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Minor fixes to accomodate Zsh4
[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   case $TERM in
17     screen)
18       print -nR $'\033k'$1$'\033'\\ 
19       print -nR $'\033]0;'$2$'\a'
20       ;;
21     xterm|rxvt*)
22       print -nR $'\033]0;'$*$'\a'
23       ;;
24   esac
25 }
26
27 __get_session_flags() {
28   emulate -L zsh
29   [ -n "$SSH_CONNECTION" ] || return
30   local flags
31   [ -n "$DISPLAY" ] && flags+=x
32   [ -n "$SSH_AUTH_SOCK" ] && flags+=a
33   [[ $SSH_CLIENT = *:* ]] && flags+=6
34   [ -n "$flags" ] && echo "[${flags}]"
35 }
36
37 __get_standard_prompt() {
38   emulate -L zsh
39   [[ -z $SSH_CLIENT ]] || print -nP "%m"
40   print -P "%#%25\<..\<%~ $(__get_session_flags)"
41 }
42
43 _set_plain_xterm_title() {
44   emulate -L zsh
45   __set_xterm_title "$(__get_standard_prompt)"
46 }
47 add-zsh-hook precmd _set_plain_xterm_title
48
49 _set_cmd_xterm_title () {
50   emulate -L zsh
51   local -a cmd; cmd=(${(z)1})             # Re-parse the command line
52
53   # Construct a command that will output the desired job number.
54   case $cmd[1] in
55     fg) if (( $#cmd == 1 )); then
56           # No arguments, must find the current job
57           cmd=(builtin jobs -l %+)
58         else
59           # Replace the command name, ignore extra args.
60           cmd=(builtin jobs -l ${(Q)cmd[2]})
61         fi;;
62     %*) cmd=(builtin jobs -l ${(Q)cmd[1]});; # Same as "else" above
63     *) # Not resuming a job,
64       __set_xterm_title $cmd[1]:t${cmd[2]:+ }$cmd[2,-1] "| $(__get_standard_prompt)"
65       return;;                        # so we're all done
66   esac
67
68   local -A jt; jt=(${(kv)jobtexts})       # Copy jobtexts for subshell
69
70   # Run the command, read its output, and look up the jobtext.
71   # Could parse $rest here, but $jobtexts (via $jt) is easier.
72   $cmd 2>/dev/null >>(read num rest; cmd=(${(z)${(e):-\$jt$num}};)
73   __set_xterm_title $leader$cmd[1]:t${cmd[2]:+ }$cmd[2,-1] "| $(__get_standard_prompt)"
74 )
75 }
76 add-zsh-hook preexec _set_cmd_xterm_title
77
78 # vim:ft=zsh