/[svn]/qsampler/trunk/src/qsamplerChannelStrip.ui.h
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revision 296 by capela, Wed Nov 17 11:51:49 2004 UTC revision 751 by capela, Fri Aug 19 17:10:16 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 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>
29  #include <qobjectlist.h>  #include <qobjectlist.h>
30    #include <qurl.h>
31    
32  #include <math.h>  #include <math.h>
33    
# Line 34  Line 36 
36    
37  #include "config.h"  #include "config.h"
38    
39    // Channel status/usage usage limit control.
40    #define QSAMPLER_ERROR_LIMIT    3
41    
42    
43  // Kind of constructor.  // Kind of constructor.
44  void qsamplerChannelStrip::init (void)  void qsamplerChannelStrip::init (void)
45  {  {
46      // Initialize locals.      // Initialize locals.
     m_pMainForm    = NULL;  
47      m_pChannel     = NULL;      m_pChannel     = NULL;
48      m_iDirtyChange = 0;      m_iDirtyChange = 0;
49            m_iErrorCount  = 0;
50    
51      // Try to restore normal window positioning.      // Try to restore normal window positioning.
52      adjustSize();      adjustSize();
# Line 58  void qsamplerChannelStrip::destroy (void Line 63  void qsamplerChannelStrip::destroy (void
63  }  }
64    
65    
66    // Drag'n'drop file handler.
67    bool qsamplerChannelStrip::decodeDragFile ( const QMimeSource *pEvent, QString& sInstrumentFile )
68    {
69            if (m_pChannel == NULL)
70                    return false;
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 = QUrl((*iter).stripWhiteSpace().replace(QRegExp("^file:"), QString::null)).path();
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 ( qsamplerMainForm *pMainForm, int iChannelID )  void qsamplerChannelStrip::setup ( qsamplerChannel *pChannel )
112  {  {
113      // Set main form reference.      // Destroy any previous channel descriptor;
114      m_pMainForm = pMainForm;      // (remember that once setup we own it!)
       
     // Destroy any previous channel descriptor.  
115      if (m_pChannel)      if (m_pChannel)
116          delete m_pChannel;          delete m_pChannel;
117    
118      // Create a new one...      // Set the new one...
119      m_pChannel = new qsamplerChannel(pMainForm);      m_pChannel = pChannel;
120      // And set appropriate settings.  
     if (m_pChannel && iChannelID >= 0) {  
         m_pChannel->setChannelID(iChannelID);  
         m_iDirtyChange = 0;  
     }  
       
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 125  void qsamplerChannelStrip::setDisplayBac Line 171  void qsamplerChannelStrip::setDisplayBac
171              pLabel->setPaletteBackgroundPixmap(pm);              pLabel->setPaletteBackgroundPixmap(pm);
172          delete pList;          delete pList;
173      }      }
174        
175      // And this standalone too.      // And this standalone too.
176      StreamVoiceCountTextLabel->setPaletteBackgroundPixmap(pm);      StreamVoiceCountTextLabel->setPaletteBackgroundPixmap(pm);
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 = false;          if (m_pChannel == NULL)
194                    return false;
195                    
196            // Invoke the channel setup dialog.
197            bool bResult = m_pChannel->channelSetup(this);
198            // Notify that this channel has changed.
199            if (bResult)
200                    emit channelChanged(this);
201    
202      qsamplerChannelForm *pChannelForm = new qsamplerChannelForm(this);          return bResult;
203      if (pChannelForm) {  }
         pChannelForm->setup(m_pChannel);  
         bResult = pChannelForm->exec();  
         delete pChannelForm;  
     }  
204    
     if (bResult)  
         emit channelChanged(this);  
205    
206      return bResult;  // Channel mute slot.
207    bool qsamplerChannelStrip::channelMute ( bool bMute )
208    {
209            if (m_pChannel == NULL)
210                    return false;
211    
212            // Invoke the channel mute method.
213            bool bResult = m_pChannel->setChannelMute(bMute);
214            // Notify that this channel has changed.
215            if (bResult)
216                    emit channelChanged(this);
217    
218            return bResult;
219  }  }
220    
221    
222  // Update whole channel info state.  // Channel solo slot.
223  void qsamplerChannelStrip::updateChannelInfo (void)  bool qsamplerChannelStrip::channelSolo ( bool bSolo )
224  {  {
225      if (m_pChannel == NULL)          if (m_pChannel == NULL)
226          return;                  return false;
           
     // Update strip caption.  
     QString sText = m_pChannel->channelName();  
     setCaption(sText);  
     ChannelSetupPushButton->setText(sText);  
227    
228      // Check if we're up and connected.          // Invoke the channel solo method.
229      if (m_pChannel->client() == NULL)          bool bResult = m_pChannel->setChannelSolo(bSolo);
230          return;          // Notify that this channel has changed.
231            if (bResult)
232                    emit channelChanged(this);
233    
234      // Read actual channel information.          return bResult;
235      m_pChannel->updateChannelInfo();  }
236    
     // Set some proper display values.  
     const QString sIndent = " ";  
237    
238      // Engine name...  // Channel reset slot.
239      if (m_pChannel->engineName().isEmpty())  bool qsamplerChannelStrip::channelReset (void)
240          EngineNameTextLabel->setText(sIndent + tr("(No engine)"));  {
241      else          if (m_pChannel == NULL)
242          EngineNameTextLabel->setText(sIndent + m_pChannel->engineName());                  return false;
243    
244      // Instrument name...          // Invoke the channel reset method.
245      if (m_pChannel->instrumentFile().isEmpty())          bool bResult = m_pChannel->channelReset();
246          InstrumentNameTextLabel->setText(sIndent + tr("(No instrument)"));          // Notify that this channel has changed.
247      else          if (bResult)
248          InstrumentNameTextLabel->setText(sIndent + QString("%1 [%2]")                  emit channelChanged(this);
             .arg(QFileInfo(m_pChannel->instrumentFile()).fileName()).arg(m_pChannel->instrumentNr()));  
249    
250      // Instrument status...          return bResult;
251      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) + "%");  
     }  
252    
     // MIDI Port/Channel...  
     if (m_pChannel->midiChannel() == LSCP_MIDI_CHANNEL_ALL)  
         MidiPortChannelTextLabel->setText(QString("%1 / *").arg(m_pChannel->midiPort()));  
     else  
         MidiPortChannelTextLabel->setText(QString("%1 / %2").arg(m_pChannel->midiPort()).arg(m_pChannel->midiChannel() + 1));  
253    
254      // And update the both GUI volume elements.  // Update the channel instrument name.
255      updateChannelVolume();  bool qsamplerChannelStrip::updateInstrumentName ( bool bForce )
256    {
257            if (m_pChannel == NULL)
258                    return false;
259    
260            // Do we refresh the actual name?
261            if (bForce)
262                    m_pChannel->updateInstrumentName();
263    
264            // Instrument name...
265            if (m_pChannel->instrumentName().isEmpty()) {
266                    if (m_pChannel->instrumentStatus() >= 0)
267                            InstrumentNameTextLabel->setText(' ' + qsamplerChannel::loadingInstrument());
268                    else
269                            InstrumentNameTextLabel->setText(' ' + qsamplerChannel::noInstrumentName());
270            } else
271                    InstrumentNameTextLabel->setText(' ' + m_pChannel->instrumentName());
272    
273            return true;    
274  }  }
275    
276    
277  // Do the dirty volume change.  // Do the dirty volume change.
278  void qsamplerChannelStrip::updateChannelVolume (void)  bool qsamplerChannelStrip::updateChannelVolume (void)
279  {  {
280      if (m_pChannel == NULL)      if (m_pChannel == NULL)
281          return;          return false;
282    
283      // Convert...      // Convert...
284  #ifdef CONFIG_ROUND  #ifdef CONFIG_ROUND
# Line 234  void qsamplerChannelStrip::updateChannel Line 303  void qsamplerChannelStrip::updateChannel
303      VolumeSlider->setValue(iVolume);      VolumeSlider->setValue(iVolume);
304      VolumeSpinBox->setValue(iVolume);      VolumeSpinBox->setValue(iVolume);
305      m_iDirtyChange--;      m_iDirtyChange--;
306    
307        return true;
308  }  }
309    
310    
311  // Update whole channel usage state.  // Update whole channel info state.
312  void qsamplerChannelStrip::updateChannelUsage (void)  bool qsamplerChannelStrip::updateChannelInfo (void)
313  {  {
314      if (m_pChannel == NULL)      if (m_pChannel == NULL)
315          return;          return false;
316    
317            // Check for error limit/recycle...
318            if (m_iErrorCount > QSAMPLER_ERROR_LIMIT)
319                    return true;
320    
321        // Update strip caption.
322        QString sText = m_pChannel->channelName();
323        setCaption(sText);
324        ChannelSetupPushButton->setText(sText);
325    
326        // Check if we're up and connected.
327      if (m_pChannel->client() == NULL)      if (m_pChannel->client() == NULL)
328          return;          return false;
329    
330      // Conditionally update whole channel status info.      // Read actual channel information.
331      if (m_pChannel->instrumentStatus() >= 0 && m_pChannel->instrumentStatus() < 100) {      m_pChannel->updateChannelInfo();
332          updateChannelInfo();  
333          // Once we get a complete instrument load, try a implied reset channel....      // Engine name...
334          if (m_pChannel->instrumentStatus() == 100)      if (m_pChannel->engineName().isEmpty())
335              m_pChannel->resetChannel();          EngineNameTextLabel->setText(' ' + qsamplerChannel::noEngineName());
336        else
337            EngineNameTextLabel->setText(' ' + m_pChannel->engineName());
338    
339            // Instrument name...
340            updateInstrumentName(false);
341    
342        // MIDI Port/Channel...
343        if (m_pChannel->midiChannel() == LSCP_MIDI_CHANNEL_ALL)
344            MidiPortChannelTextLabel->setText(QString("%1 / *").arg(m_pChannel->midiPort()));
345        else
346            MidiPortChannelTextLabel->setText(QString("%1 / %2").arg(m_pChannel->midiPort()).arg(m_pChannel->midiChannel() + 1));
347    
348        // Instrument status...
349        int iInstrumentStatus = m_pChannel->instrumentStatus();
350        if (iInstrumentStatus < 0) {
351            InstrumentStatusTextLabel->setPaletteForegroundColor(Qt::red);
352            InstrumentStatusTextLabel->setText(tr("ERR%1").arg(iInstrumentStatus));
353            m_iErrorCount++;
354            return false;
355      }      }
356      // Leave, if we still have an erroneus or incomplete instrument load.      // All seems normal...
357      if (m_pChannel->instrumentStatus() < 100)      InstrumentStatusTextLabel->setPaletteForegroundColor(iInstrumentStatus < 100 ? Qt::yellow : Qt::green);
358          return;      InstrumentStatusTextLabel->setText(QString::number(iInstrumentStatus) + '%');
359        m_iErrorCount = 0;
360    
361    #ifdef CONFIG_MUTE_SOLO
362        // Mute/Solo button state coloring...
363        const QColor& rgbNormal = ChannelSetupPushButton->paletteBackgroundColor();
364        bool bMute = m_pChannel->channelMute();
365        ChannelMutePushButton->setPaletteBackgroundColor(bMute ? Qt::red : rgbNormal);
366        ChannelMutePushButton->setDown(bMute);
367        bool bSolo = m_pChannel->channelSolo();
368        ChannelSoloPushButton->setPaletteBackgroundColor(bSolo ? Qt::yellow : rgbNormal);
369        ChannelSoloPushButton->setDown(bSolo);
370    #else
371            ChannelMutePushButton->setEnabled(false);
372            ChannelSoloPushButton->setEnabled(false);
373    #endif
374    
375        // And update the both GUI volume elements;
376        // return success if, and only if, intrument is fully loaded...
377        return updateChannelVolume() && (iInstrumentStatus == 100);
378    }
379    
380    
381    // Update whole channel usage state.
382    bool qsamplerChannelStrip::updateChannelUsage (void)
383    {
384        if (m_pChannel == NULL)
385            return false;
386        if (m_pChannel->client() == NULL)
387            return false;
388    
389            // This only makes sense on fully loaded channels...
390            if (m_pChannel->instrumentStatus() < 100)
391                return false;
392    
393      // Get current channel voice count.      // Get current channel voice count.
394      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());
# Line 268  void qsamplerChannelStrip::updateChannel Line 402  void qsamplerChannelStrip::updateChannel
402      // Update the GUI elements...      // Update the GUI elements...
403      StreamUsageProgressBar->setProgress(iStreamUsage);      StreamUsageProgressBar->setProgress(iStreamUsage);
404      StreamVoiceCountTextLabel->setText(QString("%1 / %2").arg(iStreamCount).arg(iVoiceCount));      StreamVoiceCountTextLabel->setText(QString("%1 / %2").arg(iStreamCount).arg(iVoiceCount));
405    
406        // We're clean.
407        return true;
408  }  }
409    
410    
# Line 297  void qsamplerChannelStrip::volumeChanged Line 434  void qsamplerChannelStrip::volumeChanged
434  // Context menu event handler.  // Context menu event handler.
435  void qsamplerChannelStrip::contextMenuEvent( QContextMenuEvent *pEvent )  void qsamplerChannelStrip::contextMenuEvent( QContextMenuEvent *pEvent )
436  {  {
437      if (m_pMainForm == NULL)      if (m_pChannel == NULL)
438          return;          return;
439            
440      // We'll just show up the main form's edit menu.      // We'll just show up the main form's edit menu (thru qsamplerChannel).
441      m_pMainForm->contextMenuEvent(pEvent);      m_pChannel->contextMenuEvent(pEvent);
442  }  }
443    
444    
445  // Maximum volume slider accessors.  // Error count hackish accessors.
446  void qsamplerChannelStrip::setMaxVolume ( int iMaxVolume )  void qsamplerChannelStrip::resetErrorCount (void)
447  {  {
448      m_iDirtyChange++;          m_iErrorCount = 0;
     VolumeSlider->setRange(0, iMaxVolume);  
     VolumeSpinBox->setRange(0, iMaxVolume);  
     m_iDirtyChange--;  
449  }  }
450    
451    
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