update key bindings

README.md

@@ -22,10 +22,35 @@ To build the plugins the Eclipse SDK or PDE can be used. In both cases the Groov
 eclipse plugin (http://groovy.codehaus.org/Eclipse+Plugin or Market) has to be
 installed.
 
-TODO
+Key Shortcuts
-====
+=============
-- add more tests
+
-- move to feature based product to allow automatic updates
+Legend:
-- improve graphics
+
-- catch-up e3 plugin to functionality of e4 product
+* Left Mouse Button: LMB
-- add calculated traces
+* Middle Mouse Button: MMB
+* Mouse Scroll wheel: MScrl
+* Context any means Name List, Value List or Waveform
+
+| Input     | Modifier | Context  | Action                            |
+|-----------|----------|----------|-----------------------------------|
+| LMB klick |          | any      | select                            |
+| LMB klick | Shift    | Waveform | move selected marker to position  |
+| LMB klick | Control  | Waveform | move cursor to position           |
+| LMB drag  |          | Waveform | zoom to range                     |
+| MMB klick |          | Waveform | move selected marker to position  |
+| MScrl     |          | any      | scroll window up/down             |
+| MScrl     | Shift    | any      | scroll window left/right          |
+| Key left  |          | Waveform | scroll window to the left (slow)  |
+| Key right |          | Waveform | scroll window to the right (slow) |
+| Key left  | Shift    | Waveform | scroll window to the left (fast)  |
+| Key right | Shift    | Waveform | scroll window to the right (fast) |
+| Key up    |          | Waveform | move selection up                 |
+| Key down  |          | Waveform | move selection down               |
+| Key up    | Control  | Waveform | move selected track up            |
+| Key down  | Control  | Waveform | move selected track down          |
+| Key +     | Control  | Waveform | zoom in                           |
+| Key -     | Control  | Waveform | zoom out                          |
+| Key Pos1  |          | Waveform | jump to selected marker           |
+| Key End   |          | Waveform | jump to cursor                    |
+| Key Del   |          | any      | delete selected entries           |

plugins/com.minres.scviewer.database.ui.swt/src/com/minres/scviewer/database/ui/IWaveformView.java

@@ -27,9 +27,13 @@ import com.minres.scviewer.database.tx.ITx;
 
 public interface IWaveformView extends PropertyChangeListener, ISelectionProvider{
 
-	String CURSOR_PROPERTY = "cursor_time";
+	static final String CURSOR_PROPERTY = "cursor_time";
 	
-	String MARKER_PROPERTY = "marker_time";
+	static final String MARKER_PROPERTY = "marker_time";
+	
+	static final int CURSOR_POS = 0;
+	
+	static final int MARKER_POS = 1;
 
 	public static final RelationType NEXT_PREV_IN_STREAM = RelationTypeFactory.create("Prev/Next in stream"); 
 
@@ -113,6 +117,8 @@ public interface IWaveformView extends PropertyChangeListener, ISelectionProvide
 	
 	public void scrollHorizontal(int percent);
 	
+	public void scrollTo(int pos);
+	
 	public void addDisposeListener( DisposeListener listener );
 
 	public void deleteSelectedTracks();

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

@@ -496,6 +496,12 @@ public class WaveformCanvas extends Canvas {
         }
     }
 
+    public void centerAt(long time) {
+        int scaledTime = (int) (time / scaleFactor);
+        int newX = -scaledTime+getWidth()/2;
+        setOrigin(newX>0?0:newX, origin.y);
+    }
+
     public int getRulerHeight() {
         return rulerHeight;
     }

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

@@ -1509,6 +1509,22 @@ public class WaveformView implements IWaveformView {
 		waveformCanvas.redraw();
 	}
 
+	@Override
+	public void scrollTo(int pos) {
+		long time = 0;
+		switch(pos) {
+		case IWaveformView.CURSOR_POS:
+			time = getCursorTime();
+			break;
+		case IWaveformView.MARKER_POS:
+			time = getMarkerTime(selectedMarker);
+			break;
+		default:
+			break;
+		}
+		waveformCanvas.centerAt(time);
+	}
+
 	public void asyncUpdate(Widget widget) {
 		widget.getDisplay().asyncExec(() -> {
 			waveformCanvas.redraw();
@@ -1539,4 +1555,13 @@ public class WaveformView implements IWaveformView {
 		return e;
 	}
 
+
+
+
+
+
+
+
+
+
 }

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

@@ -357,9 +357,13 @@ public class WaveformViewer implements IFileChangeListener, IPreferenceChangeLis
 						waveformPane.moveSelection(GotoDirection.DOWN);
 						return;
 					case SWT.HOME:
+						waveformPane.scrollTo(IWaveformView.MARKER_POS);
 						return;
 					case SWT.END:
+						waveformPane.scrollTo(IWaveformView.CURSOR_POS);
 						return;
+					case SWT.DEL:
+						waveformPane.deleteSelectedTracks();
 					default:
 						break;
 					}