Cocoa: Add initial accessibility implementation.

See qcocoaaccessiblity.h for details.

For now only the first level of the hierarchy is
made accessible.

Also add tools/accessibilityinspector which is an
utility for inspecting and debugging the Qt
accessibility tree.

Change-Id: Iff520bec26b3761feb0c2e00471feb379daaa735
Reviewed-by: Morten Johan Sørvig <morten.sorvig@nokia.com>

1 files changed, 84 insertions, 0 deletions

diff --git a/tools/accessibilityinspector/screenreader.h b/tools/accessibilityinspector/screenreader.h
new file mode 100644
index 0000000000..b3ba91d284
--- /dev/null
+++ b/tools/accessibilityinspector/screenreader.h
@@ -0,0 +1,84 @@
+/****************************************************************************
+ **
+ ** 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 tools applications 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 SCREENREADER_H
+#define SCREENREADER_H
+
+#include <QObject>
+#include <QAccessible>
+#include <QAccessibleBridge>
+
+/*
+    A Simple screen reader for touch-based user interfaces.
+
+    Requires a text-to-speach backend. Currently implemented on
+    Mac OS X and using festival on unix.
+*/
+class OptionsWidget;
+class ScreenReader : public QObject
+{
+    Q_OBJECT
+public:
+    explicit ScreenReader(QObject *parent = 0);
+    ~ScreenReader();
+
+    void setRootObject(QObject *rootObject);
+    void setOptionsWidget(OptionsWidget *optionsWidget);
+public slots:
+    void touchPoint(const QPoint &point);
+    void activate();
+protected slots:
+    void processTouchPoint();
+signals:
+    void selected(QObject *object);
+
+protected:
+    void speak(const QString &text, const QString &voice = QString());
+private:
+    QAccessibleInterface *m_selectedInterface;
+    QAccessibleInterface *m_rootInterface;
+    OptionsWidget *m_optionsWidget;
+    QPoint m_currentTouchPoint;
+    bool m_activateCalled;
+};
+
+#endif // SCREENREADER_H