i3/testcases/t/158-wm_take_focus.t
Tony Crisci 05f0585817 Dont set input focus and send WM_TAKE_FOCUS
If input focus is set by the window manager, it is not necessary to send
WM_TAKE_FOCUS because it has already taken focus.

http://tronche.com/gui/x/icccm/sec-4.html#s-4.1.7

> The goal is to support window managers that want to assign the input
> focus to a top-level window in such a way that the top-level window
> either can assign it to one of its subwindows or can decline the offer
> of the focus. For example, a clock or a text editor with no currently
> open frames might not want to take focus even though the window
> manager generally believes that clients should take the input focus
> after being deiconified or raised.

Both setting input focus and sending WM_TAKE_FOCUS is effectively
setting focus on the window twice which is certainly against the spirit
of the spec, if not the letter.

fixes #1167
2014-04-15 17:46:08 +02:00

100 lines
2.7 KiB
Perl

#!perl
# vim:ts=4:sw=4:expandtab
#
# Please read the following documents before working on tests:
# • http://build.i3wm.org/docs/testsuite.html
# (or docs/testsuite)
#
# • http://build.i3wm.org/docs/lib-i3test.html
# (alternatively: perldoc ./testcases/lib/i3test.pm)
#
# • http://build.i3wm.org/docs/ipc.html
# (or docs/ipc)
#
# • http://onyxneon.com/books/modern_perl/modern_perl_a4.pdf
# (unless you are already familiar with Perl)
#
# Tests if the WM_TAKE_FOCUS protocol is correctly handled by i3
#
# For more information on the protocol and input handling, see:
# http://tronche.com/gui/x/icccm/sec-4.html#s-4.1.7
#
use i3test;
sub recv_take_focus {
my ($window) = @_;
# sync_with_i3 will send a ClientMessage to i3 and i3 will send the same
# payload back to $window->id.
my $myrnd = sync_with_i3(
window_id => $window->id,
dont_wait_for_event => 1,
);
# We check whether the first received message has the correct payload — if
# not, the received message was a WM_TAKE_FOCUS message.
my $first_event_is_clientmessage;
wait_for_event 2, sub {
my ($event) = @_;
# TODO: const
return 0 unless $event->{response_type} == 161;
my ($win, $rnd) = unpack "LL", $event->{data};
if (!defined($first_event_is_clientmessage)) {
$first_event_is_clientmessage = ($rnd == $myrnd);
}
return ($rnd == $myrnd);
};
return !$first_event_is_clientmessage;
}
subtest 'Window without WM_TAKE_FOCUS', sub {
fresh_workspace;
my $window = open_window;
ok(!recv_take_focus($window), 'did not receive ClientMessage');
done_testing;
};
subtest 'Window with WM_TAKE_FOCUS and without InputHint', sub {
fresh_workspace;
my $take_focus = $x->atom(name => 'WM_TAKE_FOCUS');
my $window = open_window({
dont_map => 1,
protocols => [ $take_focus ],
});
# add an (empty) WM_HINTS property without the InputHint
$window->delete_hint('input');
$window->map;
ok(recv_take_focus($window), 'got ClientMessage with WM_TAKE_FOCUS atom');
done_testing;
};
# If the InputHint is unspecified, i3 should use the simpler method of focusing
# the window directly rather than using the WM_TAKE_FOCUS protocol.
# XXX: The code paths for an unspecified and set InputHint are
# nearly identical presently, so this is currently used also as a proxy test
# for the latter case.
subtest 'Window with WM_TAKE_FOCUS and unspecified InputHint', sub {
fresh_workspace;
my $take_focus = $x->atom(name => 'WM_TAKE_FOCUS');
my $window = open_window({ protocols => [ $take_focus ] });
ok(!recv_take_focus($window), 'did not receive ClientMessage');
done_testing;
};
done_testing;