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;
64 static struct boot_editor *boot_editor_from_scr(struct nc_scr *scr)
66 struct boot_editor *boot_editor;
68 assert(scr->sig == pb_boot_editor_sig);
69 boot_editor = (struct boot_editor *)
70 ((char *)scr - (size_t)&((struct boot_editor *)0)->scr);
71 assert(boot_editor->scr.sig == pb_boot_editor_sig);
75 static void pad_refresh(struct boot_editor *boot_editor)
79 getmaxyx(boot_editor->scr.sub_ncw, rows, cols);
80 getbegyx(boot_editor->scr.sub_ncw, y, x);
82 prefresh(boot_editor->pad, boot_editor->scroll_y, 0,
86 static struct boot_editor *boot_editor_from_arg(void *arg)
88 struct boot_editor *boot_editor = arg;
90 assert(boot_editor->scr.sig == pb_boot_editor_sig);
94 static int boot_editor_post(struct nc_scr *scr)
96 struct boot_editor *boot_editor = boot_editor_from_scr(scr);
98 widgetset_post(boot_editor->widgetset);
99 nc_scr_frame_draw(scr);
100 pad_refresh(boot_editor);
104 static int boot_editor_unpost(struct nc_scr *scr)
106 widgetset_unpost(boot_editor_from_scr(scr)->widgetset);
110 struct nc_scr *boot_editor_scr(struct boot_editor *boot_editor)
112 return &boot_editor->scr;
115 static void boot_editor_resize(struct nc_scr *scr)
117 /* FIXME: forms can't be resized, need to recreate here */
118 boot_editor_unpost(scr);
119 boot_editor_post(scr);
122 static char *conditional_prefix(struct pb_boot_data *ctx,
123 const char *prefix, const char *value)
127 if (!value || !*value)
133 else if (prefix[strlen(prefix)] != '/')
136 return talloc_asprintf(ctx, "%s%s%s", prefix, sep, value);
139 static struct pb_boot_data *boot_editor_prepare_data(
140 struct boot_editor *boot_editor)
142 struct pb_boot_data *bd;
146 bd = talloc(boot_editor, struct pb_boot_data);
151 idx = widget_select_get_value(boot_editor->widgets.device_f);
152 if (idx == -1 || (unsigned int)idx >
153 boot_editor->cui->sysinfo->n_blockdevs)
156 prefix = boot_editor->cui->sysinfo->blockdevs[idx]->mountpoint;
158 s = widget_textbox_get_value(boot_editor->widgets.image_f);
159 bd->image = conditional_prefix(bd, prefix, s);
161 s = widget_textbox_get_value(boot_editor->widgets.initrd_f);
162 bd->initrd = conditional_prefix(bd, prefix, s);
164 s = widget_textbox_get_value(boot_editor->widgets.dtb_f);
165 bd->dtb = conditional_prefix(bd, prefix, s);
167 s = widget_textbox_get_value(boot_editor->widgets.args_f);
168 bd->args = *s ? talloc_strdup(bd, s) : NULL;
174 * boot_editor_process_key - Process a user keystroke.
176 * Called from the cui via the scr:process_key method.
179 static void boot_editor_process_key(struct nc_scr *scr, int key)
181 struct boot_editor *boot_editor = boot_editor_from_scr(scr);
184 handled = widgetset_process_key(boot_editor->widgetset, key);
186 pad_refresh(boot_editor);
193 boot_editor->on_exit(boot_editor->cui, NULL, NULL);
199 * boot_editor_destructor - The talloc destructor for a boot_editor.
202 static int boot_editor_destructor(void *arg)
204 struct boot_editor *boot_editor = boot_editor_from_arg(arg);
205 boot_editor->scr.sig = pb_removed_sig;
206 if (boot_editor->pad)
207 delwin(boot_editor->pad);
211 static void ok_click(void *arg)
213 struct boot_editor *boot_editor = arg;
214 struct pb_boot_data *bd;
216 bd = boot_editor_prepare_data(boot_editor);
217 boot_editor->on_exit(boot_editor->cui, boot_editor->item, bd);
220 static void cancel_click(void *arg)
222 struct boot_editor *boot_editor = arg;
223 boot_editor->on_exit(boot_editor->cui, NULL, NULL);
226 static int layout_pair(struct boot_editor *boot_editor, int y,
227 struct nc_widget_label *label,
228 struct nc_widget_textbox *field)
230 struct nc_widget *label_w = widget_label_base(label);
231 struct nc_widget *field_w = widget_textbox_base(field);
232 widget_move(label_w, y, boot_editor->label_x);
233 widget_move(field_w, y, boot_editor->field_x);
234 return max(widget_height(label_w), widget_height(field_w));
237 static int pad_height(int blockdevs_height)
239 return 10 + blockdevs_height;
242 static void boot_editor_layout_widgets(struct boot_editor *boot_editor)
244 struct nc_widget *wf, *wl;
247 wl = widget_label_base(boot_editor->widgets.device_l);
248 wf = widget_select_base(boot_editor->widgets.device_f);
249 widget_move(wl, y, boot_editor->label_x);
250 widget_move(wf, y, boot_editor->field_x);
252 y += widget_height(wf) + 1;
255 y += layout_pair(boot_editor, y, boot_editor->widgets.image_l,
256 boot_editor->widgets.image_f);
258 y += layout_pair(boot_editor, y, boot_editor->widgets.initrd_l,
259 boot_editor->widgets.initrd_f);
261 y += layout_pair(boot_editor, y, boot_editor->widgets.dtb_l,
262 boot_editor->widgets.dtb_f);
264 y += layout_pair(boot_editor, y, boot_editor->widgets.args_l,
265 boot_editor->widgets.args_f);
269 widget_move(widget_button_base(boot_editor->widgets.ok_b), y, 9);
270 widget_move(widget_button_base(boot_editor->widgets.cancel_b), y, 19);
272 pad_refresh(boot_editor);
275 static void boot_editor_widget_focus(struct nc_widget *widget, void *arg)
277 struct boot_editor *boot_editor = arg;
278 int w_y, w_height, s_max;
280 w_y = widget_y(widget);
281 w_height = widget_height(widget);
282 s_max = getmaxy(boot_editor->scr.sub_ncw);
284 if (w_y < boot_editor->scroll_y)
285 boot_editor->scroll_y = w_y;
287 else if (w_y + w_height + boot_editor->scroll_y > s_max - 1)
288 boot_editor->scroll_y = 1 + w_y + w_height - s_max;
293 pad_refresh(boot_editor);
296 static void boot_editor_device_select_change(void *arg, int idx)
298 struct boot_editor *boot_editor = arg;
300 boot_editor->selected_device = NULL;
302 boot_editor->selected_device =
303 boot_editor->cui->sysinfo->blockdevs[idx]->name;
306 static void boot_editor_populate_device_select(struct boot_editor *boot_editor,
307 const struct system_info *sysinfo)
309 struct nc_widget_select *select = boot_editor->widgets.device_f;
313 widget_select_drop_options(select);
315 for (i = 0; i < sysinfo->n_blockdevs; i++) {
316 struct blockdev_info *bd_info = sysinfo->blockdevs[i];
319 name = talloc_asprintf(boot_editor, "%s [%s]",
320 bd_info->name, bd_info->uuid);
321 selected = boot_editor->selected_device &&
322 !strcmp(bd_info->name,
323 boot_editor->selected_device);
325 widget_select_add_option(boot_editor->widgets.device_f,
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(boot_editor->widgets.device_f,
336 -1, "Specify paths/URLs manually", selected);
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,
360 char **image, char **initrd, char **dtb)
362 struct blockdev_info *bd_info, *tmp;
365 if (!sysinfo || !sysinfo->n_blockdevs)
368 /* find the device for our boot image, by finding the longest
369 * matching blockdev's mountpoint */
370 for (len = 0, i = 0, bd_info = NULL; i < sysinfo->n_blockdevs; i++) {
371 tmp = sysinfo->blockdevs[i];
372 if (!path_on_device(tmp, bd->image))
374 if (strlen(tmp->mountpoint) <= len)
377 len = strlen(tmp->mountpoint);
383 /* ensure that other paths are on this device */
384 if (bd->initrd && !path_on_device(bd_info, bd->initrd))
387 if (bd->dtb && !path_on_device(bd_info, bd->dtb))
390 /* ok, we match; preselect the device option, and remove the common
392 boot_editor->selected_device = bd_info->name;
401 struct boot_editor *boot_editor_init(struct cui *cui,
402 struct pmenu_item *item,
403 const struct system_info *sysinfo,
404 void (*on_exit)(struct cui *cui,
405 struct pmenu_item *item,
406 struct pb_boot_data *bd))
408 char *image, *initrd, *dtb, *args;
409 struct boot_editor *boot_editor;
410 struct nc_widgetset *set;
415 boot_editor = talloc_zero(cui, struct boot_editor);
420 talloc_set_destructor(boot_editor, boot_editor_destructor);
421 boot_editor->cui = cui;
422 boot_editor->item = item;
423 boot_editor->on_exit = on_exit;
425 boot_editor->label_x = 1;
426 boot_editor->field_x = 9;
428 nc_scr_init(&boot_editor->scr, pb_boot_editor_sig, 0,
429 cui, boot_editor_process_key,
430 boot_editor_post, boot_editor_unpost, boot_editor_resize);
432 boot_editor->scr.frame.ltitle = talloc_strdup(boot_editor,
433 "Petitboot Option Editor");
434 boot_editor->scr.frame.rtitle = NULL;
435 boot_editor->scr.frame.help = talloc_strdup(boot_editor,
439 struct pb_boot_data *bd = cod_from_item(item)->bd;
444 boot_editor_find_device(boot_editor, bd, sysinfo,
445 &image, &initrd, &dtb);
447 image = initrd = dtb = args = "";
450 field_size = COLS - 1 - boot_editor->field_x;
452 boot_editor->pad = newpad(pad_height(sysinfo->n_blockdevs), COLS);
454 boot_editor->widgetset = set = widgetset_create(boot_editor,
455 boot_editor->scr.main_ncw,
458 widgetset_set_widget_focus(boot_editor->widgetset,
459 boot_editor_widget_focus, boot_editor);
461 boot_editor->widgets.device_l = widget_new_label(set, 0, 0, "device:");
462 boot_editor->widgets.device_f = widget_new_select(set, 0, 0,
464 widget_select_on_change(boot_editor->widgets.device_f,
465 boot_editor_device_select_change, boot_editor);
467 boot_editor_populate_device_select(boot_editor, sysinfo);
469 boot_editor->widgets.image_l = widget_new_label(set, 0, 0, "image:");
470 boot_editor->widgets.image_f = widget_new_textbox(set, 0, 0,
473 boot_editor->widgets.initrd_l = widget_new_label(set, 0, 0, "initrd:");
474 boot_editor->widgets.initrd_f = widget_new_textbox(set, 0, 0,
477 boot_editor->widgets.dtb_l = widget_new_label(set, 0, 0, "dtb:");
478 boot_editor->widgets.dtb_f = widget_new_textbox(set, 0, 0,
481 boot_editor->widgets.args_l = widget_new_label(set, 0, 0, "args:");
482 boot_editor->widgets.args_f = widget_new_textbox(set, 0, 0,
485 boot_editor->widgets.ok_b = widget_new_button(set, 0, 0, 6,
486 "OK", ok_click, boot_editor);
487 boot_editor->widgets.cancel_b = widget_new_button(set, 0, 0, 6,
488 "Cancel", cancel_click, boot_editor);
490 boot_editor_layout_widgets(boot_editor);