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1 | from kivy.uix.relativelayout import RelativeLayout | |
2 | from kivy.properties import NumericProperty, ListProperty | |
3 | from kivy.core.window import Window | |
4 | from kivy.clock import Clock | |
5 | ||
6 | import threading | |
7 | import yaml | |
8 | import sys | |
9 | ||
10 | from .music_file import * | |
11 | from .mixer import Mixer | |
12 | from . import Config, gain | |
13 | ||
14 | class Mapping(RelativeLayout): | |
15 | expected_keys = NumericProperty(0) | |
16 | master_volume = NumericProperty(100) | |
17 | ready_color = ListProperty([1, 165/255, 0, 1]) | |
18 | ||
19 | def __init__(self, **kwargs): | |
20 | self.mixer = Mixer() | |
21 | self.key_config, self.open_files = self.parse_config() | |
22 | super(Mapping, self).__init__(**kwargs) | |
23 | self._keyboard = Window.request_keyboard(self._keyboard_closed, self) | |
24 | self._keyboard.bind(on_key_down=self._on_keyboard_down) | |
25 | self.running = [] | |
26 | Clock.schedule_interval(self.not_all_keys_ready, 1) | |
27 | ||
28 | @property | |
29 | def master_gain(self): | |
30 | return gain(self.master_volume) | |
31 | ||
32 | def set_master_volume(self, value, delta = False): | |
33 | [db_gain, self.master_volume] = gain(value + int(delta) * self.master_volume, self.master_volume) | |
34 | for music in self.open_files.values(): | |
35 | music.set_gain(db_gain) | |
36 | ||
37 | def _keyboard_closed(self): | |
38 | self._keyboard.unbind(on_key_down=self._on_keyboard_down) | |
39 | self._keyboard = None | |
40 | ||
41 | def _on_keyboard_down(self, keyboard, keycode, text, modifiers): | |
42 | key = self.find_by_key_code(keycode) | |
43 | if len(modifiers) == 0 and key is not None: | |
44 | threading.Thread(name = "MSKeyAction", target=key.do_actions).start() | |
45 | elif 'ctrl' in modifiers and (keycode[0] == 113 or keycode[0] == '99'): | |
46 | for thread in threading.enumerate(): | |
47 | if thread.getName()[0:2] != "MS": | |
48 | continue | |
49 | thread.join() | |
50 | ||
51 | sys.exit() | |
52 | return True | |
53 | ||
54 | def find_by_key_code(self, key_code): | |
55 | if "Key_" + str(key_code[0]) in self.ids: | |
56 | return self.ids["Key_" + str(key_code[0])] | |
57 | return None | |
58 | ||
59 | def not_all_keys_ready(self, dt): | |
60 | for key in self.children: | |
61 | if not type(key).__name__ == "Key": | |
62 | continue | |
63 | if not key.is_key_ready: | |
64 | return True | |
65 | self.ready_color = [0, 1, 0, 1] | |
66 | return False | |
67 | ||
68 | def stop_all_running(self): | |
69 | running = self.running | |
70 | self.running = [] | |
71 | for (key, start_time) in running: | |
72 | key.interrupt_action() | |
73 | ||
74 | def start_running(self, key, start_time): | |
75 | self.running.append((key, start_time)) | |
76 | ||
77 | def keep_running(self, key, start_time): | |
78 | return (key, start_time) in self.running | |
79 | ||
80 | def finished_running(self, key, start_time): | |
81 | if (key, start_time) in self.running: | |
82 | self.running.remove((key, start_time)) | |
83 | ||
84 | def parse_config(self): | |
85 | stream = open(Config.yml_file, "r") | |
86 | config = yaml.load(stream) | |
87 | stream.close() | |
88 | ||
89 | aliases = config['aliases'] | |
90 | seen_files = {} | |
91 | ||
92 | key_properties = {} | |
93 | ||
94 | for key in config['key_properties']: | |
95 | if key not in key_properties: | |
96 | key_prop = config['key_properties'][key] | |
97 | if 'include' in key_prop: | |
98 | included = key_prop['include'] | |
99 | del(key_prop['include']) | |
100 | ||
101 | if isinstance(included, str): | |
102 | key_prop.update(aliases[included], **key_prop) | |
103 | else: | |
104 | for included_ in included: | |
105 | key_prop.update(aliases[included_], **key_prop) | |
106 | ||
107 | key_properties[key] = { | |
108 | "actions": [], | |
109 | "properties": key_prop, | |
110 | "files": [] | |
111 | } | |
112 | ||
113 | for mapped_key in config['keys']: | |
114 | if mapped_key not in key_properties: | |
115 | key_properties[mapped_key] = { | |
116 | "actions": [], | |
117 | "properties": {}, | |
118 | "files": [] | |
119 | } | |
120 | for action in config['keys'][mapped_key]: | |
121 | action_name = list(action)[0] | |
122 | action_args = {} | |
123 | if action[action_name] is None: | |
124 | action[action_name] = [] | |
125 | ||
126 | if 'include' in action[action_name]: | |
127 | included = action[action_name]['include'] | |
128 | del(action[action_name]['include']) | |
129 | ||
130 | if isinstance(included, str): | |
131 | action[action_name].update(aliases[included], **action[action_name]) | |
132 | else: | |
133 | for included_ in included: | |
134 | action[action_name].update(aliases[included_], **action[action_name]) | |
135 | ||
136 | for argument in action[action_name]: | |
137 | if argument == 'file': | |
138 | filename = action[action_name]['file'] | |
139 | if filename not in seen_files: | |
140 | if filename in config['music_properties']: | |
141 | seen_files[filename] = MusicFile( | |
142 | filename, | |
143 | self, | |
144 | **config['music_properties'][filename]) | |
145 | else: | |
146 | seen_files[filename] = MusicFile( | |
147 | self, | |
148 | filename) | |
149 | ||
150 | if filename not in key_properties[mapped_key]['files']: | |
151 | key_properties[mapped_key]['files'].append(seen_files[filename]) | |
152 | ||
153 | action_args['music'] = seen_files[filename] | |
154 | ||
155 | else: | |
156 | action_args[argument] = action[action_name][argument] | |
157 | ||
158 | key_properties[mapped_key]['actions'].append([action_name, action_args]) | |
159 | ||
160 | return (key_properties, seen_files) | |
161 | ||
162 |