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 "i18n/i18n.h"
29 #include "nc-boot-editor.h"
30 #include "nc-widgets.h"
36 struct pmenu_item *item;
43 void (*on_exit)(struct cui *cui,
44 struct pmenu_item *item,
45 struct pb_boot_data *bd);
52 struct nc_widgetset *widgetset;
54 struct nc_widget_label *device_l;
55 struct nc_widget_select *device_f;
56 struct nc_widget_label *image_l;
57 struct nc_widget_textbox *image_f;
58 struct nc_widget_label *initrd_l;
59 struct nc_widget_textbox *initrd_f;
60 struct nc_widget_label *dtb_l;
61 struct nc_widget_textbox *dtb_f;
62 struct nc_widget_label *args_l;
63 struct nc_widget_textbox *args_f;
64 struct nc_widget_button *ok_b;
65 struct nc_widget_button *help_b;
66 struct nc_widget_button *cancel_b;
69 const char *selected_device;
76 extern const struct help_text boot_editor_help_text;
78 static struct boot_editor *boot_editor_from_scr(struct nc_scr *scr)
80 struct boot_editor *boot_editor;
82 assert(scr->sig == pb_boot_editor_sig);
83 boot_editor = (struct boot_editor *)
84 ((char *)scr - (size_t)&((struct boot_editor *)0)->scr);
85 assert(boot_editor->scr.sig == pb_boot_editor_sig);
89 static void pad_refresh(struct boot_editor *boot_editor)
93 getmaxyx(boot_editor->scr.sub_ncw, rows, cols);
94 getbegyx(boot_editor->scr.sub_ncw, y, x);
96 prefresh(boot_editor->pad, boot_editor->scroll_y, 0,
100 static struct boot_editor *boot_editor_from_arg(void *arg)
102 struct boot_editor *boot_editor = arg;
104 assert(boot_editor->scr.sig == pb_boot_editor_sig);
108 static int boot_editor_post(struct nc_scr *scr)
110 struct boot_editor *boot_editor = boot_editor_from_scr(scr);
111 widgetset_post(boot_editor->widgetset);
112 nc_scr_frame_draw(scr);
113 redrawwin(scr->main_ncw);
114 wrefresh(boot_editor->scr.main_ncw);
115 pad_refresh(boot_editor);
119 static int boot_editor_unpost(struct nc_scr *scr)
121 widgetset_unpost(boot_editor_from_scr(scr)->widgetset);
125 struct nc_scr *boot_editor_scr(struct boot_editor *boot_editor)
127 return &boot_editor->scr;
130 static void boot_editor_resize(struct nc_scr *scr)
132 /* FIXME: forms can't be resized, need to recreate here */
133 boot_editor_unpost(scr);
134 boot_editor_post(scr);
137 static char *conditional_prefix(struct pb_boot_data *ctx,
138 const char *prefix, const char *value)
142 if (!value || !*value)
148 else if (prefix[strlen(prefix)] != '/')
151 return talloc_asprintf(ctx, "%s%s%s", prefix, sep, value);
154 static struct pb_boot_data *boot_editor_prepare_data(
155 struct boot_editor *boot_editor)
157 struct pb_boot_data *bd;
161 bd = talloc(boot_editor, struct pb_boot_data);
166 idx = widget_select_get_value(boot_editor->widgets.device_f);
167 if (idx == -1 || (unsigned int)idx >
168 boot_editor->cui->sysinfo->n_blockdevs)
171 prefix = boot_editor->cui->sysinfo->blockdevs[idx]->mountpoint;
173 s = widget_textbox_get_value(boot_editor->widgets.image_f);
174 bd->image = conditional_prefix(bd, prefix, s);
176 s = widget_textbox_get_value(boot_editor->widgets.initrd_f);
177 bd->initrd = conditional_prefix(bd, prefix, s);
179 s = widget_textbox_get_value(boot_editor->widgets.dtb_f);
180 bd->dtb = conditional_prefix(bd, prefix, s);
182 s = widget_textbox_get_value(boot_editor->widgets.args_f);
183 bd->args = *s ? talloc_strdup(bd, s) : NULL;
189 * boot_editor_process_key - Process a user keystroke.
191 * Called from the cui via the scr:process_key method.
194 static void boot_editor_process_key(struct nc_scr *scr, int key)
196 struct boot_editor *boot_editor = boot_editor_from_scr(scr);
197 struct pmenu_item *item;
198 struct pb_boot_data *bd;
201 handled = widgetset_process_key(boot_editor->widgetset, key);
203 pad_refresh(boot_editor);
205 else if (key == 'x' || key == 27)
206 boot_editor->state = STATE_CANCEL;
209 boot_editor->state = STATE_HELP;
214 switch (boot_editor->state) {
216 item = boot_editor->item;
217 bd = boot_editor_prepare_data(boot_editor);
220 boot_editor->on_exit(boot_editor->cui, item, bd);
223 boot_editor->state = STATE_EDIT;
224 cui_show_help(boot_editor->cui, _("Boot Option Editor"),
225 &boot_editor_help_text);
233 * boot_editor_destructor - The talloc destructor for a boot_editor.
236 static int boot_editor_destructor(void *arg)
238 struct boot_editor *boot_editor = boot_editor_from_arg(arg);
239 boot_editor->scr.sig = pb_removed_sig;
240 if (boot_editor->pad)
241 delwin(boot_editor->pad);
245 static void ok_click(void *arg)
247 struct boot_editor *boot_editor = arg;
248 boot_editor->state = STATE_SAVE;
251 static void help_click(void *arg)
253 struct boot_editor *boot_editor = arg;
254 boot_editor->state = STATE_HELP;
257 static void cancel_click(void *arg)
259 struct boot_editor *boot_editor = arg;
260 boot_editor->state = STATE_CANCEL;
263 static int layout_pair(struct boot_editor *boot_editor, int y,
264 struct nc_widget_label *label,
265 struct nc_widget_textbox *field)
267 struct nc_widget *label_w = widget_label_base(label);
268 struct nc_widget *field_w = widget_textbox_base(field);
269 widget_move(label_w, y, boot_editor->label_x);
270 widget_move(field_w, y, boot_editor->field_x);
271 return max(widget_height(label_w), widget_height(field_w));
274 static int pad_height(int blockdevs_height)
276 return 10 + blockdevs_height;
279 static void boot_editor_layout_widgets(struct boot_editor *boot_editor)
281 struct nc_widget *wf, *wl;
284 wl = widget_label_base(boot_editor->widgets.device_l);
285 wf = widget_select_base(boot_editor->widgets.device_f);
286 widget_move(wl, y, boot_editor->label_x);
287 widget_move(wf, y, boot_editor->field_x);
289 y += widget_height(wf) + 1;
292 y += layout_pair(boot_editor, y, boot_editor->widgets.image_l,
293 boot_editor->widgets.image_f);
295 y += layout_pair(boot_editor, y, boot_editor->widgets.initrd_l,
296 boot_editor->widgets.initrd_f);
298 y += layout_pair(boot_editor, y, boot_editor->widgets.dtb_l,
299 boot_editor->widgets.dtb_f);
301 y += layout_pair(boot_editor, y, boot_editor->widgets.args_l,
302 boot_editor->widgets.args_f);
306 widget_move(widget_button_base(boot_editor->widgets.ok_b), y, 9);
307 widget_move(widget_button_base(boot_editor->widgets.help_b), y, 19);
308 widget_move(widget_button_base(boot_editor->widgets.cancel_b), y, 32);
311 static void boot_editor_widget_focus(struct nc_widget *widget, void *arg)
313 struct boot_editor *boot_editor = arg;
316 w_y = widget_y(widget) + widget_focus_y(widget);
317 s_max = getmaxy(boot_editor->scr.sub_ncw) - 1;
319 if (w_y < boot_editor->scroll_y)
320 boot_editor->scroll_y = w_y;
322 else if (w_y + boot_editor->scroll_y + 1 > s_max)
323 boot_editor->scroll_y = 1 + w_y - s_max;
328 pad_refresh(boot_editor);
331 static void boot_editor_device_select_change(void *arg, int idx)
333 struct boot_editor *boot_editor = arg;
335 boot_editor->selected_device = NULL;
337 boot_editor->selected_device =
338 boot_editor->cui->sysinfo->blockdevs[idx]->name;
341 static void boot_editor_populate_device_select(struct boot_editor *boot_editor,
342 const struct system_info *sysinfo)
344 struct nc_widget_select *select = boot_editor->widgets.device_f;
348 widget_select_drop_options(select);
350 for (i = 0; sysinfo && i < sysinfo->n_blockdevs; i++) {
351 struct blockdev_info *bd_info = sysinfo->blockdevs[i];
354 name = talloc_asprintf(boot_editor, "%s [%s]",
355 bd_info->name, bd_info->uuid);
356 selected = boot_editor->selected_device &&
357 !strcmp(bd_info->name,
358 boot_editor->selected_device);
360 widget_select_add_option(select, i, name, selected);
363 /* If we're editing an existing option, the paths will be fully-
364 * resolved. In this case, we want the manual device pre-selected.
365 * However, we only do this if the widget hasn't been manually
367 selected = !boot_editor->selected_device;
369 widget_select_add_option(select, -1, _("Specify paths/URLs manually"),
373 static bool path_on_device(struct blockdev_info *bd_info,
378 if (!bd_info->mountpoint)
381 len = strlen(bd_info->mountpoint);
382 if (strncmp(bd_info->mountpoint, path, len))
385 /* if the mountpoint doesn't have a trailing slash, ensure that
386 * the path starts with one (so we don't match a "/mnt/sda1/foo" path
387 * on a "/mnt/sda" mountpoint) */
388 return bd_info->mountpoint[len-1] == '/' || path[len] == '/';
392 static void boot_editor_find_device(struct boot_editor *boot_editor,
393 struct pb_boot_data *bd, const struct system_info *sysinfo)
395 struct blockdev_info *bd_info, *tmp;
398 if (!sysinfo || !sysinfo->n_blockdevs)
401 /* find the device for our boot image, by finding the longest
402 * matching blockdev's mountpoint */
403 for (len = 0, i = 0, bd_info = NULL; i < sysinfo->n_blockdevs; i++) {
404 tmp = sysinfo->blockdevs[i];
405 if (!path_on_device(tmp, bd->image))
407 if (strlen(tmp->mountpoint) <= len)
410 len = strlen(tmp->mountpoint);
416 /* ensure that other paths are on this device */
417 if (bd->initrd && !path_on_device(bd_info, bd->initrd))
420 if (bd->dtb && !path_on_device(bd_info, bd->dtb))
423 /* ok, we match; preselect the device option, and remove the common
425 boot_editor->selected_device = bd_info->name;
426 boot_editor->image += len;
428 if (boot_editor->initrd)
429 boot_editor->initrd += len;
430 if (boot_editor->dtb)
431 boot_editor->dtb += len;
434 static void boot_editor_setup_widgets(struct boot_editor *boot_editor,
435 const struct system_info *sysinfo)
437 struct nc_widgetset *set;
440 field_size = COLS - 1 - boot_editor->field_x;
442 boot_editor->widgetset = set = widgetset_create(boot_editor,
443 boot_editor->scr.main_ncw,
446 widgetset_set_widget_focus(boot_editor->widgetset,
447 boot_editor_widget_focus, boot_editor);
449 boot_editor->widgets.device_l = widget_new_label(set, 0, 0,
451 boot_editor->widgets.device_f = widget_new_select(set, 0, 0,
453 widget_select_on_change(boot_editor->widgets.device_f,
454 boot_editor_device_select_change, boot_editor);
456 boot_editor_populate_device_select(boot_editor, sysinfo);
458 boot_editor->widgets.image_l = widget_new_label(set, 0, 0,
460 boot_editor->widgets.image_f = widget_new_textbox(set, 0, 0,
461 field_size, boot_editor->image);
463 boot_editor->widgets.initrd_l = widget_new_label(set, 0, 0,
465 boot_editor->widgets.initrd_f = widget_new_textbox(set, 0, 0,
467 boot_editor->initrd);
469 boot_editor->widgets.dtb_l = widget_new_label(set, 0, 0,
471 boot_editor->widgets.dtb_f = widget_new_textbox(set, 0, 0,
472 field_size, boot_editor->dtb);
474 boot_editor->widgets.args_l = widget_new_label(set, 0, 0,
475 _("Boot arguments:"));
476 boot_editor->widgets.args_f = widget_new_textbox(set, 0, 0,
477 field_size, boot_editor->args);
479 boot_editor->widgets.ok_b = widget_new_button(set, 0, 0, 6,
480 _("OK"), ok_click, boot_editor);
481 boot_editor->widgets.help_b = widget_new_button(set, 0, 0, 9,
482 _("Help"), help_click, boot_editor);
483 boot_editor->widgets.cancel_b = widget_new_button(set, 0, 0, 9,
484 _("Cancel"), cancel_click, boot_editor);
487 void boot_editor_update(struct boot_editor *boot_editor,
488 const struct system_info *sysinfo)
492 widgetset_unpost(boot_editor->widgetset);
494 height = pad_height(sysinfo ? sysinfo->n_blockdevs : 0);
495 if (getmaxy(boot_editor->pad) < height) {
496 delwin(boot_editor->pad);
497 boot_editor->pad = newpad(height, COLS);
498 widgetset_set_windows(boot_editor->widgetset,
499 boot_editor->scr.main_ncw,
503 boot_editor_populate_device_select(boot_editor, sysinfo);
505 boot_editor_layout_widgets(boot_editor);
507 widgetset_post(boot_editor->widgetset);
509 pad_refresh(boot_editor);
512 struct boot_editor *boot_editor_init(struct cui *cui,
513 struct pmenu_item *item,
514 const struct system_info *sysinfo,
515 void (*on_exit)(struct cui *cui,
516 struct pmenu_item *item,
517 struct pb_boot_data *bd))
519 struct boot_editor *boot_editor;
521 boot_editor = talloc_zero(cui, struct boot_editor);
526 talloc_set_destructor(boot_editor, boot_editor_destructor);
527 boot_editor->cui = cui;
528 boot_editor->item = item;
529 boot_editor->on_exit = on_exit;
530 boot_editor->state = STATE_EDIT;
532 boot_editor->label_x = 1;
533 boot_editor->field_x = 17;
535 nc_scr_init(&boot_editor->scr, pb_boot_editor_sig, 0,
536 cui, boot_editor_process_key,
537 boot_editor_post, boot_editor_unpost, boot_editor_resize);
539 boot_editor->scr.frame.ltitle = talloc_strdup(boot_editor,
540 _("Petitboot Option Editor"));
541 boot_editor->scr.frame.rtitle = NULL;
542 boot_editor->scr.frame.help = talloc_strdup(boot_editor,
543 _("tab=next, shift+tab=previous, x=exit, h=help"));
544 nc_scr_frame_draw(&boot_editor->scr);
547 struct pb_boot_data *bd = cod_from_item(item)->bd;
548 boot_editor->image = bd->image;
549 boot_editor->initrd = bd->initrd;
550 boot_editor->dtb = bd->dtb;
551 boot_editor->args = bd->args;
552 boot_editor_find_device(boot_editor, bd, sysinfo);
554 boot_editor->image = boot_editor->initrd =
555 boot_editor->dtb = boot_editor->args = "";
558 boot_editor->pad = newpad(
559 pad_height(sysinfo ? sysinfo->n_blockdevs : 0),
562 boot_editor_setup_widgets(boot_editor, sysinfo);
564 boot_editor_layout_widgets(boot_editor);
565 wrefresh(boot_editor->scr.main_ncw);