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styledtext: Snippet211, Snippet213, Snippet217, Snippet218, Snippet222, Snippet244
author yidabu <yidabu@gmail.com>
date Fri, 22 Aug 2008 07:27:56 +0800
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155
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1 /*******************************************************************************
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2 * Copyright (c) 2000, 2004 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 * Port to the D programming language:
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11 * yidabu at gmail dot com ( D China http://www.d-programming-language-china.org/ )
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12 *******************************************************************************/
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13
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14 module styledtext.Snippet218;
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15 /*
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16 * SWT StyledText snippet: use gradient background.
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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 * @since 3.2
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22 */
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23
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24 import dwt.DWT;
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25 import dwt.custom.StyledText;
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26 import dwt.custom.StyleRange;
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27 import dwt.layout.FillLayout;
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28 import dwt.widgets.Display;
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29 import dwt.widgets.Shell;
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30 import dwt.widgets.Event;
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31 import dwt.widgets.Listener;
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32 import dwt.graphics.FontData;
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33 import dwt.graphics.Font;
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34 import dwt.graphics.Rectangle;
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35 import dwt.graphics.GC;
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36 import dwt.graphics.Image;
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37
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38 import dwt.dwthelper.utils;
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39
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40 import Math = tango.math.Math;
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41 version(JIVE){
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42 import jive.stacktrace;
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43 }
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44
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45 void main() {
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46 static String text = "Plans do not materialize out of nowhere, nor are they entirely static. To ensure the planning process is "
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47 "transparent and open to the entire Eclipse community, we (the Eclipse PMC) post plans in an embryonic "
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48 "form and revise them throughout the release cycle. \n"
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49 "The first part of the plan deals with the important matters of release deliverables, release milestones, target "
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50 "operating environments, and release-to-release compatibility. These are all things that need to be clear for "
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51 "any release, even if no features were to change. \n";
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52 static Image oldImage;
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53
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54
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55 Display display = new Display();
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56 Shell shell = new Shell(display);
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57 shell.setLayout(new FillLayout());
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58 StyledText styledText = new StyledText(shell, DWT.WRAP | DWT.BORDER);
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59 styledText.setText(text);
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60 FontData data = display.getSystemFont().getFontData()[0];
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61 Font font = new Font(display, data.getName(), 16f, DWT.BOLD);
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62 styledText.setFont(font);
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63 styledText.setForeground(display.getSystemColor (DWT.COLOR_BLUE));
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64
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65 void onResize (Event event) {
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66 Rectangle rect = styledText.getClientArea ();
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67 Image newImage = new Image (display, 1, Math.max (1, rect.height));
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68 GC gc = new GC (newImage);
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69 gc.setForeground (display.getSystemColor (DWT.COLOR_WHITE));
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70 gc.setBackground (display.getSystemColor (DWT.COLOR_YELLOW));
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71 gc.fillGradientRectangle (rect.x, rect.y, 1, rect.height, true);
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72 gc.dispose ();
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73 styledText.setBackgroundImage (newImage);
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74 if (oldImage !is null) oldImage.dispose ();
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75 oldImage = newImage;
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76 }
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77
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78 styledText.addListener (DWT.Resize, dgListener(&onResize));
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79
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80 shell.setSize(700, 400);
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81 shell.open();
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82 while (!shell.isDisposed()) {
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83 if (!display.readAndDispatch())
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84 display.sleep();
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85 }
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86 if (oldImage !is null) oldImage.dispose ();
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87 font.dispose();
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88 display.dispose();
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89 }