Mercurial > projects > dwt-mac
view dwt/graphics/TextStyle.d @ 156:969e7de37c3d default tip
Fixes to get dwt to work with dmd and ldc
author | Jacob Carlborg <doob@me.com> |
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date | Wed, 08 Jul 2009 21:56:44 +0200 |
parents | 535243e6d16a |
children |
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/******************************************************************************* * Copyright (c) 2000, 2008 IBM Corporation and others. * All rights reserved. This program and the accompanying materials * are made available under the terms of the Eclipse Public License v1.0 * which accompanies this distribution, and is available at * http://www.eclipse.org/legal/epl-v10.html * * Contributors: * IBM Corporation - initial API and implementation * * Port to the D programming language: * Jacob Carlborg <doob@me.com> *******************************************************************************/ module dwt.graphics.TextStyle; import dwt.DWT; import dwt.dwthelper.utils; import dwt.graphics.Color; import dwt.graphics.Font; import dwt.graphics.GlyphMetrics; /** * <code>TextStyle</code> defines a set of styles that can be applied * to a range of text. * <p> * The hashCode() method in this class uses the values of the public * fields to compute the hash value. When storing instances of the * class in hashed collections, do not modify these fields after the * object has been inserted. * </p> * <p> * Application code does <em>not</em> need to explicitly release the * resources managed by each instance when those instances are no longer * required, and thus no <code>dispose()</code> method is provided. * </p> * * @see TextLayout * @see Font * @see Color * @see <a href="http://www.eclipse.org/swt/snippets/#textlayout">TextLayout, TextStyle snippets</a> * @see <a href="http://www.eclipse.org/swt/">Sample code and further information</a> * * @since 3.0 */ public class TextStyle { /** * the font of the style */ public Font font; /** * the foreground of the style */ public Color foreground; /** * the background of the style */ public Color background; /** * the underline flag of the style. The default underline * style is <code>DWT.UNDERLINE_SINGLE</code>. * * * @since 3.1 */ public bool underline; /** * the underline color of the style * * @since 3.4 */ public Color underlineColor; /** * the underline style. This style is ignored when * <code>underline</code> is false. * <p> * This value should be one of <code>DWT.UNDERLINE_SINGLE</code>, * <code>DWT.UNDERLINE_DOUBLE</code>, <code>DWT.UNDERLINE_ERROR</code>, * or <code>DWT.UNDERLINE_SQUIGGLE</code>. * </p> * * @see DWT#UNDERLINE_SINGLE * @see DWT#UNDERLINE_DOUBLE * @see DWT#UNDERLINE_ERROR * @see DWT#UNDERLINE_SQUIGGLE * * @since 3.4 */ public int underlineStyle; /** * the strikeout flag of the style * * @since 3.1 */ public bool strikeout; /** * the strikeout color of the style * * @since 3.4 */ public Color strikeoutColor; /** * the border style. The default border style is <code>DWT.NONE</code>. * <p> * This value should be one of <code>DWT.BORDER_SOLID</code>, * <code>DWT.BORDER_DASH</code>,<code>DWT.BORDER_DOT</code> or * <code>DWT.NONE</code>. * </p> * * @see DWT#BORDER_SOLID * @see DWT#BORDER_DASH * @see DWT#BORDER_DOT * @see DWT#NONE * * @since 3.4 */ public int borderStyle; /** * the border color of the style * * @since 3.4 */ public Color borderColor; /** * the GlyphMetrics of the style * * @since 3.2 */ public GlyphMetrics metrics; /** * the baseline rise of the style. * * @since 3.2 */ public int rise; /** * Create an empty text style. * * @since 3.4 */ public this () { } /** * Create a new text style with the specified font, foreground * and background. * * @param font the font of the style, <code>null</code> if none * @param foreground the foreground color of the style, <code>null</code> if none * @param background the background color of the style, <code>null</code> if none */ public this (Font font, Color foreground, Color background) { if (font !is null && font.isDisposed()) DWT.error (DWT.ERROR_INVALID_ARGUMENT); if (foreground !is null && foreground.isDisposed()) DWT.error (DWT.ERROR_INVALID_ARGUMENT); if (background !is null && background.isDisposed()) DWT.error (DWT.ERROR_INVALID_ARGUMENT); this.font = font; this.foreground = foreground; this.background = background; } /** * Create a new text style from an existing text style. * * @param style the style to copy * * @since 3.4 */ public this (TextStyle style) { if (style is null) DWT.error (DWT.ERROR_INVALID_ARGUMENT); font = style.font; foreground = style.foreground; background = style.background; underline = style.underline; underlineColor = style.underlineColor; underlineStyle = style.underlineStyle; strikeout = style.strikeout; strikeoutColor = style.strikeoutColor; borderStyle = style.borderStyle; borderColor = style.borderColor; metrics = style.metrics; rise = style.rise; } /** * Compares the argument to the receiver, and returns true * if they represent the <em>same</em> object using a class * specific comparison. * * @param object the object to compare with this object * @return <code>true</code> if the object is the same as this object and <code>false</code> otherwise * * @see #hashCode() */ public int opEquals(Object object) { if (object is this) return true; if (object is null) return false; if (!( null !is cast(TextStyle)object )) return false; TextStyle style = cast(TextStyle)object; if (foreground !is null) { if (!foreground.equals(style.foreground)) return false; } else if (style.foreground !is null) return false; if (background !is null) { if (!background.equals(style.background)) return false; } else if (style.background !is null) return false; if (font !is null) { if (!font.equals(style.font)) return false; } else if (style.font !is null) return false; if (metrics !is null || style.metrics !is null) return false; if (underline !is style.underline) return false; if (underlineStyle !is style.underlineStyle) return false; if (borderStyle !is style.borderStyle) return false; if (strikeout !is style.strikeout) return false; if (rise !is style.rise) return false; if (underlineColor !is null) { if (!underlineColor.equals(style.underlineColor)) return false; } else if (style.underlineColor !is null) return false; if (strikeoutColor !is null) { if (!strikeoutColor.equals(style.strikeoutColor)) return false; } else if (style.strikeoutColor !is null) return false; if (underlineStyle !is style.underlineStyle) return false; if (borderColor !is null) { if (!borderColor.equals(style.borderColor)) return false; } else if (style.borderColor !is null) return false; return true; } alias opEquals equals; /** * Returns an integer hash code for the receiver. Any two * objects that return <code>true</code> when passed to * <code>equals</code> must return the same value for this * method. * * @return the receiver's hash * * @see #equals(Object) */ public hash_t toHash() { hash_t hash = 0; if (foreground !is null) hash ^= foreground.hashCode(); if (background !is null) hash ^= background.hashCode(); if (font !is null) hash ^= font.hashCode(); if (metrics !is null) hash ^= metrics.hashCode(); if (underline) hash ^= hash; if (strikeout) hash ^= hash; hash ^= rise; if (underlineColor !is null) hash ^= underlineColor.hashCode(); if (strikeoutColor !is null) hash ^= strikeoutColor.hashCode(); if (borderColor !is null) hash ^= borderColor.hashCode(); hash ^= underlineStyle; return hash; } alias toHash hashCode; bool isAdherentBorder(TextStyle style) { if (this is style) return true; if (style is null) return false; if (borderStyle !is style.borderStyle) return false; if (borderColor !is null) { if (!borderColor.equals(style.borderColor)) return false; } else { if (style.borderColor !is null) return false; if (foreground !is null) { if (!foreground.equals(style.foreground)) return false; } else if (style.foreground !is null) return false; } return true; } bool isAdherentUnderline(TextStyle style) { if (this is style) return true; if (style is null) return false; if (underline !is style.underline) return false; if (underlineStyle !is style.underlineStyle) return false; if (underlineColor !is null) { if (!underlineColor.equals(style.underlineColor)) return false; } else { if (style.underlineColor !is null) return false; if (foreground !is null) { if (!foreground.equals(style.foreground)) return false; } else if (style.foreground !is null) return false; } return true; } bool isAdherentStrikeout(TextStyle style) { if (this is style) return true; if (style is null) return false; if (strikeout !is style.strikeout) return false; if (strikeoutColor !is null) { if (!strikeoutColor.equals(style.strikeoutColor)) return false; } else { if (style.strikeoutColor !is null) return false; if (foreground !is null) { if (!foreground.equals(style.foreground)) return false; } else if (style.foreground !is null) return false; } return true; } /** * Returns a string containing a concise, human-readable * description of the receiver. * * @return a string representation of the <code>TextStyle</code> */ public String toString () { StringBuffer buffer = new StringBuffer("TextStyle {"); int startLength = buffer.length(); if (font !is null) { if (buffer.length() > startLength) buffer.format("{}", ", "); buffer.format("{}", "font="); buffer.format("{}", font.toString); } if (foreground !is null) { if (buffer.length() > startLength) buffer.format("{}", ", "); buffer.format("{}", "foreground="); buffer.format("{}", foreground.toString); } if (background !is null) { if (buffer.length() > startLength) buffer.format("{}", ", "); buffer.format("{}", "background="); buffer.format("{}", background.toString); } if (underline) { if (buffer.length() > startLength) buffer.format("{}", ", "); buffer.format("{}", "underlined"); } if (strikeout) { if (buffer.length() > startLength) buffer.format("{}", ", "); buffer.format("{}", "striked out"); } if (rise !is 0) { if (buffer.length() > startLength) buffer.format("{}", ", "); buffer.format("{}", "rise="); buffer.format("{}", rise); } if (metrics !is null) { if (buffer.length() > startLength) buffer.format("{}", ", "); buffer.format("{}", "metrics="); buffer.format("{}", metrics.toString); } buffer.format("{}", "}"); return buffer.toString(); } }