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ncurses.c
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ncurses.c
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/****************************************************************************
* Copyright (c) 1998-2018,2019 Free Software Foundation, Inc. *
* *
* Permission is hereby granted, free of charge, to any person obtaining a *
* copy of this software and associated documentation files (the *
* "Software"), to deal in the Software without restriction, including *
* without limitation the rights to use, copy, modify, merge, publish, *
* distribute, distribute with modifications, sublicense, and/or sell *
* copies of the Software, and to permit persons to whom the Software is *
* furnished to do so, subject to the following conditions: *
* *
* The above copyright notice and this permission notice shall be included *
* in all copies or substantial portions of the Software. *
* *
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS *
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF *
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. *
* IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, *
* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR *
* OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR *
* THE USE OR OTHER DEALINGS IN THE SOFTWARE. *
* *
* Except as contained in this notice, the name(s) of the above copyright *
* holders shall not be used in advertising or otherwise to promote the *
* sale, use or other dealings in this Software without prior written *
* authorization. *
****************************************************************************/
/****************************************************************************
NAME
ncurses.c --- ncurses library exerciser
SYNOPSIS
ncurses
DESCRIPTION
An interactive test module for the ncurses library.
AUTHOR
Author: Eric S. Raymond <esr@snark.thyrsus.com> 1993
Thomas E. Dickey (beginning revision 1.27 in 1996).
$Id: ncurses.c,v 1.521 2019/12/14 23:25:29 tom Exp $
***************************************************************************/
#include <test.priv.h>
#ifdef __hpux
#undef mvwdelch /* HPUX 11.23 macro will not compile */
#endif
#if HAVE_GETTIMEOFDAY
#if HAVE_SYS_TIME_H && HAVE_SYS_TIME_SELECT
#include <sys/time.h>
#endif
#if HAVE_SYS_SELECT_H
#include <sys/select.h>
#endif
#endif
#if USE_LIBPANEL
#include <panel.h>
#endif
#if USE_LIBMENU
#include <menu.h>
#endif
#if USE_LIBFORM
#include <form.h>
#endif
#ifdef NCURSES_VERSION
#define NCURSES_CONST_PARAM const void
#ifdef TRACE
static unsigned save_trace = TRACE_ORDINARY | TRACE_ICALLS | TRACE_CALLS;
#endif
#else
#define NCURSES_CONST_PARAM char
#define mmask_t chtype /* not specified in XSI */
#ifndef ACS_S3
#ifdef CURSES_ACS_ARRAY
#define ACS_S3 (CURSES_ACS_ARRAY['p']) /* scan line 3 */
#define ACS_S7 (CURSES_ACS_ARRAY['r']) /* scan line 7 */
#define ACS_LEQUAL (CURSES_ACS_ARRAY['y']) /* less/equal */
#define ACS_GEQUAL (CURSES_ACS_ARRAY['z']) /* greater/equal */
#define ACS_PI (CURSES_ACS_ARRAY['{']) /* Pi */
#define ACS_NEQUAL (CURSES_ACS_ARRAY['|']) /* not equal */
#define ACS_STERLING (CURSES_ACS_ARRAY['}']) /* UK pound sign */
#else
#define ACS_S3 (A_ALTCHARSET + 'p') /* scan line 3 */
#define ACS_S7 (A_ALTCHARSET + 'r') /* scan line 7 */
#define ACS_LEQUAL (A_ALTCHARSET + 'y') /* less/equal */
#define ACS_GEQUAL (A_ALTCHARSET + 'z') /* greater/equal */
#define ACS_PI (A_ALTCHARSET + '{') /* Pi */
#define ACS_NEQUAL (A_ALTCHARSET + '|') /* not equal */
#define ACS_STERLING (A_ALTCHARSET + '}') /* UK pound sign */
#endif
#endif /* ACS_S3 */
#ifndef WACS_S3
#ifdef CURSES_WACS_ARRAY
#define WACS_S3 (&(CURSES_WACS_ARRAY['p'])) /* scan line 3 */
#define WACS_S7 (&(CURSES_WACS_ARRAY['r'])) /* scan line 7 */
#define WACS_LEQUAL (&(CURSES_WACS_ARRAY['y'])) /* less/equal */
#define WACS_GEQUAL (&(CURSES_WACS_ARRAY['z'])) /* greater/equal */
#define WACS_PI (&(CURSES_WACS_ARRAY['{'])) /* Pi */
#define WACS_NEQUAL (&(CURSES_WACS_ARRAY['|'])) /* not equal */
#define WACS_STERLING (&(CURSES_WACS_ARRAY['}'])) /* UK pound sign */
#endif
#endif
#endif
#if HAVE_WCSRTOMBS
#define count_wchars(src, len, state) wcsrtombs(0, &src, len, state)
#define trans_wchars(dst, src, len, state) wcsrtombs(dst, &src, len, state)
#define reset_wchars(state) init_mb(state)
#elif HAVE_WCSTOMBS && HAVE_MBTOWC && HAVE_MBLEN
#define count_wchars(src, len, state) wcstombs(0, src, len)
#define trans_wchars(dst, src, len, state) wcstombs(dst, src, len)
#define reset_wchars(state) IGNORE_RC(mblen(NULL, 0)), IGNORE_RC(mbtowc(NULL, NULL, 0))
#define state_unused
#endif
#if HAVE_MBSRTOWCS
#define count_mbytes(src, len, state) mbsrtowcs(0, &src, len, state)
#define trans_mbytes(dst, src, len, state) mbsrtowcs(dst, &src, len, state)
#define reset_mbytes(state) init_mb(state)
#elif HAVE_MBSTOWCS && HAVE_MBTOWC && HAVE_MBLEN
#define count_mbytes(src, len, state) mbstowcs(0, src, len)
#define trans_mbytes(dst, src, len, state) mbstowcs(dst, src, len)
#define reset_mbytes(state) IGNORE_RC(mblen(NULL, 0)), IGNORE_RC(mbtowc(NULL, NULL, 0))
#define state_unused
#endif
#define ToggleAcs(temp,real) temp = ((temp == real) ? NULL : real)
#define P(string) printw("%s\n", string)
#define BLANK ' ' /* this is the background character */
static int MaxColors; /* the actual number of colors we'll use */
static int MinColors; /* the minimum color code */
static bool UseColors; /* true if we use colors */
#undef max_pairs
static int max_pairs; /* ...and the number of color pairs */
#if HAVE_COLOR_CONTENT
typedef struct {
NCURSES_COLOR_T red;
NCURSES_COLOR_T green;
NCURSES_COLOR_T blue;
} RGB_DATA;
static RGB_DATA *all_colors;
#endif
static void main_menu(bool);
static void failed(const char *s) GCC_NORETURN;
static void
failed(const char *s)
{
perror(s);
endwin();
ExitProgram(EXIT_FAILURE);
}
static void
Repaint(void)
{
touchwin(stdscr);
#if HAVE_CURSCR
touchwin(curscr);
wrefresh(curscr);
#else
wrefresh(stdscr);
#endif
}
static bool
isQuit(int c, bool escape)
{
return ((c) == QUIT || (escape && ((c) == ESCAPE)));
}
#define case_QUIT QUIT: case ESCAPE
/* Common function to allow ^T to toggle trace-mode in the middle of a test
* so that trace-files can be made smaller.
*/
static int
wGetchar(WINDOW *win)
{
int c;
#ifdef TRACE
while ((c = wgetch(win)) == CTRL('T')) {
if (_nc_tracing) {
save_trace = _nc_tracing;
Trace(("TOGGLE-TRACING OFF"));
_nc_tracing = 0;
} else {
_nc_tracing = save_trace;
}
curses_trace(_nc_tracing);
if (_nc_tracing)
Trace(("TOGGLE-TRACING ON"));
}
#else
c = wgetch(win);
#endif
return c;
}
#define Getchar() wGetchar(stdscr)
#if USE_SOFTKEYS
/* replaces wgetnstr(), since we want to be able to edit values */
static void
wGetstring(WINDOW *win, char *buffer, int limit)
{
int y0, x0, x;
bool done = FALSE;
echo();
getyx(win, y0, x0);
(void) wattrset(win, A_REVERSE);
x = (int) strlen(buffer);
while (!done) {
int ch;
if (x > (int) strlen(buffer))
x = (int) strlen(buffer);
wmove(win, y0, x0);
wprintw(win, "%-*s", limit, buffer);
wmove(win, y0, x0 + x);
switch (ch = wGetchar(win)) {
case '\n':
case KEY_ENTER:
done = TRUE;
break;
case CTRL('U'):
*buffer = '\0';
break;
case '\b':
case KEY_BACKSPACE:
case KEY_DC:
if (x > 0) {
int j;
for (j = --x; (buffer[j] = buffer[j + 1]) != '\0'; ++j) {
;
}
} else {
beep();
}
break;
case KEY_LEFT:
if (x > 0) {
--x;
} else {
flash();
}
break;
case KEY_RIGHT:
++x;
break;
default:
if (!isprint(ch) || ch >= KEY_MIN) {
beep();
} else if ((int) strlen(buffer) < limit) {
int j;
for (j = (int) strlen(buffer) + 1; j > x; --j) {
buffer[j] = buffer[j - 1];
}
buffer[x++] = (char) ch;
} else {
flash();
}
}
}
wattroff(win, A_REVERSE);
wmove(win, y0, x0);
noecho();
}
#endif
#if USE_WIDEC_SUPPORT
static wchar_t
fullwidth_digit(int ch)
{
return (wchar_t) (ch + 0xff10 - '0');
}
static void
make_fullwidth_text(wchar_t *target, const char *source)
{
int ch;
while ((ch = *source++) != 0) {
*target++ = fullwidth_digit(ch);
}
*target = 0;
}
static void
make_narrow_text(wchar_t *target, const char *source)
{
int ch;
while ((ch = *source++) != 0) {
*target++ = (wchar_t) ch;
}
*target = 0;
}
#if USE_LIBPANEL
static void
make_fullwidth_digit(cchar_t *target, int digit)
{
wchar_t source[2];
source[0] = fullwidth_digit(digit + '0');
source[1] = 0;
setcchar(target, source, A_NORMAL, 0, 0);
}
#endif
static int
wGet_wchar(WINDOW *win, wint_t *result)
{
int c;
#ifdef TRACE
while ((c = wget_wch(win, result)) == CTRL('T')) {
if (_nc_tracing) {
save_trace = _nc_tracing;
Trace(("TOGGLE-TRACING OFF"));
_nc_tracing = 0;
} else {
_nc_tracing = save_trace;
}
curses_trace(_nc_tracing);
if (_nc_tracing)
Trace(("TOGGLE-TRACING ON"));
}
#else
c = wget_wch(win, result);
#endif
return c;
}
#define Get_wchar(result) wGet_wchar(stdscr, result)
/* replaces wgetn_wstr(), since we want to be able to edit values */
#if USE_SOFTKEYS
static void
wGet_wstring(WINDOW *win, wchar_t *buffer, int limit)
{
int y0, x0, x;
wint_t ch;
bool done = FALSE;
bool fkey = FALSE;
echo();
getyx(win, y0, x0);
(void) wattrset(win, A_REVERSE);
x = (int) wcslen(buffer);
while (!done) {
if (x > (int) wcslen(buffer))
x = (int) wcslen(buffer);
/* clear the "window' */
wmove(win, y0, x0);
wprintw(win, "%*s", limit, " ");
/* write the existing buffer contents */
wmove(win, y0, x0);
waddnwstr(win, buffer, limit);
/* positions the cursor past character 'x' */
wmove(win, y0, x0);
waddnwstr(win, buffer, x);
switch (wGet_wchar(win, &ch)) {
case KEY_CODE_YES:
fkey = TRUE;
switch (ch) {
case KEY_ENTER:
ch = '\n';
fkey = FALSE;
break;
case KEY_BACKSPACE:
case KEY_DC:
ch = '\b';
fkey = FALSE;
break;
case KEY_LEFT:
case KEY_RIGHT:
break;
default:
ch = (wint_t) -1;
break;
}
break;
case OK:
fkey = FALSE;
break;
default:
ch = (wint_t) -1;
fkey = TRUE;
break;
}
switch (ch) {
case '\n':
done = TRUE;
break;
case CTRL('U'):
*buffer = '\0';
break;
case '\b':
if (x > 0) {
int j;
for (j = --x; (buffer[j] = buffer[j + 1]) != '\0'; ++j) {
;
}
} else {
beep();
}
break;
case KEY_LEFT:
if (x > 0) {
--x;
} else {
beep();
}
break;
case KEY_RIGHT:
++x;
break;
default:
if (fkey) {
beep();
} else if ((int) wcslen(buffer) < limit) {
int j;
for (j = (int) wcslen(buffer) + 1; j > x; --j) {
buffer[j] = buffer[j - 1];
}
buffer[x++] = (wchar_t) ch;
} else {
beep();
}
}
}
wattroff(win, A_REVERSE);
wmove(win, y0, x0);
noecho();
}
#endif /* USE_SOFTKEYS */
#endif /* USE_WIDEC_SUPPORT */
static void
Pause(void)
{
move(LINES - 1, 0);
addstr("Press any key to continue... ");
(void) Getchar();
}
static void
Cannot(const char *what)
{
printw("\nThis %s terminal %s\n\n", getenv("TERM"), what);
Pause();
endwin();
}
static void
ShellOut(bool message)
{
if (message)
addstr("Shelling out...");
def_prog_mode();
endwin();
#ifdef _WIN32
system("cmd.exe");
#else
IGNORE_RC(system("sh"));
#endif
if (message)
addstr("returned from shellout.\n");
refresh();
}
#ifdef NCURSES_MOUSE_VERSION
/*
* This function is the same as _tracemouse(), but we cannot count on that
* being available in the non-debug library.
*/
static const char *
mouse_decode(MEVENT const *ep)
{
static char buf[80 + (5 * 10) + (32 * 15)];
(void) _nc_SPRINTF(buf, _nc_SLIMIT(sizeof(buf))
"id %2d at (%2d, %2d, %d) state %4lx = {",
ep->id, ep->x, ep->y, ep->z, (unsigned long) ep->bstate);
#define SHOW(m, s) \
if ((ep->bstate & m)==m) { \
_nc_STRCAT(buf, s, sizeof(buf)); \
_nc_STRCAT(buf, ", ", sizeof(buf)); \
}
SHOW(BUTTON1_RELEASED, "release-1");
SHOW(BUTTON1_PRESSED, "press-1");
SHOW(BUTTON1_CLICKED, "click-1");
SHOW(BUTTON1_DOUBLE_CLICKED, "doubleclick-1");
SHOW(BUTTON1_TRIPLE_CLICKED, "tripleclick-1");
#if NCURSES_MOUSE_VERSION == 1
SHOW(BUTTON1_RESERVED_EVENT, "reserved-1");
#endif
SHOW(BUTTON2_RELEASED, "release-2");
SHOW(BUTTON2_PRESSED, "press-2");
SHOW(BUTTON2_CLICKED, "click-2");
SHOW(BUTTON2_DOUBLE_CLICKED, "doubleclick-2");
SHOW(BUTTON2_TRIPLE_CLICKED, "tripleclick-2");
#if NCURSES_MOUSE_VERSION == 1
SHOW(BUTTON2_RESERVED_EVENT, "reserved-2");
#endif
SHOW(BUTTON3_RELEASED, "release-3");
SHOW(BUTTON3_PRESSED, "press-3");
SHOW(BUTTON3_CLICKED, "click-3");
SHOW(BUTTON3_DOUBLE_CLICKED, "doubleclick-3");
SHOW(BUTTON3_TRIPLE_CLICKED, "tripleclick-3");
#if NCURSES_MOUSE_VERSION == 1
SHOW(BUTTON3_RESERVED_EVENT, "reserved-3");
#endif
SHOW(BUTTON4_RELEASED, "release-4");
SHOW(BUTTON4_PRESSED, "press-4");
SHOW(BUTTON4_CLICKED, "click-4");
SHOW(BUTTON4_DOUBLE_CLICKED, "doubleclick-4");
SHOW(BUTTON4_TRIPLE_CLICKED, "tripleclick-4");
#if NCURSES_MOUSE_VERSION == 1
SHOW(BUTTON4_RESERVED_EVENT, "reserved-4");
#endif
#if NCURSES_MOUSE_VERSION == 2
SHOW(BUTTON5_RELEASED, "release-5");
SHOW(BUTTON5_PRESSED, "press-5");
SHOW(BUTTON5_CLICKED, "click-5");
SHOW(BUTTON5_DOUBLE_CLICKED, "doubleclick-5");
SHOW(BUTTON5_TRIPLE_CLICKED, "tripleclick-5");
#endif
SHOW(BUTTON_CTRL, "ctrl");
SHOW(BUTTON_SHIFT, "shift");
SHOW(BUTTON_ALT, "alt");
SHOW(ALL_MOUSE_EVENTS, "all-events");
SHOW(REPORT_MOUSE_POSITION, "position");
#undef SHOW
if (buf[strlen(buf) - 1] == ' ')
buf[strlen(buf) - 2] = '\0';
_nc_STRCAT(buf, "}", sizeof(buf));
return (buf);
}
static void
show_mouse(WINDOW *win)
{
MEVENT event;
bool outside;
bool show_loc;
getmouse(&event);
outside = !wenclose(win, event.y, event.x);
if (outside) {
(void) wstandout(win);
waddstr(win, "KEY_MOUSE");
(void) wstandend(win);
} else {
waddstr(win, "KEY_MOUSE");
}
wprintw(win, ", %s", mouse_decode(&event));
if (outside)
win = stdscr;
show_loc = wmouse_trafo(win, &event.y, &event.x, FALSE);
if (show_loc) {
int y, x;
getyx(win, y, x);
wmove(win, event.y, event.x);
waddch(win, '*');
wmove(win, y, x);
}
if (outside)
wnoutrefresh(win);
}
#endif /* NCURSES_MOUSE_VERSION */
/****************************************************************************
*
* Character input test
*
****************************************************************************/
#define NUM_GETCH_FLAGS 256
typedef bool GetchFlags[NUM_GETCH_FLAGS];
static void
setup_getch(WINDOW *win, GetchFlags flags)
{
keypad(win, flags['k']); /* should be redundant, but for testing */
meta(win, flags['m']); /* force this to a known state */
if (flags['e'])
echo();
else
noecho();
}
static void
init_getch(WINDOW *win, GetchFlags flags, int delay)
{
memset(flags, FALSE, NUM_GETCH_FLAGS);
flags[UChar('k')] = (win == stdscr);
flags[UChar('m')] = TRUE;
flags[UChar('t')] = (delay != 0);
setup_getch(win, flags);
}
static bool
blocking_getch(GetchFlags flags, int delay)
{
return ((delay < 0) && flags['t']);
}
#define ExitOnEscape() (flags[UChar('k')] && flags[UChar('t')])
static void
wgetch_help(WINDOW *win, GetchFlags flags)
{
static const char *help[] =
{
"e -- toggle echo mode"
,"g -- triggers a getstr test"
,"k -- toggle keypad/literal mode"
,"m -- toggle meta (7-bit/8-bit) mode"
,"^q -- quit"
,"s -- shell out"
,"t -- toggle timeout"
,"w -- create a new window"
#ifdef SIGTSTP
,"z -- suspend this process"
#endif
};
int y, x;
unsigned chk = ((SIZEOF(help) + 1) / 2);
unsigned n;
getyx(win, y, x);
move(0, 0);
printw("Type any key to see its %s value. Also:\n",
flags['k'] ? "keypad" : "literal");
for (n = 0; n < SIZEOF(help); ++n) {
const char *msg = help[n];
int row = 1 + (int) (n % chk);
int col = (n >= chk) ? COLS / 2 : 0;
int flg = ((strstr(msg, "toggle") != 0)
&& (flags[UChar(*msg)] != FALSE));
if (*msg == '^' && ExitOnEscape())
msg = "^[,^q -- quit";
if (flg)
(void) standout();
MvPrintw(row, col, "%s", msg);
if (col == 0)
clrtoeol();
if (flg)
(void) standend();
}
wrefresh(stdscr);
wmove(win, y, x);
}
static void
wgetch_wrap(WINDOW *win, int first_y)
{
int last_y = getmaxy(win) - 1;
int y = getcury(win) + 1;
if (y >= last_y)
y = first_y;
wmove(win, y, 0);
wclrtoeol(win);
}
#if defined(KEY_RESIZE) && HAVE_WRESIZE
typedef struct {
WINDOW *text;
WINDOW *frame;
} WINSTACK;
static WINSTACK *winstack = 0;
static unsigned len_winstack = 0;
static void
forget_boxes(void)
{
if (winstack != 0) {
free(winstack);
}
winstack = 0;
len_winstack = 0;
}
static void
remember_boxes(unsigned level, WINDOW *txt_win, WINDOW *box_win)
{
unsigned need = (level + 1) * 2;
assert(level < (unsigned) COLS);
if (winstack == 0) {
len_winstack = 20;
winstack = typeMalloc(WINSTACK, len_winstack);
} else if (need >= len_winstack) {
len_winstack = need;
winstack = typeRealloc(WINSTACK, len_winstack, winstack);
}
if (!winstack)
failed("remember_boxes");
winstack[level].text = txt_win;
winstack[level].frame = box_win;
}
#if USE_SOFTKEYS && (defined(NCURSES_VERSION_PATCH) && NCURSES_VERSION_PATCH < 20071229) && NCURSES_EXT_FUNCS
static void
slk_repaint(void)
{
/* this chunk is now done in resize_term() */
slk_touch();
slk_clear();
slk_noutrefresh();
}
#else
#define slk_repaint() /* nothing */
#endif
#if defined(NCURSES_VERSION) && defined(KEY_RESIZE) && HAVE_WRESIZE
/*
* For wgetch_test(), we create pairs of windows - one for a box, one for text.
* Resize both and paint the box in the parent.
*/
static void
resize_boxes(unsigned level, WINDOW *win)
{
unsigned n;
int base = 5;
int high = LINES - base;
int wide = COLS;
touchwin(stdscr);
wnoutrefresh(stdscr);
slk_repaint();
for (n = 0; n < level; ++n) {
wresize(winstack[n].frame, high, wide);
wresize(winstack[n].text, high - 2, wide - 2);
high -= 2;
wide -= 2;
werase(winstack[n].text);
box(winstack[n].frame, 0, 0);
wnoutrefresh(winstack[n].frame);
wprintw(winstack[n].text,
"size %dx%d\n",
getmaxy(winstack[n].text),
getmaxx(winstack[n].text));
wnoutrefresh(winstack[n].text);
if (winstack[n].text == win)
break;
}
doupdate();
}
#endif /* resize_boxes */
#else
#define forget_boxes() /* nothing */
#define remember_boxes(level,text,frame) /* nothing */
#endif
/*
* Return-code is OK/ERR or a keyname.
*/
static const char *
ok_keyname(int code)
{
return ((code == OK) ? "OK" : ((code == ERR) ? "ERR" : keyname(code)));
}
static void
wgetch_test(unsigned level, WINDOW *win, int delay)
{
char buf[BUFSIZ];
int first_y, first_x;
int incount = 0;
GetchFlags flags;
init_getch(win, flags, delay);
notimeout(win, FALSE);
wtimeout(win, delay);
getyx(win, first_y, first_x);
wgetch_help(win, flags);
wsetscrreg(win, first_y, getmaxy(win) - 1);
scrollok(win, TRUE);
for (;;) {
int c;
while ((c = wGetchar(win)) == ERR) {
incount++;
if (blocking_getch(flags, delay)) {
(void) wprintw(win, "%05d: input error", incount);
break;
} else {
(void) wprintw(win, "%05d: input timed out", incount);
}
wgetch_wrap(win, first_y);
}
if (c == ERR && blocking_getch(flags, delay)) {
wprintw(win, "ERR");
wgetch_wrap(win, first_y);
} else if (isQuit(c, ExitOnEscape())) {
break;
} else if (c == 'e') {
flags[UChar('e')] = !flags[UChar('e')];
setup_getch(win, flags);
wgetch_help(win, flags);
} else if (c == 'g') {
waddstr(win, "getstr test: ");
echo();
c = wgetnstr(win, buf, sizeof(buf) - 1);
noecho();
wprintw(win, "I saw %d characters:\n\t`%s' (%s).",
(int) strlen(buf), buf,
ok_keyname(c));
wclrtoeol(win);
wgetch_wrap(win, first_y);
} else if (c == 'k') {
flags[UChar('k')] = !flags[UChar('k')];
setup_getch(win, flags);
wgetch_help(win, flags);
} else if (c == 'm') {
flags[UChar('m')] = !flags[UChar('m')];
setup_getch(win, flags);
wgetch_help(win, flags);
} else if (c == 's') {
ShellOut(TRUE);
} else if (c == 't') {
notimeout(win, flags[UChar('t')]);
flags[UChar('t')] = !flags[UChar('t')];
wgetch_help(win, flags);
} else if (c == 'w') {
int high = getmaxy(win) - 1 - first_y + 1;
int wide = getmaxx(win) - first_x;
int old_y, old_x;
int new_y = first_y + getbegy(win);
int new_x = first_x + getbegx(win);
getyx(win, old_y, old_x);
if (high > 2 && wide > 2) {
WINDOW *wb = newwin(high, wide, new_y, new_x);
WINDOW *wi = newwin(high - 2, wide - 2, new_y + 1, new_x + 1);
box(wb, 0, 0);
wrefresh(wb);
wmove(wi, 0, 0);
remember_boxes(level, wi, wb);
wgetch_test(level + 1, wi, delay);
delwin(wi);
delwin(wb);
wgetch_help(win, flags);
wmove(win, old_y, old_x);
touchwin(win);
wrefresh(win);
doupdate();
}
#ifdef SIGTSTP
} else if (c == 'z') {
kill(getpid(), SIGTSTP);
#endif
} else {
wprintw(win, "Key pressed: %04o ", c);
#ifdef NCURSES_MOUSE_VERSION
if (c == KEY_MOUSE) {
show_mouse(win);
} else
#endif /* NCURSES_MOUSE_VERSION */
if (c >= KEY_MIN) {
#if defined(NCURSES_VERSION) && defined(KEY_RESIZE) && HAVE_WRESIZE
if (c == KEY_RESIZE) {
resize_boxes(level, win);
}
#endif
(void) waddstr(win, keyname(c));
} else if (c >= 0x80) {
unsigned c2 = (unsigned) c;
#if !(defined(NCURSES_VERSION) || defined(_XOPEN_CURSES))
/* at least Solaris SVR4 curses breaks unctrl(128), etc. */
c2 &= 0x7f;
#endif
if (isprint(c))
(void) wprintw(win, "%c", UChar(c));
else if (c2 != UChar(c))
(void) wprintw(win, "M-%s", unctrl(c2));
else
(void) wprintw(win, "%s", unctrl(c2));
waddstr(win, " (high-half character)");
} else {
if (isprint(c))
(void) wprintw(win, "%c (ASCII printable character)", c);
else
(void) wprintw(win, "%s (ASCII control character)",
unctrl(UChar(c)));
}
wgetch_wrap(win, first_y);
}
}
wtimeout(win, -1);
if (!level)
init_getch(win, flags, delay);
}
static int
begin_getch_test(void)
{
char buf[BUFSIZ];
int delay;
refresh();
#ifdef NCURSES_MOUSE_VERSION
mousemask(ALL_MOUSE_EVENTS | REPORT_MOUSE_POSITION, (mmask_t *) 0);
#endif
(void) printw("Delay in 10ths of a second (<CR> for blocking input)? ");
echo();
getnstr(buf, sizeof(buf) - 1);
noecho();
nonl();
if (isdigit(UChar(buf[0]))) {
delay = atoi(buf) * 100;
} else {
delay = -1;
}
raw();
move(6, 0);
return delay;
}
static void
finish_getch_test(void)
{
#ifdef NCURSES_MOUSE_VERSION
mousemask(0, (mmask_t *) 0);
#endif
erase();
noraw();
nl();
endwin();
}
static int
getch_test(bool recur GCC_UNUSED)
{
int delay = begin_getch_test();
slk_restore();
wgetch_test(0, stdscr, delay);