io.h

   1 /* Tetrinet for Linux, by Andrew Church <achurch@achurch.org>
   2  * This program is public domain.
   3  *
   4  * Input/output interface declaration and constant definitions.
   5  */
   6
   7 #ifndef IO_H
   8 #define IO_H
   9
  10 /* Text buffers: */
  11 #define BUFFER_PLINE    0
  12 #define BUFFER_GMSG     1
  13 #define BUFFER_ATTDEF   2
  14
  15 typedef struct {
  16
  17     /**** Input routine. ****/
  18
  19     /* Wait for input and return either an ASCII code, a K_* value, -1 if
  20      * server input is waiting, or -2 if we time out. */
  21     int (*wait_for_input)(int msec);
  22
  23     /**** Output routines. ****/
  24
  25     /* Initialize for output. */
  26     void (*screen_setup)(void);
  27     /* Redraw the screen. */
  28     void (*screen_refresh)(void);
  29     /* Redraw the screen after clearing it. */
  30     void (*screen_redraw)(void);
  31
  32     /* Draw text into the given buffer (@s can contain enum tattr fields;
  33      * these are the ones with < TATTR_MAX). */
  34     void (*draw_text)(int bufnum, const char *s);
  35     /* Clear the given text buffer. */
  36     void (*clear_text)(int bufnum);
  37
  38     /* Set up the fields display. */
  39     void (*setup_fields)(void);
  40     /* Draw our own field. */
  41     void (*draw_own_field)(void);
  42     /* Draw someone else's field. */
  43     void (*draw_other_field)(int player);
  44     /* Draw the game status information. */
  45     void (*draw_status)(void);
  46     /* Draw specials stuff */
  47     void (*draw_specials)(void);
  48     /* Write a text string for usage of a special. */
  49     void (*draw_attdef)(const char *type, int from, int to);
  50     /* Draw the game message input window. */
  51     void (*draw_gmsg_input)(const char *s, int pos);
  52     /* Clear the game message input window. */
  53     void (*clear_gmsg_input)(void);
  54
  55     /* Set up the partyline display. */
  56     void (*setup_partyline)(void);
  57     /* Draw the partyline input string with the cursor at the given position. */
  58     void (*draw_partyline_input)(const char *s, int pos);
  59
  60     /* Set up the winlist display. */
  61     void (*setup_winlist)(void);
  62
  63 } Interface;
  64
  65 extern Interface tty_interface, xwin_interface;
  66
  67
  68 /* Text attributes; note that in strings, they are always encoded with +1 to
  69  * avoid black terminating the string. */
  70
  71 enum tattr {
  72     /* Note that TATTR_CBLACK text should be visible on a black background, too. */
  73     TATTR_CBLACK,
  74     TATTR_CRED,
  75     TATTR_CGREEN,
  76     TATTR_CBROWN,
  77     TATTR_CBLUE,
  78     TATTR_CMAGENTA,
  79     TATTR_CCYAN,
  80     TATTR_CGREY,
  81     TATTR_CXBRIGHT, /* | this with the colors above to get the bright variant. */
  82     TATTR_CMAX = 16,
  83
  84     TATTR_BOLD,
  85     TATTR_ITALIC,
  86     TATTR_UNDERLINE,
  87
  88     TATTR_RESET,
  89
  90     TATTR_MAX
  91 };
  92
  93
  94 #endif  /* IO_H */