thememanager.h

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#ifndef THEMEMANAGER_H
#define THEMEMANAGER_H
 
#include <QObject>
#include <Qt>
 
namespace openswmmvis::ui {
 
struct ThemeColors;
 
class ThemeManager : public QObject
{
    Q_OBJECT
 
public:
    enum class Mode { System, Light, Dark };
    Q_ENUM(Mode)
 
    static ThemeManager *instance();
 
    Mode mode() const { return mMode; }
    void setMode(Mode mode);
 
    Qt::ColorScheme effectiveScheme() const;
 
    const ThemeColors &colors() const;
 
    void apply();
 
    static QString modeToString(Mode mode);
    static Mode modeFromString(const QString &text);
 
signals:
    void themeChanged();
 
private:
    explicit ThemeManager(QObject *parent = nullptr);
 
    Mode mMode = Mode::System;
    Qt::ColorScheme mAppliedScheme = Qt::ColorScheme::Unknown;
};
 
}   // namespace openswmmvis::ui
 
#endif // THEMEMANAGER_H