import sys, getopt, time, struct, termios, fcntl, sys, os, select
from time import sleep
from RenderManager import RenderManager
from WanemManager import WanemManager
from SceneManager import SceneManager
class TouchManager:
def __init__(self, pScene):
self.pScene = pScene
#self.infile_path = "/dev/input/event" + (sys.argv[1] if len(sys.argv) > 1 else "0")
self.infile_path = "/dev/input/event0"
self.FORMAT = 'llHHI'
self.EVENT_SIZE = struct.calcsize(self.FORMAT)
self.lastPtX = 0
self.lastPtY = 0
self.rateX = float(480) / 3900
self.rateY = float(320) / 3900
self.sep = 0
#print str(rateX)
#print str(rateY)
self.in_file = open(self.infile_path, "rb")
flag = fcntl.fcntl(self.in_file, fcntl.F_GETFL)
fcntl.fcntl(self.in_file, fcntl.F_SETFL, os.O_NONBLOCK)
def PollEvent(self):
try:
event = self.in_file.read(self.EVENT_SIZE)
except IOError, e:
if e.errno == 11:
return False
(tv_sec, tv_usec, type, code,
value) = struct.unpack(self.FORMAT, event)
if type != 0 or code != 0 or value != 0:
#print("Event type %u, code %u, value %u at %d.%d" % (type, code, value, tv_sec, tv_usec))
# Events with code, type and value == 0 are "separator" events
if code == 0:
self.lastPtX = int(value * self.rateX)
#self.sep = 0
elif code == 1:
self.lastPtY = int(value * self.rateY)
if self.sep == 1:
self.sep = 0
#fDownCallback(pWanem, self.lastPtX, self.lastPtY)
self.pScene.TouchDownHandler(self.lastPtX, self.lastPtY)
elif code == 330:
self.sep = 1
elif code == 24:
if self.sep == 1:
self.sep = 0
#fUpCallback(pWanem, self.lastPtX, self.lastPtY)
self.pScene.TouchUpHandler(self.lastPtX, self.lastPtY)
else:
self.sep = 0
else:
self.sep = 0
return True
#def Update(self, pWanem, fDownCallback, fUpCallback, wait):
def Update(self, wait):
if wait <= 0.0:
return False
# https://repolinux.wordpress.com/2012/10/09/non-blocking-read-from-stdin-in-python/
readable = select.select([self.in_file], [], [], wait)[0]
if not readable:
return
recvable = True
while recvable:
recvable = self.PollEvent()
def Finalize(self):
self.in_file.close()
