/*
Copyright (C) 1999-2006 Id Software, Inc. and contributors.
For a list of contributors, see the accompanying CONTRIBUTORS file.

This file is part of GtkRadiant.

GtkRadiant 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 of the License, or
(at your option) any later version.

GtkRadiant 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 GtkRadiant; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
*/

//-----------------------------------------------------------------------------
//
// DESCRIPTION:
// classes used for describing geometry information from q3map feedback
//

#ifndef __Q3MAP_FEEDBACK__
#define __Q3MAP_FEEDBACK__

#include "math/vector.h"
#include "stream/stringstream.h"
#include <glib/gstring.h>
#include "xmlstuff.h"
#include "dialog.h"
#include "xywindow.h"

// we use these classes to let plugins draw inside the Radiant windows
// 2D window like YZ XZ XY
class IGL2DWindow
{
public:
	// Increment the number of references to this object
	virtual void IncRef() = 0;
	// Decrement the reference count
	virtual void DecRef() = 0;
	virtual void Draw2D( VIEWTYPE vt ) = 0;
};

// 3D window
class IGL3DWindow
{
public:
  // Increment the number of references to this object
  virtual void IncRef() = 0;
  // Decrement the reference count
  virtual void DecRef() = 0;
  virtual void Draw3D() = 0;
};

// a select message with a brush/entity select information
class CSelectMsg : public ISAXHandler
{
  enum { SELECT_MESSAGE, SELECT_BRUSH } ESelectState;
  StringOutputStream message;
  StringOutputStream brush;
public:
  CSelectMsg() { ESelectState = SELECT_MESSAGE; }
  // SAX interface
  void saxStartElement (message_info_t *ctx, const xmlChar *name, const xmlChar **attrs);
  void saxEndElement (message_info_t *ctx, const xmlChar *name);
  void saxCharacters (message_info_t *ctx, const xmlChar *ch, int len);
  // for use in the dialog window
  const char* getName() { return message.c_str(); }
  IGL2DWindow* Highlight();
  void DropHighlight() { }
};

class CPointMsg : public ISAXHandler, public IGL2DWindow
{
  enum { POINT_MESSAGE, POINT_POINT } EPointState;
  StringOutputStream message;
  StringOutputStream point;
  Vector3 pt;
  int refCount;
public:
  CPointMsg() { EPointState = POINT_MESSAGE; refCount = 0; }
  // SAX interface
  void Release()
  {
    delete this;
  }
  void saxStartElement (message_info_t *ctx, const xmlChar *name, const xmlChar **attrs);
  void saxEndElement (message_info_t *ctx, const xmlChar *name);
  void saxCharacters (message_info_t *ctx, const xmlChar *ch, int len);
  // for use in the dialog window
  const char* getName() { return message.c_str(); }
  IGL2DWindow* Highlight();
  void DropHighlight();

  // IGL2DWindow interface --------------------------------
	// Increment the number of references to this object
  void IncRef() { refCount++; }
	// Decrement the reference count
  void DecRef() { refCount--; if (refCount <= 0) delete this; }
	void Draw2D( VIEWTYPE vt );
};

class CWindingMsg : public ISAXHandler, public IGL2DWindow
{
  enum { WINDING_MESSAGE, WINDING_WINDING } EPointState;
  StringOutputStream message;
  StringOutputStream winding;
  Vector3 wt[256];
  int numpoints;
  int refCount;
public:
  CWindingMsg() { EPointState = WINDING_MESSAGE; refCount = 0; numpoints = 0; }
  // SAX interface
  void Release()
  {
    delete this;
  }
  void saxStartElement (message_info_t *ctx, const xmlChar *name, const xmlChar **attrs);
  void saxEndElement (message_info_t *ctx, const xmlChar *name);
  void saxCharacters (message_info_t *ctx, const xmlChar *ch, int len);
  // for use in the dialog window
  const char* getName() { return message.c_str(); }
  IGL2DWindow* Highlight();
  void DropHighlight();

  // IGL2DWindow interface --------------------------------
	// Increment the number of references to this object
  void IncRef() { refCount++; }
	// Decrement the reference count
  void DecRef() { refCount--; if (refCount <= 0) delete this; }
	void Draw2D( VIEWTYPE vt );
};

typedef struct _GtkListStore GtkListStore;

class CDbgDlg : public Dialog
{
  GPtrArray *m_pFeedbackElements;
  // the list widget we use in the dialog
  GtkListStore* m_clist;
  ISAXHandler *m_pHighlight;
  IGL2DWindow* m_pDraw2D;
public:
  CDbgDlg()
  {
    m_pFeedbackElements = g_ptr_array_new();
    m_pHighlight = NULL;
    m_pDraw2D = NULL;
  }
  // refresh items
  void Push (ISAXHandler *);
  // clean the debug window, release all ISAXHanlders we have
  void Init();
  ISAXHandler *GetElement(std::size_t row);
  void SetHighlight(gint row);
  void DropHighlight();
  void draw2D(VIEWTYPE viewType)
  {
    if(m_pDraw2D != 0)
    {
      m_pDraw2D->Draw2D(viewType);
    }
  }
  void destroyWindow()
  {
    if(GetWidget() != 0)
    {
      Destroy();
    }
  }
//  void HideDlg();
protected:
  GtkWindow* BuildDialog();
};

extern CDbgDlg g_DbgDlg;

void Feedback_draw2D(VIEWTYPE viewType);

#endif