Progress bar tooltip

The tooltip shows the time corresponding to the mouse location on the
widget.

libsaria/audio/__init__.py

@@ -75,3 +75,15 @@ def get_time():
 	time = time.rsplit('.', 1)[0]
 	time = time.split(':', 1)[1]
 	return time
+
+
+def get_time_at(prcnt):
+	duration = audio.duration()
+	if duration == 0:
+		return "00:00"
+	pos  = duration * prcnt
+	pos /= 1000
+	time = str(tdelta(microseconds=pos))
+	time = time.rsplit('.', 1)[0]
+	time = time.split(':', 1)[1]
+	return time

ocarina/components/pbar.py

@@ -5,13 +5,16 @@ gtk      = ocarina.gtk
 gobject  = ocarina.gobject
 update   = None
 seek     = None
+time_at  = None
 
 def set_fns():
 	global update
 	global get_time
 	global seek
+	global time_at
 	update   = ocarina.libsaria.audio.get_progress
 	seek     = ocarina.libsaria.audio.seek
+	time_at  = ocarina.libsaria.audio.get_time_at
 ocarina.libsaria.event.invite("POSTSTART", set_fns)
 
 
@@ -25,6 +28,7 @@ class PBar(gtk.HScale):
 		self.set_range(0, 101)
 		self.set_update_policy(gtk.UPDATE_DISCONTINUOUS)
 		self.connect("change-value", self.change_value)
+		self.connect("motion-notify-event", self.mouse_motion)
 		gobject.timeout_add(500, self.update)
 		self.show()
 
@@ -36,3 +40,9 @@ class PBar(gtk.HScale):
 	def change_value(self, scale, type, value):
 		global seek
 		seek(value / 100.0)
+
+	def mouse_motion(self, widget, event):
+		alloc = self.get_allocation()
+		prcnt = event.x / float(alloc.width)
+		self.set_tooltip_text(time_at(prcnt))
+		print widget, event, alloc.width