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

   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 G_MODULE_EXPORT 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 G_MODULE_EXPORT void on_quit(GtkMenuItem *menu, AWeatherGui *self)
  53 {
  54         gtk_widget_destroy(GTK_WIDGET(self));
  55 }
  56
  57 G_MODULE_EXPORT void on_zoomin(GtkAction *action, AWeatherGui *self)
  58 {
  59         gis_viewer_zoom(self->viewer, 3./4);
  60 }
  61
  62 G_MODULE_EXPORT void on_zoomout(GtkAction *action, AWeatherGui *self)
  63 {
  64         gis_viewer_zoom(self->viewer, 4./3);
  65 }
  66
  67 G_MODULE_EXPORT void on_refresh(GtkAction *action, AWeatherGui *self)
  68 {
  69         gis_viewer_refresh(self->viewer);
  70 }
  71
  72 G_MODULE_EXPORT 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 G_MODULE_EXPORT void on_time_changed(AWeatherGui *self)
  91 {
  92         g_debug("AWeatherGui: on_time_changed");
  93         struct tm tm = {};
  94
  95         GtkWidget *cal = aweather_gui_get_widget(self, "main_date_cal");
  96         gtk_calendar_get_date(GTK_CALENDAR(cal), (guint*)&tm.tm_year,
  97                         (guint*)&tm.tm_mon, (guint*)&tm.tm_mday);
  98         tm.tm_year -= 1900;
  99
 100         GtkTreeIter   iter;
 101         GtkTreePath  *path  = NULL;
 102         GtkWidget    *view  = aweather_gui_get_widget(self, "main_time");
 103         GtkTreeModel *model = gtk_tree_view_get_model(GTK_TREE_VIEW(view));
 104         gtk_tree_view_get_cursor(GTK_TREE_VIEW(view), &path, NULL);
 105         gtk_tree_model_get_iter(model, &iter, path);
 106         gtk_tree_model_get(model, &iter, 1, &tm.tm_hour, 2, &tm.tm_min, -1);
 107
 108         gis_viewer_set_time(self->viewer, mktime(&tm));
 109 }
 110
 111 static gboolean gtk_tree_model_find_string(GtkTreeModel *model,
 112                 GtkTreeIter *rval, GtkTreeIter *parent, gint field, const gchar *key)
 113 {
 114         g_debug("AWeatherGui: gtk_tree_model_find - field=%d key=%s", field, key);
 115         char *text;
 116         GtkTreeIter cur;
 117         gint num_children = gtk_tree_model_iter_n_children(model, parent);
 118         for (int i = 0; i < num_children; i++) {
 119                 gtk_tree_model_iter_nth_child(model, &cur, parent, i);
 120                 gtk_tree_model_get(model, &cur, field, &text, -1);
 121                 if (text != NULL && g_str_equal(text, key)) {
 122                         *rval = cur;
 123                         g_free(text);
 124                         return TRUE;
 125                 }
 126                 g_free(text);
 127                 if (gtk_tree_model_iter_has_child(model, &cur))
 128                         if (gtk_tree_model_find_string(model, rval, &cur, field, key))
 129                                 return TRUE;
 130         }
 131         return FALSE;
 132 }
 133
 134 static void update_time_widget(GisViewer *viewer, time_t time, AWeatherGui *self)
 135 {
 136         g_debug("AWeatherGui: update_time_widget - time=%u", (guint)time);
 137         // FIXME
 138         //GtkTreeView  *tview = GTK_TREE_VIEW(aweather_gui_get_widget(self, "main_time"));
 139         //GtkTreeModel *model = GTK_TREE_MODEL(gtk_tree_view_get_model(tview));
 140         //GtkTreeIter iter;
 141         //if (gtk_tree_model_find_string(model, &iter, NULL, 0, time)) {
 142         //      GtkTreePath *path = gtk_tree_model_get_path(model, &iter);
 143         //      gtk_tree_view_set_cursor(tview, path, NULL, FALSE);
 144         //      gtk_tree_path_free(path);
 145         //}
 146 }
 147
 148 /* Prefs callbacks */
 149 G_MODULE_EXPORT void on_offline(GtkToggleAction *action, AWeatherGui *self)
 150 {
 151         gboolean value = gtk_toggle_action_get_active(action);
 152         g_debug("AWeatherGui: on_offline - offline=%d", value);
 153         gis_viewer_set_offline(self->viewer, value);
 154 }
 155
 156 G_MODULE_EXPORT void on_initial_site_changed(GtkComboBox *combo, AWeatherGui *self)
 157 {
 158         gchar *code;
 159         GtkTreeIter iter;
 160         GtkTreeModel *model = gtk_combo_box_get_model(combo);
 161         gtk_combo_box_get_active_iter(combo, &iter);
 162         gtk_tree_model_get(model, &iter, 0, &code, -1);
 163         g_debug("AWeatherGui: on_initial_site_changed - code=%s", code);
 164         gis_prefs_set_string(self->prefs, "aweather/initial_site", code);
 165         g_free(code);
 166 }
 167
 168 G_MODULE_EXPORT void on_nexrad_url_changed(GtkEntry *entry, AWeatherGui *self)
 169 {
 170         const gchar *text = gtk_entry_get_text(entry);
 171         g_debug("AWeatherGui: on_nexrad_url_changed - url=%s", text);
 172         gis_prefs_set_string(self->prefs, "aweather/nexrad_url", text);
 173 }
 174
 175 G_MODULE_EXPORT int on_log_level_changed(GtkSpinButton *spinner, AWeatherGui *self)
 176 {
 177         gint value = gtk_spin_button_get_value_as_int(spinner);
 178         g_debug("AWeatherGui: on_log_level_changed - %p, level=%d", self, value);
 179         gis_prefs_set_integer(self->prefs, "aweather/log_level", value);
 180         return TRUE;
 181 }
 182
 183
 184 /*****************
 185  * Setup helpers *
 186  *****************/
 187 static void combo_sensitive(GtkCellLayout *cell_layout, GtkCellRenderer *cell,
 188                 GtkTreeModel *tree_model, GtkTreeIter *iter, gpointer data)
 189 {
 190         gboolean sensitive = !gtk_tree_model_iter_has_child(tree_model, iter);
 191         g_object_set(cell, "sensitive", sensitive, NULL);
 192 }
 193 static void site_setup(AWeatherGui *self)
 194 {
 195         GtkTreeIter state, city;
 196         GtkTreeStore *store = GTK_TREE_STORE(aweather_gui_get_object(self, "sites"));
 197         for (int i = 0; cities[i].type; i++) {
 198                 if (cities[i].type == LOCATION_STATE) {
 199                         gtk_tree_store_append(store, &state, NULL);
 200                         gtk_tree_store_set   (store, &state, 0, cities[i].code,
 201                                                              1, cities[i].name, -1);
 202                 } else {
 203                         gtk_tree_store_append(store, &city, &state);
 204                         gtk_tree_store_set   (store, &city, 0, cities[i].code,
 205                                                             1, cities[i].name, -1);
 206                 }
 207         }
 208
 209         GtkWidget *combo    = aweather_gui_get_widget(self, "prefs_general_site");
 210         GObject   *renderer = aweather_gui_get_object(self, "prefs_general_site_rend");
 211         gtk_cell_layout_set_cell_data_func(GTK_CELL_LAYOUT(combo),
 212                         GTK_CELL_RENDERER(renderer), combo_sensitive, NULL, NULL);
 213 }
 214
 215 static void prefs_setup(AWeatherGui *self)
 216 {
 217         /* Set values */
 218         gchar *nu = gis_prefs_get_string (self->prefs, "aweather/nexrad_url",   NULL);
 219         gint   ll = gis_prefs_get_integer(self->prefs, "aweather/log_level",    NULL);
 220         gchar *is = gis_prefs_get_string (self->prefs, "aweather/initial_site", NULL);
 221         GtkWidget *nuw = aweather_gui_get_widget(self, "prefs_general_url");
 222         GtkWidget *llw = aweather_gui_get_widget(self, "prefs_general_log");
 223         GtkWidget *isw = aweather_gui_get_widget(self, "prefs_general_site");
 224         if (nu) gtk_entry_set_text(GTK_ENTRY(nuw), nu), g_free(nu);
 225         if (ll) gtk_spin_button_set_value(GTK_SPIN_BUTTON(llw), ll);
 226         if (is) {
 227                 GtkTreeModel *model = gtk_combo_box_get_model(GTK_COMBO_BOX(isw));
 228                 GtkTreeIter iter;
 229                 if (gtk_tree_model_find_string(model, &iter, NULL, 0, is))
 230                         gtk_combo_box_set_active_iter(GTK_COMBO_BOX(isw), &iter);
 231         }
 232
 233         /* Load Plugins */
 234         GtkTreeView       *tview = GTK_TREE_VIEW(aweather_gui_get_widget(self, "prefs_plugins_view"));
 235         GtkCellRenderer   *rend1 = gtk_cell_renderer_text_new();
 236         GtkCellRenderer   *rend2 = gtk_cell_renderer_toggle_new();
 237         GtkTreeViewColumn *col1  = gtk_tree_view_column_new_with_attributes(
 238                         "Plugin",  rend1, "text",   0, NULL);
 239         GtkTreeViewColumn *col2  = gtk_tree_view_column_new_with_attributes(
 240                         "Enabled", rend2, "active", 1, NULL);
 241         g_object_set(rend2, "xalign", 0, NULL);
 242         gtk_tree_view_append_column(tview, col1);
 243         gtk_tree_view_append_column(tview, col2);
 244         g_signal_connect(rend2, "toggled", G_CALLBACK(on_plugin_toggled), self);
 245         gtk_tree_view_set_model(GTK_TREE_VIEW(tview), GTK_TREE_MODEL(self->gtk_plugins));
 246 }
 247
 248 static void time_setup(AWeatherGui *self)
 249 {
 250         /* Setup UI */
 251         GtkCalendar       *cal  = GTK_CALENDAR(aweather_gui_get_widget(self, "main_date_cal"));
 252         GtkTreeView       *view = GTK_TREE_VIEW(aweather_gui_get_widget(self, "main_time"));
 253         GtkCellRenderer   *rend = gtk_cell_renderer_text_new();
 254         GtkTreeViewColumn *col  = gtk_tree_view_column_new_with_attributes(
 255                                         "Time", rend, "text", 0, NULL);
 256         gtk_tree_view_append_column(view, col);
 257         g_object_set(rend, "size-points", 8.0, NULL);
 258
 259         /* Add times */
 260         GtkListStore *store = GTK_LIST_STORE(aweather_gui_get_object(self, "times"));
 261         for (int hour = 0; hour < 24; hour++) {
 262                 for (int min = 0; min < 60; min += 10) {
 263                         GtkTreeIter iter;
 264                         gchar *str = g_strdup_printf("%02d:%02d", hour, min);
 265                         gtk_list_store_append(store, &iter);
 266                         gtk_list_store_set(store, &iter, 0, str, 1, hour, 2, min, -1);
 267                         g_free(str);
 268                 }
 269         }
 270
 271         /* Connect signals */
 272         g_signal_connect_swapped(cal,  "day-selected-double-click",
 273                         G_CALLBACK(on_time_changed), self);
 274         g_signal_connect_swapped(view, "row-activated",
 275                         G_CALLBACK(on_time_changed), self);
 276         g_signal_connect(self->viewer, "time-changed",
 277                         G_CALLBACK(update_time_widget), self);
 278 }
 279
 280
 281 /***********
 282  * Methods *
 283  ***********/
 284 AWeatherGui *aweather_gui_new()
 285 {
 286         g_debug("AWeatherGui: new");
 287         return g_object_new(AWEATHER_TYPE_GUI, NULL);
 288 }
 289 GisViewer *aweather_gui_get_viewer(AWeatherGui *self)
 290 {
 291         g_assert(AWEATHER_IS_GUI(self));
 292         return self->viewer;
 293 }
 294 GtkBuilder *aweather_gui_get_builder(AWeatherGui *self)
 295 {
 296         g_debug("AWeatherGui: get_builder");
 297         g_assert(AWEATHER_IS_GUI(self));
 298         return self->builder;
 299 }
 300 GtkWidget *aweather_gui_get_widget(AWeatherGui *self, const gchar *name)
 301 {
 302         g_debug("AWeatherGui: get_widget - name=%s", name);
 303         g_assert(AWEATHER_IS_GUI(self));
 304         GObject *widget = gtk_builder_get_object(self->builder, name);
 305         if (!GTK_IS_WIDGET(widget))
 306                 g_error("Failed to get widget `%s'", name);
 307         return GTK_WIDGET(widget);
 308 }
 309 GObject *aweather_gui_get_object(AWeatherGui *self, const gchar *name)
 310 {
 311         g_debug("AWeatherGui: get_widget - name=%s", name);
 312         g_assert(AWEATHER_IS_GUI(self));
 313         return gtk_builder_get_object(self->builder, name);
 314 }
 315 void aweather_gui_attach_plugin(AWeatherGui *self, const gchar *name)
 316 {
 317         GisPlugin *plugin = gis_plugins_enable(self->plugins, name,
 318                         self->viewer, self->prefs);
 319         GtkWidget *body = gis_plugin_get_config(plugin);
 320         if (body) {
 321                 GtkWidget *config = aweather_gui_get_widget(self, "main_tabs");
 322                 GtkWidget *tab    = gtk_label_new(name);
 323                 gtk_notebook_append_page(GTK_NOTEBOOK(config), body, tab);
 324                 gtk_widget_show_all(config);
 325         }
 326         gtk_widget_queue_draw(GTK_WIDGET(self->viewer));
 327 }
 328 void aweather_gui_deattach_plugin(AWeatherGui *self, const gchar *name)
 329 {
 330         GtkWidget *config = aweather_gui_get_widget(self, "main_tabs");
 331         guint n_pages = gtk_notebook_get_n_pages(GTK_NOTEBOOK(config));
 332         for (int i = 0; i < n_pages; i++) {
 333                 g_debug("testing tab %d", i);
 334                 GtkWidget *body = gtk_notebook_get_nth_page(GTK_NOTEBOOK(config), i);
 335                 if (!body) continue;
 336                 GtkWidget *tab = gtk_notebook_get_tab_label(GTK_NOTEBOOK(config), body);
 337                 if (!tab) continue;
 338                 const gchar *tab_name = gtk_label_get_text(GTK_LABEL(tab));
 339                 if (tab_name && g_str_equal(name, tab_name))
 340                         gtk_notebook_remove_page(GTK_NOTEBOOK(config), i);
 341         }
 342         gis_plugins_disable(self->plugins, name);
 343         gtk_widget_queue_draw(GTK_WIDGET(self->viewer));
 344 }
 345
 346
 347 /****************
 348  * GObject code *
 349  ****************/
 350 G_DEFINE_TYPE(AWeatherGui, aweather_gui, GTK_TYPE_WINDOW);
 351 static void aweather_gui_init(AWeatherGui *self)
 352 {
 353         g_debug("AWeatherGui: init");
 354
 355         /* Simple things */
 356         gchar *config   = g_build_filename(g_get_user_config_dir(), PACKAGE, "config.ini", NULL);
 357         gchar *defaults = g_build_filename(PKGDATADIR, "defaults.ini", NULL);
 358         self->prefs   = gis_prefs_new(config, defaults);
 359         self->plugins = gis_plugins_new(PLUGINSDIR, self->prefs);
 360         self->viewer  = gis_opengl_new(self->plugins, self->prefs);
 361         g_free(config);
 362         g_free(defaults);
 363
 364         /* Setup window */
 365         self->builder = gtk_builder_new();
 366         GError *error = NULL;
 367         if (!gtk_builder_add_from_file(self->builder, PKGDATADIR "/main.ui", &error))
 368                 g_error("Failed to create gtk builder: %s", error->message);
 369         gtk_widget_reparent(aweather_gui_get_widget(self, "main_body"), GTK_WIDGET(self));
 370         GtkWidget *paned = aweather_gui_get_widget(self, "main_paned");
 371         gtk_widget_destroy(gtk_paned_get_child1(GTK_PANED(paned)));
 372         gtk_paned_pack1(GTK_PANED(paned), GTK_WIDGET(self->viewer), TRUE, FALSE);
 373         gtk_widget_set_size_request(GTK_WIDGET(self->viewer), 600, 400);
 374         gtk_widget_show_all(GTK_WIDGET(self));
 375
 376         /* Plugins */
 377         GtkTreeIter iter;
 378         self->gtk_plugins = GTK_LIST_STORE(aweather_gui_get_object(self, "plugins"));
 379         for (GList *cur = gis_plugins_available(self->plugins); cur; cur = cur->next) {
 380                 gchar *name = cur->data;
 381                 GError *error = NULL;
 382                 gboolean enabled = gis_prefs_get_boolean_v(self->prefs, "plugins", cur->data, &error);
 383                 if (error && error->code == G_KEY_FILE_ERROR_GROUP_NOT_FOUND)
 384                         enabled = TRUE;
 385                 gtk_list_store_append(self->gtk_plugins, &iter);
 386                 gtk_list_store_set(self->gtk_plugins, &iter, 0, name, 1, enabled, -1);
 387                 if (enabled)
 388                         aweather_gui_attach_plugin(self, name);
 389         }
 390
 391         /* Misc, helpers */
 392         site_setup(self);
 393         time_setup(self);
 394         prefs_setup(self);
 395
 396         /* Connect signals */
 397         gtk_builder_connect_signals(self->builder, self);
 398         g_signal_connect(self, "key-press-event",
 399                         G_CALLBACK(on_gui_key_press), self);
 400         g_signal_connect_swapped(self->viewer, "offline",
 401                         G_CALLBACK(gtk_toggle_action_set_active),
 402                         aweather_gui_get_object(self, "offline"));
 403 }
 404 static GObject *aweather_gui_constructor(GType gtype, guint n_properties,
 405                 GObjectConstructParam *properties)
 406 {
 407         g_debug("aweather_gui: constructor");
 408         GObjectClass *parent_class = G_OBJECT_CLASS(aweather_gui_parent_class);
 409         return parent_class->constructor(gtype, n_properties, properties);
 410 }
 411 static void aweather_gui_dispose(GObject *_self)
 412 {
 413         g_debug("AWeatherGui: dispose");
 414         AWeatherGui *self = AWEATHER_GUI(_self);
 415         if (self->plugins) {
 416                 gis_plugins_free(self->plugins);
 417                 self->plugins = NULL;
 418         }
 419         if (self->builder) {
 420                 g_object_unref(self->builder);
 421                 self->builder = NULL;
 422         }
 423         if (self->prefs) {
 424                 g_object_unref(self->prefs);
 425                 self->prefs = NULL;
 426         }
 427         G_OBJECT_CLASS(aweather_gui_parent_class)->dispose(_self);
 428 }
 429 static void aweather_gui_finalize(GObject *_self)
 430 {
 431         g_debug("AWeatherGui: finalize");
 432         G_OBJECT_CLASS(aweather_gui_parent_class)->finalize(_self);
 433         gtk_main_quit();
 434
 435 }
 436 static void aweather_gui_class_init(AWeatherGuiClass *klass)
 437 {
 438         g_debug("AWeatherGui: class_init");
 439         GObjectClass *gobject_class = G_OBJECT_CLASS(klass);
 440         gobject_class->constructor  = aweather_gui_constructor;
 441         gobject_class->dispose      = aweather_gui_dispose;
 442         gobject_class->finalize     = aweather_gui_finalize;
 443 }