Dynamically enable stylus and eraser remapping.
A bit of a cruftectomy; removed most of the reportage displays, and enabled dynamic scanning of the device list so that the stylus & eraser now remap automatically, even after they've been added dynamically via modprobe. Signficantly reduced the number of shell-outs as well As is my usual nature, I removed almost all the case handling and replaced it with a table, which is DRY: Every piece of knowledge must have a single, unambiguous, authoritative representation within a system. The table has a name, number, transformation matrix, and x and y orientation check functions. Everything else is just checking on that.
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@ -1,147 +1,114 @@
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#!/usr/bin/env python2
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import time
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import os
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import os.path
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import re
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import subprocess
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import sys
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from gi.repository import Notify
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import time
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#FUNCTIONS
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def readFile(path): #self.filename
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myDatei = open(path, "r")
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myList = []
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#Liste aus Datei erstellen
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for Line in myDatei:
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Line = Line.rstrip()
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#Line = Line.decode('utf8')
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myList.append(Line)
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myDatei.close()
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return(myList)
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from collections import namedtuple
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devicename = 'NTRG0001:01 1B96:1B05'
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freq = 5.0
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MONITOR_CONNECTED_RE = re.compile(r'\bconnected\b')
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DIGITIZER_RE = re.compile(r'NTRG0001\:01\s+1B96\:1B05')
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PEN_RE = re.compile(r'\bPen (stylus|eraser)\b')
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PROXIMITY_RE = re.compile(r'\bProximity\=(\w+)', re.M)
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current_orientation = ''
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currently_proximate = False
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xinput_statemap = {True: 'disable', False: 'enable'}
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def find_accelerometers():
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spath = '/sys/bus/iio/devices/'
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dpath = [os.path.join(spath, p) for p in os.listdir('/sys/bus/iio/devices/')
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if re.match('iio\:device\d', p) and os.path.exists(os.path.join(spath, p, 'in_accel_scale'))]
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if not dpath:
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sys.stderr.write("Could not find iio device to monitor.")
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sys.exit(1)
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return (os.path.join(dpath[0], 'in_accel_x_raw'),
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os.path.join(dpath[0], 'in_accel_y_raw'))
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x_accel_path, y_accel_path = find_accelerometers()
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def writeFile(path, myList): #self.filename
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myDatei = open(path, "w")
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#Liste aus Datei erstelle
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myDatei.writelines(myList)
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myDatei.close()
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def refreshtouch():
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os.system('xinput disable "NTRG0001:01 1B96:1B05"')
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os.system('xinput enable "NTRG0001:01 1B96:1B05"')
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def checkdisplays():
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check_displays = "xrandr | grep -w 'connected'"
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str_displays = str(subprocess.check_output(check_displays, shell=True).lower().rstrip())
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list_displays = str_displays.splitlines()
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int_displays = len(list_displays)
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return int_displays
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#PARAMETERS
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count = 0
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path = os.path.abspath(os.path.dirname(os.path.abspath(__file__)))
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devicename = "'NTRG0001:01 1B96:1B05'"
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penname = "'NTRG0001:01 1B96:1B05 Pen'"
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freq = 5.0
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def countdisplays():
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return int(len([l for l in subprocess.check_output(['xrandr', '--current']).splitlines()
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if MONITOR_CONNECTED_RE.search(l)]))
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# Look for accelerometer
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while count <= 9:
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if os.path.exists('/sys/bus/iio/devices/iio:device' + str(count) + '/in_accel_scale') == True:
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dpath = '/sys/bus/iio/devices/iio:device' + str(count) + '/' # directory of accelerometer device (iio)
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break
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count = count + 1
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#print(dpath)
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# Landscape
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def lsx(thex): return thex >= 65000 or thex <= 650
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# Portrait
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def ptx(thex): return not lsx(thex)
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# Left
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def lfy(they): return they <= 65000 and they >= 64000
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# Right
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def rgy(they): return not lfy(they)
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# It's a little odd that X labels it 'left' when you've just turned
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# the tablet to the right, and vice versa, but that's the convention,
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# I guess.
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Transform = namedtuple('Tranform', ['name', 'mode', 'matrix', 'xrule', 'yrule'])
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transforms = [
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Transform('normal', 0, '1 0 0 0 1 0 0 0 1', lsx, lfy),
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Transform('inverted', 1, '-1 0 1 0 -1 1 0 0 1', lsx, rgy),
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Transform('left', 2, '0 -1 1 1 0 0 0 0 1', ptx, rgy),
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Transform('right', 3, '0 1 0 -1 0 1 0 0 1', ptx, lfy)
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]
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def is_in(pen):
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res = PROXIMITY_RE.search(subprocess.check_output(['xinput', 'query-state', pen]))
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return (res and res.group(1).lower() == 'in')
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#Commands for correct rotation
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normal = 'xrandr -o normal; '+'xinput set-prop ' + devicename +" 'Coordinate Transformation Matrix' 1 0 0 0 1 0 0 0 1;"+'xinput set-prop ' + penname +" 'Coordinate Transformation Matrix' 1 0 0 0 1 0 0 0 1;"
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inverted = 'xrandr -o inverted; '+'xinput set-prop ' + devicename +" 'Coordinate Transformation Matrix' -1 0 1 0 -1 1 0 0 1;"+'xinput set-prop ' + penname +" 'Coordinate Transformation Matrix' -1 0 1 0 -1 1 0 0 1;"
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right = 'xrandr -o left; '+'xinput set-prop ' + devicename +" 'Coordinate Transformation Matrix' 0 -1 1 1 0 0 0 0 1;"+'xinput set-prop ' + penname +" 'Coordinate Transformation Matrix' 0 -1 1 1 0 0 0 0 1;"
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left = 'xrandr -o right; '+'xinput set-prop ' + devicename +" 'Coordinate Transformation Matrix' 0 1 0 -1 0 1 0 0 1;"+'xinput set-prop ' + penname +" 'Coordinate Transformation Matrix' 0 1 0 -1 0 1 0 0 1;"
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state_dict = {0: "normal", 1: "inverted", 2: "right", 3: "left"}
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current_state = 0
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previous_tstate = "on"
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previousStylusProximityStatus = "out"
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firstrun = True
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#ACCELEROMETER
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with open(dpath + 'in_accel_scale') as f:
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scale = float(f.readline())
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while True:
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multimonitor = False
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int_displays = checkdisplays()
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if int_displays > 1:
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multimonitor = True
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int_displays = countdisplays()
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time.sleep(1.0/freq)
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previous_state = current_state
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status = readFile(os.path.join(path, 'status.txt'))
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if str(status[0]) == "on" and multimonitor == False:
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with open(dpath + 'in_accel_x_raw', 'r') as fx:
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with open(dpath + 'in_accel_y_raw', 'r') as fy:
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with open(dpath + 'in_accel_z_raw', 'r') as fz:
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thex = float(fx.readline())
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they = float(fy.readline())
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thez = float(fz.readline())
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if checkdisplays() == 1:
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if (thex >= 65000 or thex <=650):
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if (they <= 65000 and they >= 64000):
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os.system(normal)
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current_state = 0
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if (they >= 650 and they <= 1100):
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os.system(inverted)
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current_state = 1
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if (thex <= 64999 and thex >= 650):
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if (thex >= 800 and thex <= 1000):
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os.system(right)
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current_state = 2
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if (thex >= 64500 and thex <=64700):
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os.system(left)
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current_state = 3
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if int_displays == 1:
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os.system('clear')
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print("ExtDi: " + str(multimonitor))
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print("A-ROT: " + status[0])
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print(" x: " + str(thex))
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print(" y: " + str(they))
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print(" z: " + str(thez))
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print(" POS: " + state_dict[current_state])
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if status[0] == "off" or multimonitor == True:
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os.system('clear')
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print("ExtDi: " + str(multimonitor))
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print("A-ROT: " + status[0])
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print(" x: " + status[0])
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print(" y: " + status[0])
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print(" z: " + status[0])
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print(" POS: " + state_dict[previous_state])
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if current_state != previous_state:
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refreshtouch()
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print "Touchscreen refreshed"
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# Check accelerometers
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# Do we need to check the touch_devices list every time? I
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# think we do; the list will change dynamically if we
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# dynamically load the stylus driver after the system has
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# booted.
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touch_devices = filter(lambda n: DIGITIZER_RE.match(n),
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subprocess.check_output(['xinput', '--list', '--name-only']).splitlines())
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with open(x_accel_path, 'r') as fx:
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with open(y_accel_path, 'r') as fy:
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thex = float(fx.readline())
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they = float(fy.readline())
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for check in transforms:
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if check.xrule(thex) and check.yrule(they):
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if current_orientation != check.name:
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print "Switching to orientation %s" % check.name
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os.system('xrandr -o %s' % check.name)
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for device in touch_devices:
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os.system("xinput set-prop '%s' 'Coordinate Transformation Matrix' %s" %
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(device, check.matrix))
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current_orientation = check.name
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refreshtouch()
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print("##########################")
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#SCREEN
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stylusProximityCommand = 'xinput query-state "NTRG0001:01 1B96:1B05 Pen" | grep Proximity | cut -d " " -f3 | cut -d "=" -f2'
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stylusProximityStatus = str(subprocess.check_output(stylusProximityCommand, shell=True).lower().rstrip())
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tstatus = readFile(os.path.join(path, 'touch.txt'))
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#TOUCHSCREEN
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if str(tstatus[0]) == "on" and stylusProximityStatus == "out":
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os.system('xinput enable ' + devicename + '')
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print("TOUCH: " + tstatus[0])
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if str(tstatus[0]) != previous_tstate:
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Notify.init ("Touchscreen-ON")
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RotationON=Notify.Notification.new ("Touchscreen","Touchscreen is now turned ON","dialog-information")
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RotationON.show()
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elif str(tstatus[0]) == "off" and stylusProximityStatus == "out":
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os.system('xinput disable ' + devicename + '')
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print("TOUCH: " + tstatus[0])
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if str(tstatus[0]) != previous_tstate:
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Notify.init ("Touchscreen-OFF")
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RotationOFF=Notify.Notification.new ("Touchscreen","Touchscreen is now turned OFF","dialog-information")
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RotationOFF.show()
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previous_tstate = str(tstatus[0])
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#PEN
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if str(tstatus[0]) == "off" and stylusProximityStatus == "in":
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print("TOUCH: " + tstatus[0])
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print(" PEN: " + stylusProximityStatus)
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elif str(tstatus[0]) == "on" and stylusProximityStatus == "in" and firstrun == False:
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os.system('xinput disable "NTRG0001:01 1B96:1B05"')
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print("TOUCH: " + "off")
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print(" PEN: " + stylusProximityStatus)
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elif stylusProximityStatus == "out":
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print(" PEN: " + stylusProximityStatus)
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firstrun == False
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# Palm rejection (sort-of):
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pen_devices = [p for p in touch_devices if PEN_RE.search(p)]
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pen_status = bool([p for p in pen_devices if is_in(p)])
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if pen_status != currently_proximate:
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print "%s palm rejection" % ("Activating" if pen_status else "Deactivating")
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currently_proximate = pen_status
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os.system("xinput %s '%s'" % (xinput_statemap[pen_status], devicename))
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