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cfdisk: properly toggle extra info window, make it more robust 

Signed-off-by: Karel Zak <kzak@redhat.com>
This commit is contained in:
Karel Zak 2015-07-22 14:11:27 +02:00
parent 65607d4bc7
commit a2d0dbb433
1 changed files with 31 additions and 9 deletions
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40
disk-utils/cfdisk.c
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@ -443,11 +443,14 @@ static void cfdisk_free_lines(struct cfdisk *cf)
DBG(UI, ul_debug("delete window: %p",
cf->lines[i].w));
delwin(cf->lines[i].w);
if (cf->lines[i].w)
delwin(cf->lines[i].w);
cf->lines[i].w = NULL;
++i;
}
cf->act_win = NULL;
free(cf->lines);
cf->lines = NULL;
}
/*
* Read data about partitions from libfdisk and prepare output lines.
@ -1177,6 +1180,7 @@ inline static int extra_insert_pair(struct cfdisk_line *l, const char *name, con
struct libscols_line *lsl;
assert(l);
assert(l->extra);
if (!data || !*data)
return 0;
@ -1374,11 +1378,16 @@ static int ui_draw_extra(struct cfdisk *cf)
DBG(UI, ul_debug("draw extra"));
assert(ln->extra);
if (cf->act_win)
wclear(cf->act_win);
if (scols_table_is_empty(ln->extra))
if (scols_table_is_empty(ln->extra)) {
extra_prepare_data(cf);
if (scols_table_is_empty(ln->extra))
return 0;
}
ndatalines = fdisk_table_get_nents(cf->table) + 1;
@ -1415,7 +1424,8 @@ static int ui_draw_extra(struct cfdisk *cf)
}
free(end);
delwin(ln->w);
if (ln->w)
delwin(ln->w);
DBG(UI, ul_debug("draw window: %p", win_ex));
touchwin(stdscr);
@ -1608,7 +1618,7 @@ static int ui_draw_table(struct cfdisk *cf)
clrtoeol();
}
if ((size_t) cf->lines_idx > nparts - 1)
if (nparts == 0 || (size_t) cf->lines_idx > nparts - 1)
cf->lines_idx = nparts ? nparts - 1 : 0;
/* print header */
@ -1670,7 +1680,6 @@ static int ui_refresh(struct cfdisk *cf)
uint64_t bytes = fdisk_get_nsectors(cf->cxt) * fdisk_get_sector_size(cf->cxt);
char *strsz;
erase();
if (!ui_enabled)
return -EINVAL;
@ -1680,6 +1689,8 @@ static int ui_refresh(struct cfdisk *cf)
lb = fdisk_get_label(cf->cxt, NULL);
assert(lb);
clear();
/* header */
attron(A_BOLD);
ui_center(0, _("Disk: %s"), fdisk_get_devname(cf->cxt));
@ -2409,6 +2420,19 @@ static void ui_resize_refresh(struct cfdisk *cf)
ui_draw_extra(cf);
}
static void toggle_show_extra(struct cfdisk *cf)
{
if (cf->show_extra && cf->act_win) {
wclear(cf->act_win);
touchwin(stdscr);
}
cf->show_extra = cf->show_extra ? 0 : 1;
if (cf->show_extra)
ui_draw_extra(cf);
DBG(MENU, ul_debug("extra: %s", cf->show_extra ? "ENABLED" : "DISABLED" ));
}
static int ui_run(struct cfdisk *cf)
{
int rc = 0;
@ -2434,7 +2458,6 @@ static int ui_run(struct cfdisk *cf)
menu_push(cf, main_menuitems);
cf->menu->ignore_cb = main_menu_ignore_keys;
rc = ui_refresh(cf);
if (rc)
return rc;
@ -2445,7 +2468,7 @@ static int ui_run(struct cfdisk *cf)
if (fdisk_is_readonly(cf->cxt))
ui_warnx(_("Device open in read-only mode."));
else if (cf->wrong_order)
ui_info(_("Note that partition table entries are not in disk order now."));
ui_info(_("Note that partition table entries are not in disk order now."));
do {
int key = getch();
@ -2495,8 +2518,7 @@ static int ui_run(struct cfdisk *cf)
rc = main_menu_action(cf, 0);
break;
case 'x': /* Extra */
cf->show_extra = cf->show_extra ? 0 : 1;
DBG(MENU, ul_debug("extra: %s", cf->show_extra ? "ENABLED" : "DISABLED" ));
toggle_show_extra(cf);
break;
default:
rc = main_menu_action(cf, key);