2 * Copyright (C) 2009 Sony Computer Entertainment Inc.
3 * Copyright 2009 Sony Corp.
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation; version 2 of the License.
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
14 * You should have received a copy of the GNU General Public License
15 * along with this program; if not, write to the Free Software
16 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
19 #if defined(HAVE_CONFIG_H)
27 #include "talloc/talloc.h"
28 #include "nc-boot-editor.h"
29 #include "nc-widgets.h"
35 struct pmenu_item *item;
42 void (*on_exit)(struct cui *cui,
43 struct pmenu_item *item,
44 struct pb_boot_data *bd);
51 struct nc_widgetset *widgetset;
53 struct nc_widget_label *device_l;
54 struct nc_widget_select *device_f;
55 struct nc_widget_label *image_l;
56 struct nc_widget_textbox *image_f;
57 struct nc_widget_label *initrd_l;
58 struct nc_widget_textbox *initrd_f;
59 struct nc_widget_label *dtb_l;
60 struct nc_widget_textbox *dtb_f;
61 struct nc_widget_label *args_l;
62 struct nc_widget_textbox *args_f;
63 struct nc_widget_button *ok_b;
64 struct nc_widget_button *help_b;
65 struct nc_widget_button *cancel_b;
68 const char *selected_device;
75 extern const char *boot_editor_help_text;
77 static struct boot_editor *boot_editor_from_scr(struct nc_scr *scr)
79 struct boot_editor *boot_editor;
81 assert(scr->sig == pb_boot_editor_sig);
82 boot_editor = (struct boot_editor *)
83 ((char *)scr - (size_t)&((struct boot_editor *)0)->scr);
84 assert(boot_editor->scr.sig == pb_boot_editor_sig);
88 static void pad_refresh(struct boot_editor *boot_editor)
92 getmaxyx(boot_editor->scr.sub_ncw, rows, cols);
93 getbegyx(boot_editor->scr.sub_ncw, y, x);
95 prefresh(boot_editor->pad, boot_editor->scroll_y, 0,
99 static struct boot_editor *boot_editor_from_arg(void *arg)
101 struct boot_editor *boot_editor = arg;
103 assert(boot_editor->scr.sig == pb_boot_editor_sig);
107 static int boot_editor_post(struct nc_scr *scr)
109 struct boot_editor *boot_editor = boot_editor_from_scr(scr);
110 widgetset_post(boot_editor->widgetset);
111 nc_scr_frame_draw(scr);
112 redrawwin(scr->main_ncw);
113 wrefresh(boot_editor->scr.main_ncw);
114 pad_refresh(boot_editor);
118 static int boot_editor_unpost(struct nc_scr *scr)
120 widgetset_unpost(boot_editor_from_scr(scr)->widgetset);
124 struct nc_scr *boot_editor_scr(struct boot_editor *boot_editor)
126 return &boot_editor->scr;
129 static void boot_editor_resize(struct nc_scr *scr)
131 /* FIXME: forms can't be resized, need to recreate here */
132 boot_editor_unpost(scr);
133 boot_editor_post(scr);
136 static char *conditional_prefix(struct pb_boot_data *ctx,
137 const char *prefix, const char *value)
141 if (!value || !*value)
147 else if (prefix[strlen(prefix)] != '/')
150 return talloc_asprintf(ctx, "%s%s%s", prefix, sep, value);
153 static struct pb_boot_data *boot_editor_prepare_data(
154 struct boot_editor *boot_editor)
156 struct pb_boot_data *bd;
160 bd = talloc(boot_editor, struct pb_boot_data);
165 idx = widget_select_get_value(boot_editor->widgets.device_f);
166 if (idx == -1 || (unsigned int)idx >
167 boot_editor->cui->sysinfo->n_blockdevs)
170 prefix = boot_editor->cui->sysinfo->blockdevs[idx]->mountpoint;
172 s = widget_textbox_get_value(boot_editor->widgets.image_f);
173 bd->image = conditional_prefix(bd, prefix, s);
175 s = widget_textbox_get_value(boot_editor->widgets.initrd_f);
176 bd->initrd = conditional_prefix(bd, prefix, s);
178 s = widget_textbox_get_value(boot_editor->widgets.dtb_f);
179 bd->dtb = conditional_prefix(bd, prefix, s);
181 s = widget_textbox_get_value(boot_editor->widgets.args_f);
182 bd->args = *s ? talloc_strdup(bd, s) : NULL;
188 * boot_editor_process_key - Process a user keystroke.
190 * Called from the cui via the scr:process_key method.
193 static void boot_editor_process_key(struct nc_scr *scr, int key)
195 struct boot_editor *boot_editor = boot_editor_from_scr(scr);
196 struct pmenu_item *item;
197 struct pb_boot_data *bd;
200 handled = widgetset_process_key(boot_editor->widgetset, key);
202 pad_refresh(boot_editor);
204 else if (key == 'x' || key == 27)
205 boot_editor->state = STATE_CANCEL;
208 boot_editor->state = STATE_HELP;
213 switch (boot_editor->state) {
215 item = boot_editor->item;
216 bd = boot_editor_prepare_data(boot_editor);
219 boot_editor->on_exit(boot_editor->cui, item, bd);
222 boot_editor->state = STATE_EDIT;
223 cui_show_help(boot_editor->cui, "Boot Option Editor",
224 boot_editor_help_text);
232 * boot_editor_destructor - The talloc destructor for a boot_editor.
235 static int boot_editor_destructor(void *arg)
237 struct boot_editor *boot_editor = boot_editor_from_arg(arg);
238 boot_editor->scr.sig = pb_removed_sig;
239 if (boot_editor->pad)
240 delwin(boot_editor->pad);
244 static void ok_click(void *arg)
246 struct boot_editor *boot_editor = arg;
247 boot_editor->state = STATE_SAVE;
250 static void help_click(void *arg)
252 struct boot_editor *boot_editor = arg;
253 boot_editor->state = STATE_HELP;
256 static void cancel_click(void *arg)
258 struct boot_editor *boot_editor = arg;
259 boot_editor->state = STATE_CANCEL;
262 static int layout_pair(struct boot_editor *boot_editor, int y,
263 struct nc_widget_label *label,
264 struct nc_widget_textbox *field)
266 struct nc_widget *label_w = widget_label_base(label);
267 struct nc_widget *field_w = widget_textbox_base(field);
268 widget_move(label_w, y, boot_editor->label_x);
269 widget_move(field_w, y, boot_editor->field_x);
270 return max(widget_height(label_w), widget_height(field_w));
273 static int pad_height(int blockdevs_height)
275 return 10 + blockdevs_height;
278 static void boot_editor_layout_widgets(struct boot_editor *boot_editor)
280 struct nc_widget *wf, *wl;
283 wl = widget_label_base(boot_editor->widgets.device_l);
284 wf = widget_select_base(boot_editor->widgets.device_f);
285 widget_move(wl, y, boot_editor->label_x);
286 widget_move(wf, y, boot_editor->field_x);
288 y += widget_height(wf) + 1;
291 y += layout_pair(boot_editor, y, boot_editor->widgets.image_l,
292 boot_editor->widgets.image_f);
294 y += layout_pair(boot_editor, y, boot_editor->widgets.initrd_l,
295 boot_editor->widgets.initrd_f);
297 y += layout_pair(boot_editor, y, boot_editor->widgets.dtb_l,
298 boot_editor->widgets.dtb_f);
300 y += layout_pair(boot_editor, y, boot_editor->widgets.args_l,
301 boot_editor->widgets.args_f);
305 widget_move(widget_button_base(boot_editor->widgets.ok_b), y, 9);
306 widget_move(widget_button_base(boot_editor->widgets.help_b), y, 19);
307 widget_move(widget_button_base(boot_editor->widgets.cancel_b), y, 29);
310 static void boot_editor_widget_focus(struct nc_widget *widget, void *arg)
312 struct boot_editor *boot_editor = arg;
315 w_y = widget_y(widget) + widget_focus_y(widget);
316 s_max = getmaxy(boot_editor->scr.sub_ncw) - 1;
318 if (w_y < boot_editor->scroll_y)
319 boot_editor->scroll_y = w_y;
321 else if (w_y + boot_editor->scroll_y + 1 > s_max)
322 boot_editor->scroll_y = 1 + w_y - s_max;
327 pad_refresh(boot_editor);
330 static void boot_editor_device_select_change(void *arg, int idx)
332 struct boot_editor *boot_editor = arg;
334 boot_editor->selected_device = NULL;
336 boot_editor->selected_device =
337 boot_editor->cui->sysinfo->blockdevs[idx]->name;
340 static void boot_editor_populate_device_select(struct boot_editor *boot_editor,
341 const struct system_info *sysinfo)
343 struct nc_widget_select *select = boot_editor->widgets.device_f;
347 widget_select_drop_options(select);
349 for (i = 0; sysinfo && i < sysinfo->n_blockdevs; i++) {
350 struct blockdev_info *bd_info = sysinfo->blockdevs[i];
353 name = talloc_asprintf(boot_editor, "%s [%s]",
354 bd_info->name, bd_info->uuid);
355 selected = boot_editor->selected_device &&
356 !strcmp(bd_info->name,
357 boot_editor->selected_device);
359 widget_select_add_option(select, i, name, selected);
362 /* If we're editing an existing option, the paths will be fully-
363 * resolved. In this case, we want the manual device pre-selected.
364 * However, we only do this if the widget hasn't been manually
366 selected = !boot_editor->selected_device;
368 widget_select_add_option(select, -1, "Specify paths/URLs manually",
372 static bool path_on_device(struct blockdev_info *bd_info,
377 if (!bd_info->mountpoint)
380 len = strlen(bd_info->mountpoint);
381 if (strncmp(bd_info->mountpoint, path, len))
384 /* if the mountpoint doesn't have a trailing slash, ensure that
385 * the path starts with one (so we don't match a "/mnt/sda1/foo" path
386 * on a "/mnt/sda" mountpoint) */
387 return bd_info->mountpoint[len-1] == '/' || path[len] == '/';
391 static void boot_editor_find_device(struct boot_editor *boot_editor,
392 struct pb_boot_data *bd, const struct system_info *sysinfo)
394 struct blockdev_info *bd_info, *tmp;
397 if (!sysinfo || !sysinfo->n_blockdevs)
400 /* find the device for our boot image, by finding the longest
401 * matching blockdev's mountpoint */
402 for (len = 0, i = 0, bd_info = NULL; i < sysinfo->n_blockdevs; i++) {
403 tmp = sysinfo->blockdevs[i];
404 if (!path_on_device(tmp, bd->image))
406 if (strlen(tmp->mountpoint) <= len)
409 len = strlen(tmp->mountpoint);
415 /* ensure that other paths are on this device */
416 if (bd->initrd && !path_on_device(bd_info, bd->initrd))
419 if (bd->dtb && !path_on_device(bd_info, bd->dtb))
422 /* ok, we match; preselect the device option, and remove the common
424 boot_editor->selected_device = bd_info->name;
425 boot_editor->image += len;
427 if (boot_editor->initrd)
428 boot_editor->initrd += len;
429 if (boot_editor->dtb)
430 boot_editor->dtb += len;
433 static void boot_editor_setup_widgets(struct boot_editor *boot_editor,
434 const struct system_info *sysinfo)
436 struct nc_widgetset *set;
439 field_size = COLS - 1 - boot_editor->field_x;
441 boot_editor->widgetset = set = widgetset_create(boot_editor,
442 boot_editor->scr.main_ncw,
445 widgetset_set_widget_focus(boot_editor->widgetset,
446 boot_editor_widget_focus, boot_editor);
448 boot_editor->widgets.device_l = widget_new_label(set, 0, 0, "Device:");
449 boot_editor->widgets.device_f = widget_new_select(set, 0, 0,
451 widget_select_on_change(boot_editor->widgets.device_f,
452 boot_editor_device_select_change, boot_editor);
454 boot_editor_populate_device_select(boot_editor, sysinfo);
456 boot_editor->widgets.image_l = widget_new_label(set, 0, 0,
458 boot_editor->widgets.image_f = widget_new_textbox(set, 0, 0,
459 field_size, boot_editor->image);
461 boot_editor->widgets.initrd_l = widget_new_label(set, 0, 0,
463 boot_editor->widgets.initrd_f = widget_new_textbox(set, 0, 0,
465 boot_editor->initrd);
467 boot_editor->widgets.dtb_l = widget_new_label(set, 0, 0,
469 boot_editor->widgets.dtb_f = widget_new_textbox(set, 0, 0,
470 field_size, boot_editor->dtb);
472 boot_editor->widgets.args_l = widget_new_label(set, 0, 0,
474 boot_editor->widgets.args_f = widget_new_textbox(set, 0, 0,
475 field_size, boot_editor->args);
477 boot_editor->widgets.ok_b = widget_new_button(set, 0, 0, 6,
478 "OK", ok_click, boot_editor);
479 boot_editor->widgets.help_b = widget_new_button(set, 0, 0, 6,
480 "Help", help_click, boot_editor);
481 boot_editor->widgets.cancel_b = widget_new_button(set, 0, 0, 6,
482 "Cancel", cancel_click, boot_editor);
485 void boot_editor_update(struct boot_editor *boot_editor,
486 const struct system_info *sysinfo)
490 widgetset_unpost(boot_editor->widgetset);
492 height = pad_height(sysinfo ? sysinfo->n_blockdevs : 0);
493 if (getmaxy(boot_editor->pad) < height) {
494 delwin(boot_editor->pad);
495 boot_editor->pad = newpad(height, COLS);
496 widgetset_set_windows(boot_editor->widgetset,
497 boot_editor->scr.main_ncw,
501 boot_editor_populate_device_select(boot_editor, sysinfo);
503 boot_editor_layout_widgets(boot_editor);
505 widgetset_post(boot_editor->widgetset);
507 pad_refresh(boot_editor);
510 struct boot_editor *boot_editor_init(struct cui *cui,
511 struct pmenu_item *item,
512 const struct system_info *sysinfo,
513 void (*on_exit)(struct cui *cui,
514 struct pmenu_item *item,
515 struct pb_boot_data *bd))
517 struct boot_editor *boot_editor;
519 boot_editor = talloc_zero(cui, struct boot_editor);
524 talloc_set_destructor(boot_editor, boot_editor_destructor);
525 boot_editor->cui = cui;
526 boot_editor->item = item;
527 boot_editor->on_exit = on_exit;
528 boot_editor->state = STATE_EDIT;
530 boot_editor->label_x = 1;
531 boot_editor->field_x = 17;
533 nc_scr_init(&boot_editor->scr, pb_boot_editor_sig, 0,
534 cui, boot_editor_process_key,
535 boot_editor_post, boot_editor_unpost, boot_editor_resize);
537 boot_editor->scr.frame.ltitle = talloc_strdup(boot_editor,
538 "Petitboot Option Editor");
539 boot_editor->scr.frame.rtitle = NULL;
540 boot_editor->scr.frame.help = talloc_strdup(boot_editor,
541 "tab=next, shift+tab=previous, x=exit, h=help");
542 nc_scr_frame_draw(&boot_editor->scr);
545 struct pb_boot_data *bd = cod_from_item(item)->bd;
546 boot_editor->image = bd->image;
547 boot_editor->initrd = bd->initrd;
548 boot_editor->dtb = bd->dtb;
549 boot_editor->args = bd->args;
550 boot_editor_find_device(boot_editor, bd, sysinfo);
552 boot_editor->image = boot_editor->initrd =
553 boot_editor->dtb = boot_editor->args = "";
556 boot_editor->pad = newpad(
557 pad_height(sysinfo ? sysinfo->n_blockdevs : 0),
560 boot_editor_setup_widgets(boot_editor, sysinfo);
562 boot_editor_layout_widgets(boot_editor);
563 wrefresh(boot_editor->scr.main_ncw);