mgl_keyboard_server.h

[詳解]

// SPDX-License-Identifier: Zlib
/* ------------------------------------------------------------------------- */
/* ------------------------------------------------------------------------- */
 
#ifndef INCGUARD_MGL_KEYBOARD_SERVER_H_1608985408
#define INCGUARD_MGL_KEYBOARD_SERVER_H_1608985408
 
#include <mgl/common/mgl_singleton.h>
#include <mgl/event/mgl_event.h>
#include <mgl/input/keyboard/mgl_keyboard_delegate.h>
#include <mgl/input/mgl_input_repeat.h>
 
namespace MGL
{
class InitializerDelegate;
}
 
namespace MGL::Input
{
class KeyboardServer final : public SharedSingleton<KeyboardServer>
{
public:
    static STL::unique_ptr<KeyboardServer> &GetInstanceRef() noexcept;
 
    KeyboardServer() noexcept;
 
    bool Initialize(STL::unique_ptr<KeyboardDelegate> &delegate) noexcept;
 
    /* ------------------------------------------------------------------------- */
    /* ------------------------------------------------------------------------- */
    [[nodiscard]] bool IsAvailable() const noexcept
    {
        return _delegate != nullptr;
    }
 
    [[nodiscard]] bool IsPressing(Keycode keycode) const noexcept;
    [[nodiscard]] bool IsTriggered(Keycode keycode) const noexcept;
    [[nodiscard]] bool IsReleased(Keycode keycode) const noexcept;
    [[nodiscard]] bool IsARepeat(Keycode keycode) const noexcept;
 
    /* ------------------------------------------------------------------------- */
    /* ------------------------------------------------------------------------- */
    constexpr void SetRepeatSetting(const RepeatSetting &repeatSetting) noexcept
    {
        _repeatSetting = repeatSetting;
    }
 
    /* ------------------------------------------------------------------------- */
    /* ------------------------------------------------------------------------- */
    [[nodiscard]] constexpr const RepeatSetting &GetRepeatSetting() const noexcept
    {
        return _repeatSetting;
    }
 
    /* ------------------------------------------------------------------------- */
    /* ------------------------------------------------------------------------- */
    [[nodiscard]] constexpr bool IsConnecting() const noexcept
    {
        return (_delegate != nullptr) ? _delegate->IsConnecting() : false;
    }
 
private:
    static void OnEventPreFrameUpdate(void *callbackArg, void *notifyArg);
 
    void UpdateModifierKeys() noexcept;
    void UpdateRepeatInput() noexcept;
 
    KeycodeArray _state;
    KeycodeArray _prevState;
    KeycodeArray _repeatState;
 
    STL::unique_ptr<KeyboardDelegate> _delegate;
 
    Event::Handle _eventPreFrameUpdate;
 
    RepeatSetting _repeatSetting;
    std::array<float, kKeycodeCount> _repeatTimerArray;
};
}    // namespace MGL::Input
#endif    // INCGUARD_MGL_KEYBOARD_SERVER_H_1608985408
 
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