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AbstractCheckable.qml 4.79 KiB
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/****************************************************************************
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**
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** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
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** Contact: http://www.qt-project.org/legal
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**
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** This file is part of the Qt Quick Controls module of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:BSD$
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** You may use this file under the terms of the BSD license as follows:
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**
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** "Redistribution and use in source and binary forms, with or without
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** modification, are permitted provided that the following conditions are
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** met:
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**   * Redistributions of source code must retain the above copyright
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**     notice, this list of conditions and the following disclaimer.
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**   * Redistributions in binary form must reproduce the above copyright
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**     notice, this list of conditions and the following disclaimer in
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**     the documentation and/or other materials provided with the
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**     distribution.
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**   * Neither the name of Digia Plc and its Subsidiary(-ies) nor the names
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**     of its contributors may be used to endorse or promote products derived
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**     from this software without specific prior written permission.
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**
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**
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** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
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**
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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import QtQuick 2.0
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import QtQuick.Controls 1.0
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import QtQuick.Controls.Private 1.0
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/*!
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    \qmltype AbstractCheckable
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    \inqmlmodule QtQuick.Controls 1.0
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    \ingroup controls
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    \brief An abstract representation of a checkable control
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    \qmlabstract
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*/
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Control {
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    id: abstractCheckable
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    /*!
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        Emitted whenever the radio button is clicked.
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    */
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    signal clicked
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    /*!
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        \qmlproperty bool RadioButton::pressed
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        This property is \c true if the radio button is pressed.
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        Set this property to manually invoke a mouse click.
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    */
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    readonly property alias pressed: mouseArea.effectivePressed
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    /*!
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        This property is \c true if the radio button is checked, and determines
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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: {
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if (event.key === Qt.Key_Space && !event.isAutoRepeat && mouseArea.keyPressed) { mouseArea.keyPressed = false; __cycleStatesHandler(); clicked(); } } }