contains classes for layouting widgets (e.g. for dialogs, parameter set masters)
contains classes for layouting widgets (e.g. for dialogs, parameter set masters)
Create and return a standard layout (child at top, button box at bottom).
Create and return a parameter set layout (child at left, parameter set widget right, button box at bottom).
Create and return a dialog layout (pixmap left, child right, button box at bottom).