[gui] wallet creation detects external signer

Author: Sjors

src/qt/createwalletdialog.cpp

@@ -11,7 +11,7 @@
 
 #include <QPushButton>
 
-CreateWalletDialog::CreateWalletDialog(QWidget* parent) :
+CreateWalletDialog::CreateWalletDialog(ExternalSignerList signers, QWidget* parent) :
     QDialog(parent),
     ui(new Ui::CreateWalletDialog)
 {
@@ -56,6 +56,20 @@ CreateWalletDialog::CreateWalletDialog(QWidget* parent) :
         ui->descriptor_checkbox->setEnabled(!checked);
     });
 
+    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);
+        ui->disable_privkeys_checkbox->setEnabled(false);
+        ui->disable_privkeys_checkbox->setChecked(true);
+        ui->blank_wallet_checkbox->setEnabled(false);
+        ui->blank_wallet_checkbox->setChecked(false);
+        const std::string label = signers[0].second;
+        ui->wallet_name_line_edit->setText(QString::fromStdString(label));
+        ui->buttonBox->button(QDialogButtonBox::Ok)->setEnabled(true);
+    }
+
 }
 
 CreateWalletDialog::~CreateWalletDialog()

src/qt/createwalletdialog.h

@@ -13,14 +13,16 @@ namespace Ui {
     class CreateWalletDialog;
 }
 
+typedef std::vector<std::pair<std::string, std::string>> ExternalSignerList; // TODO: figure out where to define this
+
 /** Dialog for creating wallets
  */
 class CreateWalletDialog : public QDialog
 {
     Q_OBJECT
 
 public:
-    explicit CreateWalletDialog(QWidget* parent);
+    explicit CreateWalletDialog(ExternalSignerList signers, QWidget* parent);
     virtual ~CreateWalletDialog();
 
     QString walletName() const;

src/qt/walletcontroller.cpp

@@ -282,9 +282,14 @@ void CreateWalletActivity::finish()
 void CreateWalletActivity::create()
 {
     // Check for external signers
+    ExternalSignerList signers;
+    try {
+        signers = node().walletClient().ExternalSigners();
+    } catch (const ExternalSignerException& e) {
+        QMessageBox::critical(nullptr, tr("Can't list signers"), e.what());
+    }
 
-
-    m_create_wallet_dialog = new CreateWalletDialog(m_parent_widget);
+    m_create_wallet_dialog = new CreateWalletDialog(signers, m_parent_widget);
     m_create_wallet_dialog->setWindowModality(Qt::ApplicationModal);
     m_create_wallet_dialog->show();