diff options
author | June McEnroe <june@causal.agency> | 2018-08-07 22:40:05 -0400 |
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committer | June McEnroe <june@causal.agency> | 2018-08-07 22:40:05 -0400 |
commit | 43eee8da713a7c7c3788238a6a5f301ae4672a79 (patch) | |
tree | dbea290ee50c63340b63d2ab8af8a5cea714cb2d /tab.c | |
parent | Mark log when scrolling up (diff) | |
download | test-43eee8da713a7c7c3788238a6a5f301ae4672a79.tar.gz test-43eee8da713a7c7c3788238a6a5f301ae4672a79.zip |
Implement cycling tab complete
Not properly hooked up to the UI yet.
Diffstat (limited to 'tab.c')
-rw-r--r-- | tab.c | 43 |
1 files changed, 36 insertions, 7 deletions
diff --git a/tab.c b/tab.c index 56fe649..45670ad 100644 --- a/tab.c +++ b/tab.c @@ -40,12 +40,16 @@ static void remove(struct Entry *entry) { if (head == entry) head = entry->next; } +static void touch(struct Entry *entry) { + if (head == entry) return; + remove(entry); + prepend(entry); +} + void tabTouch(const char *word) { for (struct Entry *entry = head; entry; entry = entry->next) { if (strcmp(entry->word, word)) continue; - if (head == entry) return; - remove(entry); - prepend(entry); + touch(entry); return; } @@ -55,18 +59,43 @@ void tabTouch(const char *word) { prepend(entry); } +void tabReplace(const char *prev, const char *next) { + tabTouch(prev); + free(head->word); + head->word = strdup(next); +} + +static struct Entry *match; + void tabRemove(const char *word) { for (struct Entry *entry = head; entry; entry = entry->next) { if (strcmp(entry->word, word)) continue; remove(entry); + if (match == entry) match = entry->next; free(entry->word); free(entry); return; } } -void tabReplace(const char *prev, const char *next) { - tabTouch(prev); - free(head->word); - head->word = strdup(next); +const char *tabNext(const char *prefix) { + size_t len = strlen(prefix); + struct Entry *start = (match ? match->next : head); + for (struct Entry *entry = start; entry; entry = entry->next) { + if (strncasecmp(entry->word, prefix, len)) continue; + match = entry; + return entry->word; + } + if (!match) return NULL; + match = NULL; + return tabNext(prefix); +} + +void tabAccept(void) { + if (match) touch(match); + match = NULL; +} + +void tabReject(void) { + match = NULL; } |