add all editor actions to the shortcut manager and fix their shortcut context * file_editor_interface.h: new virtual function insert_new_open_actions * file-editor.cc (request_undo, request_redo, request_copy, request_cut, request_paste, request_selectall, request_save_file, request_save_file_as, request_print_file, request_run_file, request_toggle_bookmark, request_next_bookmark, request_previous_bookmark, request_remove_bookmark, request_toggle_breakpoint, request_next_breakpoint, request_previous_breakpoint, request_remove_breakpoint, request_comment_selected_text, request_uncomment_selected_text, request_indent_selected_text, request_unindent_selected_text, request_find, request_goto_line, request_completion) : change slot parameter from void to bool; (handle_editor_state_changed): renamed context_run_action; (notice_settings): call set_shortcuts without parameter; (insert_new_open_actions): new function called from main window for addings global action (new, open) to the editors file menu; (add_action): new function for adding a new action to a menu, connecting the slot, adding the action to the editor, and setting the shortcut context; (construct): make all actions class variables, add actions with add_actions, removing obsolete calls to QAction (), to setShortcutContext (), and to connect (), new submenu for navigation actions; (copyClipboard, pasteClipboard, selectAll): use slots with bool parameter; (set_shortcuts): remove the parameter of this function, it is now only called when the shortcut settings were changed and not when the terminal changes focus; (check_actions): enable/disable whole submenus instead of singe actions * file-editor.h: new function insert_new_open_actions, slots with bool parameter instead void, class variables for all actions, new submenus, set_shortcuts without parameter * main-window.cc (construct): do not connect the signal for setting shortcuts depending on terminal focus to the editor, insert new and open file actions into the editor file menu * main-window.h: remove the signal for settings other widgets shortcuts * shortcut-manager.cc (do_init_data): add more actions to the list

## Copyright (C) 2007-2013 David Bateman
##
## This file is part of Octave.
##
## Octave is free software; you can redistribute it and/or modify it
## under the terms of the GNU General Public License as published by
## the Free Software Foundation; either version 3 of the License, or (at
## your option) any later version.
##
## Octave is distributed in the hope that it will be useful, but
## WITHOUT ANY WARRANTY; without even the implied warranty of
## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
## General Public License for more details.
##
## You should have received a copy of the GNU General Public License
## along with Octave; see the file COPYING.  If not, see
## <http://www.gnu.org/licenses/>.

## -*- texinfo -*-
## @deftypefn {Function File} {} swapbytes (@var{x})
## Swap the byte order on values, converting from little endian to big
## endian and vice versa.  For example:
##
## @example
## @group
## swapbytes (uint16 (1:4))
## @result{} [   256   512   768  1024]
## @end group
## @end example
##
## @seealso{typecast, cast}
## @end deftypefn

function y = swapbytes (x)

  if (nargin != 1)
    print_usage ();
  endif

  clx = class (x);
  if (strcmp (clx, "int8") || strcmp (clx, "uint8") || isempty (x))
    y = x;
  else
    if (strcmp (clx, "int16") || strcmp (clx, "uint16"))
      nb = 2;
    elseif (strcmp (clx, "int32") || strcmp (clx, "uint32"))
      nb = 4;
    elseif (strcmp (clx, "int64") || strcmp (clx, "uint64")
            || strcmp (clx, "double"))
      nb = 8;
    else
      error ("swapbytes: invalid class of object");
    endif
    y = reshape (typecast (reshape (typecast (x(:), "uint8"), nb, numel (x))
                           ([nb : -1 : 1], :) (:), clx), size (x));
  endif

endfunction


%!assert (double (swapbytes (uint16 (1:4))), [256 512 768 1024])
%!error (swapbytes ())
%!error (swapbytes (1, 2))