2022-12-05 23:53:37 +03:00
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#include "mainwindow.h"
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#include "ui_mainwindow.h"
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MainWindow::MainWindow(QWidget *parent) :
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QMainWindow(parent),
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ui(new Ui::MainWindow)
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{
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ui->setupUi(this);
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QMenuBar *menuBar = new QMenuBar();
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m_menuFile = menuBar->addMenu("&File");
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m_openAction = new QAction("&Open");
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m_openAction->setStatusTip(tr("Open a document"));
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m_menuFile->addAction(m_openAction);
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m_menuFile->addSeparator();
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m_quitAction = new QAction("&Quit");
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m_quitAction->setShortcut(tr("CTRL+Q"));
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m_quitAction->setStatusTip(tr("Quit application"));
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m_menuFile->addAction(m_quitAction);
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connect(this->m_openAction, &QAction::triggered, this, &MainWindow::slotOpenAction);
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connect(this->m_quitAction, &QAction::triggered, qApp, &QApplication::quit);
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this->setMenuBar(menuBar);
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2022-12-07 16:55:19 +03:00
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this->resize(800, 600);
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2022-12-05 23:53:37 +03:00
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show();
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}
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MainWindow::~MainWindow()
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{
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delete ui;
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}
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2022-12-07 16:55:19 +03:00
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void MainWindow::delay(int delay) {
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QTime dieTime= QTime::currentTime().addSecs(delay);
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while (QTime::currentTime() < dieTime)
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QCoreApplication::processEvents(QEventLoop::AllEvents, 100);
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}
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2022-12-05 23:53:37 +03:00
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void MainWindow::slotOpenAction() {
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m_filename = QFileDialog::getOpenFileName(
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2022-12-07 16:55:19 +03:00
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this, tr("Выберите файл"), "../", tr("MPEG (*.mpeg) ;; PDF (*.pdf) ;; DOCX (*.docx) ;; XLSX (*.xlsx) ;; PPTX (*.pptx)"));
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if (m_filename != "") {
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if (axObj) {
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qDebug() << "Close file!\n";
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closeFile();
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}
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if (m_videoWidget) {
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qDebug() << "Close MPEG!\n";
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closeMPEG();
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}
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2022-12-05 23:53:37 +03:00
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if (m_filename.endsWith(".pdf")) {
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openPDF(m_filename);
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} else if (m_filename.endsWith(".pptx")) {
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openPPTX(m_filename);
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} else if (m_filename.endsWith(".docx")) {
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openDOCX(m_filename);
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} else if (m_filename.endsWith(".xlsx")) {
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openXLSX(m_filename);
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2022-12-07 16:55:19 +03:00
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} else if (m_filename.endsWith(".mpeg")) {
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openMPEG(m_filename);
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2022-12-05 23:53:37 +03:00
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}
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}
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}
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void MainWindow::closeFile() {
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if (axObj != nullptr) {
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QProcess process;
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QString strCmd;
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strCmd = "taskkill /im winword.exe /f";
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process.execute(strCmd);
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strCmd = "taskkill /im EXCEL.exe /f";
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process.execute(strCmd);
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strCmd = "taskkill /im POWERPNT.exe /f";
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process.execute(strCmd);
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strCmd = "taskkill /im AcroRd32.exe /f";
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process.execute(strCmd);
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process.close();
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axObj->close();
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axObj->clear();
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delete axObj;
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axObj = nullptr;
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qDebug() << "file closed!";
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2022-12-05 23:53:37 +03:00
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}
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}
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void MainWindow::openPDF(QString &filename) {
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axObj = new QAxWidget(this);
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setCentralWidget(axObj);
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if(!axObj->setControl("Adobe PDF Reader"))
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QMessageBox::critical(this, "Error", "Make sure you have Adobe Reader (and its ActiveX) installed!");
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axObj->dynamicCall("LoadFile(QString)", filename);
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}
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/* run slideshow */
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void MainWindow::playPPTX() {
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// Open parameter
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QList<QVariant> param_list;
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axObj->setControl("PowerPoint.Application");
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param_list.append(m_filename);
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param_list.append(1);
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param_list.append(1);
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param_list.append(0);
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// Open a template file
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QAxObject *presentations = axObj->querySubObject("Presentations");
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QAxObject *presentation = presentations->querySubObject("Open(const QString&,int,int,int)", param_list);
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// Start the slides
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QAxObject *slideshow = presentation->querySubObject("SlideShowSettings");
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slideshow->setProperty("RangeType", "ppShowAll");
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slideshow->dynamicCall("run()");
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}
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2022-12-05 23:53:37 +03:00
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void MainWindow::openPPTX(QString &filename) {
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/* инициализация окна виджетом */
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m_wideWidget = new QWidget;
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setCentralWidget(m_wideWidget);
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qDebug() << "1";
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/* здесь будут элементы управления и окно проигрывателя (выравнивание по горизонтали) */
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m_qvBoxLayout = new QVBoxLayout(m_wideWidget);
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axObj = new QAxWidget("PowerPoint.Application", m_wideWidget);
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m_btnPlay = new QPushButton("Начать презентацию");
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qDebug() << "2";
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m_qvBoxLayout->addWidget(axObj);
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m_qvBoxLayout->addWidget(m_btnPlay);
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if (axObj == nullptr) {
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return;
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}
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if (!axObj->setControl(filename)) {
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return;
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}
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axObj->dynamicCall("LoadFile(const QString&)", filename);
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axObj->dynamicCall("SetVisible (bool Visible)", "false");
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axObj->setProperty("DisplayAlerts", false);
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axObj->setProperty("DisplayScrollBars", true);
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delay(1);
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axObj->show();
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axObj->raise();
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qDebug() << "3";
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connect(this->m_btnPlay, &QPushButton::clicked, this, &MainWindow::playPPTX);
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2022-12-05 23:53:37 +03:00
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}
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void MainWindow::openXLSX(QString &filename) {
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axObj = new QAxWidget("Excel.Application", this);
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setCentralWidget(axObj);
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if (axObj == nullptr) {
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return;
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}
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axObj->dynamicCall("SetVisible (bool Visible)", "false");
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axObj->setProperty("DisplayAlerts", false);
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axObj->setProperty("DisplayScrollBars", true); // Show scroll bar
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axObj->setGeometry(this->geometry());
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axObj->setControl(filename);
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axObj->show();
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}
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void MainWindow::openDOCX(QString &filename) {
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axObj = new QAxWidget("Word.Application", this);
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setCentralWidget(axObj);
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if (axObj == nullptr) {
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return;
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}
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axObj->dynamicCall("SetVisible (bool Visible)", "false");
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axObj->setFocusPolicy(Qt::StrongFocus);
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axObj->setProperty("DisplayAlerts", false);
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axObj->setProperty("DisplayHorizontalScrollBar", true); // Show scroll bar
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axObj->setGeometry(this->geometry());
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axObj->setControl(filename);
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axObj->show();
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}
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/* продолжить проигрывать видео */
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void MainWindow::playVideo() {
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m_player->setPosition(m_position);
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m_player->play();
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}
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/* остановка видео */
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void MainWindow::stopVideo() {
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m_player->stop();
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}
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/* пауза видео */
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void MainWindow::pauseVideo() {
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m_player->pause();
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}
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/* событие при изменении состояния видеопроигрывателя */
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void MainWindow::updateState(int state) {
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switch (state) {
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case QMediaPlayer::PlayingState:
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/* media is played */
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break;
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case QMediaPlayer::PausedState:
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/* media paused */
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break;
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case QMediaPlayer::StoppedState:
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/* media is stopped */
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break;
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}
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}
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/* принудительно изменить время проигрывания */
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void MainWindow::changePosition() {
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m_position = m_sliderVideo->value();
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m_player->setPosition(m_position);
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}
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/* принудительно изменить время проигрывания */
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void MainWindow::updatePosition(qint64 position) {
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m_position = position;
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m_sliderVideo->setValue(m_position);
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}
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/* изменить величину звука */
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void MainWindow::changeVolume(int volume) {
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m_player->setVolume(volume);
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}
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/* слот для иницализации значением слайдера видео */
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void MainWindow::updateDuration(qint64 duration) {
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m_sliderVideo->setRange(0, m_player->duration());
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m_sliderVideo->setEnabled(duration > 0);
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m_sliderVideo->setPageStep(duration / 10);
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}
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/* инициализация медиа файла */
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void MainWindow::openMPEG(QString &filename) {
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/* инициализация окна виджетом */
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m_wideWidget = new QWidget;
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setCentralWidget(m_wideWidget);
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/* здесь будут элементы управления и окно проигрывателя (выравнивание по горизонтали) */
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m_qvBoxLayout = new QVBoxLayout(m_wideWidget);
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/* область для отображения видео */
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m_videoWidget = new QVideoWidget;
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m_player = new QMediaPlayer(m_videoWidget);
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m_player->setVideoOutput(m_videoWidget);
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m_player->setMedia(QUrl::fromLocalFile(filename));
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/* область размещения кнопок управления видео */
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m_hBtnsLayout = new QHBoxLayout;
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m_play = new QPushButton("Play");
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m_stop = new QPushButton("Stop");
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m_pause = new QPushButton("Pause");
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m_sliderVolume = new QSlider(Qt::Horizontal);
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m_sliderVolume->setRange(0, 100); // диапазон значений громкости
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m_sliderVolume->setValue(50); // текущая громкость 50%
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m_sliderVideo = new QSlider(Qt::Horizontal);
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m_hBtnsLayout->addWidget(m_play, 1);
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m_hBtnsLayout->addWidget(m_stop, 1);
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m_hBtnsLayout->addWidget(m_pause, 1);
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m_hBtnsLayout->addWidget(&m_labelVolume);
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m_hBtnsLayout->addWidget(m_sliderVolume, 1);
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m_hBtnsLayout->addWidget(&m_labelScroll);
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m_hBtnsLayout->addWidget(m_sliderVideo, 5);
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/* поместить настроенные объекты в центральный виджет */
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m_qvBoxLayout->addWidget(m_videoWidget);
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m_qvBoxLayout->addLayout(m_hBtnsLayout);
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/* связать слоты */
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connect(this->m_play, &QPushButton::clicked, this, &MainWindow::playVideo);
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connect(this->m_stop, &QPushButton::clicked, this, &MainWindow::stopVideo);
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connect(this->m_pause, &QPushButton::clicked, this, &MainWindow::pauseVideo);
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connect(this->m_sliderVolume, &QSlider::sliderMoved, this, &MainWindow::changeVolume);
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connect(this->m_sliderVideo, &QSlider::sliderMoved, this, &MainWindow::changePosition);
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connect(this->m_sliderVideo, &QSlider::valueChanged, this, &MainWindow::changePosition);
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connect(this->m_player, &QMediaPlayer::durationChanged, this, &MainWindow::updateDuration);
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connect(this->m_player, &QMediaPlayer::positionChanged, this, &MainWindow::updatePosition);
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connect(this->m_player, &QMediaPlayer::stateChanged, this, &MainWindow::updateState);
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/* начать проигрывать видео */
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playVideo();
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}
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void MainWindow::closeMPEG() {
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/* отключение всех слотов */
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disconnect(this->m_play, &QPushButton::clicked, this, &MainWindow::playVideo);
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disconnect(this->m_stop, &QPushButton::clicked, this, &MainWindow::stopVideo);
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disconnect(this->m_pause, &QPushButton::clicked, this, &MainWindow::pauseVideo);
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disconnect(this->m_sliderVolume, &QSlider::sliderMoved, this, &MainWindow::changeVolume);
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disconnect(this->m_sliderVideo, &QSlider::sliderMoved, this, &MainWindow::changePosition);
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disconnect(this->m_sliderVideo, &QSlider::sliderPressed, this, &MainWindow::changePosition);
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disconnect(this->m_player, &QMediaPlayer::durationChanged, this, &MainWindow::updateDuration);
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disconnect(this->m_player, &QMediaPlayer::positionChanged, this, &MainWindow::updatePosition);
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disconnect(this->m_player, &QMediaPlayer::stateChanged, this, &MainWindow::updateState);
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/* удаление динамических объектов */
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delete m_sliderVideo;
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delete m_sliderVolume;
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delete m_play;
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delete m_stop;
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delete m_pause;
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delete m_hBtnsLayout;
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delete m_player;
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delete m_videoWidget;
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delete m_qvBoxLayout;
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}
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