class LeapCrispyCursor:
CURSOR_CHOICES = {
'path': CrispyPathCursor,
'pitch': CrispyPitchCursor,
}
def __init__(self, parsed_args, *args, **kwargs):
self.parsed_args = parsed_args
# Create a Leap controller and a listener
self.controller = Controller()
self.listener = self.CURSOR_CHOICES[self.parsed_args.mode]()
self.listener.click_timeout = self.parsed_args.click
self.listener.press_timeout = self.parsed_args.press
def run(self):
self.controller.add_listener(self.listener)
try:
while True:
time.sleep(1000)
except KeyboardInterrupt:
pass
finally:
self.controller.remove_listener(self.listener)
showmessage("Removing listener", Status.SUCCESS, Colors.GREEN)
print ""
class Bounces(Application):
def __init__(self, parser, rate):
Application.__init__(self, parser)
self.balls = []
self.rate = Rate(rate)
def rand():
return choice([-1, 1]) * uniform(1. / rate, 10. / rate)
for ball in range(4):
self.balls.append(
Ball(ball, randint(0, self.height - 1),
randint(0, self.width - 1), self.height, self.width,
Ball.colors[ball % len(Ball.colors)], rand(), rand()))
# Motion control via Leap Motion
self.swipe = [None]
self.swipe_lock = RLock()
if leapmotion:
self.leap_listener = SampleListener(self.swipe, self.swipe_lock)
self.controller = Controller()
self.controller.add_listener(self.leap_listener)
def close(self, reason='unknown'):
Application.close(self, reason)
if leapmotion:
self.controller.remove_listener(self.leap_listener)
def render(self):
with self.model:
self.model.set_all('black')
with self.swipe_lock:
for ball in self.balls:
self.model.set_pixel(ball.x, ball.y, ball.color)
if self.swipe[0] is not None:
# mapping axes (height, width) of Arbalet on axes (x, z) of Leap Motion
x_speed_boost = self.swipe[0].direction[
0] * self.swipe[0].speed / 500.
y_speed_boost = self.swipe[0].direction[
2] * self.swipe[0].speed / 500.
ball.x_speed += x_speed_boost
ball.y_speed += y_speed_boost
self.swipe[0] = None
def run(self):
while True:
for ball in self.balls:
ball.step_forward()
self.render()
self.rate.sleep()
class Bounces(Application):
def __init__(self, parser, rate):
Application.__init__(self, parser)
self.balls = []
self.rate = Rate(rate)
def rand():
return choice([-1, 1])*uniform(1./rate, 10./rate)
for ball in range(4):
self.balls.append(Ball(ball, randint(0, self.height-1), randint(0, self.width-1),
self.height, self.width,
Ball.colors[ball%len(Ball.colors)],
rand(), rand()))
# Motion control via Leap Motion
self.swipe = [None]
self.swipe_lock = RLock()
if leapmotion:
self.leap_listener = SampleListener(self.swipe, self.swipe_lock)
self.controller = Controller()
self.controller.add_listener(self.leap_listener)
def close(self, reason='unknown'):
Application.close(self, reason)
if leapmotion:
self.controller.remove_listener(self.leap_listener)
def render(self):
with self.model:
self.model.set_all('black')
with self.swipe_lock:
for ball in self.balls:
self.model.set_pixel(ball.x, ball.y, ball.color)
if self.swipe[0] is not None:
# mapping axes (height, width) of Arbalet on axes (x, z) of Leap Motion
x_speed_boost = self.swipe[0].direction[0] * self.swipe[0].speed / 500.
y_speed_boost = self.swipe[0].direction[2] * self.swipe[0].speed / 500.
ball.x_speed += x_speed_boost
ball.y_speed += y_speed_boost
self.swipe[0] = None
def run(self):
while True:
for ball in self.balls:
ball.step_forward()
self.render()
self.rate.sleep()
class LeapFlow(QMainWindow):
def __init__(self):
QMainWindow.__init__(self)
self.controller = Controller()
self.listener = LeapListener(self)
self.controller.add_listener(self.listener)
self.mode = "gallery"
self.scroll = False
self.direction = ""
self.direction_x = 0
self.scroll_velocity = 0
self.current_index = 0
# List containing images for the gallery
self.list_view = QListWidget()
self.list_view.setFlow(0)
self.list_view.setHorizontalScrollMode(1)
self.list_view.setMouseTracking(True)
self.list_view.itemClicked.connect(self.show_image)
# Setting the style of the ListView, background, item selected, etc
self.list_view.setStyleSheet(
"""
QListWidget::item:hover {background: transparent;}
QListWidget::item:disabled:hover {background: transparent;}
QListWidget::item:hover:!active {background: transparent;}
QListWidget::item:selected:active {background: transparent;}
QListWidget::item:selected:!active {background: transparent;}
QListWidget::item:selected:disabled {background: transparent;}
QListWidget::item:selected:!disabled {background: transparent;}
QListWidget {background: #2C3539}
"""
)
# Image viewer
self.scene = QGraphicsScene()
self.viewer = QGraphicsView(self.scene)
self.stackedWidget = QStackedWidget()
self.stackedWidget.addWidget(self.list_view)
self.stackedWidget.addWidget(self.viewer)
self.setCentralWidget(self.stackedWidget)
self.resize(500, 400)
self.showMaximized()
scan = ScanLibrary("/home/chris/Example")
threads.append(scan)
self.connect(scan, SIGNAL(scan.signal), self.add_images_to_list)
scan.start()
self.connect(self, SIGNAL("scrollChanged(bool)"), self.scroll_view)
def setScroll(self, scroll):
"""Emit signal to scroll the view"""
if self.scroll != scroll:
self.scroll = scroll
self.emit(SIGNAL("scrollChanged(bool)"), scroll)
def scroll_view(self):
"""Scroll the view based on scroll velocity and direction"""
x = self.direction_x * self.scroll_velocity / 100
bar_x = self.list_view.horizontalScrollBar().value()
self.list_view.horizontalScrollBar().setValue(bar_x + x)
def add_images_to_list(self):
"""To add a widget to the listview you must add a QListWidgetItem
and replace with your widget"""
for image in library:
item = QListWidgetItem()
pixmap = QPixmap.fromImage(QImage(library[image]))
label = QLabel()
label.setPixmap(pixmap.scaled(600, 400))
item.setSizeHint(label.sizeHint())
item.setData(0, library[image])
self.list_view.addItem(item)
self.list_view.setItemWidget(item, label)
def show_image(self, item):
""""Display the selected image"""
self.current_index = self.list_view.indexFromItem(item).row()
self.scene.addPixmap((QPixmap.fromImage(QImage(item.text()))).scaled(self.viewer.size()))
self.stackedWidget.setCurrentIndex(1)
self.mode = "viewer"
def previous_image(self):
"""Load previous image"""
if self.current_index - 1 >= 0:
self.current_index -= 1
self.load_image()
def next_image(self):
"""Load next image"""
if self.current_index + 1 <= len(library.keys()) - 1:
self.current_index += 1
self.load_image()
def load_image(self):
"""Load the image in self.current_index"""
self.scene.addPixmap(QPixmap.fromImage(QImage(library[library.keys()[self.current_index]])))
class LeapFlow (QMainWindow):
def __init__ (self):
QMainWindow.__init__ (self)
self.controller = Controller ()
self.listener = LeapListener (self)
self.controller.add_listener (self.listener)
self.mode = "gallery"
self.scroll = False
self.direction = ""
self.direction_x = 0
self.scroll_velocity = 0
self.current_index = 0
# List containing images for the gallery
self.list_view = QListWidget ()
self.list_view.setFlow (0)
self.list_view.setHorizontalScrollMode (1)
self.list_view.setMouseTracking (True)
self.list_view.itemClicked.connect (self.show_image)
# Setting the style of the ListView, background, item selected, etc
self.list_view.setStyleSheet ("""
QListWidget::item:hover {background: transparent;}
QListWidget::item:disabled:hover {background: transparent;}
QListWidget::item:hover:!active {background: transparent;}
QListWidget::item:selected:active {background: transparent;}
QListWidget::item:selected:!active {background: transparent;}
QListWidget::item:selected:disabled {background: transparent;}
QListWidget::item:selected:!disabled {background: transparent;}
QListWidget {background: #2C3539}
""")
# Image viewer
self.scene = QGraphicsScene ()
self.viewer = QGraphicsView (self.scene)
self.stackedWidget = QStackedWidget ()
self.stackedWidget.addWidget (self.list_view)
self.stackedWidget.addWidget (self.viewer)
self.setCentralWidget (self.stackedWidget)
self.resize (500, 400)
self.showMaximized ()
scan = ScanLibrary ("/home/chris/Example")
threads.append (scan)
self.connect (scan, SIGNAL (scan.signal), self.add_images_to_list)
scan.start ()
self.connect (self, SIGNAL ("scrollChanged(bool)"), self.scroll_view)
def setScroll (self, scroll):
"""Emit signal to scroll the view"""
if (self.scroll != scroll):
self.scroll = scroll
self.emit (SIGNAL("scrollChanged(bool)"), scroll)
def scroll_view (self):
"""Scroll the view based on scroll velocity and direction"""
x = self.direction_x * self.scroll_velocity / 100
bar_x = self.list_view.horizontalScrollBar ().value ()
self.list_view.horizontalScrollBar ().setValue (bar_x + x)
def add_images_to_list (self):
"""To add a widget to the listview you must add a QListWidgetItem
and replace with your widget"""
for image in library:
item = QListWidgetItem ()
pixmap = QPixmap.fromImage (QImage (library[image]))
label = QLabel ()
label.setPixmap (pixmap.scaled (600, 400))
item.setSizeHint (label.sizeHint ())
item.setData (0, library[image])
self.list_view.addItem (item)
self.list_view.setItemWidget (item, label)
def show_image (self, item):
""""Display the selected image"""
self.current_index = self.list_view.indexFromItem (item).row ()
self.scene.addPixmap ((QPixmap.fromImage (QImage (item.text()))).scaled (self.viewer.size()))
self.stackedWidget.setCurrentIndex (1)
self.mode = "viewer"
def previous_image (self):
"""Load previous image"""
if self.current_index - 1 >= 0:
self.current_index -= 1
self.load_image ()
def next_image (self):
"""Load next image"""
if self.current_index + 1 <= len(library.keys ()) - 1:
self.current_index += 1
self.load_image ()
def load_image (self):
"""Load the image in self.current_index"""
self.scene.addPixmap (QPixmap.fromImage (QImage (library[library.keys()[self.current_index]])))