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oak-editor/app/node/block/block.h
T
2025-08-05 17:12:49 +08:00

144 lines
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C++

/*
* Olive Community Edition - Non-Linear Video Editor
* Copyright (C) 2025 Olive CE 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 BLOCK_H
#define BLOCK_H
#include "node/node.h"
#include "timeline/timelinecommon.h"
namespace olive
{
class TransitionBlock;
/**
* @brief A Node that represents a block of time, also displayable on a Timeline
*/
class Block : public Node {
Q_OBJECT
public:
Block();
virtual QVector<CategoryID> Category() const override;
const rational &in() const
{
return in_point_;
}
const rational &out() const
{
return out_point_;
}
void set_in(const rational &in)
{
in_point_ = in;
}
void set_out(const rational &out)
{
out_point_ = out;
}
rational length() const;
virtual void set_length_and_media_out(const rational &length);
virtual void set_length_and_media_in(const rational &length);
TimeRange range() const
{
return TimeRange(in(), out());
}
Block *previous() const
{
return previous_;
}
Block *next() const
{
return next_;
}
void set_previous(Block *previous)
{
previous_ = previous;
}
void set_next(Block *next)
{
next_ = next;
}
Track *track() const
{
return track_;
}
void set_track(Track *track)
{
track_ = track;
emit TrackChanged(track_);
}
bool is_enabled() const;
void set_enabled(bool e);
virtual void Retranslate() override;
virtual void InvalidateCache(
const TimeRange &range, const QString &from, int element = -1,
InvalidateCacheOptions options = InvalidateCacheOptions()) override;
static const QString kLengthInput;
static void set_previous_next(Block *previous, Block *next);
public slots:
signals:
void EnabledChanged();
void LengthChanged();
void PreviewChanged();
void TrackChanged(Track *track);
protected:
virtual void InputValueChangedEvent(const QString &input,
int element) override;
Block *previous_;
Block *next_;
private:
void set_length_internal(const rational &length);
rational in_point_;
rational out_point_;
Track *track_;
rational last_length_;
};
}
#endif // BLOCK_H