/[svn]/qsampler/trunk/src/qsamplerMessages.cpp
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revision 1738 by capela, Wed May 14 15:24:22 2008 UTC revision 2669 by capela, Sun Aug 3 16:56:18 2014 UTC
# Line 1  Line 1 
1  // qsamplerMessages.cpp  // qsamplerMessages.cpp
2  //  //
3  /****************************************************************************  /****************************************************************************
4     Copyright (C) 2004-2008, rncbc aka Rui Nuno Capela. All rights reserved.     Copyright (C) 2004-2014, rncbc aka Rui Nuno Capela. All rights reserved.
5     Copyright (C) 2007, Christian Schoenebeck     Copyright (C) 2007, Christian Schoenebeck
6    
7     This program is free software; you can redistribute it and/or     This program is free software; you can redistribute it and/or
# Line 36  Line 36 
36    
37  #if !defined(WIN32)  #if !defined(WIN32)
38  #include <unistd.h>  #include <unistd.h>
39    #include <fcntl.h>
40  #endif  #endif
41    
42    
# Line 49  namespace QSampler { Line 50  namespace QSampler {
50  #define QSAMPLER_MESSAGES_FDREAD    0  #define QSAMPLER_MESSAGES_FDREAD    0
51  #define QSAMPLER_MESSAGES_FDWRITE   1  #define QSAMPLER_MESSAGES_FDWRITE   1
52    
53    
54  //-------------------------------------------------------------------------  //-------------------------------------------------------------------------
55  // QSampler::Messages - Messages log dockable window.  // QSampler::Messages - Messages log dockable window.
56  //  //
57    
58  // Constructor.  // Constructor.
59  Messages::Messages ( QWidget *pParent )  Messages::Messages ( QWidget *pParent )
60      : QDockWidget(pParent)          : QDockWidget(pParent)
61  {  {
62          // Surely a name is crucial (e.g.for storing geometry settings)          // Surely a name is crucial (e.g.for storing geometry settings)
63          QDockWidget::setObjectName("qsamplerMessages");          QDockWidget::setObjectName("qsamplerMessages");
64    
65      // Intialize stdout capture stuff.          // Intialize stdout capture stuff.
66      m_pStdoutNotifier = NULL;          m_pStdoutNotifier = NULL;
67      m_fdStdout[QSAMPLER_MESSAGES_FDREAD]  = QSAMPLER_MESSAGES_FDNIL;          m_fdStdout[QSAMPLER_MESSAGES_FDREAD]  = QSAMPLER_MESSAGES_FDNIL;
68      m_fdStdout[QSAMPLER_MESSAGES_FDWRITE] = QSAMPLER_MESSAGES_FDNIL;          m_fdStdout[QSAMPLER_MESSAGES_FDWRITE] = QSAMPLER_MESSAGES_FDNIL;
69    
70          // Create local text view widget.          // Create local text view widget.
71          m_pMessagesTextView = new QTextEdit(this);          m_pMessagesTextView = new QTextEdit(this);
# Line 100  Messages::Messages ( QWidget *pParent ) Line 102  Messages::Messages ( QWidget *pParent )
102  // Destructor.  // Destructor.
103  Messages::~Messages (void)  Messages::~Messages (void)
104  {  {
105            // Turn off and close logging.
106          setLogging(false);          setLogging(false);
107    
108      // No more notifications.          // No more notifications.
109      if (m_pStdoutNotifier)          if (m_pStdoutNotifier)
110          delete m_pStdoutNotifier;                  delete m_pStdoutNotifier;
   
     // No need to delete child widgets, Qt does it all for us.  
 }  
   
111    
112  void Messages::showEvent ( QShowEvent *pEvent )          // No need to delete child widgets, Qt does it all for us.
 {  
     QDockWidget::showEvent(pEvent);  
     emit visibilityChanged(isVisible());  
113  }  }
114    
115    
# Line 121  void Messages::showEvent ( QShowEvent *p Line 117  void Messages::showEvent ( QShowEvent *p
117  void Messages::stdoutNotify ( int fd )  void Messages::stdoutNotify ( int fd )
118  {  {
119  #if !defined(WIN32)  #if !defined(WIN32)
120      char achBuffer[1024];          // Set non-blocking reads, if not already...
121      int  cchBuffer = ::read(fd, achBuffer, sizeof(achBuffer) - 1);          const int iFlags = ::fcntl(fd, F_GETFL, 0);
122      if (cchBuffer > 0) {          int iBlock = ((iFlags & O_NONBLOCK) == 0);
123          achBuffer[cchBuffer] = (char) 0;          if (iBlock)
124          appendStdoutBuffer(achBuffer);                  iBlock = ::fcntl(fd, F_SETFL, iFlags | O_NONBLOCK);
125      }          // Read as much as is available...
126            QString sTemp;
127            char achBuffer[1024];
128            const int cchBuffer = sizeof(achBuffer) - 1;
129            int cchRead = ::read(fd, achBuffer, cchBuffer);
130            while (cchRead > 0) {
131                    achBuffer[cchRead] = (char) 0;
132                    sTemp.append(achBuffer);
133                    cchRead = (iBlock ? 0 : ::read(fd, achBuffer, cchBuffer));
134            }
135            // Needs to be non-empty...
136            if (!sTemp.isEmpty())
137                    appendStdoutBuffer(sTemp);
138  #endif  #endif
139  }  }
140    
# Line 136  void Messages::appendStdoutBuffer ( cons Line 144  void Messages::appendStdoutBuffer ( cons
144  {  {
145          m_sStdoutBuffer.append(s);          m_sStdoutBuffer.append(s);
146    
147          int iLength = m_sStdoutBuffer.lastIndexOf('\n');          const int iLength = m_sStdoutBuffer.lastIndexOf('\n');
148          if (iLength > 0) {          if (iLength > 0) {
149                  QString sTemp = m_sStdoutBuffer.left(iLength);                  const QString& sTemp = m_sStdoutBuffer.left(iLength);
150                  m_sStdoutBuffer.remove(0, iLength + 1);                  m_sStdoutBuffer.remove(0, iLength + 1);
151                  QStringList list = sTemp.split('\n');                  QStringList list = sTemp.split('\n');
152                  QStringListIterator iter(list);                  QStringListIterator iter(list);
# Line 151  void Messages::appendStdoutBuffer ( cons Line 159  void Messages::appendStdoutBuffer ( cons
159  // Stdout flusher -- show up any unfinished line...  // Stdout flusher -- show up any unfinished line...
160  void Messages::flushStdoutBuffer (void)  void Messages::flushStdoutBuffer (void)
161  {  {
162      if (!m_sStdoutBuffer.isEmpty()) {          if (!m_sStdoutBuffer.isEmpty()) {
163          appendMessagesText(m_sStdoutBuffer);                  appendMessagesText(m_sStdoutBuffer);
164          m_sStdoutBuffer.truncate(0);                  m_sStdoutBuffer.clear();
165      }          }
166  }  }
167    
168    
169  // Stdout capture accessors.  // Stdout capture accessors.
170  bool Messages::isCaptureEnabled (void)  bool Messages::isCaptureEnabled (void)
171  {  {
172      return (bool) (m_pStdoutNotifier != NULL);          return (m_pStdoutNotifier != NULL);
173  }  }
174    
175  void Messages::setCaptureEnabled ( bool bCapture )  void Messages::setCaptureEnabled ( bool bCapture )
176  {  {
177      // Flush current buffer.          // Flush current buffer.
178      flushStdoutBuffer();          flushStdoutBuffer();
179    
180  #if !defined(WIN32)  #if !defined(WIN32)
181          // Destroy if already enabled.          // Destroy if already enabled.
# Line 179  void Messages::setCaptureEnabled ( bool Line 187  void Messages::setCaptureEnabled ( bool
187                          ::close(m_fdStdout[QSAMPLER_MESSAGES_FDREAD]);                          ::close(m_fdStdout[QSAMPLER_MESSAGES_FDREAD]);
188                          m_fdStdout[QSAMPLER_MESSAGES_FDREAD]  = QSAMPLER_MESSAGES_FDNIL;                          m_fdStdout[QSAMPLER_MESSAGES_FDREAD]  = QSAMPLER_MESSAGES_FDNIL;
189                  }                  }
                 if (m_fdStdout[QSAMPLER_MESSAGES_FDREAD] != QSAMPLER_MESSAGES_FDNIL) {  
                         ::close(m_fdStdout[QSAMPLER_MESSAGES_FDREAD]);  
                         m_fdStdout[QSAMPLER_MESSAGES_FDREAD]  = QSAMPLER_MESSAGES_FDNIL;  
                 }  
190          }          }
191          // Are we going to make up the capture?          // Are we going to make up the capture?
192          if (bCapture && m_pStdoutNotifier == NULL && ::pipe(m_fdStdout) == 0) {          if (bCapture && m_pStdoutNotifier == NULL && ::pipe(m_fdStdout) == 0) {
# Line 201  void Messages::setCaptureEnabled ( bool Line 205  void Messages::setCaptureEnabled ( bool
205  // Message font accessors.  // Message font accessors.
206  QFont Messages::messagesFont (void)  QFont Messages::messagesFont (void)
207  {  {
208      return m_pMessagesTextView->font();          return m_pMessagesTextView->font();
209  }  }
210    
211  void Messages::setMessagesFont ( const QFont& font )  void Messages::setMessagesFont ( const QFont& font )
212  {  {
213      m_pMessagesTextView->setFont(font);          m_pMessagesTextView->setFont(font);
214  }  }
215    
216    
217  // Maximum number of message lines accessors.  // Maximum number of message lines accessors.
218  int Messages::messagesLimit (void)  int Messages::messagesLimit (void)
219  {  {
220      return m_iMessagesLimit;          return m_iMessagesLimit;
221  }  }
222    
223  void Messages::setMessagesLimit ( int iMessagesLimit )  void Messages::setMessagesLimit ( int iMessagesLimit )
224  {  {
225      m_iMessagesLimit = iMessagesLimit;          m_iMessagesLimit = iMessagesLimit;
226      m_iMessagesHigh  = iMessagesLimit + (iMessagesLimit / 3);          m_iMessagesHigh  = iMessagesLimit + (iMessagesLimit / 3);
227  }  }
228    
229  // Messages logging stuff.  // Messages logging stuff.
# Line 287  void Messages::appendMessagesLine ( cons Line 291  void Messages::appendMessagesLine ( cons
291  // The main utility methods.  // The main utility methods.
292  void Messages::appendMessages ( const QString& s )  void Messages::appendMessages ( const QString& s )
293  {  {
294      appendMessagesColor(s, "#999999");          appendMessagesColor(s, "#999999");
295  }  }
296    
297  void Messages::appendMessagesColor ( const QString& s, const QString &c )  void Messages::appendMessagesColor ( const QString& s, const QString &c )
298  {  {
299          QString sText = QTime::currentTime().toString("hh:mm:ss.zzz") + ' ' + s;          const QString& sText
300                            = QTime::currentTime().toString("hh:mm:ss.zzz") + ' ' + s;
301          appendMessagesLine("<font color=\"" + c + "\">" + sText + "</font>");          appendMessagesLine("<font color=\"" + c + "\">" + sText + "</font>");
302          appendMessagesLog(sText);          appendMessagesLog(sText);
303  }  }
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