Initial revision

2002-12-27 08:53:07 +00:00 · 2002-12-27 08:53:07 +00:00 · 6a161fa938
commit 6a161fa938
80 changed files with 23264 additions and 0 deletions
--- a/kern/term.c
+++ b/kern/term.c
@ -0,0 +1,153 @@
+/*
+ *  PUPA  --  Preliminary Universal Programming Architecture for GRUB
+ *  Copyright (C) 2002 Free Software Foundation, Inc.
+ *  Copyright (C) 2002 Yoshinori K. Okuji <okuji@enbug.org>
+ *
+ *  PUPA 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 of the License, or
+ *  (at your option) any later version.
+ *
+ *  This program 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 PUPA; if not, write to the Free Software
+ *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#include <pupa/term.h>
+#include <pupa/err.h>
+#include <pupa/mm.h>
+
+/* The list of terminals.  */
+static pupa_term_t pupa_term_list;
+
+/* The current terminal.  */
+static pupa_term_t pupa_cur_term;
+
+void
+pupa_term_register (pupa_term_t term)
+{
+  term->next = pupa_term_list;
+  pupa_term_list = term;
+}
+
+void
+pupa_term_unregister (pupa_term_t term)
+{
+  pupa_term_t *p, q;
+  
+  for (p = &pupa_term_list, q = *p; q; p = &(q->next), q = q->next)
+    if (q == term)
+      {
+        *p = q->next;
+	break;
+      }
+}
+
+void
+pupa_term_iterate (int (*hook) (pupa_term_t term))
+{
+  pupa_term_t p;
+  
+  for (p = pupa_term_list; p; p = p->next)
+    if (hook (p))
+      break;
+}
+
+void
+pupa_term_set_current (pupa_term_t term)
+{
+  pupa_cur_term = term;
+}
+
+pupa_term_t
+pupa_term_get_current (void)
+{
+  return pupa_cur_term;
+}
+
+void
+pupa_putchar (int c)
+{
+  if (c == '\n')
+    pupa_putchar ('\r');
+  else if (c == '\t' && pupa_cur_term->getxy)
+    {
+      int n;
+
+      n = 8 - ((pupa_getxy () >> 8) & 7);
+      while (n--)
+	pupa_putchar (' ');
+
+      return;
+    }
+  
+  (pupa_cur_term->putchar) (c);
+}
+
+int
+pupa_getkey (void)
+{
+  return (pupa_cur_term->getkey) ();
+}
+
+int
+pupa_checkkey (void)
+{
+  return (pupa_cur_term->checkkey) ();
+}
+
+pupa_uint16_t
+pupa_getxy (void)
+{
+  return (pupa_cur_term->getxy) ();
+}
+
+void
+pupa_gotoxy (pupa_uint8_t x, pupa_uint8_t y)
+{
+  (pupa_cur_term->gotoxy) (x, y);
+}
+
+void
+pupa_cls (void)
+{
+  if (pupa_cur_term->flags & PUPA_TERM_DUMB)
+    pupa_putchar ('\n');
+  else
+    (pupa_cur_term->cls) ();
+}
+
+void
+pupa_setcolorstate (pupa_term_color_state state)
+{
+  if (pupa_cur_term->setcolorstate)
+    (pupa_cur_term->setcolorstate) (state);
+}
+
+void
+pupa_setcolor (pupa_uint8_t normal_color, pupa_uint8_t highlight_color)
+{
+  if (pupa_cur_term->setcolor)
+    (pupa_cur_term->setcolor) (normal_color, highlight_color);
+}
+
+int
+pupa_setcursor (int on)
+{
+  static int prev = 1;
+  int ret = prev;
+
+  if (pupa_cur_term->setcursor)
+    {
+      (pupa_cur_term->setcursor) (on);
+      prev = on;
+    }
+  
+  return ret;
+}
+