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bidi works in terminal in grub-emu

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This commit is contained in:
Vladimir 'phcoder' Serbinenko 2010-03-15 21:14:11 +01:00
parent dfed5c6bb4
commit 0a239a8211
23 changed files with 1101 additions and 799 deletions
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74
normal/menu_text.c
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@ -46,18 +46,6 @@ print_spaces (int number_spaces, struct grub_term_output *term)
grub_putcode (' ', term);
}
void
grub_print_ucs4 (const grub_uint32_t * str,
const grub_uint32_t * last_position,
struct grub_term_output *term)
{
while (str < last_position)
{
grub_putcode (*str, term);
str++;
}
}
grub_ssize_t
grub_getstringwidth (grub_uint32_t * str, const grub_uint32_t * last_position,
struct grub_term_output *term)
@ -66,8 +54,9 @@ grub_getstringwidth (grub_uint32_t * str, const grub_uint32_t * last_position,
while (str < last_position)
{
width += grub_term_getcharwidth (term, *str);
str++;
struct grub_unicode_glyph glyph;
str += grub_unicode_aglomerate_comb (str, last_position - str, &glyph);
width += grub_term_getcharwidth (term, &glyph);
}
return width;
}
@ -83,8 +72,18 @@ grub_print_message_indented (const char *msg, int margin_left, int margin_right,
int msg_len;
line_len = grub_term_width (term) - grub_term_getcharwidth (term, 'm') *
(margin_left + margin_right);
{
struct grub_unicode_glyph pseudo_glyph = {
.base = ' ',
.variant = 0,
.attributes = 0,
.ncomb = 0,
.combining = 0
};
line_len = grub_term_width (term)
- grub_term_getcharwidth (term, &pseudo_glyph)
* (margin_left + margin_right);
}
msg_len = grub_utf8_to_ucs4_alloc (msg, &unicode_msg, &last_position);
@ -252,34 +251,53 @@ print_entry (int y, int highlight, grub_menu_entry_t entry,
grub_term_gotoxy (term, GRUB_TERM_LEFT_BORDER_X + GRUB_TERM_MARGIN, y);
int last_printed = 0;
for (x = GRUB_TERM_LEFT_BORDER_X + GRUB_TERM_MARGIN + 1, i = 0;
x < (int) (GRUB_TERM_LEFT_BORDER_X + grub_term_border_width (term)
- GRUB_TERM_MARGIN);
i++)
- GRUB_TERM_MARGIN);)
{
if (i < len
&& x <= (int) (GRUB_TERM_LEFT_BORDER_X + grub_term_border_width (term)
- GRUB_TERM_MARGIN - 1))
{
grub_ssize_t width;
struct grub_unicode_glyph glyph;
width = grub_term_getcharwidth (term, unicode_title[i]);
i += grub_unicode_aglomerate_comb (unicode_title + i,
len - i, &glyph);
if (x + width > (int) (GRUB_TERM_LEFT_BORDER_X
width = grub_term_getcharwidth (term, &glyph);
if (x + width <= (int) (GRUB_TERM_LEFT_BORDER_X
+ grub_term_border_width (term)
- GRUB_TERM_MARGIN - 1))
grub_putcode (GRUB_TERM_DISP_RIGHT, term);
else
grub_putcode (unicode_title[i], term);
last_printed = i;
x += width;
}
else
{
grub_putcode (' ', term);
x++;
}
break;
}
grub_print_ucs4 (unicode_title,
unicode_title + last_printed, term);
if (last_printed != len)
{
grub_putcode (GRUB_TERM_DISP_RIGHT, term);
struct grub_unicode_glyph pseudo_glyph = {
.base = GRUB_TERM_DISP_RIGHT,
.variant = 0,
.attributes = 0,
.ncomb = 0,
.combining = 0
};
x += grub_term_getcharwidth (term, &pseudo_glyph);
}
for (; x < (int) (GRUB_TERM_LEFT_BORDER_X + grub_term_border_width (term)
- GRUB_TERM_MARGIN); x++)
grub_putcode (' ', term);
grub_term_setcolorstate (term, GRUB_TERM_COLOR_NORMAL);
grub_putcode (' ', term);