From d7c40afa4334c25c967e8a83401ac1a968a0c084 Mon Sep 17 00:00:00 2001
From: derekhe <derekhe@april1985.com>
Date: Sat, 27 Jun 2015 18:15:41 +0800
Subject: Add touch support.

---
 touch.py | 84 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 84 insertions(+)
 create mode 100644 touch.py

(limited to 'touch.py')

diff --git a/touch.py b/touch.py
new file mode 100644
index 0000000..f32a28c
--- /dev/null
+++ b/touch.py
@@ -0,0 +1,84 @@
+#!/usr/bin/env python3
+
+import struct
+import time
+import math
+import glob
+import uinput
+import pyudev
+import os
+
+# Wait and find devices
+def read_and_emulate_mouse(deviceFound):
+    with open(deviceFound, 'rb') as f:
+        print("Read buffer")
+
+        device = uinput.Device([
+            uinput.BTN_LEFT,
+            uinput.BTN_RIGHT,
+            uinput.ABS_X,
+            uinput.ABS_Y,
+        ])
+
+        clicked = False
+        rightClicked = False
+        (lastX, lastY) = (0, 0)
+        startTime = time.time()
+
+        while True:
+            b = f.read(25)
+            (tag, btnLeft, x, y) = struct.unpack_from('>c?HH', b)
+            print(btnLeft, x, y)
+
+            if btnLeft:
+                device.emit(uinput.ABS_X, x, True)
+                device.emit(uinput.ABS_Y, y, True)
+
+                if not clicked:
+                    print("Left click")
+                    device.emit(uinput.BTN_LEFT, 1)
+                    clicked = True
+                    startTime = time.time()
+                    (lastX, lastY) = (x, y)
+
+                duration = time.time() - startTime
+                movement = math.sqrt(pow(x - lastX, 2) + pow(y - lastY, 2))
+
+                if clicked and (not rightClicked) and (duration > 1) and (movement < 20):
+                    print("Right click")
+                    device.emit(uinput.BTN_RIGHT, 1)
+                    device.emit(uinput.BTN_RIGHT, 0)
+                    rightClicked = True
+            else:
+                print("Release")
+                clicked = False
+                rightClicked = False
+                device.emit(uinput.BTN_LEFT, 0)
+
+
+if __name__ == "__main__":
+    os.system("modprobe uinput")
+    os.system("chmod 666 /dev/hidraw*")
+    os.system("chmod 666 /dev/uinput*")
+
+    while True:
+        # try:
+        print("Waiting device")
+        hidrawDevices = glob.glob("/dev/hidraw*")
+
+        context = pyudev.Context()
+
+        deviceFound = None
+        for hid in hidrawDevices:
+            device = pyudev.Device.from_device_file(context, hid)
+            if "0EEF:0005" in device.device_path:
+                deviceFound = hid
+
+        if deviceFound:
+            print("Device found", deviceFound)
+            read_and_emulate_mouse(deviceFound)
+            # except:
+            #     print("Error:", sys.exc_info())
+            #     pass
+            # finally:
+            #     time.sleep(1)
-- 
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