]>
git.immae.eu Git - perso/Immae/Projets/Python/MusicSampler.git/blob - helpers/mapping.py
1 from kivy
.uix
.relativelayout
import RelativeLayout
2 from kivy
.properties
import NumericProperty
, ListProperty
, StringProperty
3 from kivy
.core
.window
import Window
4 from kivy
.clock
import Clock
9 from collections
import defaultdict
11 from transitions
.extensions
import HierarchicalMachine
as Machine
13 from .music_file
import MusicFile
14 from .mixer
import Mixer
15 from . import Config
, gain
, error_print
, warn_print
16 from .action
import Action
18 class Mapping(RelativeLayout
):
30 'trigger': 'configure',
36 'source': 'configuring',
41 'source': 'configuring',
47 'source': 'configured',
67 master_volume
= NumericProperty(100)
68 ready_color
= ListProperty([1, 165/255, 0, 1])
69 state
= StringProperty("")
71 def __init__(self
, **kwargs
):
77 Machine(model
=self
, states
=self
.STATES
,
78 transitions
=self
.TRANSITIONS
, initial
='initial',
79 ignore_invalid_triggers
=True, queued
=True)
80 super(Mapping
, self
).__init
__(**kwargs
)
81 self
.keyboard
= Window
.request_keyboard(self
.on_keyboard_closed
, self
)
82 self
.keyboard
.bind(on_key_down
=self
.on_keyboard_down
)
86 def on_enter_configuring(self
):
87 if Config
.builtin_mixing
:
93 self
.key_config
, self
.open_files
= self
.parse_config()
94 except Exception as e
:
95 error_print("Error while loading configuration: {}".format(e
),
101 def on_enter_loading(self
):
102 for key
in self
.keys
:
107 def add_widget(self
, widget
, index
=0):
108 if type(widget
).__name
__ == "Key" and widget
not in self
.keys
:
109 self
.keys
.append(widget
)
110 return super(Mapping
, self
).add_widget(widget
, index
)
112 def remove_widget(self
, widget
, index
=0):
113 if type(widget
).__name
__ == "Key" and widget
in self
.keys
:
114 self
.keys
.remove(widget
)
115 return super(Mapping
, self
).remove_widget(widget
, index
)
117 def on_keyboard_closed(self
):
118 self
.keyboard
.unbind(on_key_down
=self
.on_keyboard_down
)
121 def on_keyboard_down(self
, keyboard
, keycode
, text
, modifiers
):
122 key
= self
.find_by_key_code(keycode
)
123 if self
.allowed_modifiers(modifiers
) and key
is not None:
125 threading
.Thread(name
="MSKeyAction", target
=key
.run
,
126 args
=['-'.join(modifiers
)]).start()
127 elif 'ctrl' in modifiers
and (keycode
[0] == 113 or keycode
[0] == '99'):
128 self
.stop_all_running()
129 for thread
in threading
.enumerate():
130 if thread
.getName()[0:2] != "MS":
135 elif 'ctrl' in modifiers
and keycode
[0] == 114:
136 threading
.Thread(name
="MSReload", target
=self
.reload).start()
140 def allowed_modifiers(self
, modifiers
):
142 return len([a
for a
in modifiers
if a
not in allowed
]) == 0
144 def find_by_key_code(self
, key_code
):
145 if "Key_" + str(key_code
[0]) in self
.ids
:
146 return self
.ids
["Key_" + str(key_code
[0])]
149 def all_keys_ready(self
):
151 for key
in self
.keys
:
152 if not key
.is_loaded_or_failed():
154 partial
= partial
or key
.is_failed()
162 def key_loaded_callback(self
):
163 result
= self
.all_keys_ready()
164 if result
== "success":
165 self
.ready_color
= [0, 1, 0, 1]
166 elif result
== "partial":
167 self
.ready_color
= [1, 0, 0, 1]
169 self
.ready_color
= [1, 165/255, 0, 1]
171 ## Some global actions
172 def stop_all_running(self
):
173 running
= self
.running
175 for (key
, start_time
) in running
:
178 # Master volume methods
180 def master_gain(self
):
181 return gain(self
.master_volume
)
183 def set_master_volume(self
, value
, delta
=False, fade
=0):
184 [db_gain
, self
.master_volume
] = gain(
185 value
+ int(delta
) * self
.master_volume
,
188 for music
in self
.open_files
.values():
189 music
.set_gain_with_effect(db_gain
, fade
=fade
)
191 # Wait handler methods
192 def add_wait_id(self
, wait_id
, action_or_wait
):
193 self
.wait_ids
[wait_id
] = action_or_wait
195 def interrupt_wait(self
, wait_id
):
196 if wait_id
in self
.wait_ids
:
197 action_or_wait
= self
.wait_ids
[wait_id
]
198 del(self
.wait_ids
[wait_id
])
199 if isinstance(action_or_wait
, Action
):
200 action_or_wait
.interrupt()
204 # Methods to control running keys
205 def start_running(self
, key
, start_time
):
206 self
.running
.append((key
, start_time
))
208 def keep_running(self
, key
, start_time
):
209 return (key
, start_time
) in self
.running
211 def finished_running(self
, key
, start_time
):
212 if (key
, start_time
) in self
.running
:
213 self
.running
.remove((key
, start_time
))
216 def parse_config(self
):
217 def update_alias(prop_hash
, aliases
, key
):
218 if isinstance(aliases
[key
], dict):
219 prop_hash
.update(aliases
[key
], **prop_hash
)
221 warn_print("Alias {} is not a hash, ignored".format(key
))
223 def include_aliases(prop_hash
, aliases
):
224 if 'include' not in prop_hash
:
227 included
= prop_hash
['include']
228 del(prop_hash
['include'])
229 if isinstance(included
, str):
230 update_alias(prop_hash
, aliases
, included
)
231 elif isinstance(included
, list):
232 for included_
in included
:
233 if isinstance(included_
, str):
234 update_alias(prop_hash
, aliases
, included_
)
236 warn_print("Unkown alias include type, ignored: "
237 "{} in {}".format(included_
, included
))
239 warn_print("Unkown alias include type, ignored: {}"
242 def check_key_property(key_property
, key
):
243 if 'description' in key_property
:
244 desc
= key_property
['description']
245 if not isinstance(desc
, list):
246 warn_print("description in key_property '{}' is not "
247 "a list, ignored".format(key
))
248 del(key_property
['description'])
249 if 'color' in key_property
:
250 color
= key_property
['color']
251 if not isinstance(color
, list)\
253 or not all(isinstance(item
, int) for item
in color
)\
254 or any(item
< 0 or item
> 255 for item
in color
):
255 warn_print("color in key_property '{}' is not "
256 "a list of 3 valid integers, ignored".format(key
))
257 del(key_property
['color'])
259 def check_key_properties(config
):
260 if 'key_properties' in config
:
261 if isinstance(config
['key_properties'], dict):
262 return config
['key_properties']
264 warn_print("key_properties config is not a hash, ignored")
269 def check_mapped_keys(config
):
271 if isinstance(config
['keys'], dict):
272 return config
['keys']
274 warn_print("keys config is not a hash, ignored")
279 def check_mapped_key(mapped_keys
, key
):
280 if not isinstance(mapped_keys
[key
], list):
281 warn_print("key config '{}' is not an array, ignored"
285 return mapped_keys
[key
]
287 def check_music_property(music_property
, filename
):
288 if not isinstance(music_property
, dict):
289 warn_print("music_property config '{}' is not a hash, ignored"
292 if 'name' in music_property
:
293 music_property
['name'] = str(music_property
['name'])
294 if 'gain' in music_property
:
296 music_property
['gain'] = float(music_property
['gain'])
297 except ValueError as e
:
298 del(music_property
['gain'])
299 warn_print("gain for music_property '{}' is not "
300 "a float, ignored".format(filename
))
301 return music_property
303 stream
= open(Config
.yml_file
, "r")
305 config
= yaml
.safe_load(stream
)
306 except Exception as e
:
307 error_print("Error while loading config file: {}".format(e
))
311 if not isinstance(config
, dict):
312 raise Exception("Top level config is supposed to be a hash")
314 if 'aliases' in config
and isinstance(config
['aliases'], dict):
315 aliases
= config
['aliases']
317 aliases
= defaultdict(dict)
318 if 'aliases' in config
:
319 warn_print("aliases config is not a hash, ignored")
321 music_properties
= defaultdict(dict)
322 if 'music_properties' in config
and\
323 isinstance(config
['music_properties'], dict):
324 music_properties
.update(config
['music_properties'])
325 elif 'music_properties' in config
:
326 warn_print("music_properties config is not a hash, ignored")
330 key_properties
= defaultdict(lambda: {
336 for key
in check_key_properties(config
):
337 key_prop
= config
['key_properties'][key
]
339 if not isinstance(key_prop
, dict):
340 warn_print("key_property '{}' is not a hash, ignored"
344 include_aliases(key_prop
, aliases
)
345 check_key_property(key_prop
, key
)
347 key_properties
[key
]["properties"] = key_prop
349 for mapped_key
in check_mapped_keys(config
):
350 for index
, action
in enumerate(check_mapped_key(
351 config
['keys'], mapped_key
)):
352 if not isinstance(action
, dict) or\
353 not len(action
) == 1 or\
354 not isinstance(list(action
.values())[0] or {}, dict):
355 warn_print("action number {} of key '{}' is invalid, "
356 "ignored".format(index
+ 1, mapped_key
))
359 action_name
= list(action
)[0]
361 if action
[action_name
] is None:
362 action
[action_name
] = {}
364 include_aliases(action
[action_name
], aliases
)
366 for argument
in action
[action_name
]:
367 if argument
== 'file':
368 filename
= str(action
[action_name
]['file'])
369 if filename
not in seen_files
:
370 music_property
= check_music_property(
371 music_properties
[filename
],
374 if filename
in self
.open_files
:
375 self
.open_files
[filename
]\
376 .reload_properties(**music_property
)
378 seen_files
[filename
] = self
.open_files
[filename
]
380 seen_files
[filename
] = MusicFile(
381 filename
, self
, **music_property
)
383 if filename
not in key_properties
[mapped_key
]['files']:
384 key_properties
[mapped_key
]['files'] \
385 .append(seen_files
[filename
])
387 action_args
['music'] = seen_files
[filename
]
389 action_args
[argument
] = action
[action_name
][argument
]
391 key_properties
[mapped_key
]['actions'] \
392 .append([action_name
, action_args
])
394 return (key_properties
, seen_files
)