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(GtkTreeView *view, GtkTreePath *path,
  91                 GtkTreeViewColumn *column, AWeatherGui *self)
  92 {
  93         gchar *time;
  94         GtkTreeIter iter;
  95         GtkTreeModel *model = gtk_tree_view_get_model(view);
  96         gtk_tree_model_get_iter(model, &iter, path);
  97         gtk_tree_model_get(model, &iter, 0, &time, -1);
  98         //gis_viewer_set_time(self->viewer, time);
  99         g_free(time);
 100 }
 101
 102 static gboolean gtk_tree_model_find_string(GtkTreeModel *model,
 103                 GtkTreeIter *rval, GtkTreeIter *parent, gint field, const gchar *key)
 104 {
 105         g_debug("AWeatherGui: gtk_tree_model_find - field=%d key=%s", field, key);
 106         char *text;
 107         GtkTreeIter cur;
 108         gint num_children = gtk_tree_model_iter_n_children(model, parent);
 109         for (int i = 0; i < num_children; i++) {
 110                 gtk_tree_model_iter_nth_child(model, &cur, parent, i);
 111                 gtk_tree_model_get(model, &cur, field, &text, -1);
 112                 if (text != NULL && g_str_equal(text, key)) {
 113                         *rval = cur;
 114                         g_free(text);
 115                         return TRUE;
 116                 }
 117                 g_free(text);
 118                 if (gtk_tree_model_iter_has_child(model, &cur))
 119                         if (gtk_tree_model_find_string(model, rval, &cur, field, key))
 120                                 return TRUE;
 121         }
 122         return FALSE;
 123 }
 124
 125 static void update_time_widget(GisViewer *viewer, const char *time, AWeatherGui *self)
 126 {
 127         g_debug("AWeatherGui: update_time_widget - time=%s", time);
 128         GtkTreeView  *tview = GTK_TREE_VIEW(aweather_gui_get_widget(self, "main_time"));
 129         GtkTreeModel *model = GTK_TREE_MODEL(gtk_tree_view_get_model(tview));
 130         GtkTreeIter iter;
 131         if (gtk_tree_model_find_string(model, &iter, NULL, 0, time)) {
 132                 GtkTreePath *path = gtk_tree_model_get_path(model, &iter);
 133                 gtk_tree_view_set_cursor(tview, path, NULL, FALSE);
 134                 gtk_tree_path_free(path);
 135         }
 136 }
 137
 138 /* Prefs callbacks */
 139 void on_offline(GtkToggleAction *action, AWeatherGui *self)
 140 {
 141         gboolean value = gtk_toggle_action_get_active(action);
 142         g_debug("AWeatherGui: on_offline - offline=%d", value);
 143         gis_viewer_set_offline(self->viewer, value);
 144 }
 145
 146 void on_nexrad_url_changed(GtkEntry *entry, AWeatherGui *self)
 147 {
 148         const gchar *text = gtk_entry_get_text(entry);
 149         g_debug("AWeatherGui: on_nexrad_url_changed - url=%s", text);
 150         gis_prefs_set_string(self->prefs, "aweather/nexrad_url", text);
 151 }
 152
 153 int on_log_level_changed(GtkSpinButton *spinner, AWeatherGui *self)
 154 {
 155         gint value = gtk_spin_button_get_value_as_int(spinner);
 156         g_debug("AWeatherGui: on_log_level_changed - %p, level=%d", self, value);
 157         gis_prefs_set_integer(self->prefs, "aweather/log_level", value);
 158         return TRUE;
 159 }
 160
 161
 162 /*****************
 163  * Setup helpers *
 164  *****************/
 165 static void prefs_setup(AWeatherGui *self)
 166 {
 167         /* Set values */
 168         gchar *nu = gis_prefs_get_string (self->prefs, "aweather/nexrad_url",   NULL);
 169         gint   ll = gis_prefs_get_integer(self->prefs, "aweather/log_level",    NULL);
 170         gchar *is = gis_prefs_get_string (self->prefs, "aweather/initial_site", NULL);
 171         GtkWidget *nuw = aweather_gui_get_widget(self, "prefs_general_url");
 172         GtkWidget *llw = aweather_gui_get_widget(self, "prefs_general_log");
 173         GtkWidget *isw = aweather_gui_get_widget(self, "prefs_general_site");
 174         if (nu) gtk_entry_set_text(GTK_ENTRY(nuw), nu), g_free(nu);
 175         if (ll) gtk_spin_button_set_value(GTK_SPIN_BUTTON(llw), ll);
 176         if (is) {
 177                 GtkTreeModel *model = gtk_combo_box_get_model(GTK_COMBO_BOX(isw));
 178                 GtkTreeIter iter;
 179                 if (gtk_tree_model_find_string(model, &iter, NULL, 1, is))
 180                         gtk_combo_box_set_active_iter(GTK_COMBO_BOX(isw), &iter);
 181         }
 182
 183         /* Load Plugins */
 184         GtkTreeView       *tview = GTK_TREE_VIEW(aweather_gui_get_widget(self, "prefs_plugins_view"));
 185         GtkCellRenderer   *rend1 = gtk_cell_renderer_text_new();
 186         GtkCellRenderer   *rend2 = gtk_cell_renderer_toggle_new();
 187         GtkTreeViewColumn *col1  = gtk_tree_view_column_new_with_attributes(
 188                         "Plugin",  rend1, "text",   0, NULL);
 189         GtkTreeViewColumn *col2  = gtk_tree_view_column_new_with_attributes(
 190                         "Enabled", rend2, "active", 1, NULL);
 191         g_object_set(rend2, "xalign", 0, NULL);
 192         gtk_tree_view_append_column(tview, col1);
 193         gtk_tree_view_append_column(tview, col2);
 194         g_signal_connect(rend2, "toggled", G_CALLBACK(on_plugin_toggled), self);
 195         gtk_tree_view_set_model(GTK_TREE_VIEW(tview), GTK_TREE_MODEL(self->gtk_plugins));
 196 }
 197
 198 static void combo_sensitive(GtkCellLayout *cell_layout, GtkCellRenderer *cell,
 199                 GtkTreeModel *tree_model, GtkTreeIter *iter, gpointer data)
 200 {
 201         gboolean sensitive = !gtk_tree_model_iter_has_child(tree_model, iter);
 202         g_object_set(cell, "sensitive", sensitive, NULL);
 203 }
 204
 205 static void time_setup(AWeatherGui *self)
 206 {
 207         GtkTreeView       *tview = GTK_TREE_VIEW(aweather_gui_get_widget(self, "main_time"));
 208         GtkCellRenderer   *rend  = gtk_cell_renderer_text_new();
 209         GtkTreeViewColumn *col   = gtk_tree_view_column_new_with_attributes(
 210                                         "Time", rend, "text", 0, NULL);
 211
 212         gtk_tree_view_append_column(tview, col);
 213         g_object_set(rend, "size-points", 8.0, NULL);
 214
 215         g_signal_connect(self->viewer, "time-changed",
 216                         G_CALLBACK(update_time_widget), self);
 217 }
 218
 219
 220 /***********
 221  * Methods *
 222  ***********/
 223 AWeatherGui *aweather_gui_new()
 224 {
 225         g_debug("AWeatherGui: new");
 226         return g_object_new(AWEATHER_TYPE_GUI, NULL);
 227 }
 228 GisViewer *aweather_gui_get_viewer(AWeatherGui *self)
 229 {
 230         g_assert(AWEATHER_IS_GUI(self));
 231         return self->viewer;
 232 }
 233 GtkBuilder *aweather_gui_get_builder(AWeatherGui *self)
 234 {
 235         g_debug("AWeatherGui: get_builder");
 236         g_assert(AWEATHER_IS_GUI(self));
 237         return self->builder;
 238 }
 239 GtkWidget *aweather_gui_get_widget(AWeatherGui *self, const gchar *name)
 240 {
 241         g_debug("AWeatherGui: get_widget - name=%s", name);
 242         g_assert(AWEATHER_IS_GUI(self));
 243         GObject *widget = gtk_builder_get_object(self->builder, name);
 244         if (!GTK_IS_WIDGET(widget))
 245                 g_error("Failed to get widget `%s'", name);
 246         return GTK_WIDGET(widget);
 247 }
 248 GObject *aweather_gui_get_object(AWeatherGui *self, const gchar *name)
 249 {
 250         g_debug("AWeatherGui: get_widget - name=%s", name);
 251         g_assert(AWEATHER_IS_GUI(self));
 252         return gtk_builder_get_object(self->builder, name);
 253 }
 254 void aweather_gui_attach_plugin(AWeatherGui *self, const gchar *name)
 255 {
 256         GisPlugin *plugin = gis_plugins_enable(self->plugins, name,
 257                         self->viewer, self->prefs);
 258         GtkWidget *body = gis_plugin_get_config(plugin);
 259         if (body) {
 260                 GtkWidget *config = aweather_gui_get_widget(self, "main_tabs");
 261                 GtkWidget *tab    = gtk_label_new(name);
 262                 gtk_notebook_append_page(GTK_NOTEBOOK(config), body, tab);
 263                 gtk_widget_show_all(config);
 264         }
 265         gtk_widget_queue_draw(GTK_WIDGET(self->viewer));
 266 }
 267 void aweather_gui_deattach_plugin(AWeatherGui *self, const gchar *name)
 268 {
 269         GtkWidget *config = aweather_gui_get_widget(self, "main_tabs");
 270         guint n_pages = gtk_notebook_get_n_pages(GTK_NOTEBOOK(config));
 271         for (int i = 0; i < n_pages; i++) {
 272                 g_debug("testing tab %d", i);
 273                 GtkWidget *body = gtk_notebook_get_nth_page(GTK_NOTEBOOK(config), i);
 274                 if (!body) continue;
 275                 GtkWidget *tab = gtk_notebook_get_tab_label(GTK_NOTEBOOK(config), body);
 276                 if (!tab) continue;
 277                 const gchar *tab_name = gtk_label_get_text(GTK_LABEL(tab));
 278                 if (tab_name && g_str_equal(name, tab_name))
 279                         gtk_notebook_remove_page(GTK_NOTEBOOK(config), i);
 280         }
 281         gis_plugins_disable(self->plugins, name);
 282         gtk_widget_queue_draw(GTK_WIDGET(self->viewer));
 283 }
 284
 285
 286 /****************
 287  * GObject code *
 288  ****************/
 289 G_DEFINE_TYPE(AWeatherGui, aweather_gui, GTK_TYPE_WINDOW);
 290 static void aweather_gui_init(AWeatherGui *self)
 291 {
 292         g_debug("AWeatherGui: init");
 293
 294         /* Simple things */
 295         gchar *config   = g_build_filename(g_get_user_config_dir(), PACKAGE, "config.ini", NULL);
 296         gchar *defaults = g_build_filename(PKGDATADIR, "defaults.ini", NULL);
 297         self->prefs   = gis_prefs_new(config, defaults);
 298         self->plugins = gis_plugins_new(PLUGINSDIR, self->prefs);
 299         self->viewer  = gis_opengl_new(self->plugins, self->prefs);
 300         g_free(config);
 301         g_free(defaults);
 302
 303         /* Setup window */
 304         self->builder = gtk_builder_new();
 305         GError *error = NULL;
 306         if (!gtk_builder_add_from_file(self->builder, PKGDATADIR "/main.ui", &error))
 307                 g_error("Failed to create gtk builder: %s", error->message);
 308         gtk_widget_reparent(aweather_gui_get_widget(self, "main_body"), GTK_WIDGET(self));
 309         GtkWidget *paned = aweather_gui_get_widget(self, "main_paned");
 310         gtk_widget_destroy(gtk_paned_get_child1(GTK_PANED(paned)));
 311         gtk_paned_pack1(GTK_PANED(paned), GTK_WIDGET(self->viewer), TRUE, FALSE);
 312         gtk_widget_show_all(GTK_WIDGET(self));
 313
 314         /* Plugins */
 315         GtkTreeIter iter;
 316         self->gtk_plugins = GTK_LIST_STORE(aweather_gui_get_object(self, "plugins"));
 317         for (GList *cur = gis_plugins_available(self->plugins); cur; cur = cur->next) {
 318                 gchar *name = cur->data;
 319                 GError *error = NULL;
 320                 gboolean enabled = gis_prefs_get_boolean_v(self->prefs, "plugins", cur->data, &error);
 321                 if (error && error->code == G_KEY_FILE_ERROR_GROUP_NOT_FOUND)
 322                         enabled = TRUE;
 323                 gtk_list_store_append(self->gtk_plugins, &iter);
 324                 gtk_list_store_set(self->gtk_plugins, &iter, 0, name, 1, enabled, -1);
 325                 if (enabled)
 326                         aweather_gui_attach_plugin(self, name);
 327         }
 328
 329         /* Misc, helpers */
 330         time_setup(self);
 331         prefs_setup(self);
 332
 333         /* Connect signals */
 334         gtk_builder_connect_signals(self->builder, self);
 335         g_signal_connect(self, "key-press-event",
 336                         G_CALLBACK(on_gui_key_press), self);
 337         g_signal_connect_swapped(self->viewer, "offline",
 338                         G_CALLBACK(gtk_toggle_action_set_active),
 339                         aweather_gui_get_object(self, "offline"));
 340 }
 341 static GObject *aweather_gui_constructor(GType gtype, guint n_properties,
 342                 GObjectConstructParam *properties)
 343 {
 344         g_debug("aweather_gui: constructor");
 345         GObjectClass *parent_class = G_OBJECT_CLASS(aweather_gui_parent_class);
 346         return parent_class->constructor(gtype, n_properties, properties);
 347 }
 348 static void aweather_gui_dispose(GObject *_self)
 349 {
 350         g_debug("AWeatherGui: dispose");
 351         AWeatherGui *self = AWEATHER_GUI(_self);
 352         if (self->builder) {
 353                 /* Reparent to avoid double unrefs */
 354                 GtkWidget *body   = aweather_gui_get_widget(self, "main_body");
 355                 GtkWidget *window = aweather_gui_get_widget(self, "main_window");
 356                 gtk_widget_reparent(body, window);
 357                 g_object_unref(self->builder);
 358                 self->builder = NULL;
 359         }
 360         if (self->viewer) {
 361                 g_object_unref(self->viewer);
 362                 self->viewer = NULL;
 363         }
 364         if (self->plugins) {
 365                 gis_plugins_free(self->plugins);
 366                 self->plugins = NULL;
 367         }
 368         if (self->prefs) {
 369                 g_object_unref(self->prefs);
 370                 self->prefs = NULL;
 371         }
 372         G_OBJECT_CLASS(aweather_gui_parent_class)->dispose(_self);
 373 }
 374 static void aweather_gui_finalize(GObject *_self)
 375 {
 376         g_debug("AWeatherGui: finalize");
 377         G_OBJECT_CLASS(aweather_gui_parent_class)->finalize(_self);
 378         gtk_main_quit();
 379
 380 }
 381 static void aweather_gui_class_init(AWeatherGuiClass *klass)
 382 {
 383         g_debug("AWeatherGui: class_init");
 384         GObjectClass *gobject_class = G_OBJECT_CLASS(klass);
 385         gobject_class->constructor  = aweather_gui_constructor;
 386         gobject_class->dispose      = aweather_gui_dispose;
 387         gobject_class->finalize     = aweather_gui_finalize;
 388 }