For all: - Padding is applied to each {@Shape} via {@link Shape#setPaddding(Padding)} if passed in constructor BoxLayout: - Optionally centered {@link Alignment.Bit#CenterHoriz horizontally}, {@link Alignment.Bit#CenterVert vertically} or {@link Alignment#Center both}. - Optionally scaled to cell-size if given and {@link Alignment#Fill} - Margin is ignored on dimension with center {@link Alignment} - Not implemented {@link Alignment}: Top, Right, Bottom, Left GridLayout: - Optionally centered {@link Alignment.Bit#CenterHoriz horizontally}, {@link Alignment.Bit#CenterVert vertically} or {@link Alignment#Center both}. - Optionally scaled to cell-size if given and {@link Alignment#Fill} - Without cell-size behaves like a grid bag using individual shape sizes including padding - Can be filled in {@link Order#COLUMN} or {@link Order#ROW} major-order. - Not implemented {@link Alignment}: Top, Right, Bottom, Left Changes to Group.Layout interface: - Added preValidate(Shape) allowing to prepare the shape before validation, used to inject Padding Changes to Margin: - Removed the complex CENTER property and using Alignment in BoxLayout as well Changes to BoxLayout: - Using Alignment +++ Tested via UILayoutBox01 and UILayoutGrid01, try the tooltip by clicking on the group's description label.