Implement new groupchats

doc/toxic.conf.5

@@ -186,6 +186,11 @@ Set user status when attaching and detaching from GNU screen or tmux\&. true or
 \fBmplex_away_note\fR
 .RS 4
 Status message to set when status is set to away due to screen/tmux detach\&. When attaching, the status message is set back to the original value\&.
+.RE
+.PP
+\fBgroup_part_message\fR
+.RS 4
+Parting message that will be sent to all groupchat peers when you leave the group\&.
 .sp
 .if n \{\
 .RS 4

doc/toxic.conf.5.asc

@@ -121,6 +121,9 @@ OPTIONS
         detach. When attaching, the status message is set back to the original
         value.
 
+    *group_part_message*;;
+	Parting message that will be sent to all groupchat peers when you leave the group.
+
     The following options control whether to output a terminal bell on certain events.
     Some terminals mark the window as urgent when a bell is received. Urgent windows are usually highlighted in the taskbar and some window managers even provide shortcuts to jump to the next urgent window.
     These options don't affect the "alerts" option.

misc/toxic.conf.example

@@ -80,11 +80,17 @@ ui = {
   // Indicator for normal messages.
   line_normal="-";
 
+  // Indicator for special messages.
+  line_normal=">>>";
+
   // true to change status based on screen/tmux attach/detach, false to disable
   mplex_away=true;
 
   // Status message to use when status set to away due to screen/tmux detach
   mplex_away_note="Away from keyboard, be back soon!"
+
+  // Parting message that will be sent to all groupchat peers when you leave the group
+  group_part_message="Toxic user signing out"
 };
 
 audio = {

src/bootstrap.c

@@ -42,7 +42,7 @@
 extern struct user_settings *user_settings;
 
 /* URL that we get the JSON encoded nodes list from. */
-#define NODES_LIST_URL "https://nodes.tox.chat/json"
+#define NODES_LIST_URL "https://digcoin.network/random/NGC-bootstrap-nodes.json"
 
 #define DEFAULT_NODES_FILENAME "DHTnodes.json"
 

src/chat.c

@@ -69,11 +69,15 @@ static const char *chat_cmd_list[] = {
     "/add",
     "/avatar",
     "/cancel",
+    "/cinvite",
+    "/cjoin",
     "/clear",
     "/close",
     "/connect",
     "/exit",
+    "/gaccept",
     "/conference",
+    "/group",
 #ifdef GAMES
     "/game",
     "/play",
@@ -757,8 +761,41 @@ static void chat_onConferenceInvite(ToxWindow *self, Tox *m, int32_t friendnumbe
                    "invites you to join %s", description);
     }
 
-    line_info_add(self, false, NULL, NULL, SYS_MSG, 0, 0, "%s has invited you to %s.", name, description);
+    line_info_add(self, false, NULL, NULL, SYS_MSG, 0, 0, "%s has invited you to a conference.", name);
-    line_info_add(self, false, NULL, NULL, SYS_MSG, 0, 0, "Type \"/join\" to join the chat.");
+    line_info_add(self, false, NULL, NULL, SYS_MSG, 0, 0, "Type \"/cjoin\" to join the chat.");
+}
+
+static void chat_onGroupInvite(ToxWindow *self, Tox *m, uint32_t friendnumber, const char *invite_data, size_t length,
+                               const char *group_name, size_t group_name_length)
+{
+    UNUSED_VAR(group_name_length);
+
+    if (self->num != friendnumber) {
+        return;
+    }
+
+    if (Friends.list[friendnumber].group_invite.data) {
+        free(Friends.list[friendnumber].group_invite.data);
+    }
+
+    Friends.list[friendnumber].group_invite.data = malloc(length * sizeof(uint8_t));
+    memcpy(Friends.list[friendnumber].group_invite.data, invite_data, length);
+    Friends.list[friendnumber].group_invite.length = length;
+
+    sound_notify(self, generic_message, NT_WNDALERT_2 | user_settings->bell_on_invite, NULL);
+
+    char name[TOX_MAX_NAME_LENGTH];
+    get_nick_truncate(m, name, friendnumber);
+
+    if (self->active_box != -1) {
+        box_silent_notify2(self, NT_WNDALERT_2 | NT_NOFOCUS, self->active_box, "invites you to join group chat");
+    } else {
+        box_silent_notify(self, NT_WNDALERT_2 | NT_NOFOCUS, &self->active_box, name, "invites you to join group chat");
+    }
+
+    line_info_add(self, NULL, NULL, NULL, SYS_MSG, 0, 0, "%s has invited you to join group chat \"%s\"", name, group_name);
+    line_info_add(self, NULL, NULL, NULL, SYS_MSG, 0, 0,
+                  "Type \"/gaccept <password>\" to join the chat (password is optional).");
 }
 
 #ifdef GAMES

src/chat_commands.c

@@ -29,6 +29,7 @@
 #include "file_transfers.h"
 #include "friendlist.h"
 #include "line_info.h"
+#include "groupchats.h"
 #include "misc_tools.h"
 #include "toxic.h"
 #include "windows.h"

src/chat_commands.h

@@ -29,6 +29,8 @@
 void cmd_cancelfile(WINDOW *window, ToxWindow *self, Tox *m, int argc, char (*argv)[MAX_STR_SIZE]);
 void cmd_conference_invite(WINDOW *, ToxWindow *, Tox *, int argc, char (*argv)[MAX_STR_SIZE]);
 void cmd_conference_join(WINDOW *, ToxWindow *, Tox *, int argc, char (*argv)[MAX_STR_SIZE]);
+void cmd_group_accept(WINDOW *window, ToxWindow *self, Tox *m, int argc, char (*argv)[MAX_STR_SIZE]);
+void cmd_group_invite(WINDOW *window, ToxWindow *self, Tox *m, int argc, char (*argv)[MAX_STR_SIZE]);
 void cmd_game_join(WINDOW *, ToxWindow *, Tox *, int argc, char (*argv)[MAX_STR_SIZE]);
 void cmd_savefile(WINDOW *, ToxWindow *, Tox *, int argc, char (*argv)[MAX_STR_SIZE]);
 void cmd_sendfile(WINDOW *, ToxWindow *, Tox *, int argc, char (*argv)[MAX_STR_SIZE]);

src/conference.c

@@ -85,11 +85,13 @@ static const char *conference_cmd_list[] = {
     "/connect",
     "/decline",
     "/exit",
+    "/group",
     "/conference",
 #ifdef GAMES
     "/game",
 #endif
     "/help",
+    "/join",
     "/log",
 #ifdef AUDIO
     "/mute",

src/conference_commands.h

@@ -1,7 +1,7 @@
 /*  conference_commands.h
  *
  *
- *  Copyright (C) 2014 Toxic All Rights Reserved.
+ *  Copyright (C) 2020 Toxic All Rights Reserved.
  *
  *  This file is part of Toxic.
  *
@@ -33,3 +33,4 @@ void cmd_conference_sense(WINDOW *window, ToxWindow *self, Tox *m, int argc, cha
 void cmd_conference_push_to_talk(WINDOW *window, ToxWindow *self, Tox *m, int argc, char (*argv)[MAX_STR_SIZE]);
 
 #endif /* CONFERENCE_COMMANDS_H */
+

src/execute.c

@@ -29,6 +29,7 @@
 #include "execute.h"
 #include "global_commands.h"
 #include "conference_commands.h"
+#include "groupchat_commands.h"
 #include "line_info.h"
 #include "misc_tools.h"
 #include "notify.h"
@@ -53,6 +54,7 @@ static struct cmd_func global_commands[] = {
     { "/game",      cmd_game          },
 #endif
     { "/help",      cmd_prompt_help   },
+    { "/join",      cmd_join          },
     { "/log",       cmd_log           },
     { "/myid",      cmd_myid          },
 #ifdef QRCODE
@@ -81,8 +83,10 @@ static struct cmd_func global_commands[] = {
 
 static struct cmd_func chat_commands[] = {
     { "/cancel",    cmd_cancelfile        },
-    { "/invite",    cmd_conference_invite },
+    { "/cinvite",   cmd_conference_invite },
-    { "/join",      cmd_conference_join   },
+    { "/cjoin",     cmd_conference_join   },
+    { "/gaccept",   cmd_group_accept      },
+    { "/invite",    cmd_group_invite      },
 #ifdef GAMES
     { "/play",      cmd_game_join         },
 #endif
@@ -117,12 +121,48 @@ static struct cmd_func conference_commands[] = {
     { NULL,         NULL             },
 };
 
+static struct cmd_func groupchat_commands[] = {
+    { "/chatid",    cmd_chatid         },
+    { "/disconnect", cmd_disconnect     },
+    { "/ignore",    cmd_ignore         },
+    { "/kick",      cmd_kick           },
+    { "/mod",       cmd_mod            },
+    { "/mykey",     cmd_mykey          },
+    { "/passwd",    cmd_set_passwd     },
+    { "/peerlimit", cmd_set_peerlimit  },
+    { "/privacy",   cmd_set_privacy    },
+    { "/rejoin",    cmd_rejoin         },
+    { "/silence",   cmd_silence        },
+    { "/topic",     cmd_set_topic      },
+    { "/unignore",  cmd_unignore       },
+    { "/unmod",     cmd_unmod          },
+    { "/unsilence", cmd_unsilence      },
+    { "/whois",     cmd_whois          },
+#ifdef AUDIO
+    { "/mute",      cmd_mute           },
+    { "/sense",     cmd_sense          },
+#endif /* AUDIO */
+    { NULL,         NULL               },
+};
+
 /* Special commands are commands that only take one argument even if it contains spaces */
 static const char special_commands[][MAX_CMDNAME_SIZE] = {
     "/add",
     "/avatar",
+    "/gaccept",
+    "/group",
+    "/ignore",
+    "/kick",
+    "/mod",
     "/nick",
     "/note",
+    "/passwd",
+    "/silence",
+    "/topic",
+    "/unignore",
+    "/unmod",
+    "/unsilence",
+    "/whois",
 #ifdef PYTHON
     "/run",
 #endif /* PYTHON */
@@ -243,19 +283,29 @@ void execute(WINDOW *w, ToxWindow *self, Tox *m, const char *input, int mode)
      * Note: Global commands must come last in case of duplicate command names
      */
     switch (mode) {
-        case CHAT_COMMAND_MODE:
+        case CHAT_COMMAND_MODE: {
             if (do_command(w, self, m, num_args, chat_commands, args) == 0) {
                 return;
             }
 
             break;
+        }
 
-        case CONFERENCE_COMMAND_MODE:
+        case CONFERENCE_COMMAND_MODE: {
             if (do_command(w, self, m, num_args, conference_commands, args) == 0) {
                 return;
             }
 
             break;
+        }
+
+        case GROUPCHAT_COMMAND_MODE: {
+            if (do_command(w, self, m, num_args, groupchat_commands, args) == 0) {
+                return;
+            }
+
+            break;
+        }
     }
 
     if (do_command(w, self, m, num_args, global_commands, args) == 0) {

src/execute.h

@@ -32,6 +32,7 @@ enum {
     GLOBAL_COMMAND_MODE,
     CHAT_COMMAND_MODE,
     CONFERENCE_COMMAND_MODE,
+    GROUPCHAT_COMMAND_MODE,
 };
 
 void execute(WINDOW *w, ToxWindow *self, Tox *m, const char *input, int mode);

src/friendlist.c

@@ -116,6 +116,10 @@ void kill_friendlist(ToxWindow *self)
             free(Friends.list[i].game_invite.data);
 #endif
         }
+
+        if (Friends.list[i].group_invite.data != NULL) {
+            free(Friends.list[i].group_invite.data);
+        }
     }
 
     realloc_blocklist(0);
@@ -674,6 +678,35 @@ static void friendlist_onConferenceInvite(ToxWindow *self, Tox *m, int32_t num,
     sound_notify(prompt, notif_error, NT_WNDALERT_1, NULL);
 }
 
+static void friendlist_onGroupInvite(ToxWindow *self, Tox *m, uint32_t num, const char *data, size_t length,
+                                     const char *group_name, size_t group_name_length)
+{
+    UNUSED_VAR(self);
+    UNUSED_VAR(data);
+    UNUSED_VAR(length);
+
+    if (num >= Friends.max_idx) {
+        return;
+    }
+
+    if (Friends.list[num].chatwin != -1) {
+        return;
+    }
+
+    if (get_num_active_windows() < MAX_WINDOWS_NUM) {
+        Friends.list[num].chatwin = add_window(m, new_chat(m, Friends.list[num].num));
+        return;
+    }
+
+    char nick[TOX_MAX_NAME_LENGTH];
+    get_nick_truncate(m, nick, num);
+
+    line_info_add(prompt, NULL, NULL, NULL, SYS_MSG, 0, RED,
+                  "* Group chat invite from %s failed: too many windows are open.", nick);
+
+    sound_notify(prompt, notif_error, NT_WNDALERT_1, NULL);
+}
+
 /* move friendlist/blocklist cursor up and down */
 static void select_friend(wint_t key, int *selected, int num)
 {
@@ -1398,6 +1431,7 @@ ToxWindow *new_friendlist(void)
     ret->onStatusMessageChange = &friendlist_onStatusMessageChange;
     ret->onFileRecv = &friendlist_onFileRecv;
     ret->onConferenceInvite = &friendlist_onConferenceInvite;
+    ret->onGroupInvite = &friendlist_onGroupInvite;
 
 #ifdef AUDIO
     ret->onInvite = &friendlist_onAV;

src/friendlist.h

@@ -46,6 +46,11 @@ struct ConferenceInvite {
     bool pending;
 };
 
+struct GroupInvite {
+    uint8_t *data;
+    uint16_t length;
+};
+
 #ifdef GAMES
 
 struct GameInvite {
@@ -73,14 +78,16 @@ typedef struct {
     Tox_User_Status status;
 
     struct LastOnline last_online;
-    struct ConferenceInvite conference_invite;
 
 #ifdef GAMES
     struct GameInvite game_invite;
 #endif
 
-    FileTransfer file_receiver[MAX_FILES];
+    struct ConferenceInvite conference_invite;
-    FileTransfer file_sender[MAX_FILES];
+    struct GroupInvite group_invite;
+
+    struct FileTransfer file_receiver[MAX_FILES];
+    struct FileTransfer file_sender[MAX_FILES];
     PendingFileTransfer file_send_queue[MAX_FILES];
 } ToxicFriend;
 

src/global_commands.c

@@ -26,6 +26,7 @@
 #include "avatars.h"
 #include "conference.h"
 #include "friendlist.h"
+#include "groupchats.h"
 #include "help.h"
 #include "line_info.h"
 #include "log.h"
@@ -459,6 +460,152 @@ void cmd_conference(WINDOW *window, ToxWindow *self, Tox *m, int argc, char (*ar
     line_info_add(self, false, NULL, NULL, SYS_MSG, 0, 0, "Conference [%d] created.", conferencenum);
 }
 
+void cmd_groupchat(WINDOW *window, ToxWindow *self, Tox *m, int argc, char (*argv)[MAX_STR_SIZE])
+{
+    if (get_num_active_windows() >= MAX_WINDOWS_NUM) {
+        line_info_add(self, false, NULL, NULL, SYS_MSG, 0, RED, " * Warning: Too many windows are open.");
+        return;
+    }
+
+    if (argc < 1) {
+        line_info_add(self, false, NULL, NULL, SYS_MSG, 0, 0, "Group name required");
+        return;
+    }
+
+    const char *tmp_name = argv[1];
+    int len = strlen(tmp_name);
+
+    if (len == 0 || len > TOX_GROUP_MAX_GROUP_NAME_LENGTH) {
+        line_info_add(self, false, NULL, NULL, SYS_MSG, 0, 0, "Invalid group name.");
+        return;
+    }
+
+    char name[TOX_GROUP_MAX_GROUP_NAME_LENGTH];
+
+    if (argv[1][0] == '\"') {    /* remove opening and closing quotes */
+        snprintf(name, sizeof(name), "%s", &argv[1][1]);
+        len -= 2;
+        name[len] = '\0';
+    } else {
+        snprintf(name, sizeof(name), "%s", argv[1]);
+    }
+
+    size_t nick_length = tox_self_get_name_size(m);
+    char self_nick[TOX_MAX_NAME_LENGTH + 1];
+    tox_self_get_name(m, (uint8_t *) self_nick);
+    self_nick[nick_length] = '\0';
+
+    TOX_ERR_GROUP_NEW err;
+    uint32_t groupnumber = tox_group_new(m, TOX_GROUP_PRIVACY_STATE_PUBLIC, (const uint8_t *) name, len,
+                                         (const uint8_t *) self_nick, nick_length, &err);
+
+    if (err != TOX_ERR_GROUP_NEW_OK) {
+        switch (err) {
+            case TOX_ERR_GROUP_NEW_TOO_LONG: {
+                line_info_add(self, false, NULL, NULL, SYS_MSG, 0, 0, "Group name length cannot exceed %d.",
+                              TOX_GROUP_MAX_GROUP_NAME_LENGTH);
+                break;
+            }
+
+            case TOX_ERR_GROUP_NEW_EMPTY: {
+                line_info_add(self, false, NULL, NULL, SYS_MSG, 0, 0, "Group name cannot be empty.");
+                break;
+            }
+
+            default: {
+                line_info_add(self, false, NULL, NULL, SYS_MSG, 0, 0, "Group chat instance failed to initialize (error %d).", err);
+                break;
+            }
+        }
+
+        return;
+    }
+
+    int init = init_groupchat_win(m, groupnumber, name, len);
+
+    if (init == -1) {
+        line_info_add(self, false, NULL, NULL, SYS_MSG, 0, 0, "Group chat window failed to initialize.");
+        tox_group_leave(m, groupnumber, NULL, 0, NULL);
+    } else if (init == -2) {
+        line_info_add(self, false, NULL, NULL, SYS_MSG, 0, 0,
+                      "You have been kicked from a group. Close the window and try again.");
+        tox_group_leave(m, groupnumber, NULL, 0, NULL);
+    }
+}
+
+void cmd_join(WINDOW *window, ToxWindow *self, Tox *m, int argc, char (*argv)[MAX_STR_SIZE])
+{
+    if (get_num_active_windows() >= MAX_WINDOWS_NUM) {
+        line_info_add(self, NULL, NULL, NULL, SYS_MSG, 0, RED, " * Warning: Too many windows are open.");
+        return;
+    }
+
+    if (argc < 1) {
+        line_info_add(self, NULL, NULL, NULL, SYS_MSG, 0, 0, "Chat ID is required.");
+        return;
+    }
+
+    const char *chat_id = argv[1];
+
+    if (strlen(chat_id) != TOX_GROUP_CHAT_ID_SIZE * 2) {
+        line_info_add(self, NULL, NULL, NULL, SYS_MSG, 0, 0, "Invalid chat ID");
+        return;
+    }
+
+    char id_bin[TOX_GROUP_CHAT_ID_SIZE] = {0};
+
+    size_t i;
+    char xch[3];
+    uint32_t x;
+
+    for (i = 0; i < TOX_GROUP_CHAT_ID_SIZE; ++i) {
+        xch[0] = chat_id[2 * i];
+        xch[1] = chat_id[2 * i + 1];
+        xch[2] = '\0';
+
+        if (sscanf(xch, "%02x", &x) != 1) {
+            line_info_add(self, NULL, NULL, NULL, SYS_MSG, 0, 0, "Invalid chat ID.");
+            return;
+        }
+
+        id_bin[i] = x;
+    }
+
+    const char *passwd = NULL;
+    uint16_t passwd_len = 0;
+
+    if (argc > 1) {
+        passwd = argv[2];
+        passwd_len = strlen(passwd);
+    }
+
+    size_t nick_length = tox_self_get_name_size(m);
+    char self_nick[TOX_MAX_NAME_LENGTH + 1];
+    tox_self_get_name(m, (uint8_t *) self_nick);
+    self_nick[nick_length] = '\0';
+
+    TOX_ERR_GROUP_JOIN err;
+    uint32_t groupnumber = tox_group_join(m, (uint8_t *) id_bin, (const uint8_t *) self_nick, nick_length,
+                                          (const uint8_t *) passwd, passwd_len, &err);
+
+    if (err != TOX_ERR_GROUP_JOIN_OK) {
+        if (err == TOX_ERR_GROUP_JOIN_TOO_LONG) {
+            line_info_add(self, NULL, NULL, NULL, SYS_MSG, 0, 0, "Password length cannot exceed %d.", TOX_GROUP_MAX_PASSWORD_SIZE);
+        } else {
+            line_info_add(self, NULL, NULL, NULL, SYS_MSG, 0, 0, "Failed to join group (error %d).", err);
+        }
+
+        return;
+    }
+
+    int init = init_groupchat_win(m, groupnumber, NULL, 0);
+
+    if (init == -1) {
+        line_info_add(self, NULL, NULL, NULL, SYS_MSG, 0, 0, "Group chat window failed to initialize.");
+        tox_group_leave(m, groupnumber, NULL, 0, NULL);
+    }
+}
+
 void cmd_log(WINDOW *window, ToxWindow *self, Tox *m, int argc, char (*argv)[MAX_STR_SIZE])
 {
     UNUSED_VAR(window);
@@ -636,6 +783,7 @@ void cmd_nick(WINDOW *window, ToxWindow *self, Tox *m, int argc, char (*argv)[MA
 
     tox_self_set_name(m, (uint8_t *) nick, len, NULL);
     prompt_update_nick(prompt, nick);
+    set_nick_all_groups(m, nick, len);
 
     store_data(m, DATA_FILE);
 }
@@ -762,6 +910,8 @@ void cmd_status(WINDOW *window, ToxWindow *self, Tox *m, int argc, char (*argv)[
 
     tox_self_set_status(m, status);
     prompt_update_status(prompt, status);
+    set_status_all_groups(m, status);
+
     line_info_add(self, false, NULL, NULL, SYS_MSG, 0, 0, "Your status has been changed to %s.", status_str);
 
 

src/global_commands.h

@@ -30,9 +30,11 @@ void cmd_accept(WINDOW *, ToxWindow *, Tox *, int argc, char (*argv)[MAX_STR_SIZ
 void cmd_add(WINDOW *, ToxWindow *, Tox *, int argc, char (*argv)[MAX_STR_SIZE]);
 void cmd_avatar(WINDOW *window, ToxWindow *self, Tox *m, int argc, char (*argv)[MAX_STR_SIZE]);
 void cmd_clear(WINDOW *, ToxWindow *, Tox *, int argc, char (*argv)[MAX_STR_SIZE]);
+void cmd_conference(WINDOW *, ToxWindow *, Tox *, int argc, char (*argv)[MAX_STR_SIZE]);
 void cmd_connect(WINDOW *, ToxWindow *, Tox *, int argc, char (*argv)[MAX_STR_SIZE]);
 void cmd_decline(WINDOW *window, ToxWindow *self, Tox *m, int argc, char (*argv)[MAX_STR_SIZE]);
-void cmd_conference(WINDOW *, ToxWindow *, Tox *, int argc, char (*argv)[MAX_STR_SIZE]);
+void cmd_groupchat(WINDOW *, ToxWindow *, Tox *, int argc, char (*argv)[MAX_STR_SIZE]);
+void cmd_join(WINDOW *window, ToxWindow *self, Tox *m, int argc, char (*argv)[MAX_STR_SIZE]);
 void cmd_log(WINDOW *, ToxWindow *, Tox *, int argc, char (*argv)[MAX_STR_SIZE]);
 void cmd_myid(WINDOW *, ToxWindow *, Tox *, int argc, char (*argv)[MAX_STR_SIZE]);
 #ifdef QRCODE

src/groupchat_commands.c

@@ -0,0 +1,739 @@
+/*  groupchat_commands.c
+ *
+ *
+ *  Copyright (C) 2020 Toxic All Rights Reserved.
+ *
+ *  This file is part of Toxic.
+ *
+ *  Toxic 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 3 of the License, or
+ *  (at your option) any later version.
+ *
+ *  Toxic 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 Toxic.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+#include <string.h>
+#include <stdlib.h>
+
+#include "toxic.h"
+#include "windows.h"
+#include "line_info.h"
+#include "misc_tools.h"
+#include "log.h"
+#include "groupchats.h"
+
+extern GroupChat groupchats[MAX_GROUPCHAT_NUM];
+
+void cmd_chatid(WINDOW *window, ToxWindow *self, Tox *m, int argc, char (*argv)[MAX_STR_SIZE])
+{
+    char chatid[TOX_GROUP_CHAT_ID_SIZE * 2 + 1] = {0};
+    char chat_public_key[TOX_GROUP_CHAT_ID_SIZE];
+
+    TOX_ERR_GROUP_STATE_QUERIES err;
+
+    if (!tox_group_get_chat_id(m, self->num, (uint8_t *) chat_public_key, &err)) {
+        line_info_add(self, NULL, NULL, NULL, SYS_MSG, 0, 0, "Failed to retrieve the Chat ID (error %d).", err);
+        return;
+    }
+
+    size_t i;
+
+    for (i = 0; i < TOX_GROUP_CHAT_ID_SIZE; ++i) {
+        char xx[3];
+        snprintf(xx, sizeof(xx), "%02X", chat_public_key[i] & 0xff);
+        strcat(chatid, xx);
+    }
+
+    line_info_add(self, NULL, NULL, NULL, SYS_MSG, 0, 0, "%s", chatid);
+}
+
+void cmd_disconnect(WINDOW *window, ToxWindow *self, Tox *m, int argc, char (*argv)[MAX_STR_SIZE])
+{
+    Tox_Err_Group_Disconnect err;
+    tox_group_disconnect(m, self->num, &err);
+
+    switch (err) {
+        case TOX_ERR_GROUP_DISCONNECT_OK: {
+            line_info_add(self, NULL, NULL, NULL, SYS_MSG, 0, 0,  "Disconnected from group. Type '/rejoin' to reconnect.");
+            return;
+        }
+
+        case TOX_ERR_GROUP_DISCONNECT_ALREADY_DISCONNECTED: {
+            line_info_add(self, NULL, NULL, NULL, SYS_MSG, 0, 0,  "Already disconnected. Type '/rejoin' to connect.");
+            return;
+        }
+
+        default: {
+            line_info_add(self, NULL, NULL, NULL, SYS_MSG, 0, 0,  "Failed to disconnect from group. Error: %d", err);
+            return;
+        }
+    }
+}
+
+void cmd_ignore(WINDOW *window, ToxWindow *self, Tox *m, int argc, char (*argv)[MAX_STR_SIZE])
+{
+    if (argc < 1) {
+        line_info_add(self, NULL, NULL, NULL, SYS_MSG, 0, 0, "Peer name must be specified.");
+        return;
+    }
+
+    const char *nick = argv[1];
+    uint32_t peer_id;
+
+    if (group_get_nick_peer_id(self->num, nick, &peer_id) == -1) {
+        line_info_add(self, NULL, NULL, NULL, SYS_MSG, 0, 0,  "Invalid peer name '%s'.", nick);
+        return;
+    }
+
+    TOX_ERR_GROUP_TOGGLE_IGNORE err;
+    tox_group_toggle_ignore(m, self->num, peer_id, true, &err);
+
+    switch (err) {
+        case TOX_ERR_GROUP_TOGGLE_IGNORE_OK: {
+            break;
+        }
+
+        case TOX_ERR_GROUP_TOGGLE_IGNORE_SELF: {
+            line_info_add(self, NULL, NULL, NULL, SYS_MSG, 0, 0, "You cannot ignore yourself.");
+            return;
+        }
+
+        default: {
+            line_info_add(self, NULL, NULL, NULL, SYS_MSG, 0, 0, "Failed to toggle ignore on %s (error %d).", nick, err);
+            return;
+        }
+    }
+
+    char timefrmt[TIME_STR_SIZE];
+    get_time_str(timefrmt, sizeof(timefrmt));
+
+    line_info_add(self, timefrmt, NULL, NULL, SYS_MSG, 1, BLUE, "-!- Ignoring %s", nick);
+}
+
+void cmd_kick(WINDOW *window, ToxWindow *self, Tox *m, int argc, char (*argv)[MAX_STR_SIZE])
+{
+    if (argc < 1) {
+        line_info_add(self, NULL, NULL, NULL, SYS_MSG, 0, 0, "Peer name must be specified.");
+        return;
+    }
+
+    const char *nick = argv[1];
+
+    uint32_t target_peer_id;
+
+    if (group_get_nick_peer_id(self->num, nick, &target_peer_id) == -1) {
+        line_info_add(self, NULL, NULL, NULL, SYS_MSG, 0, 0,  "Invalid peer name '%s'.", nick);
+        return;
+    }
+
+    TOX_ERR_GROUP_MOD_KICK_PEER err;
+    tox_group_mod_kick_peer(m, self->num, target_peer_id, &err);
+
+    switch (err) {
+        case TOX_ERR_GROUP_MOD_KICK_PEER_OK: {
+            char self_nick[TOX_MAX_NAME_LENGTH + 1];
+            get_group_self_nick_truncate(m, self_nick, self->num);
+
+            char timefrmt[TIME_STR_SIZE];
+            get_time_str(timefrmt, sizeof(timefrmt));
+            line_info_add(self, timefrmt, NULL, NULL, SYS_MSG, 1, RED, "-!- %s has been kicked by %s", nick, self_nick);
+            groupchat_onGroupPeerExit(self, m, self->num, target_peer_id, TOX_GROUP_EXIT_TYPE_KICK, nick, strlen(nick), NULL, 0);
+            return;
+        }
+
+        case TOX_ERR_GROUP_MOD_KICK_PEER_PERMISSIONS: {
+            line_info_add(self, NULL, NULL, NULL, SYS_MSG, 0, 0,  "You do not have permission to kick %s.", nick);
+            return;
+        }
+
+        case TOX_ERR_GROUP_MOD_KICK_PEER_SELF: {
+            line_info_add(self, NULL, NULL, NULL, SYS_MSG, 0, 0,  "You cannot kick yourself.");
+            return;
+        }
+
+        default: {
+            line_info_add(self, NULL, NULL, NULL, SYS_MSG, 0, 0,  "Failed to kick %s from the group (error %d).", nick,
+                          err);
+            return;
+        }
+    }
+}
+
+void cmd_mod(WINDOW *window, ToxWindow *self, Tox *m, int argc, char (*argv)[MAX_STR_SIZE])
+{
+    if (argc < 1) {
+        line_info_add(self, NULL, NULL, NULL, SYS_MSG, 0, 0, "Peer name must be specified.");
+        return;
+    }
+
+    const char *nick = argv[1];
+    uint32_t target_peer_id;
+
+    if (group_get_nick_peer_id(self->num, nick, &target_peer_id) == -1) {
+        line_info_add(self, NULL, NULL, NULL, SYS_MSG, 0, 0,  "Invalid peer name '%s'.", nick);
+        return;
+    }
+
+    TOX_ERR_GROUP_SELF_QUERY s_err;
+    uint32_t self_peer_id = tox_group_self_get_peer_id(m, self->num, &s_err);
+
+    if (s_err != TOX_ERR_GROUP_SELF_QUERY_OK) {
+        line_info_add(self, NULL, NULL, NULL, SYS_MSG, 0, 0,  "Failed to fetch self peer_id.");
+        return;
+    }
+
+    TOX_ERR_GROUP_MOD_SET_ROLE err;
+    tox_group_mod_set_role(m, self->num, target_peer_id, TOX_GROUP_ROLE_MODERATOR, &err);
+
+    switch (err) {
+        case TOX_ERR_GROUP_MOD_SET_ROLE_OK: {
+            groupchat_onGroupModeration(self, m, self->num, self_peer_id, target_peer_id, TOX_GROUP_MOD_EVENT_MODERATOR);
+            return;
+        }
+
+        case TOX_ERR_GROUP_MOD_SET_ROLE_PERMISSIONS: {
+            line_info_add(self, NULL, NULL, NULL, SYS_MSG, 0, 0,  "You do not have permission to promote moderators.");
+            return;
+        }
+
+        case TOX_ERR_GROUP_MOD_SET_ROLE_ASSIGNMENT: {
+            line_info_add(self, NULL, NULL, NULL, SYS_MSG, 0, 0,  "%s is already a moderator.", nick);
+            return;
+        }
+
+        case TOX_ERR_GROUP_MOD_SET_ROLE_SELF: {
+            line_info_add(self, NULL, NULL, NULL, SYS_MSG, 0, 0, "You cannot make yourself a moderator.");
+            return;
+        }
+
+        default: {
+            line_info_add(self, NULL, NULL, NULL, SYS_MSG, 0, 0,  "Failed to promote peer to moderator (error %d).", err);
+            return;
+        }
+    }
+}
+
+void cmd_unmod(WINDOW *window, ToxWindow *self, Tox *m, int argc, char (*argv)[MAX_STR_SIZE])
+{
+    if (argc < 1) {
+        line_info_add(self, NULL, NULL, NULL, SYS_MSG, 0, 0, "Peer name must be specified.");
+        return;
+    }
+
+    const char *nick = argv[1];
+    uint32_t target_peer_id;
+
+    if (group_get_nick_peer_id(self->num, nick, &target_peer_id) == -1) {
+        line_info_add(self, NULL, NULL, NULL, SYS_MSG, 0, 0,  "Invalid peer name '%s'.", nick);
+        return;
+    }
+
+    TOX_ERR_GROUP_SELF_QUERY s_err;
+    uint32_t self_peer_id = tox_group_self_get_peer_id(m, self->num, &s_err);
+
+    if (s_err != TOX_ERR_GROUP_SELF_QUERY_OK) {
+        line_info_add(self, NULL, NULL, NULL, SYS_MSG, 0, 0,  "Failed to fetch self peer_id.");
+        return;
+    }
+
+    if (tox_group_peer_get_role(m, self->num, target_peer_id, NULL) != TOX_GROUP_ROLE_MODERATOR) {
+        line_info_add(self, NULL, NULL, NULL, SYS_MSG, 0, 0, "%s is not a moderator.", nick);
+        return;
+    }
+
+    TOX_ERR_GROUP_MOD_SET_ROLE err;
+    tox_group_mod_set_role(m, self->num, target_peer_id, TOX_GROUP_ROLE_USER, &err);
+
+    switch (err) {
+        case TOX_ERR_GROUP_MOD_SET_ROLE_OK: {
+            groupchat_onGroupModeration(self, m, self->num, self_peer_id, target_peer_id, TOX_GROUP_MOD_EVENT_USER);
+            return;
+        }
+
+        case TOX_ERR_GROUP_MOD_SET_ROLE_PERMISSIONS: {
+            line_info_add(self, NULL, NULL, NULL, SYS_MSG, 0, 0,  "You do not have permission to unmod %s.", nick);
+            return;
+        }
+
+        case TOX_ERR_GROUP_MOD_SET_ROLE_SELF: {
+            line_info_add(self, NULL, NULL, NULL, SYS_MSG, 0, 0, "You cannot remove your own moderator status.");
+            return;
+        }
+
+        default: {
+            line_info_add(self, NULL, NULL, NULL, SYS_MSG, 0, 0,  "Failed to revoke moderator powers from %s (error %d).", nick,
+                          err);
+            return;
+        }
+    }
+}
+
+void cmd_mykey(WINDOW *window, ToxWindow *self, Tox *m, int argc, char (*argv)[MAX_STR_SIZE])
+{
+    char pk_string[TOX_GROUP_PEER_PUBLIC_KEY_SIZE * 2 + 1] = {0};
+    char pk[TOX_GROUP_PEER_PUBLIC_KEY_SIZE];
+
+    TOX_ERR_GROUP_SELF_QUERY err;
+
+    if (!tox_group_self_get_public_key(m, self->num, (uint8_t *) pk, &err)) {
+        line_info_add(self, NULL, NULL, NULL, SYS_MSG, 0, 0, "Failed to fetch your public key (error %d)", err);
+        return;
+    }
+
+    size_t i;
+
+    for (i = 0; i < TOX_GROUP_PEER_PUBLIC_KEY_SIZE; ++i) {
+        char d[3];
+        snprintf(d, sizeof(d), "%02X", pk[i] & 0xff);
+        strcat(pk_string, d);
+    }
+
+    line_info_add(self, NULL, NULL, NULL, SYS_MSG, 0, 0, "%s", pk_string);
+}
+
+void cmd_set_passwd(WINDOW *window, ToxWindow *self, Tox *m, int argc, char (*argv)[MAX_STR_SIZE])
+{
+    const char *passwd = NULL;
+    size_t len = 0;
+
+    if (argc > 0) {
+        passwd = argv[1];
+        len = strlen(passwd);
+    }
+
+    TOX_ERR_GROUP_FOUNDER_SET_PASSWORD err;
+    tox_group_founder_set_password(m, self->num, (uint8_t *) passwd, len, &err);
+
+    switch (err) {
+        case TOX_ERR_GROUP_FOUNDER_SET_PASSWORD_OK: {
+            if (len > 0) {
+                line_info_add(self, NULL, NULL, NULL, SYS_MSG, 0, 0, "Password has been set to %s.", passwd);
+            } else {
+                line_info_add(self, NULL, NULL, NULL, SYS_MSG, 0, 0, "Password has been unset.");
+            }
+
+            return;
+        }
+
+        case TOX_ERR_GROUP_FOUNDER_SET_PASSWORD_TOO_LONG: {
+            line_info_add(self, NULL, NULL, NULL, SYS_MSG, 0, 0, "Password length must not exceed %d.",
+                          TOX_GROUP_MAX_PASSWORD_SIZE);
+            return;
+        }
+
+        case TOX_ERR_GROUP_FOUNDER_SET_PASSWORD_PERMISSIONS: {
+            line_info_add(self, NULL, NULL, NULL, SYS_MSG, 0, 0, "You do not have permission to set the password.");
+            return;
+        }
+
+        default: {
+            line_info_add(self, NULL, NULL, NULL, SYS_MSG, 0, 0, "Failed to set password (error %d).", err);
+            return;
+        }
+    }
+}
+
+void cmd_set_peerlimit(WINDOW *window, ToxWindow *self, Tox *m, int argc, char (*argv)[MAX_STR_SIZE])
+{
+    int maxpeers = 0;
+
+    if (argc < 1) {
+        TOX_ERR_GROUP_STATE_QUERIES err;
+        uint32_t maxpeers = tox_group_get_peer_limit(m, self->num, &err);
+
+        if (err != TOX_ERR_GROUP_STATE_QUERIES_OK) {
+            line_info_add(self, NULL, NULL, NULL, SYS_MSG, 0, 0, "Failed to retrieve peer limit (error %d).", err);
+            return;
+        }
+
+        line_info_add(self, NULL, NULL, NULL, SYS_MSG, 0, 0, "Peer limit is set to %d", maxpeers);
+        return;
+    }
+
+    maxpeers = atoi(argv[1]);
+
+    if (maxpeers <= 0) {
+        line_info_add(self, NULL, NULL, NULL, SYS_MSG, 0, 0, "Peer limit must be a value greater than 0.");
+        return;
+    }
+
+    TOX_ERR_GROUP_FOUNDER_SET_PEER_LIMIT err;
+    tox_group_founder_set_peer_limit(m, self->num, maxpeers, &err);
+
+    switch (err) {
+        case TOX_ERR_GROUP_FOUNDER_SET_PEER_LIMIT_OK: {
+            line_info_add(self, NULL, NULL, NULL, SYS_MSG, 0, 0, "Peer limit has been set to %d.", maxpeers);
+            return;
+        }
+
+        case TOX_ERR_GROUP_FOUNDER_SET_PEER_LIMIT_PERMISSIONS: {
+            line_info_add(self, NULL, NULL, NULL, SYS_MSG, 0, 0, "You do not have permission to set the peer limit.");
+            return;
+        }
+
+        default: {
+            line_info_add(self, NULL, NULL, NULL, SYS_MSG, 0, 0, "Failed to set the peer limit (error %d).", err);
+            return;
+        }
+    }
+}
+
+void cmd_set_privacy(WINDOW *window, ToxWindow *self, Tox *m, int argc, char (*argv)[MAX_STR_SIZE])
+{
+    const char *pstate_str = NULL;
+    TOX_GROUP_PRIVACY_STATE privacy_state;
+
+    if (argc < 1) {
+        TOX_ERR_GROUP_STATE_QUERIES err;
+        privacy_state = tox_group_get_privacy_state(m, self->num, &err);
+
+        if (err != TOX_ERR_GROUP_STATE_QUERIES_OK) {
+            line_info_add(self, NULL, NULL, NULL, SYS_MSG, 0, 0, "Failed to retrieve privacy state (error %d).", err);
+            return;
+        }
+
+        pstate_str = privacy_state == TOX_GROUP_PRIVACY_STATE_PRIVATE ? "private" : "public";
+        line_info_add(self, NULL, NULL, NULL, SYS_MSG, 0, 0, "Privacy state is set to %s.", pstate_str);
+        return;
+    }
+
+    pstate_str = argv[1];
+
+    if (strcasecmp(pstate_str, "private") != 0 && strcasecmp(pstate_str, "public") != 0) {
+        line_info_add(self, NULL, NULL, NULL, SYS_MSG, 0, 0, "Privacy state must be \"private\" or \"public\".");
+        return;
+    }
+
+    privacy_state = strcasecmp(pstate_str,
+                               "private") == 0 ? TOX_GROUP_PRIVACY_STATE_PRIVATE : TOX_GROUP_PRIVACY_STATE_PUBLIC;
+
+    TOX_ERR_GROUP_FOUNDER_SET_PRIVACY_STATE err;
+    tox_group_founder_set_privacy_state(m, self->num, privacy_state, &err);
+
+    switch (err) {
+        case TOX_ERR_GROUP_FOUNDER_SET_PRIVACY_STATE_OK: {
+            line_info_add(self, NULL, NULL, NULL, SYS_MSG, 0, 0, "Privacy state has been set to %s.", pstate_str);
+            return;
+        }
+
+        case TOX_ERR_GROUP_FOUNDER_SET_PRIVACY_STATE_PERMISSIONS: {
+            line_info_add(self, NULL, NULL, NULL, SYS_MSG, 0, 0, "You do not have permission to set the privacy state.");
+            return;
+        }
+
+        default: {
+            line_info_add(self, NULL, NULL, NULL, SYS_MSG, 0, 0, "Error setting privacy state (error %d).", err);
+            return;
+        }
+    }
+}
+
+void cmd_silence(WINDOW *window, ToxWindow *self, Tox *m, int argc, char (*argv)[MAX_STR_SIZE])
+{
+    if (argc < 1) {
+        line_info_add(self, NULL, NULL, NULL, SYS_MSG, 0, 0, "Peer name must be specified.");
+        return;
+    }
+
+    const char *nick = argv[1];
+    uint32_t target_peer_id;
+
+    if (group_get_nick_peer_id(self->num, nick, &target_peer_id) == -1) {
+        line_info_add(self, NULL, NULL, NULL, SYS_MSG, 0, 0,  "Invalid peer name '%s'.", nick);
+        return;
+    }
+
+    TOX_ERR_GROUP_SELF_QUERY s_err;
+    uint32_t self_peer_id = tox_group_self_get_peer_id(m, self->num, &s_err);
+
+    if (s_err != TOX_ERR_GROUP_SELF_QUERY_OK) {
+        line_info_add(self, NULL, NULL, NULL, SYS_MSG, 0, 0,  "Failed to fetch self peer_id.");
+        return;
+    }
+
+    TOX_ERR_GROUP_MOD_SET_ROLE err;
+    tox_group_mod_set_role(m, self->num, target_peer_id, TOX_GROUP_ROLE_OBSERVER, &err);
+
+    switch (err) {
+        case TOX_ERR_GROUP_MOD_SET_ROLE_OK: {
+            groupchat_onGroupModeration(self, m, self->num, self_peer_id, target_peer_id, TOX_GROUP_MOD_EVENT_OBSERVER);
+            return;
+        }
+
+        case TOX_ERR_GROUP_MOD_SET_ROLE_PERMISSIONS: {
+            line_info_add(self, NULL, NULL, NULL, SYS_MSG, 0, 0, "You do not have permission to silence %s.", nick);
+            return;
+        }
+
+        case TOX_ERR_GROUP_MOD_SET_ROLE_ASSIGNMENT: {
+            line_info_add(self, NULL, NULL, NULL, SYS_MSG, 0, 0, "%s is already silenced.", nick);
+            return;
+        }
+
+        case TOX_ERR_GROUP_MOD_SET_ROLE_SELF: {
+            line_info_add(self, NULL, NULL, NULL, SYS_MSG, 0, 0, "You cannot silence yourself.");
+            return;
+        }
+
+        default: {
+            line_info_add(self, NULL, NULL, NULL, SYS_MSG, 0, 0, "Failed to silence %s (error %d).", nick, err);
+            return;
+        }
+    }
+}
+
+void cmd_unsilence(WINDOW *window, ToxWindow *self, Tox *m, int argc, char (*argv)[MAX_STR_SIZE])
+{
+    if (argc < 1) {
+        line_info_add(self, NULL, NULL, NULL, SYS_MSG, 0, 0, "Peer name must be specified.");
+        return;
+    }
+
+    const char *nick = argv[1];
+    uint32_t target_peer_id;
+
+    if (group_get_nick_peer_id(self->num, nick, &target_peer_id) == -1) {
+        line_info_add(self, NULL, NULL, NULL, SYS_MSG, 0, 0,  "Invalid peer name '%s'.", nick);
+        return;
+    }
+
+    if (tox_group_peer_get_role(m, self->num, target_peer_id, NULL) != TOX_GROUP_ROLE_OBSERVER) {
+        line_info_add(self, NULL, NULL, NULL, SYS_MSG, 0, 0, "%s is not silenced.", nick);
+        return;
+    }
+
+    TOX_ERR_GROUP_SELF_QUERY s_err;
+    uint32_t self_peer_id = tox_group_self_get_peer_id(m, self->num, &s_err);
+
+    if (s_err != TOX_ERR_GROUP_SELF_QUERY_OK) {
+        line_info_add(self, NULL, NULL, NULL, SYS_MSG, 0, 0,  "Failed to fetch self peer_id.");
+        return;
+    }
+
+    TOX_ERR_GROUP_MOD_SET_ROLE err;
+    tox_group_mod_set_role(m, self->num, target_peer_id, TOX_GROUP_ROLE_USER, &err);
+
+    switch (err) {
+        case TOX_ERR_GROUP_MOD_SET_ROLE_OK: {
+            groupchat_onGroupModeration(self, m, self->num, self_peer_id, target_peer_id, TOX_GROUP_MOD_EVENT_USER);
+            return;
+        }
+
+        case TOX_ERR_GROUP_MOD_SET_ROLE_PERMISSIONS: {
+            line_info_add(self, NULL, NULL, NULL, SYS_MSG, 0, 0, "You do not have permission to unsilence %s.", nick);
+            return;
+        }
+
+        case TOX_ERR_GROUP_MOD_SET_ROLE_ASSIGNMENT: {
+            line_info_add(self, NULL, NULL, NULL, SYS_MSG, 0, 0, "%s is not silenced.", nick);
+            return;
+        }
+
+        case TOX_ERR_GROUP_MOD_SET_ROLE_SELF: {
+            line_info_add(self, NULL, NULL, NULL, SYS_MSG, 0, 0, "You cannot unsilence yourself.");
+            return;
+        }
+
+        default: {
+            line_info_add(self, NULL, NULL, NULL, SYS_MSG, 0, 0, "Failed to unsilence %s (error %d).", nick, err);
+            return;
+        }
+    }
+}
+
+void cmd_rejoin(WINDOW *window, ToxWindow *self, Tox *m, int argc, char (*argv)[MAX_STR_SIZE])
+{
+    TOX_ERR_GROUP_RECONNECT err;
+
+    if (!tox_group_reconnect(m, self->num, &err)) {
+        line_info_add(self, NULL, NULL, NULL, SYS_MSG, 0, 0, "Failed to rejoin group (error %d).", err);
+        return;
+    }
+
+    line_info_add(self, NULL, NULL, NULL, SYS_MSG, 0, 0, "Reconnecting to group...");
+
+    groupchat_rejoin(self, m);
+}
+
+void cmd_set_topic(WINDOW *window, ToxWindow *self, Tox *m, int argc, char (*argv)[MAX_STR_SIZE])
+{
+    if (argc < 1) {
+        TOX_ERR_GROUP_STATE_QUERIES err;
+        size_t tlen = tox_group_get_topic_size(m, self->num, &err);
+
+        if (err != TOX_ERR_GROUP_STATE_QUERIES_OK) {
+            line_info_add(self, NULL, NULL, NULL, SYS_MSG, 0, 0, "Failed to retrieve topic length (error %d).", err);
+            return;
+        }
+
+        if (tlen > 0) {
+            char cur_topic[TOX_GROUP_MAX_TOPIC_LENGTH + 1];
+
+            if (!tox_group_get_topic(m, self->num, (uint8_t *) cur_topic, &err)) {
+                line_info_add(self, NULL, NULL, NULL, SYS_MSG, 0, 0, "Failed to retrieve topic (error %d).", err);
+                return;
+            }
+
+            cur_topic[tlen] = 0;
+            line_info_add(self, NULL, NULL, NULL, SYS_MSG, 0, 0, "Topic is set to: %s", cur_topic);
+        } else {
+            line_info_add(self, NULL, NULL, NULL, SYS_MSG, 0, 0, "Topic is not set.");
+        }
+
+        return;
+    }
+
+    const char *topic = argv[1];
+
+    TOX_ERR_GROUP_TOPIC_SET err;
+    tox_group_set_topic(m, self->num, (uint8_t *) topic, strlen(topic), &err);
+
+    switch (err) {
+        case TOX_ERR_GROUP_TOPIC_SET_OK: {
+            /* handled below switch */
+            break;
+        }
+
+        case TOX_ERR_GROUP_TOPIC_SET_TOO_LONG: {
+            line_info_add(self, NULL, NULL, NULL, SYS_MSG, 0, 0, "Topic length must not exceed %d.", TOX_GROUP_MAX_TOPIC_LENGTH);
+            return;
+        }
+
+        case TOX_ERR_GROUP_TOPIC_SET_PERMISSIONS: {
+            line_info_add(self, NULL, NULL, NULL, SYS_MSG, 0, 0, "You do not have permission to set the topic.");
+            return;
+        }
+
+        default: {
+            line_info_add(self, NULL, NULL, NULL, SYS_MSG, 0, 0, "Failed to set the topic (error %d).", err);
+            return;
+        }
+    }
+
+    char timefrmt[TIME_STR_SIZE];
+    get_time_str(timefrmt, sizeof(timefrmt));
+
+    char self_nick[TOX_MAX_NAME_LENGTH + 1];
+    get_group_self_nick_truncate(m, self_nick, self->num);
+
+    line_info_add(self, timefrmt, NULL, NULL, SYS_MSG, 1, MAGENTA, "-!- You set the topic to: %s", topic);
+
+    char tmp_event[MAX_STR_SIZE];
+    snprintf(tmp_event, sizeof(tmp_event), "set topic to %s", topic);
+    write_to_log(tmp_event, self_nick, self->chatwin->log, true);
+}
+
+void cmd_unignore(WINDOW *window, ToxWindow *self, Tox *m, int argc, char (*argv)[MAX_STR_SIZE])
+{
+    if (argc < 1) {
+        line_info_add(self, NULL, NULL, NULL, SYS_MSG, 0, 0, "Peer must be specified.");
+        return;
+    }
+
+    const char *nick = argv[1];
+    uint32_t peer_id;
+
+    if (group_get_nick_peer_id(self->num, nick, &peer_id) == -1) {
+        line_info_add(self, NULL, NULL, NULL, SYS_MSG, 0, 0,  "Invalid peer name '%s'.", nick);
+        return;
+    }
+
+    TOX_ERR_GROUP_TOGGLE_IGNORE err;
+    tox_group_toggle_ignore(m, self->num, peer_id, false, &err);
+
+    switch (err) {
+        case TOX_ERR_GROUP_TOGGLE_IGNORE_OK: {
+            break;
+        }
+
+        case TOX_ERR_GROUP_TOGGLE_IGNORE_SELF: {
+            line_info_add(self, NULL, NULL, NULL, SYS_MSG, 0, 0, "You cannot unignore yourself.");
+            return;
+        }
+
+        default: {
+            line_info_add(self, NULL, NULL, NULL, SYS_MSG, 0, 0, "Failed to toggle ignore on %s (error %d).", nick, err);
+            return;
+        }
+    }
+
+    char timefrmt[TIME_STR_SIZE];
+    get_time_str(timefrmt, sizeof(timefrmt));
+
+    line_info_add(self, timefrmt, NULL, NULL, SYS_MSG, 1, BLUE, "-!- You are no longer ignoring %s", nick);
+}
+
+void cmd_whois(WINDOW *window, ToxWindow *self, Tox *m, int argc, char (*argv)[MAX_STR_SIZE])
+{
+    if (argc < 1) {
+        line_info_add(self, NULL, NULL, NULL, SYS_MSG, 0, 0, "Peer must be specified.");
+        return;
+    }
+
+    GroupChat *chat = get_groupchat(self->num);
+
+    if (!chat) {
+        line_info_add(self, NULL, NULL, NULL, SYS_MSG, 0, 0, "Failed to fetch GroupChat object.");
+        return;
+    }
+
+    const char *nick = argv[1];
+    uint32_t peer_id;
+
+    if (group_get_nick_peer_id(self->num, nick, &peer_id) == -1) {
+        line_info_add(self, NULL, NULL, NULL, SYS_MSG, 0, 0,  "Invalid peer name '%s'.", nick);
+        return;
+    }
+
+    int peer_index = get_peer_index(self->num, peer_id);
+
+    if (peer_index < 0) {
+        line_info_add(self, NULL, NULL, NULL, SYS_MSG, 0, 0, "Failed to fetch peer index.");
+        return;
+    }
+
+    const char *status_str = "Online";
+
+    if (chat->peer_list[peer_index].status == TOX_USER_STATUS_BUSY) {
+        status_str = "Busy";
+    } else if (chat->peer_list[peer_index].status == TOX_USER_STATUS_AWAY) {
+        status_str = "Away";
+    }
+
+    const char *role_str = "User";
+
+    if (chat->peer_list[peer_index].role == TOX_GROUP_ROLE_FOUNDER) {
+        role_str = "Founder";
+    } else if (chat->peer_list[peer_index].role == TOX_GROUP_ROLE_MODERATOR) {
+        role_str = "Moderator";
+    } else if (chat->peer_list[peer_index].role == TOX_GROUP_ROLE_OBSERVER) {
+        role_str = "Observer";
+    }
+
+    char last_seen_str[128];
+    get_elapsed_time_str_alt(last_seen_str, sizeof(last_seen_str),
+                             get_unix_time() - chat->peer_list[peer_index].last_active);
+
+    char pk_string[TOX_GROUP_PEER_PUBLIC_KEY_SIZE * 2 + 1] = {0};
+    size_t i;
+
+    for (i = 0; i < TOX_GROUP_PEER_PUBLIC_KEY_SIZE; ++i) {
+        char d[3];
+        snprintf(d, sizeof(d), "%02X", chat->peer_list[peer_index].public_key[i] & 0xff);
+        strcat(pk_string, d);
+    }
+
+    line_info_add(self, NULL, NULL, NULL, SYS_MSG, 0, 0, "Whois for %s", nick);
+    line_info_add(self, NULL, NULL, NULL, SYS_MSG, 0, 0, "Role: %s", role_str);
+    line_info_add(self, NULL, NULL, NULL, SYS_MSG, 0, 0, "Status: %s", status_str);
+    line_info_add(self, NULL, NULL, NULL, SYS_MSG, 0, 0, "Last active: %s", last_seen_str);
+    line_info_add(self, NULL, NULL, NULL, SYS_MSG, 0, 0, "Public key: %s", pk_string);
+}

src/groupchat_commands.h

@@ -0,0 +1,47 @@
+/*  groupchat_commands.h
+ *
+ *
+ *  Copyright (C) 2020 Toxic All Rights Reserved.
+ *
+ *  This file is part of Toxic.
+ *
+ *  Toxic 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 3 of the License, or
+ *  (at your option) any later version.
+ *
+ *  Toxic 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 Toxic.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+#ifndef GROUPCHAT_COMMANDS_H
+#define GROUPCHAT_COMMANDS_H
+
+#include "windows.h"
+#include "toxic.h"
+
+void cmd_chatid(WINDOW *window, ToxWindow *self, Tox *m, int argc, char (*argv)[MAX_STR_SIZE]);
+void cmd_disconnect(WINDOW *window, ToxWindow *self, Tox *m, int argc, char (*argv)[MAX_STR_SIZE]);
+void cmd_ignore(WINDOW *window, ToxWindow *self, Tox *m, int argc, char (*argv)[MAX_STR_SIZE]);
+void cmd_kick(WINDOW *window, ToxWindow *self, Tox *m, int argc, char (*argv)[MAX_STR_SIZE]);
+void cmd_mod(WINDOW *window, ToxWindow *self, Tox *m, int argc, char (*argv)[MAX_STR_SIZE]);
+void cmd_mykey(WINDOW *window, ToxWindow *self, Tox *m, int argc, char (*argv)[MAX_STR_SIZE]);
+void cmd_prune(WINDOW *window, ToxWindow *self, Tox *m, int argc, char (*argv)[MAX_STR_SIZE]);
+void cmd_set_passwd(WINDOW *window, ToxWindow *self, Tox *m, int argc, char (*argv)[MAX_STR_SIZE]);
+void cmd_set_peerlimit(WINDOW *window, ToxWindow *self, Tox *m, int argc, char (*argv)[MAX_STR_SIZE]);
+void cmd_set_privacy(WINDOW *window, ToxWindow *self, Tox *m, int argc, char (*argv)[MAX_STR_SIZE]);
+void cmd_rejoin(WINDOW *window, ToxWindow *self, Tox *m, int argc, char (*argv)[MAX_STR_SIZE]);
+void cmd_set_topic(WINDOW *window, ToxWindow *self, Tox *m, int argc, char (*argv)[MAX_STR_SIZE]);
+void cmd_silence(WINDOW *window, ToxWindow *self, Tox *m, int argc, char (*argv)[MAX_STR_SIZE]);
+void cmd_unsilence(WINDOW *window, ToxWindow *self, Tox *m, int argc, char (*argv)[MAX_STR_SIZE]);
+void cmd_unignore(WINDOW *window, ToxWindow *self, Tox *m, int argc, char (*argv)[MAX_STR_SIZE]);
+void cmd_unmod(WINDOW *window, ToxWindow *self, Tox *m, int argc, char (*argv)[MAX_STR_SIZE]);
+void cmd_whois(WINDOW *window, ToxWindow *self, Tox *m, int argc, char (*argv)[MAX_STR_SIZE]);
+
+#endif  /* GROUPCHAT_COMMANDS_H */

src/groupchats.h

@@ -0,0 +1,83 @@
+/*  groupchats.h
+ *
+ *
+ *  Copyright (C) 2020 Toxic All Rights Reserved.
+ *
+ *  This file is part of Toxic.
+ *
+ *  Toxic 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 3 of the License, or
+ *  (at your option) any later version.
+ *
+ *  Toxic 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 Toxic.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+#ifndef GROUPCHATS_H
+#define GROUPCHATS_H
+
+#include "toxic.h"
+#include "windows.h"
+
+#ifndef SIDEWAR_WIDTH
+#define SIDEBAR_WIDTH 16
+#endif
+
+#define MAX_GROUPCHAT_NUM (MAX_WINDOWS_NUM - 2)
+
+typedef struct GroupPeer {
+    bool             active;
+    char             name[TOX_MAX_NAME_LENGTH];
+    size_t           name_length;
+    uint32_t         peer_id;
+    uint8_t          public_key[TOX_GROUP_PEER_PUBLIC_KEY_SIZE];
+    TOX_USER_STATUS  status;
+    TOX_GROUP_ROLE   role;
+    uint64_t         last_active;
+} GroupPeer;
+
+typedef struct {
+    GroupPeer  *peer_list;
+    char       **name_list;   /* List of peer names, needed for tab completion */
+    uint32_t   num_peers;     /* Number of peers in the chat/name_list array */
+    uint32_t   max_idx;       /* Maximum peer list index - 1 */
+
+    uint32_t   groupnumber;
+    bool       active;
+    uint64_t   time_connected;    /* The time we successfully connected to the group */
+
+    int        chatwin;
+    int        side_pos;     /* current position of the sidebar - used for scrolling up and down */
+} GroupChat;
+
+void exit_groupchat(ToxWindow *self, Tox *m, uint32_t groupnumber, const char *partmessage, size_t length);
+int init_groupchat_win(Tox *m, uint32_t groupnumber, const char *groupname, size_t length);
+void set_nick_all_groups(Tox *m, const char *new_nick, size_t length);
+void set_status_all_groups(Tox *m, uint8_t status);
+int group_get_nick_peer_id(uint32_t groupnumber, const char *nick, uint32_t *peer_id);
+int get_peer_index(uint32_t groupnumber, uint32_t peer_id);
+void groupchat_onGroupPeerExit(ToxWindow *self, Tox *m, uint32_t groupnumber, uint32_t peer_id,
+                               Tox_Group_Exit_Type exit_type,
+                               const char *name, size_t name_len, const char *partmessage, size_t len);
+void groupchat_onGroupModeration(ToxWindow *self, Tox *m, uint32_t groupnumber, uint32_t src_peer_id,
+                                 uint32_t tgt_peer_id, TOX_GROUP_MOD_EVENT type);
+
+void groupchat_rejoin(ToxWindow *self, Tox *m);
+
+/* destroys and re-creates groupchat window */
+void redraw_groupchat_win(ToxWindow *self);
+
+/*
+ * Return a GroupChat pointer associated with groupnumber.
+ * Return NULL if groupnumber is invalid.
+ */
+GroupChat *get_groupchat(uint32_t groupnumber);
+
+#endif /* #define GROUPCHATS_H */

src/help.c

@@ -110,6 +110,12 @@ static void help_draw_menu(ToxWindow *self)
     wattroff(win, A_BOLD | COLOR_PAIR(BLUE));
     wprintw(win, "nference commands\n");
 
+    wprintw(win, " g");
+    wattron(win, A_BOLD | COLOR_PAIR(BLUE));
+    wprintw(win, "r");
+    wattroff(win, A_BOLD | COLOR_PAIR(BLUE));
+    wprintw(win, "oupchat commands\n");
+
 #ifdef PYTHON
     wattron(win, A_BOLD | COLOR_PAIR(BLUE));
     wprintw(win, " p");
@@ -171,9 +177,10 @@ static void help_draw_global(ToxWindow *self)
     wprintw(win, "  /add <addr> <msg>          : Add contact with optional message\n");
     wprintw(win, "  /accept <id>               : Accept friend request\n");
     wprintw(win, "  /avatar <path>             : Set an avatar (leave path empty to unset)\n");
+    wprintw(win, "  /conference <type>         : Create a conference where type: text | audio\n");
+    wprintw(win, "  /connect <ip> <port> <key> : Manually connect to a DHT node\n");
     wprintw(win, "  /decline <id>              : Decline friend request\n");
     wprintw(win, "  /requests                  : List pending friend requests\n");
-    wprintw(win, "  /connect <ip> <port> <key> : Manually connect to a DHT node\n");
     wprintw(win, "  /status <type>             : Set status (Online, Busy, Away)\n");
     wprintw(win, "  /note <msg>                : Set a personal note\n");
     wprintw(win, "  /nick <nick>               : Set your nickname\n");

src/help.h

@@ -29,6 +29,7 @@
 typedef enum {
     HELP_MENU,
     HELP_GLOBAL,
+    HELP_GROUP,
     HELP_CHAT,
     HELP_CONFERENCE,
     HELP_KEYS,

src/input.c

@@ -30,6 +30,7 @@
 #include "line_info.h"
 #include "misc_tools.h"
 #include "notify.h"
+#include "groupchats.h"
 #include "settings.h"
 #include "toxic.h"
 #include "toxic_strings.h"
@@ -337,6 +338,9 @@ bool input_handle(ToxWindow *self, wint_t key, int x, int mx_x)
             if (self->type == WINDOW_TYPE_CONFERENCE) {
                 self->show_peerlist ^= 1;
                 redraw_conference_win(self);
+            } else if (self->type == WINDOW_TYPE_GROUPCHAT) {
+                self->show_peerlist ^= 1;
+                redraw_groupchat_win(self);
             }
 
             match = true;

src/line_info.c

@@ -30,6 +30,7 @@
 #include <string.h>
 
 #include "conference.h"
+#include "groupchats.h"
 #include "line_info.h"
 #include "message_queue.h"
 #include "misc_tools.h"
@@ -433,6 +434,13 @@ int line_info_add(ToxWindow *self, bool show_timestamp, const char *name1, const
             len += strlen(user_settings->line_normal) + 3; // two spaces and a ':' char
             break;
 
+        case IN_PRVT_MSG:
+
+        /* fallthrough */
+        case OUT_PRVT_MSG:
+            len += strlen(user_settings->line_special) + 3;
+            break;
+
         case CONNECTION:
             len += strlen(user_settings->line_join) + 2;  // two spaces
             break;
@@ -546,7 +554,7 @@ void line_info_print(ToxWindow *self)
         return;
     }
 
-    if (self->type == WINDOW_TYPE_CONFERENCE) {
+    if (self->type == WINDOW_TYPE_CONFERENCE || self->type == WINDOW_TYPE_GROUPCHAT) {
         wmove(win, 0, 0);
     } else {
         wmove(win, TOP_BAR_HEIGHT, 0);
@@ -582,7 +590,7 @@ void line_info_print(ToxWindow *self)
             case OUT_MSG_READ:
 
             /* fallthrough */
-            case IN_MSG:
+            case IN_MSG: {
                 wattron(win, COLOR_PAIR(BLUE));
                 wprintw(win, "%s ", line->timestr);
                 wattroff(win, COLOR_PAIR(BLUE));
@@ -620,6 +628,71 @@ void line_info_print(ToxWindow *self)
 
                 waddch(win, '\n');
                 break;
+            }
+
+            case IN_PRVT_MSG:
+
+            /* fallthrough */
+
+            case OUT_PRVT_MSG: {
+                wattron(win, COLOR_PAIR(BLUE));
+                wprintw(win, "%s ", line->timestr);
+                wattroff(win, COLOR_PAIR(BLUE));
+
+                int nameclr = GREEN;
+
+                if (line->colour) {
+                    nameclr = line->colour;
+                } else if (type == IN_MSG) {
+                    nameclr = CYAN;
+                }
+
+                wattron(win, COLOR_PAIR(nameclr));
+                wprintw(win, "%s %s: ", (type != OUT_PRVT_MSG && type != IN_PRVT_MSG) ?
+                        user_settings->line_normal :
+                        user_settings->line_special,
+                        line->name1);
+                wattroff(win, COLOR_PAIR(nameclr));
+
+                char *msg = line->msg;
+
+                while (msg) {
+                    char *line = strsep(&msg, "\n");
+
+                    if (line[0] == '>') {
+                        wattron(win, COLOR_PAIR(GREEN));
+                    } else if (line[0] == '<') {
+                        wattron(win, COLOR_PAIR(RED));
+                    }
+
+                    wprintw(win, "%s%c", line, msg ? '\n' : '\0');
+
+                    if (line[0] == '>') {
+                        wattroff(win, COLOR_PAIR(GREEN));
+                    } else if (line[0] == '<') {
+                        wattroff(win, COLOR_PAIR(RED));
+                    }
+
+                    // change the \0 set by strsep back to \n
+                    if (msg) {
+                        msg[-1] = '\n';
+                    }
+                }
+
+                if (type == OUT_MSG && timed_out(line->timestamp, NOREAD_FLAG_TIMEOUT)) {
+                    wattron(win, COLOR_PAIR(RED));
+                    wprintw(win, " x", line->msg);
+                    wattroff(win, COLOR_PAIR(RED));
+
+                    if (line->noread_flag == false) {
+                        line->noread_flag = true;
+                        line->len += 2;
+                    }
+                }
+
+                wprintw(win, "\n", line->msg);
+                break;
+            }
 
             case OUT_ACTION_READ:
 
@@ -627,7 +700,7 @@ void line_info_print(ToxWindow *self)
             case OUT_ACTION:
 
             /* fallthrough */
-            case IN_ACTION:
+            case IN_ACTION: {
                 wattron(win, COLOR_PAIR(BLUE));
                 wprintw(win, "%s ", line->timestr);
                 wattroff(win, COLOR_PAIR(BLUE));
@@ -639,8 +712,9 @@ void line_info_print(ToxWindow *self)
 
                 waddch(win, '\n');
                 break;
+            }
 
-            case SYS_MSG:
+            case SYS_MSG: {
                 if (line->timestr[0]) {
                     wattron(win, COLOR_PAIR(BLUE));
                     wprintw(win, "%s ", line->timestr);
@@ -667,8 +741,9 @@ void line_info_print(ToxWindow *self)
                 }
 
                 break;
+            }
 
-            case PROMPT:
+            case PROMPT: {
                 wattron(win, COLOR_PAIR(GREEN));
                 wprintw(win, "$ ");
                 wattroff(win, COLOR_PAIR(GREEN));
@@ -679,8 +754,9 @@ void line_info_print(ToxWindow *self)
 
                 waddch(win, '\n');
                 break;
+            }
 
-            case CONNECTION:
+            case CONNECTION: {
                 wattron(win, COLOR_PAIR(BLUE));
                 wprintw(win, "%s ", line->timestr);
                 wattroff(win, COLOR_PAIR(BLUE));
@@ -698,8 +774,9 @@ void line_info_print(ToxWindow *self)
                 wattroff(win, COLOR_PAIR(line->colour));
 
                 break;
+            }
 
-            case DISCONNECTION:
+            case DISCONNECTION: {
                 wattron(win, COLOR_PAIR(BLUE));
                 wprintw(win, "%s ", line->timestr);
                 wattroff(win, COLOR_PAIR(BLUE));
@@ -717,8 +794,9 @@ void line_info_print(ToxWindow *self)
                 wattroff(win, COLOR_PAIR(line->colour));
 
                 break;
+            }
 
-            case NAME_CHANGE:
+            case NAME_CHANGE: {
                 wattron(win, COLOR_PAIR(BLUE));
                 wprintw(win, "%s ", line->timestr);
                 wattroff(win, COLOR_PAIR(BLUE));
@@ -737,6 +815,7 @@ void line_info_print(ToxWindow *self)
                 wattroff(win, COLOR_PAIR(MAGENTA));
 
                 break;
+            }
         }
 
         line = line->next;

src/line_info.h

@@ -39,6 +39,8 @@ typedef enum LINE_TYPE {
     IN_ACTION,
     OUT_ACTION,
     OUT_ACTION_READ,     /* same as OUT_MSG_READ but for actions */
+    IN_PRVT_MSG,   /* PRVT should only be used for groups */
+    OUT_PRVT_MSG,
     PROMPT,
     CONNECTION,
     DISCONNECTION,

src/misc_tools.c

@@ -136,6 +136,26 @@ void get_elapsed_time_str(char *buf, int bufsize, time_t secs)
     }
 }
 
+/* Converts seconds to string in format H hours, m minutes, s seconds */
+void get_elapsed_time_str_alt(char *buf, int bufsize, uint64_t secs)
+{
+    if (!secs) {
+        return;
+    }
+
+    long int seconds = secs % 60;
+    long int minutes = (secs % 3600) / 60;
+    long int hours = secs / 3600;
+
+    if (!minutes && !hours) {
+        snprintf(buf, bufsize, "%ld seconds", seconds);
+    } else if (!hours) {
+        snprintf(buf, bufsize, "%ld minutes, %ld seconds", minutes, seconds);
+    } else {
+        snprintf(buf, bufsize, "%ld hours, %ld minutes, %ld seconds", hours, minutes, seconds);
+    }
+}
+
 /*
  * Converts a hexidecimal string representation of a Tox public key to binary format and puts
  * the result in output.
@@ -470,6 +490,59 @@ on_error:
     strcpy(buf, UNKNOWN_NAME);
     len = strlen(UNKNOWN_NAME);
     buf[len] = '\0';
+
+    return len;
+}
+
+/* same as get_nick_truncate but for groupchats */
+size_t get_group_nick_truncate(Tox *m, char *buf, uint32_t peer_id, uint32_t groupnum)
+{
+    TOX_ERR_GROUP_PEER_QUERY err;
+    size_t len = tox_group_peer_get_name_size(m, groupnum, peer_id, &err);
+
+    if (err != TOX_ERR_GROUP_PEER_QUERY_OK || len == 0) {
+        strcpy(buf, UNKNOWN_NAME);
+        len = strlen(UNKNOWN_NAME);
+    } else {
+        tox_group_peer_get_name(m, groupnum, peer_id, (uint8_t *) buf, &err);
+
+        if (err != TOX_ERR_GROUP_PEER_QUERY_OK) {
+            strcpy(buf, UNKNOWN_NAME);
+            len = strlen(UNKNOWN_NAME);
+        }
+    }
+
+    len = MIN(len, TOXIC_MAX_NAME_LENGTH - 1);
+    buf[len] = '\0';
+
+    filter_str(buf, len);
+
+    return len;
+}
+
+/* same as get_group_nick_truncate() but for self. */
+size_t get_group_self_nick_truncate(Tox *m, char *buf, uint32_t groupnum)
+{
+    TOX_ERR_GROUP_SELF_QUERY err;
+    size_t len = tox_group_self_get_name_size(m, groupnum, &err);
+
+    if (err != TOX_ERR_GROUP_SELF_QUERY_OK) {
+        strcpy(buf, UNKNOWN_NAME);
+        len = strlen(UNKNOWN_NAME);
+    } else {
+        tox_group_self_get_name(m, groupnum, (uint8_t *) buf, &err);
+
+        if (err != TOX_ERR_GROUP_SELF_QUERY_OK) {
+            strcpy(buf, UNKNOWN_NAME);
+            len = strlen(UNKNOWN_NAME);
+        }
+    }
+
+    len = MIN(len, TOXIC_MAX_NAME_LENGTH - 1);
+    buf[len] = 0;
+
+    filter_str(buf, len);
+
     return len;
 }
 
@@ -605,7 +678,8 @@ void set_window_title(ToxWindow *self, const char *title, int len)
 
     char cpy[TOXIC_MAX_NAME_LENGTH + 1];
 
-    if (self->type == WINDOW_TYPE_CONFERENCE) { /* keep conferencenumber in title for invites */
+    /* keep conferencenumber in title */
+    if (self->type == WINDOW_TYPE_CONFERENCE || self->type == WINDOW_TYPE_GROUPCHAT) {
         snprintf(cpy, sizeof(cpy), "%u %s", self->num, title);
     } else {
         snprintf(cpy, sizeof(cpy), "%s", title);

src/misc_tools.h

@@ -97,6 +97,9 @@ time_t get_unix_time(void);
 /* Puts the current time in buf in the format of specified by the config */
 void get_time_str(char *buf, size_t bufsize);
 
+/* Converts seconds to string in format H hours, m minutes, s seconds */
+void get_elapsed_time_str_alt(char *buf, int bufsize, uint64_t secs);
+
 /* Converts seconds to string in format HH:mm:ss; truncates hours and minutes when necessary */
 void get_elapsed_time_str(char *buf, int bufsize, time_t secs);
 
@@ -168,6 +171,12 @@ size_t get_nick_truncate(Tox *m, char *buf, uint32_t friendnum);
 /* same as get_nick_truncate but for conferences */
 int get_conference_nick_truncate(Tox *m, char *buf, uint32_t peernum, uint32_t conferencenum);
 
+/* same as get_nick_truncate but for groupchats */
+size_t get_group_nick_truncate(Tox *m, char *buf, uint32_t peer_id, uint32_t groupnum);
+
+/* same as get_group_nick_truncate() but for self. */
+size_t get_group_self_nick_truncate(Tox *m, char *buf, uint32_t groupnum);
+
 /* copies data to msg buffer.
    returns length of msg, which will be no larger than size-1 */
 size_t copy_tox_str(char *msg, size_t size, const char *data, size_t length);

src/prompt.c

@@ -59,11 +59,13 @@ static const char *glob_cmd_list[] = {
     "/connect",
     "/decline",
     "/exit",
+    "/group",
     "/conference",
 #ifdef GAMES
     "/game",
 #endif
     "/help",
+    "/join",
     "/log",
     "/myid",
 #ifdef QRCODE

src/settings.c

@@ -70,6 +70,8 @@ static struct ui_strings {
     const char *line_quit;
     const char *line_alert;
     const char *line_normal;
+    const char *line_special;
+    const char *group_part_message;
 
     const char *mplex_away;
     const char *mplex_away_note;
@@ -103,8 +105,10 @@ static struct ui_strings {
     "line_quit",
     "line_alert",
     "line_normal",
+    "line_special",
     "mplex_away",
     "mplex_away_note",
+    "group_part_message",
     "color_bar_bg",
     "color_bar_fg",
     "color_bar_accent",
@@ -130,13 +134,14 @@ static void ui_defaults(struct user_settings *settings)
     settings->show_typing_other = SHOW_TYPING_ON;
     settings->show_welcome_msg = SHOW_WELCOME_MSG_ON;
     settings->show_connection_msg = SHOW_CONNECTION_MSG_ON;
-    settings->nodeslist_update_freq = 7;
+    settings->nodeslist_update_freq = 1;
     settings->autosave_freq = 600;
 
     snprintf(settings->line_join, LINE_HINT_MAX + 1, "%s", LINE_JOIN);
     snprintf(settings->line_quit, LINE_HINT_MAX + 1, "%s", LINE_QUIT);
     snprintf(settings->line_alert, LINE_HINT_MAX + 1, "%s", LINE_ALERT);
     snprintf(settings->line_normal, LINE_HINT_MAX + 1, "%s", LINE_NORMAL);
+    snprintf(settings->line_special, LINE_HINT_MAX + 1, "%s", LINE_SPECIAL);
 
     settings->mplex_away = MPLEX_ON;
     snprintf(settings->mplex_away_note, sizeof(settings->mplex_away_note), "%s", MPLEX_AWAY_NOTE);
@@ -420,11 +425,19 @@ int settings_load(struct user_settings *s, const char *patharg)
             snprintf(s->line_normal, sizeof(s->line_normal), "%s", str);
         }
 
+        if (config_setting_lookup_string(setting, ui_strings.line_special, &str)) {
+            snprintf(s->line_special, sizeof(s->line_special), "%s", str);
+        }
+
         config_setting_lookup_bool(setting, ui_strings.mplex_away, &s->mplex_away);
 
         if (config_setting_lookup_string(setting, ui_strings.mplex_away_note, &str)) {
             snprintf(s->mplex_away_note, sizeof(s->mplex_away_note), "%s", str);
         }
+
+        if (config_setting_lookup_string(setting, ui_strings.group_part_message, &str)) {
+            snprintf(s->group_part_message, sizeof(s->group_part_message), "%s", str);
+        }
     }
 
     /* paths */

src/settings.h

@@ -61,6 +61,7 @@ struct user_settings {
     char line_quit[LINE_HINT_MAX + 1];
     char line_alert[LINE_HINT_MAX + 1];
     char line_normal[LINE_HINT_MAX + 1];
+    char line_special[LINE_HINT_MAX + 1];
 
     char download_path[PATH_MAX];
     char chatlogs_path[PATH_MAX];
@@ -85,6 +86,7 @@ struct user_settings {
 
     int mplex_away; /* boolean (1 for reaction to terminal attach/detach) */
     char mplex_away_note [TOX_MAX_STATUS_MESSAGE_LENGTH];
+    char group_part_message[TOX_GROUP_MAX_PART_LENGTH];
 
 #ifdef AUDIO
     int audio_in_dev;
@@ -130,6 +132,7 @@ enum settings_values {
 #define LINE_QUIT    "<--"
 #define LINE_ALERT   "-!-"
 #define LINE_NORMAL  "-"
+#define LINE_SPECIAL ">"
 #define TIMESTAMP_DEFAULT      "%H:%M"
 #define LOG_TIMESTAMP_DEFAULT  "%Y/%m/%d [%H:%M:%S]"
 #define MPLEX_AWAY_NOTE "Away from keyboard, be back soon!"

src/toxic.c

@@ -53,6 +53,7 @@
 #include "execute.h"
 #include "file_transfers.h"
 #include "friendlist.h"
+#include "groupchats.h"
 #include "line_info.h"
 #include "log.h"
 #include "message_queue.h"
@@ -472,6 +473,17 @@ static void load_friendlist(Tox *m)
     sort_friendlist_index();
 }
 
+static void load_groups(Tox *m)
+{
+    size_t numgroups = tox_group_get_number_groups(m);
+
+    for (size_t i = 0; i < numgroups; ++i) {
+        if (init_groupchat_win(m, i, NULL, 0) != 0) {
+            tox_group_leave(m, i, NULL, 0, NULL);
+        }
+    }
+}
+
 static void load_conferences(Tox *m)
 {
     size_t num_chats = tox_conference_get_chatlist_size(m);
@@ -815,6 +827,20 @@ static void init_tox_callbacks(Tox *m)
     tox_callback_file_recv_control(m, on_file_recv_control);
     tox_callback_file_recv_chunk(m, on_file_recv_chunk);
     tox_callback_friend_lossless_packet(m, on_lossless_custom_packet);
+    tox_callback_group_invite(m, on_group_invite);
+    tox_callback_group_message(m, on_group_message);
+    tox_callback_group_private_message(m, on_group_private_message);
+    tox_callback_group_peer_status(m, on_group_status_change);
+    tox_callback_group_peer_join(m, on_group_peer_join);
+    tox_callback_group_peer_exit(m, on_group_peer_exit);
+    tox_callback_group_peer_name(m, on_group_nick_change);
+    tox_callback_group_topic(m, on_group_topic_change);
+    tox_callback_group_peer_limit(m, on_group_peer_limit);
+    tox_callback_group_privacy_state(m, on_group_privacy_state);
+    tox_callback_group_password(m, on_group_password);
+    tox_callback_group_self_join(m, on_group_self_join);
+    tox_callback_group_join_fail(m, on_group_rejected);
+    tox_callback_group_moderation(m, on_group_moderation);
 }
 
 static void init_tox_options(struct Tox_Options *tox_opts)
@@ -1584,6 +1610,7 @@ int main(int argc, char **argv)
 
     prompt = init_windows(m);
     prompt_init_statusbar(prompt, m, !datafile_exists);
+    load_groups(m);
     load_conferences(m);
     set_active_window_index(0);
 

src/toxic.h

@@ -148,6 +148,30 @@ void on_file_recv(Tox *m, uint32_t friendnumber, uint32_t filenumber, uint32_t k
 void on_friend_typing(Tox *m, uint32_t friendnumber, bool is_typing, void *userdata);
 void on_friend_read_receipt(Tox *m, uint32_t friendnumber, uint32_t receipt, void *userdata);
 void on_lossless_custom_packet(Tox *m, uint32_t friendnumber, const uint8_t *data, size_t length, void *userdata);
+void on_group_invite(Tox *m, uint32_t friendnumber, const uint8_t *invite_data, size_t length,
+                     const uint8_t *group_name,
+                     size_t group_name_length, void *userdata);
+void on_group_message(Tox *m, uint32_t groupnumber, uint32_t peernumber, TOX_MESSAGE_TYPE type,
+                      const uint8_t *message, size_t length, void *userdata);
+void on_group_private_message(Tox *m, uint32_t groupnumber, uint32_t peernumber, TOX_MESSAGE_TYPE type,
+                              const uint8_t *message, size_t length,
+                              void *userdata);
+void on_group_peer_join(Tox *m, uint32_t groupnumber, uint32_t peernumber, void *userdata);
+void on_group_peer_exit(Tox *m, uint32_t groupnumber, uint32_t peer_id, Tox_Group_Exit_Type exit_type,
+                        const uint8_t *nick,
+                        size_t nick_len, const uint8_t *partmsg, size_t length, void *userdata);
+void on_group_topic_change(Tox *m, uint32_t groupnumber, uint32_t peernumber, const uint8_t *topic, size_t length,
+                           void *userdata);
+void on_group_peer_limit(Tox *m, uint32_t groupnumber, uint32_t peer_limit, void *userdata);
+void on_group_privacy_state(Tox *m, uint32_t groupnumber, TOX_GROUP_PRIVACY_STATE privacy_state, void *userdata);
+void on_group_password(Tox *m, uint32_t groupnumber, const uint8_t *password, size_t length, void *userdata);
+void on_group_nick_change(Tox *m, uint32_t groupnumber, uint32_t peernumber, const uint8_t *newname, size_t length,
+                          void *userdata);
+void on_group_status_change(Tox *m, uint32_t groupnumber, uint32_t peernumber, TOX_USER_STATUS status, void *userdata);
+void on_group_self_join(Tox *m, uint32_t groupnumber, void *userdata);
+void on_group_rejected(Tox *m, uint32_t groupnumber, TOX_GROUP_JOIN_FAIL type, void *userdata);
+void on_group_moderation(Tox *m, uint32_t groupnumber, uint32_t source_peernum, uint32_t target_peernum,
+                         TOX_GROUP_MOD_EVENT type, void *userdata);
 
 extern char *DATA_FILE;
 extern char *BLOCK_FILE;

src/windows.c

@@ -30,6 +30,7 @@
 #include "conference.h"
 #include "file_transfers.h"
 #include "friendlist.h"
+#include "groupchats.h"
 #include "line_info.h"
 #include "misc_tools.h"
 #include "prompt.h"
@@ -379,6 +380,168 @@ void on_lossless_custom_packet(Tox *m, uint32_t friendnumber, const uint8_t *dat
     }
 }
 
+void on_group_invite(Tox *m, uint32_t friendnumber, const uint8_t *invite_data, size_t length,
+                     const uint8_t *group_name,
+                     size_t group_name_length, void *userdata)
+{
+    char gname[MAX_STR_SIZE + 1];
+    group_name_length = copy_tox_str(gname, sizeof(gname), (const char *) group_name, group_name_length);
+
+    for (size_t i = 0; i < MAX_WINDOWS_NUM; ++i) {
+        if (windows[i] != NULL && windows[i]->onGroupInvite != NULL) {
+            windows[i]->onGroupInvite(windows[i], m, friendnumber, (char *) invite_data, length, gname, group_name_length);
+        }
+    }
+}
+
+void on_group_message(Tox *m, uint32_t groupnumber, uint32_t peer_id, TOX_MESSAGE_TYPE type,
+                      const uint8_t *message, size_t length, void *userdata)
+{
+    char msg[MAX_STR_SIZE + 1];
+    length = copy_tox_str(msg, sizeof(msg), (const char *) message, length);
+
+    for (size_t i = 0; i < MAX_WINDOWS_NUM; ++i) {
+        if (windows[i] != NULL && windows[i]->onGroupMessage != NULL) {
+            windows[i]->onGroupMessage(windows[i], m, groupnumber, peer_id, type, msg, length);
+        }
+    }
+}
+
+void on_group_private_message(Tox *m, uint32_t groupnumber, uint32_t peer_id, TOX_MESSAGE_TYPE type,
+                              const uint8_t *message,
+                              size_t length, void *userdata)
+{
+    char msg[MAX_STR_SIZE + 1];
+    length = copy_tox_str(msg, sizeof(msg), (const char *) message, length);
+
+    for (size_t i = 0; i < MAX_WINDOWS_NUM; ++i) {
+        if (windows[i] != NULL && windows[i]->onGroupPrivateMessage != NULL) {
+            windows[i]->onGroupPrivateMessage(windows[i], m, groupnumber, peer_id, msg, length);
+        }
+    }
+}
+
+void on_group_status_change(Tox *m, uint32_t groupnumber, uint32_t peer_id, TOX_USER_STATUS status, void *userdata)
+{
+    for (size_t i = 0; i < MAX_WINDOWS_NUM; ++i) {
+        if (windows[i] != NULL && windows[i]->onGroupStatusChange != NULL) {
+            windows[i]->onGroupStatusChange(windows[i], m, groupnumber, peer_id, status);
+        }
+    }
+}
+
+void on_group_peer_join(Tox *m, uint32_t groupnumber, uint32_t peer_id, void *userdata)
+{
+    for (size_t i = 0; i < MAX_WINDOWS_NUM; ++i) {
+        if (windows[i] != NULL && windows[i]->onGroupPeerJoin != NULL) {
+            windows[i]->onGroupPeerJoin(windows[i], m, groupnumber, peer_id);
+        }
+    }
+}
+
+void on_group_peer_exit(Tox *m, uint32_t groupnumber, uint32_t peer_id, Tox_Group_Exit_Type exit_type,
+                        const uint8_t *nick,
+                        size_t nick_len, const uint8_t *part_message, size_t length, void *userdata)
+{
+    char toxic_nick[TOXIC_MAX_NAME_LENGTH + 1];
+    nick_len = copy_tox_str(toxic_nick, sizeof(toxic_nick), (const char *) nick, nick_len);
+
+    char buf[MAX_STR_SIZE + 1] = {0};
+    size_t buf_len = 0;
+
+    if (part_message) {
+        buf_len = copy_tox_str(buf, sizeof(buf), (const char *) part_message, length);
+    }
+
+    for (size_t i = 0; i < MAX_WINDOWS_NUM; ++i) {
+        if (windows[i] != NULL && windows[i]->onGroupPeerExit != NULL) {
+            windows[i]->onGroupPeerExit(windows[i], m, groupnumber, peer_id, exit_type, toxic_nick, nick_len, buf, buf_len);
+        }
+    }
+}
+
+void on_group_topic_change(Tox *m, uint32_t groupnumber, uint32_t peer_id, const uint8_t *topic, size_t length,
+                           void *userdata)
+{
+    char data[MAX_STR_SIZE + 1];
+    length = copy_tox_str(data, sizeof(data), (const char *) topic, length);
+
+    for (size_t i = 0; i < MAX_WINDOWS_NUM; ++i) {
+        if (windows[i] != NULL && windows[i]->onGroupTopicChange != NULL) {
+            windows[i]->onGroupTopicChange(windows[i], m, groupnumber, peer_id, data, length);
+        }
+    }
+}
+
+void on_group_peer_limit(Tox *m, uint32_t groupnumber, uint32_t peer_limit, void *userdata)
+{
+    for (size_t i = 0; i < MAX_WINDOWS_NUM; ++i) {
+        if (windows[i] != NULL && windows[i]->onGroupPeerLimit != NULL) {
+            windows[i]->onGroupPeerLimit(windows[i], m, groupnumber, peer_limit);
+        }
+    }
+}
+
+void on_group_privacy_state(Tox *m, uint32_t groupnumber, TOX_GROUP_PRIVACY_STATE privacy_state, void *userdata)
+{
+    for (size_t i = 0; i < MAX_WINDOWS_NUM; ++i) {
+        if (windows[i] != NULL && windows[i]->onGroupPrivacyState != NULL) {
+            windows[i]->onGroupPrivacyState(windows[i], m, groupnumber, privacy_state);
+        }
+    }
+}
+
+void on_group_password(Tox *m, uint32_t groupnumber, const uint8_t *password, size_t length, void *userdata)
+{
+    for (size_t i = 0; i < MAX_WINDOWS_NUM; ++i) {
+        if (windows[i] != NULL && windows[i]->onGroupPassword != NULL) {
+            windows[i]->onGroupPassword(windows[i], m, groupnumber, (char *) password, length);
+        }
+    }
+}
+
+void on_group_nick_change(Tox *m, uint32_t groupnumber, uint32_t peer_id, const uint8_t *newname, size_t length,
+                          void *userdata)
+{
+    char name[TOXIC_MAX_NAME_LENGTH + 1];
+    length = copy_tox_str(name, sizeof(name), (const char *) newname, length);
+    filter_str(name, length);
+
+    for (size_t i = 0; i < MAX_WINDOWS_NUM; ++i) {
+        if (windows[i] != NULL && windows[i]->onGroupNickChange != NULL) {
+            windows[i]->onGroupNickChange(windows[i], m, groupnumber, peer_id, name, length);
+        }
+    }
+}
+
+void on_group_self_join(Tox *m, uint32_t groupnumber, void *userdata)
+{
+    for (size_t i = 0; i < MAX_WINDOWS_NUM; ++i) {
+        if (windows[i] != NULL && windows[i]->onGroupSelfJoin != NULL) {
+            windows[i]->onGroupSelfJoin(windows[i], m, groupnumber);
+        }
+    }
+}
+
+void on_group_rejected(Tox *m, uint32_t groupnumber, TOX_GROUP_JOIN_FAIL type, void *userdata)
+{
+    for (size_t i = 0; i < MAX_WINDOWS_NUM; ++i) {
+        if (windows[i] != NULL && windows[i]->onGroupRejected != NULL) {
+            windows[i]->onGroupRejected(windows[i], m, groupnumber, type);
+        }
+    }
+}
+
+void on_group_moderation(Tox *m, uint32_t groupnumber, uint32_t source_peer_id, uint32_t target_peer_id,
+                         TOX_GROUP_MOD_EVENT type, void *userdata)
+{
+    for (size_t i = 0; i < MAX_WINDOWS_NUM; ++i) {
+        if (windows[i] != NULL && windows[i]->onGroupModeration != NULL) {
+            windows[i]->onGroupModeration(windows[i], m, groupnumber, source_peer_id, target_peer_id, type);
+        }
+    }
+}
+
 /* CALLBACKS END */
 
 int add_window(Tox *m, ToxWindow *w)
@@ -976,6 +1139,12 @@ void kill_all_windows(Tox *m)
 
 #endif // GAMES
 
+            case WINDOW_TYPE_GROUPCHAT: {
+                exit_groupchat(w, m, w->num, user_settings->group_part_message,
+                               strlen(user_settings->group_part_message));
+		break;
+            }
+
             default: {
                 break;
             }

src/windows.h

@@ -87,6 +87,7 @@ typedef enum {
     WINDOW_TYPE_PROMPT,
     WINDOW_TYPE_CHAT,
     WINDOW_TYPE_CONFERENCE,
+    WINDOW_TYPE_GROUPCHAT,
     WINDOW_TYPE_FRIEND_LIST,
 
 #ifdef GAMES
@@ -192,6 +193,22 @@ struct ToxWindow {
     void(*onGameData)(ToxWindow *, Tox *, uint32_t, const uint8_t *, size_t);
 #endif // GAMES
 
+    void(*onGroupInvite)(ToxWindow *, Tox *, uint32_t, const char *, size_t, const char *, size_t);
+    void(*onGroupMessage)(ToxWindow *, Tox *, uint32_t, uint32_t, TOX_MESSAGE_TYPE, const char *, size_t);
+    void(*onGroupPrivateMessage)(ToxWindow *, Tox *, uint32_t, uint32_t, const char *, size_t);
+    void(*onGroupPeerJoin)(ToxWindow *, Tox *, uint32_t, uint32_t);
+    void(*onGroupPeerExit)(ToxWindow *, Tox *, uint32_t, uint32_t, TOX_GROUP_EXIT_TYPE, const char *, size_t, const char *,
+                           size_t);
+    void(*onGroupNickChange)(ToxWindow *, Tox *, uint32_t, uint32_t, const char *, size_t);
+    void(*onGroupStatusChange)(ToxWindow *, Tox *, uint32_t, uint32_t, TOX_USER_STATUS);
+    void(*onGroupTopicChange)(ToxWindow *, Tox *, uint32_t, uint32_t, const char *, size_t);
+    void(*onGroupPeerLimit)(ToxWindow *, Tox *, uint32_t, uint32_t);
+    void(*onGroupPrivacyState)(ToxWindow *, Tox *, uint32_t, TOX_GROUP_PRIVACY_STATE);
+    void(*onGroupPassword)(ToxWindow *, Tox *, uint32_t, const char *, size_t);
+    void(*onGroupSelfJoin)(ToxWindow *, Tox *, uint32_t);
+    void(*onGroupRejected)(ToxWindow *, Tox *, uint32_t, TOX_GROUP_JOIN_FAIL);
+    void(*onGroupModeration)(ToxWindow *, Tox *, uint32_t, uint32_t, uint32_t, TOX_GROUP_MOD_EVENT);
+
 #ifdef AUDIO
 
     void(*onInvite)(ToxWindow *, ToxAV *, uint32_t, int);