/**************************************************************************** ** ** Copyright (C) 2016 The Qt Company Ltd. ** Contact: https://www.qt.io/licensing/ ** ** This file is part of the Qt Quick Extras 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 QtGraphicalEffects 1.0 import QtQuick.Controls.Private 1.0 import QtQuick.Extras 1.4 /*! \qmltype StatusIndicatorStyle \inqmlmodule QtQuick.Controls.Styles \since 5.5 \ingroup controlsstyling \brief Provides custom styling for StatusIndicatorStyle. You can create a custom status indicator by defining the \l indicator component. */ Style { id: pieMenuStyle /*! The \l StatusIndicator that this style is attached to. */ readonly property StatusIndicator control: __control /*! The color that instances of \l [QtQuickExtras]{StatusIndicator} will have. The \l [QtQuickExtras]{StatusIndicator::}{color} property in \l [QtQuickExtras]{StatusIndicator} will override this property when set. */ property color color: "red" /*! This defines the indicator in both its on and off status. */ property Component indicator: Item { readonly property real shineStep: 0.05 readonly property real smallestAxis: Math.min(control.width, control.height) readonly property real outerRecessPercentage: 0.11 readonly property color offColor: Qt.rgba(0.13, 0.13, 0.13) readonly property color baseColor: control.active ? control.color : offColor implicitWidth: TextSingleton.implicitHeight * 2 implicitHeight: implicitWidth Canvas { id: backgroundCanvas width: Math.min(parent.width, parent.height) // height: width --- QTBUG-42878 height: Math.min(parent.width, parent.height) anchors.centerIn: parent Connections { target: control onActiveChanged: backgroundCanvas.requestPaint() onColorChanged: backgroundCanvas.requestPaint() } onPaint: { var ctx = getContext("2d"); ctx.reset(); // Draw the semi-transparent background. ctx.beginPath(); var gradient = ctx.createLinearGradient(width / 2, 0, width / 2, height * 0.75); gradient.addColorStop(0.0, Qt.rgba(0, 0, 0, control.active ? 0.1 : 0.25)); gradient.addColorStop(1.0, control.active ? Qt.rgba(0, 0, 0, 0.1) : Qt.rgba(0.74, 0.74, 0.74, 0.25)); ctx.fillStyle = gradient; ctx.ellipse(0, 0, width, height); ctx.fill(); } } Item { id: shadowGuard anchors.fill: backgroundCanvas anchors.margins: -shadow.radius Canvas { id: colorCanvas anchors.fill: parent anchors.margins: shadow.radius Connections { target: control onActiveChanged: colorCanvas.requestPaint() onColorChanged: colorCanvas.requestPaint() } onPaint: { var ctx = getContext("2d"); ctx.reset(); // Draw the actual color within the circle. ctx.beginPath(); ctx.fillStyle = baseColor; var recess = smallestAxis * outerRecessPercentage; ctx.ellipse(recess, recess, width - recess * 2, height - recess * 2); ctx.fill(); } } } DropShadow { id: shadow source: shadowGuard color: control.color cached: true anchors.fill: shadowGuard visible: control.active } Canvas { id: foregroundCanvas anchors.fill: backgroundCanvas Connections { target: control onActiveChanged: foregroundCanvas.requestPaint() onColorChanged: foregroundCanvas.requestPaint() } onPaint: { var ctx = getContext("2d"); ctx.reset(); // Draw the first shine. ctx.beginPath(); ctx.fillStyle = Qt.rgba(1, 1, 1, 0.03); var recessPercentage = outerRecessPercentage + shineStep * 0.65; var recess = smallestAxis * recessPercentage; ctx.ellipse(recess, recess, width - recess * 2, height - recess * 2); ctx.fill(); // Draw the second, inner shine. ctx.beginPath(); ctx.fillStyle = Qt.rgba(1, 1, 1, 0.06); recessPercentage += shineStep; recess = smallestAxis * recessPercentage; ctx.ellipse(recess, recess, width - recess * 2, height - recess * 2); ctx.fill(); // Now draw the final arced shine that goes over the first and second shines. // First, clip the entire shine area. ctx.beginPath(); recessPercentage -= shineStep; recess = smallestAxis * recessPercentage; ctx.ellipse(recess, recess, width - recess * 2, height - recess * 2); ctx.clip(); if (!control.active) { // Then, clip the bottom area out of the shine. ctx.ellipse(recess, height * 0.425, width - recess * 2, height - recess * 2); ctx.clip(); } ctx.beginPath(); var gradient; if (!control.active) { // Draw the shine arc. gradient = ctx.createLinearGradient(width / 2, height * 0.2, width / 2, height * 0.65); gradient.addColorStop(0.0, Qt.rgba(1, 1, 1, 0.05)); gradient.addColorStop(1.0, "transparent"); } else { // Draw the radial shine. gradient = ctx.createRadialGradient(width / 2, height / 2, width * 0.25, width / 2, height / 2, width * 0.25); gradient.addColorStop(0.0, Qt.lighter(baseColor, 1.4)); gradient.addColorStop(1.0, "transparent"); } ctx.fillStyle = gradient; ctx.ellipse(recess, recess, width - recess * 2, height - recess * 2); ctx.fill(); } } } /*! \internal */ property Component panel: Item { implicitWidth: indicatorLoader.implicitWidth implicitHeight: indicatorLoader.implicitHeight Loader { id: indicatorLoader width: Math.max(1, parent.width) height: Math.max(1, parent.height) anchors.centerIn: parent sourceComponent: indicator } } }