2 * viking -- GPS Data and Topo Analyzer, Explorer, and Manager
4 * Copyright (C) 2003-2005, Evan Battaglia <gtoevan@gmx.net>
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
20 * Created by Quy Tonthat <qtonthat@gmail.com>
29 #include <glib/gstdio.h>
30 #include <glib/gprintf.h>
31 #include <glib/gi18n.h>
35 #include "curl_download.h"
37 #define GEONAMES_WIKIPEDIA_URL_FMT "http://ws.geonames.org/wikipediaBoundingBoxJSON?formatted=true&north=%f&south=%f&east=%f&west=%f"
38 #define GEONAMES_SEARCH_URL_FMT "http://ws.geonames.org/searchJSON?formatted=true&style=medium&maxRows=10&lang=en&q=%s"
39 #define GEONAMES_COUNTRY_PATTERN "\"countryName\": \""
40 #define GEONAMES_LONGITUDE_PATTERN "\"lng\": "
41 #define GEONAMES_NAME_PATTERN "\"name\": \""
42 #define GEONAMES_LATITUDE_PATTERN "\"lat\": "
43 #define GEONAMES_TITLE_PATTERN "\"title\": \""
44 #define GEONAMES_WIKIPEDIAURL_PATTERN "\"wikipediaUrl\": \""
45 #define GEONAMES_THUMBNAILIMG_PATTERN "\"thumbnailImg\": \""
46 #define GEONAMES_SEARCH_NOT_FOUND "not understand the location"
48 static gchar *last_search_str = NULL;
49 static VikCoord *last_coord = NULL;
50 static gchar *last_successful_search_str = NULL;
52 /* found_geoname: Type to contain data returned from GeoNames.org */
61 found_geoname *new_found_geoname()
65 ret = (found_geoname *)g_malloc(sizeof(found_geoname));
74 found_geoname *copy_found_geoname(found_geoname *src)
76 found_geoname *dest = new_found_geoname();
77 dest->name = g_strdup(src->name);
78 dest->country = g_strdup(src->country);
79 dest->ll.lat = src->ll.lat;
80 dest->ll.lon = src->ll.lon;
81 dest->desc = g_strdup(src->desc);
85 static void free_list_geonames(found_geoname *geoname, gpointer userdata)
87 g_free(geoname->name);
88 g_free(geoname->country);
89 g_free(geoname->desc);
92 void free_geoname_list(GList *found_places)
94 g_list_foreach(found_places, (GFunc)free_list_geonames, NULL);
95 g_list_free(found_places);
98 gchar * a_geonamessearch_get_search_string_for_this_place(VikWindow *vw)
103 VikViewport *vvp = vik_window_viewport(vw);
104 const VikCoord *cur_center = vik_viewport_get_center(vvp);
105 if (vik_coord_equals(cur_center, last_coord)) {
106 return(last_successful_search_str);
112 static void none_found(VikWindow *vw)
114 GtkWidget *dialog = NULL;
116 dialog = gtk_dialog_new_with_buttons ( "", GTK_WINDOW(vw), 0, GTK_STOCK_OK, GTK_RESPONSE_ACCEPT, NULL );
117 gtk_window_set_title(GTK_WINDOW(dialog), _("Search"));
119 GtkWidget *search_label = gtk_label_new(_("No entries found!"));
120 gtk_box_pack_start ( GTK_BOX(GTK_DIALOG(dialog)->vbox), search_label, FALSE, FALSE, 5 );
121 gtk_widget_show_all(dialog);
123 gtk_dialog_run ( GTK_DIALOG(dialog) );
124 gtk_widget_destroy(dialog);
127 static gboolean prompt_try_again(VikWindow *vw)
129 GtkWidget *dialog = NULL;
132 dialog = gtk_dialog_new_with_buttons ( "", GTK_WINDOW(vw), 0, GTK_STOCK_OK, GTK_RESPONSE_ACCEPT, GTK_STOCK_CANCEL, GTK_RESPONSE_REJECT, NULL );
133 gtk_window_set_title(GTK_WINDOW(dialog), _("Search"));
135 GtkWidget *search_label = gtk_label_new(_("I don't know that place. Do you want another search?"));
136 gtk_box_pack_start ( GTK_BOX(GTK_DIALOG(dialog)->vbox), search_label, FALSE, FALSE, 5 );
137 gtk_widget_show_all(dialog);
139 if ( gtk_dialog_run ( GTK_DIALOG(dialog) ) != GTK_RESPONSE_ACCEPT )
142 gtk_widget_destroy(dialog);
146 static gchar * a_prompt_for_search_string(VikWindow *vw)
148 GtkWidget *dialog = NULL;
150 dialog = gtk_dialog_new_with_buttons ( "", GTK_WINDOW(vw), 0, GTK_STOCK_OK, GTK_RESPONSE_ACCEPT, GTK_STOCK_CANCEL, GTK_RESPONSE_REJECT, NULL );
151 gtk_window_set_title(GTK_WINDOW(dialog), _("Search"));
153 GtkWidget *search_label = gtk_label_new(_("Enter address or place name:"));
154 GtkWidget *search_entry = gtk_entry_new();
156 gtk_entry_set_text(GTK_ENTRY(search_entry), last_search_str);
158 gtk_box_pack_start ( GTK_BOX(GTK_DIALOG(dialog)->vbox), search_label, FALSE, FALSE, 5 );
159 gtk_box_pack_start ( GTK_BOX(GTK_DIALOG(dialog)->vbox), search_entry, FALSE, FALSE, 5 );
160 gtk_widget_show_all(dialog);
162 if ( gtk_dialog_run ( GTK_DIALOG(dialog) ) != GTK_RESPONSE_ACCEPT ) {
163 gtk_widget_destroy(dialog);
167 gchar *search_str = g_strdup ( gtk_entry_get_text ( GTK_ENTRY(search_entry) ) );
169 gtk_widget_destroy(dialog);
171 if (search_str[0] != '\0') {
173 g_free(last_search_str);
174 last_search_str = g_strdup(search_str);
177 return(search_str); /* search_str needs to be freed by caller */
181 void buttonToggled(GtkCellRendererToggle* renderer, gchar* pathStr, gpointer data)
185 GtkTreePath* path = gtk_tree_path_new_from_string(pathStr);
186 gtk_tree_model_get_iter(GTK_TREE_MODEL (data), &iter, path);
187 gtk_tree_model_get(GTK_TREE_MODEL (data), &iter, 0, &enabled, -1);
189 gtk_tree_store_set(GTK_TREE_STORE (data), &iter, 0, enabled, -1);
192 GList *a_select_geoname_from_list(GtkWindow *parent, GList *geonames, gboolean multiple_selection_allowed, const gchar *title, const gchar *msg)
195 GtkCellRenderer *renderer;
196 GtkCellRenderer *toggle_render;
198 found_geoname *geoname;
199 gchar *latlon_string;
204 GtkWidget *dialog = gtk_dialog_new_with_buttons (title,
206 GTK_DIALOG_MODAL | GTK_DIALOG_DESTROY_WITH_PARENT,
212 GtkWidget *label = gtk_label_new ( msg );
214 if (multiple_selection_allowed)
216 store = gtk_tree_store_new(4, G_TYPE_BOOLEAN, G_TYPE_STRING, G_TYPE_STRING, G_TYPE_STRING);
220 store = gtk_tree_store_new(3, G_TYPE_STRING, G_TYPE_STRING, G_TYPE_STRING);
222 GList *geoname_runner = geonames;
223 while (geoname_runner)
225 geoname = (found_geoname *)geoname_runner->data;
226 latlon_string = g_strdup_printf("(%f,%f)", geoname->ll.lat, geoname->ll.lon);
227 gtk_tree_store_append(store, &iter, NULL);
228 if (multiple_selection_allowed)
230 gtk_tree_store_set(store, &iter, 0, FALSE, 1, geoname->name, 2, geoname->country, 3, latlon_string, -1);
234 gtk_tree_store_set(store, &iter, 0, geoname->name, 1, geoname->country, 2, latlon_string, -1);
236 geoname_runner = g_list_next(geoname_runner);
237 g_free(latlon_string);
239 view = gtk_tree_view_new();
240 renderer = gtk_cell_renderer_text_new();
242 if (multiple_selection_allowed)
244 toggle_render = gtk_cell_renderer_toggle_new();
245 g_object_set(toggle_render, "activatable", TRUE, NULL);
246 g_signal_connect(toggle_render, "toggled", (GCallback) buttonToggled, GTK_TREE_MODEL(store));
247 gtk_tree_view_insert_column_with_attributes( GTK_TREE_VIEW(view), -1, "Select", toggle_render, "active", column_runner, NULL);
250 gtk_tree_view_insert_column_with_attributes( GTK_TREE_VIEW(view), -1, "Name", renderer, "text", column_runner, NULL);
252 gtk_tree_view_insert_column_with_attributes( GTK_TREE_VIEW(view), -1, "Country", renderer, "text", column_runner, NULL);
254 gtk_tree_view_insert_column_with_attributes( GTK_TREE_VIEW(view), -1, "Lat/Lon", renderer, "text", column_runner, NULL);
255 gtk_tree_view_set_headers_visible( GTK_TREE_VIEW(view), TRUE);
256 gtk_tree_view_set_model(GTK_TREE_VIEW(view), GTK_TREE_MODEL(store));
257 gtk_tree_selection_set_mode( gtk_tree_view_get_selection(GTK_TREE_VIEW(view)),
258 multiple_selection_allowed ? GTK_SELECTION_MULTIPLE : GTK_SELECTION_BROWSE );
259 g_object_unref(store);
261 gtk_box_pack_start (GTK_BOX(GTK_DIALOG(dialog)->vbox), label, FALSE, FALSE, 0);
262 gtk_widget_show ( label );
263 gtk_box_pack_start (GTK_BOX(GTK_DIALOG(dialog)->vbox), view, FALSE, FALSE, 0);
264 gtk_widget_show ( view );
265 while ( gtk_dialog_run (GTK_DIALOG (dialog)) == GTK_RESPONSE_ACCEPT )
267 GtkTreeSelection *selection = gtk_tree_view_get_selection(GTK_TREE_VIEW(view));
268 GList *selected_geonames = NULL;
270 gtk_tree_model_get_iter_first( GTK_TREE_MODEL(store), &iter);
271 geoname_runner = geonames;
272 while (geoname_runner)
275 if (multiple_selection_allowed)
277 gtk_tree_model_get(GTK_TREE_MODEL(store), &iter, 0, &checked, -1);
284 if (gtk_tree_selection_iter_is_selected(selection, &iter))
290 found_geoname *copied = copy_found_geoname(geoname_runner->data);
291 selected_geonames = g_list_prepend(selected_geonames, copied);
293 geoname_runner = g_list_next(geoname_runner);
294 gtk_tree_model_iter_next(GTK_TREE_MODEL(store), &iter);
296 if (selected_geonames)
298 gtk_widget_destroy ( dialog );
299 return (selected_geonames);
301 a_dialog_error_msg(parent, _("Nothing was selected"));
303 gtk_widget_destroy ( dialog );
307 GList *get_entries_from_file(gchar *file_name)
312 gboolean more = TRUE;
313 gchar lat_buf[32], lon_buf[32];
316 GList *found_places = NULL;
317 found_geoname *geoname = NULL;
318 gchar **found_entries;
321 gchar *wikipedia_url = NULL;
322 gchar *thumbnail_url = NULL;
324 lat_buf[0] = lon_buf[0] = '\0';
326 if ((mf = g_mapped_file_new(file_name, FALSE, NULL)) == NULL) {
327 g_critical(_("couldn't map temp file"));
330 len = g_mapped_file_get_length(mf);
331 text = g_mapped_file_get_contents(mf);
333 if (g_strstr_len(text, len, GEONAMES_SEARCH_NOT_FOUND) != NULL) {
336 found_entries = g_strsplit(text, "},", 0);
338 entry = found_entries[entry_runner];
342 geoname = new_found_geoname();
343 if ((pat = g_strstr_len(entry, strlen(entry), GEONAMES_COUNTRY_PATTERN))) {
344 pat += strlen(GEONAMES_COUNTRY_PATTERN);
347 while (*pat != '"') {
351 geoname -> country = g_strndup(s, fragment_len);
353 if ((pat = g_strstr_len(entry, strlen(entry), GEONAMES_LONGITUDE_PATTERN)) == NULL) {
357 pat += strlen(GEONAMES_LONGITUDE_PATTERN);
361 while ((s < (lon_buf + sizeof(lon_buf))) && (pat < (text + len)) &&
362 (g_ascii_isdigit(*pat) || (*pat == '.')))
365 if ((pat >= (text + len)) || (lon_buf[0] == '\0')) {
368 geoname->ll.lon = g_ascii_strtod(lon_buf, NULL);
370 if ((pat = g_strstr_len(entry, strlen(entry), GEONAMES_NAME_PATTERN))) {
371 pat += strlen(GEONAMES_NAME_PATTERN);
374 while (*pat != '"') {
378 geoname -> name = g_strndup(s, fragment_len);
380 if ((pat = g_strstr_len(entry, strlen(entry), GEONAMES_TITLE_PATTERN))) {
381 pat += strlen(GEONAMES_TITLE_PATTERN);
384 while (*pat != '"') {
388 geoname -> name = g_strndup(s, fragment_len);
390 if ((pat = g_strstr_len(entry, strlen(entry), GEONAMES_WIKIPEDIAURL_PATTERN))) {
391 pat += strlen(GEONAMES_WIKIPEDIAURL_PATTERN);
394 while (*pat != '"') {
398 wikipedia_url = g_strndup(s, fragment_len);
400 if ((pat = g_strstr_len(entry, strlen(entry), GEONAMES_THUMBNAILIMG_PATTERN))) {
401 pat += strlen(GEONAMES_THUMBNAILIMG_PATTERN);
404 while (*pat != '"') {
408 thumbnail_url = g_strndup(s, fragment_len);
410 if ((pat = g_strstr_len(entry, strlen(entry), GEONAMES_LATITUDE_PATTERN)) == NULL) {
414 pat += strlen(GEONAMES_LATITUDE_PATTERN);
418 while ((s < (lat_buf + sizeof(lat_buf))) && (pat < (text + len)) &&
419 (g_ascii_isdigit(*pat) || (*pat == '.')))
422 if ((pat >= (text + len)) || (lat_buf[0] == '\0')) {
425 geoname->ll.lat = g_ascii_strtod(lat_buf, NULL);
435 geoname -> desc = g_strdup_printf("<a href=\"http://%s\" target=\"_blank\"><img src=\"%s\" border=\"0\"/></a>", wikipedia_url, thumbnail_url);
438 geoname -> desc = g_strdup_printf("<a href=\"http://%s\" target=\"_blank\">%s</a>", wikipedia_url, geoname->name);
442 g_free(wikipedia_url);
443 wikipedia_url = NULL;
446 g_free(thumbnail_url);
447 thumbnail_url = NULL;
449 found_places = g_list_prepend(found_places, geoname);
452 entry = found_entries[entry_runner];
454 g_strfreev(found_entries);
455 found_places = g_list_reverse(found_places);
456 g_mapped_file_free(mf);
457 return(found_places);
461 static int parse_file_for_latlon(VikWindow *vw, gchar *file_name, struct LatLon *ll)
464 1 : All OK, position selected;
465 2 : No position selected;
466 3 : No places found. */
468 found_geoname *geoname;
469 GList *found_places = get_entries_from_file(file_name);
470 int num_found_places;
472 num_found_places = g_list_length(found_places);
473 if (num_found_places == 0) {
477 if (num_found_places == 1) {
478 geoname = (found_geoname *)found_places->data;
479 ll->lat = geoname->ll.lat;
480 ll->lon = geoname->ll.lon;
484 GList *selected = a_select_geoname_from_list(VIK_GTK_WINDOW_FROM_WIDGET(vw), found_places, FALSE, "Select place", "Select the place to go to");
487 geoname = (found_geoname *)selected->data;
488 ll->lat = geoname->ll.lat;
489 ll->lon = geoname->ll.lon;
490 g_list_foreach(selected, (GFunc)free_list_geonames, NULL);
498 free_geoname_list(found_places);
502 gchar *download_url(gchar *uri)
508 if ((tmp_fd = g_file_open_tmp ("vikgsearch.XXXXXX", &tmpname, NULL)) == -1) {
509 g_critical(_("couldn't open temp file"));
512 tmp_file = fdopen(tmp_fd, "r+");
514 // TODO: curl may not be available
515 if (curl_download_uri(uri, tmp_file, NULL)) { // error
527 static int geonames_search_get_coord(VikWindow *vw, VikViewport *vvp, gchar *srch_str, VikCoord *coord)
530 gchar *escaped_srch_str;
531 int ret = 1; /* OK */
535 g_debug("%s: raw search: %s", __FUNCTION__, srch_str);
536 escaped_srch_str = uri_escape(srch_str);
537 g_debug("%s: escaped search: %s", __FUNCTION__, escaped_srch_str);
539 //uri = g_strdup_printf(GEONAMES_SEARCH_URL_FMT, srch_str);
540 uri = g_strdup_printf(GEONAMES_SEARCH_URL_FMT, escaped_srch_str);
542 tmpname = download_url(uri);
547 ret = parse_file_for_latlon(vw, tmpname, &ll);
552 vik_coord_load_from_latlon ( coord, vik_viewport_get_coord_mode(vvp), &ll );
556 last_coord = g_malloc(sizeof(VikCoord));
557 *last_coord = *coord;
558 if (last_successful_search_str)
559 g_free(last_successful_search_str);
560 last_successful_search_str = g_strdup(last_search_str);
563 g_free(escaped_srch_str);
572 void a_geonames_search(VikWindow *vw, VikLayersPanel *vlp, VikViewport *vvp)
576 gboolean more = TRUE;
580 s_str = a_prompt_for_search_string(vw);
581 if ((!s_str) || (s_str[0] == 0)) {
585 ret = geonames_search_get_coord(vw, vvp, s_str, &new_center);
587 vik_viewport_set_center_coord(vvp, &new_center);
588 vik_layers_panel_emit_update(vlp);
593 if (!prompt_try_again(vw)) {
605 void a_geonames_wikipedia_box(VikWindow *vw, VikTrwLayer *vtl, VikLayersPanel *vlp, struct LatLon maxmin[2])
612 VikWaypoint *wiki_wp;
613 found_geoname *wiki_geoname;
615 uri = g_strdup_printf(GEONAMES_WIKIPEDIA_URL_FMT, maxmin[0].lat, maxmin[1].lat, maxmin[0].lon, maxmin[1].lon);
616 tmpname = download_url(uri);
621 wiki_places = get_entries_from_file(tmpname);
622 if (g_list_length(wiki_places) == 0) {
626 selected = a_select_geoname_from_list(VIK_GTK_WINDOW_FROM_WIDGET(vw), wiki_places, TRUE, "Select articles", "Select the articles you want to add.");
627 wp_runner = selected;
629 wiki_geoname = (found_geoname *)wp_runner->data;
630 wiki_wp = vik_waypoint_new();
631 wiki_wp->altitude = VIK_DEFAULT_ALTITUDE;
632 wiki_wp->visible = TRUE;
633 vik_coord_load_from_latlon(&(wiki_wp->coord), vik_trw_layer_get_coord_mode ( vtl ), &(wiki_geoname->ll));
634 vik_waypoint_set_comment(wiki_wp, wiki_geoname->desc);
635 vik_trw_layer_filein_add_waypoint ( vtl, wiki_geoname->name, wiki_wp );
636 wp_runner = g_list_next(wp_runner);
638 free_geoname_list(wiki_places);
639 free_geoname_list(selected);
644 vik_layers_panel_emit_update(vlp);