From fc7fa0372549f6a6cda88bba32a97cf0ac84b58e Mon Sep 17 00:00:00 2001
From: Jeremy Dormitzer <jeremy.dormitzer@gmail.com>
Date: Sat, 4 Jan 2020 08:12:06 -0500
Subject: [PATCH] Add StumpWM keybinding to configure monitor layout

---
 stumpwm/.stumpwm.d/init.lisp  |  1 +
 stumpwm/bin/monitor_layout.sh | 99 +++++++++++++++++++++++++++++++++++
 2 files changed, 100 insertions(+)
 create mode 100755 stumpwm/bin/monitor_layout.sh

diff --git a/stumpwm/.stumpwm.d/init.lisp b/stumpwm/.stumpwm.d/init.lisp
index d023270..3aae2ce 100644
--- a/stumpwm/.stumpwm.d/init.lisp
+++ b/stumpwm/.stumpwm.d/init.lisp
@@ -35,6 +35,7 @@
 (define-key stumpwm:*root-map* (kbd "w") "exec rofi -show window")
 (define-key stumpwm:*root-map* (kbd "P") "exec passmenu")
 (define-key stumpwm:*root-map* (kbd "N") "exec networkmanager_dmenu")
+(define-key stumpwm:*root-map* (kbd "M") "exec ~/bin/monitor_layout.sh")
 (define-key stumpwm:*root-map* (kbd "L") "lock")
 (define-key stumpwm:*root-map* (kbd "b") "battery")
 (define-key *top-map* (kbd "XF86MonBrightnessDown") "exec light -U 5")
diff --git a/stumpwm/bin/monitor_layout.sh b/stumpwm/bin/monitor_layout.sh
new file mode 100755
index 0000000..e51b3bb
--- /dev/null
+++ b/stumpwm/bin/monitor_layout.sh
@@ -0,0 +1,99 @@
+#!/bin/bash
+
+XRANDR=$(which xrandr)
+
+MONITORS=( $( ${XRANDR} | awk '( $2 == "connected" ){ print $1 }' ) )
+
+
+NUM_MONITORS=${#MONITORS[@]}
+
+TITLES=()
+COMMANDS=()
+
+
+function gen_xrandr_only()
+{
+    selected=$1
+
+    cmd="xrandr --output ${MONITORS[$selected]} --auto "
+
+    for entry in $(seq 0 $((${NUM_MONITORS}-1)))
+    do
+        if [ $selected != $entry ]
+        then
+            cmd="$cmd --output ${MONITORS[$entry]} --off"
+        fi
+    done
+
+    echo $cmd
+}
+
+
+
+declare -i index=0
+TILES[$index]="Cancel"
+COMMANDS[$index]="true"
+index+=1
+
+
+for entry in $(seq 0 $((${NUM_MONITORS}-1)))
+do
+    TILES[$index]="Only ${MONITORS[$entry]}"
+    COMMANDS[$index]=$(gen_xrandr_only $entry)
+    index+=1
+done
+
+##
+# Dual screen options
+##
+for entry_a in $(seq 0 $((${NUM_MONITORS}-1)))
+do
+    for entry_b in $(seq 0 $((${NUM_MONITORS}-1)))
+    do
+        if [ $entry_a != $entry_b ]
+        then
+            TILES[$index]="Dual Screen ${MONITORS[$entry_a]} -> ${MONITORS[$entry_b]}"
+            COMMANDS[$index]="xrandr --output ${MONITORS[$entry_a]} --auto \
+                              --output ${MONITORS[$entry_b]} --auto --left-of ${MONITORS[$entry_a]}"
+
+            index+=1
+        fi
+    done
+done
+
+
+##
+# Clone monitors
+##
+for entry_a in $(seq 0 $((${NUM_MONITORS}-1)))
+do
+    for entry_b in $(seq 0 $((${NUM_MONITORS}-1)))
+    do
+        if [ $entry_a != $entry_b ]
+        then
+            TILES[$index]="Clone Screen ${MONITORS[$entry_a]} -> ${MONITORS[$entry_b]}"
+            COMMANDS[$index]="xrandr --output ${MONITORS[$entry_a]} --auto \
+                              --output ${MONITORS[$entry_b]} --auto --same-as ${MONITORS[$entry_a]}"
+
+            index+=1
+        fi
+    done
+done
+
+
+##
+#  Generate entries, where first is key.
+##
+function gen_entries()
+{
+    for a in $(seq 0 $(( ${#TILES[@]} -1 )))
+    do
+        echo $a ${TILES[a]}
+    done
+}
+
+# Call menu
+SEL=$( gen_entries | rofi -dmenu -p "Monitor Setup:" -a 0 -no-custom  | awk '{print $1}' )
+
+# Call xrandr
+$( ${COMMANDS[$SEL]} )