file.find fix + input.mousecode

src/logic/scripting/lua/libfile.cpp

@@ -17,8 +17,12 @@ static fs::path resolve_path(lua_State*, const std::string& path) {
 
 static int l_file_find(lua_State* L) {
     std::string path = lua_tostring(L, 1);
-    lua_pushstring(L, scripting::engine->getResPaths()->findRaw(path).c_str());
-    return 1;
+    try {
+        lua_pushstring(L, scripting::engine->getResPaths()->findRaw(path).c_str());
+        return 1;
+    } catch (const std::runtime_error& err) {
+        return 0;
+    }
 }
 
 static int l_file_resolve(lua_State* L) {

src/logic/scripting/lua/libinput.cpp

@@ -25,6 +25,12 @@ static int l_keycode(lua_State* L) {
     return 1;
 }
 
+static int l_mousecode(lua_State* L) {
+    const char* name = state->requireString(1);
+    lua_pushinteger(L, static_cast<int>(input_util::mousecode_from(name)));
+    return 1;
+}
+
 static int l_add_callback(lua_State* L) {
     auto bindname = state->requireString(1);
     const auto& bind = Events::bindings.find(bindname);
@@ -51,6 +57,7 @@ static int l_get_mouse_pos(lua_State* L) {
 
 const luaL_Reg inputlib [] = {
     {"keycode", lua_wrap_errors<l_keycode>},
+    {"mousecode", lua_wrap_errors<l_mousecode>},
     {"add_callback", lua_wrap_errors<l_add_callback>},
     {"get_mouse_pos", lua_wrap_errors<l_get_mouse_pos>},
     {NULL, NULL}