/****************************************************************************
|
**
|
** 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
|
function onActiveChanged() { backgroundCanvas.requestPaint() }
|
function 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
|
function onActiveChanged() { colorCanvas.requestPaint() }
|
function 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
|
function onActiveChanged() { foregroundCanvas.requestPaint() }
|
function 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, 0, width / 2, height / 2, width * 0.5 /* (same as height) */);
|
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
|
}
|
}
|
}
|
