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Diffstat (limited to 'src/cg-sleepmode.c')
| -rw-r--r-- | src/cg-sleepmode.c | 460 |
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; -} - |