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/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the examples of PySide2.
**
** $QT_BEGIN_LICENSE:BSD$
** 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.
**
** BSD License Usage
** Alternatively, you may use this file under the terms of the BSD license
** as follows:
**
** "Redistribution and use in source and binary forms, with or without
** modification, are permitted provided that the following conditions are
** met:
** * Redistributions of source code must retain the above copyright
** notice, this list of conditions and the following disclaimer.
** * Redistributions in binary form must reproduce the above copyright
** notice, this list of conditions and the following disclaimer in
** the documentation and/or other materials provided with the
** distribution.
** * Neither the name of The Qt Company Ltd nor the names of its
** contributors may be used to endorse or promote products derived
** from this software without specific prior written permission.
**
**
** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef VIEW_H
#define VIEW_H
#include <QAbstractItemView>
#include <QItemSelection>
#include <QItemSelectionModel>
#include <QModelIndex>
#include <QRect>
#include <QSize>
#include <QWidget>
class LinearView : public QAbstractItemView
{
Q_OBJECT
public:
LinearView(QWidget *parent = 0);
QRect itemViewportRect(const QModelIndex &index) const;
void ensureVisible(const QModelIndex &index);
QModelIndex itemAt(int x, int y) const;
protected slots:
/*void dataChanged(const QModelIndex &topLeft, const QModelIndex
&bottomRight);*/
void rowsInserted(const QModelIndex &parent, int start, int end);
void rowsRemoved(const QModelIndex &parent, int start, int end);
/*void selectionChanged(const QItemSelection &deselected, const QItemSelection &selected);
void verticalScrollbarAction(int action);
void horizontalScrollbarAction(int action);*/
protected:
void setSelection(const QRect&, QItemSelectionModel::SelectionFlags command);
QRect selectionViewportRect(const QItemSelection &selection) const;
QRect itemRect(const QModelIndex &item) const;
bool isIndexHidden(const QModelIndex &index) const;
int horizontalOffset() const;
int verticalOffset() const;
QModelIndex moveCursor(QAbstractItemView::CursorAction cursorAction,
Qt::KeyboardModifiers modifiers);
void paintEvent(QPaintEvent *event);
void resizeEvent(QResizeEvent *event);
QSize sizeHint() const;
private:
int rows(const QModelIndex &index = QModelIndex()) const;
void updateGeometries();
};
#endif
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