Re: [dwm] [slock] slock doesn't like to deactivate after password entry

[Ali Gholami Rudi]

Hi,

On Mon, Dec 08, 2008 at 04:00:48PM -0800, Thayer Williams wrote:
> I've been using slock for about two months now and, as per the
> subject, slock doesn't release my screen right away after a valid
> password entry.  After inputing the password and pressing Enter, the
> screen remains blanked and no amount of input brings it up. I can
> actually see the LCD backlight flicking on and off with each
> subsequent keypress or mouse wiggle.

I don't know how to handle others, but I use this patch for handling the
flickering problem.  AFAIK turning a lamp on and off excessively
decreases its lifetime; that might be true for displays, too.

Regards,
Ali

diff --git a/slock.c b/slock.c
--- a/slock.c
+++ b/slock.c
@@ -79,6 +79,7 @@
        XColor black, dummy;
        XEvent ev;
        XSetWindowAttributes wa;
+       CARD16 standby, suspend, off;
 
        if((argc == 2) && !strcmp("-v", argv[1]))
                die("slock-"VERSION", © 2006-2008 Anselm R Garbe\n");
@@ -123,12 +124,14 @@
        len = 0;
        XSync(dpy, False);
 
+       /* save and customize DPMS settings */
+       if (DPMSCapable(dpy)) {
+               DPMSGetTimeouts(dpy, &standby, &suspend, &off);
+               DPMSSetTimeouts(dpy, 10, 30, 90);
+       }
+
        /* main event loop */
        while(running && !XNextEvent(dpy, &ev)) {
-               if(len == 0 && DPMSCapable(dpy)) {
-                       DPMSEnable(dpy);
-                       DPMSForceLevel(dpy, DPMSModeOff);
-               }
                if(ev.type == KeyPress) {
                        buf[0] = 0;
                        num = XLookupString(&ev.xkey, buf, sizeof buf, &ksym, 
0);
@@ -170,6 +173,10 @@
                        }
                }
        }
+       /* restore DPMS settings */
+       if (DPMSCapable(dpy)) {
+               DPMSSetTimeouts(dpy, standby, suspend, off);
+       }
        XUngrabPointer(dpy, CurrentTime);
        XFreePixmap(dpy, pmap);
        XDestroyWindow(dpy, w);