music_sampler.py

   1 import music_sampler
   2
   3 music_sampler.parse_args()
   4
   5 import kivy
   6 kivy.require("1.9.1")
   7 from kivy.app import App
   8 from kivy.uix.floatlayout import FloatLayout
   9 from kivy.uix.relativelayout import RelativeLayout
  10 from kivy.properties import ListProperty, StringProperty
  11 from kivy.clock import Clock
  12 from kivy.core.window import Window
  13 from kivy.lang import Builder
  14 from music_sampler.key import Key
  15 from music_sampler.mapping import Mapping
  16
  17 music_sampler.register_fonts()
  18
  19 class KeyList(RelativeLayout):
  20     keylist = ListProperty([])
  21     first_key = StringProperty("")
  22     second_key = StringProperty("")
  23     third_key = StringProperty("")
  24
  25     def append(self, value):
  26         self.keylist.insert(0, value)
  27
  28     def on_keylist(self, instance, new_key_list):
  29         if len(self.keylist) > 0:
  30             self.first_key  = self.keylist[0]
  31         if len(self.keylist) > 1:
  32             self.second_key = self.keylist[1]
  33         if len(self.keylist) > 2:
  34             self.third_key  = self.keylist[2]
  35
  36 class PlayList(RelativeLayout):
  37     playlist = ListProperty([])
  38
  39     def __init__(self, **kwargs):
  40         super(PlayList, self).__init__(**kwargs)
  41         Clock.schedule_interval(self.update_playlist, 0.5)
  42
  43     def update_playlist(self, dt):
  44         if self.parent is None or 'Mapping' not in self.parent.ids:
  45             return True
  46
  47         open_files = self.parent.ids['Mapping'].open_files
  48         self.playlist = []
  49         for music_file in open_files.values():
  50             if not music_file.is_in_use():
  51                 continue
  52
  53             text = "{}/{}".format(
  54                     music_sampler.duration_to_min_sec(music_file.sound_position),
  55                     music_sampler.duration_to_min_sec(music_file.sound_duration))
  56
  57             if music_file.is_loaded_paused():
  58                 self.playlist.append(["⏸", music_file.name, text, False])
  59             else:
  60                 self.playlist.append(["⏵", music_file.name, text, True])
  61
  62
  63 class ActionList(RelativeLayout):
  64     action_title = StringProperty("")
  65     action_list = ListProperty([])
  66
  67     def update_list(self, key, action_descriptions):
  68         self.action_title = "actions linked to key {}:".format(key.key_sym)
  69         self.action_list = []
  70
  71         for [action, status] in action_descriptions:
  72             if status == "done":
  73                 icon = "✓"
  74             elif status == "current":
  75                 icon = "✅"
  76             else:
  77                 icon = " "
  78             self.action_list.append([icon, action])
  79
  80 class Screen(FloatLayout):
  81     pass
  82
  83 class MusicSamplerApp(App):
  84     def build(self):
  85         Window.size = (913, 563)
  86
  87         return Screen()
  88
  89 if __name__ == '__main__':
  90     Builder.load_file(music_sampler.path() + "/music_sampler.kv")
  91     MusicSamplerApp().run()