mirror of
https://github.com/Aigor44/ncursesw-morphos.git
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52aa842907
+ compiler warning fixes for test programs. + various build-fixes for test-programs with pdcurses. + updated configure checks for X packages in test/configure from xterm #267 changes. + add configure check to gnatmake, to accommodate cygwin.
265 lines
7.4 KiB
C
265 lines
7.4 KiB
C
/****************************************************************************
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* Copyright (c) 2006 Free Software Foundation, Inc. *
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* *
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* Permission is hereby granted, free of charge, to any person obtaining a *
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* copy of this software and associated documentation files (the *
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* "Software"), to deal in the Software without restriction, including *
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* without limitation the rights to use, copy, modify, merge, publish, *
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* distribute, distribute with modifications, sublicense, and/or sell *
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* copies of the Software, and to permit persons to whom the Software is *
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* furnished to do so, subject to the following conditions: *
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* *
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* The above copyright notice and this permission notice shall be included *
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* in all copies or substantial portions of the Software. *
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* *
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS *
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* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF *
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. *
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* IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, *
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* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR *
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* OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR *
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* THE USE OR OTHER DEALINGS IN THE SOFTWARE. *
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* *
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* Except as contained in this notice, the name(s) of the above copyright *
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* holders shall not be used in advertising or otherwise to promote the *
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* sale, use or other dealings in this Software without prior written *
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* authorization. *
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****************************************************************************/
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/*
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* Author: Thomas E. Dickey, 2006
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*
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* $Id: foldkeys.c,v 1.4 2010/11/14 01:00:53 tom Exp $
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*
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* Demonstrate a method for altering key definitions at runtime.
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*
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* This program reads the key definitions, merging those which have xterm-style
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* modifiers into their equivalents which have no modifiers. It does this
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* merging only for the keys which are defined in the terminal description.
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*/
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#include <test.priv.h>
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#if defined(NCURSES_VERSION) && NCURSES_EXT_FUNCS
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#if TIME_WITH_SYS_TIME
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# include <sys/time.h>
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# include <time.h>
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#else
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# if HAVE_SYS_TIME_H
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# include <sys/time.h>
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# else
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# include <time.h>
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# endif
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#endif
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#define MY_LOGFILE "demo_foldkeys.log"
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#define MY_KEYS (KEY_MAX + 1)
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/*
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* Log the most recently-written line to our logfile
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*/
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static void
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log_last_line(WINDOW *win)
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{
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FILE *fp;
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int y, x, n;
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char temp[256];
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if ((fp = fopen(MY_LOGFILE, "a")) != 0) {
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int need = sizeof(temp) - 1;
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if (need > COLS)
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need = COLS;
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getyx(win, y, x);
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wmove(win, y - 1, 0);
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n = winnstr(win, temp, need);
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while (n-- > 0) {
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if (isspace(UChar(temp[n])))
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temp[n] = '\0';
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else
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break;
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}
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wmove(win, y, x);
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fprintf(fp, "%s\n", temp);
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fclose(fp);
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}
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}
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/*
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* ncurses has no API for telling what the actual last key-code is. That is
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* a secret because the codes past KEY_MAX are computed at run-time and may
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* differ depending on the previous calls to newterm(), etc. It is unlikely
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* that one could have more than a thousand key definitions...
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*/
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#define MAX_KEYS 2000
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typedef struct {
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const char *name;
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const char *value;
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int code;
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int state;
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} KeyInfo;
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static void
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demo_foldkeys(void)
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{
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KeyInfo info[MAX_KEYS];
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int info_len = 0;
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int merged = 0;
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int code;
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int j, k;
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/*
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* Tell ncurses that we want to use function keys. That will make it add
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* any user-defined keys that appear in the terminfo.
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*/
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keypad(stdscr, TRUE);
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/*
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* List the predefined keys using the strnames[] array.
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*/
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for (code = 0; code < STRCOUNT; ++code) {
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NCURSES_CONST char *name = strnames[code];
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NCURSES_CONST char *value = tigetstr(name);
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if (value != 0 && value != (NCURSES_CONST char *) -1) {
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info[info_len].name = strnames[code];
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info[info_len].code = key_defined(value);
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info[info_len].value = value;
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info[info_len].state = 0;
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if (info[info_len].code > 0)
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++info_len;
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}
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}
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/*
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* We can get the names for user-defined keys from keyname(). It returns
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* a name like KEY_foo for the predefined keys, which tigetstr() does not
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* understand.
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*/
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for (code = KEY_MAX; code < MAX_KEYS; ++code) {
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NCURSES_CONST char *name = keyname(code);
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if (name != 0) {
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info[info_len].name = name;
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info[info_len].code = code;
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info[info_len].value = tigetstr(name);
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info[info_len].state = 0;
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++info_len;
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}
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}
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printw("Initially %d key definitions\n", info_len);
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/*
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* Look for keys that have xterm-style modifiers.
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*/
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for (j = 0; j < info_len; ++j) {
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int first, second;
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char final[2];
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char *value;
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if (info[j].state == 0
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&& sscanf(info[j].value,
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"\033[%d;%d%c",
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&first,
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&second,
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final) == 3
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&& *final != ';'
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&& (value = strdup(info[j].value)) != 0) {
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sprintf(value, "\033[%d%c", first, *final);
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for (k = 0; k < info_len; ++k) {
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if (info[k].state == 0
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&& !strcmp(info[k].value, value)) {
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info[j].state = 1;
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break;
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}
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}
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if (info[j].state == 0) {
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sprintf(value, "\033O%c", *final);
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for (k = 0; k < info_len; ++k) {
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if (info[k].state == 0
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&& !strcmp(info[k].value, value)) {
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info[j].state = 1;
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break;
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}
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}
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}
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if (info[j].state == 1) {
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if ((define_key(info[j].value, info[k].code)) != ERR) {
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printw("map %s to %s\n", info[j].value, info[k].value);
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keyok(info[j].code, FALSE);
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++merged;
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} else {
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printw("? cannot define_key %d:%s\n", j, info[j].value);
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}
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} else {
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printw("? cannot merge %d:%s\n", j, info[j].value);
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}
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free(value);
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}
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}
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printw("Merged to %d key definitions\n", info_len - merged);
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}
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int
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main(int argc GCC_UNUSED, char *argv[]GCC_UNUSED)
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{
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int ch;
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#if HAVE_GETTIMEOFDAY
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int secs, msecs;
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struct timeval current, previous;
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#endif
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unlink(MY_LOGFILE);
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newterm(0, stdout, stdin);
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(void) cbreak(); /* take input chars one at a time, no wait for \n */
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(void) noecho(); /* don't echo input */
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scrollok(stdscr, TRUE);
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keypad(stdscr, TRUE);
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move(0, 0);
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demo_foldkeys();
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#if HAVE_GETTIMEOFDAY
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gettimeofday(&previous, 0);
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#endif
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while ((ch = getch()) != ERR) {
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bool escaped = (ch >= MY_KEYS);
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const char *name = keyname(escaped ? (ch - MY_KEYS) : ch);
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#if HAVE_GETTIMEOFDAY
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gettimeofday(¤t, 0);
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secs = (int) (current.tv_sec - previous.tv_sec);
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msecs = (int) ((current.tv_usec - previous.tv_usec) / 1000);
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if (msecs < 0) {
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msecs += 1000;
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--secs;
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}
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if (msecs >= 1000) {
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secs += msecs / 1000;
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msecs %= 1000;
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}
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printw("%6d.%03d ", secs, msecs);
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previous = current;
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#endif
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printw("Keycode %d, name %s%s\n",
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ch,
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escaped ? "ESC-" : "",
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name != 0 ? name : "<null>");
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log_last_line(stdscr);
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clrtoeol();
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if (ch == 'q')
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break;
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}
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endwin();
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ExitProgram(EXIT_SUCCESS);
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}
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#else
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int
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main(void)
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{
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printf("This program requires the ncurses library\n");
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ExitProgram(EXIT_FAILURE);
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}
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#endif
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