Java Tutorial/SWT/ToolBar

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Add a combo box in a tool bar

/*******************************************************************************
 * 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
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     IBM Corporation - initial API and implementation
 *******************************************************************************/
import org.eclipse.swt.SWT;
import org.eclipse.swt.widgets.rubo;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.swt.widgets.ToolBar;
import org.eclipse.swt.widgets.ToolItem;
public class ToolBarCombo {
  public static void main(String[] args) {
    Display display = new Display();
    Shell shell = new Shell(display);
    ToolBar bar = new ToolBar(shell, SWT.BORDER);
    for (int i = 0; i < 4; i++) {
      ToolItem item = new ToolItem(bar, 0);
      item.setText("Item " + i);
    }
    ToolItem sep = new ToolItem(bar, SWT.SEPARATOR);
    int start = bar.getItemCount();
    for (int i = start; i < start + 4; i++) {
      ToolItem item = new ToolItem(bar, 0);
      item.setText("Item " + i);
    }
    Combo combo = new Combo(bar, SWT.READ_ONLY);
    for (int i = 0; i < 4; i++) {
      combo.add("Item " + i);
    }
    combo.pack();
    sep.setWidth(combo.getSize().x);
    sep.setControl(combo);
    bar.pack();
    shell.pack();
    shell.open();
    while (!shell.isDisposed()) {
      if (!display.readAndDispatch())
        display.sleep();
    }
    display.dispose();
  }
}





Add Buttons to ToolBar

import org.eclipse.swt.SWT;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Event;
import org.eclipse.swt.widgets.Listener;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.swt.widgets.ToolBar;
import org.eclipse.swt.widgets.ToolItem;
public class ToolBarButtonsAdding {
  public static void main(String[] args) {
    Display display = new Display();
    final Shell shell = new Shell(display);
    GridLayout gridLayout = new GridLayout();
    gridLayout.numColumns = 3;
    shell.setLayout(gridLayout);
    ToolBar toolbar = new ToolBar(shell, SWT.NONE);
    ToolItem itemBack = new ToolItem(toolbar, SWT.PUSH);
    itemBack.setText("Back");
    ToolItem itemForward = new ToolItem(toolbar, SWT.PUSH);
    itemForward.setText("Forward");
    ToolItem itemStop = new ToolItem(toolbar, SWT.PUSH);
    itemStop.setText("Stop");
    ToolItem itemRefresh = new ToolItem(toolbar, SWT.PUSH);
    itemRefresh.setText("Refresh");
    ToolItem itemGo = new ToolItem(toolbar, SWT.PUSH);
    itemGo.setText("Go");
    GridData data = new GridData();
    data.horizontalSpan = 3;
    toolbar.setLayoutData(data);
    Listener listener = new Listener() {
      public void handleEvent(Event event) {
        ToolItem item = (ToolItem) event.widget;
        String string = item.getText();
        if (string.equals("Back"))
          System.out.println("Back");
        else if (string.equals("Forward"))
          System.out.println("Forward");
        else if (string.equals("Stop"))
          System.out.println("Stop");
        else if (string.equals("Refresh"))
          System.out.println("Refresh");
        else if (string.equals("Go"))
          System.out.println("Go");
      }
    };
    itemBack.addListener(SWT.Selection, listener);
    itemForward.addListener(SWT.Selection, listener);
    itemStop.addListener(SWT.Selection, listener);
    itemRefresh.addListener(SWT.Selection, listener);
    itemGo.addListener(SWT.Selection, listener);
    shell.open();
    while (!shell.isDisposed()) {
      if (!display.readAndDispatch())
        display.sleep();
    }
    display.dispose();
  }
}





A toolbar can be horizontal or vertical.

ToolBar toolBar = new ToolBar(shell, SWT.HORIZONTAL);
ToolBar toolBar = new ToolBar(shell, SWT.VERTICAL);





Place a drop down menu in a tool bar

/*******************************************************************************
 * 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
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     IBM Corporation - initial API and implementation
 *******************************************************************************/
//package org.eclipse.swt.snippets;
/*
 * ToolBar example snippet: place a drop down menu in a tool bar
 *
 * For a list of all SWT example snippets see
 * http://www.eclipse.org/swt/snippets/
 */
import org.eclipse.swt.SWT;
import org.eclipse.swt.graphics.Point;
import org.eclipse.swt.graphics.Rectangle;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Event;
import org.eclipse.swt.widgets.Listener;
import org.eclipse.swt.widgets.Menu;
import org.eclipse.swt.widgets.MenuItem;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.swt.widgets.ToolBar;
import org.eclipse.swt.widgets.ToolItem;
public class ToolBarDropDown {
  public static void main(String[] args) {
    final Display display = new Display();
    final Shell shell = new Shell(display);
    final ToolBar toolBar = new ToolBar(shell, SWT.NONE);
    final Menu menu = new Menu(shell, SWT.POP_UP);
    for (int i = 0; i < 8; i++) {
      MenuItem item = new MenuItem(menu, SWT.PUSH);
      item.setText("Item " + i);
    }
    final ToolItem item = new ToolItem(toolBar, SWT.DROP_DOWN);
    item.addListener(SWT.Selection, new Listener() {
      public void handleEvent(Event event) {
        if (event.detail == SWT.ARROW) {
          Rectangle rect = item.getBounds();
          Point pt = new Point(rect.x, rect.y + rect.height);
          pt = toolBar.toDisplay(pt);
          menu.setLocation(pt.x, pt.y);
          menu.setVisible(true);
        }
      }
    });
    toolBar.pack();
    shell.pack();
    shell.open();
    while (!shell.isDisposed()) {
      if (!display.readAndDispatch())
        display.sleep();
    }
    menu.dispose();
    display.dispose();
  }
}





ToolBar Constants

ConstantDescriptionSWT.FLATMakes the toolbar items flat; only the button under the mouse pointer appears raised.SWT.WRAPWraps the toolbar buttons; this style has no effect on Windows.SWT.RIGHTRight aligns the toolbar.SWT.HORIZONTALDraws a horizontal toolbar.SWT.VERTICALDraws a vertical toolbar.SWT.SHADOW_OUTDraw a shadow around the toolbar.


ToolBar: create tool bar with normal, hot and disabled images.

/*******************************************************************************
 * 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
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     IBM Corporation - initial API and implementation
 *******************************************************************************/
import org.eclipse.swt.SWT;
import org.eclipse.swt.graphics.Color;
import org.eclipse.swt.graphics.GC;
import org.eclipse.swt.graphics.Image;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.swt.widgets.ToolBar;
import org.eclipse.swt.widgets.ToolItem;
public class ToolBarNormalHotDisabledImage {
  public static void main(String[] args) {
    Display display = new Display();
    Shell shell = new Shell(display);
    Image image = new Image(display, 20, 20);
    Color color = display.getSystemColor(SWT.COLOR_BLUE);
    GC gc = new GC(image);
    gc.setBackground(color);
    gc.fillRectangle(image.getBounds());
    gc.dispose();
    Image disabledImage = new Image(display, 20, 20);
    color = display.getSystemColor(SWT.COLOR_GREEN);
    gc = new GC(disabledImage);
    gc.setBackground(color);
    gc.fillRectangle(disabledImage.getBounds());
    gc.dispose();
    Image hotImage = new Image(display, 20, 20);
    color = display.getSystemColor(SWT.COLOR_RED);
    gc = new GC(hotImage);
    gc.setBackground(color);
    gc.fillRectangle(hotImage.getBounds());
    gc.dispose();
    ToolBar bar = new ToolBar(shell, SWT.BORDER | SWT.FLAT);
    bar.setSize(200, 32);
    for (int i = 0; i < 12; i++) {
      ToolItem item = new ToolItem(bar, 0);
      item.setImage(image);
      item.setDisabledImage(disabledImage);
      item.setHotImage(hotImage);
      if (i % 3 == 0)
        item.setEnabled(false);
    }
    shell.open();
    while (!shell.isDisposed()) {
      if (!display.readAndDispatch())
        display.sleep();
    }
    image.dispose();
    disabledImage.dispose();
    hotImage.dispose();
    display.dispose();
  }
}





ToolBar: wrap on resize

/*******************************************************************************
 * 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
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     IBM Corporation - initial API and implementation
 *******************************************************************************/

import org.eclipse.swt.SWT;
import org.eclipse.swt.graphics.Point;
import org.eclipse.swt.graphics.Rectangle;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Event;
import org.eclipse.swt.widgets.Listener;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.swt.widgets.ToolBar;
import org.eclipse.swt.widgets.ToolItem;
public class ToolBarWrapResize {
  public static void main(String[] args) {
    Display display = new Display();
    final Shell shell = new Shell(display);
    final ToolBar toolBar = new ToolBar(shell, SWT.WRAP);
    for (int i = 0; i < 12; i++) {
      ToolItem item = new ToolItem(toolBar, SWT.PUSH);
      item.setText("Item " + i);
    }
    shell.addListener(SWT.Resize, new Listener() {
      public void handleEvent(Event e) {
        Rectangle rect = shell.getClientArea();
        Point size = toolBar.ruputeSize(rect.width, SWT.DEFAULT);
        toolBar.setSize(size);
      }
    });
    toolBar.pack();
    shell.pack();
    shell.open();
    while (!shell.isDisposed()) {
      if (!display.readAndDispatch())
        display.sleep();
    }
    display.dispose();
  }
}


Источник — «http://jexp.ru/index.php?title=Java_Tutorial/SWT/ToolBar&oldid=3170»