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annotate org.eclipse.draw2d/src/org/eclipse/draw2d/ToggleButton.d @ 104:88652073d1c2

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More work on icu
author Frank Benoit <benoit@tionex.de>
date Sat, 02 May 2009 11:27:24 +0200
parents bc29606a740c
children
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1 /*******************************************************************************
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2 * Copyright (c) 2000, 2005 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 * Frank Benoit <benoit@tionex.de>
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12 *******************************************************************************/
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13 module org.eclipse.draw2d.ToggleButton;
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14
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15 import java.lang.all;
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18
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19 import org.eclipse.swt.graphics.Image;
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20 import org.eclipse.draw2d.geometry.Insets;
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21 import org.eclipse.draw2d.geometry.Rectangle;
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22 import org.eclipse.draw2d.Toggle;
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23 import org.eclipse.draw2d.IFigure;
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24 import org.eclipse.draw2d.Graphics;
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25 import org.eclipse.draw2d.Label;
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26 import org.eclipse.draw2d.ColorConstants;
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27
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28 /**
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29 * A Toggle that appears like a 3-dimensional button.
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30 */
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31 public class ToggleButton
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32 : Toggle
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33 {
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34
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35 /** This ToggleButton's Label **/
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36 protected Label label = null;
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37
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38 /**
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39 * Constructs a new ToggleButton with no initial contents.
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40 */
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41 public this() {
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42 setStyle(STYLE_BUTTON | STYLE_TOGGLE);
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43 }
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44
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45 /**
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46 * Constructs a ToggleButton with the passed IFigure as its contents.
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47 *
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48 * @param contents the contents of the toggle button
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49 * @since 2.0
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50 */
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51 public this(IFigure contents) {
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52 super(contents, STYLE_BUTTON | STYLE_TOGGLE);
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53 }
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54
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55 /**
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56 * Constructs a ToggleButton with the passed string as its text.
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57 *
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58 * @param text the text to be displayed on the button
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59 * @since 2.0
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60 */
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61 public this(String text) {
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62 this(text, null);
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63 }
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64
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65 /**
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66 * Constructs a ToggleButton with a Label containing the passed text and icon.
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67 *
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68 * @param text the text
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69 * @param normalIcon the icon
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70 * @since 2.0
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71 */
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72 public this(String text, Image normalIcon) {
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73 super(new Label(text, normalIcon), STYLE_BUTTON | STYLE_TOGGLE);
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74 }
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75
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76 /**
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77 * @see org.eclipse.draw2d.Figure#paintFigure(Graphics)
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78 */
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79 protected void paintFigure(Graphics graphics) {
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80 if (isSelected() && isOpaque()) {
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81 fillCheckeredRectangle(graphics);
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82 } else {
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83 super.paintFigure(graphics);
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84 }
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85 }
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86
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87 /**
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88 * Draws a checkered pattern to emulate a toggle button that is in the selected state.
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89 * @param graphics The Graphics object used to paint
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90 */
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91 protected void fillCheckeredRectangle(Graphics graphics) {
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92 graphics.setBackgroundColor(ColorConstants.button);
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93 graphics.setForegroundColor(ColorConstants.buttonLightest);
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94 Rectangle rect = getClientArea(Rectangle.SINGLETON).crop(new Insets(1, 1, 0, 0));
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95 graphics.fillRectangle(rect.x, rect.y, rect.width, rect.height);
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96
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97 graphics.clipRect(rect);
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98 graphics.translate(rect.x, rect.y);
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99 int n = rect.width + rect.height;
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100 for (int i = 1; i < n; i += 2) {
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101 graphics.drawLine(0, i, i, 0);
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102 }
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103 graphics.restoreState();
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104 }
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105
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106 }