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Diffstat (limited to 'src/quick/accessible/qaccessiblequickview.cpp')
| -rw-r--r-- | src/quick/accessible/qaccessiblequickview.cpp | 187 |
1 files changed, 187 insertions, 0 deletions
diff --git a/src/quick/accessible/qaccessiblequickview.cpp b/src/quick/accessible/qaccessiblequickview.cpp new file mode 100644 index 0000000000..05e37d6240 --- /dev/null +++ b/src/quick/accessible/qaccessiblequickview.cpp @@ -0,0 +1,187 @@ +/**************************************************************************** +** +** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies). +** Contact: http://www.qt-project.org/legal +** +** This file is part of the QtQuick module of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL$ +** Commercial License Usage +** Licensees holding valid commercial Qt licenses may use this file in +** accordance with the commercial license agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and Digia. For licensing terms and +** conditions see http://qt.digia.com/licensing. For further information +** use the contact form at http://qt.digia.com/contact-us. +** +** 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, Digia gives you certain additional +** rights. These rights are described in the Digia 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. +** +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include "qaccessiblequickview_p.h" + +#include <QtGui/qguiapplication.h> + +#include <QtQuick/qquickitem.h> +#include <QtQuick/private/qquickitem_p.h> + +#include "qaccessiblequickitem_p.h" +#include "qqmlaccessible_p.h" + +#ifndef QT_NO_ACCESSIBILITY + +QT_BEGIN_NAMESPACE + +QAccessibleQuickWindow::QAccessibleQuickWindow(QQuickWindow *object) + :QAccessibleObject(object) +{ +} + +QQuickItem *QAccessibleQuickWindow::rootItem() const +{ + if (QQuickItem *ci = window()->contentItem()) { + const QList<QQuickItem *> &childItems = ci->childItems(); + if (!childItems.isEmpty()) + return childItems.first(); + } + return 0; +} + +int QAccessibleQuickWindow::childCount() const +{ + return rootItem() ? 1 : 0; +} + +QAccessibleInterface *QAccessibleQuickWindow::parent() const +{ + // FIXME: for now we assume to be a top level window... + return QAccessible::queryAccessibleInterface(qApp); +} + +QAccessibleInterface *QAccessibleQuickWindow::child(int index) const +{ + if (index == 0) + return QAccessible::queryAccessibleInterface(rootItem()); + return 0; +} + +QAccessible::Role QAccessibleQuickWindow::role() const +{ + return QAccessible::Window; // FIXME +} + +QAccessible::State QAccessibleQuickWindow::state() const +{ + QAccessible::State st; + if (window() == QGuiApplication::focusWindow()) + st.active = true; + if (!window()->isVisible()) + st.invisible = true; + return st; +} + +QRect QAccessibleQuickWindow::rect() const +{ + return QRect(window()->x(), window()->y(), window()->width(), window()->height()); +} + +QString QAccessibleQuickWindow::text(QAccessible::Text text) const +{ +#ifdef Q_ACCESSIBLE_QUICK_ITEM_ENABLE_DEBUG_DESCRIPTION + if (text == QAccessible::DebugDescription) { + return QString::fromLatin1(object()->metaObject()->className()) ; + } +#else + Q_UNUSED(text) +#endif + return window()->title(); +} + + +/*! + \internal + + Can also return \a item itself + */ +static QQuickItem *childAt_helper(QQuickItem *item, int x, int y) +{ + if (!item->isVisible() || !item->isEnabled()) + return 0; + + if (item->flags() & QQuickItem::ItemClipsChildrenToShape) { + if (!itemScreenRect(item).contains(x, y)) + return 0; + } + + QAccessibleInterface *accessibleInterface = QAccessible::queryAccessibleInterface(item); + // this item has no Accessible attached property + if (!accessibleInterface) + return 0; + + if (accessibleInterface->childCount() == 0) { + return (itemScreenRect(item).contains(x, y)) ? item : 0; + } + + QQuickItemPrivate *itemPrivate = QQuickItemPrivate::get(item); + + QList<QQuickItem *> children = itemPrivate->paintOrderChildItems(); + for (int i = children.count() - 1; i >= 0; --i) { + QQuickItem *child = children.at(i); + if (QQuickItem *childChild = childAt_helper(child, x, y)) + return childChild; + } + + QRect screenRect = itemScreenRect(item); + + if (screenRect.contains(x, y)) + return item; + + return 0; +} + +QAccessibleInterface *QAccessibleQuickWindow::childAt(int x, int y) const +{ + Q_ASSERT(window()); + QQuickItem *root = rootItem(); + if (root) { + if (QQuickItem *item = childAt_helper(root, x, y)) + return QAccessible::queryAccessibleInterface(item); + return QAccessible::queryAccessibleInterface(root); + } + return 0; +} + +int QAccessibleQuickWindow::indexOfChild(const QAccessibleInterface *iface) const +{ + if (iface) { + QQuickItem *declarativeRoot = rootItem(); + if (declarativeRoot == iface->object()) + return 0; + } + return -1; +} + +QT_END_NAMESPACE + +#endif // QT_NO_ACCESSIBILITY |