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 <glib/gstdio.h>
  22 #include <math.h>
  23
  24 #include <grits.h>
  25
  26 #include "aweather-gui.h"
  27 #include "aweather-location.h"
  28
  29
  30 /*************
  31  * Callbacks *
  32  *************/
  33 G_MODULE_EXPORT gboolean on_gui_key_press(GtkWidget *widget, GdkEventKey *event, AWeatherGui *self)
  34 {
  35         g_debug("AWeatherGui: on_gui_key_press - key=%x, state=%x",
  36                         event->keyval, event->state);
  37         if (event->keyval == GDK_q)
  38                 gtk_widget_destroy(GTK_WIDGET(self));
  39         else if (event->keyval == GDK_r && event->state & GDK_CONTROL_MASK)
  40                 grits_viewer_refresh(self->viewer);
  41         else if (event->keyval == GDK_Tab || event->keyval == GDK_ISO_Left_Tab) {
  42                 GtkNotebook *tabs = GTK_NOTEBOOK(aweather_gui_get_widget(self, "main_tabs"));
  43                 gint num_tabs = gtk_notebook_get_n_pages(tabs);
  44                 gint cur_tab  = gtk_notebook_get_current_page(tabs);
  45                 if (event->state & GDK_SHIFT_MASK)
  46                         gtk_notebook_set_current_page(tabs, (cur_tab-1)%num_tabs);
  47                 else
  48                         gtk_notebook_set_current_page(tabs, (cur_tab+1)%num_tabs);
  49         };
  50         return FALSE;
  51 }
  52
  53 static void cleancache_r(gchar *path)
  54 {
  55         GDir *dir = g_dir_open(path, 0, NULL);
  56         if (!dir)
  57                 return;
  58         const gchar *child;
  59         while ((child = g_dir_read_name(dir))) {
  60                 gchar *child_path = g_build_filename(path, child, NULL);
  61                 if (g_file_test(child_path, G_FILE_TEST_IS_DIR)) {
  62                         cleancache_r(child_path);
  63                 } else {
  64                         struct stat st;
  65                         g_stat(child_path, &st);
  66                         if (st.st_atime < time(NULL)-60*60*24)
  67                                 g_remove(child_path);
  68                 }
  69                 g_free(child_path);
  70         }
  71         g_dir_close(dir);
  72         g_rmdir(path);
  73 }
  74 G_MODULE_EXPORT void on_cleancache(GtkMenuItem *menu, AWeatherGui *self)
  75 {
  76         g_debug("AWeatherGui: on_cleancache");
  77         /* Todo: move this to grits */
  78         gchar *cache = g_build_filename(g_get_user_cache_dir(), "grits", NULL);
  79         cleancache_r(cache);
  80 }
  81
  82 G_MODULE_EXPORT void on_contents(GtkMenuItem *menu, AWeatherGui *self)
  83 {
  84         GError *err = NULL;
  85         gchar *path = g_strdup(HTMLDIR "/aweather.html");
  86         g_strdelimit(path, "/", G_DIR_SEPARATOR);
  87         gchar *argv[] = {"xdg-open", path, NULL};
  88         g_spawn_async(NULL, argv, NULL, G_SPAWN_SEARCH_PATH, NULL, NULL, NULL, &err);
  89         if (err) {
  90                 g_warning("Unable to open help page: %s - %s",
  91                                 argv[1], err->message);
  92                 g_error_free(err);
  93         }
  94         g_free(path);
  95 }
  96
  97 G_MODULE_EXPORT void on_quit(GtkMenuItem *menu, AWeatherGui *self)
  98 {
  99         gtk_widget_destroy(GTK_WIDGET(self));
 100 }
 101
 102 G_MODULE_EXPORT void on_zoomin(GtkAction *action, AWeatherGui *self)
 103 {
 104         grits_viewer_zoom(self->viewer, 3./4);
 105 }
 106
 107 G_MODULE_EXPORT void on_zoomout(GtkAction *action, AWeatherGui *self)
 108 {
 109         grits_viewer_zoom(self->viewer, 4./3);
 110 }
 111
 112 G_MODULE_EXPORT void on_refresh(GtkAction *action, AWeatherGui *self)
 113 {
 114         grits_viewer_refresh(self->viewer);
 115 }
 116
 117 G_MODULE_EXPORT void on_plugin_toggled(GtkCellRendererToggle *cell, gchar *path_str, AWeatherGui *self)
 118 {
 119         GtkWidget    *tview = aweather_gui_get_widget(self, "prefs_plugins_view");
 120         GtkTreeModel *model = gtk_tree_view_get_model(GTK_TREE_VIEW(tview));
 121         gboolean state;
 122         gchar *name;
 123         GtkTreeIter iter;
 124         gtk_tree_model_get_iter_from_string(model, &iter, path_str);
 125         gtk_tree_model_get(model, &iter, 0, &name, 1, &state, -1);
 126         state = !state;
 127         gtk_list_store_set(GTK_LIST_STORE(model), &iter, 1, state, -1);
 128         if (state)
 129                 aweather_gui_attach_plugin(self, name);
 130         else
 131                 aweather_gui_deattach_plugin(self, name);
 132         g_free(name);
 133 }
 134
 135 G_MODULE_EXPORT void on_time_changed(AWeatherGui *self)
 136 {
 137         g_debug("AWeatherGui: on_time_changed");
 138         struct tm tm = {.tm_isdst = -1};
 139
 140         GtkWidget *cal = aweather_gui_get_widget(self, "main_date_cal");
 141         gtk_calendar_get_date(GTK_CALENDAR(cal), (guint*)&tm.tm_year,
 142                         (guint*)&tm.tm_mon, (guint*)&tm.tm_mday);
 143         tm.tm_year -= 1900;
 144
 145         GtkTreeIter   iter;
 146         GtkTreePath  *path  = NULL;
 147         GtkWidget    *view  = aweather_gui_get_widget(self, "main_time");
 148         GtkTreeModel *model = gtk_tree_view_get_model(GTK_TREE_VIEW(view));
 149         gtk_tree_view_get_cursor(GTK_TREE_VIEW(view), &path, NULL);
 150         gtk_tree_model_get_iter(model, &iter, path);
 151         gtk_tree_model_get(model, &iter, 1, &tm.tm_hour, 2, &tm.tm_min, -1);
 152
 153         grits_viewer_set_time(self->viewer, mktime(&tm));
 154 }
 155
 156 static gboolean gtk_tree_model_find_string(GtkTreeModel *model,
 157                 GtkTreeIter *rval, GtkTreeIter *parent, gint field, const gchar *key)
 158 {
 159         g_debug("AWeatherGui: gtk_tree_model_find - field=%d key=%s", field, key);
 160         char *text;
 161         GtkTreeIter cur;
 162         gint num_children = gtk_tree_model_iter_n_children(model, parent);
 163         for (int i = 0; i < num_children; i++) {
 164                 gtk_tree_model_iter_nth_child(model, &cur, parent, i);
 165                 gtk_tree_model_get(model, &cur, field, &text, -1);
 166                 if (text != NULL && g_str_equal(text, key)) {
 167                         *rval = cur;
 168                         g_free(text);
 169                         return TRUE;
 170                 }
 171                 g_free(text);
 172                 if (gtk_tree_model_iter_has_child(model, &cur))
 173                         if (gtk_tree_model_find_string(model, rval, &cur, field, key))
 174                                 return TRUE;
 175         }
 176         return FALSE;
 177 }
 178
 179 static void update_time_widget(GritsViewer *viewer, time_t time, AWeatherGui *self)
 180 {
 181         g_debug("AWeatherGui: update_time_widget - time=%u", (guint)time);
 182         // FIXME
 183         //GtkTreeView  *tview = GTK_TREE_VIEW(aweather_gui_get_widget(self, "main_time"));
 184         //GtkTreeModel *model = GTK_TREE_MODEL(gtk_tree_view_get_model(tview));
 185         //GtkTreeIter iter;
 186         //if (gtk_tree_model_find_string(model, &iter, NULL, 0, time)) {
 187         //      GtkTreePath *path = gtk_tree_model_get_path(model, &iter);
 188         //      gtk_tree_view_set_cursor(tview, path, NULL, FALSE);
 189         //      gtk_tree_path_free(path);
 190         //}
 191 }
 192
 193 /* Prefs callbacks */
 194 G_MODULE_EXPORT void on_offline(GtkToggleAction *action, AWeatherGui *self)
 195 {
 196         gboolean value = gtk_toggle_action_get_active(action);
 197         g_debug("AWeatherGui: on_offline - offline=%d", value);
 198         grits_viewer_set_offline(self->viewer, value);
 199 }
 200
 201 G_MODULE_EXPORT void on_initial_site_changed(GtkComboBox *combo, AWeatherGui *self)
 202 {
 203         gchar *code;
 204         GtkTreeIter iter;
 205         GtkTreeModel *model = gtk_combo_box_get_model(combo);
 206         gtk_combo_box_get_active_iter(combo, &iter);
 207         gtk_tree_model_get(model, &iter, 0, &code, -1);
 208         g_debug("AWeatherGui: on_initial_site_changed - code=%s", code);
 209         grits_prefs_set_string(self->prefs, "aweather/initial_site", code);
 210         g_free(code);
 211 }
 212
 213 G_MODULE_EXPORT void on_nexrad_url_changed(GtkEntry *entry, AWeatherGui *self)
 214 {
 215         const gchar *text = gtk_entry_get_text(entry);
 216         g_debug("AWeatherGui: on_nexrad_url_changed - url=%s", text);
 217         grits_prefs_set_string(self->prefs, "aweather/nexrad_url", text);
 218 }
 219
 220 G_MODULE_EXPORT int on_log_level_changed(GtkSpinButton *spinner, AWeatherGui *self)
 221 {
 222         gint value = gtk_spin_button_get_value_as_int(spinner);
 223         g_debug("AWeatherGui: on_log_level_changed - %p, level=%d", self, value);
 224         grits_prefs_set_integer(self->prefs, "aweather/log_level", value);
 225         return TRUE;
 226 }
 227
 228
 229 /*****************
 230  * Setup helpers *
 231  *****************/
 232 static void combo_sensitive(GtkCellLayout *cell_layout, GtkCellRenderer *cell,
 233                 GtkTreeModel *tree_model, GtkTreeIter *iter, gpointer data)
 234 {
 235         gboolean sensitive = !gtk_tree_model_iter_has_child(tree_model, iter);
 236         g_object_set(cell, "sensitive", sensitive, NULL);
 237 }
 238 static void site_setup(AWeatherGui *self)
 239 {
 240         GtkTreeIter state, city;
 241         GtkTreeStore *store = GTK_TREE_STORE(aweather_gui_get_object(self, "sites"));
 242         gtk_tree_store_append(store, &state, NULL);
 243         gtk_tree_store_set   (store, &state, 0, "", 1, "None", -1);
 244         for (int i = 0; cities[i].type; i++) {
 245                 if (cities[i].type == LOCATION_STATE) {
 246                         gtk_tree_store_append(store, &state, NULL);
 247                         gtk_tree_store_set   (store, &state, 0, cities[i].code,
 248                                                              1, cities[i].name, -1);
 249                 } else if (cities[i].type == LOCATION_CITY) {
 250                         gtk_tree_store_append(store, &city, &state);
 251                         gtk_tree_store_set   (store, &city, 0, cities[i].code,
 252                                                             1, cities[i].name, -1);
 253                 }
 254         }
 255
 256         GtkWidget *combo    = aweather_gui_get_widget(self, "prefs_general_site");
 257         GObject   *renderer = aweather_gui_get_object(self, "prefs_general_site_rend");
 258         gtk_cell_layout_set_cell_data_func(GTK_CELL_LAYOUT(combo),
 259                         GTK_CELL_RENDERER(renderer), combo_sensitive, NULL, NULL);
 260 }
 261
 262 static void prefs_setup(AWeatherGui *self)
 263 {
 264         /* Set values */
 265         gchar *nu = grits_prefs_get_string (self->prefs, "aweather/nexrad_url",   NULL);
 266         gint   ll = grits_prefs_get_integer(self->prefs, "aweather/log_level",    NULL);
 267         gchar *is = grits_prefs_get_string (self->prefs, "aweather/initial_site", NULL);
 268         GtkWidget *nuw = aweather_gui_get_widget(self, "prefs_general_url");
 269         GtkWidget *llw = aweather_gui_get_widget(self, "prefs_general_log");
 270         GtkWidget *isw = aweather_gui_get_widget(self, "prefs_general_site");
 271         if (nu) gtk_entry_set_text(GTK_ENTRY(nuw), nu), g_free(nu);
 272         if (ll) gtk_spin_button_set_value(GTK_SPIN_BUTTON(llw), ll);
 273         if (is) {
 274                 GtkTreeModel *model = gtk_combo_box_get_model(GTK_COMBO_BOX(isw));
 275                 GtkTreeIter iter;
 276                 if (gtk_tree_model_find_string(model, &iter, NULL, 0, is))
 277                         gtk_combo_box_set_active_iter(GTK_COMBO_BOX(isw), &iter);
 278         }
 279
 280         /* Load Plugins */
 281         GtkTreeView       *tview = GTK_TREE_VIEW(aweather_gui_get_widget(self, "prefs_plugins_view"));
 282         GtkCellRenderer   *rend1 = gtk_cell_renderer_text_new();
 283         GtkCellRenderer   *rend2 = gtk_cell_renderer_toggle_new();
 284         GtkTreeViewColumn *col1  = gtk_tree_view_column_new_with_attributes(
 285                         "Plugin",  rend1, "text",   0, NULL);
 286         GtkTreeViewColumn *col2  = gtk_tree_view_column_new_with_attributes(
 287                         "Enabled", rend2, "active", 1, NULL);
 288         g_object_set(rend2, "xalign", 0.0, NULL);
 289         gtk_tree_view_append_column(tview, col1);
 290         gtk_tree_view_append_column(tview, col2);
 291         g_signal_connect(rend2, "toggled", G_CALLBACK(on_plugin_toggled), self);
 292         gtk_tree_view_set_model(GTK_TREE_VIEW(tview), GTK_TREE_MODEL(self->gtk_plugins));
 293 }
 294
 295 static void time_setup(AWeatherGui *self)
 296 {
 297         /* Add times */
 298         GtkTreeStore *store = GTK_TREE_STORE(aweather_gui_get_object(self, "times"));
 299         for (int hour = 0; hour < 24; hour++) {
 300                 GtkTreeIter hour_iter;
 301                 gchar *str = g_strdup_printf("%02d:00Z", hour);
 302                 gtk_tree_store_append(store, &hour_iter, NULL);
 303                 gtk_tree_store_set(store, &hour_iter, 0, str, 1, hour, 2, 0, -1);
 304                 g_free(str);
 305                 for (int min = 5; min < 60; min += 5) {
 306                         GtkTreeIter min_iter;
 307                         gchar *str = g_strdup_printf("%02d:%02dZ", hour, min);
 308                         gtk_tree_store_append(store, &min_iter, &hour_iter);
 309                         gtk_tree_store_set(store, &min_iter, 0, str, 1, hour, 2, min, -1);
 310                         g_free(str);
 311                 }
 312         }
 313
 314         /* Connect signals */
 315         GtkWidget *cal  = aweather_gui_get_widget(self, "main_date_cal");
 316         GtkWidget *view = aweather_gui_get_widget(self, "main_time");
 317         g_signal_connect_swapped(cal,  "day-selected-double-click",
 318                         G_CALLBACK(on_time_changed), self);
 319         g_signal_connect_swapped(view, "row-activated",
 320                         G_CALLBACK(on_time_changed), self);
 321         g_signal_connect(self->viewer, "time-changed",
 322                         G_CALLBACK(update_time_widget), self);
 323 }
 324
 325
 326 /***********
 327  * Methods *
 328  ***********/
 329 AWeatherGui *aweather_gui_new()
 330 {
 331         g_debug("AWeatherGui: new");
 332         return g_object_new(AWEATHER_TYPE_GUI, NULL);
 333 }
 334 GritsViewer *aweather_gui_get_viewer(AWeatherGui *self)
 335 {
 336         g_assert(AWEATHER_IS_GUI(self));
 337         return self->viewer;
 338 }
 339 GtkBuilder *aweather_gui_get_builder(AWeatherGui *self)
 340 {
 341         g_debug("AWeatherGui: get_builder");
 342         g_assert(AWEATHER_IS_GUI(self));
 343         return self->builder;
 344 }
 345 GtkWidget *aweather_gui_get_widget(AWeatherGui *self, const gchar *name)
 346 {
 347         g_debug("AWeatherGui: get_widget - name=%s", name);
 348         g_assert(AWEATHER_IS_GUI(self));
 349         GObject *widget = gtk_builder_get_object(self->builder, name);
 350         if (!GTK_IS_WIDGET(widget))
 351                 g_error("Failed to get widget `%s'", name);
 352         return GTK_WIDGET(widget);
 353 }
 354 GObject *aweather_gui_get_object(AWeatherGui *self, const gchar *name)
 355 {
 356         g_debug("AWeatherGui: get_widget - name=%s", name);
 357         g_assert(AWEATHER_IS_GUI(self));
 358         return gtk_builder_get_object(self->builder, name);
 359 }
 360 void aweather_gui_attach_plugin(AWeatherGui *self, const gchar *name)
 361 {
 362         GritsPlugin *plugin = grits_plugins_enable(self->plugins, name,
 363                         self->viewer, self->prefs);
 364         GtkWidget *body = grits_plugin_get_config(plugin);
 365         if (body) {
 366                 GtkWidget *config = aweather_gui_get_widget(self, "main_tabs");
 367                 GtkWidget *tab    = gtk_label_new(name);
 368                 gtk_notebook_append_page(GTK_NOTEBOOK(config), body, tab);
 369                 gtk_widget_show_all(config);
 370         }
 371         gtk_widget_queue_draw(GTK_WIDGET(self->viewer));
 372 }
 373 void aweather_gui_deattach_plugin(AWeatherGui *self, const gchar *name)
 374 {
 375         GtkWidget *config = aweather_gui_get_widget(self, "main_tabs");
 376         guint n_pages = gtk_notebook_get_n_pages(GTK_NOTEBOOK(config));
 377         for (int i = 0; i < n_pages; i++) {
 378                 g_debug("testing tab %d", i);
 379                 GtkWidget *body = gtk_notebook_get_nth_page(GTK_NOTEBOOK(config), i);
 380                 if (!body) continue;
 381                 GtkWidget *tab = gtk_notebook_get_tab_label(GTK_NOTEBOOK(config), body);
 382                 if (!tab) continue;
 383                 const gchar *tab_name = gtk_label_get_text(GTK_LABEL(tab));
 384                 if (tab_name && g_str_equal(name, tab_name))
 385                         gtk_notebook_remove_page(GTK_NOTEBOOK(config), i);
 386         }
 387         grits_plugins_disable(self->plugins, name);
 388         gtk_widget_queue_draw(GTK_WIDGET(self->viewer));
 389 }
 390
 391
 392 /****************
 393  * GObject code *
 394  ****************/
 395 static void aweather_gui_parser_finished(GtkBuildable *_self, GtkBuilder *builder)
 396 {
 397         g_debug("AWeatherGui: parser finished");
 398         AWeatherGui *self = AWEATHER_GUI(_self);
 399         self->builder = builder;
 400
 401         /* Simple things */
 402         gchar *config   = g_build_filename(g_get_user_config_dir(), PACKAGE, "config.ini", NULL);
 403         gchar *defaults = g_build_filename(PKGDATADIR, "defaults.ini", NULL);
 404         self->prefs   = grits_prefs_new(config, defaults);
 405         self->plugins = grits_plugins_new(PLUGINSDIR, self->prefs);
 406         self->viewer  = GRITS_VIEWER(aweather_gui_get_widget(self, "main_viewer"));
 407         grits_viewer_setup(self->viewer, self->plugins, self->prefs);
 408         g_free(config);
 409         g_free(defaults);
 410
 411         /* Plugins */
 412         GtkTreeIter iter;
 413         self->gtk_plugins = GTK_LIST_STORE(aweather_gui_get_object(self, "plugins"));
 414         for (GList *cur = grits_plugins_available(self->plugins); cur; cur = cur->next) {
 415                 gchar *name = cur->data;
 416                 GError *error = NULL;
 417                 gboolean enabled = grits_prefs_get_boolean_v(self->prefs, "plugins", cur->data, &error);
 418                 if (error && error->code == G_KEY_FILE_ERROR_GROUP_NOT_FOUND)
 419                         enabled = TRUE;
 420                 gtk_list_store_append(self->gtk_plugins, &iter);
 421                 gtk_list_store_set(self->gtk_plugins, &iter, 0, name, 1, enabled, -1);
 422                 if (enabled)
 423                         aweather_gui_attach_plugin(self, name);
 424         }
 425
 426         /* Misc, helpers */
 427         site_setup(self);
 428         time_setup(self);
 429         prefs_setup(self);
 430
 431         /* Connect signals */
 432         gtk_builder_connect_signals(self->builder, self);
 433         g_signal_connect(self, "key-press-event",
 434                         G_CALLBACK(on_gui_key_press), self);
 435         g_signal_connect_swapped(self->viewer, "offline",
 436                         G_CALLBACK(gtk_toggle_action_set_active),
 437                         aweather_gui_get_object(self, "offline"));
 438 }
 439 static void aweather_gui_buildable_init(GtkBuildableIface *iface)
 440 {
 441         iface->parser_finished = aweather_gui_parser_finished;
 442 }
 443 G_DEFINE_TYPE_WITH_CODE(AWeatherGui, aweather_gui, GTK_TYPE_WINDOW,
 444                 G_IMPLEMENT_INTERFACE(GTK_TYPE_BUILDABLE,
 445                         aweather_gui_buildable_init));
 446 static void aweather_gui_init(AWeatherGui *self)
 447 {
 448         g_debug("AWeatherGui: init");
 449         /* Do all the real work in parser_finished */
 450 }
 451 static GObject *aweather_gui_constructor(GType gtype, guint n_properties,
 452                 GObjectConstructParam *properties)
 453 {
 454         g_debug("AWeatherGui: constructor");
 455         GObjectClass *parent_class = G_OBJECT_CLASS(aweather_gui_parent_class);
 456         return parent_class->constructor(gtype, n_properties, properties);
 457 }
 458 static void aweather_gui_dispose(GObject *_self)
 459 {
 460         g_debug("AWeatherGui: dispose");
 461         AWeatherGui *self = AWEATHER_GUI(_self);
 462         if (self->plugins) {
 463                 grits_plugins_free(self->plugins);
 464                 self->plugins = NULL;
 465         }
 466         if (self->builder) {
 467                 g_object_unref(self->builder);
 468                 self->builder = NULL;
 469         }
 470         if (self->prefs) {
 471                 g_object_unref(self->prefs);
 472                 self->prefs = NULL;
 473         }
 474         G_OBJECT_CLASS(aweather_gui_parent_class)->dispose(_self);
 475 }
 476 static void aweather_gui_finalize(GObject *_self)
 477 {
 478         g_debug("AWeatherGui: finalize");
 479         G_OBJECT_CLASS(aweather_gui_parent_class)->finalize(_self);
 480
 481 }
 482 static void aweather_gui_class_init(AWeatherGuiClass *klass)
 483 {
 484         g_debug("AWeatherGui: class_init");
 485         GObjectClass *gobject_class = G_OBJECT_CLASS(klass);
 486         gobject_class->constructor  = aweather_gui_constructor;
 487         gobject_class->dispose      = aweather_gui_dispose;
 488         gobject_class->finalize     = aweather_gui_finalize;
 489 }