2006-11-26 11:13:41 -07:00
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/*
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* Copyright 2003-2004 Red Hat Inc., Durham, North Carolina.
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*
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* All Rights Reserved.
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*
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* Permission is hereby granted, free of charge, to any person obtaining
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* a copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation on the rights to use, copy, modify, merge,
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* publish, distribute, sublicense, and/or sell copies of the Software,
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* and to permit persons to whom the Software is furnished to do so,
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* subject to the following conditions:
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*
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* The above copyright notice and this permission notice (including the
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* next paragraph) shall be included in all copies or substantial
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* portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NON-INFRINGEMENT. IN NO EVENT SHALL RED HAT AND/OR THEIR SUPPLIERS
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* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
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* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*/
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/*
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* Author:
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* Rickard E. (Rik) Faith <faith@redhat.com>
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*
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*/
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/** \file
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* Provides DPMS support and unifies all DPMS and other screen-saver
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* support in one file. If -dpms is given on the command line, or the
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* Xdmx server is not compiled with DPMS support, then the DPMS extension
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* does not work for clients, but DPMS on the backends is still disables
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* (and restored at Xdmx server shutdown time).
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*/
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#ifdef HAVE_DMX_CONFIG_H
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#include <dmx-config.h>
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#endif
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#include "dmx.h"
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#include "dmxdpms.h"
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#include "dmxlog.h"
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#include "dmxsync.h"
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#ifdef DPMSExtension
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#include "dpmsproc.h"
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#endif
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#include "windowstr.h" /* For screenIsSaved */
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#include <X11/extensions/dpms.h>
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2019-07-27 01:57:06 -06:00
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static int
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2012-06-10 07:21:05 -06:00
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_dmxDPMSInit(DMXScreenInfo * dmxScreen)
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2006-11-26 11:13:41 -07:00
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{
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2012-06-10 07:21:05 -06:00
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int event_base, error_base;
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int major, minor;
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CARD16 level, standby, suspend, off;
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BOOL state;
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2006-11-26 11:13:41 -07:00
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const char *monitor;
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#ifdef DPMSExtension
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2012-06-10 07:21:05 -06:00
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if (DPMSDisabledSwitch)
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2019-07-27 01:57:06 -06:00
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return FALSE;
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2006-11-26 11:13:41 -07:00
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#endif
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dmxScreen->dpmsCapable = 0;
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2012-06-10 07:21:05 -06:00
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2006-11-26 11:13:41 -07:00
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if (!dmxScreen->beDisplay) {
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dmxLogOutput(dmxScreen,
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2012-06-10 07:21:05 -06:00
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"Cannot determine if DPMS supported (detached screen)\n");
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2019-07-27 01:57:06 -06:00
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return FALSE;
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2006-11-26 11:13:41 -07:00
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}
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2012-06-10 07:21:05 -06:00
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if (!DPMSQueryExtension(dmxScreen->beDisplay, &event_base, &error_base)) {
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2006-11-26 11:13:41 -07:00
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dmxLogOutput(dmxScreen, "DPMS not supported\n");
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2019-07-27 01:57:06 -06:00
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return FALSE;
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2006-11-26 11:13:41 -07:00
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}
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if (!DPMSGetVersion(dmxScreen->beDisplay, &major, &minor)) {
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dmxLogOutput(dmxScreen, "DPMS not supported\n");
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2019-07-27 01:57:06 -06:00
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return FALSE;
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2006-11-26 11:13:41 -07:00
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}
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if (!DPMSCapable(dmxScreen->beDisplay)) {
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dmxLogOutput(dmxScreen, "DPMS %d.%d (not DPMS capable)\n",
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major, minor);
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2019-07-27 01:57:06 -06:00
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return FALSE;
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2006-11-26 11:13:41 -07:00
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}
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DPMSInfo(dmxScreen->beDisplay, &level, &state);
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DPMSGetTimeouts(dmxScreen->beDisplay, &standby, &suspend, &off);
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DPMSSetTimeouts(dmxScreen->beDisplay, 0, 0, 0);
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DPMSEnable(dmxScreen->beDisplay);
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DPMSForceLevel(dmxScreen->beDisplay, DPMSModeOn);
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dmxScreen->dpmsCapable = 1;
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2012-06-10 07:21:05 -06:00
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dmxScreen->dpmsEnabled = ! !state;
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2006-11-26 11:13:41 -07:00
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dmxScreen->dpmsStandby = standby;
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dmxScreen->dpmsSuspend = suspend;
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2012-06-10 07:21:05 -06:00
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dmxScreen->dpmsOff = off;
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2006-11-26 11:13:41 -07:00
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switch (level) {
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2012-06-10 07:21:05 -06:00
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case DPMSModeOn:
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monitor = "on";
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break;
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case DPMSModeStandby:
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monitor = "standby";
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break;
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case DPMSModeSuspend:
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monitor = "suspend";
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break;
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case DPMSModeOff:
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monitor = "off";
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break;
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default:
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monitor = "unknown";
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break;
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2006-11-26 11:13:41 -07:00
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}
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2012-06-10 07:21:05 -06:00
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2006-11-26 11:13:41 -07:00
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dmxLogOutput(dmxScreen,
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"DPMS %d.%d (%s, %s, %d %d %d)\n",
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major, minor, monitor, state ? "enabled" : "disabled",
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standby, suspend, off);
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2019-07-27 01:57:06 -06:00
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return TRUE;
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2006-11-26 11:13:41 -07:00
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}
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/** Initialize DPMS support. We save the current settings and turn off
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* DPMS. The settings are restored in #dmxDPMSTerm. */
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2019-07-27 01:57:06 -06:00
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int
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2012-06-10 07:21:05 -06:00
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dmxDPMSInit(DMXScreenInfo * dmxScreen)
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2006-11-26 11:13:41 -07:00
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{
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2012-06-10 07:21:05 -06:00
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int interval, preferBlanking, allowExposures;
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2006-11-26 11:13:41 -07:00
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2012-06-10 07:21:05 -06:00
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/* Turn off DPMS */
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2019-07-27 01:57:06 -06:00
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if (!_dmxDPMSInit(dmxScreen))
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return FALSE;
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2006-11-26 11:13:41 -07:00
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if (!dmxScreen->beDisplay)
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2019-07-27 01:57:06 -06:00
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return FALSE;
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2006-11-26 11:13:41 -07:00
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2012-06-10 07:21:05 -06:00
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/* Turn off screen saver */
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2006-11-26 11:13:41 -07:00
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XGetScreenSaver(dmxScreen->beDisplay, &dmxScreen->savedTimeout, &interval,
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2012-06-10 07:21:05 -06:00
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&preferBlanking, &allowExposures);
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XSetScreenSaver(dmxScreen->beDisplay, 0, interval,
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preferBlanking, allowExposures);
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2006-11-26 11:13:41 -07:00
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XResetScreenSaver(dmxScreen->beDisplay);
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dmxSync(dmxScreen, FALSE);
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2019-07-27 01:57:06 -06:00
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return TRUE;
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2006-11-26 11:13:41 -07:00
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}
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/** Terminate DPMS support on \a dmxScreen. We restore the settings
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* saved in #dmxDPMSInit. */
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2012-06-10 07:21:05 -06:00
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void
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dmxDPMSTerm(DMXScreenInfo * dmxScreen)
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{
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2012-06-10 07:21:05 -06:00
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int timeout, interval, preferBlanking, allowExposures;
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2006-11-26 11:13:41 -07:00
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if (!dmxScreen->beDisplay)
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2012-06-10 07:21:05 -06:00
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return;
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2006-11-26 11:13:41 -07:00
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XGetScreenSaver(dmxScreen->beDisplay, &timeout, &interval,
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2012-06-10 07:21:05 -06:00
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&preferBlanking, &allowExposures);
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2006-11-26 11:13:41 -07:00
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XSetScreenSaver(dmxScreen->beDisplay, dmxScreen->savedTimeout, interval,
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2012-06-10 07:21:05 -06:00
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preferBlanking, allowExposures);
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2006-11-26 11:13:41 -07:00
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if (dmxScreen->dpmsCapable) {
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2012-06-10 07:21:05 -06:00
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/* Restore saved state */
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2006-11-26 11:13:41 -07:00
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DPMSForceLevel(dmxScreen->beDisplay, DPMSModeOn);
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DPMSSetTimeouts(dmxScreen->beDisplay, dmxScreen->dpmsStandby,
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dmxScreen->dpmsSuspend, dmxScreen->dpmsOff);
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2012-06-10 07:21:05 -06:00
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if (dmxScreen->dpmsEnabled)
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DPMSEnable(dmxScreen->beDisplay);
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else
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DPMSDisable(dmxScreen->beDisplay);
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2006-11-26 11:13:41 -07:00
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}
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dmxSync(dmxScreen, FALSE);
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}
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/** Called when activity is detected so that DPMS power-saving mode can
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* be deactivated. */
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2012-06-10 07:21:05 -06:00
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void
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dmxDPMSWakeup(void)
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2006-11-26 11:13:41 -07:00
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{
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if (screenIsSaved == SCREEN_SAVER_ON)
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2008-11-02 08:26:08 -07:00
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dixSaveScreens(serverClient, SCREEN_SAVER_OFF, ScreenSaverReset);
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2006-11-26 11:13:41 -07:00
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#ifdef DPMSExtension
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2012-06-10 07:21:05 -06:00
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if (DPMSPowerLevel)
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DPMSSet(serverClient, 0);
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2006-11-26 11:13:41 -07:00
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#endif
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}
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#ifdef DPMSExtension
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2019-07-27 01:57:06 -06:00
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void
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dmxDPMSBackend(DMXScreenInfo *dmxScreen, int level)
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2006-11-26 11:13:41 -07:00
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{
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2019-07-27 01:57:06 -06:00
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if (dmxScreen->beDisplay) {
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DPMSForceLevel(dmxScreen->beDisplay, level);
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dmxSync(dmxScreen, FALSE);
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2006-11-26 11:13:41 -07:00
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}
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}
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#endif
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