Mercurial > projects > dwt2
annotate org.eclipse.swt.snippets/src/org/eclipse/swt/snippets/Snippet130.d @ 44:ed96ea2a2764
First swt win snippets are buiding with d2+phobos
| author | Frank Benoit <benoit@tionex.de> |
|---|---|
| date | Wed, 25 Mar 2009 18:31:01 +0100 |
| parents | 4e5843b771cc |
| children | 536e43f63c81 |
| rev | line source |
|---|---|
| 28 | 1 /******************************************************************************* |
| 2 * Copyright (c) 2000, 2004 IBM Corporation and others. | |
| 3 * All rights reserved. This program and the accompanying materials | |
| 4 * are made available under the terms of the Eclipse Public License v1.0 | |
| 5 * which accompanies this distribution, and is available at | |
| 6 * http://www.eclipse.org/legal/epl-v10.html | |
| 7 * | |
| 8 * Contributors: | |
| 9 * IBM Corporation - initial API and implementation | |
| 10 * D Port: | |
| 11 * Thomas Demmer <t_demmer AT web DOT de> | |
| 12 *******************************************************************************/ | |
| 13 module org.eclipse.swt.snippets.Snippet130; | |
| 14 /* | |
| 15 * BusyIndicator example snippet: display busy cursor during long running task | |
| 16 * | |
| 17 * For a list of all SWT example snippets see | |
| 18 * http://www.eclipse.org/swt/snippets/ | |
| 19 */ | |
| 20 import org.eclipse.swt.SWT; | |
| 21 import org.eclipse.swt.events.SelectionAdapter; | |
| 22 import org.eclipse.swt.events.SelectionEvent; | |
| 23 import org.eclipse.swt.layout.GridLayout; | |
| 24 import org.eclipse.swt.layout.GridData; | |
| 25 import org.eclipse.swt.widgets.Shell; | |
| 26 import org.eclipse.swt.widgets.Button; | |
| 27 import org.eclipse.swt.widgets.Display; | |
| 28 import org.eclipse.swt.widgets.Shell; | |
| 29 import org.eclipse.swt.widgets.Text; | |
| 30 | |
| 31 | |
| 32 import org.eclipse.swt.custom.BusyIndicator; | |
| 33 | |
| 34 import java.lang.all; | |
|
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First swt win snippets are buiding with d2+phobos
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35 import java.lang.Thread; |
| 28 | 36 |
| 37 void main(String[] args){ | |
| 38 Snippet130.main(args); | |
| 39 } | |
| 40 | |
| 41 public class Snippet130 { | |
| 42 | |
| 43 public static void main(String[] args) { | |
| 44 Display display = new Display(); | |
| 45 Shell shell = new Shell(display); | |
| 46 shell.setLayout(new GridLayout()); | |
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First snippets buildable on windows
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47 Text text = new Text(shell, SWT.MULTI | SWT.BORDER | SWT.V_SCROLL); |
| 28 | 48 text.setLayoutData(new GridData(GridData.FILL_BOTH)); |
| 49 int[] nextId = new int[1]; | |
| 50 Button b = new Button(shell, SWT.PUSH); | |
| 51 b.setText("invoke long running job"); | |
| 52 | |
| 53 b.addSelectionListener(new class() SelectionAdapter { | |
| 54 public void widgetSelected(SelectionEvent e) { | |
| 55 Runnable longJob = new class() Runnable { | |
| 56 bool done = false; | |
| 57 int id; | |
| 58 public void run() { | |
| 59 Thread thread = new Thread({ | |
| 60 id = nextId[0]++; | |
| 61 display.syncExec(new class() Runnable { | |
| 62 public void run() { | |
| 63 if (text.isDisposed()) return; | |
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First swt win snippets are buiding with d2+phobos
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parents:
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64 text.append(Format("\nStart long running task {}", id)); |
| 28 | 65 } |
| 66 }); // display.syncExec | |
| 67 /* | |
| 68 * This crashes when more than 1 thread gets created. THD | |
| 69 for (int i = 0; i < 100000; i++) { | |
| 70 if (display.isDisposed()) return; | |
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First swt win snippets are buiding with d2+phobos
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parents:
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diff
changeset
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71 getDwtLogger().info(__FILE__, __LINE__, "do task that takes a long time in a separate thread {}", id); |
| 28 | 72 } |
| 73 */ | |
| 74 // This runs fine | |
| 75 for (int i = 0; i < 6; i++) { | |
| 76 if (display.isDisposed()) return; | |
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First swt win snippets are buiding with d2+phobos
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parents:
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changeset
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77 getDwtLogger().info( __FILE__, __LINE__, "do task that takes a long time in a separate thread {} {}/6", id, i); |
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First swt win snippets are buiding with d2+phobos
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parents:
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78 Thread.sleep(500); |
| 28 | 79 } |
| 80 | |
| 81 if (display.isDisposed()) return; | |
| 82 display.syncExec(new class() Runnable { | |
| 83 public void run() { | |
| 84 if (text.isDisposed()) return; | |
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First swt win snippets are buiding with d2+phobos
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diff
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85 text.append(Format("\nCompleted long running task {}", id)); |
| 28 | 86 } |
| 87 }); // display.syncExec | |
| 88 done = true; | |
| 89 display.wake(); | |
| 90 }); // thread = ... | |
| 91 thread.start(); | |
| 92 | |
| 93 while (!done && !shell.isDisposed()) { | |
| 94 if (!display.readAndDispatch()) | |
| 95 display.sleep(); | |
| 96 } | |
| 97 } | |
| 98 }; // Runnable longJob = ... | |
| 99 BusyIndicator.showWhile(display, longJob); | |
| 100 } // widgetSelected(); | |
| 101 }); // addSelectionListener | |
| 102 | |
| 103 | |
| 104 shell.setSize(250, 150); | |
| 105 shell.open(); | |
| 106 while (!shell.isDisposed()) { | |
| 107 if (!display.readAndDispatch()) | |
| 108 display.sleep(); | |
| 109 } | |
| 110 display.dispose(); | |
| 111 } | |
| 112 private void printStart(Text text, int id ) { | |
| 113 if (text.isDisposed()) return; | |
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First swt win snippets are buiding with d2+phobos
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parents:
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diff
changeset
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114 getDwtLogger().info( __FILE__, __LINE__, "Start long running task {}", id ); |
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First swt win snippets are buiding with d2+phobos
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parents:
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115 text.append(Format("\nStart long running task {}", id)); |
| 28 | 116 } |
| 117 private void printEnd(Text text, int id ) { | |
| 118 if (text.isDisposed()) return; | |
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ed96ea2a2764
First swt win snippets are buiding with d2+phobos
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parents:
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diff
changeset
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119 getDwtLogger().info( __FILE__, __LINE__, "Completed long running task {}", id ); |
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ed96ea2a2764
First swt win snippets are buiding with d2+phobos
Frank Benoit <benoit@tionex.de>
parents:
29
diff
changeset
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120 text.append(Format("\nCompleted long running task {}", id)); |
| 28 | 121 } |
| 122 } |