/[svn]/qsampler/trunk/src/qsamplerChannelStrip.ui.h
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revision 388 by capela, Thu Feb 17 17:27:59 2005 UTC revision 400 by capela, Mon Feb 21 15:02:58 2005 UTC
# Line 22  Line 22 
22    
23  #include <qvalidator.h>  #include <qvalidator.h>
24  #include <qmessagebox.h>  #include <qmessagebox.h>
25    #include <qdragobject.h>
26  #include <qfileinfo.h>  #include <qfileinfo.h>
27  #include <qtooltip.h>  #include <qtooltip.h>
28  #include <qpopupmenu.h>  #include <qpopupmenu.h>
# Line 34  Line 35 
35    
36  #include "config.h"  #include "config.h"
37    
38    // Channel status/usage usage limit control.
39    #define QSAMPLER_ERROR_LIMIT    3
40    
41    
42  // Kind of constructor.  // Kind of constructor.
43  void qsamplerChannelStrip::init (void)  void qsamplerChannelStrip::init (void)
# Line 41  void qsamplerChannelStrip::init (void) Line 45  void qsamplerChannelStrip::init (void)
45      // Initialize locals.      // Initialize locals.
46      m_pChannel     = NULL;      m_pChannel     = NULL;
47      m_iDirtyChange = 0;      m_iDirtyChange = 0;
48            m_iErrorCount  = 0;
49    
50      // Try to restore normal window positioning.      // Try to restore normal window positioning.
51      adjustSize();      adjustSize();
# Line 57  void qsamplerChannelStrip::destroy (void Line 62  void qsamplerChannelStrip::destroy (void
62  }  }
63    
64    
65    // Drag'n'drop file handler.
66    bool qsamplerChannelStrip::decodeDragFile ( const QMimeSource *pEvent, QString& sInstrumentFile )
67    {
68            if (m_pChannel == NULL)
69                    return false;
70    
71            if (QTextDrag::canDecode(pEvent)) {
72                    QString sText;
73                    if (QTextDrag::decode(pEvent, sText)) {
74                            QStringList files = QStringList::split('\n', sText);
75                            for (QStringList::Iterator iter = files.begin(); iter != files.end(); iter++) {
76                                    *iter = (*iter).stripWhiteSpace().replace(QRegExp("^file:"), QString::null);
77                                    if (qsamplerChannel::isInstrumentFile(*iter)) {
78                                            sInstrumentFile = *iter;
79                                            return true;
80                                    }
81                            }
82                    }
83            }
84            // Fail.
85            return false;
86    }
87    
88    
89    // Window drag-n-drop event handlers.
90    void qsamplerChannelStrip::dragEnterEvent ( QDragEnterEvent* pDragEnterEvent )
91    {
92            QString sInstrumentFile;
93            pDragEnterEvent->accept(decodeDragFile(pDragEnterEvent, sInstrumentFile));
94    }
95    
96    
97    void qsamplerChannelStrip::dropEvent ( QDropEvent* pDropEvent )
98    {
99            QString sInstrumentFile;
100    
101            if (decodeDragFile(pDropEvent, sInstrumentFile)) {
102                    // Go and set the dropped instrument filename...
103                    m_pChannel->setInstrument(sInstrumentFile, 0);
104                    // Open up the channel dialog.
105                    channelSetup();
106            }
107    }
108    
109    
110  // Channel strip setup formal initializer.  // Channel strip setup formal initializer.
111  void qsamplerChannelStrip::setup ( qsamplerChannel *pChannel )  void qsamplerChannelStrip::setup ( qsamplerChannel *pChannel )
112  {  {
# Line 67  void qsamplerChannelStrip::setup ( qsamp Line 117  void qsamplerChannelStrip::setup ( qsamp
117    
118      // Set the new one...      // Set the new one...
119      m_pChannel = pChannel;      m_pChannel = pChannel;
120        
121      // Stabilize this around.      // Stabilize this around.
122      updateChannelInfo();      updateChannelInfo();
123    
124            // We'll accept drops from now on...
125            if (m_pChannel)
126                    setAcceptDrops(true);
127  }  }
128    
129  // Channel secriptor accessor.  // Channel secriptor accessor.
# Line 123  void qsamplerChannelStrip::setDisplayBac Line 177  void qsamplerChannelStrip::setDisplayBac
177  }  }
178    
179    
180    // Maximum volume slider accessors.
181    void qsamplerChannelStrip::setMaxVolume ( int iMaxVolume )
182    {
183        m_iDirtyChange++;
184        VolumeSlider->setRange(0, iMaxVolume);
185        VolumeSpinBox->setRange(0, iMaxVolume);
186        m_iDirtyChange--;
187    }
188    
189    
190  // Channel setup dialog slot.  // Channel setup dialog slot.
191  bool qsamplerChannelStrip::channelSetup (void)  bool qsamplerChannelStrip::channelSetup (void)
192  {  {
193      bool bResult = m_pChannel->channelSetup(this);          if (m_pChannel == NULL)
194                    return false;
195                    
196            // Invoke the channel setup dialog.
197            bool bResult = m_pChannel->channelSetup(this);
198            // Notify that thie channel has changed.
199            if (bResult)
200                    emit channelChanged(this);
201    
202      if (bResult)          return bResult;
203          emit channelChanged(this);  }
204    
205    
206    // Channel reset slot.
207    bool qsamplerChannelStrip::channelReset (void)
208    {
209            if (m_pChannel == NULL)
210                    return false;
211    
212      return bResult;          // Invoke the channel reset method.
213            bool bResult = m_pChannel->channelReset();
214            // Notify that thie channel has changed.
215            if (bResult)
216                    emit channelChanged(this);
217    
218            return bResult;
219  }  }
220    
221    
# Line 155  bool qsamplerChannelStrip::updateInstrum Line 239  bool qsamplerChannelStrip::updateInstrum
239  }  }
240    
241    
242    // Do the dirty volume change.
243    bool qsamplerChannelStrip::updateChannelVolume (void)
244    {
245        if (m_pChannel == NULL)
246            return false;
247    
248        // Convert...
249    #ifdef CONFIG_ROUND
250        int iVolume = (int) ::round(100.0 * m_pChannel->volume());
251    #else
252        double fIPart = 0.0;
253        double fFPart = ::modf(100.0 * m_pChannel->volume(), &fIPart);
254        int iVolume = (int) fIPart;
255        if (fFPart >= +0.5)
256            iVolume++;
257        else
258        if (fFPart <= -0.5)
259            iVolume--;
260    #endif
261    
262        // And clip...
263        if (iVolume < 0)
264            iVolume = 0;
265    
266        // Flag it here, to avoid infinite recursion.
267        m_iDirtyChange++;
268        VolumeSlider->setValue(iVolume);
269        VolumeSpinBox->setValue(iVolume);
270        m_iDirtyChange--;
271    
272        return true;
273    }
274    
275    
276  // Update whole channel info state.  // Update whole channel info state.
277  bool qsamplerChannelStrip::updateChannelInfo (void)  bool qsamplerChannelStrip::updateChannelInfo (void)
278  {  {
279      if (m_pChannel == NULL)      if (m_pChannel == NULL)
280          return false;          return false;
281                    
282            // Check for error limit/recycle...
283            if (m_iErrorCount > QSAMPLER_ERROR_LIMIT)
284                    return true;
285    
286      // Update strip caption.      // Update strip caption.
287      QString sText = m_pChannel->channelName();      QString sText = m_pChannel->channelName();
288      setCaption(sText);      setCaption(sText);
# Line 182  bool qsamplerChannelStrip::updateChannel Line 304  bool qsamplerChannelStrip::updateChannel
304          // Instrument name...          // Instrument name...
305          updateInstrumentName(false);          updateInstrumentName(false);
306    
     // Instrument status...  
     int iInstrumentStatus = m_pChannel->instrumentStatus();  
     if (iInstrumentStatus < 0) {  
         InstrumentStatusTextLabel->setPaletteForegroundColor(Qt::red);  
         InstrumentStatusTextLabel->setText(tr("ERR%1").arg(iInstrumentStatus));  
     } else {  
         InstrumentStatusTextLabel->setPaletteForegroundColor(iInstrumentStatus < 100 ? Qt::yellow : Qt::green);  
         InstrumentStatusTextLabel->setText(QString::number(iInstrumentStatus) + "%");  
     }  
   
307      // MIDI Port/Channel...      // MIDI Port/Channel...
308      if (m_pChannel->midiChannel() == LSCP_MIDI_CHANNEL_ALL)      if (m_pChannel->midiChannel() == LSCP_MIDI_CHANNEL_ALL)
309          MidiPortChannelTextLabel->setText(QString("%1 / *").arg(m_pChannel->midiPort()));          MidiPortChannelTextLabel->setText(QString("%1 / *").arg(m_pChannel->midiPort()));
310      else      else
311          MidiPortChannelTextLabel->setText(QString("%1 / %2").arg(m_pChannel->midiPort()).arg(m_pChannel->midiChannel() + 1));          MidiPortChannelTextLabel->setText(QString("%1 / %2").arg(m_pChannel->midiPort()).arg(m_pChannel->midiChannel() + 1));
312    
313      // And update the both GUI volume elements.      // Instrument status...
314      return updateChannelVolume();      int iInstrumentStatus = m_pChannel->instrumentStatus();
315  }      if (iInstrumentStatus < 0) {
316            InstrumentStatusTextLabel->setPaletteForegroundColor(Qt::red);
317            InstrumentStatusTextLabel->setText(tr("ERR%1").arg(iInstrumentStatus));
318  // Do the dirty volume change.          m_iErrorCount++;
 bool qsamplerChannelStrip::updateChannelVolume (void)  
 {  
     if (m_pChannel == NULL)  
319          return false;          return false;
320        }
321      // Convert...      // All seems normal...
322  #ifdef CONFIG_ROUND      InstrumentStatusTextLabel->setPaletteForegroundColor(iInstrumentStatus < 100 ? Qt::yellow : Qt::green);
323      int iVolume = (int) ::round(100.0 * m_pChannel->volume());      InstrumentStatusTextLabel->setText(QString::number(iInstrumentStatus) + '%');
324  #else      m_iErrorCount = 0;
325      double fIPart = 0.0;  
326      double fFPart = ::modf(100.0 * m_pChannel->volume(), &fIPart);      // And update the both GUI volume elements;
327      int iVolume = (int) fIPart;      // return success if, and only if, intrument is fully loaded...
328      if (fFPart >= +0.5)      return updateChannelVolume() && (iInstrumentStatus == 100);
         iVolume++;  
     else  
     if (fFPart <= -0.5)  
         iVolume--;  
 #endif  
   
     // And clip...  
     if (iVolume < 0)  
         iVolume = 0;  
   
     // Flag it here, to avoid infinite recursion.  
     m_iDirtyChange++;  
     VolumeSlider->setValue(iVolume);  
     VolumeSpinBox->setValue(iVolume);  
     m_iDirtyChange--;  
       
     return true;  
329  }  }
330    
331    
# Line 245  bool qsamplerChannelStrip::updateChannel Line 337  bool qsamplerChannelStrip::updateChannel
337      if (m_pChannel->client() == NULL)      if (m_pChannel->client() == NULL)
338          return false;          return false;
339    
340      // Update whole channel status info,          // This only makes sense on fully loaded channels...
341      // if instrument load is still pending...          if (m_pChannel->instrumentStatus() < 100)
342      if (m_pChannel->instrumentStatus() < 100) {              return false;
343          updateChannelInfo();              
         // Check (updated) status again...  
         if (m_pChannel->instrumentStatus() < 100)  
             return false;  
         // Once we get a complete instrument load,  
         // we'll try an implied channel reset...  
         m_pChannel->resetChannel();  
     }  
       
     // Check again that we're clean.  
     if (m_pChannel->instrumentStatus() < 100)  
         return false;  
   
344      // Get current channel voice count.      // Get current channel voice count.
345      int iVoiceCount  = ::lscp_get_channel_voice_count(m_pChannel->client(), m_pChannel->channelID());      int iVoiceCount  = ::lscp_get_channel_voice_count(m_pChannel->client(), m_pChannel->channelID());
346      // Get current stream count.      // Get current stream count.
# Line 313  void qsamplerChannelStrip::contextMenuEv Line 393  void qsamplerChannelStrip::contextMenuEv
393  }  }
394    
395    
 // Maximum volume slider accessors.  
 void qsamplerChannelStrip::setMaxVolume ( int iMaxVolume )  
 {  
     m_iDirtyChange++;  
     VolumeSlider->setRange(0, iMaxVolume);  
     VolumeSpinBox->setRange(0, iMaxVolume);  
     m_iDirtyChange--;  
 }  
   
   
396  // end of qsamplerChannelStrip.ui.h  // end of qsamplerChannelStrip.ui.h
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