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#!/usr/bin/perl -w
# Copyright 2017, 2019 Kevin Ryde
# This file is part of X11-Protocol-Other.
#
# X11-Protocol-Other 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, or (at your option) any
# later version.
#
# X11-Protocol-Other 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 X11-Protocol-Other. If not, see <http://www.gnu.org/licenses/>.
# Usage: ./wm-save-yourself-not.pl
#
# This is an experiment to remove WM_SAVE_YOURSELF from top-level clients
# which also have WM_DELETE_WINDOW.
#
# mwm close button (f.kill) forcibly disconnects when WM_SAVE_YOURSELF,
# defeating the purpose of WM_DELETE_WINDOW. Try without WM_SAVE_YOURSELF.
#
use strict;
use FindBin;
use Scalar::Util;
use X11::Protocol;
use X11::Protocol::Other;
use X11::Protocol::WM;
# uncomment this to run the ### lines
# use Smart::Comments;
sub toplevel_windows {
my ($X, $root) = @_;
if (! defined $root) { $root = $X->root; }
$root = X11::Protocol::WM::root_to_virtual_root ($X, $root) || $root;
# printf "root %d 0x%X\n", $root, $virtual_root;
my (undef,undef, @children) = $X->QueryTree($root);
return @children;
}
#------------------------------------------------------------------------------
my $X = X11::Protocol->new;
my $WM_PROTOCOLS = $X->atom('WM_PROTOCOLS');
my $WM_SAVE_YOURSELF = $X->atom('WM_SAVE_YOURSELF');
my $WM_DELETE_WINDOW = $X->atom('WM_DELETE_WINDOW');
my @windows = map {
X11::Protocol::WM::frame_window_to_client($X,$_) || ()
} toplevel_windows($X);
WINDOW: foreach my $window (@windows) {
printf "window %d 0x%X\n", $window, $window;
{
my ($str, $type, $format, $bytes_after)
= $X->GetProperty ($window, $X->atom('WM_NAME'), $X->atom('STRING'),
0, 999, 0);
if ($type != X11::AtomConstants::STRING()) {
next WINDOW;
}
print " WM_NAME $str\n";
}
{
my @protocols # list of atom integers
= X11::Protocol::Other::get_property_atoms ($X, $window, $WM_PROTOCOLS);
print " WM_PROTOCOLS ";
foreach my $protocol (@protocols) {
print " ",$X->atom_name($protocol);
}
print "\n";
if ((grep {$_ == $WM_DELETE_WINDOW} @protocols)
&& (grep {$_ == $WM_SAVE_YOURSELF} @protocols)) {
print " change\n";
@protocols = grep {$_ != $WM_SAVE_YOURSELF} @protocols;
X11::Protocol::Other::set_property_atoms ($X, $window, $WM_PROTOCOLS,
@protocols);
}
}
}
exit 0;
# my ($value, $type, $format, $bytes_after)
# = $X->GetProperty ($window, $WM_PROTOCOLS,
# 0, # AnyPropertyType
# 0, # offset
# 999, # length
# 0); # delete;
# if ($type != X11::AtomConstants::ATOM()) {
# print "not atom\n";
# next WINDOW;
# }
# if ($format != 32) {
# print "not atom\n";
# next WINDOW;
# }
# my @protocols = unpack 'L*', $value;
# foreach my $protocol (@protocols) {
# print " ",$X->atom_name($protocol);
# }
# print "\n";
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