gui: create wallet: allow nameless

Author: Sjors

src/qt/createwalletdialog.cpp

@@ -17,13 +17,9 @@ CreateWalletDialog::CreateWalletDialog(QWidget* parent) :
 {
     ui->setupUi(this);
     ui->buttonBox->button(QDialogButtonBox::Ok)->setText(tr("Create"));
-    ui->buttonBox->button(QDialogButtonBox::Ok)->setEnabled(false);
+    ui->buttonBox->button(QDialogButtonBox::Ok)->setEnabled(true);
     ui->wallet_name_line_edit->setFocus(Qt::ActiveWindowFocusReason);
 
-    connect(ui->wallet_name_line_edit, &QLineEdit::textEdited, [this](const QString& text) {
-        ui->buttonBox->button(QDialogButtonBox::Ok)->setEnabled(!text.isEmpty());
-    });
-
     connect(ui->encrypt_wallet_checkbox, &QCheckBox::toggled, [this](bool checked) {
         // Disable the disable_privkeys_checkbox when isEncryptWalletChecked is
         // set to true, enable it when isEncryptWalletChecked is false.

src/qt/forms/createwalletdialog.ui

@@ -38,9 +38,6 @@
      <height>24</height>
     </rect>
    </property>
-   <property name="placeholderText">
-     <string>MyWallet</string>
-   </property>
   </widget>
   <widget class="QLabel" name="label">
    <property name="geometry">