/[svn]/qsampler/trunk/src/qsamplerChannelForm.ui.h
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Diff of /qsampler/trunk/src/qsamplerChannelForm.ui.h

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revision 115 by capela, Mon Jun 7 21:41:43 2004 UTC revision 489 by capela, Thu Mar 31 16:40:32 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 <qfileinfo.h>  #include <qfileinfo.h>
27  #include <qlistbox.h>  #include <qlistbox.h>
28    
29  #include "qsamplerOptions.h"  #include "qsamplerDeviceForm.h"
 #include "qsamplerChannelStrip.h"  
30    
31  #include "config.h"  #include "config.h"
32    
# Line 41  void qsamplerChannelForm::init (void) Line 40  void qsamplerChannelForm::init (void)
40      m_iDirtySetup = 0;      m_iDirtySetup = 0;
41      m_iDirtyCount = 0;      m_iDirtyCount = 0;
42    
43            m_midiDevices.setAutoDelete(true);
44            m_audioDevices.setAutoDelete(true);
45    
46            m_pDeviceForm = NULL;
47            
48      // Try to restore normal window positioning.      // Try to restore normal window positioning.
49      adjustSize();      adjustSize();
50  }  }
# Line 49  void qsamplerChannelForm::init (void) Line 53  void qsamplerChannelForm::init (void)
53  // Kind of destructor.  // Kind of destructor.
54  void qsamplerChannelForm::destroy (void)  void qsamplerChannelForm::destroy (void)
55  {  {
56            if (m_pDeviceForm)
57                delete m_pDeviceForm;
58            m_pDeviceForm = NULL;
59  }  }
60    
61    
62  // Channel dialog setup formal initializer.  // Channel dialog setup formal initializer.
63  void qsamplerChannelForm::setup ( qsamplerChannelStrip *pChannel )  void qsamplerChannelForm::setup ( qsamplerChannel *pChannel )
64  {  {
65      m_pChannel = pChannel;      m_pChannel = pChannel;
66    
# Line 63  void qsamplerChannelForm::setup ( qsampl Line 70  void qsamplerChannelForm::setup ( qsampl
70      if (m_pChannel == NULL)      if (m_pChannel == NULL)
71          return;          return;
72    
73      setCaption(m_pChannel->caption());      // It can be a brand new channel, remember?
74        bool bNew = (m_pChannel->channelID() < 0);
75        setCaption(m_pChannel->channelName());
76    
77      // Check if we're up and connected.      // Check if we're up and connected.
78      if (m_pChannel->client() == NULL)      if (m_pChannel->client() == NULL)
# Line 87  void qsamplerChannelForm::setup ( qsampl Line 96  void qsamplerChannelForm::setup ( qsampl
96              EngineNameComboBox->insertItem(ppszEngines[iEngine]);              EngineNameComboBox->insertItem(ppszEngines[iEngine]);
97      }      }
98      else m_pChannel->appendMessagesClient("lscp_get_available_engines");      else m_pChannel->appendMessagesClient("lscp_get_available_engines");
99  /*  
100      // Populate Audio output type list.      // Populate Audio output type list.
101      const char **ppszAudioDrivers = ::lscp_get_available_audio_drivers(m_pChannel->client());      AudioDriverComboBox->clear();
102      if (ppszAudioDrivers) {      AudioDriverComboBox->insertStringList(
103          AudioDriverComboBox->clear();                  qsamplerDevice::getDrivers(m_pChannel->client(), qsamplerDevice::Audio));
         for (int iAudioDriver = 0; ppszAudioDrivers[iAudioDriver]; iAudioDriver++)  
             AudioDriverComboBox->insertItem(ppszAudioDrivers[iAudioDriver]);  
     }  
     else m_pChannel->appendMessagesClient("lscp_get_available_audio_drivers");  
104    
105      // Populate MIDI input type list.      // Populate MIDI input type list.
106      const char **ppszMidiDrivers = ::lscp_get_available_midi_drivers(m_pChannel->client());      MidiDriverComboBox->clear();
107      if (ppszMidiDrivers) {      MidiDriverComboBox->insertStringList(
108          MidiDriverComboBox->clear();                  qsamplerDevice::getDrivers(m_pChannel->client(), qsamplerDevice::Midi));
109          for (int iMidiDriver = 0; ppszMidiDrivers[iMidiDriver]; iMidiDriver++)  
             MidiDriverComboBox->insertItem(ppszMidiDrivers[iMidiDriver]);  
     }  
     else m_pChannel->appendMessagesClient("lscp_get_available_midi_drivers");  
 */  
110      // Read proper channel information,      // Read proper channel information,
111      // and populate the channel form fields.      // and populate the channel form fields.
112    
113      // Engine name...      // Engine name...
114      const QString& sEngineName = pChannel->engineName();      QString sEngineName = pChannel->engineName();
115      if (!sEngineName.isEmpty()) {      if (sEngineName.isEmpty() || bNew)
116          if (EngineNameComboBox->listBox()->findItem(sEngineName, Qt::ExactMatch) == NULL)          sEngineName = pOptions->sEngineName;
117              EngineNameComboBox->insertItem(sEngineName);      if (sEngineName.isEmpty())
118          EngineNameComboBox->setCurrentText(sEngineName);          sEngineName = qsamplerChannel::noEngineName();
119      }      if (EngineNameComboBox->listBox()->findItem(sEngineName, Qt::ExactMatch) == NULL)
120            EngineNameComboBox->insertItem(sEngineName);
121        EngineNameComboBox->setCurrentText(sEngineName);
122      // Instrument filename and index...      // Instrument filename and index...
123      InstrumentFileComboBox->setCurrentText(pChannel->instrumentFile());      QString sInstrumentFile = pChannel->instrumentFile();
124      InstrumentNrSpinBox->setValue(pChannel->instrumentNr());      if (sInstrumentFile.isEmpty())
125      // MIDI input...          sInstrumentFile = qsamplerChannel::noInstrumentName();
126      const QString& sMidiDriver = pChannel->midiDriver();      InstrumentFileComboBox->setCurrentText(sInstrumentFile);
127      if (!sMidiDriver.isEmpty()) {      InstrumentNrComboBox->clear();
128          if (MidiDriverComboBox->listBox()->findItem(sMidiDriver, Qt::ExactMatch) == NULL)      InstrumentNrComboBox->insertStringList(
129              MidiDriverComboBox->insertItem(sMidiDriver);                  qsamplerChannel::getInstrumentList(sInstrumentFile,
130          MidiDriverComboBox->setCurrentText(sMidiDriver);                  pOptions->bInstrumentNames));
131      }      InstrumentNrComboBox->setCurrentItem(pChannel->instrumentNr());
132        
133            // MIDI input device...
134            qsamplerDevice midiDevice(m_pChannel->mainForm(),
135                    qsamplerDevice::Midi, m_pChannel->midiDevice());
136        // MIDI input driver...
137            QString sMidiDriver = midiDevice.driverName();
138            if (sMidiDriver.isEmpty() || bNew)
139                    sMidiDriver = pOptions->sMidiDriver;
140            if (!sMidiDriver.isEmpty()) {
141                    if (MidiDriverComboBox->listBox()->findItem(sMidiDriver, Qt::ExactMatch) == NULL)
142                            MidiDriverComboBox->insertItem(sMidiDriver);
143                    MidiDriverComboBox->setCurrentText(sMidiDriver);
144            }
145            selectMidiDriverItem(sMidiDriver);
146            if (!bNew)
147                    MidiDeviceComboBox->setCurrentText(midiDevice.deviceName());
148            selectMidiDeviceItem(MidiDeviceComboBox->currentItem());
149        // MIDI input port...
150      MidiPortSpinBox->setValue(pChannel->midiPort());      MidiPortSpinBox->setValue(pChannel->midiPort());
151      MidiChannelSpinBox->setValue(pChannel->midiChannel());      // MIDI input channel...
152      // Audio output...      int iMidiChannel = pChannel->midiChannel();
153      const QString& sAudioDriver = pChannel->audioDriver();      // When new, try to suggest a sensible MIDI channel...
154      if (!sAudioDriver.isEmpty()) {      if (iMidiChannel < 0)
155          if (AudioDriverComboBox->listBox()->findItem(sAudioDriver, Qt::ExactMatch) == NULL)          iMidiChannel = (::lscp_get_channels(m_pChannel->client()) % 16);
156              AudioDriverComboBox->insertItem(sAudioDriver);      MidiChannelComboBox->setCurrentItem(iMidiChannel);
157          AudioDriverComboBox->setCurrentText(sAudioDriver);  
158      }          // Audio output device...
159      // FIXME: Disable this while we don't know what to do.          qsamplerDevice audioDevice(m_pChannel->mainForm(),
160      MidiPortTextLabel->setEnabled(false);                  qsamplerDevice::Audio, m_pChannel->audioDevice());
161      MidiPortSpinBox->setEnabled(false);          // Audio output driver...
162            QString sAudioDriver = audioDevice.driverName();
163            if (sAudioDriver.isEmpty() || bNew)
164                    sAudioDriver = pOptions->sAudioDriver;
165            if (!sAudioDriver.isEmpty()) {
166                    if (AudioDriverComboBox->listBox()->findItem(sAudioDriver, Qt::ExactMatch) == NULL)
167                            AudioDriverComboBox->insertItem(sAudioDriver);
168                    AudioDriverComboBox->setCurrentText(sAudioDriver);
169            }
170            selectAudioDriverItem(sAudioDriver);
171            if (!bNew)
172                    AudioDeviceComboBox->setCurrentText(audioDevice.deviceName());
173            selectAudioDeviceItem(AudioDeviceComboBox->currentItem());
174    
175            // As convenient, make it ready on stabilizeForm() for
176            // prompt acceptance, if we got the minimum required...
177            if (sEngineName != qsamplerChannel::noEngineName() &&
178                    sInstrumentFile != qsamplerChannel::noInstrumentName())
179                    m_iDirtyCount++;
180      // Done.      // Done.
181      m_iDirtySetup--;      m_iDirtySetup--;
182      stabilizeForm();      stabilizeForm();
# Line 157  void qsamplerChannelForm::accept (void) Line 196  void qsamplerChannelForm::accept (void)
196      // We'll go for it!      // We'll go for it!
197      if (m_iDirtyCount > 0) {      if (m_iDirtyCount > 0) {
198          int iErrors = 0;          int iErrors = 0;
199          // Audio output driver type...          // Are we a new channel?
200          if (!m_pChannel->setAudioDriver(AudioDriverComboBox->currentText()))          if (!m_pChannel->addChannel())
             iErrors++;  
         // MIDI input driver type...  
         if (!m_pChannel->setMidiDriver(MidiDriverComboBox->currentText()))  
201              iErrors++;              iErrors++;
202                    // Accept Audio driver or device selection...
203                    if (m_audioDevices.isEmpty()) {
204                            if (!m_pChannel->setAudioDriver(AudioDriverComboBox->currentText()))
205                                    iErrors++;
206                    } else {
207                            qsamplerDevice *pDevice = m_audioDevices.at(AudioDeviceComboBox->currentItem());
208                            if (pDevice == NULL)
209                                    iErrors++;
210                            else if (!m_pChannel->setAudioDevice(pDevice->deviceID()))
211                                    iErrors++;
212                    }
213                    // Accept MIDI driver or device selection...
214                    if (m_midiDevices.isEmpty()) {
215                            if (!m_pChannel->setMidiDriver(MidiDriverComboBox->currentText()))
216                                    iErrors++;
217                    } else {
218                            qsamplerDevice *pDevice = m_midiDevices.at(MidiDeviceComboBox->currentItem());
219                            if (pDevice == NULL)
220                                    iErrors++;
221                            else if (!m_pChannel->setMidiDevice(pDevice->deviceID()))
222                                    iErrors++;
223                    }
224          // MIDI input port number...          // MIDI input port number...
225          if (!m_pChannel->setMidiPort(MidiPortSpinBox->value()))          if (!m_pChannel->setMidiPort(MidiPortSpinBox->value()))
226              iErrors++;              iErrors++;
227          // MIDI input channel...          // MIDI input channel...
228          if (!m_pChannel->setMidiChannel(MidiChannelSpinBox->value()))          if (!m_pChannel->setMidiChannel(MidiChannelComboBox->currentItem()))
229              iErrors++;              iErrors++;
230          // Engine name...          // Engine name...
231          if (!m_pChannel->loadEngine(EngineNameComboBox->currentText()))          if (!m_pChannel->loadEngine(EngineNameComboBox->currentText()))
232              iErrors++;              iErrors++;
233          // Instrument file and index...          // Instrument file and index...
234          if (!m_pChannel->loadInstrument(InstrumentFileComboBox->currentText(), InstrumentNrSpinBox->value()))          if (!m_pChannel->loadInstrument(InstrumentFileComboBox->currentText(), InstrumentNrComboBox->currentItem()))
235              iErrors++;              iErrors++;
236          // Show error messages?          // Show error messages?
237          if (iErrors > 0)          if (iErrors > 0)
238              m_pChannel->appendMessagesError(tr("Some channel settings could not be set.\n\nSorry."));              m_pChannel->appendMessagesError(tr("Some channel settings could not be set.\n\nSorry."));
239      }      }
240    
241      // Save default instrument directory and history...      // Save default engine name, instrument directory and history...
242      pOptions->sInstrumentDir = QFileInfo(InstrumentFileComboBox->currentText()).dirPath(true);      pOptions->sInstrumentDir = QFileInfo(InstrumentFileComboBox->currentText()).dirPath(true);
243        pOptions->sEngineName  = EngineNameComboBox->currentText();
244        pOptions->sAudioDriver = AudioDriverComboBox->currentText();
245        pOptions->sMidiDriver  = MidiDriverComboBox->currentText();
246      pOptions->saveComboBoxHistory(InstrumentFileComboBox);      pOptions->saveComboBoxHistory(InstrumentFileComboBox);
247    
248      // Just go with dialog acceptance.      // Just go with dialog acceptance.
# Line 195  void qsamplerChannelForm::reject (void) Line 256  void qsamplerChannelForm::reject (void)
256      bool bReject = true;      bool bReject = true;
257    
258      // Check if there's any pending changes...      // Check if there's any pending changes...
259      if (m_iDirtyCount > 0) {      if (m_iDirtyCount > 0 && OkPushButton->isEnabled()) {
260          switch (QMessageBox::warning(this, tr("Warning"),          switch (QMessageBox::warning(this, tr("Warning"),
261              tr("Some channel settings have been changed.\n\n"              tr("Some channel settings have been changed.\n\n"
262                 "Do you want to apply the changes?"),                 "Do you want to apply the changes?"),
# Line 241  void qsamplerChannelForm::openInstrument Line 302  void qsamplerChannelForm::openInstrument
302  // Refresh the actual instrument name.  // Refresh the actual instrument name.
303  void qsamplerChannelForm::updateInstrumentName (void)  void qsamplerChannelForm::updateInstrumentName (void)
304  {  {
305      // FIXME: A better idea would be to use libgig      qsamplerOptions *pOptions = m_pChannel->options();
306      // to retrieve the REAL instrument name.      if (pOptions == NULL)
307      InstrumentNameTextLabel->setText(QFileInfo(InstrumentFileComboBox->currentText()).fileName()          return;
308          + " [" + QString::number(InstrumentNrSpinBox->value()) + "]");  
309        // Finally this better idea would be to use libgig
310        // to retrieve the REAL instrument names.
311        InstrumentNrComboBox->clear();
312        InstrumentNrComboBox->insertStringList(
313            qsamplerChannel::getInstrumentList(
314                            InstrumentFileComboBox->currentText(),
315                            pOptions->bInstrumentNames)
316        );
317    
318      optionsChanged();      optionsChanged();
319  }  }
320    
321    // Show device options dialog.
322    void qsamplerChannelForm::setupDevice ( qsamplerDevice *pDevice )
323    {
324            // Create the device form if not already...
325            if (m_pDeviceForm == NULL) {
326                    m_pDeviceForm = new qsamplerDeviceForm(this, 0,
327                            WType_Dialog | WShowModal);
328                    m_pDeviceForm->setMainForm(m_pChannel->mainForm());
329                    QObject::connect(m_pDeviceForm, SIGNAL(devicesChanged()),
330                        this, SLOT(updateDevices()));
331            }
332    
333            // Refresh the device form with selected data.
334            if (m_pDeviceForm) {
335                    m_pDeviceForm->setClient(m_pChannel->client()); // <-- refreshDevices().
336                    if (pDevice)
337                            m_pDeviceForm->setDevice(pDevice->deviceType(), pDevice->deviceID());
338                    m_pDeviceForm->show();
339            }
340    }
341    
342    
343    // Refresh MIDI driver item devices.
344    void qsamplerChannelForm::selectMidiDriverItem ( const QString& sMidiDriver )
345    {
346            const QString sDriverName = sMidiDriver.upper();
347    
348            // Save current device id.
349            int iDeviceID = -1;
350            qsamplerDevice *pDevice = m_midiDevices.at(MidiDeviceComboBox->currentItem());
351            if (pDevice)
352                iDeviceID = pDevice->deviceID();
353    
354            // Clean maplist.
355            MidiDeviceComboBox->clear();
356            m_midiDevices.clear();
357    
358            // Populate with the current ones...
359            const QPixmap& midiPixmap = QPixmap::fromMimeSource("midi2.png");
360            int *piDeviceIDs = qsamplerDevice::getDevices(m_pChannel->client(),
361                    qsamplerDevice::Midi);
362            for (int i = 0; piDeviceIDs && piDeviceIDs[i] >= 0; i++) {
363                    pDevice = new qsamplerDevice(m_pChannel->mainForm(),
364                            qsamplerDevice::Midi, piDeviceIDs[i]);
365                    if (pDevice->driverName().upper() == sDriverName) {
366                            MidiDeviceComboBox->insertItem(midiPixmap, pDevice->deviceName());
367                            m_midiDevices.append(pDevice);
368                    } else {
369                            delete pDevice;
370                    }
371            }
372    
373            // Do proper enabling...
374            bool bEnabled = !m_midiDevices.isEmpty();
375            if (!bEnabled)
376                    MidiDeviceComboBox->insertItem(tr("(New MIDI device)"));
377            else if (iDeviceID >= 0) {
378                // Select the previous current device...
379                int iMidiItem = 0;
380                for (pDevice = m_midiDevices.first();
381                        pDevice;
382                            pDevice = m_midiDevices.next()) {
383                        if (pDevice->deviceID() == iDeviceID) {
384                                    MidiDeviceComboBox->setCurrentItem(iMidiItem);
385                    //      selectMidiDeviceItem(iMidiItem);
386                            break;
387                        }
388                            iMidiItem++;
389                    }
390            }
391            MidiDeviceTextLabel->setEnabled(bEnabled);
392            MidiDeviceComboBox->setEnabled(bEnabled);
393    }
394    
395    
396    // Refresh MIDI device options slot.
397    void qsamplerChannelForm::selectMidiDriver ( const QString& sMidiDriver )
398    {
399            if (m_iDirtySetup > 0)
400                return;
401    
402            selectMidiDriverItem(sMidiDriver);
403            optionsChanged();
404    }
405    
406    
407    // Select MIDI device item.
408    void qsamplerChannelForm::selectMidiDeviceItem ( int iMidiItem )
409    {
410            qsamplerDevice *pDevice = m_midiDevices.at(iMidiItem);
411            if (pDevice) {
412                    const qsamplerDeviceParamMap& params = pDevice->params();
413                    int iPorts = params["PORTS"].value.toInt();
414                    MidiPortTextLabel->setEnabled(iPorts > 0);
415                    MidiPortSpinBox->setEnabled(iPorts > 0);
416                    if (iPorts > 0)
417                            MidiPortSpinBox->setMaxValue(iPorts - 1);
418            }
419    }
420    
421    
422    // Select MIDI device options slot.
423    void qsamplerChannelForm::selectMidiDevice ( int iMidiItem )
424    {
425            if (m_iDirtySetup > 0)
426                return;
427    
428            selectMidiDeviceItem(iMidiItem);
429            optionsChanged();
430    }
431    
432    
433    // MIDI device options.
434    void qsamplerChannelForm::setupMidiDevice (void)
435    {
436            setupDevice(m_midiDevices.at(MidiDeviceComboBox->currentItem()));
437    }
438    
439    
440    // Refresh Audio driver item devices.
441    void qsamplerChannelForm::selectAudioDriverItem ( const QString& sAudioDriver )
442    {
443            const QString sDriverName = sAudioDriver.upper();
444    
445            // Save current device id.
446            int iDeviceID = -1;
447            qsamplerDevice *pDevice = m_audioDevices.at(AudioDeviceComboBox->currentItem());
448            if (pDevice)
449                iDeviceID = pDevice->deviceID();
450    
451            // Clean maplist.
452            AudioDeviceComboBox->clear();
453            m_audioDevices.clear();
454    
455            // Populate with the current ones...
456            const QPixmap& audioPixmap = QPixmap::fromMimeSource("audio2.png");
457            int *piDeviceIDs = qsamplerDevice::getDevices(m_pChannel->client(),
458                    qsamplerDevice::Audio);
459            for (int i = 0; piDeviceIDs && piDeviceIDs[i] >= 0; i++) {
460                    pDevice = new qsamplerDevice(m_pChannel->mainForm(),
461                            qsamplerDevice::Audio, piDeviceIDs[i]);
462                    if (pDevice->driverName().upper() == sDriverName) {
463                            AudioDeviceComboBox->insertItem(audioPixmap, pDevice->deviceName());
464                            m_audioDevices.append(pDevice);
465                    } else {
466                            delete pDevice;
467                    }
468            }
469    
470            // Do proper enabling...
471            bool bEnabled = !m_audioDevices.isEmpty();
472            if (!bEnabled)
473                    AudioDeviceComboBox->insertItem(tr("(New Audio device)"));
474            else if (iDeviceID >= 0) {
475                // Select the previous current device...
476                int iAudioItem = 0;
477                for (pDevice = m_audioDevices.first();
478                        pDevice;
479                            pDevice = m_audioDevices.next()) {
480                        if (pDevice->deviceID() == iDeviceID) {
481                                    AudioDeviceComboBox->setCurrentItem(iAudioItem);
482                    //      selectAudioDeviceItem(iAudioItem);
483                            break;
484                        }
485                            iAudioItem++;
486                    }
487            }
488            AudioDeviceTextLabel->setEnabled(bEnabled);
489            AudioDeviceComboBox->setEnabled(bEnabled);
490    }
491    
492    
493    // Refresh Audio device options slot.
494    void qsamplerChannelForm::selectAudioDriver ( const QString& sAudioDriver )
495    {
496            if (m_iDirtySetup > 0)
497                return;
498                
499            selectAudioDriverItem(sAudioDriver);
500            optionsChanged();
501    }
502    
503    
504    // Select Audio device item.
505    void qsamplerChannelForm::selectAudioDeviceItem ( int iAudioItem )
506    {
507            qsamplerDevice *pDevice = m_audioDevices.at(iAudioItem);
508            if (pDevice) {
509                    // Is there anything to do here?
510            }
511    }
512    
513    
514    // Select Audio device options slot.
515    void qsamplerChannelForm::selectAudioDevice ( int iAudioItem )
516    {
517            if (m_iDirtySetup > 0)
518                return;
519    
520            selectAudioDeviceItem(iAudioItem);
521            optionsChanged();
522    }
523    
524    
525    // Audio device options.
526    void qsamplerChannelForm::setupAudioDevice (void)
527    {
528            setupDevice(m_audioDevices.at(AudioDeviceComboBox->currentItem()));
529    }
530    
531    
532    // UPdate all device lists slot.
533    void qsamplerChannelForm::updateDevices (void)
534    {
535        if (m_iDirtySetup > 0)
536            return;
537    
538            selectMidiDriverItem(MidiDriverComboBox->currentText());
539            selectAudioDriverItem(AudioDriverComboBox->currentText());
540            optionsChanged();
541    }
542    
543    
544  // Dirty up settings.  // Dirty up settings.
# Line 265  void qsamplerChannelForm::optionsChanged Line 555  void qsamplerChannelForm::optionsChanged
555  // Stabilize current form state.  // Stabilize current form state.
556  void qsamplerChannelForm::stabilizeForm (void)  void qsamplerChannelForm::stabilizeForm (void)
557  {  {
558      const QString sFilename = InstrumentFileComboBox->currentText();      const QString& sFilename = InstrumentFileComboBox->currentText();
559      OkPushButton->setEnabled(m_iDirtyCount > 0 && !sFilename.isEmpty() && QFileInfo(sFilename).exists());      OkPushButton->setEnabled(m_iDirtyCount > 0 && !sFilename.isEmpty() && QFileInfo(sFilename).exists());
560  }  }
561    
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