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-rw-r--r--nx-X11/programs/Xserver/Xext/dpms.c6
-rw-r--r--nx-X11/programs/Xserver/dix/main.c6
-rw-r--r--nx-X11/programs/Xserver/os/WaitFor.c193
3 files changed, 105 insertions, 100 deletions
diff --git a/nx-X11/programs/Xserver/Xext/dpms.c b/nx-X11/programs/Xserver/Xext/dpms.c
index e05a70621..74969bb52 100644
--- a/nx-X11/programs/Xserver/Xext/dpms.c
+++ b/nx-X11/programs/Xserver/Xext/dpms.c
@@ -183,12 +183,12 @@ ProcDPMSSetTimeouts(client)
client->errorValue = stuff->suspend;
return BadValue;
}
-
+
DPMSStandbyTime = stuff->standby * MILLI_PER_SECOND;
DPMSSuspendTime = stuff->suspend * MILLI_PER_SECOND;
DPMSOffTime = stuff->off * MILLI_PER_SECOND;
- SetDPMSTimers();
-
+ SetScreenSaverTimer();
+
return(client->noClientException);
}
diff --git a/nx-X11/programs/Xserver/dix/main.c b/nx-X11/programs/Xserver/dix/main.c
index 3f3c079e4..eb8f359a6 100644
--- a/nx-X11/programs/Xserver/dix/main.c
+++ b/nx-X11/programs/Xserver/dix/main.c
@@ -335,9 +335,6 @@ main(int argc, char *argv[], char *envp[])
InitRootWindow(screenInfo.screens[i]->root);
DefineInitialRootWindow(screenInfo.screens[0]->root);
SaveScreens(SCREEN_SAVER_FORCER, ScreenSaverReset);
-#ifdef DPMSExtension
- SetDPMSTimers();
-#endif
#ifdef PANORAMIX
if (!noPanoramiXExtension) {
@@ -387,9 +384,6 @@ main(int argc, char *argv[], char *envp[])
}
FreeFonts();
-#ifdef DPMSExtension
- FreeDPMSTimers();
-#endif
FreeAuditTimer();
ReleaseClientIds(serverClient);
diff --git a/nx-X11/programs/Xserver/os/WaitFor.c b/nx-X11/programs/Xserver/os/WaitFor.c
index 76e5da5f2..cb97039a7 100644
--- a/nx-X11/programs/Xserver/os/WaitFor.c
+++ b/nx-X11/programs/Xserver/os/WaitFor.c
@@ -701,26 +701,89 @@ TimerInit(void)
}
}
+#ifdef DPMSExtension
+
+#define DPMS_CHECK_MODE(mode,time)\
+ if (time > 0 && DPMSPowerLevel < mode && timeout >= time)\
+ DPMSSet(mode);
+
+#define DPMS_CHECK_TIMEOUT(time)\
+ if (time > 0 && (time - timeout) > 0)\
+ return time - timeout;
+
+static CARD32
+NextDPMSTimeout(INT32 timeout)
+{
+ /*
+ * Return the amount of time remaining until we should set
+ * the next power level. Fallthroughs are intentional.
+ */
+ switch (DPMSPowerLevel)
+ {
+ case DPMSModeOn:
+ DPMS_CHECK_TIMEOUT(DPMSStandbyTime)
+
+ case DPMSModeStandby:
+ DPMS_CHECK_TIMEOUT(DPMSSuspendTime)
+
+ case DPMSModeSuspend:
+ DPMS_CHECK_TIMEOUT(DPMSOffTime)
+
+ default: /* DPMSModeOff */
+ return 0;
+ }
+}
+#endif /* DPMSExtension */
+
static CARD32
ScreenSaverTimeoutExpire(OsTimerPtr timer,CARD32 now,void * arg)
{
- INT32 timeout = now - lastDeviceEventTime.milliseconds;
+ INT32 timeout = now - lastDeviceEventTime.milliseconds;
+ CARD32 nextTimeout = 0;
+
+#ifdef DPMSExtension
+ /*
+ * Check each mode lowest to highest, since a lower mode can
+ * have the same timeout as a higher one.
+ */
+ if (DPMSEnabled)
+ {
+ DPMS_CHECK_MODE(DPMSModeOff, DPMSOffTime)
+ DPMS_CHECK_MODE(DPMSModeSuspend, DPMSSuspendTime)
+ DPMS_CHECK_MODE(DPMSModeStandby, DPMSStandbyTime)
- if (timeout < ScreenSaverTime) {
- return ScreenSaverTime - timeout;
+ nextTimeout = NextDPMSTimeout(timeout);
+ }
+
+ /*
+ * Only do the screensaver checks if we're not in a DPMS
+ * power saving mode
+ */
+ if (DPMSPowerLevel != DPMSModeOn)
+ return nextTimeout;
+#endif /* DPMSExtension */
+
+ if (!ScreenSaverTime)
+ return nextTimeout;
+
+ if (timeout < ScreenSaverTime)
+ {
+ return nextTimeout > 0 ?
+ MIN(ScreenSaverTime - timeout, nextTimeout) :
+ ScreenSaverTime - timeout;
}
ResetOsBuffers(); /* not ideal, but better than nothing */
SaveScreens(SCREEN_SAVER_ON, ScreenSaverActive);
-#ifdef DPMSExtension
- if (ScreenSaverInterval > 0 && DPMSPowerLevel == DPMSModeOn)
-#else
if (ScreenSaverInterval > 0)
-#endif /* DPMSExtension */
- return ScreenSaverInterval;
+ {
+ nextTimeout = nextTimeout > 0 ?
+ MIN(ScreenSaverInterval, nextTimeout) :
+ ScreenSaverInterval;
+ }
- return 0;
+ return nextTimeout;
}
static OsTimerPtr ScreenSaverTimer = NULL;
@@ -737,93 +800,41 @@ FreeScreenSaverTimer(void)
void
SetScreenSaverTimer(void)
{
- if (ScreenSaverTime > 0) {
- ScreenSaverTimer = TimerSet(ScreenSaverTimer, 0, ScreenSaverTime,
- ScreenSaverTimeoutExpire, NULL);
- } else if (ScreenSaverTimer) {
- FreeScreenSaverTimer();
- }
-}
+ CARD32 timeout = 0;
#ifdef DPMSExtension
-
-static OsTimerPtr DPMSStandbyTimer = NULL;
-static OsTimerPtr DPMSSuspendTimer = NULL;
-static OsTimerPtr DPMSOffTimer = NULL;
-
-static CARD32
-DPMSStandbyTimerExpire(OsTimerPtr timer,CARD32 now,void * arg)
-{
- INT32 timeout = now - lastDeviceEventTime.milliseconds;
-
- if (timeout < DPMSStandbyTime) {
- return DPMSStandbyTime - timeout;
- }
- if (DPMSPowerLevel < DPMSModeStandby) {
- if (DPMSEnabled)
- DPMSSet(DPMSModeStandby);
- }
- return DPMSStandbyTime;
-}
-
-static CARD32
-DPMSSuspendTimerExpire(OsTimerPtr timer,CARD32 now,void * arg)
-{
- INT32 timeout = now - lastDeviceEventTime.milliseconds;
-
- if (timeout < DPMSSuspendTime) {
- return DPMSSuspendTime - timeout;
- }
- if (DPMSPowerLevel < DPMSModeSuspend) {
- if (DPMSEnabled)
- DPMSSet(DPMSModeSuspend);
- }
- return DPMSSuspendTime;
-}
-
-static CARD32
-DPMSOffTimerExpire(OsTimerPtr timer,CARD32 now,void * arg)
-{
- INT32 timeout = now - lastDeviceEventTime.milliseconds;
-
- if (timeout < DPMSOffTime) {
- return DPMSOffTime - timeout;
- }
- if (DPMSPowerLevel < DPMSModeOff) {
- if (DPMSEnabled)
- DPMSSet(DPMSModeOff);
+ if (DPMSEnabled)
+ {
+ /*
+ * A higher DPMS level has a timeout that's either less
+ * than or equal to that of a lower DPMS level.
+ */
+ if (DPMSStandbyTime > 0)
+ timeout = DPMSStandbyTime;
+
+ else if (DPMSSuspendTime > 0)
+ timeout = DPMSSuspendTime;
+
+ else if (DPMSOffTime > 0)
+ timeout = DPMSOffTime;
}
- return DPMSOffTime;
-}
+#endif
-void
-FreeDPMSTimers(void)
-{
- if (DPMSStandbyTimer) {
- TimerFree(DPMSStandbyTimer);
- DPMSStandbyTimer = NULL;
+ if (ScreenSaverTime > 0)
+ {
+ timeout = timeout > 0 ?
+ MIN(ScreenSaverTime, timeout) :
+ ScreenSaverTime;
}
- if (DPMSSuspendTimer) {
- TimerFree(DPMSSuspendTimer);
- DPMSSuspendTimer = NULL;
+#ifdef SCREENSAVER
+ if (timeout && !screenSaverSuspended) {
+#else
+ if (timeout) {
+#endif
+ ScreenSaverTimer = TimerSet(ScreenSaverTimer, 0, timeout,
+ ScreenSaverTimeoutExpire, NULL);
}
- if (DPMSOffTimer) {
- TimerFree(DPMSOffTimer);
- DPMSOffTimer = NULL;
+ else if (ScreenSaverTimer) {
+ FreeScreenSaverTimer();
}
}
-
-void
-SetDPMSTimers(void)
-{
- if (!DPMSEnabled)
- return;
-
- DPMSStandbyTimer = TimerSet(DPMSStandbyTimer, 0, DPMSStandbyTime,
- DPMSStandbyTimerExpire, NULL);
- DPMSSuspendTimer = TimerSet(DPMSSuspendTimer, 0, DPMSSuspendTime,
- DPMSSuspendTimerExpire, NULL);
- DPMSOffTimer = TimerSet(DPMSOffTimer, 0, DPMSOffTime,
- DPMSOffTimerExpire, NULL);
-}
-#endif