Mercurial > projects > dwt-win
annotate dwt/custom/StyledTextRenderer.d @ 212:ab60f3309436
reverted the char[] to String and use the an alias.
| author | Frank Benoit <benoit@tionex.de> |
|---|---|
| date | Mon, 05 May 2008 00:12:38 +0200 |
| parents | a5afe31f5cdd |
| children | 36f5cb12e1a2 |
| rev | line source |
|---|---|
| 155 | 1 /******************************************************************************* |
| 2 * Copyright (c) 2000, 2007 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 dwt.custom.StyledTextRenderer; | |
| 14 | |
| 15 | |
| 16 | |
| 17 import dwt.DWT; | |
| 18 import dwt.graphics.Color; | |
| 19 import dwt.graphics.Device; | |
| 20 import dwt.graphics.Font; | |
| 21 import dwt.graphics.FontData; | |
| 22 import dwt.graphics.FontMetrics; | |
| 23 import dwt.graphics.GC; | |
| 24 import dwt.graphics.GlyphMetrics; | |
| 25 import dwt.graphics.Point; | |
| 26 import dwt.graphics.Rectangle; | |
| 27 import dwt.graphics.TextLayout; | |
| 28 import dwt.graphics.TextStyle; | |
| 29 import dwt.widgets.Display; | |
| 30 import dwt.widgets.ScrollBar; | |
| 31 import dwt.custom.StyledText; | |
| 32 import dwt.custom.Bullet; | |
| 33 import dwt.custom.StyleRange; | |
| 34 import dwt.custom.StyledText; | |
| 35 import dwt.custom.StyledTextContent; | |
| 36 import dwt.custom.TextChangingEvent; | |
| 37 import dwt.custom.ST; | |
| 38 import dwt.custom.StyledTextEvent; | |
| 39 | |
| 40 import dwt.dwthelper.Runnable; | |
| 41 | |
| 42 static import tango.text.Text; | |
| 43 static import tango.text.Util; | |
| 44 static import tango.io.FileConst; | |
| 45 static import tango.text.convert.Utf; | |
| 46 import tango.util.Convert; | |
| 47 import dwt.dwthelper.utils; | |
| 48 | |
| 49 /** | |
| 50 * A StyledTextRenderer renders the content of a StyledText widget. | |
| 51 * This class can be used to render to the display or to a printer. | |
| 52 */ | |
| 53 class StyledTextRenderer { | |
| 54 Device device; | |
| 55 StyledText styledText; | |
| 56 StyledTextContent content; | |
| 57 | |
| 58 /* Font info */ | |
| 59 Font regularFont, boldFont, italicFont, boldItalicFont; | |
| 60 int tabWidth; | |
| 61 int ascent, descent; | |
| 62 int averageCharWidth; | |
| 63 | |
| 64 /* Line data */ | |
| 65 int topIndex = -1; | |
| 66 TextLayout[] layouts; | |
| 67 int lineCount; | |
| 68 int[] lineWidth; | |
| 69 int[] lineHeight; | |
| 70 LineInfo[] lines; | |
| 71 int maxWidth; | |
| 72 int maxWidthLineIndex; | |
| 73 bool idleRunning; | |
| 74 | |
| 75 /* Bullet */ | |
| 76 Bullet[] bullets; | |
| 77 int[] bulletsIndices; | |
| 78 int[] redrawLines; | |
| 79 | |
| 80 /* Style data */ | |
| 81 int[] ranges; | |
| 82 int styleCount; | |
| 83 StyleRange[] styles; | |
| 84 StyleRange[] stylesSet; | |
| 85 int stylesSetCount = 0; | |
| 86 final static int BULLET_MARGIN = 8; | |
| 87 | |
| 88 final static bool COMPACT_STYLES = true; | |
| 89 final static bool MERGE_STYLES = true; | |
| 90 | |
| 91 final static int GROW = 32; | |
| 92 final static int IDLE_TIME = 50; | |
| 93 final static int CACHE_SIZE = 128; | |
| 94 | |
| 95 final static int BACKGROUND = 1 << 0; | |
| 96 final static int ALIGNMENT = 1 << 1; | |
| 97 final static int INDENT = 1 << 2; | |
| 98 final static int JUSTIFY = 1 << 3; | |
| 99 final static int SEGMENTS = 1 << 5; | |
| 100 | |
| 101 static class LineInfo { | |
| 102 int flags; | |
| 103 Color background; | |
| 104 int alignment; | |
| 105 int indent; | |
| 106 bool justify; | |
| 107 int[] segments; | |
| 108 | |
| 109 public this() { | |
| 110 } | |
| 111 public this(LineInfo info) { | |
| 112 if (info !is null) { | |
| 113 flags = info.flags; | |
| 114 background = info.background; | |
| 115 alignment = info.alignment; | |
| 116 indent = info.indent; | |
| 117 justify = info.justify; | |
| 118 segments = info.segments; | |
| 119 } | |
| 120 } | |
| 121 } | |
| 122 | |
| 123 this(Device device, StyledText styledText) { | |
| 124 this.device = device; | |
| 125 this.styledText = styledText; | |
| 126 } | |
| 127 int addMerge(int[] mergeRanges, StyleRange[] mergeStyles, int mergeCount, int modifyStart, int modifyEnd) { | |
| 128 int rangeCount = styleCount << 1; | |
| 129 StyleRange endStyle = null; | |
| 130 int endStart = 0, endLength = 0; | |
| 131 if (modifyEnd < rangeCount) { | |
| 132 endStyle = styles[modifyEnd >> 1]; | |
| 133 endStart = ranges[modifyEnd]; | |
| 134 endLength = ranges[modifyEnd + 1]; | |
| 135 } | |
| 136 int grow = mergeCount - (modifyEnd - modifyStart); | |
| 137 if (rangeCount + grow >= ranges.length) { | |
| 138 int[] tmpRanges = new int[ranges.length + grow + (GROW << 1)]; | |
| 139 System.arraycopy(ranges, 0, tmpRanges, 0, modifyStart); | |
| 140 StyleRange[] tmpStyles = new StyleRange[styles.length + (grow >> 1) + GROW]; | |
| 141 System.arraycopy(styles, 0, tmpStyles, 0, modifyStart >> 1); | |
| 142 if (rangeCount > modifyEnd) { | |
| 143 System.arraycopy(ranges, modifyEnd, tmpRanges, modifyStart + mergeCount, rangeCount - modifyEnd); | |
| 144 System.arraycopy(styles, modifyEnd >> 1, tmpStyles, (modifyStart + mergeCount) >> 1, styleCount - (modifyEnd >> 1)); | |
| 145 } | |
| 146 ranges = tmpRanges; | |
| 147 styles = tmpStyles; | |
| 148 } else { | |
| 149 if (rangeCount > modifyEnd) { | |
| 150 System.arraycopy(ranges, modifyEnd, ranges, modifyStart + mergeCount, rangeCount - modifyEnd); | |
| 151 System.arraycopy(styles, modifyEnd >> 1, styles, (modifyStart + mergeCount) >> 1, styleCount - (modifyEnd >> 1)); | |
| 152 } | |
| 153 } | |
| 154 if (MERGE_STYLES) { | |
| 155 int j = modifyStart; | |
| 156 for (int i = 0; i < mergeCount; i += 2) { | |
| 157 if (j > 0 && ranges[j - 2] + ranges[j - 1] is mergeRanges[i] && mergeStyles[i >> 1].similarTo(styles[(j - 2) >> 1])) { | |
| 158 ranges[j - 1] += mergeRanges[i + 1]; | |
| 159 } else { | |
| 160 styles[j >> 1] = mergeStyles[i >> 1]; | |
| 161 ranges[j++] = mergeRanges[i]; | |
| 162 ranges[j++] = mergeRanges[i + 1]; | |
| 163 } | |
| 164 } | |
| 165 if (endStyle !is null && ranges[j - 2] + ranges[j - 1] is endStart && endStyle.similarTo(styles[(j - 2) >> 1])) { | |
| 166 ranges[j - 1] += endLength; | |
| 167 modifyEnd += 2; | |
| 168 mergeCount += 2; | |
| 169 } | |
| 170 if (rangeCount > modifyEnd) { | |
| 171 System.arraycopy(ranges, modifyStart + mergeCount, ranges, j, rangeCount - modifyEnd); | |
| 172 System.arraycopy(styles, (modifyStart + mergeCount) >> 1, styles, j >> 1, styleCount - (modifyEnd >> 1)); | |
| 173 } | |
| 174 grow = (j - modifyStart) - (modifyEnd - modifyStart); | |
| 175 } else { | |
| 176 System.arraycopy(mergeRanges, 0, ranges, modifyStart, mergeCount); | |
| 177 System.arraycopy(mergeStyles, 0, styles, modifyStart >> 1, mergeCount >> 1); | |
| 178 } | |
| 179 styleCount += grow >> 1; | |
| 180 return grow; | |
| 181 } | |
| 182 int addMerge(StyleRange[] mergeStyles, int mergeCount, int modifyStart, int modifyEnd) { | |
| 183 int grow = mergeCount - (modifyEnd - modifyStart); | |
| 184 StyleRange endStyle = null; | |
| 185 if (modifyEnd < styleCount) endStyle = styles[modifyEnd]; | |
| 186 if (styleCount + grow >= styles.length) { | |
| 187 StyleRange[] tmpStyles = new StyleRange[styles.length + grow + GROW]; | |
| 188 System.arraycopy(styles, 0, tmpStyles, 0, modifyStart); | |
| 189 if (styleCount > modifyEnd) { | |
| 190 System.arraycopy(styles, modifyEnd, tmpStyles, modifyStart + mergeCount, styleCount - modifyEnd); | |
| 191 } | |
| 192 styles = tmpStyles; | |
| 193 } else { | |
| 194 if (styleCount > modifyEnd) { | |
| 195 System.arraycopy(styles, modifyEnd, styles, modifyStart + mergeCount, styleCount - modifyEnd); | |
| 196 } | |
| 197 } | |
| 198 if (MERGE_STYLES) { | |
| 199 int j = modifyStart; | |
| 200 for (int i = 0; i < mergeCount; i++) { | |
| 201 StyleRange newStyle = mergeStyles[i], style; | |
| 202 if (j > 0 && (style = styles[j - 1]).start + style.length is newStyle.start && newStyle.similarTo(style)) { | |
| 203 style.length += newStyle.length; | |
| 204 } else { | |
| 205 styles[j++] = newStyle; | |
| 206 } | |
| 207 } | |
| 208 StyleRange style = styles[j - 1]; | |
| 209 if (endStyle !is null && style.start + style.length is endStyle.start && endStyle.similarTo(style)) { | |
| 210 style.length += endStyle.length; | |
| 211 modifyEnd++; | |
| 212 mergeCount++; | |
| 213 } | |
| 214 if (styleCount > modifyEnd) { | |
| 215 System.arraycopy(styles, modifyStart + mergeCount, styles, j, styleCount - modifyEnd); | |
| 216 } | |
| 217 grow = (j - modifyStart) - (modifyEnd - modifyStart); | |
| 218 } else { | |
| 219 System.arraycopy(mergeStyles, 0, styles, modifyStart, mergeCount); | |
| 220 } | |
| 221 styleCount += grow; | |
| 222 return grow; | |
| 223 } | |
| 224 void calculate(int startLine, int lineCount) { | |
| 225 int endLine = startLine + lineCount; | |
| 226 if (startLine < 0 || endLine > lineWidth.length) { | |
| 227 return; | |
| 228 } | |
| 229 int hTrim = styledText.leftMargin + styledText.rightMargin + styledText.getCaretWidth(); | |
| 230 for (int i = startLine; i < endLine; i++) { | |
| 231 if (lineWidth[i] is -1 || lineHeight[i] is -1) { | |
| 232 TextLayout layout = getTextLayout(i); | |
| 233 Rectangle rect = layout.getBounds(); | |
| 234 lineWidth[i] = rect.width + hTrim; | |
| 235 lineHeight[i] = rect.height; | |
| 236 disposeTextLayout(layout); | |
| 237 } | |
| 238 if (lineWidth[i] > maxWidth) { | |
| 239 maxWidth = lineWidth[i]; | |
| 240 maxWidthLineIndex = i; | |
| 241 } | |
| 242 } | |
| 243 } | |
| 244 void calculateClientArea () { | |
| 245 int index = styledText.getTopIndex(); | |
| 246 int lineCount = content.getLineCount(); | |
| 247 int height = styledText.getClientArea().height; | |
| 248 int y = 0; | |
| 249 while (height > y && lineCount > index) { | |
| 250 calculate(index, 1); | |
| 251 y += lineHeight[index++]; | |
| 252 } | |
| 253 } | |
| 254 void calculateIdle () { | |
| 255 if (idleRunning) return; | |
| 256 Runnable runnable = new class() Runnable { | |
| 257 public void run() { | |
| 258 if (styledText is null) return; | |
| 259 int i; | |
| 260 long start = System.currentTimeMillis(); | |
| 261 for (i = 0; i < lineCount; i++) { | |
| 262 if (lineHeight[i] is -1 || lineWidth[i] is -1) { | |
| 263 calculate(i, 1); | |
| 264 if (System.currentTimeMillis() - start > IDLE_TIME) break; | |
| 265 } | |
| 266 } | |
| 267 if (i < lineCount) { | |
| 268 Display display = styledText.getDisplay(); | |
| 269 display.asyncExec(this); | |
| 270 } else { | |
| 271 idleRunning = false; | |
| 272 styledText.setScrollBars(true); | |
| 273 ScrollBar bar = styledText.getVerticalBar(); | |
| 274 if (bar !is null) { | |
| 275 bar.setSelection(styledText.getVerticalScrollOffset()); | |
| 276 } | |
| 277 } | |
| 278 } | |
| 279 }; | |
| 280 Display display = styledText.getDisplay(); | |
| 281 display.asyncExec(runnable); | |
| 282 idleRunning = true; | |
| 283 } | |
| 284 void clearLineBackground(int startLine, int count) { | |
| 285 if (lines is null) return; | |
| 286 for (int i = startLine; i < startLine + count; i++) { | |
| 287 LineInfo info = lines[i]; | |
| 288 if (info !is null) { | |
| 289 info.flags &= ~BACKGROUND; | |
| 290 info.background = null; | |
| 291 if (info.flags is 0) lines[i] = null; | |
| 292 } | |
| 293 } | |
| 294 } | |
| 295 void clearLineStyle(int startLine, int count) { | |
| 296 if (lines is null) return; | |
| 297 for (int i = startLine; i < startLine + count; i++) { | |
| 298 LineInfo info = lines[i]; | |
| 299 if (info !is null) { | |
| 300 info.flags &= ~(ALIGNMENT | INDENT | JUSTIFY); | |
| 301 if (info.flags is 0) lines[i] = null; | |
| 302 } | |
| 303 } | |
| 304 } | |
| 305 void copyInto(StyledTextRenderer renderer) { | |
| 306 if (ranges !is null) { | |
| 307 int[] newRanges = renderer.ranges = new int[styleCount << 1]; | |
| 308 System.arraycopy(ranges, 0, newRanges, 0, newRanges.length); | |
| 309 } | |
| 310 if (styles !is null) { | |
| 311 StyleRange[] newStyles = renderer.styles = new StyleRange[styleCount]; | |
| 312 for (int i = 0; i < newStyles.length; i++) { | |
| 313 newStyles[i] = cast(StyleRange)styles[i].clone(); | |
| 314 } | |
| 315 renderer.styleCount = styleCount; | |
| 316 } | |
| 317 if (lines !is null) { | |
| 318 LineInfo[] newLines = renderer.lines = new LineInfo[lineCount]; | |
| 319 for (int i = 0; i < newLines.length; i++) { | |
| 320 newLines[i] = new LineInfo(lines[i]); | |
| 321 } | |
| 322 renderer.lineCount = lineCount; | |
| 323 } | |
| 324 } | |
| 325 void dispose() { | |
| 326 if (boldFont !is null) boldFont.dispose(); | |
| 327 if (italicFont !is null) italicFont.dispose(); | |
| 328 if (boldItalicFont !is null) boldItalicFont.dispose(); | |
| 329 boldFont = italicFont = boldItalicFont = null; | |
| 330 reset(); | |
| 331 content = null; | |
| 332 device = null; | |
| 333 styledText = null; | |
| 334 } | |
| 335 void disposeTextLayout (TextLayout layout) { | |
| 336 if (layouts !is null) { | |
| 337 for (int i = 0; i < layouts.length; i++) { | |
| 338 if (layouts[i] is layout) return; | |
| 339 } | |
| 340 } | |
| 341 layout.dispose(); | |
| 342 } | |
| 343 void drawBullet(Bullet bullet, GC gc, int paintX, int paintY, int index, int lineAscent, int lineDescent) { | |
| 344 StyleRange style = bullet.style; | |
| 345 GlyphMetrics metrics = style.metrics; | |
| 346 Color color = style.foreground; | |
| 347 if (color !is null) gc.setForeground(color); | |
| 348 if ((bullet.type & ST.BULLET_DOT) !is 0 && StyledText.IS_MOTIF) { | |
| 349 int size = Math.max(4, (lineAscent + lineDescent) / 4); | |
| 350 if ((size & 1) is 0) size++; | |
| 351 if (color is null) { | |
| 352 Display display = styledText.getDisplay(); | |
| 353 color = display.getSystemColor(DWT.COLOR_BLACK); | |
| 354 } | |
| 355 gc.setBackground(color); | |
| 356 int x = paintX + Math.max(0, metrics.width - size - BULLET_MARGIN); | |
| 357 gc.fillArc(x, paintY + size, size + 1, size + 1, 0, 360); | |
| 358 return; | |
| 359 } | |
| 360 Font font = style.font; | |
| 361 if (font !is null) gc.setFont(font); | |
|
212
ab60f3309436
reverted the char[] to String and use the an alias.
Frank Benoit <benoit@tionex.de>
parents:
155
diff
changeset
|
362 String string = ""; |
| 155 | 363 int type = bullet.type & (ST.BULLET_DOT|ST.BULLET_NUMBER|ST.BULLET_LETTER_LOWER|ST.BULLET_LETTER_UPPER); |
| 364 switch (type) { | |
| 365 case ST.BULLET_DOT: string = "\u2022"; break; | |
|
212
ab60f3309436
reverted the char[] to String and use the an alias.
Frank Benoit <benoit@tionex.de>
parents:
155
diff
changeset
|
366 case ST.BULLET_NUMBER: string = to!(String)(index); break; |
| 155 | 367 case ST.BULLET_LETTER_LOWER: string = [cast(char) (index % 26 + 97)]; break; |
| 368 case ST.BULLET_LETTER_UPPER: string = [cast(char) (index % 26 + 65)]; break; | |
| 369 default: | |
| 370 } | |
| 371 if ((bullet.type & ST.BULLET_TEXT) !is 0) string ~= bullet.text; | |
| 372 Display display = styledText.getDisplay(); | |
| 373 TextLayout layout = new TextLayout(display); | |
| 374 layout.setText(string); | |
| 375 layout.setAscent(lineAscent); | |
| 376 layout.setDescent(lineDescent); | |
| 377 style = cast(StyleRange)style.clone(); | |
| 378 style.metrics = null; | |
| 379 if (style.font is null) style.font = getFont(style.fontStyle); | |
| 380 layout.setStyle(style, 0, string.length); | |
| 381 int x = paintX + Math.max(0, metrics.width - layout.getBounds().width - BULLET_MARGIN); | |
| 382 layout.draw(gc, x, paintY); | |
| 383 layout.dispose(); | |
| 384 } | |
| 385 int drawLine(int lineIndex, int paintX, int paintY, GC gc, Color widgetBackground, Color widgetForeground) { | |
| 386 TextLayout layout = getTextLayout(lineIndex); | |
|
212
ab60f3309436
reverted the char[] to String and use the an alias.
Frank Benoit <benoit@tionex.de>
parents:
155
diff
changeset
|
387 String line = content.getLine(lineIndex); |
| 155 | 388 int lineOffset = content.getOffsetAtLine(lineIndex); |
| 389 int lineLength = line.length; | |
| 390 Point selection = styledText.getSelection(); | |
| 391 int selectionStart = selection.x - lineOffset; | |
| 392 int selectionEnd = selection.y - lineOffset; | |
| 393 Rectangle client = styledText.getClientArea(); | |
| 394 Color lineBackground = getLineBackground(lineIndex, widgetBackground); | |
| 395 StyledTextEvent event = styledText.getLineBackgroundData(lineOffset, line); | |
| 396 if (event !is null && event.lineBackground !is null) lineBackground = event.lineBackground; | |
| 397 | |
| 398 int height = layout.getBounds().height; | |
| 399 gc.setBackground(lineBackground); | |
| 400 styledText.drawBackground(gc, client.x, paintY, client.width, height); | |
| 401 | |
| 402 gc.setForeground(widgetForeground); | |
| 403 gc.setBackground(lineBackground); | |
| 404 if (selectionStart is selectionEnd || (selectionEnd <= 0 && selectionStart > lineLength - 1)) { | |
| 405 layout.draw(gc, paintX, paintY); | |
| 406 } else { | |
| 407 int start = Math.max(0, selectionStart); | |
| 408 int end = Math.min(lineLength, selectionEnd); | |
| 409 Color selectionFg = styledText.getSelectionForeground(); | |
| 410 Color selectionBg = styledText.getSelectionBackground(); | |
| 411 int flags; | |
| 412 if ((styledText.getStyle() & DWT.FULL_SELECTION) !is 0) { | |
| 413 flags = DWT.FULL_SELECTION; | |
| 414 } else { | |
| 415 flags = DWT.DELIMITER_SELECTION; | |
| 416 } | |
| 417 if (selectionStart <= lineLength && lineLength < selectionEnd ) { | |
| 418 flags |= DWT.LAST_LINE_SELECTION; | |
| 419 } | |
| 420 layout.draw(gc, paintX, paintY, start, end - 1, selectionFg, selectionBg, flags); | |
| 421 } | |
| 422 | |
| 423 // draw objects | |
| 424 Bullet bullet = null; | |
| 425 int bulletIndex = -1; | |
| 426 if (bullets !is null) { | |
| 427 if (bulletsIndices !is null) { | |
| 428 int index = lineIndex - topIndex; | |
| 429 if (0 <= index && index < CACHE_SIZE) { | |
| 430 bullet = bullets[index]; | |
| 431 bulletIndex = bulletsIndices[index]; | |
| 432 } | |
| 433 } else { | |
| 434 for (int i = 0; i < bullets.length; i++) { | |
| 435 bullet = bullets[i]; | |
| 436 bulletIndex = bullet.indexOf(lineIndex); | |
| 437 if (bulletIndex !is -1) break; | |
| 438 } | |
| 439 } | |
| 440 } | |
| 441 if (bulletIndex !is -1 && bullet !is null) { | |
| 442 FontMetrics metrics = layout.getLineMetrics(0); | |
| 443 int lineAscent = metrics.getAscent() + metrics.getLeading(); | |
| 444 if (bullet.type is ST.BULLET_CUSTOM) { | |
| 445 bullet.style.start = lineOffset; | |
| 446 styledText.paintObject(gc, paintX, paintY, lineAscent, metrics.getDescent(), bullet.style, bullet, bulletIndex); | |
| 447 } else { | |
| 448 drawBullet(bullet, gc, paintX, paintY, bulletIndex, lineAscent, metrics.getDescent()); | |
| 449 } | |
| 450 } | |
| 451 TextStyle[] styles = layout.getStyles(); | |
| 452 int[] ranges = null; | |
| 453 for (int i = 0; i < styles.length; i++) { | |
| 454 if (styles[i].metrics !is null) { | |
| 455 if (ranges is null) ranges = layout.getRanges(); | |
| 456 int start = ranges[i << 1]; | |
| 457 int length = ranges[(i << 1) + 1] - start; | |
| 458 Point point = layout.getLocation(start, false); | |
| 459 FontMetrics metrics = layout.getLineMetrics(layout.getLineIndex(start)); | |
| 460 StyleRange style = cast(StyleRange)(cast(StyleRange)styles[i]).clone(); | |
| 461 style.start = start + lineOffset; | |
| 462 style.length = length; | |
| 463 int lineAscent = metrics.getAscent() + metrics.getLeading(); | |
| 464 styledText.paintObject(gc, point.x + paintX, point.y + paintY, lineAscent, metrics.getDescent(), style, null, 0); | |
| 465 } | |
| 466 } | |
| 467 disposeTextLayout(layout); | |
| 468 return height; | |
| 469 } | |
| 470 int getBaseline() { | |
| 471 return ascent; | |
| 472 } | |
| 473 Font getFont(int style) { | |
| 474 switch (style) { | |
| 475 case DWT.BOLD: | |
| 476 if (boldFont !is null) return boldFont; | |
| 477 return boldFont = new Font(device, getFontData(style)); | |
| 478 case DWT.ITALIC: | |
| 479 if (italicFont !is null) return italicFont; | |
| 480 return italicFont = new Font(device, getFontData(style)); | |
| 481 case DWT.BOLD | DWT.ITALIC: | |
| 482 if (boldItalicFont !is null) return boldItalicFont; | |
| 483 return boldItalicFont = new Font(device, getFontData(style)); | |
| 484 default: | |
| 485 return regularFont; | |
| 486 } | |
| 487 } | |
| 488 FontData[] getFontData(int style) { | |
| 489 FontData[] fontDatas = regularFont.getFontData(); | |
| 490 for (int i = 0; i < fontDatas.length; i++) { | |
| 491 fontDatas[i].setStyle(style); | |
| 492 } | |
| 493 return fontDatas; | |
| 494 } | |
| 495 int getHeight () { | |
| 496 int defaultLineHeight = getLineHeight(); | |
| 497 if (styledText.isFixedLineHeight()) { | |
| 498 return lineCount * defaultLineHeight; | |
| 499 } | |
| 500 int totalHeight = 0; | |
| 501 int width = styledText.getWrapWidth(); | |
| 502 for (int i = 0; i < lineCount; i++) { | |
| 503 int height = lineHeight[i]; | |
| 504 if (height is -1) { | |
| 505 if (width > 0) { | |
| 506 int length = content.getLine(i).length; | |
| 507 height = ((length * averageCharWidth / width) + 1) * defaultLineHeight; | |
| 508 } else { | |
| 509 height = defaultLineHeight; | |
| 510 } | |
| 511 } | |
| 512 totalHeight += height; | |
| 513 } | |
| 514 return totalHeight + styledText.topMargin + styledText.bottomMargin; | |
| 515 } | |
| 516 int getLineAlignment(int index, int defaultAlignment) { | |
| 517 if (lines is null) return defaultAlignment; | |
| 518 LineInfo info = lines[index]; | |
| 519 if (info !is null && (info.flags & ALIGNMENT) !is 0) { | |
| 520 return info.alignment; | |
| 521 } | |
| 522 return defaultAlignment; | |
| 523 } | |
| 524 Color getLineBackground(int index, Color defaultBackground) { | |
| 525 if (lines is null) return defaultBackground; | |
| 526 LineInfo info = lines[index]; | |
| 527 if (info !is null && (info.flags & BACKGROUND) !is 0) { | |
| 528 return info.background; | |
| 529 } | |
| 530 return defaultBackground; | |
| 531 } | |
| 532 Bullet getLineBullet (int index, Bullet defaultBullet) { | |
| 533 if (bullets is null) return defaultBullet; | |
| 534 if (bulletsIndices !is null) return defaultBullet; | |
| 535 for (int i = 0; i < bullets.length; i++) { | |
| 536 Bullet bullet = bullets[i]; | |
| 537 if (bullet.indexOf(index) !is -1) return bullet; | |
| 538 } | |
| 539 return defaultBullet; | |
| 540 } | |
| 541 int getLineHeight() { | |
| 542 return ascent + descent; | |
| 543 } | |
| 544 int getLineHeight(int lineIndex) { | |
| 545 if (lineHeight[lineIndex] is -1) { | |
| 546 calculate(lineIndex, 1); | |
| 547 } | |
| 548 return lineHeight[lineIndex]; | |
| 549 } | |
| 550 int getLineIndent(int index, int defaultIndent) { | |
| 551 if (lines is null) return defaultIndent; | |
| 552 LineInfo info = lines[index]; | |
| 553 if (info !is null && (info.flags & INDENT) !is 0) { | |
| 554 return info.indent; | |
| 555 } | |
| 556 return defaultIndent; | |
| 557 } | |
| 558 bool getLineJustify(int index, bool defaultJustify) { | |
| 559 if (lines is null) return defaultJustify; | |
| 560 LineInfo info = lines[index]; | |
| 561 if (info !is null && (info.flags & JUSTIFY) !is 0) { | |
| 562 return info.justify; | |
| 563 } | |
| 564 return defaultJustify; | |
| 565 } | |
| 566 int[] getLineSegments(int index, int[] defaultSegments) { | |
| 567 if (lines is null) return defaultSegments; | |
| 568 LineInfo info = lines[index]; | |
| 569 if (info !is null && (info.flags & SEGMENTS) !is 0) { | |
| 570 return info.segments; | |
| 571 } | |
| 572 return defaultSegments; | |
| 573 } | |
| 574 int getRangeIndex(int offset, int low, int high) { | |
| 575 if (styleCount is 0) return 0; | |
| 576 if (ranges !is null) { | |
| 577 while (high - low > 2) { | |
| 578 int index = ((high + low) / 2) / 2 * 2; | |
| 579 int end = ranges[index] + ranges[index + 1]; | |
| 580 if (end > offset) { | |
| 581 high = index; | |
| 582 } else { | |
| 583 low = index; | |
| 584 } | |
| 585 } | |
| 586 } else { | |
| 587 while (high - low > 1) { | |
| 588 int index = ((high + low) / 2); | |
| 589 int end = styles[index].start + styles[index].length; | |
| 590 if (end > offset) { | |
| 591 high = index; | |
| 592 } else { | |
| 593 low = index; | |
| 594 } | |
| 595 } | |
| 596 } | |
| 597 return high; | |
| 598 } | |
| 599 int[] getRanges(int start, int length) { | |
| 600 int[] newRanges; | |
| 601 int end = start + length - 1; | |
| 602 if (ranges !is null) { | |
| 603 int rangeCount = styleCount << 1; | |
| 604 int rangeStart = getRangeIndex(start, -1, rangeCount); | |
| 605 if (rangeStart >= rangeCount) return null; | |
| 606 if (ranges[rangeStart] > end) return null; | |
| 607 int rangeEnd = Math.min(rangeCount - 2, getRangeIndex(end, rangeStart - 1, rangeCount) + 1); | |
| 608 newRanges = new int[rangeEnd - rangeStart + 2]; | |
| 609 System.arraycopy(ranges, rangeStart, newRanges, 0, newRanges.length); | |
| 610 } else { | |
| 611 int rangeStart = getRangeIndex(start, -1, styleCount); | |
| 612 if (rangeStart >= styleCount) return null; | |
| 613 if (styles[rangeStart].start > end) return null; | |
| 614 int rangeEnd = Math.min(styleCount - 1, getRangeIndex(end, rangeStart - 1, styleCount)); | |
| 615 newRanges = new int[(rangeEnd - rangeStart + 1) << 1]; | |
| 616 for (int i = rangeStart, j = 0; i <= rangeEnd; i++, j += 2) { | |
| 617 StyleRange style = styles[i]; | |
| 618 newRanges[j] = style.start; | |
| 619 newRanges[j + 1] = style.length; | |
| 620 } | |
| 621 } | |
| 622 if (start > newRanges[0]) { | |
| 623 newRanges[1] = newRanges[0] + newRanges[1] - start; | |
| 624 newRanges[0] = start; | |
| 625 } | |
| 626 if (end < newRanges[newRanges.length - 2] + newRanges[newRanges.length - 1] - 1) { | |
| 627 newRanges[newRanges.length - 1] = end - newRanges[newRanges.length - 2] + 1; | |
| 628 } | |
| 629 return newRanges; | |
| 630 } | |
| 631 StyleRange[] getStyleRanges(int start, int length, bool includeRanges) { | |
| 632 StyleRange[] newStyles; | |
| 633 int end = start + length - 1; | |
| 634 if (ranges !is null) { | |
| 635 int rangeCount = styleCount << 1; | |
| 636 int rangeStart = getRangeIndex(start, -1, rangeCount); | |
| 637 if (rangeStart >= rangeCount) return null; | |
| 638 if (ranges[rangeStart] > end) return null; | |
| 639 int rangeEnd = Math.min(rangeCount - 2, getRangeIndex(end, rangeStart - 1, rangeCount) + 1); | |
| 640 newStyles = new StyleRange[((rangeEnd - rangeStart) >> 1) + 1]; | |
| 641 if (includeRanges) { | |
| 642 for (int i = rangeStart, j = 0; i <= rangeEnd; i += 2, j++) { | |
| 643 newStyles[j] = cast(StyleRange)styles[i >> 1].clone(); | |
| 644 newStyles[j].start = ranges[i]; | |
| 645 newStyles[j].length = ranges[i + 1]; | |
| 646 } | |
| 647 } else { | |
| 648 System.arraycopy(styles, rangeStart >> 1, newStyles, 0, newStyles.length); | |
| 649 } | |
| 650 } else { | |
| 651 int rangeStart = getRangeIndex(start, -1, styleCount); | |
| 652 if (rangeStart >= styleCount) return null; | |
| 653 if (styles[rangeStart].start > end) return null; | |
| 654 int rangeEnd = Math.min(styleCount - 1, getRangeIndex(end, rangeStart - 1, styleCount)); | |
| 655 newStyles = new StyleRange[rangeEnd - rangeStart + 1]; | |
| 656 System.arraycopy(styles, rangeStart, newStyles, 0, newStyles.length); | |
| 657 } | |
| 658 StyleRange style = newStyles[0]; | |
| 659 if (start > style.start) { | |
| 660 if (!includeRanges || ranges is null) newStyles[0] = style = cast(StyleRange)style.clone(); | |
| 661 style.length = style.start + style.length - start; | |
| 662 style.start = start; | |
| 663 } | |
| 664 style = newStyles[newStyles.length - 1]; | |
| 665 if (end < style.start + style.length - 1) { | |
| 666 if (!includeRanges || ranges is null) newStyles[newStyles.length - 1] = style = cast(StyleRange)style.clone(); | |
| 667 style.length = end - style.start + 1; | |
| 668 } | |
| 669 return newStyles; | |
| 670 } | |
| 671 StyleRange getStyleRange(StyleRange style) { | |
| 672 if (style.start is 0 && style.length is 0 && style.fontStyle is DWT.NORMAL) return style; | |
| 673 StyleRange clone = cast(StyleRange)style.clone(); | |
| 674 clone.start = clone.length = 0; | |
| 675 clone.fontStyle = DWT.NORMAL; | |
| 676 if (clone.font is null) clone.font = getFont(style.fontStyle); | |
| 677 return clone; | |
| 678 } | |
| 679 TextLayout getTextLayout(int lineIndex) { | |
| 680 return getTextLayout(lineIndex, styledText.getOrientation(), styledText.getWrapWidth(), styledText.lineSpacing); | |
| 681 } | |
| 682 TextLayout getTextLayout(int lineIndex, int orientation, int width, int lineSpacing) { | |
| 683 TextLayout layout = null; | |
| 684 if (styledText !is null) { | |
| 685 int topIndex = styledText.topIndex > 0 ? styledText.topIndex - 1 : 0; | |
| 686 if (layouts is null || topIndex !is this.topIndex) { | |
| 687 TextLayout[] newLayouts = new TextLayout[CACHE_SIZE]; | |
| 688 if (layouts !is null) { | |
| 689 for (int i = 0; i < layouts.length; i++) { | |
| 690 if (layouts[i] !is null) { | |
| 691 int layoutIndex = (i + this.topIndex) - topIndex; | |
| 692 if (0 <= layoutIndex && layoutIndex < newLayouts.length) { | |
| 693 newLayouts[layoutIndex] = layouts[i]; | |
| 694 } else { | |
| 695 layouts[i].dispose(); | |
| 696 } | |
| 697 } | |
| 698 } | |
| 699 } | |
| 700 if (bullets !is null && bulletsIndices !is null && topIndex !is this.topIndex) { | |
| 701 int delta = topIndex - this.topIndex; | |
| 702 if (delta > 0) { | |
| 703 if (delta < bullets.length) { | |
| 704 System.arraycopy(bullets, delta, bullets, 0, bullets.length - delta); | |
| 705 System.arraycopy(bulletsIndices, delta, bulletsIndices, 0, bulletsIndices.length - delta); | |
| 706 } | |
| 707 int startIndex = Math.max(0, bullets.length - delta); | |
| 708 for (int i = startIndex; i < bullets.length; i++) bullets[i] = null; | |
| 709 } else { | |
| 710 if (-delta < bullets.length) { | |
| 711 System.arraycopy(bullets, 0, bullets, -delta, bullets.length + delta); | |
| 712 System.arraycopy(bulletsIndices, 0, bulletsIndices, -delta, bulletsIndices.length + delta); | |
| 713 } | |
| 714 int endIndex = Math.min(bullets.length, -delta); | |
| 715 for (int i = 0; i < endIndex; i++) bullets[i] = null; | |
| 716 } | |
| 717 } | |
| 718 this.topIndex = topIndex; | |
| 719 layouts = newLayouts; | |
| 720 } | |
| 721 if (layouts !is null) { | |
| 722 int layoutIndex = lineIndex - topIndex; | |
| 723 if (0 <= layoutIndex && layoutIndex < layouts.length) { | |
| 724 layout = layouts[layoutIndex]; | |
| 725 if (layout !is null) { | |
| 726 if (lineWidth[lineIndex] !is -1) return layout; | |
| 727 } else { | |
| 728 layout = layouts[layoutIndex] = new TextLayout(device); | |
| 729 } | |
| 730 } | |
| 731 } | |
| 732 } | |
| 733 if (layout is null) layout = new TextLayout(device); | |
|
212
ab60f3309436
reverted the char[] to String and use the an alias.
Frank Benoit <benoit@tionex.de>
parents:
155
diff
changeset
|
734 String line = content.getLine(lineIndex); |
| 155 | 735 int lineOffset = content.getOffsetAtLine(lineIndex); |
| 736 int[] segments = null; | |
| 737 int indent = 0; | |
| 738 int alignment = DWT.LEFT; | |
| 739 bool justify = false; | |
| 740 Bullet bullet = null; | |
| 741 int[] ranges = null; | |
| 742 StyleRange[] styles = null; | |
| 743 int rangeStart = 0, styleCount = 0; | |
| 744 StyledTextEvent event = null; | |
| 745 if (styledText !is null) { | |
| 746 event = styledText.getLineStyleData(lineOffset, line); | |
| 747 segments = styledText.getBidiSegments(lineOffset, line); | |
| 748 indent = styledText.indent; | |
| 749 alignment = styledText.alignment; | |
| 750 justify = styledText.justify; | |
| 751 } | |
| 752 if (event !is null) { | |
| 753 indent = event.indent; | |
| 754 alignment = event.alignment; | |
| 755 justify = event.justify; | |
| 756 bullet = event.bullet; | |
| 757 ranges = event.ranges; | |
| 758 styles = event.styles; | |
| 759 if (styles !is null) { | |
| 760 styleCount = styles.length; | |
| 761 if (styledText.isFixedLineHeight()) { | |
| 762 for (int i = 0; i < styleCount; i++) { | |
| 763 if (styles[i].isVariableHeight()) { | |
| 764 styledText.verticalScrollOffset = -1; | |
| 765 styledText.setVariableLineHeight(); | |
| 766 styledText.redraw(); | |
| 767 break; | |
| 768 } | |
| 769 } | |
| 770 } | |
| 771 } | |
| 772 if (bullets is null || bulletsIndices is null) { | |
| 773 bullets = new Bullet[CACHE_SIZE]; | |
| 774 bulletsIndices = new int[CACHE_SIZE]; | |
| 775 } | |
| 776 int index = lineIndex - topIndex; | |
| 777 if (0 <= index && index < CACHE_SIZE) { | |
| 778 bullets[index] = bullet; | |
| 779 bulletsIndices[index] = event.bulletIndex; | |
| 780 } | |
| 781 } else { | |
| 782 if (lines !is null) { | |
| 783 LineInfo info = lines[lineIndex]; | |
| 784 if (info !is null) { | |
| 785 if ((info.flags & INDENT) !is 0) indent = info.indent; | |
| 786 if ((info.flags & ALIGNMENT) !is 0) alignment = info.alignment; | |
| 787 if ((info.flags & JUSTIFY) !is 0) justify = info.justify; | |
| 788 if ((info.flags & SEGMENTS) !is 0) segments = info.segments; | |
| 789 } | |
| 790 } | |
| 791 if (bulletsIndices !is null) { | |
| 792 bullets = null; | |
| 793 bulletsIndices = null; | |
| 794 } | |
| 795 if (bullets !is null) { | |
| 796 for (int i = 0; i < bullets.length; i++) { | |
| 797 if (bullets[i].indexOf(lineIndex) !is -1) { | |
| 798 bullet = bullets[i]; | |
| 799 break; | |
| 800 } | |
| 801 } | |
| 802 } | |
| 803 ranges = this.ranges; | |
| 804 styles = this.styles; | |
| 805 styleCount = this.styleCount; | |
| 806 if (ranges !is null) { | |
| 807 rangeStart = getRangeIndex(lineOffset, -1, styleCount << 1); | |
| 808 } else { | |
| 809 rangeStart = getRangeIndex(lineOffset, -1, styleCount); | |
| 810 } | |
| 811 } | |
| 812 if (bullet !is null) { | |
| 813 StyleRange style = bullet.style; | |
| 814 GlyphMetrics metrics = style.metrics; | |
| 815 indent += metrics.width; | |
| 816 } | |
| 817 layout.setFont(regularFont); | |
| 818 layout.setAscent(ascent); | |
| 819 layout.setDescent(descent); | |
| 820 layout.setText(line); | |
| 821 layout.setOrientation(orientation); | |
| 822 layout.setSegments(segments); | |
| 823 layout.setWidth(width); | |
| 824 layout.setSpacing(lineSpacing); | |
| 825 layout.setTabs([tabWidth]); | |
| 826 layout.setIndent(indent); | |
| 827 layout.setAlignment(alignment); | |
| 828 layout.setJustify(justify); | |
| 829 | |
| 830 int lastOffset = 0; | |
| 831 int length = line.length; | |
| 832 if (styles !is null) { | |
| 833 if (ranges !is null) { | |
| 834 int rangeCount = styleCount << 1; | |
| 835 for (int i = rangeStart; i < rangeCount; i += 2) { | |
| 836 int start, end; | |
| 837 if (lineOffset > ranges[i]) { | |
| 838 start = 0; | |
| 839 end = Math.min (length, ranges[i + 1] - lineOffset + ranges[i]); | |
| 840 } else { | |
| 841 start = ranges[i] - lineOffset; | |
| 842 end = Math.min(length, start + ranges[i + 1]); | |
| 843 } | |
| 844 if (start >= length) break; | |
| 845 if (lastOffset < start) { | |
| 846 layout.setStyle(null, lastOffset, start - 1); | |
| 847 } | |
| 848 layout.setStyle(getStyleRange(styles[i >> 1]), start, end); | |
| 849 lastOffset = Math.max(lastOffset, end); | |
| 850 } | |
| 851 } else { | |
| 852 for (int i = rangeStart; i < styleCount; i++) { | |
| 853 int start, end; | |
| 854 if (lineOffset > styles[i].start) { | |
| 855 start = 0; | |
| 856 end = Math.min (length, styles[i].length - lineOffset + styles[i].start); | |
| 857 } else { | |
| 858 start = styles[i].start - lineOffset; | |
| 859 end = Math.min(length, start + styles[i].length); | |
| 860 } | |
| 861 if (start >= length) break; | |
| 862 if (lastOffset < start) { | |
| 863 layout.setStyle(null, lastOffset, start - 1); | |
| 864 } | |
| 865 layout.setStyle(getStyleRange(styles[i]), start, end); | |
| 866 lastOffset = Math.max(lastOffset, end); | |
| 867 } | |
| 868 } | |
| 869 } | |
| 870 if (lastOffset < length) layout.setStyle(null, lastOffset, length); | |
| 871 if (styledText !is null && styledText.isFixedLineHeight()) { | |
| 872 int index = -1; | |
| 873 int lineCount = layout.getLineCount(); | |
| 874 int height = getLineHeight(); | |
| 875 for (int i = 0; i < lineCount; i++) { | |
| 876 int lineHeight = layout.getLineBounds(i).height; | |
| 877 if (lineHeight > height) { | |
| 878 height = lineHeight; | |
| 879 index = i; | |
| 880 } | |
| 881 } | |
| 882 if (index !is -1) { | |
| 883 FontMetrics metrics = layout.getLineMetrics(index); | |
| 884 ascent = metrics.getAscent() + metrics.getLeading(); | |
| 885 descent = metrics.getDescent(); | |
| 886 if (layouts !is null) { | |
| 887 for (int i = 0; i < layouts.length; i++) { | |
| 888 if (layouts[i] !is null && layouts[i] !is layout) { | |
| 889 layouts[i].setAscent(ascent); | |
| 890 layouts[i].setDescent(descent); | |
| 891 } | |
| 892 } | |
| 893 } | |
| 894 if (styledText.verticalScrollOffset !is 0) { | |
| 895 int topIndex = styledText.topIndex; | |
| 896 int topIndexY = styledText.topIndexY; | |
| 897 int lineHeight = getLineHeight(); | |
| 898 if (topIndexY >= 0) { | |
| 899 styledText.verticalScrollOffset = (topIndex - 1) * lineHeight + lineHeight - topIndexY; | |
| 900 } else { | |
| 901 styledText.verticalScrollOffset = topIndex * lineHeight - topIndexY; | |
| 902 } | |
| 903 } | |
| 904 styledText.calculateScrollBars(); | |
| 905 if (styledText.isBidiCaret()) styledText.createCaretBitmaps(); | |
| 906 styledText.caretDirection = DWT.NULL; | |
| 907 styledText.setCaretLocation(); | |
| 908 styledText.redraw(); | |
| 909 } | |
| 910 } | |
| 911 return layout; | |
| 912 } | |
| 913 int getWidth() { | |
| 914 return maxWidth; | |
| 915 } | |
| 916 void reset() { | |
| 917 if (layouts !is null) { | |
| 918 for (int i = 0; i < layouts.length; i++) { | |
| 919 TextLayout layout = layouts[i]; | |
| 920 if (layout !is null) layout.dispose(); | |
| 921 } | |
| 922 layouts = null; | |
| 923 } | |
| 924 topIndex = -1; | |
| 925 stylesSetCount = styleCount = lineCount = 0; | |
| 926 ranges = null; | |
| 927 styles = null; | |
| 928 stylesSet = null; | |
| 929 lines = null; | |
| 930 lineWidth = null; | |
| 931 lineHeight = null; | |
| 932 bullets = null; | |
| 933 bulletsIndices = null; | |
| 934 redrawLines = null; | |
| 935 } | |
| 936 void reset(int startLine, int lineCount) { | |
| 937 int endLine = startLine + lineCount; | |
| 938 if (startLine < 0 || endLine > lineWidth.length) return; | |
| 939 for (int i = startLine; i < endLine; i++) { | |
| 940 lineWidth[i] = -1; | |
| 941 lineHeight[i] = -1; | |
| 942 } | |
| 943 if (startLine <= maxWidthLineIndex && maxWidthLineIndex < endLine) { | |
| 944 maxWidth = 0; | |
| 945 maxWidthLineIndex = -1; | |
| 946 if (lineCount !is this.lineCount) { | |
| 947 for (int i = 0; i < this.lineCount; i++) { | |
| 948 if (lineWidth[i] > maxWidth) { | |
| 949 maxWidth = lineWidth[i]; | |
| 950 maxWidthLineIndex = i; | |
| 951 } | |
| 952 } | |
| 953 } | |
| 954 } | |
| 955 } | |
| 956 void setContent(StyledTextContent content) { | |
| 957 reset(); | |
| 958 this.content = content; | |
| 959 lineCount = content.getLineCount(); | |
| 960 lineWidth = new int[lineCount]; | |
| 961 lineHeight = new int[lineCount]; | |
| 962 reset(0, lineCount); | |
| 963 } | |
| 964 void setFont(Font font, int tabs) { | |
| 965 TextLayout layout = new TextLayout(device); | |
| 966 layout.setFont(regularFont); | |
| 967 if (font !is null) { | |
| 968 if (boldFont !is null) boldFont.dispose(); | |
| 969 if (italicFont !is null) italicFont.dispose(); | |
| 970 if (boldItalicFont !is null) boldItalicFont.dispose(); | |
| 971 boldFont = italicFont = boldItalicFont = null; | |
| 972 regularFont = font; | |
| 973 layout.setText(" "); | |
| 974 layout.setFont(font); | |
| 975 layout.setStyle(new TextStyle(getFont(DWT.NORMAL), null, null), 0, 0); | |
| 976 layout.setStyle(new TextStyle(getFont(DWT.BOLD), null, null), 1, 1); | |
| 977 layout.setStyle(new TextStyle(getFont(DWT.ITALIC), null, null), 2, 2); | |
| 978 layout.setStyle(new TextStyle(getFont(DWT.BOLD | DWT.ITALIC), null, null), 3, 3); | |
| 979 FontMetrics metrics = layout.getLineMetrics(0); | |
| 980 ascent = metrics.getAscent() + metrics.getLeading(); | |
| 981 descent = metrics.getDescent(); | |
| 982 boldFont.dispose(); | |
| 983 italicFont.dispose(); | |
| 984 boldItalicFont.dispose(); | |
| 985 boldFont = italicFont = boldItalicFont = null; | |
| 986 } | |
| 987 layout.dispose(); | |
| 988 layout = new TextLayout(device); | |
| 989 layout.setFont(regularFont); | |
| 990 StringBuffer tabBuffer = new StringBuffer(tabs); | |
| 991 for (int i = 0; i < tabs; i++) { | |
| 992 tabBuffer.append(' '); | |
| 993 } | |
| 994 layout.setText(tabBuffer.toString()); | |
| 995 tabWidth = layout.getBounds().width; | |
| 996 layout.dispose(); | |
| 997 if (styledText !is null) { | |
| 998 GC gc = new GC(styledText); | |
| 999 averageCharWidth = gc.getFontMetrics().getAverageCharWidth(); | |
| 1000 gc.dispose(); | |
| 1001 } | |
| 1002 } | |
| 1003 void setLineAlignment(int startLine, int count, int alignment) { | |
| 1004 if (lines is null) lines = new LineInfo[lineCount]; | |
| 1005 for (int i = startLine; i < startLine + count; i++) { | |
| 1006 if (lines[i] is null) { | |
| 1007 lines[i] = new LineInfo(); | |
| 1008 } | |
| 1009 lines[i].flags |= ALIGNMENT; | |
| 1010 lines[i].alignment = alignment; | |
| 1011 } | |
| 1012 } | |
| 1013 void setLineBackground(int startLine, int count, Color background) { | |
| 1014 if (lines is null) lines = new LineInfo[lineCount]; | |
| 1015 for (int i = startLine; i < startLine + count; i++) { | |
| 1016 if (lines[i] is null) { | |
| 1017 lines[i] = new LineInfo(); | |
| 1018 } | |
| 1019 lines[i].flags |= BACKGROUND; | |
| 1020 lines[i].background = background; | |
| 1021 } | |
| 1022 } | |
| 1023 void setLineBullet(int startLine, int count, Bullet bullet) { | |
| 1024 if (bulletsIndices !is null) { | |
| 1025 bulletsIndices = null; | |
| 1026 bullets = null; | |
| 1027 } | |
| 1028 if (bullets is null) { | |
| 1029 if (bullet is null) return; | |
| 1030 bullets = new Bullet[1]; | |
| 1031 bullets[0] = bullet; | |
| 1032 } | |
| 1033 int index = 0; | |
| 1034 while (index < bullets.length) { | |
| 1035 if (bullet is bullets[index]) break; | |
| 1036 index++; | |
| 1037 } | |
| 1038 if (bullet !is null) { | |
| 1039 if (index is bullets.length) { | |
| 1040 Bullet[] newBulletsList = new Bullet[bullets.length + 1]; | |
| 1041 System.arraycopy(bullets, 0, newBulletsList, 0, bullets.length); | |
| 1042 newBulletsList[index] = bullet; | |
| 1043 bullets = newBulletsList; | |
| 1044 } | |
| 1045 bullet.addIndices(startLine, count); | |
| 1046 } else { | |
| 1047 updateBullets(startLine, count, 0, false); | |
| 1048 styledText.redrawLinesBullet(redrawLines); | |
| 1049 redrawLines = null; | |
| 1050 } | |
| 1051 } | |
| 1052 void setLineIndent(int startLine, int count, int indent) { | |
| 1053 if (lines is null) lines = new LineInfo[lineCount]; | |
| 1054 for (int i = startLine; i < startLine + count; i++) { | |
| 1055 if (lines[i] is null) { | |
| 1056 lines[i] = new LineInfo(); | |
| 1057 } | |
| 1058 lines[i].flags |= INDENT; | |
| 1059 lines[i].indent = indent; | |
| 1060 } | |
| 1061 } | |
| 1062 void setLineJustify(int startLine, int count, bool justify) { | |
| 1063 if (lines is null) lines = new LineInfo[lineCount]; | |
| 1064 for (int i = startLine; i < startLine + count; i++) { | |
| 1065 if (lines[i] is null) { | |
| 1066 lines[i] = new LineInfo(); | |
| 1067 } | |
| 1068 lines[i].flags |= JUSTIFY; | |
| 1069 lines[i].justify = justify; | |
| 1070 } | |
| 1071 } | |
| 1072 void setLineSegments(int startLine, int count, int[] segments) { | |
| 1073 if (lines is null) lines = new LineInfo[lineCount]; | |
| 1074 for (int i = startLine; i < startLine + count; i++) { | |
| 1075 if (lines[i] is null) { | |
| 1076 lines[i] = new LineInfo(); | |
| 1077 } | |
| 1078 lines[i].flags |= SEGMENTS; | |
| 1079 lines[i].segments = segments; | |
| 1080 } | |
| 1081 } | |
| 1082 void setStyleRanges (int[] newRanges, StyleRange[] newStyles) { | |
| 1083 if (newStyles is null) { | |
| 1084 stylesSetCount = styleCount = 0; | |
| 1085 ranges = null; | |
| 1086 styles = null; | |
| 1087 stylesSet = null; | |
| 1088 return; | |
| 1089 } | |
| 1090 if (newRanges is null && COMPACT_STYLES) { | |
| 1091 newRanges = new int[newStyles.length << 1]; | |
| 1092 StyleRange[] tmpStyles = new StyleRange[newStyles.length]; | |
| 1093 if (stylesSet is null) stylesSet = new StyleRange[4]; | |
| 1094 for (int i = 0, j = 0; i < newStyles.length; i++) { | |
| 1095 StyleRange newStyle = newStyles[i]; | |
| 1096 newRanges[j++] = newStyle.start; | |
| 1097 newRanges[j++] = newStyle.length; | |
| 1098 int index = 0; | |
| 1099 while (index < stylesSetCount) { | |
| 1100 if (stylesSet[index].similarTo(newStyle)) break; | |
| 1101 index++; | |
| 1102 } | |
| 1103 if (index is stylesSetCount) { | |
| 1104 if (stylesSetCount is stylesSet.length) { | |
| 1105 StyleRange[] tmpStylesSet = new StyleRange[stylesSetCount + 4]; | |
| 1106 System.arraycopy(stylesSet, 0, tmpStylesSet, 0, stylesSetCount); | |
| 1107 stylesSet = tmpStylesSet; | |
| 1108 } | |
| 1109 stylesSet[stylesSetCount++] = newStyle; | |
| 1110 } | |
| 1111 tmpStyles[i] = stylesSet[index]; | |
| 1112 } | |
| 1113 newStyles = tmpStyles; | |
| 1114 } | |
| 1115 | |
| 1116 if (styleCount is 0) { | |
| 1117 if (newRanges !is null) { | |
| 1118 ranges = new int[newRanges.length]; | |
| 1119 System.arraycopy(newRanges, 0, ranges, 0, ranges.length); | |
| 1120 } | |
| 1121 styles = new StyleRange[newStyles.length]; | |
| 1122 System.arraycopy(newStyles, 0, styles, 0, styles.length); | |
| 1123 styleCount = newStyles.length; | |
| 1124 return; | |
| 1125 } | |
| 1126 if (newRanges !is null && ranges is null) { | |
| 1127 ranges = new int[styles.length << 1]; | |
| 1128 for (int i = 0, j = 0; i < styleCount; i++) { | |
| 1129 ranges[j++] = styles[i].start; | |
| 1130 ranges[j++] = styles[i].length; | |
| 1131 } | |
| 1132 } | |
| 1133 if (newRanges is null && ranges !is null) { | |
| 1134 newRanges = new int[newStyles.length << 1]; | |
| 1135 for (int i = 0, j = 0; i < newStyles.length; i++) { | |
| 1136 newRanges[j++] = newStyles[i].start; | |
| 1137 newRanges[j++] = newStyles[i].length; | |
| 1138 } | |
| 1139 } | |
| 1140 if (ranges !is null) { | |
| 1141 int rangeCount = styleCount << 1; | |
| 1142 int start = newRanges[0]; | |
| 1143 int modifyStart = getRangeIndex(start, -1, rangeCount), modifyEnd; | |
| 1144 bool insert = modifyStart is rangeCount; | |
| 1145 if (!insert) { | |
| 1146 int end = newRanges[newRanges.length - 2] + newRanges[newRanges.length - 1]; | |
| 1147 modifyEnd = getRangeIndex(end, modifyStart - 1, rangeCount); | |
| 1148 insert = modifyStart is modifyEnd && ranges[modifyStart] >= end; | |
| 1149 } | |
| 1150 if (insert) { | |
| 1151 addMerge(newRanges, newStyles, newRanges.length, modifyStart, modifyStart); | |
| 1152 return; | |
| 1153 } | |
| 1154 modifyEnd = modifyStart; | |
| 1155 int[] mergeRanges = new int[6]; | |
| 1156 StyleRange[] mergeStyles = new StyleRange[3]; | |
| 1157 for (int i = 0; i < newRanges.length; i += 2) { | |
| 1158 int newStart = newRanges[i]; | |
| 1159 int newEnd = newStart + newRanges[i + 1]; | |
| 1160 if (newStart is newEnd) continue; | |
| 1161 int modifyLast = 0, mergeCount = 0; | |
| 1162 while (modifyEnd < rangeCount) { | |
| 1163 if (newStart >= ranges[modifyStart] + ranges[modifyStart + 1]) modifyStart += 2; | |
| 1164 if (ranges[modifyEnd] + ranges[modifyEnd + 1] > newEnd) break; | |
| 1165 modifyEnd += 2; | |
| 1166 } | |
| 1167 if (ranges[modifyStart] < newStart && newStart < ranges[modifyStart] + ranges[modifyStart + 1]) { | |
| 1168 mergeStyles[mergeCount >> 1] = styles[modifyStart >> 1]; | |
| 1169 mergeRanges[mergeCount] = ranges[modifyStart]; | |
| 1170 mergeRanges[mergeCount + 1] = newStart - ranges[modifyStart]; | |
| 1171 mergeCount += 2; | |
| 1172 } | |
| 1173 mergeStyles[mergeCount >> 1] = newStyles[i >> 1]; | |
| 1174 mergeRanges[mergeCount] = newStart; | |
| 1175 mergeRanges[mergeCount + 1] = newRanges[i + 1]; | |
| 1176 mergeCount += 2; | |
| 1177 if (modifyEnd < rangeCount && ranges[modifyEnd] < newEnd && newEnd < ranges[modifyEnd] + ranges[modifyEnd + 1]) { | |
| 1178 mergeStyles[mergeCount >> 1] = styles[modifyEnd >> 1]; | |
| 1179 mergeRanges[mergeCount] = newEnd; | |
| 1180 mergeRanges[mergeCount + 1] = ranges[modifyEnd] + ranges[modifyEnd + 1] - newEnd; | |
| 1181 mergeCount += 2; | |
| 1182 modifyLast = 2; | |
| 1183 } | |
| 1184 int grow = addMerge(mergeRanges, mergeStyles, mergeCount, modifyStart, modifyEnd + modifyLast); | |
| 1185 rangeCount += grow; | |
| 1186 modifyStart = modifyEnd += grow; | |
| 1187 } | |
| 1188 } else { | |
| 1189 int start = newStyles[0].start; | |
| 1190 int modifyStart = getRangeIndex(start, -1, styleCount), modifyEnd; | |
| 1191 bool insert = modifyStart is styleCount; | |
| 1192 if (!insert) { | |
| 1193 int end = newStyles[newStyles.length - 1].start + newStyles[newStyles.length - 1].length; | |
| 1194 modifyEnd = getRangeIndex(end, modifyStart - 1, styleCount); | |
| 1195 insert = modifyStart is modifyEnd && styles[modifyStart].start >= end; | |
| 1196 } | |
| 1197 if (insert) { | |
| 1198 addMerge(newStyles, newStyles.length, modifyStart, modifyStart); | |
| 1199 return; | |
| 1200 } | |
| 1201 modifyEnd = modifyStart; | |
| 1202 StyleRange[] mergeStyles = new StyleRange[3]; | |
| 1203 for (int i = 0; i < newStyles.length; i++) { | |
| 1204 StyleRange newStyle = newStyles[i], style; | |
| 1205 int newStart = newStyle.start; | |
| 1206 int newEnd = newStart + newStyle.length; | |
| 1207 if (newStart is newEnd) continue; | |
| 1208 int modifyLast = 0, mergeCount = 0; | |
| 1209 while (modifyEnd < styleCount) { | |
| 1210 if (newStart >= styles[modifyStart].start + styles[modifyStart].length) modifyStart++; | |
| 1211 if (styles[modifyEnd].start + styles[modifyEnd].length > newEnd) break; | |
| 1212 modifyEnd++; | |
| 1213 } | |
| 1214 style = styles[modifyStart]; | |
| 1215 if (style.start < newStart && newStart < style.start + style.length) { | |
| 1216 style = mergeStyles[mergeCount++] = cast(StyleRange)style.clone(); | |
| 1217 style.length = newStart - style.start; | |
| 1218 } | |
| 1219 mergeStyles[mergeCount++] = newStyle; | |
| 1220 if (modifyEnd < styleCount) { | |
| 1221 style = styles[modifyEnd]; | |
| 1222 if (style.start < newEnd && newEnd < style.start + style.length) { | |
| 1223 style = mergeStyles[mergeCount++] = cast(StyleRange)style.clone(); | |
| 1224 style.length += style.start - newEnd; | |
| 1225 style.start = newEnd; | |
| 1226 modifyLast = 1; | |
| 1227 } | |
| 1228 } | |
| 1229 int grow = addMerge(mergeStyles, mergeCount, modifyStart, modifyEnd + modifyLast); | |
| 1230 modifyStart = modifyEnd += grow; | |
| 1231 } | |
| 1232 } | |
| 1233 } | |
| 1234 void textChanging(TextChangingEvent event) { | |
| 1235 int start = event.start; | |
| 1236 int newCharCount = event.newCharCount, replaceCharCount = event.replaceCharCount; | |
| 1237 int newLineCount = event.newLineCount, replaceLineCount = event.replaceLineCount; | |
| 1238 | |
| 1239 updateRanges(start, replaceCharCount, newCharCount); | |
| 1240 | |
| 1241 int startLine = content.getLineAtOffset(start); | |
| 1242 if (replaceCharCount is content.getCharCount()) lines = null; | |
| 1243 if (replaceLineCount is lineCount) { | |
| 1244 lineCount = newLineCount; | |
| 1245 lineWidth = new int[lineCount]; | |
| 1246 lineHeight = new int[lineCount]; | |
| 1247 reset(0, lineCount); | |
| 1248 } else { | |
| 1249 int delta = newLineCount - replaceLineCount; | |
| 1250 if (lineCount + delta > lineWidth.length) { | |
| 1251 int[] newWidths = new int[lineCount + delta + GROW]; | |
| 1252 System.arraycopy(lineWidth, 0, newWidths, 0, lineCount); | |
| 1253 lineWidth = newWidths; | |
| 1254 int[] newHeights = new int[lineCount + delta + GROW]; | |
| 1255 System.arraycopy(lineHeight, 0, newHeights, 0, lineCount); | |
| 1256 lineHeight = newHeights; | |
| 1257 } | |
| 1258 if (lines !is null) { | |
| 1259 if (lineCount + delta > lines.length) { | |
| 1260 LineInfo[] newLines = new LineInfo[lineCount + delta + GROW]; | |
| 1261 System.arraycopy(lines, 0, newLines, 0, lineCount); | |
| 1262 lines = newLines; | |
| 1263 } | |
| 1264 } | |
| 1265 int startIndex = startLine + replaceLineCount + 1; | |
| 1266 int endIndex = startLine + newLineCount + 1; | |
| 1267 System.arraycopy(lineWidth, startIndex, lineWidth, endIndex, lineCount - startIndex); | |
| 1268 System.arraycopy(lineHeight, startIndex, lineHeight, endIndex, lineCount - startIndex); | |
| 1269 for (int i = startLine; i < endIndex; i++) { | |
| 1270 lineWidth[i] = lineHeight[i] = -1; | |
| 1271 } | |
| 1272 for (int i = lineCount + delta; i < lineCount; i++) { | |
| 1273 lineWidth[i] = lineHeight[i] = -1; | |
| 1274 } | |
| 1275 if (layouts !is null) { | |
| 1276 int layoutStartLine = startLine - topIndex; | |
| 1277 int layoutEndLine = layoutStartLine + replaceLineCount + 1; | |
| 1278 for (int i = layoutStartLine; i < layoutEndLine; i++) { | |
| 1279 if (0 <= i && i < layouts.length) { | |
| 1280 if (layouts[i] !is null) layouts[i].dispose(); | |
| 1281 layouts[i] = null; | |
| 1282 if (bullets !is null && bulletsIndices !is null) bullets[i] = null; | |
| 1283 } | |
| 1284 } | |
| 1285 if (delta > 0) { | |
| 1286 for (int i = layouts.length - 1; i >= layoutEndLine; i--) { | |
| 1287 if (0 <= i && i < layouts.length) { | |
| 1288 endIndex = i + delta; | |
| 1289 if (0 <= endIndex && endIndex < layouts.length) { | |
| 1290 layouts[endIndex] = layouts[i]; | |
| 1291 layouts[i] = null; | |
| 1292 if (bullets !is null && bulletsIndices !is null) { | |
| 1293 bullets[endIndex] = bullets[i]; | |
| 1294 bulletsIndices[endIndex] = bulletsIndices[i]; | |
| 1295 bullets[i] = null; | |
| 1296 } | |
| 1297 } else { | |
| 1298 if (layouts[i] !is null) layouts[i].dispose(); | |
| 1299 layouts[i] = null; | |
| 1300 if (bullets !is null && bulletsIndices !is null) bullets[i] = null; | |
| 1301 } | |
| 1302 } | |
| 1303 } | |
| 1304 } else if (delta < 0) { | |
| 1305 for (int i = layoutEndLine; i < layouts.length; i++) { | |
| 1306 if (0 <= i && i < layouts.length) { | |
| 1307 endIndex = i + delta; | |
| 1308 if (0 <= endIndex && endIndex < layouts.length) { | |
| 1309 layouts[endIndex] = layouts[i]; | |
| 1310 layouts[i] = null; | |
| 1311 if (bullets !is null && bulletsIndices !is null) { | |
| 1312 bullets[endIndex] = bullets[i]; | |
| 1313 bulletsIndices[endIndex] = bulletsIndices[i]; | |
| 1314 bullets[i] = null; | |
| 1315 } | |
| 1316 } else { | |
| 1317 if (layouts[i] !is null) layouts[i].dispose(); | |
| 1318 layouts[i] = null; | |
| 1319 if (bullets !is null && bulletsIndices !is null) bullets[i] = null; | |
| 1320 } | |
| 1321 } | |
| 1322 } | |
| 1323 } | |
| 1324 } | |
| 1325 if (replaceLineCount !is 0 || newLineCount !is 0) { | |
| 1326 int startLineOffset = content.getOffsetAtLine(startLine); | |
| 1327 if (startLineOffset !is start) startLine++; | |
| 1328 updateBullets(startLine, replaceLineCount, newLineCount, true); | |
| 1329 if (lines !is null) { | |
| 1330 startIndex = startLine + replaceLineCount; | |
| 1331 endIndex = startLine + newLineCount; | |
| 1332 System.arraycopy(lines, startIndex, lines, endIndex, lineCount - startIndex); | |
| 1333 for (int i = startLine; i < endIndex; i++) { | |
| 1334 lines[i] = null; | |
| 1335 } | |
| 1336 for (int i = lineCount + delta; i < lineCount; i++) { | |
| 1337 lines[i] = null; | |
| 1338 } | |
| 1339 } | |
| 1340 } | |
| 1341 lineCount += delta; | |
| 1342 if (maxWidthLineIndex !is -1 && startLine <= maxWidthLineIndex && maxWidthLineIndex <= startLine + replaceLineCount) { | |
| 1343 maxWidth = 0; | |
| 1344 maxWidthLineIndex = -1; | |
| 1345 for (int i = 0; i < lineCount; i++) { | |
| 1346 if (lineWidth[i] > maxWidth) { | |
| 1347 maxWidth = lineWidth[i]; | |
| 1348 maxWidthLineIndex = i; | |
| 1349 } | |
| 1350 } | |
| 1351 } | |
| 1352 } | |
| 1353 } | |
| 1354 void updateBullets(int startLine, int replaceLineCount, int newLineCount, bool update) { | |
| 1355 if (bullets is null) return; | |
| 1356 if (bulletsIndices !is null) return; | |
| 1357 for (int i = 0; i < bullets.length; i++) { | |
| 1358 Bullet bullet = bullets[i]; | |
| 1359 int[] lines = bullet.removeIndices(startLine, replaceLineCount, newLineCount, update); | |
| 1360 if (lines !is null) { | |
| 1361 if (redrawLines is null) { | |
| 1362 redrawLines = lines; | |
| 1363 } else { | |
| 1364 int[] newRedrawBullets = new int[redrawLines.length + lines.length]; | |
| 1365 System.arraycopy(redrawLines, 0, newRedrawBullets, 0, redrawLines.length); | |
| 1366 System.arraycopy(lines, 0, newRedrawBullets, redrawLines.length, lines.length); | |
| 1367 redrawLines = newRedrawBullets; | |
| 1368 } | |
| 1369 } | |
| 1370 } | |
| 1371 int removed = 0; | |
| 1372 for (int i = 0; i < bullets.length; i++) { | |
| 1373 if (bullets[i].size() is 0) removed++; | |
| 1374 } | |
| 1375 if (removed > 0) { | |
| 1376 if (removed is bullets.length) { | |
| 1377 bullets = null; | |
| 1378 } else { | |
| 1379 Bullet[] newBulletsList = new Bullet[bullets.length - removed]; | |
| 1380 for (int i = 0, j = 0; i < bullets.length; i++) { | |
| 1381 Bullet bullet = bullets[i]; | |
| 1382 if (bullet.size() > 0) newBulletsList[j++] = bullet; | |
| 1383 } | |
| 1384 bullets = newBulletsList; | |
| 1385 } | |
| 1386 } | |
| 1387 } | |
| 1388 void updateRanges(int start, int replaceCharCount, int newCharCount) { | |
| 1389 if (styleCount is 0 || (replaceCharCount is 0 && newCharCount is 0)) return; | |
| 1390 if (ranges !is null) { | |
| 1391 int rangeCount = styleCount << 1; | |
| 1392 int modifyStart = getRangeIndex(start, -1, rangeCount); | |
| 1393 if (modifyStart is rangeCount) return; | |
| 1394 int end = start + replaceCharCount; | |
| 1395 int modifyEnd = getRangeIndex(end, modifyStart - 1, rangeCount); | |
| 1396 int offset = newCharCount - replaceCharCount; | |
| 1397 if (modifyStart is modifyEnd && ranges[modifyStart] < start && end < ranges[modifyEnd] + ranges[modifyEnd + 1]) { | |
| 1398 if (newCharCount is 0) { | |
| 1399 ranges[modifyStart + 1] -= replaceCharCount; | |
| 1400 modifyEnd += 2; | |
| 1401 } else { | |
| 1402 if (rangeCount + 2 > ranges.length) { | |
| 1403 int[] newRanges = new int[ranges.length + (GROW << 1)]; | |
| 1404 System.arraycopy(ranges, 0, newRanges, 0, rangeCount); | |
| 1405 ranges = newRanges; | |
| 1406 StyleRange[] newStyles = new StyleRange[styles.length + GROW]; | |
| 1407 System.arraycopy(styles, 0, newStyles, 0, styleCount); | |
| 1408 styles = newStyles; | |
| 1409 } | |
| 1410 System.arraycopy(ranges, modifyStart + 2, ranges, modifyStart + 4, rangeCount - (modifyStart + 2)); | |
| 1411 System.arraycopy(styles, (modifyStart + 2) >> 1, styles, (modifyStart + 4) >> 1, styleCount - ((modifyStart + 2) >> 1)); | |
| 1412 ranges[modifyStart + 3] = ranges[modifyStart] + ranges[modifyStart + 1] - end; | |
| 1413 ranges[modifyStart + 2] = start + newCharCount; | |
| 1414 ranges[modifyStart + 1] = start - ranges[modifyStart]; | |
| 1415 styles[(modifyStart >> 1) + 1] = styles[modifyStart >> 1]; | |
| 1416 rangeCount += 2; | |
| 1417 styleCount++; | |
| 1418 modifyEnd += 4; | |
| 1419 } | |
| 1420 if (offset !is 0) { | |
| 1421 for (int i = modifyEnd; i < rangeCount; i += 2) { | |
| 1422 ranges[i] += offset; | |
| 1423 } | |
| 1424 } | |
| 1425 } else { | |
| 1426 if (ranges[modifyStart] < start && start < ranges[modifyStart] + ranges[modifyStart + 1]) { | |
| 1427 ranges[modifyStart + 1] = start - ranges[modifyStart]; | |
| 1428 modifyStart += 2; | |
| 1429 } | |
| 1430 if (modifyEnd < rangeCount && ranges[modifyEnd] < end && end < ranges[modifyEnd] + ranges[modifyEnd + 1]) { | |
| 1431 ranges[modifyEnd + 1] = ranges[modifyEnd] + ranges[modifyEnd + 1] - end; | |
| 1432 ranges[modifyEnd] = end; | |
| 1433 } | |
| 1434 if (offset !is 0) { | |
| 1435 for (int i = modifyEnd; i < rangeCount; i += 2) { | |
| 1436 ranges[i] += offset; | |
| 1437 } | |
| 1438 } | |
| 1439 System.arraycopy(ranges, modifyEnd, ranges, modifyStart, rangeCount - modifyEnd); | |
| 1440 System.arraycopy(styles, modifyEnd >> 1, styles, modifyStart >> 1, styleCount - (modifyEnd >> 1)); | |
| 1441 styleCount -= (modifyEnd - modifyStart) >> 1; | |
| 1442 } | |
| 1443 } else { | |
| 1444 int modifyStart = getRangeIndex(start, -1, styleCount); | |
| 1445 if (modifyStart is styleCount) return; | |
| 1446 int end = start + replaceCharCount; | |
| 1447 int modifyEnd = getRangeIndex(end, modifyStart - 1, styleCount); | |
| 1448 int offset = newCharCount - replaceCharCount; | |
| 1449 if (modifyStart is modifyEnd && styles[modifyStart].start < start && end < styles[modifyEnd].start + styles[modifyEnd].length) { | |
| 1450 if (newCharCount is 0) { | |
| 1451 styles[modifyStart].length -= replaceCharCount; | |
| 1452 modifyEnd++; | |
| 1453 } else { | |
| 1454 if (styleCount + 1 > styles.length) { | |
| 1455 StyleRange[] newStyles = new StyleRange[styles.length + GROW]; | |
| 1456 System.arraycopy(styles, 0, newStyles, 0, styleCount); | |
| 1457 styles = newStyles; | |
| 1458 } | |
| 1459 System.arraycopy(styles, modifyStart + 1, styles, modifyStart + 2, styleCount - (modifyStart + 1)); | |
| 1460 styles[modifyStart + 1] = cast(StyleRange)styles[modifyStart].clone(); | |
| 1461 styles[modifyStart + 1].length = styles[modifyStart].start + styles[modifyStart].length - end; | |
| 1462 styles[modifyStart + 1].start = start + newCharCount; | |
| 1463 styles[modifyStart].length = start - styles[modifyStart].start; | |
| 1464 styleCount++; | |
| 1465 modifyEnd += 2; | |
| 1466 } | |
| 1467 if (offset !is 0) { | |
| 1468 for (int i = modifyEnd; i < styleCount; i++) { | |
| 1469 styles[i].start += offset; | |
| 1470 } | |
| 1471 } | |
| 1472 } else { | |
| 1473 if (styles[modifyStart].start < start && start < styles[modifyStart].start + styles[modifyStart].length) { | |
| 1474 styles[modifyStart].length = start - styles[modifyStart].start; | |
| 1475 modifyStart++; | |
| 1476 } | |
| 1477 if (modifyEnd < styleCount && styles[modifyEnd].start < end && end < styles[modifyEnd].start + styles[modifyEnd].length) { | |
| 1478 styles[modifyEnd].length = styles[modifyEnd].start + styles[modifyEnd].length - end; | |
| 1479 styles[modifyEnd].start = end; | |
| 1480 } | |
| 1481 if (offset !is 0) { | |
| 1482 for (int i = modifyEnd; i < styleCount; i++) { | |
| 1483 styles[i].start += offset; | |
| 1484 } | |
| 1485 } | |
| 1486 System.arraycopy(styles, modifyEnd, styles, modifyStart, styleCount - modifyEnd); | |
| 1487 styleCount -= modifyEnd - modifyStart; | |
| 1488 } | |
| 1489 } | |
| 1490 } | |
| 1491 } |