How to use

setCapture

method

in

org.eclipse.swt.widgets.Composite

@Override
public void mouseUp(MouseEvent e) {
  host.setCapture(false);
  draggingSashes = false;
}

public void mouseUp(MouseEvent e) {
  host.setCapture(false);
  draggingSashes = false;
}

public void mouseDown(MouseEvent e) {
  if (e.button != 1)
    return;
  sashesToDrag = getSashRects(e.x, e.y);
  if (sashesToDrag.size() > 0) {
    draggingSashes = true;
    host.setCapture(true);
  }
}

  @Override
  public void mouseDown(MouseEvent e) {
    if (e.button != 1) {
      return;
    }
    sashesToDrag = getSashRects(e.x, e.y);
    if (sashesToDrag.size() > 0) {
      draggingSashes = true;
      host.setCapture(true);
    }
  }
});

@Override
public void mouseUp(MouseEvent e) {
  composite.setCapture(false);
  // Persist the current size
  Point size = composite.getSize();
  toolControl.getPersistedState()
      .put(TrimStack.STATE_XSIZE, Integer.toString(size.x));
  toolControl.getPersistedState()
      .put(TrimStack.STATE_YSIZE, Integer.toString(size.y));
  trackState = NOT_SIZING;
}

public void mouseUp(MouseEvent e) {
  composite.setCapture(false);
  // Persist the current size
  Point size = composite.getSize();
  toolControl.getPersistedState()
      .put(TrimStack.STATE_XSIZE, Integer.toString(size.x));
  toolControl.getPersistedState()
      .put(TrimStack.STATE_YSIZE, Integer.toString(size.y));
  trackState = NOT_SIZING;
}

public void mouseDown(MouseEvent e) {
  Point p = new Point(e.x, e.y);
  if (hSizingRect.contains(p)) {
    curPos = e.display.getCursorLocation();
    trackState = HORIZONTAL_SIZING;
    composite.setCapture(true);
  } else if (vSizingRect.contains(p)) {
    curPos = e.display.getCursorLocation();
    trackState = VERTICAL_SIZING;
    composite.setCapture(true);
  } else if (cornerRect.contains(p)) {
    curPos = e.display.getCursorLocation();
    trackState = CORNER_SIZING;
    composite.setCapture(true);
  }
}

  @Override
  public void mouseDown(MouseEvent e) {
    Point p = new Point(e.x, e.y);
    if (hSizingRect.contains(p)) {
      curPos = e.display.getCursorLocation();
      trackState = HORIZONTAL_SIZING;
      composite.setCapture(true);
    } else if (vSizingRect.contains(p)) {
      curPos = e.display.getCursorLocation();
      trackState = VERTICAL_SIZING;
      composite.setCapture(true);
    } else if (cornerRect.contains(p)) {
      curPos = e.display.getCursorLocation();
      trackState = CORNER_SIZING;
      composite.setCapture(true);
    }
  }
});