Table of Contentsform_win - make and break form window and subwindow associations #include <form.h>
int set_form_win(FORM *form, WINDOW *win);
WINDOW *form_win(FORM *form);
int set_form_sub(FORM *form, WINDOW *sub);
WINDOW *form_sub(FORM *form);
int scale_form(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 tbough 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_window 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 error codes: - E_OK
- The routine succeeded.
- E_SYSTEM_ERROR
- System error occurred (see errno).
- 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.
curses(3X), form(3X). The header file <form.h> automatically includes the header file <curses.h>. 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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