Add dmenu scripts

home/.local/bin/scripts/dmenu/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", $1, "--off"}' | paste -sd ' ' -)
+	}
+
+postrun() { # Stuff to run to clean up.
+	command -v setbg >/dev/null && setbg        # Fix background if screen size/arangement has changed.
+	}
+
+# Get all possible displays
+allposs=$(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

home/.local/bin/scripts/dmenu/dmenumount

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+#!/bin/sh
+
+# Gives dmenu prompt to mount unmounted drives and Android phones.
+# If they're in /etc/fstab they'll be mounted automatically.
+# Otherwise, you'll be prompted to give a mountpoint from already
+# existing directories. If you input a novel directory, it will
+# prompt you to create that directory.
+
+getmount() { \
+	[ -z "$chosen" ] && exit 1
+        # shellcheck disable=SC2086
+	mp="$(find $1 2>/dev/null | dmenu -i -p "Type in mount point.")" || exit 1
+	test -z "$mp" && exit 1
+	if [ ! -d "$mp" ]; then
+		mkdiryn=$(printf "No\\nYes" | dmenu -i -p "$mp does not exist. Create it?") || exit 1
+		[ "$mkdiryn" = "Yes" ] && (mkdir -p "$mp" || sudo -A mkdir -p "$mp")
+	fi
+	}
+
+mountusb() { \
+	chosen="$(echo "$usbdrives" | dmenu -i -p "Mount which drive?")" || exit 1
+	chosen="$(echo "$chosen" | 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 '$3!~/\/boot|\/home$|SWAP/&&length($3)>1{printf "-not ( -path *%s -prune ) ",$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;;
+		"exfat") sudo -A mount "$chosen" "$mp" -o uid="$(id -u)",gid="$(id -g)";;
+		*) 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 "$anddrives" | dmenu -i -p "Which Android device?")" || exit 1
+	chosen="$(echo "$chosen" | cut -d : -f 1)"
+	getmount "$HOME -maxdepth 3 -type d"
+        simple-mtpfs --device "$chosen" "$mp"
+	echo "OK" | dmenu -i -p "Tap Allow on your phone if it asks for permission and then press enter" || exit 1
+	simple-mtpfs --device "$chosen" "$mp"
+	notify-send "🤖 Android Mounting" "Android device mounted to $mp."
+	}
+
+asktype() { \
+	choice="$(printf "USB\\nAndroid" | dmenu -i -p "Mount a USB drive or Android device?")" || exit 1
+	case $choice in
+		USB) mountusb ;;
+		Android) mountandroid ;;
+	esac
+	}
+
+anddrives=$(simple-mtpfs -l 2>/dev/null)
+usbdrives="$(lsblk -rpo "name,type,size,mountpoint" | grep 'part\|rom' | awk '$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

home/.local/bin/scripts/dmenu/dmenupass

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+#!/bin/sh
+
+# This script is the value for SUDO_ASKPASS variable,
+# meaning that it will be used as a password prompt if needed.
+
+dmenu -P -p "$1"

home/.local/bin/scripts/dmenu/dmenurecord

@@ -0,0 +1,121 @@
+
+#!/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
+# `$0 kill`: Kill existing recording
+#
+# If there is already a running instance, user will be prompted to end it.
+
+screencast() {
+	ffmpeg -y \
+	-f x11grab \
+	-framerate 60 \
+	-s "$(xdpyinfo | grep dimensions | awk '{print $2;}')" \
+	-i "$DISPLAY" \
+	-f alsa -i default \
+	-r 30 \
+ 	-c:v h264 -crf 0 -preset ultrafast -c:a aac \
+	"$HOME/screencast-$(date '+%y%m%d-%H%M-%S').mp4" &
+	echo $! > /tmp/recordingpid
+}
+
+video() {
+    ffmpeg \
+	-f x11grab \
+	-s "$(xdpyinfo | grep dimensions | awk '{print $2;}')" \
+	-i "$DISPLAY" \
+ 	-c:v libx264 -qp 0 -r 30 \
+	"$HOME/video-$(date '+%y%m%d-%H%M-%S').mkv" &
+	echo $! > /tmp/recordingpid
+}
+
+webcamhidef() {
+    ffmpeg \
+	-f v4l2 \
+	-i /dev/video0 \
+	-video_size 1920x1080 \
+	"$HOME/webcam-$(date '+%y%m%d-%H%M-%S').mkv" &
+	echo $! > /tmp/recordingpid
+}
+
+webcam() {
+    ffmpeg \
+	-f v4l2 \
+	-i /dev/video0 \
+	-video_size 640x480 \
+	"$HOME/webcam-$(date '+%y%m%d-%H%M-%S').mkv" &
+	echo $! > /tmp/recordingpid
+}
+
+
+audio() {
+	ffmpeg \
+	-f alsa -i default \
+	"$HOME/audio-$(date '+%y%m%d-%H%M-%S').mp3" &
+	echo $! > /tmp/recordingpid
+}
+
+asktoend() {
+	response=$(printf "No\\nYes" | dmenu -i -p "Recording still active. End recording?") &&
+	[ "$response" = "Yes" ] &&  killrecording
+}
+
+videoselected()
+{
+	slop -f "%x %y %w %h" > /tmp/slop
+	read -r X Y W H < /tmp/slop
+	rm /tmp/slop
+
+	ffmpeg \
+	-f x11grab \
+	-framerate 60 \
+	-video_size "$W"x"$H" \
+	-i :0.0+"$X,$Y" \
+	-c:v libx264 -qp 0 -r 30 \
+	"$HOME/box-$(date '+%y%m%d-%H%M-%S').mkv" &
+	echo $! > /tmp/recordingpid
+}
+
+killrecording() {
+	recpid="$(cat /tmp/recordingpid)"
+	# kill with SIGTERM, allowing finishing touches.
+	kill -15 "$recpid" 2>/dev/null
+	rm -f /tmp/recordingpid
+	# even after SIGTERM, ffmpeg may still run, so SIGKILL it.
+	sleep 3
+	kill -9 "$recpid" 2>/dev/null
+	exit
+}
+
+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
+}
+
+case "$1" in
+	screencast) screencast;;
+	audio) audio;;
+	video) video;;
+	*selected) videoselected;;
+	kill) killrecording;;
+	*)
+        if [ -f /tmp/recordingpid ]; then
+	        recpid="$(cat /tmp/recordingpid)"
+            if ps -p $recpid > /dev/null; then
+                asktoend
+                exit
+            fi
+        fi
+        askrecording;;
+esac

home/.local/bin/scripts/dmenu/dmenuumount

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+#!/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 "$drives" | dmenu -i -p "Unmount which drive?")" || exit 1
+	chosen="$(echo "$chosen" | awk '{print $1}')"
+	[ -z "$chosen" ] && exit
+	sudo -A umount "$chosen" && notify-send "💻 USB unmounting" "$chosen unmounted."
+	}
+
+unmountandroid() { \
+	chosen="$(awk '/simple-mtpfs/ {print $2}' /etc/mtab | dmenu -i -p "Unmount which device?")" || exit 1
+	[ -z "$chosen" ] && exit
+	sudo -A umount -l "$chosen" && notify-send "🤖 Android unmounting" "$chosen unmounted."
+	}
+
+asktype() { \
+	choice="$(printf "USB\\nAndroid" | dmenu -i -p "Unmount a USB drive or Android device?")" || exit 1
+	case "$choice" in
+		USB) unmountusb ;;
+		Android) unmountandroid ;;
+	esac
+	}
+
+drives=$(lsblk -nrpo "name,type,size,mountpoint" | awk '$4!~/\/boot|\/home$|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