Add a member list expandable to the lobby. Fix issue with hosting more than once.

src/citra_qt/main.cpp

@@ -117,6 +117,8 @@ GMainWindow::GMainWindow() : config(new Config()), emu_thread(nullptr) {
     default_theme_paths = QIcon::themeSearchPaths();
     UpdateUITheme();
 
+    Network::Init();
+
     InitializeWidgets();
     InitializeDebugWidgets();
     InitializeRecentFileMenuActions();
@@ -131,8 +133,6 @@ GMainWindow::GMainWindow() : config(new Config()), emu_thread(nullptr) {
 
     SetupUIStrings();
 
-    Network::Init();
-
     setWindowTitle(QString("Citra %1| %2-%3")
                        .arg(Common::g_build_name, Common::g_scm_branch, Common::g_scm_desc));
     show();

src/citra_qt/multiplayer/client_room.cpp

@@ -96,6 +96,8 @@ void ClientRoomWindow::Disconnect() {
     if (auto member = Network::GetRoomMember().lock()) {
         member->Leave();
         ui->chat->AppendStatusMessage(tr("Disconnected"));
+        close();
+        emit Closed();
     }
 }
 

src/citra_qt/multiplayer/host_room.cpp

@@ -79,6 +79,8 @@ void HostRoomWindow::Host() {
                 return;
             } else {
                 member->Leave();
+                auto parent = static_cast<MultiplayerState*>(parentWidget());
+                parent->OnCloseRoom();
             }
         }
         ui->host->setDisabled(true);

src/citra_qt/multiplayer/lobby.cpp

@@ -35,7 +35,7 @@ Lobby::Lobby(QWidget* parent, QStandardItemModel* list,
     proxy->setFilterCaseSensitivity(Qt::CaseInsensitive);
     proxy->setSortLocaleAware(true);
     ui->room_list->setModel(proxy);
-    ui->room_list->header()->setSectionResizeMode(QHeaderView::ResizeToContents);
+    ui->room_list->header()->setSectionResizeMode(QHeaderView::Interactive);
     ui->room_list->header()->stretchLastSection();
     ui->room_list->setAlternatingRowColors(true);
     ui->room_list->setSelectionMode(QHeaderView::SingleSelection);
@@ -45,7 +45,7 @@ Lobby::Lobby(QWidget* parent, QStandardItemModel* list,
     ui->room_list->setSortingEnabled(true);
     ui->room_list->setEditTriggers(QHeaderView::NoEditTriggers);
     ui->room_list->setExpandsOnDoubleClick(false);
-    ui->room_list->setUniformRowHeights(true);
+    // ui->room_list->setUniformRowHeights(true);
     ui->room_list->setContextMenuPolicy(Qt::CustomContextMenu);
 
     ui->nickname->setValidator(Validation::nickname);
@@ -61,6 +61,7 @@ Lobby::Lobby(QWidget* parent, QStandardItemModel* list,
     connect(ui->search, &QLineEdit::textChanged, proxy,
             &LobbyFilterProxyModel::setFilterFixedString);
     connect(ui->room_list, &QTreeView::doubleClicked, this, &Lobby::OnJoinRoom);
+    connect(ui->room_list, &QTreeView::clicked, this, &Lobby::OnExpandRoom);
 
     // Actions
     connect(this, &Lobby::LobbyRefreshed, this, &Lobby::OnRefreshLobby);
@@ -99,6 +100,11 @@ const QString Lobby::PasswordPrompt() {
     return ok ? text : QString();
 }
 
+void Lobby::OnExpandRoom(const QModelIndex& index) {
+    QModelIndex member_index = proxy->index(index.row(), Column::MEMBER);
+    auto member_list = proxy->data(member_index, LobbyItemMemberList::MemberListRole).toList();
+}
+
 void Lobby::OnJoinRoom(const QModelIndex& index) {
     if (!ui->nickname->hasAcceptableInput()) {
         NetworkMessage::ShowError(NetworkMessage::USERNAME_NOT_VALID);
@@ -123,7 +129,6 @@ void Lobby::OnJoinRoom(const QModelIndex& index) {
     // attempt to connect in a different thread
     QFuture<void> f = QtConcurrent::run([&, password] {
         if (auto room_member = Network::GetRoomMember().lock()) {
-
             QModelIndex connection_index = proxy->index(index.row(), Column::HOST);
             const std::string nickname = ui->nickname->text().toStdString();
             const std::string ip =
@@ -161,7 +166,6 @@ void Lobby::ResetModel() {
     model->setHeaderData(Column::GAME_NAME, Qt::Horizontal, tr("Preferred Game"), Qt::DisplayRole);
     model->setHeaderData(Column::HOST, Qt::Horizontal, tr("Host"), Qt::DisplayRole);
     model->setHeaderData(Column::MEMBER, Qt::Horizontal, tr("Players"), Qt::DisplayRole);
-    ui->room_list->header()->stretchLastSection();
 }
 
 void Lobby::RefreshLobby() {
@@ -181,7 +185,7 @@ void Lobby::OnRefreshLobby() {
         // find the icon for the game if this person owns that game.
         QPixmap smdh_icon;
         for (int r = 0; r < game_list->rowCount(); ++r) {
-            auto index = QModelIndex(game_list->index(r, 0));
+            auto index = game_list->index(r, 0);
             auto game_id = game_list->data(index, GameListItemPath::ProgramIdRole).toULongLong();
             if (game_id != 0 && room.preferred_game_id == game_id) {
                 smdh_icon = game_list->data(index, Qt::DecorationRole).value<QPixmap>();
@@ -196,17 +200,41 @@ void Lobby::OnRefreshLobby() {
             members.append(var);
         }
 
-        model->appendRow(QList<QStandardItem*>(
+        auto first_item = new LobbyItemPassword(room.has_password);
-            {new LobbyItemPassword(room.has_password),
+        auto row = QList<QStandardItem*>({
+            first_item,
             new LobbyItemName(QString::fromStdString(room.name)),
             new LobbyItemGame(room.preferred_game_id, QString::fromStdString(room.preferred_game),
                               smdh_icon),
             new LobbyItemHost(QString::fromStdString(room.owner), QString::fromStdString(room.ip),
                               room.port),
-             new LobbyItemMemberList(members, room.max_player)}));
+            new LobbyItemMemberList(members, room.max_player),
+        });
+        model->appendRow(row);
+        // To make the rows expandable, add the member data as a child of the first column of the
+        // rows with people in them and have qt set them to colspan after the model is finished
+        // resetting
+        if (room.members.size() > 0) {
+            first_item->appendRow(new LobbyItemExpandedMemberList(members));
         }
+    }
+    ui->room_list->setModel(model);
+
+    // Reenable the refresh button and resize the columns
     ui->refresh_list->setEnabled(true);
     ui->refresh_list->setText(tr("Refresh List"));
+    ui->room_list->header()->stretchLastSection();
+    for (int i = 0; i < Column::TOTAL - 1; ++i) {
+        ui->room_list->resizeColumnToContents(i);
+    }
+
+    // Set the member list child items to span all columns
+    for (int i = 0; i < model->rowCount(); i++) {
+        auto parent = model->item(i, 0);
+        if (parent->hasChildren()) {
+            ui->room_list->setFirstColumnSpanned(0, parent->index(), true);
+        }
+    }
 }
 
 LobbyFilterProxyModel::LobbyFilterProxyModel(QWidget* parent, QStandardItemModel* list)

src/citra_qt/multiplayer/lobby.h

@@ -46,6 +46,14 @@ private slots:
      */
     void OnRefreshLobby();
 
+    /**
+     * Handler for single clicking on a room in the list. Expands the treeitem to show player
+     * information for the people in the room
+     *
+     * index - The row of the proxy model that the user wants to join.
+     */
+    void OnExpandRoom(const QModelIndex&);
+
     /**
      * Handler for double clicking on a room in the list. Gathers the host ip and port and attempts
      * to connect. Will also prompt for a password in case one is required.
@@ -99,7 +107,7 @@ private:
 
     std::future<AnnounceMultiplayerRoom::RoomList> room_list_future;
     std::weak_ptr<Core::AnnounceMultiplayerSession> announce_multiplayer_session;
-    std::unique_ptr<Ui::Lobby> ui;
+    Ui::Lobby* ui;
     QFutureWatcher<void>* watcher;
 };
 

src/citra_qt/multiplayer/lobby.ui

@@ -6,7 +6,7 @@
    <rect>
     <x>0</x>
     <y>0</y>
-    <width>707</width>
+    <width>850</width>
     <height>487</height>
    </rect>
   </property>

src/citra_qt/multiplayer/lobby_p.h

@@ -23,16 +23,17 @@ enum List {
 
 class LobbyItem : public QStandardItem {
 public:
-    LobbyItem() : QStandardItem() {}
+    LobbyItem() = default;
-    LobbyItem(const QString& string) : QStandardItem(string) {}
+    explicit LobbyItem(const QString& string) : QStandardItem(string) {}
     virtual ~LobbyItem() override {}
 };
 
 class LobbyItemPassword : public LobbyItem {
 public:
     static const int PasswordRole = Qt::UserRole + 1;
-    LobbyItemPassword() : LobbyItem() {}
+
-    LobbyItemPassword(const bool has_password) : LobbyItem() {
+    LobbyItemPassword() = default;
+    explicit LobbyItemPassword(const bool has_password) : LobbyItem() {
         setData(has_password, PasswordRole);
     }
 
@@ -52,8 +53,9 @@ public:
 class LobbyItemName : public LobbyItem {
 public:
     static const int NameRole = Qt::UserRole + 1;
-    LobbyItemName() : LobbyItem() {}
+
-    LobbyItemName(QString name) : LobbyItem() {
+    LobbyItemName() = default;
+    explicit LobbyItemName(QString name) : LobbyItem() {
         setData(name, NameRole);
     }
 
@@ -74,8 +76,8 @@ public:
     static const int GameNameRole = Qt::UserRole + 2;
     static const int GameIconRole = Qt::UserRole + 3;
 
-    LobbyItemGame() : LobbyItem() {}
+    LobbyItemGame() = default;
-    LobbyItemGame(u64 title_id, QString game_name, QPixmap smdh_icon) : LobbyItem() {
+    explicit LobbyItemGame(u64 title_id, QString game_name, QPixmap smdh_icon) : LobbyItem() {
         setData(static_cast<unsigned long long>(title_id), TitleIDRole);
         setData(game_name, GameNameRole);
         if (!smdh_icon.isNull()) {
@@ -109,8 +111,8 @@ public:
     static const int HostIPRole = Qt::UserRole + 2;
     static const int HostPortRole = Qt::UserRole + 3;
 
-    LobbyItemHost() : LobbyItem() {}
+    LobbyItemHost() = default;
-    LobbyItemHost(QString username, QString ip, u16 port) : LobbyItem() {
+    explicit LobbyItemHost(QString username, QString ip, u16 port) : LobbyItem() {
         setData(username, HostUsernameRole);
         setData(ip, HostIPRole);
         setData(port, HostPortRole);
@@ -132,15 +134,15 @@ public:
 
 class LobbyMember {
 public:
-    LobbyMember() {}
+    LobbyMember() = default;
     LobbyMember(const LobbyMember& other) {
         username = other.username;
         title_id = other.title_id;
         game_name = other.game_name;
     }
-    LobbyMember(const QString username, u64 title_id, const QString game_name)
+    explicit LobbyMember(const QString username, u64 title_id, const QString game_name)
         : username(username), title_id(title_id), game_name(game_name) {}
-    ~LobbyMember() {}
+    ~LobbyMember() = default;
 
     QString GetUsername() const {
         return username;
@@ -165,8 +167,8 @@ public:
     static const int MemberListRole = Qt::UserRole + 1;
     static const int MaxPlayerRole = Qt::UserRole + 2;
 
-    LobbyItemMemberList() : LobbyItem() {}
+    LobbyItemMemberList() = default;
-    LobbyItemMemberList(QList<QVariant> members, u32 max_players) : LobbyItem() {
+    explicit LobbyItemMemberList(QList<QVariant> members, u32 max_players) : LobbyItem() {
         setData(members, MemberListRole);
         setData(max_players, MaxPlayerRole);
     }
@@ -187,3 +189,34 @@ public:
         return left_members < right_members;
     }
 };
+
+/**
+ * Member information for when a lobby is expanded in the UI
+ */
+class LobbyItemExpandedMemberList : public LobbyItem {
+public:
+    static const int MemberListRole = Qt::UserRole + 1;
+
+    LobbyItemExpandedMemberList() = default;
+    explicit LobbyItemExpandedMemberList(QList<QVariant> members) : LobbyItem() {
+        setData(members, MemberListRole);
+    }
+
+    QVariant data(int role) const override {
+        if (role != Qt::DisplayRole) {
+            return LobbyItem::data(role);
+        }
+        auto members = data(MemberListRole).toList();
+        QString out = QObject::tr("Current Players in the room");
+        for (const auto& member : members) {
+            const auto& m = member.value<LobbyMember>();
+            if (m.GetGameName().isEmpty()) {
+                out += QString(QObject::tr("\n%1 is not playing a game")).arg(m.GetUsername());
+            } else {
+                out += QString(QObject::tr("\n%1 is playing %2"))
+                           .arg(m.GetUsername(), m.GetGameName());
+            }
+        }
+        return out;
+    }
+};

src/citra_qt/multiplayer/state.cpp

@@ -20,13 +20,13 @@ MultiplayerState::MultiplayerState(QWidget* parent, QStandardItemModel* game_lis
     : QWidget(parent), game_list_model(game_list_model) {
     if (auto member = Network::GetRoomMember().lock()) {
         // register the network structs to use in slots and signals
-        qRegisterMetaType<Network::RoomMember::State>();
         state_callback_handle = member->BindOnStateChanged(
             [this](const Network::RoomMember::State& state) { emit NetworkStateChanged(state); });
         connect(this, &MultiplayerState::NetworkStateChanged, this,
                 &MultiplayerState::OnNetworkStateChanged);
     }
 
+    qRegisterMetaType<Network::RoomMember::State>();
     qRegisterMetaType<Common::WebResult>();
     announce_multiplayer_session = std::make_shared<Core::AnnounceMultiplayerSession>();
     announce_multiplayer_session->BindErrorCallback(
@@ -91,11 +91,6 @@ static void BringWidgetToFront(QWidget* widget) {
 void MultiplayerState::OnViewLobby() {
     if (lobby == nullptr) {
         lobby = new Lobby(this, game_list_model, announce_multiplayer_session);
-        connect(lobby, &Lobby::Closed, [&] {
-            LOG_INFO(Frontend, "Destroying lobby");
-            // lobby->close();
-            lobby = nullptr;
-        });
     }
     BringWidgetToFront(lobby);
 }
@@ -103,11 +98,6 @@ void MultiplayerState::OnViewLobby() {
 void MultiplayerState::OnCreateRoom() {
     if (host_room == nullptr) {
         host_room = new HostRoomWindow(this, game_list_model, announce_multiplayer_session);
-        connect(host_room, &HostRoomWindow::Closed, [&] {
-            // host_room->close();
-            LOG_INFO(Frontend, "Destroying host room");
-            host_room = nullptr;
-        });
     }
     BringWidgetToFront(host_room);
 }
@@ -118,7 +108,6 @@ void MultiplayerState::OnCloseRoom() {
             if (NetworkMessage::WarnCloseRoom()) {
                 room->Destroy();
                 announce_multiplayer_session->Stop();
-                // host_room->close();
             }
         }
     }
@@ -129,11 +118,6 @@ void MultiplayerState::OnOpenNetworkRoom() {
         if (member->IsConnected()) {
             if (client_room == nullptr) {
                 client_room = new ClientRoomWindow(this);
-                connect(client_room, &ClientRoomWindow::Closed, [&] {
-                    LOG_INFO(Frontend, "Destroying client room");
-                    // client_room->close();
-                    client_room = nullptr;
-                });
             }
             BringWidgetToFront(client_room);
             return;
@@ -147,11 +131,6 @@ void MultiplayerState::OnOpenNetworkRoom() {
 void MultiplayerState::OnDirectConnectToRoom() {
     if (direct_connect == nullptr) {
         direct_connect = new DirectConnectWindow(this);
-        connect(direct_connect, &DirectConnectWindow::Closed, [&] {
-            LOG_INFO(Frontend, "Destroying direct connect");
-            // direct_connect->close();
-            direct_connect = nullptr;
-        });
     }
     BringWidgetToFront(direct_connect);
 }