--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/frame-tty.c	Mon Aug 13 11:28:15 2007 +0200
@@ -0,0 +1,219 @@
+/* TTY frame functions.
+   Copyright (C) 1995  Free Software Foundation, Inc.
+   Copyright (C) 1995, 1996 Ben Wing.
+   Copyright (C) 1997  Free Software Foundation, Inc.
+
+This file is part of XEmacs.
+
+XEmacs is free software; you can redistribute it and/or modify it
+under the terms of the GNU General Public License as published by the
+Free Software Foundation; either version 2, or (at your option) any
+later version.
+
+XEmacs is distributed in the hope that it will be useful, but WITHOUT
+ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+for more details.
+
+You should have received a copy of the GNU General Public License
+along with XEmacs; see the file COPYING.  If not, write to
+the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+Boston, MA 02111-1307, USA.  */
+
+/* Synched up with: Not in FSF. */
+
+/* Written by Ben Wing.
+   Multi-frame support added by Hrvoje Niksic. */
+
+#include <config.h>
+#include "lisp.h"
+
+#include "console-tty.h"
+#include "frame.h"
+
+#include "events.h"
+
+
+/* Default properties to use when creating frames.  */
+Lisp_Object Vdefault_tty_frame_plist;
+
+static void tty_raise_frame (struct frame *);
+
+
+static void
+tty_init_frame_1 (struct frame *f, Lisp_Object props)
+{
+  struct device *d = XDEVICE (FRAME_DEVICE (f));
+  struct console *c = XCONSOLE (DEVICE_CONSOLE (d));
+
+  ++CONSOLE_TTY_DATA (c)->frame_count;
+  f->order_count = CONSOLE_TTY_DATA (c)->frame_count;
+  f->height = CONSOLE_TTY_DATA (c)->height;
+  f->width = CONSOLE_TTY_DATA (c)->width;
+}
+
+static void
+tty_init_frame_3 (struct frame *f)
+{
+  tty_raise_frame (f);
+}
+
+static void
+tty_select_frame_if_unhidden (Lisp_Object frame)
+{
+  if (FRAME_REPAINT_P (XFRAME (frame)))
+    select_frame_1 (frame);
+}
+
+static void
+tty_schedule_frame_select (struct frame *f)
+{
+  Lisp_Object frame;
+
+  XSETFRAME (frame, f);
+  enqueue_magic_eval_event (tty_select_frame_if_unhidden, frame);
+}
+
+static void
+tty_after_init_frame (struct frame *f, int first_on_device,
+		      int first_on_console)
+{
+  if (first_on_console)
+    call1 (Qinit_post_tty_win, FRAME_CONSOLE (f));
+}
+
+/* Change from withdrawn state to mapped state. */
+static void
+tty_make_frame_visible (struct frame *f)
+{
+  if (!FRAME_VISIBLE_P(f))
+    {
+      f->visible = -1;
+    }
+}
+
+/* Change from mapped state to withdrawn state. */
+static void
+tty_make_frame_invisible (struct frame *f)
+{
+  f->visible = 0;
+}
+
+static void
+tty_make_frame_hidden (struct frame *f)
+{
+  f->visible = -1;
+}
+
+static void
+tty_make_frame_unhidden (struct frame *f)
+{
+  if (!FRAME_REPAINT_P(f))
+    {
+      SET_FRAME_CLEAR(f);
+      f->visible = 1;
+    }
+}
+
+static int
+tty_frame_visible_p (struct frame *f)
+{
+  return FRAME_VISIBLE_P (f);
+}
+
+static void
+tty_raise_frame_no_select (struct frame *f)
+{
+  Lisp_Object frame;
+  LIST_LOOP_2 (frame, DEVICE_FRAME_LIST (XDEVICE (FRAME_DEVICE (f))))
+    {
+      struct frame *o = XFRAME (frame);
+      if (o != f && FRAME_REPAINT_P (o))
+	{
+	   tty_make_frame_hidden (o);
+	   break;
+	}
+    }
+  tty_make_frame_unhidden (f);
+}
+
+static void
+tty_raise_frame (struct frame *f)
+{
+  tty_raise_frame_no_select (f);
+  tty_schedule_frame_select (f);
+}
+
+static void
+tty_lower_frame (struct frame *f)
+{
+  Lisp_Object frame_list = DEVICE_FRAME_LIST (XDEVICE (FRAME_DEVICE (f)));
+  Lisp_Object tail, new;
+
+  if (!FRAME_REPAINT_P (f))
+    return;
+
+  LIST_LOOP (tail, frame_list)
+    {
+      if (f == XFRAME (XCAR (tail)))
+	break;
+    }
+
+  /* To lower this frame, another frame has to be raised.  Return if
+     there is no other frame. */
+  if (NILP (tail) && EQ(frame_list, tail))
+    return;
+
+  tty_make_frame_hidden (f);
+  if (CONSP (XCDR (tail)))
+    new = XCAR (XCDR (tail));
+  else
+    new = XCAR (frame_list);
+  tty_make_frame_unhidden (XFRAME (new));
+  tty_schedule_frame_select (XFRAME (new));
+}
+
+static void
+tty_delete_frame (struct frame *f)
+{
+  struct device *d = XDEVICE (FRAME_DEVICE (f));
+
+  if (!NILP (DEVICE_SELECTED_FRAME (d)))
+    tty_raise_frame (XFRAME (DEVICE_SELECTED_FRAME (d)));
+}
+
+/************************************************************************/
+/*			      initialization				*/
+/************************************************************************/
+
+void
+console_type_create_frame_tty (void)
+{
+  CONSOLE_HAS_METHOD (tty, init_frame_1);
+  CONSOLE_HAS_METHOD (tty, init_frame_3);
+  CONSOLE_HAS_METHOD (tty, after_init_frame);
+  CONSOLE_HAS_METHOD (tty, make_frame_visible);
+  CONSOLE_HAS_METHOD (tty, make_frame_invisible);
+  CONSOLE_HAS_METHOD (tty, frame_visible_p);
+  CONSOLE_HAS_METHOD (tty, raise_frame);
+  CONSOLE_HAS_METHOD (tty, lower_frame);
+  CONSOLE_HAS_METHOD (tty, delete_frame);
+}
+
+void
+vars_of_frame_tty (void)
+{
+  DEFVAR_LISP ("default-tty-frame-plist", &Vdefault_tty_frame_plist /*
+Plist of default frame-creation properties for tty frames.
+These are in addition to and override what is specified in
+`default-frame-plist', but are overridden by the arguments to the
+particular call to `make-frame'.
+*/ );
+  Vdefault_tty_frame_plist = Qnil;
+
+  tty_console_methods->device_specific_frame_props =
+    &Vdefault_tty_frame_plist;
+
+  /* Tty frames are now supported.  Advertise a feature to indicate this. */
+  Fprovide (intern ("tty-frames"));
+}