Method OnEditboxChanged

src/script/script_gui.cpp:1068–1075

	}

	void OnEditboxChanged(WidgetID wid) override
	{
		if (wid != WID_SCRD_BREAK_STR_EDIT_BOX) return;

		/* Save the current string to static member so it can be restored next time the window is opened. */
		this->filter.break_string = this->break_editbox.text.GetText();
		this->break_string_filter.SetFilterTerm(this->filter.break_string);
	}

	/**
	 * Some data on this window has become invalid.