/[svn]/qsampler/trunk/src/qsamplerChannelStrip.ui.h
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revision 341 by capela, Tue Jan 18 11:29:01 2005 UTC revision 961 by capela, Sun Dec 3 18:26:13 2006 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) 2004-2005, rncbc aka Rui Nuno Capela. All rights reserved.     Copyright (C) 2004-2006, 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 14  Line 14 
14     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15     GNU General Public License for more details.     GNU General Public License for more details.
16    
17     You should have received a copy of the GNU General Public License     You should have received a copy of the GNU General Public License along
18     along with this program; if not, write to the Free Software     with this program; if not, write to the Free Software Foundation, Inc.,
19     Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.     51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
20    
21  *****************************************************************************/  *****************************************************************************/
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)
# Line 41  void qsamplerChannelStrip::init (void) Line 46  void qsamplerChannelStrip::init (void)
46      // Initialize locals.      // Initialize locals.
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 57  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 ( qsamplerChannel *pChannel )  void qsamplerChannelStrip::setup ( qsamplerChannel *pChannel )
112  {  {
# Line 70  void qsamplerChannelStrip::setup ( qsamp Line 120  void qsamplerChannelStrip::setup ( qsamp
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 117  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 = 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 this channel has changed.
199            if (bResult)
200                    emit channelChanged(this);
201    
202      if (bResult)          return bResult;
203          emit channelChanged(this);  }
204    
205    
206    // 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;          return bResult;
219  }  }
220    
221    
222  // Update whole channel info state.  // Channel solo slot.
223  bool qsamplerChannelStrip::updateChannelInfo (void)  bool qsamplerChannelStrip::channelSolo ( bool bSolo )
224  {  {
225      if (m_pChannel == NULL)          if (m_pChannel == NULL)
226          return false;                  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 false;          // 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 + qsamplerChannel::getInstrumentName(m_pChannel->instrumentFile(), m_pChannel->instrumentNr()));                  emit channelChanged(this);
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      return 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    
# Line 218  bool qsamplerChannelStrip::updateChannel Line 303  bool 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;      return true;
308  }  }
309    
310    
311  // Update whole channel usage state.  // Update whole channel info state.
312  bool qsamplerChannelStrip::updateChannelUsage (void)  bool qsamplerChannelStrip::updateChannelInfo (void)
313  {  {
314      if (m_pChannel == NULL)      if (m_pChannel == NULL)
315          return false;          return false;
     if (m_pChannel->client() == NULL)  
         return false;  
316    
317      // Update whole channel status info,          // Check for error limit/recycle...
318      // if instrument load is still pending...          if (m_iErrorCount > QSAMPLER_ERROR_LIMIT)
319      if (m_pChannel->instrumentStatus() < 100) {                  return true;
320          updateChannelInfo();  
321          // Check (updated) status again...      // Update strip caption.
322          if (m_pChannel->instrumentStatus() < 100)      QString sText = m_pChannel->channelName();
323              return false;      setCaption(sText);
324          // Once we get a complete instrument load,      ChannelSetupPushButton->setText(sText);
325          // we'll try an implied channel reset...  
326          m_pChannel->resetChannel();      // Check if we're up and connected.
327            qsamplerMainForm *pMainForm = qsamplerMainForm::getInstance();
328            if (pMainForm->client() == NULL)
329                    return false;
330    
331        // Read actual channel information.
332        m_pChannel->updateChannelInfo();
333    
334        // Engine name...
335        if (m_pChannel->engineName().isEmpty())
336            EngineNameTextLabel->setText(' ' + qsamplerChannel::noEngineName());
337        else
338            EngineNameTextLabel->setText(' ' + m_pChannel->engineName());
339    
340            // Instrument name...
341            updateInstrumentName(false);
342    
343        // MIDI Port/Channel...
344        if (m_pChannel->midiChannel() == LSCP_MIDI_CHANNEL_ALL)
345            MidiPortChannelTextLabel->setText(QString("%1 / *").arg(m_pChannel->midiPort()));
346        else
347            MidiPortChannelTextLabel->setText(QString("%1 / %2").arg(m_pChannel->midiPort()).arg(m_pChannel->midiChannel() + 1));
348    
349        // Instrument status...
350        int iInstrumentStatus = m_pChannel->instrumentStatus();
351        if (iInstrumentStatus < 0) {
352            InstrumentStatusTextLabel->setPaletteForegroundColor(Qt::red);
353            InstrumentStatusTextLabel->setText(tr("ERR%1").arg(iInstrumentStatus));
354            m_iErrorCount++;
355            return false;
356      }      }
357            // All seems normal...
358      // Check again that we're clean.      InstrumentStatusTextLabel->setPaletteForegroundColor(iInstrumentStatus < 100 ? Qt::yellow : Qt::green);
359      if (m_pChannel->instrumentStatus() < 100)      InstrumentStatusTextLabel->setText(QString::number(iInstrumentStatus) + '%');
360        m_iErrorCount = 0;
361    
362    #ifdef CONFIG_MUTE_SOLO
363        // Mute/Solo button state coloring...
364        const QColor& rgbNormal = ChannelSetupPushButton->paletteBackgroundColor();
365        bool bMute = m_pChannel->channelMute();
366        ChannelMutePushButton->setPaletteBackgroundColor(bMute ? Qt::red : rgbNormal);
367        ChannelMutePushButton->setDown(bMute);
368        bool bSolo = m_pChannel->channelSolo();
369        ChannelSoloPushButton->setPaletteBackgroundColor(bSolo ? Qt::yellow : rgbNormal);
370        ChannelSoloPushButton->setDown(bSolo);
371    #else
372            ChannelMutePushButton->setEnabled(false);
373            ChannelSoloPushButton->setEnabled(false);
374    #endif
375    
376        // And update the both GUI volume elements;
377        // return success if, and only if, intrument is fully loaded...
378        return updateChannelVolume() && (iInstrumentStatus == 100);
379    }
380    
381    
382    // Update whole channel usage state.
383    bool qsamplerChannelStrip::updateChannelUsage (void)
384    {
385        if (m_pChannel == NULL)
386          return false;          return false;
387    
388            qsamplerMainForm *pMainForm = qsamplerMainForm::getInstance();
389            if (pMainForm->client() == NULL)
390                    return false;
391    
392            // This only makes sense on fully loaded channels...
393            if (m_pChannel->instrumentStatus() < 100)
394                return false;
395    
396      // Get current channel voice count.      // Get current channel voice count.
397      int iVoiceCount  = ::lscp_get_channel_voice_count(m_pChannel->client(), m_pChannel->channelID());      int iVoiceCount  = ::lscp_get_channel_voice_count(pMainForm->client(), m_pChannel->channelID());
398      // Get current stream count.      // Get current stream count.
399      int iStreamCount = ::lscp_get_channel_stream_count(m_pChannel->client(), m_pChannel->channelID());      int iStreamCount = ::lscp_get_channel_stream_count(pMainForm->client(), m_pChannel->channelID());
400      // Get current channel buffer fill usage.      // Get current channel buffer fill usage.
401      // As benno has suggested this is the percentage usage      // As benno has suggested this is the percentage usage
402      // of the least filled buffer stream...      // of the least filled buffer stream...
403      int iStreamUsage = ::lscp_get_channel_stream_usage(m_pChannel->client(), m_pChannel->channelID());;      int iStreamUsage = ::lscp_get_channel_stream_usage(pMainForm->client(), m_pChannel->channelID());;
404    
405      // Update the GUI elements...      // Update the GUI elements...
406      StreamUsageProgressBar->setProgress(iStreamUsage);      StreamUsageProgressBar->setProgress(iStreamUsage);
407      StreamVoiceCountTextLabel->setText(QString("%1 / %2").arg(iStreamCount).arg(iVoiceCount));      StreamVoiceCountTextLabel->setText(QString("%1 / %2").arg(iStreamCount).arg(iVoiceCount));
408        
409      // We're clean.      // We're clean.
410      return true;      return true;
411  }  }
# Line 293  void qsamplerChannelStrip::contextMenuEv Line 439  void qsamplerChannelStrip::contextMenuEv
439  {  {
440      if (m_pChannel == NULL)      if (m_pChannel == NULL)
441          return;          return;
442            
443      // We'll just show up the main form's edit menu (thru qsamplerChannel).      // We'll just show up the main form's edit menu (thru qsamplerChannel).
444      m_pChannel->contextMenuEvent(pEvent);      m_pChannel->contextMenuEvent(pEvent);
445  }  }
446    
447    
448  // Maximum volume slider accessors.  // Error count hackish accessors.
449  void qsamplerChannelStrip::setMaxVolume ( int iMaxVolume )  void qsamplerChannelStrip::resetErrorCount (void)
450  {  {
451      m_iDirtyChange++;          m_iErrorCount = 0;
     VolumeSlider->setRange(0, iMaxVolume);  
     VolumeSpinBox->setRange(0, iMaxVolume);  
     m_iDirtyChange--;  
452  }  }
453    
454    
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