added drummap page to instrument editor

adapted dlist to be reusable
added dtor to patch_drummap_mapping_t
changed affected_patches from list to single entry
TODO: maybe move dlist and stuff out of midiedit
still TODO: offer a way to re-tie drumlist-ordering to the instrument

5 files changed, 1136 insertions, 47 deletions

diff --git a/muse2/muse/instruments/editinstrument.cpp b/muse2/muse/instruments/editinstrument.cpp
index b90b872e..8a8b4be0 100644
--- a/muse2/muse/instruments/editinstrument.cpp
+++ b/muse2/muse/instruments/editinstrument.cpp
@@ -32,6 +32,9 @@
 #include <QMessageBox>
 #include <QLineEdit>
 #include <QWhatsThis>
+#include <QStringListModel>
+#include <QScrollBar>
+#include <list>
 
 #include "editinstrument.h"
 #include "minstrument.h"
@@ -42,10 +45,15 @@
 #include "gconfig.h"
 #include "icons.h"
 
+#include "dlist.h"
+#include "drummap.h"
+#include "header.h"
+#include "drumedit.h" // FINDMICHJETZT only needed for COL_FOO. fix that!
+
 namespace MusEGui {
 
 enum {
-      COL_NAME = 0, COL_TYPE,
+      COL_CNAME = 0, COL_TYPE,
       COL_HNUM, COL_LNUM, COL_MIN, COL_MAX, COL_DEF
       };
 
@@ -72,10 +80,10 @@ EditInstrument::EditInstrument(QWidget* parent, Qt::WFlags fl)
       // populate instrument list
       // Populate common controller list.
       for(int i = 0; i < 128; ++i)
-	{
-	  QListWidgetItem *lci = new QListWidgetItem(MusECore::midiCtrlName(i));
-	  listController->addItem(lci);
-	}
+      {
+        QListWidgetItem *lci = new QListWidgetItem(MusECore::midiCtrlName(i));
+        listController->addItem(lci);
+      }
       oldMidiInstrument = 0;
       oldPatchItem = 0;
       for (MusECore::iMidiInstrument i = MusECore::midiInstruments.begin(); i != MusECore::midiInstruments.end(); ++i) {
@@ -105,8 +113,66 @@ EditInstrument::EditInstrument(QWidget* parent, Qt::WFlags fl)
 //        workingInstrument.assign( *wip );
       
       
+      dlist_header = new Header(dlistContainer, "header");
+      dlist_header->setFixedHeight(31);
+      dlist_header->setColumnLabel(tr("Name"), COL_NAME, 120);
+      dlist_header->setColumnLabel(tr("Vol"), COL_VOLUME);
+      dlist_header->setColumnLabel(tr("Quant"), COL_QUANT, 30);
+      dlist_header->setColumnLabel(tr("E-Note"), COL_INPUTTRIGGER, 50);
+      dlist_header->setColumnLabel(tr("Len"), COL_NOTELENGTH);
+      dlist_header->setColumnLabel(tr("A-Note"), COL_NOTE, 50);
+      dlist_header->setColumnLabel(tr("LV1"), COL_LEVEL1);
+      dlist_header->setColumnLabel(tr("LV2"), COL_LEVEL2);
+      dlist_header->setColumnLabel(tr("LV3"), COL_LEVEL3);
+      dlist_header->setColumnLabel(tr("LV4"), COL_LEVEL4);
+      dlist_header->hideSection(COL_OUTPORT);
+      dlist_header->hideSection(COL_OUTCHANNEL);
+      dlist_header->hideSection(COL_HIDE);
+      dlist_header->hideSection(COL_MUTE);
+      dlist_header->hide();
+      
+      
+      connect(patchFromBox, SIGNAL(valueChanged(int)), this, SLOT(patchCollectionSpinboxChanged(int)));
+      connect(patchToBox,   SIGNAL(valueChanged(int)), this, SLOT(patchCollectionSpinboxChanged(int)));
+      connect(lbankFromBox, SIGNAL(valueChanged(int)), this, SLOT(patchCollectionSpinboxChanged(int)));
+      connect(lbankToBox,   SIGNAL(valueChanged(int)), this, SLOT(patchCollectionSpinboxChanged(int)));
+      connect(hbankFromBox, SIGNAL(valueChanged(int)), this, SLOT(patchCollectionSpinboxChanged(int)));
+      connect(hbankToBox,   SIGNAL(valueChanged(int)), this, SLOT(patchCollectionSpinboxChanged(int)));
+      connect(patchCheckbox, SIGNAL(toggled(bool)), this, SLOT(patchCollectionCheckboxChanged(bool)));
+      connect(lbankCheckbox, SIGNAL(toggled(bool)), this, SLOT(patchCollectionCheckboxChanged(bool)));
+      connect(hbankCheckbox, SIGNAL(toggled(bool)), this, SLOT(patchCollectionCheckboxChanged(bool)));
+      
+      connect(addCollBtn, SIGNAL(clicked()), this, SLOT(addPatchCollection()));
+      connect(rmCollBtn, SIGNAL(clicked()), this, SLOT(delPatchCollection()));
+      connect(copyCollBtn, SIGNAL(clicked()), this, SLOT(copyPatchCollection()));
+      connect(collUpBtn, SIGNAL(clicked()), this, SLOT(patchCollectionUp()));
+      connect(collDownBtn, SIGNAL(clicked()), this, SLOT(patchCollectionDown()));
+      
+      connect(patchCollections, SIGNAL(activated(const QModelIndex&)), this, SLOT(patchActivated(const QModelIndex&)));
+      connect(patchCollections, SIGNAL(clicked  (const QModelIndex&)), this, SLOT(patchActivated(const QModelIndex&)));
+      
+      patch_coll_model=new QStringListModel();
+      patchCollections->setModel(patch_coll_model);
+      patchCollections->setEditTriggers(QAbstractItemView::NoEditTriggers);
+      
       connect(instrumentList, SIGNAL(itemSelectionChanged()), SLOT(instrumentChanged()));
       connect(patchView, SIGNAL(itemSelectionChanged()), SLOT(patchChanged()));
+
+      dlist_vscroll = new QScrollBar(Qt::Vertical, this);
+      dlist_vscroll->setMaximum(128*TH);
+      dlist_vscroll->hide();
+      
+      dlist_grid = new QGridLayout(dlistContainer);
+      dlist_grid->setContentsMargins(0, 0, 0, 0);
+      dlist_grid->setSpacing(0);  
+      dlist_grid->setRowStretch(1, 100);
+      dlist_grid->setColumnStretch(0, 100);
+      dlist_grid->addWidget(dlist_header, 0, 0);
+      dlist_grid->addWidget(dlist_vscroll, 1,1);
+      
+      dlist=NULL;
+
+
       
       //instrumentChanged();
       changeInstrument();
@@ -151,6 +217,306 @@ EditInstrument::EditInstrument(QWidget* parent, Qt::WFlags fl)
       //connect(newSysex, SIGNAL(clicked()), SLOT(newSysexClicked()));
       }
 
+
+void EditInstrument::patchCollectionSpinboxChanged(int)
+{
+  if (patchFromBox->value() > patchToBox->value())
+    patchToBox->setValue(patchFromBox->value());
+
+  if (lbankFromBox->value() > lbankToBox->value())
+    lbankToBox->setValue(lbankFromBox->value());
+
+  if (hbankFromBox->value() > hbankToBox->value())
+    hbankToBox->setValue(hbankFromBox->value());
+  
+  storePatchCollection();
+}
+
+void EditInstrument::patchCollectionCheckboxChanged(bool)
+{
+  storePatchCollection();
+}
+
+void EditInstrument::storePatchCollection()
+{
+  using MusECore::patch_drummap_mapping_t;
+  
+  int idx=patchCollections->currentIndex().row();
+  std::list<patch_drummap_mapping_t>* pdm = workingInstrument.get_patch_drummap_mapping();
+  if (idx>=0 && (unsigned)idx<pdm->size())
+  {
+    std::list<patch_drummap_mapping_t>::iterator it=pdm->begin();
+    advance(it,idx);
+    
+    if (patchCheckbox->isChecked())
+    {
+      it->affected_patches.first_program=patchFromBox->value()-1;
+      it->affected_patches.last_program=patchToBox->value()-1;
+    }
+    else
+    {
+      it->affected_patches.first_program=0;
+      it->affected_patches.last_program=127;
+    }
+
+    if (lbankCheckbox->isChecked())
+    {
+      it->affected_patches.first_lbank=lbankFromBox->value()-1;
+      it->affected_patches.last_lbank=lbankToBox->value()-1;
+    }
+    else
+    {
+      it->affected_patches.first_lbank=0;
+      it->affected_patches.last_lbank=127;
+    }
+
+    if (hbankCheckbox->isChecked())
+    {
+      it->affected_patches.first_hbank=hbankFromBox->value()-1;
+      it->affected_patches.last_hbank=hbankToBox->value()-1;
+    }
+    else
+    {
+      it->affected_patches.first_hbank=0;
+      it->affected_patches.last_hbank=127;
+    }
+    
+    workingInstrument.setDirty(true);
+    repopulatePatchCollections();
+  }
+}
+
+void EditInstrument::fetchPatchCollection()
+{
+  using MusECore::patch_drummap_mapping_t;
+  
+  int idx=patchCollections->currentIndex().row();
+  std::list<patch_drummap_mapping_t>* pdm = workingInstrument.get_patch_drummap_mapping();
+  if (idx>=0 && (unsigned)idx<pdm->size())
+  {
+    std::list<patch_drummap_mapping_t>::iterator it=pdm->begin();
+    advance(it,idx);
+    
+    patchFromBox->blockSignals(true);
+    patchToBox->blockSignals(true);
+    lbankFromBox->blockSignals(true);
+    lbankToBox->blockSignals(true);
+    hbankFromBox->blockSignals(true);
+    hbankToBox->blockSignals(true);
+    
+    patchFromBox->setValue(it->affected_patches.first_program+1);
+    patchToBox->setValue(it->affected_patches.last_program+1);
+    
+    lbankFromBox->setValue(it->affected_patches.first_lbank+1);
+    lbankToBox->setValue(it->affected_patches.last_lbank+1);
+    
+    hbankFromBox->setValue(it->affected_patches.first_hbank+1);
+    hbankToBox->setValue(it->affected_patches.last_hbank+1);
+
+    patchFromBox->blockSignals(false);
+    patchToBox->blockSignals(false);
+    lbankFromBox->blockSignals(false);
+    lbankToBox->blockSignals(false);
+    hbankFromBox->blockSignals(false);
+    hbankToBox->blockSignals(false);
+
+
+    patchCheckbox->setChecked(it->affected_patches.first_program>0 || it->affected_patches.last_program < 127);
+    lbankCheckbox->setChecked(it->affected_patches.first_lbank>0 || it->affected_patches.last_lbank < 127);
+    hbankCheckbox->setChecked(it->affected_patches.first_hbank>0 || it->affected_patches.last_hbank < 127);
+  }
+}
+
+void EditInstrument::patchActivated(const QModelIndex& idx)
+{
+  using MusECore::patch_drummap_mapping_t;
+  
+  if (idx.row()>=0)
+  {
+    using MusECore::DrumMap;
+    
+    std::list<patch_drummap_mapping_t>* tmp = workingInstrument.get_patch_drummap_mapping();
+    std::list<patch_drummap_mapping_t>::iterator it=tmp->begin();
+    if ((unsigned)idx.row()>=tmp->size())
+      printf("THIS SHOULD NEVER HAPPEN: idx.row()>=tmp->size() in EditInstrument::patchActivated()\n");
+    
+    advance(it, idx.row());
+    DrumMap* dm=it->drummap;
+    
+    
+    if (dlist)
+    {
+      dlist->hide();
+      delete dlist;
+      dlist=NULL;
+    }
+    
+    dlist=new DList(dlist_header,dlistContainer,1,dm);
+    
+    dlist->setYPos(dlist_vscroll->value());
+    
+    connect(dlist_vscroll, SIGNAL(valueChanged(int)), dlist, SLOT(setYPos(int)));
+    dlist_grid->addWidget(dlist, 1, 0);
+
+
+    dlist_header->show();
+    dlist->show();
+    dlist_vscroll->show();
+    
+    collUpBtn->setEnabled(idx.row()>0);
+    collDownBtn->setEnabled(idx.row()<patch_coll_model->rowCount()-1);
+    rmCollBtn->setEnabled(true);
+    copyCollBtn->setEnabled(true);
+    patchCollectionContainer->setEnabled(true);
+
+    fetchPatchCollection();
+  }
+}
+
+void EditInstrument::addPatchCollection()
+{
+  using MusECore::patch_drummap_mapping_t;
+  
+  int idx=patchCollections->currentIndex().row();
+  
+  std::list<patch_drummap_mapping_t>* tmp = workingInstrument.get_patch_drummap_mapping();
+  std::list<patch_drummap_mapping_t>::iterator it=tmp->begin();
+  advance(it,idx+1);
+  tmp->insert(it,patch_drummap_mapping_t());
+
+  repopulatePatchCollections();
+  patchCollections->setCurrentIndex(patch_coll_model->index(idx+1));
+  patchActivated(patchCollections->currentIndex());
+  
+  workingInstrument.setDirty(true);
+}
+
+void EditInstrument::delPatchCollection()
+{
+  using MusECore::patch_drummap_mapping_t;
+  
+  int idx=patchCollections->currentIndex().row();
+  if (idx>=0)
+  {
+    if (dlist)
+    {
+      dlist->hide();
+      delete dlist;
+      dlist=NULL;
+    }
+    
+    dlist_header->hide();
+    dlist_vscroll->hide();
+
+    rmCollBtn->setEnabled(false);
+    copyCollBtn->setEnabled(false);
+    patchCollectionContainer->setEnabled(false);
+    collUpBtn->setEnabled(false);
+    collDownBtn->setEnabled(false);
+
+    std::list<patch_drummap_mapping_t>* tmp = workingInstrument.get_patch_drummap_mapping();
+    std::list<patch_drummap_mapping_t>::iterator it=tmp->begin();
+    advance(it,idx);
+    tmp->erase(it);
+
+    repopulatePatchCollections();
+    
+    patchActivated(patchCollections->currentIndex());
+    workingInstrument.setDirty(true);
+  }
+}
+
+void EditInstrument::copyPatchCollection()
+{
+  using MusECore::patch_drummap_mapping_t;
+  
+  int idx=patchCollections->currentIndex().row();
+  
+  std::list<patch_drummap_mapping_t>* tmp = workingInstrument.get_patch_drummap_mapping();
+  std::list<patch_drummap_mapping_t>::iterator it=tmp->begin();
+  advance(it,idx);
+  patch_drummap_mapping_t tmp2(*it);
+  it++;
+  tmp->insert(it,tmp2);
+  
+  patch_coll_model->insertRow(idx+1);
+  patch_coll_model->setData(patch_coll_model->index(idx+1), patch_coll_model->index(idx).data());
+  patchCollections->setCurrentIndex(patch_coll_model->index(idx+1));
+  patchActivated(patchCollections->currentIndex());
+  workingInstrument.setDirty(true);
+}
+
+void EditInstrument::patchCollectionUp()
+{
+  using MusECore::patch_drummap_mapping_t;
+  
+  std::list<patch_drummap_mapping_t>* pdm = workingInstrument.get_patch_drummap_mapping();
+  int idx=patchCollections->currentIndex().row();
+  
+  if (idx>=1)
+  {
+    std::list<patch_drummap_mapping_t>::iterator it=pdm->begin();
+    advance(it,idx-1);
+    std::list<patch_drummap_mapping_t>::iterator it2=it;
+    it2++;
+    
+    //it2 is the element to move, it is the element to put before.
+    
+    pdm->insert(it,*it2);
+    pdm->erase(it2);
+    
+    repopulatePatchCollections();
+
+    patchCollections->setCurrentIndex(patch_coll_model->index(idx-1));
+    patchActivated(patchCollections->currentIndex());
+
+    workingInstrument.setDirty(true);
+  }
+}
+
+void EditInstrument::patchCollectionDown()
+{
+  using MusECore::patch_drummap_mapping_t;
+  
+  std::list<patch_drummap_mapping_t>* pdm = workingInstrument.get_patch_drummap_mapping();
+  int idx=patchCollections->currentIndex().row();
+  
+  if ((unsigned)idx<pdm->size()-1)
+  {
+    std::list<patch_drummap_mapping_t>::iterator it=pdm->begin();
+    advance(it,idx);
+    std::list<patch_drummap_mapping_t>::iterator it2=it;
+    it2++; it2++;
+    
+    //it is the element to move, it2 is the element to put before (might be end())
+    
+    pdm->insert(it2,*it);
+    pdm->erase(it);
+    
+    repopulatePatchCollections();
+
+    patchCollections->setCurrentIndex(patch_coll_model->index(idx+1));
+    patchActivated(patchCollections->currentIndex());
+
+    workingInstrument.setDirty(true);
+  }
+}
+
+void EditInstrument::repopulatePatchCollections()
+{
+  using MusECore::patch_drummap_mapping_t;
+  
+  int idx=patchCollections->currentIndex().row();
+  QStringList strlist;
+  
+  std::list<patch_drummap_mapping_t>* pdm = workingInstrument.get_patch_drummap_mapping();
+  for (std::list<patch_drummap_mapping_t>::iterator it=pdm->begin(); it!=pdm->end(); it++)
+    strlist << it->affected_patches.to_string();
+  
+  patch_coll_model->setStringList(strlist);
+  patchCollections->setCurrentIndex(patch_coll_model->index(idx));
+}
+
 //---------------------------------------------------------
 //   helpWhatsThis
 //---------------------------------------------------------
@@ -1014,6 +1380,25 @@ void EditInstrument::changeInstrument()
 */
 
 
+
+  repopulatePatchCollections();
+  if (dlist)
+  {
+    dlist->hide();
+    delete dlist;
+    dlist=NULL;
+  }
+  
+  dlist_header->hide();
+  dlist_vscroll->hide();
+
+  rmCollBtn->setEnabled(false);
+  copyCollBtn->setEnabled(false);
+  patchCollectionContainer->setEnabled(false);
+  collUpBtn->setEnabled(false);
+  collDownBtn->setEnabled(false);
+
+
 }
 
 //---------------------------------------------------------
@@ -1801,9 +2186,9 @@ void EditInstrument::ctrlNameReturn()
       }
       
       c->setName(ctrlName->text());
-      item->setText(COL_NAME, ctrlName->text());
+      item->setText(COL_CNAME, ctrlName->text());
       //c->setName(s);
-      //item->setText(COL_NAME, s);
+      //item->setText(COL_CNAME, s);
       workingInstrument.setDirty(true);
 }
 
diff --git a/muse2/muse/instruments/editinstrument.h b/muse2/muse/instruments/editinstrument.h
index ba53aae1..ab5edf39 100644
--- a/muse2/muse/instruments/editinstrument.h
+++ b/muse2/muse/instruments/editinstrument.h
@@ -31,9 +31,14 @@
 class QDialog;
 class QMenu;
 class QCloseEvent;
+class QGridLayout;
+class QStringListModel;
 
 namespace MusEGui {
 
+class Header;
+class DList;
+
 //---------------------------------------------------------
 //   EditInstrument
 //---------------------------------------------------------
@@ -44,6 +49,15 @@ class EditInstrument : public QMainWindow, public Ui::EditInstrumentBase {
       MusECore::MidiInstrument workingInstrument;
       QListWidgetItem*  oldMidiInstrument;
       QTreeWidgetItem* oldPatchItem;
+
+      Header* dlist_header;
+      DList* dlist;
+      QScrollBar* dlist_vscroll;
+      QGridLayout* dlist_grid;
+      QStringListModel* patch_coll_model;
+
+
+
       void closeEvent(QCloseEvent*);
       int checkDirty(MusECore::MidiInstrument*, bool isClose = false);
       bool fileSave(MusECore::MidiInstrument*, const QString&);
@@ -61,7 +75,6 @@ class EditInstrument : public QMainWindow, public Ui::EditInstrumentBase {
       void setDefaultPatchControls(int);
       QString getPatchName(int);
       void deleteInstrument(QListWidgetItem*);
-      ///QMenu* patchpopup;
       
    private slots:
       virtual void fileNew();
@@ -99,6 +112,18 @@ class EditInstrument : public QMainWindow, public Ui::EditInstrumentBase {
       //void newSysexClicked();
       void ctrlNullParamHChanged(int);
       void ctrlNullParamLChanged(int);
+      
+      void patchCollectionSpinboxChanged(int);
+      void patchCollectionCheckboxChanged(bool);
+      void patchActivated(const QModelIndex&);
+      void addPatchCollection();
+      void delPatchCollection();
+      void copyPatchCollection();
+      void patchCollectionUp();
+      void patchCollectionDown();
+      void repopulatePatchCollections();
+      void storePatchCollection();
+      void fetchPatchCollection();
 
    public:
       EditInstrument(QWidget* parent = 0, Qt::WFlags fl = Qt::Window);
diff --git a/muse2/muse/instruments/editinstrumentbase.ui b/muse2/muse/instruments/editinstrumentbase.ui
index 3337cfc0..5295abb2 100644
--- a/muse2/muse/instruments/editinstrumentbase.ui
+++ b/muse2/muse/instruments/editinstrumentbase.ui
@@ -1370,6 +1370,404 @@ Typically, set to 127/127, or an unused
          </item>
         </layout>
        </widget>
+       <widget class="QWidget" name="drumTab">
+        <attribute name="title">
+         <string>Drummaps</string>
+        </attribute>
+        <layout class="QHBoxLayout" name="horizontalLayout_4">
+         <item>
+          <layout class="QHBoxLayout" name="horizontalLayout_3">
+           <item>
+            <layout class="QVBoxLayout" name="verticalLayout_2">
+             <item>
+              <widget class="QLabel" name="label">
+               <property name="sizePolicy">
+                <sizepolicy hsizetype="Fixed" vsizetype="Preferred">
+                 <horstretch>0</horstretch>
+                 <verstretch>0</verstretch>
+                </sizepolicy>
+               </property>
+               <property name="text">
+                <string>Patch Collections:</string>
+               </property>
+              </widget>
+             </item>
+             <item>
+              <widget class="QListView" name="patchCollections">
+               <property name="sizePolicy">
+                <sizepolicy hsizetype="Preferred" vsizetype="Expanding">
+                 <horstretch>0</horstretch>
+                 <verstretch>0</verstretch>
+                </sizepolicy>
+               </property>
+              </widget>
+             </item>
+             <item>
+              <layout class="QVBoxLayout" name="verticalLayout">
+               <property name="spacing">
+                <number>0</number>
+               </property>
+               <item>
+                <layout class="QHBoxLayout" name="horizontalLayout">
+                 <item>
+                  <widget class="QPushButton" name="addCollBtn">
+                   <property name="sizePolicy">
+                    <sizepolicy hsizetype="Minimum" vsizetype="Fixed">
+                     <horstretch>0</horstretch>
+                     <verstretch>0</verstretch>
+                    </sizepolicy>
+                   </property>
+                   <property name="text">
+                    <string>&amp;Add</string>
+                   </property>
+                  </widget>
+                 </item>
+                 <item>
+                  <widget class="QPushButton" name="copyCollBtn">
+                   <property name="enabled">
+                    <bool>false</bool>
+                   </property>
+                   <property name="sizePolicy">
+                    <sizepolicy hsizetype="Minimum" vsizetype="Fixed">
+                     <horstretch>0</horstretch>
+                     <verstretch>0</verstretch>
+                    </sizepolicy>
+                   </property>
+                   <property name="text">
+                    <string>&amp;Copy</string>
+                   </property>
+                  </widget>
+                 </item>
+                 <item>
+                  <widget class="QPushButton" name="rmCollBtn">
+                   <property name="enabled">
+                    <bool>false</bool>
+                   </property>
+                   <property name="sizePolicy">
+                    <sizepolicy hsizetype="Minimum" vsizetype="Fixed">
+                     <horstretch>0</horstretch>
+                     <verstretch>0</verstretch>
+                    </sizepolicy>
+                   </property>
+                   <property name="text">
+                    <string>&amp;Remove</string>
+                   </property>
+                  </widget>
+                 </item>
+                </layout>
+               </item>
+               <item>
+                <layout class="QHBoxLayout" name="horizontalLayout_2">
+                 <item>
+                  <widget class="QPushButton" name="collUpBtn">
+                   <property name="enabled">
+                    <bool>false</bool>
+                   </property>
+                   <property name="sizePolicy">
+                    <sizepolicy hsizetype="Minimum" vsizetype="Fixed">
+                     <horstretch>0</horstretch>
+                     <verstretch>0</verstretch>
+                    </sizepolicy>
+                   </property>
+                   <property name="text">
+                    <string>&amp;Up</string>
+                   </property>
+                  </widget>
+                 </item>
+                 <item>
+                  <widget class="QPushButton" name="collDownBtn">
+                   <property name="enabled">
+                    <bool>false</bool>
+                   </property>
+                   <property name="sizePolicy">
+                    <sizepolicy hsizetype="Minimum" vsizetype="Fixed">
+                     <horstretch>0</horstretch>
+                     <verstretch>0</verstretch>
+                    </sizepolicy>
+                   </property>
+                   <property name="text">
+                    <string>&amp;Down</string>
+                   </property>
+                  </widget>
+                 </item>
+                </layout>
+               </item>
+              </layout>
+             </item>
+             <item>
+              <widget class="QWidget" name="patchCollectionContainer" native="true">
+               <property name="enabled">
+                <bool>false</bool>
+               </property>
+               <layout class="QGridLayout" name="gridLayout_">
+                <property name="margin">
+                 <number>0</number>
+                </property>
+                <item row="0" column="0">
+                 <layout class="QGridLayout" name="gridLayout_2">
+                  <item row="0" column="0">
+                   <widget class="QCheckBox" name="patchCheckbox">
+                    <property name="sizePolicy">
+                     <sizepolicy hsizetype="Fixed" vsizetype="Fixed">
+                      <horstretch>0</horstretch>
+                      <verstretch>0</verstretch>
+                     </sizepolicy>
+                    </property>
+                    <property name="text">
+                     <string>Patch:</string>
+                    </property>
+                   </widget>
+                  </item>
+                  <item row="0" column="1">
+                   <widget class="QLabel" name="label_5">
+                    <property name="enabled">
+                     <bool>false</bool>
+                    </property>
+                    <property name="sizePolicy">
+                     <sizepolicy hsizetype="Fixed" vsizetype="Preferred">
+                      <horstretch>0</horstretch>
+                      <verstretch>0</verstretch>
+                     </sizepolicy>
+                    </property>
+                    <property name="text">
+                     <string>from</string>
+                    </property>
+                   </widget>
+                  </item>
+                  <item row="0" column="2">
+                   <widget class="QSpinBox" name="patchFromBox">
+                    <property name="enabled">
+                     <bool>false</bool>
+                    </property>
+                    <property name="sizePolicy">
+                     <sizepolicy hsizetype="Fixed" vsizetype="Fixed">
+                      <horstretch>0</horstretch>
+                      <verstretch>0</verstretch>
+                     </sizepolicy>
+                    </property>
+                    <property name="minimum">
+                     <number>1</number>
+                    </property>
+                    <property name="maximum">
+                     <number>128</number>
+                    </property>
+                   </widget>
+                  </item>
+                  <item row="0" column="3">
+                   <widget class="QLabel" name="label_8">
+                    <property name="enabled">
+                     <bool>false</bool>
+                    </property>
+                    <property name="sizePolicy">
+                     <sizepolicy hsizetype="Fixed" vsizetype="Preferred">
+                      <horstretch>0</horstretch>
+                      <verstretch>0</verstretch>
+                     </sizepolicy>
+                    </property>
+                    <property name="text">
+                     <string>to</string>
+                    </property>
+                   </widget>
+                  </item>
+                  <item row="0" column="4">
+                   <widget class="QSpinBox" name="patchToBox">
+                    <property name="enabled">
+                     <bool>false</bool>
+                    </property>
+                    <property name="sizePolicy">
+                     <sizepolicy hsizetype="Fixed" vsizetype="Fixed">
+                      <horstretch>0</horstretch>
+                      <verstretch>0</verstretch>
+                     </sizepolicy>
+                    </property>
+                    <property name="minimum">
+                     <number>1</number>
+                    </property>
+                    <property name="maximum">
+                     <number>128</number>
+                    </property>
+                   </widget>
+                  </item>
+                  <item row="1" column="0">
+                   <widget class="QCheckBox" name="hbankCheckbox">
+                    <property name="sizePolicy">
+                     <sizepolicy hsizetype="Fixed" vsizetype="Fixed">
+                      <horstretch>0</horstretch>
+                      <verstretch>0</verstretch>
+                     </sizepolicy>
+                    </property>
+                    <property name="text">
+                     <string>Bank Hi:</string>
+                    </property>
+                   </widget>
+                  </item>
+                  <item row="1" column="1">
+                   <widget class="QLabel" name="label_6">
+                    <property name="enabled">
+                     <bool>false</bool>
+                    </property>
+                    <property name="sizePolicy">
+                     <sizepolicy hsizetype="Fixed" vsizetype="Preferred">
+                      <horstretch>0</horstretch>
+                      <verstretch>0</verstretch>
+                     </sizepolicy>
+                    </property>
+                    <property name="text">
+                     <string>from</string>
+                    </property>
+                   </widget>
+                  </item>
+                  <item row="1" column="2">
+                   <widget class="QSpinBox" name="hbankFromBox">
+                    <property name="enabled">
+                     <bool>false</bool>
+                    </property>
+                    <property name="sizePolicy">
+                     <sizepolicy hsizetype="Fixed" vsizetype="Fixed">
+                      <horstretch>0</horstretch>
+                      <verstretch>0</verstretch>
+                     </sizepolicy>
+                    </property>
+                    <property name="minimum">
+                     <number>1</number>
+                    </property>
+                    <property name="maximum">
+                     <number>128</number>
+                    </property>
+                   </widget>
+                  </item>
+                  <item row="1" column="3">
+                   <widget class="QLabel" name="label_9">
+                    <property name="enabled">
+                     <bool>false</bool>
+                    </property>
+                    <property name="sizePolicy">
+                     <sizepolicy hsizetype="Fixed" vsizetype="Preferred">
+                      <horstretch>0</horstretch>
+                      <verstretch>0</verstretch>
+                     </sizepolicy>
+                    </property>
+                    <property name="text">
+                     <string>to</string>
+                    </property>
+                   </widget>
+                  </item>
+                  <item row="1" column="4">
+                   <widget class="QSpinBox" name="hbankToBox">
+                    <property name="enabled">
+                     <bool>false</bool>
+                    </property>
+                    <property name="sizePolicy">
+                     <sizepolicy hsizetype="Fixed" vsizetype="Fixed">
+                      <horstretch>0</horstretch>
+                      <verstretch>0</verstretch>
+                     </sizepolicy>
+                    </property>
+                    <property name="minimum">
+                     <number>1</number>
+                    </property>
+                    <property name="maximum">
+                     <number>128</number>
+                    </property>
+                   </widget>
+                  </item>
+                  <item row="2" column="0">
+                   <widget class="QCheckBox" name="lbankCheckbox">
+                    <property name="sizePolicy">
+                     <sizepolicy hsizetype="Fixed" vsizetype="Fixed">
+                      <horstretch>0</horstretch>
+                      <verstretch>0</verstretch>
+                     </sizepolicy>
+                    </property>
+                    <property name="text">
+                     <string>Bank Lo:</string>
+                    </property>
+                   </widget>
+                  </item>
+                  <item row="2" column="1">
+                   <widget class="QLabel" name="label_7">
+                    <property name="enabled">
+                     <bool>false</bool>
+                    </property>
+                    <property name="sizePolicy">
+                     <sizepolicy hsizetype="Fixed" vsizetype="Preferred">
+                      <horstretch>0</horstretch>
+                      <verstretch>0</verstretch>
+                     </sizepolicy>
+                    </property>
+                    <property name="text">
+                     <string>from</string>
+                    </property>
+                   </widget>
+                  </item>
+                  <item row="2" column="2">
+                   <widget class="QSpinBox" name="lbankFromBox">
+                    <property name="enabled">
+                     <bool>false</bool>
+                    </property>
+                    <property name="sizePolicy">
+                     <sizepolicy hsizetype="Fixed" vsizetype="Fixed">
+                      <horstretch>0</horstretch>
+                      <verstretch>0</verstretch>
+                     </sizepolicy>
+                    </property>
+                    <property name="minimum">
+                     <number>1</number>
+                    </property>
+                    <property name="maximum">
+                     <number>128</number>
+                    </property>
+                   </widget>
+                  </item>
+                  <item row="2" column="3">
+                   <widget class="QLabel" name="label_10">
+                    <property name="enabled">
+                     <bool>false</bool>
+                    </property>
+                    <property name="sizePolicy">
+                     <sizepolicy hsizetype="Fixed" vsizetype="Preferred">
+                      <horstretch>0</horstretch>
+                      <verstretch>0</verstretch>
+                     </sizepolicy>
+                    </property>
+                    <property name="text">
+                     <string>to</string>
+                    </property>
+                   </widget>
+                  </item>
+                  <item row="2" column="4">
+                   <widget class="QSpinBox" name="lbankToBox">
+                    <property name="enabled">
+                     <bool>false</bool>
+                    </property>
+                    <property name="sizePolicy">
+                     <sizepolicy hsizetype="Fixed" vsizetype="Fixed">
+                      <horstretch>0</horstretch>
+                      <verstretch>0</verstretch>
+                     </sizepolicy>
+                    </property>
+                    <property name="minimum">
+                     <number>1</number>
+                    </property>
+                    <property name="maximum">
+                     <number>128</number>
+                    </property>
+                   </widget>
+                  </item>
+                 </layout>
+                </item>
+               </layout>
+              </widget>
+             </item>
+            </layout>
+           </item>
+           <item>
+            <widget class="QWidget" name="dlistContainer" native="true"/>
+           </item>
+          </layout>
+         </item>
+        </layout>
+       </widget>
       </widget>
      </widget>
     </item>
@@ -1396,7 +1794,7 @@ Typically, set to 127/127, or an unused
      <x>0</x>
      <y>0</y>
      <width>802</width>
-     <height>21</height>
+     <height>25</height>
     </rect>
    </property>
    <property name="defaultUp">
@@ -1645,5 +2043,197 @@ Typically, set to 127/127, or an unused
     </hint>
    </hints>
   </connection>
+  <connection>
+   <sender>patchCheckbox</sender>
+   <signal>toggled(bool)</signal>
+   <receiver>label_5</receiver>
+   <slot>setEnabled(bool)</slot>
+   <hints>
+    <hint type="sourcelabel">
+     <x>214</x>
+     <y>411</y>
+    </hint>
+    <hint type="destinationlabel">
+     <x>289</x>
+     <y>412</y>
+    </hint>
+   </hints>
+  </connection>
+  <connection>
+   <sender>patchCheckbox</sender>
+   <signal>toggled(bool)</signal>
+   <receiver>patchFromBox</receiver>
+   <slot>setEnabled(bool)</slot>
+   <hints>
+    <hint type="sourcelabel">
+     <x>214</x>
+     <y>411</y>
+    </hint>
+    <hint type="destinationlabel">
+     <x>343</x>
+     <y>412</y>
+    </hint>
+   </hints>
+  </connection>
+  <connection>
+   <sender>patchCheckbox</sender>
+   <signal>toggled(bool)</signal>
+   <receiver>label_8</receiver>
+   <slot>setEnabled(bool)</slot>
+   <hints>
+    <hint type="sourcelabel">
+     <x>214</x>
+     <y>411</y>
+    </hint>
+    <hint type="destinationlabel">
+     <x>390</x>
+     <y>412</y>
+    </hint>
+   </hints>
+  </connection>
+  <connection>
+   <sender>patchCheckbox</sender>
+   <signal>toggled(bool)</signal>
+   <receiver>patchToBox</receiver>
+   <slot>setEnabled(bool)</slot>
+   <hints>
+    <hint type="sourcelabel">
+     <x>214</x>
+     <y>411</y>
+    </hint>
+    <hint type="destinationlabel">
+     <x>436</x>
+     <y>412</y>
+    </hint>
+   </hints>
+  </connection>
+  <connection>
+   <sender>lbankCheckbox</sender>
+   <signal>toggled(bool)</signal>
+   <receiver>lbankFromBox</receiver>
+   <slot>setEnabled(bool)</slot>
+   <hints>
+    <hint type="sourcelabel">
+     <x>221</x>
+     <y>469</y>
+    </hint>
+    <hint type="destinationlabel">
+     <x>343</x>
+     <y>470</y>
+    </hint>
+   </hints>
+  </connection>
+  <connection>
+   <sender>lbankCheckbox</sender>
+   <signal>toggled(bool)</signal>
+   <receiver>lbankToBox</receiver>
+   <slot>setEnabled(bool)</slot>
+   <hints>
+    <hint type="sourcelabel">
+     <x>221</x>
+     <y>469</y>
+    </hint>
+    <hint type="destinationlabel">
+     <x>436</x>
+     <y>470</y>
+    </hint>
+   </hints>
+  </connection>
+  <connection>
+   <sender>lbankCheckbox</sender>
+   <signal>toggled(bool)</signal>
+   <receiver>label_7</receiver>
+   <slot>setEnabled(bool)</slot>
+   <hints>
+    <hint type="sourcelabel">
+     <x>221</x>
+     <y>469</y>
+    </hint>
+    <hint type="destinationlabel">
+     <x>289</x>
+     <y>470</y>
+    </hint>
+   </hints>
+  </connection>
+  <connection>
+   <sender>lbankCheckbox</sender>
+   <signal>toggled(bool)</signal>
+   <receiver>label_10</receiver>
+   <slot>setEnabled(bool)</slot>
+   <hints>
+    <hint type="sourcelabel">
+     <x>221</x>
+     <y>469</y>
+    </hint>
+    <hint type="destinationlabel">
+     <x>390</x>
+     <y>470</y>
+    </hint>
+   </hints>
+  </connection>
+  <connection>
+   <sender>hbankCheckbox</sender>
+   <signal>toggled(bool)</signal>
+   <receiver>hbankFromBox</receiver>
+   <slot>setEnabled(bool)</slot>
+   <hints>
+    <hint type="sourcelabel">
+     <x>220</x>
+     <y>440</y>
+    </hint>
+    <hint type="destinationlabel">
+     <x>343</x>
+     <y>441</y>
+    </hint>
+   </hints>
+  </connection>
+  <connection>
+   <sender>hbankCheckbox</sender>
+   <signal>toggled(bool)</signal>
+   <receiver>hbankToBox</receiver>
+   <slot>setEnabled(bool)</slot>
+   <hints>
+    <hint type="sourcelabel">
+     <x>220</x>
+     <y>440</y>
+    </hint>
+    <hint type="destinationlabel">
+     <x>436</x>
+     <y>441</y>
+    </hint>
+   </hints>
+  </connection>
+  <connection>
+   <sender>hbankCheckbox</sender>
+   <signal>toggled(bool)</signal>
+   <receiver>label_6</receiver>
+   <slot>setEnabled(bool)</slot>
+   <hints>
+    <hint type="sourcelabel">
+     <x>220</x>
+     <y>440</y>
+    </hint>
+    <hint type="destinationlabel">
+     <x>289</x>
+     <y>441</y>
+    </hint>
+   </hints>
+  </connection>
+  <connection>
+   <sender>hbankCheckbox</sender>
+   <signal>toggled(bool)</signal>
+   <receiver>label_9</receiver>
+   <slot>setEnabled(bool)</slot>
+   <hints>
+    <hint type="sourcelabel">
+     <x>220</x>
+     <y>440</y>
+    </hint>
+    <hint type="destinationlabel">
+     <x>390</x>
+     <y>441</y>
+    </hint>
+   </hints>
+  </connection>
  </connections>
 </ui>
diff --git a/muse2/muse/instruments/minstrument.cpp b/muse2/muse/instruments/minstrument.cpp
index 3906c399..bd4b3bd4 100644
--- a/muse2/muse/instruments/minstrument.cpp
+++ b/muse2/muse/instruments/minstrument.cpp
@@ -410,17 +410,9 @@ MidiInstrument::~MidiInstrument()
       if (_initScript)
             delete _initScript;
       
-      clear_delete_patch_drummap_mapping();
+      patch_drummap_mapping.clear();
       }
 
-void MidiInstrument::clear_delete_patch_drummap_mapping()
-{
-  for (std::list<patch_drummap_mapping_t>::iterator it = patch_drummap_mapping.begin();
-       it!=patch_drummap_mapping.end(); it++)
-    delete[] it->drummap;
-  
-  patch_drummap_mapping.clear();
-}
 
 
 /*
@@ -529,16 +521,7 @@ MidiInstrument& MidiInstrument::assign(const MidiInstrument& ins)
   _name = ins._name;
   _filePath = ins._filePath;
   
-  clear_delete_patch_drummap_mapping();
-  // do a deep copy
-  for (std::list<patch_drummap_mapping_t>::const_iterator it = ins.patch_drummap_mapping.begin();
-       it!=ins.patch_drummap_mapping.end(); it++)
-  {
-    patch_drummap_mapping_t temp = *it;
-    temp.drummap=new DrumMap[128];
-    for (int i=0;i<128;i++)
-      temp.drummap[i]=it->drummap[i];
-  }
+  patch_drummap_mapping=ins.patch_drummap_mapping;
   
   
   
@@ -761,7 +744,7 @@ void MidiInstrument::readMidiState(Xml& xml)
 
 void MidiInstrument::readDrummaps(Xml& xml)
 {
-  clear_delete_patch_drummap_mapping();
+  patch_drummap_mapping.clear();
   
   for (;;)
   {
@@ -796,7 +779,7 @@ patch_drummap_mapping_t MidiInstrument::readDrummapsEntry(Xml& xml)
 {
   using std::list;
   
-  list<patch_collection_t> collection;
+  patch_collection_t collection;
   DrumMap* drummap=new DrumMap[128];
   for (int i=0;i<128;i++)
     drummap[i]=iNewDrumMap[i];
@@ -813,7 +796,7 @@ patch_drummap_mapping_t MidiInstrument::readDrummapsEntry(Xml& xml)
         
       case Xml::TagStart:
         if (tag == "patch_collection")
-          collection.push_back(readDrummapsEntryPatchCollection(xml));
+          collection=readDrummapsEntryPatchCollection(xml);
         else if (tag == "drummap")
           read_new_style_drummap(xml, "drummap", drummap);
         else
@@ -875,6 +858,43 @@ patch_collection_t MidiInstrument::readDrummapsEntryPatchCollection(Xml& xml)
          "                           not returning anything. expect undefined behaviour or even crashes.\n");
 }
 
+void MidiInstrument::writeDrummaps(int level, Xml& xml) const
+{
+  xml.tag(level++, "Drummaps");
+  
+  for (std::list<patch_drummap_mapping_t>::const_iterator it=patch_drummap_mapping.begin();
+       it!=patch_drummap_mapping.end(); it++)
+  {
+    xml.tag(level++, "entry");
+    
+    const patch_collection_t* ap = &it->affected_patches;
+    QString tmp="<patch_collection ";
+    if (ap->first_program==ap->last_program)
+      tmp+="prog=\""+QString::number(ap->first_program)+"\" ";
+    else if (! (ap->first_program==0 && ap->last_program>=127))
+      tmp+="prog=\""+QString::number(ap->first_program)+"-"+QString::number(ap->last_program)+"\" ";
+  
+    if (ap->first_lbank==ap->last_lbank)
+      tmp+="lbank=\""+QString::number(ap->first_lbank)+"\" ";
+    else if (! (ap->first_lbank==0 && ap->last_lbank>=127))
+      tmp+="lbank=\""+QString::number(ap->first_lbank)+"-"+QString::number(ap->last_lbank)+"\" ";
+  
+    if (ap->first_hbank==ap->last_hbank)
+      tmp+="hbank=\""+QString::number(ap->first_hbank)+"\" ";
+    else if (! (ap->first_hbank==0 && ap->last_hbank>=127))
+      tmp+="hbank=\""+QString::number(ap->first_hbank)+"-"+QString::number(ap->last_hbank)+"\" ";
+    
+    tmp+="/>\n";
+    
+    xml.nput(level, tmp.toAscii().data());
+    
+    write_new_style_drummap(level, xml, "drummap", it->drummap);
+    
+    xml.etag(--level, "entry");
+  }
+  
+  xml.etag(--level, "Drummaps");
+}
 
 //---------------------------------------------------------
 //   read
@@ -1018,6 +1038,9 @@ void MidiInstrument::write(int level, Xml& xml)
             //(*ic)->write(xml);
             ic->second->write(level, xml);
       //xml.etag("MidiInstrument");
+      
+      writeDrummaps(level, xml);
+      
       level--;
       xml.etag(level, "MidiInstrument");
       //xml.etag("muse");
@@ -1136,16 +1159,13 @@ const DrumMap* MidiInstrument::drummap_for_patch(int patch) const
   for (list<patch_drummap_mapping_t>::const_iterator it=patch_drummap_mapping.begin();
        it!=patch_drummap_mapping.end(); it++)
   {
-    for (list<patch_collection_t>::const_iterator it2=it->affected_patches.begin();
-         it2!=it->affected_patches.end(); it2++)
+    const patch_collection_t* ap = &it->affected_patches;
+    // if the entry matches our patch
+    if ( (program >= ap->first_program && program <= ap->last_program) &&
+         (hbank >= ap->first_hbank && hbank <= ap->last_hbank) &&
+         (lbank >= ap->first_lbank && lbank <= ap->last_lbank) )
     {
-      // if the entry matches our patch
-      if ( (program >= it2->first_program && program <= it2->last_program) &&
-           (hbank >= it2->first_hbank && hbank <= it2->last_hbank) &&
-           (lbank >= it2->first_lbank && lbank <= it2->last_lbank) )
-      {
-        return it->drummap;
-      }
+      return it->drummap;
     }
   }
   
@@ -1160,5 +1180,70 @@ patch_drummap_mapping_t::patch_drummap_mapping_t()
     drummap[i]=iNewDrumMap[i];
 }
 
+patch_drummap_mapping_t::patch_drummap_mapping_t(const patch_drummap_mapping_t& that)
+{
+  drummap=new DrumMap[128];
+  for (int i=0;i<128;i++)
+    drummap[i]=that.drummap[i];
+  
+  affected_patches=that.affected_patches;
+}
+
+patch_drummap_mapping_t& patch_drummap_mapping_t::operator=(const patch_drummap_mapping_t& that)
+{
+  if (drummap)
+    delete [] drummap;
+  
+  drummap=new DrumMap[128];
+  for (int i=0;i<128;i++)
+    drummap[i]=that.drummap[i];
+  
+  affected_patches=that.affected_patches;
+  
+  return *this;
+}
+
+patch_drummap_mapping_t::~patch_drummap_mapping_t()
+{
+  delete [] drummap;
+}
+
+QString patch_collection_t::to_string()
+{
+  QString tmp;
+  
+  if (first_program==0 && last_program>=127 &&
+      first_lbank==0 && last_lbank>=127 &&
+      first_hbank==0 && last_hbank>=127)
+    tmp="default";
+  else
+  {
+    tmp+="prog: ";
+    if (first_program==last_program)
+      tmp+=QString::number(first_program+1);
+    else if (! (first_program==0 && last_program>=127))
+      tmp+=QString::number(first_program+1)+"-"+QString::number(last_program+1);
+    else
+      tmp+="*";
+    
+    tmp+=" bank=";
+    if (first_lbank==last_lbank)
+      tmp+=QString::number(first_lbank+1);
+    else if (! (first_lbank==0 && last_lbank>=127))
+      tmp+=QString::number(first_lbank+1)+"-"+QString::number(last_lbank+1);
+    else
+      tmp+="*";
+
+    tmp+="/";
+    if (first_hbank==last_hbank)
+      tmp+=QString::number(first_hbank+1);
+    else if (! (first_hbank==0 && last_hbank>=127))
+      tmp+=QString::number(first_hbank+1)+"-"+QString::number(last_hbank+1);
+    else
+      tmp+="*";
+    
+  }
+  return tmp;
+}
 
 } // namespace MusECore
diff --git a/muse2/muse/instruments/minstrument.h b/muse2/muse/instruments/minstrument.h
index 9a65598b..f793a7b6 100644
--- a/muse2/muse/instruments/minstrument.h
+++ b/muse2/muse/instruments/minstrument.h
@@ -27,8 +27,7 @@
 #include "globaldefs.h"
 #include <list>
 #include <vector>
-
-class QString;
+#include <QString>
 
 namespace MusEGui {
 class PopupMenu;
@@ -101,21 +100,26 @@ struct patch_collection_t
     first_hbank=h1;
     last_hbank=h2;
   }
-
+  
+  QString to_string();
 };
 
 struct patch_drummap_mapping_t
 {
-  std::list<patch_collection_t> affected_patches;
+  patch_collection_t affected_patches;
   DrumMap* drummap;
   
-  patch_drummap_mapping_t(const std::list<patch_collection_t>& a, DrumMap* d)
+  patch_drummap_mapping_t(const patch_collection_t& a, DrumMap* d)
   {
     affected_patches=a;
     drummap=d;
   }
   
+  patch_drummap_mapping_t(const patch_drummap_mapping_t& that);
   patch_drummap_mapping_t();
+  ~patch_drummap_mapping_t();
+  
+  patch_drummap_mapping_t& operator=(const patch_drummap_mapping_t& that);
 };
 
 //---------------------------------------------------------
@@ -143,8 +147,7 @@ class MidiInstrument {
       QString _name;
       QString _filePath;
       
-      void clear_delete_patch_drummap_mapping();
-      
+      void writeDrummaps(int level, Xml& xml) const;
       void readDrummaps(Xml& xml);
       patch_drummap_mapping_t readDrummapsEntry(Xml& xml);
       patch_collection_t readDrummapsEntryPatchCollection(Xml& xml);
@@ -195,6 +198,7 @@ class MidiInstrument {
       void write(int level, Xml&);
       
       PatchGroupList* groups()        { return &pg; }
+      std::list<patch_drummap_mapping_t>* get_patch_drummap_mapping() { return &patch_drummap_mapping; }
       };
 
 //---------------------------------------------------------