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authorLars Knoll <lars.knoll@nokia.com>2009-03-23 09:18:55 (GMT)
committerSimon Hausmann <simon.hausmann@nokia.com>2009-03-23 09:18:55 (GMT)
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Long live Qt 4.5!
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+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (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 either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** 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 1.0, 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.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@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