sys/msdos/pckeys.c

   1 /*      SCCS Id: @(#)pckeys.c    3.4     1996/05/11               */
   2 /* Copyright (c) NetHack PC Development Team 1996                 */
   3 /* NetHack may be freely redistributed.  See license for details. */
   4
   5 /*
   6  *  MSDOS tile-specific key handling.
   7  */
   8
   9 #include "hack.h"
  10
  11 #ifdef MSDOS
  12 # ifdef USE_TILES
  13 #include "wintty.h"
  14 #include "pcvideo.h"
  15
  16 boolean FDECL(pckeys, (unsigned char, unsigned char));
  17
  18 extern struct WinDesc *wins[MAXWIN];    /* from wintty.c */
  19 extern boolean inmap;                   /* from video.c */
  20
  21 #define SHIFT           (0x1 | 0x2)
  22 #define CTRL            0x4
  23 #define ALT             0x8
  24
  25 /*
  26  * Check for special interface manipulation keys.
  27  * Returns TRUE if the scan code triggered something.
  28  *
  29  */
  30 boolean
  31 pckeys(scancode, shift)
  32 unsigned char scancode;
  33 unsigned char shift;
  34 {
  35    boolean opening_dialog;
  36
  37    opening_dialog = pl_character[0] ? FALSE : TRUE;
  38 #  ifdef SIMULATE_CURSOR
  39     switch(scancode) {
  40         case 0x3d:      /* F3 = toggle cursor type */
  41                 HideCursor();
  42                 cursor_type += 1;
  43                 if (cursor_type >= NUM_CURSOR_TYPES) cursor_type = 0;
  44                 DrawCursor();
  45                 break;
  46 #  endif
  47         case 0x74:      /* Control-right_arrow = scroll horizontal to right */
  48                 if ((shift & CTRL) && iflags.tile_view && !opening_dialog)
  49                         vga_userpan(1);
  50                 break;
  51
  52         case 0x73:      /* Control-left_arrow = scroll horizontal to left */
  53                 if ((shift & CTRL) && iflags.tile_view && !opening_dialog)
  54                         vga_userpan(0);
  55                 break;
  56         case 0x3E:      /* F4 = toggle overview mode */
  57                 if (iflags.tile_view &&
  58                     !opening_dialog
  59 #ifdef REINCARNATION
  60                                 && !Is_rogue_level(&u.uz)
  61 #endif
  62                                                         ) {
  63                         iflags.traditional_view = FALSE;
  64                         vga_overview(iflags.over_view ? FALSE : TRUE);
  65                         vga_refresh();
  66                 }
  67                 break;
  68         case 0x3F:      /* F5 = toggle traditional mode */
  69                 if (iflags.tile_view &&
  70                     !opening_dialog
  71 #ifdef REINCARNATION
  72                                 && !Is_rogue_level(&u.uz)
  73 #endif
  74                                                         ) {
  75                         iflags.over_view = FALSE;
  76                         vga_traditional(iflags.traditional_view ? FALSE : TRUE);
  77                         vga_refresh();
  78                 }
  79                 break;
  80         default:
  81                 return FALSE;
  82     }
  83     return TRUE;
  84 }
  85 # endif /* USE_TILES */
  86 #endif /* MSDOS */
  87
  88 /*pckeys.c*/