Vi keybindings in terminal and ansi-term
31 Aug 2015I did not see this problem described somewhere else, so this is a small post to document it. I was having an issue similar to the one described in this blog post, but ansi-term could print the “weird” characters that were supposed to cause the problem. After checking my dotfiles a bit, I found this piece of code:
# vi keybindings for zsh
bindkey -v
zle-keymap-select () {
if [ $TERM = "screen" ]; then
if [ $KEYMAP = vicmd ]; then
echo -ne '\033P\033]12;#ff6565\007\033\\'
else
echo -ne '\033P\033]12;grey\007\033\\'
fi
elif [ $TERM != "linux" ]; then
if [ $KEYMAP = vicmd ]; then
echo -ne "\033]12;#ff6565\007"
else
echo -ne "\033]12;grey\007"
fi
fi
}; zle -N zle-keymap-select
zle-line-init () {
zle -K viins
if [ $TERM = "screen" ]; then
echo -ne '\033P\033]12;grey\007\033\\'
elif [ $TERM != "linux" ]; then
echo -ne "\033]12;grey\007"
fi
zle vi-cmd-mode
}; zle -N zle-line-init
This piece sets up a red cursor for when I am in ‘vim mode’ in zsh. Apparently Emacs did not recognize these escape sequences and generated this weird output:
ansi-term sets up an env variable called $EMACS, so I just wrapped this code around it:
if [ -n "$EMACS" ]; then
echo "no vi keybindings inside emacs terms"
else
# the previous giant ball of code is now here
fi
And it works correctly now:
