Add dk scratchpads script

dk-scratch

@@ -0,0 +1,37 @@
+#!/bin/bash
+
+# basic scratchpad functionality for dk
+# spawns a set command with a known title if not already open
+# if open toggle between the current workspace and the last
+# written by Nathaniel Maia - 2021
+
+# example rule for the below script to be placed in your dkrc
+#    dkcmd rule class="^scratchpad$" float=true
+
+# Dinamically get both class and command of the needed scratchpad
+title="$1"
+shift
+cmd="$@"
+
+# window ID, we need to printf it as 8 hex digits to later match with dk status
+win=$(printf '0x%08x' "$(xwininfo -root -children | awk '/'"$title"'/ {print $1}')")
+stat=$(dkcmd status num=1 type=full)
+
+if (( win != 0 )); then
+	# window is already open so toggle it
+	ws=$(awk '/^workspaces:/ { for (i = 1; i <= NF; i++) { if ($i ~ "*") print i - 1 } }' <<< "$stat")
+	wins=$(sed -n '/^windows:/,/^$/p' <<< "$stat")
+	win_ws=$(grep "^\s*${win}" <<< "$wins" | awk -F'" ' '{print $4}' | cut -d' ' -f1)
+
+	if (( win_ws == ws )); then
+		# hide it
+		# we could create a new workspace and place it there instead to not mess with the users existing workspaces
+		dkcmd ws send "$win" "$(awk '/numws/{print $2}' <<< "$stat")"
+	else
+		# show it
+		dkcmd ws send "$win" "$ws"
+	fi
+else
+	# the window is not yet spawned so do so
+	${cmd} &>/dev/null & disown
+fi