FTXUI/include/ftxui/component/input.hpp
2021-05-14 21:47:51 +02:00

54 lines
1.4 KiB
C++

#ifndef FTXUI_COMPONENT_INPUT_H_
#define FTXUI_COMPONENT_INPUT_H_
#include <functional> // for function
#include <string> // for wstring
#include "ftxui/component/component.hpp" // for Component
#include "ftxui/component/component_base.hpp" // for ComponentBase
#include "ftxui/dom/elements.hpp" // for Element
#include "ftxui/screen/box.hpp" // for Box
#include "ftxui/screen/string.hpp" // for ConstStringRef, StringRef
namespace ftxui {
struct Event;
/// @brief An input box. The user can type text into it.
/// @ingroup component.
class InputBase : public ComponentBase {
public:
// Access this interface from a Component
static InputBase* From(Component component);
// Constructor.
InputBase(StringRef content, ConstStringRef placeholder);
~InputBase() override = default;
// State.
int cursor_position = 0;
// State update callback.
std::function<void()> on_change = [] {};
std::function<void()> on_enter = [] {};
// Component implementation.
Element Render() override;
bool OnEvent(Event) override;
private:
StringRef content_;
ConstStringRef placeholder_;
bool OnMouseEvent(Event);
Box input_box_;
Box cursor_box_;
};
} // namespace ftxui
#endif /* end of include guard: FTXUI_COMPONENT_INPUT_H_ */
// 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.