view scripts/plot/gcbf.m @ 13816:7ee18dc46bbb

new and improved non-integer figure handles * waitbar.m: Pass NaN and "integerhandle" property to __go_figure__. * __init_fltk__.cc (OpenGL_fltk::renumber, plot_window::renumber, figure_manager::renumber_figure, figure_manager::do_renumber_figure): New functions. (figure_manager::hnd2idx): Don't declare double arg as const. Include figure number in error message. (fltk_graphics_toolkit::update): Handle ID_INTEGERHANDLE. * graphics.h.in, graphics.cc (gh_manager::do_get_handle): Rename from gh_manager::get_handle. (gh_manager::get_handle): New static function. (gh_manager::renumber_figure): New static function. (gh_manager::do_renumber_figure): New function. (figure::properties::set_integerhandle): New function. (figure::properties::integerhandle): Tag property declaration with S. (F__go_figure__): Intercept and handle integerhandle property here. * graphics.h.in (children_property::renumber): New function. (base_properties::init_integerhandle): New virtual function. (figure::properties::init_integerhandle): New function. (base_properties::renumber_child, base_properties::renumber_parent): New functions.
author John W. Eaton <jwe@octave.org>
date Fri, 04 Nov 2011 06:25:13 -0400
parents 6efa1a691713
children 72c96de7a403
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## Copyright (C) 2008-2011 Michael Goffioul
##
## 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{fig} =} gcbf ()
## Return a handle to the figure containing the object whose callback
## is currently executing.  If no callback is executing, this function
## returns the empty matrix.  The handle returned by this function is
## the same as the second output argument of gcbo.
##
##@seealso{gcf, gca, gcbo}
##@end deftypefn

function fig = gcbf ()

  [dummy, fig] = gcbo ();

endfunction

%!test
%! assert (isempty (gcbf ));