Mercurial > projects > dwt2
annotate org.eclipse.swt.gtk.linux.x86/src/org/eclipse/swt/custom/StyledTextRenderer.d @ 51:c01d033c633a
[swt lin]
| author | Frank Benoit <benoit@tionex.de> |
|---|---|
| date | Fri, 27 Mar 2009 19:58:06 +0100 |
| parents | 7a2dd761a8b2 |
| children | 536e43f63c81 |
| rev | line source |
|---|---|
| 25 | 1 /******************************************************************************* |
| 2 * Copyright (c) 2000, 2008 IBM Corporation and others. | |
| 3 * All rights reserved. This program and the accompanying materials | |
| 4 * are made available under the terms of the Eclipse Public License v1.0 | |
| 5 * which accompanies this distribution, and is available at | |
| 6 * http://www.eclipse.org/legal/epl-v10.html | |
| 7 * | |
| 8 * Contributors: | |
| 9 * IBM Corporation - initial API and implementation | |
| 10 * Port to the D programming language: | |
| 11 * Frank Benoit <benoit@tionex.de> | |
| 12 *******************************************************************************/ | |
| 13 module org.eclipse.swt.custom.StyledTextRenderer; | |
| 14 | |
| 15 | |
| 16 | |
| 17 import org.eclipse.swt.SWT; | |
| 18 import org.eclipse.swt.graphics.Color; | |
| 19 import org.eclipse.swt.graphics.Device; | |
| 20 import org.eclipse.swt.graphics.Font; | |
| 21 import org.eclipse.swt.graphics.FontData; | |
| 22 import org.eclipse.swt.graphics.FontMetrics; | |
| 23 import org.eclipse.swt.graphics.GC; | |
| 24 import org.eclipse.swt.graphics.GlyphMetrics; | |
| 25 import org.eclipse.swt.graphics.Point; | |
| 26 import org.eclipse.swt.graphics.Rectangle; | |
| 27 import org.eclipse.swt.graphics.TextLayout; | |
| 28 import org.eclipse.swt.graphics.TextStyle; | |
| 29 import org.eclipse.swt.widgets.Display; | |
| 30 import org.eclipse.swt.widgets.IME; | |
| 31 import org.eclipse.swt.widgets.ScrollBar; | |
| 32 import org.eclipse.swt.custom.StyledText; | |
| 33 import org.eclipse.swt.custom.Bullet; | |
| 34 import org.eclipse.swt.custom.StyleRange; | |
| 35 import org.eclipse.swt.custom.StyledText; | |
| 36 import org.eclipse.swt.custom.StyledTextContent; | |
| 37 import org.eclipse.swt.custom.TextChangingEvent; | |
| 38 import org.eclipse.swt.custom.ST; | |
| 39 import org.eclipse.swt.custom.StyledTextEvent; | |
| 40 | |
| 41 import java.lang.all; | |
| 42 | |
| 48 | 43 version(Tango){ |
| 51 | 44 static import tango.text.Util; |
| 45 static import tango.text.convert.Utf; | |
| 46 import tango.util.Convert; | |
| 48 | 47 } else { // Phobos |
| 51 | 48 import std.conv; |
| 48 | 49 } |
| 25 | 50 |
| 51 /** | |
| 52 * A StyledTextRenderer renders the content of a StyledText widget. | |
| 53 * This class can be used to render to the display or to a printer. | |
| 54 */ | |
| 55 class StyledTextRenderer { | |
| 56 Device device; | |
| 57 StyledText styledText; | |
| 58 StyledTextContent content; | |
| 59 | |
| 60 /* Font info */ | |
| 61 Font regularFont, boldFont, italicFont, boldItalicFont; | |
| 62 int tabWidth; | |
| 63 int ascent, descent; | |
| 64 int averageCharWidth; | |
| 65 | |
| 66 /* Line data */ | |
| 67 int topIndex = -1; | |
| 68 TextLayout[] layouts; | |
| 69 int lineCount; | |
| 70 int[] lineWidth; | |
| 71 int[] lineHeight; | |
| 72 LineInfo[] lines; | |
| 73 int maxWidth; | |
| 74 int maxWidthLineIndex; | |
| 75 bool idleRunning; | |
| 76 | |
| 77 /* Bullet */ | |
| 78 Bullet[] bullets; | |
| 79 int[] bulletsIndices; | |
| 80 int[] redrawLines; | |
| 81 | |
| 82 /* Style data */ | |
| 83 int[] ranges; | |
| 84 int styleCount; | |
| 85 StyleRange[] styles; | |
| 86 StyleRange[] stylesSet; | |
| 87 int stylesSetCount = 0; | |
|
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88 const static int BULLET_MARGIN = 8; |
| 25 | 89 |
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90 const static bool COMPACT_STYLES = true; |
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91 const static bool MERGE_STYLES = true; |
| 25 | 92 |
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93 const static int GROW = 32; |
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94 const static int IDLE_TIME = 50; |
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95 const static int CACHE_SIZE = 128; |
| 25 | 96 |
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97 const static int BACKGROUND = 1 << 0; |
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98 const static int ALIGNMENT = 1 << 1; |
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99 const static int INDENT = 1 << 2; |
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100 const static int JUSTIFY = 1 << 3; |
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101 const static int SEGMENTS = 1 << 5; |
| 25 | 102 |
| 103 static class LineInfo { | |
| 104 int flags; | |
| 105 Color background; | |
| 106 int alignment; | |
| 107 int indent; | |
| 108 bool justify; | |
| 109 int[] segments; | |
| 110 | |
| 111 public this() { | |
| 112 } | |
| 113 public this(LineInfo info) { | |
| 114 if (info !is null) { | |
| 115 flags = info.flags; | |
| 116 background = info.background; | |
| 117 alignment = info.alignment; | |
| 118 indent = info.indent; | |
| 119 justify = info.justify; | |
| 120 segments = info.segments; | |
| 121 } | |
| 122 } | |
| 123 } | |
| 124 | |
| 125 this(Device device, StyledText styledText) { | |
| 126 this.device = device; | |
| 127 this.styledText = styledText; | |
| 128 } | |
| 129 int addMerge(int[] mergeRanges, StyleRange[] mergeStyles, int mergeCount, int modifyStart, int modifyEnd) { | |
| 130 int rangeCount = styleCount << 1; | |
| 131 StyleRange endStyle = null; | |
| 132 int endStart = 0, endLength = 0; | |
| 133 if (modifyEnd < rangeCount) { | |
| 134 endStyle = styles[modifyEnd >> 1]; | |
| 135 endStart = ranges[modifyEnd]; | |
| 136 endLength = ranges[modifyEnd + 1]; | |
| 137 } | |
| 138 int grow = mergeCount - (modifyEnd - modifyStart); | |
| 139 if (rangeCount + grow >= ranges.length) { | |
| 140 int[] tmpRanges = new int[ranges.length + grow + (GROW << 1)]; | |
| 141 System.arraycopy(ranges, 0, tmpRanges, 0, modifyStart); | |
| 142 StyleRange[] tmpStyles = new StyleRange[styles.length + (grow >> 1) + GROW]; | |
| 143 System.arraycopy(styles, 0, tmpStyles, 0, modifyStart >> 1); | |
| 144 if (rangeCount > modifyEnd) { | |
| 145 System.arraycopy(ranges, modifyEnd, tmpRanges, modifyStart + mergeCount, rangeCount - modifyEnd); | |
| 146 System.arraycopy(styles, modifyEnd >> 1, tmpStyles, (modifyStart + mergeCount) >> 1, styleCount - (modifyEnd >> 1)); | |
| 147 } | |
| 148 ranges = tmpRanges; | |
| 149 styles = tmpStyles; | |
| 150 } else { | |
| 151 if (rangeCount > modifyEnd) { | |
| 152 System.arraycopy(ranges, modifyEnd, ranges, modifyStart + mergeCount, rangeCount - modifyEnd); | |
| 153 System.arraycopy(styles, modifyEnd >> 1, styles, (modifyStart + mergeCount) >> 1, styleCount - (modifyEnd >> 1)); | |
| 154 } | |
| 155 } | |
| 156 if (MERGE_STYLES) { | |
| 157 int j = modifyStart; | |
| 158 for (int i = 0; i < mergeCount; i += 2) { | |
| 159 if (j > 0 && ranges[j - 2] + ranges[j - 1] is mergeRanges[i] && mergeStyles[i >> 1].similarTo(styles[(j - 2) >> 1])) { | |
| 160 ranges[j - 1] += mergeRanges[i + 1]; | |
| 161 } else { | |
| 162 styles[j >> 1] = mergeStyles[i >> 1]; | |
| 163 ranges[j++] = mergeRanges[i]; | |
| 164 ranges[j++] = mergeRanges[i + 1]; | |
| 165 } | |
| 166 } | |
| 167 if (endStyle !is null && ranges[j - 2] + ranges[j - 1] is endStart && endStyle.similarTo(styles[(j - 2) >> 1])) { | |
| 168 ranges[j - 1] += endLength; | |
| 169 modifyEnd += 2; | |
| 170 mergeCount += 2; | |
| 171 } | |
| 172 if (rangeCount > modifyEnd) { | |
| 173 System.arraycopy(ranges, modifyStart + mergeCount, ranges, j, rangeCount - modifyEnd); | |
| 174 System.arraycopy(styles, (modifyStart + mergeCount) >> 1, styles, j >> 1, styleCount - (modifyEnd >> 1)); | |
| 175 } | |
| 176 grow = (j - modifyStart) - (modifyEnd - modifyStart); | |
| 177 } else { | |
| 178 System.arraycopy(mergeRanges, 0, ranges, modifyStart, mergeCount); | |
| 179 System.arraycopy(mergeStyles, 0, styles, modifyStart >> 1, mergeCount >> 1); | |
| 180 } | |
| 181 styleCount += grow >> 1; | |
| 182 return grow; | |
| 183 } | |
| 184 int addMerge(StyleRange[] mergeStyles, int mergeCount, int modifyStart, int modifyEnd) { | |
| 185 int grow = mergeCount - (modifyEnd - modifyStart); | |
| 186 StyleRange endStyle = null; | |
| 187 if (modifyEnd < styleCount) endStyle = styles[modifyEnd]; | |
| 188 if (styleCount + grow >= styles.length) { | |
| 189 StyleRange[] tmpStyles = new StyleRange[styles.length + grow + GROW]; | |
| 190 System.arraycopy(styles, 0, tmpStyles, 0, modifyStart); | |
| 191 if (styleCount > modifyEnd) { | |
| 192 System.arraycopy(styles, modifyEnd, tmpStyles, modifyStart + mergeCount, styleCount - modifyEnd); | |
| 193 } | |
| 194 styles = tmpStyles; | |
| 195 } else { | |
| 196 if (styleCount > modifyEnd) { | |
| 197 System.arraycopy(styles, modifyEnd, styles, modifyStart + mergeCount, styleCount - modifyEnd); | |
| 198 } | |
| 199 } | |
| 200 if (MERGE_STYLES) { | |
| 201 int j = modifyStart; | |
| 202 for (int i = 0; i < mergeCount; i++) { | |
| 203 StyleRange newStyle = mergeStyles[i], style; | |
| 204 if (j > 0 && (style = styles[j - 1]).start + style.length is newStyle.start && newStyle.similarTo(style)) { | |
| 205 style.length += newStyle.length; | |
| 206 } else { | |
| 207 styles[j++] = newStyle; | |
| 208 } | |
| 209 } | |
| 210 StyleRange style = styles[j - 1]; | |
| 211 if (endStyle !is null && style.start + style.length is endStyle.start && endStyle.similarTo(style)) { | |
| 212 style.length += endStyle.length; | |
| 213 modifyEnd++; | |
| 214 mergeCount++; | |
| 215 } | |
| 216 if (styleCount > modifyEnd) { | |
| 217 System.arraycopy(styles, modifyStart + mergeCount, styles, j, styleCount - modifyEnd); | |
| 218 } | |
| 219 grow = (j - modifyStart) - (modifyEnd - modifyStart); | |
| 220 } else { | |
| 221 System.arraycopy(mergeStyles, 0, styles, modifyStart, mergeCount); | |
| 222 } | |
| 223 styleCount += grow; | |
| 224 return grow; | |
| 225 } | |
| 226 void calculate(int startLine, int lineCount) { | |
| 227 int endLine = startLine + lineCount; | |
| 228 if (startLine < 0 || endLine > lineWidth.length) { | |
| 229 return; | |
| 230 } | |
| 231 int hTrim = styledText.leftMargin + styledText.rightMargin + styledText.getCaretWidth(); | |
| 232 for (int i = startLine; i < endLine; i++) { | |
| 233 if (lineWidth[i] is -1 || lineHeight[i] is -1) { | |
| 234 TextLayout layout = getTextLayout(i); | |
| 235 Rectangle rect = layout.getBounds(); | |
| 236 lineWidth[i] = rect.width + hTrim; | |
| 237 lineHeight[i] = rect.height; | |
| 238 disposeTextLayout(layout); | |
| 239 } | |
| 240 if (lineWidth[i] > maxWidth) { | |
| 241 maxWidth = lineWidth[i]; | |
| 242 maxWidthLineIndex = i; | |
| 243 } | |
| 244 } | |
| 245 } | |
| 246 void calculateClientArea () { | |
| 247 int index = styledText.getTopIndex(); | |
| 248 int lineCount = content.getLineCount(); | |
| 249 int height = styledText.getClientArea().height; | |
| 250 int y = 0; | |
| 251 while (height > y && lineCount > index) { | |
| 252 calculate(index, 1); | |
| 253 y += lineHeight[index++]; | |
| 254 } | |
| 255 } | |
| 256 void calculateIdle () { | |
| 257 if (idleRunning) return; | |
| 258 Runnable runnable = new class() Runnable { | |
| 259 public void run() { | |
| 260 if (styledText is null) return; | |
| 261 int i; | |
| 262 long start = System.currentTimeMillis(); | |
| 263 for (i = 0; i < lineCount; i++) { | |
| 264 if (lineHeight[i] is -1 || lineWidth[i] is -1) { | |
| 265 calculate(i, 1); | |
| 266 if (System.currentTimeMillis() - start > IDLE_TIME) break; | |
| 267 } | |
| 268 } | |
| 269 if (i < lineCount) { | |
| 270 Display display = styledText.getDisplay(); | |
| 271 display.asyncExec(this); | |
| 272 } else { | |
| 273 idleRunning = false; | |
| 274 styledText.setScrollBars(true); | |
| 275 ScrollBar bar = styledText.getVerticalBar(); | |
| 276 if (bar !is null) { | |
| 277 bar.setSelection(styledText.getVerticalScrollOffset()); | |
| 278 } | |
| 279 } | |
| 280 } | |
| 281 }; | |
| 282 Display display = styledText.getDisplay(); | |
| 283 display.asyncExec(runnable); | |
| 284 idleRunning = true; | |
| 285 } | |
| 286 void clearLineBackground(int startLine, int count) { | |
| 287 if (lines is null) return; | |
| 288 for (int i = startLine; i < startLine + count; i++) { | |
| 289 LineInfo info = lines[i]; | |
| 290 if (info !is null) { | |
| 291 info.flags &= ~BACKGROUND; | |
| 292 info.background = null; | |
| 293 if (info.flags is 0) lines[i] = null; | |
| 294 } | |
| 295 } | |
| 296 } | |
| 297 void clearLineStyle(int startLine, int count) { | |
| 298 if (lines is null) return; | |
| 299 for (int i = startLine; i < startLine + count; i++) { | |
| 300 LineInfo info = lines[i]; | |
| 301 if (info !is null) { | |
| 302 info.flags &= ~(ALIGNMENT | INDENT | JUSTIFY); | |
| 303 if (info.flags is 0) lines[i] = null; | |
| 304 } | |
| 305 } | |
| 306 } | |
| 307 void copyInto(StyledTextRenderer renderer) { | |
| 308 if (ranges !is null) { | |
| 309 int[] newRanges = renderer.ranges = new int[styleCount << 1]; | |
| 310 System.arraycopy(ranges, 0, newRanges, 0, newRanges.length); | |
| 311 } | |
| 312 if (styles !is null) { | |
| 313 StyleRange[] newStyles = renderer.styles = new StyleRange[styleCount]; | |
| 314 for (int i = 0; i < newStyles.length; i++) { | |
| 315 newStyles[i] = cast(StyleRange)styles[i].clone(); | |
| 316 } | |
| 317 renderer.styleCount = styleCount; | |
| 318 } | |
| 319 if (lines !is null) { | |
| 320 LineInfo[] newLines = renderer.lines = new LineInfo[lineCount]; | |
| 321 for (int i = 0; i < newLines.length; i++) { | |
| 322 newLines[i] = new LineInfo(lines[i]); | |
| 323 } | |
| 324 renderer.lineCount = lineCount; | |
| 325 } | |
| 326 } | |
| 327 void dispose() { | |
| 328 if (boldFont !is null) boldFont.dispose(); | |
| 329 if (italicFont !is null) italicFont.dispose(); | |
| 330 if (boldItalicFont !is null) boldItalicFont.dispose(); | |
| 331 boldFont = italicFont = boldItalicFont = null; | |
| 332 reset(); | |
| 333 content = null; | |
| 334 device = null; | |
| 335 styledText = null; | |
| 336 } | |
| 337 void disposeTextLayout (TextLayout layout) { | |
| 338 if (layouts !is null) { | |
| 339 for (int i = 0; i < layouts.length; i++) { | |
| 340 if (layouts[i] is layout) return; | |
| 341 } | |
| 342 } | |
| 343 layout.dispose(); | |
| 344 } | |
| 345 void drawBullet(Bullet bullet, GC gc, int paintX, int paintY, int index, int lineAscent, int lineDescent) { | |
| 346 StyleRange style = bullet.style; | |
| 347 GlyphMetrics metrics = style.metrics; | |
| 348 Color color = style.foreground; | |
| 349 if (color !is null) gc.setForeground(color); | |
| 350 if ((bullet.type & ST.BULLET_DOT) !is 0 && StyledText.IS_MOTIF) { | |
| 351 int size = Math.max(4, (lineAscent + lineDescent) / 4); | |
| 352 if ((size & 1) is 0) size++; | |
| 353 if (color is null) { | |
| 354 Display display = styledText.getDisplay(); | |
| 355 color = display.getSystemColor(SWT.COLOR_BLACK); | |
| 356 } | |
| 357 gc.setBackground(color); | |
| 358 int x = paintX + Math.max(0, metrics.width - size - BULLET_MARGIN); | |
| 359 gc.fillArc(x, paintY + size, size + 1, size + 1, 0, 360); | |
| 360 return; | |
| 361 } | |
| 362 Font font = style.font; | |
| 363 if (font !is null) gc.setFont(font); | |
| 364 String string = ""; | |
| 365 int type = bullet.type & (ST.BULLET_DOT|ST.BULLET_NUMBER|ST.BULLET_LETTER_LOWER|ST.BULLET_LETTER_UPPER); | |
| 366 switch (type) { | |
| 367 case ST.BULLET_DOT: string = "\u2022"; break; | |
| 368 case ST.BULLET_NUMBER: string = to!(String)(index); break; | |
| 369 case ST.BULLET_LETTER_LOWER: string = [cast(char) (index % 26 + 97)]; break; | |
| 370 case ST.BULLET_LETTER_UPPER: string = [cast(char) (index % 26 + 65)]; break; | |
| 371 default: | |
| 372 } | |
| 373 if ((bullet.type & ST.BULLET_TEXT) !is 0) string ~= bullet.text; | |
| 374 Display display = styledText.getDisplay(); | |
| 375 TextLayout layout = new TextLayout(display); | |
| 376 layout.setText(string); | |
| 377 layout.setAscent(lineAscent); | |
| 378 layout.setDescent(lineDescent); | |
| 379 style = cast(StyleRange)style.clone(); | |
| 380 style.metrics = null; | |
| 381 if (style.font is null) style.font = getFont(style.fontStyle); | |
| 382 layout.setStyle(style, 0, string.length); | |
| 383 int x = paintX + Math.max(0, metrics.width - layout.getBounds().width - BULLET_MARGIN); | |
| 384 layout.draw(gc, x, paintY); | |
| 385 layout.dispose(); | |
| 386 } | |
| 387 int drawLine(int lineIndex, int paintX, int paintY, GC gc, Color widgetBackground, Color widgetForeground) { | |
| 388 TextLayout layout = getTextLayout(lineIndex); | |
| 389 String line = content.getLine(lineIndex); | |
| 390 int lineOffset = content.getOffsetAtLine(lineIndex); | |
| 391 int lineLength = line.length; | |
| 392 Point selection = styledText.getSelection(); | |
| 393 int selectionStart = selection.x - lineOffset; | |
| 394 int selectionEnd = selection.y - lineOffset; | |
| 395 Rectangle client = styledText.getClientArea(); | |
| 396 Color lineBackground = getLineBackground(lineIndex, null); | |
| 397 StyledTextEvent event = styledText.getLineBackgroundData(lineOffset, line); | |
| 398 if (event !is null && event.lineBackground !is null) lineBackground = event.lineBackground; | |
| 399 | |
| 400 int height = layout.getBounds().height; | |
| 401 if (lineBackground !is null) { | |
| 402 gc.setBackground(lineBackground); | |
| 403 gc.fillRectangle(client.x, paintY, client.width, height); | |
| 404 } else { | |
| 405 gc.setBackground(widgetBackground); | |
| 406 styledText.drawBackground(gc, client.x, paintY, client.width, height); | |
| 407 } | |
| 408 gc.setForeground(widgetForeground); | |
| 409 if (selectionStart is selectionEnd || (selectionEnd <= 0 && selectionStart > lineLength - 1)) { | |
| 410 layout.draw(gc, paintX, paintY); | |
| 411 } else { | |
| 412 int start = Math.max(0, selectionStart); | |
| 413 int end = Math.min(lineLength, selectionEnd); | |
| 414 Color selectionFg = styledText.getSelectionForeground(); | |
| 415 Color selectionBg = styledText.getSelectionBackground(); | |
| 416 int flags; | |
| 417 if ((styledText.getStyle() & SWT.FULL_SELECTION) !is 0) { | |
| 418 flags = SWT.FULL_SELECTION; | |
| 419 } else { | |
| 420 flags = SWT.DELIMITER_SELECTION; | |
| 421 } | |
| 422 if (selectionStart <= lineLength && lineLength < selectionEnd ) { | |
| 423 flags |= SWT.LAST_LINE_SELECTION; | |
| 424 } | |
| 425 layout.draw(gc, paintX, paintY, start, end - 1, selectionFg, selectionBg, flags); | |
| 426 } | |
| 427 | |
| 428 // draw objects | |
| 429 Bullet bullet = null; | |
| 430 int bulletIndex = -1; | |
| 431 if (bullets !is null) { | |
| 432 if (bulletsIndices !is null) { | |
| 433 int index = lineIndex - topIndex; | |
| 434 if (0 <= index && index < CACHE_SIZE) { | |
| 435 bullet = bullets[index]; | |
| 436 bulletIndex = bulletsIndices[index]; | |
| 437 } | |
| 438 } else { | |
| 439 for (int i = 0; i < bullets.length; i++) { | |
| 440 bullet = bullets[i]; | |
| 441 bulletIndex = bullet.indexOf(lineIndex); | |
| 442 if (bulletIndex !is -1) break; | |
| 443 } | |
| 444 } | |
| 445 } | |
| 446 if (bulletIndex !is -1 && bullet !is null) { | |
| 447 FontMetrics metrics = layout.getLineMetrics(0); | |
| 448 int lineAscent = metrics.getAscent() + metrics.getLeading(); | |
| 449 if (bullet.type is ST.BULLET_CUSTOM) { | |
| 450 bullet.style.start = lineOffset; | |
| 451 styledText.paintObject(gc, paintX, paintY, lineAscent, metrics.getDescent(), bullet.style, bullet, bulletIndex); | |
| 452 } else { | |
| 453 drawBullet(bullet, gc, paintX, paintY, bulletIndex, lineAscent, metrics.getDescent()); | |
| 454 } | |
| 455 } | |
| 456 TextStyle[] styles = layout.getStyles(); | |
| 457 int[] ranges = null; | |
| 458 for (int i = 0; i < styles.length; i++) { | |
| 459 if (styles[i].metrics !is null) { | |
| 460 if (ranges is null) ranges = layout.getRanges(); | |
| 461 int start = ranges[i << 1]; | |
| 462 int length = ranges[(i << 1) + 1] - start; | |
| 463 Point point = layout.getLocation(start, false); | |
| 464 FontMetrics metrics = layout.getLineMetrics(layout.getLineIndex(start)); | |
| 465 StyleRange style = cast(StyleRange)(cast(StyleRange)styles[i]).clone(); | |
| 466 style.start = start + lineOffset; | |
| 467 style.length = length; | |
| 468 int lineAscent = metrics.getAscent() + metrics.getLeading(); | |
| 469 styledText.paintObject(gc, point.x + paintX, point.y + paintY, lineAscent, metrics.getDescent(), style, null, 0); | |
| 470 } | |
| 471 } | |
| 472 disposeTextLayout(layout); | |
| 473 return height; | |
| 474 } | |
| 475 int getBaseline() { | |
| 476 return ascent; | |
| 477 } | |
| 478 Font getFont(int style) { | |
| 479 switch (style) { | |
| 480 case SWT.BOLD: | |
| 481 if (boldFont !is null) return boldFont; | |
| 482 return boldFont = new Font(device, getFontData(style)); | |
| 483 case SWT.ITALIC: | |
| 484 if (italicFont !is null) return italicFont; | |
| 485 return italicFont = new Font(device, getFontData(style)); | |
| 486 case SWT.BOLD | SWT.ITALIC: | |
| 487 if (boldItalicFont !is null) return boldItalicFont; | |
| 488 return boldItalicFont = new Font(device, getFontData(style)); | |
| 489 default: | |
| 490 return regularFont; | |
| 491 } | |
| 492 } | |
| 493 FontData[] getFontData(int style) { | |
| 494 FontData[] fontDatas = regularFont.getFontData(); | |
| 495 for (int i = 0; i < fontDatas.length; i++) { | |
| 496 fontDatas[i].setStyle(style); | |
| 497 } | |
| 498 return fontDatas; | |
| 499 } | |
| 500 int getHeight () { | |
| 501 int defaultLineHeight = getLineHeight(); | |
| 502 if (styledText.isFixedLineHeight()) { | |
| 503 return lineCount * defaultLineHeight; | |
| 504 } | |
| 505 int totalHeight = 0; | |
| 506 int width = styledText.getWrapWidth(); | |
| 507 for (int i = 0; i < lineCount; i++) { | |
| 508 int height = lineHeight[i]; | |
| 509 if (height is -1) { | |
| 510 if (width > 0) { | |
| 511 int length = content.getLine(i).length; | |
| 512 height = ((length * averageCharWidth / width) + 1) * defaultLineHeight; | |
| 513 } else { | |
| 514 height = defaultLineHeight; | |
| 515 } | |
| 516 } | |
| 517 totalHeight += height; | |
| 518 } | |
| 519 return totalHeight + styledText.topMargin + styledText.bottomMargin; | |
| 520 } | |
| 521 int getLineAlignment(int index, int defaultAlignment) { | |
| 522 if (lines is null) return defaultAlignment; | |
| 523 LineInfo info = lines[index]; | |
| 524 if (info !is null && (info.flags & ALIGNMENT) !is 0) { | |
| 525 return info.alignment; | |
| 526 } | |
| 527 return defaultAlignment; | |
| 528 } | |
| 529 Color getLineBackground(int index, Color defaultBackground) { | |
| 530 if (lines is null) return defaultBackground; | |
| 531 LineInfo info = lines[index]; | |
| 532 if (info !is null && (info.flags & BACKGROUND) !is 0) { | |
| 533 return info.background; | |
| 534 } | |
| 535 return defaultBackground; | |
| 536 } | |
| 537 Bullet getLineBullet (int index, Bullet defaultBullet) { | |
| 538 if (bullets is null) return defaultBullet; | |
| 539 if (bulletsIndices !is null) return defaultBullet; | |
| 540 for (int i = 0; i < bullets.length; i++) { | |
| 541 Bullet bullet = bullets[i]; | |
| 542 if (bullet.indexOf(index) !is -1) return bullet; | |
| 543 } | |
| 544 return defaultBullet; | |
| 545 } | |
| 546 int getLineHeight() { | |
| 547 return ascent + descent; | |
| 548 } | |
| 549 int getLineHeight(int lineIndex) { | |
| 550 if (lineHeight[lineIndex] is -1) { | |
| 551 calculate(lineIndex, 1); | |
| 552 } | |
| 553 return lineHeight[lineIndex]; | |
| 554 } | |
| 555 int getLineIndent(int index, int defaultIndent) { | |
| 556 if (lines is null) return defaultIndent; | |
| 557 LineInfo info = lines[index]; | |
| 558 if (info !is null && (info.flags & INDENT) !is 0) { | |
| 559 return info.indent; | |
| 560 } | |
| 561 return defaultIndent; | |
| 562 } | |
| 563 bool getLineJustify(int index, bool defaultJustify) { | |
| 564 if (lines is null) return defaultJustify; | |
| 565 LineInfo info = lines[index]; | |
| 566 if (info !is null && (info.flags & JUSTIFY) !is 0) { | |
| 567 return info.justify; | |
| 568 } | |
| 569 return defaultJustify; | |
| 570 } | |
| 571 int[] getLineSegments(int index, int[] defaultSegments) { | |
| 572 if (lines is null) return defaultSegments; | |
| 573 LineInfo info = lines[index]; | |
| 574 if (info !is null && (info.flags & SEGMENTS) !is 0) { | |
| 575 return info.segments; | |
| 576 } | |
| 577 return defaultSegments; | |
| 578 } | |
| 579 int getRangeIndex(int offset, int low, int high) { | |
| 580 if (styleCount is 0) return 0; | |
| 581 if (ranges !is null) { | |
| 582 while (high - low > 2) { | |
| 583 int index = ((high + low) / 2) / 2 * 2; | |
| 584 int end = ranges[index] + ranges[index + 1]; | |
| 585 if (end > offset) { | |
| 586 high = index; | |
| 587 } else { | |
| 588 low = index; | |
| 589 } | |
| 590 } | |
| 591 } else { | |
| 592 while (high - low > 1) { | |
| 593 int index = ((high + low) / 2); | |
| 594 int end = styles[index].start + styles[index].length; | |
| 595 if (end > offset) { | |
| 596 high = index; | |
| 597 } else { | |
| 598 low = index; | |
| 599 } | |
| 600 } | |
| 601 } | |
| 602 return high; | |
| 603 } | |
| 604 int[] getRanges(int start, int length) { | |
| 605 int[] newRanges; | |
| 606 int end = start + length - 1; | |
| 607 if (ranges !is null) { | |
| 608 int rangeCount = styleCount << 1; | |
| 609 int rangeStart = getRangeIndex(start, -1, rangeCount); | |
| 610 if (rangeStart >= rangeCount) return null; | |
| 611 if (ranges[rangeStart] > end) return null; | |
| 612 int rangeEnd = Math.min(rangeCount - 2, getRangeIndex(end, rangeStart - 1, rangeCount) + 1); | |
| 613 newRanges = new int[rangeEnd - rangeStart + 2]; | |
| 614 System.arraycopy(ranges, rangeStart, newRanges, 0, newRanges.length); | |
| 615 } else { | |
| 616 int rangeStart = getRangeIndex(start, -1, styleCount); | |
| 617 if (rangeStart >= styleCount) return null; | |
| 618 if (styles[rangeStart].start > end) return null; | |
| 619 int rangeEnd = Math.min(styleCount - 1, getRangeIndex(end, rangeStart - 1, styleCount)); | |
| 620 newRanges = new int[(rangeEnd - rangeStart + 1) << 1]; | |
| 621 for (int i = rangeStart, j = 0; i <= rangeEnd; i++, j += 2) { | |
| 622 StyleRange style = styles[i]; | |
| 623 newRanges[j] = style.start; | |
| 624 newRanges[j + 1] = style.length; | |
| 625 } | |
| 626 } | |
| 627 if (start > newRanges[0]) { | |
| 628 newRanges[1] = newRanges[0] + newRanges[1] - start; | |
| 629 newRanges[0] = start; | |
| 630 } | |
| 631 if (end < newRanges[newRanges.length - 2] + newRanges[newRanges.length - 1] - 1) { | |
| 632 newRanges[newRanges.length - 1] = end - newRanges[newRanges.length - 2] + 1; | |
| 633 } | |
| 634 return newRanges; | |
| 635 } | |
| 636 StyleRange[] getStyleRanges(int start, int length, bool includeRanges) { | |
| 637 StyleRange[] newStyles; | |
| 638 int end = start + length - 1; | |
| 639 if (ranges !is null) { | |
| 640 int rangeCount = styleCount << 1; | |
| 641 int rangeStart = getRangeIndex(start, -1, rangeCount); | |
| 642 if (rangeStart >= rangeCount) return null; | |
| 643 if (ranges[rangeStart] > end) return null; | |
| 644 int rangeEnd = Math.min(rangeCount - 2, getRangeIndex(end, rangeStart - 1, rangeCount) + 1); | |
| 645 newStyles = new StyleRange[((rangeEnd - rangeStart) >> 1) + 1]; | |
| 646 if (includeRanges) { | |
| 647 for (int i = rangeStart, j = 0; i <= rangeEnd; i += 2, j++) { | |
| 648 newStyles[j] = cast(StyleRange)styles[i >> 1].clone(); | |
| 649 newStyles[j].start = ranges[i]; | |
| 650 newStyles[j].length = ranges[i + 1]; | |
| 651 } | |
| 652 } else { | |
| 653 System.arraycopy(styles, rangeStart >> 1, newStyles, 0, newStyles.length); | |
| 654 } | |
| 655 } else { | |
| 656 int rangeStart = getRangeIndex(start, -1, styleCount); | |
| 657 if (rangeStart >= styleCount) return null; | |
| 658 if (styles[rangeStart].start > end) return null; | |
| 659 int rangeEnd = Math.min(styleCount - 1, getRangeIndex(end, rangeStart - 1, styleCount)); | |
| 660 newStyles = new StyleRange[rangeEnd - rangeStart + 1]; | |
| 661 System.arraycopy(styles, rangeStart, newStyles, 0, newStyles.length); | |
| 662 } | |
| 663 StyleRange style = newStyles[0]; | |
| 664 if (start > style.start) { | |
| 665 if (!includeRanges || ranges is null) newStyles[0] = style = cast(StyleRange)style.clone(); | |
| 666 style.length = style.start + style.length - start; | |
| 667 style.start = start; | |
| 668 } | |
| 669 style = newStyles[newStyles.length - 1]; | |
| 670 if (end < style.start + style.length - 1) { | |
| 671 if (end < style.start) { | |
| 672 StyleRange[] tmp = new StyleRange[newStyles.length - 1]; | |
| 673 System.arraycopy(newStyles, 0, tmp, 0, newStyles.length - 1); | |
| 674 newStyles = tmp; | |
| 675 } else { | |
| 676 if (!includeRanges || ranges is null) newStyles[newStyles.length - 1] = style = cast(StyleRange)style.clone(); | |
| 677 style.length = end - style.start + 1; | |
| 678 } | |
| 679 } | |
| 680 return newStyles; | |
| 681 } | |
| 682 StyleRange getStyleRange(StyleRange style) { | |
| 683 if (style.start is 0 && style.length is 0 && style.fontStyle is SWT.NORMAL) return style; | |
| 684 StyleRange clone = cast(StyleRange)style.clone(); | |
| 685 clone.start = clone.length = 0; | |
| 686 clone.fontStyle = SWT.NORMAL; | |
| 687 if (clone.font is null) clone.font = getFont(style.fontStyle); | |
| 688 return clone; | |
| 689 } | |
| 690 TextLayout getTextLayout(int lineIndex) { | |
| 691 return getTextLayout(lineIndex, styledText.getOrientation(), styledText.getWrapWidth(), styledText.lineSpacing); | |
| 692 } | |
| 693 TextLayout getTextLayout(int lineIndex, int orientation, int width, int lineSpacing) { | |
| 694 TextLayout layout = null; | |
| 695 if (styledText !is null) { | |
| 696 int topIndex = styledText.topIndex > 0 ? styledText.topIndex - 1 : 0; | |
| 697 if (layouts is null || topIndex !is this.topIndex) { | |
| 698 TextLayout[] newLayouts = new TextLayout[CACHE_SIZE]; | |
| 699 if (layouts !is null) { | |
| 700 for (int i = 0; i < layouts.length; i++) { | |
| 701 if (layouts[i] !is null) { | |
| 702 int layoutIndex = (i + this.topIndex) - topIndex; | |
| 703 if (0 <= layoutIndex && layoutIndex < newLayouts.length) { | |
| 704 newLayouts[layoutIndex] = layouts[i]; | |
| 705 } else { | |
| 706 layouts[i].dispose(); | |
| 707 } | |
| 708 } | |
| 709 } | |
| 710 } | |
| 711 if (bullets !is null && bulletsIndices !is null && topIndex !is this.topIndex) { | |
| 712 int delta = topIndex - this.topIndex; | |
| 713 if (delta > 0) { | |
| 714 if (delta < bullets.length) { | |
| 715 System.arraycopy(bullets, delta, bullets, 0, bullets.length - delta); | |
| 716 System.arraycopy(bulletsIndices, delta, bulletsIndices, 0, bulletsIndices.length - delta); | |
| 717 } | |
| 718 int startIndex = Math.max(0, bullets.length - delta); | |
| 719 for (int i = startIndex; i < bullets.length; i++) bullets[i] = null; | |
| 720 } else { | |
| 721 if (-delta < bullets.length) { | |
| 722 System.arraycopy(bullets, 0, bullets, -delta, bullets.length + delta); | |
| 723 System.arraycopy(bulletsIndices, 0, bulletsIndices, -delta, bulletsIndices.length + delta); | |
| 724 } | |
| 725 int endIndex = Math.min(bullets.length, -delta); | |
| 726 for (int i = 0; i < endIndex; i++) bullets[i] = null; | |
| 727 } | |
| 728 } | |
| 729 this.topIndex = topIndex; | |
| 730 layouts = newLayouts; | |
| 731 } | |
| 732 if (layouts !is null) { | |
| 733 int layoutIndex = lineIndex - topIndex; | |
| 734 if (0 <= layoutIndex && layoutIndex < layouts.length) { | |
| 735 layout = layouts[layoutIndex]; | |
| 736 if (layout !is null) { | |
| 737 if (lineWidth[lineIndex] !is -1) return layout; | |
| 738 } else { | |
| 739 layout = layouts[layoutIndex] = new TextLayout(device); | |
| 740 } | |
| 741 } | |
| 742 } | |
| 743 } | |
| 744 if (layout is null) layout = new TextLayout(device); | |
| 745 String line = content.getLine(lineIndex); | |
| 746 int lineOffset = content.getOffsetAtLine(lineIndex); | |
| 747 int[] segments = null; | |
| 748 int indent = 0; | |
| 749 int alignment = SWT.LEFT; | |
| 750 bool justify = false; | |
| 751 Bullet bullet = null; | |
| 752 int[] ranges = null; | |
| 753 StyleRange[] styles = null; | |
| 754 int rangeStart = 0, styleCount = 0; | |
| 755 StyledTextEvent event = null; | |
| 756 if (styledText !is null) { | |
| 757 event = styledText.getLineStyleData(lineOffset, line); | |
| 758 segments = styledText.getBidiSegments(lineOffset, line); | |
| 759 indent = styledText.indent; | |
| 760 alignment = styledText.alignment; | |
| 761 justify = styledText.justify; | |
| 762 } | |
| 763 if (event !is null) { | |
| 764 indent = event.indent; | |
| 765 alignment = event.alignment; | |
| 766 justify = event.justify; | |
| 767 bullet = event.bullet; | |
| 768 ranges = event.ranges; | |
| 769 styles = event.styles; | |
| 770 if (styles !is null) { | |
| 771 styleCount = styles.length; | |
| 772 if (styledText.isFixedLineHeight()) { | |
| 773 for (int i = 0; i < styleCount; i++) { | |
| 774 if (styles[i].isVariableHeight()) { | |
| 775 styledText.verticalScrollOffset = -1; | |
| 776 styledText.setVariableLineHeight(); | |
| 777 styledText.redraw(); | |
| 778 break; | |
| 779 } | |
| 780 } | |
| 781 } | |
| 782 } | |
| 783 if (bullets is null || bulletsIndices is null) { | |
| 784 bullets = new Bullet[CACHE_SIZE]; | |
| 785 bulletsIndices = new int[CACHE_SIZE]; | |
| 786 } | |
| 787 int index = lineIndex - topIndex; | |
| 788 if (0 <= index && index < CACHE_SIZE) { | |
| 789 bullets[index] = bullet; | |
| 790 bulletsIndices[index] = event.bulletIndex; | |
| 791 } | |
| 792 } else { | |
| 793 if (lines !is null) { | |
| 794 LineInfo info = lines[lineIndex]; | |
| 795 if (info !is null) { | |
| 796 if ((info.flags & INDENT) !is 0) indent = info.indent; | |
| 797 if ((info.flags & ALIGNMENT) !is 0) alignment = info.alignment; | |
| 798 if ((info.flags & JUSTIFY) !is 0) justify = info.justify; | |
| 799 if ((info.flags & SEGMENTS) !is 0) segments = info.segments; | |
| 800 } | |
| 801 } | |
| 802 if (bulletsIndices !is null) { | |
| 803 bullets = null; | |
| 804 bulletsIndices = null; | |
| 805 } | |
| 806 if (bullets !is null) { | |
| 807 for (int i = 0; i < bullets.length; i++) { | |
| 808 if (bullets[i].indexOf(lineIndex) !is -1) { | |
| 809 bullet = bullets[i]; | |
| 810 break; | |
| 811 } | |
| 812 } | |
| 813 } | |
| 814 ranges = this.ranges; | |
| 815 styles = this.styles; | |
| 816 styleCount = this.styleCount; | |
| 817 if (ranges !is null) { | |
| 818 rangeStart = getRangeIndex(lineOffset, -1, styleCount << 1); | |
| 819 } else { | |
| 820 rangeStart = getRangeIndex(lineOffset, -1, styleCount); | |
| 821 } | |
| 822 } | |
| 823 if (bullet !is null) { | |
| 824 StyleRange style = bullet.style; | |
| 825 GlyphMetrics metrics = style.metrics; | |
| 826 indent += metrics.width; | |
| 827 } | |
| 828 layout.setFont(regularFont); | |
| 829 layout.setAscent(ascent); | |
| 830 layout.setDescent(descent); | |
| 831 layout.setText(line); | |
| 832 layout.setOrientation(orientation); | |
| 833 layout.setSegments(segments); | |
| 834 layout.setWidth(width); | |
| 835 layout.setSpacing(lineSpacing); | |
| 836 layout.setTabs([tabWidth]); | |
| 837 layout.setIndent(indent); | |
| 838 layout.setAlignment(alignment); | |
| 839 layout.setJustify(justify); | |
| 840 | |
| 841 int lastOffset = 0; | |
| 842 int length = line.length; | |
| 843 if (styles !is null) { | |
| 844 if (ranges !is null) { | |
| 845 int rangeCount = styleCount << 1; | |
| 846 for (int i = rangeStart; i < rangeCount; i += 2) { | |
| 847 int start, end; | |
| 848 if (lineOffset > ranges[i]) { | |
| 849 start = 0; | |
| 850 end = Math.min (length, ranges[i + 1] - lineOffset + ranges[i]); | |
| 851 } else { | |
| 852 start = ranges[i] - lineOffset; | |
| 853 end = Math.min(length, start + ranges[i + 1]); | |
| 854 } | |
| 855 if (start >= length) break; | |
| 856 if (lastOffset < start) { | |
| 857 layout.setStyle(null, lastOffset, start - 1); | |
| 858 } | |
| 859 layout.setStyle(getStyleRange(styles[i >> 1]), start, end); | |
| 860 lastOffset = Math.max(lastOffset, end); | |
| 861 } | |
| 862 } else { | |
| 863 for (int i = rangeStart; i < styleCount; i++) { | |
| 864 int start, end; | |
| 865 if (lineOffset > styles[i].start) { | |
| 866 start = 0; | |
| 867 end = Math.min (length, styles[i].length - lineOffset + styles[i].start); | |
| 868 } else { | |
| 869 start = styles[i].start - lineOffset; | |
| 870 end = Math.min(length, start + styles[i].length); | |
| 871 } | |
| 872 if (start >= length) break; | |
| 873 if (lastOffset < start) { | |
| 874 layout.setStyle(null, lastOffset, start - 1); | |
| 875 } | |
| 876 layout.setStyle(getStyleRange(styles[i]), start, end); | |
| 877 lastOffset = Math.max(lastOffset, end); | |
| 878 } | |
| 879 } | |
| 880 } | |
| 881 if (lastOffset < length) layout.setStyle(null, lastOffset, length); | |
| 882 if (styledText !is null && styledText.ime !is null) { | |
| 883 IME ime = styledText.ime; | |
| 884 int compositionOffset = ime.getCompositionOffset(); | |
| 885 if (compositionOffset !is -1) { | |
| 886 int commitCount = ime.getCommitCount(); | |
| 887 int compositionLength = ime.getText().length; | |
| 888 if (compositionLength !is commitCount) { | |
| 889 int compositionLine = content.getLineAtOffset(compositionOffset); | |
| 890 if (compositionLine is lineIndex) { | |
| 891 int[] imeRanges = ime.getRanges(); | |
| 892 TextStyle[] imeStyles = ime.getStyles(); | |
| 893 if (imeRanges.length > 0) { | |
| 894 for (int i = 0; i < imeStyles.length; i++) { | |
| 895 int start = imeRanges[i*2] - lineOffset; | |
| 896 int end = imeRanges[i*2+1] - lineOffset; | |
| 897 TextStyle imeStyle = imeStyles[i], userStyle; | |
| 898 for (int j = start; j <= end; j++) { | |
| 899 userStyle = layout.getStyle(j); | |
| 900 if (userStyle is null && j > 0) userStyle = layout.getStyle(j - 1); | |
| 901 if (userStyle is null && j + 1 < length) userStyle = layout.getStyle(j + 1); | |
| 902 if (userStyle is null) { | |
| 903 layout.setStyle(imeStyle, j, j); | |
| 904 } else { | |
| 905 TextStyle newStyle = new TextStyle(imeStyle); | |
| 906 if (newStyle.font is null) newStyle.font = userStyle.font; | |
| 907 if (newStyle.foreground is null) newStyle.foreground = userStyle.foreground; | |
| 908 if (newStyle.background is null) newStyle.background = userStyle.background; | |
| 909 layout.setStyle(newStyle, j, j); | |
| 910 } | |
| 911 } | |
| 912 } | |
| 913 } else { | |
| 914 int start = compositionOffset - lineOffset; | |
| 915 int end = start + compositionLength - 1; | |
| 916 TextStyle userStyle = layout.getStyle(start); | |
| 917 if (userStyle is null) { | |
| 918 if (start > 0) userStyle = layout.getStyle(start - 1); | |
| 919 if (userStyle is null && end + 1 < length) userStyle = layout.getStyle(end + 1); | |
| 920 if (userStyle !is null) { | |
| 921 TextStyle newStyle = new TextStyle(); | |
| 922 newStyle.font = userStyle.font; | |
| 923 newStyle.foreground = userStyle.foreground; | |
| 924 newStyle.background = userStyle.background; | |
| 925 layout.setStyle(newStyle, start, end); | |
| 926 } | |
| 927 } | |
| 928 } | |
| 929 } | |
| 930 } | |
| 931 } | |
| 932 } | |
| 933 | |
| 934 if (styledText !is null && styledText.isFixedLineHeight()) { | |
| 935 int index = -1; | |
| 936 int lineCount = layout.getLineCount(); | |
| 937 int height = getLineHeight(); | |
| 938 for (int i = 0; i < lineCount; i++) { | |
| 939 int lineHeight = layout.getLineBounds(i).height; | |
| 940 if (lineHeight > height) { | |
| 941 height = lineHeight; | |
| 942 index = i; | |
| 943 } | |
| 944 } | |
| 945 if (index !is -1) { | |
| 946 FontMetrics metrics = layout.getLineMetrics(index); | |
| 947 ascent = metrics.getAscent() + metrics.getLeading(); | |
| 948 descent = metrics.getDescent(); | |
| 949 if (layouts !is null) { | |
| 950 for (int i = 0; i < layouts.length; i++) { | |
| 951 if (layouts[i] !is null && layouts[i] !is layout) { | |
| 952 layouts[i].setAscent(ascent); | |
| 953 layouts[i].setDescent(descent); | |
| 954 } | |
| 955 } | |
| 956 } | |
| 957 if (styledText.verticalScrollOffset !is 0) { | |
| 958 int topIndex = styledText.topIndex; | |
| 959 int topIndexY = styledText.topIndexY; | |
| 960 int lineHeight = getLineHeight(); | |
| 961 if (topIndexY >= 0) { | |
| 962 styledText.verticalScrollOffset = (topIndex - 1) * lineHeight + lineHeight - topIndexY; | |
| 963 } else { | |
| 964 styledText.verticalScrollOffset = topIndex * lineHeight - topIndexY; | |
| 965 } | |
| 966 } | |
| 967 styledText.calculateScrollBars(); | |
| 968 if (styledText.isBidiCaret()) styledText.createCaretBitmaps(); | |
| 969 styledText.caretDirection = SWT.NULL; | |
| 970 styledText.setCaretLocation(); | |
| 971 styledText.redraw(); | |
| 972 } | |
| 973 } | |
| 974 return layout; | |
| 975 } | |
| 976 int getWidth() { | |
| 977 return maxWidth; | |
| 978 } | |
| 979 void reset() { | |
| 980 if (layouts !is null) { | |
| 981 for (int i = 0; i < layouts.length; i++) { | |
| 982 TextLayout layout = layouts[i]; | |
| 983 if (layout !is null) layout.dispose(); | |
| 984 } | |
| 985 layouts = null; | |
| 986 } | |
| 987 topIndex = -1; | |
| 988 stylesSetCount = styleCount = lineCount = 0; | |
| 989 ranges = null; | |
| 990 styles = null; | |
| 991 stylesSet = null; | |
| 992 lines = null; | |
| 993 lineWidth = null; | |
| 994 lineHeight = null; | |
| 995 bullets = null; | |
| 996 bulletsIndices = null; | |
| 997 redrawLines = null; | |
| 998 } | |
| 999 void reset(int startLine, int lineCount) { | |
| 1000 int endLine = startLine + lineCount; | |
| 1001 if (startLine < 0 || endLine > lineWidth.length) return; | |
| 1002 for (int i = startLine; i < endLine; i++) { | |
| 1003 lineWidth[i] = -1; | |
| 1004 lineHeight[i] = -1; | |
| 1005 } | |
| 1006 if (startLine <= maxWidthLineIndex && maxWidthLineIndex < endLine) { | |
| 1007 maxWidth = 0; | |
| 1008 maxWidthLineIndex = -1; | |
| 1009 if (lineCount !is this.lineCount) { | |
| 1010 for (int i = 0; i < this.lineCount; i++) { | |
| 1011 if (lineWidth[i] > maxWidth) { | |
| 1012 maxWidth = lineWidth[i]; | |
| 1013 maxWidthLineIndex = i; | |
| 1014 } | |
| 1015 } | |
| 1016 } | |
| 1017 } | |
| 1018 } | |
| 1019 void setContent(StyledTextContent content) { | |
| 1020 reset(); | |
| 1021 this.content = content; | |
| 1022 lineCount = content.getLineCount(); | |
| 1023 lineWidth = new int[lineCount]; | |
| 1024 lineHeight = new int[lineCount]; | |
| 1025 reset(0, lineCount); | |
| 1026 } | |
| 1027 void setFont(Font font, int tabs) { | |
| 1028 TextLayout layout = new TextLayout(device); | |
| 1029 layout.setFont(regularFont); | |
| 1030 if (font !is null) { | |
| 1031 if (boldFont !is null) boldFont.dispose(); | |
| 1032 if (italicFont !is null) italicFont.dispose(); | |
| 1033 if (boldItalicFont !is null) boldItalicFont.dispose(); | |
| 1034 boldFont = italicFont = boldItalicFont = null; | |
| 1035 regularFont = font; | |
| 1036 layout.setText(" "); | |
| 1037 layout.setFont(font); | |
| 1038 layout.setStyle(new TextStyle(getFont(SWT.NORMAL), null, null), 0, 0); | |
| 1039 layout.setStyle(new TextStyle(getFont(SWT.BOLD), null, null), 1, 1); | |
| 1040 layout.setStyle(new TextStyle(getFont(SWT.ITALIC), null, null), 2, 2); | |
| 1041 layout.setStyle(new TextStyle(getFont(SWT.BOLD | SWT.ITALIC), null, null), 3, 3); | |
| 1042 FontMetrics metrics = layout.getLineMetrics(0); | |
| 1043 ascent = metrics.getAscent() + metrics.getLeading(); | |
| 1044 descent = metrics.getDescent(); | |
| 1045 boldFont.dispose(); | |
| 1046 italicFont.dispose(); | |
| 1047 boldItalicFont.dispose(); | |
| 1048 boldFont = italicFont = boldItalicFont = null; | |
| 1049 } | |
| 1050 layout.dispose(); | |
| 1051 layout = new TextLayout(device); | |
| 1052 layout.setFont(regularFont); | |
| 1053 StringBuffer tabBuffer = new StringBuffer(tabs); | |
| 1054 for (int i = 0; i < tabs; i++) { | |
| 1055 tabBuffer.append(' '); | |
| 1056 } | |
| 1057 layout.setText(tabBuffer.toString()); | |
| 1058 tabWidth = layout.getBounds().width; | |
| 1059 layout.dispose(); | |
| 1060 if (styledText !is null) { | |
| 1061 GC gc = new GC(styledText); | |
| 1062 averageCharWidth = gc.getFontMetrics().getAverageCharWidth(); | |
| 1063 gc.dispose(); | |
| 1064 } | |
| 1065 } | |
| 1066 void setLineAlignment(int startLine, int count, int alignment) { | |
| 1067 if (lines is null) lines = new LineInfo[lineCount]; | |
| 1068 for (int i = startLine; i < startLine + count; i++) { | |
| 1069 if (lines[i] is null) { | |
| 1070 lines[i] = new LineInfo(); | |
| 1071 } | |
| 1072 lines[i].flags |= ALIGNMENT; | |
| 1073 lines[i].alignment = alignment; | |
| 1074 } | |
| 1075 } | |
| 1076 void setLineBackground(int startLine, int count, Color background) { | |
| 1077 if (lines is null) lines = new LineInfo[lineCount]; | |
| 1078 for (int i = startLine; i < startLine + count; i++) { | |
| 1079 if (lines[i] is null) { | |
| 1080 lines[i] = new LineInfo(); | |
| 1081 } | |
| 1082 lines[i].flags |= BACKGROUND; | |
| 1083 lines[i].background = background; | |
| 1084 } | |
| 1085 } | |
| 1086 void setLineBullet(int startLine, int count, Bullet bullet) { | |
| 1087 if (bulletsIndices !is null) { | |
| 1088 bulletsIndices = null; | |
| 1089 bullets = null; | |
| 1090 } | |
| 1091 if (bullets is null) { | |
| 1092 if (bullet is null) return; | |
| 1093 bullets = new Bullet[1]; | |
| 1094 bullets[0] = bullet; | |
| 1095 } | |
| 1096 int index = 0; | |
| 1097 while (index < bullets.length) { | |
| 1098 if (bullet is bullets[index]) break; | |
| 1099 index++; | |
| 1100 } | |
| 1101 if (bullet !is null) { | |
| 1102 if (index is bullets.length) { | |
| 1103 Bullet[] newBulletsList = new Bullet[bullets.length + 1]; | |
| 1104 System.arraycopy(bullets, 0, newBulletsList, 0, bullets.length); | |
| 1105 newBulletsList[index] = bullet; | |
| 1106 bullets = newBulletsList; | |
| 1107 } | |
| 1108 bullet.addIndices(startLine, count); | |
| 1109 } else { | |
| 1110 updateBullets(startLine, count, 0, false); | |
| 1111 styledText.redrawLinesBullet(redrawLines); | |
| 1112 redrawLines = null; | |
| 1113 } | |
| 1114 } | |
| 1115 void setLineIndent(int startLine, int count, int indent) { | |
| 1116 if (lines is null) lines = new LineInfo[lineCount]; | |
| 1117 for (int i = startLine; i < startLine + count; i++) { | |
| 1118 if (lines[i] is null) { | |
| 1119 lines[i] = new LineInfo(); | |
| 1120 } | |
| 1121 lines[i].flags |= INDENT; | |
| 1122 lines[i].indent = indent; | |
| 1123 } | |
| 1124 } | |
| 1125 void setLineJustify(int startLine, int count, bool justify) { | |
| 1126 if (lines is null) lines = new LineInfo[lineCount]; | |
| 1127 for (int i = startLine; i < startLine + count; i++) { | |
| 1128 if (lines[i] is null) { | |
| 1129 lines[i] = new LineInfo(); | |
| 1130 } | |
| 1131 lines[i].flags |= JUSTIFY; | |
| 1132 lines[i].justify = justify; | |
| 1133 } | |
| 1134 } | |
| 1135 void setLineSegments(int startLine, int count, int[] segments) { | |
| 1136 if (lines is null) lines = new LineInfo[lineCount]; | |
| 1137 for (int i = startLine; i < startLine + count; i++) { | |
| 1138 if (lines[i] is null) { | |
| 1139 lines[i] = new LineInfo(); | |
| 1140 } | |
| 1141 lines[i].flags |= SEGMENTS; | |
| 1142 lines[i].segments = segments; | |
| 1143 } | |
| 1144 } | |
| 1145 void setStyleRanges (int[] newRanges, StyleRange[] newStyles) { | |
| 1146 if (newStyles is null) { | |
| 1147 stylesSetCount = styleCount = 0; | |
| 1148 ranges = null; | |
| 1149 styles = null; | |
| 1150 stylesSet = null; | |
| 1151 return; | |
| 1152 } | |
| 1153 if (newRanges is null && COMPACT_STYLES) { | |
| 1154 newRanges = new int[newStyles.length << 1]; | |
| 1155 StyleRange[] tmpStyles = new StyleRange[newStyles.length]; | |
| 1156 if (stylesSet is null) stylesSet = new StyleRange[4]; | |
| 1157 for (int i = 0, j = 0; i < newStyles.length; i++) { | |
| 1158 StyleRange newStyle = newStyles[i]; | |
| 1159 newRanges[j++] = newStyle.start; | |
| 1160 newRanges[j++] = newStyle.length; | |
| 1161 int index = 0; | |
| 1162 while (index < stylesSetCount) { | |
| 1163 if (stylesSet[index].similarTo(newStyle)) break; | |
| 1164 index++; | |
| 1165 } | |
| 1166 if (index is stylesSetCount) { | |
| 1167 if (stylesSetCount is stylesSet.length) { | |
| 1168 StyleRange[] tmpStylesSet = new StyleRange[stylesSetCount + 4]; | |
| 1169 System.arraycopy(stylesSet, 0, tmpStylesSet, 0, stylesSetCount); | |
| 1170 stylesSet = tmpStylesSet; | |
| 1171 } | |
| 1172 stylesSet[stylesSetCount++] = newStyle; | |
| 1173 } | |
| 1174 tmpStyles[i] = stylesSet[index]; | |
| 1175 } | |
| 1176 newStyles = tmpStyles; | |
| 1177 } | |
| 1178 | |
| 1179 if (styleCount is 0) { | |
| 1180 if (newRanges !is null) { | |
| 1181 ranges = new int[newRanges.length]; | |
| 1182 System.arraycopy(newRanges, 0, ranges, 0, ranges.length); | |
| 1183 } | |
| 1184 styles = new StyleRange[newStyles.length]; | |
| 1185 System.arraycopy(newStyles, 0, styles, 0, styles.length); | |
| 1186 styleCount = newStyles.length; | |
| 1187 return; | |
| 1188 } | |
| 1189 if (newRanges !is null && ranges is null) { | |
| 1190 ranges = new int[styles.length << 1]; | |
| 1191 for (int i = 0, j = 0; i < styleCount; i++) { | |
| 1192 ranges[j++] = styles[i].start; | |
| 1193 ranges[j++] = styles[i].length; | |
| 1194 } | |
| 1195 } | |
| 1196 if (newRanges is null && ranges !is null) { | |
| 1197 newRanges = new int[newStyles.length << 1]; | |
| 1198 for (int i = 0, j = 0; i < newStyles.length; i++) { | |
| 1199 newRanges[j++] = newStyles[i].start; | |
| 1200 newRanges[j++] = newStyles[i].length; | |
| 1201 } | |
| 1202 } | |
| 1203 if (ranges !is null) { | |
| 1204 int rangeCount = styleCount << 1; | |
| 1205 int start = newRanges[0]; | |
| 1206 int modifyStart = getRangeIndex(start, -1, rangeCount), modifyEnd; | |
| 1207 bool insert = modifyStart is rangeCount; | |
| 1208 if (!insert) { | |
| 1209 int end = newRanges[newRanges.length - 2] + newRanges[newRanges.length - 1]; | |
| 1210 modifyEnd = getRangeIndex(end, modifyStart - 1, rangeCount); | |
| 1211 insert = modifyStart is modifyEnd && ranges[modifyStart] >= end; | |
| 1212 } | |
| 1213 if (insert) { | |
| 1214 addMerge(newRanges, newStyles, newRanges.length, modifyStart, modifyStart); | |
| 1215 return; | |
| 1216 } | |
| 1217 modifyEnd = modifyStart; | |
| 1218 int[] mergeRanges = new int[6]; | |
| 1219 StyleRange[] mergeStyles = new StyleRange[3]; | |
| 1220 for (int i = 0; i < newRanges.length; i += 2) { | |
| 1221 int newStart = newRanges[i]; | |
| 1222 int newEnd = newStart + newRanges[i + 1]; | |
| 1223 if (newStart is newEnd) continue; | |
| 1224 int modifyLast = 0, mergeCount = 0; | |
| 1225 while (modifyEnd < rangeCount) { | |
| 1226 if (newStart >= ranges[modifyStart] + ranges[modifyStart + 1]) modifyStart += 2; | |
| 1227 if (ranges[modifyEnd] + ranges[modifyEnd + 1] > newEnd) break; | |
| 1228 modifyEnd += 2; | |
| 1229 } | |
| 1230 if (ranges[modifyStart] < newStart && newStart < ranges[modifyStart] + ranges[modifyStart + 1]) { | |
| 1231 mergeStyles[mergeCount >> 1] = styles[modifyStart >> 1]; | |
| 1232 mergeRanges[mergeCount] = ranges[modifyStart]; | |
| 1233 mergeRanges[mergeCount + 1] = newStart - ranges[modifyStart]; | |
| 1234 mergeCount += 2; | |
| 1235 } | |
| 1236 mergeStyles[mergeCount >> 1] = newStyles[i >> 1]; | |
| 1237 mergeRanges[mergeCount] = newStart; | |
| 1238 mergeRanges[mergeCount + 1] = newRanges[i + 1]; | |
| 1239 mergeCount += 2; | |
| 1240 if (modifyEnd < rangeCount && ranges[modifyEnd] < newEnd && newEnd < ranges[modifyEnd] + ranges[modifyEnd + 1]) { | |
| 1241 mergeStyles[mergeCount >> 1] = styles[modifyEnd >> 1]; | |
| 1242 mergeRanges[mergeCount] = newEnd; | |
| 1243 mergeRanges[mergeCount + 1] = ranges[modifyEnd] + ranges[modifyEnd + 1] - newEnd; | |
| 1244 mergeCount += 2; | |
| 1245 modifyLast = 2; | |
| 1246 } | |
| 1247 int grow = addMerge(mergeRanges, mergeStyles, mergeCount, modifyStart, modifyEnd + modifyLast); | |
| 1248 rangeCount += grow; | |
| 1249 modifyStart = modifyEnd += grow; | |
| 1250 } | |
| 1251 } else { | |
| 1252 int start = newStyles[0].start; | |
| 1253 int modifyStart = getRangeIndex(start, -1, styleCount), modifyEnd; | |
| 1254 bool insert = modifyStart is styleCount; | |
| 1255 if (!insert) { | |
| 1256 int end = newStyles[newStyles.length - 1].start + newStyles[newStyles.length - 1].length; | |
| 1257 modifyEnd = getRangeIndex(end, modifyStart - 1, styleCount); | |
| 1258 insert = modifyStart is modifyEnd && styles[modifyStart].start >= end; | |
| 1259 } | |
| 1260 if (insert) { | |
| 1261 addMerge(newStyles, newStyles.length, modifyStart, modifyStart); | |
| 1262 return; | |
| 1263 } | |
| 1264 modifyEnd = modifyStart; | |
| 1265 StyleRange[] mergeStyles = new StyleRange[3]; | |
| 1266 for (int i = 0; i < newStyles.length; i++) { | |
| 1267 StyleRange newStyle = newStyles[i], style; | |
| 1268 int newStart = newStyle.start; | |
| 1269 int newEnd = newStart + newStyle.length; | |
| 1270 if (newStart is newEnd) continue; | |
| 1271 int modifyLast = 0, mergeCount = 0; | |
| 1272 while (modifyEnd < styleCount) { | |
| 1273 if (newStart >= styles[modifyStart].start + styles[modifyStart].length) modifyStart++; | |
| 1274 if (styles[modifyEnd].start + styles[modifyEnd].length > newEnd) break; | |
| 1275 modifyEnd++; | |
| 1276 } | |
| 1277 style = styles[modifyStart]; | |
| 1278 if (style.start < newStart && newStart < style.start + style.length) { | |
| 1279 style = mergeStyles[mergeCount++] = cast(StyleRange)style.clone(); | |
| 1280 style.length = newStart - style.start; | |
| 1281 } | |
| 1282 mergeStyles[mergeCount++] = newStyle; | |
| 1283 if (modifyEnd < styleCount) { | |
| 1284 style = styles[modifyEnd]; | |
| 1285 if (style.start < newEnd && newEnd < style.start + style.length) { | |
| 1286 style = mergeStyles[mergeCount++] = cast(StyleRange)style.clone(); | |
| 1287 style.length += style.start - newEnd; | |
| 1288 style.start = newEnd; | |
| 1289 modifyLast = 1; | |
| 1290 } | |
| 1291 } | |
| 1292 int grow = addMerge(mergeStyles, mergeCount, modifyStart, modifyEnd + modifyLast); | |
| 1293 modifyStart = modifyEnd += grow; | |
| 1294 } | |
| 1295 } | |
| 1296 } | |
| 1297 void textChanging(TextChangingEvent event) { | |
| 1298 int start = event.start; | |
| 1299 int newCharCount = event.newCharCount, replaceCharCount = event.replaceCharCount; | |
| 1300 int newLineCount = event.newLineCount, replaceLineCount = event.replaceLineCount; | |
| 1301 | |
| 1302 updateRanges(start, replaceCharCount, newCharCount); | |
| 1303 | |
| 1304 int startLine = content.getLineAtOffset(start); | |
| 1305 if (replaceCharCount is content.getCharCount()) lines = null; | |
| 1306 if (replaceLineCount is lineCount) { | |
| 1307 lineCount = newLineCount; | |
| 1308 lineWidth = new int[lineCount]; | |
| 1309 lineHeight = new int[lineCount]; | |
| 1310 reset(0, lineCount); | |
| 1311 } else { | |
| 1312 int delta = newLineCount - replaceLineCount; | |
| 1313 if (lineCount + delta > lineWidth.length) { | |
| 1314 int[] newWidths = new int[lineCount + delta + GROW]; | |
| 1315 System.arraycopy(lineWidth, 0, newWidths, 0, lineCount); | |
| 1316 lineWidth = newWidths; | |
| 1317 int[] newHeights = new int[lineCount + delta + GROW]; | |
| 1318 System.arraycopy(lineHeight, 0, newHeights, 0, lineCount); | |
| 1319 lineHeight = newHeights; | |
| 1320 } | |
| 1321 if (lines !is null) { | |
| 1322 if (lineCount + delta > lines.length) { | |
| 1323 LineInfo[] newLines = new LineInfo[lineCount + delta + GROW]; | |
| 1324 System.arraycopy(lines, 0, newLines, 0, lineCount); | |
| 1325 lines = newLines; | |
| 1326 } | |
| 1327 } | |
| 1328 int startIndex = startLine + replaceLineCount + 1; | |
| 1329 int endIndex = startLine + newLineCount + 1; | |
| 1330 System.arraycopy(lineWidth, startIndex, lineWidth, endIndex, lineCount - startIndex); | |
| 1331 System.arraycopy(lineHeight, startIndex, lineHeight, endIndex, lineCount - startIndex); | |
| 1332 for (int i = startLine; i < endIndex; i++) { | |
| 1333 lineWidth[i] = lineHeight[i] = -1; | |
| 1334 } | |
| 1335 for (int i = lineCount + delta; i < lineCount; i++) { | |
| 1336 lineWidth[i] = lineHeight[i] = -1; | |
| 1337 } | |
| 1338 if (layouts !is null) { | |
| 1339 int layoutStartLine = startLine - topIndex; | |
| 1340 int layoutEndLine = layoutStartLine + replaceLineCount + 1; | |
| 1341 for (int i = layoutStartLine; i < layoutEndLine; i++) { | |
| 1342 if (0 <= i && i < layouts.length) { | |
| 1343 if (layouts[i] !is null) layouts[i].dispose(); | |
| 1344 layouts[i] = null; | |
| 1345 if (bullets !is null && bulletsIndices !is null) bullets[i] = null; | |
| 1346 } | |
| 1347 } | |
| 1348 if (delta > 0) { | |
| 1349 for (int i = layouts.length - 1; i >= layoutEndLine; i--) { | |
| 1350 if (0 <= i && i < layouts.length) { | |
| 1351 endIndex = i + delta; | |
| 1352 if (0 <= endIndex && endIndex < layouts.length) { | |
| 1353 layouts[endIndex] = layouts[i]; | |
| 1354 layouts[i] = null; | |
| 1355 if (bullets !is null && bulletsIndices !is null) { | |
| 1356 bullets[endIndex] = bullets[i]; | |
| 1357 bulletsIndices[endIndex] = bulletsIndices[i]; | |
| 1358 bullets[i] = null; | |
| 1359 } | |
| 1360 } else { | |
| 1361 if (layouts[i] !is null) layouts[i].dispose(); | |
| 1362 layouts[i] = null; | |
| 1363 if (bullets !is null && bulletsIndices !is null) bullets[i] = null; | |
| 1364 } | |
| 1365 } | |
| 1366 } | |
| 1367 } else if (delta < 0) { | |
| 1368 for (int i = layoutEndLine; i < layouts.length; i++) { | |
| 1369 if (0 <= i && i < layouts.length) { | |
| 1370 endIndex = i + delta; | |
| 1371 if (0 <= endIndex && endIndex < layouts.length) { | |
| 1372 layouts[endIndex] = layouts[i]; | |
| 1373 layouts[i] = null; | |
| 1374 if (bullets !is null && bulletsIndices !is null) { | |
| 1375 bullets[endIndex] = bullets[i]; | |
| 1376 bulletsIndices[endIndex] = bulletsIndices[i]; | |
| 1377 bullets[i] = null; | |
| 1378 } | |
| 1379 } else { | |
| 1380 if (layouts[i] !is null) layouts[i].dispose(); | |
| 1381 layouts[i] = null; | |
| 1382 if (bullets !is null && bulletsIndices !is null) bullets[i] = null; | |
| 1383 } | |
| 1384 } | |
| 1385 } | |
| 1386 } | |
| 1387 } | |
| 1388 if (replaceLineCount !is 0 || newLineCount !is 0) { | |
| 1389 int startLineOffset = content.getOffsetAtLine(startLine); | |
| 1390 if (startLineOffset !is start) startLine++; | |
| 1391 updateBullets(startLine, replaceLineCount, newLineCount, true); | |
| 1392 if (lines !is null) { | |
| 1393 startIndex = startLine + replaceLineCount; | |
| 1394 endIndex = startLine + newLineCount; | |
| 1395 System.arraycopy(lines, startIndex, lines, endIndex, lineCount - startIndex); | |
| 1396 for (int i = startLine; i < endIndex; i++) { | |
| 1397 lines[i] = null; | |
| 1398 } | |
| 1399 for (int i = lineCount + delta; i < lineCount; i++) { | |
| 1400 lines[i] = null; | |
| 1401 } | |
| 1402 } | |
| 1403 } | |
| 1404 lineCount += delta; | |
| 1405 if (maxWidthLineIndex !is -1 && startLine <= maxWidthLineIndex && maxWidthLineIndex <= startLine + replaceLineCount) { | |
| 1406 maxWidth = 0; | |
| 1407 maxWidthLineIndex = -1; | |
| 1408 for (int i = 0; i < lineCount; i++) { | |
| 1409 if (lineWidth[i] > maxWidth) { | |
| 1410 maxWidth = lineWidth[i]; | |
| 1411 maxWidthLineIndex = i; | |
| 1412 } | |
| 1413 } | |
| 1414 } | |
| 1415 } | |
| 1416 } | |
| 1417 void updateBullets(int startLine, int replaceLineCount, int newLineCount, bool update) { | |
| 1418 if (bullets is null) return; | |
| 1419 if (bulletsIndices !is null) return; | |
| 1420 for (int i = 0; i < bullets.length; i++) { | |
| 1421 Bullet bullet = bullets[i]; | |
| 1422 int[] lines = bullet.removeIndices(startLine, replaceLineCount, newLineCount, update); | |
| 1423 if (lines !is null) { | |
| 1424 if (redrawLines is null) { | |
| 1425 redrawLines = lines; | |
| 1426 } else { | |
| 1427 int[] newRedrawBullets = new int[redrawLines.length + lines.length]; | |
| 1428 System.arraycopy(redrawLines, 0, newRedrawBullets, 0, redrawLines.length); | |
| 1429 System.arraycopy(lines, 0, newRedrawBullets, redrawLines.length, lines.length); | |
| 1430 redrawLines = newRedrawBullets; | |
| 1431 } | |
| 1432 } | |
| 1433 } | |
| 1434 int removed = 0; | |
| 1435 for (int i = 0; i < bullets.length; i++) { | |
| 1436 if (bullets[i].size() is 0) removed++; | |
| 1437 } | |
| 1438 if (removed > 0) { | |
| 1439 if (removed is bullets.length) { | |
| 1440 bullets = null; | |
| 1441 } else { | |
| 1442 Bullet[] newBulletsList = new Bullet[bullets.length - removed]; | |
| 1443 for (int i = 0, j = 0; i < bullets.length; i++) { | |
| 1444 Bullet bullet = bullets[i]; | |
| 1445 if (bullet.size() > 0) newBulletsList[j++] = bullet; | |
| 1446 } | |
| 1447 bullets = newBulletsList; | |
| 1448 } | |
| 1449 } | |
| 1450 } | |
| 1451 void updateRanges(int start, int replaceCharCount, int newCharCount) { | |
| 1452 if (styleCount is 0 || (replaceCharCount is 0 && newCharCount is 0)) return; | |
| 1453 if (ranges !is null) { | |
| 1454 int rangeCount = styleCount << 1; | |
| 1455 int modifyStart = getRangeIndex(start, -1, rangeCount); | |
| 1456 if (modifyStart is rangeCount) return; | |
| 1457 int end = start + replaceCharCount; | |
| 1458 int modifyEnd = getRangeIndex(end, modifyStart - 1, rangeCount); | |
| 1459 int offset = newCharCount - replaceCharCount; | |
| 1460 if (modifyStart is modifyEnd && ranges[modifyStart] < start && end < ranges[modifyEnd] + ranges[modifyEnd + 1]) { | |
| 1461 if (newCharCount is 0) { | |
| 1462 ranges[modifyStart + 1] -= replaceCharCount; | |
| 1463 modifyEnd += 2; | |
| 1464 } else { | |
| 1465 if (rangeCount + 2 > ranges.length) { | |
| 1466 int[] newRanges = new int[ranges.length + (GROW << 1)]; | |
| 1467 System.arraycopy(ranges, 0, newRanges, 0, rangeCount); | |
| 1468 ranges = newRanges; | |
| 1469 StyleRange[] newStyles = new StyleRange[styles.length + GROW]; | |
| 1470 System.arraycopy(styles, 0, newStyles, 0, styleCount); | |
| 1471 styles = newStyles; | |
| 1472 } | |
| 1473 System.arraycopy(ranges, modifyStart + 2, ranges, modifyStart + 4, rangeCount - (modifyStart + 2)); | |
| 1474 System.arraycopy(styles, (modifyStart + 2) >> 1, styles, (modifyStart + 4) >> 1, styleCount - ((modifyStart + 2) >> 1)); | |
| 1475 ranges[modifyStart + 3] = ranges[modifyStart] + ranges[modifyStart + 1] - end; | |
| 1476 ranges[modifyStart + 2] = start + newCharCount; | |
| 1477 ranges[modifyStart + 1] = start - ranges[modifyStart]; | |
| 1478 styles[(modifyStart >> 1) + 1] = styles[modifyStart >> 1]; | |
| 1479 rangeCount += 2; | |
| 1480 styleCount++; | |
| 1481 modifyEnd += 4; | |
| 1482 } | |
| 1483 if (offset !is 0) { | |
| 1484 for (int i = modifyEnd; i < rangeCount; i += 2) { | |
| 1485 ranges[i] += offset; | |
| 1486 } | |
| 1487 } | |
| 1488 } else { | |
| 1489 if (ranges[modifyStart] < start && start < ranges[modifyStart] + ranges[modifyStart + 1]) { | |
| 1490 ranges[modifyStart + 1] = start - ranges[modifyStart]; | |
| 1491 modifyStart += 2; | |
| 1492 } | |
| 1493 if (modifyEnd < rangeCount && ranges[modifyEnd] < end && end < ranges[modifyEnd] + ranges[modifyEnd + 1]) { | |
| 1494 ranges[modifyEnd + 1] = ranges[modifyEnd] + ranges[modifyEnd + 1] - end; | |
| 1495 ranges[modifyEnd] = end; | |
| 1496 } | |
| 1497 if (offset !is 0) { | |
| 1498 for (int i = modifyEnd; i < rangeCount; i += 2) { | |
| 1499 ranges[i] += offset; | |
| 1500 } | |
| 1501 } | |
| 1502 System.arraycopy(ranges, modifyEnd, ranges, modifyStart, rangeCount - modifyEnd); | |
| 1503 System.arraycopy(styles, modifyEnd >> 1, styles, modifyStart >> 1, styleCount - (modifyEnd >> 1)); | |
| 1504 styleCount -= (modifyEnd - modifyStart) >> 1; | |
| 1505 } | |
| 1506 } else { | |
| 1507 int modifyStart = getRangeIndex(start, -1, styleCount); | |
| 1508 if (modifyStart is styleCount) return; | |
| 1509 int end = start + replaceCharCount; | |
| 1510 int modifyEnd = getRangeIndex(end, modifyStart - 1, styleCount); | |
| 1511 int offset = newCharCount - replaceCharCount; | |
| 1512 if (modifyStart is modifyEnd && styles[modifyStart].start < start && end < styles[modifyEnd].start + styles[modifyEnd].length) { | |
| 1513 if (newCharCount is 0) { | |
| 1514 styles[modifyStart].length -= replaceCharCount; | |
| 1515 modifyEnd++; | |
| 1516 } else { | |
| 1517 if (styleCount + 1 > styles.length) { | |
| 1518 StyleRange[] newStyles = new StyleRange[styles.length + GROW]; | |
| 1519 System.arraycopy(styles, 0, newStyles, 0, styleCount); | |
| 1520 styles = newStyles; | |
| 1521 } | |
| 1522 System.arraycopy(styles, modifyStart + 1, styles, modifyStart + 2, styleCount - (modifyStart + 1)); | |
| 1523 styles[modifyStart + 1] = cast(StyleRange)styles[modifyStart].clone(); | |
| 1524 styles[modifyStart + 1].length = styles[modifyStart].start + styles[modifyStart].length - end; | |
| 1525 styles[modifyStart + 1].start = start + newCharCount; | |
| 1526 styles[modifyStart].length = start - styles[modifyStart].start; | |
| 1527 styleCount++; | |
| 1528 modifyEnd += 2; | |
| 1529 } | |
| 1530 if (offset !is 0) { | |
| 1531 for (int i = modifyEnd; i < styleCount; i++) { | |
| 1532 styles[i].start += offset; | |
| 1533 } | |
| 1534 } | |
| 1535 } else { | |
| 1536 if (styles[modifyStart].start < start && start < styles[modifyStart].start + styles[modifyStart].length) { | |
| 1537 styles[modifyStart].length = start - styles[modifyStart].start; | |
| 1538 modifyStart++; | |
| 1539 } | |
| 1540 if (modifyEnd < styleCount && styles[modifyEnd].start < end && end < styles[modifyEnd].start + styles[modifyEnd].length) { | |
| 1541 styles[modifyEnd].length = styles[modifyEnd].start + styles[modifyEnd].length - end; | |
| 1542 styles[modifyEnd].start = end; | |
| 1543 } | |
| 1544 if (offset !is 0) { | |
| 1545 for (int i = modifyEnd; i < styleCount; i++) { | |
| 1546 styles[i].start += offset; | |
| 1547 } | |
| 1548 } | |
| 1549 System.arraycopy(styles, modifyEnd, styles, modifyStart, styleCount - modifyEnd); | |
| 1550 styleCount -= modifyEnd - modifyStart; | |
| 1551 } | |
| 1552 } | |
| 1553 } | |
| 1554 } |