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https://bitbucket.org/smil3y/kde-playground.git
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119 lines
4.4 KiB
C++
119 lines
4.4 KiB
C++
/****************************************************************************
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** Copyright (C) 2001-2006 Klarälvdalens Datakonsult AB. All rights reserved.
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**
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** This file is part of the KD Gantt library.
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**
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** This file may be distributed and/or modified under the terms of the
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** GNU General Public License version 2 as published by the Free Software
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** Foundation and appearing in the file LICENSE.GPL included in the
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** packaging of this file.
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**
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** Licensees holding valid commercial KD Gantt licenses may use this file in
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** accordance with the KD Gantt Commercial License Agreement provided with
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** the Software.
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**
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** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
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** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
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**
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** See http://www.kdab.net/kdgantt for
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** information about KD Gantt Commercial License Agreements.
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**
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** Contact info@kdab.net if any conditions of this
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** licensing are not clear to you.
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**
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**********************************************************************/
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#ifndef KDGANTTGRAPHICSITEM_H
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#define KDGANTTGRAPHICSITEM_H
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#include "kdganttglobal.h"
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#include "kdganttstyleoptionganttitem.h"
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#include <QGraphicsItem>
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#include <QDateTime>
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#include <QPersistentModelIndex>
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#include <QGraphicsLineItem>
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namespace KDGantt {
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class GraphicsScene;
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class ConstraintGraphicsItem;
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/* Can we fit every kind of item into one gfxitem class? */
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class GraphicsItem : public QGraphicsItem {
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public:
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enum { Type = UserType + 42 };
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explicit GraphicsItem( QGraphicsItem* parent = 0, GraphicsScene* scene = 0 );
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explicit GraphicsItem( const QModelIndex& idx, QGraphicsItem* parent = 0, GraphicsScene* scene = 0 );
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virtual ~GraphicsItem();
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/*reimp*/int type() const;
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/*reimp (non-virtual)*/ GraphicsScene* scene() const;
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void updateItem( const Span& rowgeometry, const QPersistentModelIndex& idx );
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//virtual ItemType itemType() const = 0;
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//qreal dateTimeToSceneX( const QDateTime& dt ) const;
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//QDateTime sceneXtoDateTime( qreal x ) const;
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QRectF rect() const { return m_rect; }
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void setRect( const QRectF& r );
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void setBoundingRect( const QRectF& r );
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virtual QString ganttToolTip() const;
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const QPersistentModelIndex& index() const { return m_index; }
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void setIndex( const QPersistentModelIndex& idx );
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bool isEditable() const;
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bool isUpdating() const { return m_isupdating; }
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void addStartConstraint( ConstraintGraphicsItem* );
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void addEndConstraint( ConstraintGraphicsItem* );
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void removeStartConstraint( ConstraintGraphicsItem* );
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void removeEndConstraint( ConstraintGraphicsItem* );
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QList<ConstraintGraphicsItem*> startConstraints() const { return m_startConstraints; }
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QList<ConstraintGraphicsItem*> endConstraints() const { return m_endConstraints; }
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/*reimp*/ QRectF boundingRect() const;
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/*reimp*/ void paint( QPainter* painter, const QStyleOptionGraphicsItem* option,
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QWidget* widget = 0 );
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/*reimp*/ QVariant itemChange( GraphicsItemChange, const QVariant& value );
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protected:
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/*reimp*/ void focusInEvent( QFocusEvent* event );
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/*reimp*/ void hoverMoveEvent( QGraphicsSceneHoverEvent* );
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/*reimp*/ void hoverLeaveEvent( QGraphicsSceneHoverEvent* );
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/*reimp*/ void mousePressEvent( QGraphicsSceneMouseEvent* );
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/*reimp*/ void mouseReleaseEvent( QGraphicsSceneMouseEvent* );
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/*reimp*/ void mouseDoubleClickEvent( QGraphicsSceneMouseEvent* );
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/*reimp*/ void mouseMoveEvent( QGraphicsSceneMouseEvent* );
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private:
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void init();
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QPointF startConnector() const;
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QPointF endConnector() const;
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void updateConstraintItems();
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StyleOptionGanttItem getStyleOption() const;
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void updateModel();
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void updateItemFromMouse( const QPointF& scenepos );
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void constraintsChanged();
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QRectF m_rect;
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QRectF m_boundingrect;
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QPersistentModelIndex m_index;
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bool m_isupdating;
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int m_istate;
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QPointF m_presspos;
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QPointF m_pressscenepos;
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QGraphicsLineItem* m_dragline;
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GraphicsItem* m_dragtarget;
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QList<ConstraintGraphicsItem*> m_startConstraints;
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QList<ConstraintGraphicsItem*> m_endConstraints;
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};
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}
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#endif /* KDGANTTGRAPHICSITEM_H */
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