[gui] create wallet with external signer

Author: Sjors

src/qt/createwalletdialog.cpp

@@ -25,15 +25,37 @@ 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);
+        ui->external_signer_checkbox->setEnabled(!checked);
 
         // 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) {
+        if (checked) {
+            ui->encrypt_wallet_checkbox->setChecked(false);
+            ui->blank_wallet_checkbox->setChecked(false);
+            ui->disable_privkeys_checkbox->setChecked(true);
+            ui->descriptor_checkbox->setChecked(true);
+        }
+
+        ui->encrypt_wallet_checkbox->setEnabled(!checked);
+        ui->blank_wallet_checkbox->setEnabled(!checked);
+        ui->disable_privkeys_checkbox->setEnabled(!checked);
+        ui->descriptor_checkbox->setEnabled(!checked);
     });
+
 }
 
 CreateWalletDialog::~CreateWalletDialog()
@@ -65,3 +87,8 @@ bool CreateWalletDialog::isDescriptorWalletChecked() const
 {
     return ui->descriptor_checkbox->isChecked();
 }
+
+bool CreateWalletDialog::isExternalSignerChecked() const
+{
+    return ui->external_signer_checkbox->isChecked();
+}

src/qt/createwalletdialog.h

@@ -28,6 +28,7 @@ class CreateWalletDialog : public QDialog
     bool isDisablePrivateKeysChecked() const;
     bool isMakeBlankWalletChecked() const;
     bool isDescriptorWalletChecked() const;
+    bool isExternalSignerChecked() const;
 
 private:
     Ui::CreateWalletDialog *ui;

src/qt/forms/createwalletdialog.ui

@@ -7,7 +7,7 @@
     <x>0</x>
     <y>0</y>
     <width>364</width>
-    <height>213</height>
+    <height>243</height>
    </rect>
   </property>
   <property name="windowTitle">
@@ -122,12 +122,32 @@
     <string>Descriptor Wallet</string>
    </property>
   </widget>
+  <widget class="QCheckBox" name="external_signer_checkbox">
+    <property name="geometry">
+     <rect>
+      <x>20</x>
+      <y>170</y>
+      <width>171</width>
+      <height>22</height>
+     </rect>
+    </property>
+   <property name="enabled">
+    <bool>false</bool>
+   </property>
+   <property name="text">
+     <string>External signer</string>
+   </property>
+   <property name="toolTip">
+     <string>Use an external signing device such as a hardware wallet. Configure the external signer script in wallet preferences first.</string>
+   </property>
  </widget>
+</widget>
  <tabstops>
   <tabstop>wallet_name_line_edit</tabstop>
   <tabstop>encrypt_wallet_checkbox</tabstop>
   <tabstop>disable_privkeys_checkbox</tabstop>
   <tabstop>blank_wallet_checkbox</tabstop>
+  <tabstop>external_signer_checkbox</tabstop>
  </tabstops>
  <resources/>
  <connections>

src/qt/walletcontroller.cpp

@@ -251,6 +251,9 @@ void CreateWalletActivity::createWallet()
     if (m_create_wallet_dialog->isDescriptorWalletChecked()) {
         flags |= WALLET_FLAG_DESCRIPTORS;
     }
+    if (m_create_wallet_dialog->isExternalSignerChecked()) {
+        flags |= WALLET_FLAG_EXTERNAL_SIGNER;
+    }
 
     QTimer::singleShot(500, worker(), [this, name, flags] {
         std::unique_ptr<interfaces::Wallet> wallet = node().walletClient().createWallet(name, m_passphrase, flags, m_error_message, m_warning_message);