Goto current song

There is no a button to scroll to the currently playing song.

ocarina/body.py

@@ -28,6 +28,9 @@ class Page(gtk.VBox):
 	def reset(self):
 		self.content.reset()
 
+	def goto(self):
+		self.content.goto()
+
 	def visible(self):
 		self.pack_start(page_header, False, False)
 		self.pack_start(self.content, True, True)
@@ -101,3 +104,8 @@ def cur_page_reset():
 	cur_num = body.get_current_page()
 	page = body.get_nth_page(cur_num)
 	page.reset()
+
+def cur_page_goto():
+	cur_num = body.get_current_page()
+	page = body.get_nth_page(cur_num)
+	page.goto()

ocarina/components/button.py

@@ -110,6 +110,13 @@ class ExportButton(Button):
 		from libsaria.path import backup
 		backup.backup()
 
+class GotoButton(Button):
+	def __init__(self):
+		Button.__init__(self, gtk.STOCK_INDEX, gtk.ICON_SIZE_BUTTON)
+	def clicked(self, button):
+		from ocarina import body
+		body.cur_page_goto()
+
 class RandomButton(gtk.ToggleButton):
 	def __init__(self):
 		gtk.ToggleButton.__init__(self)

ocarina/header.py

@@ -25,6 +25,7 @@ def init():
 
 	bar_add(entry.FilterEntry(), True, True)
 	bar_add(button.OpenButton())
+	bar_add(button.GotoButton())
 	bar_add(button.ExportButton())
 	bar_add(button.ClearButton())
 	bar_add(button.RandomButton())

ocarina/source.py

@@ -89,6 +89,16 @@ class ListView(gtk.TreeView):
 		self.set_model(self.filter_model)
 		self.thaw_child_notify()
 
+	def goto(self):
+		id = sources.cur_lib_id
+		for index, row in enumerate(self.filter_model):
+			if row[0] == id:
+				path = index - 10
+				if path < 0:
+					path = 0
+				self.scroll_to_cell(path, None, True, 0, 0)
+				self.set_cursor_on_cell(index, None, None, False)
+
 	def query_tooltip(self, widget, x, y, keyboard, tip):
 		row = self.get_dest_row_at_pos(x,y)
 		if row == None:
@@ -133,6 +143,7 @@ class Source(gtk.ScrolledWindow):
 		self.filter   = filter
 		self.reset    = reset
 		self.clear    = self.list.clear
+		self.goto     = self.list.goto
 		self.for_each_selected = self.list.for_each_selected
 
 	def fill(self, walk_func):