fix active keymap in hyprctl devices

src/debug/HyprCtl.cpp

@@ -300,7 +300,7 @@ R"#(    {
 
         result += "\"keyboards\": [\n";
         for (auto& k : g_pInputManager->m_lKeyboards) {
-            const auto KM = xkb_keymap_layout_get_name(wlr_keyboard_from_input_device(k.keyboard)->keymap, 0);
+            const auto KM = g_pInputManager->getActiveLayoutForKeyboard(&k);
             result += getFormat(
 R"#(    {
         "address": "0x%x",
@@ -385,7 +385,7 @@ R"#(    {
         result += "\n\nKeyboards:\n";
 
         for (auto& k : g_pInputManager->m_lKeyboards) {
-            const auto KM = xkb_keymap_layout_get_name(wlr_keyboard_from_input_device(k.keyboard)->keymap, 0);
+            const auto KM = g_pInputManager->getActiveLayoutForKeyboard(&k);
             result += getFormat("\tKeyboard at %x:\n\t\t%s\n\t\t\trules: r \"%s\", m \"%s\", l \"%s\", v \"%s\", o \"%s\"\n\t\t\tactive keymap: %s\n", &k, k.keyboard->name, k.currentRules.rules.c_str(), k.currentRules.model.c_str(), k.currentRules.layout.c_str(), k.currentRules.variant.c_str(), k.currentRules.options.c_str(), KM);
         }
 

src/managers/input/InputManager.cpp

@@ -887,3 +887,22 @@ uint32_t CInputManager::accumulateModsFromAllKBs() {
 
     return finalMask;
 }
+
+std::string CInputManager::getActiveLayoutForKeyboard(SKeyboard* pKeyboard) {
+    const auto WLRKB = wlr_keyboard_from_input_device(pKeyboard->keyboard);
+    const auto KEYMAP = WLRKB->keymap;
+    const auto STATE = WLRKB->xkb_state;
+    const auto LAYOUTSNUM = xkb_keymap_num_layouts(KEYMAP);
+
+    for (auto i = 0; i < LAYOUTSNUM; ++i) {
+        if (xkb_state_layout_index_is_active(STATE, i, XKB_STATE_LAYOUT_EFFECTIVE)) {
+            const auto LAYOUTNAME = xkb_keymap_layout_get_name(KEYMAP, i);
+
+            if (LAYOUTNAME) 
+                return std::string(LAYOUTNAME);
+            return "error";
+        }
+    }
+
+    return "none";
+}

src/managers/input/InputManager.hpp

@@ -35,6 +35,7 @@ public:
     void            constrainMouse(SMouse*, wlr_pointer_constraint_v1*);
     void            recheckConstraint(SMouse*);
     void            unconstrainMouse();
+    std::string     getActiveLayoutForKeyboard(SKeyboard*);
 
     Vector2D        getMouseCoordsInternal();
     void            refocus();