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 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 void on_quit(GtkMenuItem *menu, AWeatherGui *self)
  53 {
  54         gtk_widget_destroy(GTK_WIDGET(self));
  55 }
  56
  57 void on_zoomin(GtkAction *action, AWeatherGui *self)
  58 {
  59         gis_viewer_zoom(self->viewer, 3./4);
  60 }
  61
  62 void on_zoomout(GtkAction *action, AWeatherGui *self)
  63 {
  64         gis_viewer_zoom(self->viewer, 4./3);
  65 }
  66
  67 void on_refresh(GtkAction *action, AWeatherGui *self)
  68 {
  69         gis_viewer_refresh(self->viewer);
  70 }
  71
  72 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 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 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 void on_nexrad_url_changed(GtkEntry *entry, AWeatherGui *self)
 157 {
 158         const gchar *text = gtk_entry_get_text(entry);
 159         g_debug("AWeatherGui: on_nexrad_url_changed - url=%s", text);
 160         gis_prefs_set_string(self->prefs, "aweather/nexrad_url", text);
 161 }
 162
 163 int on_log_level_changed(GtkSpinButton *spinner, AWeatherGui *self)
 164 {
 165         gint value = gtk_spin_button_get_value_as_int(spinner);
 166         g_debug("AWeatherGui: on_log_level_changed - %p, level=%d", self, value);
 167         gis_prefs_set_integer(self->prefs, "aweather/log_level", value);
 168         return TRUE;
 169 }
 170
 171
 172 /*****************
 173  * Setup helpers *
 174  *****************/
 175 static void prefs_setup(AWeatherGui *self)
 176 {
 177         /* Set values */
 178         gchar *nu = gis_prefs_get_string (self->prefs, "aweather/nexrad_url",   NULL);
 179         gint   ll = gis_prefs_get_integer(self->prefs, "aweather/log_level",    NULL);
 180         gchar *is = gis_prefs_get_string (self->prefs, "aweather/initial_site", NULL);
 181         GtkWidget *nuw = aweather_gui_get_widget(self, "prefs_general_url");
 182         GtkWidget *llw = aweather_gui_get_widget(self, "prefs_general_log");
 183         GtkWidget *isw = aweather_gui_get_widget(self, "prefs_general_site");
 184         if (nu) gtk_entry_set_text(GTK_ENTRY(nuw), nu), g_free(nu);
 185         if (ll) gtk_spin_button_set_value(GTK_SPIN_BUTTON(llw), ll);
 186         if (is) {
 187                 GtkTreeModel *model = gtk_combo_box_get_model(GTK_COMBO_BOX(isw));
 188                 GtkTreeIter iter;
 189                 if (gtk_tree_model_find_string(model, &iter, NULL, 1, is))
 190                         gtk_combo_box_set_active_iter(GTK_COMBO_BOX(isw), &iter);
 191         }
 192
 193         /* Load Plugins */
 194         GtkTreeView       *tview = GTK_TREE_VIEW(aweather_gui_get_widget(self, "prefs_plugins_view"));
 195         GtkCellRenderer   *rend1 = gtk_cell_renderer_text_new();
 196         GtkCellRenderer   *rend2 = gtk_cell_renderer_toggle_new();
 197         GtkTreeViewColumn *col1  = gtk_tree_view_column_new_with_attributes(
 198                         "Plugin",  rend1, "text",   0, NULL);
 199         GtkTreeViewColumn *col2  = gtk_tree_view_column_new_with_attributes(
 200                         "Enabled", rend2, "active", 1, NULL);
 201         g_object_set(rend2, "xalign", 0, NULL);
 202         gtk_tree_view_append_column(tview, col1);
 203         gtk_tree_view_append_column(tview, col2);
 204         g_signal_connect(rend2, "toggled", G_CALLBACK(on_plugin_toggled), self);
 205         gtk_tree_view_set_model(GTK_TREE_VIEW(tview), GTK_TREE_MODEL(self->gtk_plugins));
 206 }
 207
 208 static void combo_sensitive(GtkCellLayout *cell_layout, GtkCellRenderer *cell,
 209                 GtkTreeModel *tree_model, GtkTreeIter *iter, gpointer data)
 210 {
 211         gboolean sensitive = !gtk_tree_model_iter_has_child(tree_model, iter);
 212         g_object_set(cell, "sensitive", sensitive, NULL);
 213 }
 214
 215 static void time_setup(AWeatherGui *self)
 216 {
 217         /* Setup UI */
 218         GtkCalendar       *cal  = GTK_CALENDAR(aweather_gui_get_widget(self, "main_date_cal"));
 219         GtkTreeView       *view = GTK_TREE_VIEW(aweather_gui_get_widget(self, "main_time"));
 220         GtkCellRenderer   *rend = gtk_cell_renderer_text_new();
 221         GtkTreeViewColumn *col  = gtk_tree_view_column_new_with_attributes(
 222                                         "Time", rend, "text", 0, NULL);
 223         gtk_tree_view_append_column(view, col);
 224         g_object_set(rend, "size-points", 8.0, NULL);
 225
 226         /* Add times */
 227         GtkListStore *store = GTK_LIST_STORE(aweather_gui_get_object(self, "times"));
 228         for (int hour = 0; hour < 24; hour++) {
 229                 for (int min = 0; min < 60; min += 10) {
 230                         GtkTreeIter iter;
 231                         gchar *str = g_strdup_printf("%02d:%02d", hour, min);
 232                         gtk_list_store_append(store, &iter);
 233                         gtk_list_store_set(store, &iter, 0, str, 1, hour, 2, min, -1);
 234                         g_free(str);
 235                 }
 236         }
 237
 238         /* Connect signals */
 239         g_signal_connect_swapped(cal,  "day-selected-double-click",
 240                         G_CALLBACK(on_time_changed), self);
 241         g_signal_connect_swapped(view, "row-activated",
 242                         G_CALLBACK(on_time_changed), self);
 243         g_signal_connect(self->viewer, "time-changed",
 244                         G_CALLBACK(update_time_widget), self);
 245 }
 246
 247
 248 /***********
 249  * Methods *
 250  ***********/
 251 AWeatherGui *aweather_gui_new()
 252 {
 253         g_debug("AWeatherGui: new");
 254         return g_object_new(AWEATHER_TYPE_GUI, NULL);
 255 }
 256 GisViewer *aweather_gui_get_viewer(AWeatherGui *self)
 257 {
 258         g_assert(AWEATHER_IS_GUI(self));
 259         return self->viewer;
 260 }
 261 GtkBuilder *aweather_gui_get_builder(AWeatherGui *self)
 262 {
 263         g_debug("AWeatherGui: get_builder");
 264         g_assert(AWEATHER_IS_GUI(self));
 265         return self->builder;
 266 }
 267 GtkWidget *aweather_gui_get_widget(AWeatherGui *self, const gchar *name)
 268 {
 269         g_debug("AWeatherGui: get_widget - name=%s", name);
 270         g_assert(AWEATHER_IS_GUI(self));
 271         GObject *widget = gtk_builder_get_object(self->builder, name);
 272         if (!GTK_IS_WIDGET(widget))
 273                 g_error("Failed to get widget `%s'", name);
 274         return GTK_WIDGET(widget);
 275 }
 276 GObject *aweather_gui_get_object(AWeatherGui *self, const gchar *name)
 277 {
 278         g_debug("AWeatherGui: get_widget - name=%s", name);
 279         g_assert(AWEATHER_IS_GUI(self));
 280         return gtk_builder_get_object(self->builder, name);
 281 }
 282 void aweather_gui_attach_plugin(AWeatherGui *self, const gchar *name)
 283 {
 284         GisPlugin *plugin = gis_plugins_enable(self->plugins, name,
 285                         self->viewer, self->prefs);
 286         GtkWidget *body = gis_plugin_get_config(plugin);
 287         if (body) {
 288                 GtkWidget *config = aweather_gui_get_widget(self, "main_tabs");
 289                 GtkWidget *tab    = gtk_label_new(name);
 290                 gtk_notebook_append_page(GTK_NOTEBOOK(config), body, tab);
 291                 gtk_widget_show_all(config);
 292         }
 293         gtk_widget_queue_draw(GTK_WIDGET(self->viewer));
 294 }
 295 void aweather_gui_deattach_plugin(AWeatherGui *self, const gchar *name)
 296 {
 297         GtkWidget *config = aweather_gui_get_widget(self, "main_tabs");
 298         guint n_pages = gtk_notebook_get_n_pages(GTK_NOTEBOOK(config));
 299         for (int i = 0; i < n_pages; i++) {
 300                 g_debug("testing tab %d", i);
 301                 GtkWidget *body = gtk_notebook_get_nth_page(GTK_NOTEBOOK(config), i);
 302                 if (!body) continue;
 303                 GtkWidget *tab = gtk_notebook_get_tab_label(GTK_NOTEBOOK(config), body);
 304                 if (!tab) continue;
 305                 const gchar *tab_name = gtk_label_get_text(GTK_LABEL(tab));
 306                 if (tab_name && g_str_equal(name, tab_name))
 307                         gtk_notebook_remove_page(GTK_NOTEBOOK(config), i);
 308         }
 309         gis_plugins_disable(self->plugins, name);
 310         gtk_widget_queue_draw(GTK_WIDGET(self->viewer));
 311 }
 312
 313
 314 /****************
 315  * GObject code *
 316  ****************/
 317 G_DEFINE_TYPE(AWeatherGui, aweather_gui, GTK_TYPE_WINDOW);
 318 static void aweather_gui_init(AWeatherGui *self)
 319 {
 320         g_debug("AWeatherGui: init");
 321
 322         /* Simple things */
 323         gchar *config   = g_build_filename(g_get_user_config_dir(), PACKAGE, "config.ini", NULL);
 324         gchar *defaults = g_build_filename(PKGDATADIR, "defaults.ini", NULL);
 325         self->prefs   = gis_prefs_new(config, defaults);
 326         self->plugins = gis_plugins_new(PLUGINSDIR, self->prefs);
 327         self->viewer  = gis_opengl_new(self->plugins, self->prefs);
 328         g_free(config);
 329         g_free(defaults);
 330
 331         /* Setup window */
 332         self->builder = gtk_builder_new();
 333         GError *error = NULL;
 334         if (!gtk_builder_add_from_file(self->builder, PKGDATADIR "/main.ui", &error))
 335                 g_error("Failed to create gtk builder: %s", error->message);
 336         gtk_widget_reparent(aweather_gui_get_widget(self, "main_body"), GTK_WIDGET(self));
 337         GtkWidget *paned = aweather_gui_get_widget(self, "main_paned");
 338         gtk_widget_destroy(gtk_paned_get_child1(GTK_PANED(paned)));
 339         gtk_paned_pack1(GTK_PANED(paned), GTK_WIDGET(self->viewer), TRUE, FALSE);
 340         gtk_widget_show_all(GTK_WIDGET(self));
 341
 342         /* Plugins */
 343         GtkTreeIter iter;
 344         self->gtk_plugins = GTK_LIST_STORE(aweather_gui_get_object(self, "plugins"));
 345         for (GList *cur = gis_plugins_available(self->plugins); cur; cur = cur->next) {
 346                 gchar *name = cur->data;
 347                 GError *error = NULL;
 348                 gboolean enabled = gis_prefs_get_boolean_v(self->prefs, "plugins", cur->data, &error);
 349                 if (error && error->code == G_KEY_FILE_ERROR_GROUP_NOT_FOUND)
 350                         enabled = TRUE;
 351                 gtk_list_store_append(self->gtk_plugins, &iter);
 352                 gtk_list_store_set(self->gtk_plugins, &iter, 0, name, 1, enabled, -1);
 353                 if (enabled)
 354                         aweather_gui_attach_plugin(self, name);
 355         }
 356
 357         /* Misc, helpers */
 358         time_setup(self);
 359         prefs_setup(self);
 360
 361         /* Connect signals */
 362         gtk_builder_connect_signals(self->builder, self);
 363         g_signal_connect(self, "key-press-event",
 364                         G_CALLBACK(on_gui_key_press), self);
 365         g_signal_connect_swapped(self->viewer, "offline",
 366                         G_CALLBACK(gtk_toggle_action_set_active),
 367                         aweather_gui_get_object(self, "offline"));
 368 }
 369 static GObject *aweather_gui_constructor(GType gtype, guint n_properties,
 370                 GObjectConstructParam *properties)
 371 {
 372         g_debug("aweather_gui: constructor");
 373         GObjectClass *parent_class = G_OBJECT_CLASS(aweather_gui_parent_class);
 374         return parent_class->constructor(gtype, n_properties, properties);
 375 }
 376 static void aweather_gui_dispose(GObject *_self)
 377 {
 378         g_debug("AWeatherGui: dispose");
 379         AWeatherGui *self = AWEATHER_GUI(_self);
 380         if (self->builder) {
 381                 /* Reparent to avoid double unrefs */
 382                 GtkWidget *body   = aweather_gui_get_widget(self, "main_body");
 383                 GtkWidget *window = aweather_gui_get_widget(self, "main_window");
 384                 gtk_widget_reparent(body, window);
 385                 g_object_unref(self->builder);
 386                 self->builder = NULL;
 387         }
 388         if (self->viewer) {
 389                 g_object_unref(self->viewer);
 390                 self->viewer = NULL;
 391         }
 392         if (self->plugins) {
 393                 gis_plugins_free(self->plugins);
 394                 self->plugins = NULL;
 395         }
 396         if (self->prefs) {
 397                 g_object_unref(self->prefs);
 398                 self->prefs = NULL;
 399         }
 400         G_OBJECT_CLASS(aweather_gui_parent_class)->dispose(_self);
 401 }
 402 static void aweather_gui_finalize(GObject *_self)
 403 {
 404         g_debug("AWeatherGui: finalize");
 405         G_OBJECT_CLASS(aweather_gui_parent_class)->finalize(_self);
 406         gtk_main_quit();
 407
 408 }
 409 static void aweather_gui_class_init(AWeatherGuiClass *klass)
 410 {
 411         g_debug("AWeatherGui: class_init");
 412         GObjectClass *gobject_class = G_OBJECT_CLASS(klass);
 413         gobject_class->constructor  = aweather_gui_constructor;
 414         gobject_class->dispose      = aweather_gui_dispose;
 415         gobject_class->finalize     = aweather_gui_finalize;
 416 }