move segment renderring logic to prompt expansion time

pull/35/head
romkatv 6 years ago
parent d8ef83b59a
commit 1e2c81f696

@ -25,6 +25,8 @@
[[ -v _P9K_SOURCED ]] && return
readonly _P9K_SOURCED=1
# TODO: Expand all configurable strings with (g::) during initialization.
typeset -g _P9K_INSTALLATION_DIR
# Try to set the installation path
@ -103,12 +105,6 @@ _p9k_get_icon() {
typeset -ga _P9K_LEFT_JOIN=(1)
typeset -ga _P9K_RIGHT_JOIN=(1)
typeset -g _P9K_CURRENT_BG
typeset -gi _P9K_LAST_SEGMENT_INDEX
_p9k_should_join_left() [[ $_P9K_LAST_SEGMENT_INDEX -ge ${_P9K_LEFT_JOIN[$1]:-$1} ]]
_p9k_should_join_right() [[ $_P9K_LAST_SEGMENT_INDEX -ge ${_P9K_RIGHT_JOIN[$1]:-$1} ]]
# Resolves a color to its numerical value, or an empty string. Communicates the result back
# by setting _P9K_RETVAL.
_p9k_color() {
@ -131,8 +127,12 @@ _p9k_foreground() {
[[ -n $1 ]] && _P9K_RETVAL="%F{$1}" || _P9K_RETVAL="%f"
}
# Begin a left prompt segment
# Takes four arguments:
_p9k_escape_rcurly() {
_P9K_RETVAL=${${1//\\/\\\\}//\}/\\\}}
}
# Begin a left prompt segment.
#
# * $1: Name of the function that was originally invoked (mandatory).
# Necessary, to make the dynamic color-overwrite mechanism work.
# * $2: The array index of the current segment
@ -140,83 +140,109 @@ _p9k_foreground() {
# * $4: Foreground color
# * $5: The segment content
# * $6: An identifying icon (must be a key of the icons array)
# The latter three can be omitted,
# * $7: 1 to to perform parameter expansion and process substitution.
# * $8: If not empty but becomes empty after prompt parameter expansion and process substitution,
# the segment isn't rendered.
#
# The latter four can be omitted.
set_default POWERLEVEL9K_WHITESPACE_BETWEEN_LEFT_SEGMENTS " "
left_prompt_segment() {
_p9k_should_join_left $2
local -i separate=$?
if ! _p9k_cache_get "$0" "$1" "$3" "$4" "${5:+1}" "$6" "$_P9K_CURRENT_BG" "$separate"; then
if ! _p9k_cache_get "$0" "$1" "$2" "$3" "$4" "$6"; then
_p9k_color $3 $1 BACKGROUND
local background_color=$_P9K_RETVAL
_p9k_background $background_color
_p9k_escape_rcurly $_P9K_RETVAL
local pre=$_P9K_RETVAL
_p9k_color $4 $1 FOREGROUND
local foreground_color=$_P9K_RETVAL
_p9k_foreground $foreground_color
local foreground=$_P9K_RETVAL
_p9k_background $background_color
local output=$_P9K_RETVAL
if [[ $_P9K_CURRENT_BG == NONE ]]; then
# The first segment on the line.
output+=$POWERLEVEL9K_WHITESPACE_BETWEEN_LEFT_SEGMENTS
elif (( separate )); then
if [[ $background_color == $_P9K_CURRENT_BG ]]; then
# Middle segment with same color as previous segment
# We take the current foreground color as color for our
# subsegment (or the default color). This should have
# enough contrast.
if [[ $foreground == "%f" ]]; then
_p9k_foreground $DEFAULT_COLOR
output+=$_P9K_RETVAL
else
output+=$foreground
fi
local default_foreground=$_P9K_RETVAL
_p9k_get_icon LEFT_SUBSEGMENT_SEPARATOR
output+="${_P9K_RETVAL}${POWERLEVEL9K_WHITESPACE_BETWEEN_LEFT_SEGMENTS}"
else
output+="%F{$_P9K_CURRENT_BG}"
local subsep=$_P9K_RETVAL
_p9k_get_icon LEFT_SEGMENT_SEPARATOR
output+="${_P9K_RETVAL}${POWERLEVEL9K_WHITESPACE_BETWEEN_LEFT_SEGMENTS}"
fi
local sep=$_P9K_RETVAL
_p9k_escape_rcurly $POWERLEVEL9K_WHITESPACE_BETWEEN_LEFT_SEGMENTS
local space=$_P9K_RETVAL
if [[ $foreground == "%f" ]]; then
_p9k_escape_rcurly $default_foreground$subsep$POWERLEVEL9K_WHITESPACE_BETWEEN_LEFT_SEGMENTS
local divider=$_P9K_RETVAL
else
_p9k_escape_rcurly $foreground$subsep$POWERLEVEL9K_WHITESPACE_BETWEEN_LEFT_SEGMENTS
local divider=$_P9K_RETVAL
fi
_p9k_escape_rcurly "%F{\$_P9K_BG}${sep}${POWERLEVEL9K_WHITESPACE_BETWEEN_LEFT_SEGMENTS}"
local separator=$_P9K_RETVAL
local post
local has_icon=0
if [[ -n $6 ]]; then
_p9k_get_icon $6
if [[ -n $_P9K_RETVAL ]]; then
local icon=$_P9K_RETVAL
_p9k_color $foreground_color $1 VISUAL_IDENTIFIER_COLOR
_p9k_foreground $_P9K_RETVAL
_p9k_escape_rcurly "${_P9K_RETVAL}${icon}"
post=$_P9K_RETVAL
has_icon=1
fi
fi
_p9k_escape_rcurly $foreground
post+=$_P9K_RETVAL
local icon_sep
(( has_icon )) && icon_sep="\${_P9K_C:+ }"
local output
output+="\${_P9K_N::=}"
output+="\${\${_P9K_E:-\${_P9K_N:=9}}+}"
output+="\${\${\${\${_P9K_BG:-0}:#NONE}:-\${_P9K_N:=1}}+}"
output+="\${\${\${\$((_P9K_I>0&&_P9K_I>=$_P9K_LEFT_JOIN[$2])):#1}:-\${_P9K_N:=2}}+}"
output+="\${\${\${\${:-0\$_P9K_BG}:#0$background_color}:-\${_P9K_N:=3}}+}"
output+="\${\${_P9K_N:=4}+}"
output+="\${\${_P9K_V[1]::=$pre$space$post}+}"
output+="\${\${_P9K_V[2]::=$pre$post}+}"
output+="\${\${_P9K_V[3]::=$pre$divider$post}+}"
output+="\${\${_P9K_V[4]::=$pre$separator$post}+}"
output+="\${_P9K_V[\$_P9K_N]}"
output+="\${_P9K_E:+$icon_sep\${_P9K_C}$space\${\${_P9K_I::=$2}+}\${\${_P9K_BG::=$background_color}+}}"
# Add an whitespace if we print more than just the visual identifier.
# To avoid cutting off the visual identifier in some terminal emulators (e.g., Konsole, st),
# we need to color both the visual identifier and the whitespace.
output+="${_P9K_RETVAL}${icon}${5:+ }"
fi
_p9k_cache_set "$output"
# Segment separator logic:
#
# if [[ $_P9K_BG == NONE ]]; then
# output+=$POWERLEVEL9K_WHITESPACE_BETWEEN_LEFT_SEGMENTS // _P9K_N=1
# elif (( joined )); then
# output+="" // _P9K_N=2
# elif [[ $background_color == $_P9K_BG ]]; then
# output+=$divider // _P9K_N=3
# else
# output+=$separator // _P9K_N=4
# fi
fi
output+=$foreground
_p9k_cache_set "$output" "$background_color"
if (( $7 )); then
local content=$5
else
local content="\${(Q)\${:-${(q)5}}}"
fi
_P9K_PROMPT+="${_P9K_CACHE_VAL[1]}\${(Q)\${:-${(q)5}}}${POWERLEVEL9K_WHITESPACE_BETWEEN_LEFT_SEGMENTS}"
_P9K_LAST_SEGMENT_INDEX=$2
_P9K_CURRENT_BG=$_P9K_CACHE_VAL[2]
_P9K_PROMPT+="\${\${_P9K_E::=${8:-1}}+}\${\${_P9K_C::=${content}}+}${_P9K_CACHE_VAL[1]}"
}
# Begin a right prompt segment
# Takes four arguments:
# * $1: Name of the function that was originally invoked (mandatory).
# Necessary, to make the dynamic color-overwrite mechanism work.
# * $2: The array index of the current segment
# * $3: Background color
# * $4: Foreground color
# * $5: The segment content
# * $6: An identifying icon (must be a key of the icons array)
# No ending for the right prompt segment is needed (unlike the left prompt, above).
# The same as left_prompt_segment above but for the right prompt.
set_default POWERLEVEL9K_WHITESPACE_BETWEEN_RIGHT_SEGMENTS " "
right_prompt_segment() {
_p9k_should_join_right $2
local -i separate=$?
if ! _p9k_cache_get "$0" "$1" "$3" "$4" "$6" "$_P9K_CURRENT_BG" "$separate"; then
if ! _p9k_cache_get "$0" "$1" "$2" "$3" "$4" "$6"; then
_p9k_color $3 $1 BACKGROUND
local background_color=$_P9K_RETVAL
_p9k_background $background_color
@ -227,54 +253,78 @@ right_prompt_segment() {
_p9k_foreground $foreground_color
local foreground=$_P9K_RETVAL
local output=''
if [[ $_P9K_CURRENT_BG == NONE || $separate != 0 ]]; then
if [[ $background_color == $_P9K_CURRENT_BG ]]; then
# Middle segment with same color as previous segment
# We take the current foreground color as color for our
# subsegment (or the default color). This should have
# enough contrast.
if [[ $foreground == "%f" ]]; then
_p9k_foreground $DEFAULT_COLOR
output+=$_P9K_RETVAL
else
output+=$foreground
fi
local default_foreground=$_P9K_RETVAL
_p9k_get_icon RIGHT_SUBSEGMENT_SEPARATOR
output+=$_P9K_RETVAL
else
output+="%F{$background_color}"
local subsep=$_P9K_RETVAL
_p9k_get_icon RIGHT_SEGMENT_SEPARATOR
output+=$_P9K_RETVAL
fi
output+="${background}${POWERLEVEL9K_WHITESPACE_BETWEEN_RIGHT_SEGMENTS}"
local sep=$_P9K_RETVAL
_p9k_escape_rcurly "%F{$background_color}$sep$background$POWERLEVEL9K_WHITESPACE_BETWEEN_RIGHT_SEGMENTS$foreground"
local space=$_P9K_RETVAL
_p9k_escape_rcurly $background$foreground
local joiner=$_P9K_RETVAL
local divider
if [[ -z $foreground_color ]]; then
divider=$default_foreground
else
output+=$background
divider=$foreground
fi
_p9k_escape_rcurly $divider$subsep$background$POWERLEVEL9K_WHITESPACE_BETWEEN_RIGHT_SEGMENTS$foreground
divider=$_P9K_RETVAL
output+=$foreground
local icon=''
local icon
if [[ -n $6 ]]; then
_p9k_get_icon $6
if [[ -n $_P9K_RETVAL ]]; then
local icon=$_P9K_RETVAL
local glyph=$_P9K_RETVAL
_p9k_color $foreground_color $1 VISUAL_IDENTIFIER_COLOR
_p9k_foreground $_P9K_RETVAL
# Add an whitespace if we print more than just the visual identifier.
# To avoid cutting off the visual identifier in some terminal emulators (e.g., Konsole, st),
# we need to color both the visual identifier and the whitespace.
icon="${_P9K_RETVAL}${icon} "
_p9k_escape_rcurly "${_P9K_RETVAL}${glyph} "
icon=$_P9K_RETVAL
fi
fi
local output
output+="\${_P9K_N::=}"
output+="\${\${_P9K_E:-\${_P9K_N:=9}}+}"
output+="\${\${\${\${_P9K_BG:-0}:#NONE}:-\${_P9K_N:=1}}+}"
output+="\${\${\${\$((_P9K_I>0&&_P9K_I>=$_P9K_RIGHT_JOIN[$2])):#1}:-\${_P9K_N:=2}}+}"
output+="\${\${\${\${:-0\$_P9K_BG}:#0$background_color}:-\${_P9K_N:=3}}+}"
output+="\${\${_P9K_N:=1}+}"
output+="\${\${_P9K_V[1]::=$space}+}"
output+="\${\${_P9K_V[2]::=$joiner}+}"
output+="\${\${_P9K_V[3]::=$divider}+}"
output+="\${\${_P9K_V[4]::=$space}+}"
output+="\${_P9K_V[\$_P9K_N]}"
output+="\${_P9K_E:+\${_P9K_C}\${_P9K_C:+ }$icon\${\${_P9K_I::=$2}+}\${\${_P9K_BG::=$background_color}+}}"
_p9k_cache_set "$output"
# Segment separator logic:
#
# if [[ $_P9K_BG == NONE ]]; then
# output+=$space # _P9K_N=1
# elif (( joined )); then
# output+=$joiner # _P9K_N=2
# elif [[ $background_color == $_P9K_BG ]]; then
# output+=$divider # _P9K_N=3
# else
# output+=$space # _P9K_N=1
# fi
fi
_p9k_cache_set "$output" "$background_color" "$icon"
if (( $7 )); then
local content=$5
else
local content="\${(Q)\${:-${(q)5}}}"
fi
_P9K_PROMPT+="${_P9K_CACHE_VAL[1]}${5//\$/\\$}${5:+ }${_P9K_CACHE_VAL[3]}"
_P9K_CURRENT_BG=$_P9K_CACHE_VAL[2]
_P9K_LAST_SEGMENT_INDEX=$2
_P9K_PROMPT+="\${\${_P9K_E::=${8:-1}}+}\${\${_P9K_C::=${content}}+}${_P9K_CACHE_VAL[1]}"
}
################################################################
@ -319,14 +369,15 @@ prompt_aws_eb_env() {
set_default POWERLEVEL9K_BACKGROUND_JOBS_VERBOSE true
set_default POWERLEVEL9K_BACKGROUND_JOBS_VERBOSE_ALWAYS false
prompt_background_jobs() {
local -i n=${(%)${:-%j}}
(( n )) || return
local prompt
if [[ $POWERLEVEL9K_BACKGROUND_JOBS_VERBOSE == true &&
($n -gt 1 || $POWERLEVEL9K_BACKGROUND_JOBS_VERBOSE_ALWAYS == true) ]]; then
prompt='%j'
if [[ $POWERLEVEL9K_BACKGROUND_JOBS_VERBOSE == true ]]; then
if [[ $POWERLEVEL9K_BACKGROUND_JOBS_VERBOSE_ALWAYS == true ]]; then
prompt='${(%)${:-%j}}'
else
prompt='${${(%)${:-%j}}:#1}'
fi
"$1_prompt_segment" "$0" "$2" "$DEFAULT_COLOR" "cyan" "$prompt" 'BACKGROUND_JOBS_ICON'
fi
$1_prompt_segment $0 $2 "$DEFAULT_COLOR" cyan "$prompt" BACKGROUND_JOBS_ICON 1 '${${(%)${:-%j}}:#0}'
}
################################################################
@ -342,7 +393,7 @@ prompt_newline() {
fi
POWERLEVEL9K_WHITESPACE_BETWEEN_LEFT_SEGMENTS=
"$1_prompt_segment" "$0" "$2" "" "" "${newline}"
_P9K_CURRENT_BG=NONE
_P9K_PROMPT+='${${_P9K_BG::=NONE}+}'
POWERLEVEL9K_WHITESPACE_BETWEEN_LEFT_SEGMENTS=$lws
}
@ -1258,9 +1309,15 @@ prompt_chruby() {
################################################################
# Segment to print an icon if user is root.
prompt_root_indicator() {
if [[ "$UID" -eq 0 ]]; then
"$1_prompt_segment" "$0" "$2" "$DEFAULT_COLOR" "yellow" "" 'ROOT_ICON'
fi
"$1_prompt_segment" "$0" "$2" "$DEFAULT_COLOR" "yellow" "" 'ROOT_ICON' 0 '${${(%)${:-%#}}:#%}'
}
# This segment is a demo. It can disappear any time. Use prompt_dir instead.
prompt_simple_dir() {
$1_prompt_segment $0_HOME $2 blue "$DEFAULT_COLOR" "%~" HOME_ICON 0 '${$((!${#${(%)${:-%~}}:#\~})):#0}'
$1_prompt_segment $0_HOME_SUBFOLDER $2 blue "$DEFAULT_COLOR" "%~" HOME_SUB_ICON 0 '${$((!${#${(%)${:-%~}}:#\~?*})):#0}'
$1_prompt_segment $0_ETC $2 blue "$DEFAULT_COLOR" "%~" ETC_ICON 0 '${$((!${#${(%)${:-%~}}:#/etc*})):#0}'
$1_prompt_segment $0_DEFAULT $2 blue "$DEFAULT_COLOR" "%~" FOLDER_ICON 0 '${${${(%)${:-%~}}:#\~*}:#/etc*}'
}
################################################################
@ -1780,14 +1837,10 @@ prompt_vcs() {
# Vi Mode: show editing mode (NORMAL|INSERT)
set_default POWERLEVEL9K_VI_INSERT_MODE_STRING "INSERT"
set_default POWERLEVEL9K_VI_COMMAND_MODE_STRING "NORMAL"
typeset -gi _P9K_KEYMAP_VIMCMD
prompt_vi_mode() {
if (( _P9K_KEYMAP_VIMCMD )); then
"$1_prompt_segment" "$0_NORMAL" "$2" "$DEFAULT_COLOR" "white" "$POWERLEVEL9K_VI_COMMAND_MODE_STRING"
elif [[ -n $POWERLEVEL9K_VI_INSERT_MODE_STRING ]]; then
"$1_prompt_segment" "$0_INSERT" "$2" "$DEFAULT_COLOR" "blue" "$POWERLEVEL9K_VI_INSERT_MODE_STRING"
$1_prompt_segment $0_NORMAL $2 "$DEFAULT_COLOR" white "$POWERLEVEL9K_VI_COMMAND_MODE_STRING" '' 0 '${$((!${#${:-0${KEYMAP}}:#0vicmd})):#0}'
if [[ -n $POWERLEVEL9K_VI_INSERT_MODE_STRING ]]; then
$1_prompt_segment $0_INSERT $2 "$DEFAULT_COLOR" blue "$POWERLEVEL9K_VI_INSERT_MODE_STRING" '' 0 '${${:-0${KEYMAP}}:#0vicmd}'
fi
}
@ -1916,9 +1969,6 @@ prompt_java_version() {
# Main prompt
set_default -a POWERLEVEL9K_LEFT_PROMPT_ELEMENTS context dir vcs
build_left_prompt() {
_P9K_CURRENT_BG=NONE
_P9K_LAST_SEGMENT_INDEX=0
local -i index=1
local element
for element in "${POWERLEVEL9K_LEFT_PROMPT_ELEMENTS[@]}"; do
@ -1935,28 +1985,11 @@ build_left_prompt() {
((++index))
done
if ! _p9k_cache_get "$0" "$_P9K_CURRENT_BG"; then
local output="%k"
if [[ $_P9K_CURRENT_BG != NONE ]]; then
_p9k_foreground $_P9K_CURRENT_BG
output+=$_P9K_RETVAL
_p9k_get_icon LEFT_SEGMENT_SEPARATOR
output+="${_P9K_RETVAL}"
fi
_p9k_get_icon LEFT_SEGMENT_END_SEPARATOR
output+="%f${_P9K_RETVAL}"
_p9k_cache_set "$output"
fi
_P9K_PROMPT+="${_P9K_CACHE_VAL[1]}"
}
# Right prompt
set_default -a POWERLEVEL9K_RIGHT_PROMPT_ELEMENTS status root_indicator background_jobs history time
build_right_prompt() {
_P9K_CURRENT_BG=NONE
_P9K_LAST_SEGMENT_INDEX=0
local -i index=1
local element
@ -1974,9 +2007,6 @@ build_right_prompt() {
((++index))
done
# Clear to the end of the line
_P9K_PROMPT+="%E"
}
typeset -gF _P9K_TIMER_START
@ -2005,8 +2035,8 @@ typeset -fH _p9k_set_prompt() {
RPROMPT=$_P9K_RIGHT_PREFIX$_P9K_PROMPT$_P9K_RIGHT_SUFFIX
fi
unset _P9K_HOOK1
unset _P9K_HOOK2
unset _P9K_H1
unset _P9K_H2
}
typeset -g _P9K_REFRESH_REASON
@ -2032,7 +2062,6 @@ powerlevel9k_prepare_prompts() {
_p9k_init
_P9K_TIMER_START=1e10
_P9K_KEYMAP_VIMCMD=0
_P9K_REFRESH_REASON=precmd
_p9k_set_prompt
@ -2040,8 +2069,7 @@ powerlevel9k_prepare_prompts() {
}
function _p9k_zle_keymap_select() {
[[ $KEYMAP == vicmd ]] && _P9K_KEYMAP_VIMCMD=1 || _P9K_KEYMAP_VIMCMD=0
_p9k_update_prompt keymap-select
zle .reset-prompt
}
set_default POWERLEVEL9K_IGNORE_TERM_COLORS false
@ -2078,8 +2106,8 @@ _p9k_init_timer() {
emulate -L zsh
local reason
IFS='' read -u $_P9K_TIMER_FD1 reason || return
unset _P9K_HOOK1
unset _P9K_HOOK2
unset _P9K_H1
unset _P9K_H2
[[ -n $reason ]] && _p9k_update_prompt $reason || zle .reset-prompt
}
@ -2197,10 +2225,30 @@ _p9k_init() {
fi
done
if [[ $POWERLEVEL9K_EXPERIMENTAL_TIME_REALTIME == true ]] || segment_in_use background_jobs; then
if [[ $POWERLEVEL9K_EXPERIMENTAL_TIME_REALTIME == true ]]; then
_p9k_init_timer
fi
_P9K_LEFT_PREFIX+='${${_P9K_BG::=NONE}+}${${_P9K_I::=0}+}'
_P9K_RIGHT_PREFIX+='${${_P9K_BG::=NONE}+}${${_P9K_I::=0}+}'
_p9k_get_icon LEFT_SEGMENT_SEPARATOR
_p9k_escape_rcurly $_P9K_RETVAL
_P9K_LEFT_SUFFIX+='%k'
_P9K_LEFT_SUFFIX+="\${_P9K_N::=}"
_P9K_LEFT_SUFFIX+="\${\${_P9K_BG:-\${_P9K_N:=1}}+}"
_P9K_LEFT_SUFFIX+="\${\${\${_P9K_BG:#NONE}:-\${_P9K_N:=2}}+}"
_P9K_LEFT_SUFFIX+="\${\${_P9K_N:=3}+}"
_P9K_LEFT_SUFFIX+="\${\${_P9K_V[1]::=%f$_P9K_RETVAL}+}"
_P9K_LEFT_SUFFIX+="\${_P9K_V[2]::=}"
_P9K_LEFT_SUFFIX+="\${\${_P9K_V[3]::=%F{\$_P9K_BG\}$_P9K_RETVAL}+}"
_P9K_LEFT_SUFFIX+="\${_P9K_V[\$_P9K_N]}"
_P9K_LEFT_SUFFIX+='%f'
_p9k_get_icon LEFT_SEGMENT_END_SEPARATOR
_P9K_LEFT_SUFFIX+=$_P9K_RETVAL
_P9K_RIGHT_SUFFIX+="%E"
if [[ $POWERLEVEL9K_PROMPT_ON_NEWLINE == true ]]; then
_p9k_get_icon MULTILINE_FIRST_PROMPT_PREFIX
_P9K_LEFT_PREFIX+="$_P9K_RETVAL%f%b%k"
@ -2232,7 +2280,7 @@ _p9k_init() {
fi
if segment_in_use background_jobs && (( _P9K_TIMER_FD2 )); then
_P9K_LEFT_SUFFIX+="\${_P9K_HOOK1+\${_P9K_HOOK2-\${_P9K_HOOK2=}\$(echo >&$_P9K_TIMER_FD2)}}\${_P9K_HOOK1=}"
_P9K_LEFT_SUFFIX+="\${_P9K_H1+\${_P9K_H2-\${_P9K_H2=}\$(echo>&$_P9K_TIMER_FD2)}}\${_P9K_H1=}"
fi
# If the terminal `LANG` is set to `C`, this theme will not work at all.

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