tmux/clock.c

/* $Id: clock.c,v 1.3 2009-03-27 16:59:57 nicm Exp $ */

/*
 * Copyright (c) 2009 Nicholas Marriott <nicm@users.sourceforge.net>
 *
 * Permission to use, copy, modify, and distribute this software for any
 * purpose with or without fee is hereby granted, provided that the above
 * copyright notice and this permission notice appear in all copies.
 *
 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
 * WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER
 * IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
 * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 */

#include <sys/types.h>

#include <string.h>
#include <time.h>

#include "tmux.h"

const char clock_table[14][5][5] = {
	{ { 1,1,1,1,1 }, /* 0 */
	  { 1,0,0,0,1 },
	  { 1,0,0,0,1 },
	  { 1,0,0,0,1 },
	  { 1,1,1,1,1 } },
	{ { 0,0,0,0,1 }, /* 1 */
	  { 0,0,0,0,1 },
	  { 0,0,0,0,1 },
	  { 0,0,0,0,1 },
	  { 0,0,0,0,1 } },
	{ { 1,1,1,1,1 }, /* 2 */
	  { 0,0,0,0,1 },
	  { 1,1,1,1,1 },
	  { 1,0,0,0,0 },
	  { 1,1,1,1,1 } },
	{ { 1,1,1,1,1 }, /* 3 */
	  { 0,0,0,0,1 },
	  { 1,1,1,1,1 },
	  { 0,0,0,0,1 },
	  { 1,1,1,1,1 } },
	{ { 1,0,0,0,1 }, /* 4 */
	  { 1,0,0,0,1 },
	  { 1,1,1,1,1 },
	  { 0,0,0,0,1 },
	  { 0,0,0,0,1 } },
	{ { 1,1,1,1,1 }, /* 5 */
	  { 1,0,0,0,0 },
	  { 1,1,1,1,1 },
	  { 0,0,0,0,1 },
	  { 1,1,1,1,1 } },
	{ { 1,1,1,1,1 }, /* 6 */
	  { 1,0,0,0,0 },
	  { 1,1,1,1,1 },
	  { 1,0,0,0,1 },
	  { 1,1,1,1,1 } },
	{ { 1,1,1,1,1 }, /* 7 */
	  { 0,0,0,0,1 },
	  { 0,0,0,0,1 },
	  { 0,0,0,0,1 },
	  { 0,0,0,0,1 } },
	{ { 1,1,1,1,1 }, /* 8 */
	  { 1,0,0,0,1 },
	  { 1,1,1,1,1 },
	  { 1,0,0,0,1 },
	  { 1,1,1,1,1 } },
	{ { 1,1,1,1,1 }, /* 9 */
	  { 1,0,0,0,1 },
	  { 1,1,1,1,1 },
	  { 0,0,0,0,1 },
	  { 1,1,1,1,1 } },
	{ { 0,0,0,0,0 }, /* : */
	  { 0,0,1,0,0 },
	  { 0,0,0,0,0 },
	  { 0,0,1,0,0 },
	  { 0,0,0,0,0 } },
	{ { 1,1,1,1,1 }, /* A */
	  { 1,0,0,0,1 },
	  { 1,1,1,1,1 },
	  { 1,0,0,0,1 },
	  { 1,0,0,0,1 } },
	{ { 1,1,1,1,1 }, /* P */
	  { 1,0,0,0,1 },
	  { 1,1,1,1,1 },
	  { 1,0,0,0,0 },
	  { 1,0,0,0,0 } },
	{ { 1,0,0,0,1 }, /* M */
	  { 1,1,0,1,1 },
	  { 1,0,1,0,1 },
	  { 1,0,0,0,1 },
	  { 1,0,0,0,1 } },
};

void
clock_draw(struct screen_write_ctx *ctx, u_int colour, int style)
{
	struct screen		*s = ctx->s;
	struct grid_cell	 gc;
	char			 tim[64], *ptr;
	time_t			 t;
	u_int			 i, j, x, y, idx;

	t = time(NULL);
	if (style == 0)
		strftime(tim, sizeof tim, "%l:%M %p", localtime(&t));
	else
		strftime(tim, sizeof tim, "%H:%M", localtime(&t));

	screen_write_clearscreen(ctx);
	memcpy(&gc, &grid_default_cell, sizeof gc);
	gc.fg = colour;

	if (screen_size_x(s) < 6 * strlen(tim) || screen_size_y(s) < 6) {
		if (screen_size_x(s) >= strlen(tim) && screen_size_y(s) != 0) {
			x = (screen_size_x(s) / 2) - (strlen(tim) / 2);
			y = screen_size_y(s) / 2;
			screen_write_cursormove(ctx, x, y);

			gc.fg = colour;
			screen_write_puts(ctx, &gc, "%s", tim);
		}
		return;
	}		

	x = (screen_size_x(s) / 2) - 3 * strlen(tim);
	y = (screen_size_y(s) / 2) - 3;

	for (ptr = tim; *ptr != '\0'; ptr++) {
		if (*ptr >= '0' && *ptr <= '9')
			idx = *ptr - '0';
 		else if (*ptr == ':')
			idx = 10;
 		else if (*ptr == 'A')
			idx = 11;
 		else if (*ptr == 'P')
			idx = 12;
 		else if (*ptr == 'M')
			idx = 13;
		else {
			x += 6;
			continue;
		}

		for (j = 0; j < 5; j++) {
			screen_write_cursormove(ctx, x, y + j);
			for (i = 0; i < 5; i++) {
				if (clock_table[idx][j][i])
					gc.attr |= GRID_ATTR_REVERSE;
				else
					gc.attr &= ~GRID_ATTR_REVERSE;
				screen_write_putc(ctx, &gc, ' ');
			}
		}
		x += 6;
	}
}