How to use

requestLayout

method

in

org.eclipse.swt.widgets.Composite

private void prepareForHTML() {
  fContentStack.topControl = fBrowserComposite;
  loadTimeOutScript();
  fBrowserComposite.requestLayout();
}

public CoatMux(Composite parent, int style) {
  super(new Composite(parent, style));
  wrapped.setLayout(stack);
  // when the current layer changes, set the topControl appropriately
  Rx.subscribe(currentLayer, opt -> {
    stack.topControl = opt.map(layer -> layer.control).orElse(null);
    wrapped.layout();
    wrapped.requestLayout();
  });
}

private void loadContentSWT(Tip tip) {
  for (Control control : fSWTComposite.getChildren()) {
    control.dispose();
  }
  fContentStack.topControl = fSWTComposite;
  ((ISwtTip) tip).createControl(fSWTComposite);
  fSWTComposite.requestLayout();
}

/**
 * Update for the progress being displayed.
 */
private void updateForShowingProgress() {
  if (control.getChildren().length > 0) {
    updateSize();
    scrolled.setContent(control);
  } else {
    scrolled.setMinSize(null);
    scrolled.setContent(noEntryArea);
  }
  control.requestLayout();
}

private void enableActionButtons(Tip tip) {
  disposeActionImages();
  if (tip.getActions().isEmpty()) {
    fActionStack.topControl = fEmptyActionComposite;
  } else if (tip.getActions().size() == 1) {
    TipAction action = tip.getActions().get(0);
    fActionStack.topControl = fSingleActionComposite;
    fSingleActionButton.setImage(getActionImage(action.getTipImage()));
    fSingleActionButton.setText(action.getText());
    fSingleActionButton.setToolTipText(action.getTooltip());
  } else {
    TipAction action = tip.getActions().get(0);
    fActionStack.topControl = fMultiActionComposite;
    fMultiActionButton.setImage(getActionImage(tip.getActions().get(0).getTipImage()));
    fMultiActionButton.setText(action.getText());
    fMultiActionButton.setToolTipText(action.getTooltip());
    loadActionMenu(tip);
  }
  fEmptyActionComposite.getParent().requestLayout();
  fNavigationBar.requestLayout();
}

private void loadContent(Tip tip) {
  disposeBrowserFunctions();
  if (tip instanceof ISwtTip) {
    loadContentSWT(tip);
  } else if (tip instanceof IHtmlTip) {
    loadContentHtml((IHtmlTip) tip);
    applyBrowserFunctions(tip);
  } else if (tip instanceof IUrlTip) {
    loadContentUrl((IUrlTip) tip);
    applyBrowserFunctions(tip);
  } else {
    fTipManager.log(LogUtil.error(getClass(), Messages.TipComposite_12 + tip));
  }
  fContentComposite.requestLayout();
}

private void initButton(Image im, final String tt) {
  toolButton.setImage(im);
  toolButton.setToolTipText(tt);
  toolbar.setVisible(true);
  toolbar.getParent().requestLayout(); // must layout
  if (currentAccessibleListener != null)
    toolbar.getAccessible().removeAccessibleListener(currentAccessibleListener);
  currentAccessibleListener = new AccessibleAdapter() {
    @Override
    public void getName(AccessibleEvent e) {
      e.result = tt;
    }
  };
  toolbar.getAccessible().addAccessibleListener(currentAccessibleListener);
}

  void reflow() {
    Composite c = this;
    while (c != null) {
      c.setRedraw(false);
      c = c.getParent();
      if (c instanceof SharedScrolledComposite || c instanceof Shell) {
        break;
      }
    }
    c = this;
    while (c != null) {
      c.requestLayout();
      c = c.getParent();
      if (c instanceof SharedScrolledComposite) {
        ((SharedScrolledComposite) c).reflow(true);
        break;
      }
    }
    c = this;
    while (c != null) {
      c.setRedraw(true);
      c = c.getParent();
      if (c instanceof SharedScrolledComposite || c instanceof Shell) {
        break;
      }
    }
  }
}

layoutBar.getParent().requestLayout();

statusLine.requestLayout();
statusLine.setRedraw(true);

ctiComp.requestLayout();

parent.requestLayout();
fComposite.addDisposeListener(e -> {

private void ensureComposite(MArea areaModel) {
  if (areaModel.getWidget() instanceof CTabFolder) {
    CTabFolder ctf = (CTabFolder) areaModel.getWidget();
    CTabItem cti = ctf.getItem(0);
    Composite innerComp = (Composite) cti.getControl();
    innerComp.setParent(ctf.getParent());
    cti.setControl(null);
    // OK now copy over the min/max state of the area stack to the
    // remaining part stack
    List<MPartStack> stacks = modelService.findElements(areaModel, null, MPartStack.class);
    for (MPartStack stack : stacks) {
      if (stack.isToBeRendered()
          && stack.getWidget() instanceof CTabFolder) {
        CTabFolder stackCTF = (CTabFolder) stack.getWidget();
        stackCTF.setMinimizeVisible(ctf.getMinimizeVisible());
        stackCTF.setMaximizeVisible(ctf.getMaximizeVisible());
        stackCTF.setMinimized(ctf.getMinimized());
        stackCTF.setMaximized(ctf.getMaximized());
      }
    }
    ctf.setData(AbstractPartRenderer.OWNING_ME, null);
    ctf.dispose();
    bindWidget(areaModel, innerComp);
    innerComp.setVisible(true);
    innerComp.requestLayout();
  }
}

curParent.requestLayout();