Copy the KDE 3.5 branch to branches/trinity for new KDE 3.5 features.

BUG:215923


git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/kdeutils@1054174 283d02a7-25f6-0310-bc7c-ecb5cbfe19da

1 files changed, 285 insertions, 0 deletions

diff --git a/klaptopdaemon/apm.cpp b/klaptopdaemon/apm.cpp
new file mode 100644
index 0000000..a13a907
--- /dev/null
+++ b/klaptopdaemon/apm.cpp
@@ -0,0 +1,285 @@
+/*
+ * battery.cpp
+ *
+ * Copyright (c) 1999 Paul Campbell <paul@taniwha.com>
+ * Copyright (c) 2002 Marc Mutz <mutz@kde.org>
+ *
+ * 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 "apm.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 <qgrid.h>
+#include <qpushbutton.h>
+#include <qtooltip.h>
+extern void wake_laptop_daemon();
+
+ApmConfig::ApmConfig (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 lets you configure your APM system and lets "
+					"you have access to some of the extra features provided by it"), this );
+    tmp_label->setAlignment( Qt::WordBreak );
+    top_layout->addWidget( tmp_label );
+    
+    tmp_label = new QLabel( i18n("NOTE: some APM implementations have buggy suspend/standby "
+				"implementations. You should test these features very gingerly - save "
+				"all your work, check them on and try a suspend/standby 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_apm(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()) );
+    apm_name = "/usr/bin/apm";
+    if (::access(apm_name, F_OK) != 0 && ::access("/usr/sbin/apm", F_OK) == 0) 
+	    apm_name = "/usr/sbin/apm";
+
+    tmp_label = new QLabel(i18n("If the above boxes are disabled then there is no 'helper' "
+				"application set up to help change APM states, there are two "
+				"ways you can enable this application, either make the file "
+				"/proc/apm writeable by anyone every time your system boots "
+				"or use the button below to make the %1 application "
+				"set-uid root").arg(apm_name), this );
+    tmp_label->setAlignment( Qt::WordBreak );
+    top_layout->addWidget( tmp_label );
+    QHBoxLayout *ll = new QHBoxLayout(top_layout);
+    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 APM helper application" ) );
+    ll->addStretch(2);
+    ll->addWidget(setupButton);
+    ll->addStretch(8);
+    if (laptop_portable::has_software_suspend()) {
+	tmp_label = new QLabel( i18n("Your system seems to have 'Software Suspend' installed, this can "
+				"be used to hibernate or 'suspend to disk' your system if you want "
+				"to use this for hibernation check the box below"), this );
+	tmp_label->setAlignment( Qt::WordBreak );
+	top_layout->addWidget( tmp_label );
+     	enableSoftwareSuspendHibernate = new QCheckBox( i18n("Enable software suspend for hibernate"), this );
+    	top_layout->addWidget( enableSoftwareSuspendHibernate );
+    	QToolTip::add( enableSoftwareSuspendHibernate, i18n( "If checked this box enables transitions to the 'hibernate' state using the 'Software Suspend' mechanism" ) );
+    	enableSoftwareSuspendHibernate->setEnabled(laptop_portable::has_software_suspend(2));
+    	connect( enableSoftwareSuspendHibernate, SIGNAL(clicked()), this, SLOT(configChanged()) );
+	tmp_label = new QLabel( i18n("If the above box is disabled then you need to be logged in "
+				"as root or need a helper application to invoke the Software "
+				"Suspend utility - KDE provides a utility to do this, if you "
+				"wish to use it you must make it set-uid root, the button "
+				"below will do this for you"), this );
+	tmp_label->setAlignment( Qt::WordBreak );
+	top_layout->addWidget( tmp_label );
+        ll = new QHBoxLayout(this);
+        QPushButton *setupSSButton = new QPushButton(i18n("Setup SS Helper Application"), this);
+        connect( setupSSButton, SIGNAL(clicked()), this, SLOT(setupHelper2()) );
+        QToolTip::add( setupSSButton, i18n( "This button can be used to enable the Software Suspend helper application" ) );
+        ll->addStretch(2);
+        ll->addWidget(setupSSButton);
+        ll->addStretch(8);
+    } else {
+	enableSoftwareSuspendHibernate = 0;
+    }
+
+
+    top_layout->addStretch(1);
+    top_layout->addWidget( new QLabel( i18n("Version: %1").arg(LAPTOP_VERSION), this), 0, Qt::AlignRight );
+
+
+    load();      
+}
+
+ApmConfig::~ApmConfig()
+{
+  delete config;
+}
+
+void ApmConfig::setupHelper()
+{
+	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 %1 application to change.").arg(apm_name),
+				"KLaptopDaemon", KStdGuiItem::cont(),
+				"");
+		if (rc == KMessageBox::Continue) {
+			KProcess proc;
+			proc << kdesu;
+			proc << "-u";
+			proc << "root";
+			proc <<  QString("chown root ")+apm_name+"; chmod +s "+apm_name;
+			proc.start(KProcess::Block);	// run it sync so has_apm below sees the results
+		}
+	} else {
+		KMessageBox::sorry(0, i18n("%1 cannot be enabled because kdesu cannot be found.  Please make sure that it is installed correctly.").arg(QString(apm_name)),
+				i18n("KLaptopDaemon"));
+	}
+	laptop_portable::apm_set_mask(enablestandby, enablesuspend);
+    	bool can_enable = laptop_portable::has_apm(1);	// is helper ready
+    	enableStandby->setEnabled(can_enable);
+    	enableSuspend->setEnabled(can_enable);
+	wake_laptop_daemon();
+}
+
+#include "checkcrc.h"
+#include "crcresult.h"
+void ApmConfig::setupHelper2()	// we use the acpi helper to do software suspend
+{
+	unsigned long len, crc;
+	QString helper = KStandardDirs::findExe("klaptop_acpi_helper");
+	checkcrc(helper.latin1(), 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 Software Suspend helper cannot be enabled because kdesu cannot be found.  Please make sure that it is installed correctly."),
+				i18n("KLaptopDaemon"));
+	}
+	laptop_portable::software_suspend_set_mask(enablesoftwaresuspend);
+    	bool can_enable = laptop_portable::has_software_suspend(2);	// is helper ready
+    	enableSoftwareSuspendHibernate->setEnabled(can_enable);
+	wake_laptop_daemon();
+}
+
+
+void ApmConfig::save()
+{
+        enablestandby = enableStandby->isChecked();
+        enablesuspend = enableSuspend->isChecked();
+	laptop_portable::apm_set_mask(enablestandby, enablesuspend);
+	enablesoftwaresuspend = (enableSoftwareSuspendHibernate ? enableSoftwareSuspendHibernate->isChecked():0);
+	laptop_portable::software_suspend_set_mask(enablesoftwaresuspend);
+
+        config->setGroup("ApmDefault");
+
+        config->writeEntry("EnableStandby", enablestandby);
+        config->writeEntry("EnableSuspend", enablesuspend);
+
+       	config->setGroup("SoftwareSuspendDefault");
+        config->writeEntry("EnableHibernate", enablesoftwaresuspend);
+	config->sync();
+        changed(false);
+	wake_laptop_daemon();
+}
+
+void ApmConfig::load()
+{
+	load( false );
+}
+
+void ApmConfig::load(bool useDefaults)
+{
+	     config->setReadDefaults( useDefaults );
+        config->setGroup("ApmDefault");
+        enablestandby = config->readBoolEntry("EnableStandby", true);
+        enableStandby->setChecked(enablestandby);
+        enablesuspend = config->readBoolEntry("EnableSuspend", true);
+        enableSuspend->setChecked(enablesuspend);
+       	config->setGroup("SoftwareSuspendDefault");
+        enablesoftwaresuspend = config->readBoolEntry("EnableHibernate", false);
+	if (enableSoftwareSuspendHibernate)
+        	enableSoftwareSuspendHibernate->setChecked(enablesoftwaresuspend);
+        emit changed(useDefaults);
+}
+
+void ApmConfig::defaults()
+{
+	     load( true );
+}
+
+
+void ApmConfig::configChanged()
+{
+  emit changed(true);
+}
+
+
+QString ApmConfig::quickHelp() const
+{
+  return i18n("<h1>APM Setup</h1>This module allows you to configure APM for your system");
+}
+
+
+#include "apm.moc"
+
+