pointer_event.h

/*
**  UICore
**  Copyright (c) 1997-2015 The UICore Team
**
**  This software is provided 'as-is', without any express or implied
**  warranty.  In no event will the authors be held liable for any damages
**  arising from the use of this software.
**
**  Permission is granted to anyone to use this software for any purpose,
**  including commercial applications, and to alter it and redistribute it
**  freely, subject to the following restrictions:
**
**  1. The origin of this software must not be misrepresented; you must not
**     claim that you wrote the original software. If you use this software
**     in a product, an acknowledgment in the product documentation would be
**     appreciated but is not required.
**  2. Altered source versions must be plainly marked as such, and must not be
**     misrepresented as being the original software.
**  3. This notice may not be removed or altered from any source distribution.
**
**  Note: Some of the libraries UICore may link to may have additional
**  requirements or restrictions.
**
**  File Author(s):
**
**    Magnus Norddahl
*/

#pragma once

#include "event.h"
#include "../../Core/Math/point.h"

namespace uicore
{
    enum class PointerButton
    {
        none,       
        left,       
        right,      
        middle,     
        wheel_up,   
        wheel_down, 
        xbutton1,   
        xbutton2,   
        xbutton3,   
        xbutton4,   
        xbutton5,   
        xbutton6    
    };

    enum class PointerEventType
    {
        none,              
        enter,             
        leave,             
        move,              
        press,             
        release,           
        double_click,      
        promixity_change   
    };

    class PointerEvent : public EventUI
    {
    public:
        PointerEvent(PointerEventType type, PointerButton button, const Pointf &pos, bool alt_down, bool shift_down, bool ctrl_down, bool cmd_down) :
            _type(type), _button(button), _pos(pos), _alt_down(alt_down), _shift_down(shift_down), _ctrl_down(ctrl_down), _cmd_down(cmd_down)
        {
        }

        PointerEventType type() const { return _type; }

        PointerButton button() const { return _button; }

        Pointf pos(View *view) const;
        Pointf pos(const std::shared_ptr<View> &view) const;

        void set_pos(View *view, const Pointf &pos);

        bool alt_down() const { return _alt_down; }

        bool shift_down() const { return _shift_down; }

        bool ctrl_down() const { return _ctrl_down; }

        bool cmd_down() const { return _cmd_down; }

    private:
        PointerEventType _type = PointerEventType::enter;
        PointerButton _button = PointerButton::none;
        Pointf _pos;
        bool _alt_down = false;
        bool _shift_down = false;
        bool _ctrl_down = false;
        bool _cmd_down = false;
    };
}