2 * Copyright (C) 2009-2012 Andy Spencer <andy753421@gmail.com>
4 * This program is free software: you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by
6 * the Free Software Foundation, either version 3 of the License, or
7 * (at your option) any later version.
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
14 * You should have received a copy of the GNU General Public License
15 * along with this program. If not, see <http://www.gnu.org/licenses/>.
21 #include <glib/gstdio.h>
31 #include "../aweather-location.h"
35 static void aweather_bin_set_child(GtkBin *bin, GtkWidget *new)
37 GtkWidget *old = gtk_bin_get_child(bin);
39 gtk_widget_destroy(old);
40 gtk_container_add(GTK_CONTAINER(bin), new);
41 gtk_widget_show_all(new);
44 static gchar *_find_nearest(time_t time, GList *files,
47 g_debug("RadarSite: find_nearest ...");
48 time_t nearest_time = 0;
49 char *nearest_file = NULL;
52 for (GList *cur = files; cur; cur = cur->next) {
53 gchar *file = cur->data;
54 sscanf(file+offset, "%4d%2d%2d_%2d%2d",
55 &tm.tm_year, &tm.tm_mon, &tm.tm_mday,
56 &tm.tm_hour, &tm.tm_min);
59 if (ABS(time - mktime(&tm)) <
60 ABS(time - nearest_time)) {
62 nearest_time = mktime(&tm);
66 g_debug("RadarSite: find_nearest = %s", nearest_file);
68 return g_strdup(nearest_file);
85 GritsMarker *marker; // Map marker for grits
87 /* Stuff from the parents */
95 RadarSiteStatus status; // Loading status for the site
97 AWeatherLevel2 *level2; // The Level2 structure for the current volume
100 time_t time; // Current timestamp of the level2
101 gchar *message; // Error message set while updating
102 guint time_id; // "time-changed" callback ID
103 guint refresh_id; // "refresh" callback ID
104 guint location_id; // "locaiton-changed" callback ID
105 guint idle_source; // _site_update_end idle source
108 /* format: http://mesonet.agron.iastate.edu/data/nexrd2/raw/KABR/KABR_20090510_0323 */
109 void _site_update_loading(gchar *file, goffset cur,
110 goffset total, gpointer _site)
112 RadarSite *site = _site;
113 GtkWidget *progress_bar = gtk_bin_get_child(GTK_BIN(site->config));
114 double percent = (double)cur/total;
115 gtk_progress_bar_set_fraction(GTK_PROGRESS_BAR(progress_bar), MIN(percent, 1.0));
116 gchar *msg = g_strdup_printf("Loading... %5.1f%% (%.2f/%.2f MB)",
117 percent*100, (double)cur/1000000, (double)total/1000000);
118 gtk_progress_bar_set_text(GTK_PROGRESS_BAR(progress_bar), msg);
121 gboolean _site_update_end(gpointer _site)
123 RadarSite *site = _site;
125 g_warning("RadarSite: update_end - %s", site->message);
126 const char *fmt = "http://forecast.weather.gov/product.php?site=NWS&product=FTM&format=TXT&issuedby=%s";
127 char *uri = g_strdup_printf(fmt, site->city->code+1);
128 GtkWidget *box = gtk_box_new(GTK_ORIENTATION_VERTICAL, 0);
129 GtkWidget *msg = gtk_label_new(site->message);
130 GtkWidget *btn = gtk_link_button_new_with_label(uri, "View Radar Status");
131 gtk_box_set_homogeneous(GTK_BOX(box), TRUE);
132 gtk_box_pack_start(GTK_BOX(box), msg, TRUE, TRUE, 0);
133 gtk_box_pack_start(GTK_BOX(box), btn, TRUE, TRUE, 0);
134 aweather_bin_set_child(GTK_BIN(site->config), box);
137 aweather_bin_set_child(GTK_BIN(site->config),
138 aweather_level2_get_config(site->level2));
140 site->status = STATUS_LOADED;
141 site->idle_source = 0;
144 gpointer _site_update_thread(gpointer _site)
146 RadarSite *site = _site;
147 g_debug("RadarSite: update_thread - %s", site->city->code);
148 site->message = NULL;
150 gboolean offline = grits_viewer_get_offline(site->viewer);
151 gchar *nexrad_url = grits_prefs_get_string(site->prefs,
152 "aweather/nexrad_url", NULL);
154 /* Find nearest volume (temporally) */
155 g_debug("RadarSite: update_thread - find nearest - %s", site->city->code);
156 gchar *dir_list = g_strconcat(nexrad_url, "/", site->city->code,
157 "/", "dir.list", NULL);
158 GList *files = grits_http_available(site->http,
159 "^\\w{4}_\\d{8}_\\d{4}$", site->city->code,
160 "\\d+ (.*)", (offline ? NULL : dir_list));
162 gchar *nearest = _find_nearest(site->time, files, 5);
163 g_list_foreach(files, (GFunc)g_free, NULL);
166 site->message = "No suitable files found";
170 /* Fetch new volume */
171 g_debug("RadarSite: update_thread - fetch");
172 gchar *local = g_strconcat(site->city->code, "/", nearest, NULL);
173 gchar *uri = g_strconcat(nexrad_url, "/", local, NULL);
174 gchar *file = grits_http_fetch(site->http, uri, local,
175 offline ? GRITS_LOCAL : GRITS_UPDATE,
176 _site_update_loading, site);
182 site->message = "Fetch failed";
186 /* Load and add new volume */
187 g_debug("RadarSite: update_thread - load - %s", site->city->code);
188 site->level2 = aweather_level2_new_from_file(
189 file, site->city->code, colormaps);
192 site->message = "Load failed";
195 grits_object_hide(GRITS_OBJECT(site->level2), site->hidden);
196 grits_viewer_add(site->viewer, GRITS_OBJECT(site->level2),
197 GRITS_LEVEL_WORLD+3, TRUE);
200 if (!site->idle_source)
201 site->idle_source = g_idle_add(_site_update_end, site);
204 void _site_update(RadarSite *site)
206 if (site->status == STATUS_LOADING)
208 site->status = STATUS_LOADING;
210 site->time = grits_viewer_get_time(site->viewer);
211 g_debug("RadarSite: update %s - %d",
212 site->city->code, (gint)site->time);
214 /* Add a progress bar */
215 GtkWidget *progress = gtk_progress_bar_new();
216 gtk_progress_bar_set_text(GTK_PROGRESS_BAR(progress), "Loading...");
217 aweather_bin_set_child(GTK_BIN(site->config), progress);
219 /* Remove old volume */
220 g_debug("RadarSite: update - remove - %s", site->city->code);
222 grits_viewer_remove(site->viewer, GRITS_OBJECT(site->level2));
226 /* Fork loading right away so updating the
227 * list of times doesn't take too long */
228 g_thread_new("site-update-thread", _site_update_thread, site);
231 /* RadarSite methods */
232 void radar_site_unload(RadarSite *site)
234 if (site->status != STATUS_LOADED)
235 return; // Abort if it's still loading
237 g_debug("RadarSite: unload %s", site->city->code);
240 g_signal_handler_disconnect(site->viewer, site->time_id);
241 if (site->refresh_id)
242 g_signal_handler_disconnect(site->viewer, site->refresh_id);
243 if (site->idle_source)
244 g_source_remove(site->idle_source);
245 site->idle_source = 0;
249 gtk_widget_destroy(site->config);
253 grits_viewer_remove(site->viewer, GRITS_OBJECT(site->level2));
257 site->status = STATUS_UNLOADED;
260 void radar_site_load(RadarSite *site)
262 g_debug("RadarSite: load %s", site->city->code);
265 site->config = gtk_alignment_new(0, 0, 1, 1);
266 g_object_set_data(G_OBJECT(site->config), "site", site);
267 gtk_notebook_append_page(GTK_NOTEBOOK(site->pconfig), site->config,
268 gtk_label_new(site->city->name));
269 gtk_widget_show_all(site->config);
270 if (gtk_notebook_get_current_page(GTK_NOTEBOOK(site->pconfig)) == 0)
271 gtk_notebook_set_current_page(GTK_NOTEBOOK(site->pconfig), -1);
273 /* Set up radar loading */
274 site->time_id = g_signal_connect_swapped(site->viewer, "time-changed",
275 G_CALLBACK(_site_update), site);
276 site->refresh_id = g_signal_connect_swapped(site->viewer, "refresh",
277 G_CALLBACK(_site_update), site);
281 void _site_on_location_changed(GritsViewer *viewer,
282 gdouble lat, gdouble lon, gdouble elev,
285 static gdouble min_dist = EARTH_R / 30;
286 RadarSite *site = _site;
288 /* Calculate distance, could cache xyz values */
289 gdouble eye_xyz[3], site_xyz[3];
290 lle2xyz(lat, lon, elev, &eye_xyz[0], &eye_xyz[1], &eye_xyz[2]);
291 lle2xyz(site->city->pos.lat, site->city->pos.lon, site->city->pos.elev,
292 &site_xyz[0], &site_xyz[1], &site_xyz[2]);
293 gdouble dist = distd(site_xyz, eye_xyz);
295 /* Load or unload the site if necessasairy */
296 if (dist <= min_dist && dist < elev*1.25 && site->status == STATUS_UNLOADED)
297 radar_site_load(site);
298 else if (dist > 2*min_dist && site->status != STATUS_UNLOADED)
299 radar_site_unload(site);
302 static gboolean on_marker_clicked(GritsObject *marker, GdkEvent *event, RadarSite *site)
304 GritsViewer *viewer = site->viewer;
305 GritsPoint center = marker->center;
306 grits_viewer_set_location(viewer, center.lat, center.lon, EARTH_R/35);
307 grits_viewer_set_rotation(viewer, 0, 0, 0);
308 /* Recursivly set notebook tabs */
309 GtkWidget *widget, *parent;
310 for (widget = site->config; widget; widget = parent) {
311 parent = gtk_widget_get_parent(widget);
312 if (GTK_IS_NOTEBOOK(parent)) {
313 gint i = gtk_notebook_page_num(GTK_NOTEBOOK(parent), widget);
314 gtk_notebook_set_current_page(GTK_NOTEBOOK(parent), i);
320 RadarSite *radar_site_new(city_t *city, GtkWidget *pconfig,
321 GritsViewer *viewer, GritsPrefs *prefs, GritsHttp *http)
323 RadarSite *site = g_new0(RadarSite, 1);
324 site->viewer = g_object_ref(viewer);
325 site->prefs = g_object_ref(prefs);
327 site->http = grits_http_new(G_DIR_SEPARATOR_S
328 "nexrad" G_DIR_SEPARATOR_S
329 "level2" G_DIR_SEPARATOR_S);
331 site->pconfig = pconfig;
334 /* Set initial location */
335 gdouble lat, lon, elev;
336 grits_viewer_get_location(viewer, &lat, &lon, &elev);
337 _site_on_location_changed(viewer, lat, lon, elev, site);
340 site->marker = grits_marker_new(site->city->name);
341 GRITS_OBJECT(site->marker)->center = site->city->pos;
342 GRITS_OBJECT(site->marker)->lod = EARTH_R*0.75*site->city->lod;
343 grits_viewer_add(site->viewer, GRITS_OBJECT(site->marker),
344 GRITS_LEVEL_HUD, FALSE);
345 g_signal_connect(site->marker, "clicked",
346 G_CALLBACK(on_marker_clicked), site);
347 grits_object_set_cursor(GRITS_OBJECT(site->marker), GDK_HAND2);
349 /* Connect signals */
350 site->location_id = g_signal_connect(viewer, "location-changed",
351 G_CALLBACK(_site_on_location_changed), site);
355 void radar_site_free(RadarSite *site)
357 radar_site_unload(site);
358 grits_viewer_remove(site->viewer, GRITS_OBJECT(site->marker));
359 if (site->location_id)
360 g_signal_handler_disconnect(site->viewer, site->location_id);
361 grits_http_free(site->http);
362 g_object_unref(site->viewer);
363 g_object_unref(site->prefs);
371 #define CONUS_NORTH 50.406626367301044
372 #define CONUS_WEST -127.620375523875420
373 #define CONUS_WIDTH 3400.0
374 #define CONUS_HEIGHT 1600.0
375 #define CONUS_DEG_PER_PX 0.017971305190311
382 const gchar *message;
388 guint time_id; // "time-changed" callback ID
389 guint refresh_id; // "refresh" callback ID
390 guint idle_source; // _conus_update_end idle source
393 void _conus_update_loading(gchar *file, goffset cur,
394 goffset total, gpointer _conus)
396 RadarConus *conus = _conus;
397 GtkWidget *progress_bar = gtk_bin_get_child(GTK_BIN(conus->config));
398 double percent = (double)cur/total;
399 gtk_progress_bar_set_fraction(GTK_PROGRESS_BAR(progress_bar), MIN(percent, 1.0));
400 gchar *msg = g_strdup_printf("Loading... %5.1f%% (%.2f/%.2f MB)",
401 percent*100, (double)cur/1000000, (double)total/1000000);
402 gtk_progress_bar_set_text(GTK_PROGRESS_BAR(progress_bar), msg);
406 /* Copy images to graphics memory */
407 static void _conus_update_end_copy(GritsTile *tile, guchar *pixels)
410 glGenTextures(1, &tile->tex);
412 gchar *clear = g_malloc0(2048*2048*4);
413 glBindTexture(GL_TEXTURE_2D, tile->tex);
415 glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
416 glPixelStorei(GL_PACK_ALIGNMENT, 1);
417 glTexImage2D(GL_TEXTURE_2D, 0, 4, 2048, 2048, 0,
418 GL_RGBA, GL_UNSIGNED_BYTE, clear);
419 glTexSubImage2D(GL_TEXTURE_2D, 0, 1,1, CONUS_WIDTH/2,CONUS_HEIGHT,
420 GL_RGBA, GL_UNSIGNED_BYTE, pixels);
421 tile->coords.n = 1.0/(CONUS_WIDTH/2);
422 tile->coords.w = 1.0/ CONUS_HEIGHT;
423 tile->coords.s = tile->coords.n + CONUS_HEIGHT / 2048.0;
424 tile->coords.e = tile->coords.w + (CONUS_WIDTH/2) / 2048.0;
425 glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
426 glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
427 glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
428 glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
433 /* Split the pixbuf into east and west halves (with 2K sides)
434 * Also map the pixbuf's alpha values */
435 static void _conus_update_end_split(guchar *pixels, guchar *west, guchar *east,
436 gint width, gint height, gint pxsize)
438 g_debug("Conus: update_end_split");
439 guchar *out[] = {west,east};
440 const guchar alphamap[][4] = {
441 {0x04, 0xe9, 0xe7, 0x30},
442 {0x01, 0x9f, 0xf4, 0x60},
443 {0x03, 0x00, 0xf4, 0x90},
445 for (int y = 0; y < height; y++)
446 for (int x = 0; x < width; x++) {
447 gint subx = x % (width/2);
448 gint idx = x / (width/2);
449 guchar *src = &pixels[(y*width+x)*pxsize];
450 guchar *dst = &out[idx][(y*(width/2)+subx)*4];
459 dst[3] = 0xff * 0.75;
460 for (int j = 0; j < G_N_ELEMENTS(alphamap); j++)
461 if (src[0] == alphamap[j][0] &&
462 src[1] == alphamap[j][1] &&
463 src[2] == alphamap[j][2])
464 dst[3] = alphamap[j][3];
469 gboolean _conus_update_end(gpointer _conus)
471 RadarConus *conus = _conus;
472 g_debug("Conus: update_end");
474 /* Check error status */
475 if (conus->message) {
476 g_warning("Conus: update_end - %s", conus->message);
477 aweather_bin_set_child(GTK_BIN(conus->config), gtk_label_new(conus->message));
481 /* Load and pixbuf */
482 GError *error = NULL;
483 GdkPixbuf *pixbuf = gdk_pixbuf_new_from_file(conus->path, &error);
484 if (!pixbuf || error) {
485 g_warning("Conus: update_end - error loading pixbuf: %s", conus->path);
486 aweather_bin_set_child(GTK_BIN(conus->config), gtk_label_new("Error loading pixbuf"));
487 g_remove(conus->path);
491 /* Split pixels into east/west parts */
492 guchar *pixels = gdk_pixbuf_get_pixels(pixbuf);
493 gint width = gdk_pixbuf_get_width(pixbuf);
494 gint height = gdk_pixbuf_get_height(pixbuf);
495 gint pxsize = gdk_pixbuf_get_has_alpha(pixbuf) ? 4 : 3;
496 guchar *pixels_west = g_malloc(4*(width/2)*height);
497 guchar *pixels_east = g_malloc(4*(width/2)*height);
498 _conus_update_end_split(pixels, pixels_west, pixels_east,
499 width, height, pxsize);
500 g_object_unref(pixbuf);
502 /* Copy pixels to graphics memory */
503 _conus_update_end_copy(conus->tile[0], pixels_west);
504 _conus_update_end_copy(conus->tile[1], pixels_east);
509 gchar *label = g_path_get_basename(conus->path);
510 aweather_bin_set_child(GTK_BIN(conus->config), gtk_label_new(label));
511 grits_viewer_queue_draw(conus->viewer);
515 conus->idle_source = 0;
517 g_mutex_unlock(&conus->loading);
521 gpointer _conus_update_thread(gpointer _conus)
523 RadarConus *conus = _conus;
524 conus->message = NULL;
527 g_debug("Conus: update_thread - nearest");
528 gboolean offline = grits_viewer_get_offline(conus->viewer);
529 gchar *conus_url = "http://radar.weather.gov/Conus/RadarImg/";
531 if (time(NULL) - conus->time < 60*60*5 && !offline) {
532 /* radar.weather.gov is full of lies.
533 * the index pages get cached and out of date */
534 /* gmtime is not thread safe, but it's not used very often so
535 * hopefully it'll be alright for now... :-( */
536 struct tm *tm = gmtime(&conus->time);
537 time_t onthe8 = conus->time - 60*((tm->tm_min+1)%10+1);
538 tm = gmtime(&onthe8);
539 nearest = g_strdup_printf("Conus_%04d%02d%02d_%02d%02d_N0Ronly.gif",
540 tm->tm_year+1900, tm->tm_mon+1, tm->tm_mday,
541 tm->tm_hour, tm->tm_min);
543 GList *files = grits_http_available(conus->http,
544 "^Conus_[^\"]*_N0Ronly.gif$", "", NULL, NULL);
545 nearest = _find_nearest(conus->time, files, 6);
546 g_list_foreach(files, (GFunc)g_free, NULL);
549 conus->message = "No suitable files";
554 /* Fetch the image */
555 g_debug("Conus: update_thread - fetch");
556 gchar *uri = g_strconcat(conus_url, nearest, NULL);
557 conus->path = grits_http_fetch(conus->http, uri, nearest,
558 offline ? GRITS_LOCAL : GRITS_ONCE,
559 _conus_update_loading, conus);
563 conus->message = "Fetch failed";
568 g_debug("Conus: update_thread - done");
569 if (!conus->idle_source)
570 conus->idle_source = g_idle_add(_conus_update_end, conus);
574 void _conus_update(RadarConus *conus)
576 if (!g_mutex_trylock(&conus->loading))
578 conus->time = grits_viewer_get_time(conus->viewer);
579 g_debug("Conus: update - %d",
582 /* Add a progress bar */
583 GtkWidget *progress = gtk_progress_bar_new();
584 gtk_progress_bar_set_text(GTK_PROGRESS_BAR(progress), "Loading...");
585 aweather_bin_set_child(GTK_BIN(conus->config), progress);
587 g_thread_new("conus-update-thread", _conus_update_thread, conus);
590 RadarConus *radar_conus_new(GtkWidget *pconfig,
591 GritsViewer *viewer, GritsHttp *http)
593 RadarConus *conus = g_new0(RadarConus, 1);
594 conus->viewer = g_object_ref(viewer);
596 conus->config = gtk_alignment_new(0, 0, 1, 1);
597 g_mutex_init(&conus->loading);
599 gdouble south = CONUS_NORTH - CONUS_DEG_PER_PX*CONUS_HEIGHT;
600 gdouble east = CONUS_WEST + CONUS_DEG_PER_PX*CONUS_WIDTH;
601 gdouble mid = CONUS_WEST + CONUS_DEG_PER_PX*CONUS_WIDTH/2;
602 conus->tile[0] = grits_tile_new(NULL, CONUS_NORTH, south, mid, CONUS_WEST);
603 conus->tile[1] = grits_tile_new(NULL, CONUS_NORTH, south, east, mid);
604 conus->tile[0]->zindex = 2;
605 conus->tile[1]->zindex = 1;
606 grits_viewer_add(viewer, GRITS_OBJECT(conus->tile[0]), GRITS_LEVEL_WORLD+2, FALSE);
607 grits_viewer_add(viewer, GRITS_OBJECT(conus->tile[1]), GRITS_LEVEL_WORLD+2, FALSE);
609 conus->time_id = g_signal_connect_swapped(viewer, "time-changed",
610 G_CALLBACK(_conus_update), conus);
611 conus->refresh_id = g_signal_connect_swapped(viewer, "refresh",
612 G_CALLBACK(_conus_update), conus);
614 g_object_set_data(G_OBJECT(conus->config), "conus", conus);
615 gtk_notebook_append_page(GTK_NOTEBOOK(pconfig), conus->config,
616 gtk_label_new("Conus"));
618 _conus_update(conus);
622 void radar_conus_free(RadarConus *conus)
624 g_signal_handler_disconnect(conus->viewer, conus->time_id);
625 g_signal_handler_disconnect(conus->viewer, conus->refresh_id);
626 if (conus->idle_source)
627 g_source_remove(conus->idle_source);
629 for (int i = 0; i < 2; i++) {
630 GritsTile *tile = conus->tile[i];
631 grits_viewer_remove(conus->viewer, GRITS_OBJECT(tile));
632 g_object_unref(tile);
635 g_object_unref(conus->viewer);
640 /********************
642 ********************/
643 static void _draw_hud(GritsCallback *callback, GritsOpenGL *opengl, gpointer _self)
645 g_debug("GritsPluginRadar: _draw_hud");
647 glMatrixMode(GL_MODELVIEW ); glLoadIdentity();
648 glMatrixMode(GL_PROJECTION); glLoadIdentity();
649 glDisable(GL_TEXTURE_2D);
650 glDisable(GL_ALPHA_TEST);
651 glDisable(GL_CULL_FACE);
652 glDisable(GL_LIGHTING);
653 glEnable(GL_COLOR_MATERIAL);
656 gpointer name, _site;
657 GritsPluginRadar *self = GRITS_PLUGIN_RADAR(_self);
658 g_hash_table_iter_init(&iter, self->sites);
659 while (g_hash_table_iter_next(&iter, &name, &_site)) {
660 /* Pick correct colormaps */
661 RadarSite *site = _site;
662 if (site->hidden || !site->level2)
664 AWeatherColormap *colormap = site->level2->sweep_colors;
666 /* Print the color table */
668 int len = colormap->len;
669 for (int i = 0; i < len; i++) {
670 glColor4ubv(colormap->data[i]);
671 glVertex3f(-1.0, (float)((i ) - len/2)/(len/2), 0.0); // bot left
672 glVertex3f(-1.0, (float)((i+1) - len/2)/(len/2), 0.0); // top left
673 glVertex3f(-0.9, (float)((i+1) - len/2)/(len/2), 0.0); // top right
674 glVertex3f(-0.9, (float)((i ) - len/2)/(len/2), 0.0); // bot right
680 static void _load_colormap(gchar *filename, AWeatherColormap *cm)
682 g_debug("GritsPluginRadar: _load_colormap - %s", filename);
683 FILE *file = fopen(filename, "r");
685 g_error("GritsPluginRadar: open failed");
687 GArray *array = g_array_sized_new(FALSE, TRUE, sizeof(color), 256);
688 if (!fgets(cm->name, sizeof(cm->name), file)) goto out;
689 if (!fscanf(file, "%f\n", &cm->scale)) goto out;
690 if (!fscanf(file, "%f\n", &cm->shift)) goto out;
692 while (fscanf(file, "%d %d %d %d\n", &r, &g, &b, &a) == 4) {
697 g_array_append_val(array, color);
699 cm->len = (gint )array->len;
700 cm->data = (void*)array->data;
702 g_array_free(array, FALSE);
706 static void _update_hidden(GtkNotebook *notebook,
707 gpointer _, guint page_num, gpointer viewer)
709 g_debug("GritsPluginRadar: _update_hidden - 0..%d = %d",
710 gtk_notebook_get_n_pages(notebook), page_num);
712 for (gint i = 0; i < gtk_notebook_get_n_pages(notebook); i++) {
713 gboolean is_hidden = (i != page_num);
714 GtkWidget *config = gtk_notebook_get_nth_page(notebook, i);
715 RadarConus *conus = g_object_get_data(G_OBJECT(config), "conus");
716 RadarSite *site = g_object_get_data(G_OBJECT(config), "site");
720 grits_object_hide(GRITS_OBJECT(conus->tile[0]), is_hidden);
721 grits_object_hide(GRITS_OBJECT(conus->tile[1]), is_hidden);
723 site->hidden = is_hidden;
725 grits_object_hide(GRITS_OBJECT(site->level2), is_hidden);
727 g_warning("GritsPluginRadar: _update_hidden - no site or counus found");
730 grits_viewer_queue_draw(viewer);
734 GritsPluginRadar *grits_plugin_radar_new(GritsViewer *viewer, GritsPrefs *prefs)
736 /* TODO: move to constructor if possible */
737 g_debug("GritsPluginRadar: new");
738 GritsPluginRadar *self = g_object_new(GRITS_TYPE_PLUGIN_RADAR, NULL);
739 self->viewer = g_object_ref(viewer);
740 self->prefs = g_object_ref(prefs);
742 /* Setup page switching */
743 self->tab_id = g_signal_connect(self->config, "switch-page",
744 G_CALLBACK(_update_hidden), viewer);
747 self->hud = grits_callback_new(_draw_hud, self);
748 grits_viewer_add(viewer, GRITS_OBJECT(self->hud), GRITS_LEVEL_HUD, FALSE);
751 self->conus = radar_conus_new(self->config, self->viewer, self->conus_http);
753 /* Load radar sites */
754 for (city_t *city = cities; city->type; city++) {
755 if (city->type != LOCATION_CITY)
757 RadarSite *site = radar_site_new(city, self->config,
758 self->viewer, self->prefs, self->sites_http);
759 g_hash_table_insert(self->sites, city->code, site);
765 static GtkWidget *grits_plugin_radar_get_config(GritsPlugin *_self)
767 GritsPluginRadar *self = GRITS_PLUGIN_RADAR(_self);
772 static void grits_plugin_radar_plugin_init(GritsPluginInterface *iface);
773 G_DEFINE_TYPE_WITH_CODE(GritsPluginRadar, grits_plugin_radar, G_TYPE_OBJECT,
774 G_IMPLEMENT_INTERFACE(GRITS_TYPE_PLUGIN,
775 grits_plugin_radar_plugin_init));
776 static void grits_plugin_radar_plugin_init(GritsPluginInterface *iface)
778 g_debug("GritsPluginRadar: plugin_init");
779 /* Add methods to the interface */
780 iface->get_config = grits_plugin_radar_get_config;
782 static void grits_plugin_radar_init(GritsPluginRadar *self)
784 g_debug("GritsPluginRadar: class_init");
786 self->sites_http = grits_http_new(G_DIR_SEPARATOR_S
787 "nexrad" G_DIR_SEPARATOR_S
788 "level2" G_DIR_SEPARATOR_S);
789 self->conus_http = grits_http_new(G_DIR_SEPARATOR_S
790 "nexrad" G_DIR_SEPARATOR_S
791 "conus" G_DIR_SEPARATOR_S);
792 self->sites = g_hash_table_new_full(g_str_hash, g_str_equal,
793 NULL, (GDestroyNotify)radar_site_free);
794 self->config = g_object_ref(gtk_notebook_new());
797 for (int i = 0; colormaps[i].file; i++) {
798 gchar *file = g_build_filename(PKGDATADIR,
799 "colors", colormaps[i].file, NULL);
800 _load_colormap(file, &colormaps[i]);
804 /* Need to position on the top because of Win32 bug */
805 gtk_notebook_set_tab_pos(GTK_NOTEBOOK(self->config), GTK_POS_LEFT);
807 static void grits_plugin_radar_dispose(GObject *gobject)
809 g_debug("GritsPluginRadar: dispose");
810 GritsPluginRadar *self = GRITS_PLUGIN_RADAR(gobject);
812 GritsViewer *viewer = self->viewer;
814 g_signal_handler_disconnect(self->config, self->tab_id);
815 grits_viewer_remove(viewer, GRITS_OBJECT(self->hud));
816 radar_conus_free(self->conus);
817 g_hash_table_destroy(self->sites);
818 g_object_unref(self->config);
819 g_object_unref(self->hud);
820 g_object_unref(self->prefs);
821 g_object_unref(viewer);
823 /* Drop references */
824 G_OBJECT_CLASS(grits_plugin_radar_parent_class)->dispose(gobject);
826 static void grits_plugin_radar_finalize(GObject *gobject)
828 g_debug("GritsPluginRadar: finalize");
829 GritsPluginRadar *self = GRITS_PLUGIN_RADAR(gobject);
831 grits_http_free(self->conus_http);
832 grits_http_free(self->sites_http);
833 gtk_widget_destroy(self->config);
834 G_OBJECT_CLASS(grits_plugin_radar_parent_class)->finalize(gobject);
837 static void grits_plugin_radar_class_init(GritsPluginRadarClass *klass)
839 g_debug("GritsPluginRadar: class_init");
840 GObjectClass *gobject_class = (GObjectClass*)klass;
841 gobject_class->dispose = grits_plugin_radar_dispose;
842 gobject_class->finalize = grits_plugin_radar_finalize;