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## Copyright (C) 2008 Bill Denney
## Copyright (C) 2012-2015 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} {} findfigs ()
## Find all visible figures that are currently off the screen and move them
## onto the screen.
## @seealso{allchild, figure, get, set}
## @end deftypefn
## Author: Bill Denney <bill@denney.ws>
## Modified by: Carnë Draug <carandraug+dev@gmail.com>
function findfigs ()
hfigs = allchild (0);
units = get (0, "units");
unwind_protect
set (0, "units", "pixels");
screensize = get (0, "screensize");
unwind_protect_cleanup
set (0, "units", units);
end_unwind_protect
## give the monitor a margin so that the figure must not just
## marginally be on the monitor.
margin = 30;
screensize(1:2) += margin;
screensize(3:4) -= margin;
hfigs = hfigs(strcmp (get (hfigs, "visible"), "on"));
for hf = hfigs'
units = get (hf, "units");
unwind_protect
set (hf, "units", "pixels");
pos = get (hf, "position");
## Test if (in order):
## The left side is outside the right side of the screen
## The bottom is above the top of the screen
## The right side is outside the left of the screen
## the top is below the bottom of the screen
if (pos(1) > screensize(3)
|| pos(2) > screensize(4)
|| pos(1)+pos(3) < screensize(1)
|| pos(2)+pos(4) < screensize(2))
## the new position will be at the top left of the screen
## (all moved figures will overlap). The bottom left is chosen
## instead of the top left because that allows for the unknown
## amount of space for the menu bar and the title bar.
pos(1) = screensize(1);
pos(2) = screensize(2);
set (hf, "position", pos);
endif
unwind_protect_cleanup
set (hf, "units", units);
end_unwind_protect
endfor
endfunction
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