Merge pull request #70 from gergelypolonkai/city-chooser

Implement country/city chooser

data/geonames/geonames_process.awk

@@ -2,6 +2,6 @@ BEGIN {
     FS="\t"
 }
 {
-    if ($7 != "P" || $8 != "PPL" || $15 < 1000) next
+    if ($7 != "P" || ($8 != "PPL" && $8 != "PPLC") || $15 < 1000) next
     print $9 FS $2 FS $5 FS $6 FS $16 FS $18
 }

data/geonames/geonames_process.pl

@@ -16,25 +16,34 @@ while (<TIMEZONES>) {
 }
 close(TIMEZONES);
 
+my $xml_file = IO::File->new('>geodata.xml');
+my $writer = XML::Writer->new(OUTPUT => $xml_file, NEWLINES => 0);
+
+$writer->xmlDecl('utf-8');
+$writer->startTag('geodata');
+$writer->startTag('countries');
+
 open(COUNTRIES, 'countryInfo.txt') or die("Cannot open countryInfo.txt: $!\n");
 while (<COUNTRIES>) {
     my ($country_code, $iso3, $iso_numeric, $fips, $name, $capital, $area, $population, $continent, $tld, $currency_code, $currency_name, $phone, $postal_code_format, $postal_code_regex, $languages, $geonameid, $neighbours, $equivalent_fips_code) = split(/\t/, $_);
     next if ($country_code !~ /^[A-Z]{2}$/);
 
+    $writer->emptyTag('c',
+            'n'   => $name,
+            'c'   => $country_code,
+        );
+
     if ($country_code =~ /^[A-Z]{2}$/) {
         $countries{$country_code} = $name;
     }
 }
 close(COUNTRIES);
 
+$writer->endTag('countries');
+$writer->startTag('places');
+
 open(GEONAMES, "cities.txt") or die("Cannot open cities.txt: $!\n");
 
-my $xml_file = IO::File->new('>geodata.xml');
-my $writer = XML::Writer->new(OUTPUT => $xml_file, NEWLINES => 0);
-
-$writer->xmlDecl('utf-8');
-$writer->startTag('geodata');
-
 while (<GEONAMES>) {
     chomp($_);
     my ($country_code, $name, $latitude, $longitude, $elevation, $timezone) = split(/\t/, $_);
@@ -62,6 +71,7 @@ while (<GEONAMES>) {
     print $., "\n" if ($. % 19083 == 0);
 }
 
+$writer->endTag('places');
 $writer->endTag('geodata');
 $writer->end();
 $xml_file->close();

src/ag-db.c

@@ -857,7 +857,6 @@ ag_db_get_chart_data_by_id(AgDb *db, guint row_id, GError **err)
 {
     AgDbSave          *save_data;
     const GValue      *value;
-    GdaValueAttribute attributes;
     gchar             *query,
                       *columns;
     guint             i;
@@ -918,18 +917,16 @@ ag_db_get_chart_data_by_id(AgDb *db, guint row_id, GError **err)
 
     /* country */
     value      = gda_data_model_get_value_at(result, COLUMN_COUNTRY, 0, NULL);
-    attributes = gda_data_model_get_attributes_at(result, COLUMN_COUNTRY, 0);
 
-    if (attributes | GDA_VALUE_ATTR_IS_NULL) {
+    if (GDA_VALUE_HOLDS_NULL(value)) {
         save_data->country = NULL;
     } else {
         save_data->country = g_strdup(g_value_get_string(value));
     }
 
     value      = gda_data_model_get_value_at(result, COLUMN_CITY, 0, NULL);
-    attributes = gda_data_model_get_attributes_at(result, COLUMN_CITY, 0);
 
-    if (attributes | GDA_VALUE_ATTR_IS_NULL) {
+    if (GDA_VALUE_HOLDS_NULL(value)) {
         save_data->city = NULL;
     } else {
         save_data->city = g_strdup(g_value_get_string(value));
@@ -952,9 +949,8 @@ ag_db_get_chart_data_by_id(AgDb *db, guint row_id, GError **err)
     save_data->latitude = g_value_get_double(value);
 
     value      = gda_data_model_get_value_at(result, COLUMN_ALTITUDE, 0, NULL);
-    attributes = gda_data_model_get_attributes_at(result, COLUMN_ALTITUDE, 0);
 
-    if (attributes | GDA_VALUE_ATTR_IS_NULL) {
+    if (GDA_VALUE_HOLDS_NULL(value)) {
         save_data->altitude = DEFAULT_ALTITUDE;
     } else {
         save_data->altitude = g_value_get_double(value);
@@ -1010,9 +1006,8 @@ ag_db_get_chart_data_by_id(AgDb *db, guint row_id, GError **err)
     save_data->house_system = g_strdup(g_value_get_string(value));
 
     value      = gda_data_model_get_value_at(result, COLUMN_NOTE, 0, NULL);
-    attributes = gda_data_model_get_attributes_at(result, 15, 0);
 
-    if (attributes | GDA_VALUE_ATTR_IS_NULL) {
+    if (GDA_VALUE_HOLDS_NULL(value)) {
         save_data->note = NULL;
     } else {
         save_data->note = g_strdup(g_value_get_string(value));

src/ag-window.c

@@ -24,6 +24,8 @@ struct _AgWindowPrivate {
     GtkWidget     *selection_toolbar;
     GtkWidget     *stack;
     GtkWidget     *name;
+    GtkWidget     *country;
+    GtkWidget     *city;
     GtkWidget     *north_lat;
     GtkWidget     *south_lat;
     GtkWidget     *latitude;
@@ -55,6 +57,16 @@ struct _AgWindowPrivate {
     GtkListStore  *house_system_model;
     GtkListStore  *db_chart_data;
     AgDbSave      *saved_data;
+    GtkEntryCompletion *country_comp;
+    GtkEntryCompletion *city_comp;
+    gchar              *selected_country;
+    gchar              *selected_city;
+};
+
+struct cc_search {
+    const gchar  *target;
+    GtkTreeIter  *ret_iter;
+    gchar        *ret_code;
 };
 
 G_DEFINE_QUARK(ag_window_error_quark, ag_window_error);
@@ -64,7 +76,7 @@ G_DEFINE_TYPE_WITH_PRIVATE(AgWindow, ag_window, GTK_TYPE_APPLICATION_WINDOW);
 static void
 ag_window_gear_menu_action(GSimpleAction *action,
                            GVariant      *parameter,
-                           gpointer user_data)
+                           gpointer      user_data)
 {
     GVariant *state;
 
@@ -522,6 +534,11 @@ ag_window_update_from_chart(AgWindow *window)
         );
 
     gtk_entry_set_text(GTK_ENTRY(priv->name), ag_chart_get_name(priv->chart));
+    gtk_entry_set_text(
+            GTK_ENTRY(priv->country),
+            ag_chart_get_country(priv->chart)
+        );
+    gtk_entry_set_text(GTK_ENTRY(priv->city), ag_chart_get_city(priv->chart));
 
     if (ag_chart_get_note(priv->chart)) {
         // TODO: maybe setting length to -1 here is not that good of an idea…
@@ -586,9 +603,8 @@ ag_window_recalculate_chart(AgWindow *window, gboolean set_everything)
     edit_data->db_id = db_id;
 
     edit_data->name = g_strdup(gtk_entry_get_text(GTK_ENTRY(priv->name)));
-    // TODO: This will cause problems with imported charts…
+    edit_data->country = g_strdup(gtk_entry_get_text(GTK_ENTRY(priv->country)));
-    edit_data->country = NULL;
+    edit_data->city = g_strdup(gtk_entry_get_text(GTK_ENTRY(priv->city)));
-    edit_data->city = NULL;
     edit_data->longitude = gtk_spin_button_get_value(
             GTK_SPIN_BUTTON(priv->longitude)
         );
@@ -605,7 +621,7 @@ ag_window_recalculate_chart(AgWindow *window, gboolean set_everything)
         edit_data->latitude = - edit_data->latitude;
     }
 
-    // TODO: So as this…
+    // TODO: This will cause problems with imported charts
     edit_data->altitude = DEFAULT_ALTITUDE;
     edit_data->year = gtk_spin_button_get_value_as_int(
             GTK_SPIN_BUTTON(priv->year)
@@ -1122,8 +1138,8 @@ ag_window_new_chart_action(GSimpleAction *action,
 
     /* Empty edit tab values */
     gtk_entry_set_text(GTK_ENTRY(priv->name), "");
-    //gtk_entry_set_text(GTK_ENTRY(priv->country), "");
+    gtk_entry_set_text(GTK_ENTRY(priv->country), "");
-    //gtk_entry_set_text(GTK_ENTRY(priv->city), "");
+    gtk_entry_set_text(GTK_ENTRY(priv->city), "");
     gtk_spin_button_set_value(GTK_SPIN_BUTTON(priv->year), (gdouble)1);
     gtk_spin_button_set_value(GTK_SPIN_BUTTON(priv->month), (gdouble)1);
     gtk_spin_button_set_value(GTK_SPIN_BUTTON(priv->day), (gdouble)1);
@@ -1477,6 +1493,49 @@ ag_window_list_selection_changed_cb(GdMainView *view, AgWindow *window)
     // Here it is possible to set button sensitivity later
 }
 
+static gboolean
+ag_window_city_matches(GtkEntryCompletion *city_comp,
+                       const gchar        *key,
+                       GtkTreeIter        *iter,
+                       AgWindow           *window)
+{
+    AgWindowPrivate *priv = ag_window_get_instance_private(window);
+    gchar           *ccode,
+                    *name,
+                    *normalized_name,
+                    *case_normalized_name;
+    gboolean        ret = FALSE;
+
+    gtk_tree_model_get(
+            gtk_entry_completion_get_model(city_comp), iter,
+            AG_CITY_NAME,    &name,
+            AG_CITY_COUNTRY, &ccode,
+            -1
+        );
+
+    if (
+                (priv->selected_country == NULL)
+                || (strcmp(priv->selected_country, ccode) == 0)
+            ) {
+        normalized_name = g_utf8_normalize(name, -1, G_NORMALIZE_ALL);
+
+        if (normalized_name) {
+            case_normalized_name = g_utf8_casefold(normalized_name, -1);
+            if (strncmp(key, case_normalized_name, strlen(key)) == 0) {
+                ret = TRUE;
+            }
+
+            g_free(case_normalized_name);
+            g_free(normalized_name);
+        }
+    }
+
+    g_free(name);
+    g_free(ccode);
+
+    return ret;
+}
+
 static void
 ag_window_init(AgWindow *window)
 {
@@ -1504,6 +1563,21 @@ ag_window_init(AgWindow *window)
             window
         );
 
+    gtk_entry_completion_set_model(priv->country_comp, country_list);
+    gtk_entry_completion_set_text_column(priv->country_comp, AG_COUNTRY_NAME);
+    gtk_entry_set_completion(GTK_ENTRY(priv->country), priv->country_comp);
+
+    gtk_entry_completion_set_model(priv->city_comp, city_list);
+    gtk_entry_completion_set_text_column(priv->city_comp, AG_CITY_NAME);
+    gtk_entry_completion_set_minimum_key_length(priv->city_comp, 3);
+    gtk_entry_set_completion(GTK_ENTRY(priv->city), priv->city_comp);
+    gtk_entry_completion_set_match_func(
+            priv->city_comp,
+            (GtkEntryCompletionMatchFunc)ag_window_city_matches,
+            window,
+            NULL
+        );
+
     house_system_list = gswe_all_house_systems();
     g_list_foreach(house_system_list, (GFunc)ag_window_add_house_system, priv);
     g_list_free(house_system_list);
@@ -1596,6 +1670,188 @@ ag_window_name_changed_cb(GtkEntry *name_entry, AgWindow *window)
     gtk_header_bar_set_subtitle(GTK_HEADER_BAR(priv->header_bar), name);
 }
 
+static gboolean
+ag_window_find_country(GtkTreeModel     *model,
+                       GtkTreePath      *path,
+                       GtkTreeIter      *iter,
+                       struct cc_search *search)
+{
+    gchar    *name,
+             *ccode;
+    gboolean found = FALSE;
+
+    gtk_tree_model_get(
+            model, iter,
+            AG_COUNTRY_NAME, &name,
+            AG_COUNTRY_CODE, &ccode,
+            -1
+        );
+
+    if (g_utf8_collate(search->target, name) == 0) {
+        found = TRUE;
+        search->ret_iter = gtk_tree_iter_copy(iter);
+        search->ret_code = ccode;
+    } else {
+        g_free(ccode);
+    }
+
+    return found;
+}
+
+/**
+ * ag_window_country_changed_callback:
+ * @country: the #GtkSearchEntry for country search
+ * @window: the window in which the event happens
+ *
+ * This function is called whenever the text in the country search entry is
+ * changed.
+ */
+static void
+ag_window_country_changed_callback(GtkSearchEntry *country, AgWindow *window)
+{
+    struct cc_search search;
+    AgWindowPrivate  *priv = ag_window_get_instance_private(window);
+
+    search.target   = gtk_entry_get_text(GTK_ENTRY(country));
+    search.ret_iter = NULL;
+
+    gtk_tree_model_foreach(
+            country_list,
+            (GtkTreeModelForeachFunc)ag_window_find_country,
+            &search
+        );
+
+    g_free(priv->selected_country);
+
+    if (search.ret_iter != NULL) {
+        g_debug("Country (entry-changed): %s", search.ret_code);
+        gtk_tree_iter_free(search.ret_iter);
+        priv->selected_country = search.ret_code;
+    } else {
+        priv->selected_country = NULL;
+    }
+}
+
+static gboolean
+ag_window_find_city(GtkTreeModel     *model,
+                    GtkTreePath      *path,
+                    GtkTreeIter      *iter,
+                    struct cc_search *search)
+{
+    gchar    *name,
+             *ccode;
+    gboolean found = FALSE;
+
+    gtk_tree_model_get(
+            model, iter,
+            AG_CITY_NAME, &name,
+            AG_CITY_COUNTRY, &ccode,
+            -1
+        );
+
+    if (g_utf8_collate(search->target, name) == 0) {
+        found = TRUE;
+        search->ret_iter = gtk_tree_iter_copy(iter);
+        search->ret_code = ccode;
+    } else {
+        g_free(ccode);
+    }
+
+    return found;
+}
+
+static void
+ag_window_city_changed_callback(GtkSearchEntry *city, AgWindow *window)
+{
+    struct cc_search search;
+    AgWindowPrivate  *priv = ag_window_get_instance_private(window);
+
+    search.target   = gtk_entry_get_text(GTK_ENTRY(city));
+    search.ret_iter = NULL;
+
+    gtk_tree_model_foreach(
+            city_list,
+            (GtkTreeModelForeachFunc)ag_window_find_city,
+            &search
+        );
+
+    g_free(priv->selected_city);
+
+    if (search.ret_iter != NULL) {
+        gdouble longitude,
+                latitude,
+                altitude;
+        gchar   *name,
+                *ccode;
+
+        gtk_tree_model_get(
+                city_list, search.ret_iter,
+                AG_CITY_COUNTRY, &ccode,
+                AG_CITY_NAME,    &name,
+                AG_CITY_LAT,     &latitude,
+                AG_CITY_LONG,    &longitude,
+                AG_CITY_ALT,     &altitude,
+                -1
+            );
+
+        if (
+                    (priv->selected_country != NULL)
+                    && (strcmp(priv->selected_country, ccode) != 0)
+                ) {
+            return;
+        }
+
+        if (latitude < 0.0) {
+            gtk_toggle_button_set_active(
+                    GTK_TOGGLE_BUTTON(priv->south_lat),
+                    TRUE
+                );
+            gtk_spin_button_set_value(
+                    GTK_SPIN_BUTTON(priv->latitude),
+                    -latitude
+                );
+        } else {
+            gtk_toggle_button_set_active(
+                    GTK_TOGGLE_BUTTON(priv->north_lat),
+                    TRUE
+                );
+            gtk_spin_button_set_value(
+                    GTK_SPIN_BUTTON(priv->latitude),
+                    latitude
+                );
+        }
+
+        if (longitude < 0.0) {
+            gtk_toggle_button_set_active(
+                    GTK_TOGGLE_BUTTON(priv->west_long),
+                    TRUE
+                );
+            gtk_spin_button_set_value(
+                    GTK_SPIN_BUTTON(priv->longitude),
+                    -longitude
+                );
+        } else {
+            gtk_toggle_button_set_active(
+                    GTK_TOGGLE_BUTTON(priv->east_long),
+                    TRUE
+                );
+            gtk_spin_button_set_value(
+                    GTK_SPIN_BUTTON(priv->longitude),
+                    longitude
+                );
+        }
+
+        // TODO: implement setting altitude maybe? Is that really necessary?
+
+        g_debug("City (entry-changed): %s (%s); %.6f, %.6f, %.6f", name, search.ret_code, longitude, latitude, altitude);
+        g_free(name);
+        gtk_tree_iter_free(search.ret_iter);
+        priv->selected_city = search.ret_code;
+    } else {
+        priv->selected_city = NULL;
+    }
+}
+
 static void
 ag_window_class_init(AgWindowClass *klass)
 {
@@ -1634,6 +1890,22 @@ ag_window_class_init(AgWindowClass *klass)
             tab_edit
         );
     gtk_widget_class_bind_template_child_private(widget_class, AgWindow, name);
+    gtk_widget_class_bind_template_child_private(
+            widget_class,
+            AgWindow,
+            country
+        );
+    gtk_widget_class_bind_template_child_private(
+            widget_class,
+            AgWindow,
+            country_comp
+        );
+    gtk_widget_class_bind_template_child_private(widget_class, AgWindow, city);
+    gtk_widget_class_bind_template_child_private(
+            widget_class,
+            AgWindow,
+            city_comp
+        );
     gtk_widget_class_bind_template_child_private(widget_class, AgWindow, year);
     gtk_widget_class_bind_template_child_private(widget_class, AgWindow, month);
     gtk_widget_class_bind_template_child_private(widget_class, AgWindow, day);
@@ -1732,6 +2004,14 @@ ag_window_class_init(AgWindowClass *klass)
             widget_class,
             ag_window_name_changed_cb
         );
+    gtk_widget_class_bind_template_callback(
+            widget_class,
+            ag_window_country_changed_callback
+        );
+    gtk_widget_class_bind_template_callback(
+            widget_class,
+            ag_window_city_changed_callback
+        );
 }
 
 gboolean

src/astrognome.c

@@ -7,6 +7,7 @@
 #include <libxslt/xslt.h>
 #include <libxslt/transform.h>
 #include <libexslt/exslt.h>
+#include <libxml/xmlreader.h>
 
 #include <swe-glib.h>
 
@@ -15,10 +16,16 @@
 #include "ag-app.h"
 #include "ag-window.h"
 
+#ifndef LIBXML_READER_ENABLED
+#error "You need to have libxml2 with XmlReader enabled"
+#endif
+
 GtkBuilder    *builder;
 GtkFileFilter *filter_all   = NULL;
 GtkFileFilter *filter_chart = NULL;
 GtkFileFilter *filter_hor   = NULL;
+GtkTreeModel  *country_list = NULL;
+GtkTreeModel  *city_list    = NULL;
 GHashTable    *xinclude_positions;
 
 const char    *moonStateName[] = {
@@ -186,9 +193,9 @@ main(int argc, char *argv[])
 {
     gint              status;
     AgApp             *app;
-    GError            *err = NULL;
+    xmlTextReaderPtr  reader;
     AstrognomeOptions options;
-
+    GError            *err             = NULL;
     GOptionEntry      option_entries[] = {
         {
                 "new-window", 'n',
@@ -279,6 +286,145 @@ main(int argc, char *argv[])
         return EXIT_SUCCESS;
     }
 
+    country_list = GTK_TREE_MODEL(gtk_list_store_new(
+            AG_COUNTRY_COLCOUNT,
+            G_TYPE_STRING,
+            G_TYPE_STRING
+        ));
+
+    city_list = GTK_TREE_MODEL(gtk_list_store_new(
+            AG_CITY_COLCOUNT,
+            G_TYPE_STRING,
+            G_TYPE_STRING,
+            G_TYPE_DOUBLE,
+            G_TYPE_DOUBLE,
+            G_TYPE_DOUBLE,
+            G_TYPE_DOUBLE,
+            G_TYPE_DOUBLE
+        ));
+
+    reader = xmlReaderForFile(PKGDATADIR "/geodata.xml", NULL, 0);
+
+    if (reader != NULL) {
+        int ret;
+
+        while ((ret = xmlTextReaderRead(reader)) == 1) {
+            gchar        *name;
+            GtkTreeIter  iter;
+
+            name = (gchar *)xmlTextReaderConstName(reader);
+
+            if (strcmp(name, "p") == 0) {
+                gchar   *aname,
+                        *acode,
+                        *alat,
+                        *alon,
+                        *aalt,
+                        *atzo,
+                        *atzd,
+                        *endptr;
+                gdouble lat,
+                        lon,
+                        alt,
+                        tzo,
+                        tzd;
+
+                aname = (gchar *)xmlTextReaderGetAttribute(
+                        reader,
+                        BAD_CAST "n"
+                    );
+                acode = (gchar *)xmlTextReaderGetAttribute(
+                        reader,
+                        BAD_CAST "c"
+                    );
+                alat = (gchar *)xmlTextReaderGetAttribute(
+                        reader,
+                        BAD_CAST "lat"
+                    );
+                alon = (gchar *)xmlTextReaderGetAttribute(
+                        reader,
+                        BAD_CAST "lon"
+                    );
+                aalt = (gchar *)xmlTextReaderGetAttribute(
+                        reader,
+                        BAD_CAST "alt"
+                    );
+                atzo = (gchar *)xmlTextReaderGetAttribute(
+                        reader,
+                        BAD_CAST "tzo"
+                    );
+                atzd = (gchar *)xmlTextReaderGetAttribute(
+                        reader,
+                        BAD_CAST "tzd"
+                    );
+
+                lat = g_ascii_strtod(alat, &endptr);
+                lon = g_ascii_strtod(alon, &endptr);
+
+                if (*aalt == '\0') {
+                    alt = DEFAULT_ALTITUDE;
+                } else {
+                    alt = g_ascii_strtod(aalt, &endptr);
+                }
+
+                tzo = g_ascii_strtod(atzo, &endptr);
+                tzd = g_ascii_strtod(atzd, &endptr);
+
+                gtk_list_store_append(GTK_LIST_STORE(city_list), &iter);
+                gtk_list_store_set(
+                        GTK_LIST_STORE(city_list), &iter,
+                        AG_CITY_COUNTRY, acode,
+                        AG_CITY_NAME,    aname,
+                        AG_CITY_LAT,     lat,
+                        AG_CITY_LONG,    lon,
+                        AG_CITY_ALT,     alt,
+                        AG_CITY_TZO,     tzo,
+                        AG_CITY_TZD,     tzd,
+                        -1
+                    );
+
+                g_free(aname);
+                g_free(acode);
+                g_free(alat);
+                g_free(alon);
+                g_free(aalt);
+                g_free(atzo);
+                g_free(atzd);
+            } else if (strcmp(name, "c") == 0) {
+                gchar *aname,
+                      *acode;
+
+                aname = (gchar *)xmlTextReaderGetAttribute(
+                        reader,
+                        BAD_CAST "n"
+                    );
+                acode = (gchar *)xmlTextReaderGetAttribute(
+                        reader,
+                        BAD_CAST "c"
+                    );
+
+                gtk_list_store_append(GTK_LIST_STORE(country_list), &iter);
+                gtk_list_store_set(
+                        GTK_LIST_STORE(country_list), &iter,
+                        AG_COUNTRY_CODE, acode,
+                        AG_COUNTRY_NAME, aname,
+                        -1
+                    );
+
+                g_free(aname);
+                g_free(acode);
+            }
+        }
+
+        xmlFreeTextReader(reader);
+
+        if (ret != 0) {
+            g_error("Parse error in geodata.xml!");
+        }
+    } else {
+        g_error("Unable to open geodata.xml!");
+    }
+
     status = g_application_run(G_APPLICATION(app), argc, argv);
 
     g_hash_table_destroy(xinclude_positions);

src/astrognome.h

@@ -12,6 +12,25 @@ typedef struct {
 extern GtkFileFilter *filter_all;
 extern GtkFileFilter *filter_chart;
 extern GtkFileFilter *filter_hor;
+extern GtkTreeModel  *country_list;
+extern GtkTreeModel  *city_list;
+
+enum {
+    AG_COUNTRY_CODE,
+    AG_COUNTRY_NAME,
+    AG_COUNTRY_COLCOUNT
+};
+
+enum {
+    AG_CITY_COUNTRY,
+    AG_CITY_NAME,
+    AG_CITY_LAT,
+    AG_CITY_LONG,
+    AG_CITY_ALT,
+    AG_CITY_TZO,
+    AG_CITY_TZD,
+    AG_CITY_COLCOUNT
+};
 
 const gchar *ag_house_system_id_to_nick(GsweHouseSystem house_system);
 GsweHouseSystem ag_house_system_nick_to_id(const gchar *nick);

src/resources/ui/ag-window.ui

@@ -136,6 +136,12 @@
       <column type="guint"/>
     </columns>
   </object>
+  <object class="GtkEntryCompletion" id="country_comp">
+    <property name="inline_completion">True</property>
+  </object>
+  <object class="GtkEntryCompletion" id="city_comp">
+    <property name="inline_completion">True</property>
+  </object>
   <template class="AgWindow" parent="GtkApplicationWindow">
     <property name="can_focus">False</property>
     <property name="has_focus">False</property>
@@ -394,10 +400,11 @@
                     <property name="primary_icon_name">edit-find-symbolic</property>
                     <property name="primary_icon_activatable">False</property>
                     <property name="primary_icon_sensitive">False</property>
+                    <signal name="search-changed" handler="ag_window_country_changed_callback" swapped="no"/>
                   </object>
                   <packing>
                     <property name="left_attach">1</property>
-                    <property name="top_attach">2</property>
+                    <property name="top_attach">1</property>
                     <property name="width">3</property>
                   </packing>
                 </child>
@@ -419,10 +426,11 @@
                     <property name="primary_icon_name">edit-find-symbolic</property>
                     <property name="primary_icon_activatable">False</property>
                     <property name="primary_icon_sensitive">False</property>
+                    <signal name="search-changed" handler="ag_window_city_changed_callback" swapped="no"/>
                   </object>
                   <packing>
                     <property name="left_attach">1</property>
-                    <property name="top_attach">1</property>
+                    <property name="top_attach">2</property>
                     <property name="width">3</property>
                   </packing>
                 </child>