gtkradiant/radiant/xywindow.cpp

/*
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
*/

//
// XY Window
//
// Leonardo Zide (leo@lokigames.com)
//

#include "stdafx.h"
#include <gtk/gtk.h>
#include <assert.h>
#include <GL/gl.h>

#ifdef _WIN32
#include <gdk/gdkwin32.h>
#endif

// =============================================================================
// variables

#define PAGEFLIPS   2

CString g_strStatus;
bool g_bCrossHairs = false;
bool g_bScaleMode;
int g_nScaleHow;
bool g_bRotateMode;
bool g_bClipMode;
bool g_bRogueClipMode;
bool g_bSwitch;
ClipPoint g_Clip1;
ClipPoint g_Clip2;
ClipPoint g_Clip3;
ClipPoint* g_pMovingClip;
brush_t g_brFrontSplits;
brush_t g_brBackSplits;

brush_t g_brClipboard;
brush_t g_brUndo;
entity_t g_enClipboard;

vec3_t g_vRotateOrigin;
vec3_t g_vRotation;

bool g_bPathMode;
ClipPoint g_PathPoints[256]; // this limit isn't enforced?
ClipPoint* g_pMovingPath;
int g_nPathCount;
int g_nPathLimit;

bool g_bSmartGo;

bool g_bPointMode;
ClipPoint g_PointPoints[512];
ClipPoint* g_pMovingPoint;
int g_nPointCount;
int g_nPointLimit;

const int XY_LEFT = 0x01;
const int XY_RIGHT = 0x02;
const int XY_UP = 0x04;
const int XY_DOWN = 0x08;

PFNPathCallback* g_pPathFunc = NULL;

static unsigned s_stipple[32] =
{
    0xaaaaaaaa, 0x55555555,0xaaaaaaaa, 0x55555555,
    0xaaaaaaaa, 0x55555555,0xaaaaaaaa, 0x55555555,
    0xaaaaaaaa, 0x55555555,0xaaaaaaaa, 0x55555555,
    0xaaaaaaaa, 0x55555555,0xaaaaaaaa, 0x55555555,
    0xaaaaaaaa, 0x55555555,0xaaaaaaaa, 0x55555555,
    0xaaaaaaaa, 0x55555555,0xaaaaaaaa, 0x55555555,
    0xaaaaaaaa, 0x55555555,0xaaaaaaaa, 0x55555555,
    0xaaaaaaaa, 0x55555555,0xaaaaaaaa, 0x55555555,
};

void AcquirePath(int nCount, PFNPathCallback* pFunc)
{
  g_nPathCount = 0;
  g_nPathLimit = nCount;
  g_pPathFunc = pFunc;
  g_bPathMode = true;
}


CPtrArray g_ptrMenus;

MemStream g_Clipboard(4096);
MemStream g_PatchClipboard(4096);

extern int pressx;
extern int pressy;
extern bool g_bWaitCursor;

vec3_t tdp;

GtkWidget* XYWnd::m_mnuDrop = NULL;

extern int g_nPatchClickedView;

// =============================================================================
// global functions

// this is disabled, and broken
// http://zerowing.idsoftware.com/bugzilla/show_bug.cgi?id=394
#if 0
void WXY_Print ()
{
  long width, height;
  width = g_pParentWnd->ActiveXY()->Width();
  height = g_pParentWnd->ActiveXY()->Height();
  unsigned char* img;
  const char* filename;

  filename = file_dialog (g_pParentWnd->m_pWidget, FALSE, _("Save Image"), NULL, FILTER_BMP);
  if (!filename)
    return;

  g_pParentWnd->ActiveXY()->MakeCurrent();
  img = (unsigned char*)malloc (width*height*3);
  qglReadPixels (0,0,width,height,GL_RGB,GL_UNSIGNED_BYTE,img);

  FILE *fp;
  fp = fopen(filename, "wb");
  if (fp)
  {
    unsigned short bits;
    unsigned long cmap, bfSize;

    bits = 24;
    cmap = 0;
    bfSize = 54 + width*height*3;

    long byteswritten = 0;
    long pixoff = 54 + cmap*4;
    short res = 0;
    char m1 ='B', m2 ='M';
    fwrite(&m1, 1, 1, fp);      byteswritten++; // B
    fwrite(&m2, 1, 1, fp);      byteswritten++; // M
    fwrite(&bfSize, 4, 1, fp);  byteswritten+=4;// bfSize
    fwrite(&res, 2, 1, fp);     byteswritten+=2;// bfReserved1
    fwrite(&res, 2, 1, fp);     byteswritten+=2;// bfReserved2
    fwrite(&pixoff, 4, 1, fp);  byteswritten+=4;// bfOffBits

    unsigned long biSize = 40, compress = 0, size = 0;
    long pixels = 0;
    unsigned short planes = 1;
    fwrite(&biSize, 4, 1, fp);  byteswritten+=4;// biSize
    fwrite(&width, 4, 1, fp);   byteswritten+=4;// biWidth
    fwrite(&height, 4, 1, fp);  byteswritten+=4;// biHeight
    fwrite(&planes, 2, 1, fp);  byteswritten+=2;// biPlanes
    fwrite(&bits, 2, 1, fp);    byteswritten+=2;// biBitCount
    fwrite(&compress, 4, 1, fp);byteswritten+=4;// biCompression
    fwrite(&size, 4, 1, fp);    byteswritten+=4;// biSizeImage
    fwrite(&pixels, 4, 1, fp);  byteswritten+=4;// biXPelsPerMeter
    fwrite(&pixels, 4, 1, fp);  byteswritten+=4;// biYPelsPerMeter
    fwrite(&cmap, 4, 1, fp);    byteswritten+=4;// biClrUsed
    fwrite(&cmap, 4, 1, fp);    byteswritten+=4;// biClrImportant

    unsigned long widthDW = (((width*24) + 31) / 32 * 4);
    long row, row_size = width*3;
    for (row = 0; row < height; row++)
    {
        unsigned char* buf = img+row*row_size;

      // write a row
      int col;
      for (col = 0; col < row_size; col += 3)
        {
          putc(buf[col+2], fp);
          putc(buf[col+1], fp);
          putc(buf[col], fp);
        }
      byteswritten += row_size;

      unsigned long count;
      for (count = row_size; count < widthDW; count++)
        {
        putc(0, fp);    // dummy
          byteswritten++;
        }
    }

    fclose(fp);
  }

  free (img);
}
#endif

float ptSum(vec3_t pt)
{
  return pt[0] + pt[1] + pt[2];
}

float Betwixt(float f1, float f2)
{
  if (f1 > f2)
    return f2 + ((f1 - f2) / 2);
  else
    return f1 + ((f2 - f1) / 2);
}

void CleanList(brush_t* pList)
{
  brush_t* pBrush = pList->next;
  while (pBrush != NULL && pBrush != pList)
  {
    brush_t* pNext = pBrush->next;
    Brush_Free(pBrush);
    pBrush = pNext;
  }
}

void Brush_CopyList (brush_t* pFrom, brush_t* pTo)
{
  brush_t* pBrush = pFrom->next;
  while (pBrush != NULL && pBrush != pFrom)
  {
    brush_t* pNext = pBrush->next;
    Brush_RemoveFromList(pBrush);
    Brush_AddToList(pBrush, pTo);
    pBrush = pNext;
  }
}

float fDiff(float f1, float f2)
{
  if (f1 > f2)
    return f1 - f2;
  else
    return f2 - f1;
}

/*
=============================================================

  PATH LINES

=============================================================
*/

/*
==================
DrawPathLines

Draws connections between entities.
Needs to consider all entities, not just ones on screen,
because the lines can be visible when neither end is.
Called for both camera view and xy view.
==================
*/
void DrawPathLines (void)
{
  int       i, j, k;
  vec3_t    mid, mid1;
  entity_t *se, *te;
  brush_t   *sb, *tb;
  const char    *psz;
  vec3_t    dir, s1, s2;
  vec_t len, f;
  int       arrows;
  int           num_entities;
  const char        *ent_target[MAX_MAP_ENTITIES];
  entity_t  *ent_entity[MAX_MAP_ENTITIES];

  if (g_qeglobals.d_savedinfo.exclude & EXCLUDE_PATHS)
  {
    return;
  }

  num_entities = 0;
  for (te = entities.next ; te != &entities && num_entities != MAX_MAP_ENTITIES ; te = te->next)
  {
    ent_target[num_entities] = ValueForKey (te, "target");
    if (ent_target[num_entities][0])
    {
      ent_entity[num_entities] = te;
      num_entities++;
    }
  }

  for (se = entities.next ; se != &entities ; se = se->next)
  {
    psz = ValueForKey(se, "targetname");

    if (psz == NULL || psz[0] == '\0')
      continue;

    sb = se->brushes.onext;
    if (sb == &se->brushes)
      continue;

    for (k=0 ; k<num_entities ; k++)
    {
      if (strcmp (ent_target[k], psz))
        continue;

      te = ent_entity[k];
      tb = te->brushes.onext;
      if (tb == &te->brushes)
        continue;

      for (i=0 ; i<3 ; i++)
        mid[i] = (sb->mins[i] + sb->maxs[i])*0.5;

      for (i=0 ; i<3 ; i++)
        mid1[i] = (tb->mins[i] + tb->maxs[i])*0.5;

      VectorSubtract (mid1, mid, dir);
      len = VectorNormalize (dir, dir);
      s1[0] = -dir[1]*8 + dir[0]*8;
      s2[0] = dir[1]*8 + dir[0]*8;
      s1[1] = dir[0]*8 + dir[1]*8;
      s2[1] = -dir[0]*8 + dir[1]*8;

      qglColor3f (se->eclass->color[0], se->eclass->color[1], se->eclass->color[2]);

      qglBegin(GL_LINES);
      qglVertex3fv(mid);
      qglVertex3fv(mid1);

      arrows = (int)(len / 256) + 1;

      for (i=0 ; i<arrows ; i++)
      {
        f = len * (i + 0.5) / arrows;

        for (j=0 ; j<3 ; j++)
          mid1[j] = mid[j] + f*dir[j];
        qglVertex3fv (mid1);
        qglVertex3f (mid1[0] + s1[0], mid1[1] + s1[1], mid1[2]);
        qglVertex3fv (mid1);
        qglVertex3f (mid1[0] + s2[0], mid1[1] + s2[1], mid1[2]);
      }

      qglEnd();
    }
  }
}

extern void AssignModel();

void CreateEntityFromName(const char* name, const vec3_t origin)
{
  entity_t *e;
  brush_t* b;
  if (stricmp(name, "worldspawn") == 0)
  {
    gtk_MessageBox(g_pParentWnd->m_pWidget, "Can't create an entity with worldspawn.", "info", 0);
    return;
  }

  e = Entity_Alloc();
  SetKeyValue(e, "classname", name);

  if(e->eclass->fixedsize)
  {
    Select_Delete();
    b = Brush_Create(e->eclass->mins, e->eclass->maxs, &e->eclass->texdef);
    Entity_LinkBrush(e, b);
    Brush_AddToList(b, &active_brushes);
    Select_Brush(b);
    Brush_Move(b, origin, true);
  }
  else
  {
    Select_GroupEntity(e);
    if(e->brushes.onext == &e->brushes)
    {
      Sys_FPrintf(SYS_ERR, "CreateEntityFromName: selection could not be grouped\n");
      Entity_Free(e);
      return;
    }
  }

  Entity_AddToList(e, &entities);
  Undo_EndEntity(e);

  Select_Deselect ();

  // tweaking: when right clic dropping a light entity, ask for light value in a custom dialog box
  // see SF bug 105383

  if (g_pGameDescription->mGameFile == "hl.game")
  {
    // FIXME - Hydra: really we need a combined light AND color dialog for halflife.
    if ((stricmp(name, "light") == 0)  ||
        (stricmp(name, "light_environment") == 0) ||
        (stricmp(name, "light_spot") == 0) )
    {
      int intensity = g_PrefsDlg.m_iLastLightIntensity;

      // Create and show the dialog box
      //    CWnd *pWnd;
      //    pWnd = prompt.GetDlgItem( IDC_EDIT1 );
      //    prompt.GotoDlgCtrl( pWnd );
      if (DoLightIntensityDlg (&intensity) == IDOK)
      {
        g_PrefsDlg.m_iLastLightIntensity = intensity;
        char buf[30];
        sprintf( buf, "255 255 255 %d", intensity );
        SetKeyValue(e, "_light", buf);
      }
    }
  }
  else
  {
  if (stricmp(name, "light") == 0)
  {
    int intensity = g_PrefsDlg.m_iLastLightIntensity;

    // Create and show the dialog box
      //    CWnd *pWnd;
      //    pWnd = prompt.GetDlgItem( IDC_EDIT1 );
      //    prompt.GotoDlgCtrl( pWnd );
    if (DoLightIntensityDlg (&intensity) == IDOK)
    {
      g_PrefsDlg.m_iLastLightIntensity = intensity;
      char buf[10];
      sprintf( buf, "%d", intensity );
      SetKeyValue(e, "light", buf);
    }
  }
  }
  Select_Brush (e->brushes.onext);

  if ( (stricmp(name, "misc_model") == 0) || (stricmp(name, "misc_gamemodel") == 0) || (strcmpi(name, "model_static") == 0) )
  {
    SetInspectorMode(W_ENTITY);
    AssignModel();
  }
}

void CreateRightClickEntity(XYWnd* pWnd, int x, int y, char* pName)
{
  int height = pWnd->GetWidget()->allocation.height;
  vec3_t point;
  pWnd->SnapToPoint (x, height - 1 - y, point);

  int nDim = (pWnd->GetViewType() == XY) ? 2 : (pWnd->GetViewType() == YZ) ? 0 : 1;
  float fWorkMid = (g_qeglobals.d_work_min[nDim] + g_qeglobals.d_work_max[nDim]) * 0.5;
  point[nDim] = g_qeglobals.d_gridsize * ((int)(fWorkMid/g_qeglobals.d_gridsize));

  CreateEntityFromName(pName, point);
}


brush_t* CreateSmartBrush(vec3_t v)
{
  vec3_t    mins, maxs;
  int       i;
  brush_t   *n;

  for (i=0 ; i<3 ; i++)
  {
    mins[i] = v[i] - 16;
    maxs[i] = v[i] + 16;
  }

  n = Brush_Create (mins, maxs, &g_qeglobals.d_texturewin.texdef);
  if (!n)
    return NULL;

  Brush_AddToList(n, &selected_brushes);
  //Entity_LinkBrush(world_entity, n);
  Brush_Build(n);
  return n;
}

CString g_strSmartEntity;
int g_nSmartX;
int g_nSmartY;
bool g_bSmartWaiting;
void _SmartPointDone(bool b, int n)
{
  g_bSmartWaiting = false;
}

void CreateSmartEntity(XYWnd* pWnd, int x, int y, const char* pName)
{
  g_nSmartX = x;
  g_nSmartY = y;
  g_strSmartEntity = pName;
  if (g_strSmartEntity.Find("Smart_Train") >= 0)
  {
    ShowInfoDialog("Select the path of the train by left clicking in XY, YZ and/or XZ views. You can move an already dropped point by grabbing and moving it. When you are finished, press ENTER to accept and create the entity and path(s), press ESC to abandon the creation");
    g_bPathMode = true;
    g_nPathLimit = 0;
    g_nPathCount = 0;
    g_bSmartGo = true;
  }
  else
  if (g_strSmartEntity.Find("Smart_Monster...") >= 0)
  {
    g_bPathMode = true;
    g_nPathLimit = 0;
    g_nPathCount = 0;
  }
  else
  if (g_strSmartEntity.Find("Smart_Rotating") >= 0)
  {
    g_bSmartWaiting = true;
    ShowInfoDialog("Left click to specify the rotation origin");
    AcquirePath(1, &_SmartPointDone);
    while (g_bSmartWaiting)
      gtk_main_iteration ();
    HideInfoDialog();
    CPtrArray array;
    g_bScreenUpdates = false;
    CreateRightClickEntity(g_pParentWnd->ActiveXY(), g_nSmartX, g_nSmartY, "func_rotating");
    array.Add(reinterpret_cast<void*>(selected_brushes.next));
    Select_Deselect();
    brush_t* pBrush = CreateSmartBrush(g_PathPoints[0]);
    array.Add(pBrush);
    Select_Deselect();
    Select_Brush(reinterpret_cast<brush_t*>(array.GetAt(0)));
    Select_Brush(reinterpret_cast<brush_t*>(array.GetAt(1)));
    ConnectEntities();
    g_bScreenUpdates = true;
  }
}

void FinishSmartCreation()
{
  CPtrArray array;
  HideInfoDialog();
  //  brush_t* pEntities = NULL;
  int n;

  if (g_strSmartEntity.Find("Smart_Train") >= 0)
  {
    g_bScreenUpdates = false;
    CreateRightClickEntity(g_pParentWnd->ActiveXY(), g_nSmartX, g_nSmartY, "func_train");
    array.Add(reinterpret_cast<void*>(selected_brushes.next));
    for (n = 0; n < g_nPathCount; n++)
    {
      Select_Deselect();
      CreateRightClickEntity(g_pParentWnd->ActiveXY(), g_PathPoints[n].m_ptScreenX,
                 g_PathPoints[n].m_ptScreenY, "path_corner");
      array.Add(reinterpret_cast<void*>(selected_brushes.next));
    }

    for (n = 0; n < g_nPathCount; n++)
    {
      Select_Deselect();
      Select_Brush(reinterpret_cast<brush_t*>(array.GetAt(n)));
      Select_Brush(reinterpret_cast<brush_t*>(array.GetAt(n+1)));
      ConnectEntities();
    }
    g_bScreenUpdates = true;

  }
  g_nPathCount = 0;
  g_bPathMode = false;
  Sys_UpdateWindows(W_ALL);
}

void CleanCopyEntities()
{
  entity_t* pe = g_enClipboard.next;
  while (pe != NULL && pe != &g_enClipboard)
  {
    entity_t* next = pe->next;
    epair_t* enext = NULL;
      for (epair_t* ep = pe->epairs ; ep ; ep=enext)
    {
          enext = ep->next;
      free (ep->key);
      free (ep->value);
          free (ep);
    }
      free (pe);
    pe = next;
  }
  g_enClipboard.next = g_enClipboard.prev = &g_enClipboard;
}

entity_t *Entity_CopyClone (entity_t *e)
{
  entity_t  *n;
  epair_t       *ep, *np;

  n = (entity_t*)qmalloc(sizeof(*n));
  n->brushes.onext = n->brushes.oprev = &n->brushes;
  n->eclass = e->eclass;

  // add the entity to the entity list
  n->next = g_enClipboard.next;
  g_enClipboard.next = n;
  n->next->prev = n;
  n->prev = &g_enClipboard;

  for (ep = e->epairs ; ep ; ep=ep->next)
  {
    np = (epair_t*)qmalloc(sizeof(*np));
    np->key = copystring(ep->key);
    np->value = copystring(ep->value);
    np->next = n->epairs;
    n->epairs = np;
  }
  return n;
}

bool OnList(entity_t* pFind, CPtrArray* pList)
{
  int nSize = pList->GetSize();
  while (nSize-- > 0)
  {
    entity_t* pEntity = reinterpret_cast<entity_t*>(pList->GetAt(nSize));
    if (pEntity == pFind)
      return true;
  }
  return false;
}

// =============================================================================
// XYWnd class

XYWnd::XYWnd ()
  : GLWindow (FALSE), m_XORRectangle(m_pWidget)
{
  g_brClipboard.next = &g_brClipboard;
  g_brUndo.next = &g_brUndo;
  g_nScaleHow = 0;
  g_bRotateMode = false;
  g_bClipMode = false;
  g_bRogueClipMode = false;
  g_bSwitch = true;
  g_pMovingClip = (ClipPoint*)NULL;
  g_pMovingPath = (ClipPoint*)NULL;
  g_brFrontSplits.next = &g_brFrontSplits;
  g_brBackSplits.next = &g_brBackSplits;
  m_bActive = false;
  //m_bTiming = true;
  m_bTiming = false;
  m_bRButtonDown = false;
  m_nUpdateBits = W_XY;
  g_bPathMode = false;
  g_nPathCount = 0;
  g_nPathLimit = 0;
  m_nButtonstate = 0;
//  m_mnuDrop = (GtkWidget*)NULL;
  XY_Init();
}

vec3_t& XYWnd::Rotation()
{
  return g_vRotation;
}

vec3_t& XYWnd::RotateOrigin()
{
  return g_vRotateOrigin;
}

/*
==============
XY_Overlay
==============
*/
void XYWnd::XY_Overlay()
{
  int   w, h;
  int   r[4];
  static vec3_t lastz;
  static vec3_t lastcamera;

  qglViewport(0, 0, m_nWidth, m_nHeight);

  //
  // set up viewpoint
  //
  qglMatrixMode(GL_PROJECTION);
  qglLoadIdentity ();

  w = (int)(m_nWidth / 2 / m_fScale);
  h = (int)(m_nHeight / 2 / m_fScale);

  qglOrtho (m_vOrigin[0] - w, m_vOrigin[0] + w  , m_vOrigin[1] - h, m_vOrigin[1] + h, g_MinWorldCoord, g_MaxWorldCoord);
  //
  // erase the old camera and z checker positions
  // if the entire xy hasn't been redrawn
  //
  if (m_bDirty)
  {
    qglReadBuffer (GL_BACK);
    qglDrawBuffer (GL_FRONT);

    qglRasterPos2f (lastz[0]-9, lastz[1]-9);
    qglGetIntegerv (GL_CURRENT_RASTER_POSITION,r);
    qglCopyPixels(r[0], r[1], 18,18, GL_COLOR);

    qglRasterPos2f (lastcamera[0]-50, lastcamera[1]-50);
    qglGetIntegerv (GL_CURRENT_RASTER_POSITION,r);
    qglCopyPixels(r[0], r[1], 100,100, GL_COLOR);
  }
  m_bDirty = true;

  //
  // save off underneath where we are about to draw
  //
  VectorCopy (z.origin, lastz);
  VectorCopy (g_pParentWnd->GetCamWnd()->Camera()->origin, lastcamera);

  qglReadBuffer (GL_FRONT);
  qglDrawBuffer (GL_BACK);

  qglRasterPos2f (lastz[0]-9, lastz[1]-9);
  qglGetIntegerv (GL_CURRENT_RASTER_POSITION,r);
  qglCopyPixels(r[0], r[1], 18,18, GL_COLOR);

  qglRasterPos2f (lastcamera[0]-50, lastcamera[1]-50);
  qglGetIntegerv (GL_CURRENT_RASTER_POSITION,r);
  qglCopyPixels(r[0], r[1], 100,100, GL_COLOR);

  //
  // draw the new icons
  //
  qglDrawBuffer (GL_FRONT);

  qglShadeModel (GL_FLAT);
  qglDisable(GL_TEXTURE_2D);
  qglDisable(GL_TEXTURE_1D);
  qglDisable(GL_DEPTH_TEST);
  qglDisable(GL_BLEND);
  qglColor3f(0, 0, 0);

  DrawCameraIcon ();
  DrawZIcon ();

  qglDrawBuffer (GL_BACK);
  qglFinish();
}

vec3_t& XYWnd::GetOrigin()
{
  return m_vOrigin;
}

void XYWnd::SetOrigin(vec3_t org)
{
  m_vOrigin[0] = org[0];
  m_vOrigin[1] = org[1];
  m_vOrigin[2] = org[2];
}

void XYWnd::OnSize(int cx, int cy)
{
  m_nWidth = cx;
  m_nHeight = cy;
}

brush_t hold_brushes;

void XYWnd::Clip()
{
  if (ClipMode())
  {
    hold_brushes.next = &hold_brushes;
    ProduceSplitLists();
    brush_t* pList;
    if (g_PrefsDlg.m_bSwitchClip)
      pList = (!g_bSwitch) ? &g_brFrontSplits : &g_brBackSplits;
    else
      pList = (g_bSwitch) ? &g_brFrontSplits : &g_brBackSplits;

    if (pList->next != pList)
    {
      Brush_CopyList(pList, &hold_brushes);
      CleanList(&g_brFrontSplits);
      CleanList(&g_brBackSplits);
      Select_Delete();
      Brush_CopyList(&hold_brushes, &selected_brushes);
      if (RogueClipMode())
        RetainClipMode(false);
      else
        RetainClipMode(true);
      Sys_UpdateWindows(W_ALL);
    }
  }
  else if (PathMode())
  {
    FinishSmartCreation();
    if (g_pPathFunc)
      g_pPathFunc(true, g_nPathCount);
    g_pPathFunc = NULL;
    g_nPathCount = 0;
    g_bPathMode = false;
  }
}

void XYWnd::SplitClip()
{
  ProduceSplitLists();
  if ((g_brFrontSplits.next != &g_brFrontSplits) &&
      (g_brBackSplits.next != &g_brBackSplits))
  {
    Select_Delete();
    Brush_CopyList(&g_brFrontSplits, &selected_brushes);
    Brush_CopyList(&g_brBackSplits, &selected_brushes);
    CleanList(&g_brFrontSplits);
    CleanList(&g_brBackSplits);
    if (RogueClipMode())
      RetainClipMode(false);
    else
      RetainClipMode(true);
  }
}

void XYWnd::FlipClip()
{
  g_bSwitch = !g_bSwitch;
  Sys_UpdateWindows(XY | W_CAMERA_IFON);
}

// makes sure the selected brush or camera is in view
void XYWnd::PositionView()
{
  int nDim1 = (m_nViewType == YZ) ? 1 : 0;
  int nDim2 = (m_nViewType == XY) ? 1 : 2;
  brush_t* b = selected_brushes.next;
  if (b && b->next != b)
  {
    Select_GetMid (m_vOrigin);
  }
  else
  {
    m_vOrigin[nDim1] = g_pParentWnd->GetCamWnd()->Camera()->origin[nDim1];
    m_vOrigin[nDim2] = g_pParentWnd->GetCamWnd()->Camera()->origin[nDim2];
  }
}

void XYWnd::VectorCopyXY(vec3_t in, vec3_t out)
{
  if (m_nViewType == XY)
  {
    out[0] = in[0];
    out[1] = in[1];
  }
  else if (m_nViewType == XZ)
  {
    out[0] = in[0];
    out[2] = in[2];
  }
  else
  {
    out[1] = in[1];
    out[2] = in[2];
  }
}

void XYWnd::RetainClipMode(bool bMode)
{
  bool bSave = g_bRogueClipMode;
  SetClipMode(bMode);
  if (bMode == true)
    g_bRogueClipMode = bSave;
  else
    g_bRogueClipMode = false;
}

void XYWnd::SetClipMode(bool bMode)
{
  g_bClipMode = bMode;
  g_bRogueClipMode = false;
  if (bMode)
  {
    g_Clip1.Reset();
    g_Clip2.Reset();
    g_Clip3.Reset();
    CleanList(&g_brFrontSplits);
    CleanList(&g_brBackSplits);
    g_brFrontSplits.next = &g_brFrontSplits;
    g_brBackSplits.next = &g_brBackSplits;

    // ydnar: set clipper points based on first selected patch mesh
    if( selected_brushes.next != &selected_brushes )
    {
      bool found = false;
      for( brush_t *pb = selected_brushes.next; pb != &selected_brushes; pb = pb->next )
      {
        if( pb->patchBrush )
        {
          found = true;
          VectorCopy( pb->pPatch->ctrl[ 0 ][ 0 ].xyz, g_Clip1.m_ptClip );
          VectorCopy( pb->pPatch->ctrl[ pb->pPatch->width - 1 ][ pb->pPatch->height - 1 ].xyz, g_Clip2.m_ptClip );
          VectorCopy( pb->pPatch->ctrl[ pb->pPatch->width - 1 ][ 0 ].xyz, g_Clip3.m_ptClip );
          g_Clip1.Set( true );
          g_Clip2.Set( true );
          g_Clip3.Set( true );
          break;
        }
      }

      if( found )
      {
        // SetClipMode( true );
        Sys_UpdateWindows( XY | W_CAMERA_IFON );
      }
    }
  }
  else
  {
    if (g_pMovingClip)
    {
      ReleaseCapture();
      g_pMovingClip = NULL;
    }
    CleanList(&g_brFrontSplits);
    CleanList(&g_brBackSplits);
    g_brFrontSplits.next = &g_brFrontSplits;
    g_brBackSplits.next = &g_brBackSplits;
    Sys_UpdateWindows(XY | W_CAMERA_IFON);
  }
}

bool XYWnd::ClipMode()
{
  return g_bClipMode;
}

bool XYWnd::RogueClipMode()
{
  return g_bRogueClipMode;
}

bool XYWnd::PathMode()
{
  return g_bPathMode;
}

bool XYWnd::PointMode()
{
  return g_bPointMode;
}

void XYWnd::SetPointMode(bool b)
{
  g_bPointMode = b;
  if (!b)
    g_nPointCount = 0;
}

void XYWnd::SetViewType(int n)
{
  m_nViewType = n;
  if (g_pParentWnd->CurrentStyle() == MainFrame::eFloating)
  {
    char* str = "YZ Side";
    if (m_nViewType == XY)
      str = "XY Top";
    else if (m_nViewType == XZ)
      str = "XZ Front";

    if (m_pParent != NULL)
      gtk_window_set_title (GTK_WINDOW (m_pParent), str);
  }
}

void XYWnd::Redraw(unsigned int nBits)
{
  m_nUpdateBits = nBits;
  gtk_widget_queue_draw(m_pWidget);
  m_nUpdateBits = W_XY;
}

bool XYWnd::RotateMode()
{
  return g_bRotateMode;
}

bool XYWnd::ScaleMode()
{
  return g_bScaleMode;
}

bool XYWnd::SetRotateMode(bool bMode)
{
  if (bMode && selected_brushes.next != &selected_brushes)
  {
    g_bRotateMode = true;
    Select_GetTrueMid(g_vRotateOrigin);
    g_vRotation[0] = g_vRotation[1] = g_vRotation[2] = 0.0;
  }
  else
  {
    if (bMode)
      Sys_Printf("Need a brush selected to turn on Mouse Rotation mode\n");
    g_bRotateMode = false;
  }
  RedrawWindow();
  return g_bRotateMode;
}

void XYWnd::SetScaleMode(bool bMode)
{
  g_bScaleMode = bMode;
  RedrawWindow();
}

rectangle_t rectangle_from_area_xy()
{
  XYWnd* xy = g_pParentWnd->ActiveXY();
  int nDim1 = (xy->GetViewType() == YZ) ? 1 : 0;
  int nDim2 = (xy->GetViewType() == XY) ? 1 : 2;
  float origin_left = xy->GetOrigin()[nDim1] - (xy->Width() / 2) / xy->Scale();
  float origin_bottom = xy->GetOrigin()[nDim2] - (xy->Height() / 2) / xy->Scale();
  float left = MIN(g_qeglobals.d_vAreaTL[nDim1], g_qeglobals.d_vAreaBR[nDim1]) - origin_left;
  float top = MAX(g_qeglobals.d_vAreaTL[nDim2], g_qeglobals.d_vAreaBR[nDim2]) - origin_bottom;
  float right = MAX(g_qeglobals.d_vAreaTL[nDim1], g_qeglobals.d_vAreaBR[nDim1]) - origin_left;
  float bottom = MIN(g_qeglobals.d_vAreaTL[nDim2], g_qeglobals.d_vAreaBR[nDim2]) - origin_bottom;
  left *= xy->Scale();
  top *= xy->Scale();
  right *= xy->Scale();
  bottom *= xy->Scale();
  return rectangle_t(left, bottom, right - left, top - bottom);
}

void update_xor_rectangle_xy(XORRectangle& xor_rectangle)
{
  rectangle_t rectangle;
    if ((g_qeglobals.d_select_mode == sel_area))
    rectangle = rectangle_from_area_xy();
  xor_rectangle.set(rectangle);
}

void XYWnd::OnMouseMove(guint32 nFlags, int pointx, int pointy)
{
  // plugin entities
  // TODO TTimo handle return code
  DispatchOnMouseMove (nFlags, pointx, pointy);

  m_ptDownX = 0;
  m_ptDownY = 0;

  if (g_PrefsDlg.m_bChaseMouse == TRUE &&
      (pointx < 0 || pointy < 0 || pointx > m_nWidth || pointy > m_nHeight) &&
       HasCapture ())
  {
    float fAdjustment = (g_qeglobals.d_gridsize / 8 * 64) / m_fScale;
    //m_ptDrag = point;
    m_ptDragAdjX = 0;
    m_ptDragAdjY = 0;

    if (pointx < 0)
    {
      m_ptDragAdjX = (int)(-fAdjustment);
    }
    else if (pointx > m_nWidth)
    {
      m_ptDragAdjX = (int)(fAdjustment);
    }

    if (pointy < 0)
    {
      m_ptDragAdjY = (int)(-fAdjustment);
    }
    else if (pointy > m_nHeight)
    {
      m_ptDragAdjY = (int)(fAdjustment);
    }

    if (!HasTimer ())
    {
      SetTimer (50);
      m_ptDragX = pointx;
      m_ptDragY = pointy;
      m_ptDragTotalX = 0;
      m_ptDragTotalY = 0;
    }
    return;
  }

  if (HasTimer ())
  {
    KillTimer ();
    pressx -= m_ptDragTotalX;
    pressy += m_ptDragTotalY;
  }

  bool bCrossHair = false;
  if (!m_bRButtonDown)
  {
    tdp[0] = tdp[1] = tdp[2] = 0.0;
    SnapToPoint (pointx, m_nHeight - 1 - pointy , tdp);

    g_strStatus.Format("x:: %.1f  y:: %.1f  z:: %.1f", tdp[0], tdp[1], tdp[2]);
    g_pParentWnd->SetStatusText(1, g_strStatus);

    // i need to generalize the point code.. having 3 flavors pretty much sucks..
    // once the new curve stuff looks like it is going to stick i will
    // rationalize this down to a single interface..
    if (PointMode())
    {
      if (g_pMovingPoint && HasCapture ())
      {
        bCrossHair = true;
        SnapToPoint (pointx, m_nHeight - 1 - pointy , g_pMovingPoint->m_ptClip);
        g_pMovingPoint->UpdatePointPtr();
        Sys_UpdateWindows(XY | W_CAMERA_IFON);
      }
      else
      {
        g_pMovingPoint = NULL;
        int nDim1 = (m_nViewType == YZ) ? 1 : 0;
        int nDim2 = (m_nViewType == XY) ? 1 : 2;
        for (int n = 0; n < g_nPointCount; n++)
        {
          if ( fDiff(g_PointPoints[n].m_ptClip[nDim1], tdp[nDim1]) < 3 &&
               fDiff(g_PointPoints[n].m_ptClip[nDim2], tdp[nDim2]) < 3 )
          {
            bCrossHair = true;
            g_pMovingPoint = &g_PointPoints[n];
          }
        }
      }
    }
    else if (ClipMode())
    {
      if (g_pMovingClip && HasCapture ())
      {
        bCrossHair = true;
        SnapToPoint (pointx, m_nHeight - 1 - pointy , g_pMovingClip->m_ptClip);
        Sys_UpdateWindows(XY | W_CAMERA_IFON);
      }
      else
      {
        g_pMovingClip = NULL;
        int nDim1 = (m_nViewType == YZ) ? 1 : 0;
        int nDim2 = (m_nViewType == XY) ? 1 : 2;
        if (g_Clip1.Set())
        {
          if ( fDiff(g_Clip1.m_ptClip[nDim1], tdp[nDim1]) < 3 &&
               fDiff(g_Clip1.m_ptClip[nDim2], tdp[nDim2]) < 3 )
          {
            bCrossHair = true;
            g_pMovingClip = &g_Clip1;
          }
        }
        if (g_Clip2.Set())
        {
          if ( fDiff(g_Clip2.m_ptClip[nDim1], tdp[nDim1]) < 3 &&
               fDiff(g_Clip2.m_ptClip[nDim2], tdp[nDim2]) < 3 )
          {
            bCrossHair = true;
            g_pMovingClip = &g_Clip2;
          }
        }
        if (g_Clip3.Set())
        {
          if ( fDiff(g_Clip3.m_ptClip[nDim1], tdp[nDim1]) < 3 &&
               fDiff(g_Clip3.m_ptClip[nDim2], tdp[nDim2]) < 3 )
          {
            bCrossHair = true;
            g_pMovingClip = &g_Clip3;
          }
        }
      }
      if (bCrossHair == false)
        XY_MouseMoved (pointx, m_nHeight - 1 - pointy , nFlags);
    }
    else if (PathMode())
    {
      if (g_pMovingPath && HasCapture ())
      {
        bCrossHair = true;
        SnapToPoint (pointx, m_nHeight - 1 - pointy , g_pMovingPath->m_ptClip);
        Sys_UpdateWindows(XY | W_CAMERA_IFON);
      }
      else
      {
        g_pMovingPath = NULL;
        int nDim1 = (m_nViewType == YZ) ? 1 : 0;
        int nDim2 = (m_nViewType == XY) ? 1 : 2;
        for (int n = 0; n < g_nPathCount; n++)
        {
          if ( fDiff(g_PathPoints[n].m_ptClip[nDim1], tdp[nDim1]) < 3 &&
               fDiff(g_PathPoints[n].m_ptClip[nDim2], tdp[nDim2]) < 3 )
          {
            bCrossHair = true;
            g_pMovingPath = &g_PathPoints[n];
          }
        }
      }
    }
    else
    {
      XY_MouseMoved (pointx, m_nHeight - 1 - pointy , nFlags);
    }
  }
  else
  {
    XY_MouseMoved (pointx, m_nHeight - 1 - pointy , nFlags);
  }

  if ((nFlags & MK_RBUTTON) == 0)
  {
    if (bCrossHair && !g_bWaitCursor)
    {
      GdkCursor *cursor;
      cursor = gdk_cursor_new (GDK_CROSSHAIR);
      gdk_window_set_cursor (m_pWidget->window, cursor);
      gdk_cursor_unref (cursor);
    }
    else
    {
      gdk_window_set_cursor (m_pWidget->window, NULL);
    }
  }

  update_xor_rectangle_xy(m_XORRectangle);
}

void XYWnd::OnMouseWheel(bool bUp)
{
  if (bUp)
    g_pParentWnd->OnViewZoomin ();
  else
    g_pParentWnd->OnViewZoomout ();

  int nUpdate = (g_PrefsDlg.m_bCamXYUpdate) ? (W_CAMERA | W_XY) : (W_CAMERA);
  Sys_UpdateWindows (nUpdate);
  g_pParentWnd->OnTimer ();
}

void XYWnd::OnTimer ()
{
  int nDim1 = (m_nViewType == YZ) ? 1 : 0;
  int nDim2 = (m_nViewType == XY) ? 1 : 2;
  m_vOrigin[nDim1] += m_ptDragAdjX / m_fScale;
  m_vOrigin[nDim2] -= m_ptDragAdjY / m_fScale;
  Sys_UpdateWindows(W_XY | W_CAMERA);
  m_ptDragX += m_ptDragAdjX;
  m_ptDragY += m_ptDragAdjY;
  m_ptDragTotalX += m_ptDragAdjX;
  m_ptDragTotalY += m_ptDragAdjY;
  XY_MouseMoved (m_ptDragX, m_nHeight - 1 - m_ptDragY , m_nScrollFlags);
}

void XYWnd::OnLButtonDown(guint32 flags, int pointx, int pointy)
{
  g_pParentWnd->SetActiveXY(this);
  UndoCopy();

  // plugin entities
  if (DispatchOnLButtonDown(flags, pointx, pointy))
    return;

  if (ClipMode() && !RogueClipMode())
  {
    DropClipPoint(flags, pointx, pointy);
  }
  else if (PathMode())
  {
    DropPathPoint(flags, pointx, pointy);
  }
  else OriginalButtonDown(flags, pointx, pointy);
}

void XYWnd::OnMButtonDown(guint32 flags, int pointx, int pointy)
{
  OriginalButtonDown(flags, pointx, pointy);
}

void XYWnd::OnRButtonDown(guint32 flags, int pointx, int pointy)
{
  g_pParentWnd->SetActiveXY(this);
  m_ptDownX = pointx;
  m_ptDownY = pointy;
  m_bRButtonDown = true;

  if (g_PrefsDlg.m_nMouseButtons == 3) // 3 button mouse
  {
    if (flags & MK_CONTROL)
    {
      if (ClipMode()) // already there?
        DropClipPoint(flags, pointx, pointy);
      else
      {
        SetClipMode(true);
        g_bRogueClipMode = true;
        DropClipPoint(flags, pointx, pointy);
      }
      return;
    }
  }
  OriginalButtonDown(flags, pointx, pointy);
}

void XYWnd::OnLButtonUp(guint32 flags, int pointx, int pointy)
{
  // plugin entities
  if (DispatchOnLButtonUp(flags, pointx, pointy))
    return;

  if (ClipMode())
  {
    if (g_pMovingClip)
    {
      ReleaseCapture();
      g_pMovingClip = NULL;
    }
  }
  OriginalButtonUp(flags, pointx, pointy);
}

void XYWnd::OnMButtonUp(guint32 flags, int pointx, int pointy)
{
  OriginalButtonUp(flags, pointx, pointy);
}

void XYWnd::OnRButtonUp(guint32 flags, int pointx, int pointy)
{
  m_bRButtonDown = false;
  if ((pointx == m_ptDownX) && (pointy == m_ptDownY))   // mouse didn't move
  {
    bool bGo = true;
    if (Sys_AltDown ())
      bGo = false;
    if (flags & MK_CONTROL)
      bGo = false;
    if (flags & MK_SHIFT)
      bGo = false;
    if (bGo)
      HandleDrop();
  }
  OriginalButtonUp(flags, pointx, pointy);
}

void XYWnd::XY_MouseDown (int x, int y, int buttons)
{
  vec3_t    point;
  vec3_t    origin, dir, right, up;

  m_nButtonstate = buttons;
  m_nPressx = x;
  m_nPressy = y;
  VectorCopy (vec3_origin, m_vPressdelta);

  VectorClear(point);
  XY_ToPoint (x, y, point);

  VectorCopy (point, origin);

    VectorClear (dir);
    if (m_nViewType == XY) // view facing dir = negative Z
    {
        origin[2] = g_MaxWorldCoord;
        dir[2] = -1;
        right[0] = 1 / m_fScale;
        right[1] = 0;
        right[2] = 0;
        up[0] = 0;
        up[1] = 1 / m_fScale;
        up[2] = 0;
    }
    else if (m_nViewType == XZ)
    {
        origin[1] = g_MinWorldCoord; // view facing dir = positive Y
        dir[1] = 1;
        right[0] = 1 / m_fScale;
        right[1] = 0;
        right[2] = 0;
        up[0] = 0;
        up[1] = 0;
        up[2] = 1 / m_fScale;
    }
    else  // if (m_nViewType == YZ)  // view facing dir = negative X
    {
        origin[0] = g_MaxWorldCoord;
        dir[0] = -1;
        right[0] = 0;
        right[1] = 1 / m_fScale;
        right[2] = 0;
        up[0] = 0;
        up[1] = 0;
        up[2] = 1 / m_fScale;
    }

  m_bPress_selection = (selected_brushes.next != &selected_brushes);

  Sys_GetCursorPos(&m_ptCursorX, &m_ptCursorY);

  // lbutton = manipulate selection
  // shift-LBUTTON = select
  if ( (buttons == MK_LBUTTON)
       || (buttons == (MK_LBUTTON | MK_SHIFT))
       || (buttons == (MK_LBUTTON | MK_CONTROL))
       || (buttons == (MK_LBUTTON | MK_CONTROL | MK_SHIFT)) )
  {
    Patch_SetView( (m_nViewType == XY) ? W_XY : (m_nViewType == YZ) ? W_YZ : W_XZ);
    Drag_Begin (x, y, buttons, right, up,   origin, dir);
    return;
  }

  int nMouseButton = g_PrefsDlg.m_nMouseButtons == 2 ? MK_RBUTTON : MK_MBUTTON;

  // control mbutton = move camera
  if (m_nButtonstate == (MK_CONTROL|nMouseButton) )
  {
    VectorCopyXY(point, g_pParentWnd->GetCamWnd()->Camera()->origin);
    Sys_UpdateWindows (W_CAMERA|W_XY_OVERLAY);
  }

  // mbutton = angle camera
  if ((g_PrefsDlg.m_nMouseButtons == 3 && m_nButtonstate == MK_MBUTTON) ||
      (g_PrefsDlg.m_nMouseButtons == 2 && m_nButtonstate == (MK_SHIFT|MK_CONTROL|MK_RBUTTON)))
  {
    VectorSubtract (point, g_pParentWnd->GetCamWnd()->Camera()->origin, point);

    int n1 = (m_nViewType == XY) ? 1 : 2;
    int n2 = (m_nViewType == YZ) ? 1 : 0;
    int nAngle = (m_nViewType == XY) ? YAW : PITCH;
    if (point[n1] || point[n2])
    {
      g_pParentWnd->GetCamWnd()->Camera()->angles[nAngle] = 180/Q_PI*atan2 (point[n1], point[n2]);
      Sys_UpdateWindows (W_CAMERA_IFON|W_XY_OVERLAY);
    }
  }

  // shift mbutton = move z checker
  if (m_nButtonstate == (MK_SHIFT | nMouseButton))
  {
    if (RotateMode() || g_bPatchBendMode)
    {
      SnapToPoint (x, y, point);
      VectorCopyXY(point, g_vRotateOrigin);
      if (g_bPatchBendMode)
      {
        VectorCopy(point, g_vBendOrigin);
      }
      Sys_UpdateWindows (W_XY);
      return;
    }
    else
    {
      SnapToPoint (x, y, point);
      if (m_nViewType == XY)
      {
        z.origin[0] = point[0];
        z.origin[1] = point[1];
      }
      else if (m_nViewType == YZ)
      {
        z.origin[0] = point[1];
        z.origin[1] = point[2];
      }
      else
      {
        z.origin[0] = point[0];
        z.origin[1] = point[2];
      }
      Sys_UpdateWindows (W_XY_OVERLAY|W_Z);
      return;
    }
  }

  update_xor_rectangle_xy(m_XORRectangle);
}

void XYWnd::XY_MouseUp(int x, int y, int buttons)
{
  Drag_MouseUp (buttons);
  if (!m_bPress_selection)
    Sys_UpdateWindows (W_ALL);
  m_nButtonstate = 0;

  gdk_window_set_cursor (m_pWidget->window, NULL);

  update_xor_rectangle_xy(m_XORRectangle);
}

qboolean XYWnd::DragDelta (int x, int y, vec3_t move)
{
  vec3_t xvec, yvec, delta;
  int    i;

  xvec[0] = 1 / m_fScale;
  xvec[1] = xvec[2] = 0;
  yvec[1] = 1 / m_fScale;
  yvec[0] = yvec[2] = 0;

  for (i=0 ; i<3 ; i++)
  {
    delta[i] = xvec[i] * (x - m_nPressx) + yvec[i] * (y - m_nPressy);
    if (!g_PrefsDlg.m_bNoClamp)
    {
      delta[i] = floor(delta[i] / g_qeglobals.d_gridsize + 0.5) * g_qeglobals.d_gridsize;
    }
  }
  VectorSubtract (delta, m_vPressdelta, move);
  VectorCopy (delta, m_vPressdelta);

  if (move[0] || move[1] || move[2])
    return true;
  return false;
}

void XYWnd::HandleDrop()
{
  if (g_PrefsDlg.m_bRightClick == false)
    return;

  if (m_mnuDrop == NULL) // first time, load it up
  {
    int nID = ID_ENTITY_START;
    GtkWidget *menu, *menu_in_menu, *item, *submenu, *submenu_root;

    menu = m_mnuDrop = gtk_menu_new ();

    menu_in_menu = create_menu_in_menu_with_mnemonic (menu, "Select");
    create_menu_item_with_mnemonic (menu_in_menu, "Select Complete Tall",
              GTK_SIGNAL_FUNC (HandleCommand), ID_SELECTION_SELECTCOMPLETETALL);
    create_menu_item_with_mnemonic (menu_in_menu, "Select Touching",
              GTK_SIGNAL_FUNC (HandleCommand), ID_SELECTION_SELECTTOUCHING);
    create_menu_item_with_mnemonic (menu_in_menu, "Select Partial Tall",
              GTK_SIGNAL_FUNC (HandleCommand), ID_SELECTION_SELECTPARTIALTALL);
    create_menu_item_with_mnemonic (menu_in_menu, "Select Inside",
              GTK_SIGNAL_FUNC (HandleCommand), ID_SELECTION_SELECTINSIDE);
    menu_separator (menu); nID++;
    // NOTE: temporary commented out until we put it back in for good (that is with actual features)
    /*
    menu_in_menu = create_menu_in_menu_with_mnemonic (menu, "Group",);
    create_menu_item_with_mnemonic (menu_in_menu, "Add to...",
              GTK_SIGNAL_FUNC (HandleCommand), ID_DROP_GROUP_ADDTO);
    create_menu_item_with_mnemonic (menu_in_menu, "Remove",
              GTK_SIGNAL_FUNC (HandleCommand), ID_DROP_GROUP_REMOVE);
    create_menu_item_with_mnemonic (menu_in_menu, "Name...",
              GTK_SIGNAL_FUNC (HandleCommand), ID_DROP_GROUP_NAME);
    menu_separator (menu_in_menu); nID++;
    create_menu_item_with_mnemonic (menu_in_menu, "New Group...",
              GTK_SIGNAL_FUNC (HandleCommand), ID_DROP_GROUP_NEWGROUP);
    */
    create_menu_item_with_mnemonic (menu, "Ungroup Entity",
              GTK_SIGNAL_FUNC (HandleCommand), ID_SELECTION_UNGROUPENTITY);

    create_menu_item_with_mnemonic (menu, "Move into entity",
      GTK_SIGNAL_FUNC (HandleCommand), ID_SELECTION_MERGE);
    create_menu_item_with_mnemonic (menu, "Move into worldspawn",
      GTK_SIGNAL_FUNC (HandleCommand), ID_SELECTION_SEPERATE);

    create_menu_item_with_mnemonic (menu, "Make Detail",
              GTK_SIGNAL_FUNC (HandleCommand), ID_SELECTION_MAKE_DETAIL);
    create_menu_item_with_mnemonic (menu, "Make Structural",
              GTK_SIGNAL_FUNC (HandleCommand), ID_SELECTION_MAKE_STRUCTURAL);
    menu_separator (menu); nID++;

    menu_in_menu = create_menu_in_menu_with_mnemonic (menu, "Smart Entities");
    create_menu_item_with_mnemonic (menu_in_menu, "Smart__Train",
              GTK_SIGNAL_FUNC (HandleCommand), nID++);
    menu_separator (menu); nID++;

    submenu = NULL;
    submenu_root = NULL;
    eclass_t    *e;
    CString strActive;
    CString strLast;
    CString strName;
    for (e=eclass ; e ; e=e->next)
    {
      strLast = strName;
      strName = e->name;
      int n_ = strName.Find("_");
      if (n_ > 0)
      {
        CString strLeft = strName.Left(n_);
        CString strRight = strName.Right(strName.GetLength() - n_ - 1);
        if (strLeft == strActive) // this is a child
        {
          assert (submenu);
          item = gtk_menu_item_new_with_label (strName);
          gtk_signal_connect (GTK_OBJECT (item), "activate", GTK_SIGNAL_FUNC (HandleCommand),
            GINT_TO_POINTER (nID++));
          gtk_widget_show (item);
          CheckMenuSplitting(submenu);
          gtk_menu_append (GTK_MENU (submenu), item);
        }
        else
        {
          if (submenu)
          {
            // this is submenu from previous main_item, hook it back
            // we use submenu_root cause we may have been cascading submenu
            item = gtk_menu_item_new_with_label (strActive);
            gtk_widget_show (item);
            gtk_menu_append (GTK_MENU (menu), item);
            gtk_menu_item_set_submenu (GTK_MENU_ITEM (item), submenu_root);
            g_ptrMenus.Add(submenu_root);
            submenu = NULL;
            submenu_root = NULL;
          }
          strActive = strLeft;

          submenu = gtk_menu_new ();
          submenu_root = submenu;
          item = gtk_menu_item_new_with_label (strName);
          gtk_signal_connect (GTK_OBJECT (item), "activate", GTK_SIGNAL_FUNC (HandleCommand),
            GINT_TO_POINTER (nID++));
          gtk_widget_show (item);
          gtk_menu_append (GTK_MENU (submenu), item);
        }
      }
      else
      {
        if (submenu)
        {
          // this is submenu from previous main_item, hook it back
          // we use submenu_root cause we may have been cascading submenu
          item = gtk_menu_item_new_with_label (strActive);
          gtk_widget_show (item);
          gtk_menu_append (GTK_MENU (menu), item);
          gtk_menu_item_set_submenu (GTK_MENU_ITEM (item), submenu_root);
          g_ptrMenus.Add(submenu_root);
          submenu = NULL;
          submenu_root = NULL;
        }
        strActive = "";

        item = gtk_menu_item_new_with_label (strName);
        gtk_signal_connect (GTK_OBJECT (item), "activate", GTK_SIGNAL_FUNC (HandleCommand),
          GINT_TO_POINTER (nID++));
        gtk_widget_show (item);
        gtk_menu_append (GTK_MENU (menu), item);
      }
    }
  }

  gtk_menu_popup (GTK_MENU (m_mnuDrop), NULL, NULL, NULL, NULL, 1, GDK_CURRENT_TIME);
}

/*
==============
NewBrushDrag
==============
*/
void XYWnd::NewBrushDrag (int x, int y)
{
  vec3_t    mins, maxs, junk;
  int       i;
  float temp;
  brush_t   *n;

  if (!DragDelta (x,y, junk))
    return;

  // delete the current selection
  if (selected_brushes.next != &selected_brushes)
    Brush_Free (selected_brushes.next);

  SnapToPoint (m_nPressx, m_nPressy, mins);

  int nDim = (m_nViewType == XY) ? 2 : (m_nViewType == YZ) ? 0 : 1;

  //++timo clean
//  mins[nDim] = g_qeglobals.d_gridsize * ((int)(g_qeglobals.d_new_brush_bottom_z / g_qeglobals.d_gridsize));
  mins[nDim] = g_qeglobals.d_gridsize * ((int)(g_qeglobals.d_work_min[nDim]/g_qeglobals.d_gridsize));

    SnapToPoint (x, y, maxs);
//  maxs[nDim] = g_qeglobals.d_gridsize * ((int)(g_qeglobals.d_new_brush_top_z / g_qeglobals.d_gridsize));
  maxs[nDim] = g_qeglobals.d_gridsize * ((int)(g_qeglobals.d_work_max[nDim]/g_qeglobals.d_gridsize));
  if (maxs[nDim] <= mins[nDim])
    maxs[nDim] = mins[nDim] + g_qeglobals.d_gridsize;

  for (i=0 ; i<3 ; i++)
  {
    if (mins[i] == maxs[i])
      return;   // don't create a degenerate brush
    if (mins[i] > maxs[i])
    {
      temp = mins[i];
      mins[i] = maxs[i];
      maxs[i] = temp;
    }
  }

  n = Brush_Create (mins, maxs, &g_qeglobals.d_texturewin.texdef);
  if (!n)
    return;

  vec3_t vSize;
  VectorSubtract(maxs, mins, vSize);
  g_strStatus.Format("Size X:: %.1f  Y:: %.1f  Z:: %.1f", vSize[0], vSize[1], vSize[2]);
  g_pParentWnd->SetStatusText(2, g_strStatus);

  Brush_AddToList (n, &selected_brushes);

  Entity_LinkBrush (world_entity, n);

  Brush_Build( n );

  //    Sys_UpdateWindows (W_ALL);
  Sys_UpdateWindows (W_XY| W_CAMERA);

}

/*
==============
XY_MouseMoved
==============
*/
void XYWnd::XY_MouseMoved (int x, int y, int buttons)
{
  vec3_t point;

  if (!m_nButtonstate)
  {
    if (g_bCrossHairs)
    {
      Sys_UpdateWindows (W_XY | W_XY_OVERLAY);
    }
    return;
  }

  // lbutton without selection = drag new brush
  if (m_nButtonstate == MK_LBUTTON && !m_bPress_selection && g_qeglobals.d_select_mode != sel_curvepoint && g_qeglobals.d_select_mode != sel_areatall)
  {
    NewBrushDrag (x, y);
    return;
  }

  // lbutton (possibly with control and or shift)
  // with selection = drag selection
  if (m_nButtonstate & MK_LBUTTON)
  {
    Drag_MouseMoved (x, y, buttons);
    if(g_qeglobals.d_select_mode != sel_area)
      Sys_UpdateWindows (W_XY_OVERLAY | W_CAMERA_IFON | W_Z);
    return;
  }

  int nMouseButton = g_PrefsDlg.m_nMouseButtons == 2 ? MK_RBUTTON : MK_MBUTTON;
  // control mbutton = move camera
  if (m_nButtonstate == (MK_CONTROL|nMouseButton) )
  {
    SnapToPoint (x, y, point);
    VectorCopyXY(point, g_pParentWnd->GetCamWnd()->Camera()->origin);
    Sys_UpdateWindows (W_XY_OVERLAY | W_CAMERA);
    return;
  }

  // shift mbutton = move z checker
  if (m_nButtonstate == (MK_SHIFT|nMouseButton) )
  {
    if (RotateMode() || g_bPatchBendMode)
    {
      SnapToPoint (x, y, point);
      VectorCopyXY(point, g_vRotateOrigin);
      if (g_bPatchBendMode)
      {
        VectorCopy(point, g_vBendOrigin);
      }
      Sys_UpdateWindows (W_XY);
      return;
    }
    else
    {
      SnapToPoint (x, y, point);
      if (m_nViewType == XY)
      {
        z.origin[0] = point[0];
        z.origin[1] = point[1];
      }
      else if (m_nViewType == YZ)
      {
        z.origin[0] = point[1];
        z.origin[1] = point[2];
      }
      else
      {
        z.origin[0] = point[0];
        z.origin[1] = point[2];
      }
    }
    Sys_UpdateWindows (W_XY_OVERLAY|W_Z);
    return;
  }

  // mbutton = angle camera
  if ((g_PrefsDlg.m_nMouseButtons == 3 && m_nButtonstate == MK_MBUTTON) ||
      (g_PrefsDlg.m_nMouseButtons == 2 && m_nButtonstate == (MK_SHIFT|MK_CONTROL|MK_RBUTTON)))
  {
    SnapToPoint (x, y, point);
    VectorSubtract (point, g_pParentWnd->GetCamWnd()->Camera()->origin, point);

    int n1 = (m_nViewType == XY) ? 1 : 2;
    int n2 = (m_nViewType == YZ) ? 1 : 0;
    int nAngle = (m_nViewType == XY) ? YAW : PITCH;
    if (point[n1] || point[n2])
    {
      g_pParentWnd->GetCamWnd()->Camera()->angles[nAngle] = 180/Q_PI*atan2 (point[n1], point[n2]);
      Sys_UpdateWindows (W_CAMERA_IFON|W_XY_OVERLAY);
    }
    return;
  }

  // rbutton = drag xy origin
  if (m_nButtonstate == MK_RBUTTON)
  {
    Sys_GetCursorPos (&x, &y);
    if (x != m_ptCursorX || y != m_ptCursorY)
    {
      int nDim1 = (m_nViewType == YZ) ? 1 : 0;
      int nDim2 = (m_nViewType == XY) ? 1 : 2;
      m_vOrigin[nDim1] -= (x - m_ptCursorX) / m_fScale;
      m_vOrigin[nDim2] += (y - m_ptCursorY) / m_fScale;
      Sys_SetCursorPos (m_ptCursorX, m_ptCursorY);

      // create an empty cursor
      if (!g_bWaitCursor)
      {
        GdkPixmap *pixmap;
        GdkBitmap *mask;
        char buffer [(32 * 32)/8];
        memset (buffer, 0, (32 * 32)/8);
        GdkColor white = {0, 0xffff, 0xffff, 0xffff};
        GdkColor black = {0, 0x0000, 0x0000, 0x0000};
        pixmap = gdk_bitmap_create_from_data (NULL, buffer, 32, 32);
        mask   = gdk_bitmap_create_from_data (NULL, buffer, 32, 32);
        GdkCursor *cursor = gdk_cursor_new_from_pixmap (pixmap, mask, &white, &black, 1, 1);
        gdk_window_set_cursor (m_pWidget->window, cursor);
        gdk_cursor_unref (cursor);
        gdk_drawable_unref (pixmap);
        gdk_drawable_unref (mask);
      }

      Sys_UpdateWindows (W_XY | W_XY_OVERLAY);
    }
    return;
  }

  // zoom in/out
  if (m_nButtonstate == (MK_SHIFT | MK_RBUTTON))
  {
    Sys_GetCursorPos (&x, &y);
    if (y != m_ptCursorY)
    {
      if (abs (m_ptCursorY - y) > 10)
      {
        if (m_ptCursorY < y)
          g_pParentWnd->OnViewZoomout ();
        else
          g_pParentWnd->OnViewZoomin ();

        Sys_SetCursorPos (m_ptCursorX, m_ptCursorY);
      }
    }
    return;
  }
}

void XYWnd::OriginalButtonDown(guint32 nFlags, int pointx, int pointy)
{
  SetFocus();
  SetCapture();
  XY_MouseDown (pointx, m_pWidget->allocation.height - 1 - pointy , nFlags);
  m_nScrollFlags = nFlags;
}

void XYWnd::OriginalButtonUp(guint32 nFlags, int pointx, int pointy)
{
  XY_MouseUp (pointx, m_pWidget->allocation.height - 1 - pointy , nFlags);
  ReleaseCapture ();
}

void XYWnd::DropClipPoint(guint32 nFlags, int pointx, int pointy)
{
  if (g_pMovingClip)
  {
    SetCapture();
    SnapToPoint (pointx, m_pWidget->allocation.height - 1 - pointy , *g_pMovingClip);
  }
  else
  {
    vec3_t* pPt = NULL;
    if (g_Clip1.Set() == false)
    {
      pPt = g_Clip1;
      g_Clip1.Set(true);
      g_Clip1.m_ptScreenX = pointx;
      g_Clip1.m_ptScreenY = pointy;
    }
    else
    if (g_Clip2.Set() == false)
    {
      pPt = g_Clip2;
      g_Clip2.Set(true);
      g_Clip2.m_ptScreenX = pointx;
      g_Clip2.m_ptScreenY = pointy;
    }
    else
    if (g_Clip3.Set() == false)
    {
      pPt = g_Clip3;
      g_Clip3.Set(true);
      g_Clip3.m_ptScreenX = pointx;
      g_Clip3.m_ptScreenY = pointy;
    }
    else
    {
      RetainClipMode(true);
      pPt = g_Clip1;
      g_Clip1.Set(true);
      g_Clip1.m_ptScreenX = pointx;
      g_Clip1.m_ptScreenY = pointy;
    }
    SnapToPoint (pointx, m_pWidget->allocation.height - 1 - pointy , *pPt);
    // third coordinates for clip point: use d_work_max
    // Arnout: changed to use center of selection for clipping, saves level designers moving points all over the map
    // g_pParentWnd->ActiveXY()->GetViewType()
    // cf VIEWTYPE defintion: enum VIEWTYPE {YZ, XZ, XY};
    int nViewType = g_pParentWnd->ActiveXY()->GetViewType();
    int nDim = (nViewType == YZ ) ? nDim = 0 : ( (nViewType == XZ) ? nDim = 1 : nDim = 2 );
    //(*pPt)[nDim] = g_qeglobals.d_work_max[nDim];
    vec3_t mid;
    Select_GetMid( mid );
    (*pPt)[nDim] = mid[nDim];
  }
  Sys_UpdateWindows(XY | W_CAMERA_IFON);
}

void XYWnd::DropPathPoint(guint32 nFlags, int pointx, int pointy)
{
  if (g_pMovingPath)
  {
    SetCapture();
    SnapToPoint (pointx, m_pWidget->allocation.height - 1 - pointy , *g_pMovingPath);
  }
  else
  {
    g_PathPoints[g_nPathCount].Set(true);
    g_PathPoints[g_nPathCount].m_ptScreenX = pointx;
    g_PathPoints[g_nPathCount].m_ptScreenY = pointy;
    SnapToPoint(pointx, m_pWidget->allocation.height - 1 - pointy, g_PathPoints[g_nPathCount]);
    // third coordinates for dropped point: use d_work_max
    // g_pParentWnd->ActiveXY()->GetViewType()
    // cf VIEWTYPE definition: enum VIEWTYPE {YZ, XZ, XY};
    int nViewType = g_pParentWnd->ActiveXY()->GetViewType();
    int nDim = (nViewType == YZ ) ? nDim = 0 : ( (nViewType == XZ) ? nDim = 1 : nDim = 2 );
    g_PathPoints[g_nPathCount].m_ptClip[nDim] = g_qeglobals.d_work_max[nDim];

    g_nPathCount++;
    if (g_nPathCount == g_nPathLimit)
    {
      if (g_pPathFunc)
        g_pPathFunc(true, g_nPathCount);
      g_nPathCount = 0;
      g_bPathMode = false;
      g_pPathFunc = NULL;
    }
  }
  Sys_UpdateWindows(XY | W_CAMERA_IFON);
}

// FIXME: AddPointPoint() redundant function never called
#if 0
void XYWnd::AddPointPoint(guint32 nFlags, vec3_t* pVec)
{
  g_PointPoints[g_nPointCount].Set(true);
  //g_PointPoints[g_nPointCount].m_ptScreen = point;
  _VectorCopy(*pVec, g_PointPoints[g_nPointCount]);
  g_PointPoints[g_nPointCount].SetPointPtr(pVec);
  g_nPointCount++;
  Sys_UpdateWindows(XY | W_CAMERA_IFON);
}

// FIXME: ProduceSplits() redundant function never called
void XYWnd::ProduceSplits(brush_t** pFront, brush_t** pBack)
{
  *pFront = NULL;
  *pBack = NULL;
  if (ClipMode())
  {
    if (g_Clip1.Set() && g_Clip2.Set())
    {
      face_t face;
      VectorCopy(g_Clip1.m_ptClip,face.planepts[0]);
      VectorCopy(g_Clip2.m_ptClip,face.planepts[1]);
      VectorCopy(g_Clip3.m_ptClip,face.planepts[2]);
      if (selected_brushes.next && (selected_brushes.next->next == &selected_brushes))
      {
        if (g_Clip3.Set() == false)
        {
          if (m_nViewType == XY)
          {
            face.planepts[0][2] = selected_brushes.next->mins[2];
            face.planepts[1][2] = selected_brushes.next->mins[2];
            face.planepts[2][0] = Betwixt(g_Clip1.m_ptClip[0], g_Clip2.m_ptClip[0]);
            face.planepts[2][1] = Betwixt(g_Clip1.m_ptClip[1], g_Clip2.m_ptClip[1]);
            face.planepts[2][2] = selected_brushes.next->maxs[2];
          }
          else if (m_nViewType == YZ)
          {
            face.planepts[0][0] = selected_brushes.next->mins[0];
            face.planepts[1][0] = selected_brushes.next->mins[0];
            face.planepts[2][1] = Betwixt(g_Clip1.m_ptClip[1], g_Clip2.m_ptClip[1]);
            face.planepts[2][2] = Betwixt(g_Clip1.m_ptClip[2], g_Clip2.m_ptClip[2]);
            face.planepts[2][0] = selected_brushes.next->maxs[0];
          }
          else
          {
            face.planepts[0][1] = selected_brushes.next->mins[1];
            face.planepts[1][1] = selected_brushes.next->mins[1];
            face.planepts[2][0] = Betwixt(g_Clip1.m_ptClip[0], g_Clip2.m_ptClip[0]);
            face.planepts[2][2] = Betwixt(g_Clip1.m_ptClip[2], g_Clip2.m_ptClip[2]);
            face.planepts[2][1] = selected_brushes.next->maxs[1];
          }
        }

        Brush_SplitBrushByFace (selected_brushes.next, &face, pFront, pBack);
      }

    }
  }
}
#endif

void XYWnd::PlanePointsFromClipPoints(vec3_t planepts[3], brush_t *pBrush)
{
  VectorCopy(g_Clip1.m_ptClip,planepts[0]);
	VectorCopy(g_Clip2.m_ptClip,planepts[1]);
	VectorCopy(g_Clip3.m_ptClip,planepts[2]);
	if (g_Clip3.Set() == false)
	{
		int n = (g_pParentWnd->ActiveXY()->GetViewType() == XY) ? 2 : (g_pParentWnd->ActiveXY()->GetViewType() == YZ) ? 0 : 1;
		int x = (n == 0) ? 1 : 0;
		int y = (n == 2) ? 1 : 2;

		if (n == 1) // on viewtype XZ, flip clip points
		{
		planepts[0][n] = pBrush->maxs[n];
		planepts[1][n] = pBrush->maxs[n];
		planepts[2][x] = g_Clip1.m_ptClip[x];
		planepts[2][y] = g_Clip1.m_ptClip[y];
		planepts[2][n] = pBrush->mins[n];
		}
		else
		{
		planepts[0][n] = pBrush->mins[n];
		planepts[1][n] = pBrush->mins[n];
		planepts[2][x] = g_Clip1.m_ptClip[x];
		planepts[2][y] = g_Clip1.m_ptClip[y];
		planepts[2][n] = pBrush->maxs[n];
		}
	}
}

void XYWnd::ProduceSplitLists()
{
	bool bCaulk = false;
  int nFlags;

	if (AnyPatchesSelected())
	{
		Sys_Printf("Deselecting patches for clip operation.\n");
		brush_t *next;
		for (brush_t *pb = selected_brushes.next ; pb != &selected_brushes ; pb = next)
		{
			next = pb->next;
			if (pb->patchBrush)
			{
				Brush_RemoveFromList (pb);
				Brush_AddToList (pb, &active_brushes);
				UpdatePatchInspector();
			}
		}
        // ydnar: update the window if any patches are selected
        Sys_UpdateWindows( XY | W_CAMERA_IFON );
	}

	CleanList(&g_brFrontSplits);
	CleanList(&g_brBackSplits);
	g_brFrontSplits.next = &g_brFrontSplits;
	g_brBackSplits.next = &g_brBackSplits;
	if (ClipMode() && (g_Clip1.Set() && g_Clip2.Set()))
	{
		brush_t* pBrush;
		for (pBrush = selected_brushes.next ; pBrush != NULL && pBrush != &selected_brushes ; pBrush=pBrush->next)
		{
			brush_t* pFront = NULL;
			brush_t* pBack = NULL;

			face_t face;
			memset(&face,0,sizeof(face_t));
      PlanePointsFromClipPoints(face.planepts, pBrush);

			// decide wether caulking should be applied on the splits
      // FIXME: hack
      // this should take the first brush face, check shader for NODRAW, if it isn't nodraw then find the appropriate
      // common/ shader to use, out of solid+nodraw, nonsolid+nodraw, water+nodraw, lava+nodraw, nonsolid+nodraw+trans, water+nodraw+trans, lava+nodraw+trans.. and fog.. etc
      // or if none of those apply (unlikely), construct a new shader (shadername_nodraw) based on the shader of the first face, but with surfaceparm nodraw
			if (g_PrefsDlg.m_bClipCaulk)
			{
        nFlags = pBrush->brush_faces->pShader->getFlags();
			  if ((nFlags & QER_NODRAW) || (nFlags & QER_NONSOLID) || (nFlags & QER_WATER) || (nFlags & QER_LAVA) || (nFlags & QER_FOG)) // first face shader is anything other than solid AND opaque like caulk
					bCaulk = false; // use first face's shader for the splitting face
				else
					bCaulk = true; // use caulk
			}

			Brush_SplitBrushByFace (pBrush, &face, &pFront, &pBack, bCaulk);
			if (pBack)
				Brush_AddToList(pBack, &g_brBackSplits);
			if (pFront)
				Brush_AddToList(pFront, &g_brFrontSplits);

		}
	}
}

void XYWnd::XY_Init()
{
  m_vOrigin[0] = 0;
  m_vOrigin[1] = 20;
  m_vOrigin[2] = 46;
  m_fScale = 1;
}

void XYWnd::SnapToPoint (int x, int y, vec3_t point)
{
  if (g_PrefsDlg.m_bNoClamp)
  {
    XY_ToPoint(x, y, point);
  }
  else
  {
    XY_ToGridPoint(x, y, point);
  }
}

// TTimo: watch it, this doesn't init one of the 3 coords
void XYWnd::XY_ToPoint (int x, int y, vec3_t point)
{
  float fx = x;
  float fy = y;
  float fw = m_nWidth;
  float fh = m_nHeight;
  if (m_nViewType == XY)
  {
    point[0] = m_vOrigin[0] + (fx - fw / 2) / m_fScale;
    point[1] = m_vOrigin[1] + (fy - fh / 2) / m_fScale;
  }
  else if (m_nViewType == YZ)
  {
    point[1] = m_vOrigin[1] + (fx - fw / 2) / m_fScale;
    point[2] = m_vOrigin[2] + (fy - fh / 2 ) / m_fScale;
  }
  else
  {
    point[0] = m_vOrigin[0] + (fx - fw / 2) / m_fScale;
    point[2] = m_vOrigin[2] + (fy - fh / 2) / m_fScale;
  }
}

void XYWnd::XY_ToGridPoint (int x, int y, vec3_t point)
{
  if (m_nViewType == XY)
  {
    point[0] = m_vOrigin[0] + (x - m_nWidth / 2) / m_fScale;
    point[1] = m_vOrigin[1] + (y - m_nHeight / 2) / m_fScale;
    point[0] = floor(point[0] / g_qeglobals.d_gridsize + 0.5) * g_qeglobals.d_gridsize;
    point[1] = floor(point[1] / g_qeglobals.d_gridsize + 0.5) * g_qeglobals.d_gridsize;
  }
  else if (m_nViewType == YZ)
  {
    point[1] = m_vOrigin[1] + (x - m_nWidth / 2) / m_fScale;
    point[2] = m_vOrigin[2] + (y - m_nHeight / 2) / m_fScale;
    point[1] = floor(point[1] / g_qeglobals.d_gridsize + 0.5) * g_qeglobals.d_gridsize;
    point[2] = floor(point[2] / g_qeglobals.d_gridsize + 0.5) * g_qeglobals.d_gridsize;
  }
  else
  {
    point[0] = m_vOrigin[0] + (x - m_nWidth / 2) / m_fScale;
    point[2] = m_vOrigin[2] + (y - m_nHeight / 2) / m_fScale;
    point[0] = floor(point[0] / g_qeglobals.d_gridsize + 0.5) * g_qeglobals.d_gridsize;
    point[2] = floor(point[2] / g_qeglobals.d_gridsize + 0.5) * g_qeglobals.d_gridsize;
  }
}

/*
============================================================================

DRAWING

============================================================================
*/

/*
==============
XY_DrawGrid
==============
*/
void XYWnd::XY_DrawGrid()
{
  float x, y, xb, xe, yb, ye;
  float w, h;
  char  text[32];
  int   step, stepx, stepy, colour;
  step = stepx = stepy = MAX (64, (int)g_qeglobals.d_gridsize);

  /*
  int stepSize = (int)(8 / m_fScale);
  if (stepSize > step)
  {
    int i;
    for (i = 1; i < stepSize; i <<= 1)
      ;
    step = i;
  }
  */

  //Sys_Printf("scale: %f\n", m_fScale);
  //Sys_Printf("step before: %i\n", step);
  //Sys_Printf("scaled step: %f\n", step * m_fScale);
  while ((step * m_fScale) < 4.0f) // make sure major grid spacing is at least 4 pixels on the screen
    step *= 8;
  //Sys_Printf("step after: %i\n", step);
  while ((stepx * m_fScale) < 32.0f) // text step x must be at least 32
    stepx *= 2;
  while ((stepy * m_fScale) < 32.0f) // text step y must be at least 32
    stepy *= 2;

  qglDisable(GL_TEXTURE_2D);
  qglDisable(GL_TEXTURE_1D);
  qglDisable(GL_DEPTH_TEST);
  qglDisable(GL_BLEND);

  w = (m_nWidth / 2 / m_fScale);
  h = (m_nHeight / 2 / m_fScale);

  int nDim1 = (m_nViewType == YZ) ? 1 : 0;
  int nDim2 = (m_nViewType == XY) ? 1 : 2;

  xb = m_vOrigin[nDim1] - w;
  if (xb < region_mins[nDim1])
    xb = region_mins[nDim1];
  xb = step * floor (xb/step);

  xe = m_vOrigin[nDim1] + w;
  if (xe > region_maxs[nDim1])
    xe = region_maxs[nDim1];
  xe = step * ceil (xe/step);

  yb = m_vOrigin[nDim2] - h;
  if (yb < region_mins[nDim2])
    yb = region_mins[nDim2];
  yb = step * floor (yb/step);

  ye = m_vOrigin[nDim2] + h;
  if (ye > region_maxs[nDim2])
    ye = region_maxs[nDim2];
  ye = step * ceil (ye/step);

#define COLORS_DIFFER(a,b) \
  (g_qeglobals.d_savedinfo.colors[a][0] != g_qeglobals.d_savedinfo.colors[b][0] || \
   g_qeglobals.d_savedinfo.colors[a][1] != g_qeglobals.d_savedinfo.colors[b][1] || \
   g_qeglobals.d_savedinfo.colors[a][2] != g_qeglobals.d_savedinfo.colors[b][2])

  // djbob
  // draw minor blocks
  if (m_fScale > .1 && g_qeglobals.d_showgrid && g_qeglobals.d_gridsize * m_fScale >= 4)
  {
    if (g_qeglobals.d_gridsize < 1)
      colour = COLOR_GRIDMINOR_ALT;
    else
      colour = COLOR_GRIDMINOR;

    if (COLORS_DIFFER(colour, COLOR_GRIDBACK))
    {
      qglColor3fv(g_qeglobals.d_savedinfo.colors[colour]);

      qglBegin (GL_LINES);
      for (x=xb ; x<xe ; x += g_qeglobals.d_gridsize)
      {
        if (!((int)x & (step-1)) && !((int)x - x))
          continue;
        qglVertex2f (x, yb);
        qglVertex2f (x, ye);
      }
      for (y=yb ; y<ye ; y+=g_qeglobals.d_gridsize)
      {
        if (!((int)y & (step-1))  && !((int)y - y))
          continue;
        qglVertex2f (xb, y);
        qglVertex2f (xe, y);
      }
      qglEnd ();
    }
  }

  if(g_qeglobals.d_gridsize < 1)
    colour = COLOR_GRIDMAJOR_ALT;
  else
    colour = COLOR_GRIDMAJOR;

  // draw major blocks
  if (COLORS_DIFFER(colour, COLOR_GRIDBACK))
    qglColor3fv(g_qeglobals.d_savedinfo.colors[colour]);

  if ( g_qeglobals.d_showgrid )
  {
    qglBegin (GL_LINES);
    for (x=xb ; x<=xe ; x+=step)
    {
      qglVertex2f (x, yb);
      qglVertex2f (x, ye);
    }
    for (y=yb ; y<=ye ; y+=step)
    {
      qglVertex2f (xb, y);
      qglVertex2f (xe, y);
    }
    qglEnd();
  }

  // draw coordinate text if needed
  if ( g_qeglobals.d_savedinfo.show_coordinates)
  {
    qglColor3fv(g_qeglobals.d_savedinfo.colors[COLOR_GRIDTEXT]);
		float offx = m_vOrigin[nDim2] + h - 6 / m_fScale, offy = m_vOrigin[nDim1] - w + 1 / m_fScale;
		for (x=xb-((int)xb)%stepx; x<=xe ; x+=stepx)
		{
			qglRasterPos2f (x, offx);
			sprintf (text, "%i",(int)x);
			gtk_glwidget_print_string(text);
		}
		for (y=yb-((int)yb)%stepy; y<=ye ; y+=stepy)
		{
			qglRasterPos2f (offy, y);
			sprintf (text, "%i",(int)y);
			gtk_glwidget_print_string(text);
		}

    if (Active())
      qglColor3fv(g_qeglobals.d_savedinfo.colors[COLOR_VIEWNAME]);

    // we do this part (the old way) only if show_axis is disabled
    if (!g_qeglobals.d_savedinfo.show_axis)
    {
      qglRasterPos2f ( m_vOrigin[nDim1] - w + 35 / m_fScale, m_vOrigin[nDim2] + h - 20 / m_fScale );

      char cView[20];
      if (m_nViewType == XY)
        strcpy(cView, "XY Top");
      else
        if (m_nViewType == XZ)
          strcpy(cView, "XZ Front");
        else
          strcpy(cView, "YZ Side");

        gtk_glwidget_print_string(cView);
    }
  }

  if ( g_qeglobals.d_savedinfo.show_axis)
  {
    // draw two lines with corresponding axis colors to highlight current view
    // horizontal line: nDim1 color
    qglLineWidth(2);
    qglBegin( GL_LINES );
    qglColor3fv (g_qeglobals.d_savedinfo.AxisColors[nDim1]);
    qglVertex2f( m_vOrigin[nDim1] - w + 40 / m_fScale, m_vOrigin[nDim2] + h - 45 / m_fScale );
    qglVertex2f( m_vOrigin[nDim1] - w + 65 / m_fScale, m_vOrigin[nDim2] + h - 45 / m_fScale );
    qglVertex2f( 0, 0 );
    qglVertex2f( 32 / m_fScale, 0 );
    qglColor3fv (g_qeglobals.d_savedinfo.AxisColors[nDim2]);
    qglVertex2f( m_vOrigin[nDim1] - w + 40 / m_fScale, m_vOrigin[nDim2] + h - 45 / m_fScale );
    qglVertex2f( m_vOrigin[nDim1] - w + 40 / m_fScale, m_vOrigin[nDim2] + h - 20 / m_fScale );
    qglVertex2f( 0, 0 );
    qglVertex2f( 0, 32 / m_fScale );
    qglEnd();
    qglLineWidth(1);
    // now print axis symbols
    qglColor3fv (g_qeglobals.d_savedinfo.AxisColors[nDim1]);
    qglRasterPos2f ( m_vOrigin[nDim1] - w + 55 / m_fScale, m_vOrigin[nDim2] + h - 55 / m_fScale );
    gtk_glwidget_print_char(g_AxisName[nDim1]);
    qglRasterPos2f (28 / m_fScale, -10 / m_fScale );
    gtk_glwidget_print_char(g_AxisName[nDim1]);
    qglColor3fv (g_qeglobals.d_savedinfo.AxisColors[nDim2]);
    qglRasterPos2f ( m_vOrigin[nDim1] - w + 25 / m_fScale, m_vOrigin[nDim2] + h - 30 / m_fScale );
    gtk_glwidget_print_char(g_AxisName[nDim2]);
    qglRasterPos2f ( -10 / m_fScale, 28 / m_fScale );
    gtk_glwidget_print_char(g_AxisName[nDim2]);

  }

  // show current work zone?
  // the work zone is used to place dropped points and brushes
  if (g_qeglobals.d_show_work)
  {
    qglColor3f( 1.0f, 0.0f, 0.0f );
    qglBegin( GL_LINES );
    qglVertex2f( xb, g_qeglobals.d_work_min[nDim2] );
    qglVertex2f( xe, g_qeglobals.d_work_min[nDim2] );
    qglVertex2f( xb, g_qeglobals.d_work_max[nDim2] );
    qglVertex2f( xe, g_qeglobals.d_work_max[nDim2] );
    qglVertex2f( g_qeglobals.d_work_min[nDim1], yb );
    qglVertex2f( g_qeglobals.d_work_min[nDim1], ye );
    qglVertex2f( g_qeglobals.d_work_max[nDim1], yb );
    qglVertex2f( g_qeglobals.d_work_max[nDim1], ye );
    qglEnd();
  }
}

/*
==============
XY_DrawBlockGrid
==============
*/
void XYWnd::XY_DrawBlockGrid()
{
  const char *value = ValueForKey( world_entity, "_blocksize" );
  if (strlen(value))
	sscanf( value, "%i", &g_qeglobals.blockSize );

  if (!g_qeglobals.blockSize || g_qeglobals.blockSize > 65536 || g_qeglobals.blockSize < 1024)
	  // don't use custom blocksize if it is less than the default, or greater than the maximum world coordinate
	g_qeglobals.blockSize = 1024;

  float	x, y, xb, xe, yb, ye;
  float		w, h;
  char	text[32];

  qglDisable(GL_TEXTURE_2D);
  qglDisable(GL_TEXTURE_1D);
  qglDisable(GL_DEPTH_TEST);
  qglDisable(GL_BLEND);

  w = (m_nWidth / 2 / m_fScale);
  h = (m_nHeight / 2 / m_fScale);

  int nDim1 = (m_nViewType == YZ) ? 1 : 0;
  int nDim2 = (m_nViewType == XY) ? 1 : 2;

  xb = m_vOrigin[nDim1] - w;
  if (xb < region_mins[nDim1])
    xb = region_mins[nDim1];
  xb = g_qeglobals.blockSize * floor (xb/g_qeglobals.blockSize);

  xe = m_vOrigin[nDim1] + w;
  if (xe > region_maxs[nDim1])
    xe = region_maxs[nDim1];
  xe = g_qeglobals.blockSize * ceil (xe/g_qeglobals.blockSize);

  yb = m_vOrigin[nDim2] - h;
  if (yb < region_mins[nDim2])
    yb = region_mins[nDim2];
  yb = g_qeglobals.blockSize * floor (yb/g_qeglobals.blockSize);

  ye = m_vOrigin[nDim2] + h;
  if (ye > region_maxs[nDim2])
    ye = region_maxs[nDim2];
  ye = g_qeglobals.blockSize * ceil (ye/g_qeglobals.blockSize);

  // draw major blocks

  qglColor3fv(g_qeglobals.d_savedinfo.colors[COLOR_GRIDBLOCK]);
  qglLineWidth (2);

  qglBegin (GL_LINES);

  for (x=xb ; x<=xe ; x+=g_qeglobals.blockSize)
  {
    qglVertex2f (x, yb);
    qglVertex2f (x, ye);
  }

  if (m_nViewType == XY)
  {
	for (y=yb ; y<=ye ; y+=g_qeglobals.blockSize)
	{
		qglVertex2f (xb, y);
		qglVertex2f (xe, y);
	}
  }

  qglEnd ();
  qglLineWidth (1);

  // draw coordinate text if needed

  if (m_nViewType == XY && m_fScale > .1)
  {
	for (x=xb ; x<xe ; x+=g_qeglobals.blockSize)
		for (y=yb ; y<ye ; y+=g_qeglobals.blockSize)
		{
			qglRasterPos2f (x+(g_qeglobals.blockSize/2), y+(g_qeglobals.blockSize/2));
			sprintf (text, "%i,%i",(int)floor(x/g_qeglobals.blockSize), (int)floor(y/g_qeglobals.blockSize) );
			gtk_glwidget_print_string(text);
		}
  }

  qglColor4f(0, 0, 0, 0);
}

void XYWnd::DrawRotateIcon()
{
  float	x, y, a, b;

  a = 4.0 / m_fScale;  // compensate for zoom level
  b = 6.0 / m_fScale;

  if (m_nViewType == XY)
  {
    x = g_vRotateOrigin[0];
    y = g_vRotateOrigin[1];
  }
  else if (m_nViewType == YZ)
  {
    x = g_vRotateOrigin[1];
    y = g_vRotateOrigin[2];
  }
  else
  {
    x = g_vRotateOrigin[0];
    y = g_vRotateOrigin[2];
  }

  qglEnable (GL_BLEND);
  qglDisable (GL_TEXTURE_2D);
  qglPolygonMode (GL_FRONT_AND_BACK, GL_FILL);
  qglDisable (GL_CULL_FACE);
  qglBlendFunc (GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
  qglColor4f (0.8f, 0.1f, 0.9f, 0.25f);

  qglBegin(GL_QUADS);
  qglVertex3f (x-a,y-a,0);
  qglVertex3f (x+a,y-a,0);
  qglVertex3f (x+a,y+a,0);
  qglVertex3f (x-a,y+a,0);
  qglEnd ();
  qglDisable (GL_BLEND);

  qglColor4f (1.0f, 0.2f, 1.0f, 1.f);
  qglBegin(GL_POINTS);
  qglVertex3f (x,y,0);
  qglEnd ();

#if 0
  qglBegin(GL_LINES);
  qglVertex3f (x-b,y+b,0);
  qglVertex3f (x+b,y+b,0);
  qglVertex3f (x-b,y-b,0);
  qglVertex3f (x+b,y-b,0);
  qglEnd ();
#endif

}

void XYWnd::DrawCameraIcon()
{
  float	x, y, a, fov, box;

  fov = 48 / m_fScale;
  box = 16 / m_fScale;

  if (m_nViewType == XY)
  {
    x = g_pParentWnd->GetCamWnd()->Camera()->origin[0];
    y = g_pParentWnd->GetCamWnd()->Camera()->origin[1];
    a = g_pParentWnd->GetCamWnd()->Camera()->angles[YAW]/180*Q_PI;
  }
  else if (m_nViewType == YZ)
  {
    x = g_pParentWnd->GetCamWnd()->Camera()->origin[1];
    y = g_pParentWnd->GetCamWnd()->Camera()->origin[2];
    a = g_pParentWnd->GetCamWnd()->Camera()->angles[PITCH]/180*Q_PI;
  }
  else
  {
    x = g_pParentWnd->GetCamWnd()->Camera()->origin[0];
    y = g_pParentWnd->GetCamWnd()->Camera()->origin[2];
    a = g_pParentWnd->GetCamWnd()->Camera()->angles[PITCH]/180*Q_PI;
  }

  qglColor3f (0.0, 0.0, 1.0);
  qglBegin(GL_LINE_STRIP);
  qglVertex3f (x-box,y,0);
  qglVertex3f (x,y+(box/2),0);
  qglVertex3f (x+box,y,0);
  qglVertex3f (x,y-(box/2),0);
  qglVertex3f (x-box,y,0);
  qglVertex3f (x+box,y,0);
  qglEnd ();

  qglBegin(GL_LINE_STRIP);
  qglVertex3f (x+fov*cos(a+Q_PI/4), y+fov*sin(a+Q_PI/4), 0);
  qglVertex3f (x, y, 0);
  qglVertex3f (x+fov*cos(a-Q_PI/4), y+fov*sin(a-Q_PI/4), 0);
  qglEnd ();

}

void XYWnd::DrawZIcon (void)
{
  if (m_nViewType == XY)
  {
    float x = z.origin[0];
    float y = z.origin[1];
	float zdim = 8 / m_fScale;
    qglEnable (GL_BLEND);
    qglDisable (GL_TEXTURE_2D);
    qglPolygonMode (GL_FRONT_AND_BACK, GL_FILL);
    qglDisable (GL_CULL_FACE);
    qglBlendFunc (GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
    qglColor4f (0.0, 0.0, 1.0, 0.25);
    qglBegin(GL_QUADS);
    qglVertex3f (x-zdim,y-zdim,0);
    qglVertex3f (x+zdim,y-zdim,0);
    qglVertex3f (x+zdim,y+zdim,0);
    qglVertex3f (x-zdim,y+zdim,0);
    qglEnd ();
    qglDisable (GL_BLEND);

    qglColor4f (0.0, 0.0, 1.0, 1);

    qglBegin(GL_LINE_LOOP);
    qglVertex3f (x-zdim,y-zdim,0);
    qglVertex3f (x+zdim,y-zdim,0);
    qglVertex3f (x+zdim,y+zdim,0);
    qglVertex3f (x-zdim,y+zdim,0);
    qglEnd ();

    qglBegin(GL_LINE_STRIP);
    qglVertex3f (x-(zdim/2),y+(zdim/2),0);
    qglVertex3f (x+(zdim/2),y+(zdim/2),0);
    qglVertex3f (x-(zdim/2),y-(zdim/2),0);
    qglVertex3f (x+(zdim/2),y-(zdim/2),0);
    qglEnd ();
  }
}

// can be greatly simplified but per usual i am in a hurry
// which is not an excuse, just a fact
void XYWnd::PaintSizeInfo(int nDim1, int nDim2, vec3_t vMinBounds, vec3_t vMaxBounds)
{
  const char* g_pDimStrings[] = {"x:%.f", "y:%.f", "z:%.f"};
  const char* g_pOrgStrings[] = {"(x:%.f  y:%.f)", "(x:%.f  z:%.f)", "(y:%.f  z:%.f)"};

  CString g_strDim;

  vec3_t vSize;
  VectorSubtract(vMaxBounds, vMinBounds, vSize);

  qglColor3f(g_qeglobals.d_savedinfo.colors[COLOR_SELBRUSHES][0] * .65,
	     g_qeglobals.d_savedinfo.colors[COLOR_SELBRUSHES][1] * .65,
	     g_qeglobals.d_savedinfo.colors[COLOR_SELBRUSHES][2] * .65);

  if (m_nViewType == XY)
  {
    qglBegin (GL_LINES);

    qglVertex3f(vMinBounds[nDim1], vMinBounds[nDim2] - 6.0f  / m_fScale, 0.0f);
    qglVertex3f(vMinBounds[nDim1], vMinBounds[nDim2] - 10.0f / m_fScale, 0.0f);

    qglVertex3f(vMinBounds[nDim1], vMinBounds[nDim2] - 10.0f  / m_fScale, 0.0f);
    qglVertex3f(vMaxBounds[nDim1], vMinBounds[nDim2] - 10.0f  / m_fScale, 0.0f);

    qglVertex3f(vMaxBounds[nDim1], vMinBounds[nDim2] - 6.0f  / m_fScale, 0.0f);
    qglVertex3f(vMaxBounds[nDim1], vMinBounds[nDim2] - 10.0f / m_fScale, 0.0f);


    qglVertex3f(vMaxBounds[nDim1] + 6.0f  / m_fScale, vMinBounds[nDim2], 0.0f);
    qglVertex3f(vMaxBounds[nDim1] + 10.0f  / m_fScale, vMinBounds[nDim2], 0.0f);

    qglVertex3f(vMaxBounds[nDim1] + 10.0f  / m_fScale, vMinBounds[nDim2], 0.0f);
    qglVertex3f(vMaxBounds[nDim1] + 10.0f  / m_fScale, vMaxBounds[nDim2], 0.0f);

    qglVertex3f(vMaxBounds[nDim1] + 6.0f  / m_fScale, vMaxBounds[nDim2], 0.0f);
    qglVertex3f(vMaxBounds[nDim1] + 10.0f  / m_fScale, vMaxBounds[nDim2], 0.0f);

    qglEnd();

    qglRasterPos3f (Betwixt(vMinBounds[nDim1], vMaxBounds[nDim1]),  vMinBounds[nDim2] - 20.0  / m_fScale, 0.0f);
    g_strDim.Format(g_pDimStrings[nDim1], vSize[nDim1]);
    gtk_glwidget_print_string((char *) g_strDim.GetBuffer());

    qglRasterPos3f (vMaxBounds[nDim1] + 16.0  / m_fScale, Betwixt(vMinBounds[nDim2], vMaxBounds[nDim2]), 0.0f);
    g_strDim.Format(g_pDimStrings[nDim2], vSize[nDim2]);
    gtk_glwidget_print_string((char *) g_strDim.GetBuffer());

    qglRasterPos3f (vMinBounds[nDim1] + 4, vMaxBounds[nDim2] + 8 / m_fScale, 0.0f);
    g_strDim.Format(g_pOrgStrings[0], vMinBounds[nDim1], vMaxBounds[nDim2]);
    gtk_glwidget_print_string((char *) g_strDim.GetBuffer());
  }
  else if (m_nViewType == XZ)
  {
    qglBegin (GL_LINES);

    qglVertex3f(vMinBounds[nDim1], 0, vMinBounds[nDim2] - 6.0f  / m_fScale);
    qglVertex3f(vMinBounds[nDim1], 0, vMinBounds[nDim2] - 10.0f / m_fScale);

    qglVertex3f(vMinBounds[nDim1], 0,vMinBounds[nDim2] - 10.0f  / m_fScale);
    qglVertex3f(vMaxBounds[nDim1], 0,vMinBounds[nDim2] - 10.0f  / m_fScale);

    qglVertex3f(vMaxBounds[nDim1], 0,vMinBounds[nDim2] - 6.0f  / m_fScale);
    qglVertex3f(vMaxBounds[nDim1], 0,vMinBounds[nDim2] - 10.0f / m_fScale);


    qglVertex3f(vMaxBounds[nDim1] + 6.0f  / m_fScale, 0,vMinBounds[nDim2]);
    qglVertex3f(vMaxBounds[nDim1] + 10.0f  / m_fScale, 0,vMinBounds[nDim2]);

    qglVertex3f(vMaxBounds[nDim1] + 10.0f  / m_fScale, 0,vMinBounds[nDim2]);
    qglVertex3f(vMaxBounds[nDim1] + 10.0f  / m_fScale, 0,vMaxBounds[nDim2]);

    qglVertex3f(vMaxBounds[nDim1] + 6.0f  / m_fScale, 0,vMaxBounds[nDim2]);
    qglVertex3f(vMaxBounds[nDim1] + 10.0f  / m_fScale, 0,vMaxBounds[nDim2]);

    qglEnd();

    qglRasterPos3f (Betwixt(vMinBounds[nDim1], vMaxBounds[nDim1]), 0, vMinBounds[nDim2] - 20.0  / m_fScale);
    g_strDim.Format(g_pDimStrings[nDim1], vSize[nDim1]);
    gtk_glwidget_print_string((char *) g_strDim.GetBuffer());

    qglRasterPos3f (vMaxBounds[nDim1] + 16.0  / m_fScale, 0, Betwixt(vMinBounds[nDim2], vMaxBounds[nDim2]));
    g_strDim.Format(g_pDimStrings[nDim2], vSize[nDim2]);
    gtk_glwidget_print_string((char *) g_strDim.GetBuffer());

    qglRasterPos3f (vMinBounds[nDim1] + 4, 0, vMaxBounds[nDim2] + 8 / m_fScale);
    g_strDim.Format(g_pOrgStrings[1], vMinBounds[nDim1], vMaxBounds[nDim2]);
    gtk_glwidget_print_string((char *) g_strDim.GetBuffer());
  }
  else
  {
    qglBegin (GL_LINES);

    qglVertex3f(0, vMinBounds[nDim1], vMinBounds[nDim2] - 6.0f  / m_fScale);
    qglVertex3f(0, vMinBounds[nDim1], vMinBounds[nDim2] - 10.0f / m_fScale);

    qglVertex3f(0, vMinBounds[nDim1], vMinBounds[nDim2] - 10.0f  / m_fScale);
    qglVertex3f(0, vMaxBounds[nDim1], vMinBounds[nDim2] - 10.0f  / m_fScale);

    qglVertex3f(0, vMaxBounds[nDim1], vMinBounds[nDim2] - 6.0f  / m_fScale);
    qglVertex3f(0, vMaxBounds[nDim1], vMinBounds[nDim2] - 10.0f / m_fScale);


    qglVertex3f(0, vMaxBounds[nDim1] + 6.0f  / m_fScale, vMinBounds[nDim2]);
    qglVertex3f(0, vMaxBounds[nDim1] + 10.0f  / m_fScale, vMinBounds[nDim2]);

    qglVertex3f(0, vMaxBounds[nDim1] + 10.0f  / m_fScale, vMinBounds[nDim2]);
    qglVertex3f(0, vMaxBounds[nDim1] + 10.0f  / m_fScale, vMaxBounds[nDim2]);

    qglVertex3f(0, vMaxBounds[nDim1] + 6.0f  / m_fScale, vMaxBounds[nDim2]);
    qglVertex3f(0, vMaxBounds[nDim1] + 10.0f  / m_fScale, vMaxBounds[nDim2]);

    qglEnd();

    qglRasterPos3f (0, Betwixt(vMinBounds[nDim1], vMaxBounds[nDim1]),  vMinBounds[nDim2] - 20.0  / m_fScale);
    g_strDim.Format(g_pDimStrings[nDim1], vSize[nDim1]);
    gtk_glwidget_print_string((char *) g_strDim.GetBuffer());

    qglRasterPos3f (0, vMaxBounds[nDim1] + 16.0  / m_fScale, Betwixt(vMinBounds[nDim2], vMaxBounds[nDim2]));
    g_strDim.Format(g_pDimStrings[nDim2], vSize[nDim2]);
    gtk_glwidget_print_string((char *) g_strDim.GetBuffer());

    qglRasterPos3f (0, vMinBounds[nDim1] + 4.0, vMaxBounds[nDim2] + 8 / m_fScale);
    g_strDim.Format(g_pOrgStrings[2], vMinBounds[nDim1], vMaxBounds[nDim2]);
    gtk_glwidget_print_string((char *) g_strDim.GetBuffer());
  }
}

/*
==============
XY_Draw
==============
*/
#define ALT_POINT_SIZE 4
// Alternative to GL_POINTS (for; vertex handles, patch handles, clip points, path points)
void DrawAlternatePoint(vec3_t v, float scale)
{
  if(scale == 0)
  {
    scale = g_pParentWnd->GetXYWnd()->Scale();
    //scale = g_qeglobals.d_xyOld.scale;
  }

  // ugly gl_line cross
  qglVertex3f	 ( v[0]+(ALT_POINT_SIZE/scale), v[1], v[2] );
  qglVertex3f	 ( v[0]-(ALT_POINT_SIZE/scale), v[1], v[2] );
  qglVertex3f	 ( v[0], v[1]+(ALT_POINT_SIZE/scale), v[2] );
  qglVertex3f	 ( v[0], v[1]-(ALT_POINT_SIZE/scale), v[2] );
  qglVertex3f	 ( v[0], v[1], v[2]+(ALT_POINT_SIZE/scale) );
  qglVertex3f	 ( v[0], v[1], v[2]-(ALT_POINT_SIZE/scale) );
}


long g_lCount = 0;
long g_lTotal = 0;
extern void DrawBrushEntityName (brush_t *b);

//#define DBG_SCENEDUMP

void XYWnd::XY_Draw()
{
#ifdef DBG_SCENEDUMP
  static time_t s_start = 0; // we use that to dump the selected stuff every 2 seconds
  time_t now;
  time (&now);
  bool bDump;

  if ((now - s_start) > 3)
  {
    bDump = true;
    s_start = now;
    Sys_FPrintf(SYS_WRN, "Starting scene dump\n");
  }
  else bDump = false;
#endif

  brush_t	*brush;
  float	w, h;
  entity_t	*e;
  double	start, end;
  double	start2, end2;
  vec3_t	mins, maxs;
  int		drawn, culled;
  int		i;

  if (!active_brushes.next)
    return;	// not valid yet

  Patch_LODMatchAll(); // spog

  if (m_bTiming)
    start = Sys_DoubleTime();
  //
  // clear
  //
  m_bDirty = false;

  qglViewport(0, 0, m_nWidth, m_nHeight);
  qglClearColor (g_qeglobals.d_savedinfo.colors[COLOR_GRIDBACK][0],
		 g_qeglobals.d_savedinfo.colors[COLOR_GRIDBACK][1],
		 g_qeglobals.d_savedinfo.colors[COLOR_GRIDBACK][2],0);

  qglClear(GL_COLOR_BUFFER_BIT);

  //
  // set up viewpoint
  //
  qglMatrixMode(GL_PROJECTION);
  qglLoadIdentity ();

  w = m_nWidth / 2 / m_fScale;
  h = m_nHeight / 2/ m_fScale;

  // fix GL_INVALID_VALUE error on first time the window is updated (win32)
  if (w == 0)
    w = 1;

  int nDim1 = (m_nViewType == YZ) ? 1 : 0;
  int nDim2 = (m_nViewType == XY) ? 1 : 2;
  mins[0] = m_vOrigin[nDim1] - w;
  maxs[0] = m_vOrigin[nDim1] + w;
  mins[1] = m_vOrigin[nDim2] - h;
  maxs[1] = m_vOrigin[nDim2] + h;

  qglOrtho (mins[0], maxs[0], mins[1], maxs[1], g_MinWorldCoord, g_MaxWorldCoord);

  qglMatrixMode(GL_MODELVIEW);
  qglLoadIdentity ();

  //
  // now draw the grid
  //
  XY_DrawGrid ();

  //
  // draw block grid
  //
  if ( g_qeglobals.show_blocks)
    XY_DrawBlockGrid ();

  if (m_nViewType != XY)
  {
    qglPushMatrix();
    if (m_nViewType == YZ)
      qglRotatef (-90,  0, 1, 0);	    // put Z going up
    qglRotatef (-90,  1, 0, 0);	    // put Z going up
  }

  //
  // draw stuff
  //
  qglShadeModel (GL_FLAT);
  qglDisable(GL_TEXTURE_2D);
  qglDisable(GL_TEXTURE_1D);
  qglDisable(GL_DEPTH_TEST);
  qglDisable(GL_BLEND);
  qglDisable(GL_CULL_FACE);
  qglPolygonMode (GL_FRONT_AND_BACK, GL_LINE);
  qglColor3f(0, 0, 0);
  qglEnableClientState(GL_VERTEX_ARRAY);

	// Fishman - Add antialiazed points and lines support. 09/15/00
	if (g_PrefsDlg.m_bAntialiasedPointsAndLines)
	{
		qglEnable(GL_BLEND);
		qglBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
		qglEnable(GL_POINT_SMOOTH);
		qglEnable(GL_LINE_SMOOTH);
	}

  drawn = culled = 0;

  e = world_entity;

  if (m_bTiming)
    start2 = Sys_DoubleTime();

  for (brush = active_brushes.next ; brush != &active_brushes ; brush=brush->next)
  {
	  if (brush->bFiltered)
      continue;

    if (brush->mins[nDim1] > maxs[0] ||
        brush->mins[nDim2] > maxs[1] ||
        brush->maxs[nDim1] < mins[0] ||
        brush->maxs[nDim2] < mins[1])
    {
      culled++;
      continue;		// off screen
    }

    drawn++;

    if (brush->owner != e && brush->owner)
    {
      qglColor3fv(brush->owner->eclass->color);
    }
    else
    {
      qglColor3fv(g_qeglobals.d_savedinfo.colors[COLOR_BRUSHES]);
    }

#ifdef DBG_SCENEDUMP
    if (bDump)
    {
      Sys_FPrintf(SYS_WRN, "Active brush: %p ", brush);
      Sys_FPrintf(SYS_WRN, "owner->eclass: %s\n", brush->owner->eclass->name);
    }
#endif

    Brush_DrawXY(brush, m_nViewType);
  }

  if (m_bTiming)
    end2 = Sys_DoubleTime();

  DrawPathLines ();

  //
  // draw pointfile
  //
  //++timo why is the display list broken?
  if ( g_qeglobals.d_pointfile_display_list)
    Pointfile_Draw();

  //
  // now draw selected brushes
  //

  if (RotateMode())
    qglColor3f(0.8f, 0.1f, 0.9f);
  else
  if (ScaleMode())
    qglColor3f(0.1f, 0.8f, 0.1f);
  else
    qglColor3fv(g_qeglobals.d_savedinfo.colors[COLOR_SELBRUSHES]);


  if (g_PrefsDlg.m_bNoStipple == FALSE)
  {
    qglEnable (GL_LINE_STIPPLE);
    qglLineStipple (3, 0xaaaa);
  }
  qglLineWidth (2);

  vec3_t vMinBounds;
  vec3_t vMaxBounds;
  vMinBounds[0] = vMinBounds[1] = vMinBounds[2] = g_MaxWorldCoord;
  vMaxBounds[0] = vMaxBounds[1] = vMaxBounds[2] = g_MinWorldCoord;

  int nSaveDrawn = drawn;
  bool bFixedSize = false;
  for (brush = selected_brushes.next ; brush != &selected_brushes ; brush=brush->next)
  {
	// spog - added culling of selected brushes in XY window
	if (brush->mins[nDim1] > maxs[0] ||
        brush->mins[nDim2] > maxs[1] ||
        brush->maxs[nDim1] < mins[0] ||
        brush->maxs[nDim2] < mins[1])
    {
      culled++;
      continue;		// off screen
    }
    drawn++;
#ifdef DBG_SCENEDUMP
    if (bDump)
    {
      Sys_FPrintf(SYS_WRN, "Selected brush: %p ", brush);
      Sys_FPrintf(SYS_WRN, "owner->eclass: %s\n", brush->owner->eclass->name);
    }
#endif
    Brush_DrawXY(brush, m_nViewType);

    if (!bFixedSize)
    {
      if (brush->owner->eclass->fixedsize)
        bFixedSize = true;
      if (g_PrefsDlg.m_bSizePaint)
      {
        for (i = 0; i < 3; i ++)
        {
          if (brush->mins[i] < vMinBounds[i])
            vMinBounds[i] = brush->mins[i];
          if (brush->maxs[i] > vMaxBounds[i])
            vMaxBounds[i] = brush->maxs[i];
        }
      }
    }
  }

  if (g_PrefsDlg.m_bNoStipple == FALSE)
  {
    qglDisable (GL_LINE_STIPPLE);
  }
  qglLineWidth (1);

  if (!bFixedSize && !RotateMode() && !ScaleMode() && drawn - nSaveDrawn > 0 && g_PrefsDlg.m_bSizePaint)
    PaintSizeInfo(nDim1, nDim2, vMinBounds, vMaxBounds);

  // edge / vertex flags
  if (g_qeglobals.d_select_mode == sel_vertex)
  {
    if(!g_PrefsDlg.m_bGlPtWorkaround)
    {
      // brush verts
      qglPointSize (4);
 	   	qglColor3f (0,1,0);
      qglBegin (GL_POINTS);
        for (i=0 ; i<g_qeglobals.d_numpoints ; i++)
          qglVertex3fv (g_qeglobals.d_points[i]);
      qglEnd ();

      if(g_qeglobals.d_num_move_points)
      {
        // selected brush verts
        qglPointSize (5);
        qglColor3f (0,0,1);
        qglBegin (GL_POINTS);
          for(i = 0; i < g_qeglobals.d_num_move_points; i++)
            qglVertex3fv (g_qeglobals.d_move_points[i]);
        qglEnd();
      }
      qglPointSize (1);
    }
    else
    {
      // brush verts
      qglColor3f (0,1,0);
      qglLineWidth(2.0);
      qglBegin (GL_LINES);
        for (i=0; i < g_qeglobals.d_numpoints; i++)
          DrawAlternatePoint(g_qeglobals.d_points[i], m_fScale);
      qglEnd();

      if(g_qeglobals.d_num_move_points)
      {
        // selected brush verts
        qglColor3f (0,0,1);
        qglLineWidth (3.0);
        qglBegin (GL_LINES);
          for(i = 0; i < g_qeglobals.d_num_move_points; i++)
            qglVertex3fv (g_qeglobals.d_move_points[i]);
        qglEnd();
      }
      qglLineWidth(1.0);
    }
  }
  else if (g_qeglobals.d_select_mode == sel_edge)
  {
    float	*v1, *v2;
    if(!g_PrefsDlg.m_bGlPtWorkaround)
    {
      qglPointSize (4);
      qglColor3f (0,0,1);
      qglBegin (GL_POINTS);
      for (i=0 ; i<g_qeglobals.d_numedges ; i++)
      {
        v1 = g_qeglobals.d_points[g_qeglobals.d_edges[i].p1];
        v2 = g_qeglobals.d_points[g_qeglobals.d_edges[i].p2];
        qglVertex3f ( (v1[0]+v2[0])*0.5,(v1[1]+v2[1])*0.5,(v1[2]+v2[2])*0.5);
      }
      qglEnd ();
      qglPointSize (1);
    }
    else {
      qglColor3f (0,0,1);
      qglLineWidth(2.0);
      qglBegin (GL_LINES);
      for (i=0; i < g_qeglobals.d_numedges; i++)
      {
        v1 = g_qeglobals.d_points[g_qeglobals.d_edges[i].p1];
        v2 = g_qeglobals.d_points[g_qeglobals.d_edges[i].p2];
        vec3_t v3;
        v3[0] = (v1[0]+v2[0])*0.5;
        v3[1] = (v1[1]+v2[1])*0.5;
        v3[2] = (v1[2]+v2[2])*0.5;
        DrawAlternatePoint(v3, m_fScale);
      }
      qglEnd();
      qglLineWidth(1.0);
    }
  }

  if (!(m_nViewType == XY))
    qglPopMatrix();
#if 0
  // area selection hack
  if ((g_qeglobals.d_select_mode == sel_area || g_qeglobals.d_select_mode == sel_areatall) && (g_nPatchClickedView == ((m_nViewType == XY) ? W_XY : (m_nViewType == YZ) ? W_YZ : W_XZ)))
  {
    qglEnable (GL_BLEND);
    qglPolygonMode (GL_FRONT_AND_BACK, GL_FILL);
    qglBlendFunc (GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
    qglColor4f(0.0, 0.0, 1.0, 0.25);
    qglRectf(g_qeglobals.d_vAreaTL[nDim1], g_qeglobals.d_vAreaTL[nDim2], g_qeglobals.d_vAreaBR[nDim1], g_qeglobals.d_vAreaBR[nDim2]);
    qglPolygonMode (GL_FRONT_AND_BACK, GL_LINE);
    qglDisable (GL_BLEND);
  }
#endif


  //
  // now draw camera point
  //
  DrawCameraIcon ();
  DrawZIcon ();

  if (RotateMode())
  {
    DrawRotateIcon();
  }

  // plugin entities
  //++timo TODO: use an object for the 2D view
  Draw2DPluginEntities( (VIEWTYPE)m_nViewType );

  if (g_qeglobals.d_savedinfo.show_outline)
  {
    if (Active())
    {
      qglMatrixMode (GL_PROJECTION);
      qglPushMatrix ();
      qglLoadIdentity ();
      qglOrtho (0, m_nWidth, 0, m_nHeight, 0, 1);
      qglMatrixMode (GL_MODELVIEW);
      qglPushMatrix ();
      qglLoadIdentity ();

      // four view mode doesn't colorize
      if (g_pParentWnd->CurrentStyle() == MainFrame::eSplit)
        qglColor3fv(g_qeglobals.d_savedinfo.colors[COLOR_VIEWNAME]);
      else
        qglColor3fv( g_qeglobals.d_savedinfo.AxisColors[m_nViewType]);
      qglBegin (GL_LINE_LOOP);
      qglVertex2i (0, 0);
      qglVertex2i (m_nWidth-1, 0);
      qglVertex2i (m_nWidth-1, m_nHeight-1);
      qglVertex2i (0, m_nHeight-1);
      qglEnd ();

      qglMatrixMode (GL_PROJECTION);
      qglPopMatrix ();
      qglMatrixMode (GL_MODELVIEW);
      qglPopMatrix ();
    }
  }

  qglFinish();

  if (m_bTiming)
  {
    end = Sys_DoubleTime ();
    i = (int)(1000*(end-start));
    int i3 = (int)(1000*(end2-start2));
    g_lCount++;
    g_lTotal += i;
    int i2 = g_lTotal / g_lCount;
    Sys_Printf ("xy: %i ab: %i  avg: %i\n", i, i3, i2);
  }

	// Fishman - Add antialiazed points and lines support. 09/03/00
  if (g_PrefsDlg.m_bAntialiasedPointsAndLines)
  {
	  qglDisable(GL_POINT_SMOOTH);
	  qglDisable(GL_LINE_SMOOTH);
	  qglDisable(GL_BLEND);
  }
}

void XYWnd::Copy()
{
}

void XYWnd::Undo()
{
}

void XYWnd::UndoClear()
{
}

void XYWnd::UndoCopy()
{
}

bool XYWnd::UndoAvailable()
{
  return (g_brUndo.next != &g_brUndo);
}

void XYWnd::Paste()
{
}

// should be static as should be the rotate scale stuff
bool XYWnd::AreaSelectOK()
{
  return RotateMode() ? false : ScaleMode() ? false : true;
}

void XYWnd::OnCreate ()
{
  if (!MakeCurrent ())
    Error ("glXMakeCurrent failed");

  qglPolygonStipple ((unsigned char *)s_stipple);
  qglLineStipple (3, 0xaaaa);
}

void XYWnd::OnExpose ()
{
  bool bPaint = true;
  if (!MakeCurrent ())
  {
    Sys_Printf("ERROR: glXMakeCurrent failed.. Error:%i\n",qglGetError());
    Sys_Printf("Please restart Radiant if the Map view is not working\n");
    bPaint = false;
  }
  if (bPaint)
  {
    QE_CheckOpenGLForErrors();
    XY_Draw ();
    QE_CheckOpenGLForErrors();

    if (m_nViewType != XY)
    {
      qglPushMatrix();
      if (m_nViewType == YZ)
        qglRotatef (-90,  0, 1, 0);	    // put Z going up
      qglRotatef (-90,  1, 0, 0);	    // put Z going up
    }

    if (g_bCrossHairs)
    {
      qglColor4f(0.2f, 0.9f, 0.2f, 0.8f);
      qglBegin (GL_LINES);
      if (m_nViewType == XY)
      {
        qglVertex2f(2*g_MinWorldCoord, tdp[1]);
        qglVertex2f(2*g_MaxWorldCoord, tdp[1]);
        qglVertex2f(tdp[0], 2*g_MinWorldCoord);
        qglVertex2f(tdp[0], 2*g_MaxWorldCoord);
      }
      else if (m_nViewType == YZ)
      {
        qglVertex3f(tdp[0], 2*g_MinWorldCoord, tdp[2]);
        qglVertex3f(tdp[0], 2*g_MaxWorldCoord, tdp[2]);
        qglVertex3f(tdp[0], tdp[1], 2*g_MinWorldCoord);
        qglVertex3f(tdp[0], tdp[1], 2*g_MaxWorldCoord);
      }
      else
      {
        qglVertex3f (2*g_MinWorldCoord, tdp[1], tdp[2]);
        qglVertex3f (2*g_MaxWorldCoord, tdp[1], tdp[2]);
        qglVertex3f(tdp[0], tdp[1], 2*g_MinWorldCoord);
        qglVertex3f(tdp[0], tdp[1], 2*g_MaxWorldCoord);
      }
      qglEnd();
    }

    if (ClipMode())
    {
      // Draw clip points
      if (g_Clip1.Set())
        g_Clip1.Draw(m_fScale, 1); // qglVertex3fv (g_Clip1);
      if (g_Clip2.Set())
        g_Clip2.Draw(m_fScale, 2); // qglVertex3fv (g_Clip2);
      if (g_Clip3.Set())
        g_Clip3.Draw(m_fScale, 3); // qglVertex3fv (g_Clip3);
      if (g_Clip1.Set() && g_Clip2.Set())
      {
        ProduceSplitLists();
        brush_t* pBrush;
        brush_t* pList = (g_bSwitch) ? &g_brBackSplits : &g_brFrontSplits;
        for (pBrush = pList->next ; pBrush != NULL && pBrush != pList ; pBrush=pBrush->next)
        {
          qglColor3f (1,1,0);
          face_t *face;
          int order;
          for (face = pBrush->brush_faces,order = 0 ; face ; face=face->next, order++)
          {
            winding_t* w = face->face_winding;
            if (!w)
              continue;
            // draw the polygon
            qglBegin(GL_LINE_LOOP);
            for (int i=0 ; i<w->numpoints ; i++)
              qglVertex3fv(w->points[i]);
            qglEnd();
          }
        }
      }
    }

    if (PathMode())
    {
      int n;
      for (n = 0; n < g_nPathCount; n++)
        g_PathPoints[n].Draw(m_fScale, n+1); // qglVertex3fv(g_PathPoints[n]);
    }
    if (m_nViewType != XY)
      qglPopMatrix();

    m_XORRectangle.set(rectangle_t());
    SwapBuffers ();
  }
}

void XYWnd::KillPathMode()
{
  g_bSmartGo = false;
  g_bPathMode = false;
  if (g_pPathFunc)
    g_pPathFunc(false, g_nPathCount);
  g_nPathCount = 0;
  g_pPathFunc = NULL;
  Sys_UpdateWindows(W_ALL);
}

// gets called for drop down menu messages
// TIP: it's not always about EntityCreate
void XYWnd::OnEntityCreate (const char* item)
{
  Undo_Start("create entity");
  Undo_AddBrushList(&selected_brushes);

  if (m_mnuDrop != NULL)
  {
    CString strItem;
    strItem = item;

    if (strItem.CompareNoCase("Add to...") == 0)
    {
      //++timo TODO: fill the menu with current groups?
      // this one is for adding to existing groups only
      Sys_Printf("TODO: Add to... in XYWnd::OnEntityCreate\n");
    }
    else if (strItem.CompareNoCase("Remove") == 0)
    {
      // remove selected brushes from their current group
      brush_t *b;
      for( b = selected_brushes.next; b != &selected_brushes; b = b->next )
      {

      }
    }

    //++timo FIXME: remove when all hooks are in
    if (strItem.CompareNoCase("Add to...") == 0
	|| strItem.CompareNoCase("Remove") == 0
	|| strItem.CompareNoCase("Name...") == 0
	|| strItem.CompareNoCase("New group...") == 0)
      {
	Sys_Printf("TODO: hook drop down group menu\n");
	return;
      }

    if (strItem.Find("Smart_") >= 0)
    {
      CreateSmartEntity(this, m_ptDownX, m_ptDownY, strItem);
    }
    else
    {
      CreateRightClickEntity(this, m_ptDownX, m_ptDownY, (char*)strItem.GetBuffer());
    }

    Sys_UpdateWindows(W_ALL);
    //OnLButtonDown((MK_LBUTTON | MK_SHIFT), CPoint(m_ptDown.x+2, m_ptDown.y+2));
  }
  Undo_EndBrushList(&selected_brushes);
  Undo_End();
}

/* Drawing clip points */
void ClipPoint::Draw(float fScale, int num)
{
  CString strLabel;
  strLabel.Format("%d", num);
  Draw(fScale, strLabel.GetBuffer());
}

#define ALT_POINT_VERTS 6

void ClipPoint::Draw(float fScale, const char *label)
{
  // draw point
  if(!g_PrefsDlg.m_bGlPtWorkaround)
  {
    qglPointSize (4);
    qglColor3fv(g_qeglobals.d_savedinfo.colors[COLOR_CLIPPER]);
    qglBegin (GL_POINTS);
    qglVertex3fv (m_ptClip);
    qglEnd();
    qglPointSize (1);
  }
  else
  {
    qglColor3fv(g_qeglobals.d_savedinfo.colors[COLOR_CLIPPER]);
    qglLineWidth(2.0);
    qglBegin (GL_LINES);
      DrawAlternatePoint(m_ptClip, fScale);
    qglEnd();
    qglLineWidth(1.0);
  }

  // draw label
  qglRasterPos3f (m_ptClip[0]+2, m_ptClip[1]+2, m_ptClip[2]+2);
  qglCallLists (strlen(label), GL_UNSIGNED_BYTE, label);
}