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Improve naming of variables

As a side effect this should improve the performance slightly, as we get
the fore- and background color codes as early as possible, and store the
result, so that we don't have to recalculate the color code all over.
This commit is contained in:
Dominik Ritter 2018-08-07 22:00:11 +02:00
parent 02506893a9
commit 93324c0600

View file

@ -111,45 +111,54 @@ CURRENT_BG='NONE'
set_default last_left_element_index 1
set_default POWERLEVEL9K_WHITESPACE_BETWEEN_LEFT_SEGMENTS " "
left_prompt_segment() {
local segment_name="${1}"
local current_index=$2
# Check if the segment should be joined with the previous one
local joined
segmentShouldBeJoined $current_index $last_left_element_index "$POWERLEVEL9K_LEFT_PROMPT_ELEMENTS" && joined=true || joined=false
# Colors
local backgroundColor="${3}"
local foregroundColor="${4}"
# Overwrite given background-color by user defined variable for this segment.
local BACKGROUND_USER_VARIABLE=POWERLEVEL9K_${(U)1#prompt_}_BACKGROUND
local BACKGROUND_USER_VARIABLE=POWERLEVEL9K_${(U)${segment_name}#prompt_}_BACKGROUND
local BG_COLOR_MODIFIER=${(P)BACKGROUND_USER_VARIABLE}
[[ -n $BG_COLOR_MODIFIER ]] && 3="$BG_COLOR_MODIFIER"
[[ -n $BG_COLOR_MODIFIER ]] && backgroundColor="$BG_COLOR_MODIFIER"
# Overwrite given foreground-color by user defined variable for this segment.
local FOREGROUND_USER_VARIABLE=POWERLEVEL9K_${(U)1#prompt_}_FOREGROUND
local FOREGROUND_USER_VARIABLE=POWERLEVEL9K_${(U)${segment_name}#prompt_}_FOREGROUND
local FG_COLOR_MODIFIER=${(P)FOREGROUND_USER_VARIABLE}
[[ -n $FG_COLOR_MODIFIER ]] && 4="$FG_COLOR_MODIFIER"
[[ -n $FG_COLOR_MODIFIER ]] && foregroundColor="$FG_COLOR_MODIFIER"
local bg fg
[[ -n "$3" ]] && bg="$(backgroundColor $3)" || bg="%k"
[[ -n "$4" ]] && fg="$(foregroundColor $4)" || fg="%f"
# Get color codes here to save some calls later on
backgroundColor="$(getColorCode ${backgroundColor})"
foregroundColor="$(getColorCode ${foregroundColor})"
if [[ $CURRENT_BG != 'NONE' ]] && ! isSameColor "$3" "$CURRENT_BG"; then
echo -n "$bg%F{$CURRENT_BG}"
local background foreground
[[ -n "${backgroundColor}" ]] && background="$(backgroundColor ${backgroundColor})" || background="%k"
[[ -n "${foregroundColor}" ]] && foreground="$(foregroundColor ${foregroundColor})" || foreground="%f"
if [[ $CURRENT_BG != 'NONE' ]] && ! isSameColor "${backgroundColor}" "$CURRENT_BG"; then
echo -n "${background}%F{$CURRENT_BG}"
if [[ $joined == false ]]; then
# Middle segment
echo -n "$(print_icon 'LEFT_SEGMENT_SEPARATOR')$POWERLEVEL9K_WHITESPACE_BETWEEN_LEFT_SEGMENTS"
fi
elif isSameColor "$CURRENT_BG" "$3"; then
elif isSameColor "$CURRENT_BG" "${backgroundColor}"; 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.
local complement
[[ -n "$4" ]] && complement="$fg" || complement="$(foregroundColor $DEFAULT_COLOR)"
echo -n "${bg}${complement}"
[[ -n "${foregroundColor}" ]] && complement="${foreground}" || complement="$(foregroundColor $DEFAULT_COLOR)"
echo -n "${background}${complement}"
if [[ $joined == false ]]; then
echo -n "$(print_icon 'LEFT_SUBSEGMENT_SEPARATOR')$POWERLEVEL9K_WHITESPACE_BETWEEN_LEFT_SEGMENTS"
fi
else
# First segment
echo -n "${bg}$POWERLEVEL9K_WHITESPACE_BETWEEN_LEFT_SEGMENTS"
echo -n "${background}$POWERLEVEL9K_WHITESPACE_BETWEEN_LEFT_SEGMENTS"
fi
local visual_identifier
@ -161,8 +170,8 @@ left_prompt_segment() {
# we need to color both the visual identifier and the whitespace.
[[ -n "$5" ]] && visual_identifier="$visual_identifier "
# Allow users to overwrite the color for the visual identifier only.
local visual_identifier_color_variable=POWERLEVEL9K_${(U)1#prompt_}_VISUAL_IDENTIFIER_COLOR
set_default $visual_identifier_color_variable $4
local visual_identifier_color_variable=POWERLEVEL9K_${(U)${segment_name}#prompt_}_VISUAL_IDENTIFIER_COLOR
set_default $visual_identifier_color_variable "${foregroundColor}"
visual_identifier="%F{${(P)visual_identifier_color_variable}%}$visual_identifier%f"
fi
fi
@ -170,10 +179,10 @@ left_prompt_segment() {
# Print the visual identifier
echo -n "${visual_identifier}"
# Print the content of the segment, if there is any
[[ -n "$5" ]] && echo -n "${fg}${5}"
[[ -n "$5" ]] && echo -n "${foreground}${5}"
echo -n "${POWERLEVEL9K_WHITESPACE_BETWEEN_LEFT_SEGMENTS}"
CURRENT_BG="$(getColorCode ${3})"
CURRENT_BG="${backgroundColor}"
last_left_element_index=$current_index
}
@ -203,25 +212,34 @@ CURRENT_RIGHT_BG='NONE'
set_default last_right_element_index 1
set_default POWERLEVEL9K_WHITESPACE_BETWEEN_RIGHT_SEGMENTS " "
right_prompt_segment() {
local segment_name="${1}"
local current_index=$2
# Check if the segment should be joined with the previous one
local joined
segmentShouldBeJoined $current_index $last_right_element_index "$POWERLEVEL9K_RIGHT_PROMPT_ELEMENTS" && joined=true || joined=false
# Colors
local backgroundColor="${3}"
local foregroundColor="${4}"
# Overwrite given background-color by user defined variable for this segment.
local BACKGROUND_USER_VARIABLE=POWERLEVEL9K_${(U)1#prompt_}_BACKGROUND
local BACKGROUND_USER_VARIABLE=POWERLEVEL9K_${(U)${segment_name}#prompt_}_BACKGROUND
local BG_COLOR_MODIFIER=${(P)BACKGROUND_USER_VARIABLE}
[[ -n $BG_COLOR_MODIFIER ]] && 3="$BG_COLOR_MODIFIER"
[[ -n $BG_COLOR_MODIFIER ]] && backgroundColor="$BG_COLOR_MODIFIER"
# Overwrite given foreground-color by user defined variable for this segment.
local FOREGROUND_USER_VARIABLE=POWERLEVEL9K_${(U)1#prompt_}_FOREGROUND
local FOREGROUND_USER_VARIABLE=POWERLEVEL9K_${(U)${segment_name}#prompt_}_FOREGROUND
local FG_COLOR_MODIFIER=${(P)FOREGROUND_USER_VARIABLE}
[[ -n $FG_COLOR_MODIFIER ]] && 4="$FG_COLOR_MODIFIER"
local bg fg
[[ -n "$3" ]] && bg="$(backgroundColor $3)" || bg="%k"
[[ -n "$4" ]] && fg="$(foregroundColor $4)" || fg="%f"
# Get color codes here to save some calls later on
backgroundColor="$(getColorCode ${backgroundColor})"
foregroundColor="$(getColorCode ${foregroundColor})"
local background foreground
[[ -n "${backgroundColor}" ]] && background="$(backgroundColor ${backgroundColor})" || background="%k"
[[ -n "${foregroundColor}" ]] && foreground="$(foregroundColor ${foregroundColor})" || foreground="%f"
# If CURRENT_RIGHT_BG is "NONE", we are the first right segment.
@ -231,17 +249,17 @@ right_prompt_segment() {
fi
if [[ $joined == false ]] || [[ "$CURRENT_RIGHT_BG" == "NONE" ]]; then
if isSameColor "$CURRENT_RIGHT_BG" "$3"; then
if isSameColor "$CURRENT_RIGHT_BG" "${backgroundColor}"; 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.
local complement
[[ -n "$4" ]] && complement="$fg" || complement="$(foregroundColor $DEFAULT_COLOR)"
[[ -n "${foregroundColor}" ]] && complement="${foreground}" || complement="$(foregroundColor $DEFAULT_COLOR)"
echo -n "$complement$(print_icon 'RIGHT_SUBSEGMENT_SEPARATOR')%f"
else
# Use the new BG color for the foreground with separator
echo -n "$(foregroundColor $3)$(print_icon 'RIGHT_SEGMENT_SEPARATOR')%f"
# Use the new Background Color as the foreground of the segment separator
echo -n "$(foregroundColor ${backgroundColor})$(print_icon 'RIGHT_SEGMENT_SEPARATOR')%f"
fi
fi
@ -254,13 +272,13 @@ right_prompt_segment() {
# we need to color both the visual identifier and the whitespace.
[[ -n "$5" ]] && visual_identifier=" $visual_identifier"
# Allow users to overwrite the color for the visual identifier only.
local visual_identifier_color_variable=POWERLEVEL9K_${(U)1#prompt_}_VISUAL_IDENTIFIER_COLOR
set_default $visual_identifier_color_variable $4
local visual_identifier_color_variable=POWERLEVEL9K_${(U)${segment_name}#prompt_}_VISUAL_IDENTIFIER_COLOR
set_default $visual_identifier_color_variable "${foregroundColor}"
visual_identifier="%F{${(P)visual_identifier_color_variable}%}$visual_identifier%f"
fi
fi
echo -n "${bg}${fg}"
echo -n "${background}${foreground}"
# Print whitespace only if segment is not joined or first right segment
[[ $joined == false ]] || [[ "$CURRENT_RIGHT_BG" == "NONE" ]] && echo -n "${POWERLEVEL9K_WHITESPACE_BETWEEN_RIGHT_SEGMENTS}"
@ -270,7 +288,7 @@ right_prompt_segment() {
# Print the visual identifier
echo -n "${visual_identifier}"
CURRENT_RIGHT_BG=$3
CURRENT_RIGHT_BG="${backgroundColor}"
last_right_element_index=$current_index
}