def do_gesture_recognition(self, gesture_hand, mouse_hand):
if len(gesture_hand.fingers.extended()
) == 5: #Five open fingers on gesture hand (swipe mode)
self.gesture_debouncer.signal(
5) #Tell the debouncer we've seen this gesture
elif len(
gesture_hand.fingers.extended()
) == 4 and self.gesture_debouncer.state != 7: #Three open fingers on gesture hand (scroll mode)
self.gesture_debouncer.signal(4)
elif len(gesture_hand.fingers.extended()
) == 3: #Three open fingers on gesture hand (scroll mode)
self.gesture_debouncer.signal(3)
elif len(
gesture_hand.fingers.extended()
) == 2 and self.gesture_debouncer.state != 6: #Two open fingers on gesture hand (right click)
self.gesture_debouncer.signal(2)
elif len(gesture_hand.fingers.extended()
) == 1: #One open finger on gesture hand (click down)
self.gesture_debouncer.signal(1)
elif len(gesture_hand.fingers.extended()
) == 0: #No open fingers (click up/no action)
self.gesture_debouncer.signal(0)
#Now that we've told the debouncer what we *think* the current gesture is, we must act
#On what the debouncer thinks the gesture is^%{DOWN}
if self.gesture_debouncer.state == 5: #Swipe mode
for gesture in frame.gestures():
if gesture.type is Leap.Gesture.TYPE_SWIPE:
swipe = Leap.SwipeGesture(gesture)
if swipe.start_position.x < swipe.position.x:
SendKeys.SendKeys("^${RIGHT}")
else:
SendKeys.SendKeys("^${LEFT}")
elif self.gesture_debouncer.state == 4: #Right click
SendKeys.SendKeys("%{TABS}")
self.gesture_debouncer.signal(
7) #Dummy class so it doesn't right click again
elif self.gesture_debouncer.state == 3: #Scroll mode
y_scroll_amount = self.velocity_to_scroll_amount(
mouse_hand.palm_velocity.y) #Mouse hand controls scroll amount
x_scroll_amount = self.velocity_to_scroll_amount(
mouse_hand.palm_velocity.x)
self.cursor.scroll(x_scroll_amount, y_scroll_amount)
elif self.gesture_debouncer.state == 2: #Right click
if self.cursor.left_button_pressed:
self.cursor.click_up(
) #You can't left and right click at the same time
self.cursor.rightClick() #Right click
self.gesture_debouncer.signal(
6) #Dummy class so it doesn't right click again
elif self.gesture_debouncer.state == 1: #Click/drag mode
if not self.cursor.left_button_pressed:
self.cursor.click_down() #Click down (if needed)
self.do_mouse_stuff(mouse_hand) #We may want to click and drag
elif self.gesture_debouncer.state == 0: #Move cursor mode
if self.cursor.left_button_pressed:
self.cursor.click_up() #Click up (if needed)
self.do_mouse_stuff(mouse_hand)
def watch_params_in_gesture(self, gesture):
if len(gesture.hands) > 0: #FIX hands ?
gesture_params = {}
if gesture.type == 1:
gesture = Leap.SwipeGesture(gesture)
gesture.direction_name = self.get_direction_name(
gesture.direction)
gesture.current_position_name = self.get_position_name(
gesture.hands[0].palm_position)
gesture.start_position_name = self.get_position_name(
gesture.start_position)
watched_params = GLOBALS['WATCHED_PARAMS_IN_SWIPE']
if gesture.type == 4:
gesture = Leap.CircleGesture(gesture)
if gesture.pointable.direction.angle_to(
gesture.normal) <= Leap.PI / 2:
gesture.clockwiseness = "clockwise"
else:
gesture.clockwiseness = "counterclockwise"
gesture.position_name = self.get_position_name(gesture.center)
watched_params = GLOBALS['WATCHED_PARAMS_IN_CIRCLE']
if gesture.type == 5:
gesture.activated = True
watched_params = GLOBALS['WATCHED_PARAMS_IN_SCREEN_TAP']
if gesture.type == 6:
gesture.activated = True
watched_params = GLOBALS['WATCHED_PARAMS_IN_KEY_TAP']
for path, api in watched_params.items():
try:
gesture_params[path] = eval('gesture.' + api)
except:
print "%s\t%s not found. Valid api ?" % (path, api)
if gesture.type == 1:
self.actor.on_swipe(gesture_params)
if gesture.type == 4:
self.actor.on_circle(gesture_params)
if gesture.type == 5:
self.actor.on_screen_tap(gesture_params)
if gesture.type == 6:
self.actor.on_key_tap(gesture_params)
def watch_params_in_gesture(self, gesture):
if len(gesture.hands) > 0: #FIX hands ?
gesture_params = {}
if gesture.type == 1:
gesture = Leap.SwipeGesture(gesture)
d = gesture.direction
gesture.direction_name = 'not sure'
if d.x > 0.7: gesture.direction_name = 'right'
if d.x <= -0.7: gesture.direction_name = 'left'
if d.y > 0.7: gesture.direction_name = 'top'
if d.y <= -0.7: gesture.direction_name = 'bottom'
if d.z > 0.7: gesture.direction_name = 'back'
if d.z <= -0.7: gesture.direction_name = 'front'
if circle.pointable.direction.angle_to(
circle.normal) <= Leap.PI / 2:
gesture.clockwiseness = "clockwise"
else:
gesture.clockwiseness = "counterclockwise"
watched_params = WATCHED_PARAMS_IN_SWIPE
if gesture.type == 4:
gesture = Leap.CircleGesture(gesture)
watched_params = WATCHED_PARAMS_IN_CIRCLE
if gesture.type == 5:
gesture.activated = True
watched_params = WATCHED_PARAMS_IN_SCREEN_TAP
if gesture.type == 6:
gesture.activated = True
watched_params = WATCHED_PARAMS_IN_KEY_TAP
for path, api in watched_params.items():
try:
gesture_params[path] = eval('gesture.' + api)
except:
print "%s\t%s not found. Valid api ?" % (path, api)
self.sender.send_gesture(gesture_params)