refactor: Remove remaining std::bind, check via clang-tidy

src/.clang-tidy

@@ -10,6 +10,7 @@ bugprone-unhandled-self-assignment,
 bugprone-unused-return-value,
 misc-unused-using-decls,
 misc-no-recursion,
+modernize-avoid-bind,
 modernize-deprecated-headers,
 modernize-use-default-member-init,
 modernize-use-emplace,

src/qt/splashscreen.cpp

@@ -180,8 +180,12 @@ static void ShowProgress(SplashScreen *splash, const std::string &title, int nPr
 void SplashScreen::subscribeToCoreSignals()
 {
     // Connect signals to client
-    m_handler_init_message = m_node->handleInitMessage(std::bind(InitMessage, this, std::placeholders::_1));
+    m_handler_init_message = m_node->handleInitMessage([this](const std::string& message) {
-    m_handler_show_progress = m_node->handleShowProgress(std::bind(ShowProgress, this, std::placeholders::_1, std::placeholders::_2, std::placeholders::_3));
+        InitMessage(this, message);
+    });
+    m_handler_show_progress = m_node->handleShowProgress([this](const std::string& title, int nProgress, bool resume_possible) {
+        ShowProgress(this, title, nProgress, resume_possible);
+    });
     m_handler_init_wallet = m_node->handleInitWallet([this]() { handleLoadWallet(); });
 }
 
@@ -190,7 +194,9 @@ void SplashScreen::handleLoadWallet()
 #ifdef ENABLE_WALLET
     if (!WalletModel::isWalletEnabled()) return;
     m_handler_load_wallet = m_node->walletLoader().handleLoadWallet([this](std::unique_ptr<interfaces::Wallet> wallet) {
-        m_connected_wallet_handlers.emplace_back(wallet->handleShowProgress(std::bind(ShowProgress, this, std::placeholders::_1, std::placeholders::_2, false)));
+        m_connected_wallet_handlers.emplace_back(wallet->handleShowProgress([this](const std::string& title, int nProgress) {
+            ShowProgress(this, title, nProgress, /*resume_possible=*/false);
+        }));
         m_connected_wallets.emplace_back(std::move(wallet));
     });
 #endif

src/qt/transactiontablemodel.cpp

@@ -712,7 +712,9 @@ void TransactionTablePriv::DispatchNotifications()
 void TransactionTableModel::subscribeToCoreSignals()
 {
     // Connect signals to wallet
-    m_handler_transaction_changed = walletModel->wallet().handleTransactionChanged(std::bind(&TransactionTablePriv::NotifyTransactionChanged, priv, std::placeholders::_1, std::placeholders::_2));
+    m_handler_transaction_changed = walletModel->wallet().handleTransactionChanged([this](const Txid& hash, ChangeType status) {
+        priv->NotifyTransactionChanged(hash, status);
+    });
     m_handler_show_progress = walletModel->wallet().handleShowProgress([this](const std::string&, int progress) {
         priv->m_loading = progress < 100;
         priv->DispatchNotifications();

src/wallet/wallet.cpp

@@ -3543,7 +3543,9 @@ void CWallet::ConnectScriptPubKeyManNotifiers()
 {
     for (const auto& spk_man : GetActiveScriptPubKeyMans()) {
         spk_man->NotifyCanGetAddressesChanged.connect(NotifyCanGetAddressesChanged);
-        spk_man->NotifyFirstKeyTimeChanged.connect(std::bind(&CWallet::MaybeUpdateBirthTime, this, std::placeholders::_2));
+        spk_man->NotifyFirstKeyTimeChanged.connect([this](const ScriptPubKeyMan*, int64_t time) {
+            MaybeUpdateBirthTime(time);
+        });
     }
 }