1 /****************************************************************************
3 ** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
4 ** Contact: http://www.qt-project.org/
6 ** This file is part of the QtDeclarative module of the Qt Toolkit.
8 ** $QT_BEGIN_LICENSE:LGPL$
9 ** GNU Lesser General Public License Usage
10 ** This file may be used under the terms of the GNU Lesser General Public
11 ** License version 2.1 as published by the Free Software Foundation and
12 ** appearing in the file LICENSE.LGPL included in the packaging of this
13 ** file. Please review the following information to ensure the GNU Lesser
14 ** General Public License version 2.1 requirements will be met:
15 ** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
17 ** In addition, as a special exception, Nokia gives you certain additional
18 ** rights. These rights are described in the Nokia Qt LGPL Exception
19 ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
21 ** GNU General Public License Usage
22 ** Alternatively, this file may be used under the terms of the GNU General
23 ** Public License version 3.0 as published by the Free Software Foundation
24 ** and appearing in the file LICENSE.GPL included in the packaging of this
25 ** file. Please review the following information to ensure the GNU General
26 ** Public License version 3.0 requirements will be met:
27 ** http://www.gnu.org/copyleft/gpl.html.
30 ** Alternatively, this file may be used in accordance with the terms and
31 ** 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 QAccessibleInterface *QDeclarativeAccessible::childAt(int x, int y) const
68 // Note that this function will disregard stacking order.
69 // (QAccessibleQuickView::childAt() does this correctly and more efficient)
71 // If the item clips its children, we can return early if the coordinate is outside its rect
72 if (clipsChildren()) {
73 if (!rect().contains(x, y))
77 for (int i = childCount() - 1; i >= 0; --i) {
78 QAccessibleInterface *childIface = child(i);
79 if (childIface && !childIface->state().invisible) {
80 if (childIface->rect().contains(x, y))
88 QAccessible::State QDeclarativeAccessible::state() const
90 QAccessible::State state;
92 //QRect viewRect(QPoint(0, 0), m_implementation->size());
93 //QRect itemRect(m_item->scenePos().toPoint(), m_item->boundingRect().size().toSize());
95 QRect viewRect_ = viewRect();
96 QRect itemRect = rect();
98 // qDebug() << "viewRect" << viewRect << "itemRect" << itemRect;
100 if (viewRect_.isNull() || itemRect.isNull()) {
101 state.invisible = true;
104 if (!viewRect_.intersects(itemRect)) {
105 state.offscreen = true;
106 // state.invisible = true; // no set at this point to ease development
109 if (!object()->property("visible").toBool() || qFuzzyIsNull(object()->property("opacity").toDouble())) {
110 state.invisible = true;
113 if ((role() == QAccessible::CheckBox || role() == QAccessible::RadioButton) && object()->property("checked").toBool()) {
114 state.checked = true;
117 if (role() == QAccessible::EditableText)
118 state.focusable = true;
120 //qDebug() << "state?" << m_item->property("state").toString() << m_item->property("status").toString() << m_item->property("visible").toString();
125 QStringList QDeclarativeAccessible::actionNames() const
129 case QAccessible::PushButton:
130 actions << QAccessibleActionInterface::pressAction();
132 case QAccessible::RadioButton:
133 case QAccessible::CheckBox:
134 actions << QAccessibleActionInterface::checkAction();
142 void QDeclarativeAccessible::doAction(const QString &actionName)
144 if (role() == QAccessible::PushButton && actionName == QAccessibleActionInterface::pressAction()) {
145 QMetaObject::invokeMethod(object(), "accessibleAction");
147 if ((role() == QAccessible::CheckBox || role() == QAccessible::RadioButton) && actionName == QAccessibleActionInterface::checkAction()) {
148 bool checked = object()->property("checked").toBool();
149 object()->setProperty("checked", QVariant(!checked));
153 QStringList QDeclarativeAccessible::keyBindingsForAction(const QString &actionName) const
156 return QStringList();
161 #endif // QT_NO_ACCESSIBILITY