/* Initialize the screen. */ void grub_normal_init_page (struct grub_term_output *term) { int msg_len; int posx; const char *msg = _("GNU GRUB version %s"); char *msg_formatted; grub_uint32_t *unicode_msg; grub_uint32_t *last_position; grub_term_cls (term); msg_formatted = grub_xasprintf (msg, PACKAGE_VERSION); if (!msg_formatted) return; msg_len = grub_utf8_to_ucs4_alloc (msg_formatted, &unicode_msg, &last_position); grub_free (msg_formatted); if (msg_len < 0) { return; } posx = grub_getstringwidth (unicode_msg, last_position, term); posx = (grub_term_width (term) - posx) / 2; grub_term_gotoxy (term, posx, 1); grub_print_ucs4 (unicode_msg, last_position, 0, 0, term); grub_putcode ('\n', term); grub_putcode ('\n', term); grub_free (unicode_msg); }
static int grub_print_message_indented_real (const char *msg, int margin_left, int margin_right, struct grub_term_output *term, int dry_run) { grub_uint32_t *unicode_msg; grub_uint32_t *last_position; int msg_len; int ret = 0; msg_len = grub_utf8_to_ucs4_alloc (msg, &unicode_msg, &last_position); if (msg_len < 0) { return 0; } if (dry_run) ret = grub_ucs4_count_lines (unicode_msg, last_position, margin_left, margin_right, term); else grub_print_ucs4 (unicode_msg, last_position, margin_left, margin_right, term); grub_free (unicode_msg); return ret; }
static grub_err_t grub_cmd_help (grub_extcmd_t ext __attribute__ ((unused)), int argc, char **args) { int cnt = 0; char *currarg; auto int print_command_info (grub_command_t cmd); auto int print_command_help (grub_command_t cmd); int print_command_info (grub_command_t cmd) { if ((cmd->prio & GRUB_PRIO_LIST_FLAG_ACTIVE) && (cmd->flags & GRUB_COMMAND_FLAG_CMDLINE)) { struct grub_term_output *term; const char *summary_translated = _(cmd->summary); char *command_help; grub_uint32_t *unicode_command_help; grub_uint32_t *unicode_last_position; command_help = grub_xasprintf ("%s %s", cmd->name, summary_translated); if (!command_help) return 1; grub_utf8_to_ucs4_alloc (command_help, &unicode_command_help, &unicode_last_position); FOR_ACTIVE_TERM_OUTPUTS(term) { unsigned stringwidth; grub_uint32_t *unicode_last_screen_position; unicode_last_screen_position = unicode_command_help; stringwidth = 0; while (unicode_last_screen_position < unicode_last_position && stringwidth < ((grub_term_width (term) / 2) - 2)) { stringwidth += grub_term_getcharwidth (term, *unicode_last_screen_position); unicode_last_screen_position++; } grub_print_ucs4 (unicode_command_help, unicode_last_screen_position, term); if (!(cnt % 2)) grub_print_spaces (term, grub_term_width (term) / 2 - stringwidth); } if (cnt % 2) grub_printf ("\n"); cnt++; grub_free (command_help); grub_free (unicode_command_help); } return 0; } int print_command_help (grub_command_t cmd) { if (cmd->prio & GRUB_PRIO_LIST_FLAG_ACTIVE) { if (! grub_strncmp (cmd->name, currarg, grub_strlen (currarg))) { if (cnt++ > 0) grub_printf ("\n\n"); if (cmd->flags & GRUB_COMMAND_FLAG_EXTCMD) grub_arg_show_help ((grub_extcmd_t) cmd->data); else grub_printf ("%s %s %s\n%s\b", _("Usage:"), cmd->name, _(cmd->summary), _(cmd->description)); } } return 0; } if (argc == 0) { grub_command_iterate (print_command_info); if (!(cnt % 2)) grub_printf ("\n"); } else { int i; for (i = 0; i < argc; i++) { currarg = args[i]; grub_command_iterate (print_command_help); } } return 0; }
static grub_err_t grub_cmd_help (grub_extcmd_t ext __attribute__ ((unused)), int argc, char **args) { int cnt = 0; char *currarg; if (argc == 0) { grub_command_t cmd; FOR_COMMANDS(cmd) { if ((cmd->prio & GRUB_PRIO_LIST_FLAG_ACTIVE) && (cmd->flags & GRUB_COMMAND_FLAG_CMDLINE)) { struct grub_term_output *term; const char *summary_translated = _(cmd->summary); char *command_help; grub_uint32_t *unicode_command_help; grub_uint32_t *unicode_last_position; command_help = grub_xasprintf ("%s %s", cmd->name, summary_translated); if (!command_help) break; grub_utf8_to_ucs4_alloc (command_help, &unicode_command_help, &unicode_last_position); FOR_ACTIVE_TERM_OUTPUTS(term) { unsigned stringwidth; grub_uint32_t *unicode_last_screen_position; unicode_last_screen_position = unicode_command_help; stringwidth = 0; while (unicode_last_screen_position < unicode_last_position && stringwidth < ((grub_term_width (term) / 2) - 2)) { struct grub_unicode_glyph glyph; unicode_last_screen_position += grub_unicode_aglomerate_comb (unicode_last_screen_position, unicode_last_position - unicode_last_screen_position, &glyph); stringwidth += grub_term_getcharwidth (term, &glyph); } grub_print_ucs4 (unicode_command_help, unicode_last_screen_position, 0, 0, term); if (!(cnt % 2)) grub_print_spaces (term, grub_term_width (term) / 2 - stringwidth); } if (cnt % 2) grub_printf ("\n"); cnt++; grub_free (command_help); grub_free (unicode_command_help); } } if (!(cnt % 2)) grub_printf ("\n"); }