+/****************************************************************************
+ * Copyright (c) 1998-2016,2017 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. *
+ ****************************************************************************/
/*
* Grand digital clock for curses compatible terminals
- * Usage: gdc [-s] [n] -- run for n seconds (default infinity)
+ * Usage: gdc [-s] [-t hh:mm:ss] [n] -- run for n seconds (default infinity)
* Flags: -s: scroll
*
* modified 10-18-89 for curses (jrl)
* 10-18-89 added signal handling
*
- * $Id: gdc.c,v 1.8 1997/01/19 00:59:28 tom Exp $
+ * $Id: gdc.c,v 1.51 2017/09/30 18:10:05 tom Exp $
*/
#include <test.priv.h>
#include <time.h>
-#include <signal.h>
-#include <string.h>
#define YBASE 10
#define XBASE 10
#define XLENGTH 54
#define YDEPTH 5
-/* it won't be */
-static time_t now; /* yeah! */
-static struct tm *tm;
+#define PAIR_DIGITS 1
+#define PAIR_OTHERS 2
+#define PAIR_FRAMES 3
-static short disp[11] = {
- 075557, 011111, 071747, 071717, 055711,
- 074717, 074757, 071111, 075757, 075717, 002020
+static short disp[11] =
+{
+ 075557, 011111, 071747, 071717, 055711,
+ 074717, 074757, 071111, 075757, 075717, 002020
};
-static long old[6], next[6], new[6], mask;
-static char scrol;
+static long older[6], next[6], newer[6], mask;
static int sigtermed = 0;
+static bool redirected = FALSE;
+static bool hascolor = FALSE;
-static int hascolor = 0;
-
-static void set(int, int);
-static void standt(int);
-static void movto(int, int);
+static void
+sighndl(int signo)
+{
+ signal(signo, sighndl);
+ sigtermed = signo;
+ if (redirected) {
+ exit_curses();
+ ExitProgram(EXIT_FAILURE);
+ }
+}
-static
-RETSIGTYPE sighndl(int signo)
+static void
+check_term(void)
{
- signal(signo, sighndl);
- sigtermed=signo;
+ if (sigtermed) {
+ (void) standend();
+ exit_curses();
+ fprintf(stderr, "gdc terminated by signal %d\n", sigtermed);
+ ExitProgram(EXIT_FAILURE);
+ }
}
-int
-main(int argc, char *argv[])
+static void
+drawbox(bool scrolling)
{
-long t, a;
-int i, j, s, k;
-int n = 0;
-
- signal(SIGINT,sighndl);
- signal(SIGTERM,sighndl);
- signal(SIGKILL,sighndl);
-
- initscr();
- cbreak();
- noecho();
- nodelay(stdscr, 1);
-
- hascolor = has_colors();
-
- if(hascolor) {
- int bg = COLOR_BLACK;
- start_color();
-#ifdef NCURSES_VERSION
- if (use_default_colors() == OK)
- bg = -1;
-#endif
- init_pair(1, COLOR_BLACK, COLOR_RED);
- init_pair(2, COLOR_RED, bg);
- init_pair(3, COLOR_WHITE, bg);
- attrset(COLOR_PAIR(2));
- }
+ chtype bottom[XLENGTH + 1];
+ int n;
- clear();
- refresh();
- while(--argc > 0) {
- if(**++argv == '-')
- scrol = 1;
- else
- n = atoi(*argv);
- }
+ if (hascolor)
+ (void) attrset(AttrArg(COLOR_PAIR(PAIR_FRAMES), 0));
- if(hascolor) {
- attrset(COLOR_PAIR(3));
+ MvAddCh(YBASE - 1, XBASE - 1, ACS_ULCORNER);
+ hline(ACS_HLINE, XLENGTH);
+ MvAddCh(YBASE - 1, XBASE + XLENGTH, ACS_URCORNER);
- mvaddch(YBASE - 1, XBASE - 1, ACS_ULCORNER);
- hline(ACS_HLINE, XLENGTH);
- mvaddch(YBASE - 1, XBASE + XLENGTH, ACS_URCORNER);
+ MvAddCh(YBASE + YDEPTH, XBASE - 1, ACS_LLCORNER);
+ if ((mvinchnstr(YBASE + YDEPTH, XBASE, bottom, XLENGTH)) != ERR) {
+ for (n = 0; n < XLENGTH; n++) {
+ if (!scrolling)
+ bottom[n] &= ~A_COLOR;
+ bottom[n] = ACS_HLINE | (bottom[n] & (A_ATTRIBUTES | A_COLOR));
+ }
+ (void) mvaddchnstr(YBASE + YDEPTH, XBASE, bottom, XLENGTH);
+ }
+ MvAddCh(YBASE + YDEPTH, XBASE + XLENGTH, ACS_LRCORNER);
- mvaddch(YBASE + YDEPTH, XBASE - 1, ACS_LLCORNER);
- hline(ACS_HLINE, XLENGTH);
- mvaddch(YBASE + YDEPTH, XBASE + XLENGTH, ACS_LRCORNER);
+ move(YBASE, XBASE - 1);
+ vline(ACS_VLINE, YDEPTH);
- move(YBASE, XBASE - 1);
- vline(ACS_VLINE, YDEPTH);
+ move(YBASE, XBASE + XLENGTH);
+ vline(ACS_VLINE, YDEPTH);
- move(YBASE, XBASE + XLENGTH);
- vline(ACS_VLINE, YDEPTH);
+ if (hascolor)
+ (void) attrset(AttrArg(COLOR_PAIR(PAIR_OTHERS), 0));
+}
- attrset(COLOR_PAIR(2));
+static void
+standt(int on)
+{
+ if (on) {
+ if (hascolor) {
+ attron(COLOR_PAIR(PAIR_DIGITS));
+ } else {
+ attron(A_STANDOUT);
}
- do {
- char buf[30];
-
- mask = 0;
- time(&now);
- tm = localtime(&now);
- set(tm->tm_sec%10, 0);
- set(tm->tm_sec/10, 4);
- set(tm->tm_min%10, 10);
- set(tm->tm_min/10, 14);
- set(tm->tm_hour%10, 20);
- set(tm->tm_hour/10, 24);
- set(10, 7);
- set(10, 17);
- for(k=0; k<6; k++) {
- if(scrol) {
- for(i=0; i<5; i++)
- new[i] = (new[i]&~mask) | (new[i+1]&mask);
- new[5] = (new[5]&~mask) | (next[k]&mask);
- } else
- new[k] = (new[k]&~mask) | (next[k]&mask);
- next[k] = 0;
- for(s=1; s>=0; s--) {
- standt(s);
- for(i=0; i<6; i++) {
- if((a = (new[i]^old[i])&(s ? new : old)[i]) != 0) {
- for(j=0,t=1<<26; t; t>>=1,j++) {
- if(a&t) {
- if(!(a&(t<<1))) {
- movto(YBASE + i, XBASE + 2*j);
- }
- addstr(" ");
- }
- }
- }
- if(!s) {
- old[i] = new[i];
- }
- }
- if(!s) {
- refresh();
- }
- }
- }
-
- /* this depends on the detailed format of ctime(3) */
- (void) strcpy(buf, ctime(&now));
- (void) strcpy(buf + 10, buf + 19);
- mvaddstr(16, 30, buf);
-
- movto(6, 0);
- refresh();
- sleep(1);
- while(wgetch(stdscr) != ERR)
- continue;
- if (sigtermed) {
- standend();
- clear();
- refresh();
- endwin();
- fprintf(stderr, "gdc terminated by signal %d\n", sigtermed);
- return EXIT_FAILURE;
- }
- } while(--n);
- standend();
- clear();
- refresh();
- endwin();
- return EXIT_SUCCESS;
+ } else {
+ if (hascolor) {
+ attron(COLOR_PAIR(PAIR_OTHERS));
+ } else {
+ attroff(A_STANDOUT);
+ }
+ }
}
static void
set(int t, int n)
{
-int i, m;
+ int i, m;
- m = 7<<n;
- for(i=0; i<5; i++) {
- next[i] |= ((disp[t]>>(4-i)*3)&07)<<n;
- mask |= (next[i]^old[i])&m;
- }
- if(mask&m)
- mask |= m;
+ m = 7 << n;
+ for (i = 0; i < 5; i++) {
+ next[i] |= ((disp[t] >> ((4 - i) * 3)) & 07) << n;
+ mask |= (next[i] ^ older[i]) & m;
+ }
+ if (mask & m)
+ mask |= m;
}
static void
-standt(int on)
+usage(void)
{
- if (on) {
- if(hascolor) {
- attron(COLOR_PAIR(1));
- } else {
- attron(A_STANDOUT);
- }
- } else {
- if(hascolor) {
- attron(COLOR_PAIR(2));
- } else {
- attroff(A_STANDOUT);
- }
+ static const char *msg[] =
+ {
+ "Usage: gdc [options] [count]"
+ ,""
+ ,"Options:"
+#if HAVE_USE_DEFAULT_COLORS
+ ," -d invoke use_default_colors"
+#endif
+ ," -n redirect input to /dev/null"
+ ," -s scroll each number into place, rather than flipping"
+ ," -t hh:mm:ss specify starting time (default is ``now'')"
+ ,""
+ ,"If you specify a count, gdc runs for that number of seconds"
+ };
+ unsigned j;
+ for (j = 0; j < SIZEOF(msg); j++)
+ fprintf(stderr, "%s\n", msg[j]);
+ ExitProgram(EXIT_FAILURE);
+}
+
+static time_t
+parse_time(const char *value)
+{
+ int hh, mm, ss;
+ int check;
+ time_t result;
+ char c;
+ struct tm *tm;
+
+ if (sscanf(value, "%d:%d:%d%c", &hh, &mm, &ss, &c) != 3) {
+ if (sscanf(value, "%02d%02d%02d%c", &hh, &mm, &ss, &c) != 3) {
+ usage();
}
+ }
+
+ if ((hh < 0) || (hh >= 24) ||
+ (mm < 0) || (mm >= 60) ||
+ (ss < 0) || (ss >= 60)) {
+ usage();
+ }
+
+ /* adjust so that the localtime in the main loop will give usable time */
+ result = (hh * 3600) + ((mm * 60) + ss);
+ for (check = 0; check < 24; ++check) {
+ tm = localtime(&result);
+ if (tm->tm_hour == hh)
+ break;
+ result += 3600;
+ }
+
+ if (tm->tm_hour != hh) {
+ fprintf(stderr, "Cannot find local time for %s!\n", value);
+ usage();
+ }
+ return result;
}
-static void
-movto(int line, int col)
+int
+main(int argc, char *argv[])
{
- move(line, col);
+ time_t now;
+ struct tm *tm;
+ long t, a;
+ int i, j, s, k;
+ int count = 0;
+ FILE *ofp = stdout;
+ FILE *ifp = stdin;
+ bool smooth = FALSE;
+ bool stages = FALSE;
+ time_t starts = 0;
+#if HAVE_USE_DEFAULT_COLORS
+ bool d_option = FALSE;
+#endif
+
+ setlocale(LC_ALL, "");
+
+ while ((k = getopt(argc, argv, "dnst:")) != -1) {
+ switch (k) {
+#if HAVE_USE_DEFAULT_COLORS
+ case 'd':
+ d_option = TRUE;
+ break;
+#endif
+ case 'n':
+ ifp = fopen("/dev/null", "r");
+ redirected = TRUE;
+ break;
+ case 's':
+ smooth = TRUE;
+ break;
+ case 't':
+ starts = parse_time(optarg);
+ break;
+ default:
+ usage();
+ }
+ }
+ if (optind < argc) {
+ count = atoi(argv[optind++]);
+ assert(count >= 0);
+ }
+ if (optind < argc)
+ usage();
+
+ InitAndCatch({
+ if (redirected) {
+ char *name = getenv("TERM");
+ if (name == 0
+ || newterm(name, ofp, ifp) == 0) {
+ fprintf(stderr, "cannot open terminal\n");
+ ExitProgram(EXIT_FAILURE);
+ }
+ } else {
+ initscr();
+ }
+ }
+ ,sighndl);
+
+ cbreak();
+ noecho();
+ nodelay(stdscr, 1);
+ curs_set(0);
+
+ hascolor = has_colors();
+
+ if (hascolor) {
+ short bg = COLOR_BLACK;
+ start_color();
+#if HAVE_USE_DEFAULT_COLORS
+ if (d_option && (use_default_colors() == OK))
+ bg = -1;
+#endif
+ init_pair(PAIR_DIGITS, COLOR_BLACK, COLOR_RED);
+ init_pair(PAIR_OTHERS, COLOR_RED, bg);
+ init_pair(PAIR_FRAMES, COLOR_WHITE, bg);
+ (void) attrset(AttrArg(COLOR_PAIR(PAIR_OTHERS), 0));
+ }
+
+ restart:
+ for (j = 0; j < 5; j++)
+ older[j] = newer[j] = next[j] = 0;
+
+ clear();
+ drawbox(FALSE);
+
+ do {
+ char buf[40];
+
+ if (starts != 0) {
+ now = ++starts;
+ } else {
+ time(&now);
+ }
+ tm = localtime(&now);
+
+ mask = 0;
+ set(tm->tm_sec % 10, 0);
+ set(tm->tm_sec / 10, 4);
+ set(tm->tm_min % 10, 10);
+ set(tm->tm_min / 10, 14);
+ set(tm->tm_hour % 10, 20);
+ set(tm->tm_hour / 10, 24);
+ set(10, 7);
+ set(10, 17);
+
+ for (k = 0; k < 6; k++) {
+ if (smooth) {
+ for (i = 0; i < 5; i++)
+ newer[i] = (newer[i] & ~mask) | (newer[i + 1] & mask);
+ newer[5] = (newer[5] & ~mask) | (next[k] & mask);
+ } else {
+ newer[k] = (newer[k] & ~mask) | (next[k] & mask);
+ }
+ next[k] = 0;
+ for (s = 1; s >= 0; s--) {
+ standt(s);
+ for (i = 0; i < 6; i++) {
+ if ((a = (newer[i] ^ older[i]) & (s ? newer : older)[i])
+ != 0) {
+ for (j = 0, t = 1 << 26; t; t >>= 1, j++) {
+ if (a & t) {
+ if (!(a & (t << 1))) {
+ move(YBASE + i, XBASE + 2 * j);
+ }
+ addstr(" ");
+ }
+ }
+ }
+ if (!s) {
+ older[i] = newer[i];
+ }
+ }
+ if (!s) {
+ if (smooth)
+ drawbox(TRUE);
+ refresh();
+ /*
+ * If we're scrolling, space out the refreshes to fake
+ * movement. That's 7 frames, or 6 intervals, which would
+ * be 166 msec if we spread it out over a second. It looks
+ * better (but will work on a slow terminal, e.g., less
+ * than 9600bd) to squeeze that into a half-second, and use
+ * half of 170 msec to ensure that the program doesn't eat
+ * a lot of time when asking what time it is, at the top of
+ * this loop -T.Dickey
+ */
+ if (smooth)
+ napms(85);
+ if (stages) {
+ stages = FALSE;
+ switch (wgetch(stdscr)) {
+ case 'q':
+ count = 1;
+ break;
+ case 'S':
+ stages = TRUE;
+ /* FALLTHRU */
+ case 's':
+ nodelay(stdscr, FALSE);
+ break;
+ case ' ':
+ nodelay(stdscr, TRUE);
+ break;
+#ifdef KEY_RESIZE
+ case KEY_RESIZE:
+#endif
+ case '?':
+ goto restart;
+ case ERR:
+ check_term();
+ /* FALLTHRU */
+ default:
+ continue;
+ }
+ }
+ }
+ }
+ }
+
+ /* this depends on the detailed format of ctime(3) */
+ _nc_STRNCPY(buf, ctime(&now), (size_t) 30);
+ {
+ char *d2 = buf + 10;
+ char *s2 = buf + 19;
+ while ((*d2++ = *s2++) != '\0') ;
+ }
+ MvAddStr(16, 30, buf);
+
+ move(6, 0);
+ drawbox(FALSE);
+ refresh();
+
+ /*
+ * If we're not smooth-scrolling, wait 1000 msec (1 sec). Use napms()
+ * rather than sleep() because the latter does odd things on some
+ * systems, e.g., suspending output as well.
+ */
+ if (smooth)
+ napms(500);
+ else
+ napms(1000);
+
+ /*
+ * This is a safe way to check if we're interrupted - making the signal
+ * handler set a flag that we can check. Since we're running
+ * nodelay(), the wgetch() call returns immediately, and in particular
+ * will return an error if interrupted. This works only if we can
+ * read from the input, of course.
+ */
+ stages = FALSE;
+ switch (wgetch(stdscr)) {
+ case 'q':
+ count = 1;
+ break;
+ case 'S':
+ stages = TRUE;
+ /* FALLTHRU */
+ case 's':
+ nodelay(stdscr, FALSE);
+ break;
+ case ' ':
+ nodelay(stdscr, TRUE);
+ break;
+#ifdef KEY_RESIZE
+ case KEY_RESIZE:
+#endif
+ case '?':
+ goto restart;
+ case ERR:
+ check_term();
+ /* FALLTHRU */
+ default:
+ continue;
+ }
+ } while (--count);
+ (void) standend();
+ exit_curses();
+ ExitProgram(EXIT_SUCCESS);
}
projects / ncurses.git / blobdiff