qandroidplatformtheme.h

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// Copyright (C) 2012 BogDan Vatra <bogdan@kde.org>
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
 
#ifndef QANDROIDPLATFORMTHEME_H
#define QANDROIDPLATFORMTHEME_H
 
#include <qpa/qplatformtheme.h>
#include <QtGui/qfont.h>
#include <QtGui/qpalette.h>
#include <QtCore/qhash.h>
#include <QtCore/qbytearray.h>
#include <QtCore/qloggingcategory.h>
#include <QJsonObject>
 
#include <memory>
 
QT_BEGIN_NAMESPACE
 
Q_DECLARE_LOGGING_CATEGORY(lcQpaMenus)
 
struct AndroidStyle
{
    static QJsonObject loadStyleData();
    QJsonObject m_styleData;
    QPalette m_standardPalette;
    QHash<int, QPalette> m_palettes;
    QHash<int, QFont> m_fonts;
    QHash<QByteArray, QFont> m_QWidgetsFonts;
};
 
class QAndroidPlatformNativeInterface;
class QAndroidPlatformTheme: public QPlatformTheme
{
public:
    ~QAndroidPlatformTheme();
    void updateColorScheme();
    void updateStyle();
    QPlatformMenuBar *createPlatformMenuBar() const override;
    QPlatformMenu *createPlatformMenu() const override;
    QPlatformMenuItem *createPlatformMenuItem() const override;
    void showPlatformMenuBar() override;
    Qt::ColorScheme colorScheme() const override;
    Qt::ColorScheme colorSchemeOverride() const { return m_colorSchemeOverride; };
    void requestColorScheme(Qt::ColorScheme scheme) override;
    Qt::ContrastPreference contrastPreference() const override;
 
    const QPalette *palette(Palette type = SystemPalette) const override;
    const QFont *font(Font type = SystemFont) const override;
    QIconEngine *createIconEngine(const QString &iconName) const override;
    QVariant themeHint(ThemeHint hint) const override;
    QString standardButtonText(int button) const override;
    bool usePlatformNativeDialog(DialogType type) const override;
    QPlatformDialogHelper *createPlatformDialogHelper(DialogType type) const override;
 
    static QAndroidPlatformTheme *instance(
                    QAndroidPlatformNativeInterface * androidPlatformNativeInterface = nullptr);
    QIcon fileIcon(const QFileInfo &fileInfo, QPlatformTheme::IconOptions iconOptions) const override;
 
private:
    QAndroidPlatformTheme(QAndroidPlatformNativeInterface * androidPlatformNativeInterface);
    static QAndroidPlatformTheme * m_instance;
    std::shared_ptr<AndroidStyle> m_androidStyleData;
    QPalette m_defaultPalette;
    QFont m_systemFont;
    Qt::ColorScheme m_colorSchemeOverride = Qt::ColorScheme::Unknown;
};
 
QT_END_NAMESPACE
 
#endif // QANDROIDPLATFORMTHEME_H