rbutil/rbutilqt/systrace.cpp

   1 /***************************************************************************
   2  *             __________               __   ___.
   3  *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
   4  *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
   5  *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
   6  *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
   7  *                     \/            \/     \/    \/            \/
   8  *
   9  *   Copyright (C) 2007 by Dominik Riebeling
  10  *   $Id$
  11  *
  12  * All files in this archive are subject to the GNU General Public License.
  13  * See the file COPYING in the source tree root for full license agreement.
  14  *
  15  * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
  16  * KIND, either express or implied.
  17  *
  18  ****************************************************************************/
  19
  20 #include <QtGui>
  21 #include "systrace.h"
  22 #include "ui_systracefrm.h"
  23
  24 #include "rbsettings.h"
  25
  26 QString SysTrace::debugbuffer;
  27
  28 SysTrace::SysTrace(QWidget *parent) : QDialog(parent)
  29 {
  30     ui.setupUi(this);
  31     ui.textTrace->setReadOnly(true);
  32     ui.textTrace->setLayoutDirection(Qt::LeftToRight);
  33     refresh();
  34
  35     connect(ui.buttonClose, SIGNAL(clicked()), this, SLOT(close()));
  36     connect(ui.buttonSave, SIGNAL(clicked()), this, SLOT(saveCurrentTrace()));
  37     connect(ui.buttonSavePrevious, SIGNAL(clicked()), this, SLOT(savePreviousTrace()));
  38     connect(ui.buttonRefresh, SIGNAL(clicked()), this, SLOT(refresh()));
  39 }
  40
  41 void SysTrace::refresh(void)
  42 {
  43     int pos = ui.textTrace->verticalScrollBar()->value();
  44     ui.textTrace->setHtml("<pre>" + debugbuffer + "</pre>");
  45     ui.textTrace->verticalScrollBar()->setValue(pos);
  46     QString oldlog = RbSettings::value(RbSettings::CachePath).toString()
  47                      + "/rbutil-trace.log";
  48     ui.buttonSavePrevious->setEnabled(QFileInfo(oldlog).isFile());
  49 }
  50
  51
  52 void SysTrace::save(QString filename)
  53 {
  54     if(filename.isEmpty())
  55         filename = RbSettings::value(RbSettings::CachePath).toString()
  56                     + "/rbutil-trace.log";
  57     // append save date to the trace. Append it directly instead of using
  58     // qDebug() as the handler might have been unregistered.
  59     debugbuffer.append("[SysTrace] saving trace at ");
  60     debugbuffer.append(QDateTime::currentDateTime().toString(Qt::ISODate));
  61     debugbuffer.append("\n");
  62     QFile fh(filename);
  63     if(!fh.open(QIODevice::WriteOnly))
  64         return;
  65     fh.write(debugbuffer.toUtf8(), debugbuffer.size());
  66     fh.close();
  67 }
  68
  69 void SysTrace::saveCurrentTrace(void)
  70 {
  71     QString fp = QFileDialog::getSaveFileName(this, tr("Save system trace log"),
  72                         QDir::homePath(), "*.log");
  73     if(!fp.isEmpty())
  74         save(fp);
  75 }
  76
  77
  78 void SysTrace::savePreviousTrace(void)
  79 {
  80     QString fp = QFileDialog::getSaveFileName(this, tr("Save system trace log"),
  81                           QDir::homePath(), "*.log");
  82     if(fp.isEmpty())
  83         return;
  84
  85     QString oldlog = RbSettings::value(RbSettings::CachePath).toString()
  86                      + "/rbutil-trace.log";
  87     QFile::copy(oldlog, fp);
  88     return;
  89 }
  90
  91 void SysTrace::debug(QtMsgType type, const char* msg)
  92 {
  93     (void)type;
  94     debugbuffer.append(msg);
  95     debugbuffer.append("\n");
  96 #if !defined(NODEBUG)
  97     fprintf(stderr, "%s\n", msg);
  98 #endif
  99
 100 }
 101