Merged from silc_1_0_branch (second merge).
[silc.git] / apps / irssi / src / fe-text / gui-readline.c
index 8fe1741089524393a68f6032d7220fd4f7ad5094..4de1936e3adc52b853ab2dbb6498172eea1a42cb 100644 (file)
@@ -33,6 +33,7 @@
 #include "term.h"
 #include "gui-entry.h"
 #include "gui-windows.h"
+#include "utf8.h"
 
 #include <signal.h>
 
@@ -47,8 +48,8 @@ typedef struct {
 
 static KEYBOARD_REC *keyboard;
 static ENTRY_REDIRECT_REC *redir;
+static int escape_next_key;
 
-char *cutbuffer;
 static int readtag;
 static time_t idle_time;
 
@@ -80,10 +81,10 @@ static void handle_key_redirect(int key)
        data = redir->data;
        g_free_and_null(redir);
 
+       gui_entry_set_prompt(active_entry, "");
+
        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)
@@ -97,12 +98,12 @@ static void handle_entry_redirect(const char *line)
        data = redir->data;
        g_free_and_null(redir);
 
+       gui_entry_set_prompt(active_entry, "");
+
        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)
@@ -133,34 +134,47 @@ static void window_next_page(void)
        gui_window_scroll(active_win, get_scroll_count());
 }
 
-void handle_key(int key)
+static void sig_gui_key_pressed(gpointer keyp)
 {
-       char str[3];
+        unichar key;
+       char str[20];
 
-       idle_time = time(NULL);
+       key = GPOINTER_TO_INT(keyp);
 
        if (redir != NULL && redir->flags & ENTRY_REDIRECT_FLAG_HOTKEY) {
                handle_key_redirect(key);
                return;
        }
 
-       if (key >= 0 && key < 32) {
+       idle_time = time(NULL);
+
+       if (key < 32) {
                /* control key */
                 str[0] = '^';
-               str[1] = key+'@';
+               str[1] = (char)key+'@';
                 str[2] = '\0';
        } else if (key == 127) {
                 str[0] = '^';
                str[1] = '?';
                 str[2] = '\0';
-       } else {
-               str[0] = key;
+       } else if (!active_entry->utf8) {
+               str[0] = (char)key;
                str[1] = '\0';
+       } else {
+                /* need to convert to utf8 */
+               str[utf16_char_to_utf8(key, str)] = '\0';
+       }
+
+       if (strcmp(str, "^") == 0) {
+               /* change it as ^^ */
+               str[1] = '^';
+               str[2] = '\0';
        }
 
-       if (!key_pressed(keyboard, str)) {
-                /* key wasn't used for anything, print it */
-               gui_entry_insert_char(active_entry, (char) key);
+       if (escape_next_key || !key_pressed(keyboard, str)) {
+               /* key wasn't used for anything, print it */
+                escape_next_key = FALSE;
+               gui_entry_insert_char(active_entry, key);
        }
 }
 
@@ -168,13 +182,13 @@ static void key_send_line(void)
 {
        HISTORY_REC *history;
         char *str, *add_history;
+       gint flags = (redir ? redir->flags : 0);
 
        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);
+       add_history = *str == '\0' ? NULL : g_strdup(str);
        history = command_history_current(active_win);
 
        translate_output(str);
@@ -184,9 +198,13 @@ static void key_send_line(void)
                            active_win->active_server,
                            active_win->active);
        } else {
-               if (redir->flags & ENTRY_REDIRECT_FLAG_HIDDEN)
+               if (flags & ENTRY_REDIRECT_FLAG_HIDDEN && add_history) {
+                       memset(add_history, 0, strlen(add_history));
                         g_free_and_null(add_history);
+               }
                handle_entry_redirect(str);
+               if (flags & ENTRY_REDIRECT_FLAG_HIDDEN && str)
+                       memset(str, 0, strlen(str));
        }
 
        if (add_history != NULL) {
@@ -199,6 +217,8 @@ static void key_send_line(void)
        if (active_entry != NULL)
                gui_entry_set_text(active_entry, "");
        command_history_clear_pos(active_win);
+
+        g_free(str);
 }
 
 static void key_combo(void)
@@ -208,17 +228,23 @@ static void key_combo(void)
 static void key_backward_history(void)
 {
        const char *text;
+        char *line;
 
-       text = command_history_prev(active_win, gui_entry_get_text(active_entry));
+       line = gui_entry_get_text(active_entry);
+       text = command_history_prev(active_win, line);
        gui_entry_set_text(active_entry, text);
+        g_free(line);
 }
 
 static void key_forward_history(void)
 {
        const char *text;
+       char *line;
 
-       text = command_history_next(active_win, gui_entry_get_text(active_entry));
+       line = gui_entry_get_text(active_entry);
+       text = command_history_next(active_win, line);
        gui_entry_set_text(active_entry, text);
+        g_free(line);
 }
 
 static void key_beginning_of_line(void)
@@ -228,7 +254,7 @@ static void key_beginning_of_line(void)
 
 static void key_end_of_line(void)
 {
-       gui_entry_set_pos(active_entry, strlen(gui_entry_get_text(active_entry)));
+       gui_entry_set_pos(active_entry, active_entry->text_len);
 }
 
 static void key_backward_character(void)
@@ -263,10 +289,8 @@ static void key_forward_to_space(void)
 
 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, "");
+       gui_entry_set_pos(active_entry, active_entry->text_len);
+       gui_entry_erase(active_entry, active_entry->text_len, TRUE);
 }
 
 static void key_erase_to_beg_of_line(void)
@@ -274,10 +298,7 @@ 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);
+       gui_entry_erase(active_entry, pos, TRUE);
 }
 
 static void key_erase_to_end_of_line(void)
@@ -285,50 +306,37 @@ 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);
+       gui_entry_set_pos(active_entry, active_entry->text_len);
+       gui_entry_erase(active_entry, active_entry->text_len - pos, TRUE);
 }
 
 static void key_yank_from_cutbuffer(void)
 {
-       if (cutbuffer != NULL)
+       char *cutbuffer;
+
+        cutbuffer = gui_entry_get_cutbuffer(active_entry);
+       if (cutbuffer != NULL) {
                gui_entry_insert_text(active_entry, cutbuffer);
+                g_free(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);
+       gui_entry_transpose_chars(active_entry);
 }
 
 static void key_delete_character(void)
 {
-       if (gui_entry_get_pos(active_entry) < (int)strlen(gui_entry_get_text(active_entry))) {
+       if (gui_entry_get_pos(active_entry) < active_entry->text_len) {
                gui_entry_move_pos(active_entry, 1);
-               gui_entry_erase(active_entry, 1);
+               gui_entry_erase(active_entry, 1, FALSE);
        }
 }
 
 static void key_backspace(void)
 {
-       gui_entry_erase(active_entry, 1);
+       gui_entry_erase(active_entry, 1, FALSE);
 }
 
 static void key_delete_previous_word(void)
@@ -353,7 +361,7 @@ static void key_delete_to_next_space(void)
 
 static void sig_input(void)
 {
-        unsigned char buffer[128];
+        unichar buffer[128];
        int ret, i;
 
        if (!active_entry) {
@@ -361,14 +369,16 @@ static void sig_input(void)
                return;
        }
 
-       ret = term_gets(buffer, sizeof(buffer));
+       ret = term_gets(buffer, sizeof(buffer)/sizeof(buffer[0]));
        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]);
+               for (i = 0; i < ret; i++) {
+                       signal_emit("gui key pressed", 1,
+                                   GINT_TO_POINTER(buffer[i]));
+               }
        }
 }
 
@@ -404,13 +414,15 @@ static void key_change_window(const char *data)
 
 static void key_completion(int erase)
 {
-       char *line;
+       char *text, *line;
        int pos;
 
        pos = gui_entry_get_pos(active_entry);
 
-       line = word_complete(active_win, gui_entry_get_text(active_entry),
-                            &pos, erase);
+        text = gui_entry_get_text(active_entry);
+       line = word_complete(active_win, text, &pos, erase);
+       g_free(text);
+
        if (line != NULL) {
                gui_entry_set_text(active_entry, line);
                gui_entry_set_pos(active_entry, pos);
@@ -430,12 +442,15 @@ static void key_erase_completion(void)
 
 static void key_check_replaces(void)
 {
-       char *line;
+       char *text, *line;
        int pos;
 
        pos = gui_entry_get_pos(active_entry);
 
-       line = auto_word_complete(gui_entry_get_text(active_entry), &pos);
+        text = gui_entry_get_text(active_entry);
+       line = auto_word_complete(text, &pos);
+       g_free(text);
+
        if (line != NULL) {
                gui_entry_set_text(active_entry, line);
                gui_entry_set_pos(active_entry, pos);
@@ -478,48 +493,108 @@ static void key_active_window(void)
        signal_emit("command window goto", 3, "active", active_win->active_server, active_win->active);
 }
 
+static SERVER_REC *get_prev_server(SERVER_REC *current)
+{
+       int pos;
+
+       if (current == NULL) {
+               return servers != NULL ? g_slist_last(servers)->data :
+                       lookup_servers != NULL ?
+                       g_slist_last(lookup_servers)->data : NULL;
+       }
+
+       /* connect2 -> connect1 -> server2 -> server1 -> connect2 -> .. */
+
+       pos = g_slist_index(servers, current);
+       if (pos != -1) {
+               if (pos > 0)
+                       return g_slist_nth(servers, pos-1)->data;
+               if (lookup_servers != NULL)
+                       return g_slist_last(lookup_servers)->data;
+               return g_slist_last(servers)->data;
+       }
+
+       pos = g_slist_index(lookup_servers, current);
+       g_assert(pos >= 0);
+
+       if (pos > 0)
+               return g_slist_nth(lookup_servers, pos-1)->data;
+       if (servers != NULL)
+               return g_slist_last(servers)->data;
+       return g_slist_last(lookup_servers)->data;
+}
+
+static SERVER_REC *get_next_server(SERVER_REC *current)
+{
+       GSList *pos;
+
+       if (current == NULL) {
+               return servers != NULL ? servers->data :
+                       lookup_servers != NULL ? lookup_servers->data : NULL;
+       }
+
+       /* server1 -> server2 -> connect1 -> connect2 -> server1 -> .. */
+
+       pos = g_slist_find(servers, current);
+       if (pos != NULL) {
+               if (pos->next != NULL)
+                       return pos->next->data;
+               if (lookup_servers != NULL)
+                       return lookup_servers->data;
+               return servers->data;
+       }
+
+       pos = g_slist_find(lookup_servers, current);
+       g_assert(pos != NULL);
+
+       if (pos->next != NULL)
+               return pos->next->data;
+       if (servers != NULL)
+               return servers->data;
+       return lookup_servers->data;
+}
+
 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) {
+       if (active_win->items != NULL) {
+               signal_emit("command window item prev", 3, "",
+                           active_win->active_server, active_win->active);
+       } else if (servers != NULL || lookup_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);
+               server = active_win->active_server;
+               if (server == NULL)
+                       server = active_win->connect_server;
+               server = get_prev_server(server);
+               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) {
+       } else if (servers != NULL || lookup_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;
-               }
+               server = active_win->active_server;
+               if (server == NULL)
+                       server = active_win->connect_server;
+               server = get_next_server(server);
                signal_emit("command window server", 3, server->tag,
                            active_win->active_server, active_win->active);
        }
 }
 
+static void key_escape(void)
+{
+        escape_next_key = TRUE;
+}
+
 static void key_insert_text(const char *data)
 {
        char *str;
@@ -537,11 +612,15 @@ static void key_sig_stop(void)
 
 static void sig_window_auto_changed(void)
 {
+       char *text;
+
        if (active_entry == NULL)
                return;
 
-       command_history_next(active_win, gui_entry_get_text(active_entry));
+        text = gui_entry_get_text(active_entry);
+       command_history_next(active_win, text);
        gui_entry_set_text(active_entry, "");
+        g_free(text);
 }
 
 static void sig_gui_entry_redirect(SIGNAL_FUNC func, const char *entry,
@@ -563,7 +642,7 @@ void gui_readline_init(void)
        char *key, data[MAX_INT_STRLEN];
        int n;
 
-       cutbuffer = NULL;
+        escape_next_key = FALSE;
        redir = NULL;
        idle_time = time(NULL);
         input_listen_init(STDIN_FILENO);
@@ -578,6 +657,7 @@ void gui_readline_init(void)
        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);
+       key_bind("key", NULL, "^I", "tab", (SIGNAL_FUNC) key_combo);
 
         /* meta */
        key_bind("key", NULL, "^[", "meta", (SIGNAL_FUNC) key_combo);
@@ -616,7 +696,9 @@ void gui_readline_init(void)
        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("backward_word", NULL, "meta-b", NULL, (SIGNAL_FUNC) key_backward_word);
        key_bind("forward_word", "", "cright", NULL, (SIGNAL_FUNC) key_forward_word);
+       key_bind("forward_word", NULL, "meta-f", 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);
@@ -632,7 +714,7 @@ void gui_readline_init(void)
        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_next_word", "meta-d", 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);
@@ -644,17 +726,17 @@ void gui_readline_init(void)
 
         /* 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("word_completion", "", "tab", 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("left_window", "Window in left", "meta-left", NULL, (SIGNAL_FUNC) key_left_window);
+       key_bind("right_window", "Window in right", "meta-right", NULL, (SIGNAL_FUNC) key_right_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);
@@ -668,6 +750,7 @@ void gui_readline_init(void)
        key_bind("scroll_end", "End of the window", "", NULL, (SIGNAL_FUNC) key_scroll_end);
 
         /* inserting special input characters to line.. */
+       key_bind("escape_char", "Escape the next keypress", NULL, NULL, (SIGNAL_FUNC) key_escape);
        key_bind("insert_text", "Append text to line", NULL, NULL, (SIGNAL_FUNC) key_insert_text);
 
         /* autoreplaces */
@@ -689,11 +772,11 @@ void gui_readline_init(void)
 
        signal_add("window changed automatic", (SIGNAL_FUNC) sig_window_auto_changed);
        signal_add("gui entry redirect", (SIGNAL_FUNC) sig_gui_entry_redirect);
+       signal_add("gui key pressed", (SIGNAL_FUNC) sig_gui_key_pressed);
 }
 
 void gui_readline_deinit(void)
 {
-       g_free_not_null(cutbuffer);
         input_listen_deinit();
 
         key_configure_freeze();
@@ -722,13 +805,17 @@ void gui_readline_deinit(void)
        key_unbind("yank_from_cutbuffer", (SIGNAL_FUNC) key_yank_from_cutbuffer);
        key_unbind("transpose_characters", (SIGNAL_FUNC) key_transpose_characters);
 
+       key_unbind("send_line", (SIGNAL_FUNC) key_send_line);
        key_unbind("word_completion", (SIGNAL_FUNC) key_word_completion);
+       key_unbind("erase_completion", (SIGNAL_FUNC) key_erase_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("left_window", (SIGNAL_FUNC) key_left_window);
+       key_unbind("right_window", (SIGNAL_FUNC) key_right_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);
@@ -739,6 +826,7 @@ void gui_readline_deinit(void)
        key_unbind("scroll_start", (SIGNAL_FUNC) key_scroll_start);
        key_unbind("scroll_end", (SIGNAL_FUNC) key_scroll_end);
 
+       key_unbind("escape_char", (SIGNAL_FUNC) key_escape);
        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);
@@ -748,4 +836,5 @@ void gui_readline_deinit(void)
 
        signal_remove("window changed automatic", (SIGNAL_FUNC) sig_window_auto_changed);
        signal_remove("gui entry redirect", (SIGNAL_FUNC) sig_gui_entry_redirect);
+       signal_remove("gui key pressed", (SIGNAL_FUNC) sig_gui_key_pressed);
 }