/[svn]/qsampler/trunk/src/qsamplerMessages.cpp
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revision 1464 by capela, Thu Nov 1 17:14:21 2007 UTC revision 1465 by capela, Thu Nov 1 17:49:27 2007 UTC
# Line 20  Line 20 
20    
21  *****************************************************************************/  *****************************************************************************/
22    
23    #include "qsamplerAbout.h"
24  #include "qsamplerMessages.h"  #include "qsamplerMessages.h"
25    
26  #include <qsocketnotifier.h>  #include <QSocketNotifier>
27  #include <qstringlist.h>  #include <QTextEdit>
28  #include <qtextedit.h>  #include <QTextCursor>
29  #include <qdatetime.h>  #include <QTextBlock>
 #include <qtooltip.h>  
 #include <qpixmap.h>  
   
 #include <QDockWidget>  
30  #include <QScrollBar>  #include <QScrollBar>
31    #include <QDateTime>
32  #include "config.h"  #include <QIcon>
33    
34  #if !defined(WIN32)  #if !defined(WIN32)
35  #include <unistd.h>  #include <unistd.h>
# Line 52  Line 49 
49  //  //
50    
51  // Constructor.  // Constructor.
52  qsamplerMessages::qsamplerMessages ( QWidget *pParent, const char *pszName )  qsamplerMessages::qsamplerMessages ( QWidget *pParent )
53      : QDockWidget(pszName, pParent)      : QDockWidget(pParent)
54  {  {
55            // Surely a name is crucial (e.g.for storing geometry settings)
56            QDockWidget::setObjectName("qsamplerMessages");
57    
58      // Intialize stdout capture stuff.      // Intialize stdout capture stuff.
59      m_pStdoutNotifier = NULL;      m_pStdoutNotifier = NULL;
60      m_fdStdout[QSAMPLER_MESSAGES_FDREAD]  = QSAMPLER_MESSAGES_FDNIL;      m_fdStdout[QSAMPLER_MESSAGES_FDREAD]  = QSAMPLER_MESSAGES_FDNIL;
61      m_fdStdout[QSAMPLER_MESSAGES_FDWRITE] = QSAMPLER_MESSAGES_FDNIL;      m_fdStdout[QSAMPLER_MESSAGES_FDWRITE] = QSAMPLER_MESSAGES_FDNIL;
62    
63      // Surely a name is crucial (e.g.for storing geometry settings)          // Create local text view widget.
64      if (pszName == 0)          m_pTextView = new QTextEdit(this);
         QDockWidget::setName("qsamplerMessages");  
   
     // Create local text view widget.  
     m_pTextView = new QTextEdit(this);  
65  //  QFont font(m_pTextView->font());  //  QFont font(m_pTextView->font());
66  //  font.setFamily("Fixed");  //  font.setFamily("Fixed");
67  //  m_pTextView->setFont(font);  //  m_pTextView->setFont(font);
68      m_pTextView->setWordWrapMode(QTextOption::NoWrap);          m_pTextView->setLineWrapMode(QTextEdit::NoWrap);
69      m_pTextView->setReadOnly(true);          m_pTextView->setReadOnly(true);
70      m_pTextView->setUndoRedoEnabled(false);          m_pTextView->setUndoRedoEnabled(false);
71  #if QT_VERSION >= 0x030200  //      m_pTextView->setTextFormat(Qt::LogText);
72      m_pTextView->setTextFormat(Qt::LogText);  
73  #endif          // Initialize default message limit.
74      // Initialize default message limit.          m_iMessagesLines = 0;
75      setMessagesLimit(QSAMPLER_MESSAGES_MAXLINES);          setMessagesLimit(QSAMPLER_MESSAGES_MAXLINES);
76    
77      // Prepare the dockable window stuff.          // Prepare the dockable window stuff.
78      QDockWidget::setWidget(m_pTextView);          QDockWidget::setWidget(m_pTextView);
79      //QDockWidget::setOrientation(Qt::Horizontal);          QDockWidget::setFeatures(QDockWidget::AllDockWidgetFeatures);
80      QDockWidget::setFeatures(          QDockWidget::setAllowedAreas(
81          QDockWidget::DockWidgetClosable                  Qt::TopDockWidgetArea | Qt::BottomDockWidgetArea);
     );  
     //QDockWidget::setResizeEnabled(true);  
82          // Some specialties to this kind of dock window...          // Some specialties to this kind of dock window...
83          //QDockWidget::setFixedExtentHeight(120);          QDockWidget::setMinimumHeight(120);
84    
85      // Finally set the default caption and tooltip.          // Finally set the default caption and tooltip.
86      QString sCaption = tr("Messages");          const QString& sCaption = tr("Messages");
87      QToolTip::add(this, sCaption);          QDockWidget::setWindowTitle(sCaption);
88      QDockWidget::setWindowIconText(sCaption);  //      QDockWidget::setWindowIcon(QIcon(":/icons/qsamplerMessages.png"));
89            QDockWidget::setToolTip(sCaption);
90  }  }
91    
92    
# Line 123  void qsamplerMessages::stdoutNotify ( in Line 118  void qsamplerMessages::stdoutNotify ( in
118  // Stdout buffer handler -- now splitted by complete new-lines...  // Stdout buffer handler -- now splitted by complete new-lines...
119  void qsamplerMessages::appendStdoutBuffer ( const QString& s )  void qsamplerMessages::appendStdoutBuffer ( const QString& s )
120  {  {
121      m_sStdoutBuffer.append(s);          m_sStdoutBuffer.append(s);
122    
123      int iLength = m_sStdoutBuffer.findRev('\n') + 1;          int iLength = m_sStdoutBuffer.lastIndexOf('\n') + 1;
124      if (iLength > 0) {          if (iLength > 0) {
125          QString sTemp = m_sStdoutBuffer.left(iLength);                  QString sTemp = m_sStdoutBuffer.left(iLength);
126          m_sStdoutBuffer.remove(0, iLength);                  m_sStdoutBuffer.remove(0, iLength);
127          QStringList list = QStringList::split('\n', sTemp, true);                  QStringList list = sTemp.split('\n');
128          for (QStringList::Iterator iter = list.begin(); iter != list.end(); iter++)                  QStringListIterator iter(list);
129              appendMessagesText(*iter);                  while (iter.hasNext())
130      }                          appendMessagesText(iter.next());
131            }
132  }  }
133    
134    
# Line 158  void qsamplerMessages::setCaptureEnabled Line 154  void qsamplerMessages::setCaptureEnabled
154      flushStdoutBuffer();      flushStdoutBuffer();
155    
156  #if !defined(WIN32)  #if !defined(WIN32)
157      // Destroy if already enabled.          // Destroy if already enabled.
158      if (!bCapture && m_pStdoutNotifier) {          if (!bCapture && m_pStdoutNotifier) {
159          delete m_pStdoutNotifier;                  delete m_pStdoutNotifier;
160          m_pStdoutNotifier = NULL;                  m_pStdoutNotifier = NULL;
161          // Close the notification pipes.                  // Close the notification pipes.
162          if (m_fdStdout[QSAMPLER_MESSAGES_FDREAD] != QSAMPLER_MESSAGES_FDNIL) {                  if (m_fdStdout[QSAMPLER_MESSAGES_FDREAD] != QSAMPLER_MESSAGES_FDNIL) {
163              ::close(m_fdStdout[QSAMPLER_MESSAGES_FDREAD]);                          ::close(m_fdStdout[QSAMPLER_MESSAGES_FDREAD]);
164              m_fdStdout[QSAMPLER_MESSAGES_FDREAD]  = QSAMPLER_MESSAGES_FDNIL;                          m_fdStdout[QSAMPLER_MESSAGES_FDREAD]  = QSAMPLER_MESSAGES_FDNIL;
165          }                  }
166          if (m_fdStdout[QSAMPLER_MESSAGES_FDREAD] != QSAMPLER_MESSAGES_FDNIL) {                  if (m_fdStdout[QSAMPLER_MESSAGES_FDREAD] != QSAMPLER_MESSAGES_FDNIL) {
167              ::close(m_fdStdout[QSAMPLER_MESSAGES_FDREAD]);                          ::close(m_fdStdout[QSAMPLER_MESSAGES_FDREAD]);
168              m_fdStdout[QSAMPLER_MESSAGES_FDREAD]  = QSAMPLER_MESSAGES_FDNIL;                          m_fdStdout[QSAMPLER_MESSAGES_FDREAD]  = QSAMPLER_MESSAGES_FDNIL;
169          }                  }
170      }          }
171      // Are we going to make up the capture?          // Are we going to make up the capture?
172      if (bCapture && m_pStdoutNotifier == NULL && ::pipe(m_fdStdout) == 0) {          if (bCapture && m_pStdoutNotifier == NULL && ::pipe(m_fdStdout) == 0) {
173          ::dup2(m_fdStdout[QSAMPLER_MESSAGES_FDWRITE], STDOUT_FILENO);                  ::dup2(m_fdStdout[QSAMPLER_MESSAGES_FDWRITE], STDOUT_FILENO);
174          ::dup2(m_fdStdout[QSAMPLER_MESSAGES_FDWRITE], STDERR_FILENO);                  ::dup2(m_fdStdout[QSAMPLER_MESSAGES_FDWRITE], STDERR_FILENO);
175          m_pStdoutNotifier = new QSocketNotifier(m_fdStdout[QSAMPLER_MESSAGES_FDREAD], QSocketNotifier::Read, this);                  m_pStdoutNotifier = new QSocketNotifier(
176          QObject::connect(m_pStdoutNotifier, SIGNAL(activated(int)), this, SLOT(stdoutNotify(int)));                          m_fdStdout[QSAMPLER_MESSAGES_FDREAD], QSocketNotifier::Read, this);
177      }                  QObject::connect(m_pStdoutNotifier,
178                            SIGNAL(activated(int)),
179                            SLOT(stdoutNotify(int)));
180            }
181  #endif  #endif
182  }  }
183    
# Line 205  void qsamplerMessages::setMessagesLimit Line 204  void qsamplerMessages::setMessagesLimit
204  {  {
205      m_iMessagesLimit = iMessagesLimit;      m_iMessagesLimit = iMessagesLimit;
206      m_iMessagesHigh  = iMessagesLimit + (iMessagesLimit / 3);      m_iMessagesHigh  = iMessagesLimit + (iMessagesLimit / 3);
 #if QT_VERSION >= 0x030200  
         //m_pTextView->setMaxLogLines(iMessagesLimit);  
 #endif  
207  }  }
208    
209    
# Line 219  void qsamplerMessages::appendMessages ( Line 215  void qsamplerMessages::appendMessages (
215    
216  void qsamplerMessages::appendMessagesColor ( const QString& s, const QString &c )  void qsamplerMessages::appendMessagesColor ( const QString& s, const QString &c )
217  {  {
218      appendMessagesText("<font color=\"" + c + "\">" + QTime::currentTime().toString("hh:mm:ss.zzz") + " " + s + "</font>");          appendMessagesText("<font color=\"" + c + "\">"
219                    + QTime::currentTime().toString("hh:mm:ss.zzz")
220                    + ' ' + s + "</font>");
221  }  }
222    
223  void qsamplerMessages::appendMessagesText ( const QString& s )  void qsamplerMessages::appendMessagesText ( const QString& s )
224  {  {
 #if QT_VERSION < 0x030200  
225      // Check for message line limit...      // Check for message line limit...
226      if (m_iMessagesLimit > 0) {      if (m_iMessagesLines > m_iMessagesHigh) {
227          int iParagraphs = m_pTextView->paragraphs();                  m_pTextView->setUpdatesEnabled(false);
228          if (iParagraphs > m_iMessagesHigh) {                  QTextCursor textCursor(m_pTextView->document()->begin());
229              m_pTextView->setUpdatesEnabled(false);                  while (m_iMessagesLines > m_iMessagesLimit) {
230              while (iParagraphs > m_iMessagesLimit) {                          // Move cursor extending selection
231                  m_pTextView->removeParagraph(0);                          // from start to next line-block...
232                  iParagraphs--;                          textCursor.movePosition(
233              }                                  QTextCursor::NextBlock, QTextCursor::KeepAnchor);
234              m_pTextView->scrollToBottom();                          m_iMessagesLines--;
235              m_pTextView->setUpdatesEnabled(true);                  }
236          }                  // Remove the excessive line-blocks...
237      }                  textCursor.removeSelectedText();
238  #endif                  m_pTextView->setUpdatesEnabled(true);
239      m_pTextView->append(s);      }
240    
241            // Count always as a new line out there...
242            m_pTextView->append(s);
243            m_iMessagesLines++;
244  }  }
245    
246    
247  // One time scroll to the most recent message.  // History reset.
248  void qsamplerMessages::scrollToBottom (void)  void qsamplerMessages::clear (void)
249  {  {
250      flushStdoutBuffer();          m_iMessagesLines = 0;
251      //m_pTextView->scrollToBottom();          m_pTextView->clear();
     m_pTextView->verticalScrollBar()->setValue(m_pTextView->verticalScrollBar()->maximum());  
252  }  }
253    
254    
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