Andrea Azzarone
9d0b44d4e3
Use g_signal_connect_object in order to auto disconnect the weather-changed signal handler when the view object is finalized. https://gitlab.gnome.org/GNOME/gnome-calendar/issues/271
279 lines
8.3 KiB
C
279 lines
8.3 KiB
C
/* gcal-view.c
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*
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* Copyright (C) 2015 - Erick Pérez Castellanos
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* 2016 - Georges Basile Stavracas Neto <georges.stavracas@gmail.com>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program 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
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#define G_LOG_DOMAIN "GcalView"
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#include "gcal-event-widget.h"
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#include "gcal-view.h"
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#include "gcal-utils.h"
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#include <glib.h>
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G_DEFINE_INTERFACE (GcalView, gcal_view, GTK_TYPE_WIDGET)
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static void
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gcal_view_default_init (GcalViewInterface *iface)
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{
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/**
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* GcalView::active-date:
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*
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* The active date of the view.
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*/
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g_object_interface_install_property (iface,
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g_param_spec_boxed ("active-date",
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"The active date",
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"The active/selecetd date in the view",
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ICAL_TIME_TYPE,
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G_PARAM_READWRITE));
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/**
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* GcalView::manager:
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*
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* The #GcalManager of the view.
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*/
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g_object_interface_install_property (iface,
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g_param_spec_object ("manager",
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"The manager",
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"The manager of the view",
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GCAL_TYPE_MANAGER,
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G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
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/**
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* GcalView::weather-service:
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*
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* The #GcalWeatherService of the view.
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*/
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g_object_interface_install_property (iface,
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g_param_spec_object ("weather-service",
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"The weather service",
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"The weather service of the view",
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GCAL_TYPE_WEATHER_SERVICE,
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G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
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/**
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* GcalView::create-event:
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*
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* Emitted when the view wants to create an event.
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*/
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g_signal_new ("create-event",
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GCAL_TYPE_VIEW,
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G_SIGNAL_RUN_LAST,
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G_STRUCT_OFFSET (GcalViewInterface, create_event),
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NULL, NULL, NULL,
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G_TYPE_NONE,
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4,
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G_TYPE_POINTER,
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G_TYPE_POINTER,
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G_TYPE_DOUBLE,
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G_TYPE_DOUBLE);
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/**
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* GcalView::create-event-detailed:
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*
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* Emitted when the view wants to create an event and immediately
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* edit it.
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*/
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g_signal_new ("create-event-detailed",
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GCAL_TYPE_VIEW,
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G_SIGNAL_RUN_LAST,
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G_STRUCT_OFFSET (GcalViewInterface, create_event_detailed),
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NULL, NULL, NULL,
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G_TYPE_NONE, 2, G_TYPE_POINTER, G_TYPE_POINTER);
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/**
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* GcalView::event-activated:
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*
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* Emitted when an event widget inside the view is activated.
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*/
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g_signal_new ("event-activated",
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GCAL_TYPE_VIEW,
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G_SIGNAL_RUN_LAST,
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0, NULL, NULL, NULL,
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G_TYPE_NONE,
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1,
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GCAL_TYPE_EVENT_WIDGET);
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}
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/**
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* gcal_view_set_date:
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* @view: a #GcalView
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* @date: an #icaltimetype
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*
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* Sets the date of @view.
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*/
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void
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gcal_view_set_date (GcalView *view,
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icaltimetype *date)
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{
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g_return_if_fail (GCAL_IS_VIEW (view));
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g_return_if_fail (GCAL_VIEW_GET_IFACE (view)->set_date);
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GCAL_VIEW_GET_IFACE (view)->set_date (view, date);
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}
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/**
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* gcal_view_get_manager:
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* @self: a #GcalView
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*
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* Retrieves the #GcalManager instance from @self.
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*
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* Returns: (transfer none): a #GcalManager
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*/
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GcalManager*
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gcal_view_get_manager (GcalView *self)
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{
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GcalManager *manager;
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g_return_val_if_fail (GCAL_IS_VIEW (self), NULL);
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g_object_get (self, "manager", &manager, NULL);
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g_object_unref (manager);
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return manager;
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}
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/**
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* gcal_view_get_weather_service:
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* @self: The #GcalView instance.
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* @service: (nullable): The weather service to query.
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*
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* Sets the service to query for weather reports.
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*/
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GcalWeatherService*
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gcal_view_get_weather_service (GcalView *self)
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{
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GcalWeatherService *service; /* unowned */
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g_return_val_if_fail (GCAL_IS_VIEW (self), NULL);
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g_object_get (self, "weather-service", &service, NULL);
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g_object_unref (service);
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return service;
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}
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/**
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* gcal_view_set_weather_service:
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* @self: The #GcalView instance.
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*
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* Returns: (transfer none): The internal weather service object.
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*/
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void
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gcal_view_set_weather_service (GcalView *self,
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GcalWeatherService *service)
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{
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g_return_if_fail (GCAL_IS_VIEW (self));
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g_return_if_fail (service == NULL || GCAL_IS_WEATHER_SERVICE (service));
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g_object_set (self, "weather-service", service, NULL);
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}
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/**
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* gcal_view_set_weather_service_impl_helper:
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* @old_service: The views weather service field.
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* @new_service: (nullable): The new weather service to use.
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* @update_func: The function to call after updating weather.
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* @weather_changed_cb: The views "weather-changed" handler
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* @data: The data to pass to @update_func and @weather_changed_cb
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*
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* Internal implementation helper for
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* gcal_view_set_weather_service().
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*/
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void
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gcal_view_set_weather_service_impl_helper (GcalWeatherService **old_service,
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GcalWeatherService *new_service,
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GcalWeatherUpdateFunc update_func,
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GCallback weather_changed_cb,
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GtkWidget *data)
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{
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g_return_if_fail (old_service != NULL);
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g_return_if_fail (*old_service == NULL || GCAL_IS_WEATHER_SERVICE (*old_service));
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g_return_if_fail (new_service == NULL || GCAL_IS_WEATHER_SERVICE (new_service));
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g_return_if_fail (update_func != NULL);
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g_return_if_fail (weather_changed_cb != NULL);
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g_return_if_fail (GTK_IS_WIDGET (data));
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if (*old_service != new_service)
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{
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if (*old_service)
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g_signal_handlers_disconnect_by_func (*old_service, weather_changed_cb, data);
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g_set_object (old_service, new_service);
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if (*old_service)
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g_signal_connect_object (*old_service, "weather-changed", weather_changed_cb, data, 0);
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update_func (data);
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g_object_notify (G_OBJECT (data), "weather-service");
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}
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}
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/**
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* gcal_view_get_date:
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* @view: a #GcalView
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*
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* Retrieves the date of @view.
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*
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* Returns: (transfer none): an #icaltimetype.
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*/
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icaltimetype*
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gcal_view_get_date (GcalView *view)
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{
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g_return_val_if_fail (GCAL_IS_VIEW (view), NULL);
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g_return_val_if_fail (GCAL_VIEW_GET_IFACE (view)->get_date, NULL);
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return GCAL_VIEW_GET_IFACE (view)->get_date (view);
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}
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/**
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* gcal_view_clear_marks:
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* @view: a #GcalView
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*
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* Clear any marking the view had drawn
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**/
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void
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gcal_view_clear_marks (GcalView *view)
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{
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g_return_if_fail (GCAL_IS_VIEW (view));
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g_return_if_fail (GCAL_VIEW_GET_IFACE (view)->clear_marks);
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GCAL_VIEW_GET_IFACE (view)->clear_marks (view);
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}
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/**
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* gcal_view_get_children_by_uuid:
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* @view: a #GcalView
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* @uuid: The unique id of an event
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*
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* Returns a list with every event that has the passed uuid
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*
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* Returns: (transfer full): a {@link GList} instance
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**/
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GList*
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gcal_view_get_children_by_uuid (GcalView *view,
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GcalRecurrenceModType mod,
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const gchar *uuid)
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{
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g_return_val_if_fail (GCAL_IS_VIEW (view), NULL);
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g_return_val_if_fail (GCAL_VIEW_GET_IFACE (view)->get_children_by_uuid, NULL);
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return GCAL_VIEW_GET_IFACE (view)->get_children_by_uuid (view, mod, uuid);
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}
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