#-*- coding:utf-8 -*-

"""
This file is part of OpenSesame.

OpenSesame is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.

OpenSesame is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with OpenSesame.  If not, see <http://www.gnu.org/licenses/>.
"""

from libopensesame.py3compat import *
from pygame.locals import *
from openexp._mouse.mouse import Mouse
from openexp._mouse.legacy import Legacy
from openexp.backend import configurable
from libopensesame.exceptions import osexception
import pygame
from expyriment import stimuli
from expyriment.misc.geometry import coordinates2position as c2p
from openexp._coordinates.xpyriment import Xpyriment as XpyrimentCoordinates


class Xpyriment(XpyrimentCoordinates, Legacy):

	"""
	desc:
		This is a mouse backend built on top of PyGame, adapted for Expyriment.
		For function specifications and docstrings, see
		`openexp._mouse.mouse`.
	"""

	settings = {}

	def __init__(self, experiment, **resp_args):

		Mouse.__init__(self, experiment, **resp_args)
		XpyrimentCoordinates.__init__(self)

	@configurable
	def get_click(self):

		buttonlist = self.buttonlist
		timeout = self.timeout
		pygame.mouse.set_visible(self.visible)
		start_time = pygame.time.get_ticks()
		time = start_time
		while True:
			time = pygame.time.get_ticks()
			# Process the input
			for event in pygame.event.get():
				if event.type == KEYDOWN:
					if event.key == pygame.K_ESCAPE:
						self.experiment.pause()
						continue
					pygame.event.post(event)
				if event.type == MOUSEBUTTONDOWN:
					if buttonlist is None or event.button in buttonlist:
						pygame.mouse.set_visible(self._cursor_shown)
						return event.button, self.from_xy(event.pos), time
			if timeout is not None and time - start_time >= timeout:
				break
		pygame.mouse.set_visible(self._cursor_shown)
		return None, None, time


# Non PEP-8 alias for backwards compatibility
xpyriment = Xpyriment
