Mercurial > projects > dwt-mac
annotate dwt/graphics/TextLayout.d @ 154:535243e6d16a
Fixes to make dwt compile with ldc
| author | Jacob Carlborg <doob@me.com> |
|---|---|
| date | Sat, 13 Jun 2009 00:25:05 +0200 |
| parents | 0ba75290f8ce |
| children | e91dcbf77cc7 |
| 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; |
| 136 | 199 default: |
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200 } |
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201 } |
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202 paragraph.setAlignment(align_); |
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203 paragraph.setLineSpacing(spacing); |
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204 paragraph.setFirstLineHeadIndent(indent); |
| 45 | 205 paragraph.setLineBreakMode(wrapWidth !is -1 ? OS.NSLineBreakByWordWrapping : OS.NSLineBreakByClipping); |
| 206 paragraph.setTabStops(NSArray.array()); | |
| 207 if (tabs !is null) { | |
| 208 int count = tabs.length; | |
| 209 for (int i = 0, pos = 0; i < count; i++) { | |
| 210 pos += tabs[i]; | |
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211 NSTextTab tab = cast(NSTextTab)(new NSTextTab()).alloc(); |
| 45 | 212 tab = tab.initWithType(OS.NSLeftTabStopType, pos); |
| 213 paragraph.addTabStop(tab); | |
| 214 tab.release(); | |
| 215 } | |
| 216 int width = count - 2 >= 0 ? tabs[count - 1] - tabs[count - 2] : tabs[count - 1]; | |
| 217 paragraph.setDefaultTabInterval(width); | |
| 218 } | |
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219 |
| 45 | 220 //TODO ascend descent wrap |
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221 |
| 45 | 222 textStorage.addAttribute(OS.NSParagraphStyleAttributeName, paragraph, range); |
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223 paragraph.release(); |
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224 |
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225 NSUInteger textLength = str.length(); |
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226 for (int i = 0; i < styles.length - 1; i++) { |
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227 StyleItem run = styles[i]; |
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228 if (run.style is null) continue; |
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229 TextStyle style = run.style; |
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230 range.location = textLength !is 0 ? translateOffset(run.start) : 0; |
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231 range.length = translateOffset(styles[i + 1].start) - range.location; |
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232 Font font = style.font; |
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233 if (font !is null) { |
| 45 | 234 textStorage.addAttribute(OS.NSFontAttributeName, font.handle, range); |
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235 } |
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236 Color foreground = style.foreground; |
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237 if (foreground !is null) { |
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238 NSColor color = NSColor.colorWithDeviceRed(foreground.handle[0], foreground.handle[1], foreground.handle[2], 1); |
| 45 | 239 textStorage.addAttribute(OS.NSForegroundColorAttributeName, color, range); |
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240 } |
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241 Color background = style.background; |
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242 if (background !is null) { |
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243 NSColor color = NSColor.colorWithDeviceRed(background.handle[0], background.handle[1], background.handle[2], 1); |
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244 textStorage.addAttribute(OS.NSBackgroundColorAttributeName, color, range); |
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245 } |
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246 if (style.strikeout) { |
| 45 | 247 textStorage.addAttribute(OS.NSStrikethroughStyleAttributeName, NSNumber.numberWithInt(OS.NSUnderlineStyleSingle), range); |
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248 Color strikeColor = style.strikeoutColor; |
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249 if (strikeColor !is null) { |
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250 NSColor color = NSColor.colorWithDeviceRed(strikeColor.handle[0], strikeColor.handle[1], strikeColor.handle[2], 1); |
| 45 | 251 textStorage.addAttribute(OS.NSStrikethroughColorAttributeName, color, range); |
|
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252 } |
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253 } |
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254 if (style.underline) { |
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255 int underlineStyle = 0; |
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256 switch (style.underlineStyle) { |
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257 case DWT.UNDERLINE_SINGLE: |
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258 underlineStyle = OS.NSUnderlineStyleSingle; |
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259 break; |
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260 case DWT.UNDERLINE_DOUBLE: |
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261 underlineStyle = OS.NSUnderlineStyleDouble; |
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262 break; |
| 45 | 263 case UNDERLINE_THICK: |
| 264 underlineStyle = OS.NSUnderlineStyleThick; | |
| 265 break; | |
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266 default: |
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267 } |
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268 if (underlineStyle !is 0) { |
| 45 | 269 textStorage.addAttribute(OS.NSUnderlineStyleAttributeName, NSNumber.numberWithInt(underlineStyle), range); |
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270 Color underlineColor = style.underlineColor; |
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271 if (underlineColor !is null) { |
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272 NSColor color = NSColor.colorWithDeviceRed(underlineColor.handle[0], underlineColor.handle[1], underlineColor.handle[2], 1); |
| 45 | 273 textStorage.addAttribute(OS.NSUnderlineColorAttributeName, color, range); |
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274 } |
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275 } |
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276 } |
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277 if (style.rise !is 0) { |
| 45 | 278 textStorage.addAttribute(OS.NSBaselineOffsetAttributeName, NSNumber.numberWithInt(style.rise), range); |
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279 } |
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280 if (style.metrics !is null) { |
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281 //TODO |
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282 } |
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283 } |
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284 textStorage.endEditing(); |
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285 |
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286 textContainer.setLineFragmentPadding(0); |
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287 layoutManager.glyphRangeForTextContainer(textContainer); |
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288 |
| 45 | 289 int numberOfLines; |
| 290 NSUInteger numberOfGlyphs = layoutManager.numberOfGlyphs(), index; | |
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291 NSRangePointer rangePtr = cast(NSRangePointer) OS.malloc(NSRange.sizeof); |
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292 NSRange lineRange = NSRange(); |
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293 for (numberOfLines = 0, index = 0; index < numberOfGlyphs; numberOfLines++){ |
| 45 | 294 layoutManager.lineFragmentUsedRectForGlyphAtIndex(index, rangePtr, true); |
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295 OS.memmove(&lineRange, rangePtr, NSRange.sizeof); |
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296 index = lineRange.location + lineRange.length; |
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297 } |
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298 if (numberOfLines is 0) numberOfLines++; |
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299 int[] offsets = new int[numberOfLines + 1]; |
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300 NSRect[] bounds = new NSRect[numberOfLines]; |
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301 for (numberOfLines = 0, index = 0; index < numberOfGlyphs; numberOfLines++){ |
| 45 | 302 bounds[numberOfLines] = layoutManager.lineFragmentUsedRectForGlyphAtIndex(index, rangePtr, true); |
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303 if (numberOfLines < bounds.length - 1) bounds[numberOfLines].height = bounds[numberOfLines].height - spacing; |
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304 OS.memmove(&lineRange, rangePtr, NSRange.sizeof); |
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305 offsets[numberOfLines] = cast(int)/*64*/lineRange.location; |
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306 index = lineRange.location + lineRange.length; |
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307 } |
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308 if (numberOfLines is 0) { |
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309 Font font = this.font !is null ? this.font : device.systemFont; |
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310 NSFont nsFont = font.handle; |
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311 bounds[0] = NSRect(); |
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312 bounds[0].height = Math.max(layoutManager.defaultLineHeightForFont(nsFont), ascent + descent); |
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313 } |
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314 OS.free(rangePtr); |
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46
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315 offsets[numberOfLines] = cast(int)/*64*/textStorage.length(); |
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316 this.lineOffsets = offsets; |
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317 this.lineBounds = bounds; |
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318 } |
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319 |
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320 void destroy() { |
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321 freeRuns(); |
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322 font = null; |
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323 text = null; |
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324 styles = null; |
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325 } |
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326 |
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327 /** |
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328 * Draws the receiver's text using the specified GC at the specified |
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329 * point. |
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330 * |
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331 * @param gc the GC to draw |
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332 * @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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333 * @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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334 * |
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335 * @exception DWTException <ul> |
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336 * <li>ERROR_GRAPHIC_DISPOSED - if the receiver has been disposed</li> |
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337 * </ul> |
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338 * @exception IllegalArgumentException <ul> |
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339 * <li>ERROR_NULL_ARGUMENT - if the gc is null</li> |
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340 * </ul> |
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341 */ |
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342 public void draw(GC gc, int x, int y) { |
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343 draw(gc, x, y, -1, -1, null, null); |
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344 } |
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345 |
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346 /** |
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347 * Draws the receiver's text using the specified GC at the specified |
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348 * point. |
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349 * |
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350 * @param gc the GC to draw |
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351 * @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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352 * @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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353 * @param selectionStart the offset where the selections starts, or -1 indicating no selection |
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354 * @param selectionEnd the offset where the selections ends, or -1 indicating no selection |
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355 * @param selectionForeground selection foreground, or NULL to use the system default color |
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356 * @param selectionBackground selection background, or NULL to use the system default color |
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357 * |
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358 * @exception DWTException <ul> |
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359 * <li>ERROR_GRAPHIC_DISPOSED - if the receiver has been disposed</li> |
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360 * </ul> |
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361 * @exception IllegalArgumentException <ul> |
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362 * <li>ERROR_NULL_ARGUMENT - if the gc is null</li> |
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363 * </ul> |
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364 */ |
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365 public void draw(GC gc, int x, int y, int selectionStart, int selectionEnd, Color selectionForeground, Color selectionBackground) { |
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366 draw(gc, x, y, selectionStart, selectionEnd, selectionForeground, selectionBackground, 0); |
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367 } |
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368 |
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369 /** |
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370 * Draws the receiver's text using the specified GC at the specified |
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371 * point. |
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372 * <p> |
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373 * The parameter <code>flags</code> can include one of <code>DWT.DELIMITER_SELECTION</code> |
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374 * or <code>DWT.FULL_SELECTION</code> to specify the selection behavior on all lines except |
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375 * for the last line, and can also include <code>DWT.LAST_LINE_SELECTION</code> to extend |
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376 * the specified selection behavior to the last line. |
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377 * </p> |
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378 * @param gc the GC to draw |
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379 * @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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380 * @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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381 * @param selectionStart the offset where the selections starts, or -1 indicating no selection |
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382 * @param selectionEnd the offset where the selections ends, or -1 indicating no selection |
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383 * @param selectionForeground selection foreground, or NULL to use the system default color |
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384 * @param selectionBackground selection background, or NULL to use the system default color |
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385 * @param flags drawing options |
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386 * |
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387 * @exception DWTException <ul> |
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388 * <li>ERROR_GRAPHIC_DISPOSED - if the receiver has been disposed</li> |
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389 * </ul> |
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390 * @exception IllegalArgumentException <ul> |
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391 * <li>ERROR_NULL_ARGUMENT - if the gc is null</li> |
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392 * </ul> |
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393 * |
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394 * @since 3.3 |
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395 */ |
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396 public void draw(GC gc, int x, int y, int selectionStart, int selectionEnd, Color selectionForeground, Color selectionBackground, int flags) { |
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397 checkLayout (); |
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398 computeRuns(); |
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399 if (gc is null) DWT.error(DWT.ERROR_NULL_ARGUMENT); |
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400 if (gc.isDisposed()) DWT.error(DWT.ERROR_INVALID_ARGUMENT); |
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401 if (selectionForeground !is null && selectionForeground.isDisposed()) DWT.error(DWT.ERROR_INVALID_ARGUMENT); |
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402 if (selectionBackground !is null && selectionBackground.isDisposed()) DWT.error(DWT.ERROR_INVALID_ARGUMENT); |
| 45 | 403 int length = translateOffset(text.length()); |
| 404 if (length is 0 && flags is 0) return; | |
| 405 NSAutoreleasePool pool = gc.checkGC(GC.CLIPPING | GC.TRANSFORM | GC.FOREGROUND); | |
| 406 try { | |
| 407 gc.handle.saveGraphicsState(); | |
| 408 float[] fg = gc.data.foreground; | |
| 409 NSColor foreground = NSColor.colorWithDeviceRed(fg[0], fg[1], fg[2], fg[3]); | |
| 410 NSPoint pt = NSPoint(); | |
| 411 pt.x = x; | |
| 412 pt.y = y; | |
| 413 bool hasSelection = selectionStart <= selectionEnd && selectionStart !is -1 && selectionEnd !is -1; | |
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414 NSRange* selectionRange = null; |
| 45 | 415 NSColor selectionColor = null; |
| 416 if (hasSelection || (flags & DWT.LAST_LINE_SELECTION) !is 0) { | |
| 417 if (selectionBackground is null) selectionBackground = device.getSystemColor(DWT.COLOR_LIST_SELECTION); | |
| 418 selectionColor = NSColor.colorWithDeviceRed(selectionBackground.handle[0], selectionBackground.handle[1], selectionBackground.handle[2], selectionBackground.handle[3]); | |
| 419 } | |
| 420 if (hasSelection) { | |
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421 NSRange range; |
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422 selectionRange = ⦥ |
| 45 | 423 selectionRange.location = selectionStart; |
| 424 selectionRange.length = selectionEnd - selectionStart + 1; | |
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425 layoutManager.addTemporaryAttribute(OS.NSBackgroundColorAttributeName, selectionColor, *selectionRange); |
| 45 | 426 } |
| 427 //TODO draw selection for flags (DELIMITER_SELECTION) | |
| 428 int numberOfGlyphs = layoutManager.numberOfGlyphs(); | |
| 429 if (numberOfGlyphs > 0) { | |
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430 NSRange range = NSRange(); |
| 45 | 431 for (int i = 0; i < styles.length - 1; i++) { |
| 432 StyleItem run = styles[i]; | |
| 433 if (run.style !is null && run.style.foreground !is null) continue; | |
| 434 range.location = length !is 0 ? translateOffset(run.start) : 0; | |
| 435 range.length = translateOffset(styles[i + 1].start) - range.location; | |
| 436 layoutManager.addTemporaryAttribute(OS.NSForegroundColorAttributeName, foreground, range); | |
| 437 } | |
| 438 range.location = 0; | |
| 439 range.length = numberOfGlyphs; | |
| 440 layoutManager.drawBackgroundForGlyphRange(range, pt); | |
| 441 layoutManager.drawGlyphsForGlyphRange(range, pt); | |
| 442 range.length = length; | |
| 443 layoutManager.removeTemporaryAttribute(OS.NSForegroundColorAttributeName, range); | |
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444 NSPoint point = NSPoint(); |
| 45 | 445 for (int j = 0; j < styles.length; j++) { |
| 446 StyleItem run = styles[j]; | |
| 447 TextStyle style = run.style; | |
| 448 if (style is null) continue; | |
| 449 bool drawUnderline = style.underline && style.underlineStyle !is DWT.UNDERLINE_SINGLE && style.underlineStyle !is DWT.UNDERLINE_DOUBLE; | |
| 450 drawUnderline = drawUnderline && (j + 1 is styles.length || !style.isAdherentUnderline(styles[j + 1].style)); | |
| 451 bool drawBorder = style.borderStyle !is DWT.NONE; | |
| 452 drawBorder = drawBorder && (j + 1 is styles.length || !style.isAdherentBorder(styles[j + 1].style)); | |
| 453 if (!drawUnderline && !drawBorder) continue; | |
| 454 int end = j + 1 < styles.length ? translateOffset(styles[j + 1].start - 1) : length; | |
| 455 for (int i = 0; i < lineOffsets.length - 1; i++) { | |
| 456 int lineStart = untranslateOffset(lineOffsets[i]); | |
| 457 int lineEnd = untranslateOffset(lineOffsets[i + 1] - 1); | |
| 458 if (drawUnderline) { | |
| 459 int start = run.start; | |
| 460 for (int k = j; k > 0 && style.isAdherentUnderline(styles[k - 1].style); k--) { | |
| 461 start = styles[k - 1].start; | |
| 462 } | |
| 463 start = translateOffset(start); | |
| 464 if (!(start > lineEnd || end < lineStart)) { | |
| 465 range.location = layoutManager.glyphIndexForCharacterAtIndex(Math.max(lineStart, start)); | |
| 466 range.length = layoutManager.glyphIndexForCharacterAtIndex(Math.min(lineEnd, end) + 1) - range.location; | |
| 467 if (range.length > 0) { | |
| 468 gc.handle.saveGraphicsState(); | |
| 469 NSRect rect = layoutManager.boundingRectForGlyphRange(range, textContainer); | |
| 470 float baseline = layoutManager.typesetter().baselineOffsetInLayoutManager(layoutManager, lineStart); | |
| 471 float underlineX = pt.x + rect.x; | |
| 472 float underlineY = pt.y + rect.y + rect.height - baseline; | |
| 473 float[] color = null; | |
| 474 if (style.underlineColor !is null) color = style.underlineColor.handle; | |
| 475 if (color is null && style.foreground !is null) color = style.foreground.handle; | |
| 476 if (color !is null) { | |
| 477 NSColor.colorWithDeviceRed(color[0], color[1], color[2], color[3]).setStroke(); | |
| 478 } | |
| 479 NSBezierPath path = NSBezierPath.bezierPath(); | |
| 480 switch (style.underlineStyle) { | |
| 481 case DWT.UNDERLINE_ERROR: { | |
| 482 path.setLineWidth(2f); | |
| 483 path.setLineCapStyle(OS.NSRoundLineCapStyle); | |
| 484 path.setLineJoinStyle(OS.NSRoundLineJoinStyle); | |
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485 path.setLineDash([1f, 3f].ptr, 2, cast(Carbon.CGFloat) 0); |
| 45 | 486 point.x = underlineX; |
| 487 point.y = underlineY + 0.5f; | |
| 488 path.moveToPoint(point); | |
| 489 point.x = underlineX + rect.width; | |
| 490 point.y = underlineY + 0.5f; | |
| 491 path.lineToPoint(point); | |
| 492 break; | |
| 493 } | |
| 494 case DWT.UNDERLINE_SQUIGGLE: { | |
| 495 gc.handle.setShouldAntialias(false); | |
| 496 path.setLineWidth(1.0f); | |
| 497 path.setLineCapStyle(OS.NSButtLineCapStyle); | |
| 498 path.setLineJoinStyle(OS.NSMiterLineJoinStyle); | |
| 499 float lineBottom = pt.y + rect.y + rect.height; | |
| 500 float squigglyThickness = 1; | |
| 501 float squigglyHeight = 2 * squigglyThickness; | |
| 502 float squigglyY = Math.min(underlineY - squigglyHeight / 2, lineBottom - squigglyHeight - 1); | |
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503 float[] points = computePolyline(cast(int)underlineX, cast(int)squigglyY, cast(int)(underlineX + rect.width), cast(int)(squigglyY + squigglyHeight)); |
| 45 | 504 point.x = points[0] + 0.5f; |
| 505 point.y = points[1] + 0.5f; | |
| 506 path.moveToPoint(point); | |
| 507 for (int p = 2; p < points.length; p+=2) { | |
| 508 point.x = points[p] + 0.5f; | |
| 509 point.y = points[p+1] + 0.5f; | |
| 510 path.lineToPoint(point); | |
| 511 } | |
| 512 break; | |
| 513 } | |
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514 default: |
| 45 | 515 } |
| 516 path.stroke(); | |
| 517 gc.handle.restoreGraphicsState(); | |
| 518 } | |
| 519 } | |
| 520 } | |
| 521 if (drawBorder) { | |
| 522 int start = run.start; | |
| 523 for (int k = j; k > 0 && style.isAdherentBorder(styles[k - 1].style); k--) { | |
| 524 start = styles[k - 1].start; | |
| 525 } | |
| 526 start = translateOffset(start); | |
| 527 if (!(start > lineEnd || end < lineStart)) { | |
| 528 range.location = layoutManager.glyphIndexForCharacterAtIndex(Math.max(lineStart, start)); | |
| 529 range.length = layoutManager.glyphIndexForCharacterAtIndex(Math.min(lineEnd, end) + 1) - range.location; | |
| 530 if (range.length > 0) { | |
| 531 gc.handle.saveGraphicsState(); | |
| 532 NSRect rect = layoutManager.boundingRectForGlyphRange(range, textContainer); | |
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533 rect.x = rect.x + pt.x + 0.5f; |
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534 rect.y = rect.y + pt.y + 0.5f; |
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535 rect.width = rect.width - 0.5f; |
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536 rect.height = rect.height - 0.5f; |
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537 Carbon.CGFloat[] color = null; |
| 45 | 538 if (style.borderColor !is null) color = style.borderColor.handle; |
| 539 if (color is null && style.foreground !is null) color = style.foreground.handle; | |
| 540 if (color !is null) { | |
| 541 NSColor.colorWithDeviceRed(color[0], color[1], color[2], color[3]).setStroke(); | |
| 542 } | |
| 543 int width = 1; | |
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544 Carbon.CGFloat[] dashes = null; |
| 45 | 545 switch (style.borderStyle) { |
| 546 case DWT.BORDER_SOLID: break; | |
| 547 case DWT.BORDER_DASH: dashes = width !is 0 ? GC.LINE_DASH : GC.LINE_DASH_ZERO; break; | |
| 548 case DWT.BORDER_DOT: dashes = width !is 0 ? GC.LINE_DOT : GC.LINE_DOT_ZERO; break; | |
|
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549 default: |
| 45 | 550 } |
| 551 NSBezierPath path = NSBezierPath.bezierPath(); | |
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552 path.setLineDash(dashes.ptr, dashes !is null ? dashes.length : 0, 0); |
| 45 | 553 path.appendBezierPathWithRect(rect); |
| 554 path.stroke(); | |
| 555 gc.handle.restoreGraphicsState(); | |
| 556 } | |
| 557 } | |
| 558 } | |
| 559 } | |
| 560 | |
| 561 } | |
| 562 } | |
| 563 if ((flags & DWT.LAST_LINE_SELECTION) !is 0) { | |
| 564 NSRect bounds = lineBounds[lineBounds.length - 1]; | |
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565 NSRect rect = NSRect(); |
| 45 | 566 rect.x = pt.x + bounds.x + bounds.width; |
| 567 rect.y = y + bounds.y; | |
| 568 rect.width = (flags & DWT.FULL_SELECTION) !is 0 ? 0x7fffffff : bounds.height / 3; | |
| 569 rect.height = bounds.height; | |
| 570 selectionColor.setFill(); | |
| 571 NSBezierPath path = NSBezierPath.bezierPath(); | |
| 572 path.appendBezierPathWithRect(rect); | |
| 573 path.fill(); | |
| 574 } | |
| 575 if (selectionRange !is null) { | |
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576 layoutManager.removeTemporaryAttribute(OS.NSBackgroundColorAttributeName, *selectionRange); |
| 45 | 577 } |
| 578 gc.handle.restoreGraphicsState(); | |
| 579 } finally { | |
| 580 gc.uncheckGC(pool); | |
|
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581 } |
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582 } |
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583 |
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584 void freeRuns() { |
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585 if (textStorage is null) return; |
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586 if (textStorage !is null) { |
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587 textStorage.release(); |
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588 } |
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589 if (layoutManager !is null) { |
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590 layoutManager.release(); |
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591 } |
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592 if (textContainer !is null) { |
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593 textContainer.release(); |
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594 } |
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595 textStorage = null; |
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596 layoutManager = null; |
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597 textContainer = null; |
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598 } |
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599 |
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600 /** |
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601 * Returns the receiver's horizontal text alignment, which will be one |
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602 * of <code>DWT.LEFT</code>, <code>DWT.CENTER</code> or |
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603 * <code>DWT.RIGHT</code>. |
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604 * |
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605 * @return the alignment used to positioned text horizontally |
|
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606 * |
|
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607 * @exception DWTException <ul> |
|
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608 * <li>ERROR_GRAPHIC_DISPOSED - if the receiver has been disposed</li> |
|
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609 * </ul> |
|
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610 */ |
|
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611 public int getAlignment() { |
|
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612 checkLayout(); |
|
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613 return alignment; |
|
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614 } |
|
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615 |
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616 /** |
|
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617 * Returns the ascent of the receiver. |
|
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618 * |
|
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619 * @return the ascent |
|
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620 * |
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621 * @exception DWTException <ul> |
|
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622 * <li>ERROR_GRAPHIC_DISPOSED - if the receiver has been disposed</li> |
|
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623 * </ul> |
|
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624 * |
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625 * @see #getDescent() |
|
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626 * @see #setDescent(int) |
|
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627 * @see #setAscent(int) |
|
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628 * @see #getLineMetrics(int) |
|
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629 */ |
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630 public int getAscent () { |
|
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631 checkLayout(); |
|
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632 return ascent; |
|
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633 } |
|
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634 |
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635 /** |
| 45 | 636 * Returns the bounds of the receiver. The width returned is either the |
| 637 * width of the longest line or the width set using {@link TextLayout#setWidth(int)}. | |
| 638 * To obtain the text bounds of a line use {@link TextLayout#getLineBounds(int)}. | |
|
0
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639 * |
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640 * @return the bounds of the receiver |
|
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641 * |
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642 * @exception DWTException <ul> |
|
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643 * <li>ERROR_GRAPHIC_DISPOSED - if the receiver has been disposed</li> |
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644 * </ul> |
| 45 | 645 * |
| 646 * @see #setWidth(int) | |
| 647 * @see #getLineBounds(int) | |
|
0
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648 */ |
|
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649 public Rectangle getBounds() { |
|
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650 checkLayout(); |
| 45 | 651 NSAutoreleasePool pool = null; |
|
46
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652 if (!NSThread.isMainThread()) pool = cast(NSAutoreleasePool) (new NSAutoreleasePool()).alloc().init(); |
| 45 | 653 try { |
| 654 computeRuns(); | |
| 655 NSRect rect = layoutManager.usedRectForTextContainer(textContainer); | |
| 656 if (wrapWidth !is -1) rect.width = wrapWidth; | |
| 657 if (text.length() is 0) { | |
| 658 Font font = this.font !is null ? this.font : device.systemFont; | |
| 659 NSFont nsFont = font.handle; | |
| 660 rect.height = Math.max(rect.height, layoutManager.defaultLineHeightForFont(nsFont)); | |
| 661 } | |
| 662 rect.height = Math.max(rect.height, ascent + descent) + spacing; | |
| 663 return new Rectangle(0, 0, cast(int)rect.width, cast(int)rect.height); | |
| 664 } finally { | |
| 665 if (pool !is null) pool.release(); | |
|
0
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666 } |
|
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667 } |
|
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668 |
|
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|
669 /** |
|
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670 * Returns the bounds for the specified range of characters. The |
|
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671 * bounds is the smallest rectangle that encompasses all characters |
|
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672 * in the range. The start and end offsets are inclusive and will be |
|
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673 * clamped if out of range. |
|
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674 * |
|
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675 * @param start the start offset |
|
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676 * @param end the end offset |
|
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677 * @return the bounds of the character range |
|
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678 * |
|
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679 * @exception DWTException <ul> |
|
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680 * <li>ERROR_GRAPHIC_DISPOSED - if the receiver has been disposed</li> |
|
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681 * </ul> |
|
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682 */ |
|
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683 public Rectangle getBounds(int start, int end) { |
|
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|
684 checkLayout(); |
| 45 | 685 NSAutoreleasePool pool = null; |
|
46
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diff
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686 if (!NSThread.isMainThread()) pool = cast(NSAutoreleasePool) (new NSAutoreleasePool()).alloc().init(); |
| 45 | 687 try { |
| 688 computeRuns(); | |
| 689 int length = text.length(); | |
| 690 if (length is 0) return new Rectangle(0, 0, 0, 0); | |
| 691 if (start > end) return new Rectangle(0, 0, 0, 0); | |
| 692 start = Math.min(Math.max(0, start), length - 1); | |
| 693 end = Math.min(Math.max(0, end), length - 1); | |
| 694 start = translateOffset(start); | |
| 695 end = translateOffset(end); | |
|
37
642f460a0908
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diff
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|
696 NSRange range = NSRange(); |
| 45 | 697 range.location = layoutManager.glyphIndexForCharacterAtIndex(start); |
| 698 range.length = layoutManager.glyphIndexForCharacterAtIndex(end + 1) - range.location; | |
| 699 NSRect rect = layoutManager.boundingRectForGlyphRange(range, textContainer); | |
| 7 | 700 return new Rectangle(cast(int)rect.x, cast(int)rect.y, cast(int)Math.ceil(rect.width), cast(int)Math.ceil(rect.height)); |
| 45 | 701 } finally { |
| 702 if (pool !is null) pool.release(); | |
| 703 } | |
|
0
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704 } |
|
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|
705 |
|
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|
706 /** |
|
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|
707 * Returns the descent of the receiver. |
|
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708 * |
|
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709 * @return the descent |
|
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710 * |
|
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|
711 * @exception DWTException <ul> |
|
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712 * <li>ERROR_GRAPHIC_DISPOSED - if the receiver has been disposed</li> |
|
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713 * </ul> |
|
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714 * |
|
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715 * @see #getAscent() |
|
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716 * @see #setAscent(int) |
|
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717 * @see #setDescent(int) |
|
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718 * @see #getLineMetrics(int) |
|
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|
719 */ |
|
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720 public int getDescent () { |
|
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|
721 checkLayout(); |
|
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722 return descent; |
|
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|
723 } |
|
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|
724 |
|
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|
725 /** |
|
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726 * Returns the default font currently being used by the receiver |
|
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|
727 * to draw and measure text. |
|
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|
728 * |
|
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|
729 * @return the receiver's font |
|
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|
730 * |
|
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|
731 * @exception DWTException <ul> |
|
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732 * <li>ERROR_GRAPHIC_DISPOSED - if the receiver has been disposed</li> |
|
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|
733 * </ul> |
|
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|
734 */ |
|
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|
735 public Font getFont () { |
|
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|
736 checkLayout(); |
|
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|
737 return font; |
|
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|
738 } |
|
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|
739 |
|
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|
740 /** |
|
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741 * Returns the receiver's indent. |
|
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|
742 * |
|
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|
743 * @return the receiver's indent |
|
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|
744 * |
|
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|
745 * @exception DWTException <ul> |
|
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746 * <li>ERROR_GRAPHIC_DISPOSED - if the receiver has been disposed</li> |
|
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|
747 * </ul> |
|
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748 * |
|
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749 * @since 3.2 |
|
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750 */ |
|
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|
751 public int getIndent () { |
|
380af2bdd8e5
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|
752 checkLayout(); |
|
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753 return indent; |
|
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|
754 } |
|
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|
755 |
|
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|
756 /** |
|
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757 * Returns the receiver's justification. |
|
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758 * |
|
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759 * @return the receiver's justification |
|
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760 * |
|
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761 * @exception DWTException <ul> |
|
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762 * <li>ERROR_GRAPHIC_DISPOSED - if the receiver has been disposed</li> |
|
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763 * </ul> |
|
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764 * |
|
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765 * @since 3.2 |
|
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766 */ |
|
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767 public bool getJustify () { |
|
380af2bdd8e5
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768 checkLayout(); |
|
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769 return justify; |
|
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|
770 } |
|
380af2bdd8e5
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|
771 |
|
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|
772 /** |
|
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773 * Returns the embedding level for the specified character offset. The |
|
380af2bdd8e5
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774 * embedding level is usually used to determine the directionality of a |
|
380af2bdd8e5
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775 * character in bidirectional text. |
|
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776 * |
|
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777 * @param offset the character offset |
|
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778 * @return the embedding level |
|
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|
779 * |
|
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|
780 * @exception IllegalArgumentException <ul> |
|
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781 * <li>ERROR_INVALID_ARGUMENT - if the character offset is out of range</li> |
|
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782 * </ul> |
|
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783 * @exception DWTException <ul> |
|
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784 * <li>ERROR_GRAPHIC_DISPOSED - if the receiver has been disposed</li> |
|
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|
785 */ |
|
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|
786 public int getLevel(int offset) { |
|
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|
787 checkLayout(); |
| 45 | 788 NSAutoreleasePool pool = null; |
|
46
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789 if (!NSThread.isMainThread()) pool = cast(NSAutoreleasePool) (new NSAutoreleasePool()).alloc().init(); |
| 45 | 790 try { |
| 791 computeRuns(); | |
| 792 int length = text.length(); | |
| 793 if (!(0 <= offset && offset <= length)) DWT.error(DWT.ERROR_INVALID_RANGE); | |
| 794 offset = translateOffset(offset); | |
| 795 int level = 0; | |
| 796 //TODO | |
| 797 return level; | |
| 798 } finally { | |
| 799 if (pool !is null) pool.release(); | |
| 800 } | |
|
0
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801 } |
|
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|
802 |
|
380af2bdd8e5
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|
803 /** |
|
380af2bdd8e5
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Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
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|
804 * Returns the line offsets. Each value in the array is the |
|
380af2bdd8e5
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805 * offset for the first character in a line except for the last |
|
380af2bdd8e5
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806 * value, which contains the length of the text. |
|
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|
807 * |
|
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|
808 * @return the line offsets |
|
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|
809 * |
|
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|
810 * @exception DWTException <ul> |
|
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|
811 * <li>ERROR_GRAPHIC_DISPOSED - if the receiver has been disposed</li> |
|
380af2bdd8e5
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|
812 * </ul> |
|
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|
813 */ |
|
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|
814 public int[] getLineOffsets() { |
|
380af2bdd8e5
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Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
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|
815 checkLayout (); |
| 45 | 816 NSAutoreleasePool pool = null; |
|
46
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Updated Widget and Display to 3.514
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parents:
45
diff
changeset
|
817 if (!NSThread.isMainThread()) pool = cast(NSAutoreleasePool) (new NSAutoreleasePool()).alloc().init(); |
| 45 | 818 try { |
| 819 computeRuns(); | |
| 820 int[] offsets = new int[lineOffsets.length]; | |
| 821 for (int i = 0; i < offsets.length; i++) { | |
| 822 offsets[i] = untranslateOffset(lineOffsets[i]); | |
| 823 } | |
| 824 return offsets; | |
| 825 } finally { | |
| 826 if (pool !is null) pool.release(); | |
|
0
380af2bdd8e5
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|
827 } |
|
380af2bdd8e5
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|
828 } |
|
380af2bdd8e5
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|
829 |
|
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|
830 /** |
|
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|
831 * Returns the index of the line that contains the specified |
|
380af2bdd8e5
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|
832 * character offset. |
|
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|
833 * |
|
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|
834 * @param offset the character offset |
|
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|
835 * @return the line index |
|
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|
836 * |
|
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|
837 * @exception IllegalArgumentException <ul> |
|
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|
838 * <li>ERROR_INVALID_ARGUMENT - if the character offset is out of range</li> |
|
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|
839 * </ul> |
|
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|
840 * @exception DWTException <ul> |
|
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841 * <li>ERROR_GRAPHIC_DISPOSED - if the receiver has been disposed</li> |
|
380af2bdd8e5
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|
842 * </ul> |
|
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|
843 */ |
|
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|
844 public int getLineIndex(int offset) { |
|
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|
845 checkLayout (); |
| 45 | 846 NSAutoreleasePool pool = null; |
|
46
cfa563df4fdd
Updated Widget and Display to 3.514
Jacob Carlborg <doob@me.com>
parents:
45
diff
changeset
|
847 if (!NSThread.isMainThread()) pool = cast(NSAutoreleasePool) (new NSAutoreleasePool()).alloc().init(); |
| 45 | 848 try { |
| 849 computeRuns(); | |
| 850 int length = text.length(); | |
| 851 if (!(0 <= offset && offset <= length)) DWT.error(DWT.ERROR_INVALID_RANGE); | |
| 852 offset = translateOffset(offset); | |
| 853 for (int line=0; line<lineOffsets.length - 1; line++) { | |
| 854 if (lineOffsets[line + 1] > offset) { | |
| 855 return line; | |
| 856 } | |
|
0
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|
857 } |
| 45 | 858 return lineBounds.length - 1; |
| 859 } finally { | |
| 860 if (pool !is null) pool.release(); | |
|
0
380af2bdd8e5
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|
861 } |
|
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|
862 } |
|
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|
863 |
|
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|
864 /** |
|
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|
865 * Returns the bounds of the line for the specified line index. |
|
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|
866 * |
|
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|
867 * @param lineIndex the line index |
|
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|
868 * @return the line bounds |
|
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|
869 * |
|
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|
870 * @exception IllegalArgumentException <ul> |
|
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|
871 * <li>ERROR_INVALID_ARGUMENT - if the line index is out of range</li> |
|
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|
872 * </ul> |
|
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873 * @exception DWTException <ul> |
|
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874 * <li>ERROR_GRAPHIC_DISPOSED - if the receiver has been disposed</li> |
|
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|
875 * </ul> |
|
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|
876 */ |
|
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|
877 public Rectangle getLineBounds(int lineIndex) { |
|
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|
878 checkLayout(); |
| 45 | 879 NSAutoreleasePool pool = null; |
|
46
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Updated Widget and Display to 3.514
Jacob Carlborg <doob@me.com>
parents:
45
diff
changeset
|
880 if (!NSThread.isMainThread()) pool = cast(NSAutoreleasePool) (new NSAutoreleasePool()).alloc().init(); |
| 45 | 881 try { |
| 882 computeRuns(); | |
| 883 if (!(0 <= lineIndex && lineIndex < lineBounds.length)) DWT.error(DWT.ERROR_INVALID_RANGE); | |
| 884 NSRect rect = lineBounds[lineIndex]; | |
| 7 | 885 return new Rectangle(cast(int)rect.x, cast(int)rect.y, cast(int)rect.width, cast(int)rect.height); |
| 45 | 886 } finally { |
| 887 if (pool !is null) pool.release(); | |
| 888 } | |
|
0
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|
889 } |
|
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changeset
|
890 |
|
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|
891 /** |
|
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|
892 * Returns the receiver's line count. This includes lines caused |
|
380af2bdd8e5
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|
893 * by wrapping. |
|
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894 * |
|
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895 * @return the line count |
|
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896 * |
|
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897 * @exception DWTException <ul> |
|
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898 * <li>ERROR_GRAPHIC_DISPOSED - if the receiver has been disposed</li> |
|
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899 * </ul> |
|
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900 */ |
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901 public int getLineCount() { |
|
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902 checkLayout (); |
| 45 | 903 NSAutoreleasePool pool = null; |
|
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904 if (!NSThread.isMainThread()) pool = cast(NSAutoreleasePool) (new NSAutoreleasePool()).alloc().init(); |
| 45 | 905 try { |
| 906 computeRuns(); | |
| 907 return lineOffsets.length - 1; | |
| 908 } finally { | |
| 909 if (pool !is null) pool.release(); | |
| 910 } | |
|
0
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911 } |
|
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912 |
|
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913 /** |
|
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914 * Returns the font metrics for the specified line index. |
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915 * |
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916 * @param lineIndex the line index |
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917 * @return the font metrics |
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918 * |
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919 * @exception IllegalArgumentException <ul> |
|
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920 * <li>ERROR_INVALID_ARGUMENT - if the line index is out of range</li> |
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921 * </ul> |
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922 * @exception DWTException <ul> |
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923 * <li>ERROR_GRAPHIC_DISPOSED - if the receiver has been disposed</li> |
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924 * </ul> |
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925 */ |
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926 public FontMetrics getLineMetrics (int lineIndex) { |
|
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927 checkLayout (); |
| 45 | 928 NSAutoreleasePool pool = null; |
|
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929 if (!NSThread.isMainThread()) pool = cast(NSAutoreleasePool) (new NSAutoreleasePool()).alloc().init(); |
| 45 | 930 try { |
| 931 computeRuns(); | |
| 932 int lineCount = getLineCount(); | |
| 933 if (!(0 <= lineIndex && lineIndex < lineCount)) DWT.error(DWT.ERROR_INVALID_RANGE); | |
| 934 int length = text.length(); | |
| 935 if (length is 0) { | |
| 936 Font font = this.font !is null ? this.font : device.systemFont; | |
| 937 NSFont nsFont = font.handle; | |
| 7 | 938 int ascent = cast(int)(0.5f + nsFont.ascender()); |
| 939 int descent = cast(int)(0.5f + (-nsFont.descender() + nsFont.leading())); | |
| 45 | 940 ascent = Math.max(ascent, this.ascent); |
| 941 descent = Math.max(descent, this.descent); | |
| 942 return FontMetrics.cocoa_new(ascent, descent, 0, 0, ascent + descent); | |
| 943 } | |
| 944 Rectangle rect = getLineBounds(lineIndex); | |
| 945 int baseline = cast(int)layoutManager.typesetter().baselineOffsetInLayoutManager(layoutManager, getLineOffsets()[lineIndex]); | |
| 946 return FontMetrics.cocoa_new(rect.height - baseline, baseline, 0, 0, rect.height); | |
| 947 } finally { | |
| 948 if (pool !is null) pool.release(); | |
|
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949 } |
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950 } |
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951 |
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952 /** |
|
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953 * Returns the location for the specified character offset. The |
|
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954 * <code>trailing</code> argument indicates whether the offset |
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955 * corresponds to the leading or trailing edge of the cluster. |
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956 * |
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957 * @param offset the character offset |
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958 * @param trailing the trailing flag |
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959 * @return the location of the character offset |
|
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960 * |
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961 * @exception DWTException <ul> |
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962 * <li>ERROR_GRAPHIC_DISPOSED - if the receiver has been disposed</li> |
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963 * </ul> |
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964 * |
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965 * @see #getOffset(Point, int[]) |
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966 * @see #getOffset(int, int, int[]) |
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967 */ |
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968 public Point getLocation(int offset, bool trailing) { |
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969 checkLayout(); |
| 45 | 970 NSAutoreleasePool pool = null; |
|
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971 if (!NSThread.isMainThread()) pool = cast(NSAutoreleasePool) (new NSAutoreleasePool()).alloc().init(); |
| 45 | 972 try { |
| 973 computeRuns(); | |
| 974 int length = text.length(); | |
| 975 if (!(0 <= offset && offset <= length)) DWT.error(DWT.ERROR_INVALID_RANGE); | |
| 976 if (length is 0) return new Point(0, 0); | |
| 977 offset = translateOffset(offset); | |
|
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diff
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978 NSUInteger glyphIndex = layoutManager.glyphIndexForCharacterAtIndex(offset); |
|
60
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979 NSRect rect = layoutManager.lineFragmentUsedRectForGlyphAtIndex(glyphIndex, null); |
| 45 | 980 NSPoint point = layoutManager.locationForGlyphAtIndex(glyphIndex); |
| 981 if (trailing) { | |
|
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|
982 NSRange range = NSRange(); |
| 45 | 983 range.location = glyphIndex; |
| 984 range.length = 1; | |
| 985 NSRect bounds = layoutManager.boundingRectForGlyphRange(range, textContainer); | |
| 986 point.x += bounds.width; | |
| 987 } | |
| 988 return new Point(cast(int)point.x, cast(int)rect.y); | |
| 989 } finally { | |
| 990 if (pool !is null) pool.release(); | |
|
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991 } |
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992 } |
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993 |
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994 /** |
|
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995 * Returns the next offset for the specified offset and movement |
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996 * type. The movement is one of <code>DWT.MOVEMENT_CHAR</code>, |
|
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997 * <code>DWT.MOVEMENT_CLUSTER</code>, <code>DWT.MOVEMENT_WORD</code>, |
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998 * <code>DWT.MOVEMENT_WORD_END</code> or <code>DWT.MOVEMENT_WORD_START</code>. |
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999 * |
|
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1000 * @param offset the start offset |
|
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1001 * @param movement the movement type |
|
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1002 * @return the next offset |
|
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1003 * |
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1004 * @exception IllegalArgumentException <ul> |
|
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1005 * <li>ERROR_INVALID_ARGUMENT - if the offset is out of range</li> |
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1006 * </ul> |
|
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1007 * @exception DWTException <ul> |
|
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1008 * <li>ERROR_GRAPHIC_DISPOSED - if the receiver has been disposed</li> |
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1009 * </ul> |
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1010 * |
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1011 * @see #getPreviousOffset(int, int) |
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1012 */ |
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1013 public int getNextOffset (int offset, int movement) { |
| 45 | 1014 NSAutoreleasePool pool = null; |
|
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1015 if (!NSThread.isMainThread()) pool = cast(NSAutoreleasePool) (new NSAutoreleasePool()).alloc().init(); |
| 45 | 1016 try { |
| 1017 return _getOffset(offset, movement, true); | |
| 1018 } finally { | |
| 1019 if (pool !is null) pool.release(); | |
| 1020 } | |
|
0
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1021 } |
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1022 |
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1023 int _getOffset (int offset, int movement, bool forward) { |
|
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1024 checkLayout(); |
|
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1025 computeRuns(); |
|
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1026 int length = text.length(); |
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1027 if (!(0 <= offset && offset <= length)) DWT.error(DWT.ERROR_INVALID_RANGE); |
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1028 if (length is 0) return 0; |
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1029 offset = translateOffset(offset); |
|
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1030 switch (movement) { |
|
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1031 case DWT.MOVEMENT_CLUSTER://TODO cluster |
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1032 case DWT.MOVEMENT_CHAR: { |
|
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1033 if (forward) { |
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1034 offset++; |
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1035 } else { |
|
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1036 offset--; |
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1037 } |
| 45 | 1038 return Math.max(0, Math.min(length, untranslateOffset(offset))); |
|
0
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1039 } |
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1040 case DWT.MOVEMENT_WORD: { |
|
46
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1041 return untranslateOffset(cast(int)/*64*/textStorage.nextWordFromIndex(offset, forward)); |
|
0
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|
1042 } |
|
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|
1043 case DWT.MOVEMENT_WORD_END: { |
|
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|
1044 NSRange range = textStorage.doubleClickAtIndex(length is offset ? length - 1 : offset); |
|
46
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1045 return untranslateOffset(cast(int)/*64*/(range.location + range.length)); |
|
0
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|
1046 } |
|
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|
1047 case DWT.MOVEMENT_WORD_START: { |
|
380af2bdd8e5
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|
1048 NSRange range = textStorage.doubleClickAtIndex(length is offset ? length - 1 : offset); |
|
46
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1049 return untranslateOffset(cast(int)/*64*/range.location); |
|
0
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|
1050 } |
|
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|
1051 default: |
|
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|
1052 break; |
|
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|
1053 } |
|
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1054 return -1; |
|
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1055 } |
|
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|
1056 |
|
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|
1057 /** |
|
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|
1058 * Returns the character offset for the specified point. |
|
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1059 * For a typical character, the trailing argument will be filled in to |
|
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1060 * indicate whether the point is closer to the leading edge (0) or |
|
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1061 * the trailing edge (1). When the point is over a cluster composed |
|
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1062 * of multiple characters, the trailing argument will be filled with the |
|
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1063 * position of the character in the cluster that is closest to |
|
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1064 * the point. |
|
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1065 * |
|
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1066 * @param point the point |
|
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1067 * @param trailing the trailing buffer |
|
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1068 * @return the character offset |
|
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1069 * |
|
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1070 * @exception IllegalArgumentException <ul> |
|
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1071 * <li>ERROR_INVALID_ARGUMENT - if the trailing length is less than <code>1</code></li> |
|
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1072 * <li>ERROR_NULL_ARGUMENT - if the point is null</li> |
|
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|
1073 * </ul> |
|
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1074 * @exception DWTException <ul> |
|
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1075 * <li>ERROR_GRAPHIC_DISPOSED - if the receiver has been disposed</li> |
|
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|
1076 * </ul> |
|
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|
1077 * |
|
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1078 * @see #getLocation(int, bool) |
|
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|
1079 */ |
|
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|
1080 public int getOffset(Point point, int[] trailing) { |
|
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|
1081 checkLayout(); |
| 45 | 1082 NSAutoreleasePool pool = null; |
|
46
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1083 if (!NSThread.isMainThread()) pool = cast(NSAutoreleasePool) (new NSAutoreleasePool()).alloc().init(); |
| 45 | 1084 try { |
| 1085 computeRuns(); | |
| 1086 if (point is null) DWT.error(DWT.ERROR_NULL_ARGUMENT); | |
| 1087 return getOffset(point.x, point.y, trailing); | |
| 1088 } finally { | |
| 1089 if (pool !is null) pool.release(); | |
| 1090 } | |
|
0
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1091 } |
|
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|
1092 |
|
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|
1093 /** |
|
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1094 * Returns the character offset for the specified point. |
|
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1095 * For a typical character, the trailing argument will be filled in to |
|
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1096 * indicate whether the point is closer to the leading edge (0) or |
|
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1097 * the trailing edge (1). When the point is over a cluster composed |
|
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1098 * of multiple characters, the trailing argument will be filled with the |
|
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1099 * position of the character in the cluster that is closest to |
|
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|
1100 * the point. |
|
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1101 * |
|
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1102 * @param x the x coordinate of the point |
|
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1103 * @param y the y coordinate of the point |
|
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1104 * @param trailing the trailing buffer |
|
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1105 * @return the character offset |
|
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1106 * |
|
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1107 * @exception IllegalArgumentException <ul> |
|
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1108 * <li>ERROR_INVALID_ARGUMENT - if the trailing length is less than <code>1</code></li> |
|
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|
1109 * </ul> |
|
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1110 * @exception DWTException <ul> |
|
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1111 * <li>ERROR_GRAPHIC_DISPOSED - if the receiver has been disposed</li> |
|
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|
1112 * </ul> |
|
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1113 * |
|
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1114 * @see #getLocation(int, bool) |
|
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|
1115 */ |
|
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1116 public int getOffset(int x, int y, int[] trailing) { |
|
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|
1117 checkLayout(); |
| 45 | 1118 NSAutoreleasePool pool = null; |
|
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1119 if (!NSThread.isMainThread()) pool = cast(NSAutoreleasePool) (new NSAutoreleasePool()).alloc().init(); |
| 45 | 1120 try { |
| 1121 computeRuns(); | |
| 1122 if (trailing !is null && trailing.length < 1) DWT.error(DWT.ERROR_INVALID_ARGUMENT); | |
| 1123 int length = text.length(); | |
| 1124 if (length is 0) return 0; | |
|
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diff
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|
1125 NSPoint pt = NSPoint(); |
| 45 | 1126 pt.x = x; |
| 1127 pt.y = y; | |
|
60
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Updated and fixed many modules to 3.514
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diff
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|
1128 Carbon.CGFloat partialFration; |
| 45 | 1129 NSUInteger glyphIndex = layoutManager.glyphIndexForPoint(pt, textContainer, &partialFration); |
|
46
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1130 NSUInteger offset = layoutManager.characterIndexForGlyphAtIndex(glyphIndex); |
|
37
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diff
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|
1131 if (trailing !is null) trailing[0] = cast(int) Math.round(partialFration); |
|
46
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diff
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|
1132 return Math.min(untranslateOffset(cast(int)/*64*/offset), length - 1); |
| 45 | 1133 } finally { |
| 1134 if (pool !is null) pool.release(); | |
| 1135 } | |
|
0
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|
1136 } |
|
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1137 |
|
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|
1138 /** |
|
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1139 * Returns the orientation of the receiver. |
|
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1140 * |
|
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1141 * @return the orientation style |
|
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1142 * |
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1143 * @exception DWTException <ul> |
|
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1144 * <li>ERROR_GRAPHIC_DISPOSED - if the receiver has been disposed</li> |
|
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1145 * </ul> |
|
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1146 */ |
|
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1147 public int getOrientation() { |
|
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1148 checkLayout(); |
|
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1149 return orientation; |
|
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1150 } |
|
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1151 |
|
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|
1152 /** |
|
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1153 * Returns the previous offset for the specified offset and movement |
|
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1154 * type. The movement is one of <code>DWT.MOVEMENT_CHAR</code>, |
|
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1155 * <code>DWT.MOVEMENT_CLUSTER</code> or <code>DWT.MOVEMENT_WORD</code>, |
|
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1156 * <code>DWT.MOVEMENT_WORD_END</code> or <code>DWT.MOVEMENT_WORD_START</code>. |
|
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|
1157 * |
|
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1158 * @param offset the start offset |
|
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1159 * @param movement the movement type |
|
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1160 * @return the previous offset |
|
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1161 * |
|
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1162 * @exception IllegalArgumentException <ul> |
|
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1163 * <li>ERROR_INVALID_ARGUMENT - if the offset is out of range</li> |
|
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1164 * </ul> |
|
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1165 * @exception DWTException <ul> |
|
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changeset
|
1166 * <li>ERROR_GRAPHIC_DISPOSED - if the receiver has been disposed</li> |
|
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|
1167 * </ul> |
|
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|
1168 * |
|
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|
1169 * @see #getNextOffset(int, int) |
|
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|
1170 */ |
|
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|
1171 public int getPreviousOffset (int index, int movement) { |
| 45 | 1172 NSAutoreleasePool pool = null; |
|
46
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Jacob Carlborg <doob@me.com>
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|
1173 if (!NSThread.isMainThread()) pool = cast(NSAutoreleasePool) (new NSAutoreleasePool()).alloc().init(); |
| 45 | 1174 try { |
| 1175 return _getOffset(index, movement, false); | |
| 1176 } finally { | |
| 1177 if (pool !is null) pool.release(); | |
| 1178 } | |
|
0
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1179 } |
|
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1180 |
|
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|
1181 /** |
|
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|
1182 * Gets the ranges of text that are associated with a <code>TextStyle</code>. |
|
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1183 * |
|
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1184 * @return the ranges, an array of offsets representing the start and end of each |
|
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|
1185 * text style. |
|
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1186 * |
|
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1187 * @exception DWTException <ul> |
|
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1188 * <li>ERROR_GRAPHIC_DISPOSED - if the receiver has been disposed</li> |
|
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|
1189 * </ul> |
|
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1190 * |
|
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|
1191 * @see #getStyles() |
|
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1192 * |
|
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1193 * @since 3.2 |
|
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1194 */ |
|
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|
1195 public int[] getRanges () { |
|
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1196 checkLayout(); |
|
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|
1197 int[] result = new int[styles.length * 2]; |
|
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1198 int count = 0; |
|
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|
1199 for (int i=0; i<styles.length - 1; i++) { |
|
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|
1200 if (styles[i].style !is null) { |
|
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|
1201 result[count++] = styles[i].start; |
|
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|
1202 result[count++] = styles[i + 1].start - 1; |
|
380af2bdd8e5
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|
1203 } |
|
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|
1204 } |
|
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|
1205 if (count !is result.length) { |
|
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|
1206 int[] newResult = new int[count]; |
|
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|
1207 System.arraycopy(result, 0, newResult, 0, count); |
|
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|
1208 result = newResult; |
|
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|
1209 } |
|
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|
1210 return result; |
|
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|
1211 } |
|
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|
1212 |
|
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|
1213 /** |
|
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|
1214 * Returns the text segments offsets of the receiver. |
|
380af2bdd8e5
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|
1215 * |
|
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Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
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|
1216 * @return the text segments offsets |
|
380af2bdd8e5
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|
1217 * |
|
380af2bdd8e5
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|
1218 * @exception DWTException <ul> |
|
380af2bdd8e5
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|
1219 * <li>ERROR_GRAPHIC_DISPOSED - if the receiver has been disposed</li> |
|
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|
1220 * </ul> |
|
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|
1221 */ |
|
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|
1222 public int[] getSegments() { |
|
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|
1223 checkLayout(); |
|
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|
1224 return segments; |
|
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|
1225 } |
|
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|
1226 |
|
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|
1227 /** |
|
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|
1228 * Returns the line spacing of the receiver. |
|
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|
1229 * |
|
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|
1230 * @return the line spacing |
|
380af2bdd8e5
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|
1231 * |
|
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|
1232 * @exception DWTException <ul> |
|
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|
1233 * <li>ERROR_GRAPHIC_DISPOSED - if the receiver has been disposed</li> |
|
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|
1234 * </ul> |
|
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|
1235 */ |
|
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|
1236 public int getSpacing () { |
|
380af2bdd8e5
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|
1237 checkLayout(); |
|
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|
1238 return spacing; |
|
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|
1239 } |
|
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|
1240 |
|
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changeset
|
1241 /** |
|
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|
1242 * Gets the style of the receiver at the specified character offset. |
|
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|
1243 * |
|
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|
1244 * @param offset the text offset |
|
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|
1245 * @return the style or <code>null</code> if not set |
|
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|
1246 * |
|
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|
1247 * @exception IllegalArgumentException <ul> |
|
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|
1248 * <li>ERROR_INVALID_ARGUMENT - if the character offset is out of range</li> |
|
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|
1249 * </ul> |
|
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|
1250 * @exception DWTException <ul> |
|
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|
1251 * <li>ERROR_GRAPHIC_DISPOSED - if the receiver has been disposed</li> |
|
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|
1252 * </ul> |
|
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|
1253 */ |
|
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|
1254 public TextStyle getStyle (int offset) { |
|
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|
1255 checkLayout(); |
|
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|
1256 int length = text.length(); |
|
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parents:
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changeset
|
1257 if (!(0 <= offset && offset < length)) DWT.error(DWT.ERROR_INVALID_RANGE); |
|
380af2bdd8e5
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changeset
|
1258 for (int i=1; i<styles.length; i++) { |
|
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|
1259 StyleItem item = styles[i]; |
|
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|
1260 if (item.start > offset) { |
|
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changeset
|
1261 return styles[i - 1].style; |
|
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|
1262 } |
|
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changeset
|
1263 } |
|
380af2bdd8e5
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changeset
|
1264 return null; |
|
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|
1265 } |
|
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|
1266 |
|
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changeset
|
1267 /** |
|
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|
1268 * Gets all styles of the receiver. |
|
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|
1269 * |
|
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|
1270 * @return the styles |
|
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|
1271 * |
|
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|
1272 * @exception DWTException <ul> |
|
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|
1273 * <li>ERROR_GRAPHIC_DISPOSED - if the receiver has been disposed</li> |
|
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|
1274 * </ul> |
|
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|
1275 * |
|
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changeset
|
1276 * @see #getRanges() |
|
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changeset
|
1277 * |
|
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|
1278 * @since 3.2 |
|
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diff
changeset
|
1279 */ |
|
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parents:
diff
changeset
|
1280 public TextStyle[] getStyles () { |
|
380af2bdd8e5
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parents:
diff
changeset
|
1281 checkLayout(); |
|
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parents:
diff
changeset
|
1282 TextStyle[] result = new TextStyle[styles.length]; |
|
380af2bdd8e5
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changeset
|
1283 int count = 0; |
|
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|
1284 for (int i=0; i<styles.length; i++) { |
|
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|
1285 if (styles[i].style !is null) { |
|
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1286 result[count++] = styles[i].style; |
|
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|
1287 } |
|
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|
1288 } |
|
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|
1289 if (count !is result.length) { |
|
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1290 TextStyle[] newResult = new TextStyle[count]; |
|
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1291 System.arraycopy(result, 0, newResult, 0, count); |
|
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1292 result = newResult; |
|
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|
1293 } |
|
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1294 return result; |
|
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|
1295 } |
|
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|
1296 |
|
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|
1297 /** |
|
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1298 * Returns the tab list of the receiver. |
|
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1299 * |
|
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1300 * @return the tab list |
|
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1301 * |
|
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1302 * @exception DWTException <ul> |
|
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1303 * <li>ERROR_GRAPHIC_DISPOSED - if the receiver has been disposed</li> |
|
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1304 * </ul> |
|
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1305 */ |
|
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1306 public int[] getTabs() { |
|
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|
1307 checkLayout(); |
|
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1308 return tabs; |
|
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1309 } |
|
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1310 |
|
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|
1311 /** |
|
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1312 * Gets the receiver's text, which will be an empty |
|
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1313 * string if it has never been set. |
|
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1314 * |
|
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1315 * @return the receiver's text |
|
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1316 * |
|
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1317 * @exception DWTException <ul> |
|
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1318 * <li>ERROR_GRAPHIC_DISPOSED - if the receiver has been disposed</li> |
|
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1319 * </ul> |
|
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1320 */ |
|
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|
1321 public String getText () { |
|
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1322 checkLayout (); |
|
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1323 return text; |
|
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|
1324 } |
|
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|
1325 |
|
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|
1326 /** |
|
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1327 * Returns the width of the receiver. |
|
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1328 * |
|
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1329 * @return the width |
|
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1330 * |
|
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1331 * @exception DWTException <ul> |
|
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1332 * <li>ERROR_GRAPHIC_DISPOSED - if the receiver has been disposed</li> |
|
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1333 * </ul> |
|
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|
1334 */ |
|
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1335 public int getWidth () { |
|
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|
1336 checkLayout(); |
|
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1337 return wrapWidth; |
|
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|
1338 } |
|
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|
1339 |
|
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|
1340 /** |
|
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|
1341 * Returns <code>true</code> if the text layout has been disposed, |
|
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1342 * and <code>false</code> otherwise. |
|
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|
1343 * <p> |
|
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|
1344 * This method gets the dispose state for the text layout. |
|
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1345 * When a text layout has been disposed, it is an error to |
|
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|
1346 * invoke any other method using the text layout. |
|
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|
1347 * </p> |
|
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|
1348 * |
|
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|
1349 * @return <code>true</code> when the text layout is disposed and <code>false</code> otherwise |
|
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|
1350 */ |
|
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|
1351 public bool isDisposed () { |
|
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1352 return device is null; |
|
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|
1353 } |
|
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|
1354 |
|
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|
1355 /** |
|
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1356 * Sets the text alignment for the receiver. The alignment controls |
|
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|
1357 * how a line of text is positioned horizontally. The argument should |
|
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|
1358 * be one of <code>DWT.LEFT</code>, <code>DWT.RIGHT</code> or <code>DWT.CENTER</code>. |
|
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|
1359 * <p> |
|
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1360 * The default alignment is <code>DWT.LEFT</code>. Note that the receiver's |
|
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1361 * width must be set in order to use <code>DWT.RIGHT</code> or <code>DWT.CENTER</code> |
|
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|
1362 * alignment. |
|
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|
1363 * </p> |
|
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|
1364 * |
|
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1365 * @param alignment the new alignment |
|
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|
1366 * |
|
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1367 * @exception DWTException <ul> |
|
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1368 * <li>ERROR_GRAPHIC_DISPOSED - if the receiver has been disposed</li> |
|
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|
1369 * </ul> |
|
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|
1370 * |
|
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1371 * @see #setWidth(int) |
|
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|
1372 */ |
|
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|
1373 public void setAlignment (int alignment) { |
|
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|
1374 checkLayout(); |
|
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|
1375 int mask = DWT.LEFT | DWT.CENTER | DWT.RIGHT; |
|
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|
1376 alignment &= mask; |
|
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|
1377 if (alignment is 0) return; |
|
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|
1378 if ((alignment & DWT.LEFT) !is 0) alignment = DWT.LEFT; |
|
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|
1379 if ((alignment & DWT.RIGHT) !is 0) alignment = DWT.RIGHT; |
|
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|
1380 if (this.alignment is alignment) return; |
| 45 | 1381 NSAutoreleasePool pool = null; |
|
46
cfa563df4fdd
Updated Widget and Display to 3.514
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parents:
45
diff
changeset
|
1382 if (!NSThread.isMainThread()) pool = cast(NSAutoreleasePool) (new NSAutoreleasePool()).alloc().init(); |
| 45 | 1383 try { |
| 1384 freeRuns(); | |
| 1385 this.alignment = alignment; | |
| 1386 } finally { | |
| 1387 if (pool !is null) pool.release(); | |
| 1388 } | |
|
0
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|
1389 } |
|
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|
1390 |
|
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|
1391 /** |
|
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|
1392 * Sets the ascent of the receiver. The ascent is distance in pixels |
|
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|
1393 * from the baseline to the top of the line and it is applied to all |
|
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|
1394 * lines. The default value is <code>-1</code> which means that the |
|
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|
1395 * ascent is calculated from the line fonts. |
|
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|
1396 * |
|
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|
1397 * @param ascent the new ascent |
|
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|
1398 * |
|
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|
1399 * @exception IllegalArgumentException <ul> |
|
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changeset
|
1400 * <li>ERROR_INVALID_ARGUMENT - if the ascent is less than <code>-1</code></li> |
|
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|
1401 * </ul> |
|
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|
1402 * @exception DWTException <ul> |
|
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|
1403 * <li>ERROR_GRAPHIC_DISPOSED - if the receiver has been disposed</li> |
|
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|
1404 * </ul> |
|
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|
1405 * |
|
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Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
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|
1406 * @see #setDescent(int) |
|
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Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
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|
1407 * @see #getLineMetrics(int) |
|
380af2bdd8e5
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|
1408 */ |
|
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|
1409 public void setAscent (int ascent) { |
|
380af2bdd8e5
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|
1410 checkLayout (); |
|
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|
1411 if (ascent < -1) DWT.error(DWT.ERROR_INVALID_ARGUMENT); |
|
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|
1412 if (this.ascent is ascent) return; |
| 45 | 1413 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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|
1414 if (!NSThread.isMainThread()) pool = cast(NSAutoreleasePool) (new NSAutoreleasePool()).alloc().init(); |
| 45 | 1415 try { |
| 1416 freeRuns(); | |
| 1417 this.ascent = ascent; | |
| 1418 } finally { | |
| 1419 if (pool !is null) pool.release(); | |
| 1420 } | |
|
0
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|
1421 } |
|
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|
1422 |
|
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|
1423 /** |
|
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|
1424 * Sets the descent of the receiver. The descent is distance in pixels |
|
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|
1425 * from the baseline to the bottom of the line and it is applied to all |
|
380af2bdd8e5
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|
1426 * lines. The default value is <code>-1</code> which means that the |
|
380af2bdd8e5
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Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
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|
1427 * descent is calculated from the line fonts. |
|
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|
1428 * |
|
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|
1429 * @param descent the new descent |
|
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|
1430 * |
|
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|
1431 * @exception IllegalArgumentException <ul> |
|
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|
1432 * <li>ERROR_INVALID_ARGUMENT - if the descent is less than <code>-1</code></li> |
|
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|
1433 * </ul> |
|
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|
1434 * @exception DWTException <ul> |
|
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|
1435 * <li>ERROR_GRAPHIC_DISPOSED - if the receiver has been disposed</li> |
|
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|
1436 * </ul> |
|
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|
1437 * |
|
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|
1438 * @see #setAscent(int) |
|
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|
1439 * @see #getLineMetrics(int) |
|
380af2bdd8e5
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|
1440 */ |
|
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|
1441 public void setDescent (int descent) { |
|
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|
1442 checkLayout (); |
|
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Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
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|
1443 if (descent < -1) DWT.error(DWT.ERROR_INVALID_ARGUMENT); |
|
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|
1444 if (this.descent is descent) return; |
| 45 | 1445 NSAutoreleasePool pool = null; |
|
46
cfa563df4fdd
Updated Widget and Display to 3.514
Jacob Carlborg <doob@me.com>
parents:
45
diff
changeset
|
1446 if (!NSThread.isMainThread()) pool = cast(NSAutoreleasePool) (new NSAutoreleasePool()).alloc().init(); |
| 45 | 1447 try { |
| 1448 freeRuns(); | |
| 1449 this.descent = descent; | |
| 1450 } finally { | |
| 1451 if (pool !is null) pool.release(); | |
| 1452 } | |
|
0
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|
1453 } |
|
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|
1454 |
|
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|
1455 /** |
|
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|
1456 * Sets the default font which will be used by the receiver |
|
380af2bdd8e5
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Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
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|
1457 * to draw and measure text. If the |
|
380af2bdd8e5
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Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
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changeset
|
1458 * argument is null, then a default font appropriate |
|
380af2bdd8e5
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Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
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|
1459 * 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>
parents:
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changeset
|
1460 * style can override the default font. |
|
380af2bdd8e5
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changeset
|
1461 * |
|
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Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
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diff
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|
1462 * @param font the new font for the receiver, or null to indicate a default font |
|
380af2bdd8e5
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|
1463 * |
|
380af2bdd8e5
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Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
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|
1464 * @exception IllegalArgumentException <ul> |
|
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|
1465 * <li>ERROR_INVALID_ARGUMENT - if the font has been disposed</li> |
|
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|
1466 * </ul> |
|
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|
1467 * @exception DWTException <ul> |
|
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|
1468 * <li>ERROR_GRAPHIC_DISPOSED - if the receiver has been disposed</li> |
|
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|
1469 * </ul> |
|
380af2bdd8e5
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changeset
|
1470 */ |
|
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changeset
|
1471 public void setFont (Font font) { |
|
380af2bdd8e5
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parents:
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changeset
|
1472 checkLayout (); |
|
380af2bdd8e5
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Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
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changeset
|
1473 if (font !is null && font.isDisposed()) DWT.error(DWT.ERROR_INVALID_ARGUMENT); |
|
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changeset
|
1474 Font oldFont = this.font; |
|
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Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
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changeset
|
1475 if (oldFont is font) return; |
|
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Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
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|
1476 this.font = font; |
|
380af2bdd8e5
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Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff
changeset
|
1477 if (oldFont !is null && oldFont.equals(font)) return; |
| 45 | 1478 NSAutoreleasePool pool = null; |
|
46
cfa563df4fdd
Updated Widget and Display to 3.514
Jacob Carlborg <doob@me.com>
parents:
45
diff
changeset
|
1479 if (!NSThread.isMainThread()) pool = cast(NSAutoreleasePool) (new NSAutoreleasePool()).alloc().init(); |
| 45 | 1480 try { |
| 1481 freeRuns(); | |
| 1482 } finally { | |
| 1483 if (pool !is null) pool.release(); | |
| 1484 } | |
|
0
380af2bdd8e5
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changeset
|
1485 } |
|
380af2bdd8e5
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changeset
|
1486 |
|
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changeset
|
1487 /** |
|
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diff
changeset
|
1488 * Sets the indent of the receiver. This indent it applied of the first line of |
|
380af2bdd8e5
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parents:
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|
1489 * each paragraph. |
|
380af2bdd8e5
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parents:
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changeset
|
1490 * |
|
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|
1491 * @param indent new indent |
|
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|
1492 * |
|
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|
1493 * @exception DWTException <ul> |
|
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|
1494 * <li>ERROR_GRAPHIC_DISPOSED - if the receiver has been disposed</li> |
|
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changeset
|
1495 * </ul> |
|
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|
1496 * |
|
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|
1497 * @since 3.2 |
|
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|
1498 */ |
|
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changeset
|
1499 public void setIndent (int indent) { |
|
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|
1500 checkLayout (); |
|
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|
1501 if (indent < 0) return; |
|
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parents:
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|
1502 if (this.indent is indent) return; |
| 45 | 1503 NSAutoreleasePool pool = null; |
|
46
cfa563df4fdd
Updated Widget and Display to 3.514
Jacob Carlborg <doob@me.com>
parents:
45
diff
changeset
|
1504 if (!NSThread.isMainThread()) pool = cast(NSAutoreleasePool) (new NSAutoreleasePool()).alloc().init(); |
| 45 | 1505 try { |
| 1506 freeRuns(); | |
| 1507 this.indent = indent; | |
| 1508 } finally { | |
| 1509 if (pool !is null) pool.release(); | |
| 1510 } | |
|
0
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|
1511 } |
|
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|
1512 |
|
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|
1513 /** |
|
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|
1514 * Sets the justification of the receiver. Note that the receiver's |
|
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|
1515 * width must be set in order to use justification. |
|
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|
1516 * |
|
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|
1517 * @param justify new justify |
|
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|
1518 * |
|
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|
1519 * @exception DWTException <ul> |
|
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|
1520 * <li>ERROR_GRAPHIC_DISPOSED - if the receiver has been disposed</li> |
|
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|
1521 * </ul> |
|
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|
1522 * |
|
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|
1523 * @since 3.2 |
|
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|
1524 */ |
|
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changeset
|
1525 public void setJustify (bool justify) { |
|
380af2bdd8e5
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|
1526 checkLayout (); |
|
380af2bdd8e5
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parents:
diff
changeset
|
1527 if (justify is this.justify) return; |
| 45 | 1528 NSAutoreleasePool pool = null; |
|
46
cfa563df4fdd
Updated Widget and Display to 3.514
Jacob Carlborg <doob@me.com>
parents:
45
diff
changeset
|
1529 if (!NSThread.isMainThread()) pool = cast(NSAutoreleasePool) (new NSAutoreleasePool()).alloc().init(); |
| 45 | 1530 try { |
| 1531 freeRuns(); | |
| 1532 this.justify = justify; | |
| 1533 } finally { | |
| 1534 if (pool !is null) pool.release(); | |
| 1535 } | |
|
0
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|
1536 } |
|
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|
1537 |
|
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|
1538 /** |
|
380af2bdd8e5
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Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
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|
1539 * Sets the orientation of the receiver, which must be one |
|
380af2bdd8e5
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|
1540 * of <code>DWT.LEFT_TO_RIGHT</code> or <code>DWT.RIGHT_TO_LEFT</code>. |
|
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|
1541 * |
|
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|
1542 * @param orientation new orientation style |
|
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|
1543 * |
|
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|
1544 * @exception DWTException <ul> |
|
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1545 * <li>ERROR_GRAPHIC_DISPOSED - if the receiver has been disposed</li> |
|
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|
1546 * </ul> |
|
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|
1547 */ |
|
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|
1548 public void setOrientation(int orientation) { |
|
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|
1549 checkLayout(); |
|
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|
1550 int mask = DWT.LEFT_TO_RIGHT | DWT.RIGHT_TO_LEFT; |
|
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|
1551 orientation &= mask; |
|
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|
1552 if (orientation is 0) return; |
|
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|
1553 if ((orientation & DWT.LEFT_TO_RIGHT) !is 0) orientation = DWT.LEFT_TO_RIGHT; |
|
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|
1554 if (this.orientation is orientation) return; |
|
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|
1555 this.orientation = orientation; |
| 45 | 1556 NSAutoreleasePool pool = null; |
|
46
cfa563df4fdd
Updated Widget and Display to 3.514
Jacob Carlborg <doob@me.com>
parents:
45
diff
changeset
|
1557 if (!NSThread.isMainThread()) pool = cast(NSAutoreleasePool) (new NSAutoreleasePool()).alloc().init(); |
| 45 | 1558 try { |
| 1559 freeRuns(); | |
| 1560 } finally { | |
| 1561 if (pool !is null) pool.release(); | |
| 1562 } | |
|
0
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|
1563 } |
|
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|
1564 |
|
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|
1565 /** |
|
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|
1566 * Sets the offsets of the receiver's text segments. Text segments are used to |
|
380af2bdd8e5
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|
1567 * override the default behaviour of the bidirectional algorithm. |
|
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|
1568 * Bidirectional reordering can happen within a text segment but not |
|
380af2bdd8e5
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1569 * between two adjacent segments. |
|
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|
1570 * <p> |
|
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1571 * Each text segment is determined by two consecutive offsets in the |
|
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|
1572 * <code>segments</code> arrays. The first element of the array should |
|
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|
1573 * always be zero and the last one should always be equals to length of |
|
380af2bdd8e5
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|
1574 * the text. |
|
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|
1575 * </p> |
|
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|
1576 * |
|
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|
1577 * @param segments the text segments offset |
|
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|
1578 * |
|
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|
1579 * @exception DWTException <ul> |
|
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1580 * <li>ERROR_GRAPHIC_DISPOSED - if the receiver has been disposed</li> |
|
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|
1581 * </ul> |
|
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|
1582 */ |
|
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|
1583 public void setSegments(int[] segments) { |
|
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|
1584 checkLayout(); |
|
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|
1585 if (this.segments is null && segments is null) return; |
|
36
db5a898b2119
Fixed a lot of compile errors
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
7
diff
changeset
|
1586 if (this.segments !is null && segments !is null) { |
|
0
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Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
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|
1587 if (this.segments.length is segments.length) { |
|
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|
1588 int i; |
|
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|
1589 for (i = 0; i <segments.length; i++) { |
|
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Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
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|
1590 if (this.segments[i] !is segments[i]) break; |
|
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|
1591 } |
|
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|
1592 if (i is segments.length) return; |
|
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|
1593 } |
|
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|
1594 } |
| 45 | 1595 NSAutoreleasePool pool = null; |
|
46
cfa563df4fdd
Updated Widget and Display to 3.514
Jacob Carlborg <doob@me.com>
parents:
45
diff
changeset
|
1596 if (!NSThread.isMainThread()) pool = cast(NSAutoreleasePool) (new NSAutoreleasePool()).alloc().init(); |
| 45 | 1597 try { |
| 1598 freeRuns(); | |
| 1599 this.segments = segments; | |
| 1600 } finally { | |
| 1601 if (pool !is null) pool.release(); | |
| 1602 } | |
|
0
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|
1603 } |
|
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|
1604 |
|
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|
1605 /** |
|
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|
1606 * Sets the line spacing of the receiver. The line spacing |
|
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|
1607 * is the space left between lines. |
|
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|
1608 * |
|
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|
1609 * @param spacing the new line spacing |
|
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|
1610 * |
|
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|
1611 * @exception IllegalArgumentException <ul> |
|
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1612 * <li>ERROR_INVALID_ARGUMENT - if the spacing is negative</li> |
|
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|
1613 * </ul> |
|
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1614 * @exception DWTException <ul> |
|
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1615 * <li>ERROR_GRAPHIC_DISPOSED - if the receiver has been disposed</li> |
|
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|
1616 * </ul> |
|
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|
1617 */ |
|
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|
1618 public void setSpacing (int spacing) { |
|
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|
1619 checkLayout(); |
|
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|
1620 if (spacing < 0) DWT.error(DWT.ERROR_INVALID_ARGUMENT); |
|
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|
1621 if (this.spacing is spacing) return; |
| 45 | 1622 NSAutoreleasePool pool = null; |
|
46
cfa563df4fdd
Updated Widget and Display to 3.514
Jacob Carlborg <doob@me.com>
parents:
45
diff
changeset
|
1623 if (!NSThread.isMainThread()) pool = cast(NSAutoreleasePool) (new NSAutoreleasePool()).alloc().init(); |
| 45 | 1624 try { |
| 1625 freeRuns(); | |
| 1626 this.spacing = spacing; | |
| 1627 } finally { | |
| 1628 if (pool !is null) pool.release(); | |
| 1629 } | |
|
0
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|
1630 } |
|
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|
1631 |
|
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|
1632 /** |
|
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|
1633 * Sets the style of the receiver for the specified range. Styles previously |
|
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|
1634 * set for that range will be overwritten. The start and end offsets are |
|
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|
1635 * inclusive and will be clamped if out of range. |
|
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|
1636 * |
|
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|
1637 * @param style the style |
|
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|
1638 * @param start the start offset |
|
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|
1639 * @param end the end offset |
|
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|
1640 * |
|
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|
1641 * @exception DWTException <ul> |
|
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1642 * <li>ERROR_GRAPHIC_DISPOSED - if the receiver has been disposed</li> |
|
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|
1643 * </ul> |
|
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|
1644 */ |
|
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|
1645 public void setStyle (TextStyle style, int start, int end) { |
|
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|
1646 checkLayout(); |
| 45 | 1647 NSAutoreleasePool pool = null; |
|
46
cfa563df4fdd
Updated Widget and Display to 3.514
Jacob Carlborg <doob@me.com>
parents:
45
diff
changeset
|
1648 if (!NSThread.isMainThread()) pool = cast(NSAutoreleasePool) (new NSAutoreleasePool()).alloc().init(); |
| 45 | 1649 try { |
| 1650 int length = text.length(); | |
| 1651 if (length is 0) return; | |
| 1652 if (start > end) return; | |
| 1653 start = Math.min(Math.max(0, start), length - 1); | |
| 1654 end = Math.min(Math.max(0, end), length - 1); | |
| 1655 int low = -1; | |
| 1656 int high = styles.length; | |
| 1657 while (high - low > 1) { | |
| 1658 int index = (high + low) / 2; | |
| 1659 if (styles[index + 1].start > start) { | |
| 1660 high = index; | |
| 1661 } else { | |
| 1662 low = index; | |
| 1663 } | |
|
0
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|
1664 } |
| 45 | 1665 if (0 <= high && high < styles.length) { |
| 1666 StyleItem item = styles[high]; | |
| 1667 if (item.start is start && styles[high + 1].start - 1 is end) { | |
| 1668 if (style is null) { | |
| 1669 if (item.style is null) return; | |
| 1670 } else { | |
| 1671 if (style.equals(item.style)) return; | |
| 1672 } | |
|
0
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|
1673 } |
|
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|
1674 } |
| 45 | 1675 freeRuns(); |
| 1676 int modifyStart = high; | |
| 1677 int modifyEnd = modifyStart; | |
| 1678 while (modifyEnd < styles.length) { | |
| 1679 if (styles[modifyEnd + 1].start > end) break; | |
| 1680 modifyEnd++; | |
|
0
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|
1681 } |
| 45 | 1682 if (modifyStart is modifyEnd) { |
| 1683 int styleStart = styles[modifyStart].start; | |
| 1684 int styleEnd = styles[modifyEnd + 1].start - 1; | |
| 1685 if (styleStart is start && styleEnd is end) { | |
| 1686 styles[modifyStart].style = style; | |
| 1687 return; | |
| 1688 } | |
| 1689 if (styleStart !is start && styleEnd !is end) { | |
| 1690 StyleItem[] newStyles = new StyleItem[styles.length + 2]; | |
| 1691 System.arraycopy(styles, 0, newStyles, 0, modifyStart + 1); | |
| 1692 StyleItem item = new StyleItem(); | |
| 1693 item.start = start; | |
| 1694 item.style = style; | |
| 1695 newStyles[modifyStart + 1] = item; | |
| 1696 item = new StyleItem(); | |
| 1697 item.start = end + 1; | |
| 1698 item.style = styles[modifyStart].style; | |
| 1699 newStyles[modifyStart + 2] = item; | |
| 1700 System.arraycopy(styles, modifyEnd + 1, newStyles, modifyEnd + 3, styles.length - modifyEnd - 1); | |
| 1701 styles = newStyles; | |
| 1702 return; | |
| 1703 } | |
|
0
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|
1704 } |
| 45 | 1705 if (start is styles[modifyStart].start) modifyStart--; |
| 1706 if (end is styles[modifyEnd + 1].start - 1) modifyEnd++; | |
| 1707 int newLength = styles.length + 1 - (modifyEnd - modifyStart - 1); | |
| 1708 StyleItem[] newStyles = new StyleItem[newLength]; | |
| 1709 System.arraycopy(styles, 0, newStyles, 0, modifyStart + 1); | |
| 1710 StyleItem item = new StyleItem(); | |
| 1711 item.start = start; | |
| 1712 item.style = style; | |
| 1713 newStyles[modifyStart + 1] = item; | |
| 1714 styles[modifyEnd].start = end + 1; | |
| 1715 System.arraycopy(styles, modifyEnd, newStyles, modifyStart + 2, styles.length - modifyEnd); | |
| 1716 styles = newStyles; | |
| 1717 } finally { | |
| 1718 if (pool !is null) pool.release(); | |
|
0
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1719 } |
|
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1720 } |
|
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1721 |
|
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1722 /** |
|
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1723 * Sets the receiver's tab list. Each value in the tab list specifies |
|
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1724 * the space in pixels from the origin of the text layout to the respective |
|
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1725 * tab stop. The last tab stop width is repeated continuously. |
|
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1726 * |
|
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1727 * @param tabs the new tab list |
|
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1728 * |
|
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1729 * @exception DWTException <ul> |
|
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1730 * <li>ERROR_GRAPHIC_DISPOSED - if the receiver has been disposed</li> |
|
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1731 * </ul> |
|
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|
1732 */ |
|
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|
1733 public void setTabs(int[] tabs) { |
|
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1734 checkLayout(); |
|
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|
1735 if (this.tabs is null && tabs is null) return; |
|
36
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|
1736 if (this.tabs !is null && tabs !is null) { |
|
0
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1737 if (this.tabs.length is tabs.length) { |
|
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|
1738 int i; |
|
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1739 for (i = 0; i < tabs.length; i++) { |
|
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|
1740 if (this.tabs[i] !is tabs[i]) break; |
|
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1741 } |
|
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|
1742 if (i is tabs.length) return; |
|
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1743 } |
|
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|
1744 } |
| 45 | 1745 NSAutoreleasePool pool = null; |
|
46
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Updated Widget and Display to 3.514
Jacob Carlborg <doob@me.com>
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diff
changeset
|
1746 if (!NSThread.isMainThread()) pool = cast(NSAutoreleasePool) (new NSAutoreleasePool()).alloc().init(); |
| 45 | 1747 try { |
| 1748 freeRuns(); | |
| 1749 this.tabs = tabs; | |
| 1750 } finally { | |
| 1751 if (pool !is null) pool.release(); | |
| 1752 } | |
|
0
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1753 } |
|
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|
1754 |
|
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|
1755 /** |
|
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1756 * Sets the receiver's text. |
|
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1757 * |
|
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|
1758 * @param text the new text |
|
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1759 * |
|
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|
1760 * @exception IllegalArgumentException <ul> |
|
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1761 * <li>ERROR_NULL_ARGUMENT - if the text is null</li> |
|
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|
1762 * </ul> |
|
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1763 * @exception DWTException <ul> |
|
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1764 * <li>ERROR_GRAPHIC_DISPOSED - if the receiver has been disposed</li> |
|
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|
1765 * </ul> |
|
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|
1766 */ |
|
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|
1767 public void setText (String text) { |
|
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|
1768 checkLayout (); |
|
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|
1769 if (text is null) DWT.error(DWT.ERROR_NULL_ARGUMENT); |
|
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|
1770 if (text.equals(this.text)) return; |
| 45 | 1771 NSAutoreleasePool pool = null; |
|
46
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Updated Widget and Display to 3.514
Jacob Carlborg <doob@me.com>
parents:
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diff
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|
1772 if (!NSThread.isMainThread()) pool = cast(NSAutoreleasePool) (new NSAutoreleasePool()).alloc().init(); |
| 45 | 1773 try { |
| 1774 freeRuns(); | |
| 1775 this.text = text; | |
| 1776 styles = new StyleItem[2]; | |
| 1777 styles[0] = new StyleItem(); | |
| 1778 styles[1] = new StyleItem(); | |
| 1779 styles[styles.length - 1].start = text.length(); | |
| 1780 } finally { | |
| 1781 if (pool !is null) pool.release(); | |
| 1782 } | |
|
0
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|
1783 } |
|
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1784 |
|
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|
1785 /** |
|
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|
1786 * Sets the line width of the receiver, which determines how |
|
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|
1787 * text should be wrapped and aligned. The default value is |
|
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|
1788 * <code>-1</code> which means wrapping is disabled. |
|
380af2bdd8e5
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|
1789 * |
|
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|
1790 * @param width the new width |
|
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|
1791 * |
|
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|
1792 * @exception IllegalArgumentException <ul> |
|
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|
1793 * <li>ERROR_INVALID_ARGUMENT - if the width is <code>0</code> or less than <code>-1</code></li> |
|
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|
1794 * </ul> |
|
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1795 * @exception DWTException <ul> |
|
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1796 * <li>ERROR_GRAPHIC_DISPOSED - if the receiver has been disposed</li> |
|
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|
1797 * </ul> |
|
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1798 * |
|
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|
1799 * @see #setAlignment(int) |
|
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|
1800 */ |
|
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|
1801 public void setWidth (int width) { |
|
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1802 checkLayout(); |
|
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|
1803 if (width < -1 || width is 0) DWT.error(DWT.ERROR_INVALID_ARGUMENT); |
|
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|
1804 if (this.wrapWidth is width) return; |
| 45 | 1805 NSAutoreleasePool pool = null; |
|
46
cfa563df4fdd
Updated Widget and Display to 3.514
Jacob Carlborg <doob@me.com>
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45
diff
changeset
|
1806 if (!NSThread.isMainThread()) pool = cast(NSAutoreleasePool) (new NSAutoreleasePool()).alloc().init(); |
| 45 | 1807 try { |
| 1808 freeRuns(); | |
| 1809 this.wrapWidth = width; | |
| 1810 } finally { | |
| 1811 if (pool !is null) pool.release(); | |
| 1812 } | |
|
0
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|
1813 } |
|
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1814 |
|
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1815 /** |
|
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1816 * Returns a string containing a concise, human-readable |
|
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|
1817 * description of the receiver. |
|
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1818 * |
|
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1819 * @return a string representation of the receiver |
|
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1820 */ |
|
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|
1821 public String toString () { |
|
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|
1822 if (isDisposed()) return "TextLayout {*DISPOSED*}"; |
|
37
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Fixed a lot of compile errors, a "hello world" app compiles now
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diff
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|
1823 return "TextLayout {" ~ text ~ "}"; |
|
0
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|
1824 } |
|
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|
1825 |
|
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|
1826 /* |
|
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|
1827 * Translate a client offset to an internal offset |
|
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|
1828 */ |
|
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|
1829 int translateOffset (int offset) { |
|
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|
1830 return offset; |
|
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|
1831 } |
|
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|
1832 |
|
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|
1833 /* |
|
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|
1834 * Translate an internal offset to a client offset |
|
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|
1835 */ |
|
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|
1836 int untranslateOffset (int offset) { |
|
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|
1837 return offset; |
|
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|
1838 } |
|
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|
1839 |
|
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|
1840 } |