+++ /dev/null
-/*
- command-history.c : irssi
-
- Copyright (C) 1999 Timo Sirainen
-
- This program is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2 of the License, or
- (at your option) any later version.
-
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software
- Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-*/
-
-#include "module.h"
-#include "signals.h"
-#include "misc.h"
-#include "special-vars.h"
-#include "settings.h"
-
-#include "fe-windows.h"
-#include "window-items.h"
-
-#include "command-history.h"
-
-/* command history */
-static HISTORY_REC *global_history;
-static int window_history;
-static GSList *histories;
-
-void command_history_add(HISTORY_REC *history, const char *text)
-{
- GList *link;
-
- g_return_if_fail(history != NULL);
- g_return_if_fail(text != NULL);
-
- link = g_list_last(history->list);
- if (link != NULL && strcmp(link->data, text) == 0)
- return; /* same as previous entry */
-
- if (settings_get_int("max_command_history") < 1 ||
- history->lines < settings_get_int("max_command_history"))
- history->lines++;
- else {
- link = history->list;
- g_free(link->data);
- history->list = g_list_remove_link(history->list, link);
- g_list_free_1(link);
- }
-
- history->list = g_list_append(history->list, g_strdup(text));
-}
-
-HISTORY_REC *command_history_find(HISTORY_REC *history)
-{
- GSList *tmp;
- tmp = g_slist_find(histories, history);
-
- if (tmp == NULL)
- return NULL;
- else
- return tmp->data;
-}
-
-HISTORY_REC *command_history_find_name(const char *name)
-{
- GSList *tmp;
-
- if (name == NULL)
- return NULL;
-
- for (tmp = histories; tmp != NULL; tmp = tmp->next) {
- HISTORY_REC *rec = tmp->data;
-
- if (rec->name != NULL && g_strcasecmp(rec->name, name) == 0)
- return rec;
- }
-
- return NULL;
-}
-
-HISTORY_REC *command_history_current(WINDOW_REC *window)
-{
- HISTORY_REC *rec;
-
- if (window == NULL)
- return global_history;
-
- if (window_history)
- return window->history;
-
- rec = command_history_find_name(window->history_name);
- if (rec != NULL)
- return rec;
-
- return global_history;
-}
-
-const char *command_history_prev(WINDOW_REC *window, const char *text)
-{
- HISTORY_REC *history;
- GList *pos;
-
- history = command_history_current(window);
- pos = history->pos;
-
- if (pos != NULL) {
- history->pos = history->pos->prev;
- if (history->pos == NULL)
- history->over_counter++;
- } else {
- history->pos = g_list_last(history->list);
- }
-
- if (*text != '\0' &&
- (pos == NULL || strcmp(pos->data, text) != 0)) {
- /* save the old entry to history */
- command_history_add(history, text);
- }
-
- return history->pos == NULL ? "" : history->pos->data;
-}
-
-const char *command_history_next(WINDOW_REC *window, const char *text)
-{
- HISTORY_REC *history;
- GList *pos;
-
- history = command_history_current(window);
- pos = history->pos;
-
- if (pos != NULL)
- history->pos = history->pos->next;
- else if (history->over_counter > 0) {
- history->over_counter--;
- history->pos = history->list;
- }
-
- if (*text != '\0' &&
- (pos == NULL || strcmp(pos->data, text) != 0)) {
- /* save the old entry to history */
- command_history_add(history, text);
- }
- return history->pos == NULL ? "" : history->pos->data;
-}
-
-void command_history_clear_pos_func(HISTORY_REC *history, gpointer user_data)
-{
- history->over_counter = 0;
- history->pos = NULL;
-}
-
-void command_history_clear_pos(WINDOW_REC *window)
-{
- g_slist_foreach(histories,
- (GFunc) command_history_clear_pos_func, NULL);
-}
-
-HISTORY_REC *command_history_create(const char *name)
-{
- HISTORY_REC *rec;
-
- rec = g_new0(HISTORY_REC, 1);
-
- if (name != NULL)
- rec->name = g_strdup(name);
-
- histories = g_slist_append(histories, rec);
-
- return rec;
-}
-
-void command_history_destroy(HISTORY_REC *history)
-{
- g_return_if_fail(history != NULL);
-
- /* history->refcount should be 0 here, or somthing is wrong... */
- g_return_if_fail(history->refcount == 0);
-
- histories = g_slist_remove(histories, history);
-
- g_list_foreach(history->list, (GFunc) g_free, NULL);
- g_list_free(history->list);
-
- g_free_not_null(history->name);
- g_free(history);
-}
-
-void command_history_link(const char *name)
-{
- HISTORY_REC *rec;
- rec = command_history_find_name(name);
-
- if (rec == NULL)
- rec = command_history_create(name);
-
- rec->refcount++;
-}
-
-void command_history_unlink(const char *name)
-{
- HISTORY_REC *rec;
- rec = command_history_find_name(name);
-
- if (rec == NULL)
- return;
-
- if (--(rec->refcount) <= 0)
- command_history_destroy(rec);
-}
-
-static void sig_window_created(WINDOW_REC *window, int automatic)
-{
- window->history = command_history_create(NULL);
-}
-
-static void sig_window_destroyed(WINDOW_REC *window)
-{
- command_history_unlink(window->history_name);
- command_history_destroy(window->history);
- g_free_not_null(window->history_name);
-}
-
-static void sig_window_history_changed(WINDOW_REC *window, const char *oldname)
-{
- command_history_link(window->history_name);
- command_history_unlink(oldname);
-}
-
-static char *special_history_func(const char *text, void *item, int *free_ret)
-{
- WINDOW_REC *window;
- HISTORY_REC *history;
- GList *tmp;
- char *findtext, *ret;
-
- window = item == NULL ? active_win : window_item_window(item);
-
- findtext = g_strdup_printf("*%s*", text);
- ret = NULL;
-
- history = command_history_current(window);
- for (tmp = history->list; tmp != NULL; tmp = tmp->next) {
- const char *line = tmp->data;
-
- if (match_wildcards(findtext, line)) {
- *free_ret = TRUE;
- ret = g_strdup(line);
- }
- }
- g_free(findtext);
-
- return ret;
-}
-
-static void read_settings(void)
-{
- window_history = settings_get_bool("window_history");
-}
-
-void command_history_init(void)
-{
- settings_add_int("history", "max_command_history", 100);
- settings_add_bool("history", "window_history", FALSE);
-
- special_history_func_set(special_history_func);
-
- global_history = command_history_create(NULL);
-
- read_settings();
- signal_add("window created", (SIGNAL_FUNC) sig_window_created);
- signal_add("window destroyed", (SIGNAL_FUNC) sig_window_destroyed);
- signal_add("window history changed", (SIGNAL_FUNC) sig_window_history_changed);
- signal_add("setup changed", (SIGNAL_FUNC) read_settings);
-}
-
-void command_history_deinit(void)
-{
- signal_remove("window created", (SIGNAL_FUNC) sig_window_created);
- signal_remove("window destroyed", (SIGNAL_FUNC) sig_window_destroyed);
- signal_remove("window history changed", (SIGNAL_FUNC) sig_window_history_changed);
- signal_remove("setup changed", (SIGNAL_FUNC) read_settings);
-
- command_history_destroy(global_history);
-}
projects / runtime.git / blobdiff