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Diffstat (limited to 'cg-sleepmode.c')
-rw-r--r--cg-sleepmode.c534
1 files changed, 274 insertions, 260 deletions
diff --git a/cg-sleepmode.c b/cg-sleepmode.c
index 67b5570..df50ffc 100644
--- a/cg-sleepmode.c
+++ b/cg-sleepmode.c
@@ -30,24 +30,24 @@ char default_class[] = PKGNAME "::cg-sleepmode::standard";
/**
* Class suffixes
*/
-const char* const* class_suffixes = (const char* const[]){NULL};
+const char *const *class_suffixes = (const char *const[]){NULL};
/**
* -r: fade-out time for the red channel
*/
-static char* rflag;
+static char *rflag;
/**
* -g: fade-out time for the green channel
*/
-static char* gflag;
+static char *gflag;
/**
* -b: fade-out time for the blue channel
*/
-static char* bflag;
+static char *bflag;
/**
* The duration, in seconds, of the red channel's fade out
@@ -89,14 +89,15 @@ static volatile sig_atomic_t received_int = 0;
/**
* Print usage information and exit
*/
-void usage(void)
+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);
+ 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);
}
@@ -106,10 +107,11 @@ void usage(void)
*
* @param signo The received signal
*/
-static void sig_int(int signo)
+static void
+sig_int(int signo)
{
- received_int = 1;
- (void) signo;
+ received_int = 1;
+ (void) signo;
}
@@ -127,29 +129,30 @@ static void sig_int(int signo)
* 1 if `arg` was used,
* -1 on error
*/
-int handle_opt(char* opt, char* arg)
+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;
+ 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;
}
@@ -160,16 +163,17 @@ int handle_opt(char* opt, char* arg)
* @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)
+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;
+ 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;
}
@@ -182,37 +186,32 @@ static int parse_double(double* restrict out, const char* restrict str)
* @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
+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;
+ int q = (rflag || gflag || bflag || argc);
+ if (q > 1 || argc > 3)
+ usage();
+ if (rflag && parse_double(&red_time, rflag) < 0)
+ usage();
+ if (gflag && parse_double(&green_time, gflag) < 0)
+ usage();
+ if (bflag && parse_double(&blue_time, bflag) < 0)
+ usage();
+ if (argc >= 1 && parse_double(&red_target, argv[0]) < 0)
+ usage();
+ if (argc >= 2 && parse_double(&green_target, argv[1]) < 0)
+ usage();
+ if (argc >= 3 && 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;
}
@@ -224,20 +223,20 @@ int handle_args(int argc, char* argv[], char* prio)
* @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)
+static void
+fill_filter(libcoopgamma_filter_t *restrict filter, double red, double green, double blue)
{
- switch (filter->depth)
- {
+ 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
+ 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();
- }
+ default:
+ abort();
+ }
}
@@ -247,18 +246,19 @@ LIST_DEPTHS
* @param now Output parameter for the current time (monotonic)
* @return Zero on success, -1 on error
*/
-static int double_time(double* restrict now)
+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;
+ 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;
}
@@ -270,174 +270,188 @@ static int double_time(double* restrict now)
* -2: Error, `cg.error` set
* -3: Error, message already printed
*/
-int start(void)
+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;
+ 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) {
+ red = 1 + t * redt;
+ if (red > 1)
+ red = 1;
+ else if (red < 0)
+ red = 0;
+ }
+ if (fade_green) {
+ green = 1 + t * greent;
+ if (green > 1)
+ green = 1;
+ else if (green < 0)
+ green = 0;
+ }
+ if (fade_blue) {
+ blue = 1 + t * 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)
+ for (j = 0; crtc_updates[i].slaves[j]; 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 (!isinf(bluet) && !isnan(bluet))
- {
- blue = blue_target * (1 - bluet) + bluet;
- if (blue > 1) blue = 1; else if (blue < 0) blue = 0;
+
+ 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;
+ }
+ }
}
-
- 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;
- }
+
+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) {
+ for (j = 0; crtc_updates[i].slaves[j]; j++) {
+ r = update_filter(crtc_updates[i].slaves[j], 0);
+ if (r == -2 || (r == -1 && errno != EAGAIN))
+ return r;
+ }
+ }
+ }
+
+ while (r != 1 && (r = synchronise(-1)) < 0)
+ return r;
+
+ sched_yield();
+
+ if (t >= red_time && t >= green_time && t >= blue_time)
+ break;
}
-
- 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;
+
+ return 0;
+enotrecoverable:
+ pause();
+ return -1;
}
generated by cgit v1.2.3-70-g09d2 (git 2.47.0) at 2024-12-04 10:17:39 +0000