form_win - make and break form window and subwindow associations
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);
Every form has an associated pair of curses windows. The
form window displays any title and border associated with
the window; the form subwindow displays the items of the
form that are currently available for selection.
The first four functions get and set those windows. It is
not necessary 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 subwindow of form.
Routines that return pointers return NULL on error. Routines
that return an integer return one of the following
E_OK The routine succeeded.
E_SYSTEM_ERROR [Toc] [Back]
System error occurred (see errno).
E_BAD_ARGUMENT [Toc] [Back]
Routine detected an incorrect or out-of-range argument.
E_POSTED [Toc] [Back]
The form has already been posted.
E_NOT_CONNECTED [Toc] [Back]
No items are connected to the form.
The header file <form.h> automatically includes the header
These routines emulate the System V forms library. They
were not supported on Version 7 or BSD versions.
Juergen Pfeifer. Manual pages and adaptation for new
curses by Eric S. Raymond.
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