/[svn]/qsampler/trunk/src/qsamplerMainForm.ui.h
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revision 267 by capela, Wed Oct 6 15:42:59 2004 UTC revision 388 by capela, Thu Feb 17 17:27:59 2005 UTC
# Line 2  Line 2 
2  //  //
3  // ui.h extension file, included from the uic-generated form implementation.  // ui.h extension file, included from the uic-generated form implementation.
4  /****************************************************************************  /****************************************************************************
5     Copyright (C) 2004, rncbc aka Rui Nuno Capela. All rights reserved.     Copyright (C) 2004-2005, rncbc aka Rui Nuno Capela. All rights reserved.
6    
7     This program is free software; you can redistribute it and/or     This program is free software; you can redistribute it and/or
8     modify it under the terms of the GNU General Public License     modify it under the terms of the GNU General Public License
# Line 26  Line 26 
26  #include <qprocess.h>  #include <qprocess.h>
27  #include <qmessagebox.h>  #include <qmessagebox.h>
28  #include <qdragobject.h>  #include <qdragobject.h>
29    #include <qregexp.h>
30  #include <qfiledialog.h>  #include <qfiledialog.h>
31  #include <qfileinfo.h>  #include <qfileinfo.h>
32  #include <qfile.h>  #include <qfile.h>
# Line 44  Line 45 
45    
46  #include "config.h"  #include "config.h"
47    
48    #ifdef HAVE_SIGNAL_H
49    #include <signal.h>
50    #endif
51    
52  // Timer constant stuff.  // Timer constant stuff.
53  #define QSAMPLER_TIMER_MSECS    200  #define QSAMPLER_TIMER_MSECS    200
# Line 104  void qsamplerMainForm::init (void) Line 108  void qsamplerMainForm::init (void)
108      m_pMessages = NULL;      m_pMessages = NULL;
109    
110      // We'll start clean.      // We'll start clean.
111      m_iUntitled = 0;      m_iUntitled    = 0;
112      m_iDirtyCount = 0;      m_iDirtyCount  = 0;
113        m_iChangeCount = 0;
114    
115      m_pServer = NULL;      m_pServer = NULL;
116      m_pClient = NULL;      m_pClient = NULL;
# Line 115  void qsamplerMainForm::init (void) Line 120  void qsamplerMainForm::init (void)
120    
121      m_iTimerSlot = 0;      m_iTimerSlot = 0;
122    
123    #ifdef HAVE_SIGNAL_H
124            // Set to ignore any fatal "Broken pipe" signals.
125            ::signal(SIGPIPE, SIG_IGN);
126    #endif
127    
128      // Make it an MDI workspace.      // Make it an MDI workspace.
129      m_pWorkspace = new QWorkspace(this);      m_pWorkspace = new QWorkspace(this);
130      m_pWorkspace->setScrollBarsEnabled(true);      m_pWorkspace->setScrollBarsEnabled(true);
# Line 285  void qsamplerMainForm::closeEvent ( QClo Line 295  void qsamplerMainForm::closeEvent ( QClo
295  }  }
296    
297    
298  // Window drag-n-drop event handlers.  // Drag'n'drop file handler.
299  void qsamplerMainForm::dragEnterEvent ( QDragEnterEvent* pDragEnterEvent )  bool qsamplerMainForm::decodeDragFiles ( const QMimeSource *pEvent, QStringList& files )
300  {  {
301      bool bAccept = false;      bool bDecode = false;
302    
303      if (QTextDrag::canDecode(pDragEnterEvent)) {      if (QTextDrag::canDecode(pEvent)) {
304          QString sUrl;          QString sText;
305          if (QTextDrag::decode(pDragEnterEvent, sUrl) && m_pClient)          bDecode = QTextDrag::decode(pEvent, sText);
306              bAccept = QFileInfo(QUrl(sUrl).path()).exists();          if (bDecode) {
307                files = QStringList::split('\n', sText);
308                for (QStringList::Iterator iter = files.begin(); iter != files.end(); iter++)
309                    *iter = (*iter).stripWhiteSpace().replace(QRegExp("^file:"), QString::null);
310            }
311      }      }
312    
313      pDragEnterEvent->accept(bAccept);      return bDecode;
314    }
315    
316    
317    // Window drag-n-drop event handlers.
318    void qsamplerMainForm::dragEnterEvent ( QDragEnterEvent* pDragEnterEvent )
319    {
320        QStringList files;
321    
322        pDragEnterEvent->accept(decodeDragFiles(pDragEnterEvent, files));
323  }  }
324    
325    
326  void qsamplerMainForm::dropEvent ( QDropEvent* pDropEvent )  void qsamplerMainForm::dropEvent ( QDropEvent* pDropEvent )
327  {  {
328      if (QTextDrag::canDecode(pDropEvent)) {      QStringList files;
329          QString sUrl;      if (decodeDragFiles(pDropEvent, files)) {
330          if (QTextDrag::decode(pDropEvent, sUrl) && closeSession(true))          for (QStringList::Iterator iter = files.begin(); iter != files.end(); iter++) {
331              loadSessionFile(QUrl(sUrl).path());                          const QString& sPath = QUrl(*iter).path();
332                            if (qsamplerChannel::isInstrumentFile(sPath)) {
333                                    // Try to create a new channel from instrument file...
334                                qsamplerChannel *pChannel = new qsamplerChannel(this);
335                                if (pChannel == NULL)
336                                    return;
337                                    // Start setting the instrument filename...
338                                    pChannel->setInstrument(sPath, 0);
339                                // Before we show it up, may be we'll
340                                // better ask for some initial values?
341                                if (!pChannel->channelSetup(this)) {
342                                    delete pChannel;
343                                    return;
344                                }
345                                // Make that an overall update.
346                                m_iDirtyCount++;
347                                m_iChangeCount++;
348                                stabilizeForm();
349                    }   // Otherwise, load an usual session file (LSCP script)...
350                            else if (closeSession(true))
351                                    loadSessionFile(sPath);
352                    }
353      }      }
354  }  }
355    
# Line 487  bool qsamplerMainForm::closeSession ( bo Line 531  bool qsamplerMainForm::closeSession ( bo
531              qsamplerChannelStrip *pChannelStrip = (qsamplerChannelStrip *) wlist.at(iChannel);              qsamplerChannelStrip *pChannelStrip = (qsamplerChannelStrip *) wlist.at(iChannel);
532              if (pChannelStrip) {              if (pChannelStrip) {
533                  qsamplerChannel *pChannel = pChannelStrip->channel();                  qsamplerChannel *pChannel = pChannelStrip->channel();
534                  if (bForce && pChannel && ::lscp_remove_channel(m_pClient, pChannel->channelID()) != LSCP_OK)                  if (bForce && pChannel)
535                      appendMessagesClient("lscp_remove_channel");                      pChannel->removeChannel();
536                  delete pChannelStrip;                  delete pChannelStrip;
537              }              }
538          }          }
# Line 529  bool qsamplerMainForm::loadSessionFile ( Line 573  bool qsamplerMainForm::loadSessionFile (
573              if (::lscp_client_query(m_pClient, sCommand.latin1()) != LSCP_OK) {              if (::lscp_client_query(m_pClient, sCommand.latin1()) != LSCP_OK) {
574                  appendMessagesClient("lscp_client_query");                  appendMessagesClient("lscp_client_query");
575                  iErrors++;                  iErrors++;
576                    break;
577              }              }
578          }          }
579          // Try to make it snappy :)          // Try to make it snappy :)
# Line 540  bool qsamplerMainForm::loadSessionFile ( Line 585  bool qsamplerMainForm::loadSessionFile (
585    
586      // Have we any errors?      // Have we any errors?
587      if (iErrors > 0)      if (iErrors > 0)
588          appendMessagesError(tr("Some setttings could not be loaded\nfrom \"%1\" session file.\n\nSorry.").arg(sFilename));          appendMessagesError(tr("Session could not be loaded\nfrom \"%1\".\n\nSorry.").arg(sFilename));
589    
590      // Now we'll try to create the whole GUI session.      // Now we'll try to create the whole GUI session.
591      int iChannels = ::lscp_get_channels(m_pClient);      int *piChannelIDs = ::lscp_list_channels(m_pClient);
592      if (iChannels < 0) {      if (piChannelIDs == NULL) {
593          appendMessagesClient("lscp_get_channels");          appendMessagesClient("lscp_list_channels");
594          appendMessagesError(tr("Could not get current number of channels.\n\nSorry."));          appendMessagesError(tr("Could not get current list of channels.\n\nSorry."));
595      }      } else {
596                        // Try to (re)create each channel.
597      // Try to (re)create each channel.                  m_pWorkspace->setUpdatesEnabled(false);
598      m_pWorkspace->setUpdatesEnabled(false);                  for (int iChannel = 0; piChannelIDs[iChannel] >= 0; iChannel++) {
599      for (int iChannelID = 0; iChannelID < iChannels; iChannelID++) {                          createChannelStrip(new qsamplerChannel(this, piChannelIDs[iChannel]));
600          createChannel(iChannelID, false);                          QApplication::eventLoop()->processEvents(QEventLoop::ExcludeUserInput);
601          QApplication::eventLoop()->processEvents(QEventLoop::ExcludeUserInput);                  }
602      }                  m_pWorkspace->setUpdatesEnabled(true);
603      m_pWorkspace->setUpdatesEnabled(true);          }
604    
605      // Save as default session directory.      // Save as default session directory.
606      if (m_pOptions)      if (m_pOptions)
# Line 566  bool qsamplerMainForm::loadSessionFile ( Line 611  bool qsamplerMainForm::loadSessionFile (
611      m_sFilename = sFilename;      m_sFilename = sFilename;
612      updateRecentFiles(sFilename);      updateRecentFiles(sFilename);
613      appendMessages(tr("Open session: \"%1\".").arg(sessionName(m_sFilename)));      appendMessages(tr("Open session: \"%1\".").arg(sessionName(m_sFilename)));
614        
615        // Make that an overall update.
616        m_iChangeCount++;
617      stabilizeForm();      stabilizeForm();
618      return true;      return true;
619  }  }
# Line 610  bool qsamplerMainForm::saveSessionFile ( Line 658  bool qsamplerMainForm::saveSessionFile (
658                  ts << "SET CHANNEL MIDI_INPUT_TYPE " << iChannelID << " " << pChannel->midiDriver() << endl;                  ts << "SET CHANNEL MIDI_INPUT_TYPE " << iChannelID << " " << pChannel->midiDriver() << endl;
659                  ts << "SET CHANNEL MIDI_INPUT_PORT " << iChannelID << " " << pChannel->midiPort() << endl;                  ts << "SET CHANNEL MIDI_INPUT_PORT " << iChannelID << " " << pChannel->midiPort() << endl;
660                  ts << "SET CHANNEL MIDI_INPUT_CHANNEL " << iChannelID << " ";                  ts << "SET CHANNEL MIDI_INPUT_CHANNEL " << iChannelID << " ";
661                  if (pChannel->midiChannel() > 0)                  if (pChannel->midiChannel() == LSCP_MIDI_CHANNEL_ALL)
                     ts << pChannel->midiChannel();  
                  else  
662                      ts << "ALL";                      ts << "ALL";
663                    else
664                        ts << pChannel->midiChannel();
665                  ts << endl;                  ts << endl;
666                  ts << "LOAD ENGINE " << pChannel->engineName() << " " << iChannelID << endl;                  ts << "LOAD ENGINE " << pChannel->engineName() << " " << iChannelID << endl;
667                  ts << "LOAD INSTRUMENT NON_MODAL '" << pChannel->instrumentFile() << "' " << pChannel->instrumentNr() << " " << iChannelID << endl;                  ts << "LOAD INSTRUMENT NON_MODAL '" << pChannel->instrumentFile() << "' " << pChannel->instrumentNr() << " " << iChannelID << endl;
# Line 767  void qsamplerMainForm::editAddChannel (v Line 815  void qsamplerMainForm::editAddChannel (v
815      if (m_pClient == NULL)      if (m_pClient == NULL)
816          return;          return;
817    
818      // Create the new sampler channel.      // Just create the channel instance...
819      int iChannelID = ::lscp_add_channel(m_pClient);      qsamplerChannel *pChannel = new qsamplerChannel(this);
820      if (iChannelID < 0) {      if (pChannel == NULL)
         appendMessagesClient("lscp_add_channel");  
         appendMessagesError(tr("Could not create the new channel.\n\nSorry."));  
821          return;          return;
     }  
   
     // Log this happening.  
     appendMessages(tr("Channel %1 created.").arg(iChannelID));  
822    
823      // Just create the channel strip with given id.      // Before we show it up, may be we'll
824      createChannel(iChannelID, true);      // better ask for some initial values?
825        if (!pChannel->channelSetup(this)) {
826            delete pChannel;
827            return;
828        }
829        
830        // And give it to the strip (will own the channel instance, if successful).
831        if (!createChannelStrip(pChannel)) {
832            delete pChannel;
833            return;
834        }
835    
836      // We'll be dirty, for sure...      // Make that an overall update.
837      m_iDirtyCount++;      m_iDirtyCount++;
838      // Stabilize form anyway.      m_iChangeCount++;
839      stabilizeForm();      stabilizeForm();
840  }  }
841    
# Line 814  void qsamplerMainForm::editRemoveChannel Line 866  void qsamplerMainForm::editRemoveChannel
866      }      }
867    
868      // Remove the existing sampler channel.      // Remove the existing sampler channel.
869      if (::lscp_remove_channel(m_pClient, pChannel->channelID()) != LSCP_OK) {      if (!pChannel->removeChannel())
         appendMessagesClient("lscp_remove_channel");  
         appendMessagesError(tr("Could not remove channel.\n\nSorry."));  
870          return;          return;
     }  
871    
     // Log this happening.  
     appendMessages(tr("Channel %1 removed.").arg(pChannel->channelID()));  
       
872      // Just delete the channel strip.      // Just delete the channel strip.
873      delete pChannelStrip;      delete pChannelStrip;
874            
# Line 847  void qsamplerMainForm::editSetupChannel Line 893  void qsamplerMainForm::editSetupChannel
893          return;          return;
894    
895      // Just invoque the channel strip procedure.      // Just invoque the channel strip procedure.
896      pChannelStrip->showChannelSetup(false);      pChannelStrip->channelSetup();
897  }  }
898    
899    
# Line 865  void qsamplerMainForm::editResetChannel Line 911  void qsamplerMainForm::editResetChannel
911      if (pChannel == NULL)      if (pChannel == NULL)
912          return;          return;
913    
914      // Remove the existing sampler channel.      // Reset the existing sampler channel.
915      if (::lscp_reset_channel(m_pClient, pChannel->channelID()) != LSCP_OK) {      pChannel->resetChannel();
         appendMessagesClient("lscp_reset_channel");  
         appendMessagesError(tr("Could not reset channel.\n\nSorry."));  
         return;  
     }  
916    
917      // Log this.      // And force a deferred update.
918      appendMessages(tr("Channel %1 reset.").arg(pChannel->channelID()));      m_iChangeCount++;
   
     // Refresh channel strip info.  
     pChannelStrip->updateChannelInfo();  
919  }  }
920    
921    
# Line 956  void qsamplerMainForm::viewOptions (void Line 995  void qsamplerMainForm::viewOptions (void
995          int     bOldMessagesLimit   = m_pOptions->bMessagesLimit;          int     bOldMessagesLimit   = m_pOptions->bMessagesLimit;
996          int     iOldMessagesLimitLines = m_pOptions->iMessagesLimitLines;          int     iOldMessagesLimitLines = m_pOptions->iMessagesLimitLines;
997          bool    bOldCompletePath    = m_pOptions->bCompletePath;          bool    bOldCompletePath    = m_pOptions->bCompletePath;
998            bool    bOldInstrumentNames = m_pOptions->bInstrumentNames;
999          int     iOldMaxRecentFiles  = m_pOptions->iMaxRecentFiles;          int     iOldMaxRecentFiles  = m_pOptions->iMaxRecentFiles;
1000          // Load the current setup settings.          // Load the current setup settings.
1001          pOptionsForm->setup(m_pOptions);          pOptionsForm->setup(m_pOptions);
# Line 974  void qsamplerMainForm::viewOptions (void Line 1014  void qsamplerMainForm::viewOptions (void
1014                  (!bOldCompletePath &&  m_pOptions->bCompletePath) ||                  (!bOldCompletePath &&  m_pOptions->bCompletePath) ||
1015                  (iOldMaxRecentFiles != m_pOptions->iMaxRecentFiles))                  (iOldMaxRecentFiles != m_pOptions->iMaxRecentFiles))
1016                  updateRecentFilesMenu();                  updateRecentFilesMenu();
1017                if (( bOldInstrumentNames && !m_pOptions->bInstrumentNames) ||
1018                    (!bOldInstrumentNames &&  m_pOptions->bInstrumentNames))
1019                    updateInstrumentNames();
1020              if (( bOldDisplayEffect && !m_pOptions->bDisplayEffect) ||              if (( bOldDisplayEffect && !m_pOptions->bDisplayEffect) ||
1021                  (!bOldDisplayEffect &&  m_pOptions->bDisplayEffect))                  (!bOldDisplayEffect &&  m_pOptions->bDisplayEffect))
1022                  updateDisplayEffect();                  updateDisplayEffect();
# Line 1084  void qsamplerMainForm::helpAbout (void) Line 1127  void qsamplerMainForm::helpAbout (void)
1127      sText += tr("GIG (libgig) file support disabled.");      sText += tr("GIG (libgig) file support disabled.");
1128      sText += "</font></small><br />";      sText += "</font></small><br />";
1129  #endif  #endif
1130    #ifndef CONFIG_INSTRUMENT_NAME
1131        sText += "<small><font color=\"red\">";
1132        sText += tr("LSCP (liblscp) instrument_name support disabled.");
1133        sText += "</font></small><br />";
1134    #endif
1135      sText += "<br />\n";      sText += "<br />\n";
1136      sText += tr("Using") + ": ";      sText += tr("Using") + ": ";
1137      sText += ::lscp_client_package();      sText += ::lscp_client_package();
# Line 1164  void qsamplerMainForm::stabilizeForm (vo Line 1212  void qsamplerMainForm::stabilizeForm (vo
1212  // Channel change receiver slot.  // Channel change receiver slot.
1213  void qsamplerMainForm::channelStripChanged( qsamplerChannelStrip * )  void qsamplerMainForm::channelStripChanged( qsamplerChannelStrip * )
1214  {  {
1215        // Flag that we're update those channel strips.
1216        m_iChangeCount++;
1217      // Just mark the dirty form.      // Just mark the dirty form.
1218      m_iDirtyCount++;      m_iDirtyCount++;
1219      // and update the form status...      // and update the form status...
# Line 1215  void qsamplerMainForm::updateRecentFiles Line 1265  void qsamplerMainForm::updateRecentFiles
1265  }  }
1266    
1267    
1268    // Force update of the channels instrument names mode.
1269    void qsamplerMainForm::updateInstrumentNames (void)
1270    {
1271        // Full channel list update...
1272        QWidgetList wlist = m_pWorkspace->windowList();
1273        if (wlist.isEmpty())
1274            return;
1275    
1276        m_pWorkspace->setUpdatesEnabled(false);
1277        for (int iChannel = 0; iChannel < (int) wlist.count(); iChannel++) {
1278            qsamplerChannelStrip *pChannelStrip = (qsamplerChannelStrip *) wlist.at(iChannel);
1279            if (pChannelStrip)
1280                pChannelStrip->updateInstrumentName(true);
1281        }
1282        m_pWorkspace->setUpdatesEnabled(true);
1283    }
1284    
1285    
1286  // Force update of the channels display font.  // Force update of the channels display font.
1287  void qsamplerMainForm::updateDisplayFont (void)  void qsamplerMainForm::updateDisplayFont (void)
1288  {  {
# Line 1380  void qsamplerMainForm::updateMessagesCap Line 1448  void qsamplerMainForm::updateMessagesCap
1448  // qsamplerMainForm -- MDI channel strip management.  // qsamplerMainForm -- MDI channel strip management.
1449    
1450  // The channel strip creation executive.  // The channel strip creation executive.
1451  void qsamplerMainForm::createChannel ( int iChannelID, bool bPrompt )  qsamplerChannelStrip *qsamplerMainForm::createChannelStrip ( qsamplerChannel *pChannel )
1452  {  {
1453      if (m_pClient == NULL)      if (m_pClient == NULL || pChannel == NULL)
1454          return;          return NULL;
1455    
1456      // Prepare for auto-arrange?      // Prepare for auto-arrange?
1457      qsamplerChannelStrip *pChannelStrip = NULL;      qsamplerChannelStrip *pChannelStrip = NULL;
# Line 1400  void qsamplerMainForm::createChannel ( i Line 1468  void qsamplerMainForm::createChannel ( i
1468      // Add a new channel itema...      // Add a new channel itema...
1469      WFlags wflags = Qt::WStyle_Customize | Qt::WStyle_Tool | Qt::WStyle_Title | Qt::WStyle_NoBorder;      WFlags wflags = Qt::WStyle_Customize | Qt::WStyle_Tool | Qt::WStyle_Title | Qt::WStyle_NoBorder;
1470      pChannelStrip = new qsamplerChannelStrip(m_pWorkspace, 0, wflags);      pChannelStrip = new qsamplerChannelStrip(m_pWorkspace, 0, wflags);
1471        if (pChannelStrip == NULL)
1472            return NULL;
1473            
1474        // Actual channel strip setup...
1475        pChannelStrip->setup(pChannel);
1476        QObject::connect(pChannelStrip, SIGNAL(channelChanged(qsamplerChannelStrip *)), this, SLOT(channelStripChanged(qsamplerChannelStrip *)));
1477      // Set some initial aesthetic options...      // Set some initial aesthetic options...
1478      if (m_pOptions) {      if (m_pOptions) {
1479          // Background display effect...          // Background display effect...
# Line 1411  void qsamplerMainForm::createChannel ( i Line 1485  void qsamplerMainForm::createChannel ( i
1485          // Maximum allowed volume setting.          // Maximum allowed volume setting.
1486          pChannelStrip->setMaxVolume(m_pOptions->iMaxVolume);          pChannelStrip->setMaxVolume(m_pOptions->iMaxVolume);
1487      }      }
1488      // Actual channel setup.  
     pChannelStrip->setup(this, iChannelID);  
     QObject::connect(pChannelStrip, SIGNAL(channelChanged(qsamplerChannelStrip *)), this, SLOT(channelStripChanged(qsamplerChannelStrip *)));  
     // Before we show it up, may be we'll  
     // better ask for some initial values?  
     if (bPrompt)  
         pChannelStrip->showChannelSetup(true);  
1489      // Now we show up us to the world.      // Now we show up us to the world.
1490      pChannelStrip->show();      pChannelStrip->show();
1491      // Only then, we'll auto-arrange...      // Only then, we'll auto-arrange...
# Line 1427  void qsamplerMainForm::createChannel ( i Line 1495  void qsamplerMainForm::createChannel ( i
1495          int iHeight = pChannelStrip->parentWidget()->frameGeometry().height();          int iHeight = pChannelStrip->parentWidget()->frameGeometry().height();
1496          pChannelStrip->parentWidget()->setGeometry(0, y, iWidth, iHeight);          pChannelStrip->parentWidget()->setGeometry(0, y, iWidth, iHeight);
1497      }      }
1498        
1499        // Return our successful reference...
1500        return pChannelStrip;
1501  }  }
1502    
1503    
# Line 1516  void qsamplerMainForm::timerSlot (void) Line 1587  void qsamplerMainForm::timerSlot (void)
1587      }      }
1588            
1589          // Refresh each channel usage, on each period...          // Refresh each channel usage, on each period...
1590      if (m_pClient && m_pOptions->bAutoRefresh && m_pWorkspace->isUpdatesEnabled()) {      if (m_pClient && (m_iChangeCount > 0 || m_pOptions->bAutoRefresh)) {
1591          m_iTimerSlot += QSAMPLER_TIMER_MSECS;          m_iTimerSlot += QSAMPLER_TIMER_MSECS;
1592          if (m_iTimerSlot >= m_pOptions->iAutoRefreshTime)  {          if (m_iTimerSlot >= m_pOptions->iAutoRefreshTime && m_pWorkspace->isUpdatesEnabled())  {
1593              m_iTimerSlot = 0;              m_iTimerSlot = 0;
1594                m_iChangeCount = 0;
1595              QWidgetList wlist = m_pWorkspace->windowList();              QWidgetList wlist = m_pWorkspace->windowList();
1596              for (int iChannel = 0; iChannel < (int) wlist.count(); iChannel++) {              for (int iChannel = 0; iChannel < (int) wlist.count(); iChannel++) {
1597                  qsamplerChannelStrip *pChannelStrip = (qsamplerChannelStrip *) wlist.at(iChannel);                  qsamplerChannelStrip *pChannelStrip = (qsamplerChannelStrip *) wlist.at(iChannel);
1598                  if (pChannelStrip && pChannelStrip->isVisible())                  if (pChannelStrip && pChannelStrip->isVisible()) {
1599                      pChannelStrip->updateChannelUsage();                      // If we can't make it clean, try next time.
1600                        if (!pChannelStrip->updateChannelUsage())
1601                            m_iChangeCount++;
1602                    }
1603              }              }
1604          }          }
1605      }      }
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