shader_banner_widget.h

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#ifndef SHADER_BANNER_WIDGET_H
#define SHADER_BANNER_WIDGET_H
 
#include <QElapsedTimer>
#include <QTimer>
#include <QWidget>
 
class BannerShaderConfig;
class QQuickWidget;
class GradientFallbackWidget;
class QStackedLayout;

class BannerHost : public QWidget
{
    Q_OBJECT
 
public:
    enum class Motif
    {
        Welcome,
        CardDatabase,
        Theming,
        Account,
        Preferences,
        Finish,
    };
 
    explicit BannerHost(QWidget *parent = nullptr);
 
    void setMotif(Motif motif);
 
protected:
    void showEvent(QShowEvent *event) override;
    void hideEvent(QHideEvent *event) override;
    void resizeEvent(QResizeEvent *event) override;
 
private slots:
    void tick();
    void onSceneGraphFailed();
 
private:
    struct Preset
    {
        qreal mode;
        qreal speed;
        qreal seed;
    };
 
    static Preset presetFor(Motif motif);
 
    void applyMotifPreset(Motif motif);
    void updateAspect();
    void activateFallback();
 
    QStackedLayout *stack;
    QQuickWidget *quickWidget = nullptr;
    BannerShaderConfig *config = nullptr;
    GradientFallbackWidget *fallback = nullptr;
 
    QTimer clock;
    QElapsedTimer elapsed;
    Motif currentMotif = Motif::Welcome;
    bool usingFallback = false;
    bool isFirstApply = true;
};
 
#endif // SHADER_BANNER_WIDGET_H