GridLayout: insert widgets into a grid layout : GridLayout « SWT « Java Tutorial

GridLayout: insert widgets into a grid layout
 * Copyright (c) 2000, 2004 IBM Corporation and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * Contributors:
 *     IBM Corporation - initial API and implementation
//package org.eclipse.swt.snippets;
 * GridLayout example snippet: insert widgets into a grid layout
 * For a list of all SWT example snippets see
 * @since 3.1
import org.eclipse.swt.SWT;
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.widgets.Button;
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.Listener;
import org.eclipse.swt.widgets.Shell;

public class GridLayoutInsertWidgets {

  public static void main(String[] args) {
    Display display = new Display();
    final Shell shell = new Shell(display);
    shell.setLayout(new GridLayout());
    final Composite c = new Composite(shell, SWT.NONE);
    GridLayout layout = new GridLayout();
    layout.numColumns = 3;
    for (int i = 0; i < 10; i++) {
      Button b = new Button(c, SWT.PUSH);
      b.setText("Button " + i);

    Button b = new Button(shell, SWT.PUSH);
    b.setText("add a new button at row 2 column 1");
    final int[] index = new int[1];
    b.addListener(SWT.Selection, new Listener() {
      public void handleEvent(Event e) {
        Button s = new Button(c, SWT.PUSH);
        s.setText("Special " + index[0]);
        Control[] children = c.getChildren();
        shell.layout(new Control[] { s });
    while (!shell.isDisposed()) {
      if (!display.readAndDispatch())


17.96.1.Using GridLayout
17.96.2.Use GridLayout to layout a dialogUse GridLayout to layout a dialog
17.96.3.Using GridLayout with all default valuesUsing GridLayout with all default values
17.96.4.GridLayout: horizontalSpacing, verticalSpacingGridLayout: horizontalSpacing, verticalSpacing
17.96.5.GridLayout: marginHeight, marginWidthGridLayout: marginHeight, marginWidth
17.96.6.GridLayout: numColumnsGridLayout: numColumns
17.96.7.GridLayout: makeColumnsEqualWidthGridLayout: makeColumnsEqualWidth
17.96.8.Using GridData ObjectsUsing GridData Objects
17.96.9.The verticalAlignment specifies the vertical positioning.The verticalAlignment specifies the vertical positioning.
17.96.10.Horizontal IndentationHorizontal Indentation
17.96.11.Horizontal Span and Vertical SpanHorizontal Span and Vertical Span
17.96.12.Grabbing Excess Space: grabExcessHorizontalSpace and grabExcessVerticalSpaceGrabbing Excess Space: grabExcessHorizontalSpace and grabExcessVerticalSpace
17.96.13.Enable more than one control to grab excess vertical spaceEnable more than one control to grab excess vertical space
17.96.14.Make more than one control to grab excess space in the same directionMake more than one control to grab excess space in the same direction
17.96.15.Size Hints: widthHint and heightHintSize Hints: widthHint and heightHint
17.96.16.A Sample GUI Using GridLayoutsA Sample GUI Using GridLayouts
17.96.17.GridLayout Column 2GridLayout Column 2
17.96.18.GridLayout 2x2GridLayout 2x2
17.96.19.GridLayout ComplexGridLayout Complex
17.96.20.GridLayout Fill BothGridLayout Fill Both
17.96.21.GridLayout: HORIZONTAL ALIGN Begin FillGridLayout: HORIZONTAL ALIGN Begin Fill
17.96.22.GridLayout: insert widgets into a grid layoutGridLayout: insert widgets into a grid layout
17.96.23.GridLayout snippet: align widgets in a GridLayoutGridLayout snippet: align widgets in a GridLayout
17.96.24.Exclude a widget from a GridLayoutExclude a widget from a GridLayout