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https://github.com/ArthurSonzogni/FTXUI.git
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81d79d311d
This allows developers to set child children component must be the currently active/focused one. This can be used to "control" where the focus is, without user interactions.
48 lines
1.2 KiB
C++
48 lines
1.2 KiB
C++
#ifndef FTXUI_COMPONENT_CONTAINER_HPP
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#define FTXUI_COMPONENT_CONTAINER_HPP
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#include "ftxui/component/component.hpp"
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namespace ftxui {
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/// @brief A component where focus and events are automatically handled for you.
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class Container : public Component {
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public:
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static Container Vertical();
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static Container Horizontal();
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static Container Tab(int* selector);
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~Container() override = default;
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// Component override.
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bool OnEvent(Event event) override;
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Element Render() override;
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Component* ActiveChild() override;
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virtual void SetActiveChild(Component*) override;
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protected:
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// Handlers
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using EventHandler = bool (Container::*)(Event);
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bool VerticalEvent(Event event);
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bool HorizontalEvent(Event event);
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bool TabEvent(Event) { return false; }
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EventHandler event_handler_;
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using RenderHandler = Element (Container::*)();
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Element VerticalRender();
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Element HorizontalRender();
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Element TabRender();
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RenderHandler render_handler_;
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int selected_ = 0;
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int* selector_ = nullptr;
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};
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} // namespace ftxui
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#endif /* end of include guard: FTXUI_COMPONENT_CONTAINER_HPP */
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// Copyright 2020 Arthur Sonzogni. All rights reserved.
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// Use of this source code is governed by the MIT license that can be found in
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// the LICENSE file.
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