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Diffstat (limited to 'shell/src/jarabe/controlpanel/gui.py')
| -rw-r--r-- | shell/src/jarabe/controlpanel/gui.py | 431 |
1 files changed, 431 insertions, 0 deletions
diff --git a/shell/src/jarabe/controlpanel/gui.py b/shell/src/jarabe/controlpanel/gui.py new file mode 100644 index 0000000..51d9820 --- /dev/null +++ b/shell/src/jarabe/controlpanel/gui.py @@ -0,0 +1,431 @@ +# Copyright (C) 2008 One Laptop Per Child +# +# 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 os +import logging +from gettext import gettext as _ +import sys +import traceback + +import gobject +import gtk + +from sugar.graphics.icon import Icon +from sugar.graphics import style +from sugar.graphics.alert import Alert + +from jarabe.model.session import get_session_manager +from jarabe.controlpanel.toolbar import MainToolbar +from jarabe.controlpanel.toolbar import SectionToolbar +from jarabe import config + +_logger = logging.getLogger('ControlPanel') +_MAX_COLUMNS = 5 + +class ControlPanel(gtk.Window): + __gtype_name__ = 'SugarControlPanel' + + def __init__(self): + gtk.Window.__init__(self) + + self.set_border_width(style.LINE_WIDTH) + offset = style.GRID_CELL_SIZE + width = gtk.gdk.screen_width() - offset * 2 + height = gtk.gdk.screen_height() - offset * 2 + self.set_size_request(width, height) + self.set_position(gtk.WIN_POS_CENTER_ALWAYS) + self.set_decorated(False) + self.set_resizable(False) + self.set_modal(True) + + self._toolbar = None + self._canvas = None + self._table = None + self._scrolledwindow = None + self._separator = None + self._section_view = None + self._section_toolbar = None + self._main_toolbar = None + + self._vbox = gtk.VBox() + self._hbox = gtk.HBox() + self._vbox.pack_start(self._hbox) + self._hbox.show() + + self._main_view = gtk.EventBox() + self._hbox.pack_start(self._main_view) + self._main_view.modify_bg(gtk.STATE_NORMAL, + style.COLOR_BLACK.get_gdk_color()) + self._main_view.show() + + self.add(self._vbox) + self._vbox.show() + + self.connect("realize", self.__realize_cb) + + self._options = self._get_options() + self._current_option = None + self._setup_main() + self._setup_section() + self._show_main_view() + + def __realize_cb(self, widget): + self.window.set_type_hint(gtk.gdk.WINDOW_TYPE_HINT_DIALOG) + self.window.set_accept_focus(True) + + def _set_canvas(self, canvas): + if self._canvas: + self._main_view.remove(self._canvas) + if canvas: + self._main_view.add(canvas) + self._canvas = canvas + + def _set_toolbar(self, toolbar): + if self._toolbar: + self._vbox.remove(self._toolbar) + self._vbox.pack_start(toolbar, False) + self._vbox.reorder_child(toolbar, 0) + self._toolbar = toolbar + if not self._separator: + self._separator = gtk.HSeparator() + self._vbox.pack_start(self._separator, False) + self._vbox.reorder_child(self._separator, 1) + self._separator.show() + + def _setup_main(self): + self._main_toolbar = MainToolbar() + + self._table = gtk.Table() + self._table.set_col_spacings(style.GRID_CELL_SIZE) + self._table.set_border_width(style.GRID_CELL_SIZE) + + self._scrolledwindow = gtk.ScrolledWindow() + self._scrolledwindow.set_policy(gtk.POLICY_AUTOMATIC, + gtk.POLICY_AUTOMATIC) + self._scrolledwindow.add_with_viewport(self._table) + child = self._scrolledwindow.get_child() + child.modify_bg(gtk.STATE_NORMAL, style.COLOR_BLACK.get_gdk_color()) + + self._setup_options() + self._main_toolbar.connect('stop-clicked', + self.__stop_clicked_cb) + self._main_toolbar.connect('search-changed', + self.__search_changed_cb) + + def _setup_options(self): + if not os.path.exists('/ofw'): + del self._options['power'] + + try: + import xklavier + except ImportError: + del self._options['keyboard'] + + row = 0 + column = 2 + options = self._options.keys() + options.sort() + + for option in options: + sectionicon = _SectionIcon(icon_name=self._options[option]['icon'], + title=self._options[option]['title'], + xo_color=self._options[option]['color'], + pixel_size=style.GRID_CELL_SIZE) + sectionicon.connect('button_press_event', + self.__select_option_cb, option) + sectionicon.show() + + if option == 'aboutme': + self._table.attach(sectionicon, 0, 1, 0, 1) + elif option == 'aboutcomputer': + self._table.attach(sectionicon, 1, 2, 0, 1) + else: + self._table.attach(sectionicon, + column, column + 1, + row, row + 1) + column += 1 + if column == _MAX_COLUMNS: + column = 0 + row += 1 + + self._options[option]['button'] = sectionicon + + def _show_main_view(self): + self._set_toolbar(self._main_toolbar) + self._main_toolbar.show() + self._set_canvas(self._scrolledwindow) + self._main_view.modify_bg(gtk.STATE_NORMAL, + style.COLOR_BLACK.get_gdk_color()) + self._table.show() + self._scrolledwindow.show() + entry = self._main_toolbar.get_entry() + entry.grab_focus() + entry.set_text('') + + def _update(self, query): + for option in self._options: + found = False + for key in self._options[option]['keywords']: + if query.lower() in key.lower(): + self._options[option]['button'].set_sensitive(True) + found = True + break + if not found: + self._options[option]['button'].set_sensitive(False) + + def _setup_section(self): + self._section_toolbar = SectionToolbar() + self._section_toolbar.connect('cancel-clicked', + self.__cancel_clicked_cb) + self._section_toolbar.connect('accept-clicked', + self.__accept_clicked_cb) + + def show_section_view(self, option): + self._set_toolbar(self._section_toolbar) + + icon = self._section_toolbar.get_icon() + icon.set_from_icon_name(self._options[option]['icon'], + gtk.ICON_SIZE_LARGE_TOOLBAR) + icon.props.xo_color = self._options[option]['color'] + title = self._section_toolbar.get_title() + title.set_text(self._options[option]['title']) + self._section_toolbar.show() + + self._current_option = option + + mod = __import__('.'.join(('cpsection', option, 'view')), + globals(), locals(), ['view']) + view_class = getattr(mod, self._options[option]['view'], None) + + mod = __import__('.'.join(('cpsection', option, 'model')), + globals(), locals(), ['model']) + model = ModelWrapper(mod) + + self._section_view = view_class(model, + self._options[option]['alerts']) + + self._set_canvas(self._section_view) + self._section_view.show() + self._section_view.connect('notify::is-valid', + self.__valid_section_cb) + self._section_view.connect('request-close', + self.__close_request_cb) + self._main_view.modify_bg(gtk.STATE_NORMAL, + style.COLOR_WHITE.get_gdk_color()) + + def set_section_view_auto_close(self): + '''Automatically close the control panel if there is "nothing to do" + ''' + self._section_view.auto_close = True + + def _get_options(self): + '''Get the available option information from the extensions + ''' + options = {} + + path = os.path.join(config.ext_path, 'cpsection') + folder = os.listdir(path) + + for item in folder: + if os.path.isdir(os.path.join(path, item)) and \ + os.path.exists(os.path.join(path, item, '__init__.py')): + try: + mod = __import__('.'.join(('cpsection', item)), + globals(), locals(), [item]) + view_class = getattr(mod, 'CLASS', None) + if view_class is not None: + options[item] = {} + options[item]['alerts'] = [] + options[item]['view'] = view_class + options[item]['icon'] = getattr(mod, 'ICON', item) + options[item]['title'] = getattr(mod, 'TITLE', item) + options[item]['color'] = getattr(mod, 'COLOR', None) + keywords = getattr(mod, 'KEYWORDS', []) + keywords.append(options[item]['title'].lower()) + if item not in keywords: + keywords.append(item) + options[item]['keywords'] = keywords + else: + _logger.error('There is no CLASS constant specifieds ' \ + 'in the view file \'%s\'.' % item) + except Exception: + logging.error('Exception while loading extension:\n' + \ + ''.join(traceback.format_exception(*sys.exc_info()))) + + return options + + def __cancel_clicked_cb(self, widget): + self._section_view.undo() + self._options[self._current_option]['alerts'] = [] + self._section_toolbar.accept_button.set_sensitive(True) + self._show_main_view() + + def __accept_clicked_cb(self, widget): + if self._section_view.needs_restart: + self._section_toolbar.accept_button.set_sensitive(False) + self._section_toolbar.cancel_button.set_sensitive(False) + alert = Alert() + alert.props.title = _('Warning') + alert.props.msg = _('Changes require restart') + + icon = Icon(icon_name='dialog-cancel') + alert.add_button(gtk.RESPONSE_CANCEL, _('Cancel changes'), icon) + icon.show() + + if self._current_option != 'aboutme': + icon = Icon(icon_name='dialog-ok') + alert.add_button(gtk.RESPONSE_ACCEPT, _('Later'), icon) + icon.show() + + icon = Icon(icon_name='system-restart') + alert.add_button(gtk.RESPONSE_APPLY, _('Restart now'), icon) + icon.show() + + self._vbox.pack_start(alert, False) + self._vbox.reorder_child(alert, 2) + alert.connect('response', self.__response_cb) + alert.show() + else: + self._show_main_view() + + def __response_cb(self, alert, response_id): + self._vbox.remove(alert) + self._section_toolbar.accept_button.set_sensitive(True) + self._section_toolbar.cancel_button.set_sensitive(True) + if response_id is gtk.RESPONSE_CANCEL: + self._section_view.undo() + self._section_view.setup() + self._options[self._current_option]['alerts'] = [] + elif response_id is gtk.RESPONSE_ACCEPT: + self._options[self._current_option]['alerts'] = \ + self._section_view.restart_alerts + self._show_main_view() + elif response_id is gtk.RESPONSE_APPLY: + session_manager = get_session_manager() + session_manager.logout() + + def __select_option_cb(self, button, event, option): + self.show_section_view(option) + + def __search_changed_cb(self, maintoolbar, query): + self._update(query) + + def __stop_clicked_cb(self, widget): + self.destroy() + + def __close_request_cb(self, widget, event=None): + self.destroy() + + def __valid_section_cb(self, section_view, pspec): + section_is_valid = section_view.props.is_valid + self._section_toolbar.accept_button.set_sensitive(section_is_valid) + +class ModelWrapper(object): + def __init__(self, module): + self._module = module + self._options = {} + self._setup() + + def _setup(self): + methods = dir(self._module) + for method in methods: + if method.startswith('get_') and method[4:] != 'color': + try: + self._options[method[4:]] = getattr(self._module, method)() + except Exception: + self._options[method[4:]] = None + + def __getattr__(self, name): + return getattr(self._module, name) + + def undo(self): + for key in self._options.keys(): + method = getattr(self._module, 'set_' + key, None) + if method and self._options[key] is not None: + try: + method(self._options[key]) + except Exception, detail: + _logger.debug('Error undo option: %s', detail) + +class _SectionIcon(gtk.EventBox): + __gtype_name__ = "SugarSectionIcon" + + __gproperties__ = { + 'icon-name' : (str, None, None, None, + gobject.PARAM_READWRITE), + 'pixel-size' : (object, None, None, + gobject.PARAM_READWRITE), + 'xo-color' : (object, None, None, + gobject.PARAM_READWRITE), + 'title' : (str, None, None, None, + gobject.PARAM_READWRITE) + } + + def __init__(self, **kwargs): + self._icon_name = None + self._pixel_size = style.GRID_CELL_SIZE + self._xo_color = None + self._title = 'No Title' + + gobject.GObject.__init__(self, **kwargs) + + self._vbox = gtk.VBox() + self._icon = Icon(icon_name=self._icon_name, + pixel_size=self._pixel_size, + xo_color=self._xo_color) + self._vbox.pack_start(self._icon, expand=False, fill=False) + + self._label = gtk.Label(self._title) + self._label.modify_fg(gtk.STATE_NORMAL, + style.COLOR_WHITE.get_gdk_color()) + self._vbox.pack_start(self._label, expand=False, fill=False) + + self._vbox.set_spacing(style.DEFAULT_SPACING) + self.set_visible_window(False) + self.set_app_paintable(True) + self.set_events(gtk.gdk.BUTTON_PRESS_MASK) + + self.add(self._vbox) + self._vbox.show() + self._label.show() + self._icon.show() + + def get_icon(self): + return self._icon + + def do_set_property(self, pspec, value): + if pspec.name == 'icon-name': + if self._icon_name != value: + self._icon_name = value + elif pspec.name == 'pixel-size': + if self._pixel_size != value: + self._pixel_size = value + elif pspec.name == 'xo-color': + if self._xo_color != value: + self._xo_color = value + elif pspec.name == 'title': + if self._title != value: + self._title = value + + def do_get_property(self, pspec): + if pspec.name == 'icon-name': + return self._icon_name + elif pspec.name == 'pixel-size': + return self._pixel_size + elif pspec.name == 'xo-color': + return self._xo_color + elif pspec.name == 'title': + return self._title |