nixos-configs/config/ags/services_wip/libinput.js

162 lines
3.8 KiB
JavaScript

/*
import Libinput from './libinput.js';
Libinput.instance.connect('device-init', () => {
let pointers = [];
Libinput.devices.forEach(dev => {
if (dev.Capabilities.includes('pointer')) {
pointers.push(dev);
}
})
Libinput.addDebugInstance('pointers', pointers)
.connect('new-line', e => print(e.lastLine))
});
*/
const { Service } = ags;
const { execAsync } = ags.Utils;
import GLib from 'gi://GLib';
import Gio from 'gi://Gio';
import GObject from 'gi://GObject';
class DebugInstance extends GObject.Object {
static {
GObject.registerClass({
Signals: {
'changed': {},
'closed': {},
'new-line': {},
},
}, this);
}
devices = [];
name = '';
lastLine = '';
readOutput(stdout, stdin) {
stdout.read_line_async(GLib.PRIORITY_LOW, null, (stream, result) => {
try {
const [line] = stream.read_line_finish_utf8(result);
if (line !== null) {
this.lastLine = line;
this.emit('new-line');
this.readOutput(stdout, stdin);
}
} catch (e) {
logError(e);
}
});
}
getOutput(devs) {
try {
let args = [];
devs.forEach(dev => {
if (dev.Kernel) {
args.push('--device');
args.push(dev.Kernel);
}
});
const proc = Gio.Subprocess.new(['libinput', 'debug-events', ...args],
Gio.SubprocessFlags.STDIN_PIPE | Gio.SubprocessFlags.STDOUT_PIPE);
// Get the `stdin`and `stdout` pipes, wrapping `stdout` to make it easier to
// read lines of text
const stdinStream = proc.get_stdin_pipe();
const stdoutStream = new Gio.DataInputStream({
base_stream: proc.get_stdout_pipe(),
close_base_stream: true,
});
// Start the loop
this.readOutput(stdoutStream, stdinStream);
} catch (e) {
logError(e);
}
}
constructor(name, devs) {
super();
this.devices = devs;
this.name = name;
this.getOutput(devs);
}
}
class LibinputService extends Service {
static {
Service.register(this, {
'device-init': ['boolean'],
'instance-closed': ['string'],
'instance-added': ['string'],
});
}
debugInstances = new Map();
devices = new Map();
get devices() { return this._devices; }
parseOutput(output) {
let lines = output.split('\n');
let device = null;
lines.forEach(line => {
let parts = line.split(':');
if (parts[0] === 'Device') {
device = {};
this.devices.set(parts[1].trim(), device);
}
else if (device && parts[1]) {
let key = parts[0].trim();
let value = parts[1].trim();
device[key] = value;
}
});
this.emit('device-init', true);
}
constructor() {
super();
this.debugInstances = new Map();
execAsync(['libinput', 'list-devices'])
.then(out => this.parseOutput(out))
.catch(console.error);
}
addDebugInstance(name, devs) {
if (this.debugInstances.get(name))
return;
devs = Array(devs);
if (devs.some(dev => dev.Capabilities && dev.Capabilities.includes('pointer'))) {
}
const debugInst = new DebugInstance(name, devs);
debugInst.connect('closed', () => {
this.debugInstances.delete(name);
this.emit('instance-closed', name);
this.emit('changed');
});
this.debugInstances.set(name, debugInst);
this.emit('instance-added', name);
return debugInst;
}
}
export default class Libinput {
static { Service.Libinput = this; }
static instance = new LibinputService();
static get devices() { return Libinput.instance.devices; }
static get debugInstances() { return Libinput.instance.debugInstances; }
static addDebugInstance(name, dev) {
return Libinput.instance.addDebugInstance(name, dev);
}
}