AltGr support

commands/keylayouts.c

@@ -73,6 +73,18 @@ get_abstract_code (grub_term_input_t term, int in)
 	if (((in & 0xff) == 0) && keyboard_map[(in & 0xff00) >> 8] >= 'a'
 	    && keyboard_map[(in & 0xff00) >> 8] <= 'z')
 	  return keyboard_map[(in & 0xff00) >> 8] | flags | GRUB_TERM_ALT_GR;
+	if ((in & 0xff) == 0 && (in & 0xff00) >= 0x7800
+	    && (in & 0xff00) <= 0x8000)
+	  return (((in & 0xff00) >> 8) - 0x78 + '1') | flags | GRUB_TERM_ALT_GR;
+
+	if ((in & 0xff00) == 0x8100)
+	  return '0' | flags | GRUB_TERM_ALT_GR;
+
+	if ((in & 0xffff) == 0x8200)
+	  return '-' | flags | GRUB_TERM_ALT_GR;
+
+	if ((in & 0xffff) == 0x8300)
+	  return '+' | flags | GRUB_TERM_ALT_GR;
 
 	if ((in & 0xff) == 0)
 	  return keyboard_map[(in & 0xff00) >> 8] | flags;
@@ -83,34 +95,25 @@ get_abstract_code (grub_term_input_t term, int in)
 }
 
 static grub_uint32_t mapping[GRUB_KEYBOARD_LAYOUTS_ARRAY_SIZE];
-
+static grub_uint32_t mapping_alt[GRUB_KEYBOARD_LAYOUTS_ARRAY_SIZE];
-static unsigned
-clear_internal_flags (unsigned in)
-{
-  if (in & GRUB_TERM_ALT_GR)
-    in = (in & ~GRUB_TERM_ALT_GR) | GRUB_TERM_ALT;
-  return in & ~GRUB_TERM_CAPS & ~GRUB_TERM_KEYPAD;
-}
 
 static unsigned
 map (grub_term_input_t term __attribute__ ((unused)), unsigned in)
 {
   if (in & GRUB_TERM_KEYPAD)
-    return clear_internal_flags (in);
+    return in;
-
-  /* AltGr isn't supported yet.  */
-  if (in & GRUB_TERM_ALT_GR)
-    in = (in & ~GRUB_TERM_ALT_GR) | GRUB_TERM_ALT;
 
   if ((in & GRUB_TERM_EXTENDED) || (in & GRUB_TERM_KEY_MASK) == '\b'
       || (in & GRUB_TERM_KEY_MASK) == '\n' || (in & GRUB_TERM_KEY_MASK) == ' '
       || (in & GRUB_TERM_KEY_MASK) == '\t' || (in & GRUB_TERM_KEY_MASK) == '\e'
       || (in & GRUB_TERM_KEY_MASK) == '\r' 
       || (in & GRUB_TERM_KEY_MASK) >= ARRAY_SIZE (mapping))
-    return clear_internal_flags (in);
+    return in;
 
-  return mapping[in & GRUB_TERM_KEY_MASK]
+  if ((in & GRUB_TERM_ALT_GR) && mapping_alt[in & GRUB_TERM_KEY_MASK])
-    | clear_internal_flags (in & ~GRUB_TERM_KEY_MASK);
+    return mapping_alt[in & GRUB_TERM_KEY_MASK] | (in & ~GRUB_TERM_KEY_MASK & ~GRUB_TERM_ALT_GR);
+
+  return mapping[in & GRUB_TERM_KEY_MASK] | (in & ~GRUB_TERM_KEY_MASK);
 }
 
 static int
@@ -118,6 +121,9 @@ translate (grub_term_input_t term, int in)
 {
   int code, flags;
   code = get_abstract_code (term, in);
+
+  flags = code & ~(GRUB_TERM_KEY_MASK | GRUB_TERM_ALT_GR | GRUB_TERM_KEYPAD | GRUB_TERM_CAPS);
+
   if ((code & GRUB_TERM_CAPS) && (code & GRUB_TERM_KEY_MASK) >= 'a'
       && (code & GRUB_TERM_KEY_MASK) <= 'z')
     code = (code & GRUB_TERM_KEY_MASK) + 'A' - 'a';
@@ -125,7 +131,6 @@ translate (grub_term_input_t term, int in)
 	   && (code & GRUB_TERM_KEY_MASK) <= 'Z')
     code = (code & GRUB_TERM_KEY_MASK) + 'a' - 'A';    
 
-  flags = code & ~(GRUB_TERM_KEY_MASK | GRUB_TERM_ALT_GR | GRUB_TERM_KEYPAD);
   code &= (GRUB_TERM_KEY_MASK | GRUB_TERM_ALT_GR | GRUB_TERM_KEYPAD);
   code = map (term, code);
   /* Transform unconsumed AltGr into Alt.  */
@@ -134,6 +139,8 @@ translate (grub_term_input_t term, int in)
       flags |= GRUB_TERM_ALT;
       code &= ~GRUB_TERM_ALT_GR;
     }
+  code &= ~GRUB_TERM_KEYPAD;
+
   if ((flags & GRUB_TERM_CAPS) && code >= 'a' && code <= 'z')
     code += 'A' - 'a';
   else if ((flags & GRUB_TERM_CAPS) && code >= 'A'
@@ -186,6 +193,7 @@ grub_cmd_keymap (struct grub_command *cmd __attribute__ ((unused)),
   grub_uint32_t version;
   grub_uint8_t magic[GRUB_KEYBOARD_LAYOUTS_FILEMAGIC_SIZE];
   grub_uint32_t newmapping[GRUB_KEYBOARD_LAYOUTS_ARRAY_SIZE];
+  grub_uint32_t newmapping_alt[GRUB_KEYBOARD_LAYOUTS_ARRAY_SIZE];
   unsigned i;
 
   if (argc < 1)
@@ -241,9 +249,20 @@ grub_cmd_keymap (struct grub_command *cmd __attribute__ ((unused)),
       goto fail;
     }
 
+  if (grub_file_read (file, newmapping_alt, sizeof (newmapping_alt))
+      != sizeof (newmapping_alt))
+    {
+      if (!grub_errno)
+	grub_error (GRUB_ERR_BAD_ARGUMENT, "file is too short");
+      goto fail;
+    }
+
   for (i = 0; i < ARRAY_SIZE (mapping); i++)
     mapping[i] = grub_le_to_cpu32(newmapping[i]);
 
+  for (i = 0; i < ARRAY_SIZE (mapping_alt); i++)
+    mapping_alt[i] = grub_le_to_cpu32(newmapping_alt[i]);
+
   return GRUB_ERR_NONE;
 
  fail:
@@ -263,6 +282,7 @@ GRUB_MOD_INIT(keylayouts)
   unsigned i;
   for (i = 0; i < ARRAY_SIZE (mapping); i++)
     mapping[i] = i;
+  grub_memset (mapping_alt, 0, sizeof (mapping_alt));
   mapping[GRUB_TERM_KEY_102] = '\\';
   mapping[GRUB_TERM_KEY_SHIFT_102] = '|';
 

include/grub/keyboard_layouts.h

@@ -21,7 +21,7 @@
 
 #define GRUB_KEYBOARD_LAYOUTS_FILEMAGIC "GRUBLAYO"
 #define GRUB_KEYBOARD_LAYOUTS_FILEMAGIC_SIZE (sizeof(GRUB_KEYBOARD_LAYOUTS_FILEMAGIC) - 1)
-#define GRUB_KEYBOARD_LAYOUTS_VERSION 2
+#define GRUB_KEYBOARD_LAYOUTS_VERSION 3
 
 #define GRUB_KEYBOARD_LAYOUTS_ARRAY_SIZE 256
 

term/at_keyboard.c

@@ -34,6 +34,7 @@ static int pending_key = -1;
 #define KEYBOARD_STATUS_CTRL_R		(1 << 5)
 #define KEYBOARD_STATUS_CAPS_LOCK	(1 << 6)
 #define KEYBOARD_STATUS_NUM_LOCK	(1 << 7)
+#define KEYBOARD_STATUS_EXTENDED	(1 << 8)
 
 static grub_uint8_t led_status;
 
@@ -80,12 +81,10 @@ keyboard_controller_led (grub_uint8_t leds)
 /* FIXME: This should become an interrupt service routine.  For now
    it's just used to catch events from control keys.  */
 static void
-grub_keyboard_isr (char key)
+grub_keyboard_isr (grub_uint8_t key)
 {
-  char is_make = KEYBOARD_ISMAKE (key);
+  if (KEYBOARD_ISMAKE (key))
-  key = KEYBOARD_SCANCODE (key);
+    switch (KEYBOARD_SCANCODE (key))
-  if (is_make)
-    switch (key)
       {
 	case SHIFT_L:
 	  at_keyboard_status |= KEYBOARD_STATUS_SHIFT_L;
@@ -97,14 +96,14 @@ grub_keyboard_isr (char key)
 	  at_keyboard_status |= KEYBOARD_STATUS_CTRL_L;
 	  break;
 	case ALT:
+	  if (at_keyboard_status & KEYBOARD_STATUS_EXTENDED)
+	    at_keyboard_status |= KEYBOARD_STATUS_ALT_R;
+	  else
 	    at_keyboard_status |= KEYBOARD_STATUS_ALT_L;
 	  break;
-	default:
-	  /* Skip grub_dprintf.  */
-	  return;
       }
   else
-    switch (key)
+    switch (KEYBOARD_SCANCODE (key))
       {
 	case SHIFT_L:
 	  at_keyboard_status &= ~KEYBOARD_STATUS_SHIFT_L;
@@ -116,15 +115,17 @@ grub_keyboard_isr (char key)
 	  at_keyboard_status &= ~KEYBOARD_STATUS_CTRL_L;
 	  break;
 	case ALT:
+	  if (at_keyboard_status & KEYBOARD_STATUS_EXTENDED)
+	    at_keyboard_status &= ~KEYBOARD_STATUS_ALT_R;
+	  else
 	    at_keyboard_status &= ~KEYBOARD_STATUS_ALT_L;
 	  break;
-	default:
-	  /* Skip grub_dprintf.  */
-	  return;
       }
-#ifdef DEBUG_AT_KEYBOARD
+  if (key == 0xe0)
-  grub_dprintf ("atkeyb", "Control key 0x%0x was %s\n", key, is_make ? "pressed" : "unpressed");
+    at_keyboard_status |= KEYBOARD_STATUS_EXTENDED;
-#endif
+  else
+    at_keyboard_status &= ~KEYBOARD_STATUS_EXTENDED;
+
 }
 
 /* If there is a raw key pending, return it; otherwise return -1.  */
@@ -210,9 +211,15 @@ grub_at_keyboard_getkey_noblock (void)
 	  }
 
 	if (at_keyboard_status & KEYBOARD_STATUS_ALT_L)
+	  {
 	    key |= GRUB_TERM_ALT;
+	    grub_printf ("AltL");
+	  }
 	if (at_keyboard_status & KEYBOARD_STATUS_ALT_R)
+	  {
 	    key |= GRUB_TERM_ALT_GR;
+	    grub_printf ("AltGr");
+	  }
 	if (at_keyboard_status & (KEYBOARD_STATUS_CTRL_L
 				  | KEYBOARD_STATUS_CTRL_R))
 	  key |= GRUB_TERM_CTRL;

util/grub-mklayouts.c

@@ -115,7 +115,8 @@ get_grub_code (char *layout_code)
 }
 
 void
-write_file (char* filename, grub_uint32_t *keyboard_map)
+write_file (char* filename, grub_uint32_t *keyboard_map,
+	    grub_uint32_t *keyboard_map_alt)
 {
   FILE *fp_output;
   grub_uint32_t version;
@@ -126,6 +127,9 @@ write_file (char* filename, grub_uint32_t *keyboard_map)
   for (i = 0; i < GRUB_KEYBOARD_LAYOUTS_ARRAY_SIZE; i++)
     keyboard_map[i] = grub_cpu_to_le32 (keyboard_map[i]);
 
+  for (i = 0; i < GRUB_KEYBOARD_LAYOUTS_ARRAY_SIZE; i++)
+    keyboard_map_alt[i] = grub_cpu_to_le32 (keyboard_map_alt[i]);
+
   fp_output = fopen (filename, "w");
   
   if (!fp_output)
@@ -139,6 +143,8 @@ write_file (char* filename, grub_uint32_t *keyboard_map)
   fwrite (&version, sizeof (version), 1, fp_output);
   fwrite (keyboard_map, sizeof (keyboard_map[0]),
 	  GRUB_KEYBOARD_LAYOUTS_ARRAY_SIZE, fp_output);
+  fwrite (keyboard_map_alt, sizeof (keyboard_map_alt[0]),
+	  GRUB_KEYBOARD_LAYOUTS_ARRAY_SIZE, fp_output);
   fclose (fp_output);
 }
 
@@ -146,6 +152,7 @@ void
 write_keymaps (char *keymap, char *file_basename)
 {
   grub_uint32_t keyboard_map[GRUB_KEYBOARD_LAYOUTS_ARRAY_SIZE];
+  grub_uint32_t keyboard_map_alt[GRUB_KEYBOARD_LAYOUTS_ARRAY_SIZE];
 
   char line[2048];
   pid_t pid;
@@ -189,11 +196,17 @@ write_keymaps (char *keymap, char *file_basename)
 	  unsigned keycode;
 	  char normal[64];
 	  char shift[64];
-	  sscanf (line, "keycode %u = %60s %60s", &keycode, normal, shift);
+	  char normalalt[64];
+	  char shiftalt[64];
+
+	  sscanf (line, "keycode %u = %60s %60s %60s %60s", &keycode,
+		  normal, shift, normalalt, shiftalt);
 	  if (keycode < ARRAY_SIZE (us_keyboard_map)
 	      && us_keyboard_map[keycode] < ARRAY_SIZE (keyboard_map))
 	    {
 	      keyboard_map[us_keyboard_map[keycode]] = get_grub_code (normal);
+	      keyboard_map_alt[us_keyboard_map[keycode]]
+		= get_grub_code (normalalt);
 	      ok = 1;
 	    }
 	  if (keycode < ARRAY_SIZE (us_keyboard_map_shifted)
@@ -201,6 +214,8 @@ write_keymaps (char *keymap, char *file_basename)
 	    {
 	      keyboard_map[us_keyboard_map_shifted[keycode]]
 		= get_grub_code (shift);
+	      keyboard_map_alt[us_keyboard_map_shifted[keycode]]
+		= get_grub_code (shiftalt);
 	      ok = 1;
 	    }
 	}
@@ -213,7 +228,7 @@ write_keymaps (char *keymap, char *file_basename)
       exit (1);
     }
 
-  write_file (file_basename, keyboard_map);
+  write_file (file_basename, keyboard_map, keyboard_map_alt);
 }
 
 int