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274 lines
11 KiB
274 lines
11 KiB
/*
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* acpi.cpp
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*
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* Copyright (c) 1999, 2003 Paul Campbell <paul@taniwha.com>
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*
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* Requires the TQt widget libraries, available at no cost at
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* http://www.troll.no/
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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// my headers:
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#include "acpi.h"
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#include "version.h"
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#include "portable.h"
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#include <stdlib.h>
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#include <unistd.h>
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// other KDE headers:
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#include <klocale.h>
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#include <kconfig.h>
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#include <knuminput.h>
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#include <kiconloader.h>
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#include <kicondialog.h>
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#include <kapplication.h>
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#include <kmessagebox.h>
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#include <kstandarddirs.h>
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#include <kprocess.h>
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// other TQt headers:
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#include <tqlayout.h>
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#include <tqlabel.h>
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#include <tqcheckbox.h>
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#include <tqhbox.h>
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#include <tqvgroupbox.h>
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#include <tqhgroupbox.h>
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#include <tqgrid.h>
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#include <tqpushbutton.h>
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#include <tqtooltip.h>
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extern void wake_laptop_daemon();
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AcpiConfig::AcpiConfig (TQWidget * parent, const char *name)
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: KCModule(parent, name)
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{
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KGlobal::locale()->insertCatalogue("klaptopdaemon"); // For translation of klaptopdaemon messages
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config = new KConfig("kcmlaptoprc");
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TQVBoxLayout *top_layout = new TQVBoxLayout( this, KDialog::marginHint(),
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KDialog::spacingHint() );
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TQLabel *tmp_label = new TQLabel( i18n("This panel provides information about your system's ACPI implementation "
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"and lets you have access to some of the extra features provided by ACPI"), this );
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tmp_label->tqsetAlignment( TQt::WordBreak );
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top_layout->addWidget( tmp_label );
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tmp_label = new TQLabel( i18n("NOTE: the Linux ACPI implementation is still a 'work in progress'. "
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"Some features, in particular suspend and hibernate are not yet available "
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"under 2.4 - and under 2.5 some particular ACPI implementations are still "
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"unstable, these check boxes let you only enable the things that work reliably. "
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"You should test these features very gingerly - save all your work, check them "
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"on and try a suspend/standby/hibernate from the popup menu on the battery icon "
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"in the panel if it fails to come back successfully uncheck the box again."), this );
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tmp_label->tqsetAlignment( TQt::WordBreak );
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top_layout->addWidget( tmp_label );
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tmp_label = new TQLabel( i18n("Some changes made on this page may require you to quit the laptop panel "
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"and start it again to take effect"), this );
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tmp_label->tqsetAlignment( TQt::WordBreak );
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top_layout->addWidget( tmp_label );
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bool can_enable = laptop_portable::has_acpi(1); // is helper ready
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enableStandby = new TQCheckBox( i18n("Enable standby"), this );
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top_layout->addWidget( enableStandby );
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TQToolTip::add( enableStandby, i18n( "If checked this box enables transitions to the 'standby' state - a temporary powered down state" ) );
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enableStandby->setEnabled(can_enable);
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connect( enableStandby, TQT_SIGNAL(clicked()), this, TQT_SLOT(configChanged()) );
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enableSuspend = new TQCheckBox( i18n("Enable &suspend"), this );
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top_layout->addWidget( enableSuspend );
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TQToolTip::add( enableSuspend, i18n( "If checked this box enables transitions to the 'suspend' state - a semi-powered down state, sometimes called 'suspend-to-ram'" ) );
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enableSuspend->setEnabled(can_enable);
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connect( enableSuspend, TQT_SIGNAL(clicked()), this, TQT_SLOT(configChanged()) );
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TQHBoxLayout *ll = new TQHBoxLayout();
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enableHibernate = new TQCheckBox( i18n("Enable &hibernate"), this );
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ll->addWidget( enableHibernate );
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TQToolTip::add( enableHibernate, i18n( "If checked this box enables transitions to the 'hibernate' state - a powered down state, sometimes called 'suspend-to-disk'" ) );
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enableHibernate->setEnabled(can_enable);
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connect( enableHibernate, TQT_SIGNAL(clicked()), this, TQT_SLOT(configChanged()) );
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if (laptop_portable::has_software_suspend()) {
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ll->addStretch(1);
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enableSoftwareSuspendHibernate = new TQCheckBox( i18n("Use software suspend for hibernate"), this );
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ll->addWidget( enableSoftwareSuspendHibernate );
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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" ) );
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enableSoftwareSuspendHibernate->setEnabled(laptop_portable::has_software_suspend(2));
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connect( enableSoftwareSuspendHibernate, TQT_SIGNAL(clicked()), this, TQT_SLOT(configChanged()) );
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} else {
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enableSoftwareSuspendHibernate = 0;
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}
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ll->addStretch(10);
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top_layout->addLayout(ll);
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enablePerformance = new TQCheckBox( i18n("Enable &performance profiles"), this );
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top_layout->addWidget( enablePerformance );
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TQToolTip::add( enablePerformance, i18n( "If checked this box enables access to ACPI performance profiles - usually OK in 2.4 and later" ) );
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enablePerformance->setEnabled(can_enable);
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connect( enablePerformance, TQT_SIGNAL(clicked()), this, TQT_SLOT(configChanged()) );
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enableThrottle = new TQCheckBox( i18n("Enable &CPU throttling"), this );
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top_layout->addWidget( enableThrottle );
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TQToolTip::add( enableThrottle, i18n( "If checked this box enables access to ACPI throttle speed changes - usually OK in 2.4 and later" ) );
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enableThrottle->setEnabled(can_enable);
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connect( enableThrottle, TQT_SIGNAL(clicked()), this, TQT_SLOT(configChanged()) );
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tmp_label = new TQLabel(i18n("If the above boxes are disabled then there is no 'helper' "
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"application set up to help change ACPI states, there are two "
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"ways you can enable this application, either make the file "
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"/proc/acpi/sleep writeable by anyone every time your system boots "
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"or use the button below to make the KDE ACPI helper application "
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"set-uid root"), this );
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tmp_label->tqsetAlignment( TQt::WordBreak );
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top_layout->addWidget( tmp_label );
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ll = new TQHBoxLayout();
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TQPushButton *setupButton = new TQPushButton(i18n("Setup Helper Application"), this);
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connect( setupButton, TQT_SIGNAL(clicked()), this, TQT_SLOT(setupHelper()) );
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TQToolTip::add( setupButton, i18n( "This button can be used to enable the ACPI helper application" ) );
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ll->addStretch(2);
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ll->addWidget(setupButton);
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ll->addStretch(8);
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top_layout->addLayout(ll);
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top_layout->addStretch(1);
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top_layout->addWidget( new TQLabel( i18n("Version: %1").tqarg(LAPTOP_VERSION), this), 0, TQt::AlignRight );
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load();
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}
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AcpiConfig::~AcpiConfig()
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{
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delete config;
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}
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#include "checkcrc.h"
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#include "crcresult.h"
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#include <tqfile.h>
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void AcpiConfig::setupHelper()
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{
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unsigned long len, crc;
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TQString helper = KStandardDirs::findExe("klaptop_acpi_helper");
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checkcrc(TQFile::encodeName(helper), len, crc);
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TQString tdesu = KStandardDirs::findExe("tdesu");
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if (!tdesu.isEmpty()) {
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int rc = KMessageBox::warningContinueCancel(0,
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i18n("You will need to supply a root password "
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"to allow the privileges of the klaptop_acpi_helper to change."),
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i18n("KLaptopDaemon"), KStdGuiItem::cont(),
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"");
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if (rc == KMessageBox::Continue) {
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KProcess proc;
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proc << tdesu;
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proc << "-u";
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proc << "root";
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proc << "dpkg-statoverride --update --add root root 6755 "+helper;
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proc.start(KProcess::Block); // run it sync so has_acpi below sees the results
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}
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} else {
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KMessageBox::sorry(0, i18n("The ACPI helper cannot be enabled because tdesu cannot be found. Please make sure that it is installed correctly."),
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i18n("KLaptopDaemon"));
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}
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laptop_portable::acpi_set_mask(enablestandby, enablesuspend, enablehibernate, enableperformance, enablethrottle);
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bool can_enable = laptop_portable::has_acpi(1); // is helper ready
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enableStandby->setEnabled(can_enable);
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enableSuspend->setEnabled(can_enable);
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enableHibernate->setEnabled(can_enable);
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enablePerformance->setEnabled(can_enable);
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enableThrottle->setEnabled(can_enable);
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if (enableSoftwareSuspendHibernate)
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enableSoftwareSuspendHibernate->setEnabled(laptop_portable::has_software_suspend(2));
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wake_laptop_daemon();
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}
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void AcpiConfig::save()
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{
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enablestandby = enableStandby->isChecked();
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enablesuspend = enableSuspend->isChecked();
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enablehibernate = enableHibernate->isChecked();
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enablesoftwaresuspend = (enableSoftwareSuspendHibernate?enableSoftwareSuspendHibernate->isChecked():0);
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enableperformance = enablePerformance->isChecked();
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enablethrottle = enableThrottle->isChecked();
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laptop_portable::acpi_set_mask(enablestandby, enablesuspend, enablehibernate, enableperformance, enablethrottle);
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config->setGroup("AcpiDefault");
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config->writeEntry("EnableStandby", enablestandby);
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config->writeEntry("EnableSuspend", enablesuspend);
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config->writeEntry("EnableHibernate", enablehibernate);
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config->writeEntry("EnableThrottle", enablethrottle);
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config->writeEntry("EnablePerformance", enableperformance);
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config->setGroup("SoftwareSuspendDefault");
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config->writeEntry("EnableHibernate", enablesoftwaresuspend);
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config->sync();
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changed(false);
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wake_laptop_daemon();
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}
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void AcpiConfig::load()
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{
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load( false );
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}
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void AcpiConfig::load(bool useDefaults)
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{
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config->setReadDefaults( useDefaults );
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config->setGroup("AcpiDefault");
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enablestandby = config->readBoolEntry("EnableStandby", false);
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enableStandby->setChecked(enablestandby);
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enablesuspend = config->readBoolEntry("EnableSuspend", false);
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enableSuspend->setChecked(enablesuspend);
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enablehibernate = config->readBoolEntry("EnableHibernate", false);
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enableHibernate->setChecked(enablehibernate);
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enableperformance = config->readBoolEntry("EnablePerformance", false);
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enablePerformance->setChecked(enableperformance);
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enablethrottle = config->readBoolEntry("EnableThrottle", false);
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enableThrottle->setChecked(enablethrottle);
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config->setGroup("SoftwareSuspendDefault");
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enablesoftwaresuspend = config->readBoolEntry("EnableHibernate", false);
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if (enableSoftwareSuspendHibernate)
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enableSoftwareSuspendHibernate->setChecked(enablesoftwaresuspend);
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emit changed(useDefaults);
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}
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void AcpiConfig::defaults()
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{
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load( true );
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}
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void AcpiConfig::configChanged()
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{
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emit changed(true);
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}
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TQString AcpiConfig::quickHelp() const
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{
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return i18n("<h1>ACPI Setup</h1>This module allows you to configure ACPI for your system");
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}
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#include "acpi.moc"
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