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Source code for kivy.input.providers.androidjoystick

# pylint: disable=W0611
Android Joystick Input Provider

This module is based on the PyGame JoyStick Input Provider. For more
information, please refer to

__all__ = ('AndroidMotionEventProvider', )

import os

    import android  # NOQA
except ImportError:
    if 'KIVY_DOC' not in os.environ:
        raise Exception('android lib not found.')

from kivy.logger import Logger
from kivy.input.provider import MotionEventProvider
from kivy.input.factory import MotionEventFactory
from kivy.input.shape import ShapeRect
from kivy.input.motionevent import MotionEvent
if 'KIVY_DOC' not in os.environ:
    import pygame.joystick

class AndroidMotionEvent(MotionEvent):

    def __init__(self, *args, **kwargs):
        kwargs.setdefault('is_touch', True)
        kwargs.setdefault('type_id', 'touch')
        super().__init__(*args, **kwargs)
        self.profile = ['pos', 'pressure', 'shape']

    def depack(self, args):,, self.pressure, radius = args
        self.shape = ShapeRect()
        self.shape.width = radius
        self.shape.height = radius

[docs]class AndroidMotionEventProvider(MotionEventProvider): def __init__(self, device, args): super(AndroidMotionEventProvider, self).__init__(device, args) self.joysticks = [] self.touches = {} self.uid = 0 self.window = None def create_joystick(self, index):'Android: create joystick <%d>' % index) js = pygame.joystick.Joystick(index) js.init() if js.get_numbuttons() == 0:'Android: discard joystick <%d> cause no button' % index) return self.joysticks.append(js)
[docs] def start(self): pygame.joystick.init()'Android: found %d joystick' % pygame.joystick.get_count()) for i in range(pygame.joystick.get_count()): self.create_joystick(i)
[docs] def stop(self): self.joysticks = []
[docs] def update(self, dispatch_fn): if not self.window: from kivy.core.window import Window self.window = Window w, h = self.window.system_size touches = self.touches for joy in self.joysticks: jid = joy.get_id() pressed = joy.get_button(0) if pressed or jid in touches: x = joy.get_axis(0) * 32768. / w y = 1. - (joy.get_axis(1) * 32768. / h) # python for android do * 1000. pressure = joy.get_axis(2) / 1000. radius = joy.get_axis(3) / 1000. # new touch ? if pressed and jid not in touches: self.uid += 1 touch = AndroidMotionEvent(self.device, self.uid, [x, y, pressure, radius]) touches[jid] = touch dispatch_fn('begin', touch) # update touch elif pressed: touch = touches[jid] # avoid same touch position if ( == x and == y and touch.pressure == pressure): continue touch.move([x, y, pressure, radius]) dispatch_fn('update', touch) # disappear elif not pressed and jid in touches: touch = touches[jid] touch.move([x, y, pressure, radius]) touch.update_time_end() dispatch_fn('end', touch) touches.pop(jid)
MotionEventFactory.register('android', AndroidMotionEventProvider)