Adds a method that print a battery gauge

It is especially useful for themes, this function is a port of the code written by Steve Losh
and made available on [this blog entry](http://stevelosh.com/blog/2010/02/my-extravagant-zsh-prompt/#my-right-prompt-battery-capacity)
This commit is contained in:
Brice Dutheil 2014-01-06 02:09:15 +01:00
parent d485044169
commit cc8b09366b

View file

@ -11,8 +11,9 @@
if [[ $(uname) == "Darwin" ]] ; then if [[ $(uname) == "Darwin" ]] ; then
function battery_pct() { function battery_pct() {
typeset -F maxcapacity=$(ioreg -rc "AppleSmartBattery"| grep '^.*"MaxCapacity"\ =\ ' | sed -e 's/^.*"MaxCapacity"\ =\ //') local smart_battery_status="$(ioreg -rc "AppleSmartBattery")"
typeset -F currentcapacity=$(ioreg -rc "AppleSmartBattery"| grep '^.*"CurrentCapacity"\ =\ ' | sed -e 's/^.*CurrentCapacity"\ =\ //') typeset -F maxcapacity=$(echo $smart_battery_status | grep '^.*"MaxCapacity"\ =\ ' | sed -e 's/^.*"MaxCapacity"\ =\ //')
typeset -F currentcapacity=$(echo $smart_battery_status | grep '^.*"CurrentCapacity"\ =\ ' | sed -e 's/^.*CurrentCapacity"\ =\ //')
integer i=$(((currentcapacity/maxcapacity) * 100)) integer i=$(((currentcapacity/maxcapacity) * 100))
echo $i echo $i
} }
@ -26,8 +27,9 @@ if [[ $(uname) == "Darwin" ]] ; then
} }
function battery_time_remaining() { function battery_time_remaining() {
if [[ $(ioreg -rc AppleSmartBattery | grep -c '^.*"ExternalConnected"\ =\ No') -eq 1 ]] ; then local smart_battery_status="$(ioreg -rc "AppleSmartBattery")"
timeremaining=$(ioreg -rc "AppleSmartBattery"| grep '^.*"AvgTimeToEmpty"\ =\ ' | sed -e 's/^.*"AvgTimeToEmpty"\ =\ //') if [[ $(echo $smart_battery_status | grep -c '^.*"ExternalConnected"\ =\ No') -eq 1 ]] ; then
timeremaining=$(echo $smart_battery_status | grep '^.*"AvgTimeToEmpty"\ =\ ' | sed -e 's/^.*"AvgTimeToEmpty"\ =\ //')
echo "~$((timeremaining / 60)):$((timeremaining % 60))" echo "~$((timeremaining / 60)):$((timeremaining % 60))"
else else
echo "∞" echo "∞"
@ -49,6 +51,10 @@ if [[ $(uname) == "Darwin" ]] ; then
echo "∞" echo "∞"
fi fi
} }
function battery_is_charging() {
[[ $(ioreg -rc "AppleSmartBattery"| grep '^.*"IsCharging"\ =\ ' | sed -e 's/^.*"IsCharging"\ =\ //') == "Yes" ]]
}
elif [[ $(uname) == "Linux" ]] ; then elif [[ $(uname) == "Linux" ]] ; then
@ -79,14 +85,66 @@ elif [[ $(uname) == "Linux" ]] ; then
echo "∞" echo "∞"
fi fi
} }
function battery_pct() {
# todo for on linux
}
function battery_is_charging() {
# todo on linux
false
}
else else
# Empty functions so we don't cause errors in prompts # Empty functions so we don't cause errors in prompts
function battery_pct_remaining() { function battery_pct_remaining() {
} }
function battery_time_remaining() { function battery_time_remaining() {
} }
function battery_pct_prompt() { function battery_pct_prompt() {
} }
fi fi
function battery_level_gauge() {
local gauge_slots=${BATTERY_GAUGE_SLOTS:-10};
local green_threshold=${BATTERY_GREEN_THRESHOLD:-6};
local yellow_threshold=${BATTERY_YELLOW_THRESHOLD:-4};
local color_green=${BATTERY_COLOR_GREEN:-%F{green}};
local color_yellow=${BATTERY_COLOR_YELLOW:-%F{yellow}};
local color_red=${BATTERY_COLOR_RED:-%F{red}};
local color_reset=${BATTERY_COLOR_RESET:-%{%f%k%b%}};
local battery_prefix=${BATTERY_GAUGE_PREFIX:-'['};
local battery_suffix=${BATTERY_GAUGE_SUFFIX:-']'};
local filled_symbol=${BATTERY_GAUGE_FILLED_SYMBOL:-'▶'};
local empty_symbol=${BATTERY_GAUGE_EMPTY_SYMBOL:-'▷'};
local charging_color=${BATTERY_CHARGING_COLOR:-$color_yellow};
local charging_symbol=${BATTERY_CHARGING_SYMBOL:-'⚡'};
local battery_remaining_percentage=$(battery_pct);
if [[ $battery_remaining_percentage =~ [0-9]+ ]]; then
local filled=$(((( $battery_remaining_percentage + $gauge_slots - 1) / $gauge_slots)));
local empty=$(($gauge_slots - $filled));
if [[ $filled -gt $green_threshold ]]; then local gauge_color=$color_green;
elif [[ $filled -gt $yellow_threshold ]]; then local gauge_color=$color_yellow;
else local gauge_color=$color_red;
fi
else
local filled=$gauge_slots;
local empty=0;
filled_symbol=${BATTERY_UNKNOWN_SYMBOL:-'.'};
fi
local charging=' ' && battery_is_charging && charging=$charging_symbol;
printf ${charging_color//\%/\%\%}$charging${color_reset//\%/\%\%}${battery_prefix//\%/\%\%}${gauge_color//\%/\%\%}
printf ${filled_symbol//\%/\%\%}'%.0s' {1..$filled}
[[ $filled -lt $gauge_slots ]] && printf ${empty_symbol//\%/\%\%}'%.0s' {1..$empty}
printf ${color_reset//\%/\%\%}${battery_suffix//\%/\%\%}${color_reset//\%/\%\%}
}