148 lines
4.3 KiB
JavaScript
Executable File
148 lines
4.3 KiB
JavaScript
Executable File
// SPDX-FileCopyrightText: Night Theme Switcher Contributors
|
|
// SPDX-License-Identifier: GPL-3.0-or-later
|
|
|
|
import Gdk from 'gi://Gdk';
|
|
import GObject from 'gi://GObject';
|
|
import Gtk from 'gi://Gtk';
|
|
|
|
|
|
export class ShortcutButton extends Gtk.Stack {
|
|
static {
|
|
GObject.registerClass({
|
|
GTypeName: 'ShortcutButton',
|
|
Template: 'resource:///org/gnome/Shell/Extensions/nightthemeswitcher/preferences/ui/ShortcutButton.ui',
|
|
InternalChildren: ['choose_button', 'change_button', 'clear_button', 'dialog'],
|
|
Properties: {
|
|
keybinding: GObject.ParamSpec.string(
|
|
'keybinding',
|
|
'Keybinding',
|
|
'Key sequence',
|
|
GObject.ParamFlags.READWRITE,
|
|
null
|
|
),
|
|
},
|
|
}, this);
|
|
}
|
|
|
|
vfunc_mnemonic_activate() {
|
|
this.activate();
|
|
}
|
|
|
|
activate() {
|
|
if (this.keybinding)
|
|
return this._change_button.activate();
|
|
else
|
|
return this._choose_button.activate();
|
|
}
|
|
|
|
openDialog() {
|
|
this._dialog.transient_for = this.get_root();
|
|
this._dialog.present();
|
|
}
|
|
|
|
onKeybindingChanged(button) {
|
|
button.visible_child_name = button.keybinding ? 'edit' : 'choose';
|
|
}
|
|
|
|
onChooseButtonClicked(_button) {
|
|
this.openDialog();
|
|
}
|
|
|
|
onChangeButtonClicked(_button) {
|
|
this.openDialog();
|
|
}
|
|
|
|
onClearButtonClicked(_button) {
|
|
this.keybinding = '';
|
|
}
|
|
|
|
onKeyPressed(_widget, keyval, keycode, state) {
|
|
let mask = state & Gtk.accelerator_get_default_mod_mask();
|
|
mask &= ~Gdk.ModifierType.LOCK_MASK;
|
|
|
|
if (mask === 0 && keyval === Gdk.KEY_Escape) {
|
|
this._dialog.close();
|
|
return Gdk.EVENT_STOP;
|
|
}
|
|
|
|
if (
|
|
!isBindingValid({ mask, keycode, keyval }) ||
|
|
!isAccelValid({ mask, keyval })
|
|
)
|
|
return Gdk.EVENT_STOP;
|
|
|
|
this.keybinding = Gtk.accelerator_name_with_keycode(
|
|
null,
|
|
keyval,
|
|
keycode,
|
|
mask
|
|
);
|
|
this._dialog.close();
|
|
return Gdk.EVENT_STOP;
|
|
}
|
|
}
|
|
|
|
|
|
/**
|
|
* Check if the given keyval is forbidden.
|
|
*
|
|
* @param {number} keyval The keyval number.
|
|
* @returns {boolean} `true` if the keyval is forbidden.
|
|
*/
|
|
function isKeyvalForbidden(keyval) {
|
|
const forbiddenKeyvals = [
|
|
Gdk.KEY_Home,
|
|
Gdk.KEY_Left,
|
|
Gdk.KEY_Up,
|
|
Gdk.KEY_Right,
|
|
Gdk.KEY_Down,
|
|
Gdk.KEY_Page_Up,
|
|
Gdk.KEY_Page_Down,
|
|
Gdk.KEY_End,
|
|
Gdk.KEY_Tab,
|
|
Gdk.KEY_KP_Enter,
|
|
Gdk.KEY_Return,
|
|
Gdk.KEY_Mode_switch,
|
|
];
|
|
return forbiddenKeyvals.includes(keyval);
|
|
}
|
|
|
|
/**
|
|
* Check if the given key combo is a valid binding
|
|
*
|
|
* @param {{mask: number, keycode: number, keyval:number}} combo An object
|
|
* representing the key combo.
|
|
* @returns {boolean} `true` if the key combo is a valid binding.
|
|
*/
|
|
function isBindingValid({ mask, keycode, keyval }) {
|
|
if ((mask === 0 || mask === Gdk.SHIFT_MASK) && keycode !== 0) {
|
|
if (
|
|
(keyval >= Gdk.KEY_a && keyval <= Gdk.KEY_z) ||
|
|
(keyval >= Gdk.KEY_A && keyval <= Gdk.KEY_Z) ||
|
|
(keyval >= Gdk.KEY_0 && keyval <= Gdk.KEY_9) ||
|
|
(keyval >= Gdk.KEY_kana_fullstop && keyval <= Gdk.KEY_semivoicedsound) ||
|
|
(keyval >= Gdk.KEY_Arabic_comma && keyval <= Gdk.KEY_Arabic_sukun) ||
|
|
(keyval >= Gdk.KEY_Serbian_dje && keyval <= Gdk.KEY_Cyrillic_HARDSIGN) ||
|
|
(keyval >= Gdk.KEY_Greek_ALPHAaccent && keyval <= Gdk.KEY_Greek_omega) ||
|
|
(keyval >= Gdk.KEY_hebrew_doublelowline && keyval <= Gdk.KEY_hebrew_taf) ||
|
|
(keyval >= Gdk.KEY_Thai_kokai && keyval <= Gdk.KEY_Thai_lekkao) ||
|
|
(keyval >= Gdk.KEY_Hangul_Kiyeog && keyval <= Gdk.KEY_Hangul_J_YeorinHieuh) ||
|
|
(keyval === Gdk.KEY_space && mask === 0) ||
|
|
isKeyvalForbidden(keyval)
|
|
)
|
|
return false;
|
|
}
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* Check if the given key combo is a valid accelerator.
|
|
*
|
|
* @param {{mask: number, keyval:number}} combo An object representing the key
|
|
* combo.
|
|
* @returns {boolean} `true` if the key combo is a valid accelerator.
|
|
*/
|
|
function isAccelValid({ mask, keyval }) {
|
|
return Gtk.accelerator_valid(keyval, mask) || (keyval === Gdk.KEY_Tab && mask !== 0);
|
|
}
|