Geometry Management

These classes provide automatic geometry management of widgets.

Classes:

• QBoxLayout (Lines up child widgets horizontally or vertically)
• QGManager (One-dimensional geometry management)
• QGridLayout (Lays out child widgets in a grid)
• QHBoxLayout (Lines up child widgets horizontally)
• QLayout (The base class of geometry specifiers)
• QVBoxLayout (Lines up child widgets vertically)