1 files changed, 276 insertions, 0 deletions
diff --git a/src/qt/sendcoinsdialog.cpp b/src/qt/sendcoinsdialog.cpp
new file mode 100644
index 0000000000..6d32891172
--- /dev/null
+++ b/src/qt/sendcoinsdialog.cpp
@@ -0,0 +1,276 @@
+#include "sendcoinsdialog.h"
+#include "ui_sendcoinsdialog.h"
+#include "walletmodel.h"
+#include "bitcoinunits.h"
+#include "addressbookpage.h"
+#include "optionsmodel.h"
+#include "sendcoinsentry.h"
+#include "guiutil.h"
+#include "askpassphrasedialog.h"
+
+#include <QMessageBox>
+#include <QLocale>
+#include <QTextDocument>
+#include <QScrollBar>
+
+SendCoinsDialog::SendCoinsDialog(QWidget *parent) :
+    QDialog(parent),
+    ui(new Ui::SendCoinsDialog),
+    model(0)
+{
+    ui->setupUi(this);
+
+#ifdef Q_WS_MAC // Icons on push buttons are very uncommon on Mac
+    ui->addButton->setIcon(QIcon());
+    ui->clearButton->setIcon(QIcon());
+    ui->sendButton->setIcon(QIcon());
+#endif
+
+    addEntry();
+
+    connect(ui->addButton, SIGNAL(clicked()), this, SLOT(addEntry()));
+    connect(ui->clearButton, SIGNAL(clicked()), this, SLOT(clear()));
+}
+
+void SendCoinsDialog::setModel(WalletModel *model)
+{
+    this->model = model;
+
+    for(int i = 0; i < ui->entries->count(); ++i)
+    {
+        SendCoinsEntry *entry = qobject_cast<SendCoinsEntry*>(ui->entries->itemAt(i)->widget());
+        if(entry)
+        {
+            entry->setModel(model);
+        }
+    }
+    if(model)
+    {
+        setBalance(model->getBalance(), model->getUnconfirmedBalance());
+        connect(model, SIGNAL(balanceChanged(qint64, qint64)), this, SLOT(setBalance(qint64, qint64)));
+    }
+}
+
+SendCoinsDialog::~SendCoinsDialog()
+{
+    delete ui;
+}
+
+void SendCoinsDialog::on_sendButton_clicked()
+{
+    QList<SendCoinsRecipient> recipients;
+    bool valid = true;
+
+    if(!model)
+        return;
+
+    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)
+    {
+        formatted.append(tr("<b>%1</b> to %2 (%3)").arg(BitcoinUnits::formatWithUnit(BitcoinUnits::BTC, rcp.amount), Qt::escape(rcp.label), rcp.address));
+    }
+
+    QMessageBox::StandardButton retval = QMessageBox::question(this, tr("Confirm send coins"),
+                          tr("Are you sure you want to send %1?").arg(formatted.join(tr(" and "))),
+          QMessageBox::Yes|QMessageBox::Cancel,
+          QMessageBox::Cancel);
+
+    if(retval != QMessageBox::Yes)
+    {
+        return;
+    }
+
+    WalletModel::UnlockContext ctx(model->requestUnlock());
+    if(!ctx.isValid())
+    {
+        // Unlock wallet was cancelled
+        return;
+    }
+
+    WalletModel::SendCoinsReturn sendstatus = model->sendCoins(recipients);
+    switch(sendstatus.status)
+    {
+    case WalletModel::InvalidAddress:
+        QMessageBox::warning(this, tr("Send Coins"),
+            tr("The recepient address is not valid, please recheck."),
+            QMessageBox::Ok, QMessageBox::Ok);
+        break;
+    case WalletModel::InvalidAmount:
+        QMessageBox::warning(this, tr("Send Coins"),
+            tr("The amount to pay must be larger than 0."),
+            QMessageBox::Ok, QMessageBox::Ok);
+        break;
+    case WalletModel::AmountExceedsBalance:
+        QMessageBox::warning(this, tr("Send Coins"),
+            tr("Amount exceeds your balance"),
+            QMessageBox::Ok, QMessageBox::Ok);
+        break;
+    case WalletModel::AmountWithFeeExceedsBalance:
+        QMessageBox::warning(this, tr("Send Coins"),
+            tr("Total exceeds your balance when the %1 transaction fee is included").
+            arg(BitcoinUnits::formatWithUnit(BitcoinUnits::BTC, sendstatus.fee)),
+            QMessageBox::Ok, QMessageBox::Ok);
+        break;
+    case WalletModel::DuplicateAddress:
+        QMessageBox::warning(this, tr("Send Coins"),
+            tr("Duplicate address found, can only send to each address once in one send operation"),
+            QMessageBox::Ok, QMessageBox::Ok);
+        break;
+    case WalletModel::TransactionCreationFailed:
+        QMessageBox::warning(this, tr("Send Coins"),
+            tr("Error: Transaction creation failed  "),
+            QMessageBox::Ok, QMessageBox::Ok);
+        break;
+    case WalletModel::TransactionCommitFailed:
+        QMessageBox::warning(this, tr("Send Coins"),
+            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."),
+            QMessageBox::Ok, QMessageBox::Ok);
+        break;
+    case WalletModel::OK:
+        accept();
+        break;
+    }
+}
+
+void SendCoinsDialog::clear()
+{
+    // Remove entries until only one left
+    while(ui->entries->count())
+    {
+        delete ui->entries->takeAt(0)->widget();
+    }
+    addEntry();
+
+    updateRemoveEnabled();
+
+    ui->sendButton->setDefault(true);
+}
+
+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*)));
+
+    updateRemoveEnabled();
+
+    // Focus the field, so that entry can start immediately
+    entry->clear();
+    entry->setFocus();
+    ui->scrollAreaWidgetContents->resize(ui->scrollAreaWidgetContents->sizeHint());
+    QCoreApplication::instance()->processEvents();
+    QScrollBar* bar = ui->scrollArea->verticalScrollBar();
+    if (bar)
+        bar->setSliderPosition(bar->maximum());
+    return entry;
+}
+
+void SendCoinsDialog::updateRemoveEnabled()
+{
+    // Remove buttons are enabled as soon as there is more than one send-entry
+    bool enabled = (ui->entries->count() > 1);
+    for(int i = 0; i < ui->entries->count(); ++i)
+    {
+        SendCoinsEntry *entry = qobject_cast<SendCoinsEntry*>(ui->entries->itemAt(i)->widget());
+        if(entry)
+        {
+            entry->setRemoveEnabled(enabled);
+        }
+    }
+    setupTabChain(0);
+}
+
+void SendCoinsDialog::removeEntry(SendCoinsEntry* entry)
+{
+    delete entry;
+    updateRemoveEnabled();
+}
+
+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::pasteEntry(const SendCoinsRecipient &rv)
+{
+    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);
+}
+
+
+void SendCoinsDialog::handleURL(const QUrl *url)
+{
+    SendCoinsRecipient rv;
+    if(!GUIUtil::parseBitcoinURL(url, &rv))
+    {
+        return;
+    }
+    pasteEntry(rv);
+}
+
+void SendCoinsDialog::setBalance(qint64 balance, qint64 unconfirmedBalance)
+{
+    Q_UNUSED(unconfirmedBalance);
+    if(!model || !model->getOptionsModel())
+        return;
+
+    int unit = model->getOptionsModel()->getDisplayUnit();
+    ui->labelBalance->setText(BitcoinUnits::formatWithUnit(unit, balance));
+}