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freebsd-dev/contrib/ncurses/test/ncurses.c
Peter Wemm 7a69bbfb27 Import ncurses-5.2-20010512 onto the vendor branch 
Obtained from: ftp://dickey.his.com/ncurses/
2001-05-17 08:21:06 +00:00

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/****************************************************************************
* Copyright (c) 1998,1999,2000 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
$Id: ncurses.c,v 1.143 2001/05/12 23:49:04 tom Exp $
***************************************************************************/
#include <test.priv.h>
#include <stdio.h>
#include <ctype.h>
#include <string.h>
#include <assert.h>
#include <signal.h>
#if HAVE_LOCALE_H
#include <locale.h>
#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 HAVE_PANEL_H
#define USE_LIBPANEL 1
#include <panel.h>
#else
#define USE_LIBPANEL 0
#endif
#if HAVE_MENU_H && HAVE_LIBMENU
#define USE_LIBMENU 1
#include <menu.h>
#else
#define USE_LIBMENU 0
#endif
#if HAVE_FORM_H && HAVE_LIBFORM
#define USE_LIBFORM 1
#include <form.h>
#else
#define USE_LIBFORM 0
#endif
#ifdef NCURSES_VERSION
#ifdef TRACE
static int save_trace = TRACE_ORDINARY | TRACE_CALLS;
extern int _nc_tracing;
#endif
#if !defined(HAVE_NAPMS)
#define HAVE_NAPMS 1
#endif
#else
#define mmask_t chtype /* not specified in XSI */
#define attr_t chtype /* not specified in XSI */
#define ACS_S3 (acs_map['p']) /* scan line 3 */
#define ACS_S7 (acs_map['r']) /* scan line 7 */
#define ACS_LEQUAL (acs_map['y']) /* less/equal */
#define ACS_GEQUAL (acs_map['z']) /* greater/equal */
#define ACS_PI (acs_map['{']) /* Pi */
#define ACS_NEQUAL (acs_map['|']) /* not equal */
#define ACS_STERLING (acs_map['}']) /* UK pound sign */
#endif
#define P(string) printw("%s\n", string)
#ifndef CTRL
#define CTRL(x) ((x) & 0x1f)
#endif
#define QUIT CTRL('Q')
#define ESCAPE CTRL('[')
#define BLANK ' ' /* this is the background character */
static int max_colors; /* the actual number of colors we'll use */
static int max_pairs; /* ...and the number of color pairs */
/* The behavior of mvhline, mvvline for negative/zero length is unspecified,
* though we can rely on negative x/y values to stop the macro.
*/
static void
do_h_line(int y, int x, chtype c, int to)
{
if ((to) > (x))
mvhline(y, x, c, (to) - (x));
}
static void
do_v_line(int y, int x, chtype c, int to)
{
if ((to) > (y))
mvvline(y, x, c, (to) - (y));
}
/* 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;
_tracef("TOGGLE-TRACING OFF");
_nc_tracing = 0;
} else {
_nc_tracing = save_trace;
}
trace(_nc_tracing);
if (_nc_tracing)
_tracef("TOGGLE-TRACING ON");
}
#else
c = wgetch(win);
#endif
return c;
}
#define Getchar() wGetchar(stdscr)
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();
}
static void
ShellOut(bool message)
{
if (message)
addstr("Shelling out...");
def_prog_mode();
endwin();
system("sh");
if (message)
addstr("returned from shellout.\n");
refresh();
}
#ifdef NCURSES_MOUSE_VERSION
static const char *
mouse_decode(MEVENT const *ep)
{
static char buf[80];
(void) sprintf(buf, "id %2d at (%2d, %2d, %2d) state %4lx = {",
ep->id, ep->x, ep->y, ep->z, ep->bstate);
#define SHOW(m, s) if ((ep->bstate & m)==m) {strcat(buf,s); strcat(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");
SHOW(BUTTON1_RESERVED_EVENT, "reserved-1");
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");
SHOW(BUTTON2_RESERVED_EVENT, "reserved-2");
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");
SHOW(BUTTON3_RESERVED_EVENT, "reserved-3");
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");
SHOW(BUTTON4_RESERVED_EVENT, "reserved-4");
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';
(void) strcat(buf, "}");
return (buf);
}
#endif /* NCURSES_MOUSE_VERSION */
/****************************************************************************
*
* Character input test
*
****************************************************************************/
static void
getch_test(void)
/* test the keypad feature */
{
char buf[BUFSIZ];
int c;
int incount = 0, firsttime = 0;
bool blocking = TRUE;
int y;
refresh();
#ifdef NCURSES_MOUSE_VERSION
mousemask(ALL_MOUSE_EVENTS, (mmask_t *) 0);
#endif
(void) printw("Delay in 10ths of a second (<CR> for blocking input)? ");
echo();
getstr(buf);
noecho();
nonl();
if (isdigit(CharOf(buf[0]))) {
timeout(atoi(buf) * 100);
blocking = FALSE;
}
c = '?';
raw();
for (;;) {
if (firsttime++) {
printw("Key pressed: %04o ", c);
#ifdef NCURSES_MOUSE_VERSION
if (c == KEY_MOUSE) {
MEVENT event;
getmouse(&event);
printw("KEY_MOUSE, %s\n", mouse_decode(&event));
} else
#endif /* NCURSES_MOUSE_VERSION */
if (c >= KEY_MIN) {
(void) addstr(keyname(c));
addch('\n');
} else if (c > 0x80) {
int c2 = (c & 0x7f);
if (isprint(c2))
(void) printw("M-%c", c2);
else
(void) printw("M-%s", unctrl(c2));
addstr(" (high-half character)\n");
} else {
if (isprint(c))
(void) printw("%c (ASCII printable character)\n", c);
else
(void) printw("%s (ASCII control character)\n", unctrl(c));
}
y = getcury(stdscr);
if (y >= LINES - 1)
move(0, 0);
clrtoeol();
}
if (c == 'g') {
addstr("getstr test: ");
echo();
getstr(buf);
noecho();
printw("I saw `%s'.\n", buf);
}
if (c == 's') {
ShellOut(TRUE);
}
if (c == 'x' || c == 'q' || (c == ERR && blocking))
break;
if (c == '?') {
addstr("Type any key to see its keypad value. Also:\n");
addstr("g -- triggers a getstr test\n");
addstr("s -- shell out\n");
addstr("q -- quit\n");
addstr("? -- repeats this help message\n");
}
while ((c = Getchar()) == ERR)
if (!blocking)
(void) printw("%05d: input timed out\n", incount++);
else {
(void) printw("%05d: input error\n", incount++);
break;
}
}
#ifdef NCURSES_MOUSE_VERSION
mousemask(0, (mmask_t *) 0);
#endif
timeout(-1);
erase();
noraw();
nl();
endwin();
}
static int
show_attr(int row, int skip, chtype attr, const char *name)
{
static const char *string = "abcde fghij klmno pqrst uvwxy z";
int ncv = tigetnum("ncv");
mvprintw(row, 8, "%s mode:", name);
mvprintw(row, 24, "|");
if (skip)
printw("%*s", skip, " ");
attrset(attr);
/*
* If we're to write a string in the alternate character set, it is not
* sufficient to just set A_ALTCHARSET. We have to perform the mapping
* that corresponds. This is not needed for vt100-compatible devices
* because the acs_map[] is 1:1, but for PC-style devices such as Linux
* console, the acs_map[] is scattered about the range.
*
* The addch/addstr functions do not themselves do this mapping, since it
* is possible to turn off the A_ALTCHARSET flag for the characters which
* are added, and it would be an unexpected result to have the mapped
* characters visible on the screen.
*
* This example works because the indices into acs_map[] are mostly from
* the lowercase characters.
*/
if (attr & A_ALTCHARSET) {
const char *s = string;
while (*s) {
int ch = *s++;
if ((ch = acs_map[ch]) == 0)
ch = ' ';
addch(ch);
}
} else {
addstr(string);
}
attroff(attr);
if (skip)
printw("%*s", skip, " ");
printw("|");
if (attr != A_NORMAL) {
if (!(termattrs() & attr)) {
printw(" (N/A)");
} else if (ncv > 0 && (getbkgd(stdscr) & A_COLOR)) {
static const attr_t table[] =
{
A_STANDOUT,
A_UNDERLINE,
A_REVERSE,
A_BLINK,
A_DIM,
A_BOLD,
A_INVIS,
A_PROTECT,
A_ALTCHARSET
};
unsigned n;
bool found = FALSE;
for (n = 0; n < SIZEOF(table); n++) {
if ((table[n] & attr) != 0
&& ((1 << n) & ncv) != 0) {
found = TRUE;
break;
}
}
if (found)
printw(" (NCV)");
}
}
return row + 2;
}
static bool
attr_getc(int *skip, int *fg, int *bg, int *ac)
{
int ch = Getchar();
if (isdigit(ch)) {
*skip = (ch - '0');
} else if (ch == CTRL('L')) {
touchwin(stdscr);
touchwin(curscr);
} else if (has_colors()) {
switch (ch) {
case 'a':
*ac = 0;
break;
case 'A':
*ac = A_ALTCHARSET;
break;
case 'f':
*fg = (*fg + 1);
break;
case 'F':
*fg = (*fg - 1);
break;
case 'b':
*bg = (*bg + 1);
break;
case 'B':
*bg = (*bg - 1);
break;
default:
return FALSE;
}
if (*fg >= max_colors)
*fg = 0;
if (*fg < 0)
*fg = max_colors - 1;
if (*bg >= max_colors)
*bg = 0;
if (*bg < 0)
*bg = max_colors - 1;
} else {
switch (ch) {
case 'a':
*ac = 0;
break;
case 'A':
*ac = A_ALTCHARSET;
break;
default:
return FALSE;
}
}
return TRUE;
}
static void
attr_test(void)
/* test text attributes */
{
int n;
int skip = tigetnum("xmc");
int fg = COLOR_BLACK; /* color pair 0 is special */
int bg = COLOR_BLACK;
int ac = 0;
bool *pairs = (bool *) calloc(max_pairs, sizeof(bool));
pairs[0] = TRUE;
if (skip < 0)
skip = 0;
n = skip; /* make it easy */
do {
int row = 2;
int normal = A_NORMAL | BLANK;
if (has_colors()) {
int pair = (fg * max_colors) + bg;
if (!pairs[pair]) {
init_pair(pair, fg, bg);
pairs[pair] = TRUE;
}
normal |= COLOR_PAIR(pair);
}
bkgdset(normal);
erase();
mvaddstr(0, 20, "Character attribute test display");
row = show_attr(row, n, ac | A_STANDOUT, "STANDOUT");
row = show_attr(row, n, ac | A_REVERSE, "REVERSE");
row = show_attr(row, n, ac | A_BOLD, "BOLD");
row = show_attr(row, n, ac | A_UNDERLINE, "UNDERLINE");
row = show_attr(row, n, ac | A_DIM, "DIM");
row = show_attr(row, n, ac | A_BLINK, "BLINK");
row = show_attr(row, n, ac | A_PROTECT, "PROTECT");
row = show_attr(row, n, ac | A_INVIS, "INVISIBLE");
row = show_attr(row, n, ac | A_NORMAL, "NORMAL");
mvprintw(row, 8,
"This terminal does %shave the magic-cookie glitch",
tigetnum("xmc") > -1 ? "" : "not ");
mvprintw(row + 1, 8,
"Enter a digit to set gaps on each side of displayed attributes");
mvprintw(row + 2, 8,
"^L = repaint");
if (has_colors())
printw(". f/F/b/F toggle colors (now %d/%d), a/A altcharset (%d)",
fg, bg, ac != 0);
else
printw(". a/A altcharset (%d)", ac != 0);
refresh();
} while (attr_getc(&n, &fg, &bg, &ac));
free((char *) pairs);
bkgdset(A_NORMAL | BLANK);
erase();
endwin();
}
/****************************************************************************
*
* Color support tests
*
****************************************************************************/
static NCURSES_CONST char *color_names[] =
{
"black",
"red",
"green",
"yellow",
"blue",
"magenta",
"cyan",
"white",
"BLACK",
"RED",
"GREEN",
"YELLOW",
"BLUE",
"MAGENTA",
"CYAN",
"WHITE"
};
static void
show_color_name(int y, int x, int color)
{
if (max_colors > 8)
mvprintw(y, x, "%02d ", color);
else
mvaddstr(y, x, color_names[color]);
}
static void
color_test(void)
/* generate a color test pattern */
{
int i;
int base, top, width;
NCURSES_CONST char *hello;
refresh();
(void) printw("There are %d color pairs\n", COLOR_PAIRS);
width = (max_colors > 8) ? 4 : 8;
hello = (max_colors > 8) ? "Test" : "Hello";
for (base = 0; base < 2; base++) {
top = (max_colors > 8) ? 0 : base * (max_colors + 3);
clrtobot();
(void) mvprintw(top + 1, 0,
"%dx%d matrix of foreground/background colors, bright *%s*\n",
max_colors, max_colors,
base ? "on" : "off");
for (i = 0; i < max_colors; i++)
show_color_name(top + 2, (i + 1) * width, i);
for (i = 0; i < max_colors; i++)
show_color_name(top + 3 + i, 0, i);
for (i = 1; i < max_pairs; i++) {
init_pair(i, i % max_colors, i / max_colors);
attron((attr_t) COLOR_PAIR(i));
if (base)
attron((attr_t) A_BOLD);
mvaddstr(top + 3 + (i / max_colors), (i % max_colors + 1) *
width, hello);
attrset(A_NORMAL);
}
if ((max_colors > 8) || base)
Pause();
}
erase();
endwin();
}
static void
change_color(int current, int field, int value, int usebase)
{
short red, green, blue;
if (usebase)
color_content(current, &red, &green, &blue);
else
red = green = blue = 0;
switch (field) {
case 0:
red += value;
break;
case 1:
green += value;
break;
case 2:
blue += value;
break;
}
if (init_color(current, red, green, blue) == ERR)
beep();
}
static void
color_edit(void)
/* display the color test pattern, without trying to edit colors */
{
int i, this_c = 0, value = 0, current = 0, field = 0;
int last_c;
refresh();
for (i = 0; i < max_colors; i++)
init_pair(i, COLOR_WHITE, i);
mvprintw(LINES - 2, 0, "Number: %d", value);
do {
short red, green, blue;
attron(A_BOLD);
mvaddstr(0, 20, "Color RGB Value Editing");
attroff(A_BOLD);
for (i = 0; i < max_colors; i++) {
mvprintw(2 + i, 0, "%c %-8s:",
(i == current ? '>' : ' '),
(i < (int) SIZEOF(color_names)
? color_names[i] : ""));
attrset(COLOR_PAIR(i));
addstr(" ");
attrset(A_NORMAL);
/*
* Note: this refresh should *not* be necessary! It works around
* a bug in attribute handling that apparently causes the A_NORMAL
* attribute sets to interfere with the actual emission of the
* color setting somehow. This needs to be fixed.
*/
refresh();
color_content(i, &red, &green, &blue);
addstr(" R = ");
if (current == i && field == 0)
attron(A_STANDOUT);
printw("%04d", red);
if (current == i && field == 0)
attrset(A_NORMAL);
addstr(", G = ");
if (current == i && field == 1)
attron(A_STANDOUT);
printw("%04d", green);
if (current == i && field == 1)
attrset(A_NORMAL);
addstr(", B = ");
if (current == i && field == 2)
attron(A_STANDOUT);
printw("%04d", blue);
if (current == i && field == 2)
attrset(A_NORMAL);
attrset(A_NORMAL);
addstr(")");
}
mvaddstr(max_colors + 3, 0,
"Use up/down to select a color, left/right to change fields.");
mvaddstr(max_colors + 4, 0,
"Modify field by typing nnn=, nnn-, or nnn+. ? for help.");
move(2 + current, 0);
last_c = this_c;
this_c = Getchar();
if (isdigit(this_c) && !isdigit(last_c))
value = 0;
switch (this_c) {
case KEY_UP:
current = (current == 0 ? (max_colors - 1) : current - 1);
break;
case KEY_DOWN:
current = (current == (max_colors - 1) ? 0 : current + 1);
break;
case KEY_RIGHT:
field = (field == 2 ? 0 : field + 1);
break;
case KEY_LEFT:
field = (field == 0 ? 2 : field - 1);
break;
case '0':
case '1':
case '2':
case '3':
case '4':
case '5':
case '6':
case '7':
case '8':
case '9':
value = value * 10 + (this_c - '0');
break;
case '+':
change_color(current, field, value, 1);
break;
case '-':
change_color(current, field, -value, 1);
break;
case '=':
change_color(current, field, value, 0);
break;
case '?':
erase();
P(" RGB Value Editing Help");
P("");
P("You are in the RGB value editor. Use the arrow keys to select one of");
P("the fields in one of the RGB triples of the current colors; the one");
P("currently selected will be reverse-video highlighted.");
P("");
P("To change a field, enter the digits of the new value; they are echoed");
P("as entered. Finish by typing `='. The change will take effect instantly.");
P("To increment or decrement a value, use the same procedure, but finish");
P("with a `+' or `-'.");
P("");
P("To quit, do `x' or 'q'");
Pause();
erase();
break;
case 'x':
case 'q':
break;
default:
beep();
break;
}
mvprintw(LINES - 2, 0, "Number: %d", value);
clrtoeol();
} while
(this_c != 'x' && this_c != 'q');
erase();
endwin();
}
/****************************************************************************
*
* Soft-key label test
*
****************************************************************************/
static void
slk_test(void)
/* exercise the soft keys */
{
int c, fmt = 1;
char buf[9];
c = CTRL('l');
do {
move(0, 0);
switch (c) {
case CTRL('l'):
erase();
attron(A_BOLD);
mvaddstr(0, 20, "Soft Key Exerciser");
attroff(A_BOLD);
move(2, 0);
P("Available commands are:");
P("");
P("^L -- refresh screen");
P("a -- activate or restore soft keys");
P("d -- disable soft keys");
P("c -- set centered format for labels");
P("l -- set left-justified format for labels");
P("r -- set right-justified format for labels");
P("[12345678] -- set label; labels are numbered 1 through 8");
P("e -- erase stdscr (should not erase labels)");
P("s -- test scrolling of shortened screen");
P("x, q -- return to main menu");
P("");
P("Note: if activating the soft keys causes your terminal to");
P("scroll up one line, your terminal auto-scrolls when anything");
P("is written to the last screen position. The ncurses code");
P("does not yet handle this gracefully.");
refresh();
/* fall through */
case 'a':
slk_restore();
break;
case 'e':
wclear(stdscr);
break;
case 's':
mvprintw(20, 0, "Press Q to stop the scrolling-test: ");
while ((c = Getchar()) != 'Q' && (c != ERR))
addch((chtype) c);
break;
case 'd':
slk_clear();
break;
case 'l':
fmt = 0;
break;
case 'c':
fmt = 1;
break;
case 'r':
fmt = 2;
break;
case '1':
case '2':
case '3':
case '4':
case '5':
case '6':
case '7':
case '8':
(void) mvaddstr(20, 0, "Please enter the label value: ");
echo();
wgetnstr(stdscr, buf, 8);
noecho();
slk_set((c - '0'), buf, fmt);
slk_refresh();
move(20, 0);
clrtoeol();
break;
case 'x':
case 'q':
goto done;
default:
beep();
}
} while
((c = Getchar()) != EOF);
done:
erase();
endwin();
}
/****************************************************************************
*
* Alternate character-set stuff
*
****************************************************************************/
/* ISO 6429: codes 0x80 to 0x9f may be control characters that cause the
* terminal to perform functions. The remaining codes can be graphic.
*/
static void
show_upper_chars(int first)
{
bool C1 = (first == 128);
int code;
int last = first + 31;
int reply;
erase();
attron(A_BOLD);
mvprintw(0, 20, "Display of %s Character Codes %d to %d",
C1 ? "C1" : "GR", first, last);
attroff(A_BOLD);
refresh();
for (code = first; code <= last; code++) {
int row = 4 + ((code - first) % 16);
int col = ((code - first) / 16) * COLS / 2;
char tmp[80];
sprintf(tmp, "%3d (0x%x)", code, code);
mvprintw(row, col, "%*s: ", COLS / 4, tmp);
if (C1)
nodelay(stdscr, TRUE);
echochar(code);
if (C1) {
/* (yes, this _is_ crude) */
while ((reply = Getchar()) != ERR) {
addch(reply);
napms(10);
}
nodelay(stdscr, FALSE);
}
}
}
static int
show_1_acs(int n, const char *name, chtype code)
{
const int height = 16;
int row = 4 + (n % height);
int col = (n / height) * COLS / 2;
mvprintw(row, col, "%*s : ", COLS / 4, name);
addch(code);
return n + 1;
}
static void
show_acs_chars(void)
/* display the ACS character set */
{
int n;
#define BOTH(name) #name, name
erase();
attron(A_BOLD);
mvaddstr(0, 20, "Display of the ACS Character Set");
attroff(A_BOLD);
refresh();
n = show_1_acs(0, BOTH(ACS_ULCORNER));
n = show_1_acs(n, BOTH(ACS_LLCORNER));
n = show_1_acs(n, BOTH(ACS_URCORNER));
n = show_1_acs(n, BOTH(ACS_LRCORNER));
n = show_1_acs(n, BOTH(ACS_RTEE));
n = show_1_acs(n, BOTH(ACS_LTEE));
n = show_1_acs(n, BOTH(ACS_BTEE));
n = show_1_acs(n, BOTH(ACS_TTEE));
n = show_1_acs(n, BOTH(ACS_HLINE));
n = show_1_acs(n, BOTH(ACS_VLINE));
n = show_1_acs(n, BOTH(ACS_PLUS));
n = show_1_acs(n, BOTH(ACS_S1));
n = show_1_acs(n, BOTH(ACS_S9));
n = show_1_acs(n, BOTH(ACS_DIAMOND));
n = show_1_acs(n, BOTH(ACS_CKBOARD));
n = show_1_acs(n, BOTH(ACS_DEGREE));
n = show_1_acs(n, BOTH(ACS_PLMINUS));
n = show_1_acs(n, BOTH(ACS_BULLET));
n = show_1_acs(n, BOTH(ACS_LARROW));
n = show_1_acs(n, BOTH(ACS_RARROW));
n = show_1_acs(n, BOTH(ACS_DARROW));
n = show_1_acs(n, BOTH(ACS_UARROW));
n = show_1_acs(n, BOTH(ACS_BOARD));
n = show_1_acs(n, BOTH(ACS_LANTERN));
n = show_1_acs(n, BOTH(ACS_BLOCK));
n = show_1_acs(n, BOTH(ACS_S3));
n = show_1_acs(n, BOTH(ACS_S7));
n = show_1_acs(n, BOTH(ACS_LEQUAL));
n = show_1_acs(n, BOTH(ACS_GEQUAL));
n = show_1_acs(n, BOTH(ACS_PI));
n = show_1_acs(n, BOTH(ACS_NEQUAL));
n = show_1_acs(n, BOTH(ACS_STERLING));
}
static void
acs_display(void)
{
int c = 'a';
do {
switch (c) {
case 'a':
show_acs_chars();
break;
case '0':
case '1':
case '2':
case '3':
show_upper_chars((c - '0') * 32 + 128);
break;
}
mvprintw(LINES - 3, 0,
"Note: ANSI terminals may not display C1 characters.");
mvprintw(LINES - 2, 0,
"Select: a=ACS, 0=C1, 1,2,3=GR characters, q=quit");
refresh();
} while ((c = Getchar()) != 'x' && c != 'q');
Pause();
erase();
endwin();
}
/*
* Graphic-rendition test (adapted from vttest)
*/
static void
test_sgr_attributes(void)
{
int pass;
for (pass = 0; pass < 2; pass++) {
int normal = ((pass == 0 ? A_NORMAL : A_REVERSE)) | BLANK;
/* Use non-default colors if possible to exercise bce a little */
if (has_colors()) {
init_pair(1, COLOR_WHITE, COLOR_BLUE);
normal |= COLOR_PAIR(1);
}
bkgdset(normal);
erase();
mvprintw(1, 20, "Graphic rendition test pattern:");
mvprintw(4, 1, "vanilla");
#define set_sgr(mask) bkgdset((normal^(mask)));
set_sgr(A_BOLD);
mvprintw(4, 40, "bold");
set_sgr(A_UNDERLINE);
mvprintw(6, 6, "underline");
set_sgr(A_BOLD | A_UNDERLINE);
mvprintw(6, 45, "bold underline");
set_sgr(A_BLINK);
mvprintw(8, 1, "blink");
set_sgr(A_BLINK | A_BOLD);
mvprintw(8, 40, "bold blink");
set_sgr(A_UNDERLINE | A_BLINK);
mvprintw(10, 6, "underline blink");
set_sgr(A_BOLD | A_UNDERLINE | A_BLINK);
mvprintw(10, 45, "bold underline blink");
set_sgr(A_REVERSE);
mvprintw(12, 1, "negative");
set_sgr(A_BOLD | A_REVERSE);
mvprintw(12, 40, "bold negative");
set_sgr(A_UNDERLINE | A_REVERSE);
mvprintw(14, 6, "underline negative");
set_sgr(A_BOLD | A_UNDERLINE | A_REVERSE);
mvprintw(14, 45, "bold underline negative");
set_sgr(A_BLINK | A_REVERSE);
mvprintw(16, 1, "blink negative");
set_sgr(A_BOLD | A_BLINK | A_REVERSE);
mvprintw(16, 40, "bold blink negative");
set_sgr(A_UNDERLINE | A_BLINK | A_REVERSE);
mvprintw(18, 6, "underline blink negative");
set_sgr(A_BOLD | A_UNDERLINE | A_BLINK | A_REVERSE);
mvprintw(18, 45, "bold underline blink negative");
bkgdset(normal);
mvprintw(LINES - 2, 1, "%s background. ", pass == 0 ? "Dark" :
"Light");
clrtoeol();
Pause();
}
bkgdset(A_NORMAL | BLANK);
erase();
endwin();
}
/****************************************************************************
*
* Windows and scrolling tester.
*
****************************************************************************/
#define BOTLINES 4 /* number of line stolen from screen bottom */
typedef struct {
int y, x;
} pair;
#define FRAME struct frame
FRAME
{
FRAME *next, *last;
bool do_scroll;
bool do_keypad;
WINDOW *wind;
};
/* We need to know if these flags are actually set, so don't look in FRAME.
* These names are known to work with SVr4 curses as well as ncurses.
*/
static bool
HaveKeypad(FRAME * curp)
{
WINDOW *win = (curp ? curp->wind : stdscr);
return win->_use_keypad;
}
static bool
HaveScroll(FRAME * curp)
{
WINDOW *win = (curp ? curp->wind : stdscr);
return win->_scroll;
}
static void
newwin_legend(FRAME * curp)
{
static const struct {
const char *msg;
int code;
} legend[] = {
{
"^C = create window", 0
},
{
"^N = next window", 0
},
{
"^P = previous window", 0
},
{
"^F = scroll forward", 0
},
{
"^B = scroll backward", 0
},
{
"^K = keypad(%s)", 1
},
{
"^S = scrollok(%s)", 2
},
{
"^W = save window to file", 0
},
{
"^R = restore window", 0
},
#if HAVE_WRESIZE
{
"^X = resize", 0
},
#endif
{
"^Q%s = exit", 3
}
};
size_t n;
int x;
bool do_keypad = HaveKeypad(curp);
bool do_scroll = HaveScroll(curp);
char buf[BUFSIZ];
move(LINES - 4, 0);
for (n = 0; n < SIZEOF(legend); n++) {
switch (legend[n].code) {
default:
strcpy(buf, legend[n].msg);
break;
case 1:
sprintf(buf, legend[n].msg, do_keypad ? "yes" : "no");
break;
case 2:
sprintf(buf, legend[n].msg, do_scroll ? "yes" : "no");
break;
case 3:
sprintf(buf, legend[n].msg, do_keypad ? "/ESC" : "");
break;
}
x = getcurx(stdscr);
addstr((COLS < (x + 3 + (int) strlen(buf))) ? "\n" : (n ? ", " : ""));
addstr(buf);
}
clrtoeol();
}
static void
transient(FRAME * curp, NCURSES_CONST char *msg)
{
newwin_legend(curp);
if (msg) {
mvaddstr(LINES - 1, 0, msg);
refresh();
napms(1000);
}
move(LINES - 1, 0);
printw("%s characters are echoed, window should %sscroll.",
HaveKeypad(curp) ? "Non-arrow" : "All other",
HaveScroll(curp) ? "" : "not ");
clrtoeol();
}
static void
newwin_report(FRAME * curp)
/* report on the cursor's current position, then restore it */
{
WINDOW *win = (curp != 0) ? curp->wind : stdscr;
int y, x;
if (win != stdscr)
transient(curp, (char *) 0);
getyx(win, y, x);
move(LINES - 1, COLS - 17);
printw("Y = %2d X = %2d", y, x);
if (win != stdscr)
refresh();
else
wmove(win, y, x);
}
static pair *
selectcell(int uli, int ulj, int lri, int lrj)
/* arrows keys move cursor, return location at current on non-arrow key */
{
static pair res; /* result cell */
int si = lri - uli + 1; /* depth of the select area */
int sj = lrj - ulj + 1; /* width of the select area */
int i = 0, j = 0; /* offsets into the select area */
res.y = uli;
res.x = ulj;
for (;;) {
move(uli + i, ulj + j);
newwin_report((FRAME *) 0);
switch (Getchar()) {
case KEY_UP:
i += si - 1;
break;
case KEY_DOWN:
i++;
break;
case KEY_LEFT:
j += sj - 1;
break;
case KEY_RIGHT:
j++;
break;
case QUIT:
case ESCAPE:
return ((pair *) 0);
#ifdef NCURSES_MOUSE_VERSION
case KEY_MOUSE:
{
MEVENT event;
getmouse(&event);
if (event.y > uli && event.x > ulj) {
i = event.y - uli;
j = event.x - ulj;
} else {
beep();
break;
}
}
/* FALLTHRU */
#endif
default:
res.y = uli + i;
res.x = ulj + j;
return (&res);
}
i %= si;
j %= sj;
}
}
static void
outerbox(pair ul, pair lr, bool onoff)
/* draw or erase a box *outside* the given pair of corners */
{
mvaddch(ul.y - 1, lr.x - 1, onoff ? ACS_ULCORNER : ' ');
mvaddch(ul.y - 1, lr.x + 1, onoff ? ACS_URCORNER : ' ');
mvaddch(lr.y + 1, lr.x + 1, onoff ? ACS_LRCORNER : ' ');
mvaddch(lr.y + 1, ul.x - 1, onoff ? ACS_LLCORNER : ' ');
move(ul.y - 1, ul.x);
hline(onoff ? ACS_HLINE : ' ', lr.x - ul.x + 1);
move(ul.y, ul.x - 1);
vline(onoff ? ACS_VLINE : ' ', lr.y - ul.y + 1);
move(lr.y + 1, ul.x);
hline(onoff ? ACS_HLINE : ' ', lr.x - ul.x + 1);
move(ul.y, lr.x + 1);
vline(onoff ? ACS_VLINE : ' ', lr.y - ul.y + 1);
}
static WINDOW *
getwindow(void)
/* Ask user for a window definition */
{
WINDOW *rwindow;
pair ul, lr, *tmp;
move(0, 0);
clrtoeol();
addstr("Use arrows to move cursor, anything else to mark corner 1");
refresh();
if ((tmp = selectcell(2, 1, LINES - BOTLINES - 2, COLS - 2)) == (pair *) 0)
return ((WINDOW *) 0);
memcpy(&ul, tmp, sizeof(pair));
mvaddch(ul.y - 1, ul.x - 1, ACS_ULCORNER);
move(0, 0);
clrtoeol();
addstr("Use arrows to move cursor, anything else to mark corner 2");
refresh();
if ((tmp = selectcell(ul.y, ul.x, LINES - BOTLINES - 2, COLS - 2)) ==
(pair *) 0)
return ((WINDOW *) 0);
memcpy(&lr, tmp, sizeof(pair));
rwindow = subwin(stdscr, lr.y - ul.y + 1, lr.x - ul.x + 1, ul.y, ul.x);
outerbox(ul, lr, TRUE);
refresh();
wrefresh(rwindow);
move(0, 0);
clrtoeol();
return (rwindow);
}
static void
newwin_move(FRAME * curp, int dy, int dx)
{
WINDOW *win = (curp != 0) ? curp->wind : stdscr;
int cur_y, cur_x;
int max_y, max_x;
getyx(win, cur_y, cur_x);
getmaxyx(win, max_y, max_x);
if ((cur_x += dx) < 0)
cur_x = 0;
else if (cur_x >= max_x)
cur_x = max_x - 1;
if ((cur_y += dy) < 0)
cur_y = 0;
else if (cur_y >= max_y)
cur_y = max_y - 1;
wmove(win, cur_y, cur_x);
}
static FRAME *
delete_framed(FRAME * fp, bool showit)
{
FRAME *np;
fp->last->next = fp->next;
fp->next->last = fp->last;
if (showit) {
werase(fp->wind);
wrefresh(fp->wind);
}
delwin(fp->wind);
np = (fp == fp->next) ? 0 : fp->next;
free(fp);
return np;
}
static void
acs_and_scroll(void)
/* Demonstrate windows */
{
int c, i;
FILE *fp;
FRAME *current = (FRAME *) 0, *neww;
WINDOW *usescr = stdscr;
#define DUMPFILE "screendump"
#ifdef NCURSES_MOUSE_VERSION
mousemask(BUTTON1_CLICKED, (mmask_t *) 0);
#endif
c = CTRL('C');
raw();
do {
transient((FRAME *) 0, (char *) 0);
switch (c) {
case CTRL('C'):
neww = (FRAME *) calloc(1, sizeof(FRAME));
if ((neww->wind = getwindow()) == (WINDOW *) 0)
goto breakout;
if (current == 0) { /* First element, */
neww->next = neww; /* so point it at itself */
neww->last = neww;
} else {
neww->next = current->next;
neww->last = current;
neww->last->next = neww;
neww->next->last = neww;
}
current = neww;
/* SVr4 curses sets the keypad on all newly-created windows to
* false. Someone reported that PDCurses makes new windows inherit
* this flag. Remove the following 'keypad()' call to test this
*/
keypad(current->wind, TRUE);
current->do_keypad = HaveKeypad(current);
current->do_scroll = HaveScroll(current);
break;
case CTRL('N'): /* go to next window */
if (current)
current = current->next;
break;
case CTRL('P'): /* go to previous window */
if (current)
current = current->last;
break;
case CTRL('F'): /* scroll current window forward */
if (current)
wscrl(current->wind, 1);
break;
case CTRL('B'): /* scroll current window backwards */
if (current)
wscrl(current->wind, -1);
break;
case CTRL('K'): /* toggle keypad mode for current */
if (current) {
current->do_keypad = !current->do_keypad;
keypad(current->wind, current->do_keypad);
}
break;
case CTRL('S'):
if (current) {
current->do_scroll = !current->do_scroll;
scrollok(current->wind, current->do_scroll);
}
break;
case CTRL('W'): /* save and delete window */
if (current == current->next)
break;
if ((fp = fopen(DUMPFILE, "w")) == (FILE *) 0)
transient(current, "Can't open screen dump file");
else {
(void) putwin(current->wind, fp);
(void) fclose(fp);
current = delete_framed(current, TRUE);
}
break;
case CTRL('R'): /* restore window */
if ((fp = fopen(DUMPFILE, "r")) == (FILE *) 0)
transient(current, "Can't open screen dump file");
else {
neww = (FRAME *) calloc(1, sizeof(FRAME));
neww->next = current->next;
neww->last = current;
neww->last->next = neww;
neww->next->last = neww;
neww->wind = getwin(fp);
(void) fclose(fp);
wrefresh(neww->wind);
}
break;
#if HAVE_WRESIZE
case CTRL('X'): /* resize window */
if (current) {
pair *tmp, ul, lr;
int mx, my;
move(0, 0);
clrtoeol();
addstr("Use arrows to move cursor, anything else to mark new corner");
refresh();
getbegyx(current->wind, ul.y, ul.x);
tmp = selectcell(ul.y, ul.x, LINES - BOTLINES - 2, COLS - 2);
if (tmp == (pair *) 0) {
beep();
break;
}
getmaxyx(current->wind, lr.y, lr.x);
lr.y += (ul.y - 1);
lr.x += (ul.x - 1);
outerbox(ul, lr, FALSE);
wnoutrefresh(stdscr);
/* strictly cosmetic hack for the test */
getmaxyx(current->wind, my, mx);
if (my > tmp->y - ul.y) {
getyx(current->wind, lr.y, lr.x);
wmove(current->wind, tmp->y - ul.y + 1, 0);
wclrtobot(current->wind);
wmove(current->wind, lr.y, lr.x);
}
if (mx > tmp->x - ul.x)
for (i = 0; i < my; i++) {
wmove(current->wind, i, tmp->x - ul.x + 1);
wclrtoeol(current->wind);
}
wnoutrefresh(current->wind);
memcpy(&lr, tmp, sizeof(pair));
(void) wresize(current->wind, lr.y - ul.y + 0, lr.x - ul.x + 0);
getbegyx(current->wind, ul.y, ul.x);
getmaxyx(current->wind, lr.y, lr.x);
lr.y += (ul.y - 1);
lr.x += (ul.x - 1);
outerbox(ul, lr, TRUE);
wnoutrefresh(stdscr);
wnoutrefresh(current->wind);
move(0, 0);
clrtoeol();
doupdate();
}
break;
#endif /* HAVE_WRESIZE */
case KEY_F(10): /* undocumented --- use this to test area clears */
selectcell(0, 0, LINES - 1, COLS - 1);
clrtobot();
refresh();
break;
case KEY_UP:
newwin_move(current, -1, 0);
break;
case KEY_DOWN:
newwin_move(current, 1, 0);
break;
case KEY_LEFT:
newwin_move(current, 0, -1);
break;
case KEY_RIGHT:
newwin_move(current, 0, 1);
break;
case KEY_BACKSPACE:
/* FALLTHROUGH */
case KEY_DC:
{
int y, x;
getyx(current->wind, y, x);
if (--x < 0) {
if (--y < 0)
break;
x = getmaxx(current->wind) - 1;
}
mvwdelch(current->wind, y, x);
}
break;
case '\r':
c = '\n';
/* FALLTHROUGH */
default:
if (current)
waddch(current->wind, (chtype) c);
else
beep();
break;
}
newwin_report(current);
usescr = (current ? current->wind : stdscr);
wrefresh(usescr);
} while
((c = wGetchar(usescr)) != QUIT
&& !((c == ESCAPE) && (usescr->_use_keypad))
&& (c != ERR));
breakout:
while (current != 0)
current = delete_framed(current, FALSE);
scrollok(stdscr, TRUE); /* reset to driver's default */
#ifdef NCURSES_MOUSE_VERSION
mousemask(0, (mmask_t *) 0);
#endif
noraw();
erase();
endwin();
}
/****************************************************************************
*
* Panels tester
*
****************************************************************************/
#if USE_LIBPANEL
static unsigned long nap_msec = 1;
static NCURSES_CONST char *mod[] =
{
"test ",
"TEST ",
"(**) ",
"*()* ",
"<--> ",
"LAST "
};
/*+-------------------------------------------------------------------------
wait_a_while(msec)
--------------------------------------------------------------------------*/
static void
wait_a_while(unsigned long msec GCC_UNUSED)
{
#if HAVE_NAPMS
if (nap_msec == 1)
wGetchar(stdscr);
else
napms(nap_msec);
#else
if (nap_msec == 1)
wGetchar(stdscr);
else if (msec > 1000L)
sleep((int) msec / 1000L);
else
sleep(1);
#endif
} /* end of wait_a_while */
/*+-------------------------------------------------------------------------
saywhat(text)
--------------------------------------------------------------------------*/
static void
saywhat(NCURSES_CONST char *text)
{
wmove(stdscr, LINES - 1, 0);
wclrtoeol(stdscr);
waddstr(stdscr, text);
} /* end of saywhat */
/*+-------------------------------------------------------------------------
mkpanel(rows,cols,tly,tlx) - alloc a win and panel and associate them
--------------------------------------------------------------------------*/
static PANEL *
mkpanel(int color, int rows, int cols, int tly, int tlx)
{
WINDOW *win;
PANEL *pan = 0;
if ((win = newwin(rows, cols, tly, tlx)) != 0) {
if ((pan = new_panel(win)) == 0) {
delwin(win);
} else if (has_colors()) {
int fg = (color == COLOR_BLUE) ? COLOR_WHITE : COLOR_BLACK;
int bg = color;
init_pair(color, fg, bg);
wbkgdset(win, COLOR_PAIR(color) | ' ');
} else {
wbkgdset(win, A_BOLD | ' ');
}
}
return pan;
} /* end of mkpanel */
/*+-------------------------------------------------------------------------
rmpanel(pan)
--------------------------------------------------------------------------*/
static void
rmpanel(PANEL * pan)
{
WINDOW *win = panel_window(pan);
del_panel(pan);
delwin(win);
} /* end of rmpanel */
/*+-------------------------------------------------------------------------
pflush()
--------------------------------------------------------------------------*/
static void
pflush(void)
{
update_panels();
doupdate();
} /* end of pflush */
/*+-------------------------------------------------------------------------
fill_panel(win)
--------------------------------------------------------------------------*/
static void
fill_panel(PANEL * pan)
{
WINDOW *win = panel_window(pan);
int num = ((const char *) panel_userptr(pan))[1];
int y, x;
wmove(win, 1, 1);
wprintw(win, "-pan%c-", num);
wclrtoeol(win);
box(win, 0, 0);
for (y = 2; y < getmaxy(win) - 1; y++) {
for (x = 1; x < getmaxx(win) - 1; x++) {
wmove(win, y, x);
waddch(win, num);
}
}
} /* end of fill_panel */
static void
demo_panels(void)
{
int itmp;
register int y, x;
refresh();
for (y = 0; y < LINES - 1; y++) {
for (x = 0; x < COLS; x++)
wprintw(stdscr, "%d", (y + x) % 10);
}
for (y = 0; y < 5; y++) {
PANEL *p1;
PANEL *p2;
PANEL *p3;
PANEL *p4;
PANEL *p5;
p1 = mkpanel(COLOR_RED,
LINES / 2 - 2,
COLS / 8 + 1,
0,
0);
set_panel_userptr(p1, "p1");
p2 = mkpanel(COLOR_GREEN,
LINES / 2 + 1,
COLS / 7,
LINES / 4,
COLS / 10);
set_panel_userptr(p2, "p2");
p3 = mkpanel(COLOR_YELLOW,
LINES / 4,
COLS / 10,
LINES / 2,
COLS / 9);
set_panel_userptr(p3, "p3");
p4 = mkpanel(COLOR_BLUE,
LINES / 2 - 2,
COLS / 8,
LINES / 2 - 2,
COLS / 3);
set_panel_userptr(p4, "p4");
p5 = mkpanel(COLOR_MAGENTA,
LINES / 2 - 2,
COLS / 8,
LINES / 2,
COLS / 2 - 2);
set_panel_userptr(p5, "p5");
fill_panel(p1);
fill_panel(p2);
fill_panel(p3);
fill_panel(p4);
fill_panel(p5);
hide_panel(p4);
hide_panel(p5);
pflush();
saywhat("press any key to continue");
wait_a_while(nap_msec);
saywhat("h3 s1 s2 s4 s5; press any key to continue");
move_panel(p1, 0, 0);
hide_panel(p3);
show_panel(p1);
show_panel(p2);
show_panel(p4);
show_panel(p5);
pflush();
wait_a_while(nap_msec);
saywhat("s1; press any key to continue");
show_panel(p1);
pflush();
wait_a_while(nap_msec);
saywhat("s2; press any key to continue");
show_panel(p2);
pflush();
wait_a_while(nap_msec);
saywhat("m2; press any key to continue");
move_panel(p2, LINES / 3 + 1, COLS / 8);
pflush();
wait_a_while(nap_msec);
saywhat("s3;");
show_panel(p3);
pflush();
wait_a_while(nap_msec);
saywhat("m3; press any key to continue");
move_panel(p3, LINES / 4 + 1, COLS / 15);
pflush();
wait_a_while(nap_msec);
saywhat("b3; press any key to continue");
bottom_panel(p3);
pflush();
wait_a_while(nap_msec);
saywhat("s4; press any key to continue");
show_panel(p4);
pflush();
wait_a_while(nap_msec);
saywhat("s5; press any key to continue");
show_panel(p5);
pflush();
wait_a_while(nap_msec);
saywhat("t3; press any key to continue");
top_panel(p3);
pflush();
wait_a_while(nap_msec);
saywhat("t1; press any key to continue");
top_panel(p1);
pflush();
wait_a_while(nap_msec);
saywhat("t2; press any key to continue");
top_panel(p2);
pflush();
wait_a_while(nap_msec);
saywhat("t3; press any key to continue");
top_panel(p3);
pflush();
wait_a_while(nap_msec);
saywhat("t4; press any key to continue");
top_panel(p4);
pflush();
wait_a_while(nap_msec);
for (itmp = 0; itmp < 6; itmp++) {
WINDOW *w4 = panel_window(p4);
WINDOW *w5 = panel_window(p5);
saywhat("m4; press any key to continue");
wmove(w4, LINES / 8, 1);
waddstr(w4, mod[itmp]);
move_panel(p4, LINES / 6, itmp * (COLS / 8));
wmove(w5, LINES / 6, 1);
waddstr(w5, mod[itmp]);
pflush();
wait_a_while(nap_msec);
saywhat("m5; press any key to continue");
wmove(w4, LINES / 6, 1);
waddstr(w4, mod[itmp]);
move_panel(p5, LINES / 3 - 1, (itmp * 10) + 6);
wmove(w5, LINES / 8, 1);
waddstr(w5, mod[itmp]);
pflush();
wait_a_while(nap_msec);
}
saywhat("m4; press any key to continue");
move_panel(p4, LINES / 6, itmp * (COLS / 8));
pflush();
wait_a_while(nap_msec);
saywhat("t5; press any key to continue");
top_panel(p5);
pflush();
wait_a_while(nap_msec);
saywhat("t2; press any key to continue");
top_panel(p2);
pflush();
wait_a_while(nap_msec);
saywhat("t1; press any key to continue");
top_panel(p1);
pflush();
wait_a_while(nap_msec);
saywhat("d2; press any key to continue");
rmpanel(p2);
pflush();
wait_a_while(nap_msec);
saywhat("h3; press any key to continue");
hide_panel(p3);
pflush();
wait_a_while(nap_msec);
saywhat("d1; press any key to continue");
rmpanel(p1);
pflush();
wait_a_while(nap_msec);
saywhat("d4; press any key to continue");
rmpanel(p4);
pflush();
wait_a_while(nap_msec);
saywhat("d5; press any key to continue");
rmpanel(p5);
pflush();
wait_a_while(nap_msec);
if (nap_msec == 1)
break;
nap_msec = 100L;
}
erase();
endwin();
}
/****************************************************************************
*
* Pad tester
*
****************************************************************************/
#define GRIDSIZE 3
static bool pending_pan = FALSE;
static bool show_panner_legend = TRUE;
static int
panner_legend(int line)
{
static const char *const legend[] =
{
"Use arrow keys (or U,D,L,R) to pan, q to quit, ! to shell-out.",
"Use +,- (or j,k) to grow/shrink the panner vertically.",
"Use <,> (or h,l) to grow/shrink the panner horizontally.",
"Number repeats. Toggle legend:?, timer:t, scroll mark:s."
};
int n = (SIZEOF(legend) - (LINES - line));
if (line < LINES && (n >= 0)) {
move(line, 0);
if (show_panner_legend)
printw("%s", legend[n]);
clrtoeol();
return show_panner_legend;
}
return FALSE;
}
static void
panner_h_cleanup(int from_y, int from_x, int to_x)
{
if (!panner_legend(from_y))
do_h_line(from_y, from_x, ' ', to_x);
}
static void
panner_v_cleanup(int from_y, int from_x, int to_y)
{
if (!panner_legend(from_y))
do_v_line(from_y, from_x, ' ', to_y);
}
static void
panner(WINDOW *pad,
int top_x, int top_y, int porty, int portx,
int (*pgetc) (WINDOW *))
{
#if HAVE_GETTIMEOFDAY
struct timeval before, after;
bool timing = TRUE;
#endif
bool scrollers = TRUE;
int basex = 0;
int basey = 0;
int pxmax, pymax, lowend, highend, c;
getmaxyx(pad, pymax, pxmax);
scrollok(stdscr, FALSE); /* we don't want stdscr to scroll! */
c = KEY_REFRESH;
do {
#ifdef NCURSES_VERSION
/*
* During shell-out, the user may have resized the window. Adjust
* the port size of the pad to accommodate this. Ncurses automatically
* resizes all of the normal windows to fit on the new screen.
*/
if (top_x > COLS)
top_x = COLS;
if (portx > COLS)
portx = COLS;
if (top_y > LINES)
top_y = LINES;
if (porty > LINES)
porty = LINES;
#endif
switch (c) {
case KEY_REFRESH:
erase();
/* FALLTHRU */
case '?':
if (c == '?')
show_panner_legend = !show_panner_legend;
panner_legend(LINES - 4);
panner_legend(LINES - 3);
panner_legend(LINES - 2);
panner_legend(LINES - 1);
break;
#if HAVE_GETTIMEOFDAY
case 't':
timing = !timing;
if (!timing)
panner_legend(LINES - 1);
break;
#endif
case 's':
scrollers = !scrollers;
break;
/* Move the top-left corner of the pad, keeping the bottom-right
* corner fixed.
*/
case 'h': /* increase-columns: move left edge to left */
if (top_x <= 0)
beep();
else {
panner_v_cleanup(top_y, top_x, porty);
top_x--;
}
break;
case 'j': /* decrease-lines: move top-edge down */
if (top_y >= porty)
beep();
else {
panner_h_cleanup(top_y - 1, top_x - (top_x > 0), portx);
top_y++;
}
break;
case 'k': /* increase-lines: move top-edge up */
if (top_y <= 0)
beep();
else {
top_y--;
panner_h_cleanup(top_y, top_x, portx);
}
break;
case 'l': /* decrease-columns: move left-edge to right */
if (top_x >= portx)
beep();
else {
panner_v_cleanup(top_y - (top_y > 0), top_x - 1, porty);
top_x++;
}
break;
/* Move the bottom-right corner of the pad, keeping the top-left
* corner fixed.
*/
case KEY_IC: /* increase-columns: move right-edge to right */
if (portx >= pxmax || portx >= COLS)
beep();
else {
panner_v_cleanup(top_y - (top_y > 0), portx - 1, porty);
++portx;
}
break;
case KEY_IL: /* increase-lines: move bottom-edge down */
if (porty >= pymax || porty >= LINES)
beep();
else {
panner_h_cleanup(porty - 1, top_x - (top_x > 0), portx);
++porty;
}
break;
case KEY_DC: /* decrease-columns: move bottom edge up */
if (portx <= top_x)
beep();
else {
portx--;
panner_v_cleanup(top_y - (top_y > 0), portx, porty);
}
break;
case KEY_DL: /* decrease-lines */
if (porty <= top_y)
beep();
else {
porty--;
panner_h_cleanup(porty, top_x - (top_x > 0), portx);
}
break;
case KEY_LEFT: /* pan leftwards */
if (basex > 0)
basex--;
else
beep();
break;
case KEY_RIGHT: /* pan rightwards */
if (basex + portx - (pymax > porty) < pxmax)
basex++;
else
beep();
break;
case KEY_UP: /* pan upwards */
if (basey > 0)
basey--;
else
beep();
break;
case KEY_DOWN: /* pan downwards */
if (basey + porty - (pxmax > portx) < pymax)
basey++;
else
beep();
break;
case 'H':
case KEY_HOME:
case KEY_FIND:
basey = 0;
break;
case 'E':
case KEY_END:
case KEY_SELECT:
basey = pymax - porty;
if (basey < 0)
basey = 0;
break;
default:
beep();
break;
}
mvaddch(top_y - 1, top_x - 1, ACS_ULCORNER);
do_v_line(top_y, top_x - 1, ACS_VLINE, porty);
do_h_line(top_y - 1, top_x, ACS_HLINE, portx);
if (scrollers && (pxmax > portx - 1)) {
int length = (portx - top_x - 1);
float ratio = ((float) length) / ((float) pxmax);
lowend = (int) (top_x + (basex * ratio));
highend = (int) (top_x + ((basex + length) * ratio));
do_h_line(porty - 1, top_x, ACS_HLINE, lowend);
if (highend < portx) {
attron(A_REVERSE);
do_h_line(porty - 1, lowend, ' ', highend + 1);
attroff(A_REVERSE);
do_h_line(porty - 1, highend + 1, ACS_HLINE, portx);
}
} else
do_h_line(porty - 1, top_x, ACS_HLINE, portx);
if (scrollers && (pymax > porty - 1)) {
int length = (porty - top_y - 1);
float ratio = ((float) length) / ((float) pymax);
lowend = (int) (top_y + (basey * ratio));
highend = (int) (top_y + ((basey + length) * ratio));
do_v_line(top_y, portx - 1, ACS_VLINE, lowend);
if (highend < porty) {
attron(A_REVERSE);
do_v_line(lowend, portx - 1, ' ', highend + 1);
attroff(A_REVERSE);
do_v_line(highend + 1, portx - 1, ACS_VLINE, porty);
}
} else
do_v_line(top_y, portx - 1, ACS_VLINE, porty);
mvaddch(top_y - 1, portx - 1, ACS_URCORNER);
mvaddch(porty - 1, top_x - 1, ACS_LLCORNER);
mvaddch(porty - 1, portx - 1, ACS_LRCORNER);
if (!pending_pan) {
#if HAVE_GETTIMEOFDAY
gettimeofday(&before, 0);
#endif
wnoutrefresh(stdscr);
pnoutrefresh(pad,
basey, basex,
top_y, top_x,
porty - (pxmax > portx) - 1,
portx - (pymax > porty) - 1);
doupdate();
#if HAVE_GETTIMEOFDAY
if (timing) {
double elapsed;
gettimeofday(&after, 0);
elapsed = (after.tv_sec + after.tv_usec / 1.0e6)
- (before.tv_sec + before.tv_usec / 1.0e6);
move(LINES - 1, COLS - 20);
printw("Secs: %2.03f", elapsed);
refresh();
}
#endif
}
} while
((c = pgetc(pad)) != KEY_EXIT);
scrollok(stdscr, TRUE); /* reset to driver's default */
}
static int
padgetch(WINDOW *win)
{
static int count;
static int last;
int c;
if ((pending_pan = (count > 0)) != FALSE) {
count--;
pending_pan = (count != 0);
} else {
for (;;) {
switch (c = wGetchar(win)) {
case '!':
ShellOut(FALSE);
/* FALLTHRU */
case CTRL('r'):
endwin();
refresh();
c = KEY_REFRESH;
break;
case CTRL('l'):
c = KEY_REFRESH;
break;
case 'U':
c = KEY_UP;
break;
case 'D':
c = KEY_DOWN;
break;
case 'R':
c = KEY_RIGHT;
break;
case 'L':
c = KEY_LEFT;
break;
case '+':
c = KEY_IL;
break;
case '-':
c = KEY_DL;
break;
case '>':
c = KEY_IC;
break;
case '<':
c = KEY_DC;
break;
case ERR: /* FALLTHRU */
case 'q':
count = 0;
c = KEY_EXIT;
break;
default:
if (c >= '0' && c <= '9') {
count = count * 10 + (c - '0');
continue;
}
break;
}
last = c;
break;
}
if (count > 0)
count--;
}
return (last);
}
#define PAD_HIGH 200
#define PAD_WIDE 200
static void
demo_pad(void)
/* Demonstrate pads. */
{
int i, j;
unsigned gridcount = 0;
WINDOW *panpad = newpad(PAD_HIGH, PAD_WIDE);
if (panpad == 0) {
Cannot("cannot create requested pad");
return;
}
for (i = 0; i < PAD_HIGH; i++) {
for (j = 0; j < PAD_WIDE; j++)
if (i % GRIDSIZE == 0 && j % GRIDSIZE == 0) {
if (i == 0 || j == 0)
waddch(panpad, '+');
else
waddch(panpad, (chtype) ('A' + (gridcount++ % 26)));
} else if (i % GRIDSIZE == 0)
waddch(panpad, '-');
else if (j % GRIDSIZE == 0)
waddch(panpad, '|');
else
waddch(panpad, ' ');
}
panner_legend(LINES - 4);
panner_legend(LINES - 3);
panner_legend(LINES - 2);
panner_legend(LINES - 1);
keypad(panpad, TRUE);
/* Make the pad (initially) narrow enough that a trace file won't wrap.
* We'll still be able to widen it during a test, since that's required
* for testing boundaries.
*/
panner(panpad, 2, 2, LINES - 5, COLS - 15, padgetch);
delwin(panpad);
endwin();
erase();
}
#endif /* USE_LIBPANEL */
/****************************************************************************
*
* Tests from John Burnell's PDCurses tester
*
****************************************************************************/
static void
Continue(WINDOW *win)
{
noecho();
wmove(win, 10, 1);
mvwaddstr(win, 10, 1, " Press any key to continue");
wrefresh(win);
wGetchar(win);
}
static void
flushinp_test(WINDOW *win)
/* Input test, adapted from John Burnell's PDCurses tester */
{
int w, h, bx, by, sw, sh, i;
WINDOW *subWin;
wclear(win);
getmaxyx(win, h, w);
getbegyx(win, by, bx);
sw = w / 3;
sh = h / 3;
if ((subWin = subwin(win, sh, sw, by + h - sh - 2, bx + w - sw - 2)) == 0)
return;
#ifdef A_COLOR
if (has_colors()) {
init_pair(2, COLOR_CYAN, COLOR_BLUE);
wbkgd(subWin, COLOR_PAIR(2) | ' ');
}
#endif
wattrset(subWin, A_BOLD);
box(subWin, ACS_VLINE, ACS_HLINE);
mvwaddstr(subWin, 2, 1, "This is a subwindow");
wrefresh(win);
/*
* This used to set 'nocbreak()'. However, Alexander Lukyanov says that
* it only happened to "work" on SVr4 because that implementation does not
* emulate nocbreak+noecho mode, whereas ncurses does. To get the desired
* test behavior, we're using 'cbreak()', which will allow a single
* character to return without needing a newline. - T.Dickey 1997/10/11.
*/
cbreak();
mvwaddstr(win, 0, 1, "This is a test of the flushinp() call.");
mvwaddstr(win, 2, 1, "Type random keys for 5 seconds.");
mvwaddstr(win, 3, 1,
"These should be discarded (not echoed) after the subwindow goes away.");
wrefresh(win);
for (i = 0; i < 5; i++) {
mvwprintw(subWin, 1, 1, "Time = %d", i);
wrefresh(subWin);
napms(1000);
flushinp();
}
delwin(subWin);
werase(win);
flash();
wrefresh(win);
napms(1000);
mvwaddstr(win, 2, 1,
"If you were still typing when the window timer expired,");
mvwaddstr(win, 3, 1,
"or else you typed nothing at all while it was running,");
mvwaddstr(win, 4, 1,
"test was invalid. You'll see garbage or nothing at all. ");
mvwaddstr(win, 6, 1, "Press a key");
wmove(win, 9, 10);
wrefresh(win);
echo();
wGetchar(win);
flushinp();
mvwaddstr(win, 12, 0,
"If you see any key other than what you typed, flushinp() is broken.");
Continue(win);
wmove(win, 9, 10);
wdelch(win);
wrefresh(win);
wmove(win, 12, 0);
clrtoeol();
waddstr(win,
"What you typed should now have been deleted; if not, wdelch() failed.");
Continue(win);
cbreak();
}
/****************************************************************************
*
* Menu test
*
****************************************************************************/
#if USE_LIBMENU
#define MENU_Y 8
#define MENU_X 8
static int
menu_virtualize(int c)
{
if (c == '\n' || c == KEY_EXIT)
return (MAX_COMMAND + 1);
else if (c == 'u')
return (REQ_SCR_ULINE);
else if (c == 'd')
return (REQ_SCR_DLINE);
else if (c == 'b' || c == KEY_NPAGE)
return (REQ_SCR_UPAGE);
else if (c == 'f' || c == KEY_PPAGE)
return (REQ_SCR_DPAGE);
else if (c == 'n' || c == KEY_DOWN)
return (REQ_NEXT_ITEM);
else if (c == 'p' || c == KEY_UP)
return (REQ_PREV_ITEM);
else if (c == ' ')
return (REQ_TOGGLE_ITEM);
else {
if (c != KEY_MOUSE)
beep();
return (c);
}
}
static const char *animals[] =
{
"Lions", "Tigers", "Bears", "(Oh my!)", "Newts", "Platypi", "Lemurs",
(char *) 0
};
static void
menu_test(void)
{
MENU *m;
ITEM *items[SIZEOF(animals)];
ITEM **ip = items;
const char **ap;
int mrows, mcols, c;
WINDOW *menuwin;
#ifdef NCURSES_MOUSE_VERSION
mousemask(ALL_MOUSE_EVENTS, (mmask_t *) 0);
#endif
mvaddstr(0, 0, "This is the menu test:");
mvaddstr(2, 0, " Use up and down arrow to move the select bar.");
mvaddstr(3, 0, " 'n' and 'p' act like arrows.");
mvaddstr(4, 0,
" 'b' and 'f' scroll up/down (page), 'u' and 'd' (line).");
mvaddstr(5, 0, " Press return to exit.");
refresh();
for (ap = animals; *ap; ap++)
*ip++ = new_item(*ap, "");
*ip = (ITEM *) 0;
m = new_menu(items);
set_menu_format(m, (SIZEOF(animals) + 1) / 2, 1);
scale_menu(m, &mrows, &mcols);
menuwin = newwin(mrows + 2, mcols + 2, MENU_Y, MENU_X);
set_menu_win(m, menuwin);
keypad(menuwin, TRUE);
box(menuwin, 0, 0);
set_menu_sub(m, derwin(menuwin, mrows, mcols, 1, 1));
post_menu(m);
while ((c = menu_driver(m, menu_virtualize(wGetchar(menuwin)))) != E_UNKNOWN_COMMAND) {
if (c == E_REQUEST_DENIED)
beep();
continue;
}
(void) mvprintw(LINES - 2, 0,
"You chose: %s\n", item_name(current_item(m)));
(void) addstr("Press any key to continue...");
wGetchar(stdscr);
unpost_menu(m);
delwin(menuwin);
free_menu(m);
for (ip = items; *ip; ip++)
free_item(*ip);
#ifdef NCURSES_MOUSE_VERSION
mousemask(0, (mmask_t *) 0);
#endif
}
#ifdef TRACE
#define T_TBL(name) { #name, name }
static struct {
const char *name;
int mask;
} t_tbl[] = {
T_TBL(TRACE_DISABLE),
T_TBL(TRACE_TIMES),
T_TBL(TRACE_TPUTS),
T_TBL(TRACE_UPDATE),
T_TBL(TRACE_MOVE),
T_TBL(TRACE_CHARPUT),
T_TBL(TRACE_ORDINARY),
T_TBL(TRACE_CALLS),
T_TBL(TRACE_VIRTPUT),
T_TBL(TRACE_IEVENT),
T_TBL(TRACE_BITS),
T_TBL(TRACE_ICALLS),
T_TBL(TRACE_CCALLS),
T_TBL(TRACE_DATABASE),
T_TBL(TRACE_ATTRS),
T_TBL(TRACE_MAXIMUM),
{
(char *) 0, 0
}
};
static char *
tracetrace(int tlevel)
{
static char *buf;
int n;
if (buf == 0) {
size_t need = 12;
for (n = 0; t_tbl[n].name != 0; n++)
need += strlen(t_tbl[n].name) + 2;
buf = (char *) malloc(need);
}
sprintf(buf, "0x%02x = {", tlevel);
if (tlevel == 0) {
sprintf(buf + strlen(buf), "%s, ", t_tbl[0].name);
} else {
for (n = 1; t_tbl[n].name != 0; n++)
if ((tlevel & t_tbl[n].mask) == t_tbl[n].mask) {
strcat(buf, t_tbl[n].name);
strcat(buf, ", ");
}
}
if (buf[strlen(buf) - 2] == ',')
buf[strlen(buf) - 2] = '\0';
return (strcat(buf, "}"));
}
/* fake a dynamically reconfigurable menu using the 0th entry to deselect
* the others
*/
static int
run_trace_menu(MENU * m)
{
ITEM **items;
ITEM *i, **p;
for (;;) {
bool changed = FALSE;
switch (menu_driver(m, menu_virtualize(wGetchar(menu_win(m))))) {
case E_UNKNOWN_COMMAND:
return FALSE;
default:
items = menu_items(m);
i = current_item(m);
if (i == items[0]) {
if (item_value(i)) {
for (p = items + 1; *p != 0; p++)
if (item_value(*p)) {
set_item_value(*p, FALSE);
changed = TRUE;
}
}
} else {
for (p = items + 1; *p != 0; p++)
if (item_value(*p)) {
set_item_value(items[0], FALSE);
changed = TRUE;
break;
}
}
if (!changed)
return TRUE;
}
}
}
static void
trace_set(void)
/* interactively set the trace level */
{
MENU *m;
ITEM *items[SIZEOF(t_tbl)];
ITEM **ip = items;
int mrows, mcols, newtrace;
int n;
WINDOW *menuwin;
mvaddstr(0, 0, "Interactively set trace level:");
mvaddstr(2, 0, " Press space bar to toggle a selection.");
mvaddstr(3, 0, " Use up and down arrow to move the select bar.");
mvaddstr(4, 0, " Press return to set the trace level.");
mvprintw(6, 0, "(Current trace level is %s)", tracetrace(_nc_tracing));
refresh();
for (n = 0; t_tbl[n].name != 0; n++)
*ip++ = new_item(t_tbl[n].name, "");
*ip = (ITEM *) 0;
m = new_menu(items);
set_menu_format(m, 0, 2);
scale_menu(m, &mrows, &mcols);
menu_opts_off(m, O_ONEVALUE);
menuwin = newwin(mrows + 2, mcols + 2, MENU_Y, MENU_X);
set_menu_win(m, menuwin);
keypad(menuwin, TRUE);
box(menuwin, 0, 0);
set_menu_sub(m, derwin(menuwin, mrows, mcols, 1, 1));
post_menu(m);
for (ip = menu_items(m); *ip; ip++) {
int mask = t_tbl[item_index(*ip)].mask;
if (mask == 0)
set_item_value(*ip, _nc_tracing == 0);
else if ((mask & _nc_tracing) == mask)
set_item_value(*ip, TRUE);
}
while (run_trace_menu(m))
continue;
newtrace = 0;
for (ip = menu_items(m); *ip; ip++)
if (item_value(*ip))
newtrace |= t_tbl[item_index(*ip)].mask;
trace(newtrace);
_tracef("trace level interactively set to %s", tracetrace(_nc_tracing));
(void) mvprintw(LINES - 2, 0,
"Trace level is %s\n", tracetrace(_nc_tracing));
(void) addstr("Press any key to continue...");
wGetchar(stdscr);
unpost_menu(m);
delwin(menuwin);
free_menu(m);
for (ip = items; *ip; ip++)
free_item(*ip);
}
#endif /* TRACE */
#endif /* USE_LIBMENU */
/****************************************************************************
*
* Forms test
*
****************************************************************************/
#if USE_LIBFORM
static FIELD *
make_label(int frow, int fcol, NCURSES_CONST char *label)
{
FIELD *f = new_field(1, strlen(label), frow, fcol, 0, 0);
if (f) {
set_field_buffer(f, 0, label);
set_field_opts(f, field_opts(f) & ~O_ACTIVE);
}
return (f);
}
static FIELD *
make_field(int frow, int fcol, int rows, int cols, bool secure)
{
FIELD *f = new_field(rows, cols, frow, fcol, 0, secure ? 1 : 0);
if (f) {
set_field_back(f, A_UNDERLINE);
set_field_userptr(f, (void *) 0);
}
return (f);
}
static void
display_form(FORM * f)
{
WINDOW *w;
int rows, cols;
scale_form(f, &rows, &cols);
if ((w = newwin(rows + 2, cols + 4, 0, 0)) != (WINDOW *) 0) {
set_form_win(f, w);
set_form_sub(f, derwin(w, rows, cols, 1, 2));
box(w, 0, 0);
keypad(w, TRUE);
}
if (post_form(f) != E_OK)
wrefresh(w);
}
static void
erase_form(FORM * f)
{
WINDOW *w = form_win(f);
WINDOW *s = form_sub(f);
unpost_form(f);
werase(w);
wrefresh(w);
delwin(s);
delwin(w);
}
static int
edit_secure(FIELD * me, int c)
{
int rows, cols, frow, fcol, nrow, nbuf;
if (field_info(me, &rows, &cols, &frow, &fcol, &nrow, &nbuf) == E_OK
&& nbuf > 0) {
char temp[80];
long len;
strcpy(temp, field_buffer(me, 1));
len = (long) (char *) field_userptr(me);
if (c <= KEY_MAX) {
if (isgraph(c)) {
temp[len++] = c;
temp[len] = 0;
set_field_buffer(me, 1, temp);
c = '*';
} else {
c = 0;
}
} else {
switch (c) {
case REQ_BEG_FIELD:
case REQ_CLR_EOF:
case REQ_CLR_EOL:
case REQ_DEL_LINE:
case REQ_DEL_WORD:
case REQ_DOWN_CHAR:
case REQ_END_FIELD:
case REQ_INS_CHAR:
case REQ_INS_LINE:
case REQ_LEFT_CHAR:
case REQ_NEW_LINE:
case REQ_NEXT_WORD:
case REQ_PREV_WORD:
case REQ_RIGHT_CHAR:
case REQ_UP_CHAR:
c = 0; /* we don't want to do inline editing */
break;
case REQ_CLR_FIELD:
if (len) {
temp[0] = 0;
set_field_buffer(me, 1, temp);
}
break;
case REQ_DEL_CHAR:
case REQ_DEL_PREV:
if (len) {
temp[--len] = 0;
set_field_buffer(me, 1, temp);
}
break;
}
}
set_field_userptr(me, (void *) len);
}
return c;
}
static int
form_virtualize(FORM * f, WINDOW *w)
{
static const struct {
int code;
int result;
} lookup[] = {
{
CTRL('A'), REQ_NEXT_CHOICE
},
{
CTRL('B'), REQ_PREV_WORD
},
{
CTRL('C'), REQ_CLR_EOL
},
{
CTRL('D'), REQ_DOWN_FIELD
},
{
CTRL('E'), REQ_END_FIELD
},
{
CTRL('F'), REQ_NEXT_PAGE
},
{
CTRL('G'), REQ_DEL_WORD
},
{
CTRL('H'), REQ_DEL_PREV
},
{
CTRL('I'), REQ_INS_CHAR
},
{
CTRL('K'), REQ_CLR_EOF
},
{
CTRL('L'), REQ_LEFT_FIELD
},
{
CTRL('M'), REQ_NEW_LINE
},
{
CTRL('N'), REQ_NEXT_FIELD
},
{
CTRL('O'), REQ_INS_LINE
},
{
CTRL('P'), REQ_PREV_FIELD
},
{
CTRL('R'), REQ_RIGHT_FIELD
},
{
CTRL('S'), REQ_BEG_FIELD
},
{
CTRL('U'), REQ_UP_FIELD
},
{
CTRL('V'), REQ_DEL_CHAR
},
{
CTRL('W'), REQ_NEXT_WORD
},
{
CTRL('X'), REQ_CLR_FIELD
},
{
CTRL('Y'), REQ_DEL_LINE
},
{
CTRL('Z'), REQ_PREV_CHOICE
},
{
ESCAPE, MAX_FORM_COMMAND + 1
},
{
KEY_BACKSPACE, REQ_DEL_PREV
},
{
KEY_DOWN, REQ_DOWN_CHAR
},
{
KEY_END, REQ_LAST_FIELD
},
{
KEY_HOME, REQ_FIRST_FIELD
},
{
KEY_LEFT, REQ_LEFT_CHAR
},
{
KEY_LL, REQ_LAST_FIELD
},
{
KEY_NEXT, REQ_NEXT_FIELD
},
{
KEY_NPAGE, REQ_NEXT_PAGE
},
{
KEY_PPAGE, REQ_PREV_PAGE
},
{
KEY_PREVIOUS, REQ_PREV_FIELD
},
{
KEY_RIGHT, REQ_RIGHT_CHAR
},
{
KEY_UP, REQ_UP_CHAR
},
{
QUIT, MAX_FORM_COMMAND + 1
}
};
static int mode = REQ_INS_MODE;
int c = wGetchar(w);
unsigned n;
FIELD *me = current_field(f);
if (c == CTRL(']')) {
if (mode == REQ_INS_MODE)
mode = REQ_OVL_MODE;
else
mode = REQ_INS_MODE;
c = mode;
} else {
for (n = 0; n < SIZEOF(lookup); n++) {
if (lookup[n].code == c) {
c = lookup[n].result;
break;
}
}
}
/*
* Force the field that the user is typing into to be in reverse video,
* while the other fields are shown underlined.
*/
if (c <= KEY_MAX) {
c = edit_secure(me, c);
set_field_back(me, A_REVERSE);
} else if (c <= MAX_FORM_COMMAND) {
c = edit_secure(me, c);
set_field_back(me, A_UNDERLINE);
}
return c;
}
static int
my_form_driver(FORM * form, int c)
{
if (c == (MAX_FORM_COMMAND + 1)
&& form_driver(form, REQ_VALIDATION) == E_OK)
return (TRUE);
else {
beep();
return (FALSE);
}
}
static void
demo_forms(void)
{
WINDOW *w;
FORM *form;
FIELD *f[12], *secure;
int finished = 0, c;
unsigned n = 0;
move(18, 0);
addstr("Defined form-traversal keys: ^Q/ESC- exit form\n");
addstr("^N -- go to next field ^P -- go to previous field\n");
addstr("Home -- go to first field End -- go to last field\n");
addstr("^L -- go to field to left ^R -- go to field to right\n");
addstr("^U -- move upward to field ^D -- move downward to field\n");
addstr("^W -- go to next word ^B -- go to previous word\n");
addstr("^S -- go to start of field ^E -- go to end of field\n");
addstr("^H -- delete previous char ^Y -- delete line\n");
addstr("^G -- delete current word ^C -- clear to end of line\n");
addstr("^K -- clear to end of field ^X -- clear field\n");
addstr("Arrow keys move within a field as you would expect.");
mvaddstr(4, 57, "Forms Entry Test");
refresh();
/* describe the form */
f[n++] = make_label(0, 15, "Sample Form");
f[n++] = make_label(2, 0, "Last Name");
f[n++] = make_field(3, 0, 1, 18, FALSE);
f[n++] = make_label(2, 20, "First Name");
f[n++] = make_field(3, 20, 1, 12, FALSE);
f[n++] = make_label(2, 34, "Middle Name");
f[n++] = make_field(3, 34, 1, 12, FALSE);
f[n++] = make_label(5, 0, "Comments");
f[n++] = make_field(6, 0, 4, 46, FALSE);
f[n++] = make_label(5, 20, "Password:");
secure =
f[n++] = make_field(5, 30, 1, 9, TRUE);
f[n++] = (FIELD *) 0;
form = new_form(f);
display_form(form);
w = form_win(form);
raw();
nonl(); /* lets us read ^M's */
while (!finished) {
switch (form_driver(form, c = form_virtualize(form, w))) {
case E_OK:
mvaddstr(5, 57, field_buffer(secure, 1));
clrtoeol();
refresh();
break;
case E_UNKNOWN_COMMAND:
finished = my_form_driver(form, c);
break;
default:
beep();
break;
}
}
erase_form(form);
free_form(form);
for (c = 0; f[c] != 0; c++)
free_field(f[c]);
noraw();
nl();
}
#endif /* USE_LIBFORM */
/****************************************************************************
*
* Overlap test
*
****************************************************************************/
static void
fillwin(WINDOW *win, char ch)
{
int y, x;
int y1, x1;
getmaxyx(win, y1, x1);
for (y = 0; y < y1; y++) {
wmove(win, y, 0);
for (x = 0; x < x1; x++)
waddch(win, ch);
}
}
static void
crosswin(WINDOW *win, char ch)
{
int y, x;
int y1, x1;
getmaxyx(win, y1, x1);
for (y = 0; y < y1; y++) {
for (x = 0; x < x1; x++)
if (((x > (x1 - 1) / 3) && (x <= (2 * (x1 - 1)) / 3))
|| (((y > (y1 - 1) / 3) && (y <= (2 * (y1 - 1)) / 3)))) {
wmove(win, y, x);
waddch(win, ch);
}
}
}
static void
overlap_test(void)
/* test effects of overlapping windows */
{
int ch;
WINDOW *win1 = newwin(9, 20, 3, 3);
WINDOW *win2 = newwin(9, 20, 9, 16);
raw();
refresh();
move(0, 0);
printw("This test shows the behavior of wnoutrefresh() with respect to\n");
printw("the shared region of two overlapping windows A and B. The cross\n");
printw("pattern in each window does not overlap the other.\n");
move(18, 0);
printw("a = refresh A, then B, then doupdate. b = refresh B, then A, then doupdaute\n");
printw("c = fill window A with letter A. d = fill window B with letter B.\n");
printw("e = cross pattern in window A. f = cross pattern in window B.\n");
printw("g = clear window A. h = clear window B.\n");
printw("i = overwrite A onto B. j = overwrite B onto A.\n");
printw("^Q/ESC = terminate test.");
while ((ch = Getchar()) != QUIT && ch != ESCAPE)
switch (ch) {
case 'a': /* refresh window A first, then B */
wnoutrefresh(win1);
wnoutrefresh(win2);
doupdate();
break;
case 'b': /* refresh window B first, then A */
wnoutrefresh(win2);
wnoutrefresh(win1);
doupdate();
break;
case 'c': /* fill window A so it's visible */
fillwin(win1, 'A');
break;
case 'd': /* fill window B so it's visible */
fillwin(win2, 'B');
break;
case 'e': /* cross test pattern in window A */
crosswin(win1, 'A');
break;
case 'f': /* cross test pattern in window A */
crosswin(win2, 'B');
break;
case 'g': /* clear window A */
wclear(win1);
wmove(win1, 0, 0);
break;
case 'h': /* clear window B */
wclear(win2);
wmove(win2, 0, 0);
break;
case 'i': /* overwrite A onto B */
overwrite(win1, win2);
break;
case 'j': /* overwrite B onto A */
overwrite(win2, win1);
break;
}
delwin(win2);
delwin(win1);
erase();
endwin();
}
/****************************************************************************
*
* Main sequence
*
****************************************************************************/
static bool
do_single_test(const char c)
/* perform a single specified test */
{
switch (c) {
case 'a':
getch_test();
break;
case 'b':
attr_test();
break;
case 'c':
if (!has_colors())
Cannot("does not support color.");
else
color_test();
break;
case 'd':
if (!has_colors())
Cannot("does not support color.");
else if (!can_change_color())
Cannot("has hardwired color values.");
else
color_edit();
break;
case 'e':
slk_test();
break;
case 'f':
acs_display();
break;
#if USE_LIBPANEL
case 'o':
demo_panels();
break;
#endif
case 'g':
acs_and_scroll();
break;
case 'i':
flushinp_test(stdscr);
break;
case 'k':
test_sgr_attributes();
break;
#if USE_LIBMENU
case 'm':
menu_test();
break;
#endif
#if USE_LIBPANEL
case 'p':
demo_pad();
break;
#endif
#if USE_LIBFORM
case 'r':
demo_forms();
break;
#endif
case 's':
overlap_test();
break;
#if USE_LIBMENU && defined(TRACE)
case 't':
trace_set();
break;
#endif
case '?':
break;
default:
return FALSE;
}
return TRUE;
}
static void
usage(void)
{
static const char *const tbl[] =
{
"Usage: ncurses [options]"
,""
,"Options:"
#ifdef NCURSES_VERSION
," -a f,b set default-colors (assumed white-on-black)"
," -d use default-colors if terminal supports them"
#endif
," -e fmt specify format for soft-keys test (e)"
," -f rip-off footer line (can repeat)"
," -h rip-off header line (can repeat)"
," -s msec specify nominal time for panel-demo (default: 1, to hold)"
#ifdef TRACE
," -t mask specify default trace-level (may toggle with ^T)"
#endif
};
size_t n;
for (n = 0; n < SIZEOF(tbl); n++)
fprintf(stderr, "%s\n", tbl[n]);
exit(EXIT_FAILURE);
}
static void
set_terminal_modes(void)
{
noraw();
cbreak();
noecho();
scrollok(stdscr, TRUE);
idlok(stdscr, TRUE);
keypad(stdscr, TRUE);
}
#ifdef SIGUSR1
static RETSIGTYPE
announce_sig(int sig)
{
(void) fprintf(stderr, "Handled signal %d\r\n", sig);
}
#endif
static int
rip_footer(WINDOW *win, int columns)
{
wbkgd(win, A_REVERSE);
werase(win);
wmove(win, 0, 0);
wprintw(win, "footer: %d columns", columns);
wnoutrefresh(win);
return OK;
}
static int
rip_header(WINDOW *win, int columns)
{
wbkgd(win, A_REVERSE);
werase(win);
wmove(win, 0, 0);
wprintw(win, "header: %d columns", columns);
wnoutrefresh(win);
return OK;
}
/*+-------------------------------------------------------------------------
main(argc,argv)
--------------------------------------------------------------------------*/
int
main(int argc, char *argv[])
{
int command, c;
int my_e_param = 1;
#ifdef NCURSES_VERSION
int default_fg = COLOR_WHITE;
int default_bg = COLOR_BLACK;
bool assumed_colors = FALSE;
bool default_colors = FALSE;
#endif
#if HAVE_LOCALE_H
setlocale(LC_CTYPE, "");
#endif
while ((c = getopt(argc, argv, "a:de:fhs:t:")) != EOF) {
switch (c) {
#ifdef NCURSES_VERSION
case 'a':
assumed_colors = TRUE;
sscanf(optarg, "%d,%d", &default_fg, &default_bg);
break;
case 'd':
default_colors = TRUE;
break;
#endif
case 'e':
my_e_param = atoi(optarg);
#ifdef NCURSES_VERSION
if (my_e_param > 3) /* allow extended layouts */
usage();
#else
if (my_e_param > 1)
usage();
#endif
break;
case 'f':
ripoffline(-1, rip_footer);
break;
case 'h':
ripoffline(1, rip_header);
break;
#if USE_LIBPANEL
case 's':
nap_msec = atol(optarg);
break;
#endif
#ifdef TRACE
case 't':
save_trace = atoi(optarg);
break;
#endif
default:
usage();
}
}
/*
* If there's no menus (unlikely for ncurses!), then we'll have to set
* tracing on initially, just in case the user wants to test something that
* doesn't involve wGetchar.
*/
#ifdef TRACE
/* enable debugging */
#if !USE_LIBMENU
trace(save_trace);
#else
if (!isatty(fileno(stdin)))
trace(save_trace);
#endif /* USE_LIBMENU */
#endif /* TRACE */
/* tell it we're going to play with soft keys */
slk_init(my_e_param);
#ifdef SIGUSR1
/* set up null signal catcher so we can see what interrupts to getch do */
signal(SIGUSR1, announce_sig);
#endif
/* we must initialize the curses data structure only once */
initscr();
bkgdset(BLANK);
/* tests, in general, will want these modes */
if (has_colors()) {
start_color();
#ifdef NCURSES_VERSION_PATCH
max_colors = COLORS > 16 ? 16 : COLORS;
if (default_colors)
use_default_colors();
#if NCURSES_VERSION_PATCH >= 20000708
else if (assumed_colors)
assume_default_colors(default_fg, default_bg);
#endif
#else /* normal SVr4 curses */
max_colors = COLORS > 8 ? 8 : COLORS;
#endif
max_pairs = (max_colors * max_colors);
if (max_pairs < COLOR_PAIRS)
max_pairs = COLOR_PAIRS;
}
set_terminal_modes();
def_prog_mode();
/*
* Return to terminal mode, so we're guaranteed of being able to
* select terminal commands even if the capabilities are wrong.
*/
endwin();
#if HAVE_CURSES_VERSION
(void) printf("Welcome to %s. Press ? for help.\n", curses_version());
#elif defined(NCURSES_VERSION_MAJOR) && defined(NCURSES_VERSION_MINOR) && defined(NCURSES_VERSION_PATCH)
(void) printf("Welcome to ncurses %d.%d.%d. Press ? for help.\n",
NCURSES_VERSION_MAJOR,
NCURSES_VERSION_MINOR,
NCURSES_VERSION_PATCH);
#else
(void) puts("Welcome to ncurses. Press ? for help.");
#endif
do {
(void) puts("This is the ncurses main menu");
(void) puts("a = keyboard and mouse input test");
(void) puts("b = character attribute test");
(void) puts("c = color test pattern");
(void) puts("d = edit RGB color values");
(void) puts("e = exercise soft keys");
(void) puts("f = display ACS characters");
(void) puts("g = display windows and scrolling");
(void) puts("i = test of flushinp()");
(void) puts("k = display character attributes");
#if USE_LIBMENU
(void) puts("m = menu code test");
#endif
#if USE_LIBPANEL
(void) puts("o = exercise panels library");
(void) puts("p = exercise pad features");
(void) puts("q = quit");
#endif
#if USE_LIBFORM
(void) puts("r = exercise forms code");
#endif
(void) puts("s = overlapping-refresh test");
#if USE_LIBMENU && defined(TRACE)
(void) puts("t = set trace level");
#endif
(void) puts("? = repeat this command summary");
(void) fputs("> ", stdout);
(void) fflush(stdout); /* necessary under SVr4 curses */
/*
* This used to be an 'fgets()' call. However (on Linux, at least)
* mixing stream I/O and 'read()' (used in the library) causes the
* input stream to be flushed when switching between the two.
*/
command = 0;
for (;;) {
char ch;
if (read(fileno(stdin), &ch, 1) <= 0) {
if (command == 0)
command = 'q';
break;
} else if (command == 0 && !isspace(CharOf(ch))) {
command = ch;
} else if (ch == '\n' || ch == '\r') {
if (command != 0)
break;
(void) fputs("> ", stdout);
(void) fflush(stdout);
}
}
if (do_single_test(command)) {
/*
* This may be overkill; it's intended to reset everything back
* to the initial terminal modes so that tests don't get in
* each other's way.
*/
flushinp();
set_terminal_modes();
reset_prog_mode();
clear();
refresh();
endwin();
if (command == '?') {
(void) puts("This is the ncurses capability tester.");
(void)
puts("You may select a test from the main menu by typing the");
(void)
puts("key letter of the choice (the letter to left of the =)");
(void)
puts("at the > prompt. The commands `x' or `q' will exit.");
}
continue;
}
} while
(command != 'q');
ExitProgram(EXIT_SUCCESS);
}
/* ncurses.c ends here */
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