FTXUI/include/ftxui/component/container.hpp
Shreyas Atre bd21cac2b6
Menu of components (#131)
Allow Container::Vertical and Container::Horizontal to have an
external selector, similar to Container::Tab.

This is useful for implementing a menu of menu.

Co-authored-by: ArthurSonzogni <sonzogniarthur@gmail.com>
2021-06-27 17:53:17 +02:00

62 lines
1.8 KiB
C++

#ifndef FTXUI_COMPONENT_CONTAINER_HPP
#define FTXUI_COMPONENT_CONTAINER_HPP
#include "ftxui/component/component.hpp" // for Component, Components
#include "ftxui/component/component_base.hpp" // for ComponentBase
#include "ftxui/component/event.hpp" // for Event
#include "ftxui/dom/elements.hpp" // for Element
namespace ftxui {
/// @brief A component where focus and events are automatically handled for you.
class ContainerBase : public ComponentBase {
public:
static Component Vertical();
static Component Vertical(Components children);
static Component Vertical(Components children, int* selector);
static Component Horizontal();
static Component Horizontal(Components children);
static Component Horizontal(Components children, int* selector);
static Component Tab(int* selector);
static Component Tab(Components children, int* selector);
~ContainerBase() override = default;
// Component override.
bool OnEvent(Event event) override;
Element Render() override;
Component ActiveChild() override;
virtual void SetActiveChild(ComponentBase*) override;
protected:
// Handlers
using EventHandler = bool (ContainerBase::*)(Event);
bool VerticalEvent(Event event);
bool HorizontalEvent(Event event);
bool TabEvent(Event) { return false; }
EventHandler event_handler_;
using RenderHandler = Element (ContainerBase::*)();
Element VerticalRender();
Element HorizontalRender();
Element TabRender();
RenderHandler render_handler_;
int selected_ = 0;
int* selector_ = nullptr;
bool is_tab_ = false;
private:
bool OnMouseEvent(Event event);
};
} // namespace ftxui
#endif /* end of include guard: FTXUI_COMPONENT_CONTAINER_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.