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/***************************************************************************
**
** This file is part of Qt Creator
**
** Copyright (c) 2008 Nokia Corporation and/or its subsidiary(-ies).
**
** Contact: Qt Software Information (qt-info@nokia.com)
**
**
** Non-Open Source Usage
**
** Licensees may use this file in accordance with the Qt Beta Version
** License Agreement, Agreement version 2.2 provided with the Software or,
** alternatively, in accordance with the terms contained in a written
** agreement between you and Nokia.
**
** GNU General Public License Usage
**
** Alternatively, this file may be used under the terms of the GNU General
** Public License versions 2.0 or 3.0 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the packaging
** of this file. Please review the following information to ensure GNU
** General Public Licensing requirements will be met:
**
** http://www.fsf.org/licensing/licenses/info/GPLv2.html and
** http://www.gnu.org/copyleft/gpl.html.
**
** In addition, as a special exception, Nokia gives you certain additional
** rights. These rights are described in the Nokia Qt GPL Exception
** version 1.3, included in the file GPL_EXCEPTION.txt in this package.
**
***************************************************************************/
#include "attachexternaldialog.h"
#include <QDebug>
#include <QDir>
#include <QFile>
#include <QPushButton>
#include <QStandardItemModel>
#include <QHeaderView>
#ifdef Q_OS_WINDOWS
#include <windows.h>
#include <tlhelp32.h>
#include <tchar.h>
#include <stdio.h>
#endif
using namespace Debugger::Internal;
AttachExternalDialog::AttachExternalDialog(QWidget *parent)
: QDialog(parent)
{
setupUi(this);
buttonBox->button(QDialogButtonBox::Ok)->setDefault(true);
m_model = new QStandardItemModel(this);
procView->setSortingEnabled(true);
connect(buttonBox, SIGNAL(accepted()), this, SLOT(accept()));
connect(buttonBox, SIGNAL(rejected()), this, SLOT(reject()));
connect(procView, SIGNAL(activated(const QModelIndex &)),
this, SLOT(procSelected(const QModelIndex &)));
rebuildProcessList();
}
static bool isProcessName(const QString &procname)
{
for (int i = 0; i != procname.size(); ++i)
if (!procname.at(i).isDigit())
return false;
return true;
}
struct ProcData
{
QString ppid;
QString name;
QString state;
};
static void insertItem(QStandardItem *root, const QString &pid,
const QMap<QString, ProcData> &procs, QMap<QString, QStandardItem *> &known)
{
//qDebug() << "HANDLING " << pid;
QStandardItem *parent = 0;
const ProcData &proc = procs[pid];
if (1 || pid == "0") { // FIXME: a real tree is not-so-nice to search
parent = root;
} else {
if (!known.contains(proc.ppid))
insertItem(root, proc.ppid, procs, known);
parent = known[proc.ppid];
}
QList<QStandardItem *> row;
row.append(new QStandardItem(pid));
row.append(new QStandardItem(proc.name));
//row.append(new QStandardItem(proc.ppid));
row.append(new QStandardItem(proc.state));
parent->appendRow(row);
known[pid] = row[0];
}
void AttachExternalDialog::rebuildProcessList()
{
QStringList procnames = QDir("/proc/").entryList();
if (procnames.isEmpty()) {
procView->hide();
return;
}
typedef QMap<QString, ProcData> Procs;
Procs procs;
foreach (const QString &procname, procnames) {
if (!isProcessName(procname))
continue;
QString filename = "/proc/" + procname + "/stat";
QFile file(filename);
file.open(QIODevice::ReadOnly);
QStringList data = QString::fromLocal8Bit(file.readAll()).split(' ');
//qDebug() << filename << data;
ProcData proc;
proc.name = data.at(1);
if (proc.name.startsWith('(') && proc.name.endsWith(')'))
proc.name = proc.name.mid(1, proc.name.size() - 2);
proc.state = data.at(2);
proc.ppid = data.at(3);
procs[procname] = proc;
}
m_model->clear();
QMap<QString, QStandardItem *> known;
for (Procs::const_iterator it = procs.begin(); it != procs.end(); ++it)
insertItem(m_model->invisibleRootItem(), it.key(), procs, known);
m_model->setHeaderData(0, Qt::Horizontal, "Process ID", Qt::DisplayRole);
m_model->setHeaderData(1, Qt::Horizontal, "Name", Qt::DisplayRole);
//model->setHeaderData(2, Qt::Horizontal, "Parent", Qt::DisplayRole);
m_model->setHeaderData(2, Qt::Horizontal, "State", Qt::DisplayRole);
procView->setModel(m_model);
procView->expandAll();
procView->resizeColumnToContents(0);
procView->resizeColumnToContents(1);
procView->sortByColumn(1, Qt::AscendingOrder);
}
void AttachExternalDialog::procSelected(const QModelIndex &index0)
{
QModelIndex index = index0.sibling(index0.row(), 0);
QStandardItem *item = m_model->itemFromIndex(index);
if (!item)
return;
pidLineEdit->setText(item->text());
accept();
}
int AttachExternalDialog::attachPID() const
{
return pidLineEdit->text().toInt();
}
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