clearing text_buffer at the beginning of each update loop

src/input.cpp

@@ -32,6 +32,7 @@ void Input::updateEvents(){
     m_closeRequested = false;
     m_hasBeenResized = false;
     m_delta_vertical_scroll = 0;
+    m_buffer.clear();
 
     if(m_mouseGrabbed)
         m_last_mouse_position = sf::Vector2i(m_window->getSize())/2;
@@ -184,7 +185,6 @@ void Input::setMouseGrabbed(bool isGrabbed)
 std::string Input::getText()
 {
     std::string t = m_buffer;
-    m_buffer.clear();
     return t;
 }