hyprctl: add an active layout index field in devices (#11531)

1 files changed, 13 insertions, 0 deletions

diff --git a/src/devices/IKeyboard.cpp b/src/devices/IKeyboard.cpp
index 4f2281b7..ad9e40d8 100644
--- a/src/devices/IKeyboard.cpp
+++ b/src/devices/IKeyboard.cpp
@@ -266,6 +266,19 @@ void IKeyboard::updateXKBTranslationState(xkb_keymap* const keymap) {
     xkb_context_unref(PCONTEXT);
 }
 
+std::optional<xkb_layout_index_t> IKeyboard::getActiveLayoutIndex() {
+    const auto KEYMAP     = m_xkbKeymap;
+    const auto STATE      = m_xkbState;
+    const auto LAYOUTSNUM = xkb_keymap_num_layouts(KEYMAP);
+
+    for (xkb_layout_index_t i = 0; i < LAYOUTSNUM; ++i) {
+        if (xkb_state_layout_index_is_active(STATE, i, XKB_STATE_LAYOUT_EFFECTIVE) == 1)
+            return i;
+    }
+
+    return {};
+}
+
 std::string IKeyboard::getActiveLayout() {
     const auto KEYMAP     = m_xkbKeymap;
     const auto STATE      = m_xkbState;