from kivy.uix.relativelayout import RelativeLayout from kivy.properties import NumericProperty from kivy.core.window import Window import threading import pygame import yaml from .lock import * from .music_file import * class Mapping(RelativeLayout): expected_keys = NumericProperty(0) def __init__(self, **kwargs): self.key_config, self.channel_number, self.open_files = self.parse_config() super(Mapping, self).__init__(**kwargs) self._keyboard = Window.request_keyboard(self._keyboard_closed, self) self._keyboard.bind(on_key_down=self._on_keyboard_down) self.running = [] pygame.mixer.init(frequency = 44100) pygame.mixer.set_num_channels(self.channel_number) def _keyboard_closed(self): self._keyboard.unbind(on_key_down=self._on_keyboard_down) self._keyboard = None def _on_keyboard_down(self, keyboard, keycode, text, modifiers): key = self.find_by_key_code(keycode) if key is not None: threading.Thread(name = "MSKeyAction", target=key.do_actions).start() return True def find_by_key_code(self, key_code): if "Key_" + str(key_code[0]) in self.ids: return self.ids["Key_" + str(key_code[0])] return None def find_by_unicode(self, key_sym): for key in self.children: if not type(key).__name__ == "Key": continue print(key.key_sym, key_sym) if key.key_sym == key_sym: print("found") return key return None def stop_all_running(self): self.running = [] def start_running(self, key, start_time): self.running.append((key, start_time)) def keep_running(self, key, start_time): return (key, start_time) in self.running def finished_running(self, key, start_time): if (key, start_time) in self.running: self.running.remove((key, start_time)) def parse_config(self): stream = open("config.yml", "r") config = yaml.load(stream) stream.close() aliases = config['aliases'] seen_files = {} file_lock = Lock("file") channel_id = 0 key_properties = {} for key in config['key_properties']: if key not in key_properties: key_properties[key] = { "actions": [], "properties": config['key_properties'][key], "files": [] } for mapped_key in config['keys']: if mapped_key not in key_properties: key_properties[mapped_key] = { "actions": [], "properties": {}, "files": [] } for action in config['keys'][mapped_key]: action_name = list(action)[0] action_args = {} if action[action_name] is None: action[action_name] = [] if 'include' in action[action_name]: included = action[action_name]['include'] del(action[action_name]['include']) if isinstance(included, str): action[action_name].update(aliases[included], **action[action_name]) else: for included_ in included: action[action_name].update(aliases[included_], **action[action_name]) for argument in action[action_name]: if argument == 'file': filename = action[action_name]['file'] if filename not in seen_files: if filename in config['music_properties']: seen_files[filename] = MusicFile( filename, file_lock, channel_id, **config['music_properties'][filename]) else: seen_files[filename] = MusicFile( filename, file_lock, channel_id) channel_id = channel_id + 1 if filename not in key_properties[mapped_key]['files']: key_properties[mapped_key]['files'].append(seen_files[filename]) action_args['music'] = seen_files[filename] else: action_args[argument] = action[action_name][argument] key_properties[mapped_key]['actions'].append([action_name, action_args]) return (key_properties, channel_id + 1, seen_files)