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Diffstat (limited to 'examples/player/playercontrols.cpp')
| -rw-r--r-- | examples/player/playercontrols.cpp | 209 |
1 files changed, 0 insertions, 209 deletions
diff --git a/examples/player/playercontrols.cpp b/examples/player/playercontrols.cpp deleted file mode 100644 index d6239fd..0000000 --- a/examples/player/playercontrols.cpp +++ /dev/null @@ -1,209 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies). -** All rights reserved. -** Contact: Nokia Corporation (qt-info@nokia.com) -** -** This file is part of the examples of the Qt Toolkit. -** -** $QT_BEGIN_LICENSE:BSD$ -** You may use this file under the terms of the BSD license as follows: -** -** "Redistribution and use in source and binary forms, with or without -** modification, are permitted provided that the following conditions are -** met: -** * Redistributions of source code must retain the above copyright -** notice, this list of conditions and the following disclaimer. -** * Redistributions in binary form must reproduce the above copyright -** notice, this list of conditions and the following disclaimer in -** the documentation and/or other materials provided with the -** distribution. -** * Neither the name of Nokia Corporation and its Subsidiary(-ies) nor -** the names of its contributors may be used to endorse or promote -** products derived from this software without specific prior written -** permission. -** -** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS -** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT -** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR -** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT -** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, -** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT -** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, -** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY -** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT -** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE -** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE." -** $QT_END_LICENSE$ -** -****************************************************************************/ - -#include "playercontrols.h" - -#include <QtWidgets/qboxlayout.h> -#include <QtWidgets/qslider.h> -#include <QtWidgets/qstyle.h> -#include <QtWidgets/qtoolbutton.h> -#include <QtWidgets/qcombobox.h> - -PlayerControls::PlayerControls(QWidget *parent) - : QWidget(parent) - , playerState(QMediaPlayer::StoppedState) - , playerMuted(false) - , playButton(0) - , stopButton(0) - , nextButton(0) - , previousButton(0) - , muteButton(0) - , volumeSlider(0) - , rateBox(0) -{ - playButton = new QToolButton(this); - playButton->setIcon(style()->standardIcon(QStyle::SP_MediaPlay)); - - connect(playButton, SIGNAL(clicked()), this, SLOT(playClicked())); - - stopButton = new QToolButton(this); - stopButton->setIcon(style()->standardIcon(QStyle::SP_MediaStop)); - stopButton->setEnabled(false); - - connect(stopButton, SIGNAL(clicked()), this, SIGNAL(stop())); - - nextButton = new QToolButton(this); - nextButton->setIcon(style()->standardIcon(QStyle::SP_MediaSkipForward)); - - connect(nextButton, SIGNAL(clicked()), this, SIGNAL(next())); - - previousButton = new QToolButton(this); - previousButton->setIcon(style()->standardIcon(QStyle::SP_MediaSkipBackward)); - - connect(previousButton, SIGNAL(clicked()), this, SIGNAL(previous())); - - muteButton = new QToolButton(this); - muteButton->setIcon(style()->standardIcon(QStyle::SP_MediaVolume)); - - connect(muteButton, SIGNAL(clicked()), this, SLOT(muteClicked())); - - volumeSlider = new QSlider(Qt::Horizontal, this); - volumeSlider->setRange(0, 100); - - connect(volumeSlider, SIGNAL(sliderMoved(int)), this, SIGNAL(changeVolume(int))); - - - rateBox = new QComboBox(this); - rateBox->addItem("0.5x", QVariant(0.5)); - rateBox->addItem("1.0x", QVariant(1.0)); - rateBox->addItem("2.0x", QVariant(2.0)); - rateBox->setCurrentIndex(1); - - connect(rateBox, SIGNAL(activated(int)), SLOT(updateRate())); - - QBoxLayout *layout = new QHBoxLayout; - layout->setMargin(0); - layout->addWidget(stopButton); - layout->addWidget(previousButton); - layout->addWidget(playButton); - layout->addWidget(nextButton); - layout->addWidget(muteButton); - if (volumeSlider) - layout->addWidget(volumeSlider); - - if (rateBox) - layout->addWidget(rateBox); - setLayout(layout); -} - -QMediaPlayer::State PlayerControls::state() const -{ - return playerState; -} - -void PlayerControls::setState(QMediaPlayer::State state) -{ - if (state != playerState) { - playerState = state; - - switch (state) { - case QMediaPlayer::StoppedState: - stopButton->setEnabled(false); - playButton->setIcon(style()->standardIcon(QStyle::SP_MediaPlay)); - break; - case QMediaPlayer::PlayingState: - stopButton->setEnabled(true); - playButton->setIcon(style()->standardIcon(QStyle::SP_MediaPause)); - break; - case QMediaPlayer::PausedState: - stopButton->setEnabled(true); - playButton->setIcon(style()->standardIcon(QStyle::SP_MediaPlay)); - break; - } - } -} - -int PlayerControls::volume() const -{ - return volumeSlider ? volumeSlider->value() : 0; -} - -void PlayerControls::setVolume(int volume) -{ - if (volumeSlider) - volumeSlider->setValue(volume); -} - -bool PlayerControls::isMuted() const -{ - return playerMuted; -} - -void PlayerControls::setMuted(bool muted) -{ - if (muted != playerMuted) { - playerMuted = muted; - - muteButton->setIcon(style()->standardIcon(muted - ? QStyle::SP_MediaVolumeMuted - : QStyle::SP_MediaVolume)); - } -} - -void PlayerControls::playClicked() -{ - switch (playerState) { - case QMediaPlayer::StoppedState: - case QMediaPlayer::PausedState: - emit play(); - break; - case QMediaPlayer::PlayingState: - emit pause(); - break; - } -} - -void PlayerControls::muteClicked() -{ - emit changeMuting(!playerMuted); -} - -qreal PlayerControls::playbackRate() const -{ - return rateBox->itemData(rateBox->currentIndex()).toDouble(); -} - -void PlayerControls::setPlaybackRate(float rate) -{ - for (int i=0; i<rateBox->count(); i++) { - if (qFuzzyCompare(rate, float(rateBox->itemData(i).toDouble()))) { - rateBox->setCurrentIndex(i); - return; - } - } - - rateBox->addItem( QString("%1x").arg(rate), QVariant(rate)); - rateBox->setCurrentIndex(rateBox->count()-1); -} - -void PlayerControls::updateRate() -{ - emit changeRate(playbackRate()); -} |