+
+ /* 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://sources.debian.net/src/xorg-server/2:1.17.2-1.1/xkb/xkbEvents.c/?hl=927#L927
+ */
+ 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");
+ }
+ if (pcf_reply == NULL ||
+ !(pcf_reply->value & XCB_XKB_PER_CLIENT_FLAG_LOOKUP_STATE_WHEN_GRABBED)) {
+ ELOG("Could not set XCB_XKB_PER_CLIENT_FLAG_LOOKUP_STATE_WHEN_GRABBED\n");
+ }
+ free(pcf_reply);