- GtkWidget *button = gtk_button_new_with_label("Hello World");
- g_signal_connect(button, "clicked", G_CALLBACK(print_hello), NULL);
- g_signal_connect_swapped(button, "clicked", G_CALLBACK(gtk_widget_destroy),
- window);
- gtk_container_add(GTK_CONTAINER(button_box), button);
+ struct State *state = (struct State *)user_data;
+ state->voltage = BV_CHART(bv_chart_new());
+ bv_chart_add_point(state->voltage, 0.0, 0.0);
+ bv_chart_add_point(state->voltage, 1.0, 1.0);
+ bv_chart_add_point(state->voltage, 3.0, 2.0);
+ gboolean expand = TRUE;
+ gboolean fill = TRUE;
+ guint padding = 0;
+ gtk_box_pack_start(GTK_BOX(box), GTK_WIDGET(state->voltage), expand, fill,
+ padding);
+
+ state->current = BV_CHART(bv_chart_new());
+ bv_chart_add_point(state->current, 0.0, 1.0);
+ bv_chart_add_point(state->current, 1.0, 0.0);
+ gtk_box_pack_end(GTK_BOX(box), GTK_WIDGET(state->current), expand, fill,
+ padding);