src/qt/sendcoinsdialog.cpp

   1 #include "sendcoinsdialog.h"
   2 #include "ui_sendcoinsdialog.h"
   3
   4 #include "init.h"
   5 #include "walletmodel.h"
   6 #include "addresstablemodel.h"
   7 #include "addressbookpage.h"
   8
   9 #include "bitcoinunits.h"
  10 #include "addressbookpage.h"
  11 #include "optionsmodel.h"
  12 #include "sendcoinsentry.h"
  13 #include "guiutil.h"
  14 #include "askpassphrasedialog.h"
  15
  16 #include "coincontrol.h"
  17 #include "coincontroldialog.h"
  18
  19 #include <QMessageBox>
  20 #include <QLocale>
  21 #include <QTextDocument>
  22 #include <QScrollBar>
  23 #include <QClipboard>
  24
  25 SendCoinsDialog::SendCoinsDialog(QWidget *parent) :
  26     QDialog(parent),
  27     ui(new Ui::SendCoinsDialog),
  28     model(0)
  29 {
  30     ui->setupUi(this);
  31
  32 #ifdef Q_OS_MAC // Icons on push buttons are very uncommon on Mac
  33     ui->addButton->setIcon(QIcon());
  34     ui->clearButton->setIcon(QIcon());
  35     ui->sendButton->setIcon(QIcon());
  36 #endif
  37
  38 #if QT_VERSION >= 0x040700
  39     /* Do not move this to the XML file, Qt before 4.7 will choke on it */
  40     ui->lineEditCoinControlChange->setPlaceholderText(tr("Enter a NovaCoin address (e.g. 4Zo1ga6xuKuQ7JV7M9rGDoxdbYwV5zgQJ5)"));
  41 #endif
  42
  43     addEntry();
  44
  45     connect(ui->addButton, SIGNAL(clicked()), this, SLOT(addEntry()));
  46     connect(ui->clearButton, SIGNAL(clicked()), this, SLOT(clear()));
  47
  48     // Coin Control
  49     ui->lineEditCoinControlChange->setFont(GUIUtil::bitcoinAddressFont());
  50     connect(ui->pushButtonCoinControl, SIGNAL(clicked()), this, SLOT(coinControlButtonClicked()));
  51     connect(ui->checkBoxCoinControlChange, SIGNAL(stateChanged(int)), this, SLOT(coinControlChangeChecked(int)));
  52
  53     // Coin Control: clipboard actions
  54     QAction *clipboardQuantityAction = new QAction(tr("Copy quantity"), this);
  55     QAction *clipboardAmountAction = new QAction(tr("Copy amount"), this);
  56     QAction *clipboardFeeAction = new QAction(tr("Copy fee"), this);
  57     QAction *clipboardAfterFeeAction = new QAction(tr("Copy after fee"), this);
  58     QAction *clipboardBytesAction = new QAction(tr("Copy bytes"), this);
  59     QAction *clipboardPriorityAction = new QAction(tr("Copy priority"), this);
  60     QAction *clipboardLowOutputAction = new QAction(tr("Copy low output"), this);
  61     QAction *clipboardChangeAction = new QAction(tr("Copy change"), this);
  62     connect(clipboardQuantityAction, SIGNAL(triggered()), this, SLOT(coinControlClipboardQuantity()));
  63     connect(clipboardAmountAction, SIGNAL(triggered()), this, SLOT(coinControlClipboardAmount()));
  64     connect(clipboardFeeAction, SIGNAL(triggered()), this, SLOT(coinControlClipboardFee()));
  65     connect(clipboardAfterFeeAction, SIGNAL(triggered()), this, SLOT(coinControlClipboardAfterFee()));
  66     connect(clipboardBytesAction, SIGNAL(triggered()), this, SLOT(coinControlClipboardBytes()));
  67     connect(clipboardPriorityAction, SIGNAL(triggered()), this, SLOT(coinControlClipboardPriority()));
  68     connect(clipboardLowOutputAction, SIGNAL(triggered()), this, SLOT(coinControlClipboardLowOutput()));
  69     connect(clipboardChangeAction, SIGNAL(triggered()), this, SLOT(coinControlClipboardChange()));
  70     ui->labelCoinControlQuantity->addAction(clipboardQuantityAction);
  71     ui->labelCoinControlAmount->addAction(clipboardAmountAction);
  72     ui->labelCoinControlFee->addAction(clipboardFeeAction);
  73     ui->labelCoinControlAfterFee->addAction(clipboardAfterFeeAction);
  74     ui->labelCoinControlBytes->addAction(clipboardBytesAction);
  75     ui->labelCoinControlPriority->addAction(clipboardPriorityAction);
  76     ui->labelCoinControlLowOutput->addAction(clipboardLowOutputAction);
  77     ui->labelCoinControlChange->addAction(clipboardChangeAction);
  78
  79     fNewRecipientAllowed = true;
  80 }
  81
  82 void SendCoinsDialog::setModel(WalletModel *model)
  83 {
  84     this->model = model;
  85
  86     for(int i = 0; i < ui->entries->count(); ++i)
  87     {
  88         SendCoinsEntry *entry = qobject_cast<SendCoinsEntry*>(ui->entries->itemAt(i)->widget());
  89         if(entry)
  90         {
  91             entry->setModel(model);
  92         }
  93     }
  94     if(model && model->getOptionsModel())
  95     {
  96         setBalance(model->getBalance(), model->getStake(), model->getUnconfirmedBalance(), model->getImmatureBalance());
  97         connect(model, SIGNAL(balanceChanged(qint64, qint64, qint64, qint64)), this, SLOT(setBalance(qint64, qint64, qint64, qint64)));
  98         connect(model->getOptionsModel(), SIGNAL(displayUnitChanged(int)), this, SLOT(updateDisplayUnit()));
  99
 100         // Coin Control
 101         connect(model->getOptionsModel(), SIGNAL(displayUnitChanged(int)), this, SLOT(coinControlUpdateLabels()));
 102         connect(model->getOptionsModel(), SIGNAL(coinControlFeaturesChanged(bool)), this, SLOT(coinControlFeatureChanged(bool)));
 103         connect(model->getOptionsModel(), SIGNAL(transactionFeeChanged(qint64)), this, SLOT(coinControlUpdateLabels()));
 104         ui->frameCoinControl->setVisible(model->getOptionsModel()->getCoinControlFeatures());
 105         coinControlUpdateLabels();
 106     }
 107 }
 108
 109 SendCoinsDialog::~SendCoinsDialog()
 110 {
 111     delete ui;
 112 }
 113
 114 void SendCoinsDialog::on_sendButton_clicked()
 115 {
 116     QList<SendCoinsRecipient> recipients;
 117     bool valid = true;
 118
 119     if(!model)
 120         return;
 121
 122     if (ui->lineEditCoinControlChange->isEnabled())
 123     {
 124         if(!ui->lineEditCoinControlChange->hasAcceptableInput() ||
 125            (model && !model->validateAddress(ui->lineEditCoinControlChange->text())))
 126         {
 127             ui->lineEditCoinControlChange->setValid(false);
 128             valid = false;
 129         }
 130     }
 131
 132     for(int i = 0; i < ui->entries->count(); ++i)
 133     {
 134         SendCoinsEntry *entry = qobject_cast<SendCoinsEntry*>(ui->entries->itemAt(i)->widget());
 135         if(entry)
 136         {
 137             if(entry->validate())
 138             {
 139                 recipients.append(entry->getValue());
 140             }
 141             else
 142             {
 143                 valid = false;
 144             }
 145         }
 146     }
 147
 148     if(!valid || recipients.isEmpty())
 149     {
 150         return;
 151     }
 152
 153     // Format confirmation message
 154     QStringList formatted;
 155     foreach(const SendCoinsRecipient &rcp, recipients)
 156     {
 157         formatted.append(tr("<b>%1</b> to %2 (%3)").arg(BitcoinUnits::formatWithUnit(BitcoinUnits::BTC, rcp.amount), Qt::escape(rcp.label), rcp.address));
 158     }
 159
 160     fNewRecipientAllowed = false;
 161
 162     QMessageBox::StandardButton retval = QMessageBox::question(this, tr("Confirm send coins"),
 163                           tr("Are you sure you want to send %1?").arg(formatted.join(tr(" and "))),
 164           QMessageBox::Yes|QMessageBox::Cancel,
 165           QMessageBox::Cancel);
 166
 167     if(retval != QMessageBox::Yes)
 168     {
 169         fNewRecipientAllowed = true;
 170         return;
 171     }
 172
 173     WalletModel::UnlockContext ctx(model->requestUnlock());
 174     if(!ctx.isValid())
 175     {
 176         // Unlock wallet was cancelled
 177         fNewRecipientAllowed = true;
 178         return;
 179     }
 180
 181     WalletModel::SendCoinsReturn sendstatus;
 182
 183     if (!model->getOptionsModel() || !model->getOptionsModel()->getCoinControlFeatures())
 184         sendstatus = model->sendCoins(recipients);
 185     else
 186         sendstatus = model->sendCoins(recipients, CoinControlDialog::coinControl);
 187
 188     switch(sendstatus.status)
 189     {
 190     case WalletModel::InvalidAddress:
 191         QMessageBox::warning(this, tr("Send Coins"),
 192             tr("The recipient address is not valid, please recheck."),
 193             QMessageBox::Ok, QMessageBox::Ok);
 194         break;
 195     case WalletModel::InvalidAmount:
 196         QMessageBox::warning(this, tr("Send Coins"),
 197             tr("The amount to pay must be larger than 0."),
 198             QMessageBox::Ok, QMessageBox::Ok);
 199         break;
 200     case WalletModel::AmountExceedsBalance:
 201         QMessageBox::warning(this, tr("Send Coins"),
 202             tr("The amount exceeds your balance."),
 203             QMessageBox::Ok, QMessageBox::Ok);
 204         break;
 205     case WalletModel::AmountWithFeeExceedsBalance:
 206         QMessageBox::warning(this, tr("Send Coins"),
 207             tr("The total exceeds your balance when the %1 transaction fee is included.").
 208             arg(BitcoinUnits::formatWithUnit(BitcoinUnits::BTC, sendstatus.fee)),
 209             QMessageBox::Ok, QMessageBox::Ok);
 210         break;
 211     case WalletModel::DuplicateAddress:
 212         QMessageBox::warning(this, tr("Send Coins"),
 213             tr("Duplicate address found, can only send to each address once per send operation."),
 214             QMessageBox::Ok, QMessageBox::Ok);
 215         break;
 216     case WalletModel::TransactionCreationFailed:
 217         QMessageBox::warning(this, tr("Send Coins"),
 218             tr("Error: Transaction creation failed."),
 219             QMessageBox::Ok, QMessageBox::Ok);
 220         break;
 221     case WalletModel::TransactionCommitFailed:
 222         QMessageBox::warning(this, tr("Send Coins"),
 223             tr("Error: 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."),
 224             QMessageBox::Ok, QMessageBox::Ok);
 225         break;
 226     case WalletModel::Aborted: // User aborted, nothing to do
 227         break;
 228     case WalletModel::OK:
 229         accept();
 230         CoinControlDialog::coinControl->UnSelectAll();
 231         coinControlUpdateLabels();
 232         break;
 233     }
 234     fNewRecipientAllowed = true;
 235 }
 236
 237 void SendCoinsDialog::clear()
 238 {
 239     // Remove entries until only one left
 240     while(ui->entries->count())
 241     {
 242         delete ui->entries->takeAt(0)->widget();
 243     }
 244     addEntry();
 245
 246     updateRemoveEnabled();
 247
 248     ui->sendButton->setDefault(true);
 249 }
 250
 251 void SendCoinsDialog::reject()
 252 {
 253     clear();
 254 }
 255
 256 void SendCoinsDialog::accept()
 257 {
 258     clear();
 259 }
 260
 261 SendCoinsEntry *SendCoinsDialog::addEntry()
 262 {
 263     SendCoinsEntry *entry = new SendCoinsEntry(this);
 264     entry->setModel(model);
 265     ui->entries->addWidget(entry);
 266     connect(entry, SIGNAL(removeEntry(SendCoinsEntry*)), this, SLOT(removeEntry(SendCoinsEntry*)));
 267     connect(entry, SIGNAL(payAmountChanged()), this, SLOT(coinControlUpdateLabels()));
 268
 269     updateRemoveEnabled();
 270
 271     // Focus the field, so that entry can start immediately
 272     entry->clear();
 273     entry->setFocus();
 274     ui->scrollAreaWidgetContents->resize(ui->scrollAreaWidgetContents->sizeHint());
 275     QCoreApplication::instance()->processEvents();
 276     QScrollBar* bar = ui->scrollArea->verticalScrollBar();
 277     if(bar)
 278         bar->setSliderPosition(bar->maximum());
 279     return entry;
 280 }
 281
 282 void SendCoinsDialog::updateRemoveEnabled()
 283 {
 284     // Remove buttons are enabled as soon as there is more than one send-entry
 285     bool enabled = (ui->entries->count() > 1);
 286     for(int i = 0; i < ui->entries->count(); ++i)
 287     {
 288         SendCoinsEntry *entry = qobject_cast<SendCoinsEntry*>(ui->entries->itemAt(i)->widget());
 289         if(entry)
 290         {
 291             entry->setRemoveEnabled(enabled);
 292         }
 293     }
 294     setupTabChain(0);
 295     coinControlUpdateLabels();
 296 }
 297
 298 void SendCoinsDialog::removeEntry(SendCoinsEntry* entry)
 299 {
 300     delete entry;
 301     updateRemoveEnabled();
 302 }
 303
 304 QWidget *SendCoinsDialog::setupTabChain(QWidget *prev)
 305 {
 306     for(int i = 0; i < ui->entries->count(); ++i)
 307     {
 308         SendCoinsEntry *entry = qobject_cast<SendCoinsEntry*>(ui->entries->itemAt(i)->widget());
 309         if(entry)
 310         {
 311             prev = entry->setupTabChain(prev);
 312         }
 313     }
 314     QWidget::setTabOrder(prev, ui->addButton);
 315     QWidget::setTabOrder(ui->addButton, ui->sendButton);
 316     return ui->sendButton;
 317 }
 318
 319 void SendCoinsDialog::pasteEntry(const SendCoinsRecipient &rv)
 320 {
 321     if(!fNewRecipientAllowed)
 322         return;
 323
 324     SendCoinsEntry *entry = 0;
 325     // Replace the first entry if it is still unused
 326     if(ui->entries->count() == 1)
 327     {
 328         SendCoinsEntry *first = qobject_cast<SendCoinsEntry*>(ui->entries->itemAt(0)->widget());
 329         if(first->isClear())
 330         {
 331             entry = first;
 332         }
 333     }
 334     if(!entry)
 335     {
 336         entry = addEntry();
 337     }
 338
 339     entry->setValue(rv);
 340 }
 341
 342 bool SendCoinsDialog::handleURI(const QString &uri)
 343 {
 344     SendCoinsRecipient rv;
 345     // URI has to be valid
 346     if (GUIUtil::parseBitcoinURI(uri, &rv))
 347     {
 348         CBitcoinAddress address(rv.address.toStdString());
 349         if (!address.IsValid())
 350             return false;
 351         pasteEntry(rv);
 352         return true;
 353     }
 354
 355     return false;
 356 }
 357
 358 void SendCoinsDialog::setBalance(qint64 balance, qint64 stake, qint64 unconfirmedBalance, qint64 immatureBalance)
 359 {
 360     Q_UNUSED(stake);
 361     Q_UNUSED(unconfirmedBalance);
 362     Q_UNUSED(immatureBalance);
 363     if(!model || !model->getOptionsModel())
 364         return;
 365
 366     int unit = model->getOptionsModel()->getDisplayUnit();
 367     ui->labelBalance->setText(BitcoinUnits::formatWithUnit(unit, balance));
 368 }
 369
 370 void SendCoinsDialog::updateDisplayUnit()
 371 {
 372     if(model && model->getOptionsModel())
 373     {
 374         // Update labelBalance with the current balance and the current unit
 375         ui->labelBalance->setText(BitcoinUnits::formatWithUnit(model->getOptionsModel()->getDisplayUnit(), model->getBalance()));
 376     }
 377 }
 378
 379 // Coin Control: copy label "Quantity" to clipboard
 380 void SendCoinsDialog::coinControlClipboardQuantity()
 381 {
 382     QApplication::clipboard()->setText(ui->labelCoinControlQuantity->text());
 383 }
 384
 385 // Coin Control: copy label "Amount" to clipboard
 386 void SendCoinsDialog::coinControlClipboardAmount()
 387 {
 388     QApplication::clipboard()->setText(ui->labelCoinControlAmount->text().left(ui->labelCoinControlAmount->text().indexOf(" ")));
 389 }
 390
 391 // Coin Control: copy label "Fee" to clipboard
 392 void SendCoinsDialog::coinControlClipboardFee()
 393 {
 394     QApplication::clipboard()->setText(ui->labelCoinControlFee->text().left(ui->labelCoinControlFee->text().indexOf(" ")));
 395 }
 396
 397 // Coin Control: copy label "After fee" to clipboard
 398 void SendCoinsDialog::coinControlClipboardAfterFee()
 399 {
 400     QApplication::clipboard()->setText(ui->labelCoinControlAfterFee->text().left(ui->labelCoinControlAfterFee->text().indexOf(" ")));
 401 }
 402
 403 // Coin Control: copy label "Bytes" to clipboard
 404 void SendCoinsDialog::coinControlClipboardBytes()
 405 {
 406     QApplication::clipboard()->setText(ui->labelCoinControlBytes->text());
 407 }
 408
 409 // Coin Control: copy label "Priority" to clipboard
 410 void SendCoinsDialog::coinControlClipboardPriority()
 411 {
 412     QApplication::clipboard()->setText(ui->labelCoinControlPriority->text());
 413 }
 414
 415 // Coin Control: copy label "Low output" to clipboard
 416 void SendCoinsDialog::coinControlClipboardLowOutput()
 417 {
 418     QApplication::clipboard()->setText(ui->labelCoinControlLowOutput->text());
 419 }
 420
 421 // Coin Control: copy label "Change" to clipboard
 422 void SendCoinsDialog::coinControlClipboardChange()
 423 {
 424     QApplication::clipboard()->setText(ui->labelCoinControlChange->text().left(ui->labelCoinControlChange->text().indexOf(" ")));
 425 }
 426
 427 // Coin Control: settings menu - coin control enabled/disabled by user
 428 void SendCoinsDialog::coinControlFeatureChanged(bool checked)
 429 {
 430     ui->frameCoinControl->setVisible(checked);
 431
 432     if (!checked && model) // coin control features disabled
 433         CoinControlDialog::coinControl->SetNull();
 434 }
 435
 436 // Coin Control: button inputs -> show actual coin control dialog
 437 void SendCoinsDialog::coinControlButtonClicked()
 438 {
 439     CoinControlDialog dlg;
 440     dlg.setModel(model);
 441     dlg.exec();
 442     coinControlUpdateLabels();
 443 }
 444
 445 // Coin Control: checkbox custom change address
 446 void SendCoinsDialog::coinControlChangeChecked(int state)
 447 {
 448     if (model)
 449     {
 450         if (state == Qt::Checked)
 451             CoinControlDialog::coinControl->destChange = CBitcoinAddress(ui->lineEditCoinControlChange->text().toStdString()).Get();
 452         else
 453             CoinControlDialog::coinControl->destChange = CNoDestination();
 454     }
 455
 456     ui->lineEditCoinControlChange->setEnabled((state == Qt::Checked));
 457 //    ui->labelCoinControlChangeLabel->setEnabled((state == Qt::Checked));
 458     ui->addressBookButton->setEnabled((state == Qt::Checked));
 459     ui->pasteButton->setEnabled((state == Qt::Checked));
 460 }
 461
 462 void SendCoinsDialog::on_pasteButton_clicked()
 463 {
 464     // Paste text from clipboard into recipient field
 465     ui->lineEditCoinControlChange->setText(QApplication::clipboard()->text());
 466 }
 467
 468 void SendCoinsDialog::on_addressBookButton_clicked()
 469 {
 470     if(!model)
 471         return;
 472     AddressBookPage dlg(AddressBookPage::ForSending, AddressBookPage::SendingTab, this);
 473     dlg.setModel(model->getAddressTableModel());
 474     if(dlg.exec())
 475     {
 476         ui->lineEditCoinControlChange->setText(dlg.getReturnValue());
 477     }
 478 }
 479
 480 // Coin Control: update labels
 481 void SendCoinsDialog::coinControlUpdateLabels()
 482 {
 483     if (!model || !model->getOptionsModel() || !model->getOptionsModel()->getCoinControlFeatures())
 484         return;
 485
 486     // set pay amounts
 487     CoinControlDialog::payAmounts.clear();
 488     for(int i = 0; i < ui->entries->count(); ++i)
 489     {
 490         SendCoinsEntry *entry = qobject_cast<SendCoinsEntry*>(ui->entries->itemAt(i)->widget());
 491         if(entry)
 492             CoinControlDialog::payAmounts.append(entry->getValue().amount);
 493     }
 494
 495     if (CoinControlDialog::coinControl->HasSelected())
 496     {
 497         // actual coin control calculation
 498         CoinControlDialog::updateLabels(model, this);
 499
 500         // show coin control stats
 501         ui->labelCoinControlAutomaticallySelected->hide();
 502         ui->widgetCoinControl->show();
 503     }
 504     else
 505     {
 506         // hide coin control stats
 507         ui->labelCoinControlAutomaticallySelected->show();
 508         ui->widgetCoinControl->hide();
 509         ui->labelCoinControlInsuffFunds->hide();
 510     }
 511 }