142 lines
4.8 KiB
Python
142 lines
4.8 KiB
Python
# Copyright (C) 2007, One Laptop Per Child
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#
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# This library is free software; you can redistribute it and/or
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# modify it under the terms of the GNU Lesser General Public
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# License as published by the Free Software Foundation; either
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# version 2 of the License, or (at your option) any later version.
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#
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# This library is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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# Lesser General Public License for more details.
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#
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# You should have received a copy of the GNU Lesser General Public
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# License along with this library; if not, write to the
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# Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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# Boston, MA 02111-1307, USA.
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import sys
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import logging
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from gettext import gettext as _
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import gobject
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import gtk
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import hippo
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from sugar.graphics import units
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from sugar.graphics.roundbox import RoundBox
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from sugar.graphics.menu import Menu, MenuItem
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from sugar.graphics import iconbutton
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from sugar.graphics import color
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from sugar.graphics import font
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from sugar.graphics.canvasicon import CanvasIcon
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class _Menu(Menu):
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def __init__(self):
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Menu.__init__(self)
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self._is_visible = False
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def is_visible(self):
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return self._is_visible
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def popup(self, x, y):
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Menu.popup(self, x, y)
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self._is_visible = True
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def popdown(self):
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Menu.popdown(self)
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self._is_visible = False
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class OptionMenu(hippo.CanvasBox, hippo.CanvasItem):
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__gtype_name__ = 'SugarOptionMenu'
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__gproperties__ = {
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'value' : (int, None, None, 0, sys.maxint, 1, gobject.PARAM_READWRITE)
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}
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__gsignals__ = {
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'changed': (gobject.SIGNAL_RUN_FIRST, gobject.TYPE_NONE, ([]))
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}
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def __init__(self):
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hippo.CanvasBox.__init__(self, orientation=hippo.ORIENTATION_HORIZONTAL)
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self.props.yalign = hippo.ALIGNMENT_CENTER
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self._value = None
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self._round_box = RoundBox()
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self._round_box.props.border_color = color.FRAME_BORDER.get_int()
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self._round_box.props.spacing = units.points_to_pixels(3)
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self._round_box.props.padding = units.points_to_pixels(1)
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self.append(self._round_box, hippo.PACK_EXPAND)
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self._canvas_text = hippo.CanvasText(text=_('No options'),
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color=color.LABEL_TEXT.get_int(),
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font_desc=font.DEFAULT.get_pango_desc(),
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xalign=hippo.ALIGNMENT_START)
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self._round_box.append(self._canvas_text, hippo.PACK_EXPAND)
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arrow = iconbutton.IconButton(icon_name='theme:control-popup-arrow')
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arrow.props.size = iconbutton.SMALL_SIZE
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arrow.props.scale = units.STANDARD_ICON_SCALE
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arrow.props.yalign = hippo.ALIGNMENT_CENTER
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arrow.props.xalign = hippo.ALIGNMENT_START
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self._round_box.append(arrow)
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self._menu = _Menu()
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self._menu.connect('action', self._menu_action_cb)
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self._menu.connect('action-completed', self._menu_action_completed_cb)
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self.connect('button-press-event', self._button_press_event_cb)
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def do_set_property(self, pspec, value):
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if pspec.name == 'value':
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self._value = value
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def do_get_property(self, pspec):
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if pspec.name == 'value':
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return self._value
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def add_item(self, menu_item):
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if not self._value:
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self._value = menu_item.props.action_id
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self._canvas_text.props.text = menu_item.props.label
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self._menu.add_item(menu_item)
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def do_get_width_request(self):
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max_width = max(self._canvas_text.do_get_content_width_request(self._canvas_text),
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self._menu.do_get_content_width_request(self._menu))
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self._canvas_text.props.box_width = max_width
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current_width = hippo.CanvasBox.do_get_width_request(self)
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self._menu.props.box_width = current_width
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return current_width
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def add_separator(self):
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self._menu.add_separator()
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def _button_press_event_cb(self, box, event):
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if self._menu.is_visible():
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self._menu.popdown()
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else:
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context = self._round_box.get_context()
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[x, y] = context.translate_to_screen(self._round_box)
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[width, height] = self._round_box.get_allocation()
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self._menu.popup(x, y + height)
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# Grab the pointer so the menu will popdown on mouse click.
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self._menu.grab_pointer()
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def _menu_action_cb(self, menu, menu_item):
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action_id = menu_item.props.action_id
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label = menu_item.props.label
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if action_id != self._value:
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self._value = action_id
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self._canvas_text.props.text = label
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self.emit('changed')
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def _menu_action_completed_cb(self, menu):
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self._menu.popdown()
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