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form_win(3X) Library calls form_win(3X) NAME form_win - make and break form window and subwindow associations SYNOPSIS #include <form.h> int set_form_win(FORM *form, WINDOW *win); WINDOW *form_win(const FORM *form); int set_form_sub(FORM *form, WINDOW *sub); WINDOW *form_sub(const FORM *form); int scale_form(const FORM *form, int *rows, int *columns); DESCRIPTION Every form has an associated pair of curses windows. The form window displays any title and border associated with the window; the form sub- window displays the items of the form that are currently available for selection. The first four functions get and set those windows. It is not neces- sary to set either window; by default, the driver code uses stdscr for both. In the set_ functions, window argument of NULL is treated as though it were stsdcr. A form argument of NULL is treated as a request to change the system default form window or subwindow. The function scale_form returns the minimum size required for the sub- window of form. RETURN VALUE Routines that return pointers return NULL on error. Routines that re- turn an integer return one of the following error codes: E_OK The routine succeeded. E_SYSTEM_ERROR System error occurred (see errno(3)). E_BAD_ARGUMENT Routine detected an incorrect or out-of-range argument. E_POSTED The form has already been posted. E_NOT_CONNECTED No items are connected to the form. PORTABILITY These routines emulate the System V forms library. They were not sup- ported on Version 7 or BSD versions. AUTHORS Juergen Pfeifer. Manual pages and adaptation for new curses by Eric S. Raymond. SEE ALSO curses(3X), curs_variables(3X), form(3X) ncurses 6.5 2024-03-16 form_win(3X)