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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 BusyIndicatorStyle \inqmlmodule QtQuick.Controls.Styles \since 5.2 \ingroup controlsstyling \brief Provides custom styling for BusyIndicatorStyle. You can create a busy indicator by replacing the "indicator" delegate of the BusyIndicatorStyle with a custom design. Example: \qml BusyIndicator { style: BusyIndicatorStyle { indicator: Image { visible: control.running source: "spinner.png" RotationAnimator on rotation { running: control.running loops: Animation.Infinite duration: 2000 from: 0 ; to: 360 } } } } \endqml */ Style { id: indicatorstyle /*! The \l BusyIndicator this style is attached to. */ readonly property BusyIndicator control: __control /*! This defines the appearance of the busy indicator. */ property Component indicator: Item { id: indicatorItem implicitWidth: 48 implicitHeight: 48 opacity: control.running ? 1 : 0 Behavior on opacity { OpacityAnimator { duration: 250 } } Image { anchors.centerIn: parent anchors.alignWhenCentered: true width: Math.min(parent.width, parent.height) height: width source: width <= 32 ? "images/spinner_small.png" : width >= 48 ? "images/spinner_large.png" : "images/spinner_medium.png" RotationAnimator on rotation { duration: 800 loops: Animation.Infinite from: 0 to: 360 running: indicatorItem.visible && (control.running || indicatorItem.opacity > 0); } } } /*! \internal */ property Component panel: Item { anchors.fill: parent implicitWidth: indicatorLoader.implicitWidth implicitHeight: indicatorLoader.implicitHeight Loader { id: indicatorLoader sourceComponent: indicator anchors.centerIn: parent width: Math.min(parent.width, parent.height) height: width } } }