Add music pause and associated keypress. Use key events for pause and autoscroll

diff --git a/pygame-scroller.py b/pygame-scroller.py
index a773ac8..858917e 100755 (executable)
--- a/pygame-scroller.py
+++ b/pygame-scroller.py
@@ -14,6 +14,7 @@ class Channel:
  def __init__(self, volume=1.0, channel_id=0): 
   self.volume = int(volume*100)
   self.channel_id = 0
+  self.paused = False
   if channel_id == -1:
    self.channel_id = channel_id
    self.channel = None # flag to show this uses pygame.mixer.music 
@@ -55,6 +56,19 @@ class Channel:
   else:
    pygame.mixer.music.load(sound)
    pygame.mixer.music.play(loops)
+ def pause(self):
+  if self.paused:
+   self.paused = False
+   if self.channel == None:
+    pygame.mixer.music.unpause()
+   else:
+    self.channel.unpause()
+  else:
+   self.paused = True
+   if self.channel == None:
+    pygame.mixer.music.pause()
+   else:
+    self.channel.pause()
  def playlist(self, path):
   self.music_path = path
   self.playlist = [ f for f in os.listdir(self.music_path) if os.path.isfile(os.path.join(self.music_path, f)) ]
@@ -208,6 +222,11 @@ def main():
     k = event.key
     if k == pygame.K_p:
      time.sleep(10)
+    elif k == pygame.K_7:
+     myGame.soundtrack.pause()
+    elif k == pygame.K_l:
+     auto_scroll = True if auto_scroll == False else False
+
    if event.type == pygame.USEREVENT:
     if DEBUG: print("pygame.USEREVENT received; calling playlist_next()")
     myGame.soundtrack.playlist_next()
@@ -219,15 +238,13 @@ def main():
    if keys_pressed[pygame.K_6]:
     # volume down
     myGame.soundtrack.down()
-   elif keys_pressed[pygame.K_7]:
+   elif keys_pressed[pygame.K_8]:
     # volume up
     myGame.soundtrack.up()
    elif keys_pressed[pygame.K_d]:
     movement = stepping
    elif keys_pressed[pygame.K_a]:
     movement = -stepping
-   elif keys_pressed[pygame.K_l]:
-    auto_scroll = True if auto_scroll == False else False
 
  myGame.soundtrack.fadeout(5000)
  time.sleep(5)