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oak-editor/app/node/output/track/tracklist.h
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/***
Olive - Non-Linear Video Editor
Copyright (C) 2022 Olive Team
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
***/
#ifndef TRACKLIST_H
#define TRACKLIST_H
#include <QObject>
#include "node/output/track/track.h"
#include "timeline/timelinecommon.h"
namespace olive {
class Sequence;
class TrackList : public QObject
{
Q_OBJECT
public:
TrackList(Sequence *parent, const Track::Type& type, const QString& track_input);
const Track::Type& type() const
{
return type_;
}
const QVector<Track*>& GetTracks() const
{
return track_cache_;
}
Track* GetTrackAt(int index) const;
const rational& GetTotalLength() const
{
return total_length_;
}
int GetTrackCount() const
{
return track_cache_.size();
}
Project* GetParentGraph() const;
const QString &track_input() const;
NodeInput track_input(int element) const;
Sequence* parent() const;
int ArraySize() const;
void ArrayAppend();
void ArrayRemoveLast();
int GetArrayIndexFromCacheIndex(int index) const
{
return track_array_indexes_.at(index);
}
int GetCacheIndexFromArrayIndex(int index) const
{
return track_array_indexes_.indexOf(index);
}
public slots:
/**
* @brief Slot for when the track connection is added
*/
void TrackConnected(Node* node, int element);
/**
* @brief Slot for when the track connection is removed
*/
void TrackDisconnected(Node* node, int element);
signals:
void TrackListChanged();
void LengthChanged(const rational &length);
void TrackAdded(Track* track);
void TrackRemoved(Track* track);
void TrackHeightChanged(Track *track, int height);
private:
void UpdateTrackIndexesFrom(int index);
/**
* @brief A cache of connected Tracks
*/
QVector<Track*> track_cache_;
QVector<int> track_array_indexes_;
QString track_input_;
rational total_length_;
enum Track::Type type_;
private slots:
/**
* @brief Slot for when any of the track's length changes so we can update the length of the tracklist
*/
void UpdateTotalLength();
};
}
#endif // TRACKLIST_H