From 4bb8e6ba9e52ec5b1168c5a92faf632e1ffbf3c7 Mon Sep 17 00:00:00 2001
From: dabruh <11458706-dabruh@users.noreply.gitlab.com>
Date: Sun, 5 Jun 2022 00:05:57 +0200
Subject: [PATCH] Show previously selected languages in dmenu.

---
 .local/bin/dmenugtranslate | 19 ++++++++++++++++---
 1 file changed, 16 insertions(+), 3 deletions(-)

diff --git a/.local/bin/dmenugtranslate b/.local/bin/dmenugtranslate
index 9e1c764..eb31b20 100755
--- a/.local/bin/dmenugtranslate
+++ b/.local/bin/dmenugtranslate
@@ -1,4 +1,4 @@
-#!/bin/sh
+#!/bin/bash
 
 # Translate the current clipboard with the help of dmenu
 #
@@ -8,16 +8,29 @@
 
 text=$(xclip -o -selection clipboard)
 map=~/.local/share/dabruh/gtranslate-lang-map
+FILE="/tmp/dmenugtranslate"
+
+from="$(cut -d, -f1 2>/dev/null <"$FILE")"
+to="$(cut -d, -f2 2>/dev/null <"$FILE")"
+
+[ -n "$from" ] && LAST_FROM="$from"
+[ -n "$to" ] && LAST_TO="$to"
+
+# Inject the last used value on top. Remove the auto option for "Translate to".
+FROM_MAP="$(echo "$LAST_FROM" | cat - "$map" | grep -v "^$" | cut -d= -f1 | uniq)"
+TO_MAP="$(echo "$LAST_TO" | cat - "$map" | grep -Ev "^(Automatic=|$)" | cut -d= -f1 | uniq)"
 
 # Get user selection via dmenu from language map file.
-from=$(cut -d '=' -f1 "$map" | dmenu -i -l 30 -p "Translate from")
+from=$(dmenu -i -l 30 -p "Translate from" <<<"$FROM_MAP")
 [ -z "$from" ] && exit 1
 from_code="$(grep "^$from=" "$map" | cut -d '=' -f2)"
 
-to=$(cut -d '=' -f1 "$map" | grep -v Automatic | dmenu -i -l 30 -p "Translate to")
+to=$(dmenu -i -l 30 -p "Translate to" <<<"$TO_MAP")
 [ -z "$to" ] && exit 1
 to_code="$(grep "^$to=" "$map" | cut -d '=' -f2)"
 
+echo "$from=$from_code,$to=$to_code" >"$FILE"
+
 translation="$(curl --silent --get \
     --data-urlencode "from=$from_code" \
     --data-urlencode "to=$to_code" \