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/*
* $Id: test_opaque.c,v 1.9 2009/10/24 21:21:29 tom Exp $
*
* Author: Thomas E Dickey
*
* Demonstrate the opaque functions from the curses library.
WINDOW * wgetparent (const WINDOW *);
bool is_cleared(const WINDOW *win);
bool is_idcok(const WINDOW *win);
bool is_idlok(const WINDOW *win);
bool is_immedok(const WINDOW *win);
bool is_keypad(const WINDOW *win);
bool is_leaveok(const WINDOW *win);
bool is_nodelay(const WINDOW *win);
bool is_notimeout(const WINDOW *win);
bool is_scrollok(const WINDOW *win);
bool is_syncok(const WINDOW *win);
int wgetscrreg (const WINDOW *, int *, int *);
*/
#include <test.priv.h>
#define BASE_Y 6
#define MAX_COLS 1024
#if defined(NCURSES_VERSION_PATCH) && (NCURSES_VERSION_PATCH >= 20080119) && NCURSES_EXT_FUNCS
static bool
Quit(int ch)
{
return (ch == 'q' || ch == QUIT || ch == ESCAPE);
}
typedef bool(*BoolOpaque) (WINDOW *, int);
static bool
test_opaque_cleared(WINDOW *win, int mode)
{
if (mode >= 0) {
if (mode)
wclear(win);
}
return is_cleared(win);
}
static bool
test_opaque_idcok(WINDOW *win, int mode)
{
if (mode >= 0) {
idcok(win, mode);
}
return is_idcok(win);
}
static bool
test_opaque_idlok(WINDOW *win, int mode)
{
if (mode >= 0) {
idlok(win, mode);
}
return is_idlok(win);
}
static bool
test_opaque_immedok(WINDOW *win, int mode)
{
if (mode >= 0) {
immedok(win, mode);
}
return is_immedok(win);
}
static bool
test_opaque_keypad(WINDOW *win, int mode)
{
if (mode >= 0) {
keypad(win, mode);
}
return is_keypad(win);
}
static bool
test_opaque_leaveok(WINDOW *win, int mode)
{
if (mode >= 0) {
leaveok(win, mode);
}
return is_leaveok(win);
}
static bool
test_opaque_nodelay(WINDOW *win, int mode)
{
if (mode >= 0) {
nodelay(win, mode);
}
return is_nodelay(win);
}
static bool
test_opaque_notimeout(WINDOW *win, int mode)
{
if (mode >= 0) {
notimeout(win, mode);
}
return is_notimeout(win);
}
static bool
test_opaque_scrollok(WINDOW *win, int mode)
{
if (mode >= 0) {
scrollok(win, mode);
}
return is_scrollok(win);
}
static bool
test_opaque_syncok(WINDOW *win, int mode)
{
if (mode >= 0) {
syncok(win, mode);
}
return is_syncok(win);
}
static int
status_y(WINDOW *stswin, int cell)
{
return (cell % getmaxy(stswin));
}
static int
status_x(WINDOW *stswin, int cell)
{
return (15 * (cell / getmaxy(stswin)));
}
static void
to_keyword(WINDOW *stswin, int cell)
{
wmove(stswin, status_y(stswin, cell), status_x(stswin, cell));
}
static void
to_result(WINDOW *stswin, int cell, bool before)
{
int y = status_y(stswin, cell);
int x = status_x(stswin, cell) + 11;
if (!before)
++x;
wmove(stswin, y, x);
}
static void
show_keyword(WINDOW *stswin, int cell, int active, const char *name)
{
to_keyword(stswin, cell);
if (active == cell)
(void) wstandout(stswin);
wprintw(stswin, "%s:", name);
if (active == cell)
(void) wstandend(stswin);
}
/* *INDENT-OFF* */
static struct {
const char *name;
BoolOpaque func;
} bool_funcs[] = {
{ "cleared", test_opaque_cleared },
{ "idcok", test_opaque_idcok },
{ "idlok", test_opaque_idlok },
{ "immedok", test_opaque_immedok },
{ "keypad", test_opaque_keypad },
{ "leaveok", test_opaque_leaveok },
{ "nodelay", test_opaque_nodelay },
{ "notimeout", test_opaque_notimeout },
{ "scrollok", test_opaque_scrollok },
{ "syncok", test_opaque_syncok }
};
/* *INDENT-ON* */
/*
* Display and/or allow update for the properties accessed in the opaque
* window. Some may change state after refreshing the window, so we
* distinguish between them using the 'before' parameter.
*/
static int
show_opaque(WINDOW *stswin, WINDOW *txtwin, bool before, int active)
{
int n;
int top, bottom;
if (before) {
werase(stswin);
}
for (n = 0; n < (int) SIZEOF(bool_funcs); ++n) {
show_keyword(stswin, n, active, bool_funcs[n].name);
to_result(stswin, n, before);
wprintw(stswin, "%c", bool_funcs[n].func(txtwin, -1) ? 'T' : 'F');
}
show_keyword(stswin, n, active, "wgetparent");
to_result(stswin, n, TRUE);
wprintw(stswin, "%p", (void *) wgetparent(txtwin));
++n;
show_keyword(stswin, n, active, "wgetscrreg");
to_result(stswin, n, TRUE);
if (wgetscrreg(txtwin, &top, &bottom) == OK)
wprintw(stswin, "%d,%d", top, bottom);
wnoutrefresh(stswin);
return active;
}
static int
test_opaque(int level, char **argv, WINDOW *stswin)
{
WINDOW *txtbox = 0;
WINDOW *txtwin = 0;
FILE *fp;
int ch;
int txt_x = 0, txt_y = 0;
int base_y;
bool in_status = FALSE;
int active = 0;
if (argv[level] == 0) {
beep();
return FALSE;
}
if (level > 1) {
txtbox = newwin(LINES - BASE_Y, COLS - level, BASE_Y, level);
box(txtbox, 0, 0);
wnoutrefresh(txtbox);
txtwin = derwin(txtbox,
getmaxy(txtbox) - 2,
getmaxx(txtbox) - 2,
1, 1);
base_y = 0;
} else {
txtwin = stdscr;
base_y = BASE_Y;
}
keypad(txtwin, TRUE); /* enable keyboard mapping */
(void) cbreak(); /* take input chars one at a time, no wait for \n */
(void) noecho(); /* don't echo input */
txt_y = base_y;
txt_x = 0;
wmove(txtwin, txt_y, txt_x);
if ((fp = fopen(argv[level], "r")) != 0) {
while ((ch = fgetc(fp)) != EOF) {
if (waddch(txtwin, UChar(ch)) != OK) {
break;
}
}
fclose(fp);
} else {
wprintw(txtwin, "Cannot open:\n%s", argv[1]);
}
for (;;) {
if (in_status) {
to_keyword(stswin, active);
ch = wgetch(stswin);
show_opaque(stswin, txtwin, TRUE, active);
if (Quit(ch))
break;
switch (ch) {
case '\t':
in_status = FALSE;
break;
case KEY_DOWN:
case 'j':
if (active < (int) SIZEOF(bool_funcs) - 1)
active++;
else
beep();
break;
case KEY_UP:
case 'k':
if (active > 0)
active--;
else
beep();
break;
case ' ':
bool_funcs[active].func(txtwin,
!bool_funcs[active].func(txtwin, -1));
break;
default:
beep();
break;
}
show_opaque(stswin, txtwin, FALSE, in_status ? active : -1);
} else {
ch = mvwgetch(txtwin, txt_y, txt_x);
show_opaque(stswin, txtwin, TRUE, -1);
if (Quit(ch))
break;
switch (ch) {
case '\t':
in_status = TRUE;
break;
case KEY_DOWN:
case 'j':
if (txt_y < getmaxy(txtwin) - 1)
txt_y++;
else
beep();
break;
case KEY_UP:
case 'k':
if (txt_y > base_y)
txt_y--;
else
beep();
break;
case KEY_LEFT:
case 'h':
if (txt_x > 0)
txt_x--;
else
beep();
break;
case KEY_RIGHT:
case 'l':
if (txt_x < getmaxx(txtwin) - 1)
txt_x++;
else
beep();
break;
case 'w':
test_opaque(level + 1, argv, stswin);
if (txtbox != 0) {
touchwin(txtbox);
wnoutrefresh(txtbox);
} else {
touchwin(txtwin);
wnoutrefresh(txtwin);
}
break;
default:
beep();
napms(100);
break;
}
show_opaque(stswin, txtwin, FALSE, -1);
}
}
if (level > 1) {
delwin(txtwin);
delwin(txtbox);
}
return TRUE;
}
static void
test_set_escdelay(void)
{
set_escdelay((100 + ESCDELAY) / 2);
}
static void
test_set_tabsize(void)
{
int y0, x0;
int y, x;
int save_tabsize = TABSIZE;
(void) cbreak(); /* take input chars one at a time, no wait for \n */
(void) noecho(); /* don't echo input */
for (y = 0; y < LINES; ++y) {
set_tabsize(y + 1);
if (move(y, 0) == ERR)
break;
for (x = 0; x < COLS;) {
addch('\t');
if (addch('*') == ERR) {
break;
}
getyx(stdscr, y0, x0);
if (y0 != y || x0 == x) {
break;
}
}
}
getch();
erase();
set_tabsize(save_tabsize);
}
int
main(int argc, char *argv[])
{
WINDOW *stsbox;
WINDOW *stswin;
setlocale(LC_ALL, "");
if (argc < 2) {
fprintf(stderr, "usage: %s file\n", argv[0]);
return EXIT_FAILURE;
}
initscr();
test_set_escdelay();
test_set_tabsize();
stsbox = derwin(stdscr, BASE_Y, COLS, 0, 0);
box(stsbox, 0, 0);
wnoutrefresh(stsbox);
stswin = derwin(stsbox, BASE_Y - 2, COLS - 2, 1, 1);
keypad(stswin, TRUE);
test_opaque(1, argv, stswin);
endwin();
ExitProgram(EXIT_SUCCESS);
}
#else
int
main(void)
{
printf("This program requires the ncurses library\n");
ExitProgram(EXIT_FAILURE);
}
#endif
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