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