MainWindow: rework locking

src/widgets/WalletUnlockWidget.cpp

@@ -0,0 +1,58 @@
+// SPDX-License-Identifier: BSD-3-Clause
+// SPDX-FileCopyrightText: 2020-2023 The Monero Project
+
+#include "WalletUnlockWidget.h"
+#include "ui_WalletUnlockWidget.h"
+
+#include <QKeyEvent>
+#include <QPushButton>
+
+WalletUnlockWidget::WalletUnlockWidget(QWidget *parent)
+        : QWidget(parent)
+        , ui(new Ui::WalletUnlockWidget)
+{
+    ui->setupUi(this);
+    this->reset();
+
+    ui->buttonBox->button(QDialogButtonBox::Ok)->setAutoDefault(true);
+
+    connect(ui->buttonBox, &QDialogButtonBox::accepted, this, &WalletUnlockWidget::tryUnlock);
+    connect(ui->buttonBox, &QDialogButtonBox::rejected, this, &WalletUnlockWidget::closeWallet);
+}
+
+void WalletUnlockWidget::setWalletName(const QString &walletName) {
+    ui->label_fileName->setText(walletName);
+}
+
+void WalletUnlockWidget::reset() {
+    ui->label_incorrectPassword->hide();
+    ui->line_password->setText("");
+    ui->line_password->setFocus();
+}
+
+void WalletUnlockWidget::incorrectPassword() {
+    ui->label_incorrectPassword->show();
+    ui->line_password->clear();
+}
+
+void WalletUnlockWidget::tryUnlock() {
+    emit unlockWallet(ui->line_password->text());
+}
+
+void WalletUnlockWidget::keyPressEvent(QKeyEvent *e) {
+    switch (e->key()) {
+        case Qt::Key_Enter:
+        case Qt::Key_Return:
+            ui->buttonBox->accepted();
+            e->ignore();
+            break;
+        case Qt::Key_Escape:
+            ui->buttonBox->rejected();
+            e->ignore();
+            break;
+        default:
+            e->ignore();
+    }
+}
+
+WalletUnlockWidget::~WalletUnlockWidget() = default;