KDevelop API Documentation

processwidget.cpp

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00001 /* This file is part of the KDE project
00002    Copyright (C) 1999-2001 Bernd Gehrmann <bernd@kdevelop.org>
00003 
00004    This library is free software; you can redistribute it and/or
00005    modify it under the terms of the GNU Library General Public
00006    License as published by the Free Software Foundation; either
00007    version 2 of the License, or (at your option) any later version.
00008 
00009    This library is distributed in the hope that it will be useful,
00010    but WITHOUT ANY WARRANTY; without even the implied warranty of
00011    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00012    Library General Public License for more details.
00013 
00014    You should have received a copy of the GNU Library General Public License
00015    along with this library; see the file COPYING.LIB.  If not, write to
00016    the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
00017    Boston, MA 02111-1307, USA.
00018 */
00019 
00020 #include "processwidget.h"
00021 #include "processlinemaker.h"
00022 
00023 #include <kdeversion.h>
00024 #include <qdir.h>
00025 #include <kdebug.h>
00026 #include <klocale.h>
00027 #include <kprocess.h>
00028 #include <qpainter.h>
00029 #include <qapplication.h>
00030 
00031 
00032 ProcessListBoxItem::ProcessListBoxItem(const QString &s, Type type)
00033     : QListBoxText(s), t(type)
00034 {}
00035 
00036 
00037 bool ProcessListBoxItem::isCustomItem()
00038 {
00039     return false;
00040 }
00041 
00042 
00043 void ProcessListBoxItem::paint(QPainter *p)
00044 {
00045     p->setPen((t==Error)? Qt::darkRed :
00046               (t==Diagnostic)? Qt::black : Qt::darkBlue);
00047     QListBoxText::paint(p);
00048 }
00049 
00050 
00051 ProcessWidget::ProcessWidget(QWidget *parent, const char *name)
00052     : KListBox(parent, name)
00053 {
00054     setFocusPolicy(QWidget::NoFocus);
00055     QPalette pal = palette();
00056     pal.setColor(QColorGroup::HighlightedText,
00057                  pal.color(QPalette::Normal, QColorGroup::Text));
00058     pal.setColor(QColorGroup::Highlight,
00059                  pal.color(QPalette::Normal, QColorGroup::Mid));
00060     setPalette(pal);
00061 
00062 #if (KDE_VERSION > 305)
00063     childproc = new KProcess();
00064     childproc->setUseShell(true);
00065 #else
00066     childproc = new KShellProcess();
00067 #endif
00068 
00069     procLineMaker = new ProcessLineMaker( childproc );
00070 
00071     connect( procLineMaker, SIGNAL(receivedStdoutLine(const QString&)),
00072              this, SLOT(insertStdoutLine(const QString&) ));
00073     connect( procLineMaker, SIGNAL(receivedStderrLine(const QString&)),
00074              this, SLOT(insertStderrLine(const QString&) ));
00075 
00076     connect(childproc, SIGNAL(processExited(KProcess*)),
00077             this, SLOT(slotProcessExited(KProcess*) )) ;
00078 }
00079 
00080 
00081 ProcessWidget::~ProcessWidget()
00082 {
00083     delete childproc;
00084     delete procLineMaker;
00085 }
00086 
00087 
00088 void ProcessWidget::startJob(const QString &dir, const QString &command)
00089 {
00090     procLineMaker->clearBuffers();
00091     procLineMaker->blockSignals( false );
00092 
00093     clear();
00094     insertItem(new ProcessListBoxItem(command, ProcessListBoxItem::Diagnostic));
00095     childproc->clearArguments();
00096     if (!dir.isNull()) {
00097         kdDebug(9000) << "Changing to dir " << dir << endl;
00098         QDir::setCurrent(dir);
00099     }
00100 
00101     *childproc << command;
00102     childproc->start(KProcess::NotifyOnExit, KProcess::AllOutput);
00103 }
00104 
00105 
00106 void ProcessWidget::killJob( int signo )
00107 {
00108     procLineMaker->blockSignals( true );
00109     
00110     childproc->kill( signo );
00111 }
00112 
00113 
00114 bool ProcessWidget::isRunning()
00115 {
00116     return childproc->isRunning();
00117 }
00118 
00119 
00120 void ProcessWidget::slotProcessExited(KProcess *)
00121 {
00122     childFinished(childproc->normalExit(), childproc->exitStatus());
00123     maybeScrollToBottom();
00124     emit processExited(childproc);
00125 }
00126 
00127 
00128 void ProcessWidget::insertStdoutLine(const QString &line)
00129 {
00130     insertItem(new ProcessListBoxItem(line.stripWhiteSpace(),
00131                                       ProcessListBoxItem::Normal));
00132     maybeScrollToBottom();
00133 }
00134 
00135 
00136 void ProcessWidget::insertStderrLine(const QString &line)
00137 {
00138     insertItem(new ProcessListBoxItem(line.stripWhiteSpace(),
00139                                       ProcessListBoxItem::Error));
00140     maybeScrollToBottom();
00141 }
00142 
00143 
00144 void ProcessWidget::childFinished(bool normal, int status)
00145 {
00146     QString s;
00147     ProcessListBoxItem::Type t;
00148 
00149     if (normal) {
00150         if (status) {
00151             s = i18n("*** Exited with status: %1 ***").arg(status);
00152             t = ProcessListBoxItem::Error;
00153         } else {
00154             s = i18n("*** Exited normally ***");
00155             t = ProcessListBoxItem::Diagnostic;
00156         }
00157     } else {
00158         s = i18n("*** Process aborted ***");
00159         t = ProcessListBoxItem::Error;
00160     }
00161 
00162     insertItem(new ProcessListBoxItem(s, t));
00163 }
00164 
00165 
00166 QSize ProcessWidget::minimumSizeHint() const
00167 {
00168     // I'm not sure about this, but when I don't use override minimumSizeHint(),
00169     // the initial size in clearly too small
00170 
00171     return QSize( QListBox::sizeHint().width(),
00172                   (fontMetrics().lineSpacing()+2)*4 );
00173 }
00174 
00179 void ProcessWidget::maybeScrollToBottom()
00180 {
00181     if ( verticalScrollBar()->value() == verticalScrollBar()->maxValue() ) 
00182     {
00183         setBottomItem( count() -1 );
00184     }
00185 }
00186 
00187 #include "processwidget.moc"
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