diff options
Diffstat (limited to 'ui/ncurses/nc-ked.c')
-rw-r--r-- | ui/ncurses/nc-ked.c | 347 |
1 files changed, 0 insertions, 347 deletions
diff --git a/ui/ncurses/nc-ked.c b/ui/ncurses/nc-ked.c deleted file mode 100644 index 806d389..0000000 --- a/ui/ncurses/nc-ked.c +++ /dev/null @@ -1,347 +0,0 @@ -/* - * 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; -} |