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.

1 files changed, 66 insertions, 0 deletions

diff --git a/src/config/lua/bindings/LuaBindingsRegistration.cpp b/src/config/lua/bindings/LuaBindingsRegistration.cpp
new file mode 100644
index 00000000..ba6804a9
--- /dev/null
+++ b/src/config/lua/bindings/LuaBindingsRegistration.cpp
@@ -0,0 +1,66 @@
+#include "LuaBindingsInternal.hpp"
+
+#include "../objects/LuaEventSubscription.hpp"
+#include "../objects/LuaKeybind.hpp"
+#include "../objects/LuaLayerRule.hpp"
+#include "../objects/LuaNotification.hpp"
+#include "../objects/LuaTimer.hpp"
+#include "../objects/LuaWindowRule.hpp"
+
+using namespace Config;
+using namespace Config::Lua;
+using namespace Config::Lua::Bindings;
+
+static int hlPrint(lua_State* L) {
+    const int   n = lua_gettop(L);
+    std::string out;
+    for (int i = 1; i <= n; i++) {
+        size_t      len = 0;
+        const char* s   = luaL_tolstring(L, i, &len);
+        if (i > 1)
+            out += '\t';
+        out.append(s, len);
+        lua_pop(L, 1);
+    }
+    Log::logger->log(Log::INFO, "[Lua] {}", out);
+    return 0;
+}
+
+void Internal::registerBindingsImpl(lua_State* L, CConfigManager* mgr) {
+    Objects::CLuaTimer{}.setup(L);
+    Objects::CLuaEventSubscription{}.setup(L);
+    Objects::CLuaWindowRule{}.setup(L);
+    Objects::CLuaLayerRule{}.setup(L);
+    Objects::CLuaKeybind{}.setup(L);
+    Objects::CLuaNotification{}.setup(L);
+
+    g_pKeybindManager->m_dispatchers["__lua"] = [L](std::string arg) -> SDispatchResult {
+        int ref = std::stoi(arg);
+        lua_rawgeti(L, LUA_REGISTRYINDEX, ref);
+
+        int status = LUA_OK;
+        if (auto* mgr = CConfigManager::fromLuaState(L); mgr)
+            status = mgr->guardedPCall(0, 0, 0, CConfigManager::LUA_TIMEOUT_KEYBIND_CALLBACK_MS, "keybind callback");
+        else
+            status = lua_pcall(L, 0, 0, 0);
+
+        if (status != LUA_OK) {
+            Config::Lua::mgr()->addError(std::format("error in keybind lambda: {}", lua_tostring(L, -1)));
+            lua_pop(L, 1);
+        }
+        return {};
+    };
+
+    lua_newtable(L);
+
+    Internal::registerConfigRuleBindings(L, mgr);
+    Internal::registerToplevelBindings(L, mgr);
+    Internal::registerQueryBindings(L);
+    Internal::registerDispatcherBindings(L);
+    Internal::registerNotificationBindings(L);
+
+    lua_setglobal(L, "hl");
+
+    lua_pushcfunction(L, hlPrint);
+    lua_setglobal(L, "print");
+}