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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 "timelineitem.h"
#include "timelinemovableabstractitem.h"
#include <modelnode.h>
#include <qmltimeline.h>
QT_FORWARD_DECLARE_CLASS(QComboBox)
QT_FORWARD_DECLARE_CLASS(QPainter)
namespace QmlDesigner {
class TimelineSectionItem;
class TimelineBarItem : public TimelineMovableAbstractItem
{
Q_DECLARE_TR_FUNCTIONS(TimelineBarItem)
enum class Location { Undefined, Center, Left, Right };
public:
explicit TimelineBarItem(TimelineSectionItem *parent);
void itemMoved(const QPointF &start, const QPointF &end) override;
void commitPosition(const QPointF &point) override;
bool isLocked() const override;
TimelineBarItem *asTimelineBarItem() override;
protected:
void scrollOffsetChanged() override;
void paint(QPainter *painter,
const QStyleOptionGraphicsItem *option,
QWidget *widget = nullptr) override;
void hoverMoveEvent(QGraphicsSceneHoverEvent *) override;
void contextMenuEvent(QGraphicsSceneContextMenuEvent * event) override;
private:
TimelineSectionItem *sectionItem() const;
void dragInit(const QRectF &rect, const QPointF &pos);
void dragCenter(QRectF rect, const QPointF &pos, qreal min, qreal max);
void dragHandle(QRectF rect, const QPointF &pos, qreal min, qreal max);
bool handleRects(const QRectF &rect, QRectF &left, QRectF &right) const;
bool isActiveHandle(Location location) const;
void setOutOfBounds(Location location);
bool validateBounds(qreal pivot);
private:
Location m_handle = Location::Undefined;
Location m_bounds = Location::Undefined;
qreal m_pivot = 0.0;
QRectF m_oldRect;
static constexpr qreal minimumBarWidth = 2.0
* static_cast<qreal>(TimelineConstants::sectionHeight);
};
class TimelineSectionItem : public TimelineItem
{
Q_OBJECT
public:
enum { Type = TimelineConstants::timelineSectionItemUserType };
static TimelineSectionItem *create(const QmlTimeline &timelineScene,
const ModelNode &target,
TimelineItem *parent);
void invalidateBar();
int type() const override;
static void updateData(QGraphicsItem *item);
static void updateDataForTarget(QGraphicsItem *item, const ModelNode &target, bool *b);
static void updateFramesForTarget(QGraphicsItem *item, const ModelNode &target);
static void updateHeightForTarget(QGraphicsItem *item, const ModelNode &target);
void moveAllFrames(qreal offset);
void scaleAllFrames(qreal scale);
qreal firstFrame();
AbstractView *view() const;
bool isSelected() const;
ModelNode targetNode() const;
QVector<qreal> keyframePositions() const;
protected:
void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget) override;
void mouseDoubleClickEvent(QGraphicsSceneMouseEvent *event) override;
void mousePressEvent(QGraphicsSceneMouseEvent *event) override;
void mouseReleaseEvent(QGraphicsSceneMouseEvent *event) override;
void resizeEvent(QGraphicsSceneResizeEvent *event) override;
void contextMenuEvent(QGraphicsSceneContextMenuEvent *event) override;
private:
void updateData();
void updateFrames();
void updateHeight();
void invalidateHeight();
void invalidateProperties();
void invalidateFrames();
bool collapsed() const;
void createPropertyItems();
qreal rulerWidth() const;
void toggleCollapsed();
QList<QGraphicsItem *> propertyItems() const;
TimelineSectionItem(TimelineItem *parent = nullptr);
ModelNode m_targetNode;
QmlTimeline m_timeline;
TimelineBarItem *m_barItem;
TimelineItem *m_dummyItem;
};
class TimelineRulerSectionItem : public TimelineItem
{
Q_OBJECT
signals:
void rulerClicked(const QPointF &pos);
void playbackLoopValuesChanged();
void zoomChanged(int zoom);
public:
static TimelineRulerSectionItem *create(QGraphicsScene *parentScene, TimelineItem *parent);
void invalidateRulerSize(const QmlTimeline &timeline);
void invalidateRulerSize(const qreal length);
void setZoom(int zoom);
int zoom() const;
qreal getFrameTick() const;
qreal rulerScaling() const;
qreal rulerDuration() const;
qreal durationViewportLength() const;
qreal startFrame() const;
qreal endFrame() const;
qreal playbackLoopStart() const;
qreal playbackLoopEnd() const;
QComboBox *comboBox() const;
void setSizeHints(int width);
void setPlaybackLoopEnabled(bool value);
void setPlaybackLoopTimes(float start, float end);
void extendPlaybackLoop(const QList<qreal> &positions, bool reset);
void updatePlaybackLoop(QGraphicsSceneMouseEvent *event);
signals:
void addTimelineClicked();
protected:
void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget) override;
void mousePressEvent(QGraphicsSceneMouseEvent *event) override;
void resizeEvent(QGraphicsSceneResizeEvent *event) override;
private:
TimelineRulerSectionItem(TimelineItem *parent = nullptr);
void paintTicks(QPainter *painter);
QComboBox *m_comboBox = nullptr;
qreal m_duration = 0;
qreal m_start = 0;
qreal m_end = 0;
qreal m_scaling = 1;
qreal m_frameTick = 1.; // distance between 2 tick steps (in frames) on the ruler at current scale
qreal m_playbackLoopStart = 0.;
qreal m_playbackLoopEnd = 0.;
bool m_playbackLoopEnabled = false;
bool m_isPaintingPlaybackLoopRange = false;
bool m_isMovingPlaybackStart = false;
};
} // namespace QmlDesigner
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