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From 4259049ca8d06a34c828c70298f3a8fdb8c5104c Mon Sep 17 00:00:00 2001
From: mortezadadgar <mortezadadgar97@gmail.com>
Date: Sat, 23 Sep 2023 18:45:58 +0330
Subject: [PATCH] Update to respect prevoius state of dpms
---
config.def.h | 3 +++
slock.c | 26 ++++++++++++++++++++++++++
2 files changed, 29 insertions(+)
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 5ae738c..b5ac721 100644
--- a/slock.c
+++ b/slock.c
@@ -1,4 +1,5 @@
/* See LICENSE file for license details. */
+#include <X11/Xmd.h>
#define _XOPEN_SOURCE 500
#if HAVE_SHADOW_H
#include <shadow.h>
@@ -15,6 +16,7 @@
#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 +316,8 @@ main(int argc, char **argv) {
const char *hash;
Display *dpy;
int s, nlocks, nscreens;
+ CARD16 standby, suspend, off;
+ BOOL dpms_state;
ARGBEGIN {
case 'v':
@@ -374,6 +378,22 @@ 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 (!DPMSInfo(dpy, &standby, &dpms_state))
+ die("slock: DPMSInfo failed\n");
+ if (!DPMSEnable(dpy) && !dpms_state)
+ 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 +411,11 @@ 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);
+ if (!dpms_state)
+ DPMSDisable(dpy);
+ XSync(dpy, 0);
+
return 0;
}
--
2.42.0
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