/*
**	Command & Conquer Renegade(tm)
**	Copyright 2025 Electronic Arts Inc.
**
**	This program 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.
**
**	This program 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 this program.  If not, see <http://www.gnu.org/licenses/>.
*/

#ifndef __IMECANDIDATECTRL_H__
#define __IMECANDIDATECTRL_H__

#include "DialogControl.h"
#include "ScrollBarCtrl.h"
#include "Render2D.h"
#include "Render2DSentence.h"
#include "Vector.h"

namespace IME
{
class IMECandidate;
}

class IMECandidateCtrl :
		public DialogControlClass
	{
	public:
		IMECandidateCtrl();
		virtual ~IMECandidateCtrl();

		void Init(IME::IMECandidate* candidate);
		void Changed(IME::IMECandidate* candidate);
		void Reset(void);

	protected:
		void CreateControlRenderer(void);
		void CreateTextRenderer(void);

		void SetCurrSel(int index);
		int EntryFromPos(const Vector2& mousePos);
		void UpdateScrollPos(void);

		void CalculateCandidatePageExtent(Vector2& outExtent, Vector2& outCellSize);

	// DialogControlClass methods
	public:
		const RectClass& Get_Window_Rect(void) const
			{return mFullRect;}

	protected:
		void Render(void);
		void Update_Client_Rect(void);

		void On_Set_Cursor(const Vector2& mousePos);
		void On_LButton_Down(const Vector2& mousePos);
		void On_LButton_Up(const Vector2& mousePos);
		void On_Add_To_Dialog(void);
		void On_Remove_From_Dialog(void);

	// ControlAdviseSinkClass methods
	protected:
		void On_VScroll(ScrollBarCtrlClass*, int, int);

	// Data members
	protected:
		RectClass mFullRect;
		Vector2 mCellSize;

		int mCurrSel;
		unsigned int mScrollPos;
		unsigned int mCellsPerPage;
		
		ScrollBarCtrlClass mScrollBarCtrl;
		RectClass mScrollBarRect;

		Render2DClass mControlRenderer;
		Render2DClass mHilightRenderer;
		Render2DSentenceClass	mTextRenderer;

		IME::IMECandidate* mCandidate;
		};

#endif // __IMECANDIDATECTRL_H__