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#! /usr/bin/python
from gi.repository import GLib, GObject, Gio
from gi.repository import Dee
from gi.repository import Unity
# The Bus name of the lens, its id on dbus.
BUS_NAME = "net.launchpad.lens.sample"
class Daemon:
def __init__ (self):
### First, we need to define some constants
# The dbus path for the Lens (it *must* match the one in our .lens file)
self._lens = Unity.Lens.new ("/net/launchpad/lens/sample", "sample")
# The search hint in the search bar
self._lens.props.search_hint = "Search"
# Is the lens visible in the lens bar?
self._lens.props.visible = True;
# Is the lens visible in the Home Dash?
self._lens.props.search_in_global = True;
### Then, we populate the categories
cats = []
# A category is a display name, an icon and a renderer
cats.append (Unity.Category.new ("VERTICAL_TILE",Gio.ThemedIcon.new("..."),Unity.CategoryRenderer.VERTICAL_TILE))
cats.append (Unity.Category.new ("HORIZONTAL_TILE",Gio.ThemedIcon.new("..."),Unity.CategoryRenderer.HORIZONTAL_TILE))
self._lens.props.categories = cats
### Populate filters
filters = []
# A filter is an id, a display name, an icon (not displayed, so it's usually "None"), and a contracted state
f = Unity.RadioOptionFilter.new ("filter1", "RadioOption", None, False)
# Then we add options to the filter : an id, a display name and an icon.
f.add_option ("option1", "Option 1", None)
f.add_option ("option2", "Option 2", None)
f.add_option ("option3", "option 3", None)
filters.append (f)
f2 = Unity.CheckOptionFilter.new ("filter2", "CheckOption", None, False)
f2.add_option ("option1", "option 1", None)
f2.add_option ("option2", "option 2", None)
f2.add_option ("option3", "option 3", None)
filters.append (f2)
f3 = Unity.CheckOptionFilterCompact.new ("filter3", "CheckOptionCompact", None, False)
f3.add_option ("option1", "option 1", None)
f3.add_option ("option2", "option 2", None)
f3.add_option ("option3", "option 3", None)
filters.append (f3)
f4 = Unity.MultiRangeFilter.new ("filter4", "MultiRange", None, False)
f4.add_option ("option1", "option 1", None)
f4.add_option ("option2", "option 2", None)
f4.add_option ("option3", "option 3", None)
filters.append (f4)
f5 = Unity.RatingsFilter.new ("filter5", "Ratings", None, False)
filters.append (f5)
self._lens.props.filters = filters
# The lens in now ready
self._lens.export ();
if __name__ == "__main__":
session_bus_connection = Gio.bus_get_sync (Gio.BusType.SESSION, None)
session_bus = Gio.DBusProxy.new_sync (session_bus_connection, 0, None,
'org.freedesktop.DBus',
'/org/freedesktop/DBus',
'org.freedesktop.DBus', None)
result = session_bus.call_sync('RequestName',
GLib.Variant ("(su)", (BUS_NAME, 0x4)),
0, -1, None)
# Unpack variant response with signature "(u)". 1 means we got it.
result = result.unpack()[0]
if result != 1 :
print >> sys.stderr, "Failed to own name %s. Bailing out." % BUS_NAME
raise SystemExit (1)
daemon = Daemon()
GObject.MainLoop().run()
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