activate_gnome/activate_gnome@isjerryxiao/extension.js
2022-03-19 15:45:05 +08:00

90 lines
3.5 KiB
JavaScript

/* extension.js
*
* 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 3 of the License, or
* (at your option) any later version.
*
* 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 <https://www.gnu.org/licenses/>.
*
* SPDX-License-Identifier: GPL-3.0-or-later
* /
/* exported init */
const St = imports.gi.St
const Main = imports.ui.main
const Mainloop = imports.mainloop
const ExtensionUtils = imports.misc.extensionUtils
const Me = ExtensionUtils.getCurrentExtension()
class Extension {
constructor() {
this.labels = []
this.loaded = 0
this.settings = null
this.settings_handler_id = null
this.monitors_handler_id = null
}
update() {
let settings = this.settings
let text1 = settings.get_string('text-l1') || settings.get_default_value('text-l1').get_string()
let text2 = settings.get_string('text-l2') || settings.get_default_value('text-l2').get_string()
let vl2 = settings.get_double('l2-vertical') || settings.get_default_value('l2-vertical').get_double()
let hl2 = settings.get_double('l2-horizontal') || settings.get_default_value('l2-horizontal').get_double()
let opacity = settings.get_double('opacity') || settings.get_default_value('opacity').get_double()
this.cleanup()
for (let monitor of Main.layoutManager.monitors) {
let label_1 = new St.Label({ style_class: 'label-1', text: text1, opacity })
let label_2 = new St.Label({ style_class: 'label-2', text: text2, opacity })
Main.layoutManager.addTopChrome(label_2, {"trackFullscreen": false})
Main.layoutManager.addTopChrome(label_1, {"trackFullscreen": false})
this.labels.push(label_1)
this.labels.push(label_2)
let h = Math.max(0, Math.floor(monitor.height * vl2 - label_2.height))
let w = Math.max(0, Math.floor(monitor.width * hl2 - label_2.width))
label_2.set_position(monitor.x + w, monitor.y + h)
label_1.set_position(Math.min(monitor.x + w, monitor.x + monitor.width - label_1.width), monitor.y + h - label_1.height)
if (this.loaded < 4) {
this.loaded++
Mainloop.timeout_add(1000, () => this.update())
}
}
}
enable() {
this.settings = ExtensionUtils.getSettings(Me.metadata['settings-schema'])
this.settings_handler_id = this.settings.connect('changed', () => this.update())
this.monitors_handler_id = Main.layoutManager.connect('monitors-changed', () => this.update())
this.update()
}
cleanup() {
for (let label of this.labels) {
Main.layoutManager.removeChrome(label)
label.destroy()
}
this.labels = []
}
disable() {
this.cleanup()
this.settings.disconnect(this.settings_handler_id)
Main.layoutManager.disconnect(this.monitors_handler_id)
this.settings = null
this.settings_handler_id = null
this.monitors_handler_id = null
}
}
function init() {
log(`initializing ${Me.metadata.name}`)
return new Extension()
}