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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 <chrono>
#include <cstdint>
#include <string>
#include <variant>
namespace ricochet::tui {
struct ScreenSize
{
int rows { 0 };
int columns { 0 };
bool operator==( const ScreenSize& ) const = default;
};
struct CellPoint
{
int row { 0 };
int column { 0 };
};
struct Modifiers
{
bool shift { false };
bool control { false };
bool alt { false };
bool operator==( const Modifiers& ) const = default;
};
enum class KeyCode : std::uint8_t
{
Character,
Escape,
Enter,
Tab,
Backspace,
Delete,
Insert,
Left,
Right,
Up,
Down,
Home,
End,
PageUp,
PageDown,
Function,
Unsupported
};
struct Key
{
KeyCode code { KeyCode::Unsupported };
Modifiers modifiers {};
char32_t character { 0 };
unsigned int function { 0 };
};
struct TextInput
{ char32_t character { 0 }; };
struct Paste
{ std::u32string text {}; };
struct MouseButtons
{
bool left { false };
bool middle { false };
bool right { false };
};
struct Mouse
{
// Screen coordinates; the view router converts these to region-local coordinates.
CellPoint position {};
Modifiers modifiers {};
MouseButtons pressed {};
MouseButtons released {};
bool motion { false };
int wheel_steps { 0 }; // Positive scrolls down.
};
struct Resize
{ ScreenSize size {}; };
struct Tick
{ std::chrono::steady_clock::time_point now {}; };
enum class TerminalCloseReason : std::uint8_t
{
Disconnected,
TerminationSignal
};
struct TerminalClosed
{ TerminalCloseReason reason { TerminalCloseReason::Disconnected }; };
using InputEvent = std::variant<Key, TextInput, Paste, Mouse, Resize, Tick, TerminalClosed>;
} // namespace ricochet::tui
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