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/****************************************************************************
**
** Copyright (C) 2018 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of Qt 3D Studio.
**
** $QT_BEGIN_LICENSE:GPL-EXCEPT$
** 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.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef ROWTREE_H
#define ROWTREE_H
#include "InteractiveTimelineItem.h"
#include "TimelineConstants.h"
#include "RowTypes.h"
#include "StudioObjectTypes.h"
#include "RowTreeLabelItem.h"
#include <QtCore/qpropertyanimation.h>
#include <QtCore/qparallelanimationgroup.h>
class RowTimeline;
class Ruler;
class ITimelineItemBinding;
class TimelineGraphicsScene;
class ITimelineItemProperty;
class RowTree : public InteractiveTimelineItem
{
Q_OBJECT
public:
enum class ExpandState {
Unknown,
Collapsed,
Expanded,
HiddenCollapsed,
HiddenExpanded
};
enum class DnDState {
None,
Source, // the row being dragged while DnD-ing
Parent, // parent of the insertion point
SP_TARGET, // drop target for a subpresentation (layer, material or image rows)
Any // accept any state (default value in setDnDState() method)
};
enum class ActionState {
None = 0,
Action = 1,
ChildAction = 2,
ComponentAction = 4,
MasterAction = 8,
MasterChildAction = 16,
MasterComponentAction = 32
};
Q_DECLARE_FLAGS(ActionStates, ActionState)
explicit RowTree(TimelineGraphicsScene *timelineScene,
EStudioObjectType rowType = OBJTYPE_UNKNOWN, const QString &label = {});
// property row constructor
explicit RowTree(TimelineGraphicsScene *timelineScene, const QString &propType);
~RowTree();
void paint(QPainter *painter, const QStyleOptionGraphicsItem *option,
QWidget *widget = nullptr) override;
void setState(State state) override;
void setTimelineRow(RowTimeline *rowTimeline);
void setParentRow(RowTree *parent);
void addChild(RowTree *child);
void addChildAt(RowTree *child, int index);
void removeChild(RowTree *child);
void setDnDState(DnDState state, DnDState onlyIfState = DnDState::Any, bool recursive = false);
void setActionStates(ActionStates states);
void setTreeWidth(double w);
void setBinding(ITimelineItemBinding *binding);
void setPropBinding(ITimelineItemProperty *binding); // for property rows
void selectLabel();
void togglePropertyExpanded();
void setPropertyExpanded(bool expand);
void showDataInputSelector(const QString &propertyname, const QPoint &pos);
ITimelineItemProperty *propBinding();
TreeControlType getClickedControl(const QPointF &scenePos);
bool shy() const;
bool visible() const;
bool locked() const;
bool expanded() const;
bool expandHidden() const;
ExpandState expandState() const { return m_expandState; }
bool isDecendentOf(RowTree *row) const;
bool isContainer() const;
bool isProperty() const;
bool isPropertyOrMaterial() const;
bool isComponent() const;
bool isComponentRoot() const;
bool isMaster() const;
bool hasPropertyChildren() const;
bool empty() const; // has zero child rows (and zero properties)
bool selected() const;
bool draggable() const;
bool hasDurationBar() const;
bool propertyExpanded() const;
int depth() const;
int type() const override;
int index() const;
int indexInLayout() const;
int treeWidth() const;
EStudioObjectType rowType() const;
QString propertyType() const;
RowTree *getChildAt(int index) const;
RowTree *parentRow() const;
RowTree *getPropertyRow(const QString &type) const;
QList<RowTree *> childRows() const;
QList<RowTree *> childProps() const;
RowTimeline *rowTimeline() const;
QString label() const;
void toggleShy();
void toggleVisible();
void toggleLocked();
void updateFromBinding();
void updateLabel();
void setRowVisible(bool visible);
void setDnDHover(bool val);
void updateVariants(const QStringList &groups);
DnDState getDnDState() const;
ITimelineItemBinding *getBinding() const;
void updateExpandStatus(ExpandState state, bool animate = true, bool forceChildUpdate = false);
void updateArrowVisibility();
void updateFilter();
void updateLock(bool state);
void updateSubpresentations(int updateParentsOnlyVal = 0);
int clipX() const;
int instance() const;
protected:
void mouseDoubleClickEvent(QGraphicsSceneMouseEvent *event) override;
private:
void initialize();
void initializeAnimations();
void animateExpand(ExpandState state);
void updateDepthRecursive();
void updateLockRecursive(bool state);
void updateLabelPosition();
void updateIndices(bool isInsertion, int startIndex, int startIndexInLayout, bool isProperty);
bool hasActionButtons() const;
bool hasComponentAncestor() const;
int removeChildFromLayout(RowTree *child) const;
int getCountDecendentsRecursive() const;
int addToLayout(int indexInLayout);
int getLastChildIndex(bool isProperty) const;
RowTree *m_parentRow = nullptr;
RowTimeline *m_rowTimeline = nullptr;
int m_depth = 1;
int m_index = 0;
int m_indexInLayout = 1;
bool m_shy = false;
bool m_visible = true;
bool m_locked = false;
bool m_isProperty = false;
bool m_isPropertyExpanded = false;
bool m_master = false;
bool m_filtered = false;
bool m_arrowVisible = false;
bool m_dndHover = false;
bool m_visibilityCtrld = false;
bool m_onMasterSlide = false;
DnDState m_dndState = DnDState::None;
ActionStates m_actionStates = ActionState::None;
bool m_hasSubpresentation = false;
int m_numDescendantSubpresentations = 0;
ExpandState m_expandState = ExpandState::HiddenCollapsed;
TimelineGraphicsScene *m_scene;
RowTreeLabelItem m_labelItem;
EStudioObjectType m_rowType = OBJTYPE_UNKNOWN;
QString m_propertyType; // for property rows
QString m_label;
QList<RowTree *> m_childRows;
QList<RowTree *> m_childProps;
QStringList m_variantsGroups;
ITimelineItemBinding *m_binding = nullptr;
ITimelineItemProperty *m_PropBinding = nullptr; // for property rows
QRect m_rectArrow;
QRect m_rectShy;
QRect m_rectVisible;
QRect m_rectLocked;
QRect m_rectType;
QParallelAnimationGroup m_expandAnimation;
QPropertyAnimation *m_expandHeightAnimation;
QPropertyAnimation *m_expandTimelineHeightAnimation;
QPropertyAnimation *m_expandOpacityAnimation;
QPropertyAnimation *m_expandTimelineOpacityAnimation;
friend class RowTimeline;
friend class RowTimelinePropertyGraph;
friend class RowTimelineContextMenu;
};
Q_DECLARE_OPERATORS_FOR_FLAGS(RowTree::ActionStates)
#endif // ROWTREE_H
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