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1 /*
2  * Copyright (C) 2009-2010 Andy Spencer <andy753421@gmail.com>
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.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_viewer_refresh(self->viewer);
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_viewer_zoom(self->viewer, 3./4);
60 }
61
62 void on_zoomout(GtkAction *action, AWeatherGui *self)
63 {
64         gis_viewer_zoom(self->viewer, 4./3);
65 }
66
67 void on_refresh(GtkAction *action, AWeatherGui *self)
68 {
69         gis_viewer_refresh(self->viewer);
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         g_free(name);
88 }
89
90 void on_time_changed(GtkTreeView *view, GtkTreePath *path,
91                 GtkTreeViewColumn *column, AWeatherGui *self)
92 {
93         gchar *time;
94         GtkTreeIter iter;
95         GtkTreeModel *model = gtk_tree_view_get_model(view);
96         gtk_tree_model_get_iter(model, &iter, path);
97         gtk_tree_model_get(model, &iter, 0, &time, -1);
98         gis_viewer_set_time(self->viewer, time);
99         g_free(time);
100 }
101
102 void on_site_changed(GtkComboBox *combo, AWeatherGui *self)
103 {
104         gchar *site;
105         GtkTreeIter iter;
106         GtkTreeModel *model = gtk_combo_box_get_model(combo);
107         gtk_combo_box_get_active_iter(combo, &iter);
108         gtk_tree_model_get(model, &iter, 1, &site, -1);
109         city_t *city;
110         for (city = cities; city->type; city++)
111                 if (city->code && g_str_equal(city->code, site)) {
112                         gis_viewer_set_location(self->viewer,
113                                         city->lat, city->lon, EARTH_R/20);
114                         gis_viewer_set_rotation(self->viewer, 0, 0, 0);
115                         break;
116                 }
117         g_free(site);
118 }
119
120 static gboolean gtk_tree_model_find_string(GtkTreeModel *model,
121                 GtkTreeIter *rval, GtkTreeIter *parent, gint field, const gchar *key)
122 {
123         g_debug("AWeatherGui: gtk_tree_model_find - field=%d key=%s", field, key);
124         char *text;
125         GtkTreeIter cur;
126         gint num_children = gtk_tree_model_iter_n_children(model, parent);
127         for (int i = 0; i < num_children; i++) {
128                 gtk_tree_model_iter_nth_child(model, &cur, parent, i);
129                 gtk_tree_model_get(model, &cur, field, &text, -1);
130                 if (text != NULL && g_str_equal(text, key)) {
131                         *rval = cur;
132                         g_free(text);
133                         return TRUE;
134                 }
135                 g_free(text);
136                 if (gtk_tree_model_iter_has_child(model, &cur))
137                         if (gtk_tree_model_find_string(model, rval, &cur, field, key))
138                                 return TRUE;
139         }
140         return FALSE;
141 }
142
143 static void update_time_widget(GisViewer *viewer, const char *time, AWeatherGui *self)
144 {
145         g_debug("AWeatherGui: update_time_widget - time=%s", time);
146         GtkTreeView  *tview = GTK_TREE_VIEW(aweather_gui_get_widget(self, "main_time"));
147         GtkTreeModel *model = GTK_TREE_MODEL(gtk_tree_view_get_model(tview));
148         GtkTreeIter iter;
149         if (gtk_tree_model_find_string(model, &iter, NULL, 0, time)) {
150                 GtkTreePath *path = gtk_tree_model_get_path(model, &iter);
151                 g_signal_handlers_block_by_func(tview,
152                                 G_CALLBACK(on_site_changed), self);
153                 gtk_tree_view_set_cursor(tview, path, NULL, FALSE);
154                 g_signal_handlers_unblock_by_func(tview,
155                                 G_CALLBACK(on_site_changed), self);
156                 gtk_tree_path_free(path);
157         }
158 }
159
160 static void update_site_widget(GisViewer *viewer, char *site, AWeatherGui *self)
161 {
162         g_debug("AWeatherGui: update_site_widget - site=%s", site);
163         GtkComboBox  *combo = GTK_COMBO_BOX(aweather_gui_get_widget(self, "main_site"));
164         GtkTreeModel *model = GTK_TREE_MODEL(gtk_combo_box_get_model(combo));
165         GtkTreeIter iter;
166         if (gtk_tree_model_find_string(model, &iter, NULL, 1, site)) {
167                 g_signal_handlers_block_by_func(combo,
168                                 G_CALLBACK(on_site_changed), self);
169                 gtk_combo_box_set_active_iter(combo, &iter);
170                 g_signal_handlers_unblock_by_func(combo,
171                                 G_CALLBACK(on_site_changed), self);
172         }
173 }
174
175 /* Prefs callbacks */
176 void on_offline(GtkToggleAction *action, AWeatherGui *self)
177 {
178         gboolean value = gtk_toggle_action_get_active(action);
179         g_debug("AWeatherGui: on_offline - offline=%d", value);
180         gis_viewer_set_offline(self->viewer, value);
181 }
182
183 void on_initial_site_changed(GtkComboBox *combo, AWeatherGui *self)
184 {
185         gchar *site;
186         GtkTreeIter iter;
187         GtkTreeModel *model = gtk_combo_box_get_model(combo);
188         gtk_combo_box_get_active_iter(combo, &iter);
189         gtk_tree_model_get(model, &iter, 1, &site, -1);
190         g_debug("AWeatherGui: on_initial_site_changed - site=%s", site);
191         gis_prefs_set_string(self->prefs, "aweather/initial_site", site);
192         g_free(site);
193 }
194
195 void on_nexrad_url_changed(GtkEntry *entry, AWeatherGui *self)
196 {
197         const gchar *text = gtk_entry_get_text(entry);
198         g_debug("AWeatherGui: on_nexrad_url_changed - url=%s", text);
199         gis_prefs_set_string(self->prefs, "aweather/nexrad_url", text);
200 }
201
202 int on_log_level_changed(GtkSpinButton *spinner, AWeatherGui *self)
203 {
204         gint value = gtk_spin_button_get_value_as_int(spinner);
205         g_debug("AWeatherGui: on_log_level_changed - %p, level=%d", self, value);
206         gis_prefs_set_integer(self->prefs, "aweather/log_level", value);
207         return TRUE;
208 }
209
210
211 /*****************
212  * Setup helpers *
213  *****************/
214 static void prefs_setup(AWeatherGui *self)
215 {
216         /* Set values */
217         gchar *nu = gis_prefs_get_string (self->prefs, "aweather/nexrad_url",   NULL);
218         gint   ll = gis_prefs_get_integer(self->prefs, "aweather/log_level",    NULL);
219         gchar *is = gis_prefs_get_string (self->prefs, "aweather/initial_site", NULL);
220         GtkWidget *nuw = aweather_gui_get_widget(self, "prefs_general_url");
221         GtkWidget *llw = aweather_gui_get_widget(self, "prefs_general_log");
222         GtkWidget *isw = aweather_gui_get_widget(self, "prefs_general_site");
223         if (nu) gtk_entry_set_text(GTK_ENTRY(nuw), nu), g_free(nu);
224         if (ll) gtk_spin_button_set_value(GTK_SPIN_BUTTON(llw), ll);
225         if (is) {
226                 GtkTreeModel *model = gtk_combo_box_get_model(GTK_COMBO_BOX(isw));
227                 GtkTreeIter iter;
228                 if (gtk_tree_model_find_string(model, &iter, NULL, 1, is))
229                         gtk_combo_box_set_active_iter(GTK_COMBO_BOX(isw), &iter);
230         }
231
232         /* Load Plugins */
233         GtkTreeView       *tview = GTK_TREE_VIEW(aweather_gui_get_widget(self, "prefs_plugins_view"));
234         GtkCellRenderer   *rend1 = gtk_cell_renderer_text_new();
235         GtkCellRenderer   *rend2 = gtk_cell_renderer_toggle_new();
236         GtkTreeViewColumn *col1  = gtk_tree_view_column_new_with_attributes(
237                         "Plugin",  rend1, "text",   0, NULL);
238         GtkTreeViewColumn *col2  = gtk_tree_view_column_new_with_attributes(
239                         "Enabled", rend2, "active", 1, NULL);
240         g_object_set(rend2, "xalign", 0, NULL);
241         gtk_tree_view_append_column(tview, col1);
242         gtk_tree_view_append_column(tview, col2);
243         g_signal_connect(rend2, "toggled", G_CALLBACK(on_plugin_toggled), self);
244         gtk_tree_view_set_model(GTK_TREE_VIEW(tview), GTK_TREE_MODEL(self->gtk_plugins));
245 }
246
247 static void combo_sensitive(GtkCellLayout *cell_layout, GtkCellRenderer *cell,
248                 GtkTreeModel *tree_model, GtkTreeIter *iter, gpointer data)
249 {
250         gboolean sensitive = !gtk_tree_model_iter_has_child(tree_model, iter);
251         g_object_set(cell, "sensitive", sensitive, NULL);
252 }
253
254 static void site_setup(AWeatherGui *self)
255 {
256         GtkTreeIter state, city;
257         GtkTreeStore *store = GTK_TREE_STORE(aweather_gui_get_object(self, "sites"));
258         for (int i = 0; cities[i].label; i++) {
259                 if (cities[i].type == LOCATION_STATE) {
260                         gtk_tree_store_append(store, &state, NULL);
261                         gtk_tree_store_set   (store, &state, 0, cities[i].label,
262                                                              1, cities[i].code,  -1);
263                 } else {
264                         gtk_tree_store_append(store, &city, &state);
265                         gtk_tree_store_set   (store, &city, 0, cities[i].label,
266                                                             1, cities[i].code,  -1);
267                 }
268         }
269
270         GtkWidget *combo    = aweather_gui_get_widget(self, "main_site");
271         GObject   *renderer = aweather_gui_get_object(self, "main_site_rend");
272         gtk_cell_layout_set_cell_data_func(GTK_CELL_LAYOUT(combo),
273                         GTK_CELL_RENDERER(renderer), combo_sensitive, NULL, NULL);
274 }
275
276 static void time_setup(AWeatherGui *self)
277 {
278         GtkTreeView       *tview = GTK_TREE_VIEW(aweather_gui_get_widget(self, "main_time"));
279         GtkCellRenderer   *rend  = gtk_cell_renderer_text_new();
280         GtkTreeViewColumn *col   = gtk_tree_view_column_new_with_attributes(
281                                         "Time", rend, "text", 0, NULL);
282
283         gtk_tree_view_append_column(tview, col);
284         g_object_set(rend, "size-points", 8.0, NULL);
285
286         g_signal_connect(self->viewer, "time-changed",
287                         G_CALLBACK(update_time_widget), self);
288 }
289
290
291 /*************************
292  * Deprecated site stuff *
293  *************************/
294 /* TODO: These update times functions are getting ugly... */
295 static void update_times_gtk(AWeatherGui *self, GList *times)
296 {
297         gchar *last_time = NULL;
298         GRegex *regex = g_regex_new("^[A-Z]{4}_([0-9]{8}_[0-9]{4})$", 0, 0, NULL); // KLSX_20090622_2113
299         GMatchInfo *info;
300
301         GtkTreeView  *tview  = GTK_TREE_VIEW(aweather_gui_get_widget(self, "main_time"));
302         GtkListStore *lstore = GTK_LIST_STORE(gtk_tree_view_get_model(tview));
303         gtk_list_store_clear(lstore);
304         GtkTreeIter iter;
305         times = g_list_reverse(times);
306         for (GList *cur = times; cur; cur = cur->next) {
307                 if (g_regex_match(regex, cur->data, 0, &info)) {
308                         gchar *time = g_match_info_fetch(info, 1);
309                         gtk_list_store_insert(lstore, &iter, 0);
310                         gtk_list_store_set(lstore, &iter, 0, time, -1);
311                         last_time = time;
312                 }
313         }
314
315         gis_viewer_set_time(self->viewer, last_time);
316
317         g_regex_unref(regex);
318         g_list_foreach(times, (GFunc)g_free, NULL);
319         g_list_free(times);
320 }
321 static void update_times_online_cb(char *path, gboolean updated, gpointer _self)
322 {
323         GList *times = NULL;
324         gchar *data;
325         gsize length;
326         g_file_get_contents(path, &data, &length, NULL);
327         gchar **lines = g_strsplit(data, "\n", -1);
328         for (int i = 0; lines[i] && lines[i][0]; i++) {
329                 char **parts = g_strsplit(lines[i], " ", 2);
330                 times = g_list_prepend(times, g_strdup(parts[1]));
331                 g_strfreev(parts);
332         }
333         g_strfreev(lines);
334         g_free(data);
335
336         update_times_gtk(_self, times);
337 }
338 static void update_times(AWeatherGui *self, GisViewer *viewer, char *site)
339 {
340         g_debug("AWeatherGui: update_times - site=%s", site);
341         if (gis_viewer_get_offline(self->viewer)) {
342                 GList *times = NULL;
343                 gchar *path = g_build_filename(g_get_user_cache_dir(),
344                                 "libgis", "nexrd2", "raw", site, NULL);
345                 GDir *dir = g_dir_open(path, 0, NULL);
346                 if (dir) {
347                         const gchar *name;
348                         while ((name = g_dir_read_name(dir))) {
349                                 times = g_list_prepend(times, g_strdup(name));
350                         }
351                         g_dir_close(dir);
352                 }
353                 g_free(path);
354                 update_times_gtk(self, times);
355         } else {
356                 gchar *path = g_strdup_printf("nexrd2/raw/%s/dir.list", site);
357                 char *base = gis_prefs_get_string(self->prefs, "aweather/nexrad_url", NULL);
358                 cache_file(base, path, GIS_REFRESH, NULL, update_times_online_cb, self);
359                 /* update_times_gtk from update_times_online_cb */
360         }
361 }
362 /* FIXME: This is redundent with the radar plugin
363  *        Make a shared wsr88d file? */
364 static void on_gis_location_changed(GisViewer *viewer,
365                 gdouble lat, gdouble lon, gdouble elev,
366                 gpointer _self)
367 {
368         AWeatherGui *self = AWEATHER_GUI(_self);
369         gdouble min_dist = EARTH_R / 5;
370         city_t *city, *min_city = NULL;
371         for (city = cities; city->type; city++) {
372                 if (city->type != LOCATION_CITY)
373                         continue;
374                 gdouble city_loc[3] = {};
375                 gdouble eye_loc[3]  = {lat, lon, elev};
376                 lle2xyz(city->lat, city->lon, city->elev,
377                                 &city_loc[0], &city_loc[1], &city_loc[2]);
378                 lle2xyz(lat, lon, elev,
379                                 &eye_loc[0], &eye_loc[1], &eye_loc[2]);
380                 gdouble dist = distd(city_loc, eye_loc);
381                 if (dist < min_dist) {
382                         min_dist = dist;
383                         min_city = city;
384                 }
385         }
386         static city_t *last_city = NULL;
387         if (min_city && min_city != last_city) {
388                 update_site_widget(self->viewer, min_city->code, self);
389                 update_times(self, viewer, min_city->code);
390         }
391         last_city = min_city;
392 }
393 static void on_gis_refresh(GisViewer *viewer, gpointer _self)
394 {
395         AWeatherGui *self = AWEATHER_GUI(_self);
396         gdouble lat, lon, elev;
397         gis_viewer_get_location(self->viewer, &lat, &lon, &elev);
398         /* Hack to update times */
399         on_gis_location_changed(self->viewer, lat, lon, elev, self);
400 }
401
402
403 /***********
404  * Methods *
405  ***********/
406 AWeatherGui *aweather_gui_new()
407 {
408         g_debug("AWeatherGui: new");
409         return g_object_new(AWEATHER_TYPE_GUI, NULL);
410 }
411 GisViewer *aweather_gui_get_viewer(AWeatherGui *self)
412 {
413         g_assert(AWEATHER_IS_GUI(self));
414         return self->viewer;
415 }
416 GtkBuilder *aweather_gui_get_builder(AWeatherGui *self)
417 {
418         g_debug("AWeatherGui: get_builder");
419         g_assert(AWEATHER_IS_GUI(self));
420         return self->builder;
421 }
422 GtkWidget *aweather_gui_get_widget(AWeatherGui *self, const gchar *name)
423 {
424         g_debug("AWeatherGui: get_widget - name=%s", name);
425         g_assert(AWEATHER_IS_GUI(self));
426         GObject *widget = gtk_builder_get_object(self->builder, name);
427         if (!GTK_IS_WIDGET(widget))
428                 g_error("Failed to get widget `%s'", name);
429         return GTK_WIDGET(widget);
430 }
431 GObject *aweather_gui_get_object(AWeatherGui *self, const gchar *name)
432 {
433         g_debug("AWeatherGui: get_widget - name=%s", name);
434         g_assert(AWEATHER_IS_GUI(self));
435         return gtk_builder_get_object(self->builder, name);
436 }
437 void aweather_gui_attach_plugin(AWeatherGui *self, const gchar *name)
438 {
439         GisPlugin *plugin = gis_plugins_enable(self->plugins, name,
440                         self->viewer, self->prefs);
441         GtkWidget *body = gis_plugin_get_config(plugin);
442         if (body) {
443                 GtkWidget *config = aweather_gui_get_widget(self, "main_tabs");
444                 GtkWidget *tab    = gtk_label_new(name);
445                 gtk_notebook_append_page(GTK_NOTEBOOK(config), body, tab);
446                 gtk_widget_show_all(config);
447         }
448         gtk_widget_queue_draw(GTK_WIDGET(self->viewer));
449 }
450 void aweather_gui_deattach_plugin(AWeatherGui *self, const gchar *name)
451 {
452         GtkWidget *config = aweather_gui_get_widget(self, "main_tabs");
453         guint n_pages = gtk_notebook_get_n_pages(GTK_NOTEBOOK(config));
454         for (int i = 0; i < n_pages; i++) {
455                 g_debug("testing tab %d", i);
456                 GtkWidget *body = gtk_notebook_get_nth_page(GTK_NOTEBOOK(config), i);
457                 if (!body) continue;
458                 GtkWidget *tab = gtk_notebook_get_tab_label(GTK_NOTEBOOK(config), body);
459                 if (!tab) continue;
460                 const gchar *tab_name = gtk_label_get_text(GTK_LABEL(tab));
461                 if (tab_name && g_str_equal(name, tab_name))
462                         gtk_notebook_remove_page(GTK_NOTEBOOK(config), i);
463         }
464         gis_plugins_disable(self->plugins, name);
465         gtk_widget_queue_draw(GTK_WIDGET(self->viewer));
466 }
467
468
469 /****************
470  * GObject code *
471  ****************/
472 G_DEFINE_TYPE(AWeatherGui, aweather_gui, GTK_TYPE_WINDOW);
473 static void aweather_gui_init(AWeatherGui *self)
474 {
475         g_debug("AWeatherGui: init");
476
477         /* Simple things */
478         gchar *config   = g_build_filename(g_get_user_config_dir(), PACKAGE, "config.ini", NULL);
479         gchar *defaults = g_build_filename(PKGDATADIR, "defaults.ini", NULL);
480         self->prefs   = gis_prefs_new(config, defaults);
481         self->plugins = gis_plugins_new(PLUGINSDIR, self->prefs);
482         self->viewer  = gis_opengl_new(self->plugins, self->prefs);
483         g_free(config);
484         g_free(defaults);
485
486         /* Setup window */
487         self->builder = gtk_builder_new();
488         GError *error = NULL;
489         if (!gtk_builder_add_from_file(self->builder, PKGDATADIR "/main.ui", &error))
490                 g_error("Failed to create gtk builder: %s", error->message);
491         gtk_widget_reparent(aweather_gui_get_widget(self, "main_body"), GTK_WIDGET(self));
492         GtkWidget *paned = aweather_gui_get_widget(self, "main_paned");
493         gtk_widget_destroy(gtk_paned_get_child1(GTK_PANED(paned)));
494         gtk_paned_pack1(GTK_PANED(paned), GTK_WIDGET(self->viewer), TRUE, FALSE);
495         gtk_widget_show_all(GTK_WIDGET(self));
496
497         /* Plugins */
498         GtkTreeIter iter;
499         self->gtk_plugins = GTK_LIST_STORE(aweather_gui_get_object(self, "plugins"));
500         for (GList *cur = gis_plugins_available(self->plugins); cur; cur = cur->next) {
501                 gchar *name = cur->data;
502                 GError *error = NULL;
503                 gboolean enabled = gis_prefs_get_boolean_v(self->prefs, "plugins", cur->data, &error);
504                 if (error && error->code == G_KEY_FILE_ERROR_GROUP_NOT_FOUND)
505                         enabled = TRUE;
506                 gtk_list_store_append(self->gtk_plugins, &iter);
507                 gtk_list_store_set(self->gtk_plugins, &iter, 0, name, 1, enabled, -1);
508                 if (enabled)
509                         aweather_gui_attach_plugin(self, name);
510         }
511
512         /* Misc, helpers */
513         site_setup(self);
514         time_setup(self);
515         prefs_setup(self);
516
517         /* Connect signals */
518         gtk_builder_connect_signals(self->builder, self);
519         g_signal_connect(self, "key-press-event",
520                         G_CALLBACK(on_gui_key_press), self);
521         g_signal_connect_swapped(self->viewer, "offline",
522                         G_CALLBACK(gtk_toggle_action_set_active),
523                         aweather_gui_get_object(self, "offline"));
524
525         /* deprecated site stuff */
526         g_signal_connect(self->viewer, "location-changed",
527                         G_CALLBACK(on_gis_location_changed), self);
528         g_signal_connect(self->viewer, "refresh",
529                         G_CALLBACK(on_gis_refresh), self);
530 }
531 static GObject *aweather_gui_constructor(GType gtype, guint n_properties,
532                 GObjectConstructParam *properties)
533 {
534         g_debug("aweather_gui: constructor");
535         GObjectClass *parent_class = G_OBJECT_CLASS(aweather_gui_parent_class);
536         return parent_class->constructor(gtype, n_properties, properties);
537 }
538 static void aweather_gui_dispose(GObject *_self)
539 {
540         g_debug("AWeatherGui: dispose");
541         AWeatherGui *self = AWEATHER_GUI(_self);
542         if (self->builder) {
543                 /* Reparent to avoid double unrefs */
544                 GtkWidget *body   = aweather_gui_get_widget(self, "main_body");
545                 GtkWidget *window = aweather_gui_get_widget(self, "main_window");
546                 gtk_widget_reparent(body, window);
547                 g_object_unref(self->builder);
548                 self->builder = NULL;
549         }
550         if (self->viewer) {
551                 g_object_unref(self->viewer);
552                 self->viewer = NULL;
553         }
554         if (self->plugins) {
555                 gis_plugins_free(self->plugins);
556                 self->plugins = NULL;
557         }
558         if (self->prefs) {
559                 g_object_unref(self->prefs);
560                 self->prefs = NULL;
561         }
562         G_OBJECT_CLASS(aweather_gui_parent_class)->dispose(_self);
563 }
564 static void aweather_gui_finalize(GObject *_self)
565 {
566         g_debug("AWeatherGui: finalize");
567         G_OBJECT_CLASS(aweather_gui_parent_class)->finalize(_self);
568         gtk_main_quit();
569
570 }
571 static void aweather_gui_class_init(AWeatherGuiClass *klass)
572 {
573         g_debug("AWeatherGui: class_init");
574         GObjectClass *gobject_class = G_OBJECT_CLASS(klass);
575         gobject_class->constructor  = aweather_gui_constructor;
576         gobject_class->dispose      = aweather_gui_dispose;
577         gobject_class->finalize     = aweather_gui_finalize;
578 }