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/***************************************************************************
* Copyright (C) 2007 by Ken Werner *
* [email protected] *
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
* This program is distributed in the hope that it will be useful, *
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
* GNU General Public License for more details. *
* *
* You should have received a copy of the GNU General Public License *
* along with this program; if not, write to the *
* Free Software Foundation, Inc., *
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. *
***************************************************************************/
#include "nvidiathermalsrc.h"
#include <tqstringlist.h>
#include <tqregexp.h>
#include <klocale.h>
#include <kdebug.h>
#ifndef HAVE_NVCONTROL
#include <kprocio.h>
#else
#include <tqpaintdevice.h> // for the Device* pointer
// include the NVCtrl include stuff
#include <X11/Xlib.h>
#include <fixx11h.h> // needed for TQt, to include X11 header
extern "C" {
#include <NVCtrlLib.h>
}
#endif
#ifndef HAVE_NVCONTROL
NVidiaThermalSrc::NVidiaThermalSrc(TQWidget* inParent, const TQString& inID, const TQString& inName):
LabelSource(inParent), mProcess(0) {
#else
NVidiaThermalSrc::NVidiaThermalSrc(TQWidget* inParent, const TQString& inID, const TQString& inName, unsigned int attrib):
LabelSource(inParent), mAttrib(attrib) {
#endif
mID = inID;
mName = inName;
mDescription = i18n("This source is provided by the nVidia GPU card driver tools");
mRefreshTimer = new TQTimer(this, "default refresh handler" );
// connect the timer
connect(mRefreshTimer, TQT_SIGNAL(timeout()), this, TQT_SLOT(fetchValue()));
connect(this, TQT_SIGNAL(enabledChanged(bool, Source*)), this, TQT_SLOT(enable(bool)));
}
NVidiaThermalSrc::~NVidiaThermalSrc(){
#ifndef HAVE_NVCONTROL
delete mProcess;
#endif
}
std::list<Source*>NVidiaThermalSrc::createInstances(TQWidget* inParent){
std::list<Source*> list;
#ifndef HAVE_NVCONTROL
// see if the path contains nvidia-settings. if yes,
// execute it and look for the query type "GPUCoreTemp"
// and "GPUAmbientTemp" and create two instances for each
// of them
// start nvidia-settings, if available and wait for it to exit.
KProcIO proc;
proc << "nvidia-settings"
<< "-n" // don't load config
<< "-q" << "GPUCoreTemp"
<< "-q" << "GPUAmbientTemp";
if(!proc.start(KProcess::Block))
return list;
// now see what it printed...
TQString ln;
TQString pout;
while(proc.readln(ln) != -1)
pout+= ln + '\n';
if(pout.contains("Attribute 'GPUCoreTemp'"))
list.push_back(new NVidiaThermalSrc(inParent, "GPUCoreTemp", "NVidiaCore"));
if(pout.contains("Attribute 'GPUAmbientTemp'"))
list.push_back(new NVidiaThermalSrc(inParent, "GPUAmbientTemp", "NVidiaAmbient"));
#else
int evt_base = 0, err_base = 0, temp;
Display * dpy = TQPaintDevice::x11AppDisplay();
// do we have the XNVCtrl extension loaded?
if(!XNVCTRLQueryExtension(dpy, &evt_base, &err_base))
return list;
// core temp support?
if(XNVCTRLQueryAttribute (dpy, 0, 0,
NV_CTRL_GPU_CORE_TEMPERATURE, &temp)
)
list.push_back(new NVidiaThermalSrc(inParent, "GPUCoreTemp", "NVidiaCore",
NV_CTRL_GPU_CORE_TEMPERATURE));
// ambient temp support?
if(XNVCTRLQueryAttribute (dpy, 0, 0,
NV_CTRL_AMBIENT_TEMPERATURE, &temp)
)
list.push_back(new NVidiaThermalSrc(inParent, "GPUAmbientTemp", "NVidiaAmbient",
NV_CTRL_AMBIENT_TEMPERATURE));
#endif
return list;
}
void NVidiaThermalSrc::enable(bool inEnable){
if(inEnable && !mRefreshTimer->isActive()){ // start the timer
fetchValue();
mRefreshTimer->start(3000);
}else if(!inEnable && mRefreshTimer->isActive()) // stops the timer
mRefreshTimer->stop();
}
void NVidiaThermalSrc::evaluateStdout(){
#ifndef HAVE_NVCONTROL
TQString val = i18n("n/a");
// now see what it printed...
TQString ln;
TQString pout;
while(mProcess->readln(ln) != -1)
pout+= ln + '\n';
TQRegExp regexp("Attribute\\s'" + mID + "'.*(\\d+)\\.");
if(regexp.search(pout) != -1)
val = formatTemperature(regexp.cap(1));
mValue = val;
emit valueUpdated(mValue); // calls updateLabel(mValue) of LabelSource
// delete the object, to be ready for a new run
delete mProcess;
mProcess = 0;
#endif
}
#ifndef HAVE_NVCONTROL
void NVidiaThermalSrc::createProcess() {
mProcess = new KProcIO;
connect(mProcess, TQT_SIGNAL(processExited(KProcess*)), this, TQT_SLOT(evaluateStdout()));
*mProcess << "nvidia-settings" << "-n"
<< "-q" << mID;
}
#endif
TQString NVidiaThermalSrc::fetchValue(){
#ifndef HAVE_NVCONTROL
if(!mProcess) {
createProcess();
if(!mProcess->start()) {
mValue = "n/a";
delete mProcess;
mProcess = 0;
}
}
return getValue();
#else
int temp;
Display * dpy = TQPaintDevice::x11AppDisplay();
if(XNVCTRLQueryAttribute (dpy, 0, 0, mAttrib, &temp))
mValue = formatTemperature(TQString::number(temp));
else
mValue = "n/a";
emit valueUpdated(mValue); // calls updateLabel(mValue) of LabelSource
return mValue;
#endif
}
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