Import unmodified (but trimmed) ncurses 5.0 prerelease 990821.vendor/ncurses/5.0-19990821

This contains the full eti (panel, form, menu) extensions.
bmake glue to follow.

Obtained from:	ftp://ftp.clark.net/pub/dickey/ncurses

1 files changed, 117 insertions, 0 deletions

diff --git a/contrib/ncurses/form/frm_post.c b/contrib/ncurses/form/frm_post.c
new file mode 100644
index 000000000000..3fdb57a09b8f
--- /dev/null
+++ b/contrib/ncurses/form/frm_post.c
@@ -0,0 +1,117 @@
+/****************************************************************************
+ * Copyright (c) 1998 Free Software Foundation, Inc.                        *
+ *                                                                          *
+ * Permission is hereby granted, free of charge, to any person obtaining a  *
+ * copy of this software and associated documentation files (the            *
+ * "Software"), to deal in the Software without restriction, including      *
+ * without limitation the rights to use, copy, modify, merge, publish,      *
+ * distribute, distribute with modifications, sublicense, and/or sell       *
+ * copies of the Software, and to permit persons to whom the Software is    *
+ * furnished to do so, subject to the following conditions:                 *
+ *                                                                          *
+ * The above copyright notice and this permission notice shall be included  *
+ * in all copies or substantial portions of the Software.                   *
+ *                                                                          *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS  *
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF               *
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.   *
+ * IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,   *
+ * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR    *
+ * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR    *
+ * THE USE OR OTHER DEALINGS IN THE SOFTWARE.                               *
+ *                                                                          *
+ * Except as contained in this notice, the name(s) of the above copyright   *
+ * holders shall not be used in advertising or otherwise to promote the     *
+ * sale, use or other dealings in this Software without prior written       *
+ * authorization.                                                           *
+ ****************************************************************************/
+
+/****************************************************************************
+ *   Author: Juergen Pfeifer <juergen.pfeifer@gmx.net> 1995,1997            *
+ ****************************************************************************/
+#include "form.priv.h"
+
+MODULE_ID("$Id: frm_post.c,v 1.4 1999/05/16 17:21:39 juergen Exp $")
+
+/*---------------------------------------------------------------------------
+|   Facility      :  libnform  
+|   Function      :  int post_form(FORM * form)
+|   
+|   Description   :  Writes the form into its associated subwindow.
+|
+|   Return Values :  E_OK              - success
+|                    E_BAD_ARGUMENT    - invalid form pointer
+|                    E_POSTED          - form already posted
+|                    E_NOT_CONNECTED   - no fields connected to form
+|                    E_NO_ROOM         - form doesn't fit into subwindow
+|                    E_SYSTEM_ERROR    - system error
++--------------------------------------------------------------------------*/
+int post_form(FORM * form)
+{
+  WINDOW *formwin;
+  int err;
+  int page;
+
+  if (!form)
+    RETURN(E_BAD_ARGUMENT);
+
+  if (form->status & _POSTED)   
+    RETURN(E_POSTED);
+
+  if (!(form->field))
+    RETURN(E_NOT_CONNECTED);
+  
+  formwin = Get_Form_Window(form);
+  if ((form->cols > getmaxx(formwin)) || (form->rows > getmaxy(formwin))) 
+    RETURN(E_NO_ROOM);
+
+  /* reset form->curpage to an invald value. This forces Set_Form_Page
+     to do the page initialization which is required by post_form.
+  */
+  page = form->curpage;
+  form->curpage = -1;
+  if ((err = _nc_Set_Form_Page(form,page,form->current))!=E_OK)
+    RETURN(err);
+
+  form->status |= _POSTED;
+
+  Call_Hook(form,forminit);
+  Call_Hook(form,fieldinit);
+
+  _nc_Refresh_Current_Field(form);
+  RETURN(E_OK);
+}
+
+/*---------------------------------------------------------------------------
+|   Facility      :  libnform  
+|   Function      :  int unpost_form(FORM * form)
+|   
+|   Description   :  Erase form from its associated subwindow.
+|
+|   Return Values :  E_OK            - success
+|                    E_BAD_ARGUMENT  - invalid form pointer
+|                    E_NOT_POSTED    - form isn't posted
+|                    E_BAD_STATE     - called from a hook routine
++--------------------------------------------------------------------------*/
+int unpost_form(FORM * form)
+{
+  if (!form)
+    RETURN(E_BAD_ARGUMENT);
+
+  if (!(form->status & _POSTED)) 
+    RETURN(E_NOT_POSTED);
+
+  if (form->status & _IN_DRIVER) 
+    RETURN(E_BAD_STATE);
+
+  Call_Hook(form,fieldterm);
+  Call_Hook(form,formterm);
+
+  werase(Get_Form_Window(form));
+  delwin(form->w);
+  form->w = (WINDOW *)0;
+  form->status &= ~_POSTED;
+  RETURN(E_OK);
+}
+
+/* frm_post.c ends here */