New command line options and functionality.
- Orientation can be get from the accelerometer or the current screen orientation (`rotate-screen` or `rotate-screen screen`). - Orientation can be switched to the next orientation (`rotate-screen next`: normal->left->inverted->right->normal or `rotate-screen previous`). - Orientation can be specified at the command line (`rotate-screen normal|left|inverted|right`). I hope this covers most use cases!
This commit is contained in:
sphh
GitHub
parent
9c3e761bc4
commit
3ed56ea599
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@ -16,33 +16,141 @@
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# Run as root: NO
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# Run in alternate directory: NO
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#
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# Anchestors:
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# A possible .desktop file can look like this:
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# [Desktop Entry]
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# Encoding=UTF-8
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# Version=1.0
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# Name=Rotate
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# Comment=Rotate Screen
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# Type=Application
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# Exec=rotate-screen
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# Icon=rotation-allowed-symbolic
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# Terminal=false
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# Categories=Settings
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# StartupNotify=true
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# and could be saved in ~/.local/share/applications/rotate-screen.desktop
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#
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# Anchestors and ideas:
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# mildmojo
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# https://gist.github.com/mildmojo/48e9025070a2ba40795c
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# mbinnun:
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# https://gist.github.com/mildmojo/48e9025070a2ba40795c#gistcomment-2694429
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#
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# frgomes:
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# https://github.com/frgomes/bash-scripts/blob/develop/bin/rotate
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# Check for commands needed
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GDBUS=$(which gdbus)
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if test -z $GDBUS; then
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echo "Command 'gdbus' not found."
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exit 1
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fi
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XINPUT=$(which xinput)
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if test -z $XINPUT; then
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echo "Command 'xinput' not found."
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exit 2
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fi
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XRANDR=$(which xrandr)
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if test -z $XRANDR; then
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echo "Command 'xrandr' not found."
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fi
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GDBUS=gdbus
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XINPUT=xinput
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XRANDR=xrandr
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get_orientation () {
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usage () {
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# Display the usage
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#
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# No options
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cat <<EOF
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$(basename $0) [-h|--help] [screen|next|previous|normal|left|inverted|right]
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Rotate the screen and all pointing devices (touchscreens, pens, touchpads, ...)
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The script can handle the following typical use cases:
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1. One-shot rotation (automatic detection):
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You hold the device in the new orientation desired and invoke this script.
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The screen and all pointing devices rotate.
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Usage:
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- Disable automatic screen rotation in the settings for your desktop
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environment.
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- Hold the device in the new orientation and call this script with "$0".
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Pre-requisites:
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Programs: $GDBUS, $XINPUT, $XRANDR
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Hardware: Accelerometer
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Package: iio-sensor-proxy
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2. Automatic screen rotation, but pointing devices do not rotate:
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The orientation of the screen is set by the desktop environment, but the
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pointing devices are not.
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Usage:
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- Enable automatic screen rotation in the settings for your desktop
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environment.
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- Hold the device in the new orientation and call this script with
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"$0 screen".
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Pre-requisites:
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Programs: $XINPUT, $XRANDR
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Hardware: --
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Package: --
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3. Cycle through screen rotations:
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The orientation of the screen is cycled through normal -> left -> inverted
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-> right -> normal (option "next") or in reversed order (option "previous")
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with each call of this script.
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Usage:
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- Disable automatic screen rotation in the settings for your desktop
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environment.
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- Call this script with "$0 next|previous".
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Pre-requisites:
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Programs: $XINPUT, $XRANDR
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Hardware: --
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Package: --
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4. One-shot rotation (manual):
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Independent of the actual orientation of the device, the orientation is
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set to the given orientation.
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Usage:
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- Disable automatic screen rotation in the settings for your desktop
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environment.
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- Call this script with "$0 normal|inverted|left|right".
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Pre-requisites:
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Programs: $XINPUT, $XRANDR
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Hardware: --
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Package: --
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Note:
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Sometimes not all pointing devices are rotated. The reason is, that the
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pointing device was not active at the time of rotation, as can happen with
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e.g. bluetooth pens. In that case simply call the script again with the
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same parameter.
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Parameters:
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-h, --help Display this help and exit.
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screen, next, normal, left, inverted, right
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The new orientation (optional). The default behaviour (no
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option) is to use the orientation from the built-in
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accelerometer. If 'screen' is given, use the screen's
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current orientation. 'next' will switch to the next
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orientation and any other option switches to the specified
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orientation, regardless of the device's or the screen's
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actual orientation.
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EOF
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}
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check_commands () {
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# Check for commands needed
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#
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# $1: The required orientation
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if test $1 = auto; then
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GDBUS=$(which $GDBUS)
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if test -z $GDBUS; then
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echo "Command 'gdbus' not found."
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exit 10
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fi
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fi
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XINPUT=$(which $XINPUT)
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if test -z $XINPUT; then
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echo "Command 'xinput' not found."
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exit 11
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fi
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XRANDR=$(which $XRANDR)
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if test -z $XRANDR; then
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echo "Command 'xrandr' not found."
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exit 12
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fi
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}
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get_dbus_orientation () {
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# Get the orientation from the DBus
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#
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# No options.
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@ -54,10 +162,14 @@ get_orientation () {
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ORIENTATION=$($GDBUS call $DBUS \
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--method org.freedesktop.DBus.Properties.Get \
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net.hadess.SensorProxy HasAccelerometer)
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if test "$ORIENTATION" != "(<true>,)"; then
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echo "No sensor available! "
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echo "(Do you have the 'iio-sensor-proxy' package installed and enabled?)"
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exit 10
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if test $? != 0; then
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echo $ORIENTATION
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echo " (Is the 'iio-sensor-proxy' package installed and enabled?)"
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exit 20
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elif test "$ORIENTATION" != "(<true>,)"; then
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echo "No sensor available!"
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echo " (Does the computer has a hardware accelerometer?)"
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exit 21
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fi
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# Get the orientation from the DBus
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@ -84,7 +196,29 @@ get_orientation () {
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;;
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*)
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echo "Orientation $ORIENTATION unknown!"
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exit 11
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echo " (Known orientations are: normal, bottom-up, left-up and right-up.)"
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exit 22
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esac
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# Return the orientation found
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echo $ORIENTATION
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}
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get_screen_orientation () {
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# Get the orientation from the current screen orientation
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#
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# $1: The screen
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ORIENTATION=$($XRANDR --current --verbose | grep $1 | cut --delimiter=" " -f6)
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case $ORIENTATION in
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normal|inverted|left|right)
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;;
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*)
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echo "Current screen orientation $ORIENTATION unknown!"
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exit 23
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;;
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esac
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# Return the orientation found
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@ -95,17 +229,24 @@ get_orientation () {
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do_rotate () {
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# Rotate screen and pointers
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#
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# $1: The new orientation
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# $2: The screen to rotate
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# $3-: The pointers to rotate
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# $1: The requested mode (only "screen" gets a special treatment)
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# $2: The new orientation
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# $3: The screen to rotate
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# $4-: The pointers to rotate
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TRANSFORM='Coordinate Transformation Matrix'
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MODE=$1
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shift
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ORIENTATION=$1
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shift
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# Rotate the screen
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$XRANDR --output $1 --rotate $ORIENTATION
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if test $MODE != screen; then
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# Only rotate it, if we have not got the orientation from the screen
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$XRANDR --output $1 --rotate $ORIENTATION
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fi
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shift
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# Rotate all pointers
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@ -129,20 +270,110 @@ do_rotate () {
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}
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# Process the command line options
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MODE=auto
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while true; do
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case $1 in
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-h|--help)
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usage
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exit
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;;
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*)
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if test $# -eq 0; then
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break
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fi
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MODE=$1
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shift
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;;
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esac
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done
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# Check, if all commands, which are needed, are available
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check_commands $MODE
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# Get the display
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XDISPLAY=$($XRANDR --current --verbose | grep primary | cut --delimiter=" " -f1)
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# Get the tablet's orientation
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ORIENTATION=$(get_orientation)
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ret=$?
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if test $ret != 0; then
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echo $ORIENTATION
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exit $ret
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fi
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case $MODE in
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auto)
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ORIENTATION=$(get_dbus_orientation)
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ret=$?
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if test $ret != 0; then
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echo $ORIENTATION
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echo "(To use this script, supply the orientation normal, inverted, left or right on the command line.)"
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exit $ret
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fi
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;;
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screen)
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ORIENTATION=$(get_screen_orientation $XDISPLAY)
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ret=$?
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if test $ret != 0; then
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echo $ORIENTATION
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exit $ret
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fi
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;;
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next)
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ORIENTATION=$(get_screen_orientation $XDISPLAY)
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ret=$?
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if test $ret != 0; then
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echo $ORIENTATION
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exit $ret
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fi
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case $ORIENTATION in
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normal)
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ORIENTATION=left
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;;
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left)
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ORIENTATION=inverted
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;;
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inverted)
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ORIENTATION=right
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;;
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right)
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ORIENTATION=normal
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;;
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*)
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ORIENTATION=normal
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;;
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esac
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;;
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previous)
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ORIENTATION=$(get_screen_orientation $XDISPLAY)
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ret=$?
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if test $ret != 0; then
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echo $ORIENTATION
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exit $ret
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fi
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case $ORIENTATION in
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normal)
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ORIENTATION=right
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;;
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left)
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ORIENTATION=normal
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;;
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inverted)
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ORIENTATION=left
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;;
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right)
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ORIENTATION=inverted
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;;
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*)
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ORIENTATION=normal
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;;
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esac
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;;
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normal|inverted|left|right)
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ORIENTATION=$MODE
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;;
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*)
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echo "Unknown command line parameter orientation $MODE"
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exit 1
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esac
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# Get all pointers
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POINTERS=$($XINPUT | grep slave | grep pointer | sed -e 's/^.*id=\([[:digit:]]\+\).*$/\1/')
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# Get the display and its orientation
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XDISPLAY=$($XRANDR --current --verbose | grep primary | cut --delimiter=" " -f1)
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# Rotate the screen and pointers
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echo "Rotate display $XDISPLAY to $ORIENTATION orientation (Pointers: $(echo $POINTERS | sed 's/\n/ /g'))"
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do_rotate $ORIENTATION $XDISPLAY $POINTERS
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do_rotate $MODE $ORIENTATION $XDISPLAY $POINTERS
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