Js error due to null selection when viewing source via setKeystroke hotkey (patch)

[themanyone]

Type of report

Bug, patch widget plulgin.js

Provide detailed reproduction steps (if any)

1. Set up a hotkey for "view source" in config.js

editor1.setKeystroke([
        [ CKEDITOR.CTRL + 13 /*Enter*/, 'source' ],
]);

2. Press the hotkey

Expected result

No error

Actual result

plugin.js:2921 Uncaught TypeError: Cannot read property '0' of null
at Repository.fixCrossContentSelection (plugin.js:2921)
at Repository.listenerFirer (event.js:144)
at Repository.CKEDITOR.event.fire (event.js:290)
at fireCheckSelection (plugin.js:2952)

Other details

Fix: line 2921: check for null in /widget plugin.js
range = ranges? ranges[ 0 ]:null;

Fix line 292: check for null in /widget plugin.us
if (!this.editor.getSelection()) return;

• Browser: Chrome latest
• OS: Linux
• CKEditor version: 4.15.?
• Installed CKEditor plugins: widget

[jacekbogdanski]

It's the regression introduced in d633573 so between 4.13.0 and 4.13.1.

[f1ames]

Fixed in cb6f2c4.