sugar-toolkit-gtk3/shell/panel/VerbsPanel.py

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import gtk
import goocanvas
from sugar.canvas.IconItem import IconItem
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from sugar.canvas.IconColor import IconColor
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from sugar import conf
from panel.Panel import Panel
import logging
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class ActivityItem(IconItem):
def __init__(self, activity, size):
icon_name = activity.get_icon()
if not icon_name:
act_type = activity.get_default_type()
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raise RuntimeError("Activity %s did not have an icon!" % act_type)
IconItem.__init__(self, icon_name=icon_name,
color=IconColor('white'), size=size)
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self._activity = activity
def get_activity_id(self):
return self._activity.get_id()
class ActivityBar(goocanvas.Group):
def __init__(self, shell, height):
goocanvas.Group.__init__(self)
self._shell = shell
self._height = height
registry = conf.get_activity_registry()
for activity in registry.list_activities():
if activity.get_show_launcher():
self.add_activity(activity)
def add_activity(self, activity):
# Need an icon to show up on the bar
if not activity.get_icon():
name = activity.get_name()
logging.info("Activity %s did not have an icon. Won't show it." % name)
return
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item = ActivityItem(activity, self._height)
icon_size = self._height
x = (icon_size + 6) * self.get_n_children()
item.set_property('x', x)
self.add_child(item)
class VerbsPanel(Panel):
def __init__(self, shell):
Panel.__init__(self)
self._shell = shell
view = self.get_view()
view.connect("item_view_created", self.__item_view_created_cb)
def construct(self):
Panel.construct(self)
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root = self.get_root()
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activity_bar = ActivityBar(self._shell, self.get_height())
root.add_child(activity_bar)
def __item_view_created_cb(self, view, item_view, item):
if isinstance(item, ActivityItem):
item_view.connect("button_press_event",
self.__activity_button_press_cb,
item.get_activity_id())
def __activity_button_press_cb(self, view, target, event, activity_id):
self._shell.start_activity(activity_id)