added support for multiple timeline sections
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itsmattkc
@@ -0,0 +1,316 @@
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#include "timelinewidget.h"
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#include <QSplitter>
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#include <QVBoxLayout>
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#include <QtMath>
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#include "common/timecodefunctions.h"
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TimelineWidget::TimelineWidget(QWidget *parent) :
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QWidget(parent),
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timeline_node_(nullptr),
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playhead_(0)
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{
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QVBoxLayout* layout = new QVBoxLayout(this);
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layout->setSpacing(0);
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layout->setMargin(0);
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ruler_ = new TimeRuler(true);
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connect(ruler_, SIGNAL(TimeChanged(const int64_t&)), this, SIGNAL(TimeChanged(const int64_t&)));
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connect(ruler_, SIGNAL(TimeChanged(const int64_t&)), this, SLOT(UpdateInternalTime(const int64_t&)));
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layout->addWidget(ruler_);
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// Create list of TimelineViews - these MUST correspond to the ViewType enum
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QSplitter* view_splitter = new QSplitter(Qt::Vertical);
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view_splitter->setChildrenCollapsible(false);
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layout->addWidget(view_splitter);
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// Video view
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views_.append(new TimelineView());
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// Audio view
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views_.append(new TimelineView());
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// Global scrollbar
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horizontal_scroll_ = new QScrollBar(Qt::Horizontal);
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connect(horizontal_scroll_, SIGNAL(valueChanged(int)), ruler_, SLOT(SetScroll(int)));
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connect(views_.first()->horizontalScrollBar(), SIGNAL(rangeChanged(int, int)), horizontal_scroll_, SLOT(setRange(int, int)));
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layout->addWidget(horizontal_scroll_);
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foreach (TimelineView* view, views_) {
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view->setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
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view->setVerticalScrollBarPolicy(Qt::ScrollBarAlwaysOn);
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view_splitter->addWidget(view);
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connect(view->horizontalScrollBar(), SIGNAL(valueChanged(int)), ruler_, SLOT(SetScroll(int)));
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connect(view, SIGNAL(ScaleChanged(double)), this, SLOT(SetScale(double)));
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connect(view, SIGNAL(TimebaseChanged(const rational&)), this, SLOT(SetTimebase(const rational&)));
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connect(ruler_, SIGNAL(TimeChanged(const int64_t&)), view, SLOT(SetTime(const int64_t&)));
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connect(view, SIGNAL(TimeChanged(const int64_t&)), ruler_, SLOT(SetTime(const int64_t&)));
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connect(view, SIGNAL(TimeChanged(const int64_t&)), this, SIGNAL(TimeChanged(const int64_t&)));
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connect(horizontal_scroll_, SIGNAL(valueChanged(int)), view->horizontalScrollBar(), SLOT(setValue(int)));
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connect(view->horizontalScrollBar(), SIGNAL(valueChanged(int)), horizontal_scroll_, SLOT(setValue(int)));
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// Connect each view's scroll to each other
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foreach (TimelineView* other_view, views_) {
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if (view != other_view) {
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connect(view->horizontalScrollBar(), SIGNAL(valueChanged(int)), other_view->horizontalScrollBar(), SLOT(setValue(int)));
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}
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}
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}
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// FIXME: Magic number
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SetScale(90.0);
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}
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void TimelineWidget::Clear()
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{
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SetTimebase(0);
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foreach (TimelineView* view, views_) {
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view->Clear();
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}
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}
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void TimelineWidget::SetTimebase(const rational &timebase)
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{
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timebase_ = timebase;
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ruler_->SetTimebase(timebase);
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foreach (TimelineView* view, views_) {
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view->SetTimebase(timebase);
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}
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}
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void TimelineWidget::resizeEvent(QResizeEvent *event)
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{
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QWidget::resizeEvent(event);
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horizontal_scroll_->setPageStep(horizontal_scroll_->width());
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}
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void TimelineWidget::SetTime(const int64_t ×tamp)
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{
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ruler_->SetTime(timestamp);
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foreach (TimelineView* view, views_) {
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view->SetTime(timestamp);
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}
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UpdateInternalTime(timestamp);
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}
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void TimelineWidget::ConnectTimelineNode(TimelineOutput *node)
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{
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timeline_node_ = node;
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foreach (TimelineView* view, views_) {
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view->ConnectTimelineNode(node);
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}
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}
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void TimelineWidget::DisconnectTimelineNode()
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{
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timeline_node_ = nullptr;
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foreach (TimelineView* view, views_) {
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view->DisconnectTimelineNode();
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}
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}
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void TimelineWidget::ZoomIn()
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{
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SetScale(scale_ * 2);
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}
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void TimelineWidget::ZoomOut()
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{
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SetScale(scale_ * 0.5);
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}
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void TimelineWidget::SelectAll()
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{
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foreach (TimelineView* view, views_) {
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view->SelectAll();
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}
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}
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void TimelineWidget::DeselectAll()
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{
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foreach (TimelineView* view, views_) {
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view->DeselectAll();
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}
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}
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TimelineView *TimelineWidget::GetView(const TimelineWidget::ViewType &view_type)
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{
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return views_.at(view_type);
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}
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void TimelineWidget::RippleToIn()
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{
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RippleEditTo(olive::timeline::kTrimIn, false);
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}
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void TimelineWidget::RippleToOut()
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{
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RippleEditTo(olive::timeline::kTrimOut, false);
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}
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void TimelineWidget::EditToIn()
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{
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RippleEditTo(olive::timeline::kTrimIn, true);
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}
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void TimelineWidget::EditToOut()
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{
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RippleEditTo(olive::timeline::kTrimOut, true);
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}
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void TimelineWidget::GoToPrevCut()
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{
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if (timeline_node_ == nullptr) {
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return;
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}
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if (playhead_ == 0) {
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return;
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}
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int64_t closest_cut = 0;
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foreach (TrackOutput* track, timeline_node_->Tracks()) {
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int64_t this_track_closest_cut = 0;
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foreach (Block* block, track->Blocks()) {
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int64_t block_out_ts = olive::time_to_timestamp(block->out(), timebase_);
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if (block_out_ts < playhead_) {
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this_track_closest_cut = block_out_ts;
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} else {
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break;
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}
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}
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closest_cut = qMax(closest_cut, this_track_closest_cut);
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}
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SetTimeAndSignal(closest_cut);
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}
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void TimelineWidget::GoToNextCut()
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{
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if (timeline_node_ == nullptr) {
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return;
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}
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int64_t closest_cut = INT64_MAX;
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foreach (TrackOutput* track, timeline_node_->Tracks()) {
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int64_t this_track_closest_cut = olive::time_to_timestamp(track->in(), timebase_);
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if (this_track_closest_cut <= playhead_) {
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this_track_closest_cut = INT64_MAX;
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}
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foreach (Block* block, track->Blocks()) {
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int64_t block_in_ts = olive::time_to_timestamp(block->in(), timebase_);
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if (block_in_ts > playhead_) {
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this_track_closest_cut = block_in_ts;
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break;
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}
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}
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closest_cut = qMin(closest_cut, this_track_closest_cut);
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}
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if (closest_cut < INT64_MAX) {
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SetTimeAndSignal(closest_cut);
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}
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}
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void TimelineWidget::RippleEditTo(olive::timeline::MovementMode mode, bool insert_gaps)
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{
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rational playhead_time = olive::timestamp_to_time(playhead_, timebase_);
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rational closest_point_to_playhead;
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if (mode == olive::timeline::kTrimIn) {
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closest_point_to_playhead = 0;
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} else {
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closest_point_to_playhead = RATIONAL_MAX;
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}
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foreach (TrackOutput* track, timeline_node_->Tracks()) {
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Block* b = track->NearestBlockBefore(playhead_time);
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if (b != nullptr) {
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if (mode == olive::timeline::kTrimIn) {
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closest_point_to_playhead = qMax(b->in(), closest_point_to_playhead);
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} else {
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closest_point_to_playhead = qMin(b->out(), closest_point_to_playhead);
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}
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}
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}
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QUndoCommand* command = new QUndoCommand();
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if (closest_point_to_playhead == playhead_time) {
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// Remove one frame only
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if (mode == olive::timeline::kTrimIn) {
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playhead_time += timebase_;
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} else {
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playhead_time -= timebase_;
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}
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}
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rational in_ripple = qMin(closest_point_to_playhead, playhead_time);
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rational out_ripple = qMax(closest_point_to_playhead, playhead_time);
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rational ripple_length = out_ripple - in_ripple;
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foreach (TrackOutput* track, timeline_node_->Tracks()) {
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TrackRippleRemoveAreaCommand* ripple_command = new TrackRippleRemoveAreaCommand(track,
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in_ripple,
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out_ripple,
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command);
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if (insert_gaps) {
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GapBlock* gap = new GapBlock();
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gap->set_length(ripple_length);
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ripple_command->SetInsert(gap);
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}
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}
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olive::undo_stack.pushIfHasChildren(command);
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if (mode == olive::timeline::kTrimIn && !insert_gaps) {
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int64_t new_time = olive::time_to_timestamp(closest_point_to_playhead, timebase_);
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SetTimeAndSignal(new_time);
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}
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}
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void TimelineWidget::SetTimeAndSignal(const int64_t &t)
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{
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SetTime(t);
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emit TimeChanged(t);
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}
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void TimelineWidget::SetScale(double scale)
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{
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scale_ = scale;
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ruler_->SetScale(scale_);
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foreach (TimelineView* view, views_) {
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view->SetScale(scale_);
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}
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}
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void TimelineWidget::UpdateInternalTime(const int64_t ×tamp)
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{
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playhead_ = timestamp;
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}
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