text_display_effect.h

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#ifndef CYBER_TEXT_DISPLAY_H
#define CYBER_TEXT_DISPLAY_H
 
#include <QWidget>
 
class QMediaPlaylist;
class QAudioOutput;
class QMediaPlayer;

class TextDisplayEffect final : public QWidget {
    Q_OBJECT
    Q_PROPERTY(int revealedChars READ GetRevealedChars WRITE SetRevealedChars)
    Q_PROPERTY(qreal glitchIntensity READ GetGlitchIntensity WRITE SetGlitchIntensity)
 
public:
    enum TypingSoundType {
        kSystemSound, 
        kUserSound 
    };
 
    Q_ENUM(TypingSoundType)
 
    
    explicit TextDisplayEffect(const QString &text, TypingSoundType sound_type = kUserSound, QWidget *parent = nullptr);

    ~TextDisplayEffect() override;

    void StartReveal();

    void SetText(const QString &new_text);

    int GetRevealedChars() const { return revealed_chars_; }

    void SetRevealedChars(int chars);

    qreal GetGlitchIntensity() const { return glitch_intensity_; }

    void SetGlitchIntensity(qreal intensity);

    void SetGlitchEffectEnabled(bool enabled);

    QSize sizeHint() const override;
 
signals:
    void fullTextRevealed();
 
protected:
    void paintEvent(QPaintEvent *event) override;

    void resizeEvent(QResizeEvent *event) override;

    void hideEvent(QHideEvent *event) override;
 
private slots:
    void HandleFullTextRevealed() const;

    void RevealNextChar();

    void RandomGlitch();

    void TriggerGlitch();
 
private:
    static QString RemoveHtml(const QString &html);

    void RecalculateHeight();

    QString full_text_;
    QString plain_text_;
    int revealed_chars_;
    qreal glitch_intensity_;
    bool is_fully_revealed_;
    QFont font_;
    QTimer *text_timer_;
    QTimer *glitch_timer_;
    bool has_been_fully_revealed_once_;
    QMediaPlayer *media_player_;
    QAudioOutput *audio_output_;
    QMediaPlaylist *playlist_;
    TypingSoundType sound_type_;
};
 
#endif // CYBER_TEXT_DISPLAY_H