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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; }
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