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/*
* osd_clock
*
* Copyright (C) 2001, Jon Beckham <leftorium@leftorium.net>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <xosd.h>
#include <unistd.h>
#include <getopt.h>
#include <time.h>
static struct option long_options[] = {
{"font", 1, NULL, 'f'},
{"color", 1, NULL, 'c'},
{"delay", 1, NULL, 'd'},
{"format", 1, NULL, 'F'},
{"interval", 1, NULL, 'i'},
{"perhour", 1, NULL, 'H'},
{"shadow", 1, NULL, 's'},
{"top", 0, NULL, 't'},
{"bottom", 0, NULL, 'b'},
{"offset", 1, NULL, 'o'},
{"help", 0, NULL, 'h'},
{NULL, 0, NULL, 0}
};
int secondspast (void) // seconds past the current hour
{
time_t now = time(NULL);
struct tm* now_parts = localtime(&now);
return now_parts->tm_min * 60 + now_parts->tm_sec;
// 0 <= x <= 3600, maximum only happens with a leap second
}
int main (int argc, char *argv[])
{
char c;
static const char *format;
time_t *t = NULL;
xosd *osd;
xosd_pos pos = XOSD_bottom;
char *font = osd_default_font;
char *color = "red";
int delay = 3;
int offset = 0;
int shadow = 2;
int interval = 1;
int perhour = 0; // feature off by default
while ((c = getopt_long(argc ,argv,"f:c:d:F:i:H:s:o:tbh",
long_options, NULL)) != -1)
{
switch(c)
{
case 'f':
font = optarg;
break;
case 'F':
format = optarg;
break;
case 'c':
color = optarg;
break;
case 'd':
delay = atoi(optarg);
break;
case 'i':
interval = atoi(optarg);
break;
case 'H':
perhour = atoi(optarg);
break;
case 's':
shadow = atoi(optarg);
break;
case 'o':
offset = atoi(optarg);
break;
case 't':
pos = XOSD_top;
break;
case 'b':
pos = XOSD_bottom;
break;
case 'h':
printf("USAGE: %s [-flag args]\n"
"\t-f\tfully qualified font. default: %s\n"
"\t-c\tcolor. default: red\n"
"\t-s\tdrop shadow offset. default: 2\n"
"\t-t\tlocate clock at top left (default: bottom left)\n"
"\t-b\tlocate clock at bottom left (default)\n"
"\t-o\toffset value to raise or lower around panels. def: 0\n"
"\t-F\tSpecify time/date format (in strftime(3) style)\n"
"\t-d\tDelay (time the clock stays on screen when it's updated)\n"
"\t\tin seconds\n"
"\t-i\tInterval (time between updates) in seconds\n"
"\t-H\tInteger (displayed this many times each hour)\n"
"\t-h\tthis help message\n",
argv[0], osd_default_font);
return EXIT_SUCCESS;
break;
}
}
osd = xosd_init (font, color, delay, pos, offset, shadow, 2);
if (!osd)
{
fprintf (stderr, "Error initializing osd\n");
return EXIT_FAILURE;
}
/* If no format is specified, we revert to ctime-ish display */
if(!format) format = "%a %b %e %H:%M:%S %G";
while (1)
{
time_t curr_time = time(t);
char output[255];
strftime(output, 255, format, localtime(&curr_time));
xosd_display (osd, 1, XOSD_string, output);
if (perhour)
{
int secs = secondspast();
int gapseconds = 3600 / perhour; // ick, constant
int nextshow = (secs / gapseconds) + 1;
interval = nextshow * gapseconds - secs;
}
sleep(interval);
}
xosd_uninit (osd);
return EXIT_SUCCESS;
}
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