1.8 KiB
shortcut
A Shortcut
presents a global keyboard shortcut in operating system. If a
Shortcut
is registered in app, the app will receive an active
event when
user presses the shortcut. Note that it is global, even your app does not get
focused, it still works.
var Shortcut = require('shortcut');
shortcut = new Shortcut('ctrl+a');
shortcut.setKey('ctrl+s');
shortcut.on('active', function() { console.log('ctrl+s pressed'); });
shortcut.on('failed', function() { console.log("failed"); });
shortcut.register();
Class: Shortcut
Shortcut
is an EventEmitter.
new Shortcut(keycode)
keycode
String
Creates a new Shortcut
associated with the keycode
.
keycode
is a string to specify shortcut key, such as "ctrl+shift+a".
A keycode
consists of modifier and key two parts:
Modifiers: control(ctrl), command(cmd), alt, shift, commandorcontrol(cmdorctrl).
Supported keys: 0-9, a-z, up, down, left, right, home, end, pagedown, pageup, insert, delete, esc, space, backspace, tab, f1-f12, volumeup, volumedown, media keys(medianextrack, mediaprevioustrack, mediastop, mediaplaypause).
Event: active
Emitted when a registered shortcut
is pressed by user.
Event: failed
Emitted when the keycode of shortcut
is invalid.
Shortcut.setKey(keycode)
keycode
String
Set new keycode
to a Shortcut
. Note that this operation will override previous
keycode and will unregister the Shortcut
, developer should register the
Shortcut
again after setKey
.
Shortcut.register
Register a Shortcut
to operating system.
Shortcut.unregister
Unregister a Shortcut
to operating system.
Shortcut.isRegistered
Return whether the shortcut is registered.