/****************************************************************************
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**
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** Copyright (C) 2016 The Qt Company Ltd.
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** Contact: https://www.qt.io/licensing/
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**
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** This file is part of the Qt Quick Extras module of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:LGPL$
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** Commercial License Usage
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** Licensees holding valid commercial Qt licenses may use this file in
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** accordance with the commercial license agreement provided with the
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** Software or, alternatively, in accordance with the terms contained in
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** a written agreement between you and The Qt Company. For licensing terms
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** information use the contact form at https://www.qt.io/contact-us.
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**
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** GNU Lesser General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU Lesser
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** General Public License version 3 as published by the Free Software
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** Foundation and appearing in the file LICENSE.LGPL3 included in the
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** packaging of this file. Please review the following information to
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** ensure the GNU Lesser General Public License version 3 requirements
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** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
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**
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** GNU General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU
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** General Public License version 2.0 or (at your option) the GNU General
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** Public license version 3 or any later version approved by the KDE Free
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** Qt Foundation. The licenses are as published by the Free Software
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** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
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** included in the packaging of this file. Please review the following
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** information to ensure the GNU General Public License requirements will
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** be met: https://www.gnu.org/licenses/gpl-2.0.html and
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** https://www.gnu.org/licenses/gpl-3.0.html.
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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 2.2
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import QtGraphicalEffects 1.0
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import QtQuick.Controls.Styles 1.4
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import QtQuick.Extras 1.4
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import QtQuick.Extras.Private.CppUtils 1.1
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/*!
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\qmltype DelayButtonStyle
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\inqmlmodule QtQuick.Controls.Styles
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\since 5.5
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\ingroup controlsstyling
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\brief Provides custom styling for DelayButton.
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You can create a custom DelayButton by replacing the following delegates:
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\list
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\li \l foreground
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\li \l {ButtonStyle::}{label}
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\endlist
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*/
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CircularButtonStyle {
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id: delayButtonStyle
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/*!
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The \l DelayButton that this style is attached to.
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*/
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readonly property DelayButton control: __control
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/*!
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The gradient of the progress bar around the button.
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*/
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property Gradient progressBarGradient: Gradient {
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GradientStop {
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position: 0
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color: "#ff6666"
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}
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GradientStop {
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position: 1
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color: "#ff0000"
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}
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}
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/*!
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The color of the drop shadow under the progress bar.
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*/
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property color progressBarDropShadowColor: "#ff6666"
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background: Item {
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implicitWidth: __buttonHelper.implicitWidth
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implicitHeight: __buttonHelper.implicitHeight
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Canvas {
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id: backgroundCanvas
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anchors.fill: parent
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Connections {
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target: control
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function onPressedChanged() { backgroundCanvas.requestPaint() }
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function onCheckedChanged() { backgroundCanvas.requestPaint() }
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}
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onPaint: {
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var ctx = getContext("2d");
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__buttonHelper.paintBackground(ctx);
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}
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}
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}
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/*!
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The foreground of the button.
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The progress bar is drawn here.
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*/
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property Component foreground: Item {
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id: foregroundItem
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state: "normal"
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states: [
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State {
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name: "normal"
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PropertyChanges {
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target: foregroundItem
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opacity: 1
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}
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},
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State {
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name: "activated"
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}
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]
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transitions: [
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Transition {
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from: "normal"
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to: "activated"
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SequentialAnimation {
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loops: Animation.Infinite
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NumberAnimation {
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target: foregroundItem
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property: "opacity"
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from: 0.8
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to: 0
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duration: 500
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easing.type: Easing.InOutSine
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}
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NumberAnimation {
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target: foregroundItem
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property: "opacity"
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from: 0
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to: 0.8
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duration: 500
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easing.type: Easing.InOutSine
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}
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}
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}
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]
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Connections {
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target: control
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function onActivated() { state = "activated" }
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function onCheckedChanged() { if (!control.checked) state = "normal" }
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}
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CircularProgressBar {
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id: progressBar
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visible: false
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width: Math.min(parent.width, parent.height) + progressBarDropShadow.radius * 3 * 2
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height: width
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anchors.centerIn: parent
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antialiasing: true
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barWidth: __buttonHelper.outerArcLineWidth
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inset: progressBarDropShadow.radius * 3
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minimumValueAngle: -180
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maximumValueAngle: 180
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progress: control.progress
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// TODO: Add gradient property if/when we drop support for building with 5.1.
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function updateGradient() {
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clearStops();
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for (var i = 0; i < progressBarGradient.stops.length; ++i) {
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addStop(progressBarGradient.stops[i].position, progressBarGradient.stops[i].color);
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}
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}
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Component.onCompleted: updateGradient()
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Connections {
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target: delayButtonStyle
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function onProgressBarGradientChanged() { progressBar.updateGradient() }
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}
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}
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DropShadow {
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id: progressBarDropShadow
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anchors.fill: progressBar
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// QTBUG-33747
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// cached: !control.pressed
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color: progressBarDropShadowColor
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source: progressBar
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}
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}
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panel: Item {
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implicitWidth: backgroundLoader.implicitWidth
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implicitHeight: backgroundLoader.implicitHeight
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Loader {
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id: backgroundLoader
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anchors.fill: parent
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sourceComponent: background
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}
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Loader {
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id: foregroundLoader
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anchors.fill: parent
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sourceComponent: foreground
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}
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Loader {
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id: labelLoader
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sourceComponent: label
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anchors.fill: parent
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anchors.leftMargin: padding.left
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anchors.topMargin: padding.top
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anchors.rightMargin: padding.right
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anchors.bottomMargin: padding.bottom
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}
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}
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}
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