centralize and fixup example sources install targets
This follows suit with aeb036e in qtbase. Change-Id: Ie8580d0a1f38ab9858b0e44c9f99bdc552a1752a Reviewed-by: Oswald Buddenhagen <oswald.buddenhagen@digia.com> Reviewed-by: hjk <qthjk@ovi.com>
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Joerg Bornemann
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The Qt Project
The Qt Project
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205
examples/multimediawidgets/player/playercontrols.cpp
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205
examples/multimediawidgets/player/playercontrols.cpp
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/****************************************************************************
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**
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** Copyright (C) 2012 Digia Plc and/or its subsidiary(-ies).
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** Contact: http://www.qt-project.org/legal
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**
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** This file is part of the examples of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:BSD$
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** You may use this file under the terms of the BSD license as follows:
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**
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** "Redistribution and use in source and binary forms, with or without
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** modification, are permitted provided that the following conditions are
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** met:
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** * Redistributions of source code must retain the above copyright
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** notice, this list of conditions and the following disclaimer.
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** * Redistributions in binary form must reproduce the above copyright
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** notice, this list of conditions and the following disclaimer in
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** the documentation and/or other materials provided with the
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** distribution.
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** * Neither the name of Digia Plc and its Subsidiary(-ies) nor the names
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** of its contributors may be used to endorse or promote products derived
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** from this software without specific prior written permission.
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**
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**
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** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
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**
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#include "playercontrols.h"
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#include <QBoxLayout>
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#include <QSlider>
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#include <QStyle>
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#include <QToolButton>
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#include <QComboBox>
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PlayerControls::PlayerControls(QWidget *parent)
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: QWidget(parent)
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, playerState(QMediaPlayer::StoppedState)
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, playerMuted(false)
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, playButton(0)
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, stopButton(0)
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, nextButton(0)
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, previousButton(0)
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, muteButton(0)
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, volumeSlider(0)
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, rateBox(0)
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{
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playButton = new QToolButton(this);
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playButton->setIcon(style()->standardIcon(QStyle::SP_MediaPlay));
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connect(playButton, SIGNAL(clicked()), this, SLOT(playClicked()));
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stopButton = new QToolButton(this);
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stopButton->setIcon(style()->standardIcon(QStyle::SP_MediaStop));
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stopButton->setEnabled(false);
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connect(stopButton, SIGNAL(clicked()), this, SIGNAL(stop()));
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nextButton = new QToolButton(this);
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nextButton->setIcon(style()->standardIcon(QStyle::SP_MediaSkipForward));
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connect(nextButton, SIGNAL(clicked()), this, SIGNAL(next()));
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previousButton = new QToolButton(this);
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previousButton->setIcon(style()->standardIcon(QStyle::SP_MediaSkipBackward));
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connect(previousButton, SIGNAL(clicked()), this, SIGNAL(previous()));
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muteButton = new QToolButton(this);
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muteButton->setIcon(style()->standardIcon(QStyle::SP_MediaVolume));
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connect(muteButton, SIGNAL(clicked()), this, SLOT(muteClicked()));
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volumeSlider = new QSlider(Qt::Horizontal, this);
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volumeSlider->setRange(0, 100);
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connect(volumeSlider, SIGNAL(sliderMoved(int)), this, SIGNAL(changeVolume(int)));
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rateBox = new QComboBox(this);
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rateBox->addItem("0.5x", QVariant(0.5));
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rateBox->addItem("1.0x", QVariant(1.0));
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rateBox->addItem("2.0x", QVariant(2.0));
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rateBox->setCurrentIndex(1);
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connect(rateBox, SIGNAL(activated(int)), SLOT(updateRate()));
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QBoxLayout *layout = new QHBoxLayout;
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layout->setMargin(0);
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layout->addWidget(stopButton);
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layout->addWidget(previousButton);
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layout->addWidget(playButton);
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layout->addWidget(nextButton);
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layout->addWidget(muteButton);
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layout->addWidget(volumeSlider);
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layout->addWidget(rateBox);
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setLayout(layout);
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}
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QMediaPlayer::State PlayerControls::state() const
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{
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return playerState;
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}
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void PlayerControls::setState(QMediaPlayer::State state)
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{
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if (state != playerState) {
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playerState = state;
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switch (state) {
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case QMediaPlayer::StoppedState:
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stopButton->setEnabled(false);
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playButton->setIcon(style()->standardIcon(QStyle::SP_MediaPlay));
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break;
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case QMediaPlayer::PlayingState:
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stopButton->setEnabled(true);
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playButton->setIcon(style()->standardIcon(QStyle::SP_MediaPause));
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break;
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case QMediaPlayer::PausedState:
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stopButton->setEnabled(true);
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playButton->setIcon(style()->standardIcon(QStyle::SP_MediaPlay));
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break;
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}
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}
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}
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int PlayerControls::volume() const
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{
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return volumeSlider ? volumeSlider->value() : 0;
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}
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void PlayerControls::setVolume(int volume)
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{
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if (volumeSlider)
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volumeSlider->setValue(volume);
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}
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bool PlayerControls::isMuted() const
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{
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return playerMuted;
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}
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void PlayerControls::setMuted(bool muted)
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{
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if (muted != playerMuted) {
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playerMuted = muted;
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muteButton->setIcon(style()->standardIcon(muted
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? QStyle::SP_MediaVolumeMuted
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: QStyle::SP_MediaVolume));
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}
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}
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void PlayerControls::playClicked()
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{
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switch (playerState) {
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case QMediaPlayer::StoppedState:
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case QMediaPlayer::PausedState:
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emit play();
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break;
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case QMediaPlayer::PlayingState:
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emit pause();
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break;
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}
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}
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void PlayerControls::muteClicked()
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{
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emit changeMuting(!playerMuted);
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}
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qreal PlayerControls::playbackRate() const
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{
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return rateBox->itemData(rateBox->currentIndex()).toDouble();
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}
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void PlayerControls::setPlaybackRate(float rate)
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{
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for (int i = 0; i < rateBox->count(); ++i) {
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if (qFuzzyCompare(rate, float(rateBox->itemData(i).toDouble()))) {
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rateBox->setCurrentIndex(i);
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return;
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}
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}
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rateBox->addItem(QString("%1x").arg(rate), QVariant(rate));
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rateBox->setCurrentIndex(rateBox->count() - 1);
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}
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void PlayerControls::updateRate()
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{
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emit changeRate(playbackRate());
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}
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