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/****************************************************************************
**
** Copyright (C) 2018 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of Qt Creator.
**
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3 as published by the Free Software
** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-3.0.html.
**
****************************************************************************/
#pragma once
#include "timelinetooldelegate.h"
#include "timelineutils.h"
#include <qmltimeline.h>
#include <QGraphicsScene>
#include <memory>
QT_FORWARD_DECLARE_CLASS(QGraphicsLinearLayout)
QT_FORWARD_DECLARE_CLASS(QComboBox)
QT_FORWARD_DECLARE_CLASS(QWidget)
namespace QmlDesigner {
class TimelineView;
class TimelineWidget;
class TimelineItem;
class TimelineRulerSectionItem;
class TimelineFrameHandle;
class TimelineAbstractTool;
class TimelineMoveTool;
class TimelineKeyframeItem;
class TimelinePlaceholder;
class TimelineGraphicsLayout;
class TimelineToolBar;
class AbstractScrollGraphicsScene : public QGraphicsScene
{
Q_OBJECT
public:
AbstractScrollGraphicsScene(QWidget *parent);
;
int scrollOffset() const;
void setScrollOffset(int offset);
static int getScrollOffset(QGraphicsScene *scene);
QRectF selectionBounds() const;
void selectKeyframes(const SelectionMode &mode, const QList<TimelineKeyframeItem *> &items);
virtual void clearSelection();
QList<TimelineKeyframeItem *> selectedKeyframes() const;
bool hasSelection() const;
bool isCurrent(TimelineKeyframeItem *keyframe) const;
bool isKeyframeSelected(TimelineKeyframeItem *keyframe) const;
bool multipleKeyframesSelected() const;
virtual qreal rulerScaling() const = 0;
virtual int rulerWidth() const = 0;
virtual qreal rulerDuration() const = 0;
virtual AbstractView *abstractView() const = 0;
virtual void setCurrentFrame(int) {}
virtual qreal startFrame() const = 0;
virtual qreal endFrame() const = 0;
virtual void invalidateScrollbar() = 0;
virtual qreal snap(qreal frame, bool snapToPlayhead = true)
{
Q_UNUSED(snapToPlayhead);
return frame;
}
QGraphicsView *graphicsView() const;
QGraphicsView *rulerView() const;
signals:
void statusBarMessageChanged(const QString &message);
void selectionChanged();
void scroll(const TimelineUtils::Side &side);
private:
void emitScrollOffsetChanged();
int m_scrollOffset = 0;
QList<TimelineKeyframeItem *> m_selectedKeyframes;
};
class TimelineGraphicsScene : public AbstractScrollGraphicsScene
{
Q_OBJECT
public:
explicit TimelineGraphicsScene(TimelineWidget *parent);
~TimelineGraphicsScene() override;
void onShow();
void setTimeline(const QmlTimeline &timeline);
void clearTimeline();
void setWidth(int width);
void invalidateLayout();
qreal setCurrenFrame(const QmlTimeline &timeline, qreal frame);
void setCurrentFrame(int frame) override;
void setStartFrame(int frame);
void setEndFrame(int frame);
TimelineView *timelineView() const;
TimelineWidget *timelineWidget() const;
TimelineToolBar *toolBar() const;
qreal rulerScaling() const override;
int rulerWidth() const override;
qreal rulerDuration() const override;
qreal startFrame() const override;
qreal endFrame() const override;
void updateKeyframePositionsCache();
qreal mapToScene(qreal x) const;
qreal mapFromScene(qreal x) const;
qreal currentFramePosition() const;
QVector<qreal> keyframePositions() const;
QVector<qreal> keyframePositions(const QmlTimelineKeyframeGroup &frames) const;
qreal snap(qreal frame, bool snapToPlayhead = true) override;
void setRulerScaling(int scaling);
void commitCurrentFrame(qreal frame);
void invalidateSectionForTarget(const ModelNode &modelNode);
void invalidateKeyframesForTarget(const ModelNode &modelNode);
void invalidateScene();
void invalidateScrollbar() override;
void invalidateCurrentValues();
void invalidateRecordButtonsStatus();
QmlTimeline currentTimeline() const;
void handleKeyframeDeletion();
void deleteAllKeyframesForTarget(const ModelNode &targetNode);
void insertAllKeyframesForTarget(const ModelNode &targetNode);
void copyAllKeyframesForTarget(const ModelNode &targetNode);
void pasteKeyframesToTarget(const ModelNode &targetNode);
void handleKeyframeInsertion(const ModelNode &target, const PropertyName &propertyName);
void deleteKeyframeGroup(const ModelNode &group);
void deleteKeyframes(const QList<ModelNode> &frames);
void activateLayout();
AbstractView *abstractView() const override;
protected:
bool event(QEvent *event) override;
void mousePressEvent(QGraphicsSceneMouseEvent *event) override;
void mouseMoveEvent(QGraphicsSceneMouseEvent *event) override;
void mouseReleaseEvent(QGraphicsSceneMouseEvent *event) override;
void mouseDoubleClickEvent(QGraphicsSceneMouseEvent *event) override;
void keyPressEvent(QKeyEvent *keyEvent) override;
void keyReleaseEvent(QKeyEvent *keyEvent) override;
private:
void copySelectedKeyframes();
void pasteSelectedKeyframes();
void invalidateSections();
ModelNode timelineModelNode() const;
void emitStatusBarPlayheadFrameChanged(int frame);
QList<QGraphicsItem *> itemsAt(const QPointF &pos);
private:
TimelineWidget *m_parent = nullptr;
TimelineGraphicsLayout *m_layout = nullptr;
TimelineFrameHandle *m_currentFrameIndicator = nullptr;
TimelineToolDelegate m_tools;
// sorted, unique cache of keyframes positions, used for snapping
QVector<qreal> m_keyframePositionsCache;
};
} // namespace QmlDesigner
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