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/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the Qt Quick Controls 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 The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://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.LGPL3 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-3.0.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 (at your option) the GNU General
** Public license version 3 or any later version approved by the KDE Free
** Qt Foundation. The licenses are as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-2.0.html and
** https://www.gnu.org/licenses/gpl-3.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/
import QtQuick 2.2
import QtQuick.Controls 1.2
import QtQuick.Controls.Private 1.0
/*!
\qmltype Switch
\inqmlmodule QtQuick.Controls
\since 5.2
\ingroup controls
\inherits QtQuickControls1::Control
\brief A switch.
\image switch.png
\caption On and Off states of a Switch.
A Switch is a toggle button that can be switched on (checked) or off
(unchecked). Switches are typically used to represent features in an
application that can be enabled or disabled without affecting others.
On mobile platforms, switches are commonly used to enable or disable
features.
\qml
Column {
Switch { checked: true }
Switch { checked: false }
}
\endqml
You can create a custom appearance for a Switch by
assigning a \l {SwitchStyle}.
*/
Control {
id: root
/*!
This property is \c true if the control is checked.
The default value is \c false.
*/
property bool checked: false
/*!
\qmlproperty bool Switch::pressed
\since QtQuick.Controls 1.3
This property is \c true when the control is pressed.
*/
readonly property alias pressed: internal.pressed
/*!
This property is \c true if the control takes the focus when it is
pressed; \l{QQuickItem::forceActiveFocus()}{forceActiveFocus()} will be
called on the control.
*/
property bool activeFocusOnPress: false
/*!
This property stores the ExclusiveGroup that the control belongs to.
*/
property ExclusiveGroup exclusiveGroup: null
/*!
\since QtQuick.Controls 1.3
This signal is emitted when the control is clicked.
*/
signal clicked
Keys.onPressed: {
if (event.key === Qt.Key_Space && !event.isAutoRepeat)
checked = !checked;
}
/*! \internal */
onExclusiveGroupChanged: {
if (exclusiveGroup)
exclusiveGroup.bindCheckable(root)
}
MouseArea {
id: internal
property Item handle: __panel.__handle
property int min: __panel.min
property int max: __panel.max
focus: true
anchors.fill: parent
drag.threshold: 0
drag.target: handle
drag.axis: Drag.XAxis
drag.minimumX: min
drag.maximumX: max
onPressed: {
if (activeFocusOnPress)
root.forceActiveFocus()
}
onReleased: {
if (drag.active) {
checked = (handle.x < max/2) ? false : true;
internal.handle.x = checked ? internal.max : internal.min
} else {
checked = (handle.x === max) ? false : true
}
}
onClicked: root.clicked()
}
onCheckedChanged: {
if (internal.handle)
internal.handle.x = checked ? internal.max : internal.min
}
activeFocusOnTab: true
Accessible.role: Accessible.CheckBox
Accessible.name: "switch"
/*!
The style that should be applied to the switch. Custom style
components can be created with:
\codeline Qt.createComponent("path/to/style.qml", switchId);
*/
style: Settings.styleComponent(Settings.style, "SwitchStyle.qml", root)
}
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