# HG changeset patch # User Frank Benoit # Date 1215733364 -7200 # Node ID 7194dba256b89bf299fd4bed64287737cc441e3e # Parent cfb304d22f28d4465dea9dea0e9e881f96474328 Add Snippet130. Thanks TomD. diff -r cfb304d22f28 -r 7194dba256b8 snippets/busyindicator/Snippet130.d --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/snippets/busyindicator/Snippet130.d Fri Jul 11 01:42:44 2008 +0200 @@ -0,0 +1,111 @@ +/******************************************************************************* + * 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 + *******************************************************************************/ + +/* + * BusyIndicator example snippet: display busy cursor during long running task + * + * For a list of all SWT example snippets see + * http://www.eclipse.org/swt/snippets/ + */ +module busyindicator.Snippet130; + +import dwt.DWT; +import dwt.events.SelectionAdapter; +import dwt.events.SelectionEvent; +import dwt.layout.GridLayout; +import dwt.layout.GridData; +import dwt.widgets.Shell; +import dwt.widgets.Button; +import dwt.widgets.Display; +import dwt.widgets.Shell; +import dwt.widgets.Text; + + +import dwt.custom.BusyIndicator; + +import dwt.dwthelper.utils; +import dwt.dwthelper.Runnable; +import dwt.dwthelper.System; + +import tango.core.Thread; +import tango.util.Convert; +import tango.util.log.Trace; + +void main(String[] args){ + Snippet130.main(args); +} + +public class Snippet130 { + + public static void main(String[] args) { + Display display = new Display(); + Shell shell = new Shell(display); + shell.setLayout(new GridLayout()); + Text text = new Text(shell, DWT.MULTI | DWT.BORDER | DWT.V_SCROLL); + text.setLayoutData(new GridData(GridData.FILL_BOTH)); + int[1] nextId; + Button b = new Button(shell, DWT.PUSH); + b.setText("invoke long running job"); + + b.addSelectionListener(new class() SelectionAdapter { + public void widgetSelected(SelectionEvent e) { + Runnable longJob = new class() Runnable { + bool done = false; + int id; + private void runThread(){ + id = nextId[0]++; + display.syncExec( dgRunnable( &printStart, text, id )); + for (int i = 0; i < 6; i++) { + if (display.isDisposed()) return; + Trace.formatln("do task that takes a long time in a separate thread {} {}/6", id, i); + Thread.sleep(0.500); + } + if (display.isDisposed()) return; + display.syncExec( dgRunnable( &printEnd , text, id )); // display.syncExec + done = true; + display.wake(); + } + public void run() { + Thread thread = new Thread( &runThread ); + thread.start(); + + while (!done && !shell.isDisposed()) { + if (!display.readAndDispatch()) + display.sleep(); + } + } + }; // Runnable longJob = ... + BusyIndicator.showWhile(display, longJob); + } // widgetSelected(); + }); // addSelectionListener + + + shell.setSize(250, 150); + shell.open(); + while (!shell.isDisposed()) { + if (!display.readAndDispatch()) + display.sleep(); + } + display.dispose(); + } + private void printStart(Text text, int id ) { + if (text.isDisposed()) return; + Trace.formatln( "Start long running task {}", id ); + text.append("\nStart long running task "~to!(char[])(id)); + } + private void printEnd(Text text, int id ) { + if (text.isDisposed()) return; + Trace.formatln( "Completed long running task {}", id ); + text.append("\nCompleted long running task "~to!(char[])(id)); + } +} + + diff -r cfb304d22f28 -r 7194dba256b8 snippets/dsss.conf --- a/snippets/dsss.conf Sun Jul 06 23:36:31 2008 +0200 +++ b/snippets/dsss.conf Fri Jul 11 01:42:44 2008 +0200 @@ -16,6 +16,7 @@ +[busyindicator/Snippet130.d] [button/Snippet293.d] [canvas/Snippet21.d] [canvas/Snippet48.d]