404 lines
10 KiB
C++
404 lines
10 KiB
C++
#include "mainwindow.h"
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#include "ui_mainwindow.h"
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/*
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* TODO
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* o should we use tick marks in QSlider?
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*/
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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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/* connect to remote client */
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interface = new OurInterface();
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if (interface->oneTimeInit())
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{
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oneTimeInitSuccess = false;
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/* connection to remote client failed; error msg has */
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/* already been displayed so it's ok to close app now */
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QTimer::singleShot(1000, qApp, SLOT(quit()));
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}
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oneTimeInitSuccess = true;
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remoteClientInited = false;
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ui->setupUi(this);
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acceptSliderMove = false;
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setupUI();
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vcrFlag = 0;
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connect(this, SIGNAL(onGeometryChanged(int,int,int,int)),
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interface, SLOT(onGeometryChanged(int,int,int,int)));
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connect(interface, SIGNAL(onMediaDurationInSeconds(int)),
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this, SLOT(onMediaDurationInSeconds(int)));
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}
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MainWindow::~MainWindow()
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{
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if (oneTimeInitSuccess)
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delete ui;
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}
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void MainWindow::closeEvent(QCloseEvent *event)
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{
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event->accept();
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}
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void MainWindow::resizeEvent(QResizeEvent *)
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{
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QRect rect;
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getVdoGeometry(&rect);
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interface->sendGeometry(rect);
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}
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void MainWindow::moveEvent(QMoveEvent *)
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{
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QRect rect;
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getVdoGeometry(&rect);
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interface->sendGeometry(rect);
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}
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void MainWindow::setupUI()
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{
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/* setup area to display video */
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lblVideo = new QLabel();
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lblVideo->setMinimumWidth(320);
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lblVideo->setMinimumHeight(200);
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QPalette palette = lblVideo->palette();
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palette.setColor(lblVideo->backgroundRole(), Qt::black);
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palette.setColor(lblVideo->foregroundRole(), Qt::black);
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lblVideo->setAutoFillBackground(true);
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lblVideo->setPalette(palette);
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hboxLayoutTop = new QHBoxLayout;
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hboxLayoutTop->addWidget(lblVideo);
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/* setup label to display current pos in media */
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lblCurrentPos = new QLabel("00:00:00");
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lblCurrentPos->setMinimumHeight(20);
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lblCurrentPos->setMaximumHeight(20);
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/* setup slider to seek into media */
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slider = new QSlider();
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slider->setOrientation(Qt::Horizontal);
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slider->setMinimumHeight(20);
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slider->setMaximumHeight(20);
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connect(slider, SIGNAL(actionTriggered(int)), this, SLOT(onSliderActionTriggered(int)));
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connect(slider, SIGNAL(valueChanged(int)), this, SLOT(onSliderValueChanged(int)));
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/* setup label to display media duration */
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lblDuration = new QLabel("00:00:00");
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lblDuration->setMinimumHeight(20);
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lblDuration->setMaximumHeight(20);
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/* add above three widgets to mid layout */
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hboxLayoutMiddle = new QHBoxLayout;
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hboxLayoutMiddle->addWidget(lblCurrentPos);
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hboxLayoutMiddle->addWidget(slider);
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hboxLayoutMiddle->addWidget(lblDuration);
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/* setup play button */
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btnPlay = new QPushButton("Play");
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btnPlay->setMinimumHeight(40);
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btnPlay->setMaximumHeight(40);
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btnPlay->setMinimumWidth(40);
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btnPlay->setMaximumWidth(40);
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btnPlay->setCheckable(true);
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connect(btnPlay, SIGNAL(clicked(bool)),
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this, SLOT(onBtnPlayClicked(bool)));
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/* setup stop button */
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btnStop = new QPushButton("Stop");
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btnStop->setMinimumHeight(40);
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btnStop->setMaximumHeight(40);
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btnStop->setMinimumWidth(40);
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btnStop->setMaximumWidth(40);
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connect(btnStop, SIGNAL(clicked(bool)),
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this, SLOT(onBtnStopClicked(bool)));
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/* setup rewind button */
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btnRewind = new QPushButton("R");
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btnRewind->setMinimumHeight(40);
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btnRewind->setMaximumHeight(40);
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btnRewind->setMinimumWidth(40);
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btnRewind->setMaximumWidth(40);
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connect(btnRewind, SIGNAL(clicked(bool)),
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this, SLOT(onBtnRewindClicked(bool)));
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/* add buttons to bottom panel */
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hboxLayoutBottom = new QHBoxLayout;
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hboxLayoutBottom->addWidget(btnPlay);
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hboxLayoutBottom->addWidget(btnStop);
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//hboxLayoutBottom->addWidget(btnRewind);
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hboxLayoutBottom->addStretch();
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/* add all three layouts to one vertical layout */
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vboxLayout = new QVBoxLayout;
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vboxLayout->addLayout(hboxLayoutTop);
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vboxLayout->addLayout(hboxLayoutMiddle);
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vboxLayout->addLayout(hboxLayoutBottom);
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/* add all of them to central widget */
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window = new QWidget;
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window->setLayout(vboxLayout);
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this->setCentralWidget(window);
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}
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void MainWindow::openMediaFile()
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{
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/* TODO take last stored value from QSettings */
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if (filename.length() == 0)
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{
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/* no previous selection - open user's home folder TODO */
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// TODO filename = QFileDialog::getOpenFileName(this, "Select Media File", "/");
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filename = QFileDialog::getOpenFileName(this, "Select Media File", "/home/lk/vbox_share");
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}
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else
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{
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/* show last selected file */
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filename = QFileDialog::getOpenFileName(this, "Select Media File",
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filename);
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}
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interface->setFilename(filename);
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}
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void MainWindow::getVdoGeometry(QRect *rect)
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{
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int x = geometry().x() + lblVideo->geometry().x();
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int y = pos().y() + lblVideo->geometry().y() +
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ui->mainToolBar->geometry().height() * 4 + 10;
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rect->setX(x);
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rect->setY(y);
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rect->setWidth(lblVideo->geometry().width());
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rect->setHeight(lblVideo->geometry().height());
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}
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void MainWindow::clearDisplay()
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{
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QPixmap pixmap(100,100);
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pixmap.fill(QColor(0x00, 0x00, 0x00));
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QPainter painter(&pixmap);
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painter.setBrush(QBrush(Qt::black));
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lblVideo->setPixmap(pixmap);
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}
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/*******************************************************************************
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* actions and slots go here *
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******************************************************************************/
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void MainWindow::on_actionOpen_Media_File_triggered()
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{
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if (vcrFlag != 0)
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onBtnStopClicked(false);
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openMediaFile();
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if (filename.length() == 0)
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{
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/* cancel btn was clicked */
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return;
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}
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if (remoteClientInited)
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{
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remoteClientInited = false;
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interface->deInitRemoteClient();
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interface->initRemoteClient();
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}
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else
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{
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interface->initRemoteClient();
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}
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playVideo = interface->getPlayVideoInstance();
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if (playVideo)
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{
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connect(playVideo, SIGNAL(onElapsedtime(int)),
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this, SLOT(onElapsedTime(int)));
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}
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remoteClientInited = true;
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interface->playMedia();
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if (vcrFlag != 0)
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{
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interface->setVcrOp(VCR_PLAY);
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btnPlay->setText("Pause");
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vcrFlag = VCR_PLAY;
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}
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}
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void MainWindow::on_actionExit_triggered()
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{
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clearDisplay();
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this->close();
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}
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void MainWindow::onBtnPlayClicked(bool)
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{
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if (vcrFlag == 0)
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{
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/* first time play button has been clicked */
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on_actionOpen_Media_File_triggered();
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btnPlay->setText("Pause");
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vcrFlag = VCR_PLAY;
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}
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else if (vcrFlag == VCR_PLAY)
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{
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/* btn clicked while in play mode - enter pause mode */
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btnPlay->setText("Play");
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interface->setVcrOp(VCR_PAUSE);
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vcrFlag = VCR_PAUSE;
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}
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else if (vcrFlag == VCR_PAUSE)
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{
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/* btn clicked while in pause mode - enter play mode */
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btnPlay->setText("Pause");
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interface->setVcrOp(VCR_PLAY);
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vcrFlag = VCR_PLAY;
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}
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else if (vcrFlag == VCR_STOP)
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{
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/* btn clicked while stopped - enter play mode */
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btnPlay->setText("Play");
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interface->setVcrOp(VCR_PLAY);
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vcrFlag = VCR_PLAY;
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}
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}
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void MainWindow::onBtnRewindClicked(bool)
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{
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if (playVideo)
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playVideo->onMediaSeek(0);
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}
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void MainWindow::onBtnStopClicked(bool)
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{
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vcrFlag = VCR_STOP;
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btnPlay->setText("Play");
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interface->setVcrOp(VCR_STOP);
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/* reset slider */
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slider->setSliderPosition(0);
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lblCurrentPos->setText("00:00:00");
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/* clear screen by filling it with black */
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clearDisplay();
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}
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void MainWindow::onMediaDurationInSeconds(int duration)
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{
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int hours = 0;
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int minutes = 0;
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int secs = 0;
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char buf[20];
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/* setup progress bar */
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slider->setMinimum(0);
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slider->setMaximum(duration * 100); /* in hundredth of a sec */
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slider->setValue(0);
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slider->setSliderPosition(0);
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lblCurrentPos->setText("00:00:00");
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qDebug() << "media_duration=" << duration << " in hundredth of a sec:" << duration * 100;
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/* convert from seconds to hours:minutes:seconds */
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hours = duration / 3600;
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if (hours)
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duration -= (hours * 3600);
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minutes = duration / 60;
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if (minutes)
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duration -= minutes * 60;
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secs = duration;
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sprintf(buf, "%.2d:%.2d:%.2d", hours, minutes, secs);
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lblDuration->setText(QString(buf));
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}
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/**
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* time elapsed in 1/100th sec units since play started
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******************************************************************************/
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void MainWindow::onElapsedTime(int val)
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{
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int hours = 0;
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int minutes = 0;
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int secs = 0;
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int duration = val / 100;
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char buf[20];
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if (vcrFlag == VCR_STOP)
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{
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qDebug() << "onElapsedTime: not updating slider coz of VCR_STOP";
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return;
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}
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/* if slider bar is down, do not update */
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if (slider->isSliderDown())
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{
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qDebug() << "onElapsedTime: not updating slider coz slider is down";
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return;
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}
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/* update progress bar */
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slider->setSliderPosition(val);
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/* convert from seconds to hours:minutes:seconds */
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hours = duration / 3600;
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if (hours)
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duration -= (hours * 3600);
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minutes = duration / 60;
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if (minutes)
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duration -= minutes * 60;
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secs = duration;
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/* update current position in progress bar */
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sprintf(buf, "%.2d:%.2d:%.2d", hours, minutes, secs);
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lblCurrentPos->setText(QString(buf));
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}
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void MainWindow::onSliderValueChanged(int value)
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{
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if (acceptSliderMove)
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{
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acceptSliderMove = false;
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if (playVideo)
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playVideo->onMediaSeek(value / 100);
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}
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}
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void MainWindow::onSliderActionTriggered(int action)
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{
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switch (action)
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{
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case QAbstractSlider::SliderPageStepAdd:
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acceptSliderMove = true;
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break;
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case QAbstractSlider::SliderPageStepSub:
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acceptSliderMove = true;
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break;
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case QAbstractSlider::SliderMove:
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if (slider->isSliderDown())
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acceptSliderMove = true;
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break;
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}
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}
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#if 1
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// LK_TODO delete this
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void MainWindow::mouseMoveEvent(QMouseEvent *)
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{
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//qDebug() << "mouseMoveEvent: x=" << e->globalX() << "y=" << e->globalY();
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}
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#endif
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