betterlockscreen-openrc/betterlockscreen
Jeff M. Hubbard 24b089297e Add simple color themes (#90)
* Add ability to change colors without modifying script

* Better name and location for config
2019-01-06 15:21:49 +05:30

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Executable file

#!/usr/bin/env bash
# Author : Pavan Jadhaw
# Github Profile : https://github.com/pavanjadhaw
# Project Repository : https://github.com/pavanjadhaw/betterlockscreen
# find your resolution so images can be resized to match your screen resolution
res=$(xdpyinfo | grep dimensions | sed -r 's/^[^0-9]*([0-9]+x[0-9]+).*$/\1/')
locktext='Type password to unlock...'
init_filenames() {
#$1 resolution
# custom i3lock colors
theme_rc="$HOME/.config/betterlockscreenrc"
if [ -e $theme_rc ]; then
source "$theme_rc"
else
# copy this block to ~/.config/betterlockscreenrc" to customize
insidecolor=00000000
ringcolor=ffffffff
keyhlcolor=d23c3dff
bshlcolor=d23c3dff
separatorcolor=00000000
insidevercolor=00000000
insidewrongcolor=d23c3dff
ringvercolor=ffffffff
ringwrongcolor=ffffffff
verifcolor=ffffffff
timecolor=ffffffff
datecolor=ffffffff
loginbox=00000066
fi
# create folder in ~/.cache/i3lock directory
res_folder="$HOME/.cache/i3lock/$1"
folder="$HOME/.cache/i3lock/current"
echo "Got" $@ $res_folder
if [ ! -d $folder -o -n "$2" ]; then
rm -f $folder
ln -s $res_folder $folder
fi
# ratio for rectangle to be drawn for time background on lockscreen
# Original Image
orig_wall="$folder/wall.png"
# Versions (from here)
# You can use these images to set different versions as wallpaper
# lockscreen background.
resized="$folder/resized.png" # resized image for your resolution
# images to be used as wallpaper
dim="$folder/dim.png" # image with subtle overlay of black
blur="$folder/blur.png" # blurred version
dimblur="$folder/dimblur.png"
# lockscreen images (images to be used as lockscreen background)
l_resized="$folder/l_resized.png"
l_dim="$folder/l_dim.png"
l_blur="$folder/l_blur.png"
l_dimblur="$folder/l_dimblur.png"
}
init_filenames $res
prelock() {
if [ ! -z "$(pidof dunst)" ]; then
pkill -u "$USER" -USR1 dunst
fi
}
lock() {
#$1 image path
i3lock \
-t -i "$1" \
--timepos='x+110:h-70' \
--datepos='x+43:h-45' \
--clock --date-align 1 --datestr "$locktext" \
--insidecolor=$insidecolor --ringcolor=$ringcolor --line-uses-inside \
--keyhlcolor=$keyhlcolor --bshlcolor=$bshlcolor --separatorcolor=$separatorcolor \
--insidevercolor=$insidevercolor --insidewrongcolor=$insidewrongcolor \
--ringvercolor=$ringvercolor --ringwrongcolor=$ringwrongcolor --indpos='x+280:h-70' \
--radius=20 --ring-width=4 --veriftext='' --wrongtext='' \
--verifcolor="$verifcolor" --timecolor="$timecolor" --datecolor="$datecolor" \
--noinputtext='' --force-clock $lockargs
}
postlock() {
if [ ! -z "$(pidof dunst)" ] ; then
pkill -u "$USER" -USR2 dunst
fi
}
rec_get_random() {
dir="$1"
if [ ! -d "$dir" ]; then
user_input="$dir"
return
fi
dir=($dir/*)
dir=${dir[RANDOM % ${#dir[@]}]}
rec_get_random "$dir"
}
lockselect() {
prelock
case "$1" in
dim)
# lockscreen with dimmed background
lock "$l_dim"
;;
blur)
# set lockscreen with blurred background
lock "$l_blur"
;;
dimblur)
# set lockscreen with dimmed + blurred background
lock "$l_dimblur"
;;
*)
# default lockscreen
lock "$l_resized"
;;
esac
postlock
}
logical_px() {
# get dpi value from xrdb
local DPI=$(xrdb -query | awk '/Xft.dpi/ {print $2}')
# return the default value if no DPI is set
if [ -z "$DPI" ]; then
echo $1
else
local SCALE=$(echo "scale=2; $DPI / 96.0" | bc)
# check if scaling the value is worthy
if [ $(echo "$SCALE > 1.25" | bc -l) -eq 0 ]; then
echo $1
else
echo "$SCALE * $1 / 1" | bc
fi
fi
}
update() {
# use
background="$1"
# default blur level; fallback to 1
[[ $blur_level ]] || blur_level=1
rectangles=" "
SR=$(xrandr --query | grep ' connected' | grep -o '[0-9][0-9]*x[0-9][0-9]*[^ ]*')
for RES in $SR; do
SRA=(${RES//[x+]/ })
CX=$((${SRA[2]} + $(logical_px 25)))
CY=$((${SRA[1]} - $(logical_px 30)))
rectangles+="rectangle $CX,$CY $((CX+$(logical_px 300))),$((CY-$(logical_px 80))) "
done
# User supplied Image
user_image="$folder/user_image.png"
# create folder
if [ ! -d $folder ]; then
echo "Creating '$folder' directory to cache processed images."
mkdir -p "$folder"
fi
# get random file in dir if passed argument is a dir
rec_get_random "$background"
# get user image
cp "$user_input" "$user_image"
if [ ! -f $user_image ]; then
echo 'Please specify the path to the image you would like to use'
exit 1
fi
# replace orignal with user image
cp "$user_image" "$orig_wall"
rm "$user_image"
echo 'Generating alternate images based on the image you specified,'
echo 'please wait this might take few seconds...'
# wallpapers
echo
echo 'Converting provided image to match your resolution...'
# resize image
convert "$orig_wall" -resize "$res""^" -gravity center -extent "$res" "$resized"
echo
echo 'Applying dim and blur effect to resized image'
# dim
convert "$resized" -fill black -colorize 40% "$dim"
# blur
blur_shrink=$(echo "scale=2; 20 / $blur_level" | bc)
blur_sigma=$(echo "scale=2; 0.6 * $blur_level" | bc)
convert "$resized" \
-filter Gaussian \
-resize "$blur_shrink%" \
-define "filter:sigma=$blur_sigma" \
-resize "$res^" -gravity center -extent "$res" \
"$blur"
# dimblur
convert "$dim" \
-filter Gaussian \
-resize "$blur_shrink%" \
-define "filter:sigma=$blur_sigma" \
-resize "$res^" -gravity center -extent "$res" \
"$dimblur"
# lockscreen backgrounds
echo
echo 'Caching images for faster screen locking'
# resized
convert "$resized" -draw "fill #$loginbox $rectangles" "$l_resized"
# dim
convert "$dim" -draw "fill #$loginbox $rectangles" "$l_dim"
# blur
convert "$blur" -draw "fill #$loginbox $rectangles" "$l_blur"
# blur
convert "$dimblur" -draw "fill #$loginbox $rectangles" "$l_dimblur"
echo
echo 'All required changes have been applied'
}
wallpaper() {
case "$1" in
'')
# set resized image as wallpaper if no argument is supplied by user
feh --bg-fill $resized
;;
dim)
# set dimmed image as wallpaper
feh --bg-fill $dim
;;
blur)
# set blurred image as wallpaper
feh --bg-fill $blur
;;
dimblur)
# set dimmed + blurred image as wallpaper
feh --bg-fill $dimblur
;;
esac
}
empty() {
if [ -f $l_dim ]; then
echo -e "\nSeems you haven't provided any arguments. See below for usage details."
else
echo 'Important: Update the image cache (e.g. betterlockscreen -u path/to/image.jpg).'
echo
echo ' Image cache must be updated to initially configure or update the wallpaper used.'
fi
echo
echo 'For other sets of options and help, use the help command.'
echo 'e.g. betterlockscreen -h or betterlockscreen --help'
echo
echo 'See: https://github.com/pavanjadhaw/betterlockscreen for additional info...'
exit 1
}
usage() {
echo 'Important: Update the image cache (e.g. betterlockscreen -u path/to/image.jpg).'
echo ' Image cache must be updated to initially configure or update wallpaper used'
echo
echo
echo 'See: https://github.com/pavanjadhaw/betterlockscreen for additional info...'
echo
echo
echo 'Options:'
echo
echo ' -h --help'
echo ' For help (e.g. betterlockscreen -h or betterlockscreen --help).'
echo
echo
echo ' -u --update'
echo ' to update image cache, you should do this before using any other options'
echo ' E.g: betterlockscreen -u path/to/image.png when image.png is custom background'
echo ' Or you can use betterlockscreen -u path/to/imagedir and a random file will be selected.'
echo
echo
echo ' -l --lock'
echo ' to lock screen (e.g. betterlockscreen -l)'
echo ' you can also use dimmed or blurred background for lockscreen.'
echo ' E.g: betterlockscreen -l dim (for dimmed background)'
echo ' E.g: betterlockscreen -l blur (for blurred background)'
echo ' E.g: betterlockscreen -l dimblur (for dimmed + blurred background)'
echo
echo
echo ' -s --suspend'
echo ' to suspend system and lock screen (e.g. betterlockscreen -s)'
echo ' you can also use dimmed or blurred background for lockscreen.'
echo ' E.g: betterlockscreen -s dim (for dimmed background)'
echo ' E.g: betterlockscreen -s blur (for blurred background)'
echo ' E.g: betterlockscreen -s dimblur (for dimmed + blurred background)'
echo
echo
echo ' -w --wall'
echo ' you can also set lockscreen background as wallpaper'
echo ' to set wallpaper (e.g. betterlockscreen -w or betterlockscreen --wall)'
echo ' you can also use dimmed or blurred variants.'
echo ' E.g: betterlockscreen -w dim (for dimmed wallpaper)'
echo ' E.g: betterlockscreen -w blur (for blurred wallpaper)'
echo ' E.g: betterlockscreen -w dimblur (for dimmed + blurred wallpaper)'
echo
echo
echo ' -r --resolution'
echo ' to be used after -u'
echo ' used to set a custom resolution for the image cache.'
echo ' E.g: betterlockscreen -u path/to/image.png -r 1920x1080'
echo ' E.g: betterlockscreen -u path/to/image.png --resolution 3840x1080'
echo
echo
echo ' -b --blur'
echo ' to be used after -u'
echo ' used to set blur intensity. Default to 1.'
echo ' E.g: betterlockscreen -u path/to/image.png -b 3'
echo ' E.g: betterlockscreen -u path/to/image.png --blur 0.5'
echo
echo
echo ' -t --text'
echo ' to set custom lockscreen text (max 31 chars)'
echo " E.g: betterlockscreen -l dim -t \"Don't touch my machine!\""
echo ' E.g: betterlockscreen --text "Hi, user!" -s blur'
}
# Options
[[ "$1" = '' ]] && empty
for arg in "$@"; do
[[ "${arg:0:1}" = '-' ]] || continue
case "$1" in
-h | --help)
usage
break
;;
-s | --suspend)
runsuspend=true
;&
-l | --lock)
runlock=true
[[ $runsuspend ]] || lockargs="$lockargs -n"
[[ ${2:0:1} = '-' ]] && shift 1 || { lockstyle="$2"; shift 2; }
;;
-w | --wall | --wallpaper)
wallpaper "$2"
shift 2
;;
-u | --update)
runupdate=true
imagepath="$2"
shift 2
;;
-t | --text)
locktext="$2"
shift 2
;;
-r | --resolution)
res="$2"
init_filenames $res force
shift 2
;;
-b | --blur)
blur_level="$2"
shift 2
;;
--)
lockargs="$lockargs ${@:2}"
break
;;
*)
echo "invalid argument: $1"
break
;;
esac
done
# Run image generation
[[ $runupdate ]] && update "$imagepath"
# Activate lockscreen
[[ $runlock ]] && lockselect "$lockstyle" && \
{ [[ $runsuspend ]] && systemctl suspend; }
exit 0