klaptopdaemon

apm.cpp

00001 /*
00002  * battery.cpp
00003  *
00004  * Copyright (c) 1999 Paul Campbell <paul@taniwha.com>
00005  * Copyright (c) 2002 Marc Mutz <mutz@kde.org>
00006  *
00007  * Requires the Qt widget libraries, available at no cost at
00008  * http://www.troll.no/
00009  *
00010  *  This program is free software; you can redistribute it and/or modify
00011  *  it under the terms of the GNU General Public License as published by
00012  *  the Free Software Foundation; either version 2 of the License, or
00013  *  (at your option) any later version.
00014  *
00015  *  This program is distributed in the hope that it will be useful,
00016  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
00017  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00018  *  GNU General Public License for more details.
00019  *
00020  *  You should have received a copy of the GNU General Public License
00021  *  along with this program; if not, write to the Free Software
00022  *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
00023  */
00024 
00025 // my headers:
00026 #include "apm.h"
00027 #include "version.h"
00028 #include "portable.h"
00029 #include <stdlib.h>
00030 #include <unistd.h>
00031 
00032 // other KDE headers:
00033 #include <klocale.h>
00034 #include <kconfig.h>
00035 #include <knuminput.h>
00036 #include <kiconloader.h>
00037 #include <kicondialog.h>
00038 #include <kapplication.h>
00039 #include <kmessagebox.h>
00040 #include <kstandarddirs.h>
00041 #include <kprocess.h>
00042 
00043 // other Qt headers:
00044 #include <QLayout>
00045 #include <QLabel>
00046 #include <QCheckBox>
00047 #include <q3hbox.h>
00048 
00049 #include <q3grid.h>
00050 #include <QPushButton>
00051 
00052 //Added by qt3to4:
00053 #include <QVBoxLayout>
00054 #include <QHBoxLayout>
00055 extern void wake_laptop_daemon();
00056 
00057 ApmConfig::ApmConfig (const KComponentData &inst,QWidget * parent)
00058   : KCModule(inst,parent)
00059 {
00060     KGlobal::locale()->insertCatalog("klaptopdaemon"); // For translation of klaptopdaemon messages
00061 
00062     config =  new KConfig("kcmlaptoprc");
00063 
00064     QVBoxLayout *top_layout = new QVBoxLayout( this );
00065     top_layout->setMargin( KDialog::marginHint() );
00066     top_layout->setSpacing( KDialog::spacingHint() );
00067 
00068     QLabel *tmp_label = new QLabel( i18n("This panel lets you configure your APM system and lets "
00069                     "you have access to some of the extra features provided by it"), this );
00070     tmp_label->setWordWrap(true);
00071     top_layout->addWidget( tmp_label );
00072 
00073     tmp_label = new QLabel( i18n("NOTE: some APM implementations have buggy suspend/standby "
00074                 "implementations. You should test these features very gingerly - save "
00075                 "all your work, check them on and try a suspend/standby from "
00076                 "the popup menu on the battery icon in the panel if it fails to come "
00077                 "back successfully uncheck the box again."), this );
00078     tmp_label->setWordWrap(true);
00079     top_layout->addWidget( tmp_label );
00080 
00081     tmp_label = new QLabel( i18n("Some changes made on this page may require you to quit the laptop panel "
00082                 "and start it again to take effect"), this );
00083     tmp_label->setWordWrap(true);
00084     top_layout->addWidget( tmp_label );
00085 
00086     bool can_enable = laptop_portable::has_apm(1);  // is helper ready
00087     enableStandby = new QCheckBox( i18n("Enable standby"), this );
00088     top_layout->addWidget( enableStandby );
00089     enableStandby->setToolTip( i18n( "If checked this box enables transitions to the 'standby' state - a temporary powered down state" ) );
00090     enableStandby->setEnabled(can_enable);
00091     connect( enableStandby, SIGNAL(clicked()), this, SLOT(configChanged()) );
00092 
00093     enableSuspend = new QCheckBox( i18n("Enable &suspend"), this );
00094     top_layout->addWidget( enableSuspend );
00095     enableSuspend->setToolTip( i18n( "If checked this box enables transitions to the 'suspend' state - a semi-powered down state, sometimes called 'suspend-to-ram'" ) );
00096     enableSuspend->setEnabled(can_enable);
00097     connect( enableSuspend, SIGNAL(clicked()), this, SLOT(configChanged()) );
00098     apm_name = "/usr/bin/apm";
00099     if (::access(apm_name, F_OK) != 0 && ::access("/usr/sbin/apm", F_OK) == 0)
00100         apm_name = "/usr/sbin/apm";
00101 
00102     tmp_label = new QLabel(i18n("If the above boxes are disabled then there is no 'helper' "
00103                 "application set up to help change APM states, there are two "
00104                 "ways you can enable this application, either make the file "
00105                 "/proc/apm writeable by anyone every time your system boots "
00106                 "or use the button below to make the %1 application "
00107                 "set-uid root", apm_name), this );
00108     tmp_label->setWordWrap(true);
00109     top_layout->addWidget( tmp_label );
00110     QHBoxLayout *ll = new QHBoxLayout();
00111     top_layout->addItem( ll );
00112     QPushButton *setupButton = new QPushButton(i18n("Setup Helper Application"), this);
00113     connect( setupButton, SIGNAL(clicked()), this, SLOT(setupHelper()) );
00114     setupButton->setToolTip( i18n( "This button can be used to enable the APM helper application" ) );
00115     ll->addStretch(2);
00116     ll->addWidget(setupButton);
00117     ll->addStretch(8);
00118     if (laptop_portable::has_software_suspend()) {
00119     tmp_label = new QLabel( i18n("Your system seems to have 'Software Suspend' installed, this can "
00120                 "be used to hibernate or 'suspend to disk' your system if you want "
00121                 "to use this for hibernation check the box below"), this );
00122     tmp_label->setWordWrap(true);
00123     top_layout->addWidget( tmp_label );
00124         enableSoftwareSuspendHibernate = new QCheckBox( i18n("Enable software suspend for hibernate"), this );
00125         top_layout->addWidget( enableSoftwareSuspendHibernate );
00126         enableSoftwareSuspendHibernate->setToolTip( i18n( "If checked this box enables transitions to the 'hibernate' state using the 'Software Suspend' mechanism" ) );
00127         enableSoftwareSuspendHibernate->setEnabled(laptop_portable::has_software_suspend(2));
00128         connect( enableSoftwareSuspendHibernate, SIGNAL(clicked()), this, SLOT(configChanged()) );
00129     tmp_label = new QLabel( i18n("If the above box is disabled then you need to be logged in "
00130                 "as root or need a helper application to invoke the Software "
00131                 "Suspend utility - KDE provides a utility to do this, if you "
00132                 "wish to use it you must make it set-uid root, the button "
00133                 "below will do this for you"), this );
00134     tmp_label->setWordWrap(true);
00135     top_layout->addWidget( tmp_label );
00136         ll = new QHBoxLayout(this);
00137         QPushButton *setupSSButton = new QPushButton(i18n("Setup SS Helper Application"), this);
00138         connect( setupSSButton, SIGNAL(clicked()), this, SLOT(setupHelper2()) );
00139         setupSSButton->setToolTip( i18n( "This button can be used to enable the Software Suspend helper application" ) );
00140         ll->addStretch(2);
00141         ll->addWidget(setupSSButton);
00142         ll->addStretch(8);
00143     } else {
00144     enableSoftwareSuspendHibernate = 0;
00145     }
00146 
00147 
00148     top_layout->addStretch(1);
00149     top_layout->addWidget( new QLabel( i18n("Version: %1", QString(LAPTOP_VERSION)), this), 0, Qt::AlignRight );
00150 
00151 
00152     load();
00153 }
00154 
00155 ApmConfig::~ApmConfig()
00156 {
00157   delete config;
00158 }
00159 
00160 void ApmConfig::setupHelper()
00161 {
00162     QString kdesu = KStandardDirs::findExe("kdesu");
00163     if (!kdesu.isEmpty()) {
00164         int rc = KMessageBox::warningContinueCancel(0,
00165                 i18n("You will need to supply a root password "
00166                     "to allow the privileges of the %1 application to change.", apm_name),
00167                 "KLaptopDaemon", KStandardGuiItem::cont(),
00168                 "");
00169         if (rc == KMessageBox::Continue) {
00170             KProcess proc;
00171             proc << kdesu;
00172             proc << "-u";
00173             proc << "root";
00174             proc <<  QString("chown root ")+apm_name+"; chmod +s "+apm_name;
00175             proc.execute(); // run it sync so has_apm below sees the results
00176         }
00177     } else {
00178         KMessageBox::sorry(0, i18n("%1 cannot be enabled because kdesu cannot be found.  Please make sure that it is installed correctly.", QString(apm_name)),
00179                 i18n("KLaptopDaemon"));
00180     }
00181     laptop_portable::apm_set_mask(enablestandby, enablesuspend);
00182         bool can_enable = laptop_portable::has_apm(1);  // is helper ready
00183         enableStandby->setEnabled(can_enable);
00184         enableSuspend->setEnabled(can_enable);
00185     wake_laptop_daemon();
00186 }
00187 
00188 #include "checkcrc.h"
00189 #include "crcresult.h"
00190 void ApmConfig::setupHelper2()  // we use the acpi helper to do software suspend
00191 {
00192     unsigned long len, crc;
00193     QString helper = KStandardDirs::findExe("klaptop_acpi_helper");
00194     checkcrc(helper.latin1(), len, crc);
00195     if (len != file_len || crc != file_crc) {
00196         QString str(i18n("The %1 application does not seem to have "
00197                     "the same size or checksum as when it was compiled we do NOT recommend "
00198                     "you proceed with making it setuid-root without further investigation", helper));
00199         int rc = KMessageBox::warningContinueCancel(0, str, i18n("KLaptopDaemon"), i18n("Run Nevertheless"));
00200         if (rc != KMessageBox::Continue)
00201             return;
00202     }
00203 
00204     QString kdesu = KStandardDirs::findExe("kdesu");
00205     if (!kdesu.isEmpty()) {
00206         int rc = KMessageBox::warningContinueCancel(0,
00207                 i18n("You will need to supply a root password "
00208                     "to allow the privileges of the klaptop_acpi_helper to change."),
00209                 i18n("KLaptopDaemon"), KStandardGuiItem::cont(),
00210                 "");
00211         if (rc == KMessageBox::Continue) {
00212             KProcess proc;
00213             proc << kdesu;
00214             proc << "-u";
00215             proc << "root";
00216             proc <<  "chown root "+helper+"; chmod +s "+helper;
00217             proc.execute(); // run it sync so has_acpi below sees the results
00218         }
00219     } else {
00220         KMessageBox::sorry(0, i18n("The Software Suspend helper cannot be enabled because kdesu cannot be found.  Please make sure that it is installed correctly."),
00221                 i18n("KLaptopDaemon"));
00222     }
00223     laptop_portable::software_suspend_set_mask(enablesoftwaresuspend);
00224         bool can_enable = laptop_portable::has_software_suspend(2); // is helper ready
00225         enableSoftwareSuspendHibernate->setEnabled(can_enable);
00226     wake_laptop_daemon();
00227 }
00228 
00229 
00230 void ApmConfig::save()
00231 {
00232         enablestandby = enableStandby->isChecked();
00233         enablesuspend = enableSuspend->isChecked();
00234     laptop_portable::apm_set_mask(enablestandby, enablesuspend);
00235     enablesoftwaresuspend = (enableSoftwareSuspendHibernate ? enableSoftwareSuspendHibernate->isChecked():0);
00236     laptop_portable::software_suspend_set_mask(enablesoftwaresuspend);
00237 
00238         config->setGroup("ApmDefault");
00239 
00240         config->writeEntry("EnableStandby", enablestandby);
00241         config->writeEntry("EnableSuspend", enablesuspend);
00242 
00243         config->setGroup("SoftwareSuspendDefault");
00244         config->writeEntry("EnableHibernate", enablesoftwaresuspend);
00245     config->sync();
00246         changed(false);
00247     wake_laptop_daemon();
00248 }
00249 
00250 void ApmConfig::load()
00251 {
00252         config->setGroup("ApmDefault");
00253         enablestandby = config->readEntry("EnableStandby", true);
00254         enableStandby->setChecked(enablestandby);
00255         enablesuspend = config->readEntry("EnableSuspend", true);
00256         enableSuspend->setChecked(enablesuspend);
00257         config->setGroup("SoftwareSuspendDefault");
00258         enablesoftwaresuspend = config->readEntry("EnableHibernate", false);
00259     if (enableSoftwareSuspendHibernate)
00260             enableSoftwareSuspendHibernate->setChecked(enablesoftwaresuspend);
00261         changed(false);
00262 }
00263 
00264 void ApmConfig::defaults()
00265 {
00266         enablestandby = true;
00267         enableStandby->setChecked(enablestandby);
00268         enablesuspend = true;
00269         enableSuspend->setChecked(enablesuspend);
00270         enablesoftwaresuspend = false;
00271         if (enableSoftwareSuspendHibernate)
00272         enableSoftwareSuspendHibernate->setChecked(enablesoftwaresuspend);
00273 
00274         changed(true);
00275 }
00276 
00277 
00278 void ApmConfig::configChanged()
00279 {
00280   emit changed(true);
00281 }
00282 
00283 
00284 QString ApmConfig::quickHelp() const
00285 {
00286   return i18n("<h1>APM Setup</h1>This module allows you to configure APM for your system");
00287 }
00288 
00289 
00290 #include "apm.moc"
00291 
00292
klaptopdaemon

apm.cpp

klaptopdaemon

kdeutils
