1 files changed, 71 insertions, 0 deletions
diff --git a/src/3rdparty/xkbcommon/src/x11/x11-state.c b/src/3rdparty/xkbcommon/src/x11/x11-state.c
new file mode 100644
index 0000000000..da7dcc23c2
--- /dev/null
+++ b/src/3rdparty/xkbcommon/src/x11/x11-state.c
@@ -0,0 +1,71 @@
+/*
+ * Copyright © 2013 Ran Benita
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ */
+
+#include "x11-priv.h"
+
+static bool
+update_initial_state(struct xkb_state *state, xcb_connection_t *conn,
+                     uint16_t device_id)
+{
+    xcb_xkb_get_state_cookie_t cookie =
+        xcb_xkb_get_state(conn, device_id);
+    xcb_xkb_get_state_reply_t *reply =
+        xcb_xkb_get_state_reply(conn, cookie, NULL);
+
+    if (!reply)
+        return false;
+
+    xkb_state_update_mask(state,
+                          reply->baseMods,
+                          reply->latchedMods,
+                          reply->lockedMods,
+                          reply->baseGroup,
+                          reply->latchedGroup,
+                          reply->lockedGroup);
+
+    free(reply);
+    return true;
+}
+
+XKB_EXPORT struct xkb_state *
+xkb_x11_state_new_from_device(struct xkb_keymap *keymap,
+                              xcb_connection_t *conn, int32_t device_id)
+{
+    struct xkb_state *state;
+
+    if (device_id < 0 || device_id > 255) {
+        log_err_func(keymap->ctx, "illegal device ID: %d", device_id);
+        return NULL;
+    }
+
+    state = xkb_state_new(keymap);
+    if (!state)
+        return NULL;
+
+    if (!update_initial_state(state, conn, device_id)) {
+        xkb_state_unref(state);
+        return NULL;
+    }
+
+    return state;
+}