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