add touchscreen as touchpad

remarkable_mouse/pynput.py

@@ -15,16 +15,17 @@ e_type_abs = 3
 e_code_stylus_xpos = 1
 e_code_stylus_ypos = 0
 e_code_stylus_pressure = 24
-# evcode_finger_xpos = 53
-# evcode_finger_ypos = 54
-# evcode_finger_pressure = 58
+evcode_finger_xpos = 53
+evcode_finger_ypos = 54
+evcode_finger_pressure = 58
+evcode_finger_mv_id = 0x39
 
 # wacom digitizer dimensions
 wacom_width = 15725
 wacom_height = 20967
 # touchscreen dimensions
-# finger_width = 767
-# finger_height = 1023
+finger_width = 767
+finger_height = 1023
 
 
 # remap wacom coordinates to screen coordinates
@@ -115,3 +116,79 @@ def read_tablet(args, remote_device):
                     monitor.y + mapped_y - mouse.position[1]
                 )
                 new_x = new_y = False
+
+def read_finger(args, remote_device):
+    """Loop forever and map evdev events to mouse"""
+
+    from pynput.mouse import Button, Controller
+
+    lifted = True
+    new_x = new_y = False
+
+    mouse = Controller()
+
+    monitor = get_monitors()[args.monitor]
+    log.debug('Chose monitor: {}'.format(monitor))
+
+    rel_orig_x = -1
+    rel_orig_y = -1
+
+    last_x = 0
+    last_y = 0
+    while True:
+        _, _, e_type, e_code, e_value = struct.unpack('2IHHi', remote_device.read(16))
+
+        if e_type == e_type_abs:
+
+            # handle x direction
+            if e_code == evcode_finger_xpos:
+                log.debug(e_value)
+
+                if rel_orig_x == -1:
+                    rel_orig_x = e_value
+
+                x = e_value
+                new_x = True
+
+            # handle y direction
+            if e_code == evcode_finger_ypos:
+                log.debug('\t{}'.format(e_value))
+
+                if rel_orig_y == -1:
+                    rel_orig_y = e_value
+
+                y = e_value
+                new_y = True
+
+            if e_code == evcode_finger_mv_id:
+                if e_value == -1:
+                    if rel_orig_x == x and rel_orig_y == y:
+                        mouse.press(Button.left)
+                        mouse.release(Button.left)
+                    rel_orig_x = -1
+                    rel_orig_y = -1
+                    last_x = 0
+                    last_y = 0
+
+            # only move when x and y are updated for smoother mouse
+            if new_x and new_y:
+
+                if rel_orig_x != -1 and rel_orig_y != -1:
+                    x_vect = y - rel_orig_y
+                    y_vect = rel_orig_x - x
+
+                    if(args.orientation == "bottom"):
+                        mouse.move(old_x - x, old_y - y)
+                    if(args.orientation == "top"):
+                        mouse.move(x - old_x, y - old_y)
+                    if(args.orientation == "left"):
+                        mouse.move(2 * (x_vect - last_x), 2 * (y_vect - last_y))
+                    if(args.orientation == "right"):
+                        mouse.move(old_y - y, x - old_x)
+
+                    new_x = new_y = False
+
+                    last_x = x_vect
+                    last_y = y_vect
+
+

remarkable_mouse/remarkable_mouse.py

@@ -1,6 +1,8 @@
 # Evan Widloski - 2019-02-23
 # Use reMarkable as mouse input
 
+import threading
+
 import argparse
 import logging
 import os
@@ -91,7 +93,8 @@ def main():
 
         args = parser.parse_args()
 
-        remote_device = open_remote_device(args)
+        remote_stylus = open_remote_device(args, '/dev/input/event0')
+        remote_finger = open_remote_device(args, '/dev/input/event1')
 
         if args.debug:
             logging.getLogger('').setLevel(logging.DEBUG)
@@ -115,7 +118,13 @@ def main():
 
         else:
             from remarkable_mouse.pynput import read_tablet
-            read_tablet(args, remote_device)
+            from remarkable_mouse.pynput import read_finger
+            stylus_thread = threading.Thread(target=read_tablet, args=(args, remote_stylus))
+            finger_thread = threading.Thread(target=read_finger, args=(args, remote_finger))
+
+            stylus_thread.start()
+            finger_thread.start()
+
 
     except KeyboardInterrupt:
         pass