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#!/usr/bin/perl -w
# Copyright 2010, 2011, 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 5.010;
use strict;
use warnings;
use X11::Protocol;
use X11::AtomConstants;
use Smart::Comments;
{
require X11::Protocol::XSetRoot;
{
X11::Protocol::XSetRoot->set_background
(
# root => 0xC00003,
color => '#F0FF00FFF0FF',
# color => sprintf('#%06X', rand(0x1000000)),
# pixel => 0xFFFFFF,
# pixel => 0xFF0000,
# allocated_pixels => 1,
# pixmap => 0,
use_esetroot => 1,
);
# now don't use $X11_protocol_object connection any more
}
{
my $X = X11::Protocol->new;
my %attr = $X->GetWindowAttributes($X->root);
### %attr
}
exit 0;
}
{
require X11::Protocol::XSetRoot;
{
my $X = X11::Protocol->new;
# my $colormap = $X->{'default_colormap'};
# my @ret = $X->AllocNamedColor($colormap, 'white');
# ### @ret
my $width = 100;
my $height = 100;
my $pixmap = $X->new_rsrc;
$X->CreatePixmap ($pixmap,
$X->{'root'},
$X->{'root_depth'},
$width,$height);
### pixmap: sprintf '%#X', $pixmap
my $white_pixel = $X->{'white_pixel'};
my $black_pixel = $X->{'black_pixel'};
### $white_pixel;
### $black_pixel
my $gc = $X->new_rsrc;
$X->CreateGC ($gc, $pixmap, foreground => $white_pixel);
$X->PolyFillRectangle ($pixmap, $gc, [0,0, $width,$height]);
$X->ChangeGC($gc, foreground => $black_pixel);
my $width_half = int($width *.3);
my $height_half = int($height *.3);
$X->PolyFillRectangle ($pixmap, $gc, [0,0, $width_half,$height_half]);
$X->PolyFillRectangle ($pixmap, $gc,
[$width_half,$height_half,
$width-$width_half,$height-$height_half]);
$X->FreeGC($gc);
X11::Protocol::XSetRoot->set_background
(X => $X,
pixmap => $pixmap,
use_esetroot => 1);
}
{
my $X = X11::Protocol->new;
my ($value, $type, $format, $bytes_after)
= $X->GetProperty($X->root,
$X->atom('_XROOTPMAP_ID'),
0, # AnyPropertyType
0, # offset
1, # length
0); # delete
if ($type == X11::AtomConstants::PIXMAP() && $format == 32) {
my $pixmap = unpack 'L', $value;
### _XROOTPMAP_ID: sprintf '%#X', $pixmap
my %geom = $X->GetGeometry($pixmap);
### %geom
}
}
exit 0;
}
{
# SetCloseDownMode while server grabbed
require X11::Protocol::WM;
my $X = X11::Protocol->new (':1');
$X->GrabServer;
my $pixmap = $X->new_rsrc;
$X->CreatePixmap ($pixmap,
$X->root,
$X->root_depth,
4,4); # width,height
printf "pixmap %X\n", $pixmap;
$X->SetCloseDownMode('RetainPermanent');
$X->flush;
exit 0;
}
{
require X11::Protocol::WM;
my $X = X11::Protocol->new;
my $root = $X->root;
### $root
my $vroot = X11::Protocol::WM::root_to_virtual_root($X,$root);
### $vroot
exit 0;
}
{
my $X = X11::Protocol->new;
$X->FreePixmap(0);
### sync: $X->QueryPointer($X->{'root'})
exit 0;
}
{
my $X = X11::Protocol->new;
my $rootwin = $X->{'root'};
my $atom = $X->atom('_SETROOT_ID');
my ($value, $type, $format, $bytes_after)
= $X->GetProperty ($rootwin, $atom,
0, # AnyPropertyType
0, # offset
1, # length
0); # delete;
### GetProperty: $X->atom_name($atom)
### $value
### $type
### $format
### $bytes_after
if ($type == X11::AtomConstants::PIXMAP && $format == 32) {
my $resource_pixmap = unpack 'L', $value;
### resource_pixmap: sprintf('%#X', $resource_pixmap)
### robust: $X->robust_req('KillClient',$resource_pixmap)
}
exit 0;
}
# Esetroot.c
# get _XROOTPMAP_ID
# get ESETROOT_PMAP_ID
# if equal then KillClient
#
# set _XROOTPMAP_ID
# set ESETROOT_PMAP_ID
# XSetCloseDownMode
#
#
# ENHANCE-ME: Don't intern atoms if they doesn't already exist.
sub _kill_current_esetroot {
my ($class, $X, $root) = @_;
### XSetRoot kill_current()
$root ||= $X->{'root'};
}
# {
# my ($value, $type, $format, $bytes_after)
# = $X->GetProperty($root,
# $X->atom('_XROOTPMAP_ID'),
# 0, # AnyPropertyType
# 0, # offset
# 1, # length
# 1); # delete
# if ($type == X11::AtomConstants::PIXMAP() && $format == 32) {
# my $pixmap = unpack 'L', $value;
# unless ($pixmap) { # watch out for $xid==0 for none maybe
# return;
# }
# }
# }
|
