## Copyright (C) 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} {} uiresume (@var{h})
## Resume program execution suspended with @code{uiwait}.  The handle @var{h}
## must be the same as the on specified in @code{uiwait}.  If the handle
## is invalid or there is no @code{uiwait} call pending for the figure
## with handle @var{h}, this function does nothing.
## @seealso{uiwait}
## @end deftypefn

## Author: goffioul

function uiresume (h)

  if (! ishandle (h) || ! strcmp (get (h, "type"), "figure"))
    error ("uiresume: invalid figure handle");
  endif

  try
    uiwait_state = get (h, "__uiwait_state__");
    if (strcmp (uiwait_state, "active"))
      set (h, "__uiwait_state__", "triggered");
    endif
  catch
    # Ignore exception
  end_try_catch

endfunction