diff options
Diffstat (limited to 'bundles/org.eclipse.swt/Eclipse SWT Custom Widgets/common/org/eclipse/swt/custom/StyledTextRenderer.java')
| -rw-r--r-- | bundles/org.eclipse.swt/Eclipse SWT Custom Widgets/common/org/eclipse/swt/custom/StyledTextRenderer.java | 1568 |
1 files changed, 0 insertions, 1568 deletions
diff --git a/bundles/org.eclipse.swt/Eclipse SWT Custom Widgets/common/org/eclipse/swt/custom/StyledTextRenderer.java b/bundles/org.eclipse.swt/Eclipse SWT Custom Widgets/common/org/eclipse/swt/custom/StyledTextRenderer.java deleted file mode 100644 index 86dcf4d905..0000000000 --- a/bundles/org.eclipse.swt/Eclipse SWT Custom Widgets/common/org/eclipse/swt/custom/StyledTextRenderer.java +++ /dev/null @@ -1,1568 +0,0 @@ -/******************************************************************************* - * Copyright (c) 2000, 2009 IBM Corporation and others. - * All rights reserved. This program and the accompanying materials - * are made available under the terms of the Eclipse Public License v1.0 - * which accompanies this distribution, and is available at - * http://www.eclipse.org/legal/epl-v10.html - * - * Contributors: - * IBM Corporation - initial API and implementation - *******************************************************************************/ -package org.eclipse.swt.custom; - - -import org.eclipse.swt.SWT; -import org.eclipse.swt.graphics.*; -import org.eclipse.swt.widgets.*; - -/** - * A StyledTextRenderer renders the content of a StyledText widget. - * This class can be used to render to the display or to a printer. - */ -class StyledTextRenderer { - Device device; - StyledText styledText; - StyledTextContent content; - - /* Font info */ - Font regularFont, boldFont, italicFont, boldItalicFont; - int tabWidth; - int ascent, descent; - int averageCharWidth; - - /* Line data */ - int topIndex = -1; - TextLayout[] layouts; - int lineCount; - int[] lineWidth; - int[] lineHeight; - LineInfo[] lines; - int maxWidth; - int maxWidthLineIndex; - boolean idleRunning; - - /* Bullet */ - Bullet[] bullets; - int[] bulletsIndices; - int[] redrawLines; - - /* Style data */ - int[] ranges; - int styleCount; - StyleRange[] styles; - StyleRange[] stylesSet; - int stylesSetCount = 0; - boolean hasLinks, fixedPitch; - final static int BULLET_MARGIN = 8; - - final static boolean COMPACT_STYLES = true; - final static boolean MERGE_STYLES = true; - - final static int GROW = 32; - final static int IDLE_TIME = 50; - final static int CACHE_SIZE = 128; - - final static int BACKGROUND = 1 << 0; - final static int ALIGNMENT = 1 << 1; - final static int INDENT = 1 << 2; - final static int JUSTIFY = 1 << 3; - final static int SEGMENTS = 1 << 5; - - static class LineInfo { - int flags; - Color background; - int alignment; - int indent; - boolean justify; - int[] segments; - - public LineInfo() { - } - public LineInfo(LineInfo info) { - if (info != null) { - flags = info.flags; - background = info.background; - alignment = info.alignment; - indent = info.indent; - justify = info.justify; - segments = info.segments; - } - } - } - -StyledTextRenderer(Device device, StyledText styledText) { - this.device = device; - this.styledText = styledText; -} -int addMerge(int[] mergeRanges, StyleRange[] mergeStyles, int mergeCount, int modifyStart, int modifyEnd) { - int rangeCount = styleCount << 1; - StyleRange endStyle = null; - int endStart = 0, endLength = 0; - if (modifyEnd < rangeCount) { - endStyle = styles[modifyEnd >> 1]; - endStart = ranges[modifyEnd]; - endLength = ranges[modifyEnd + 1]; - } - int grow = mergeCount - (modifyEnd - modifyStart); - if (rangeCount + grow >= ranges.length) { - int[] tmpRanges = new int[ranges.length + grow + (GROW << 1)]; - System.arraycopy(ranges, 0, tmpRanges, 0, modifyStart); - StyleRange[] tmpStyles = new StyleRange[styles.length + (grow >> 1) + GROW]; - System.arraycopy(styles, 0, tmpStyles, 0, modifyStart >> 1); - if (rangeCount > modifyEnd) { - System.arraycopy(ranges, modifyEnd, tmpRanges, modifyStart + mergeCount, rangeCount - modifyEnd); - System.arraycopy(styles, modifyEnd >> 1, tmpStyles, (modifyStart + mergeCount) >> 1, styleCount - (modifyEnd >> 1)); - } - ranges = tmpRanges; - styles = tmpStyles; - } else { - if (rangeCount > modifyEnd) { - System.arraycopy(ranges, modifyEnd, ranges, modifyStart + mergeCount, rangeCount - modifyEnd); - System.arraycopy(styles, modifyEnd >> 1, styles, (modifyStart + mergeCount) >> 1, styleCount - (modifyEnd >> 1)); - } - } - if (MERGE_STYLES) { - int j = modifyStart; - for (int i = 0; i < mergeCount; i += 2) { - if (j > 0 && ranges[j - 2] + ranges[j - 1] == mergeRanges[i] && mergeStyles[i >> 1].similarTo(styles[(j - 2) >> 1])) { - ranges[j - 1] += mergeRanges[i + 1]; - } else { - styles[j >> 1] = mergeStyles[i >> 1]; - ranges[j++] = mergeRanges[i]; - ranges[j++] = mergeRanges[i + 1]; - } - } - if (endStyle != null && ranges[j - 2] + ranges[j - 1] == endStart && endStyle.similarTo(styles[(j - 2) >> 1])) { - ranges[j - 1] += endLength; - modifyEnd += 2; - mergeCount += 2; - } - if (rangeCount > modifyEnd) { - System.arraycopy(ranges, modifyStart + mergeCount, ranges, j, rangeCount - modifyEnd); - System.arraycopy(styles, (modifyStart + mergeCount) >> 1, styles, j >> 1, styleCount - (modifyEnd >> 1)); - } - grow = (j - modifyStart) - (modifyEnd - modifyStart); - } else { - System.arraycopy(mergeRanges, 0, ranges, modifyStart, mergeCount); - System.arraycopy(mergeStyles, 0, styles, modifyStart >> 1, mergeCount >> 1); - } - styleCount += grow >> 1; - return grow; -} -int addMerge(StyleRange[] mergeStyles, int mergeCount, int modifyStart, int modifyEnd) { - int grow = mergeCount - (modifyEnd - modifyStart); - StyleRange endStyle = null; - if (modifyEnd < styleCount) endStyle = styles[modifyEnd]; - if (styleCount + grow >= styles.length) { - StyleRange[] tmpStyles = new StyleRange[styles.length + grow + GROW]; - System.arraycopy(styles, 0, tmpStyles, 0, modifyStart); - if (styleCount > modifyEnd) { - System.arraycopy(styles, modifyEnd, tmpStyles, modifyStart + mergeCount, styleCount - modifyEnd); - } - styles = tmpStyles; - } else { - if (styleCount > modifyEnd) { - System.arraycopy(styles, modifyEnd, styles, modifyStart + mergeCount, styleCount - modifyEnd); - } - } - if (MERGE_STYLES) { - int j = modifyStart; - for (int i = 0; i < mergeCount; i++) { - StyleRange newStyle = mergeStyles[i], style; - if (j > 0 && (style = styles[j - 1]).start + style.length == newStyle.start && newStyle.similarTo(style)) { - style.length += newStyle.length; - } else { - styles[j++] = newStyle; - } - } - StyleRange style = styles[j - 1]; - if (endStyle != null && style.start + style.length == endStyle.start && endStyle.similarTo(style)) { - style.length += endStyle.length; - modifyEnd++; - mergeCount++; - } - if (styleCount > modifyEnd) { - System.arraycopy(styles, modifyStart + mergeCount, styles, j, styleCount - modifyEnd); - } - grow = (j - modifyStart) - (modifyEnd - modifyStart); - } else { - System.arraycopy(mergeStyles, 0, styles, modifyStart, mergeCount); - } - styleCount += grow; - return grow; -} -void calculate(int startLine, int lineCount) { - int endLine = startLine + lineCount; - if (startLine < 0 || endLine > lineWidth.length) { - return; - } - int hTrim = styledText.leftMargin + styledText.rightMargin + styledText.getCaretWidth(); - for (int i = startLine; i < endLine; i++) { - if (lineWidth[i] == -1 || lineHeight[i] == -1) { - TextLayout layout = getTextLayout(i); - Rectangle rect = layout.getBounds(); - lineWidth[i] = rect.width + hTrim; - lineHeight[i] = rect.height; - disposeTextLayout(layout); - } - if (lineWidth[i] > maxWidth) { - maxWidth = lineWidth[i]; - maxWidthLineIndex = i; - } - } -} -void calculateClientArea () { - int index = styledText.getTopIndex(); - int lineCount = content.getLineCount(); - int height = styledText.getClientArea().height; - int y = 0; - while (height > y && lineCount > index) { - calculate(index, 1); - y += lineHeight[index++]; - } -} -void calculateIdle () { - if (idleRunning) return; - Runnable runnable = new Runnable() { - public void run() { - if (styledText == null) return; - int i; - long start = System.currentTimeMillis(); - for (i = 0; i < lineCount; i++) { - if (lineHeight[i] == -1 || lineWidth[i] == -1) { - calculate(i, 1); - if (System.currentTimeMillis() - start > IDLE_TIME) break; - } - } - if (i < lineCount) { - Display display = styledText.getDisplay(); - display.asyncExec(this); - } else { - idleRunning = false; - styledText.setScrollBars(true); - ScrollBar bar = styledText.getVerticalBar(); - if (bar != null) { - bar.setSelection(styledText.getVerticalScrollOffset()); - } - } - } - }; - Display display = styledText.getDisplay(); - display.asyncExec(runnable); - idleRunning = true; -} -void clearLineBackground(int startLine, int count) { - if (lines == null) return; - for (int i = startLine; i < startLine + count; i++) { - LineInfo info = lines[i]; - if (info != null) { - info.flags &= ~BACKGROUND; - info.background = null; - if (info.flags == 0) lines[i] = null; - } - } -} -void clearLineStyle(int startLine, int count) { - if (lines == null) return; - for (int i = startLine; i < startLine + count; i++) { - LineInfo info = lines[i]; - if (info != null) { - info.flags &= ~(ALIGNMENT | INDENT | JUSTIFY); - if (info.flags == 0) lines[i] = null; - } - } -} -void copyInto(StyledTextRenderer renderer) { - if (ranges != null) { - int[] newRanges = renderer.ranges = new int[styleCount << 1]; - System.arraycopy(ranges, 0, newRanges, 0, newRanges.length); - } - if (styles != null) { - StyleRange[] newStyles = renderer.styles = new StyleRange[styleCount]; - for (int i = 0; i < newStyles.length; i++) { - newStyles[i] = (StyleRange)styles[i].clone(); - } - renderer.styleCount = styleCount; - } - if (lines != null) { - LineInfo[] newLines = renderer.lines = new LineInfo[lineCount]; - for (int i = 0; i < newLines.length; i++) { - newLines[i] = new LineInfo(lines[i]); - } - renderer.lineCount = lineCount; - } -} -void dispose() { - if (boldFont != null) boldFont.dispose(); - if (italicFont != null) italicFont.dispose(); - if (boldItalicFont != null) boldItalicFont.dispose(); - boldFont = italicFont = boldItalicFont = null; - reset(); - content = null; - device = null; - styledText = null; -} -void disposeTextLayout (TextLayout layout) { - if (layouts != null) { - for (int i = 0; i < layouts.length; i++) { - if (layouts[i] == layout) return; - } - } - layout.dispose(); -} -void drawBullet(Bullet bullet, GC gc, int paintX, int paintY, int index, int lineAscent, int lineDescent) { - StyleRange style = bullet.style; - GlyphMetrics metrics = style.metrics; - Color color = style.foreground; - if (color != null) gc.setForeground(color); - if ((bullet.type & ST.BULLET_DOT) != 0 && StyledText.IS_MOTIF) { - int size = Math.max(4, (lineAscent + lineDescent) / 4); - if ((size & 1) == 0) size++; - if (color == null) { - Display display = styledText.getDisplay(); - color = display.getSystemColor(SWT.COLOR_BLACK); - } - gc.setBackground(color); - int x = paintX + Math.max(0, metrics.width - size - BULLET_MARGIN); - gc.fillArc(x, paintY + size, size + 1, size + 1, 0, 360); - return; - } - Font font = style.font; - if (font != null) gc.setFont(font); - String string = ""; - int type = bullet.type & (ST.BULLET_DOT|ST.BULLET_NUMBER|ST.BULLET_LETTER_LOWER|ST.BULLET_LETTER_UPPER); - switch (type) { - case ST.BULLET_DOT: string = "\u2022"; break; - case ST.BULLET_NUMBER: string = String.valueOf(index); break; - case ST.BULLET_LETTER_LOWER: string = String.valueOf((char) (index % 26 + 97)); break; - case ST.BULLET_LETTER_UPPER: string = String.valueOf((char) (index % 26 + 65)); break; - } - if ((bullet.type & ST.BULLET_TEXT) != 0) string += bullet.text; - Display display = styledText.getDisplay(); - TextLayout layout = new TextLayout(display); - layout.setText(string); - layout.setAscent(lineAscent); - layout.setDescent(lineDescent); - style = (StyleRange)style.clone(); - style.metrics = null; - if (style.font == null) style.font = getFont(style.fontStyle); - layout.setStyle(style, 0, string.length()); - int x = paintX + Math.max(0, metrics.width - layout.getBounds().width - BULLET_MARGIN); - layout.draw(gc, x, paintY); - layout.dispose(); -} -int drawLine(int lineIndex, int paintX, int paintY, GC gc, Color widgetBackground, Color widgetForeground) { - TextLayout layout = getTextLayout(lineIndex); - String line = content.getLine(lineIndex); - int lineOffset = content.getOffsetAtLine(lineIndex); - int lineLength = line.length(); - Point selection = styledText.getSelection(); - int selectionStart = selection.x - lineOffset; - int selectionEnd = selection.y - lineOffset; - if (styledText.getBlockSelection()) { - selectionStart = selectionEnd = 0; - } - Rectangle client = styledText.getClientArea(); - Color lineBackground = getLineBackground(lineIndex, null); - StyledTextEvent event = styledText.getLineBackgroundData(lineOffset, line); - if (event != null && event.lineBackground != null) lineBackground = event.lineBackground; - int height = layout.getBounds().height; - if (lineBackground != null) { - gc.setBackground(lineBackground); - gc.fillRectangle(client.x, paintY, client.width, height); - } else { - gc.setBackground(widgetBackground); - styledText.drawBackground(gc, client.x, paintY, client.width, height); - } - gc.setForeground(widgetForeground); - if (selectionStart == selectionEnd || (selectionEnd <= 0 && selectionStart > lineLength - 1)) { - layout.draw(gc, paintX, paintY); - } else { - int start = Math.max(0, selectionStart); - int end = Math.min(lineLength, selectionEnd); - Color selectionFg = styledText.getSelectionForeground(); - Color selectionBg = styledText.getSelectionBackground(); - int flags; - if ((styledText.getStyle() & SWT.FULL_SELECTION) != 0) { - flags = SWT.FULL_SELECTION; - } else { - flags = SWT.DELIMITER_SELECTION; - } - if (selectionStart <= lineLength && lineLength < selectionEnd ) { - flags |= SWT.LAST_LINE_SELECTION; - } - layout.draw(gc, paintX, paintY, start, end - 1, selectionFg, selectionBg, flags); - } - - // draw objects - Bullet bullet = null; - int bulletIndex = -1; - if (bullets != null) { - if (bulletsIndices != null) { - int index = lineIndex - topIndex; - if (0 <= index && index < CACHE_SIZE) { - bullet = bullets[index]; - bulletIndex = bulletsIndices[index]; - } - } else { - for (int i = 0; i < bullets.length; i++) { - bullet = bullets[i]; - bulletIndex = bullet.indexOf(lineIndex); - if (bulletIndex != -1) break; - } - } - } - if (bulletIndex != -1 && bullet != null) { - FontMetrics metrics = layout.getLineMetrics(0); - int lineAscent = metrics.getAscent() + metrics.getLeading(); - if (bullet.type == ST.BULLET_CUSTOM) { - bullet.style.start = lineOffset; - styledText.paintObject(gc, paintX, paintY, lineAscent, metrics.getDescent(), bullet.style, bullet, bulletIndex); - } else { - drawBullet(bullet, gc, paintX, paintY, bulletIndex, lineAscent, metrics.getDescent()); - } - } - TextStyle[] styles = layout.getStyles(); - int[] ranges = null; - for (int i = 0; i < styles.length; i++) { - if (styles[i].metrics != null) { - if (ranges == null) ranges = layout.getRanges(); - int start = ranges[i << 1]; - int length = ranges[(i << 1) + 1] - start; - Point point = layout.getLocation(start, false); - FontMetrics metrics = layout.getLineMetrics(layout.getLineIndex(start)); - StyleRange style = (StyleRange)((StyleRange)styles[i]).clone(); - style.start = start + lineOffset; - style.length = length; - int lineAscent = metrics.getAscent() + metrics.getLeading(); - styledText.paintObject(gc, point.x + paintX, point.y + paintY, lineAscent, metrics.getDescent(), style, null, 0); - } - } - disposeTextLayout(layout); - return height; -} -int getBaseline() { - return ascent; -} -Font getFont(int style) { - switch (style) { - case SWT.BOLD: - if (boldFont != null) return boldFont; - return boldFont = new Font(device, getFontData(style)); - case SWT.ITALIC: - if (italicFont != null) return italicFont; - return italicFont = new Font(device, getFontData(style)); - case SWT.BOLD | SWT.ITALIC: - if (boldItalicFont != null) return boldItalicFont; - return boldItalicFont = new Font(device, getFontData(style)); - default: - return regularFont; - } -} -FontData[] getFontData(int style) { - FontData[] fontDatas = regularFont.getFontData(); - for (int i = 0; i < fontDatas.length; i++) { - fontDatas[i].setStyle(style); - } - return fontDatas; -} -int getHeight () { - int defaultLineHeight = getLineHeight(); - if (styledText.isFixedLineHeight()) { - return lineCount * defaultLineHeight + styledText.topMargin + styledText.bottomMargin; - } - int totalHeight = 0; - int width = styledText.getWrapWidth(); - for (int i = 0; i < lineCount; i++) { - int height = lineHeight[i]; - if (height == -1) { - if (width > 0) { - int length = content.getLine(i).length(); - height = ((length * averageCharWidth / width) + 1) * defaultLineHeight; - } else { - height = defaultLineHeight; - } - } - totalHeight += height; - } - return totalHeight + styledText.topMargin + styledText.bottomMargin; -} -boolean hasLink(int offset) { - if (offset == -1) return false; - int lineIndex = content.getLineAtOffset(offset); - int lineOffset = content.getOffsetAtLine(lineIndex); - String line = content.getLine(lineIndex); - StyledTextEvent event = styledText.getLineStyleData(lineOffset, line); - if (event != null) { - StyleRange[] styles = event.styles; - if (styles != null) { - int[] ranges = event.ranges; - if (ranges != null) { - for (int i = 0; i < ranges.length; i+=2) { - if (ranges[i] <= offset && offset < ranges[i] + ranges[i+1] && styles[i >> 1].underline && styles[i >> 1].underlineStyle == SWT.UNDERLINE_LINK) { - return true; - } - } - } else { - for (int i = 0; i < styles.length; i++) { - if (styles[i].start <= offset && offset < styles[i].start + styles[i].length && styles[i >> 1].underline && styles[i >> 1].underlineStyle == SWT.UNDERLINE_LINK) { - return true; - } - } - } - } - } else { - if (ranges != null) { - int rangeCount = styleCount << 1; - int index = getRangeIndex(offset, -1, rangeCount); - if (index >= rangeCount) return false; - int rangeStart = ranges[index]; - int rangeLength = ranges[index + 1]; - StyleRange rangeStyle = styles[index >> 1]; - if (rangeStart <= offset && offset < rangeStart + rangeLength && rangeStyle.underline && rangeStyle.underlineStyle == SWT.UNDERLINE_LINK) { - return true; - } - } - } - return false; -} -int getLineAlignment(int index, int defaultAlignment) { - if (lines == null) return defaultAlignment; - LineInfo info = lines[index]; - if (info != null && (info.flags & ALIGNMENT) != 0) { - return info.alignment; - } - return defaultAlignment; -} -Color getLineBackground(int index, Color defaultBackground) { - if (lines == null) return defaultBackground; - LineInfo info = lines[index]; - if (info != null && (info.flags & BACKGROUND) != 0) { - return info.background; - } - return defaultBackground; -} -Bullet getLineBullet (int index, Bullet defaultBullet) { - if (bullets == null) return defaultBullet; - if (bulletsIndices != null) return defaultBullet; - for (int i = 0; i < bullets.length; i++) { - Bullet bullet = bullets[i]; - if (bullet.indexOf(index) != -1) return bullet; - } - return defaultBullet; -} -int getLineHeight() { - return ascent + descent; -} -int getLineHeight(int lineIndex) { - if (lineHeight[lineIndex] == -1) { - calculate(lineIndex, 1); - } - return lineHeight[lineIndex]; -} -int getLineIndent(int index, int defaultIndent) { - if (lines == null) return defaultIndent; - LineInfo info = lines[index]; - if (info != null && (info.flags & INDENT) != 0) { - return info.indent; - } - return defaultIndent; -} -boolean getLineJustify(int index, boolean defaultJustify) { - if (lines == null) return defaultJustify; - LineInfo info = lines[index]; - if (info != null && (info.flags & JUSTIFY) != 0) { - return info.justify; - } - return defaultJustify; -} -int[] getLineSegments(int index, int[] defaultSegments) { - if (lines == null) return defaultSegments; - LineInfo info = lines[index]; - if (info != null && (info.flags & SEGMENTS) != 0) { - return info.segments; - } - return defaultSegments; -} -int getRangeIndex(int offset, int low, int high) { - if (styleCount == 0) return 0; - if (ranges != null) { - while (high - low > 2) { - int index = ((high + low) / 2) / 2 * 2; - int end = ranges[index] + ranges[index + 1]; - if (end > offset) { - high = index; - } else { - low = index; - } - } - } else { - while (high - low > 1) { - int index = ((high + low) / 2); - int end = styles[index].start + styles[index].length; - if (end > offset) { - high = index; - } else { - low = index; - } - } - } - return high; -} -int[] getRanges(int start, int length) { - if (length == 0) return null; - int[] newRanges; - int end = start + length - 1; - if (ranges != null) { - int rangeCount = styleCount << 1; - int rangeStart = getRangeIndex(start, -1, rangeCount); - if (rangeStart >= rangeCount) return null; - if (ranges[rangeStart] > end) return null; - int rangeEnd = Math.min(rangeCount - 2, getRangeIndex(end, rangeStart - 1, rangeCount)); - if (ranges[rangeEnd] > end) rangeEnd = Math.max(rangeStart, rangeEnd - 2); - newRanges = new int[rangeEnd - rangeStart + 2]; - System.arraycopy(ranges, rangeStart, newRanges, 0, newRanges.length); - } else { - int rangeStart = getRangeIndex(start, -1, styleCount); - if (rangeStart >= styleCount) return null; - if (styles[rangeStart].start > end) return null; - int rangeEnd = Math.min(styleCount - 1, getRangeIndex(end, rangeStart - 1, styleCount)); - if (styles[rangeEnd].start > end) rangeEnd = Math.max(rangeStart, rangeEnd - 1); - newRanges = new int[(rangeEnd - rangeStart + 1) << 1]; - for (int i = rangeStart, j = 0; i <= rangeEnd; i++, j += 2) { - StyleRange style = styles[i]; - newRanges[j] = style.start; - newRanges[j + 1] = style.length; - } - } - if (start > newRanges[0]) { - newRanges[1] = newRanges[0] + newRanges[1] - start; - newRanges[0] = start; - } - if (end < newRanges[newRanges.length - 2] + newRanges[newRanges.length - 1] - 1) { - newRanges[newRanges.length - 1] = end - newRanges[newRanges.length - 2] + 1; - } - return newRanges; -} -StyleRange[] getStyleRanges(int start, int length, boolean includeRanges) { - if (length == 0) return null; - StyleRange[] newStyles; - int end = start + length - 1; - if (ranges != null) { - int rangeCount = styleCount << 1; - int rangeStart = getRangeIndex(start, -1, rangeCount); - if (rangeStart >= rangeCount) return null; - if (ranges[rangeStart] > end) return null; - int rangeEnd = Math.min(rangeCount - 2, getRangeIndex(end, rangeStart - 1, rangeCount)); - if (ranges[rangeEnd] > end) rangeEnd = Math.max(rangeStart, rangeEnd - 2); - newStyles = new StyleRange[((rangeEnd - rangeStart) >> 1) + 1]; - if (includeRanges) { - for (int i = rangeStart, j = 0; i <= rangeEnd; i += 2, j++) { - newStyles[j] = (StyleRange)styles[i >> 1].clone(); - newStyles[j].start = ranges[i]; - newStyles[j].length = ranges[i + 1]; - } - } else { - System.arraycopy(styles, rangeStart >> 1, newStyles, 0, newStyles.length); - } - } else { - int rangeStart = getRangeIndex(start, -1, styleCount); - if (rangeStart >= styleCount) return null; - if (styles[rangeStart].start > end) return null; - int rangeEnd = Math.min(styleCount - 1, getRangeIndex(end, rangeStart - 1, styleCount)); - if (styles[rangeEnd].start > end) rangeEnd = Math.max(rangeStart, rangeEnd - 1); - newStyles = new StyleRange[rangeEnd - rangeStart + 1]; - System.arraycopy(styles, rangeStart, newStyles, 0, newStyles.length); - } - if (includeRanges || ranges == null) { - StyleRange style = newStyles[0]; - if (start > style.start) { - newStyles[0] = style = (StyleRange)style.clone(); - style.length = style.start + style.length - start; - style.start = start; - } - style = newStyles[newStyles.length - 1]; - if (end < style.start + style.length - 1) { - newStyles[newStyles.length - 1] = style = (StyleRange)style.clone(); - style.length = end - style.start + 1; - } - } - return newStyles; -} -StyleRange getStyleRange(StyleRange style) { - if (style.underline && style.underlineStyle == SWT.UNDERLINE_LINK) hasLinks = true; - if (style.start == 0 && style.length == 0 && style.fontStyle == SWT.NORMAL) return style; - StyleRange clone = (StyleRange)style.clone(); - clone.start = clone.length = 0; - clone.fontStyle = SWT.NORMAL; - if (clone.font == null) clone.font = getFont(style.fontStyle); - return clone; -} -TextLayout getTextLayout(int lineIndex) { - return getTextLayout(lineIndex, styledText.getOrientation(), styledText.getWrapWidth(), styledText.lineSpacing); -} -TextLayout getTextLayout(int lineIndex, int orientation, int width, int lineSpacing) { - TextLayout layout = null; - if (styledText != null) { - int topIndex = styledText.topIndex > 0 ? styledText.topIndex - 1 : 0; - if (layouts == null || topIndex != this.topIndex) { - TextLayout[] newLayouts = new TextLayout[CACHE_SIZE]; - if (layouts != null) { - for (int i = 0; i < layouts.length; i++) { - if (layouts[i] != null) { - int layoutIndex = (i + this.topIndex) - topIndex; - if (0 <= layoutIndex && layoutIndex < newLayouts.length) { - newLayouts[layoutIndex] = layouts[i]; - } else { - layouts[i].dispose(); - } - } - } - } - if (bullets != null && bulletsIndices != null && topIndex != this.topIndex) { - int delta = topIndex - this.topIndex; - if (delta > 0) { - if (delta < bullets.length) { - System.arraycopy(bullets, delta, bullets, 0, bullets.length - delta); - System.arraycopy(bulletsIndices, delta, bulletsIndices, 0, bulletsIndices.length - delta); - } - int startIndex = Math.max(0, bullets.length - delta); - for (int i = startIndex; i < bullets.length; i++) bullets[i] = null; - } else { - if (-delta < bullets.length) { - System.arraycopy(bullets, 0, bullets, -delta, bullets.length + delta); - System.arraycopy(bulletsIndices, 0, bulletsIndices, -delta, bulletsIndices.length + delta); - } - int endIndex = Math.min(bullets.length, -delta); - for (int i = 0; i < endIndex; i++) bullets[i] = null; - } - } - this.topIndex = topIndex; - layouts = newLayouts; - } - if (layouts != null) { - int layoutIndex = lineIndex - topIndex; - if (0 <= layoutIndex && layoutIndex < layouts.length) { - layout = layouts[layoutIndex]; - if (layout != null) { - if (lineWidth[lineIndex] != -1) return layout; - } else { - layout = layouts[layoutIndex] = new TextLayout(device); - } - } - } - } - if (layout == null) layout = new TextLayout(device); - String line = content.getLine(lineIndex); - int lineOffset = content.getOffsetAtLine(lineIndex); - int[] segments = null; - int indent = 0; - int alignment = SWT.LEFT; - boolean justify = false; - Bullet bullet = null; - int[] ranges = null; - StyleRange[] styles = null; - int rangeStart = 0, styleCount = 0; - StyledTextEvent event = null; - if (styledText != null) { - event = styledText.getLineStyleData(lineOffset, line); - segments = styledText.getBidiSegments(lineOffset, line); - indent = styledText.indent; - alignment = styledText.alignment; - justify = styledText.justify; - } - if (event != null) { - indent = event.indent; - alignment = event.alignment; - justify = event.justify; - bullet = event.bullet; - ranges = event.ranges; - styles = event.styles; - if (styles != null) { - styleCount = styles.length; - if (styledText.isFixedLineHeight()) { - for (int i = 0; i < styleCount; i++) { - if (styles[i].isVariableHeight()) { - styledText.verticalScrollOffset = -1; - styledText.setVariableLineHeight(); - styledText.redraw(); - break; - } - } - } - } - if (bullets == null || bulletsIndices == null) { - bullets = new Bullet[CACHE_SIZE]; - bulletsIndices = new int[CACHE_SIZE]; - } - int index = lineIndex - topIndex; - if (0 <= index && index < CACHE_SIZE) { - bullets[index] = bullet; - bulletsIndices[index] = event.bulletIndex; - } - } else { - if (lines != null) { - LineInfo info = lines[lineIndex]; - if (info != null) { - if ((info.flags & INDENT) != 0) indent = info.indent; - if ((info.flags & ALIGNMENT) != 0) alignment = info.alignment; - if ((info.flags & JUSTIFY) != 0) justify = info.justify; - if ((info.flags & SEGMENTS) != 0) segments = info.segments; - } - } - if (bulletsIndices != null) { - bullets = null; - bulletsIndices = null; - } - if (bullets != null) { - for (int i = 0; i < bullets.length; i++) { - if (bullets[i].indexOf(lineIndex) != -1) { - bullet = bullets[i]; - break; - } - } - } - ranges = this.ranges; - styles = this.styles; - styleCount = this.styleCount; - if (ranges != null) { - rangeStart = getRangeIndex(lineOffset, -1, styleCount << 1); - } else { - rangeStart = getRangeIndex(lineOffset, -1, styleCount); - } - } - if (bullet != null) { - StyleRange style = bullet.style; - GlyphMetrics metrics = style.metrics; - indent += metrics.width; - } - layout.setFont(regularFont); - layout.setAscent(ascent); - layout.setDescent(descent); - layout.setText(line); - layout.setOrientation(orientation); - layout.setSegments(segments); - layout.setWidth(width); - layout.setSpacing(lineSpacing); - layout.setTabs(new int[]{tabWidth}); - layout.setIndent(indent); - layout.setAlignment(alignment); - layout.setJustify(justify); - - int lastOffset = 0; - int length = line.length(); - if (styles != null) { - if (ranges != null) { - int rangeCount = styleCount << 1; - for (int i = rangeStart; i < rangeCount; i += 2) { - int start, end; - if (lineOffset > ranges[i]) { - start = 0; - end = Math.min (length, ranges[i + 1] - lineOffset + ranges[i]); - } else { - start = ranges[i] - lineOffset; - end = Math.min(length, start + ranges[i + 1]); - } - if (start >= length) break; - if (lastOffset < start) { - layout.setStyle(null, lastOffset, start - 1); - } - layout.setStyle(getStyleRange(styles[i >> 1]), start, end); - lastOffset = Math.max(lastOffset, end); - } - } else { - for (int i = rangeStart; i < styleCount; i++) { - int start, end; - if (lineOffset > styles[i].start) { - start = 0; - end = Math.min (length, styles[i].length - lineOffset + styles[i].start); - } else { - start = styles[i].start - lineOffset; - end = Math.min(length, start + styles[i].length); - } - if (start >= length) break; - if (lastOffset < start) { - layout.setStyle(null, lastOffset, start - 1); - } - layout.setStyle(getStyleRange(styles[i]), start, end); - lastOffset = Math.max(lastOffset, end); - } - } - } - if (lastOffset < length) layout.setStyle(null, lastOffset, length); - if (styledText != null && styledText.ime != null) { - IME ime = styledText.ime; - int compositionOffset = ime.getCompositionOffset(); - if (compositionOffset != -1) { - int commitCount = ime.getCommitCount(); - int compositionLength = ime.getText().length(); - if (compositionLength != commitCount) { - int compositionLine = content.getLineAtOffset(compositionOffset); - if (compositionLine == lineIndex) { - int[] imeRanges = ime.getRanges(); - TextStyle[] imeStyles = ime.getStyles(); - if (imeRanges.length > 0) { - for (int i = 0; i < imeStyles.length; i++) { - int start = imeRanges[i*2] - lineOffset; - int end = imeRanges[i*2+1] - lineOffset; - TextStyle imeStyle = imeStyles[i], userStyle; - for (int j = start; j <= end; j++) { - userStyle = layout.getStyle(j); - if (userStyle == null && j > 0) userStyle = layout.getStyle(j - 1); - if (userStyle == null && j + 1 < length) userStyle = layout.getStyle(j + 1); - if (userStyle == null) { - layout.setStyle(imeStyle, j, j); - } else { - TextStyle newStyle = new TextStyle(imeStyle); - if (newStyle.font == null) newStyle.font = userStyle.font; - if (newStyle.foreground == null) newStyle.foreground = userStyle.foreground; - if (newStyle.background == null) newStyle.background = userStyle.background; - layout.setStyle(newStyle, j, j); - } - } - } - } else { - int start = compositionOffset - lineOffset; - int end = start + compositionLength - 1; - TextStyle userStyle = layout.getStyle(start); - if (userStyle == null) { - if (start > 0) userStyle = layout.getStyle(start - 1); - if (userStyle == null && end + 1 < length) userStyle = layout.getStyle(end + 1); - if (userStyle != null) { - TextStyle newStyle = new TextStyle(); - newStyle.font = userStyle.font; - newStyle.foreground = userStyle.foreground; - newStyle.background = userStyle.background; - layout.setStyle(newStyle, start, end); - } - } - } - } - } - } - } - - if (styledText != null && styledText.isFixedLineHeight()) { - int index = -1; - int lineCount = layout.getLineCount(); - int height = getLineHeight(); - for (int i = 0; i < lineCount; i++) { - int lineHeight = layout.getLineBounds(i).height; - if (lineHeight > height) { - height = lineHeight; - index = i; - } - } - if (index != -1) { - FontMetrics metrics = layout.getLineMetrics(index); - ascent = metrics.getAscent() + metrics.getLeading(); - descent = metrics.getDescent(); - if (layouts != null) { - for (int i = 0; i < layouts.length; i++) { - if (layouts[i] != null && layouts[i] != layout) { - layouts[i].setAscent(ascent); - layouts[i].setDescent(descent); - } - } - } - if (styledText.verticalScrollOffset != 0) { - int topIndex = styledText.topIndex; - int topIndexY = styledText.topIndexY; - int lineHeight = getLineHeight(); - if (topIndexY >= 0) { - styledText.verticalScrollOffset = (topIndex - 1) * lineHeight + lineHeight - topIndexY; - } else { - styledText.verticalScrollOffset = topIndex * lineHeight - topIndexY; - } - } - styledText.calculateScrollBars(); - if (styledText.isBidiCaret()) styledText.createCaretBitmaps(); - styledText.caretDirection = SWT.NULL; - styledText.setCaretLocation(); - styledText.redraw(); - } - } - return layout; -} -int getWidth() { - return maxWidth; -} -void reset() { - if (layouts != null) { - for (int i = 0; i < layouts.length; i++) { - TextLayout layout = layouts[i]; - if (layout != null) layout.dispose(); - } - layouts = null; - } - topIndex = -1; - stylesSetCount = styleCount = lineCount = 0; - ranges = null; - styles = null; - stylesSet = null; - lines = null; - lineWidth = null; - lineHeight = null; - bullets = null; - bulletsIndices = null; - redrawLines = null; - hasLinks = false; -} -void reset(int startLine, int lineCount) { - int endLine = startLine + lineCount; - if (startLine < 0 || endLine > lineWidth.length) return; - for (int i = startLine; i < endLine; i++) { - lineWidth[i] = -1; - lineHeight[i] = -1; - } - if (startLine <= maxWidthLineIndex && maxWidthLineIndex < endLine) { - maxWidth = 0; - maxWidthLineIndex = -1; - if (lineCount != this.lineCount) { - for (int i = 0; i < this.lineCount; i++) { - if (lineWidth[i] > maxWidth) { - maxWidth = lineWidth[i]; - maxWidthLineIndex = i; - } - } - } - } -} -void setContent(StyledTextContent content) { - reset(); - this.content = content; - lineCount = content.getLineCount(); - lineWidth = new int[lineCount]; - lineHeight = new int[lineCount]; - reset(0, lineCount); -} -void setFont(Font font, int tabs) { - TextLayout layout = new TextLayout(device); - layout.setFont(regularFont); - if (font != null) { - if (boldFont != null) boldFont.dispose(); - if (italicFont != null) italicFont.dispose(); - if (boldItalicFont != null) boldItalicFont.dispose(); - boldFont = italicFont = boldItalicFont = null; - regularFont = font; - layout.setText(" "); - layout.setFont(font); - layout.setStyle(new TextStyle(getFont(SWT.NORMAL), null, null), 0, 0); - layout.setStyle(new TextStyle(getFont(SWT.BOLD), null, null), 1, 1); - layout.setStyle(new TextStyle(getFont(SWT.ITALIC), null, null), 2, 2); - layout.setStyle(new TextStyle(getFont(SWT.BOLD | SWT.ITALIC), null, null), 3, 3); - FontMetrics metrics = layout.getLineMetrics(0); - ascent = metrics.getAscent() + metrics.getLeading(); - descent = metrics.getDescent(); - boldFont.dispose(); - italicFont.dispose(); - boldItalicFont.dispose(); - boldFont = italicFont = boldItalicFont = null; - } - layout.dispose(); - layout = new TextLayout(device); - layout.setFont(regularFont); - StringBuffer tabBuffer = new StringBuffer(tabs); - for (int i = 0; i < tabs; i++) { - tabBuffer.append(' '); - } - layout.setText(tabBuffer.toString()); - tabWidth = layout.getBounds().width; - layout.dispose(); - if (styledText != null) { - GC gc = new GC(styledText); - averageCharWidth = gc.getFontMetrics().getAverageCharWidth(); - fixedPitch = gc.stringExtent("l").x == gc.stringExtent("W").x; //$NON-NLS-1$ //$NON-NLS-2$ - gc.dispose(); - } -} -void setLineAlignment(int startLine, int count, int alignment) { - if (lines == null) lines = new LineInfo[lineCount]; - for (int i = startLine; i < startLine + count; i++) { - if (lines[i] == null) { - lines[i] = new LineInfo(); - } - lines[i].flags |= ALIGNMENT; - lines[i].alignment = alignment; - } -} -void setLineBackground(int startLine, int count, Color background) { - if (lines == null) lines = new LineInfo[lineCount]; - for (int i = startLine; i < startLine + count; i++) { - if (lines[i] == null) { - lines[i] = new LineInfo(); - } - lines[i].flags |= BACKGROUND; - lines[i].background = background; - } -} -void setLineBullet(int startLine, int count, Bullet bullet) { - if (bulletsIndices != null) { - bulletsIndices = null; - bullets = null; - } - if (bullets == null) { - if (bullet == null) return; - bullets = new Bullet[1]; - bullets[0] = bullet; - } - int index = 0; - while (index < bullets.length) { - if (bullet == bullets[index]) break; - index++; - } - if (bullet != null) { - if (index == bullets.length) { - Bullet[] newBulletsList = new Bullet[bullets.length + 1]; - System.arraycopy(bullets, 0, newBulletsList, 0, bullets.length); - newBulletsList[index] = bullet; - bullets = newBulletsList; - } - bullet.addIndices(startLine, count); - } else { - updateBullets(startLine, count, 0, false); - styledText.redrawLinesBullet(redrawLines); - redrawLines = null; - } -} -void setLineIndent(int startLine, int count, int indent) { - if (lines == null) lines = new LineInfo[lineCount]; - for (int i = startLine; i < startLine + count; i++) { - if (lines[i] == null) { - lines[i] = new LineInfo(); - } - lines[i].flags |= INDENT; - lines[i].indent = indent; - } -} -void setLineJustify(int startLine, int count, boolean justify) { - if (lines == null) lines = new LineInfo[lineCount]; - for (int i = startLine; i < startLine + count; i++) { - if (lines[i] == null) { - lines[i] = new LineInfo(); - } - lines[i].flags |= JUSTIFY; - lines[i].justify = justify; - } -} -void setLineSegments(int startLine, int count, int[] segments) { - if (lines == null) lines = new LineInfo[lineCount]; - for (int i = startLine; i < startLine + count; i++) { - if (lines[i] == null) { - lines[i] = new LineInfo(); - } - lines[i].flags |= SEGMENTS; - lines[i].segments = segments; - } -} -void setStyleRanges (int[] newRanges, StyleRange[] newStyles) { - if (newStyles == null) { - stylesSetCount = styleCount = 0; - ranges = null; - styles = null; - stylesSet = null; - hasLinks = false; - return; - } - if (newRanges == null && COMPACT_STYLES) { - newRanges = new int[newStyles.length << 1]; - StyleRange[] tmpStyles = new StyleRange[newStyles.length]; - if (stylesSet == null) stylesSet = new StyleRange[4]; - for (int i = 0, j = 0; i < newStyles.length; i++) { - StyleRange newStyle = newStyles[i]; - newRanges[j++] = newStyle.start; - newRanges[j++] = newStyle.length; - int index = 0; - while (index < stylesSetCount) { - if (stylesSet[index].similarTo(newStyle)) break; - index++; - } - if (index == stylesSetCount) { - if (stylesSetCount == stylesSet.length) { - StyleRange[] tmpStylesSet = new StyleRange[stylesSetCount + 4]; - System.arraycopy(stylesSet, 0, tmpStylesSet, 0, stylesSetCount); - stylesSet = tmpStylesSet; - } - stylesSet[stylesSetCount++] = newStyle; - } - tmpStyles[i] = stylesSet[index]; - } - newStyles = tmpStyles; - } - - if (styleCount == 0) { - if (newRanges != null) { - ranges = new int[newRanges.length]; - System.arraycopy(newRanges, 0, ranges, 0, ranges.length); - } - styles = new StyleRange[newStyles.length]; - System.arraycopy(newStyles, 0, styles, 0, styles.length); - styleCount = newStyles.length; - return; - } - if (newRanges != null && ranges == null) { - ranges = new int[styles.length << 1]; - for (int i = 0, j = 0; i < styleCount; i++) { - ranges[j++] = styles[i].start; - ranges[j++] = styles[i].length; - } - } - if (newRanges == null && ranges != null) { - newRanges = new int[newStyles.length << 1]; - for (int i = 0, j = 0; i < newStyles.length; i++) { - newRanges[j++] = newStyles[i].start; - newRanges[j++] = newStyles[i].length; - } - } - if (ranges != null) { - int rangeCount = styleCount << 1; - int start = newRanges[0]; - int modifyStart = getRangeIndex(start, -1, rangeCount), modifyEnd; - boolean insert = modifyStart == rangeCount; - if (!insert) { - int end = newRanges[newRanges.length - 2] + newRanges[newRanges.length - 1]; - modifyEnd = getRangeIndex(end, modifyStart - 1, rangeCount); - insert = modifyStart == modifyEnd && ranges[modifyStart] >= end; - } - if (insert) { - addMerge(newRanges, newStyles, newRanges.length, modifyStart, modifyStart); - return; - } - modifyEnd = modifyStart; - int[] mergeRanges = new int[6]; - StyleRange[] mergeStyles = new StyleRange[3]; - for (int i = 0; i < newRanges.length; i += 2) { - int newStart = newRanges[i]; - int newEnd = newStart + newRanges[i + 1]; - if (newStart == newEnd) continue; - int modifyLast = 0, mergeCount = 0; - while (modifyEnd < rangeCount) { - if (newStart >= ranges[modifyStart] + ranges[modifyStart + 1]) modifyStart += 2; - if (ranges[modifyEnd] + ranges[modifyEnd + 1] > newEnd) break; - modifyEnd += 2; - } - if (ranges[modifyStart] < newStart && newStart < ranges[modifyStart] + ranges[modifyStart + 1]) { - mergeStyles[mergeCount >> 1] = styles[modifyStart >> 1]; - mergeRanges[mergeCount] = ranges[modifyStart]; - mergeRanges[mergeCount + 1] = newStart - ranges[modifyStart]; - mergeCount += 2; - } - mergeStyles[mergeCount >> 1] = newStyles[i >> 1]; - mergeRanges[mergeCount] = newStart; - mergeRanges[mergeCount + 1] = newRanges[i + 1]; - mergeCount += 2; - if (modifyEnd < rangeCount && ranges[modifyEnd] < newEnd && newEnd < ranges[modifyEnd] + ranges[modifyEnd + 1]) { - mergeStyles[mergeCount >> 1] = styles[modifyEnd >> 1]; - mergeRanges[mergeCount] = newEnd; - mergeRanges[mergeCount + 1] = ranges[modifyEnd] + ranges[modifyEnd + 1] - newEnd; - mergeCount += 2; - modifyLast = 2; - } - int grow = addMerge(mergeRanges, mergeStyles, mergeCount, modifyStart, modifyEnd + modifyLast); - rangeCount += grow; - modifyStart = modifyEnd += grow; - } - } else { - int start = newStyles[0].start; - int modifyStart = getRangeIndex(start, -1, styleCount), modifyEnd; - boolean insert = modifyStart == styleCount; - if (!insert) { - int end = newStyles[newStyles.length - 1].start + newStyles[newStyles.length - 1].length; - modifyEnd = getRangeIndex(end, modifyStart - 1, styleCount); - insert = modifyStart == modifyEnd && styles[modifyStart].start >= end; - } - if (insert) { - addMerge(newStyles, newStyles.length, modifyStart, modifyStart); - return; - } - modifyEnd = modifyStart; - StyleRange[] mergeStyles = new StyleRange[3]; - for (int i = 0; i < newStyles.length; i++) { - StyleRange newStyle = newStyles[i], style; - int newStart = newStyle.start; - int newEnd = newStart + newStyle.length; - if (newStart == newEnd) continue; - int modifyLast = 0, mergeCount = 0; - while (modifyEnd < styleCount) { - if (newStart >= styles[modifyStart].start + styles[modifyStart].length) modifyStart++; - if (styles[modifyEnd].start + styles[modifyEnd].length > newEnd) break; - modifyEnd++; - } - style = styles[modifyStart]; - if (style.start < newStart && newStart < style.start + style.length) { - style = mergeStyles[mergeCount++] = (StyleRange)style.clone(); - style.length = newStart - style.start; - } - mergeStyles[mergeCount++] = newStyle; - if (modifyEnd < styleCount) { - style = styles[modifyEnd]; - if (style.start < newEnd && newEnd < style.start + style.length) { - style = mergeStyles[mergeCount++] = (StyleRange)style.clone(); - style.length += style.start - newEnd; - style.start = newEnd; - modifyLast = 1; - } - } - int grow = addMerge(mergeStyles, mergeCount, modifyStart, modifyEnd + modifyLast); - modifyStart = modifyEnd += grow; - } - } -} -void textChanging(TextChangingEvent event) { - int start = event.start; - int newCharCount = event.newCharCount, replaceCharCount = event.replaceCharCount; - int newLineCount = event.newLineCount, replaceLineCount = event.replaceLineCount; - - updateRanges(start, replaceCharCount, newCharCount); - - int startLine = content.getLineAtOffset(start); - if (replaceCharCount == content.getCharCount()) lines = null; - if (replaceLineCount == lineCount) { - lineCount = newLineCount; - lineWidth = new int[lineCount]; - lineHeight = new int[lineCount]; - reset(0, lineCount); - } else { - int delta = newLineCount - replaceLineCount; - if (lineCount + delta > lineWidth.length) { - int[] newWidths = new int[lineCount + delta + GROW]; - System.arraycopy(lineWidth, 0, newWidths, 0, lineCount); - lineWidth = newWidths; - int[] newHeights = new int[lineCount + delta + GROW]; - System.arraycopy(lineHeight, 0, newHeights, 0, lineCount); - lineHeight = newHeights; - } - if (lines != null) { - if (lineCount + delta > lines.length) { - LineInfo[] newLines = new LineInfo[lineCount + delta + GROW]; - System.arraycopy(lines, 0, newLines, 0, lineCount); - lines = newLines; - } - } - int startIndex = startLine + replaceLineCount + 1; - int endIndex = startLine + newLineCount + 1; - System.arraycopy(lineWidth, startIndex, lineWidth, endIndex, lineCount - startIndex); - System.arraycopy(lineHeight, startIndex, lineHeight, endIndex, lineCount - startIndex); - for (int i = startLine; i < endIndex; i++) { - lineWidth[i] = lineHeight[i] = -1; - } - for (int i = lineCount + delta; i < lineCount; i++) { - lineWidth[i] = lineHeight[i] = -1; - } - if (layouts != null) { - int layoutStartLine = startLine - topIndex; - int layoutEndLine = layoutStartLine + replaceLineCount + 1; - for (int i = layoutStartLine; i < layoutEndLine; i++) { - if (0 <= i && i < layouts.length) { - if (layouts[i] != null) layouts[i].dispose(); - layouts[i] = null; - if (bullets != null && bulletsIndices != null) bullets[i] = null; - } - } - if (delta > 0) { - for (int i = layouts.length - 1; i >= layoutEndLine; i--) { - if (0 <= i && i < layouts.length) { - endIndex = i + delta; - if (0 <= endIndex && endIndex < layouts.length) { - layouts[endIndex] = layouts[i]; - layouts[i] = null; - if (bullets != null && bulletsIndices != null) { - bullets[endIndex] = bullets[i]; - bulletsIndices[endIndex] = bulletsIndices[i]; - bullets[i] = null; - } - } else { - if (layouts[i] != null) layouts[i].dispose(); - layouts[i] = null; - if (bullets != null && bulletsIndices != null) bullets[i] = null; - } - } - } - } else if (delta < 0) { - for (int i = layoutEndLine; i < layouts.length; i++) { - if (0 <= i && i < layouts.length) { - endIndex = i + delta; - if (0 <= endIndex && endIndex < layouts.length) { - layouts[endIndex] = layouts[i]; - layouts[i] = null; - if (bullets != null && bulletsIndices != null) { - bullets[endIndex] = bullets[i]; - bulletsIndices[endIndex] = bulletsIndices[i]; - bullets[i] = null; - } - } else { - if (layouts[i] != null) layouts[i].dispose(); - layouts[i] = null; - if (bullets != null && bulletsIndices != null) bullets[i] = null; - } - } - } - } - } - if (replaceLineCount != 0 || newLineCount != 0) { - int startLineOffset = content.getOffsetAtLine(startLine); - if (startLineOffset != start) startLine++; - updateBullets(startLine, replaceLineCount, newLineCount, true); - if (lines != null) { - startIndex = startLine + replaceLineCount; - endIndex = startLine + newLineCount; - System.arraycopy(lines, startIndex, lines, endIndex, lineCount - startIndex); - for (int i = startLine; i < endIndex; i++) { - lines[i] = null; - } - for (int i = lineCount + delta; i < lineCount; i++) { - lines[i] = null; - } - } - } - lineCount += delta; - if (maxWidthLineIndex != -1 && startLine <= maxWidthLineIndex && maxWidthLineIndex <= startLine + replaceLineCount) { - maxWidth = 0; - maxWidthLineIndex = -1; - for (int i = 0; i < lineCount; i++) { - if (lineWidth[i] > maxWidth) { - maxWidth = lineWidth[i]; - maxWidthLineIndex = i; - } - } - } - } -} -void updateBullets(int startLine, int replaceLineCount, int newLineCount, boolean update) { - if (bullets == null) return; - if (bulletsIndices != null) return; - for (int i = 0; i < bullets.length; i++) { - Bullet bullet = bullets[i]; - int[] lines = bullet.removeIndices(startLine, replaceLineCount, newLineCount, update); - if (lines != null) { - if (redrawLines == null) { - redrawLines = lines; - } else { - int[] newRedrawBullets = new int[redrawLines.length + lines.length]; - System.arraycopy(redrawLines, 0, newRedrawBullets, 0, redrawLines.length); - System.arraycopy(lines, 0, newRedrawBullets, redrawLines.length, lines.length); - redrawLines = newRedrawBullets; - } - } - } - int removed = 0; - for (int i = 0; i < bullets.length; i++) { - if (bullets[i].size() == 0) removed++; - } - if (removed > 0) { - if (removed == bullets.length) { - bullets = null; - } else { - Bullet[] newBulletsList = new Bullet[bullets.length - removed]; - for (int i = 0, j = 0; i < bullets.length; i++) { - Bullet bullet = bullets[i]; - if (bullet.size() > 0) newBulletsList[j++] = bullet; - } - bullets = newBulletsList; - } - } -} -void updateRanges(int start, int replaceCharCount, int newCharCount) { - if (styleCount == 0 || (replaceCharCount == 0 && newCharCount == 0)) return; - if (ranges != null) { - int rangeCount = styleCount << 1; - int modifyStart = getRangeIndex(start, -1, rangeCount); - if (modifyStart == rangeCount) return; - int end = start + replaceCharCount; - int modifyEnd = getRangeIndex(end, modifyStart - 1, rangeCount); - int offset = newCharCount - replaceCharCount; - if (modifyStart == modifyEnd && ranges[modifyStart] < start && end < ranges[modifyEnd] + ranges[modifyEnd + 1]) { - if (newCharCount == 0) { - ranges[modifyStart + 1] -= replaceCharCount; - modifyEnd += 2; - } else { - if (rangeCount + 2 > ranges.length) { - int[] newRanges = new int[ranges.length + (GROW << 1)]; - System.arraycopy(ranges, 0, newRanges, 0, rangeCount); - ranges = newRanges; - StyleRange[] newStyles = new StyleRange[styles.length + GROW]; - System.arraycopy(styles, 0, newStyles, 0, styleCount); - styles = newStyles; - } - System.arraycopy(ranges, modifyStart + 2, ranges, modifyStart + 4, rangeCount - (modifyStart + 2)); - System.arraycopy(styles, (modifyStart + 2) >> 1, styles, (modifyStart + 4) >> 1, styleCount - ((modifyStart + 2) >> 1)); - ranges[modifyStart + 3] = ranges[modifyStart] + ranges[modifyStart + 1] - end; - ranges[modifyStart + 2] = start + newCharCount; - ranges[modifyStart + 1] = start - ranges[modifyStart]; - styles[(modifyStart >> 1) + 1] = styles[modifyStart >> 1]; - rangeCount += 2; - styleCount++; - modifyEnd += 4; - } - if (offset != 0) { - for (int i = modifyEnd; i < rangeCount; i += 2) { - ranges[i] += offset; - } - } - } else { - if (ranges[modifyStart] < start && start < ranges[modifyStart] + ranges[modifyStart + 1]) { - ranges[modifyStart + 1] = start - ranges[modifyStart]; - modifyStart += 2; - } - if (modifyEnd < rangeCount && ranges[modifyEnd] < end && end < ranges[modifyEnd] + ranges[modifyEnd + 1]) { - ranges[modifyEnd + 1] = ranges[modifyEnd] + ranges[modifyEnd + 1] - end; - ranges[modifyEnd] = end; - } - if (offset != 0) { - for (int i = modifyEnd; i < rangeCount; i += 2) { - ranges[i] += offset; - } - } - System.arraycopy(ranges, modifyEnd, ranges, modifyStart, rangeCount - modifyEnd); - System.arraycopy(styles, modifyEnd >> 1, styles, modifyStart >> 1, styleCount - (modifyEnd >> 1)); - styleCount -= (modifyEnd - modifyStart) >> 1; - } - } else { - int modifyStart = getRangeIndex(start, -1, styleCount); - if (modifyStart == styleCount) return; - int end = start + replaceCharCount; - int modifyEnd = getRangeIndex(end, modifyStart - 1, styleCount); - int offset = newCharCount - replaceCharCount; - if (modifyStart == modifyEnd && styles[modifyStart].start < start && end < styles[modifyEnd].start + styles[modifyEnd].length) { - if (newCharCount == 0) { - styles[modifyStart].length -= replaceCharCount; - modifyEnd++; - } else { - if (styleCount + 1 > styles.length) { - StyleRange[] newStyles = new StyleRange[styles.length + GROW]; - System.arraycopy(styles, 0, newStyles, 0, styleCount); - styles = newStyles; - } - System.arraycopy(styles, modifyStart + 1, styles, modifyStart + 2, styleCount - (modifyStart + 1)); - styles[modifyStart + 1] = (StyleRange)styles[modifyStart].clone(); - styles[modifyStart + 1].length = styles[modifyStart].start + styles[modifyStart].length - end; - styles[modifyStart + 1].start = start + newCharCount; - styles[modifyStart].length = start - styles[modifyStart].start; - styleCount++; - modifyEnd += 2; - } - if (offset != 0) { - for (int i = modifyEnd; i < styleCount; i++) { - styles[i].start += offset; - } - } - } else { - if (styles[modifyStart].start < start && start < styles[modifyStart].start + styles[modifyStart].length) { - styles[modifyStart].length = start - styles[modifyStart].start; - modifyStart++; - } - if (modifyEnd < styleCount && styles[modifyEnd].start < end && end < styles[modifyEnd].start + styles[modifyEnd].length) { - styles[modifyEnd].length = styles[modifyEnd].start + styles[modifyEnd].length - end; - styles[modifyEnd].start = end; - } - if (offset != 0) { - for (int i = modifyEnd; i < styleCount; i++) { - styles[i].start += offset; - } - } - System.arraycopy(styles, modifyEnd, styles, modifyStart, styleCount - modifyEnd); - styleCount -= modifyEnd - modifyStart; - } - } -} -} |