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