6460e7c967
Soon openrc-settingsd (hostnamed) will uses these properties so the
information can be exposed to apps like GNOME Settings.
Let's also move the shellcheck comment to the outer scope, otherwise
we'd need four of these comments now, and let's not use ${} but just $.
97 lines
3.3 KiB
Bash
97 lines
3.3 KiB
Bash
#!/bin/sh
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startdir=$1
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pkgname=$2
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if [ -z "$startdir" ] || [ -z "$pkgname" ]; then
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echo "ERROR: missing argument!"
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echo "Please call $0 with \$startdir \$pkgname as arguments."
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exit 1
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fi
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srcdir="$startdir/src"
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if [ ! -f "$srcdir/deviceinfo" ]; then
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echo "NOTE: $0 is intended to be used inside of the build() function"
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echo "of a device package's APKBUILD only."
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echo "ERROR: deviceinfo file missing!"
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exit 1
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fi
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# shellcheck disable=SC1090,SC1091
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. "$srcdir/deviceinfo"
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# Convert an input calibration matrix from pixel coordinates to 0-1 coordinates
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# and echo it for libinput.
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# Parameters:
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# $1: x multiplier for x coordinate
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# $2: y multiplier for x coordinate
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# $3: pixel offset for x coordinate
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# $4: x multiplier for y coordinate
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# $5: y multiplier for y coordinate
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# $6: pixel offset for y coordinate
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echo_libinput_calibration()
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{
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# Check if we have got the required number of parameters.
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if [ $# -ne 6 ]; then
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echo "WARNING: There must be exactly 6 (or 0) values for the touchscreen calibration." >&2
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echo "WARNING: No calibration matrix for x11/libinput will be generated." >&2
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return
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fi
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# Check if we have got a screen width and screen height.
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# shellcheck disable=SC2154
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if [ -z "$deviceinfo_screen_width" ] || [ -z "$deviceinfo_screen_height" ]; then
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echo "WARNING: Screen width and height are required to generate a calibration matrix for x11/libinput." >&2
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echo "WARNING: No calibration matrix for x11/libinput will be generated." >&2
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return
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fi
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# Perform the actual conversion: divide both offsets by width/height.
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# As the "dc" command from "bc" is incompatible to the one provided by busybox,
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# this calls busybox explicitly.
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# shellcheck disable=SC2154
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x_offset=$(busybox dc "$3" "$deviceinfo_screen_width" / p)
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# shellcheck disable=SC2154
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y_offset=$(busybox dc "$6" "$deviceinfo_screen_height" / p)
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# Check if we have got results from dc. If there was an error, dc should have
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# printed an error message that hopefully gives the user a hint why it failed.
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if [ -z "$x_offset" ] || [ -z "$y_offset" ]; then
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echo "WARNING: Calculating the offsets for the calibration matrix for x11/libinput failed." >&2
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echo "No calibration matrix for x11/libinput will be generated." >&2
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return
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fi
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echo "ENV{LIBINPUT_CALIBRATION_MATRIX}=\"$1 $2 $x_offset $4 $5 $y_offset\", \\"
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}
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# Generate the contents for /etc/machine-info
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generate_machine_info()
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{
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# shellcheck disable=SC2154
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{
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echo "PRETTY_HOSTNAME=\"$deviceinfo_name\""
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echo "CHASSIS=\"$deviceinfo_chassis\""
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echo "HARDWARE_VENDOR=\"$deviceinfo_manufacturer\""
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echo "HARDWARE_MODEL=\"$deviceinfo_name\""
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} > "$srcdir/machine-info"
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}
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generate_machine_info
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# shellcheck disable=SC2154
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if [ -n "$deviceinfo_dev_touchscreen" ]; then
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# Create touchscreen udev rule
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{
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echo "SUBSYSTEM==\"input\", ENV{DEVNAME}==\"$deviceinfo_dev_touchscreen\", \\"
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# shellcheck disable=SC2154
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if [ -n "$deviceinfo_dev_touchscreen_calibration" ]; then
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echo "ENV{WL_CALIBRATION}=\"$deviceinfo_dev_touchscreen_calibration\", \\"
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# The following intentionally expands the touchscreen calibration into the
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# 6 values that should be there.
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# shellcheck disable=SC2086
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echo_libinput_calibration $deviceinfo_dev_touchscreen_calibration
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fi
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echo "ENV{ID_INPUT}=\"1\", ENV{ID_INPUT_TOUCHSCREEN}=\"1\""
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} > "$srcdir/90-$pkgname.rules"
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fi
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