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/***************************************************************************
* Copyright (C) 2007-2010 by Peter Penz <[email protected]> *
* *
* 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 *
***************************************************************************/
#include "terminalpanel.h"
#include <signal.h>
#include <KPluginLoader>
#include <KPluginFactory>
#include <KService>
#include <kde_terminal_interface_v2.h>
#include <KParts/Part>
#include <KShell>
#include <KIO/Job>
#include <KIO/JobUiDelegate>
#include <QBoxLayout>
#include <QDir>
#include <QShowEvent>
TerminalPanel::TerminalPanel(QWidget* parent) :
Panel(parent),
m_clearTerminal(true),
m_mostLocalUrlJob(0),
m_layout(0),
m_terminal(0),
m_terminalWidget(0),
m_konsolePart(0),
m_konsolePartCurrentDirectory()
{
m_layout = new QVBoxLayout(this);
m_layout->setMargin(0);
}
TerminalPanel::~TerminalPanel()
{
}
void TerminalPanel::terminalExited()
{
m_terminal = 0;
emit hideTerminalPanel();
}
void TerminalPanel::dockVisibilityChanged()
{
// Only react when the DockWidget itself (not some parent) is hidden. This way we don't
// respond when e.g. Dolphin is minimized.
if (parentWidget() && parentWidget()->isHidden() &&
m_terminal && (m_terminal->foregroundProcessId() == -1)) {
// Make sure that the following "cd /" command will not affect the view.
disconnect(m_konsolePart, SIGNAL(currentDirectoryChanged(QString)),
this, SLOT(slotKonsolePartCurrentDirectoryChanged(QString)));
// Make sure this terminal does not prevent unmounting any removable drives
changeDir(KUrl::fromPath("/"));
// Because we have disconnected from the part's currentDirectoryChanged()
// signal, we have to update m_konsolePartCurrentDirectory manually. If this
// was not done, showing the panel again might not set the part's working
// directory correctly.
m_konsolePartCurrentDirectory = '/';
}
}
bool TerminalPanel::urlChanged()
{
if (!url().isValid()) {
return false;
}
const bool sendInput = m_terminal && (m_terminal->foregroundProcessId() == -1) && isVisible();
if (sendInput) {
changeDir(url());
}
return true;
}
void TerminalPanel::showEvent(QShowEvent* event)
{
if (event->spontaneous()) {
Panel::showEvent(event);
return;
}
if (!m_terminal) {
m_clearTerminal = true;
KPluginFactory* factory = 0;
KService::Ptr service = KService::serviceByDesktopName("konsolepart");
if (service) {
factory = KPluginLoader(service->library()).factory();
}
m_konsolePart = factory ? (factory->create<KParts::ReadOnlyPart>(this)) : 0;
if (m_konsolePart) {
connect(m_konsolePart, SIGNAL(destroyed(QObject*)), this, SLOT(terminalExited()));
m_terminalWidget = m_konsolePart->widget();
m_layout->addWidget(m_terminalWidget);
m_terminal = qobject_cast<TerminalInterfaceV2 *>(m_konsolePart);
}
}
if (m_terminal) {
connect(m_konsolePart, SIGNAL(currentDirectoryChanged(QString)),
this, SLOT(slotKonsolePartCurrentDirectoryChanged(QString)));
m_terminal->showShellInDir(url().toLocalFile());
changeDir(url());
m_terminalWidget->setFocus();
}
Panel::showEvent(event);
}
void TerminalPanel::changeDir(const KUrl& url)
{
delete m_mostLocalUrlJob;
m_mostLocalUrlJob = 0;
if (url.isLocalFile()) {
sendCdToTerminal(url.toLocalFile());
} else {
m_mostLocalUrlJob = KIO::mostLocalUrl(url, KIO::HideProgressInfo);
if (m_mostLocalUrlJob->ui()) {
m_mostLocalUrlJob->ui()->setWindow(this);
}
connect(m_mostLocalUrlJob, SIGNAL(result(KJob*)), this, SLOT(slotMostLocalUrlResult(KJob*)));
}
}
void TerminalPanel::sendCdToTerminal(const QString& dir)
{
if (dir == m_konsolePartCurrentDirectory) {
m_clearTerminal = false;
return;
}
if (!m_clearTerminal) {
// The TerminalV2 interface does not provide a way to delete the
// current line before sending a new input. This is mandatory,
// otherwise sending a 'cd x' to a existing 'rm -rf *' might
// result in data loss. As workaround SIGINT is send.
const int processId = m_terminal->terminalProcessId();
if (processId > 0) {
kill(processId, SIGINT);
}
}
m_terminal->sendInput(" cd " + KShell::quoteArg(dir) + '\n');
m_konsolePartCurrentDirectory = dir;
if (m_clearTerminal) {
m_terminal->sendInput(" clear\n");
m_clearTerminal = false;
}
}
void TerminalPanel::slotMostLocalUrlResult(KJob* job)
{
KIO::StatJob* statJob = static_cast<KIO::StatJob *>(job);
const KUrl url = statJob->mostLocalUrl();
if (url.isLocalFile()) {
sendCdToTerminal(url.toLocalFile());
}
m_mostLocalUrlJob = 0;
}
void TerminalPanel::slotKonsolePartCurrentDirectoryChanged(const QString& dir)
{
m_konsolePartCurrentDirectory = dir;
// Only change the view URL if 'dir' is different from the current view URL.
// Note that the current view URL could also be a symbolic link to 'dir'
// -> use QDir::canonicalPath() to check that.
const KUrl oldUrl(url());
const KUrl newUrl(dir);
if (newUrl != oldUrl && dir != QDir(oldUrl.path()).canonicalPath()) {
emit changeUrl(newUrl);
}
}
#include "terminalpanel.moc"
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