/* gui-readline.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 "settings.h" #include "special-vars.h" #include "servers.h" #include "completion.h" #include "command-history.h" #include "keyboard.h" #include "translation.h" #include "term.h" #include "gui-entry.h" #include "gui-windows.h" #include typedef void (*ENTRY_REDIRECT_KEY_FUNC) (int key, void *data, SERVER_REC *server, WI_ITEM_REC *item); typedef void (*ENTRY_REDIRECT_ENTRY_FUNC) (const char *line, void *data, SERVER_REC *server, WI_ITEM_REC *item); typedef struct { SIGNAL_FUNC func; int flags; void *data; } ENTRY_REDIRECT_REC; static KEYBOARD_REC *keyboard; static ENTRY_REDIRECT_REC *redir; char *cutbuffer; static int readtag; static time_t idle_time; static void sig_input(void); void input_listen_init(int handle) { GIOChannel *stdin_channel; stdin_channel = g_io_channel_unix_new(handle); readtag = g_input_add_full(stdin_channel, G_PRIORITY_HIGH, G_INPUT_READ, (GInputFunction) sig_input, NULL); g_io_channel_unref(stdin_channel); } void input_listen_deinit(void) { g_source_remove(readtag); readtag = -1; } static void handle_key_redirect(int key) { ENTRY_REDIRECT_KEY_FUNC func; void *data; func = (ENTRY_REDIRECT_KEY_FUNC) redir->func; data = redir->data; g_free_and_null(redir); if (func != NULL) func(key, data, active_win->active_server, active_win->active); gui_entry_set_prompt(active_entry, ""); } static void handle_entry_redirect(const char *line) { ENTRY_REDIRECT_ENTRY_FUNC func; void *data; gui_entry_set_hidden(active_entry, FALSE); func = (ENTRY_REDIRECT_ENTRY_FUNC) redir->func; data = redir->data; g_free_and_null(redir); if (func != NULL) { func(line, data, active_win->active_server, active_win->active); } gui_entry_set_prompt(active_entry, ""); } static int get_scroll_count(void) { const char *str; double count; str = settings_get_str("scroll_page_count"); count = atof(str + (*str == '/')); if (count <= 0) count = 1; else if (count < 1) count = 1.0/count; if (*str == '/') { count = (active_mainwin->height-active_mainwin->statusbar_lines)/count; } return (int)count; } static void window_prev_page(void) { gui_window_scroll(active_win, -get_scroll_count()); } static void window_next_page(void) { gui_window_scroll(active_win, get_scroll_count()); } void handle_key(int key) { char str[3]; idle_time = time(NULL); if (redir != NULL && redir->flags & ENTRY_REDIRECT_FLAG_HOTKEY) { handle_key_redirect(key); return; } if (key >= 0 && key < 32) { /* control key */ str[0] = '^'; str[1] = key+'@'; str[2] = '\0'; } else if (key == 127) { str[0] = '^'; str[1] = '?'; str[2] = '\0'; } else { str[0] = key; str[1] = '\0'; } if (!key_pressed(keyboard, str)) { /* key wasn't used for anything, print it */ gui_entry_insert_char(active_entry, (char) key); } } static void key_send_line(void) { HISTORY_REC *history; char *str, *add_history; str = gui_entry_get_text(active_entry); if (*str == '\0') return; /* we can't use gui_entry_get_text() later, since the entry might have been destroyed after we get back */ add_history = g_strdup(str); history = command_history_current(active_win); translate_output(str); if (redir == NULL) { signal_emit("send command", 3, str, active_win->active_server, active_win->active); } else { if (redir->flags & ENTRY_REDIRECT_FLAG_HIDDEN) g_free_and_null(add_history); handle_entry_redirect(str); } if (add_history != NULL) { history = command_history_find(history); if (history != NULL) command_history_add(history, add_history); g_free(add_history); } if (active_entry != NULL) gui_entry_set_text(active_entry, ""); command_history_clear_pos(active_win); } static void key_combo(void) { } static void key_backward_history(void) { const char *text; text = command_history_prev(active_win, gui_entry_get_text(active_entry)); gui_entry_set_text(active_entry, text); } static void key_forward_history(void) { const char *text; text = command_history_next(active_win, gui_entry_get_text(active_entry)); gui_entry_set_text(active_entry, text); } static void key_beginning_of_line(void) { gui_entry_set_pos(active_entry, 0); } static void key_end_of_line(void) { gui_entry_set_pos(active_entry, strlen(gui_entry_get_text(active_entry))); } static void key_backward_character(void) { gui_entry_move_pos(active_entry, -1); } static void key_forward_character(void) { gui_entry_move_pos(active_entry, 1); } static void key_backward_word(void) { gui_entry_move_words(active_entry, -1, FALSE); } static void key_forward_word(void) { gui_entry_move_words(active_entry, 1, FALSE); } static void key_backward_to_space(void) { gui_entry_move_words(active_entry, -1, TRUE); } static void key_forward_to_space(void) { gui_entry_move_words(active_entry, 1, TRUE); } static void key_erase_line(void) { g_free_not_null(cutbuffer); cutbuffer = g_strdup(gui_entry_get_text(active_entry)); gui_entry_set_text(active_entry, ""); } static void key_erase_to_beg_of_line(void) { int pos; pos = gui_entry_get_pos(active_entry); g_free_not_null(cutbuffer); cutbuffer = g_strndup(gui_entry_get_text(active_entry), pos); gui_entry_erase(active_entry, pos); } static void key_erase_to_end_of_line(void) { int pos; pos = gui_entry_get_pos(active_entry); g_free_not_null(cutbuffer); cutbuffer = g_strdup(gui_entry_get_text(active_entry)+pos); gui_entry_set_pos(active_entry, strlen(gui_entry_get_text(active_entry))); gui_entry_erase(active_entry, strlen(gui_entry_get_text(active_entry)) - pos); } static void key_yank_from_cutbuffer(void) { if (cutbuffer != NULL) gui_entry_insert_text(active_entry, cutbuffer); } static void key_transpose_characters(void) { char *line, c; int pos; pos = gui_entry_get_pos(active_entry); line = gui_entry_get_text(active_entry); if (pos == 0 || strlen(line) < 2) return; if (line[pos] != '\0') gui_entry_move_pos(active_entry, 1); c = line[gui_entry_get_pos(active_entry)-1]; gui_entry_erase(active_entry, 1); gui_entry_move_pos(active_entry, -1); gui_entry_insert_char(active_entry, c); gui_entry_set_pos(active_entry, pos); gui_entry_move_pos(active_entry, 1); } static void key_delete_character(void) { if (gui_entry_get_pos(active_entry) < (int)strlen(gui_entry_get_text(active_entry))) { gui_entry_move_pos(active_entry, 1); gui_entry_erase(active_entry, 1); } } static void key_backspace(void) { gui_entry_erase(active_entry, 1); } static void key_delete_previous_word(void) { gui_entry_erase_word(active_entry, FALSE); } static void key_delete_next_word(void) { gui_entry_erase_next_word(active_entry, FALSE); } static void key_delete_to_previous_space(void) { gui_entry_erase_word(active_entry, TRUE); } static void key_delete_to_next_space(void) { gui_entry_erase_next_word(active_entry, TRUE); } static void sig_input(void) { unsigned char buffer[128]; int ret, i; if (!active_entry) { /* no active entry yet - wait until we have it */ return; } ret = term_gets(buffer, sizeof(buffer)); if (ret == -1) { /* lost terminal */ if (!term_detached) signal_emit("command quit", 1, "Lost terminal"); } else { for (i = 0; i < ret; i++) handle_key(buffer[i]); } } time_t get_idle_time(void) { return idle_time; } static void key_scroll_backward(void) { window_prev_page(); } static void key_scroll_forward(void) { window_next_page(); } static void key_scroll_start(void) { signal_emit("command scrollback home", 3, NULL, active_win->active_server, active_win->active); } static void key_scroll_end(void) { signal_emit("command scrollback end", 3, NULL, active_win->active_server, active_win->active); } static void key_change_window(const char *data) { signal_emit("command window goto", 3, data, active_win->active_server, active_win->active); } static void key_completion(int erase) { char *line; int pos; pos = gui_entry_get_pos(active_entry); line = word_complete(active_win, gui_entry_get_text(active_entry), &pos, erase); if (line != NULL) { gui_entry_set_text(active_entry, line); gui_entry_set_pos(active_entry, pos); g_free(line); } } static void key_word_completion(void) { key_completion(FALSE); } static void key_erase_completion(void) { key_completion(TRUE); } static void key_check_replaces(void) { char *line; int pos; pos = gui_entry_get_pos(active_entry); line = auto_word_complete(gui_entry_get_text(active_entry), &pos); if (line != NULL) { gui_entry_set_text(active_entry, line); gui_entry_set_pos(active_entry, pos); g_free(line); } } static void key_previous_window(void) { signal_emit("command window previous", 3, "", active_win->active_server, active_win->active); } static void key_next_window(void) { signal_emit("command window next", 3, "", active_win->active_server, active_win->active); } static void key_left_window(void) { signal_emit("command window left", 3, "", active_win->active_server, active_win->active); } static void key_right_window(void) { signal_emit("command window right", 3, "", active_win->active_server, active_win->active); } static void key_upper_window(void) { signal_emit("command window up", 3, "", active_win->active_server, active_win->active); } static void key_lower_window(void) { signal_emit("command window down", 3, "", active_win->active_server, active_win->active); } static void key_active_window(void) { signal_emit("command window goto", 3, "active", active_win->active_server, active_win->active); } static void key_previous_window_item(void) { SERVER_REC *server; GSList *pos; if (active_win->items != NULL) signal_emit("command window item prev", 3, "", active_win->active_server, active_win->active); else if (servers != NULL) { /* change server */ if (active_win->active_server == NULL) server = servers->data; else { pos = g_slist_find(servers, active_win->active_server); server = pos->next != NULL ? pos->next->data : servers->data; } signal_emit("command window server", 3, server->tag, active_win->active_server, active_win->active); } } static void key_next_window_item(void) { SERVER_REC *server; int index; if (active_win->items != NULL) { signal_emit("command window item next", 3, "", active_win->active_server, active_win->active); } else if (servers != NULL) { /* change server */ if (active_win->active_server == NULL) server = servers->data; else { index = g_slist_index(servers, active_win->active_server); server = index > 0 ? g_slist_nth(servers, index-1)->data : g_slist_last(servers)->data; } signal_emit("command window server", 3, server->tag, active_win->active_server, active_win->active); } } static void key_insert_text(const char *data) { char *str; str = parse_special_string(data, active_win->active_server, active_win->active, "", NULL, 0); gui_entry_insert_text(active_entry, str); g_free(str); } static void key_sig_stop(void) { term_stop(); } static void sig_window_auto_changed(void) { if (active_entry == NULL) return; command_history_next(active_win, gui_entry_get_text(active_entry)); gui_entry_set_text(active_entry, ""); } static void sig_gui_entry_redirect(SIGNAL_FUNC func, const char *entry, void *flags, void *data) { redir = g_new0(ENTRY_REDIRECT_REC, 1); redir->func = func; redir->flags = GPOINTER_TO_INT(flags); redir->data = data; if (redir->flags & ENTRY_REDIRECT_FLAG_HIDDEN) gui_entry_set_hidden(active_entry, TRUE); gui_entry_set_prompt(active_entry, entry); } void gui_readline_init(void) { static char changekeys[] = "1234567890qwertyuio"; char *key, data[MAX_INT_STRLEN]; int n; cutbuffer = NULL; redir = NULL; idle_time = time(NULL); input_listen_init(STDIN_FILENO); settings_add_str("history", "scroll_page_count", "/2"); keyboard = keyboard_create(NULL); key_configure_freeze(); key_bind("key", NULL, " ", "space", (SIGNAL_FUNC) key_combo); key_bind("key", NULL, "^M", "return", (SIGNAL_FUNC) key_combo); key_bind("key", NULL, "^J", "return", (SIGNAL_FUNC) key_combo); key_bind("key", NULL, "^H", "backspace", (SIGNAL_FUNC) key_combo); key_bind("key", NULL, "^?", "backspace", (SIGNAL_FUNC) key_combo); /* meta */ key_bind("key", NULL, "^[", "meta", (SIGNAL_FUNC) key_combo); key_bind("key", NULL, "meta-[", "meta2", (SIGNAL_FUNC) key_combo); key_bind("key", NULL, "meta-O", "meta2", (SIGNAL_FUNC) key_combo); key_bind("key", NULL, "meta-[O", "meta2", (SIGNAL_FUNC) key_combo); /* arrow keys */ key_bind("key", NULL, "meta2-A", "up", (SIGNAL_FUNC) key_combo); key_bind("key", NULL, "meta2-B", "down", (SIGNAL_FUNC) key_combo); key_bind("key", NULL, "meta2-C", "right", (SIGNAL_FUNC) key_combo); key_bind("key", NULL, "meta2-D", "left", (SIGNAL_FUNC) key_combo); key_bind("key", NULL, "meta2-1~", "home", (SIGNAL_FUNC) key_combo); key_bind("key", NULL, "meta2-7~", "home", (SIGNAL_FUNC) key_combo); key_bind("key", NULL, "meta2-H", "home", (SIGNAL_FUNC) key_combo); key_bind("key", NULL, "meta2-4~", "end", (SIGNAL_FUNC) key_combo); key_bind("key", NULL, "meta2-8~", "end", (SIGNAL_FUNC) key_combo); key_bind("key", NULL, "meta2-F", "end", (SIGNAL_FUNC) key_combo); key_bind("key", NULL, "meta2-5~", "prior", (SIGNAL_FUNC) key_combo); key_bind("key", NULL, "meta2-I", "prior", (SIGNAL_FUNC) key_combo); key_bind("key", NULL, "meta2-6~", "next", (SIGNAL_FUNC) key_combo); key_bind("key", NULL, "meta2-G", "next", (SIGNAL_FUNC) key_combo); key_bind("key", NULL, "meta2-2~", "insert", (SIGNAL_FUNC) key_combo); key_bind("key", NULL, "meta2-3~", "delete", (SIGNAL_FUNC) key_combo); key_bind("key", NULL, "meta2-d", "cleft", (SIGNAL_FUNC) key_combo); key_bind("key", NULL, "meta2-c", "cright", (SIGNAL_FUNC) key_combo); key_bind("key", NULL, "meta2-5D", "cleft", (SIGNAL_FUNC) key_combo); key_bind("key", NULL, "meta2-5C", "cright", (SIGNAL_FUNC) key_combo); /* cursor movement */ key_bind("backward_character", "", "left", NULL, (SIGNAL_FUNC) key_backward_character); key_bind("forward_character", "", "right", NULL, (SIGNAL_FUNC) key_forward_character); key_bind("backward_word", "", "cleft", NULL, (SIGNAL_FUNC) key_backward_word); key_bind("forward_word", "", "cright", NULL, (SIGNAL_FUNC) key_forward_word); key_bind("backward_to_space", "", NULL, NULL, (SIGNAL_FUNC) key_backward_to_space); key_bind("forward_to_space", "", NULL, NULL, (SIGNAL_FUNC) key_forward_to_space); key_bind("beginning_of_line", "", "home", NULL, (SIGNAL_FUNC) key_beginning_of_line); key_bind("beginning_of_line", NULL, "^A", NULL, (SIGNAL_FUNC) key_beginning_of_line); key_bind("end_of_line", "", "end", NULL, (SIGNAL_FUNC) key_end_of_line); key_bind("end_of_line", NULL, "^E", NULL, (SIGNAL_FUNC) key_end_of_line); /* history */ key_bind("backward_history", "", "up", NULL, (SIGNAL_FUNC) key_backward_history); key_bind("forward_history", "", "down", NULL, (SIGNAL_FUNC) key_forward_history); /* line editing */ key_bind("backspace", "", "backspace", NULL, (SIGNAL_FUNC) key_backspace); key_bind("delete_character", "", "delete", NULL, (SIGNAL_FUNC) key_delete_character); key_bind("delete_character", NULL, "^D", NULL, (SIGNAL_FUNC) key_delete_character); key_bind("delete_next_word", "", NULL, NULL, (SIGNAL_FUNC) key_delete_next_word); key_bind("delete_previous_word", "meta-backspace", NULL, NULL, (SIGNAL_FUNC) key_delete_previous_word); key_bind("delete_to_previous_space", "", "^W", NULL, (SIGNAL_FUNC) key_delete_to_previous_space); key_bind("delete_to_next_space", "", "", NULL, (SIGNAL_FUNC) key_delete_to_next_space); key_bind("erase_line", "", "^U", NULL, (SIGNAL_FUNC) key_erase_line); key_bind("erase_to_beg_of_line", "", NULL, NULL, (SIGNAL_FUNC) key_erase_to_beg_of_line); key_bind("erase_to_end_of_line", "", "^K", NULL, (SIGNAL_FUNC) key_erase_to_end_of_line); key_bind("yank_from_cutbuffer", "", "^Y", NULL, (SIGNAL_FUNC) key_yank_from_cutbuffer); key_bind("transpose_characters", "Swap current and previous character", "^T", NULL, (SIGNAL_FUNC) key_transpose_characters); /* line transmitting */ key_bind("send_line", "Execute the input line", "return", NULL, (SIGNAL_FUNC) key_send_line); key_bind("word_completion", "", "^I", NULL, (SIGNAL_FUNC) key_word_completion); key_bind("erase_completion", "", "meta-k", NULL, (SIGNAL_FUNC) key_erase_completion); key_bind("check_replaces", "Check word replaces", NULL, NULL, (SIGNAL_FUNC) key_check_replaces); /* window managing */ key_bind("previous_window", "Previous window", "^P", NULL, (SIGNAL_FUNC) key_previous_window); key_bind("left_window", "Window in left", "meta-left", NULL, (SIGNAL_FUNC) key_left_window); key_bind("next_window", "Next window", "^N", NULL, (SIGNAL_FUNC) key_next_window); key_bind("right_window", "Window in right", "meta-right", NULL, (SIGNAL_FUNC) key_right_window); key_bind("upper_window", "Upper window", "meta-up", NULL, (SIGNAL_FUNC) key_upper_window); key_bind("lower_window", "Lower window", "meta-down", NULL, (SIGNAL_FUNC) key_lower_window); key_bind("active_window", "Go to next window with the highest activity", "meta-a", NULL, (SIGNAL_FUNC) key_active_window); key_bind("next_window_item", "Next channel/query", "^X", NULL, (SIGNAL_FUNC) key_next_window_item); key_bind("previous_window_item", "Previous channel/query", NULL, NULL, (SIGNAL_FUNC) key_previous_window_item); key_bind("refresh_screen", "Redraw screen", "^L", NULL, (SIGNAL_FUNC) irssi_redraw); key_bind("scroll_backward", "Previous page", "prior", NULL, (SIGNAL_FUNC) key_scroll_backward); key_bind("scroll_backward", NULL, "meta-p", NULL, (SIGNAL_FUNC) key_scroll_backward); key_bind("scroll_forward", "Next page", "next", NULL, (SIGNAL_FUNC) key_scroll_forward); key_bind("scroll_forward", NULL, "meta-n", NULL, (SIGNAL_FUNC) key_scroll_forward); key_bind("scroll_start", "Beginning of the window", "", NULL, (SIGNAL_FUNC) key_scroll_start); key_bind("scroll_end", "End of the window", "", NULL, (SIGNAL_FUNC) key_scroll_end); /* inserting special input characters to line.. */ key_bind("insert_text", "Append text to line", NULL, NULL, (SIGNAL_FUNC) key_insert_text); /* autoreplaces */ key_bind("multi", NULL, "return", "check_replaces;send_line", NULL); key_bind("multi", NULL, "space", "check_replaces;insert_text ", NULL); /* moving between windows */ for (n = 0; changekeys[n] != '\0'; n++) { key = g_strdup_printf("meta-%c", changekeys[n]); ltoa(data, n+1); key_bind("change_window", "Change window", key, data, (SIGNAL_FUNC) key_change_window); g_free(key); } /* misc */ key_bind("stop_irc", "Send SIGSTOP to client", "^Z", NULL, (SIGNAL_FUNC) key_sig_stop); key_configure_thaw(); signal_add("window changed automatic", (SIGNAL_FUNC) sig_window_auto_changed); signal_add("gui entry redirect", (SIGNAL_FUNC) sig_gui_entry_redirect); } void gui_readline_deinit(void) { g_free_not_null(cutbuffer); input_listen_deinit(); key_configure_freeze(); key_unbind("backward_character", (SIGNAL_FUNC) key_backward_character); key_unbind("forward_character", (SIGNAL_FUNC) key_forward_character); key_unbind("backward_word", (SIGNAL_FUNC) key_backward_word); key_unbind("forward_word", (SIGNAL_FUNC) key_forward_word); key_unbind("backward_to_space", (SIGNAL_FUNC) key_backward_to_space); key_unbind("forward_to_space", (SIGNAL_FUNC) key_forward_to_space); key_unbind("beginning_of_line", (SIGNAL_FUNC) key_beginning_of_line); key_unbind("end_of_line", (SIGNAL_FUNC) key_end_of_line); key_unbind("backward_history", (SIGNAL_FUNC) key_backward_history); key_unbind("forward_history", (SIGNAL_FUNC) key_forward_history); key_unbind("backspace", (SIGNAL_FUNC) key_backspace); key_unbind("delete_character", (SIGNAL_FUNC) key_delete_character); key_unbind("delete_next_word", (SIGNAL_FUNC) key_delete_next_word); key_unbind("delete_previous_word", (SIGNAL_FUNC) key_delete_previous_word); key_unbind("delete_to_next_space", (SIGNAL_FUNC) key_delete_to_next_space); key_unbind("delete_to_previous_space", (SIGNAL_FUNC) key_delete_to_previous_space); key_unbind("erase_line", (SIGNAL_FUNC) key_erase_line); key_unbind("erase_to_beg_of_line", (SIGNAL_FUNC) key_erase_to_beg_of_line); key_unbind("erase_to_end_of_line", (SIGNAL_FUNC) key_erase_to_end_of_line); key_unbind("yank_from_cutbuffer", (SIGNAL_FUNC) key_yank_from_cutbuffer); key_unbind("transpose_characters", (SIGNAL_FUNC) key_transpose_characters); key_unbind("word_completion", (SIGNAL_FUNC) key_word_completion); key_unbind("check_replaces", (SIGNAL_FUNC) key_check_replaces); key_unbind("previous_window", (SIGNAL_FUNC) key_previous_window); key_unbind("next_window", (SIGNAL_FUNC) key_next_window); key_unbind("upper_window", (SIGNAL_FUNC) key_upper_window); key_unbind("lower_window", (SIGNAL_FUNC) key_lower_window); key_unbind("active_window", (SIGNAL_FUNC) key_active_window); key_unbind("next_window_item", (SIGNAL_FUNC) key_next_window_item); key_unbind("previous_window_item", (SIGNAL_FUNC) key_previous_window_item); key_unbind("refresh_screen", (SIGNAL_FUNC) irssi_redraw); key_unbind("scroll_backward", (SIGNAL_FUNC) key_scroll_backward); key_unbind("scroll_forward", (SIGNAL_FUNC) key_scroll_forward); key_unbind("scroll_start", (SIGNAL_FUNC) key_scroll_start); key_unbind("scroll_end", (SIGNAL_FUNC) key_scroll_end); key_unbind("insert_text", (SIGNAL_FUNC) key_insert_text); key_unbind("change_window", (SIGNAL_FUNC) key_change_window); key_unbind("stop_irc", (SIGNAL_FUNC) key_sig_stop); keyboard_destroy(keyboard); key_configure_thaw(); signal_remove("window changed automatic", (SIGNAL_FUNC) sig_window_auto_changed); signal_remove("gui entry redirect", (SIGNAL_FUNC) sig_gui_entry_redirect); }