annotate arogue5/io.c @ 97:d4bf99f82ea0

arogue5: fix backspace key.
author John "Elwin" Edwards
date Wed, 28 Aug 2013 08:37:56 -0700
parents c49f7927b0fa
children 56e748983fa8
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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0ed67132cf10 Import Advanced Rogue 5.8 from the Roguelike Restoration Project (r1490)
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1 /*
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2 * Various input/output functions
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3 *
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4 * Advanced Rogue
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5 * Copyright (C) 1984, 1985 Michael Morgan, Ken Dalka and AT&T
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6 * All rights reserved.
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7 *
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8 * Based on "Rogue: Exploring the Dungeons of Doom"
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9 * Copyright (C) 1980, 1981 Michael Toy, Ken Arnold and Glenn Wichman
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10 * All rights reserved.
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11 *
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12 * See the file LICENSE.TXT for full copyright and licensing information.
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13 */
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14
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15 #include "curses.h"
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16 #include <ctype.h>
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c49f7927b0fa arogue5: add missing header files.
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17 #include <string.h>
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18 #include <stdarg.h>
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19 #include "rogue.h"
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20
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21 /*
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22 * msg:
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23 * Display a message at the top of the screen.
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24 */
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25
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26 static char msgbuf[BUFSIZ];
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27 static int newpos = 0;
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28
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29 /*VARARGS1*/
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30 msg(char *fmt, ...)
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31 {
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32 va_list ap;
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33 /*
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34 * if the string is "", just clear the line
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35 */
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36 if (*fmt == '\0')
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37 {
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38 overwrite(cw,msgw);
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39 wmove(msgw, 0, 0);
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40 clearok(msgw, FALSE);
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41 draw(msgw);
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42 mpos = 0;
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43 return;
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44 }
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45 /*
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46 * otherwise add to the message and flush it out
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47 */
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48 va_start(ap,fmt);
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49 doadd(fmt, ap);
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50 va_end(ap);
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51 endmsg();
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52 }
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53
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54 /*
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55 * add things to the current message
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56 */
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57 addmsg(char *fmt, ...)
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58 {
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59 va_list ap;
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60 va_start(ap,fmt);
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61 doadd(fmt, ap);
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62 va_end(ap);
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63 }
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64
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65 /*
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66 * Display a new msg (giving him a chance to see the previous one if it
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67 * is up there with the --More--)
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68 */
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69 endmsg()
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70 {
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71 strncpy(huh, msgbuf, sizeof(huh));
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72
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73 huh[ sizeof(huh) - 1 ] = 0;
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74
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75 if (mpos)
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76 {
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77 wmove(msgw, 0, mpos);
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78 waddstr(msgw, morestr);
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79 draw(cw);
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80 draw(msgw);
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81 wait_for(msgw,' ');
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82 overwrite(cw,msgw);
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83 wmove(msgw,0,0);
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84 touchwin(cw);
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85 }
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86 else {
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87 overwrite(cw,msgw);
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88 wmove(msgw,0,0);
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89 }
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90 waddstr(msgw, msgbuf);
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91 mpos = newpos;
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92 newpos = 0;
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93 msgbuf[0] = '\0';
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94 draw(cw);
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95 clearok(msgw, FALSE);
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96 draw(msgw);
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97 }
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98
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99 doadd(char *fmt, va_list ap)
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100 {
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101 /*
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102 * Do the sprintf into newmsg and append to msgbuf
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103 */
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104
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105 vsnprintf(&msgbuf[newpos], sizeof(msgbuf)-newpos-1, fmt, ap);
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106
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107 newpos = strlen(msgbuf);
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108 }