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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)
*/
#ifndef MYGUI_CONTROLLER_POSITION_H_
#define MYGUI_CONTROLLER_POSITION_H_
#include "MyGUI_Prerequest.h"
#include "MyGUI_Delegate.h"
#include "MyGUI_Types.h"
#include "MyGUI_WidgetDefines.h"
#include "MyGUI_ControllerItem.h"
namespace MyGUI
{
/** This controller used for smooth changing position of widget in time */
class MYGUI_EXPORT ControllerPosition : public ControllerItem
{
MYGUI_RTTI_DERIVED(ControllerPosition)
public:
using FrameAction = delegates::Delegate<const IntCoord&, const IntCoord&, IntCoord&, float>;
ControllerPosition();
void setCoord(const IntCoord& _destCoord);
void setSize(const IntSize& _destSize);
void setPosition(const IntPoint& _destPoint);
/**
* Set acceleration behavior, same as calling controller->setAction(MyGUI::newDelegate(chosen by value))
* @param _value could be one of
* "Linear" (default) @see action::linearMoveFunction
* "Inertional" @see action::inertionalMoveFunction
* "Accelerated" @see action::acceleratedMoveFunction<30>
* "Slowed" @see action::acceleratedMoveFunction<4>
* "Jump" @see action::jumpMoveFunction<5>
*/
void setFunction(std::string_view _value);
/**
@param _value seconds in which widget planned to reach destination coordinate
*/
void setTime(float _value);
/**
@param _value Delegate applied to widget every frame (see ControllerPosition::eventFrameAction)
*/
void setAction(FrameAction::IDelegate* _value);
bool addTime(Widget* _widget, float _time) override;
void prepareItem(Widget* _widget) override;
void setProperty(std::string_view _key, std::string_view _value) override;
private:
IntCoord mStartCoord;
IntCoord mDestCoord;
float mTime{1};
float mElapsedTime{0};
// controller changing position
bool mCalcPosition{false};
// controller changing size
bool mCalcSize{false};
/** Event : Every frame action while controller exist.\n
signature : void method(const IntRect& _startRect, const IntRect& _destRect, IntRect& _result, float _current_time)\n
@param _startRect start coordinate of widget
@param _destRect destination coordinate
@param _result resultRect
@param _current_time elapsed time (_current_time is real elapsed time divided by _time(see constructor) so _current_time == 1 mean that _time seconds elapsed)
*/
FrameAction eventFrameAction;
};
} // namespace MyGUI
#endif // MYGUI_CONTROLLER_POSITION_H_
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