diff options
author | Wladimir J. van der Laan <laanwj@gmail.com> | 2016-11-24 12:17:35 +0100 |
---|---|---|
committer | Wladimir J. van der Laan <laanwj@gmail.com> | 2016-11-24 12:17:39 +0100 |
commit | db5e22e0537ae262270660201519c5c20f30951a (patch) | |
tree | 4c6140c0448ab95f50041655d272591875337d54 /src | |
parent | 93566e0c37c5ae104095474fea89f00dcb40f551 (diff) | |
parent | ed998ea7a0ecf294211b06e9ef82f1548a621a1d (diff) |
Merge #9190: qt: Plug many memory leaks
ed998ea qt: Avoid OpenSSL certstore-related memory leak (Wladimir J. van der Laan)
5204598 qt: Avoid shutdownwindow-related memory leak (Wladimir J. van der Laan)
e4f126a qt: Avoid splash-screen related memory leak (Wladimir J. van der Laan)
693384e qt: Prevent thread/memory leak on exiting RPCConsole (Wladimir J. van der Laan)
47db075 qt: Plug many memory leaks (Wladimir J. van der Laan)
Diffstat (limited to 'src')
-rw-r--r-- | src/qt/addressbookpage.cpp | 2 | ||||
-rw-r--r-- | src/qt/bantablemodel.cpp | 7 | ||||
-rw-r--r-- | src/qt/bantablemodel.h | 3 | ||||
-rw-r--r-- | src/qt/bitcoin.cpp | 14 | ||||
-rw-r--r-- | src/qt/bitcoingui.cpp | 13 | ||||
-rw-r--r-- | src/qt/coincontroldialog.cpp | 2 | ||||
-rw-r--r-- | src/qt/guiutil.cpp | 3 | ||||
-rw-r--r-- | src/qt/guiutil.h | 2 | ||||
-rw-r--r-- | src/qt/overviewpage.cpp | 11 | ||||
-rw-r--r-- | src/qt/overviewpage.h | 3 | ||||
-rw-r--r-- | src/qt/paymentserver.cpp | 43 | ||||
-rw-r--r-- | src/qt/paymentserver.h | 5 | ||||
-rw-r--r-- | src/qt/peertablemodel.cpp | 9 | ||||
-rw-r--r-- | src/qt/peertablemodel.h | 3 | ||||
-rw-r--r-- | src/qt/receivecoinsdialog.cpp | 5 | ||||
-rw-r--r-- | src/qt/receiverequestdialog.cpp | 2 | ||||
-rw-r--r-- | src/qt/recentrequeststablemodel.cpp | 2 | ||||
-rw-r--r-- | src/qt/rpcconsole.cpp | 28 | ||||
-rw-r--r-- | src/qt/rpcconsole.h | 2 | ||||
-rw-r--r-- | src/qt/splashscreen.cpp | 1 | ||||
-rw-r--r-- | src/qt/transactionview.cpp | 6 | ||||
-rw-r--r-- | src/qt/utilitydialog.cpp | 8 | ||||
-rw-r--r-- | src/qt/utilitydialog.h | 2 |
23 files changed, 102 insertions, 74 deletions
diff --git a/src/qt/addressbookpage.cpp b/src/qt/addressbookpage.cpp index 58cf4dede0..6076837fde 100644 --- a/src/qt/addressbookpage.cpp +++ b/src/qt/addressbookpage.cpp @@ -83,7 +83,7 @@ AddressBookPage::AddressBookPage(const PlatformStyle *platformStyle, Mode _mode, deleteAction = new QAction(ui->deleteAddress->text(), this); // Build context menu - contextMenu = new QMenu(); + contextMenu = new QMenu(this); contextMenu->addAction(copyAddressAction); contextMenu->addAction(copyLabelAction); contextMenu->addAction(editAction); diff --git a/src/qt/bantablemodel.cpp b/src/qt/bantablemodel.cpp index 6e11e23904..fe53d89ba9 100644 --- a/src/qt/bantablemodel.cpp +++ b/src/qt/bantablemodel.cpp @@ -87,7 +87,7 @@ BanTableModel::BanTableModel(ClientModel *parent) : clientModel(parent) { columns << tr("IP/Netmask") << tr("Banned Until"); - priv = new BanTablePriv(); + priv.reset(new BanTablePriv()); // default to unsorted priv->sortColumn = -1; @@ -95,6 +95,11 @@ BanTableModel::BanTableModel(ClientModel *parent) : refresh(); } +BanTableModel::~BanTableModel() +{ + // Intentionally left empty +} + int BanTableModel::rowCount(const QModelIndex &parent) const { Q_UNUSED(parent); diff --git a/src/qt/bantablemodel.h b/src/qt/bantablemodel.h index fe9600ac0b..3c03d05c05 100644 --- a/src/qt/bantablemodel.h +++ b/src/qt/bantablemodel.h @@ -40,6 +40,7 @@ class BanTableModel : public QAbstractTableModel public: explicit BanTableModel(ClientModel *parent = 0); + ~BanTableModel(); void startAutoRefresh(); void stopAutoRefresh(); @@ -66,7 +67,7 @@ public Q_SLOTS: private: ClientModel *clientModel; QStringList columns; - BanTablePriv *priv; + std::unique_ptr<BanTablePriv> priv; }; #endif // BITCOIN_QT_BANTABLEMODEL_H diff --git a/src/qt/bitcoin.cpp b/src/qt/bitcoin.cpp index c828234f44..d7452f308e 100644 --- a/src/qt/bitcoin.cpp +++ b/src/qt/bitcoin.cpp @@ -245,6 +245,7 @@ private: #endif int returnValue; const PlatformStyle *platformStyle; + std::unique_ptr<QWidget> shutdownWindow; void startThread(); }; @@ -365,9 +366,8 @@ void BitcoinApplication::createWindow(const NetworkStyle *networkStyle) void BitcoinApplication::createSplashScreen(const NetworkStyle *networkStyle) { SplashScreen *splash = new SplashScreen(0, networkStyle); - // We don't hold a direct pointer to the splash screen after creation, so use - // Qt::WA_DeleteOnClose to make sure that the window will be deleted eventually. - splash->setAttribute(Qt::WA_DeleteOnClose); + // We don't hold a direct pointer to the splash screen after creation, but the splash + // screen will take care of deleting itself when slotFinish happens. splash->show(); connect(this, SIGNAL(splashFinished(QWidget*)), splash, SLOT(slotFinish(QWidget*))); connect(this, SIGNAL(requestedShutdown()), splash, SLOT(close())); @@ -409,6 +409,11 @@ void BitcoinApplication::requestInitialize() void BitcoinApplication::requestShutdown() { + // Show a simple window indicating shutdown status + // Do this first as some of the steps may take some time below, + // for example the RPC console may still be executing a command. + shutdownWindow.reset(ShutdownWindow::showShutdownWindow(window)); + qDebug() << __func__ << ": Requesting shutdown"; startThread(); window->hide(); @@ -423,9 +428,6 @@ void BitcoinApplication::requestShutdown() delete clientModel; clientModel = 0; - // Show a simple window indicating shutdown status - ShutdownWindow::showShutdownWindow(window); - // Request shutdown from core thread Q_EMIT requestedShutdown(); } diff --git a/src/qt/bitcoingui.cpp b/src/qt/bitcoingui.cpp index b7302e3969..6112a1d256 100644 --- a/src/qt/bitcoingui.cpp +++ b/src/qt/bitcoingui.cpp @@ -511,6 +511,13 @@ void BitcoinGUI::setClientModel(ClientModel *_clientModel) // Disable context menu on tray icon trayIconMenu->clear(); } + // Propagate cleared model to child objects + rpcConsole->setClientModel(nullptr); +#ifdef ENABLE_WALLET + walletFrame->setClientModel(nullptr); +#endif // ENABLE_WALLET + unitDisplayControl->setOptionsModel(nullptr); + connectionsControl->setClientModel(nullptr); } } @@ -1191,7 +1198,7 @@ void UnitDisplayStatusBarControl::mousePressEvent(QMouseEvent *event) /** Creates context menu, its actions, and wires up all the relevant signals for mouse events. */ void UnitDisplayStatusBarControl::createContextMenu() { - menu = new QMenu(); + menu = new QMenu(this); Q_FOREACH(BitcoinUnits::Unit u, BitcoinUnits::availableUnits()) { QAction *menuAction = new QAction(QString(BitcoinUnits::name(u)), this); @@ -1248,7 +1255,5 @@ void NetworkToggleStatusBarControl::mousePressEvent(QMouseEvent *event) /** Lets the control know about the Client Model */ void NetworkToggleStatusBarControl::setClientModel(ClientModel *_clientModel) { - if (_clientModel) { - this->clientModel = _clientModel; - } + this->clientModel = _clientModel; } diff --git a/src/qt/coincontroldialog.cpp b/src/qt/coincontroldialog.cpp index 1010a62fc4..d77db39b3c 100644 --- a/src/qt/coincontroldialog.cpp +++ b/src/qt/coincontroldialog.cpp @@ -59,7 +59,7 @@ CoinControlDialog::CoinControlDialog(const PlatformStyle *_platformStyle, QWidge unlockAction = new QAction(tr("Unlock unspent"), this); // we need to enable/disable this // context menu - contextMenu = new QMenu(); + contextMenu = new QMenu(this); contextMenu->addAction(copyAddressAction); contextMenu->addAction(copyLabelAction); contextMenu->addAction(copyAmountAction); diff --git a/src/qt/guiutil.cpp b/src/qt/guiutil.cpp index 9dc75c2e1a..130cfc6e7d 100644 --- a/src/qt/guiutil.cpp +++ b/src/qt/guiutil.cpp @@ -585,7 +585,8 @@ void TableViewLastColumnResizingFixer::on_geometriesChanged() * Initializes all internal variables and prepares the * the resize modes of the last 2 columns of the table and */ -TableViewLastColumnResizingFixer::TableViewLastColumnResizingFixer(QTableView* table, int lastColMinimumWidth, int allColsMinimumWidth) : +TableViewLastColumnResizingFixer::TableViewLastColumnResizingFixer(QTableView* table, int lastColMinimumWidth, int allColsMinimumWidth, QObject *parent) : + QObject(parent), tableView(table), lastColumnMinimumWidth(lastColMinimumWidth), allColumnsMinimumWidth(allColsMinimumWidth) diff --git a/src/qt/guiutil.h b/src/qt/guiutil.h index 64cbd51eb6..8f1f3fbb2c 100644 --- a/src/qt/guiutil.h +++ b/src/qt/guiutil.h @@ -149,7 +149,7 @@ namespace GUIUtil Q_OBJECT public: - TableViewLastColumnResizingFixer(QTableView* table, int lastColMinimumWidth, int allColsMinimumWidth); + TableViewLastColumnResizingFixer(QTableView* table, int lastColMinimumWidth, int allColsMinimumWidth, QObject *parent); void stretchColumnWidth(int column); private: diff --git a/src/qt/overviewpage.cpp b/src/qt/overviewpage.cpp index 7ccdb89c0c..ea1bb2fc94 100644 --- a/src/qt/overviewpage.cpp +++ b/src/qt/overviewpage.cpp @@ -25,8 +25,8 @@ class TxViewDelegate : public QAbstractItemDelegate { Q_OBJECT public: - TxViewDelegate(const PlatformStyle *_platformStyle): - QAbstractItemDelegate(), unit(BitcoinUnits::BTC), + TxViewDelegate(const PlatformStyle *_platformStyle, QObject *parent=nullptr): + QAbstractItemDelegate(parent), unit(BitcoinUnits::BTC), platformStyle(_platformStyle) { @@ -119,8 +119,7 @@ OverviewPage::OverviewPage(const PlatformStyle *platformStyle, QWidget *parent) currentWatchOnlyBalance(-1), currentWatchUnconfBalance(-1), currentWatchImmatureBalance(-1), - txdelegate(new TxViewDelegate(platformStyle)), - filter(0) + txdelegate(new TxViewDelegate(platformStyle, this)) { ui->setupUi(this); @@ -220,7 +219,7 @@ void OverviewPage::setWalletModel(WalletModel *model) if(model && model->getOptionsModel()) { // Set up transaction list - filter = new TransactionFilterProxy(); + filter.reset(new TransactionFilterProxy()); filter->setSourceModel(model->getTransactionTableModel()); filter->setLimit(NUM_ITEMS); filter->setDynamicSortFilter(true); @@ -228,7 +227,7 @@ void OverviewPage::setWalletModel(WalletModel *model) filter->setShowInactive(false); filter->sort(TransactionTableModel::Date, Qt::DescendingOrder); - ui->listTransactions->setModel(filter); + ui->listTransactions->setModel(filter.get()); ui->listTransactions->setModelColumn(TransactionTableModel::ToAddress); // Keep up to date with wallet diff --git a/src/qt/overviewpage.h b/src/qt/overviewpage.h index 65cd3341b6..ffe0de328c 100644 --- a/src/qt/overviewpage.h +++ b/src/qt/overviewpage.h @@ -8,6 +8,7 @@ #include "amount.h" #include <QWidget> +#include <memory> class ClientModel; class TransactionFilterProxy; @@ -56,7 +57,7 @@ private: CAmount currentWatchImmatureBalance; TxViewDelegate *txdelegate; - TransactionFilterProxy *filter; + std::unique_ptr<TransactionFilterProxy> filter; private Q_SLOTS: void updateDisplayUnit(); diff --git a/src/qt/paymentserver.cpp b/src/qt/paymentserver.cpp index 478f5ccf12..229752cad2 100644 --- a/src/qt/paymentserver.cpp +++ b/src/qt/paymentserver.cpp @@ -58,14 +58,19 @@ const char* BIP71_MIMETYPE_PAYMENTREQUEST = "application/bitcoin-paymentrequest" // BIP70 max payment request size in bytes (DoS protection) const qint64 BIP70_MAX_PAYMENTREQUEST_SIZE = 50000; -X509_STORE* PaymentServer::certStore = NULL; -void PaymentServer::freeCertStore() +struct X509StoreDeleter { + void operator()(X509_STORE* b) { + X509_STORE_free(b); + } +}; + +struct X509Deleter { + void operator()(X509* b) { X509_free(b); } +}; + +namespace // Anon namespace { - if (PaymentServer::certStore != NULL) - { - X509_STORE_free(PaymentServer::certStore); - PaymentServer::certStore = NULL; - } + std::unique_ptr<X509_STORE, X509StoreDeleter> certStore; } // @@ -107,20 +112,15 @@ static void ReportInvalidCertificate(const QSslCertificate& cert) // void PaymentServer::LoadRootCAs(X509_STORE* _store) { - if (PaymentServer::certStore == NULL) - atexit(PaymentServer::freeCertStore); - else - freeCertStore(); - // Unit tests mostly use this, to pass in fake root CAs: if (_store) { - PaymentServer::certStore = _store; + certStore.reset(_store); return; } // Normal execution, use either -rootcertificates or system certs: - PaymentServer::certStore = X509_STORE_new(); + certStore.reset(X509_STORE_new()); // Note: use "-system-" default here so that users can pass -rootcertificates="" // and get 'I don't like X.509 certificates, don't trust anybody' behavior: @@ -167,11 +167,11 @@ void PaymentServer::LoadRootCAs(X509_STORE* _store) QByteArray certData = cert.toDer(); const unsigned char *data = (const unsigned char *)certData.data(); - X509* x509 = d2i_X509(0, &data, certData.size()); - if (x509 && X509_STORE_add_cert(PaymentServer::certStore, x509)) + std::unique_ptr<X509, X509Deleter> x509(d2i_X509(0, &data, certData.size())); + if (x509 && X509_STORE_add_cert(certStore.get(), x509.get())) { - // Note: X509_STORE_free will free the X509* objects when - // the PaymentServer is destroyed + // Note: X509_STORE increases the reference count to the X509 object, + // we still have to release our reference to it. ++nRootCerts; } else @@ -550,7 +550,7 @@ bool PaymentServer::processPaymentRequest(const PaymentRequestPlus& request, Sen recipient.paymentRequest = request; recipient.message = GUIUtil::HtmlEscape(request.getDetails().memo()); - request.getMerchant(PaymentServer::certStore, recipient.authenticatedMerchant); + request.getMerchant(certStore.get(), recipient.authenticatedMerchant); QList<std::pair<CScript, CAmount> > sendingTos = request.getPayTo(); QStringList addresses; @@ -807,3 +807,8 @@ bool PaymentServer::verifyAmount(const CAmount& requestAmount) } return fVerified; } + +X509_STORE* PaymentServer::getCertStore() +{ + return certStore.get(); +} diff --git a/src/qt/paymentserver.h b/src/qt/paymentserver.h index 2d27ed078b..7202e7dada 100644 --- a/src/qt/paymentserver.h +++ b/src/qt/paymentserver.h @@ -83,7 +83,7 @@ public: static void LoadRootCAs(X509_STORE* store = NULL); // Return certificate store - static X509_STORE* getCertStore() { return certStore; } + static X509_STORE* getCertStore(); // OptionsModel is used for getting proxy settings and display unit void setOptionsModel(OptionsModel *optionsModel); @@ -140,9 +140,6 @@ private: bool saveURIs; // true during startup QLocalServer* uriServer; - static X509_STORE* certStore; // Trusted root certificates - static void freeCertStore(); - QNetworkAccessManager* netManager; // Used to fetch payment requests OptionsModel *optionsModel; diff --git a/src/qt/peertablemodel.cpp b/src/qt/peertablemodel.cpp index a2f9471fcc..c0b4900285 100644 --- a/src/qt/peertablemodel.cpp +++ b/src/qt/peertablemodel.cpp @@ -114,12 +114,12 @@ PeerTableModel::PeerTableModel(ClientModel *parent) : timer(0) { columns << tr("NodeId") << tr("Node/Service") << tr("User Agent") << tr("Ping"); - priv = new PeerTablePriv(); + priv.reset(new PeerTablePriv()); // default to unsorted priv->sortColumn = -1; // set up timer for auto refresh - timer = new QTimer(); + timer = new QTimer(this); connect(timer, SIGNAL(timeout()), SLOT(refresh())); timer->setInterval(MODEL_UPDATE_DELAY); @@ -127,6 +127,11 @@ PeerTableModel::PeerTableModel(ClientModel *parent) : refresh(); } +PeerTableModel::~PeerTableModel() +{ + // Intentionally left empty +} + void PeerTableModel::startAutoRefresh() { timer->start(); diff --git a/src/qt/peertablemodel.h b/src/qt/peertablemodel.h index a4f7bbdb3d..af34b147b1 100644 --- a/src/qt/peertablemodel.h +++ b/src/qt/peertablemodel.h @@ -46,6 +46,7 @@ class PeerTableModel : public QAbstractTableModel public: explicit PeerTableModel(ClientModel *parent = 0); + ~PeerTableModel(); const CNodeCombinedStats *getNodeStats(int idx); int getRowByNodeId(NodeId nodeid); void startAutoRefresh(); @@ -75,7 +76,7 @@ public Q_SLOTS: private: ClientModel *clientModel; QStringList columns; - PeerTablePriv *priv; + std::unique_ptr<PeerTablePriv> priv; QTimer *timer; }; diff --git a/src/qt/receivecoinsdialog.cpp b/src/qt/receivecoinsdialog.cpp index b50cad4975..dd83547a91 100644 --- a/src/qt/receivecoinsdialog.cpp +++ b/src/qt/receivecoinsdialog.cpp @@ -25,6 +25,7 @@ ReceiveCoinsDialog::ReceiveCoinsDialog(const PlatformStyle *_platformStyle, QWidget *parent) : QDialog(parent), ui(new Ui::ReceiveCoinsDialog), + columnResizingFixer(0), model(0), platformStyle(_platformStyle) { @@ -49,7 +50,7 @@ ReceiveCoinsDialog::ReceiveCoinsDialog(const PlatformStyle *_platformStyle, QWid QAction *copyAmountAction = new QAction(tr("Copy amount"), this); // context menu - contextMenu = new QMenu(); + contextMenu = new QMenu(this); contextMenu->addAction(copyURIAction); contextMenu->addAction(copyLabelAction); contextMenu->addAction(copyMessageAction); @@ -91,7 +92,7 @@ void ReceiveCoinsDialog::setModel(WalletModel *_model) SIGNAL(selectionChanged(QItemSelection, QItemSelection)), this, SLOT(recentRequestsView_selectionChanged(QItemSelection, QItemSelection))); // Last 2 columns are set by the columnResizingFixer, when the table geometry is ready. - columnResizingFixer = new GUIUtil::TableViewLastColumnResizingFixer(tableView, AMOUNT_MINIMUM_COLUMN_WIDTH, DATE_COLUMN_WIDTH); + columnResizingFixer = new GUIUtil::TableViewLastColumnResizingFixer(tableView, AMOUNT_MINIMUM_COLUMN_WIDTH, DATE_COLUMN_WIDTH, this); } } diff --git a/src/qt/receiverequestdialog.cpp b/src/qt/receiverequestdialog.cpp index 998c9176d7..f896461735 100644 --- a/src/qt/receiverequestdialog.cpp +++ b/src/qt/receiverequestdialog.cpp @@ -32,7 +32,7 @@ QRImageWidget::QRImageWidget(QWidget *parent): QLabel(parent), contextMenu(0) { - contextMenu = new QMenu(); + contextMenu = new QMenu(this); QAction *saveImageAction = new QAction(tr("&Save Image..."), this); connect(saveImageAction, SIGNAL(triggered()), this, SLOT(saveImage())); contextMenu->addAction(saveImageAction); diff --git a/src/qt/recentrequeststablemodel.cpp b/src/qt/recentrequeststablemodel.cpp index 2335d6b282..35d37bb22b 100644 --- a/src/qt/recentrequeststablemodel.cpp +++ b/src/qt/recentrequeststablemodel.cpp @@ -14,7 +14,7 @@ #include <boost/foreach.hpp> RecentRequestsTableModel::RecentRequestsTableModel(CWallet *wallet, WalletModel *parent) : - walletModel(parent) + QAbstractTableModel(parent), walletModel(parent) { Q_UNUSED(wallet); nReceiveRequestsMaxId = 0; diff --git a/src/qt/rpcconsole.cpp b/src/qt/rpcconsole.cpp index 47af6a5724..520d229901 100644 --- a/src/qt/rpcconsole.cpp +++ b/src/qt/rpcconsole.cpp @@ -382,7 +382,6 @@ RPCConsole::RPCConsole(const PlatformStyle *_platformStyle, QWidget *parent) : // based timer interface RPCSetTimerInterfaceIfUnset(rpcTimerInterface); - startExecutor(); setTrafficGraphRange(INITIAL_TRAFFIC_GRAPH_MINS); ui->detailWidget->hide(); @@ -396,7 +395,6 @@ RPCConsole::RPCConsole(const PlatformStyle *_platformStyle, QWidget *parent) : RPCConsole::~RPCConsole() { GUIUtil::saveWindowGeometry("nRPCConsoleWindow", this); - Q_EMIT stopExecutor(); RPCUnsetTimerInterface(rpcTimerInterface); delete rpcTimerInterface; delete ui; @@ -486,7 +484,7 @@ void RPCConsole::setClientModel(ClientModel *model) QAction* banAction365d = new QAction(tr("Ban for") + " " + tr("1 &year"), this); // create peer table context menu - peersTableContextMenu = new QMenu(); + peersTableContextMenu = new QMenu(this); peersTableContextMenu->addAction(disconnectAction); peersTableContextMenu->addAction(banAction1h); peersTableContextMenu->addAction(banAction24h); @@ -534,7 +532,7 @@ void RPCConsole::setClientModel(ClientModel *model) QAction* unbanAction = new QAction(tr("&Unban"), this); // create ban table context menu - banTableContextMenu = new QMenu(); + banTableContextMenu = new QMenu(this); banTableContextMenu->addAction(unbanAction); // ban table context menu signals @@ -565,6 +563,14 @@ void RPCConsole::setClientModel(ClientModel *model) autoCompleter = new QCompleter(wordList, this); ui->lineEdit->setCompleter(autoCompleter); autoCompleter->popup()->installEventFilter(this); + // Start thread to execute RPC commands. + startExecutor(); + } + if (!model) { + // Client model is being set to 0, this means shutdown() is about to be called. + // Make sure we clean up the executor thread + Q_EMIT stopExecutor(); + thread.wait(); } } @@ -759,9 +765,8 @@ void RPCConsole::browseHistory(int offset) void RPCConsole::startExecutor() { - QThread *thread = new QThread; RPCExecutor *executor = new RPCExecutor(); - executor->moveToThread(thread); + executor->moveToThread(&thread); // Replies from executor object must go to this object connect(executor, SIGNAL(reply(int,QString)), this, SLOT(message(int,QString))); @@ -769,16 +774,15 @@ void RPCConsole::startExecutor() connect(this, SIGNAL(cmdRequest(QString)), executor, SLOT(request(QString))); // On stopExecutor signal - // - queue executor for deletion (in execution thread) // - quit the Qt event loop in the execution thread - connect(this, SIGNAL(stopExecutor()), executor, SLOT(deleteLater())); - connect(this, SIGNAL(stopExecutor()), thread, SLOT(quit())); - // Queue the thread for deletion (in this thread) when it is finished - connect(thread, SIGNAL(finished()), thread, SLOT(deleteLater())); + connect(this, SIGNAL(stopExecutor()), &thread, SLOT(quit())); + // - queue executor for deletion (in execution thread) + connect(&thread, SIGNAL(finished()), executor, SLOT(deleteLater()), Qt::DirectConnection); + connect(&thread, SIGNAL(finished()), this, SLOT(test()), Qt::DirectConnection); // Default implementation of QThread::run() simply spins up an event loop in the thread, // which is what we want. - thread->start(); + thread.start(); } void RPCConsole::on_tabWidget_currentChanged(int index) diff --git a/src/qt/rpcconsole.h b/src/qt/rpcconsole.h index 8c20379a8c..344d5ecb98 100644 --- a/src/qt/rpcconsole.h +++ b/src/qt/rpcconsole.h @@ -12,6 +12,7 @@ #include <QWidget> #include <QCompleter> +#include <QThread> class ClientModel; class PlatformStyle; @@ -148,6 +149,7 @@ private: QMenu *banTableContextMenu; int consoleFontSize; QCompleter *autoCompleter; + QThread thread; /** Update UI with latest network info from model. */ void updateNetworkState(); diff --git a/src/qt/splashscreen.cpp b/src/qt/splashscreen.cpp index cd27385653..1b6e28e93e 100644 --- a/src/qt/splashscreen.cpp +++ b/src/qt/splashscreen.cpp @@ -147,6 +147,7 @@ void SplashScreen::slotFinish(QWidget *mainWin) if (isMinimized()) showNormal(); hide(); + deleteLater(); // No more need for this } static void InitMessage(SplashScreen *splash, const std::string &message) diff --git a/src/qt/transactionview.cpp b/src/qt/transactionview.cpp index 856b16d2c4..f5cbde6238 100644 --- a/src/qt/transactionview.cpp +++ b/src/qt/transactionview.cpp @@ -37,7 +37,7 @@ TransactionView::TransactionView(const PlatformStyle *platformStyle, QWidget *parent) : QWidget(parent), model(0), transactionProxyModel(0), - transactionView(0), abandonAction(0) + transactionView(0), abandonAction(0), columnResizingFixer(0) { // Build filter row setContentsMargins(0,0,0,0); @@ -147,7 +147,7 @@ TransactionView::TransactionView(const PlatformStyle *platformStyle, QWidget *pa QAction *editLabelAction = new QAction(tr("Edit label"), this); QAction *showDetailsAction = new QAction(tr("Show transaction details"), this); - contextMenu = new QMenu(); + contextMenu = new QMenu(this); contextMenu->addAction(copyAddressAction); contextMenu->addAction(copyLabelAction); contextMenu->addAction(copyAmountAction); @@ -212,7 +212,7 @@ void TransactionView::setModel(WalletModel *_model) transactionView->setColumnWidth(TransactionTableModel::Type, TYPE_COLUMN_WIDTH); transactionView->setColumnWidth(TransactionTableModel::Amount, AMOUNT_MINIMUM_COLUMN_WIDTH); - columnResizingFixer = new GUIUtil::TableViewLastColumnResizingFixer(transactionView, AMOUNT_MINIMUM_COLUMN_WIDTH, MINIMUM_COLUMN_WIDTH); + columnResizingFixer = new GUIUtil::TableViewLastColumnResizingFixer(transactionView, AMOUNT_MINIMUM_COLUMN_WIDTH, MINIMUM_COLUMN_WIDTH, this); if (_model->getOptionsModel()) { diff --git a/src/qt/utilitydialog.cpp b/src/qt/utilitydialog.cpp index 947bcdb15a..4ec022881c 100644 --- a/src/qt/utilitydialog.cpp +++ b/src/qt/utilitydialog.cpp @@ -171,22 +171,20 @@ ShutdownWindow::ShutdownWindow(QWidget *parent, Qt::WindowFlags f): setLayout(layout); } -void ShutdownWindow::showShutdownWindow(BitcoinGUI *window) +QWidget *ShutdownWindow::showShutdownWindow(BitcoinGUI *window) { if (!window) - return; + return nullptr; // Show a simple window indicating shutdown status QWidget *shutdownWindow = new ShutdownWindow(); - // We don't hold a direct pointer to the shutdown window after creation, so use - // Qt::WA_DeleteOnClose to make sure that the window will be deleted eventually. - shutdownWindow->setAttribute(Qt::WA_DeleteOnClose); shutdownWindow->setWindowTitle(window->windowTitle()); // Center shutdown window at where main window was const QPoint global = window->mapToGlobal(window->rect().center()); shutdownWindow->move(global.x() - shutdownWindow->width() / 2, global.y() - shutdownWindow->height() / 2); shutdownWindow->show(); + return shutdownWindow; } void ShutdownWindow::closeEvent(QCloseEvent *event) diff --git a/src/qt/utilitydialog.h b/src/qt/utilitydialog.h index 843bd7f67b..b930429578 100644 --- a/src/qt/utilitydialog.h +++ b/src/qt/utilitydialog.h @@ -43,7 +43,7 @@ class ShutdownWindow : public QWidget public: ShutdownWindow(QWidget *parent=0, Qt::WindowFlags f=0); - static void showShutdownWindow(BitcoinGUI *window); + static QWidget *showShutdownWindow(BitcoinGUI *window); protected: void closeEvent(QCloseEvent *event); |