use generic dialog for cd or addpath question * dialog.h, dialog.cc (cd_or_addpath_dialog): Delete class. (QUIWidgetCreator::get_dialog_button): Return QString, not QString*. Change all uses. (QUIWidgetCreator::signal_debug_cd_or_addpath): Delete. (QUIWidgetCreator::create_debug_cd_or_addpath_dialog): Delete. * file-editor-tab.cc (file_editor_tab::file_in_path): Also use same_file to compare curr_dir and info.path. * main-window.h, main-window.cc (main_window::handle_create_debug_cd_or_addpath_dialog): Delete. (main_window::connect_uiwidget_links): Delete connection from uiwidget_creator::create_debug_cd_or_addpath_dialog to main_window::handle_create_debug_cd_or_addpath_dialog. * octave-qt-link.cc (octave_qt_link::do_debug_cd_or_addpath_error): Use generic dialog for cd or addpath question.

#include <octave/oct.h>

DEFUN_DLD (globaldemo, args, , "Global demo.")
{
  int nargin = args.length ();
  octave_value retval;

  if (nargin != 1)
    print_usage ();
  else
    {
      std::string s = args(0).string_value ();
      if (! error_state)
        {
          octave_value tmp = get_global_value (s, true);
          if (tmp.is_defined ())
            retval = tmp;
          else
            retval = "Global variable not found";

          set_global_value ("a", 42.0);
        }
    }
  return retval;
}