diff --git a/tdrop b/tdrop
index 336ade0..76903d4 100755
--- a/tdrop
+++ b/tdrop
@@ -101,70 +101,70 @@ name=
 while getopts :h:w:x:y:s:n:c:C:l:L:p:P:u:U:d:f:-:amt opt
 do
 	case $opt in
-	h) height=$OPTARG;;
-	w) width=$OPTARG;;
-	x) xoff=$OPTARG;;
-	y) yoff=$OPTARG;;
-	s) session_name=$OPTARG;;
-	n) num=$OPTARG;;
-	c) pre_create=$OPTARG;;
-	C) post_create=$OPTARG;;
-	l) pre_float=$OPTARG;;
-	L) post_float=$OPTARG;;
-	p) pre_map=$OPTARG;;
-	P) post_map=$OPTARG;;
-	u) pre_unmap=$OPTARG;;
-	U) post_unmap=$OPTARG;;
-	d) dec_fix=$OPTARG;;
-	S) subtract_when_same=false;;
-	i) is_floating=$OPTARG;;
-	f) program_flags=$OPTARG;;
-	a) auto_detect_wm=true;;
-	m) monitor_aware=true;;
-	t) pointer_monitor_detection=true;;
-	-)
-		if [[ $OPTARG =~ ^(auto-detect-wm|monitor-aware|pointer-monitor-detection|clear|no-cancel|help)$ ]] || \
-			[[ $OPTARG == *=* ]]; then
-			OPTION=${OPTARG%%=*}
-			OPTARG=${OPTARG#*=}
-		else
-			OPTION=$OPTARG
-			# shellcheck disable=SC2124
-			OPTARG=${@:$OPTIND:1}
-			((OPTIND++))
-		fi
-		case $OPTION in
-		height) height=$OPTARG;;
-		width) width=$OPTARG;;
-		x-offset) xoff=$OPTARG;;
-		y-offset) yoff=$OPTARG;;
-		session) session_name=$OPTARG;;
-		number) num=$OPTARG;;
-		pre-create-hook) pre_create=$OPTARG;;
-		post-create-hook) post_create=$OPTARG;;
-		pre-map-float-command) pre_float=$OPTARG;;
-		post-map-float-command) post_float=$OPTARG;;
-		pre-map-hook) pre_map=$OPTARG;;
-		post-map-hook) post_map=$OPTARG;;
-		pre-unmap-hook) pre_unmap=$OPTARG;;
-		post-unmap-hook) post_unmap=$OPTARG;;
-		decoration-fix) dec_fix=$OPTARG;;
-		no-subtract-when-same) subtract_when_same=false;;
-		is-floating) is_floating=$OPTARG;;
-		program-flags) program_flags=$OPTARG;;
-		auto-detect-wm) auto_detect_wm=true;;
-		monitor-aware) monitor_aware=true;;
-		pointer-monitor-detection) pointer_monitor_detection=true;;
-		wm) wm=$OPTARG
-			user_set_wm=true;;
-		class) class=$OPTARG;;
-		name) name=$OPTARG;;
-		clear) clearwid=true;;
-		no-cancel) cancel_auto_show=false;;
-		help) print_help;;
+		h) height=$OPTARG;;
+		w) width=$OPTARG;;
+		x) xoff=$OPTARG;;
+		y) yoff=$OPTARG;;
+		s) session_name=$OPTARG;;
+		n) num=$OPTARG;;
+		c) pre_create=$OPTARG;;
+		C) post_create=$OPTARG;;
+		l) pre_float=$OPTARG;;
+		L) post_float=$OPTARG;;
+		p) pre_map=$OPTARG;;
+		P) post_map=$OPTARG;;
+		u) pre_unmap=$OPTARG;;
+		U) post_unmap=$OPTARG;;
+		d) dec_fix=$OPTARG;;
+		S) subtract_when_same=false;;
+		i) is_floating=$OPTARG;;
+		f) program_flags=$OPTARG;;
+		a) auto_detect_wm=true;;
+		m) monitor_aware=true;;
+		t) pointer_monitor_detection=true;;
+		-)
+			if [[ $OPTARG =~ ^(auto-detect-wm|monitor-aware|pointer-monitor-detection|clear|no-cancel|help)$ ]] || \
+				   [[ $OPTARG == *=* ]]; then
+				OPTION=${OPTARG%%=*}
+				OPTARG=${OPTARG#*=}
+			else
+				OPTION=$OPTARG
+				# shellcheck disable=SC2124
+				OPTARG=${@:$OPTIND:1}
+				((OPTIND++))
+			fi
+			case $OPTION in
+				height) height=$OPTARG;;
+				width) width=$OPTARG;;
+				x-offset) xoff=$OPTARG;;
+				y-offset) yoff=$OPTARG;;
+				session) session_name=$OPTARG;;
+				number) num=$OPTARG;;
+				pre-create-hook) pre_create=$OPTARG;;
+				post-create-hook) post_create=$OPTARG;;
+				pre-map-float-command) pre_float=$OPTARG;;
+				post-map-float-command) post_float=$OPTARG;;
+				pre-map-hook) pre_map=$OPTARG;;
+				post-map-hook) post_map=$OPTARG;;
+				pre-unmap-hook) pre_unmap=$OPTARG;;
+				post-unmap-hook) post_unmap=$OPTARG;;
+				decoration-fix) dec_fix=$OPTARG;;
+				no-subtract-when-same) subtract_when_same=false;;
+				is-floating) is_floating=$OPTARG;;
+				program-flags) program_flags=$OPTARG;;
+				auto-detect-wm) auto_detect_wm=true;;
+				monitor-aware) monitor_aware=true;;
+				pointer-monitor-detection) pointer_monitor_detection=true;;
+				wm) wm=$OPTARG
+					user_set_wm=true;;
+				class) class=$OPTARG;;
+				name) name=$OPTARG;;
+				clear) clearwid=true;;
+				no-cancel) cancel_auto_show=false;;
+				help) print_help;;
+				*) print_help illegal_opt;;
+			esac;;
 		*) print_help illegal_opt;;
-		esac;;
-	*) print_help illegal_opt;;
 	esac
 done
 shift "$((OPTIND-1))"
@@ -180,7 +180,7 @@ fi
 
 if [[ $# -ne 1 ]]; then
 	echo >&2 "Exactly 1 positional argument is required." \
-		"For help use -h or --help or see the manpage." | \
+			 "For help use -h or --help or see the manpage." | \
 		tee -a "$MUTDROP_PATH"/log
 	exit 1
 fi
@@ -193,7 +193,7 @@ if [[ ! $height$width$xoff$yoff =~ ^[0-9%-]*$ ]]; then
 fi
 if [[ -n $dec_fix ]] && [[ ! $dec_fix =~ ^-?[0-9]+x-?[0-9]+$ ]]; then
 	echo >&2 "The decoration fix value must have form 'num'x'num'." \
-		"The numbers can be negative or zero." | tee -a "$MUTDROP_PATH"/log
+			 "The numbers can be negative or zero." | tee -a "$MUTDROP_PATH"/log
 	exit 1
 fi
 
@@ -269,7 +269,7 @@ update_geometry_settings_for_monitor() {
 		# TODO use jq if installed
 		# I'd rather not make jq a dependency
 		current_monitor=$(i3-msg -t get_workspaces | sed 's/{"num"/\n/g' | \
-			gawk -F ',' '/focused":true/ {sub(".*output",""); gsub("[:\"]",""); print $1}')
+							  gawk -F ',' '/focused":true/ {sub(".*output",""); gsub("[:\"]",""); print $1}')
 	fi
 
 	local monitor_geo x_begin y_begin x_width y_height
@@ -327,7 +327,7 @@ update_geometry_settings_for_monitor() {
 
 map_and_reset_geometry() {
 	xdotool windowmap "$wid" windowmove "$wid" "$xoff" "$yoff" \
-		windowsize "$wid" "$width" "$height" 2> /dev/null
+			windowsize "$wid" "$width" "$height" 2> /dev/null
 }
 
 # * WM Detection and Hooks
@@ -579,7 +579,7 @@ create_win_return_wid() {
 		if [[ -n "$wids" ]]; then
 			while read -r wid; do
 				if [[ ! $blacklist =~ (^|$'\n')"$wid"($|$'\n') ]] && \
-					[[ $(get_visibility "$wid") == IsViewable ]]; then
+					   [[ $(get_visibility "$wid") == IsViewable ]]; then
 					visible_wid=true
 					program_wid=$wid
 				fi