/*
	GWEN
	Copyright (c) 2010 Facepunch Studios
	See license in Gwen.h
*/

#pragma once
#ifndef GWEN_CONTROLS_TEXTBOX_H
#define GWEN_CONTROLS_TEXTOBX_H

#include "Gwen/BaseRender.h"
#include "Gwen/Controls/Base.h"
#include "Gwen/Controls/Label.h"
#include "Gwen/Controls/ScrollControl.h"

namespace Gwen
{
namespace Controls
{
class GWEN_EXPORT TextBox : public Label
{
	GWEN_CONTROL(TextBox, Label);

	virtual void Render(Skin::Base* skin);
	virtual void RenderFocus(Gwen::Skin::Base* /*skin*/){};
	virtual void Layout(Skin::Base* skin);

	virtual bool OnChar(Gwen::UnicodeChar c);

	virtual void InsertText(const Gwen::UnicodeString& str);
	virtual void DeleteText(int iStartPos, int iLength);

	virtual void RefreshCursorBounds();

	virtual bool OnKeyReturn(bool bDown);
	virtual bool OnKeyBackspace(bool bDown);
	virtual bool OnKeyDelete(bool bDown);
	virtual bool OnKeyRight(bool bDown);
	virtual bool OnKeyLeft(bool bDown);
	virtual bool OnKeyHome(bool bDown);
	virtual bool OnKeyEnd(bool bDown);

	virtual bool AccelOnlyFocus() { return true; }

	virtual void OnPaste(Gwen::Controls::Base* pCtrl);
	virtual void OnCopy(Gwen::Controls::Base* pCtrl);
	virtual void OnCut(Gwen::Controls::Base* pCtrl);
	virtual void OnSelectAll(Gwen::Controls::Base* pCtrl);

	virtual void OnMouseDoubleClickLeft(int x, int y);

	virtual void EraseSelection();
	virtual bool HasSelection();
	virtual UnicodeString GetSelection();

	virtual void SetCursorPos(int i);
	virtual void SetCursorEnd(int i);

	virtual void OnMouseClickLeft(int x, int y, bool bDown);
	virtual void OnMouseMoved(int x, int y, int deltaX, int deltaY);

	virtual void SetSelectAllOnFocus(bool b)
	{
		m_bSelectAll = b;
		if (b) OnSelectAll(this);
	}

	virtual void MakeCaratVisible();

	virtual void OnEnter();

	virtual bool NeedsInputChars() { return true; }

	Event::Caller onTextChanged;
	Event::Caller onReturnPressed;

protected:
	virtual void OnTextChanged();
	virtual bool IsTextAllowed(const Gwen::UnicodeString& /*str*/, int /*iPos*/) { return true; }

	bool m_bSelectAll;

	int m_iCursorPos;
	int m_iCursorEnd;

	Gwen::Rect m_rectSelectionBounds;
	Gwen::Rect m_rectCaretBounds;

	float m_fLastInputTime;
};

class GWEN_EXPORT TextBoxNumeric : public TextBox
{
public:
	GWEN_CONTROL(TextBoxNumeric, TextBox);

	virtual float GetFloatFromText();

private:
	virtual bool IsTextAllowed(const Gwen::UnicodeString& str, int iPos);
};
}  // namespace Controls
}  // namespace Gwen
#endif