merge of ncurses-4.1-971129

1 files changed, 90 insertions, 0 deletions

diff --git a/lib/libpanel/p_hide.c b/lib/libpanel/p_hide.c
new file mode 100644
index 00000000000..9891e640212
--- /dev/null
+++ b/lib/libpanel/p_hide.c
@@ -0,0 +1,90 @@
+/*	$OpenBSD: p_hide.c,v 1.1 1997/12/03 05:17:53 millert Exp $	*/
+
+/***************************************************************************
+*                            COPYRIGHT NOTICE                              *
+****************************************************************************
+*                     panels is copyright (C) 1995                         *
+*                          Zeyd M. Ben-Halim                               *
+*                          zmbenhal@netcom.com                             *
+*                          Eric S. Raymond                                 *
+*                          esr@snark.thyrsus.com                           *
+*                                                                          *
+*	      All praise to the original author, Warren Tucker.            *
+*                                                                          *
+*        Permission is hereby granted to reproduce and distribute panels   *
+*        by any means and for any fee, whether alone or as part of a       *
+*        larger distribution, in source or in binary form, PROVIDED        *
+*        this notice is included with any such distribution, and is not    *
+*        removed from any of its header files. Mention of panels in any    *
+*        applications linked with it is highly appreciated.                *
+*                                                                          *
+*        panels comes AS IS with no warranty, implied or expressed.        *
+*                                                                          *
+***************************************************************************/
+
+/* p_hide.c
+ * Remove a panel from the stack
+ */
+#include "panel.priv.h"
+
+MODULE_ID("Id: p_hide.c,v 1.1 1997/10/12 13:16:22 juergen Exp $")
+
+/*+-------------------------------------------------------------------------
+	__panel_unlink(pan) - unlink panel from stack
+--------------------------------------------------------------------------*/
+static void
+__panel_unlink(PANEL *pan)
+{
+  PANEL *prev;
+  PANEL *next;
+
+#ifdef TRACE
+  dStack("<u%d>",1,pan);
+  if(!_nc_panel_is_linked(pan))
+    return;
+#endif
+
+  _nc_override(pan,P_TOUCH);
+  _nc_free_obscure(pan);
+
+  prev = pan->below;
+  next = pan->above;
+
+  if(prev)
+    { /* if non-zero, we will not update the list head */
+      prev->above = next;
+      if(next)
+	next->below = prev;
+    }
+  else if(next)
+    next->below = prev;
+  if(pan == _nc_bottom_panel)
+    _nc_bottom_panel = next;
+  if(pan == _nc_top_panel)
+    _nc_top_panel = prev;
+
+  _nc_calculate_obscure();
+
+  pan->above = (PANEL *)0;
+  pan->below = (PANEL *)0;
+  dStack("<u%d>",9,pan);
+}
+
+int
+hide_panel(register PANEL *pan)
+{
+  if(!pan)
+    return(ERR);
+
+  dBug(("--> hide_panel %s", USER_PTR(pan->user)));
+
+  if(!_nc_panel_is_linked(pan))
+    {
+      pan->above = (PANEL *)0;
+      pan->below = (PANEL *)0;
+      return(ERR);
+    }
+
+  __panel_unlink(pan);
+  return(OK);
+}