vbatts/grub
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Dynamically count the number of lines for the lower banner.

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* grub-core/normal/menu_entry.c (per_term_screen): New member
	num_entries.
	(print_down): Use num_entries.
	(update_screen): Likewise.
	(grub_menu_entry_run): Set num_entries.
	* grub-core/normal/menu_text.c (menu_viewer_data): New member
	num_entries.
	(grub_print_message_indented): Move real part to ...
	(grub_print_message_indented_real): ... here. Additional argument
	dry_run.
	(draw_border): Additional argument num_entries.
	(print_message): Additional argument dry_run.
	(print_entries): Receive menu viewer data.
	(grub_menu_init_page): New argment num_entries.
	(menu_text_set_chosen_entry): Use num_entries.
	(grub_menu_try_text): Likewise.
	* grub-core/normal/term.c (print_ucs4_terminal): New argument dry_run.
	All users updated.
	(grub_ucs4_count_lines): New function.
	* include/grub/term.h (grub_term_cursor_x): Moved from here ..
	* grub-core/normal/menu_text.c (grub_term_cursor_x): ... to here.
	* include/grub/term.h (GRUB_TERM_MESSAGE_HEIGHT): Removed.
	(grub_term_border_height): Likewise.
	(grub_term_num_entries): Likewise.
This commit is contained in:
Vladimir 'phcoder' Serbinenko 2011-04-10 13:56:23 +02:00
parent 277f955bf1
commit 8b8a81fa6a
6 changed files with 225 additions and 138 deletions
Download patch file Download diff file Expand all files Collapse all files

20
grub-core/normal/menu_entry.c
View file

@ -52,6 +52,8 @@ struct per_term_screen
int x;
/* The Y coordinate. */
int y;
/* Number of entries. */
int num_entries;
};
struct screen
@ -188,7 +190,7 @@ print_down (int flag, struct per_term_screen *term_screen)
grub_term_gotoxy (term_screen->term, GRUB_TERM_LEFT_BORDER_X
+ grub_term_border_width (term_screen->term),
GRUB_TERM_TOP_BORDER_Y
+ grub_term_num_entries (term_screen->term));
+ term_screen->num_entries);
if (flag)
grub_putcode (GRUB_UNICODE_DOWNARROW, term_screen->term);
@ -209,13 +211,12 @@ update_screen (struct screen *screen, struct per_term_screen *term_screen,
struct line *linep;
/* Check if scrolling is necessary. */
if (term_screen->y < 0 || term_screen->y
>= grub_term_num_entries (term_screen->term))
if (term_screen->y < 0 || term_screen->y >= term_screen->num_entries)
{
if (term_screen->y < 0)
term_screen->y = 0;
else
term_screen->y = grub_term_num_entries (term_screen->term) - 1;
term_screen->y = term_screen->num_entries - 1;
region_start = 0;
region_column = 0;
@ -251,7 +252,7 @@ update_screen (struct screen *screen, struct per_term_screen *term_screen,
for (column = 0;
column <= linep->len
&& y < grub_term_num_entries (term_screen->term);
&& y < term_screen->num_entries;
column += grub_term_entry_width (term_screen->term), y++)
{
if (y < 0)
@ -272,7 +273,7 @@ update_screen (struct screen *screen, struct per_term_screen *term_screen,
print_line (linep, column, 0, y, term_screen);
}
if (y == grub_term_num_entries (term_screen->term))
if (y == term_screen->num_entries)
{
if (column <= linep->len || i + 1 < screen->num_lines)
down_flag = 1;
@ -282,11 +283,11 @@ update_screen (struct screen *screen, struct per_term_screen *term_screen,
i++;
if (mode == ALL_LINES && i == screen->num_lines)
for (; y < grub_term_num_entries (term_screen->term); y++)
for (; y < term_screen->num_entries; y++)
print_empty_line (y, term_screen);
}
while (y < grub_term_num_entries (term_screen->term));
while (y < term_screen->num_entries);
/* Draw up and down arrows. */
if (up)
@ -1290,7 +1291,8 @@ grub_menu_entry_run (grub_menu_entry_t entry)
}
/* Draw the screen. */
for (i = 0; i < screen->nterms; i++)
grub_menu_init_page (0, 1, screen->terms[i].term);
grub_menu_init_page (0, 1, &screen->terms[i].num_entries,
screen->terms[i].term);
update_screen_all (screen, 0, 0, 1, 1, ALL_LINES);
for (i = 0; i < screen->nterms; i++)
grub_term_setcursor (screen->terms[i].term, 1);