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247 lines
9.3 KiB
247 lines
9.3 KiB
15 years ago
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/****************************************************************************
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**
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** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
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** All rights reserved.
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** Contact: Nokia Corporation (qt-info@nokia.com)
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**
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** This file is part of the QtGui module of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:LGPL$
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** Commercial Usage
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** Licensees holding valid Qt Commercial licenses may use this file in
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** accordance with the Qt Commercial License Agreement provided with the
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** Software or, alternatively, in accordance with the terms contained in
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** a written agreement between you and Nokia.
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**
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** GNU Lesser General Public License Usage
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** Alternatively, 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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** In addition, as a special exception, Nokia gives you certain additional
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** rights. These rights are described in the Nokia Qt 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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** If you have questions regarding the use of this file, please contact
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** Nokia at qt-info@nokia.com.
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#ifndef QACCESSIBLE2_H
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#define QACCESSIBLE2_H
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#include <QtGui/qaccessible.h>
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QT_BEGIN_HEADER
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QT_BEGIN_NAMESPACE
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QT_MODULE(Gui)
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#ifndef QT_NO_ACCESSIBILITY
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namespace QAccessible2
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{
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enum CoordinateType
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{
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RelativeToScreen = 0,
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RelativeToParent = 1
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};
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enum BoundaryType {
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CharBoundary,
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WordBoundary,
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SentenceBoundary,
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ParagraphBoundary,
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LineBoundary,
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NoBoundary
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};
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}
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class Q_GUI_EXPORT QAccessible2Interface
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{
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public:
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virtual ~QAccessible2Interface() {}
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};
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// catch-all functions. If an accessible class doesn't implement interface T, return 0
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inline QAccessible2Interface *qAccessibleValueCastHelper() { return 0; }
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inline QAccessible2Interface *qAccessibleTextCastHelper() { return 0; }
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inline QAccessible2Interface *qAccessibleEditableTextCastHelper() { return 0; }
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inline QAccessible2Interface *qAccessibleTableCastHelper() { return 0; }
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inline QAccessible2Interface *qAccessibleActionCastHelper() { return 0; }
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inline QAccessible2Interface *qAccessibleImageCastHelper() { return 0; }
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#define Q_ACCESSIBLE_OBJECT \
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public: \
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QAccessible2Interface *interface_cast(QAccessible2::InterfaceType t) \
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{ \
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switch (t) { \
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case QAccessible2::TextInterface: \
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return qAccessibleTextCastHelper(); \
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case QAccessible2::EditableTextInterface: \
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return qAccessibleEditableTextCastHelper(); \
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case QAccessible2::ValueInterface: \
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return qAccessibleValueCastHelper(); \
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case QAccessible2::TableInterface: \
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return qAccessibleTableCastHelper(); \
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case QAccessible2::ActionInterface: \
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return qAccessibleActionCastHelper(); \
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case QAccessible2::ImageInterface: \
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return qAccessibleImageCastHelper(); \
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} \
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return 0; \
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} \
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private:
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class Q_GUI_EXPORT QAccessibleTextInterface: public QAccessible2Interface
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{
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public:
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inline QAccessible2Interface *qAccessibleTextCastHelper() { return this; }
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virtual ~QAccessibleTextInterface() {}
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virtual void addSelection(int startOffset, int endOffset) = 0;
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virtual QString attributes(int offset, int *startOffset, int *endOffset) = 0;
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virtual int cursorPosition() = 0;
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virtual QRect characterRect(int offset, QAccessible2::CoordinateType coordType) = 0;
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virtual int selectionCount() = 0;
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virtual int offsetAtPoint(const QPoint &point, QAccessible2::CoordinateType coordType) = 0;
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virtual void selection(int selectionIndex, int *startOffset, int *endOffset) = 0;
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virtual QString text(int startOffset, int endOffset) = 0;
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virtual QString textBeforeOffset (int offset, QAccessible2::BoundaryType boundaryType,
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int *startOffset, int *endOffset) = 0;
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virtual QString textAfterOffset(int offset, QAccessible2::BoundaryType boundaryType,
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int *startOffset, int *endOffset) = 0;
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virtual QString textAtOffset(int offset, QAccessible2::BoundaryType boundaryType,
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int *startOffset, int *endOffset) = 0;
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virtual void removeSelection(int selectionIndex) = 0;
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virtual void setCursorPosition(int position) = 0;
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virtual void setSelection(int selectionIndex, int startOffset, int endOffset) = 0;
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virtual int characterCount() = 0;
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virtual void scrollToSubstring(int startIndex, int endIndex) = 0;
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};
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class Q_GUI_EXPORT QAccessibleEditableTextInterface: public QAccessible2Interface
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{
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public:
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inline QAccessible2Interface *qAccessibleEditableTextCastHelper() { return this; }
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virtual ~QAccessibleEditableTextInterface() {}
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virtual void copyText(int startOffset, int endOffset) = 0;
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virtual void deleteText(int startOffset, int endOffset) = 0;
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virtual void insertText(int offset, const QString &text) = 0;
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virtual void cutText(int startOffset, int endOffset) = 0;
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virtual void pasteText(int offset) = 0;
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virtual void replaceText(int startOffset, int endOffset, const QString &text) = 0;
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virtual void setAttributes(int startOffset, int endOffset, const QString &attributes) = 0;
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};
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class Q_GUI_EXPORT QAccessibleSimpleEditableTextInterface: public QAccessibleEditableTextInterface
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{
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public:
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QAccessibleSimpleEditableTextInterface(QAccessibleInterface *accessibleInterface);
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void copyText(int startOffset, int endOffset);
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void deleteText(int startOffset, int endOffset);
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void insertText(int offset, const QString &text);
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void cutText(int startOffset, int endOffset);
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void pasteText(int offset);
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void replaceText(int startOffset, int endOffset, const QString &text);
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inline void setAttributes(int, int, const QString &) {}
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private:
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QAccessibleInterface *iface;
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};
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class Q_GUI_EXPORT QAccessibleValueInterface: public QAccessible2Interface
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{
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public:
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inline QAccessible2Interface *qAccessibleValueCastHelper() { return this; }
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virtual ~QAccessibleValueInterface() {}
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virtual QVariant currentValue() = 0;
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virtual void setCurrentValue(const QVariant &value) = 0;
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virtual QVariant maximumValue() = 0;
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virtual QVariant minimumValue() = 0;
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};
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class Q_GUI_EXPORT QAccessibleTableInterface: public QAccessible2Interface
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{
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public:
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inline QAccessible2Interface *qAccessibleTableCastHelper() { return this; }
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virtual QAccessibleInterface *accessibleAt(int row, int column) = 0;
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virtual QAccessibleInterface *caption() = 0;
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virtual int childIndex(int rowIndex, int columnIndex) = 0;
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virtual QString columnDescription(int column) = 0;
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virtual int columnSpan(int row, int column) = 0;
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virtual QAccessibleInterface *columnHeader() = 0;
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virtual int columnIndex(int childIndex) = 0;
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virtual int columnCount() = 0;
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virtual int rowCount() = 0;
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virtual int selectedColumnCount() = 0;
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virtual int selectedRowCount() = 0;
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virtual QString rowDescription(int row) = 0;
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virtual int rowSpan(int row, int column) = 0;
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virtual QAccessibleInterface *rowHeader() = 0;
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virtual int rowIndex(int childIndex) = 0;
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virtual int selectedRows(int maxRows, QList<int> *rows) = 0;
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virtual int selectedColumns(int maxColumns, QList<int> *columns) = 0;
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virtual QAccessibleInterface *summary() = 0;
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virtual bool isColumnSelected(int column) = 0;
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virtual bool isRowSelected(int row) = 0;
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virtual bool isSelected(int row, int column) = 0;
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virtual void selectRow(int row) = 0;
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virtual void selectColumn(int column) = 0;
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virtual void unselectRow(int row) = 0;
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virtual void unselectColumn(int column) = 0;
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virtual void cellAtIndex(int index, int *row, int *column, int *rowSpan,
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int *columnSpan, bool *isSelected) = 0;
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};
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class Q_GUI_EXPORT QAccessibleActionInterface : public QAccessible2Interface
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{
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public:
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inline QAccessible2Interface *qAccessibleActionCastHelper() { return this; }
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virtual int actionCount() = 0;
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virtual void doAction(int actionIndex) = 0;
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virtual QString description(int actionIndex) = 0;
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virtual QString name(int actionIndex) = 0;
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virtual QString localizedName(int actionIndex) = 0;
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virtual QStringList keyBindings(int actionIndex) = 0;
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};
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class Q_GUI_EXPORT QAccessibleImageInterface : public QAccessible2Interface
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{
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public:
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inline QAccessible2Interface *qAccessibleImageCastHelper() { return this; }
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virtual QString imageDescription() = 0;
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virtual QSize imageSize() = 0;
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virtual QRect imagePosition(QAccessible2::CoordinateType coordType) = 0;
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};
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#endif // QT_NO_ACCESSIBILITY
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QT_END_NAMESPACE
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QT_END_HEADER
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#endif
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