Пример #1
0
  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);
      }
    }
  }
Пример #2
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.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);
    }
  }
Пример #3
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);
 }
Пример #4
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);
    }
  }
Пример #5
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);
      }
    }
  }
Пример #6
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());
 }