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author | Lars Knoll <lars.knoll@nokia.com> | 2009-03-23 09:18:55 (GMT) |
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committer | Simon Hausmann <simon.hausmann@nokia.com> | 2009-03-23 09:18:55 (GMT) |
commit | e5fcad302d86d316390c6b0f62759a067313e8a9 (patch) | |
tree | c2afbf6f1066b6ce261f14341cf6d310e5595bc1 /src/gui/accessible/qaccessible2.h | |
download | Qt-e5fcad302d86d316390c6b0f62759a067313e8a9.zip Qt-e5fcad302d86d316390c6b0f62759a067313e8a9.tar.gz Qt-e5fcad302d86d316390c6b0f62759a067313e8a9.tar.bz2 |
Long live Qt 4.5!
Diffstat (limited to 'src/gui/accessible/qaccessible2.h')
-rw-r--r-- | src/gui/accessible/qaccessible2.h | 217 |
1 files changed, 217 insertions, 0 deletions
diff --git a/src/gui/accessible/qaccessible2.h b/src/gui/accessible/qaccessible2.h new file mode 100644 index 0000000..1e7b5f0 --- /dev/null +++ b/src/gui/accessible/qaccessible2.h @@ -0,0 +1,217 @@ +/**************************************************************************** +** +** 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 |