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/****************************************************************************
**
** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the QtGui module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** No Commercial Usage
** This file contains pre-release code and may not be distributed.
** You may use this file in accordance with the terms and conditions
** contained in the Technology Preview License Agreement accompanying
** this package.
**
** 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, 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.
**
** If you have questions regarding the use of this file, please contact
** Nokia at qt-info@nokia.com.
**
**
**
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef QACCESSIBLE2_H
#define QACCESSIBLE2_H
#include <QtGui/qaccessible.h>
QT_BEGIN_HEADER
QT_BEGIN_NAMESPACE
QT_MODULE(Gui)
#ifndef QT_NO_ACCESSIBILITY
namespace QAccessible2
{
enum CoordinateType
{
RelativeToScreen = 0,
RelativeToParent = 1
};
enum BoundaryType {
CharBoundary,
WordBoundary,
SentenceBoundary,
ParagraphBoundary,
LineBoundary,
NoBoundary
};
}
class Q_GUI_EXPORT QAccessible2Interface
{
public:
virtual ~QAccessible2Interface() {}
};
// catch-all functions. If an accessible class doesn't implement interface T, return 0
inline QAccessible2Interface *qAccessibleValueCastHelper() { return 0; }
inline QAccessible2Interface *qAccessibleTextCastHelper() { return 0; }
inline QAccessible2Interface *qAccessibleEditableTextCastHelper() { return 0; }
inline QAccessible2Interface *qAccessibleTableCastHelper() { return 0; }
#define Q_ACCESSIBLE_OBJECT \
public: \
QAccessible2Interface *interface_cast(QAccessible2::InterfaceType t) \
{ \
switch (t) { \
case QAccessible2::TextInterface: \
return qAccessibleTextCastHelper(); \
case QAccessible2::EditableTextInterface: \
return qAccessibleEditableTextCastHelper(); \
case QAccessible2::ValueInterface: \
return qAccessibleValueCastHelper(); \
case QAccessible2::TableInterface: \
return qAccessibleTableCastHelper(); \
} \
return 0; \
} \
private:
class Q_GUI_EXPORT QAccessibleTextInterface: public QAccessible2Interface
{
public:
inline QAccessible2Interface *qAccessibleTextCastHelper() { return this; }
virtual ~QAccessibleTextInterface() {}
virtual void addSelection(int startOffset, int endOffset) = 0;
virtual QString attributes(int offset, int *startOffset, int *endOffset) = 0;
virtual int cursorPosition() = 0;
virtual QRect characterRect(int offset, QAccessible2::CoordinateType coordType) = 0;
virtual int selectionCount() = 0;
virtual int offsetAtPoint(const QPoint &point, QAccessible2::CoordinateType coordType) = 0;
virtual void selection(int selectionIndex, int *startOffset, int *endOffset) = 0;
virtual QString text(int startOffset, int endOffset) = 0;
virtual QString textBeforeOffset (int offset, QAccessible2::BoundaryType boundaryType,
int *startOffset, int *endOffset) = 0;
virtual QString textAfterOffset(int offset, QAccessible2::BoundaryType boundaryType,
int *startOffset, int *endOffset) = 0;
virtual QString textAtOffset(int offset, QAccessible2::BoundaryType boundaryType,
int *startOffset, int *endOffset) = 0;
virtual void removeSelection(int selectionIndex) = 0;
virtual void setCursorPosition(int position) = 0;
virtual void setSelection(int selectionIndex, int startOffset, int endOffset) = 0;
virtual int characterCount() = 0;
virtual void scrollToSubstring(int startIndex, int endIndex) = 0;
};
class Q_GUI_EXPORT QAccessibleEditableTextInterface: public QAccessible2Interface
{
public:
inline QAccessible2Interface *qAccessibleEditableTextCastHelper() { return this; }
virtual ~QAccessibleEditableTextInterface() {}
virtual void copyText(int startOffset, int endOffset) = 0;
virtual void deleteText(int startOffset, int endOffset) = 0;
virtual void insertText(int offset, const QString &text) = 0;
virtual void cutText(int startOffset, int endOffset) = 0;
virtual void pasteText(int offset) = 0;
virtual void replaceText(int startOffset, int endOffset, const QString &text) = 0;
virtual void setAttributes(int startOffset, int endOffset, const QString &attributes) = 0;
};
class Q_GUI_EXPORT QAccessibleSimpleEditableTextInterface: public QAccessibleEditableTextInterface
{
public:
QAccessibleSimpleEditableTextInterface(QAccessibleInterface *accessibleInterface);
void copyText(int startOffset, int endOffset);
void deleteText(int startOffset, int endOffset);
void insertText(int offset, const QString &text);
void cutText(int startOffset, int endOffset);
void pasteText(int offset);
void replaceText(int startOffset, int endOffset, const QString &text);
inline void setAttributes(int, int, const QString &) {}
private:
QAccessibleInterface *iface;
};
class Q_GUI_EXPORT QAccessibleValueInterface: public QAccessible2Interface
{
public:
inline QAccessible2Interface *qAccessibleValueCastHelper() { return this; }
virtual ~QAccessibleValueInterface() {}
virtual QVariant currentValue() = 0;
virtual void setCurrentValue(const QVariant &value) = 0;
virtual QVariant maximumValue() = 0;
virtual QVariant minimumValue() = 0;
};
class Q_GUI_EXPORT QAccessibleTableInterface: public QAccessible2Interface
{
public:
inline QAccessible2Interface *qAccessibleTableCastHelper() { return this; }
virtual QAccessibleInterface *accessibleAt(int row, int column) = 0;
virtual QAccessibleInterface *caption() = 0;
virtual int childIndex(int rowIndex, int columnIndex) = 0;
virtual QString columnDescription(int column) = 0;
virtual int columnSpan(int row, int column) = 0;
virtual QAccessibleInterface *columnHeader() = 0;
virtual int columnIndex(int childIndex) = 0;
virtual int columnCount() = 0;
virtual int rowCount() = 0;
virtual int selectedColumnCount() = 0;
virtual int selectedRowCount() = 0;
virtual QString rowDescription(int row) = 0;
virtual int rowSpan(int row, int column) = 0;
virtual QAccessibleInterface *rowHeader() = 0;
virtual int rowIndex(int childIndex) = 0;
virtual int selectedRows(int maxRows, QList<int> *rows) = 0;
virtual int selectedColumns(int maxColumns, QList<int> *columns) = 0;
virtual QAccessibleInterface *summary() = 0;
virtual bool isColumnSelected(int column) = 0;
virtual bool isRowSelected(int row) = 0;
virtual bool isSelected(int row, int column) = 0;
virtual void selectRow(int row) = 0;
virtual void selectColumn(int column) = 0;
virtual void unselectRow(int row) = 0;
virtual void unselectColumn(int column) = 0;
virtual void cellAtIndex(int index, int *row, int *column, int *rowSpan,
int *columnSpan, bool *isSelected) = 0;
};
#endif // QT_NO_ACCESSIBILITY
QT_END_NAMESPACE
QT_END_HEADER
#endif
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