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-/****************************************************************************
-**
-** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
-** Contact: http://www.qt-project.org/legal
-**
-** This file is part of the plugins of the Qt Toolkit.
-**
-** $QT_BEGIN_LICENSE:LGPL$
-** 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 Digia. For licensing terms and
-** conditions see http://qt.digia.com/licensing. For further information
-** use the contact form at http://qt.digia.com/contact-us.
-**
-** GNU Lesser General Public License Usage
-** Alternatively, this file may be used under the terms of the GNU Lesser
-** General Public License version 2.1 as published by the Free Software
-** Foundation and appearing in the file LICENSE.LGPL included in the
-** packaging of this file. Please review the following information to
-** ensure the GNU Lesser General Public License version 2.1 requirements
-** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
-**
-** In addition, as a special exception, Digia gives you certain additional
-** rights. These rights are described in the Digia Qt LGPL Exception
-** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
-**
-** GNU General Public License Usage
-** Alternatively, this file may be used under the terms of the GNU
-** General Public License version 3.0 as published by the Free Software
-** Foundation and appearing in the file LICENSE.GPL included in the
-** packaging of this file. Please review the following information to
-** ensure the GNU General Public License version 3.0 requirements will be
-** met: http://www.gnu.org/copyleft/gpl.html.
-**
-**
-** $QT_END_LICENSE$
-**
-****************************************************************************/
-
-#ifndef ACCESSIBLE_ITEMVIEWS_H
-#define ACCESSIBLE_ITEMVIEWS_H
-
-#include "QtCore/qpointer.h"
-#include <QtGui/qaccessible.h>
-#include <QtWidgets/qaccessiblewidget.h>
-#include <QtWidgets/qabstractitemview.h>
-#include <QtWidgets/qheaderview.h>
-
-
-QT_BEGIN_NAMESPACE
-
-#ifndef QT_NO_ACCESSIBILITY
-
-#ifndef QT_NO_ITEMVIEWS
-
-class QAccessibleTableCell;
-class QAccessibleTableHeaderCell;
-
-class QAccessibleTable :public QAccessibleTableInterface, public QAccessibleObject
-{
-public:
- explicit QAccessibleTable(QWidget *w);
- bool isValid() const Q_DECL_OVERRIDE;
-
- QAccessible::Role role() const Q_DECL_OVERRIDE;
- QAccessible::State state() const Q_DECL_OVERRIDE;
- QString text(QAccessible::Text t) const Q_DECL_OVERRIDE;
- QRect rect() const Q_DECL_OVERRIDE;
-
- QAccessibleInterface *childAt(int x, int y) const Q_DECL_OVERRIDE;
- int childCount() const Q_DECL_OVERRIDE;
- int indexOfChild(const QAccessibleInterface *) const Q_DECL_OVERRIDE;
-
- QAccessibleInterface *parent() const Q_DECL_OVERRIDE;
- QAccessibleInterface *child(int index) const Q_DECL_OVERRIDE;
-
- void *interface_cast(QAccessible::InterfaceType t) Q_DECL_OVERRIDE;
-
- // table interface
- virtual QAccessibleInterface *cellAt(int row, int column) const Q_DECL_OVERRIDE;
- virtual QAccessibleInterface *caption() const Q_DECL_OVERRIDE;
- virtual QAccessibleInterface *summary() const Q_DECL_OVERRIDE;
- virtual QString columnDescription(int column) const Q_DECL_OVERRIDE;
- virtual QString rowDescription(int row) const Q_DECL_OVERRIDE;
- virtual int columnCount() const Q_DECL_OVERRIDE;
- virtual int rowCount() const Q_DECL_OVERRIDE;
-
- // selection
- virtual int selectedCellCount() const Q_DECL_OVERRIDE;
- virtual int selectedColumnCount() const Q_DECL_OVERRIDE;
- virtual int selectedRowCount() const Q_DECL_OVERRIDE;
- virtual QList<QAccessibleInterface*> selectedCells() const Q_DECL_OVERRIDE;
- virtual QList<int> selectedColumns() const Q_DECL_OVERRIDE;
- virtual QList<int> selectedRows() const Q_DECL_OVERRIDE;
- virtual bool isColumnSelected(int column) const Q_DECL_OVERRIDE;
- virtual bool isRowSelected(int row) const Q_DECL_OVERRIDE;
- virtual bool selectRow(int row) Q_DECL_OVERRIDE;
- virtual bool selectColumn(int column) Q_DECL_OVERRIDE;
- virtual bool unselectRow(int row) Q_DECL_OVERRIDE;
- virtual bool unselectColumn(int column) Q_DECL_OVERRIDE;
-
- QAbstractItemView *view() const;
-
- void modelChange(QAccessibleTableModelChangeEvent *event) Q_DECL_OVERRIDE;
-
-protected:
- inline QAccessible::Role cellRole() const {
- switch (m_role) {
- case QAccessible::List:
- return QAccessible::ListItem;
- case QAccessible::Table:
- return QAccessible::Cell;
- case QAccessible::Tree:
- return QAccessible::TreeItem;
- default:
- Q_ASSERT(0);
- }
- return QAccessible::NoRole;
- }
-
- QHeaderView *horizontalHeader() const;
- QHeaderView *verticalHeader() const;
-
- // maybe vector
- typedef QHash<int, QAccessible::Id> ChildCache;
- mutable ChildCache childToId;
-
- virtual ~QAccessibleTable();
-
-private:
- // the child index for a model index
- inline int logicalIndex(const QModelIndex &index) const;
- QAccessible::Role m_role;
-};
-
-class QAccessibleTree :public QAccessibleTable
-{
-public:
- explicit QAccessibleTree(QWidget *w)
- : QAccessibleTable(w)
- {}
-
-
- QAccessibleInterface *childAt(int x, int y) const Q_DECL_OVERRIDE;
- int childCount() const Q_DECL_OVERRIDE;
- QAccessibleInterface *child(int index) const Q_DECL_OVERRIDE;
-
- int indexOfChild(const QAccessibleInterface *) const Q_DECL_OVERRIDE;
-
- int rowCount() const Q_DECL_OVERRIDE;
-
- // table interface
- QAccessibleInterface *cellAt(int row, int column) const Q_DECL_OVERRIDE;
- QString rowDescription(int row) const Q_DECL_OVERRIDE;
- bool isRowSelected(int row) const Q_DECL_OVERRIDE;
- bool selectRow(int row) Q_DECL_OVERRIDE;
-
-private:
- QModelIndex indexFromLogical(int row, int column = 0) const;
-
- inline int logicalIndex(const QModelIndex &index) const;
-};
-
-class QAccessibleTableCell: public QAccessibleInterface, public QAccessibleTableCellInterface, public QAccessibleActionInterface
-{
-public:
- QAccessibleTableCell(QAbstractItemView *view, const QModelIndex &m_index, QAccessible::Role role);
-
- void *interface_cast(QAccessible::InterfaceType t) Q_DECL_OVERRIDE;
- QObject *object() const Q_DECL_OVERRIDE { return 0; }
- QAccessible::Role role() const Q_DECL_OVERRIDE;
- QAccessible::State state() const Q_DECL_OVERRIDE;
- QRect rect() const Q_DECL_OVERRIDE;
- bool isValid() const Q_DECL_OVERRIDE;
-
- QAccessibleInterface *childAt(int, int) const Q_DECL_OVERRIDE { return 0; }
- int childCount() const Q_DECL_OVERRIDE { return 0; }
- int indexOfChild(const QAccessibleInterface *) const Q_DECL_OVERRIDE { return -1; }
-
- QString text(QAccessible::Text t) const Q_DECL_OVERRIDE;
- void setText(QAccessible::Text t, const QString &text) Q_DECL_OVERRIDE;
-
- QAccessibleInterface *parent() const Q_DECL_OVERRIDE;
- QAccessibleInterface *child(int) const Q_DECL_OVERRIDE;
-
- // cell interface
- virtual int columnExtent() const Q_DECL_OVERRIDE;
- virtual QList<QAccessibleInterface*> columnHeaderCells() const Q_DECL_OVERRIDE;
- virtual int columnIndex() const Q_DECL_OVERRIDE;
- virtual int rowExtent() const Q_DECL_OVERRIDE;
- virtual QList<QAccessibleInterface*> rowHeaderCells() const Q_DECL_OVERRIDE;
- virtual int rowIndex() const Q_DECL_OVERRIDE;
- virtual bool isSelected() const Q_DECL_OVERRIDE;
- virtual QAccessibleInterface* table() const Q_DECL_OVERRIDE;
-
- //action interface
- virtual QStringList actionNames() const Q_DECL_OVERRIDE;
- virtual void doAction(const QString &actionName) Q_DECL_OVERRIDE;
- virtual QStringList keyBindingsForAction(const QString &actionName) const Q_DECL_OVERRIDE;
-
-private:
- QHeaderView *verticalHeader() const;
- QHeaderView *horizontalHeader() const;
- QPointer<QAbstractItemView > view;
- QModelIndex m_index;
- QAccessible::Role m_role;
-
- void selectCell();
- void unselectCell();
-
-friend class QAccessibleTable;
-friend class QAccessibleTree;
-};
-
-
-class QAccessibleTableHeaderCell: public QAccessibleInterface
-{
-public:
- // For header cells, pass the header view in addition
- QAccessibleTableHeaderCell(QAbstractItemView *view, int index, Qt::Orientation orientation);
-
- QObject *object() const Q_DECL_OVERRIDE { return 0; }
- QAccessible::Role role() const Q_DECL_OVERRIDE;
- QAccessible::State state() const Q_DECL_OVERRIDE;
- QRect rect() const Q_DECL_OVERRIDE;
- bool isValid() const Q_DECL_OVERRIDE;
-
- QAccessibleInterface *childAt(int, int) const Q_DECL_OVERRIDE { return 0; }
- int childCount() const Q_DECL_OVERRIDE { return 0; }
- int indexOfChild(const QAccessibleInterface *) const Q_DECL_OVERRIDE { return -1; }
-
- QString text(QAccessible::Text t) const Q_DECL_OVERRIDE;
- void setText(QAccessible::Text t, const QString &text) Q_DECL_OVERRIDE;
-
- QAccessibleInterface *parent() const Q_DECL_OVERRIDE;
- QAccessibleInterface *child(int index) const Q_DECL_OVERRIDE;
-
-private:
- QHeaderView *headerView() const;
-
- QPointer<QAbstractItemView> view;
- int index;
- Qt::Orientation orientation;
-
-friend class QAccessibleTable;
-friend class QAccessibleTree;
-};
-
-// This is the corner button on the top left of a table.
-// It can be used to select all cells or it is not active at all.
-// For now it is ignored.
-class QAccessibleTableCornerButton: public QAccessibleInterface
-{
-public:
- QAccessibleTableCornerButton(QAbstractItemView *view_)
- :view(view_)
- {}
-
- QObject *object() const Q_DECL_OVERRIDE { return 0; }
- QAccessible::Role role() const Q_DECL_OVERRIDE { return QAccessible::Pane; }
- QAccessible::State state() const Q_DECL_OVERRIDE { return QAccessible::State(); }
- QRect rect() const Q_DECL_OVERRIDE { return QRect(); }
- bool isValid() const Q_DECL_OVERRIDE { return true; }
-
- QAccessibleInterface *childAt(int, int) const Q_DECL_OVERRIDE { return 0; }
- int childCount() const Q_DECL_OVERRIDE { return 0; }
- int indexOfChild(const QAccessibleInterface *) const Q_DECL_OVERRIDE { return -1; }
-
- QString text(QAccessible::Text) const Q_DECL_OVERRIDE { return QString(); }
- void setText(QAccessible::Text, const QString &) Q_DECL_OVERRIDE {}
-
- QAccessibleInterface *parent() const Q_DECL_OVERRIDE {
- return QAccessible::queryAccessibleInterface(view);
- }
- QAccessibleInterface *child(int) const Q_DECL_OVERRIDE {
- return 0;
- }
-
-private:
- QPointer<QAbstractItemView> view;
-};
-
-
-#endif
-
-#endif // QT_NO_ACCESSIBILITY
-
-QT_END_NAMESPACE
-
-#endif // ACCESSIBLE_ITEMVIEWS_H