Attachment 902361 Details for Bug 1104789 – Script to help manually fix pointerss

Script to help manually fix pointerss

fix_input_scaling.py (text/x-python), 1.55 KB, created by Abrahm Scully on 2014-06-04 22:59:14 UTC

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Creator: Abrahm Scully

Created: 2014-06-04 22:59:14 UTC

Size: 1.55 KB

patch

obsolete

>#!/usr/bin/env python2
>import re
>import subprocess
>
>screen_x = 0.
>screen_y = 0.
>primary_display_x = 0.
>primary_display_y = 0.
>SINGLE_MONITOR_TOUCHPAD_ACCEL_VEL_SCALING=12.5
>
># run xrandr
>xrandr_output = subprocess.check_output(['xrandr', '--screen', '0'])
>
># try to parse output
>for line in iter(xrandr_output.splitlines()):
>    if re.match(r'^Screen 0: ', line):
>        m = re.search('current ([1-9][0-9]*) x ([1-9][0-9]*),', line)
>        screen_x = float(m.group(1))
>        screen_y = float(m.group(2))
>    elif re.match(r'eDP1 connected primary ', line):
>        m = re.search('eDP1 connected primary ([1-9][0-9]*)x([1-9][0-9]*)+.*', line);
>        primary_display_x = float(m.group(1))
>        primary_display_y = float(m.group(2))
>
># 
>x_transform = primary_display_x/screen_x
>y_transform = primary_display_y/screen_y
>accel_vel_scaling = SINGLE_MONITOR_TOUCHPAD_ACCEL_VEL_SCALING/x_transform
>
>print("\n"
>      "# Please modify SINGLE_MONITOR_TOUCHPAD_ACCEL_VEL_SCALING in the script\n"
>      "# to match the single-monitor value for the touchpad's\n"
>      "# 'Device Accel Velocity Scaling' attribute.\n")
>print("# Please replace TOUCHSCREEN_ID and TOUCHPAD_ID with their respective xinput ids.\n")
>
>print("xinput set-prop TOUCHSCREEN_ID 'Coordinate Transformation Matrix' {} 0.0 0.0 0.0 {} 0.0 0.0 0.0 1.0".format(x_transform, y_transform))
>print("xinput set-prop TOUCHPAD_ID 'Coordinate Transformation Matrix' {} 0.0 0.0 0.0 {} 0.0 0.0 0.0 1.0".format(x_transform, y_transform))
>print("xinput set-prop TOUCHPAD_ID 'Device Accel Velocity Scaling' {}".format(accel_vel_scaling))

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Attachments on bug 1104789: 902361 | 912393