In this section:
Format windows, created using winio@, contain text and child windows called controls. Text and controls are presented in the order in which they appear in the format string. ClearWin+ automatically positions the text and controls in a window and adjusts the size of the window to suit its contents. This automatic positioning provides for a standard blank border within the window. This border surrounds all the text and controls. It can be removed by using %ww (Window Style) together with its no_border option.
Text and controls in a format string can be separated by one or more of the following format codes.
gives a new line
advances to the next tab position
advances to the left margin below any existing controls
centres text and controls on the current line
right justifies text and controls on the current line
It is important to note that, if these codes appear within a %ob (Open Box) box, then the effect relates to the box rather than the window as a whole. Moreover, %ob (Open Box) boxes can be nested. As a result it is possible to exercise a fine control over the positioning of items within a window. In extreme cases, there are other mechanisms for adjusting the position of a given item.