focus_manager.hpp

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#ifndef NEFORCE_TUI_FOCUS_MANAGER_HPP__
#define NEFORCE_TUI_FOCUS_MANAGER_HPP__

 
#include "NeForce/tui/component/component.hpp"
NEFORCE_BEGIN_NAMESPACE__
NEFORCE_BEGIN_TUI__


class NEFORCE_API focus_manager {
public:
    focus_manager() = default;

    void rebuild_chain(component_base* root);

    void set_focus(component_base* comp);

    void focus_next();

    void focus_prev();

    NEFORCE_NODISCARD component_base* focused() const noexcept { return focused_; }

    NEFORCE_NODISCARD const vector<component_base*>& chain() const noexcept { return focus_chain_; }

    void mark_chain_dirty() noexcept { chain_dirty_ = true; }

    NEFORCE_NODISCARD bool is_chain_dirty() const noexcept { return chain_dirty_; }
 
private:
    component_base* focused_ = nullptr;
    vector<component_base*> focus_chain_;
    bool chain_dirty_ = true;
};
 // TUI
 
NEFORCE_END_TUI__
NEFORCE_END_NAMESPACE__
#endif // NEFORCE_TUI_FOCUS_MANAGER_HPP__