I am newbie to Qt. So I would like to ask how create the app that would display (indx) the file system (or some directory). Then it should write this file to XML (with name, size etc). This app should also has capability to search for file. So I want to one how to create such application, what components of Qt I should use, where I can refere for similar examples, especially for this 3 issues and creating such interface. How much work it needs and how many files I should create?