From f80324659f85d3fbc004d36b69cd3dd6fb783e58 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Bj=C3=B6rn=20Busse?= <bj.rn@baerlin.eu>
Date: Fri, 19 Feb 2021 20:08:04 +0100
Subject: [PATCH] tooltip: Use fold for line wraps in text

---
 xkcdlock | 18 +++---------------
 1 file changed, 3 insertions(+), 15 deletions(-)

diff --git a/xkcdlock b/xkcdlock
index e35e221..e9a01b1 100755
--- a/xkcdlock
+++ b/xkcdlock
@@ -46,7 +46,7 @@ IMG_DEFAULT="not_really_into_pokemon.png"
 # background colour
 BG_COLOUR="white"
 # Break tooltip every x char to prevent border overflow
-TOOLTIP_MAX_LINE_LEN=120
+TOOLTIP_MAX_LINE_LEN=100
 
 FONT="xkcd Script"
 FONT_FILE="xkcd-script.ttf"
@@ -201,20 +201,8 @@ xkcd_get_img_tooltip() {
 }
 
 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
+    local text=$(echo $text | fold -s -w  $TOOLTIP_MAX_LINE_LEN)
+    echo "$text"
 }
 
 get_nscreens() {