+/*************
+ * Callbacks *
+ *************/
+gboolean on_drawing_button_press(GtkWidget *widget, GdkEventButton *event, AWeatherGui *gui)
+{
+ g_debug("AWeatherGui: on_drawing_button_press - Grabbing focus");
+ GtkWidget *drawing = aweather_gui_get_widget(gui, "drawing");
+ gtk_widget_grab_focus(drawing);
+ return TRUE;
+}
+gboolean on_drawing_key_press(GtkWidget *widget, GdkEventKey *event, AWeatherGui *gui)
+{
+ g_debug("AWeatherGui: on_drawing_key_press - key=%x, state=%x",
+ event->keyval, event->state);
+ AWeatherView *view = aweather_gui_get_view(gui);
+ double x,y,z;
+ aweather_view_get_location(view, &x, &y, &z);
+ guint kv = event->keyval;
+ if (kv == GDK_Right || kv == GDK_l) aweather_view_pan(view, z/10, 0, 0);
+ else if (kv == GDK_Left || kv == GDK_h) aweather_view_pan(view, -z/10, 0, 0);
+ else if (kv == GDK_Up || kv == GDK_k) aweather_view_pan(view, 0, z/10, 0);
+ else if (kv == GDK_Down || kv == GDK_j) aweather_view_pan(view, 0, -z/10, 0);
+ else if (kv == GDK_minus || kv == GDK_o) aweather_view_zoom(view, 10./9);
+ else if (kv == GDK_plus || kv == GDK_i) aweather_view_zoom(view, 9./10);
+ return TRUE;
+}
+
+gboolean on_gui_key_press(GtkWidget *widget, GdkEventKey *event, AWeatherGui *gui)
+{
+ g_debug("AWeatherGui: on_gui_key_press - key=%x, state=%x",
+ event->keyval, event->state);
+ AWeatherView *view = aweather_gui_get_view(gui);
+ if (event->keyval == GDK_q)
+ gtk_widget_destroy(GTK_WIDGET(gui));
+ else if (event->keyval == GDK_r && event->state & GDK_CONTROL_MASK)
+ aweather_view_refresh(view);
+ else if (event->keyval == GDK_Tab || event->keyval == GDK_ISO_Left_Tab) {
+ GtkNotebook *tabs = GTK_NOTEBOOK(aweather_gui_get_widget(gui, "tabs"));
+ gint num_tabs = gtk_notebook_get_n_pages(tabs);
+ gint cur_tab = gtk_notebook_get_current_page(tabs);
+ if (event->state & GDK_SHIFT_MASK)
+ gtk_notebook_set_current_page(tabs, (cur_tab-1)%num_tabs);
+ else
+ gtk_notebook_set_current_page(tabs, (cur_tab+1)%num_tabs);
+ };
+ return FALSE;
+}
+
+void on_quit(GtkMenuItem *menu, AWeatherGui *gui)
+{
+ gtk_widget_destroy(GTK_WIDGET(gui));
+}
+
+void on_offline(GtkToggleAction *action, AWeatherGui *gui)
+{
+ AWeatherView *view = aweather_gui_get_view(gui);
+ aweather_view_set_offline(view,
+ gtk_toggle_action_get_active(action));
+}
+
+void on_zoomin(GtkAction *action, AWeatherGui *gui)
+{
+ AWeatherView *view = aweather_gui_get_view(gui);
+ aweather_view_zoom(view, 3./4);
+}
+
+void on_zoomout(GtkAction *action, AWeatherGui *gui)
+{
+ AWeatherView *view = aweather_gui_get_view(gui);
+ aweather_view_zoom(view, 4./3);
+}
+
+void on_refresh(GtkAction *action, AWeatherGui *gui)
+{
+ AWeatherView *view = aweather_gui_get_view(gui);
+ aweather_view_refresh(view);
+}
+
+void on_about(GtkAction *action, AWeatherGui *gui)
+{
+ // TODO: use gtk_widget_hide_on_delete()
+ GError *error = NULL;
+ GtkBuilder *builder = gtk_builder_new();
+ if (!gtk_builder_add_from_file(builder, DATADIR "/aweather/about.ui", &error))
+ g_error("Failed to create gtk builder: %s", error->message);
+ gtk_builder_connect_signals(builder, NULL);
+ GtkWidget *window = GTK_WIDGET(gtk_builder_get_object(builder, "window"));
+ gtk_window_set_transient_for(GTK_WINDOW(window),
+ GTK_WINDOW(aweather_gui_get_widget(gui, "window")));
+ gtk_widget_show_all(window);
+ g_object_unref(builder);
+}
+
+void on_time_changed(GtkTreeView *view, GtkTreePath *path,
+ GtkTreeViewColumn *column, AWeatherGui *gui)
+{
+ gchar *time;
+ GtkTreeIter iter;
+ GtkTreeModel *model = gtk_tree_view_get_model(view);
+ gtk_tree_model_get_iter(model, &iter, path);
+ gtk_tree_model_get(model, &iter, 0, &time, -1);
+ AWeatherView *aview = aweather_gui_get_view(gui);
+ aweather_view_set_time(aview, time);
+ g_free(time);
+}
+
+void on_site_changed(GtkComboBox *combo, AWeatherGui *gui)
+{
+ gchar *site;
+ GtkTreeIter iter;
+ GtkTreeModel *model = gtk_combo_box_get_model(combo);
+ gtk_combo_box_get_active_iter(combo, &iter);
+ gtk_tree_model_get(model, &iter, 1, &site, -1);
+ AWeatherView *view = aweather_gui_get_view(gui);
+ aweather_view_set_site(view, site);
+ g_free(site);
+}
+
+gboolean on_map(GtkWidget *da, GdkEventConfigure *event, AWeatherGui *gui)
+{
+ g_debug("AWeatherGui: on_map");
+ AWeatherView *view = aweather_gui_get_view(gui);
+
+ /* Misc */
+ glEnable(GL_BLEND);
+ glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
+ glClearColor(0.0f, 0.0f, 0.0f, 0.0f);
+
+ /* Tessellation, "finding intersecting triangles" */
+ /* http://research.microsoft.com/pubs/70307/tr-2006-81.pdf */
+ /* http://www.opengl.org/wiki/Alpha_Blending */
+ glAlphaFunc(GL_GREATER,0.1);
+ glEnable(GL_ALPHA_TEST);
+
+ /* Depth test */
+ glClearDepth(1.0);
+ glDepthFunc(GL_LEQUAL);
+ glEnable(GL_DEPTH_TEST);
+
+ aweather_gui_gl_end(gui);
+ return FALSE;
+}
+
+gboolean on_configure(GtkWidget *da, GdkEventConfigure *event, AWeatherGui *gui)
+{
+ g_debug("AWeatherGui: on_confiure");
+ aweather_gui_gl_begin(gui);
+
+ double x, y, z;
+ AWeatherView *view = aweather_gui_get_view(gui);
+ aweather_view_get_location(view, &x, &y, &z);
+
+ /* Window is at 500 m from camera */
+ double width = da->allocation.width;
+ double height = da->allocation.height;
+
+ glViewport(0, 0, width, height);
+
+ /* Perspective */
+ glMatrixMode(GL_PROJECTION);
+ glLoadIdentity();
+ double rad = atan((height/2)/500);
+ double deg = (rad*180)/M_PI;
+
+ gluPerspective(deg*2, width/height, -z-20, -z+20);
+ //gluPerspective(deg*2, width/height, 1, 500*1000);
+
+ aweather_gui_gl_end(gui);
+ return FALSE;
+}
+
+gboolean on_expose(GtkWidget *da, GdkEventExpose *event, AWeatherGui *gui)
+{
+ g_debug("AWeatherGui: on_expose - begin");
+ aweather_gui_gl_begin(gui);
+
+ double x, y, z;
+ AWeatherView *view = aweather_gui_get_view(gui);
+ aweather_view_get_location(view, &x, &y, &z);
+
+ glMatrixMode(GL_MODELVIEW);
+ glLoadIdentity();
+ glTranslatef(x, y, z);
+
+ //glRotatef(-45, 1, 0, 0);
+
+ /* Expose plugins */
+ for (GList *cur = gui->plugins; cur; cur = cur->next) {
+ AWeatherPlugin *plugin = AWEATHER_PLUGIN(cur->data);
+ aweather_plugin_expose(plugin);
+ }
+
+ aweather_gui_gl_end(gui);
+ aweather_gui_gl_flush(gui);
+ g_debug("AWeatherGui: on_expose - end\n");
+ return FALSE;
+}
+
+void on_location_changed(AWeatherView *view,
+ gdouble x, gdouble y, gdouble z, AWeatherGui *gui)
+{
+ /* Reset clipping area and redraw */
+ GtkWidget *da = aweather_gui_get_widget(gui, "drawing");
+ on_configure(da, NULL, gui);
+ aweather_gui_gl_redraw(gui);
+}
+
+/* TODO: replace the code in these with `gtk_tree_model_find' utility */
+static void update_time_widget(AWeatherView *view, const char *time, AWeatherGui *gui)
+{
+ g_debug("AWeatherGui: update_time_widget - time=%s", time);
+ GtkTreeView *tview = GTK_TREE_VIEW(aweather_gui_get_widget(gui, "time"));
+ GtkTreeModel *model = GTK_TREE_MODEL(gtk_tree_view_get_model(tview));
+ for (int i = 0; i < gtk_tree_model_iter_n_children(model, NULL); i++) {
+ char *text;
+ GtkTreeIter iter;
+ gtk_tree_model_iter_nth_child(model, &iter, NULL, i);
+ gtk_tree_model_get(model, &iter, 0, &text, -1);
+ if (g_str_equal(text, time)) {
+ GtkTreePath *path = gtk_tree_model_get_path(model, &iter);
+ g_signal_handlers_block_by_func(tview,
+ G_CALLBACK(on_site_changed), gui);
+ gtk_tree_view_set_cursor(tview, path, NULL, FALSE);
+ g_signal_handlers_unblock_by_func(tview,
+ G_CALLBACK(on_site_changed), gui);
+ gtk_tree_path_free(path);
+ g_free(text);
+ return;
+ }
+ g_free(text);
+ }
+}
+static void update_site_widget(AWeatherView *view, char *site, AWeatherGui *gui)
+{
+ g_debug("AWeatherGui: updat_site_widget - site=%s", site);
+ GtkComboBox *combo = GTK_COMBO_BOX(aweather_gui_get_widget(gui, "site"));
+ GtkTreeModel *model = GTK_TREE_MODEL(gtk_combo_box_get_model(combo));
+ for (int i = 0; i < gtk_tree_model_iter_n_children(model, NULL); i++) {
+ GtkTreeIter iter1;
+ gtk_tree_model_iter_nth_child(model, &iter1, NULL, i);
+ for (int i = 0; i < gtk_tree_model_iter_n_children(model, &iter1); i++) {
+ GtkTreeIter iter2;
+ gtk_tree_model_iter_nth_child(model, &iter2, &iter1, i);
+ char *text;
+ gtk_tree_model_get(model, &iter2, 1, &text, -1);
+ if (text == NULL)
+ continue;
+ if (g_str_equal(text, site)) {
+ g_signal_handlers_block_by_func(combo,
+ G_CALLBACK(on_site_changed), gui);
+ gtk_combo_box_set_active_iter(combo, &iter2);
+ g_signal_handlers_unblock_by_func(combo,
+ G_CALLBACK(on_site_changed), gui);
+ g_free(text);
+ return;
+ }
+ g_free(text);
+ }
+ }
+}
+
+/*****************
+ * Setup helpers *
+ *****************/
+static void combo_sensitive(GtkCellLayout *cell_layout, GtkCellRenderer *cell,
+ GtkTreeModel *tree_model, GtkTreeIter *iter, gpointer data)
+{
+ gboolean sensitive = !gtk_tree_model_iter_has_child(tree_model, iter);
+ g_object_set(cell, "sensitive", sensitive, NULL);
+}
+
+static void site_setup(AWeatherGui *gui)
+{
+ GtkTreeIter state, city;
+ GtkTreeStore *store = GTK_TREE_STORE(aweather_gui_get_object(gui, "sites"));
+ for (int i = 0; cities[i].label; i++) {
+ if (cities[i].type == LOCATION_STATE) {
+ gtk_tree_store_append(store, &state, NULL);
+ gtk_tree_store_set (store, &state, 0, cities[i].label,
+ 1, cities[i].code, -1);
+ } else {
+ gtk_tree_store_append(store, &city, &state);
+ gtk_tree_store_set (store, &city, 0, cities[i].label,
+ 1, cities[i].code, -1);
+ }
+ }
+
+ GtkWidget *combo = aweather_gui_get_widget(gui, "site");
+ GObject *renderer = aweather_gui_get_object(gui, "site_rend");
+ gtk_cell_layout_set_cell_data_func(GTK_CELL_LAYOUT(combo),
+ GTK_CELL_RENDERER(renderer), combo_sensitive, NULL, NULL);
+
+ AWeatherView *aview = aweather_gui_get_view(gui);
+ g_signal_connect(aview, "site-changed", G_CALLBACK(update_site_widget), gui);
+}
+
+static void time_setup(AWeatherGui *gui)
+{
+ GtkTreeView *tview = GTK_TREE_VIEW(aweather_gui_get_widget(gui, "time"));
+ GtkCellRenderer *rend = gtk_cell_renderer_text_new();
+ GtkTreeViewColumn *col = gtk_tree_view_column_new_with_attributes(
+ "Time", rend, "text", 0, NULL);
+
+ gtk_tree_view_append_column(tview, col);
+ g_object_set(rend, "size-points", 8.0, NULL);
+
+ AWeatherView *aview = aweather_gui_get_view(gui);
+ g_signal_connect(aview, "time-changed", G_CALLBACK(update_time_widget), gui);
+}
+
+static void opengl_setup(AWeatherGui *gui)
+{
+ GtkDrawingArea *drawing = GTK_DRAWING_AREA(aweather_gui_get_widget(gui, "drawing"));
+
+ GdkGLConfig *glconfig = gdk_gl_config_new_by_mode(
+ GDK_GL_MODE_RGBA | GDK_GL_MODE_DEPTH |
+ GDK_GL_MODE_DOUBLE | GDK_GL_MODE_ALPHA);
+ if (!glconfig)
+ g_error("Failed to create glconfig");
+ if (!gtk_widget_set_gl_capability(GTK_WIDGET(drawing),
+ glconfig, NULL, TRUE, GDK_GL_RGBA_TYPE))
+ g_error("GL lacks required capabilities");
+
+ /* Set up OpenGL Stuff, glade doesn't like doing these */
+ g_signal_connect(drawing, "map-event", G_CALLBACK(on_map), gui);
+ g_signal_connect(drawing, "configure-event", G_CALLBACK(on_configure), gui);
+ g_signal_connect(drawing, "expose-event", G_CALLBACK(on_expose), gui);
+}
+
+
+
+/***********
+ * Methods *
+ ***********/