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70 lines
2.6 KiB
C++
70 lines
2.6 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 KDGANTTABSTRACTGRID_H
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#define KDGANTTABSTRACTGRID_H
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#include "kdganttglobal.h"
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#include "kdganttconstraint.h"
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#include <QPainter>
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#include <QRectF>
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#include <QAbstractItemModel>
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#include <QModelIndex>
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namespace KDGantt {
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class AbstractRowController;
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class Span;
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class KDGANTT_EXPORT AbstractGrid : public QObject {
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Q_OBJECT
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KDGANTT_DECLARE_PRIVATE_BASE_POLYMORPHIC( AbstractGrid )
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friend class GraphicsScene;
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public:
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AbstractGrid(QObject* parent = 0);
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virtual ~AbstractGrid();
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QAbstractItemModel* model() const;
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QModelIndex rootIndex() const;
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virtual Span mapToChart( const QModelIndex& idx ) const = 0;
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virtual bool mapFromChart( const Span& span, const QModelIndex& idx,
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const QList<Constraint>& constraints=QList<Constraint>() ) const = 0;
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bool isSatisfiedConstraint( const Constraint& c ) const;
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virtual void paintGrid( QPainter* painter, const QRectF& sceneRect, const QRectF& exposedRect,
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AbstractRowController* rowController = 0, QWidget* widget=0 ) = 0;
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virtual void paintHeader( QPainter* painter, const QRectF& headerRect, const QRectF& exposedRect,
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qreal offset, QWidget* widget=0 ) = 0;
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public Q_SLOTS:
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/*internal*/ virtual void setModel( QAbstractItemModel* model );
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/*internal*/ virtual void setRootIndex( const QModelIndex& idx );
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Q_SIGNALS:
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void gridChanged();
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};
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}
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#endif /* KDGANTTABSTRACTGRID_H */
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