From 7d36db862d15c7a393bd79dc25b857b4a778f6fb Mon Sep 17 00:00:00 2001
From: Luke Shumaker <lukeshu@sbcglobal.net>
Date: Tue, 6 Dec 2016 21:45:25 -0500
Subject: wmii: Support the rotate screen button on my x60 tablet

---
 .config/wmii-hg/config.sh |  11 +++++
 .local/bin/xrotate        | 117 ++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 128 insertions(+)
 create mode 100755 .local/bin/xrotate

diff --git a/.config/wmii-hg/config.sh b/.config/wmii-hg/config.sh
index 1b48cc4..ffb5f20 100644
--- a/.config/wmii-hg/config.sh
+++ b/.config/wmii-hg/config.sh
@@ -263,6 +263,17 @@ Key() {
 			sel=$(sed 1q $WMII_DIR/client/sel/ctl)
 			tag=$(lstags | wimenu -h "${HIST}.tags" -n 50) || return
 			echo "$tag" >> $WMII_DIR/client/$sel/tags;;
+
+		## Hardware keys
+		XF86RotateWindows) ## Rotate the screen
+			local old new
+			old="$(xrotate|cut -d $'\t' -f3|sort -u)"
+			case "$old" in
+				normal) new=right;;
+				*)      new=normal;;
+			esac
+			xrotate "$new"
+			;;
 	esac
 }
 
diff --git a/.local/bin/xrotate b/.local/bin/xrotate
new file mode 100755
index 0000000..55b4e88
--- /dev/null
+++ b/.local/bin/xrotate
@@ -0,0 +1,117 @@
+#!/usr/bin/env bash
+
+# xrandr (graphical output) ############################################
+type xrandr &>/dev/null && modules+=(xrandr)
+
+xrandr.get() {
+	xrandr --query --verbose|awk -v OFS=$'\t' '/ connected /{print "xrandr", $1, $5}'
+}
+
+xrandr.set() {
+	xrandr --orientation "$1"
+}
+
+# xsetwacom (touchscreen input) ########################################
+type xsetwacom &>/dev/null && modules+=(xsetwacom)
+
+xsetwacom.get() {
+	local device
+	xsetwacom --list devices|cut -d $'\t' -f1|while read -r device; do
+		printf 'xsetwacom\t%s\t%s\n' "$device" "$(xsetwacom --get "$device" Rotate)"
+	done | sed -e $'s/\tnone$/\tnormal/' \
+		   -e $'s/\tcw$/\tright/' \
+		   -e $'s/\tccw$/\tleft/' \
+		   -e $'s/\thalf$/\tinverted/'
+}
+
+xsetwacom.set() {
+	declare -A xrandr2wacom
+	xrandr2wacom[normal]=none
+	xrandr2wacom[left]=ccw
+	xrandr2wacom[right]=cw
+	xrandr2wacom[inverted]=half
+
+	local device
+	local r=0
+	xsetwacom --list devices|cut -d $'\t' -f1|while read -r device; do
+		xsetwacom --set "$device" Rotate ${xrandr2wacom[$1]} || r=$?
+	done
+	return $r
+}
+
+# xmodmap (D-pad input) ################################################
+type xmodmap &>/dev/null && modules+=(xmodmap)
+
+declare -A xrandr2xmodmap
+xrandr2xmodmap[keycode]=' 111   113   114   116  '
+xrandr2xmodmap[normal]='  Up    Left  Right Down '
+xrandr2xmodmap[left]='    Right Up    Down  Left '
+xrandr2xmodmap[right]='   Left  Down  Up    Right'
+xrandr2xmodmap[inverted]='Down  Right Left  Up   '
+
+xmodmap.get() {
+	local cur=malformed
+
+	local keys=($(xmodmap -pke | grep -f <(printf '^keycode %s =\n' ${xrandr2xmodmap[keycode]})|awk '{print $4}'))
+	local k
+	for k in normal left right inverted; do
+		if [[ "$(echo ${xrandr2xmodmap[$k]})" = "${keys[*]}" ]]; then
+			cur=$k
+		fi
+	done
+	printf 'xmodmap\t-\t%s\n' "$cur"
+}
+
+xmodmap.set() {
+	paste \
+	    <(printf '%s\n' ${xrandr2xmodmap[keycode]}) \
+	    <(printf '%s\n' ${xrandr2xmodmap[$1]}) \
+	| awk '{print "keycode", $1, "=", $2}' | xmodmap -
+}
+
+# main #################################################################
+
+usage() {
+	. libremessages
+	print 'Usage: %q [-h|--help|normal|left|right|inverted]' "${0##*/}"
+	print 'Get or set screen rotation.'
+	echo
+	prose 'Without any arguments, return the screen rotation as
+	       reported by supported subsystems.  The output format is:'
+	echo
+	print '    SUBSYSTEM <tab> DEVICE <tab> STATE <newline>'
+}
+
+xget() {
+	local r=0
+	local module
+	for module in "${modules[@]}"; do
+		"${module}.get" || r=$?
+	done
+	return $r
+}
+
+xset() {
+	local r=0
+	local module
+	for module in "${modules[@]}"; do
+		"${module}.set" "$1" || r=$?
+	done
+	return $r
+}
+
+main() {
+	case $# in
+		0) xget;;
+		1)
+			case "$1" in
+				normal|left|right|inverted) xset "$1";;
+				-h|--help) usage;;
+				*) usage >&2; exit 1;;
+			esac
+			;;
+		*) usage >&2; exit 1;;
+	esac
+}
+
+main "$@"
-- 
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