Neovim version (nvim -v)

NVIM v0.8.0

Vim (not Nvim) behaves the same?

not tested

Operating system/version

archlinux

Terminal name/version

xterm 375

$TERM environment variable

in xterm it is xterm, in nvim terminal it is xterm-256color

Installation

system package manager

How to reproduce the issue

• $ xterm
• $ nvim --clean +'terminal nnn' # https://github.com/jarun/nnn
• $ nvim --clean +'terminal tig' # https://github.com/jonas/tig

Expected behavior

mouse works in nvim's builtin terminal for ncurses app;

Actual behavior

mouse left, right click and scroll up, down do not work as expected, and the two programs are ncurses based.
if I run them in xterm directly, the mouse works well.

more tests

If i do as this, then the mouse works well:

• $ xterm
• `$ nvim --clean +'terminal'
• $ echo '\x1b[?1002h # now we are in nvim's builtin terminal
• $ nnn