automake commit without merge history

grub-core/term/i386/vga_common.c

@@ -0,0 +1,125 @@
+/*
+ *  GRUB  --  GRand Unified Bootloader
+ *  Copyright (C) 2002,2003,2005,2007,2008  Free Software Foundation, Inc.
+ *
+ *  GRUB 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 3 of the License, or
+ *  (at your option) any later version.
+ *
+ *  GRUB 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 GRUB.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <grub/i386/vga_common.h>
+#include <grub/term.h>
+#include <grub/types.h>
+
+grub_uint8_t grub_console_cur_color = 0x7;
+static grub_uint8_t grub_console_standard_color = 0x7;
+static grub_uint8_t grub_console_normal_color = 0x7;
+static grub_uint8_t grub_console_highlight_color = 0x70;
+
+static grub_uint32_t
+map_char (grub_uint32_t c)
+{
+  if (c > 0x7f)
+    {
+      /* Map some unicode characters to the VGA font, if possible.  */
+      switch (c)
+	{
+	case 0x2190:	/* left arrow */
+	  c = 0x1b;
+	  break;
+	case 0x2191:	/* up arrow */
+	  c = 0x18;
+	  break;
+	case 0x2192:	/* right arrow */
+	  c = 0x1a;
+	  break;
+	case 0x2193:	/* down arrow */
+	  c = 0x19;
+	  break;
+	case 0x2501:	/* horizontal line */
+	  c = 0xc4;
+	  break;
+	case 0x2503:	/* vertical line */
+	  c = 0xb3;
+	  break;
+	case 0x250F:	/* upper-left corner */
+	  c = 0xda;
+	  break;
+	case 0x2513:	/* upper-right corner */
+	  c = 0xbf;
+	  break;
+	case 0x2517:	/* lower-left corner */
+	  c = 0xc0;
+	  break;
+	case 0x251B:	/* lower-right corner */
+	  c = 0xd9;
+	  break;
+
+	default:
+	  c = '?';
+	  break;
+	}
+    }
+
+  return c;
+}
+
+void
+grub_console_putchar (grub_uint32_t c)
+{
+  grub_console_real_putchar (map_char (c));
+}
+
+grub_ssize_t
+grub_console_getcharwidth (grub_uint32_t c __attribute__ ((unused)))
+{
+  /* For now, every printable character has the width 1.  */
+  return 1;
+}
+
+grub_uint16_t
+grub_console_getwh (void)
+{
+  return (80 << 8) | 25;
+}
+
+void
+grub_console_setcolorstate (grub_term_color_state state)
+{
+  switch (state) {
+    case GRUB_TERM_COLOR_STANDARD:
+      grub_console_cur_color = grub_console_standard_color;
+      break;
+    case GRUB_TERM_COLOR_NORMAL:
+      grub_console_cur_color = grub_console_normal_color;
+      break;
+    case GRUB_TERM_COLOR_HIGHLIGHT:
+      grub_console_cur_color = grub_console_highlight_color;
+      break;
+    default:
+      break;
+  }
+}
+
+void
+grub_console_setcolor (grub_uint8_t normal_color, grub_uint8_t highlight_color)
+{
+  grub_console_normal_color = normal_color;
+  grub_console_highlight_color = highlight_color;
+}
+
+void
+grub_console_getcolor (grub_uint8_t *normal_color, grub_uint8_t *highlight_color)
+{
+  *normal_color = grub_console_normal_color;
+  *highlight_color = grub_console_highlight_color;
+}