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/*!
\file GUITextBox.h
\brief
*/

#ifndef GUILIB_GUITEXTBOX_H
#define GUILIB_GUITEXTBOX_H

#pragma once

/*
* Copyright (C) 2005-2008 Team XBMC
* http://www.xbmc.org
*
* 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 2, 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 XBMC; see the file COPYING. If not, write to
* the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
* http://www.gnu.org/copyleft/gpl.html
*
*/

#include "GUITextLayout.h"
#include "GUIControl.h"
#include "GUILabel.h"

/*!
\ingroup controls
\brief
*/

class TiXmlNode;

class CGUITextBox : public CGUIControl, public CGUITextLayout
{
public:
  CGUITextBox(int parentID, int controlID, float posX, float posY, float width, float height,
              const CLabelInfo &labelInfo, int scrollTime = 200);
  CGUITextBox(const CGUITextBox &from);
  virtual ~CGUITextBox(void);
  virtual CGUITextBox *Clone() const { return new CGUITextBox(*this); };

  virtual void DoProcess(unsigned int currentTime, CDirtyRegionList &dirtyregions);
  virtual void Process(unsigned int currentTime, CDirtyRegionList &dirtyregions);
  virtual void Render();
  virtual bool OnMessage(CGUIMessage& message);

  void SetPageControl(int pageControl);

  virtual bool CanFocus() const;
  void SetInfo(const CGUIInfoLabel &info);
  void SetAutoScrolling(const TiXmlNode *node);
  void ResetAutoScrolling();
  CStdString GetLabel(int info) const;

  void Scroll(unsigned int offset);

protected:
  virtual void UpdateVisibility(const CGUIListItem *item = NULL);
  virtual bool UpdateColors();
  virtual void UpdateInfo(const CGUIListItem *item = NULL);
  void UpdatePageControl();
  void ScrollToOffset(int offset, bool autoScroll = false);
  unsigned int GetRows() const;
  int GetCurrentPage() const;

  // offset of text in the control for scrolling
  unsigned int m_offset;
  float m_scrollOffset;
  float m_scrollSpeed;
  int m_scrollTime;
  unsigned int m_itemsPerPage;
  float m_itemHeight;
  unsigned int m_lastRenderTime;

  CLabelInfo m_label;

  TransformMatrix m_cachedTextMatrix;

  // autoscrolling
  unsigned int m_autoScrollCondition;
  int m_autoScrollTime; // time to scroll 1 line (ms)
  int m_autoScrollDelay; // delay before scroll (ms)
  unsigned int m_autoScrollDelayTime; // current offset into the delay
  CAnimation *m_autoScrollRepeatAnim;

  int m_pageControl;

  CGUIInfoLabel m_info;
};
#endif
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