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+import QtQuick 2.0
+import QtQuick.Controls.Private 1.0
+
+/****************************************************************************
+**
+** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
+** Contact: http://www.qt-project.org/legal
+**
+** This file is part of the Qt Components project.
+**
+** $QT_BEGIN_LICENSE:BSD$
+** You may use this file under the terms of the BSD license as follows:
+**
+** "Redistribution and use in source and binary forms, with or without
+** modification, are permitted provided that the following conditions are
+** met:
+** * Redistributions of source code must retain the above copyright
+** notice, this list of conditions and the following disclaimer.
+** * Redistributions in binary form must reproduce the above copyright
+** notice, this list of conditions and the following disclaimer in
+** the documentation and/or other materials provided with the
+** distribution.
+** * Neither the name of Digia Plc and its Subsidiary(-ies) nor the names
+** of its contributors may be used to endorse or promote products derived
+** from this software without specific prior written permission.
+**
+**
+** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+import QtQuick 2.0
+import QtQuick.Controls 1.0
+
+/*!
+ \qmltype AbstractCheckable
+ \inqmlmodule QtQuick.Controls 1.0
+ \ingroup controls
+ \brief An abstract representation of a checkable control
+ \qmlabstract
+*/
+
+Control {
+ id: abstractCheckable
+
+ /*!
+ Emitted whenever the radio button is clicked.
+ */
+ signal clicked
+
+ /*!
+ \qmlproperty bool RadioButton::pressed
+
+ This property is \c true if the radio button is pressed.
+ Set this property to manually invoke a mouse click.
+ */
+ readonly property alias pressed: mouseArea.effectivePressed
+
+ /*!
+ This property is \c true if the radio button is checked, and determines
+ whether \l checkedState is \c Qt.Checked or \c Qt.UnChecked.
+
+ If \l partiallyCheckedEnabled is \c true, this property will be
+ \c false.
+ */
+ property bool checked: false
+
+ /*!
+ \qmlproperty bool RadioButton::containsMouse
+
+ This property is \c true if the radio button currently contains the
+ mouse cursor.
+ */
+ readonly property alias containsMouse: mouseArea.containsMouse
+
+ /*!
+ This property is \c true if the radio button takes the focus when it is
+ pressed; \l{QQuickItem::forceActiveFocus()}{forceActiveFocus()} will be
+ called on the radio button.
+ */
+ property bool activeFocusOnPress: false
+
+ /*!
+ \qmlproperty ExclusiveGroup RadioButton::exclusiveGroup
+
+ This property stores the ExclusiveGroup that the radio button belongs
+ to.
+ */
+ property ExclusiveGroup exclusiveGroup: null
+
+ /*!
+ This property holds the text that the label should display.
+ */
+ property string text
+
+ /*! \internal */
+ property var __cycleStatesHandler: cycleRadioButtonStates
+
+ /*! \internal */
+ onExclusiveGroupChanged: {
+ if (exclusiveGroup)
+ exclusiveGroup.registerCheckable(abstractCheckable)
+ }
+
+ MouseArea {
+ id: mouseArea
+ focus: true
+ anchors.fill: parent
+ hoverEnabled: true
+ enabled: !keyPressed
+
+ property bool keyPressed: false
+ property bool effectivePressed: pressed && containsMouse || keyPressed
+
+ onClicked: abstractCheckable.clicked();
+
+ onPressed: if (activeFocusOnPress) forceActiveFocus();
+
+ onReleased: {
+ if (containsMouse && (!exclusiveGroup || !checked))
+ __cycleStatesHandler();
+ }
+ }
+
+ Keys.onPressed: {
+ if (event.key === Qt.Key_Space && !event.isAutoRepeat && !mouseArea.pressed)
+ mouseArea.keyPressed = true;
+ }
+
+ Keys.onReleased: {
+ if (event.key === Qt.Key_Space && !event.isAutoRepeat && mouseArea.keyPressed) {
+ mouseArea.keyPressed = false;
+ __cycleStatesHandler();
+ clicked();
+ }
+ }
+}