committed by ljp (llornkcor): improvements by Dan Williams, and and alignment by me

1 files changed, 119 insertions, 0 deletions

diff --git a/noncore/settings/sysinfo/processinfo.cpp b/noncore/settings/sysinfo/processinfo.cpp
new file mode 100644
index 0000000..bd954c8
--- a/dev/null
+++ b/noncore/settings/sysinfo/processinfo.cpp
@@ -0,0 +1,119 @@
+/**********************************************************************
+** ProcessInfo
+**
+** Display process information
+**
+** Copyright (C) 2002, Dan Williams
+**                    williamsdr@acm.org
+**                    http://draknor.net
+**
+** This file may be distributed and/or modified under the terms of the
+** GNU General Public License version 2 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.
+**
+** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
+** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
+**
+**********************************************************************/
+
+#include <qheader.h>
+#include <qlistview.h>
+#include <qlayout.h>
+#include <qtimer.h>
+#include <qfile.h>
+#include <qdir.h>
+
+#include "processinfo.h"
+
+ProcessInfo::ProcessInfo( QWidget* parent,  const char* name, WFlags fl )
+    : QWidget( parent, name, fl )
+{
+    QVBoxLayout *vb = new QVBoxLayout( this, 5 );
+
+    ProcessView = new QListView( this, "ProcessView" );
+    int colnum = ProcessView->addColumn( tr( "PID" ) );
+    ProcessView->setColumnAlignment( colnum, Qt::AlignRight );
+    colnum = ProcessView->addColumn( tr( "Command" ),90 );
+    ProcessView->setColumnAlignment( colnum, Qt::AlignRight );
+    colnum = ProcessView->addColumn( tr( "Status" ) );
+    ProcessView->setColumnAlignment( colnum, Qt::AlignRight );
+    colnum = ProcessView->addColumn( tr( "Time" ) );
+    ProcessView->setColumnAlignment( colnum, Qt::AlignRight );
+    ProcessView->setAllColumnsShowFocus( TRUE );
+    connect( ProcessView, SIGNAL( doubleClicked(QListViewItem *) ), this, SLOT( viewProcess(QListViewItem *) ) );
+
+    vb->addWidget( ProcessView );
+
+    QTimer *t = new QTimer( this );
+    connect( t, SIGNAL( timeout() ), this, SLOT( updateData() ) );
+    t->start( 5000 );
+
+    updateData();
+}
+
+ProcessInfo::~ProcessInfo()
+{
+}
+
+void ProcessInfo::updateData()
+{
+    QString processnum("");
+    QString processcmd("");
+    QString processstatus("");
+    QString processtime("");
+    int pid, ppid, pgrp, session, tty, tpgid, utime, stime, cutime, cstime, counter, priority, starttime,
+       signal, blocked, sigignore, sigcatch;
+    uint flags, minflt, cminflt, majflt, cmajflt, timeout, itrealvalue, vsize, rss, rlim, startcode,
+         endcode, startstack, kstkesp, kstkeip, wchan;
+    char state;
+    char comm[255];
+
+    ProcessView->clear();
+
+    QDir *procdir = new QDir("/proc");
+    procdir->setFilter(QDir::Dirs);
+    procdir->setSorting(QDir::Name);
+    QFileInfoList *proclist = new QFileInfoList(*(procdir->entryInfoList()));
+    if ( proclist )
+    {
+        QFileInfoListIterator it(*proclist);
+        QFileInfo *f;
+        while ( ( f = it.current() ) != 0 )
+        {
+            ++it;
+            processnum = f->fileName();
+            if ( processnum >= "0" && processnum <= "99999" )
+            {
+                FILE *procfile = fopen( ( QString ) ( "/proc/" + processnum + "/stat"), "r");
+
+                if ( procfile )
+                {
+                    fscanf( procfile,
+                           "%d %s %c %d %d %d %d %d %u %u %u %u %u %d %d %d %d %d %d %u %u %d %u %u %u %u %u %u %u %u %d %d %d %d %u",
+                           &pid, comm, &state, &ppid, &pgrp, &session,&tty, &tpgid, &flags, &minflt, &cminflt,
+                           &majflt, &cmajflt, &utime, &stime, &cutime, &cstime, &counter, &priority, &timeout,
+                           &itrealvalue, &starttime, &vsize, &rss, &rlim, &startcode, &endcode, &startstack,
+                           &kstkesp, &kstkeip, &signal, &blocked, &sigignore, &sigcatch, &wchan );
+                    processnum = processnum.rightJustify( 5, ' ' );
+                    processcmd = QString( comm ).replace( QRegExp( "(" ), "" );
+                    processcmd = processcmd.replace( QRegExp( ")" ), "" );
+                    processstatus = state;
+                    processtime.setNum( ( utime + stime ) / 100 );
+                    processtime = processtime.rightJustify( 9, ' ' );
+                    fclose( procfile );
+
+                    ( void ) new QListViewItem( ProcessView, processnum, processcmd, processstatus, processtime );
+                }
+            }
+        }
+    }
+
+    delete proclist;
+    delete procdir;
+}
+
+void ProcessInfo::viewProcess(QListViewItem *process)
+{
+//printf("Double click for PID: %s\n", process->text(0).stripWhiteSpace().latin1());
+}