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# Copyright (c) 1997-2024
# Ewgenij Gawrilow, Michael Joswig, and the polymake team
# Technische Universität Berlin, Germany
# https://polymake.org
#
# This program 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 2, or (at your option) any
# later version: http://www.gnu.org/licenses/gpl.txt.
#
# This program 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.
#-------------------------------------------------------------------------------
package Visual;
# webbrowser supporting JavaScript and SVG documents
custom $webbrowser;
CONFIGURE {
# 'Open' is for Mac OS X
find_program($webbrowser, qw( sensible-browser xdg-open chrome firefox open ),
{ prompt => "the web browser",
check => sub {
# sensible-browser script may appear on a system without any browsers installed
$_[0] =~ m{^\S*\bsensible-browser$} && not($ENV{BROWSER} && -x $ENV{BROWSER}) &&
!-e "/usr/bin/x-www-browser" && !-e "/etc/alternatives/x-www-browser" &&
"sensible-browser can't be chosen because no real web browser is installed";
},
});
}
# Local Variables:
# mode: perl
# cperl-indent-level:3
# indent-tabs-mode:nil
# End:
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