fix display bug

.gitignore

@@ -8,4 +8,5 @@ SCViewer.xcf
 SCViewer_1.png
 copyrightLog.txt
 /workspace
-?*.launch
+?*.launch
+/.settings/

.settings/org.eclipse.m2e.core.prefs

@@ -1,4 +0,0 @@
-activeProfiles=
-eclipse.preferences.version=1
-resolveWorkspaceProjects=true
-version=1

plugins/com.minres.scviewer.database.ui.swt/src/com/minres/scviewer/database/ui/swt/internal/ArrowPainter.java

@@ -38,7 +38,7 @@ public class ArrowPainter implements IPainter {
 
 	private int yCtrlOffset = 30;
 
-	private WaveformCanvas waveCanvas;
+	private final WaveformCanvas waveCanvas;
 
 	private ITx tx;
 
@@ -54,8 +54,6 @@ public class ArrowPainter implements IPainter {
 	
 	long scaleFactor;
 
-	boolean deferUpdate;
-
 	public ArrowPainter(WaveformCanvas waveCanvas, RelationType relationType) {
 		this.waveCanvas = waveCanvas;
 		highlightType=relationType;
@@ -90,15 +88,15 @@ public class ArrowPainter implements IPainter {
 		return res.isPresent()? res.get():0;
 	}
 	
-	protected void calculateGeometries() {
-		deferUpdate = false;
+	protected boolean calculateGeometries() {
 		iRect.clear();
 		oRect.clear();
 		IWaveformPainter painter = waveCanvas.wave2painterMap.get(tx.getStream());
+		if(painter == null)
+			painter = waveCanvas.wave2painterMap.get(tx.getGenerator());
 		if (painter == null) { // stream has been added but painter not yet
 								// created
-			deferUpdate = true;
-			return;
+			return true;
 		}
 		int laneHeight = painter.getHeight() / tx.getStream().getRowCount();
 		txRectangle = new Rectangle((int) (tx.getBeginTime() / scaleFactor),
@@ -106,6 +104,7 @@ public class ArrowPainter implements IPainter {
 				(int) ((tx.getEndTime() - tx.getBeginTime()) / scaleFactor), laneHeight);
 		deriveGeom(tx.getIncomingRelations(), iRect, false);
 		deriveGeom(tx.getOutgoingRelations(), oRect, true);
+		return false;
 	}
 
 	protected void deriveGeom(Collection<ITxRelation> relations, List<LinkEntry> res, boolean useTarget) {
@@ -160,11 +159,9 @@ public class ArrowPainter implements IPainter {
 		Color highliteColor = waveCanvas.styleProvider.getColor(WaveformColors.REL_ARROW_HIGHLITE);
 
 		if(tx==null) return;
-		if (!deferUpdate) {
-			scaleFactor = waveCanvas.getScaleFactor();
-			calculateGeometries();
-		}
-		if(deferUpdate) return;
+		scaleFactor = waveCanvas.getScaleFactor();
+		if(calculateGeometries())
+			return;
 		int correctionValue = (int)(selectionOffset);
 		Rectangle correctedTargetRectangle = new Rectangle(txRectangle.x+correctionValue, txRectangle.y, txRectangle.width, txRectangle.height);
 		for (LinkEntry entry : iRect) {

plugins/com.minres.scviewer.database.ui.swt/src/com/minres/scviewer/database/ui/swt/internal/RulerPainter.java

@@ -19,7 +19,7 @@ import org.eclipse.swt.graphics.Rectangle;
 import org.eclipse.wb.swt.SWTResourceManager;
 
 public class RulerPainter implements IPainter {
-    protected WaveformCanvas waveCanvas;
+    protected final WaveformCanvas waveCanvas;
     
     static final int RULER_TICK_MINOR = 10;
     static final int RULER_TICK_MAJOR = 100;

plugins/com.minres.scviewer.database.ui.swt/src/com/minres/scviewer/database/ui/swt/internal/StreamPainter.java

@@ -46,8 +46,16 @@ public class StreamPainter extends TrackPainter{
 	}
 
 	public void paintArea(Projection proj, Rectangle area) {
-		if(stream.getEvents().size()==0) return;
 		int trackHeight=trackEntry.height/stream.getRowCount();
+		if(stream.getEvents().size()==0) {
+			proj.setFillRule(SWT.FILL_EVEN_ODD);
+			proj.setLineStyle(SWT.LINE_SOLID);
+			proj.setLineWidth(1);
+			proj.setForeground(this.waveCanvas.styleProvider.getColor(WaveformColors.LINE));
+			for( int y1=area.y+trackHeight/2; y1<area.y+trackEntry.height; y1+=trackHeight)
+				proj.drawLine(area.x, y1, area.x+area.width, y1);
+			return;
+		}
 		txBase=trackHeight/5;
 		txHeight=trackHeight*3/5;
 		if(trackEntry.selected) {

plugins/com.minres.scviewer.database.ui.swt/src/com/minres/scviewer/database/ui/swt/internal/WaveformCanvas.java

@@ -179,10 +179,10 @@ public class WaveformCanvas extends Canvas {
 
     public void setZoomLevel(int level, long centerTime) {
     	//FIXME: keep center if zoom-out and cursor is not in view
-    	long oldScaleFactor=scaleFactor;
     	if(level<0) level = 0;
+		long xc=centerTime/this.scaleFactor; // cursor total x-offset
     	if(level<Constants.UNIT_MULTIPLIER.length*Constants.UNIT_STRING.length){
-    		this.scaleFactor = (long) Math.pow(10, level/2d);
+    		this.scaleFactor = (long) Math.pow(10, level>>1);
     		if(level%2==1) this.scaleFactor*=3;
     		ITx tx = arrowPainter.getTx();
     		arrowPainter.setTx(null);
@@ -192,7 +192,6 @@ public class WaveformCanvas extends Canvas {
     		 * xcn = tc/newScaleFactor
     		 * t0n = (xcn-xoffs)*scaleFactor
     		 */
-			long xc=centerTime/oldScaleFactor; // cursor total x-offset
 			long xoffs=xc+origin.x; // cursor offset relative to left border
 			long xcn=centerTime/scaleFactor; // new total x-offset
 			long originX=xcn-xoffs;

plugins/com.minres.scviewer.e4.application/src/com/minres/scviewer/e4/application/parts/FileBrowserDialog.java

@@ -337,7 +337,11 @@ public class FileBrowserDialog extends TrayDialog {
 			if(f instanceof File) {
 				if(matchers.isEmpty()) return true;
 				for (PathMatcher m : matchers) {
+					try {
 					if(m.matches(((File)f).toPath())) return true;
+					} catch (Exception e) {
+						return false;
+					}
 				}
 			}
 			return false;