auto trim hostname and port when joining host

Classes/gframe/game.h

@@ -175,6 +175,13 @@ public:
 		return focus && focus->hasType(type);
 	}
 
+	void TrimText(irr::gui::IGUIElement* editbox) const {
+	    irr::core::stringw text(editbox->getText());
+	    text.trim();
+	    editbox->setText(text.c_str());
+	}
+
+
 	template<typename T>
 	static std::vector<T> TokenizeString(T input, const T& token);
 

Classes/gframe/menu_handler.cpp

@@ -76,6 +76,8 @@ bool MenuHandler::OnEvent(const irr::SEvent& event) {
 			}
 			case BUTTON_JOIN_HOST: {
 				bot_mode = false;
+				mainGame->TrimText(mainGame->ebJoinHost);
+				mainGame->TrimText(mainGame->ebJoinPort);
 				char ip[20];
 				const wchar_t* pstr = mainGame->ebJoinHost->getText();
 				BufferIO::CopyWStr(pstr, ip, 16);