Wave Editor: Added Edit -> Adjust Wave Offset. Helps compensate for latency.

FIXME: Respect clones! If operating on two selected clones of the same part, 
 an extra event is created. May or may not be this code's problem?...

4 files changed, 78 insertions, 5 deletions

diff --git a/muse2/muse/waveedit/wavecanvas.cpp b/muse2/muse/waveedit/wavecanvas.cpp
index 220c2804..2139b647 100644
--- a/muse2/muse/waveedit/wavecanvas.cpp
+++ b/muse2/muse/waveedit/wavecanvas.cpp
@@ -33,6 +33,7 @@
 #include <QDragEnterEvent>
 #include <QDragMoveEvent>
 #include <QDropEvent>
+#include <QInputDialog>
 #include <QMouseEvent>
 #include <QList>
 #include <QPair>
@@ -1505,6 +1506,68 @@ bool WaveCanvas::deleteItem(MusEGui::CItem* item)
       }
 
 //---------------------------------------------------------
+//   adjustWaveOffset
+//---------------------------------------------------------
+
+void WaveCanvas::adjustWaveOffset()
+{
+  bool have_selected = false;
+  int init_offset = 0;
+  
+  for (MusEGui::iCItem k = items.begin(); k != items.end(); ++k) 
+  {
+    if (k->second->isSelected())
+    {
+      have_selected = true;
+      init_offset = k->second->event().spos();
+      break;
+    }
+  }
+
+  if(!have_selected)
+  {
+    QMessageBox::information(this, 
+        QString("MusE"),
+        QWidget::tr("No wave events selected."));
+    return;
+  }
+
+  bool ok = false;
+  int offset = QInputDialog::getInt(this, 
+                                    tr("Adjust Wave Offset"), 
+                                    tr("Wave offset (frames)"), 
+                                    init_offset, 
+                                    0, 2147483647, 1, 
+                                    &ok);
+  if(!ok)
+    return;    
+  
+  MusECore::Undo operations;
+
+  // FIXME: Respect clones! If operating on two selected clones of the same part, an extra event is created!
+  //        Check - Is it really this code's problem? Seems so, other operations like moving an event seem OK.
+  for(MusEGui::iCItem ici = items.begin(); ici != items.end(); ++ici) 
+  {
+    if(ici->second->isSelected())
+    {
+      MusECore::Event oldEvent = ici->second->event();
+      if(oldEvent.spos() != offset)
+      {
+        MusECore::Part* part = ici->second->part();
+        MusECore::Event newEvent = oldEvent.clone();
+        newEvent.setSpos(offset);
+        // Do not do port controller values and clone parts. 
+        operations.push_back(MusECore::UndoOp(MusECore::UndoOp::ModifyEvent, newEvent, oldEvent, part, false, false));
+      }
+    }
+  }
+  
+  MusEGlobal::song->applyOperationGroup(operations);
+  
+  redraw();
+}
+      
+//---------------------------------------------------------
 //   draw
 //---------------------------------------------------------
 
@@ -1722,7 +1785,10 @@ void WaveCanvas::cmd(int cmd)
                   }
                   break;
                  
-                  
+            case CMD_ADJUST_WAVE_OFFSET:
+                  adjustWaveOffset();
+                  break;
+
             case CMD_EDIT_EXTERNAL:
                   modifyoperation = EDIT_EXTERNAL;
                   break;
diff --git a/muse2/muse/waveedit/wavecanvas.h b/muse2/muse/waveedit/wavecanvas.h
index df285abc..4a6ae9f9 100644
--- a/muse2/muse/waveedit/wavecanvas.h
+++ b/muse2/muse/waveedit/wavecanvas.h
@@ -105,8 +105,6 @@ class WaveCanvas : public EventCanvas {
       void drawTickRaster(QPainter& p, int x, int y, int w, int h, int raster);
       void drawParts(QPainter&, const QRect&, bool do_cur_part);
   
-      // REMOVE Tim.
-      //virtual void pdraw(QPainter&, const QRect&);
       virtual void draw(QPainter&, const QRect&);
       virtual void viewMouseDoubleClickEvent(QMouseEvent*);
       virtual void wheelEvent(QWheelEvent*);
@@ -136,7 +134,8 @@ class WaveCanvas : public EventCanvas {
       virtual void itemMoved(const CItem*, const QPoint&);
       virtual void curPartChanged();
       virtual void resizeEvent(QResizeEvent*);
-
+      void adjustWaveOffset(); 
+      
    private slots:
       void setPos(int idx, unsigned val, bool adjustScrollbar);
 
@@ -159,7 +158,8 @@ class WaveCanvas : public EventCanvas {
              CMD_QUANTIZE,
              CMD_SELECT_ALL, CMD_SELECT_NONE, CMD_SELECT_INVERT, 
              CMD_SELECT_ILOOP, CMD_SELECT_OLOOP, CMD_SELECT_PREV_PART, CMD_SELECT_NEXT_PART, 
-             CMD_ERASE_MEASURE, CMD_DELETE_MEASURE, CMD_CREATE_MEASURE
+             CMD_ERASE_MEASURE, CMD_DELETE_MEASURE, CMD_CREATE_MEASURE,
+             CMD_ADJUST_WAVE_OFFSET
            };
              
       WaveCanvas(MidiEditor*, QWidget*, int, int);
diff --git a/muse2/muse/waveedit/waveedit.cpp b/muse2/muse/waveedit/waveedit.cpp
index 8290128f..56185a83 100644
--- a/muse2/muse/waveedit/waveedit.cpp
+++ b/muse2/muse/waveedit/waveedit.cpp
@@ -152,6 +152,12 @@ WaveEdit::WaveEdit(MusECore::PartList* pl)
       mapper->setMapping(act, WaveCanvas::CMD_EDIT_EXTERNAL);
       connect(act, SIGNAL(triggered()), mapper, SLOT(map()));
       
+      menuEdit->addSeparator();
+
+      adjustWaveOffsetAction = menuEdit->addAction(tr("Adjust wave offset..."));
+      mapper->setMapping(adjustWaveOffsetAction, WaveCanvas::CMD_ADJUST_WAVE_OFFSET);
+      connect(adjustWaveOffsetAction, SIGNAL(triggered()), mapper, SLOT(map()));
+      
       act = menuFunctions->addAction(tr("Mute Selection"));
       mapper->setMapping(act, WaveCanvas::CMD_MUTE);
       connect(act, SIGNAL(triggered()), mapper, SLOT(map()));
diff --git a/muse2/muse/waveedit/waveedit.h b/muse2/muse/waveedit/waveedit.h
index 2d74391a..7165a63a 100644
--- a/muse2/muse/waveedit/waveedit.h
+++ b/muse2/muse/waveedit/waveedit.h
@@ -71,6 +71,7 @@ class WaveEdit : public MidiEditor {
       QAction* pasteAction;
       QAction* selectPrevPartAction;
       QAction* selectNextPartAction;
+      QAction* adjustWaveOffsetAction;
 
       QAction* evColorNormalAction;
       QAction* evColorPartsAction;