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/*
* Ricochet - A minimalist CLI web browser for fast, distraction-free navigation.
* Copyright (C) 2026 Richard Qin
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
#pragma once
#include "ricochet/tui/position.hh"
#include <cstddef>
#include <cstdint>
#include <optional>
#include <string>
#include <vector>
namespace ricochet::tui {
enum class SelectionDirection : std::uint8_t
{
Forward,
Backward
};
struct SelectionSnapshot
{
// The normalized half-open range also covers any controls between its endpoints.
DocumentRange range {};
SelectionDirection direction { SelectionDirection::Forward };
// Inclusive endpoint units retain the anchor through reversal and history restore.
DocumentRange anchor {};
DocumentRange active {};
};
struct HorizontalScroll
{
BlockId block {};
std::size_t columns { 0 };
};
struct SearchSnapshot
{
std::string query {};
std::optional<DocumentRange> current_match {};
};
// All positions and ranges belong to scope and draft_revision.
// Editing sessions and control values (including passwords) are not exported here.
struct ViewSnapshot
{
DocumentScope scope {};
DraftRevision draft_revision {};
DisplayPosition cursor {};
DisplayPosition viewport_anchor {};
// Relative visual row for blank table space with no text at the exact top.
std::int64_t viewport_row_offset { 0 };
std::optional<SelectionSnapshot> selection {};
std::vector<HorizontalScroll> horizontal_scroll {};
SearchSnapshot search {};
};
} // namespace ricochet::tui
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