SWAMPy

✎ CARVE FLESH

EDITING: random-win.pl

#!/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";
    }
}

CANCEL

Name	Type	Size	Modified	Actions
↩ ..	DIR	—	—
📄 anim.pl	PL	2.8 KB	2003-02-16 08:01	EDIT
📄 full_test.pl	PL	17.4 KB	2003-05-11 20:20	EDIT
📄 long-run.pl	PL	3.1 KB	2003-02-16 05:04	EDIT
📄 random-win.pl	PL	1.1 KB	2003-10-13 02:39	EDIT
📄 render-clock.pl	PL	12 KB	2005-04-23 17:49	EDIT
📄 render-test.pl	PL	6.8 KB	2004-03-23 04:19	EDIT
📄 teletype.pl	PL	2.9 KB	2000-01-10 19:27	EDIT
📄 widgets.c	C	25.1 KB	2006-10-08 20:07	EDIT
📄 widgets1.pl	PL	22.4 KB	2006-10-08 20:01	EDIT
📄 widgets2.pl	PL	26.3 KB	2006-10-08 20:02	EDIT
📄 widgets3.pl	PL	21 KB	2006-10-08 20:02	EDIT
📄 wintree.pl	PL	2.3 KB	2004-04-02 02:05	EDIT