Mercurial > projects > dwt-samples
annotate snippets/canvas/Snippet275.d @ 179:89de7ff0752c default tip
Add JFace snippet Snippet054NativeControlsInViewers, thanks to WasserDragoon
| author | Frank Benoit <benoit@tionex.de> |
|---|---|
| date | Wed, 29 Apr 2009 11:01:41 +0200 |
| parents | 1f0a7a472680 |
| children |
| rev | line source |
|---|---|
| 90 | 1 /******************************************************************************* |
| 2 * Copyright (c) 2000, 2007 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 * Bill Baxter <wbaxter> at gmail com | |
| 12 *******************************************************************************/ | |
|
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1f0a7a472680
fix rm snippets from module statements.
Frank Benoit <benoit@tionex.de>
parents:
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diff
changeset
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13 module canvas.Snippet275; |
| 90 | 14 |
| 15 /* | |
| 16 * Canvas snippet: update a portion of a Canvas frequently | |
| 17 * | |
| 18 * For a list of all SWT example snippets see | |
| 19 * http://www.eclipse.org/swt/snippets/ | |
| 20 */ | |
| 21 import dwt.DWT; | |
| 22 import dwt.graphics.GC; | |
| 23 import dwt.graphics.Color; | |
| 24 import dwt.graphics.Point; | |
| 25 import dwt.graphics.Image; | |
| 26 import dwt.widgets.Display; | |
| 27 import dwt.widgets.Shell; | |
| 28 import dwt.widgets.Event; | |
| 29 import dwt.widgets.Listener; | |
| 30 import dwt.widgets.Canvas; | |
| 31 | |
| 32 import dwt.dwthelper.System; | |
| 33 import dwt.dwthelper.utils; | |
| 34 import dwt.dwthelper.Runnable; | |
| 35 | |
| 36 import tango.util.Convert; | |
| 37 | |
| 38 static String value; | |
| 39 public static void main () { | |
| 40 final int INTERVAL = 888; | |
| 41 final Display display = new Display (); | |
| 42 final Image image = new Image (display, 750, 750); | |
| 43 GC gc = new GC (image); | |
| 44 gc.setBackground (display.getSystemColor (DWT.COLOR_RED)); | |
| 45 gc.fillRectangle (image.getBounds ()); | |
| 46 gc.dispose (); | |
| 47 | |
| 48 Shell shell = new Shell (display); | |
| 49 shell.setBounds (10, 10, 790, 790); | |
| 50 final Canvas canvas = new Canvas (shell, DWT.NONE); | |
| 51 canvas.setBounds (10, 10, 750, 750); | |
| 52 | |
| 53 void onPaint (Event event) { | |
| 54 value = to!(char[])(System.currentTimeMillis ()); | |
| 55 event.gc.drawImage (image, 0, 0); | |
| 56 event.gc.drawString (value, 10, 10, true); | |
| 57 } | |
| 58 canvas.addListener (DWT.Paint, dgListener(&onPaint)); | |
| 59 | |
| 60 display.timerExec (INTERVAL, new class Runnable { | |
| 61 void run () { | |
| 62 if (canvas.isDisposed ()) return; | |
| 63 // canvas.redraw (); // <-- bad, damages more than is needed | |
| 64 GC gc = new GC (canvas); | |
| 65 Point extent = gc.stringExtent (value ~ '0'); | |
| 66 gc.dispose (); | |
| 67 canvas.redraw (10, 10, extent.x, extent.y, false); | |
| 68 display.timerExec (INTERVAL, this); | |
| 69 } | |
| 70 }); | |
| 71 shell.open (); | |
| 72 while (!shell.isDisposed ()){ | |
| 73 if (!display.readAndDispatch ()) display.sleep (); | |
| 74 } | |
| 75 image.dispose (); | |
| 76 display.dispose (); | |
| 77 } |