running some interactive program via keybinding doesn't work as expected

[mcfog]

$ fish -v
fish, version 2.7.1

$ bind \cq 'zsh'
(press ctrl+q)
(zsh works well, invoke bash in it also works)

$ bind \cq 'bash'
(press ctrl+q)
(bash prompt appear, but press enter, the prompt appear in the same line instead of nextline, inputing command don't appear... see screen shot after)

$ bind \cq 'ssh localhost'
(press ctrl+q)
(after ssh into localhost, the fish works well, but invoking bash in it failed to work, same as above)

Background: I'm trying to implement some shortcut key to pick an remote machine with fzf and ssh into picked machine, when I run my function by typing its name, it works well, but it failed with keybinding

[mqudsi]

Off the top of my head: it's possible bash doesn't steal the terminal for itself and relies on the parent to assign it and fish is executing the bind actions in the background?

[faho]

The underlying issue here is that we don't reset the terminal modes when we execute a command via a binding. zsh seems to reset them, while bash doesn't. However, it does generally work, it just won't show characters echo'd.

Maybe we should reset the terminal modes in this case?

The workaround is to add stty sane to the binding, like bind \cq 'stty sane; bash'