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annotate snippets/cursor/Snippet242.d @ 119:9a1be6ff19a2

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More snippets, thanks to Tom D.
author Frank Benoit <benoit@tionex.de>
date Sun, 20 Jul 2008 15:26:06 +0200
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1 /*******************************************************************************
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2 * Copyright (c) 2000, 2006 IBM Corporation and others.
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3 * All rights reserved. This program and the accompanying materials
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4 * are made available under the terms of the Eclipse Public License v1.0
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5 * which accompanies this distribution, and is available at
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6 * http://www.eclipse.org/legal/epl-v10.html
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7 *
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8 * Contributors:
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9 * IBM Corporation - initial API and implementation
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10 * D Port:
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11 * Thomas Demmer <t_demmer AT web DOT de>
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12 *******************************************************************************/
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13 module cursor.Snippet242;
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14
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15 /*
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16 * Cursor snippet: Hide the Cursor over a control.
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17 *
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18 * For a list of all SWT example snippets see
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19 * http://www.eclipse.org/swt/snippets/
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20 */
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21
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22 import dwt.DWT;
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23 import dwt.events.PaintEvent;
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24 import dwt.events.PaintListener;
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25 import dwt.graphics.Color;
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26 import dwt.graphics.Cursor;
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27 import dwt.graphics.ImageData;
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28 import dwt.graphics.PaletteData;
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29 import dwt.widgets.Canvas;
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30 import dwt.widgets.Display;
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31 import dwt.widgets.Shell;
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32
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33 import dwt.dwthelper.utils;
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34
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35 void main(String [] args) {
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36 Display display = new Display();
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37 Shell shell = new Shell(display);
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38 shell.setBounds(10, 10, 200, 200);
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39 Canvas canvas = new Canvas(shell, DWT.BORDER);
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40 canvas.setBounds(10,50,150,100);
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41 canvas.addPaintListener(new class() PaintListener{
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42 public void paintControl(PaintEvent e) {
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43 e.gc.drawString("hide Cursor here", 10, 10);
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44 }
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45 });
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46
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47 // create a cursor with a transparent image
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48 Color white = display.getSystemColor (DWT.COLOR_WHITE);
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49 Color black = display.getSystemColor (DWT.COLOR_BLACK);
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50 PaletteData palette = new PaletteData ([white.getRGB(), black.getRGB()]);
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51 ImageData sourceData = new ImageData (16, 16, 1, palette);
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52 sourceData.transparentPixel = 0;
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53 Cursor cursor = new Cursor(display, sourceData, 0, 0);
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54
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55 shell.open();
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56 canvas.setCursor(cursor);
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57 while (!shell.isDisposed()) {
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58 if (!display.readAndDispatch()) display.sleep();
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59 }
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60 cursor.dispose();
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61 display.dispose();
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62 }
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