title: Generate .h and .cpp from .ui file
body: <p>Suppose I have the file <strong>about.ui</strong>.
  How can I make the <strong>"about.h"</strong> and the <strong>"about.cpp"</strong> from my <strong>.ui</strong> file?  I have to create a <strong>.moc</strong> file too?
  How can I <em>compile</em> this after the creaton to see if all ocurred correctly?</p>