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/****************************************************************************
**
** Copyright (C) 2020 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 "transitioneditorconstants.h"
#include <timelineeditor/timelineitem.h>
#include <timelineeditor/timelinemovableabstractitem.h>
#include <modelnode.h>
#include <qmltimeline.h>
QT_FORWARD_DECLARE_CLASS(QComboBox)
QT_FORWARD_DECLARE_CLASS(QPainter)
namespace QmlDesigner {
class TransitionEditorSectionItem;
class TransitionEditorPropertyItem;
class TransitionEditorBarItem : public TimelineMovableAbstractItem
{
Q_DECLARE_TR_FUNCTIONS(TimelineBarItem)
enum class Location { Undefined, Center, Left, Right };
public:
explicit TransitionEditorBarItem(TransitionEditorSectionItem *parent);
explicit TransitionEditorBarItem(TransitionEditorPropertyItem *parent);
void itemMoved(const QPointF &start, const QPointF &end) override;
void commitPosition(const QPointF &point) override;
bool isLocked() const 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;
void mousePressEvent(QGraphicsSceneMouseEvent *event) override;
private:
TransitionEditorSectionItem *sectionItem() const;
TransitionEditorPropertyItem *propertyItem() 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 TransitionEditorSectionItem : public TimelineItem
{
Q_OBJECT
public:
enum { Type = TransitionEditorConstants::transitionEditorSectionItemUserType };
static TransitionEditorSectionItem *create(const ModelNode &animation,
TimelineItem *parent);
void invalidateBar();
int type() const override;
static void updateData(QGraphicsItem *item);
static void invalidateBar(QGraphicsItem *item);
static void updateDataForTarget(QGraphicsItem *item, const ModelNode &target, bool *b);
static void updateHeightForTarget(QGraphicsItem *item, const ModelNode &target);
void moveAllDurations(qreal offset);
void scaleAllDurations(qreal scale);
qreal firstFrame();
AbstractView *view() const;
bool isSelected() const;
ModelNode targetNode() const;
void updateData();
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 updateHeight();
void invalidateHeight();
void invalidateProperties();
bool collapsed() const;
qreal rulerWidth() const;
void toggleCollapsed();
void createPropertyItems();
const QList<QGraphicsItem *> propertyItems() const;
TransitionEditorSectionItem(TimelineItem *parent = nullptr);
ModelNode m_targetNode;
ModelNode m_animationNode;
TransitionEditorBarItem *m_barItem = nullptr;
TimelineItem *m_dummyItem = nullptr;
};
} // namespace QmlDesigner
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