osdd.c

/*
 *	On-screen Display Daemon
 *
 *	(c) 2010--2014 Martin Mares <mj@ucw.cz>
 */

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <poll.h>
#include <getopt.h>
#include <locale.h>
#include <X11/Xlib.h>
#include <X11/Xatom.h>

#undef DEBUG
#include "util.h"
#include "display.h"

static struct osd_set osd;
#define FOREACHOSD for(int i=0;i<osd.len;i++)

static timestamp_t now;

/*** Options ***/

static char *font_name = "times-64:bold";
static char *default_color = "green";
static char *default_outline_color = "black";
static int default_outline_width = 2;
static int default_duration = 1000;
static int default_min_duration = 250;
static int default_log = 255;
static int debug_mode;
static int test_mode;
static double line_spacing = 0.2;

static const char short_opts[] = "c:d:Df:m:o:O:s:";

enum long_opt {
  OPT_TEST = 256,
};

static const struct option long_opts[] = {
  { "color",		required_argument,	NULL,	'c' },
  { "debug",		no_argument,		NULL,	'D' },
  { "duration",		required_argument,	NULL,	'd' },
  { "font",		required_argument,	NULL,	'f' },
  { "min-duration",	required_argument,	NULL,	'm' },
  { "outline-color",	required_argument,	NULL,	'o' },
  { "outline-width",	required_argument,	NULL,	'O' },
  { "line-spacing",	required_argument,	NULL,	's' },
  { "log",		required_argument,	NULL,	'L' },
  { "test",		no_argument,		NULL,	OPT_TEST },	// Undocumented test mode
  { NULL,		0,			NULL,	0   },
};

static void NONRET
usage(void)
{
  fprintf(stderr, "Usage: osdd <options>\n\n\
Options:\n\
-c, --color=<c>\t\tDefault color (#rgb, #rrggbb or a name from rgb.txt)\n\
-D, --debug\t\tDebugging mode (do not detach from the terminal)\n\
-d, --duration=<ms>\tDefault message duration in milliseconds\n\
-f, --font=<f>\t\tFont to use for the OSD\n\
-m, --min-duration=<ms>\tDefault minimum message duration in milliseconds\n\
-o, --outline-color=<c>\tDefault outline color\n\
-O, --outline-width=<n>\tDefault outline width (default=2)\n\