Allow for mapping keycodes to current layout

1 files changed, 18 insertions, 0 deletions

diff --git a/platform/linuxbsd/display_server_x11.cpp b/platform/linuxbsd/display_server_x11.cpp
index 5c6824cf44..a0a5522235 100644
--- a/platform/linuxbsd/display_server_x11.cpp
+++ b/platform/linuxbsd/display_server_x11.cpp
@@ -2068,6 +2068,24 @@ String DisplayServerX11::keyboard_get_layout_name(int p_index) const {
 	return ret;
 }
 
+Key DisplayServerX11::keyboard_get_keycode_from_physical(Key p_keycode) const {
+	unsigned int modifiers = p_keycode & KEY_MODIFIER_MASK;
+	unsigned int keycode_no_mod = p_keycode & KEY_CODE_MASK;
+	unsigned int xkeycode = KeyMappingX11::get_xlibcode((Key)keycode_no_mod);
+	KeySym xkeysym = XkbKeycodeToKeysym(x11_display, xkeycode, 0, 0);
+	if (xkeysym >= 'a' && xkeysym <= 'z') {
+		xkeysym -= ('a' - 'A');
+	}
+
+	Key key = KeyMappingX11::get_keycode(xkeysym);
+	// If not found, fallback to QWERTY.
+	// This should match the behavior of the event pump
+	if (key == KEY_NONE) {
+		return p_keycode;
+	}
+	return (Key)(key | modifiers);
+}
+
 DisplayServerX11::Property DisplayServerX11::_read_property(Display *p_display, Window p_window, Atom p_property) {
 	Atom actual_type = None;
 	int actual_format = 0;