File indexing completed on 2024-04-28 03:59:11

 /*
     This file is part of the KDE libraries
     SPDX-FileCopyrightText: 2000 David Faure <faure@kde.org>
     SPDX-FileCopyrightText: 2007 Olivier Goffart <ogoffart at kde.org>
     SPDX-FileCopyrightText: 2020 Harald Sitter <sitter@kde.org>
 
     SPDX-License-Identifier: LGPL-2.0-only
 */
 #include "kpassworddialog.h"
 
 #include <QCheckBox>
 #include <QComboBox>
 #include <QLabel>
 #include <QLayout>
 #include <QPushButton>
 #include <QScreen>
 #include <QStyleOption>
 #include <QTimer>
 
 #include <ktitlewidget.h>
 
 #include "ui_kpassworddialog.h"
 
 /** @internal */
 class KPasswordDialogPrivate
 {
 public:
     KPasswordDialogPrivate(KPasswordDialog *qq)
         : q(qq)
     {
     }
 
     void actuallyAccept();
     void activated(const QString &userName);
 
     void updateFields();
     void init();
 
     KPasswordDialog *const q;
     Ui_KPasswordDialog ui;
     QMap<QString, QString> knownLogins;
     QComboBox *userEditCombo = nullptr;
     QIcon icon;
     KPasswordDialog::KPasswordDialogFlags m_flags;
     unsigned int commentRow = 0;
 };
 
 KPasswordDialog::KPasswordDialog(QWidget *parent, const KPasswordDialogFlags &flags)
     : QDialog(parent)
     , d(new KPasswordDialogPrivate(this))
 {
     setWindowTitle(tr("Password", "@title:window"));
     setWindowIcon(QIcon::fromTheme(QStringLiteral("dialog-password"), windowIcon()));
     d->m_flags = flags;
     d->init();
 }
 
 KPasswordDialog::~KPasswordDialog() = default;
 
 void KPasswordDialogPrivate::updateFields()
 {
     if (m_flags & KPasswordDialog::UsernameReadOnly) {
         ui.userEdit->setReadOnly(true);
         ui.credentialsGroup->setFocusProxy(ui.passEdit);
     }
     ui.domainEdit->setReadOnly((m_flags & KPasswordDialog::DomainReadOnly));
     ui.credentialsGroup->setEnabled(!q->anonymousMode());
 }
 
 void KPasswordDialogPrivate::init()
 {
     ui.setupUi(q);
     ui.buttonBox->setStandardButtons(QDialogButtonBox::Ok | QDialogButtonBox::Cancel);
     ui.errorMessage->setHidden(true);
 
     ui.userEditContextHelpButton->hide();
     ui.userEditContextHelpButton->setFlat(true);
     ui.userEditContextHelpButton->setIcon(QIcon::fromTheme(QStringLiteral("help-contextual")));
     ui.userEditContextHelpButton->setText(QString());
     const QString description = QApplication::translate("KPasswordDialog", "Show Contextual Help");
     ui.userEditContextHelpButton->setAccessibleName(description);
     ui.userEditContextHelpButton->setToolTip(description);
     QObject::connect(ui.userEditContextHelpButton, &QPushButton::released, q, [this] {
         QEvent ev(QEvent::WhatsThis);
         qApp->sendEvent(ui.userEdit, &ev);
     });
 
     // Row 4: Username field
     if (m_flags & KPasswordDialog::ShowUsernameLine) {
         ui.userEdit->setFocus();
         ui.credentialsGroup->setFocusProxy(ui.userEdit);
         QObject::connect(ui.userEdit, &QLineEdit::returnPressed, ui.passEdit, qOverload<>(&QWidget::setFocus));
     } else {
         ui.userNameLabel->hide();
         ui.userEdit->hide();
         ui.domainLabel->hide();
         ui.domainEdit->hide();
         ui.passEdit->setFocus();
         ui.credentialsGroup->setFocusProxy(ui.passEdit);
         ui.prompt->setText(QApplication::translate("KPasswordDialog", "Supply a password below."));
     }
 
     if (!(m_flags & KPasswordDialog::ShowAnonymousLoginCheckBox)) {
         ui.anonymousRadioButton->hide();
         ui.usePasswordButton->hide();
     }
 
     if (!(m_flags & KPasswordDialog::ShowDomainLine)) {
         ui.domainLabel->hide();
         ui.domainEdit->hide();
     }
 
     if (!(m_flags & KPasswordDialog::ShowKeepPassword)) {
         ui.keepCheckBox->hide();
     }
 
     updateFields();
 
     QRect desktop = q->topLevelWidget()->screen()->geometry();
     q->setMinimumWidth(qMin(1000, qMax(q->sizeHint().width(), desktop.width() / 4)));
     q->setIcon(QIcon::fromTheme(QStringLiteral("dialog-password")));
 }
 
 void KPasswordDialog::setIcon(const QIcon &icon)
 {
     d->icon = icon;
 
     QStyleOption option;
     option.initFrom(this);
     const int iconSize = style()->pixelMetric(QStyle::PM_MessageBoxIconSize, &option, this);
     d->ui.pixmapLabel->setPixmap(icon.pixmap(iconSize));
 }
 
 QIcon KPasswordDialog::icon() const
 {
     return d->icon;
 }
 
 void KPasswordDialog::setUsername(const QString &user)
 {
     d->ui.userEdit->setText(user);
     if (user.isEmpty()) {
         return;
     }
 
     d->activated(user);
     if (d->ui.userEdit->isVisibleTo(this)) {
         d->ui.passEdit->setFocus();
     }
 }
 
 QString KPasswordDialog::username() const
 {
     return d->ui.userEdit->text();
 }
 
 QString KPasswordDialog::password() const
 {
     return d->ui.passEdit->password();
 }
 
 void KPasswordDialog::setDomain(const QString &domain)
 {
     d->ui.domainEdit->setText(domain);
 }
 
 QString KPasswordDialog::domain() const
 {
     return d->ui.domainEdit->text();
 }
 
 void KPasswordDialog::setAnonymousMode(bool anonymous)
 {
     if (anonymous && !(d->m_flags & KPasswordDialog::ShowAnonymousLoginCheckBox)) {
         // This is an error case, but we can at least let user see what's about
         // to happen if they proceed.
         d->ui.anonymousRadioButton->setVisible(true);
 
         d->ui.usePasswordButton->setVisible(true);
         d->ui.usePasswordButton->setEnabled(false);
     }
 
     d->ui.anonymousRadioButton->setChecked(anonymous);
 }
 
 bool KPasswordDialog::anonymousMode() const
 {
     return d->ui.anonymousRadioButton->isChecked();
 }
 
 void KPasswordDialog::setKeepPassword(bool b)
 {
     d->ui.keepCheckBox->setChecked(b);
 }
 
 bool KPasswordDialog::keepPassword() const
 {
     return d->ui.keepCheckBox->isChecked();
 }
 
 void KPasswordDialog::addCommentLine(const QString &label, const QString &comment)
 {
     int gridMarginLeft;
     int gridMarginTop;
     int gridMarginRight;
     int gridMarginBottom;
     d->ui.formLayout->getContentsMargins(&gridMarginLeft, &gridMarginTop, &gridMarginRight, &gridMarginBottom);
 
     int spacing = d->ui.formLayout->horizontalSpacing();
     if (spacing < 0) {
         // same inter-column spacing for all rows, see comment in qformlayout.cpp
         spacing = style()->combinedLayoutSpacing(QSizePolicy::Label, QSizePolicy::LineEdit, Qt::Horizontal, nullptr, this);
     }
 
     QLabel *c = new QLabel(comment, this);
     c->setWordWrap(true);
     c->setTextInteractionFlags(Qt::TextBrowserInteraction);
 
     d->ui.formLayout->insertRow(d->commentRow, label, c);
     ++d->commentRow;
 
     // cycle through column 0 widgets and see the max width so we can set the minimum height of
     // column 2 wordwrapable labels
     int firstColumnWidth = 0;
     for (int i = 0; i < d->ui.formLayout->rowCount(); ++i) {
         QLayoutItem *li = d->ui.formLayout->itemAt(i, QFormLayout::LabelRole);
         if (li) {
             QWidget *w = li->widget();
             if (w && !w->isHidden()) {
                 firstColumnWidth = qMax(firstColumnWidth, w->sizeHint().width());
             }
         }
     }
     for (int i = 0; i < d->ui.formLayout->rowCount(); ++i) {
         QLayoutItem *li = d->ui.formLayout->itemAt(i, QFormLayout::FieldRole);
         if (li) {
             QLabel *l = qobject_cast<QLabel *>(li->widget());
             if (l && l->wordWrap()) {
                 auto *style = this->style();
                 const int leftMargin = style->pixelMetric(QStyle::PM_LayoutLeftMargin);
                 const int rightMargin = style->pixelMetric(QStyle::PM_LayoutRightMargin);
                 int w = sizeHint().width() - firstColumnWidth - leftMargin - rightMargin - gridMarginLeft - gridMarginRight - spacing;
                 l->setMinimumSize(w, l->heightForWidth(w));
             }
         }
     }
 }
 
 void KPasswordDialog::showErrorMessage(const QString &message, const ErrorType type)
 {
     d->ui.errorMessage->setText(message, KTitleWidget::ErrorMessage);
 
     QFont bold = font();
     bold.setBold(true);
     switch (type) {
     case PasswordError:
         d->ui.passwordLabel->setFont(bold);
         d->ui.passEdit->clear();
         d->ui.passEdit->setFocus();
         break;
     case UsernameError:
         if (d->ui.userEdit->isVisibleTo(this)) {
             d->ui.userNameLabel->setFont(bold);
             d->ui.userEdit->setFocus();
         }
         break;
     case DomainError:
         if (d->ui.domainEdit->isVisibleTo(this)) {
             d->ui.domainLabel->setFont(bold);
             d->ui.domainEdit->setFocus();
         }
         break;
     case FatalError:
         d->ui.userNameLabel->setEnabled(false);
         d->ui.userEdit->setEnabled(false);
         d->ui.passwordLabel->setEnabled(false);
         d->ui.passEdit->setEnabled(false);
         d->ui.keepCheckBox->setEnabled(false);
         d->ui.buttonBox->button(QDialogButtonBox::Ok)->setEnabled(false);
         break;
     default:
         break;
     }
     adjustSize();
 }
 
 void KPasswordDialog::setPrompt(const QString &prompt)
 {
     d->ui.prompt->setText(prompt);
     d->ui.prompt->setWordWrap(true);
     auto *style = this->style();
     const int leftMarginHint = style->pixelMetric(QStyle::PM_LayoutLeftMargin);
     const int rightMarginHint = style->pixelMetric(QStyle::PM_LayoutRightMargin);
     d->ui.prompt->setMinimumHeight(d->ui.prompt->heightForWidth(width() - leftMarginHint - rightMarginHint));
 }
 
 QString KPasswordDialog::prompt() const
 {
     return d->ui.prompt->text();
 }
 
 void KPasswordDialog::setPassword(const QString &p)
 {
     d->ui.passEdit->setPassword(p);
 }
 
 void KPasswordDialog::setUsernameReadOnly(bool readOnly)
 {
     d->ui.userEdit->setReadOnly(readOnly);
 
     if (readOnly && d->ui.userEdit->hasFocus()) {
         d->ui.passEdit->setFocus();
     }
 }
 
 void KPasswordDialog::setKnownLogins(const QMap<QString, QString> &knownLogins)
 {
     const int nr = knownLogins.count();
     if (nr == 0) {
         return;
     }
 
     if (nr == 1) {
         d->ui.userEdit->setText(knownLogins.begin().key());
         setPassword(knownLogins.begin().value());
         return;
     }
 
     Q_ASSERT(!d->ui.userEdit->isReadOnly());
     if (!d->userEditCombo) {
         int row = -1;
         QFormLayout::ItemRole userEditRole = QFormLayout::FieldRole;
 
         d->ui.formLayout->getWidgetPosition(d->ui.userEdit, &row, &userEditRole);
         d->ui.formLayout->removeWidget(d->ui.userEdit);
         delete d->ui.userEdit;
         d->userEditCombo = new QComboBox(d->ui.credentialsGroup);
         d->userEditCombo->setEditable(true);
         d->ui.userEdit = d->userEditCombo->lineEdit();
         d->ui.userNameLabel->setBuddy(d->userEditCombo);
         d->ui.formLayout->setWidget(row > -1 ? row : 0, userEditRole, d->userEditCombo);
 
         setTabOrder(d->ui.userEdit, d->ui.anonymousRadioButton);
         setTabOrder(d->ui.anonymousRadioButton, d->ui.domainEdit);
         setTabOrder(d->ui.domainEdit, d->ui.passEdit);
         setTabOrder(d->ui.passEdit, d->ui.keepCheckBox);
         connect(d->ui.userEdit, &QLineEdit::returnPressed, d->ui.passEdit, qOverload<>(&QWidget::setFocus));
     }
 
     d->knownLogins = knownLogins;
     d->userEditCombo->addItems(knownLogins.keys());
     d->userEditCombo->setFocus();
 
     connect(d->userEditCombo, &QComboBox::textActivated, this, [this](const QString &text) {
         d->activated(text);
     });
 }
 
 #if KWIDGETSADDONS_ENABLE_DEPRECATED_SINCE(6, 0)
 #pragma GCC diagnostic push
 #pragma GCC diagnostic ignored "-Wdeprecated-declarations"
 void KPasswordDialog::setRevealPasswordAvailable(bool reveal)
 {
     d->ui.passEdit->setRevealPasswordAvailable(reveal);
 }
 
 bool KPasswordDialog::isRevealPasswordAvailable() const
 {
     return d->ui.passEdit->isRevealPasswordAvailable();
 }
 #pragma GCC diagnostic pop
 #endif
 
 KPassword::RevealMode KPasswordDialog::revealPasswordMode() const
 {
     return d->ui.passEdit->revealPasswordMode();
 }
 
 void KPasswordDialog::setRevealPasswordMode(KPassword::RevealMode revealPasswordMode)
 {
     d->ui.passEdit->setRevealPasswordMode(revealPasswordMode);
 }
 
 void KPasswordDialogPrivate::activated(const QString &userName)
 {
     QMap<QString, QString>::ConstIterator it = knownLogins.constFind(userName);
     if (it != knownLogins.constEnd()) {
         q->setPassword(it.value());
     }
 }
 
 void KPasswordDialog::accept()
 {
     if (!d->ui.errorMessage->isHidden()) {
         d->ui.errorMessage->setText(QString());
     }
 
     // reset the font in case we had an error previously
     if (!d->ui.passwordLabel->isHidden()) {
         d->ui.passwordLabel->setFont(font());
         d->ui.userNameLabel->setFont(font());
     }
 
     // we do this to allow the error message, if any, to go away
     // checkPassword() may block for a period of time
     QTimer::singleShot(0, this, [this] {
         d->actuallyAccept();
     });
 }
 
 void KPasswordDialogPrivate::actuallyAccept()
 {
     if (!q->checkPassword()) {
         return;
     }
 
     bool keep = ui.keepCheckBox->isVisibleTo(q) && ui.keepCheckBox->isChecked();
     Q_EMIT q->gotPassword(q->password(), keep);
 
     if (ui.userEdit->isVisibleTo(q)) {
         Q_EMIT q->gotUsernameAndPassword(q->username(), q->password(), keep);
     }
 
     q->QDialog::accept();
 }
 
 bool KPasswordDialog::checkPassword()
 {
     return true;
 }
 
 QDialogButtonBox *KPasswordDialog::buttonBox() const
 {
     return d->ui.buttonBox;
 }
 
 void KPasswordDialog::setUsernameContextHelp(const QString &help)
 {
     d->ui.userEditContextHelpButton->setVisible(true);
     d->ui.userEdit->setWhatsThis(help);
 }
 
 #include "moc_kpassworddialog.cpp"