Pileus Git - aweather/blob - src/aweather-gui.c

   1 /*
   2  * Copyright (C) 2009 Andy Spencer <spenceal@rose-hulman.edu>
   3  *
   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.
   8  *
   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.
  13  *
  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/>.
  16  */
  17
  18 #include <config.h>
  19 #include <gtk/gtk.h>
  20 #include <gdk/gdkkeysyms.h>
  21 #include <math.h>
  22
  23 #include <gis/gis.h>
  24
  25 #include "aweather-gui.h"
  26 #include "aweather-location.h"
  27
  28
  29 /*************
  30  * Callbacks *
  31  *************/
  32 gboolean on_gui_key_press(GtkWidget *widget, GdkEventKey *event, AWeatherGui *self)
  33 {
  34         g_debug("AWeatherGui: on_gui_key_press - key=%x, state=%x",
  35                         event->keyval, event->state);
  36         if (event->keyval == GDK_q)
  37                 gtk_widget_destroy(GTK_WIDGET(self));
  38         else if (event->keyval == GDK_r && event->state & GDK_CONTROL_MASK)
  39                 gis_world_refresh(self->world);
  40         else if (event->keyval == GDK_Tab || event->keyval == GDK_ISO_Left_Tab) {
  41                 GtkNotebook *tabs = GTK_NOTEBOOK(aweather_gui_get_widget(self, "main_tabs"));
  42                 gint num_tabs = gtk_notebook_get_n_pages(tabs);
  43                 gint cur_tab  = gtk_notebook_get_current_page(tabs);
  44                 if (event->state & GDK_SHIFT_MASK)
  45                         gtk_notebook_set_current_page(tabs, (cur_tab-1)%num_tabs);
  46                 else
  47                         gtk_notebook_set_current_page(tabs, (cur_tab+1)%num_tabs);
  48         };
  49         return FALSE;
  50 }
  51
  52 void on_quit(GtkMenuItem *menu, AWeatherGui *self)
  53 {
  54         gtk_widget_destroy(GTK_WIDGET(self));
  55 }
  56
  57 void on_zoomin(GtkAction *action, AWeatherGui *self)
  58 {
  59         gis_view_zoom(self->view, 3./4);
  60 }
  61
  62 void on_zoomout(GtkAction *action, AWeatherGui *self)
  63 {
  64         gis_view_zoom(self->view, 4./3);
  65 }
  66
  67 void on_refresh(GtkAction *action, AWeatherGui *self)
  68 {
  69         gis_world_refresh(self->world);
  70 }
  71
  72 void on_plugin_toggled(GtkCellRendererToggle *cell, gchar *path_str, AWeatherGui *self)
  73 {
  74         GtkWidget    *tview = aweather_gui_get_widget(self, "prefs_plugins_view");
  75         GtkTreeModel *model = gtk_tree_view_get_model(GTK_TREE_VIEW(tview));
  76         gboolean state;
  77         gchar *name;
  78         GtkTreeIter iter;
  79         gtk_tree_model_get_iter_from_string(model, &iter, path_str);
  80         gtk_tree_model_get(model, &iter, 0, &name, 1, &state, -1);
  81         state = !state;
  82         gtk_list_store_set(GTK_LIST_STORE(model), &iter, 1, state, -1);
  83         if (state)
  84                 aweather_gui_attach_plugin(self, name);
  85         else
  86                 aweather_gui_deattach_plugin(self, name);
  87         gis_prefs_set_boolean_v(self->prefs, name, "enabled", state);
  88         g_free(name);
  89 }
  90
  91 void on_time_changed(GtkTreeView *view, GtkTreePath *path,
  92                 GtkTreeViewColumn *column, AWeatherGui *self)
  93 {
  94         gchar *time;
  95         GtkTreeIter iter;
  96         GtkTreeModel *model = gtk_tree_view_get_model(view);
  97         gtk_tree_model_get_iter(model, &iter, path);
  98         gtk_tree_model_get(model, &iter, 0, &time, -1);
  99         gis_view_set_time(self->view, time);
 100         g_free(time);
 101 }
 102
 103 void on_site_changed(GtkComboBox *combo, AWeatherGui *self)
 104 {
 105         gchar *site;
 106         GtkTreeIter iter;
 107         GtkTreeModel *model = gtk_combo_box_get_model(combo);
 108         gtk_combo_box_get_active_iter(combo, &iter);
 109         gtk_tree_model_get(model, &iter, 1, &site, -1);
 110         gis_view_set_site(self->view, site);
 111         g_free(site);
 112 }
 113
 114 static gboolean gtk_tree_model_find_string(GtkTreeModel *model,
 115                 GtkTreeIter *rval, GtkTreeIter *parent, gint field, const gchar *key)
 116 {
 117         g_debug("AWeatherGui: gtk_tree_model_find - field=%d key=%s", field, key);
 118         char *text;
 119         GtkTreeIter cur;
 120         gint num_children = gtk_tree_model_iter_n_children(model, parent);
 121         for (int i = 0; i < num_children; i++) {
 122                 gtk_tree_model_iter_nth_child(model, &cur, parent, i);
 123                 gtk_tree_model_get(model, &cur, field, &text, -1);
 124                 if (text != NULL && g_str_equal(text, key)) {
 125                         *rval = cur;
 126                         g_free(text);
 127                         return TRUE;
 128                 }
 129                 g_free(text);
 130                 if (gtk_tree_model_iter_has_child(model, &cur))
 131                         if (gtk_tree_model_find_string(model, rval, &cur, field, key))
 132                                 return TRUE;
 133         }
 134         return FALSE;
 135 }
 136
 137 static void update_time_widget(GisView *view, const char *time, AWeatherGui *self)
 138 {
 139         g_debug("AWeatherGui: update_time_widget - time=%s", time);
 140         GtkTreeView  *tview = GTK_TREE_VIEW(aweather_gui_get_widget(self, "main_time"));
 141         GtkTreeModel *model = GTK_TREE_MODEL(gtk_tree_view_get_model(tview));
 142         GtkTreeIter iter;
 143         if (gtk_tree_model_find_string(model, &iter, NULL, 0, time)) {
 144                 GtkTreePath *path = gtk_tree_model_get_path(model, &iter);
 145                 g_signal_handlers_block_by_func(tview,
 146                                 G_CALLBACK(on_site_changed), self);
 147                 gtk_tree_view_set_cursor(tview, path, NULL, FALSE);
 148                 g_signal_handlers_unblock_by_func(tview,
 149                                 G_CALLBACK(on_site_changed), self);
 150                 gtk_tree_path_free(path);
 151         }
 152 }
 153
 154 static void update_site_widget(GisView *view, char *site, AWeatherGui *self)
 155 {
 156         g_debug("AWeatherGui: update_site_widget - site=%s", site);
 157         GtkComboBox  *combo = GTK_COMBO_BOX(aweather_gui_get_widget(self, "main_site"));
 158         GtkTreeModel *model = GTK_TREE_MODEL(gtk_combo_box_get_model(combo));
 159         GtkTreeIter iter;
 160         if (gtk_tree_model_find_string(model, &iter, NULL, 1, site)) {
 161                 g_signal_handlers_block_by_func(combo,
 162                                 G_CALLBACK(on_site_changed), self);
 163                 gtk_combo_box_set_active_iter(combo, &iter);
 164                 g_signal_handlers_unblock_by_func(combo,
 165                                 G_CALLBACK(on_site_changed), self);
 166         }
 167 }
 168
 169 /* Prefs callbacks */
 170 void on_offline(GtkToggleAction *action, AWeatherGui *self)
 171 {
 172         gboolean value = gtk_toggle_action_get_active(action);
 173         g_debug("AWeatherGui: on_offline - offline=%d", value);
 174         gis_prefs_set_boolean(self->prefs, "gis/offline", value);
 175         gis_world_set_offline(self->world, value);
 176 }
 177
 178 void on_initial_site_changed(GtkComboBox *combo, AWeatherGui *self)
 179 {
 180         gchar *site;
 181         GtkTreeIter iter;
 182         GtkTreeModel *model = gtk_combo_box_get_model(combo);
 183         gtk_combo_box_get_active_iter(combo, &iter);
 184         gtk_tree_model_get(model, &iter, 1, &site, -1);
 185         g_debug("AWeatherGui: on_initial_site_changed - site=%s", site);
 186         gis_prefs_set_string(self->prefs, "aweather/initial_site", site);
 187         g_free(site);
 188 }
 189
 190 void on_nexrad_url_changed(GtkEntry *entry, AWeatherGui *self)
 191 {
 192         const gchar *text = gtk_entry_get_text(entry);
 193         g_debug("AWeatherGui: on_nexrad_url_changed - url=%s", text);
 194         gis_prefs_set_string(self->prefs, "aweather/nexrad_url", text);
 195 }
 196
 197 int on_log_level_changed(GtkSpinButton *spinner, AWeatherGui *self)
 198 {
 199         gint value = gtk_spin_button_get_value_as_int(spinner);
 200         g_debug("AWeatherGui: on_log_level_changed - %p, level=%d", self, value);
 201         gis_prefs_set_integer(self->prefs, "aweather/log_level", value);
 202         return TRUE;
 203 }
 204
 205
 206 /*****************
 207  * Setup helpers *
 208  *****************/
 209 static void prefs_setup(AWeatherGui *self)
 210 {
 211         /* Set values */
 212         gchar *nu = gis_prefs_get_string (self->prefs, "aweather/nexrad_url");
 213         gint   ll = gis_prefs_get_integer(self->prefs, "aweather/log_level");
 214         gchar *is = gis_prefs_get_string (self->prefs, "aweather/initial_site");
 215         GtkWidget *nuw = aweather_gui_get_widget(self, "prefs_general_url");
 216         GtkWidget *llw = aweather_gui_get_widget(self, "prefs_general_log");
 217         GtkWidget *isw = aweather_gui_get_widget(self, "prefs_general_site");
 218         if (nu) gtk_entry_set_text(GTK_ENTRY(nuw), nu), g_free(nu);
 219         if (ll) gtk_spin_button_set_value(GTK_SPIN_BUTTON(llw), ll);
 220         if (is) {
 221                 GtkTreeModel *model = gtk_combo_box_get_model(GTK_COMBO_BOX(isw));
 222                 GtkTreeIter iter;
 223                 if (gtk_tree_model_find_string(model, &iter, NULL, 1, is))
 224                         gtk_combo_box_set_active_iter(GTK_COMBO_BOX(isw), &iter);
 225         }
 226
 227         /* Load Plugins */
 228         GtkTreeView       *tview = GTK_TREE_VIEW(aweather_gui_get_widget(self, "prefs_plugins_view"));
 229         GtkCellRenderer   *rend1 = gtk_cell_renderer_text_new();
 230         GtkCellRenderer   *rend2 = gtk_cell_renderer_toggle_new();
 231         GtkTreeViewColumn *col1  = gtk_tree_view_column_new_with_attributes(
 232                         "Plugin",  rend1, "text",   0, NULL);
 233         GtkTreeViewColumn *col2  = gtk_tree_view_column_new_with_attributes(
 234                         "Enabled", rend2, "active", 1, NULL);
 235         gtk_tree_view_append_column(tview, col1);
 236         gtk_tree_view_append_column(tview, col2);
 237         g_signal_connect(rend2, "toggled", G_CALLBACK(on_plugin_toggled), self);
 238         gtk_tree_view_set_model(GTK_TREE_VIEW(tview), GTK_TREE_MODEL(self->gtk_plugins));
 239 }
 240
 241 static void combo_sensitive(GtkCellLayout *cell_layout, GtkCellRenderer *cell,
 242                 GtkTreeModel *tree_model, GtkTreeIter *iter, gpointer data)
 243 {
 244         gboolean sensitive = !gtk_tree_model_iter_has_child(tree_model, iter);
 245         g_object_set(cell, "sensitive", sensitive, NULL);
 246 }
 247
 248 static void site_setup(AWeatherGui *self)
 249 {
 250         GtkTreeIter state, city;
 251         GtkTreeStore *store = GTK_TREE_STORE(aweather_gui_get_object(self, "sites"));
 252         for (int i = 0; cities[i].label; i++) {
 253                 if (cities[i].type == LOCATION_STATE) {
 254                         gtk_tree_store_append(store, &state, NULL);
 255                         gtk_tree_store_set   (store, &state, 0, cities[i].label,
 256                                                              1, cities[i].code,  -1);
 257                 } else {
 258                         gtk_tree_store_append(store, &city, &state);
 259                         gtk_tree_store_set   (store, &city, 0, cities[i].label,
 260                                                             1, cities[i].code,  -1);
 261                 }
 262         }
 263
 264         GtkWidget *combo    = aweather_gui_get_widget(self, "main_site");
 265         GObject   *renderer = aweather_gui_get_object(self, "main_site_rend");
 266         gtk_cell_layout_set_cell_data_func(GTK_CELL_LAYOUT(combo),
 267                         GTK_CELL_RENDERER(renderer), combo_sensitive, NULL, NULL);
 268
 269         g_signal_connect(self->view, "site-changed",
 270                         G_CALLBACK(update_site_widget), self);
 271 }
 272
 273 static void time_setup(AWeatherGui *self)
 274 {
 275         GtkTreeView       *tview = GTK_TREE_VIEW(aweather_gui_get_widget(self, "main_time"));
 276         GtkCellRenderer   *rend  = gtk_cell_renderer_text_new();
 277         GtkTreeViewColumn *col   = gtk_tree_view_column_new_with_attributes(
 278                                         "Time", rend, "text", 0, NULL);
 279
 280         gtk_tree_view_append_column(tview, col);
 281         g_object_set(rend, "size-points", 8.0, NULL);
 282
 283         g_signal_connect(self->view, "time-changed",
 284                         G_CALLBACK(update_time_widget), self);
 285 }
 286
 287
 288 /*************************
 289  * Deprecated site stuff *
 290  *************************/
 291 /* TODO: These update times functions are getting ugly... */
 292 static void update_times_gtk(AWeatherGui *self, GList *times)
 293 {
 294         gchar *last_time = NULL;
 295         GRegex *regex = g_regex_new("^[A-Z]{4}_([0-9]{8}_[0-9]{4})$", 0, 0, NULL); // KLSX_20090622_2113
 296         GMatchInfo *info;
 297
 298         GtkTreeView  *tview  = GTK_TREE_VIEW(aweather_gui_get_widget(self, "main_time"));
 299         GtkListStore *lstore = GTK_LIST_STORE(gtk_tree_view_get_model(tview));
 300         gtk_list_store_clear(lstore);
 301         GtkTreeIter iter;
 302         times = g_list_reverse(times);
 303         for (GList *cur = times; cur; cur = cur->next) {
 304                 if (g_regex_match(regex, cur->data, 0, &info)) {
 305                         gchar *time = g_match_info_fetch(info, 1);
 306                         gtk_list_store_insert(lstore, &iter, 0);
 307                         gtk_list_store_set(lstore, &iter, 0, time, -1);
 308                         last_time = time;
 309                 }
 310         }
 311
 312         gis_view_set_time(self->view, last_time);
 313
 314         g_regex_unref(regex);
 315         g_list_foreach(times, (GFunc)g_free, NULL);
 316         g_list_free(times);
 317 }
 318 static void update_times_online_cb(char *path, gboolean updated, gpointer _self)
 319 {
 320         GList *times = NULL;
 321         gchar *data;
 322         gsize length;
 323         g_file_get_contents(path, &data, &length, NULL);
 324         gchar **lines = g_strsplit(data, "\n", -1);
 325         for (int i = 0; lines[i] && lines[i][0]; i++) {
 326                 char **parts = g_strsplit(lines[i], " ", 2);
 327                 times = g_list_prepend(times, g_strdup(parts[1]));
 328                 g_strfreev(parts);
 329         }
 330         g_strfreev(lines);
 331         g_free(data);
 332
 333         update_times_gtk(_self, times);
 334 }
 335 static void update_times(AWeatherGui *self, GisView *view, char *site)
 336 {
 337         g_debug("AWeatherGui: update_times - site=%s", site);
 338         if (gis_world_get_offline(self->world)) {
 339                 GList *times = NULL;
 340                 gchar *path = g_build_filename(g_get_user_cache_dir(),
 341                                 "libgis", "nexrd2", "raw", site, NULL);
 342                 GDir *dir = g_dir_open(path, 0, NULL);
 343                 if (dir) {
 344                         const gchar *name;
 345                         while ((name = g_dir_read_name(dir))) {
 346                                 times = g_list_prepend(times, g_strdup(name));
 347                         }
 348                         g_dir_close(dir);
 349                 }
 350                 g_free(path);
 351                 update_times_gtk(self, times);
 352         } else {
 353                 gchar *path = g_strdup_printf("nexrd2/raw/%s/dir.list", site);
 354                 char *base = gis_prefs_get_string(self->prefs, "aweather/nexrad_url");
 355                 cache_file(base, path, GIS_REFRESH, NULL, update_times_online_cb, self);
 356                 /* update_times_gtk from update_times_online_cb */
 357         }
 358 }
 359 static void on_gis_site_changed(GisView *view, char *site, gpointer _self)
 360 {
 361         AWeatherGui *self = AWEATHER_GUI(_self);
 362         g_debug("AWeatherGui: on_site_changed - Loading wsr88d list for %s", site);
 363         update_times(self, view, site);
 364 }
 365 static void on_gis_refresh(GisWorld *world, gpointer _self)
 366 {
 367         AWeatherGui *self = AWEATHER_GUI(_self);
 368         char *site = gis_view_get_site(self->view);
 369         update_times(self, self->view, site);
 370 }
 371
 372
 373 /***********
 374  * Methods *
 375  ***********/
 376 AWeatherGui *aweather_gui_new()
 377 {
 378         g_debug("AWeatherGui: new");
 379         return g_object_new(AWEATHER_TYPE_GUI, NULL);
 380 }
 381 GisWorld *aweather_gui_get_world(AWeatherGui *self)
 382 {
 383         g_assert(AWEATHER_IS_GUI(self));
 384         return self->world;
 385 }
 386 GisView *aweather_gui_get_view(AWeatherGui *self)
 387 {
 388         g_assert(AWEATHER_IS_GUI(self));
 389         return self->view;
 390 }
 391 GisOpenGL *aweather_gui_get_opengl(AWeatherGui *self)
 392 {
 393         g_assert(AWEATHER_IS_GUI(self));
 394         return self->opengl;
 395 }
 396 GtkBuilder *aweather_gui_get_builder(AWeatherGui *self)
 397 {
 398         g_debug("AWeatherGui: get_builder");
 399         g_assert(AWEATHER_IS_GUI(self));
 400         return self->builder;
 401 }
 402 GtkWidget *aweather_gui_get_widget(AWeatherGui *self, const gchar *name)
 403 {
 404         g_debug("AWeatherGui: get_widget - name=%s", name);
 405         g_assert(AWEATHER_IS_GUI(self));
 406         GObject *widget = gtk_builder_get_object(self->builder, name);
 407         if (!GTK_IS_WIDGET(widget))
 408                 g_error("Failed to get widget `%s'", name);
 409         return GTK_WIDGET(widget);
 410 }
 411 GObject *aweather_gui_get_object(AWeatherGui *self, const gchar *name)
 412 {
 413         g_debug("AWeatherGui: get_widget - name=%s", name);
 414         g_assert(AWEATHER_IS_GUI(self));
 415         return gtk_builder_get_object(self->builder, name);
 416 }
 417 void aweather_gui_attach_plugin(AWeatherGui *self, const gchar *name)
 418 {
 419         GisPlugin *plugin = gis_plugins_load(self->plugins, name,
 420                         self->world, self->view, self->opengl, self->prefs);
 421         GtkWidget *body = gis_plugin_get_config(plugin);
 422         if (body) {
 423                 GtkWidget *config = aweather_gui_get_widget(self, "main_tabs");
 424                 GtkWidget *tab    = gtk_label_new(name);
 425                 gtk_notebook_append_page(GTK_NOTEBOOK(config), body, tab);
 426                 gtk_widget_show_all(config);
 427         }
 428         gis_opengl_redraw(self->opengl);
 429 }
 430 void aweather_gui_deattach_plugin(AWeatherGui *self, const gchar *name)
 431 {
 432         GtkWidget *config = aweather_gui_get_widget(self, "main_tabs");
 433         guint n_pages = gtk_notebook_get_n_pages(GTK_NOTEBOOK(config));
 434         for (int i = 0; i < n_pages; i++) {
 435                 g_debug("testing tab %d", i);
 436                 GtkWidget *body = gtk_notebook_get_nth_page(GTK_NOTEBOOK(config), i);
 437                 if (!body) continue;
 438                 GtkWidget *tab = gtk_notebook_get_tab_label(GTK_NOTEBOOK(config), body);
 439                 if (!tab) continue;
 440                 const gchar *tab_name = gtk_label_get_text(GTK_LABEL(tab));
 441                 if (tab_name && g_str_equal(name, tab_name))
 442                         gtk_notebook_remove_page(GTK_NOTEBOOK(config), i);
 443         }
 444         gis_plugins_unload(self->plugins, name);
 445         gis_opengl_redraw(self->opengl);
 446 }
 447
 448
 449 /****************
 450  * GObject code *
 451  ****************/
 452 G_DEFINE_TYPE(AWeatherGui, aweather_gui, GTK_TYPE_WINDOW);
 453 static void aweather_gui_init(AWeatherGui *self)
 454 {
 455         g_debug("AWeatherGui: init");
 456
 457         /* Simple things */
 458         gchar *config   = g_build_filename(g_get_user_config_dir(), PACKAGE, "config.ini", NULL);
 459         gchar *defaults = g_build_filename(PKGDATADIR, "defaults.ini", NULL);
 460         self->prefs   = gis_prefs_new(config, defaults);
 461         self->plugins = gis_plugins_new(PLUGINSDIR);
 462         self->world   = gis_world_new();
 463         self->view    = gis_view_new();
 464         self->opengl  = gis_opengl_new(self->world, self->view, self->plugins);
 465         g_free(config);
 466         g_free(defaults);
 467
 468         /* Setup window */
 469         self->builder = gtk_builder_new();
 470         GError *error = NULL;
 471         if (!gtk_builder_add_from_file(self->builder, PKGDATADIR "/main.ui", &error))
 472                 g_error("Failed to create gtk builder: %s", error->message);
 473         gtk_widget_reparent(aweather_gui_get_widget(self, "main_body"), GTK_WIDGET(self));
 474         GtkWidget *paned = aweather_gui_get_widget(self, "main_paned");
 475         gtk_widget_destroy(gtk_paned_get_child1(GTK_PANED(paned)));
 476         gtk_paned_pack1(GTK_PANED(paned), GTK_WIDGET(self->opengl), TRUE, FALSE);
 477
 478         /* Plugins */
 479         GtkTreeIter iter;
 480         self->gtk_plugins = GTK_LIST_STORE(aweather_gui_get_object(self, "plugins"));
 481         for (GList *cur = gis_plugins_available(self->plugins); cur; cur = cur->next) {
 482                 gchar *name = cur->data;
 483                 gboolean enabled = gis_prefs_get_boolean_v(self->prefs, cur->data, "enabled");
 484                 gtk_list_store_append(self->gtk_plugins, &iter);
 485                 gtk_list_store_set(self->gtk_plugins, &iter, 0, name, 1, enabled, -1);
 486                 if (enabled)
 487                         aweather_gui_attach_plugin(self, name);
 488         }
 489
 490         /* Misc, helpers */
 491         site_setup(self);
 492         time_setup(self);
 493         prefs_setup(self);
 494
 495         /* Connect signals */
 496         gtk_builder_connect_signals(self->builder, self);
 497         g_signal_connect(self, "key-press-event",
 498                         G_CALLBACK(on_gui_key_press), self);
 499         g_signal_connect_swapped(self->world, "offline",
 500                         G_CALLBACK(gtk_toggle_action_set_active),
 501                         aweather_gui_get_object(self, "offline"));
 502
 503         /* deprecated site stuff */
 504         g_signal_connect(self->view,  "site-changed", G_CALLBACK(on_gis_site_changed), self);
 505         g_signal_connect(self->world, "refresh",      G_CALLBACK(on_gis_refresh),      self);
 506 }
 507 static GObject *aweather_gui_constructor(GType gtype, guint n_properties,
 508                 GObjectConstructParam *properties)
 509 {
 510         g_debug("aweather_gui: constructor");
 511         GObjectClass *parent_class = G_OBJECT_CLASS(aweather_gui_parent_class);
 512         return parent_class->constructor(gtype, n_properties, properties);
 513 }
 514 static void aweather_gui_dispose(GObject *_self)
 515 {
 516         g_debug("AWeatherGui: dispose");
 517         AWeatherGui *self = AWEATHER_GUI(_self);
 518         if (self->builder) {
 519                 /* Reparent to avoid double unrefs */
 520                 GtkWidget *body   = aweather_gui_get_widget(self, "main_body");
 521                 GtkWidget *window = aweather_gui_get_widget(self, "main_window");
 522                 gtk_widget_reparent(body, window);
 523                 g_object_unref(self->builder);
 524                 self->builder = NULL;
 525         }
 526         if (self->world) {
 527                 g_object_unref(self->world);
 528                 self->world = NULL;
 529         }
 530         if (self->view) {
 531                 g_object_unref(self->view);
 532                 self->view = NULL;
 533         }
 534         if (self->opengl) {
 535                 g_object_unref(self->opengl);
 536                 self->opengl = NULL;
 537         }
 538         if (self->plugins) {
 539                 gis_plugins_free(self->plugins);
 540                 self->plugins = NULL;
 541         }
 542         if (self->prefs) {
 543                 g_object_unref(self->prefs);
 544                 self->prefs = NULL;
 545         }
 546         G_OBJECT_CLASS(aweather_gui_parent_class)->dispose(_self);
 547 }
 548 static void aweather_gui_finalize(GObject *_self)
 549 {
 550         g_debug("AWeatherGui: finalize");
 551         G_OBJECT_CLASS(aweather_gui_parent_class)->finalize(_self);
 552         gtk_main_quit();
 553
 554 }
 555 static void aweather_gui_class_init(AWeatherGuiClass *klass)
 556 {
 557         g_debug("AWeatherGui: class_init");
 558         GObjectClass *gobject_class = G_OBJECT_CLASS(klass);
 559         gobject_class->constructor  = aweather_gui_constructor;
 560         gobject_class->dispose      = aweather_gui_dispose;
 561         gobject_class->finalize     = aweather_gui_finalize;
 562 }