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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 "qqstylekit_p.h"
#include "qqstylekitstyle_p.h"
#include "qqstylekittheme_p.h"
#include "qqstylekitreader_p.h"
#include <QtGui/QStyleHints>
QT_BEGIN_NAMESPACE
QPointer<QQStyleKitAttached> QQStyleKitAttached::s_instance;
bool QQStyleKitAttached::s_transitionsEnabled = true;
QQStyleKit::QQStyleKit(QObject *parent)
: QObject(parent)
{
}
QQStyleKitAttached *QQStyleKit::qmlAttachedProperties(QObject *obj)
{
/* QQStyleKitAttached is a singleton. It doesn't matter where it's
* used from in the application, it will always represent the same
* application global style and theme. */
if (!QQStyleKitAttached::s_instance)
QQStyleKitAttached::s_instance = new QQStyleKitAttached(QGuiApplication::instance());
if (!QQStyleKitAttached::s_instance->m_engine && obj)
QQStyleKitAttached::s_instance->m_engine = qmlEngine(obj);
return QQStyleKitAttached::s_instance.get();
}
QQStyleKitAttached::QQStyleKitAttached(QObject *parent)
: QObject(parent)
{
connect(QGuiApplication::styleHints(), &QStyleHints::colorSchemeChanged, this, [this](){
if (m_style)
m_style->recreateTheme();
});
}
QQStyleKitAttached::~QQStyleKitAttached()
{
QQStyleKitAttached::s_instance = nullptr;
if (m_ownsStyle) {
delete m_style;
m_style = nullptr;
}
}
QQStyleKitStyle *QQStyleKitAttached::style() const
{
return m_style;
}
void QQStyleKitAttached::setStyle(QQStyleKitStyle *style)
{
if (m_style == style)
return;
if (m_ownsStyle)
m_style->deleteLater();
m_style = style;
if (m_style && m_style->m_theme)
m_style->m_theme->updateQuickTheme();
if (m_style->loaded())
QQStyleKitReader::resetAll();
emit styleChanged();
}
QString QQStyleKitAttached::styleUrl() const
{
return m_styleUrl;
}
void QQStyleKitAttached::setStyleUrl(const QString &styleUrl)
{
if (m_styleUrl == styleUrl)
return;
m_styleUrl = styleUrl;
Q_ASSERT(m_engine);
QQmlComponent comp(m_engine, QUrl(styleUrl), this);
if (!comp.errors().isEmpty()) {
qmlWarning(this) << "Could not create a StyleKit style: " << comp.errorString();
return;
}
auto *style = qobject_cast<QQStyleKitStyle *>(comp.create());
if (!style) {
qmlWarning(this) << "Could not create a StyleKit style from url: " << styleUrl;
return;
}
style->componentComplete();
setStyle(style);
m_ownsStyle = true;
emit styleUrlChanged();
}
bool QQStyleKitAttached::transitionsEnabled() const
{
return s_transitionsEnabled;
}
void QQStyleKitAttached::setTransitionsEnabled(bool enabled)
{
if (enabled == s_transitionsEnabled)
return;
s_transitionsEnabled = enabled;
emit transitionsEnabledChanged();
}
QQStyleKitDebug *QQStyleKitAttached::debug() const
{
return &const_cast<QQStyleKitAttached *>(this)->m_debug;
}
bool QQStyleKitAttached::styleLoaded() const
{
return m_style && m_style->loaded();
}
QT_END_NAMESPACE
#include "moc_qqstylekit_p.cpp"
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