ui.c

   1 /*-
   2  * "THE BEER-WARE LICENSE" (Revision 42):
   3  * <tobias.rehbein@web.de> wrote this file. As long as you retain this notice
   4  * you can do whatever you want with this stuff. If we meet some day, and you
   5  * think this stuff is worth it, you can buy me a beer in return.
   6  *                                                              Tobias Rehbein
   7  */
   8
   9 #include <stdio.h>
  10 #include <unistd.h>
  11 #include <fcntl.h>
  12 #include <err.h>
  13 #include "oggquiz.h"
  14 #include "common.h"
  15 #include "ui.h"
  16
  17 static void     print_oggfile(oggfile_t * oggfile);
  18
  19 extern options_t options;
  20 static int      tty = -1;
  21
  22 void
  23 ui_setup()
  24 {
  25         if (tty == -1)
  26                 if ((tty = open("/dev/tty", O_RDONLY)) == -1)
  27                         err(1, "could not open /dev/tty");
  28 }
  29
  30 void
  31 ui_display_quiz(ui_model_t * model)
  32 {
  33         int             i;
  34
  35         puts("+-----------+-------------------+-------------------+");
  36         printf("| Next turn | current turn: %3d | current player: %d |\n",
  37                model->turn, model->current_player + 1);
  38         puts("+-----------+-------------------+-------------------+\n");
  39
  40         for (i = 0; i < options.choices; i++) {
  41                 printf("%d.  %s\n", i + 1, model->oggfiles[i].artist);
  42                 printf("    %s\n", model->oggfiles[i].album);
  43                 printf("    %s\n\n", model->oggfiles[i].title);
  44         }
  45 }
  46
  47 void
  48 ui_display_result(ui_model_t * model)
  49 {
  50         int             i;
  51         char            mark;
  52
  53         if (model->correct == model->guess)
  54                 printf("\nYou are right!\n");
  55         else {
  56                 printf("\nSorry, you are wrong!\n");
  57                 printf("\nYour guess:\n");
  58                 print_oggfile(model->guess);
  59         }
  60
  61         printf("\nYou are listening to:\n");
  62         print_oggfile(model->correct);
  63         puts("\nScoreboard:\n");
  64         for (i = 0; i < options.players; i++) {
  65                 if (i == model->current_player)
  66                         mark = '*';
  67                 else
  68                         mark = ' ';
  69                 printf("%c  Player %d: %5d %c\n", mark, i + 1, model->scores[i], mark);
  70         }
  71         puts("");
  72 }
  73
  74 char
  75 ui_get_answer()
  76 {
  77         int             answer;
  78         char            canswer;
  79
  80         printf("What are you listening to? (1-%d, 'q' to quit)\n", options.choices);
  81         for (;;) {
  82                 if (read(tty, &answer, 2) == -1)
  83                         err(1, "could not read from /dev/tty");
  84                 canswer = (char)answer;
  85                 if (canswer == 'q' || (canswer >= '1' && canswer <= '0' + options.choices))
  86                         break;
  87         }
  88         return canswer;
  89 }
  90
  91 void
  92 ui_pause()
  93 {
  94         char            in;
  95
  96         printf("press return to continue...\n");
  97         for (;;) {
  98                 if (read(tty, &in, 1) == -1)
  99                         err(1, "could not read from /dev/tty");
 100                 if (in == '\n')
 101                         break;
 102         }
 103 }
 104
 105 void
 106 ui_teardown()
 107 {
 108         if (tty != -1) {
 109                 if (close(tty) == -1)
 110                         err(1, "could not close fd for /dev/tty");
 111                 tty = -1;
 112         }
 113 }
 114
 115 static void
 116 print_oggfile(oggfile_t * oggfile)
 117 {
 118         printf("  %s\n", oggfile->artist);
 119         printf("  %s\n", oggfile->album);
 120         printf("  %s\n", oggfile->title);
 121 }