From e9d1a17a7533446ded593bdbf87ad3de54c2d149 Mon Sep 17 00:00:00 2001
From: Daniel Langbein <daniel@systemli.org>
Date: Thu, 17 Jun 2021 16:25:38 +0200
Subject: [PATCH] add de-p1st-rotate

---
 build-pkg/pkglist-de-p1st.txt                 |  2 +-
 pkg/de-p1st-rotate/PKGBUILD                   | 23 ++++++++++++
 .../etc/de-p1st-rotate/config.cfg             | 16 +++++++++
 .../examples/rotate-inverted.sh               |  3 ++
 pkg/de-p1st-rotate/examples/rotate-left.sh    |  3 ++
 pkg/de-p1st-rotate/examples/rotate-normal.sh  |  3 ++
 .../bin/de-p1st-installer/de-p1st-auto-rotate | 29 +++++++++++++++
 .../de-p1st-installer/de-p1st-rotate-screen   | 36 +++++++++++++++++++
 8 files changed, 114 insertions(+), 1 deletion(-)
 create mode 100644 pkg/de-p1st-rotate/PKGBUILD
 create mode 100644 pkg/de-p1st-rotate/etc/de-p1st-rotate/config.cfg
 create mode 100644 pkg/de-p1st-rotate/examples/rotate-inverted.sh
 create mode 100644 pkg/de-p1st-rotate/examples/rotate-left.sh
 create mode 100644 pkg/de-p1st-rotate/examples/rotate-normal.sh
 create mode 100644 pkg/de-p1st-rotate/usr/bin/de-p1st-installer/de-p1st-auto-rotate
 create mode 100644 pkg/de-p1st-rotate/usr/bin/de-p1st-installer/de-p1st-rotate-screen

diff --git a/build-pkg/pkglist-de-p1st.txt b/build-pkg/pkglist-de-p1st.txt
index 1763a50..de0682c 100644
--- a/build-pkg/pkglist-de-p1st.txt
+++ b/build-pkg/pkglist-de-p1st.txt
@@ -1,4 +1,4 @@
-de-p1st-locale de-p1st-systemd de-p1st-sudo de-p1st-screen de-p1st-htop de-p1st-pacman de-p1st-pacman-mirrorlist de-p1st-networkmanager de-p1st-ucode-placeholder de-p1st-ucode-intel de-p1st-ucode-amd de-p1st-nano de-p1st-mkinitcpio de-p1st-makepkg de-p1st-grub de-p1st-font de-p1st-keyboard-de de-p1st-keyboard-x11-de de-p1st-gnupg de-p1st-redshift de-p1st-theme de-p1st-sddm-autologin-placeholder de-p1st-sddm-autologin-yoda de-p1st-sddm-theme-default de-p1st-sddm-theme-nordic de-p1st-gpu-generic de-p1st-gpu-amdgpu de-p1st-installer de-p1st-repo de-p1st-ssh-key-placeholder de-p1st-ssh-key-yoda
+de-p1st-rotate de-p1st-locale de-p1st-systemd de-p1st-sudo de-p1st-screen de-p1st-htop de-p1st-pacman de-p1st-pacman-mirrorlist de-p1st-networkmanager de-p1st-ucode-placeholder de-p1st-ucode-intel de-p1st-ucode-amd de-p1st-nano de-p1st-mkinitcpio de-p1st-makepkg de-p1st-grub de-p1st-font de-p1st-keyboard-de de-p1st-keyboard-x11-de de-p1st-gnupg de-p1st-redshift de-p1st-theme de-p1st-sddm-autologin-placeholder de-p1st-sddm-autologin-yoda de-p1st-sddm-theme-default de-p1st-sddm-theme-nordic de-p1st-gpu-generic de-p1st-gpu-amdgpu de-p1st-installer de-p1st-repo de-p1st-ssh-key-placeholder de-p1st-ssh-key-yoda
 de-p1st-smartcard de-p1st-kernel-default de-p1st-kernel-lts de-p1st-dns de-p1st-ssh
 de-p1st-base
 de-p1st-xfce4
diff --git a/pkg/de-p1st-rotate/PKGBUILD b/pkg/de-p1st-rotate/PKGBUILD
new file mode 100644
index 0000000..a96449a
--- /dev/null
+++ b/pkg/de-p1st-rotate/PKGBUILD
@@ -0,0 +1,23 @@
+# Maintainer: Daniel Langbein <daniel@systemli.org>
+_pkgname=rotate
+_reponame=arch
+pkgname="de-p1st-$_pkgname"
+pkgver=0.0.1
+pkgrel=1
+pkgdesc="Scripts to automate screen rotation"
+arch=('any')
+url="https://codeberg.org/privacy1st/${_reponame}"
+license=('MIT')
+depends=('iio-sensor-proxy-git')  # iio-sensor-proxy did not work on my Surface Go 2 but the git version dos
+makedepends=('git')  # to fetch source(s) via git
+source=("git+${url}.git")
+sha256sums=('SKIP') # 'SKIP' for git sources; Otherwise: autofill using updpkgsums, see https://man.archlinux.org/man/updpkgsums.8.en
+
+package() {
+  cd "${_reponame}/pkg/${pkgname}"
+
+  install -Dm0544 usr/bin/de-p1st-rotate-screen     "$pkgdir"/usr/bin/de-p1st-rotate-screen
+  install -Dm0544 usr/bin/de-p1st-auto-rotate       "$pkgdir"/usr/bin/de-p1st-auto-rotate
+
+  install -Dm0644 -o0 etc/de-p1st-rotate/config.cfg "$pkgdir"/etc/de-p1st-rotate/config.cfg
+}
diff --git a/pkg/de-p1st-rotate/etc/de-p1st-rotate/config.cfg b/pkg/de-p1st-rotate/etc/de-p1st-rotate/config.cfg
new file mode 100644
index 0000000..1d2b7f3
--- /dev/null
+++ b/pkg/de-p1st-rotate/etc/de-p1st-rotate/config.cfg
@@ -0,0 +1,16 @@
+# The screen to rotate
+SCREEN=eDP-1  # other values could be "eDP1" or "HDMI1"
+
+# xrandr devices to rotate together with the screen
+DEVICES=()
+#DEVICES+=( 'pointer:Wacom Pen and multitouch sensor Finger touch' ) # LenovoYoga460
+#DEVICES+=( 'pointer:Wacom Pen and multitouch sensor Pen stylus' )   # LenovoYoga460
+#DEVICES+=( 'pointer:Wacom Pen and multitouch sensor Pen eraser' )   # LenovoYoga460
+#
+DEVICES+=( 'pointer:ELAN9038:00 04F3:2A1C' )                         # SurfaceGo2 (default)
+DEVICES+=( 'pointer:ELAN9038:00 04F3:2A1C Pen (0)' )                 # SurfaceGo2 (default)
+DEVICES+=( 'pointer:ELAN9038:00 04F3:2A1C Eraser (0)' )              # SurfaceGo2 (default)
+#
+#DEVICES+=( 'pointer:ELAN9038:00 04F3:2A1C touch' )                   # SurfaceGo2
+#DEVICES+=( 'pointer:ELAN9038:00 04F3:2A1C stylus' )                  # SurfaceGo2
+#DEVICES+=( 'pointer:ELAN9038:00 04F3:2A1C eraser' )                  # SurfaceGo2
\ No newline at end of file
diff --git a/pkg/de-p1st-rotate/examples/rotate-inverted.sh b/pkg/de-p1st-rotate/examples/rotate-inverted.sh
new file mode 100644
index 0000000..773ce9b
--- /dev/null
+++ b/pkg/de-p1st-rotate/examples/rotate-inverted.sh
@@ -0,0 +1,3 @@
+#!/bin/bash
+
+de-p1st-rotate-screen "inverted"
\ No newline at end of file
diff --git a/pkg/de-p1st-rotate/examples/rotate-left.sh b/pkg/de-p1st-rotate/examples/rotate-left.sh
new file mode 100644
index 0000000..881cb43
--- /dev/null
+++ b/pkg/de-p1st-rotate/examples/rotate-left.sh
@@ -0,0 +1,3 @@
+#!/bin/bash
+
+de-p1st-rotate-screen "left"
\ No newline at end of file
diff --git a/pkg/de-p1st-rotate/examples/rotate-normal.sh b/pkg/de-p1st-rotate/examples/rotate-normal.sh
new file mode 100644
index 0000000..21f7479
--- /dev/null
+++ b/pkg/de-p1st-rotate/examples/rotate-normal.sh
@@ -0,0 +1,3 @@
+#!/bin/bash
+
+de-p1st-rotate-screen "normal"
\ No newline at end of file
diff --git a/pkg/de-p1st-rotate/usr/bin/de-p1st-installer/de-p1st-auto-rotate b/pkg/de-p1st-rotate/usr/bin/de-p1st-installer/de-p1st-auto-rotate
new file mode 100644
index 0000000..23ddb7a
--- /dev/null
+++ b/pkg/de-p1st-rotate/usr/bin/de-p1st-installer/de-p1st-auto-rotate
@@ -0,0 +1,29 @@
+#!/bin/bash
+
+# Output of "monitor-sensor --accel | grep 'orientation'":
+#   === Has accelerometer (orientation: normal)
+#   Accelerometer orientation changed: right-up
+
+# Feed output of 'monitor-sensor' and stop after first match of 'orientation'
+ORIENTATION_STR="$(grep -m 1 'orientation' <( monitor-sensor ))" || exit $?
+
+case "${ORIENTATION_STR}" in
+  *": normal"*)
+    ORIENTATION="normal";
+    ;;
+  *": bottom-up"*)
+    ORIENTATION="inverted";
+    ;;
+  *": right-up"*)
+    ORIENTATION="left";
+    ;;
+  *": left-up"*)
+    ORIENTATION="right";
+    ;;
+  *)
+    echo "Could not parse ORIENTATION_STR!";
+    exit 1;
+esac
+
+# echo "Detected device orientation ${ORIENTATION}"
+de-p1st-rotate-screen "${ORIENTATION}"
diff --git a/pkg/de-p1st-rotate/usr/bin/de-p1st-installer/de-p1st-rotate-screen b/pkg/de-p1st-rotate/usr/bin/de-p1st-installer/de-p1st-rotate-screen
new file mode 100644
index 0000000..c43bc8d
--- /dev/null
+++ b/pkg/de-p1st-rotate/usr/bin/de-p1st-installer/de-p1st-rotate-screen
@@ -0,0 +1,36 @@
+#!/bin/bash
+
+# @post: $SCREEN variable and $DEVICES array are set
+source /etc/de-1st-rotate/config.cfg || exit $?
+
+if [ "$#" -ne "1" ]; then
+  echo "usage: $0 ORIENTATION";
+  exit 1;
+fi
+
+ORIENTATION="$1"
+
+# "xrandr ... || exit 1" does not work to check if $SCREEN exists.
+# if e.g. the given output "$SCREEN" does not exist.
+# Thus we check if $SCREEN is valid with grep:
+xrandr --listmonitors | grep --quiet "\s${SCREEN}\$" || {
+  echo "The given screen ${SCREEN} does not exist.";
+  exit 1;
+}
+
+xrandr --output "${SCREEN}" --rotate "${ORIENTATION}" || {
+  echo "Could not rotate ${SCREEN}!";
+  exit 1;
+}
+
+for i in "${DEVICES[@]}"; do
+  xinput --map-to-output "${i}" "${SCREEN}" || {
+    echo "Could not map device ${i} to screen ${SCREEN}!";
+    FAILURE=true
+  }
+done
+
+if [ "${FAILURE}" = "true" ]; then
+  # At least one error occurred.
+  exit 1;
+fi