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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, error_print | |
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 | if Config.builtin_mixing: | |
21 | self.mixer = Mixer() | |
22 | else: | |
23 | self.mixer = None | |
24 | self.key_config, self.open_files = self.parse_config() | |
25 | super(Mapping, self).__init__(**kwargs) | |
26 | self._keyboard = Window.request_keyboard(self._keyboard_closed, self) | |
27 | self._keyboard.bind(on_key_down=self._on_keyboard_down) | |
28 | self.running = [] | |
29 | Clock.schedule_interval(self.not_all_keys_ready, 1) | |
30 | ||
31 | @property | |
32 | def master_gain(self): | |
33 | return gain(self.master_volume) | |
34 | ||
35 | def set_master_volume(self, value, delta=False): | |
36 | [db_gain, self.master_volume] = gain( | |
37 | value + int(delta) * self.master_volume, | |
38 | self.master_volume) | |
39 | ||
40 | for music in self.open_files.values(): | |
41 | music.set_gain(db_gain) | |
42 | ||
43 | def _keyboard_closed(self): | |
44 | self._keyboard.unbind(on_key_down=self._on_keyboard_down) | |
45 | self._keyboard = None | |
46 | ||
47 | def _on_keyboard_down(self, keyboard, keycode, text, modifiers): | |
48 | key = self.find_by_key_code(keycode) | |
49 | if len(modifiers) == 0 and key is not None: | |
50 | threading.Thread(name="MSKeyAction", target=key.do_actions).start() | |
51 | elif 'ctrl' in modifiers and (keycode[0] == 113 or keycode[0] == '99'): | |
52 | for thread in threading.enumerate(): | |
53 | if thread.getName()[0:2] != "MS": | |
54 | continue | |
55 | thread.join() | |
56 | ||
57 | sys.exit() | |
58 | return True | |
59 | ||
60 | def find_by_key_code(self, key_code): | |
61 | if "Key_" + str(key_code[0]) in self.ids: | |
62 | return self.ids["Key_" + str(key_code[0])] | |
63 | return None | |
64 | ||
65 | def not_all_keys_ready(self, dt): | |
66 | for key in self.children: | |
67 | if not type(key).__name__ == "Key": | |
68 | continue | |
69 | if not key.is_key_ready: | |
70 | return True | |
71 | self.ready_color = [0, 1, 0, 1] | |
72 | return False | |
73 | ||
74 | def stop_all_running(self): | |
75 | running = self.running | |
76 | self.running = [] | |
77 | for (key, start_time) in running: | |
78 | key.interrupt_action() | |
79 | ||
80 | def start_running(self, key, start_time): | |
81 | self.running.append((key, start_time)) | |
82 | ||
83 | def keep_running(self, key, start_time): | |
84 | return (key, start_time) in self.running | |
85 | ||
86 | def finished_running(self, key, start_time): | |
87 | if (key, start_time) in self.running: | |
88 | self.running.remove((key, start_time)) | |
89 | ||
90 | def parse_config(self): | |
91 | stream = open(Config.yml_file, "r") | |
92 | try: | |
93 | config = yaml.load(stream) | |
94 | except yaml.scanner.ScannerError as e: | |
95 | error_print("Error while loading config file: {}".format(e)) | |
96 | sys.exit() | |
97 | stream.close() | |
98 | ||
99 | aliases = config['aliases'] | |
100 | seen_files = {} | |
101 | ||
102 | key_properties = {} | |
103 | ||
104 | for key in config['key_properties']: | |
105 | if key not in key_properties: | |
106 | key_prop = config['key_properties'][key] | |
107 | if 'include' in key_prop: | |
108 | included = key_prop['include'] | |
109 | del(key_prop['include']) | |
110 | ||
111 | if isinstance(included, str): | |
112 | key_prop.update(aliases[included], **key_prop) | |
113 | else: | |
114 | for included_ in included: | |
115 | key_prop.update(aliases[included_], **key_prop) | |
116 | ||
117 | key_properties[key] = { | |
118 | "actions": [], | |
119 | "properties": key_prop, | |
120 | "files": [] | |
121 | } | |
122 | ||
123 | for mapped_key in config['keys']: | |
124 | if mapped_key not in key_properties: | |
125 | key_properties[mapped_key] = { | |
126 | "actions": [], | |
127 | "properties": {}, | |
128 | "files": [] | |
129 | } | |
130 | for action in config['keys'][mapped_key]: | |
131 | action_name = list(action)[0] | |
132 | action_args = {} | |
133 | if action[action_name] is None: | |
134 | action[action_name] = [] | |
135 | ||
136 | if 'include' in action[action_name]: | |
137 | included = action[action_name]['include'] | |
138 | del(action[action_name]['include']) | |
139 | ||
140 | if isinstance(included, str): | |
141 | action[action_name].update( | |
142 | aliases[included], | |
143 | **action[action_name]) | |
144 | else: | |
145 | for included_ in included: | |
146 | action[action_name].update( | |
147 | aliases[included_], | |
148 | **action[action_name]) | |
149 | ||
150 | for argument in action[action_name]: | |
151 | if argument == 'file': | |
152 | filename = action[action_name]['file'] | |
153 | if filename not in seen_files: | |
154 | if filename in config['music_properties']: | |
155 | seen_files[filename] = MusicFile( | |
156 | filename, | |
157 | self, | |
158 | **config['music_properties'][filename]) | |
159 | else: | |
160 | seen_files[filename] = MusicFile( | |
161 | self, | |
162 | filename) | |
163 | ||
164 | if filename not in key_properties[mapped_key]['files']: | |
165 | key_properties[mapped_key]['files'] \ | |
166 | .append(seen_files[filename]) | |
167 | ||
168 | action_args['music'] = seen_files[filename] | |
169 | ||
170 | else: | |
171 | action_args[argument] = action[action_name][argument] | |
172 | ||
173 | key_properties[mapped_key]['actions'] \ | |
174 | .append([action_name, action_args]) | |
175 | ||
176 | return (key_properties, seen_files) | |
177 | ||
178 |