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## See the file COPYRIGHT.md in the top-level directory of this
## distribution or <https://octave.org/copyright/>.
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## -*- texinfo -*-
## @deftypefn  {} {} waitforbuttonpress ()
## @deftypefnx {} {@var{b} =} waitforbuttonpress ()
## Wait for mouse click or key press over the current figure window.
##
## The return value of @var{b} is 0 if a mouse button was pressed or 1 if a
## key was pressed.
## @seealso{waitfor, ginput, kbhit}
## @end deftypefn

## The original version of this code bore the copyright
## Author: Petr Mikulik
## License: public domain

function b = waitforbuttonpress ()

  if (nargin != 0 || nargout > 1)
    print_usage ();
  endif

  [x, y, k] = ginput (1);

  if (nargout == 1)
    if (k <= 5)
      b = 0;
    else
      b = 1;
    endif
  endif

endfunction


## Test input validation
%!error waitforbuttonpress (1)
%!error [a,b,c] = waitforbuttonpress ()