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bitcoin-bitcoin-core/src/qt/sendcoinsdialog.cpp
Wladimir J. van der Laan 6c98cca9e4 qt: use deleteLater to remove send entries
Use deleteLater() instead of delete, as it is not allowed
to delete widgets directly in an event handler.
Should solve the MacOSX random crashes on send with coincontrol.
2013-12-04 08:17:57 +01:00

622 lines
21 KiB
C++

// Copyright (c) 2011-2013 The Bitcoin developers
// Distributed under the MIT/X11 software license, see the accompanying
// file COPYING or http://www.opensource.org/licenses/mit-license.php.
#include "sendcoinsdialog.h"
#include "ui_sendcoinsdialog.h"
#include "addresstablemodel.h"
#include "bitcoinunits.h"
#include "coincontroldialog.h"
#include "guiutil.h"
#include "optionsmodel.h"
#include "sendcoinsentry.h"
#include "walletmodel.h"
#include "base58.h"
#include "coincontrol.h"
#include "ui_interface.h"
#include <QMessageBox>
#include <QScrollBar>
#include <QTextDocument>
SendCoinsDialog::SendCoinsDialog(QWidget *parent) :
QDialog(parent),
ui(new Ui::SendCoinsDialog),
model(0)
{
ui->setupUi(this);
#ifdef Q_OS_MAC // Icons on push buttons are very uncommon on Mac
ui->addButton->setIcon(QIcon());
ui->clearButton->setIcon(QIcon());
ui->sendButton->setIcon(QIcon());
#endif
#if QT_VERSION >= 0x040700
ui->lineEditCoinControlChange->setPlaceholderText(tr("Enter a Bitcoin address (e.g. 1NS17iag9jJgTHD1VXjvLCEnZuQ3rJDE9L)"));
#endif
addEntry();
connect(ui->addButton, SIGNAL(clicked()), this, SLOT(addEntry()));
connect(ui->clearButton, SIGNAL(clicked()), this, SLOT(clear()));
// Coin Control
ui->lineEditCoinControlChange->setFont(GUIUtil::bitcoinAddressFont());
connect(ui->pushButtonCoinControl, SIGNAL(clicked()), this, SLOT(coinControlButtonClicked()));
connect(ui->checkBoxCoinControlChange, SIGNAL(stateChanged(int)), this, SLOT(coinControlChangeChecked(int)));
connect(ui->lineEditCoinControlChange, SIGNAL(textEdited(const QString &)), this, SLOT(coinControlChangeEdited(const QString &)));
// Coin Control: clipboard actions
QAction *clipboardQuantityAction = new QAction(tr("Copy quantity"), this);
QAction *clipboardAmountAction = new QAction(tr("Copy amount"), this);
QAction *clipboardFeeAction = new QAction(tr("Copy fee"), this);
QAction *clipboardAfterFeeAction = new QAction(tr("Copy after fee"), this);
QAction *clipboardBytesAction = new QAction(tr("Copy bytes"), this);
QAction *clipboardPriorityAction = new QAction(tr("Copy priority"), this);
QAction *clipboardLowOutputAction = new QAction(tr("Copy low output"), this);
QAction *clipboardChangeAction = new QAction(tr("Copy change"), this);
connect(clipboardQuantityAction, SIGNAL(triggered()), this, SLOT(coinControlClipboardQuantity()));
connect(clipboardAmountAction, SIGNAL(triggered()), this, SLOT(coinControlClipboardAmount()));
connect(clipboardFeeAction, SIGNAL(triggered()), this, SLOT(coinControlClipboardFee()));
connect(clipboardAfterFeeAction, SIGNAL(triggered()), this, SLOT(coinControlClipboardAfterFee()));
connect(clipboardBytesAction, SIGNAL(triggered()), this, SLOT(coinControlClipboardBytes()));
connect(clipboardPriorityAction, SIGNAL(triggered()), this, SLOT(coinControlClipboardPriority()));
connect(clipboardLowOutputAction, SIGNAL(triggered()), this, SLOT(coinControlClipboardLowOutput()));
connect(clipboardChangeAction, SIGNAL(triggered()), this, SLOT(coinControlClipboardChange()));
ui->labelCoinControlQuantity->addAction(clipboardQuantityAction);
ui->labelCoinControlAmount->addAction(clipboardAmountAction);
ui->labelCoinControlFee->addAction(clipboardFeeAction);
ui->labelCoinControlAfterFee->addAction(clipboardAfterFeeAction);
ui->labelCoinControlBytes->addAction(clipboardBytesAction);
ui->labelCoinControlPriority->addAction(clipboardPriorityAction);
ui->labelCoinControlLowOutput->addAction(clipboardLowOutputAction);
ui->labelCoinControlChange->addAction(clipboardChangeAction);
fNewRecipientAllowed = true;
}
void SendCoinsDialog::setModel(WalletModel *model)
{
this->model = model;
if(model && model->getOptionsModel())
{
for(int i = 0; i < ui->entries->count(); ++i)
{
SendCoinsEntry *entry = qobject_cast<SendCoinsEntry*>(ui->entries->itemAt(i)->widget());
if(entry)
{
entry->setModel(model);
}
}
setBalance(model->getBalance(), model->getUnconfirmedBalance(), model->getImmatureBalance());
connect(model, SIGNAL(balanceChanged(qint64, qint64, qint64)), this, SLOT(setBalance(qint64, qint64, qint64)));
connect(model->getOptionsModel(), SIGNAL(displayUnitChanged(int)), this, SLOT(updateDisplayUnit()));
// Coin Control
connect(model->getOptionsModel(), SIGNAL(displayUnitChanged(int)), this, SLOT(coinControlUpdateLabels()));
connect(model->getOptionsModel(), SIGNAL(coinControlFeaturesChanged(bool)), this, SLOT(coinControlFeatureChanged(bool)));
connect(model->getOptionsModel(), SIGNAL(transactionFeeChanged(qint64)), this, SLOT(coinControlUpdateLabels()));
ui->frameCoinControl->setVisible(model->getOptionsModel()->getCoinControlFeatures());
coinControlUpdateLabels();
}
}
SendCoinsDialog::~SendCoinsDialog()
{
delete ui;
}
void SendCoinsDialog::on_sendButton_clicked()
{
if(!model || !model->getOptionsModel())
return;
QList<SendCoinsRecipient> recipients;
bool valid = true;
for(int i = 0; i < ui->entries->count(); ++i)
{
SendCoinsEntry *entry = qobject_cast<SendCoinsEntry*>(ui->entries->itemAt(i)->widget());
if(entry)
{
if(entry->validate())
{
recipients.append(entry->getValue());
}
else
{
valid = false;
}
}
}
if(!valid || recipients.isEmpty())
{
return;
}
// Format confirmation message
QStringList formatted;
foreach(const SendCoinsRecipient &rcp, recipients)
{
// generate bold amount string
QString amount = "<b>" + BitcoinUnits::formatWithUnit(model->getOptionsModel()->getDisplayUnit(), rcp.amount);
amount.append("</b>");
// generate monospace address string
QString address = "<span style='font-family: monospace;'>" + rcp.address;
address.append("</span>");
QString recipientElement;
if (!rcp.paymentRequest.IsInitialized()) // normal payment
{
if(rcp.label.length() > 0) // label with address
{
recipientElement = tr("%1 to %2").arg(amount, GUIUtil::HtmlEscape(rcp.label));
recipientElement.append(QString(" (%1)").arg(address));
}
else // just address
{
recipientElement = tr("%1 to %2").arg(amount, address);
}
}
else if(!rcp.authenticatedMerchant.isEmpty()) // secure payment request
{
recipientElement = tr("%1 to %2").arg(amount, GUIUtil::HtmlEscape(rcp.authenticatedMerchant));
}
else // insecure payment request
{
recipientElement = tr("%1 to %2").arg(amount, address);
}
formatted.append(recipientElement);
}
fNewRecipientAllowed = false;
WalletModel::UnlockContext ctx(model->requestUnlock());
if(!ctx.isValid())
{
// Unlock wallet was cancelled
fNewRecipientAllowed = true;
return;
}
// prepare transaction for getting txFee earlier
WalletModelTransaction currentTransaction(recipients);
WalletModel::SendCoinsReturn prepareStatus;
if (model->getOptionsModel()->getCoinControlFeatures()) // coin control enabled
prepareStatus = model->prepareTransaction(currentTransaction, CoinControlDialog::coinControl);
else
prepareStatus = model->prepareTransaction(currentTransaction);
// process prepareStatus and on error generate message shown to user
processSendCoinsReturn(prepareStatus,
BitcoinUnits::formatWithUnit(model->getOptionsModel()->getDisplayUnit(), currentTransaction.getTransactionFee()));
if(prepareStatus.status != WalletModel::OK) {
fNewRecipientAllowed = true;
return;
}
qint64 txFee = currentTransaction.getTransactionFee();
QString questionString = tr("Are you sure you want to send?");
questionString.append("<br /><br />%1");
if(txFee > 0)
{
// append fee string if a fee is required
questionString.append("<hr /><span style='color:#aa0000;'>");
questionString.append(BitcoinUnits::formatWithUnit(model->getOptionsModel()->getDisplayUnit(), txFee));
questionString.append("</span> ");
questionString.append(tr("added as transaction fee"));
}
// add total amount in all subdivision units
questionString.append("<hr />");
qint64 totalAmount = currentTransaction.getTotalTransactionAmount() + txFee;
QStringList alternativeUnits;
foreach(BitcoinUnits::Unit u, BitcoinUnits::availableUnits())
{
if(u != model->getOptionsModel()->getDisplayUnit())
alternativeUnits.append(BitcoinUnits::formatWithUnit(u, totalAmount));
}
questionString.append(tr("Total Amount %1 (= %2)")
.arg(BitcoinUnits::formatWithUnit(model->getOptionsModel()->getDisplayUnit(), totalAmount))
.arg(alternativeUnits.join(" " + tr("or") + " ")));
QMessageBox::StandardButton retval = QMessageBox::question(this, tr("Confirm send coins"),
questionString.arg(formatted.join("<br />")),
QMessageBox::Yes | QMessageBox::Cancel,
QMessageBox::Cancel);
if(retval != QMessageBox::Yes)
{
fNewRecipientAllowed = true;
return;
}
// now send the prepared transaction
WalletModel::SendCoinsReturn sendStatus = model->sendCoins(currentTransaction);
// process sendStatus and on error generate message shown to user
processSendCoinsReturn(sendStatus);
if (sendStatus.status == WalletModel::OK)
{
accept();
CoinControlDialog::coinControl->UnSelectAll();
coinControlUpdateLabels();
}
fNewRecipientAllowed = true;
}
void SendCoinsDialog::clear()
{
// Remove entries until only one left
while(ui->entries->count())
{
ui->entries->takeAt(0)->widget()->deleteLater();
}
addEntry();
updateTabsAndLabels();
}
void SendCoinsDialog::reject()
{
clear();
}
void SendCoinsDialog::accept()
{
clear();
}
SendCoinsEntry *SendCoinsDialog::addEntry()
{
SendCoinsEntry *entry = new SendCoinsEntry(this);
entry->setModel(model);
ui->entries->addWidget(entry);
connect(entry, SIGNAL(removeEntry(SendCoinsEntry*)), this, SLOT(removeEntry(SendCoinsEntry*)));
connect(entry, SIGNAL(payAmountChanged()), this, SLOT(coinControlUpdateLabels()));
updateTabsAndLabels();
// Focus the field, so that entry can start immediately
entry->clear();
entry->setFocus();
ui->scrollAreaWidgetContents->resize(ui->scrollAreaWidgetContents->sizeHint());
qApp->processEvents();
QScrollBar* bar = ui->scrollArea->verticalScrollBar();
if(bar)
bar->setSliderPosition(bar->maximum());
return entry;
}
void SendCoinsDialog::updateTabsAndLabels()
{
setupTabChain(0);
coinControlUpdateLabels();
}
void SendCoinsDialog::removeEntry(SendCoinsEntry* entry)
{
entry->deleteLater();
// If the last entry was removed add an empty one
if (!ui->entries->count())
addEntry();
updateTabsAndLabels();
}
QWidget *SendCoinsDialog::setupTabChain(QWidget *prev)
{
for(int i = 0; i < ui->entries->count(); ++i)
{
SendCoinsEntry *entry = qobject_cast<SendCoinsEntry*>(ui->entries->itemAt(i)->widget());
if(entry)
{
prev = entry->setupTabChain(prev);
}
}
QWidget::setTabOrder(prev, ui->addButton);
QWidget::setTabOrder(ui->addButton, ui->sendButton);
return ui->sendButton;
}
void SendCoinsDialog::setAddress(const QString &address)
{
SendCoinsEntry *entry = 0;
// Replace the first entry if it is still unused
if(ui->entries->count() == 1)
{
SendCoinsEntry *first = qobject_cast<SendCoinsEntry*>(ui->entries->itemAt(0)->widget());
if(first->isClear())
{
entry = first;
}
}
if(!entry)
{
entry = addEntry();
}
entry->setAddress(address);
}
void SendCoinsDialog::pasteEntry(const SendCoinsRecipient &rv)
{
if(!fNewRecipientAllowed)
return;
SendCoinsEntry *entry = 0;
// Replace the first entry if it is still unused
if(ui->entries->count() == 1)
{
SendCoinsEntry *first = qobject_cast<SendCoinsEntry*>(ui->entries->itemAt(0)->widget());
if(first->isClear())
{
entry = first;
}
}
if(!entry)
{
entry = addEntry();
}
entry->setValue(rv);
updateTabsAndLabels();
}
bool SendCoinsDialog::handlePaymentRequest(const SendCoinsRecipient &rv)
{
QString strSendCoins = tr("Send Coins");
if (rv.paymentRequest.IsInitialized()) {
// Expired payment request?
const payments::PaymentDetails& details = rv.paymentRequest.getDetails();
if (details.has_expires() && (int64_t)details.expires() < GetTime())
{
emit message(strSendCoins, tr("Payment request expired"),
CClientUIInterface::MSG_WARNING);
return false;
}
}
else {
CBitcoinAddress address(rv.address.toStdString());
if (!address.IsValid()) {
emit message(strSendCoins, tr("Invalid payment address %1").arg(rv.address),
CClientUIInterface::MSG_WARNING);
return false;
}
}
pasteEntry(rv);
return true;
}
void SendCoinsDialog::setBalance(qint64 balance, qint64 unconfirmedBalance, qint64 immatureBalance)
{
Q_UNUSED(unconfirmedBalance);
Q_UNUSED(immatureBalance);
if(model && model->getOptionsModel())
{
ui->labelBalance->setText(BitcoinUnits::formatWithUnit(model->getOptionsModel()->getDisplayUnit(), balance));
}
}
void SendCoinsDialog::updateDisplayUnit()
{
setBalance(model->getBalance(), 0, 0);
}
void SendCoinsDialog::processSendCoinsReturn(const WalletModel::SendCoinsReturn &sendCoinsReturn, const QString &msgArg)
{
QPair<QString, CClientUIInterface::MessageBoxFlags> msgParams;
// Default to a warning message, override if error message is needed
msgParams.second = CClientUIInterface::MSG_WARNING;
// This comment is specific to SendCoinsDialog usage of WalletModel::SendCoinsReturn.
// WalletModel::TransactionCommitFailed is used only in WalletModel::sendCoins()
// all others are used only in WalletModel::prepareTransaction()
switch(sendCoinsReturn.status)
{
case WalletModel::InvalidAddress:
msgParams.first = tr("The recipient address is not valid, please recheck.");
break;
case WalletModel::InvalidAmount:
msgParams.first = tr("The amount to pay must be larger than 0.");
break;
case WalletModel::AmountExceedsBalance:
msgParams.first = tr("The amount exceeds your balance.");
break;
case WalletModel::AmountWithFeeExceedsBalance:
msgParams.first = tr("The total exceeds your balance when the %1 transaction fee is included.").arg(msgArg);
break;
case WalletModel::DuplicateAddress:
msgParams.first = tr("Duplicate address found, can only send to each address once per send operation.");
break;
case WalletModel::TransactionCreationFailed:
msgParams.first = tr("Transaction creation failed!");
msgParams.second = CClientUIInterface::MSG_ERROR;
break;
case WalletModel::TransactionCommitFailed:
msgParams.first = tr("The transaction was rejected! This might happen if some of the coins in your wallet were already spent, such as if you used a copy of wallet.dat and coins were spent in the copy but not marked as spent here.");
msgParams.second = CClientUIInterface::MSG_ERROR;
break;
// OK and Aborted are included to prevent a compiler warning.
case WalletModel::OK:
case WalletModel::Aborted:
default:
return;
}
emit message(tr("Send Coins"), msgParams.first, msgParams.second);
}
// Coin Control: copy label "Quantity" to clipboard
void SendCoinsDialog::coinControlClipboardQuantity()
{
GUIUtil::setClipboard(ui->labelCoinControlQuantity->text());
}
// Coin Control: copy label "Amount" to clipboard
void SendCoinsDialog::coinControlClipboardAmount()
{
GUIUtil::setClipboard(ui->labelCoinControlAmount->text().left(ui->labelCoinControlAmount->text().indexOf(" ")));
}
// Coin Control: copy label "Fee" to clipboard
void SendCoinsDialog::coinControlClipboardFee()
{
GUIUtil::setClipboard(ui->labelCoinControlFee->text().left(ui->labelCoinControlFee->text().indexOf(" ")));
}
// Coin Control: copy label "After fee" to clipboard
void SendCoinsDialog::coinControlClipboardAfterFee()
{
GUIUtil::setClipboard(ui->labelCoinControlAfterFee->text().left(ui->labelCoinControlAfterFee->text().indexOf(" ")));
}
// Coin Control: copy label "Bytes" to clipboard
void SendCoinsDialog::coinControlClipboardBytes()
{
GUIUtil::setClipboard(ui->labelCoinControlBytes->text());
}
// Coin Control: copy label "Priority" to clipboard
void SendCoinsDialog::coinControlClipboardPriority()
{
GUIUtil::setClipboard(ui->labelCoinControlPriority->text());
}
// Coin Control: copy label "Low output" to clipboard
void SendCoinsDialog::coinControlClipboardLowOutput()
{
GUIUtil::setClipboard(ui->labelCoinControlLowOutput->text());
}
// Coin Control: copy label "Change" to clipboard
void SendCoinsDialog::coinControlClipboardChange()
{
GUIUtil::setClipboard(ui->labelCoinControlChange->text().left(ui->labelCoinControlChange->text().indexOf(" ")));
}
// Coin Control: settings menu - coin control enabled/disabled by user
void SendCoinsDialog::coinControlFeatureChanged(bool checked)
{
ui->frameCoinControl->setVisible(checked);
if (!checked && model) // coin control features disabled
CoinControlDialog::coinControl->SetNull();
}
// Coin Control: button inputs -> show actual coin control dialog
void SendCoinsDialog::coinControlButtonClicked()
{
CoinControlDialog dlg;
dlg.setModel(model);
dlg.exec();
coinControlUpdateLabels();
}
// Coin Control: checkbox custom change address
void SendCoinsDialog::coinControlChangeChecked(int state)
{
if (state == Qt::Unchecked)
{
CoinControlDialog::coinControl->destChange = CNoDestination();
ui->lineEditCoinControlChange->setValid(true);
ui->labelCoinControlChangeLabel->clear();
}
else
// use this to re-validate an already entered address
coinControlChangeEdited(ui->lineEditCoinControlChange->text());
ui->lineEditCoinControlChange->setEnabled((state == Qt::Checked));
}
// Coin Control: custom change address changed
void SendCoinsDialog::coinControlChangeEdited(const QString & text)
{
if (model)
{
CoinControlDialog::coinControl->destChange = CBitcoinAddress(text.toStdString()).Get();
// label for the change address
ui->labelCoinControlChangeLabel->setStyleSheet("QLabel{color:black;}");
if (text.isEmpty())
ui->labelCoinControlChangeLabel->setText("");
else if (!CBitcoinAddress(text.toStdString()).IsValid())
{
// invalid change address
CoinControlDialog::coinControl->destChange = CNoDestination();
ui->lineEditCoinControlChange->setValid(false);
ui->labelCoinControlChangeLabel->setStyleSheet("QLabel{color:red;}");
ui->labelCoinControlChangeLabel->setText(tr("Warning: Invalid Bitcoin address"));
}
else
{
QString associatedLabel = model->getAddressTableModel()->labelForAddress(text);
if (!associatedLabel.isEmpty())
ui->labelCoinControlChangeLabel->setText(associatedLabel);
else
{
CPubKey pubkey;
CKeyID keyid;
CBitcoinAddress(text.toStdString()).GetKeyID(keyid);
if (model->getPubKey(keyid, pubkey))
ui->labelCoinControlChangeLabel->setText(tr("(no label)"));
else
{
// unknown change address
CoinControlDialog::coinControl->destChange = CNoDestination();
ui->lineEditCoinControlChange->setValid(false);
ui->labelCoinControlChangeLabel->setStyleSheet("QLabel{color:red;}");
ui->labelCoinControlChangeLabel->setText(tr("Warning: Unknown change address"));
}
}
}
}
}
// Coin Control: update labels
void SendCoinsDialog::coinControlUpdateLabels()
{
if (!model || !model->getOptionsModel() || !model->getOptionsModel()->getCoinControlFeatures())
return;
// set pay amounts
CoinControlDialog::payAmounts.clear();
for(int i = 0; i < ui->entries->count(); ++i)
{
SendCoinsEntry *entry = qobject_cast<SendCoinsEntry*>(ui->entries->itemAt(i)->widget());
if(entry)
CoinControlDialog::payAmounts.append(entry->getValue().amount);
}
if (CoinControlDialog::coinControl->HasSelected())
{
// actual coin control calculation
CoinControlDialog::updateLabels(model, this);
// show coin control stats
ui->labelCoinControlAutomaticallySelected->hide();
ui->widgetCoinControl->show();
}
else
{
// hide coin control stats
ui->labelCoinControlAutomaticallySelected->show();
ui->widgetCoinControl->hide();
ui->labelCoinControlInsuffFunds->hide();
}
}