music_sampler.py

   1 from kivy.app import App
   2 from kivy.uix.floatlayout import FloatLayout
   3 from kivy.uix.relativelayout import RelativeLayout
   4 from kivy.properties import ListProperty, StringProperty
   5 from kivy.clock import Clock
   6 from kivy.core.window import Window
   7
   8 from helpers.key import Key
   9 from helpers.mapping import Mapping
  10
  11 class PlayList(RelativeLayout):
  12     playlist = ListProperty([])
  13
  14     def __init__(self, **kwargs):
  15         super(PlayList, self).__init__(**kwargs)
  16         Clock.schedule_interval(self.update_playlist, 0.5)
  17
  18     def update_playlist(self, dt):
  19         if self.parent is None or 'Mapping' not in self.parent.ids:
  20             return True
  21
  22         open_files = self.parent.ids['Mapping'].open_files
  23         self.playlist = []
  24         for music_file in open_files.values():
  25             if not music_file.is_playing():
  26                 continue
  27             if music_file.is_paused():
  28                 self.playlist.append(["⏸", music_file.name, False])
  29             else:
  30                 self.playlist.append(["⏵", music_file.name, True])
  31
  32
  33 class ActionList(RelativeLayout):
  34     action_title = StringProperty("")
  35     action_list = ListProperty([])
  36
  37     def update_list(self, key, action_number = 0):
  38         self.action_title = "actions linked to key {}:".format(key.key_sym)
  39         self.action_list = []
  40
  41         action_descriptions = [action.description() for action in key.actions]
  42
  43         for index, description in enumerate(action_descriptions):
  44             if index < int(action_number):
  45                 icon = "✓"
  46             elif index + 0.5 == action_number:
  47                 icon = "✅"
  48             else:
  49                 icon = " "
  50
  51             self.action_list.append([icon, description])
  52
  53 class Screen(FloatLayout):
  54     pass
  55
  56 class MusicSamplerApp(App):
  57     def build(self):
  58         Window.size = (913, 563)
  59
  60         return Screen()
  61
  62 if __name__ == '__main__':
  63     MusicSamplerApp().run()