libkf5kdgantt2-dev 4:16.04.2-1 / usr / include / KF5 / kdgantt2 / kdganttgraphicsview.h

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/****************************************************************************
 ** Copyright (C) 2001-2006 Klarälvdalens Datakonsult AB.  All rights reserved.
 **
 ** This file is part of the KD Gantt library.
 **
 ** This file may be distributed and/or modified under the terms of the
 ** GNU General Public License version 2 as published by the Free Software
 ** Foundation and appearing in the file LICENSE.GPL included in the
 ** packaging of this file.
 **
 ** Licensees holding valid commercial KD Gantt licenses may use this file in
 ** accordance with the KD Gantt Commercial License Agreement provided with
 ** the Software.
 **
 ** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
 ** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
 **
 ** See http://www.kdab.net/kdgantt for
 **   information about KD Gantt Commercial License Agreements.
 **
 ** Contact info@kdab.net if any conditions of this
 ** licensing are not clear to you.
 **
 **********************************************************************/
#ifndef KDGANTTGRAPHICSVIEW_H
#define KDGANTTGRAPHICSVIEW_H

#include <QGraphicsView>

#include "kdganttglobal.h"

class QModelIndex;
class QAbstractItemModel;
class QAbstractProxyModel;
class QItemSelectionModel;
class QPrinter;
namespace KDGantt
{
class AbstractRowController;
class AbstractGrid;
class GraphicsItem;
class ConstraintModel;
class ItemDelegate;

class KDGANTT_EXPORT GraphicsView : public QGraphicsView
{
    Q_OBJECT
    KDGANTT_DECLARE_PRIVATE_BASE_POLYMORPHIC(GraphicsView)

    Q_PROPERTY(bool readOnly READ isReadOnly WRITE setReadOnly)

    Q_PRIVATE_SLOT(d, void slotGridChanged())
    Q_PRIVATE_SLOT(d, void slotHorizontalScrollValueChanged(int))
    Q_PRIVATE_SLOT(d, void slotHeaderContextMenuRequested(const QPoint &))
    /* slots for QAbstractItemModel signals */
    Q_PRIVATE_SLOT(d, void slotColumnsInserted(const QModelIndex &parent,  int start, int end))
    Q_PRIVATE_SLOT(d, void slotColumnsRemoved(const QModelIndex &parent,  int start, int end))
    Q_PRIVATE_SLOT(d, void slotDataChanged(const QModelIndex &topLeft, const QModelIndex &bottomRight))
    Q_PRIVATE_SLOT(d, void slotLayoutChanged())
    Q_PRIVATE_SLOT(d, void slotModelReset())
    Q_PRIVATE_SLOT(d, void slotRowsInserted(const QModelIndex &parent,  int start, int end))
    Q_PRIVATE_SLOT(d, void slotRowsAboutToBeRemoved(const QModelIndex &parent,  int start, int end))
    Q_PRIVATE_SLOT(d, void slotRowsRemoved(const QModelIndex &parent,  int start, int end))

    Q_PRIVATE_SLOT(d, void slotItemClicked(const QModelIndex &idx))
    Q_PRIVATE_SLOT(d, void slotItemDoubleClicked(const QModelIndex &idx))
public:

    explicit GraphicsView(QWidget *parent = Q_NULLPTR);
    virtual ~GraphicsView();

    QAbstractItemModel *model() const;
    QAbstractProxyModel *summaryHandlingModel() const;
    ConstraintModel *constraintModel() const;
    QModelIndex rootIndex() const;
    QItemSelectionModel *selectionModel() const;
    AbstractRowController *rowController() const;
    AbstractGrid *grid() const;
    ItemDelegate *itemDelegate() const;

    bool isReadOnly() const;

    void setHeaderContextMenuPolicy(Qt::ContextMenuPolicy);
    Qt::ContextMenuPolicy headerContextMenuPolicy() const;

    QModelIndex indexAt(const QPoint &pos) const;

    virtual void addConstraint(const QModelIndex &from,
                               const QModelIndex &to,
                               Qt::KeyboardModifiers modifiers);

    void clearItems();
    void updateRow(const QModelIndex &);
    void updateScene();

public Q_SLOTS:
    void updateSceneRect();

public:
    void deleteSubtree(const QModelIndex &);

    void print(QPrinter *printer, bool drawRowLabels = true);
    void print(QPrinter *printer, qreal start, qreal end, bool drawRowLabels = true);
    void print(QPainter *painter, const QRectF &target = QRectF(), bool drawRowLabels = true);
    void print(QPainter *painter, qreal start, qreal end,
               const QRectF &target = QRectF(), bool drawRowLabels = true);

public Q_SLOTS:
    void setModel(QAbstractItemModel *);
    void setSummaryHandlingModel(QAbstractProxyModel *model);
    void setConstraintModel(ConstraintModel *);
    void setRootIndex(const QModelIndex &);
    void setSelectionModel(QItemSelectionModel *);
    void setRowController(AbstractRowController *);
    void setGrid(AbstractGrid *);
    void setItemDelegate(ItemDelegate *delegate);
    void setReadOnly(bool);

Q_SIGNALS:
    void activated(const QModelIndex &index);
    void clicked(const QModelIndex &index);
    void doubleClicked(const QModelIndex &index);
    void entered(const QModelIndex &index);
    void pressed(const QModelIndex &index);
    void headerContextMenuRequested(const QPoint &pt);

protected:
    void resizeEvent(QResizeEvent *) Q_DECL_OVERRIDE;
private:
    friend class View;

    GraphicsItem *createItem(ItemType type) const;
};
}

#endif /* KDGANTTGRAPHICSVIEW_H */

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