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tdeutils/klaptopdaemon/acpi.cpp

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/*
* acpi.cpp
*
* Copyright (c) 1999, 2003 Paul Campbell <paul@taniwha.com>
*
* Requires the TQt widget libraries, available at no cost at
* http://www.troll.no/
*
* 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.
*/
// my headers:
#include "acpi.h"
#include "version.h"
#include "portable.h"
#include <stdlib.h>
#include <unistd.h>
// other KDE headers:
#include <klocale.h>
#include <tdeconfig.h>
#include <knuminput.h>
#include <kiconloader.h>
#include <kicondialog.h>
#include <kapplication.h>
#include <kmessagebox.h>
#include <kstandarddirs.h>
#include <kprocess.h>
// other TQt headers:
#include <tqlayout.h>
#include <tqlabel.h>
#include <tqcheckbox.h>
#include <tqhbox.h>
#include <tqvgroupbox.h>
#include <tqhgroupbox.h>
#include <tqgrid.h>
#include <tqpushbutton.h>
#include <tqtooltip.h>
extern void wake_laptop_daemon();
AcpiConfig::AcpiConfig (TQWidget * parent, const char *name)
: TDECModule(parent, name)
{
TDEGlobal::locale()->insertCatalogue("klaptopdaemon"); // For translation of klaptopdaemon messages
config = new TDEConfig("kcmlaptoprc");
TQVBoxLayout *top_layout = new TQVBoxLayout( this, KDialog::marginHint(),
KDialog::spacingHint() );
TQLabel *tmp_label = new TQLabel( i18n("This panel provides information about your system's ACPI implementation "
"and lets you have access to some of the extra features provided by ACPI"), this );
tmp_label->setAlignment( TQt::WordBreak );
top_layout->addWidget( tmp_label );
tmp_label = new TQLabel( i18n("NOTE: the Linux ACPI implementation is still a 'work in progress'. "
"Some features, in particular suspend and hibernate are not yet available "
"under 2.4 - and under 2.5 some particular ACPI implementations are still "
"unstable, these check boxes let you only enable the things that work reliably. "
"You should test these features very gingerly - save all your work, check them "
"on and try a suspend/standby/hibernate from the popup menu on the battery icon "
"in the panel if it fails to come back successfully uncheck the box again."), this );
tmp_label->setAlignment( TQt::WordBreak );
top_layout->addWidget( tmp_label );
tmp_label = new TQLabel( i18n("Some changes made on this page may require you to quit the laptop panel "
"and start it again to take effect"), this );
tmp_label->setAlignment( TQt::WordBreak );
top_layout->addWidget( tmp_label );
bool can_enable = laptop_portable::has_acpi(1); // is helper ready
enableStandby = new TQCheckBox( i18n("Enable standby"), this );
top_layout->addWidget( enableStandby );
TQToolTip::add( enableStandby, i18n( "If checked this box enables transitions to the 'standby' state - a temporary powered down state" ) );
enableStandby->setEnabled(can_enable);
connect( enableStandby, TQT_SIGNAL(clicked()), this, TQT_SLOT(configChanged()) );
enableSuspend = new TQCheckBox( i18n("Enable &suspend"), this );
top_layout->addWidget( enableSuspend );
TQToolTip::add( enableSuspend, i18n( "If checked this box enables transitions to the 'suspend' state - a semi-powered down state, sometimes called 'suspend-to-ram'" ) );
enableSuspend->setEnabled(can_enable);
connect( enableSuspend, TQT_SIGNAL(clicked()), this, TQT_SLOT(configChanged()) );
TQHBoxLayout *ll = new TQHBoxLayout();
enableHibernate = new TQCheckBox( i18n("Enable &hibernate"), this );
ll->addWidget( enableHibernate );
TQToolTip::add( enableHibernate, i18n( "If checked this box enables transitions to the 'hibernate' state - a powered down state, sometimes called 'suspend-to-disk'" ) );
enableHibernate->setEnabled(can_enable);
connect( enableHibernate, TQT_SIGNAL(clicked()), this, TQT_SLOT(configChanged()) );
if (laptop_portable::has_software_suspend()) {
ll->addStretch(1);
enableSoftwareSuspendHibernate = new TQCheckBox( i18n("Use software suspend for hibernate"), this );
ll->addWidget( enableSoftwareSuspendHibernate );
TQToolTip::add( enableSoftwareSuspendHibernate, i18n( "If checked this box enables transitions to the 'hibernate' state - a powered down state, sometimes called 'suspend-to-disk' - the kernel 'Software Suspend' mechanism will be used instead of using ACPI directly" ) );
enableSoftwareSuspendHibernate->setEnabled(laptop_portable::has_software_suspend(2));
connect( enableSoftwareSuspendHibernate, TQT_SIGNAL(clicked()), this, TQT_SLOT(configChanged()) );
} else {
enableSoftwareSuspendHibernate = 0;
}
ll->addStretch(10);
top_layout->addLayout(ll);
enablePerformance = new TQCheckBox( i18n("Enable &performance profiles"), this );
top_layout->addWidget( enablePerformance );
TQToolTip::add( enablePerformance, i18n( "If checked this box enables access to ACPI performance profiles - usually OK in 2.4 and later" ) );
enablePerformance->setEnabled(can_enable);
connect( enablePerformance, TQT_SIGNAL(clicked()), this, TQT_SLOT(configChanged()) );
enableThrottle = new TQCheckBox( i18n("Enable &CPU throttling"), this );
top_layout->addWidget( enableThrottle );
TQToolTip::add( enableThrottle, i18n( "If checked this box enables access to ACPI throttle speed changes - usually OK in 2.4 and later" ) );
enableThrottle->setEnabled(can_enable);
connect( enableThrottle, TQT_SIGNAL(clicked()), this, TQT_SLOT(configChanged()) );
tmp_label = new TQLabel(i18n("If the above boxes are disabled then there is no 'helper' "
"application set up to help change ACPI states, there are two "
"ways you can enable this application, either make the file "
"/proc/acpi/sleep writeable by anyone every time your system boots "
"or use the button below to make the KDE ACPI helper application "
"set-uid root"), this );
tmp_label->setAlignment( TQt::WordBreak );
top_layout->addWidget( tmp_label );
ll = new TQHBoxLayout();
TQPushButton *setupButton = new TQPushButton(i18n("Setup Helper Application"), this);
connect( setupButton, TQT_SIGNAL(clicked()), this, TQT_SLOT(setupHelper()) );
TQToolTip::add( setupButton, i18n( "This button can be used to enable the ACPI helper application" ) );
ll->addStretch(2);
ll->addWidget(setupButton);
ll->addStretch(8);
top_layout->addLayout(ll);
top_layout->addStretch(1);
top_layout->addWidget( new TQLabel( i18n("Version: %1").arg(LAPTOP_VERSION), this), 0, TQt::AlignRight );
load();
}
AcpiConfig::~AcpiConfig()
{
delete config;
}
#include "checkcrc.h"
#include "crcresult.h"
#include <tqfile.h>
void AcpiConfig::setupHelper()
{
unsigned long len, crc;
TQString helper = KStandardDirs::findExe("klaptop_acpi_helper");
checkcrc(TQFile::encodeName(helper), len, crc);
TQString tdesu = KStandardDirs::findExe("tdesu");
if (!tdesu.isEmpty()) {
int rc = KMessageBox::warningContinueCancel(0,
i18n("You will need to supply a root password "
"to allow the privileges of the klaptop_acpi_helper to change."),
i18n("KLaptopDaemon"), KStdGuiItem::cont(),
"");
if (rc == KMessageBox::Continue) {
TDEProcess proc;
proc << tdesu;
proc << "-u";
proc << "root";
proc << "chown root "+helper+"; chmod +s "+helper;
proc.start(TDEProcess::Block); // run it sync so has_acpi below sees the results
}
} else {
KMessageBox::sorry(0, i18n("The ACPI helper cannot be enabled because tdesu cannot be found. Please make sure that it is installed correctly."),
i18n("KLaptopDaemon"));
}
laptop_portable::acpi_set_mask(enablestandby, enablesuspend, enablehibernate, enableperformance, enablethrottle);
bool can_enable = laptop_portable::has_acpi(1); // is helper ready
enableStandby->setEnabled(can_enable);
enableSuspend->setEnabled(can_enable);
enableHibernate->setEnabled(can_enable);
enablePerformance->setEnabled(can_enable);
enableThrottle->setEnabled(can_enable);
if (enableSoftwareSuspendHibernate)
enableSoftwareSuspendHibernate->setEnabled(laptop_portable::has_software_suspend(2));
wake_laptop_daemon();
}
void AcpiConfig::save()
{
enablestandby = enableStandby->isChecked();
enablesuspend = enableSuspend->isChecked();
enablehibernate = enableHibernate->isChecked();
enablesoftwaresuspend = (enableSoftwareSuspendHibernate?enableSoftwareSuspendHibernate->isChecked():0);
enableperformance = enablePerformance->isChecked();
enablethrottle = enableThrottle->isChecked();
laptop_portable::acpi_set_mask(enablestandby, enablesuspend, enablehibernate, enableperformance, enablethrottle);
config->setGroup("AcpiDefault");
config->writeEntry("EnableStandby", enablestandby);
config->writeEntry("EnableSuspend", enablesuspend);
config->writeEntry("EnableHibernate", enablehibernate);
config->writeEntry("EnableThrottle", enablethrottle);
config->writeEntry("EnablePerformance", enableperformance);
config->setGroup("SoftwareSuspendDefault");
config->writeEntry("EnableHibernate", enablesoftwaresuspend);
config->sync();
changed(false);
wake_laptop_daemon();
}
void AcpiConfig::load()
{
load( false );
}
void AcpiConfig::load(bool useDefaults)
{
config->setReadDefaults( useDefaults );
config->setGroup("AcpiDefault");
enablestandby = config->readBoolEntry("EnableStandby", false);
enableStandby->setChecked(enablestandby);
enablesuspend = config->readBoolEntry("EnableSuspend", false);
enableSuspend->setChecked(enablesuspend);
enablehibernate = config->readBoolEntry("EnableHibernate", false);
enableHibernate->setChecked(enablehibernate);
enableperformance = config->readBoolEntry("EnablePerformance", false);
enablePerformance->setChecked(enableperformance);
enablethrottle = config->readBoolEntry("EnableThrottle", false);
enableThrottle->setChecked(enablethrottle);
config->setGroup("SoftwareSuspendDefault");
enablesoftwaresuspend = config->readBoolEntry("EnableHibernate", false);
if (enableSoftwareSuspendHibernate)
enableSoftwareSuspendHibernate->setChecked(enablesoftwaresuspend);
emit changed(useDefaults);
}
void AcpiConfig::defaults()
{
load( true );
}
void AcpiConfig::configChanged()
{
emit changed(true);
}
TQString AcpiConfig::quickHelp() const
{
return i18n("<h1>ACPI Setup</h1>This module allows you to configure ACPI for your system");
}
#include "acpi.moc"