Coin Control Features

1 files changed, 211 insertions, 1 deletions

diff --git a/src/qt/sendcoinsdialog.cpp b/src/qt/sendcoinsdialog.cpp
index b9c5eb08d6..71a1eb7618 100644
--- a/src/qt/sendcoinsdialog.cpp
+++ b/src/qt/sendcoinsdialog.cpp
@@ -10,9 +10,12 @@
 #include "optionsmodel.h"
 #include "sendcoinsentry.h"
 #include "walletmodel.h"
+#include "coincontroldialog.h"
+#include "addresstablemodel.h"
 
 #include "base58.h"
 #include "ui_interface.h"
+#include "coincontrol.h"
 
 #include <QMessageBox>
 #include <QScrollBar>
@@ -30,12 +33,48 @@ SendCoinsDialog::SendCoinsDialog(QWidget *parent) :
     ui->clearButton->setIcon(QIcon());
     ui->sendButton->setIcon(QIcon());
 #endif
+#if QT_VERSION >= 0x040700
+    /* Do not move this to the XML file, Qt before 4.7 will choke on it */
+    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;
 }
 
@@ -57,6 +96,13 @@ void SendCoinsDialog::setModel(WalletModel *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();
     }
 }
 
@@ -144,7 +190,12 @@ void SendCoinsDialog::on_sendButton_clicked()
 
     // prepare transaction for getting txFee earlier
     WalletModelTransaction currentTransaction(recipients);
-    WalletModel::SendCoinsReturn prepareStatus = model->prepareTransaction(currentTransaction);
+    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()));
@@ -192,6 +243,8 @@ void SendCoinsDialog::on_sendButton_clicked()
     if (sendStatus.status == WalletModel::OK)
     {
         accept();
+        CoinControlDialog::coinControl->UnSelectAll();
+        coinControlUpdateLabels();
     }
     fNewRecipientAllowed = true;
 }
@@ -226,6 +279,7 @@ SendCoinsEntry *SendCoinsDialog::addEntry()
     entry->setModel(model);
     ui->entries->addWidget(entry);
     connect(entry, SIGNAL(removeEntry(SendCoinsEntry*)), this, SLOT(removeEntry(SendCoinsEntry*)));
+    connect(entry, SIGNAL(payAmountChanged()), this, SLOT(coinControlUpdateLabels()));
 
     updateRemoveEnabled();
 
@@ -253,6 +307,8 @@ void SendCoinsDialog::updateRemoveEnabled()
         }
     }
     setupTabChain(0);
+
+    coinControlUpdateLabels();
 }
 
 void SendCoinsDialog::removeEntry(SendCoinsEntry* entry)
@@ -317,6 +373,7 @@ void SendCoinsDialog::pasteEntry(const SendCoinsRecipient &rv)
     }
 
     entry->setValue(rv);
+    coinControlUpdateLabels();
 }
 
 bool SendCoinsDialog::handlePaymentRequest(const SendCoinsRecipient &rv)
@@ -404,3 +461,156 @@ void SendCoinsDialog::processSendCoinsReturn(const WalletModel::SendCoinsReturn
 
     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 (model)
+    {
+        if (state == Qt::Checked)
+            CoinControlDialog::coinControl->destChange = CBitcoinAddress(ui->lineEditCoinControlChange->text().toStdString()).Get();
+        else
+            CoinControlDialog::coinControl->destChange = CNoDestination();
+    }
+
+    ui->lineEditCoinControlChange->setEnabled((state == Qt::Checked));
+    ui->labelCoinControlChangeLabel->setVisible((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())
+        {
+            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
+                {
+                    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();
+    }
+}
+