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+/*
+ * acpi.cpp
+ *
+ * Copyright (c) 1999, 2003 Paul Campbell <paul@taniwha.com>
+ *
+ * Requires the Qt 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 <kconfig.h>
+#include <knuminput.h>
+#include <kiconloader.h>
+#include <kicondialog.h>
+#include <kapplication.h>
+#include <kmessagebox.h>
+#include <kstandarddirs.h>
+#include <kprocess.h>
+
+// other Qt headers:
+#include <qlayout.h>
+#include <qlabel.h>
+#include <qcheckbox.h>
+#include <qhbox.h>
+#include <qvgroupbox.h>
+#include <qhgroupbox.h>
+#include <qgrid.h>
+#include <qpushbutton.h>
+#include <qtooltip.h>
+extern void wake_laptop_daemon();
+
+AcpiConfig::AcpiConfig (QWidget * parent, const char *name)
+ : KCModule(parent, name)
+{
+ KGlobal::locale()->insertCatalogue("klaptopdaemon"); // For translation of klaptopdaemon messages
+
+ config = new KConfig("kcmlaptoprc");
+
+ QVBoxLayout *top_layout = new QVBoxLayout( this, KDialog::marginHint(),
+ KDialog::spacingHint() );
+
+ QLabel *tmp_label = new QLabel( 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( Qt::WordBreak );
+ top_layout->addWidget( tmp_label );
+
+ tmp_label = new QLabel( 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( Qt::WordBreak );
+ top_layout->addWidget( tmp_label );
+
+ tmp_label = new QLabel( 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( Qt::WordBreak );
+ top_layout->addWidget( tmp_label );
+
+ bool can_enable = laptop_portable::has_acpi(1); // is helper ready
+ enableStandby = new QCheckBox( i18n("Enable standby"), this );
+ top_layout->addWidget( enableStandby );
+ QToolTip::add( enableStandby, i18n( "If checked this box enables transitions to the 'standby' state - a temporary powered down state" ) );
+ enableStandby->setEnabled(can_enable);
+ connect( enableStandby, SIGNAL(clicked()), this, SLOT(configChanged()) );
+
+ enableSuspend = new QCheckBox( i18n("Enable &suspend"), this );
+ top_layout->addWidget( enableSuspend );
+ QToolTip::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, SIGNAL(clicked()), this, SLOT(configChanged()) );
+
+ QHBoxLayout *ll = new QHBoxLayout();
+ enableHibernate = new QCheckBox( i18n("Enable &hibernate"), this );
+ ll->addWidget( enableHibernate );
+ QToolTip::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, SIGNAL(clicked()), this, SLOT(configChanged()) );
+ if (laptop_portable::has_software_suspend()) {
+ ll->addStretch(1);
+ enableSoftwareSuspendHibernate = new QCheckBox( i18n("Use software suspend for hibernate"), this );
+ ll->addWidget( enableSoftwareSuspendHibernate );
+ QToolTip::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, SIGNAL(clicked()), this, SLOT(configChanged()) );
+ } else {
+ enableSoftwareSuspendHibernate = 0;
+ }
+ ll->addStretch(10);
+
+ top_layout->addLayout(ll);
+
+ enablePerformance = new QCheckBox( i18n("Enable &performance profiles"), this );
+ top_layout->addWidget( enablePerformance );
+ QToolTip::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, SIGNAL(clicked()), this, SLOT(configChanged()) );
+
+ enableThrottle = new QCheckBox( i18n("Enable &CPU throttling"), this );
+ top_layout->addWidget( enableThrottle );
+ QToolTip::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, SIGNAL(clicked()), this, SLOT(configChanged()) );
+
+ tmp_label = new QLabel(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( Qt::WordBreak );
+ top_layout->addWidget( tmp_label );
+ ll = new QHBoxLayout();
+ QPushButton *setupButton = new QPushButton(i18n("Setup Helper Application"), this);
+ connect( setupButton, SIGNAL(clicked()), this, SLOT(setupHelper()) );
+ QToolTip::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 QLabel( i18n("Version: %1").arg(LAPTOP_VERSION), this), 0, Qt::AlignRight );
+
+
+ load();
+}
+
+AcpiConfig::~AcpiConfig()
+{
+ delete config;
+}
+
+#include "checkcrc.h"
+#include "crcresult.h"
+#include <qfile.h>
+
+void AcpiConfig::setupHelper()
+{
+ unsigned long len, crc;
+ QString helper = KStandardDirs::findExe("klaptop_acpi_helper");
+ checkcrc(QFile::encodeName(helper), len, crc);
+ if (len != file_len || crc != file_crc) {
+ QString str(i18n("The %1 application does not seem to have "
+ "the same size or checksum as when it was compiled we do NOT recommend "
+ "you proceed with making it setuid-root without further investigation").arg(helper));
+ int rc = KMessageBox::warningContinueCancel(0, str, i18n("KLaptopDaemon"), i18n("Run Nevertheless"));
+ if (rc != KMessageBox::Continue)
+ return;
+ }
+
+ QString kdesu = KStandardDirs::findExe("kdesu");
+ if (!kdesu.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) {
+ KProcess proc;
+ proc << kdesu;
+ proc << "-u";
+ proc << "root";
+ proc << "chown root "+helper+"; chmod +s "+helper;
+ proc.start(KProcess::Block); // run it sync so has_acpi below sees the results
+ }
+ } else {
+ KMessageBox::sorry(0, i18n("The ACPI helper cannot be enabled because kdesu 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);
+}
+
+
+QString AcpiConfig::quickHelp() const
+{
+ return i18n("<h1>ACPI Setup</h1>This module allows you to configure ACPI for your system");
+}
+
+#include "acpi.moc"
+
+