wmstartup: Add tasks frameworking

Because one-off services are kind of hacky

.config/dtfscripts/tasks/monitorset.sh

@@ -0,0 +1,80 @@
+#! /bin/bash
+#
+# monitorset.sh
+# Copyright (C) 2018 salt <salt@dsk-cstm-0>
+#
+# Distributed under terms of the MIT license.
+#
+
+if ! pgrep bspwm > /dev/null 2>&1; then
+	tsk_log "Not running in bspwm"
+	exit 1
+fi
+
+monitor_primary=$(xrandr -q | awk '/primary/{print $1}')
+monitors_secondary=($(xrandr -q | grep ' connected' | grep -v 'primary' | awk '{print $1}'))
+
+desktops_total=${BSPWM_DESKTOPS_TOTAL:-8}
+desktops_primary=${BSPWM_DESKTOPS_PRIMARY:-6}
+desktops_secondary=$(($desktops_total - $desktops_primary))
+
+# Sanity checks
+if ! [[ "$desktops_total" -ge 1 ]]; then
+	tsk_log "desktops_total cannot be $desktops_total, defaulting to 8"
+	desktops_total=8
+fi
+if ! [[ "$desktops_primary" -ge 1 ]]; then
+	tsk_log "desktops_primary cannot be $desktops_primary, defaulting to 6"
+	desktops_primary=6
+fi
+
+# Do we have enough desktops for all monitors?
+# We can correct this without defaulting, so don't error
+if [[ $desktops_secondary -lt ${#monitors_secondary[@]} ]]; then
+	tsk_log "Configuration would leave some monitors without desktops; adding more"
+	desktops_secondary=${#monitors_secondary[@]}
+	desktops_total=$(($desktops_secondary + $desktops_primary))
+	deskpermon=1
+	tsk_log "Remaining desktops set to $desktops_secondary, highest desktop is now $desktops_total"
+fi
+
+# Can we actually reach all of these desktops via keybinds?
+if [[ $desktops_total -gt 10 ]]; then
+	tsk_log "More than ten desktops were allocated! Not all of these can be reached via keybinds!"
+	if [[ $(($desktops_total - $desktops_secondary)) -gt 0 ]]; then
+		tsk_log "Adjusting primary desktop reservation"
+		desktops_primary=$(($desktops_total - $desktops_secondary))
+		tsk_log "Set reserved desktops to $desktops_primary"
+	else
+		tsk_log "Cannot resolve this situation without starving the primary monitor of desktops!"
+		tsk_log "This may result in desktops being allocated that cannot be easily accessed!"
+	fi
+fi
+
+
+# The code that actually sets the monitors up
+# First, do we actually have any secondaries?
+if [[ $(echo ${monitors_secondary:-0}) == "0" ]]; then
+	# We only have one monitor, so give it everything
+	layout=$(seq --separator=" " 1 $desktops_total)
+	tsk_log "Found one monitor: $monitor_primary, so giving it layout \"$layout\""
+	bspc monitor $monitor_primary -d $layout
+else
+	deskpermon=$(($desktops_secondary / ${#monitors_secondary[@]}))
+	layout=$(seq --separator=" " 1 $desktops_primary)
+	tsk_log "Giving primary monitor $monitor_primary layout \"$layout\""
+	bspc monitor $monitor_primary -d $layout
+	unset layout
+	tsk_log "Attempting to put $desktops_secondary desktops across ${#monitors_secondary[@]} monitors, $deskpermon each"
+	for m in $(seq 0 $((${#monitors_secondary[@]} - 1))); do
+		layout=$(seq --separator=" " $((1 + $m + $desktops_primary)) ${#monitors_secondary[@]} "$desktops_total")
+		tsk_log "Giving monitor $m (${monitors_secondary[$m]}) layout \"$layout\""
+		bspc monitor ${monitors_secondary[$m]} -d $layout
+	done
+fi
+unset monitor_primary
+unset monitors_secondary
+unset desktops_total
+unset desktops_primary
+unset desktops_secondary
+