ui.h

   1 /*
   2  * Copyright (c) 2016, S. Gilles <sgilles@math.umd.edu>
   3  *
   4  * Permission to use, copy, modify, and/or distribute this software
   5  * for any purpose with or without fee is hereby granted, provided
   6  * that the above copyright notice and this permission notice appear
   7  * in all copies.
   8  *
   9  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL
  10  * WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED
  11  * WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE
  12  * AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR
  13  * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS
  14  * OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT,
  15  * NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
  16  * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  17  */
  18 enum event_type {
  19         ET_NONE = 0,
  20         ET_CHANGE_FATNESS,
  21         ET_DELETE_EDGE,
  22         ET_DELETE_VERTEX,
  23         ET_LOAD,
  24         ET_MUTATE,
  25         ET_NEW_EDGE,
  26         ET_NEW_VERTEX,
  27         ET_QUIT,
  28         ET_RENAME,
  29         ET_SAVE,
  30 };
  31
  32 struct ui_event {
  33         /* What event this is */
  34         enum event_type type;
  35
  36         /* Event-specific data */
  37         size_t idx_1;
  38         size_t idx_2;
  39         int int_1;
  40         int int_2;
  41         int_fast8_t a;
  42         uint_fast8_t b;
  43         char *str;
  44 };
  45
  46 /* Initialize whatever UI is present */
  47 int
  48 ui_init(struct quiver *q);
  49
  50 /* Tear down whatever UI was made */
  51 int
  52 ui_teardown(void);
  53
  54 /* Deal with the fact that the quiver was changed */
  55 int
  56 ui_respond_quiver_change(void);
  57
  58 /* Record that a frame has been started */
  59 int
  60 ui_start_frame(void);
  61
  62 /* Draw a frame, sleep to framelimit */
  63 int
  64 ui_finish_frame(void);
  65
  66 /* Get some kind of ui-agnostic event (like `quit' or `mutate' */
  67 int
  68 ui_get_event(struct ui_event *e, uint_fast8_t *more);