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#!/usr/bin/perl
# Copyright 2011 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: perl cursor-font-anim.pl
#
# This is a bit of nonsense using the RENDER extension to make an annoying
# animated cursor for the root window, cycling through each of the standard
# cursor font shapes.
#
# The size of the X11::CursorFont module @CURSOR_NAME array is used for how
# many cursors are available in the cursor font.
#
# When you get sick of this put it back to something sensible with for
# instance
#
# xsetroot -cursor_name left_ptr
#
use strict;
use X11::Protocol;
use X11::CursorFont '@CURSOR_NAME';
my $X = X11::Protocol->new;
if (! $X->init_extension('RENDER')) {
print "RENDER extension not available on the server\n";
exit 1;
}
my $cursor_font = $X->new_rsrc;
$X->OpenFont ($cursor_font, "cursor");
my @cursors;
for (my $i = 0; $i < @CURSOR_NAME; $i+=2) {
my $cursor = $X->new_rsrc;
$X->CreateGlyphCursor ($cursor,
$cursor_font, # font
$cursor_font, # mask font
$i, # glyph number
$i+1, # and its mask
0,0,0, # foreground, black
0xFFFF, 0xFFFF, 0xFFFF); # background, white
push @cursors, $cursor;
}
print "total ",scalar(@cursors)," cursors animated";
my $milliseconds = 500;
my $cursor = $X->new_rsrc;
$X->RenderCreateAnimCursor ($cursor, map { [$_,$milliseconds] } @cursors);
$X->ChangeWindowAttributes ($X->root, cursor => $cursor);
exit 0;
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