1 files changed, 65 insertions, 2 deletions

diff --git a/src/qt/createwalletdialog.cpp b/src/qt/createwalletdialog.cpp
index 113bd30a0c..dc24bbc6a6 100644
--- a/src/qt/createwalletdialog.cpp
+++ b/src/qt/createwalletdialog.cpp
@@ -6,6 +6,7 @@
 #include <config/bitcoin-config.h>
 #endif
 
+#include <external_signer.h>
 #include <qt/createwalletdialog.h>
 #include <qt/forms/ui_createwalletdialog.h>
 
@@ -27,14 +28,40 @@ CreateWalletDialog::CreateWalletDialog(QWidget* parent) :
     });
 
     connect(ui->encrypt_wallet_checkbox, &QCheckBox::toggled, [this](bool checked) {
-        // Disable the disable_privkeys_checkbox when isEncryptWalletChecked is
+        // Disable the disable_privkeys_checkbox and external_signer_checkbox when isEncryptWalletChecked is
         // set to true, enable it when isEncryptWalletChecked is false.
         ui->disable_privkeys_checkbox->setEnabled(!checked);
-
+#ifdef ENABLE_EXTERNAL_SIGNER
+        ui->external_signer_checkbox->setEnabled(!checked);
+#endif
         // When the disable_privkeys_checkbox is disabled, uncheck it.
         if (!ui->disable_privkeys_checkbox->isEnabled()) {
             ui->disable_privkeys_checkbox->setChecked(false);
         }
+
+        // When the external_signer_checkbox box is disabled, uncheck it.
+        if (!ui->external_signer_checkbox->isEnabled()) {
+            ui->external_signer_checkbox->setChecked(false);
+        }
+
+    });
+
+    connect(ui->external_signer_checkbox, &QCheckBox::toggled, [this](bool checked) {
+        ui->encrypt_wallet_checkbox->setEnabled(!checked);
+        ui->blank_wallet_checkbox->setEnabled(!checked);
+        ui->disable_privkeys_checkbox->setEnabled(!checked);
+        ui->descriptor_checkbox->setEnabled(!checked);
+
+        // The external signer checkbox is only enabled when a device is detected.
+        // In that case it is checked by default. Toggling it restores the other
+        // options to their default.
+        ui->descriptor_checkbox->setChecked(checked);
+        ui->encrypt_wallet_checkbox->setChecked(false);
+        ui->disable_privkeys_checkbox->setChecked(checked);
+        // The blank check box is ambiguous. This flag is always true for a
+        // watch-only wallet, even though we immedidately fetch keys from the
+        // external signer.
+        ui->blank_wallet_checkbox->setChecked(checked);
     });
 
     connect(ui->disable_privkeys_checkbox, &QCheckBox::toggled, [this](bool checked) {
@@ -63,11 +90,22 @@ CreateWalletDialog::CreateWalletDialog(QWidget* parent) :
         ui->descriptor_checkbox->setToolTip(tr("Compiled without sqlite support (required for descriptor wallets)"));
         ui->descriptor_checkbox->setEnabled(false);
         ui->descriptor_checkbox->setChecked(false);
+        ui->external_signer_checkbox->setEnabled(false);
+        ui->external_signer_checkbox->setChecked(false);
 #endif
+
 #ifndef USE_BDB
         ui->descriptor_checkbox->setEnabled(false);
         ui->descriptor_checkbox->setChecked(true);
 #endif
+
+#ifndef ENABLE_EXTERNAL_SIGNER
+        //: "External signing" means using devices such as hardware wallets.
+        ui->external_signer_checkbox->setToolTip(tr("Compiled without external signing support (required for external signing)"));
+        ui->external_signer_checkbox->setEnabled(false);
+        ui->external_signer_checkbox->setChecked(false);
+#endif
+
 }
 
 CreateWalletDialog::~CreateWalletDialog()
@@ -75,6 +113,26 @@ CreateWalletDialog::~CreateWalletDialog()
     delete ui;
 }
 
+void CreateWalletDialog::setSigners(const std::vector<ExternalSigner>& signers)
+{
+    if (!signers.empty()) {
+        ui->external_signer_checkbox->setEnabled(true);
+        ui->external_signer_checkbox->setChecked(true);
+        ui->encrypt_wallet_checkbox->setEnabled(false);
+        ui->encrypt_wallet_checkbox->setChecked(false);
+        // The order matters, because connect() is called when toggling a checkbox:
+        ui->blank_wallet_checkbox->setEnabled(false);
+        ui->blank_wallet_checkbox->setChecked(false);
+        ui->disable_privkeys_checkbox->setEnabled(false);
+        ui->disable_privkeys_checkbox->setChecked(true);
+        const std::string label = signers[0].m_name;
+        ui->wallet_name_line_edit->setText(QString::fromStdString(label));
+        ui->buttonBox->button(QDialogButtonBox::Ok)->setEnabled(true);
+    } else {
+        ui->external_signer_checkbox->setEnabled(false);
+    }
+}
+
 QString CreateWalletDialog::walletName() const
 {
     return ui->wallet_name_line_edit->text();
@@ -99,3 +157,8 @@ bool CreateWalletDialog::isDescriptorWalletChecked() const
 {
     return ui->descriptor_checkbox->isChecked();
 }
+
+bool CreateWalletDialog::isExternalSignerChecked() const
+{
+    return ui->external_signer_checkbox->isChecked();
+}