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1 | from kivy.uix.relativelayout import RelativeLayout | |
2 | from kivy.properties import NumericProperty | |
3 | from kivy.core.window import Window | |
4 | ||
5 | import threading | |
6 | import pygame | |
7 | import yaml | |
8 | ||
9 | from .lock import * | |
10 | from .music_file import * | |
11 | ||
12 | class Mapping(RelativeLayout): | |
13 | expected_keys = NumericProperty(0) | |
14 | ||
15 | def __init__(self, **kwargs): | |
16 | self.key_config, self.channel_number, self.open_files = self.parse_config() | |
17 | super(Mapping, self).__init__(**kwargs) | |
18 | self._keyboard = Window.request_keyboard(self._keyboard_closed, self) | |
19 | self._keyboard.bind(on_key_down=self._on_keyboard_down) | |
20 | self.running = [] | |
21 | ||
22 | ||
23 | pygame.mixer.init(frequency = 44100) | |
24 | pygame.mixer.set_num_channels(self.channel_number) | |
25 | ||
26 | def _keyboard_closed(self): | |
27 | self._keyboard.unbind(on_key_down=self._on_keyboard_down) | |
28 | self._keyboard = None | |
29 | ||
30 | def _on_keyboard_down(self, keyboard, keycode, text, modifiers): | |
31 | key = self.find_by_key_code(keycode) | |
32 | if key is not None: | |
33 | threading.Thread(name = "MSKeyAction", target=key.do_actions).start() | |
34 | return True | |
35 | ||
36 | def find_by_key_code(self, key_code): | |
37 | if "Key_" + str(key_code[0]) in self.ids: | |
38 | return self.ids["Key_" + str(key_code[0])] | |
39 | return None | |
40 | ||
41 | def find_by_unicode(self, key_sym): | |
42 | for key in self.children: | |
43 | if not type(key).__name__ == "Key": | |
44 | continue | |
45 | print(key.key_sym, key_sym) | |
46 | if key.key_sym == key_sym: | |
47 | print("found") | |
48 | return key | |
49 | return None | |
50 | ||
51 | def stop_all_running(self): | |
52 | self.running = [] | |
53 | ||
54 | def start_running(self, key, start_time): | |
55 | self.running.append((key, start_time)) | |
56 | ||
57 | def keep_running(self, key, start_time): | |
58 | return (key, start_time) in self.running | |
59 | ||
60 | def finished_running(self, key, start_time): | |
61 | if (key, start_time) in self.running: | |
62 | self.running.remove((key, start_time)) | |
63 | ||
64 | def parse_config(self): | |
65 | stream = open("config.yml", "r") | |
66 | config = yaml.load(stream) | |
67 | stream.close() | |
68 | ||
69 | aliases = config['aliases'] | |
70 | seen_files = {} | |
71 | ||
72 | file_lock = Lock("file") | |
73 | ||
74 | channel_id = 0 | |
75 | ||
76 | key_properties = {} | |
77 | ||
78 | for key in config['key_properties']: | |
79 | if key not in key_properties: | |
80 | key_properties[key] = { | |
81 | "actions": [], | |
82 | "properties": config['key_properties'][key], | |
83 | "files": [] | |
84 | } | |
85 | ||
86 | for mapped_key in config['keys']: | |
87 | if mapped_key not in key_properties: | |
88 | key_properties[mapped_key] = { | |
89 | "actions": [], | |
90 | "properties": {}, | |
91 | "files": [] | |
92 | } | |
93 | for action in config['keys'][mapped_key]: | |
94 | action_name = list(action)[0] | |
95 | action_args = {} | |
96 | if action[action_name] is None: | |
97 | action[action_name] = [] | |
98 | ||
99 | if 'include' in action[action_name]: | |
100 | included = action[action_name]['include'] | |
101 | del(action[action_name]['include']) | |
102 | ||
103 | if isinstance(included, str): | |
104 | action[action_name].update(aliases[included], **action[action_name]) | |
105 | else: | |
106 | for included_ in included: | |
107 | action[action_name].update(aliases[included_], **action[action_name]) | |
108 | ||
109 | for argument in action[action_name]: | |
110 | if argument == 'file': | |
111 | filename = action[action_name]['file'] | |
112 | if filename not in seen_files: | |
113 | if filename in config['music_properties']: | |
114 | seen_files[filename] = MusicFile( | |
115 | filename, | |
116 | file_lock, | |
117 | channel_id, | |
118 | **config['music_properties'][filename]) | |
119 | else: | |
120 | seen_files[filename] = MusicFile( | |
121 | filename, | |
122 | file_lock, | |
123 | channel_id) | |
124 | channel_id = channel_id + 1 | |
125 | ||
126 | if filename not in key_properties[mapped_key]['files']: | |
127 | key_properties[mapped_key]['files'].append(seen_files[filename]) | |
128 | ||
129 | action_args['music'] = seen_files[filename] | |
130 | ||
131 | else: | |
132 | action_args[argument] = action[action_name][argument] | |
133 | ||
134 | key_properties[mapped_key]['actions'].append([action_name, action_args]) | |
135 | ||
136 | return (key_properties, channel_id + 1, seen_files) | |
137 | ||
138 |