I'm using Linux Mint 17 64 bit and just installed DraftSight.  I have previously used DraftSight before and have it working on my laptop running an earlier version of LTS Mint.

With this new install on my desktop, the left click works fine to select menus etc. but can not left click within the work space.  I can enter lines via the keyboard okay, just can't by using the mouse.

Very strange.  Does anyone have any thoughts?  Could it be a licensing issue?