#ifdef HAVE_DMX_CONFIG_H
#include <dmx-config.h>
#endif
#include "dmx.h"
#include "dmxdpms.h"
#include "dmxlog.h"
#include "dmxsync.h"
#ifdef DPMSExtension
#include "dpmsproc.h"
#endif
#include "windowstr.h"
#include <X11/extensions/dpms.h>
static unsigned long dpmsGeneration = 0;
static Bool dpmsSupported = TRUE;
static void _dmxDPMSInit(DMXScreenInfo *dmxScreen)
{
int event_base, error_base;
int major, minor;
CARD16 level, standby, suspend, off;
BOOL state;
const char *monitor;
if (dpmsGeneration != serverGeneration) {
dpmsSupported = TRUE;
dpmsGeneration = serverGeneration;
}
#ifdef DPMSExtension
if (DPMSDisabledSwitch) dpmsSupported = FALSE;
#endif
dmxScreen->dpmsCapable = 0;
if (!dmxScreen->beDisplay) {
dmxLogOutput(dmxScreen,
"Cannot determine if DPMS supported (detached screen)\n");
dpmsSupported = FALSE;
return;
}
if (!DPMSQueryExtension(dmxScreen->beDisplay,
&event_base, &error_base)) {
dmxLogOutput(dmxScreen, "DPMS not supported\n");
dpmsSupported = FALSE;
return;
}
if (!DPMSGetVersion(dmxScreen->beDisplay, &major, &minor)) {
dmxLogOutput(dmxScreen, "DPMS not supported\n");
dpmsSupported = FALSE;
return;
}
if (!DPMSCapable(dmxScreen->beDisplay)) {
dmxLogOutput(dmxScreen, "DPMS %d.%d (not DPMS capable)\n",
major, minor);
dpmsSupported = FALSE;
return;
}
DPMSInfo(dmxScreen->beDisplay, &level, &state);
DPMSGetTimeouts(dmxScreen->beDisplay, &standby, &suspend, &off);
DPMSSetTimeouts(dmxScreen->beDisplay, 0, 0, 0);
DPMSEnable(dmxScreen->beDisplay);
DPMSForceLevel(dmxScreen->beDisplay, DPMSModeOn);
dmxScreen->dpmsCapable = 1;
dmxScreen->dpmsEnabled = !!state;
dmxScreen->dpmsStandby = standby;
dmxScreen->dpmsSuspend = suspend;
dmxScreen->dpmsOff = off;
switch (level) {
case DPMSModeOn: monitor = "on"; break;
case DPMSModeStandby: monitor = "standby"; break;
case DPMSModeSuspend: monitor = "suspend"; break;
case DPMSModeOff: monitor = "off"; break;
default: monitor = "unknown"; break;
}
dmxLogOutput(dmxScreen,
"DPMS %d.%d (%s, %s, %d %d %d)\n",
major, minor, monitor, state ? "enabled" : "disabled",
standby, suspend, off);
}
void dmxDPMSInit(DMXScreenInfo *dmxScreen)
{
int interval, preferBlanking, allowExposures;
_dmxDPMSInit(dmxScreen);
if (!dmxScreen->beDisplay)
return;
XGetScreenSaver(dmxScreen->beDisplay, &dmxScreen->savedTimeout, &interval,
&preferBlanking, &allowExposures);
XSetScreenSaver(dmxScreen->beDisplay, 0, interval,
preferBlanking, allowExposures);
XResetScreenSaver(dmxScreen->beDisplay);
dmxSync(dmxScreen, FALSE);
}
void dmxDPMSTerm(DMXScreenInfo *dmxScreen)
{
int timeout, interval, preferBlanking, allowExposures;
if (!dmxScreen->beDisplay)
return;
XGetScreenSaver(dmxScreen->beDisplay, &timeout, &interval,
&preferBlanking, &allowExposures);
XSetScreenSaver(dmxScreen->beDisplay, dmxScreen->savedTimeout, interval,
preferBlanking, allowExposures);
if (dmxScreen->dpmsCapable) {
DPMSForceLevel(dmxScreen->beDisplay, DPMSModeOn);
DPMSSetTimeouts(dmxScreen->beDisplay, dmxScreen->dpmsStandby,
dmxScreen->dpmsSuspend, dmxScreen->dpmsOff);
if (dmxScreen->dpmsEnabled) DPMSEnable(dmxScreen->beDisplay);
else DPMSDisable(dmxScreen->beDisplay);
}
dmxSync(dmxScreen, FALSE);
}
void dmxDPMSWakeup(void)
{
if (screenIsSaved == SCREEN_SAVER_ON)
dixSaveScreens(serverClient, SCREEN_SAVER_OFF, ScreenSaverReset);
#ifdef DPMSExtension
if (DPMSPowerLevel) DPMSSet(serverClient, 0);
#endif
}
#ifdef DPMSExtension
Bool DPMSSupported(void)
{
return dpmsSupported;
}
int DPMSSet(ClientPtr client, int level)
{
int i;
if (!dpmsSupported) return Success;
if (level < 0) level = DPMSModeOn;
if (level > 3) level = DPMSModeOff;
DPMSPowerLevel = level;
for (i = 0; i < dmxNumScreens; i++) {
DMXScreenInfo *dmxScreen = &dmxScreens[i];
if (dmxScreen->beDisplay) {
DPMSForceLevel(dmxScreen->beDisplay, level);
dmxSync(dmxScreen, FALSE);
}
}
return Success;
}
#endif