/[svn]/qsampler/trunk/src/qsamplerChannelStrip.ui.h
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revision 299 by capela, Wed Nov 17 15:41:58 2004 UTC revision 395 by capela, Sun Feb 20 19:13:33 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>
# 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    #define QSAMPLER_ERROR_CYCLE    33
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    
72            if (QTextDrag::canDecode(pEvent)) {
73                    QString sText;
74                    if (QTextDrag::decode(pEvent, sText)) {
75                            QStringList files = QStringList::split('\n', sText);
76                            for (QStringList::Iterator iter = files.begin(); iter != files.end(); iter++) {
77                                    *iter = (*iter).stripWhiteSpace().replace(QRegExp("^file:"), QString::null);
78                                    if (qsamplerChannel::isInstrumentFile(*iter)) {
79                                            sInstrumentFile = *iter;
80                                            return true;
81                                    }
82                            }
83                    }
84            }
85            // Fail.
86            return false;
87    }
88    
89    
90    // Window drag-n-drop event handlers.
91    void qsamplerChannelStrip::dragEnterEvent ( QDragEnterEvent* pDragEnterEvent )
92    {
93            QString sInstrumentFile;
94            pDragEnterEvent->accept(decodeDragFile(pDragEnterEvent, sInstrumentFile));
95    }
96    
97    
98    void qsamplerChannelStrip::dropEvent ( QDropEvent* pDropEvent )
99    {
100            QString sInstrumentFile;
101    
102            if (decodeDragFile(pDropEvent, sInstrumentFile)) {
103                    // Go and set the dropped instrument filename...
104                    m_pChannel->setInstrument(sInstrumentFile, 0);
105                    // Open up the channel dialog.
106                    channelSetup();
107            }
108    }
109    
110    
111  // Channel strip setup formal initializer.  // Channel strip setup formal initializer.
112  void qsamplerChannelStrip::setup ( qsamplerMainForm *pMainForm, int iChannelID )  void qsamplerChannelStrip::setup ( qsamplerChannel *pChannel )
113  {  {
114      // Set main form reference.      // Destroy any previous channel descriptor;
115      m_pMainForm = pMainForm;      // (remember that once setup we own it!)
       
     // Destroy any previous channel descriptor.  
116      if (m_pChannel)      if (m_pChannel)
117          delete m_pChannel;          delete m_pChannel;
118    
119      // Create a new one...      // Set the new one...
120      m_pChannel = new qsamplerChannel(pMainForm);      m_pChannel = pChannel;
     // And set appropriate settings.  
     if (m_pChannel && iChannelID >= 0) {  
         m_pChannel->setChannelID(iChannelID);  
         m_iDirtyChange = 0;  
     }  
121            
122      // Stabilize this around.      // Stabilize this around.
123      updateChannelInfo();      updateChannelInfo();
124    
125            // We'll accept drops from now on...
126            if (m_pChannel)
127                    setAcceptDrops(true);
128  }  }
129    
130  // Channel secriptor accessor.  // Channel secriptor accessor.
# Line 131  void qsamplerChannelStrip::setDisplayBac Line 178  void qsamplerChannelStrip::setDisplayBac
178  }  }
179    
180    
181    // Maximum volume slider accessors.
182    void qsamplerChannelStrip::setMaxVolume ( int iMaxVolume )
183    {
184        m_iDirtyChange++;
185        VolumeSlider->setRange(0, iMaxVolume);
186        VolumeSpinBox->setRange(0, iMaxVolume);
187        m_iDirtyChange--;
188    }
189    
190    
191  // Channel setup dialog slot.  // Channel setup dialog slot.
192  bool qsamplerChannelStrip::channelSetup (void)  bool qsamplerChannelStrip::channelSetup (void)
193  {  {
194      bool bResult = false;          // Invoke the channel setup dialog.
195            bool bResult = m_pChannel->channelSetup(this);
196    
197      qsamplerChannelForm *pChannelForm = new qsamplerChannelForm(this);          if (bResult) {
198      if (pChannelForm) {                  // Reset the error/cycle.
199          pChannelForm->setup(m_pChannel);                  m_iErrorCount = 0;
200          bResult = pChannelForm->exec();                  // Notify that thie channel has changed.
201          delete pChannelForm;                  emit channelChanged(this);
202      }          }
203    
204      if (bResult)          return bResult;
205          emit channelChanged(this);  }
206    
207    
208    // Update the channel instrument name.
209    bool qsamplerChannelStrip::updateInstrumentName ( bool bForce )
210    {
211            if (m_pChannel == NULL)
212                    return false;
213    
214      return bResult;          // Do we refersh the actual name?
215            if (bForce)
216                    m_pChannel->updateInstrumentName();
217    
218            // Instrument name...
219            if (m_pChannel->instrumentName().isEmpty())
220                    InstrumentNameTextLabel->setText(' ' + qsamplerChannel::noInstrumentName());
221            else
222                    InstrumentNameTextLabel->setText(' ' + m_pChannel->instrumentName());
223    
224            return true;    
225  }  }
226    
227    
# Line 168  bool qsamplerChannelStrip::updateChannel Line 243  bool qsamplerChannelStrip::updateChannel
243      // Read actual channel information.      // Read actual channel information.
244      m_pChannel->updateChannelInfo();      m_pChannel->updateChannelInfo();
245    
     // Set some proper display values.  
     const QString sIndent = " ";  
   
246      // Engine name...      // Engine name...
247      if (m_pChannel->engineName().isEmpty())      if (m_pChannel->engineName().isEmpty())
248          EngineNameTextLabel->setText(sIndent + tr("(No engine)"));          EngineNameTextLabel->setText(' ' + qsamplerChannel::noEngineName());
249      else      else
250          EngineNameTextLabel->setText(sIndent + m_pChannel->engineName());          EngineNameTextLabel->setText(' ' + m_pChannel->engineName());
251    
252      // Instrument name...          // Instrument name...
253      if (m_pChannel->instrumentFile().isEmpty())          updateInstrumentName(false);
         InstrumentNameTextLabel->setText(sIndent + tr("(No instrument)"));  
     else  
         InstrumentNameTextLabel->setText(sIndent + qsamplerChannel::getInstrumentName(m_pChannel->instrumentFile(), m_pChannel->instrumentNr()));  
254    
255      // Instrument status...      // Instrument status...
256      int iInstrumentStatus = m_pChannel->instrumentStatus();      int iInstrumentStatus = m_pChannel->instrumentStatus();
# Line 246  bool qsamplerChannelStrip::updateChannel Line 315  bool qsamplerChannelStrip::updateChannel
315      if (m_pChannel->client() == NULL)      if (m_pChannel->client() == NULL)
316          return false;          return false;
317    
318      // Conditionally update whole channel status info.          // Check for error limit/recycle...
319      if (m_pChannel->instrumentStatus() >= 0 && m_pChannel->instrumentStatus() < 100) {          if (m_iErrorCount > QSAMPLER_ERROR_LIMIT)
320          updateChannelInfo();                  m_iErrorCount -= QSAMPLER_ERROR_CYCLE;
321          // Once we get a complete instrument load, try a implied reset channel....          if (m_iErrorCount < 0) {
322          if (m_pChannel->instrumentStatus() == 100)                  m_iErrorCount++;
323              m_pChannel->resetChannel();                  return false;
324      }          }
325      // Leave, if we still have an erroneus or incomplete instrument load.  
326      if (m_pChannel->instrumentStatus() < 100)          // Update whole channel status info,
327          return false;          // if instrument load is still pending...
328            if (m_pChannel->instrumentStatus() < 100) {
329                    // grab the whole sampler channel data...
330                    updateChannelInfo();
331                    // Check (updated) status again...
332                    int iInstrumentStatus = m_pChannel->instrumentStatus();
333                    if (iInstrumentStatus < 100) {
334                            if (iInstrumentStatus < 0)
335                                    m_iErrorCount++;
336                            return false;
337                    }
338                    // Once we get a complete instrument load,
339                    // we'll try an implied channel reset...
340                    m_pChannel->resetChannel();
341                    // Reset error count.
342                    m_iErrorCount = 0;
343            }
344        
345      // Get current channel voice count.      // Get current channel voice count.
346      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());
347      // Get current stream count.      // Get current stream count.
# Line 301  void qsamplerChannelStrip::volumeChanged Line 386  void qsamplerChannelStrip::volumeChanged
386  // Context menu event handler.  // Context menu event handler.
387  void qsamplerChannelStrip::contextMenuEvent( QContextMenuEvent *pEvent )  void qsamplerChannelStrip::contextMenuEvent( QContextMenuEvent *pEvent )
388  {  {
389      if (m_pMainForm == NULL)      if (m_pChannel == NULL)
390          return;          return;
391                    
392      // We'll just show up the main form's edit menu.      // We'll just show up the main form's edit menu (thru qsamplerChannel).
393      m_pMainForm->contextMenuEvent(pEvent);      m_pChannel->contextMenuEvent(pEvent);
 }  
   
   
 // Maximum volume slider accessors.  
 void qsamplerChannelStrip::setMaxVolume ( int iMaxVolume )  
 {  
     m_iDirtyChange++;  
     VolumeSlider->setRange(0, iMaxVolume);  
     VolumeSpinBox->setRange(0, iMaxVolume);  
     m_iDirtyChange--;  
394  }  }
395    
396    
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