libcons/

2002-08-22  Marcus Brinkmann  <marcus@gnu.org>

	* demuxer.c, init-init.c, init-loop.c, opts-version.c,
	extra-version.c, dir-changed.c, file-changed.c,
	opts-std-startup.c, cons-lookup.c, cons-switch.c, vcons-remove.c,
	vcons-add.c, vcons-open.c, vcons-close.c, vcons-refresh.c, priv.h,
	mutations.h, cons.h: New files.

1 files changed, 60 insertions, 0 deletions

diff --git a/libcons/vcons-refresh.c b/libcons/vcons-refresh.c
new file mode 100644
index 00000000..34f0de88
--- /dev/null
+++ b/libcons/vcons-refresh.c
@@ -0,0 +1,60 @@
+/* vcons-refresh.c - Redraw a virtual console.
+   Copyright (C) 2002 Free Software Foundation, Inc.
+   Written by Marcus Brinkmann.
+
+   This file is part of the GNU Hurd.
+
+   The GNU Hurd 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.
+
+   The GNU Hurd 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 this program; if not, write to the Free Software
+   Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111, USA. */
+
+#include <errno.h>
+#include <assert.h>
+
+#include "cons.h"
+
+/* Redraw the virtual console VCONS, which is locked.  */
+void
+cons_vcons_refresh (vcons_t vcons)
+{
+  vcons->state.screen.cur_line = vcons->display->screen.cur_line;
+  vcons->state.screen.scr_lines = vcons->display->screen.scr_lines;
+  vcons->state.cursor.col = vcons->display->cursor.col;
+  vcons->state.cursor.row = vcons->display->cursor.row;
+  vcons->state.cursor.status = vcons->display->cursor.status;
+  vcons->state.bell.audible = vcons->display->bell.audible;
+  vcons->state.bell.visible = vcons->display->bell.visible;
+  vcons->state.changes.written = vcons->display->changes.written;
+
+  cons_vcons_write (vcons, vcons->state.screen.matrix
+		    + vcons->state.screen.cur_line * vcons->state.screen.width,
+		    ((vcons->state.screen.lines - vcons->state.screen.cur_line
+		      < vcons->state.screen.height)
+		     ? vcons->state.screen.lines - vcons->state.screen.cur_line
+		     : vcons->state.screen.height)
+		    * vcons->state.screen.width, 0, 0);
+  if (vcons->state.screen.lines - vcons->state.screen.cur_line
+      < vcons->state.screen.height)
+    cons_vcons_write (vcons, vcons->state.screen.matrix,
+		      vcons->state.screen.height * vcons->state.screen.width
+		      - (vcons->state.screen.lines
+			 - vcons->state.screen.cur_line)
+		      * vcons->state.screen.width, 0,
+		      vcons->state.screen.lines
+		      - vcons->state.screen.cur_line);
+
+  cons_vcons_set_cursor_pos (vcons, vcons->state.cursor.col,
+			     vcons->state.cursor.row);
+  cons_vcons_set_cursor_status (vcons, vcons->state.cursor.status);
+  cons_vcons_update (vcons);
+}