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Use PS1 to set the prompt start mark

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Needed as precmd functions are not called when redrawing the prompt. As
far as I can tell zsh stupidly has no hook that is called when the
prompt is redrawn after a window resize or when a background job
finishes.
This commit is contained in:
Kovid Goyal 2021-07-14 21:50:24 +05:30
parent a4925eeeb4
commit 85f6d3fed8
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GPG Key ID: 06BC317B515ACE7C
1 changed files with 19 additions and 16 deletions
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35
shell-integration/kitty.zsh
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@ -41,22 +41,18 @@ args=($@)
zle -N zle-keymap-select kitty_zle_keymap_select
fi
function mark() {
# tell kitty to mark the current cursor position using OSC 133
printf "\e]133;%s\e\\" "$1"
function osc() {
printf "\e]%s\a" "$1"
}
function set_title_precmd () {
# Set kitty window title to the cwd
if [[ "$kitty_prompt_title" == "y" ]]; then
printf "\e]2;%s\007" "${PWD/$HOME/~}"
fi
function mark() {
# tell kitty to mark the current cursor position using OSC 133
osc "133;$1"
}
function set_title_preexec() {
# Set kitty window title to the currently executing command
if [[ "$kitty_prompt_title" == "y" ]]; then
printf "\e]2;%s\a" "$1"
fi
typeset -g kitty_prompt_start_mark="%{$(mark A)%}"
function set_title() {
if [[ "$kitty_prompt_title" == "y" ]]; then osc "2;$1"; fi
}
function kitty_precmd() {
@ -67,14 +63,18 @@ args=($@)
compdef _kitty kitty
fi
fi
set_title_precmd
# Set kitty window title to the cwd
set_title "${PWD/$HOME/~}"
if [[ "$kitty_prompt_state" == "preexec" ]]; then
mark "D;$cmd_status"
else
if [[ "$kitty_prompt_state" != "first-run" ]]; then mark "D"; fi
fi
# we must use PS1 to set the prompt start mark as precmd functions are
# not called when the prompt is redrawn after a window resize or when a background
# job finishes
if [[ "$PS1" != *"$kitty_prompt_start_mark"* ]]; then PS1="$kitty_prompt_start_mark$PS1" fi
kitty_prompt_state="precmd"
mark "A"
}
function kitty_zle_line_init() {
@ -104,8 +104,11 @@ args=($@)
function kitty_preexec() {
mark "C"
set_title_preexec "$1"
# Set kitty window title to the currently executing command
set_title "$1"
kitty_prompt_state="preexec"
# remove the prompt mark sequence while the command is executing as it could read/modify the value of PS1
PS1="${PS1//$kitty_prompt_start_mark/}"
}
typeset -a -g precmd_functions