/usr/share/plasma/plasmoids/org.kde.plasma.systemloadviewer/contents/ui/CircularMonitor.qml is in plasma-widgets-addons 4:5.12.4-0ubuntu1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 | /*
* Copyright (C) 2014 Martin Yrjölä <martin.yrjola@gmail.com>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of
* the License or (at your option) version 3 or any later version
* accepted by the membership of KDE e.V. (or its successor approved
* by the membership of KDE e.V.), which shall act as a proxy
* defined in Section 14 of version 3 of the license.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>
*/
import QtQuick 2.0
import QtQuick.Layouts 1.1
Item {
property alias colors: canvas.colors
property alias proportions: canvas.proportions
Layout.fillHeight: true
Layout.fillWidth: true
onProportionsChanged: {
canvas.requestPaint()
}
Canvas {
id: canvas
property int lineWidth: 1
property bool fill: true
property bool stroke: true
property real alpha: 1.0
property var proportions
property var colors
// This fixes edge bleeding
readonly property double filler: 0.01
width: parent.width
height: Math.min(parent.height, parent.width)
antialiasing: true
onPaint: {
var ctx = getContext("2d");
ctx.save();
ctx.clearRect(0,0,canvas.width, canvas.height);
ctx.strokeStyle = canvas.strokeStyle;
ctx.globalAlpha = canvas.alpha
// Start from 6 o'clock
var currentRadian = Math.PI/2
// Draw the sectors
for (var i = 0; i < proportions.length; i++) {
var radians = proportions[i] * 2 * Math.PI
ctx.fillStyle = colors[i]
ctx.beginPath();
ctx.arc(width/2, height/2, height/2.1, currentRadian, currentRadian + radians + filler, false)
ctx.arc(width/2, height/2, height/4, currentRadian + radians + filler, currentRadian, true)
currentRadian += radians - filler
ctx.closePath();
ctx.fill();
}
// Draw border
ctx.fillStyle = "transparent"
ctx.strokeStyle = theme.textColor
ctx.lineWidth = canvas.lineWidth
ctx.globalAlpha = .4
ctx.beginPath();
ctx.arc(width/2, height/2, height/2.1, Math.PI/2, 5*Math.PI/2, false)
ctx.moveTo(width/2,height/2+height/4);
ctx.arc(width/2, height/2, height/4, Math.PI/2, 5*Math.PI/2, false)
ctx.fillRule = Qt.OddEvenFill
ctx.fill();
ctx.stroke();
ctx.restore();
}
}
}
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