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"
33 #include "../compat.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);
221 grits_object_destroy_pointer(&site->level2);
223 /* Fork loading right away so updating the
224 * list of times doesn't take too long */
225 g_thread_new("site-update-thread", _site_update_thread, site);
228 /* RadarSite methods */
229 void radar_site_unload(RadarSite *site)
231 if (site->status != STATUS_LOADED)
232 return; // Abort if it's still loading
234 g_debug("RadarSite: unload %s", site->city->code);
237 g_signal_handler_disconnect(site->viewer, site->time_id);
238 if (site->refresh_id)
239 g_signal_handler_disconnect(site->viewer, site->refresh_id);
240 if (site->idle_source)
241 g_source_remove(site->idle_source);
242 site->idle_source = 0;
246 gtk_widget_destroy(site->config);
249 grits_object_destroy_pointer(&site->level2);
251 site->status = STATUS_UNLOADED;
254 void radar_site_load(RadarSite *site)
256 g_debug("RadarSite: load %s", site->city->code);
259 site->config = gtk_alignment_new(0, 0, 1, 1);
260 g_object_set_data(G_OBJECT(site->config), "site", site);
261 gtk_notebook_append_page(GTK_NOTEBOOK(site->pconfig), site->config,
262 gtk_label_new(site->city->name));
263 gtk_widget_show_all(site->config);
264 if (gtk_notebook_get_current_page(GTK_NOTEBOOK(site->pconfig)) == 0)
265 gtk_notebook_set_current_page(GTK_NOTEBOOK(site->pconfig), -1);
267 /* Set up radar loading */
268 site->time_id = g_signal_connect_swapped(site->viewer, "time-changed",
269 G_CALLBACK(_site_update), site);
270 site->refresh_id = g_signal_connect_swapped(site->viewer, "refresh",
271 G_CALLBACK(_site_update), site);
275 void _site_on_location_changed(GritsViewer *viewer,
276 gdouble lat, gdouble lon, gdouble elev,
279 static gdouble min_dist = EARTH_R / 30;
280 RadarSite *site = _site;
282 /* Calculate distance, could cache xyz values */
283 gdouble eye_xyz[3], site_xyz[3];
284 lle2xyz(lat, lon, elev, &eye_xyz[0], &eye_xyz[1], &eye_xyz[2]);
285 lle2xyz(site->city->pos.lat, site->city->pos.lon, site->city->pos.elev,
286 &site_xyz[0], &site_xyz[1], &site_xyz[2]);
287 gdouble dist = distd(site_xyz, eye_xyz);
289 /* Load or unload the site if necessasairy */
290 if (dist <= min_dist && dist < elev*1.25 && site->status == STATUS_UNLOADED)
291 radar_site_load(site);
292 else if (dist > 2*min_dist && site->status != STATUS_UNLOADED)
293 radar_site_unload(site);
296 static gboolean on_marker_clicked(GritsObject *marker, GdkEvent *event, RadarSite *site)
298 GritsViewer *viewer = site->viewer;
299 GritsPoint center = marker->center;
300 grits_viewer_set_location(viewer, center.lat, center.lon, EARTH_R/35);
301 grits_viewer_set_rotation(viewer, 0, 0, 0);
302 /* Recursivly set notebook tabs */
303 GtkWidget *widget, *parent;
304 for (widget = site->config; widget; widget = parent) {
305 parent = gtk_widget_get_parent(widget);
306 if (GTK_IS_NOTEBOOK(parent)) {
307 gint i = gtk_notebook_page_num(GTK_NOTEBOOK(parent), widget);
308 gtk_notebook_set_current_page(GTK_NOTEBOOK(parent), i);
314 RadarSite *radar_site_new(city_t *city, GtkWidget *pconfig,
315 GritsViewer *viewer, GritsPrefs *prefs, GritsHttp *http)
317 RadarSite *site = g_new0(RadarSite, 1);
318 site->viewer = g_object_ref(viewer);
319 site->prefs = g_object_ref(prefs);
321 site->http = grits_http_new(G_DIR_SEPARATOR_S
322 "nexrad" G_DIR_SEPARATOR_S
323 "level2" G_DIR_SEPARATOR_S);
325 site->pconfig = pconfig;
328 /* Set initial location */
329 gdouble lat, lon, elev;
330 grits_viewer_get_location(viewer, &lat, &lon, &elev);
331 _site_on_location_changed(viewer, lat, lon, elev, site);
334 site->marker = grits_marker_new(site->city->name);
335 GRITS_OBJECT(site->marker)->center = site->city->pos;
336 GRITS_OBJECT(site->marker)->lod = EARTH_R*0.75*site->city->lod;
337 grits_viewer_add(site->viewer, GRITS_OBJECT(site->marker),
338 GRITS_LEVEL_HUD, FALSE);
339 g_signal_connect(site->marker, "clicked",
340 G_CALLBACK(on_marker_clicked), site);
341 grits_object_set_cursor(GRITS_OBJECT(site->marker), GDK_HAND2);
343 /* Connect signals */
344 site->location_id = g_signal_connect(viewer, "location-changed",
345 G_CALLBACK(_site_on_location_changed), site);
349 void radar_site_free(RadarSite *site)
351 radar_site_unload(site);
352 grits_object_destroy_pointer(&site->marker);
353 if (site->location_id)
354 g_signal_handler_disconnect(site->viewer, site->location_id);
355 grits_http_free(site->http);
356 g_object_unref(site->viewer);
357 g_object_unref(site->prefs);
365 #define CONUS_NORTH 50.406626367301044
366 #define CONUS_WEST -127.620375523875420
367 #define CONUS_WIDTH 3400.0
368 #define CONUS_HEIGHT 1600.0
369 #define CONUS_DEG_PER_PX 0.017971305190311
376 const gchar *message;
382 guint time_id; // "time-changed" callback ID
383 guint refresh_id; // "refresh" callback ID
384 guint idle_source; // _conus_update_end idle source
387 void _conus_update_loading(gchar *file, goffset cur,
388 goffset total, gpointer _conus)
390 RadarConus *conus = _conus;
391 GtkWidget *progress_bar = gtk_bin_get_child(GTK_BIN(conus->config));
392 double percent = (double)cur/total;
393 gtk_progress_bar_set_fraction(GTK_PROGRESS_BAR(progress_bar), MIN(percent, 1.0));
394 gchar *msg = g_strdup_printf("Loading... %5.1f%% (%.2f/%.2f MB)",
395 percent*100, (double)cur/1000000, (double)total/1000000);
396 gtk_progress_bar_set_text(GTK_PROGRESS_BAR(progress_bar), msg);
400 /* Copy images to graphics memory */
401 static void _conus_update_end_copy(GritsTile *tile, guchar *pixels)
404 glGenTextures(1, &tile->tex);
406 gchar *clear = g_malloc0(2048*2048*4);
407 glBindTexture(GL_TEXTURE_2D, tile->tex);
409 glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
410 glPixelStorei(GL_PACK_ALIGNMENT, 1);
411 glTexImage2D(GL_TEXTURE_2D, 0, 4, 2048, 2048, 0,
412 GL_RGBA, GL_UNSIGNED_BYTE, clear);
413 glTexSubImage2D(GL_TEXTURE_2D, 0, 1,1, CONUS_WIDTH/2,CONUS_HEIGHT,
414 GL_RGBA, GL_UNSIGNED_BYTE, pixels);
415 tile->coords.n = 1.0/(CONUS_WIDTH/2);
416 tile->coords.w = 1.0/ CONUS_HEIGHT;
417 tile->coords.s = tile->coords.n + CONUS_HEIGHT / 2048.0;
418 tile->coords.e = tile->coords.w + (CONUS_WIDTH/2) / 2048.0;
419 glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
420 glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
421 glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
422 glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
427 /* Split the pixbuf into east and west halves (with 2K sides)
428 * Also map the pixbuf's alpha values */
429 static void _conus_update_end_split(guchar *pixels, guchar *west, guchar *east,
430 gint width, gint height, gint pxsize)
432 g_debug("Conus: update_end_split");
433 guchar *out[] = {west,east};
434 const guchar alphamap[][4] = {
435 {0x04, 0xe9, 0xe7, 0x30},
436 {0x01, 0x9f, 0xf4, 0x60},
437 {0x03, 0x00, 0xf4, 0x90},
439 for (int y = 0; y < height; y++)
440 for (int x = 0; x < width; x++) {
441 gint subx = x % (width/2);
442 gint idx = x / (width/2);
443 guchar *src = &pixels[(y*width+x)*pxsize];
444 guchar *dst = &out[idx][(y*(width/2)+subx)*4];
453 dst[3] = 0xff * 0.75;
454 for (int j = 0; j < G_N_ELEMENTS(alphamap); j++)
455 if (src[0] == alphamap[j][0] &&
456 src[1] == alphamap[j][1] &&
457 src[2] == alphamap[j][2])
458 dst[3] = alphamap[j][3];
463 gboolean _conus_update_end(gpointer _conus)
465 RadarConus *conus = _conus;
466 g_debug("Conus: update_end");
468 /* Check error status */
469 if (conus->message) {
470 g_warning("Conus: update_end - %s", conus->message);
471 aweather_bin_set_child(GTK_BIN(conus->config), gtk_label_new(conus->message));
475 /* Load and pixbuf */
476 GError *error = NULL;
477 GdkPixbuf *pixbuf = gdk_pixbuf_new_from_file(conus->path, &error);
478 if (!pixbuf || error) {
479 g_warning("Conus: update_end - error loading pixbuf: %s", conus->path);
480 aweather_bin_set_child(GTK_BIN(conus->config), gtk_label_new("Error loading pixbuf"));
481 g_remove(conus->path);
485 /* Split pixels into east/west parts */
486 guchar *pixels = gdk_pixbuf_get_pixels(pixbuf);
487 gint width = gdk_pixbuf_get_width(pixbuf);
488 gint height = gdk_pixbuf_get_height(pixbuf);
489 gint pxsize = gdk_pixbuf_get_has_alpha(pixbuf) ? 4 : 3;
490 guchar *pixels_west = g_malloc(4*(width/2)*height);
491 guchar *pixels_east = g_malloc(4*(width/2)*height);
492 _conus_update_end_split(pixels, pixels_west, pixels_east,
493 width, height, pxsize);
494 g_object_unref(pixbuf);
496 /* Copy pixels to graphics memory */
497 _conus_update_end_copy(conus->tile[0], pixels_west);
498 _conus_update_end_copy(conus->tile[1], pixels_east);
503 gchar *label = g_path_get_basename(conus->path);
504 aweather_bin_set_child(GTK_BIN(conus->config), gtk_label_new(label));
505 grits_viewer_queue_draw(conus->viewer);
509 conus->idle_source = 0;
511 g_mutex_unlock(&conus->loading);
515 gpointer _conus_update_thread(gpointer _conus)
517 RadarConus *conus = _conus;
518 conus->message = NULL;
521 g_debug("Conus: update_thread - nearest");
522 gboolean offline = grits_viewer_get_offline(conus->viewer);
523 gchar *conus_url = "http://radar.weather.gov/Conus/RadarImg/";
525 if (time(NULL) - conus->time < 60*60*5 && !offline) {
526 /* radar.weather.gov is full of lies.
527 * the index pages get cached and out of date */
528 /* gmtime is not thread safe, but it's not used very often so
529 * hopefully it'll be alright for now... :-( */
530 struct tm *tm = gmtime(&conus->time);
531 time_t onthe8 = conus->time - 60*((tm->tm_min+1)%10+1);
532 tm = gmtime(&onthe8);
533 nearest = g_strdup_printf("Conus_%04d%02d%02d_%02d%02d_N0Ronly.gif",
534 tm->tm_year+1900, tm->tm_mon+1, tm->tm_mday,
535 tm->tm_hour, tm->tm_min);
537 GList *files = grits_http_available(conus->http,
538 "^Conus_[^\"]*_N0Ronly.gif$", "", NULL, NULL);
539 nearest = _find_nearest(conus->time, files, 6);
540 g_list_foreach(files, (GFunc)g_free, NULL);
543 conus->message = "No suitable files";
548 /* Fetch the image */
549 g_debug("Conus: update_thread - fetch");
550 gchar *uri = g_strconcat(conus_url, nearest, NULL);
551 conus->path = grits_http_fetch(conus->http, uri, nearest,
552 offline ? GRITS_LOCAL : GRITS_ONCE,
553 _conus_update_loading, conus);
557 conus->message = "Fetch failed";
562 g_debug("Conus: update_thread - done");
563 if (!conus->idle_source)
564 conus->idle_source = g_idle_add(_conus_update_end, conus);
568 void _conus_update(RadarConus *conus)
570 if (!g_mutex_trylock(&conus->loading))
572 conus->time = grits_viewer_get_time(conus->viewer);
573 g_debug("Conus: update - %d",
576 /* Add a progress bar */
577 GtkWidget *progress = gtk_progress_bar_new();
578 gtk_progress_bar_set_text(GTK_PROGRESS_BAR(progress), "Loading...");
579 aweather_bin_set_child(GTK_BIN(conus->config), progress);
581 g_thread_new("conus-update-thread", _conus_update_thread, conus);
584 RadarConus *radar_conus_new(GtkWidget *pconfig,
585 GritsViewer *viewer, GritsHttp *http)
587 RadarConus *conus = g_new0(RadarConus, 1);
588 conus->viewer = g_object_ref(viewer);
590 conus->config = gtk_alignment_new(0, 0, 1, 1);
591 g_mutex_init(&conus->loading);
593 gdouble south = CONUS_NORTH - CONUS_DEG_PER_PX*CONUS_HEIGHT;
594 gdouble east = CONUS_WEST + CONUS_DEG_PER_PX*CONUS_WIDTH;
595 gdouble mid = CONUS_WEST + CONUS_DEG_PER_PX*CONUS_WIDTH/2;
596 conus->tile[0] = grits_tile_new(NULL, CONUS_NORTH, south, mid, CONUS_WEST);
597 conus->tile[1] = grits_tile_new(NULL, CONUS_NORTH, south, east, mid);
598 conus->tile[0]->zindex = 2;
599 conus->tile[1]->zindex = 1;
600 grits_viewer_add(viewer, GRITS_OBJECT(conus->tile[0]), GRITS_LEVEL_WORLD+2, FALSE);
601 grits_viewer_add(viewer, GRITS_OBJECT(conus->tile[1]), GRITS_LEVEL_WORLD+2, FALSE);
603 conus->time_id = g_signal_connect_swapped(viewer, "time-changed",
604 G_CALLBACK(_conus_update), conus);
605 conus->refresh_id = g_signal_connect_swapped(viewer, "refresh",
606 G_CALLBACK(_conus_update), conus);
608 g_object_set_data(G_OBJECT(conus->config), "conus", conus);
609 gtk_notebook_append_page(GTK_NOTEBOOK(pconfig), conus->config,
610 gtk_label_new("Conus"));
612 _conus_update(conus);
616 void radar_conus_free(RadarConus *conus)
618 g_signal_handler_disconnect(conus->viewer, conus->time_id);
619 g_signal_handler_disconnect(conus->viewer, conus->refresh_id);
620 if (conus->idle_source)
621 g_source_remove(conus->idle_source);
623 for (int i = 0; i < 2; i++)
624 grits_object_destroy_pointer(&conus->tile[i]);
626 g_object_unref(conus->viewer);
631 /********************
633 ********************/
634 static void _draw_hud(GritsCallback *callback, GritsOpenGL *opengl, gpointer _self)
636 g_debug("GritsPluginRadar: _draw_hud");
638 glMatrixMode(GL_MODELVIEW ); glLoadIdentity();
639 glMatrixMode(GL_PROJECTION); glLoadIdentity();
640 glDisable(GL_TEXTURE_2D);
641 glDisable(GL_ALPHA_TEST);
642 glDisable(GL_CULL_FACE);
643 glDisable(GL_LIGHTING);
644 glEnable(GL_COLOR_MATERIAL);
647 gpointer name, _site;
648 GritsPluginRadar *self = GRITS_PLUGIN_RADAR(_self);
649 g_hash_table_iter_init(&iter, self->sites);
650 while (g_hash_table_iter_next(&iter, &name, &_site)) {
651 /* Pick correct colormaps */
652 RadarSite *site = _site;
653 if (site->hidden || !site->level2)
655 AWeatherColormap *colormap = site->level2->sweep_colors;
657 /* Print the color table */
659 int len = colormap->len;
660 for (int i = 0; i < len; i++) {
661 glColor4ubv(colormap->data[i]);
662 glVertex3f(-1.0, (float)((i ) - len/2)/(len/2), 0.0); // bot left
663 glVertex3f(-1.0, (float)((i+1) - len/2)/(len/2), 0.0); // top left
664 glVertex3f(-0.9, (float)((i+1) - len/2)/(len/2), 0.0); // top right
665 glVertex3f(-0.9, (float)((i ) - len/2)/(len/2), 0.0); // bot right
671 static void _load_colormap(gchar *filename, AWeatherColormap *cm)
673 g_debug("GritsPluginRadar: _load_colormap - %s", filename);
674 FILE *file = fopen(filename, "r");
676 g_error("GritsPluginRadar: open failed");
678 GArray *array = g_array_sized_new(FALSE, TRUE, sizeof(color), 256);
679 if (!fgets(cm->name, sizeof(cm->name), file)) goto out;
680 if (!fscanf(file, "%f\n", &cm->scale)) goto out;
681 if (!fscanf(file, "%f\n", &cm->shift)) goto out;
683 while (fscanf(file, "%d %d %d %d\n", &r, &g, &b, &a) == 4) {
688 g_array_append_val(array, color);
690 cm->len = (gint )array->len;
691 cm->data = (void*)array->data;
693 g_array_free(array, FALSE);
697 static void _update_hidden(GtkNotebook *notebook,
698 gpointer _, guint page_num, gpointer viewer)
700 g_debug("GritsPluginRadar: _update_hidden - 0..%d = %d",
701 gtk_notebook_get_n_pages(notebook), page_num);
703 for (gint i = 0; i < gtk_notebook_get_n_pages(notebook); i++) {
704 gboolean is_hidden = (i != page_num);
705 GtkWidget *config = gtk_notebook_get_nth_page(notebook, i);
706 RadarConus *conus = g_object_get_data(G_OBJECT(config), "conus");
707 RadarSite *site = g_object_get_data(G_OBJECT(config), "site");
711 grits_object_hide(GRITS_OBJECT(conus->tile[0]), is_hidden);
712 grits_object_hide(GRITS_OBJECT(conus->tile[1]), is_hidden);
714 site->hidden = is_hidden;
716 grits_object_hide(GRITS_OBJECT(site->level2), is_hidden);
718 g_warning("GritsPluginRadar: _update_hidden - no site or counus found");
721 grits_viewer_queue_draw(viewer);
725 GritsPluginRadar *grits_plugin_radar_new(GritsViewer *viewer, GritsPrefs *prefs)
727 /* TODO: move to constructor if possible */
728 g_debug("GritsPluginRadar: new");
729 GritsPluginRadar *self = g_object_new(GRITS_TYPE_PLUGIN_RADAR, NULL);
730 self->viewer = g_object_ref(viewer);
731 self->prefs = g_object_ref(prefs);
733 /* Setup page switching */
734 self->tab_id = g_signal_connect(self->config, "switch-page",
735 G_CALLBACK(_update_hidden), viewer);
738 self->hud = grits_callback_new(_draw_hud, self);
739 grits_viewer_add(viewer, GRITS_OBJECT(self->hud), GRITS_LEVEL_HUD, FALSE);
742 self->conus = radar_conus_new(self->config, self->viewer, self->conus_http);
744 /* Load radar sites */
745 for (city_t *city = cities; city->type; city++) {
746 if (city->type != LOCATION_CITY)
748 RadarSite *site = radar_site_new(city, self->config,
749 self->viewer, self->prefs, self->sites_http);
750 g_hash_table_insert(self->sites, city->code, site);
756 static GtkWidget *grits_plugin_radar_get_config(GritsPlugin *_self)
758 GritsPluginRadar *self = GRITS_PLUGIN_RADAR(_self);
763 static void grits_plugin_radar_plugin_init(GritsPluginInterface *iface);
764 G_DEFINE_TYPE_WITH_CODE(GritsPluginRadar, grits_plugin_radar, G_TYPE_OBJECT,
765 G_IMPLEMENT_INTERFACE(GRITS_TYPE_PLUGIN,
766 grits_plugin_radar_plugin_init));
767 static void grits_plugin_radar_plugin_init(GritsPluginInterface *iface)
769 g_debug("GritsPluginRadar: plugin_init");
770 /* Add methods to the interface */
771 iface->get_config = grits_plugin_radar_get_config;
773 static void grits_plugin_radar_init(GritsPluginRadar *self)
775 g_debug("GritsPluginRadar: class_init");
777 self->sites_http = grits_http_new(G_DIR_SEPARATOR_S
778 "nexrad" G_DIR_SEPARATOR_S
779 "level2" G_DIR_SEPARATOR_S);
780 self->conus_http = grits_http_new(G_DIR_SEPARATOR_S
781 "nexrad" G_DIR_SEPARATOR_S
782 "conus" G_DIR_SEPARATOR_S);
783 self->sites = g_hash_table_new_full(g_str_hash, g_str_equal,
784 NULL, (GDestroyNotify)radar_site_free);
785 self->config = g_object_ref(gtk_notebook_new());
788 for (int i = 0; colormaps[i].file; i++) {
789 gchar *file = g_build_filename(PKGDATADIR,
790 "colors", colormaps[i].file, NULL);
791 _load_colormap(file, &colormaps[i]);
795 /* Need to position on the top because of Win32 bug */
796 gtk_notebook_set_tab_pos(GTK_NOTEBOOK(self->config), GTK_POS_LEFT);
798 static void grits_plugin_radar_dispose(GObject *gobject)
800 g_debug("GritsPluginRadar: dispose");
801 GritsPluginRadar *self = GRITS_PLUGIN_RADAR(gobject);
803 GritsViewer *viewer = self->viewer;
805 g_signal_handler_disconnect(self->config, self->tab_id);
806 grits_object_destroy_pointer(&self->hud);
807 radar_conus_free(self->conus);
808 g_hash_table_destroy(self->sites);
809 g_object_unref(self->config);
810 g_object_unref(self->prefs);
811 g_object_unref(viewer);
813 /* Drop references */
814 G_OBJECT_CLASS(grits_plugin_radar_parent_class)->dispose(gobject);
816 static void grits_plugin_radar_finalize(GObject *gobject)
818 g_debug("GritsPluginRadar: finalize");
819 GritsPluginRadar *self = GRITS_PLUGIN_RADAR(gobject);
821 grits_http_free(self->conus_http);
822 grits_http_free(self->sites_http);
823 gtk_widget_destroy(self->config);
824 G_OBJECT_CLASS(grits_plugin_radar_parent_class)->finalize(gobject);
827 static void grits_plugin_radar_class_init(GritsPluginRadarClass *klass)
829 g_debug("GritsPluginRadar: class_init");
830 GObjectClass *gobject_class = (GObjectClass*)klass;
831 gobject_class->dispose = grits_plugin_radar_dispose;
832 gobject_class->finalize = grits_plugin_radar_finalize;