Select and goto song improvements

When we select a song through the gui, we should call either the
playlist or library play_id() function for appropriate bookkeeping.

Additionally, on startup we seek to sources.cur_lib_id

ocarina/library.py

@@ -20,9 +20,10 @@ def init():
 	libsaria.event.invite("POSTNEWSOURCE", refresh)
 
 def filler():
-	lib_page.init(filter, is_visible, right_click, reset)
+	lib_page.init(filter, is_visible, right_click, library.play_id, reset)
 	menu.add_lib_menu_item("Add to playlist", add_selected_to_playlist)
 	lib_page.fill(library.walk)
+	lib_page.goto()
 
 def filter(text):
 	library.filter(text)

ocarina/playlist.py

@@ -17,9 +17,10 @@ def init():
 	playlist.load_bg(filler)
 
 def filler():
-	plist_page.init(filter, is_visible, right_click, reset)
+	plist_page.init(filter, is_visible, right_click, playlist.play_id, reset)
 	menu.add_plist_menu_item("Remove from playlist", rm_selected_from_playlist)
 	plist_page.fill(playlist.walk)
+	plist_page.goto()
 
 def filter(text):
 	playlist.filter(text)

ocarina/source.py

@@ -36,7 +36,7 @@ class List(gtk.ListStore):
 
 
 class ListView(gtk.TreeView):
-	def __init__(self, is_visible, right_click):
+	def __init__(self, is_visible, right_click, play_id):
 		gtk.TreeView.__init__(self)
 		self.list = List()
 		event.invite("POSTLOAD", self.goto)
@@ -63,6 +63,7 @@ class ListView(gtk.TreeView):
 		self.refilter    = self.filter_model.refilter
 		self.clear       = self.list.clear
 		self.right_click = right_click
+		self.play_id     = play_id
 
 		self.show_all()
 
@@ -74,7 +75,7 @@ class ListView(gtk.TreeView):
 		model = self.get_model()
 		iter  = model.get_iter(path)
 		row   = model[iter]
-		sources.play_selected_id(row[0])
+		self.play_id(row[0])
 
 	def for_each_selected(self, func):
 		filter = self.filter_model
@@ -138,8 +139,8 @@ class Source(gtk.ScrolledWindow):
 		self.filter = None
 		self.show()
 
-	def init(self, filter, is_visible, right_click, reset):
-		self.list = ListView(is_visible, right_click)
+	def init(self, filter, is_visible, right_click, play_id, reset):
+		self.list = ListView(is_visible, right_click, play_id)
 		self.add(self.list)
 
 		self.refilter = self.list.refilter