long_text_display_effect.h

Go to the documentation of this file.

#ifndef CYBER_LONG_TEXT_DISPLAY_H
#define CYBER_LONG_TEXT_DISPLAY_H
 
#include <QWidget>

class LongTextDisplayEffect final : public QWidget {
    Q_OBJECT
 
public:
    explicit LongTextDisplayEffect(QString text, const QColor &text_color, QWidget *parent = nullptr);

    void SetText(const QString &text);

    void SetTextColor(const QColor &color);

    [[nodiscard]] QSize sizeHint() const override;
 
    [[nodiscard]] QSize minimumSizeHint() const override;

    void SetScrollPosition(int position);
 
protected:
    void paintEvent(QPaintEvent *event) override;

    void resizeEvent(QResizeEvent *event) override;
 
private:
    void ProcessText();
 
signals:
    void contentHeightChanged(int new_height);
 
private:
    QString original_text_;
    QStringList processed_lines_;
    QColor text_color_;
    QFont font_;
    QSize size_hint_;
    int scroll_position_;
    bool cached_text_valid_;
    QTimer *update_timer_{};
};
 
#endif // CYBER_LONG_TEXT_DISPLAY_H