mirror of
https://github.com/ArthurSonzogni/FTXUI.git
synced 2024-10-31 16:27:30 +08:00
104 lines
2.8 KiB
C++
104 lines
2.8 KiB
C++
#ifndef FTXUI_COMPONENT_EVENT_HPP
|
|
#define FTXUI_COMPONENT_EVENT_HPP
|
|
|
|
#include <ftxui/component/mouse.hpp> // for Mouse
|
|
#include <string> // for string, operator==
|
|
#include <vector>
|
|
|
|
namespace ftxui {
|
|
|
|
class ScreenInteractive;
|
|
class Component;
|
|
|
|
/// @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(char);
|
|
static Event Character(wchar_t);
|
|
|
|
static Event Character(std::string);
|
|
static Event Special(std::string);
|
|
static Event Mouse(std::string, Mouse mouse);
|
|
static Event CursorReporting(std::string, int x, int y);
|
|
|
|
// --- Arrow ---
|
|
static const Event ArrowLeft;
|
|
static const Event ArrowRight;
|
|
static const Event ArrowUp;
|
|
static const Event ArrowDown;
|
|
|
|
// --- 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;
|
|
|
|
// --- Custom ---
|
|
static Event Custom;
|
|
|
|
//--- Method section ---------------------------------------------------------
|
|
bool is_character() const { return type_ == Type::Character; }
|
|
wchar_t character() const { return character_; }
|
|
|
|
bool is_mouse() const { return type_ == Type::Mouse; }
|
|
struct Mouse& mouse() {
|
|
return mouse_;
|
|
}
|
|
|
|
bool is_cursor_reporting() const { return type_ == Type::CursorReporting; }
|
|
int cursor_x() const { return cursor_.x; }
|
|
int cursor_y() const { return cursor_.y; }
|
|
|
|
const std::string& input() const { return input_; }
|
|
|
|
bool operator==(const Event& other) const { return input_ == other.input_; }
|
|
|
|
//--- State section ----------------------------------------------------------
|
|
private:
|
|
friend Component;
|
|
friend ScreenInteractive;
|
|
enum class Type {
|
|
Unknown,
|
|
Character,
|
|
Mouse,
|
|
CursorReporting,
|
|
};
|
|
Type type_ = Type::Unknown;
|
|
|
|
struct Cursor {
|
|
int x;
|
|
int y;
|
|
};
|
|
|
|
union {
|
|
wchar_t character_ = U'?';
|
|
struct Mouse mouse_;
|
|
struct Cursor cursor_;
|
|
};
|
|
std::string input_;
|
|
|
|
ScreenInteractive* screen_ = nullptr;
|
|
};
|
|
|
|
} // namespace ftxui
|
|
|
|
#endif /* end of include guard: FTXUI_COMPONENT_EVENT_HPP */
|
|
|
|
// 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.
|