Pynput

README.md

@@ -0,0 +1,51 @@
+# Touchpaddraw
+
+This is a simple python script that converts touchpad to graphics tablet...
+
+> :warning: Still this is in /prototype/ phase and still require *root* privilages... use this *AT YOUR OWN RISK*...  i am not getting time to work on this (need to rewrite this in rust or c)... 
+> :warning: NO support for wayland(yet)
+
+## Demo
+
+[![demo yt video for touchpad draw](https://img.youtube.com/vi/jfI_lGY1dHM/0.jpg)](https://www.youtube.com/watch?v=jfI_lGY1dHM)
+
+## how to use
+
+clone this repo
+```
+git clone https://github.com/Vaisakhkm2625/touchpaddraw.git
+```
+or
+```
+git clone [email protected]:Vaisakhkm2625/touchpaddraw.git
+```
+
+install `evtest`
+
+Run `sudo evtest` and find the event of your touchpad
+
+```
+/dev/input/event8:	MSFT0001:01 06CB:CE2D Touchpad
+```
+means you have `event8`
+
+install python packages
+```
+sudo pip install evdev 
+sudo pip install pynput
+```
+(if you are not able to install, see: https://github.com/gvalkov/python-evdev/issues/164)
+
+
+TODO: (libevdev or evdev)
+
+then run
+
+```bash
+sudo python main.py -d event8
+
+```
+accouding to your event number
+
+
+

main.py

@@ -5,10 +5,13 @@
 import os
 import time
 
+#get trackpad absolute coords
 from evdev import InputDevice
 
 import argparse
 
+from pynput import mouse
+from pynput.mouse import Button
 
 # Initialize parser
 parser = argparse.ArgumentParser()
@@ -20,21 +23,17 @@
 args = parser.parse_args()
 
 #SET THIS TO YOUR DEVICE
-if args.device:
-    device = InputDevice('/dev/input/event6')
-
 device = InputDevice('/dev/input/'+ args.device if args.device else 'event7')
 
-# width =  80
-# height =  30
+touchpad_x_max = 1224
+touchpad_y_max = 804
+
+max_x = 1920
+max_y = 1080
 
-width =  160
-height =  60
 x = 0
 y = 0
 
-mat = [ [' ']*width for i in range(height)]
-
 def get_xy_coords(e):
     #you may need to change this number here; i don't know
     if e.code == 53:
@@ -50,19 +49,23 @@ def mapFromTo(x,a,b,c,d):
    y=(x-a)/(b-a)*(d-c)+c
    return y
 
+x_pos =0
+y_pos =0
 
-def draw(mat):
-    os.system('clear')
-    for i in mat:
-        for j in i:
-            print(j, end='')
-        print()
-    # time.sleep(20)
-
+mouse_controller = mouse.Controller()
 for event in device.read_loop():
+    #rows, cols = stdscr.getmaxyx()
     get_xy_coords(event)
-
     if event.code == 54:
-        mat[math.floor(mapFromTo(y,0,804,0,height-1))][math.floor(mapFromTo(x,0,1224,0,width-1))] = '#'
-        # mat[mapFromTo(y,0,804,0,height-1)][mapFromTo(x,0,1224,0,width-1)] = '#'
-        draw(mat)
+        prev_x_pos = x_pos 
+        prev_y_pos = y_pos 
+        x_pos =math.floor(mapFromTo(x,0,touchpad_x_max,0,max_x))
+        y_pos =math.floor(mapFromTo(y,0,touchpad_y_max,0,max_y))
+        if (abs(prev_x_pos-x_pos)>15 or abs(prev_y_pos-y_pos)>15):
+            mouse_controller.release(Button.left)
+            mouse_controller.position = (x_pos,y_pos);
+        mouse_controller.press(Button.left)
+        mouse_controller.position = (x_pos,y_pos);
+
+      #stdscr.addstr(math.floor(mapFromTo(y,0,touchpad_y_max,0,max_y)),math.floor(mapFromTo(x,0,touchpad_x_max,0,max_x)),char)
+