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# Copyright (C) 2011-2012 One Laptop Per Child
# Copyright (C) 2010 Tomeu Vizoso
# Copyright (C) 2011 Walter Bender
# Copyright (C) 2011 Raul Gutierrez Segales
#
# 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.
#
# 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
import logging
from gi.repository import Gtk
class ViewContainer(Gtk.Container):
__gtype_name__ = 'SugarViewContainer'
def __init__(self, layout, owner_icon, activity_icon=None, **kwargs):
Gtk.Container.__init__(self, **kwargs)
self.set_has_window(False)
self.set_can_focus(True)
self._activity_icon = None
self._owner_icon = None
self._layout = None
self._children = []
self.set_layout(layout)
if owner_icon:
self._owner_icon = owner_icon
self.add(self._owner_icon)
self._owner_icon.show()
if activity_icon:
self._activity_icon = activity_icon
self.add(self._activity_icon)
self._activity_icon.show()
def do_add(self, child):
if child != self._owner_icon and child != self._activity_icon:
self._children.append(child)
if child.get_realized():
child.set_parent_window(self.get_parent_window())
child.set_parent(self)
def do_remove(self, child):
was_visible = child.get_visible()
if child in self._children:
self._children.remove(child)
child.unparent()
self._layout.remove(child)
if was_visible and self.get_visible():
self.queue_resize()
def do_size_allocate(self, allocation):
self.set_allocation(allocation)
if self._owner_icon:
self._layout.setup(allocation, self._owner_icon,
self._activity_icon)
self._layout.allocate_children(allocation, self._children)
def do_forall(self, include_internals, callback):
for child in self._children:
callback(child)
if self._owner_icon:
callback(self._owner_icon)
if self._activity_icon:
callback(self._activity_icon)
def set_layout(self, layout):
for child in self.get_children():
self.remove(child)
self._layout = layout
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