////////////////////////////////////////////////////////////////////////////

/* Includes ------------------------------------------------------------------*/
#include <stdbool.h>

#include "tMenuEditXtra.h"

#include "gfx_fonts.h"
#include "simulation.h"
#include "timer.h"
#include "tMenuEdit.h"
#include "data_exchange_main.h"
#include "motion.h"
#include "configuration.h"


/* Private function prototypes -----------------------------------------------*/
void openEdit_CompassHeading(void);
void openEdit_ResetStopwatch(void);
void openEdit_SimFollowDecostops(void);
void openEdit_SetManualMarker(void);
void openEdit_SetEndDive(void);
void openEdit_CalibViewport(void);

static void openEdit_CCRModeSensorOrFixedSP(void);
static void openEdit_Fallback(void);
static void openEdit_Scrubber(void);
#ifdef ENABLE_PSCR_MODE
static void openEdit_PSCR(void);
#endif

/* Announced function prototypes -----------------------------------------------*/
uint8_t OnAction_CompassHeading	(uint32_t editId, uint8_t blockNumber, uint8_t digitNumber, uint8_t digitContent, uint8_t action);
uint8_t OnAction_ScrubberTimerId(uint32_t editId, uint8_t blockNumber, uint8_t digitNumber, uint8_t digitContent, uint8_t action);
static uint8_t OnAction_ScrubberTimerMax(uint32_t editId, uint8_t blockNumber, uint8_t digitNumber, uint8_t digitContent, uint8_t action);
static uint8_t OnAction_ScrubberReset(uint32_t editId, uint8_t blockNumber, uint8_t digitNumber, uint8_t digitContent, uint8_t action);
static uint8_t OnAction_ScrubberMode(uint32_t editId, uint8_t blockNumber, uint8_t digitNumber, uint8_t digitContent, uint8_t action);
#ifdef ENABLE_PSCR_MODE
static uint8_t OnAction_PSCRO2Drop(uint32_t editId, uint8_t blockNumber, uint8_t digitNumber, uint8_t digitContent, uint8_t action);
static uint8_t OnAction_PSCRLungRation(uint32_t editId, uint8_t blockNumber, uint8_t digitNumber, uint8_t digitContent, uint8_t action);
#endif

/* Exported functions --------------------------------------------------------*/


void openEdit_Xtra(uint8_t line)
{
    set_globalState_Menu_Line(line);

    /* DIVE MODE */
    if(actual_menu_content != MENU_SURFACE)
    {
    	resetMenuEdit(CLUT_MenuPageXtra);

		switch(line)
		{
			case 1:
			default:
				openEdit_ResetStopwatch();
				break;
			case 2:
				openEdit_CompassHeading();
				break;
			case 3:
				openEdit_SetManualMarker();
				break;
			case 4:
				openEdit_CalibViewport();
				break;
			case 5:
				if(is_stateUsedSetToSim())
				{
					 openEdit_SimFollowDecostops();
				}
				else
				{
					openEdit_SetEndDive();
				}
				break;
		}
    }
    else /* surface mode */
    {
        if((settingsGetPointer()->dive_mode != DIVEMODE_PSCR) && (line > 3))		/* PSCR items are only optional */
		{
			line = 6;
		}

		switch(line)
		{
			case 1: openEdit_CCRModeSensorOrFixedSP();
				break;
			case 2: openEdit_Fallback();
				break;
			case 3: openEdit_Scrubber();
				break;
#ifdef ENABLE_PSCR_MODE
			case 4: openEdit_PSCR();
				break;
#endif
			default:
				break;
		}
    }
}

/* Private functions ---------------------------------------------------------*/
void openEdit_ResetStopwatch(void)
{
    timer_Stopwatch_Restart();
    exitMenuEdit_to_Home();
}

void openEdit_SetManualMarker(void)
{
    stateUsedWrite->events.manualMarker = 1;
    exitMenuEdit_to_Home();
}

void openEdit_SetEndDive(void)
{
	dataOutGetPointer()->setEndDive = 1;
    exitMenuEdit_to_Home();
}

void openEdit_SimFollowDecostops(void)
{
    simulation_set_heed_decostops(!simulation_get_heed_decostops());
    exitMenuEdit_to_Menu_with_Menu_Update();
}

void openEdit_CalibViewport(void)
{
	calibrateViewport(stateUsed->lifeData.compass_roll, stateUsed->lifeData.compass_pitch, stateUsed->lifeData.compass_heading);
	suspendMotionDetection(0);	/* exit to focus mode directly */
    exitMenuEdit_to_Home();
}


static void openEdit_CCRModeSensorOrFixedSP(void)
{
    SSettings *pSettings = settingsGetPointer();

    if(pSettings->CCR_Mode == CCRMODE_Sensors) {
        pSettings->CCR_Mode = CCRMODE_FixedSetpoint;
    } else {
        pSettings->CCR_Mode = CCRMODE_Sensors;
    }

    exitEditWithUpdate();
}

static void openEdit_Fallback(void)
{
/* does not work like this	resetEnterPressedToStateBeforeButtonAction(); */

    SSettings *pSettings = settingsGetPointer();

    if (pSettings->CCR_Mode == CCRMODE_Sensors) {
        pSettings->fallbackToFixedSetpoint = (pSettings->fallbackToFixedSetpoint + 1) % 2;
    }

    exitMenuEdit_to_Menu_with_Menu_Update_do_not_write_settings_for_this_only();
}


static void printScrubberResetText(char *text, SSettings *settings)
{
    int16_t currentTimerMinutes = settings->scrubberData[settings->scubberActiveId].TimerCur;
    char colour = '\020';
    if (currentTimerMinutes <= 0) {
        colour = '\025';
    } else if (currentTimerMinutes <= 30) {
        colour = '\024';
    }
    snprintf(text, 32, "%c\002%c%03i\016\016 %c\017", TXT_ScrubTimeReset, colour, currentTimerMinutes, TXT_Minutes);
}


static void openEdit_Scrubber(void)
{
	char text[32];
	uint8_t textIndex = 0;
    uint16_t localScrubTimer;

    SSettings *pSettings = settingsGetPointer();

    localScrubTimer =  pSettings->scrubberData[pSettings->scubberActiveId].TimerMax;

	resetMenuEdit(CLUT_MenuPageXtra);


	snprintf(&text[0], 32,"\001%c",TXT_ScrubTime);
    write_topline(text);


    snprintf(&text[0], 32,"%c \002#%d",TXT_ScrubTime,pSettings->scubberActiveId);
    write_field_button(StMXTRA_ScrubTimer, 20, 780, ME_Y_LINE1,  &FontT48, text);

    snprintf(&text[textIndex], 32,\
        "%c"
    	"\016\016(%c)\017"
        ,TXT_ScrubTime
		,TXT_Maximum);

    write_label_var(  20, 340, ME_Y_LINE2, &FontT48, text);
    snprintf(&text[textIndex], 32, "\002###\016\016 %c\017",TXT_Minutes);

    write_field_udigit(StMXTRA_ScrubTimer_Max,	 610, 780, ME_Y_LINE2,  &FontT48, text,localScrubTimer, 0, 0, 0);

    printScrubberResetText(text, pSettings);
    write_field_button(StMXTRA_ScrubTimer_Reset, 20, 780, ME_Y_LINE3,  &FontT48, text);

    if(pSettings->scrubberData[pSettings->scubberActiveId].lastDive.WeekDay != 0)
    {
    	snprintf(&text[0], 32,"%c%c\002       %02d.%02d.%02d", TXT_2BYTE, TXT2BYTE_SimDiveTime, 	pSettings->scrubberData[pSettings->scubberActiveId].lastDive.Date,
																				pSettings->scrubberData[pSettings->scubberActiveId].lastDive.Month,
																				pSettings->scrubberData[pSettings->scubberActiveId].lastDive.Year);
    }
    else
    {
       	snprintf(&text[0], 32,"%c%c\002       --.--.--", TXT_2BYTE, TXT2BYTE_SimDiveTime);
    }
	write_label_var(  20, 780, ME_Y_LINE4, &FontT48, text);

   	switch(pSettings->scrubTimerMode)
    	{
    		case SCRUB_TIMER_OFF:
    		default: 	snprintf(&text[0], 32,"%c\002%c%c",TXT_ScrubTimeMode, TXT_2BYTE, TXT2BYTE_MoCtrlNone );
    			break;
    		case SCRUB_TIMER_MINUTES: snprintf(&text[0], 32,"%c\002%c",TXT_ScrubTimeMode, TXT_Minutes );
    			break;
    		case SCRUB_TIMER_PERCENT: snprintf(&text[0], 32,"%c\002%c",TXT_ScrubTimeMode, TXT_Percent );
    			break;
    	}
    write_field_button(StMXTRA_ScrubTimer_OP_Mode,	 20, 780, ME_Y_LINE5,  &FontT48, text);

    setEvent(StMXTRA_ScrubTimer, (uint32_t)OnAction_ScrubberTimerId);
    setEvent(StMXTRA_ScrubTimer_Max, (uint32_t)OnAction_ScrubberTimerMax);
    setEvent(StMXTRA_ScrubTimer_Reset, (uint32_t)OnAction_ScrubberReset);
    setEvent(StMXTRA_ScrubTimer_OP_Mode, (uint32_t)OnAction_ScrubberMode);

    write_buttonTextline(TXT2BYTE_ButtonBack,TXT2BYTE_ButtonEnter,TXT2BYTE_ButtonNext);

}

static void openEdit_PSCR(void)
{
	uint8_t localO2Drop,localLungRatio;
    char text[32];
    SSettings *pSettings = settingsGetPointer();
    localO2Drop = pSettings->pscr_o2_drop;
    localLungRatio = pSettings->pscr_lung_ratio;

    resetMenuEdit(CLUT_MenuPageXtra);

    snprintf(text, 32, "\001%c",TXT_PSClosedCircuit);
    write_topline(text);

    text[0] = '\002';
    text[1] = '\016';
    text[2] = '\016';
    text[3] = '%';
    text[4] = 0;
    write_label_fix(   20, 800, ME_Y_LINE1, &FontT48, TXT_PSCRO2Drop);
    write_label_var(  435, 780, ME_Y_LINE1, &FontT48, text);
    write_field_udigit(StMXTRA_PSCR_O2_Drop, 710, 779, ME_Y_LINE1, &FontT48, "##", (uint32_t)localO2Drop, 0, 0, 0);


    text[0] = '\002';
    text[1] = '1';
    text[2] = '/';
    text[3] = 0;

    write_label_fix(   20, 800, ME_Y_LINE2, &FontT48, TXT_PSCRLungRatio);
    write_label_var(  435, 710, ME_Y_LINE2, &FontT48, text);
    write_field_udigit(StMXTRA_PSCR_LUNG_RATIO, 710, 779, ME_Y_LINE2, &FontT48, "##", (uint32_t)localLungRatio, 0, 0, 0);

    write_buttonTextline(TXT2BYTE_ButtonBack,TXT2BYTE_ButtonEnter,TXT2BYTE_ButtonNext);

    setEvent(StMXTRA_PSCR_O2_Drop,	(uint32_t)OnAction_PSCRO2Drop);
    setEvent(StMXTRA_PSCR_LUNG_RATIO,	(uint32_t)OnAction_PSCRLungRation);
}



static uint8_t OnAction_CompassHeadingClear(uint32_t editId, uint8_t blockNumber, uint8_t digitNumber, uint8_t digitContent, uint8_t action)
{
    stateUsedWrite->diveSettings.compassHeading = 0;

    exitMenuEdit_to_Home_with_Menu_Update();

    return EXIT_TO_HOME;
}


static uint8_t OnAction_CompassHeadingReset(uint32_t editId, uint8_t blockNumber, uint8_t digitNumber, uint8_t digitContent, uint8_t action)
{
    stateUsedWrite->diveSettings.compassHeading = settingsGetPointer()->compassBearing;

    exitMenuEdit_to_Home_with_Menu_Update();

    return EXIT_TO_HOME;
}


static void drawCompassHeadingMenu(bool isRefresh)
{
    SSettings *settings = settingsGetPointer();

    char text[32];
    snprintf(text, 32, "\001%c%c", TXT_2BYTE, TXT2BYTE_CompassHeading);
    write_topline(text);

    uint16_t heading;
    if (settings->compassInertia) {
        heading = (uint16_t)compass_getCompensated();
    } else {
        heading = (uint16_t)stateUsed->lifeData.compass_heading;
    }
    snprintf(text,32,"\001%03i`",heading);
    write_label_var(0, 800, ME_Y_LINE1, &FontT54, text);

    if (!isRefresh) {
        snprintf(text, 32, "%c%c", TXT_2BYTE, TXT2BYTE_Set);
        write_field_button(StMXTRA_CompassHeading, 20, 800, ME_Y_LINE2, &FontT48, text);
    } else {
        tMenuEdit_refresh_field(StMXTRA_CompassHeading);
    }

    bool headingIsSet = stateUsed->diveSettings.compassHeading;
    snprintf(text, 32, "%s%c%c", makeGrey(!headingIsSet), TXT_2BYTE, TXT2BYTE_Clear);
    if (headingIsSet) {
        if (!isRefresh) {
            write_field_button(StMXTRA_CompassHeadingClear, 20, 800, ME_Y_LINE3, &FontT48, text);
        } else {
            tMenuEdit_refresh_field(StMXTRA_CompassHeadingClear);
        }
    } else {
        write_label_var(20, 800, ME_Y_LINE3, &FontT48, text);
    }

    int16_t compassBearing = settings->compassBearing;
    bool canSetBearing = compassBearing && compassBearing != stateUsed->diveSettings.compassHeading;
    snprintf(text, 32, "%s%c%c (%03u`)", makeGrey(!canSetBearing), TXT_2BYTE, TXT2BYTE_Reset, compassBearing);
    if (canSetBearing) {
        if (!isRefresh) {
            write_field_button(StMXTRA_CompassHeadingReset, 20, 800, ME_Y_LINE4, &FontT48, text);
        } else {
            tMenuEdit_refresh_field(StMXTRA_CompassHeadingReset);
        }
    } else {
        write_label_var(20, 800, ME_Y_LINE4, &FontT48, text);
    }

    if (!isRefresh) {
        setEvent(StMXTRA_CompassHeading, (uint32_t)OnAction_CompassHeading);
        setEvent(StMXTRA_CompassHeadingClear, (uint32_t)OnAction_CompassHeadingClear);
        setEvent(StMXTRA_CompassHeadingReset, (uint32_t)OnAction_CompassHeadingReset);
    }

    write_buttonTextline(TXT2BYTE_ButtonBack, TXT2BYTE_ButtonEnter, TXT2BYTE_ButtonNext);
}


void refresh_CompassHeading(void)
{
    drawCompassHeadingMenu(true);
}


void refresh_CO2Data(void)
{
    char text[32];

    snprintf(text,32,"\001%c",TXT_CO2Sensor);
    write_topline(text);

    snprintf(text,32,"CO2: %ld ppm",stateUsed->lifeData.CO2_data.CO2_ppm);
    write_label_var(   30, 800, ME_Y_LINE1, &FontT48, text);

    snprintf(text,32,"Signal: %d",stateUsed->lifeData.CO2_data.signalStrength);
    write_label_var(   30, 800, ME_Y_LINE2, &FontT48, text);

    tMenuEdit_refresh_field(StMXTRA_CO2_Sensor);
    tMenuEdit_refresh_field(StMXTRA_CO2_Sensor_Calib);
}

void openEdit_CompassHeading(void)
{
    drawCompassHeadingMenu(false);
}


uint8_t OnAction_CompassHeading	(uint32_t editId, uint8_t blockNumber, uint8_t digitNumber, uint8_t digitContent, uint8_t action)
{
	setCompassHeading((uint16_t)stateUsed->lifeData.compass_heading);
    exitMenuEdit_to_Home_with_Menu_Update();
    return EXIT_TO_HOME;
}


uint8_t OnAction_ScrubberTimerId(uint32_t editId, uint8_t blockNumber, uint8_t digitNumber, uint8_t digitContent, uint8_t action)
{
	char text[32];
	SSettings *pSettings;
    pSettings = settingsGetPointer();

    if(pSettings->scubberActiveId == 0)
    {
    	pSettings->scubberActiveId = 1;
    }
    else
    {
       	pSettings->scubberActiveId = 0;
    }


    snprintf(&text[0], 32,"%c \002#%d",TXT_ScrubTime,pSettings->scubberActiveId);
    tMenuEdit_newButtonText(StMXTRA_ScrubTimer, text);

    printScrubberResetText(text, pSettings);
    tMenuEdit_newButtonText(StMXTRA_ScrubTimer_Reset, text);

    tMenuEdit_newInput(StMXTRA_ScrubTimer_Max, pSettings->scrubberData[pSettings->scubberActiveId].TimerMax,  0,  0, 0);

    if(pSettings->scrubberData[pSettings->scubberActiveId].lastDive.WeekDay != 0)
    {
    	snprintf(&text[0], 32,"%c%c\002   %02d.%02d.%02d", TXT_2BYTE, TXT2BYTE_SimDiveTime, 	pSettings->scrubberData[pSettings->scubberActiveId].lastDive.Date,
																				pSettings->scrubberData[pSettings->scubberActiveId].lastDive.Month,
																				pSettings->scrubberData[pSettings->scubberActiveId].lastDive.Year);
    }
    else
    {
       	snprintf(&text[0], 32,"%c%c\002   --.--.--", TXT_2BYTE, TXT2BYTE_SimDiveTime);
    }
    clean_content(  20, 780, ME_Y_LINE4, &FontT48);
	write_label_var(  20, 780, ME_Y_LINE4, &FontT48, text);

    return UNSPECIFIC_RETURN;
}

static uint8_t OnAction_ScrubberTimerMax(uint32_t editId, uint8_t blockNumber, uint8_t digitNumber, uint8_t digitContent, uint8_t action)
{
    SSettings *pSettings;
    uint8_t digitContentNew = EXIT_TO_MENU;
    uint32_t newScrubberTime;

    if(action == ACTION_BUTTON_ENTER)
    {
        return digitContent;
    }
    if(action == ACTION_BUTTON_ENTER_FINAL)
    {
        evaluateNewString(editId, &newScrubberTime, 0, 0, 0);

        if(newScrubberTime > MAX_SCRUBBER_TIME)
        	newScrubberTime = MAX_SCRUBBER_TIME;

        pSettings = settingsGetPointer();
        pSettings->scrubberData[pSettings->scubberActiveId].TimerMax = newScrubberTime;
        if(pSettings->scrubberData[pSettings->scubberActiveId].TimerCur > newScrubberTime)
        {
        	pSettings->scrubberData[pSettings->scubberActiveId].TimerCur = newScrubberTime;
        }

        tMenuEdit_newInput(editId, newScrubberTime, 0, 0, 0);
        digitContentNew = UNSPECIFIC_RETURN;
    }
    if(action == ACTION_BUTTON_NEXT)
    {
        digitContentNew = digitContent + 1;
        if(digitContentNew > '9')
            digitContentNew = '0';
    }
    if(action == ACTION_BUTTON_BACK)
    {
        digitContentNew = digitContent - 1;
        if(digitContentNew < '0')
            digitContentNew = '9';
    }
    return digitContentNew;
}

uint8_t OnAction_ScrubberReset(uint32_t editId, uint8_t blockNumber, uint8_t digitNumber, uint8_t digitContent, uint8_t action)
{
	char text[32];
	SSettings *pSettings;
    pSettings = settingsGetPointer();
    pSettings->scrubberData[pSettings->scubberActiveId].TimerCur = pSettings->scrubberData[pSettings->scubberActiveId].TimerMax;
    pSettings->scrubberData[pSettings->scubberActiveId].lastDive.WeekDay = 0;	/* invalidate date */

    printScrubberResetText(text, pSettings);
    tMenuEdit_newButtonText(StMXTRA_ScrubTimer_Reset, text);

   	snprintf(&text[0], 32,"%c%c\002   --.--.--", TXT_2BYTE, TXT2BYTE_SimDiveTime);
   	clean_content(  20, 780, ME_Y_LINE4, &FontT48);
	write_label_var(  20, 780, ME_Y_LINE4, &FontT48, text);


    return UNSPECIFIC_RETURN;
}

uint8_t OnAction_ScrubberMode(uint32_t editId, uint8_t blockNumber, uint8_t digitNumber, uint8_t digitContent, uint8_t action)
{
	char text[32];
	uint8_t newMode;
	SSettings *pSettings;
    pSettings = settingsGetPointer();
    newMode = pSettings->scrubTimerMode + 1;
    if(newMode >= SCRUB_TIMER_END)
    {
   	 newMode = SCRUB_TIMER_OFF;
    }
    pSettings->scrubTimerMode = newMode;

   	switch(pSettings->scrubTimerMode)
    	{
    		case SCRUB_TIMER_OFF:
    		default: 	snprintf(&text[0], 32,"%c\002%c%c",TXT_ScrubTimeMode, TXT_2BYTE, TXT2BYTE_MoCtrlNone );
    			break;
    		case SCRUB_TIMER_MINUTES: snprintf(&text[0], 32,"%c\002%c",TXT_ScrubTimeMode, TXT_Minutes );
    			break;
    		case SCRUB_TIMER_PERCENT: snprintf(&text[0], 32,"%c\002%c",TXT_ScrubTimeMode, TXT_Percent );
    			break;
    	}
    tMenuEdit_newButtonText(StMXTRA_ScrubTimer_OP_Mode, text);

    return UNSPECIFIC_RETURN;
}

#ifdef ENABLE_PSCR_MODE
static uint8_t OnAction_PSCRO2Drop(uint32_t editId, uint8_t blockNumber, uint8_t digitNumber, uint8_t digitContent, uint8_t action)
{
    SSettings *pSettings;
    uint8_t digitContentNew = EXIT_TO_MENU;
    uint32_t newO2Drop;

    if(action == ACTION_BUTTON_ENTER)
    {
        return digitContent;
    }
    if(action == ACTION_BUTTON_ENTER_FINAL)
    {
        evaluateNewString(editId, &newO2Drop, 0, 0, 0);

        if(newO2Drop > PSCR_MAX_O2_DROP)
        	newO2Drop = PSCR_MAX_O2_DROP;

        pSettings = settingsGetPointer();
        pSettings->pscr_o2_drop = newO2Drop;

        tMenuEdit_newInput(editId, newO2Drop, 0, 0, 0);
        digitContentNew = UPDATE_DIVESETTINGS;
    }
    if(action == ACTION_BUTTON_NEXT)
    {
        digitContentNew = digitContent + 1;
        if(digitContentNew > '9')
            digitContentNew = '0';
    }
    if(action == ACTION_BUTTON_BACK)
    {
        digitContentNew = digitContent - 1;
        if(digitContentNew < '0')
            digitContentNew = '9';
    }
    return digitContentNew;
}

static uint8_t OnAction_PSCRLungRation(uint32_t editId, uint8_t blockNumber, uint8_t digitNumber, uint8_t digitContent, uint8_t action)
{
    SSettings *pSettings;
    uint8_t digitContentNew = EXIT_TO_MENU;
    uint32_t newLungRatio;

    if(action == ACTION_BUTTON_ENTER)
    {
        return digitContent;
    }
    if(action == ACTION_BUTTON_ENTER_FINAL)
    {
        evaluateNewString(editId, &newLungRatio, 0, 0, 0);

        if(newLungRatio > PSCR_MAX_LUNG_RATIO)
        	newLungRatio = PSCR_MAX_LUNG_RATIO;

        if(newLungRatio < PSCR_MIN_LUNG_RATIO)
        	newLungRatio = PSCR_MIN_LUNG_RATIO;

        pSettings = settingsGetPointer();
        pSettings->pscr_lung_ratio = newLungRatio;

        tMenuEdit_newInput(editId, newLungRatio, 0, 0, 0);
        digitContentNew = UPDATE_DIVESETTINGS;
    }
    if(action == ACTION_BUTTON_NEXT)
    {
        digitContentNew = digitContent + 1;
        if(digitContentNew > '9')
            digitContentNew = '0';
    }
    if(action == ACTION_BUTTON_BACK)
    {
        digitContentNew = digitContent - 1;
        if(digitContentNew < '0')
            digitContentNew = '9';
    }
    return digitContentNew;
}
#endif