mirror of
https://github.com/ArthurSonzogni/FTXUI.git
synced 2025-05-06 09:13:48 +08:00
32 lines
730 B
C++
32 lines
730 B
C++
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#include "ftxui/component/component.hpp"
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#include "ftxui/component/component_base.hpp"
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#include "ftxui/component/event.hpp"
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namespace ftxui {
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Component Maybe(Component child, bool* show) {
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class Impl : public ComponentBase {
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public:
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Impl(bool* show): show_(show) {}
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private:
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Element Render() override {
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return *show_ ? ComponentBase::Render() : std::make_unique<Node>();
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}
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bool Focusable() const override {
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return *show_ && ComponentBase::Focusable();
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}
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bool OnEvent(Event event) override {
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return *show_ && ComponentBase::OnEvent(event);
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}
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bool* show_;
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};
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auto maybe = Make<Impl>(show);
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maybe->Add(std::move(child));
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return maybe;
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}
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} // namespace ftxui
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