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+/****************************************************************************
+**
+** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the plugins of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** GNU Lesser General Public License Usage
+** 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, Nokia gives you certain additional
+** rights. These rights are described in the Nokia 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.
+**
+** Other Usage
+** Alternatively, this file may be used in accordance with the terms and
+** conditions contained in a signed written agreement between you and Nokia.
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef ACCESSIBLE_ITEMVIEWS_H
+#define ACCESSIBLE_ITEMVIEWS_H
+
+#include <QtGui/qabstractitemview.h>
+#include <QtGui/qheaderview.h>
+#include <QtGui/qaccessible.h>
+#include <QtGui/qaccessible2.h>
+#include <QtGui/qaccessiblewidget.h>
+
+
+QT_BEGIN_NAMESPACE
+
+#ifndef QT_NO_ACCESSIBILITY
+
+#ifndef QT_NO_ITEMVIEWS
+
+class QAccessibleTable2Cell;
+class QAccessibleTable2HeaderCell;
+
+class QAccessibleTable2: public QAccessibleTable2Interface, public QAccessibleObjectEx
+{
+ Q_ACCESSIBLE_OBJECT
+public:
+ explicit QAccessibleTable2(QWidget *w);
+
+ virtual ~QAccessibleTable2();
+
+ QObject *object() const { return view; }
+ Role role(int child) const;
+ State state(int child) const;
+ QString text(Text t, int child) const;
+ QRect rect(int child) const;
+
+ int childAt(int x, int y) const;
+ int childCount() const;
+ int indexOfChild(const QAccessibleInterface *) const;
+
+ int navigate(RelationFlag relation, int index, QAccessibleInterface **iface) const;
+ Relation relationTo(int child, const QAccessibleInterface *other, int otherChild) const;
+
+#ifndef QT_NO_ACTION
+ int userActionCount(int child) const;
+ QString actionText(int action, Text t, int child) const;
+ bool doAction(int action, int child, const QVariantList &params);
+#endif
+ QVariant invokeMethodEx(Method, int, const QVariantList &) { return QVariant(); }
+
+ // table2 interface
+ virtual QAccessibleTable2CellInterface *cellAt(int row, int column) const;
+ virtual QAccessibleInterface *caption() const;
+ virtual QAccessibleInterface *summary() const;
+ virtual QString columnDescription(int column) const;
+ virtual QString rowDescription(int row) const;
+ virtual int columnCount() const;
+ virtual int rowCount() const;
+ virtual QAccessible2::TableModelChange modelChange() const;
+
+ // selection
+ virtual int selectedCellCount() const;
+ virtual int selectedColumnCount() const;
+ virtual int selectedRowCount() const;
+ virtual QList<QAccessibleTable2CellInterface*> selectedCells() const;
+ virtual QList<int> selectedColumns() const;
+ virtual QList<int> selectedRows() const;
+ virtual bool isColumnSelected(int column) const;
+ virtual bool isRowSelected(int row) const;
+ virtual bool selectRow(int row);
+ virtual bool selectColumn(int column);
+ virtual bool unselectRow(int row);
+ virtual bool unselectColumn(int column);
+
+protected:
+ virtual void modelReset();
+ virtual void rowsInserted(const QModelIndex &parent, int first, int last);
+ virtual void rowsRemoved(const QModelIndex &parent, int first, int last);
+ virtual void columnsInserted(const QModelIndex &parent, int first, int last);
+ virtual void columnsRemoved(const QModelIndex &parent, int first, int last);
+ virtual void rowsMoved( const QModelIndex &parent, int start, int end, const QModelIndex &destination, int row);
+ virtual void columnsMoved( const QModelIndex &parent, int start, int end, const QModelIndex &destination, int column);
+
+protected:
+ QAbstractItemView* view;
+ QAccessible2::TableModelChange lastChange;
+ inline QAccessibleTable2Cell *cell(const QModelIndex &index) const;
+ 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;
+private:
+ // the child index for a model index
+ inline int logicalIndex(const QModelIndex &index) const;
+ // the model index from the child index
+ QAccessibleInterface *childFromLogical(int logicalIndex) const;
+ QAccessible::Role m_role;
+};
+
+class QAccessibleTree :public QAccessibleTable2
+{
+public:
+ explicit QAccessibleTree(QWidget *w)
+ : QAccessibleTable2(w)
+ {}
+
+ virtual ~QAccessibleTree() {}
+
+ int childAt(int x, int y) const;
+ int childCount() const;
+ int indexOfChild(const QAccessibleInterface *) const;
+
+ int rowCount() const;
+
+ int navigate(RelationFlag relation, int index, QAccessibleInterface **iface) const;
+ Relation relationTo(int child, const QAccessibleInterface *other, int otherChild) const;
+
+ // table2 interface
+ QAccessibleTable2CellInterface *cellAt(int row, int column) const;
+ QString rowDescription(int row) const;
+ bool isRowSelected(int row) const;
+ bool selectRow(int row);
+
+private:
+ QModelIndex indexFromLogical(int row, int column = 0) const;
+};
+
+class QAccessibleTable2Cell: public QAccessibleTable2CellInterface /*), public QAccessibleTextInterface, public QAccessibleSimpleEditableTextInterface*/
+{
+public:
+ QAccessibleTable2Cell(QAbstractItemView *view, const QModelIndex &m_index, QAccessible::Role role);
+
+ QObject *object() const { return 0; }
+ Role role(int child) const;
+ State state(int child) const;
+ QRect rect(int child) const;
+ bool isValid() const;
+
+ int childAt(int, int) const { return 0; }
+ int childCount() const { return 0; }
+ int indexOfChild(const QAccessibleInterface *) const { return -1; }
+
+ QString text(Text t, int child) const;
+ void setText(Text t, int child, const QString &text);
+
+ int navigate(RelationFlag relation, int m_index, QAccessibleInterface **iface) const;
+ Relation relationTo(int child, const QAccessibleInterface *other, int otherChild) const;
+
+ bool isExpandable() const;
+
+#ifndef QT_NO_ACTION
+ int userActionCount(int child) const;
+ QString actionText(int action, Text t, int child) const;
+ bool doAction(int action, int child, const QVariantList &params);
+#endif
+
+ // cell interface
+ virtual int columnExtent() const;
+ virtual QList<QAccessibleInterface*> columnHeaderCells() const;
+ virtual int columnIndex() const;
+ virtual int rowExtent() const;
+ virtual QList<QAccessibleInterface*> rowHeaderCells() const;
+ virtual int rowIndex() const;
+ virtual bool isSelected() const;
+ virtual void rowColumnExtents(int *row, int *column, int *rowExtents, int *columnExtents, bool *selected) const;
+ virtual QAccessibleTable2Interface* table() const;
+
+private:
+ QHeaderView *verticalHeader() const;
+ QHeaderView *horizontalHeader() const;
+ QAbstractItemView *view;
+ QModelIndex m_index;
+ QAccessible::Role m_role;
+
+friend class QAccessibleTable2;
+friend class QAccessibleTree;
+};
+
+
+class QAccessibleTable2HeaderCell: public QAccessibleInterface /*), public QAccessibleTextInterface, public QAccessibleSimpleEditableTextInterface*/
+{
+public:
+ // For header cells, pass the header view in addition
+ QAccessibleTable2HeaderCell(QAbstractItemView *view, int index, Qt::Orientation orientation);
+
+ QObject *object() const { return 0; }
+ Role role(int child) const;
+ State state(int child) const;
+ QRect rect(int child) const;
+ bool isValid() const;
+
+ int childAt(int, int) const { return 0; }
+ int childCount() const { return 0; }
+ int indexOfChild(const QAccessibleInterface *) const { return -1; }
+
+ QString text(Text t, int child) const;
+ void setText(Text t, int child, const QString &text);
+
+ int navigate(RelationFlag relation, int index, QAccessibleInterface **iface) const;
+ Relation relationTo(int child, const QAccessibleInterface *other, int otherChild) const;
+
+#ifndef QT_NO_ACTION
+ int userActionCount(int child) const;
+ QString actionText(int action, Text t, int child) const;
+ bool doAction(int action, int child, const QVariantList &params);
+#endif
+
+private:
+ QAbstractItemView *view;
+ int index;
+ Qt::Orientation orientation;
+
+friend class QAccessibleTable2;
+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 QAccessibleTable2CornerButton: public QAccessibleInterface
+{
+public:
+ QAccessibleTable2CornerButton(QAbstractItemView *view_)
+ :view(view_)
+ {}
+
+ QObject *object() const { return 0; }
+ Role role(int child) const { Q_ASSERT(child == 0); return QAccessible::Pane; }
+ State state(int child) const { Q_ASSERT(child == 0); return QAccessible::Normal; }
+ QRect rect(int child) const { Q_ASSERT(child == 0); return QRect(); }
+ bool isValid() const { return true; }
+
+ int childAt(int, int) const { return 0; }
+ int childCount() const { return 0; }
+ int indexOfChild(const QAccessibleInterface *) const { return -1; }
+
+ QString text(Text, int) const { return QString(); }
+ void setText(Text, int, const QString &) {}
+
+ int navigate(RelationFlag relation, int index, QAccessibleInterface **iface) const
+ {
+ if (relation == QAccessible::Ancestor && index == 1) {
+ *iface = QAccessible::queryAccessibleInterface(view);
+ return 0;
+ }
+ return -1;
+ }
+ Relation relationTo(int, const QAccessibleInterface *, int) const
+ {
+ return QAccessible::Unrelated;
+ }
+
+#ifndef QT_NO_ACTION
+ int userActionCount(int) const { return 0; }
+ QString actionText(int, Text, int) const { return QString(); }
+ bool doAction(int, int, const QVariantList &) { return false; }
+#endif
+private:
+ QAbstractItemView *view;
+};
+
+
+#endif
+
+#endif // QT_NO_ACCESSIBILITY
+
+QT_END_NAMESPACE
+
+#endif // ACCESSIBLE_ITEMVIEWS_H