Ejemplo n.º 1
0
 /**
  * Returns the current vertical cursor position.
  *
  * @return new position
  */
 int cursorY() {
   final int hh = h;
   h = Integer.MAX_VALUE;
   final Graphics g = getGraphics();
   init(g, 0);
   while (more(g) && !text.edited()) next();
   h = hh;
   return y - fontH;
 }
Ejemplo n.º 2
0
 /** Calculates the text height. */
 void calc() {
   w = getWidth() - (off >> 1);
   h = Integer.MAX_VALUE;
   final Graphics g = getGraphics();
   init(g, 0);
   while (more(g)) next();
   h = getHeight() + fontH;
   bar.height(y + off);
 }
Ejemplo n.º 3
0
 @Override
 public Dimension getPreferredSize() {
   final Graphics g = getGraphics();
   w = Integer.MAX_VALUE;
   h = Integer.MAX_VALUE;
   init(g, 0);
   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);
 }
Ejemplo n.º 4
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 5
0
  /**
   * Finds the current keyword and returns the text position.
   *
   * @param forward backward browsing
   * @param same string is the same as last time
   * @return new position
   */
  int find(final boolean forward, final boolean same) {
    if (keyword.isEmpty()) return 0;

    while (true) {
      final int hh = h;
      int lp = 0;
      int ly = 0;
      int cp = text.cursor();

      h = Integer.MAX_VALUE;
      final Graphics g = getGraphics();
      for (init(g, 0); more(g); next()) {
        if (!found()) continue;

        final int np = text.pos();
        final int ny = y - fontH;
        if (np >= cp && (np > cp || !same || !forward)) {
          if (forward || lp != 0) {
            h = hh;
            text.setCaret(forward ? np : lp);
            return forward ? ny : ly;
          }
          cp = Integer.MAX_VALUE;
        }
        lp = np;
        ly = ny;
      }

      h = hh;
      if (cp == 0 || cp == Integer.MAX_VALUE) {
        text.setCaret(lp);
        return ly;
      }
      text.setCaret(0);
    }
  }
Ejemplo n.º 6
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();
  }