Importing lib/libform

No Minix-specific changes needed. Change-Id: Ia8ddbdb57ac04dfb42d79c374b9e25b189f9dc3b
2013-11-12 07:56:07 -05:00
parent b618a1ee0b
commit a0e6850f82
45 changed files with 10927 additions and 1 deletions
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+/*	$NetBSD: post.c,v 1.9 2003/03/09 00:57:19 lukem Exp $	*/
+
+/*-
+ * Copyright (c) 1998-2000 Brett Lymn
+ *                         (blymn@baea.com.au, brett_lymn@yahoo.com.au)
+ * All rights reserved.
+ *
+ * This code has been donated to The NetBSD Foundation by the Author.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. The name of the author may not be used to endorse or promote products
+ *    derived from this software without specific prior written permission
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ *
+ */
+
+#include <sys/cdefs.h>
+__RCSID("$NetBSD: post.c,v 1.9 2003/03/09 00:57:19 lukem Exp $");
+
+#include "form.h"
+#include "internals.h"
+
+/*
+ * Post the form to the screen.
+ */
+int
+post_form(FORM *form)
+{
+	int rows, cols, status;
+	
+	if (form == NULL)
+		return E_BAD_ARGUMENT;
+
+	if (form->posted == 1)
+		return E_POSTED;
+
+	if ((form->fields == NULL) || (form->fields[0] == NULL))
+		return E_NOT_CONNECTED;
+
+	if (form->in_init == 1)
+		return E_BAD_STATE;
+
+	if (scale_form(form, &rows, &cols) != E_OK)
+		return E_SYSTEM_ERROR;
+	
+	if ((form->scrwin != NULL) && ((rows > getmaxy(form->scrwin))
+				       || (cols > getmaxx(form->scrwin)))) {
+		return E_NO_ROOM;
+	}
+
+#ifdef DEBUG
+	if (_formi_create_dbg_file() != E_OK)
+		return E_SYSTEM_ERROR;
+#endif
+	
+	form->in_init = 1;
+	if (form->form_init != NULL)
+		form->form_init(form);
+
+	if (form->field_init != NULL)
+		form->field_init(form);
+	form->in_init = 0;
+
+	_formi_pos_first_field(form);
+	if ((status = _formi_draw_page(form)) != E_OK)
+		return status;
+
+	form->posted = 1;
+	pos_form_cursor(form);
+	
+	return E_OK;
+}
+
+/*
+ * Unpost the form from the screen
+ */
+int
+unpost_form(FORM *form)
+{
+
+	if (form == NULL)
+		return E_BAD_ARGUMENT;
+
+	if (form->posted != 1)
+		return E_NOT_POSTED;
+
+	if (form->in_init == 1)
+		return E_BAD_STATE;
+
+	form->in_init = 1;
+	if (form->field_term != NULL)
+		form->field_term(form);
+
+	if (form->form_term != NULL)
+		form->form_term(form);
+	form->in_init = 0;
+
+	wclear(form->scrwin);
+
+	form->posted = 0;
+
+	return E_OK;
+}
+