Mercurial > projects > dwt-mac
annotate dwt/graphics/TextLayout.d @ 60:62202ce0039f
Updated and fixed many modules to 3.514
| author | Jacob Carlborg <doob@me.com> |
|---|---|
| date | Mon, 22 Dec 2008 15:10:19 +0100 |
| parents | cfa563df4fdd |
| children | 1a0129cab08e |
| rev | line source |
|---|---|
| 45 | 1 /******************************************************************************* |
| 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 * |
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11 * Port to the D programming language: |
| 45 | 12 * Jacob Carlborg <doob@me.com> |
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13 *******************************************************************************/ |
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14 module dwt.graphics.TextLayout; |
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15 |
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16 import dwt.DWT; |
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17 import dwt.DWTException; |
| 45 | 18 import dwt.internal.Compatibility; |
| 19 import dwt.internal.cocoa.NSArray; | |
| 20 import dwt.internal.cocoa.NSAutoreleasePool; | |
| 21 import dwt.internal.cocoa.NSBezierPath; | |
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22 import dwt.internal.cocoa.NSColor; |
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23 import dwt.internal.cocoa.NSFont; |
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24 import dwt.internal.cocoa.NSLayoutManager; |
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25 import dwt.internal.cocoa.NSMutableParagraphStyle; |
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26 import dwt.internal.cocoa.NSNumber; |
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27 import dwt.internal.cocoa.NSPoint; |
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28 import dwt.internal.cocoa.NSRange; |
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29 import dwt.internal.cocoa.NSRect; |
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30 import dwt.internal.cocoa.NSSize; |
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31 import dwt.internal.cocoa.NSString; |
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32 import dwt.internal.cocoa.NSTextContainer; |
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33 import dwt.internal.cocoa.NSTextStorage; |
| 45 | 34 import dwt.internal.cocoa.NSTextTab; |
| 35 import dwt.internal.cocoa.NSThread; | |
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36 import dwt.internal.cocoa.OS; |
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37 |
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38 import tango.text.convert.Format; |
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39 |
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40 import dwt.dwthelper.utils; |
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41 import dwt.graphics.Color; |
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42 import dwt.graphics.Device; |
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43 import dwt.graphics.Font; |
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44 import dwt.graphics.FontMetrics; |
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45 import dwt.graphics.GC; |
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46 import dwt.graphics.GCData; |
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47 import dwt.graphics.GlyphMetrics; |
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48 import dwt.graphics.Point; |
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49 import dwt.graphics.Rectangle; |
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50 import dwt.graphics.Region; |
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51 import dwt.graphics.Resource; |
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52 import dwt.graphics.TextStyle; |
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53 import Carbon = dwt.internal.c.Carbon; |
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54 import dwt.internal.cocoa.NSText; |
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55 import dwt.internal.objc.cocoa.Cocoa; |
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56 |
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57 /** |
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58 * <code>TextLayout</code> is a graphic object that represents |
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59 * styled text. |
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60 * <p> |
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61 * Instances of this class provide support for drawing, cursor |
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62 * navigation, hit testing, text wrapping, alignment, tab expansion |
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63 * line breaking, etc. These are aspects required for rendering internationalized text. |
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64 * </p><p> |
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65 * Application code must explicitly invoke the <code>TextLayout#dispose()</code> |
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66 * method to release the operating system resources managed by each instance |
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67 * when those instances are no longer required. |
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68 * </p> |
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69 * |
| 45 | 70 * @see <a href="http://www.eclipse.org/swt/snippets/#textlayout">TextLayout, TextStyle snippets</a> |
| 71 * @see <a href="http://www.eclipse.org/swt/examples.php">DWT Example: CustomControlExample, StyledText tab</a> | |
| 72 * @see <a href="http://www.eclipse.org/swt/">Sample code and further information</a> | |
| 73 * | |
| 74 * @since 3.0 | |
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75 */ |
| 3 | 76 public final class TextLayout : Resource { |
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77 |
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78 alias Resource.init_ init_; |
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79 |
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80 NSTextStorage textStorage; |
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81 NSLayoutManager layoutManager; |
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82 NSTextContainer textContainer; |
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83 Font font; |
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84 String text; |
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85 StyleItem[] styles; |
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86 int spacing, ascent, descent, indent; |
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87 bool justify; |
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88 int alignment; |
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89 int[] tabs; |
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90 int[] segments; |
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91 int wrapWidth; |
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92 int orientation; |
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93 |
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94 int[] lineOffsets; |
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95 NSRect[] lineBounds; |
| 45 | 96 |
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97 static const int UNDERLINE_THICK = 1 << 16; |
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98 |
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99 static class StyleItem { |
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100 TextStyle style; |
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101 int start; |
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102 |
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103 public String toString () { |
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104 return Format("StyleItem {{}{}{}{}" , start , ", " , style , "}"); |
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105 } |
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106 } |
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107 |
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108 // static final int TAB_COUNT = 32; |
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109 // static final char ZWS = '\u200B'; |
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110 // |
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111 // static final int UNDERLINE_IME_INPUT = 1 << 16; |
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112 // static final int UNDERLINE_IME_TARGET_CONVERTED = 2 << 16; |
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113 // static final int UNDERLINE_IME_CONVERTED = 3 << 16; |
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114 |
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115 /** |
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116 * Constructs a new instance of this class on the given device. |
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117 * <p> |
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118 * You must dispose the text layout when it is no longer required. |
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119 * </p> |
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120 * |
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121 * @param device the device on which to allocate the text layout |
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122 * |
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123 * @exception IllegalArgumentException <ul> |
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124 * <li>ERROR_NULL_ARGUMENT - if device is null and there is no current device</li> |
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125 * </ul> |
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126 * |
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127 * @see #dispose() |
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128 */ |
| 5 | 129 public this (Device device) { |
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130 super(device); |
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131 wrapWidth = ascent = descent = -1; |
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132 alignment = DWT.LEFT; |
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133 orientation = DWT.LEFT_TO_RIGHT; |
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134 text = ""; |
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135 styles = new StyleItem[2]; |
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136 styles[0] = new StyleItem(); |
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137 styles[1] = new StyleItem(); |
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138 init_(); |
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139 } |
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140 |
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141 void checkLayout() { |
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142 if (isDisposed()) DWT.error(DWT.ERROR_GRAPHIC_DISPOSED); |
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143 } |
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144 |
| 45 | 145 float[] computePolyline(int left, int top, int right, int bottom) { |
| 146 int height = bottom - top; // can be any number | |
| 147 int width = 2 * height; // must be even | |
| 148 int peaks = Compatibility.ceil(right - left, width); | |
| 149 if (peaks is 0 && right - left > 2) { | |
| 150 peaks = 1; | |
| 151 } | |
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152 int length_ = ((2 * peaks) + 1) * 2; |
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153 if (length_ < 0) return new float[0]; |
| 45 | 154 |
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155 float[] coordinates = new float[length_]; |
| 45 | 156 for (int i = 0; i < peaks; i++) { |
| 157 int index = 4 * i; | |
| 158 coordinates[index] = left + (width * i); | |
| 159 coordinates[index+1] = bottom; | |
| 160 coordinates[index+2] = coordinates[index] + width / 2; | |
| 161 coordinates[index+3] = top; | |
| 162 } | |
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163 coordinates[length_-2] = left + (width * peaks); |
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164 coordinates[length_-1] = bottom; |
| 45 | 165 return coordinates; |
| 166 } | |
| 167 | |
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168 void computeRuns() { |
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169 if (textStorage !is null) return; |
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170 NSString str = NSString.stringWith(text); |
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171 textStorage = (cast(NSTextStorage)(new NSTextStorage()).alloc()); |
| 45 | 172 textStorage.initWithString(str); |
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173 layoutManager = cast(NSLayoutManager)(new NSLayoutManager()).alloc().init(); |
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174 textContainer = cast(NSTextContainer)(new NSTextContainer()).alloc(); |
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175 NSSize size = NSSize(); |
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176 size.width = wrapWidth !is -1 ? wrapWidth : Float.MAX_VALUE; |
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177 size.height = Float.MAX_VALUE; |
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178 textContainer.initWithContainerSize(size); |
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179 textStorage.addLayoutManager(layoutManager); |
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180 layoutManager.addTextContainer(textContainer); |
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181 |
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182 textStorage.beginEditing(); |
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183 Font defaultFont = font !is null ? font : device.systemFont; |
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184 NSRange range = NSRange(); |
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185 range.length = str.length(); |
| 45 | 186 textStorage.addAttribute(OS.NSFontAttributeName, defaultFont.handle, range); |
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187 |
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188 NSMutableParagraphStyle paragraph = cast(NSMutableParagraphStyle)(new NSMutableParagraphStyle()).alloc().init(); |
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189 NSTextAlignment align_ = OS.NSLeftTextAlignment; |
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190 if (justify) { |
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191 align_ = OS.NSJustifiedTextAlignment; |
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192 } else { |
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193 switch (alignment) { |
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194 case DWT.CENTER: |
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195 align_ = OS.NSCenterTextAlignment; |
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196 break; |
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197 case DWT.RIGHT: |
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198 align_ = OS.NSRightTextAlignment; |
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199 } |
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200 } |
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201 paragraph.setAlignment(align_); |
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202 paragraph.setLineSpacing(spacing); |
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203 paragraph.setFirstLineHeadIndent(indent); |
| 45 | 204 paragraph.setLineBreakMode(wrapWidth !is -1 ? OS.NSLineBreakByWordWrapping : OS.NSLineBreakByClipping); |
| 205 paragraph.setTabStops(NSArray.array()); | |
| 206 if (tabs !is null) { | |
| 207 int count = tabs.length; | |
| 208 for (int i = 0, pos = 0; i < count; i++) { | |
| 209 pos += tabs[i]; | |
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210 NSTextTab tab = cast(NSTextTab)(new NSTextTab()).alloc(); |
| 45 | 211 tab = tab.initWithType(OS.NSLeftTabStopType, pos); |
| 212 paragraph.addTabStop(tab); | |
| 213 tab.release(); | |
| 214 } | |
| 215 int width = count - 2 >= 0 ? tabs[count - 1] - tabs[count - 2] : tabs[count - 1]; | |
| 216 paragraph.setDefaultTabInterval(width); | |
| 217 } | |
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218 |
| 45 | 219 //TODO ascend descent wrap |
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220 |
| 45 | 221 textStorage.addAttribute(OS.NSParagraphStyleAttributeName, paragraph, range); |
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222 paragraph.release(); |
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223 |
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224 NSUInteger textLength = str.length(); |
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225 for (int i = 0; i < styles.length - 1; i++) { |
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226 StyleItem run = styles[i]; |
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227 if (run.style is null) continue; |
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228 TextStyle style = run.style; |
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229 range.location = textLength !is 0 ? translateOffset(run.start) : 0; |
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230 range.length = translateOffset(styles[i + 1].start) - range.location; |
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231 Font font = style.font; |
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232 if (font !is null) { |
| 45 | 233 textStorage.addAttribute(OS.NSFontAttributeName, font.handle, range); |
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234 } |
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235 Color foreground = style.foreground; |
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236 if (foreground !is null) { |
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237 NSColor color = NSColor.colorWithDeviceRed(foreground.handle[0], foreground.handle[1], foreground.handle[2], 1); |
| 45 | 238 textStorage.addAttribute(OS.NSForegroundColorAttributeName, color, range); |
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239 } |
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240 Color background = style.background; |
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241 if (background !is null) { |
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242 NSColor color = NSColor.colorWithDeviceRed(background.handle[0], background.handle[1], background.handle[2], 1); |
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243 textStorage.addAttribute(OS.NSBackgroundColorAttributeName, color, range); |
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244 } |
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245 if (style.strikeout) { |
| 45 | 246 textStorage.addAttribute(OS.NSStrikethroughStyleAttributeName, NSNumber.numberWithInt(OS.NSUnderlineStyleSingle), range); |
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247 Color strikeColor = style.strikeoutColor; |
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248 if (strikeColor !is null) { |
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249 NSColor color = NSColor.colorWithDeviceRed(strikeColor.handle[0], strikeColor.handle[1], strikeColor.handle[2], 1); |
| 45 | 250 textStorage.addAttribute(OS.NSStrikethroughColorAttributeName, color, range); |
|
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251 } |
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252 } |
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253 if (style.underline) { |
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254 int underlineStyle = 0; |
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255 switch (style.underlineStyle) { |
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256 case DWT.UNDERLINE_SINGLE: |
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257 underlineStyle = OS.NSUnderlineStyleSingle; |
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258 break; |
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259 case DWT.UNDERLINE_DOUBLE: |
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260 underlineStyle = OS.NSUnderlineStyleDouble; |
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261 break; |
| 45 | 262 case UNDERLINE_THICK: |
| 263 underlineStyle = OS.NSUnderlineStyleThick; | |
| 264 break; | |
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265 } |
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266 if (underlineStyle !is 0) { |
| 45 | 267 textStorage.addAttribute(OS.NSUnderlineStyleAttributeName, NSNumber.numberWithInt(underlineStyle), range); |
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268 Color underlineColor = style.underlineColor; |
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269 if (underlineColor !is null) { |
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270 NSColor color = NSColor.colorWithDeviceRed(underlineColor.handle[0], underlineColor.handle[1], underlineColor.handle[2], 1); |
| 45 | 271 textStorage.addAttribute(OS.NSUnderlineColorAttributeName, color, range); |
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272 } |
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273 } |
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274 } |
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275 if (style.rise !is 0) { |
| 45 | 276 textStorage.addAttribute(OS.NSBaselineOffsetAttributeName, NSNumber.numberWithInt(style.rise), range); |
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277 } |
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278 if (style.metrics !is null) { |
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279 //TODO |
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280 } |
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281 } |
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282 textStorage.endEditing(); |
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283 |
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284 textContainer.setLineFragmentPadding(0); |
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285 layoutManager.glyphRangeForTextContainer(textContainer); |
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286 |
| 45 | 287 int numberOfLines; |
| 288 NSUInteger numberOfGlyphs = layoutManager.numberOfGlyphs(), index; | |
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289 NSRangePointer rangePtr = cast(NSRangePointer) OS.malloc(NSRange.sizeof); |
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290 NSRange lineRange = NSRange(); |
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291 for (numberOfLines = 0, index = 0; index < numberOfGlyphs; numberOfLines++){ |
| 45 | 292 layoutManager.lineFragmentUsedRectForGlyphAtIndex(index, rangePtr, true); |
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293 OS.memmove(&lineRange, rangePtr, NSRange.sizeof); |
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294 index = lineRange.location + lineRange.length; |
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295 } |
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296 if (numberOfLines is 0) numberOfLines++; |
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297 int[] offsets = new int[numberOfLines + 1]; |
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298 NSRect[] bounds = new NSRect[numberOfLines]; |
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299 for (numberOfLines = 0, index = 0; index < numberOfGlyphs; numberOfLines++){ |
| 45 | 300 bounds[numberOfLines] = layoutManager.lineFragmentUsedRectForGlyphAtIndex(index, rangePtr, true); |
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301 if (numberOfLines < bounds.length - 1) bounds[numberOfLines].height = bounds[numberOfLines].height - spacing; |
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302 OS.memmove(&lineRange, rangePtr, NSRange.sizeof); |
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303 offsets[numberOfLines] = cast(int)/*64*/lineRange.location; |
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304 index = lineRange.location + lineRange.length; |
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305 } |
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306 if (numberOfLines is 0) { |
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307 Font font = this.font !is null ? this.font : device.systemFont; |
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308 NSFont nsFont = font.handle; |
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309 bounds[0] = NSRect(); |
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310 bounds[0].height = Math.max(layoutManager.defaultLineHeightForFont(nsFont), ascent + descent); |
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311 } |
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312 OS.free(rangePtr); |
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313 offsets[numberOfLines] = cast(int)/*64*/textStorage.length(); |
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314 this.lineOffsets = offsets; |
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315 this.lineBounds = bounds; |
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316 } |
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317 |
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318 void destroy() { |
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319 freeRuns(); |
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320 font = null; |
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321 text = null; |
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322 styles = null; |
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323 } |
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324 |
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325 /** |
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326 * Draws the receiver's text using the specified GC at the specified |
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327 * point. |
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328 * |
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329 * @param gc the GC to draw |
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330 * @param x the x coordinate of the top left corner of the rectangular area where the text is to be drawn |
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331 * @param y the y coordinate of the top left corner of the rectangular area where the text is to be drawn |
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332 * |
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333 * @exception DWTException <ul> |
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334 * <li>ERROR_GRAPHIC_DISPOSED - if the receiver has been disposed</li> |
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335 * </ul> |
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336 * @exception IllegalArgumentException <ul> |
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337 * <li>ERROR_NULL_ARGUMENT - if the gc is null</li> |
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338 * </ul> |
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339 */ |
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340 public void draw(GC gc, int x, int y) { |
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341 draw(gc, x, y, -1, -1, null, null); |
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342 } |
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343 |
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344 /** |
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345 * Draws the receiver's text using the specified GC at the specified |
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346 * point. |
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347 * |
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348 * @param gc the GC to draw |
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349 * @param x the x coordinate of the top left corner of the rectangular area where the text is to be drawn |
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350 * @param y the y coordinate of the top left corner of the rectangular area where the text is to be drawn |
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351 * @param selectionStart the offset where the selections starts, or -1 indicating no selection |
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352 * @param selectionEnd the offset where the selections ends, or -1 indicating no selection |
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353 * @param selectionForeground selection foreground, or NULL to use the system default color |
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354 * @param selectionBackground selection background, or NULL to use the system default color |
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355 * |
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356 * @exception DWTException <ul> |
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357 * <li>ERROR_GRAPHIC_DISPOSED - if the receiver has been disposed</li> |
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358 * </ul> |
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359 * @exception IllegalArgumentException <ul> |
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360 * <li>ERROR_NULL_ARGUMENT - if the gc is null</li> |
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361 * </ul> |
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362 */ |
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363 public void draw(GC gc, int x, int y, int selectionStart, int selectionEnd, Color selectionForeground, Color selectionBackground) { |
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364 draw(gc, x, y, selectionStart, selectionEnd, selectionForeground, selectionBackground, 0); |
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365 } |
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366 |
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367 /** |
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368 * Draws the receiver's text using the specified GC at the specified |
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369 * point. |
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370 * <p> |
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371 * The parameter <code>flags</code> can include one of <code>DWT.DELIMITER_SELECTION</code> |
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372 * or <code>DWT.FULL_SELECTION</code> to specify the selection behavior on all lines except |
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373 * for the last line, and can also include <code>DWT.LAST_LINE_SELECTION</code> to extend |
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374 * the specified selection behavior to the last line. |
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375 * </p> |
|
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376 * @param gc the GC to draw |
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377 * @param x the x coordinate of the top left corner of the rectangular area where the text is to be drawn |
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378 * @param y the y coordinate of the top left corner of the rectangular area where the text is to be drawn |
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379 * @param selectionStart the offset where the selections starts, or -1 indicating no selection |
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380 * @param selectionEnd the offset where the selections ends, or -1 indicating no selection |
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381 * @param selectionForeground selection foreground, or NULL to use the system default color |
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382 * @param selectionBackground selection background, or NULL to use the system default color |
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383 * @param flags drawing options |
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384 * |
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385 * @exception DWTException <ul> |
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386 * <li>ERROR_GRAPHIC_DISPOSED - if the receiver has been disposed</li> |
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387 * </ul> |
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388 * @exception IllegalArgumentException <ul> |
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389 * <li>ERROR_NULL_ARGUMENT - if the gc is null</li> |
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390 * </ul> |
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391 * |
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392 * @since 3.3 |
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393 */ |
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394 public void draw(GC gc, int x, int y, int selectionStart, int selectionEnd, Color selectionForeground, Color selectionBackground, int flags) { |
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395 checkLayout (); |
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396 computeRuns(); |
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397 if (gc is null) DWT.error(DWT.ERROR_NULL_ARGUMENT); |
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398 if (gc.isDisposed()) DWT.error(DWT.ERROR_INVALID_ARGUMENT); |
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399 if (selectionForeground !is null && selectionForeground.isDisposed()) DWT.error(DWT.ERROR_INVALID_ARGUMENT); |
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400 if (selectionBackground !is null && selectionBackground.isDisposed()) DWT.error(DWT.ERROR_INVALID_ARGUMENT); |
| 45 | 401 int length = translateOffset(text.length()); |
| 402 if (length is 0 && flags is 0) return; | |
| 403 NSAutoreleasePool pool = gc.checkGC(GC.CLIPPING | GC.TRANSFORM | GC.FOREGROUND); | |
| 404 try { | |
| 405 gc.handle.saveGraphicsState(); | |
| 406 float[] fg = gc.data.foreground; | |
| 407 NSColor foreground = NSColor.colorWithDeviceRed(fg[0], fg[1], fg[2], fg[3]); | |
| 408 NSPoint pt = NSPoint(); | |
| 409 pt.x = x; | |
| 410 pt.y = y; | |
| 411 bool hasSelection = selectionStart <= selectionEnd && selectionStart !is -1 && selectionEnd !is -1; | |
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412 NSRange* selectionRange = null; |
| 45 | 413 NSColor selectionColor = null; |
| 414 if (hasSelection || (flags & DWT.LAST_LINE_SELECTION) !is 0) { | |
| 415 if (selectionBackground is null) selectionBackground = device.getSystemColor(DWT.COLOR_LIST_SELECTION); | |
| 416 selectionColor = NSColor.colorWithDeviceRed(selectionBackground.handle[0], selectionBackground.handle[1], selectionBackground.handle[2], selectionBackground.handle[3]); | |
| 417 } | |
| 418 if (hasSelection) { | |
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419 selectionRange = &NSRange(); |
| 45 | 420 selectionRange.location = selectionStart; |
| 421 selectionRange.length = selectionEnd - selectionStart + 1; | |
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422 layoutManager.addTemporaryAttribute(OS.NSBackgroundColorAttributeName, selectionColor, *selectionRange); |
| 45 | 423 } |
| 424 //TODO draw selection for flags (DELIMITER_SELECTION) | |
| 425 int numberOfGlyphs = layoutManager.numberOfGlyphs(); | |
| 426 if (numberOfGlyphs > 0) { | |
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427 NSRange range = NSRange(); |
| 45 | 428 for (int i = 0; i < styles.length - 1; i++) { |
| 429 StyleItem run = styles[i]; | |
| 430 if (run.style !is null && run.style.foreground !is null) continue; | |
| 431 range.location = length !is 0 ? translateOffset(run.start) : 0; | |
| 432 range.length = translateOffset(styles[i + 1].start) - range.location; | |
| 433 layoutManager.addTemporaryAttribute(OS.NSForegroundColorAttributeName, foreground, range); | |
| 434 } | |
| 435 range.location = 0; | |
| 436 range.length = numberOfGlyphs; | |
| 437 layoutManager.drawBackgroundForGlyphRange(range, pt); | |
| 438 layoutManager.drawGlyphsForGlyphRange(range, pt); | |
| 439 range.length = length; | |
| 440 layoutManager.removeTemporaryAttribute(OS.NSForegroundColorAttributeName, range); | |
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441 NSPoint point = NSPoint(); |
| 45 | 442 for (int j = 0; j < styles.length; j++) { |
| 443 StyleItem run = styles[j]; | |
| 444 TextStyle style = run.style; | |
| 445 if (style is null) continue; | |
| 446 bool drawUnderline = style.underline && style.underlineStyle !is DWT.UNDERLINE_SINGLE && style.underlineStyle !is DWT.UNDERLINE_DOUBLE; | |
| 447 drawUnderline = drawUnderline && (j + 1 is styles.length || !style.isAdherentUnderline(styles[j + 1].style)); | |
| 448 bool drawBorder = style.borderStyle !is DWT.NONE; | |
| 449 drawBorder = drawBorder && (j + 1 is styles.length || !style.isAdherentBorder(styles[j + 1].style)); | |
| 450 if (!drawUnderline && !drawBorder) continue; | |
| 451 int end = j + 1 < styles.length ? translateOffset(styles[j + 1].start - 1) : length; | |
| 452 for (int i = 0; i < lineOffsets.length - 1; i++) { | |
| 453 int lineStart = untranslateOffset(lineOffsets[i]); | |
| 454 int lineEnd = untranslateOffset(lineOffsets[i + 1] - 1); | |
| 455 if (drawUnderline) { | |
| 456 int start = run.start; | |
| 457 for (int k = j; k > 0 && style.isAdherentUnderline(styles[k - 1].style); k--) { | |
| 458 start = styles[k - 1].start; | |
| 459 } | |
| 460 start = translateOffset(start); | |
| 461 if (!(start > lineEnd || end < lineStart)) { | |
| 462 range.location = layoutManager.glyphIndexForCharacterAtIndex(Math.max(lineStart, start)); | |
| 463 range.length = layoutManager.glyphIndexForCharacterAtIndex(Math.min(lineEnd, end) + 1) - range.location; | |
| 464 if (range.length > 0) { | |
| 465 gc.handle.saveGraphicsState(); | |
| 466 NSRect rect = layoutManager.boundingRectForGlyphRange(range, textContainer); | |
| 467 float baseline = layoutManager.typesetter().baselineOffsetInLayoutManager(layoutManager, lineStart); | |
| 468 float underlineX = pt.x + rect.x; | |
| 469 float underlineY = pt.y + rect.y + rect.height - baseline; | |
| 470 float[] color = null; | |
| 471 if (style.underlineColor !is null) color = style.underlineColor.handle; | |
| 472 if (color is null && style.foreground !is null) color = style.foreground.handle; | |
| 473 if (color !is null) { | |
| 474 NSColor.colorWithDeviceRed(color[0], color[1], color[2], color[3]).setStroke(); | |
| 475 } | |
| 476 NSBezierPath path = NSBezierPath.bezierPath(); | |
| 477 switch (style.underlineStyle) { | |
| 478 case DWT.UNDERLINE_ERROR: { | |
| 479 path.setLineWidth(2f); | |
| 480 path.setLineCapStyle(OS.NSRoundLineCapStyle); | |
| 481 path.setLineJoinStyle(OS.NSRoundLineJoinStyle); | |
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482 path.setLineDash([1f, 3f].ptr, 2, cast(Carbon.CGFloat) 0); |
| 45 | 483 point.x = underlineX; |
| 484 point.y = underlineY + 0.5f; | |
| 485 path.moveToPoint(point); | |
| 486 point.x = underlineX + rect.width; | |
| 487 point.y = underlineY + 0.5f; | |
| 488 path.lineToPoint(point); | |
| 489 break; | |
| 490 } | |
| 491 case DWT.UNDERLINE_SQUIGGLE: { | |
| 492 gc.handle.setShouldAntialias(false); | |
| 493 path.setLineWidth(1.0f); | |
| 494 path.setLineCapStyle(OS.NSButtLineCapStyle); | |
| 495 path.setLineJoinStyle(OS.NSMiterLineJoinStyle); | |
| 496 float lineBottom = pt.y + rect.y + rect.height; | |
| 497 float squigglyThickness = 1; | |
| 498 float squigglyHeight = 2 * squigglyThickness; | |
| 499 float squigglyY = Math.min(underlineY - squigglyHeight / 2, lineBottom - squigglyHeight - 1); | |
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500 float[] points = computePolyline(cast(int)underlineX, cast(int)squigglyY, cast(int)(underlineX + rect.width), cast(int)(squigglyY + squigglyHeight)); |
| 45 | 501 point.x = points[0] + 0.5f; |
| 502 point.y = points[1] + 0.5f; | |
| 503 path.moveToPoint(point); | |
| 504 for (int p = 2; p < points.length; p+=2) { | |
| 505 point.x = points[p] + 0.5f; | |
| 506 point.y = points[p+1] + 0.5f; | |
| 507 path.lineToPoint(point); | |
| 508 } | |
| 509 break; | |
| 510 } | |
| 511 } | |
| 512 path.stroke(); | |
| 513 gc.handle.restoreGraphicsState(); | |
| 514 } | |
| 515 } | |
| 516 } | |
| 517 if (drawBorder) { | |
| 518 int start = run.start; | |
| 519 for (int k = j; k > 0 && style.isAdherentBorder(styles[k - 1].style); k--) { | |
| 520 start = styles[k - 1].start; | |
| 521 } | |
| 522 start = translateOffset(start); | |
| 523 if (!(start > lineEnd || end < lineStart)) { | |
| 524 range.location = layoutManager.glyphIndexForCharacterAtIndex(Math.max(lineStart, start)); | |
| 525 range.length = layoutManager.glyphIndexForCharacterAtIndex(Math.min(lineEnd, end) + 1) - range.location; | |
| 526 if (range.length > 0) { | |
| 527 gc.handle.saveGraphicsState(); | |
| 528 NSRect rect = layoutManager.boundingRectForGlyphRange(range, textContainer); | |
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529 rect.x = rect.x + pt.x + 0.5f; |
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530 rect.y = rect.y + pt.y + 0.5f; |
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531 rect.width = rect.width - 0.5f; |
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532 rect.height = rect.height - 0.5f; |
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533 Carbon.CGFloat[] color = null; |
| 45 | 534 if (style.borderColor !is null) color = style.borderColor.handle; |
| 535 if (color is null && style.foreground !is null) color = style.foreground.handle; | |
| 536 if (color !is null) { | |
| 537 NSColor.colorWithDeviceRed(color[0], color[1], color[2], color[3]).setStroke(); | |
| 538 } | |
| 539 int width = 1; | |
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540 Carbon.CGFloat[] dashes = null; |
| 45 | 541 switch (style.borderStyle) { |
| 542 case DWT.BORDER_SOLID: break; | |
| 543 case DWT.BORDER_DASH: dashes = width !is 0 ? GC.LINE_DASH : GC.LINE_DASH_ZERO; break; | |
| 544 case DWT.BORDER_DOT: dashes = width !is 0 ? GC.LINE_DOT : GC.LINE_DOT_ZERO; break; | |
| 545 } | |
| 546 NSBezierPath path = NSBezierPath.bezierPath(); | |
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547 path.setLineDash(dashes.ptr, dashes !is null ? dashes.length : 0, 0); |
| 45 | 548 path.appendBezierPathWithRect(rect); |
| 549 path.stroke(); | |
| 550 gc.handle.restoreGraphicsState(); | |
| 551 } | |
| 552 } | |
| 553 } | |
| 554 } | |
| 555 | |
| 556 } | |
| 557 } | |
| 558 if ((flags & DWT.LAST_LINE_SELECTION) !is 0) { | |
| 559 NSRect bounds = lineBounds[lineBounds.length - 1]; | |
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560 NSRect rect = NSRect(); |
| 45 | 561 rect.x = pt.x + bounds.x + bounds.width; |
| 562 rect.y = y + bounds.y; | |
| 563 rect.width = (flags & DWT.FULL_SELECTION) !is 0 ? 0x7fffffff : bounds.height / 3; | |
| 564 rect.height = bounds.height; | |
| 565 selectionColor.setFill(); | |
| 566 NSBezierPath path = NSBezierPath.bezierPath(); | |
| 567 path.appendBezierPathWithRect(rect); | |
| 568 path.fill(); | |
| 569 } | |
| 570 if (selectionRange !is null) { | |
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571 layoutManager.removeTemporaryAttribute(OS.NSBackgroundColorAttributeName, *selectionRange); |
| 45 | 572 } |
| 573 gc.handle.restoreGraphicsState(); | |
| 574 } finally { | |
| 575 gc.uncheckGC(pool); | |
|
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576 } |
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577 } |
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578 |
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579 void freeRuns() { |
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580 if (textStorage is null) return; |
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581 if (textStorage !is null) { |
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582 textStorage.release(); |
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583 } |
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584 if (layoutManager !is null) { |
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585 layoutManager.release(); |
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586 } |
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587 if (textContainer !is null) { |
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588 textContainer.release(); |
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589 } |
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590 textStorage = null; |
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591 layoutManager = null; |
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592 textContainer = null; |
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593 } |
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594 |
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595 /** |
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596 * Returns the receiver's horizontal text alignment, which will be one |
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597 * of <code>DWT.LEFT</code>, <code>DWT.CENTER</code> or |
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598 * <code>DWT.RIGHT</code>. |
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599 * |
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600 * @return the alignment used to positioned text horizontally |
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601 * |
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602 * @exception DWTException <ul> |
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603 * <li>ERROR_GRAPHIC_DISPOSED - if the receiver has been disposed</li> |
|
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604 * </ul> |
|
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605 */ |
|
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606 public int getAlignment() { |
|
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607 checkLayout(); |
|
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608 return alignment; |
|
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|
609 } |
|
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610 |
|
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611 /** |
|
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612 * Returns the ascent of the receiver. |
|
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613 * |
|
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614 * @return the ascent |
|
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615 * |
|
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616 * @exception DWTException <ul> |
|
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617 * <li>ERROR_GRAPHIC_DISPOSED - if the receiver has been disposed</li> |
|
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618 * </ul> |
|
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619 * |
|
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620 * @see #getDescent() |
|
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621 * @see #setDescent(int) |
|
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622 * @see #setAscent(int) |
|
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623 * @see #getLineMetrics(int) |
|
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624 */ |
|
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625 public int getAscent () { |
|
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626 checkLayout(); |
|
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627 return ascent; |
|
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628 } |
|
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629 |
|
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630 /** |
| 45 | 631 * Returns the bounds of the receiver. The width returned is either the |
| 632 * width of the longest line or the width set using {@link TextLayout#setWidth(int)}. | |
| 633 * To obtain the text bounds of a line use {@link TextLayout#getLineBounds(int)}. | |
|
0
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634 * |
|
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635 * @return the bounds of the receiver |
|
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636 * |
|
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637 * @exception DWTException <ul> |
|
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638 * <li>ERROR_GRAPHIC_DISPOSED - if the receiver has been disposed</li> |
|
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|
639 * </ul> |
| 45 | 640 * |
| 641 * @see #setWidth(int) | |
| 642 * @see #getLineBounds(int) | |
|
0
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643 */ |
|
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644 public Rectangle getBounds() { |
|
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|
645 checkLayout(); |
| 45 | 646 NSAutoreleasePool pool = null; |
|
46
cfa563df4fdd
Updated Widget and Display to 3.514
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647 if (!NSThread.isMainThread()) pool = cast(NSAutoreleasePool) (new NSAutoreleasePool()).alloc().init(); |
| 45 | 648 try { |
| 649 computeRuns(); | |
| 650 NSRect rect = layoutManager.usedRectForTextContainer(textContainer); | |
| 651 if (wrapWidth !is -1) rect.width = wrapWidth; | |
| 652 if (text.length() is 0) { | |
| 653 Font font = this.font !is null ? this.font : device.systemFont; | |
| 654 NSFont nsFont = font.handle; | |
| 655 rect.height = Math.max(rect.height, layoutManager.defaultLineHeightForFont(nsFont)); | |
| 656 } | |
| 657 rect.height = Math.max(rect.height, ascent + descent) + spacing; | |
| 658 return new Rectangle(0, 0, cast(int)rect.width, cast(int)rect.height); | |
| 659 } finally { | |
| 660 if (pool !is null) pool.release(); | |
|
0
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661 } |
|
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662 } |
|
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663 |
|
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|
664 /** |
|
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665 * Returns the bounds for the specified range of characters. The |
|
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|
666 * bounds is the smallest rectangle that encompasses all characters |
|
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667 * in the range. The start and end offsets are inclusive and will be |
|
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668 * clamped if out of range. |
|
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669 * |
|
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670 * @param start the start offset |
|
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671 * @param end the end offset |
|
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672 * @return the bounds of the character range |
|
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|
673 * |
|
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|
674 * @exception DWTException <ul> |
|
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675 * <li>ERROR_GRAPHIC_DISPOSED - if the receiver has been disposed</li> |
|
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676 * </ul> |
|
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677 */ |
|
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|
678 public Rectangle getBounds(int start, int end) { |
|
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|
679 checkLayout(); |
| 45 | 680 NSAutoreleasePool pool = null; |
|
46
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diff
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681 if (!NSThread.isMainThread()) pool = cast(NSAutoreleasePool) (new NSAutoreleasePool()).alloc().init(); |
| 45 | 682 try { |
| 683 computeRuns(); | |
| 684 int length = text.length(); | |
| 685 if (length is 0) return new Rectangle(0, 0, 0, 0); | |
| 686 if (start > end) return new Rectangle(0, 0, 0, 0); | |
| 687 start = Math.min(Math.max(0, start), length - 1); | |
| 688 end = Math.min(Math.max(0, end), length - 1); | |
| 689 start = translateOffset(start); | |
| 690 end = translateOffset(end); | |
|
37
642f460a0908
Fixed a lot of compile errors, a "hello world" app compiles now
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
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36
diff
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|
691 NSRange range = NSRange(); |
| 45 | 692 range.location = layoutManager.glyphIndexForCharacterAtIndex(start); |
| 693 range.length = layoutManager.glyphIndexForCharacterAtIndex(end + 1) - range.location; | |
| 694 NSRect rect = layoutManager.boundingRectForGlyphRange(range, textContainer); | |
| 7 | 695 return new Rectangle(cast(int)rect.x, cast(int)rect.y, cast(int)Math.ceil(rect.width), cast(int)Math.ceil(rect.height)); |
| 45 | 696 } finally { |
| 697 if (pool !is null) pool.release(); | |
| 698 } | |
|
0
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|
699 } |
|
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|
700 |
|
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|
701 /** |
|
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|
702 * Returns the descent of the receiver. |
|
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|
703 * |
|
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|
704 * @return the descent |
|
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|
705 * |
|
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|
706 * @exception DWTException <ul> |
|
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707 * <li>ERROR_GRAPHIC_DISPOSED - if the receiver has been disposed</li> |
|
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|
708 * </ul> |
|
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|
709 * |
|
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|
710 * @see #getAscent() |
|
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|
711 * @see #setAscent(int) |
|
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|
712 * @see #setDescent(int) |
|
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713 * @see #getLineMetrics(int) |
|
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|
714 */ |
|
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|
715 public int getDescent () { |
|
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|
716 checkLayout(); |
|
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717 return descent; |
|
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|
718 } |
|
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|
719 |
|
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|
720 /** |
|
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|
721 * Returns the default font currently being used by the receiver |
|
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|
722 * to draw and measure text. |
|
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|
723 * |
|
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|
724 * @return the receiver's font |
|
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|
725 * |
|
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|
726 * @exception DWTException <ul> |
|
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727 * <li>ERROR_GRAPHIC_DISPOSED - if the receiver has been disposed</li> |
|
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|
728 * </ul> |
|
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|
729 */ |
|
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|
730 public Font getFont () { |
|
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|
731 checkLayout(); |
|
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|
732 return font; |
|
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|
733 } |
|
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|
734 |
|
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|
735 /** |
|
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|
736 * Returns the receiver's indent. |
|
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|
737 * |
|
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|
738 * @return the receiver's indent |
|
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|
739 * |
|
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|
740 * @exception DWTException <ul> |
|
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|
741 * <li>ERROR_GRAPHIC_DISPOSED - if the receiver has been disposed</li> |
|
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|
742 * </ul> |
|
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|
743 * |
|
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|
744 * @since 3.2 |
|
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745 */ |
|
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746 public int getIndent () { |
|
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747 checkLayout(); |
|
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748 return indent; |
|
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749 } |
|
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750 |
|
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|
751 /** |
|
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752 * Returns the receiver's justification. |
|
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753 * |
|
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754 * @return the receiver's justification |
|
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755 * |
|
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756 * @exception DWTException <ul> |
|
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757 * <li>ERROR_GRAPHIC_DISPOSED - if the receiver has been disposed</li> |
|
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758 * </ul> |
|
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759 * |
|
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760 * @since 3.2 |
|
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761 */ |
|
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762 public bool getJustify () { |
|
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763 checkLayout(); |
|
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764 return justify; |
|
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765 } |
|
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766 |
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767 /** |
|
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768 * Returns the embedding level for the specified character offset. The |
|
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769 * embedding level is usually used to determine the directionality of a |
|
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770 * character in bidirectional text. |
|
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771 * |
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772 * @param offset the character offset |
|
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773 * @return the embedding level |
|
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774 * |
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775 * @exception IllegalArgumentException <ul> |
|
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776 * <li>ERROR_INVALID_ARGUMENT - if the character offset is out of range</li> |
|
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777 * </ul> |
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778 * @exception DWTException <ul> |
|
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779 * <li>ERROR_GRAPHIC_DISPOSED - if the receiver has been disposed</li> |
|
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780 */ |
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781 public int getLevel(int offset) { |
|
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|
782 checkLayout(); |
| 45 | 783 NSAutoreleasePool pool = null; |
|
46
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784 if (!NSThread.isMainThread()) pool = cast(NSAutoreleasePool) (new NSAutoreleasePool()).alloc().init(); |
| 45 | 785 try { |
| 786 computeRuns(); | |
| 787 int length = text.length(); | |
| 788 if (!(0 <= offset && offset <= length)) DWT.error(DWT.ERROR_INVALID_RANGE); | |
| 789 offset = translateOffset(offset); | |
| 790 int level = 0; | |
| 791 //TODO | |
| 792 return level; | |
| 793 } finally { | |
| 794 if (pool !is null) pool.release(); | |
| 795 } | |
|
0
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796 } |
|
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|
797 |
|
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|
798 /** |
|
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799 * Returns the line offsets. Each value in the array is the |
|
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800 * offset for the first character in a line except for the last |
|
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801 * value, which contains the length of the text. |
|
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802 * |
|
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803 * @return the line offsets |
|
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|
804 * |
|
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805 * @exception DWTException <ul> |
|
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806 * <li>ERROR_GRAPHIC_DISPOSED - if the receiver has been disposed</li> |
|
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|
807 * </ul> |
|
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|
808 */ |
|
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809 public int[] getLineOffsets() { |
|
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|
810 checkLayout (); |
| 45 | 811 NSAutoreleasePool pool = null; |
|
46
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diff
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812 if (!NSThread.isMainThread()) pool = cast(NSAutoreleasePool) (new NSAutoreleasePool()).alloc().init(); |
| 45 | 813 try { |
| 814 computeRuns(); | |
| 815 int[] offsets = new int[lineOffsets.length]; | |
| 816 for (int i = 0; i < offsets.length; i++) { | |
| 817 offsets[i] = untranslateOffset(lineOffsets[i]); | |
| 818 } | |
| 819 return offsets; | |
| 820 } finally { | |
| 821 if (pool !is null) pool.release(); | |
|
0
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|
822 } |
|
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823 } |
|
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|
824 |
|
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|
825 /** |
|
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826 * Returns the index of the line that contains the specified |
|
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827 * character offset. |
|
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|
828 * |
|
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829 * @param offset the character offset |
|
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830 * @return the line index |
|
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|
831 * |
|
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832 * @exception IllegalArgumentException <ul> |
|
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833 * <li>ERROR_INVALID_ARGUMENT - if the character offset is out of range</li> |
|
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|
834 * </ul> |
|
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835 * @exception DWTException <ul> |
|
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836 * <li>ERROR_GRAPHIC_DISPOSED - if the receiver has been disposed</li> |
|
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|
837 * </ul> |
|
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|
838 */ |
|
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|
839 public int getLineIndex(int offset) { |
|
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|
840 checkLayout (); |
| 45 | 841 NSAutoreleasePool pool = null; |
|
46
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diff
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|
842 if (!NSThread.isMainThread()) pool = cast(NSAutoreleasePool) (new NSAutoreleasePool()).alloc().init(); |
| 45 | 843 try { |
| 844 computeRuns(); | |
| 845 int length = text.length(); | |
| 846 if (!(0 <= offset && offset <= length)) DWT.error(DWT.ERROR_INVALID_RANGE); | |
| 847 offset = translateOffset(offset); | |
| 848 for (int line=0; line<lineOffsets.length - 1; line++) { | |
| 849 if (lineOffsets[line + 1] > offset) { | |
| 850 return line; | |
| 851 } | |
|
0
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|
852 } |
| 45 | 853 return lineBounds.length - 1; |
| 854 } finally { | |
| 855 if (pool !is null) pool.release(); | |
|
0
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|
856 } |
|
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|
857 } |
|
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|
858 |
|
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|
859 /** |
|
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|
860 * Returns the bounds of the line for the specified line index. |
|
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861 * |
|
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|
862 * @param lineIndex the line index |
|
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863 * @return the line bounds |
|
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|
864 * |
|
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|
865 * @exception IllegalArgumentException <ul> |
|
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866 * <li>ERROR_INVALID_ARGUMENT - if the line index is out of range</li> |
|
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|
867 * </ul> |
|
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868 * @exception DWTException <ul> |
|
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869 * <li>ERROR_GRAPHIC_DISPOSED - if the receiver has been disposed</li> |
|
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|
870 * </ul> |
|
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871 */ |
|
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872 public Rectangle getLineBounds(int lineIndex) { |
|
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|
873 checkLayout(); |
| 45 | 874 NSAutoreleasePool pool = null; |
|
46
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45
diff
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|
875 if (!NSThread.isMainThread()) pool = cast(NSAutoreleasePool) (new NSAutoreleasePool()).alloc().init(); |
| 45 | 876 try { |
| 877 computeRuns(); | |
| 878 if (!(0 <= lineIndex && lineIndex < lineBounds.length)) DWT.error(DWT.ERROR_INVALID_RANGE); | |
| 879 NSRect rect = lineBounds[lineIndex]; | |
| 7 | 880 return new Rectangle(cast(int)rect.x, cast(int)rect.y, cast(int)rect.width, cast(int)rect.height); |
| 45 | 881 } finally { |
| 882 if (pool !is null) pool.release(); | |
| 883 } | |
|
0
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|
884 } |
|
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|
885 |
|
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|
886 /** |
|
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|
887 * Returns the receiver's line count. This includes lines caused |
|
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|
888 * by wrapping. |
|
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|
889 * |
|
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|
890 * @return the line count |
|
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|
891 * |
|
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changeset
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892 * @exception DWTException <ul> |
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893 * <li>ERROR_GRAPHIC_DISPOSED - if the receiver has been disposed</li> |
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894 * </ul> |
|
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895 */ |
|
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896 public int getLineCount() { |
|
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897 checkLayout (); |
| 45 | 898 NSAutoreleasePool pool = null; |
|
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899 if (!NSThread.isMainThread()) pool = cast(NSAutoreleasePool) (new NSAutoreleasePool()).alloc().init(); |
| 45 | 900 try { |
| 901 computeRuns(); | |
| 902 return lineOffsets.length - 1; | |
| 903 } finally { | |
| 904 if (pool !is null) pool.release(); | |
| 905 } | |
|
0
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906 } |
|
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907 |
|
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908 /** |
|
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909 * Returns the font metrics for the specified line index. |
|
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910 * |
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911 * @param lineIndex the line index |
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912 * @return the font metrics |
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913 * |
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914 * @exception IllegalArgumentException <ul> |
|
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915 * <li>ERROR_INVALID_ARGUMENT - if the line index is out of range</li> |
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916 * </ul> |
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917 * @exception DWTException <ul> |
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918 * <li>ERROR_GRAPHIC_DISPOSED - if the receiver has been disposed</li> |
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919 * </ul> |
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920 */ |
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921 public FontMetrics getLineMetrics (int lineIndex) { |
|
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922 checkLayout (); |
| 45 | 923 NSAutoreleasePool pool = null; |
|
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924 if (!NSThread.isMainThread()) pool = cast(NSAutoreleasePool) (new NSAutoreleasePool()).alloc().init(); |
| 45 | 925 try { |
| 926 computeRuns(); | |
| 927 int lineCount = getLineCount(); | |
| 928 if (!(0 <= lineIndex && lineIndex < lineCount)) DWT.error(DWT.ERROR_INVALID_RANGE); | |
| 929 int length = text.length(); | |
| 930 if (length is 0) { | |
| 931 Font font = this.font !is null ? this.font : device.systemFont; | |
| 932 NSFont nsFont = font.handle; | |
| 7 | 933 int ascent = cast(int)(0.5f + nsFont.ascender()); |
| 934 int descent = cast(int)(0.5f + (-nsFont.descender() + nsFont.leading())); | |
| 45 | 935 ascent = Math.max(ascent, this.ascent); |
| 936 descent = Math.max(descent, this.descent); | |
| 937 return FontMetrics.cocoa_new(ascent, descent, 0, 0, ascent + descent); | |
| 938 } | |
| 939 Rectangle rect = getLineBounds(lineIndex); | |
| 940 int baseline = cast(int)layoutManager.typesetter().baselineOffsetInLayoutManager(layoutManager, getLineOffsets()[lineIndex]); | |
| 941 return FontMetrics.cocoa_new(rect.height - baseline, baseline, 0, 0, rect.height); | |
| 942 } finally { | |
| 943 if (pool !is null) pool.release(); | |
|
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944 } |
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945 } |
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946 |
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947 /** |
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948 * Returns the location for the specified character offset. The |
|
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949 * <code>trailing</code> argument indicates whether the offset |
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950 * corresponds to the leading or trailing edge of the cluster. |
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951 * |
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952 * @param offset the character offset |
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953 * @param trailing the trailing flag |
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954 * @return the location of the character offset |
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955 * |
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956 * @exception DWTException <ul> |
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957 * <li>ERROR_GRAPHIC_DISPOSED - if the receiver has been disposed</li> |
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958 * </ul> |
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959 * |
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960 * @see #getOffset(Point, int[]) |
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961 * @see #getOffset(int, int, int[]) |
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962 */ |
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963 public Point getLocation(int offset, bool trailing) { |
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964 checkLayout(); |
| 45 | 965 NSAutoreleasePool pool = null; |
|
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966 if (!NSThread.isMainThread()) pool = cast(NSAutoreleasePool) (new NSAutoreleasePool()).alloc().init(); |
| 45 | 967 try { |
| 968 computeRuns(); | |
| 969 int length = text.length(); | |
| 970 if (!(0 <= offset && offset <= length)) DWT.error(DWT.ERROR_INVALID_RANGE); | |
| 971 if (length is 0) return new Point(0, 0); | |
| 972 offset = translateOffset(offset); | |
|
37
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973 NSUInteger glyphIndex = layoutManager.glyphIndexForCharacterAtIndex(offset); |
|
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974 NSRect rect = layoutManager.lineFragmentUsedRectForGlyphAtIndex(glyphIndex, null); |
| 45 | 975 NSPoint point = layoutManager.locationForGlyphAtIndex(glyphIndex); |
| 976 if (trailing) { | |
|
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977 NSRange range = NSRange(); |
| 45 | 978 range.location = glyphIndex; |
| 979 range.length = 1; | |
| 980 NSRect bounds = layoutManager.boundingRectForGlyphRange(range, textContainer); | |
| 981 point.x += bounds.width; | |
| 982 } | |
| 983 return new Point(cast(int)point.x, cast(int)rect.y); | |
| 984 } finally { | |
| 985 if (pool !is null) pool.release(); | |
|
0
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986 } |
|
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987 } |
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988 |
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989 /** |
|
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990 * Returns the next offset for the specified offset and movement |
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991 * type. The movement is one of <code>DWT.MOVEMENT_CHAR</code>, |
|
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992 * <code>DWT.MOVEMENT_CLUSTER</code>, <code>DWT.MOVEMENT_WORD</code>, |
|
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993 * <code>DWT.MOVEMENT_WORD_END</code> or <code>DWT.MOVEMENT_WORD_START</code>. |
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994 * |
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995 * @param offset the start offset |
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996 * @param movement the movement type |
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997 * @return the next offset |
|
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998 * |
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999 * @exception IllegalArgumentException <ul> |
|
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1000 * <li>ERROR_INVALID_ARGUMENT - if the offset is out of range</li> |
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1001 * </ul> |
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1002 * @exception DWTException <ul> |
|
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1003 * <li>ERROR_GRAPHIC_DISPOSED - if the receiver has been disposed</li> |
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1004 * </ul> |
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1005 * |
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1006 * @see #getPreviousOffset(int, int) |
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1007 */ |
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1008 public int getNextOffset (int offset, int movement) { |
| 45 | 1009 NSAutoreleasePool pool = null; |
|
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1010 if (!NSThread.isMainThread()) pool = cast(NSAutoreleasePool) (new NSAutoreleasePool()).alloc().init(); |
| 45 | 1011 try { |
| 1012 return _getOffset(offset, movement, true); | |
| 1013 } finally { | |
| 1014 if (pool !is null) pool.release(); | |
| 1015 } | |
|
0
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1016 } |
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1017 |
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1018 int _getOffset (int offset, int movement, bool forward) { |
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1019 checkLayout(); |
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1020 computeRuns(); |
|
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1021 int length = text.length(); |
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1022 if (!(0 <= offset && offset <= length)) DWT.error(DWT.ERROR_INVALID_RANGE); |
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1023 if (length is 0) return 0; |
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1024 offset = translateOffset(offset); |
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1025 switch (movement) { |
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1026 case DWT.MOVEMENT_CLUSTER://TODO cluster |
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1027 case DWT.MOVEMENT_CHAR: { |
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1028 if (forward) { |
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1029 offset++; |
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1030 } else { |
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1031 offset--; |
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1032 } |
| 45 | 1033 return Math.max(0, Math.min(length, untranslateOffset(offset))); |
|
0
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1034 } |
|
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|
1035 case DWT.MOVEMENT_WORD: { |
|
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diff
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1036 return untranslateOffset(cast(int)/*64*/textStorage.nextWordFromIndex(offset, forward)); |
|
0
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1037 } |
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1038 case DWT.MOVEMENT_WORD_END: { |
|
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1039 NSRange range = textStorage.doubleClickAtIndex(length is offset ? length - 1 : offset); |
|
46
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1040 return untranslateOffset(cast(int)/*64*/(range.location + range.length)); |
|
0
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1041 } |
|
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1042 case DWT.MOVEMENT_WORD_START: { |
|
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1043 NSRange range = textStorage.doubleClickAtIndex(length is offset ? length - 1 : offset); |
|
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1044 return untranslateOffset(cast(int)/*64*/range.location); |
|
0
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1045 } |
|
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1046 default: |
|
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1047 break; |
|
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1048 } |
|
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1049 return -1; |
|
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1050 } |
|
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1051 |
|
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1052 /** |
|
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1053 * Returns the character offset for the specified point. |
|
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1054 * For a typical character, the trailing argument will be filled in to |
|
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1055 * indicate whether the point is closer to the leading edge (0) or |
|
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1056 * the trailing edge (1). When the point is over a cluster composed |
|
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1057 * of multiple characters, the trailing argument will be filled with the |
|
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1058 * position of the character in the cluster that is closest to |
|
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1059 * the point. |
|
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1060 * |
|
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1061 * @param point the point |
|
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1062 * @param trailing the trailing buffer |
|
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1063 * @return the character offset |
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1064 * |
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1065 * @exception IllegalArgumentException <ul> |
|
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1066 * <li>ERROR_INVALID_ARGUMENT - if the trailing length is less than <code>1</code></li> |
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1067 * <li>ERROR_NULL_ARGUMENT - if the point is null</li> |
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1068 * </ul> |
|
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1069 * @exception DWTException <ul> |
|
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1070 * <li>ERROR_GRAPHIC_DISPOSED - if the receiver has been disposed</li> |
|
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1071 * </ul> |
|
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1072 * |
|
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1073 * @see #getLocation(int, bool) |
|
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1074 */ |
|
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1075 public int getOffset(Point point, int[] trailing) { |
|
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1076 checkLayout(); |
| 45 | 1077 NSAutoreleasePool pool = null; |
|
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1078 if (!NSThread.isMainThread()) pool = cast(NSAutoreleasePool) (new NSAutoreleasePool()).alloc().init(); |
| 45 | 1079 try { |
| 1080 computeRuns(); | |
| 1081 if (point is null) DWT.error(DWT.ERROR_NULL_ARGUMENT); | |
| 1082 return getOffset(point.x, point.y, trailing); | |
| 1083 } finally { | |
| 1084 if (pool !is null) pool.release(); | |
| 1085 } | |
|
0
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1086 } |
|
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1087 |
|
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1088 /** |
|
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1089 * Returns the character offset for the specified point. |
|
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1090 * For a typical character, the trailing argument will be filled in to |
|
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1091 * indicate whether the point is closer to the leading edge (0) or |
|
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1092 * the trailing edge (1). When the point is over a cluster composed |
|
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1093 * of multiple characters, the trailing argument will be filled with the |
|
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1094 * position of the character in the cluster that is closest to |
|
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1095 * the point. |
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1096 * |
|
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1097 * @param x the x coordinate of the point |
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1098 * @param y the y coordinate of the point |
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1099 * @param trailing the trailing buffer |
|
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1100 * @return the character offset |
|
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1101 * |
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1102 * @exception IllegalArgumentException <ul> |
|
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1103 * <li>ERROR_INVALID_ARGUMENT - if the trailing length is less than <code>1</code></li> |
|
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1104 * </ul> |
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1105 * @exception DWTException <ul> |
|
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1106 * <li>ERROR_GRAPHIC_DISPOSED - if the receiver has been disposed</li> |
|
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1107 * </ul> |
|
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1108 * |
|
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1109 * @see #getLocation(int, bool) |
|
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1110 */ |
|
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1111 public int getOffset(int x, int y, int[] trailing) { |
|
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1112 checkLayout(); |
| 45 | 1113 NSAutoreleasePool pool = null; |
|
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1114 if (!NSThread.isMainThread()) pool = cast(NSAutoreleasePool) (new NSAutoreleasePool()).alloc().init(); |
| 45 | 1115 try { |
| 1116 computeRuns(); | |
| 1117 if (trailing !is null && trailing.length < 1) DWT.error(DWT.ERROR_INVALID_ARGUMENT); | |
| 1118 int length = text.length(); | |
| 1119 if (length is 0) return 0; | |
|
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diff
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|
1120 NSPoint pt = NSPoint(); |
| 45 | 1121 pt.x = x; |
| 1122 pt.y = y; | |
|
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1123 Carbon.CGFloat partialFration; |
| 45 | 1124 NSUInteger glyphIndex = layoutManager.glyphIndexForPoint(pt, textContainer, &partialFration); |
|
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1125 NSUInteger offset = layoutManager.characterIndexForGlyphAtIndex(glyphIndex); |
|
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diff
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|
1126 if (trailing !is null) trailing[0] = cast(int) Math.round(partialFration); |
|
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1127 return Math.min(untranslateOffset(cast(int)/*64*/offset), length - 1); |
| 45 | 1128 } finally { |
| 1129 if (pool !is null) pool.release(); | |
| 1130 } | |
|
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1131 } |
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1132 |
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1133 /** |
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1134 * Returns the orientation of the receiver. |
|
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1135 * |
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1136 * @return the orientation style |
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1137 * |
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1138 * @exception DWTException <ul> |
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1139 * <li>ERROR_GRAPHIC_DISPOSED - if the receiver has been disposed</li> |
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1140 * </ul> |
|
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1141 */ |
|
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1142 public int getOrientation() { |
|
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1143 checkLayout(); |
|
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1144 return orientation; |
|
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1145 } |
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1146 |
|
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1147 /** |
|
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1148 * Returns the previous offset for the specified offset and movement |
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1149 * type. The movement is one of <code>DWT.MOVEMENT_CHAR</code>, |
|
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1150 * <code>DWT.MOVEMENT_CLUSTER</code> or <code>DWT.MOVEMENT_WORD</code>, |
|
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1151 * <code>DWT.MOVEMENT_WORD_END</code> or <code>DWT.MOVEMENT_WORD_START</code>. |
|
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1152 * |
|
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1153 * @param offset the start offset |
|
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1154 * @param movement the movement type |
|
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1155 * @return the previous offset |
|
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1156 * |
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1157 * @exception IllegalArgumentException <ul> |
|
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1158 * <li>ERROR_INVALID_ARGUMENT - if the offset is out of range</li> |
|
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1159 * </ul> |
|
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1160 * @exception DWTException <ul> |
|
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1161 * <li>ERROR_GRAPHIC_DISPOSED - if the receiver has been disposed</li> |
|
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1162 * </ul> |
|
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1163 * |
|
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1164 * @see #getNextOffset(int, int) |
|
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|
1165 */ |
|
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|
1166 public int getPreviousOffset (int index, int movement) { |
| 45 | 1167 NSAutoreleasePool pool = null; |
|
46
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Updated Widget and Display to 3.514
Jacob Carlborg <doob@me.com>
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|
1168 if (!NSThread.isMainThread()) pool = cast(NSAutoreleasePool) (new NSAutoreleasePool()).alloc().init(); |
| 45 | 1169 try { |
| 1170 return _getOffset(index, movement, false); | |
| 1171 } finally { | |
| 1172 if (pool !is null) pool.release(); | |
| 1173 } | |
|
0
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|
1174 } |
|
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|
1175 |
|
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|
1176 /** |
|
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|
1177 * Gets the ranges of text that are associated with a <code>TextStyle</code>. |
|
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|
1178 * |
|
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1179 * @return the ranges, an array of offsets representing the start and end of each |
|
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|
1180 * text style. |
|
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|
1181 * |
|
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1182 * @exception DWTException <ul> |
|
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1183 * <li>ERROR_GRAPHIC_DISPOSED - if the receiver has been disposed</li> |
|
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|
1184 * </ul> |
|
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1185 * |
|
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|
1186 * @see #getStyles() |
|
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|
1187 * |
|
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1188 * @since 3.2 |
|
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|
1189 */ |
|
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|
1190 public int[] getRanges () { |
|
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|
1191 checkLayout(); |
|
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1192 int[] result = new int[styles.length * 2]; |
|
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|
1193 int count = 0; |
|
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|
1194 for (int i=0; i<styles.length - 1; i++) { |
|
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|
1195 if (styles[i].style !is null) { |
|
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|
1196 result[count++] = styles[i].start; |
|
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|
1197 result[count++] = styles[i + 1].start - 1; |
|
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|
1198 } |
|
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|
1199 } |
|
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|
1200 if (count !is result.length) { |
|
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|
1201 int[] newResult = new int[count]; |
|
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|
1202 System.arraycopy(result, 0, newResult, 0, count); |
|
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|
1203 result = newResult; |
|
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|
1204 } |
|
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|
1205 return result; |
|
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|
1206 } |
|
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|
1207 |
|
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Upload of whole dwt tree
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|
1208 /** |
|
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|
1209 * Returns the text segments offsets of the receiver. |
|
380af2bdd8e5
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|
1210 * |
|
380af2bdd8e5
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Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
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|
1211 * @return the text segments offsets |
|
380af2bdd8e5
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|
1212 * |
|
380af2bdd8e5
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|
1213 * @exception DWTException <ul> |
|
380af2bdd8e5
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|
1214 * <li>ERROR_GRAPHIC_DISPOSED - if the receiver has been disposed</li> |
|
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|
1215 * </ul> |
|
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|
1216 */ |
|
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|
1217 public int[] getSegments() { |
|
380af2bdd8e5
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|
1218 checkLayout(); |
|
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|
1219 return segments; |
|
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|
1220 } |
|
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|
1221 |
|
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Upload of whole dwt tree
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|
1222 /** |
|
380af2bdd8e5
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Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
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|
1223 * Returns the line spacing of the receiver. |
|
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|
1224 * |
|
380af2bdd8e5
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|
1225 * @return the line spacing |
|
380af2bdd8e5
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parents:
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|
1226 * |
|
380af2bdd8e5
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Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
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|
1227 * @exception DWTException <ul> |
|
380af2bdd8e5
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|
1228 * <li>ERROR_GRAPHIC_DISPOSED - if the receiver has been disposed</li> |
|
380af2bdd8e5
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|
1229 * </ul> |
|
380af2bdd8e5
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|
1230 */ |
|
380af2bdd8e5
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Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
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diff
changeset
|
1231 public int getSpacing () { |
|
380af2bdd8e5
Upload of whole dwt tree
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parents:
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|
1232 checkLayout(); |
|
380af2bdd8e5
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changeset
|
1233 return spacing; |
|
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|
1234 } |
|
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|
1235 |
|
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changeset
|
1236 /** |
|
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Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
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|
1237 * Gets the style of the receiver at the specified character offset. |
|
380af2bdd8e5
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|
1238 * |
|
380af2bdd8e5
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Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
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|
1239 * @param offset the text offset |
|
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|
1240 * @return the style or <code>null</code> if not set |
|
380af2bdd8e5
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|
1241 * |
|
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|
1242 * @exception IllegalArgumentException <ul> |
|
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|
1243 * <li>ERROR_INVALID_ARGUMENT - if the character offset is out of range</li> |
|
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|
1244 * </ul> |
|
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|
1245 * @exception DWTException <ul> |
|
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|
1246 * <li>ERROR_GRAPHIC_DISPOSED - if the receiver has been disposed</li> |
|
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|
1247 * </ul> |
|
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|
1248 */ |
|
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|
1249 public TextStyle getStyle (int offset) { |
|
380af2bdd8e5
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changeset
|
1250 checkLayout(); |
|
380af2bdd8e5
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changeset
|
1251 int length = text.length(); |
|
380af2bdd8e5
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Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
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changeset
|
1252 if (!(0 <= offset && offset < length)) DWT.error(DWT.ERROR_INVALID_RANGE); |
|
380af2bdd8e5
Upload of whole dwt tree
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changeset
|
1253 for (int i=1; i<styles.length; i++) { |
|
380af2bdd8e5
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changeset
|
1254 StyleItem item = styles[i]; |
|
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parents:
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changeset
|
1255 if (item.start > offset) { |
|
380af2bdd8e5
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parents:
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changeset
|
1256 return styles[i - 1].style; |
|
380af2bdd8e5
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changeset
|
1257 } |
|
380af2bdd8e5
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changeset
|
1258 } |
|
380af2bdd8e5
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diff
changeset
|
1259 return null; |
|
380af2bdd8e5
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|
1260 } |
|
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changeset
|
1261 |
|
380af2bdd8e5
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changeset
|
1262 /** |
|
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changeset
|
1263 * Gets all styles of the receiver. |
|
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|
1264 * |
|
380af2bdd8e5
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|
1265 * @return the styles |
|
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|
1266 * |
|
380af2bdd8e5
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|
1267 * @exception DWTException <ul> |
|
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|
1268 * <li>ERROR_GRAPHIC_DISPOSED - if the receiver has been disposed</li> |
|
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changeset
|
1269 * </ul> |
|
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changeset
|
1270 * |
|
380af2bdd8e5
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changeset
|
1271 * @see #getRanges() |
|
380af2bdd8e5
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|
1272 * |
|
380af2bdd8e5
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changeset
|
1273 * @since 3.2 |
|
380af2bdd8e5
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parents:
diff
changeset
|
1274 */ |
|
380af2bdd8e5
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parents:
diff
changeset
|
1275 public TextStyle[] getStyles () { |
|
380af2bdd8e5
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parents:
diff
changeset
|
1276 checkLayout(); |
|
380af2bdd8e5
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parents:
diff
changeset
|
1277 TextStyle[] result = new TextStyle[styles.length]; |
|
380af2bdd8e5
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parents:
diff
changeset
|
1278 int count = 0; |
|
380af2bdd8e5
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Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff
changeset
|
1279 for (int i=0; i<styles.length; i++) { |
|
380af2bdd8e5
Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff
changeset
|
1280 if (styles[i].style !is null) { |
|
380af2bdd8e5
Upload of whole dwt tree
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parents:
diff
changeset
|
1281 result[count++] = styles[i].style; |
|
380af2bdd8e5
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parents:
diff
changeset
|
1282 } |
|
380af2bdd8e5
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|
1283 } |
|
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|
1284 if (count !is result.length) { |
|
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|
1285 TextStyle[] newResult = new TextStyle[count]; |
|
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|
1286 System.arraycopy(result, 0, newResult, 0, count); |
|
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1287 result = newResult; |
|
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|
1288 } |
|
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|
1289 return result; |
|
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|
1290 } |
|
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|
1291 |
|
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|
1292 /** |
|
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1293 * Returns the tab list of the receiver. |
|
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|
1294 * |
|
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|
1295 * @return the tab list |
|
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1296 * |
|
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1297 * @exception DWTException <ul> |
|
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1298 * <li>ERROR_GRAPHIC_DISPOSED - if the receiver has been disposed</li> |
|
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|
1299 * </ul> |
|
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1300 */ |
|
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1301 public int[] getTabs() { |
|
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1302 checkLayout(); |
|
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1303 return tabs; |
|
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|
1304 } |
|
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|
1305 |
|
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|
1306 /** |
|
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1307 * Gets the receiver's text, which will be an empty |
|
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1308 * string if it has never been set. |
|
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1309 * |
|
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1310 * @return the receiver's text |
|
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1311 * |
|
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1312 * @exception DWTException <ul> |
|
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1313 * <li>ERROR_GRAPHIC_DISPOSED - if the receiver has been disposed</li> |
|
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1314 * </ul> |
|
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1315 */ |
|
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1316 public String getText () { |
|
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|
1317 checkLayout (); |
|
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1318 return text; |
|
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|
1319 } |
|
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|
1320 |
|
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|
1321 /** |
|
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1322 * Returns the width of the receiver. |
|
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1323 * |
|
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1324 * @return the width |
|
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|
1325 * |
|
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1326 * @exception DWTException <ul> |
|
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1327 * <li>ERROR_GRAPHIC_DISPOSED - if the receiver has been disposed</li> |
|
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|
1328 * </ul> |
|
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|
1329 */ |
|
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1330 public int getWidth () { |
|
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|
1331 checkLayout(); |
|
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1332 return wrapWidth; |
|
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|
1333 } |
|
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|
1334 |
|
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|
1335 /** |
|
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1336 * Returns <code>true</code> if the text layout has been disposed, |
|
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1337 * and <code>false</code> otherwise. |
|
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|
1338 * <p> |
|
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|
1339 * This method gets the dispose state for the text layout. |
|
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1340 * When a text layout has been disposed, it is an error to |
|
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|
1341 * invoke any other method using the text layout. |
|
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|
1342 * </p> |
|
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|
1343 * |
|
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|
1344 * @return <code>true</code> when the text layout is disposed and <code>false</code> otherwise |
|
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|
1345 */ |
|
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|
1346 public bool isDisposed () { |
|
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1347 return device is null; |
|
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|
1348 } |
|
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|
1349 |
|
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|
1350 /** |
|
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|
1351 * Sets the text alignment for the receiver. The alignment controls |
|
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|
1352 * how a line of text is positioned horizontally. The argument should |
|
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|
1353 * be one of <code>DWT.LEFT</code>, <code>DWT.RIGHT</code> or <code>DWT.CENTER</code>. |
|
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|
1354 * <p> |
|
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1355 * The default alignment is <code>DWT.LEFT</code>. Note that the receiver's |
|
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1356 * width must be set in order to use <code>DWT.RIGHT</code> or <code>DWT.CENTER</code> |
|
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|
1357 * alignment. |
|
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|
1358 * </p> |
|
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|
1359 * |
|
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|
1360 * @param alignment the new alignment |
|
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|
1361 * |
|
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|
1362 * @exception DWTException <ul> |
|
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|
1363 * <li>ERROR_GRAPHIC_DISPOSED - if the receiver has been disposed</li> |
|
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|
1364 * </ul> |
|
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|
1365 * |
|
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|
1366 * @see #setWidth(int) |
|
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|
1367 */ |
|
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|
1368 public void setAlignment (int alignment) { |
|
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|
1369 checkLayout(); |
|
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|
1370 int mask = DWT.LEFT | DWT.CENTER | DWT.RIGHT; |
|
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|
1371 alignment &= mask; |
|
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|
1372 if (alignment is 0) return; |
|
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|
1373 if ((alignment & DWT.LEFT) !is 0) alignment = DWT.LEFT; |
|
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|
1374 if ((alignment & DWT.RIGHT) !is 0) alignment = DWT.RIGHT; |
|
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|
1375 if (this.alignment is alignment) return; |
| 45 | 1376 NSAutoreleasePool pool = null; |
|
46
cfa563df4fdd
Updated Widget and Display to 3.514
Jacob Carlborg <doob@me.com>
parents:
45
diff
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|
1377 if (!NSThread.isMainThread()) pool = cast(NSAutoreleasePool) (new NSAutoreleasePool()).alloc().init(); |
| 45 | 1378 try { |
| 1379 freeRuns(); | |
| 1380 this.alignment = alignment; | |
| 1381 } finally { | |
| 1382 if (pool !is null) pool.release(); | |
| 1383 } | |
|
0
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|
1384 } |
|
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|
1385 |
|
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|
1386 /** |
|
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|
1387 * Sets the ascent of the receiver. The ascent is distance in pixels |
|
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|
1388 * from the baseline to the top of the line and it is applied to all |
|
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|
1389 * lines. The default value is <code>-1</code> which means that the |
|
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|
1390 * ascent is calculated from the line fonts. |
|
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|
1391 * |
|
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|
1392 * @param ascent the new ascent |
|
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|
1393 * |
|
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|
1394 * @exception IllegalArgumentException <ul> |
|
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|
1395 * <li>ERROR_INVALID_ARGUMENT - if the ascent is less than <code>-1</code></li> |
|
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|
1396 * </ul> |
|
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|
1397 * @exception DWTException <ul> |
|
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|
1398 * <li>ERROR_GRAPHIC_DISPOSED - if the receiver has been disposed</li> |
|
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|
1399 * </ul> |
|
380af2bdd8e5
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|
1400 * |
|
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|
1401 * @see #setDescent(int) |
|
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|
1402 * @see #getLineMetrics(int) |
|
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|
1403 */ |
|
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|
1404 public void setAscent (int ascent) { |
|
380af2bdd8e5
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|
1405 checkLayout (); |
|
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|
1406 if (ascent < -1) DWT.error(DWT.ERROR_INVALID_ARGUMENT); |
|
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|
1407 if (this.ascent is ascent) return; |
| 45 | 1408 NSAutoreleasePool pool = null; |
|
46
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Updated Widget and Display to 3.514
Jacob Carlborg <doob@me.com>
parents:
45
diff
changeset
|
1409 if (!NSThread.isMainThread()) pool = cast(NSAutoreleasePool) (new NSAutoreleasePool()).alloc().init(); |
| 45 | 1410 try { |
| 1411 freeRuns(); | |
| 1412 this.ascent = ascent; | |
| 1413 } finally { | |
| 1414 if (pool !is null) pool.release(); | |
| 1415 } | |
|
0
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|
1416 } |
|
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|
1417 |
|
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|
1418 /** |
|
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|
1419 * Sets the descent of the receiver. The descent is distance in pixels |
|
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|
1420 * from the baseline to the bottom of the line and it is applied to all |
|
380af2bdd8e5
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|
1421 * lines. The default value is <code>-1</code> which means that the |
|
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|
1422 * descent is calculated from the line fonts. |
|
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|
1423 * |
|
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|
1424 * @param descent the new descent |
|
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|
1425 * |
|
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|
1426 * @exception IllegalArgumentException <ul> |
|
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|
1427 * <li>ERROR_INVALID_ARGUMENT - if the descent is less than <code>-1</code></li> |
|
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|
1428 * </ul> |
|
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|
1429 * @exception DWTException <ul> |
|
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1430 * <li>ERROR_GRAPHIC_DISPOSED - if the receiver has been disposed</li> |
|
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|
1431 * </ul> |
|
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|
1432 * |
|
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|
1433 * @see #setAscent(int) |
|
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|
1434 * @see #getLineMetrics(int) |
|
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|
1435 */ |
|
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|
1436 public void setDescent (int descent) { |
|
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|
1437 checkLayout (); |
|
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|
1438 if (descent < -1) DWT.error(DWT.ERROR_INVALID_ARGUMENT); |
|
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|
1439 if (this.descent is descent) return; |
| 45 | 1440 NSAutoreleasePool pool = null; |
|
46
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Updated Widget and Display to 3.514
Jacob Carlborg <doob@me.com>
parents:
45
diff
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|
1441 if (!NSThread.isMainThread()) pool = cast(NSAutoreleasePool) (new NSAutoreleasePool()).alloc().init(); |
| 45 | 1442 try { |
| 1443 freeRuns(); | |
| 1444 this.descent = descent; | |
| 1445 } finally { | |
| 1446 if (pool !is null) pool.release(); | |
| 1447 } | |
|
0
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|
1448 } |
|
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|
1449 |
|
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|
1450 /** |
|
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|
1451 * Sets the default font which will be used by the receiver |
|
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|
1452 * to draw and measure text. If the |
|
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|
1453 * argument is null, then a default font appropriate |
|
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|
1454 * for the platform will be used instead. Note that a text |
|
380af2bdd8e5
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Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
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|
1455 * style can override the default font. |
|
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|
1456 * |
|
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|
1457 * @param font the new font for the receiver, or null to indicate a default font |
|
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|
1458 * |
|
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|
1459 * @exception IllegalArgumentException <ul> |
|
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|
1460 * <li>ERROR_INVALID_ARGUMENT - if the font has been disposed</li> |
|
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|
1461 * </ul> |
|
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|
1462 * @exception DWTException <ul> |
|
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|
1463 * <li>ERROR_GRAPHIC_DISPOSED - if the receiver has been disposed</li> |
|
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|
1464 * </ul> |
|
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|
1465 */ |
|
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|
1466 public void setFont (Font font) { |
|
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|
1467 checkLayout (); |
|
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|
1468 if (font !is null && font.isDisposed()) DWT.error(DWT.ERROR_INVALID_ARGUMENT); |
|
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|
1469 Font oldFont = this.font; |
|
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parents:
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changeset
|
1470 if (oldFont is font) return; |
|
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|
1471 this.font = font; |
|
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parents:
diff
changeset
|
1472 if (oldFont !is null && oldFont.equals(font)) return; |
| 45 | 1473 NSAutoreleasePool pool = null; |
|
46
cfa563df4fdd
Updated Widget and Display to 3.514
Jacob Carlborg <doob@me.com>
parents:
45
diff
changeset
|
1474 if (!NSThread.isMainThread()) pool = cast(NSAutoreleasePool) (new NSAutoreleasePool()).alloc().init(); |
| 45 | 1475 try { |
| 1476 freeRuns(); | |
| 1477 } finally { | |
| 1478 if (pool !is null) pool.release(); | |
| 1479 } | |
|
0
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|
1480 } |
|
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|
1481 |
|
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|
1482 /** |
|
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|
1483 * Sets the indent of the receiver. This indent it applied of the first line of |
|
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|
1484 * each paragraph. |
|
380af2bdd8e5
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|
1485 * |
|
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|
1486 * @param indent new indent |
|
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|
1487 * |
|
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|
1488 * @exception DWTException <ul> |
|
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|
1489 * <li>ERROR_GRAPHIC_DISPOSED - if the receiver has been disposed</li> |
|
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|
1490 * </ul> |
|
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|
1491 * |
|
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|
1492 * @since 3.2 |
|
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|
1493 */ |
|
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|
1494 public void setIndent (int indent) { |
|
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|
1495 checkLayout (); |
|
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|
1496 if (indent < 0) return; |
|
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|
1497 if (this.indent is indent) return; |
| 45 | 1498 NSAutoreleasePool pool = null; |
|
46
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Updated Widget and Display to 3.514
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parents:
45
diff
changeset
|
1499 if (!NSThread.isMainThread()) pool = cast(NSAutoreleasePool) (new NSAutoreleasePool()).alloc().init(); |
| 45 | 1500 try { |
| 1501 freeRuns(); | |
| 1502 this.indent = indent; | |
| 1503 } finally { | |
| 1504 if (pool !is null) pool.release(); | |
| 1505 } | |
|
0
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|
1506 } |
|
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|
1507 |
|
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|
1508 /** |
|
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|
1509 * Sets the justification of the receiver. Note that the receiver's |
|
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|
1510 * width must be set in order to use justification. |
|
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|
1511 * |
|
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|
1512 * @param justify new justify |
|
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|
1513 * |
|
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|
1514 * @exception DWTException <ul> |
|
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|
1515 * <li>ERROR_GRAPHIC_DISPOSED - if the receiver has been disposed</li> |
|
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|
1516 * </ul> |
|
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|
1517 * |
|
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|
1518 * @since 3.2 |
|
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|
1519 */ |
|
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|
1520 public void setJustify (bool justify) { |
|
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|
1521 checkLayout (); |
|
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|
1522 if (justify is this.justify) return; |
| 45 | 1523 NSAutoreleasePool pool = null; |
|
46
cfa563df4fdd
Updated Widget and Display to 3.514
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parents:
45
diff
changeset
|
1524 if (!NSThread.isMainThread()) pool = cast(NSAutoreleasePool) (new NSAutoreleasePool()).alloc().init(); |
| 45 | 1525 try { |
| 1526 freeRuns(); | |
| 1527 this.justify = justify; | |
| 1528 } finally { | |
| 1529 if (pool !is null) pool.release(); | |
| 1530 } | |
|
0
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|
1531 } |
|
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|
1532 |
|
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changeset
|
1533 /** |
|
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|
1534 * Sets the orientation of the receiver, which must be one |
|
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|
1535 * of <code>DWT.LEFT_TO_RIGHT</code> or <code>DWT.RIGHT_TO_LEFT</code>. |
|
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|
1536 * |
|
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|
1537 * @param orientation new orientation style |
|
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|
1538 * |
|
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|
1539 * @exception DWTException <ul> |
|
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1540 * <li>ERROR_GRAPHIC_DISPOSED - if the receiver has been disposed</li> |
|
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|
1541 * </ul> |
|
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|
1542 */ |
|
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|
1543 public void setOrientation(int orientation) { |
|
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|
1544 checkLayout(); |
|
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|
1545 int mask = DWT.LEFT_TO_RIGHT | DWT.RIGHT_TO_LEFT; |
|
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|
1546 orientation &= mask; |
|
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|
1547 if (orientation is 0) return; |
|
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|
1548 if ((orientation & DWT.LEFT_TO_RIGHT) !is 0) orientation = DWT.LEFT_TO_RIGHT; |
|
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|
1549 if (this.orientation is orientation) return; |
|
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|
1550 this.orientation = orientation; |
| 45 | 1551 NSAutoreleasePool pool = null; |
|
46
cfa563df4fdd
Updated Widget and Display to 3.514
Jacob Carlborg <doob@me.com>
parents:
45
diff
changeset
|
1552 if (!NSThread.isMainThread()) pool = cast(NSAutoreleasePool) (new NSAutoreleasePool()).alloc().init(); |
| 45 | 1553 try { |
| 1554 freeRuns(); | |
| 1555 } finally { | |
| 1556 if (pool !is null) pool.release(); | |
| 1557 } | |
|
0
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|
1558 } |
|
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|
1559 |
|
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|
1560 /** |
|
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1561 * Sets the offsets of the receiver's text segments. Text segments are used to |
|
380af2bdd8e5
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|
1562 * override the default behaviour of the bidirectional algorithm. |
|
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1563 * Bidirectional reordering can happen within a text segment but not |
|
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1564 * between two adjacent segments. |
|
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|
1565 * <p> |
|
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1566 * Each text segment is determined by two consecutive offsets in the |
|
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|
1567 * <code>segments</code> arrays. The first element of the array should |
|
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1568 * always be zero and the last one should always be equals to length of |
|
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1569 * the text. |
|
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|
1570 * </p> |
|
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|
1571 * |
|
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1572 * @param segments the text segments offset |
|
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|
1573 * |
|
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1574 * @exception DWTException <ul> |
|
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1575 * <li>ERROR_GRAPHIC_DISPOSED - if the receiver has been disposed</li> |
|
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|
1576 * </ul> |
|
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|
1577 */ |
|
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|
1578 public void setSegments(int[] segments) { |
|
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|
1579 checkLayout(); |
|
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|
1580 if (this.segments is null && segments is null) return; |
|
36
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Fixed a lot of compile errors
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
7
diff
changeset
|
1581 if (this.segments !is null && segments !is null) { |
|
0
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|
1582 if (this.segments.length is segments.length) { |
|
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|
1583 int i; |
|
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|
1584 for (i = 0; i <segments.length; i++) { |
|
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|
1585 if (this.segments[i] !is segments[i]) break; |
|
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|
1586 } |
|
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|
1587 if (i is segments.length) return; |
|
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|
1588 } |
|
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|
1589 } |
| 45 | 1590 NSAutoreleasePool pool = null; |
|
46
cfa563df4fdd
Updated Widget and Display to 3.514
Jacob Carlborg <doob@me.com>
parents:
45
diff
changeset
|
1591 if (!NSThread.isMainThread()) pool = cast(NSAutoreleasePool) (new NSAutoreleasePool()).alloc().init(); |
| 45 | 1592 try { |
| 1593 freeRuns(); | |
| 1594 this.segments = segments; | |
| 1595 } finally { | |
| 1596 if (pool !is null) pool.release(); | |
| 1597 } | |
|
0
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|
1598 } |
|
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|
1599 |
|
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|
1600 /** |
|
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|
1601 * Sets the line spacing of the receiver. The line spacing |
|
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1602 * is the space left between lines. |
|
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|
1603 * |
|
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|
1604 * @param spacing the new line spacing |
|
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|
1605 * |
|
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|
1606 * @exception IllegalArgumentException <ul> |
|
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1607 * <li>ERROR_INVALID_ARGUMENT - if the spacing is negative</li> |
|
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|
1608 * </ul> |
|
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1609 * @exception DWTException <ul> |
|
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1610 * <li>ERROR_GRAPHIC_DISPOSED - if the receiver has been disposed</li> |
|
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|
1611 * </ul> |
|
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|
1612 */ |
|
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|
1613 public void setSpacing (int spacing) { |
|
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|
1614 checkLayout(); |
|
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|
1615 if (spacing < 0) DWT.error(DWT.ERROR_INVALID_ARGUMENT); |
|
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|
1616 if (this.spacing is spacing) return; |
| 45 | 1617 NSAutoreleasePool pool = null; |
|
46
cfa563df4fdd
Updated Widget and Display to 3.514
Jacob Carlborg <doob@me.com>
parents:
45
diff
changeset
|
1618 if (!NSThread.isMainThread()) pool = cast(NSAutoreleasePool) (new NSAutoreleasePool()).alloc().init(); |
| 45 | 1619 try { |
| 1620 freeRuns(); | |
| 1621 this.spacing = spacing; | |
| 1622 } finally { | |
| 1623 if (pool !is null) pool.release(); | |
| 1624 } | |
|
0
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|
1625 } |
|
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|
1626 |
|
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|
1627 /** |
|
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1628 * Sets the style of the receiver for the specified range. Styles previously |
|
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|
1629 * set for that range will be overwritten. The start and end offsets are |
|
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|
1630 * inclusive and will be clamped if out of range. |
|
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|
1631 * |
|
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|
1632 * @param style the style |
|
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1633 * @param start the start offset |
|
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|
1634 * @param end the end offset |
|
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|
1635 * |
|
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1636 * @exception DWTException <ul> |
|
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1637 * <li>ERROR_GRAPHIC_DISPOSED - if the receiver has been disposed</li> |
|
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|
1638 * </ul> |
|
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|
1639 */ |
|
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|
1640 public void setStyle (TextStyle style, int start, int end) { |
|
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|
1641 checkLayout(); |
| 45 | 1642 NSAutoreleasePool pool = null; |
|
46
cfa563df4fdd
Updated Widget and Display to 3.514
Jacob Carlborg <doob@me.com>
parents:
45
diff
changeset
|
1643 if (!NSThread.isMainThread()) pool = cast(NSAutoreleasePool) (new NSAutoreleasePool()).alloc().init(); |
| 45 | 1644 try { |
| 1645 int length = text.length(); | |
| 1646 if (length is 0) return; | |
| 1647 if (start > end) return; | |
| 1648 start = Math.min(Math.max(0, start), length - 1); | |
| 1649 end = Math.min(Math.max(0, end), length - 1); | |
| 1650 int low = -1; | |
| 1651 int high = styles.length; | |
| 1652 while (high - low > 1) { | |
| 1653 int index = (high + low) / 2; | |
| 1654 if (styles[index + 1].start > start) { | |
| 1655 high = index; | |
| 1656 } else { | |
| 1657 low = index; | |
| 1658 } | |
|
0
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|
1659 } |
| 45 | 1660 if (0 <= high && high < styles.length) { |
| 1661 StyleItem item = styles[high]; | |
| 1662 if (item.start is start && styles[high + 1].start - 1 is end) { | |
| 1663 if (style is null) { | |
| 1664 if (item.style is null) return; | |
| 1665 } else { | |
| 1666 if (style.equals(item.style)) return; | |
| 1667 } | |
|
0
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|
1668 } |
|
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|
1669 } |
| 45 | 1670 freeRuns(); |
| 1671 int modifyStart = high; | |
| 1672 int modifyEnd = modifyStart; | |
| 1673 while (modifyEnd < styles.length) { | |
| 1674 if (styles[modifyEnd + 1].start > end) break; | |
| 1675 modifyEnd++; | |
|
0
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|
1676 } |
| 45 | 1677 if (modifyStart is modifyEnd) { |
| 1678 int styleStart = styles[modifyStart].start; | |
| 1679 int styleEnd = styles[modifyEnd + 1].start - 1; | |
| 1680 if (styleStart is start && styleEnd is end) { | |
| 1681 styles[modifyStart].style = style; | |
| 1682 return; | |
| 1683 } | |
| 1684 if (styleStart !is start && styleEnd !is end) { | |
| 1685 StyleItem[] newStyles = new StyleItem[styles.length + 2]; | |
| 1686 System.arraycopy(styles, 0, newStyles, 0, modifyStart + 1); | |
| 1687 StyleItem item = new StyleItem(); | |
| 1688 item.start = start; | |
| 1689 item.style = style; | |
| 1690 newStyles[modifyStart + 1] = item; | |
| 1691 item = new StyleItem(); | |
| 1692 item.start = end + 1; | |
| 1693 item.style = styles[modifyStart].style; | |
| 1694 newStyles[modifyStart + 2] = item; | |
| 1695 System.arraycopy(styles, modifyEnd + 1, newStyles, modifyEnd + 3, styles.length - modifyEnd - 1); | |
| 1696 styles = newStyles; | |
| 1697 return; | |
| 1698 } | |
|
0
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|
1699 } |
| 45 | 1700 if (start is styles[modifyStart].start) modifyStart--; |
| 1701 if (end is styles[modifyEnd + 1].start - 1) modifyEnd++; | |
| 1702 int newLength = styles.length + 1 - (modifyEnd - modifyStart - 1); | |
| 1703 StyleItem[] newStyles = new StyleItem[newLength]; | |
| 1704 System.arraycopy(styles, 0, newStyles, 0, modifyStart + 1); | |
| 1705 StyleItem item = new StyleItem(); | |
| 1706 item.start = start; | |
| 1707 item.style = style; | |
| 1708 newStyles[modifyStart + 1] = item; | |
| 1709 styles[modifyEnd].start = end + 1; | |
| 1710 System.arraycopy(styles, modifyEnd, newStyles, modifyStart + 2, styles.length - modifyEnd); | |
| 1711 styles = newStyles; | |
| 1712 } finally { | |
| 1713 if (pool !is null) pool.release(); | |
|
0
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|
1714 } |
|
380af2bdd8e5
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|
1715 } |
|
380af2bdd8e5
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|
1716 |
|
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|
1717 /** |
|
380af2bdd8e5
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|
1718 * Sets the receiver's tab list. Each value in the tab list specifies |
|
380af2bdd8e5
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|
1719 * the space in pixels from the origin of the text layout to the respective |
|
380af2bdd8e5
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|
1720 * tab stop. The last tab stop width is repeated continuously. |
|
380af2bdd8e5
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|
1721 * |
|
380af2bdd8e5
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|
1722 * @param tabs the new tab list |
|
380af2bdd8e5
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|
1723 * |
|
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|
1724 * @exception DWTException <ul> |
|
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|
1725 * <li>ERROR_GRAPHIC_DISPOSED - if the receiver has been disposed</li> |
|
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|
1726 * </ul> |
|
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|
1727 */ |
|
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Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
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|
1728 public void setTabs(int[] tabs) { |
|
380af2bdd8e5
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|
1729 checkLayout(); |
|
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Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
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|
1730 if (this.tabs is null && tabs is null) return; |
|
36
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Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
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diff
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|
1731 if (this.tabs !is null && tabs !is null) { |
|
0
380af2bdd8e5
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Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
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|
1732 if (this.tabs.length is tabs.length) { |
|
380af2bdd8e5
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parents:
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|
1733 int i; |
|
380af2bdd8e5
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Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
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|
1734 for (i = 0; i < tabs.length; i++) { |
|
380af2bdd8e5
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Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
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|
1735 if (this.tabs[i] !is tabs[i]) break; |
|
380af2bdd8e5
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Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
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|
1736 } |
|
380af2bdd8e5
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Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
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|
1737 if (i is tabs.length) return; |
|
380af2bdd8e5
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|
1738 } |
|
380af2bdd8e5
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Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
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|
1739 } |
| 45 | 1740 NSAutoreleasePool pool = null; |
|
46
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Updated Widget and Display to 3.514
Jacob Carlborg <doob@me.com>
parents:
45
diff
changeset
|
1741 if (!NSThread.isMainThread()) pool = cast(NSAutoreleasePool) (new NSAutoreleasePool()).alloc().init(); |
| 45 | 1742 try { |
| 1743 freeRuns(); | |
| 1744 this.tabs = tabs; | |
| 1745 } finally { | |
| 1746 if (pool !is null) pool.release(); | |
| 1747 } | |
|
0
380af2bdd8e5
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|
1748 } |
|
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|
1749 |
|
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Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
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|
1750 /** |
|
380af2bdd8e5
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Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
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|
1751 * Sets the receiver's text. |
|
380af2bdd8e5
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Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
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|
1752 * |
|
380af2bdd8e5
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Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
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|
1753 * @param text the new text |
|
380af2bdd8e5
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Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
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|
1754 * |
|
380af2bdd8e5
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Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
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|
1755 * @exception IllegalArgumentException <ul> |
|
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Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
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|
1756 * <li>ERROR_NULL_ARGUMENT - if the text is null</li> |
|
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|
1757 * </ul> |
|
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Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
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|
1758 * @exception DWTException <ul> |
|
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|
1759 * <li>ERROR_GRAPHIC_DISPOSED - if the receiver has been disposed</li> |
|
380af2bdd8e5
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|
1760 * </ul> |
|
380af2bdd8e5
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Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
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changeset
|
1761 */ |
|
380af2bdd8e5
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Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
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changeset
|
1762 public void setText (String text) { |
|
380af2bdd8e5
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Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
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|
1763 checkLayout (); |
|
380af2bdd8e5
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Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
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|
1764 if (text is null) DWT.error(DWT.ERROR_NULL_ARGUMENT); |
|
380af2bdd8e5
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Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
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|
1765 if (text.equals(this.text)) return; |
| 45 | 1766 NSAutoreleasePool pool = null; |
|
46
cfa563df4fdd
Updated Widget and Display to 3.514
Jacob Carlborg <doob@me.com>
parents:
45
diff
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|
1767 if (!NSThread.isMainThread()) pool = cast(NSAutoreleasePool) (new NSAutoreleasePool()).alloc().init(); |
| 45 | 1768 try { |
| 1769 freeRuns(); | |
| 1770 this.text = text; | |
| 1771 styles = new StyleItem[2]; | |
| 1772 styles[0] = new StyleItem(); | |
| 1773 styles[1] = new StyleItem(); | |
| 1774 styles[styles.length - 1].start = text.length(); | |
| 1775 } finally { | |
| 1776 if (pool !is null) pool.release(); | |
| 1777 } | |
|
0
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|
1778 } |
|
380af2bdd8e5
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|
1779 |
|
380af2bdd8e5
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|
1780 /** |
|
380af2bdd8e5
Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
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|
1781 * Sets the line width of the receiver, which determines how |
|
380af2bdd8e5
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Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
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|
1782 * text should be wrapped and aligned. The default value is |
|
380af2bdd8e5
Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
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|
1783 * <code>-1</code> which means wrapping is disabled. |
|
380af2bdd8e5
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parents:
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|
1784 * |
|
380af2bdd8e5
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Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
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|
1785 * @param width the new width |
|
380af2bdd8e5
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Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
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changeset
|
1786 * |
|
380af2bdd8e5
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Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
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|
1787 * @exception IllegalArgumentException <ul> |
|
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Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
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|
1788 * <li>ERROR_INVALID_ARGUMENT - if the width is <code>0</code> or less than <code>-1</code></li> |
|
380af2bdd8e5
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|
1789 * </ul> |
|
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|
1790 * @exception DWTException <ul> |
|
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|
1791 * <li>ERROR_GRAPHIC_DISPOSED - if the receiver has been disposed</li> |
|
380af2bdd8e5
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|
1792 * </ul> |
|
380af2bdd8e5
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|
1793 * |
|
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|
1794 * @see #setAlignment(int) |
|
380af2bdd8e5
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|
1795 */ |
|
380af2bdd8e5
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|
1796 public void setWidth (int width) { |
|
380af2bdd8e5
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|
1797 checkLayout(); |
|
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|
1798 if (width < -1 || width is 0) DWT.error(DWT.ERROR_INVALID_ARGUMENT); |
|
380af2bdd8e5
Upload of whole dwt tree
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changeset
|
1799 if (this.wrapWidth is width) return; |
| 45 | 1800 NSAutoreleasePool pool = null; |
|
46
cfa563df4fdd
Updated Widget and Display to 3.514
Jacob Carlborg <doob@me.com>
parents:
45
diff
changeset
|
1801 if (!NSThread.isMainThread()) pool = cast(NSAutoreleasePool) (new NSAutoreleasePool()).alloc().init(); |
| 45 | 1802 try { |
| 1803 freeRuns(); | |
| 1804 this.wrapWidth = width; | |
| 1805 } finally { | |
| 1806 if (pool !is null) pool.release(); | |
| 1807 } | |
|
0
380af2bdd8e5
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|
1808 } |
|
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|
1809 |
|
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|
1810 /** |
|
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|
1811 * Returns a string containing a concise, human-readable |
|
380af2bdd8e5
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|
1812 * description of the receiver. |
|
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|
1813 * |
|
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|
1814 * @return a string representation of the receiver |
|
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|
1815 */ |
|
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|
1816 public String toString () { |
|
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|
1817 if (isDisposed()) return "TextLayout {*DISPOSED*}"; |
|
37
642f460a0908
Fixed a lot of compile errors, a "hello world" app compiles now
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parents:
36
diff
changeset
|
1818 return "TextLayout {" ~ text ~ "}"; |
|
0
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|
1819 } |
|
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|
1820 |
|
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|
1821 /* |
|
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|
1822 * Translate a client offset to an internal offset |
|
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|
1823 */ |
|
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|
1824 int translateOffset (int offset) { |
|
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|
1825 return offset; |
|
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|
1826 } |
|
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|
1827 |
|
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|
1828 /* |
|
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|
1829 * Translate an internal offset to a client offset |
|
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|
1830 */ |
|
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|
1831 int untranslateOffset (int offset) { |
|
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|
1832 return offset; |
|
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|
1833 } |
|
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|
1834 |
|
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|
1835 } |