bin structure and vifm preview

.local/bin/tools/dwm/dmenumount

@@ -0,0 +1,59 @@
+#!/bin/sh
+# Gives a dmenu prompt to mount unmounted drives.
+# If they're in /etc/fstab, they'll be mounted automatically.
+# Otherwise, you'll be prompted to give a mountpoint from already existsing directories.
+# If you input a novel directory, it will prompt you to create that directory.
+
+getmount() { \
+	[ -z "$chosen" ] && exit 1
+	mp="$(find $1 2>/dev/null | dmenu -i -p "Type in mount point.")"
+	[ "$mp" = "" ] && exit 1
+	if [ ! -d "$mp" ]; then
+		mkdiryn=$(printf "No\\nYes" | dmenu -i -p "$mp does not exist. Create it?")
+		[ "$mkdiryn" = "Yes" ] && (mkdir -p "$mp" || sudo -A mkdir -p "$mp")
+	fi
+	}
+
+mountusb() { \
+	chosen="$(echo "$usbdrives" | dmenu -i -p "Mount which drive?" | awk '{print $1}')"
+	sudo -A mount "$chosen" 2>/dev/null && notify-send "💻 USB mounting" "$chosen mounted." && exit 0
+	alreadymounted=$(lsblk -nrpo "name,type,mountpoint" | awk '$2=="part"&&$3!~/\/boot|\/home$|SWAP/&&length($3)>1{printf "-not \\( -path *%s -prune \\) \\ \n",$3}')
+	getmount "/mnt /media /mount /home -maxdepth 5 -type d $alreadymounted"
+	partitiontype="$(lsblk -no "fstype" "$chosen")"
+	case "$partitiontype" in
+		"vfat") sudo -A mount -t vfat "$chosen" "$mp" -o rw,umask=0000;;
+		*) sudo -A mount "$chosen" "$mp"; user="$(whoami)"; ug="$(groups | awk '{print $1}')"; sudo -A chown "$user":"$ug" "$mp";;
+	esac
+	notify-send "💻 USB mounting" "$chosen mounted to $mp."
+	}
+
+mountandroid() { \
+	chosen=$(echo "$anddrives" | dmenu -i -p "Which Android device?" | cut -d : -f 1)
+	getmount "$HOME -maxdepth 3 -type d"
+	simple-mtpfs --device "$chosen" "$mp"
+	notify-send "🤖 Android Mounting" "Android device mounted to $mp."
+	}
+
+asktype() { \
+	case $(printf "USB\\nAndroid" | dmenu -i -p "Mount a USB drive or Android device?") in
+		USB) mountusb ;;
+		Android) mountandroid ;;
+	esac
+	}
+
+anddrives=$(simple-mtpfs -l 2>/dev/null)
+usbdrives="$(lsblk -rpo "name,type,size,mountpoint" | awk '$2=="part"&&$4==""{printf "%s (%s)\n",$1,$3}')"
+
+if [ -z "$usbdrives" ]; then
+	[ -z "$anddrives" ] && echo "No USB drive or Android device detected" && exit
+	echo "Android device(s) detected."
+	mountandroid
+else
+	if [ -z "$anddrives" ]; then
+		echo "USB drive(s) detected."
+	       	mountusb
+	else
+		echo "Mountable USB drive(s) and Android device(s) detected."
+		asktype
+	fi
+fi

.local/bin/tools/dwm/dmenuumount

@@ -0,0 +1,41 @@
+#!/bin/sh
+# A dmenu prompt to unmount drives.
+# Provides you with mounted partitions, select one to unmount.
+# Drives mounted at /, /boot and /home will not be options to unmount.
+
+unmountusb() {
+	[ -z "$drives" ] && exit
+	chosen=$(echo "$drives" | dmenu -i -p "Unmount which drive?" | awk '{print $1}')
+	[ -z "$chosen" ] && exit
+	sudo -A umount "$chosen" && notify-send "💻 USB unmounting" "$chosen unmounted."
+	}
+
+unmountandroid() { \
+	chosen=$(awk '/simple-mtpfs/ {print $2}' /etc/mtab | dmenu -i -p "Unmount which device?")
+	[ -z "$chosen" ] && exit
+	sudo -A umount -l "$chosen" && notify-send "🤖 Android unmounting" "$chosen unmounted."
+	}
+
+asktype() { \
+	case "$(printf "USB\\nAndroid" | dmenu -i -p "Unmount a USB drive or Android device?")" in
+		USB) unmountusb ;;
+		Android) unmountandroid ;;
+	esac
+	}
+
+drives=$(lsblk -nrpo "name,type,size,mountpoint" | awk '$2=="part"&&$4!~/\/boot|\/home$|SWAP/&&length($4)>1{printf "%s (%s)\n",$4,$3}')
+
+if ! grep simple-mtpfs /etc/mtab; then
+	[ -z "$drives" ] && echo "No drives to unmount." &&  exit
+	echo "Unmountable USB drive detected."
+	unmountusb
+else
+	if [ -z "$drives" ]
+	then
+		echo "Unmountable Android device detected."
+	       	unmountandroid
+	else
+		echo "Unmountable USB drive(s) and Android device(s) detected."
+		asktype
+	fi
+fi

.local/bin/tools/dwm/startpagesearch

@@ -0,0 +1,20 @@
+#!/bin/sh
+# Gives a dmenu prompt to search Startpage.
+# Without input, will open Startpage.com.
+# URLs will be directly handed to the browser.
+# Anything else, it search it.
+browser=${RTVBROWSER:-firefox}
+
+pgrep -x dmenu && exit
+
+choice=$(echo "Startpage" | dmenu -i -p "Search Startpage:") || exit 1
+
+if [ "$choice" = "Startpage"  ]; then
+    $RTV_BROWSER "https://startpage.com"
+else
+    if echo "$choice" | grep "^(http:\/\/|https:\/\/)?[a-zA-Z0-9]+\.[a-zA-Z]+(/)?.*$"; then
+        $RTV_BROWSER "$choice"
+    else
+        $RTV_BROWSER "https://startpage.com/do/search/?q=$choice"
+    fi
+fi

.local/bin/tools/nvim/opout

@@ -0,0 +1,13 @@
+#!/bin/sh
+
+# opout: "open output": A general handler for opening a file's intended output,
+# usually the pdf of a compiled document.  I find this useful especially
+# running from vim.
+
+basename="$(echo "$1" | sed 's/\.[^\/.]*$//')"
+
+case "$1" in
+	*.tex|*.m[dse]|*.[rR]md|*.mom|*.[0-9]) setsid xdg-open "$basename".pdf >/dev/null 2>&1 & ;;
+	*.html) setsid "$BROWSER" "$basename".html >/dev/null 2>&1 & ;;
+	*.sent) setsid sent "$1" >/dev/null 2>&1 & ;;
+esac

.local/bin/tools/statusbar/battery

@@ -0,0 +1,12 @@
+#!/usr/bin/env sh
+# Give a battery name (e.g. BAT0) as an argument.
+
+capacity=$(cat /sys/class/power_supply/"$1"/capacity) || exit
+time=$(acpi | awk '{ print $5 }')
+status=$(cat /sys/class/power_supply/"$1"/status)
+
+[ -z $warn ] && warn=" "
+
+[ "$status" = "Charging" ] && color="#ffffff"
+
+printf "%s%s\n" "$(echo "$status" | sed -e "s/,//;s/Discharging/🔋/;s/Not Charging/🛑/;s/Charging/🔌/;s/Unknown/♻️/;s/Full/⚡/;s/ 0*/ /g;s/ :/ /g")" "$warn" "$(echo "$capacity"  | sed -e 's/$/%/' ) "

.local/bin/tools/statusbar/clock

@@ -0,0 +1,3 @@
+#!/bin/sh
+
+date +"%d %b %H:%M"

.local/bin/tools/statusbar/cpu

@@ -0,0 +1,3 @@
+#!/bin/sh
+
+sensors | awk '/Core 0/ {print $3}'

.local/bin/tools/statusbar/disk

@@ -0,0 +1,12 @@
+#!/usr/bin/env sh
+
+# Status bar module for disk space
+# $1 should be drive mountpoint
+# $2 is optional icon, otherwise mountpoint will displayed
+
+[ -z "$1" ] && exit
+
+icon="$2"
+[ -z "$2" ] && icon="$1"
+
+printf "%s: %s\n" "$icon" "$(df -h "$1" | awk ' /[0-9]/ {print $3 "/" $2}')"

.local/bin/tools/statusbar/dwmbar

@@ -0,0 +1,10 @@
+#!/bin/sh
+status() { \
+	echo "$(memory)|$(cpu)|$(disk /)|$(volume)|$(battery BAT0)|$(internet)|$(clock)"
+}
+while :; do
+	xsetroot -name "$(status | tr '\n' ' ')"
+
+	sleep 1m
+done
+

.local/bin/tools/statusbar/internet

@@ -0,0 +1,7 @@
+#!/usr/bin/env sh
+
+[ "$(cat /sys/class/net/w*/operstate)" = 'down' ] && wifiicon="📡"
+
+[ ! -n "${wifiicon+var}" ] && wifiicon=$(grep "^\s*w" /proc/net/wireless | awk '{ print "📶", int($3 * 100 / 70) "%" }')
+
+printf "%s %s\n" "$wifiicon" "$(cat /sys/class/net/e*/operstate | sed "s/down/❎/;s/up/🌐/")"

.local/bin/tools/statusbar/memory

@@ -0,0 +1,3 @@
+#!/bin/sh
+
+free -h | awk '/^Mem:/ {print $3 "/" $2}'

.local/bin/tools/statusbar/refbar

@@ -0,0 +1,5 @@
+#!/bin/sh
+
+# Refresh the dwmbar.
+
+kill "$(pstree -lp | grep -- -dwmbar\([0-9] | sed "s/.*sleep(\([0-9]\+\)).*/\1/")"

.local/bin/tools/statusbar/volume

@@ -0,0 +1,15 @@
+#!/bin/sh
+
+[ "$(pulsemixer --get-mute)" = "1" ] && printf "🔇\\n" && exit
+
+vol=$(pulsemixer --get-volume | awk '{print $1}')
+
+if [ "$vol" -gt "70" ]; then
+	icon="🔊"
+elif [ "$vol" -lt "30" ]; then
+	icon="🔈"
+else
+	icon="🔉"
+fi
+
+printf "%s %s\\n" "$vol" "$icon"

.local/bin/tools/textemp

@@ -1,27 +0,0 @@
-#!/usr/bin/env sh
-# copying tex templates
-
-[ -z "$2" ] && echo "missing argument: filename (no ending)" && return 1
-
-articletemp=~/gitrepos/tools/latex_templates/latex_article/article.tex
-beamertemp=~/gitrepos/tools/latex_templates/latex_beamer/beamer.tex
-exercisetemp=~/gitrepos/tools/latex_templates/latex_exercise_header/header.tex
-handouttemp=~/gitrepos/tools/latex_templates/latex_handout/handout.tex
-
-case "$1" in
-	a*) cp "$articletemp" $2.tex ;;
-	b*) cp "$beamertemp" $2.tex ;;
-	e*) cp "$exercisetemp" $2.tex ;;
-	h*) cp "$handouttemp" $2.tex ;;
-	*) cat << EOF
-
-Allowed options
-	article NAME 		get handout-template with given NAME
-	beamer NAME 		get handout-template with given NAME
-	exercise NAME 		get handout-template with given NAME
-	handout NAME 		get handout-template with given NAME
-
-All of these commands can be truncated,
-i.e. \`textemp a\` for \`textemp article`\.
-EOF
-esac

.local/bin/tools/vifm/vifmimg

@@ -0,0 +1,165 @@
+#!/usr/bin/env bash
+readonly ID_PREVIEW="preview"
+
+#PLAY_GIF="yes"
+# By enabling this option the GIF will be animated, by leaving it commented like it
+# is now will make the gif previews behave the same way as video previews.
+
+#AUTO_REMOVE="yes"
+# By enabling this option the script will remove the preview file after it is drawn
+# and by doing so the preview will always be up-to-date with the file.
+# This however, requires more CPU and therefore affects the overall performance.
+
+# The messy code below is for moving pages in pdf files in the vifm file preview by
+# utilizing the < and > keys which will be bound to `vifmimg inc` or `vifmimg dec`.
+PDF_PAGE_CONFIG="$HOME/.config/vifm/vifmimgpdfpage"
+PDF_FILE_CONFIG="$HOME/.config/vifm/vifmimgpdffile"
+PDF_PAGE=1
+PDF_FILE=""
+# Initialize the variables and required files
+[[ -f "$PDF_PAGE_CONFIG" ]] && PDF_PAGE=$(cat $PDF_PAGE_CONFIG) || touch $PDF_PAGE_CONFIG
+[[ -f "$PDF_FILE_CONFIG" ]] && PDF_FILE=$(cat $PDF_FILE_CONFIG) || touch $PDF_FILE_CONFIG
+
+
+# Create temporary working directory if the directory structure doesn't exist
+if [[ ! -d "/tmp$PWD/" ]]; then
+    mkdir -p "/tmp$PWD/"
+fi
+
+function inc() {
+	VAL="$(cat $PDF_PAGE_CONFIG)"
+	echo "$(expr $VAL + 1)" > $PDF_PAGE_CONFIG
+}
+
+function dec() {
+	VAL="$(cat $PDF_PAGE_CONFIG)"
+	echo "$(expr $VAL - 1)" > $PDF_PAGE_CONFIG
+	if [[ $VAL -le 0 ]]; then
+		echo 0 > $PDF_PAGE_CONFIG
+	fi
+}
+
+function previewclear() {
+    declare -p -A cmd=([action]=remove [identifier]="$ID_PREVIEW") \
+        > "$FIFO_UEBERZUG"
+}
+
+function fileclean() {
+    if [[ -f "/tmp$PWD/$6.png" ]]; then
+        rm -f "/tmp$PWD/$6.png"
+    elif  [[ -d "/tmp$PWD/$6/" ]]; then
+        rm -rf "/tmp$PWD/$6/"
+    fi
+}
+
+function preview() {
+    declare -p -A cmd=([action]=add [identifier]="$ID_PREVIEW"
+        [x]="$2" [y]="$3" [width]="$4" [height]="$5" \
+        [path]="$PWD/$6") \
+        > "$FIFO_UEBERZUG"
+}
+
+function previewvideo() {
+    if [[ ! -f "/tmp$PWD/$6.png" ]]; then
+        ffmpegthumbnailer -i "$PWD/$6" -o "/tmp$PWD/$6.png" -s 0 -q 10
+    fi
+    declare -p -A cmd=([action]=add [identifier]="$ID_PREVIEW"
+        [x]="$2" [y]="$3" [width]="$4" [height]="$5" \
+        [path]="/tmp$PWD/$6.png") \
+        > "$FIFO_UEBERZUG"
+}
+
+function previewepub() {
+    if [[ ! -f "/tmp$PWD/$6.png" ]]; then
+        epub-thumbnailer "$6" "/tmp$PWD/$6.png" 1024
+    fi
+    declare -p -A cmd=([action]=add [identifier]="$ID_PREVIEW"
+        [x]="$2" [y]="$3" [width]="$4" [height]="$5" \
+        [path]="/tmp$PWD/$6.png") \
+        > "$FIFO_UEBERZUG"
+}
+
+function  previewaudio() {
+  if [[ ! -f "/tmp${PWD}/$6.png" ]]; then
+    ffmpeg -i "$6" "/tmp${PWD}/$6.png" -y &> /dev/null
+  fi
+  declare -p -A cmd=([action]=add [identifier]="$ID_PREVIEW"
+                     [x]="$2" [y]="$3" [width]="$4" [height]="$5" \
+                     [path]="/tmp${PWD}/$6.png") \
+    > "$FIFO_UEBERZUG"
+}
+
+function previewgif() {
+    if [[ ! -d "/tmp$PWD/$6/" ]]; then
+        mkdir -p "/tmp$PWD/$6/"
+        convert -coalesce "$PWD/$6" "/tmp$PWD/$6/$6.png"
+    fi
+    if [[ ! -z "$PLAY_GIF" ]]; then
+        for frame in $(ls -1 /tmp$PWD/$6/$6*.png | sort -V); do
+            declare -p -A cmd=([action]=add [identifier]="$ID_PREVIEW"
+                [x]="$2" [y]="$3" [width]="$4" [height]="$5" \
+                [path]="$frame") \
+                > "$FIFO_UEBERZUG"
+            # Sleep between frames to make the animation smooth.
+            sleep .07
+        done
+    else
+            declare -p -A cmd=([action]=add [identifier]="$ID_PREVIEW"
+                [x]="$2" [y]="$3" [width]="$4" [height]="$5" \
+                [path]="/tmp$PWD/$6/$6-0.png") \
+                > "$FIFO_UEBERZUG"
+    fi
+}
+
+function previewpdf() {
+    if [[ ! "$6" == "$PDF_FILE" ]]; then
+        PDF_PAGE=1
+        echo 1 > $PDF_PAGE_CONFIG
+        rm -f "/tmp$PWD/$6.png"
+    fi
+
+    if [[ ! "$PDF_PAGE" == "1" ]] && [[ -f "/tmp$PWD/$6.png" ]]; then
+        rm -f "/tmp$PWD/$6.png"
+    fi
+
+    if [[ ! -f "/tmp$PWD/$6.png" ]]; then
+        pdftoppm -png -f $PDF_PAGE -singlefile "$6" "/tmp$PWD/$6"
+    fi
+    echo "$6" > $PDF_FILE_CONFIG
+
+    declare -p -A cmd=([action]=add [identifier]="$ID_PREVIEW"
+        [x]="$2" [y]="$3" [width]="$4" [height]="$5" \
+        [path]="/tmp$PWD/$6.png") \
+        > "$FIFO_UEBERZUG"
+}
+
+
+function previewmagick() {
+    if [[ ! -f "/tmp$PWD/$6.png" ]]; then
+        convert -thumbnail $(identify -format "%wx%h" "$6") "$PWD/$6" "/tmp$PWD/$6.png"
+    fi
+    declare -p -A cmd=([action]=add [identifier]="$ID_PREVIEW"
+        [x]="$2" [y]="$3" [width]="$4" [height]="$5" \
+        [path]="/tmp$PWD/$6.png") \
+        > "$FIFO_UEBERZUG"
+}
+
+
+
+function main() {
+    case "$1" in
+        "inc") inc "$@" ;;
+        "dec") dec "$@" ;;
+        "clear") previewclear "$@" ;;
+        "clean") fileclean "$@" ;;
+        "draw") preview "$@" ;;
+        "videopreview") previewvideo "$@" ;;
+        "epubpreview") previewepub "$@" ;;
+        "gifpreview") previewgif "$@" ;;
+        "pdfpreview") previewpdf "$@" ;;
+        "magickpreview") previewmagick "$@" ;;
+	  "audiopreview") previewaudio "$@" ;;
+        "*") echo "Unknown command: '$@'" ;;
+    esac
+}
+main "$@"

.local/bin/tools/vifm/vifmrun

@@ -0,0 +1,20 @@
+#!/usr/bin/env bash
+export FIFO_UEBERZUG="/tmp/vifm-ueberzug-${PPID}"
+
+if [ ! -f "/usr/bin/ueberzug" ]; then
+	vifm
+	exit
+fi
+
+function cleanup {
+    rm "$FIFO_UEBERZUG" 2>/dev/null
+    pkill -P $$ 2>/dev/null
+}
+pkill -P $$ 2>/dev/null
+rm "$FIFO_UEBERZUG" 2>/dev/null
+mkfifo "$FIFO_UEBERZUG" >/dev/null
+trap cleanup EXIT 2>/dev/null
+tail --follow "$FIFO_UEBERZUG" | ueberzug layer --silent --parser bash 2>&1 >/dev/null &
+
+vifm "$@"
+cleanup