Utils: Add password input dialog

Task-number: QTCREATORBUG-29485
Change-Id: I2b55e7d39f848f1c89d3a365a2cadd44e8aac97c
Reviewed-by: hjk <hjk@qt.io>

src/libs/utils/passworddialog.cpp

@@ -0,0 +1,204 @@
+// Copyright (C) 2023 The Qt Company Ltd.
+// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
+
+#include "passworddialog.h"
+
+#include "layoutbuilder.h"
+#include "stylehelper.h"
+#include "utilsicons.h"
+#include "utilstr.h"
+
+#include <QAbstractButton>
+#include <QCheckBox>
+#include <QDialogButtonBox>
+#include <QEnterEvent>
+#include <QLineEdit>
+#include <QPainter>
+
+namespace Utils {
+
+ShowPasswordButton::ShowPasswordButton(QWidget *parent)
+    : QAbstractButton(parent)
+{
+    setAttribute(Qt::WA_Hover);
+    setCheckable(true);
+    setToolTip(Tr::tr("Show/hide password"));
+}
+
+void ShowPasswordButton::paintEvent(QPaintEvent *e)
+{
+    Q_UNUSED(e);
+    QIcon icon = isChecked() ? Utils::Icons::EYE_OPEN_TOOLBAR.icon()
+                             : Utils::Icons::EYE_CLOSED_TOOLBAR.icon();
+    QPainter p(this);
+    QRect r(QPoint(), size());
+
+    if (m_containsMouse)
+        StyleHelper::drawPanelBgRect(&p, r, creatorTheme()->color(Theme::FancyToolButtonHoverColor));
+
+    QWindow *window = this->window()->windowHandle();
+    QSize s = icon.actualSize(window, QSize(32, 16));
+
+    QPixmap px = icon.pixmap(s);
+    QRect iRect(QPoint(), s);
+    iRect.moveCenter(r.center());
+    p.drawPixmap(iRect, px);
+}
+
+void ShowPasswordButton::enterEvent(QEnterEvent *e)
+{
+    m_containsMouse = true;
+    e->accept();
+    update();
+}
+
+void ShowPasswordButton::leaveEvent(QEvent *e)
+{
+    m_containsMouse = false;
+    e->accept();
+    update();
+}
+
+QSize ShowPasswordButton::sizeHint() const
+{
+    QWindow *window = this->window()->windowHandle();
+    QSize s = Utils::Icons::EYE_OPEN_TOOLBAR.icon().actualSize(window, QSize(32, 16)) + QSize(8, 8);
+
+    if (StyleHelper::toolbarStyle() == StyleHelper::ToolbarStyleRelaxed)
+        s += QSize(5, 5);
+
+    return s;
+}
+
+class PasswordDialogPrivate
+{
+public:
+    QLineEdit *m_userNameLineEdit{nullptr};
+    QLineEdit *m_passwordLineEdit{nullptr};
+    QCheckBox *m_checkBox{nullptr};
+    QDialogButtonBox *m_buttonBox{nullptr};
+};
+
+PasswordDialog::PasswordDialog(const QString &title,
+                               const QString &prompt,
+                               const QString &doNotAskAgainLabel,
+                               bool withUsername,
+                               QWidget *parent)
+    : QDialog(parent)
+    , d(new PasswordDialogPrivate)
+{
+    setWindowTitle(title);
+
+    d->m_passwordLineEdit = new QLineEdit();
+    d->m_passwordLineEdit->setEchoMode(QLineEdit::Password);
+
+    if (withUsername)
+        d->m_userNameLineEdit = new QLineEdit();
+
+    d->m_checkBox = new QCheckBox();
+    d->m_checkBox->setText(doNotAskAgainLabel);
+
+    auto *showPasswordButton = new ShowPasswordButton;
+
+    connect(showPasswordButton, &QAbstractButton::toggled, this, [this, showPasswordButton] {
+        d->m_passwordLineEdit->setEchoMode(showPasswordButton->isChecked() ? QLineEdit::Normal
+                                                                           : QLineEdit::Password);
+    });
+
+    d->m_buttonBox = new QDialogButtonBox(QDialogButtonBox::Ok | QDialogButtonBox::Cancel);
+
+    connect(d->m_buttonBox, &QDialogButtonBox::accepted, this, &QDialog::accept);
+    connect(d->m_buttonBox, &QDialogButtonBox::rejected, this, &QDialog::reject);
+
+    using namespace Layouting;
+
+    // clang-format off
+    Column {
+        prompt,
+        If {
+            withUsername, {
+                Form {
+                    Tr::tr("User:"), d->m_userNameLineEdit, br,
+                    Tr::tr("Password:"), Row { d->m_passwordLineEdit, showPasswordButton }, br,
+                }
+            }, {
+                Row {
+                    d->m_passwordLineEdit, showPasswordButton,
+                },
+            }
+        },
+        Row {
+            d->m_checkBox,
+            d->m_buttonBox,
+        }
+    }.attachTo(this);
+    // clang-format on
+
+    d->m_passwordLineEdit->setMinimumWidth(d->m_passwordLineEdit->width() / 2);
+    setFixedSize(sizeHint());
+}
+
+PasswordDialog::~PasswordDialog() = default;
+
+void PasswordDialog::setUser(const QString &user)
+{
+    QTC_ASSERT(d->m_userNameLineEdit, return);
+    d->m_userNameLineEdit->setText(user);
+}
+
+QString PasswordDialog::user() const
+{
+    QTC_ASSERT(d->m_userNameLineEdit, return {});
+    return d->m_userNameLineEdit->text();
+}
+
+QString PasswordDialog::password() const
+{
+    return d->m_passwordLineEdit->text();
+}
+
+std::optional<QPair<QString, QString>> PasswordDialog::getUserAndPassword(
+    const QString &title,
+    const QString &prompt,
+    const QString &doNotAskAgainLabel,
+    const QString &userName,
+    const CheckableDecider &decider,
+    QWidget *parent)
+{
+    if (!decider.shouldAskAgain())
+        return std::nullopt;
+
+    PasswordDialog dialog(title, prompt, doNotAskAgainLabel, true, parent);
+
+    dialog.setUser(userName);
+
+    if (dialog.exec() == QDialog::Accepted)
+        return qMakePair(dialog.user(), dialog.password());
+
+    if (dialog.d->m_checkBox->isChecked())
+        decider.doNotAskAgain();
+
+    return std::nullopt;
+}
+
+std::optional<QString> PasswordDialog::getPassword(const QString &title,
+                                                   const QString &prompt,
+                                                   const QString &doNotAskAgainLabel,
+                                                   const CheckableDecider &decider,
+                                                   QWidget *parent)
+{
+    if (!decider.shouldAskAgain())
+        return std::nullopt;
+
+    PasswordDialog dialog(title, prompt, doNotAskAgainLabel, false, parent);
+
+    if (dialog.exec() == QDialog::Accepted)
+        return dialog.password();
+
+    if (dialog.d->m_checkBox->isChecked())
+        decider.doNotAskAgain();
+
+    return std::nullopt;
+}
+
+} // namespace Utils