emacs-vterm-zsh.sh (2185B)
1 # From https://github.com/akermu/emacs-libvterm/blob/master/etc/emacs-vterm-zsh.sh 2 3 # Some of the most useful features in emacs-libvterm require shell-side 4 # configurations. The main goal of these additional functions is to enable the 5 # shell to send information to `vterm` via properly escaped sequences. A 6 # function that helps in this task, `vterm_printf`, is defined below. 7 8 function vterm_printf(){ 9 if [ -n "$TMUX" ] && ([ "${TERM%%-*}" = "tmux" ] || [ "${TERM%%-*}" = "screen" ] ); then 10 # Tell tmux to pass the escape sequences through 11 printf "\ePtmux;\e\e]%s\007\e\\" "$1" 12 elif [ "${TERM%%-*}" = "screen" ]; then 13 # GNU screen (screen, screen-256color, screen-256color-bce) 14 printf "\eP\e]%s\007\e\\" "$1" 15 else 16 printf "\e]%s\e\\" "$1" 17 fi 18 } 19 20 # Completely clear the buffer. With this, everything that is not on screen 21 # is erased. 22 if [[ "$INSIDE_EMACS" = 'vterm' ]]; then 23 alias clear='vterm_printf "51;Evterm-clear-scrollback";tput clear' 24 fi 25 26 # With vterm_cmd you can execute Emacs commands directly from the shell. 27 # For example, vterm_cmd message "HI" will print "HI". 28 # To enable new commands, you have to customize Emacs's variable 29 # vterm-eval-cmds. 30 vterm_cmd() { 31 local vterm_elisp 32 vterm_elisp="" 33 while [ $# -gt 0 ]; do 34 vterm_elisp="$vterm_elisp""$(printf '"%s" ' "$(printf "%s" "$1" | sed -e 's|\\|\\\\|g' -e 's|"|\\"|g')")" 35 shift 36 done 37 vterm_printf "51;E$vterm_elisp" 38 } 39 40 # This is to change the title of the buffer based on information provided by the 41 # shell. See, http://tldp.org/HOWTO/Xterm-Title-4.html, for the meaning of the 42 # various symbols. 43 autoload -U add-zsh-hook 44 add-zsh-hook -Uz chpwd (){ print -Pn "\e]2;%m:%2~\a" } 45 46 # Sync directory and host in the shell with Emacs's current directory. 47 # You may need to manually specify the hostname instead of $(hostname) in case 48 # $(hostname) does not return the correct string to connect to the server. 49 # 50 # The escape sequence "51;A" has also the role of identifying the end of the 51 # prompt 52 vterm_prompt_end() { 53 vterm_printf "51;A$(whoami)@$(hostname):$(pwd)"; 54 } 55 setopt PROMPT_SUBST 56 PROMPT=$PROMPT'%{$(vterm_prompt_end)%}'