mirror of
https://github.com/ArthurSonzogni/FTXUI.git
synced 2024-11-23 11:17:06 +08:00
121 lines
3.5 KiB
C++
121 lines
3.5 KiB
C++
// Copyright 2020 Arthur Sonzogni. All rights reserved.
|
|
// Use of this source code is governed by the MIT license that can be found in
|
|
// the LICENSE file.
|
|
#ifndef FTXUI_COMPONENT_EVENT_HPP
|
|
#define FTXUI_COMPONENT_EVENT_HPP
|
|
|
|
#include <ftxui/component/mouse.hpp> // for Mouse
|
|
#include <functional>
|
|
#include <string> // for string, operator==
|
|
#include <vector>
|
|
|
|
namespace ftxui {
|
|
|
|
class ScreenInteractive;
|
|
class ComponentBase;
|
|
|
|
/// @brief Represent an event. It can be key press event, a terminal resize, or
|
|
/// more ...
|
|
///
|
|
/// For example:
|
|
/// - Printable character can be created using Event::Character('a').
|
|
/// - Some special are predefined, like Event::ArrowLeft.
|
|
/// - One can find arbitrary code for special Events using:
|
|
/// ./example/util/print_key_press
|
|
/// For instance, CTLR+A maps to Event::Special({1});
|
|
///
|
|
/// Useful documentation about xterm specification:
|
|
/// https://invisible-island.net/xterm/ctlseqs/ctlseqs.html
|
|
struct Event {
|
|
// --- Constructor section ---------------------------------------------------
|
|
static Event Character(std::string);
|
|
static Event Character(char);
|
|
static Event Character(wchar_t);
|
|
static Event Special(std::string);
|
|
static Event Mouse(std::string, Mouse mouse);
|
|
static Event CursorPosition(std::string, int x, int y); // Internal
|
|
static Event CursorShape(std::string, int shape); // Internal
|
|
|
|
// --- Arrow ---
|
|
static const Event ArrowLeft;
|
|
static const Event ArrowRight;
|
|
static const Event ArrowUp;
|
|
static const Event ArrowDown;
|
|
|
|
static const Event ArrowLeftCtrl;
|
|
static const Event ArrowRightCtrl;
|
|
static const Event ArrowUpCtrl;
|
|
static const Event ArrowDownCtrl;
|
|
|
|
// --- Other ---
|
|
static const Event Backspace;
|
|
static const Event Delete;
|
|
static const Event Return;
|
|
static const Event Escape;
|
|
static const Event Tab;
|
|
static const Event TabReverse;
|
|
static const Event F1, F2, F3, F4, F5, F6, F7, F8, F9, F10, F11, F12;
|
|
|
|
static const Event Insert;
|
|
static const Event Home;
|
|
static const Event End;
|
|
|
|
static const Event PageUp;
|
|
static const Event PageDown;
|
|
|
|
// --- Custom ---
|
|
static const Event Custom;
|
|
|
|
//--- Method section ---------------------------------------------------------
|
|
bool operator==(const Event& other) const { return input_ == other.input_; }
|
|
bool operator!=(const Event& other) const { return !operator==(other); }
|
|
|
|
const std::string& input() const { return input_; }
|
|
|
|
bool is_character() const { return type_ == Type::Character; }
|
|
std::string character() const { return input_; }
|
|
|
|
bool is_mouse() const { return type_ == Type::Mouse; }
|
|
struct Mouse& mouse() { return data_.mouse; }
|
|
|
|
// --- Internal Method section -----------------------------------------------
|
|
bool is_cursor_position() const { return type_ == Type::CursorPosition; }
|
|
int cursor_x() const { return data_.cursor.x; }
|
|
int cursor_y() const { return data_.cursor.y; }
|
|
|
|
bool is_cursor_shape() const { return type_ == Type::CursorShape; }
|
|
int cursor_shape() const { return data_.cursor_shape; }
|
|
|
|
//--- State section ----------------------------------------------------------
|
|
ScreenInteractive* screen_ = nullptr;
|
|
|
|
private:
|
|
friend ComponentBase;
|
|
friend ScreenInteractive;
|
|
enum class Type {
|
|
Unknown,
|
|
Character,
|
|
Mouse,
|
|
CursorPosition,
|
|
CursorShape,
|
|
};
|
|
Type type_ = Type::Unknown;
|
|
|
|
struct Cursor {
|
|
int x = 0;
|
|
int y = 0;
|
|
};
|
|
|
|
union {
|
|
struct Mouse mouse;
|
|
struct Cursor cursor;
|
|
int cursor_shape;
|
|
} data_ = {};
|
|
|
|
std::string input_;
|
|
};
|
|
|
|
} // namespace ftxui
|
|
|
|
#endif /* end of include guard: FTXUI_COMPONENT_EVENT_HPP */
|