Added handler and configurability of wavefrom view

com.minres.scviewer.database.test/inputs/simple_system.vcd

@@ -1622,7 +1622,7 @@ b1110100011010100101001010 aabdd
 0aabdv
 0aabdw
 0aabdx
-r1.0 bbbbb
+r0.0 bbbbb
 $end
 
 #10000
@@ -1640,6 +1640,28 @@ $end
 0aabcq
 0aabcy
 0aabde
+r1.0 bbbbb
+
+#20000
+r2.0 bbbbb
+
+#30000
+r2.5 bbbbb
+
+#40000
+r1.5 bbbbb
+
+#50000
+r-1.0 bbbbb
+
+#60000
+r-2.5 bbbbb
+
+#70000
+r-1.0 bbbbb
+
+#80000
+r0.0 bbbbb
 
 #1287121272
 b1000000000100000000000000000100 aabcr

com.minres.scviewer.database.ui.swt/src/com/minres/scviewer/database/swt/internal/SignalPainter.java

@@ -67,7 +67,6 @@ public class SignalPainter extends TrackPainter {
 	private static final JPanel DUMMY_PANEL = new JPanel();
 
 	private final WaveformCanvas waveCanvas;
-	private ISignal<? extends ISignalChange> signal;
 
 	int yOffsetT;
 	int yOffsetM;
@@ -77,7 +76,6 @@ public class SignalPainter extends TrackPainter {
 	public SignalPainter(WaveformCanvas txDisplay, boolean even, TrackEntry trackEntry) {
 		super(trackEntry, even);
 		this.waveCanvas = txDisplay;
-		this.signal = trackEntry.getSignal();
 	}
 
 	private int getXEnd(long time) {
@@ -86,6 +84,7 @@ public class SignalPainter extends TrackPainter {
 	}
 
 	public void paintArea(GC gc, Rectangle area) {
+		ISignal<? extends ISignalChange> signal = trackEntry.getSignal();
 		if (trackEntry.selected)
 			gc.setBackground(this.waveCanvas.colors[WaveformColors.TRACK_BG_HIGHLITE.ordinal()]);
 		else
@@ -156,9 +155,14 @@ public class SignalPainter extends TrackPainter {
 		if(left.value instanceof ISignalChangeBit)
 			return new SingleBitStencil();
 		else if (left.value instanceof ISignalChangeBitVector)
+			if(trackEntry.waveDisplay==TrackEntry.WaveDisplay.DEFAULT)
 				return new MultiBitStencil(gc);
+			else
+				return new MultiBitStencilAnalog(entries, left.value, 
+						trackEntry.waveDisplay==TrackEntry.WaveDisplay.CONTINOUS,
+						trackEntry.valueDisplay==TrackEntry.ValueDisplay.SIGNED);
 		else if (left.value instanceof ISignalChangeReal)
-			return new RealStencil(entries, left.value);
+			return new RealStencil(entries, left.value, trackEntry.waveDisplay==TrackEntry.WaveDisplay.CONTINOUS);
 		else
 			return null;
 	}
@@ -200,7 +204,18 @@ public class SignalPainter extends TrackPainter {
 				gc.setForeground(colorBorder);
 				gc.drawPolygon(points);
 				gc.setForeground(waveCanvas.colors[WaveformColors.SIGNAL_TEXT.ordinal()]);
-				String label = "h'" + last.getValue().toHexString();
+				//TODO: this code should be provided from a central location
+				String label = null;
+				switch(trackEntry.valueDisplay) {
+				case SIGNED:
+					label=Long.toString(last.getValue().toSignedValue());
+					break;
+				case UNSIGNED:
+					label=Long.toString(last.getValue().toUnsignedValue());
+					break;
+				default:
+					label="h'"+last.getValue().toHexString();
+				}
 				Point bb = getBoxWidth(gc, label);
 				if (xBegin < area.x) {
 					xBegin = area.x;
@@ -224,6 +239,62 @@ public class SignalPainter extends TrackPainter {
 
 	}
 
+	private class MultiBitStencilAnalog implements SignalStencil {
+
+		final boolean continous;
+		final boolean signed;
+		private long minVal;
+		private long range;
+
+		@SuppressWarnings("unchecked")
+		public MultiBitStencilAnalog(NavigableMap<Long, ? extends ISignalChange> entries, ISignalChange left, boolean continous, boolean signed) {
+			this.continous=continous;
+			this.signed=signed;
+			Collection<ISignalChangeBitVector> values = ((NavigableMap<Long, ISignalChangeBitVector>) entries).values();
+			minVal=((ISignalChangeBitVector) left).getValue().toUnsignedValue();
+			range=2;
+			if(!values.isEmpty()) {
+				long maxVal=minVal;
+				for (ISignalChange e : entries.values()) {
+					long v = ((ISignalChangeBitVector)e).getValue().toUnsignedValue();
+					maxVal=Math.max(maxVal, v);
+					minVal=Math.min(minVal, v);
+				}
+				if(maxVal==minVal) {
+					maxVal--;
+					minVal++;
+				}
+				range = maxVal-minVal;
+			} else
+				minVal--;
+			
+		}
+
+		public void draw(GC gc, Rectangle area, ISignalChange left, ISignalChange right, int xBegin, int xEnd, boolean multiple) {
+			long leftVal = ((ISignalChangeBitVector) left).getValue().toUnsignedValue();
+			long rightVal= ((ISignalChangeBitVector) right).getValue().toUnsignedValue();
+			gc.setForeground(waveCanvas.colors[WaveformColors.SIGNAL_REAL.ordinal()]);
+			int yOffsetLeft = (int) ((leftVal-minVal) / range * (yOffsetB-yOffsetT));
+			int yOffsetRight = (int) ((rightVal-minVal) / range * (yOffsetB-yOffsetT));
+			if(continous) {
+				if (xEnd > maxX) {
+					gc.drawLine(xBegin, yOffsetB-yOffsetLeft, maxX, yOffsetB-yOffsetRight);
+				} else {
+					gc.drawLine(xBegin, yOffsetB-yOffsetLeft, xEnd, yOffsetB-yOffsetRight);
+				}
+			} else {
+				if (xEnd > maxX) {
+					gc.drawLine(xBegin, yOffsetB-yOffsetLeft, maxX, yOffsetB-yOffsetLeft);
+				} else {
+					gc.drawLine(xBegin, yOffsetB-yOffsetLeft, xEnd, yOffsetB-yOffsetLeft);
+					if(yOffsetRight!=yOffsetLeft) {
+						gc.drawLine(xEnd, yOffsetB-yOffsetLeft, xEnd, yOffsetB-yOffsetRight);
+					}
+				}
+			}
+		}
+	}
+
 	private class SingleBitStencil implements SignalStencil {
 		public void draw(GC gc, Rectangle area, ISignalChange left, ISignalChange right, int xBegin, int xEnd, boolean multiple) {
 			if (multiple) {
@@ -269,49 +340,47 @@ public class SignalPainter extends TrackPainter {
 			}
 		}
 	}
-/*
-	private class RealStencil implements SignalStencil {
-		double min;
-		double max;
-		double diff;
 
-		public RealStencil(ISignalChange value, NavigableMap<Long, ? extends ISignalChange> entries) {
+	private class RealStencil implements SignalStencil {
-			min=((ISignalChangeReal) value).getValue();
+
-			max=min;
+		double minVal, range;
+		
+		final double scaleFactor = 1.05;
+		
+		boolean continous=true;
+		
+		@SuppressWarnings("unchecked")
+		public RealStencil(NavigableMap<Long, ? extends ISignalChange> entries, ISignalChange left, boolean continous) {
+			this.continous=continous;
+			Collection<ISignalChangeReal> values = ((NavigableMap<Long, ISignalChangeReal>) entries).values();
+			minVal=((ISignalChangeReal) left).getValue();
+			range=2.0;
+			if(!values.isEmpty()) {
+				double maxVal=minVal;
 				for (ISignalChange e : entries.values()) {
 					double v = ((ISignalChangeReal)e).getValue();
-				max= Double.isNaN(max)? v : Math.max(max, v);
+					if(Double.isNaN(maxVal))
-				min= Double.isNaN(min)? v : Math.min(min, v);
+						maxVal=v;
+					else if(!Double.isNaN(v))
+						maxVal=Math.max(maxVal, v);
+					if(Double.isNaN(minVal))
+						minVal=v;
+					else if(!Double.isNaN(v))
+						minVal=Math.min(minVal, v);
 				}
-			int nans = (Double.isNaN(max)?2:0) + (Double.isNaN(max)?1:0); 
+				if(Double.isNaN(maxVal)){
-			switch(nans) {
+					maxVal=minVal=0.0;
-			case 0:
-				break;
-			case 1:
-				max=min;
-				break;
-			case 2:
-				min=max;
-			case 3:
-				max=min=0;
 				}
-			diff=max-min;
+				range = (maxVal-minVal)*scaleFactor;
-			if(diff==0.0) {
+				double avg = (maxVal+minVal)/2.0;
-				if(max>0)
+				minVal=avg-(avg-minVal)*scaleFactor;
-					min=0.0;
-				else if(min<0.0)
-					max=0.0;
-				else {
-					max=1.0;
-					min=0.0;
-				}
-				diff=max-min;
 			}
 		}
 
 		public void draw(GC gc, Rectangle area, ISignalChange left, ISignalChange right, int xBegin, int xEnd, boolean multiple) {
-			double value = ((ISignalChangeReal)left).getValue();
+			double leftVal = ((ISignalChangeReal) left).getValue();
-			if(Double.isNaN(value)) {
+			double rightVal= ((ISignalChangeReal) right).getValue();
+			if(Double.isNaN(leftVal)) {
 				Color color = waveCanvas.colors[WaveformColors.SIGNAL_NAN.ordinal()];
 				int width = xEnd - xBegin;
 				if (width > 1) {
@@ -330,60 +399,16 @@ public class SignalPainter extends TrackPainter {
 					gc.drawLine(xEnd, yOffsetT, xEnd, yOffsetB);
 				}
 			} else {				
-				Color color = waveCanvas.colors[WaveformColors.SIGNAL_ANALOG.ordinal()];
-				int height=yOffsetT-yOffsetB;
-				double offset=value-min;
-				int yOffset=diff>0?(int)(height*(offset/diff)) + yOffsetB:yOffsetM;
-				gc.setForeground(color);
-				if (xEnd > maxX) {
-					gc.drawLine(xBegin, yOffset, maxX, yOffset);
-				} else {
-					gc.drawLine(xBegin, yOffset, xEnd, yOffset);
-					double nextOffset = ((ISignalChangeReal)right).getValue()-min;
-					int yNext = diff>0?(int)(height*(nextOffset/diff)) + yOffsetB:height/2;
-					if (yOffset != yNext)
-						gc.drawLine(xEnd, yOffset, xEnd, yNext);
-				}
-			}
-		}
-	}
-*/
-	private class RealStencil implements SignalStencil {
-
-		double minVal, range;
-		
-		final double scaleFactor = 1.05;
-		
-		boolean stepWise=true;
-		
-		@SuppressWarnings("unchecked")
-		public RealStencil(NavigableMap<Long, ? extends ISignalChange> entries, ISignalChange left) {
-			Collection<ISignalChangeReal> values = ((NavigableMap<Long, ISignalChangeReal>) entries).values();
-			minVal=((ISignalChangeReal) left).getValue();
-			range=2.0;
-			if(!values.isEmpty()) {
-				double maxVal=minVal;
-				for(ISignalChangeReal v:values) {
-					minVal=Math.min(minVal, v.getValue());
-					maxVal=Math.max(maxVal, v.getValue());
-				}
-				range = (maxVal-minVal)*scaleFactor;
-				double avg = (maxVal+minVal)/2.0;
-				minVal=avg-(avg-minVal)*scaleFactor;
-			}
-		}
-
-		public void draw(GC gc, Rectangle area, ISignalChange left, ISignalChange right, int xBegin, int xEnd, boolean multiple) {
-			double leftVal = ((ISignalChangeReal) left).getValue();
-			double rightVal= ((ISignalChangeReal) right).getValue();
-//			if (multiple) {
-//				gc.setForeground(waveCanvas.colors[WaveformColors.SIGNALX.ordinal()]);
-//			} else {
 				gc.setForeground(waveCanvas.colors[WaveformColors.SIGNAL_REAL.ordinal()]);
-//			}
 				int yOffsetLeft = (int) ((leftVal-minVal) / range * (yOffsetB-yOffsetT));
-			int yOffsetRight = (int) ((rightVal-minVal) / range * (yOffsetB-yOffsetT));
+				int yOffsetRight = Double.isNaN(rightVal)?yOffsetLeft:(int) ((rightVal-minVal) / range * (yOffsetB-yOffsetT));
-			if(stepWise) {
+				if(continous) {
+					if (xEnd > maxX) {
+						gc.drawLine(xBegin, yOffsetB-yOffsetLeft, maxX, yOffsetB-yOffsetRight);
+					} else {
+						gc.drawLine(xBegin, yOffsetB-yOffsetLeft, xEnd, yOffsetB-yOffsetRight);
+					}
+				} else {
 					if (xEnd > maxX) {
 						gc.drawLine(xBegin, yOffsetB-yOffsetLeft, maxX, yOffsetB-yOffsetLeft);
 					} else {
@@ -392,19 +417,9 @@ public class SignalPainter extends TrackPainter {
 							gc.drawLine(xEnd, yOffsetB-yOffsetLeft, xEnd, yOffsetB-yOffsetRight);
 						}
 					}
-				
-			} else {
-				if (xEnd > maxX) {
-					gc.drawLine(xBegin, yOffsetB-yOffsetLeft, maxX, yOffsetB-yOffsetRight);
-				} else {
-					gc.drawLine(xBegin, yOffsetB-yOffsetLeft, xEnd, yOffsetB-yOffsetRight);
 				}
 			}
 		}
 	}
 
-	public ISignal<? extends ISignalChange> getSignal() {
-		return signal;
-	}
-
 }

com.minres.scviewer.database.ui.swt/src/com/minres/scviewer/database/swt/internal/WaveformViewer.java

@@ -119,8 +119,6 @@ public class WaveformViewer implements IWaveformViewer  {
 
 	private TreeMap<Integer, TrackEntry> trackVerticalOffset;
 
-	private HashMap<IWaveform<? extends IWaveformEvent>, String> actualValues;
-
 	private Font nameFont, nameFontB;
 
 	protected MouseListener nameValueMouseListener = new MouseAdapter() {
@@ -225,7 +223,6 @@ public class WaveformViewer implements IWaveformViewer  {
 
 		trackVerticalOffset = new TreeMap<Integer, TrackEntry>();
 		trackVerticalHeight=0;
-		actualValues = new HashMap<IWaveform<? extends IWaveformEvent>, String>();
 
 		nameFont = parent.getDisplay().getSystemFont();
 		nameFontB = SWTResourceManager.getBoldFont(nameFont);
@@ -384,19 +381,18 @@ public class WaveformViewer implements IWaveformViewer  {
 			waveformCanvas.getDisplay().asyncExec(new Runnable() {
 				@Override
 				public void run() {
-					updateTracklist();
+					update();
 				}
 			});
 		}
 	}
 
-	protected void updateTracklist() {
+	public void update() {
 		trackVerticalHeight = 0;
 		int nameMaxWidth = 0;
 		int previousHeight = trackVerticalOffset.size() == 0 ? 0 : trackVerticalOffset.lastKey();
 		IWaveformPainter painter = null;
 		trackVerticalOffset.clear();
-		actualValues.clear();
 		waveformCanvas.clearAllWaveformPainter();
 		boolean even = true;
 		boolean clearSelection = true;
@@ -407,12 +403,12 @@ public class WaveformViewer implements IWaveformViewer  {
 			streamEntry.vOffset=trackVerticalHeight;
 			clearSelection &= currentWaveformSelection!=null && (streamEntry.waveform != currentWaveformSelection.waveform);
 			if (streamEntry.isStream()) {
+				streamEntry.currentValue="";
 				streamEntry.height *= streamEntry.getStream().getMaxConcurrency();
 				painter = new StreamPainter(waveformCanvas, even, streamEntry);
-				actualValues.put(streamEntry.waveform, "");
 			} else if (streamEntry.isSignal()) {
+				streamEntry.currentValue="---";
 				painter = new SignalPainter(waveformCanvas, even, streamEntry);
-				actualValues.put(streamEntry.waveform, "---");
 			}
 			waveformCanvas.addWaveformPainter(painter);
 			trackVerticalOffset.put(trackVerticalHeight, streamEntry);
@@ -440,14 +436,15 @@ public class WaveformViewer implements IWaveformViewer  {
         for(Entry<Integer, IWaveform<? extends IWaveformEvent>> entry: trackVerticalOffset.entrySet()){
         	System.out.println("    "+entry.getKey()+": " +entry.getValue().getFullName());
         }
-		 */    }
+		 */    
+	}
 
 	private int calculateValueWidth() {
 		TextLayout tl = new TextLayout(waveformCanvas.getDisplay());
 		tl.setFont(nameFontB);
 		int valueMaxWidth = 0;
-		for (String v : actualValues.values()) {
+		for (TrackEntry v : streams) {
-			tl.setText(v);
+			tl.setText(v.currentValue);
 			valueMaxWidth = Math.max(valueMaxWidth, tl.getBounds().width);
 		}
 		return valueMaxWidth + 15;
@@ -455,22 +452,32 @@ public class WaveformViewer implements IWaveformViewer  {
 
 	private void updateValueList(){
 		final Long time = getCursorTime();
-		for(Entry<IWaveform<? extends IWaveformEvent>, String> entry:actualValues.entrySet()){
+		for(TrackEntry entry:streams){
-			if(entry.getKey() instanceof ISignal){    
+			if(entry.isSignal()){    
-				ISignalChange event = ((ISignal<?>)entry.getKey()).getWaveformEventsBeforeTime(time);
+				ISignalChange event = ((ISignal<?>)entry.waveform).getWaveformEventsBeforeTime(time);
 				if(event instanceof ISignalChangeBit){
-					entry.setValue("b'"+((ISignalChangeBit)event).getValue());
+					entry.currentValue="b'"+((ISignalChangeBit)event).getValue();
 				} else if(event instanceof ISignalChangeBitVector){
-					entry.setValue("h'"+((ISignalChangeBitVector)event).getValue().toHexString());
+					// TODO: same code resides in SignalPainter, fix it
+					switch(entry.valueDisplay) {
+					case SIGNED:
+						entry.currentValue=Long.toString(((ISignalChangeBitVector)event).getValue().toSignedValue());
+						break;						
+					case UNSIGNED:
+						entry.currentValue=Long.toString(((ISignalChangeBitVector)event).getValue().toUnsignedValue());
+						break;
+					default:
+						entry.currentValue="h'"+((ISignalChangeBitVector)event).getValue().toHexString();
+					}
 				} else if(event instanceof ISignalChangeReal){
 					double val = ((ISignalChangeReal)event).getValue();
 					if(val>0.001)
-						entry.setValue(String.format("%1$,.3f", val));
+						entry.currentValue=String.format("%1$,.3f", val);
 					else
-						entry.setValue(Double.toString(val));
+						entry.currentValue=Double.toString(val);
 				}
-			} else if(entry.getKey() instanceof ITxStream<?>){
+			} else if(entry.isStream()){
-				ITxStream<?> stream = (ITxStream<?>) entry.getKey();
+				ITxStream<?> stream = (ITxStream<?>) entry.waveform;
 				ITx[] resultsList = new ITx[stream.getMaxConcurrency()];
 				Entry<Long, List<ITxEvent>> firstTx=stream.getEvents().floorEntry(time);
 				if(firstTx!=null){
@@ -492,7 +499,7 @@ public class WaveformViewer implements IWaveformViewer  {
 							value+="|";
 						if(o!=null) value+=((ITx)o).getGenerator().getName();
 					}
-					entry.setValue(value);
+					entry.currentValue=value;
 				}
 			}
 		}
@@ -775,7 +782,7 @@ public class WaveformViewer implements IWaveformViewer  {
 			int newIdx=idx+i;
 			if(newIdx>=0 && newIdx<streams.size()){
 				Collections.swap(streams,idx,newIdx);
-				updateTracklist();
+				update();
 				if(selectedTx!=null){
 					setSelection(new StructuredSelection(new Object[]{selectedTx, selectedWaveform.waveform}));
 				} else
@@ -825,7 +832,7 @@ public class WaveformViewer implements IWaveformViewer  {
 					IWaveform<? extends IWaveformEvent> w = trackEntry.waveform;
 					if (w instanceof ITxStream<?>)
 						subArea.height *= ((ITxStream<?>) w).getMaxConcurrency();
-					drawValue(gc, subArea, firstKey, actualValues.get(w), trackEntry.selected);
+					drawValue(gc, subArea, firstKey, trackEntry.currentValue, trackEntry.selected);
 				} else {
 					for (Entry<Integer, TrackEntry> entry : trackVerticalOffset.subMap(firstKey, true, lastKey, true)
 							.entrySet()) {
@@ -833,7 +840,7 @@ public class WaveformViewer implements IWaveformViewer  {
 						subArea.height = waveformCanvas.getTrackHeight();
 						if (w instanceof ITxStream<?>)
 							subArea.height *= ((ITxStream<?>) w).getMaxConcurrency();
-						drawValue(gc, subArea, entry.getKey(), actualValues.get(w), entry.getValue().selected);
+						drawValue(gc, subArea, entry.getKey(), entry.getValue().currentValue, entry.getValue().selected);
 					}
 				}
 			}catch(NoSuchElementException e){}
@@ -1001,7 +1008,7 @@ public class WaveformViewer implements IWaveformViewer  {
 							else
 								streams.add(tgtIdx, srcWave);
 							currentWaveformSelection=srcWave;
-							updateTracklist();
+							update();
 						} else if(source instanceof CursorPainter){
 							((CursorPainter)source).setTime(0);
 							updateValueList();

com.minres.scviewer.database.ui/src/com/minres/scviewer/database/ui/IWaveformViewer.java

@@ -35,6 +35,8 @@ public interface IWaveformViewer extends PropertyChangeListener, ISelectionProvi
 
 	public void removeSelectionChangedListener(ISelectionChangedListener listener);
 	
+	public void update();
+
 	public Control getControl();
 
 	public Control getNameControl();

com.minres.scviewer.database.ui/src/com/minres/scviewer/database/ui/TrackEntry.java

@@ -17,7 +17,17 @@ import com.minres.scviewer.database.ITxStream;
 import com.minres.scviewer.database.IWaveform;
 import com.minres.scviewer.database.IWaveformEvent;
 
+
 public class TrackEntry {
+	public enum ValueDisplay {
+		DEFAULT, SIGNED, UNSIGNED
+
+	}
+
+	public enum WaveDisplay {
+		DEFAULT, STEP_WISE, CONTINOUS
+	}
+
 	final public IWaveform<? extends IWaveformEvent> waveform;
 
 	public int vOffset;
@@ -26,6 +36,12 @@ public class TrackEntry {
 
 	public boolean selected;
 	
+	public String currentValue="";
+	
+	public ValueDisplay valueDisplay = ValueDisplay.DEFAULT;
+	
+	public WaveDisplay waveDisplay = WaveDisplay.DEFAULT;
+	
 	public TrackEntry(IWaveform<? extends IWaveformEvent> waveform) {
 		this.waveform = waveform;
 		vOffset=0;

com.minres.scviewer.database/src/com/minres/scviewer/database/BitVector.java

@@ -63,4 +63,49 @@ public class BitVector {
 		}
 		return new String(res);		
 	}
+	
+	public long toUnsignedValue() {
+		long res = 0;
+		for(char c:value) {
+			res<<=1;
+			switch (c) {
+			case VALUE_1:
+				res++;
+				break;
+			case VALUE_X:
+			case VALUE_Z:
+				return 0;
+			default:
+				break;
 			}
+		}
+		return res;
+	}
+	
+	public long toSignedValue() {
+		Boolean negative=null;
+		long res = 0;
+		for(char c:value) {
+			if(negative == null) {
+				switch (c) {
+				case VALUE_1: negative=true; break;
+				case VALUE_0: negative=false; break;
+				case VALUE_X:
+				case VALUE_Z: return 0;
+				default:
+				}				
+			} else {
+				res<<=1;
+				switch (c) {
+				case VALUE_1: if(!negative)	res++; break;
+				case VALUE_0: if(negative)	res++; break;
+				case VALUE_X:
+				case VALUE_Z: return 0;
+				default:
+				}
+			}
+		}
+		return negative?-1*(res+1):res;
+	}
+}
+

com.minres.scviewer.e4.application/Application.e4xmi

@@ -142,7 +142,7 @@
       </children>
     </trimBars>
   </children>
-  <children xsi:type="basic:Dialog" xmi:id="_8BTkQIytEeWid7xO48ZBXw" elementId="com.minres.scviewer.e4.application.dialog.aboutscviewer" toBeRendered="false" visible="false" selectedElement="__VNlAIytEeWid7xO48ZBXw" label="About SCViewer" y="600">
+  <children xsi:type="basic:Dialog" xmi:id="_8BTkQIytEeWid7xO48ZBXw" elementId="com.minres.scviewer.e4.application.dialog.aboutscviewer" toBeRendered="false" visible="false" selectedElement="__VNlAIytEeWid7xO48ZBXw" label="About SCViewer" x="200" y="200">
     <children xsi:type="basic:Part" xmi:id="__VNlAIytEeWid7xO48ZBXw" elementId="com.minres.scviewer.e4.application.part.0" contributionURI="bundleclass://com.minres.scviewer.e4.application/com.minres.scviewer.e4.application.parts.AboutDialog"/>
   </children>
   <handlers xmi:id="_95PfvXNmEeWBq8z1Dv39LA" elementId="com.minres.scviewer.e4.application.handler.quitCommand" contributionURI="bundleclass://com.minres.scviewer.e4.application/com.minres.scviewer.e4.application.handlers.QuitHandler" command="_95PfvHNmEeWBq8z1Dv39LA"/>
@@ -171,6 +171,8 @@
     <handlers xmi:id="_297tsHXHEeWwZ-9vrAR2UQ" elementId="com.minres.scviewer.e4.application.handler.deletewaveformCommand" contributionURI="bundleclass://com.minres.scviewer.e4.application/com.minres.scviewer.e4.application.handlers.DeleteWaveformHandler" command="_WUZ2wHXHEeWwZ-9vrAR2UQ"/>
     <handlers xmi:id="_2Ai4YHXHEeWwZ-9vrAR2UQ" elementId="com.minres.scviewer.e4.application.handler.movewaveformupCommand" contributionURI="bundleclass://com.minres.scviewer.e4.application/com.minres.scviewer.e4.application.handlers.MoveWaveformHandler" command="_N_sOkHXHEeWwZ-9vrAR2UQ"/>
     <handlers xmi:id="_Du1NAHcrEeWwZ-9vrAR2UQ" elementId="com.minres.scviewer.e4.application.handler.zoomCommand" contributionURI="bundleclass://com.minres.scviewer.e4.application/com.minres.scviewer.e4.application.handlers.ZoomHandler" command="_693GoHcqEeWwZ-9vrAR2UQ"/>
+    <handlers xmi:id="_bxt4QM3rEei6rfTGo88R-w" elementId="com.minres.scviewer.e4.application.handler.changeWaveDisplay" contributionURI="bundleclass://com.minres.scviewer.e4.application/com.minres.scviewer.e4.application.handlers.ChangeWaveformDisplay" command="_FZunYM2PEei6rfTGo88R-w"/>
+    <handlers xmi:id="_bxw7kM3rEei6rfTGo88R-w" elementId="com.minres.scviewer.e4.application.handler.changeValueDisplay" contributionURI="bundleclass://com.minres.scviewer.e4.application/com.minres.scviewer.e4.application.handlers.ChangeValueDisplay" command="_4C_asM3ZEei6rfTGo88R-w"/>
     <menus xsi:type="menu:PopupMenu" xmi:id="_TwzrsHWSEeWwZ-9vrAR2UQ" elementId="com.minres.scviewer.e4.application.popupmenu.namecontext" label="Name Menu">
       <children xsi:type="menu:HandledMenuItem" xmi:id="_Vco7YHWSEeWwZ-9vrAR2UQ" elementId="com.minres.scviewer.e4.application.handledmenuitem.moveup" label="Move up" iconURI="platform:/plugin/com.minres.scviewer.e4.application/icons/up_blue.png" tooltip="Move stream/waveform in list up" command="_N_sOkHXHEeWwZ-9vrAR2UQ">
         <visibleWhen xsi:type="ui:CoreExpression" xmi:id="_elFdcHr_EeWVM_sKoXvptg" coreExpressionId="com.minres.scviewer.e4.application.oneWaveSeleted"/>
@@ -204,41 +206,51 @@
       <children xsi:type="menu:HandledMenuItem" xmi:id="_4ZeEQHabEeWwZ-9vrAR2UQ" elementId="com.minres.scviewer.e4.application.handledmenuitem.previouschange" label="Previous Tx" iconURI="platform:/plugin/com.minres.scviewer.e4.application/icons/reverse_green.png" command="_Gn3lEHXKEeWwZ-9vrAR2UQ">
         <parameters xmi:id="_4ZeEQXabEeWwZ-9vrAR2UQ" elementId="com.minres.scviewer.e4.application.parameter.5" name="com.minres.scviewer.e4.application.command.navigateTransCommand.parameter.dir" value="prev"/>
       </children>
-      <children xsi:type="menu:DynamicMenuContribution" xmi:id="_KYI1EMxxEeiQc8UNpkcyEA" elementId="com.minres.scviewer.e4.application.dynamicmenucontribution.0" label="View as..." contributionURI="bundleclass://com.minres.scviewer.e4.application/com.minres.scviewer.e4.application.elements.WaveformPopupMenuContribution"/>
+      <children xsi:type="menu:MenuSeparator" xmi:id="__Ubd4M1eEei6rfTGo88R-w" elementId="com.minres.scviewer.e4.application.menuseparator.0"/>
+      <children xsi:type="menu:Menu" xmi:id="_mAA6sM1bEei6rfTGo88R-w" elementId="com.minres.scviewer.e4.application.menu.view" label="View">
+        <visibleWhen xsi:type="ui:ImperativeExpression" xmi:id="_psvR0M1gEei6rfTGo88R-w" contributionURI="bundleclass://com.minres.scviewer.e4.application/com.minres.scviewer.e4.application.elements.WaveformPopupMenuContribution"/>
+        <children xsi:type="menu:DynamicMenuContribution" xmi:id="_IQZZQM3hEei6rfTGo88R-w" elementId="com.minres.scviewer.e4.application.dynamicmenucontribution.0" contributionURI="bundleclass://com.minres.scviewer.e4.application/com.minres.scviewer.e4.application.elements.WaveformPopupMenuContribution"/>
+      </children>
     </menus>
   </descriptors>
-  <commands xmi:id="_95PfvHNmEeWBq8z1Dv39LA" elementId="org.eclipse.ui.file.exit" commandName="quitCommand"/>
+  <commands xmi:id="_95PfvHNmEeWBq8z1Dv39LA" elementId="org.eclipse.ui.file.exit" commandName="Quit Command"/>
-  <commands xmi:id="_95PfwHNmEeWBq8z1Dv39LA" elementId="com.minres.scviewer.e4.application.open" commandName="openCommand"/>
+  <commands xmi:id="_95PfwHNmEeWBq8z1Dv39LA" elementId="com.minres.scviewer.e4.application.open" commandName="Open Command"/>
-  <commands xmi:id="_95Pfw3NmEeWBq8z1Dv39LA" elementId="org.eclipse.ui.file.save" commandName="saveCommand"/>
+  <commands xmi:id="_95Pfw3NmEeWBq8z1Dv39LA" elementId="org.eclipse.ui.file.save" commandName="Save Command"/>
-  <commands xmi:id="_95PfxnNmEeWBq8z1Dv39LA" elementId="org.eclipse.ui.help.aboutAction" commandName="aboutCommand"/>
+  <commands xmi:id="_95PfxnNmEeWBq8z1Dv39LA" elementId="org.eclipse.ui.help.aboutAction" commandName="About Command"/>
-  <commands xmi:id="_N_sOkHXHEeWwZ-9vrAR2UQ" elementId="com.minres.scviewer.e4.application.command.movewaveformupCommand" commandName="moveWaveformCommand">
+  <commands xmi:id="_N_sOkHXHEeWwZ-9vrAR2UQ" elementId="com.minres.scviewer.e4.application.command.movewaveformupCommand" commandName="Move Waveform Command">
     <parameters xmi:id="_lMv-EHZWEeWwZ-9vrAR2UQ" elementId="com.minres.scviewer.e4.application.command.movewaveformupCommand.parameter.dir" name="direction" optional="false"/>
   </commands>
-  <commands xmi:id="_WUZ2wHXHEeWwZ-9vrAR2UQ" elementId="com.minres.scviewer.e4.application.command.deletewaveformCommand" commandName="deleteWaveformCommand"/>
+  <commands xmi:id="_WUZ2wHXHEeWwZ-9vrAR2UQ" elementId="com.minres.scviewer.e4.application.command.deletewaveformCommand" commandName="Delete Waveform Command"/>
-  <commands xmi:id="_bV-TMHXHEeWwZ-9vrAR2UQ" elementId="com.minres.scviewer.e4.application.command.selectallCommand" commandName="selectAllCommand"/>
+  <commands xmi:id="_bV-TMHXHEeWwZ-9vrAR2UQ" elementId="com.minres.scviewer.e4.application.command.selectallCommand" commandName="Select All Command"/>
-  <commands xmi:id="_Gn3lEHXKEeWwZ-9vrAR2UQ" elementId="com.minres.scviewer.e4.application.command.navigateTransCommand" commandName="navigateTransCommand" description="Navigate to related transaction">
+  <commands xmi:id="_Gn3lEHXKEeWwZ-9vrAR2UQ" elementId="com.minres.scviewer.e4.application.command.navigateTransCommand" commandName="Navigate Transaction Command" description="Navigate to related transaction">
     <parameters xmi:id="_howw0HXQEeWwZ-9vrAR2UQ" elementId="com.minres.scviewer.e4.application.command.navigateTransCommand.parameter.dir" name="direction" optional="false"/>
   </commands>
-  <commands xmi:id="_79rx4HabEeWwZ-9vrAR2UQ" elementId="com.minres.scviewer.e4.application.command.navigateEventCommand" commandName="navigateEventCommand">
+  <commands xmi:id="_79rx4HabEeWwZ-9vrAR2UQ" elementId="com.minres.scviewer.e4.application.command.navigateEventCommand" commandName="Navigate Event Command">
     <parameters xmi:id="_79rx4XabEeWwZ-9vrAR2UQ" elementId="com.minres.scviewer.e4.application.command.navigateEventCommand.parameter.dir" name="direction" optional="false"/>
   </commands>
-  <commands xmi:id="_693GoHcqEeWwZ-9vrAR2UQ" elementId="com.minres.scviewer.e4.application.command.zoomcommand" commandName="zoomCommand">
+  <commands xmi:id="_693GoHcqEeWwZ-9vrAR2UQ" elementId="com.minres.scviewer.e4.application.command.zoomcommand" commandName="Zoom Command">
     <parameters xmi:id="_8tbm0HcqEeWwZ-9vrAR2UQ" elementId="com.minres.scviewer.e4.application.command.zoomcommand.parameter.level" name="level" optional="false"/>
   </commands>
-  <commands xmi:id="_2PehEHr9EeWVM_sKoXvptg" elementId="com.minres.scviewer.e4.application.command.addwaveform" commandName="addWaveformCommand">
+  <commands xmi:id="_2PehEHr9EeWVM_sKoXvptg" elementId="com.minres.scviewer.e4.application.command.addwaveform" commandName="Add Waveform Command">
     <parameters xmi:id="_6KsZcHr9EeWVM_sKoXvptg" elementId="com.minres.scviewer.e4.application.command.addwaveform.where" name="where" optional="false"/>
     <parameters xmi:id="_7T1TcHwIEeWv0Y5uF2QN5w" elementId="com.minres.scviewer.e4.application.command.addwaveform.all" name="all" typeId="" optional="false"/>
   </commands>
   <commands xmi:id="_AxH6sIl_EeWxJ_wPkM6yGQ" elementId="org.eclipse.ui.window.preferences" commandName="Preferences"/>
-  <commands xmi:id="_KlGlsIoNEeWxJ_wPkM6yGQ" elementId="com.minres.scviewer.e4.application.command.set_them" commandName="Set Theme">
+  <commands xmi:id="_KlGlsIoNEeWxJ_wPkM6yGQ" elementId="com.minres.scviewer.e4.application.command.set_them" commandName="Set Theme Command">
     <parameters xmi:id="_O8Z9IIoNEeWxJ_wPkM6yGQ" elementId="com.minres.scviewer.e4.application.command.theme.parameter.id" name="themeId" optional="false"/>
   </commands>
-  <commands xmi:id="_E9lUgIt2EeWid7xO48ZBXw" elementId="com.minres.scviewer.e4.application.command.setrelationtype" commandName="SetRelationType">
+  <commands xmi:id="_E9lUgIt2EeWid7xO48ZBXw" elementId="com.minres.scviewer.e4.application.command.setrelationtype" commandName="Set Relation Type Command">
     <parameters xmi:id="_xnW7IIt_EeWid7xO48ZBXw" elementId="com.minres.scviewer.e4.application.commandparameter.relationName" name="relationName" optional="false"/>
   </commands>
-  <commands xmi:id="_7-AIMJebEeW09eyIbHsdvg" elementId="com.minres.scviewer.e4.application.command.loadStoreSettings" commandName="loadStoreSettings">
+  <commands xmi:id="_7-AIMJebEeW09eyIbHsdvg" elementId="com.minres.scviewer.e4.application.command.loadStoreSettings" commandName="Load-Store Settings Command">
     <parameters xmi:id="_wxY3EJehEeW09eyIbHsdvg" elementId="com.minres.scviewer.e4.application.commandparameter.loadStore" name="loadStore"/>
   </commands>
+  <commands xmi:id="_FZunYM2PEei6rfTGo88R-w" elementId="com.minres.scviewer.e4.application.command.changewavedisplay" commandName="Change Waveform Display Command">
+    <parameters xmi:id="_P6PYwM2PEei6rfTGo88R-w" elementId="com.minres.scviewer.e4.application.commandparameter.changewavedisplay" name="Type" optional="false"/>
+  </commands>
+  <commands xmi:id="_4C_asM3ZEei6rfTGo88R-w" elementId="com.minres.scviewer.e4.application.command.changevaluedisplay" commandName="Change Value Display Command">
+    <parameters xmi:id="_4C_asc3ZEei6rfTGo88R-w" elementId="com.minres.scviewer.e4.application.commandparameter.changevaluedisplay" name="Type" optional="false"/>
+  </commands>
   <addons xmi:id="_95PfsnNmEeWBq8z1Dv39LA" elementId="org.eclipse.e4.core.commands.service" contributionURI="bundleclass://org.eclipse.e4.core.commands/org.eclipse.e4.core.commands.CommandServiceAddon"/>
   <addons xmi:id="_95Pfs3NmEeWBq8z1Dv39LA" elementId="org.eclipse.e4.ui.contexts.service" contributionURI="bundleclass://org.eclipse.e4.ui.services/org.eclipse.e4.ui.services.ContextServiceAddon"/>
   <addons xmi:id="_95PftHNmEeWBq8z1Dv39LA" elementId="org.eclipse.e4.ui.bindings.service" contributionURI="bundleclass://org.eclipse.e4.ui.bindings/org.eclipse.e4.ui.bindings.BindingServiceAddon"/>

com.minres.scviewer.e4.application/src/com/minres/scviewer/e4/application/elements/WaveformPopupMenuContribution.java

@@ -1,25 +1,33 @@
  
 package com.minres.scviewer.e4.application.elements;
 
+import java.util.Iterator;
 import java.util.List;
 
 import javax.inject.Inject;
 
-import org.eclipse.e4.ui.di.AboutToShow;
+import org.eclipse.e4.core.di.annotations.Evaluate;
 import org.eclipse.e4.ui.di.AboutToHide;
+import org.eclipse.e4.ui.di.AboutToShow;
+import org.eclipse.e4.ui.model.application.MApplication;
+import org.eclipse.e4.ui.model.application.commands.MCommand;
+import org.eclipse.e4.ui.model.application.commands.MCommandsFactory;
+import org.eclipse.e4.ui.model.application.commands.MParameter;
 import org.eclipse.e4.ui.model.application.ui.basic.MPart;
-import org.eclipse.e4.ui.model.application.ui.menu.MDirectMenuItem;
+import org.eclipse.e4.ui.model.application.ui.menu.ItemType;
+import org.eclipse.e4.ui.model.application.ui.menu.MHandledMenuItem;
 import org.eclipse.e4.ui.model.application.ui.menu.MMenuElement;
 import org.eclipse.e4.ui.model.application.ui.menu.MMenuFactory;
+import org.eclipse.e4.ui.workbench.modeling.EModelService;
 import org.eclipse.jface.viewers.ISelection;
 import org.eclipse.jface.viewers.IStructuredSelection;
 
 import com.minres.scviewer.database.ISignal;
 import com.minres.scviewer.database.ISignalChange;
-import com.minres.scviewer.database.ISignalChangeBit;
 import com.minres.scviewer.database.ISignalChangeBitVector;
 import com.minres.scviewer.database.ISignalChangeReal;
-import com.minres.scviewer.database.ui.GotoDirection;
+import com.minres.scviewer.database.ui.TrackEntry;
+import com.minres.scviewer.database.ui.TrackEntry.ValueDisplay;
 import com.minres.scviewer.e4.application.parts.WaveformViewer;
 
 public class WaveformPopupMenuContribution {
@@ -27,8 +35,10 @@ public class WaveformPopupMenuContribution {
 	
 	@Inject MPart activePart;
 		
-	@AboutToShow
+	final TrackEntry nullEntry = new TrackEntry(null);
-	public void aboutToShow(List<MMenuElement> items) {
+	
+	@Evaluate
+	public boolean evaluate() {
 		Object obj = activePart.getObject();
 		if(obj instanceof WaveformViewer){
 			WaveformViewer wfv = (WaveformViewer)obj;
@@ -37,20 +47,42 @@ public class WaveformPopupMenuContribution {
 				Object selected = ((IStructuredSelection)sel).getFirstElement();
 				if(selected instanceof ISignal<?>) {
 					ISignalChange s = (ISignalChange) ((ISignal<?>) selected).getEvents().firstEntry().getValue();
-					if(s instanceof ISignalChangeReal) {
+					if((s instanceof ISignalChangeReal) || (s instanceof ISignalChangeBitVector)) {
-				        MDirectMenuItem mdi = MMenuFactory.INSTANCE.createDirectMenuItem();
+						return true;
-				        mdi.setLabel("Analog linear");
+					}
-						items.add(mdi);
+				}
-				        mdi = MMenuFactory.INSTANCE.createDirectMenuItem();
+			}
-				        mdi.setLabel("Analog step");
+		}
-						items.add(mdi);
+		return false;
-					} else if(s instanceof ISignalChangeBitVector) {
+	}
-				        MDirectMenuItem mdi = MMenuFactory.INSTANCE.createDirectMenuItem();
+
-				        mdi.setLabel("Analog linear");
+	@AboutToShow
-						items.add(mdi);
+	public void aboutToShow(List<MMenuElement> items, MApplication application, EModelService modelService) {
-				        mdi = MMenuFactory.INSTANCE.createDirectMenuItem();
+		Object obj = activePart.getObject();
-				        mdi.setLabel("Analog step");
+		if(obj instanceof WaveformViewer){
-						items.add(mdi);
+			WaveformViewer wfv = (WaveformViewer)obj;
+			ISelection sel = wfv.getSelection();
+			if(!sel.isEmpty() && sel instanceof IStructuredSelection) {
+				Iterator<?> it = ((IStructuredSelection)sel).iterator();
+				Object first = it.next();
+				Object second=null;
+				if(it.hasNext()) second=it.next();
+				if(first instanceof ISignal<?>) {
+					ISignalChange s = (ISignalChange) ((ISignal<?>) first).getEvents().firstEntry().getValue();
+					//com.minres.scviewer.e4.application.menu.mulitvaluesettings
+					if((s instanceof ISignalChangeReal) || (s instanceof ISignalChangeBitVector)) {
+						TrackEntry entry=nullEntry;
+						if(second instanceof TrackEntry)
+							entry=(TrackEntry)second;
+						if(s instanceof ISignalChangeBitVector) {
+						    addValueMenuItem(items, application, modelService, "hex", TrackEntry.ValueDisplay.DEFAULT, entry.valueDisplay);
+						    addValueMenuItem(items, application, modelService, "unsigned", TrackEntry.ValueDisplay.UNSIGNED, entry.valueDisplay);
+						    addValueMenuItem(items, application, modelService, "signed", TrackEntry.ValueDisplay.SIGNED, entry.valueDisplay);
+							items.add(MMenuFactory.INSTANCE.createMenuSeparator());
+							addWaveMenuItem(items, application, modelService, "bit vector", TrackEntry.WaveDisplay.DEFAULT, entry.waveDisplay);
+						}						
+						addWaveMenuItem(items, application, modelService, "analog step-wise", TrackEntry.WaveDisplay.STEP_WISE, entry.waveDisplay);
+						addWaveMenuItem(items, application, modelService, "analog continous", TrackEntry.WaveDisplay.CONTINOUS, entry.waveDisplay);
 					}
 				}
 			}
@@ -58,6 +90,39 @@ public class WaveformPopupMenuContribution {
 
 	}
 
+	private void addValueMenuItem(List<MMenuElement> items, MApplication application, EModelService modelService,
+			String label, TrackEntry.ValueDisplay value, TrackEntry.ValueDisplay actual) {
+		MHandledMenuItem item = MMenuFactory.INSTANCE.createHandledMenuItem();
+		item.setType(ItemType.RADIO);
+		item.setSelected(value==actual);
+		item.setLabel("Show as "+label);
+		item.setContributorURI("platform:/plugin/com.minres.scviewer.e4.application");
+		List<MCommand> cmds = modelService.findElements(application, "com.minres.scviewer.e4.application.command.changevaluedisplay", MCommand.class, null);
+		if(cmds.size()!=1) System.err.println("No command found!");
+		else item.setCommand(cmds.get(0));
+		MParameter param = MCommandsFactory.INSTANCE.createParameter();
+		param.setName("com.minres.scviewer.e4.application.commandparameter.changevaluedisplay");
+		param.setValue(value.toString());
+		item.getParameters().add(param);
+		items.add(item);
+	}
+	
+	private void addWaveMenuItem(List<MMenuElement> items, MApplication application, EModelService modelService,
+			String label, TrackEntry.WaveDisplay value, TrackEntry.WaveDisplay actual) {
+		MHandledMenuItem item = MMenuFactory.INSTANCE.createHandledMenuItem();
+		item.setType(ItemType.RADIO);
+		item.setSelected(value==actual);
+		item.setLabel("Render "+label);
+		item.setContributorURI("platform:/plugin/com.minres.scviewer.e4.application");
+		List<MCommand> cmds = modelService.findElements(application, "com.minres.scviewer.e4.application.command.changewavedisplay", MCommand.class, null);
+		if(cmds.size()!=1) System.err.println("No command found!");
+		else item.setCommand(cmds.get(0));
+		MParameter param = MCommandsFactory.INSTANCE.createParameter();
+		param.setName("com.minres.scviewer.e4.application.commandparameter.changewavedisplay");
+		param.setValue(value.toString());
+		item.getParameters().add(param);
+		items.add(item);
+	}
 	
 	@AboutToHide
 	public void aboutToHide(List<MMenuElement> items) {

com.minres.scviewer.e4.application/src/com/minres/scviewer/e4/application/handlers/AboutHandler.java

@@ -10,6 +10,8 @@
  *******************************************************************************/
 package com.minres.scviewer.e4.application.handlers;
 
+import javax.inject.Named;
+
 import org.eclipse.e4.core.di.annotations.Execute;
 import org.eclipse.e4.ui.model.application.MApplication;
 import org.eclipse.e4.ui.model.application.ui.basic.MDialog;
@@ -19,9 +21,11 @@ import org.eclipse.swt.widgets.Shell;
 
 public class AboutHandler {
 
+	static final String DIALOG_ID="com.minres.scviewer.e4.application.dialog.aboutscviewer";
+	
 	@Execute
 	public void execute(Shell shell, MApplication app, MWindow window, EModelService ms /*@Named("mdialog01.dialog.0") MDialog dialog*/) {
-		MDialog dialog = (MDialog) ms.find("com.minres.scviewer.e4.application.dialog.aboutscviewer", app); //$NON-NLS-1$
+		MDialog dialog = (MDialog) ms.find(DIALOG_ID, app); //$NON-NLS-1$
 		dialog.setToBeRendered(true);
 		dialog.setToBeRendered(false);
 	}

com.minres.scviewer.e4.application/src/com/minres/scviewer/e4/application/handlers/ChangeValueDisplay.java

@@ -0,0 +1,51 @@
+ 
+package com.minres.scviewer.e4.application.handlers;
+
+import java.util.Iterator;
+
+import javax.inject.Named;
+
+import org.eclipse.e4.core.di.annotations.CanExecute;
+import org.eclipse.e4.core.di.annotations.Execute;
+import org.eclipse.e4.ui.model.application.ui.basic.MPart;
+import org.eclipse.e4.ui.workbench.modeling.EPartService;
+import org.eclipse.jface.viewers.ISelection;
+import org.eclipse.jface.viewers.IStructuredSelection;
+
+import com.minres.scviewer.database.ui.TrackEntry;
+import com.minres.scviewer.e4.application.parts.WaveformViewer;
+
+public class ChangeValueDisplay {
+	
+	static final String PARAMETER_ID="com.minres.scviewer.e4.application.commandparameter.changevaluedisplay"; //$NON-NLS-1$
+
+	@CanExecute
+	public boolean canExecute(EPartService partService) {
+		MPart part = partService.getActivePart();
+		if(part==null) return false;
+		return (part.getObject() instanceof WaveformViewer);
+	}
+
+	@Execute
+	public void execute(@Named(PARAMETER_ID) String param, EPartService partService) {
+		MPart part = partService.getActivePart();
+		Object obj = part.getObject();
+		if(obj instanceof WaveformViewer){
+			WaveformViewer wfv = (WaveformViewer)obj;
+			ISelection sel = wfv.getSelection();
+			if(!sel.isEmpty() && sel instanceof IStructuredSelection) {
+				Iterator<?> it = ((IStructuredSelection)sel).iterator();
+				it.next();
+				if(it.hasNext()) {
+						Object second = it.next();
+						if(second instanceof TrackEntry) {
+							TrackEntry.ValueDisplay val = TrackEntry.ValueDisplay.valueOf(param);
+							((TrackEntry)second).valueDisplay=val;
+							wfv.update();
+						}
+				}
+			}
+		}
+	}
+		
+}

com.minres.scviewer.e4.application/src/com/minres/scviewer/e4/application/handlers/ChangeWaveformDisplay.java

@@ -0,0 +1,51 @@
+ 
+package com.minres.scviewer.e4.application.handlers;
+
+import java.util.Iterator;
+
+import javax.inject.Named;
+
+import org.eclipse.e4.core.di.annotations.CanExecute;
+import org.eclipse.e4.core.di.annotations.Execute;
+import org.eclipse.e4.ui.model.application.ui.basic.MPart;
+import org.eclipse.e4.ui.workbench.modeling.EPartService;
+import org.eclipse.jface.viewers.ISelection;
+import org.eclipse.jface.viewers.IStructuredSelection;
+
+import com.minres.scviewer.database.ui.TrackEntry;
+import com.minres.scviewer.e4.application.parts.WaveformViewer;
+
+public class ChangeWaveformDisplay {
+	
+	static final String PARAMETER_ID="com.minres.scviewer.e4.application.commandparameter.changewavedisplay"; //$NON-NLS-1$
+
+	@CanExecute
+	public boolean canExecute(EPartService partService) {
+		MPart part = partService.getActivePart();
+		if(part==null) return false;
+		return (part.getObject() instanceof WaveformViewer);
+	}
+
+	@Execute
+	public void execute(@Named(PARAMETER_ID) String param, EPartService partService) {
+		MPart part = partService.getActivePart();
+		Object obj = part.getObject();
+		if(obj instanceof WaveformViewer){
+			WaveformViewer wfv = (WaveformViewer)obj;
+			ISelection sel = wfv.getSelection();
+			if(!sel.isEmpty() && sel instanceof IStructuredSelection) {
+				Iterator<?> it = ((IStructuredSelection)sel).iterator();
+				it.next();
+				if(it.hasNext()) {
+						Object second = it.next();
+						if(second instanceof TrackEntry) {
+							TrackEntry.WaveDisplay val= TrackEntry.WaveDisplay.valueOf(param);
+							((TrackEntry)second).waveDisplay=val;
+							wfv.update();
+						}
+				}
+			}
+		}
+	}
+		
+}

com.minres.scviewer.e4.application/src/com/minres/scviewer/e4/application/parts/WaveformViewer.java

@@ -744,7 +744,7 @@ public class WaveformViewer implements IFileChangeListener, IPreferenceChangeLis
     //FIXME: need to use unitString and unitMultiplier from class WaveformCanvas which is located in >com.minres.scviewer.database.swt.internal.
 	//Trying to import com.minres.scviewer.database.swt.internal.WaveformCanvas results in the error:
 	//'Access restriction: The type 'WaveformCanvas' is not API (restriction on required project 'com.minres.scviewer.database.ui.swt')'.
-	public final static String[] unitString={"fs", "ps", "ns", "µs", "ms"};//, "s"};
+	public final static String[] unitString={"fs", "ps", "ns", "<EFBFBD>s", "ms"};//, "s"};
     public final static int[] unitMultiplier={1, 3, 10, 30, 100, 300};
 	
 	/**
@@ -920,4 +920,8 @@ public class WaveformViewer implements IFileChangeListener, IPreferenceChangeLis
 		navigationRelationType=relationType;
 	}
 	
+	public void update() {
+		waveformPane.update();
+	}
+
 }