diff --git a/src/qt/forms/sendcoinsentry.ui b/src/qt/forms/sendcoinsentry.ui index df06f36833f45..d0748c2edb8ca 100644 --- a/src/qt/forms/sendcoinsentry.ui +++ b/src/qt/forms/sendcoinsentry.ui @@ -163,7 +163,7 @@ - + @@ -177,6 +177,13 @@ + + + + Use available balance + + + diff --git a/src/qt/sendcoinsdialog.cpp b/src/qt/sendcoinsdialog.cpp index 05c5ccbfe26a3..ce88c305eef87 100644 --- a/src/qt/sendcoinsdialog.cpp +++ b/src/qt/sendcoinsdialog.cpp @@ -410,6 +410,7 @@ SendCoinsEntry *SendCoinsDialog::addEntry() entry->setModel(model); ui->entries->addWidget(entry); connect(entry, SIGNAL(removeEntry(SendCoinsEntry*)), this, SLOT(removeEntry(SendCoinsEntry*))); + connect(entry, SIGNAL(useAvailableBalance(SendCoinsEntry*)), this, SLOT(useAvailableBalance(SendCoinsEntry*))); connect(entry, SIGNAL(payAmountChanged()), this, SLOT(coinControlUpdateLabels())); connect(entry, SIGNAL(subtractFeeFromAmountChanged()), this, SLOT(coinControlUpdateLabels())); @@ -607,6 +608,31 @@ void SendCoinsDialog::on_buttonMinimizeFee_clicked() minimizeFeeSection(true); } +void SendCoinsDialog::useAvailableBalance(SendCoinsEntry* entry) +{ + // Get CCoinControl instance if CoinControl is enabled or create a new one. + CCoinControl coin_control; + if (model->getOptionsModel()->getCoinControlFeatures()) { + coin_control = *CoinControlDialog::coinControl; + } + + // Calculate available amount to send. + CAmount amount = model->getBalance(&coin_control); + for (int i = 0; i < ui->entries->count(); ++i) { + SendCoinsEntry* e = qobject_cast(ui->entries->itemAt(i)->widget()); + if (e && !e->isHidden() && e != entry) { + amount -= e->getValue().amount; + } + } + + if (amount > 0) { + entry->checkSubtractFeeFromAmount(); + entry->setAmount(amount); + } else { + entry->setAmount(0); + } +} + void SendCoinsDialog::setMinimumFee() { ui->radioCustomPerKilobyte->setChecked(true); diff --git a/src/qt/sendcoinsdialog.h b/src/qt/sendcoinsdialog.h index 70b4aa5a03ab3..2ae6ccfa648be 100644 --- a/src/qt/sendcoinsdialog.h +++ b/src/qt/sendcoinsdialog.h @@ -76,6 +76,7 @@ private Q_SLOTS: void on_buttonChooseFee_clicked(); void on_buttonMinimizeFee_clicked(); void removeEntry(SendCoinsEntry* entry); + void useAvailableBalance(SendCoinsEntry* entry); void updateDisplayUnit(); void coinControlFeatureChanged(bool); void coinControlButtonClicked(); diff --git a/src/qt/sendcoinsentry.cpp b/src/qt/sendcoinsentry.cpp index bb0f47b21c0f4..8cf8db8030225 100644 --- a/src/qt/sendcoinsentry.cpp +++ b/src/qt/sendcoinsentry.cpp @@ -48,6 +48,7 @@ SendCoinsEntry::SendCoinsEntry(const PlatformStyle *_platformStyle, QWidget *par connect(ui->deleteButton, SIGNAL(clicked()), this, SLOT(deleteClicked())); connect(ui->deleteButton_is, SIGNAL(clicked()), this, SLOT(deleteClicked())); connect(ui->deleteButton_s, SIGNAL(clicked()), this, SLOT(deleteClicked())); + connect(ui->useAvailableBalanceButton, SIGNAL(clicked()), this, SLOT(useAvailableBalanceClicked())); } SendCoinsEntry::~SendCoinsEntry() @@ -112,11 +113,21 @@ void SendCoinsEntry::clear() updateDisplayUnit(); } +void SendCoinsEntry::checkSubtractFeeFromAmount() +{ + ui->checkboxSubtractFeeFromAmount->setChecked(true); +} + void SendCoinsEntry::deleteClicked() { Q_EMIT removeEntry(this); } +void SendCoinsEntry::useAvailableBalanceClicked() +{ + Q_EMIT useAvailableBalance(this); +} + bool SendCoinsEntry::validate() { if (!model) @@ -228,6 +239,11 @@ void SendCoinsEntry::setAddress(const QString &address) ui->payAmount->setFocus(); } +void SendCoinsEntry::setAmount(const CAmount &amount) +{ + ui->payAmount->setValue(amount); +} + bool SendCoinsEntry::isClear() { return ui->payTo->text().isEmpty() && ui->payTo_is->text().isEmpty() && ui->payTo_s->text().isEmpty(); diff --git a/src/qt/sendcoinsentry.h b/src/qt/sendcoinsentry.h index a8be670c2aa03..557fea4e54760 100644 --- a/src/qt/sendcoinsentry.h +++ b/src/qt/sendcoinsentry.h @@ -38,6 +38,7 @@ class SendCoinsEntry : public QStackedWidget void setValue(const SendCoinsRecipient &value); void setAddress(const QString &address); + void setAmount(const CAmount &amount); /** Set up the tab chain manually, as Qt messes up the tab chain by default in some cases * (issue https://bugreports.qt-project.org/browse/QTBUG-10907). @@ -48,14 +49,17 @@ class SendCoinsEntry : public QStackedWidget public Q_SLOTS: void clear(); + void checkSubtractFeeFromAmount(); Q_SIGNALS: void removeEntry(SendCoinsEntry *entry); + void useAvailableBalance(SendCoinsEntry* entry); void payAmountChanged(); void subtractFeeFromAmountChanged(); private Q_SLOTS: void deleteClicked(); + void useAvailableBalanceClicked(); void on_payTo_textChanged(const QString &address); void on_addressBookButton_clicked(); void on_pasteButton_clicked();