protected void paintSyntaxLine( Graphics gfx, TokenMarker tokenMarker, int line, Font defaultFont, Color defaultColor, int x, int y) { textArea.getLineText(currentLineIndex, currentLine); currentLineTokens = tokenMarker.markTokens(currentLine, currentLineIndex); paintHighlight(gfx, line, y); gfx.setFont(defaultFont); gfx.setColor(defaultColor); y += fm.getHeight(); x = SyntaxUtilities.paintSyntaxLine(currentLine, currentLineTokens, styles, this, gfx, x, y); /* * Draw characters via input method. */ if (compositionTextPainter != null && compositionTextPainter.hasComposedTextLayout()) { compositionTextPainter.draw(gfx, lineHighlightColor); } if (eolMarkers) { gfx.setColor(eolMarkerColor); gfx.drawString(".", x, y); } }
protected void paintPlainLine( Graphics gfx, int line, Font defaultFont, Color defaultColor, int x, int y) { paintHighlight(gfx, line, y); textArea.getLineText(line, currentLine); gfx.setFont(defaultFont); gfx.setColor(defaultColor); y += fm.getHeight(); x = Utilities.drawTabbedText(currentLine, x, y, gfx, this, 0); if (eolMarkers) { gfx.setColor(eolMarkerColor); gfx.drawString(".", x, y); } }
protected void paintLine(Graphics gfx, TokenMarker tokenMarker, int line, int x) { Font defaultFont = getFont(); Color defaultColor = getForeground(); currentLineIndex = line; int y = textArea.lineToY(line); if (line < 0 || line >= textArea.getLineCount()) { if (paintInvalid) { paintHighlight(gfx, line, y); styles[Token.INVALID].setGraphicsFlags(gfx, defaultFont); gfx.drawString("~", 0, y + fm.getHeight()); } } else if (tokenMarker == null) { paintPlainLine(gfx, line, defaultFont, defaultColor, x, y); } else { paintSyntaxLine(gfx, tokenMarker, line, defaultFont, defaultColor, x, y); } }
protected void paintPlainLine( Graphics gfx, int line, Font defaultFont, Color defaultColor, int x, int y) { paintHighlight(gfx, line, y); textArea.getLineText(line, currentLine); gfx.setFont(defaultFont); gfx.setColor(defaultColor); y += fm.getHeight(); x = Utilities.drawTabbedText(currentLine, x, y, gfx, this, 0); // Draw characters via input method. if (compositionTextPainter != null && compositionTextPainter.hasComposedTextLayout()) { compositionTextPainter.draw(gfx, lineHighlightColor); } if (eolMarkers) { gfx.setColor(eolMarkerColor); gfx.drawString(".", x, y); } }
/** * Draw the line numbers * * @param g */ @Override public void paintComponent(Graphics g) { super.paintComponent(g); ((Graphics2D) g) .setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON); // Determine the width of the space available to draw the line number FontMetrics fontMetrics = component.getFontMetrics(component.getFont()); Insets insets = getInsets(); int availableWidth = getSize().width - insets.left - insets.right; // Determine the rows to draw within the clipped bounds. Rectangle clip = g.getClipBounds(); int rowStartOffset = component.viewToModel(new Point(0, clip.y)); int endOffset = component.viewToModel(new Point(0, clip.y + clip.height)); while (rowStartOffset <= endOffset) { try { if (isCurrentLine(rowStartOffset)) g.setColor(getCurrentLineForeground()); else g.setColor(getForeground()); // Get the line number as a string and then determine the // "X" and "Y" offsets for drawing the string. String lineNumber = getTextLineNumber(rowStartOffset); int stringWidth = fontMetrics.stringWidth(lineNumber); int x = getOffsetX(availableWidth, stringWidth) + insets.left; int y = getOffsetY(rowStartOffset, fontMetrics); g.drawString(lineNumber, x, y); // Move to the next row rowStartOffset = Utilities.getRowEnd(component, rowStartOffset) + 1; } catch (Exception e) { break; } } }
protected void paintSyntaxLine( Graphics gfx, TokenMarker tokenMarker, int line, Font defaultFont, Color defaultColor, int x, int y) { textArea.getLineText(currentLineIndex, currentLine); currentLineTokens = tokenMarker.markTokens(currentLine, currentLineIndex); paintHighlight(gfx, line, y); gfx.setFont(defaultFont); gfx.setColor(defaultColor); y += fm.getHeight(); x = SyntaxUtilities.paintSyntaxLine(currentLine, currentLineTokens, styles, this, gfx, x, y); if (eolMarkers) { gfx.setColor(eolMarkerColor); gfx.drawString(".", x, y); } }