scripts

config/.config/bspwm/noswallow

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+xev

config/.config/bspwm/terminals

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+St

config/.scripts/bspswallow

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+#!/bin/sh
+
+# Get class of a wid
+get_class() {
+	id=$1
+  if [ -z "$id" ]; then
+    echo ""
+  else
+    xprop -id "$id" | sed -n \
+      -e '/WM_CLASS/s/\( "\)/\n/g; s/[^\n]*\n\([^"]*\)[^\n]*/\1\n/g' \
+      -e '/WM_COMMAND/s/[^"]*/\n\n/1; s/\n"//1; s/\n\([^"]*\)".*/\n\1/; /\n/p' | sed '/^$/d' | head -n1
+  fi
+}
+
+get_pid() {
+	xprop _NET_WM_PID -id "$1" | awk '/[0-9]+/ {print $3}'
+}
+
+get_ppid() {
+	ps -o ppid= -p $1
+}
+
+check_swallowing_process() {
+	pid=$(get_pid $1)
+	[ -z $pid ] && return 0
+	gppid=$(get_ppid $(get_ppid $pid))
+	grep -i "^$(ps -o cmd= -p $gppid | awk '{print $1}' | sed 's_^.*/__')$" ~/.config/bspwm/terminals && return 0
+	[ "$(get_ppid "$(get_ppid "$(get_pid "$1")")")" = "$(get_pid "$2")" ] && return 0 || return 1
+}
+
+swallow() {
+	addedtodesktop=$2
+	lasttermdesktop=$(bspc query -D -n last)
+
+	swallowerid=$1
+	swallowingid=$(bspc query -N -n last)
+	if [ "$addedtodesktop" = "$lasttermdesktop" ] && check_swallowing_process "$swallowerid" "$swallowingid"; then
+		grep -q "^$(get_class "$swallowerid")$" ~/.config/bspwm/{noswallow, terminals} && return
+		grep -i "^$(get_class "$swallowingid")$" ~/.config/bspwm/terminals || return
+		echo "$swallowerid $swallowingid" >> /tmp/swallowids
+		bspc node "$swallowingid" --flag hidden=on
+	fi
+}
+
+spit() {
+	spitterid=$1
+	spitterdesktop=$2
+	grep "^$spitterid" /tmp/swallowids || return
+	spittingid=$(grep "^$spitterid" /tmp/swallowids | head -n1 | awk '{print $2}')
+
+	bspc node "$spittingid" --flag hidden=off
+
+	termdesktop=$(bspc query -D -n "$spittingid")
+	[ "$termdesktop" = "$spitterdesktop" ] || bspc node "$spittingid" -d "$spitterdesktop"
+
+	bspc node "$spittingid" -f
+	sed -i "/^$spitterid/d" /tmp/swallowids
+}
+
+bspc subscribe node_add node_remove | while read -r event
+do
+	case $(echo "$event" | awk '{ print $1 }') in
+		node_add)
+            		swallow $(echo "$event" | awk '{print $5 " " $3}')
+			;;
+		node_remove)
+			spit $(echo "$event" | awk '{print $4 " " $3}')
+			;;
+	esac
+done

config/.scripts/displayselect

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+#!/bin/sh
+
+# A UI for detecting and selecting all displays. Probes xrandr for connected
+# displays and lets user select one to use. User may also select "manual
+# selection" which opens arandr.
+
+twoscreen() { # If multi-monitor is selected and there are two screens.
+
+    mirror=$(printf "no\\nyes" | dmenu -i -p "Mirror displays?")
+    # Mirror displays using native resolution of external display and a scaled
+    # version for the internal display
+    if [ "$mirror" = "yes" ]; then
+        external=$(echo "$screens" | dmenu -i -p "Optimize resolution for:")
+        internal=$(echo "$screens" | grep -v "$external")
+
+        res_external=$(xrandr --query | sed -n "/^$external/,/\+/p" | \
+            tail -n 1 | awk '{print $1}')
+        res_internal=$(xrandr --query | sed -n "/^$internal/,/\+/p" | \
+            tail -n 1 | awk '{print $1}')
+
+        res_ext_x=$(echo "$res_external" | sed 's/x.*//')
+        res_ext_y=$(echo "$res_external" | sed 's/.*x//')
+        res_int_x=$(echo "$res_internal" | sed 's/x.*//')
+        res_int_y=$(echo "$res_internal" | sed 's/.*x//')
+
+        scale_x=$(echo "$res_ext_x / $res_int_x" | bc -l)
+        scale_y=$(echo "$res_ext_y / $res_int_y" | bc -l)
+
+        xrandr --output "$external" --auto --scale 1.0x1.0 \
+            --output "$internal" --auto --same-as "$external" \
+            --scale "$scale_x"x"$scale_y"
+    else
+
+        primary=$(echo "$screens" | dmenu -i -p "Select primary display:")
+        secondary=$(echo "$screens" | grep -v ^"$primary"$)
+        direction=$(printf "left\\nright" | dmenu -i -p "What side of $primary should $secondary be on?")
+        xrandr --output "$primary" --auto --scale 1.0x1.0 --output "$secondary" --"$direction"-of "$primary" --auto --scale 1.0x1.0
+    fi
+    }
+
+morescreen() { # If multi-monitor is selected and there are more than two screens.
+	primary=$(echo "$screens" | dmenu -i -p "Select primary display:")
+	secondary=$(echo "$screens" | grep -v ^"$primary"$ | dmenu -i -p "Select secondary display:")
+	direction=$(printf "left\\nright" | dmenu -i -p "What side of $primary should $secondary be on?")
+	tertiary=$(echo "$screens" | grep -v ^"$primary"$ | grep -v ^"$secondary"$ | dmenu -i -p "Select third display:")
+	xrandr --output "$primary" --auto --output "$secondary" --"$direction"-of "$primary" --auto --output "$tertiary" --"$(printf "left\\nright" | grep -v "$direction")"-of "$primary" --auto
+	}
+
+multimon() { # Multi-monitor handler.
+	case "$(echo "$screens" | wc -l)" in
+		2) twoscreen ;;
+		*) morescreen ;;
+	esac ;}
+
+onescreen() { # If only one output available or chosen.
+	xrandr --output "$1" --auto --scale 1.0x1.0 $(echo "$allposs" | grep -v "\b$1" | awk '{print "--output", $1, "--off"}' | paste -sd ' ' -)
+	}
+
+postrun() { # Stuff to run to clean up.
+	setbg		# Fix background if screen size/arangement has changed.
+	{ killall dunst ; setsid -f dunst ;} >/dev/null 2>&1 # Restart dunst to ensure proper location on screen
+	}
+
+# Get all possible displays
+allposs=$(xrandr -q | grep "connected")
+
+# Get all connected screens.
+screens=$(echo "$allposs" | awk '/ connected/ {print $1}')
+
+# If there's only one screen
+[ "$(echo "$screens" | wc -l)" -lt 2 ] &&
+	{ onescreen "$screens"; postrun; notify-send "💻 Only one screen detected." "Using it in its optimal settings...";  exit ;}
+
+# Get user choice including multi-monitor and manual selection:
+chosen=$(printf "%s\\nmulti-monitor\\nmanual selection" "$screens" | dmenu -i -p "Select display arangement:") &&
+case "$chosen" in
+	"manual selection") arandr ; exit ;;
+	"multi-monitor") multimon ;;
+	*) onescreen "$chosen" ;;
+esac
+
+postrun

config/.scripts/dmenurecord

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+#!/bin/sh
+
+# Usage:
+# `$0`: Ask for recording type via dmenu
+# `$0 screencast`: Record both audio and screen
+# `$0 video`: Record only screen
+# `$0 audio`: Record only audio
+# `$0 kill`: Kill existing recording
+#
+# If there is already a running instance, user will be prompted to end it.
+
+getdim() { xrandr | grep -oP '(?<=current ).*(?=,)' | tr -d ' ' ;}
+
+updateicon() { \
+	echo "$1" > /tmp/recordingicon
+	pkill -RTMIN+9 "${STATUSBAR:-dwmblocks}"
+	}
+
+killrecording() {
+	recpid="$(cat /tmp/recordingpid)"
+	kill -15 "$recpid"
+	rm -f /tmp/recordingpid
+	updateicon ""
+	pkill -RTMIN+9 "${STATUSBAR:-dwmblocks}"
+	}
+
+screencast() { \
+	ffmpeg -y \
+	-f x11grab \
+	-framerate 30 \
+	-s "$(getdim)" \
+	-i "$DISPLAY" \
+	-r 24 \
+	-use_wallclock_as_timestamps 1 \
+	-f alsa -thread_queue_size 1024 -i default \
+ 	-c:v h264 \
+	-crf 0 -preset ultrafast -c:a aac \
+	"$HOME/Videos/Capture/screencast-$(date '+%y%m%d-%H%M-%S').mp4" &
+	echo $! > /tmp/recordingpid
+	updateicon "⏺️🎙️"
+       	}
+
+video() { ffmpeg \
+	-f x11grab \
+	-framerate 30 \
+	-s "$(getdim)" \
+	-i "$DISPLAY" \
+ 	-c:v libx264 -qp 0 -r 30 \
+	"$HOME/Videos/Capture/video-$(date '+%y%m%d-%H%M-%S').mkv" &
+	echo $! > /tmp/recordingpid
+	updateicon "⏺️"
+	}
+
+webcamhidef() { ffmpeg \
+	-f v4l2 \
+	-i /dev/video0 \
+	-video_size 1920x1080 \
+	"$HOME/Videos/Capture/webcam-$(date '+%y%m%d-%H%M-%S').mkv" &
+	echo $! > /tmp/recordingpid
+	updateicon "🎥"
+	}
+
+webcam() { ffmpeg \
+	-f v4l2 \
+	-i /dev/video0 \
+	-video_size 640x480 \
+	"$HOME/Videos/Capture/webcam-$(date '+%y%m%d-%H%M-%S').mkv" &
+	echo $! > /tmp/recordingpid
+	updateicon "🎥"
+	}
+
+
+audio() { \
+	ffmpeg \
+	-f alsa -i default \
+	-c:a flac \
+	"$HOME/Videos/Capture/audio-$(date '+%y%m%d-%H%M-%S').flac" &
+	echo $! > /tmp/recordingpid
+	updateicon "🎙️"
+	}
+
+askrecording() { \
+	choice=$(printf "screencast\\nvideo\\nvideo selected\\naudio\\nwebcam\\nwebcam (hi-def)" | dmenu -i -p "Select recording style:")
+	case "$choice" in
+		screencast) screencast;;
+		audio) audio;;
+		video) video;;
+		*selected) videoselected;;
+		webcam) webcam;;
+		"webcam (hi-def)") webcamhidef;;
+	esac
+	}
+
+asktoend() { \
+	response=$(printf "No\\nYes" | dmenu -i -p "Recording still active. End recording?") &&
+	[ "$response" = "Yes" ] &&  killrecording
+	}
+
+videoselected()
+{
+	slop -f "%x %y %w %h" > /tmp/slop
+	read -r X Y W H < /tmp/slop
+	rm /tmp/slop
+
+	ffmpeg \
+	-f x11grab \
+	-framerate 30 \
+	-video_size "$W"x"$H" \
+	-i :0.0+"$X,$Y" \
+	-c:v libx264 -qp 0 -r 30 \
+	"$HOME/Videos/Capture/box-$(date '+%y%m%d-%H%M-%S').mkv" &
+	echo $! > /tmp/recordingpid
+	updateicon "⏺️"
+}
+
+case "$1" in
+	screencast) screencast;;
+	audio) audio;;
+	video) video;;
+	*selected) videoselected;;
+	kill) killrecording;;
+	*) ([ -f /tmp/recordingpid ] && asktoend && exit) || askrecording;;
+esac

config/.scripts/mounter

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+#!/bin/bash
+
+# Mounts Android Phones and USB drives (encrypted or not). This script will
+# replace the older `dmenumount` which had extra steps and couldn't handle
+# encrypted drives.
+# TODO: Try decrypt for drives in crtypttab
+# TODO: Add some support for connecting iPhones (although they are annoying).
+
+IFS='
+'
+# Function for escaping cell-phone names.
+escape(){ echo "$@" | iconv -cf UTF-8 -t ASCII//TRANSLIT | tr -d '[:punct:]' | tr '[:upper:]' '[:lower:]' | tr ' ' '-' | sed "s/-\+/-/g;s/\(^-\|-\$\)//g" ;}
+
+# Check for phones.
+phones="$(simple-mtpfs -l 2>/dev/null | sed "s/^/📱/")"
+mountedphones="$(grep "simple-mtpfs" /etc/mtab)"
+# If there are already mounted phones, remove them from the list of mountables.
+[ -n "$mountedphones" ] && phones="$(for phone in $phones; do
+	for mounted in $mountedphones; do
+		escphone="$(escape "$phone")"
+		[[ "$mounted" =~ "$escphone" ]] && break 1
+	done && continue 1
+	echo "$phone"
+done)"
+
+# Check for drives.
+lsblkoutput="$(lsblk -rpo "uuid,name,type,size,label,mountpoint,fstype")"
+# Get all LUKS drives
+allluks="$(echo "$lsblkoutput" | grep crypto_LUKS)"
+# Get a list of the LUKS drive UUIDs already decrypted.
+decrypted="$(find /dev/disk/by-id/dm-uuid-CRYPT-LUKS2-* | sed "s|.*LUKS2-||;s|-.*||")"
+# Functioning for formatting drives correctly for dmenu:
+filter() { sed "s/ /:/g" | awk -F':' '$7==""{printf "%s%s (%s) %s\n",$1,$3,$5,$6}' ; }
+
+# Get only LUKS drives that are not decrypted.
+unopenedluks="$(for drive in $allluks; do
+	uuid="${drive%% *}"
+	uuid="${uuid//-}"	# This is a bashism.
+	[ -n "$decrypted" ] && for open in $decrypted; do
+		[ "$uuid" = "$open" ] && break 1
+	done && continue 1
+	echo "🔒 $drive"
+done | filter)"
+
+# Get all normal, non-encrypted or decrypted partitions that are not mounted.
+normalparts="$(echo "$lsblkoutput"| grep -v crypto_LUKS | grep 'part\|rom\|crypt' | sed "s/^/💾 /" | filter )"
+
+# Add all to one variable. If no mountable drives found, exit.
+alldrives="$(echo "$phones
+$unopenedluks
+$normalparts" | sed "/^$/d;s/ *$//")"
+
+# Quit the script if a sequential command fails.
+set -e
+
+test -n "$alldrives"
+
+# Feed all found drives to dmenu and get user choice.
+chosen="$(echo "$alldrives" | dmenu -p "Mount which drive?" -i)"
+
+# Function for prompting user for a mountpoint.
+getmount(){
+	mp="$(find /mnt /media /mount /home -maxdepth 1 -type d 2>/dev/null | dmenu -i -p "Mount this drive where?")"
+	test -n "$mp"
+	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
+}
+
+attemptmount(){
+		# Attempt to mount without a mountpoint, to see if drive is in fstab.
+		sudo -A mount "$chosen" || return 1
+		notify-send "💾Drive Mounted." "$chosen mounted."
+		exit
+}
+
+case "$chosen" in
+	💾*)
+		chosen="${chosen%% *}"
+		chosen="${chosen:1}"	# This is a bashism.
+		parttype="$(echo "$lsblkoutput" | grep "$chosen")"
+		attemptmount || getmount
+		case "${parttype##* }" in
+			vfat) sudo -A mount -t vfat "$chosen" "$mp" -o rw,umask=0000 ;;
+			btrfs) sudo -A mount "$chosen" "$mp" ;;
+			*) sudo -A mount "$chosen" "$mp" -o uid="$(id -u)",gid="$(id -g)" ;;
+		esac
+		notify-send "💾Drive Mounted." "$chosen mounted to $mp."
+		;;
+
+	🔒*)
+		chosen="${chosen%% *}"
+		chosen="${chosen:1}"	# This is a bashism.
+		# Number the drive.
+		while true; do
+			[ -f "/dev/mapper/usb$num" ] || break
+			num="$(printf "%02d" "$((num +1))")"
+		done
+
+		# Decrypt in a terminal window
+		${TERMINAL:-st} -n floatterm -g 60x1 -e sudo cryptsetup open "$chosen" "usb$num"
+		# Check if now decrypted.
+		test -b "/dev/mapper/usb$num"
+
+		attemptmount || getmount
+		sudo -A mount "/dev/mapper/usb$num" "$mp" -o uid="$(id -u)",gid="$(id -g)"
+		notify-send "🔓Decrypted drive Mounted." "$chosen decrypted and mounted to $mp."
+		;;
+
+	📱*)
+		notify-send "❗Note" "Remember to allow file access on your phone now."
+		getmount
+		number="${chosen%%:*}"
+		number="${chosen:1}"	# This is a bashism.
+		sudo -A simple-mtpfs -o allow_other -o fsname="simple-mtpfs-$(escape "$chosen")" --device "$number" "$mp"
+		notify-send "🤖 Android Mounted." "Android device mounted to $mp."
+		;;
+esac

config/.scripts/unmounter

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+#!/bin/sh
+
+# Unmount USB drives or Android phones. Replaces the older `dmenuumount`. Fewer
+# prompt and also de-decrypts LUKS drives that are unmounted.
+
+set -e
+
+mounteddroids="$(grep simple-mtpfs /etc/mtab | awk '{print "📱" $2}')"
+lsblkoutput="$(lsblk -nrpo "name,type,size,mountpoint")"
+mounteddrives="$(echo "$lsblkoutput" | awk '($2=="part"||$2="crypt")&&$4!~/\/boot|\/home$|SWAP/&&length($4)>1{printf "💾%s (%s)\n",$4,$3}')"
+
+allunmountable="$(echo "$mounteddroids
+$mounteddrives" | sed "/^$/d;s/ *$//")"
+test -n "$allunmountable"
+
+chosen="$(echo "$allunmountable" | dmenu -i -p "Unmount which drive?")"
+chosen="${chosen%% *}"
+test -n "$chosen"
+
+sudo -A umount -l "/${chosen#*/}"
+notify-send "Device unmounted." "$chosen has been unmounted."
+
+# Close the chosen drive if decrypted.
+cryptid="$(echo "$lsblkoutput" | grep "/${chosen#*/}$")"
+cryptid="${cryptid%% *}"
+test -b /dev/mapper/"${cryptid##*/}"
+sudo -A cryptsetup close "$cryptid"
+notify-send "🔒Device dencryption closed." "Drive is now securely locked again."