use hc for panel winlist

hc using functionality added since this panel was first written? think,
at least

1 files changed, 11 insertions, 24 deletions

diff --git a/.config/herbstluftwm/panel.sh b/.config/herbstluftwm/panel.sh
index aa42a8f..d12fa77 100755
--- a/.config/herbstluftwm/panel.sh
+++ b/.config/herbstluftwm/panel.sh
@@ -75,36 +75,23 @@ update_taglist() {
 }
 
 update_winlist() {
-	tag_id=$(hc get_attr tags.focus.index)
-	focus_id=$(hc get_attr clients.focus.winid | sed 's/^0x0*//')
+	focus_id=$(hc get_attr clients.focus.winid)
 
 	if [[ -z "$focus_id" ]]; then
 		focus_id=0
 	fi
 
-	lines=$(wmctrl -l | sed -e 's/^0x0*//' -e 's/\\/\\\\/g')
-
-	# kind of messy. use hc dump's ordering but wmctrl -l for pairing
-	# ids with titles
-	for c in $(hc dump | grep -Eo '0x[0-9a-f]*' | sed 's/^0x0*//'); do
-		echo "$lines" | grep "$c"
-	done | while read -ra line
+	hc list_clients | while read -r c
 	do
-		# is it focussed?
-		if [[ "$((16#${line[0]}))" -eq "$((16#$focus_id))" ]]; then
-			echo -n "%{B${bg_focus} F${fg_focus}} "
-		else
-			echo -n "%{B${bg_normal} F${fg_normal}} "
-		fi
-		{
-			if [[ -z "${line[@]:3}" ]]; then
-				echo -n "(has no name)"
-			else
-				echo -n "${line[@]:3}"
-			fi
-		} | sed -r 's/(.{37})...*/\1\.\.\./'
-		echo -n " "
-	done
+		[[ $(($c)) -eq $(($focus_id)) ]] \
+			&& echo -n "%{B${bg_focus} F${fg_focus}} " \
+			|| echo -n "%{B${bg_normal} F${fg_normal}} "
+
+		hc get_attr clients.$c.title | sed -r \
+			-e 's/^$/(has no name)/' \
+			-e 's/(.{37})...*/\1\.\.\./'
+	done | tr '\n' ' '
+
 	echo -n "%{B${bg_normal} F${fg_normal}}"
 }