Merge mainline into keylayouts
This commit is contained in:
Vladimir 'phcoder' Serbinenko
commit
5aaf2c18bd
616 changed files with 13408 additions and 7359 deletions
621
grub-core/term/terminfo.c
Normal file
621
grub-core/term/terminfo.c
Normal file
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@ -0,0 +1,621 @@
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/* terminfo.c - simple terminfo module */
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/*
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* GRUB -- GRand Unified Bootloader
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* Copyright (C) 2003,2004,2005,2007 Free Software Foundation, Inc.
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*
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* GRUB is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* GRUB is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with GRUB. If not, see <http://www.gnu.org/licenses/>.
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*/
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/*
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* This file contains various functions dealing with different
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* terminal capabilities. For example, vt52 and vt100.
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*/
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#include <grub/types.h>
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#include <grub/misc.h>
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#include <grub/mm.h>
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#include <grub/err.h>
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#include <grub/dl.h>
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#include <grub/term.h>
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#include <grub/terminfo.h>
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#include <grub/tparm.h>
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#include <grub/command.h>
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#include <grub/i18n.h>
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#include <grub/time.h>
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static struct grub_term_output *terminfo_outputs;
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/* Get current terminfo name. */
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char *
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grub_terminfo_get_current (struct grub_term_output *term)
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{
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struct grub_terminfo_output_state *data
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= (struct grub_terminfo_output_state *) term->data;
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return data->name;
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}
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/* Free *PTR and set *PTR to NULL, to prevent double-free. */
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static void
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grub_terminfo_free (char **ptr)
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{
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grub_free (*ptr);
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*ptr = 0;
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}
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static void
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grub_terminfo_all_free (struct grub_term_output *term)
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{
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struct grub_terminfo_output_state *data
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= (struct grub_terminfo_output_state *) term->data;
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/* Free previously allocated memory. */
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grub_terminfo_free (&data->name);
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grub_terminfo_free (&data->gotoxy);
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grub_terminfo_free (&data->cls);
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grub_terminfo_free (&data->reverse_video_on);
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grub_terminfo_free (&data->reverse_video_off);
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grub_terminfo_free (&data->cursor_on);
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grub_terminfo_free (&data->cursor_off);
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}
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/* Set current terminfo type. */
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grub_err_t
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grub_terminfo_set_current (struct grub_term_output *term,
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const char *str)
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{
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struct grub_terminfo_output_state *data
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= (struct grub_terminfo_output_state *) term->data;
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/* TODO
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* Lookup user specified terminfo type. If found, set term variables
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* as appropriate. Otherwise return an error.
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*
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* How should this be done?
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* a. A static table included in this module.
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* - I do not like this idea.
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* b. A table stored in the configuration directory.
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* - Users must convert their terminfo settings if we have not already.
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* c. Look for terminfo files in the configuration directory.
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* - /usr/share/terminfo is 6.3M on my system.
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* - /usr/share/terminfo is not on most users boot partition.
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* + Copying the terminfo files you want to use to the grub
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* configuration directory is easier then (b).
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* d. Your idea here.
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*/
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grub_terminfo_all_free (term);
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if (grub_strcmp ("vt100", str) == 0)
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{
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data->name = grub_strdup ("vt100");
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data->gotoxy = grub_strdup ("\e[%i%p1%d;%p2%dH");
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data->cls = grub_strdup ("\e[H\e[J");
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data->reverse_video_on = grub_strdup ("\e[7m");
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data->reverse_video_off = grub_strdup ("\e[m");
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data->cursor_on = grub_strdup ("\e[?25h");
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data->cursor_off = grub_strdup ("\e[?25l");
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data->setcolor = NULL;
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return grub_errno;
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}
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if (grub_strcmp ("vt100-color", str) == 0)
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{
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data->name = grub_strdup ("vt100-color");
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data->gotoxy = grub_strdup ("\e[%i%p1%d;%p2%dH");
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data->cls = grub_strdup ("\e[H\e[J");
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data->reverse_video_on = grub_strdup ("\e[7m");
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data->reverse_video_off = grub_strdup ("\e[m");
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data->cursor_on = grub_strdup ("\e[?25h");
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data->cursor_off = grub_strdup ("\e[?25l");
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data->setcolor = grub_strdup ("\e[3%p1%dm\e[4%p2%dm");
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return grub_errno;
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}
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if (grub_strcmp ("ieee1275", str) == 0)
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{
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data->name = grub_strdup ("ieee1275");
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data->gotoxy = grub_strdup ("\e[%i%p1%d;%p2%dH");
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/* Clear the screen. Using serial console, screen(1) only recognizes the
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* ANSI escape sequence. Using video console, Apple Open Firmware
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* (version 3.1.1) only recognizes the literal ^L. So use both. */
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data->cls = grub_strdup (" \e[2J");
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data->reverse_video_on = grub_strdup ("\e[7m");
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data->reverse_video_off = grub_strdup ("\e[m");
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data->cursor_on = grub_strdup ("\e[?25h");
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data->cursor_off = grub_strdup ("\e[?25l");
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data->setcolor = grub_strdup ("\e[3%p1%dm\e[4%p2%dm");
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return grub_errno;
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}
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if (grub_strcmp ("dumb", str) == 0)
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{
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data->name = grub_strdup ("dumb");
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data->gotoxy = NULL;
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data->cls = NULL;
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data->reverse_video_on = NULL;
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data->reverse_video_off = NULL;
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data->cursor_on = NULL;
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data->cursor_off = NULL;
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data->setcolor = NULL;
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return grub_errno;
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}
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return grub_error (GRUB_ERR_BAD_ARGUMENT, "unknown terminfo type");
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}
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grub_err_t
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grub_terminfo_output_register (struct grub_term_output *term,
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const char *type)
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{
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grub_err_t err;
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struct grub_terminfo_output_state *data;
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err = grub_terminfo_set_current (term, type);
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if (err)
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return err;
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data = (struct grub_terminfo_output_state *) term->data;
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data->next = terminfo_outputs;
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terminfo_outputs = term;
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return GRUB_ERR_NONE;
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}
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grub_err_t
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grub_terminfo_output_unregister (struct grub_term_output *term)
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{
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struct grub_term_output **ptr;
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for (ptr = &terminfo_outputs; *ptr;
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ptr = &((struct grub_terminfo_output_state *) (*ptr)->data)->next)
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if (*ptr == term)
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{
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grub_terminfo_all_free (term);
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*ptr = ((struct grub_terminfo_output_state *) (*ptr)->data)->next;
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return GRUB_ERR_NONE;
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}
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return grub_error (GRUB_ERR_BAD_ARGUMENT, "terminal not found");
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}
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/* Wrapper for grub_putchar to write strings. */
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static void
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putstr (struct grub_term_output *term, const char *str)
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{
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struct grub_terminfo_output_state *data
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= (struct grub_terminfo_output_state *) term->data;
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while (*str)
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data->put (term, *str++);
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}
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grub_uint16_t
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grub_terminfo_getxy (struct grub_term_output *term)
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{
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struct grub_terminfo_output_state *data
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= (struct grub_terminfo_output_state *) term->data;
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return ((data->xpos << 8) | data->ypos);
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}
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void
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grub_terminfo_gotoxy (struct grub_term_output *term,
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grub_uint8_t x, grub_uint8_t y)
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{
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struct grub_terminfo_output_state *data
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= (struct grub_terminfo_output_state *) term->data;
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if (x > grub_term_width (term) || y > grub_term_height (term))
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{
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grub_error (GRUB_ERR_OUT_OF_RANGE, "invalid point (%u,%u)", x, y);
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return;
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}
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if (data->gotoxy)
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putstr (term, grub_terminfo_tparm (data->gotoxy, y, x));
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else
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{
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if ((y == data->ypos) && (x == data->xpos - 1))
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data->put (term, '\b');
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}
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data->xpos = x;
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data->ypos = y;
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}
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/* Clear the screen. */
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void
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grub_terminfo_cls (struct grub_term_output *term)
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{
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struct grub_terminfo_output_state *data
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= (struct grub_terminfo_output_state *) term->data;
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putstr (term, grub_terminfo_tparm (data->cls));
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data->xpos = data->ypos = 0;
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}
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void
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grub_terminfo_setcolorstate (struct grub_term_output *term,
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const grub_term_color_state state)
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{
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struct grub_terminfo_output_state *data
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= (struct grub_terminfo_output_state *) term->data;
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if (data->setcolor)
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{
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int fg;
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int bg;
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/* Map from VGA to terminal colors. */
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const int colormap[8]
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= { 0, /* Black. */
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4, /* Blue. */
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2, /* Green. */
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6, /* Cyan. */
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1, /* Red. */
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5, /* Magenta. */
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3, /* Yellow. */
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7, /* White. */
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};
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switch (state)
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{
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case GRUB_TERM_COLOR_STANDARD:
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case GRUB_TERM_COLOR_NORMAL:
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fg = term->normal_color & 0x0f;
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bg = term->normal_color >> 4;
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break;
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case GRUB_TERM_COLOR_HIGHLIGHT:
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fg = term->highlight_color & 0x0f;
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bg = term->highlight_color >> 4;
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break;
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default:
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return;
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}
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putstr (term, grub_terminfo_tparm (data->setcolor, colormap[fg & 7],
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colormap[bg & 7]));
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return;
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}
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switch (state)
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{
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case GRUB_TERM_COLOR_STANDARD:
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case GRUB_TERM_COLOR_NORMAL:
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putstr (term, grub_terminfo_tparm (data->reverse_video_off));
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break;
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case GRUB_TERM_COLOR_HIGHLIGHT:
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putstr (term, grub_terminfo_tparm (data->reverse_video_on));
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break;
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default:
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break;
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}
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}
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void
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grub_terminfo_setcursor (struct grub_term_output *term, const int on)
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{
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struct grub_terminfo_output_state *data
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= (struct grub_terminfo_output_state *) term->data;
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if (on)
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putstr (term, grub_terminfo_tparm (data->cursor_on));
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else
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putstr (term, grub_terminfo_tparm (data->cursor_off));
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}
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/* The terminfo version of putchar. */
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void
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grub_terminfo_putchar (struct grub_term_output *term,
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const struct grub_unicode_glyph *c)
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{
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struct grub_terminfo_output_state *data
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= (struct grub_terminfo_output_state *) term->data;
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/* Keep track of the cursor. */
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switch (c->base)
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{
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case '\a':
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break;
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case '\b':
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case 127:
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if (data->xpos > 0)
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data->xpos--;
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break;
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case '\n':
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if (data->ypos < grub_term_height (term) - 1)
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data->ypos++;
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break;
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case '\r':
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data->xpos = 0;
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break;
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||||
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default:
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if (data->xpos + c->estimated_width >= grub_term_width (term) + 1)
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{
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data->xpos = 0;
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if (data->ypos < grub_term_height (term) - 1)
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data->ypos++;
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data->put (term, '\r');
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data->put (term, '\n');
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}
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data->xpos += c->estimated_width;
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break;
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}
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data->put (term, c->base);
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}
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#define ANSI_C0 0x9b
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static void
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grub_terminfo_readkey (struct grub_term_input *term, int *keys, int *len,
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int (*readkey) (struct grub_term_input *term))
|
||||
{
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||||
int c;
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||||
|
||||
#define CONTINUE_READ \
|
||||
{ \
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||||
grub_uint64_t start; \
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/* On 9600 we have to wait up to 12 milliseconds. */ \
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||||
start = grub_get_time_ms (); \
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||||
do \
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||||
c = readkey (term); \
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||||
while (c == -1 && grub_get_time_ms () - start < 12); \
|
||||
if (c == -1) \
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return; \
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||||
\
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||||
keys[*len] = c; \
|
||||
(*len)++; \
|
||||
}
|
||||
|
||||
c = readkey (term);
|
||||
if (c < 0)
|
||||
{
|
||||
*len = 0;
|
||||
return;
|
||||
}
|
||||
*len = 1;
|
||||
keys[0] = c;
|
||||
if (c != ANSI_C0 && c != '\e')
|
||||
{
|
||||
/* Backspace: Ctrl-h. */
|
||||
if (c == 0x7f)
|
||||
c = '\b';
|
||||
*len = 1;
|
||||
keys[0] = c;
|
||||
return;
|
||||
}
|
||||
|
||||
{
|
||||
static struct
|
||||
{
|
||||
char key;
|
||||
unsigned ascii;
|
||||
}
|
||||
three_code_table[] =
|
||||
{
|
||||
{'4', GRUB_TERM_KEY_DC},
|
||||
{'A', GRUB_TERM_KEY_UP},
|
||||
{'B', GRUB_TERM_KEY_DOWN},
|
||||
{'C', GRUB_TERM_KEY_RIGHT},
|
||||
{'D', GRUB_TERM_KEY_LEFT},
|
||||
{'F', GRUB_TERM_KEY_END},
|
||||
{'H', GRUB_TERM_KEY_HOME},
|
||||
{'K', GRUB_TERM_KEY_END},
|
||||
{'P', GRUB_TERM_KEY_DC},
|
||||
{'?', GRUB_TERM_KEY_PPAGE},
|
||||
{'/', GRUB_TERM_KEY_NPAGE}
|
||||
};
|
||||
|
||||
static struct
|
||||
{
|
||||
char key;
|
||||
unsigned ascii;
|
||||
}
|
||||
four_code_table[] =
|
||||
{
|
||||
{'1', GRUB_TERM_KEY_HOME},
|
||||
{'3', GRUB_TERM_KEY_DC},
|
||||
{'5', GRUB_TERM_KEY_PPAGE},
|
||||
{'6', GRUB_TERM_KEY_NPAGE}
|
||||
};
|
||||
unsigned i;
|
||||
|
||||
if (c == '\e')
|
||||
{
|
||||
CONTINUE_READ;
|
||||
|
||||
if (c != '[')
|
||||
return;
|
||||
}
|
||||
|
||||
CONTINUE_READ;
|
||||
|
||||
for (i = 0; i < ARRAY_SIZE (three_code_table); i++)
|
||||
if (three_code_table[i].key == c)
|
||||
{
|
||||
keys[0] = three_code_table[i].ascii;
|
||||
*len = 1;
|
||||
return;
|
||||
}
|
||||
|
||||
for (i = 0; i < ARRAY_SIZE (four_code_table); i++)
|
||||
if (four_code_table[i].key == c)
|
||||
{
|
||||
CONTINUE_READ;
|
||||
if (c != '~')
|
||||
return;
|
||||
keys[0] = three_code_table[i].ascii;
|
||||
*len = 1;
|
||||
return;
|
||||
}
|
||||
return;
|
||||
}
|
||||
#undef CONTINUE_READ
|
||||
}
|
||||
|
||||
/* The terminfo version of getkey. */
|
||||
int
|
||||
grub_terminfo_getkey (struct grub_term_input *termi)
|
||||
{
|
||||
struct grub_terminfo_input_state *data
|
||||
= (struct grub_terminfo_input_state *) (termi->data);
|
||||
if (data->npending)
|
||||
{
|
||||
data->npending--;
|
||||
grub_memmove (data->input_buf, data->input_buf + 1, data->npending);
|
||||
return data->input_buf[0];
|
||||
}
|
||||
|
||||
grub_terminfo_readkey (termi, data->input_buf,
|
||||
&data->npending, data->readkey);
|
||||
|
||||
if (data->npending)
|
||||
{
|
||||
data->npending--;
|
||||
grub_memmove (data->input_buf, data->input_buf + 1, data->npending);
|
||||
return data->input_buf[0];
|
||||
}
|
||||
|
||||
return GRUB_TERM_NO_KEY;
|
||||
}
|
||||
|
||||
grub_err_t
|
||||
grub_terminfo_input_init (struct grub_term_input *termi)
|
||||
{
|
||||
struct grub_terminfo_input_state *data
|
||||
= (struct grub_terminfo_input_state *) (termi->data);
|
||||
data->npending = 0;
|
||||
|
||||
return GRUB_ERR_NONE;
|
||||
}
|
||||
|
||||
/* GRUB Command. */
|
||||
|
||||
static grub_err_t
|
||||
print_terminfo (void)
|
||||
{
|
||||
const char *encoding_names[(GRUB_TERM_CODE_TYPE_MASK
|
||||
>> GRUB_TERM_CODE_TYPE_SHIFT) + 1]
|
||||
= {
|
||||
/* VGA and glyph descriptor types are just for completeness,
|
||||
they are not used on terminfo terminals.
|
||||
*/
|
||||
[GRUB_TERM_CODE_TYPE_ASCII >> GRUB_TERM_CODE_TYPE_SHIFT] = _("ASCII"),
|
||||
[GRUB_TERM_CODE_TYPE_CP437 >> GRUB_TERM_CODE_TYPE_SHIFT] = "CP-437",
|
||||
[GRUB_TERM_CODE_TYPE_UTF8_LOGICAL >> GRUB_TERM_CODE_TYPE_SHIFT]
|
||||
= _("UTF-8"),
|
||||
[GRUB_TERM_CODE_TYPE_UTF8_VISUAL >> GRUB_TERM_CODE_TYPE_SHIFT]
|
||||
= _("UTF-8 visual"),
|
||||
[GRUB_TERM_CODE_TYPE_VISUAL_GLYPHS >> GRUB_TERM_CODE_TYPE_SHIFT]
|
||||
= "Glyph descriptors",
|
||||
_("Unknown"), _("Unknown"), _("Unknown")
|
||||
};
|
||||
struct grub_term_output *cur;
|
||||
|
||||
grub_printf ("Current terminfo types: \n");
|
||||
for (cur = terminfo_outputs; cur;
|
||||
cur = ((struct grub_terminfo_output_state *) cur->data)->next)
|
||||
grub_printf ("%s: %s\t%s\n", cur->name,
|
||||
grub_terminfo_get_current(cur),
|
||||
encoding_names[(cur->flags & GRUB_TERM_CODE_TYPE_MASK)
|
||||
>> GRUB_TERM_CODE_TYPE_SHIFT]);
|
||||
|
||||
return GRUB_ERR_NONE;
|
||||
}
|
||||
|
||||
static grub_err_t
|
||||
grub_cmd_terminfo (grub_command_t cmd __attribute__ ((unused)),
|
||||
int argc, char **args)
|
||||
{
|
||||
struct grub_term_output *cur;
|
||||
int encoding = GRUB_TERM_CODE_TYPE_ASCII;
|
||||
int i;
|
||||
char *name = NULL, *type = NULL;
|
||||
|
||||
if (argc == 0)
|
||||
return print_terminfo ();
|
||||
|
||||
for (i = 0; i < argc; i++)
|
||||
{
|
||||
if (grub_strcmp (args[i], "-a") == 0
|
||||
|| grub_strcmp (args[i], "--ascii") == 0)
|
||||
{
|
||||
encoding = GRUB_TERM_CODE_TYPE_ASCII;
|
||||
continue;
|
||||
}
|
||||
if (grub_strcmp (args[i], "-u") == 0
|
||||
|| grub_strcmp (args[i], "--utf8") == 0)
|
||||
{
|
||||
encoding = GRUB_TERM_CODE_TYPE_UTF8_LOGICAL;
|
||||
continue;
|
||||
}
|
||||
if (grub_strcmp (args[i], "-v") == 0
|
||||
|| grub_strcmp (args[i], "--visual-utf8") == 0)
|
||||
{
|
||||
encoding = GRUB_TERM_CODE_TYPE_UTF8_VISUAL;
|
||||
continue;
|
||||
}
|
||||
if (!name)
|
||||
{
|
||||
name = args[i];
|
||||
continue;
|
||||
}
|
||||
if (!type)
|
||||
{
|
||||
type = args[i];
|
||||
continue;
|
||||
}
|
||||
|
||||
return grub_error (GRUB_ERR_BAD_ARGUMENT, "too many parameters");
|
||||
}
|
||||
|
||||
if (name == NULL)
|
||||
return grub_error (GRUB_ERR_BAD_ARGUMENT, "too few parameters");
|
||||
|
||||
for (cur = terminfo_outputs; cur;
|
||||
cur = ((struct grub_terminfo_output_state *) cur->data)->next)
|
||||
if (grub_strcmp (name, cur->name) == 0)
|
||||
{
|
||||
cur->flags = (cur->flags & ~GRUB_TERM_CODE_TYPE_MASK) | encoding;
|
||||
if (!type)
|
||||
return GRUB_ERR_NONE;
|
||||
|
||||
return grub_terminfo_set_current (cur, type);
|
||||
}
|
||||
return grub_error (GRUB_ERR_BAD_ARGUMENT,
|
||||
"no terminal %s found or it's not handled by terminfo",
|
||||
name);
|
||||
}
|
||||
|
||||
static grub_command_t cmd;
|
||||
|
||||
GRUB_MOD_INIT(terminfo)
|
||||
{
|
||||
cmd = grub_register_command ("terminfo", grub_cmd_terminfo,
|
||||
N_("[[-a|-u|-v] TERM [TYPE]]"),
|
||||
N_("Set terminfo type of TERM to TYPE.\n"
|
||||
"-a, --ascii Terminal is ASCII-only [default].\n"
|
||||
"-u, --utf8 Terminal is logical-ordered UTF-8.\n"
|
||||
"-v, --visual-utf8 Terminal is visually-ordered UTF-8.")
|
||||
|
||||
);
|
||||
}
|
||||
|
||||
GRUB_MOD_FINI(terminfo)
|
||||
{
|
||||
grub_unregister_command (cmd);
|
||||
}
|
||||
Loading…
Add table
Add a link
Reference in a new issue