1 files changed, 108 insertions, 0 deletions
diff --git a/contrib/nvi/ip/ip_term.c b/contrib/nvi/ip/ip_term.c
new file mode 100644
index 0000000..28e686d
--- /dev/null
+++ b/contrib/nvi/ip/ip_term.c
@@ -0,0 +1,108 @@
+/*-
+ * Copyright (c) 1996
+ *	Keith Bostic.  All rights reserved.
+ *
+ * See the LICENSE file for redistribution information.
+ */
+
+#include "config.h"
+
+#ifndef lint
+static const char sccsid[] = "@(#)ip_term.c	8.2 (Berkeley) 10/13/96";
+#endif /* not lint */
+
+#include <sys/types.h>
+#include <sys/queue.h>
+
+#include <bitstring.h>
+#include <stdio.h>
+ 
+#include "../common/common.h"
+#include "ip.h"
+
+/*
+ * ip_term_init --
+ *	Initialize the terminal special keys.
+ *
+ * PUBLIC: int ip_term_init __P((SCR *));
+ */
+int
+ip_term_init(sp)
+	SCR *sp;
+{
+	SEQ *qp;
+
+	/*
+	 * Rework any function key mappings that were set before the
+	 * screen was initialized.
+	 */
+	for (qp = sp->gp->seqq.lh_first; qp != NULL; qp = qp->q.le_next)
+		if (F_ISSET(qp, SEQ_FUNCMAP))
+			(void)ip_fmap(sp, qp->stype,
+			    qp->input, qp->ilen, qp->output, qp->olen);
+	return (0);
+}
+
+/*
+ * ip_term_end --
+ *	End the special keys defined by the termcap/terminfo entry.
+ *
+ * PUBLIC: int ip_term_end __P((GS *));
+ */
+int
+ip_term_end(gp)
+	GS *gp;
+{
+	SEQ *qp, *nqp;
+
+	/* Delete screen specific mappings. */
+	for (qp = gp->seqq.lh_first; qp != NULL; qp = nqp) {
+		nqp = qp->q.le_next;
+		if (F_ISSET(qp, SEQ_SCREEN))
+			(void)seq_mdel(qp);
+	}
+	return (0);
+}
+
+/*
+ * ip_fmap --
+ *	Map a function key.
+ *
+ * PUBLIC: int ip_fmap __P((SCR *, seq_t, CHAR_T *, size_t, CHAR_T *, size_t));
+ */
+int
+ip_fmap(sp, stype, from, flen, to, tlen)
+	SCR *sp;
+	seq_t stype;
+	CHAR_T *from, *to;
+	size_t flen, tlen;
+{
+	/* Bind a function key to a string sequence. */
+	return (1);
+}
+
+/*
+ * ip_optchange --
+ *	IP screen specific "option changed" routine.
+ *
+ * PUBLIC: int ip_optchange __P((SCR *, int, char *, u_long *));
+ */
+int
+ip_optchange(sp, opt, str, valp)
+	SCR *sp;
+	int opt;
+	char *str;
+	u_long *valp;
+{
+	switch (opt) {
+	case O_COLUMNS:
+	case O_LINES:
+		F_SET(sp->gp, G_SRESTART);
+		F_CLR(sp, SC_SCR_EX | SC_SCR_VI);
+		break;
+	case O_TERM:
+		msgq(sp, M_ERR, "The screen type may not be changed");
+		return (1);
+	}
+	return (0);
+}