Графический интерфейс

'''
  Repurpose AVERMedia C985 button as push-to-talk key
  (good for Streaming while playing games with a Joystick)
 
  Vendor information for button (via device manger):
  HID\VID_07CA&PID_9850&REV_0101
 
  Requirements:
  pywinusb, pywin32
'''
 
import time
import pywinusb.hid as hid
from win32api import keybd_event
 
class App:
    hid_vendor_id = 0x07CA
    hid_product_id = 0x9850
    hid_device_list = None
    sound_enabled = True
 
    #https://msdn.microsoft.com/en-us/library/windows/desktop/dd375731%28v=vs.85%29.aspx
    ptt_key = 0x13
 
    def start( self ):
        self.hid_device_list = hid.HidDeviceFilter( vendor_id = self.hid_vendor_id, product_id = self.hid_product_id )
        self.hid_device_list = self.hid_device_list.get_devices( )
 
        print "Looking for Device... \nPress Control+C to Quit"
 
        if self.hid_device_list:
            for device in self.hid_device_list:
                    print "Found One!\n"
                    device.open( )
                    device.set_raw_data_handler( self.raw_input_callback )
        else:
            print "Oh No, no devices were found! \n"
 
        while True:
            time.sleep( 1000 ) #HID input/keysend on separate thread.
 
    def raw_input_callback( self, data ):
        # So we know from pushing out the output (data)
        # that we get an array of 9 values, 0-1.
        # index 2 in this array denotes the state of the button
        # 1 is down, 0 is up - so let's send the keypress event to whatever
        # the active window is. Let's just assume people are using global PTT
        #keys so it doesn't really matter what window we actually send the event to.
 
        if data[2] == 1:
            keybd_event( self.ptt_key, 0, 0x0000, 0 )
        elif data[2] == 0:
            keybd_event( self.ptt_key, 0, 0x0002, 0 )
 
if __name__ == '__main__':
    app = App( )
    app.start( )

class App:
    def __init__(self, ppt_key=0x13):
        self._ptt_key = ppt_key
 
    def set_ppt_key(self, value):
        self._ptt_key = value
 
    def get_ppt_key(self):
        return self._ptt_key
    ppt_key = property(get_ppt_key, set_ppt_key)

a = App()
a.ppt_key = int('0x20', 16)
print(a.ppt_key)