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284 lines
7.6 KiB
284 lines
7.6 KiB
/* This file is part of the KDE project
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Copyright (C) 1999-2001 Bernd Gehrmann <bernd@kdevelop.org>
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public
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License as published by the Free Software Foundation; either
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version 2 of the License, or (at your option) any later version.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public License
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along with this library; see the file COPYING.LIB. If not, write to
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the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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Boston, MA 02110-1301, USA.
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*/
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#include "processwidget.h"
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#include "processlinemaker.h"
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#include <kdeversion.h>
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#include <qdir.h>
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#include <kdebug.h>
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#include <klocale.h>
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#include <kprocess.h>
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#include <qpainter.h>
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#include <qapplication.h>
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ProcessListBoxItem::ProcessListBoxItem(const QString &s, Type type)
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: QListBoxText(s), t(type)
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{
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QString clean = s;
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clean.replace( QChar('\t'), QString(" ") );
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clean.replace( QChar('\n'), QString() );
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clean.replace( QChar('\r'), QString() );
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setText( clean );
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setCustomHighlighting(true);
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}
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bool ProcessListBoxItem::isCustomItem()
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{
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return false;
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}
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static inline unsigned char normalize(int a)
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{
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return (a < 0 ? 0 : a > 255 ? 255 : a);
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}
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static inline double blend1(double a, double b, double k)
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{
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return a + (b - a) * k;
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}
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QColor ProcessListBoxItem::blend(const QColor &c1, const QColor &c2, double k) const
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{
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if (k < 0.0) return c1;
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if (k > 1.0) return c2;
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int r = normalize((int)blend1((double)c1.red(), (double)c2.red(), k));
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int g = normalize((int)blend1((double)c1.green(), (double)c2.green(), k));
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int b = normalize((int)blend1((double)c1.blue(), (double)c2.blue(), k));
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return QColor(qRgb(r, g, b));
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}
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void ProcessListBoxItem::paint(QPainter *p)
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{
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QColor dim, warn, err, back;
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if (listBox()) {
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const QColorGroup& group = listBox()->palette().active();
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if (isSelected()) {
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back = group.button();
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warn = group.buttonText();
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}
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else
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{
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back = group.base();
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warn = group.text();
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}
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err = group.linkVisited();
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dim = blend(warn, back);
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}
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else
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{
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warn = Qt::black;
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dim = Qt::darkBlue;
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err = Qt::darkRed;
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if (isSelected())
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back = Qt::lightGray;
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else
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back = Qt::white;
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}
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p->fillRect(p->window(), QBrush(back));
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p->setPen((t==Error)? err :
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(t==Diagnostic)? warn : dim);
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QListBoxText::paint(p);
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}
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ProcessWidget::ProcessWidget(QWidget *parent, const char *name)
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: KListBox(parent, name)
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{
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setFocusPolicy(QWidget::NoFocus);
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// Don't override the palette, as that can mess up styles. Instead, draw
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// the background ourselves (see ProcessListBoxItem::paint).
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childproc = new KProcess();
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childproc->setUseShell(true);
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procLineMaker = new ProcessLineMaker( childproc );
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connect( procLineMaker, SIGNAL(receivedStdoutLine(const QCString&)),
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this, SLOT(insertStdoutLine(const QCString&) ));
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connect( procLineMaker, SIGNAL(receivedStderrLine(const QCString&)),
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this, SLOT(insertStderrLine(const QCString&) ));
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connect( procLineMaker, SIGNAL(receivedPartialStdoutLine(const QCString&)),
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this, SLOT(addPartialStdoutLine(const QCString&) ));
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connect( procLineMaker, SIGNAL(receivedPartialStderrLine(const QCString&)),
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this, SLOT(addPartialStderrLine(const QCString&) ));
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connect(childproc, SIGNAL(processExited(KProcess*)),
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this, SLOT(slotProcessExited(KProcess*) )) ;
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}
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ProcessWidget::~ProcessWidget()
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{
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delete childproc;
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delete procLineMaker;
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}
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void ProcessWidget::startJob(const QString &dir, const QString &command)
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{
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procLineMaker->clearBuffers();
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procLineMaker->blockSignals( false );
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clear();
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insertItem(new ProcessListBoxItem(command, ProcessListBoxItem::Diagnostic));
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childproc->clearArguments();
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if (!dir.isNull()) {
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childproc->setWorkingDirectory( dir );
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}
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*childproc << command;
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childproc->start(KProcess::OwnGroup, KProcess::AllOutput);
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}
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void ProcessWidget::killJob( int signo )
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{
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procLineMaker->blockSignals( true );
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childproc->kill( signo );
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}
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bool ProcessWidget::isRunning()
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{
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return childproc->isRunning();
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}
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void ProcessWidget::slotProcessExited(KProcess *)
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{
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procLineMaker->flush();
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if( !stdoutbuf.isEmpty() )
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insertStdoutLine("");
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if( !stderrbuf.isEmpty() )
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insertStderrLine("");
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childFinished(childproc->normalExit(), childproc->exitStatus());
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maybeScrollToBottom();
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emit processExited(childproc);
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}
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void ProcessWidget::insertStdoutLine(const QCString &line)
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{
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if( !stdoutbuf.isEmpty() )
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{
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stdoutbuf += line;
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insertItem( new ProcessListBoxItem( QString::fromLocal8Bit(stdoutbuf),
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ProcessListBoxItem::Normal ),
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lastRowStdout+1 );
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stdoutbuf.truncate( 0 );
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}else
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{
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insertItem( new ProcessListBoxItem( QString::fromLocal8Bit( line ),
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ProcessListBoxItem::Normal) );
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}
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lastRowStdout = count() - 1;
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maybeScrollToBottom();
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}
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void ProcessWidget::insertStderrLine(const QCString &line)
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{
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if( !stderrbuf.isEmpty() )
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{
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stderrbuf += line;
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insertItem( new ProcessListBoxItem( QString::fromLocal8Bit( stderrbuf ),
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ProcessListBoxItem::Error ),
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lastRowStderr+1 );
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stderrbuf.truncate( 0 );
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} else
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{
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insertItem( new ProcessListBoxItem( QString::fromLocal8Bit( line ),
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ProcessListBoxItem::Error) );
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}
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lastRowStderr = count() - 1;
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maybeScrollToBottom();
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}
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void ProcessWidget::childFinished(bool normal, int status)
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{
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QString s;
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ProcessListBoxItem::Type t;
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if (normal) {
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if (status) {
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s = i18n("*** Exited with status: %1 ***").arg(status);
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t = ProcessListBoxItem::Error;
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} else {
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s = i18n("*** Exited normally ***");
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t = ProcessListBoxItem::Diagnostic;
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}
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} else {
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if ( childproc->signalled() && childproc->exitSignal() == SIGSEGV )
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{
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s = i18n("*** Process aborted. Segmentation fault ***");
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}
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else
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{
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s = i18n("*** Process aborted ***");
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}
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t = ProcessListBoxItem::Error;
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}
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insertItem(new ProcessListBoxItem(s, t));
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}
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QSize ProcessWidget::minimumSizeHint() const
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{
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// I'm not sure about this, but when I don't use override minimumSizeHint(),
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// the initial size in clearly too small
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return QSize( QListBox::sizeHint().width(),
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(fontMetrics().lineSpacing()+2)*4 );
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}
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/** Should be called right after an insertItem(),
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will automatic scroll the listbox if it is already at the bottom
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to prevent automatic scrolling when the user has scrolled up
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*/
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void ProcessWidget::maybeScrollToBottom()
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{
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if ( verticalScrollBar()->value() == verticalScrollBar()->maxValue() )
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{
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setBottomItem( count() -1 );
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}
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}
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void ProcessWidget::addPartialStderrLine(const QCString& linepart)
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{
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stderrbuf += linepart;
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}
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void ProcessWidget::addPartialStdoutLine(const QCString& linepart)
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{
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stdoutbuf += linepart;
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}
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#include "processwidget.moc"
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