user interface – How to freely drag and drop elements on IntelliJ IDEA GUI designer for Java?
user interface – How to freely drag and drop elements on IntelliJ IDEA GUI designer for Java?
I Think this still applies
IntelliJ: How to use No Layout or Absolute Layout like Eclipse?
Layout managers in swing has some sort of boundaries that they work with. As far as i have read in the docs the GUI-builder aims to mimic their behaviours (havent used it myself). Its better to learn how they work instead to position your components properly.
user interface – How to freely drag and drop elements on IntelliJ IDEA GUI designer for Java?
Read up on the managers and their behaviour here:
http://docs.oracle.com/javase/tutorial/uiswing/layout/layoutlist.html