Blame view
ModelView.cpp
5.78 KB
3f2992b2c V1.0 |
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#include <QVBoxLayout> #include "ModelView.h" #include "Shot.h" #include "VideoFrame.h" #include <QDebug> ModelView::ModelView(ProjectModel *project, int nVignettes, QWidget *parent) : QWidget(parent), m_currEpisode(0), m_project(project), m_nVignettes(nVignettes), m_playerPaused(true) { m_treeView = new QTreeView; m_treeView->expandAll(); QVBoxLayout *layout = new QVBoxLayout; layout->addWidget(m_treeView); setLayout(layout); m_treeView->setModel(m_project); m_selection = m_treeView->selectionModel(); connect(m_selection, SIGNAL(currentChanged(const QModelIndex &, const QModelIndex &)), this, SLOT(updatePlayer(const QModelIndex &, const QModelIndex &))); } void ModelView::adjust() { m_treeView->resizeColumnToContents(0); m_treeView->resizeColumnToContents(1); } void ModelView::initPlayer() { QModelIndex seasonIndex = m_project->index(0, 0); updatePlayer(seasonIndex, QModelIndex()); } ///////////////////////////////////////////// // slot called when clicking on model view // ///////////////////////////////////////////// void ModelView::updatePlayer(const QModelIndex ¤t, const QModelIndex &previous) { Q_UNUSED(previous); Shot *shot; // scroll to selected segment m_treeView->scrollTo(current, QAbstractItemView::PositionAtCenter); // selected segment Segment *segment = static_cast<Segment *>(current.internalPointer()); // emit signals when encountering shot if ((shot = dynamic_cast<Shot *>(segment))) emit currentShot(genPositionList(segment)); updateCurrentEpisode(segment); emit setPlayer(m_currEpisode->getFName(), m_currEpisode->getResolution()); emit setPlayerPosition(segment->getPosition()); if (m_playerPaused) { qint64 position = segment->getPosition(); VideoFrame *vFrame; int i; // retrieve current video frame while (!(vFrame = dynamic_cast<VideoFrame *>(segment))) { // closest segment index to current player position i = segment->childIndexFromPosition(position); // select possible children segment = segment->child(i); } emit displaySubtitle(vFrame->getSub()); } } /////////////////////////////////////////// // slot called when player state changes // /////////////////////////////////////////// void ModelView::playerPaused(bool pause) { m_playerPaused = pause; } ////////////////////////////////////////////// // slot called when player position changes // ////////////////////////////////////////////// void ModelView::positionChanged(qint64 position) { int i(-1); QModelIndex index; QModelIndex siblingIndex; VideoFrame *vFrame; m_selection->clearSelection(); Segment *segment = m_currEpisode; // retrieve segment to select int depth = 0; while (depth++ < m_depth) { // closest segment index to current player position i = segment->childIndexFromPosition(position); // select possible children segment = segment->child(i); } // model indexes to select index = m_project->indexFromSegment(segment); siblingIndex = m_project->sibling(i, 1, index); // segment selection m_selection->setCurrentIndex(index, QItemSelectionModel::Select); m_selection->setCurrentIndex(siblingIndex, QItemSelectionModel::Select); // retrieve current video frame while (!(vFrame = dynamic_cast<VideoFrame *>(segment))) { // closest segment index to current player position i = segment->childIndexFromPosition(position); // select possible children segment = segment->child(i); } emit displaySubtitle(vFrame->getSub()); } /////////////////////////////////// // slot called when pressing key // /////////////////////////////////// void ModelView::keyPressEvent(QKeyEvent *event) { Segment *segment = static_cast<Segment *>(m_selection->currentIndex().internalPointer()); if (event->key() == Qt::Key_Return && dynamic_cast<VideoFrame *>(segment)) emit insertShot(segment); else if (event->key() == Qt::Key_Backspace && dynamic_cast<Shot *>(segment)) emit removeShot(segment); else if (event->key() == Qt::Key_Return && dynamic_cast<Shot *>(segment)) emit editSimShots(segment); } /////////////////////////////////////////////////// // slots called when entering in annotation mode // /////////////////////////////////////////////////// void ModelView::initShotAnnot(bool checked) { Segment *segment = static_cast<Segment *>(m_selection->currentIndex().internalPointer()); if (checked) emit initShotLevel(segment); } /////////////// // accessors // /////////////// QString ModelView::getCurrentEpisodeFName() const { return m_currEpisode->getFName(); } ///////////////////// // private methods // ///////////////////// void ModelView::updateCurrentEpisode(Segment *segment) { Episode *episode = 0; // looking for corresponding episode Segment *tmp = segment; // searching among parent segments while (tmp != 0 && !(episode = dynamic_cast<Episode *>(tmp))) tmp = tmp->parent(); // if not found, searching among child segments if (!tmp) { tmp = segment; while (tmp != 0 && !(episode = dynamic_cast<Episode *>(tmp))) tmp = tmp->child(0); } if (episode != m_currEpisode) { m_currEpisode = episode; } } QList<qint64> ModelView::genPositionList(Segment *segment) { QList<qint64> positionList; qint64 segmentPosition; int iFirst = segment->row() - m_nVignettes / 2; int iLast = segment->row() + m_nVignettes / 2; for (int i(iFirst); i <= iLast; i++) { if (i >= 0 && i < segment->parent()->childCount()) { segmentPosition = segment->parent()->child(i)->getPosition(); positionList.push_back(segmentPosition); } else positionList.push_back(-1); } return positionList; } /////////////// // modifiers // /////////////// void ModelView::setDepth(int depth) { m_depth = depth - 2; m_treeView->expandToDepth(m_depth); adjust(); } |