mirror of
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313 lines
11 KiB
C++
313 lines
11 KiB
C++
/****************************************************************************
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**
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** Copyright (C) 2015 The Qt Company Ltd.
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** Copyright (C) 2016-2021 Ivailo Monev
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**
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** This file is part of the plugins of the Katie Toolkit.
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**
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** $QT_BEGIN_LICENSE:LGPL$
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**
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** GNU Lesser General Public License Usage
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** This file may be used under the terms of the GNU Lesser
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** General Public License version 2.1 as published by the Free Software
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** Foundation and appearing in the file LICENSE.LGPL included in the
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** packaging of this file. Please review the following information to
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** ensure the GNU Lesser General Public License version 2.1 requirements
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** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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**
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** As a special exception, The Qt Company gives you certain additional
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** rights. These rights are described in The Qt Company LGPL Exception
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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**
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** GNU General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU
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** General Public License version 3.0 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. Please review the following information to
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** ensure the GNU General Public License version 3.0 requirements will be
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** met: http://www.gnu.org/copyleft/gpl.html.
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**
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#ifndef ACCESSIBLE_ITEMVIEWS_H
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#define ACCESSIBLE_ITEMVIEWS_H
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#include "QtCore/qpointer.h"
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#include <QtGui/qabstractitemview.h>
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#include <QtGui/qheaderview.h>
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#include <QtGui/qaccessible.h>
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#include <QtGui/qaccessible2.h>
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#include <QtGui/qaccessiblewidget.h>
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QT_BEGIN_NAMESPACE
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#ifndef QT_NO_ACCESSIBILITY
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#ifndef QT_NO_ITEMVIEWS
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class QAccessibleTable2Cell;
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class QAccessibleTable2HeaderCell;
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class QAccessibleTable2 :public QAccessibleTable2Interface, public QAccessibleObject
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{
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Q_ACCESSIBLE_OBJECT
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public:
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explicit QAccessibleTable2(QWidget *w);
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virtual ~QAccessibleTable2();
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Role role(int child) const;
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State state(int child) const;
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QString text(Text t, int child) const;
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QRect rect(int child) const;
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int childAt(int x, int y) const;
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int childCount() const;
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int indexOfChild(const QAccessibleInterface *) const;
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int navigate(RelationFlag relation, int index, QAccessibleInterface **iface) const;
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Relation relationTo(int child, const QAccessibleInterface *other, int otherChild) const;
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#ifndef QT_NO_ACTION
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int userActionCount(int child) const;
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QString actionText(int action, Text t, int child) const;
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bool doAction(int action, int child, const QVariantList ¶ms);
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#endif
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QVariant invokeMethodEx(Method, int, const QVariantList &) { return QVariant(); }
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// table2 interface
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virtual QAccessibleTable2CellInterface *cellAt(int row, int column) const;
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virtual QAccessibleInterface *caption() const;
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virtual QAccessibleInterface *summary() const;
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virtual QString columnDescription(int column) const;
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virtual QString rowDescription(int row) const;
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virtual int columnCount() const;
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virtual int rowCount() const;
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virtual QAccessible2::TableModelChange modelChange() const;
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// selection
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virtual int selectedCellCount() const;
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virtual int selectedColumnCount() const;
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virtual int selectedRowCount() const;
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virtual QList<QAccessibleTable2CellInterface*> selectedCells() const;
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virtual QList<int> selectedColumns() const;
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virtual QList<int> selectedRows() const;
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virtual bool isColumnSelected(int column) const;
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virtual bool isRowSelected(int row) const;
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virtual bool selectRow(int row);
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virtual bool selectColumn(int column);
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virtual bool unselectRow(int row);
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virtual bool unselectColumn(int column);
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QAbstractItemView *view() const;
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protected:
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virtual void modelReset();
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virtual void rowsInserted(const QModelIndex &parent, int first, int last);
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virtual void rowsRemoved(const QModelIndex &parent, int first, int last);
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virtual void columnsInserted(const QModelIndex &parent, int first, int last);
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virtual void columnsRemoved(const QModelIndex &parent, int first, int last);
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virtual void rowsMoved( const QModelIndex &parent, int start, int end, const QModelIndex &destination, int row);
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virtual void columnsMoved( const QModelIndex &parent, int start, int end, const QModelIndex &destination, int column);
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protected:
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QAccessible2::TableModelChange lastChange;
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inline QAccessibleTable2Cell *cell(const QModelIndex &index) const;
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inline QAccessible::Role cellRole() const {
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switch (m_role) {
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case QAccessible::List:
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return QAccessible::ListItem;
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case QAccessible::Table:
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return QAccessible::Cell;
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case QAccessible::Tree:
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return QAccessible::TreeItem;
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default:
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Q_ASSERT(false);
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}
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return QAccessible::NoRole;
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}
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QHeaderView *horizontalHeader() const;
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QHeaderView *verticalHeader() const;
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private:
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// the child index for a model index
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inline int logicalIndex(const QModelIndex &index) const;
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// the model index from the child index
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QAccessibleInterface *childFromLogical(int logicalIndex) const;
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QAccessible::Role m_role;
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};
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class QAccessibleTree :public QAccessibleTable2
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{
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public:
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explicit QAccessibleTree(QWidget *w)
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: QAccessibleTable2(w)
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{}
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virtual ~QAccessibleTree() {}
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int childAt(int x, int y) const;
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int childCount() const;
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int indexOfChild(const QAccessibleInterface *) const;
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int rowCount() const;
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int navigate(RelationFlag relation, int index, QAccessibleInterface **iface) const;
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Relation relationTo(int child, const QAccessibleInterface *other, int otherChild) const;
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// table2 interface
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QAccessibleTable2CellInterface *cellAt(int row, int column) const;
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QString rowDescription(int row) const;
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bool isRowSelected(int row) const;
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bool selectRow(int row);
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private:
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QModelIndex indexFromLogical(int row, int column = 0) const;
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};
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class QAccessibleTable2Cell: public QAccessibleTable2CellInterface /*), public QAccessibleTextInterface, public QAccessibleSimpleEditableTextInterface*/
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{
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public:
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QAccessibleTable2Cell(QAbstractItemView *view, const QModelIndex &m_index, QAccessible::Role role);
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QObject *object() const { return 0; }
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Role role(int child) const;
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State state(int child) const;
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QRect rect(int child) const;
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bool isValid() const;
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int childAt(int, int) const { return 0; }
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int childCount() const { return 0; }
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int indexOfChild(const QAccessibleInterface *) const { return -1; }
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QString text(Text t, int child) const;
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void setText(Text t, int child, const QString &text);
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int navigate(RelationFlag relation, int m_index, QAccessibleInterface **iface) const;
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Relation relationTo(int child, const QAccessibleInterface *other, int otherChild) const;
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bool isExpandable() const;
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#ifndef QT_NO_ACTION
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int userActionCount(int child) const;
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QString actionText(int action, Text t, int child) const;
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bool doAction(int action, int child, const QVariantList ¶ms);
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#endif
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// cell interface
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virtual int columnExtent() const;
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virtual QList<QAccessibleInterface*> columnHeaderCells() const;
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virtual int columnIndex() const;
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virtual int rowExtent() const;
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virtual QList<QAccessibleInterface*> rowHeaderCells() const;
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virtual int rowIndex() const;
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virtual bool isSelected() const;
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virtual void rowColumnExtents(int *row, int *column, int *rowExtents, int *columnExtents, bool *selected) const;
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virtual QAccessibleTable2Interface* table() const;
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private:
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QHeaderView *verticalHeader() const;
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QHeaderView *horizontalHeader() const;
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QPointer<QAbstractItemView > view;
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QModelIndex m_index;
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QAccessible::Role m_role;
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friend class QAccessibleTable2;
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friend class QAccessibleTree;
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};
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class QAccessibleTable2HeaderCell: public QAccessibleInterface /*), public QAccessibleTextInterface, public QAccessibleSimpleEditableTextInterface*/
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{
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public:
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// For header cells, pass the header view in addition
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QAccessibleTable2HeaderCell(QAbstractItemView *view, int index, Qt::Orientation orientation);
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QObject *object() const { return 0; }
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Role role(int child) const;
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State state(int child) const;
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QRect rect(int child) const;
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bool isValid() const;
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int childAt(int, int) const { return 0; }
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int childCount() const { return 0; }
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int indexOfChild(const QAccessibleInterface *) const { return -1; }
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QString text(Text t, int child) const;
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void setText(Text t, int child, const QString &text);
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int navigate(RelationFlag relation, int index, QAccessibleInterface **iface) const;
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Relation relationTo(int child, const QAccessibleInterface *other, int otherChild) const;
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#ifndef QT_NO_ACTION
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int userActionCount(int child) const;
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QString actionText(int action, Text t, int child) const;
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bool doAction(int action, int child, const QVariantList ¶ms);
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#endif
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private:
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QAbstractItemView *view;
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int index;
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Qt::Orientation orientation;
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friend class QAccessibleTable2;
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friend class QAccessibleTree;
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};
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// This is the corner button on the top left of a table.
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// It can be used to select all cells or it is not active at all.
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// For now it is ignored.
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class QAccessibleTable2CornerButton: public QAccessibleInterface
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{
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public:
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QAccessibleTable2CornerButton(QAbstractItemView *view_)
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:view(view_)
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{}
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QObject *object() const { return 0; }
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Role role(int child) const { Q_ASSERT(child == 0); return QAccessible::Pane; }
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State state(int child) const { Q_ASSERT(child == 0); return QAccessible::Normal; }
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QRect rect(int child) const { Q_ASSERT(child == 0); return QRect(); }
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bool isValid() const { return true; }
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int childAt(int, int) const { return 0; }
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int childCount() const { return 0; }
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int indexOfChild(const QAccessibleInterface *) const { return -1; }
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QString text(Text, int) const { return QString(); }
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void setText(Text, int, const QString &) {}
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int navigate(RelationFlag relation, int index, QAccessibleInterface **iface) const
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{
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if (relation == QAccessible::Ancestor && index == 1) {
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*iface = QAccessible::queryAccessibleInterface(view);
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return 0;
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}
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return -1;
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}
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Relation relationTo(int, const QAccessibleInterface *, int) const
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{
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return QAccessible::Unrelated;
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}
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#ifndef QT_NO_ACTION
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int userActionCount(int) const { return 0; }
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QString actionText(int, Text, int) const { return QString(); }
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bool doAction(int, int, const QVariantList &) { return false; }
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#endif
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private:
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QAbstractItemView *view;
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};
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#endif
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#endif // QT_NO_ACCESSIBILITY
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QT_END_NAMESPACE
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#endif // ACCESSIBLE_ITEMVIEWS_H
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