463 lines
12 KiB
Perl
463 lines
12 KiB
Perl
package i3test;
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# vim:ts=4:sw=4:expandtab
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use strict; use warnings;
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use File::Temp qw(tmpnam tempfile tempdir);
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use Test::Builder;
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use X11::XCB::Rect;
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use X11::XCB::Window;
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use X11::XCB qw(:all);
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use AnyEvent::I3;
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use EV;
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use List::Util qw(first);
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use Time::HiRes qw(sleep);
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use Cwd qw(abs_path);
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use SocketActivation;
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use v5.10;
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use Exporter ();
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our @EXPORT = qw(
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get_workspace_names
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get_unused_workspace
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fresh_workspace
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get_ws_content
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get_ws
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get_focused
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open_empty_con
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open_window
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open_floating_window
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get_dock_clients
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cmd
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sync_with_i3
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does_i3_live
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exit_gracefully
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workspace_exists
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focused_ws
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get_socket_path
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launch_with_config
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wait_for_event
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wait_for_map
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wait_for_unmap
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);
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my $tester = Test::Builder->new();
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my $_cached_socket_path = undef;
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my $_sync_window = undef;
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my $tmp_socket_path = undef;
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BEGIN {
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my $window_count = 0;
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sub counter_window {
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return $window_count++;
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}
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}
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sub import {
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my $class = shift;
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my $pkg = caller;
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eval "package $pkg;
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use Test::Most" . (@_ > 0 ? " qw(@_)" : "") . ";
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use Data::Dumper;
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use AnyEvent::I3;
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use Time::HiRes qw(sleep);
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use Test::Deep qw(eq_deeply cmp_deeply cmp_set cmp_bag cmp_methods useclass noclass set bag subbagof superbagof subsetof supersetof superhashof subhashof bool str arraylength Isa ignore methods regexprefonly regexpmatches num regexponly scalref reftype hashkeysonly blessed array re hash regexpref hash_each shallow array_each code arrayelementsonly arraylengthonly scalarrefonly listmethods any hashkeys isa);
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use v5.10;
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use strict;
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use warnings;
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";
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@_ = ($class);
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goto \&Exporter::import;
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}
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#
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# Waits for the next event and calls the given callback for every event to
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# determine if this is the event we are waiting for.
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#
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# Can be used to wait until a window is mapped, until a ClientMessage is
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# received, etc.
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#
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# wait_for_event $x, 0.25, sub { $_[0]->{response_type} == MAP_NOTIFY };
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#
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sub wait_for_event {
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my ($x, $timeout, $cb) = @_;
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my $cv = AE::cv;
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my $prep = EV::prepare sub {
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$x->flush;
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};
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my $check = EV::check sub {
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while (defined(my $event = $x->poll_for_event)) {
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if ($cb->($event)) {
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$cv->send(1);
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last;
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}
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}
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};
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my $watcher = EV::io $x->get_file_descriptor, EV::READ, sub {
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# do nothing, we only need this watcher so that EV picks up the events
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};
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# Trigger timeout after $timeout seconds (can be fractional)
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my $t = AE::timer $timeout, 0, sub { warn "timeout ($timeout secs)"; $cv->send(0) };
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my $result = $cv->recv;
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undef $t;
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return $result;
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}
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# thin wrapper around wait_for_event which waits for MAP_NOTIFY
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# make sure to include 'structure_notify' in the window’s event_mask attribute
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sub wait_for_map {
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my ($x) = @_;
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wait_for_event $x, 2, sub { $_[0]->{response_type} == MAP_NOTIFY };
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}
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# Wrapper around wait_for_event which waits for UNMAP_NOTIFY. Also calls
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# sync_with_i3 to make sure i3 also picked up and processed the UnmapNotify
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# event.
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sub wait_for_unmap {
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my ($x) = @_;
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wait_for_event $x, 2, sub { $_[0]->{response_type} == UNMAP_NOTIFY };
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sync_with_i3($x);
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}
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#
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# Opens a new window (see X11::XCB::Window), maps it, waits until it got mapped
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# and synchronizes with i3.
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#
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# set dont_map to a true value to avoid mapping
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#
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# default values:
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# class => WINDOW_CLASS_INPUT_OUTPUT
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# rect => [ 0, 0, 30, 30 ]
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# background_color => '#c0c0c0'
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# event_mask => [ 'structure_notify' ]
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# name => 'Window <n>'
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#
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sub open_window {
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my ($x, $args) = @_;
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my %args = ($args ? %$args : ());
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my $dont_map = delete $args{dont_map};
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$args{class} //= WINDOW_CLASS_INPUT_OUTPUT;
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$args{rect} //= [ 0, 0, 30, 30 ];
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$args{background_color} //= '#c0c0c0';
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$args{event_mask} //= [ 'structure_notify' ];
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$args{name} //= 'Window ' . counter_window();
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my $window = $x->root->create_child(%args);
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return $window if $dont_map;
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$window->map;
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wait_for_map($x);
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# We sync with i3 here to make sure $x->input_focus is updated.
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sync_with_i3($x);
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return $window;
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}
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# Thin wrapper around open_window which sets window_type to
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# _NET_WM_WINDOW_TYPE_UTILITY to make the window floating.
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sub open_floating_window {
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my ($x, $args) = @_;
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my %args = ($args ? %$args : ());
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$args{window_type} = $x->atom(name => '_NET_WM_WINDOW_TYPE_UTILITY');
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return open_window($x, \%args);
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}
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sub open_empty_con {
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my ($i3) = @_;
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my $reply = $i3->command('open')->recv;
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return $reply->{id};
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}
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sub get_workspace_names {
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my $i3 = i3(get_socket_path());
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my $tree = $i3->get_tree->recv;
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my @outputs = @{$tree->{nodes}};
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my @cons;
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for my $output (@outputs) {
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# get the first CT_CON of each output
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my $content = first { $_->{type} == 2 } @{$output->{nodes}};
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@cons = (@cons, @{$content->{nodes}});
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}
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[ map { $_->{name} } @cons ]
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}
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sub get_unused_workspace {
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my @names = get_workspace_names();
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my $tmp;
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do { $tmp = tmpnam() } while ($tmp ~~ @names);
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$tmp
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}
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sub fresh_workspace {
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my $unused = get_unused_workspace;
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cmd("workspace $unused");
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$unused
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}
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sub get_ws {
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my ($name) = @_;
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my $i3 = i3(get_socket_path());
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my $tree = $i3->get_tree->recv;
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my @outputs = @{$tree->{nodes}};
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my @workspaces;
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for my $output (@outputs) {
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# get the first CT_CON of each output
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my $content = first { $_->{type} == 2 } @{$output->{nodes}};
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@workspaces = (@workspaces, @{$content->{nodes}});
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}
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# as there can only be one workspace with this name, we can safely
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# return the first entry
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return first { $_->{name} eq $name } @workspaces;
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}
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#
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# returns the content (== tree, starting from the node of a workspace)
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# of a workspace. If called in array context, also includes the focus
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# stack of the workspace
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#
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sub get_ws_content {
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my ($name) = @_;
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my $con = get_ws($name);
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return wantarray ? ($con->{nodes}, $con->{focus}) : $con->{nodes};
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}
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sub get_focused {
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my ($ws) = @_;
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my $con = get_ws($ws);
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my @focused = @{$con->{focus}};
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my $lf;
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while (@focused > 0) {
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$lf = $focused[0];
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last unless defined($con->{focus});
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@focused = @{$con->{focus}};
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my @cons = grep { $_->{id} == $lf } (@{$con->{nodes}}, @{$con->{'floating_nodes'}});
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$con = $cons[0];
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}
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return $lf;
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}
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sub get_dock_clients {
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my $which = shift;
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my $tree = i3(get_socket_path())->get_tree->recv;
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my @outputs = @{$tree->{nodes}};
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# Children of all dockareas
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my @docked;
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for my $output (@outputs) {
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if (!defined($which)) {
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@docked = (@docked, map { @{$_->{nodes}} }
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grep { $_->{type} == 5 }
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@{$output->{nodes}});
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} elsif ($which eq 'top') {
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my $first = first { $_->{type} == 5 } @{$output->{nodes}};
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@docked = (@docked, @{$first->{nodes}});
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} elsif ($which eq 'bottom') {
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my @matching = grep { $_->{type} == 5 } @{$output->{nodes}};
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my $last = $matching[-1];
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@docked = (@docked, @{$last->{nodes}});
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}
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}
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return @docked;
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}
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sub cmd {
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i3(get_socket_path())->command(@_)->recv
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}
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sub workspace_exists {
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my ($name) = @_;
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($name ~~ @{get_workspace_names()})
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}
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sub focused_ws {
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my $i3 = i3(get_socket_path());
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my $tree = $i3->get_tree->recv;
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my @outputs = @{$tree->{nodes}};
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my @cons;
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for my $output (@outputs) {
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# get the first CT_CON of each output
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my $content = first { $_->{type} == 2 } @{$output->{nodes}};
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my $first = first { $_->{fullscreen_mode} == 1 } @{$content->{nodes}};
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return $first->{name}
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}
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}
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#
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# Sends an I3_SYNC ClientMessage with a random value to the root window.
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# i3 will reply with the same value, but, due to the order of events it
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# processes, only after all other events are done.
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#
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# This can be used to ensure the results of a cmd 'focus left' are pushed to
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# X11 and that $x->input_focus returns the correct value afterwards.
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#
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# See also docs/testsuite for a long explanation
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#
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sub sync_with_i3 {
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my ($x) = @_;
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# Since we need a (mapped) window for receiving a ClientMessage, we create
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# one on the first call of sync_with_i3. It will be re-used in all
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# subsequent calls.
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if (!defined($_sync_window)) {
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$_sync_window = $x->root->create_child(
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class => WINDOW_CLASS_INPUT_OUTPUT,
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rect => X11::XCB::Rect->new(x => -15, y => -15, width => 10, height => 10 ),
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override_redirect => 1,
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background_color => '#ff0000',
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event_mask => [ 'structure_notify' ],
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);
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$_sync_window->map;
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wait_for_event $x, 2, sub { $_[0]->{response_type} == MAP_NOTIFY };
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}
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my $root = $x->get_root_window();
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# Generate a random number to identify this particular ClientMessage.
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my $myrnd = int(rand(255)) + 1;
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# Generate a ClientMessage, see xcb_client_message_t
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my $msg = pack "CCSLLLLLLL",
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CLIENT_MESSAGE, # response_type
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32, # format
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0, # sequence
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$root, # destination window
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$x->atom(name => 'I3_SYNC')->id,
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$_sync_window->id, # data[0]: our own window id
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$myrnd, # data[1]: a random value to identify the request
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0,
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0,
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0;
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# Send it to the root window -- since i3 uses the SubstructureRedirect
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# event mask, it will get the ClientMessage.
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$x->send_event(0, $root, EVENT_MASK_SUBSTRUCTURE_REDIRECT, $msg);
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# now wait until the reply is here
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return wait_for_event $x, 2, sub {
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my ($event) = @_;
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# TODO: const
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return 0 unless $event->{response_type} == 161;
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my ($win, $rnd) = unpack "LL", $event->{data};
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return ($rnd == $myrnd);
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};
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}
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sub does_i3_live {
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my $tree = i3(get_socket_path())->get_tree->recv;
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my @nodes = @{$tree->{nodes}};
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my $ok = (@nodes > 0);
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$tester->ok($ok, 'i3 still lives');
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return $ok;
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}
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# Tries to exit i3 gracefully (with the 'exit' cmd) or kills the PID if that fails
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sub exit_gracefully {
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my ($pid, $socketpath) = @_;
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$socketpath ||= get_socket_path();
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my $exited = 0;
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eval {
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say "Exiting i3 cleanly...";
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i3($socketpath)->command('exit')->recv;
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$exited = 1;
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};
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if (!$exited) {
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kill(9, $pid) or die "could not kill i3";
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}
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if ($socketpath =~ m,^/tmp/i3-test-socket-,) {
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unlink($socketpath);
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}
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}
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# Gets the socket path from the I3_SOCKET_PATH atom stored on the X11 root window
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sub get_socket_path {
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my ($cache) = @_;
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$cache ||= 1;
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if ($cache && defined($_cached_socket_path)) {
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return $_cached_socket_path;
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}
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my $x = X11::XCB::Connection->new;
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my $atom = $x->atom(name => 'I3_SOCKET_PATH');
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my $cookie = $x->get_property(0, $x->get_root_window(), $atom->id, GET_PROPERTY_TYPE_ANY, 0, 256);
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my $reply = $x->get_property_reply($cookie->{sequence});
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my $socketpath = $reply->{value};
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$_cached_socket_path = $socketpath;
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return $socketpath;
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}
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#
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# launches a new i3 process with the given string as configuration file.
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# useful for tests which test specific config file directives.
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#
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# be sure to use !NO_I3_INSTANCE! somewhere in the file to signal
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# complete-run.pl that it should not create an instance of i3
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#
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sub launch_with_config {
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my ($config, $dont_add_socket_path) = @_;
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$dont_add_socket_path //= 0;
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if (!defined($tmp_socket_path)) {
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$tmp_socket_path = File::Temp::tempnam('/tmp', 'i3-test-socket-');
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}
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my ($fh, $tmpfile) = tempfile('/tmp/i3-test-config-XXXXX', UNLINK => 1);
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say $fh $config;
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say $fh "ipc-socket $tmp_socket_path" unless $dont_add_socket_path;
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close($fh);
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my $cv = AnyEvent->condvar;
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my $pid = activate_i3(
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unix_socket_path => "$tmp_socket_path-activation",
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display => $ENV{DISPLAY},
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configfile => $tmpfile,
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outdir => $ENV{OUTDIR},
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testname => $ENV{TESTNAME},
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valgrind => $ENV{VALGRIND},
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strace => $ENV{STRACE},
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cv => $cv,
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);
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# blockingly wait until i3 is ready
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$cv->recv;
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# force update of the cached socket path in lib/i3test
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get_socket_path(0);
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return $pid;
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}
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package i3test::X11;
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use parent 'X11::XCB::Connection';
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sub input_focus {
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my $self = shift;
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i3test::sync_with_i3($self);
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return $self->SUPER::input_focus(@_);
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}
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1
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