VideoView::VideoView(QWidget *parent) :
QAbstractItemView(parent),
_view(new VideoGraphicsView),
_noVideoVideo(Video(new QGraphicsScene(_view), 0)),
_playBar(new PlayBar(this)),
_status(new VideoStatus(this))
{
new QVBoxLayout(viewport());
viewport()->layout()->addWidget(_status);
_status->hide();
viewport()->layout()->addWidget(_view);
viewport()->layout()->setMargin(0);
viewport()->layout()->setSpacing(0);
_view->setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
_view->setVerticalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
_view->setRenderHint(QPainter::Antialiasing);
viewport()->layout()->addWidget(_playBar);
QImage bgImage(":/images/translucent-logo.png");
_view->setScene(_noVideoVideo.scene);
_noVideoVideo.bgRect = new QGraphicsRectItem(0);
_noVideoVideo.bgRect->setRect(QRectF(QPointF(0, 0), bgImage.size()));
_noVideoVideo.bgRect->setBrush(bgImage);
_noVideoVideo.bgRect->setPen(Qt::NoPen);
_noVideoVideo.scene->addItem(_noVideoVideo.bgRect);
_noVideoVideo.scene->setSceneRect(QRectF(QPointF(0, 0), bgImage.size()));
QGraphicsItem *noVideoText = _noVideoVideo.scene->addText(tr("No video"));
noVideoText->moveBy(100, 50);
connect(_playBar, SIGNAL(newDistanceRequested()), SLOT(beginDistanceCreation()));
connect(_playBar, SIGNAL(newAngleRequested()), SLOT(beginAngleCreation()));
connect(_playBar, &PlayBar::frameChanged, [=](int frame)
{
QModelIndex currentFrameIndex = model()
->index(_currentVideoRow, VideoModel::CurrentFrameColumn);
if (frame == currentFrameIndex.data().toInt()) {
return;
}
model()->setData(currentFrameIndex, frame);
});
connect(_playBar, &PlayBar::newTrajectoryRequested, [=]()
{
auto status = new Status::Persistent(_status, tr("Click a point to track"));
connect(_view, SIGNAL(mouseReleased(QPointF)), SLOT(calculateTrajectory(QPointF)));
connect(_view, SIGNAL(mouseReleased(QPointF)), status, SLOT(deleteLater()));
});
}
