guis/views: Introduce GcalAgendaViewItem
GcalAgendaViewItem is an auxiliary object that will be used instead of the raw events by GcalAgendaViewDay in a later commit to construct the event widgets inside the main ListView of the agenda view as opposed to a creating them inside of a `GtkListBox` inside each row of the ListView. Holding a reference to the event widget will be necessary in later commits, so when a ListView row is activated, we can query its model of GcalAgendaViewItem's with the given activated position, and pass the correct item's event widget to `gcal_view_event_activated ()` Part-of: <https://gitlab.gnome.org/GNOME/gnome-calendar/-/merge_requests/809>
This commit is contained in:
Zelda Ahmed
@@ -0,0 +1,227 @@
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/*
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* gcal-agenda-view-item.c
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*
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* Copyright 2026 Zelda Ahmed <zoeyahmed10@proton.me>
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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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* SPDX-License-Identifier: GPL-3.0-or-later
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*/
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#include "gcal-agenda-view-item.h"
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#include "gcal-date-time-utils.h"
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struct _GcalAgendaViewItem
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{
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GObject parent_instance;
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GcalEvent *event;
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GcalEventWidget *event_widget;
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};
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G_DEFINE_FINAL_TYPE (GcalAgendaViewItem, gcal_agenda_view_item, G_TYPE_OBJECT)
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enum
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{
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PROP_0,
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PROP_EVENT,
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PROP_EVENT_WIDGET,
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N_PROPS
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};
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static GParamSpec *properties[N_PROPS];
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static void
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gcal_agenda_view_item_dispose (GObject *object)
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{
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GcalAgendaViewItem *self = GCAL_AGENDA_VIEW_ITEM (object);
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g_clear_object (&self->event_widget);
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g_clear_object (&self->event);
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G_OBJECT_CLASS (gcal_agenda_view_item_parent_class)->dispose (object);
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}
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static void
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gcal_agenda_view_item_get_property (GObject *object,
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guint prop_id,
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GValue *value,
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GParamSpec *pspec)
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{
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GcalAgendaViewItem *self = GCAL_AGENDA_VIEW_ITEM (object);
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switch (prop_id)
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{
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case PROP_EVENT:
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g_value_set_object (value, gcal_agenda_view_item_get_event (self));
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break;
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case PROP_EVENT_WIDGET:
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g_value_set_object (value, gcal_agenda_view_item_get_event_widget (self));
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break;
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
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}
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}
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static void
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gcal_agenda_view_item_set_property (GObject *object,
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guint prop_id,
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const GValue *value,
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GParamSpec *pspec)
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{
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GcalAgendaViewItem *self = GCAL_AGENDA_VIEW_ITEM (object);
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switch (prop_id)
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{
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case PROP_EVENT:
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gcal_agenda_view_item_set_event (self, g_value_get_object (value));
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break;
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case PROP_EVENT_WIDGET:
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gcal_agenda_view_item_set_event_widget (self, g_value_get_object (value));
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break;
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
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}
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}
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static void
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gcal_agenda_view_item_class_init (GcalAgendaViewItemClass *klass)
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{
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GObjectClass *object_class = G_OBJECT_CLASS (klass);
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object_class->dispose = gcal_agenda_view_item_dispose;
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object_class->get_property = gcal_agenda_view_item_get_property;
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object_class->set_property = gcal_agenda_view_item_set_property;
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/**
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* GcalAgendaViewItem:event:
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*
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* The event that will be presented by the item's row.
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*/
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properties [PROP_EVENT] =
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g_param_spec_object ("event", NULL, NULL,
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GCAL_TYPE_EVENT,
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G_PARAM_READWRITE | G_PARAM_EXPLICIT_NOTIFY | G_PARAM_STATIC_STRINGS);
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/**
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* GcalAgendaViewItem:event:
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*
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* The event widget representing the item in the #GcalAgendaView.
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*
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* This should be passed into `gcal_view_event_activated`
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* when the `::activated` signal is emitted on the item's row.
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*/
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properties [PROP_EVENT_WIDGET] =
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g_param_spec_object ("event-widget", NULL, NULL,
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GCAL_TYPE_EVENT_WIDGET,
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G_PARAM_READWRITE | G_PARAM_EXPLICIT_NOTIFY | G_PARAM_STATIC_STRINGS);
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g_object_class_install_properties (object_class, N_PROPS, properties);
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}
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static void
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gcal_agenda_view_item_init (GcalAgendaViewItem *self)
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{
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}
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/*
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* Public API
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*/
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/**
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* gcal_agenda_view_item_new:
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*
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* Creates a new #GcalAgendaViewItem
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*
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* Returns: (transfer full): a #GcalAgendaViewItem
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*/
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GcalAgendaViewItem *
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gcal_agenda_view_item_new (void)
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{
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GcalAgendaViewItem *item = g_object_new (GCAL_TYPE_AGENDA_VIEW_ITEM, NULL);
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return item;
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}
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/**
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* gcal_agenda_view_item_get_event:
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* @self: a #GcalAgendaViewItem
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*
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* Gets the event the item presents in the agenda view.
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*
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* Returns (nullable) (transfer none): the #GcalEvent being presented.
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*/
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GcalEvent *
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gcal_agenda_view_item_get_event (GcalAgendaViewItem *self)
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{
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g_assert (GCAL_IS_AGENDA_VIEW_ITEM (self));
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return self->event;
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}
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/**
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* gcal_agenda_view_item_set_event:
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* @self: a #GcalAgendaViewItem
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* @event (nullable) (transfer none): the #GcalEvent to present
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*
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* Sets the event the item will present in the agenda view.
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*/
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void
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gcal_agenda_view_item_set_event (GcalAgendaViewItem *self,
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GcalEvent *event)
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{
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g_return_if_fail (GCAL_IS_AGENDA_VIEW_ITEM (self));
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g_return_if_fail (event == NULL || GCAL_IS_EVENT (event));
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if (g_set_object (&self->event, event))
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g_object_notify_by_pspec (G_OBJECT (self), properties[PROP_EVENT]);
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}
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/**
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* gcal_agenda_view_item_get_event_widget:
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* @self: a #GcalAgendaViewItem
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*
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* Gets the event widget representing the item in the agenda view.
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*
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* Returns (nullable) (transfer none): the #GcalEventWidget presenting the @event.
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*/
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GcalEventWidget *
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gcal_agenda_view_item_get_event_widget (GcalAgendaViewItem *self)
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{
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g_return_val_if_fail (GCAL_IS_AGENDA_VIEW_ITEM (self), NULL);
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return self->event_widget;
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}
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/**
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* gcal_agenda_view_item_set_event_widget:
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* @self: a #GcalAgendaViewItem
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* @widget: (nullable) (transfer none): the #GcalEventWidget presenting the @event.
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*
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* Sets the event widget representing the item in the agenda view.
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*/
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void
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gcal_agenda_view_item_set_event_widget (GcalAgendaViewItem *self,
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GcalEventWidget *event_widget)
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{
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g_return_if_fail (GCAL_IS_AGENDA_VIEW_ITEM (self));
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g_return_if_fail (event_widget == NULL || GCAL_IS_EVENT_WIDGET (event_widget));
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if (g_set_object (&self->event_widget, event_widget))
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g_object_notify_by_pspec (G_OBJECT (self), properties[PROP_EVENT_WIDGET]);
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}
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@@ -0,0 +1,42 @@
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/*
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* gcal-agenda-view-item.h
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*
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* Copyright 2026 Zelda Ahmed <zoeyahmed10@proton.me>
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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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* SPDX-License-Identifier: GPL-3.0-or-later
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*/
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#pragma once
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#include "gcal-event.h"
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#include "gcal-event-widget.h"
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#include <glib-object.h>
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G_BEGIN_DECLS
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#define GCAL_TYPE_AGENDA_VIEW_ITEM (gcal_agenda_view_item_get_type())
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G_DECLARE_FINAL_TYPE (GcalAgendaViewItem, gcal_agenda_view_item, GCAL, AGENDA_VIEW_ITEM, GObject)
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GcalAgendaViewItem *gcal_agenda_view_item_new (void);
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GcalEvent *gcal_agenda_view_item_get_event (GcalAgendaViewItem *self);
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void gcal_agenda_view_item_set_event (GcalAgendaViewItem *self,
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GcalEvent *event);
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GcalEventWidget *gcal_agenda_view_item_get_event_widget (GcalAgendaViewItem *self);
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void gcal_agenda_view_item_set_event_widget (GcalAgendaViewItem *self,
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GcalEventWidget *widget);
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G_END_DECLS
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@@ -21,6 +21,7 @@
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#include "gcal-agenda-view.h"
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#include "gcal-agenda-view-day.h"
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#include "gcal-agenda-view-day-row.h"
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#include "gcal-agenda-view-item.h"
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#include "gcal-debug.h"
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#include "gcal-enums.h"
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#include "gcal-event-widget.h"
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@@ -422,6 +423,7 @@ gcal_agenda_view_class_init (GcalAgendaViewClass *klass)
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GObjectClass *object_class = G_OBJECT_CLASS (klass);
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GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (klass);
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g_type_ensure (GCAL_TYPE_AGENDA_VIEW_ITEM);
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g_type_ensure (GCAL_TYPE_AGENDA_VIEW_DAY_ROW);
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object_class->dispose = gcal_agenda_view_dispose;
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@@ -32,6 +32,7 @@ sources += files(
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'gcal-agenda-view.c',
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'gcal-agenda-view-day.c',
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'gcal-agenda-view-day-row.c',
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'gcal-agenda-view-item.c',
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'gcal-month-cell.c',
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'gcal-month-popover.c',
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'gcal-month-view.c',
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