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-rw-r--r--src/qt/sendcoinsdialog.cpp26
1 files changed, 26 insertions, 0 deletions
diff --git a/src/qt/sendcoinsdialog.cpp b/src/qt/sendcoinsdialog.cpp
index 6309070fef..0d4cab2091 100644
--- a/src/qt/sendcoinsdialog.cpp
+++ b/src/qt/sendcoinsdialog.cpp
@@ -402,6 +402,7 @@ 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()));
@@ -599,6 +600,31 @@ 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<SendCoinsEntry*>(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->customFee->setValue(GetRequiredFee(1000));