mouse_scroll.py

#!/usr/bin/env python3
#######################
#
# Auto scroll while holding down mouse side buttons
#
#

from pymouse import PyMouse
from pymouse import PyMouseEvent
import threading
from multiprocessing import Process, Queue
import time

def scroller(q):
    m = PyMouse()
    print("scroller is ready")
    scroll_up = False
    scroll_down = False
    scroll_up_time = time.time()
    scroll_down_time = time.time()
    scroll_sleep_time = 0.1
    while True:
        try:
            d = q.get_nowait()
            if d[0]=="up":
                scroll_up = d[1]
                scroll_up_time = time.time()
            else:
                scroll_down = d[1]
                scroll_down_time = time.time()
        except Exception as e:
            #print(e)
            pass

        time.sleep(scroll_sleep_time)
        if scroll_up:
            m.scroll(vertical=1)
            print("scrolling 1")
        elif scroll_down:
            m.scroll(vertical=-1)
            print("scrolling -1")
        
        if scroll_up or scroll_down:
            if scroll_sleep_time > 0.04:
                scroll_sleep_time -= 0.01
        else:
            scroll_sleep_time = 0.1
        #print("nothing happening")


class Autoscroll(PyMouseEvent):
    def __init__(self, q):
        PyMouseEvent.__init__(self)
        self.q = q
        self.scroller = Process(target=scroller, args=(q,))
        #self.scroller.daemon = True
        self.scroller.start()

    def click(self, x, y, button, press):
        print("x:{}, y:{}, button:{}, press:{}".format(
            x, y, button, press))
        if button == 10:
            q.put(("up", press))
        
        elif button == 11:
            q.put(("down", press))
            

if __name__ == '__main__':
    q = Queue()
    C = Autoscroll(q)
    C.run()