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

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/*
* 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 NODEINPUTDRAGGER_H
#define NODEINPUTDRAGGER_H
#include "node/keyframe.h"
#include "node/param.h"
#include "undo/undocommand.h"
namespace olive
{
class NodeInputDragger {
public:
NodeInputDragger();
bool IsStarted() const;
void Start(const NodeKeyframeTrackReference &input, const rational &time,
bool create_key_on_all_tracks = true);
void Drag(QVariant value);
void End(MultiUndoCommand *command);
static bool IsInputBeingDragged()
{
return input_being_dragged;
}
const QVariant &GetStartValue() const
{
return start_value_;
}
const NodeKeyframeTrackReference &GetInput() const
{
return input_;
}
const rational &GetTime() const
{
return time_;
}
private:
NodeKeyframeTrackReference input_;
rational time_;
QVariant start_value_;
QVariant end_value_;
NodeKeyframe *dragging_key_;
QVector<NodeKeyframe *> created_keys_;
static int input_being_dragged;
};
}
#endif // NODEINPUTDRAGGER_H