#define MPP_TO_ALTI 0.7134044
#define VIK_DEFAULT_ALTITUDE 0.0
+#define VIK_DEFAULT_DOP 0.0
#define VIK_GTK_WINDOW_FROM_WIDGET(x) GTK_WINDOW(gtk_widget_get_toplevel(GTK_WIDGET(x)))
#define VIK_GTK_WINDOW_FROM_LAYER(x) VIK_GTK_WINDOW_FROM_WIDGET(VIK_LAYER(x)->vt)
extern gboolean vik_verbose;
extern gboolean vik_version;
+/* Global preferences */
+void a_vik_preferences_init ();
+
+/* Coord display preferences */
+typedef enum {
+ VIK_DEGREE_FORMAT_DDD,
+ VIK_DEGREE_FORMAT_DMM,
+ VIK_DEGREE_FORMAT_DMS,
+} vik_degree_format_t;
+
+vik_degree_format_t a_vik_get_degree_format ( );
+
+/* Distance preferences */
+typedef enum {
+ VIK_UNITS_DISTANCE_KILOMETRES,
+ VIK_UNITS_DISTANCE_MILES,
+} vik_units_distance_t;
+
+vik_units_distance_t a_vik_get_units_distance ( );
+
+/* Speed preferences */
+typedef enum {
+ VIK_UNITS_SPEED_KILOMETRES_PER_HOUR,
+ VIK_UNITS_SPEED_MILES_PER_HOUR,
+ VIK_UNITS_SPEED_METRES_PER_SECOND,
+ VIK_UNITS_SPEED_KNOTS,
+} vik_units_speed_t;
+
+vik_units_speed_t a_vik_get_units_speed ( );
+
+/* Height (Depth) preferences */
+typedef enum {
+ VIK_UNITS_HEIGHT_METRES,
+ VIK_UNITS_HEIGHT_FEET,
+} vik_units_height_t;
+
+vik_units_height_t a_vik_get_units_height ( );
+
+gboolean a_vik_get_use_large_waypoint_icons ( );
+
+/* Location preferences */
+typedef enum {
+ VIK_LOCATION_LAT,
+ VIK_LOCATION_LONG,
+} vik_location_t;
+
+gdouble a_vik_get_default_lat ( );
+gdouble a_vik_get_default_long ( );
+
+/* Group for global preferences */
+#define VIKING_PREFERENCES_GROUP_KEY "viking.globals"
+#define VIKING_PREFERENCES_NAMESPACE "viking.globals."
+
#endif