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[etc/zsh.git] / .zsh / zshrc / 10-xterm_title
1 #
2 # Fancy setting of the xterm title
3 #
4 # Copyright © 1994–2017 martin f. krafft <madduck@madduck.net>
5 # Released under the terms of the Artistic Licence 2.0
6 #
7 # Source repository: http://git.madduck.net/v/etc/zsh.git
8 #
9 # Based on http://www.zshwiki.org/cgi-bin/wiki.pl?ZshHardStatus
10 #
11
12 autoload -U add-zsh-hook
13
14 __set_xterm_title() {
15   emulate -L zsh
16   local typ
17   case $TERM in
18     (tmux|tmux-*) typ=tmux;;
19     (screen|screen-*) if [ -n "$TMUX" ]; then typ=tmux else typ=screen fi;;
20     (*) typ=xterm
21   esac
22
23   case "$typ" in
24     (xterm) print -nR $'\033]0;'$*$'\a';;
25     (screen)
26       print -nR $'\033k'$1$'\033'\\
27       print -nR $'\033]0;'$2$'\a'
28       ;;
29     (tmux) print -nR $'\033]2;'$*$'\a';;
30   esac
31 }
32
33 __get_session_flags() {
34   emulate -L zsh
35   [ -n "$SSH_CONNECTION" ] || return
36   local flags
37   [ -n "$DISPLAY" ] && flags+=x
38   [ -n "$SSH_AUTH_SOCK" ] && flags+=a
39   [[ $SSH_CLIENT = *:* ]] && flags+=6
40   [ -n "$flags" ] && echo "[${flags}]"
41 }
42
43 __get_standard_prompt() {
44   emulate -L zsh
45   [[ -z $SSH_CLIENT ]] || print -nP "%m"
46   print -P "@${${(%):-%l}#pts/}%#%25\<..\<%~ $(__get_session_flags)"
47 }
48
49 _set_plain_xterm_title() {
50   emulate -L zsh
51   __set_xterm_title "$(__get_standard_prompt)"
52 }
53 add-zsh-hook precmd _set_plain_xterm_title
54
55 _set_cmd_xterm_title () {
56   emulate -L zsh
57   local -a cmd; cmd=(${(z)1})             # Re-parse the command line
58
59   # Construct a command that will output the desired job number.
60   case $cmd[1] in
61     fg) if (( $#cmd == 1 )); then
62           # No arguments, must find the current job
63           cmd=(builtin jobs -l %+)
64         else
65           # Replace the command name, ignore extra args.
66           cmd=(builtin jobs -l ${(Q)cmd[2]})
67         fi;;
68     %*) cmd=(builtin jobs -l ${(Q)cmd[1]});; # Same as "else" above
69     *) # Not resuming a job,
70       __set_xterm_title $cmd[1]:t${cmd[2]:+ }$cmd[2,-1] "| $(__get_standard_prompt)"
71       return;;                        # so we're all done
72   esac
73
74   local -A jt; jt=(${(kv)jobtexts})       # Copy jobtexts for subshell
75
76   # Run the command, read its output, and look up the jobtext.
77   # Could parse $rest here, but $jobtexts (via $jt) is easier.
78   $cmd 2>/dev/null >>(read num rest; cmd=(${(z)${(e):-\$jt$num}};)
79   __set_xterm_title $leader$cmd[1]:t${cmd[2]:+ }$cmd[2,-1] "| $(__get_standard_prompt)"
80 )
81 }
82 add-zsh-hook preexec _set_cmd_xterm_title
83
84 # vim:ft=zsh