diff --git a/src/luaenginegui/luaengine/LuaEngineGui.cpp b/src/luaenginegui/luaengine/LuaEngineGui.cpp
index 0825576..9735efd 100644
--- a/src/luaenginegui/luaengine/LuaEngineGui.cpp
+++ b/src/luaenginegui/luaengine/LuaEngineGui.cpp
@@ -84,6 +84,7 @@ void LuaEngineGui::pushClass(lua_State *L_p)
     pushFunction(L_p, "setWidgetSize", setWidgetSize);
     pushFunction(L_p, "setWidgetText", setWidgetText);
     pushFunction(L_p, "setWidgetValue", setWidgetValue);
+    pushFunction(L_p, "widgetAddText", widgetAddText);
     pushVariant(L_p, "ShowCurrent", 0);
     pushVariant(L_p, "ShowNormal", 1);
     pushVariant(L_p, "ShowDefault", 2);
@@ -175,6 +176,7 @@ int LuaEngineGui::showFileDialog(lua_State *L_p)
             fileAcceptMode = QFileDialog::AcceptSave;
             break;
         case 2:
+            fileFormats = QString();
             fileMode = QFileDialog::Directory;
             fileOptions = QFileDialog::ShowDirsOnly;
             break;
@@ -182,13 +184,21 @@ int LuaEngineGui::showFileDialog(lua_State *L_p)
         if (getArgumentCount(L_p) >= 2) {
             dialogTitle = getVariant(L_p, 2).toString();
             if (getArgumentCount(L_p) >= 3) {
-                fileFormats = getVariant(L_p, 3).toString();
-                if (getArgumentCount(L_p) >= 4) {
-                    void *pointer = getPointer(L_p, 4);
+                if (fileMode == QFileDialog::Directory) {
+                    void *pointer = getPointer(L_p, 3);
                     if (pointer != NULL && ((QObject*)pointer)->inherits("QWidget")) {
                         parent = (QWidget*)pointer;
                     }
                 }
+                else {
+                    fileFormats = getVariant(L_p, 3).toString();
+                    if (getArgumentCount(L_p) >= 4) {
+                        void *pointer = getPointer(L_p, 4);
+                        if (pointer != NULL && ((QObject*)pointer)->inherits("QWidget")) {
+                            parent = (QWidget*)pointer;
+                        }
+                    }
+                }
             }
         }
     }
@@ -625,6 +635,25 @@ int LuaEngineGui::layoutAddWidget(lua_State *L_p)
     return 0;
 }
 
+int LuaEngineGui::widgetAddText(lua_State *L_p)
+{
+    if (getArgumentCount(L_p) >= 2) {
+        void *pointer = getPointer(L_p, 1);
+        if (pointer != NULL) {
+            if (((QObject*)pointer)->inherits("QLineEdit")) {
+                ((QLineEdit*)pointer)->setText(((QLineEdit*)pointer)->text() + getVariant(L_p, 2).toString());
+            }
+            else if (((QObject*)pointer)->inherits("QPlainTextEdit")) {
+                ((QPlainTextEdit*)pointer)->appendPlainText(getVariant(L_p, 2).toString());
+            }
+            else if (((QObject*)pointer)->inherits("QTextEdit")) {
+                ((QTextEdit*)pointer)->append(getVariant(L_p, 2).toString());
+            }
+        }
+    }
+    return 0;
+}
+
 int LuaEngineGui::createCentralWidget(lua_State *L_p)
 {
     if (getArgumentCount(L_p) >= 1) {
diff --git a/src/luaenginegui/luaengine/LuaEngineGui.h b/src/luaenginegui/luaengine/LuaEngineGui.h
index b9fd380..ee4149b 100644
--- a/src/luaenginegui/luaengine/LuaEngineGui.h
+++ b/src/luaenginegui/luaengine/LuaEngineGui.h
@@ -49,6 +49,7 @@ public:
     static int setWidgetValue(lua_State *L_p);
     static int layoutAddLayout(lua_State *L_p);
     static int layoutAddWidget(lua_State *L_p);
+    static int widgetAddText(lua_State *L_p);
     static int createCentralWidget(lua_State *L_p);
     static int createCheckBox(lua_State *L_p);
     static int createDialog(lua_State *L_p);