use Exporter ();
our @EXPORT = qw(
inlinec_connect
+ xtest_sync_with_i3
set_xkb_group
xtest_key_press
xtest_key_release
xtest_button_press
xtest_button_release
- listen_for_binding
- start_binding_capture
binding_events
);
# ineffective.
my %sn_config;
BEGIN {
- %sn_config = ExtUtils::PkgConfig->find('xcb-xkb xcb-xtest');
+ %sn_config = ExtUtils::PkgConfig->find('xcb-xkb xcb-xtest xcb-util');
}
use Inline C => Config => LIBS => $sn_config{libs}, CCFLAGS => $sn_config{cflags};
#include <xcb/xcb.h>
#include <xcb/xkb.h>
#include <xcb/xtest.h>
+#include <xcb/xcb_aux.h>
static xcb_connection_t *conn = NULL;
+static xcb_window_t sync_window;
+static xcb_window_t root_window;
+static xcb_atom_t i3_sync_atom;
bool inlinec_connect() {
int screen;
}
free(usereply);
+ xcb_intern_atom_reply_t *reply = xcb_intern_atom_reply(conn, xcb_intern_atom(conn, 0, strlen("I3_SYNC"), "I3_SYNC"), NULL);
+ i3_sync_atom = reply->atom;
+ free(reply);
+
+ xcb_screen_t *root_screen = xcb_aux_get_screen(conn, screen);
+ root_window = root_screen->root;
+ sync_window = xcb_generate_id(conn);
+ xcb_create_window(conn,
+ XCB_COPY_FROM_PARENT, // depth
+ sync_window, // window
+ root_window, // parent
+ -15, // x
+ -15, // y
+ 1, // width
+ 1, // height
+ 0, // border_width
+ XCB_WINDOW_CLASS_INPUT_OUTPUT, // class
+ XCB_COPY_FROM_PARENT, // visual
+ XCB_CW_OVERRIDE_REDIRECT, // value_mask
+ (uint32_t[]){
+ 1, // override_redirect
+ }); // value_list
+
return true;
}
+void xtest_sync_with_i3() {
+ xcb_client_message_event_t ev;
+ memset(&ev, '\0', sizeof(xcb_client_message_event_t));
+
+ const int nonce = rand() % 255;
+
+ ev.response_type = XCB_CLIENT_MESSAGE;
+ ev.window = sync_window;
+ ev.type = i3_sync_atom;
+ ev.format = 32;
+ ev.data.data32[0] = sync_window;
+ ev.data.data32[1] = nonce;
+
+ xcb_send_event(conn, false, root_window, XCB_EVENT_MASK_SUBSTRUCTURE_REDIRECT, (char *)&ev);
+ xcb_flush(conn);
+
+ xcb_generic_event_t *event = NULL;
+ while (1) {
+ free(event);
+ if ((event = xcb_wait_for_event(conn)) == NULL) {
+ break;
+ }
+ if (event->response_type == 0) {
+ fprintf(stderr, "X11 Error received! sequence %x\n", event->sequence);
+ continue;
+ }
+
+ /* Strip off the highest bit (set if the event is generated) */
+ const int type = (event->response_type & 0x7F);
+ switch (type) {
+ case XCB_CLIENT_MESSAGE: {
+ xcb_client_message_event_t *ev = (xcb_client_message_event_t *)event;
+ {
+ const uint32_t got = ev->data.data32[0];
+ const uint32_t want = sync_window;
+ if (got != want) {
+ fprintf(stderr, "Ignoring ClientMessage: unknown window: got %d, want %d\n", got, want);
+ continue;
+ }
+ }
+ {
+ const uint32_t got = ev->data.data32[1];
+ const uint32_t want = nonce;
+ if (got != want) {
+ fprintf(stderr, "Ignoring ClientMessage: unknown nonce: got %d, want %d\n", got, want);
+ continue;
+ }
+ }
+ return;
+ }
+ default:
+ fprintf(stderr, "Unexpected X11 event of type %d received (XCB_CLIENT_MESSAGE = %d)\n", type, XCB_CLIENT_MESSAGE);
+ break;
+ }
+ }
+ free(event);
+}
+
// NOTE: while |group| should be a uint8_t, Inline::C will not define the
// function unless we use an int.
bool set_xkb_group(int group) {
xcb_generic_error_t *err = NULL;
// Needs libxcb ≥ 1.11 so that we have the following bug fix:
- // http://cgit.freedesktop.org/xcb/proto/commit/src/xkb.xml?id=8d7ee5b6ba4cf343f7df70372a3e1f85b82aeed7
+ // https://cgit.freedesktop.org/xcb/proto/commit/src/xkb.xml?id=8d7ee5b6ba4cf343f7df70372a3e1f85b82aeed7
xcb_void_cookie_t cookie = xcb_xkb_latch_lock_state_checked(
conn,
XCB_XKB_ID_USE_CORE_KBD, /* deviceSpec */
=cut
-my $i3;
-our @binding_events;
-
-=head2 start_binding_capture()
-
-Captures all binding events sent by i3 in the C<@binding_events> symbol, so
-that you can verify the correct number of binding events was generated.
-
- my $pid = launch_with_config($config);
- start_binding_capture;
- # …
- sync_with_i3;
- is(scalar @i3test::XTEST::binding_events, 2, 'Received exactly 2 binding events');
-
-=cut
-
-sub start_binding_capture {
- # Store a copy of each binding event so that we can count the expected
- # events in test cases.
- $i3 = i3(get_socket_path());
- $i3->connect()->recv;
- $i3->subscribe({
- binding => sub {
- my ($event) = @_;
- @binding_events = (@binding_events, $event);
- },
- })->recv;
-}
-
-=head2 listen_for_binding($cb)
-
-Helper function to evaluate whether sending KeyPress/KeyRelease events via
-XTEST triggers an i3 key binding or not (with a timeout of 0.5s). Expects key
-bindings to be configured in the form “bindsym <binding> nop <binding>”, e.g.
-“bindsym Mod4+Return nop Mod4+Return”.
-
- is(listen_for_binding(
- sub {
- xtest_key_press(133); # Super_L
- xtest_key_press(36); # Return
- xtest_key_release(36); # Return
- xtest_key_release(133); # Super_L
- },
- ),
- 'Mod4+Return',
- 'triggered the "Mod4+Return" keybinding');
-
-=cut
-
-sub listen_for_binding {
- my ($cb) = @_;
- my $triggered = AnyEvent->condvar;
- my $i3 = i3(get_socket_path());
- $i3->connect()->recv;
- $i3->subscribe({
- binding => sub {
- my ($event) = @_;
- return unless $event->{change} eq 'run';
- # We look at the command (which is “nop <binding>”) because that is
- # easier than re-assembling the string representation of
- # $event->{binding}.
- $triggered->send($event->{binding}->{command});
- },
- })->recv;
-
- my $t;
- $t = AnyEvent->timer(
- after => 0.5,
- cb => sub {
- $triggered->send('timeout');
- }
- );
-
- $cb->();
-
- my $recv = $triggered->recv;
- $recv =~ s/^nop //g;
- return $recv;
-}
-
=head2 set_xkb_group($group)
Changes the current XKB group from the default of 1 to C<$group>, which must be
Returns false when there was an X11 error, true otherwise.
+=head2 xtest_sync_with_i3()
+
+Ensures i3 has processed all X11 events which were triggered by this module.
+
=head1 AUTHOR
Michael Stapelberg <michael@i3wm.org>
projects / i3 / i3 / blobdiff