added muSR data run header information dump to musrgui

2012-05-25 14:40:41 +00:00
parent 5a2e407433
commit daea7545a6
8 changed files with 279 additions and 2 deletions
@@ -0,0 +1,138 @@
+/****************************************************************************
+
+  PDumpOutputHandler.cpp
+
+  Author: Andreas Suter
+  e-mail: andreas.suter@psi.ch
+
+  $Id$
+
+*****************************************************************************/
+
+/***************************************************************************
+ *   Copyright (C) 2012 by Andreas Suter                                   *
+ *   andreas.suter@psi.ch                                                  *
+ *                                                                         *
+ *   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.,                                       *
+ *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
+ ***************************************************************************/
+
+#include <qtimer.h>
+
+#include "PDumpOutputHandler.h"
+
+//----------------------------------------------------------------------------------------------------
+/**
+ * <p>
+ */
+PDumpOutputHandler::PDumpOutputHandler(QValueVector<QString> &cmd)
+{
+  if (cmd.empty())
+    return;
+
+  // Layout
+  fVbox = new QVBox( this );
+  fVbox->resize(600, 800);
+  fOutput = new QTextEdit( fVbox );
+  fOutput->setMinimumSize(600, 755);
+  fOutput->setReadOnly(true);
+  connect( fOutput, SIGNAL( destroyed() ), this, SLOT(quitButtonPressed() ) );
+  fQuitButton = new QPushButton( tr("Close"), fVbox );
+  connect( fQuitButton, SIGNAL( clicked() ), this, SLOT( quitButtonPressed() ) );
+  resize( 600, 800 );
+  fQuitButton->setFocus();
+
+  // QProcess related code
+  fProc = new QProcess( this );
+
+  // Set up the command and arguments.
+  for (unsigned int i=0; i<cmd.size(); i++)
+    fProc->addArgument(cmd[i]);
+
+  connect( fProc, SIGNAL( readyReadStdout() ), this, SLOT( readFromStdOut() ) );
+  connect( fProc, SIGNAL( readyReadStderr() ), this, SLOT( readFromStdErr() ) );
+
+  if ( !fProc->start() ) {
+    // error handling
+    QMessageBox::critical( 0,
+                tr("Fatal error"),
+                tr("Could not execute the output command: "+cmd[0]),
+                tr("Quit") );
+    done(0);
+  }
+  fProcPID = fProc->processIdentifier();
+}
+
+//----------------------------------------------------------------------------------------------------
+/**
+ * <p>
+ */
+PDumpOutputHandler::~PDumpOutputHandler()
+{
+  if (fProc->isRunning()) {
+    fProc->tryTerminate();
+    QTimer::singleShot( 3000, fProc, SLOT( kill() ) );
+  }
+  if (fProc->isRunning()) { // try low level kill
+    char cmd[128];
+    sprintf(cmd, "kill -9 %ld", fProcPID);
+    system(cmd);
+  }
+  if (fProc) {
+    delete fProc;
+    fProc = 0;
+  }
+}
+
+//----------------------------------------------------------------------------------------------------
+/**
+ * <p>
+ */
+void PDumpOutputHandler::readFromStdOut()
+{
+  // Read and process the data.
+  // Bear in mind that the data might be output in chunks.
+  fOutput->append( fProc->readStdout() );
+}
+
+//----------------------------------------------------------------------------------------------------
+/**
+ * <p>
+ */
+void PDumpOutputHandler::readFromStdErr()
+{
+  // Read and process the data.
+  // Bear in mind that the data might be output in chunks.
+  fOutput->append( fProc->readStderr() );
+}
+
+//----------------------------------------------------------------------------------------------------
+/**
+ * <p>
+ */
+void PDumpOutputHandler::quitButtonPressed()
+{
+  // if the fitting is still taking place, kill it
+  if (fProc->isRunning()) {
+    fProc->tryTerminate();
+    QTimer::singleShot( 1000, fProc, SLOT( kill() ) );
+  }
+
+  accept();
+}
+
+//----------------------------------------------------------------------------------------------------
+// END
+//----------------------------------------------------------------------------------------------------