/[svn]/qsampler/trunk/src/qsamplerMessages.cpp
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revision 1474 by schoenebeck, Mon Nov 5 20:47:38 2007 UTC revision 2459 by capela, Mon Jul 8 10:06:57 2013 UTC
# Line 1  Line 1 
1  // qsamplerMessages.cpp  // qsamplerMessages.cpp
2  //  //
3  /****************************************************************************  /****************************************************************************
4     Copyright (C) 2004-2007, rncbc aka Rui Nuno Capela. All rights reserved.     Copyright (C) 2004-2013, 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 24  Line 24 
24  #include "qsamplerMessages.h"  #include "qsamplerMessages.h"
25    
26  #include <QSocketNotifier>  #include <QSocketNotifier>
27    
28    #include <QFile>
29  #include <QTextEdit>  #include <QTextEdit>
30  #include <QTextCursor>  #include <QTextCursor>
31    #include <QTextStream>
32  #include <QTextBlock>  #include <QTextBlock>
33  #include <QScrollBar>  #include <QScrollBar>
34  #include <QDateTime>  #include <QDateTime>
# Line 35  Line 38 
38  #include <unistd.h>  #include <unistd.h>
39  #endif  #endif
40    
41    
42    namespace QSampler {
43    
44  // The default maximum number of message lines.  // The default maximum number of message lines.
45  #define QSAMPLER_MESSAGES_MAXLINES  1000  #define QSAMPLER_MESSAGES_MAXLINES  1000
46    
# Line 43  Line 49 
49  #define QSAMPLER_MESSAGES_FDREAD    0  #define QSAMPLER_MESSAGES_FDREAD    0
50  #define QSAMPLER_MESSAGES_FDWRITE   1  #define QSAMPLER_MESSAGES_FDWRITE   1
51    
   
52  //-------------------------------------------------------------------------  //-------------------------------------------------------------------------
53  // qsamplerMessages - Messages log dockable window.  // QSampler::Messages - Messages log dockable window.
54  //  //
55    
56  // Constructor.  // Constructor.
57  qsamplerMessages::qsamplerMessages ( QWidget *pParent )  Messages::Messages ( QWidget *pParent )
58      : QDockWidget(pParent)          : QDockWidget(pParent)
59  {  {
60          // Surely a name is crucial (e.g.for storing geometry settings)          // Surely a name is crucial (e.g.for storing geometry settings)
61          QDockWidget::setObjectName("qsamplerMessages");          QDockWidget::setObjectName("qsamplerMessages");
62    
63      // Intialize stdout capture stuff.          // Intialize stdout capture stuff.
64      m_pStdoutNotifier = NULL;          m_pStdoutNotifier = NULL;
65      m_fdStdout[QSAMPLER_MESSAGES_FDREAD]  = QSAMPLER_MESSAGES_FDNIL;          m_fdStdout[QSAMPLER_MESSAGES_FDREAD]  = QSAMPLER_MESSAGES_FDNIL;
66      m_fdStdout[QSAMPLER_MESSAGES_FDWRITE] = QSAMPLER_MESSAGES_FDNIL;          m_fdStdout[QSAMPLER_MESSAGES_FDWRITE] = QSAMPLER_MESSAGES_FDNIL;
67    
68          // Create local text view widget.          // Create local text view widget.
69          m_pTextView = new QTextEdit(this);          m_pMessagesTextView = new QTextEdit(this);
70  //  QFont font(m_pTextView->font());  //  QFont font(m_pMessagesTextView->font());
71  //  font.setFamily("Fixed");  //  font.setFamily("Fixed");
72  //  m_pTextView->setFont(font);  //  m_pMessagesTextView->setFont(font);
73          m_pTextView->setLineWrapMode(QTextEdit::NoWrap);          m_pMessagesTextView->setLineWrapMode(QTextEdit::NoWrap);
74          m_pTextView->setReadOnly(true);          m_pMessagesTextView->setReadOnly(true);
75          m_pTextView->setUndoRedoEnabled(false);          m_pMessagesTextView->setUndoRedoEnabled(false);
76  //      m_pTextView->setTextFormat(Qt::LogText);  //      m_pMessagesTextView->setTextFormat(Qt::LogText);
77    
78          // Initialize default message limit.          // Initialize default message limit.
79          m_iMessagesLines = 0;          m_iMessagesLines = 0;
80          setMessagesLimit(QSAMPLER_MESSAGES_MAXLINES);          setMessagesLimit(QSAMPLER_MESSAGES_MAXLINES);
81    
82            m_pMessagesLog = NULL;
83    
84          // Prepare the dockable window stuff.          // Prepare the dockable window stuff.
85          QDockWidget::setWidget(m_pTextView);          QDockWidget::setWidget(m_pMessagesTextView);
86          QDockWidget::setFeatures(QDockWidget::AllDockWidgetFeatures);          QDockWidget::setFeatures(QDockWidget::AllDockWidgetFeatures);
87          QDockWidget::setAllowedAreas(          QDockWidget::setAllowedAreas(
88                  Qt::TopDockWidgetArea | Qt::BottomDockWidgetArea);                  Qt::TopDockWidgetArea | Qt::BottomDockWidgetArea);
# Line 91  qsamplerMessages::qsamplerMessages ( QWi Line 98  qsamplerMessages::qsamplerMessages ( QWi
98    
99    
100  // Destructor.  // Destructor.
101  qsamplerMessages::~qsamplerMessages (void)  Messages::~Messages (void)
102  {  {
103      // No more notifications.          // Turn off and close logging.
104      if (m_pStdoutNotifier)          setLogging(false);
         delete m_pStdoutNotifier;  
   
     // No need to delete child widgets, Qt does it all for us.  
 }  
105    
106            // No more notifications.
107            if (m_pStdoutNotifier)
108                    delete m_pStdoutNotifier;
109    
110  void qsamplerMessages::showEvent (QShowEvent* event)          // No need to delete child widgets, Qt does it all for us.
 {  
     QDockWidget::showEvent(event);  
     emit visibilityChanged(isVisible());  
111  }  }
112    
113    
114  // Own stdout/stderr socket notifier slot.  // Own stdout/stderr socket notifier slot.
115  void qsamplerMessages::stdoutNotify ( int fd )  void Messages::stdoutNotify ( int fd )
116  {  {
117  #if !defined(WIN32)  #if !defined(WIN32)
118      char achBuffer[1024];          char achBuffer[1024];
119      int  cchBuffer = ::read(fd, achBuffer, sizeof(achBuffer) - 1);          int  cchBuffer = ::read(fd, achBuffer, sizeof(achBuffer) - 1);
120      if (cchBuffer > 0) {          if (cchBuffer > 0) {
121          achBuffer[cchBuffer] = (char) 0;                  achBuffer[cchBuffer] = (char) 0;
122          appendStdoutBuffer(achBuffer);                  appendStdoutBuffer(achBuffer);
123      }          }
124  #endif  #endif
125  }  }
126    
127    
128  // Stdout buffer handler -- now splitted by complete new-lines...  // Stdout buffer handler -- now splitted by complete new-lines...
129  void qsamplerMessages::appendStdoutBuffer ( const QString& s )  void Messages::appendStdoutBuffer ( const QString& s )
130  {  {
131          m_sStdoutBuffer.append(s);          m_sStdoutBuffer.append(s);
132    
# Line 140  void qsamplerMessages::appendStdoutBuffe Line 143  void qsamplerMessages::appendStdoutBuffe
143    
144    
145  // Stdout flusher -- show up any unfinished line...  // Stdout flusher -- show up any unfinished line...
146  void qsamplerMessages::flushStdoutBuffer (void)  void Messages::flushStdoutBuffer (void)
147  {  {
148      if (!m_sStdoutBuffer.isEmpty()) {          if (!m_sStdoutBuffer.isEmpty()) {
149          appendMessagesText(m_sStdoutBuffer);                  appendMessagesText(m_sStdoutBuffer);
150          m_sStdoutBuffer.truncate(0);                  m_sStdoutBuffer.truncate(0);
151      }          }
152  }  }
153    
154    
155  // Stdout capture accessors.  // Stdout capture accessors.
156  bool qsamplerMessages::isCaptureEnabled (void)  bool Messages::isCaptureEnabled (void)
157  {  {
158      return (bool) (m_pStdoutNotifier != NULL);          return (bool) (m_pStdoutNotifier != NULL);
159  }  }
160    
161  void qsamplerMessages::setCaptureEnabled ( bool bCapture )  void Messages::setCaptureEnabled ( bool bCapture )
162  {  {
163      // Flush current buffer.          // Flush current buffer.
164      flushStdoutBuffer();          flushStdoutBuffer();
165    
166  #if !defined(WIN32)  #if !defined(WIN32)
167          // Destroy if already enabled.          // Destroy if already enabled.
# Line 190  void qsamplerMessages::setCaptureEnabled Line 193  void qsamplerMessages::setCaptureEnabled
193    
194    
195  // Message font accessors.  // Message font accessors.
196  QFont qsamplerMessages::messagesFont (void)  QFont Messages::messagesFont (void)
197  {  {
198      return m_pTextView->font();          return m_pMessagesTextView->font();
199  }  }
200    
201  void qsamplerMessages::setMessagesFont( const QFont& font )  void Messages::setMessagesFont ( const QFont& font )
202  {  {
203      m_pTextView->setFont(font);          m_pMessagesTextView->setFont(font);
204  }  }
205    
206    
207  // Maximum number of message lines accessors.  // Maximum number of message lines accessors.
208  int qsamplerMessages::messagesLimit (void)  int Messages::messagesLimit (void)
209  {  {
210      return m_iMessagesLimit;          return m_iMessagesLimit;
211  }  }
212    
213  void qsamplerMessages::setMessagesLimit ( int iMessagesLimit )  void Messages::setMessagesLimit ( int iMessagesLimit )
214  {  {
215      m_iMessagesLimit = iMessagesLimit;          m_iMessagesLimit = iMessagesLimit;
216      m_iMessagesHigh  = iMessagesLimit + (iMessagesLimit / 3);          m_iMessagesHigh  = iMessagesLimit + (iMessagesLimit / 3);
217  }  }
218    
219    // Messages logging stuff.
220    bool Messages::isLogging (void) const
221    {
222            return (m_pMessagesLog != NULL);
223    }
224    
225  // The main utility methods.  void Messages::setLogging ( bool bEnabled, const QString& sFilename )
 void qsamplerMessages::appendMessages ( const QString& s )  
226  {  {
227      appendMessagesColor(s, "#999999");          if (m_pMessagesLog) {
228                    appendMessages(tr("Logging stopped --- %1 ---")
229                            .arg(QDateTime::currentDateTime().toString()));
230                    m_pMessagesLog->close();
231                    delete m_pMessagesLog;
232                    m_pMessagesLog = NULL;
233            }
234    
235            if (bEnabled) {
236                    m_pMessagesLog = new QFile(sFilename);
237                    if (m_pMessagesLog->open(QIODevice::Text | QIODevice::Append)) {
238                            appendMessages(tr("Logging started --- %1 ---")
239                                    .arg(QDateTime::currentDateTime().toString()));
240                    } else {
241                            delete m_pMessagesLog;
242                            m_pMessagesLog = NULL;
243                    }
244            }
245  }  }
246    
247  void qsamplerMessages::appendMessagesColor ( const QString& s, const QString &c )  
248    // Messages log output method.
249    void Messages::appendMessagesLog ( const QString& s )
250  {  {
251          appendMessagesText("<font color=\"" + c + "\">"          if (m_pMessagesLog) {
252                  + QTime::currentTime().toString("hh:mm:ss.zzz")                  QTextStream(m_pMessagesLog) << s << endl;
253                  + ' ' + s + "</font>");                  m_pMessagesLog->flush();
254            }
255  }  }
256    
257  void qsamplerMessages::appendMessagesText ( const QString& s )  // Messages widget output method.
258    void Messages::appendMessagesLine ( const QString& s )
259  {  {
260      // Check for message line limit...          // Check for message line limit...
261      if (m_iMessagesLines > m_iMessagesHigh) {          if (m_iMessagesLines > m_iMessagesHigh) {
262                  m_pTextView->setUpdatesEnabled(false);                  m_pMessagesTextView->setUpdatesEnabled(false);
263                  QTextCursor textCursor(m_pTextView->document()->begin());                  QTextCursor textCursor(m_pMessagesTextView->document()->begin());
264                  while (m_iMessagesLines > m_iMessagesLimit) {                  while (m_iMessagesLines > m_iMessagesLimit) {
265                          // Move cursor extending selection                          // Move cursor extending selection
266                          // from start to next line-block...                          // from start to next line-block...
# Line 242  void qsamplerMessages::appendMessagesTex Line 270  void qsamplerMessages::appendMessagesTex
270                  }                  }
271                  // Remove the excessive line-blocks...                  // Remove the excessive line-blocks...
272                  textCursor.removeSelectedText();                  textCursor.removeSelectedText();
273                  m_pTextView->setUpdatesEnabled(true);                  m_pMessagesTextView->setUpdatesEnabled(true);
274      }          }
275    
276          // Count always as a new line out there...          m_pMessagesTextView->append(s);
         m_pTextView->append(s);  
277          m_iMessagesLines++;          m_iMessagesLines++;
278  }  }
279    
280    
281    // The main utility methods.
282    void Messages::appendMessages ( const QString& s )
283    {
284            appendMessagesColor(s, "#999999");
285    }
286    
287    void Messages::appendMessagesColor ( const QString& s, const QString &c )
288    {
289            QString sText = QTime::currentTime().toString("hh:mm:ss.zzz") + ' ' + s;
290            appendMessagesLine("<font color=\"" + c + "\">" + sText + "</font>");
291            appendMessagesLog(sText);
292    }
293    
294    void Messages::appendMessagesText ( const QString& s )
295    {
296            appendMessagesLine(s);
297            appendMessagesLog(s);
298    }
299    
300    
301  // History reset.  // History reset.
302  void qsamplerMessages::clear (void)  void Messages::clear (void)
303  {  {
304          m_iMessagesLines = 0;          m_iMessagesLines = 0;
305          m_pTextView->clear();          m_pMessagesTextView->clear();
306  }  }
307    
308    } // namespace QSampler
309    
310    
311  // end of qsamplerMessages.cpp  // end of qsamplerMessages.cpp
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