X-Git-Url: https://git.armaanb.net/?p=slock.git;a=blobdiff_plain;f=slock.c;h=2b06ca2a9c3b79c6ef7b9fe6fa2686edab91be7f;hp=4a10a9430b84db6978e58fe7af349fbeb15cd5e0;hb=716d7ac8524d47f244928ae45ca79194cfa2e7ff;hpb=476d719e840028f54ea3ed5c3fecffa54913d9f6

diff --git a/slock.c b/slock.c
index 4a10a94..2b06ca2 100644
--- a/slock.c
+++ b/slock.c
@@ -16,6 +16,7 @@
 #include <time.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>
@@ -335,6 +336,7 @@ main(int argc, char **argv) {
 	const char *hash;
 	Display *dpy;
 	int s, nlocks, nscreens;
+	CARD16 standby, suspend, off;
 
 	ARGBEGIN {
 	case 'v':
@@ -395,6 +397,20 @@ 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()) {
@@ -412,5 +428,9 @@ 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;
 }