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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
#include "private/qaccessiblecolorwell_p.h"
QT_REQUIRE_CONFIG(accessibility);
#if QT_CONFIG(colordialog)
#include "private/qcolorwell_p.h"
QT_BEGIN_NAMESPACE
class QAccessibleColorWellItem : public QAccessibleInterface
{
QAccessibleColorWell *m_parent;
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 QObject::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)
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