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Merge pull request #202 from dritter/join_conditional_segments

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Allows the use of `_join` on conditional segments.
pull/22/head
Ben Hilburn 9 years ago
parent 472fb6f674 15665a4f95
commit 6072f1e56c
2 changed files with 91 additions and 27 deletions
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57
functions/utilities.zsh
Unescape Escape View File

@ -60,10 +60,10 @@ printSizeHumanReadable() {
# worthy. The callback function has access to
# the inner variable $item.
function getRelevantItem() {
setopt shwordsplit # We need to split the words in $interfaces
local list callback
list=$1
local -a list
local callback
# Explicitly split the elements by whitespace.
list=${=1}
callback=$2
for item in $list; do
@ -134,3 +134,52 @@ print_deprecation_warning() {
fi
done
}
# A helper function to determine if a segment should be
# joined or promoted to a full one.
# Takes three arguments:
# * $1: The array index of the current segment
# * $2: The array index of the last printed segment
# * $3: The array of segments of the left or right prompt
function segmentShouldBeJoined() {
local current_index=$1
local last_segment_index=$2
# Explicitly split the elements by whitespace.
local -a elements
elements=${=3}
local current_segment=${elements[$current_index]}
local joined=false
if [[ ${current_segment[-7,-1]} == '_joined' ]]; then
joined=true
# promote segment to a full one, if the predecessing full segment
# was conditional. So this can only be the case for segments that
# are not our direct predecessor.
if (( $(($current_index - $last_segment_index)) > 1)); then
# Now we have to examine every previous segment, until we reach
# the last printed one (found by its index). This is relevant if
# all previous segments are joined. Then we want to join our
# segment as well.
local examined_index=$((current_index - 1))
while (( $examined_index > $last_segment_index )); do
local previous_segment=${elements[$examined_index]}
# If one of the examined segments is not joined, then we know
# that the current segment should not be joined, as the target
# segment is the wrong one.
if [[ ${previous_segment[-7,-1]} != '_joined' ]]; then
joined=false
break
fi
examined_index=$((examined_index - 1))
done
fi
fi
# Return 1 means error; return 0 means no error. So we have
# to invert $joined
if [[ "$joined" == "true" ]]; then
return 0
else
return 1
fi
}

61
powerlevel9k.zsh-theme
Unescape Escape View File

@ -123,14 +123,20 @@ CURRENT_BG='NONE'
# Takes four arguments:
# * $1: Name of the function that was orginally invoked (mandatory).
# Necessary, to make the dynamic color-overwrite mechanism work.
# * $2: A flag if the segment should be joined with the previous one.
# * $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)
# The latter three can be omitted,
set_default last_left_element_index 1
set_default POWERLEVEL9K_WHITESPACE_BETWEEN_LEFT_SEGMENTS " "
left_prompt_segment() {
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
# Overwrite given background-color by user defined variable for this segment.
local BACKGROUND_USER_VARIABLE=POWERLEVEL9K_${(U)1#prompt_}_BACKGROUND
local BG_COLOR_MODIFIER=${(P)BACKGROUND_USER_VARIABLE}
@ -145,7 +151,6 @@ left_prompt_segment() {
[[ -n "$3" ]] && bg="%K{$3}" || bg="%k"
[[ -n "$4" ]] && fg="%F{$4}" || fg="%f"
local joined=$2
if [[ $CURRENT_BG != 'NONE' ]] && ! isSameColor "$3" "$CURRENT_BG"; then
echo -n "$bg%F{$CURRENT_BG}"
if [[ $joined == false ]]; then
@ -188,6 +193,7 @@ left_prompt_segment() {
echo -n "${POWERLEVEL9K_WHITESPACE_BETWEEN_LEFT_SEGMENTS}"
CURRENT_BG=$3
last_left_element_index=$current_index
}
# End the left prompt, closes the final segment.
@ -207,14 +213,21 @@ CURRENT_RIGHT_BG='NONE'
# Takes four arguments:
# * $1: Name of the function that was orginally invoked (mandatory).
# Necessary, to make the dynamic color-overwrite mechanism work.
# * $2: A flag if the segment should be joined with the previous one.
# * $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).
set_default last_right_element_index 1
set_default POWERLEVEL9K_WHITESPACE_BETWEEN_RIGHT_SEGMENTS " "
right_prompt_segment() {
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
# Overwrite given background-color by user defined variable for this segment.
local BACKGROUND_USER_VARIABLE=POWERLEVEL9K_${(U)1#prompt_}_BACKGROUND
local BG_COLOR_MODIFIER=${(P)BACKGROUND_USER_VARIABLE}
@ -229,7 +242,6 @@ right_prompt_segment() {
[[ -n "$3" ]] && bg="%K{$3}" || bg="%k"
[[ -n "$4" ]] && fg="%F{$4}" || fg="%f"
local joined=$2
# If CURRENT_RIGHT_BG is "NONE", we are the first right segment.
if [[ $joined == false ]] || [[ "$CURRENT_RIGHT_BG" == "NONE" ]]; then
if isSameColor "$CURRENT_RIGHT_BG" "$3"; then
@ -269,6 +281,7 @@ right_prompt_segment() {
echo -n "${visual_identifier}${POWERLEVEL9K_WHITESPACE_BETWEEN_RIGHT_SEGMENTS}%f"
CURRENT_RIGHT_BG=$3
last_right_element_index=$current_index
}
################################################################
@ -283,8 +296,8 @@ CURRENT_BG='NONE'
# AWS Profile
prompt_aws() {
local aws_profile="$AWS_DEFAULT_PROFILE"
if [[ -n "$aws_profile" ]];
then
if [[ -n "$aws_profile" ]]; then
"$1_prompt_segment" "$0" "$2" red white "$aws_profile" 'AWS_ICON'
fi
}
@ -389,7 +402,9 @@ prompt_battery() {
fi
# Draw the prompt_segment
[[ -n $bat_percent ]] && "$1_prompt_segment" "${0}_${current_state}" "$2" "$DEFAULT_COLOR" "${battery_states[$current_state]}" "$message" 'BATTERY_ICON'
if [[ -n $bat_percent ]]; then
"$1_prompt_segment" "${0}_${current_state}" "$2" "$DEFAULT_COLOR" "${battery_states[$current_state]}" "$message" 'BATTERY_ICON'
fi
}
# Context: user@hostname (who am I and where am I)
@ -813,20 +828,20 @@ prompt_virtualenv() {
build_left_prompt() {
defined POWERLEVEL9K_LEFT_PROMPT_ELEMENTS || POWERLEVEL9K_LEFT_PROMPT_ELEMENTS=(context dir rbenv vcs)
local index=1
for element in "${POWERLEVEL9K_LEFT_PROMPT_ELEMENTS[@]}"; do
# Check if the segment should be joined with the previous one
local joined=false
if [[ ${element[-7,-1]} == '_joined' ]]; then
element="${element[0,-8]}"
joined=true
fi
# Remove joined information in direct calls
element=${element%_joined}
# Check if it is a custom command, otherwise interpet it as
# a prompt.
if [[ $element[0,7] =~ "custom_" ]]; then
"prompt_custom" "left" "$joined" $element[8,-1]
"prompt_custom" "left" "$index" $element[8,-1]
else
"prompt_$element" "left" "$joined"
"prompt_$element" "left" "$index"
fi
index=$((index + 1))
done
left_prompt_end
@ -836,20 +851,20 @@ build_left_prompt() {
build_right_prompt() {
defined POWERLEVEL9K_RIGHT_PROMPT_ELEMENTS || POWERLEVEL9K_RIGHT_PROMPT_ELEMENTS=(status root_indicator background_jobs history time)
local index=1
for element in "${POWERLEVEL9K_RIGHT_PROMPT_ELEMENTS[@]}"; do
# Check if the segment should be joined with the previous one
local joined=false
if [[ ${element[-7,-1]} == '_joined' ]]; then
element="${element[0,-8]}"
joined=true
fi
# Remove joined information in direct calls
element=${element%_joined}
# Check if it is a custom command, otherwise interpet it as
# a prompt.
if [[ $element[0,7] =~ "custom_" ]]; then
"prompt_custom" "right" "$joined" $element[8,-1]
"prompt_custom" "right" "$index" $element[8,-1]
else
"prompt_$element" "right" "$joined"
"prompt_$element" "right" "$index"
fi
index=$((index + 1))
done
}

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