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/*
mstatstab.cpp - A statistics dialog
Copyright (C) 2003 Konrad Twardowski <kdtonline@poczta.onet.pl>
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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include "configuration.h"
#include "mmainwindow.h"
#include "miscutils.h"
#include "mstatstab.h"
#include <ntqcheckbox.h>
#include <ntqprocess.h>
#include <ntqregexp.h>
#include <ntqtextedit.h>
#include <ntqvbox.h>
#include <ntqvgroupbox.h>
#include <ntqwhatsthis.h>
#include <kiconloader.h>
#include <tdelocale.h>
#include <kpushbutton.h>
// public
MStatsTab *MStatsTab::_instance = 0;
MStatsTab::MStatsTab()
: KDialogBase(
ks_main,
"MStatsTab",
false, // modeless
i18n("Statistics"),
Close | Details,
Close // default button
),
_buf(TQString::null)
{
_process = new TQProcess(this);
connect(_process, SIGNAL(processExited()), SLOT(slotProcessExit()));
connect(_process, SIGNAL(readyReadStdout()), SLOT(slotReadStdout()));
TQVBox *main = new TQVBox(this);
setMainWidget(main);
// output
te_output = new TQTextEdit(main, "TQTextEdit::te_output");
te_output->setMinimumSize(640, 320);
te_output->setPaletteBackgroundColor(white);
te_output->setPaletteForegroundColor(black);
te_output->setReadOnly(true);
te_output->setTextFormat(RichText); // allow HTML tags
te_output->setWordWrap(TQTextEdit::NoWrap);
// based on the "Linux User's Manual" (man w)
TQWhatsThis::add(
te_output,
MiscUtils::HTML(i18n(
"This view displays information about the users currently on the " \
"machine, and their processes.<br>" \
"The header shows how long the system has been running."
))
);
TQHBox *buttons = new TQHBox(main);
// refresh
b_refresh = new KPushButton(SmallIcon("reload"), i18n("Refresh"), buttons, "KPushButton::b_refresh");
connect(b_refresh, SIGNAL(clicked()), SLOT(slotRefresh()));
// options
TQVGroupBox *options = new TQVGroupBox(i18n("Options"), main);
// long format
c_longFormat = new TQCheckBox(i18n("More information"), options);
c_longFormat->setChecked(kshutdownrc->statsLongFormat);
connect(c_longFormat, SIGNAL(clicked()), SLOT(slotRefresh()));
MiscUtils::setHint(c_longFormat, i18n("Show login time, JCPU and PCPU times."));
// toggle from field
c_toggleFromField = new TQCheckBox(i18n("Toggle \"FROM\""), options);
c_toggleFromField->setChecked(kshutdownrc->statsToggleFromField);
MiscUtils::setHint(c_toggleFromField, i18n("Toggle the \"FROM\" (remote hostname) field."));
connect(c_toggleFromField, SIGNAL(clicked()), SLOT(slotRefresh()));
setButtonGuiItem(Details, KStdGuiItem::configure());
setDetailsWidget(options);
adjustSize();
}
MStatsTab::~MStatsTab()
{
killProcess();
}
// protected
void MStatsTab::keyPressEvent(TQKeyEvent *e) {
// Ctrl+R, F5 = Refresh
if (
b_refresh->isEnabled() &&
(
((e->key() == Key_F5) && (e->state() == 0)) ||
((e->key() == Key_R) && (e->state() == ControlButton))
)
) {
slotRefresh();
e->accept();
}
else {
KDialogBase::keyPressEvent(e);
}
}
// private
void MStatsTab::killProcess() const
{
// kill previous process (if any)
if (_process && _process->isRunning())
_process->kill();
}
// private slots
void MStatsTab::slotProcessExit() {
_buf.replace("\n", "<br>");
_buf.replace(" ", " ");
#define KS_HEADER(text) \
_buf.replace(text, "<font color=\"#a0a0a0\">" text "</font>");
#define KS_WARNING(text) \
_buf.replace(TQRegExp("\\b" text "\\b"), "<font color=\"#ff0000\">" text "</font>");
// underline header
KS_HEADER("USER")
KS_HEADER("TTY")
KS_HEADER("FROM")
KS_HEADER("LOGIN@")
KS_HEADER("JCPU")
KS_HEADER("PCPU")
KS_HEADER("IDLE")
KS_HEADER("WHAT")
// highlight some important words
// TODO: 2.0: add more keywords (e.g. backup)
KS_WARNING("root")
KS_WARNING("ssh")
KS_WARNING("su")
KS_WARNING("sudo")
KS_WARNING("telnet")
_buf.prepend("<pre style=\"font-family: " + TDEGlobalSettings::fixedFont().family() + "\"><b>");
_buf.append("</b></pre>");
te_output->setText(MiscUtils::HTML(_buf));
b_refresh->setEnabled(true);
}
void MStatsTab::slotReadStdout() {
_buf.append(_process->readStdout());
}
void MStatsTab::slotRefresh()
{
b_refresh->setEnabled(false);
// update config
kshutdownrc->statsLongFormat = c_longFormat->isChecked();
kshutdownrc->statsToggleFromField = c_toggleFromField->isChecked();
_buf = "";
killProcess();
_process->clearArguments();
_process->addArgument("w");
if (!kshutdownrc->statsLongFormat)
_process->addArgument("-s"); // -s - short format
if (kshutdownrc->statsToggleFromField)
_process->addArgument("-f"); // -f - toggle "from" field
if (!_process->start()) {
_buf = "<b><font color=\"#ff0000\">" + i18n("Error") + "</font><br><br>";
_buf.append(i18n("Command: %1").arg(_process->arguments().join(" ")));
_buf.append("</b>");
te_output->setText(_buf);
b_refresh->setEnabled(true);
}
}
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