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// Copyright (c) 2020, Justin Bronder
// Copied and modified from: https://github.com/jsbronder/sff
// SPDX-License-Identifier: BSD-3-Clause
#pragma once
#include <vterm.h>
#include <deque>
#include <future>
#include <memory>
#include <QFont>
#include <QTextLayout>
namespace Terminal::Internal {
class Scrollback
{
public:
class Line
{
public:
Line(int cols, const VTermScreenCell *cells);
Line(Line &&other) = default;
Line() = delete;
int cols() const { return m_cols; };
const VTermScreenCell *cell(int i) const;
const VTermScreenCell *cells() const { return &m_cells[0]; };
private:
int m_cols;
std::unique_ptr<VTermScreenCell[]> m_cells;
};
public:
Scrollback(size_t capacity);
Scrollback() = delete;
int capacity() const { return static_cast<int>(m_capacity); };
int size() const { return static_cast<int>(m_deque.size()); };
const Line &line(size_t index) const { return m_deque.at(index); };
const std::deque<Line> &lines() const { return m_deque; };
void emplace(int cols, const VTermScreenCell *cells);
void popto(int cols, VTermScreenCell *cells);
void clear();
private:
size_t m_capacity;
std::deque<Line> m_deque;
};
} // namespace Terminal::Internal
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