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

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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 DRAGGABLEGIZMO_H
#define DRAGGABLEGIZMO_H
#include "gizmo.h"
#include "node/inputdragger.h"
#include "undo/undocommand.h"
namespace olive
{
class DraggableGizmo : public NodeGizmo {
Q_OBJECT
public:
/// Changes what the X/Y coordinates emitted from HandleMovement specify
enum DragValueBehavior {
/// X/Y will be the exact mouse coordinates (in sequence pixels)
kAbsolute,
/// X/Y will be the movement since the last time HandleMovement was called
kDeltaFromPrevious,
/// X/Y will be the movement from the start of the drag
kDeltaFromStart
};
explicit DraggableGizmo(QObject *parent = nullptr);
void DragStart(const NodeValueRow &row, double abs_x, double abs_y,
const olive::core::rational &time);
void DragMove(double x, double y, const Qt::KeyboardModifiers &modifiers);
void DragEnd(olive::MultiUndoCommand *command);
void AddInput(const NodeKeyframeTrackReference &input)
{
inputs_.append(input);
draggers_.append(NodeInputDragger());
}
QVector<NodeInputDragger> &GetDraggers()
{
return draggers_;
}
DragValueBehavior GetDragValueBehavior() const
{
return drag_value_behavior_;
}
void SetDragValueBehavior(DragValueBehavior d)
{
drag_value_behavior_ = d;
}
signals:
void HandleStart(const olive::NodeValueRow &row, double x, double y,
const olive::core::rational &time);
void HandleMovement(double x, double y,
const Qt::KeyboardModifiers &modifiers);
private:
QVector<NodeKeyframeTrackReference> inputs_;
QVector<NodeInputDragger> draggers_;
DragValueBehavior drag_value_behavior_;
};
}
#endif // DRAGGABLEGIZMO_H