Event.hpp

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#pragma once

#include <cstdint>
#include <vector>

#include <lug/Window/Export.hpp>
#include <lug/Window/Keyboard.hpp>
#include <lug/Window/Mouse.hpp>
#include <lug/Math/Vector.hpp>

namespace lug {
namespace Window {

struct LUG_WINDOW_API KeyEvent {
    Keyboard::Key code; 
    bool alt;           
    bool ctrl;          
    bool shift;         
    bool system;        
};

struct LUG_WINDOW_API MouseEvent {

    union {
        Mouse::Button code; 

        struct {
            double xOffset;
            double yOffset;
        } scrollOffset;     
    };

    struct {
        int32_t x;
        int32_t y;
    } coord;        

    bool ctrl;      
    bool shift;     
    bool left;      
    bool right;     
    bool middle;    
    bool x1;        
    bool x2;        
};

struct LUG_WINDOW_API GamePadEvent {
    lug::Math::Vec2f axisLeft;
    lug::Math::Vec2f axisRight;
};

struct LUG_WINDOW_API TouchScreenEvent {
    lug::Math::Vec2f coordinates[2]; 

    enum class LUG_WINDOW_API GestureState : int32_t  {
        None = 0,
        Start = 1,
        Move = 2,
        End = 4,
        Action = Start | End,
   };

   GestureState state;
   bool drag;
   bool pinch;      
   bool doubleTap;  
};

struct LUG_WINDOW_API CharEvent {
    wchar_t val;        
};

struct LUG_WINDOW_API Event {
    enum class LUG_WINDOW_API Type : uint32_t {
        Close,          
        Destroy,        
        Resize,         
        KeyPressed,     
        KeyReleased,    
        CharEntered,    
        ButtonPressed,  
        ButtonReleased, 
        MouseMoved,     
        MouseWheel,     
        MouseLeave,     
        MouseEnter,     
        GamePadChange,
        TouchScreenChange
    };

    Type type;          

    union {
        KeyEvent key;           
        CharEvent character;    
        MouseEvent mouse;      
        GamePadEvent gamePad;
        TouchScreenEvent touchScreen;
    };
};

} // Window
} // lug