diff options
Diffstat (limited to 'tests/manual/examples/widgets/widgets/movie/movieplayer.cpp')
-rw-r--r-- | tests/manual/examples/widgets/widgets/movie/movieplayer.cpp | 180 |
1 files changed, 180 insertions, 0 deletions
diff --git a/tests/manual/examples/widgets/widgets/movie/movieplayer.cpp b/tests/manual/examples/widgets/widgets/movie/movieplayer.cpp new file mode 100644 index 0000000000..6f6ec14bb1 --- /dev/null +++ b/tests/manual/examples/widgets/widgets/movie/movieplayer.cpp @@ -0,0 +1,180 @@ +// Copyright (C) 2016 The Qt Company Ltd. +// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause + +#include "movieplayer.h" + +#include <QCheckBox> +#include <QFileDialog> +#include <QLabel> +#include <QMovie> +#include <QSlider> +#include <QSpinBox> +#include <QStyle> +#include <QToolButton> +#include <QVBoxLayout> + +MoviePlayer::MoviePlayer(QWidget *parent) + : QWidget(parent) +{ + movie = new QMovie(this); + movie->setCacheMode(QMovie::CacheAll); + + movieLabel = new QLabel(tr("No movie loaded")); + movieLabel->setAlignment(Qt::AlignCenter); + movieLabel->setSizePolicy(QSizePolicy::Ignored, QSizePolicy::Ignored); + movieLabel->setBackgroundRole(QPalette::Dark); + movieLabel->setAutoFillBackground(true); + + currentMovieDirectory = "movies"; + + createControls(); + createButtons(); + + connect(movie, &QMovie::frameChanged, this, &MoviePlayer::updateFrameSlider); + connect(movie, &QMovie::stateChanged, this, &MoviePlayer::updateButtons); + connect(fitCheckBox, &QCheckBox::clicked, this, &MoviePlayer::fitToWindow); + connect(frameSlider, &QSlider::valueChanged, this, &MoviePlayer::goToFrame); + connect(speedSpinBox, &QSpinBox::valueChanged, + movie, &QMovie::setSpeed); + + mainLayout = new QVBoxLayout; + mainLayout->addWidget(movieLabel); + mainLayout->addLayout(controlsLayout); + mainLayout->addLayout(buttonsLayout); + setLayout(mainLayout); + + updateFrameSlider(); + updateButtons(); + + setWindowTitle(tr("Movie Player")); + resize(400, 400); +} + +void MoviePlayer::open() +{ + QString fileName = QFileDialog::getOpenFileName(this, tr("Open a Movie"), + currentMovieDirectory); + if (!fileName.isEmpty()) + openFile(fileName); +} + +void MoviePlayer::openFile(const QString &fileName) +{ + currentMovieDirectory = QFileInfo(fileName).path(); + + movie->stop(); + movieLabel->setMovie(movie); + movie->setFileName(fileName); + movie->start(); + + updateFrameSlider(); + updateButtons(); +} + +void MoviePlayer::goToFrame(int frame) +{ + movie->jumpToFrame(frame); +} + +void MoviePlayer::fitToWindow() +{ + movieLabel->setScaledContents(fitCheckBox->isChecked()); +} + +void MoviePlayer::updateFrameSlider() +{ + bool hasFrames = (movie->currentFrameNumber() >= 0); + + if (hasFrames) { + if (movie->frameCount() > 0) { + frameSlider->setMaximum(movie->frameCount() - 1); + } else { + if (movie->currentFrameNumber() > frameSlider->maximum()) + frameSlider->setMaximum(movie->currentFrameNumber()); + } + frameSlider->setValue(movie->currentFrameNumber()); + } else { + frameSlider->setMaximum(0); + } + frameLabel->setEnabled(hasFrames); + frameSlider->setEnabled(hasFrames); +} + +void MoviePlayer::updateButtons() +{ + playButton->setEnabled(movie->isValid() && movie->frameCount() != 1 + && movie->state() == QMovie::NotRunning); + pauseButton->setEnabled(movie->state() != QMovie::NotRunning); + pauseButton->setChecked(movie->state() == QMovie::Paused); + stopButton->setEnabled(movie->state() != QMovie::NotRunning); +} + +void MoviePlayer::createControls() +{ + fitCheckBox = new QCheckBox(tr("Fit to Window")); + + frameLabel = new QLabel(tr("Current frame:")); + + frameSlider = new QSlider(Qt::Horizontal); + frameSlider->setTickPosition(QSlider::TicksBelow); + frameSlider->setTickInterval(10); + + speedLabel = new QLabel(tr("Speed:")); + + speedSpinBox = new QSpinBox; + speedSpinBox->setRange(1, 9999); + speedSpinBox->setValue(100); + speedSpinBox->setSuffix(tr("%")); + + controlsLayout = new QGridLayout; + controlsLayout->addWidget(fitCheckBox, 0, 0, 1, 2); + controlsLayout->addWidget(frameLabel, 1, 0); + controlsLayout->addWidget(frameSlider, 1, 1, 1, 2); + controlsLayout->addWidget(speedLabel, 2, 0); + controlsLayout->addWidget(speedSpinBox, 2, 1); +} + +void MoviePlayer::createButtons() +{ + QSize iconSize(36, 36); + + openButton = new QToolButton; + openButton->setIcon(style()->standardIcon(QStyle::SP_DialogOpenButton)); + openButton->setIconSize(iconSize); + openButton->setToolTip(tr("Open File")); + connect(openButton, &QToolButton::clicked, this, &MoviePlayer::open); + + playButton = new QToolButton; + playButton->setIcon(style()->standardIcon(QStyle::SP_MediaPlay)); + playButton->setIconSize(iconSize); + playButton->setToolTip(tr("Play")); + connect(playButton, &QToolButton::clicked, movie, &QMovie::start); + + pauseButton = new QToolButton; + pauseButton->setCheckable(true); + pauseButton->setIcon(style()->standardIcon(QStyle::SP_MediaPause)); + pauseButton->setIconSize(iconSize); + pauseButton->setToolTip(tr("Pause")); + connect(pauseButton, &QToolButton::clicked, movie, &QMovie::setPaused); + + stopButton = new QToolButton; + stopButton->setIcon(style()->standardIcon(QStyle::SP_MediaStop)); + stopButton->setIconSize(iconSize); + stopButton->setToolTip(tr("Stop")); + connect(stopButton, &QToolButton::clicked, movie, &QMovie::stop); + + quitButton = new QToolButton; + quitButton->setIcon(style()->standardIcon(QStyle::SP_DialogCloseButton)); + quitButton->setIconSize(iconSize); + quitButton->setToolTip(tr("Quit")); + connect(quitButton, &QToolButton::clicked, this, &MoviePlayer::close); + + buttonsLayout = new QHBoxLayout; + buttonsLayout->addStretch(); + buttonsLayout->addWidget(openButton); + buttonsLayout->addWidget(playButton); + buttonsLayout->addWidget(pauseButton); + buttonsLayout->addWidget(stopButton); + buttonsLayout->addWidget(quitButton); + buttonsLayout->addStretch(); +} |