Make mouse drag not select text or go into visual mode
From Vim Tips Wiki
created 2004 · complexity basic · author Gabe Dalbec · version 6.0
It drives me crazy that frequently when I click in a window, it goes into visual mode for a few characters and thus I can't type normal command mode commands. I'm finding I always have to press "v" to exit visual mode before I can use vim again.
I finally figured out how to disable visual mode using the mouse:
noremap <LeftDrag> <LeftMouse> noremap! <LeftDrag> <LeftMouse>
In my vimrc:
No more visual mode from using mouse! :help 'mouse'
That doesn't quite work, as the mouse still puts you into visual mode (which is really all I was trying to avoid).
Also, with my way, you can use Shift-LeftDrag to still select visual.
What works for me is