diff options
Diffstat (limited to 'extensions/cpsection/frame/view.py')
| -rw-r--r-- | extensions/cpsection/frame/view.py | 234 |
1 files changed, 234 insertions, 0 deletions
diff --git a/extensions/cpsection/frame/view.py b/extensions/cpsection/frame/view.py new file mode 100644 index 0000000..8b4ab83 --- /dev/null +++ b/extensions/cpsection/frame/view.py @@ -0,0 +1,234 @@ +# Copyright (C) 2008, OLPC +# +# 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 gtk +import gobject +from gettext import gettext as _ + +from sugar.graphics import style + +from jarabe.controlpanel.sectionview import SectionView +from jarabe.controlpanel.inlinealert import InlineAlert + + +_never = _('never') +_instantaneous = _('instantaneous') +_seconds_label = _('%s seconds') +_MAX_DELAY = 1000 + + +class Frame(SectionView): + def __init__(self, model, alerts): + SectionView.__init__(self) + + self._model = model + self._corner_delay_sid = 0 + self._corner_delay_is_valid = True + self._corner_delay_change_handler = None + self._edge_delay_sid = 0 + self._edge_delay_is_valid = True + self._edge_delay_change_handler = None + self.restart_alerts = alerts + + self.set_border_width(style.DEFAULT_SPACING * 2) + self.set_spacing(style.DEFAULT_SPACING) + self._group = gtk.SizeGroup(gtk.SIZE_GROUP_HORIZONTAL) + + separator = gtk.HSeparator() + self.pack_start(separator, expand=False) + separator.show() + + label_activation = gtk.Label(_('Activation Delay')) + label_activation.set_alignment(0, 0) + self.pack_start(label_activation, expand=False) + label_activation.show() + + self._box_sliders = gtk.VBox() + self._box_sliders.set_border_width(style.DEFAULT_SPACING * 2) + self._box_sliders.set_spacing(style.DEFAULT_SPACING) + + self._corner_delay_slider = None + self._corner_delay_alert = None + self._setup_corner() + + self._edge_delay_slider = None + self._edge_delay_alert = None + self._setup_edge() + + self.pack_start(self._box_sliders, expand=False) + self._box_sliders.show() + + self.setup() + + def _setup_corner(self): + box_delay = gtk.HBox(spacing=style.DEFAULT_SPACING) + label_delay = gtk.Label(_('Corner')) + label_delay.set_alignment(1, 0.75) + label_delay.modify_fg(gtk.STATE_NORMAL, + style.COLOR_SELECTION_GREY.get_gdk_color()) + box_delay.pack_start(label_delay, expand=False) + self._group.add_widget(label_delay) + label_delay.show() + + adj = gtk.Adjustment(value=100, lower=0, upper=_MAX_DELAY, + step_incr=100, page_incr=100, page_size=0) + self._corner_delay_slider = gtk.HScale(adj) + self._corner_delay_slider.set_digits(0) + self._corner_delay_slider.connect('format-value', + self.__corner_delay_format_cb) + box_delay.pack_start(self._corner_delay_slider) + self._corner_delay_slider.show() + self._box_sliders.pack_start(box_delay, expand=False) + box_delay.show() + + self._corner_delay_alert = InlineAlert() + label_delay_error = gtk.Label() + self._group.add_widget(label_delay_error) + + delay_alert_box = gtk.HBox(spacing=style.DEFAULT_SPACING) + delay_alert_box.pack_start(label_delay_error, expand=False) + label_delay_error.show() + delay_alert_box.pack_start(self._corner_delay_alert, expand=False) + self._box_sliders.pack_start(delay_alert_box, expand=False) + delay_alert_box.show() + if 'corner_delay' in self.restart_alerts: + self._corner_delay_alert.props.msg = self.restart_msg + self._corner_delay_alert.show() + + def _setup_edge(self): + box_delay = gtk.HBox(spacing=style.DEFAULT_SPACING) + label_delay = gtk.Label(_('Edge')) + label_delay.set_alignment(1, 0.75) + label_delay.modify_fg(gtk.STATE_NORMAL, + style.COLOR_SELECTION_GREY.get_gdk_color()) + box_delay.pack_start(label_delay, expand=False) + self._group.add_widget(label_delay) + label_delay.show() + + adj = gtk.Adjustment(value=100, lower=0, upper=_MAX_DELAY, + step_incr=100, page_incr=100, page_size=0) + self._edge_delay_slider = gtk.HScale(adj) + self._edge_delay_slider.set_digits(0) + self._edge_delay_slider.connect('format-value', + self.__edge_delay_format_cb) + box_delay.pack_start(self._edge_delay_slider) + self._edge_delay_slider.show() + self._box_sliders.pack_start(box_delay, expand=False) + box_delay.show() + + self._edge_delay_alert = InlineAlert() + label_delay_error = gtk.Label() + self._group.add_widget(label_delay_error) + + delay_alert_box = gtk.HBox(spacing=style.DEFAULT_SPACING) + delay_alert_box.pack_start(label_delay_error, expand=False) + label_delay_error.show() + delay_alert_box.pack_start(self._edge_delay_alert, expand=False) + self._box_sliders.pack_start(delay_alert_box, expand=False) + delay_alert_box.show() + if 'edge_delay' in self.restart_alerts: + self._edge_delay_alert.props.msg = self.restart_msg + self._edge_delay_alert.show() + + def setup(self): + self._corner_delay_slider.set_value(self._model.get_corner_delay()) + self._edge_delay_slider.set_value(self._model.get_edge_delay()) + self._corner_delay_is_valid = True + self._edge_delay_is_valid = True + self.needs_restart = False + self._corner_delay_change_handler = self._corner_delay_slider.connect( + 'value-changed', self.__corner_delay_changed_cb) + self._edge_delay_change_handler = self._edge_delay_slider.connect( + 'value-changed', self.__edge_delay_changed_cb) + + def undo(self): + self._corner_delay_slider.disconnect(self._corner_delay_change_handler) + self._edge_delay_slider.disconnect(self._edge_delay_change_handler) + self._model.undo() + self._corner_delay_alert.hide() + self._edge_delay_alert.hide() + + def _validate(self): + if self._edge_delay_is_valid and self._corner_delay_is_valid: + self.props.is_valid = True + else: + self.props.is_valid = False + + def __corner_delay_changed_cb(self, scale, data=None): + if self._corner_delay_sid: + gobject.source_remove(self._corner_delay_sid) + self._corner_delay_sid = gobject.timeout_add( \ + self._APPLY_TIMEOUT, self.__corner_delay_timeout_cb, scale) + + def __corner_delay_timeout_cb(self, scale): + self._corner_delay_sid = 0 + if scale.get_value() == self._model.get_corner_delay(): + return + try: + self._model.set_corner_delay(scale.get_value()) + except ValueError, detail: + self._corner_delay_alert.props.msg = detail + self._corner_delay_is_valid = False + else: + self._corner_delay_alert.props.msg = self.restart_msg + self._corner_delay_is_valid = True + self.needs_restart = True + self.restart_alerts.append('corner_delay') + + self._validate() + self._corner_delay_alert.show() + return False + + def __corner_delay_format_cb(self, scale, value): + if value == _MAX_DELAY: + return _never + elif value == 0: + return _instantaneous + else: + return _seconds_label % (value / _MAX_DELAY) + + def __edge_delay_changed_cb(self, scale, data=None): + if self._edge_delay_sid: + gobject.source_remove(self._edge_delay_sid) + self._edge_delay_sid = gobject.timeout_add( \ + self._APPLY_TIMEOUT, self.__edge_delay_timeout_cb, scale) + + def __edge_delay_timeout_cb(self, scale): + self._edge_delay_sid = 0 + if scale.get_value() == self._model.get_edge_delay(): + return + try: + self._model.set_edge_delay(scale.get_value()) + except ValueError, detail: + self._edge_delay_alert.props.msg = detail + self._edge_delay_is_valid = False + else: + self._edge_delay_alert.props.msg = self.restart_msg + self._edge_delay_is_valid = True + self.needs_restart = True + self.restart_alerts.append('edge_delay') + + self._validate() + self._edge_delay_alert.show() + return False + + def __edge_delay_format_cb(self, scale, value): + if value == _MAX_DELAY: + return _never + elif value == 0: + return _instantaneous + else: + return _seconds_label % (value / _MAX_DELAY) |