ncurses 5.6

[ncurses.git] / test / demo_altkeys.c

diff --git a/test/demo_altkeys.c b/test/demo_altkeys.c
new file mode 100644 (file)
index 0000000..001e2d1
--- /dev/null
+++ b/test/demo_altkeys.c
@@ -0,0 +1,163 @@
+/****************************************************************************
+ * Copyright (c) 2005,2006 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.                                                           *
+ ****************************************************************************/
+/*
+ * $Id: demo_altkeys.c,v 1.7 2006/12/09 16:49:49 tom Exp $
+ *
+ * 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 = malloc(strlen(value) + 2);
+           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