| Server IP : 185.11.201.71 / Your IP : 192.168.7.18 Web Server : Apache/2.4.29 (Ubuntu) System : Linux tech-virtual-machine 4.15.0-213-generic #224-Ubuntu SMP Mon Jun 19 13:30:12 UTC 2023 x86_64 User : tech ( 1000) PHP Version : 7.4.28 Disable Function : pcntl_alarm,pcntl_fork,pcntl_waitpid,pcntl_wait,pcntl_wifexited,pcntl_wifstopped,pcntl_wifsignaled,pcntl_wifcontinued,pcntl_wexitstatus,pcntl_wtermsig,pcntl_wstopsig,pcntl_signal,pcntl_signal_get_handler,pcntl_signal_dispatch,pcntl_get_last_error,pcntl_strerror,pcntl_sigprocmask,pcntl_sigwaitinfo,pcntl_sigtimedwait,pcntl_exec,pcntl_getpriority,pcntl_setpriority,pcntl_async_signals,pcntl_unshare, MySQL : OFF | cURL : OFF | WGET : ON | Perl : ON | Python : ON | Sudo : ON | Pkexec : ON Directory : /usr/share/doc/libx11-protocol-perl/examples/ |
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#!/usr/bin/perl
# Overwrite a bunch of randomly chosen windows on the screen with
# random-colored rectangles. You might want to learn about the
# "xrefresh" program before trying this one.
# Demonstrates the use of "robust_req"
use X11::Protocol;
$X = X11::Protocol->new;
my $gc = $X->new_rsrc;
$X->req('CreateGC', $gc, $X->root);
for (1 .. 2500) {
my $client = rand(50);
my $client_id = rand(200);
my $id = $client << 21 | $client_id;
printf "XID %x ", $id;
my($result,) = $X->robust_req('GetGeometry', $id);
my %geom;
if (ref $result) {
print "exists\n";
%geom = @$result;
} else {
print "does not exist\n";
next;
}
# Make sure we've got a Window rather than a Pixmap, since overwriting
# Pixmaps is more permanent and therefore less amusing.
next unless ref $X->robust_req('GetWindowAttributes', $id);
$X->req('ChangeGC', $gc, 'foreground' => rand(2**32));
my($result,) = $X->robust_req('PolyFillRectangle', $id, $gc,
[5, 5, $geom{width}-10, $geom{height}-10]);
if (not ref $result) {
print "Ignoring $result error\n";
}
}