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# Copyright (C) 2007, One Laptop Per Child
#
# This library is free software; you can redistribute it and/or
# modify it under the terms of the GNU Lesser General Public
# License as published by the Free Software Foundation; either
# version 2 of the License, or (at your option) any later version.
#
# This library 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
# Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public
# License along with this library; if not, write to the
# Free Software Foundation, Inc., 59 Temple Place - Suite 330,
# Boston, MA 02111-1307, USA.
import sys
import logging
from gettext import gettext as _
import gobject
import gtk
import hippo
from sugar.graphics import style
from sugar.graphics.roundbox import RoundBox
from sugar.graphics.button import Button
from sugar.graphics.style import Color
from sugar.graphics.style import Font
from sugar.graphics.canvasicon import CanvasIcon
class Menu(hippo.CanvasBox, hippo.CanvasItem):
__gtype_name__ = 'SugarMenu'
__gsignals__ = {
'action': (gobject.SIGNAL_RUN_FIRST, gobject.TYPE_NONE, ([int]))
}
def __init__(self):
hippo.CanvasBox.__init__(self)
self.props.background_color = Color.MENU_BACKGROUND.get_int()
self.props.border_color = Color.MENU_BORDER.get_int()
#TODO: how we should specify the border thickness?
self.props.border = style.separator_thickness
self._window = None
def add_item(self, action_id, label, icon_name=None, icon_color=None):
box = hippo.CanvasBox(orientation=hippo.ORIENTATION_HORIZONTAL)
box.props.padding = 5
box.props.spacing = 5
if icon_name:
icon = CanvasIcon(icon_name=icon_name, scale=style.small_icon_scale)
if icon_color:
icon.props.color = icon_color
box.append(icon)
canvas_text = hippo.CanvasText()
canvas_text.props.text = label
canvas_text.props.color = Color.LABEL_TEXT.get_int()
canvas_text.props.font_desc = Font.DEFAULT.get_pango_desc()
box.append(canvas_text)
box.connect('button-press-event', self._button_press_event_cb, action_id)
self.append(box)
def add_separator(self):
box = hippo.CanvasBox()
box.props.background_color = Color.MENU_SEPARATOR.get_int()
box.props.box_height = style.separator_thickness
self.append(box)
def show(self, x, y):
if not self._window:
self._window = hippo.CanvasWindow(gtk.WINDOW_POPUP)
self._window.move(x, y)
self._window.set_root(self)
self._window.show()
def hide(self):
if self._window:
self._window.destroy()
self._window = None
def _button_press_event_cb(self, item, event, option_id):
self.emit('action', option_id)
self.hide()
def is_visible(self):
return self._window != None
class OptionMenu(hippo.CanvasBox, hippo.CanvasItem):
__gtype_name__ = 'SugarOptionMenu'
__gproperties__ = {
'value' : (int, None, None, 0, sys.maxint, 1, gobject.PARAM_READWRITE)
}
__gsignals__ = {
'changed': (gobject.SIGNAL_RUN_FIRST, gobject.TYPE_NONE, ([]))
}
def __init__(self):
hippo.CanvasBox.__init__(self, orientation=hippo.ORIENTATION_HORIZONTAL)
self.props.yalign = hippo.ALIGNMENT_CENTER
self._value = None
self._round_box = RoundBox()
self._round_box.props.border_color = Color.FRAME_BORDER.get_int()
self.append(self._round_box, hippo.PACK_EXPAND)
self._canvas_text = hippo.CanvasText()
self._canvas_text.props.text = _('No options')
self._canvas_text.props.color = Color.LABEL_TEXT.get_int()
self._canvas_text.props.font_desc = Font.DEFAULT.get_pango_desc()
self._round_box.append(self._canvas_text, hippo.PACK_EXPAND)
# TODO: Substitute for the right icon.
button = Button(icon_name='theme:stock-close')
button.props.scale = style.small_icon_scale
button.props.yalign = hippo.ALIGNMENT_CENTER
button.props.xalign = hippo.ALIGNMENT_START
button.connect('activated', self._button_activated_cb)
self._round_box.append(button)
self._menu = Menu()
self._menu.connect('action', self._menu_action_cb)
def do_set_property(self, pspec, value):
if pspec.name == 'value':
self._value = value
def do_get_property(self, pspec):
if pspec.name == 'value':
return self._value
def add_option(self, action_id, label, icon_name=None, icon_color=None):
self._menu.add_item(action_id, label, icon_name, icon_color)
def add_separator(self):
self._menu.add_separator()
def _button_activated_cb(self, button):
if self._menu.is_visible():
self._menu.hide()
else:
context = self._round_box.get_context()
[x, y] = context.translate_to_screen(self._round_box)
[width, height] = self._round_box.get_allocation()
self._menu.props.box_width = self.get_width_request()
self._menu.show(x, y + height)
def _menu_action_cb(self, menu, option_id):
if option_id != self._value:
self._value = option_id
self.emit('changed')
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