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lib/util/execcommand.cpp

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00001 /* This file is part of the KDE project 00002 Copyright (C) 2002 Harald Fernengel <harry@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 "execcommand.h" 00021 00022 #include <kprocess.h> 00023 #include <kprogress.h> 00024 #include <klocale.h> 00025 #include <kmessagebox.h> 00026 00027 ExecCommand::ExecCommand( const QString& executable, const QStringList& args, 00028 const QString& workingDir, const QStringList& env, 00029 QObject* parent, const char* name ): 00030 QObject( parent, name ), out( "" ) /* make sure out is not QString::null since that would mean "error" */ 00031 00032 { 00033 progressDlg = 0; 00034 00035 proc = new KProcess(); 00036 proc->setWorkingDirectory( workingDir ); 00037 for ( QStringList::ConstIterator it = env.begin(); it != env.end(); ++it ) 00038 proc->setEnvironment( (*it).section( '=', 0, 0 ), (*it).section( '=', 1, 1 ) ); 00039 *proc << executable; 00040 *proc << args; 00041 00042 connect( proc, SIGNAL(processExited(KProcess*)), 00043 this, SLOT(processExited()) ); 00044 connect( proc, SIGNAL(receivedStdout(KProcess*,char*,int)), 00045 this, SLOT(receivedStdout(KProcess*,char*,int)) ); 00046 connect( proc, SIGNAL(receivedStderr(KProcess*,char*,int)), 00047 this, SLOT(receivedStderr(KProcess*,char*,int)) ); 00048 00049 bool ok = proc->start( KProcess::NotifyOnExit, KProcess::AllOutput ); 00050 00051 if ( !ok ) { 00052 KMessageBox::error( 0, i18n("Could not invoke \"%1\". Please make sure it is installed correctly").arg( executable ), 00053 i18n("Error Invoking Command") ); 00054 00055 emit finished( QString::null, QString::null ); 00056 deleteLater(); 00057 00058 } else { 00059 progressDlg = new KProgressDialog( 0, 0, i18n("Command running..."), 00060 i18n("Please wait until the \"%1\" command finishes.").arg( executable ), false ); 00061 connect( progressDlg, SIGNAL(cancelClicked()), 00062 this, SLOT(cancelClicked()) ); 00063 } 00064 } 00065 00066 void ExecCommand::receivedStdout (KProcess*, char *buffer, int buflen) 00067 { 00068 out += QString::fromUtf8( buffer, buflen ); 00069 } 00070 00071 void ExecCommand::receivedStderr (KProcess*, char *buffer, int buflen) 00072 { 00073 err += QString::fromUtf8( buffer, buflen ); 00074 } 00075 00076 void ExecCommand::processExited() 00077 { 00078 delete progressDlg; 00079 progressDlg = 0; 00080 00081 emit finished( out, err ); 00082 deleteLater(); 00083 } 00084 00085 void ExecCommand::cancelClicked() 00086 { 00087 delete progressDlg; 00088 progressDlg = 0; 00089 proc->kill(); 00090 00091 emit finished( QString::null, QString::null ); 00092 deleteLater(); 00093 } 00094 00095 ExecCommand::~ExecCommand() 00096 { 00097 delete proc; 00098 delete progressDlg; 00099 } 00100 00101 #include "execcommand.moc"
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