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from kivy.uix.relativelayout import RelativeLayout
from kivy.properties import NumericProperty, ListProperty
from kivy.core.window import Window
from kivy.clock import Clock
import threading
import yaml
import sys
from .music_file import MusicFile
from .mixer import Mixer
from . import Config, gain, error_print
from .action import Action
class Mapping(RelativeLayout):
expected_keys = NumericProperty(0)
master_volume = NumericProperty(100)
ready_color = ListProperty([1, 165/255, 0, 1])
def __init__(self, **kwargs):
if Config.builtin_mixing:
self.mixer = Mixer()
else:
self.mixer = None
try:
self.key_config, self.open_files = self.parse_config()
except Exception as e:
error_print("Error while loading configuration: {}".format(e))
sys.exit()
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 = []
self.wait_ids = {}
Clock.schedule_interval(self.not_all_keys_ready, 1)
@property
def master_gain(self):
return gain(self.master_volume)
def set_master_volume(self, value, delta=False, fade=0):
[db_gain, self.master_volume] = gain(
value + int(delta) * self.master_volume,
self.master_volume)
for music in self.open_files.values():
music.set_gain_with_effect(db_gain, fade=fade)
def add_wait_id(self, wait_id, action_or_wait):
self.wait_ids[wait_id] = action_or_wait
def interrupt_wait(self, wait_id):
if wait_id in self.wait_ids:
action_or_wait = self.wait_ids[wait_id]
del(self.wait_ids[wait_id])
if isinstance(action_or_wait, Action):
action_or_wait.interrupt()
else:
action_or_wait.set()
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 len(modifiers) == 0 and key is not None:
threading.Thread(name="MSKeyAction", target=key.run).start()
elif 'ctrl' in modifiers and (keycode[0] == 113 or keycode[0] == '99'):
for thread in threading.enumerate():
if thread.getName()[0:2] != "MS":
continue
thread.join()
sys.exit()
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 not_all_keys_ready(self, dt):
for key in self.children:
if not type(key).__name__ == "Key":
continue
if not key.is_loaded_or_failed():
return True
self.ready_color = [0, 1, 0, 1]
return False
def stop_all_running(self):
running = self.running
self.running = []
for (key, start_time) in running:
key.interrupt()
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_file, "r")
try:
config = yaml.load(stream)
except Exception as e:
error_print("Error while loading config file: {}".format(e))
sys.exit()
stream.close()
aliases = config['aliases']
seen_files = {}
key_properties = {}
for key in config['key_properties']:
if key not in key_properties:
key_prop = config['key_properties'][key]
if 'include' in key_prop:
included = key_prop['include']
del(key_prop['include'])
if isinstance(included, str):
key_prop.update(aliases[included], **key_prop)
else:
for included_ in included:
key_prop.update(aliases[included_], **key_prop)
key_properties[key] = {
"actions": [],
"properties": key_prop,
"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,
self,
**config['music_properties'][filename])
else:
seen_files[filename] = MusicFile(
filename,
self)
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, seen_files)
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