163 lines
4.9 KiB
C++
163 lines
4.9 KiB
C++
/***
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Olive - Non-Linear Video Editor
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Copyright (C) 2022 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 TIMELINEVIEW_H
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#define TIMELINEVIEW_H
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#include <QGraphicsView>
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#include <QDragEnterEvent>
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#include <QDragMoveEvent>
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#include <QDragLeaveEvent>
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#include <QDropEvent>
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#include "node/block/clip/clip.h"
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#include "timelineviewmouseevent.h"
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#include "timelineviewghostitem.h"
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#include "widget/timebased/timebasedview.h"
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namespace olive {
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/**
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* @brief A widget for viewing and interacting Sequences
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*
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* This widget primarily exposes users to viewing and modifying Block nodes, usually through a TimelineOutput node.
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*/
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class TimelineView : public TimeBasedView
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{
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Q_OBJECT
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public:
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TimelineView(Qt::Alignment vertical_alignment = Qt::AlignTop,
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QWidget* parent = nullptr);
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int GetTrackY(int track_index) const;
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int GetTrackHeight(int track_index) const;
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QPoint GetScrollCoordinates() const;
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void SetScrollCoordinates(const QPoint& pt);
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void ConnectTrackList(TrackList* list);
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void SetBeamCursor(const TimelineCoordinate& coord);
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void SetTransitionOverlay(ClipBlock *out, ClipBlock *in);
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void EnableRecordingOverlay(const TimelineCoordinate &coord);
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void DisableRecordingOverlay();
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void SetSelectionList(QHash<Track::Reference, TimeRangeList>* s)
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{
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selections_ = s;
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}
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void SetGhostList(QVector<TimelineViewGhostItem*>* ghosts)
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{
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ghosts_ = ghosts;
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}
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int SceneToTrack(double y);
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Block* GetItemAtScenePos(const rational& time, int track_index) const;
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signals:
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void MousePressed(TimelineViewMouseEvent* event);
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void MouseMoved(TimelineViewMouseEvent* event);
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void MouseReleased(TimelineViewMouseEvent* event);
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void MouseDoubleClicked(TimelineViewMouseEvent* event);
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void DragEntered(TimelineViewMouseEvent* event);
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void DragMoved(TimelineViewMouseEvent* event);
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void DragLeft(QDragLeaveEvent* event);
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void DragDropped(TimelineViewMouseEvent* event);
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protected:
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virtual void mousePressEvent(QMouseEvent *event) override;
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virtual void mouseMoveEvent(QMouseEvent *event) override;
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virtual void mouseReleaseEvent(QMouseEvent *event) override;
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virtual void mouseDoubleClickEvent(QMouseEvent *event) override;
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virtual void wheelEvent(QWheelEvent* event) override;
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virtual void dragEnterEvent(QDragEnterEvent *event) override;
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virtual void dragMoveEvent(QDragMoveEvent *event) override;
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virtual void dragLeaveEvent(QDragLeaveEvent *event) override;
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virtual void dropEvent(QDropEvent *event) override;
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virtual void drawBackground(QPainter *painter, const QRectF &rect) override;
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virtual void drawForeground(QPainter *painter, const QRectF &rect) override;
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virtual void ToolChangedEvent(Tool::Item tool) override;
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virtual void SceneRectUpdateEvent(QRectF& rect) override;
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private:
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Track::Type ConnectedTrackType();
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TimelineCoordinate ScreenToCoordinate(const QPoint& pt);
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TimelineCoordinate SceneToCoordinate(const QPointF& pt);
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TimelineViewMouseEvent CreateMouseEvent(QMouseEvent* event);
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TimelineViewMouseEvent CreateMouseEvent(const QPoint &pos, Qt::MouseButton button, Qt::KeyboardModifiers modifiers);
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void DrawBlocks(QPainter* painter, bool foreground);
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void DrawBlock(QPainter *painter, bool foreground, Block *block, qreal top, qreal height, const rational &in, const rational &out, const rational &media_in);
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void DrawBlock(QPainter *painter, bool foreground, Block *block, qreal top, qreal height)
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{
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ClipBlock *cb = dynamic_cast<ClipBlock*>(block);
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DrawBlock(painter, foreground, block, top, height, block->in(), block->out(), cb ? cb->media_in() : 0);
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}
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void DrawZebraStripes(QPainter *painter, const QRectF &r);
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int GetHeightOfAllTracks() const;
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void UpdatePlayheadRect();
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qreal GetTimelineLeftBound() const;
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qreal GetTimelineRightBound() const;
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void DrawThumbnail(QPainter *painter, const FrameHashCache *thumbs, const rational &time, int x, const QRect &preview_rect, QRect *thumb_rect) const;
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QHash<Track::Reference, TimeRangeList>* selections_;
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QVector<TimelineViewGhostItem*>* ghosts_;
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bool show_beam_cursor_;
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TimelineCoordinate cursor_coord_;
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TrackList* connected_track_list_;
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ClipBlock *transition_overlay_out_;
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ClipBlock *transition_overlay_in_;
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QMap<TimelineMarker*, QRectF> clip_marker_rects_;
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bool recording_overlay_;
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TimelineCoordinate recording_coord_;
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private slots:
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void TrackListChanged();
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};
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}
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#endif // TIMELINEVIEW_H
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