151 lines
3.2 KiB
C++
151 lines
3.2 KiB
C++
/*
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* Oak Video Editor - Non-Linear Video Editor
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* Copyright (C) 2025 Olive CE Team
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*
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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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*
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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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*
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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 TIMELINEVIEWBASE_H
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#define TIMELINEVIEWBASE_H
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#include <QGraphicsView>
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#include <vector>
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#include "core.h"
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#include "timescaledobject.h"
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#include "widget/handmovableview/handmovableview.h"
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namespace olive
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{
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class TimeBasedWidget;
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class TimeBasedView : public HandMovableView, public TimeScaledObject {
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Q_OBJECT
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public:
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TimeBasedView(QWidget *parent = nullptr);
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void EnableSnap(const std::vector<rational> &points);
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void DisableSnap();
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bool IsSnapped() const
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{
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return snapped_;
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}
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TimeBasedWidget *GetSnapService() const
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{
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return snap_service_;
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}
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void SetSnapService(TimeBasedWidget *service)
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{
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snap_service_ = service;
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}
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const double &GetYScale() const;
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void SetYScale(const double &y_scale);
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virtual bool IsDraggingPlayhead() const
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{
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return dragging_playhead_;
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}
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// To be called only by selection managers
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virtual void SelectionManagerSelectEvent(void *obj)
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{
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}
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virtual void SelectionManagerDeselectEvent(void *obj)
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{
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}
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ViewerOutput *GetViewerNode() const
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{
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return viewer_;
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}
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void SetViewerNode(ViewerOutput *v);
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QPointF ScalePoint(const QPointF &p) const;
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QPointF UnscalePoint(const QPointF &p) const;
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public slots:
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void SetEndTime(const rational &length);
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/**
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* @brief Slot called whenever the view resizes or the scene contents change to enforce minimum scene sizes
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*/
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void UpdateSceneRect();
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signals:
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void ScaleChanged(double scale);
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protected:
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virtual void drawForeground(QPainter *painter, const QRectF &rect) override;
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virtual void resizeEvent(QResizeEvent *event) override;
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virtual void ScaleChangedEvent(const double &scale) override;
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virtual void SceneRectUpdateEvent(QRectF &)
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{
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}
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virtual void VerticalScaleChangedEvent(double scale);
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virtual void ZoomIntoCursorPosition(QWheelEvent *event, double multiplier,
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const QPointF &cursor_pos) override;
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bool PlayheadPress(QMouseEvent *event);
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bool PlayheadMove(QMouseEvent *event);
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bool PlayheadRelease(QMouseEvent *event);
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virtual void TimebaseChangedEvent(const rational &) override;
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bool IsYAxisEnabled() const
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{
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return y_axis_enabled_;
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}
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void SetYAxisEnabled(bool e)
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{
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y_axis_enabled_ = e;
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}
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private:
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qreal GetPlayheadX();
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double playhead_scene_left_;
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double playhead_scene_right_;
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bool dragging_playhead_;
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QGraphicsScene scene_;
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bool snapped_;
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std::vector<rational> snap_time_;
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rational end_time_;
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TimeBasedWidget *snap_service_;
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bool y_axis_enabled_;
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double y_scale_;
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ViewerOutput *viewer_;
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};
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}
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#endif // TIMELINEVIEWBASE_H
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