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) 2008-2013 Julian Schnidder
## Copyright (C) 2012 Carnë Draug
##
## 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} {@var{output} =} python (@var{scriptfile})
## @deftypefnx {Function File} {@var{output} =} python (@var{scriptfile}, @var{argument1}, @var{argument2}, @dots{})
## @deftypefnx {Function File} {[@var{output}, @var{status}] =} python (@dots{})
## Invoke Python script @var{scriptfile}, possibly with a list of command line
## arguments.  Return output in @var{output} and optional status in
## @var{status}.  If @var{scriptfile} is not an absolute file name it is
## is searched for in the current directory and then in the Octave loadpath.
## @seealso{system, perl}
## @end deftypefn

## Author: Carnë Draug <carandraug+dev@gmail.com>

function [output, status] = python (scriptfile = "-c ''", varargin)

  if (ischar (scriptfile)
      && (   (nargin == 1 && ! isempty (scriptfile))
          || (nargin != 1 && iscellstr (varargin))))
    if (! strcmp (scriptfile(1:2), "-c"))
      ## Attempt to find file in loadpath.  No effect for absolute filenames.
      scriptfile = file_in_loadpath (scriptfile);
    endif

    [status, output] = system (["python ", scriptfile, ...
                                sprintf(" %s", varargin{:})]);
  else
    error ("python: invalid arguments");
  endif

endfunction