Reorganise, change license, portable makefile, and reference radharc

Signed-off-by: Mattias Andrée <maandree@kth.se>

1 files changed, 0 insertions, 460 deletions

diff --git a/src/cg-sleepmode.c b/src/cg-sleepmode.c
deleted file mode 100644
index 3248d58..0000000
--- a/src/cg-sleepmode.c
+++ /dev/null
@@ -1,460 +0,0 @@
-/**
- * cg-tools -- Cooperative gamma-enabled tools
- * Copyright (C) 2016, 2018  Mattias Andrée (maandree@kth.se)
- * 
- * 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 3 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, see <http://www.gnu.org/licenses/>.
- */
-#include "cg-base.h"
-
-#include <libclut.h>
-
-#if defined(_GNU_SOURCE)
-# undef _GNU_SOURCE
-#endif
-#include <errno.h>
-#include <sched.h>
-#include <signal.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <time.h>
-#include <unistd.h>
-
-
-
-/**
- * The default filter priority for the program
- */
-const int64_t default_priority = (int64_t)3 << 59;
-
-/**
- * The default class for the program
- */
-char default_class[] = PKGNAME "::cg-sleepmode::standard";
-
-/**
- * Class suffixes
- */
-const char* const* class_suffixes = (const char* const[]){NULL};
-
-
-
-/**
- * -r: fade-out time for the red channel
- */
-static char* rflag;
-
-/**
- * -g: fade-out time for the green channel
- */
-static char* gflag;
-
-/**
- * -b: fade-out time for the blue channel
- */
-static char* bflag;
-
-/**
- * The duration, in seconds, of the red channel's fade out
- */
-static double red_time = 3;
-
-/**
- * The duration, in seconds, of the green channel's fade out
- */
-static double green_time = 2;
-
-/**
- * The duration, in seconds, of the blue channel's fade out
- */
-static double blue_time = 1;
-
-/**
- * The luminosity of red channel after the fade out
- */
-static double red_target = 0.5;
-
-/**
- * The luminosity of green channel after the fade out
- */
-static double green_target = 0;
-
-/**
- * The luminosity of blue channel after the fade out
- */
-static double blue_target = 0;
-
-/**
- * Time to fade in?
- */
-static volatile sig_atomic_t received_int = 0;
-
-
-
-/**
- * Print usage information and exit
- */
-void usage(void)
-{
-  fprintf(stderr,
-	  "Usage: %s [-M method] [-S site] [-c crtc]... [-R rule] [-p priority] "
-	  "[-r red-fadeout-time] [-g green-fadeout-time] [-b blue-fadeout-time] "
-	  "[red-luminosity [green-luminosity [blue-luminosity]]]\n",
-	  argv0);
-  exit(1);
-}
-
-
-/**
- * Called when a signal is received
- * that tells the program to terminate
- * 
- * @param  signo  The received signal
- */
-static void sig_int(int signo)
-{
-  received_int = 1;
-  (void) signo;
-}
-
-
-/**
- * Handle a command line option
- * 
- * @param   opt  The option, it is a NUL-terminate two-character
- *               string starting with either '-' or '+', if the
- *               argument is not recognised, call `usage`. This
- *               string will not be "-M", "-S", "-c", "-p", or "-R".
- * @param   arg  The argument associated with `opt`,
- *               `NULL` there is no next argument, if this
- *               parameter is `NULL` but needed, call `usage`
- * @return       0 if `arg` was not used,
- *               1 if `arg` was used,
- *               -1 on error
- */
-int handle_opt(char* opt, char* arg)
-{
-  if (opt[0] == '-')
-    switch (opt[1])
-      {
-      case 'r':
-	if (rflag || !(rflag = arg))
-	  usage();
-	return 1;
-      case 'g':
-	if (gflag || !(gflag = arg))
-	  usage();
-	return 1;
-      case 'b':
-	if (bflag || !(bflag = arg))
-	  usage();
-	return 1;
-      default:
-	usage();
-      }
-  else
-    usage();
-  return 0;
-}
-
-
-/**
- * Parse a non-negative double encoded as a string
- * 
- * @param   out  Output parameter for the value
- * @param   str  The string
- * @return       Zero on success, -1 if the string is invalid
- */
-static int parse_double(double* restrict out, const char* restrict str)
-{
-  char* end;
-  errno = 0;
-  *out = strtod(str, &end);
-  if (errno || (*out < 0) || isinf(*out) || isnan(*out) || *end)
-    return -1;
-  if (!*str || !strchr("0123456789.", *str))
-    return -1;
-  return 0;
-}
-
-
-/**
- * This function is called after the last
- * call to `handle_opt`
- * 
- * @param   argc  The number of unparsed arguments
- * @param   argv  `NULL` terminated list of unparsed arguments
- * @param   prio  The argument associated with the "-p" option
- * @return        Zero on success, -1 on error
- */
-int handle_args(int argc, char* argv[], char* prio)
-{
-  int q = (rflag || gflag || bflag || argc);
-  if ((q > 1) || (argc > 3))
-    usage();
-  if (rflag != NULL)
-    if (parse_double(&red_time, rflag) < 0)
-      usage();
-  if (gflag != NULL)
-    if (parse_double(&green_time, gflag) < 0)
-      usage();
-  if (bflag != NULL)
-    if (parse_double(&blue_time, bflag) < 0)
-      usage();
-  if (argc >= 1)
-    if (parse_double(&red_target, argv[0]) < 0)
-      usage();
-  if (argc >= 2)
-    if (parse_double(&green_target, argv[1]) < 0)
-      usage();
-  if (argc >= 3)
-    if (parse_double(&blue_target, argv[2]) < 0)
-      usage();
-  if (red_target >= 1)
-    red_time = 0;
-  if (green_target >= 1)
-    green_time = 0;
-  if (blue_target >= 1)
-    blue_time = 0;
-  return 0;
-  (void) prio;
-}
-
-
-/**
- * Fill a filter
- * 
- * @param  filter  The filter to fill
- * @param  red     The red brightness
- * @param  green   The green brightness
- * @param  blue    The blue brightness
- */
-static void fill_filter(libcoopgamma_filter_t* restrict filter, double red, double green, double blue)
-{
-  switch (filter->depth)
-    {
-#define X(CONST, MEMBER, MAX, TYPE)\
-    case CONST:\
-      libclut_start_over(&(filter->ramps.MEMBER), MAX, TYPE, 1, 1, 1);\
-      libclut_rgb_brightness(&(filter->ramps.MEMBER), MAX, TYPE, red, green, blue);\
-      break;
-LIST_DEPTHS
-#undef X
-    default:
-      abort();
-    }
-}
-
-
-/**
- * Get the current monotonic time as a double
- * 
- * @param   now  Output parameter for the current time (monotonic)
- * @return       Zero on success, -1 on error
- */
-static int double_time(double* restrict now)
-{
-#ifndef CLOCK_MONOTONIC_RAW
-# define CLOCK_MONOTONIC_RAW  CLOCK_MONOTONIC
-#endif
-  struct timespec ts;
-  if (clock_gettime(CLOCK_MONOTONIC_RAW, &ts) < 0)
-    return -1;
-  *now  = (double)(ts.tv_nsec);
-  *now /= 1000000000L;
-  *now += (double)(ts.tv_sec);
-  return 0;
-}
-
-
-/**
- * The main function for the program-specific code
- * 
- * @return  0: Success
- *          -1: Error, `errno` set
- *          -2: Error, `cg.error` set
- *          -3: Error, message already printed
- */
-int start(void)
-{
-  int r, fade_red, fade_green, fade_blue;
-  size_t i, j;
-  double t, starttime, red, green, blue, redt, greent, bluet;
-  
-  redt   = (red_target   - 1) / red_time;
-  greent = (green_target - 1) / green_time;
-  bluet  = (blue_target  - 1) / blue_time;
-  fade_red   = !isinf(redt)   && !isnan(redt);
-  fade_green = !isinf(greent) && !isnan(greent);
-  fade_blue  = !isinf(bluet)  && !isnan(bluet);
-  
-  for (i = 0; i < filters_n; i++)
-    crtc_updates[i].filter.lifespan = LIBCOOPGAMMA_UNTIL_DEATH;
-  
-  if ((r = make_slaves()) < 0)
-    return r;
-  
-  if ((r = double_time(&starttime)) < 0)
-    return r;
-  
-  red   = red_target   < 0 ? 0 : red_target   > 1 ? 1 : red_target;
-  green = green_target < 0 ? 0 : green_target > 1 ? 1 : green_target;
-  blue  = blue_target  < 0 ? 0 : blue_target  > 1 ? 1 : blue_target;
-  
-  for (;;)
-    {
-      if ((r = double_time(&t)) < 0)
-	return r;
-      t -= starttime;
-      if (fade_red)
-	{if (red   = 1 + t * redt,   red   > 1)  red   = 1;  else if (red   < 0)  red   = 0;}
-      if (fade_green)
-	{if (green = 1 + t * greent, green > 1)  green = 1;  else if (green < 0)  green = 0;}
-      if (fade_blue)
-	{if (blue  = 1 + t * bluet,  blue  > 1)  blue  = 1;  else if (blue  < 0)  blue  = 0;}
-      
-      for (i = 0, r = 1; i < filters_n; i++)
-	{
-	  if (!(crtc_updates[i].master) || !(crtc_info[crtc_updates[i].crtc].supported))
-	    continue;
-	  fill_filter(&(crtc_updates[i].filter), red, green, blue);
-	  r = update_filter(i, 0);
-	  if ((r == -2) || ((r == -1) && (errno != EAGAIN)))
-	    return r;
-	  if (crtc_updates[i].slaves != NULL)
-	    for (j = 0; crtc_updates[i].slaves[j] != 0; j++)
-	      {
-		r = update_filter(crtc_updates[i].slaves[j], 0);
-		if ((r == -2) || ((r == -1) && (errno != EAGAIN)))
-		  return r;
-	      }
-	}
-      
-      while (r != 1)
-	if ((r = synchronise(-1)) < 0)
-	  return r;
-      
-      sched_yield();
-      
-      if ((t >= red_time) && (t >= green_time) && (t >= blue_time))
-	break;
-    }
-  
-  if ((signal(SIGINT,  sig_int) == SIG_ERR) ||
-      (signal(SIGTERM, sig_int) == SIG_ERR) ||
-      (signal(SIGHUP,  sig_int) == SIG_ERR))
-    return -1;
-  
-  if (libcoopgamma_set_nonblocking(&cg, 0) < 0)
-    return -1;
-  for (;;)
-    if (libcoopgamma_synchronise(&cg, NULL, 0, &j) < 0)
-      {
-	if (received_int)
-	  goto fade_in;
-	switch (errno)
-	  {
-	  case 0:
-	    break;
-	  case ENOTRECOVERABLE:
-	    goto enotrecoverable;
-	  default:
-	    return 1;
-	  }
-      }
-  
- fade_in:
-  if (libcoopgamma_set_nonblocking(&cg, 1) < 0)
-    return -1;
-  
-  t = red_time;
-  t = t > green_time ? t : green_time;
-  t = t > blue_time  ? t : blue_time;
-  redt   = t - red_time;
-  greent = t - green_time;
-  bluet  = t - blue_time;
-  t = red_time + green_time + blue_time;
-  if (red_time > 0)
-    t = t < red_time   ? t : red_time;
-  if (green_time > 0)
-    t = t < green_time ? t : green_time;
-  if (blue_time > 0)
-    t = t < blue_time  ? t : blue_time;
-  red_time   = t + redt;
-  green_time = t + greent;
-  blue_time  = t + bluet;
-  
-  red = green = blue = 1;
-  
-  if ((r = double_time(&starttime)) < 0)
-    return r;
-  
-  for (;;)
-    {
-      if ((r = double_time(&t)) < 0)
-	return r;
-      t -= starttime;
-      redt   = t / red_time;
-      greent = t / green_time;
-      bluet  = t / blue_time;
-      if (!isinf(redt) && !isnan(redt))
-	{
-	  red = red_target * (1 - redt) + redt;
-	  if (red > 1)  red = 1;  else if (red < 0)  red = 0;
-	}
-      if (!isinf(greent) && !isnan(greent))
-	{
-	  green = green_target * (1 - greent) + greent;
-	  if (green > 1)  green = 1;  else if (green < 0)  green = 0;
-	}
-      if (!isinf(bluet) && !isnan(bluet))
-	{
-	  blue = blue_target * (1 - bluet) + bluet;
-	  if (blue > 1)  blue = 1;  else if (blue < 0)  blue = 0;
-	}
-      
-      for (i = 0, r = 1; i < filters_n; i++)
-	{
-	  if (!(crtc_updates[i].master) || !(crtc_info[crtc_updates[i].crtc].supported))
-	    continue;
-	  fill_filter(&(crtc_updates[i].filter), red, green, blue);
-	  r = update_filter(i, 0);
-	  if ((r == -2) || ((r == -1) && (errno != EAGAIN)))
-	    return r;
-	  if (crtc_updates[i].slaves != NULL)
-	    for (j = 0; crtc_updates[i].slaves[j] != 0; j++)
-	      {
-		r = update_filter(crtc_updates[i].slaves[j], 0);
-		if ((r == -2) || ((r == -1) && (errno != EAGAIN)))
-		  return r;
-	      }
-	}
-      
-      while (r != 1)
-	if ((r = synchronise(-1)) < 0)
-	  return r;
-      
-      sched_yield();
-      
-      if ((t >= red_time) && (t >= green_time) && (t >= blue_time))
-	break;
-    }
-  
-  return 0;
- enotrecoverable:
-  for (;;)
-    if (pause() < 0)
-      return -1;
-}
-