comparison view/Pane.cpp @ 510:683c46d7500b

* Handle zero-velocity note ons as well as note offs (can't believe I
  fell for that one)
* Add Peek Left / Peek Right (alt+left/right) and change peek-drag
  (i.e. dragging without moving playback pointer or other panes) from
  ctrl+drag to alt+drag for symmetry

     View(w, true),
     m_identifyFeatures(false),
     m_clickedInRange(false),
     m_shiftPressed(false),
     m_ctrlPressed(false),
+    m_altPressed(false),
     m_navigating(false),
     m_resizing(false),
     m_editing(false),
     m_releasing(false),
     m_centreLineVisible(true),

     m_clickedInRange = true;
     m_editingSelection = Selection();
     m_editingSelectionEdge = 0;
     m_shiftPressed = (e->modifiers() & Qt::ShiftModifier);
     m_ctrlPressed = (e->modifiers() & Qt::ControlModifier);
+    m_altPressed = (e->modifiers() & Qt::AltModifier);
     m_dragMode = UnresolvedDrag;
 
     ViewManager::ToolMode mode = ViewManager::NavigateMode;
     if (m_manager) mode = m_manager->getToolMode();
 

             newCentreFrame = getModelsEndFrame();
             if (newCentreFrame > 0) --newCentreFrame;
         }
                 
         if (getXForFrame(m_centreFrame) != getXForFrame(newCentreFrame)) {
-            setCentreFrame(newCentreFrame, !m_ctrlPressed);
+            setCentreFrame(newCentreFrame, !m_altPressed);
         }
     }
 
     if (m_dragMode == VerticalDrag ||
         m_dragMode == FreeDrag) {

 
     m_clickPos = e->pos();
     m_clickedInRange = true;
     m_shiftPressed = (e->modifiers() & Qt::ShiftModifier);
     m_ctrlPressed = (e->modifiers() & Qt::ControlModifier);
+    m_altPressed = (e->modifiers() & Qt::AltModifier);
 
     ViewManager::ToolMode mode = ViewManager::NavigateMode;
     if (m_manager) mode = m_manager->getToolMode();
 
     bool relocate = (mode == ViewManager::NavigateMode ||