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Clean desklet.js

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This commit is contained in:
Raymundo Cassani 2020-05-27 13:41:51 -04:00
parent bcac9990f2
commit ac43ebd100
1 changed files with 31 additions and 42 deletions
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65
files/system-monitor-graph@rcassani/desklet.js
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@ -6,9 +6,6 @@ const Clutter = imports.gi.Clutter;
const Cinnamon = imports.gi.Cinnamon;
const Gio = imports.gi.Gio;
const Cairo = imports.cairo;
const St = imports.gi.St;
function MyDesklet(metadata, desklet_id) {
@ -30,29 +27,20 @@ MyDesklet.prototype = {
this.settings.bindProperty(Settings.BindingDirection.IN, "type", "type", this.on_setting_changed);
this.settings.bindProperty(Settings.BindingDirection.IN, "refresh-interval", "refresh_interval", this.on_setting_changed);
this.settings.bindProperty(Settings.BindingDirection.IN, "line-color", "line_color", this.on_setting_changed);
// initialize desklet GUI
this.setupUI();
},
setupUI: function(){
// initialize size
// initialize this.canvas
this.canvas = new Clutter.Actor();
this.canvas.remove_all_children();
this.text1 = new St.Label();
this.text2 = new St.Label();
this.canvas.add_actor(this.text1);
this.canvas.add_actor(this.text2);
this.n_values = 30 + 1;
this.values = new Array(this.n_values).fill(0.0);
this.setContent(this.canvas);
// set decoration settings
// flag to indicate the first loop of the Desklet
this.first_run = true;
// update loop for Desklet
@ -60,6 +48,14 @@ MyDesklet.prototype = {
},
update: function() {
// time settings for graph
if (this.first_run){
this.duration = 30;
this.refresh_interval = 1;
this.n_values = Math.floor(this.duration / this.refresh_interval) + 1;
this.values = new Array(this.n_values).fill(0.0);
}
// Desklet proportions
let unit_size = 15; // pixels
var margin_up = 3 * unit_size;
@ -67,20 +63,16 @@ MyDesklet.prototype = {
var graph_h = 4 * unit_size;
let desklet_w = graph_w + (2 * unit_size);
let desklet_h = graph_h + (4 * unit_size);
// let desklet_w = 330; // pixels
// let desklet_h = 120; // pixels
// let size_margin = 15; // pixels
// var graph_w = desklet_w - (2 * size_margin);
//var graph_h = desklet_h - (4 * size_margin);
let graph_step = 2 * unit_size / 3; // this depends on the interval, and refresh
var v_midlines = 4;
var h_midlines = 5;
let text1_size = 5 * unit_size / 3;
let text2_size = 4 * unit_size / 3;
var radius = 2 * unit_size / 3;;
var degrees = Math.PI / 180.0;
let n_values = this.n_values;
let values = this.values;
let graph_step = graph_w / (n_values -1);
var value = 0.0;
var text1 = '';
@ -89,7 +81,6 @@ MyDesklet.prototype = {
var line_g;
var line_b;
// current values
switch (this.type) {
case "cpu":
@ -143,15 +134,13 @@ MyDesklet.prototype = {
ctx.setLineWidth(2);
// desklet background
let radius = 10;
let degrees = Math.PI / 180.0;
ctx.setSourceRGBA(0.2, 0.2, 0.2, 1);
ctx.newSubPath();
ctx.arc(desklet_w - radius, radius, radius, -90 * degrees, 0 * degrees);
ctx.arc(desklet_w - radius, desklet_h - radius, radius, 0 * degrees, 90 * degrees);
ctx.arc(radius, desklet_h - radius, radius, 90 * degrees, 180 * degrees);
ctx.arc(radius, radius, radius, 180 * degrees, 270 * degrees);
ctx.closePath();
ctx.setSourceRGB(0.2, 0.2, 0.2);
ctx.fill();
// graph border
@ -159,18 +148,22 @@ MyDesklet.prototype = {
ctx.rectangle(unit_size, margin_up, graph_w, graph_h);
ctx.stroke();
// graph midlines
ctx.setSourceRGBA(line_r, line_g, line_b, 0.2);
let n_midlines = 4;
for (let i = 1; i<n_midlines; i++){
ctx.moveTo(unit_size, margin_up + i * (graph_h / n_midlines));
ctx.relLineTo(graph_w, 0);
ctx.moveTo((i * graph_w / n_midlines) + unit_size, margin_up);
// graph V and H midlines
ctx.setSourceRGBA(0.5, 0.5, 0.5, 1);
ctx.setLineWidth(0.5);
for (let i = 1; i<v_midlines; i++){
ctx.moveTo((i * graph_w / v_midlines) + unit_size, margin_up);
ctx.relLineTo(0, graph_h);
ctx.stroke();
}
for (let i = 1; i<h_midlines; i++){
ctx.moveTo(unit_size, margin_up + i * (graph_h / h_midlines));
ctx.relLineTo(graph_w, 0);
ctx.stroke();
}
// timeseries
// timeseries and area
ctx.setLineWidth(2);
ctx.setSourceRGBA(line_r, line_g, line_b, 1);
ctx.moveTo(unit_size, margin_up + graph_h - (values[0] * graph_h));
for (let i = 1; i<n_values; i++){
@ -212,10 +205,6 @@ MyDesklet.prototype = {
Mainloop.source_remove(this.timeout);
},
on_desklet_added_to_desktop: function(){
this.actor.set_position(100, 100);
},
get_cpu_times: function(){
// launching sequential processes
// https://stackoverflow.com/questions/61147229/multiple-arguments-in-gio-subprocess