diff options
Diffstat (limited to 'status.c')
-rw-r--r-- | status.c | 85 |
1 files changed, 59 insertions, 26 deletions
@@ -1,4 +1,4 @@ -/* $Id: status.c,v 1.150 2010-12-06 22:52:21 nicm Exp $ */ +/* $Id: status.c,v 1.151 2010-12-11 16:15:02 nicm Exp $ */ /* * Copyright (c) 2007 Nicholas Marriott <nicm@users.sourceforge.net> @@ -41,9 +41,14 @@ void status_replace1(struct client *, struct winlink *, char **, char **, char *, size_t, int); void status_message_callback(int, short, void *); -void status_prompt_add_history(struct client *); +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 *); +/* Status prompt history. */ +ARRAY_DECL(, char *) status_prompt_history = ARRAY_INITIALIZER; + /* Retrieve options for left string. */ char * status_redraw_get_left(struct client *c, @@ -860,6 +865,7 @@ status_prompt_key(struct client *c, int key) { struct paste_buffer *pb; char *s, *first, *last, word[64], swapc; + const char *histstr; u_char ch; size_t size, n, off, idx; @@ -972,29 +978,20 @@ status_prompt_key(struct client *c, int key) } break; case MODEKEYEDIT_HISTORYUP: - if (ARRAY_LENGTH(&c->prompt_hdata) == 0) + histstr = status_prompt_up_history(&c->prompt_hindex); + if (histstr == NULL) break; xfree(c->prompt_buffer); - - c->prompt_buffer = xstrdup(ARRAY_ITEM(&c->prompt_hdata, - ARRAY_LENGTH(&c->prompt_hdata) - 1 - c->prompt_hindex)); - if (c->prompt_hindex != ARRAY_LENGTH(&c->prompt_hdata) - 1) - c->prompt_hindex++; - + c->prompt_buffer = xstrdup(histstr); c->prompt_index = strlen(c->prompt_buffer); c->flags |= CLIENT_STATUS; break; case MODEKEYEDIT_HISTORYDOWN: + histstr = status_prompt_down_history(&c->prompt_hindex); + if (histstr == NULL) + break; xfree(c->prompt_buffer); - - if (c->prompt_hindex != 0) { - c->prompt_hindex--; - c->prompt_buffer = xstrdup(ARRAY_ITEM( - &c->prompt_hdata, ARRAY_LENGTH( - &c->prompt_hdata) - 1 - c->prompt_hindex)); - } else - c->prompt_buffer = xstrdup(""); - + c->prompt_buffer = xstrdup(histstr); c->prompt_index = strlen(c->prompt_buffer); c->flags |= CLIENT_STATUS; break; @@ -1036,7 +1033,7 @@ status_prompt_key(struct client *c, int key) break; case MODEKEYEDIT_ENTER: if (*c->prompt_buffer != '\0') - status_prompt_add_history(c); + status_prompt_add_history(c->prompt_buffer); if (c->prompt_callbackfn(c->prompt_data, c->prompt_buffer) == 0) status_prompt_clear(c); break; @@ -1072,20 +1069,56 @@ status_prompt_key(struct client *c, int key) } } +/* Get previous line from the history. */ +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. + */ + + size = ARRAY_LENGTH(&status_prompt_history); + if (size == 0 || *idx == size) + return (NULL); + (*idx)++; + return (ARRAY_ITEM(&status_prompt_history, size - *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) + return (""); + (*idx)--; + if (*idx == 0) + return (""); + return (ARRAY_ITEM(&status_prompt_history, size - *idx)); +} + /* Add line to the history. */ void -status_prompt_add_history(struct client *c) +status_prompt_add_history(const char *line) { - if (ARRAY_LENGTH(&c->prompt_hdata) > 0 && - strcmp(ARRAY_LAST(&c->prompt_hdata), c->prompt_buffer) == 0) + u_int size; + + size = ARRAY_LENGTH(&status_prompt_history); + if (size > 0 && strcmp(ARRAY_LAST(&status_prompt_history), line) == 0) return; - if (ARRAY_LENGTH(&c->prompt_hdata) == PROMPT_HISTORY) { - xfree(ARRAY_FIRST(&c->prompt_hdata)); - ARRAY_REMOVE(&c->prompt_hdata, 0); + if (size == PROMPT_HISTORY) { + xfree(ARRAY_FIRST(&status_prompt_history)); + ARRAY_REMOVE(&status_prompt_history, 0); } - ARRAY_ADD(&c->prompt_hdata, xstrdup(c->prompt_buffer)); + ARRAY_ADD(&status_prompt_history, xstrdup(line)); } /* Complete word. */ |