author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
Mon, 19 Apr 2010 14:02:13 +0300 | |
changeset 0 | 16d8024aca5e |
child 1 | f7ac710697a9 |
permissions | -rw-r--r-- |
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/**************************************************************************** |
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** |
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** Copyright (C) 2008-2010 Nokia Corporation and/or its subsidiary(-ies). |
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** All rights reserved. |
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** Contact: Nokia Corporation (developer.feedback@nokia.com) |
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** |
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** This file is part of the HbCore module of the UI Extensions for Mobile. |
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** |
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** GNU Lesser General Public License Usage |
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** This file may be used under the terms of the GNU Lesser General Public |
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** License version 2.1 as published by the Free Software Foundation and |
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** appearing in the file LICENSE.LGPL included in the packaging of this file. |
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** Please review the following information to ensure the GNU Lesser General |
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** Public License version 2.1 requirements will be met: |
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** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. |
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** |
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** In addition, as a special exception, Nokia gives you certain additional |
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** rights. These rights are described in the Nokia Qt LGPL Exception |
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. |
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** |
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** If you have questions regarding the use of this file, please contact |
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** Nokia at developer.feedback@nokia.com. |
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** |
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****************************************************************************/ |
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#include "hbbatteryindicator_p.h" |
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#include "hbbatteryindicator_p_p.h" |
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#include "hbstyleoptionbatteryindicator_p.h" |
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#include <hbinstance.h> |
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/* |
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\class HbBatteryIndicator |
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\brief HbBatteryIndicator represents a battery indicator item. |
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The battery indicator shows approximately how much charge is left in the battery of the device. |
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It is created and managed by the HbIndicatorGroup which in turn is part of the HbMainWindow's |
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HbDecoratorGroup. |
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*/ |
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// 0-33% for low, 34-66% for medium and 67-100% for high |
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static const int batteryThreshold[] = {33, 66, 100}; |
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HbBatteryIndicatorPrivate::HbBatteryIndicatorPrivate() : |
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mLevelPercent(-1), |
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mBatteryBackgroundIcon(0), |
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mBatteryLevelIcon(0), |
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mBatteryIcon(0), |
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mSystemDeviceInfo(new HbSystemDeviceInfo()), |
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mChargingOn(false) |
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{ |
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} |
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HbBatteryIndicatorPrivate::~HbBatteryIndicatorPrivate() |
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{ |
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delete mSystemDeviceInfo; |
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} |
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void HbBatteryIndicatorPrivate::init() |
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{ |
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Q_Q(HbBatteryIndicator); |
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q->createPrimitives(); |
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} |
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/* |
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Handles signal for changing the power state. |
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*/ |
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void HbBatteryIndicatorPrivate::_q_setPowerState(HbSystemDeviceInfo::PowerState powerState) |
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{ |
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Q_Q(HbBatteryIndicator); |
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if (powerState == HbSystemDeviceInfo::WallPowerChargingBattery) { |
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q->setLevel(0); |
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mChargingOn = true; |
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if (mChargingTimer.isActive()) { |
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mChargingTimer.stop(); |
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} |
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mChargingTimer.start(250, q); |
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} else { |
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mChargingOn = false; |
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mChargingTimer.stop(); |
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q->setLevel(mSystemDeviceInfo->batteryLevel()); |
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} |
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} |
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// ======== MEMBER FUNCTIONS ======== |
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/* |
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Constructs a battery indicator with \a parent. |
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Also sets the default icon. |
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*/ |
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HbBatteryIndicator::HbBatteryIndicator(QGraphicsItem *parent) |
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: HbWidget(*new HbBatteryIndicatorPrivate, parent) |
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{ |
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Q_D(HbBatteryIndicator); |
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d->init(); |
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connect(d->mSystemDeviceInfo, SIGNAL(batteryLevelChanged(int)), this, SLOT(setLevel(int))); |
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connect(d->mSystemDeviceInfo, SIGNAL(powerStateChanged(HbSystemDeviceInfo::PowerState)), this, |
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SLOT(_q_setPowerState(HbSystemDeviceInfo::PowerState))); |
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} |
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/* |
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Destructor |
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*/ |
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HbBatteryIndicator::~HbBatteryIndicator() |
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107 |
{ |
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} |
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109 |
|
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110 |
|
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void HbBatteryIndicator::createPrimitives() |
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112 |
{ |
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Q_D(HbBatteryIndicator); |
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d->mBatteryIcon = style()->createPrimitive(HbStyle::P_BatteryIndicator_icon, this); |
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d->mBatteryBackgroundIcon = style()->createPrimitive(HbStyle::P_BatteryLevel_background, this); |
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d->mBatteryLevelIcon = style()->createPrimitive(HbStyle::P_BatteryLevel_icon, this); |
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} |
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118 |
|
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void HbBatteryIndicator::updatePrimitives() |
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120 |
{ |
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Q_D(HbBatteryIndicator); |
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HbStyleOptionBatteryIndicator option; |
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initStyleOption(&option); |
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style()->updatePrimitive(d->mBatteryIcon, HbStyle::P_BatteryIndicator_icon, &option); |
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style()->updatePrimitive(d->mBatteryBackgroundIcon, HbStyle::P_BatteryLevel_background, &option); |
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style()->updatePrimitive(d->mBatteryLevelIcon, HbStyle::P_BatteryLevel_icon, &option); |
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} |
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128 |
|
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int HbBatteryIndicator::level() const |
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{ |
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Q_D(const HbBatteryIndicator); |
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return d->mLevelPercent; |
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} |
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134 |
|
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/* |
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set battery strength level. \a level value should be between 0 and 100 |
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\a level value is ignored if out of range. |
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*/ |
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void HbBatteryIndicator::setLevel(int levelPercent) |
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{ |
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Q_D(HbBatteryIndicator); |
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if (levelPercent < 0 || levelPercent > 100 || d->mChargingOn) { |
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return; |
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} |
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145 |
|
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if (d->mLevelPercent != levelPercent) { |
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d->mLevelPercent = levelPercent; |
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updatePrimitives(); |
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} |
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} |
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151 |
|
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/* |
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\reimp |
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*/ |
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void HbBatteryIndicator::timerEvent(QTimerEvent *event) |
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{ |
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Q_D(HbBatteryIndicator); |
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if (event->timerId() == d->mChargingTimer.timerId()) { |
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int step(4); |
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int currentLevel = d->mSystemDeviceInfo->batteryLevel(); |
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if (currentLevel < batteryThreshold[0]) { |
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currentLevel = batteryThreshold[0] - 1; |
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step = 2; |
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} else if (currentLevel < batteryThreshold[1]) { |
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step = 3; |
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} |
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d->mChargingOn = false; |
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if (d->mLevelPercent < currentLevel) { |
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setLevel(d->mLevelPercent + step); |
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} else { |
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setLevel(0); |
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} |
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d->mChargingOn = true; |
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} |
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} |
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176 |
|
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void HbBatteryIndicator::initStyleOption(HbStyleOptionBatteryIndicator *option) const |
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{ |
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Q_D(const HbBatteryIndicator); |
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HbWidget::initStyleOption(option); |
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181 |
|
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//battery level setting |
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if (d->mLevelPercent >= 0 && d->mLevelPercent <= batteryThreshold[0]) { // low |
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option->batteryLevel = HbStyleOptionBatteryIndicator::Low; |
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} else if (d->mLevelPercent >= batteryThreshold[0] && |
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d->mLevelPercent <= batteryThreshold[1]) { // medium |
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option->batteryLevel = HbStyleOptionBatteryIndicator::Medium; |
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} else if (d->mLevelPercent >= batteryThreshold[1] && |
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d->mLevelPercent <= batteryThreshold[2]) { // high |
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option->batteryLevel = HbStyleOptionBatteryIndicator::Full; |
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} else { |
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option->batteryLevel = HbStyleOptionBatteryIndicator::Zero; |
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} |
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option->batteryValue = d->mLevelPercent; |
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} |
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196 |
|
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#include "moc_hbbatteryindicator_p.cpp" |