/*
 * Copyright © 2011-2020 Frictional Games
 * 
 * This file is part of Amnesia: A Machine For Pigs.
 * 
 * Amnesia: A Machine For Pigs is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version. 

 * Amnesia: A Machine For Pigs is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 * 
 * You should have received a copy of the GNU General Public License
 * along with Amnesia: A Machine For Pigs.  If not, see <https://www.gnu.org/licenses/>.
 */

#ifndef HPL_WIDGET_FRAME_H
#define HPL_WIDGET_FRAME_H

#include "gui/Widget.h"

namespace hpl {

	class cWidgetSlider;
	class cGuiSkinFont;

	class cWidgetFrame : public iWidget
	{
	public:
		cWidgetFrame(cGuiSet *apSet, cGuiSkin *apSkin, bool abHScrollBar=false, bool abVScrollBar=false);
		virtual ~cWidgetFrame();

		void SetDrawFrame(bool abX){ mbDrawFrame = abX;}
		bool GetDrawFrame(){ return mbDrawFrame;}
		
		void SetDrawBackground(bool abX){mbDrawBackground = abX;}
		bool GetDrawBackground(){ return mbDrawBackground;}
		
		void SetBackgroundZ(float afZ){mfBackgroundZ = afZ;}
		float GetBackgroundZ(){ return mfBackgroundZ;}

		void SetBackGroundColor(const cColor &aColor){ mBackGroundColor = aColor;}
		const cColor& GetBackGroundColor(){ return mBackGroundColor;}

		void OnAttachChild(iWidget* apChild);
		void OnRemoveChild(iWidget* apChild);

		void ScrollToPosition(const cVector2f& avPos);
		
	protected:
		/////////////////////////
		// Own functions
		bool OnSliderMove(iWidget* apWidget, const cGuiMessageData& aData);
		kGuiCallbackDeclarationEnd(OnSliderMove);

		/////////////////////////
		// Implemented functions
		void OnLoadGraphics();

		void OnInit();
		void OnChangeSize();

		void OnChildUpdate(iWidget* apChild);
		void OnUpdate(float afTimeStep);
		
		void OnDraw(float afTimeStep, cGuiClipRegion *apClipRegion);
		void OnDrawAfterClip(float afTimeStep, cGuiClipRegion *apClipRegion);

		bool OnMouseMove(const cGuiMessageData& aData);
		bool OnMouseDown(const cGuiMessageData& aData);
		bool OnMouseUp(const cGuiMessageData& aData);
		bool OnMouseEnter(const cGuiMessageData& aData);
		bool OnMouseLeave(const cGuiMessageData& aData);

		/////////////////////////
		// Data
		bool mbAutoScroll;
		bool mbHScrollBar, mbVScrollBar;
		bool mbDrawFrame;
		bool mbDrawBackground;
		float mfBackgroundZ;
		cColor mBackGroundColor;

		cGuiGfxElement *mpGfxBackground;
		
		cGuiGfxElement *mvGfxBorders[4];
		cGuiGfxElement *mvGfxCorners[4];

		cVector3f mvMinWidgetCoord;
		cVector3f mvMaxWidgetCoord;

		cWidgetSlider* mpHSlider;
		cWidgetSlider* mpVSlider;
		
		bool mbScrollBarsNeedUpdate;
		bool mbScrollUpdated;

		cVector2f mvAutoScrollMargin;
	};

};
#endif // HPL_WIDGET_FRAME_H
