Added list of members in a chat

Signed-off-by: TheJackiMonster <thejackimonster@gmail.com>

11 files changed, 409 insertions, 49 deletions

diff --git a/Makefile b/Makefile
index c836442..d3ebae0 100644
--- a/Makefile
+++ b/Makefile
@@ -10,13 +10,16 @@ SOURCES = messenger_cli.c\
           ui/accounts.c\
           ui/chat_open_dialog.c\
           ui/chats.c\
+          ui/members.c\
           ui/messages.c
 HEADERS = application.h\
           chat.h\
           ui/account_create_dialog.h\
           ui/accounts.h\
+          ui/chat.h\
           ui/chat_open_dialog.h\
           ui/chats.h\
+          ui/members.h\
           ui/messages.h
 
 LIBRARIES = gnunetchat gnunetutil ncurses
diff --git a/src/application.c b/src/application.c
index 74641c5..f3b99c5 100644
--- a/src/application.c
+++ b/src/application.c
@@ -45,7 +45,7 @@ application_init(MESSENGER_Application *app,
   noecho();
 
   keypad(app->window, TRUE);
-  timeout(100);
+  timeout(10);
 }
 
 static void
@@ -79,7 +79,8 @@ application_run(MESSENGER_Application *app)
       app
   );
 
-  messages_clear(&(app->messages));
+  members_clear(&(app->current.members));
+  messages_clear(&(app->current.messages));
 
   if (app->window)
     delwin(app->window);
diff --git a/src/application.h b/src/application.h
index 63e1689..ad8a7f5 100644
--- a/src/application.h
+++ b/src/application.h
@@ -32,8 +32,8 @@
 #include "util.h"
 
 #include "ui/accounts.h"
+#include "ui/chat.h"
 #include "ui/chats.h"
-#include "ui/messages.h"
 
 typedef struct MESSENGER_Application
 {
@@ -47,7 +47,7 @@ typedef struct MESSENGER_Application
 
   UI_ACCOUNTS_Handle accounts;
   UI_CHATS_Handle chats;
-  UI_MESSAGES_Handle messages;
+  UI_CHAT_Handle current;
 } MESSENGER_Application;
 
 void
diff --git a/src/chat.c b/src/chat.c
index 8ad21e5..4bf7972 100644
--- a/src/chat.c
+++ b/src/chat.c
@@ -35,18 +35,25 @@ _chat_refresh(MESSENGER_Application *app)
 
   app->accounts.window = NULL;
   app->chats.window = NULL;
-  app->messages.window = NULL;
+  app->current.members.window = NULL;
+  app->current.messages.window = NULL;
 
   if (!account)
     app->accounts.window = stdscr;
   else if (app->chat.context)
-    app->messages.window = stdscr;
+  {
+    if (app->chat.show_members)
+      app->current.members.window = stdscr;
+    else
+      app->current.messages.window = stdscr;
+  }
   else
     app->chats.window = stdscr;
 
   accounts_print(&(app->accounts), app);
   chats_print(&(app->chats), app);
-  messages_print(&(app->messages));
+  members_print(&(app->current.members));
+  messages_print(&(app->current.messages));
 }
 
 static int
@@ -63,7 +70,12 @@ _chat_event(MESSENGER_Application *app,
   if (!account)
     accounts_event(&(app->accounts), app, key);
   else if (app->chat.context)
-    messages_event(&(app->messages), app, key);
+  {
+    if (app->chat.show_members)
+      members_event(&(app->current.members), app, key);
+    else
+      messages_event(&(app->current.messages), app, key);
+  }
   else
     chats_event(&(app->chats), app, key);
 
@@ -82,21 +94,7 @@ _chat_message(void *cls,
 {
   MESSENGER_Application *app = cls;
 
-  UI_MESSAGES_Handle *messages = (UI_MESSAGES_Handle*) (
-      GNUNET_CHAT_context_get_user_pointer(context)
-  );
-
-  if (messages)
-  {
-    if (GNUNET_CHAT_KIND_DELETION == GNUNET_CHAT_message_get_kind(message))
-      messages_remove(
-          &(app->messages),
-          context,
-          GNUNET_CHAT_message_get_target(message)
-      );
-
-    messages_add(&(app->messages), context, message);
-  }
+  chat_process_message(&(app->chat), context, message);
 
   _chat_event(app, KEY_RESIZE);
   return GNUNET_YES;
@@ -160,3 +158,35 @@ chat_stop(MESSENGER_Chat *chat)
 
   chat->quit = GNUNET_YES;
 }
+
+void
+chat_process_message(UNUSED MESSENGER_Chat *chat,
+                     struct GNUNET_CHAT_Context *context,
+                     const struct GNUNET_CHAT_Message *message)
+{
+  enum GNUNET_CHAT_MessageKind kind = GNUNET_CHAT_message_get_kind(message);
+
+  struct GNUNET_CHAT_Contact *sender = GNUNET_CHAT_message_get_sender(message);
+
+  UI_CHAT_Handle *current = (UI_CHAT_Handle*) (
+      GNUNET_CHAT_context_get_user_pointer(context)
+  );
+
+  if (!current)
+    return;
+
+  bool new_member = FALSE;
+
+  if (GNUNET_CHAT_KIND_LEAVE)
+    members_remove(&(current->members), sender);
+  else if (GNUNET_CHAT_KIND_JOIN == kind)
+    new_member = members_add(&(current->members), sender);
+
+  if (GNUNET_CHAT_KIND_DELETION == kind)
+    messages_remove(
+        &(current->messages),
+        GNUNET_CHAT_message_get_target(message)
+    );
+  else if ((GNUNET_CHAT_KIND_JOIN != kind) || (new_member))
+    messages_add(&(current->messages), message);
+}
diff --git a/src/chat.h b/src/chat.h
index 8d5cd0b..8f3a309 100644
--- a/src/chat.h
+++ b/src/chat.h
@@ -38,6 +38,7 @@ typedef struct MESSENGER_Chat
 
   struct GNUNET_SCHEDULER_Task *idle;
 
+  bool show_members;
   int quit;
 } MESSENGER_Chat;
 
@@ -49,4 +50,9 @@ chat_start(MESSENGER_Chat *chat,
 void
 chat_stop(MESSENGER_Chat *chat);
 
+void
+chat_process_message(MESSENGER_Chat *chat,
+                     struct GNUNET_CHAT_Context *context,
+                     const struct GNUNET_CHAT_Message *message);
+
 #endif /* CHAT_H_ */
diff --git a/src/ui/chat.h b/src/ui/chat.h
new file mode 100644
index 0000000..b8febf4
--- /dev/null
+++ b/src/ui/chat.h
@@ -0,0 +1,37 @@
+/*
+   This file is part of GNUnet.
+   Copyright (C) 2022 GNUnet e.V.
+
+   GNUnet is free software: you can redistribute it and/or modify it
+   under the terms of the GNU Affero General Public License as published
+   by the Free Software Foundation, either version 3 of the License,
+   or (at your option) any later version.
+
+   GNUnet 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
+   Affero General Public License for more details.
+
+   You should have received a copy of the GNU Affero General Public License
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+   SPDX-License-Identifier: AGPL3.0-or-later
+ */
+/*
+ * @author Tobias Frisch
+ * @file ui/chat.h
+ */
+
+#ifndef UI_CHAT_H_
+#define UI_CHAT_H_
+
+#include "members.h"
+#include "messages.h"
+
+typedef struct UI_CHAT_Handle
+{
+  UI_MEMBERS_Handle members;
+  UI_MESSAGES_Handle messages;
+} UI_CHAT_Handle;
+
+#endif /* UI_CHAT_H_ */
diff --git a/src/ui/chats.c b/src/ui/chats.c
index dbffc26..fc7056c 100644
--- a/src/ui/chats.c
+++ b/src/ui/chats.c
@@ -49,10 +49,8 @@ _chats_iterate_messages(void *cls,
                         struct GNUNET_CHAT_Context *context,
                         const struct GNUNET_CHAT_Message *message)
 {
-  UI_MESSAGES_Handle *messages = cls;
-
-  messages_add(messages, context, message);
-
+  MESSENGER_Chat *chat = cls;
+  chat_process_message(chat, context, message);
   return GNUNET_YES;
 }
 
@@ -101,17 +99,18 @@ chats_event(UI_CHATS_Handle *chats,
       {
         struct GNUNET_CHAT_Context *context = GNUNET_CHAT_group_get_context(chats->selected);
 
-        messages_clear(&(app->messages));
+        members_clear(&(app->current.members));
+        messages_clear(&(app->current.messages));
 
-        GNUNET_CHAT_context_iterate_messages(
+        GNUNET_CHAT_context_set_user_pointer(
             context,
-            &_chats_iterate_messages,
-            &(app->messages)
+            &(app->current)
         );
 
-        GNUNET_CHAT_context_set_user_pointer(
+        GNUNET_CHAT_context_iterate_messages(
             context,
-            &(app->messages)
+            &_chats_iterate_messages,
+            &(app->chat)
         );
 
         app->chat.context = context;
diff --git a/src/ui/members.c b/src/ui/members.c
new file mode 100644
index 0000000..c500d58
--- /dev/null
+++ b/src/ui/members.c
@@ -0,0 +1,217 @@
+/*
+   This file is part of GNUnet.
+   Copyright (C) 2022 GNUnet e.V.
+
+   GNUnet is free software: you can redistribute it and/or modify it
+   under the terms of the GNU Affero General Public License as published
+   by the Free Software Foundation, either version 3 of the License,
+   or (at your option) any later version.
+
+   GNUnet 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
+   Affero General Public License for more details.
+
+   You should have received a copy of the GNU Affero General Public License
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+   SPDX-License-Identifier: AGPL3.0-or-later
+ */
+/*
+ * @author Tobias Frisch
+ * @file ui/members.c
+ */
+
+#include "members.h"
+
+#include "../application.h"
+#include "../util.h"
+
+void
+members_event(UI_MEMBERS_Handle *members,
+              struct MESSENGER_Application *app,
+              int key)
+{
+  members->line_index = 0;
+  members->selected = NULL;
+
+  int count = 0;
+
+  UI_MEMBERS_List *element = members->head;
+  while (element)
+  {
+    count++;
+
+    element = element->next;
+  }
+
+  switch (key)
+  {
+    case 27:
+    case KEY_EXIT:
+    case '\t':
+    {
+      app->chat.show_members = FALSE;
+      break;
+    }
+    case KEY_UP:
+    {
+      members->line_selected--;
+      break;
+    }
+    case KEY_DOWN:
+    {
+      members->line_selected++;
+      break;
+    }
+    case '\n':
+    case KEY_ENTER:
+    {
+      if (members->selected)
+      {
+        // TODO
+      }
+
+      break;
+    }
+    default:
+      break;
+  }
+
+  if (members->line_selected < 0)
+    members->line_selected = 0;
+  else if (members->line_selected >= count)
+    members->line_selected = count - 1;
+
+  if (!(members->window))
+    return;
+
+  const int height = getmaxy(members->window) - getbegy(members->window);
+  const int y = members->line_selected - members->line_offset;
+
+  if (y < 0)
+    members->line_offset += y;
+  else if (y + 1 >= height)
+    members->line_offset += y + 1 - height;
+
+  if (members->line_offset < 0)
+    members->line_offset = 0;
+  else if (members->line_offset >= count)
+    members->line_offset = count - 1;
+}
+
+static void
+_members_iterate_print(UI_MEMBERS_Handle *members,
+                       const struct GNUNET_CHAT_Contact *contact)
+{
+  const bool selected = (members->line_selected == members->line_index);
+  const int y = members->line_index - members->line_offset;
+
+  members->line_index++;
+
+  if (y < 0)
+    return;
+
+  const int height = getmaxy(members->window) - getbegy(members->window);
+
+  if (y >= height)
+    return;
+
+  const int attrs_select = A_BOLD;
+
+  if (selected) wattron(members->window, attrs_select);
+
+  wmove(members->window, y, 0);
+
+  const char *name = GNUNET_CHAT_contact_get_name(contact);
+  wprintw(members->window, "%s", name);
+
+  if (selected) wattroff(members->window, attrs_select);
+}
+
+void
+members_print(UI_MEMBERS_Handle *members)
+{
+  if (!(members->window))
+    return;
+
+  members->line_index = 0;
+  werase(members->window);
+
+  UI_MEMBERS_List *element = members->head;
+  while (element)
+  {
+    _members_iterate_print(members, element->contact);
+
+    element = element->next;
+  }
+}
+
+void
+members_clear(UI_MEMBERS_Handle *members)
+{
+  UI_MEMBERS_List *element;
+  while (members->head)
+  {
+    element = members->head;
+
+    GNUNET_CONTAINER_DLL_remove(
+        members->head,
+        members->tail,
+        element
+    );
+
+    GNUNET_free(element);
+  }
+
+  members->line_selected = 0;
+}
+
+bool
+members_add(UI_MEMBERS_Handle *members,
+            const struct GNUNET_CHAT_Contact *contact)
+{
+  UI_MEMBERS_List *element = members->head;
+  while (element)
+  {
+    if (element->contact == contact)
+      break;
+
+    element = element->next;
+  }
+
+  if (element)
+    return FALSE;
+
+  element = GNUNET_new(UI_MEMBERS_List);
+  element->contact = contact;
+
+  GNUNET_CONTAINER_DLL_insert_tail(
+      members->head,
+      members->tail,
+      element
+  );
+
+  return TRUE;
+}
+
+void
+members_remove(UI_MEMBERS_Handle *members,
+               const struct GNUNET_CHAT_Contact *contact)
+{
+  UI_MEMBERS_List *element = members->head;
+  while (element)
+  {
+    if (element->contact == contact)
+      break;
+
+    element = element->next;
+  }
+
+  if (element)
+    GNUNET_CONTAINER_DLL_remove(
+        members->head,
+        members->tail,
+        element
+    );
+}
diff --git a/src/ui/members.h b/src/ui/members.h
new file mode 100644
index 0000000..4f7c50d
--- /dev/null
+++ b/src/ui/members.h
@@ -0,0 +1,78 @@
+/*
+   This file is part of GNUnet.
+   Copyright (C) 2022 GNUnet e.V.
+
+   GNUnet is free software: you can redistribute it and/or modify it
+   under the terms of the GNU Affero General Public License as published
+   by the Free Software Foundation, either version 3 of the License,
+   or (at your option) any later version.
+
+   GNUnet 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
+   Affero General Public License for more details.
+
+   You should have received a copy of the GNU Affero General Public License
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+   SPDX-License-Identifier: AGPL3.0-or-later
+ */
+/*
+ * @author Tobias Frisch
+ * @file ui/members.h
+ */
+
+#ifndef UI_MEMBERS_H_
+#define UI_MEMBERS_H_
+
+#include <stdlib.h>
+#include <curses.h>
+
+#include <gnunet/platform.h>
+#include <gnunet/gnunet_chat_lib.h>
+#include <gnunet/gnunet_util_lib.h>
+
+struct MESSENGER_Application;
+
+typedef struct UI_MEMBERS_List
+{
+  const struct GNUNET_CHAT_Contact *contact;
+
+  struct UI_MEMBERS_List *prev;
+  struct UI_MEMBERS_List *next;
+} UI_MEMBERS_List;
+
+typedef struct UI_MEMBERS_Handle
+{
+  WINDOW *window;
+
+  UI_MEMBERS_List *head;
+  UI_MEMBERS_List *tail;
+
+  int line_index;
+  int line_offset;
+  int line_selected;
+
+  const struct GNUNET_CHAT_Contact *selected;
+} UI_MEMBERS_Handle;
+
+void
+members_event(UI_MEMBERS_Handle *members,
+              struct MESSENGER_Application *app,
+              int key);
+
+void
+members_print(UI_MEMBERS_Handle *members);
+
+void
+members_clear(UI_MEMBERS_Handle *members);
+
+bool
+members_add(UI_MEMBERS_Handle *members,
+            const struct GNUNET_CHAT_Contact *contact);
+
+void
+members_remove(UI_MEMBERS_Handle *members,
+               const struct GNUNET_CHAT_Contact *contact);
+
+#endif /* UI_MEMBERS_H_ */
diff --git a/src/ui/messages.c b/src/ui/messages.c
index 70d64df..9b0a692 100644
--- a/src/ui/messages.c
+++ b/src/ui/messages.c
@@ -86,6 +86,11 @@ messages_event(UI_MESSAGES_Handle *messages,
       messages->line_selected++;
       break;
     }
+    case '\t':
+    {
+      app->chat.show_members = TRUE;
+      break;
+    }
     case '\n':
     case KEY_ENTER:
     {
@@ -337,7 +342,6 @@ _message_compare_timestamps(UNUSED void *cls,
 
 void
 messages_add(UI_MESSAGES_Handle *messages,
-             struct GNUNET_CHAT_Context *context,
              const struct GNUNET_CHAT_Message *message)
 {
   enum GNUNET_CHAT_MessageKind kind = GNUNET_CHAT_message_get_kind(message);
@@ -351,15 +355,6 @@ messages_add(UI_MESSAGES_Handle *messages,
       break;
   }
 
-  struct GNUNET_CHAT_Contact *sender = GNUNET_CHAT_message_get_sender(message);
-  struct GNUNET_CHAT_Group *group = GNUNET_CHAT_context_get_group(context);
-
-  if ((GNUNET_CHAT_KIND_JOIN == kind) &&
-      (GNUNET_CHAT_member_get_user_pointer(group, sender)))
-  {
-    return;
-  }
-
   const int height = getmaxy(messages->window) - getbegy(messages->window);
   const int line_height = height - 2;
 
@@ -384,9 +379,6 @@ messages_add(UI_MESSAGES_Handle *messages,
     element
   );
 
-  if (GNUNET_CHAT_KIND_JOIN == kind)
-    GNUNET_CHAT_member_set_user_pointer(group, sender, element);
-
   if (messages->line_selected >= count)
     messages->line_selected = count + 1;
 
@@ -396,7 +388,6 @@ messages_add(UI_MESSAGES_Handle *messages,
 
 void
 messages_remove(UI_MESSAGES_Handle *messages,
-                UNUSED struct GNUNET_CHAT_Context *context,
                 const struct GNUNET_CHAT_Message *message)
 {
   UI_MESSAGES_List *element = messages->head;
diff --git a/src/ui/messages.h b/src/ui/messages.h
index d969782..06de97f 100644
--- a/src/ui/messages.h
+++ b/src/ui/messages.h
@@ -75,12 +75,10 @@ messages_clear(UI_MESSAGES_Handle *messages);
 
 void
 messages_add(UI_MESSAGES_Handle *messages,
-             struct GNUNET_CHAT_Context *context,
              const struct GNUNET_CHAT_Message *message);
 
 void
 messages_remove(UI_MESSAGES_Handle *messages,
-                struct GNUNET_CHAT_Context *context,
                 const struct GNUNET_CHAT_Message *message);
 
 #endif /* UI_MESSAGES_H_ */