def __init__(self, radialnet):
"""
"""
gtk.DrawingArea.__init__(self)
self.radialnet = radialnet
self.__rotate_node = PolarCoordinate()
self.__rotate_node.set_coordinate(40, 90)
self.__center_of_widget = (50, 50)
self.__moving = None
self.__centering = False
self.__rotating = False
self.__move_pass = 100
self.__move_position = (0, 0)
self.__move_addition = [(-1, 0),
(-1,-1),
( 0,-1),
( 1,-1),
( 1, 0),
( 1, 1),
( 0, 1),
(-1, 1)]
self.__move_factor = 1
self.__move_factor_limit = 20
self.__rotate_radius = 6
self.__move_radius = 6
self.__rotate_clicked = False
self.__move_clicked = None
self.connect('expose_event', self.expose)
self.connect('button_press_event', self.button_press)
self.connect('button_release_event', self.button_release)
self.connect('motion_notify_event', self.motion_notify)
self.connect('enter_notify_event', self.enter_notify)
self.connect('leave_notify_event', self.leave_notify)
self.connect('key_press_event', self.key_press)
self.connect('key_release_event', self.key_release)
self.add_events(gtk.gdk.BUTTON_PRESS_MASK |
gtk.gdk.BUTTON_RELEASE_MASK |
gtk.gdk.ENTER_NOTIFY |
gtk.gdk.LEAVE_NOTIFY |
gtk.gdk.MOTION_NOTIFY |
gtk.gdk.NOTHING |
gtk.gdk.KEY_PRESS_MASK |
gtk.gdk.KEY_RELEASE_MASK |
gtk.gdk.POINTER_MOTION_HINT_MASK |
gtk.gdk.POINTER_MOTION_MASK)
self.__rotate_node.set_coordinate(40, self.radialnet.get_rotation())
def __draw_move_control(self):
"""
"""
xc, yc = self.__center_of_widget
pc = PolarCoordinate()
self.context.set_dash([1,1])
self.context.arc(xc, yc, 23, 0, 2 * math.pi)
self.context.set_source_rgb(0.0, 0.0, 0.0)
self.context.set_line_width(1)
self.context.stroke()
for i in range(8):
pc.set_coordinate(23, 45 * i)
x, y = pc.to_cartesian()
self.context.set_dash([1,1])
self.context.move_to(xc, yc)
self.context.line_to(xc + x, yc - y)
self.context.stroke()
self.context.set_dash([1,0])
self.context.arc(xc + x, yc - y, self.__move_radius, 0, 2 * math.pi)
if i == self.__moving:
self.context.set_source_rgb(0.0, 0.0, 0.0)
else:
self.context.set_source_rgb(1.0, 1.0, 1.0)
self.context.fill_preserve()
self.context.set_source_rgb(0.0, 0.0, 0.0)
self.context.set_line_width(1)
self.context.stroke()
self.context.arc(xc, yc, 6, 0, 2 * math.pi)
if self.__centering == True:
self.context.set_source_rgb(0.0, 0.0, 0.0)
else:
self.context.set_source_rgb(1.0, 1.0, 1.0)
self.context.fill_preserve()
self.context.set_source_rgb(0.0, 0.0, 0.0)
self.context.set_line_width(1)
self.context.stroke()
return False
def __move_is_clicked(self, pointer):
"""
"""
xc, yc = self.__center_of_widget
pc = PolarCoordinate()
for i in range(8):
pc.set_coordinate(23, 45 * i)
x, y = pc.to_cartesian()
center = (xc + x, yc - y)
result = RadialNet.is_in_circle(pointer,
self.__move_radius,
center)
if result == True:
return i
return None