LXR coreboot/payloads/bayou/menu.c

   1/*
   2 * This file is part of the bayou project.
   3 *
   4 * Copyright (C) 2008 Advanced Micro Devices, Inc.
   5 *
   6 * This program is free software; you can redistribute it and/or modify
   7 * it under the terms of the GNU General Public License version 2 as
   8 * published by the Free Software Foundation.
   9 *
  10 * This program is distributed in the hope that it will be useful,
  11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13 * GNU General Public License for more details.
  14 *
  15 * You should have received a copy of the GNU General Public License
  16 * along with this program; if not, write to the Free Software
  17 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
  18 */
  19
  20#include <libpayload.h>
  21#include <curses.h>
  22#include "bayou.h"
  23
  24#define SCREEN_X 80
  25#define SCREEN_Y 25
  26
  27static int menu_width = 0;
  28static struct payload *mpayloads[BAYOU_MAX_ENTRIES];
  29static int m_entries = 0;
  30static unsigned int selected = 0;
  31static WINDOW *menuwin, *status;
  32
  33void create_menu(void)
  34{
  35        int i;
  36
  37        for (i = 0; i < bayoucfg.n_entries; i++) {
  38                struct payload *p = &(bayoucfg.entries[i]);
  39                char *name;
  40
  41                if ((p->pentry.parent != 0) ||
  42                    (p->pentry.flags & BPT_FLAG_NOSHOW))
  43                        continue;
  44
  45                mpayloads[m_entries++] = p;
  46
  47                name = payload_get_name(p);
  48
  49                if (strlen(name) > menu_width)
  50                        menu_width = strlen(name);
  51        }
  52
  53        menu_width += 4;
  54
  55        if (menu_width < 30)
  56                menu_width = 30;
  57
  58        menuwin = newwin(m_entries + 3, menu_width,
  59                         (SCREEN_Y - (m_entries + 3)) / 2,
  60                         (SCREEN_X - menu_width) / 2);
  61}
  62
  63void draw_menu(void)
  64{
  65        struct payload *s;
  66        int i;
  67
  68        wattrset(menuwin, COLOR_PAIR(3));
  69        wclear(menuwin);
  70        wborder(menuwin, ACS_VLINE, ACS_VLINE, ACS_HLINE, ACS_HLINE,
  71                ACS_ULCORNER, ACS_URCORNER, ACS_LLCORNER, ACS_LRCORNER);
  72
  73        wattrset(menuwin, COLOR_PAIR(4) | A_BOLD);
  74        mvwprintw(menuwin, 0, (menu_width - 17) / 2, " Payload Chooser ");
  75
  76        wattrset(menuwin, COLOR_PAIR(3));
  77
  78        for (i = 0; i < m_entries; i++) {
  79                char *name = payload_get_name(mpayloads[i]);
  80                int col = (menu_width - (2 + strlen(name))) / 2;
  81
  82                if (i == selected)
  83                        wattrset(menuwin, COLOR_PAIR(5) | A_BOLD);
  84                else
  85                        wattrset(menuwin, COLOR_PAIR(3));
  86
  87                mvwprintw(menuwin, 2 + i, col, name);
  88        }
  89
  90        s = mpayloads[selected];
  91
  92        wclear(status);
  93
  94        if (s->params[BAYOU_PARAM_DESC] != NULL) {
  95                char buf[66];
  96                int len = strnlen(s->params[BAYOU_PARAM_DESC], 65);
  97
  98                snprintf(buf, 65, s->params[BAYOU_PARAM_DESC]);
  99                buf[65] = 0;
 100
 101                mvwprintw(status, 0, (80 - len) / 2, buf);
 102        }
 103
 104        wrefresh(menuwin);
 105        wrefresh(status);
 106}
 107
 108void loop(void)
 109{
 110        int key;
 111
 112        while (1) {
 113                key = getch();
 114
 115                if (key == ERR)
 116                        continue;
 117
 118                if (key == KEY_DOWN)
 119                        selected = (selected + 1) % m_entries;
 120                else if (key == KEY_UP)
 121                        selected = (selected - 1) % m_entries;
 122                else if (key == KEY_ENTER) {
 123                        run_payload(mpayloads[selected]);
 124                        clear();
 125                        refresh();
 126                } else
 127                        continue;
 128
 129                draw_menu();
 130        }
 131}
 132
 133void menu(void)
 134{
 135        initscr();
 136
 137        init_pair(1, COLOR_WHITE, COLOR_RED);
 138        init_pair(2, COLOR_BLACK, COLOR_WHITE);
 139        init_pair(3, COLOR_BLACK, COLOR_WHITE);
 140        init_pair(4, COLOR_CYAN, COLOR_WHITE);
 141        init_pair(5, COLOR_WHITE, COLOR_RED);
 142
 143        wattrset(stdscr, COLOR_PAIR(1));
 144        wclear(stdscr);
 145
 146        status = newwin(1, 80, 24, 0);
 147        wattrset(status, COLOR_PAIR(2));
 148        wclear(status);
 149
 150        refresh();
 151
 152        create_menu();
 153        draw_menu();
 154
 155        loop();
 156}
 157