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Diffstat (limited to 'src/plugins/accessible/shared/qqmlaccessible.cpp')
-rw-r--r-- | src/plugins/accessible/shared/qqmlaccessible.cpp | 161 |
1 files changed, 161 insertions, 0 deletions
diff --git a/src/plugins/accessible/shared/qqmlaccessible.cpp b/src/plugins/accessible/shared/qqmlaccessible.cpp new file mode 100644 index 0000000000..1818ebebfe --- /dev/null +++ b/src/plugins/accessible/shared/qqmlaccessible.cpp @@ -0,0 +1,161 @@ +/**************************************************************************** +** +** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies). +** Contact: http://www.qt-project.org/ +** +** This file is part of the QtQml module 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. +** +** +** +** +** +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include <qnamespace.h> +#include "qqmlaccessible.h" + +#ifndef QT_NO_ACCESSIBILITY + +QT_BEGIN_NAMESPACE + + +QString Q_GUI_EXPORT qTextBeforeOffsetFromString(int offset, QAccessible2::BoundaryType boundaryType, + int *startOffset, int *endOffset, const QString& text); +QString Q_GUI_EXPORT qTextAtOffsetFromString(int offset, QAccessible2::BoundaryType boundaryType, + int *startOffset, int *endOffset, const QString& text); +QString Q_GUI_EXPORT qTextAfterOffsetFromString(int offset, QAccessible2::BoundaryType boundaryType, + int *startOffset, int *endOffset, const QString& text); + +QQmlAccessible::QQmlAccessible(QObject *object) + :QAccessibleObject(object) +{ +} + +QQmlAccessible::~QQmlAccessible() +{ +} + +QAccessibleInterface *QQmlAccessible::childAt(int x, int y) const +{ + // Note that this function will disregard stacking order. + // (QAccessibleQuickView::childAt() does this correctly and more efficient) + + // If the item clips its children, we can return early if the coordinate is outside its rect + if (clipsChildren()) { + if (!rect().contains(x, y)) + return 0; + } + + for (int i = childCount() - 1; i >= 0; --i) { + QAccessibleInterface *childIface = child(i); + if (childIface && !childIface->state().invisible) { + if (childIface->rect().contains(x, y)) + return childIface; + } + delete childIface; + } + return 0; +} + +QAccessible::State QQmlAccessible::state() const +{ + QAccessible::State state; + + //QRect viewRect(QPoint(0, 0), m_implementation->size()); + //QRect itemRect(m_item->scenePos().toPoint(), m_item->boundingRect().size().toSize()); + + QRect viewRect_ = viewRect(); + QRect itemRect = rect(); + + // qDebug() << "viewRect" << viewRect << "itemRect" << itemRect; + // error case: + if (viewRect_.isNull() || itemRect.isNull()) { + state.invisible = true; + } + + if (!viewRect_.intersects(itemRect)) { + state.offscreen = true; + // state.invisible = true; // no set at this point to ease development + } + + if (!object()->property("visible").toBool() || qFuzzyIsNull(object()->property("opacity").toDouble())) { + state.invisible = true; + } + + if ((role() == QAccessible::CheckBox || role() == QAccessible::RadioButton) && object()->property("checked").toBool()) { + state.checked = true; + } + + if (role() == QAccessible::EditableText) + state.focusable = true; + + //qDebug() << "state?" << m_item->property("state").toString() << m_item->property("status").toString() << m_item->property("visible").toString(); + + return state; +} + +QStringList QQmlAccessible::actionNames() const +{ + QStringList actions; + switch (role()) { + case QAccessible::PushButton: + actions << QAccessibleActionInterface::pressAction(); + break; + case QAccessible::RadioButton: + case QAccessible::CheckBox: + actions << QAccessibleActionInterface::checkAction(); + break; + default: + break; + } + return actions; +} + +void QQmlAccessible::doAction(const QString &actionName) +{ + if (role() == QAccessible::PushButton && actionName == QAccessibleActionInterface::pressAction()) { + QMetaObject::invokeMethod(object(), "accessibleAction"); + } + if ((role() == QAccessible::CheckBox || role() == QAccessible::RadioButton) && actionName == QAccessibleActionInterface::checkAction()) { + bool checked = object()->property("checked").toBool(); + object()->setProperty("checked", QVariant(!checked)); + } +} + +QStringList QQmlAccessible::keyBindingsForAction(const QString &actionName) const +{ + Q_UNUSED(actionName) + return QStringList(); +} + +QT_END_NAMESPACE + +#endif // QT_NO_ACCESSIBILITY |