Remove from playlist

I can now remove songs from the playlist.

libsaria/sources/playlist.py

@@ -25,6 +25,10 @@ def add_id(id):
 		song_list.append(id)
 		song_set.add(id)
 
+def rm_id(id):
+	song_list.remove(id)
+	song_set.remove(id)
+
 def reset():
 	global song_list
 	global song_set

ocarina/playlist.py

@@ -18,6 +18,7 @@ def init():
 
 def filler():
 	plist_page.init(filter, is_visible, right_click, reset)
+	menu.add_plist_menu_item("Remove from playlist", rm_selected_from_playlist)
 	plist_page.fill(playlist.walk)
 
 def filter(text):
@@ -38,3 +39,8 @@ def refresh(*args):
 
 def right_click(button, time):
 	menu.make_plist_menu(button, time)
+
+def rm_selected_from_playlist(menu):
+	plist_page.for_each_selected(playlist.rm_id)
+	playlist.save()
+	refresh()