sugar-toolkit-gtk3/shell/view/home/HomeWindow.py

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# Copyright (C) 2006-2007 Red Hat, Inc.
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#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
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# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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import gtk
import hippo
import cairo
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from sugar.graphics import style
from view.home.MeshBox import MeshBox
from view.home.HomeBox import HomeBox
from view.home.FriendsBox import FriendsBox
from view.home.transitionbox import TransitionBox
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from model.shellmodel import ShellModel
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_HOME_PAGE = 0
_FRIENDS_PAGE = 1
_MESH_PAGE = 2
_TRANSITION_PAGE = 3
class HomeWindow(gtk.Window):
def __init__(self, shell):
gtk.Window.__init__(self)
self._shell = shell
self._active = False
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self._level = ShellModel.ZOOM_HOME
self._canvas = hippo.Canvas()
self.add(self._canvas)
self._canvas.show()
self.set_default_size(gtk.gdk.screen_width(),
gtk.gdk.screen_height())
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self.realize()
self.window.set_type_hint(gtk.gdk.WINDOW_TYPE_HINT_DESKTOP)
self.connect("key-release-event", self._key_release_cb)
self.connect('focus-in-event', self._focus_in_cb)
self.connect('focus-out-event', self._focus_out_cb)
self._enter_sid = self.connect('enter-notify-event',
self._enter_notify_event_cb)
self._leave_sid = self.connect('leave-notify-event',
self._leave_notify_event_cb)
self._motion_sid = self.connect('motion-notify-event',
self._motion_notify_event_cb)
self._home_box = HomeBox(shell)
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self._friends_box = FriendsBox(shell)
self._mesh_box = MeshBox(shell)
self._transition_box = TransitionBox()
self._activate_view()
self._canvas.set_root(self._home_box)
self._transition_box.connect('completed',
self._transition_completed_cb)
def _enter_notify_event_cb(self, window, event):
if event.x != gtk.gdk.screen_width() / 2 or \
event.y != gtk.gdk.screen_height() / 2:
self._mouse_moved()
def _leave_notify_event_cb(self, window, event):
self._mouse_moved()
def _motion_notify_event_cb(self, window, event):
self._mouse_moved()
# We want to enable the XO palette only when the user
# moved away from the default mouse position (screen center).
def _mouse_moved(self):
self._home_box.enable_xo_palette()
self.disconnect(self._leave_sid)
self.disconnect(self._motion_sid)
self.disconnect(self._enter_sid)
def _key_release_cb(self, widget, event):
keyname = gtk.gdk.keyval_name(event.keyval)
if keyname == "Alt_L":
self._home_box.release()
def _deactivate_view(self):
if self._level == ShellModel.ZOOM_HOME:
self._home_box.suspend()
elif self._level == ShellModel.ZOOM_MESH:
self._mesh_box.suspend()
def _activate_view(self):
if self._level == ShellModel.ZOOM_HOME:
self._home_box.resume()
elif self._level == ShellModel.ZOOM_MESH:
self._mesh_box.resume()
def _focus_in_cb(self, widget, event):
self._activate_view()
def _focus_out_cb(self, widget, event):
self._deactivate_view()
def set_zoom_level(self, level):
self._deactivate_view()
self._level = level
self._activate_view()
self._canvas.set_root(self._transition_box)
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if level == ShellModel.ZOOM_HOME:
size = style.XLARGE_ICON_SIZE
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elif level == ShellModel.ZOOM_FRIENDS:
size = style.LARGE_ICON_SIZE
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elif level == ShellModel.ZOOM_MESH:
size = style.STANDARD_ICON_SIZE
self._transition_box.set_size(size)
def _transition_completed_cb(self, transition_box):
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if self._level == ShellModel.ZOOM_HOME:
self._canvas.set_root(self._home_box)
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elif self._level == ShellModel.ZOOM_FRIENDS:
self._canvas.set_root(self._friends_box)
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elif self._level == ShellModel.ZOOM_MESH:
self._canvas.set_root(self._mesh_box)
self._mesh_box.focus_search_entry()
def get_home_box(self):
return self._home_box