예제 #1
0
 /**
  * Finishes the current token.
  *
  * @return true for new line
  */
 private boolean next() {
   final int ch = text.curr();
   if (ch == TokenBuilder.NLINE || ch == TokenBuilder.HLINE) {
     x = off;
     y += fontH >> (ch == TokenBuilder.NLINE ? 0 : 1);
     return true;
   }
   x += wordW;
   return false;
 }
예제 #2
0
 @Override
 public Dimension getPreferredSize() {
   final Graphics g = getGraphics();
   w = Integer.MAX_VALUE;
   h = Integer.MAX_VALUE;
   init(g);
   int max = 0;
   while (more(g)) {
     if (text.curr() == 0x0A) max = Math.max(x, max);
     next();
   }
   return new Dimension(Math.max(x, max) + fwidth[' '], y + fontH);
 }
예제 #3
0
  /**
   * Selects the text at the specified position.
   *
   * @param pos current text position
   * @param p mouse position
   * @param finish states if selection is in progress
   */
  void select(final int pos, final Point p, final boolean finish) {
    if (!finish) text.noSelect();
    p.y -= 3;

    final Graphics g = getGraphics();
    init(g, pos);
    if (p.y > y - fontH) {
      int s = text.pos();
      while (true) {
        // end of line
        if (p.x > x && p.y < y - fontH) {
          text.pos(s);
          break;
        }
        // end of text - skip last characters
        if (!more(g)) {
          while (text.more()) text.next();
          break;
        }
        // beginning of line
        if (p.x <= x && p.y < y) break;
        // middle of line
        if (p.x > x && p.x <= x + wordW && p.y > y - fontH && p.y <= y) {
          while (text.more()) {
            final int ww = charW(g, text.curr());
            if (p.x < x + ww) break;
            x += ww;
            text.next();
          }
          break;
        }
        s = text.pos();
        next();
      }

      if (!finish) text.startSelect();
      else text.extendSelect();
      text.setCursor();
    }
    repaint();
  }
예제 #4
0
  /**
   * Writes the current string to the graphics reference.
   *
   * @param g graphics reference
   */
  private void write(final Graphics g) {
    if (high) {
      high = false;
    } else {
      color = isEnabled() ? syntax.getColor(text) : Color.gray;
    }

    final int ch = text.curr();
    if (y > 0 && y < h) {
      if (ch == TokenBuilder.MARK) {
        color = GUIConstants.GREEN;
        high = true;
      }

      // mark selected text
      final int cp = text.pos();
      if (text.selectStart()) {
        int xx = x, cw = 0;
        while (!text.inSelect() && text.more()) xx += charW(g, text.next());
        while (text.inSelect() && text.more()) cw += charW(g, text.next());
        g.setColor(GUIConstants.color(3));
        g.fillRect(xx, y - fontH * 4 / 5, cw, fontH);
        text.pos(cp);
      }

      // mark found text
      int xx = x;
      while (text.more() && text.searchStart()) {
        int cw = 0;
        while (!text.inSearch() && text.more()) xx += charW(g, text.next());
        while (text.inSearch() && text.more()) cw += charW(g, text.next());
        g.setColor(GUIConstants.color2A);
        g.fillRect(xx, y - fontH * 4 / 5, cw, fontH);
        xx += cw;
      }
      text.pos(cp);

      if (text.erroneous()) drawError(g);

      // don't write whitespaces
      if (ch > ' ') {
        g.setColor(color);
        String n = text.nextString();
        int ww = w - x;
        if (x + wordW > ww) {
          // shorten string if it cannot be completely shown (saves memory)
          int c = 0;
          for (final int nl = n.length(); c < nl && ww > 0; c++) {
            ww -= charW(g, n.charAt(c));
          }
          n = n.substring(0, c);
        }
        g.drawString(n, x, y);
      } else if (ch <= TokenBuilder.MARK) {
        g.setFont(font);
      }

      // show cursor
      if (cursor && text.edited()) {
        xx = x;
        while (text.more()) {
          if (text.cursor() == text.pos()) {
            drawCursor(g, xx);
            break;
          }
          xx += charW(g, text.next());
        }
        text.pos(cp);
      }
    }
    next();
  }