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

7
include/grub/normal.h
View file

@ -51,7 +51,7 @@ extern int grub_normal_exit_level;
/* Defined in `main.c'. */
void grub_enter_normal_mode (const char *config);
void grub_normal_execute (const char *config, int nested, int batch);
void grub_menu_init_page (int nested, int edit,
void grub_menu_init_page (int nested, int edit, int *num_entries,
struct grub_term_output *term);
void grub_normal_init_page (struct grub_term_output *term);
char *grub_file_getline (grub_file_t file);
@ -80,6 +80,11 @@ grub_print_ucs4 (const grub_uint32_t * str,
const grub_uint32_t * last_position,
int margin_left, int margin_right,
struct grub_term_output *term);
int
grub_ucs4_count_lines (const grub_uint32_t * str,
const grub_uint32_t * last_position,
int margin_left, int margin_right,
struct grub_term_output *term);
grub_ssize_t grub_getstringwidth (grub_uint32_t * str,
const grub_uint32_t * last_position,
struct grub_term_output *term);

26
include/grub/term.h
View file

@ -140,9 +140,6 @@ grub_term_color_state;
/* The X position of the left border. */
#define GRUB_TERM_LEFT_BORDER_X GRUB_TERM_MARGIN
/* The number of lines of messages at the bottom. */
#define GRUB_TERM_MESSAGE_HEIGHT 8
/* The Y position of the first entry. */
#define GRUB_TERM_FIRST_ENTRY_Y (GRUB_TERM_TOP_BORDER_Y + 1)
@ -339,29 +336,6 @@ grub_term_entry_width (struct grub_term_output *term)
return grub_term_border_width (term) - 2 - GRUB_TERM_MARGIN * 2 - 1;
}
/* The height of the border. */
static inline unsigned
grub_term_border_height (struct grub_term_output *term)
{
return grub_term_height (term) - GRUB_TERM_TOP_BORDER_Y
- GRUB_TERM_MESSAGE_HEIGHT;
}
/* The number of entries shown at a time. */
static inline int
grub_term_num_entries (struct grub_term_output *term)
{
return grub_term_border_height (term) - 2;
}
static inline int
grub_term_cursor_x (struct grub_term_output *term)
{
return (GRUB_TERM_LEFT_BORDER_X + grub_term_border_width (term)
- GRUB_TERM_MARGIN - 1);
}
static inline grub_uint16_t
grub_term_getxy (struct grub_term_output *term)
{