- if (xkb_supported) {
- int errBase,
- major = XkbMajorVersion,
- minor = XkbMinorVersion;
-
- if (fcntl(ConnectionNumber(xkbdpy), F_SETFD, FD_CLOEXEC) == -1) {
- fprintf(stderr, "Could not set FD_CLOEXEC on xkbdpy\n");
- return 1;
- }
-
- int i1;
- if (!XkbQueryExtension(xkbdpy, &i1, &xkb_event_base, &errBase, &major, &minor)) {
- fprintf(stderr, "XKB not supported by X-server\n");
- xkb_supported = false;
+ const xcb_query_extension_reply_t *extreply;
+ extreply = xcb_get_extension_data(conn, &xcb_xkb_id);
+ xkb_supported = extreply->present;
+ if (!extreply->present) {
+ DLOG("xkb is not present on this server\n");
+ } else {
+ DLOG("initializing xcb-xkb\n");
+ xcb_xkb_use_extension(conn, XCB_XKB_MAJOR_VERSION, XCB_XKB_MINOR_VERSION);
+ xcb_xkb_select_events(conn,
+ XCB_XKB_ID_USE_CORE_KBD,
+ XCB_XKB_EVENT_TYPE_STATE_NOTIFY | XCB_XKB_EVENT_TYPE_MAP_NOTIFY | XCB_XKB_EVENT_TYPE_NEW_KEYBOARD_NOTIFY,
+ 0,
+ XCB_XKB_EVENT_TYPE_STATE_NOTIFY | XCB_XKB_EVENT_TYPE_MAP_NOTIFY | XCB_XKB_EVENT_TYPE_NEW_KEYBOARD_NOTIFY,
+ 0xff,
+ 0xff,
+ NULL);
+
+ /* Setting both, XCB_XKB_PER_CLIENT_FLAG_GRABS_USE_XKB_STATE and
+ * XCB_XKB_PER_CLIENT_FLAG_LOOKUP_STATE_WHEN_GRABBED, will lead to the
+ * X server sending us the full XKB state in KeyPress and KeyRelease:
+ * https://cgit.freedesktop.org/xorg/xserver/tree/xkb/xkbEvents.c?h=xorg-server-1.20.0#n927
+ */
+ xcb_xkb_per_client_flags_reply_t *pcf_reply;
+ /* The last three parameters are unset because they are only relevant
+ * when using a feature called “automatic reset of boolean controls”:
+ * https://www.x.org/releases/X11R7.7/doc/kbproto/xkbproto.html#Automatic_Reset_of_Boolean_Controls
+ * */
+ pcf_reply = xcb_xkb_per_client_flags_reply(
+ conn,
+ xcb_xkb_per_client_flags(
+ conn,
+ XCB_XKB_ID_USE_CORE_KBD,
+ XCB_XKB_PER_CLIENT_FLAG_GRABS_USE_XKB_STATE | XCB_XKB_PER_CLIENT_FLAG_LOOKUP_STATE_WHEN_GRABBED,
+ XCB_XKB_PER_CLIENT_FLAG_GRABS_USE_XKB_STATE | XCB_XKB_PER_CLIENT_FLAG_LOOKUP_STATE_WHEN_GRABBED,
+ 0 /* uint32_t ctrlsToChange */,
+ 0 /* uint32_t autoCtrls */,
+ 0 /* uint32_t autoCtrlsValues */),
+ NULL);
+ if (pcf_reply == NULL ||
+ !(pcf_reply->value & XCB_XKB_PER_CLIENT_FLAG_GRABS_USE_XKB_STATE)) {
+ ELOG("Could not set XCB_XKB_PER_CLIENT_FLAG_GRABS_USE_XKB_STATE\n");