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url-mode: generate key combinations using vimium’s algorithm

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Daniel Eklöf 2021-02-06 21:37:26 +01:00
parent e9ff8bac1c
commit 29c86612df
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GPG key ID: 5BBD4992C116573F
1 changed files with 47 additions and 16 deletions
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63
url-mode.c
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@ -335,28 +335,57 @@ urls_collect(const struct terminal *term, enum url_action action, url_list_t *ur
static void url_destroy(struct url *url); static void url_destroy(struct url *url);
static void
generate_key_combos(size_t count, wchar_t *combos[static count])
{
/* vimium default */
static const wchar_t alphabet[] = L"sadfjklewcmpgh";
tll(wchar_t *) hints = tll_init();
tll_push_back(hints, xwcsdup(L""));
size_t offset = 0;
while (tll_length(hints) - offset < count || tll_length(hints) == 1) {
wchar_t *hint = tll_back(hints);
offset++;
for (size_t i = 0; i < ALEN(alphabet); i++) {
wchar_t wc = alphabet[i];
wchar_t *next_hint = malloc((wcslen(hint) + 1 + 1) * sizeof(wchar_t));
next_hint[0] = wc;
wcscpy(&next_hint[1], hint);
tll_push_back(hints, next_hint);
}
}
/* Slice the list */
for (size_t i = 0; i < offset; i++)
free(tll_pop_front(hints));
xassert(tll_length(hints) >= count);
/* Fill in the callers array */
size_t idx = 0;
tll_foreach(hints, it) {
if (idx >= count)
free(it->item);
else
combos[idx] = it->item;
idx++;
}
tll_free(hints);
}
void void
urls_assign_key_combos(url_list_t *urls) urls_assign_key_combos(url_list_t *urls)
{ {
static const wchar_t *const combos[] = { wchar_t *combos[tll_length(*urls)];
L"f", L"j", L"d", L"k", L"e", L"i", L"c", L"m", L"r", generate_key_combos(tll_length(*urls), combos);
L"u", L"s", L"l", L"w", L"o", L"x", L"a", L"q", L"p",
};
size_t idx = 0; size_t idx = 0;
tll_foreach(*urls, it) { tll_foreach(*urls, it) {
if (idx < ALEN(combos)) { xassert(wcslen(combos[idx]) < ALEN(it->item.key) - 1);
xassert(wcslen(combos[idx]) < ALEN(it->item.key) - 1); wcscpy(it->item.key, combos[idx++]);
wcscpy(it->item.key, combos[idx]);
} else {
url_destroy(&it->item);
tll_remove(*urls, it);
}
if (++idx == ALEN(combos)) {
LOG_WARN("not enough key combos (%zu) for %zu URLs",
ALEN(combos), tll_length(*urls));
}
} }
#if defined(_DEBUG) && LOG_ENABLE_DBG #if defined(_DEBUG) && LOG_ENABLE_DBG
@ -371,6 +400,8 @@ urls_assign_key_combos(url_list_t *urls)
} }
#endif #endif
for (size_t i = 0; i < tll_length(*urls); i++)
free(combos[i]);
} }
static void static void