diff options
Diffstat (limited to 'ncurses-5.3/test/tclock.c')
| -rw-r--r-- | ncurses-5.3/test/tclock.c | 250 |
1 files changed, 250 insertions, 0 deletions
diff --git a/ncurses-5.3/test/tclock.c b/ncurses-5.3/test/tclock.c new file mode 100644 index 0000000..4b1a5af --- /dev/null +++ b/ncurses-5.3/test/tclock.c @@ -0,0 +1,250 @@ +/* $Id$ */ + +#include "test.priv.h" + +#include <math.h> + +#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 + +/* + tclock - analog/digital clock for curses. + If it gives you joy, then + (a) I'm glad + (b) you need to get out more :-) + + This program is copyright Howard Jones, September 1994 + (ha.jones@ic.ac.uk). It may be freely distributed as + long as this copyright message remains intact, and any + modifications are clearly marked as such. [In fact, if + you modify it, I wouldn't mind the modifications back, + especially if they add any nice features. A good one + would be a precalc table for the 60 hand positions, so + that the floating point stuff can be ditched. As I said, + it was a 20 hackup minute job.] + + COMING SOON: tfishtank. Be the envy of your mac-owning + colleagues. +*/ + +/* To compile: cc -o tclock tclock.c -lcurses -lm */ + +#ifndef PI +#define PI 3.141592654 +#endif + +#define sign(_x) (_x<0?-1:1) + +#define ASPECT 2.2 +#define ROUND(value) ((int)((value) + 0.5)) + +#define A2X(angle,radius) ROUND(ASPECT * radius * sin(angle)) +#define A2Y(angle,radius) ROUND(radius * cos(angle)) + +/* Plot a point */ +static void +plot(int x, int y, char col) +{ + mvaddch(y, x, (chtype) col); +} + +/* Draw a diagonal(arbitrary) line using Bresenham's alogrithm. */ +static void +dline(int pair, int from_x, int from_y, int x2, int y2, char ch) +{ + int dx, dy; + int ax, ay; + int sx, sy; + int x, y; + int d; + + if (has_colors()) + attrset(COLOR_PAIR(pair)); + + dx = x2 - from_x; + dy = y2 - from_y; + + ax = abs(dx * 2); + ay = abs(dy * 2); + + sx = sign(dx); + sy = sign(dy); + + x = from_x; + y = from_y; + + if (ax > ay) { + d = ay - (ax / 2); + + while (1) { + plot(x, y, ch); + if (x == x2) + return; + + if (d >= 0) { + y += sy; + d -= ax; + } + x += sx; + d += ay; + } + } else { + d = ax - (ay / 2); + + while (1) { + plot(x, y, ch); + if (y == y2) + return; + + if (d >= 0) { + x += sx; + d -= ay; + } + y += sy; + d += ax; + } + } +} + +int +main(int argc GCC_UNUSED, char *argv[]GCC_UNUSED) +{ + int i, cx, cy; + double cr, mradius, hradius, mangle, hangle; + double sangle, sradius, hours; + int hdx, hdy; + int mdx, mdy; + int sdx, sdy; + int ch; + int lastbeep = -1; + time_t tim; + struct tm *t; + char szChar[10]; + int my_bg = COLOR_BLACK; +#if HAVE_GETTIMEOFDAY + struct timeval current; + double fraction = 0.0; +#endif + + setlocale(LC_ALL, ""); + + initscr(); + noecho(); + cbreak(); + nodelay(stdscr, TRUE); + curs_set(0); + + if (has_colors()) { + start_color(); +#if HAVE_USE_DEFAULT_COLORS + if (use_default_colors() == OK) + my_bg = -1; +#endif + init_pair(1, COLOR_RED, my_bg); + init_pair(2, COLOR_MAGENTA, my_bg); + init_pair(3, COLOR_GREEN, my_bg); + } +#ifdef KEY_RESIZE + keypad(stdscr, TRUE); + restart: +#endif + cx = (COLS - 1) / 2; /* 39 */ + cy = LINES / 2; /* 12 */ + if (cx / ASPECT < cy) + cr = cx / ASPECT; + else + cr = cy; + sradius = (5 * cr) / 6; /* 10 */ + mradius = (3 * cr) / 4; /* 9 */ + hradius = cr / 2; /* 6 */ + + for (i = 0; i < 12; i++) { + sangle = (i + 1) * (2.0 * PI) / 12.0; + sdx = A2X(sangle, sradius); + sdy = A2Y(sangle, sradius); + sprintf(szChar, "%d", i + 1); + + mvaddstr(cy - sdy, cx + sdx, szChar); + } + + mvaddstr(0, 0, "ASCII Clock by Howard Jones (ha.jones@ic.ac.uk),1994"); + + sradius = (4 * sradius) / 5; + for (;;) { + napms(100); + + tim = time(0); + t = localtime(&tim); + + hours = (t->tm_hour + (t->tm_min / 60.0)); + if (hours > 12.0) + hours -= 12.0; + + mangle = ((t->tm_min + (t->tm_sec / 60.0)) * (2 * PI) / 60.0); + mdx = A2X(mangle, mradius); + mdy = A2Y(mangle, mradius); + + hangle = ((hours) * (2.0 * PI) / 12.0); + hdx = A2X(hangle, hradius); + hdy = A2Y(hangle, hradius); + +#if HAVE_GETTIMEOFDAY + gettimeofday(¤t, 0); + fraction = (current.tv_usec / 1.0e6); +#endif + sangle = ((t->tm_sec + fraction) * (2.0 * PI) / 60.0); + sdx = A2X(sangle, sradius); + sdy = A2Y(sangle, sradius); + + dline(3, cx, cy, cx + mdx, cy - mdy, '#'); + + attrset(A_REVERSE); + dline(2, cx, cy, cx + hdx, cy - hdy, '.'); + attroff(A_REVERSE); + + if (has_colors()) + attrset(COLOR_PAIR(1)); + + dline(1, cx, cy, cx + sdx, cy - sdy, 'O'); + + if (has_colors()) + attrset(COLOR_PAIR(0)); + + mvaddstr(LINES - 2, 0, ctime(&tim)); + refresh(); + if ((t->tm_sec % 5) == 0 + && t->tm_sec != lastbeep) { + lastbeep = t->tm_sec; + beep(); + } + + if ((ch = getch()) != ERR) { +#ifdef KEY_RESIZE + if (ch == KEY_RESIZE) { + flash(); + erase(); + wrefresh(curscr); + goto restart; + } +#endif + break; + } + + dline(0, cx, cy, cx + hdx, cy - hdy, ' '); + dline(0, cx, cy, cx + mdx, cy - mdy, ' '); + dline(0, cx, cy, cx + sdx, cy - sdy, ' '); + + } + + curs_set(1); + endwin(); + ExitProgram(EXIT_SUCCESS); +} |