Select text inside a link like Opera

Disable link dragging and select text.

Info

With this script, Firefox can select text inside a link instead of dragging them around if the cursor moved horizontally.

Changelog

• Version 4.0.3 (Oct 19, 2014)
  • Cleanup some old code.
  • Add a new method to detect dragging direction.
• Version 4.0.2 (Oct 19, 2014)
  • Fix: Prevent click event when selecting.
• Version 4.0.1
  • Fix: Position calculating bug.
• Version 4.0 (Sep 29, 2014)
  • Now the script will only work if you drag horizontally.
• Version 3.0.1 (Aug 17, 2014)
  • Change the timing of uninit. Will uninit each time mouseup.
• Version 3.0 (Aug 17, 2014)
  • Rewrite with my coding style.