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qtermwidget-packaging/lib/qtermwidget.cpp

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/* Copyright (C) 2008 e_k (e_k@users.sourceforge.net)
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library 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
Library General Public License for more details.
You should have received a copy of the GNU Library General Public License
along with this library; see the file COPYING.LIB. If not, write to
the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA.
*/
#include <QLayout>
#include <QBoxLayout>
#include <QtDebug>
#include <QDir>
#include <QMessageBox>
#include "ColorTables.h"
#include "Session.h"
#include "Screen.h"
#include "ScreenWindow.h"
#include "Emulation.h"
#include "TerminalDisplay.h"
#include "KeyboardTranslator.h"
#include "ColorScheme.h"
#include "SearchBar.h"
#include "qtermwidget.h"
#define STEP_ZOOM 1
using namespace Konsole;
void *createTermWidget(int startnow, void *parent)
{
return (void*) new QTermWidget(startnow, (QWidget*)parent);
}
struct TermWidgetImpl {
TermWidgetImpl(QWidget* parent = 0);
TerminalDisplay *m_terminalDisplay;
Session *m_session;
Session* createSession(QWidget* parent);
TerminalDisplay* createTerminalDisplay(Session *session, QWidget* parent);
};
TermWidgetImpl::TermWidgetImpl(QWidget* parent)
{
this->m_session = createSession(parent);
this->m_terminalDisplay = createTerminalDisplay(this->m_session, parent);
}
Session *TermWidgetImpl::createSession(QWidget* parent)
{
Session *session = new Session(parent);
session->setTitle(Session::NameRole, "QTermWidget");
/* Thats a freaking bad idea!!!!
* /bin/bash is not there on every system
* better set it to the current $SHELL
* Maybe you can also make a list available and then let the widget-owner decide what to use.
* By setting it to $SHELL right away we actually make the first filecheck obsolete.
* But as iam not sure if you want to do anything else ill just let both checks in and set this to $SHELL anyway.
*/
//session->setProgram("/bin/bash");
session->setProgram(getenv("SHELL"));
QStringList args("");
session->setArguments(args);
session->setAutoClose(true);
session->setCodec(QTextCodec::codecForName("UTF-8"));
session->setFlowControlEnabled(true);
session->setHistoryType(HistoryTypeBuffer(1000));
session->setDarkBackground(true);
session->setKeyBindings("");
return session;
}
TerminalDisplay *TermWidgetImpl::createTerminalDisplay(Session *session, QWidget* parent)
{
// TerminalDisplay* display = new TerminalDisplay(this);
TerminalDisplay* display = new TerminalDisplay(parent);
display->setBellMode(TerminalDisplay::NotifyBell);
display->setTerminalSizeHint(true);
display->setTripleClickMode(TerminalDisplay::SelectWholeLine);
display->setTerminalSizeStartup(true);
display->setRandomSeed(session->sessionId() * 31);
return display;
}
QTermWidget::QTermWidget(int startnow, QWidget *parent)
: QWidget(parent)
{
init(startnow);
}
QTermWidget::QTermWidget(QWidget *parent)
: QWidget(parent)
{
init(1);
}
void QTermWidget::selectionChanged(bool textSelected)
{
emit copyAvailable(textSelected);
}
void QTermWidget::find()
{
search(true, false);
}
void QTermWidget::findNext()
{
search(true, true);
}
void QTermWidget::findPrevious()
{
search(false, false);
}
void QTermWidget::search(bool forwards, bool next)
{
int startColumn, startLine;
if (next) // search from just after current selection
{
m_impl->m_terminalDisplay->screenWindow()->screen()->getSelectionEnd(startColumn, startLine);
startColumn++;
}
else // search from start of current selection
{
m_impl->m_terminalDisplay->screenWindow()->screen()->getSelectionStart(startColumn, startLine);
}
qDebug() << "current selection starts at: " << startColumn << startLine;
qDebug() << "current cursor position: " << m_impl->m_terminalDisplay->screenWindow()->cursorPosition();
QRegExp regExp(m_searchBar->searchText());
regExp.setPatternSyntax(m_searchBar->useRegularExpression() ? QRegExp::RegExp : QRegExp::FixedString);
regExp.setCaseSensitivity(m_searchBar->matchCase() ? Qt::CaseSensitive : Qt::CaseInsensitive);
HistorySearch *historySearch =
new HistorySearch(m_impl->m_session->emulation(), regExp, forwards, startColumn, startLine, this);
connect(historySearch, SIGNAL(matchFound(int, int, int, int)), this, SLOT(matchFound(int, int, int, int)));
connect(historySearch, SIGNAL(noMatchFound()), this, SLOT(noMatchFound()));
connect(historySearch, SIGNAL(noMatchFound()), m_searchBar, SLOT(noMatchFound()));
historySearch->search();
}
void QTermWidget::matchFound(int startColumn, int startLine, int endColumn, int endLine)
{
ScreenWindow* sw = m_impl->m_terminalDisplay->screenWindow();
qDebug() << "Scroll to" << startLine;
sw->scrollTo(startLine);
sw->setTrackOutput(false);
sw->notifyOutputChanged();
sw->setSelectionStart(startColumn, startLine - sw->currentLine(), false);
sw->setSelectionEnd(endColumn, endLine - sw->currentLine());
}
void QTermWidget::noMatchFound()
{
m_impl->m_terminalDisplay->screenWindow()->clearSelection();
}
int QTermWidget::getShellPID()
{
return m_impl->m_session->processId();
}
void QTermWidget::changeDir(const QString & dir)
{
/*
this is a very hackish way of trying to determine if the shell is in
the foreground before attempting to change the directory. It may not
be portable to anything other than Linux.
*/
QString strCmd;
strCmd.setNum(getShellPID());
strCmd.prepend("ps -j ");
strCmd.append(" | tail -1 | awk '{ print $5 }' | grep -q \\+");
int retval = system(strCmd.toStdString().c_str());
if (!retval) {
QString cmd = "cd " + dir + "\n";
sendText(cmd);
}
}
QSize QTermWidget::sizeHint() const
{
QSize size = m_impl->m_terminalDisplay->sizeHint();
size.rheight() = 150;
return size;
}
void QTermWidget::startShellProgram()
{
if ( m_impl->m_session->isRunning() ) {
return;
}
m_impl->m_session->run();
}
void QTermWidget::startTerminalTeletype()
{
if ( m_impl->m_session->isRunning() ) {
return;
}
m_impl->m_session->runEmptyPTY();
// redirect data from TTY to external recipient
connect( m_impl->m_session->emulation(), SIGNAL(sendData(const char *,int)),
this, SIGNAL(sendData(const char *,int)) );
}
void QTermWidget::init(int startnow)
{
m_layout = new QVBoxLayout();
m_layout->setMargin(0);
setLayout(m_layout);
m_impl = new TermWidgetImpl(this);
m_impl->m_terminalDisplay->setSizePolicy(QSizePolicy::MinimumExpanding, QSizePolicy::MinimumExpanding);
m_layout->addWidget(m_impl->m_terminalDisplay);
connect(m_impl->m_session, SIGNAL(bellRequest(QString)), m_impl->m_terminalDisplay, SLOT(bell(QString)));
connect(m_impl->m_terminalDisplay, SIGNAL(notifyBell(QString)), this, SIGNAL(bell(QString)));
connect(m_impl->m_session, SIGNAL(activity()), this, SIGNAL(activity()));
connect(m_impl->m_session, SIGNAL(silence()), this, SIGNAL(silence()));
// That's OK, FilterChain's dtor takes care of UrlFilter.
UrlFilter *urlFilter = new UrlFilter();
connect(urlFilter, &UrlFilter::activated, this, &QTermWidget::urlActivated);
m_impl->m_terminalDisplay->filterChain()->addFilter(urlFilter);
m_searchBar = new SearchBar(this);
m_searchBar->setSizePolicy(QSizePolicy::MinimumExpanding, QSizePolicy::Maximum);
connect(m_searchBar, SIGNAL(searchCriteriaChanged()), this, SLOT(find()));
connect(m_searchBar, SIGNAL(findNext()), this, SLOT(findNext()));
connect(m_searchBar, SIGNAL(findPrevious()), this, SLOT(findPrevious()));
m_layout->addWidget(m_searchBar);
m_searchBar->hide();
if (startnow && m_impl->m_session) {
m_impl->m_session->run();
}
this->setFocus( Qt::OtherFocusReason );
this->setFocusPolicy( Qt::WheelFocus );
m_impl->m_terminalDisplay->resize(this->size());
this->setFocusProxy(m_impl->m_terminalDisplay);
connect(m_impl->m_terminalDisplay, SIGNAL(copyAvailable(bool)),
this, SLOT(selectionChanged(bool)));
connect(m_impl->m_terminalDisplay, SIGNAL(termGetFocus()),
this, SIGNAL(termGetFocus()));
connect(m_impl->m_terminalDisplay, SIGNAL(termLostFocus()),
this, SIGNAL(termLostFocus()));
connect(m_impl->m_terminalDisplay, SIGNAL(keyPressedSignal(QKeyEvent *)),
this, SIGNAL(termKeyPressed(QKeyEvent *)));
// m_impl->m_terminalDisplay->setSize(80, 40);
QFont font = QApplication::font();
font.setFamily("Monospace");
font.setPointSize(10);
font.setStyleHint(QFont::TypeWriter);
setTerminalFont(font);
m_searchBar->setFont(font);
setScrollBarPosition(NoScrollBar);
setKeyboardCursorShape(BlockCursor);
m_impl->m_session->addView(m_impl->m_terminalDisplay);
connect(m_impl->m_session, SIGNAL(resizeRequest(QSize)), this, SLOT(setSize(QSize)));
connect(m_impl->m_session, SIGNAL(finished()), this, SLOT(sessionFinished()));
connect(m_impl->m_session, &Session::titleChanged, this, &QTermWidget::titleChanged);
}
QTermWidget::~QTermWidget()
{
delete m_impl;
emit destroyed();
}
void QTermWidget::setTerminalFont(const QFont &font)
{
if (!m_impl->m_terminalDisplay)
return;
m_impl->m_terminalDisplay->setVTFont(font);
}
QFont QTermWidget::getTerminalFont()
{
if (!m_impl->m_terminalDisplay)
return QFont();
return m_impl->m_terminalDisplay->getVTFont();
}
void QTermWidget::setTerminalOpacity(qreal level)
{
if (!m_impl->m_terminalDisplay)
return;
m_impl->m_terminalDisplay->setOpacity(level);
}
void QTermWidget::setTerminalBackgroundImage(QString backgroundImage)
{
if (!m_impl->m_terminalDisplay)
return;
m_impl->m_terminalDisplay->setBackgroundImage(backgroundImage);
}
void QTermWidget::setShellProgram(const QString &progname)
{
if (!m_impl->m_session)
return;
m_impl->m_session->setProgram(progname);
}
void QTermWidget::setWorkingDirectory(const QString& dir)
{
if (!m_impl->m_session)
return;
m_impl->m_session->setInitialWorkingDirectory(dir);
}
QString QTermWidget::workingDirectory()
{
if (!m_impl->m_session)
return QString();
#ifdef Q_OS_LINUX
// Christian Surlykke: On linux we could look at /proc/<pid>/cwd which should be a link to current
// working directory (<pid>: process id of the shell). I don't know about BSD.
// Maybe we could just offer it when running linux, for a start.
QDir d(QString("/proc/%1/cwd").arg(getShellPID()));
if (!d.exists())
{
qDebug() << "Cannot find" << d.dirName();
goto fallback;
}
return d.canonicalPath();
#endif
fallback:
// fallback, initial WD
return m_impl->m_session->initialWorkingDirectory();
}
void QTermWidget::setArgs(const QStringList &args)
{
if (!m_impl->m_session)
return;
m_impl->m_session->setArguments(args);
}
void QTermWidget::setTextCodec(QTextCodec *codec)
{
if (!m_impl->m_session)
return;
m_impl->m_session->setCodec(codec);
}
void QTermWidget::setColorScheme(const QString& origName)
{
const ColorScheme *cs = 0;
const bool isFile = QFile::exists(origName);
const QString& name = isFile ?
QFileInfo(origName).baseName() :
origName;
// avoid legacy (int) solution
if (!availableColorSchemes().contains(name))
{
if (isFile)
{
if (ColorSchemeManager::instance()->loadCustomColorScheme(origName))
cs = ColorSchemeManager::instance()->findColorScheme(name);
else
qWarning () << Q_FUNC_INFO
<< "cannot load color scheme from"
<< origName;
}
if (!cs)
cs = ColorSchemeManager::instance()->defaultColorScheme();
}
else
cs = ColorSchemeManager::instance()->findColorScheme(name);
if (! cs)
{
QMessageBox::information(this,
tr("Color Scheme Error"),
tr("Cannot load color scheme: %1").arg(name));
return;
}
ColorEntry table[TABLE_COLORS];
cs->getColorTable(table);
m_impl->m_terminalDisplay->setColorTable(table);
}
QStringList QTermWidget::availableColorSchemes()
{
QStringList ret;
foreach (const ColorScheme* cs, ColorSchemeManager::instance()->allColorSchemes())
ret.append(cs->name());
return ret;
}
void QTermWidget::addCustomColorSchemeDir(const QString& custom_dir)
{
ColorSchemeManager::instance()->addCustomColorSchemeDir(custom_dir);
}
void QTermWidget::setSize(const QSize &size)
{
if (!m_impl->m_terminalDisplay)
return;
m_impl->m_terminalDisplay->setSize(size.width(), size.height());
}
void QTermWidget::setHistorySize(int lines)
{
if (lines < 0)
m_impl->m_session->setHistoryType(HistoryTypeFile());
else
m_impl->m_session->setHistoryType(HistoryTypeBuffer(lines));
}
void QTermWidget::setScrollBarPosition(ScrollBarPosition pos)
{
if (!m_impl->m_terminalDisplay)
return;
m_impl->m_terminalDisplay->setScrollBarPosition(pos);
}
void QTermWidget::scrollToEnd()
{
if (!m_impl->m_terminalDisplay)
return;
m_impl->m_terminalDisplay->scrollToEnd();
}
void QTermWidget::sendText(const QString &text)
{
m_impl->m_session->sendText(text);
}
void QTermWidget::resizeEvent(QResizeEvent*)
{
//qDebug("global window resizing...with %d %d", this->size().width(), this->size().height());
m_impl->m_terminalDisplay->resize(this->size());
}
void QTermWidget::sessionFinished()
{
emit finished();
}
void QTermWidget::copyClipboard()
{
m_impl->m_terminalDisplay->copyClipboard();
}
void QTermWidget::pasteClipboard()
{
m_impl->m_terminalDisplay->pasteClipboard();
}
void QTermWidget::pasteSelection()
{
m_impl->m_terminalDisplay->pasteSelection();
}
void QTermWidget::setZoom(int step)
{
if (!m_impl->m_terminalDisplay)
return;
QFont font = m_impl->m_terminalDisplay->getVTFont();
font.setPointSize(font.pointSize() + step);
setTerminalFont(font);
}
void QTermWidget::zoomIn()
{
setZoom(STEP_ZOOM);
}
void QTermWidget::zoomOut()
{
setZoom(-STEP_ZOOM);
}
void QTermWidget::setKeyBindings(const QString & kb)
{
m_impl->m_session->setKeyBindings(kb);
}
void QTermWidget::clear()
{
m_impl->m_session->emulation()->reset();
m_impl->m_session->refresh();
m_impl->m_session->clearHistory();
}
void QTermWidget::setFlowControlEnabled(bool enabled)
{
m_impl->m_session->setFlowControlEnabled(enabled);
}
QStringList QTermWidget::availableKeyBindings()
{
return KeyboardTranslatorManager::instance()->allTranslators();
}
QString QTermWidget::keyBindings()
{
return m_impl->m_session->keyBindings();
}
void QTermWidget::toggleShowSearchBar()
{
m_searchBar->isHidden() ? m_searchBar->show() : m_searchBar->hide();
}
bool QTermWidget::flowControlEnabled(void)
{
return m_impl->m_session->flowControlEnabled();
}
void QTermWidget::setFlowControlWarningEnabled(bool enabled)
{
if (flowControlEnabled()) {
// Do not show warning label if flow control is disabled
m_impl->m_terminalDisplay->setFlowControlWarningEnabled(enabled);
}
}
void QTermWidget::setEnvironment(const QStringList& environment)
{
m_impl->m_session->setEnvironment(environment);
}
void QTermWidget::setMotionAfterPasting(int action)
{
m_impl->m_terminalDisplay->setMotionAfterPasting((Konsole::MotionAfterPasting) action);
}
int QTermWidget::historyLinesCount()
{
return m_impl->m_terminalDisplay->screenWindow()->screen()->getHistLines();
}
int QTermWidget::screenColumnsCount()
{
return m_impl->m_terminalDisplay->screenWindow()->screen()->getColumns();
}
int QTermWidget::screenLinesCount()
{
return m_impl->m_terminalDisplay->screenWindow()->screen()->getLines();
}
void QTermWidget::setSelectionStart(int row, int column)
{
m_impl->m_terminalDisplay->screenWindow()->screen()->setSelectionStart(column, row, true);
}
void QTermWidget::setSelectionEnd(int row, int column)
{
m_impl->m_terminalDisplay->screenWindow()->screen()->setSelectionEnd(column, row);
}
void QTermWidget::getSelectionStart(int& row, int& column)
{
m_impl->m_terminalDisplay->screenWindow()->screen()->getSelectionStart(column, row);
}
void QTermWidget::getSelectionEnd(int& row, int& column)
{
m_impl->m_terminalDisplay->screenWindow()->screen()->getSelectionEnd(column, row);
}
QString QTermWidget::selectedText(bool preserveLineBreaks)
{
return m_impl->m_terminalDisplay->screenWindow()->screen()->selectedText(preserveLineBreaks);
}
void QTermWidget::setMonitorActivity(bool monitor)
{
m_impl->m_session->setMonitorActivity(monitor);
}
void QTermWidget::setMonitorSilence(bool monitor)
{
m_impl->m_session->setMonitorSilence(monitor);
}
void QTermWidget::setSilenceTimeout(int seconds)
{
m_impl->m_session->setMonitorSilenceSeconds(seconds);
}
Filter::HotSpot* QTermWidget::getHotSpotAt(const QPoint &pos) const
{
int row = 0, column = 0;
m_impl->m_terminalDisplay->getCharacterPosition(pos, row, column);
return getHotSpotAt(row, column);
}
Filter::HotSpot* QTermWidget::getHotSpotAt(int row, int column) const
{
return m_impl->m_terminalDisplay->filterChain()->hotSpotAt(row, column);
}
QList<QAction*> QTermWidget::filterActions(const QPoint& position)
{
return m_impl->m_terminalDisplay->filterActions(position);
}
int QTermWidget::getPtySlaveFd() const
{
return m_impl->m_session->getPtySlaveFd();
}
void QTermWidget::setKeyboardCursorShape(KeyboardCursorShape shape)
{
if (!m_impl->m_terminalDisplay)
return;
m_impl->m_terminalDisplay->setKeyboardCursorShape(shape);
}
QString QTermWidget::title() const
{
QString title = m_impl->m_session->userTitle();
if (title.isEmpty())
title = m_impl->m_session->title(Konsole::Session::NameRole);
return title;
}
QString QTermWidget::icon() const
{
QString icon = m_impl->m_session->iconText();
if (icon.isEmpty())
icon = m_impl->m_session->iconName();
return icon;
}
bool QTermWidget::isTitleChanged() const
{
return m_impl->m_session->isTitleChanged();
}