/*
   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 "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:
virtual ~IGL2DWindow() = default;
// 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 );
};


class CDbgDlg : public Dialog
{
GPtrArray *m_pFeedbackElements;
// the list widget we use in the dialog
ui::ListStore m_clist{ui::null};
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() ) {
		Destroy();
	}
}
//  void HideDlg();
protected:
ui::Window BuildDialog();
};

extern CDbgDlg g_DbgDlg;

void Feedback_draw2D( VIEWTYPE viewType );

#endif
