Mercurial > octave
view scripts/gui/uiwait.m @ 33573:1cfa8b20a07d bytecode-interpreter tip
maint: Merge default to bytecode-interpreter
author | Arun Giridhar <arungiridhar@gmail.com> |
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date | Sat, 11 May 2024 15:03:00 -0400 |
parents | 2e484f9f1f18 |
children |
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######################################################################## ## ## Copyright (C) 2012-2024 The Octave Project Developers ## ## See the file COPYRIGHT.md in the top-level directory of this ## distribution or <https://octave.org/copyright/>. ## ## 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 ## <https://www.gnu.org/licenses/>. ## ######################################################################## ## -*- texinfo -*- ## @deftypefn {} {} uiwait ## @deftypefnx {} {} uiwait (@var{h}) ## @deftypefnx {} {} uiwait (@var{h}, @var{timeout}) ## Suspend program execution until the figure with handle @var{h} is deleted ## or @code{uiresume} is called. ## ## When no figure handle is specified this function uses the current figure. ## If the figure handle is invalid or there is no current figure, this ## functions returns immediately. ## ## When specified, @var{timeout} defines the number of seconds to wait ## for the figure deletion or the @code{uiresume} call. The timeout value ## must be at least 1. If a smaller value is specified, a warning is issued ## and a timeout value of 1 is used instead. If a non-integer value is ## specified, it is truncated towards 0. If @var{timeout} is not specified, ## the program execution is suspended indefinitely. ## @seealso{uiresume, waitfor} ## @end deftypefn function uiwait (varargin) h = []; timeout = []; if (nargin == 0) h = get (0, "currentfigure"); else h = varargin{1}; if (! isfigure (h)) error ("uiwait: invalid figure handle H"); endif if (nargin > 1) timeout = varargin{2}; endif endif if (! isempty (h)) unwind_protect try addproperty ("__uiwait_state__", h, "radio", "none|{active}|triggered"); catch if (! strcmp (get (h, "__uiwait_state__"), "none")) error ("uiwait: an active uiwait call for this figure already exists"); endif set (h, "__uiwait_state__", "active"); end_try_catch waitfor_args = {h, "__uiwait_state__", "triggered"}; if (! isempty (timeout)) waitfor_args(end+1:end+2) = {"timeout", timeout}; endif waitfor (waitfor_args{:}); unwind_protect_cleanup if (ishghandle (h) && isprop (h, "__uiwait_state__")) set (h, "__uiwait_state__", "none"); endif end_unwind_protect endif endfunction