1 /****************************************************************************
3 ** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
4 ** All rights reserved.
5 ** Contact: Nokia Corporation (qt-info@nokia.com)
7 ** This file is part of the QtDeclarative module of the Qt Toolkit.
9 ** $QT_BEGIN_LICENSE:LGPL$
10 ** GNU Lesser General Public License Usage
11 ** This file may be used under the terms of the GNU Lesser General Public
12 ** License version 2.1 as published by the Free Software Foundation and
13 ** appearing in the file LICENSE.LGPL included in the packaging of this
14 ** file. Please review the following information to ensure the GNU Lesser
15 ** General Public License version 2.1 requirements will be met:
16 ** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
18 ** In addition, as a special exception, Nokia gives you certain additional
19 ** rights. These rights are described in the Nokia Qt LGPL Exception
20 ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
22 ** GNU General Public License Usage
23 ** Alternatively, this file may be used under the terms of the GNU General
24 ** Public License version 3.0 as published by the Free Software Foundation
25 ** and appearing in the file LICENSE.GPL included in the packaging of this
26 ** file. Please review the following information to ensure the GNU General
27 ** Public License version 3.0 requirements will be met:
28 ** http://www.gnu.org/copyleft/gpl.html.
31 ** Alternatively, this file may be used in accordance with the terms and
32 ** conditions contained in a signed written agreement between you and Nokia.
40 ****************************************************************************/
42 #include <qnamespace.h>
43 #include "qdeclarativeaccessible.h"
45 #ifndef QT_NO_ACCESSIBILITY
50 QString Q_GUI_EXPORT qTextBeforeOffsetFromString(int offset, QAccessible2::BoundaryType boundaryType,
51 int *startOffset, int *endOffset, const QString& text);
52 QString Q_GUI_EXPORT qTextAtOffsetFromString(int offset, QAccessible2::BoundaryType boundaryType,
53 int *startOffset, int *endOffset, const QString& text);
54 QString Q_GUI_EXPORT qTextAfterOffsetFromString(int offset, QAccessible2::BoundaryType boundaryType,
55 int *startOffset, int *endOffset, const QString& text);
57 QDeclarativeAccessible::QDeclarativeAccessible(QObject *object)
58 :QAccessibleObject(object)
62 QDeclarativeAccessible::~QDeclarativeAccessible()
66 QFlags<QAccessible::RelationFlag> QDeclarativeAccessible::relationTo(const QAccessibleInterface *) const
68 return QAccessible::Unrelated;
71 QAccessibleInterface *QDeclarativeAccessible::childAt(int x, int y) const
73 // Look for children first.
74 // Start with the last child first, because children are ordered in paint order
75 // (which is opposite of hit test order)
77 // If the item clips its children, we can return early if the coordinate is outside its rect
78 if (clipsChildren()) {
79 if (!rect().contains(x, y))
83 for (int i = childCount() - 1; i >= 0; --i) {
84 QAccessibleInterface *childIface = child(i);
85 if (childIface && !childIface->state().invisible) {
86 if (childIface->rect().contains(x, y))
94 QAccessible::State QDeclarativeAccessible::state() const
96 QAccessible::State state;
98 //QRect viewRect(QPoint(0, 0), m_implementation->size());
99 //QRect itemRect(m_item->scenePos().toPoint(), m_item->boundingRect().size().toSize());
101 QRect viewRect_ = viewRect();
102 QRect itemRect = rect();
104 // qDebug() << "viewRect" << viewRect << "itemRect" << itemRect;
106 if (viewRect_.isNull() || itemRect.isNull()) {
107 state.invisible = true;
110 if (!viewRect_.intersects(itemRect)) {
111 state.offscreen = true;
112 // state.invisible = true; // no set at this point to ease development
115 if (!object()->property("visible").toBool() || qFuzzyIsNull(object()->property("opacity").toDouble())) {
116 state.invisible = true;
119 if ((role() == QAccessible::CheckBox || role() == QAccessible::RadioButton) && object()->property("checked").toBool()) {
120 state.checked = true;
123 if (role() == QAccessible::EditableText)
124 state.focusable = true;
126 //qDebug() << "state?" << m_item->property("state").toString() << m_item->property("status").toString() << m_item->property("visible").toString();
131 QStringList QDeclarativeAccessible::actionNames() const
135 case QAccessible::PushButton:
136 actions << QAccessibleActionInterface::pressAction();
138 case QAccessible::RadioButton:
139 case QAccessible::CheckBox:
140 actions << QAccessibleActionInterface::checkAction();
148 void QDeclarativeAccessible::doAction(const QString &actionName)
150 if (role() == QAccessible::PushButton && actionName == QAccessibleActionInterface::pressAction()) {
151 QMetaObject::invokeMethod(object(), "accessibleAction");
153 if ((role() == QAccessible::CheckBox || role() == QAccessible::RadioButton) && actionName == QAccessibleActionInterface::checkAction()) {
154 bool checked = object()->property("checked").toBool();
155 object()->setProperty("checked", QVariant(!checked));
159 QStringList QDeclarativeAccessible::keyBindingsForAction(const QString &actionName) const
162 return QStringList();
165 QVariant QDeclarativeAccessible::invokeMethod(QAccessible::Method method, const QVariantList&)
173 #endif // QT_NO_ACCESSIBILITY