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35 lines
1.0 KiB
C++
35 lines
1.0 KiB
C++
#pragma once
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#include <core/SharedPtr.h>
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#include <core/WeakPtr.h>
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class View;
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class InputProvider;
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/// @brief Class for managing focus.
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class FocusManager
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{
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public:
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/// @brief Focuses the given view.
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/// @param newFocus The view to focus.
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void Focus(const SharedPtr<View>& newFocus);
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/// @brief Clears the current focus.
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void Unfocus();
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/// @brief Updates the focus using the given input provider.
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/// @param inputProvider The input provider to use.
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void Update(const InputProvider& inputProvider);
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/// @brief Gets the currently focused view.
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/// @return A pointer to the view that is currently focused, or null if none.
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constexpr SharedPtr<View> GetCurrentFocus() const { return _currentFocus.Lock(); }
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/// @brief Checks whether the current focus lies inside the given view.
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/// @param view The view to check for.
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/// @return True if the current focus lies inside the given view, or false otherwise.
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bool IsFocusInside(const View* view) const;
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private:
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WeakPtr<View> _currentFocus;
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};
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