itsmattkc
351d4a246e
These were introduced for the new Block system and make just as much sense for the Track system. They've now been implemented for both.
110 lines
2.5 KiB
C++
110 lines
2.5 KiB
C++
/***
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Olive - Non-Linear Video Editor
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Copyright (C) 2019 Olive Team
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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***/
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#ifndef TRACKLIST_H
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#define TRACKLIST_H
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#include <QObject>
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#include "node/graph.h"
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#include "node/output/track/track.h"
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#include "timeline/tracktypes.h"
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class TimelineOutput;
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class TrackList : public QObject {
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Q_OBJECT
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public:
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TrackList(TimelineOutput *parent, const enum TrackType& type, NodeInputArray* track_input);
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const QVector<TrackOutput*>& Tracks();
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TrackOutput* TrackAt(int index);
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TrackOutput *AddTrack();
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void RemoveTrack();
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const rational& TrackLength();
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const enum TrackType& TrackType();
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signals:
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void BlockAdded(Block* block, int index);
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void BlockRemoved(Block* block);
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void TrackAdded(TrackOutput* track);
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void TrackRemoved(TrackOutput* track);
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void TrackListChanged();
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void LengthChanged(const rational &length);
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private:
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NodeGraph* GetParentGraph();
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/**
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* @brief A cache of connected Tracks
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*/
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QVector<TrackOutput*> track_cache_;
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NodeInputArray* track_input_;
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rational total_length_;
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enum TrackType type_;
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private slots:
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/**
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* @brief Slot for when the track connection is added
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*/
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void TrackConnected(NodeEdgePtr edge);
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/**
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* @brief Slot for when the track connection is removed
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*/
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void TrackDisconnected(NodeEdgePtr edge);
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/**
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* @brief Slot for when a connected Track has added a Block so we can update the UI
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*/
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void TrackAddedBlock(Block* block);
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/**
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* @brief Slot for when a connected Track has added a Block so we can update the UI
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*/
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void TrackRemovedBlock(Block* block);
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/**
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* @brief Slot for when the count of tracks in the track input changes
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*/
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void TrackListSizeChanged(int size);
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/**
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* @brief Slot for when any of the track's length changes so we can update the length of the tracklist
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*/
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void UpdateTotalLength();
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};
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#endif // TRACKLIST_H
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