+++ /dev/null
-/*
- * Copyright (C) 2009 Sony Computer Entertainment Inc.
- * Copyright 2009 Sony Corp.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; version 2 of the License.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- */
-
-#define _GNU_SOURCE
-
-#include <assert.h>
-#include <string.h>
-
-#include "log/log.h"
-#include "talloc/talloc.h"
-#include "nc-ked.h"
-
-static struct ked *ked_from_scr(struct nc_scr *scr)
-{
- struct ked *ked;
-
- assert(scr->sig == pb_ked_sig);
- ked = (struct ked *)((char *)scr - (size_t)&((struct ked *)0)->scr);
- assert(ked->scr.sig == pb_ked_sig);
- return ked;
-}
-
-static struct ked *ked_from_arg(void *arg)
-{
- struct ked *ked = arg;
-
- assert(ked->scr.sig == pb_ked_sig);
- return ked;
-}
-
-/**
- * ked_move_cursor - Move the cursor, setting correct attributes.
- * @req: An ncurses request or char to send to form_driver().
- */
-
-static int ked_move_cursor(struct ked *ked, int req)
-{
- int result;
-
- wchgat(ked->scr.sub_ncw, 1, ked_attr_field_selected, 0, 0);
- result = form_driver(ked->ncf, req);
- wchgat(ked->scr.sub_ncw, 1, ked->attr_cursor, 0, 0);
- wrefresh(ked->scr.main_ncw);
- return result;
-}
-
-/**
- * ked_insert_mode_set - Set the insert mode.
- */
-
-static void ked_insert_mode_set(struct ked *ked, int req)
-{
- switch (req) {
- case REQ_INS_MODE:
- ked->attr_cursor = ked_attr_cursor_ins;
- break;
- case REQ_OVL_MODE:
- ked->attr_cursor = ked_attr_cursor_ovl;
- break;
- default:
- assert(0 && "bad req");
- break;
- }
- ked_move_cursor(ked, req);
-}
-
-/**
- * ked_insert_mode_tog - Toggle the insert mode.
- */
-
-static void ked_insert_mode_tog(struct ked *ked)
-{
- if (ked->attr_cursor == ked_attr_cursor_ins)
- ked_insert_mode_set(ked, REQ_OVL_MODE);
- else
- ked_insert_mode_set(ked, REQ_INS_MODE);
-}
-
-/**
- * ked_move_field - Move selected field, setting correct attributes.
- * @req: An ncurses request to send to form_driver().
- */
-
-static int ked_move_field(struct ked *ked, int req)
-{
- int result;
-
- set_field_back(current_field(ked->ncf), ked_attr_field_normal);
- result = form_driver(ked->ncf, req);
- set_field_back(current_field(ked->ncf), ked_attr_field_selected);
- ked_move_cursor(ked, REQ_END_FIELD);
- return result;
-}
-
-static int ked_post(struct nc_scr *scr)
-{
- struct ked *ked = ked_from_scr(scr);
-
- post_form(ked->ncf);
-
- nc_scr_frame_draw(scr);
- ked_move_field(ked, REQ_FIRST_FIELD);
- ked_move_field(ked, REQ_END_FIELD);
- ked_insert_mode_set(ked, REQ_INS_MODE);
-
- redrawwin(ked->scr.main_ncw);
- wrefresh(ked->scr.main_ncw);
-
- return 0;
-}
-
-static int ked_unpost(struct nc_scr *scr)
-{
- return unpost_form(ked_from_scr(scr)->ncf);
-}
-
-static void ked_resize(struct nc_scr *scr)
-{
- /* FIXME: forms can't be resized, need to recreate here */
- ked_unpost(scr);
- ked_post(scr);
-}
-
-/**
- * ked_chomp - Eat leading and trailing WS.
- */
-
-static char *ked_chomp(char *s)
-{
- char *start;
- char *end;
- char *const s_end = s + strlen(s);
-
- for (; s < s_end; s++)
- if (*s != ' ' && *s != '\t')
- break;
-
- start = end = s;
-
- for (; s < s_end; s++)
- if (*s != ' ' && *s != '\t')
- end = s;
- *(end + 1) = 0;
- return start;
-}
-
-static struct pb_kexec_data *ked_prepare_data(struct ked *ked)
-{
- struct pb_kexec_data *kd;
- char *s;
-
- kd = talloc(ked, struct pb_kexec_data);
-
- if (!kd)
- return NULL;
-
- s = ked_chomp(field_buffer(ked->fields[0], 0));
- kd->image = *s ? talloc_strdup(kd, s) : NULL;
-
- s = ked_chomp(field_buffer(ked->fields[1], 0));
- kd->initrd = *s ? talloc_strdup(kd, s) : NULL;
-
- s = ked_chomp(field_buffer(ked->fields[2], 0));
- kd->args = *s ? talloc_strdup(kd, s) : NULL;
-
- return kd;
-}
-
-/**
- * ked_process_key - Process a user keystroke.
- *
- * Called from the cui via the scr:process_key method.
- */
-
-static void ked_process_key(struct nc_scr *scr)
-{
- struct ked *ked = ked_from_scr(scr);
- struct pb_kexec_data *kd;
-
- while (1) {
- int c = getch();
-
- if (c == ERR)
- return;
-
- /* DBGS("%d (%o)\n", c, c); */
-
- switch (c) {
- default:
- ked_move_cursor(ked, c);
- break;
-
- /* hot keys */
- case 27: /* ESC */
- ked->on_exit(ked, ked_cancel, NULL);
- nc_flush_keys();
- return;
- case '\n':
- case '\r':
- form_driver(ked->ncf, REQ_VALIDATION);
- kd = ked_prepare_data(ked);
- ked->on_exit(ked, ked_update, kd);
- nc_flush_keys();
- return;
-
- /* insert mode */
- case KEY_IC:
- ked_insert_mode_tog(ked);
- break;
-
- /* form nav */
- case KEY_PPAGE:
- ked_move_field(ked, REQ_FIRST_FIELD);
- break;
- case KEY_NPAGE:
- ked_move_field(ked, REQ_LAST_FIELD);
- break;
- case KEY_DOWN:
- ked_move_field(ked, REQ_NEXT_FIELD);
- break;
- case KEY_UP:
- ked_move_field(ked, REQ_PREV_FIELD);
- break;
-
- /* field nav */
- case KEY_HOME:
- ked_move_cursor(ked, REQ_BEG_FIELD);
- break;
- case KEY_END:
- ked_move_cursor(ked, REQ_END_FIELD);
- break;
- case KEY_LEFT:
- ked_move_cursor(ked, REQ_LEFT_CHAR);
- break;
- case KEY_RIGHT:
- ked_move_cursor(ked, REQ_RIGHT_CHAR);
- break;
- case KEY_BACKSPACE:
- if (ked_move_cursor(ked, REQ_LEFT_CHAR) == E_OK)
- ked_move_cursor(ked, REQ_DEL_CHAR);
- break;
- case KEY_DC:
- ked_move_cursor(ked, REQ_DEL_CHAR);
- break;
- }
- }
-}
-
-/**
- * ked_destructor - The talloc destructor for a ked.
- */
-
-static int ked_destructor(void *arg)
-{
- struct ked *ked = ked_from_arg(arg);
- FIELD **f;
-
- for (f = ked->fields; *f; f++)
- free_field(*f);
-
- free_form(ked->ncf);
- ked->scr.sig = pb_removed_sig;
-
- return 0;
-}
-
-static FIELD *ked_setup_field(unsigned int y, unsigned int x, char *str)
-{
- FIELD *f;
-
- f = new_field(1, COLS - 1 - x, y, x, 0, 0);
- field_opts_off(f, O_STATIC | O_WRAP);
- set_max_field(f, 256);
- set_field_buffer(f, 0, str);
- set_field_status(f, 0);
- return f;
-}
-
-static FIELD *ked_setup_label(unsigned int y, unsigned int x, char *str)
-{
- FIELD *f;
-
- f = new_field(1, strlen(str), y, x, 0, 0);
- field_opts_off(f, O_ACTIVE);
- set_field_buffer(f, 0, str);
- return f;
-}
-
-struct ked *ked_init(void *ui_ctx, const struct pb_kexec_data *kd,
- void (*on_exit)(struct ked *, enum ked_result, struct pb_kexec_data *))
-{
- struct ked *ked;
-
- pb_log("%s: image: '%s'\n", __func__, kd->image);
- pb_log("%s: initrd: '%s'\n", __func__, kd->initrd);
- pb_log("%s: args: '%s'\n", __func__, kd->args);
-
- assert(on_exit);
-
- ked = talloc_zero(ui_ctx, struct ked);
-
- if (!ked)
- return NULL;
-
- talloc_set_destructor(ked, ked_destructor);
-
- nc_scr_init(&ked->scr, pb_ked_sig, 0, ui_ctx, ked_process_key,
- ked_post, ked_unpost, ked_resize);
-
- ked->scr.frame.title = talloc_strdup(ked, "Petitboot Option Editor");
- ked->scr.frame.help = talloc_strdup(ked,
- "ESC=cancel, Enter=accept");
-
- ked->on_exit = on_exit;
-
- ked->fields = talloc_array(ked, FIELD *, 7);
-
- ked->fields[0] = ked_setup_field(0, 9, kd->image);
- ked->fields[1] = ked_setup_field(1, 9, kd->initrd);
- ked->fields[2] = ked_setup_field(2, 9, kd->args);
- ked->fields[3] = ked_setup_label(0, 1, "image:");
- ked->fields[4] = ked_setup_label(1, 1, "initrd:");
- ked->fields[5] = ked_setup_label(2, 1, "args:");
- ked->fields[6] = NULL;
-
- ked->ncf = new_form(ked->fields);
-
- set_form_win(ked->ncf, ked->scr.main_ncw);
- set_form_sub(ked->ncf, ked->scr.sub_ncw);
-
- return ked;
-}
projects / petitboot / blobdiff