Python MenuItem.get_child方法代码示例

# 需要导入模块: from sugar.graphics.menuitem import MenuItem [as 别名]
# 或者: from sugar.graphics.menuitem.MenuItem import get_child [as 别名]
class ClipboardMenu(Palette):

    def __init__(self, cb_object):
        Palette.__init__(self, text_maxlen=100)

        self._cb_object = cb_object

        self.set_group_id('frame')

        cb_service = clipboard.get_instance()
        cb_service.connect('object-state-changed',
                           self._object_state_changed_cb)

        self._progress_bar = None

        self._remove_item = MenuItem(pgettext('Clipboard', 'Remove'),
                                     'list-remove')
        self._remove_item.connect('activate', self._remove_item_activate_cb)
        self.menu.append(self._remove_item)
        self._remove_item.show()

        self._open_item = MenuItem(_('Open'), 'zoom-activity')
        self._open_item.connect('activate', self._open_item_activate_cb)
        self.menu.append(self._open_item)
        self._open_item.show()

        self._journal_item = MenuItem(_('Keep'))
        client = gconf.client_get_default()
        color = XoColor(client.get_string('/desktop/sugar/user/color'))
        icon = Icon(icon_name='document-save', icon_size=gtk.ICON_SIZE_MENU,
                    xo_color=color)
        self._journal_item.set_image(icon)

        self._journal_item.connect('activate', self._journal_item_activate_cb)
        self.menu.append(self._journal_item)
        self._journal_item.show()

        self._update()

    def _update_open_submenu(self):
        activities = self._get_activities()
        logging.debug('_update_open_submenu: %r', activities)
        child = self._open_item.get_child()
        if activities is None or len(activities) <= 1:
            child.set_text(_('Open'))
            if self._open_item.get_submenu() is not None:
                self._open_item.remove_submenu()
            return

        child.set_text(_('Open with'))
        submenu = self._open_item.get_submenu()
        if submenu is None:
            submenu = gtk.Menu()
            self._open_item.set_submenu(submenu)
            submenu.show()
        else:
            for item in submenu.get_children():
                submenu.remove(item)

        for service_name in activities:
            registry = bundleregistry.get_registry()
            activity_info = registry.get_bundle(service_name)

            if not activity_info:
                logging.warning('Activity %s is unknown.', service_name)

            item = gtk.MenuItem(activity_info.get_name())
            item.connect('activate', self._open_submenu_item_activate_cb,
                         service_name)
            submenu.append(item)
            item.show()

    def _update_items_visibility(self):
        activities = self._get_activities()
        installable = self._cb_object.is_bundle()
        percent = self._cb_object.get_percent()

        if percent == 100 and (activities or installable):
            self._remove_item.props.sensitive = True
            self._open_item.props.sensitive = True
            self._journal_item.props.sensitive = True
        elif percent == 100 and (not activities and not installable):
            self._remove_item.props.sensitive = True
            self._open_item.props.sensitive = False
            self._journal_item.props.sensitive = True
        else:
            self._remove_item.props.sensitive = True
            self._open_item.props.sensitive = False
            self._journal_item.props.sensitive = False

        self._update_progress_bar()

    def _get_activities(self):
        mime_type = self._cb_object.get_mime_type()
        if not mime_type:
            return ''

        registry = bundleregistry.get_registry()
        activities = registry.get_activities_for_type(mime_type)
        if activities:
#.........这里部分代码省略.........

# 需要导入模块: from sugar.graphics.menuitem import MenuItem [as 别名]
# 或者: from sugar.graphics.menuitem.MenuItem import get_child [as 别名]
class SpeakerPalette(Palette):

    def __init__(self, primary_text, model):
        Palette.__init__(self, label=primary_text)

        self._model = model

        vbox = gtk.VBox()
        self.set_content(vbox)
        vbox.show()

        vol_step = sound.VOLUME_STEP
        self._adjustment = gtk.Adjustment(value=self._model.props.level,
                                          lower=0,
                                          upper=100 + vol_step,
                                          step_incr=vol_step,
                                          page_incr=vol_step,
                                          page_size=vol_step)
        self._hscale = gtk.HScale(self._adjustment)
        self._hscale.set_digits(0)
        self._hscale.set_draw_value(False)
        vbox.add(self._hscale)
        self._hscale.show()

        self._mute_item = MenuItem('')
        self._mute_icon = Icon(icon_size=gtk.ICON_SIZE_MENU)
        self._mute_item.set_image(self._mute_icon)
        self.menu.append(self._mute_item)
        self._mute_item.show()

        self._adjustment_handler_id = \
            self._adjustment.connect('value_changed',
                                     self.__adjustment_changed_cb)

        self._model_notify_level_handler_id = \
            self._model.connect('notify::level', self.__level_changed_cb)
        self._model.connect('notify::muted', self.__muted_changed_cb)

        self._mute_item.connect('activate', self.__mute_activate_cb)

        self.connect('popup', self.__popup_cb)

    def _update_muted(self):
        if self._model.props.muted:
            mute_item_text = _('Unmute')
            mute_item_icon_name = 'dialog-ok'
        else:
            mute_item_text = _('Mute')
            mute_item_icon_name = 'dialog-cancel'
        self._mute_item.get_child().set_text(mute_item_text)
        self._mute_icon.props.icon_name = mute_item_icon_name

    def _update_level(self):
        if self._adjustment.value != self._model.props.level:
            self._adjustment.handler_block(self._adjustment_handler_id)
            try:
                self._adjustment.value = self._model.props.level
            finally:
                self._adjustment.handler_unblock(self._adjustment_handler_id)

    def __adjustment_changed_cb(self, adj_):
        self._model.handler_block(self._model_notify_level_handler_id)
        try:
            self._model.props.level = self._adjustment.value
        finally:
            self._model.handler_unblock(self._model_notify_level_handler_id)
        self._model.props.muted = self._adjustment.value == 0

    def __level_changed_cb(self, pspec_, param_):
        self._update_level()

    def __mute_activate_cb(self, menuitem_):
        self._model.props.muted = not self._model.props.muted

    def __muted_changed_cb(self, pspec_, param_):
        self._update_muted()

    def __popup_cb(self, palette_):
        self._update_level()
        self._update_muted()

# 需要导入模块: from sugar.graphics.menuitem import MenuItem [as 别名]
# 或者: from sugar.graphics.menuitem.MenuItem import get_child [as 别名]
class GsmPalette(Palette):
    __gtype_name__ = 'SugarGsmPalette'

    __gsignals__ = {
        'gsm-connect': (gobject.SIGNAL_RUN_FIRST, gobject.TYPE_NONE, ([])),
        'gsm-disconnect': (gobject.SIGNAL_RUN_FIRST, gobject.TYPE_NONE, ([])),
    }

    def __init__(self):
        label = glib.markup_escape_text(_('Wireless modem'))
        Palette.__init__(self, primary_text=label)

        self._current_state = None
        self._failed_connection = False

        self._toggle_state_item = MenuItem('')
        self._toggle_state_item.connect('activate', self.__toggle_state_cb)
        self.menu.append(self._toggle_state_item)
        self._toggle_state_item.show()

        self.info_box = gtk.VBox()

        self.error_title_label = gtk.Label("")
        self.error_title_label.set_alignment(0, 0.5)
        self.error_title_label.set_line_wrap(True)
        self.info_box.pack_start(self.error_title_label)
        self.error_description_label = gtk.Label("")
        self.error_description_label.set_alignment(0, 0.5)
        self.error_description_label.set_line_wrap(True)
        self.info_box.pack_start(self.error_description_label)

        self.connection_info_box = gtk.HBox()
        icon = Icon(icon_name='data-upload', icon_size=gtk.ICON_SIZE_MENU)
        self.connection_info_box.pack_start(icon)
        icon.show()

        self._data_label_up = gtk.Label()
        self._data_label_up.props.xalign = 0.0
        label_alignment = self._add_widget_with_padding(self._data_label_up)
        self.connection_info_box.pack_start(label_alignment)
        self._data_label_up.show()
        label_alignment.show()

        icon = Icon(icon_name='data-download', icon_size=gtk.ICON_SIZE_MENU)
        self.connection_info_box.pack_start(icon)
        icon.show()
        self._data_label_down = gtk.Label()
        self._data_label_down.props.xalign = 0.0
        label_alignment = self._add_widget_with_padding(self._data_label_down)
        self.connection_info_box.pack_start(label_alignment)
        self._data_label_down.show()
        label_alignment.show()

        self.info_box.pack_start(self.connection_info_box)

        self.info_box.show()
        self.set_content(self.info_box)

        self.set_state(_GSM_STATE_NOT_READY)

    def _add_widget_with_padding(self, child, xalign=0, yalign=0.5):
        alignment = gtk.Alignment(xalign=xalign, yalign=yalign,
                                  xscale=1, yscale=0.33)
        alignment.set_padding(style.DEFAULT_SPACING,
                              style.DEFAULT_SPACING,
                              style.DEFAULT_SPACING,
                              style.DEFAULT_SPACING)
        alignment.add(child)
        return alignment

    def update_state(self, state, reason=0):
        self._current_state = state
        self._update_label_and_text(reason)

    def _update_label_and_text(self, reason=0):
        if self._current_state == _GSM_STATE_NOT_READY:
            self._toggle_state_item.get_child().set_label('...')
            label = glib.markup_escape_text(_('Please wait...'))
            self.props.secondary_text = label

        elif self._current_state == _GSM_STATE_DISCONNECTED:
            if not self._failed_connection:
                self._toggle_state_item.get_child().set_label(_('Connect'))
            label = glib.markup_escape_text(_('Disconnected'))
            self.props.secondary_text = label
            icon = Icon(icon_name='dialog-ok', \
                            icon_size=gtk.ICON_SIZE_MENU)
            self._toggle_state_item.set_image(icon)

        elif self._current_state == _GSM_STATE_CONNECTING:
            self._toggle_state_item.get_child().set_label(_('Cancel'))
            label = glib.markup_escape_text(_('Connecting...'))
            self.props.secondary_text = label
            icon = Icon(icon_name='dialog-cancel', \
                            icon_size=gtk.ICON_SIZE_MENU)
            self._toggle_state_item.set_image(icon)

        elif self._current_state == _GSM_STATE_CONNECTED:
            self._failed_connection = False
            self._toggle_state_item.get_child().set_label(_('Disconnect'))
#.........这里部分代码省略.........