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/*
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* Copyright (c) 2008 Nokia Corporation and/or its subsidiary(-ies).
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* All rights reserved.
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* This component and the accompanying materials are made available
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* under the terms of "Eclipse Public License v1.0"
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* which accompanies this distribution, and is available
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* at the URL "http://www.eclipse.org/legal/epl-v10.html".
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*
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* Initial Contributors:
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* Nokia Corporation - initial contribution.
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*
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* Contributors:
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*
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* Description: AnalogClockWidget
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*
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*/
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// System includes
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#include <HbIconItem>
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#include <HbStyleLoader>
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#include <QTime>
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#include <QTimer>
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// User includes
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#include "analogclockwidget.h"
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// Constants
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const int clockUpdateInterval (1000); // msec
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/*!
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\class AnalogClockWidget
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This class implements the analogclock widget which gets displayed
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in the clockmainview when the clocktype is set to analog type.
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*/
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/*!
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Constructor.
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\param parent The parent of type QGraphicsItem.
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*/
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AnalogClockWidget::AnalogClockWidget(QGraphicsItem *parent) :
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HbWidget(parent)
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{
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bool result = HbStyleLoader::registerFilePath(
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":/resource/analogclockwidget.widgetml");
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result = HbStyleLoader::registerFilePath(
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":/resource/analogclockwidget.css");
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constructPrimitives();
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mTimer = new QTimer(this);
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connect(mTimer, SIGNAL(timeout()), SLOT(tick()));
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}
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/*!
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Destructor.
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*/
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AnalogClockWidget::~AnalogClockWidget()
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{
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mTimer->stop();
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HbStyleLoader::unregisterFilePath(":/resource/analogclockwidget.widgetml");
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HbStyleLoader::unregisterFilePath(":/resource/analogclockwidget.css");
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}
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/*!
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Constructs the widget primitive items.
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*/
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void AnalogClockWidget::constructPrimitives()
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{
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if (!mClockBackground) {
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mClockBackground = new HbIconItem(
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QLatin1String("qtg_graf_clock_day_bg"), this);
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HbStyle::setItemName(
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mClockBackground, QLatin1String("clock_background"));
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}
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if (!mClockHourHand) {
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mClockHourHand = new HbIconItem(
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QLatin1String("qtg_graf_clock_day_hour"), this);
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HbStyle::setItemName(
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mClockHourHand, QLatin1String("clock_hour_hand"));
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}
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if (!mClockMinuteHand) {
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mClockMinuteHand = new HbIconItem(
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QLatin1String("qtg_graf_clock_day_min"), this);
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HbStyle::setItemName(
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mClockMinuteHand, QLatin1String("clock_minute_hand"));
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}
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if (!mClockSecondHand) {
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mClockSecondHand = new HbIconItem(
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QLatin1String("qtg_graf_clock_day_sec"), this);
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HbStyle::setItemName(
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mClockSecondHand, QLatin1String("clock_second_hand"));
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}
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}
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/*!
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Called on the derived classes to notify in cases when
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the style primitives need to be updated.
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*/
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void AnalogClockWidget::updatePrimitives()
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{
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if (!mClockBackground) {
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mClockBackground = new HbIconItem(
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QLatin1String("qtg_graf_clock_day_bg"), this);
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HbStyle::setItemName(
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mClockBackground, QLatin1String("clock_background"));
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}
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if (!mClockHourHand) {
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mClockHourHand = new HbIconItem(
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QLatin1String("qtg_graf_clock_day_hour"), this);
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HbStyle::setItemName(
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mClockHourHand, QLatin1String("clock_hour_hand"));
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}
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if (!mClockMinuteHand) {
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mClockMinuteHand = new HbIconItem(
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QLatin1String("qtg_graf_clock_day_min"), this);
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HbStyle::setItemName(
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mClockMinuteHand, QLatin1String("clock_minute_hand"));
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}
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if (!mClockSecondHand) {
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mClockSecondHand = new HbIconItem(
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QLatin1String("qtg_graf_clock_day_sec"), this);
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HbStyle::setItemName(
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mClockSecondHand, QLatin1String("clock_second_hand"));
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}
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QRectF hourHandGeometry = mClockHourHand->geometry();
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QRectF minHandGeometry = mClockMinuteHand->geometry();
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QRectF secHandGeometry = mClockSecondHand->geometry();
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if ((hourHandGeometry.width() && hourHandGeometry.height()) &&
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(minHandGeometry.width() && minHandGeometry.height()) &&
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(secHandGeometry.width() && secHandGeometry.height())) {
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// Calculate angles for clock hands.
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QTime curTime = QTime::currentTime();
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qreal seconds = 6 * curTime.second();
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qreal minutes = 6 * (curTime.minute() + seconds / 360);
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qreal hours = 30 * ((curTime.hour() % 12) + minutes / 360);
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int x = hourHandGeometry.width()/2;
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int y = hourHandGeometry.height()/2;
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mClockHourHand->setTransform(
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QTransform().translate(x, y).rotate(hours).translate(-x, -y));
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x = minHandGeometry.width()/2;
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y = minHandGeometry.height()/2;
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mClockMinuteHand->setTransform(
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QTransform().translate(x, y).rotate(minutes).translate(-x, -y));
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x = secHandGeometry.width()/2;
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y = secHandGeometry.height()/2;
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mClockSecondHand->setTransform(
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QTransform().translate(x, y).rotate(seconds).translate(-x, -y));
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}
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if (!mTimer->isActive()) {
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mTimer->start(clockUpdateInterval);
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}
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}
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/*!
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Updates clock visualization according to current time.
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*/
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void AnalogClockWidget::tick()
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{
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updatePrimitives();
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update();
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}
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/*!
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Sets the item's geometry to rect.
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*/
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void AnalogClockWidget::setGeometry(const QRectF &rect)
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{
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HbWidget::setGeometry(rect);
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updatePrimitives();
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}
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// End of file --Don't remove this.
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