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Code

Small speedup when pressing unbound keys.

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git-svn-id: http://svn.irssi.org/repos/irssi/trunk@1502 dbcabf3a-b0e7-0310-adc4-f8d773084564
This commit is contained in:
Timo Sirainen 2001-05-17 17:07:40 +00:00 committed by cras
parent ccccd1fdc4
commit fe5c94b050
1 changed files with 19 additions and 3 deletions
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22
src/fe-common/core/keyboard.c
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@ -34,6 +34,10 @@
GSList *keyinfos;
static GHashTable *keys, *default_keys;
/* A cache of some sort for key presses that generate a single char only.
If the key isn't used, used_keys[key] is zero. */
static char used_keys[256];
/* contains list of all key bindings of which command is "key" -
this can be used to check fast if some command queue exists or not.
Format is _always_ in key1-key2-key3 format (like ^W-^N,
@ -250,10 +254,13 @@ static void key_states_scan_key(const char *key, KEY_REC *rec, GString *temp)
}
g_strfreev(keys);
if (temp->len > 0)
g_string_truncate(temp, temp->len-1);
if (temp->len > 0) {
g_string_truncate(temp, temp->len-1);
g_tree_insert(key_states, g_strdup(temp->str), rec);
if (temp->str[1] == '-' || temp->str[1] == '\0')
used_keys[(int) (unsigned char) temp->str[0]] = 1;
g_tree_insert(key_states, g_strdup(temp->str), rec);
}
}
static int key_state_destroy(char *key)
@ -269,6 +276,8 @@ static void key_states_rescan(void)
{
GString *temp;
memset(used_keys, 0, sizeof(used_keys));
g_tree_traverse(key_states, (GTraverseFunc) key_state_destroy,
G_IN_ORDER, NULL);
g_tree_destroy(key_states);
@ -469,6 +478,12 @@ int key_pressed(KEYBOARD_REC *keyboard, const char *key)
g_return_val_if_fail(key != NULL && *key != '\0', FALSE);
if (keyboard->key_state == NULL) {
if (key[1] == '\0' &&
!used_keys[(int) (unsigned char) key[0]]) {
/* fast check - key not used */
return FALSE;
}
rec = g_tree_search(key_states,
(GSearchFunc) key_states_search,
(void *) key);
@ -772,6 +787,7 @@ void keyboard_init(void)
key_states = g_tree_new((GCompareFunc) strcmp);
key_combos = NULL;
key_config_frozen = 0;
memset(used_keys, 0, sizeof(used_keys));
key_bind("command", "Run any IRC command", NULL, NULL, (SIGNAL_FUNC) sig_command);
key_bind("key", "Specify name for key binding", NULL, NULL, (SIGNAL_FUNC) sig_key);