music_sampler.py

   1 import kivy
   2 kivy.require("1.9.1")
   3 from kivy.app import App
   4 from kivy.uix.floatlayout import FloatLayout
   5 from kivy.uix.relativelayout import RelativeLayout
   6 from kivy.properties import ListProperty, StringProperty
   7 from kivy.clock import Clock
   8 from kivy.core.window import Window
   9 from kivy.lang import Builder
  10 from helpers.key import Key
  11 from helpers.mapping import Mapping
  12 import helpers
  13
  14 class PlayList(RelativeLayout):
  15     playlist = ListProperty([])
  16
  17     def __init__(self, **kwargs):
  18         super(PlayList, self).__init__(**kwargs)
  19         Clock.schedule_interval(self.update_playlist, 0.5)
  20
  21     def update_playlist(self, dt):
  22         if self.parent is None or 'Mapping' not in self.parent.ids:
  23             return True
  24
  25         open_files = self.parent.ids['Mapping'].open_files
  26         self.playlist = []
  27         for music_file in open_files.values():
  28             if not music_file.is_playing():
  29                 continue
  30             if music_file.is_paused():
  31                 self.playlist.append(["⏸", music_file.name, False])
  32             else:
  33                 self.playlist.append(["⏵", music_file.name, True])
  34
  35
  36 class ActionList(RelativeLayout):
  37     action_title = StringProperty("")
  38     action_list = ListProperty([])
  39
  40     def update_list(self, key, action_number = 0):
  41         self.action_title = "actions linked to key {}:".format(key.key_sym)
  42         self.action_list = []
  43
  44         action_descriptions = [action.description() for action in key.actions]
  45
  46         for index, description in enumerate(action_descriptions):
  47             if index < int(action_number):
  48                 icon = "✓"
  49             elif index + 0.5 == action_number:
  50                 icon = "✅"
  51             else:
  52                 icon = " "
  53
  54             self.action_list.append([icon, description])
  55
  56 class Screen(FloatLayout):
  57     pass
  58
  59 class MusicSamplerApp(App):
  60     def build(self):
  61         Window.size = (913, 563)
  62
  63         return Screen()
  64
  65 if __name__ == '__main__':
  66     Builder.load_file(helpers.path() + "/music_sampler.kv")
  67     MusicSamplerApp().run()