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Fixed cursor dragging

This commit is contained in:
ejentzsx 2015-07-20 11:55:14 +02:00
parent cd8c9195c1
commit 93f147555b
1 changed files with 29 additions and 2 deletions
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31
com.minres.scviewer.database.swt/src/com/minres/scviewer/database/swt/TxDisplay.java
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@ -31,9 +31,11 @@ import org.eclipse.swt.SWT;
import org.eclipse.swt.custom.CLabel;
import org.eclipse.swt.custom.SashForm;
import org.eclipse.swt.custom.ScrolledComposite;
import org.eclipse.swt.custom.StyledText;
import org.eclipse.swt.dnd.DND;
import org.eclipse.swt.dnd.DragSource;
import org.eclipse.swt.dnd.DragSourceAdapter;
import org.eclipse.swt.dnd.DragSourceEffect;
import org.eclipse.swt.dnd.DragSourceEvent;
import org.eclipse.swt.dnd.DropTarget;
import org.eclipse.swt.dnd.DropTargetAdapter;
@ -56,6 +58,7 @@ import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.widgets.Canvas;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Control;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Event;
import org.eclipse.swt.widgets.Label;
import org.eclipse.swt.widgets.Listener;
@ -515,8 +518,12 @@ public class TxDisplay implements PropertyChangeListener, ISelectionProvider, Mo
Entry<Integer, IWaveform<? extends IWaveformEvent>> entry = trackVerticalOffset.floorEntry(e.y);
if (entry != null)
setSelection(new StructuredSelection(entry.getValue()));
}
if (e.button == 3) {
} else if (e.button == 1&& e.widget == trackList) {
Object o = trackList.getClicked(new Point(e.x, e.y));
if (o != null && o instanceof CursorPainter)
setSelection(new StructuredSelection(o));
} else if (e.button == 3) {
top.getMenu().setVisible(true);
}
}
@ -697,9 +704,16 @@ public class TxDisplay implements PropertyChangeListener, ISelectionProvider, Mo
}
private void createTrackDragSource(final Canvas canvas) {
final Display display = canvas.getDisplay();
Transfer[] types = new Transfer[] { LocalSelectionTransfer.getTransfer() };
DragSource dragSource = new DragSource(canvas, DND.DROP_MOVE);
dragSource.setTransfer(types);
dragSource.setDragSourceEffect(new DragSourceEffect(canvas) {
@Override
public void dragStart(DragSourceEvent event) {
// event.image = display.getSystemImage(SWT.ICON_INFORMATION);
}
});
dragSource.addDragListener(new DragSourceAdapter() {
public void dragStart(DragSourceEvent event) {
// System.out.println("dragStart");
@ -751,6 +765,19 @@ public class TxDisplay implements PropertyChangeListener, ISelectionProvider, Mo
}
if(currentCursorSelection!=null) currentCursorSelection.setDragging(false);
}
public void dragOver(DropTargetEvent event){
ISelection sel = LocalSelectionTransfer.getTransfer().getSelection();
if(sel!=null && sel instanceof IStructuredSelection){
Object selObject = ((IStructuredSelection)sel).getFirstElement();
if(selObject instanceof CursorPainter){
DropTarget tgt = (DropTarget) event.widget;
Point dropPoint = ((Canvas) tgt.getControl()).toControl(event.x, event.y);
// painter.setTime(trackList.getTimeForOffset(dropPoint.x));
setCursorTime(trackList.getTimeForOffset(dropPoint.x));
((Canvas) tgt.getControl()).redraw();
}
}
}
});
}