/[svn]/qsampler/trunk/src/qsamplerChannel.cpp
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Diff of /qsampler/trunk/src/qsamplerChannel.cpp

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revision 1367 by capela, Mon Oct 1 22:03:35 2007 UTC revision 2387 by capela, Sat Dec 29 00:21:11 2012 UTC
# Line 1  Line 1 
1  // qsamplerChannel.cpp  // qsamplerChannel.cpp
2  //  //
3  /****************************************************************************  /****************************************************************************
4     Copyright (C) 2004-2007, rncbc aka Rui Nuno Capela. All rights reserved.     Copyright (C) 2004-2012, rncbc aka Rui Nuno Capela. All rights reserved.
5       Copyright (C) 2007, 2008 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
8     modify it under the terms of the GNU General Public License     modify it under the terms of the GNU General Public License
# Line 21  Line 22 
22    
23  #include "qsamplerAbout.h"  #include "qsamplerAbout.h"
24  #include "qsamplerChannel.h"  #include "qsamplerChannel.h"
25    #include "qsamplerUtilities.h"
26    
27  #include "qsamplerMainForm.h"  #include "qsamplerMainForm.h"
28  #include "qsamplerChannelForm.h"  #include "qsamplerChannelForm.h"
29    
30  #include <qfileinfo.h>  #include <QFileInfo>
31  #include <qcombobox.h>  #include <QComboBox>
32    
33  #ifdef CONFIG_LIBGIG  #ifdef CONFIG_LIBGIG
34  #include "gig.h"  #include "gig.h"
35  #endif  #endif
36    
37    namespace QSampler {
38    
39  #define QSAMPLER_INSTRUMENT_MAX 100  #define QSAMPLER_INSTRUMENT_MAX 100
40    
41    #define UNICODE_RIGHT_ARROW     QChar(char(0x92), char(0x21))
42    
43    
44  //-------------------------------------------------------------------------  //-------------------------------------------------------------------------
45  // qsamplerChannel - Sampler channel structure.  // QSampler::Channel - Sampler channel structure.
46  //  //
47    
48  // Constructor.  // Constructor.
49  qsamplerChannel::qsamplerChannel ( int iChannelID )  Channel::Channel ( int iChannelID )
50  {  {
51          m_iChannelID = iChannelID;          m_iChannelID = iChannelID;
52    
# Line 56  qsamplerChannel::qsamplerChannel ( int i Line 62  qsamplerChannel::qsamplerChannel ( int i
62          m_iMidiMap          = -1;          m_iMidiMap          = -1;
63          m_sAudioDriver      = "ALSA";          m_sAudioDriver      = "ALSA";
64          m_iAudioDevice      = -1;          m_iAudioDevice      = -1;
65          m_fVolume           = 0.0;          m_fVolume           = 0.0f;
66          m_bMute             = false;          m_bMute             = false;
67          m_bSolo             = false;          m_bSolo             = false;
68  }  }
69    
70  // Default destructor.  // Default destructor.
71  qsamplerChannel::~qsamplerChannel (void)  Channel::~Channel (void)
72  {  {
73  }  }
74    
75    
76  // Create a new sampler channel, if not already.  // Create a new sampler channel, if not already.
77  bool qsamplerChannel::addChannel (void)  bool Channel::addChannel (void)
78  {  {
79          qsamplerMainForm *pMainForm = qsamplerMainForm::getInstance();          MainForm* pMainForm = MainForm::getInstance();
80          if (pMainForm == NULL)          if (pMainForm == NULL)
81                  return false;                  return false;
82          if (pMainForm->client() == NULL)          if (pMainForm->client() == NULL)
# Line 93  bool qsamplerChannel::addChannel (void) Line 99  bool qsamplerChannel::addChannel (void)
99    
100    
101  // Remove sampler channel.  // Remove sampler channel.
102  bool qsamplerChannel::removeChannel (void)  bool Channel::removeChannel (void)
103  {  {
104          qsamplerMainForm *pMainForm = qsamplerMainForm::getInstance();          MainForm *pMainForm = MainForm::getInstance();
105          if (pMainForm == NULL)          if (pMainForm == NULL)
106                  return false;                  return false;
107          if (pMainForm->client() == NULL)          if (pMainForm->client() == NULL)
# Line 119  bool qsamplerChannel::removeChannel (voi Line 125  bool qsamplerChannel::removeChannel (voi
125    
126    
127  // Channel-ID (aka Sammpler-Channel) accessors.  // Channel-ID (aka Sammpler-Channel) accessors.
128  int qsamplerChannel::channelID (void) const  int Channel::channelID (void) const
129  {  {
130          return m_iChannelID;          return m_iChannelID;
131  }  }
132    
133  void qsamplerChannel::setChannelID ( int iChannelID )  void Channel::setChannelID ( int iChannelID )
134  {  {
135          m_iChannelID = iChannelID;          m_iChannelID = iChannelID;
136  }  }
137    
138    
139  // Readable channel name.  // Readable channel name.
140  QString qsamplerChannel::channelName (void) const  QString Channel::channelName (void) const
141  {  {
142          return (m_iChannelID < 0 ? QObject::tr("New Channel") : QObject::tr("Channel %1").arg(m_iChannelID));          return (m_iChannelID < 0 ? QObject::tr("New Channel") : QObject::tr("Channel %1").arg(m_iChannelID));
143  }  }
144    
145    
146  // Engine name accessors.  // Engine name accessors.
147  const QString& qsamplerChannel::engineName (void) const  const QString& Channel::engineName (void) const
148  {  {
149          return m_sEngineName;          return m_sEngineName;
150  }  }
151    
152  bool qsamplerChannel::loadEngine ( const QString& sEngineName )  bool Channel::loadEngine ( const QString& sEngineName )
153  {  {
154          qsamplerMainForm *pMainForm = qsamplerMainForm::getInstance();          MainForm *pMainForm = MainForm::getInstance();
155          if (pMainForm == NULL)          if (pMainForm == NULL)
156                  return false;                  return false;
157          if (pMainForm->client() == NULL || m_iChannelID < 0)          if (pMainForm->client() == NULL || m_iChannelID < 0)
# Line 153  bool qsamplerChannel::loadEngine ( const Line 159  bool qsamplerChannel::loadEngine ( const
159          if (m_iInstrumentStatus == 100 && m_sEngineName == sEngineName)          if (m_iInstrumentStatus == 100 && m_sEngineName == sEngineName)
160                  return true;                  return true;
161    
162          if (::lscp_load_engine(pMainForm->client(), sEngineName.latin1(), m_iChannelID) != LSCP_OK) {          if (::lscp_load_engine(pMainForm->client(),
163                            sEngineName.toUtf8().constData(), m_iChannelID) != LSCP_OK) {
164                  appendMessagesClient("lscp_load_engine");                  appendMessagesClient("lscp_load_engine");
165                  return false;                  return false;
166          }          }
# Line 166  bool qsamplerChannel::loadEngine ( const Line 173  bool qsamplerChannel::loadEngine ( const
173    
174    
175  // Instrument filename accessor.  // Instrument filename accessor.
176  const QString& qsamplerChannel::instrumentFile (void) const  const QString& Channel::instrumentFile (void) const
177  {  {
178          return m_sInstrumentFile;          return m_sInstrumentFile;
179  }  }
180    
181  // Instrument index accessor.  // Instrument index accessor.
182  int qsamplerChannel::instrumentNr (void) const  int Channel::instrumentNr (void) const
183  {  {
184          return m_iInstrumentNr;          return m_iInstrumentNr;
185  }  }
186    
187  // Instrument name accessor.  // Instrument name accessor.
188  const QString& qsamplerChannel::instrumentName (void) const  const QString& Channel::instrumentName (void) const
189  {  {
190          return m_sInstrumentName;          return m_sInstrumentName;
191  }  }
192    
193  // Instrument status accessor.  // Instrument status accessor.
194  int qsamplerChannel::instrumentStatus (void) const  int Channel::instrumentStatus (void) const
195  {  {
196          return m_iInstrumentStatus;          return m_iInstrumentStatus;
197  }  }
198    
199  // Instrument file loader.  // Instrument file loader.
200  bool qsamplerChannel::loadInstrument ( const QString& sInstrumentFile, int iInstrumentNr )  bool Channel::loadInstrument ( const QString& sInstrumentFile, int iInstrumentNr )
201  {  {
202          qsamplerMainForm *pMainForm = qsamplerMainForm::getInstance();          MainForm *pMainForm = MainForm::getInstance();
203          if (pMainForm == NULL)          if (pMainForm == NULL)
204                  return false;                  return false;
205          if (pMainForm->client() == NULL || m_iChannelID < 0)          if (pMainForm->client() == NULL || m_iChannelID < 0)
206                  return false;                  return false;
207          if (!isInstrumentFile(sInstrumentFile))          if (!QFileInfo(sInstrumentFile).exists())
208                  return false;                  return false;
209          if (m_iInstrumentStatus == 100 && m_sInstrumentFile == sInstrumentFile && m_iInstrumentNr == iInstrumentNr)          if (m_iInstrumentStatus == 100
210                    && m_sInstrumentFile == sInstrumentFile
211                    && m_iInstrumentNr == iInstrumentNr)
212                  return true;                  return true;
213    
214          if (::lscp_load_instrument_non_modal(pMainForm->client(), sInstrumentFile.latin1(), iInstrumentNr, m_iChannelID) != LSCP_OK) {          if (::lscp_load_instrument_non_modal(
215                            pMainForm->client(),
216                            qsamplerUtilities::lscpEscapePath(
217                                    sInstrumentFile).toUtf8().constData(),
218                            iInstrumentNr, m_iChannelID
219                    ) != LSCP_OK) {
220                  appendMessagesClient("lscp_load_instrument");                  appendMessagesClient("lscp_load_instrument");
221                  return false;                  return false;
222          }          }
# Line 215  bool qsamplerChannel::loadInstrument ( c Line 229  bool qsamplerChannel::loadInstrument ( c
229    
230    
231  // Special instrument file/name/number settler.  // Special instrument file/name/number settler.
232  bool qsamplerChannel::setInstrument ( const QString& sInstrumentFile, int iInstrumentNr )  bool Channel::setInstrument ( const QString& sInstrumentFile, int iInstrumentNr )
233  {  {
234          m_sInstrumentFile = sInstrumentFile;          m_sInstrumentFile = sInstrumentFile;
235          m_iInstrumentNr = iInstrumentNr;          m_iInstrumentNr = iInstrumentNr;
# Line 231  bool qsamplerChannel::setInstrument ( co Line 245  bool qsamplerChannel::setInstrument ( co
245    
246    
247  // MIDI driver type accessors (DEPRECATED).  // MIDI driver type accessors (DEPRECATED).
248  const QString& qsamplerChannel::midiDriver (void) const  const QString& Channel::midiDriver (void) const
249  {  {
250          return m_sMidiDriver;          return m_sMidiDriver;
251  }  }
252    
253  bool qsamplerChannel::setMidiDriver ( const QString& sMidiDriver )  bool Channel::setMidiDriver ( const QString& sMidiDriver )
254  {  {
255          qsamplerMainForm *pMainForm = qsamplerMainForm::getInstance();          MainForm *pMainForm = MainForm::getInstance();
256          if (pMainForm == NULL)          if (pMainForm == NULL)
257                  return false;                  return false;
258          if (pMainForm->client() == NULL || m_iChannelID < 0)          if (pMainForm->client() == NULL || m_iChannelID < 0)
# Line 246  bool qsamplerChannel::setMidiDriver ( co Line 260  bool qsamplerChannel::setMidiDriver ( co
260          if (m_iInstrumentStatus == 100 && m_sMidiDriver == sMidiDriver)          if (m_iInstrumentStatus == 100 && m_sMidiDriver == sMidiDriver)
261                  return true;                  return true;
262    
263          if (::lscp_set_channel_midi_type(pMainForm->client(), m_iChannelID, sMidiDriver.latin1()) != LSCP_OK) {          if (::lscp_set_channel_midi_type(pMainForm->client(),
264                            m_iChannelID, sMidiDriver.toUtf8().constData()) != LSCP_OK) {
265                  appendMessagesClient("lscp_set_channel_midi_type");                  appendMessagesClient("lscp_set_channel_midi_type");
266                  return false;                  return false;
267          }          }
# Line 259  bool qsamplerChannel::setMidiDriver ( co Line 274  bool qsamplerChannel::setMidiDriver ( co
274    
275    
276  // MIDI device accessors.  // MIDI device accessors.
277  int qsamplerChannel::midiDevice (void) const  int Channel::midiDevice (void) const
278  {  {
279          return m_iMidiDevice;          return m_iMidiDevice;
280  }  }
281    
282  bool qsamplerChannel::setMidiDevice ( int iMidiDevice )  bool Channel::setMidiDevice ( int iMidiDevice )
283  {  {
284          qsamplerMainForm *pMainForm = qsamplerMainForm::getInstance();          MainForm *pMainForm = MainForm::getInstance();
285          if (pMainForm == NULL)          if (pMainForm == NULL)
286                  return false;                  return false;
287          if (pMainForm->client() == NULL || m_iChannelID < 0)          if (pMainForm->client() == NULL || m_iChannelID < 0)
# Line 287  bool qsamplerChannel::setMidiDevice ( in Line 302  bool qsamplerChannel::setMidiDevice ( in
302    
303    
304  // MIDI port number accessor.  // MIDI port number accessor.
305  int qsamplerChannel::midiPort (void) const  int Channel::midiPort (void) const
306  {  {
307          return m_iMidiPort;          return m_iMidiPort;
308  }  }
309    
310  bool qsamplerChannel::setMidiPort ( int iMidiPort )  bool Channel::setMidiPort ( int iMidiPort )
311  {  {
312          qsamplerMainForm *pMainForm = qsamplerMainForm::getInstance();          MainForm *pMainForm = MainForm::getInstance();
313          if (pMainForm == NULL)          if (pMainForm == NULL)
314                  return false;                  return false;
315          if (pMainForm->client() == NULL || m_iChannelID < 0)          if (pMainForm->client() == NULL || m_iChannelID < 0)
# Line 315  bool qsamplerChannel::setMidiPort ( int Line 330  bool qsamplerChannel::setMidiPort ( int
330    
331    
332  // MIDI channel accessor.  // MIDI channel accessor.
333  int qsamplerChannel::midiChannel (void) const  int Channel::midiChannel (void) const
334  {  {
335          return m_iMidiChannel;          return m_iMidiChannel;
336  }  }
337    
338  bool qsamplerChannel::setMidiChannel ( int iMidiChannel )  bool Channel::setMidiChannel ( int iMidiChannel )
339  {  {
340          qsamplerMainForm *pMainForm = qsamplerMainForm::getInstance();          MainForm *pMainForm = MainForm::getInstance();
341          if (pMainForm == NULL)          if (pMainForm == NULL)
342                  return false;                  return false;
343          if (pMainForm->client() == NULL || m_iChannelID < 0)          if (pMainForm->client() == NULL || m_iChannelID < 0)
# Line 343  bool qsamplerChannel::setMidiChannel ( i Line 358  bool qsamplerChannel::setMidiChannel ( i
358    
359    
360  // MIDI instrument map accessor.  // MIDI instrument map accessor.
361  int qsamplerChannel::midiMap (void) const  int Channel::midiMap (void) const
362  {  {
363          return m_iMidiMap;          return m_iMidiMap;
364  }  }
365    
366  bool qsamplerChannel::setMidiMap ( int iMidiMap )  bool Channel::setMidiMap ( int iMidiMap )
367  {  {
368          qsamplerMainForm *pMainForm = qsamplerMainForm::getInstance();          MainForm *pMainForm = MainForm::getInstance();
369          if (pMainForm == NULL)          if (pMainForm == NULL)
370                  return false;                  return false;
371          if (pMainForm->client() == NULL || m_iChannelID < 0)          if (pMainForm->client() == NULL || m_iChannelID < 0)
# Line 371  bool qsamplerChannel::setMidiMap ( int i Line 386  bool qsamplerChannel::setMidiMap ( int i
386    
387    
388  // Audio device accessor.  // Audio device accessor.
389  int qsamplerChannel::audioDevice (void) const  int Channel::audioDevice (void) const
390  {  {
391          return m_iAudioDevice;          return m_iAudioDevice;
392  }  }
393    
394  bool qsamplerChannel::setAudioDevice ( int iAudioDevice )  bool Channel::setAudioDevice ( int iAudioDevice )
395  {  {
396          qsamplerMainForm *pMainForm = qsamplerMainForm::getInstance();          MainForm *pMainForm = MainForm::getInstance();
397          if (pMainForm == NULL)          if (pMainForm == NULL)
398                  return false;                  return false;
399          if (pMainForm->client() == NULL || m_iChannelID < 0)          if (pMainForm->client() == NULL || m_iChannelID < 0)
# Line 399  bool qsamplerChannel::setAudioDevice ( i Line 414  bool qsamplerChannel::setAudioDevice ( i
414    
415    
416  // Audio driver type accessors (DEPRECATED).  // Audio driver type accessors (DEPRECATED).
417  const QString& qsamplerChannel::audioDriver (void) const  const QString& Channel::audioDriver (void) const
418  {  {
419          return m_sAudioDriver;          return m_sAudioDriver;
420  }  }
421    
422  bool qsamplerChannel::setAudioDriver ( const QString& sAudioDriver )  bool Channel::setAudioDriver ( const QString& sAudioDriver )
423  {  {
424          qsamplerMainForm *pMainForm = qsamplerMainForm::getInstance();          MainForm *pMainForm = MainForm::getInstance();
425          if (pMainForm == NULL)          if (pMainForm == NULL)
426                  return false;                  return false;
427          if (pMainForm->client() == NULL || m_iChannelID < 0)          if (pMainForm->client() == NULL || m_iChannelID < 0)
# Line 414  bool qsamplerChannel::setAudioDriver ( c Line 429  bool qsamplerChannel::setAudioDriver ( c
429          if (m_iInstrumentStatus == 100 && m_sAudioDriver == sAudioDriver)          if (m_iInstrumentStatus == 100 && m_sAudioDriver == sAudioDriver)
430                  return true;                  return true;
431    
432          if (::lscp_set_channel_audio_type(pMainForm->client(), m_iChannelID, sAudioDriver.latin1()) != LSCP_OK) {          if (::lscp_set_channel_audio_type(pMainForm->client(),
433                            m_iChannelID, sAudioDriver.toUtf8().constData()) != LSCP_OK) {
434                  appendMessagesClient("lscp_set_channel_audio_type");                  appendMessagesClient("lscp_set_channel_audio_type");
435                  return false;                  return false;
436          }          }
# Line 427  bool qsamplerChannel::setAudioDriver ( c Line 443  bool qsamplerChannel::setAudioDriver ( c
443    
444    
445  // Channel volume accessors.  // Channel volume accessors.
446  float qsamplerChannel::volume (void) const  float Channel::volume (void) const
447  {  {
448          return m_fVolume;          return m_fVolume;
449  }  }
450    
451  bool qsamplerChannel::setVolume ( float fVolume )  bool Channel::setVolume ( float fVolume )
452  {  {
453          qsamplerMainForm *pMainForm = qsamplerMainForm::getInstance();          MainForm *pMainForm = MainForm::getInstance();
454          if (pMainForm == NULL)          if (pMainForm == NULL)
455                  return false;                  return false;
456          if (pMainForm->client() == NULL || m_iChannelID < 0)          if (pMainForm->client() == NULL || m_iChannelID < 0)
# Line 455  bool qsamplerChannel::setVolume ( float Line 471  bool qsamplerChannel::setVolume ( float
471    
472    
473  // Sampler channel mute state.  // Sampler channel mute state.
474  bool qsamplerChannel::channelMute (void) const  bool Channel::channelMute (void) const
475  {  {
476          return m_bMute;          return m_bMute;
477  }  }
478    
479  bool qsamplerChannel::setChannelMute ( bool bMute )  bool Channel::setChannelMute ( bool bMute )
480  {  {
481          qsamplerMainForm *pMainForm = qsamplerMainForm::getInstance();          MainForm *pMainForm = MainForm::getInstance();
482          if (pMainForm == NULL)          if (pMainForm == NULL)
483                  return false;                  return false;
484          if (pMainForm->client() == NULL || m_iChannelID < 0)          if (pMainForm->client() == NULL || m_iChannelID < 0)
# Line 485  bool qsamplerChannel::setChannelMute ( b Line 501  bool qsamplerChannel::setChannelMute ( b
501    
502    
503  // Sampler channel solo state.  // Sampler channel solo state.
504  bool qsamplerChannel::channelSolo (void) const  bool Channel::channelSolo (void) const
505  {  {
506          return m_bSolo;          return m_bSolo;
507  }  }
508    
509  bool qsamplerChannel::setChannelSolo ( bool bSolo )  bool Channel::setChannelSolo ( bool bSolo )
510  {  {
511          qsamplerMainForm *pMainForm = qsamplerMainForm::getInstance();          MainForm *pMainForm = MainForm::getInstance();
512          if (pMainForm == NULL)          if (pMainForm == NULL)
513                  return false;                  return false;
514          if (pMainForm->client() == NULL || m_iChannelID < 0)          if (pMainForm->client() == NULL || m_iChannelID < 0)
# Line 515  bool qsamplerChannel::setChannelSolo ( b Line 531  bool qsamplerChannel::setChannelSolo ( b
531    
532    
533  // Audio routing accessors.  // Audio routing accessors.
534  int qsamplerChannel::audioChannel ( int iAudioOut ) const  int Channel::audioChannel ( int iAudioOut ) const
535  {  {
536          return m_audioRouting[iAudioOut];          return m_audioRouting[iAudioOut];
537  }  }
538    
539  bool qsamplerChannel::setAudioChannel ( int iAudioOut, int iAudioIn )  bool Channel::setAudioChannel ( int iAudioOut, int iAudioIn )
540  {  {
541          qsamplerMainForm *pMainForm = qsamplerMainForm::getInstance();          MainForm *pMainForm = MainForm::getInstance();
542          if (pMainForm == NULL)          if (pMainForm == NULL)
543                  return false;                  return false;
544          if (pMainForm->client() == NULL || m_iChannelID < 0)          if (pMainForm->client() == NULL || m_iChannelID < 0)
# Line 545  bool qsamplerChannel::setAudioChannel ( Line 561  bool qsamplerChannel::setAudioChannel (
561  }  }
562    
563  // The audio routing map itself.  // The audio routing map itself.
564  const qsamplerChannelRoutingMap& qsamplerChannel::audioRouting (void) const  const ChannelRoutingMap& Channel::audioRouting (void) const
565  {  {
566          return m_audioRouting;          return m_audioRouting;
567  }  }
568    
569    
570  // Istrument name remapper.  // Istrument name remapper.
571  void qsamplerChannel::updateInstrumentName (void)  void Channel::updateInstrumentName (void)
572  {  {
573  #ifndef CONFIG_INSTRUMENT_NAME  #ifndef CONFIG_INSTRUMENT_NAME
574          m_sInstrumentName = getInstrumentName(m_sInstrumentFile,          m_sInstrumentName = getInstrumentName(m_sInstrumentFile,
# Line 562  void qsamplerChannel::updateInstrumentNa Line 578  void qsamplerChannel::updateInstrumentNa
578    
579    
580  // Update whole channel info state.  // Update whole channel info state.
581  bool qsamplerChannel::updateChannelInfo (void)  bool Channel::updateChannelInfo (void)
582  {  {
583          qsamplerMainForm *pMainForm = qsamplerMainForm::getInstance();          MainForm *pMainForm = MainForm::getInstance();
584          if (pMainForm == NULL)          if (pMainForm == NULL)
585                  return false;                  return false;
586          if (pMainForm->client() == NULL || m_iChannelID < 0)          if (pMainForm->client() == NULL || m_iChannelID < 0)
# Line 580  bool qsamplerChannel::updateChannelInfo Line 596  bool qsamplerChannel::updateChannelInfo
596    
597  #ifdef CONFIG_INSTRUMENT_NAME  #ifdef CONFIG_INSTRUMENT_NAME
598          // We got all actual instrument datum...          // We got all actual instrument datum...
599          m_sInstrumentFile = pChannelInfo->instrument_file;          m_sInstrumentFile =
600                    qsamplerUtilities::lscpEscapedPathToPosix(pChannelInfo->instrument_file);
601          m_iInstrumentNr   = pChannelInfo->instrument_nr;          m_iInstrumentNr   = pChannelInfo->instrument_nr;
602          m_sInstrumentName = pChannelInfo->instrument_name;          m_sInstrumentName =
603                    qsamplerUtilities::lscpEscapedTextToRaw(pChannelInfo->instrument_name);
604  #else  #else
605          // First, check if intrument name has changed,          // First, check if intrument name has changed,
606          // taking care that instrument name lookup might be expensive,          // taking care that instrument name lookup might be expensive,
# Line 654  bool qsamplerChannel::updateChannelInfo Line 672  bool qsamplerChannel::updateChannelInfo
672    
673    
674  // Reset channel method.  // Reset channel method.
675  bool qsamplerChannel::channelReset (void)  bool Channel::channelReset (void)
676  {  {
677          qsamplerMainForm *pMainForm = qsamplerMainForm::getInstance();          MainForm *pMainForm = MainForm::getInstance();
678          if (pMainForm == NULL)          if (pMainForm == NULL)
679                  return false;                  return false;
680          if (pMainForm->client() == NULL || m_iChannelID < 0)          if (pMainForm->client() == NULL || m_iChannelID < 0)
# Line 674  bool qsamplerChannel::channelReset (void Line 692  bool qsamplerChannel::channelReset (void
692    
693    
694  // Spawn instrument editor method.  // Spawn instrument editor method.
695  bool qsamplerChannel::editChannel (void)  bool Channel::editChannel (void)
696  {  {
697  #ifdef CONFIG_EDIT_INSTRUMENT  #ifdef CONFIG_EDIT_INSTRUMENT
698          qsamplerMainForm *pMainForm = qsamplerMainForm::getInstance();  
699            MainForm *pMainForm = MainForm::getInstance();
700          if (pMainForm == NULL)          if (pMainForm == NULL)
701                  return false;                  return false;
702          if (pMainForm->client() == NULL || m_iChannelID < 0)          if (pMainForm->client() == NULL || m_iChannelID < 0)
703                  return false;                  return false;
704    
705          if (::lscp_edit_instrument(pMainForm->client(), m_iChannelID) != LSCP_OK) {          if (::lscp_edit_channel_instrument(pMainForm->client(), m_iChannelID)
706                  appendMessagesClient("lscp_edit_instrument");                  != LSCP_OK) {
707                    appendMessagesClient("lscp_edit_channel_instrument");
708                  appendMessagesError(QObject::tr(                  appendMessagesError(QObject::tr(
709                          "Could not launch an appropriate instrument editor "                          "Could not launch an appropriate instrument editor "
710                          "for the given instrument!\n"                          "for the given instrument!\n\n"
711                          "Make sure you have an appropriate instrument editor like"                          "Make sure you have an appropriate "
712                          "'gigedit' installed and that it placed its mandatory "                          "instrument editor like 'gigedit' installed "
713                          "DLL file into the sampler's plugin directory.")                          "and that it placed its mandatory DLL file "
714                            "into the sampler's plugin directory.")
715                  );                  );
716                  return false;                  return false;
717          }          }
# Line 698  bool qsamplerChannel::editChannel (void) Line 719  bool qsamplerChannel::editChannel (void)
719          appendMessages(QObject::tr("edit instrument."));          appendMessages(QObject::tr("edit instrument."));
720    
721          return true;          return true;
722    
723  #else  #else
724    
725          appendMessagesError(QObject::tr(          appendMessagesError(QObject::tr(
726                  "Sorry, QSampler was compiled for a version of liblscp "                  "Sorry, QSampler was compiled for a version of liblscp "
727                  "which lacks this feature.\n"                  "which lacks this feature.\n\n"
728                  "You may want to update liblscp and recompile QSampler afterwards.")                  "You may want to update liblscp and recompile QSampler afterwards.")
729          );          );
730    
731          return false;          return false;
732    
733  #endif  #endif
734  }  }
735    
736    
737  // Channel setup dialog form.  // Channel setup dialog form.
738  bool qsamplerChannel::channelSetup ( QWidget *pParent )  bool Channel::channelSetup ( QWidget *pParent )
739  {  {
740          qsamplerMainForm *pMainForm = qsamplerMainForm::getInstance();          MainForm *pMainForm = MainForm::getInstance();
741          if (pMainForm == NULL)          if (pMainForm == NULL)
742                  return false;                  return false;
743    
# Line 720  bool qsamplerChannel::channelSetup ( QWi Line 745  bool qsamplerChannel::channelSetup ( QWi
745    
746          appendMessages(QObject::tr("setup..."));          appendMessages(QObject::tr("setup..."));
747    
748          qsamplerChannelForm *pChannelForm = new qsamplerChannelForm(pParent);          ChannelForm *pChannelForm = new ChannelForm(pParent);
749          if (pChannelForm) {          if (pChannelForm) {
750                  pChannelForm->setup(this);                  pChannelForm->setup(this);
751                  bResult = pChannelForm->exec();                  bResult = pChannelForm->exec();
# Line 732  bool qsamplerChannel::channelSetup ( QWi Line 757  bool qsamplerChannel::channelSetup ( QWi
757    
758    
759  // Redirected messages output methods.  // Redirected messages output methods.
760  void qsamplerChannel::appendMessages( const QString& s ) const  void Channel::appendMessages( const QString& s ) const
761  {  {
762          qsamplerMainForm *pMainForm = qsamplerMainForm::getInstance();          MainForm *pMainForm = MainForm::getInstance();
763          if (pMainForm)          if (pMainForm)
764                  pMainForm->appendMessages(channelName() + ' ' + s);                  pMainForm->appendMessages(channelName() + ' ' + s);
765  }  }
766    
767  void qsamplerChannel::appendMessagesColor( const QString& s,  void Channel::appendMessagesColor( const QString& s,
768          const QString& c ) const          const QString& c ) const
769  {  {
770          qsamplerMainForm *pMainForm = qsamplerMainForm::getInstance();          MainForm *pMainForm = MainForm::getInstance();
771          if (pMainForm)          if (pMainForm)
772                  pMainForm->appendMessagesColor(channelName() + ' ' + s, c);                  pMainForm->appendMessagesColor(channelName() + ' ' + s, c);
773  }  }
774    
775  void qsamplerChannel::appendMessagesText( const QString& s ) const  void Channel::appendMessagesText( const QString& s ) const
776  {  {
777          qsamplerMainForm *pMainForm = qsamplerMainForm::getInstance();          MainForm *pMainForm = MainForm::getInstance();
778          if (pMainForm)          if (pMainForm)
779                  pMainForm->appendMessagesText(channelName() + ' ' + s);                  pMainForm->appendMessagesText(channelName() + ' ' + s);
780  }  }
781    
782  void qsamplerChannel::appendMessagesError( const QString& s ) const  void Channel::appendMessagesError( const QString& s ) const
783  {  {
784          qsamplerMainForm *pMainForm = qsamplerMainForm::getInstance();          MainForm *pMainForm = MainForm::getInstance();
785          if (pMainForm)          if (pMainForm)
786                  pMainForm->appendMessagesError(channelName() + "\n\n" + s);                  pMainForm->appendMessagesError(channelName() + "\n\n" + s);
787  }  }
788    
789  void qsamplerChannel::appendMessagesClient( const QString& s ) const  void Channel::appendMessagesClient( const QString& s ) const
790  {  {
791          qsamplerMainForm *pMainForm = qsamplerMainForm::getInstance();          MainForm *pMainForm = MainForm::getInstance();
792          if (pMainForm)          if (pMainForm)
793                  pMainForm->appendMessagesClient(channelName() + ' ' + s);                  pMainForm->appendMessagesClient(channelName() + ' ' + s);
794  }  }
795    
796    
797  // Context menu event handler.  // Context menu event handler.
798  void qsamplerChannel::contextMenuEvent( QContextMenuEvent *pEvent )  void Channel::contextMenuEvent( QContextMenuEvent *pEvent )
799  {  {
800          qsamplerMainForm *pMainForm = qsamplerMainForm::getInstance();          MainForm *pMainForm = MainForm::getInstance();
801          if (pMainForm)          if (pMainForm)
802                  pMainForm->contextMenuEvent(pEvent);                  pMainForm->contextMenuEvent(pEvent);
803  }  }
804    
805    
806  // FIXME: Check whether a given file is an instrument file.  // FIXME: Check whether a given file is an instrument file (DLS only).
807  bool qsamplerChannel::isInstrumentFile ( const QString& sInstrumentFile )  bool Channel::isDlsInstrumentFile ( const QString& sInstrumentFile )
808  {  {
809          bool bResult = false;          bool bResult = false;
810    
811          QFile file(sInstrumentFile);          QFile file(sInstrumentFile);
812          if (file.open(IO_ReadOnly)) {          if (file.open(QIODevice::ReadOnly)) {
813                  char achHeader[16];                  char achHeader[16];
814                  if (file.readBlock(achHeader, 16)) {                  if (file.read(achHeader, 16) > 0) {
815                          bResult = (::memcmp(&achHeader[0], "RIFF", 4)     == 0                          bResult = (::memcmp(&achHeader[0], "RIFF", 4)     == 0
816                                          && ::memcmp(&achHeader[8], "DLS LIST", 8) == 0);                                          && ::memcmp(&achHeader[8], "DLS LIST", 8) == 0);
817                  }                  }
# Line 798  bool qsamplerChannel::isInstrumentFile ( Line 823  bool qsamplerChannel::isInstrumentFile (
823    
824    
825  // Retrieve the instrument list of a instrument file (.gig).  // Retrieve the instrument list of a instrument file (.gig).
826  QStringList qsamplerChannel::getInstrumentList( const QString& sInstrumentFile,  QStringList Channel::getInstrumentList( const QString& sInstrumentFile,
827          bool bInstrumentNames )          bool bInstrumentNames )
828  {  {
         QString sInstrumentName = QFileInfo(sInstrumentFile).fileName();  
829          QStringList instlist;          QStringList instlist;
830    
831          if (isInstrumentFile(sInstrumentFile)) {          if (isDlsInstrumentFile(sInstrumentFile)) {
832  #ifdef CONFIG_LIBGIG          #ifdef CONFIG_LIBGIG
833                  if (bInstrumentNames) {                  if (bInstrumentNames) {
834                          RIFF::File *pRiff = new RIFF::File(sInstrumentFile.latin1());                          RIFF::File *pRiff
835                                    = new RIFF::File(sInstrumentFile.toUtf8().constData());
836                          gig::File  *pGig  = new gig::File(pRiff);                          gig::File  *pGig  = new gig::File(pRiff);
837                    #if HAVE_LIBGIG_SETAUTOLOAD
838                            // prevent sleepy response time on large .gig files
839                            pGig->SetAutoLoad(false);
840                    #endif
841                          gig::Instrument *pInstrument = pGig->GetFirstInstrument();                          gig::Instrument *pInstrument = pGig->GetFirstInstrument();
842                          while (pInstrument) {                          while (pInstrument) {
843                                  instlist.append((pInstrument->pInfo)->Name.c_str());                                  instlist.append((pInstrument->pInfo)->Name.c_str());
# Line 817  QStringList qsamplerChannel::getInstrume Line 846  QStringList qsamplerChannel::getInstrume
846                          delete pGig;                          delete pGig;
847                          delete pRiff;                          delete pRiff;
848                  }                  }
849                  else          #endif
850  #endif          }
851                  for (int iInstrumentNr = 0; iInstrumentNr < QSAMPLER_INSTRUMENT_MAX; iInstrumentNr++)  
852                          instlist.append(sInstrumentName + " [" + QString::number(iInstrumentNr) + "]");          if (instlist.isEmpty()) {
853                    QFileInfo fi(sInstrumentFile);
854                    if (fi.exists()) {
855                            QString sInstrumentName = fi.fileName();
856                            int iInstrumentNr = 0;
857                            while (iInstrumentNr < QSAMPLER_INSTRUMENT_MAX) {
858                                    instlist.append(sInstrumentName
859                                            + " [" + QString::number(++iInstrumentNr) + "]");
860                            }
861                    }
862                    else instlist.append(noInstrumentName());
863          }          }
         else instlist.append(noInstrumentName());  
864    
865          return instlist;          return instlist;
866  }  }
867    
868    
869  // Retrieve the spacific instrument name of a instrument file (.gig), given its index.  // Retrieve the spacific instrument name of a instrument file (.gig), given its index.
870  QString qsamplerChannel::getInstrumentName( const QString& sInstrumentFile,  QString Channel::getInstrumentName( const QString& sInstrumentFile,
871          int iInstrumentNr, bool bInstrumentNames )          int iInstrumentNr, bool bInstrumentNames )
872  {  {
873          QString sInstrumentName;          QString sInstrumentName;
874    
875          if (isInstrumentFile(sInstrumentFile)) {          if (isDlsInstrumentFile(sInstrumentFile)) {
876                  sInstrumentName = QFileInfo(sInstrumentFile).fileName();          #ifdef CONFIG_LIBGIG
 #ifdef CONFIG_LIBGIG  
877                  if (bInstrumentNames) {                  if (bInstrumentNames) {
878                          RIFF::File *pRiff = new RIFF::File(sInstrumentFile.latin1());                          RIFF::File *pRiff
879                          gig::File  *pGig  = new gig::File(pRiff);                                  = new RIFF::File(sInstrumentFile.toUtf8().constData());
880                            gig::File *pGig = new gig::File(pRiff);
881                    #if HAVE_LIBGIG_SETAUTOLOAD
882                            // prevent sleepy response time on large .gig files
883                            pGig->SetAutoLoad(false);
884                    #endif
885                          int iIndex = 0;                          int iIndex = 0;
886                          gig::Instrument *pInstrument = pGig->GetFirstInstrument();                          gig::Instrument *pInstrument = pGig->GetFirstInstrument();
887                          while (pInstrument) {                          while (pInstrument) {
# Line 853  QString qsamplerChannel::getInstrumentNa Line 895  QString qsamplerChannel::getInstrumentNa
895                          delete pGig;                          delete pGig;
896                          delete pRiff;                          delete pRiff;
897                  }                  }
898                  else          #endif
899  #endif          }
900                  sInstrumentName += " [" + QString::number(iInstrumentNr) + "]";  
901            if (sInstrumentName.isEmpty()) {
902                    QFileInfo fi(sInstrumentFile);
903                    if (fi.exists()) {
904                            sInstrumentName  = fi.fileName();
905                            sInstrumentName += " [" + QString::number(iInstrumentNr) + "]";
906                    }
907                    else sInstrumentName = noInstrumentName();
908          }          }
         else sInstrumentName = noInstrumentName();  
909    
910          return sInstrumentName;          return sInstrumentName;
911  }  }
912    
913    
914  // Common invalid name-helpers.  // Common invalid name-helpers.
915  QString qsamplerChannel::noEngineName (void)  QString Channel::noEngineName (void)
916  {  {
917          return QObject::tr("(No engine)");          return QObject::tr("(No engine)");
918  }  }
919    
920  QString qsamplerChannel::noInstrumentName (void)  QString Channel::noInstrumentName (void)
921  {  {
922          return QObject::tr("(No instrument)");          return QObject::tr("(No instrument)");
923  }  }
924    
925  QString qsamplerChannel::loadingInstrument (void) {  QString Channel::loadingInstrument (void) {
926          return QObject::tr("(Loading instrument...)");          return QObject::tr("(Loading instrument...)");
927  }  }
928    
929    
   
930  //-------------------------------------------------------------------------  //-------------------------------------------------------------------------
931  // qsamplerChannelRoutingTable - Channel routing table.  // QSampler::ChannelRoutingModel - data model for audio routing
932  //  //                                 (used for QTableView)
933    
934  // Constructor.  ChannelRoutingModel::ChannelRoutingModel ( QObject *pParent )
935  qsamplerChannelRoutingTable::qsamplerChannelRoutingTable (          : QAbstractTableModel(pParent), m_pDevice(NULL)
936          QWidget *pParent, const char *pszName )  {
         : QTable(pParent, pszName)  
 {  
         // Set fixed number of columns.  
         QTable::setNumCols(2);  
         QTable::setShowGrid(false);  
         QTable::setSorting(false);  
         QTable::setFocusStyle(QTable::FollowStyle);  
         QTable::setSelectionMode(QTable::NoSelection);  
         // No vertical header.  
         QTable::verticalHeader()->hide();  
         QTable::setLeftMargin(0);  
         // Initialize the fixed table column headings.  
         QHeader *pHeader = QTable::horizontalHeader();  
         pHeader->setLabel(0, tr("Sampler Channel"));  
         pHeader->setLabel(1, tr("Device Channel"));  
         // Set read-onlyness of each column  
         QTable::setColumnReadOnly(0, true);  
 //      QTable::setColumnReadOnly(1, false); -- of course not.  
         QTable::setColumnStretchable(1, true);  
937  }  }
938    
939  // Default destructor.  
940  qsamplerChannelRoutingTable::~qsamplerChannelRoutingTable (void)  int ChannelRoutingModel::rowCount ( const QModelIndex& /*parent*/) const
941  {  {
942            return (m_pDevice) ? m_routing.size() : 0;
943  }  }
944    
945    
946  // Routing map table renderer.  int ChannelRoutingModel::columnCount ( const QModelIndex& /*parent*/) const
 void qsamplerChannelRoutingTable::refresh ( qsamplerDevice *pDevice,  
         const qsamplerChannelRoutingMap& routing )  
947  {  {
948          if (pDevice == NULL)          return 1;
949                  return;  }
950    
951    
952    Qt::ItemFlags ChannelRoutingModel::flags ( const QModelIndex& /*index*/) const
953    {
954            return Qt::ItemIsSelectable | Qt::ItemIsEditable | Qt::ItemIsEnabled;
955    }
956    
957    
958          // Always (re)start it empty.  bool ChannelRoutingModel::setData ( const QModelIndex& index,
959          QTable::setUpdatesEnabled(false);          const QVariant& value, int /*role*/)
960          QTable::setNumRows(0);  {
961            if (!index.isValid())
962                    return false;
963    
964            m_routing[index.row()] = value.toInt();
965    
966            emit dataChanged(index, index);
967            return true;
968    }
969    
970    
971    QVariant ChannelRoutingModel::data ( const QModelIndex &index, int role ) const
972    {
973            if (!index.isValid())
974                    return QVariant();
975            if (role != Qt::DisplayRole)
976                    return QVariant();
977            if (index.column() != 0)
978                    return QVariant();
979    
980            ChannelRoutingItem item;
981    
982          // The common device port item list.          // The common device port item list.
983          QStringList opts;          DevicePortList& ports = m_pDevice->ports();
984          qsamplerDevicePortList& ports = pDevice->ports();          QListIterator<DevicePort *> iter(ports);
985          qsamplerDevicePort *pPort;          while (iter.hasNext()) {
986          for (pPort = ports.first(); pPort; pPort = ports.next()) {                  DevicePort *pPort = iter.next();
987                  opts.append(pDevice->deviceTypeName()                  item.options.append(
988                          + ' ' + pDevice->driverName()                          m_pDevice->deviceTypeName()
989                          + ' ' + pPort->portName());                          + ' ' + m_pDevice->driverName()
990          }                          + ' ' + pPort->portName()
991                    );
992          // Those items shall have a proper pixmap...          }
993          QPixmap pmChannel = QPixmap::fromMimeSource("qsamplerChannel.png");  
994          QPixmap pmDevice;          item.selection = m_routing[index.row()];
995          switch (pDevice->deviceType()) {  
996          case qsamplerDevice::Audio:          return QVariant::fromValue(item);
997                  pmDevice = QPixmap::fromMimeSource("audio2.png");  }
998                  break;  
999          case qsamplerDevice::Midi:  
1000                  pmDevice = QPixmap::fromMimeSource("midi2.png");  QVariant ChannelRoutingModel::headerData ( int section,
1001                  break;          Qt::Orientation orientation, int role) const
1002          case qsamplerDevice::None:  {
1003                  break;          if (role != Qt::DisplayRole)
1004          }                  return QVariant();
1005    
1006          // Fill the routing table...          switch (orientation) {
1007          QTable::insertRows(0, routing.count());                  case Qt::Horizontal:
1008          int iRow = 0;                          return UNICODE_RIGHT_ARROW + QObject::tr(" Device Channel");
1009          qsamplerChannelRoutingMap::ConstIterator iter;                  case Qt::Vertical:
1010          for (iter = routing.begin(); iter != routing.end(); ++iter) {                          return QObject::tr("Audio Channel ") +
1011                  QTable::setPixmap(iRow, 0, pmChannel);                                  QString::number(section) + " " + UNICODE_RIGHT_ARROW;
1012                  QTable::setText(iRow, 0, pDevice->deviceTypeName()                  default:
1013                          + ' ' + QString::number(iter.key()));                          return QVariant();
1014                  qsamplerChannelRoutingComboBox *pComboItem =          }
                         new qsamplerChannelRoutingComboBox(this, opts, pmDevice);  
                 pComboItem->setCurrentItem(iter.data());  
                 QTable::setItem(iRow, 1, pComboItem);  
                 ++iRow;  
         }  
   
         // Adjust optimal column widths.  
         QTable::adjustColumn(0);  
         QTable::adjustColumn(1);  
   
         QTable::setUpdatesEnabled(true);  
         QTable::updateContents();  
1015  }  }
1016    
1017    
1018  // Commit any pending editing.  void ChannelRoutingModel::refresh ( Device *pDevice,
1019  void qsamplerChannelRoutingTable::flush (void)          const ChannelRoutingMap& routing )
1020  {  {
1021          if (QTable::isEditing())          m_pDevice = pDevice;
1022              QTable::endEdit(QTable::currEditRow(), QTable::currEditCol(), true, true);          m_routing = routing;
1023            // inform the outer world (QTableView) that our data changed
1024    #if QT_VERSION < 0x050000
1025            QAbstractTableModel::reset();
1026    #else
1027            QAbstractTableModel::beginResetModel();
1028            QAbstractTableModel::endResetModel();
1029    #endif
1030  }  }
1031    
1032    
1033  //-------------------------------------------------------------------------  //-------------------------------------------------------------------------
1034  // qsamplerChannelRoutingComboBox - Custom combo box for routing table.  // QSampler::ChannelRoutingDelegate - table cell renderer for audio routing
1035  //  //
1036    
1037  // Constructor.  ChannelRoutingDelegate::ChannelRoutingDelegate ( QObject *pParent )
1038  qsamplerChannelRoutingComboBox::qsamplerChannelRoutingComboBox (          : QItemDelegate(pParent)
         QTable *pTable, const QStringList& list, const QPixmap& pixmap )  
         : QTableItem(pTable, QTableItem::WhenCurrent, QString::null, pixmap),  
         m_list(list)  
1039  {  {
         m_iCurrentItem = 0;  
1040  }  }
1041    
1042  // Public accessors.  
1043  void qsamplerChannelRoutingComboBox::setCurrentItem ( int iCurrentItem )  QWidget* ChannelRoutingDelegate::createEditor ( QWidget *pParent,
1044            const QStyleOptionViewItem & option, const QModelIndex& index ) const
1045  {  {
1046          m_iCurrentItem = iCurrentItem;          if (!index.isValid())
1047                    return NULL;
1048    
1049            if (index.column() != 0)
1050                    return NULL;
1051    
1052            ChannelRoutingItem item = index.model()->data(index, Qt::DisplayRole).value<ChannelRoutingItem>();
1053    
1054          QTableItem::setText(m_list[iCurrentItem]);          QComboBox* pComboBox = new QComboBox(pParent);
1055            pComboBox->addItems(item.options);
1056            pComboBox->setCurrentIndex(item.selection);
1057            pComboBox->setEnabled(true);
1058            pComboBox->setGeometry(option.rect);
1059            return pComboBox;
1060  }  }
1061    
1062  int qsamplerChannelRoutingComboBox::currentItem (void) const  
1063    void ChannelRoutingDelegate::setEditorData ( QWidget *pEditor,
1064            const QModelIndex &index) const
1065  {  {
1066          return m_iCurrentItem;          ChannelRoutingItem item = index.model()->data(index,
1067                    Qt::DisplayRole).value<ChannelRoutingItem> ();
1068            QComboBox* pComboBox = static_cast<QComboBox*> (pEditor);
1069            pComboBox->setCurrentIndex(item.selection);
1070  }  }
1071    
1072  // Virtual implemetations.  
1073  QWidget *qsamplerChannelRoutingComboBox::createEditor (void) const  void ChannelRoutingDelegate::setModelData ( QWidget* pEditor,
1074            QAbstractItemModel *pModel, const QModelIndex& index ) const
1075  {  {
1076          QComboBox *pComboBox = new QComboBox(QTableItem::table()->viewport());          QComboBox *pComboBox = static_cast<QComboBox*> (pEditor);
1077          QObject::connect(pComboBox, SIGNAL(activated(int)),          pModel->setData(index, pComboBox->currentIndex());
                 QTableItem::table(), SLOT(doValueChanged()));  
         for (QStringList::ConstIterator iter = m_list.begin();  
                         iter != m_list.end(); iter++) {  
                 pComboBox->insertItem(QTableItem::pixmap(), *iter);  
         }  
         pComboBox->setCurrentItem(m_iCurrentItem);  
         return pComboBox;  
1078  }  }
1079    
1080  void qsamplerChannelRoutingComboBox::setContentFromEditor ( QWidget *pWidget )  
1081    void ChannelRoutingDelegate::updateEditorGeometry ( QWidget *pEditor,
1082            const QStyleOptionViewItem& option, const QModelIndex &/* index */) const
1083  {  {
1084          if (pWidget->inherits("QComboBox")) {          pEditor->setGeometry(option.rect);
                 QComboBox *pComboBox = (QComboBox *) pWidget;  
                 m_iCurrentItem = pComboBox->currentItem();  
                 QTableItem::setText(pComboBox->currentText());  
         }  
         else QTableItem::setContentFromEditor(pWidget);  
1085  }  }
1086    
1087    } // namespace QSampler
1088    
1089    
1090  // end of qsamplerChannel.cpp  // end of qsamplerChannel.cpp
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