MyGUI_ActionController.cpp

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/*
 * This source file is part of MyGUI. For the latest info, see http://mygui.info/
 * Distributed under the MIT License
 * (See accompanying file COPYING.MIT or copy at http://opensource.org/licenses/MIT)
 */

#include "MyGUI_Precompiled.h"
#include "MyGUI_ActionController.h"
#include "MyGUI_Widget.h"
#include "MyGUI_WidgetManager.h"

namespace MyGUI
{

    namespace action
    {

        void actionWidgetHide(Widget* _widget, ControllerItem* _controller)
        {
            _widget->setVisible(false);
        }

        void actionWidgetShow(Widget* _widget, ControllerItem* _controller)
        {
            _widget->setVisible(true);
        }

        void actionWidgetDestroy(Widget* _widget, ControllerItem* _controller)
        {
            WidgetManager::getInstance().destroyWidget(_widget);
        }

        void linearMoveFunction(const IntCoord& _startRect, const IntCoord& _destRect, IntCoord& _result, float _k)
        {
            _result.set(
                _startRect.left   - int( float(_startRect.left   - _destRect.left)   * _k ),
                _startRect.top    - int( float(_startRect.top    - _destRect.top)    * _k ),
                _startRect.width  - int( float(_startRect.width  - _destRect.width)  * _k ),
                _startRect.height - int( float(_startRect.height - _destRect.height) * _k ));
        }

        void inertionalMoveFunction(const IntCoord& _startRect, const IntCoord& _destRect, IntCoord& _result, float _current_time)
        {
#ifndef M_PI
            const float M_PI = 3.141593f;
#endif
            float k = sin(M_PI * _current_time - M_PI / 2.0f);
            if (k < 0) k = (-pow(-k, 0.7f) + 1) / 2;
            else k = (pow(k, 0.7f) + 1) / 2;
            linearMoveFunction(_startRect, _destRect, _result, k);
        }

    } // namespace action

} // namespace MyGUI