def __init__(self):
self.pipe = SomaTrackerViewerPipeline().getTrackerPipeline()
self.bus = self.pipe.get_bus()
self.bus.add_signal_watch()
self.bus.enable_sync_message_emission()
self.bus.connect("message", self.on_message)
self.bus.connect("sync-message::element", self.on_sync_message)
self.gladeFile = 'trackerViewer.glade'
windowName = "mainWindow"
self.wTree = gtk.glade.XML(self.gladeFile, windowName)
self.window = self.wTree.get_widget(windowName)
self.window.show()
if (self.window):
self.window.connect("destroy", self.quit)
dic = {
"on_thold_scale_value_changed" : self.thold_change,
"on_thold_lock_btn_toggled" : self.thold_lock_toggle,
"on_playpause_btn_toggled" : self.play_pause,
"on_reset_trail_btn_clicked" : self.reset_trail,
"on_pos_overlay_toggled" : self.overlay_toggled,
"on_enable_trail_toggled" : self.trail_toggled,
}
self.wTree.signal_autoconnect(dic)
dBus = dbus.SessionBus()
self.tracker = dBus.get_object('soma.tracker.TrackerCore', "/SomaTracker")
class TrackerViewer():
def __init__(self):
self.pipe = SomaTrackerViewerPipeline().getTrackerPipeline()
self.bus = self.pipe.get_bus()
self.bus.add_signal_watch()
self.bus.enable_sync_message_emission()
self.bus.connect("message", self.on_message)
self.bus.connect("sync-message::element", self.on_sync_message)
self.gladeFile = 'trackerViewer.glade'
windowName = "mainWindow"
self.wTree = gtk.glade.XML(self.gladeFile, windowName)
self.window = self.wTree.get_widget(windowName)
self.window.show()
if (self.window):
self.window.connect("destroy", self.quit)
dic = {
"on_thold_scale_value_changed" : self.thold_change,
"on_thold_lock_btn_toggled" : self.thold_lock_toggle,
"on_playpause_btn_toggled" : self.play_pause,
"on_reset_trail_btn_clicked" : self.reset_trail,
"on_pos_overlay_toggled" : self.overlay_toggled,
"on_enable_trail_toggled" : self.trail_toggled,
}
self.wTree.signal_autoconnect(dic)
dBus = dbus.SessionBus()
self.tracker = dBus.get_object('soma.tracker.TrackerCore', "/SomaTracker")
def on_message(self, bus, message):
# print message
return
def on_sync_message(self, bus, message):
if message.structure is None:
return
message_name = message.structure.get_name()
if message_name == "prepare-xwindow-id":
print "\tAsking for xwindow-id"
drawArea = self.wTree.get_widget("draw_area")
imagesink = message.src
imagesink.set_property("force-aspect-ratio", True)
imagesink.set_xwindow_id(drawArea.window.xid)
## --- GTK METHODS --- ##
def quit(self, *args):
print "Quitting, shutting down tracker-core"
self.tracker.kill_tracker_core()
gtk.main_quit(*args)
def thold_change(self, widget):
thold = widget.get_value()
print "New threshold selected:", thold
def thold_lock_toggle(self, widget):
print "Threshold Lock:", widget.get_active()
self.wTree.get_widget('thold_scale').set_sensitive(not(widget.get_active()))
def play_pause(self, widget):
active = widget.get_active()
print "Playing: ", active
if active:
widget.set_label("gtk-media-pause")
print "\tStarting VIEWER pipeline"
self.pipe.set_state(gst.STATE_PLAYING)
self.tracker.start_tracker()
else:
widget.set_label("gtk-media-play")
self.tracker.stop_tracker()
self.pipe.set_state(gst.STATE_NULL)
def reset_trail(self, widget):
print "Reset Trail overlay trail"
def overlay_toggled(self, widget):
active = widget.get_active()
print "Enable Overlay: ", active
self.wTree.get_widget('enable_trail').set_sensitive(active)
if not(active):
self.wTree.get_widget('reset_trail_btn').set_sensitive(active)
else:
self.wTree.get_widget('reset_trail_btn').set_sensitive(self.wTree.get_widget("enable_trail").get_active())
def trail_toggled(self, widget):
active = widget.get_active()
print "Enable Trails: ", active
self.wTree.get_widget('reset_trail_btn').set_sensitive(active)
