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annotate org.eclipse.ui.forms/src/org/eclipse/ui/forms/widgets/ILayoutExtension.d @ 12:bc29606a740c

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Added dwt-addons in original directory structure of eclipse.org
author Frank Benoit <benoit@tionex.de>
date Sat, 14 Mar 2009 18:23:29 +0100
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bc29606a740c Added dwt-addons in original directory structure of eclipse.org
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1 /*******************************************************************************
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2 * Copyright (c) 2000, 2005 IBM Corporation and others.
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3 * All rights reserved. This program and the accompanying materials
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4 * are made available under the terms of the Eclipse Public License v1.0
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5 * which accompanies this distribution, and is available at
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6 * http://www.eclipse.org/legal/epl-v10.html
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7 *
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8 * Contributors:
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9 * IBM Corporation - initial API and implementation
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10 * Port to the D programming language:
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
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11 * Frank Benoit <benoit@tionex.de>
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12 *******************************************************************************/
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13 module org.eclipse.ui.forms.widgets.ILayoutExtension;
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14
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
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15 import java.lang.all;
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16 import org.eclipse.swt.widgets.Composite;
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17 /**
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18 * Classes that extend abstract class Layout and implement this interface can
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19 * take part in layout computation of the TableWrapLayout manager. This layout
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20 * uses alternative algorithm that computes columns before rows. It allows it
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21 * to 'flow' wrapped text proportionally (similar to the way web browser
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22 * renders tables). Custom layout managers that implement this interface will
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23 * allow TableWrapLayout to properly compute width hint to pass.
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24 *
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25 * @see TableWrapLayout
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26 * @see ColumnLayout
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27 * @since 3.0
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28 */
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29 public interface ILayoutExtension {
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30 /**
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31 * Computes the minimum width of the parent. All widgets capable of word
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32 * wrapping should return the width of the longest word that cannot be
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33 * broken any further.
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34 *
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35 * @param parent the parent composite
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36 * @param changed <code>true</code> if the cached information should be
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37 * flushed, <code>false</code> otherwise.
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38 * @return the minimum width of the parent composite
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39 */
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40 public int computeMinimumWidth(Composite parent, bool changed);
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41 /**
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42 * Computes the maximum width of the parent. All widgets capable of word
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43 * wrapping should return the length of the entire text with wrapping
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44 * turned off.
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45 *
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46 * @param parent the parent composite
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47 * @param changed <code>true</code> if the cached information
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48 * should be flushed, <code>false</code> otherwise.
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49 * @return the maximum width of the parent composite
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50 */
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51 public int computeMaximumWidth(Composite parent, bool changed);
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52 }