- form_driver - command-processing loop of the form system
+ form_driver - command-processing loop of the form system
SYNOPSIS
- #include<form.h>
+ #include<form.h>
int form_driver(FORM *form, int c);
DESCRIPTION
Once a form has been posted (displayed), you should funnel
- input events to it through form_driver. This routine has
+ input events to it through form_driver. This routine has
two major input cases; either the input is a form naviga-
tion request or it's a printable ASCII character. The
form driver requests are as follows:
@@ -207,50 +245,50 @@
If the second argument is neither printable ASCII nor one
of the above pre-defined form requests, the driver assumes
it is an application-specific command and returns
- E_UNKNOWN_COMMAND. Application-defined commands should be
- defined relative to MAX_COMMAND, the maximum value of
+ E_UNKNOWN_COMMAND. Application-defined commands should be
+ defined relative to MAX_COMMAND, the maximum value of
these pre-defined requests.
RETURN VALUE
- form_driver return one of the following error codes:
+ form_driver return one of the following error codes:
- E_OK The routine succeeded.
+ E_OK The routine succeeded.
- E_SYSTEM_ERROR
- System error occurred (see errno).
+ E_SYSTEM_ERROR
+ System error occurred (see errno).
- E_BAD_ARGUMENT
+ E_BAD_ARGUMENT
Routine detected an incorrect or out-of-range argu-
ment.
- E_BAD_STATE
+ E_BAD_STATE
Routine was called from an initialization or
termination function.
- E_NOT_POSTED
+ E_NOT_POSTED
The form has not been posted.
- E_UNKNOWN_COMMAND
+ E_UNKNOWN_COMMAND
The form driver code saw an unknown request code.
- E_INVALID_FIELD
+ E_INVALID_FIELD
Contents of field is invalid.
- E_REQUEST_DENIED
+ E_REQUEST_DENIED
The form driver could not process the request.
- The header file <form.h> automatically includes the header
- files <curses.h>.
+ The header file <form.h> automatically includes the header
+ files <curses.h>.