Ajout du GUI

kivy/input/providers/androidjoystick.py

@@ -0,0 +1,117 @@
+# pylint: disable=W0611
+'''
+Android Joystick Input Provider
+===============================
+
+This module is based on the PyGame JoyStick Input Provider. For more
+information, please refer to
+`<http://www.pygame.org/docs/ref/joystick.html>`_
+
+
+'''
+__all__ = ('AndroidMotionEventProvider', )
+
+import os
+
+try:
+    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.sx, self.sy, self.pressure, radius = args
+        self.shape = ShapeRect()
+        self.shape.width = radius
+        self.shape.height = radius
+        super().depack(args)
+
+
+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):
+        Logger.info('Android: create joystick <%d>' % index)
+        js = pygame.joystick.Joystick(index)
+        js.init()
+        if js.get_numbuttons() == 0:
+            Logger.info('Android: discard joystick <%d> cause no button' %
+                        index)
+            return
+        self.joysticks.append(js)
+
+    def start(self):
+        pygame.joystick.init()
+        Logger.info('Android: found %d joystick' % pygame.joystick.get_count())
+        for i in range(pygame.joystick.get_count()):
+            self.create_joystick(i)
+
+    def stop(self):
+        self.joysticks = []
+
+    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 (touch.sx == x and touch.sy == 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)