From 47db07537746940ee7dd0739a8c73e328837813f Mon Sep 17 00:00:00 2001 From: "Wladimir J. van der Laan" Date: Fri, 18 Nov 2016 15:47:20 +0100 Subject: [PATCH] qt: Plug many memory leaks None of these are very serious, and are leaks in objects that are created at most one time. In most cases this means properly using the QObject parent hierarchy, except for BanTablePriv/PeerTablePriv which are not QObject, so use a std::unique_ptr instead. --- src/qt/addressbookpage.cpp | 2 +- src/qt/bantablemodel.cpp | 7 ++++++- src/qt/bantablemodel.h | 3 ++- src/qt/bitcoingui.cpp | 2 +- src/qt/coincontroldialog.cpp | 2 +- src/qt/guiutil.cpp | 3 ++- src/qt/guiutil.h | 2 +- src/qt/overviewpage.cpp | 11 +++++------ src/qt/overviewpage.h | 3 ++- src/qt/peertablemodel.cpp | 9 +++++++-- src/qt/peertablemodel.h | 3 ++- src/qt/receivecoinsdialog.cpp | 5 +++-- src/qt/receiverequestdialog.cpp | 2 +- src/qt/recentrequeststablemodel.cpp | 2 +- src/qt/rpcconsole.cpp | 4 ++-- src/qt/transactionview.cpp | 6 +++--- 16 files changed, 40 insertions(+), 26 deletions(-) diff --git a/src/qt/addressbookpage.cpp b/src/qt/addressbookpage.cpp index 58cf4dede..6076837fd 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 6e11e2390..fe53d89ba 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 fe9600ac0..3c03d05c0 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 priv; }; #endif // BITCOIN_QT_BANTABLEMODEL_H diff --git a/src/qt/bitcoingui.cpp b/src/qt/bitcoingui.cpp index b2c9a704e..4d78fd13c 100644 --- a/src/qt/bitcoingui.cpp +++ b/src/qt/bitcoingui.cpp @@ -1185,7 +1185,7 @@ 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); diff --git a/src/qt/coincontroldialog.cpp b/src/qt/coincontroldialog.cpp index 1a1671f0e..20c8fc845 100644 --- a/src/qt/coincontroldialog.cpp +++ b/src/qt/coincontroldialog.cpp @@ -52,7 +52,7 @@ 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 9dc75c2e1..130cfc6e7 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 64cbd51eb..8f1f3fbb2 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 7ccdb89c0..ea1bb2fc9 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 65cd3341b..ffe0de328 100644 --- a/src/qt/overviewpage.h +++ b/src/qt/overviewpage.h @@ -8,6 +8,7 @@ #include "amount.h" #include +#include class ClientModel; class TransactionFilterProxy; @@ -56,7 +57,7 @@ private: CAmount currentWatchImmatureBalance; TxViewDelegate *txdelegate; - TransactionFilterProxy *filter; + std::unique_ptr filter; private Q_SLOTS: void updateDisplayUnit(); diff --git a/src/qt/peertablemodel.cpp b/src/qt/peertablemodel.cpp index a2f9471fc..c0b490028 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 a4f7bbdb3..af34b147b 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 priv; QTimer *timer; }; diff --git a/src/qt/receivecoinsdialog.cpp b/src/qt/receivecoinsdialog.cpp index b50cad497..dd83547a9 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 998c9176d..f89646173 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 2335d6b28..35d37bb22 100644 --- a/src/qt/recentrequeststablemodel.cpp +++ b/src/qt/recentrequeststablemodel.cpp @@ -14,7 +14,7 @@ #include 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 47af6a572..7f5bb29f1 100644 --- a/src/qt/rpcconsole.cpp +++ b/src/qt/rpcconsole.cpp @@ -486,7 +486,7 @@ 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 +534,7 @@ 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 diff --git a/src/qt/transactionview.cpp b/src/qt/transactionview.cpp index 856b16d2c..f5cbde623 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()) {