protected void paintCaret(Graphics gfx, int line, int y) {
    // System.out.println("painting caret " + line + " " + y);
    if (textArea.isCaretVisible()) {
      // System.out.println("caret is visible");
      int offset = textArea.getCaretPosition() - textArea.getLineStartOffset(line);
      int caretX = textArea._offsetToX(line, offset);
      int caretWidth = ((blockCaret || textArea.isOverwriteEnabled()) ? fm.charWidth('w') : 1);
      y += fm.getLeading() + fm.getMaxDescent();
      int height = fm.getHeight();

      // System.out.println("caretX, width = " + caretX + " " + caretWidth);

      gfx.setColor(caretColor);

      if (textArea.isOverwriteEnabled()) {
        gfx.fillRect(caretX, y + height - 1, caretWidth, 1);

      } else {
        // some machines don't like the drawRect for the single
        // pixel caret.. this caused a lot of hell because on that
        // minority of machines, the caret wouldn't show up past
        // the first column. the fix is to use drawLine() in
        // those cases, as a workaround.
        if (caretWidth == 1) {
          gfx.drawLine(caretX, y, caretX, y + height - 1);
        } else {
          gfx.drawRect(caretX, y, caretWidth - 1, height - 1);
        }
        // gfx.drawRect(caretX, y, caretWidth, height - 1);
      }
    }
  }
  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);
    }
  }
Beispiel #3
0
 public ColorPane() {
   super();
   Font font = new Font("Monospaced", Font.PLAIN, 12);
   FontMetrics fm = getFontMetrics(font);
   lineHeight = fm.getHeight();
   setFont(font);
   setBorder(BorderFactory.createEmptyBorder(5, 5, 5, 5));
 }
  protected void paintLineHighlight(Graphics gfx, int line, int y) {
    int height = fm.getHeight();
    y += fm.getLeading() + fm.getMaxDescent();

    int selectionStart = textArea.getSelectionStart();
    int selectionEnd = textArea.getSelectionStop();

    if (selectionStart == selectionEnd) {
      if (lineHighlight) {
        gfx.setColor(lineHighlightColor);
        gfx.fillRect(0, y, getWidth(), height);
      }
    } else {
      gfx.setColor(selectionColor);

      int selectionStartLine = textArea.getSelectionStartLine();
      int selectionEndLine = textArea.getSelectionStopLine();
      int lineStart = textArea.getLineStartOffset(line);

      int x1, x2;
      if (textArea.isSelectionRectangular()) {
        int lineLen = textArea.getLineLength(line);
        x1 =
            textArea._offsetToX(
                line,
                Math.min(
                    lineLen, selectionStart - textArea.getLineStartOffset(selectionStartLine)));
        x2 =
            textArea._offsetToX(
                line,
                Math.min(lineLen, selectionEnd - textArea.getLineStartOffset(selectionEndLine)));
        if (x1 == x2) x2++;
      } else if (selectionStartLine == selectionEndLine) {
        x1 = textArea._offsetToX(line, selectionStart - lineStart);
        x2 = textArea._offsetToX(line, selectionEnd - lineStart);
      } else if (line == selectionStartLine) {
        x1 = textArea._offsetToX(line, selectionStart - lineStart);
        x2 = getWidth();
      } else if (line == selectionEndLine) {
        // x1 = 0;
        // hack from stendahl to avoid doing weird side selection thing
        x1 = textArea._offsetToX(line, 0);
        // attempt at getting the gutter too, but doesn't seem to work
        // x1 = textArea._offsetToX(line, -textArea.getHorizontalOffset());
        x2 = textArea._offsetToX(line, selectionEnd - lineStart);
      } else {
        // x1 = 0;
        // hack from stendahl to avoid doing weird side selection thing
        x1 = textArea._offsetToX(line, 0);
        // attempt at getting the gutter too, but doesn't seem to work
        // x1 = textArea._offsetToX(line, -textArea.getHorizontalOffset());
        x2 = getWidth();
      }

      // "inlined" min/max()
      gfx.fillRect(x1 > x2 ? x2 : x1, y, x1 > x2 ? (x1 - x2) : (x2 - x1), height);
    }
  }
Beispiel #5
0
 protected void paintBracketHighlight(Graphics gfx, int line, int y) {
   int position = textArea.getBracketPosition();
   if (position == -1) return;
   y += fm.getLeading() + fm.getMaxDescent();
   int x = textArea._offsetToX(line, position);
   gfx.setColor(bracketHighlightColor);
   // Hack!!! Since there is no fast way to get the character
   // from the bracket matching routine, we use ( since all
   // brackets probably have the same width anyway
   gfx.drawRect(x, y, fm.charWidth('(') - 1, fm.getHeight() - 1);
 }
Beispiel #6
0
  protected void paintLineHighlight(Graphics gfx, int line, int y) {
    int height = fm.getHeight();
    y += fm.getLeading() + fm.getMaxDescent();

    int selectionStart = textArea.getSelectionStart();
    int selectionEnd = textArea.getSelectionEnd();

    if (selectionStart == selectionEnd) {
      if (lineHighlight) {
        gfx.setColor(lineHighlightColor);
        gfx.fillRect(0, y, getWidth(), height);
      }
    } else {
      gfx.setColor(selectionColor);

      int selectionStartLine = textArea.getSelectionStartLine();
      int selectionEndLine = textArea.getSelectionEndLine();
      int lineStart = textArea.getLineStartOffset(line);

      int x1, x2;
      if (textArea.isSelectionRectangular()) {
        int lineLen = textArea.getLineLength(line);
        x1 =
            textArea._offsetToX(
                line,
                Math.min(
                    lineLen, selectionStart - textArea.getLineStartOffset(selectionStartLine)));
        x2 =
            textArea._offsetToX(
                line,
                Math.min(lineLen, selectionEnd - textArea.getLineStartOffset(selectionEndLine)));
        if (x1 == x2) x2++;
      } else if (selectionStartLine == selectionEndLine) {
        x1 = textArea._offsetToX(line, selectionStart - lineStart);
        x2 = textArea._offsetToX(line, selectionEnd - lineStart);
      } else if (line == selectionStartLine) {
        x1 = textArea._offsetToX(line, selectionStart - lineStart);
        x2 = getWidth();
      } else if (line == selectionEndLine) {
        x1 = 0;
        x2 = textArea._offsetToX(line, selectionEnd - lineStart);
      } else {
        x1 = 0;
        x2 = getWidth();
      }

      // "inlined" min/max()
      gfx.fillRect(x1 > x2 ? x2 : x1, y, x1 > x2 ? (x1 - x2) : (x2 - x1), height);
    }
  }
Beispiel #7
0
  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);
    }
  }
Beispiel #8
0
  protected void paintCaret(Graphics gfx, int line, int y) {
    if (textArea.isCaretVisible()) {
      int offset = textArea.getCaretPosition() - textArea.getLineStartOffset(line);
      int caretX = textArea._offsetToX(line, offset);
      int caretWidth = ((blockCaret || textArea.isOverwriteEnabled()) ? fm.charWidth('w') : 1);
      y += fm.getLeading() + fm.getMaxDescent();
      int height = fm.getHeight();

      gfx.setColor(caretColor);

      if (textArea.isOverwriteEnabled()) {
        gfx.fillRect(caretX, y + height - 1, caretWidth, 1);
      } else {
        gfx.drawRect(caretX, y, caretWidth - 1, height - 1);
      }
    }
  }
Beispiel #9
0
  /*
   *  Determine the Y offset for the current row
   */
  private int getOffsetY(int rowStartOffset, FontMetrics fontMetrics) throws BadLocationException {
    //  Get the bounding rectangle of the row

    Rectangle r = component.modelToView(rowStartOffset);
    int lineHeight = fontMetrics.getHeight();
    int y = r.y + r.height;
    int descent = 0;

    //  The text needs to be positioned above the bottom of the bounding
    //  rectangle based on the descent of the font(s) contained on the row.
    if (r.height == lineHeight) {
      // default font is being used
      descent = fontMetrics.getDescent();
    } else {
      // We need to check all the attributes for font changes
      if (fonts == null) {
        fonts = new HashMap<String, FontMetrics>();
      }

      Element root = component.getDocument().getDefaultRootElement();
      int index = root.getElementIndex(rowStartOffset);
      Element line = root.getElement(index);

      for (int i = 0; i < line.getElementCount(); i++) {
        Element child = line.getElement(i);
        AttributeSet as = child.getAttributes();
        String fontFamily = (String) as.getAttribute(StyleConstants.FontFamily);
        Integer fontSize = (Integer) as.getAttribute(StyleConstants.FontSize);
        String key = fontFamily + fontSize;

        FontMetrics fm = fonts.get(key);

        if (fm == null) {
          Font font = new Font(fontFamily, Font.PLAIN, fontSize);
          fm = component.getFontMetrics(font);
          fonts.put(key, fm);
        }

        descent = Math.max(descent, fm.getDescent());
      }
    }

    return y - descent;
  }
Beispiel #10
0
  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);
    }
  }
Beispiel #11
0
  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);
    }
  }
Beispiel #12
0
  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);
    }
  }
Beispiel #13
0
 /**
  * Converts a y co-ordinate to a line index.
  *
  * @param y The y co-ordinate
  */
 public int yToLine(int y) {
   FontMetrics fm = painter.getFontMetrics();
   int height = fm.getHeight();
   return Math.max(0, Math.min(getLineCount() - 1, y / height + firstLine));
 }
Beispiel #14
0
 /**
  * Converts a line index to a y co-ordinate.
  *
  * @param line The line
  */
 public int lineToY(int line) {
   FontMetrics fm = painter.getFontMetrics();
   return (line - firstLine) * fm.getHeight() - (fm.getLeading() + fm.getMaxDescent());
 }
Beispiel #15
0
 private int getFontHeight() {
   return fmRef.getHeight();
 }