Core changes hopefully finished
This commit is contained in:
Vladimir 'phcoder' Serbinenko
parent
e48625a306
commit
2e71383172
23 changed files with 1493 additions and 947 deletions
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@ -26,96 +26,66 @@
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#include <grub/env.h>
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#include <grub/menu_viewer.h>
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#include <grub/i18n.h>
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/* Time to delay after displaying an error message about a default/fallback
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entry failing to boot. */
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#define DEFAULT_ENTRY_ERROR_DELAY_MS 2500
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#include <grub/charset.h>
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static grub_uint8_t grub_color_menu_normal;
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static grub_uint8_t grub_color_menu_highlight;
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/* Wait until the user pushes any key so that the user
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can see what happened. */
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void
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grub_wait_after_message (void)
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struct menu_viewer_data
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{
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grub_putchar ('\n');
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grub_printf_ (N_("Press any key to continue..."));
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(void) grub_getkey ();
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grub_putchar ('\n');
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}
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int first, offset;
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grub_menu_t menu;
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struct grub_term_output *term;
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};
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static void
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print_spaces (int number_spaces)
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print_spaces (int number_spaces, struct grub_term_output *term)
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{
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int i;
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for (i = 0; i < number_spaces; i++)
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grub_putchar (' ');
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grub_putcode (' ', term);
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}
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void
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grub_print_ucs4 (const grub_uint32_t * str,
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const grub_uint32_t * last_position)
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const grub_uint32_t * last_position,
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struct grub_term_output *term)
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{
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while (str < last_position)
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{
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grub_putcode (*str);
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grub_putcode (*str, term);
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str++;
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}
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}
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int
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grub_utf8_to_ucs4_alloc (const char *msg, grub_uint32_t **unicode_msg,
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grub_uint32_t **last_position)
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{
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grub_ssize_t msg_len = grub_strlen (msg);
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*unicode_msg = grub_malloc (grub_strlen (msg) * sizeof (grub_uint32_t));
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if (!*unicode_msg)
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{
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grub_printf ("utf8_to_ucs4 ERROR1: %s", msg);
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return -1;
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}
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msg_len = grub_utf8_to_ucs4 (*unicode_msg, msg_len,
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(grub_uint8_t *) msg, -1, 0);
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*last_position = *unicode_msg + msg_len;
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if (msg_len < 0)
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{
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grub_printf ("utf8_to_ucs4 ERROR2: %s", msg);
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grub_free (*unicode_msg);
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}
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return msg_len;
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}
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grub_ssize_t
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grub_getstringwidth (grub_uint32_t * str, const grub_uint32_t * last_position)
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grub_getstringwidth (grub_uint32_t * str, const grub_uint32_t * last_position,
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struct grub_term_output *term)
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{
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grub_ssize_t width = 0;
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while (str < last_position)
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{
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width += grub_getcharwidth (*str);
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width += grub_term_getcharwidth (term, *str);
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str++;
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}
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return width;
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}
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void
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grub_print_message_indented (const char *msg, int margin_left, int margin_right)
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grub_print_message_indented (const char *msg, int margin_left, int margin_right,
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struct grub_term_output *term)
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{
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int line_len;
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line_len = GRUB_TERM_WIDTH - grub_getcharwidth ('m') *
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(margin_left + margin_right);
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grub_uint32_t *unicode_msg;
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grub_uint32_t *last_position;
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int msg_len;
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line_len = grub_term_width (term) - grub_term_getcharwidth (term, 'm') *
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(margin_left + margin_right);
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msg_len = grub_utf8_to_ucs4_alloc (msg, &unicode_msg, &last_position);
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if (msg_len < 0)
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@ -132,11 +102,12 @@ grub_print_message_indented (const char *msg, int margin_left, int margin_right)
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while (current_position < last_position)
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{
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if (! first_loop)
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grub_putchar ('\n');
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grub_putcode ('\n', term);
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next_new_line = (grub_uint32_t *) last_position;
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while (grub_getstringwidth (current_position, next_new_line) > line_len
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while (grub_getstringwidth (current_position, next_new_line,term)
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> line_len
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|| (*next_new_line != ' ' && next_new_line > current_position &&
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next_new_line != last_position))
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{
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@ -149,8 +120,8 @@ grub_print_message_indented (const char *msg, int margin_left, int margin_right)
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(grub_uint32_t *) last_position : next_new_line + line_len;
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}
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print_spaces (margin_left);
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grub_print_ucs4 (current_position, next_new_line);
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print_spaces (margin_left, term);
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grub_print_ucs4 (current_position, next_new_line, term);
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next_new_line++;
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current_position = next_new_line;
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@ -161,52 +132,54 @@ grub_print_message_indented (const char *msg, int margin_left, int margin_right)
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static void
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draw_border (void)
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draw_border (struct grub_term_output *term)
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{
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unsigned i;
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grub_setcolorstate (GRUB_TERM_COLOR_NORMAL);
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grub_term_setcolorstate (term, GRUB_TERM_COLOR_NORMAL);
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grub_gotoxy (GRUB_TERM_MARGIN, GRUB_TERM_TOP_BORDER_Y);
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grub_putcode (GRUB_TERM_DISP_UL);
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for (i = 0; i < (unsigned) GRUB_TERM_BORDER_WIDTH - 2; i++)
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grub_putcode (GRUB_TERM_DISP_HLINE);
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grub_putcode (GRUB_TERM_DISP_UR);
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grub_term_gotoxy (term, GRUB_TERM_MARGIN, GRUB_TERM_TOP_BORDER_Y);
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grub_putcode (GRUB_TERM_DISP_UL, term);
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for (i = 0; i < (unsigned) grub_term_border_width (term) - 2; i++)
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grub_putcode (GRUB_TERM_DISP_HLINE, term);
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grub_putcode (GRUB_TERM_DISP_UR, term);
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for (i = 0; i < (unsigned) GRUB_TERM_NUM_ENTRIES; i++)
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for (i = 0; i < (unsigned) grub_term_num_entries (term); i++)
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{
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grub_gotoxy (GRUB_TERM_MARGIN, GRUB_TERM_TOP_BORDER_Y + i + 1);
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grub_putcode (GRUB_TERM_DISP_VLINE);
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grub_gotoxy (GRUB_TERM_MARGIN + GRUB_TERM_BORDER_WIDTH - 1,
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GRUB_TERM_TOP_BORDER_Y + i + 1);
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grub_putcode (GRUB_TERM_DISP_VLINE);
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grub_term_gotoxy (term, GRUB_TERM_MARGIN, GRUB_TERM_TOP_BORDER_Y + i + 1);
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grub_putcode (GRUB_TERM_DISP_VLINE, term);
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grub_term_gotoxy (term, GRUB_TERM_MARGIN + grub_term_border_width (term)
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- 1,
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GRUB_TERM_TOP_BORDER_Y + i + 1);
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grub_putcode (GRUB_TERM_DISP_VLINE, term);
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}
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grub_gotoxy (GRUB_TERM_MARGIN,
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GRUB_TERM_TOP_BORDER_Y + GRUB_TERM_NUM_ENTRIES + 1);
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grub_putcode (GRUB_TERM_DISP_LL);
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for (i = 0; i < (unsigned) GRUB_TERM_BORDER_WIDTH - 2; i++)
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grub_putcode (GRUB_TERM_DISP_HLINE);
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grub_putcode (GRUB_TERM_DISP_LR);
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grub_term_gotoxy (term, GRUB_TERM_MARGIN,
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GRUB_TERM_TOP_BORDER_Y + grub_term_num_entries (term) + 1);
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grub_putcode (GRUB_TERM_DISP_LL, term);
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for (i = 0; i < (unsigned) grub_term_border_width (term) - 2; i++)
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grub_putcode (GRUB_TERM_DISP_HLINE, term);
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grub_putcode (GRUB_TERM_DISP_LR, term);
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grub_setcolorstate (GRUB_TERM_COLOR_NORMAL);
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grub_term_setcolorstate (term, GRUB_TERM_COLOR_NORMAL);
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grub_gotoxy (GRUB_TERM_MARGIN,
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(GRUB_TERM_TOP_BORDER_Y + GRUB_TERM_NUM_ENTRIES
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+ GRUB_TERM_MARGIN + 1));
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grub_term_gotoxy (term, GRUB_TERM_MARGIN,
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(GRUB_TERM_TOP_BORDER_Y + grub_term_num_entries (term)
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+ GRUB_TERM_MARGIN + 1));
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}
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static void
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print_message (int nested, int edit)
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print_message (int nested, int edit, struct grub_term_output *term)
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{
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grub_setcolorstate (GRUB_TERM_COLOR_NORMAL);
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grub_term_setcolorstate (term, GRUB_TERM_COLOR_NORMAL);
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if (edit)
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{
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grub_putchar ('\n');
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grub_putcode ('\n', term);
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grub_print_message_indented (_("Minimum Emacs-like screen editing is \
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supported. TAB lists completions. Press Ctrl-x to boot, Ctrl-c for a \
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command-line or ESC to return menu."), STANDARD_MARGIN, STANDARD_MARGIN);
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command-line or ESC to return menu."), STANDARD_MARGIN, STANDARD_MARGIN,
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term);
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}
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else
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{
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@ -218,12 +191,14 @@ entry is highlighted.\n");
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grub_sprintf (msg_translated, msg, (grub_uint32_t) GRUB_TERM_DISP_UP,
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(grub_uint32_t) GRUB_TERM_DISP_DOWN);
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grub_putchar ('\n');
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grub_print_message_indented (msg_translated, STANDARD_MARGIN, STANDARD_MARGIN);
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grub_print_message_indented (msg_translated, STANDARD_MARGIN,
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STANDARD_MARGIN, term);
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grub_free (msg_translated);
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grub_print_message_indented (_("Press enter to boot the selected OS, \
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\'e\' to edit the commands before booting or \'c\' for a command-line.\n"), STANDARD_MARGIN, STANDARD_MARGIN);
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\'e\' to edit the commands before booting or \'c\' for a command-line.\n"),
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STANDARD_MARGIN, STANDARD_MARGIN, term);
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if (nested)
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{
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@ -234,7 +209,8 @@ entry is highlighted.\n");
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}
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static void
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print_entry (int y, int highlight, grub_menu_entry_t entry)
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print_entry (int y, int highlight, grub_menu_entry_t entry,
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struct grub_term_output *term)
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{
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int x;
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const char *title;
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@ -260,482 +236,248 @@ print_entry (int y, int highlight, grub_menu_entry_t entry)
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return;
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}
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grub_getcolor (&old_color_normal, &old_color_highlight);
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grub_setcolor (grub_color_menu_normal, grub_color_menu_highlight);
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grub_setcolorstate (highlight
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? GRUB_TERM_COLOR_HIGHLIGHT
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: GRUB_TERM_COLOR_NORMAL);
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grub_term_getcolor (term, &old_color_normal, &old_color_highlight);
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grub_term_setcolor (term, grub_color_menu_normal, grub_color_menu_highlight);
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grub_term_setcolorstate (term, highlight
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? GRUB_TERM_COLOR_HIGHLIGHT
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: GRUB_TERM_COLOR_NORMAL);
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grub_gotoxy (GRUB_TERM_LEFT_BORDER_X + GRUB_TERM_MARGIN, y);
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grub_term_gotoxy (term, GRUB_TERM_LEFT_BORDER_X + GRUB_TERM_MARGIN, y);
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for (x = GRUB_TERM_LEFT_BORDER_X + GRUB_TERM_MARGIN + 1, i = 0;
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x < GRUB_TERM_LEFT_BORDER_X + GRUB_TERM_BORDER_WIDTH - GRUB_TERM_MARGIN;
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x < (int) (GRUB_TERM_LEFT_BORDER_X + grub_term_border_width (term)
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- GRUB_TERM_MARGIN);
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i++)
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{
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if (i < len
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&& x <= (GRUB_TERM_LEFT_BORDER_X + GRUB_TERM_BORDER_WIDTH
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- GRUB_TERM_MARGIN - 1))
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&& x <= (int) (GRUB_TERM_LEFT_BORDER_X + grub_term_border_width (term)
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- GRUB_TERM_MARGIN - 1))
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{
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grub_ssize_t width;
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width = grub_getcharwidth (unicode_title[i]);
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width = grub_term_getcharwidth (term, unicode_title[i]);
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if (x + width > (GRUB_TERM_LEFT_BORDER_X + GRUB_TERM_BORDER_WIDTH
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- GRUB_TERM_MARGIN - 1))
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grub_putcode (GRUB_TERM_DISP_RIGHT);
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if (x + width > (int) (GRUB_TERM_LEFT_BORDER_X
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+ grub_term_border_width (term)
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- GRUB_TERM_MARGIN - 1))
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grub_putcode (GRUB_TERM_DISP_RIGHT, term);
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else
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grub_putcode (unicode_title[i]);
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grub_putcode (unicode_title[i], term);
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x += width;
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}
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else
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{
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grub_putchar (' ');
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grub_putcode (' ', term);
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x++;
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}
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}
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grub_setcolorstate (GRUB_TERM_COLOR_NORMAL);
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grub_putchar (' ');
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grub_term_setcolorstate (term, GRUB_TERM_COLOR_NORMAL);
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grub_putcode (' ', term);
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grub_gotoxy (GRUB_TERM_CURSOR_X, y);
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grub_term_gotoxy (term, grub_term_cursor_x (term), y);
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grub_setcolor (old_color_normal, old_color_highlight);
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grub_setcolorstate (GRUB_TERM_COLOR_NORMAL);
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grub_term_setcolor (term, old_color_normal, old_color_highlight);
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grub_term_setcolorstate (term, GRUB_TERM_COLOR_NORMAL);
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grub_free (unicode_title);
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}
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static void
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print_entries (grub_menu_t menu, int first, int offset)
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print_entries (grub_menu_t menu, int first, int offset,
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struct grub_term_output *term)
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{
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grub_menu_entry_t e;
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int i;
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grub_gotoxy (GRUB_TERM_LEFT_BORDER_X + GRUB_TERM_BORDER_WIDTH,
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GRUB_TERM_FIRST_ENTRY_Y);
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grub_term_gotoxy (term,
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GRUB_TERM_LEFT_BORDER_X + grub_term_border_width (term),
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GRUB_TERM_FIRST_ENTRY_Y);
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if (first)
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grub_putcode (GRUB_TERM_DISP_UP);
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grub_putcode (GRUB_TERM_DISP_UP, term);
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else
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grub_putchar (' ');
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grub_putcode (' ', term);
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e = grub_menu_get_entry (menu, first);
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for (i = 0; i < GRUB_TERM_NUM_ENTRIES; i++)
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for (i = 0; i < grub_term_num_entries (term); i++)
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{
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print_entry (GRUB_TERM_FIRST_ENTRY_Y + i, offset == i, e);
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print_entry (GRUB_TERM_FIRST_ENTRY_Y + i, offset == i, e, term);
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if (e)
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e = e->next;
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}
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grub_gotoxy (GRUB_TERM_LEFT_BORDER_X + GRUB_TERM_BORDER_WIDTH,
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GRUB_TERM_TOP_BORDER_Y + GRUB_TERM_NUM_ENTRIES);
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grub_term_gotoxy (term, GRUB_TERM_LEFT_BORDER_X
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+ grub_term_border_width (term),
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GRUB_TERM_TOP_BORDER_Y + grub_term_num_entries (term));
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if (e)
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grub_putcode (GRUB_TERM_DISP_DOWN);
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grub_putcode (GRUB_TERM_DISP_DOWN, term);
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else
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grub_putchar (' ');
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grub_putcode (' ', term);
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grub_gotoxy (GRUB_TERM_CURSOR_X, GRUB_TERM_FIRST_ENTRY_Y + offset);
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grub_term_gotoxy (term, grub_term_cursor_x (term),
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GRUB_TERM_FIRST_ENTRY_Y + offset);
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}
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/* Initialize the screen. If NESTED is non-zero, assume that this menu
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is run from another menu or a command-line. If EDIT is non-zero, show
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a message for the menu entry editor. */
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void
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grub_menu_init_page (int nested, int edit)
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grub_menu_init_page (int nested, int edit,
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struct grub_term_output *term)
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{
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grub_uint8_t old_color_normal, old_color_highlight;
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grub_getcolor (&old_color_normal, &old_color_highlight);
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grub_term_getcolor (term, &old_color_normal, &old_color_highlight);
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/* By default, use the same colors for the menu. */
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grub_color_menu_normal = old_color_normal;
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grub_color_menu_highlight = old_color_highlight;
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/* Then give user a chance to replace them. */
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grub_parse_color_name_pair (&grub_color_menu_normal, grub_env_get ("menu_color_normal"));
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grub_parse_color_name_pair (&grub_color_menu_highlight, grub_env_get ("menu_color_highlight"));
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grub_parse_color_name_pair (&grub_color_menu_normal,
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grub_env_get ("menu_color_normal"));
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grub_parse_color_name_pair (&grub_color_menu_highlight,
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grub_env_get ("menu_color_highlight"));
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grub_normal_init_page ();
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grub_setcolor (grub_color_menu_normal, grub_color_menu_highlight);
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draw_border ();
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grub_setcolor (old_color_normal, old_color_highlight);
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print_message (nested, edit);
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}
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/* Get the entry number from the variable NAME. */
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||||
static int
|
||||
get_entry_number (const char *name)
|
||||
{
|
||||
char *val;
|
||||
int entry;
|
||||
|
||||
val = grub_env_get (name);
|
||||
if (! val)
|
||||
return -1;
|
||||
|
||||
grub_error_push ();
|
||||
|
||||
entry = (int) grub_strtoul (val, 0, 0);
|
||||
|
||||
if (grub_errno != GRUB_ERR_NONE)
|
||||
{
|
||||
grub_errno = GRUB_ERR_NONE;
|
||||
entry = -1;
|
||||
}
|
||||
|
||||
grub_error_pop ();
|
||||
|
||||
return entry;
|
||||
grub_normal_init_page (term);
|
||||
grub_term_setcolor (term, grub_color_menu_normal, grub_color_menu_highlight);
|
||||
draw_border (term);
|
||||
grub_term_setcolor (term, old_color_normal, old_color_highlight);
|
||||
print_message (nested, edit, term);
|
||||
}
|
||||
|
||||
static void
|
||||
print_timeout (int timeout, int offset)
|
||||
menu_text_print_timeout (int timeout, void *dataptr)
|
||||
{
|
||||
const char *msg =
|
||||
_("The highlighted entry will be booted automatically in %ds.");
|
||||
|
||||
grub_gotoxy (0, GRUB_TERM_HEIGHT - 3);
|
||||
|
||||
char *msg_translated =
|
||||
grub_malloc (sizeof (char) * grub_strlen (msg) + 5);
|
||||
|
||||
grub_sprintf (msg_translated, msg, timeout);
|
||||
grub_print_message_indented (msg_translated, 3, 0);
|
||||
|
||||
struct menu_viewer_data *data = dataptr;
|
||||
char *msg_translated;
|
||||
int posx;
|
||||
posx = grub_getxy() >> 8;
|
||||
print_spaces (GRUB_TERM_WIDTH - posx - 1);
|
||||
|
||||
grub_gotoxy (GRUB_TERM_CURSOR_X, GRUB_TERM_FIRST_ENTRY_Y + offset);
|
||||
grub_refresh ();
|
||||
}
|
||||
grub_term_gotoxy (data->term, 0, grub_term_height (data->term) - 3);
|
||||
|
||||
/* Show the menu and handle menu entry selection. Returns the menu entry
|
||||
index that should be executed or -1 if no entry should be executed (e.g.,
|
||||
Esc pressed to exit a sub-menu or switching menu viewers).
|
||||
If the return value is not -1, then *AUTO_BOOT is nonzero iff the menu
|
||||
entry to be executed is a result of an automatic default selection because
|
||||
of the timeout. */
|
||||
static int
|
||||
run_menu (grub_menu_t menu, int nested, int *auto_boot)
|
||||
{
|
||||
int first, offset;
|
||||
grub_uint64_t saved_time;
|
||||
int default_entry;
|
||||
int timeout;
|
||||
|
||||
first = 0;
|
||||
|
||||
default_entry = get_entry_number ("default");
|
||||
|
||||
/* If DEFAULT_ENTRY is not within the menu entries, fall back to
|
||||
the first entry. */
|
||||
if (default_entry < 0 || default_entry >= menu->size)
|
||||
default_entry = 0;
|
||||
|
||||
/* If timeout is 0, drawing is pointless (and ugly). */
|
||||
if (grub_menu_get_timeout () == 0)
|
||||
{
|
||||
*auto_boot = 1;
|
||||
return default_entry;
|
||||
}
|
||||
|
||||
offset = default_entry;
|
||||
if (offset > GRUB_TERM_NUM_ENTRIES - 1)
|
||||
{
|
||||
first = offset - (GRUB_TERM_NUM_ENTRIES - 1);
|
||||
offset = GRUB_TERM_NUM_ENTRIES - 1;
|
||||
}
|
||||
|
||||
/* Initialize the time. */
|
||||
saved_time = grub_get_time_ms ();
|
||||
|
||||
refresh:
|
||||
grub_setcursor (0);
|
||||
grub_menu_init_page (nested, 0);
|
||||
print_entries (menu, first, offset);
|
||||
grub_refresh ();
|
||||
|
||||
timeout = grub_menu_get_timeout ();
|
||||
|
||||
if (timeout > 0)
|
||||
print_timeout (timeout, offset);
|
||||
|
||||
while (1)
|
||||
{
|
||||
int c;
|
||||
timeout = grub_menu_get_timeout ();
|
||||
|
||||
if (timeout > 0)
|
||||
{
|
||||
grub_uint64_t current_time;
|
||||
|
||||
current_time = grub_get_time_ms ();
|
||||
if (current_time - saved_time >= 1000)
|
||||
{
|
||||
timeout--;
|
||||
grub_menu_set_timeout (timeout);
|
||||
saved_time = current_time;
|
||||
print_timeout (timeout, offset);
|
||||
}
|
||||
}
|
||||
|
||||
if (timeout == 0)
|
||||
{
|
||||
grub_env_unset ("timeout");
|
||||
*auto_boot = 1;
|
||||
return default_entry;
|
||||
}
|
||||
|
||||
if (grub_checkkey () >= 0 || timeout < 0)
|
||||
{
|
||||
c = GRUB_TERM_ASCII_CHAR (grub_getkey ());
|
||||
|
||||
if (timeout >= 0)
|
||||
{
|
||||
grub_gotoxy (0, GRUB_TERM_HEIGHT - 3);
|
||||
print_spaces (GRUB_TERM_WIDTH - 1);
|
||||
|
||||
grub_env_unset ("timeout");
|
||||
grub_env_unset ("fallback");
|
||||
grub_gotoxy (GRUB_TERM_CURSOR_X, GRUB_TERM_FIRST_ENTRY_Y + offset);
|
||||
}
|
||||
|
||||
switch (c)
|
||||
{
|
||||
case GRUB_TERM_HOME:
|
||||
first = 0;
|
||||
offset = 0;
|
||||
print_entries (menu, first, offset);
|
||||
break;
|
||||
|
||||
case GRUB_TERM_END:
|
||||
offset = menu->size - 1;
|
||||
if (offset > GRUB_TERM_NUM_ENTRIES - 1)
|
||||
{
|
||||
first = offset - (GRUB_TERM_NUM_ENTRIES - 1);
|
||||
offset = GRUB_TERM_NUM_ENTRIES - 1;
|
||||
}
|
||||
print_entries (menu, first, offset);
|
||||
break;
|
||||
|
||||
case GRUB_TERM_UP:
|
||||
case '^':
|
||||
if (offset > 0)
|
||||
{
|
||||
print_entry (GRUB_TERM_FIRST_ENTRY_Y + offset, 0,
|
||||
grub_menu_get_entry (menu, first + offset));
|
||||
offset--;
|
||||
print_entry (GRUB_TERM_FIRST_ENTRY_Y + offset, 1,
|
||||
grub_menu_get_entry (menu, first + offset));
|
||||
}
|
||||
else if (first > 0)
|
||||
{
|
||||
first--;
|
||||
print_entries (menu, first, offset);
|
||||
}
|
||||
break;
|
||||
|
||||
case GRUB_TERM_DOWN:
|
||||
case 'v':
|
||||
if (menu->size > first + offset + 1)
|
||||
{
|
||||
if (offset < GRUB_TERM_NUM_ENTRIES - 1)
|
||||
{
|
||||
print_entry (GRUB_TERM_FIRST_ENTRY_Y + offset, 0,
|
||||
grub_menu_get_entry (menu, first + offset));
|
||||
offset++;
|
||||
print_entry (GRUB_TERM_FIRST_ENTRY_Y + offset, 1,
|
||||
grub_menu_get_entry (menu, first + offset));
|
||||
}
|
||||
else
|
||||
{
|
||||
first++;
|
||||
print_entries (menu, first, offset);
|
||||
}
|
||||
}
|
||||
break;
|
||||
|
||||
case GRUB_TERM_PPAGE:
|
||||
if (first == 0)
|
||||
{
|
||||
offset = 0;
|
||||
}
|
||||
else
|
||||
{
|
||||
first -= GRUB_TERM_NUM_ENTRIES;
|
||||
|
||||
if (first < 0)
|
||||
{
|
||||
offset += first;
|
||||
first = 0;
|
||||
}
|
||||
}
|
||||
print_entries (menu, first, offset);
|
||||
break;
|
||||
|
||||
case GRUB_TERM_NPAGE:
|
||||
if (offset == 0)
|
||||
{
|
||||
offset += GRUB_TERM_NUM_ENTRIES - 1;
|
||||
if (first + offset >= menu->size)
|
||||
{
|
||||
offset = menu->size - first - 1;
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
first += GRUB_TERM_NUM_ENTRIES;
|
||||
|
||||
if (first + offset >= menu->size)
|
||||
{
|
||||
first -= GRUB_TERM_NUM_ENTRIES;
|
||||
offset += GRUB_TERM_NUM_ENTRIES;
|
||||
|
||||
if (offset > menu->size - 1 ||
|
||||
offset > GRUB_TERM_NUM_ENTRIES - 1)
|
||||
{
|
||||
offset = menu->size - first - 1;
|
||||
}
|
||||
if (offset > GRUB_TERM_NUM_ENTRIES)
|
||||
{
|
||||
first += offset - GRUB_TERM_NUM_ENTRIES + 1;
|
||||
offset = GRUB_TERM_NUM_ENTRIES - 1;
|
||||
}
|
||||
}
|
||||
}
|
||||
print_entries (menu, first, offset);
|
||||
break;
|
||||
|
||||
case '\n':
|
||||
case '\r':
|
||||
case 6:
|
||||
grub_setcursor (1);
|
||||
*auto_boot = 0;
|
||||
return first + offset;
|
||||
|
||||
case '\e':
|
||||
if (nested)
|
||||
{
|
||||
grub_setcursor (1);
|
||||
return -1;
|
||||
}
|
||||
break;
|
||||
|
||||
case 'c':
|
||||
grub_cmdline_run (1);
|
||||
goto refresh;
|
||||
|
||||
case 'e':
|
||||
{
|
||||
grub_menu_entry_t e = grub_menu_get_entry (menu, first + offset);
|
||||
if (e)
|
||||
grub_menu_entry_run (e);
|
||||
}
|
||||
goto refresh;
|
||||
|
||||
default:
|
||||
break;
|
||||
}
|
||||
|
||||
grub_refresh ();
|
||||
}
|
||||
}
|
||||
|
||||
/* Never reach here. */
|
||||
return -1;
|
||||
}
|
||||
|
||||
/* Callback invoked immediately before a menu entry is executed. */
|
||||
static void
|
||||
notify_booting (grub_menu_entry_t entry,
|
||||
void *userdata __attribute__((unused)))
|
||||
{
|
||||
grub_printf (" ");
|
||||
grub_printf_ (N_("Booting \'%s\'"), entry->title);
|
||||
grub_printf ("\n\n");
|
||||
}
|
||||
|
||||
/* Callback invoked when a default menu entry executed because of a timeout
|
||||
has failed and an attempt will be made to execute the next fallback
|
||||
entry, ENTRY. */
|
||||
static void
|
||||
notify_fallback (grub_menu_entry_t entry,
|
||||
void *userdata __attribute__((unused)))
|
||||
{
|
||||
grub_printf ("\n ");
|
||||
grub_printf_ (N_("Falling back to \'%s\'"), entry->title);
|
||||
grub_printf ("\n\n");
|
||||
grub_millisleep (DEFAULT_ENTRY_ERROR_DELAY_MS);
|
||||
}
|
||||
|
||||
/* Callback invoked when a menu entry has failed and there is no remaining
|
||||
fallback entry to attempt. */
|
||||
static void
|
||||
notify_execution_failure (void *userdata __attribute__((unused)))
|
||||
{
|
||||
if (grub_errno != GRUB_ERR_NONE)
|
||||
msg_translated = grub_malloc (sizeof (char) * grub_strlen (msg) + 5);
|
||||
if (!msg_translated)
|
||||
{
|
||||
grub_print_error ();
|
||||
grub_errno = GRUB_ERR_NONE;
|
||||
return;
|
||||
}
|
||||
grub_printf ("\n ");
|
||||
grub_printf_ (N_("Failed to boot default entries.\n"));
|
||||
grub_wait_after_message ();
|
||||
|
||||
grub_sprintf (msg_translated, msg, timeout);
|
||||
grub_print_message_indented (msg_translated, 3, 0, data->term);
|
||||
|
||||
posx = grub_term_getxy (data->term) >> 8;
|
||||
print_spaces (grub_term_width (data->term) - posx - 1, data->term);
|
||||
|
||||
grub_term_gotoxy (data->term,
|
||||
grub_term_cursor_x (data->term),
|
||||
GRUB_TERM_FIRST_ENTRY_Y + data->offset);
|
||||
grub_term_refresh (data->term);
|
||||
}
|
||||
|
||||
/* Callbacks used by the text menu to provide user feedback when menu entries
|
||||
are executed. */
|
||||
static struct grub_menu_execute_callback execution_callback =
|
||||
static void
|
||||
menu_text_set_chosen_entry (int entry, void *dataptr)
|
||||
{
|
||||
.notify_booting = notify_booting,
|
||||
.notify_fallback = notify_fallback,
|
||||
.notify_failure = notify_execution_failure
|
||||
};
|
||||
|
||||
static grub_err_t
|
||||
show_text_menu (grub_menu_t menu, int nested)
|
||||
{
|
||||
while (1)
|
||||
struct menu_viewer_data *data = dataptr;
|
||||
int oldoffset = data->offset;
|
||||
int complete_redraw = 0;
|
||||
data->offset = entry - data->first;
|
||||
if (data->offset > grub_term_num_entries (data->term) - 1)
|
||||
{
|
||||
int boot_entry;
|
||||
grub_menu_entry_t e;
|
||||
int auto_boot;
|
||||
|
||||
boot_entry = run_menu (menu, nested, &auto_boot);
|
||||
if (boot_entry < 0)
|
||||
break;
|
||||
|
||||
e = grub_menu_get_entry (menu, boot_entry);
|
||||
if (! e)
|
||||
continue; /* Menu is empty. */
|
||||
|
||||
grub_cls ();
|
||||
grub_setcursor (1);
|
||||
|
||||
if (auto_boot)
|
||||
{
|
||||
grub_menu_execute_with_fallback (menu, e, &execution_callback, 0);
|
||||
}
|
||||
else
|
||||
{
|
||||
grub_errno = GRUB_ERR_NONE;
|
||||
grub_menu_execute_entry (e);
|
||||
if (grub_errno != GRUB_ERR_NONE)
|
||||
{
|
||||
grub_print_error ();
|
||||
grub_errno = GRUB_ERR_NONE;
|
||||
grub_wait_after_message ();
|
||||
}
|
||||
}
|
||||
data->first = data->offset - (grub_term_num_entries (data->term) - 1);
|
||||
data->offset = grub_term_num_entries (data->term) - 1;
|
||||
complete_redraw = 1;
|
||||
}
|
||||
|
||||
return GRUB_ERR_NONE;
|
||||
if (data->offset < 0)
|
||||
{
|
||||
data->offset = 0;
|
||||
data->first = entry;
|
||||
complete_redraw = 1;
|
||||
}
|
||||
if (complete_redraw)
|
||||
print_entries (data->menu, data->first, data->offset, data->term);
|
||||
else
|
||||
{
|
||||
print_entry (GRUB_TERM_FIRST_ENTRY_Y + oldoffset, 0,
|
||||
grub_menu_get_entry (data->menu, data->first + oldoffset),
|
||||
data->term);
|
||||
print_entry (GRUB_TERM_FIRST_ENTRY_Y + data->offset, 1,
|
||||
grub_menu_get_entry (data->menu, data->first + data->offset),
|
||||
data->term);
|
||||
}
|
||||
grub_term_refresh (data->term);
|
||||
}
|
||||
|
||||
struct grub_menu_viewer grub_normal_text_menu_viewer =
|
||||
static void
|
||||
menu_text_fini (void *dataptr)
|
||||
{
|
||||
.name = "text",
|
||||
.show_menu = show_text_menu
|
||||
};
|
||||
struct menu_viewer_data *data = dataptr;
|
||||
|
||||
grub_term_setcursor (data->term, 1);
|
||||
}
|
||||
|
||||
static void
|
||||
menu_text_clear_timeout (void *dataptr)
|
||||
{
|
||||
struct menu_viewer_data *data = dataptr;
|
||||
|
||||
grub_term_gotoxy (data->term, 0, grub_term_height (data->term) - 3);
|
||||
print_spaces (grub_term_width (data->term) - 1, data->term);
|
||||
grub_term_gotoxy (data->term, grub_term_cursor_x (data->term),
|
||||
GRUB_TERM_FIRST_ENTRY_Y + data->offset);
|
||||
grub_term_refresh (data->term);
|
||||
}
|
||||
|
||||
void
|
||||
grub_menu_text_register_instances (int entry, grub_menu_t menu, int nested)
|
||||
{
|
||||
struct menu_viewer_data *data;
|
||||
struct grub_menu_viewer *instance;
|
||||
struct grub_term_output *term;
|
||||
|
||||
for (term = grub_term_outputs; term; term = term->next)
|
||||
{
|
||||
if (!grub_term_is_active (term))
|
||||
continue;
|
||||
instance = grub_zalloc (sizeof (*instance));
|
||||
if (!instance)
|
||||
{
|
||||
grub_print_error ();
|
||||
grub_errno = GRUB_ERR_NONE;
|
||||
continue;
|
||||
}
|
||||
data = grub_zalloc (sizeof (*data));
|
||||
if (!data)
|
||||
{
|
||||
grub_free (instance);
|
||||
grub_print_error ();
|
||||
grub_errno = GRUB_ERR_NONE;
|
||||
continue;
|
||||
}
|
||||
data->term = term;
|
||||
instance->data = data;
|
||||
instance->set_chosen_entry = menu_text_set_chosen_entry;
|
||||
instance->print_timeout = menu_text_print_timeout;
|
||||
instance->clear_timeout = menu_text_clear_timeout;
|
||||
instance->fini = menu_text_fini;
|
||||
|
||||
data->menu = menu;
|
||||
|
||||
data->offset = entry;
|
||||
data->first = 0;
|
||||
if (data->offset > grub_term_num_entries (data->term) - 1)
|
||||
{
|
||||
data->first = data->offset - (grub_term_num_entries (data->term) - 1);
|
||||
data->offset = grub_term_num_entries (data->term) - 1;
|
||||
}
|
||||
|
||||
grub_term_setcursor (data->term, 0);
|
||||
grub_menu_init_page (nested, 0, data->term);
|
||||
print_entries (menu, data->first, data->offset, data->term);
|
||||
grub_term_refresh (data->term);
|
||||
}
|
||||
}
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue