ncursesw-morphos/test/demo_altkeys.c

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/****************************************************************************
* Copyright (c) 2005-2006,2008 Free Software Foundation, Inc. *
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* *
* 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. *
****************************************************************************/
/*
* $Id: demo_altkeys.c,v 1.8 2008/04/12 22:06:22 tom Exp $
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*
* Demonstrate the define_key() function.
* Thomas Dickey - 2005/10/22
*/
#include <test.priv.h>
#if defined(NCURSES_VERSION) && NCURSES_EXT_FUNCS
#if TIME_WITH_SYS_TIME
# include <sys/time.h>
# include <time.h>
#else
# if HAVE_SYS_TIME_H
# include <sys/time.h>
# else
# include <time.h>
# endif
#endif
#define MY_LOGFILE "demo_altkeys.log"
#define MY_KEYS (KEY_MAX + 1)
/*
* Log the most recently-written line to our logfile
*/
static void
log_last_line(WINDOW *win)
{
FILE *fp;
int y, x, n;
char temp[256];
if ((fp = fopen(MY_LOGFILE, "a")) != 0) {
int need = sizeof(temp) - 1;
if (need > COLS)
need = COLS;
getyx(win, y, x);
wmove(win, y - 1, 0);
n = winnstr(win, temp, need);
while (n-- > 0) {
if (isspace(UChar(temp[n])))
temp[n] = '\0';
else
break;
}
wmove(win, y, x);
fprintf(fp, "%s\n", temp);
fclose(fp);
}
}
int
main(int argc GCC_UNUSED, char *argv[]GCC_UNUSED)
{
int n;
int ch;
#if HAVE_GETTIMEOFDAY
int secs, msecs;
struct timeval current, previous;
#endif
unlink(MY_LOGFILE);
newterm(0, stdout, stdin);
(void) cbreak(); /* take input chars one at a time, no wait for \n */
(void) noecho(); /* don't echo input */
scrollok(stdscr, TRUE);
keypad(stdscr, TRUE);
move(0, 0);
/* we do the define_key() calls after keypad(), since the first call to
* keypad() initializes the corresponding data.
*/
for (n = 0; n < 255; ++n) {
char temp[10];
sprintf(temp, "\033%c", n);
define_key(temp, n + MY_KEYS);
}
for (n = KEY_MIN; n < KEY_MAX; ++n) {
char *value;
if ((value = keybound(n, 0)) != 0) {
char *temp = typeMalloc(char, strlen(value) + 2);
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sprintf(temp, "\033%s", value);
define_key(temp, n + MY_KEYS);
free(temp);
free(value);
}
}
#if HAVE_GETTIMEOFDAY
gettimeofday(&previous, 0);
#endif
while ((ch = getch()) != ERR) {
bool escaped = (ch >= MY_KEYS);
const char *name = keyname(escaped ? (ch - MY_KEYS) : ch);
#if HAVE_GETTIMEOFDAY
gettimeofday(&current, 0);
secs = current.tv_sec - previous.tv_sec;
msecs = (current.tv_usec - previous.tv_usec) / 1000;
if (msecs < 0) {
msecs += 1000;
--secs;
}
if (msecs >= 1000) {
secs += msecs / 1000;
msecs %= 1000;
}
printw("%6d.%03d ", secs, msecs);
previous = current;
#endif
printw("Keycode %d, name %s%s\n",
ch,
escaped ? "ESC-" : "",
name != 0 ? name : "<null>");
log_last_line(stdscr);
clrtoeol();
if (ch == 'q')
break;
}
endwin();
ExitProgram(EXIT_SUCCESS);
}
#else
int
main(void)
{
printf("This program requires the ncurses library\n");
ExitProgram(EXIT_FAILURE);
}
#endif