ui.h

   1 enum event_type {
   2         ET_NONE = 0,
   3         ET_CHANGE_FATNESS,
   4         ET_CONFIRM,
   5         ET_DELETE_EDGE,
   6         ET_DELETE_VERTEX,
   7         ET_DENY,
   8         ET_FORCE_QUIT,
   9         ET_INITIAL_QUIT,
  10         ET_MUTATE,
  11         ET_NEW_EDGE,
  12         ET_NEW_VERTEX,
  13 };
  14
  15 struct ui_event {
  16         /* What event this is */
  17         enum event_type type;
  18
  19         /* Event-specific data */
  20         size_t idx_1;
  21         size_t idx_2;
  22         int int_1;
  23         int int_2;
  24         int_fast8_t a;
  25         uint_fast8_t b;
  26 };
  27
  28 /* Initialize whatever UI is present */
  29 int
  30 ui_init(struct quiver *q);
  31
  32 /* Tear down whatever UI was made */
  33 int
  34 ui_teardown(void);
  35
  36 /* Deal with the fact that the quiver was changed */
  37 int
  38 ui_respond_quiver_change(void);
  39
  40 /* Record that a frame has been started */
  41 int
  42 ui_start_frame(void);
  43
  44 /* Draw a frame, sleep to framelimit */
  45 int
  46 ui_finish_frame(void);
  47
  48 /* Get some kind of ui-agnostic event (like `quit' or `mutate' */
  49 int
  50 ui_get_event(struct ui_event *e, uint_fast8_t *more);
  51
  52 /* Display a message. Y/n eventually handed back through ui_get_event() */
  53 int
  54 ui_confirm_deny(const char *s);