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59 lines
1.6 KiB
C++
59 lines
1.6 KiB
C++
#ifndef FTXUI_COMPONENT_MENU
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#define FTXUI_COMPONENT_MENU
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#include <functional> // for function
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#include <string> // for wstring
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#include <vector> // for vector
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#include "ftxui/component/component.hpp" // for Component
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#include "ftxui/component/component_base.hpp" // for ComponentBase
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#include "ftxui/dom/elements.hpp" // for Element, Decorator, operator|, bold, inverted, nothing
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#include "ftxui/screen/box.hpp" // for Box
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namespace ftxui {
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struct Event;
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/// @brief A list of items. The user can navigate through them.
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/// @ingroup component
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class MenuBase : public ComponentBase {
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public:
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// Access this interface from a Component
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static MenuBase* From(Component component);
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// Constructor.
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MenuBase(const std::vector<std::wstring>* entries, int* selected_);
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~MenuBase() override = default;
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// State.
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int focused = 0;
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Decorator normal_style = nothing;
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Decorator focused_style = inverted;
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Decorator selected_style = bold;
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Decorator selected_focused_style = focused_style | selected_style;
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// State update callback.
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std::function<void()> on_change = []() {};
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std::function<void()> on_enter = []() {};
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// Component implementation.
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Element Render() override;
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bool OnEvent(Event) override;
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protected:
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const std::vector<std::wstring>* const entries_;
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int* selected_ = 0;
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bool OnMouseEvent(Event);
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std::vector<Box> boxes_;
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};
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} // namespace ftxui
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#endif /* end of include guard: FTXUI_COMPONENT_MENU */
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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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