File: dthememanager.h

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// SPDX-FileCopyrightText: 2015 - 2022 UnionTech Software Technology Co., Ltd.
//
// SPDX-License-Identifier: LGPL-3.0-or-later

#ifndef DTHEMEMANAGER_H
#define DTHEMEMANAGER_H

#include <dtkwidget_global.h>
#if DTK_VERSION < DTK_VERSION_CHECK(6, 0, 0, 0)

#include <QObject>
#include <QString>
#include <QGlobalStatic>
#include <DObject>

DWIDGET_BEGIN_NAMESPACE

class DThemeManagerPrivate;
class LIBDTKWIDGETSHARED_EXPORT D_DECL_DEPRECATED DThemeManager : public QObject, public DTK_CORE_NAMESPACE::DObject
{
    Q_OBJECT

public:
    static DThemeManager *instance();

    QString theme() const;
    QString theme(const QWidget *widget, QWidget **baseWidget = nullptr) const;
    void setTheme(const QString theme);
    void setTheme(QWidget *widget, const QString theme);

    QString getQssForWidget(const QString className, const QString &theme = QString()) const;
    QString getQssForWidget(const QWidget *widget) const;

    static void registerWidget(QWidget *widget, QStringList properties = QStringList());
    // TODO: use blow instead, the only thing should do is rebuilding
    // static void registerWidget(QWidget *widget, const QStringList &properties = QStringList());
    static void registerWidget(QWidget *widget, const QString &filename, const QStringList &properties = QStringList());

public Q_SLOTS:
    void updateQss();
    void updateThemeOnParentChanged(QWidget *widget);

Q_SIGNALS:
    void themeChanged(QString theme);
    void widgetThemeChanged(QWidget *widget, QString theme);

protected:
    DThemeManager();
    bool eventFilter(QObject *watched, QEvent *event) Q_DECL_OVERRIDE;

private:
    friend class DApplication;
    D_DECLARE_PRIVATE(DThemeManager)
};

DWIDGET_END_NAMESPACE

#endif // DTHEMEMANAGER_H

#endif