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# Copyright (C) 2012 Agustin Zubiaga <aguz@sugarlabs.org>
# Copyright (C) 2013 Sugar Labs
#
# 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 3 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, see <http://www.gnu.org/licenses/>.
import os
from gi.repository import Gtk
from gi.repository import Gdk
from gi.repository import GLib
from gi.repository import GdkPixbuf
from sugar3.graphics import style
from sugar3.graphics.radiotoolbutton import RadioToolButton
from jarabe.controlpanel.sectionview import SectionView
from gettext import gettext as _
class Background(SectionView):
def __init__(self, model, alerts=None):
SectionView.__init__(self)
self._model = model
self._images_loaded = False
self._append_to_store_sid = None
self.connect('realize', self.__realize_cb)
self.connect('unrealize', self.__unrealize_cb)
self.set_border_width(style.DEFAULT_SPACING * 2)
self.set_spacing(style.DEFAULT_SPACING)
label_box = Gtk.Box()
label_bg = Gtk.Label(label=_('Select a background:'))
label_bg.modify_fg(Gtk.StateType.NORMAL,
style.COLOR_SELECTION_GREY.get_gdk_color())
label_bg.show()
label_box.pack_start(label_bg, False, True, 0)
label_box.show()
self.pack_start(label_box, False, True, 1)
clear_button = Gtk.Button()
clear_button.set_label(_('Clear background'))
clear_button.connect('clicked', self._clear_clicked_cb)
clear_button.show()
self.pack_end(clear_button, False, True, 0)
scrolled_window = Gtk.ScrolledWindow()
scrolled_window.set_shadow_type(Gtk.ShadowType.ETCHED_IN)
scrolled_window.set_policy(Gtk.PolicyType.AUTOMATIC,
Gtk.PolicyType.AUTOMATIC)
self.pack_start(scrolled_window, True, True, 0)
scrolled_window.show()
self._store = Gtk.ListStore(GdkPixbuf.Pixbuf, str)
self._icon_view = Gtk.IconView.new_with_model(self._store)
self._icon_view.set_selection_mode(Gtk.SelectionMode.SINGLE)
self._icon_view.connect('selection-changed', self._background_selected)
self._icon_view.set_pixbuf_column(0)
self._icon_view.grab_focus()
scrolled_window.add(self._icon_view)
self._icon_view.show()
alpha = self._model.get_background_alpha_level()
alpha_box = Gtk.HBox()
alpha_buttons = []
alpha_icons = [
[1.0, 'network-wireless-000'],
[0.8, 'network-wireless-020'],
[0.6, 'network-wireless-040'],
[0.4, 'network-wireless-060'],
[0.2, 'network-wireless-080']]
for value, icon_name in alpha_icons:
if len(alpha_buttons) > 0:
button = RadioToolButton(group=alpha_buttons[0])
else:
button = RadioToolButton(group=None)
button.set_icon_name(icon_name)
button.value = value
button.props.active = value == alpha
button.show()
alpha_box.pack_start(button, False, True, 0)
alpha_buttons.append(button)
for button in alpha_buttons:
button.connect('toggled', self._set_alpha_cb)
alpha_alignment = Gtk.Alignment()
alpha_alignment.set(0.5, 0, 0, 0)
alpha_alignment.add(alpha_box)
alpha_box.show()
self.pack_start(alpha_alignment, False, False, 0)
alpha_alignment.show()
self._paths_list = []
file_paths = []
for directory in self._model.BACKGROUNDS_DIRS:
if directory is not None and os.path.exists(directory):
for root, dirs, files in os.walk(directory):
for file_ in files:
file_paths.append(os.path.join(root, file_))
self._append_to_store(file_paths)
self.setup()
def _append_to_store(self, file_paths):
if file_paths:
file_path = file_paths.pop()
pixbuf = None
try:
pixbuf = GdkPixbuf.Pixbuf.new_from_file_at_size(
file_path, style.XLARGE_ICON_SIZE,
style.XLARGE_ICON_SIZE)
except GLib.GError:
pass
else:
self._store.append([pixbuf, file_path])
self._paths_list.append(file_path)
self._append_to_store_sid = GLib.idle_add(self._append_to_store,
file_paths)
else:
self._select_background()
self._images_loaded = True
window = self.get_window()
if window is not None:
window.set_cursor(None)
Gdk.flush()
self._append_to_store_sid = None
def _cancel_append_to_store(self):
if self._append_to_store_sid is not None:
GLib.source_remove(self._append_to_store_sid)
self._append_to_store_sid = None
def __realize_cb(self, widget):
if self._images_loaded:
self.get_window().set_cursor(None)
else:
self.get_window().set_cursor(Gdk.Cursor.new(Gdk.CursorType.WATCH))
Gdk.flush()
def __unrealize_cb(self, widget):
self.get_window().set_cursor(None)
Gdk.flush()
def _set_alpha_cb(self, widget):
if widget.get_active():
self._model.set_background_alpha_level(widget.value)
def _get_selected_path(self, widget):
try:
iter_ = self._store.get_iter(widget.get_selected_items()[0])
image_path = self._store.get(iter_, 1)[0]
return image_path, iter_
except:
return None
def _background_selected(self, widget):
selected = self._get_selected_path(widget)
if selected is None:
return
image_path, _iter = selected
iter_ = self._store.get_iter(widget.get_selected_items()[0])
image_path = self._store.get(iter_, 1)[0]
self._model.set_background_image_path(image_path)
def _select_background(self):
background = self._model.get_background_image_path()
if background in self._paths_list:
self._icon_view.select_path(
Gtk.TreePath.new_from_string(
'%s' % self._paths_list.index(background)))
def _clear_clicked_cb(self, widget, event=None):
self._model.set_background_image_path(None)
def setup(self):
self.show_all()
def apply(self):
self._cancel_append_to_store()
def undo(self):
self._model.undo()
self._cancel_append_to_store()
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