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 *argv[] = {BROWSER, HTMLDIR "/aweather.html", NULL};
  56         g_spawn_async(NULL, argv, NULL, G_SPAWN_SEARCH_PATH, NULL, NULL, NULL, &err);
  57         if (err) {
  58                 g_warning("Unable to open help page: %s - %s",
  59                                 argv[1], err->message);
  60                 g_error_free(err);
  61         }
  62 }
  63
  64 G_MODULE_EXPORT void on_quit(GtkMenuItem *menu, AWeatherGui *self)
  65 {
  66         gtk_widget_destroy(GTK_WIDGET(self));
  67 }
  68
  69 G_MODULE_EXPORT void on_zoomin(GtkAction *action, AWeatherGui *self)
  70 {
  71         gis_viewer_zoom(self->viewer, 3./4);
  72 }
  73
  74 G_MODULE_EXPORT void on_zoomout(GtkAction *action, AWeatherGui *self)
  75 {
  76         gis_viewer_zoom(self->viewer, 4./3);
  77 }
  78
  79 G_MODULE_EXPORT void on_refresh(GtkAction *action, AWeatherGui *self)
  80 {
  81         gis_viewer_refresh(self->viewer);
  82 }
  83
  84 G_MODULE_EXPORT void on_plugin_toggled(GtkCellRendererToggle *cell, gchar *path_str, AWeatherGui *self)
  85 {
  86         GtkWidget    *tview = aweather_gui_get_widget(self, "prefs_plugins_view");
  87         GtkTreeModel *model = gtk_tree_view_get_model(GTK_TREE_VIEW(tview));
  88         gboolean state;
  89         gchar *name;
  90         GtkTreeIter iter;
  91         gtk_tree_model_get_iter_from_string(model, &iter, path_str);
  92         gtk_tree_model_get(model, &iter, 0, &name, 1, &state, -1);
  93         state = !state;
  94         gtk_list_store_set(GTK_LIST_STORE(model), &iter, 1, state, -1);
  95         if (state)
  96                 aweather_gui_attach_plugin(self, name);
  97         else
  98                 aweather_gui_deattach_plugin(self, name);
  99         g_free(name);
 100 }
 101
 102 G_MODULE_EXPORT void on_time_changed(AWeatherGui *self)
 103 {
 104         g_debug("AWeatherGui: on_time_changed");
 105         struct tm tm = {};
 106
 107         GtkWidget *cal = aweather_gui_get_widget(self, "main_date_cal");
 108         gtk_calendar_get_date(GTK_CALENDAR(cal), (guint*)&tm.tm_year,
 109                         (guint*)&tm.tm_mon, (guint*)&tm.tm_mday);
 110         tm.tm_year -= 1900;
 111
 112         GtkTreeIter   iter;
 113         GtkTreePath  *path  = NULL;
 114         GtkWidget    *view  = aweather_gui_get_widget(self, "main_time");
 115         GtkTreeModel *model = gtk_tree_view_get_model(GTK_TREE_VIEW(view));
 116         gtk_tree_view_get_cursor(GTK_TREE_VIEW(view), &path, NULL);
 117         gtk_tree_model_get_iter(model, &iter, path);
 118         gtk_tree_model_get(model, &iter, 1, &tm.tm_hour, 2, &tm.tm_min, -1);
 119
 120         gis_viewer_set_time(self->viewer, mktime(&tm));
 121 }
 122
 123 static gboolean gtk_tree_model_find_string(GtkTreeModel *model,
 124                 GtkTreeIter *rval, GtkTreeIter *parent, gint field, const gchar *key)
 125 {
 126         g_debug("AWeatherGui: gtk_tree_model_find - field=%d key=%s", field, key);
 127         char *text;
 128         GtkTreeIter cur;
 129         gint num_children = gtk_tree_model_iter_n_children(model, parent);
 130         for (int i = 0; i < num_children; i++) {
 131                 gtk_tree_model_iter_nth_child(model, &cur, parent, i);
 132                 gtk_tree_model_get(model, &cur, field, &text, -1);
 133                 if (text != NULL && g_str_equal(text, key)) {
 134                         *rval = cur;
 135                         g_free(text);
 136                         return TRUE;
 137                 }
 138                 g_free(text);
 139                 if (gtk_tree_model_iter_has_child(model, &cur))
 140                         if (gtk_tree_model_find_string(model, rval, &cur, field, key))
 141                                 return TRUE;
 142         }
 143         return FALSE;
 144 }
 145
 146 static void update_time_widget(GisViewer *viewer, time_t time, AWeatherGui *self)
 147 {
 148         g_debug("AWeatherGui: update_time_widget - time=%u", (guint)time);
 149         // FIXME
 150         //GtkTreeView  *tview = GTK_TREE_VIEW(aweather_gui_get_widget(self, "main_time"));
 151         //GtkTreeModel *model = GTK_TREE_MODEL(gtk_tree_view_get_model(tview));
 152         //GtkTreeIter iter;
 153         //if (gtk_tree_model_find_string(model, &iter, NULL, 0, time)) {
 154         //      GtkTreePath *path = gtk_tree_model_get_path(model, &iter);
 155         //      gtk_tree_view_set_cursor(tview, path, NULL, FALSE);
 156         //      gtk_tree_path_free(path);
 157         //}
 158 }
 159
 160 /* Prefs callbacks */
 161 G_MODULE_EXPORT void on_offline(GtkToggleAction *action, AWeatherGui *self)
 162 {
 163         gboolean value = gtk_toggle_action_get_active(action);
 164         g_debug("AWeatherGui: on_offline - offline=%d", value);
 165         gis_viewer_set_offline(self->viewer, value);
 166 }
 167
 168 G_MODULE_EXPORT void on_initial_site_changed(GtkComboBox *combo, AWeatherGui *self)
 169 {
 170         gchar *code;
 171         GtkTreeIter iter;
 172         GtkTreeModel *model = gtk_combo_box_get_model(combo);
 173         gtk_combo_box_get_active_iter(combo, &iter);
 174         gtk_tree_model_get(model, &iter, 0, &code, -1);
 175         g_debug("AWeatherGui: on_initial_site_changed - code=%s", code);
 176         gis_prefs_set_string(self->prefs, "aweather/initial_site", code);
 177         g_free(code);
 178 }
 179
 180 G_MODULE_EXPORT void on_nexrad_url_changed(GtkEntry *entry, AWeatherGui *self)
 181 {
 182         const gchar *text = gtk_entry_get_text(entry);
 183         g_debug("AWeatherGui: on_nexrad_url_changed - url=%s", text);
 184         gis_prefs_set_string(self->prefs, "aweather/nexrad_url", text);
 185 }
 186
 187 G_MODULE_EXPORT int on_log_level_changed(GtkSpinButton *spinner, AWeatherGui *self)
 188 {
 189         gint value = gtk_spin_button_get_value_as_int(spinner);
 190         g_debug("AWeatherGui: on_log_level_changed - %p, level=%d", self, value);
 191         gis_prefs_set_integer(self->prefs, "aweather/log_level", value);
 192         return TRUE;
 193 }
 194
 195
 196 /*****************
 197  * Setup helpers *
 198  *****************/
 199 static void combo_sensitive(GtkCellLayout *cell_layout, GtkCellRenderer *cell,
 200                 GtkTreeModel *tree_model, GtkTreeIter *iter, gpointer data)
 201 {
 202         gboolean sensitive = !gtk_tree_model_iter_has_child(tree_model, iter);
 203         g_object_set(cell, "sensitive", sensitive, NULL);
 204 }
 205 static void site_setup(AWeatherGui *self)
 206 {
 207         GtkTreeIter state, city;
 208         GtkTreeStore *store = GTK_TREE_STORE(aweather_gui_get_object(self, "sites"));
 209         gtk_tree_store_append(store, &state, NULL);
 210         gtk_tree_store_set   (store, &state, 0, "", 1, "None", -1);
 211         for (int i = 0; cities[i].type; i++) {
 212                 if (cities[i].type == LOCATION_STATE) {
 213                         gtk_tree_store_append(store, &state, NULL);
 214                         gtk_tree_store_set   (store, &state, 0, cities[i].code,
 215                                                              1, cities[i].name, -1);
 216                 } else {
 217                         gtk_tree_store_append(store, &city, &state);
 218                         gtk_tree_store_set   (store, &city, 0, cities[i].code,
 219                                                             1, cities[i].name, -1);
 220                 }
 221         }
 222
 223         GtkWidget *combo    = aweather_gui_get_widget(self, "prefs_general_site");
 224         GObject   *renderer = aweather_gui_get_object(self, "prefs_general_site_rend");
 225         gtk_cell_layout_set_cell_data_func(GTK_CELL_LAYOUT(combo),
 226                         GTK_CELL_RENDERER(renderer), combo_sensitive, NULL, NULL);
 227 }
 228
 229 static void prefs_setup(AWeatherGui *self)
 230 {
 231         /* Set values */
 232         gchar *nu = gis_prefs_get_string (self->prefs, "aweather/nexrad_url",   NULL);
 233         gint   ll = gis_prefs_get_integer(self->prefs, "aweather/log_level",    NULL);
 234         gchar *is = gis_prefs_get_string (self->prefs, "aweather/initial_site", NULL);
 235         GtkWidget *nuw = aweather_gui_get_widget(self, "prefs_general_url");
 236         GtkWidget *llw = aweather_gui_get_widget(self, "prefs_general_log");
 237         GtkWidget *isw = aweather_gui_get_widget(self, "prefs_general_site");
 238         if (nu) gtk_entry_set_text(GTK_ENTRY(nuw), nu), g_free(nu);
 239         if (ll) gtk_spin_button_set_value(GTK_SPIN_BUTTON(llw), ll);
 240         if (is) {
 241                 GtkTreeModel *model = gtk_combo_box_get_model(GTK_COMBO_BOX(isw));
 242                 GtkTreeIter iter;
 243                 if (gtk_tree_model_find_string(model, &iter, NULL, 0, is))
 244                         gtk_combo_box_set_active_iter(GTK_COMBO_BOX(isw), &iter);
 245         }
 246
 247         /* Load Plugins */
 248         GtkTreeView       *tview = GTK_TREE_VIEW(aweather_gui_get_widget(self, "prefs_plugins_view"));
 249         GtkCellRenderer   *rend1 = gtk_cell_renderer_text_new();
 250         GtkCellRenderer   *rend2 = gtk_cell_renderer_toggle_new();
 251         GtkTreeViewColumn *col1  = gtk_tree_view_column_new_with_attributes(
 252                         "Plugin",  rend1, "text",   0, NULL);
 253         GtkTreeViewColumn *col2  = gtk_tree_view_column_new_with_attributes(
 254                         "Enabled", rend2, "active", 1, NULL);
 255         g_object_set(rend2, "xalign", 0, NULL);
 256         gtk_tree_view_append_column(tview, col1);
 257         gtk_tree_view_append_column(tview, col2);
 258         g_signal_connect(rend2, "toggled", G_CALLBACK(on_plugin_toggled), self);
 259         gtk_tree_view_set_model(GTK_TREE_VIEW(tview), GTK_TREE_MODEL(self->gtk_plugins));
 260 }
 261
 262 static void time_setup(AWeatherGui *self)
 263 {
 264         /* Setup UI */
 265         GtkCalendar       *cal  = GTK_CALENDAR(aweather_gui_get_widget(self, "main_date_cal"));
 266         GtkTreeView       *view = GTK_TREE_VIEW(aweather_gui_get_widget(self, "main_time"));
 267         GtkCellRenderer   *rend = gtk_cell_renderer_text_new();
 268         GtkTreeViewColumn *col  = gtk_tree_view_column_new_with_attributes(
 269                                         "Time", rend, "text", 0, NULL);
 270         gtk_tree_view_append_column(view, col);
 271         g_object_set(rend, "size-points", 8.0, NULL);
 272
 273         /* Add times */
 274         GtkListStore *store = GTK_LIST_STORE(aweather_gui_get_object(self, "times"));
 275         for (int hour = 0; hour < 24; hour++) {
 276                 for (int min = 0; min < 60; min += 10) {
 277                         GtkTreeIter iter;
 278                         gchar *str = g_strdup_printf("%02d:%02d", hour, min);
 279                         gtk_list_store_append(store, &iter);
 280                         gtk_list_store_set(store, &iter, 0, str, 1, hour, 2, min, -1);
 281                         g_free(str);
 282                 }
 283         }
 284
 285         /* Connect signals */
 286         g_signal_connect_swapped(cal,  "day-selected-double-click",
 287                         G_CALLBACK(on_time_changed), self);
 288         g_signal_connect_swapped(view, "row-activated",
 289                         G_CALLBACK(on_time_changed), self);
 290         g_signal_connect(self->viewer, "time-changed",
 291                         G_CALLBACK(update_time_widget), self);
 292 }
 293
 294
 295 /***********
 296  * Methods *
 297  ***********/
 298 AWeatherGui *aweather_gui_new()
 299 {
 300         g_debug("AWeatherGui: new");
 301         return g_object_new(AWEATHER_TYPE_GUI, NULL);
 302 }
 303 GisViewer *aweather_gui_get_viewer(AWeatherGui *self)
 304 {
 305         g_assert(AWEATHER_IS_GUI(self));
 306         return self->viewer;
 307 }
 308 GtkBuilder *aweather_gui_get_builder(AWeatherGui *self)
 309 {
 310         g_debug("AWeatherGui: get_builder");
 311         g_assert(AWEATHER_IS_GUI(self));
 312         return self->builder;
 313 }
 314 GtkWidget *aweather_gui_get_widget(AWeatherGui *self, const gchar *name)
 315 {
 316         g_debug("AWeatherGui: get_widget - name=%s", name);
 317         g_assert(AWEATHER_IS_GUI(self));
 318         GObject *widget = gtk_builder_get_object(self->builder, name);
 319         if (!GTK_IS_WIDGET(widget))
 320                 g_error("Failed to get widget `%s'", name);
 321         return GTK_WIDGET(widget);
 322 }
 323 GObject *aweather_gui_get_object(AWeatherGui *self, const gchar *name)
 324 {
 325         g_debug("AWeatherGui: get_widget - name=%s", name);
 326         g_assert(AWEATHER_IS_GUI(self));
 327         return gtk_builder_get_object(self->builder, name);
 328 }
 329 void aweather_gui_attach_plugin(AWeatherGui *self, const gchar *name)
 330 {
 331         GisPlugin *plugin = gis_plugins_enable(self->plugins, name,
 332                         self->viewer, self->prefs);
 333         GtkWidget *body = gis_plugin_get_config(plugin);
 334         if (body) {
 335                 GtkWidget *config = aweather_gui_get_widget(self, "main_tabs");
 336                 GtkWidget *tab    = gtk_label_new(name);
 337                 gtk_notebook_append_page(GTK_NOTEBOOK(config), body, tab);
 338                 gtk_widget_show_all(config);
 339         }
 340         gtk_widget_queue_draw(GTK_WIDGET(self->viewer));
 341 }
 342 void aweather_gui_deattach_plugin(AWeatherGui *self, const gchar *name)
 343 {
 344         GtkWidget *config = aweather_gui_get_widget(self, "main_tabs");
 345         guint n_pages = gtk_notebook_get_n_pages(GTK_NOTEBOOK(config));
 346         for (int i = 0; i < n_pages; i++) {
 347                 g_debug("testing tab %d", i);
 348                 GtkWidget *body = gtk_notebook_get_nth_page(GTK_NOTEBOOK(config), i);
 349                 if (!body) continue;
 350                 GtkWidget *tab = gtk_notebook_get_tab_label(GTK_NOTEBOOK(config), body);
 351                 if (!tab) continue;
 352                 const gchar *tab_name = gtk_label_get_text(GTK_LABEL(tab));
 353                 if (tab_name && g_str_equal(name, tab_name))
 354                         gtk_notebook_remove_page(GTK_NOTEBOOK(config), i);
 355         }
 356         gis_plugins_disable(self->plugins, name);
 357         gtk_widget_queue_draw(GTK_WIDGET(self->viewer));
 358 }
 359
 360
 361 /****************
 362  * GObject code *
 363  ****************/
 364 static void aweather_gui_parser_finished(GtkBuildable *_self, GtkBuilder *builder)
 365 {
 366         g_debug("AWeatherGui: parser finished");
 367         AWeatherGui *self = AWEATHER_GUI(_self);
 368         self->builder = builder;
 369
 370         /* Simple things */
 371         gchar *config   = g_build_filename(g_get_user_config_dir(), PACKAGE, "config.ini", NULL);
 372         gchar *defaults = g_build_filename(PKGDATADIR, "defaults.ini", NULL);
 373         self->prefs   = gis_prefs_new(config, defaults);
 374         self->plugins = gis_plugins_new(PLUGINSDIR, self->prefs);
 375         self->viewer  = GIS_VIEWER(aweather_gui_get_widget(self, "main_viewer"));
 376         gis_viewer_setup(self->viewer, self->plugins, self->prefs);
 377         g_free(config);
 378         g_free(defaults);
 379
 380         /* Plugins */
 381         GtkTreeIter iter;
 382         self->gtk_plugins = GTK_LIST_STORE(aweather_gui_get_object(self, "plugins"));
 383         for (GList *cur = gis_plugins_available(self->plugins); cur; cur = cur->next) {
 384                 gchar *name = cur->data;
 385                 GError *error = NULL;
 386                 gboolean enabled = gis_prefs_get_boolean_v(self->prefs, "plugins", cur->data, &error);
 387                 if (error && error->code == G_KEY_FILE_ERROR_GROUP_NOT_FOUND)
 388                         enabled = TRUE;
 389                 gtk_list_store_append(self->gtk_plugins, &iter);
 390                 gtk_list_store_set(self->gtk_plugins, &iter, 0, name, 1, enabled, -1);
 391                 if (enabled)
 392                         aweather_gui_attach_plugin(self, name);
 393         }
 394
 395         /* Misc, helpers */
 396         site_setup(self);
 397         time_setup(self);
 398         prefs_setup(self);
 399
 400         /* Connect signals */
 401         gtk_builder_connect_signals(self->builder, self);
 402         g_signal_connect(self, "key-press-event",
 403                         G_CALLBACK(on_gui_key_press), self);
 404         g_signal_connect_swapped(self->viewer, "offline",
 405                         G_CALLBACK(gtk_toggle_action_set_active),
 406                         aweather_gui_get_object(self, "offline"));
 407 }
 408 static void aweather_gui_buildable_init(GtkBuildableIface *iface)
 409 {
 410         iface->parser_finished = aweather_gui_parser_finished;
 411 }
 412 G_DEFINE_TYPE_WITH_CODE(AWeatherGui, aweather_gui, GTK_TYPE_WINDOW,
 413                 G_IMPLEMENT_INTERFACE(GTK_TYPE_BUILDABLE,
 414                         aweather_gui_buildable_init));
 415 static void aweather_gui_init(AWeatherGui *self)
 416 {
 417         g_debug("AWeatherGui: init");
 418         /* Do all the real work in parser_finished */
 419 }
 420 static GObject *aweather_gui_constructor(GType gtype, guint n_properties,
 421                 GObjectConstructParam *properties)
 422 {
 423         g_debug("AWeatherGui: constructor");
 424         GObjectClass *parent_class = G_OBJECT_CLASS(aweather_gui_parent_class);
 425         return parent_class->constructor(gtype, n_properties, properties);
 426 }
 427 static void aweather_gui_dispose(GObject *_self)
 428 {
 429         g_debug("AWeatherGui: dispose");
 430         AWeatherGui *self = AWEATHER_GUI(_self);
 431         if (self->plugins) {
 432                 gis_plugins_free(self->plugins);
 433                 self->plugins = NULL;
 434         }
 435         if (self->builder) {
 436                 g_object_unref(self->builder);
 437                 self->builder = NULL;
 438         }
 439         if (self->prefs) {
 440                 g_object_unref(self->prefs);
 441                 self->prefs = NULL;
 442         }
 443         G_OBJECT_CLASS(aweather_gui_parent_class)->dispose(_self);
 444 }
 445 static void aweather_gui_finalize(GObject *_self)
 446 {
 447         g_debug("AWeatherGui: finalize");
 448         G_OBJECT_CLASS(aweather_gui_parent_class)->finalize(_self);
 449
 450 }
 451 static void aweather_gui_class_init(AWeatherGuiClass *klass)
 452 {
 453         g_debug("AWeatherGui: class_init");
 454         GObjectClass *gobject_class = G_OBJECT_CLASS(klass);
 455         gobject_class->constructor  = aweather_gui_constructor;
 456         gobject_class->dispose      = aweather_gui_dispose;
 457         gobject_class->finalize     = aweather_gui_finalize;
 458 }