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;
41 void (*on_exit)(struct cui *cui,
42 struct pmenu_item *item,
43 struct pb_boot_data *bd);
50 struct nc_widgetset *widgetset;
52 struct nc_widget_label *device_l;
53 struct nc_widget_select *device_f;
54 struct nc_widget_label *image_l;
55 struct nc_widget_textbox *image_f;
56 struct nc_widget_label *initrd_l;
57 struct nc_widget_textbox *initrd_f;
58 struct nc_widget_label *dtb_l;
59 struct nc_widget_textbox *dtb_f;
60 struct nc_widget_label *args_l;
61 struct nc_widget_textbox *args_f;
62 struct nc_widget_button *ok_b;
63 struct nc_widget_button *cancel_b;
66 const char *selected_device;
73 static struct boot_editor *boot_editor_from_scr(struct nc_scr *scr)
75 struct boot_editor *boot_editor;
77 assert(scr->sig == pb_boot_editor_sig);
78 boot_editor = (struct boot_editor *)
79 ((char *)scr - (size_t)&((struct boot_editor *)0)->scr);
80 assert(boot_editor->scr.sig == pb_boot_editor_sig);
84 static void pad_refresh(struct boot_editor *boot_editor)
88 getmaxyx(boot_editor->scr.sub_ncw, rows, cols);
89 getbegyx(boot_editor->scr.sub_ncw, y, x);
91 prefresh(boot_editor->pad, boot_editor->scroll_y, 0,
95 static struct boot_editor *boot_editor_from_arg(void *arg)
97 struct boot_editor *boot_editor = arg;
99 assert(boot_editor->scr.sig == pb_boot_editor_sig);
103 static int boot_editor_post(struct nc_scr *scr)
105 struct boot_editor *boot_editor = boot_editor_from_scr(scr);
107 widgetset_post(boot_editor->widgetset);
108 nc_scr_frame_draw(scr);
109 pad_refresh(boot_editor);
113 static int boot_editor_unpost(struct nc_scr *scr)
115 widgetset_unpost(boot_editor_from_scr(scr)->widgetset);
119 struct nc_scr *boot_editor_scr(struct boot_editor *boot_editor)
121 return &boot_editor->scr;
124 static void boot_editor_resize(struct nc_scr *scr)
126 /* FIXME: forms can't be resized, need to recreate here */
127 boot_editor_unpost(scr);
128 boot_editor_post(scr);
131 static char *conditional_prefix(struct pb_boot_data *ctx,
132 const char *prefix, const char *value)
136 if (!value || !*value)
142 else if (prefix[strlen(prefix)] != '/')
145 return talloc_asprintf(ctx, "%s%s%s", prefix, sep, value);
148 static struct pb_boot_data *boot_editor_prepare_data(
149 struct boot_editor *boot_editor)
151 struct pb_boot_data *bd;
155 bd = talloc(boot_editor, struct pb_boot_data);
160 idx = widget_select_get_value(boot_editor->widgets.device_f);
161 if (idx == -1 || (unsigned int)idx >
162 boot_editor->cui->sysinfo->n_blockdevs)
165 prefix = boot_editor->cui->sysinfo->blockdevs[idx]->mountpoint;
167 s = widget_textbox_get_value(boot_editor->widgets.image_f);
168 bd->image = conditional_prefix(bd, prefix, s);
170 s = widget_textbox_get_value(boot_editor->widgets.initrd_f);
171 bd->initrd = conditional_prefix(bd, prefix, s);
173 s = widget_textbox_get_value(boot_editor->widgets.dtb_f);
174 bd->dtb = conditional_prefix(bd, prefix, s);
176 s = widget_textbox_get_value(boot_editor->widgets.args_f);
177 bd->args = *s ? talloc_strdup(bd, s) : NULL;
183 * boot_editor_process_key - Process a user keystroke.
185 * Called from the cui via the scr:process_key method.
188 static void boot_editor_process_key(struct nc_scr *scr, int key)
190 struct boot_editor *boot_editor = boot_editor_from_scr(scr);
191 struct pmenu_item *item;
192 struct pb_boot_data *bd;
195 handled = widgetset_process_key(boot_editor->widgetset, key);
197 pad_refresh(boot_editor);
199 else if (key == 'x' || key == 27)
200 boot_editor->state = STATE_CANCEL;
205 switch (boot_editor->state) {
207 item = boot_editor->item;
208 bd = boot_editor_prepare_data(boot_editor);
211 boot_editor->on_exit(boot_editor->cui, item, bd);
219 * boot_editor_destructor - The talloc destructor for a boot_editor.
222 static int boot_editor_destructor(void *arg)
224 struct boot_editor *boot_editor = boot_editor_from_arg(arg);
225 boot_editor->scr.sig = pb_removed_sig;
226 if (boot_editor->pad)
227 delwin(boot_editor->pad);
231 static void ok_click(void *arg)
233 struct boot_editor *boot_editor = arg;
234 boot_editor->state = STATE_SAVE;
237 static void cancel_click(void *arg)
239 struct boot_editor *boot_editor = arg;
240 boot_editor->state = STATE_CANCEL;
243 static int layout_pair(struct boot_editor *boot_editor, int y,
244 struct nc_widget_label *label,
245 struct nc_widget_textbox *field)
247 struct nc_widget *label_w = widget_label_base(label);
248 struct nc_widget *field_w = widget_textbox_base(field);
249 widget_move(label_w, y, boot_editor->label_x);
250 widget_move(field_w, y, boot_editor->field_x);
251 return max(widget_height(label_w), widget_height(field_w));
254 static int pad_height(int blockdevs_height)
256 return 10 + blockdevs_height;
259 static void boot_editor_layout_widgets(struct boot_editor *boot_editor)
261 struct nc_widget *wf, *wl;
264 wl = widget_label_base(boot_editor->widgets.device_l);
265 wf = widget_select_base(boot_editor->widgets.device_f);
266 widget_move(wl, y, boot_editor->label_x);
267 widget_move(wf, y, boot_editor->field_x);
269 y += widget_height(wf) + 1;
272 y += layout_pair(boot_editor, y, boot_editor->widgets.image_l,
273 boot_editor->widgets.image_f);
275 y += layout_pair(boot_editor, y, boot_editor->widgets.initrd_l,
276 boot_editor->widgets.initrd_f);
278 y += layout_pair(boot_editor, y, boot_editor->widgets.dtb_l,
279 boot_editor->widgets.dtb_f);
281 y += layout_pair(boot_editor, y, boot_editor->widgets.args_l,
282 boot_editor->widgets.args_f);
286 widget_move(widget_button_base(boot_editor->widgets.ok_b), y, 9);
287 widget_move(widget_button_base(boot_editor->widgets.cancel_b), y, 19);
290 static void boot_editor_widget_focus(struct nc_widget *widget, void *arg)
292 struct boot_editor *boot_editor = arg;
295 w_y = widget_y(widget) + widget_focus_y(widget);
296 s_max = getmaxy(boot_editor->scr.sub_ncw) - 1;
298 if (w_y < boot_editor->scroll_y)
299 boot_editor->scroll_y = w_y;
301 else if (w_y + boot_editor->scroll_y + 1 > s_max)
302 boot_editor->scroll_y = 1 + w_y - s_max;
307 pad_refresh(boot_editor);
310 static void boot_editor_device_select_change(void *arg, int idx)
312 struct boot_editor *boot_editor = arg;
314 boot_editor->selected_device = NULL;
316 boot_editor->selected_device =
317 boot_editor->cui->sysinfo->blockdevs[idx]->name;
320 static void boot_editor_populate_device_select(struct boot_editor *boot_editor,
321 const struct system_info *sysinfo)
323 struct nc_widget_select *select = boot_editor->widgets.device_f;
327 widget_select_drop_options(select);
329 for (i = 0; sysinfo && i < sysinfo->n_blockdevs; i++) {
330 struct blockdev_info *bd_info = sysinfo->blockdevs[i];
333 name = talloc_asprintf(boot_editor, "%s [%s]",
334 bd_info->name, bd_info->uuid);
335 selected = boot_editor->selected_device &&
336 !strcmp(bd_info->name,
337 boot_editor->selected_device);
339 widget_select_add_option(select, i, name, selected);
342 /* If we're editing an existing option, the paths will be fully-
343 * resolved. In this case, we want the manual device pre-selected.
344 * However, we only do this if the widget hasn't been manually
346 selected = !boot_editor->selected_device;
348 widget_select_add_option(select, -1, "Specify paths/URLs manually",
352 static bool path_on_device(struct blockdev_info *bd_info,
357 if (!bd_info->mountpoint)
360 len = strlen(bd_info->mountpoint);
361 if (strncmp(bd_info->mountpoint, path, len))
364 /* if the mountpoint doesn't have a trailing slash, ensure that
365 * the path starts with one (so we don't match a "/mnt/sda1/foo" path
366 * on a "/mnt/sda" mountpoint) */
367 return bd_info->mountpoint[len-1] == '/' || path[len] == '/';
371 static void boot_editor_find_device(struct boot_editor *boot_editor,
372 struct pb_boot_data *bd, const struct system_info *sysinfo)
374 struct blockdev_info *bd_info, *tmp;
377 if (!sysinfo || !sysinfo->n_blockdevs)
380 /* find the device for our boot image, by finding the longest
381 * matching blockdev's mountpoint */
382 for (len = 0, i = 0, bd_info = NULL; i < sysinfo->n_blockdevs; i++) {
383 tmp = sysinfo->blockdevs[i];
384 if (!path_on_device(tmp, bd->image))
386 if (strlen(tmp->mountpoint) <= len)
389 len = strlen(tmp->mountpoint);
395 /* ensure that other paths are on this device */
396 if (bd->initrd && !path_on_device(bd_info, bd->initrd))
399 if (bd->dtb && !path_on_device(bd_info, bd->dtb))
402 /* ok, we match; preselect the device option, and remove the common
404 boot_editor->selected_device = bd_info->name;
405 boot_editor->image += len;
407 if (boot_editor->initrd)
408 boot_editor->initrd += len;
409 if (boot_editor->dtb)
410 boot_editor->dtb += len;
413 static void boot_editor_setup_widgets(struct boot_editor *boot_editor,
414 const struct system_info *sysinfo)
416 struct nc_widgetset *set;
419 field_size = COLS - 1 - boot_editor->field_x;
421 boot_editor->widgetset = set = widgetset_create(boot_editor,
422 boot_editor->scr.main_ncw,
425 widgetset_set_widget_focus(boot_editor->widgetset,
426 boot_editor_widget_focus, boot_editor);
428 boot_editor->widgets.device_l = widget_new_label(set, 0, 0, "device:");
429 boot_editor->widgets.device_f = widget_new_select(set, 0, 0,
431 widget_select_on_change(boot_editor->widgets.device_f,
432 boot_editor_device_select_change, boot_editor);
434 boot_editor_populate_device_select(boot_editor, sysinfo);
436 boot_editor->widgets.image_l = widget_new_label(set, 0, 0, "image:");
437 boot_editor->widgets.image_f = widget_new_textbox(set, 0, 0,
438 field_size, boot_editor->image);
440 boot_editor->widgets.initrd_l = widget_new_label(set, 0, 0, "initrd:");
441 boot_editor->widgets.initrd_f = widget_new_textbox(set, 0, 0,
443 boot_editor->initrd);
445 boot_editor->widgets.dtb_l = widget_new_label(set, 0, 0, "dtb:");
446 boot_editor->widgets.dtb_f = widget_new_textbox(set, 0, 0,
447 field_size, boot_editor->dtb);
449 boot_editor->widgets.args_l = widget_new_label(set, 0, 0, "args:");
450 boot_editor->widgets.args_f = widget_new_textbox(set, 0, 0,
451 field_size, boot_editor->args);
453 boot_editor->widgets.ok_b = widget_new_button(set, 0, 0, 6,
454 "OK", ok_click, boot_editor);
455 boot_editor->widgets.cancel_b = widget_new_button(set, 0, 0, 6,
456 "Cancel", cancel_click, boot_editor);
459 void boot_editor_update(struct boot_editor *boot_editor,
460 const struct system_info *sysinfo)
464 widgetset_unpost(boot_editor->widgetset);
466 height = pad_height(sysinfo ? sysinfo->n_blockdevs : 0);
467 if (getmaxy(boot_editor->pad) < height) {
468 delwin(boot_editor->pad);
469 boot_editor->pad = newpad(height, COLS);
470 widgetset_set_windows(boot_editor->widgetset,
471 boot_editor->scr.main_ncw,
475 boot_editor_populate_device_select(boot_editor, sysinfo);
477 boot_editor_layout_widgets(boot_editor);
479 widgetset_post(boot_editor->widgetset);
481 pad_refresh(boot_editor);
484 struct boot_editor *boot_editor_init(struct cui *cui,
485 struct pmenu_item *item,
486 const struct system_info *sysinfo,
487 void (*on_exit)(struct cui *cui,
488 struct pmenu_item *item,
489 struct pb_boot_data *bd))
491 struct boot_editor *boot_editor;
493 boot_editor = talloc_zero(cui, struct boot_editor);
498 talloc_set_destructor(boot_editor, boot_editor_destructor);
499 boot_editor->cui = cui;
500 boot_editor->item = item;
501 boot_editor->on_exit = on_exit;
502 boot_editor->state = STATE_EDIT;
504 boot_editor->label_x = 1;
505 boot_editor->field_x = 9;
507 nc_scr_init(&boot_editor->scr, pb_boot_editor_sig, 0,
508 cui, boot_editor_process_key,
509 boot_editor_post, boot_editor_unpost, boot_editor_resize);
511 boot_editor->scr.frame.ltitle = talloc_strdup(boot_editor,
512 "Petitboot Option Editor");
513 boot_editor->scr.frame.rtitle = NULL;
514 boot_editor->scr.frame.help = talloc_strdup(boot_editor,
516 nc_scr_frame_draw(&boot_editor->scr);
519 struct pb_boot_data *bd = cod_from_item(item)->bd;
520 boot_editor->image = bd->image;
521 boot_editor->initrd = bd->initrd;
522 boot_editor->dtb = bd->dtb;
523 boot_editor->args = bd->args;
524 boot_editor_find_device(boot_editor, bd, sysinfo);
526 boot_editor->image = boot_editor->initrd =
527 boot_editor->dtb = boot_editor->args = "";
530 boot_editor->pad = newpad(
531 pad_height(sysinfo ? sysinfo->n_blockdevs : 0),
534 boot_editor_setup_widgets(boot_editor, sysinfo);
536 boot_editor_layout_widgets(boot_editor);
537 wrefresh(boot_editor->scr.main_ncw);