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Merge branch 'NetHack:NetHack-3.7' into NetHack-3.7

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This commit is contained in:
RainRat
2024-04-13 09:15:39 -07:00
committed by GitHub
parent 6445c97a4e a57d0e6f4f
commit 262c9e763c
20 changed files with 340 additions and 78 deletions
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27
doc/Guidebook.mn
View File

@@ -46,7 +46,7 @@
.ds f0 \*(vr
.ds f1 \" empty
.\"DO NOT REMOVE NH_DATESUB .ds f2 DATE(%B %-d, %Y)
.ds f2 March 21, 2024
.ds f2 April 12, 2024
.
.\" A note on some special characters:
.\" \(lq = left double quote
@@ -4057,8 +4057,29 @@ In text windowing, text highlighting or inverse video is often used;
with tiles, generally displays a small plus-symbol beside the object
on the top of the pile.
.lp hitpointbar
Show a hit point bar graph behind your name and title.
Only available for TTY, Curses, and Windows GUI, and only when statushilites is on.
Show a hit point bar graph behind your name and title in the status
display (default off).
.lp ""
The \(lqcurses\(rq interface supports it even if the status highlighting
feature has been disabled when building the program.
The \(lqtty\(rq and \(lqmswin\(rq (aka \(lqWindows GUI\(rq) interfaces
support it only if status highlighting is left enabled when building.
You don't need to set up any highlighting rules in order to display
the bar.
If there is one for hitpoints in effect and it specifies color, that
color will be used for the bar.
However if it specifies video attributes, they will be ignored in
favor of \fIinverse\fP.
For tty and curses, \fIblink\fP will also be used if the current
hitpoint value is at or below the \fIcritical HP\fP threshold.
.lp ""
The \(lqQt\(rq interface also supports hitpointbar, by drawing
a solid bar above the name and title with a hard-coded color scheme.
(As of this writing, having the bar enabled unintentionally inhibits
resizing the status panel.
To resize that, use the \f(CR#optionsfull\fP command to toggle the
\fIhitpointbar\fP option off, perform the resize while it's off, then
use the same command to toggle it back on.)
.lp horsename
Name your starting horse (for example \(lqhorsename:Trigger\(rq).
Cannot be set with the \(oq\f(CRO\fP\(cq command.

29
doc/Guidebook.tex
View File

@@ -48,7 +48,7 @@
\author{Original version - Eric S. Raymond\\
(Edited and expanded for 3.7.0 by Mike Stephenson and others)}
%DO NOT REMOVE NH_DATESUB \date{DATE(%B %-d, %Y)}
\date{March 21, 2024}
\date{April 12, 2024}
\maketitle
@@ -4433,8 +4433,31 @@ with tiles, generally displays a small plus-symbol beside the object
on the top of the pile.
%.lp
\item[\ib{hitpointbar}]
Show a hit point bar graph behind your name and title.
Only available for TTY, Curses, and Windows GUI, and only when statushilites is on.
Show a hit point bar graph behind your name and title in the status
display (default off).
\\
%.lp
The ``curses'' interface supports it even if the status highlighting
feature has been disabled when building the program.
The ``tty'' and ``mswin'' (aka ``Windows GUI'') interfaces
support it only if status highlighting is left enabled when building.
You don't need to set up any highlighting rules in order to display
the bar.
If there is one for hitpoints in effect and it specifies color, that
color will be used for the bar.
However if it specifies video attributes, they will be ignored in
favor of {\it inverse}.
For tty and curses, {\it blink\/} will also be used if the current
hitpoint value is at or below the {\it critical HP\/} threshold.
\\
%.lp
The ``Qt'' interface also supports hitpointbar, by drawing
a solid bar above the name and title with a hard-coded color scheme.
(As of this writing, having the bar enabled unintentionally inhibits
resizing the status panel.
To resize that, use the {\tt \#optionsfull} command to toggle the
{\it hitpointbar\/} option off, perform the resize while it's off, then
use the same command to toggle it back on.)
%.lp
\item[\ib{horsename}]
Name your starting horse (for example, ``{\tt horsename:Trigger}'').

2
doc/fixes3-7-0.txt
View File

@@ -2080,6 +2080,8 @@ curses: if user's terminal was set to 'application keypad mode' (DEC VTxxx
"ESC SPC G"), nethack wasn't recognizing number pad keys
curses: change petattr attributes, dropping support for curses-only ones
curses: swap the grey and no-color color initialization
curses: allow changing default colors with the 'palette' config option
(only if compiled with CHANGE_COLOR)
macOS: Xcode project was failing to build if the path to the NetHack source
tree contained a space; the issue was within some shell script code
contained within the project

1
include/color.h
View File

@@ -55,6 +55,7 @@
#define HI_ZAP CLR_BRIGHT_BLUE
#define NH_BASIC_COLOR 0x1000000
#define NH_ALTPALETTE 0x2000000
#define COLORVAL(x) ((x) & 0xFFFFFF)
enum nhcolortype { no_color, nh_color, rgb_color };

6
include/decl.h
View File

@@ -157,6 +157,11 @@ struct instance_globals_a {
short *animal_list; /* list of PM values for animal monsters */
int animal_list_count;
#ifdef CHANGE_COLOR
/* options.c */
uint32 altpalette[CLR_MAX];
#endif
/* pickup.c */
int A_first_hint; /* menustyle:Full plus 'A' response + !paranoid:A */
int A_second_hint; /* menustyle:Full plus 'A' response + paranoid:A */
@@ -759,6 +764,7 @@ struct instance_globals_o {
boolean opt_need_promptstyle;
boolean opt_reset_customcolors;
boolean opt_reset_customsymbols;
boolean opt_update_basic_palette;
/* pickup.c */
int oldcap; /* last encumbrance */

5
include/extern.h
View File

@@ -325,6 +325,11 @@ extern boolean closest_color(uint32_t lcolor, uint32_t *closecolor, uint16 *clri
extern int color_distance(uint32_t, uint32_t);
extern boolean onlyhexdigits(const char *buf);
extern uint32 get_nhcolor_from_256_index(int idx);
#ifdef CHANGE_COLOR
extern int count_alt_palette(void);
extern int alternative_palette(char *);
extern void change_palette(void);
#endif
/* ### cmd.c ### */

14
include/optlist.h
View File

@@ -534,14 +534,14 @@ static int optfn_##a(int, int, boolean, char *, char *);
No, Yes, No, No, NoAlias,
"the inventory order of the items in your pack")
#ifdef CHANGE_COLOR
#ifndef WIN32
NHOPTC(palette, Advanced, 15, opt_in, set_in_game,
No, Yes, No, No, "hicolor",
"palette (00c/880/-fff is blue/yellow/reverse white)")
#ifndef MAC /* not old Mac OS9 */
NHOPTC(palette, Advanced, 15, opt_in, set_gameview,
No, Yes, Yes, No, "hicolor",
"palette (adjust an RGB color in palette (color/R-G-B)")
#else
NHOPTC(palette, Advanced, 15, opt_in, set_in_config,
No, Yes, No, No, "hicolor",
"palette (adjust an RGB color in palette (color-R-G-B)")
NHOPTC(palette, Advanced, 15, opt_in, set_in_game,
No, Yes, Yes, No, "hicolor",
"palette (00c/880/-fff is blue/yellow/reverse white)")
#endif
#endif
/* prior to paranoid_confirmation, 'prayconfirm' was a distinct option */

7
src/allmain.c
View File

@@ -667,6 +667,13 @@ init_sound_disp_gamewindows(void)
SoundAchievement(0, sa2_newgame_nosplash, 0);
}
#ifdef CHANGE_COLOR
/* init_nhwindows() has already been called, so before
creating the windows, check to see if there are any
palette entries to alter */
change_palette();
#endif
WIN_MESSAGE = create_nhwindow(NHW_MESSAGE);
if (VIA_WINDOWPORT()) {
status_initialize(0);

76
src/coloratt.c
View File

@@ -1016,4 +1016,80 @@ get_nhcolor_from_256_index(int idx)
retcolor = color_256_definitions[idx].value;
return retcolor;
}
#ifdef CHANGE_COLOR
int
count_alt_palette(void)
{
int clr, clrcount = 0;
for (clr = 0; clr < CLR_MAX; ++clr) {
if (ga.altpalette[clr] != 0U)
clrcount++;
}
return clrcount;
}
int
alternative_palette(char *op)
{
char buf[BUFSZ], *c_colorid, *c_colorval, *cp;
int reslt = 0, coloridx = CLR_MAX;
long rgb = 0L;
boolean slash = FALSE;
if (!op)
return 0;
Snprintf(buf, sizeof buf, "%s", op);
c_colorval = (char *) 0;
c_colorid = cp = buf;
while (*cp) {
if (*cp == ':' || *cp == '/') {
if (*cp == '/') {
slash = TRUE;
*cp = '\0';
}
}
cp++;
if (slash) {
c_colorval = cp;
slash = FALSE;
}
}
/* some sanity checks */
if (c_colorid && *c_colorid == ' ')
c_colorid++;
if (c_colorval && *c_colorval == ' ')
c_colorval++;
if (c_colorid)
coloridx = match_str2clr(c_colorid, TRUE);
if (c_colorval && coloridx >= 0 && coloridx < CLR_MAX) {
rgb = rgbstr_to_int32(c_colorval);
if (rgb != -1) {
ga.altpalette[coloridx] = (uint32) rgb | NH_ALTPALETTE;
/* use COLORVAL(ga.altpalette[coloridx]) to get
the actual rgb value out of ga.altpalette[] */
reslt = 1;
}
}
return reslt;
}
void
change_palette(void)
{
int clridx;
for (clridx = 0; clridx < CLR_MAX; ++clridx) {
if (ga.altpalette[clridx] != 0) {
long rgb = (long) (ga.altpalette[clridx] & ~NH_ALTPALETTE);
(*windowprocs.win_change_color)(clridx, rgb, 0);
}
}
}
#endif /* CHANGE_COLOR */
/*coloratt.c*/

6
src/decl.c
View File

@@ -210,6 +210,11 @@ static const struct instance_globals_a g_init_a = {
/* mon.c */
UNDEFINED_PTR, /* animal_list */
UNDEFINED_VALUE, /* animal_list_count */
#ifdef CHANGE_COLOR
/* options.c */
{ 0U, 0U, 0U, 0U, 0U, 0U, 0U, 0U,
0U, 0U, 0U, 0U, 0U, 0U, 0U, 0U }, /* altpalette[CLR_MAX] */
#endif
/* pickup.c */
0, /* A_first_hint */
0, /* A_second_hint */
@@ -661,6 +666,7 @@ static const struct instance_globals_o g_init_o = {
FALSE, /* opt_need_promptstyle */
FALSE, /* opt_reset_customcolors */
FALSE, /* opt_reset_customsymbols */
FALSE, /* opt_update_basic_palette */
/* pickup.c */
0, /* oldcap */
/* restore.c */

134
src/options.c
View File

@@ -315,6 +315,8 @@ static const menu_cmd_t default_menu_cmd_info[] = {
{ (char *) 0, '\0', (char *) 0 }
};
static const char n_currently_set[] = "(%d currently set)";
staticfn void nmcpy(char *, const char *, int);
staticfn void escapes(const char *, char *);
staticfn void rejectoption(const char *);
@@ -2575,57 +2577,78 @@ optfn_packorder(
}
#ifdef CHANGE_COLOR
DISABLE_WARNING_FORMAT_NONLITERAL
staticfn int
optfn_palette(
int optidx UNUSED, int req, boolean negated UNUSED,
char *opts, char *op)
{
#ifndef WIN32
int cnt, tmp, reverse;
char *pt = op;
long rgb;
#endif
if (req == do_init) {
return optn_ok;
}
if (req == do_set) {
if (op == empty_optstr)
return optn_err;
/*
Non-WIN32 variant
palette (00c/880/-fff is blue/yellow/reverse white)
WIN32 variant
palette (adjust an RGB color in palette (color-R-G-B)
*/
if (match_optname(opts, "palette", 3, TRUE)
#ifdef MAC
|| match_optname(opts, "hicolor", 3, TRUE)
#endif
) {
int color_number, color_incr;
#ifndef WIN32
if (duplicate)
complain_about_duplicate(optidx);
#endif
#ifdef MAC
if (match_optname(opts, "hicolor", 3, TRUE)) {
color_number = CLR_MAX + 4; /* HARDCODED inverse number */
color_incr = -1;
} else
#endif
{
color_number = 0;
color_incr = 1;
}
#ifdef WIN32
if (match_optname(opts, "palette", 3, TRUE)) {
/*
* palette (adjust an RGB color in palette (color/R-G-B)
*/
if (!alternative_palette(op)) {
config_error_add("Error in palette parameter '%s'", op);
return optn_err;
}
#else
if (!go.opt_initial)
go.opt_update_basic_palette = TRUE;
}
return optn_ok;
}
if (req == get_val || req == get_cnf_val) {
if (!opts)
return optn_err;
Sprintf(opts, n_currently_set, count_alt_palette());
return optn_ok;
}
return optn_ok;
}
#if 0
/* old MAC OS9 code */
staticfn int
optfn_palette(
int optidx UNUSED, int req, boolean negated UNUSED,
char *opts, char *op)
{
int cnt, tmp, reverse;
char *pt = op;
long rgb;
* Mac OS9 variant
* palette (00c/880/-fff is blue/yellow/reverse white)
*/
if (req == do_init) {
return optn_ok;
}
if (req == do_set) {
if (op == empty_optstr)
return optn_err;
if (match_optname(opts, "palette", 3, TRUE)
|| match_optname(opts, "hicolor", 3, TRUE)) {
int color_number, color_incr;
if (duplicate)
complain_about_duplicate(optidx);
if (match_optname(opts, "hicolor", 3, TRUE)) {
color_number = CLR_MAX + 4; /* HARDCODED inverse number */
color_incr = -1;
} else {
color_number = 0;
color_incr = 1;
}
/* ----------- Mac OS 9 code -------------------------*/
while (*pt && color_number >= 0) {
cnt = 3;
rgb = 0L;
@@ -2637,21 +2660,15 @@ optfn_palette(
}
while (cnt-- > 0) {
if (*pt && *pt != '/') {
#ifdef AMIGA
rgb <<= 4;
#else
rgb <<= 8;
#endif
tmp = *pt++;
if (isalpha((uchar) tmp)) {
tmp = (tmp + 9) & 0xf; /* Assumes ASCII... */
} else {
tmp &= 0xf; /* Digits in ASCII too... */
}
#ifndef AMIGA
/* Add an extra so we fill f -> ff and 0 -> 00 */
rgb += tmp << 4;
#endif
rgb += tmp;
}
}
@@ -2660,20 +2677,25 @@ optfn_palette(
change_color(color_number, rgb, reverse);
color_number += color_incr;
}
#endif /* !WIN32 */
if (!go.opt_initial) {
go.opt_need_redraw = TRUE;
}
if (!go.opt_initial)
go.opt_update_basic_palette = TRUE;
}
return optn_ok;
}
if (req == get_val || req == get_cnf_val) {
opts[0] = '\0';
Sprintf(opts, "%s", get_color_string());
if (!opts)
return optn_err;
Sprintf(opts, n_currently_set, count_alt_palette());
return optn_ok;
}
return optn_ok;
}
#endif /* 0 */
RESTORE_WARNING_FORMAT_NONLITERAL
#endif /* CHANGE_COLOR */
/* for "paranoid_confirmation:foo" and alias "[!]prayconfirm" */
@@ -6333,7 +6355,6 @@ handler_msgtype(void)
return optn_ok;
}
staticfn int
handler_versinfo(void)
{
@@ -8071,8 +8092,6 @@ fruitadd(char *str, struct fruit *replace_fruit)
*/
static const char n_currently_set[] = "(%d currently set)";
DISABLE_WARNING_FORMAT_NONLITERAL /* RESTORE is after show_menucontrols() */
staticfn int
@@ -8400,6 +8419,7 @@ doset_simple_menu(void)
go.opt_need_glyph_reset = FALSE;
go.opt_reset_customcolors = FALSE;
go.opt_reset_customsymbols = FALSE;
go.opt_update_basic_palette = FALSE;
pick_cnt = select_menu(tmpwin, PICK_ONE, &pick_list);
/* note: without the complication of a preselected entry, a PICK_ONE
menu returning pick_cnt > 0 implies exactly 1 */
@@ -8490,6 +8510,12 @@ doset_simple(void)
}
if (go.opt_need_promptstyle)
adjust_menu_promptstyle(WIN_INVEN, &iflags.menu_headings);
if (go.opt_update_basic_palette) {
#ifdef CHANGE_COLOR
change_palette();
#endif
go.opt_update_basic_palette = FALSE;
}
if (go.opt_reset_customcolors || go.opt_reset_customsymbols) {
if (go.opt_reset_customcolors)
reset_customcolors();
@@ -8745,8 +8771,14 @@ doset(void) /* changing options via menu by Per Liboriussen */
if (go.opt_need_glyph_reset) {
reset_glyphmap(gm_optionchange);
}
if (go.opt_reset_customcolors
if (go.opt_reset_customcolors || go.opt_update_basic_palette
|| go.opt_reset_customsymbols || go.opt_need_redraw) {
if (go.opt_update_basic_palette) {
#ifdef CHANGE_COLOR
change_palette();
#endif
go.opt_update_basic_palette = FALSE;
}
if (go.opt_reset_customcolors)
reset_customcolors();
if (go.opt_reset_customsymbols)

4
src/windows.c
View File

@@ -790,7 +790,7 @@ hup_cliparound(int x UNUSED, int y UNUSED)
#ifdef CHANGE_COLOR
/*ARGSUSED*/
staticfn void
hup_change_color(int color, int reverse, long rgb)
hup_change_color(int color UNUSED, long rgb UNUSED, int reverse UNUSED)
{
return;
}
@@ -798,7 +798,7 @@ hup_change_color(int color, int reverse, long rgb)
#ifdef MAC
/*ARGSUSED*/
staticfn short
hup_set_font_name(winid window, char *fontname)
hup_set_font_name(winid window UNUSED, char *fontname UNUSED)
{
return 0;
}

1
sys/unix/hints/linux.370
View File

@@ -141,6 +141,7 @@ NHCFLAGS+=-DCOMPRESS=\"/bin/gzip\" -DCOMPRESS_EXTENSION=\".gz\"
#NHCFLAGS+=-DTTY_SOUND_ESCCODES
#NHCFLAGS+=-DNO_CHRONICLE
#NHCFLAGS+=-DLIVELOG
#NHCFLAGS+=-DCHANGE_COLOR
NHCFLAGS+=-DSELF_RECOVER
ifdef WANT_WIN_CURSES
ifeq "$(HAVE_NCURSESW)" "1"

37
sys/windows/consoletty.c
View File

@@ -293,6 +293,27 @@ char erase_char, kill_char;
#define DEFTEXTCOLOR ttycolors[7]
static INPUT_RECORD bogus_key;
/*
Windows console palette:
Color Name Console Legacy RGB Values New Default RGB Values
BLACK 0,0,0 12,12,12
DARK_BLUE 0,0,128 0,55,218
DARK_GREEN 0,128,0 19,161,14
DARK_CYAN 0,128,128 58,150,221
DARK_RED 128,0,0 197,15,31
DARK_MAGENTA 128,0,128 136,23,152
DARK_YELLOW 128,128,0 193,156,0
DARK_WHITE 192,192,192 204,204,204
BRIGHT_BLACK 128,128,128 118,118,118
BRIGHT_BLUE 0,0,255 59,120,255
BRIGHT_GREEN 0,255,0 22,198,12
BRIGHT_CYAN 0,255,255 97,214,214
BRIGHT_RED 255,0,0 231,72,86
BRIGHT_MAGENTA 255,0,255 180,0,158
BRIGHT_YELLOW 255,255,0 249,241,165
WHITE 255,255,255 242,242,242
*/
#ifdef VIRTUAL_TERMINAL_SEQUENCES
long customcolors[CLR_MAX];
const char *esc_seq_colors[CLR_MAX];
@@ -1979,6 +2000,21 @@ tty_ibmgraphics_fixup(void)
#endif /* VIRTUAL_TERMINAL_SEQUENCES */
}
#ifdef CHANGE_COLOR
#ifdef NO_TERMS
void
tty_change_color(int color UNUSED, long rgb UNUSED, int reverse UNUSED)
{
}
char *
tty_get_color_string(void)
{
return ("");
}
#endif
#endif /* CHANGE_COLOR */
#ifdef PORT_DEBUG
void
win32con_debug_keystrokes(void)
@@ -3896,5 +3932,4 @@ nh340_checkinput(
}
return mode ? 0 : ch;
}
#endif /* WIN32 */

22
win/curses/cursmain.c
View File

@@ -44,8 +44,8 @@ extern glyph_info mesg_gi;
static void dummy_update_position_bar(char *);
#endif
#ifdef CHANGE_COLOR
static void dummy_change_color(int, long, int);
static char *dummy_get_color_string(void);
static void curses_change_color(int, long, int);
static char *curses_get_color_string(void);
#endif
/* Public functions for curses NetHack interface */
@@ -119,12 +119,12 @@ struct window_procs curses_procs = {
curses_number_pad,
curses_delay_output,
#ifdef CHANGE_COLOR
dummy_change_color,
curses_change_color,
#ifdef MAC /* old OS 9, not OSX */
(void (*)(int)) 0,
(short (*)(winid, char *)) 0,
#endif
dummy_get_color_string,
curses_get_color_string,
#endif
curses_start_screen,
curses_end_screen,
@@ -1278,13 +1278,21 @@ dummy_update_position_bar(char *arg UNUSED)
#ifdef CHANGE_COLOR
static void
dummy_change_color(int a1 UNUSED, long a2 UNUSED, int a3 UNUSED)
curses_change_color(int color, long rgb, int reverse UNUSED)
{
return;
short r, g, b;
if (!can_change_color())
return;
r = (rgb >> 16) & 0xFF;
g = (rgb >> 8) & 0xFF;
b = rgb & 0xFF;
init_color(color % 16, r * 4, g * 4, b * 4);
}
static char *
dummy_get_color_string(void)
curses_get_color_string(void)
{
return (char *) 0;
}

14
win/share/safeproc.c
View File

@@ -550,5 +550,19 @@ stdio_nhgetch(void)
return getchar();
}
#ifdef CHANGE_COLOR
void
safe_change_color(int color UNUSED, long rgb UNUSED, int reverse UNUSED)
{
}
char *
safe_get_color_string(void)
{
return ("");
}
#endif
/* safeprocs.c */

9
win/tty/termcap.c
View File

@@ -1495,6 +1495,15 @@ term_curs_set(int visibility)
xputs(nh_VE);
}
#ifdef CHANGE_COLOR
void
tty_change_color(int color UNUSED, long rgb UNUSED, int reverse UNUSED)
{
return;
}
#endif /* CHANGE_COLOR */
#ifndef SEP2
#define tcfmtstr "\033[38;2;%ld;%ld;%ldm"
#ifdef UNIX

16
win/tty/wintty.c
View File

@@ -803,6 +803,14 @@ tty_resume_nhwindows(void)
docrt();
}
#ifdef CHANGE_COLOR
char *
tty_get_color_string(void)
{
return (char *) 0;
}
#endif /* CHANGE_COLOR */
void
tty_exit_nhwindows(const char *str)
{
@@ -3941,6 +3949,14 @@ term_curs_set(int visibility UNUSED)
/* nothing */
}
#ifdef CHANGE_COLOR
void
tty_change_color(int color UNUSED, long rgb UNUSED, int reverse UNUSED)
{
/* nothing */
}
#endif /* CHANGE_COLOR */
#endif /* NO_TERMS */
void

6
win/win32/mswproc.c
View File

@@ -115,7 +115,7 @@ struct window_procs mswin_procs = {
mswin_nh_poskey, mswin_nhbell, mswin_doprev_message, mswin_yn_function,
mswin_getlin, mswin_get_ext_cmd, mswin_number_pad, mswin_delay_output,
#ifdef CHANGE_COLOR /* only a Mac option currently */
mswin, mswin_change_background,
mswin_change_color, mswin_get_color_string,
#endif
/* other defs that really should go away (they're tty specific) */
mswin_start_screen, mswin_end_screen, mswin_outrip,
@@ -1901,9 +1901,9 @@ mswin_delay_output(void)
}
void
mswin_change_color(void)
mswin_change_color(int color, long rgb, int reverse)
{
logDebug("mswin_change_color()\n");
logDebug("mswin_change_color(%d, %ld, %d)\n", color, rgb, reverse);
}
char *

2
win/win32/winMS.h
View File

@@ -178,7 +178,7 @@ void mswin_getlin(const char *question, char *input);
int mswin_get_ext_cmd(void);
void mswin_number_pad(int state);
void mswin_delay_output(void);
void mswin_change_color(void);
void mswin_change_color(int color, long rgb, int reverse);
char *mswin_get_color_string(void);
void mswin_start_screen(void);
void mswin_end_screen(void);