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annotate org.eclipse.swt.win32.win32.x86/src/org/eclipse/swt/custom/CLabel.d @ 36:d46287db17ed

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rakefile reorg, swt win phobosification
author Frank Benoit <benoit@tionex.de>
date Tue, 24 Mar 2009 08:48:41 +0100
parents 950d84783eac
children 536e43f63c81
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1 /*******************************************************************************
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2 * Copyright (c) 2000, 2008 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.swt.custom.CLabel;
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14
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15
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16 import org.eclipse.swt.SWT;
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17 import org.eclipse.swt.SWTException;
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18 import org.eclipse.swt.accessibility.ACC;
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19 import org.eclipse.swt.accessibility.Accessible;
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20 import org.eclipse.swt.accessibility.AccessibleAdapter;
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21 import org.eclipse.swt.accessibility.AccessibleControlAdapter;
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22 import org.eclipse.swt.accessibility.AccessibleControlEvent;
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23 import org.eclipse.swt.accessibility.AccessibleEvent;
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24 import org.eclipse.swt.events.DisposeEvent;
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25 import org.eclipse.swt.events.DisposeListener;
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26 import org.eclipse.swt.events.PaintEvent;
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27 import org.eclipse.swt.events.PaintListener;
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28 import org.eclipse.swt.events.TraverseEvent;
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29 import org.eclipse.swt.events.TraverseListener;
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30 import org.eclipse.swt.graphics.Color;
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31 import org.eclipse.swt.graphics.Font;
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32 import org.eclipse.swt.graphics.GC;
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33 import org.eclipse.swt.graphics.Image;
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34 import org.eclipse.swt.graphics.Point;
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35 import org.eclipse.swt.graphics.Rectangle;
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36 import org.eclipse.swt.graphics.TextLayout;
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37 import org.eclipse.swt.widgets.Canvas;
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38 import org.eclipse.swt.widgets.Composite;
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39 import org.eclipse.swt.widgets.Control;
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40 import org.eclipse.swt.widgets.Display;
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41 import java.lang.all;
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42
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43 /**
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44 * A Label which supports aligned text and/or an image and different border styles.
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45 * <p>
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46 * If there is not enough space a CLabel uses the following strategy to fit the
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47 * information into the available space:
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48 * <pre>
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49 * ignores the indent in left align mode
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50 * ignores the image and the gap
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51 * shortens the text by replacing the center portion of the label with an ellipsis
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52 * shortens the text by removing the center portion of the label
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53 * </pre>
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54 * <p>
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55 * <dl>
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56 * <dt><b>Styles:</b>
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57 * <dd>LEFT, RIGHT, CENTER, SHADOW_IN, SHADOW_OUT, SHADOW_NONE</dd>
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58 * <dt><b>Events:</b>
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59 * <dd></dd>
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60 * </dl>
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61 *
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62 * </p><p>
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63 * IMPORTANT: This class is <em>not</em> intended to be subclassed.
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64 * </p>
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65 *
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66 * @see <a href="http://www.eclipse.org/swt/examples.php">SWT Example: CustomControlExample</a>
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67 * @see <a href="http://www.eclipse.org/swt/">Sample code and further information</a>
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68 */
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69 public class CLabel : Canvas {
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70
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71 alias Canvas.computeSize computeSize;
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72
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73 /** Gap between icon and text */
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74 private static const int GAP = 5;
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75 /** Left and right margins */
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76 private static const int INDENT = 3;
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77 /** a string inserted in the middle of text that has been shortened */
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78 private static const String ELLIPSIS = "..."; //$NON-NLS-1$ // could use the ellipsis glyph on some platforms "\u2026"
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79 /** the alignment. Either CENTER, RIGHT, LEFT. Default is LEFT*/
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80 private int align_ = SWT.LEFT;
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81 private int hIndent = INDENT;
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82 private int vIndent = INDENT;
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83 /** the current text */
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84 private String text;
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85 /** the current icon */
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86 private Image image;
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87 // The tooltip is used for two purposes - the application can set
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88 // a tooltip or the tooltip can be used to display the full text when the
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89 // the text has been truncated due to the label being too short.
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90 // The appToolTip stores the tooltip set by the application. Control.tooltiptext
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91 // contains whatever tooltip is currently being displayed.
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92 private String appToolTipText;
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93
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94 private Image backgroundImage;
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95 private Color[] gradientColors;
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96 private int[] gradientPercents;
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97 private bool gradientVertical;
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98 private Color background;
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99
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100 private static int DRAW_FLAGS = SWT.DRAW_MNEMONIC | SWT.DRAW_TAB | SWT.DRAW_TRANSPARENT | SWT.DRAW_DELIMITER;
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101
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102 /**
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103 * Constructs a new instance of this class given its parent
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104 * and a style value describing its behavior and appearance.
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105 * <p>
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106 * The style value is either one of the style constants defined in
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107 * class <code>SWT</code> which is applicable to instances of this
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108 * class, or must be built by <em>bitwise OR</em>'ing together
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109 * (that is, using the <code>int</code> "|" operator) two or more
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110 * of those <code>SWT</code> style constants. The class description
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111 * lists the style constants that are applicable to the class.
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112 * Style bits are also inherited from superclasses.
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113 * </p>
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114 *
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115 * @param parent a widget which will be the parent of the new instance (cannot be null)
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116 * @param style the style of widget to construct
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117 *
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118 * @exception IllegalArgumentException <ul>
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119 * <li>ERROR_NULL_ARGUMENT - if the parent is null</li>
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120 * </ul>
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121 * @exception SWTException <ul>
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122 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the parent</li>
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123 * </ul>
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124 *
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125 * @see SWT#LEFT
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126 * @see SWT#RIGHT
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127 * @see SWT#CENTER
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128 * @see SWT#SHADOW_IN
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129 * @see SWT#SHADOW_OUT
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130 * @see SWT#SHADOW_NONE
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131 * @see #getStyle()
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132 */
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133 public this(Composite parent, int style) {
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134 super(parent, checkStyle(style));
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135 if ((style & (SWT.CENTER | SWT.RIGHT)) is 0) style |= SWT.LEFT;
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136 if ((style & SWT.CENTER) !is 0) align_ = SWT.CENTER;
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137 if ((style & SWT.RIGHT) !is 0) align_ = SWT.RIGHT;
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138 if ((style & SWT.LEFT) !is 0) align_ = SWT.LEFT;
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139
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140 addPaintListener(new class() PaintListener{
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141 public void paintControl(PaintEvent event) {
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142 onPaint(event);
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143 }
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144 });
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145
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146 addDisposeListener(new class() DisposeListener{
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147 public void widgetDisposed(DisposeEvent event) {
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148 onDispose(event);
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149 }
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150 });
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151
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
152 addTraverseListener(new class() TraverseListener {
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parents:
diff changeset
153 public void keyTraversed(TraverseEvent event) {
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parents:
diff changeset
154 if (event.detail is SWT.TRAVERSE_MNEMONIC) {
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
155 onMnemonic(event);
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
156 }
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
157 }
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
158 });
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
159
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
160 initAccessible();
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parents:
diff changeset
161
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
162 }
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
163 /**
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
164 * Check the style bits to ensure that no invalid styles are applied.
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parents:
diff changeset
165 */
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
166 private static int checkStyle (int style) {
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
167 if ((style & SWT.BORDER) !is 0) style |= SWT.SHADOW_IN;
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
168 int mask = SWT.SHADOW_IN | SWT.SHADOW_OUT | SWT.SHADOW_NONE | SWT.LEFT_TO_RIGHT | SWT.RIGHT_TO_LEFT;
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169 style = style & mask;
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parents:
diff changeset
170 return style |= SWT.NO_FOCUS | SWT.DOUBLE_BUFFERED;
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parents:
diff changeset
171 }
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parents:
diff changeset
172
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
173 //protected void checkSubclass () {
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
174 // String name = getClass().getName ();
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diff changeset
175 // String validName = CLabel.class.getName();
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parents:
diff changeset
176 // if (!validName.equals(name)) {
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parents:
diff changeset
177 // SWT.error (SWT.ERROR_INVALID_SUBCLASS);
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178 // }
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parents:
diff changeset
179 //}
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180
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parents:
diff changeset
181 public override Point computeSize(int wHint, int hHint, bool changed) {
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diff changeset
182 checkWidget();
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diff changeset
183 Point e = getTotalSize(image, text);
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diff changeset
184 if (wHint is SWT.DEFAULT){
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diff changeset
185 e.x += 2*hIndent;
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parents:
diff changeset
186 } else {
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diff changeset
187 e.x = wHint;
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188 }
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parents:
diff changeset
189 if (hHint is SWT.DEFAULT) {
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
190 e.y += 2*vIndent;
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parents:
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191 } else {
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192 e.y = hHint;
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parents:
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193 }
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194 return e;
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parents:
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195 }
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
196 /**
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
197 * Draw a rectangle in the given colors.
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parents:
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198 */
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Frank Benoit <benoit@tionex.de>
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diff changeset
199 private void drawBevelRect(GC gc, int x, int y, int w, int h, Color topleft, Color bottomright) {
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parents:
diff changeset
200 gc.setForeground(bottomright);
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
201 gc.drawLine(x+w, y, x+w, y+h);
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
202 gc.drawLine(x, y+h, x+w, y+h);
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
203
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
204 gc.setForeground(topleft);
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
205 gc.drawLine(x, y, x+w-1, y);
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
206 gc.drawLine(x, y, x, y+h-1);
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parents:
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207 }
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
208 /*
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
209 * Return the lowercase of the first non-'&' character following
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
210 * an '&' character in the given string. If there are no '&'
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
211 * characters in the given string, return '\0'.
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parents:
diff changeset
212 */
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
213 dchar _findMnemonic (String string) {
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
214 if (string is null) return '\0';
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diff changeset
215 int index = 0;
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
216 int length = string.length;
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parents:
diff changeset
217 do {
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
218 while (index < length && string[index] !is '&') index++;
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
219 if (++index >= length) return '\0';
8
2847134a5fc0 more tango abstraction
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parents: 0
diff changeset
220 dchar d = string[index..$].firstCodePoint();
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parents: 0
diff changeset
221 if (d !is '&') {
2847134a5fc0 more tango abstraction
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parents: 0
diff changeset
222 return Character.toLowerCase( d );
0
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parents:
diff changeset
223 }
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
224 index++;
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
225 } while (index < length);
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
226 return '\0';
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
227 }
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
228 /**
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
229 * Returns the alignment.
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
230 * The alignment style (LEFT, CENTER or RIGHT) is returned.
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
231 *
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
232 * @return SWT.LEFT, SWT.RIGHT or SWT.CENTER
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Frank Benoit <benoit@tionex.de>
parents:
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233 */
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
234 public int getAlignment() {
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
235 //checkWidget();
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
236 return align_;
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
237 }
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
238 /**
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
239 * Return the CLabel's image or <code>null</code>.
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
240 *
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
241 * @return the image of the label or null
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
242 */
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
243 public Image getImage() {
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parents:
diff changeset
244 //checkWidget();
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
245 return image;
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
246 }
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
247 /**
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
248 * Compute the minimum size.
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
249 */
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
250 private Point getTotalSize(Image image, String text) {
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
251 Point size = new Point(0, 0);
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
252
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
253 if (image !is null) {
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
254 Rectangle r = image.getBounds();
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
255 size.x += r.width;
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
256 size.y += r.height;
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
257 }
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
258
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
259 GC gc = new GC(this);
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
260 if (text !is null && text.length > 0) {
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
261 Point e = gc.textExtent(text, DRAW_FLAGS);
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
262 size.x += e.x;
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
263 size.y = Math.max(size.y, e.y);
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
264 if (image !is null) size.x += GAP;
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
265 } else {
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
266 size.y = Math.max(size.y, gc.getFontMetrics().getHeight());
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
267 }
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
268 gc.dispose();
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
269
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
270 return size;
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
271 }
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
272 public override int getStyle () {
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
273 int style = super.getStyle();
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
274 switch (align_) {
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
275 case SWT.RIGHT: style |= SWT.RIGHT; break;
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
276 case SWT.CENTER: style |= SWT.CENTER; break;
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
277 case SWT.LEFT: style |= SWT.LEFT; break;
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
278 default:
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
279 }
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
280 return style;
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
281 }
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
282
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
283 /**
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
284 * Return the Label's text.
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
285 *
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
286 * @return the text of the label or null
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
287 */
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
288 public String getText() {
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
289 //checkWidget();
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
290 return text;
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
291 }
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
292 public override String getToolTipText () {
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
293 checkWidget();
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
294 return appToolTipText;
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
295 }
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
296 private void initAccessible() {
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
297 Accessible accessible = getAccessible();
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
298 accessible.addAccessibleListener(new class() AccessibleAdapter {
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
299 public void getName(AccessibleEvent e) {
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
300 e.result = getText();
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
301 }
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
302
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
303 public void getHelp(AccessibleEvent e) {
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
304 e.result = getToolTipText();
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
305 }
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
306
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
307 public void getKeyboardShortcut(AccessibleEvent e) {
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
308 dchar mnemonic = _findMnemonic(this.outer.text);
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
309 if (mnemonic !is '\0') {
8
2847134a5fc0 more tango abstraction
Frank Benoit <benoit@tionex.de>
parents: 0
diff changeset
310 e.result = "Alt+" ~ dcharToString(mnemonic); //$NON-NLS-1$
0
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
311 }
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
312 }
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
313 });
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
314
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
315 accessible.addAccessibleControlListener(new class() AccessibleControlAdapter {
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
316 public void getChildAtPoint(AccessibleControlEvent e) {
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
317 e.childID = ACC.CHILDID_SELF;
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
318 }
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
319
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
320 public void getLocation(AccessibleControlEvent e) {
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
321 Rectangle rect = getDisplay().map(getParent(), null, getBounds());
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
322 e.x = rect.x;
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
323 e.y = rect.y;
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
324 e.width = rect.width;
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
325 e.height = rect.height;
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
326 }
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
327
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
328 public void getChildCount(AccessibleControlEvent e) {
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
329 e.detail = 0;
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
330 }
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
331
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
332 public void getRole(AccessibleControlEvent e) {
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
333 e.detail = ACC.ROLE_LABEL;
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
334 }
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
335
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
336 public void getState(AccessibleControlEvent e) {
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
337 e.detail = ACC.STATE_READONLY;
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
338 }
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
339 });
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
340 }
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
341 void onDispose(DisposeEvent event) {
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
342 gradientColors = null;
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
343 gradientPercents = null;
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
344 backgroundImage = null;
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
345 text = null;
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
346 image = null;
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
347 appToolTipText = null;
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
348 }
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
349 void onMnemonic(TraverseEvent event) {
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
350 dchar mnemonic = _findMnemonic(text);
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
351 if (mnemonic is '\0') return;
9
950d84783eac Removing direct tango deps.
Frank Benoit <benoit@tionex.de>
parents: 8
diff changeset
352 if (Character.toLowerCase(event.character) !is mnemonic) return;
0
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
353 Composite control = this.getParent();
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
354 while (control !is null) {
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
355 Control [] children = control.getChildren();
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
356 int index = 0;
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
357 while (index < children.length) {
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
358 if (children [index] is this) break;
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
359 index++;
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
360 }
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
361 index++;
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
362 if (index < children.length) {
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
363 if (children [index].setFocus ()) {
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
364 event.doit = true;
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
365 event.detail = SWT.TRAVERSE_NONE;
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
366 }
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
367 }
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
368 control = control.getParent();
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
369 }
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
370 }
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
371
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
372 void onPaint(PaintEvent event) {
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
373 Rectangle rect = getClientArea();
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
374 if (rect.width is 0 || rect.height is 0) return;
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
375
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
376 bool shortenText_ = false;
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
377 String t = text;
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
378 Image img = image;
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
379 int availableWidth = Math.max(0, rect.width - 2*hIndent);
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
380 Point extent = getTotalSize(img, t);
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
381 if (extent.x > availableWidth) {
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
382 img = null;
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
383 extent = getTotalSize(img, t);
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
384 if (extent.x > availableWidth) {
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
385 shortenText_ = true;
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
386 }
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
387 }
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
388
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
389 GC gc = event.gc;
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
390 String[] lines = text is null ? null : splitString(text);
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
391
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
392 // shorten the text
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
393 if (shortenText_) {
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
394 extent.x = 0;
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
395 for(int i = 0; i < lines.length; i++) {
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
396 Point e = gc.textExtent(lines[i], DRAW_FLAGS);
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
397 if (e.x > availableWidth) {
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
398 lines[i] = shortenText(gc, lines[i], availableWidth);
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
399 extent.x = Math.max(extent.x, getTotalSize(null, lines[i]).x);
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
400 } else {
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
401 extent.x = Math.max(extent.x, e.x);
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
402 }
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
403 }
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
404 if (appToolTipText is null) {
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
405 super.setToolTipText(text);
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
406 }
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
407 } else {
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
408 super.setToolTipText(appToolTipText);
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
409 }
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
410
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
411 // determine horizontal position
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
412 int x = rect.x + hIndent;
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
413 if (align_ is SWT.CENTER) {
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
414 x = (rect.width - extent.x)/2;
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
415 }
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
416 if (align_ is SWT.RIGHT) {
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
417 x = rect.width - hIndent - extent.x;
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
418 }
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
419
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
420 // draw a background image behind the text
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
421 try {
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
422 if (backgroundImage !is null) {
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
423 // draw a background image behind the text
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
424 Rectangle imageRect = backgroundImage.getBounds();
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
425 // tile image to fill space
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
426 gc.setBackground(getBackground());
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
427 gc.fillRectangle(rect);
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
428 int xPos = 0;
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
429 while (xPos < rect.width) {
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
430 int yPos = 0;
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
431 while (yPos < rect.height) {
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
432 gc.drawImage(backgroundImage, xPos, yPos);
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
433 yPos += imageRect.height;
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
434 }
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
435 xPos += imageRect.width;
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
436 }
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
437 } else if (gradientColors !is null) {
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
438 // draw a gradient behind the text
36
d46287db17ed rakefile reorg, swt win phobosification
Frank Benoit <benoit@tionex.de>
parents: 9
diff changeset
439 Color oldBackground = gc.getBackground();
0
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
440 if (gradientColors.length is 1) {
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
441 if (gradientColors[0] !is null) gc.setBackground(gradientColors[0]);
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
442 gc.fillRectangle(0, 0, rect.width, rect.height);
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
443 } else {
36
d46287db17ed rakefile reorg, swt win phobosification
Frank Benoit <benoit@tionex.de>
parents: 9
diff changeset
444 Color oldForeground = gc.getForeground();
0
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
445 Color lastColor = gradientColors[0];
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
446 if (lastColor is null) lastColor = oldBackground;
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
447 int pos = 0;
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
448 for (int i = 0; i < gradientPercents.length; ++i) {
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
449 gc.setForeground(lastColor);
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
450 lastColor = gradientColors[i + 1];
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
451 if (lastColor is null) lastColor = oldBackground;
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
452 gc.setBackground(lastColor);
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
453 if (gradientVertical) {
36
d46287db17ed rakefile reorg, swt win phobosification
Frank Benoit <benoit@tionex.de>
parents: 9
diff changeset
454 int gradientHeight = (gradientPercents[i] * rect.height / 100) - pos;
0
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
455 gc.fillGradientRectangle(0, pos, rect.width, gradientHeight, true);
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
456 pos += gradientHeight;
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
457 } else {
36
d46287db17ed rakefile reorg, swt win phobosification
Frank Benoit <benoit@tionex.de>
parents: 9
diff changeset
458 int gradientWidth = (gradientPercents[i] * rect.width / 100) - pos;
0
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
459 gc.fillGradientRectangle(pos, 0, gradientWidth, rect.height, false);
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
460 pos += gradientWidth;
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
461 }
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
462 }
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
463 if (gradientVertical && pos < rect.height) {
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
464 gc.setBackground(getBackground());
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
465 gc.fillRectangle(0, pos, rect.width, rect.height - pos);
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
466 }
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
467 if (!gradientVertical && pos < rect.width) {
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
468 gc.setBackground(getBackground());
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
469 gc.fillRectangle(pos, 0, rect.width - pos, rect.height);
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
470 }
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
471 gc.setForeground(oldForeground);
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
472 }
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
473 gc.setBackground(oldBackground);
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
474 } else {
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
475 if (background !is null || (getStyle() & SWT.DOUBLE_BUFFERED) is 0) {
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
476 gc.setBackground(getBackground());
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
477 gc.fillRectangle(rect);
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
478 }
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
479 }
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
480 } catch (SWTException e) {
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
481 if ((getStyle() & SWT.DOUBLE_BUFFERED) is 0) {
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
482 gc.setBackground(getBackground());
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
483 gc.fillRectangle(rect);
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
484 }
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
485 }
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
486
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
487 // draw border
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
488 int style = getStyle();
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
489 if ((style & SWT.SHADOW_IN) !is 0 || (style & SWT.SHADOW_OUT) !is 0) {
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
490 paintBorder(gc, rect);
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
491 }
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
492
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
493 // draw the image
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
494 if (img !is null) {
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
495 Rectangle imageRect = img.getBounds();
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
496 gc.drawImage(img, 0, 0, imageRect.width, imageRect.height,
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
497 x, (rect.height-imageRect.height)/2, imageRect.width, imageRect.height);
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
498 x += imageRect.width + GAP;
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
499 extent.x -= imageRect.width + GAP;
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
500 }
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
501 // draw the text
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
502 if (lines !is null) {
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
503 int lineHeight = gc.getFontMetrics().getHeight();
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
504 int textHeight = lines.length * lineHeight;
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
505 int lineY = Math.max(vIndent, rect.y + (rect.height - textHeight) / 2);
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
506 gc.setForeground(getForeground());
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
507 for (int i = 0; i < lines.length; i++) {
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
508 int lineX = x;
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
509 if (lines.length > 1) {
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
510 if (align_ is SWT.CENTER) {
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
511 int lineWidth = gc.textExtent(lines[i], DRAW_FLAGS).x;
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
512 lineX = x + Math.max(0, (extent.x - lineWidth) / 2);
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
513 }
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
514 if (align_ is SWT.RIGHT) {
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
515 int lineWidth = gc.textExtent(lines[i], DRAW_FLAGS).x;
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
516 lineX = Math.max(x, rect.x + rect.width - hIndent - lineWidth);
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
517 }
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
518 }
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
519 gc.drawText(lines[i], lineX, lineY, DRAW_FLAGS);
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
520 lineY += lineHeight;
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
521 }
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
522 }
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
523 }
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
524 /**
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
525 * Paint the Label's border.
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
526 */
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
527 private void paintBorder(GC gc, Rectangle r) {
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
528 Display disp= getDisplay();
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
529
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
530 Color c1 = null;
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
531 Color c2 = null;
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
532
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
533 int style = getStyle();
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
534 if ((style & SWT.SHADOW_IN) !is 0) {
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
535 c1 = disp.getSystemColor(SWT.COLOR_WIDGET_NORMAL_SHADOW);
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
536 c2 = disp.getSystemColor(SWT.COLOR_WIDGET_HIGHLIGHT_SHADOW);
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
537 }
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
538 if ((style & SWT.SHADOW_OUT) !is 0) {
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
539 c1 = disp.getSystemColor(SWT.COLOR_WIDGET_LIGHT_SHADOW);
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
540 c2 = disp.getSystemColor(SWT.COLOR_WIDGET_NORMAL_SHADOW);
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
541 }
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
542
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
543 if (c1 !is null && c2 !is null) {
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
544 gc.setLineWidth(1);
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
545 drawBevelRect(gc, r.x, r.y, r.width-1, r.height-1, c1, c2);
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
546 }
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
547 }
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
548 /**
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
549 * Set the alignment of the CLabel.
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
550 * Use the values LEFT, CENTER and RIGHT to align image and text within the available space.
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
551 *
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
552 * @param align the alignment style of LEFT, RIGHT or CENTER
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
553 *
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
554 * @exception SWTException <ul>
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
555 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
556 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
557 * <li>ERROR_INVALID_ARGUMENT - if the value of align is not one of SWT.LEFT, SWT.RIGHT or SWT.CENTER</li>
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
558 * </ul>
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
559 */
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
560 public void setAlignment(int align_) {
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
561 checkWidget();
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
562 if (align_ !is SWT.LEFT && align_ !is SWT.RIGHT && align_ !is SWT.CENTER) {
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
563 SWT.error(SWT.ERROR_INVALID_ARGUMENT);
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
564 }
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
565 if (this.align_ !is align_) {
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
566 this.align_ = align_;
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
567 redraw();
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
568 }
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
569 }
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
570
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
571 public override void setBackground (Color color) {
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
572 super.setBackground (color);
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
573 // Are these settings the same as before?
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
574 if (backgroundImage is null &&
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
575 gradientColors is null &&
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
576 gradientPercents is null) {
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
577 if (color is null) {
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
578 if (background is null) return;
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
579 } else {
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
580 if (color ==/*eq*/ background) return;
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
581 }
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
582 }
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
583 background = color;
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
584 backgroundImage = null;
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
585 gradientColors = null;
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
586 gradientPercents = null;
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
587 redraw ();
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
588 }
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
589
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
590 /**
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
591 * Specify a gradient of colours to be drawn in the background of the CLabel.
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
592 * <p>For example, to draw a gradient that varies from dark blue to blue and then to
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
593 * white and stays white for the right half of the label, use the following call
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
594 * to setBackground:</p>
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
595 * <pre>
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
596 * clabel.setBackground(new Color[]{display.getSystemColor(SWT.COLOR_DARK_BLUE),
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
597 * display.getSystemColor(SWT.COLOR_BLUE),
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
598 * display.getSystemColor(SWT.COLOR_WHITE),
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
599 * display.getSystemColor(SWT.COLOR_WHITE)},
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
600 * new int[] {25, 50, 100});
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
601 * </pre>
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
602 *
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
603 * @param colors an array of Color that specifies the colors to appear in the gradient
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
604 * in order of appearance from left to right; The value <code>null</code>
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
605 * clears the background gradient; the value <code>null</code> can be used
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
606 * inside the array of Color to specify the background color.
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
607 * @param percents an array of integers between 0 and 100 specifying the percent of the width
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
608 * of the widget at which the color should change; the size of the percents
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
609 * array must be one less than the size of the colors array.
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
610 *
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
611 * @exception SWTException <ul>
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
612 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
613 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
614 * <li>ERROR_INVALID_ARGUMENT - if the values of colors and percents are not consistent</li>
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
615 * </ul>
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
616 */
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
617 public void setBackground(Color[] colors, int[] percents) {
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
618 setBackground(colors, percents, false);
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
619 }
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
620 /**
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
621 * Specify a gradient of colours to be drawn in the background of the CLabel.
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
622 * <p>For example, to draw a gradient that varies from dark blue to white in the vertical,
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
623 * direction use the following call
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
624 * to setBackground:</p>
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
625 * <pre>
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
626 * clabel.setBackground(new Color[]{display.getSystemColor(SWT.COLOR_DARK_BLUE),
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
627 * display.getSystemColor(SWT.COLOR_WHITE)},
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
628 * new int[] {100}, true);
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
629 * </pre>
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
630 *
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
631 * @param colors an array of Color that specifies the colors to appear in the gradient
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
632 * in order of appearance from left/top to right/bottom; The value <code>null</code>
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
633 * clears the background gradient; the value <code>null</code> can be used
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
634 * inside the array of Color to specify the background color.
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
635 * @param percents an array of integers between 0 and 100 specifying the percent of the width/height
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
636 * of the widget at which the color should change; the size of the percents
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
637 * array must be one less than the size of the colors array.
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
638 * @param vertical indicate the direction of the gradient. True is vertical and false is horizontal.
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
639 *
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
640 * @exception SWTException <ul>
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
641 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
642 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
643 * <li>ERROR_INVALID_ARGUMENT - if the values of colors and percents are not consistent</li>
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
644 * </ul>
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
645 *
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
646 * @since 3.0
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
647 */
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
648 public void setBackground(Color[] colors, int[] percents, bool vertical) {
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
649 checkWidget();
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
650 if (colors !is null) {
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
651 if (percents is null || percents.length !is colors.length - 1) {
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
652 SWT.error(SWT.ERROR_INVALID_ARGUMENT);
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
653 }
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
654 if (getDisplay().getDepth() < 15) {
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
655 // Don't use gradients on low color displays
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
656 colors = [colors[colors.length - 1]];
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
657 percents = null;
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
658 }
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
659 for (int i = 0; i < percents.length; i++) {
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
660 if (percents[i] < 0 || percents[i] > 100) {
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
661 SWT.error(SWT.ERROR_INVALID_ARGUMENT);
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
662 }
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
663 if (i > 0 && percents[i] < percents[i-1]) {
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
664 SWT.error(SWT.ERROR_INVALID_ARGUMENT);
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
665 }
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
666 }
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
667 }
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
668
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
669 // Are these settings the same as before?
36
d46287db17ed rakefile reorg, swt win phobosification
Frank Benoit <benoit@tionex.de>
parents: 9
diff changeset
670 Color background = getBackground();
0
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
671 if (backgroundImage is null) {
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
672 if ((gradientColors !is null) && (colors !is null) &&
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
673 (gradientColors.length is colors.length)) {
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
674 bool same = false;
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
675 for (int i = 0; i < gradientColors.length; i++) {
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
676 same = (gradientColors[i] is colors[i]) ||
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
677 ((gradientColors[i] is null) && (colors[i] is background)) ||
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
678 ((gradientColors[i] is background) && (colors[i] is null));
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
679 if (!same) break;
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
680 }
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
681 if (same) {
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
682 for (int i = 0; i < gradientPercents.length; i++) {
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
683 same = gradientPercents[i] is percents[i];
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
684 if (!same) break;
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
685 }
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
686 }
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
687 if (same && this.gradientVertical is vertical) return;
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
688 }
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
689 } else {
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
690 backgroundImage = null;
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
691 }
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
692 // Store the new settings
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
693 if (colors is null) {
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
694 gradientColors = null;
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
695 gradientPercents = null;
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
696 gradientVertical = false;
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
697 } else {
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
698 gradientColors = new Color[colors.length];
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
699 for (int i = 0; i < colors.length; ++i)
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
700 gradientColors[i] = (colors[i] !is null) ? colors[i] : background;
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
701 gradientPercents = new int[percents.length];
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
702 for (int i = 0; i < percents.length; ++i)
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
703 gradientPercents[i] = percents[i];
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
704 gradientVertical = vertical;
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
705 }
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
706 // Refresh with the new settings
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
707 redraw();
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
708 }
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
709 /**
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
710 * Set the image to be drawn in the background of the label.
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
711 *
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
712 * @param image the image to be drawn in the background
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
713 *
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
714 * @exception SWTException <ul>
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
715 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
716 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
717 * </ul>
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
718 */
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
719 public void setBackground(Image image) {
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
720 checkWidget();
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
721 if (image is backgroundImage) return;
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
722 if (image !is null) {
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
723 gradientColors = null;
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
724 gradientPercents = null;
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
725 }
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
726 backgroundImage = image;
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
727 redraw();
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
728
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
729 }
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
730 public override void setFont(Font font) {
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
731 super.setFont(font);
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
732 redraw();
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
733 }
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
734 /**
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
735 * Set the label's Image.
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
736 * The value <code>null</code> clears it.
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
737 *
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
738 * @param image the image to be displayed in the label or null
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
739 *
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
740 * @exception SWTException <ul>
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
741 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
742 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
743 * </ul>
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
744 */
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
745 public void setImage(Image image) {
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
746 checkWidget();
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
747 if (image !is this.image) {
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
748 this.image = image;
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
749 redraw();
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
750 }
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
751 }
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
752 /**
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
753 * Set the label's text.
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
754 * The value <code>null</code> clears it.
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
755 *
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
756 * @param text the text to be displayed in the label or null
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
757 *
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
758 * @exception SWTException <ul>
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
759 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
760 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
761 * </ul>
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
762 */
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
763 public void setText(String text) {
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
764 checkWidget();
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
765 if (text is null) text = ""; //$NON-NLS-1$
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
766 if ( text !=/*eq*/ this.text) {
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
767 this.text = text;
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
768 redraw();
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
769 }
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
770 }
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
771 public override void setToolTipText (String string) {
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
772 super.setToolTipText (string);
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
773 appToolTipText = super.getToolTipText();
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
774 }
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
775 /**
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
776 * Shorten the given text <code>t</code> so that its length doesn't exceed
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
777 * the given width. The default implementation replaces characters in the
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
778 * center of the original string with an ellipsis ("...").
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
779 * Override if you need a different strategy.
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
780 *
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
781 * @param gc the gc to use for text measurement
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
782 * @param t the text to shorten
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
783 * @param width the width to shorten the text to, in pixels
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
784 * @return the shortened text
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
785 */
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
786 protected String shortenText(GC gc, String t, int width) {
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
787 if (t is null) return null;
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
788 int w = gc.textExtent(ELLIPSIS, DRAW_FLAGS).x;
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
789 if (width<=w) return t;
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
790 int l = t.length;
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
791 int max = l/2;
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
792 int min = 0;
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
793 int mid = (max+min)/2 - 1;
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
794 if (mid <= 0) return t;
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
795 TextLayout layout = new TextLayout (getDisplay());
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
796 layout.setText(t);
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
797 mid = validateOffset(layout, mid);
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
798 while (min < mid && mid < max) {
9
950d84783eac Removing direct tango deps.
Frank Benoit <benoit@tionex.de>
parents: 8
diff changeset
799 String s1 = t.substring(0, mid);
0
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
800 String s2 = t.substring(validateOffset(layout, l-mid), l);
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
801 int l1 = gc.textExtent(s1, DRAW_FLAGS).x;
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
802 int l2 = gc.textExtent(s2, DRAW_FLAGS).x;
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
803 if (l1+w+l2 > width) {
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
804 max = mid;
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
805 mid = validateOffset(layout, (max+min)/2);
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
806 } else if (l1+w+l2 < width) {
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
807 min = mid;
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
808 mid = validateOffset(layout, (max+min)/2);
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
809 } else {
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
810 min = max;
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
811 }
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
812 }
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
813 String result = mid is 0 ? t : t.substring(0, mid) ~ ELLIPSIS ~ t.substring(validateOffset(layout, l-mid), l);
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
814 layout.dispose();
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
815 return result;
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
816 }
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
817 int validateOffset(TextLayout layout, int offset) {
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
818 int nextOffset = layout.getNextOffset(offset, SWT.MOVEMENT_CLUSTER);
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
819 if (nextOffset !is offset) return layout.getPreviousOffset(nextOffset, SWT.MOVEMENT_CLUSTER);
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
820 return offset;
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
821 }
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
822 private String[] splitString(String text) {
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
823 String[] lines = new String[1];
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
824 int start = 0, pos;
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
825 do {
9
950d84783eac Removing direct tango deps.
Frank Benoit <benoit@tionex.de>
parents: 8
diff changeset
826 pos = text.indexOf('\n', start);
950d84783eac Removing direct tango deps.
Frank Benoit <benoit@tionex.de>
parents: 8
diff changeset
827 if (pos is -1) {
950d84783eac Removing direct tango deps.
Frank Benoit <benoit@tionex.de>
parents: 8
diff changeset
828 lines[lines.length - 1] = text.substring(start);
0
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
829 } else {
9
950d84783eac Removing direct tango deps.
Frank Benoit <benoit@tionex.de>
parents: 8
diff changeset
830 bool crlf = (pos > 0) && (text.charAt(pos - 1) is '\r');
950d84783eac Removing direct tango deps.
Frank Benoit <benoit@tionex.de>
parents: 8
diff changeset
831 lines[lines.length - 1] = text.substring(start, pos - (crlf ? 1 : 0));
0
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
832 start = pos + 1;
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
833 String[] newLines = new String[lines.length+1];
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
834 System.arraycopy(lines, 0, newLines, 0, lines.length);
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
835 lines = newLines;
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
836 }
9
950d84783eac Removing direct tango deps.
Frank Benoit <benoit@tionex.de>
parents: 8
diff changeset
837 } while (pos !is -1);
0
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
838 return lines;
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
839 }
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
840 }