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prezto/modules/terminal/init.zsh

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#
# Sets terminal window and tab titles.
#
# Authors:
# James Cox <james@imaj.es>
# Sorin Ionescu <sorin.ionescu@gmail.com>
#
# Return if requirements are not found.
if [[ "$TERM" == 'dumb' ]]; then
return 1
fi
# Set the GNU Screen window number.
if [[ -n "$WINDOW" ]]; then
export SCREEN_NO="%B${WINDOW}%b "
else
export SCREEN_NO=""
fi
# Sets the GNU Screen title.
function set-screen-title {
if [[ "$TERM" == screen* ]]; then
printf "\ek%s\e\\" ${(V)argv}
fi
}
# Sets the terminal window title.
function set-window-title {
if [[ "$TERM" == ((x|a|ml|dt|E)term*|(u|)rxvt*) ]]; then
printf "\e]2;%s\a" ${(V)argv}
fi
}
# Sets the terminal tab title.
function set-tab-title {
if [[ "$TERM" == ((x|a|ml|dt|E)term*|(u|)rxvt*) ]]; then
printf "\e]1;%s\a" ${(V)argv}
fi
}
# Sets the tab and window titles with the command name.
function set-title-by-command {
emulate -L zsh
setopt LOCAL_OPTIONS EXTENDED_GLOB
# Get the command name that is under job control.
if [[ "${1[(w)1]}" == (fg|%*)(\;|) ]]; then
# Get the job name, and, if missing, set it to the default %+.
local job_name="${${1[(wr)%*(\;|)]}:-%+}"
# Make a local copy for use in the subshell.
local -A jobtexts_from_parent_shell
jobtexts_from_parent_shell=(${(kv)jobtexts})
jobs $job_name 2>/dev/null > >(
read index discarded
# The index is already surrounded by brackets: [1].
set-title-by-command "${(e):-\$jobtexts_from_parent_shell$index}"
)
else
# Set the command name, or in the case of sudo or ssh, the next command.
local cmd=${1[(wr)^(*=*|sudo|ssh|-*)]}
# Right-truncate the command name to 15 characters.
if (( $#cmd > 15 )); then
cmd="${cmd[1,15]}..."
fi
for kind in window tab screen; do
set-${kind}-title "$cmd"
done
fi
}
# Don't override precmd/preexec; append to hook array.
autoload -Uz add-zsh-hook
# Sets the tab and window titles before the prompt is displayed.
function set-title-precmd {
if zstyle -t ':prezto:module:terminal' auto-title; then
if [[ "$TERM_PROGRAM" == 'Apple_Terminal' && "$TERM" != screen* ]]; then
# Set the current working directory in Apple Terminal.
printf '\e]7;%s\a' "file://$HOST${PWD// /%20}"
else
set-window-title "${(%):-%~}"
for kind in tab screen; do
# Left-truncate the current working directory to 15 characters.
set-${kind}-title "${(%):-%15<...<%~%<<}"
done
fi
fi
}
add-zsh-hook precmd set-title-precmd
# Sets the tab and window titles before command execution.
function set-title-preexec {
if zstyle -t ':prezto:module:terminal' auto-title; then
if [[ "$TERM_PROGRAM" != 'Apple_Terminal' || "$TERM" == screen* ]]; then
set-title-by-command "$2"
fi
fi
}
add-zsh-hook preexec set-title-preexec