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Diffstat (limited to 'src/controls/AbstractCheckable.qml')
-rw-r--r-- | src/controls/AbstractCheckable.qml | 149 |
1 files changed, 149 insertions, 0 deletions
diff --git a/src/controls/AbstractCheckable.qml b/src/controls/AbstractCheckable.qml new file mode 100644 index 00000000..206361e2 --- /dev/null +++ b/src/controls/AbstractCheckable.qml @@ -0,0 +1,149 @@ +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(); + } + } +} |