qaccessiblecolorwell.cpp

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// Copyright (C) 2025 The Qt Company Ltd.

// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only

// Qt-Security score:significant reason:default

#include "private/qaccessiblecolorwell_p.h"

#include <QtCore/qcoreapplication.h>

QT_REQUIRE_CONFIG(accessibility);

#if QT_CONFIG(colordialog)

#include "private/qcolorwell_p.h"

QT_BEGIN_NAMESPACE

class QAccessibleColorWellItem : public QAccessibleInterface

    QAccessibleColorWell *m_parent;

    Q_DECLARE_TR_FUNCTIONS(QAccessibleColorWellItem)

public:

    QAccessibleColorWellItem(QAccessibleColorWell *parent);

    virtual bool isValid() const override;

    virtual QObject *object() const override;

    virtual QAccessibleInterface *parent() const override;

    virtual QAccessibleInterface *child(int index) const override;

    virtual QAccessibleInterface *childAt(int x, int y) const override;

    virtual int childCount() const override;

    virtual int indexOfChild(const QAccessibleInterface *) const override;

    virtual QString text(QAccessible::Text t) const override;

    virtual void setText(QAccessible::Text t, const QString &text) override;

    virtual QRect rect() const override;

    virtual QAccessible::Role role() const override;

    virtual QAccessible::State state() const override;

};

QAccessibleColorWellItem::QAccessibleColorWellItem(QAccessibleColorWell *parent)

    : m_parent(parent)

bool QAccessibleColorWellItem::isValid() const

    return m_parent->isValid();

QObject *QAccessibleColorWellItem::object() const

    return nullptr;

QAccessibleInterface *QAccessibleColorWellItem::parent() const

    return m_parent;

QAccessibleInterface *QAccessibleColorWellItem::child(int) const

    return nullptr;

QAccessibleInterface *QAccessibleColorWellItem::childAt(int, int) const

    return nullptr;

int QAccessibleColorWellItem::childCount() const

    return 0;

int QAccessibleColorWellItem::indexOfChild(const QAccessibleInterface *) const

    return -1;

QString QAccessibleColorWellItem::text(QAccessible::Text t) const

    if (t == QAccessible::Name) {

        QRgb color = m_parent->colorWell()->rgbValues()[m_parent->indexOfChild(this)];

        //: Color specified via its 3 RGB components (red, green, blue)

        return tr("RGB %1, %2, %3")

                .arg(QString::number(qRed(color)), QString::number(qGreen(color)),

                     QString::number(qBlue(color)));

    return QString();

void QAccessibleColorWellItem::setText(QAccessible::Text, const QString &) { }

QRect QAccessibleColorWellItem::rect() const

    const QColorWell *well = m_parent->colorWell();

    const int childIndex = m_parent->indexOfChild(this);

    // QColorWell layout is column-based, i.e. color indices 0 to QColorWell::numRows() - 1

    // are in first column, see QColorWell::paintCellContents

    const int col = childIndex / well->numRows();

    const int row = childIndex % well->numRows();

    return m_parent->colorWell()->cellGeometry(row, col).translated(m_parent->rect().topLeft());

QAccessible::Role QAccessibleColorWellItem::role() const

    return QAccessible::ListItem;

QAccessible::State QAccessibleColorWellItem::state() const

    QAccessible::State state;

    state.invisible = m_parent->state().invisible;

    state.focusable = true;

    const int childIndex = m_parent->indexOfChild(this);

    Q_ASSERT(childIndex >= 0);

    QColorWell *well = m_parent->colorWell();

    if (well->hasFocus() && well->index(well->currentRow(), well->currentColumn()) == childIndex)

        state.focused = true;

    state.selectable = true;

    if (well->index(well->selectedRow(), well->selectedColumn() == childIndex))

        state.selected = true;

    return state;

QAccessibleColorWell::QAccessibleColorWell(QWidget *widget)

    : QAccessibleWidgetV2(widget, QAccessible::List)

    m_childIds.resize(childCount());

QAccessibleColorWell::~QAccessibleColorWell()

    for (const std::optional<QAccessible::Id> &childId : m_childIds) {

        if (childId.has_value())

            QAccessible::deleteAccessibleInterface(childId.value());

QAccessibleInterface *QAccessibleColorWell::child(int index) const

    if (index < 0 || static_cast<size_t>(index) >= m_childIds.size())

        return nullptr;

    std::optional<QAccessible::Id> childId = m_childIds.at(index);

    if (childId.has_value())

        return QAccessible::accessibleInterface(childId.value());

    QAccessibleInterface *child =

            new QAccessibleColorWellItem(const_cast<QAccessibleColorWell *>(this));

    const QAccessible::Id id = QAccessible::registerAccessibleInterface(child);

    m_childIds[index] = id;

    return child;

int QAccessibleColorWell::indexOfChild(const QAccessibleInterface *child) const

    auto it = std::find_if(m_childIds.cbegin(), m_childIds.cend(),

                           [child](const std::optional<QAccessible::Id> &id) {

                               return id.has_value()

                                       && QAccessible::accessibleInterface(id.value()) == child;

});

    if (it != m_childIds.cend())

        return std::distance(m_childIds.cbegin(), it);

    return -1;

int QAccessibleColorWell::childCount() const

    const QColorWell *well = colorWell();

    return well->numCols() * well->numRows();

QColorWell *QAccessibleColorWell::colorWell() const

    return qobject_cast<QColorWell *>(object());

QT_END_NAMESPACE

#endif // QT_CONFIG(colordialog)