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tdeutils/kmilo/asus/asus.cpp

214 lines
5.1 KiB

/*
This file is part of the KDE project
Copyright (c) 2004 Chris Howells <howells@kde.org>
Much code and ideas stolen from Jonathan Riddell's ThinkPad plugin
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation; version
2 of the License.
This library 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
Library General Public License for more details.
You should have received a copy of the GNU Library General Public License
along with this library; see the file COPYING.LIB. If not, write to
the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA.
*/
#include <kgenericfactory.h>
#include <kconfig.h>
#include <krun.h>
#include <kurl.h>
#include <qfile.h>
#include <qdir.h>
#include "kmilointerface.h"
#include "asus.h"
#ifdef Q_OS_FREEBSD
#include <sys/types.h>
#include <sys/sysctl.h>
#endif
#define ROUND(x) (int(x + 0.5))
namespace KMilo {
AsusMonitor::AsusMonitor(QObject* parent, const char* name, const QStringList& args): Monitor(parent, name, args)
{
}
AsusMonitor::~AsusMonitor()
{
}
bool AsusMonitor::init()
{
kdDebug() << "loading asus kmilo plugin" << endl;
#ifdef Q_OS_FREEBSD
/*
* Check if the sysctls are in place by looking up their MIBs.
* Caching the MIBs results in a major speedup.
*/
size_t len = 4;
if ( sysctlnametomib("hw.acpi.asus.lcd_brightness", brightness_mib, &len) == -1 ||
sysctlnametomib("hw.acpi.asus.lcd_backlight", backlight_mib, &len) == -1 ||
sysctlnametomib("hw.acpi.asus.video_output", video_mib, &len) == -1 )
{
kdDebug() << "The driver's sysctls don't seem to exist, check that the acpi_asus module is loaded" << endl;
return false;
}
#else
// we need to read the /proc file system and store the current values into a struct
QDir dir("/proc/acpi/asus");
if (!dir.exists())
{
kdDebug() << "/proc/acpi/asus doesn't exist, check that the asus_acpi module is loaded" << endl;
return false;
}
#endif
else
{
clearStruct(asus_state);
clearStruct(last_asus_state);
if (!readProc(&asus_state))
{
return false;
}
}
return true;
}
Monitor::DisplayType AsusMonitor::poll()
{
// save last state and get new one
memcpy(&last_asus_state, &asus_state, sizeof(asus_state_struct));
readProc(&asus_state);
Monitor::DisplayType pollResult = None;
if (last_asus_state.brightness != asus_state.brightness)
{
pollResult = Brightness;
float value = (float)asus_state.brightness / 15;
m_progress = ROUND(value * 100);
}
/*if (last_asus_state.lcd != asus_state.lcd)
{
if (asus_state.lcd == 0)
{
_interface->displayText(i18n("Display changed: LCD off"));
}
else
{
_interface->displayText(i18n("Display changed: LCD on"));
}
}*/
if (last_asus_state.display != asus_state.display)
{
switch (asus_state.display)
{
case 0:
_interface->displayText(i18n("Display changed: off"));
break;
case 1:
_interface->displayText(i18n("Display changed: LCD on"));
break;
case 2:
_interface->displayText(i18n("Display changed: CRT on"));
break;
case 3:
_interface->displayText(i18n("Display changed: LCD and CRT on"));
break;
case 4:
_interface->displayText(i18n("Display changed: TV out on"));
break;
case 5:
_interface->displayText(i18n("Display changed: LCD and TV out on"));
break;
case 6:
_interface->displayText(i18n("Display changed: CRT and TV out on"));
break;
case 7:
_interface->displayText(i18n("Display changed: LCD, CRT and TV out on"));
break;
}
}
return pollResult;
}
int AsusMonitor::progress() const
{
return m_progress;
}
bool AsusMonitor::readProc(asus_state_struct* asus_state)
{
#ifdef Q_OS_FREEBSD
int value;
size_t value_len = sizeof(value);
if ( sysctl(brightness_mib, 4, &value, &value_len, NULL, 0) != -1 )
asus_state->brightness = value;
if ( sysctl(backlight_mib, 4, &value, &value_len, NULL, 0) != -1 )
asus_state->lcd = value;
if ( sysctl(video_mib, 4, &value, &value_len, NULL, 0) != -1 )
asus_state->display = value;
#else
asus_state->brightness = readProcEntry(QString("brn"));
//asus_state->lcd = readProcEntry(QString("lcd"));
//disabled because it does not yet work on my S5200N (asus_acpi bug)
//asus_state->display = readProcEntry(QString("disp"));
//FIXME
#endif
return true;
}
int AsusMonitor::readProcEntry(const QString &name)
{
QFile f(QString("/proc/acpi/asus/%1").arg(name).local8Bit());
if (f.open(IO_ReadOnly))
{
QString line;
if (f.readLine(line, 1024) > 0)
{
line = line.stripWhiteSpace();
int value = line.section(' ', 0, 0).toInt();
if (value > 0)
{
return value;
}
}
}
return 0;
}
void AsusMonitor::clearStruct(asus_state_struct& asus_state)
{
asus_state.brightness = 0;
asus_state.lcd = 0;
asus_state.display = 0;
}
}
K_EXPORT_COMPONENT_FACTORY(kmilo_asus, KGenericFactory<KMilo::AsusMonitor>("kmilo_asus"))