PrismLauncher/launcher/ui/widgets/LogView.h

#pragma once
#include <QAbstractItemView>
#include <QPlainTextEdit>

class QAbstractItemModel;

class LogView : public QPlainTextEdit {
    Q_OBJECT
   public:
    explicit LogView(QWidget* parent = nullptr);
    virtual ~LogView();

    virtual void setModel(QAbstractItemModel* model);
    QAbstractItemModel* model() const;

   public slots:
    void setWordWrap(bool wrapping);
    void findNext(const QString& what, bool reverse);
    void scrollToBottom();

   protected slots:
    void repopulate();
    // note: this supports only appending
    void rowsInserted(const QModelIndex& parent, int first, int last);
    void rowsAboutToBeInserted(const QModelIndex& parent, int first, int last);
    // note: this supports only removing from front
    void rowsRemoved(const QModelIndex& parent, int first, int last);
    void modelDestroyed(QObject* model);

   protected:
    QAbstractItemModel* m_model = nullptr;
    QTextCharFormat* m_defaultFormat = nullptr;
    bool m_scroll = false;
    bool m_scrolling = false;
};