2 * Copyright (C) 2009 Andy Spencer <spenceal@rose-hulman.edu>
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/>.
20 #include <gdk/gdkkeysyms.h>
24 #include "aweather-gui.h"
25 #include "aweather-plugin.h"
26 #include "gis-opengl.h"
29 /* Needed prototpes */
30 gboolean on_gui_key_press(GtkWidget *widget, GdkEventKey *event, AWeatherGui *self);
31 static void site_setup(AWeatherGui *self);
32 static void time_setup(AWeatherGui *self);
37 G_DEFINE_TYPE(AWeatherGui, aweather_gui, GTK_TYPE_WINDOW);
38 static void aweather_gui_init(AWeatherGui *self)
40 g_debug("AWeatherGui: init");
43 self->builder = gtk_builder_new();
45 if (!gtk_builder_add_from_file(self->builder, DATADIR "/aweather/main.ui", &error))
46 g_error("Failed to create gtk builder: %s", error->message);
47 gtk_widget_reparent(aweather_gui_get_widget(self, "body"), GTK_WIDGET(self));
50 GtkWidget *drawing = aweather_gui_get_widget(self, "drawing");
51 self->world = gis_world_new();
52 self->view = gis_view_new();
53 self->opengl = gis_opengl_new(self->world, self->view, GTK_DRAWING_AREA(drawing));
57 // TODO: set/load these with prefereces
58 aweather_gui_load_plugin(self, "example");
59 //aweather_gui_load_plugin(self, "radar");
60 //aweather_gui_load_plugin(self, "ridge");
61 self->gtk_plugins = GTK_LIST_STORE(aweather_gui_get_object(self, "plugins"));
62 GDir *dir = g_dir_open(PLUGINDIR, 0, NULL);
65 while ((name = g_dir_read_name(dir))) {
66 if (g_pattern_match_simple("*.so", name)) {
67 gtk_list_store_append(self->gtk_plugins, &iter);
68 gtk_list_store_set(self->gtk_plugins, &iter, 0, name, 1, FALSE, -1);
77 gtk_builder_connect_signals(self->builder, self);
78 g_signal_connect(self, "key-press-event",
79 G_CALLBACK(on_gui_key_press), self);
80 g_signal_connect_swapped(self->world, "offline",
81 G_CALLBACK(gtk_toggle_action_set_active),
82 aweather_gui_get_object(self, "offline"));
85 gchar *filename = g_build_filename(g_get_user_config_dir(),
86 "aweather", "config.ini", NULL);
87 self->prefs = g_key_file_new();
88 g_key_file_load_from_file(self->prefs, filename, G_KEY_FILE_KEEP_COMMENTS, &error);
90 static GObject *aweather_gui_constructor(GType gtype, guint n_properties,
91 GObjectConstructParam *properties)
93 g_debug("aweather_gui: constructor");
94 GObjectClass *parent_class = G_OBJECT_CLASS(aweather_gui_parent_class);
95 return parent_class->constructor(gtype, n_properties, properties);
97 static void aweather_gui_dispose(GObject *_self)
99 g_debug("AWeatherGui: dispose");
100 AWeatherGui *self = AWEATHER_GUI(_self);
102 /* Reparent to avoid double unrefs */
103 GtkWidget *body = aweather_gui_get_widget(self, "body");
104 GtkWidget *window = aweather_gui_get_widget(self, "main_window");
105 gtk_widget_reparent(body, window);
106 g_object_unref(self->builder);
107 self->builder = NULL;
110 g_object_unref(self->world);
114 g_object_unref(self->view);
118 g_object_unref(self->opengl);
122 g_list_foreach(self->plugins, (GFunc)g_object_unref, NULL);
123 g_list_free(self->plugins);
124 self->plugins = NULL;
127 gchar *filename = g_build_filename(g_get_user_config_dir(),
128 "aweather", "config.ini", NULL);
130 g_mkdir_with_parents(g_path_get_dirname(filename), 0755);
131 gchar *data = g_key_file_to_data(self->prefs, &length, NULL);
132 g_file_set_contents(filename, data, length, NULL);
133 g_key_file_free(self->prefs);
136 G_OBJECT_CLASS(aweather_gui_parent_class)->dispose(_self);
138 static void aweather_gui_finalize(GObject *_self)
140 g_debug("AWeatherGui: finalize");
141 G_OBJECT_CLASS(aweather_gui_parent_class)->finalize(_self);
145 static void aweather_gui_class_init(AWeatherGuiClass *klass)
147 g_debug("AWeatherGui: class_init");
148 GObjectClass *gobject_class = G_OBJECT_CLASS(klass);
149 gobject_class->constructor = aweather_gui_constructor;
150 gobject_class->dispose = aweather_gui_dispose;
151 gobject_class->finalize = aweather_gui_finalize;
157 gboolean on_gui_key_press(GtkWidget *widget, GdkEventKey *event, AWeatherGui *self)
159 g_debug("AWeatherGui: on_gui_key_press - key=%x, state=%x",
160 event->keyval, event->state);
161 if (event->keyval == GDK_q)
162 gtk_widget_destroy(GTK_WIDGET(self));
163 else if (event->keyval == GDK_r && event->state & GDK_CONTROL_MASK)
164 gis_world_refresh(self->world);
165 else if (event->keyval == GDK_Tab || event->keyval == GDK_ISO_Left_Tab) {
166 GtkNotebook *tabs = GTK_NOTEBOOK(aweather_gui_get_widget(self, "tabs"));
167 gint num_tabs = gtk_notebook_get_n_pages(tabs);
168 gint cur_tab = gtk_notebook_get_current_page(tabs);
169 if (event->state & GDK_SHIFT_MASK)
170 gtk_notebook_set_current_page(tabs, (cur_tab-1)%num_tabs);
172 gtk_notebook_set_current_page(tabs, (cur_tab+1)%num_tabs);
177 void on_quit(GtkMenuItem *menu, AWeatherGui *self)
179 gtk_widget_destroy(GTK_WIDGET(self));
182 void on_zoomin(GtkAction *action, AWeatherGui *self)
184 gis_view_zoom(self->view, 3./4);
187 void on_zoomout(GtkAction *action, AWeatherGui *self)
189 gis_view_zoom(self->view, 4./3);
192 void on_refresh(GtkAction *action, AWeatherGui *self)
194 gis_world_refresh(self->world);
197 void load_window(gchar *name, AWeatherGui *self)
199 // TODO: use gtk_widget_hide_on_delete()
200 char *objects[2] = {name, NULL};
201 gtk_builder_add_objects_from_file(self->builder,
202 DATADIR "/aweather/main.ui", objects, NULL);
203 gtk_builder_connect_signals(self->builder, self);
204 GtkWidget *main_win = aweather_gui_get_widget(self, "main_window");
205 GtkWidget *this_win = aweather_gui_get_widget(self, name);
206 gtk_window_set_transient_for(GTK_WINDOW(this_win), GTK_WINDOW(main_win));
207 gtk_widget_show_all(this_win);
210 void on_about(GtkAction *action, AWeatherGui *self)
212 load_window("about_window", self);
215 void on_plugin_toggled(GtkCellRendererToggle *cell, gchar *path_str, AWeatherGui *self)
217 GtkWidget *tview = aweather_gui_get_widget(self, "plugins_view");
218 GtkTreeModel *model = gtk_tree_view_get_model(GTK_TREE_VIEW(tview));
219 g_message("model=%p", model);
223 gtk_tree_model_get_iter_from_string(model, &iter, path_str);
224 gtk_tree_model_get(model, &iter, 0, &so, 1, &state, -1);
226 gtk_list_store_set(GTK_LIST_STORE(model), &iter, 1, state, -1);
227 g_strdelimit(so, ".", '\0');
229 aweather_gui_load_plugin(self, so);
231 aweather_gui_unload_plugin(self, so);
233 gtk_widget_show_all(aweather_gui_get_widget(self, "tabs"));
235 void on_prefs(GtkAction *action, AWeatherGui *self)
238 gchar *is = g_key_file_get_string(self->prefs, "general", "initial_site", NULL);
239 gchar *nu = g_key_file_get_string(self->prefs, "general", "nexrad_url", NULL);
240 gint ll = g_key_file_get_integer(self->prefs, "general", "log_level", NULL);
241 load_window("prefs_window", self);
243 GtkWidget *isw = aweather_gui_get_widget(self, "initial_site");
244 GtkWidget *nuw = aweather_gui_get_widget(self, "nexrad_url");
245 GtkWidget *llw = aweather_gui_get_widget(self, "log_level");
246 if (is) gtk_entry_set_text(GTK_ENTRY(isw), is), g_free(is);
247 if (nu) gtk_entry_set_text(GTK_ENTRY(nuw), nu), g_free(nu);
248 if (ll) gtk_spin_button_set_value(GTK_SPIN_BUTTON(llw), ll);
251 GtkTreeView *tview = GTK_TREE_VIEW(aweather_gui_get_widget(self, "plugins_view"));
252 GtkCellRenderer *rend1 = gtk_cell_renderer_text_new();
253 GtkCellRenderer *rend2 = gtk_cell_renderer_toggle_new();
254 GtkTreeViewColumn *col1 = gtk_tree_view_column_new_with_attributes(
255 "Plugin", rend1, "text", 0, NULL);
256 GtkTreeViewColumn *col2 = gtk_tree_view_column_new_with_attributes(
257 "Enabled", rend2, "active", 1, NULL);
258 gtk_tree_view_append_column(tview, col1);
259 gtk_tree_view_append_column(tview, col2);
260 g_signal_connect(rend2, "toggled", G_CALLBACK(on_plugin_toggled), self);
261 gtk_tree_view_set_model(GTK_TREE_VIEW(tview), GTK_TREE_MODEL(self->gtk_plugins));
264 void on_time_changed(GtkTreeView *view, GtkTreePath *path,
265 GtkTreeViewColumn *column, AWeatherGui *self)
269 GtkTreeModel *model = gtk_tree_view_get_model(view);
270 gtk_tree_model_get_iter(model, &iter, path);
271 gtk_tree_model_get(model, &iter, 0, &time, -1);
272 gis_view_set_time(self->view, time);
276 void on_site_changed(GtkComboBox *combo, AWeatherGui *self)
280 GtkTreeModel *model = gtk_combo_box_get_model(combo);
281 gtk_combo_box_get_active_iter(combo, &iter);
282 gtk_tree_model_get(model, &iter, 1, &site, -1);
283 gis_view_set_site(self->view, site);
287 /* TODO: replace the code in these with `gtk_tree_model_find' utility */
288 static void update_time_widget(GisView *view, const char *time, AWeatherGui *self)
290 g_debug("AWeatherGui: update_time_widget - time=%s", time);
291 GtkTreeView *tview = GTK_TREE_VIEW(aweather_gui_get_widget(self, "time"));
292 GtkTreeModel *model = GTK_TREE_MODEL(gtk_tree_view_get_model(tview));
293 for (int i = 0; i < gtk_tree_model_iter_n_children(model, NULL); i++) {
296 gtk_tree_model_iter_nth_child(model, &iter, NULL, i);
297 gtk_tree_model_get(model, &iter, 0, &text, -1);
298 if (g_str_equal(text, time)) {
299 GtkTreePath *path = gtk_tree_model_get_path(model, &iter);
300 g_signal_handlers_block_by_func(tview,
301 G_CALLBACK(on_site_changed), self);
302 gtk_tree_view_set_cursor(tview, path, NULL, FALSE);
303 g_signal_handlers_unblock_by_func(tview,
304 G_CALLBACK(on_site_changed), self);
305 gtk_tree_path_free(path);
312 static void update_site_widget(GisView *view, char *site, AWeatherGui *self)
314 g_debug("AWeatherGui: update_site_widget - site=%s", site);
315 GtkComboBox *combo = GTK_COMBO_BOX(aweather_gui_get_widget(self, "site"));
316 GtkTreeModel *model = GTK_TREE_MODEL(gtk_combo_box_get_model(combo));
317 for (int i = 0; i < gtk_tree_model_iter_n_children(model, NULL); i++) {
319 gtk_tree_model_iter_nth_child(model, &iter1, NULL, i);
320 for (int i = 0; i < gtk_tree_model_iter_n_children(model, &iter1); i++) {
322 gtk_tree_model_iter_nth_child(model, &iter2, &iter1, i);
324 gtk_tree_model_get(model, &iter2, 1, &text, -1);
327 if (g_str_equal(text, site)) {
328 g_signal_handlers_block_by_func(combo,
329 G_CALLBACK(on_site_changed), self);
330 gtk_combo_box_set_active_iter(combo, &iter2);
331 g_signal_handlers_unblock_by_func(combo,
332 G_CALLBACK(on_site_changed), self);
340 /* Prefs callbacks */
341 void on_offline(GtkToggleAction *action, AWeatherGui *self)
343 gboolean value = gtk_toggle_action_get_active(action);
344 g_debug("AWeatherGui: on_offline - offline=%d", value);
345 g_key_file_set_boolean(self->prefs, "general", "offline", value);
346 gis_world_set_offline(self->world, value);
348 void on_initial_site_changed(GtkEntry *entry, AWeatherGui *self)
350 const gchar *text = gtk_entry_get_text(entry);
351 g_debug("AWeatherGui: on_initial_site_changed - site=%s", text);
352 g_key_file_set_string(self->prefs, "general", "initial_site", text);
354 void on_nexrad_url_changed(GtkEntry *entry, AWeatherGui *self)
356 const gchar *text = gtk_entry_get_text(entry);
357 g_debug("AWeatherGui: on_nexrad_url_changed - url=%s", text);
358 g_key_file_set_string(self->prefs, "general", "nexrad_url", text);
360 int on_log_level_changed(GtkSpinButton *spinner, AWeatherGui *self)
362 gint value = gtk_spin_button_get_value_as_int(spinner);
363 g_debug("AWeatherGui: on_log_level_changed - %p, level=%d", self, value);
364 g_key_file_set_integer(self->prefs, "general", "log_level", value);
373 static void combo_sensitive(GtkCellLayout *cell_layout, GtkCellRenderer *cell,
374 GtkTreeModel *tree_model, GtkTreeIter *iter, gpointer data)
376 gboolean sensitive = !gtk_tree_model_iter_has_child(tree_model, iter);
377 g_object_set(cell, "sensitive", sensitive, NULL);
380 static void site_setup(AWeatherGui *self)
382 GtkTreeIter state, city;
383 GtkTreeStore *store = GTK_TREE_STORE(aweather_gui_get_object(self, "sites"));
384 for (int i = 0; cities[i].label; i++) {
385 if (cities[i].type == LOCATION_STATE) {
386 gtk_tree_store_append(store, &state, NULL);
387 gtk_tree_store_set (store, &state, 0, cities[i].label,
388 1, cities[i].code, -1);
390 gtk_tree_store_append(store, &city, &state);
391 gtk_tree_store_set (store, &city, 0, cities[i].label,
392 1, cities[i].code, -1);
396 GtkWidget *combo = aweather_gui_get_widget(self, "site");
397 GObject *renderer = aweather_gui_get_object(self, "site_rend");
398 gtk_cell_layout_set_cell_data_func(GTK_CELL_LAYOUT(combo),
399 GTK_CELL_RENDERER(renderer), combo_sensitive, NULL, NULL);
401 g_signal_connect(self->view, "site-changed",
402 G_CALLBACK(update_site_widget), self);
405 static void time_setup(AWeatherGui *self)
407 GtkTreeView *tview = GTK_TREE_VIEW(aweather_gui_get_widget(self, "time"));
408 GtkCellRenderer *rend = gtk_cell_renderer_text_new();
409 GtkTreeViewColumn *col = gtk_tree_view_column_new_with_attributes(
410 "Time", rend, "text", 0, NULL);
412 gtk_tree_view_append_column(tview, col);
413 g_object_set(rend, "size-points", 8.0, NULL);
415 g_signal_connect(self->view, "time-changed",
416 G_CALLBACK(update_time_widget), self);
423 AWeatherGui *aweather_gui_new()
425 g_debug("AWeatherGui: new");
426 return g_object_new(AWEATHER_TYPE_GUI, NULL);
428 GisWorld *aweather_gui_get_world(AWeatherGui *self)
430 g_assert(AWEATHER_IS_GUI(self));
433 GisView *aweather_gui_get_view(AWeatherGui *self)
435 g_assert(AWEATHER_IS_GUI(self));
438 GisOpenGL *aweather_gui_get_opengl(AWeatherGui *self)
440 g_assert(AWEATHER_IS_GUI(self));
443 GtkBuilder *aweather_gui_get_builder(AWeatherGui *self)
445 g_debug("AWeatherGui: get_builder");
446 g_assert(AWEATHER_IS_GUI(self));
447 return self->builder;
449 GtkWidget *aweather_gui_get_widget(AWeatherGui *self, const gchar *name)
451 g_debug("AWeatherGui: get_widget - name=%s", name);
452 g_assert(AWEATHER_IS_GUI(self));
453 GObject *widget = gtk_builder_get_object(self->builder, name);
454 if (!GTK_IS_WIDGET(widget))
455 g_error("Failed to get widget `%s'", name);
456 return GTK_WIDGET(widget);
458 GObject *aweather_gui_get_object(AWeatherGui *self, const gchar *name)
460 g_debug("AWeatherGui: get_widget - name=%s", name);
461 g_assert(AWEATHER_IS_GUI(self));
462 return gtk_builder_get_object(self->builder, name);
464 gboolean aweather_gui_load_plugin(AWeatherGui *self, const char *name)
466 gchar *path = g_strdup_printf("%s/%s.%s", PLUGINDIR, name, G_MODULE_SUFFIX);
467 GModule *module = g_module_open(path, 0);
469 if (module == NULL) {
470 g_warning("Unable to load module %s: %s", name, g_module_error());
474 AWeatherPlugin *(*constructor)();
475 gchar *constructor_str = g_strconcat("aweather_", name, "_new", NULL);
476 if (!g_module_symbol(module, constructor_str, (gpointer*)&constructor)) {
477 g_warning("Unable to load symbol %s from %s: %s",
478 constructor_str, name, g_module_error());
479 g_module_close(module);
480 g_free(constructor_str);
483 g_free(constructor_str);
485 self->plugins = g_list_append(self->plugins, constructor(self));
486 self->opengl->plugins = self->plugins;
489 gboolean aweather_gui_unload_plugin(AWeatherGui *self, const char *name)