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tooltip: break text to not overflow img border

This commit is contained in:
Björn Busse 2017-01-23 03:32:56 +01:00
parent 066edd99d7
commit 5cd389fe70
1 changed files with 25 additions and 3 deletions
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28
xkcdlock
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@ -23,7 +23,9 @@
# #
# TODO: # TODO:
# - Make sure we do not exceed screen boundaries in x and y # - Make sure we do not exceed screen boundaries in x and y
# - Prevent text overflow wrt tooltip # - Convert non-png to png
# - Improve tooltip text border overflow prevention
# wrt display resolution (and font size?)
# - Add support for other screen lockers # - Add support for other screen lockers
# - Parallelize downloads # - Parallelize downloads
@ -44,8 +46,10 @@ IMG_PATH="${HOME}/Pictures/xkcd_comics"
IMG_DEFAULT="not_really_into_pokemon.png" IMG_DEFAULT="not_really_into_pokemon.png"
# background colour # background colour
BG_COLOUR="white" BG_COLOUR="white"
# Break tooltip every x char to prevent border overflow
TOOLTIP_MAX_LINE_LEN=120
declare -a DEPS=("xrandr" "awk" "curl" "convert" "recode") declare -a DEPS=("xrandr" "awk" "curl" "convert" "recode" "sed" "shuf")
declare -a DEPS_LOCKER=("i3lock" "swaylock") declare -a DEPS_LOCKER=("i3lock" "swaylock")
DOWNLOAD_DISCLAIMER="\nThe downloaded images will end up in your current working directory.\n\ DOWNLOAD_DISCLAIMER="\nThe downloaded images will end up in your current working directory.\n\
@ -181,6 +185,23 @@ xkcd_get_img_tooltip() {
echo $(curl -sL $url | grep -A 1 '<div id=\"comic\">' | awk -F "\"" '/src=/ {print $4}' | recode html..UTF8) echo $(curl -sL $url | grep -A 1 '<div id=\"comic\">' | awk -F "\"" '/src=/ {print $4}' | recode html..UTF8)
} }
xkcd_format_tooltip() {
local ntext=${#text}
local nbreaks=$((ntext / TOOLTIP_MAX_LINE_LEN))
local nbreak=$((ntext - TOOLTIP_MAX_LINE_LEN))
local m=$((nbreaks * TOOLTIP_MAX_LINE_LEN))
local nrest=$((ntext - m - 1))
if (( "$nbreak" > 0 )); then
local text_tok_start=${text:0:$nrest}
local text_tok_end=${text:ntok_end}
text_tok_end=`echo "$text_tok_end" | sed "s/.\{$TOOLTIP_MAX_LINE_LEN\}/&\\n/g"`
echo "${text_tok_start}\\n${text_tok_end}"
else
echo "$text"
fi
}
get_nscreens() { get_nscreens() {
local nscreens=$(xrandr -q | awk '/ connected/ {count++} END {print count}') local nscreens=$(xrandr -q | awk '/ connected/ {count++} END {print count}')
echo "$nscreens" echo "$nscreens"
@ -256,7 +277,8 @@ prepare_image() {
local res=$(screen_get_highest_resolution) local res=$(screen_get_highest_resolution)
local img_name=$(xkcd_get_img_name_from_file $img_fn) local img_name=$(xkcd_get_img_name_from_file $img_fn)
local img_nr=$(xkcd_get_img_nr $img_name) local img_nr=$(xkcd_get_img_nr $img_name)
local img_tooltip=$(xkcd_get_img_tooltip $img_nr) local text=$(xkcd_get_img_tooltip $img_nr)
img_tooltip=$(xkcd_format_tooltip $text)
local tmp_file_r=$(resize_image $img_fn $res) local tmp_file_r=$(resize_image $img_fn $res)
local tmp_file_c=$(center_image $tmp_file_r $res) local tmp_file_c=$(center_image $tmp_file_r $res)