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#!/usr/bin/perl -w
# Copyright 2012, 2013 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/>.
use strict;
use FindBin;
use X11::AtomConstants;
use X11::Protocol;
use X11::Protocol::Other;
use X11::Protocol::WM;
# uncomment this to run the ### lines
use Smart::Comments;
my $X = X11::Protocol->new;
my $root = (X11::Protocol::WM::root_to_virtual_root($X,$X->root)
|| $X->root);
my $xrootpmap_id;
{
my ($value, $type, $format, $bytes_after)
= $X->GetProperty ($root, $X->atom('_XROOTPMAP_ID'),
X11::AtomConstants::PIXMAP(), # type
0, # offset
1, # length
0); # delete;
if ($value) {
$xrootpmap_id = unpack 'L', $value;
}
}
if ($xrootpmap_id) {
# by flashing the _XROOTPMAP_ID
my ($width, $height) = X11::Protocol::Other::window_size ($X, $root);
my $error;
local $X->{'error_handler'} = sub {
my ($X, $data) = @_;
$error = 1;
};
my $window = $X->new_rsrc;
$X->CreateWindow ($window,
$root, # parent
'InputOutput', # class
0, # depth, from parent
'CopyFromParent', # visual
0,0, # x,y
$width,$height,
0, # border
background_pixmap => $xrootpmap_id,
# background_pixel => 0x00FFFF,
override_redirect => 1,
# save_under => 1,
# backing_store => 'Always',
# bit_gravity => 'Static',
# event_mask =>
# $X->pack_event_mask('Exposure',
# 'ColormapChange',
# 'VisibilityChange',),
);
$X->QueryPointer($root); # sync
if ($error) {
undef $xrootpmap_id;
} else {
X11::Protocol::WM::set_wm_name ($X, $window, $FindBin::Script);
X11::Protocol::WM::set_wm_hints
($X, $window, input => 0);
X11::Protocol::WM::set_net_wm_window_type ($X, $window, 'SPLASH');
$X->MapWindow ($window);
$X->ClearArea ($window, 0,0,0,0);
$X->flush;
sleep 1;
exit 0;
}
}
if (! $xrootpmap_id) {
# by iconifying everything temporarily
my ($root, $root_parent, @toplevels) = $X->QueryTree($X->root);
my ($focus_window, $focus_revert_to) = $X->GetInputFocus;
my @remap;
foreach my $frame (@toplevels) {
my $window = X11::Protocol::WM::frame_window_to_client($X,$frame) || next;
my ($state, $icon_window) = X11::Protocol::WM::get_wm_state($X,$window);
if (($state||'') eq 'NormalState') {
### WM_NAME: $X->GetProperty($window, $X->atom('WM_NAME'), $X->atom('STRING'), 0, 999, 0)
X11::Protocol::WM::iconify($X, $window, $root);
push @remap, $window;
}
# my %attr = $X->GetWindowAttributes ($window);
# if ($attr{'map_state'} eq 'Viewable') {
# $X->UnmapWindow ($window);
# push @remap, $window;
# }
}
$X->flush;
$X->QueryPointer($root); # sync
sleep 5;
### @remap
foreach my $window (@remap) {
$X->MapWindow ($window);
}
$X->flush;
$X->QueryPointer($root); # sync
sleep 1;
$X->SetInputFocus($focus_window, $focus_revert_to, 0);
$X->QueryPointer($root); # sync
}
exit 0;
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