From 637c353138226e7e23a022d4408d0ce8e08c737f Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Moritz=20Mei=C3=9Felbach?= <arbelzapf@gmail.com>
Date: Mon, 14 Oct 2019 08:40:34 +0000
Subject:

---
 gistfile1.txt | 97 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 97 insertions(+)
 create mode 100644 gistfile1.txt

diff --git a/gistfile1.txt b/gistfile1.txt
new file mode 100644
index 0000000..8ceec7d
--- /dev/null
+++ b/gistfile1.txt
@@ -0,0 +1,97 @@
+#!/bin/sh
+# terminal application launcher for sway, using fzf
+# Based on: https://gitlab.com/FlyingWombat/my-scripts/blob/master/sway-launcher
+
+HIST_FILE="${XDG_CACHE_HOME:-$HOME/.cache}/sway-launcher-history.txt"
+
+DIRS=(
+/usr/share/applications
+~/.local/share/applications
+/usr/local/share/applications
+)
+
+GLYPH_COMMAND="  "
+GLYPH_DESKTOP="  "
+
+touch $HIST_FILE
+# Filter DIRS array for directories that actually exist. Append *.desktop to remaining elements
+for i in "${!DIRS[@]}" ; do [[ ! -d "${DIRS[i]}" ]] && unset -v 'DIRS[$i]' || DIRS[$i]="${DIRS[i]}/*.desktop" ; done
+DIRS=("${DIRS[@]}")
+
+HIST_FILE_CONTENT=$(cat "$HIST_FILE")
+HIST_ENTRIES=$(echo "$HIST_FILE_CONTENT" | sed -n -e 's/^[0-9]* //p')
+
+function createPreview(){
+	DESCRIPTION='No description'
+	if [[ $2 == 'command' ]]; then
+		TITLE=$1
+		DESCRIPTION=$(whatis -l $1 2>/dev/null | head -n1 | sed -n -e 's/^.*\(.*\).*\-//p')
+	else
+		TITLE=$(cat $1 | grep ^Name= | head -n1 | awk -F= '{print $2}')
+		DESCRIPTION=$(cat $1 | grep Comment= | awk -F= '{print $2}')
+    fi
+    echo -e "\033[33m $TITLE \033[0m"
+    echo "$DESCRIPTION"
+}
+export -f createPreview
+
+FZFPIPE=$(mktemp)
+
+# Append Launcher History, removing usage count
+(echo "$HIST_FILE_CONTENT" | sed -n -e 's/^[0-9]* //p' >> $FZFPIPE )&
+
+# Load and append Desktop entries
+(grep -roP "Type=Application" ${DIRS[@]} |
+ awk -F : '{print $1}' | 
+ sort -u | 
+ xargs -d "\n" grep -oP "(?<=Name=).*" | 
+ awk -F : -v pre="$GLYPH_DESKTOP"  '{print $1 "|desktop|\033[33m" pre "\033[0m" $2}' >> $FZFPIPE )&
+
+# Load and append command list
+({ IFS=:; ls -H $PATH; } | grep -v '/.*' | sort -u | awk -v pre="$GLYPH_COMMAND" '{print $1 "|command|\033[31m" pre "\033[0m" $1 }' >> $FZFPIPE )&
+
+command_str=$((tail -f $FZFPIPE & echo $! > pid) |
+  fzf +x +s -d '\|' --nth ..3 --with-nth 3.. --preview 'createPreview {1} {2}' --preview-window=up:3:wrap --ansi ; kill -9 $(<pid) |
+  tail -n1) || exit 1
+
+
+[ -z "$command_str" ] && exit 1
+
+
+# get full line from history (with count number)
+HIST_LINE=$(echo "$HIST_FILE_CONTENT" | grep -Pe "^[0-9]+ \Q$command_str\E$")
+# echo "Hist Line: $HIST_LINE"
+
+
+
+if [ "$HIST_LINE" == "" ]; then
+    HIST_COUNT=1
+else
+    # Increment usage count
+    HIST_COUNT=$(echo "$HIST_LINE" | sed -E 's/^([0-9]+) .+$/\1/')
+    ((HIST_COUNT++))
+    # delete line, to add updated later
+    HIST_FILE_CONTENT=$(echo "$HIST_FILE_CONTENT" | \
+	grep --invert-match -Pe "^[0-9]+ \Q$command_str\E$")
+fi
+
+# update history
+update_line="${HIST_COUNT} ${command_str}"
+echo -e "${update_line}\n${HIST_FILE_CONTENT}" | \
+    sort --numeric-sort --reverse > "$HIST_FILE"
+
+command='echo "nope"'
+
+case $(echo $command_str | awk -F'|' '{print $2}') in
+desktop)
+  file=$(echo $command_str | awk -F '|' '{print $1}')
+  command=$(cat $file | grep Exec | awk -F'=' '{print $2}')
+  ;;
+
+command)
+  command=$(echo $command_str | awk -F '|' '{print $1}')
+  ;;
+
+esac
+
+swaymsg -t command exec "$command"
-- 
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