screensaver/snsrplugins/snsrbigclockscreensaverplugin/snsrclockwidgets/src/snsranalogclockwidget.cpp
/*
* Copyright (c) 2009-2010 Nokia Corporation and/or its subsidiary(-ies).
* All rights reserved.
* This component and the accompanying materials are made available
* under the terms of "Eclipse Public License v1.0"
* which accompanies this distribution, and is available
* at the URL "http://www.eclipse.org/legal/epl-v10.html".
*
* Initial Contributors:
* Nokia Corporation - initial contribution.
*
* Contributors:
*
* Description: Analog Clock Widget.
*
*/
#include "snsranalogclockwidget.h"
#include <QGraphicsSvgItem>
#include <QTime>
#include <QDebug>
#include <HbExtendedLocale>
#include <HbStyleLoader>
#include <HbIconItem>
#include <HbEvent>
#include <HbColorScheme>
#include <HbTextItem>
const char *gClockCssFilePath =":/style/snsranalogclockwidget.css";
const char *gClockWidgetMLFilePath = ":/style/snsranalogclockwidget.widgetml";
const QString amPmLabelTextColorRole("qtc_screensaver_analog_clock");
/*!
\class SnsrAnalogClockWidget
\ingroup group_snsrbigclockscreensaverprovider
\brief Screensaver analog clock widget.
*/
/*!
Constructs a new SnsrAnalogClockWidget.
\param parent Parent object.
*/
SnsrAnalogClockWidget::SnsrAnalogClockWidget(QGraphicsItem* parent):
HbWidget(parent),
mClockBackground(0), mClockHourHand(0),
mClockMinuteHand(0), mClockSecondHand(0),
mClockAmPmLabel(0)
{
HbStyleLoader::registerFilePath(gClockCssFilePath);
HbStyleLoader::registerFilePath(gClockWidgetMLFilePath);
createPrimitives();
updatePrimitives();
}
/*!
Destructs the class.
*/
SnsrAnalogClockWidget::~SnsrAnalogClockWidget()
{
HbStyleLoader::unregisterFilePath( gClockCssFilePath );
HbStyleLoader::unregisterFilePath( gClockWidgetMLFilePath );
}
void SnsrAnalogClockWidget::polish( HbStyleParameters& params )
{
// TODO: updatePrimitives might not be needed to be called from here anymore (hb changes)?
HbWidget::polish(params);
updatePrimitives();
}
/*!
@copydoc HbWidget::resizeEvent()
*/
void SnsrAnalogClockWidget::resizeEvent(QGraphicsSceneResizeEvent *event)
{
HbWidget::resizeEvent(event);
updatePrimitives();
}
/*!
Creates all widget primitives.
*/
void SnsrAnalogClockWidget::createPrimitives()
{
if (!mClockBackground) {
mClockBackground = new HbIconItem(QLatin1String("qtg_graf_bigclock_analogue_face"), this);
HbStyle::setItemName(mClockBackground, QLatin1String("analog_clock_background"));
}
if (!mClockHourHand) {
mClockHourHand = new HbIconItem(QLatin1String("qtg_graf_bigclock_analogue_hours"), this);
HbStyle::setItemName(mClockHourHand, QLatin1String("analog_clock_hour_hand"));
}
if (!mClockMinuteHand) {
mClockMinuteHand = new HbIconItem(QLatin1String("qtg_graf_bigclock_analogue_minutes"), this);
HbStyle::setItemName(mClockMinuteHand, QLatin1String("analog_clock_minute_hand"));
}
if (!mClockSecondHand) {
mClockSecondHand = new HbIconItem(QLatin1String("qtg_graf_bigclock_analogue_seconds"), this);
HbStyle::setItemName(mClockSecondHand, QLatin1String("analog_clock_second_hand"));
}
if (!mClockAmPmLabel) {
mClockAmPmLabel = new HbTextItem(this);
HbStyle::setItemName(mClockAmPmLabel, QLatin1String("analog_clock_am_pm_label"));
mClockAmPmLabel->setTextColor(HbColorScheme::color(amPmLabelTextColorRole));
mClockAmPmLabel->setMinimumLines(1);
mClockAmPmLabel->setMaximumLines(1);
mClockAmPmLabel->setTextWrapping(Hb::TextNoWrap);
HbFontSpec textFont(HbFontSpec::Primary);
qreal textHeight = 0;
style()->parameter(QLatin1String("hb-param-text-height-tiny"), textHeight);
textFont.setTextHeight(textHeight);
mClockAmPmLabel->setFontSpec(textFont);
}
}
/*!
@copydoc HbWidget::updatePrimitives()
*/
void SnsrAnalogClockWidget::updatePrimitives()
{
if (!mClockHourHand || !mClockMinuteHand || !mClockSecondHand || !mClockAmPmLabel) {
createPrimitives();
}
// Calculate angles for clock hands.
QTime time = QTime::currentTime();
qreal s = 6 * time.second();
qreal m = 6 * (time.minute() + s/360);
qreal h = 30 * ((time.hour() % 12) + m/360);
int x = mClockHourHand->preferredSize().width()/2;
int y = mClockHourHand->preferredSize().height()/2;
mClockHourHand->setTransform(QTransform().translate(x, y).rotate(h).translate(-x, -y));
x = mClockMinuteHand->preferredSize().width()/2;
y = mClockMinuteHand->preferredSize().height()/2;
mClockMinuteHand->setTransform(QTransform().translate(x, y).rotate(m).translate(-x, -y));
x = mClockSecondHand->preferredSize().width()/2;
y = mClockSecondHand->preferredSize().height()/2;
mClockSecondHand->setTransform(QTransform().translate(x, y).rotate(s).translate(-x, -y));
QString amPmString = (time.hour()<12) ? HbExtendedLocale().amText() : HbExtendedLocale().pmText();
mClockAmPmLabel->setText( amPmString );
}
/*!
Updates primitives when time change.
*/
void SnsrAnalogClockWidget::tick()
{
updatePrimitives();
}
/*!
\reimp
*/
void SnsrAnalogClockWidget::changeEvent(QEvent * event)
{
if (event->type() == HbEvent::ThemeChanged) {
mClockAmPmLabel->setTextColor(HbColorScheme::color(amPmLabelTextColorRole));
}
return HbWidget::changeEvent(event);
}