From 5ba33f846129f3e6c0505b19f94634b24505e828 Mon Sep 17 00:00:00 2001
From: Vaxry <43317083+vaxerski@users.noreply.github.com>
Date: Sun, 26 Apr 2026 15:16:36 +0100
Subject: config/lua: init lua config manager, use lua if available (#13817)

Adds a new lua config manager, which will automatically be used if there is a lua config present.
---
 src/config/lua/objects/LuaLayerSurface.cpp | 88 ++++++++++++++++++++++++++++++
 1 file changed, 88 insertions(+)
 create mode 100644 src/config/lua/objects/LuaLayerSurface.cpp

(limited to 'src/config/lua/objects/LuaLayerSurface.cpp')

diff --git a/src/config/lua/objects/LuaLayerSurface.cpp b/src/config/lua/objects/LuaLayerSurface.cpp
new file mode 100644
index 00000000..99b22154
--- /dev/null
+++ b/src/config/lua/objects/LuaLayerSurface.cpp
@@ -0,0 +1,88 @@
+#include "LuaLayerSurface.hpp"
+#include "LuaMonitor.hpp"
+#include "LuaObjectHelpers.hpp"
+
+#include "../../../desktop/view/LayerSurface.hpp"
+
+#include <format>
+#include <string_view>
+
+using namespace Config::Lua;
+
+static constexpr const char* MT = "HL.LayerSurface";
+
+//
+static int layerSurfaceEq(lua_State* L) {
+    const auto* lhs = sc<PHLLSREF*>(luaL_checkudata(L, 1, MT));
+    const auto* rhs = sc<PHLLSREF*>(luaL_checkudata(L, 2, MT));
+
+    lua_pushboolean(L, lhs->lock() == rhs->lock());
+    return 1;
+}
+
+static int layerSurfaceToString(lua_State* L) {
+    const auto* ref = sc<PHLLSREF*>(luaL_checkudata(L, 1, MT));
+    const auto  ls  = ref->lock();
+
+    if (!ls)
+        lua_pushstring(L, "HL.LayerSurface(expired)");
+    else
+        lua_pushfstring(L, "HL.LayerSurface(%p)", ls.get());
+
+    return 1;
+}
+
+static int layerSurfaceIndex(lua_State* L) {
+    auto*      ref = sc<PHLLSREF*>(luaL_checkudata(L, 1, MT));
+    const auto ls  = ref->lock();
+    if (!ls) {
+        Log::logger->log(Log::DEBUG, "[lua] Tried to access an expired object");
+        lua_pushnil(L);
+        return 1;
+    }
+
+    const std::string_view key = luaL_checkstring(L, 2);
+
+    if (key == "address")
+        lua_pushstring(L, std::format("0x{:x}", reinterpret_cast<uintptr_t>(ls.get())).c_str());
+    else if (key == "x")
+        lua_pushinteger(L, ls->m_geometry.x);
+    else if (key == "y")
+        lua_pushinteger(L, ls->m_geometry.y);
+    else if (key == "w")
+        lua_pushinteger(L, ls->m_geometry.width);
+    else if (key == "h")
+        lua_pushinteger(L, ls->m_geometry.height);
+    else if (key == "namespace")
+        lua_pushstring(L, ls->m_namespace.c_str());
+    else if (key == "pid")
+        lua_pushinteger(L, sc<lua_Integer>(ls->getPID()));
+    else if (key == "monitor") {
+        const auto mon = ls->m_monitor.lock();
+        if (mon)
+            Objects::CLuaMonitor::push(L, mon);
+        else
+            lua_pushnil(L);
+    } else if (key == "mapped")
+        lua_pushboolean(L, ls->m_mapped);
+    else if (key == "layer")
+        lua_pushinteger(L, sc<lua_Integer>(ls->m_layer));
+    else if (key == "interactivity")
+        lua_pushinteger(L, sc<lua_Integer>(ls->m_interactivity));
+    else if (key == "above_fullscreen")
+        lua_pushboolean(L, ls->m_aboveFullscreen);
+    else
+        lua_pushnil(L);
+
+    return 1;
+}
+
+void Objects::CLuaLayerSurface::setup(lua_State* L) {
+    registerMetatable(L, MT, layerSurfaceIndex, gcRef<PHLLSREF>, layerSurfaceEq, layerSurfaceToString);
+}
+
+void Objects::CLuaLayerSurface::push(lua_State* L, PHLLS ls) {
+    new (lua_newuserdata(L, sizeof(PHLLSREF))) PHLLSREF(ls ? ls->m_self : nullptr);
+    luaL_getmetatable(L, MT);
+    lua_setmetatable(L, -2);
+}
-- 
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