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Make component more functionnal

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ArthurSonzogni
2021-05-09 20:32:27 +02:00
parent 9d15d1c275
commit 6d75cb2748
70 changed files with 2182 additions and 1769 deletions
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92
include/ftxui/component/component.hpp
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@@ -1,77 +1,45 @@
#ifndef FTXUI_COMPONENT_COMPONENT_HPP
#define FTXUI_COMPONENT_COMPONENT_HPP
#ifndef FTXUI_COMPONENT_HPP
#define FTXUI_COMPONENT_HPP
#include <memory> // for unique_ptr
#include <vector> // for vector
#include <functional> // for function
#include <memory> // for shared_ptr, make_shared
#include <string> // for wstring
#include <vector> // for vector
#include "ftxui/component/captured_mouse.hpp" // for CaptureMouse
#include "ftxui/dom/elements.hpp" // for Element
#include "ftxui/component/component_base.hpp"
namespace ftxui {
class Delegate;
class Focus;
struct Event;
class ComponentBase;
/// @brief It implement rendering itself as ftxui::Element. It implement
/// keyboard navigation by responding to ftxui::Event.
/// @ingroup component
class Component {
public:
// Constructor/Destructor.
Component() = default;
virtual ~Component();
using Component = std::shared_ptr<ComponentBase>;
using Components = std::vector<Component>;
// Component hierarchy.
Component* Parent();
void Add(Component* children);
template <class T, class... Args>
std::shared_ptr<T> Make(Args&&... args) {
return std::make_shared<T>(args...);
}
// Renders the component.
virtual Element Render();
Component Button(const std::wstring* label, std::function<void()> on_click);
Component Checkbox(const std::wstring* label, bool* checked);
Component Input(std::wstring* content, const std::wstring* placeholder);
Component Menu(const std::vector<std::wstring>* entries, int* selected_);
Component Radiobox(const std::vector<std::wstring>* entries, int* selected_);
Component Toggle(const std::vector<std::wstring>* entries, int* selected);
// Handles an event.
// By default, reduce on children with a lazy OR.
//
// Returns whether the event was handled or not.
virtual bool OnEvent(Event);
template <class T> // T = {int, float}
Component Slider(std::wstring label, T* value, T min, T max, T increment);
// Focus management ----------------------------------------------------------
//
// If this component contains children, this indicates which one is active,
// nullptr if none is active.
//
// We say an element has the focus if the chain of ActiveChild() from the
// root component contains this object.
virtual Component* ActiveChild();
// namespace Component {
// Component Vertical(Components children);
// Component Horizontal(Components children);
// Component Tab(int* selector, Components children);
//} // namespace Component
// Whether this is the active child of its parent.
bool Active();
// Whether all the ancestors are active.
bool Focused();
}; // namespace ftxui
// Make the |child| to be the "active" one.
virtual void SetActiveChild(Component* child);
#endif /* end of include guard: FTXUI_COMPONENT_HPP */
// Configure all the ancestors to give focus to this component.
void TakeFocus();
protected:
CapturedMouse CaptureMouse(const Event& event);
std::vector<Component*> children_;
private:
Component* parent_ = nullptr;
void Detach();
void Attach(Component* parent);
};
using ComponentPtr = std::unique_ptr<Component>;
} // namespace ftxui
#endif /* end of include guard: FTXUI_COMPONENT_COMPONENT_HPP */
// Copyright 2020 Arthur Sonzogni. All rights reserved.
// Copyright 2021 Arthur Sonzogni. All rights reserved.
// Use of this source code is governed by the MIT license that can be found in
// the LICENSE file.