Lukáš Tyrychtr
6c36048ae3
We do not have anything like live regions yet, so put raw announce calls in the right place. Fixes #1470. Part-of: <https://gitlab.gnome.org/GNOME/gnome-calendar/-/merge_requests/675>
455 lines
13 KiB
C
455 lines
13 KiB
C
/* gcal-search-button.c
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*
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* Copyright 2019 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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* SPDX-License-Identifier: GPL-3.0-or-later
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*/
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#define G_LOG_DOMAIN "GcalSearchButton"
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#include "gcal-context.h"
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#include "gcal-debug.h"
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#include "gcal-search-button.h"
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#include "gcal-search-hit.h"
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#include <glib/gi18n.h>
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#include <math.h>
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#define MIN_WIDTH 450
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struct _GcalSearchButton
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{
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AdwBin parent;
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GtkEditable *entry;
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GtkWidget *popover;
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GtkListView *results_listview;
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GtkRevealer *results_revealer;
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GtkSingleSelection *results_selection_model;
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GtkStack *stack;
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GCancellable *cancellable;
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gint max_width_chars;
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GListModel *model;
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GcalContext *context;
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};
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G_DEFINE_TYPE (GcalSearchButton, gcal_search_button, ADW_TYPE_BIN)
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enum
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{
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PROP_0,
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PROP_CONTEXT,
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N_PROPS
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};
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static GParamSpec *properties [N_PROPS];
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/*
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* Auxiliary methods
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*/
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static void
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show_suggestions (GcalSearchButton *self)
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{
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gtk_popover_popup (GTK_POPOVER (self->popover));
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gtk_revealer_set_reveal_child (self->results_revealer, TRUE);
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}
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static void
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hide_suggestions (GcalSearchButton *self)
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{
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gtk_revealer_set_reveal_child (self->results_revealer, FALSE);
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}
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static void
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quit_search_entry (GcalSearchButton *self)
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{
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gtk_editable_set_width_chars (self->entry, 0);
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gtk_editable_set_max_width_chars (self->entry, 0);
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gtk_stack_set_visible_child_name (self->stack, "button");
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hide_suggestions (self);
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gtk_editable_set_text (self->entry, "");
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}
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static inline void
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scroll_to_result (GcalSearchButton *self,
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guint position)
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{
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gtk_widget_activate_action (GTK_WIDGET (self->results_listview),
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"list.scroll-to-item",
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"u",
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position);
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}
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static void
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set_model (GcalSearchButton *self,
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GListModel *model)
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{
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GCAL_ENTRY;
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gtk_single_selection_set_model (self->results_selection_model, model);
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if (model)
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show_suggestions (self);
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else
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hide_suggestions (self);
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GCAL_EXIT;
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}
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/*
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* Callbacks
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*/
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static gchar *
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escape_markup_cb (GcalSearchHit *hit,
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const gchar *string)
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{
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g_autofree gchar *escaped_string = NULL;
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escaped_string = g_markup_escape_text (string, -1);
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escaped_string = g_strstrip (escaped_string);
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return g_steal_pointer (&escaped_string);
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}
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static void
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on_button_clicked_cb (GtkButton *button,
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GcalSearchButton *self)
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{
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gint max_width_chars;
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max_width_chars = gtk_editable_get_max_width_chars (self->entry);
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if (max_width_chars)
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self->max_width_chars = max_width_chars;
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gtk_editable_set_width_chars (self->entry, 1);
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gtk_editable_set_max_width_chars (self->entry, self->max_width_chars ?: 20);
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gtk_stack_set_visible_child_name (self->stack, "entry");
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gtk_widget_grab_focus (GTK_WIDGET (self->entry));
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}
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static void
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on_focus_controller_leave_cb (GtkEventControllerFocus *focus_controller,
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GcalSearchButton *self)
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{
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quit_search_entry (self);
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}
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static void
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on_search_finished_cb (GObject *source_object,
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GAsyncResult *result,
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gpointer user_data)
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{
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g_autoptr (GListModel) model = NULL;
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g_autoptr (GError) error = NULL;
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GcalSearchButton *self;
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const gchar *message;
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guint n_results;
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GCAL_ENTRY;
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self = GCAL_SEARCH_BUTTON (user_data);
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model = gcal_search_engine_search_finish (GCAL_SEARCH_ENGINE (source_object), result, &error);
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set_model (self, model);
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n_results = model ? g_list_model_get_n_items (model) : 0;
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message = n_results == 0 ? _("No results found") : g_strdup_printf (ngettext ("One result found",
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"%u results found",
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n_results),
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n_results),
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gtk_accessible_announce (GTK_ACCESSIBLE (self), message, GTK_ACCESSIBLE_ANNOUNCEMENT_PRIORITY_MEDIUM);
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GCAL_EXIT;
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}
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static void
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on_entry_activate_cb (GtkSearchEntry *entry,
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GcalSearchButton *self)
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{
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GcalSearchHit *hit;
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GCAL_ENTRY;
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hit = gtk_single_selection_get_selected_item (self->results_selection_model);
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if (hit)
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{
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GCAL_TRACE_MSG ("Activating \"%s\"", gcal_search_hit_get_title (hit));
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gcal_search_hit_activate (hit, GTK_WIDGET (self));
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quit_search_entry (self);
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}
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GCAL_EXIT;
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}
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static void
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on_entry_next_match_cb (GtkSearchEntry *entry,
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GcalSearchButton *self)
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{
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guint selected;
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GCAL_ENTRY;
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selected = gtk_single_selection_get_selected (self->results_selection_model);
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if (selected != GTK_INVALID_LIST_POSITION &&
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selected + 1 < g_list_model_get_n_items (G_LIST_MODEL (self->results_selection_model)))
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{
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GCAL_TRACE_MSG ("Changing selection to %u", selected + 1);
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gtk_single_selection_set_selected (self->results_selection_model, selected + 1);
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scroll_to_result (self, selected + 1);
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}
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GCAL_EXIT;
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}
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static void
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on_entry_previous_match_cb (GtkSearchEntry *entry,
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GcalSearchButton *self)
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{
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guint selected;
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GCAL_ENTRY;
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selected = gtk_single_selection_get_selected (self->results_selection_model);
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if (selected > 0 && selected != GTK_INVALID_LIST_POSITION)
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{
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GCAL_TRACE_MSG ("Changing selection to %u", selected - 1);
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gtk_single_selection_set_selected (self->results_selection_model, selected - 1);
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scroll_to_result (self, selected - 1);
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}
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GCAL_EXIT;
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}
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static void
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on_entry_search_changed_cb (GtkSearchEntry *entry,
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GcalSearchButton *self)
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{
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g_autofree gchar *sexp_query = NULL;
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GcalSearchEngine *search_engine;
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const gchar *text;
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GCAL_ENTRY;
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text = gtk_editable_get_text (self->entry);
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g_cancellable_cancel (self->cancellable);
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if (!text || *text == '\0')
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{
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g_debug ("Search query contents have been cleared");
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set_model (self, NULL);
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GCAL_RETURN ();
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}
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g_debug ("Search query changed to \"%s\"", text);
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sexp_query = g_strdup_printf ("(contains? \"summary\" \"%s\")", text);
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search_engine = gcal_context_get_search_engine (self->context);
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gcal_search_engine_search (search_engine,
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sexp_query,
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self->cancellable,
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on_search_finished_cb,
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g_object_ref (self));
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GCAL_EXIT;
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}
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static void
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on_entry_stop_search_cb (GtkSearchEntry *search_entry,
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GcalSearchButton *self)
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{
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g_debug ("Exiting search mode");
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quit_search_entry (self);
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}
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static void
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on_results_listview_activated_cb (GtkListBox *listbox,
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guint position,
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GcalSearchButton *self)
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{
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GcalSearchHit *search_hit;
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search_hit = g_list_model_get_item (G_LIST_MODEL (self->results_selection_model), position);
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g_assert (GCAL_IS_SEARCH_HIT (search_hit));
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gcal_search_hit_activate (search_hit, GTK_WIDGET (self));
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quit_search_entry (self);
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}
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static void
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on_results_revealer_child_reveal_state_changed_cb (GtkRevealer *revealer,
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GParamSpec *pspec,
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GcalSearchButton *self)
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{
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if (!gtk_revealer_get_child_revealed (revealer) && !gtk_revealer_get_reveal_child (revealer))
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gtk_popover_popdown (GTK_POPOVER (self->popover));
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}
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static gboolean
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string_is_not_empty_cb (GcalSearchHit *hit,
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const gchar *string)
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{
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return string != NULL && *string != '\0';
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}
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/*
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* GObject overrides
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*/
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static void
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gcal_search_button_dispose (GObject *object)
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{
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GcalSearchButton *self = (GcalSearchButton *)object;
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g_clear_pointer (&self->popover, gtk_widget_unparent);
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G_OBJECT_CLASS (gcal_search_button_parent_class)->dispose (object);
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}
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static void
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gcal_search_button_finalize (GObject *object)
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{
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GcalSearchButton *self = (GcalSearchButton *)object;
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g_cancellable_cancel (self->cancellable);
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g_clear_object (&self->cancellable);
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g_clear_object (&self->context);
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G_OBJECT_CLASS (gcal_search_button_parent_class)->finalize (object);
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}
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static void
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gcal_search_button_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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GcalSearchButton *self = GCAL_SEARCH_BUTTON (object);
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switch (prop_id)
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{
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case PROP_CONTEXT:
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g_value_set_object (value, self->context);
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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_search_button_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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GcalSearchButton *self = GCAL_SEARCH_BUTTON (object);
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switch (prop_id)
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{
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case PROP_CONTEXT:
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g_assert (self->context == NULL);
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self->context = g_value_dup_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_search_button_class_init (GcalSearchButtonClass *klass)
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{
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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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object_class->dispose = gcal_search_button_dispose;
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object_class->finalize = gcal_search_button_finalize;
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object_class->get_property = gcal_search_button_get_property;
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object_class->set_property = gcal_search_button_set_property;
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/**
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* GcalSearchButton::context:
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*
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* The #GcalContext of the application.
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*/
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properties[PROP_CONTEXT] = g_param_spec_object ("context",
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"Context of the application",
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"The context of the application",
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GCAL_TYPE_CONTEXT,
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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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gtk_widget_class_set_template_from_resource (widget_class, "/org/gnome/calendar/ui/gui/gcal-search-button.ui");
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gtk_widget_class_bind_template_child (widget_class, GcalSearchButton, entry);
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gtk_widget_class_bind_template_child (widget_class, GcalSearchButton, popover);
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gtk_widget_class_bind_template_child (widget_class, GcalSearchButton, results_listview);
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gtk_widget_class_bind_template_child (widget_class, GcalSearchButton, results_selection_model);
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gtk_widget_class_bind_template_child (widget_class, GcalSearchButton, results_revealer);
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gtk_widget_class_bind_template_child (widget_class, GcalSearchButton, stack);
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gtk_widget_class_bind_template_callback (widget_class, escape_markup_cb);
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gtk_widget_class_bind_template_callback (widget_class, on_button_clicked_cb);
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gtk_widget_class_bind_template_callback (widget_class, on_focus_controller_leave_cb);
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gtk_widget_class_bind_template_callback (widget_class, on_entry_activate_cb);
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gtk_widget_class_bind_template_callback (widget_class, on_entry_next_match_cb);
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gtk_widget_class_bind_template_callback (widget_class, on_entry_previous_match_cb);
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gtk_widget_class_bind_template_callback (widget_class, on_entry_search_changed_cb);
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gtk_widget_class_bind_template_callback (widget_class, on_entry_stop_search_cb);
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gtk_widget_class_bind_template_callback (widget_class, on_results_listview_activated_cb);
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gtk_widget_class_bind_template_callback (widget_class, on_results_revealer_child_reveal_state_changed_cb);
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gtk_widget_class_bind_template_callback (widget_class, string_is_not_empty_cb);
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gtk_widget_class_set_css_name (widget_class, "searchbutton");
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}
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static void
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gcal_search_button_init (GcalSearchButton *self)
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{
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gtk_widget_init_template (GTK_WIDGET (self));
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gtk_widget_set_parent (GTK_WIDGET (self->popover), GTK_WIDGET (self));
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}
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void
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gcal_search_button_search (GcalSearchButton *self,
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const gchar *search_text)
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{
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g_return_if_fail (GCAL_IS_SEARCH_BUTTON (self));
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gtk_widget_grab_focus (GTK_WIDGET (self));
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gtk_editable_set_text (self->entry, search_text);
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}
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