Ejemplo n.º 1
0
  /**
   * Checks if the text has more words to print.
   *
   * @param g graphics reference
   * @return true if the text has more words
   */
  private boolean more(final Graphics g) {
    // no more words found; quit
    if (!text.moreWords()) return false;

    // calculate word width
    int ww = 0;
    final int p = text.pos();
    while (text.more()) {
      final int ch = text.next();
      // internal special codes...
      if (ch == 0x02) {
        font(bfont);
      } else if (ch == 0x03) {
        font(dfont);
      } else {
        ww += charW(g, ch);
      }
    }
    text.pos(p);

    // jump to new line
    if (x + ww > w) {
      x = off;
      y += fontH;
    }
    wordW = ww;

    // check if word has been found, and word is still visible
    return y < h;
  }
Ejemplo n.º 2
0
 /**
  * Returns the cursor coordinates.
  *
  * @return line/column
  */
 int[] pos() {
   final int hh = h;
   h = Integer.MAX_VALUE;
   final Graphics g = getGraphics();
   int col = 1;
   int line = 1;
   init(g, 0);
   boolean more = true;
   while (more(g)) {
     final int p = text.pos();
     while (text.more()) {
       more = text.pos() < text.cursor();
       if (!more) break;
       text.next();
       col++;
     }
     if (!more) break;
     text.pos(p);
     if (next()) {
       line++;
       col = 1;
     }
   }
   h = hh;
   return new int[] {line, col};
 }
Ejemplo n.º 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.noMark();
    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.startMark();
      else text.endMark();
      text.setCaret();
    }
    repaint();
  }
Ejemplo n.º 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 error
      if (text.erroneous()) {
        g.setColor(GUIConstants.LRED);
        g.fillRect(x, y - fontH + 4, wordW, fontH);
      }

      // mark text
      int xx = x;
      if (text.markStart()) {
        final int p = text.pos();
        while (text.more()) {
          final int cw = charW(g, text.curr());
          if (text.inMark()) {
            g.setColor(GUIConstants.color(3));
            g.fillRect(xx, y - fontH + 4, cw, fontH);
          }
          xx += cw;
          text.next();
        }
        text.pos(p);
      }
      if (found()) {
        int cw = 0;
        for (int c = 0; c < keyword.length(); ++c) {
          cw += charW(g, keyword.charAt(c));
        }
        g.setColor(GUIConstants.color(text.cursor() == text.pos() ? 5 : 2));
        g.fillRect(x, y - fontH + 4, cw, fontH);
      }

      // don't write whitespaces
      if (ch > ' ') {
        g.setColor(color);
        String n = text.nextWord();
        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;
        final int p = text.pos();
        while (text.more()) {
          if (text.cursor() == text.pos()) {
            cursor(g, xx);
            break;
          }
          xx += charW(g, text.next());
        }
        text.pos(p);
      }
    }
    next();
  }