[gnome-panel/wip/muktupavels/gweather-4: 3/6] clock: add GWeatherLocationEntry
- From: Alberts Muktupāvels <muktupavels src gnome org>
- To: commits-list gnome org
- Cc:
- Subject: [gnome-panel/wip/muktupavels/gweather-4: 3/6] clock: add GWeatherLocationEntry
- Date: Tue, 1 Mar 2022 11:46:51 +0000 (UTC)
commit fdb568c5073e1af07caecb6fc3ab5639d8c1ad33
Author: Alberts Muktupāvels <alberts muktupavels gmail com>
Date: Sun Feb 27 21:13:17 2022 +0200
clock: add GWeatherLocationEntry
GWeatherLocationEntry is removed from libgweather 4. This commit
adds unmodified copy of this class from libgweather.
modules/clock/gweather-location-entry.c | 880 ++++++++++++++++++++++++++++++++
modules/clock/gweather-location-entry.h | 63 +++
2 files changed, 943 insertions(+)
---
diff --git a/modules/clock/gweather-location-entry.c b/modules/clock/gweather-location-entry.c
new file mode 100644
index 000000000..7b63f995c
--- /dev/null
+++ b/modules/clock/gweather-location-entry.c
@@ -0,0 +1,880 @@
+/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 4 -*- */
+/* location-entry.c - Location-selecting text entry
+ *
+ * Copyright 2008, Red Hat, Inc.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public License
+ * as published by the Free Software Foundation; either version 2.1 of
+ * the License, or (at your option) any later version.
+ *
+ * This library 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
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, see
+ * <https://www.gnu.org/licenses/>.
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <string.h>
+#include <geocode-glib/geocode-glib.h>
+#include <gio/gio.h>
+
+#include "gweather-location-entry.h"
+#include "gweather-private.h"
+
+/**
+ * SECTION:gweatherlocationentry
+ * @Title: GWeatherLocationEntry
+ *
+ * A subclass of #GtkSearchEntry that provides autocompletion on
+ * #GWeatherLocation<!-- -->s
+ */
+
+struct _GWeatherLocationEntryPrivate {
+ GWeatherLocation *location;
+ GWeatherLocation *top;
+ gboolean show_named_timezones;
+ gboolean custom_text;
+ GCancellable *cancellable;
+ GtkTreeModel *model;
+};
+
+G_DEFINE_TYPE (GWeatherLocationEntry, gweather_location_entry, GTK_TYPE_SEARCH_ENTRY)
+
+enum {
+ PROP_0,
+
+ PROP_TOP,
+ PROP_SHOW_NAMED_TIMEZONES,
+ PROP_LOCATION,
+
+ LAST_PROP
+};
+
+static void set_property (GObject *object, guint prop_id,
+ const GValue *value, GParamSpec *pspec);
+static void get_property (GObject *object, guint prop_id,
+ GValue *value, GParamSpec *pspec);
+
+static void set_location_internal (GWeatherLocationEntry *entry,
+ GtkTreeModel *model,
+ GtkTreeIter *iter,
+ GWeatherLocation *loc);
+static void
+fill_location_entry_model (GtkListStore *store, GWeatherLocation *loc,
+ const char *parent_display_name,
+ const char *parent_sort_local_name,
+ const char *parent_compare_local_name,
+ const char *parent_compare_english_name,
+ gboolean show_named_timezones);
+
+enum LOC
+{
+ LOC_GWEATHER_LOCATION_ENTRY_COL_DISPLAY_NAME = 0,
+ LOC_GWEATHER_LOCATION_ENTRY_COL_LOCATION,
+ LOC_GWEATHER_LOCATION_ENTRY_COL_LOCAL_SORT_NAME,
+ LOC_GWEATHER_LOCATION_ENTRY_COL_LOCAL_COMPARE_NAME,
+ LOC_GWEATHER_LOCATION_ENTRY_COL_ENGLISH_COMPARE_NAME,
+ LOC_GWEATHER_LOCATION_ENTRY_NUM_COLUMNS
+};
+
+enum PLACE
+{
+ PLACE_GWEATHER_LOCATION_ENTRY_COL_DISPLAY_NAME = 0,
+ PLACE_GWEATHER_LOCATION_ENTRY_COL_PLACE,
+ PLACE_GWEATHER_LOCATION_ENTRY_COL_LOCAL_SORT_NAME,
+ PLACE_GWEATHER_LOCATION_ENTRY_COL_LOCAL_COMPARE_NAME
+};
+
+static gboolean matcher (GtkEntryCompletion *completion, const char *key,
+ GtkTreeIter *iter, gpointer user_data);
+static gboolean match_selected (GtkEntryCompletion *completion,
+ GtkTreeModel *model,
+ GtkTreeIter *iter,
+ gpointer entry);
+static void entry_changed (GWeatherLocationEntry *entry);
+static void _no_matches (GtkEntryCompletion *completion, GWeatherLocationEntry *entry);
+
+static void
+gweather_location_entry_init (GWeatherLocationEntry *entry)
+{
+ GtkEntryCompletion *completion;
+ GWeatherLocationEntryPrivate *priv;
+
+ priv = entry->priv = G_TYPE_INSTANCE_GET_PRIVATE (entry, GWEATHER_TYPE_LOCATION_ENTRY,
GWeatherLocationEntryPrivate);
+
+ completion = gtk_entry_completion_new ();
+
+ gtk_entry_completion_set_popup_set_width (completion, FALSE);
+ gtk_entry_completion_set_text_column (completion, LOC_GWEATHER_LOCATION_ENTRY_COL_DISPLAY_NAME);
+ gtk_entry_completion_set_match_func (completion, matcher, NULL, NULL);
+ gtk_entry_completion_set_inline_completion (completion, TRUE);
+
+ g_signal_connect (completion, "match-selected",
+ G_CALLBACK (match_selected), entry);
+
+ g_signal_connect (completion, "no-matches",
+ G_CALLBACK (_no_matches), entry);
+
+ gtk_entry_set_completion (GTK_ENTRY (entry), completion);
+ g_object_unref (completion);
+
+ priv->custom_text = FALSE;
+ g_signal_connect (entry, "changed",
+ G_CALLBACK (entry_changed), NULL);
+}
+
+static void
+finalize (GObject *object)
+{
+ GWeatherLocationEntry *entry;
+ GWeatherLocationEntryPrivate *priv;
+
+ entry = GWEATHER_LOCATION_ENTRY (object);
+ priv = entry->priv;
+
+ if (priv->location)
+ gweather_location_unref (priv->location);
+ if (priv->top)
+ gweather_location_unref (priv->top);
+ if (priv->model)
+ g_object_unref (priv->model);
+
+ G_OBJECT_CLASS (gweather_location_entry_parent_class)->finalize (object);
+}
+
+static void
+dispose (GObject *object)
+{
+ GWeatherLocationEntry *entry;
+ GWeatherLocationEntryPrivate *priv;
+
+ entry = GWEATHER_LOCATION_ENTRY (object);
+ priv = entry->priv;
+
+ if (priv->cancellable) {
+ g_cancellable_cancel (priv->cancellable);
+ g_object_unref (priv->cancellable);
+ priv->cancellable = NULL;
+ }
+
+ G_OBJECT_CLASS (gweather_location_entry_parent_class)->dispose (object);
+}
+
+static int
+tree_compare_local_name (GtkTreeModel *model,
+ GtkTreeIter *a,
+ GtkTreeIter *b,
+ gpointer user_data)
+{
+ g_autofree gchar *name_a = NULL, *name_b = NULL;
+
+ gtk_tree_model_get (model, a,
+ LOC_GWEATHER_LOCATION_ENTRY_COL_LOCAL_SORT_NAME, &name_a,
+ -1);
+ gtk_tree_model_get (model, b,
+ LOC_GWEATHER_LOCATION_ENTRY_COL_LOCAL_SORT_NAME, &name_b,
+ -1);
+
+ return g_utf8_collate (name_a, name_b);
+}
+
+
+static void
+constructed (GObject *object)
+{
+ GWeatherLocationEntry *entry;
+ GtkListStore *store = NULL;
+ GtkEntryCompletion *completion;
+
+ entry = GWEATHER_LOCATION_ENTRY (object);
+
+ if (!entry->priv->top)
+ entry->priv->top = gweather_location_get_world ();
+
+ store = gtk_list_store_new (5, G_TYPE_STRING, GWEATHER_TYPE_LOCATION, G_TYPE_STRING, G_TYPE_STRING,
G_TYPE_STRING);
+ gtk_tree_sortable_set_default_sort_func (GTK_TREE_SORTABLE (store),
+ tree_compare_local_name, NULL, NULL);
+ fill_location_entry_model (store, entry->priv->top, NULL, NULL, NULL, NULL,
entry->priv->show_named_timezones);
+
+ entry->priv->model = GTK_TREE_MODEL (store);
+ completion = gtk_entry_get_completion (GTK_ENTRY (entry));
+ gtk_entry_completion_set_match_func (completion, matcher, NULL, NULL);
+ gtk_entry_completion_set_model (completion, GTK_TREE_MODEL (store));
+
+ G_OBJECT_CLASS (gweather_location_entry_parent_class)->constructed (object);
+}
+
+static void
+gweather_location_entry_class_init (GWeatherLocationEntryClass *location_entry_class)
+{
+ GObjectClass *object_class = G_OBJECT_CLASS (location_entry_class);
+
+ object_class->constructed = constructed;
+ object_class->finalize = finalize;
+ object_class->set_property = set_property;
+ object_class->get_property = get_property;
+ object_class->dispose = dispose;
+
+ /* properties */
+ g_object_class_install_property (
+ object_class, PROP_TOP,
+ g_param_spec_boxed ("top",
+ "Top Location",
+ "The GWeatherLocation whose children will be used to fill in the entry",
+ GWEATHER_TYPE_LOCATION,
+ G_PARAM_WRITABLE | G_PARAM_CONSTRUCT_ONLY));
+ g_object_class_install_property (
+ object_class, PROP_SHOW_NAMED_TIMEZONES,
+ g_param_spec_boolean ("show-named-timezones",
+ "Show named timezones",
+ "Whether UTC and other named timezones are shown in the list of locations",
+ FALSE,
+ G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY));
+ g_object_class_install_property (
+ object_class, PROP_LOCATION,
+ g_param_spec_boxed ("location",
+ "Location",
+ "The selected GWeatherLocation",
+ GWEATHER_TYPE_LOCATION,
+ G_PARAM_READWRITE));
+
+ g_type_class_add_private (location_entry_class, sizeof (GWeatherLocationEntryPrivate));
+}
+
+static void
+set_property (GObject *object, guint prop_id,
+ const GValue *value, GParamSpec *pspec)
+{
+ GWeatherLocationEntry *entry = GWEATHER_LOCATION_ENTRY (object);
+
+ switch (prop_id) {
+ case PROP_TOP:
+ entry->priv->top = g_value_dup_boxed (value);
+ break;
+ case PROP_SHOW_NAMED_TIMEZONES:
+ entry->priv->show_named_timezones = g_value_get_boolean (value);
+ break;
+ case PROP_LOCATION:
+ gweather_location_entry_set_location (GWEATHER_LOCATION_ENTRY (object),
+ g_value_get_boxed (value));
+ break;
+ default:
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+ break;
+ }
+}
+
+static void
+get_property (GObject *object, guint prop_id,
+ GValue *value, GParamSpec *pspec)
+{
+ GWeatherLocationEntry *entry = GWEATHER_LOCATION_ENTRY (object);
+
+ switch (prop_id) {
+ case PROP_SHOW_NAMED_TIMEZONES:
+ g_value_set_boolean (value, entry->priv->show_named_timezones);
+ break;
+ case PROP_LOCATION:
+ g_value_set_boxed (value, entry->priv->location);
+ break;
+ default:
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+ break;
+ }
+}
+
+static void
+entry_changed (GWeatherLocationEntry *entry)
+{
+ GtkEntryCompletion *completion;
+ const gchar *text;
+
+ completion = gtk_entry_get_completion (GTK_ENTRY (entry));
+
+ if (entry->priv->cancellable) {
+ g_cancellable_cancel (entry->priv->cancellable);
+ g_object_unref (entry->priv->cancellable);
+ entry->priv->cancellable = NULL;
+ gtk_entry_completion_delete_action (completion, 0);
+ }
+
+ gtk_entry_completion_set_match_func (gtk_entry_get_completion (GTK_ENTRY (entry)), matcher, NULL, NULL);
+ gtk_entry_completion_set_model (gtk_entry_get_completion (GTK_ENTRY (entry)), entry->priv->model);
+
+ text = gtk_entry_get_text (GTK_ENTRY (entry));
+
+ if (text && *text)
+ entry->priv->custom_text = TRUE;
+ else
+ set_location_internal (entry, NULL, NULL, NULL);
+}
+
+static void
+set_location_internal (GWeatherLocationEntry *entry,
+ GtkTreeModel *model,
+ GtkTreeIter *iter,
+ GWeatherLocation *loc)
+{
+ GWeatherLocationEntryPrivate *priv;
+ char *name;
+
+ priv = entry->priv;
+
+ if (priv->location)
+ gweather_location_unref (priv->location);
+
+ g_assert (iter == NULL || loc == NULL);
+
+ if (iter) {
+ gtk_tree_model_get (model, iter,
+ LOC_GWEATHER_LOCATION_ENTRY_COL_DISPLAY_NAME, &name,
+ LOC_GWEATHER_LOCATION_ENTRY_COL_LOCATION, &priv->location,
+ -1);
+ gtk_entry_set_text (GTK_ENTRY (entry), name);
+ priv->custom_text = FALSE;
+ g_free (name);
+ } else if (loc) {
+ priv->location = gweather_location_ref (loc);
+ gtk_entry_set_text (GTK_ENTRY (entry), gweather_location_get_name (loc));
+ priv->custom_text = FALSE;
+ } else {
+ priv->location = NULL;
+ gtk_entry_set_text (GTK_ENTRY (entry), "");
+ priv->custom_text = TRUE;
+ }
+
+ gtk_editable_set_position (GTK_EDITABLE (entry), -1);
+ g_object_notify (G_OBJECT (entry), "location");
+}
+
+/**
+ * gweather_location_entry_set_location:
+ * @entry: a #GWeatherLocationEntry
+ * @loc: (allow-none): a #GWeatherLocation in @entry, or %NULL to
+ * clear @entry
+ *
+ * Sets @entry's location to @loc, and updates the text of the
+ * entry accordingly.
+ * Note that if the database contains a location that compares
+ * equal to @loc, that will be chosen in place of @loc.
+ **/
+void
+gweather_location_entry_set_location (GWeatherLocationEntry *entry,
+ GWeatherLocation *loc)
+{
+ GtkEntryCompletion *completion;
+ GtkTreeModel *model;
+ GtkTreeIter iter;
+ GWeatherLocation *cmploc;
+
+ g_return_if_fail (GWEATHER_IS_LOCATION_ENTRY (entry));
+
+ completion = gtk_entry_get_completion (GTK_ENTRY (entry));
+ model = gtk_entry_completion_get_model (completion);
+
+ if (loc == NULL) {
+ set_location_internal (entry, model, NULL, NULL);
+ return;
+ }
+
+ gtk_tree_model_get_iter_first (model, &iter);
+ do {
+ gtk_tree_model_get (model, &iter,
+ LOC_GWEATHER_LOCATION_ENTRY_COL_LOCATION, &cmploc,
+ -1);
+ if (gweather_location_equal (loc, cmploc)) {
+ set_location_internal (entry, model, &iter, NULL);
+ gweather_location_unref (cmploc);
+ return;
+ }
+
+ gweather_location_unref (cmploc);
+ } while (gtk_tree_model_iter_next (model, &iter));
+
+ set_location_internal (entry, model, NULL, loc);
+}
+
+/**
+ * gweather_location_entry_get_location:
+ * @entry: a #GWeatherLocationEntry
+ *
+ * Gets the location that was set by a previous call to
+ * gweather_location_entry_set_location() or was selected by the user.
+ *
+ * Return value: (transfer full) (allow-none): the selected location
+ * (which you must unref when you are done with it), or %NULL if no
+ * location is selected.
+ **/
+GWeatherLocation *
+gweather_location_entry_get_location (GWeatherLocationEntry *entry)
+{
+ g_return_val_if_fail (GWEATHER_IS_LOCATION_ENTRY (entry), NULL);
+
+ if (entry->priv->location)
+ return gweather_location_ref (entry->priv->location);
+ else
+ return NULL;
+}
+
+/**
+ * gweather_location_entry_has_custom_text:
+ * @entry: a #GWeatherLocationEntry
+ *
+ * Checks whether or not @entry's text has been modified by the user.
+ * Note that this does not mean that no location is associated with @entry.
+ * gweather_location_entry_get_location() should be used for this.
+ *
+ * Return value: %TRUE if @entry's text was modified by the user, or %FALSE if
+ * it's set to the default text of a location.
+ **/
+gboolean
+gweather_location_entry_has_custom_text (GWeatherLocationEntry *entry)
+{
+ g_return_val_if_fail (GWEATHER_IS_LOCATION_ENTRY (entry), FALSE);
+
+ return entry->priv->custom_text;
+}
+
+/**
+ * gweather_location_entry_set_city:
+ * @entry: a #GWeatherLocationEntry
+ * @city_name: (allow-none): the city name, or %NULL
+ * @code: the METAR station code
+ *
+ * Sets @entry's location to a city with the given @code, and given
+ * @city_name, if non-%NULL. If there is no matching city, sets
+ * @entry's location to %NULL.
+ *
+ * Return value: %TRUE if @entry's location could be set to a matching city,
+ * %FALSE otherwise.
+ **/
+gboolean
+gweather_location_entry_set_city (GWeatherLocationEntry *entry,
+ const char *city_name,
+ const char *code)
+{
+ GtkEntryCompletion *completion;
+ GtkTreeModel *model;
+ GtkTreeIter iter;
+ GWeatherLocation *cmploc;
+ const char *cmpcode;
+ char *cmpname;
+
+ g_return_val_if_fail (GWEATHER_IS_LOCATION_ENTRY (entry), FALSE);
+ g_return_val_if_fail (code != NULL, FALSE);
+
+ completion = gtk_entry_get_completion (GTK_ENTRY (entry));
+ model = gtk_entry_completion_get_model (completion);
+
+ gtk_tree_model_get_iter_first (model, &iter);
+ do {
+ gtk_tree_model_get (model, &iter,
+ LOC_GWEATHER_LOCATION_ENTRY_COL_LOCATION, &cmploc,
+ -1);
+
+ cmpcode = gweather_location_get_code (cmploc);
+ if (!cmpcode || strcmp (cmpcode, code) != 0) {
+ gweather_location_unref (cmploc);
+ continue;
+ }
+
+ if (city_name) {
+ cmpname = gweather_location_get_city_name (cmploc);
+ if (!cmpname || strcmp (cmpname, city_name) != 0) {
+ gweather_location_unref (cmploc);
+ g_free (cmpname);
+ continue;
+ }
+ g_free (cmpname);
+ }
+
+ set_location_internal (entry, model, &iter, NULL);
+ gweather_location_unref (cmploc);
+ return TRUE;
+ } while (gtk_tree_model_iter_next (model, &iter));
+
+ set_location_internal (entry, model, NULL, NULL);
+
+ return FALSE;
+}
+
+static void
+fill_location_entry_model (GtkListStore *store, GWeatherLocation *loc,
+ const char *parent_display_name,
+ const char *parent_sort_local_name,
+ const char *parent_compare_local_name,
+ const char *parent_compare_english_name,
+ gboolean show_named_timezones)
+{
+ g_autoptr(GWeatherLocation) child = NULL;
+ char *display_name, *local_sort_name, *local_compare_name, *english_compare_name;
+
+ switch (gweather_location_get_level (loc)) {
+ case GWEATHER_LOCATION_WORLD:
+ case GWEATHER_LOCATION_REGION:
+ /* Ignore these levels of hierarchy; just recurse, passing on
+ * the names from the parent node.
+ */
+ while ((child = gweather_location_next_child (loc, child)))
+ fill_location_entry_model (store, child,
+ parent_display_name,
+ parent_sort_local_name,
+ parent_compare_local_name,
+ parent_compare_english_name,
+ show_named_timezones);
+ break;
+
+ case GWEATHER_LOCATION_COUNTRY:
+ /* Recurse, initializing the names to the country name */
+ while ((child = gweather_location_next_child (loc, child)))
+ fill_location_entry_model (store, child,
+ gweather_location_get_name (loc),
+ gweather_location_get_sort_name (loc),
+ gweather_location_get_sort_name (loc),
+ gweather_location_get_english_sort_name (loc),
+ show_named_timezones);
+ break;
+
+ case GWEATHER_LOCATION_ADM1:
+ /* Recurse, adding the ADM1 name to the country name */
+ /* Translators: this is the name of a location followed by a region, for example:
+ * 'London, United Kingdom'
+ * You shouldn't need to translate this string unless the language has a different comma.
+ */
+ display_name = g_strdup_printf (_("%s, %s"), gweather_location_get_name (loc), parent_display_name);
+ local_sort_name = g_strdup_printf ("%s, %s", parent_sort_local_name, gweather_location_get_sort_name
(loc));
+ local_compare_name = g_strdup_printf ("%s, %s", gweather_location_get_sort_name (loc),
parent_compare_local_name);
+ english_compare_name = g_strdup_printf ("%s, %s", gweather_location_get_english_sort_name (loc),
parent_compare_english_name);
+
+ while ((child = gweather_location_next_child (loc, child)))
+ fill_location_entry_model (store, child,
+ display_name, local_sort_name, local_compare_name,
english_compare_name,
+ show_named_timezones);
+
+ g_free (display_name);
+ g_free (local_sort_name);
+ g_free (local_compare_name);
+ g_free (english_compare_name);
+ break;
+
+ case GWEATHER_LOCATION_CITY:
+ /* If there are multiple (<location>) children, we use the one
+ * closest to the city center.
+ *
+ * Locations are already sorted by increasing distance from
+ * the city.
+ */
+ case GWEATHER_LOCATION_WEATHER_STATION:
+ /* <location> with no parent <city> */
+ /* Translators: this is the name of a location followed by a region, for example:
+ * 'London, United Kingdom'
+ * You shouldn't need to translate this string unless the language has a different comma.
+ */
+ display_name = g_strdup_printf (_("%s, %s"),
+ gweather_location_get_name (loc), parent_display_name);
+ local_sort_name = g_strdup_printf ("%s, %s",
+ parent_sort_local_name, gweather_location_get_sort_name (loc));
+ local_compare_name = g_strdup_printf ("%s, %s",
+ gweather_location_get_sort_name (loc),
parent_compare_local_name);
+ english_compare_name = g_strdup_printf ("%s, %s",
+ gweather_location_get_english_sort_name (loc),
parent_compare_english_name);
+
+ gtk_list_store_insert_with_values (store, NULL, -1,
+ LOC_GWEATHER_LOCATION_ENTRY_COL_LOCATION, loc,
+ LOC_GWEATHER_LOCATION_ENTRY_COL_DISPLAY_NAME, display_name,
+ LOC_GWEATHER_LOCATION_ENTRY_COL_LOCAL_SORT_NAME, local_sort_name,
+ LOC_GWEATHER_LOCATION_ENTRY_COL_LOCAL_COMPARE_NAME,
local_compare_name,
+ LOC_GWEATHER_LOCATION_ENTRY_COL_ENGLISH_COMPARE_NAME,
english_compare_name,
+ -1);
+
+ g_free (display_name);
+ g_free (local_sort_name);
+ g_free (local_compare_name);
+ g_free (english_compare_name);
+ break;
+
+ case GWEATHER_LOCATION_NAMED_TIMEZONE:
+ if (show_named_timezones) {
+ gtk_list_store_insert_with_values (store, NULL, -1,
+ LOC_GWEATHER_LOCATION_ENTRY_COL_LOCATION, loc,
+ LOC_GWEATHER_LOCATION_ENTRY_COL_DISPLAY_NAME,
gweather_location_get_name (loc),
+ LOC_GWEATHER_LOCATION_ENTRY_COL_LOCAL_SORT_NAME,
gweather_location_get_sort_name (loc),
+ LOC_GWEATHER_LOCATION_ENTRY_COL_LOCAL_COMPARE_NAME,
gweather_location_get_sort_name (loc),
+ LOC_GWEATHER_LOCATION_ENTRY_COL_ENGLISH_COMPARE_NAME,
gweather_location_get_english_sort_name (loc),
+ -1);
+ }
+ break;
+
+ case GWEATHER_LOCATION_DETACHED:
+ g_assert_not_reached ();
+ }
+}
+
+static char *
+find_word (const char *full_name, const char *word, int word_len,
+ gboolean whole_word, gboolean is_first_word)
+{
+ char *p;
+
+ if (word == NULL || *word == '\0')
+ return NULL;
+
+ p = (char *)full_name - 1;
+ while ((p = strchr (p + 1, *word))) {
+ if (strncmp (p, word, word_len) != 0)
+ continue;
+
+ if (p > (char *)full_name) {
+ char *prev = g_utf8_prev_char (p);
+
+ /* Make sure p points to the start of a word */
+ if (g_unichar_isalpha (g_utf8_get_char (prev)))
+ continue;
+
+ /* If we're matching the first word of the key, it has to
+ * match the first word of the location, city, state, or
+ * country, or the abbreviation (in parenthesis).
+ * Eg, it either matches the start of the string
+ * (which we already know it doesn't at this point) or
+ * it is preceded by the string ", " or "(" (which isn't actually
+ * a perfect test. FIXME)
+ */
+ if (is_first_word) {
+ if (prev == (char *)full_name ||
+ ((prev - 1 <= full_name && strncmp (prev - 1, ", ", 2) != 0)
+ && *prev != '('))
+ continue;
+ }
+ }
+
+ if (whole_word && g_unichar_isalpha (g_utf8_get_char (p + word_len)))
+ continue;
+
+ return p;
+ }
+ return NULL;
+}
+
+static gboolean
+match_compare_name (const char *key, const char *name)
+{
+ gboolean is_first_word = TRUE;
+ size_t len;
+
+ /* Ignore whitespace before the string */
+ key += strspn (key, " ");
+
+ /* All but the last word in KEY must match a full word from NAME,
+ * in order (but possibly skipping some words from NAME).
+ */
+ len = strcspn (key, " ");
+ while (key[len]) {
+ name = find_word (name, key, len, TRUE, is_first_word);
+ if (!name)
+ return FALSE;
+
+ key += len;
+ while (*key && !g_unichar_isalpha (g_utf8_get_char (key)))
+ key = g_utf8_next_char (key);
+ while (*name && !g_unichar_isalpha (g_utf8_get_char (name)))
+ name = g_utf8_next_char (name);
+
+ len = strcspn (key, " ");
+ is_first_word = FALSE;
+ }
+
+ /* The last word in KEY must match a prefix of a following word in NAME */
+ if (len == 0) {
+ return TRUE;
+ } else {
+ // if we get here, key[len] == 0, so...
+ g_assert (len == strlen(key));
+ return find_word (name, key, len, FALSE, is_first_word) != NULL;
+ }
+}
+
+static gboolean
+matcher (GtkEntryCompletion *completion, const char *key,
+ GtkTreeIter *iter, gpointer user_data)
+{
+ char *local_compare_name, *english_compare_name;
+ gboolean match;
+
+ gtk_tree_model_get (gtk_entry_completion_get_model (completion), iter,
+ LOC_GWEATHER_LOCATION_ENTRY_COL_LOCAL_COMPARE_NAME, &local_compare_name,
+ LOC_GWEATHER_LOCATION_ENTRY_COL_ENGLISH_COMPARE_NAME, &english_compare_name,
+ -1);
+
+ match = match_compare_name (key, local_compare_name) ||
+ match_compare_name (key, english_compare_name) ||
+ g_ascii_strcasecmp (key, english_compare_name) == 0;
+
+ g_free (local_compare_name);
+ g_free (english_compare_name);
+ return match;
+}
+
+static gboolean
+match_selected (GtkEntryCompletion *completion,
+ GtkTreeModel *model,
+ GtkTreeIter *iter,
+ gpointer entry)
+{
+ GWeatherLocationEntryPrivate *priv;
+
+ priv = ((GWeatherLocationEntry *)entry)->priv;
+
+ if (model != priv->model) {
+ GeocodePlace *place;
+ char *display_name;
+ GeocodeLocation *loc;
+ GWeatherLocation *location;
+ GWeatherLocation *scope = NULL;
+ const char* country_code;
+
+ gtk_tree_model_get (model, iter,
+ PLACE_GWEATHER_LOCATION_ENTRY_COL_PLACE, &place,
+ PLACE_GWEATHER_LOCATION_ENTRY_COL_DISPLAY_NAME, &display_name,
+ -1);
+
+ country_code = geocode_place_get_country_code (place);
+ if (country_code != NULL && gweather_location_get_level (priv->top) == GWEATHER_LOCATION_WORLD)
+ scope = gweather_location_find_by_country_code (priv->top, country_code);
+ if (!scope)
+ scope = priv->top;
+
+ loc = geocode_place_get_location (place);
+ location = gweather_location_find_nearest_city (scope, geocode_location_get_latitude (loc),
geocode_location_get_longitude (loc));
+
+ location = _gweather_location_new_detached (location, display_name, TRUE,
+ geocode_location_get_latitude (loc) * M_PI / 180.0,
+ geocode_location_get_longitude (loc) * M_PI / 180.0);
+
+ set_location_internal (entry, model, NULL, location);
+
+ g_object_unref (place);
+ g_free (display_name);
+ } else {
+ set_location_internal (entry, model, iter, NULL);
+ }
+ return TRUE;
+}
+
+static gboolean
+new_matcher (GtkEntryCompletion *completion, const char *key,
+ GtkTreeIter *iter, gpointer user_data)
+{
+ return TRUE;
+}
+
+static void
+fill_store (gpointer data, gpointer user_data)
+{
+ GeocodePlace *place = GEOCODE_PLACE (data);
+ GeocodeLocation *loc = geocode_place_get_location (place);
+ const char *display_name;
+ char *normalized;
+ char *compare_name;
+
+ display_name = geocode_location_get_description (loc);
+ normalized = g_utf8_normalize (display_name, -1, G_NORMALIZE_ALL);
+ compare_name = g_utf8_casefold (normalized, -1);
+
+ gtk_list_store_insert_with_values (user_data, NULL, -1,
+ PLACE_GWEATHER_LOCATION_ENTRY_COL_PLACE, place,
+ PLACE_GWEATHER_LOCATION_ENTRY_COL_DISPLAY_NAME, display_name,
+ PLACE_GWEATHER_LOCATION_ENTRY_COL_LOCAL_SORT_NAME, compare_name,
+ PLACE_GWEATHER_LOCATION_ENTRY_COL_LOCAL_COMPARE_NAME, compare_name,
+ -1);
+
+ g_free (normalized);
+ g_free (compare_name);
+}
+
+static void
+_got_places (GObject *source_object,
+ GAsyncResult *result,
+ gpointer user_data)
+{
+ GList *places;
+ GWeatherLocationEntry *self = user_data;
+ GError *error = NULL;
+ GtkListStore *store = NULL;
+ GtkEntryCompletion *completion;
+
+ places = geocode_forward_search_finish (GEOCODE_FORWARD (source_object), result, &error);
+ if (places == NULL) {
+ /* return without touching anything if cancelled (the entry might have been disposed) */
+ if (g_error_matches (error, G_IO_ERROR, G_IO_ERROR_CANCELLED)) {
+ g_clear_error (&error);
+ return;
+ }
+
+ g_clear_error (&error);
+ completion = gtk_entry_get_completion (user_data);
+ gtk_entry_completion_set_match_func (completion, matcher, NULL, NULL);
+ gtk_entry_completion_set_model (completion, self->priv->model);
+ goto out;
+ }
+
+ completion = gtk_entry_get_completion (user_data);
+ store = gtk_list_store_new (5, G_TYPE_STRING, GEOCODE_TYPE_PLACE, G_TYPE_STRING, G_TYPE_STRING,
G_TYPE_STRING);
+ gtk_tree_sortable_set_default_sort_func (GTK_TREE_SORTABLE (store),
+ tree_compare_local_name, NULL, NULL);
+ g_list_foreach (places, fill_store, store);
+ g_list_free (places);
+ gtk_entry_completion_set_match_func (completion, new_matcher, NULL, NULL);
+ gtk_entry_completion_set_model (completion, GTK_TREE_MODEL (store));
+ g_object_unref (store);
+
+ out:
+ gtk_entry_completion_delete_action (completion, 0);
+ g_clear_object (&self->priv->cancellable);
+}
+
+static void
+_no_matches (GtkEntryCompletion *completion, GWeatherLocationEntry *entry) {
+ const gchar *key = gtk_entry_get_text(GTK_ENTRY (entry));
+ GeocodeForward *forward;
+
+ if (entry->priv->cancellable) {
+ g_cancellable_cancel (entry->priv->cancellable);
+ g_object_unref (entry->priv->cancellable);
+ entry->priv->cancellable = NULL;
+ } else {
+ gtk_entry_completion_insert_action_text (completion, 0, _("Loading…"));
+ }
+
+ entry->priv->cancellable = g_cancellable_new ();
+
+ forward = geocode_forward_new_for_string(key);
+ geocode_forward_search_async (forward, entry->priv->cancellable, _got_places, entry);
+}
+
+/**
+ * gweather_location_entry_new:
+ * @top: the top-level location for the entry.
+ *
+ * Creates a new #GWeatherLocationEntry.
+ *
+ * @top will normally be the location returned from
+ * gweather_location_get_world(), but you can create an entry that
+ * only accepts a smaller set of locations if you want.
+ *
+ * Return value: the new #GWeatherLocationEntry
+ **/
+GtkWidget *
+gweather_location_entry_new (GWeatherLocation *top)
+{
+ return g_object_new (GWEATHER_TYPE_LOCATION_ENTRY,
+ "top", top,
+ NULL);
+}
diff --git a/modules/clock/gweather-location-entry.h b/modules/clock/gweather-location-entry.h
new file mode 100644
index 000000000..5d7ab63d9
--- /dev/null
+++ b/modules/clock/gweather-location-entry.h
@@ -0,0 +1,63 @@
+/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 4 -*- */
+/* location-entry.h - Location-selecting text entry
+ *
+ * Copyright 2008, Red Hat, Inc.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public License
+ * as published by the Free Software Foundation; either version 2.1 of
+ * the License, or (at your option) any later version.
+ *
+ * This library 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
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, see
+ * <https://www.gnu.org/licenses/>.
+ */
+
+#ifndef GWEATHER_LOCATION_ENTRY_H
+#define GWEATHER_LOCATION_ENTRY_H 1
+
+#if !(defined(IN_GWEATHER_H) || defined(GWEATHER_COMPILATION))
+#error "gweather-location-entry.h must not be included individually, include gweather.h instead"
+#endif
+
+#include <gtk/gtk.h>
+#include <libgweather/gweather-location.h>
+
+typedef struct _GWeatherLocationEntry GWeatherLocationEntry;
+typedef struct _GWeatherLocationEntryClass GWeatherLocationEntryClass;
+typedef struct _GWeatherLocationEntryPrivate GWeatherLocationEntryPrivate;
+
+#define GWEATHER_TYPE_LOCATION_ENTRY (gweather_location_entry_get_type ())
+#define GWEATHER_LOCATION_ENTRY(object) (G_TYPE_CHECK_INSTANCE_CAST ((object),
GWEATHER_TYPE_LOCATION_ENTRY, GWeatherLocationEntry))
+#define GWEATHER_LOCATION_ENTRY_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass),
GWEATHER_TYPE_LOCATION_ENTRY, GWeatherLocationEntryClass))
+#define GWEATHER_IS_LOCATION_ENTRY(object) (G_TYPE_CHECK_INSTANCE_TYPE ((object),
GWEATHER_TYPE_LOCATION_ENTRY))
+#define GWEATHER_IS_LOCATION_ENTRY_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass),
GWEATHER_TYPE_LOCATION_ENTRY))
+#define GWEATHER_LOCATION_ENTRY_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj),
GWEATHER_TYPE_LOCATION_ENTRY, GWeatherLocationEntryClass))
+
+struct _GWeatherLocationEntry {
+ GtkSearchEntry parent;
+
+ /*< private >*/
+ GWeatherLocationEntryPrivate *priv;
+};
+
+struct _GWeatherLocationEntryClass {
+ GtkSearchEntryClass parent_class;
+};
+
+GType gweather_location_entry_get_type (void);
+GtkWidget *gweather_location_entry_new (GWeatherLocation *top);
+void gweather_location_entry_set_location (GWeatherLocationEntry *entry,
+ GWeatherLocation *loc);
+GWeatherLocation *gweather_location_entry_get_location (GWeatherLocationEntry *entry);
+gboolean gweather_location_entry_has_custom_text (GWeatherLocationEntry *entry);
+gboolean gweather_location_entry_set_city (GWeatherLocationEntry *entry,
+ const char *city_name,
+ const char *code);
+
+#endif
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