sugar-toolkit-gtk3/shell/home/HomeView.py

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import gtk
import goocanvas
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import wnck
from sugar.canvas.IconItem import IconItem
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from sugar.canvas.DonutItem import DonutItem
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from sugar.canvas.DonutItem import PieceItem
from sugar.canvas.DonutItem import PieceIcon
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class TasksItem(DonutItem):
def __init__(self, shell):
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DonutItem.__init__(self, 250)
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self._items = {}
shell.connect('activity_opened', self.__activity_opened_cb)
shell.connect('activity_closed', self.__activity_closed_cb)
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def __activity_opened_cb(self, shell, activity):
self._add(activity)
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def __activity_closed_cb(self, shell, activity):
self._remove(activity)
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def _remove(self, activity):
item = self._items[activity.get_id()]
self.remove_piece(item)
del self._items[activity.get_id()]
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def _add(self, activity):
icon_name = activity.get_icon_name()
item = self.add_piece(100 / 8, icon_name, 'blue')
# FIXME This really sucks. Fix goocanvas event handling.
item.set_data('activity', activity)
item.get_icon().set_data('activity', activity)
self._items[activity.get_id()] = item
class ActivityItem(IconItem):
ICON_SIZE = 30
def __init__(self, activity):
IconItem.__init__(self, activity.get_icon(), 'white',
ActivityItem.ICON_SIZE)
self._activity = activity
def get_activity_id(self):
return self._activity.get_id()
class ActivityBar(goocanvas.Group):
def __init__(self, shell):
goocanvas.Group.__init__(self)
self._shell = shell
registry = shell.get_registry()
for activity in registry.list_activities():
if activity.get_show_launcher():
self.add_activity(activity)
def add_activity(self, activity):
item = ActivityItem(activity)
x = (ActivityItem.ICON_SIZE + 6) * self.get_n_children()
item.set_property('x', x)
self.add_child(item)
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class Background(goocanvas.Group):
def __init__(self):
goocanvas.Group.__init__(self)
item = goocanvas.Rect(width=1200, height=900,
fill_color="#4f4f4f")
self.add_child(item)
item = goocanvas.Rect(x=50, y=50, width=1100, height=800,
line_width=0, fill_color="#d8d8d8",
radius_x=30, radius_y=30)
self.add_child(item)
item = goocanvas.Text(text="My Activities",
x=60, y=10, fill_color="white",
font="Sans 21")
self.add_child(item)
class Model(goocanvas.CanvasModelSimple):
def __init__(self, shell):
goocanvas.CanvasModelSimple.__init__(self)
root = self.get_root_item()
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background = Background()
root.add_child(background)
activity_bar = ActivityBar(shell)
activity_bar.translate(50, 860)
root.add_child(activity_bar)
tasks = TasksItem(shell)
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tasks.translate(600, 450)
root.add_child(tasks)
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class HomeView(goocanvas.CanvasView):
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def __init__(self, shell):
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goocanvas.CanvasView.__init__(self)
self._shell = shell
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self.connect("item_view_created", self.__item_view_created_cb)
canvas_model = Model(shell)
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self.set_model(canvas_model)
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())
elif isinstance(item, PieceItem) or \
isinstance(item, PieceIcon):
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item_view.connect("button_press_event",
self.__task_button_press_cb)
def __activity_button_press_cb(self, view, target, event, activity_id):
self._shell.start_activity(activity_id)
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def __task_button_press_cb(self, view, target, event):
activity = view.get_item().get_data('activity')
activity.present()