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Diffstat (limited to 'test/foldkeys.c')
| -rw-r--r-- | test/foldkeys.c | 264 |
1 files changed, 0 insertions, 264 deletions
diff --git a/test/foldkeys.c b/test/foldkeys.c deleted file mode 100644 index 180f151..0000000 --- a/test/foldkeys.c +++ /dev/null @@ -1,264 +0,0 @@ -/**************************************************************************** - * Copyright (c) 2006 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. * - ****************************************************************************/ - -/* - * Author: Thomas E. Dickey, 2006 - * - * $Id: foldkeys.c,v 1.3 2006/12/09 16:54:07 tom Exp $ - * - * Demonstrate a method for altering key definitions at runtime. - * - * This program reads the key definitions, merging those which have xterm-style - * modifiers into their equivalents which have no modifiers. It does this - * merging only for the keys which are defined in the terminal description. - */ - -#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_foldkeys.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); - } -} - -/* - * ncurses has no API for telling what the actual last key-code is. That is - * a secret because the codes past KEY_MAX are computed at run-time and may - * differ depending on the previous calls to newterm(), etc. It is unlikely - * that one could have more than a thousand key definitions... - */ -#define MAX_KEYS 2000 - -typedef struct { - const char *name; - const char *value; - int code; - int state; -} KeyInfo; - -static void -demo_foldkeys(void) -{ - KeyInfo info[MAX_KEYS]; - int info_len = 0; - int merged = 0; - int code; - int j, k; - - /* - * Tell ncurses that we want to use function keys. That will make it add - * any user-defined keys that appear in the terminfo. - */ - keypad(stdscr, TRUE); - - /* - * List the predefined keys using the strnames[] array. - */ - for (code = 0; code < STRCOUNT; ++code) { - NCURSES_CONST char *name = strnames[code]; - NCURSES_CONST char *value = tigetstr(name); - if (value != 0 && value != (NCURSES_CONST char *) -1) { - info[info_len].name = strnames[code]; - info[info_len].code = key_defined(value); - info[info_len].value = value; - info[info_len].state = 0; - if (info[info_len].code > 0) - ++info_len; - } - } - - /* - * We can get the names for user-defined keys from keyname(). It returns - * a name like KEY_foo for the predefined keys, which tigetstr() does not - * understand. - */ - for (code = KEY_MAX; code < MAX_KEYS; ++code) { - NCURSES_CONST char *name = keyname(code); - if (name != 0) { - info[info_len].name = name; - info[info_len].code = code; - info[info_len].value = tigetstr(name); - info[info_len].state = 0; - ++info_len; - } - } - printw("Initially %d key definitions\n", info_len); - - /* - * Look for keys that have xterm-style modifiers. - */ - for (j = 0; j < info_len; ++j) { - int first, second; - char final[2]; - char *value; - if (info[j].state == 0 - && sscanf(info[j].value, - "\033[%d;%d%c", - &first, - &second, - final) == 3 - && *final != ';' - && (value = strdup(info[j].value)) != 0) { - sprintf(value, "\033[%d%c", first, *final); - for (k = 0; k < info_len; ++k) { - if (info[k].state == 0 - && !strcmp(info[k].value, value)) { - info[j].state = 1; - break; - } - } - if (info[j].state == 0) { - sprintf(value, "\033O%c", *final); - for (k = 0; k < info_len; ++k) { - if (info[k].state == 0 - && !strcmp(info[k].value, value)) { - info[j].state = 1; - break; - } - } - } - if (info[j].state == 1) { - if ((define_key(info[j].value, info[k].code)) != ERR) { - printw("map %s to %s\n", info[j].value, info[k].value); - keyok(info[j].code, FALSE); - ++merged; - } else { - printw("? cannot define_key %d:%s\n", j, info[j].value); - } - } else { - printw("? cannot merge %d:%s\n", j, info[j].value); - } - free(value); - } - } - printw("Merged to %d key definitions\n", info_len - merged); -} - -int -main(int argc GCC_UNUSED, char *argv[]GCC_UNUSED) -{ - 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); - - demo_foldkeys(); - -#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(¤t, 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 |