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Fix tab and wide character handling in editor and menu.

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* grub-core/normal/charset.c (grub_unicode_aglomerate_comb): Don't
	agglomerate control characters with combining marks.
	(bidi_line_wrap): Allow break on tab.
	(grub_unicode_get_comb_start): New function.
	* grub-core/normal/menu_entry.c: Restructure to handle wide characters
	and tab correctly.
	* grub-core/normal/menu_text.c (print_entry): Replace \n, \r, \b and \e
	with a space.
	* grub-core/normal/term.c (print_ucs4_terminal): New argument
	fixed_tab_size. All users updated.
	* include/grub/term.h (GRUB_TERM_TAB_WIDTH): New const.
	(grub_term_getcharwidth): Handle \t.
	* include/grub/unicode.h (grub_unicode_glyph_dup): Fix allocation
	and copy.
This commit is contained in:
Vladimir 'phcoder' Serbinenko 2012-03-27 17:07:26 +02:00
parent 22e6a774f9
commit e1bd676b4e
9 changed files with 320 additions and 189 deletions
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3
grub-core/kern/term.c
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@ -50,7 +50,8 @@ grub_putcode_dumb (grub_uint32_t code,
{
int n;
n = 8 - ((term->getxy (term) >> 8) & 7);
n = GRUB_TERM_TAB_WIDTH - ((term->getxy (term) >> 8)
% GRUB_TERM_TAB_WIDTH);
while (n--)
grub_putcode_dumb (' ', term);