* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
+#if defined(HAVE_CONFIG_H)
#include "config.h"
-
-#define _GNU_SOURCE
+#endif
#include <assert.h>
#include <string.h>
struct cui *cui;
void *data;
struct pmenu_item *item;
+ enum {
+ STATE_EDIT,
+ STATE_CANCEL,
+ STATE_SAVE,
+ STATE_HELP,
+ } state;
void (*on_exit)(struct cui *cui,
struct pmenu_item *item,
struct pb_boot_data *bd);
int label_x;
int field_x;
+ int scroll_y;
+ WINDOW *pad;
struct nc_widgetset *widgetset;
struct {
struct nc_widget_label *device_l;
struct nc_widget_label *args_l;
struct nc_widget_textbox *args_f;
struct nc_widget_button *ok_b;
+ struct nc_widget_button *help_b;
struct nc_widget_button *cancel_b;
} widgets;
const char *selected_device;
+ char *image;
+ char *initrd;
+ char *dtb;
+ char *args;
};
+extern const char *boot_editor_help_text;
+
static struct boot_editor *boot_editor_from_scr(struct nc_scr *scr)
{
struct boot_editor *boot_editor;
return boot_editor;
}
+static void pad_refresh(struct boot_editor *boot_editor)
+{
+ int y, x, rows, cols;
+
+ getmaxyx(boot_editor->scr.sub_ncw, rows, cols);
+ getbegyx(boot_editor->scr.sub_ncw, y, x);
+
+ prefresh(boot_editor->pad, boot_editor->scroll_y, 0,
+ y, x, rows, cols);
+}
+
static struct boot_editor *boot_editor_from_arg(void *arg)
{
struct boot_editor *boot_editor = arg;
static int boot_editor_post(struct nc_scr *scr)
{
struct boot_editor *boot_editor = boot_editor_from_scr(scr);
-
widgetset_post(boot_editor->widgetset);
nc_scr_frame_draw(scr);
- redrawwin(boot_editor->scr.main_ncw);
+ redrawwin(scr->main_ncw);
wrefresh(boot_editor->scr.main_ncw);
-
+ pad_refresh(boot_editor);
return 0;
}
if (!value || !*value)
return NULL;
- sep = NULL;
+ sep = "";
if (!prefix)
prefix = "";
else if (prefix[strlen(prefix)] != '/')
static void boot_editor_process_key(struct nc_scr *scr, int key)
{
struct boot_editor *boot_editor = boot_editor_from_scr(scr);
+ struct pmenu_item *item;
+ struct pb_boot_data *bd;
bool handled;
handled = widgetset_process_key(boot_editor->widgetset, key);
- if (handled) {
- wrefresh(boot_editor->scr.main_ncw);
- return;
- }
-
- switch (key) {
- case 'x':
- case 27: /* ESC */
- boot_editor->on_exit(boot_editor->cui, NULL, NULL);
- nc_flush_keys();
+ if (handled)
+ pad_refresh(boot_editor);
+
+ else if (key == 'x' || key == 27)
+ boot_editor->state = STATE_CANCEL;
+
+ else if (key == 'h')
+ boot_editor->state = STATE_HELP;
+
+ item = NULL;
+ bd = NULL;
+
+ switch (boot_editor->state) {
+ case STATE_SAVE:
+ item = boot_editor->item;
+ bd = boot_editor_prepare_data(boot_editor);
+ /* fall through */
+ case STATE_CANCEL:
+ boot_editor->on_exit(boot_editor->cui, item, bd);
+ break;
+ case STATE_HELP:
+ boot_editor->state = STATE_EDIT;
+ cui_show_help(boot_editor->cui, "Boot Option Editor",
+ boot_editor_help_text);
+ break;
+ default:
+ break;
}
}
{
struct boot_editor *boot_editor = boot_editor_from_arg(arg);
boot_editor->scr.sig = pb_removed_sig;
+ if (boot_editor->pad)
+ delwin(boot_editor->pad);
return 0;
}
static void ok_click(void *arg)
{
struct boot_editor *boot_editor = arg;
- struct pb_boot_data *bd;
+ boot_editor->state = STATE_SAVE;
+}
- bd = boot_editor_prepare_data(boot_editor);
- boot_editor->on_exit(boot_editor->cui, boot_editor->item, bd);
+static void help_click(void *arg)
+{
+ struct boot_editor *boot_editor = arg;
+ boot_editor->state = STATE_HELP;
}
static void cancel_click(void *arg)
{
struct boot_editor *boot_editor = arg;
- boot_editor->on_exit(boot_editor->cui, NULL, NULL);
+ boot_editor->state = STATE_CANCEL;
}
static int layout_pair(struct boot_editor *boot_editor, int y,
return max(widget_height(label_w), widget_height(field_w));
}
+static int pad_height(int blockdevs_height)
+{
+ return 10 + blockdevs_height;
+}
+
static void boot_editor_layout_widgets(struct boot_editor *boot_editor)
{
struct nc_widget *wf, *wl;
y++;
widget_move(widget_button_base(boot_editor->widgets.ok_b), y, 9);
- widget_move(widget_button_base(boot_editor->widgets.cancel_b), y, 19);
+ widget_move(widget_button_base(boot_editor->widgets.help_b), y, 19);
+ widget_move(widget_button_base(boot_editor->widgets.cancel_b), y, 29);
+}
+
+static void boot_editor_widget_focus(struct nc_widget *widget, void *arg)
+{
+ struct boot_editor *boot_editor = arg;
+ int w_y, s_max;
+
+ w_y = widget_y(widget) + widget_focus_y(widget);
+ s_max = getmaxy(boot_editor->scr.sub_ncw) - 1;
+
+ if (w_y < boot_editor->scroll_y)
+ boot_editor->scroll_y = w_y;
+
+ else if (w_y + boot_editor->scroll_y + 1 > s_max)
+ boot_editor->scroll_y = 1 + w_y - s_max;
+
+ else
+ return;
+
+ pad_refresh(boot_editor);
}
static void boot_editor_device_select_change(void *arg, int idx)
widget_select_drop_options(select);
- for (i = 0; i < sysinfo->n_blockdevs; i++) {
+ for (i = 0; sysinfo && i < sysinfo->n_blockdevs; i++) {
struct blockdev_info *bd_info = sysinfo->blockdevs[i];
const char *name;
!strcmp(bd_info->name,
boot_editor->selected_device);
- widget_select_add_option(boot_editor->widgets.device_f,
- i, name, selected);
+ widget_select_add_option(select, i, name, selected);
}
/* If we're editing an existing option, the paths will be fully-
* resolved. In this case, we want the manual device pre-selected.
* However, we only do this if the widget hasn't been manually
* changed. */
- selected = boot_editor->item && !boot_editor->selected_device;
+ selected = !boot_editor->selected_device;
+
+ widget_select_add_option(select, -1, "Specify paths/URLs manually",
+ selected);
+}
+
+static bool path_on_device(struct blockdev_info *bd_info,
+ const char *path)
+{
+ int len;
+
+ if (!bd_info->mountpoint)
+ return false;
+
+ len = strlen(bd_info->mountpoint);
+ if (strncmp(bd_info->mountpoint, path, len))
+ return false;
+
+ /* if the mountpoint doesn't have a trailing slash, ensure that
+ * the path starts with one (so we don't match a "/mnt/sda1/foo" path
+ * on a "/mnt/sda" mountpoint) */
+ return bd_info->mountpoint[len-1] == '/' || path[len] == '/';
+}
+
+
+static void boot_editor_find_device(struct boot_editor *boot_editor,
+ struct pb_boot_data *bd, const struct system_info *sysinfo)
+{
+ struct blockdev_info *bd_info, *tmp;
+ unsigned int i, len;
+
+ if (!sysinfo || !sysinfo->n_blockdevs)
+ return;
+
+ /* find the device for our boot image, by finding the longest
+ * matching blockdev's mountpoint */
+ for (len = 0, i = 0, bd_info = NULL; i < sysinfo->n_blockdevs; i++) {
+ tmp = sysinfo->blockdevs[i];
+ if (!path_on_device(tmp, bd->image))
+ continue;
+ if (strlen(tmp->mountpoint) <= len)
+ continue;
+ bd_info = tmp;
+ len = strlen(tmp->mountpoint);
+ }
+
+ if (!bd_info)
+ return;
+
+ /* ensure that other paths are on this device */
+ if (bd->initrd && !path_on_device(bd_info, bd->initrd))
+ return;
+
+ if (bd->dtb && !path_on_device(bd_info, bd->dtb))
+ return;
+
+ /* ok, we match; preselect the device option, and remove the common
+ * prefix */
+ boot_editor->selected_device = bd_info->name;
+ boot_editor->image += len;
+
+ if (boot_editor->initrd)
+ boot_editor->initrd += len;
+ if (boot_editor->dtb)
+ boot_editor->dtb += len;
+}
+
+static void boot_editor_setup_widgets(struct boot_editor *boot_editor,
+ const struct system_info *sysinfo)
+{
+ struct nc_widgetset *set;
+ int field_size;
+
+ field_size = COLS - 1 - boot_editor->field_x;
+
+ boot_editor->widgetset = set = widgetset_create(boot_editor,
+ boot_editor->scr.main_ncw,
+ boot_editor->pad);
+
+ widgetset_set_widget_focus(boot_editor->widgetset,
+ boot_editor_widget_focus, boot_editor);
+
+ boot_editor->widgets.device_l = widget_new_label(set, 0, 0, "Device:");
+ boot_editor->widgets.device_f = widget_new_select(set, 0, 0,
+ field_size);
+ widget_select_on_change(boot_editor->widgets.device_f,
+ boot_editor_device_select_change, boot_editor);
+
+ boot_editor_populate_device_select(boot_editor, sysinfo);
+
+ boot_editor->widgets.image_l = widget_new_label(set, 0, 0,
+ "Kernel:");
+ boot_editor->widgets.image_f = widget_new_textbox(set, 0, 0,
+ field_size, boot_editor->image);
+
+ boot_editor->widgets.initrd_l = widget_new_label(set, 0, 0,
+ "Initrd:");
+ boot_editor->widgets.initrd_f = widget_new_textbox(set, 0, 0,
+ field_size,
+ boot_editor->initrd);
+
+ boot_editor->widgets.dtb_l = widget_new_label(set, 0, 0,
+ "Device tree:");
+ boot_editor->widgets.dtb_f = widget_new_textbox(set, 0, 0,
+ field_size, boot_editor->dtb);
- widget_select_add_option(boot_editor->widgets.device_f,
- -1, "Specify paths/URLs manually", selected);
+ boot_editor->widgets.args_l = widget_new_label(set, 0, 0,
+ "Boot arguments:");
+ boot_editor->widgets.args_f = widget_new_textbox(set, 0, 0,
+ field_size, boot_editor->args);
+
+ boot_editor->widgets.ok_b = widget_new_button(set, 0, 0, 6,
+ "OK", ok_click, boot_editor);
+ boot_editor->widgets.help_b = widget_new_button(set, 0, 0, 6,
+ "Help", help_click, boot_editor);
+ boot_editor->widgets.cancel_b = widget_new_button(set, 0, 0, 6,
+ "Cancel", cancel_click, boot_editor);
+}
+
+void boot_editor_update(struct boot_editor *boot_editor,
+ const struct system_info *sysinfo)
+{
+ int height;
+
+ widgetset_unpost(boot_editor->widgetset);
+
+ height = pad_height(sysinfo ? sysinfo->n_blockdevs : 0);
+ if (getmaxy(boot_editor->pad) < height) {
+ delwin(boot_editor->pad);
+ boot_editor->pad = newpad(height, COLS);
+ widgetset_set_windows(boot_editor->widgetset,
+ boot_editor->scr.main_ncw,
+ boot_editor->pad);
+ }
+
+ boot_editor_populate_device_select(boot_editor, sysinfo);
+
+ boot_editor_layout_widgets(boot_editor);
+
+ widgetset_post(boot_editor->widgetset);
+
+ pad_refresh(boot_editor);
}
struct boot_editor *boot_editor_init(struct cui *cui,
struct pmenu_item *item,
struct pb_boot_data *bd))
{
- char *image, *initrd, *dtb, *args;
struct boot_editor *boot_editor;
- struct nc_widgetset *set;
- int field_size;
-
- (void)sysinfo;
boot_editor = talloc_zero(cui, struct boot_editor);
boot_editor->cui = cui;
boot_editor->item = item;
boot_editor->on_exit = on_exit;
+ boot_editor->state = STATE_EDIT;
boot_editor->label_x = 1;
- boot_editor->field_x = 9;
+ boot_editor->field_x = 17;
nc_scr_init(&boot_editor->scr, pb_boot_editor_sig, 0,
cui, boot_editor_process_key,
"Petitboot Option Editor");
boot_editor->scr.frame.rtitle = NULL;
boot_editor->scr.frame.help = talloc_strdup(boot_editor,
- "Enter=accept");
+ "tab=next, shift+tab=previous, x=exit, h=help");
+ nc_scr_frame_draw(&boot_editor->scr);
if (item) {
struct pb_boot_data *bd = cod_from_item(item)->bd;
- image = bd->image;
- initrd = bd->initrd;
- dtb = bd->dtb;
- args = bd->args;
+ boot_editor->image = bd->image;
+ boot_editor->initrd = bd->initrd;
+ boot_editor->dtb = bd->dtb;
+ boot_editor->args = bd->args;
+ boot_editor_find_device(boot_editor, bd, sysinfo);
} else {
- image = initrd = dtb = args = "";
+ boot_editor->image = boot_editor->initrd =
+ boot_editor->dtb = boot_editor->args = "";
}
- field_size = COLS - 1 - boot_editor->field_x;
-
- boot_editor->widgetset = set = widgetset_create(boot_editor,
- boot_editor->scr.main_ncw,
- boot_editor->scr.sub_ncw);
+ boot_editor->pad = newpad(
+ pad_height(sysinfo ? sysinfo->n_blockdevs : 0),
+ COLS);
- boot_editor->widgets.device_l = widget_new_label(set, 0, 0, "device:");
- boot_editor->widgets.device_f = widget_new_select(set, 0, 0,
- field_size);
- widget_select_on_change(boot_editor->widgets.device_f,
- boot_editor_device_select_change, boot_editor);
-
- boot_editor_populate_device_select(boot_editor, sysinfo);
-
- boot_editor->widgets.image_l = widget_new_label(set, 0, 0, "image:");
- boot_editor->widgets.image_f = widget_new_textbox(set, 0, 0,
- field_size, image);
-
- boot_editor->widgets.initrd_l = widget_new_label(set, 0, 0, "initrd:");
- boot_editor->widgets.initrd_f = widget_new_textbox(set, 0, 0,
- field_size, initrd);
-
- boot_editor->widgets.dtb_l = widget_new_label(set, 0, 0, "dtb:");
- boot_editor->widgets.dtb_f = widget_new_textbox(set, 0, 0,
- field_size, dtb);
-
- boot_editor->widgets.args_l = widget_new_label(set, 0, 0, "args:");
- boot_editor->widgets.args_f = widget_new_textbox(set, 0, 0,
- field_size, args);
-
- boot_editor->widgets.ok_b = widget_new_button(set, 0, 0, 6,
- "OK", ok_click, boot_editor);
- boot_editor->widgets.cancel_b = widget_new_button(set, 0, 0, 6,
- "Cancel", cancel_click, boot_editor);
+ boot_editor_setup_widgets(boot_editor, sysinfo);
boot_editor_layout_widgets(boot_editor);
+ wrefresh(boot_editor->scr.main_ncw);
return boot_editor;
}
projects / petitboot / blobdiff