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