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
27 #include "talloc/talloc.h"
28 #include "nc-boot-editor.h"
29 #include "nc-widgets.h"
35 struct pmenu_item *item;
36 void (*on_exit)(struct cui *cui,
37 struct pmenu_item *item,
38 struct pb_boot_data *bd);
45 struct nc_widgetset *widgetset;
47 struct nc_widget_label *device_l;
48 struct nc_widget_select *device_f;
49 struct nc_widget_label *image_l;
50 struct nc_widget_textbox *image_f;
51 struct nc_widget_label *initrd_l;
52 struct nc_widget_textbox *initrd_f;
53 struct nc_widget_label *dtb_l;
54 struct nc_widget_textbox *dtb_f;
55 struct nc_widget_label *args_l;
56 struct nc_widget_textbox *args_f;
57 struct nc_widget_button *ok_b;
58 struct nc_widget_button *cancel_b;
61 const char *selected_device;
68 static struct boot_editor *boot_editor_from_scr(struct nc_scr *scr)
70 struct boot_editor *boot_editor;
72 assert(scr->sig == pb_boot_editor_sig);
73 boot_editor = (struct boot_editor *)
74 ((char *)scr - (size_t)&((struct boot_editor *)0)->scr);
75 assert(boot_editor->scr.sig == pb_boot_editor_sig);
79 static void pad_refresh(struct boot_editor *boot_editor)
83 getmaxyx(boot_editor->scr.sub_ncw, rows, cols);
84 getbegyx(boot_editor->scr.sub_ncw, y, x);
86 prefresh(boot_editor->pad, boot_editor->scroll_y, 0,
90 static struct boot_editor *boot_editor_from_arg(void *arg)
92 struct boot_editor *boot_editor = arg;
94 assert(boot_editor->scr.sig == pb_boot_editor_sig);
98 static int boot_editor_post(struct nc_scr *scr)
100 struct boot_editor *boot_editor = boot_editor_from_scr(scr);
102 widgetset_post(boot_editor->widgetset);
103 nc_scr_frame_draw(scr);
104 pad_refresh(boot_editor);
108 static int boot_editor_unpost(struct nc_scr *scr)
110 widgetset_unpost(boot_editor_from_scr(scr)->widgetset);
114 struct nc_scr *boot_editor_scr(struct boot_editor *boot_editor)
116 return &boot_editor->scr;
119 static void boot_editor_resize(struct nc_scr *scr)
121 /* FIXME: forms can't be resized, need to recreate here */
122 boot_editor_unpost(scr);
123 boot_editor_post(scr);
126 static char *conditional_prefix(struct pb_boot_data *ctx,
127 const char *prefix, const char *value)
131 if (!value || !*value)
137 else if (prefix[strlen(prefix)] != '/')
140 return talloc_asprintf(ctx, "%s%s%s", prefix, sep, value);
143 static struct pb_boot_data *boot_editor_prepare_data(
144 struct boot_editor *boot_editor)
146 struct pb_boot_data *bd;
150 bd = talloc(boot_editor, struct pb_boot_data);
155 idx = widget_select_get_value(boot_editor->widgets.device_f);
156 if (idx == -1 || (unsigned int)idx >
157 boot_editor->cui->sysinfo->n_blockdevs)
160 prefix = boot_editor->cui->sysinfo->blockdevs[idx]->mountpoint;
162 s = widget_textbox_get_value(boot_editor->widgets.image_f);
163 bd->image = conditional_prefix(bd, prefix, s);
165 s = widget_textbox_get_value(boot_editor->widgets.initrd_f);
166 bd->initrd = conditional_prefix(bd, prefix, s);
168 s = widget_textbox_get_value(boot_editor->widgets.dtb_f);
169 bd->dtb = conditional_prefix(bd, prefix, s);
171 s = widget_textbox_get_value(boot_editor->widgets.args_f);
172 bd->args = *s ? talloc_strdup(bd, s) : NULL;
178 * boot_editor_process_key - Process a user keystroke.
180 * Called from the cui via the scr:process_key method.
183 static void boot_editor_process_key(struct nc_scr *scr, int key)
185 struct boot_editor *boot_editor = boot_editor_from_scr(scr);
188 handled = widgetset_process_key(boot_editor->widgetset, key);
190 pad_refresh(boot_editor);
197 boot_editor->on_exit(boot_editor->cui, NULL, NULL);
203 * boot_editor_destructor - The talloc destructor for a boot_editor.
206 static int boot_editor_destructor(void *arg)
208 struct boot_editor *boot_editor = boot_editor_from_arg(arg);
209 boot_editor->scr.sig = pb_removed_sig;
210 if (boot_editor->pad)
211 delwin(boot_editor->pad);
215 static void ok_click(void *arg)
217 struct boot_editor *boot_editor = arg;
218 struct pb_boot_data *bd;
220 bd = boot_editor_prepare_data(boot_editor);
221 boot_editor->on_exit(boot_editor->cui, boot_editor->item, bd);
224 static void cancel_click(void *arg)
226 struct boot_editor *boot_editor = arg;
227 boot_editor->on_exit(boot_editor->cui, NULL, NULL);
230 static int layout_pair(struct boot_editor *boot_editor, int y,
231 struct nc_widget_label *label,
232 struct nc_widget_textbox *field)
234 struct nc_widget *label_w = widget_label_base(label);
235 struct nc_widget *field_w = widget_textbox_base(field);
236 widget_move(label_w, y, boot_editor->label_x);
237 widget_move(field_w, y, boot_editor->field_x);
238 return max(widget_height(label_w), widget_height(field_w));
241 static int pad_height(int blockdevs_height)
243 return 10 + blockdevs_height;
246 static void boot_editor_layout_widgets(struct boot_editor *boot_editor)
248 struct nc_widget *wf, *wl;
251 wl = widget_label_base(boot_editor->widgets.device_l);
252 wf = widget_select_base(boot_editor->widgets.device_f);
253 widget_move(wl, y, boot_editor->label_x);
254 widget_move(wf, y, boot_editor->field_x);
256 y += widget_height(wf) + 1;
259 y += layout_pair(boot_editor, y, boot_editor->widgets.image_l,
260 boot_editor->widgets.image_f);
262 y += layout_pair(boot_editor, y, boot_editor->widgets.initrd_l,
263 boot_editor->widgets.initrd_f);
265 y += layout_pair(boot_editor, y, boot_editor->widgets.dtb_l,
266 boot_editor->widgets.dtb_f);
268 y += layout_pair(boot_editor, y, boot_editor->widgets.args_l,
269 boot_editor->widgets.args_f);
273 widget_move(widget_button_base(boot_editor->widgets.ok_b), y, 9);
274 widget_move(widget_button_base(boot_editor->widgets.cancel_b), y, 19);
277 static void boot_editor_widget_focus(struct nc_widget *widget, void *arg)
279 struct boot_editor *boot_editor = arg;
282 w_y = widget_y(widget) + widget_focus_y(widget);
283 s_max = getmaxy(boot_editor->scr.sub_ncw) - 1;
285 if (w_y < boot_editor->scroll_y)
286 boot_editor->scroll_y = w_y;
288 else if (w_y + boot_editor->scroll_y + 1 > s_max)
289 boot_editor->scroll_y = 1 + w_y - s_max;
294 pad_refresh(boot_editor);
297 static void boot_editor_device_select_change(void *arg, int idx)
299 struct boot_editor *boot_editor = arg;
301 boot_editor->selected_device = NULL;
303 boot_editor->selected_device =
304 boot_editor->cui->sysinfo->blockdevs[idx]->name;
307 static void boot_editor_populate_device_select(struct boot_editor *boot_editor,
308 const struct system_info *sysinfo)
310 struct nc_widget_select *select = boot_editor->widgets.device_f;
314 widget_select_drop_options(select);
316 for (i = 0; sysinfo && i < sysinfo->n_blockdevs; i++) {
317 struct blockdev_info *bd_info = sysinfo->blockdevs[i];
320 name = talloc_asprintf(boot_editor, "%s [%s]",
321 bd_info->name, bd_info->uuid);
322 selected = boot_editor->selected_device &&
323 !strcmp(bd_info->name,
324 boot_editor->selected_device);
326 widget_select_add_option(select, i, name, selected);
329 /* If we're editing an existing option, the paths will be fully-
330 * resolved. In this case, we want the manual device pre-selected.
331 * However, we only do this if the widget hasn't been manually
333 selected = !boot_editor->selected_device;
335 widget_select_add_option(select, -1, "Specify paths/URLs manually",
339 static bool path_on_device(struct blockdev_info *bd_info,
344 if (!bd_info->mountpoint)
347 len = strlen(bd_info->mountpoint);
348 if (strncmp(bd_info->mountpoint, path, len))
351 /* if the mountpoint doesn't have a trailing slash, ensure that
352 * the path starts with one (so we don't match a "/mnt/sda1/foo" path
353 * on a "/mnt/sda" mountpoint) */
354 return bd_info->mountpoint[len-1] == '/' || path[len] == '/';
358 static void boot_editor_find_device(struct boot_editor *boot_editor,
359 struct pb_boot_data *bd, const struct system_info *sysinfo)
361 struct blockdev_info *bd_info, *tmp;
364 if (!sysinfo || !sysinfo->n_blockdevs)
367 /* find the device for our boot image, by finding the longest
368 * matching blockdev's mountpoint */
369 for (len = 0, i = 0, bd_info = NULL; i < sysinfo->n_blockdevs; i++) {
370 tmp = sysinfo->blockdevs[i];
371 if (!path_on_device(tmp, bd->image))
373 if (strlen(tmp->mountpoint) <= len)
376 len = strlen(tmp->mountpoint);
382 /* ensure that other paths are on this device */
383 if (bd->initrd && !path_on_device(bd_info, bd->initrd))
386 if (bd->dtb && !path_on_device(bd_info, bd->dtb))
389 /* ok, we match; preselect the device option, and remove the common
391 boot_editor->selected_device = bd_info->name;
392 boot_editor->image += len;
394 if (boot_editor->initrd)
395 boot_editor->initrd += len;
396 if (boot_editor->dtb)
397 boot_editor->dtb += len;
400 static void boot_editor_setup_widgets(struct boot_editor *boot_editor,
401 const struct system_info *sysinfo)
403 struct nc_widgetset *set;
406 field_size = COLS - 1 - boot_editor->field_x;
408 boot_editor->widgetset = set = widgetset_create(boot_editor,
409 boot_editor->scr.main_ncw,
412 widgetset_set_widget_focus(boot_editor->widgetset,
413 boot_editor_widget_focus, boot_editor);
415 boot_editor->widgets.device_l = widget_new_label(set, 0, 0, "device:");
416 boot_editor->widgets.device_f = widget_new_select(set, 0, 0,
418 widget_select_on_change(boot_editor->widgets.device_f,
419 boot_editor_device_select_change, boot_editor);
421 boot_editor_populate_device_select(boot_editor, sysinfo);
423 boot_editor->widgets.image_l = widget_new_label(set, 0, 0, "image:");
424 boot_editor->widgets.image_f = widget_new_textbox(set, 0, 0,
425 field_size, boot_editor->image);
427 boot_editor->widgets.initrd_l = widget_new_label(set, 0, 0, "initrd:");
428 boot_editor->widgets.initrd_f = widget_new_textbox(set, 0, 0,
430 boot_editor->initrd);
432 boot_editor->widgets.dtb_l = widget_new_label(set, 0, 0, "dtb:");
433 boot_editor->widgets.dtb_f = widget_new_textbox(set, 0, 0,
434 field_size, boot_editor->dtb);
436 boot_editor->widgets.args_l = widget_new_label(set, 0, 0, "args:");
437 boot_editor->widgets.args_f = widget_new_textbox(set, 0, 0,
438 field_size, boot_editor->args);
440 boot_editor->widgets.ok_b = widget_new_button(set, 0, 0, 6,
441 "OK", ok_click, boot_editor);
442 boot_editor->widgets.cancel_b = widget_new_button(set, 0, 0, 6,
443 "Cancel", cancel_click, boot_editor);
446 void boot_editor_update(struct boot_editor *boot_editor,
447 const struct system_info *sysinfo)
451 widgetset_unpost(boot_editor->widgetset);
453 height = pad_height(sysinfo ? sysinfo->n_blockdevs : 0);
454 if (getmaxy(boot_editor->pad) < height) {
455 delwin(boot_editor->pad);
456 boot_editor->pad = newpad(height, COLS);
457 widgetset_set_windows(boot_editor->widgetset,
458 boot_editor->scr.main_ncw,
462 boot_editor_populate_device_select(boot_editor, sysinfo);
464 widgetset_post(boot_editor->widgetset);
466 pad_refresh(boot_editor);
469 struct boot_editor *boot_editor_init(struct cui *cui,
470 struct pmenu_item *item,
471 const struct system_info *sysinfo,
472 void (*on_exit)(struct cui *cui,
473 struct pmenu_item *item,
474 struct pb_boot_data *bd))
476 struct boot_editor *boot_editor;
478 boot_editor = talloc_zero(cui, struct boot_editor);
483 talloc_set_destructor(boot_editor, boot_editor_destructor);
484 boot_editor->cui = cui;
485 boot_editor->item = item;
486 boot_editor->on_exit = on_exit;
488 boot_editor->label_x = 1;
489 boot_editor->field_x = 9;
491 nc_scr_init(&boot_editor->scr, pb_boot_editor_sig, 0,
492 cui, boot_editor_process_key,
493 boot_editor_post, boot_editor_unpost, boot_editor_resize);
495 boot_editor->scr.frame.ltitle = talloc_strdup(boot_editor,
496 "Petitboot Option Editor");
497 boot_editor->scr.frame.rtitle = NULL;
498 boot_editor->scr.frame.help = talloc_strdup(boot_editor,
502 struct pb_boot_data *bd = cod_from_item(item)->bd;
503 boot_editor->image = bd->image;
504 boot_editor->initrd = bd->initrd;
505 boot_editor->dtb = bd->dtb;
506 boot_editor->args = bd->args;
507 boot_editor_find_device(boot_editor, bd, sysinfo);
509 boot_editor->image = boot_editor->initrd =
510 boot_editor->dtb = boot_editor->args = "";
513 boot_editor->pad = newpad(
514 pad_height(sysinfo ? sysinfo->n_blockdevs : 0),
517 boot_editor_setup_widgets(boot_editor, sysinfo);
519 boot_editor_layout_widgets(boot_editor);