commit a52aeea300cfe41f7d2c5bd350b09cadceb54307
parent b3163114230810f49105ee1014c9a6e330f7f7bf
Author: Oscar Benedito <oscar@oscarbenedito.com>
Date:   Sun, 21 Jun 2020 15:41:36 +0200

Applied DPMS patch

This patch interacts with the Display Power Management Signaling and
automatically turns off the monitor after a configurable time. The
monitor is reactivated by a keystroke or moving the mouse.

Diffstat:
Mconfig.def.h | 3+++
Mconfig.h | 3+++
Apatches/slock-dpms-1.4.diff | 62++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
Mslock.c | 20++++++++++++++++++++
4 files changed, 88 insertions(+), 0 deletions(-)

diff --git a/config.def.h b/config.def.h @@ -10,3 +10,6 @@ static const char *colorname[NUMCOLS] = { /* treat a cleared input like a wrong password (color) */ static const int failonclear = 1; + +/* time in seconds before the monitor shuts down */ +static const int monitortime = 5; diff --git a/config.h b/config.h @@ -10,3 +10,6 @@ static const char *colorname[NUMCOLS] = { /* treat a cleared input like a wrong password (color) */ static const int failonclear = 0; + +/* time in seconds before the monitor shuts down */ +static const int monitortime = 5; diff --git a/patches/slock-dpms-1.4.diff b/patches/slock-dpms-1.4.diff @@ -0,0 +1,62 @@ +diff --git a/config.def.h b/config.def.h +index 9855e21..d01bd38 100644 +--- a/config.def.h ++++ b/config.def.h +@@ -10,3 +10,6 @@ static const char *colorname[NUMCOLS] = { + + /* treat a cleared input like a wrong password (color) */ + static const int failonclear = 1; ++ ++/* time in seconds before the monitor shuts down */ ++static const int monitortime = 5; +diff --git a/slock.c b/slock.c +index d2f0886..f65a43b 100644 +--- a/slock.c ++++ b/slock.c +@@ -15,6 +15,7 @@ + #include <unistd.h> + #include <sys/types.h> + #include <X11/extensions/Xrandr.h> ++#include <X11/extensions/dpms.h> + #include <X11/keysym.h> + #include <X11/Xlib.h> + #include <X11/Xutil.h> +@@ -306,6 +307,7 @@ main(int argc, char **argv) { + const char *hash; + Display *dpy; + int s, nlocks, nscreens; ++ CARD16 standby, suspend, off; + + ARGBEGIN { + case 'v': +@@ -366,6 +368,20 @@ main(int argc, char **argv) { + if (nlocks != nscreens) + return 1; + ++ /* DPMS magic to disable the monitor */ ++ if (!DPMSCapable(dpy)) ++ die("slock: DPMSCapable failed\n"); ++ if (!DPMSEnable(dpy)) ++ die("slock: DPMSEnable failed\n"); ++ if (!DPMSGetTimeouts(dpy, &standby, &suspend, &off)) ++ die("slock: DPMSGetTimeouts failed\n"); ++ if (!standby || !suspend || !off) ++ die("slock: at least one DPMS variable is zero\n"); ++ if (!DPMSSetTimeouts(dpy, monitortime, monitortime, monitortime)) ++ die("slock: DPMSSetTimeouts failed\n"); ++ ++ XSync(dpy, 0); ++ + /* run post-lock command */ + if (argc > 0) { + switch (fork()) { +@@ -383,5 +399,9 @@ main(int argc, char **argv) { + /* everything is now blank. Wait for the correct password */ + readpw(dpy, &rr, locks, nscreens, hash); + ++ /* reset DPMS values to inital ones */ ++ DPMSSetTimeouts(dpy, standby, suspend, off); ++ XSync(dpy, 0); ++ + return 0; + } diff --git a/slock.c b/slock.c @@ -15,6 +15,7 @@ #include <unistd.h> #include <sys/types.h> #include <X11/extensions/Xrandr.h> +#include <X11/extensions/dpms.h> #include <X11/keysym.h> #include <X11/Xlib.h> #include <X11/Xutil.h> @@ -314,6 +315,7 @@ main(int argc, char **argv) { const char *hash; Display *dpy; int s, nlocks, nscreens; + CARD16 standby, suspend, off; ARGBEGIN { case 'v': @@ -374,6 +376,20 @@ main(int argc, char **argv) { if (nlocks != nscreens) return 1; + /* DPMS magic to disable the monitor */ + if (!DPMSCapable(dpy)) + die("slock: DPMSCapable failed\n"); + if (!DPMSEnable(dpy)) + die("slock: DPMSEnable failed\n"); + if (!DPMSGetTimeouts(dpy, &standby, &suspend, &off)) + die("slock: DPMSGetTimeouts failed\n"); + if (!standby || !suspend || !off) + die("slock: at least one DPMS variable is zero\n"); + if (!DPMSSetTimeouts(dpy, monitortime, monitortime, monitortime)) + die("slock: DPMSSetTimeouts failed\n"); + + XSync(dpy, 0); + /* run post-lock command */ if (argc > 0) { switch (fork()) { @@ -391,5 +407,9 @@ main(int argc, char **argv) { /* everything is now blank. Wait for the correct password */ readpw(dpy, &rr, locks, nscreens, hash); + /* reset DPMS values to inital ones */ + DPMSSetTimeouts(dpy, standby, suspend, off); + XSync(dpy, 0); + return 0; }