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Diffstat (limited to 'src/controls/qquickexclusivegroup.cpp')
| -rw-r--r-- | src/controls/qquickexclusivegroup.cpp | 178 |
1 files changed, 178 insertions, 0 deletions
diff --git a/src/controls/qquickexclusivegroup.cpp b/src/controls/qquickexclusivegroup.cpp new file mode 100644 index 00000000..325dfe19 --- /dev/null +++ b/src/controls/qquickexclusivegroup.cpp @@ -0,0 +1,178 @@ +/**************************************************************************** +** +** Copyright (C) 2015 The Qt Company Ltd. +** Contact: http://www.qt.io/licensing/ +** +** This file is part of the Qt Quick Controls module of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL3$ +** 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 The Qt Company. For licensing terms +** and conditions see http://www.qt.io/terms-conditions. For further +** information use the contact form at http://www.qt.io/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 3 as published by the Free Software +** Foundation and appearing in the file LICENSE.LGPLv3 included in the +** packaging of this file. Please review the following information to +** ensure the GNU Lesser General Public License version 3 requirements +** will be met: https://www.gnu.org/licenses/lgpl.html. +** +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU +** General Public License version 2.0 or later 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 2.0 requirements will be +** met: http://www.gnu.org/licenses/gpl-2.0.html. +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include "qquickexclusivegroup_p.h" +#include <QtCore/private/qobject_p.h> +#include <QtCore/qvariant.h> + +QT_BEGIN_NAMESPACE + +/*! + \qmltype ExclusiveGroup + \inherits QtObject + \instantiates QQuickExclusiveGroup + \inqmlmodule QtQuick.Controls + \ingroup utilities + \brief A non-visual mutually exclusive group of checkable controls. + + TODO +*/ + +class QQuickExclusiveGroupPrivate : public QObjectPrivate +{ + Q_DECLARE_PUBLIC(QQuickExclusiveGroup) + +public: + QQuickExclusiveGroupPrivate() : current(Q_NULLPTR) { } + + void _q_updateCurrent(); + + QObject *current; +}; + +void QQuickExclusiveGroupPrivate::_q_updateCurrent() +{ + Q_Q(QQuickExclusiveGroup); + QObject *object = q->sender(); + if (object->property("checked").toBool()) + q->setCurrent(object); +} + +QQuickExclusiveGroup::QQuickExclusiveGroup(QObject *parent) + : QObject(*(new QQuickExclusiveGroupPrivate), parent) +{ +} + +/*! + \qmlproperty QtObject QtQuickControls2::ExclusiveGroup::current + + TODO +*/ +QObject *QQuickExclusiveGroup::current() const +{ + Q_D(const QQuickExclusiveGroup); + return d->current; +} + +void QQuickExclusiveGroup::setCurrent(QObject *current) +{ + Q_D(QQuickExclusiveGroup); + if (d->current != current) { + if (d->current) + d->current->setProperty("checked", false); + d->current = current; + if (current) + current->setProperty("checked", true); + emit currentChanged(); + } +} + +/*! + \qmlmethod void QtQuickControls2::ExclusiveGroup::addCheckable(QtObject object) + + TODO +*/ +void QQuickExclusiveGroup::addCheckable(QObject *object) +{ + connect(object, SIGNAL(checkedChanged()), this, SLOT(_q_updateCurrent()), Qt::UniqueConnection); + connect(object, SIGNAL(destroyed(QObject*)), this, SLOT(removeCheckable(QObject*)), Qt::UniqueConnection); + + if (object->property("checked").toBool()) + setCurrent(object); +} + +/*! + \qmlmethod void QtQuickControls2::ExclusiveGroup::removeCheckable(QtObject object) + + TODO +*/ +void QQuickExclusiveGroup::removeCheckable(QObject *object) +{ + Q_D(QQuickExclusiveGroup); + if (object->metaObject()->indexOfProperty("checked") != -1) + disconnect(object, SIGNAL(checkedChanged()), this, SLOT(_q_updateCurrent())); + disconnect(object, SIGNAL(destroyed(QObject*)), this, SLOT(removeCheckable(QObject*))); + + if (d->current == object) + setCurrent(Q_NULLPTR); +} + +/*! + \qmltype Exclusive + \inherits QtObject + \instantiates QQuickExclusive + \inqmlmodule QtQuick.Controls + \ingroup utilities + \brief TODO + + TODO +*/ + +QQuickExclusiveAttached::QQuickExclusiveAttached(QObject *parent) : + QObject(parent), m_group(Q_NULLPTR) +{ +} + +QQuickExclusiveAttached *QQuickExclusiveAttached::qmlAttachedProperties(QObject *object) +{ + return new QQuickExclusiveAttached(object); +} + +/*! + \qmlattachedproperty ExclusiveGroup QtQuickControls2::Exclusive::group + + TODO +*/ +QQuickExclusiveGroup *QQuickExclusiveAttached::group() const +{ + return m_group; +} + +void QQuickExclusiveAttached::setGroup(QQuickExclusiveGroup *group) +{ + if (m_group != group) { + if (m_group) + m_group->removeCheckable(parent()); + m_group = group; + if (m_group) + m_group->addCheckable(parent()); + emit groupChanged(); + } +} + +QT_END_NAMESPACE + +#include "moc_qquickexclusivegroup_p.cpp" |