/*
Copyright (C) 1999-2007 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
*/

#ifndef _XYWINDOW_H_
#define _XYWINDOW_H_

#include "qe3.h"
#include "camwindow.h"
#include "glwindow.h"

const int SCALE_X = 0x01;
const int SCALE_Y = 0x02;
const int SCALE_Z = 0x04;

typedef void (PFNPathCallback)(bool, int);
// as i didn't really encapsulate anything this
// should really be a struct..
class ClipPoint
{
public:
  ClipPoint(){ Reset(); };
  void Reset(){ m_ptClip[0] = m_ptClip[1] = m_ptClip[2] = 0.0; m_bSet = false; m_pVec3 = NULL;};
  bool Set(){ return m_bSet; };
  void Set(bool b) { m_bSet = b; };
  void UpdatePointPtr() { if (m_pVec3) VectorCopy(m_ptClip, *m_pVec3); };
  void SetPointPtr(vec3_t* p) { m_pVec3 = p; };
  vec3_t m_ptClip;      // the 3d point
  vec3_t* m_pVec3;      // optional ptr for 3rd party updates
  int m_ptScreenX, m_ptScreenY;    // the onscreen xy point (for mousability)
  bool m_bSet;
  operator vec3_t&() {return m_ptClip;};
  operator vec3_t*() {return &m_ptClip;};
  
  /*! Draw clip/path point with rasterized number label */
  void Draw(float fScale, int num);
  /*! Draw clip/path point with rasterized string label */
  void Draw(float fScale, const char *label);
};

class XYWnd : public GLWindow
{
public:
  XYWnd();
  virtual ~XYWnd() { }

public:
  bool AreaSelectOK();
  vec3_t& RotateOrigin();
  vec3_t& Rotation();
  void UndoClear();
  bool UndoAvailable();
  void KillPathMode();
  void Undo();
  void UndoCopy();
  void Copy();
  void Paste();
  void Redraw(unsigned int nBits);
  void VectorCopyXY(vec3_t in, vec3_t out);
  void PositionView();
  void FlipClip();
  void SplitClip();
  void Clip();
  vec3_t& GetOrigin();
  void SetOrigin(vec3_t org);		// PGM
  void XY_Init();
  void XY_Overlay();
  void XY_Draw();
  void DrawZIcon();
  void DrawRotateIcon();
  void DrawCameraIcon();
  void XY_DrawBlockGrid();
  void XY_DrawGrid();
  void XY_MouseMoved (int x, int y, int buttons);
// TTimo: FIXME: was experimental stuff to track possible endless loop issues
//  void XY_MouseMovedRec (int x, int y, int buttons);
  void NewBrushDrag (int x, int y);
  qboolean DragDelta (int x, int y, vec3_t move);
  void XY_MouseUp(int x, int y, int buttons);
  void XY_MouseDown (int x, int y, int buttons);
  void XY_ToGridPoint (int x, int y, vec3_t point);
  void XY_ToPoint (int x, int y, vec3_t point);
  void SnapToPoint (int x, int y, vec3_t point);
  void SetActive(bool b) {m_bActive = b;};
  bool Active() {return m_bActive;};

  void DropClipPoint(guint32 nFlags, int pointx, int pointy);
  bool RogueClipMode();
  bool ClipMode();
  void SetClipMode(bool bMode);
  void RetainClipMode(bool bMode);

  bool RotateMode();
  bool SetRotateMode(bool bMode);
  bool ScaleMode();
  void SetScaleMode(bool bMode);

  bool PathMode();
  void DropPathPoint(guint32 nFlags, int pointx, int pointy);
  bool PointMode();
//  void AddPointPoint(guint32 nFlags, vec3_t* pVec);
  void SetPointMode(bool b);

  void SetViewType(int n);
  bool m_bActive;

protected:
  int m_nUpdateBits;
  int m_nWidth;
  int m_nHeight;
  bool m_bTiming;
  float	m_fScale;
  float	m_TopClip;
  float m_BottomClip;
  bool m_bDirty;
  vec3_t m_vOrigin;

  int m_ptCursorX, m_ptCursorY;
  bool m_bRButtonDown;

  int m_nButtonstate;
  int m_nPressx;
  int m_nPressy;
  vec3_t m_vPressdelta;
  bool m_bPress_selection;

  friend class CamWnd;

private:
  // this is unique for all views
  static GtkWidget* m_mnuDrop;

  int m_nViewType;

  int m_nScrollFlags;
  int m_ptDragX, m_ptDragY;
  int m_ptDragAdjX, m_ptDragAdjY;
  int m_ptDragTotalX, m_ptDragTotalY;

  void OriginalButtonUp(guint32 nFlags, int point, int pointy);
  void OriginalButtonDown(guint32 nFlags, int point, int pointy);
//  void ProduceSplits(brush_t** pFront, brush_t** pBack);
  void PlanePointsFromClipPoints(vec3_t planepts[3], brush_t *pBrush);
  void ProduceSplitLists();
  void HandleDrop();
  void PaintSizeInfo(int nDim1, int nDim2, vec3_t vMinBounds, vec3_t vMaxBounds);

  int m_ptDownX, m_ptDownY;

public:
  void OnEntityCreate(const char* item);
  int GetViewType() {return m_nViewType; }
  void SetScale(float f) {m_fScale = f;}
  float Scale() {return m_fScale;}
  int Width() {return m_nWidth;}
  int Height() {return m_nHeight;}

protected:

  void OnCreate ();
  void OnExpose ();
  void OnLButtonDown(guint32 flags, int pointx, int pointy);
  void OnRButtonDown(guint32 flags, int pointx, int pointy);
  void OnMButtonDown(guint32 flags, int pointx, int pointy);
  void OnLButtonUp(guint32 flags, int pointx, int pointy);
  void OnRButtonUp(guint32 flags, int pointx, int pointy);
  void OnMButtonUp(guint32 flags, int pointx, int pointy);
  void OnMouseMove(guint32 nFlags, int pointx, int pointy);
  void OnMouseWheel(bool bUp);
  void OnSize (int cx, int cy);
  void OnTimer();

private:
  XORRectangle m_XORRectangle;
};

#endif // _XYWINDOW_H_