Remove ARRAY_* from history and expand completion to complete a) layout

names and b) targets beginning with -t or -s.
This commit is contained in:
nicm 2015-05-06 23:56:46 +00:00
parent 31b1ab4852
commit 0b39e6427f
2 changed files with 198 additions and 75 deletions

270
status.c
View File

@ -45,10 +45,15 @@ void status_message_callback(int, short, void *);
const char *status_prompt_up_history(u_int *);
const char *status_prompt_down_history(u_int *);
void status_prompt_add_history(const char *);
char *status_prompt_complete(const char *);
const char **status_prompt_complete_list(u_int *, const char *);
char *status_prompt_complete_prefix(const char **, u_int);
char *status_prompt_complete(struct session *, const char *);
/* Status prompt history. */
ARRAY_DECL(, char *) status_prompt_history = ARRAY_INITIALIZER;
#define PROMPT_HISTORY 100
char **status_prompt_hlist;
u_int status_prompt_hsize;
/* Status output tree. */
RB_GENERATE(status_out_tree, status_out, entry, status_out_cmp);
@ -977,7 +982,7 @@ status_prompt_key(struct client *c, int key)
word[last - first] = '\0';
/* And try to complete it. */
if ((s = status_prompt_complete(word)) == NULL)
if ((s = status_prompt_complete(sess, word)) == NULL)
break;
/* Trim out word. */
@ -1235,114 +1240,235 @@ status_prompt_key(struct client *c, int key)
const char *
status_prompt_up_history(u_int *idx)
{
u_int size;
/*
* History runs from 0 to size - 1.
*
* Index is from 0 to size. Zero is empty.
* History runs from 0 to size - 1. Index is from 0 to size. Zero is
* empty.
*/
size = ARRAY_LENGTH(&status_prompt_history);
if (size == 0 || *idx == size)
if (status_prompt_hsize == 0 || *idx == status_prompt_hsize)
return (NULL);
(*idx)++;
return (ARRAY_ITEM(&status_prompt_history, size - *idx));
return (status_prompt_hlist[status_prompt_hsize - *idx]);
}
/* Get next line from the history. */
const char *
status_prompt_down_history(u_int *idx)
{
u_int size;
size = ARRAY_LENGTH(&status_prompt_history);
if (size == 0 || *idx == 0)
if (status_prompt_hsize == 0 || *idx == 0)
return ("");
(*idx)--;
if (*idx == 0)
return ("");
return (ARRAY_ITEM(&status_prompt_history, size - *idx));
return (status_prompt_hlist[status_prompt_hsize - *idx]);
}
/* Add line to the history. */
void
status_prompt_add_history(const char *line)
{
u_int size;
size_t size;
size = ARRAY_LENGTH(&status_prompt_history);
if (size > 0 && strcmp(ARRAY_LAST(&status_prompt_history), line) == 0)
if (status_prompt_hsize > 0 &&
strcmp(status_prompt_hlist[status_prompt_hsize - 1], line) == 0)
return;
if (size == PROMPT_HISTORY) {
free(ARRAY_FIRST(&status_prompt_history));
ARRAY_REMOVE(&status_prompt_history, 0);
if (status_prompt_hsize == PROMPT_HISTORY) {
free(status_prompt_hlist[0]);
size = (PROMPT_HISTORY - 1) * sizeof *status_prompt_hlist;
memmove(&status_prompt_hlist[0], &status_prompt_hlist[1], size);
status_prompt_hlist[status_prompt_hsize - 1] = xstrdup(line);
return;
}
ARRAY_ADD(&status_prompt_history, xstrdup(line));
status_prompt_hlist = xreallocarray(status_prompt_hlist,
status_prompt_hsize + 1, sizeof *status_prompt_hlist);
status_prompt_hlist[status_prompt_hsize++] = xstrdup(line);
}
/* Build completion list. */
const char **
status_prompt_complete_list(u_int *size, const char *s)
{
const char **list = NULL, **layout;
const struct cmd_entry **cmdent;
const struct options_table_entry *oe;
const char *layouts[] = {
"even-horizontal", "even-vertical", "main-horizontal",
"main-vertical", "tiled", NULL
};
*size = 0;
for (cmdent = cmd_table; *cmdent != NULL; cmdent++) {
if (strncmp((*cmdent)->name, s, strlen(s)) == 0) {
list = xreallocarray(list, (*size) + 1, sizeof *list);
list[(*size)++] = (*cmdent)->name;
}
}
for (oe = server_options_table; oe->name != NULL; oe++) {
if (strncmp(oe->name, s, strlen(s)) == 0) {
list = xreallocarray(list, (*size) + 1, sizeof *list);
list[(*size)++] = oe->name;
}
}
for (oe = session_options_table; oe->name != NULL; oe++) {
if (strncmp(oe->name, s, strlen(s)) == 0) {
list = xreallocarray(list, (*size) + 1, sizeof *list);
list[(*size)++] = oe->name;
}
}
for (oe = window_options_table; oe->name != NULL; oe++) {
if (strncmp(oe->name, s, strlen(s)) == 0) {
list = xreallocarray(list, (*size) + 1, sizeof *list);
list[(*size)++] = oe->name;
}
}
for (layout = layouts; *layout != NULL; layout++) {
if (strncmp(*layout, s, strlen(s)) == 0) {
list = xreallocarray(list, (*size) + 1, sizeof *list);
list[(*size)++] = *layout;
}
}
return (list);
}
/* Find longest prefix. */
char *
status_prompt_complete_prefix(const char **list, u_int size)
{
char *out;
u_int i;
size_t j;
out = xstrdup(list[0]);
for (i = 1; i < size; i++) {
j = strlen(list[i]);
if (j > strlen(out))
j = strlen(out);
for (; j > 0; j--) {
if (out[j - 1] != list[i][j - 1])
out[j - 1] = '\0';
}
}
return (out);
}
/* Complete word. */
char *
status_prompt_complete(const char *s)
status_prompt_complete(struct session *sess, const char *s)
{
const struct cmd_entry **cmdent;
const struct options_table_entry *oe;
ARRAY_DECL(, const char *) list;
char *prefix, *s2;
u_int i;
size_t j;
const char **list = NULL, *colon;
u_int size = 0, i;
struct session *s_loop;
struct winlink *wl;
struct window *w;
char *copy, *out, *tmp;
if (*s == '\0')
return (NULL);
out = NULL;
/* First, build a list of all the possible matches. */
ARRAY_INIT(&list);
for (cmdent = cmd_table; *cmdent != NULL; cmdent++) {
if (strncmp((*cmdent)->name, s, strlen(s)) == 0)
ARRAY_ADD(&list, (*cmdent)->name);
}
for (oe = server_options_table; oe->name != NULL; oe++) {
if (strncmp(oe->name, s, strlen(s)) == 0)
ARRAY_ADD(&list, oe->name);
}
for (oe = session_options_table; oe->name != NULL; oe++) {
if (strncmp(oe->name, s, strlen(s)) == 0)
ARRAY_ADD(&list, oe->name);
}
for (oe = window_options_table; oe->name != NULL; oe++) {
if (strncmp(oe->name, s, strlen(s)) == 0)
ARRAY_ADD(&list, oe->name);
if (strncmp(s, "-t", 2) != 0 && strncmp(s, "-s", 2) != 0) {
list = status_prompt_complete_list(&size, s);
if (size == 0)
out = NULL;
else if (size == 1)
xasprintf(&out, "%s ", list[0]);
else
out = status_prompt_complete_prefix(list, size);
free(list);
return (out);
}
copy = xstrdup(s);
/* If none, bail now. */
if (ARRAY_LENGTH(&list) == 0) {
ARRAY_FREE(&list);
return (NULL);
}
colon = ":";
if (copy[strlen(copy) - 1] == ':')
copy[strlen(copy) - 1] = '\0';
else
colon = "";
s = copy + 2;
/* If an exact match, return it, with a trailing space. */
if (ARRAY_LENGTH(&list) == 1) {
xasprintf(&s2, "%s ", ARRAY_FIRST(&list));
ARRAY_FREE(&list);
return (s2);
}
/* Now loop through the list and find the longest common prefix. */
prefix = xstrdup(ARRAY_FIRST(&list));
for (i = 1; i < ARRAY_LENGTH(&list); i++) {
s = ARRAY_ITEM(&list, i);
j = strlen(s);
if (j > strlen(prefix))
j = strlen(prefix);
for (; j > 0; j--) {
if (prefix[j - 1] != s[j - 1])
prefix[j - 1] = '\0';
RB_FOREACH(s_loop, sessions, &sessions) {
if (strncmp(s_loop->name, s, strlen(s)) == 0) {
list = xreallocarray(list, size + 2, sizeof *list);
list[size++] = s_loop->name;
}
}
if (size == 1) {
out = xstrdup(list[0]);
if (session_find(list[0]) != NULL)
colon = ":";
} else if (size != 0)
out = status_prompt_complete_prefix(list, size);
if (out != NULL) {
xasprintf(&tmp, "-%c%s%s", copy[1], out, colon);
out = tmp;
goto found;
}
ARRAY_FREE(&list);
return (prefix);
colon = "";
if (*s == ':') {
RB_FOREACH(wl, winlinks, &sess->windows) {
xasprintf(&tmp, ":%s", wl->window->name);
if (strncmp(tmp, s, strlen(s)) == 0){
list = xreallocarray(list, size + 1,
sizeof *list);
list[size++] = tmp;
continue;
}
free(tmp);
xasprintf(&tmp, ":%d", wl->idx);
if (strncmp(tmp, s, strlen(s)) == 0) {
list = xreallocarray(list, size + 1,
sizeof *list);
list[size++] = tmp;
continue;
}
free(tmp);
}
} else {
RB_FOREACH(s_loop, sessions, &sessions) {
RB_FOREACH(wl, winlinks, &s_loop->windows) {
w = wl->window;
xasprintf(&tmp, "%s:%s", s_loop->name, w->name);
if (strncmp(tmp, s, strlen(s)) == 0) {
list = xreallocarray(list, size + 1,
sizeof *list);
list[size++] = tmp;
continue;
}
free(tmp);
xasprintf(&tmp, "%s:%d", s_loop->name, wl->idx);
if (strncmp(tmp, s, strlen(s)) == 0) {
list = xreallocarray(list, size + 1,
sizeof *list);
list[size++] = tmp;
continue;
}
free(tmp);
}
}
}
if (size == 1) {
out = xstrdup(list[0]);
colon = " ";
} else if (size != 0)
out = status_prompt_complete_prefix(list, size);
if (out != NULL) {
xasprintf(&tmp, "-%c%s%s", copy[1], out, colon);
out = tmp;
}
for (i = 0; i < size; i++)
free((void *)list[i]);
found:
free(copy);
free(list);
return (out);
}

3
tmux.h
View File

@ -43,9 +43,6 @@ extern char **environ;
/* Default global configuration file. */
#define TMUX_CONF "/etc/tmux.conf"
/* Default prompt history length. */
#define PROMPT_HISTORY 100
/*
* Minimum layout cell size, NOT including separator line. The scroll region
* cannot be one line in height so this must be at least two.