| /******************************************************************************* |
| * Copyright (c) 2000, 2016 IBM Corporation and others. |
| * |
| * This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License 2.0 |
| * which accompanies this distribution, and is available at |
| * https://www.eclipse.org/legal/epl-2.0/ |
| * |
| * SPDX-License-Identifier: EPL-2.0 |
| * |
| * Contributors: |
| * IBM Corporation - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.swt.snippets; |
| |
| /* |
| * Taskbar snippet: customize the taskbar item with progress indicator, overlay image, and overlay text |
| * |
| * For a list of all SWT example snippets see |
| * http://www.eclipse.org/swt/snippets/ |
| */ |
| import org.eclipse.swt.*; |
| import org.eclipse.swt.graphics.*; |
| import org.eclipse.swt.layout.*; |
| import org.eclipse.swt.widgets.*; |
| |
| public class Snippet336 { |
| static Display display; |
| static Shell shell; |
| |
| static TaskItem getTaskBarItem () { |
| TaskBar bar = display.getSystemTaskBar(); |
| if (bar == null) return null; |
| TaskItem item = bar.getItem(shell); |
| if (item == null) item = bar.getItem(null); |
| return item; |
| } |
| |
| public static void main(String[] args) { |
| display = new Display(); |
| shell = new Shell(display); |
| shell.setText("Snippet 336"); |
| shell.setLayout(new GridLayout()); |
| TabFolder folder = new TabFolder(shell, SWT.NONE); |
| folder.setLayoutData(new GridData(GridData.FILL_BOTH)); |
| |
| //Progress tab |
| TabItem item = new TabItem(folder, SWT.NONE); |
| item.setText("Progress"); |
| Composite composite = new Composite(folder, SWT.NONE); |
| composite.setLayout(new GridLayout()); |
| item.setControl(composite); |
| Listener listener = event -> { |
| Button button = (Button)event.widget; |
| if (!button.getSelection()) return; |
| TaskItem item1 = getTaskBarItem(); |
| if (item1 != null) { |
| int state = ((Integer)button.getData()).intValue(); |
| item1.setProgressState(state); |
| } |
| }; |
| Group group = new Group (composite, SWT.NONE); |
| group.setText("State"); |
| group.setLayout(new GridLayout()); |
| group.setLayoutData(new GridData(GridData.FILL_HORIZONTAL)); |
| Button button; |
| String[] stateLabels = {"SWT.DEFAULT", "SWT.INDETERMINATE", "SWT.NORMAL", "SWT.ERROR", "SWT.PAUSED"}; |
| int[] states = {SWT.DEFAULT, SWT.INDETERMINATE, SWT.NORMAL, SWT.ERROR, SWT.PAUSED }; |
| for (int i = 0; i < states.length; i++) { |
| button = new Button(group, SWT.RADIO); |
| button.setText(stateLabels[i]); |
| button.setData(Integer.valueOf(states[i])); |
| button.addListener(SWT.Selection, listener); |
| if (i==0) button.setSelection(true); |
| } |
| group = new Group (composite, SWT.NONE); |
| group.setText("Value"); |
| group.setLayout(new GridLayout(2, false)); |
| group.setLayoutData(new GridData(GridData.FILL_HORIZONTAL)); |
| Label label = new Label(group, SWT.NONE); |
| label.setText("Progress"); |
| final Scale scale = new Scale (group, SWT.NONE); |
| scale.setLayoutData(new GridData(GridData.FILL_HORIZONTAL)); |
| scale.addListener(SWT.Selection, event -> { |
| TaskItem item1 = getTaskBarItem(); |
| if (item1 != null) item1.setProgress(scale.getSelection()); |
| }); |
| |
| //Overlay text tab |
| item = new TabItem(folder, SWT.NONE); |
| item.setText("Text"); |
| composite = new Composite(folder, SWT.NONE); |
| composite.setLayout(new GridLayout()); |
| item.setControl(composite); |
| group = new Group (composite, SWT.NONE); |
| group.setText("Enter a short text:"); |
| group.setLayout(new GridLayout(2, false)); |
| group.setLayoutData(new GridData(GridData.FILL_HORIZONTAL)); |
| final Text text = new Text(group, SWT.BORDER | SWT.SINGLE); |
| GridData data = new GridData(GridData.FILL_HORIZONTAL); |
| data.horizontalSpan = 2; |
| text.setLayoutData(data); |
| button = new Button(group, SWT.PUSH); |
| button.setText("Set"); |
| button.addListener(SWT.Selection, event -> { |
| TaskItem item1 = getTaskBarItem(); |
| if (item1 != null) item1.setOverlayText(text.getText()); |
| }); |
| button = new Button(group, SWT.PUSH); |
| button.setText("Clear"); |
| button.addListener(SWT.Selection, event -> { |
| text.setText(""); |
| TaskItem item1 = getTaskBarItem(); |
| if (item1 != null) item1.setOverlayText(""); |
| }); |
| |
| //Overlay image tab |
| item = new TabItem(folder, SWT.NONE); |
| item.setText("Image"); |
| composite = new Composite(folder, SWT.NONE); |
| composite.setLayout(new GridLayout()); |
| item.setControl(composite); |
| Listener listener3 = event -> { |
| Button button1 = (Button)event.widget; |
| if (!button1.getSelection()) return; |
| TaskItem item1 = getTaskBarItem(); |
| if (item1 != null) { |
| String text1 = button1.getText(); |
| Image image = null; |
| if (!text1.equals("NONE")) image = new Image (display, Snippet336.class.getResourceAsStream(text1)); |
| Image oldImage = item1.getOverlayImage(); |
| item1.setOverlayImage (image); |
| if (oldImage != null) oldImage.dispose(); |
| } |
| }; |
| group = new Group (composite, SWT.NONE); |
| group.setText("Images"); |
| group.setLayout(new GridLayout()); |
| group.setLayoutData(new GridData(GridData.FILL_HORIZONTAL)); |
| button = new Button(group, SWT.RADIO); |
| button.setText("NONE"); |
| button.addListener(SWT.Selection, listener3); |
| button.setSelection(true); |
| String[] images = {"eclipse.png", "pause.gif", "run.gif", "warning.gif"}; |
| for (int i = 0; i < images.length; i++) { |
| button = new Button(group, SWT.RADIO); |
| button.setText(images[i]); |
| button.addListener(SWT.Selection, listener3); |
| } |
| shell.pack(); |
| shell.open(); |
| while (!shell.isDisposed()) { |
| if (!display.readAndDispatch()) display.sleep(); |
| } |
| display.dispose(); |
| } |
| |
| } |