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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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6
grub-core/normal/menu_text.c
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@ -234,6 +234,12 @@ 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 (i = 0; i < len; i++)
if (unicode_title[i] == '\n' || unicode_title[i] == '\b'
|| unicode_title[i] == '\r' || unicode_title[i] == '\e')
unicode_title[i] = ' ';
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);)