Re: gettext: print_timeout

[Robert Millan <rmh@aybabtu.com>]

On Sun, Dec 13, 2009 at 01:31:55AM +0000, Carles Pina i Estany wrote:
> 
> If ok I would commit.

Was this checked in?  ISTR having OKed it on IRC, but I don't see it
in ChangeLog.


> === modified file 'ChangeLog'
> --- ChangeLog	2009-12-12 00:43:32 +0000
> +++ ChangeLog	2009-12-13 00:44:09 +0000
> @@ -1,3 +1,10 @@
> +2009-12-13  Carles Pina i Estany  <carles@pina.cat>
> +
> +	* normal/menu_text.c (utf8_to_ucs4): New definition.
> +	(print_message_indented): Use `utf8_to_ucs'.
> +	(print_timeout): Prints the whole string so avoid problems with
> +	multi-byte and multi-width characters.
> +
>  2009-12-12  Robert Millan  <rmh@aybabtu.com>
>  
>  	* gendistlist.sh (EXTRA_DISTFILES): Add `genvideolist.sh'.
> 
> === modified file 'normal/menu_text.c'
> --- normal/menu_text.c	2009-12-08 00:08:52 +0000
> +++ normal/menu_text.c	2009-12-13 01:26:09 +0000
> @@ -77,35 +77,50 @@ getstringwidth (grub_uint32_t * str, con
>    return width;
>  }
>  
> +static int
> +utf8_to_ucs4 (const char *msg, grub_uint32_t **unicode_msg,
> +			grub_uint32_t **last_position)
> +{
> +  grub_ssize_t msg_len = grub_strlen (msg);
> +
> +  *unicode_msg = grub_malloc (grub_strlen (msg) * sizeof (grub_uint32_t));
> +  
> +  if (!*unicode_msg)
> +    {
> +      grub_printf ("utf8_to_ucs4 ERROR1: %s", msg);
> +      return -1;
> +    }
> +
> +  msg_len = grub_utf8_to_ucs4 (*unicode_msg, msg_len,
> +  			      (grub_uint8_t *) msg, -1, 0);
> +
> +  *last_position = *unicode_msg + msg_len;
> +
> +  if (msg_len < 0)
> +    {
> +      grub_printf ("utf8_to_ucs4 ERROR2: %s", msg);
> +      grub_free (*unicode_msg);
> +    }
> +  return msg_len;
> +}
> +
>  static void
>  print_message_indented (const char *msg)
>  {
>    const int line_len = GRUB_TERM_WIDTH - grub_getcharwidth ('m') * 15;
>  
>    grub_uint32_t *unicode_msg;
> +  grub_uint32_t *last_position;
>  
> -  grub_ssize_t msg_len = grub_strlen (msg);
> -
> -  unicode_msg = grub_malloc (msg_len * sizeof (*unicode_msg));
> +  int msg_len;
>  
> -  msg_len = grub_utf8_to_ucs4 (unicode_msg, msg_len,
> -                              (grub_uint8_t *) msg, -1, 0);
> -
> -  if (!unicode_msg)
> -    {
> -      grub_printf ("print_message_indented ERROR1: %s", msg);
> -      return;
> -    }
> +  msg_len = utf8_to_ucs4 (msg, &unicode_msg, &last_position);
>  
>    if (msg_len < 0)
>      {
> -      grub_printf ("print_message_indented ERROR2: %s", msg);
> -      grub_free (unicode_msg);
>        return;
>      }
>  
> -  const grub_uint32_t *last_position = unicode_msg + msg_len;
> -
>    grub_uint32_t *current_position = unicode_msg;
>  
>    grub_uint32_t *next_new_line = unicode_msg;
> @@ -368,22 +383,39 @@ get_entry_number (const char *name)
>  }
>  
>  static void
> -print_timeout (int timeout, int offset, int second_stage)
> +print_timeout (int timeout, int offset,
> +	       int second_stage __attribute__ ((unused)))
>  {
>    const char *msg =
>      _("The highlighted entry will be booted automatically in %ds.");
> -  const int msg_localized_len = grub_strlen (msg);
> -  const int number_spaces = GRUB_TERM_WIDTH - msg_localized_len - 3;
>  
> -  char *msg_end = grub_strchr (msg, '%');
> +  char *msg_formatted = grub_malloc (sizeof (char) *
> +                        (grub_strlen (msg) + 1 + 6));
> +                        /* 5: max string length that `timeout' can have.  */
> +
> +  grub_sprintf (msg_formatted, msg, timeout);
> +
> +  grub_uint32_t *unicode_msg;
> +  grub_uint32_t *last_position;
> +
> +  int msg_len = utf8_to_ucs4 (msg_formatted, &unicode_msg, &last_position);
> +  if (msg_len < 0)
> +    {
> +      return;
> +    }
>  
> -  grub_gotoxy (second_stage ? (msg_end - msg + 3) : 3, GRUB_TERM_HEIGHT - 3);
> -  grub_printf (second_stage ? msg_end : msg, timeout);
> -  print_spaces (second_stage ? number_spaces : 0);
> +  grub_gotoxy (3, GRUB_TERM_HEIGHT - 3);
> +  grub_print_ucs4 (unicode_msg, last_position);
> +
> +  int strwidth = getstringwidth (unicode_msg, last_position);
> +
> +  print_spaces (GRUB_TERM_WIDTH - strwidth - 3);
> +  
> +  grub_free(unicode_msg);
>  
>    grub_gotoxy (GRUB_TERM_CURSOR_X, GRUB_TERM_FIRST_ENTRY_Y + offset);
>    grub_refresh ();
> -};
> +}
>  
>  /* Show the menu and handle menu entry selection.  Returns the menu entry
>     index that should be executed or -1 if no entry should be executed (e.g.,
> 

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-- 
Robert Millan

  "Be the change you want to see in the world" -- Gandhi