@Override
public final void mouseDragged(final MouseEvent e) {
if (!SwingUtilities.isLeftMouseButton(e)) return;
// selection mode
select(e.getPoint(), false);
final int y = Math.max(20, Math.min(e.getY(), getHeight() - 20));
if (y != e.getY()) scroll.pos(scroll.pos() + e.getY() - y);
}
@Override
public void keyTyped(final KeyEvent e) {
if (!hist.active()
|| control(e)
|| DELNEXT.is(e)
|| DELPREV.is(e)
|| ESCAPE.is(e)
|| CUT2.is(e)) return;
final int caret = editor.pos();
// remember if marked text is to be deleted
final StringBuilder sb = new StringBuilder(1).append(e.getKeyChar());
final boolean indent = TAB.is(e) && editor.indent(sb, e.isShiftDown());
// delete marked text
final boolean selected = editor.selected() && !indent;
if (selected) editor.delete();
final int move = ENTER.is(e) ? editor.enter(sb) : editor.add(sb, selected);
// refresh history and adjust cursor position
hist.store(editor.text(), caret, editor.pos());
if (move != 0) editor.pos(Math.min(editor.size(), caret + move));
// adjust text height
scrollCode.invokeLater(true);
e.consume();
}