class MouseHandler(object):
def __init__(self, canvas, osc_player):
self.canvas = canvas
self.mouse = Mouse()
self.osc_player = osc_player
self.em = EventManager()
self.em[ButtonPressed] += self.handle_event
# Mouse action
self.drag_start_x = 0
self.drag_start_y = 0
self.drag_end_x = 0
self.drag_end_y = 0
def handle_event(self, event):
# Get mouse position
(self.mouse_x, self.mouse_y) = pygame.mouse.get_pos()
# TODO: find better programmatical solution for addition
# Now you can also draw lines from outside canvas
self.mouse_x= self.mouse_x-self.canvas.global_x
self.mouse_y= self.mouse_y-self.canvas.global_y
# Check if the event is mouse-related
if event.type == MOUSEBUTTONDOWN:
self.mouse.mouse_pressed()
self.mouse.set_button_pressed(event.button)
elif event.type == MOUSEBUTTONUP:
self.mouse.mouse_released()
self.mouse.set_button_pressed(event.button)
self.measure_line()
# Write out mouse info
self.write_mouse_info()
def measure_line(self):
if not self.mouse.dragging and self.mouse.mouse_down and self.mouse.left_button_pressed:
self.drag_start_x = self.mouse_x
self.drag_start_y = self.mouse_y
self.drag_end_x = self.mouse_x
self.drag_end_y = self.mouse_y
self.mouse.set_dragging(True)
elif self.mouse.dragging and self.mouse.mouse_down and self.mouse.left_button_pressed:
self.drag_end_x = self.mouse_x
self.drag_end_y = self.mouse_y
self.canvas.draw_measuring_line((self.drag_start_x,self.drag_start_y),(self.drag_end_x, self.drag_end_y))
# Send x and y dragging values to PD
# TODO: restrict to canvas borders
self.osc_player.send_message(self.drag_end_x, "/mouse/x")
self.osc_player.send_message(self.drag_end_y, "/mouse/y")
elif self.mouse.dragging and not self.mouse.mouse_down and self.mouse.left_button_pressed:
self.mouse.set_dragging(False)
self.canvas.draw_line(self.drag_start_x,self.drag_start_y,self.drag_end_x, self.drag_end_y)
def write_mouse_info(self):
# Build string
message = "x = %s "\
"y = %s"%(self.mouse_x, self.mouse_y)
# If key pressed add that info
if self.mouse.mouse_down:
message = message + " %s"%self.mouse.button_pressed
# Draw Mouse info on canvas
self.canvas.draw_mouse_info(message,self.mouse.dragging)
