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  insteadOf = madduck:

fix up xterm window title handling
[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 "[${flags}]"
41 }
42
43 __get_standard_prompt() {
44   emulate -L zsh
45   print -n "[${${(%):-%l}#pts/}]"
46   [[ -z $SSH_CLIENT ]] || print -nP "%m"
47   print -P "%#%25\<..\<%~ $(__get_session_flags)"
48 }
49
50 _set_plain_xterm_title() {
51   emulate -L zsh
52   __set_xterm_title "$(__get_standard_prompt)"
53 }
54 add-zsh-hook precmd _set_plain_xterm_title
55
56 _set_cmd_xterm_title () {
57   emulate -L zsh
58   local -a cmd; cmd=(${(z)1})             # Re-parse the command line
59
60   # Construct a command that will output the desired job number.
61   case $cmd[1] in
62     fg) if (( $#cmd == 1 )); then
63           # No arguments, must find the current job
64           cmd=(builtin jobs -l %+)
65         else
66           # Replace the command name, ignore extra args.
67           cmd=(builtin jobs -l ${(Q)cmd[2]})
68         fi;;
69     %*) cmd=(builtin jobs -l ${(Q)cmd[1]});; # Same as "else" above
70     *) # Not resuming a job,
71       __set_xterm_title $cmd[1]:t${cmd[2]:+ }$cmd[2,-1] "| $(__get_standard_prompt)"
72       return;;                        # so we're all done
73   esac
74
75   local -A jt; jt=(${(kv)jobtexts})       # Copy jobtexts for subshell
76
77   # Run the command, read its output, and look up the jobtext.
78   # Could parse $rest here, but $jobtexts (via $jt) is easier.
79   $cmd 2>/dev/null >>(read num rest; cmd=(${(z)${(e):-\$jt$num}};)
80   __set_xterm_title $leader$cmd[1]:t${cmd[2]:+ }$cmd[2,-1] "| $(__get_standard_prompt)"
81 )
82 }
83 add-zsh-hook preexec _set_cmd_xterm_title
84
85 # vim:ft=zsh