From e40fc849149dd97c248866a4a1d026dda5e57b62 Mon Sep 17 00:00:00 2001
From: Robert Jonsson <spamatica@gmail.com>
Date: Mon, 7 Mar 2011 19:01:11 +0000
Subject: clean3

---
 .../synti/fluidsynth/fluidsynthgui.cpp             | 596 +++++++++++++++++++++
 1 file changed, 596 insertions(+)
 create mode 100644 attic/muse_qt4_evolution/synti/fluidsynth/fluidsynthgui.cpp

(limited to 'attic/muse_qt4_evolution/synti/fluidsynth/fluidsynthgui.cpp')

diff --git a/attic/muse_qt4_evolution/synti/fluidsynth/fluidsynthgui.cpp b/attic/muse_qt4_evolution/synti/fluidsynth/fluidsynthgui.cpp
new file mode 100644
index 00000000..42f812b5
--- /dev/null
+++ b/attic/muse_qt4_evolution/synti/fluidsynth/fluidsynthgui.cpp
@@ -0,0 +1,596 @@
+/*
+ * MusE FLUID Synth softsynth plugin
+ *
+ * Copyright (C) 2004 Mathias Lundgren (lunar_shuttle@users.sourcforge.net)
+ *
+ * $Id: fluidsynthgui.cpp,v 1.19 2006/01/06 22:48:09 wschweer Exp $
+ *
+ */
+
+#include "fluidsynthgui.h"
+#include "fluidsynti.h"
+#include <iostream>
+#include "muse/midi.h"
+#include "xpm/buttondown.xpm"
+
+
+//#define MUSE_FLUID_DEBUG      false
+
+FluidSynthGui::FluidSynthGui()
+      : MessGui()
+      {
+      setupUi(this);
+      //Connect socketnotifier to fifo
+      QSocketNotifier* s = new QSocketNotifier(readFd, QSocketNotifier::Read);
+      connect(s, SIGNAL(activated(int)), SLOT(readMessage(int)));
+      connect (Push, SIGNAL (clicked()), SLOT(loadClicked()));
+
+      pendingFont = "";
+
+      //channelListView->setColumnWidthMode(FS_CHANNEL_COL, Q3ListView::Maximum);
+      //channelListView->setColumnWidthMode(FS_SF_ID_COL,Q3ListView::Maximum);
+      ReverbFrame->setEnabled(true);
+      ChorusFrame->setEnabled(true);
+
+      if (!FS_DEBUG)
+            dumpInfoButton->hide();
+
+      connect(Gain, SIGNAL(valueChanged(int)), SLOT(changeGain(int)));
+      connect(dumpInfoButton	, SIGNAL(clicked()), SLOT(dumpInfo()));
+
+      connect(channelTreeWidget, SIGNAL(itemPressed(QTreeWidgetItem*,int)),
+         this, SLOT(channelItemClicked(QTreeWidgetItem*,int)));
+      connect(sfTreeWidget, SIGNAL(itemPressed(QTreeWidgetItem*,int)),
+         this, SLOT(sfItemClicked(QTreeWidgetItem*,int)));
+
+      connect(Reverb, SIGNAL (toggled(bool)), SLOT(toggleReverb(bool)));
+      connect(ReverbLevel, SIGNAL (valueChanged (int)), SLOT(changeReverbLevel(int)));
+      connect(ReverbRoomSize, SIGNAL (valueChanged (int)), SLOT(changeReverbRoomSize(int)));
+      connect(ReverbDamping, SIGNAL (valueChanged (int)), SLOT(changeReverbDamping(int)));
+      connect(ReverbWidth, SIGNAL (valueChanged (int)), SLOT(changeReverbWidth(int)));
+
+      connect (Pop, SIGNAL (clicked()), SLOT(popClicked()));
+      connect(Chorus, SIGNAL (toggled (bool)), SLOT(toggleChorus (bool)));
+      connect(ChorusNumber, SIGNAL (valueChanged (int)), SLOT(changeChorusNumber (int)));
+      connect(ChorusType, SIGNAL (activated (int)), SLOT(changeChorusType (int)));
+      connect(ChorusSpeed, SIGNAL (valueChanged (int)), SLOT(changeChorusSpeed (int)));
+      connect(ChorusDepth, SIGNAL (valueChanged (int)), SLOT(changeChorusDepth (int)));
+      connect(ChorusLevel, SIGNAL (valueChanged (int)), SLOT(changeChorusLevel (int)));
+
+      //Clear channels
+      for (int i=0; i<FS_MAX_NR_OF_CHANNELS; i++)
+            channels[i] = FS_UNSPECIFIED_ID;
+      }
+
+FluidSynthGui::~FluidSynthGui()
+      {
+      /*
+      delete _notifier;
+      */
+      }
+
+void FluidSynthGui::toggleReverb(bool on)         { sendController(0, FS_REVERB_ON, on); }
+void FluidSynthGui::changeReverbLevel(int val)    { sendController(0, FS_REVERB_LEVEL, val); }
+void FluidSynthGui::changeReverbRoomSize(int val) { sendController(0, FS_REVERB_ROOMSIZE, val); }
+void FluidSynthGui::changeReverbWidth(int val)    { sendController(0, FS_REVERB_WIDTH, val); }
+void FluidSynthGui::changeReverbDamping(int val)  { sendController(0, FS_REVERB_DAMPING, val); }
+
+void FluidSynthGui::toggleChorus(bool val)        { sendController(0, FS_CHORUS_ON, val); }
+void FluidSynthGui::changeChorusNumber(int val)   { sendController(0, FS_CHORUS_NUM, val); }
+void FluidSynthGui::changeChorusType(int val)     { sendController(0, FS_CHORUS_TYPE, val); }
+void FluidSynthGui::changeChorusSpeed(int val)    { sendController(0, FS_CHORUS_SPEED, val); }
+void FluidSynthGui::changeChorusDepth(int val)    { sendController(0, FS_CHORUS_DEPTH, val); }
+void FluidSynthGui::changeChorusLevel(int val)    { sendController(0, FS_CHORUS_LEVEL, val); }
+
+
+void FluidSynthGui::loadClicked()
+      {
+      QString filename = QFileDialog::getOpenFileName(
+         this,
+         tr("Choose soundfont"),
+         lastdir,
+         QString("*.[Ss][Ff]2")
+         );
+      if (!filename.isEmpty()) {
+            QFileInfo fi(filename);
+            lastdir = fi.absolutePath();
+            sendLastdir(lastdir);
+            sendLoadFont(filename);
+            pendingFont = filename;
+            }
+      }
+
+//---------------------------------------------------------
+//   sendLastdir
+//   Send the last dir-value to the client
+//---------------------------------------------------------
+
+void FluidSynthGui::sendLastdir(QString dir)
+      {
+      int l = dir.size() + 2;
+      byte data[l];
+      data[0] = FS_LASTDIR_CHANGE;
+      memcpy(data+1, dir.toLatin1().data(), dir.size()+1);
+      sendSysex(data,l);
+      }
+
+//---------------------------------------------------------
+//   sendLoadFont
+//   Tell the client to load a font with first available id
+//---------------------------------------------------------
+
+void FluidSynthGui::sendLoadFont(QString filename)
+      {
+      int l = filename.length()+3;
+      byte data[l];
+      data[0] = FS_PUSH_FONT;
+      data[1] = FS_UNSPECIFIED_ID;
+      memcpy(data+2, filename.toLatin1().data(), filename.length()+1);
+      sendSysex(data,l);
+      }
+
+//---------------------------------------------------------
+//   processEvent
+//---------------------------------------------------------
+
+void FluidSynthGui::processEvent(const MidiEvent& ev)
+      {
+      //Sysexes sent from the client
+      if (ev.type() == ME_SYSEX) {
+            byte* data = ev.data();
+            switch (*data) {
+                  case FS_LASTDIR_CHANGE:
+                        lastdir = QString((const char*)data+1);
+                        break;
+                  case FS_ERROR: {
+                        char* msg = (char*) (data+1);
+                        QMessageBox::critical(this, "Fluidsynth",QString(msg));
+                        break;
+                        }
+                  case FS_SEND_SOUNDFONTDATA: {
+                        int chunk_len;
+                        int filename_len;
+
+                        int count = (int)*(data+1); //Number of elements
+                        byte* cp = data+2; //Point to beginning of first chunk
+                        sfTreeWidget->clear(); //Clear the listview
+                        stack.clear(); //Clear the stack since we're starting over again
+
+                        while (count) {
+                              FluidGuiSoundFont font;
+                              filename_len = strlen((const char*)cp) + 1;
+                              font.name = (const char*)cp;
+                              font.id = *(cp + filename_len);
+                              chunk_len = filename_len + FS_SFDATALEN;
+                              stack.push_front(font);
+                              cp += chunk_len; //Move to next chunk
+                              count--;
+                              }
+                        updateSoundfontTreeWidget();
+                        updateChannelTreeWidget();
+                        break;
+                        }
+                  case FS_SEND_CHANNELINFO: {
+                        byte* chptr = (data+1);
+                        for (int i=0; i< FS_MAX_NR_OF_CHANNELS; i++) {
+                              byte id = *chptr;
+                              byte channel = *(chptr+1);
+                              channels[channel] = id;
+                              chptr+=2;
+                              }
+                        updateChannelTreeWidget();
+
+                        break;
+                        }
+                  case FS_SEND_DRUMCHANNELINFO: {
+                        byte* drumchptr = (data+1);
+                        for (int i=0; i<FS_MAX_NR_OF_CHANNELS; i++) {
+                              drumchannels[i] = *drumchptr;
+                              drumchptr++;
+                              }
+                        updateChannelTreeWidget();
+                        break;
+                        }
+                  case FS_FONT_SUCCESSFULLY_LOADED: {
+                        byte extid = *(data+1);
+                        QString fn = (const char*) (data+2);
+                        if (FS_DEBUG) {
+                              printf("Font successfully loaded: %s, extid: %d\n", fn.toLatin1().data(), extid);
+                              }
+                        // Try to add last loaded font (if any) to first available channel:
+                        if (pendingFont == fn) {
+                              if (FS_DEBUG)
+                                    printf("Pending font successfully loaded. Add it to first available channel.\n");
+
+                              for (int i=0; i < FS_MAX_NR_OF_CHANNELS; i++) {
+                                    if (channels[i] == FS_UNSPECIFIED_ID) {
+                                          if (FS_DEBUG)
+                                                printf ("sendChannelChange: %d %d\n", extid, i);
+                                          sendChannelChange(extid, i);
+                                          channels[i] = extid;
+                                          updateChannelTreeWidget();
+                                          break;
+                                          }
+                                    }
+                              }
+                        pendingFont = "";
+                        break;
+                        }
+                  default:
+                        if (FS_DEBUG)
+                              printf("FluidSynthGui::processEvent() : Unknown Sysex received: %d\n", ev.type());
+                        break;
+                  }
+            }
+            //Controllers sent from the client:
+      else
+            if(ev.type() == ME_CONTROLLER) {
+                  int id = ev.dataA();
+                  int val = ev.dataB();
+                  switch (id) {
+                        case FS_GAIN: {
+                              bool sb = Gain->signalsBlocked();
+                              Gain->blockSignals(true);
+                              // Update Gain-slider without causing it to respond to it's own signal (and send another msg to the synth)
+                              Gain->setValue(val);
+                              Gain->blockSignals(sb);
+                              break;
+                              }
+                        case FS_REVERB_ON: {
+                              bool sb = Reverb->signalsBlocked();
+                              Reverb->blockSignals(true);
+                              Reverb->setChecked(val);
+                              Reverb->blockSignals(sb);
+                              break;
+                              }
+                        case FS_REVERB_LEVEL: {
+                              bool sb = ReverbLevel->signalsBlocked();
+                              ReverbLevel->blockSignals(true);
+                              ReverbLevel->setValue(val);
+                              ReverbLevel->blockSignals(sb);
+                              break;
+                              }
+                        case FS_REVERB_DAMPING: {
+                              bool sb = ReverbDamping->signalsBlocked();
+                              ReverbDamping->blockSignals(true);
+                              ReverbDamping->setValue(val);
+                              ReverbDamping->blockSignals(sb);
+                              break;
+                              }
+                        case FS_REVERB_ROOMSIZE: {
+                              bool sb = ReverbRoomSize->signalsBlocked();
+                              ReverbRoomSize->blockSignals(true);
+                              ReverbRoomSize->setValue(val);
+                              ReverbRoomSize->blockSignals(sb);
+                              break;
+                              }
+                        case FS_REVERB_WIDTH: {
+                              bool sb = ReverbWidth->signalsBlocked();
+                              ReverbWidth->blockSignals(true);
+                              ReverbWidth->setValue(val);
+                              ReverbWidth->blockSignals(sb);
+                              break;
+                              }
+                        case FS_CHORUS_ON: {
+                              Chorus->blockSignals(true);
+                              Chorus->setChecked(val);
+                              Chorus->blockSignals(false);
+                              break;
+                              }
+                        case FS_CHORUS_SPEED: {
+                              ChorusSpeed->blockSignals(true);
+                              ChorusSpeed->setValue(val);
+                              ChorusSpeed->blockSignals(false);
+                              break;
+                              }
+                        case FS_CHORUS_NUM: {
+                              ChorusNumber->blockSignals(true);
+                              ChorusNumber->setValue(val);
+                              ChorusNumber->blockSignals(false);
+                              break;
+                              }
+                        case FS_CHORUS_TYPE: {
+                              ChorusType->blockSignals(true);
+                              ChorusType->setCurrentIndex(val);
+                              ChorusType->blockSignals(false);
+                              break;
+                              }
+                        case FS_CHORUS_DEPTH: {
+                              ChorusDepth->blockSignals(true);
+                              ChorusDepth->setValue(val);
+                              ChorusDepth->blockSignals(false);
+                              break;
+                              }
+                        case FS_CHORUS_LEVEL: {
+                              ChorusLevel->blockSignals(true);
+                              ChorusLevel->setValue(val);
+                              ChorusLevel->blockSignals(false);
+                              break;
+                              }
+                        default:
+                              if (FS_DEBUG)
+                                    printf("FluidSynthGui::processEvent() : Unknown controller sent to gui: %x\n",id);
+                              break;
+                        }
+                  }
+      else
+            if (FS_DEBUG)
+                  printf("FluidSynthGui::processEvent - unknown event of type %dreceived from synth.\n", ev.type());
+      }
+
+//---------------------------------------------------------
+//   readMessage
+//---------------------------------------------------------
+void FluidSynthGui::readMessage(int)
+      {
+      MessGui::readMessage();
+      }
+
+//---------------------------------------------------------
+//   updateChannels
+//---------------------------------------------------------
+void FluidSynthGui::updateChannelTreeWidget()
+      {
+      if (FS_DEBUG)
+            printf("FluidSynthGui::updateChannelListView\n");
+      channelTreeWidget->clear();
+      QIcon btndown = QIcon(buttondown_xpm);
+
+      QTreeWidgetItem* header = new QTreeWidgetItem();
+      header->setText(FS_CHANNEL_COL, "Channel");
+      header->setText(FS_SF_ID_COL, "Soundfont");
+      header->setText(FS_DRUM_CHANNEL_COL, "Drum Chnl");
+      channelTreeWidget->setHeaderItem(header);
+
+      for (int i=0; i<FS_MAX_NR_OF_CHANNELS; i++) {
+            QString chanstr, sfidstr, drumchanstr;
+
+            //Soundfont id string:
+            if (channels[i] == FS_UNSPECIFIED_ID)
+                  sfidstr = "unspecified";
+            else
+                  sfidstr = getSoundFontName(channels[i]);
+            //Channel string:
+            chanstr = QString::number(i+1);
+            if (chanstr.length()==1)
+                  chanstr = "0" + chanstr;
+
+            //Drumchan string:
+            if (drumchannels[i])
+                  drumchanstr = "Yes";
+            else
+                  drumchanstr = "No";
+            QTreeWidgetItem* qlvNewItem = new QTreeWidgetItem(channelTreeWidget);
+            qlvNewItem->setText(FS_CHANNEL_COL, chanstr);
+            qlvNewItem->setIcon(FS_SF_ID_COL, btndown);
+            qlvNewItem->setText(FS_SF_ID_COL, sfidstr);
+            qlvNewItem->setIcon(FS_DRUM_CHANNEL_COL, btndown);
+            qlvNewItem->setText(FS_DRUM_CHANNEL_COL, drumchanstr);
+            }
+      }
+
+//---------------------------------------------------------
+//   updateSoundfontTreeWidget
+//---------------------------------------------------------
+void FluidSynthGui::updateSoundfontTreeWidget()
+      {
+      sfTreeWidget->clear(); //Clear the listview
+
+      QTreeWidgetItem* header = new QTreeWidgetItem();
+      header->setText(FS_ID_COL, "ID");
+      header->setText(FS_SFNAME_COL, "Fontname");
+      sfTreeWidget->setHeaderItem(header);
+
+      for (std::list<FluidGuiSoundFont>::iterator it = stack.begin(); it != stack.end(); it++) {
+            QTreeWidgetItem* qlvNewItem;
+
+            qlvNewItem = new QTreeWidgetItem(sfTreeWidget);
+            QString qsid = QString("%1").arg(it->id);
+            qlvNewItem->setText(FS_ID_COL, qsid);
+            qlvNewItem->setText(FS_SFNAME_COL, QString(it->name));
+            }
+      //sfTreeWidget->sort();
+      }
+
+//---------------------------------------------------------
+//   changeGain
+//---------------------------------------------------------
+void FluidSynthGui::changeGain(int value)
+      {
+      sendController(0, FS_GAIN, value);
+      }
+
+
+//---------------------------------------------------------
+//   dumpInfoButton
+//---------------------------------------------------------
+void FluidSynthGui::dumpInfo()
+      {
+      byte data[1];
+      data[0] = FS_DUMP_INFO;
+      sendSysex(data, 1);
+      }
+
+//---------------------------------------------------------
+//   getSoundFontName
+//---------------------------------------------------------
+
+QString FluidSynthGui::getSoundFontName(int id)
+      {
+      QString name = NULL;
+      for (std::list<FluidGuiSoundFont>::iterator it = stack.begin(); it != stack.end(); it++) {
+            if (id == it->id) {
+                  name = it->name;
+                  continue;
+                  }
+            }
+      return name;
+      }
+
+//---------------------------------------------------------
+//   channelItemClicked
+// change channel parameters like soundfont / drumchannel on/off
+//---------------------------------------------------------
+
+void FluidSynthGui::channelItemClicked(QTreeWidgetItem* item, int col)
+      {
+      //
+      // Soundfont ID column
+      //
+      if (col == FS_SF_ID_COL) {
+            QMenu* popup = new QMenu(this);
+            QPoint ppt = channelTreeWidget->visualItemRect(item).bottomLeft();
+            QTreeWidget* treeWidget = item->treeWidget();
+            ppt += QPoint(treeWidget->header()->sectionPosition(col), treeWidget->header()->height());
+            ppt  = treeWidget->mapToGlobal(ppt);
+
+            int i = 0;
+            for (std::list<FluidGuiSoundFont>::reverse_iterator it = stack.rbegin(); it != stack.rend(); it++) {
+                  i++;
+                  QAction* a = popup->addAction(it->name);
+                  a->setData(i);
+                  }
+
+            int lastindex = i+1;
+            QAction* a = popup->addAction("unspecified");
+            a->setData(lastindex);
+            a = popup->exec(ppt, 0);
+            if (a) {
+                  int index = a->data().toInt();
+                  byte sfid;
+                  QString fontname;
+                  if (index == lastindex) {
+                        sfid = FS_UNSPECIFIED_ID;
+                        fontname = "unspecified";	//Actually, it's not possible to reset fluid-channels as for now,
+                        } //so this is just a dummy that makes the synth block any events for the channel
+                  else {
+                        sfid = getSoundFontId(a->text());
+                        fontname = getSoundFontName(sfid);
+                        }
+                  byte channel = atoi(item->text(FS_CHANNEL_COL).toLatin1().data()) - 1;
+                  sendChannelChange(sfid, channel);
+                  item->setText(FS_SF_ID_COL, fontname);
+                  }
+            delete popup;
+         }
+      //
+      // Drumchannel column:
+      //
+      else if (col == FS_DRUM_CHANNEL_COL) {
+            QMenu* popup = new QMenu(this);
+            QPoint ppt = channelTreeWidget->visualItemRect(item).bottomLeft();
+            QTreeWidget* treeWidget = item->treeWidget();
+            ppt += QPoint(treeWidget->header()->sectionPosition(col), treeWidget->header()->height());
+            ppt  = treeWidget->mapToGlobal(ppt);
+            QAction* a = popup->addAction("Yes");
+            a->setData(1);
+            a = popup->addAction("No");
+            a->setData(0);
+            byte channel = atoi(item->text(FS_CHANNEL_COL).toLatin1().data()) - 1;
+
+            a = popup->exec(ppt, 0);
+            if (a) {
+                  int index = a->data().toInt();
+                  if (index != drumchannels[channel]) {
+                        sendDrumChannelChange(index, channel);
+                        drumchannels[channel] = index;
+                        item->setText(FS_DRUM_CHANNEL_COL, index == 0 ? "No" : "Yes" );
+                        }
+                  }
+            }
+#if 0
+      else if (col == FS_DRUM_CHANNEL_COL) {
+            Q3PopupMenu* popup = new Q3PopupMenu(this);
+            QPoint ppt = channelListView->itemRect(item).bottomLeft();
+            Q3ListView* listView = item->listView();
+            ppt += QPoint(listView->header()->sectionPos(col), listView->header()->height());
+            ppt  = listView->mapToGlobal(ppt);
+            popup->insertItem("Yes", 1);
+            popup->insertItem("No", 0);
+            byte channel = atoi(item->text(FS_CHANNEL_COL).toLatin1().data()) - 1;
+
+            int index = popup->exec(ppt, 0);
+            if (index != drumchannels[channel] && index !=-1) {
+                  sendDrumChannelChange(index, channel);
+                  drumchannels[channel] = index;
+                  item->setText(FS_DRUM_CHANNEL_COL, index == 0 ? "No" : "Yes" );
+                  }
+            }
+#endif
+      }
+
+//---------------------------------------------------------
+//   getSoundFontId
+//---------------------------------------------------------
+
+int FluidSynthGui::getSoundFontId(QString q)
+      {
+      int id = -1;
+      for (std::list<FluidGuiSoundFont>::iterator it = stack.begin(); it != stack.end(); it++) {
+            if (q == it->name)
+                  id = it->id;
+            }
+      return id;
+      }
+
+//---------------------------------------------------------
+//   sendChannelChange
+// Tell the client to set a soundfont to a specific fluid channel
+//---------------------------------------------------------
+
+void FluidSynthGui::sendChannelChange(byte font_id, byte channel)
+      {
+      byte data[3];
+      data[0] = FS_SOUNDFONT_CHANNEL_SET;
+      data[1] = font_id;
+      data[2] = channel;
+      sendSysex(data, 3);
+      }
+
+//---------------------------------------------------------
+//   sendDrumChannelChange
+// Tell the client to set a specific channel to drum channel (equiv to midichan 10)
+//---------------------------------------------------------
+void FluidSynthGui::sendDrumChannelChange(byte onoff, byte channel)
+      {
+      byte data[3];
+      data[0] = FS_DRUMCHANNEL_SET;
+      data[1] = onoff;
+      data[2] = channel;
+      sendSysex(data, 3);
+      if (FS_DEBUG)
+            printf("Sent FS_DRUMCHANNEL_SET for channel %d, status: %d\n", channel, onoff);
+      }
+
+void FluidSynthGui::popClicked()
+      {
+      byte data[2];
+      data[0] = FS_SOUNDFONT_POP;
+      data[1] = currentlySelectedFont;
+      sendSysex(data,2);
+      }
+
+void FluidSynthGui::sfItemClicked(QTreeWidgetItem* item, int /*column*/)
+      {
+      if (item != 0) {
+            currentlySelectedFont = atoi(item->text(FS_ID_COL).toLatin1().data());
+            Pop->setEnabled(true);
+            }
+      else {
+            currentlySelectedFont = -1;
+            Pop->setEnabled(false);
+            }
+      }
+
+#if 0
+
+
+
+void FluidSynthGui::readData (int fd)
+      {
+      unsigned char buffer[512];
+      int n = ::read(fd, buffer, 512);
+//      dataInput(buffer, n);
+      }
+
+#endif
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