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         const gchar *uri = "file://" HTMLDIR "/aweather.html";
  56         gtk_show_uri(NULL, uri, GDK_CURRENT_TIME, &err);
  57         if (err)
  58                 g_warning("Unable to open help page: %s - %s", uri, err->message);
  59         g_error_free(err);
  60 }
  61
  62 G_MODULE_EXPORT void on_quit(GtkMenuItem *menu, AWeatherGui *self)
  63 {
  64         gtk_widget_destroy(GTK_WIDGET(self));
  65 }
  66
  67 G_MODULE_EXPORT void on_zoomin(GtkAction *action, AWeatherGui *self)
  68 {
  69         gis_viewer_zoom(self->viewer, 3./4);
  70 }
  71
  72 G_MODULE_EXPORT void on_zoomout(GtkAction *action, AWeatherGui *self)
  73 {
  74         gis_viewer_zoom(self->viewer, 4./3);
  75 }
  76
  77 G_MODULE_EXPORT void on_refresh(GtkAction *action, AWeatherGui *self)
  78 {
  79         gis_viewer_refresh(self->viewer);
  80 }
  81
  82 G_MODULE_EXPORT void on_plugin_toggled(GtkCellRendererToggle *cell, gchar *path_str, AWeatherGui *self)
  83 {
  84         GtkWidget    *tview = aweather_gui_get_widget(self, "prefs_plugins_view");
  85         GtkTreeModel *model = gtk_tree_view_get_model(GTK_TREE_VIEW(tview));
  86         gboolean state;
  87         gchar *name;
  88         GtkTreeIter iter;
  89         gtk_tree_model_get_iter_from_string(model, &iter, path_str);
  90         gtk_tree_model_get(model, &iter, 0, &name, 1, &state, -1);
  91         state = !state;
  92         gtk_list_store_set(GTK_LIST_STORE(model), &iter, 1, state, -1);
  93         if (state)
  94                 aweather_gui_attach_plugin(self, name);
  95         else
  96                 aweather_gui_deattach_plugin(self, name);
  97         g_free(name);
  98 }
  99
 100 G_MODULE_EXPORT void on_time_changed(AWeatherGui *self)
 101 {
 102         g_debug("AWeatherGui: on_time_changed");
 103         struct tm tm = {};
 104
 105         GtkWidget *cal = aweather_gui_get_widget(self, "main_date_cal");
 106         gtk_calendar_get_date(GTK_CALENDAR(cal), (guint*)&tm.tm_year,
 107                         (guint*)&tm.tm_mon, (guint*)&tm.tm_mday);
 108         tm.tm_year -= 1900;
 109
 110         GtkTreeIter   iter;
 111         GtkTreePath  *path  = NULL;
 112         GtkWidget    *view  = aweather_gui_get_widget(self, "main_time");
 113         GtkTreeModel *model = gtk_tree_view_get_model(GTK_TREE_VIEW(view));
 114         gtk_tree_view_get_cursor(GTK_TREE_VIEW(view), &path, NULL);
 115         gtk_tree_model_get_iter(model, &iter, path);
 116         gtk_tree_model_get(model, &iter, 1, &tm.tm_hour, 2, &tm.tm_min, -1);
 117
 118         gis_viewer_set_time(self->viewer, mktime(&tm));
 119 }
 120
 121 static gboolean gtk_tree_model_find_string(GtkTreeModel *model,
 122                 GtkTreeIter *rval, GtkTreeIter *parent, gint field, const gchar *key)
 123 {
 124         g_debug("AWeatherGui: gtk_tree_model_find - field=%d key=%s", field, key);
 125         char *text;
 126         GtkTreeIter cur;
 127         gint num_children = gtk_tree_model_iter_n_children(model, parent);
 128         for (int i = 0; i < num_children; i++) {
 129                 gtk_tree_model_iter_nth_child(model, &cur, parent, i);
 130                 gtk_tree_model_get(model, &cur, field, &text, -1);
 131                 if (text != NULL && g_str_equal(text, key)) {
 132                         *rval = cur;
 133                         g_free(text);
 134                         return TRUE;
 135                 }
 136                 g_free(text);
 137                 if (gtk_tree_model_iter_has_child(model, &cur))
 138                         if (gtk_tree_model_find_string(model, rval, &cur, field, key))
 139                                 return TRUE;
 140         }
 141         return FALSE;
 142 }
 143
 144 static void update_time_widget(GisViewer *viewer, time_t time, AWeatherGui *self)
 145 {
 146         g_debug("AWeatherGui: update_time_widget - time=%u", (guint)time);
 147         // FIXME
 148         //GtkTreeView  *tview = GTK_TREE_VIEW(aweather_gui_get_widget(self, "main_time"));
 149         //GtkTreeModel *model = GTK_TREE_MODEL(gtk_tree_view_get_model(tview));
 150         //GtkTreeIter iter;
 151         //if (gtk_tree_model_find_string(model, &iter, NULL, 0, time)) {
 152         //      GtkTreePath *path = gtk_tree_model_get_path(model, &iter);
 153         //      gtk_tree_view_set_cursor(tview, path, NULL, FALSE);
 154         //      gtk_tree_path_free(path);
 155         //}
 156 }
 157
 158 /* Prefs callbacks */
 159 G_MODULE_EXPORT void on_offline(GtkToggleAction *action, AWeatherGui *self)
 160 {
 161         gboolean value = gtk_toggle_action_get_active(action);
 162         g_debug("AWeatherGui: on_offline - offline=%d", value);
 163         gis_viewer_set_offline(self->viewer, value);
 164 }
 165
 166 G_MODULE_EXPORT void on_initial_site_changed(GtkComboBox *combo, AWeatherGui *self)
 167 {
 168         gchar *code;
 169         GtkTreeIter iter;
 170         GtkTreeModel *model = gtk_combo_box_get_model(combo);
 171         gtk_combo_box_get_active_iter(combo, &iter);
 172         gtk_tree_model_get(model, &iter, 0, &code, -1);
 173         g_debug("AWeatherGui: on_initial_site_changed - code=%s", code);
 174         gis_prefs_set_string(self->prefs, "aweather/initial_site", code);
 175         g_free(code);
 176 }
 177
 178 G_MODULE_EXPORT void on_nexrad_url_changed(GtkEntry *entry, AWeatherGui *self)
 179 {
 180         const gchar *text = gtk_entry_get_text(entry);
 181         g_debug("AWeatherGui: on_nexrad_url_changed - url=%s", text);
 182         gis_prefs_set_string(self->prefs, "aweather/nexrad_url", text);
 183 }
 184
 185 G_MODULE_EXPORT int on_log_level_changed(GtkSpinButton *spinner, AWeatherGui *self)
 186 {
 187         gint value = gtk_spin_button_get_value_as_int(spinner);
 188         g_debug("AWeatherGui: on_log_level_changed - %p, level=%d", self, value);
 189         gis_prefs_set_integer(self->prefs, "aweather/log_level", value);
 190         return TRUE;
 191 }
 192
 193
 194 /*****************
 195  * Setup helpers *
 196  *****************/
 197 static void combo_sensitive(GtkCellLayout *cell_layout, GtkCellRenderer *cell,
 198                 GtkTreeModel *tree_model, GtkTreeIter *iter, gpointer data)
 199 {
 200         gboolean sensitive = !gtk_tree_model_iter_has_child(tree_model, iter);
 201         g_object_set(cell, "sensitive", sensitive, NULL);
 202 }
 203 static void site_setup(AWeatherGui *self)
 204 {
 205         GtkTreeIter state, city;
 206         GtkTreeStore *store = GTK_TREE_STORE(aweather_gui_get_object(self, "sites"));
 207         gtk_tree_store_append(store, &state, NULL);
 208         gtk_tree_store_set   (store, &state, 0, "", 1, "None", -1);
 209         for (int i = 0; cities[i].type; i++) {
 210                 if (cities[i].type == LOCATION_STATE) {
 211                         gtk_tree_store_append(store, &state, NULL);
 212                         gtk_tree_store_set   (store, &state, 0, cities[i].code,
 213                                                              1, cities[i].name, -1);
 214                 } else {
 215                         gtk_tree_store_append(store, &city, &state);
 216                         gtk_tree_store_set   (store, &city, 0, cities[i].code,
 217                                                             1, cities[i].name, -1);
 218                 }
 219         }
 220
 221         GtkWidget *combo    = aweather_gui_get_widget(self, "prefs_general_site");
 222         GObject   *renderer = aweather_gui_get_object(self, "prefs_general_site_rend");
 223         gtk_cell_layout_set_cell_data_func(GTK_CELL_LAYOUT(combo),
 224                         GTK_CELL_RENDERER(renderer), combo_sensitive, NULL, NULL);
 225 }
 226
 227 static void prefs_setup(AWeatherGui *self)
 228 {
 229         /* Set values */
 230         gchar *nu = gis_prefs_get_string (self->prefs, "aweather/nexrad_url",   NULL);
 231         gint   ll = gis_prefs_get_integer(self->prefs, "aweather/log_level",    NULL);
 232         gchar *is = gis_prefs_get_string (self->prefs, "aweather/initial_site", NULL);
 233         GtkWidget *nuw = aweather_gui_get_widget(self, "prefs_general_url");
 234         GtkWidget *llw = aweather_gui_get_widget(self, "prefs_general_log");
 235         GtkWidget *isw = aweather_gui_get_widget(self, "prefs_general_site");
 236         if (nu) gtk_entry_set_text(GTK_ENTRY(nuw), nu), g_free(nu);
 237         if (ll) gtk_spin_button_set_value(GTK_SPIN_BUTTON(llw), ll);
 238         if (is) {
 239                 GtkTreeModel *model = gtk_combo_box_get_model(GTK_COMBO_BOX(isw));
 240                 GtkTreeIter iter;
 241                 if (gtk_tree_model_find_string(model, &iter, NULL, 0, is))
 242                         gtk_combo_box_set_active_iter(GTK_COMBO_BOX(isw), &iter);
 243         }
 244
 245         /* Load Plugins */
 246         GtkTreeView       *tview = GTK_TREE_VIEW(aweather_gui_get_widget(self, "prefs_plugins_view"));
 247         GtkCellRenderer   *rend1 = gtk_cell_renderer_text_new();
 248         GtkCellRenderer   *rend2 = gtk_cell_renderer_toggle_new();
 249         GtkTreeViewColumn *col1  = gtk_tree_view_column_new_with_attributes(
 250                         "Plugin",  rend1, "text",   0, NULL);
 251         GtkTreeViewColumn *col2  = gtk_tree_view_column_new_with_attributes(
 252                         "Enabled", rend2, "active", 1, NULL);
 253         g_object_set(rend2, "xalign", 0, NULL);
 254         gtk_tree_view_append_column(tview, col1);
 255         gtk_tree_view_append_column(tview, col2);
 256         g_signal_connect(rend2, "toggled", G_CALLBACK(on_plugin_toggled), self);
 257         gtk_tree_view_set_model(GTK_TREE_VIEW(tview), GTK_TREE_MODEL(self->gtk_plugins));
 258 }
 259
 260 static void time_setup(AWeatherGui *self)
 261 {
 262         /* Setup UI */
 263         GtkCalendar       *cal  = GTK_CALENDAR(aweather_gui_get_widget(self, "main_date_cal"));
 264         GtkTreeView       *view = GTK_TREE_VIEW(aweather_gui_get_widget(self, "main_time"));
 265         GtkCellRenderer   *rend = gtk_cell_renderer_text_new();
 266         GtkTreeViewColumn *col  = gtk_tree_view_column_new_with_attributes(
 267                                         "Time", rend, "text", 0, NULL);
 268         gtk_tree_view_append_column(view, col);
 269         g_object_set(rend, "size-points", 8.0, NULL);
 270
 271         /* Add times */
 272         GtkListStore *store = GTK_LIST_STORE(aweather_gui_get_object(self, "times"));
 273         for (int hour = 0; hour < 24; hour++) {
 274                 for (int min = 0; min < 60; min += 10) {
 275                         GtkTreeIter iter;
 276                         gchar *str = g_strdup_printf("%02d:%02d", hour, min);
 277                         gtk_list_store_append(store, &iter);
 278                         gtk_list_store_set(store, &iter, 0, str, 1, hour, 2, min, -1);
 279                         g_free(str);
 280                 }
 281         }
 282
 283         /* Connect signals */
 284         g_signal_connect_swapped(cal,  "day-selected-double-click",
 285                         G_CALLBACK(on_time_changed), self);
 286         g_signal_connect_swapped(view, "row-activated",
 287                         G_CALLBACK(on_time_changed), self);
 288         g_signal_connect(self->viewer, "time-changed",
 289                         G_CALLBACK(update_time_widget), self);
 290 }
 291
 292
 293 /***********
 294  * Methods *
 295  ***********/
 296 AWeatherGui *aweather_gui_new()
 297 {
 298         g_debug("AWeatherGui: new");
 299         return g_object_new(AWEATHER_TYPE_GUI, NULL);
 300 }
 301 GisViewer *aweather_gui_get_viewer(AWeatherGui *self)
 302 {
 303         g_assert(AWEATHER_IS_GUI(self));
 304         return self->viewer;
 305 }
 306 GtkBuilder *aweather_gui_get_builder(AWeatherGui *self)
 307 {
 308         g_debug("AWeatherGui: get_builder");
 309         g_assert(AWEATHER_IS_GUI(self));
 310         return self->builder;
 311 }
 312 GtkWidget *aweather_gui_get_widget(AWeatherGui *self, const gchar *name)
 313 {
 314         g_debug("AWeatherGui: get_widget - name=%s", name);
 315         g_assert(AWEATHER_IS_GUI(self));
 316         GObject *widget = gtk_builder_get_object(self->builder, name);
 317         if (!GTK_IS_WIDGET(widget))
 318                 g_error("Failed to get widget `%s'", name);
 319         return GTK_WIDGET(widget);
 320 }
 321 GObject *aweather_gui_get_object(AWeatherGui *self, const gchar *name)
 322 {
 323         g_debug("AWeatherGui: get_widget - name=%s", name);
 324         g_assert(AWEATHER_IS_GUI(self));
 325         return gtk_builder_get_object(self->builder, name);
 326 }
 327 void aweather_gui_attach_plugin(AWeatherGui *self, const gchar *name)
 328 {
 329         GisPlugin *plugin = gis_plugins_enable(self->plugins, name,
 330                         self->viewer, self->prefs);
 331         GtkWidget *body = gis_plugin_get_config(plugin);
 332         if (body) {
 333                 GtkWidget *config = aweather_gui_get_widget(self, "main_tabs");
 334                 GtkWidget *tab    = gtk_label_new(name);
 335                 gtk_notebook_append_page(GTK_NOTEBOOK(config), body, tab);
 336                 gtk_widget_show_all(config);
 337         }
 338         gtk_widget_queue_draw(GTK_WIDGET(self->viewer));
 339 }
 340 void aweather_gui_deattach_plugin(AWeatherGui *self, const gchar *name)
 341 {
 342         GtkWidget *config = aweather_gui_get_widget(self, "main_tabs");
 343         guint n_pages = gtk_notebook_get_n_pages(GTK_NOTEBOOK(config));
 344         for (int i = 0; i < n_pages; i++) {
 345                 g_debug("testing tab %d", i);
 346                 GtkWidget *body = gtk_notebook_get_nth_page(GTK_NOTEBOOK(config), i);
 347                 if (!body) continue;
 348                 GtkWidget *tab = gtk_notebook_get_tab_label(GTK_NOTEBOOK(config), body);
 349                 if (!tab) continue;
 350                 const gchar *tab_name = gtk_label_get_text(GTK_LABEL(tab));
 351                 if (tab_name && g_str_equal(name, tab_name))
 352                         gtk_notebook_remove_page(GTK_NOTEBOOK(config), i);
 353         }
 354         gis_plugins_disable(self->plugins, name);
 355         gtk_widget_queue_draw(GTK_WIDGET(self->viewer));
 356 }
 357
 358
 359 /****************
 360  * GObject code *
 361  ****************/
 362 static void aweather_gui_parser_finished(GtkBuildable *_self, GtkBuilder *builder)
 363 {
 364         g_debug("AWeatherGui: parser finished");
 365         AWeatherGui *self = AWEATHER_GUI(_self);
 366         self->builder = builder;
 367
 368         /* Simple things */
 369         gchar *config   = g_build_filename(g_get_user_config_dir(), PACKAGE, "config.ini", NULL);
 370         gchar *defaults = g_build_filename(PKGDATADIR, "defaults.ini", NULL);
 371         self->prefs   = gis_prefs_new(config, defaults);
 372         self->plugins = gis_plugins_new(PLUGINSDIR, self->prefs);
 373         self->viewer  = GIS_VIEWER(aweather_gui_get_widget(self, "main_viewer"));
 374         gis_viewer_setup(self->viewer, self->plugins, self->prefs);
 375         g_free(config);
 376         g_free(defaults);
 377
 378         /* Plugins */
 379         GtkTreeIter iter;
 380         self->gtk_plugins = GTK_LIST_STORE(aweather_gui_get_object(self, "plugins"));
 381         for (GList *cur = gis_plugins_available(self->plugins); cur; cur = cur->next) {
 382                 gchar *name = cur->data;
 383                 GError *error = NULL;
 384                 gboolean enabled = gis_prefs_get_boolean_v(self->prefs, "plugins", cur->data, &error);
 385                 if (error && error->code == G_KEY_FILE_ERROR_GROUP_NOT_FOUND)
 386                         enabled = TRUE;
 387                 gtk_list_store_append(self->gtk_plugins, &iter);
 388                 gtk_list_store_set(self->gtk_plugins, &iter, 0, name, 1, enabled, -1);
 389                 if (enabled)
 390                         aweather_gui_attach_plugin(self, name);
 391         }
 392
 393         /* Misc, helpers */
 394         site_setup(self);
 395         time_setup(self);
 396         prefs_setup(self);
 397
 398         /* Connect signals */
 399         gtk_builder_connect_signals(self->builder, self);
 400         g_signal_connect(self, "key-press-event",
 401                         G_CALLBACK(on_gui_key_press), self);
 402         g_signal_connect_swapped(self->viewer, "offline",
 403                         G_CALLBACK(gtk_toggle_action_set_active),
 404                         aweather_gui_get_object(self, "offline"));
 405 }
 406 static void aweather_gui_buildable_init(GtkBuildableIface *iface)
 407 {
 408         iface->parser_finished = aweather_gui_parser_finished;
 409 }
 410 G_DEFINE_TYPE_WITH_CODE(AWeatherGui, aweather_gui, GTK_TYPE_WINDOW,
 411                 G_IMPLEMENT_INTERFACE(GTK_TYPE_BUILDABLE,
 412                         aweather_gui_buildable_init));
 413 static void aweather_gui_init(AWeatherGui *self)
 414 {
 415         g_debug("AWeatherGui: init");
 416         /* Do all the real work in parser_finished */
 417 }
 418 static GObject *aweather_gui_constructor(GType gtype, guint n_properties,
 419                 GObjectConstructParam *properties)
 420 {
 421         g_debug("AWeatherGui: constructor");
 422         GObjectClass *parent_class = G_OBJECT_CLASS(aweather_gui_parent_class);
 423         return parent_class->constructor(gtype, n_properties, properties);
 424 }
 425 static void aweather_gui_dispose(GObject *_self)
 426 {
 427         g_debug("AWeatherGui: dispose");
 428         AWeatherGui *self = AWEATHER_GUI(_self);
 429         if (self->plugins) {
 430                 gis_plugins_free(self->plugins);
 431                 self->plugins = NULL;
 432         }
 433         if (self->builder) {
 434                 g_object_unref(self->builder);
 435                 self->builder = NULL;
 436         }
 437         if (self->prefs) {
 438                 g_object_unref(self->prefs);
 439                 self->prefs = NULL;
 440         }
 441         G_OBJECT_CLASS(aweather_gui_parent_class)->dispose(_self);
 442 }
 443 static void aweather_gui_finalize(GObject *_self)
 444 {
 445         g_debug("AWeatherGui: finalize");
 446         G_OBJECT_CLASS(aweather_gui_parent_class)->finalize(_self);
 447
 448 }
 449 static void aweather_gui_class_init(AWeatherGuiClass *klass)
 450 {
 451         g_debug("AWeatherGui: class_init");
 452         GObjectClass *gobject_class = G_OBJECT_CLASS(klass);
 453         gobject_class->constructor  = aweather_gui_constructor;
 454         gobject_class->dispose      = aweather_gui_dispose;
 455         gobject_class->finalize     = aweather_gui_finalize;
 456 }