Posted by Rallaz on Apr 12, 2013; 11:52am
URL: https://forum.librecad.org/Getting-click-coordinates-from-plugin-tp5707898p5707900.html

More info (outdated):

http://wiki.librecad.org/index.php/LibreCAD_Plugin_Development
http://wiki.librecad.org/index.php/Plug_Entity_class
http://wiki.librecad.org/index.php/Document_Interface_class

More info (NO outdated):

plugins/document_interface.h (fully documented)