]> git.xonotic.org Git - xonotic/netradiant.git/blobdiff - radiant/xywindow.cpp
gcc: appease the hardening warnings
[xonotic/netradiant.git] / radiant / xywindow.cpp
index 40162f4dbbc4b667335e1db138eb34bca193bd93..f2985e3b11db014d4e62597b3032d58336abef00 100644 (file)
@@ -1,23 +1,23 @@
 /*
-Copyright (C) 1999-2006 Id Software, Inc. and contributors.
-For a list of contributors, see the accompanying CONTRIBUTORS file.
+   Copyright (C) 1999-2006 Id Software, Inc. and contributors.
+   For a list of contributors, see the accompanying CONTRIBUTORS file.
 
-This file is part of GtkRadiant.
+   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 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.
+   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
-*/
+   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
@@ -27,6 +27,8 @@ Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
 
 #include "xywindow.h"
 
+#include <gtk/gtk.h>
+
 #include "debugging/debugging.h"
 
 #include "ientity.h"
@@ -39,8 +41,9 @@ Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
 #include "image.h"
 #include "gtkutil/messagebox.h"
 
-#include <gtk/gtklabel.h>
-#include <gtk/gtkmenuitem.h>
+#include <uilib/uilib.h>
+#include <gdk/gdkkeysyms.h>
+#include <cassert>
 
 #include "generic/callback.h"
 #include "string/string.h"
@@ -71,44 +74,48 @@ Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
 #include "grid.h"
 #include "windowobservers.h"
 
-void LoadTextureRGBA(qtexture_t* q, unsigned char* pPixels, int nWidth, int nHeight);
+void LoadTextureRGBA(qtexture_t *q, unsigned char *pPixels, int nWidth, int nHeight);
 
 // d1223m
 extern bool g_brush_always_caulk;
 
 //!\todo Rewrite.
-class ClipPoint
-{
+class ClipPoint {
 public:
-  Vector3 m_ptClip;      // the 3d point
-  bool m_bSet;
-
-  ClipPoint()
-  {
-    Reset();
-  };
-  void Reset()
-  {
-    m_ptClip[0] = m_ptClip[1] = m_ptClip[2] = 0.0;
-    m_bSet = false;
-  }
-  bool Set()
-  {
-    return m_bSet;
-  }
-  void Set(bool b)
-  {
-    m_bSet = b;
-  }
-  operator Vector3&()
-  {
-    return m_ptClip;
-  };
-
-  /*! Draw clip/path point with rasterized number label */
-  void Draw(int num, float scale);
-  /*! Draw clip/path point with rasterized string label */
-  void Draw(const char *label, float scale);
+    Vector3 m_ptClip;        // the 3d point
+    bool m_bSet;
+
+    ClipPoint()
+    {
+        Reset();
+    };
+
+    void Reset()
+    {
+        m_ptClip[0] = m_ptClip[1] = m_ptClip[2] = 0.0;
+        m_bSet = false;
+    }
+
+    bool Set()
+    {
+        return m_bSet;
+    }
+
+    void Set(bool b)
+    {
+        m_bSet = b;
+    }
+
+    operator Vector3 &()
+    {
+        return m_ptClip;
+    };
+
+/*! Draw clip/path point with rasterized number label */
+    void Draw(int num, float scale);
+
+/*! Draw clip/path point with rasterized string label */
+    void Draw(const char *label, float scale);
 };
 
 VIEWTYPE g_clip_viewtype;
@@ -117,443 +124,451 @@ bool g_clip_useCaulk = false;
 ClipPoint g_Clip1;
 ClipPoint g_Clip2;
 ClipPoint g_Clip3;
-ClipPointg_pMovingClip = 0;
+ClipPoint *g_pMovingClip = 0;
 
 /* Drawing clip points */
 void ClipPoint::Draw(int num, float scale)
 {
-  StringOutputStream label(4);
-  label << num;
-  Draw(label.c_str(), scale);
+    StringOutputStream label(4);
+    label << num;
+    Draw(label.c_str(), scale);
 }
 
 void ClipPoint::Draw(const char *label, float scale)
 {
-  // draw point
-  glPointSize (4);
-  glColor3fv(vector3_to_array(g_xywindow_globals.color_clipper));
-  glBegin (GL_POINTS);
-  glVertex3fv(vector3_to_array(m_ptClip));
-  glEnd();
-  glPointSize (1);
+    // draw point
+    glPointSize(4);
+    glColor3fv(vector3_to_array(g_xywindow_globals.color_clipper));
+    glBegin(GL_POINTS);
+    glVertex3fv(vector3_to_array(m_ptClip));
+    glEnd();
+    glPointSize(1);
 
-  float offset = 2.0f / scale;
+    float offset = 2.0f / scale;
 
-  // draw label
-  glRasterPos3f (m_ptClip[0] + offset, m_ptClip[1] + offset, m_ptClip[2] + offset);
-  glCallLists (GLsizei(strlen(label)), GL_UNSIGNED_BYTE, label);
+    // draw label
+    glRasterPos3f(m_ptClip[0] + offset, m_ptClip[1] + offset, m_ptClip[2] + offset);
+    glCallLists(GLsizei(strlen(label)), GL_UNSIGNED_BYTE, label);
 }
 
 float fDiff(float f1, float f2)
 {
-  if (f1 > f2)
-    return f1 - f2;
-  else
-    return f2 - f1;
+    if (f1 > f2) {
+        return f1 - f2;
+    } else {
+        return f2 - f1;
+    }
 }
 
-inline double ClipPoint_Intersect(const ClipPoint& clip, const Vector3& point, VIEWTYPE viewtype, float scale)
+inline double ClipPoint_Intersect(const ClipPoint &clip, const Vector3 &point, VIEWTYPE viewtype, float scale)
 {
-  int nDim1 = (viewtype == YZ) ? 1 : 0;
-  int nDim2 = (viewtype == XY) ? 1 : 2;
-  double screenDistanceSquared(vector2_length_squared(Vector2(fDiff(clip.m_ptClip[nDim1], point[nDim1]) * scale, fDiff(clip.m_ptClip[nDim2], point[nDim2])  * scale)));
-  if(screenDistanceSquared < 8*8)
-  {
-    return screenDistanceSquared;
-  }
-  return FLT_MAX;
+    int nDim1 = (viewtype == YZ) ? 1 : 0;
+    int nDim2 = (viewtype == XY) ? 1 : 2;
+    double screenDistanceSquared(vector2_length_squared(Vector2(fDiff(clip.m_ptClip[nDim1], point[nDim1]) * scale,
+                                                                fDiff(clip.m_ptClip[nDim2], point[nDim2]) * scale)));
+    if (screenDistanceSquared < 8 * 8) {
+        return screenDistanceSquared;
+    }
+    return FLT_MAX;
 }
 
-inline void ClipPoint_testSelect(ClipPoint& clip, const Vector3& point, VIEWTYPE viewtype, float scale, double& bestDistance, ClipPoint*& bestClip)
+inline void
+ClipPoint_testSelect(ClipPoint &clip, const Vector3 &point, VIEWTYPE viewtype, float scale, double &bestDistance,
+                     ClipPoint *&bestClip)
 {
-  if(clip.Set())
-  {
-    double distance = ClipPoint_Intersect(clip, point, viewtype, scale);
-    if(distance < bestDistance)
-    {
-      bestDistance = distance;
-      bestClip = &clip;
+    if (clip.Set()) {
+        double distance = ClipPoint_Intersect(clip, point, viewtype, scale);
+        if (distance < bestDistance) {
+            bestDistance = distance;
+            bestClip = &clip;
+        }
     }
-  }
 }
 
-inline ClipPoint* GlobalClipPoints_Find(const Vector3& point, VIEWTYPE viewtype, float scale)
+inline ClipPoint *GlobalClipPoints_Find(const Vector3 &point, VIEWTYPE viewtype, float scale)
 {
-  double bestDistance = FLT_MAX;
-  ClipPoint* bestClip = 0;
-  ClipPoint_testSelect(g_Clip1, point, viewtype, scale, bestDistance, bestClip);
-  ClipPoint_testSelect(g_Clip2, point, viewtype, scale, bestDistance, bestClip);
-  ClipPoint_testSelect(g_Clip3, point, viewtype, scale, bestDistance, bestClip);
-  return bestClip;
+    double bestDistance = FLT_MAX;
+    ClipPoint *bestClip = 0;
+    ClipPoint_testSelect(g_Clip1, point, viewtype, scale, bestDistance, bestClip);
+    ClipPoint_testSelect(g_Clip2, point, viewtype, scale, bestDistance, bestClip);
+    ClipPoint_testSelect(g_Clip3, point, viewtype, scale, bestDistance, bestClip);
+    return bestClip;
 }
 
 inline void GlobalClipPoints_Draw(float scale)
 {
-  // Draw clip points
-  if (g_Clip1.Set())
-    g_Clip1.Draw(1, scale);
-  if (g_Clip2.Set())
-    g_Clip2.Draw(2, scale);
-  if (g_Clip3.Set())
-    g_Clip3.Draw(3, scale);
+    // Draw clip points
+    if (g_Clip1.Set()) {
+        g_Clip1.Draw(1, scale);
+    }
+    if (g_Clip2.Set()) {
+        g_Clip2.Draw(2, scale);
+    }
+    if (g_Clip3.Set()) {
+        g_Clip3.Draw(3, scale);
+    }
 }
 
 inline bool GlobalClipPoints_valid()
 {
-  return g_Clip1.Set() && g_Clip2.Set();
-}
-
-void PlanePointsFromClipPoints(Vector3 planepts[3], const AABB& bounds, int viewtype)
-{
-  ASSERT_MESSAGE(GlobalClipPoints_valid(), "clipper points not initialised");
-  planepts[0] = g_Clip1.m_ptClip;
-       planepts[1] = g_Clip2.m_ptClip;
-       planepts[2] = g_Clip3.m_ptClip;
-  Vector3 maxs(vector3_added(bounds.origin, bounds.extents));
-  Vector3 mins(vector3_subtracted(bounds.origin, bounds.extents));
-       if(!g_Clip3.Set())
-       {
-               int n = (viewtype == XY) ? 2 : (viewtype == 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] = maxs[n];
-                 planepts[1][n] = maxs[n];
-                 planepts[2][x] = g_Clip1.m_ptClip[x];
-                 planepts[2][y] = g_Clip1.m_ptClip[y];
-                 planepts[2][n] = mins[n];
-               }
-               else
-               {
-                 planepts[0][n] = mins[n];
-                 planepts[1][n] = mins[n];
-                 planepts[2][x] = g_Clip1.m_ptClip[x];
-                 planepts[2][y] = g_Clip1.m_ptClip[y];
-                 planepts[2][n] = maxs[n];
-               }
-       }
+    return g_Clip1.Set() && g_Clip2.Set();
+}
+
+void PlanePointsFromClipPoints(Vector3 planepts[3], const AABB &bounds, int viewtype)
+{
+    ASSERT_MESSAGE(GlobalClipPoints_valid(), "clipper points not initialised");
+    planepts[0] = g_Clip1.m_ptClip;
+    planepts[1] = g_Clip2.m_ptClip;
+    planepts[2] = g_Clip3.m_ptClip;
+    Vector3 maxs(vector3_added(bounds.origin, bounds.extents));
+    Vector3 mins(vector3_subtracted(bounds.origin, bounds.extents));
+    if (!g_Clip3.Set()) {
+        int n = (viewtype == XY) ? 2 : (viewtype == 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] = maxs[n];
+            planepts[1][n] = maxs[n];
+            planepts[2][x] = g_Clip1.m_ptClip[x];
+            planepts[2][y] = g_Clip1.m_ptClip[y];
+            planepts[2][n] = mins[n];
+        } else {
+            planepts[0][n] = mins[n];
+            planepts[1][n] = mins[n];
+            planepts[2][x] = g_Clip1.m_ptClip[x];
+            planepts[2][y] = g_Clip1.m_ptClip[y];
+            planepts[2][n] = maxs[n];
+        }
+    }
 }
 
 void Clip_Update()
 {
-  Vector3 planepts[3];
-  if(!GlobalClipPoints_valid())
-  {
-    planepts[0] = Vector3(0, 0, 0);
-         planepts[1] = Vector3(0, 0, 0);
-         planepts[2] = Vector3(0, 0, 0);
-    Scene_BrushSetClipPlane(GlobalSceneGraph(), Plane3(0, 0, 0, 0));
-  }
-  else
-  {
-    AABB bounds(Vector3(0, 0, 0), Vector3(64, 64, 64));
-    PlanePointsFromClipPoints(planepts, bounds, g_clip_viewtype);
-    if(g_bSwitch)
-    {
-      std::swap(planepts[0], planepts[1]);
+    Vector3 planepts[3];
+    if (!GlobalClipPoints_valid()) {
+        planepts[0] = Vector3(0, 0, 0);
+        planepts[1] = Vector3(0, 0, 0);
+        planepts[2] = Vector3(0, 0, 0);
+        Scene_BrushSetClipPlane(GlobalSceneGraph(), Plane3(0, 0, 0, 0));
+    } else {
+        AABB bounds(Vector3(0, 0, 0), Vector3(64, 64, 64));
+        PlanePointsFromClipPoints(planepts, bounds, g_clip_viewtype);
+        if (g_bSwitch) {
+            std::swap(planepts[0], planepts[1]);
+        }
+        Scene_BrushSetClipPlane(GlobalSceneGraph(), plane3_for_points(planepts[0], planepts[1], planepts[2]));
     }
-    Scene_BrushSetClipPlane(GlobalSceneGraph(), plane3_for_points(planepts[0], planepts[1], planepts[2]));
-  }
-  ClipperChangeNotify();
+    ClipperChangeNotify();
 }
 
-const charClip_getShader()
+const char *Clip_getShader()
 {
-  return g_clip_useCaulk ? "textures/common/caulk" : TextureBrowser_GetSelectedShader(GlobalTextureBrowser());
+    return g_clip_useCaulk ? "textures/common/caulk" : TextureBrowser_GetSelectedShader(GlobalTextureBrowser());
 }
 
 void Clip()
 {
-  if (ClipMode() && GlobalClipPoints_valid())
-  {
-    Vector3 planepts[3];
-    AABB bounds(Vector3(0, 0, 0), Vector3(64, 64, 64));
-    PlanePointsFromClipPoints(planepts, bounds, g_clip_viewtype);
-    Scene_BrushSplitByPlane(GlobalSceneGraph(), planepts[0], planepts[1], planepts[2], Clip_getShader(), (!g_bSwitch) ? eFront : eBack);
-    g_Clip1.Reset();
-    g_Clip2.Reset();
-    g_Clip3.Reset();
-    Clip_Update();
-    ClipperChangeNotify();
-  }
+    if (ClipMode() && GlobalClipPoints_valid()) {
+        Vector3 planepts[3];
+        AABB bounds(Vector3(0, 0, 0), Vector3(64, 64, 64));
+        PlanePointsFromClipPoints(planepts, bounds, g_clip_viewtype);
+        Scene_BrushSplitByPlane(GlobalSceneGraph(), planepts[0], planepts[1], planepts[2], Clip_getShader(),
+                                (!g_bSwitch) ? eFront : eBack);
+        g_Clip1.Reset();
+        g_Clip2.Reset();
+        g_Clip3.Reset();
+        Clip_Update();
+        ClipperChangeNotify();
+    }
 }
 
 void SplitClip()
 {
-  if (ClipMode() && GlobalClipPoints_valid())
-  {
-    Vector3 planepts[3];
-    AABB bounds(Vector3(0, 0, 0), Vector3(64, 64, 64));
-    PlanePointsFromClipPoints(planepts, bounds, g_clip_viewtype);
-    Scene_BrushSplitByPlane(GlobalSceneGraph(), planepts[0], planepts[1], planepts[2], Clip_getShader(), eFrontAndBack);
-    g_Clip1.Reset();
-    g_Clip2.Reset();
-    g_Clip3.Reset();
-    Clip_Update();
-    ClipperChangeNotify();
-  }
+    if (ClipMode() && GlobalClipPoints_valid()) {
+        Vector3 planepts[3];
+        AABB bounds(Vector3(0, 0, 0), Vector3(64, 64, 64));
+        PlanePointsFromClipPoints(planepts, bounds, g_clip_viewtype);
+        Scene_BrushSplitByPlane(GlobalSceneGraph(), planepts[0], planepts[1], planepts[2], Clip_getShader(),
+                                eFrontAndBack);
+        g_Clip1.Reset();
+        g_Clip2.Reset();
+        g_Clip3.Reset();
+        Clip_Update();
+        ClipperChangeNotify();
+    }
 }
 
 void FlipClip()
 {
-  g_bSwitch = !g_bSwitch;
-  Clip_Update();
-  ClipperChangeNotify();
+    g_bSwitch = !g_bSwitch;
+    Clip_Update();
+    ClipperChangeNotify();
 }
 
 void OnClipMode(bool enabled)
 {
-  g_Clip1.Reset();
-  g_Clip2.Reset();
-  g_Clip3.Reset();
+    g_Clip1.Reset();
+    g_Clip2.Reset();
+    g_Clip3.Reset();
 
-  if(!enabled && g_pMovingClip)
-  {
-    g_pMovingClip = 0;
-  }
+    if (!enabled && g_pMovingClip) {
+        g_pMovingClip = 0;
+    }
 
-  Clip_Update();
-  ClipperChangeNotify();
+    Clip_Update();
+    ClipperChangeNotify();
 }
 
 bool ClipMode()
 {
-  return GlobalSelectionSystem().ManipulatorMode() == SelectionSystem::eClip;
-}
-
-void NewClipPoint(const Vector3& point)
-{
-  if (g_Clip1.Set() == false)
-  {
-    g_Clip1.m_ptClip = point;
-    g_Clip1.Set(true);
-  }
-  else if (g_Clip2.Set() == false)
-  {
-    g_Clip2.m_ptClip = point;
-    g_Clip2.Set(true);
-  }
-  else if (g_Clip3.Set() == false)
-  {
-    g_Clip3.m_ptClip = point;
-    g_Clip3.Set(true);
-  }
-  else
-  {
-    g_Clip1.Reset();
-    g_Clip2.Reset();
-    g_Clip3.Reset();
-    g_Clip1.m_ptClip = point;
-    g_Clip1.Set(true);
-  }
+    return GlobalSelectionSystem().ManipulatorMode() == SelectionSystem::eClip;
+}
+
+void NewClipPoint(const Vector3 &point)
+{
+    if (g_Clip1.Set() == false) {
+        g_Clip1.m_ptClip = point;
+        g_Clip1.Set(true);
+    } else if (g_Clip2.Set() == false) {
+        g_Clip2.m_ptClip = point;
+        g_Clip2.Set(true);
+    } else if (g_Clip3.Set() == false) {
+        g_Clip3.m_ptClip = point;
+        g_Clip3.Set(true);
+    } else {
+        g_Clip1.Reset();
+        g_Clip2.Reset();
+        g_Clip3.Reset();
+        g_Clip1.m_ptClip = point;
+        g_Clip1.Set(true);
+    }
 
-  Clip_Update();
-  ClipperChangeNotify();
+    Clip_Update();
+    ClipperChangeNotify();
 }
 
 
+struct xywindow_globals_private_t {
+    bool d_showgrid;
 
-struct xywindow_globals_private_t
-{
-  bool  d_showgrid;
-
-  // these are in the View > Show menu with Show coordinates
-  bool  show_names;
-  bool  show_coordinates;
-  bool  show_angles;
-  bool  show_outline;
-  bool  show_axis;
+    // these are in the View > Show menu with Show coordinates
+    bool show_names;
+    bool show_coordinates;
+    bool show_angles;
+    bool show_outline;
+    bool show_axis;
 
-  bool d_show_work;
+    bool d_show_work;
 
-  bool     show_blocks;
-  int                 blockSize;
+    bool show_blocks;
+    int blockSize;
 
-  bool m_bCamXYUpdate;
-  bool m_bChaseMouse;
-  bool m_bSizePaint;
+    bool m_bCamXYUpdate;
+    bool m_bChaseMouse;
+    bool m_bSizePaint;
 
-  xywindow_globals_private_t() :
-    d_showgrid(true),
+    xywindow_globals_private_t() :
+            d_showgrid(true),
 
-    show_names(false),
-    show_coordinates(true),
-    show_angles(true),
-    show_outline(false),
-    show_axis(true),
+            show_names(false),
+            show_coordinates(true),
+            show_angles(true),
+            show_outline(false),
+            show_axis(true),
 
-    d_show_work(false),
+            d_show_work(false),
 
-    show_blocks(false),
+            show_blocks(false),
 
-    m_bCamXYUpdate(true),
-    m_bChaseMouse(true),
-    m_bSizePaint(false)
-  {
-  }
+            m_bCamXYUpdate(true),
+            m_bChaseMouse(true),
+            m_bSizePaint(true)
+    {
+    }
 
 };
 
 xywindow_globals_t g_xywindow_globals;
 xywindow_globals_private_t g_xywindow_globals_private;
 
-const unsigned int RAD_NONE =    0x00;
-const unsigned int RAD_SHIFT =   0x01;
-const unsigned int RAD_ALT =     0x02;
+const unsigned int RAD_NONE = 0x00;
+const unsigned int RAD_SHIFT = 0x01;
+const unsigned int RAD_ALT = 0x02;
 const unsigned int RAD_CONTROL = 0x04;
-const unsigned int RAD_PRESS   = 0x08;
+const unsigned int RAD_PRESS = 0x08;
 const unsigned int RAD_LBUTTON = 0x10;
 const unsigned int RAD_MBUTTON = 0x20;
 const unsigned int RAD_RBUTTON = 0x40;
 
 inline ButtonIdentifier button_for_flags(unsigned int flags)
 {
-  if(flags & RAD_LBUTTON)
-    return c_buttonLeft;
-  if(flags & RAD_RBUTTON)
-    return c_buttonRight;
-  if(flags & RAD_MBUTTON)
-    return c_buttonMiddle;
-  return c_buttonInvalid;
+    if (flags & RAD_LBUTTON) {
+        return c_buttonLeft;
+    }
+    if (flags & RAD_RBUTTON) {
+        return c_buttonRight;
+    }
+    if (flags & RAD_MBUTTON) {
+        return c_buttonMiddle;
+    }
+    return c_buttonInvalid;
 }
 
 inline ModifierFlags modifiers_for_flags(unsigned int flags)
 {
-  ModifierFlags modifiers = c_modifierNone;
-  if(flags & RAD_SHIFT)
-    modifiers |= c_modifierShift;
-  if(flags & RAD_CONTROL)
-    modifiers |= c_modifierControl;
-  if(flags & RAD_ALT)
-    modifiers |= c_modifierAlt;
-  return modifiers;
+    ModifierFlags modifiers = c_modifierNone;
+    if (flags & RAD_SHIFT) {
+        modifiers |= c_modifierShift;
+    }
+    if (flags & RAD_CONTROL) {
+        modifiers |= c_modifierControl;
+    }
+    if (flags & RAD_ALT) {
+        modifiers |= c_modifierAlt;
+    }
+    return modifiers;
 }
 
 inline unsigned int buttons_for_button_and_modifiers(ButtonIdentifier button, ModifierFlags flags)
 {
-  unsigned int buttons = 0;
-
-  switch (button.get())
-  {
-  case ButtonEnumeration::LEFT: buttons |= RAD_LBUTTON; break;
-  case ButtonEnumeration::MIDDLE: buttons |= RAD_MBUTTON; break;
-  case ButtonEnumeration::RIGHT: buttons |= RAD_RBUTTON; break;
-  }
+    unsigned int buttons = 0;
+
+    switch (button.get()) {
+        case ButtonEnumeration::INVALID:
+            break;
+        case ButtonEnumeration::LEFT:
+            buttons |= RAD_LBUTTON;
+            break;
+        case ButtonEnumeration::MIDDLE:
+            buttons |= RAD_MBUTTON;
+            break;
+        case ButtonEnumeration::RIGHT:
+            buttons |= RAD_RBUTTON;
+            break;
+    }
 
-  if(bitfield_enabled(flags, c_modifierControl))
-    buttons |= RAD_CONTROL;
+    if (bitfield_enabled(flags, c_modifierControl)) {
+        buttons |= RAD_CONTROL;
+    }
 
-  if(bitfield_enabled(flags, c_modifierShift))
-    buttons |= RAD_SHIFT;
+    if (bitfield_enabled(flags, c_modifierShift)) {
+        buttons |= RAD_SHIFT;
+    }
 
-  if(bitfield_enabled(flags, c_modifierAlt))
-    buttons |= RAD_ALT;
+    if (bitfield_enabled(flags, c_modifierAlt)) {
+        buttons |= RAD_ALT;
+    }
 
-  return buttons;
+    return buttons;
 }
 
-inline unsigned int buttons_for_event_button(GdkEventButtonevent)
+inline unsigned int buttons_for_event_button(GdkEventButton *event)
 {
-  unsigned int flags = 0;
+    unsigned int flags = 0;
 
-  switch (event->button)
-  {
-  case 1: flags |= RAD_LBUTTON; break;
-  case 2: flags |= RAD_MBUTTON; break;
-  case 3: flags |= RAD_RBUTTON; break;
-  }
+    switch (event->button) {
+        case 1:
+            flags |= RAD_LBUTTON;
+            break;
+        case 2:
+            flags |= RAD_MBUTTON;
+            break;
+        case 3:
+            flags |= RAD_RBUTTON;
+            break;
+    }
 
-  if ((event->state & GDK_CONTROL_MASK) != 0)
-    flags |= RAD_CONTROL;
+    if ((event->state & GDK_CONTROL_MASK) != 0) {
+        flags |= RAD_CONTROL;
+    }
 
-  if ((event->state & GDK_SHIFT_MASK) != 0)
-    flags |= RAD_SHIFT;
+    if ((event->state & GDK_SHIFT_MASK) != 0) {
+        flags |= RAD_SHIFT;
+    }
 
-  if((event->state & GDK_MOD1_MASK) != 0)
-    flags |= RAD_ALT;
+    if ((event->state & GDK_MOD1_MASK) != 0) {
+        flags |= RAD_ALT;
+    }
 
-  return flags;
+    return flags;
 }
 
 inline unsigned int buttons_for_state(guint state)
 {
-  unsigned int flags = 0;
+    unsigned int flags = 0;
 
-  if ((state & GDK_BUTTON1_MASK) != 0)
-    flags |= RAD_LBUTTON;
+    if ((state & GDK_BUTTON1_MASK) != 0) {
+        flags |= RAD_LBUTTON;
+    }
 
-  if ((state & GDK_BUTTON2_MASK) != 0)
-    flags |= RAD_MBUTTON;
+    if ((state & GDK_BUTTON2_MASK) != 0) {
+        flags |= RAD_MBUTTON;
+    }
 
-  if ((state & GDK_BUTTON3_MASK) != 0)
-    flags |= RAD_RBUTTON;
+    if ((state & GDK_BUTTON3_MASK) != 0) {
+        flags |= RAD_RBUTTON;
+    }
 
-  if ((state & GDK_CONTROL_MASK) != 0)
-    flags |= RAD_CONTROL;
+    if ((state & GDK_CONTROL_MASK) != 0) {
+        flags |= RAD_CONTROL;
+    }
 
-  if ((state & GDK_SHIFT_MASK) != 0)
-    flags |= RAD_SHIFT;
+    if ((state & GDK_SHIFT_MASK) != 0) {
+        flags |= RAD_SHIFT;
+    }
 
-  if ((state & GDK_MOD1_MASK) != 0)
-    flags |= RAD_ALT;
+    if ((state & GDK_MOD1_MASK) != 0) {
+        flags |= RAD_ALT;
+    }
 
-  return flags;
+    return flags;
 }
 
 
 void XYWnd::SetScale(float f)
 {
-  m_fScale = f;
-  updateProjection();
-  updateModelview();
-  XYWnd_Update(*this);
+    m_fScale = f;
+    updateProjection();
+    updateModelview();
+    XYWnd_Update(*this);
 }
 
-void XYWnd_ZoomIn(XYWndxy)
+void XYWnd_ZoomIn(XYWnd *xy)
 {
-  float max_scale = 64;
-  float scale = xy->Scale() * 5.0f / 4.0f;
-  if(scale > max_scale)
-  {
-    if(xy->Scale() != max_scale)
-    {
-      xy->SetScale (max_scale);
+    float max_scale = 64;
+    float scale = xy->Scale() * 5.0f / 4.0f;
+    if (scale > max_scale) {
+        if (xy->Scale() != max_scale) {
+            xy->SetScale(max_scale);
+        }
+    } else {
+        xy->SetScale(scale);
     }
-  }
-  else
-  {
-    xy->SetScale(scale);
-  }
 }
 
 
 // NOTE: the zoom out factor is 4/5, we could think about customizing it
 //  we don't go below a zoom factor corresponding to 10% of the max world size
 //  (this has to be computed against the window size)
-void XYWnd_ZoomOut(XYWndxy)
+void XYWnd_ZoomOut(XYWnd *xy)
 {
-  float min_scale = MIN(xy->Width(),xy->Height()) / ( 1.1f * (g_MaxWorldCoord-g_MinWorldCoord));
-  float scale = xy->Scale() * 4.0f / 5.0f;
-  if(scale < min_scale)
-  {
-    if(xy->Scale() != min_scale)
-    {
-      xy->SetScale (min_scale);
+    float min_scale = MIN(xy->Width(), xy->Height()) / (1.1f * (g_MaxWorldCoord - g_MinWorldCoord));
+    float scale = xy->Scale() * 4.0f / 5.0f;
+    if (scale < min_scale) {
+        if (xy->Scale() != min_scale) {
+            xy->SetScale(min_scale);
+        }
+    } else {
+        xy->SetScale(scale);
     }
-  }
-  else
-  {
-    xy->SetScale(scale);
-  }
 }
 
 VIEWTYPE GlobalXYWnd_getCurrentViewType()
 {
-  ASSERT_NOTNULL(g_pParentWnd);
-  ASSERT_NOTNULL(g_pParentWnd->ActiveXY());
-  return g_pParentWnd->ActiveXY()->GetViewType();
+    ASSERT_NOTNULL(g_pParentWnd);
+    ASSERT_NOTNULL(g_pParentWnd->ActiveXY());
+    return g_pParentWnd->ActiveXY()->GetViewType();
 }
 
 // =============================================================================
@@ -561,92 +576,91 @@ VIEWTYPE GlobalXYWnd_getCurrentViewType()
 
 bool g_bCrossHairs = false;
 
-GtkMenu* XYWnd::m_mnuDrop = 0;
+ui::Menu XYWnd::m_mnuDrop(ui::null);
 
 // 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(GTK_WIDGET(MainFrame_getWindow()), FALSE, "Save Image", 0, FILTER_BMP);
-  if (!filename)
-    return;
-
-  g_pParentWnd->ActiveXY()->MakeCurrent();
-  img = (unsigned char*)malloc (width*height*3);
-  glReadPixels (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;
+                                                                                                                        void WXY_Print(){
+       long width, height;
+       width = g_pParentWnd->ActiveXY()->Width();
+       height = g_pParentWnd->ActiveXY()->Height();
+       unsigned char* img;
+       const char* filename;
+
+       filename = ui::file_dialog( MainFrame_getWindow( ), FALSE, "Save Image", 0, FILTER_BMP );
+       if ( !filename ) {
+               return;
+       }
 
-      // 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;
+       g_pParentWnd->ActiveXY()->MakeCurrent();
+       img = (unsigned char*)malloc( width * height * 3 );
+       glReadPixels( 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++;
-        }
-    }
+                       unsigned long count;
+                       for ( count = row_size; count < widthDW; count++ )
+                       {
+                               putc( 0, fp ); // dummy
+                               byteswritten++;
+                       }
+               }
 
-    fclose(fp);
-  }
+               fclose( fp );
+       }
 
-  free (img);
+       free( img );
 }
 #endif
 
@@ -657,2016 +671,1956 @@ Timer g_chasemouse_timer;
 
 void XYWnd::ChaseMouse()
 {
-  float multiplier = g_chasemouse_timer.elapsed_msec() / 10.0f;
-  Scroll(float_to_integer(multiplier * m_chasemouse_delta_x), float_to_integer(multiplier * -m_chasemouse_delta_y));
+    float multiplier = g_chasemouse_timer.elapsed_msec() / 10.0f;
+    Scroll(float_to_integer(multiplier * m_chasemouse_delta_x), float_to_integer(multiplier * -m_chasemouse_delta_y));
 
-  //globalOutputStream() << "chasemouse: multiplier=" << multiplier << " x=" << m_chasemouse_delta_x << " y=" << m_chasemouse_delta_y << '\n';
+    //globalOutputStream() << "chasemouse: multiplier=" << multiplier << " x=" << m_chasemouse_delta_x << " y=" << m_chasemouse_delta_y << '\n';
 
-  XY_MouseMoved(m_chasemouse_current_x, m_chasemouse_current_y , getButtonState());
-  g_chasemouse_timer.start();
+    XY_MouseMoved(m_chasemouse_current_x, m_chasemouse_current_y, getButtonState());
+    g_chasemouse_timer.start();
 }
 
 gboolean xywnd_chasemouse(gpointer data)
 {
-  reinterpret_cast<XYWnd*>(data)->ChaseMouse();
-  return TRUE;
+    reinterpret_cast<XYWnd *>( data )->ChaseMouse();
+    return TRUE;
 }
 
-inline const int& min_int(const int& left, const int& right)
+inline const int &min_int(const int &left, const int &right)
 {
-  return std::min(left, right);
+    return std::min(left, right);
 }
 
 bool XYWnd::chaseMouseMotion(int pointx, int pointy)
 {
-  m_chasemouse_delta_x = 0;
-  m_chasemouse_delta_y = 0;
+    m_chasemouse_delta_x = 0;
+    m_chasemouse_delta_y = 0;
 
-  if (g_xywindow_globals_private.m_bChaseMouse && getButtonState() == RAD_LBUTTON)
-  {
-    const int epsilon = 16;
+    if (g_xywindow_globals_private.m_bChaseMouse && getButtonState() == RAD_LBUTTON) {
+        const int epsilon = 16;
 
-    if (pointx < epsilon)
-    {
-      m_chasemouse_delta_x = std::max(pointx, 0) - epsilon;
-    }
-    else if ((pointx - m_nWidth) > -epsilon)
-    {
-      m_chasemouse_delta_x = min_int((pointx - m_nWidth), 0) + epsilon;
-    }
+        if (pointx < epsilon) {
+            m_chasemouse_delta_x = std::max(pointx, 0) - epsilon;
+        } else if ((pointx - m_nWidth) > -epsilon) {
+            m_chasemouse_delta_x = min_int((pointx - m_nWidth), 0) + epsilon;
+        }
 
-    if (pointy < epsilon)
-    {
-      m_chasemouse_delta_y = std::max(pointy, 0) - epsilon;
-    }
-    else if ((pointy - m_nHeight) > -epsilon)
-    {
-      m_chasemouse_delta_y = min_int((pointy - m_nHeight), 0) + epsilon;
-    }
+        if (pointy < epsilon) {
+            m_chasemouse_delta_y = std::max(pointy, 0) - epsilon;
+        } else if ((pointy - m_nHeight) > -epsilon) {
+            m_chasemouse_delta_y = min_int((pointy - m_nHeight), 0) + epsilon;
+        }
 
-    if(m_chasemouse_delta_y != 0 || m_chasemouse_delta_x != 0)
-    {
-      //globalOutputStream() << "chasemouse motion: x=" << pointx << " y=" << pointy << "... ";
-      m_chasemouse_current_x = pointx;
-      m_chasemouse_current_y = pointy;
-      if(m_chasemouse_handler == 0)
-      {
-        //globalOutputStream() << "chasemouse timer start... ";
-        g_chasemouse_timer.start();
-        m_chasemouse_handler = g_idle_add(xywnd_chasemouse, this);
-      }
-      return true;
-    }
-    else
-    {
-      if(m_chasemouse_handler != 0)
-      {
-        //globalOutputStream() << "chasemouse cancel\n";
-        g_source_remove(m_chasemouse_handler);
-        m_chasemouse_handler = 0;
-      }
-    }
-  }
-  else
-  {
-    if(m_chasemouse_handler != 0)
-    {
-      //globalOutputStream() << "chasemouse cancel\n";
-      g_source_remove(m_chasemouse_handler);
-      m_chasemouse_handler = 0;
+        if (m_chasemouse_delta_y != 0 || m_chasemouse_delta_x != 0) {
+            //globalOutputStream() << "chasemouse motion: x=" << pointx << " y=" << pointy << "... ";
+            m_chasemouse_current_x = pointx;
+            m_chasemouse_current_y = pointy;
+            if (m_chasemouse_handler == 0) {
+                //globalOutputStream() << "chasemouse timer start... ";
+                g_chasemouse_timer.start();
+                m_chasemouse_handler = g_idle_add(xywnd_chasemouse, this);
+            }
+            return true;
+        } else {
+            if (m_chasemouse_handler != 0) {
+                //globalOutputStream() << "chasemouse cancel\n";
+                g_source_remove(m_chasemouse_handler);
+                m_chasemouse_handler = 0;
+            }
+        }
+    } else {
+        if (m_chasemouse_handler != 0) {
+            //globalOutputStream() << "chasemouse cancel\n";
+            g_source_remove(m_chasemouse_handler);
+            m_chasemouse_handler = 0;
+        }
     }
-  }
-  return false;
+    return false;
 }
 
 // =============================================================================
 // XYWnd class
-ShaderXYWnd::m_state_selected = 0;
+Shader *XYWnd::m_state_selected = 0;
 
-void xy_update_xor_rectangle(XYWndself, rect_t area)
+void xy_update_xor_rectangle(XYWnd &self, rect_t area)
 {
-  if(GTK_WIDGET_VISIBLE(self.GetWidget()))
-  {
-    self.m_XORRectangle.set(rectangle_from_area(area.min, area.max, self.Width(), self.Height()));
-  }
+    if (self.GetWidget().visible()) {
+        self.m_XORRectangle.set(rectangle_from_area(area.min, area.max, self.Width(), self.Height()));
+    }
 }
 
-gboolean xywnd_button_press(GtkWidget* widget, GdkEventButton* event, XYWnd* xywnd)
+gboolean xywnd_button_press(ui::Widget widget, GdkEventButton *event, XYWnd *xywnd)
 {
-  if(event->type == GDK_BUTTON_PRESS)
-  {
-    g_pParentWnd->SetActiveXY(xywnd);
+    if (event->type == GDK_BUTTON_PRESS) {
+        g_pParentWnd->SetActiveXY(xywnd);
 
-    xywnd->ButtonState_onMouseDown(buttons_for_event_button(event));
+        xywnd->ButtonState_onMouseDown(buttons_for_event_button(event));
 
-    xywnd->onMouseDown(WindowVector(event->x, event->y), button_for_button(event->button), modifiers_for_state(event->state));
-  }
-  return FALSE;
+        xywnd->onMouseDown(WindowVector(event->x, event->y), button_for_button(event->button),
+                           modifiers_for_state(event->state));
+    }
+    return FALSE;
 }
 
-gboolean xywnd_button_release(GtkWidget* widget, GdkEventButton* event, XYWnd* xywnd)
+gboolean xywnd_button_release(ui::Widget widget, GdkEventButton *event, XYWnd *xywnd)
 {
-  if(event->type == GDK_BUTTON_RELEASE)
-  {
-    xywnd->XY_MouseUp(static_cast<int>(event->x), static_cast<int>(event->y), buttons_for_event_button(event));
+    if (event->type == GDK_BUTTON_RELEASE) {
+        xywnd->XY_MouseUp(static_cast<int>( event->x ), static_cast<int>( event->y ), buttons_for_event_button(event));
 
-    xywnd->ButtonState_onMouseUp(buttons_for_event_button(event));
-  }
-  return FALSE;
+        xywnd->ButtonState_onMouseUp(buttons_for_event_button(event));
+    }
+    return FALSE;
 }
 
-void xywnd_motion(gdouble x, gdouble y, guint state, void* data)
+gboolean xywnd_focus_in(ui::Widget widget, GdkEventFocus *event, XYWnd *xywnd)
 {
-  if(reinterpret_cast<XYWnd*>(data)->chaseMouseMotion(static_cast<int>(x), static_cast<int>(y)))
-  {
-    return;
-  }
-  reinterpret_cast<XYWnd*>(data)->XY_MouseMoved(static_cast<int>(x), static_cast<int>(y), buttons_for_state(state));
+    if (event->type == GDK_FOCUS_CHANGE) {
+        if (event->in) {
+            g_pParentWnd->SetActiveXY(xywnd);
+        }
+    }
+    return FALSE;
 }
 
-gboolean xywnd_wheel_scroll(GtkWidget* widget, GdkEventScroll* event, XYWnd* xywnd)
+void xywnd_motion(gdouble x, gdouble y, guint state, void *data)
 {
-  if(event->direction == GDK_SCROLL_UP)
-  {
-    XYWnd_ZoomIn(xywnd);
-  }
-  else if(event->direction == GDK_SCROLL_DOWN)
-  {
-    XYWnd_ZoomOut(xywnd);
-  }
-  return FALSE;
+    if (reinterpret_cast<XYWnd *>( data )->chaseMouseMotion(static_cast<int>( x ), static_cast<int>( y ))) {
+        return;
+    }
+    reinterpret_cast<XYWnd *>( data )->XY_MouseMoved(static_cast<int>( x ), static_cast<int>( y ),
+                                                     buttons_for_state(state));
 }
 
-gboolean xywnd_size_allocate(GtkWidget* widget, GtkAllocation* allocation, XYWnd* xywnd)
+gboolean xywnd_wheel_scroll(ui::Widget widget, GdkEventScroll *event, XYWnd *xywnd)
 {
-  xywnd->m_nWidth = allocation->width;
-  xywnd->m_nHeight = allocation->height;
-  xywnd->updateProjection();
-  xywnd->m_window_observer->onSizeChanged(xywnd->Width(), xywnd->Height());
-  return FALSE;
+    if (event->direction == GDK_SCROLL_UP) {
+        XYWnd_ZoomIn(xywnd);
+    } else if (event->direction == GDK_SCROLL_DOWN) {
+        XYWnd_ZoomOut(xywnd);
+    }
+    return FALSE;
 }
 
-gboolean xywnd_expose(GtkWidget* widget, GdkEventExpose* event, XYWnd* xywnd)
+gboolean xywnd_size_allocate(ui::Widget widget, GtkAllocation *allocation, XYWnd *xywnd)
 {
-  if(glwidget_make_current(xywnd->GetWidget()) != FALSE)
-  {
-    if(Map_Valid(g_map) && ScreenUpdates_Enabled())
-    {
-      GlobalOpenGL_debugAssertNoErrors();
-      xywnd->XY_Draw();
-      GlobalOpenGL_debugAssertNoErrors();
+    xywnd->m_nWidth = allocation->width;
+    xywnd->m_nHeight = allocation->height;
+    xywnd->updateProjection();
+    xywnd->m_window_observer->onSizeChanged(xywnd->Width(), xywnd->Height());
+    return FALSE;
+}
+
+gboolean xywnd_expose(ui::Widget widget, GdkEventExpose *event, XYWnd *xywnd)
+{
+    if (glwidget_make_current(xywnd->GetWidget()) != FALSE) {
+        if (Map_Valid(g_map) && ScreenUpdates_Enabled()) {
+            GlobalOpenGL_debugAssertNoErrors();
+            xywnd->XY_Draw();
+            GlobalOpenGL_debugAssertNoErrors();
 
-      xywnd->m_XORRectangle.set(rectangle_t());
+            xywnd->m_XORRectangle.set(rectangle_t());
+        }
+        glwidget_swap_buffers(xywnd->GetWidget());
     }
-    glwidget_swap_buffers(xywnd->GetWidget());
-  }
-  return FALSE;
+    return FALSE;
 }
 
 
-void XYWnd_CameraMoved(XYWndxywnd)
+void XYWnd_CameraMoved(XYWnd &xywnd)
 {
-  if(g_xywindow_globals_private.m_bCamXYUpdate)
-  {
-    XYWnd_Update(xywnd);
-  }
+    if (g_xywindow_globals_private.m_bCamXYUpdate) {
+        XYWnd_Update(xywnd);
+    }
 }
 
 XYWnd::XYWnd() :
-  m_gl_widget(glwidget_new(FALSE)),
-  m_deferredDraw(WidgetQueueDrawCaller(*m_gl_widget)),
-  m_deferred_motion(xywnd_motion, this),
-  m_parent(0),
-  m_window_observer(NewWindowObserver()),
-  m_XORRectangle(m_gl_widget),
-  m_chasemouse_handler(0)
+        m_gl_widget(glwidget_new(FALSE)),
+        m_deferredDraw(WidgetQueueDrawCaller(m_gl_widget)),
+        m_deferred_motion(xywnd_motion, this),
+        m_parent(ui::null),
+        m_window_observer(NewWindowObserver()),
+        m_XORRectangle(m_gl_widget),
+        m_chasemouse_handler(0)
 {
-  m_bActive = false;
-  m_buttonstate = 0;
+    m_bActive = false;
+    m_buttonstate = 0;
 
-  m_bNewBrushDrag = false;
-  m_move_started = false;
-  m_zoom_started = false;
+    m_bNewBrushDrag = false;
+    m_move_started = false;
+    m_zoom_started = false;
 
-  m_nWidth = 0;
-  m_nHeight = 0;
+    m_nWidth = 0;
+    m_nHeight = 0;
 
-  m_vOrigin[0] = 0;
-  m_vOrigin[1] = 20;
-  m_vOrigin[2] = 46;
-  m_fScale = 1;
-  m_viewType = XY;
+    m_vOrigin[0] = 0;
+    m_vOrigin[1] = 20;
+    m_vOrigin[2] = 46;
+    m_fScale = 1;
+    m_viewType = XY;
 
-  m_backgroundActivated = false;
-  m_alpha = 1.0f;
-  m_xmin = 0.0f;
-  m_ymin = 0.0f;
-  m_xmax = 0.0f;
-  m_ymax = 0.0f;
+    m_backgroundActivated = false;
+    m_alpha = 1.0f;
+    m_xmin = 0.0f;
+    m_ymin = 0.0f;
+    m_xmax = 0.0f;
+    m_ymax = 0.0f;
 
-  m_entityCreate = false;
+    m_entityCreate = false;
 
-  m_mnuDrop = 0;
+    m_mnuDrop = ui::Menu(ui::null);
 
-  GlobalWindowObservers_add(m_window_observer);
-  GlobalWindowObservers_connectWidget(m_gl_widget);
+    GlobalWindowObservers_add(m_window_observer);
+    GlobalWindowObservers_connectWidget(m_gl_widget);
 
-  m_window_observer->setRectangleDrawCallback(ReferenceCaller1<XYWnd, rect_t, xy_update_xor_rectangle>(*this));
-  m_window_observer->setView(m_view);
+    m_window_observer->setRectangleDrawCallback(ReferenceCaller<XYWnd, void(rect_t), xy_update_xor_rectangle>(*this));
+    m_window_observer->setView(m_view);
 
-  gtk_widget_ref(m_gl_widget);
+    g_object_ref(m_gl_widget._handle);
 
-  gtk_widget_set_events(m_gl_widget, GDK_DESTROY | GDK_EXPOSURE_MASK | GDK_BUTTON_PRESS_MASK | GDK_BUTTON_RELEASE_MASK | GDK_POINTER_MOTION_MASK | GDK_SCROLL_MASK);
-  GTK_WIDGET_SET_FLAGS(m_gl_widget, GTK_CAN_FOCUS);
+    gtk_widget_set_events(m_gl_widget,
+                          GDK_DESTROY | GDK_EXPOSURE_MASK | GDK_BUTTON_PRESS_MASK | GDK_BUTTON_RELEASE_MASK |
+                          GDK_POINTER_MOTION_MASK | GDK_SCROLL_MASK);
+    gtk_widget_set_can_focus(m_gl_widget, true);
 
-  m_sizeHandler = g_signal_connect(G_OBJECT(m_gl_widget), "size_allocate", G_CALLBACK(xywnd_size_allocate), this);
-  m_exposeHandler = g_signal_connect(G_OBJECT(m_gl_widget), "expose_event", G_CALLBACK(xywnd_expose), this);
+    m_sizeHandler = m_gl_widget.connect("size_allocate", G_CALLBACK(xywnd_size_allocate), this);
+    m_exposeHandler = m_gl_widget.on_render(G_CALLBACK(xywnd_expose), this);
 
-  g_signal_connect(G_OBJECT(m_gl_widget), "button_press_event", G_CALLBACK(xywnd_button_press), this);
-  g_signal_connect(G_OBJECT(m_gl_widget), "button_release_event", G_CALLBACK(xywnd_button_release), this);
-  g_signal_connect(G_OBJECT(m_gl_widget), "motion_notify_event", G_CALLBACK(DeferredMotion::gtk_motion), &m_deferred_motion);
+    m_gl_widget.connect("button_press_event", G_CALLBACK(xywnd_button_press), this);
+    m_gl_widget.connect("button_release_event", G_CALLBACK(xywnd_button_release), this);
+    m_gl_widget.connect("focus_in_event", G_CALLBACK(xywnd_focus_in), this);
+    m_gl_widget.connect("motion_notify_event", G_CALLBACK(DeferredMotion::gtk_motion), &m_deferred_motion);
 
-  g_signal_connect(G_OBJECT(m_gl_widget), "scroll_event", G_CALLBACK(xywnd_wheel_scroll), this);
+    m_gl_widget.connect("scroll_event", G_CALLBACK(xywnd_wheel_scroll), this);
 
-  Map_addValidCallback(g_map, DeferredDrawOnMapValidChangedCaller(m_deferredDraw));
+    Map_addValidCallback(g_map, DeferredDrawOnMapValidChangedCaller(m_deferredDraw));
 
-  updateProjection();
-  updateModelview();
+    updateProjection();
+    updateModelview();
 
-  AddSceneChangeCallback(ReferenceCaller<XYWnd, &XYWnd_Update>(*this));
-  AddCameraMovedCallback(ReferenceCaller<XYWnd, &XYWnd_CameraMoved>(*this));
+    AddSceneChangeCallback(ReferenceCaller<XYWnd, void(), &XYWnd_Update>(*this));
+    AddCameraMovedCallback(ReferenceCaller<XYWnd, void(), &XYWnd_CameraMoved>(*this));
 
-  PressedButtons_connect(g_pressedButtons, m_gl_widget);
+    PressedButtons_connect(g_pressedButtons, m_gl_widget);
 
-  onMouseDown.connectLast(makeSignalHandler3(MouseDownCaller(), *this));
+    onMouseDown.connectLast(makeSignalHandler3(MouseDownCaller(), *this));
 }
 
 XYWnd::~XYWnd()
 {
-  onDestroyed();
+    onDestroyed();
 
-  if(m_mnuDrop != 0)
-  {
-    gtk_widget_destroy(GTK_WIDGET(m_mnuDrop));
-    m_mnuDrop = 0;
-  }
+    if (m_mnuDrop) {
+        m_mnuDrop.destroy();
+        m_mnuDrop = ui::Menu(ui::null);
+    }
 
-  g_signal_handler_disconnect(G_OBJECT(m_gl_widget), m_sizeHandler);
-  g_signal_handler_disconnect(G_OBJECT(m_gl_widget), m_exposeHandler);
+    g_signal_handler_disconnect(G_OBJECT(m_gl_widget), m_sizeHandler);
+    g_signal_handler_disconnect(G_OBJECT(m_gl_widget), m_exposeHandler);
 
-  gtk_widget_unref(m_gl_widget);
+    m_gl_widget.unref();
 
-  m_window_observer->release();
+    m_window_observer->release();
 }
 
 void XYWnd::captureStates()
 {
-  m_state_selected = GlobalShaderCache().capture("$XY_OVERLAY");
+    m_state_selected = GlobalShaderCache().capture("$XY_OVERLAY");
 }
 
 void XYWnd::releaseStates()
 {
-  GlobalShaderCache().release("$XY_OVERLAY");
+    GlobalShaderCache().release("$XY_OVERLAY");
 }
 
-const Vector3XYWnd::GetOrigin()
+const Vector3 &XYWnd::GetOrigin()
 {
-  return m_vOrigin;
+    return m_vOrigin;
 }
 
-void XYWnd::SetOrigin(const Vector3origin)
+void XYWnd::SetOrigin(const Vector3 &origin)
 {
-  m_vOrigin = origin;
-  updateModelview();
+    m_vOrigin = origin;
+    updateModelview();
 }
 
 void XYWnd::Scroll(int x, int y)
 {
-  int nDim1 = (m_viewType == YZ) ? 1 : 0;
-  int nDim2 = (m_viewType == XY) ? 1 : 2;
-  m_vOrigin[nDim1] += x / m_fScale;
-  m_vOrigin[nDim2] += y / m_fScale;
-  updateModelview();
-  queueDraw();
+    int nDim1 = (m_viewType == YZ) ? 1 : 0;
+    int nDim2 = (m_viewType == XY) ? 1 : 2;
+    m_vOrigin[nDim1] += x / m_fScale;
+    m_vOrigin[nDim2] += y / m_fScale;
+    updateModelview();
+    queueDraw();
 }
 
 unsigned int Clipper_buttons()
 {
-  return RAD_LBUTTON;
+    return RAD_LBUTTON;
 }
 
 void XYWnd::DropClipPoint(int pointx, int pointy)
 {
-  Vector3 point;
+    Vector3 point;
 
-  XY_ToPoint(pointx, pointy, point);
+    XY_ToPoint(pointx, pointy, point);
 
-  Vector3 mid;
-  Select_GetMid(mid);
-  g_clip_viewtype = static_cast<VIEWTYPE>(GetViewType());
-  const int nDim = (g_clip_viewtype == YZ ) ? 0 : ( (g_clip_viewtype == XZ) ? 1 : 2 );
-  point[nDim] = mid[nDim];
-  vector3_snap(point, GetGridSize());
-  NewClipPoint(point);
+    Vector3 mid;
+    Select_GetMid(mid);
+    g_clip_viewtype = static_cast<VIEWTYPE>( GetViewType());
+    const int nDim = (g_clip_viewtype == YZ) ? 0 : ((g_clip_viewtype == XZ) ? 1 : 2);
+    point[nDim] = mid[nDim];
+    vector3_snap(point, GetSnapGridSize());
+    NewClipPoint(point);
 }
 
 void XYWnd::Clipper_OnLButtonDown(int x, int y)
 {
-  Vector3 mousePosition;
-  XY_ToPoint(x, y , mousePosition);
-  g_pMovingClip = GlobalClipPoints_Find(mousePosition, (VIEWTYPE)m_viewType, m_fScale);
-  if(!g_pMovingClip)
-  {
-    DropClipPoint(x, y);
-  }
+    Vector3 mousePosition;
+    XY_ToPoint(x, y, mousePosition);
+    g_pMovingClip = GlobalClipPoints_Find(mousePosition, (VIEWTYPE) m_viewType, m_fScale);
+    if (!g_pMovingClip) {
+        DropClipPoint(x, y);
+    }
 }
 
 void XYWnd::Clipper_OnLButtonUp(int x, int y)
 {
-  if (g_pMovingClip)
-  {
-    g_pMovingClip = 0;
-  }
+    if (g_pMovingClip) {
+        g_pMovingClip = 0;
+    }
 }
 
 void XYWnd::Clipper_OnMouseMoved(int x, int y)
 {
-  if (g_pMovingClip)
-  {
-    XY_ToPoint(x, y , g_pMovingClip->m_ptClip);
-    XY_SnapToGrid(g_pMovingClip->m_ptClip);
-    Clip_Update();
-    ClipperChangeNotify();
-  }
+    if (g_pMovingClip) {
+        XY_ToPoint(x, y, g_pMovingClip->m_ptClip);
+        XY_SnapToGrid(g_pMovingClip->m_ptClip);
+        Clip_Update();
+        ClipperChangeNotify();
+    }
 }
 
 void XYWnd::Clipper_Crosshair_OnMouseMoved(int x, int y)
 {
-  Vector3 mousePosition;
-  XY_ToPoint(x, y , mousePosition);
-  if(ClipMode() && GlobalClipPoints_Find(mousePosition, (VIEWTYPE)m_viewType, m_fScale) != 0)
-  {
-    GdkCursor *cursor;
-    cursor = gdk_cursor_new (GDK_CROSSHAIR);
-    gdk_window_set_cursor (m_gl_widget->window, cursor);
-    gdk_cursor_unref (cursor);
-  }
-  else
-  {
-    gdk_window_set_cursor (m_gl_widget->window, 0);
-  }
+    Vector3 mousePosition;
+    XY_ToPoint(x, y, mousePosition);
+    if (ClipMode() && GlobalClipPoints_Find(mousePosition, (VIEWTYPE) m_viewType, m_fScale) != 0) {
+        GdkCursor *cursor;
+        cursor = gdk_cursor_new(GDK_CROSSHAIR);
+        gdk_window_set_cursor(gtk_widget_get_window(m_gl_widget), cursor);
+        gdk_cursor_unref(cursor);
+    } else {
+        gdk_window_set_cursor(gtk_widget_get_window(m_gl_widget), 0);
+    }
 }
 
 unsigned int MoveCamera_buttons()
 {
-  return RAD_CONTROL | (g_glwindow_globals.m_nMouseType == ETwoButton ? RAD_RBUTTON : RAD_MBUTTON);
+    return RAD_CONTROL | (g_glwindow_globals.m_nMouseType == ETwoButton ? RAD_RBUTTON : RAD_MBUTTON);
 }
 
-void XYWnd_PositionCamera(XYWnd* xywnd, int x, int y, CamWnd& camwnd)
+void XYWnd_PositionCamera(XYWnd *xywnd, int x, int y, CamWnd &camwnd)
 {
-  Vector3 origin(Camera_getOrigin(camwnd));
-  xywnd->XY_ToPoint(x, y, origin);
-  xywnd->XY_SnapToGrid(origin);
-  Camera_setOrigin(camwnd, origin);
+    Vector3 origin(Camera_getOrigin(camwnd));
+    xywnd->XY_ToPoint(x, y, origin);
+    xywnd->XY_SnapToGrid(origin);
+    Camera_setOrigin(camwnd, origin);
 }
 
 unsigned int OrientCamera_buttons()
 {
-  if(g_glwindow_globals.m_nMouseType == ETwoButton)
-    return RAD_RBUTTON | RAD_SHIFT | RAD_CONTROL;
-  return RAD_MBUTTON;
+    if (g_glwindow_globals.m_nMouseType == ETwoButton) {
+        return RAD_RBUTTON | RAD_SHIFT | RAD_CONTROL;
+    }
+    return RAD_MBUTTON;
 }
 
-void XYWnd_OrientCamera(XYWnd* xywnd, int x, int y, CamWnd& camwnd)
+void XYWnd_OrientCamera(XYWnd *xywnd, int x, int y, CamWnd &camwnd)
 {
-  Vector3      point = g_vector3_identity;
-  xywnd->XY_ToPoint(x, y, point);
-  xywnd->XY_SnapToGrid(point);
-  vector3_subtract(point, Camera_getOrigin(camwnd));
+    Vector3 point = g_vector3_identity;
+    xywnd->XY_ToPoint(x, y, point);
+    xywnd->XY_SnapToGrid(point);
+    vector3_subtract(point, Camera_getOrigin(camwnd));
 
-  int n1 = (xywnd->GetViewType() == XY) ? 1 : 2;
-  int n2 = (xywnd->GetViewType() == YZ) ? 1 : 0;
-  int nAngle = (xywnd->GetViewType() == XY) ? CAMERA_YAW : CAMERA_PITCH;
-  if (point[n1] || point[n2])
-  {
-    Vector3 angles(Camera_getAngles(camwnd));
-    angles[nAngle] = static_cast<float>(radians_to_degrees(atan2 (point[n1], point[n2])));
-    Camera_setAngles(camwnd, angles);
-  }
+    int n1 = (xywnd->GetViewType() == XY) ? 1 : 2;
+    int n2 = (xywnd->GetViewType() == YZ) ? 1 : 0;
+    int nAngle = (xywnd->GetViewType() == XY) ? CAMERA_YAW : CAMERA_PITCH;
+    if (point[n1] || point[n2]) {
+        Vector3 angles(Camera_getAngles(camwnd));
+        angles[nAngle] = static_cast<float>( radians_to_degrees(atan2(point[n1], point[n2])));
+        Camera_setAngles(camwnd, angles);
+    }
 }
 
 /*
-==============
-NewBrushDrag
-==============
-*/
+   ==============
+   NewBrushDrag
+   ==============
+ */
 unsigned int NewBrushDrag_buttons()
 {
-  return RAD_LBUTTON;
+    return RAD_LBUTTON;
 }
 
 void XYWnd::NewBrushDrag_Begin(int x, int y)
 {
-  m_NewBrushDrag = 0;
-  m_nNewBrushPressx = x;
-  m_nNewBrushPressy = y;
+    m_NewBrushDrag = 0;
+    m_nNewBrushPressx = x;
+    m_nNewBrushPressy = y;
 
-  m_bNewBrushDrag = true;
-  GlobalUndoSystem().start();
+    m_bNewBrushDrag = true;
+    GlobalUndoSystem().start();
 }
 
 void XYWnd::NewBrushDrag_End(int x, int y)
 {
-  if(m_NewBrushDrag != 0)
-  {
-    GlobalUndoSystem().finish("brushDragNew");
-  }
+    if (m_NewBrushDrag != 0) {
+        GlobalUndoSystem().finish("brushDragNew");
+    }
 }
 
 void XYWnd::NewBrushDrag(int x, int y)
 {
-  Vector3      mins, maxs;
-  XY_ToPoint(m_nNewBrushPressx, m_nNewBrushPressy, mins);
-  XY_SnapToGrid(mins);
-       XY_ToPoint(x, y, maxs);
-  XY_SnapToGrid(maxs);
+    Vector3 mins, maxs;
+    XY_ToPoint(m_nNewBrushPressx, m_nNewBrushPressy, mins);
+    XY_SnapToGrid(mins);
+    XY_ToPoint(x, y, maxs);
+    XY_SnapToGrid(maxs);
 
-  int nDim = (m_viewType == XY) ? 2 : (m_viewType == YZ) ? 0 : 1;
+    int nDim = (m_viewType == XY) ? 2 : (m_viewType == YZ) ? 0 : 1;
 
-  mins[nDim] = float_snapped(Select_getWorkZone().d_work_min[nDim], GetGridSize());
-  maxs[nDim] = float_snapped(Select_getWorkZone().d_work_max[nDim], GetGridSize());
+    mins[nDim] = float_snapped(Select_getWorkZone().d_work_min[nDim], GetSnapGridSize());
+    maxs[nDim] = float_snapped(Select_getWorkZone().d_work_max[nDim], GetSnapGridSize());
 
-  if (maxs[nDim] <= mins[nDim])
-    maxs[nDim] = mins[nDim] + GetGridSize();
+    if (maxs[nDim] <= mins[nDim]) {
+        maxs[nDim] = mins[nDim] + GetGridSize();
+    }
 
-  for(int i=0 ; i<3 ; i++)
-  {
-    if (mins[i] == maxs[i])
-      return;  // don't create a degenerate brush
-    if (mins[i] > maxs[i])
-    {
-      float    temp = mins[i];
-      mins[i] = maxs[i];
-      maxs[i] = temp;
+    for (int i = 0; i < 3; i++) {
+        if (mins[i] == maxs[i]) {
+            return; // don't create a degenerate brush
+        }
+        if (mins[i] > maxs[i]) {
+            float temp = mins[i];
+            mins[i] = maxs[i];
+            maxs[i] = temp;
+        }
     }
-  }
 
-  if(m_NewBrushDrag == 0)
-  {
-    NodeSmartReference node(GlobalBrushCreator().createBrush());
-    Node_getTraversable(Map_FindOrInsertWorldspawn(g_map))->insert(node);
+    if (m_NewBrushDrag == 0) {
+        NodeSmartReference node(GlobalBrushCreator().createBrush());
+        Node_getTraversable(Map_FindOrInsertWorldspawn(g_map))->insert(node);
 
-    scene::Path brushpath(makeReference(GlobalSceneGraph().root()));
-    brushpath.push(makeReference(*Map_GetWorldspawn(g_map)));
-    brushpath.push(makeReference(node.get()));
-    selectPath(brushpath, true);
+        scene::Path brushpath(makeReference(GlobalSceneGraph().root()));
+        brushpath.push(makeReference(*Map_GetWorldspawn(g_map)));
+        brushpath.push(makeReference(node.get()));
+        selectPath(brushpath, true);
 
-    m_NewBrushDrag = node.get_pointer();
-  }
+        m_NewBrushDrag = node.get_pointer();
+    }
 
-  // d1223m
-  //Scene_BrushResize_Selected(GlobalSceneGraph(), aabb_for_minmax(mins, maxs), TextureBrowser_GetSelectedShader(GlobalTextureBrowser()));
-  Scene_BrushResize_Selected(GlobalSceneGraph(), aabb_for_minmax(mins, maxs),
-        g_brush_always_caulk ?
-            "textures/common/caulk" : TextureBrowser_GetSelectedShader(GlobalTextureBrowser()));
+    // d1223m
+    //Scene_BrushResize_Selected(GlobalSceneGraph(), aabb_for_minmax(mins, maxs), TextureBrowser_GetSelectedShader(GlobalTextureBrowser()));
+    Scene_BrushResize_Selected(GlobalSceneGraph(), aabb_for_minmax(mins, maxs),
+                               g_brush_always_caulk ?
+                               "textures/common/caulk" : TextureBrowser_GetSelectedShader(GlobalTextureBrowser()));
 }
 
-void entitycreate_activated(GtkWidget* item)
+void entitycreate_activated(ui::Widget item)
 {
-  scene::Node* world_node = Map_FindWorldspawn(g_map);
-  const char* entity_name = gtk_label_get_text(GTK_LABEL(GTK_BIN(item)->child));
+    scene::Node *world_node = Map_FindWorldspawn(g_map);
+    const char *entity_name = gtk_label_get_text(GTK_LABEL(gtk_bin_get_child(GTK_BIN(item))));
 
-  if(!(world_node && string_equal(entity_name, "worldspawn")))
-  {
-    g_pParentWnd->ActiveXY()->OnEntityCreate(entity_name);
-  } else {
-    GlobalRadiant().m_pfnMessageBox(GTK_WIDGET(MainFrame_getWindow()), "There's already a worldspawn in your map!"
-                                        "",
+    if (!(world_node && string_equal(entity_name, "worldspawn"))) {
+        g_pParentWnd->ActiveXY()->OnEntityCreate(entity_name);
+    } else {
+        GlobalRadiant().m_pfnMessageBox(MainFrame_getWindow(), "There's already a worldspawn in your map!"
+                                                "",
                                         "Info",
                                         eMB_OK,
                                         eMB_ICONDEFAULT);
-  }
+    }
 }
 
-void EntityClassMenu_addItem(GtkMenu* menu, const char* name)
+void EntityClassMenu_addItem(ui::Menu menu, const char *name)
 {
-  GtkMenuItem* item = GTK_MENU_ITEM(gtk_menu_item_new_with_label(name));
-  g_signal_connect(G_OBJECT(item), "activate", G_CALLBACK(entitycreate_activated), item);
-  gtk_widget_show(GTK_WIDGET(item));
-  menu_add_item(menu, item);
+    auto item = ui::MenuItem(name);
+    item.connect("activate", G_CALLBACK(entitycreate_activated), item);
+    item.show();
+    menu_add_item(menu, item);
 }
 
-class EntityClassMenuInserter : public EntityClassVisitor
-{
-  typedef std::pair<GtkMenu*, CopiedString> MenuPair;
-  typedef std::vector<MenuPair> MenuStack;
-  MenuStack m_stack;
-  CopiedString m_previous;
+class EntityClassMenuInserter : public EntityClassVisitor {
+    typedef std::pair<ui::Menu, CopiedString> MenuPair;
+    typedef std::vector<MenuPair> MenuStack;
+    MenuStack m_stack;
+    CopiedString m_previous;
 public:
-  EntityClassMenuInserter(GtkMenu* menu)
-  {
-    m_stack.reserve(2);
-    m_stack.push_back(MenuPair(menu, ""));
-  }
-  ~EntityClassMenuInserter()
-  {
-    if(!string_empty(m_previous.c_str()))
+    EntityClassMenuInserter(ui::Menu menu)
     {
-      addItem(m_previous.c_str(), "");
+        m_stack.reserve(2);
+        m_stack.push_back(MenuPair(menu, ""));
     }
-  }
-  void visit(EntityClass* e)
-  {
-    ASSERT_MESSAGE(!string_empty(e->name()), "entity-class has no name");
-    if(!string_empty(m_previous.c_str()))
+
+    ~EntityClassMenuInserter()
     {
-      addItem(m_previous.c_str(), e->name());
-    }
-    m_previous = e->name();
-  }
-  void pushMenu(const CopiedString& name)
-  {
-    GtkMenuItem* item = GTK_MENU_ITEM(gtk_menu_item_new_with_label(name.c_str()));
-    gtk_widget_show(GTK_WIDGET(item));
-    container_add_widget(GTK_CONTAINER(m_stack.back().first), GTK_WIDGET(item));
-
-    GtkMenu* submenu = GTK_MENU(gtk_menu_new());
-    gtk_menu_item_set_submenu(item, GTK_WIDGET(submenu));
-
-    m_stack.push_back(MenuPair(submenu, name));
-  }
-  void popMenu()
-  {
-    m_stack.pop_back();
-  }
-  void addItem(const char* name, const char* next)
-  {
-    const char* underscore = strchr(name, '_');
-
-    if(underscore != 0 && underscore != name)
+        if (!string_empty(m_previous.c_str())) {
+            addItem(m_previous.c_str(), "");
+        }
+    }
+
+    void visit(EntityClass *e)
     {
-      bool nextEqual = string_equal_n(name, next, (underscore + 1) - name);
-      const char* parent = m_stack.back().second.c_str();
-
-      if(!string_empty(parent)
-        && string_length(parent) == std::size_t(underscore - name)
-        && string_equal_n(name, parent, underscore - name)) // this is a child
-      {
-      }
-      else if(nextEqual)
-      {
-        if(m_stack.size() == 2)
-        {
-          popMenu();
+        ASSERT_MESSAGE(!string_empty(e->name()), "entity-class has no name");
+        if (!string_empty(m_previous.c_str())) {
+            addItem(m_previous.c_str(), e->name());
         }
-        pushMenu(CopiedString(StringRange(name, underscore)));
-      }
-      else if(m_stack.size() == 2)
-      {
-        popMenu();
-      }
-    }
-    else if(m_stack.size() == 2)
+        m_previous = e->name();
+    }
+
+    void pushMenu(const CopiedString &name)
     {
-      popMenu();
+        auto item = ui::MenuItem(name.c_str());
+        item.show();
+        m_stack.back().first.add(item);
+
+        auto submenu = ui::Menu(ui::New);
+        gtk_menu_item_set_submenu(item, submenu);
+
+        m_stack.push_back(MenuPair(submenu, name));
     }
 
-    EntityClassMenu_addItem(m_stack.back().first, name);
-  }
+    void popMenu()
+    {
+        m_stack.pop_back();
+    }
+
+    void addItem(const char *name, const char *next)
+    {
+        const char *underscore = strchr(name, '_');
+
+        if (underscore != 0 && underscore != name) {
+            bool nextEqual = string_equal_n(name, next, (underscore + 1) - name);
+            const char *parent = m_stack.back().second.c_str();
+
+            if (!string_empty(parent)
+                && string_length(parent) == std::size_t(underscore - name)
+                && string_equal_n(name, parent, underscore - name)) { // this is a child
+            } else if (nextEqual) {
+                if (m_stack.size() == 2) {
+                    popMenu();
+                }
+                pushMenu(CopiedString(StringRange(name, underscore)));
+            } else if (m_stack.size() == 2) {
+                popMenu();
+            }
+        } else if (m_stack.size() == 2) {
+            popMenu();
+        }
+
+        EntityClassMenu_addItem(m_stack.back().first, name);
+    }
 };
 
 void XYWnd::OnContextMenu()
 {
-  if (g_xywindow_globals.m_bRightClick == false)
-    return;
+    if (g_xywindow_globals.m_bRightClick == false) {
+        return;
+    }
 
-  if (m_mnuDrop == 0) // first time, load it up
-  {
-    GtkMenu* menu = m_mnuDrop = GTK_MENU(gtk_menu_new());
+    if (!m_mnuDrop) { // first time, load it up
+        auto menu = m_mnuDrop = ui::Menu(ui::New);
 
-    EntityClassMenuInserter inserter(menu);
-    GlobalEntityClassManager().forEach(inserter);
-  }
+        EntityClassMenuInserter inserter(menu);
+        GlobalEntityClassManager().forEach(inserter);
+    }
 
-  gtk_menu_popup(m_mnuDrop, 0, 0, 0, 0, 1, GDK_CURRENT_TIME);
+    gtk_menu_popup(m_mnuDrop, 0, 0, 0, 0, 1, GDK_CURRENT_TIME);
 }
 
 FreezePointer g_xywnd_freezePointer;
 
 unsigned int Move_buttons()
 {
-  return RAD_RBUTTON;
+    return RAD_RBUTTON;
 }
 
-void XYWnd_moveDelta(int x, int y, unsigned int state, voiddata)
+void XYWnd_moveDelta(int x, int y, unsigned int state, void *data)
 {
-  reinterpret_cast<XYWnd*>(data)->EntityCreate_MouseMove(x, y);
-  reinterpret_cast<XYWnd*>(data)->Scroll(-x, y);
+    reinterpret_cast<XYWnd *>( data )->EntityCreate_MouseMove(x, y);
+    reinterpret_cast<XYWnd *>( data )->Scroll(-x, y);
 }
 
-gboolean XYWnd_Move_focusOut(GtkWidget* widget, GdkEventFocus* event, XYWnd* xywnd)
+gboolean XYWnd_Move_focusOut(ui::Widget widget, GdkEventFocus *event, XYWnd *xywnd)
 {
-  xywnd->Move_End();
-  return FALSE;
+    xywnd->Move_End();
+    return FALSE;
 }
 
 void XYWnd::Move_Begin()
 {
-  if(m_move_started)
-  {
-    Move_End();
-  }
-  m_move_started = true;
-  g_xywnd_freezePointer.freeze_pointer(m_parent != 0 ? m_parent : MainFrame_getWindow(), XYWnd_moveDelta, this);
-  m_move_focusOut = g_signal_connect(G_OBJECT(m_gl_widget), "focus_out_event", G_CALLBACK(XYWnd_Move_focusOut), this);
+    if (m_move_started) {
+        Move_End();
+    }
+    m_move_started = true;
+    g_xywnd_freezePointer.freeze_pointer(m_parent ? m_parent : MainFrame_getWindow(), XYWnd_moveDelta, this);
+    m_move_focusOut = m_gl_widget.connect("focus_out_event", G_CALLBACK(XYWnd_Move_focusOut), this);
 }
 
 void XYWnd::Move_End()
 {
-  m_move_started = false;
-  g_xywnd_freezePointer.unfreeze_pointer(m_parent != 0 ? m_parent : MainFrame_getWindow());
-  g_signal_handler_disconnect(G_OBJECT(m_gl_widget), m_move_focusOut);
+    m_move_started = false;
+    g_xywnd_freezePointer.unfreeze_pointer(m_parent ? m_parent : MainFrame_getWindow());
+    g_signal_handler_disconnect(G_OBJECT(m_gl_widget), m_move_focusOut);
 }
 
 unsigned int Zoom_buttons()
 {
-  return RAD_RBUTTON | RAD_SHIFT;
+    return RAD_RBUTTON | RAD_SHIFT;
 }
 
 int g_dragZoom = 0;
 
-void XYWnd_zoomDelta(int x, int y, unsigned int state, voiddata)
+void XYWnd_zoomDelta(int x, int y, unsigned int state, void *data)
 {
-  if(y != 0)
-  {
-    g_dragZoom += y;
+    if (y != 0) {
+        g_dragZoom += y;
 
-    while(abs(g_dragZoom) > 8)
-    {
-      if(g_dragZoom > 0)
-      {
-        XYWnd_ZoomOut(reinterpret_cast<XYWnd*>(data));
-        g_dragZoom -= 8;
-      }
-      else
-      {
-        XYWnd_ZoomIn(reinterpret_cast<XYWnd*>(data));
-        g_dragZoom += 8;
-      }
+        while (abs(g_dragZoom) > 8) {
+            if (g_dragZoom > 0) {
+                XYWnd_ZoomOut(reinterpret_cast<XYWnd *>( data ));
+                g_dragZoom -= 8;
+            } else {
+                XYWnd_ZoomIn(reinterpret_cast<XYWnd *>( data ));
+                g_dragZoom += 8;
+            }
+        }
     }
-  }
 }
 
-gboolean XYWnd_Zoom_focusOut(GtkWidget* widget, GdkEventFocus* event, XYWnd* xywnd)
+gboolean XYWnd_Zoom_focusOut(ui::Widget widget, GdkEventFocus *event, XYWnd *xywnd)
 {
-  xywnd->Zoom_End();
-  return FALSE;
+    xywnd->Zoom_End();
+    return FALSE;
 }
 
 void XYWnd::Zoom_Begin()
 {
-  if(m_zoom_started)
-  {
-    Zoom_End();
-  }
-  m_zoom_started = true;
-  g_dragZoom = 0;
-  g_xywnd_freezePointer.freeze_pointer(m_parent != 0 ? m_parent : MainFrame_getWindow(), XYWnd_zoomDelta, this);
-  m_zoom_focusOut = g_signal_connect(G_OBJECT(m_gl_widget), "focus_out_event", G_CALLBACK(XYWnd_Zoom_focusOut), this);
+    if (m_zoom_started) {
+        Zoom_End();
+    }
+    m_zoom_started = true;
+    g_dragZoom = 0;
+    g_xywnd_freezePointer.freeze_pointer(m_parent ? m_parent : MainFrame_getWindow(), XYWnd_zoomDelta, this);
+    m_zoom_focusOut = m_gl_widget.connect("focus_out_event", G_CALLBACK(XYWnd_Zoom_focusOut), this);
 }
 
 void XYWnd::Zoom_End()
 {
-  m_zoom_started = false;
-  g_xywnd_freezePointer.unfreeze_pointer(m_parent != 0 ? m_parent : MainFrame_getWindow());
-  g_signal_handler_disconnect(G_OBJECT(m_gl_widget), m_zoom_focusOut);
+    m_zoom_started = false;
+    g_xywnd_freezePointer.unfreeze_pointer(m_parent ? m_parent : MainFrame_getWindow());
+    g_signal_handler_disconnect(G_OBJECT(m_gl_widget), m_zoom_focusOut);
 }
 
 // makes sure the selected brush or camera is in view
-void XYWnd::PositionView(const Vector3position)
+void XYWnd::PositionView(const Vector3 &position)
 {
-  int nDim1 = (m_viewType == YZ) ? 1 : 0;
-  int nDim2 = (m_viewType == XY) ? 1 : 2;
+    int nDim1 = (m_viewType == YZ) ? 1 : 0;
+    int nDim2 = (m_viewType == XY) ? 1 : 2;
 
-  m_vOrigin[nDim1] = position[nDim1];
-  m_vOrigin[nDim2] = position[nDim2];
+    m_vOrigin[nDim1] = position[nDim1];
+    m_vOrigin[nDim2] = position[nDim2];
 
-  updateModelview();
+    updateModelview();
 
-  XYWnd_Update(*this);
+    XYWnd_Update(*this);
 }
 
 void XYWnd::SetViewType(VIEWTYPE viewType)
 {
-  m_viewType = viewType;
-  updateModelview();
+    m_viewType = viewType;
+    updateModelview();
 
-  if(m_parent != 0)
-  {
-    gtk_window_set_title(m_parent, ViewType_getTitle(m_viewType));
-  }
+    if (m_parent) {
+        gtk_window_set_title(m_parent, ViewType_getTitle(m_viewType));
+    }
 }
 
 
 inline WindowVector WindowVector_forInteger(int x, int y)
 {
-  return WindowVector(static_cast<float>(x), static_cast<float>(y));
-}
-
-void XYWnd::mouseDown(const WindowVector& position, ButtonIdentifier button, ModifierFlags modifiers)
-{
-  XY_MouseDown(static_cast<int>(position.x()), static_cast<int>(position.y()), buttons_for_button_and_modifiers(button, modifiers));
-}
-void XYWnd::XY_MouseDown (int x, int y, unsigned int buttons)
-{
-  if(buttons == Move_buttons())
-  {
-    Move_Begin();
-    EntityCreate_MouseDown(x, y);
-  }
-  else if(buttons == Zoom_buttons())
-  {
-    Zoom_Begin();
-  }
-  else if(ClipMode() && buttons == Clipper_buttons())
-  {
-    Clipper_OnLButtonDown(x, y);
-  }
-  else if(buttons == NewBrushDrag_buttons() && GlobalSelectionSystem().countSelected() == 0)
-  {
-    NewBrushDrag_Begin(x, y);
-  }
-  // control mbutton = move camera
-  else if (buttons == MoveCamera_buttons())
-  {
-    XYWnd_PositionCamera(this, x, y, *g_pParentWnd->GetCamWnd());
-  }
-  // mbutton = angle camera
-  else if(buttons == OrientCamera_buttons())
-  {
-    XYWnd_OrientCamera(this, x, y, *g_pParentWnd->GetCamWnd());
-  }
-  else
-  {
-    m_window_observer->onMouseDown(WindowVector_forInteger(x, y), button_for_flags(buttons), modifiers_for_flags(buttons));
-  }
+    return WindowVector(static_cast<float>( x ), static_cast<float>( y ));
+}
+
+void XYWnd::mouseDown(const WindowVector &position, ButtonIdentifier button, ModifierFlags modifiers)
+{
+    XY_MouseDown(static_cast<int>( position.x()), static_cast<int>( position.y()),
+                 buttons_for_button_and_modifiers(button, modifiers));
+}
+
+void XYWnd::XY_MouseDown(int x, int y, unsigned int buttons)
+{
+    if (buttons == Move_buttons()) {
+        Move_Begin();
+        EntityCreate_MouseDown(x, y);
+    } else if (buttons == Zoom_buttons()) {
+        Zoom_Begin();
+    } else if (ClipMode() && buttons == Clipper_buttons()) {
+        Clipper_OnLButtonDown(x, y);
+    } else if (buttons == NewBrushDrag_buttons() && GlobalSelectionSystem().countSelected() == 0) {
+        NewBrushDrag_Begin(x, y);
+    }
+        // control mbutton = move camera
+    else if (buttons == MoveCamera_buttons()) {
+        XYWnd_PositionCamera(this, x, y, *g_pParentWnd->GetCamWnd());
+    }
+        // mbutton = angle camera
+    else if (buttons == OrientCamera_buttons()) {
+        XYWnd_OrientCamera(this, x, y, *g_pParentWnd->GetCamWnd());
+    } else {
+        m_window_observer->onMouseDown(WindowVector_forInteger(x, y), button_for_flags(buttons),
+                                       modifiers_for_flags(buttons));
+    }
 }
 
 void XYWnd::XY_MouseUp(int x, int y, unsigned int buttons)
 {
-  if(m_move_started)
-  {
-    Move_End();
-    EntityCreate_MouseUp(x, y);
-  }
-  else if(m_zoom_started)
-  {
-    Zoom_End();
-  }
-  else if (ClipMode() && buttons == Clipper_buttons())
-  {
-    Clipper_OnLButtonUp(x, y);
-  }
-  else if (m_bNewBrushDrag)
-  {
-    m_bNewBrushDrag = false;
-    NewBrushDrag_End(x, y);
-  }
-  else
-  {
-    m_window_observer->onMouseUp(WindowVector_forInteger(x, y), button_for_flags(buttons), modifiers_for_flags(buttons));
-  }
-}
-
-void XYWnd::XY_MouseMoved (int x, int y, unsigned int buttons)
-{
-  // rbutton = drag xy origin
-  if(m_move_started)
-  {
-  }
-  // zoom in/out
-  else if(m_zoom_started)
-  {
-  }
-
-  else if (ClipMode() && g_pMovingClip != 0)
-  {
-    Clipper_OnMouseMoved(x, y);
-  }
-  // lbutton without selection = drag new brush
-  else if (m_bNewBrushDrag)
-  {
-    NewBrushDrag(x, y);
-  }
-
-  // control mbutton = move camera
-  else if (getButtonState() == MoveCamera_buttons())
-  {
-    XYWnd_PositionCamera(this, x, y, *g_pParentWnd->GetCamWnd());
-  }
-
-  // mbutton = angle camera
-  else if (getButtonState() == OrientCamera_buttons())
-  {
-    XYWnd_OrientCamera(this, x, y, *g_pParentWnd->GetCamWnd());
-  }
-
-  else
-  {
-    m_window_observer->onMouseMotion(WindowVector_forInteger(x, y), modifiers_for_flags(buttons));
-
-    m_mousePosition[0] = m_mousePosition[1] = m_mousePosition[2] = 0.0;
-    XY_ToPoint(x, y , m_mousePosition);
-    XY_SnapToGrid(m_mousePosition);
-
-    StringOutputStream status(64);
-    status << "x:: " << FloatFormat(m_mousePosition[0], 6, 1)
-      << "  y:: " << FloatFormat(m_mousePosition[1], 6, 1)
-      << "  z:: " << FloatFormat(m_mousePosition[2], 6, 1);
-    g_pParentWnd->SetStatusText(g_pParentWnd->m_position_status, status.c_str());
-
-    if (g_bCrossHairs)
-    {
-      XYWnd_Update(*this);
+    if (m_move_started) {
+        Move_End();
+        EntityCreate_MouseUp(x, y);
+    } else if (m_zoom_started) {
+        Zoom_End();
+    } else if (ClipMode() && buttons == Clipper_buttons()) {
+        Clipper_OnLButtonUp(x, y);
+    } else if (m_bNewBrushDrag) {
+        m_bNewBrushDrag = false;
+        NewBrushDrag_End(x, y);
+    } else {
+        m_window_observer->onMouseUp(WindowVector_forInteger(x, y), button_for_flags(buttons),
+                                     modifiers_for_flags(buttons));
+    }
+}
+
+void XYWnd::XY_MouseMoved(int x, int y, unsigned int buttons)
+{
+    // rbutton = drag xy origin
+    if (m_move_started) {
+    }
+        // zoom in/out
+    else if (m_zoom_started) {
+    } else if (ClipMode() && g_pMovingClip != 0) {
+        Clipper_OnMouseMoved(x, y);
+    }
+        // lbutton without selection = drag new brush
+    else if (m_bNewBrushDrag) {
+        NewBrushDrag(x, y);
+    }
+
+        // control mbutton = move camera
+    else if (getButtonState() == MoveCamera_buttons()) {
+        XYWnd_PositionCamera(this, x, y, *g_pParentWnd->GetCamWnd());
     }
 
-    Clipper_Crosshair_OnMouseMoved(x, y);
-  }
+        // mbutton = angle camera
+    else if (getButtonState() == OrientCamera_buttons()) {
+        XYWnd_OrientCamera(this, x, y, *g_pParentWnd->GetCamWnd());
+    } else {
+        m_window_observer->onMouseMotion(WindowVector_forInteger(x, y), modifiers_for_flags(buttons));
+
+        m_mousePosition[0] = m_mousePosition[1] = m_mousePosition[2] = 0.0;
+        XY_ToPoint(x, y, m_mousePosition);
+        XY_SnapToGrid(m_mousePosition);
+
+        StringOutputStream status(64);
+        status << "x:: " << FloatFormat(m_mousePosition[0], 6, 1)
+               << "  y:: " << FloatFormat(m_mousePosition[1], 6, 1)
+               << "  z:: " << FloatFormat(m_mousePosition[2], 6, 1);
+        g_pParentWnd->SetStatusText(g_pParentWnd->m_position_status, status.c_str());
+
+        if (g_bCrossHairs) {
+            XYWnd_Update(*this);
+        }
+
+        Clipper_Crosshair_OnMouseMoved(x, y);
+    }
 }
 
 void XYWnd::EntityCreate_MouseDown(int x, int y)
 {
-  m_entityCreate = true;
-  m_entityCreate_x = x;
-  m_entityCreate_y = y;
+    m_entityCreate = true;
+    m_entityCreate_x = x;
+    m_entityCreate_y = y;
 }
 
 void XYWnd::EntityCreate_MouseMove(int x, int y)
 {
-  if(m_entityCreate && (m_entityCreate_x != x || m_entityCreate_y != y))
-  {
-    m_entityCreate = false;
-  }
+    if (m_entityCreate && (m_entityCreate_x != x || m_entityCreate_y != y)) {
+        m_entityCreate = false;
+    }
 }
 
 void XYWnd::EntityCreate_MouseUp(int x, int y)
 {
-  if(m_entityCreate)
-  {
-    m_entityCreate = false;
-    OnContextMenu();
-  }
+    if (m_entityCreate) {
+        m_entityCreate = false;
+        OnContextMenu();
+    }
 }
 
 inline float screen_normalised(int pos, unsigned int size)
 {
-  return ((2.0f * pos) / size) - 1.0f;
+    return ((2.0f * pos) / size) - 1.0f;
 }
 
 inline float normalised_to_world(float normalised, float world_origin, float normalised2world_scale)
 {
-  return world_origin + normalised * normalised2world_scale;
+    return world_origin + normalised * normalised2world_scale;
 }
 
 
 // TTimo: watch it, this doesn't init one of the 3 coords
-void XYWnd::XY_ToPoint (int x, int y, Vector3& point)
-{
-  float normalised2world_scale_x = m_nWidth / 2 / m_fScale;
-  float normalised2world_scale_y = m_nHeight / 2 / m_fScale;
-  if (m_viewType == XY)
-  {
-    point[0] = normalised_to_world(screen_normalised(x, m_nWidth), m_vOrigin[0], normalised2world_scale_x);
-    point[1] = normalised_to_world(-screen_normalised(y, m_nHeight), m_vOrigin[1], normalised2world_scale_y);
-  }
-  else if (m_viewType == YZ)
-  {
-    point[1] = normalised_to_world(screen_normalised(x, m_nWidth), m_vOrigin[1], normalised2world_scale_x);
-    point[2] = normalised_to_world(-screen_normalised(y, m_nHeight), m_vOrigin[2], normalised2world_scale_y);
-  }
-  else
-  {
-    point[0] = normalised_to_world(screen_normalised(x, m_nWidth), m_vOrigin[0], normalised2world_scale_x);
-    point[2] = normalised_to_world(-screen_normalised(y, m_nHeight), m_vOrigin[2], normalised2world_scale_y);
-  }
-}
-
-void XYWnd::XY_SnapToGrid(Vector3& point)
-{
-  if (m_viewType == XY)
-  {
-    point[0] = float_snapped(point[0], GetGridSize());
-    point[1] = float_snapped(point[1], GetGridSize());
-  }
-  else if (m_viewType == YZ)
-  {
-    point[1] = float_snapped(point[1], GetGridSize());
-    point[2] = float_snapped(point[2], GetGridSize());
-  }
-  else
-  {
-    point[0] = float_snapped(point[0], GetGridSize());
-    point[2] = float_snapped(point[2], GetGridSize());
-  }
+void XYWnd::XY_ToPoint(int x, int y, Vector3 &point)
+{
+    float normalised2world_scale_x = m_nWidth / 2 / m_fScale;
+    float normalised2world_scale_y = m_nHeight / 2 / m_fScale;
+    if (m_viewType == XY) {
+        point[0] = normalised_to_world(screen_normalised(x, m_nWidth), m_vOrigin[0], normalised2world_scale_x);
+        point[1] = normalised_to_world(-screen_normalised(y, m_nHeight), m_vOrigin[1], normalised2world_scale_y);
+    } else if (m_viewType == YZ) {
+        point[1] = normalised_to_world(screen_normalised(x, m_nWidth), m_vOrigin[1], normalised2world_scale_x);
+        point[2] = normalised_to_world(-screen_normalised(y, m_nHeight), m_vOrigin[2], normalised2world_scale_y);
+    } else {
+        point[0] = normalised_to_world(screen_normalised(x, m_nWidth), m_vOrigin[0], normalised2world_scale_x);
+        point[2] = normalised_to_world(-screen_normalised(y, m_nHeight), m_vOrigin[2], normalised2world_scale_y);
+    }
+}
+
+void XYWnd::XY_SnapToGrid(Vector3 &point)
+{
+    if (m_viewType == XY) {
+        point[0] = float_snapped(point[0], GetSnapGridSize());
+        point[1] = float_snapped(point[1], GetSnapGridSize());
+    } else if (m_viewType == YZ) {
+        point[1] = float_snapped(point[1], GetSnapGridSize());
+        point[2] = float_snapped(point[2], GetSnapGridSize());
+    } else {
+        point[0] = float_snapped(point[0], GetSnapGridSize());
+        point[2] = float_snapped(point[2], GetSnapGridSize());
+    }
 }
 
 void XYWnd::XY_LoadBackgroundImage(const char *name)
 {
-       const char* relative = path_make_relative(name, GlobalFileSystem().findRoot(name));
-       if (relative == name)
-               globalOutputStream() << "WARNING: could not extract the relative path, using full path instead\n";
+    const char *relative = path_make_relative(name, GlobalFileSystem().findRoot(name));
+    if (relative == name) {
+        globalOutputStream() << "WARNING: could not extract the relative path, using full path instead\n";
+    }
 
-       char fileNameWithoutExt[512];
-       strncpy(fileNameWithoutExt, relative, sizeof(fileNameWithoutExt) - 1);
-       fileNameWithoutExt[512 - 1] = '\0';
-       fileNameWithoutExt[strlen(fileNameWithoutExt) - 4] = '\0';
+    char fileNameWithoutExt[512];
+    strncpy(fileNameWithoutExt, relative, sizeof(fileNameWithoutExt) - 1);
+    fileNameWithoutExt[512 - 1] = '\0';
+    fileNameWithoutExt[strlen(fileNameWithoutExt) - 4] = '\0';
 
-       Image *image = QERApp_LoadImage(0, fileNameWithoutExt);
-       if (!image) {
-               globalOutputStream() << "Could not load texture " << fileNameWithoutExt << "\n";
-               return;
-       }
-       g_pParentWnd->ActiveXY()->m_tex = (qtexture_t*)malloc(sizeof(qtexture_t));
-       LoadTextureRGBA(g_pParentWnd->ActiveXY()->XYWnd::m_tex, image->getRGBAPixels(), image->getWidth(), image->getHeight());
-       globalOutputStream() << "Loaded background texture " << relative << "\n";
-       g_pParentWnd->ActiveXY()->m_backgroundActivated = true;
-
-       int m_ix, m_iy;
-       switch(g_pParentWnd->ActiveXY()->m_viewType)
-       {
-               case XY:
-                       m_ix = 0;
-                       m_iy = 1;
-                       break;
-               case XZ:
-                       m_ix = 0;
-                       m_iy = 2;
-                       break;
-               case YZ:
-                       m_ix = 1;
-                       m_iy = 2;
-                       break;
-       }
+    Image *image = QERApp_LoadImage(0, fileNameWithoutExt);
+    if (!image) {
+        globalOutputStream() << "Could not load texture " << fileNameWithoutExt << "\n";
+        return;
+    }
+    g_pParentWnd->ActiveXY()->m_tex = (qtexture_t *) malloc(sizeof(qtexture_t));
+    LoadTextureRGBA(g_pParentWnd->ActiveXY()->XYWnd::m_tex, image->getRGBAPixels(), image->getWidth(),
+                    image->getHeight());
+    globalOutputStream() << "Loaded background texture " << relative << "\n";
+    g_pParentWnd->ActiveXY()->m_backgroundActivated = true;
+
+    int m_ix, m_iy;
+    switch (g_pParentWnd->ActiveXY()->m_viewType) {
+        case XY:
+            m_ix = 0;
+            m_iy = 1;
+            break;
+        case XZ:
+            m_ix = 0;
+            m_iy = 2;
+            break;
+        case YZ:
+            m_ix = 1;
+            m_iy = 2;
+            break;
+        default:
+            assert(false);
+    }
 
-       Vector3 min, max;
-       Select_GetBounds(min, max);
-       g_pParentWnd->ActiveXY()->m_xmin = min[m_ix];
-       g_pParentWnd->ActiveXY()->m_ymin = min[m_iy];
-       g_pParentWnd->ActiveXY()->m_xmax = max[m_ix];
-       g_pParentWnd->ActiveXY()->m_ymax = max[m_iy];
+    Vector3 min, max;
+    Select_GetBounds(min, max);
+    g_pParentWnd->ActiveXY()->m_xmin = min[m_ix];
+    g_pParentWnd->ActiveXY()->m_ymin = min[m_iy];
+    g_pParentWnd->ActiveXY()->m_xmax = max[m_ix];
+    g_pParentWnd->ActiveXY()->m_ymax = max[m_iy];
 }
 
-void XYWnd::XY_DisableBackground (void)
+void XYWnd::XY_DisableBackground(void)
 {
-       g_pParentWnd->ActiveXY()->m_backgroundActivated = false;
-       if (g_pParentWnd->ActiveXY()->m_tex)
-               free(g_pParentWnd->ActiveXY()->m_tex);
-       g_pParentWnd->ActiveXY()->m_tex = NULL;
+    g_pParentWnd->ActiveXY()->m_backgroundActivated = false;
+    if (g_pParentWnd->ActiveXY()->m_tex) {
+        free(g_pParentWnd->ActiveXY()->m_tex);
+    }
+    g_pParentWnd->ActiveXY()->m_tex = NULL;
 }
 
 void WXY_BackgroundSelect(void)
 {
-       bool brushesSelected = Scene_countSelectedBrushes(GlobalSceneGraph()) != 0;
-       if (!brushesSelected) {
-               gtk_MessageBox(0, "You have to select some brushes to get the bounding box for.\n",
-                                       "No selection", eMB_OK, eMB_ICONERROR);
-               return;
-       }
+    bool brushesSelected = Scene_countSelectedBrushes(GlobalSceneGraph()) != 0;
+    if (!brushesSelected) {
+        ui::alert(ui::root, "You have to select some brushes to get the bounding box for.\n",
+                  "No selection", ui::alert_type::OK, ui::alert_icon::Error);
+        return;
+    }
 
-       const char *filename = file_dialog(GTK_WIDGET(MainFrame_getWindow()), TRUE, "Background Image", NULL, NULL);
-       g_pParentWnd->ActiveXY()->XY_DisableBackground();
-       if (filename)
-               g_pParentWnd->ActiveXY()->XY_LoadBackgroundImage(filename);
+    const char *filename = MainFrame_getWindow().file_dialog(TRUE, "Background Image", NULL, NULL);
+    g_pParentWnd->ActiveXY()->XY_DisableBackground();
+    if (filename) {
+        g_pParentWnd->ActiveXY()->XY_LoadBackgroundImage(filename);
+    }
 }
 
 /*
-============================================================================
+   ============================================================================
 
-DRAWING
+   DRAWING
 
-============================================================================
-*/
+   ============================================================================
+ */
 
 /*
-==============
-XY_DrawGrid
-==============
-*/
+   ==============
+   XY_DrawGrid
+   ==============
+ */
 
 double two_to_the_power(int power)
 {
-  return pow(2.0f, power);
+    return pow(2.0f, power);
 }
 
 void XYWnd::XY_DrawAxis(void)
 {
-       if ( g_xywindow_globals_private.show_axis) {
-               const char g_AxisName[3] = { 'X', 'Y', 'Z' };
-               const int nDim1 = (m_viewType == YZ) ? 1 : 0;
-               const int nDim2 = (m_viewType == XY) ? 1 : 2;
-               const int w = (m_nWidth / 2 / m_fScale);
-               const int h = (m_nHeight / 2 / m_fScale);
-
-               const Vector3& colourX = (m_viewType == YZ) ? g_xywindow_globals.AxisColorY : g_xywindow_globals.AxisColorX;
-               const Vector3& colourY = (m_viewType == XY) ? g_xywindow_globals.AxisColorY : g_xywindow_globals.AxisColorZ;
-
-               // draw two lines with corresponding axis colors to highlight current view
-               // horizontal line: nDim1 color
-               glLineWidth(2);
-               glBegin( GL_LINES );
-               glColor3fv (vector3_to_array(colourX));
-               glVertex2f( m_vOrigin[nDim1] - w + 40 / m_fScale, m_vOrigin[nDim2] + h - 45 / m_fScale );
-               glVertex2f( m_vOrigin[nDim1] - w + 65 / m_fScale, m_vOrigin[nDim2] + h - 45 / m_fScale );
-               glVertex2f( 0, 0 );
-               glVertex2f( 32 / m_fScale, 0 );
-               glColor3fv (vector3_to_array(colourY));
-               glVertex2f( m_vOrigin[nDim1] - w + 40 / m_fScale, m_vOrigin[nDim2] + h - 45 / m_fScale );
-               glVertex2f( m_vOrigin[nDim1] - w + 40 / m_fScale, m_vOrigin[nDim2] + h - 20 / m_fScale );
-               glVertex2f( 0, 0 );
-               glVertex2f( 0, 32 / m_fScale );
-               glEnd();
-               glLineWidth(1);
-               // now print axis symbols
-               glColor3fv (vector3_to_array(colourX));
-               glRasterPos2f ( m_vOrigin[nDim1] - w + 55 / m_fScale, m_vOrigin[nDim2] + h - 55 / m_fScale );
-               GlobalOpenGL().drawChar(g_AxisName[nDim1]);
-               glRasterPos2f (28 / m_fScale, -10 / m_fScale );
-               GlobalOpenGL().drawChar(g_AxisName[nDim1]);
-               glColor3fv (vector3_to_array(colourY));
-               glRasterPos2f ( m_vOrigin[nDim1] - w + 25 / m_fScale, m_vOrigin[nDim2] + h - 30 / m_fScale );
-               GlobalOpenGL().drawChar(g_AxisName[nDim2]);
-               glRasterPos2f ( -10 / m_fScale, 28 / m_fScale );
-               GlobalOpenGL().drawChar(g_AxisName[nDim2]);
-       }
+    if (g_xywindow_globals_private.show_axis) {
+        const char g_AxisName[3] = {'X', 'Y', 'Z'};
+        const int nDim1 = (m_viewType == YZ) ? 1 : 0;
+        const int nDim2 = (m_viewType == XY) ? 1 : 2;
+        const int w = (m_nWidth / 2 / m_fScale);
+        const int h = (m_nHeight / 2 / m_fScale);
+
+        const Vector3 &colourX = (m_viewType == YZ) ? g_xywindow_globals.AxisColorY : g_xywindow_globals.AxisColorX;
+        const Vector3 &colourY = (m_viewType == XY) ? g_xywindow_globals.AxisColorY : g_xywindow_globals.AxisColorZ;
+
+        // draw two lines with corresponding axis colors to highlight current view
+        // horizontal line: nDim1 color
+        glLineWidth(2);
+        glBegin(GL_LINES);
+        glColor3fv(vector3_to_array(colourX));
+        glVertex2f(m_vOrigin[nDim1] - w + 40 / m_fScale, m_vOrigin[nDim2] + h - 45 / m_fScale);
+        glVertex2f(m_vOrigin[nDim1] - w + 65 / m_fScale, m_vOrigin[nDim2] + h - 45 / m_fScale);
+        glVertex2f(0, 0);
+        glVertex2f(32 / m_fScale, 0);
+        glColor3fv(vector3_to_array(colourY));
+        glVertex2f(m_vOrigin[nDim1] - w + 40 / m_fScale, m_vOrigin[nDim2] + h - 45 / m_fScale);
+        glVertex2f(m_vOrigin[nDim1] - w + 40 / m_fScale, m_vOrigin[nDim2] + h - 20 / m_fScale);
+        glVertex2f(0, 0);
+        glVertex2f(0, 32 / m_fScale);
+        glEnd();
+        glLineWidth(1);
+        // now print axis symbols
+        glColor3fv(vector3_to_array(colourX));
+        glRasterPos2f(m_vOrigin[nDim1] - w + 55 / m_fScale, m_vOrigin[nDim2] + h - 55 / m_fScale);
+        GlobalOpenGL().drawChar(g_AxisName[nDim1]);
+        glRasterPos2f(28 / m_fScale, -10 / m_fScale);
+        GlobalOpenGL().drawChar(g_AxisName[nDim1]);
+        glColor3fv(vector3_to_array(colourY));
+        glRasterPos2f(m_vOrigin[nDim1] - w + 25 / m_fScale, m_vOrigin[nDim2] + h - 30 / m_fScale);
+        GlobalOpenGL().drawChar(g_AxisName[nDim2]);
+        glRasterPos2f(-10 / m_fScale, 28 / m_fScale);
+        GlobalOpenGL().drawChar(g_AxisName[nDim2]);
+    }
 }
 
 void XYWnd::XY_DrawBackground(void)
 {
-       glPushAttrib(GL_ALL_ATTRIB_BITS);
+    glPushAttrib(GL_ALL_ATTRIB_BITS);
 
-       glEnable(GL_TEXTURE_2D);
-       glEnable(GL_BLEND);
-       glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
-       glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
-       glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP);
-       glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP);
+    glEnable(GL_TEXTURE_2D);
+    glEnable(GL_BLEND);
+    glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
+    glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
+    glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP);
+    glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP);
 
-       glPolygonMode(GL_FRONT, GL_FILL);
+    glPolygonMode(GL_FRONT, GL_FILL);
 
-       glBindTexture(GL_TEXTURE_2D, m_tex->texture_number);
-       glBegin(GL_QUADS);
+    glBindTexture(GL_TEXTURE_2D, m_tex->texture_number);
+    glBegin(GL_QUADS);
 
-       glColor4f(1.0, 1.0, 1.0, m_alpha);
-       glTexCoord2f(0.0, 1.0);
-       glVertex2f(m_xmin, m_ymin);
+    glColor4f(1.0, 1.0, 1.0, m_alpha);
+    glTexCoord2f(0.0, 1.0);
+    glVertex2f(m_xmin, m_ymin);
 
-       glTexCoord2f(1.0, 1.0);
-       glVertex2f(m_xmax, m_ymin);
+    glTexCoord2f(1.0, 1.0);
+    glVertex2f(m_xmax, m_ymin);
 
-       glTexCoord2f(1.0, 0.0);
-       glVertex2f(m_xmax, m_ymax);
+    glTexCoord2f(1.0, 0.0);
+    glVertex2f(m_xmax, m_ymax);
 
-       glTexCoord2f(0.0, 0.0);
-       glVertex2f(m_xmin, m_ymax);
+    glTexCoord2f(0.0, 0.0);
+    glVertex2f(m_xmin, m_ymax);
 
-       glEnd();
-       glBindTexture(GL_TEXTURE_2D, 0);
+    glEnd();
+    glBindTexture(GL_TEXTURE_2D, 0);
 
-       glPopAttrib();
+    glPopAttrib();
 }
 
-void XYWnd::XY_DrawGrid(void) {
-       float   x, y, xb, xe, yb, ye;
-       float           w, h;
-       char    text[32];
-       float step, minor_step, stepx, stepy;
-       step = minor_step = stepx = stepy = GetGridSize();
+void XYWnd::XY_DrawGrid(void)
+{
+    float x, y, xb, xe, yb, ye;
+    float w, h, a;
+    char text[32];
+    float step, minor_step, stepx, stepy;
+    step = minor_step = stepx = stepy = GetGridSize();
 
-       int minor_power = Grid_getPower();
-       int mask;
+    int minor_power = Grid_getPower();
+    int mask;
 
-       while ((minor_step * m_fScale) <= 4.0f) { // make sure minor grid spacing is at least 4 pixels on the screen
-               ++minor_power;
-               minor_step *= 2;
-       }
-       int power = minor_power;
-       while ((power % 3) != 0 || (step * m_fScale) <= 32.0f) { // make sure major grid spacing is at least 32 pixels on the screen
-               ++power;
-               step = float(two_to_the_power(power));
-       }
-       mask = (1 << (power - minor_power)) - 1;
-       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;
-
-
-       glDisable(GL_TEXTURE_2D);
-       glDisable(GL_TEXTURE_1D);
-       glDisable(GL_DEPTH_TEST);
-       glDisable(GL_BLEND);
-       glLineWidth(1);
-
-       w = (m_nWidth / 2 / m_fScale);
-       h = (m_nHeight / 2 / m_fScale);
-
-       const int nDim1 = (m_viewType == YZ) ? 1 : 0;
-       const int nDim2 = (m_viewType == 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) \
-  ((a)[0] != (b)[0] || \
-   (a)[1] != (b)[1] || \
-   (a)[2] != (b)[2])
-
-       // djbob
-       // draw minor blocks
-       if (g_xywindow_globals_private.d_showgrid) {
-               if (COLORS_DIFFER(g_xywindow_globals.color_gridminor, g_xywindow_globals.color_gridback)) {
-                       glColor3fv(vector3_to_array(g_xywindow_globals.color_gridminor));
-
-                       glBegin (GL_LINES);
-                       int i = 0;
-                       for (x = xb ; x < xe ; x += minor_step, ++i) {
-                               if ((i & mask) != 0) {
-                                       glVertex2f (x, yb);
-                                       glVertex2f (x, ye);
-                               }
-                       }
-                       i = 0;
-                       for (y = yb ; y < ye ; y += minor_step, ++i) {
-                               if ((i & mask) != 0) {
-                                       glVertex2f (xb, y);
-                                       glVertex2f (xe, y);
-                               }
-                       }
-                       glEnd();
-               }
+    while ((minor_step * m_fScale) <= 4.0f) { // make sure minor grid spacing is at least 4 pixels on the screen
+        ++minor_power;
+        minor_step *= 2;
+    }
+    int power = minor_power;
+    while ((power % 3) != 0 ||
+           (step * m_fScale) <= 32.0f) { // make sure major grid spacing is at least 32 pixels on the screen
+        ++power;
+        step = float(two_to_the_power(power));
+    }
+    mask = (1 << (power - minor_power)) - 1;
+    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;
+    }
 
-               // draw major blocks
-               if (COLORS_DIFFER(g_xywindow_globals.color_gridmajor, g_xywindow_globals.color_gridback)) {
-                       glColor3fv(vector3_to_array(g_xywindow_globals.color_gridmajor));
+    a = ((GetSnapGridSize() > 0.0f) ? 1.0f : 0.3f);
 
-                       glBegin (GL_LINES);
-                       for (x = xb ; x <= xe ; x += step) {
-                               glVertex2f (x, yb);
-                               glVertex2f (x, ye);
-                       }
-                       for (y = yb ; y <= ye ; y += step) {
-                               glVertex2f (xb, y);
-                               glVertex2f (xe, y);
-                       }
-                       glEnd();
-               }
-       }
+    glDisable(GL_TEXTURE_2D);
+    glDisable(GL_TEXTURE_1D);
+    glDisable(GL_DEPTH_TEST);
+    glDisable(GL_BLEND);
+    glLineWidth(1);
 
-       // draw coordinate text if needed
-       if ( g_xywindow_globals_private.show_coordinates) {
-               glColor3fv(vector3_to_array(g_xywindow_globals.color_gridtext));
-               float offx = m_vOrigin[nDim2] + h - 6 / m_fScale, offy = m_vOrigin[nDim1] - w + 1 / m_fScale;
-               for (x = xb - fmod(xb, stepx); x <= xe ; x += stepx) {
-                       glRasterPos2f (x, offx);
-                       sprintf (text, "%g", x);
-                       GlobalOpenGL().drawString(text);
-               }
-               for (y = yb - fmod(yb, stepy); y <= ye ; y += stepy) {
-                       glRasterPos2f (offy, y);
-                       sprintf (text, "%g", y);
-                       GlobalOpenGL().drawString(text);
-               }
+    w = (m_nWidth / 2 / m_fScale);
+    h = (m_nHeight / 2 / m_fScale);
 
-               if (Active())
-                       glColor3fv(vector3_to_array(g_xywindow_globals.color_viewname));
+    const int nDim1 = (m_viewType == YZ) ? 1 : 0;
+    const int nDim2 = (m_viewType == XY) ? 1 : 2;
 
-               // we do this part (the old way) only if show_axis is disabled
-               if (!g_xywindow_globals_private.show_axis) {
-                       glRasterPos2f ( m_vOrigin[nDim1] - w + 35 / m_fScale, m_vOrigin[nDim2] + h - 20 / m_fScale );
+    xb = m_vOrigin[nDim1] - w;
+    if (xb < region_mins[nDim1]) {
+        xb = region_mins[nDim1];
+    }
+    xb = step * floor(xb / step);
 
-                       GlobalOpenGL().drawString(ViewType_getTitle(m_viewType));
-               }
-       }
+    xe = m_vOrigin[nDim1] + w;
+    if (xe > region_maxs[nDim1]) {
+        xe = region_maxs[nDim1];
+    }
+    xe = step * ceil(xe / step);
 
-       XYWnd::XY_DrawAxis();
-
-       // show current work zone?
-       // the work zone is used to place dropped points and brushes
-       if (g_xywindow_globals_private.d_show_work) {
-               glColor3f( 1.0f, 0.0f, 0.0f );
-               glBegin( GL_LINES );
-               glVertex2f( xb, Select_getWorkZone().d_work_min[nDim2] );
-               glVertex2f( xe, Select_getWorkZone().d_work_min[nDim2] );
-               glVertex2f( xb, Select_getWorkZone().d_work_max[nDim2] );
-               glVertex2f( xe, Select_getWorkZone().d_work_max[nDim2] );
-               glVertex2f( Select_getWorkZone().d_work_min[nDim1], yb );
-               glVertex2f( Select_getWorkZone().d_work_min[nDim1], ye );
-               glVertex2f( Select_getWorkZone().d_work_max[nDim1], yb );
-               glVertex2f( Select_getWorkZone().d_work_max[nDim1], ye );
-               glEnd();
-       }
+    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) \
+    ( ( a )[0] != ( b )[0] || \
+      ( a )[1] != ( b )[1] || \
+      ( a )[2] != ( b )[2] )
+
+    // djbob
+    // draw minor blocks
+    if (g_xywindow_globals_private.d_showgrid || a < 1.0f) {
+        if (a < 1.0f) {
+            glEnable(GL_BLEND);
+        }
+
+        if (COLORS_DIFFER(g_xywindow_globals.color_gridminor, g_xywindow_globals.color_gridback)) {
+            glColor4fv(vector4_to_array(Vector4(g_xywindow_globals.color_gridminor, a)));
+
+            glBegin(GL_LINES);
+            int i = 0;
+            for (x = xb; x < xe; x += minor_step, ++i) {
+                if ((i & mask) != 0) {
+                    glVertex2f(x, yb);
+                    glVertex2f(x, ye);
+                }
+            }
+            i = 0;
+            for (y = yb; y < ye; y += minor_step, ++i) {
+                if ((i & mask) != 0) {
+                    glVertex2f(xb, y);
+                    glVertex2f(xe, y);
+                }
+            }
+            glEnd();
+        }
+
+        // draw major blocks
+        if (COLORS_DIFFER(g_xywindow_globals.color_gridmajor, g_xywindow_globals.color_gridminor)) {
+            glColor4fv(vector4_to_array(Vector4(g_xywindow_globals.color_gridmajor, a)));
+
+            glBegin(GL_LINES);
+            for (x = xb; x <= xe; x += step) {
+                glVertex2f(x, yb);
+                glVertex2f(x, ye);
+            }
+            for (y = yb; y <= ye; y += step) {
+                glVertex2f(xb, y);
+                glVertex2f(xe, y);
+            }
+            glEnd();
+        }
+
+        if (a < 1.0f) {
+            glDisable(GL_BLEND);
+        }
+    }
+
+    // draw coordinate text if needed
+    if (g_xywindow_globals_private.show_coordinates) {
+        glColor4fv(vector4_to_array(Vector4(g_xywindow_globals.color_gridtext, 1.0f)));
+        float offx = m_vOrigin[nDim2] + h - (4 + GlobalOpenGL().m_font->getPixelAscent()) / m_fScale;
+        float offy = m_vOrigin[nDim1] - w + 4 / m_fScale;
+        for (x = xb - fmod(xb, stepx); x <= xe; x += stepx) {
+            glRasterPos2f(x, offx);
+            sprintf(text, "%g", x);
+            GlobalOpenGL().drawString(text);
+        }
+        for (y = yb - fmod(yb, stepy); y <= ye; y += stepy) {
+            glRasterPos2f(offy, y);
+            sprintf(text, "%g", y);
+            GlobalOpenGL().drawString(text);
+        }
+
+        if (Active()) {
+            glColor3fv(vector3_to_array(g_xywindow_globals.color_viewname));
+        }
+
+        // we do this part (the old way) only if show_axis is disabled
+        if (!g_xywindow_globals_private.show_axis) {
+            glRasterPos2f(m_vOrigin[nDim1] - w + 35 / m_fScale, m_vOrigin[nDim2] + h - 20 / m_fScale);
+
+            GlobalOpenGL().drawString(ViewType_getTitle(m_viewType));
+        }
+    }
+
+    XYWnd::XY_DrawAxis();
+
+    // show current work zone?
+    // the work zone is used to place dropped points and brushes
+    if (g_xywindow_globals_private.d_show_work) {
+        glColor4f(1.0f, 0.0f, 0.0f, 1.0f);
+        glBegin(GL_LINES);
+        glVertex2f(xb, Select_getWorkZone().d_work_min[nDim2]);
+        glVertex2f(xe, Select_getWorkZone().d_work_min[nDim2]);
+        glVertex2f(xb, Select_getWorkZone().d_work_max[nDim2]);
+        glVertex2f(xe, Select_getWorkZone().d_work_max[nDim2]);
+        glVertex2f(Select_getWorkZone().d_work_min[nDim1], yb);
+        glVertex2f(Select_getWorkZone().d_work_min[nDim1], ye);
+        glVertex2f(Select_getWorkZone().d_work_max[nDim1], yb);
+        glVertex2f(Select_getWorkZone().d_work_max[nDim1], ye);
+        glEnd();
+    }
 }
 
 /*
-==============
-XY_DrawBlockGrid
-==============
-*/
+   ==============
+   XY_DrawBlockGrid
+   ==============
+ */
 void XYWnd::XY_DrawBlockGrid()
 {
-  if(Map_FindWorldspawn(g_map) == 0)
-  {
-    return;
-  }
-  const char *value = Node_getEntity(*Map_GetWorldspawn(g_map))->getKeyValue("_blocksize" );
-  if (strlen(value))
-       sscanf( value, "%i", &g_xywindow_globals_private.blockSize );
-
-  if (!g_xywindow_globals_private.blockSize || g_xywindow_globals_private.blockSize > 65536 || g_xywindow_globals_private.blockSize < 1024)
-         // don't use custom blocksize if it is less than the default, or greater than the maximum world coordinate
-       g_xywindow_globals_private.blockSize = 1024;
-
-  float        x, y, xb, xe, yb, ye;
-  float                w, h;
-  char text[32];
-
-  glDisable(GL_TEXTURE_2D);
-  glDisable(GL_TEXTURE_1D);
-  glDisable(GL_DEPTH_TEST);
-  glDisable(GL_BLEND);
-
-  w = (m_nWidth / 2 / m_fScale);
-  h = (m_nHeight / 2 / m_fScale);
-
-  int nDim1 = (m_viewType == YZ) ? 1 : 0;
-  int nDim2 = (m_viewType == XY) ? 1 : 2;
-
-  xb = m_vOrigin[nDim1] - w;
-  if (xb < region_mins[nDim1])
-    xb = region_mins[nDim1];
-  xb = static_cast<float>(g_xywindow_globals_private.blockSize * floor (xb/g_xywindow_globals_private.blockSize));
-
-  xe = m_vOrigin[nDim1] + w;
-  if (xe > region_maxs[nDim1])
-    xe = region_maxs[nDim1];
-  xe = static_cast<float>(g_xywindow_globals_private.blockSize * ceil (xe/g_xywindow_globals_private.blockSize));
-
-  yb = m_vOrigin[nDim2] - h;
-  if (yb < region_mins[nDim2])
-    yb = region_mins[nDim2];
-  yb = static_cast<float>(g_xywindow_globals_private.blockSize * floor (yb/g_xywindow_globals_private.blockSize));
-
-  ye = m_vOrigin[nDim2] + h;
-  if (ye > region_maxs[nDim2])
-    ye = region_maxs[nDim2];
-  ye = static_cast<float>(g_xywindow_globals_private.blockSize * ceil (ye/g_xywindow_globals_private.blockSize));
-
-  // draw major blocks
-
-  glColor3fv(vector3_to_array(g_xywindow_globals.color_gridblock));
-  glLineWidth (2);
-
-  glBegin (GL_LINES);
-
-  for (x=xb ; x<=xe ; x+=g_xywindow_globals_private.blockSize)
-  {
-    glVertex2f (x, yb);
-    glVertex2f (x, ye);
-  }
-
-  if (m_viewType == XY)
-  {
-       for (y=yb ; y<=ye ; y+=g_xywindow_globals_private.blockSize)
-       {
-         glVertex2f (xb, y);
-         glVertex2f (xe, y);
-       }
-  }
+    if (Map_FindWorldspawn(g_map) == 0) {
+        return;
+    }
+    const char *value = Node_getEntity(*Map_GetWorldspawn(g_map))->getKeyValue("_blocksize");
+    if (strlen(value)) {
+        sscanf(value, "%i", &g_xywindow_globals_private.blockSize);
+    }
 
-  glEnd();
-  glLineWidth (1);
+    if (!g_xywindow_globals_private.blockSize || g_xywindow_globals_private.blockSize > 65536 ||
+        g_xywindow_globals_private.blockSize < 1024) {
+        // don't use custom blocksize if it is less than the default, or greater than the maximum world coordinate
+        g_xywindow_globals_private.blockSize = 1024;
+    }
 
-  // draw coordinate text if needed
+    float x, y, xb, xe, yb, ye;
+    float w, h;
+    char text[32];
 
-  if (m_viewType == XY && m_fScale > .1)
-  {
-       for (x=xb ; x<xe ; x+=g_xywindow_globals_private.blockSize)
-               for (y=yb ; y<ye ; y+=g_xywindow_globals_private.blockSize)
-               {
-                 glRasterPos2f (x+(g_xywindow_globals_private.blockSize/2), y+(g_xywindow_globals_private.blockSize/2));
-                       sprintf (text, "%i,%i",(int)floor(x/g_xywindow_globals_private.blockSize), (int)floor(y/g_xywindow_globals_private.blockSize) );
-                       GlobalOpenGL().drawString(text);
-               }
-  }
+    glDisable(GL_TEXTURE_2D);
+    glDisable(GL_TEXTURE_1D);
+    glDisable(GL_DEPTH_TEST);
+    glDisable(GL_BLEND);
+
+    w = (m_nWidth / 2 / m_fScale);
+    h = (m_nHeight / 2 / m_fScale);
 
-  glColor4f(0, 0, 0, 0);
+    int nDim1 = (m_viewType == YZ) ? 1 : 0;
+    int nDim2 = (m_viewType == XY) ? 1 : 2;
+
+    xb = m_vOrigin[nDim1] - w;
+    if (xb < region_mins[nDim1]) {
+        xb = region_mins[nDim1];
+    }
+    xb = static_cast<float>( g_xywindow_globals_private.blockSize * floor(xb / g_xywindow_globals_private.blockSize));
+
+    xe = m_vOrigin[nDim1] + w;
+    if (xe > region_maxs[nDim1]) {
+        xe = region_maxs[nDim1];
+    }
+    xe = static_cast<float>( g_xywindow_globals_private.blockSize * ceil(xe / g_xywindow_globals_private.blockSize));
+
+    yb = m_vOrigin[nDim2] - h;
+    if (yb < region_mins[nDim2]) {
+        yb = region_mins[nDim2];
+    }
+    yb = static_cast<float>( g_xywindow_globals_private.blockSize * floor(yb / g_xywindow_globals_private.blockSize));
+
+    ye = m_vOrigin[nDim2] + h;
+    if (ye > region_maxs[nDim2]) {
+        ye = region_maxs[nDim2];
+    }
+    ye = static_cast<float>( g_xywindow_globals_private.blockSize * ceil(ye / g_xywindow_globals_private.blockSize));
+
+    // draw major blocks
+
+    glColor3fv(vector3_to_array(g_xywindow_globals.color_gridblock));
+    glLineWidth(2);
+
+    glBegin(GL_LINES);
+
+    for (x = xb; x <= xe; x += g_xywindow_globals_private.blockSize) {
+        glVertex2f(x, yb);
+        glVertex2f(x, ye);
+    }
+
+    if (m_viewType == XY) {
+        for (y = yb; y <= ye; y += g_xywindow_globals_private.blockSize) {
+            glVertex2f(xb, y);
+            glVertex2f(xe, y);
+        }
+    }
+
+    glEnd();
+    glLineWidth(1);
+
+    // draw coordinate text if needed
+
+    if (m_viewType == XY && m_fScale > .1) {
+        for (x = xb; x < xe; x += g_xywindow_globals_private.blockSize) {
+            for (y = yb; y < ye; y += g_xywindow_globals_private.blockSize) {
+                glRasterPos2f(x + (g_xywindow_globals_private.blockSize / 2),
+                              y + (g_xywindow_globals_private.blockSize / 2));
+                sprintf(text, "%i,%i", (int) floor(x / g_xywindow_globals_private.blockSize),
+                        (int) floor(y / g_xywindow_globals_private.blockSize));
+                GlobalOpenGL().drawString(text);
+            }
+        }
+    }
+
+    glColor4f(0, 0, 0, 0);
 }
 
-void XYWnd::DrawCameraIcon(const Vector3& origin, const Vector3& angles)
+void XYWnd::DrawCameraIcon(const Vector3 &origin, const Vector3 &angles)
 {
-  float        x, y, fov, box;
-  double a;
+    float x, y, fov, box;
+    double a;
 
-  fov = 48 / m_fScale;
-  box = 16 / m_fScale;
+    fov = 48 / m_fScale;
+    box = 16 / m_fScale;
 
-  if (m_viewType == XY)
-  {
-    x = origin[0];
-    y = origin[1];
-    a = degrees_to_radians(angles[CAMERA_YAW]);
-  }
-  else if (m_viewType == YZ)
-  {
-    x = origin[1];
-    y = origin[2];
-    a = degrees_to_radians(angles[CAMERA_PITCH]);
-  }
-  else
-  {
-    x = origin[0];
-    y = origin[2];
-    a = degrees_to_radians(angles[CAMERA_PITCH]);
-  }
+    if (m_viewType == XY) {
+        x = origin[0];
+        y = origin[1];
+        a = degrees_to_radians(angles[CAMERA_YAW]);
+    } else if (m_viewType == YZ) {
+        x = origin[1];
+        y = origin[2];
+        a = degrees_to_radians(angles[CAMERA_PITCH]);
+    } else {
+        x = origin[0];
+        y = origin[2];
+        a = degrees_to_radians(angles[CAMERA_PITCH]);
+    }
 
-  glColor3f (0.0, 0.0, 1.0);
-  glBegin(GL_LINE_STRIP);
-  glVertex3f (x-box,y,0);
-  glVertex3f (x,y+(box/2),0);
-  glVertex3f (x+box,y,0);
-  glVertex3f (x,y-(box/2),0);
-  glVertex3f (x-box,y,0);
-  glVertex3f (x+box,y,0);
-  glEnd();
+    glColor3f(0.0, 0.0, 1.0);
+    glBegin(GL_LINE_STRIP);
+    glVertex3f(x - box, y, 0);
+    glVertex3f(x, y + (box / 2), 0);
+    glVertex3f(x + box, y, 0);
+    glVertex3f(x, y - (box / 2), 0);
+    glVertex3f(x - box, y, 0);
+    glVertex3f(x + box, y, 0);
+    glEnd();
 
-  glBegin(GL_LINE_STRIP);
-  glVertex3f (x + static_cast<float>(fov*cos(a+c_pi/4)), y + static_cast<float>(fov*sin(a+c_pi/4)), 0);
-  glVertex3f (x, y, 0);
-  glVertex3f (x + static_cast<float>(fov*cos(a-c_pi/4)), y + static_cast<float>(fov*sin(a-c_pi/4)), 0);
-  glEnd();
+    glBegin(GL_LINE_STRIP);
+    glVertex3f(x + static_cast<float>( fov * cos(a + c_pi / 4)), y + static_cast<float>( fov * sin(a + c_pi / 4)), 0);
+    glVertex3f(x, y, 0);
+    glVertex3f(x + static_cast<float>( fov * cos(a - c_pi / 4)), y + static_cast<float>( fov * sin(a - c_pi / 4)), 0);
+    glEnd();
 
 }
 
 
 float Betwixt(float f1, float f2)
 {
-  if (f1 > f2)
-    return f2 + ((f1 - f2) / 2);
-  else
-    return f1 + ((f2 - f1) / 2);
+    if (f1 > f2) {
+        return f2 + ((f1 - f2) / 2);
+    } else {
+        return f1 + ((f2 - f1) / 2);
+    }
 }
 
 
 // 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, Vector3& vMinBounds, Vector3& vMaxBounds)
+void XYWnd::PaintSizeInfo(int nDim1, int nDim2, Vector3 &vMinBounds, Vector3 &vMaxBounds)
 {
-  if(vector3_equal(vMinBounds, vMaxBounds))
-  {
-    return;
-  }
-  const char* g_pDimStrings[] = {"x:", "y:", "z:"};
-  typedef const char* OrgStrings[2];
-  const OrgStrings g_pOrgStrings[] = { { "x:", "y:", }, { "x:", "z:", }, { "y:", "z:", } };
+    if (vector3_equal(vMinBounds, vMaxBounds)) {
+        return;
+    }
+    const char *g_pDimStrings[] = {"x:", "y:", "z:"};
+    typedef const char *OrgStrings[2];
+    const OrgStrings g_pOrgStrings[] = {{"x:", "y:",},
+                                        {"x:", "z:",},
+                                        {"y:", "z:",}};
 
-  Vector3 vSize(vector3_subtracted(vMaxBounds, vMinBounds));
+    Vector3 vSize(vector3_subtracted(vMaxBounds, vMinBounds));
 
-  glColor3f(g_xywindow_globals.color_selbrushes[0] * .65f,
-            g_xywindow_globals.color_selbrushes[1] * .65f,
-            g_xywindow_globals.color_selbrushes[2] * .65f);
+    glColor3f(g_xywindow_globals.color_selbrushes[0] * .65f,
+              g_xywindow_globals.color_selbrushes[1] * .65f,
+              g_xywindow_globals.color_selbrushes[2] * .65f);
 
-  StringOutputStream dimensions(16);
+    StringOutputStream dimensions(16);
 
-  if (m_viewType == XY)
-  {
-    glBegin (GL_LINES);
+    if (m_viewType == XY) {
+        glBegin(GL_LINES);
 
-    glVertex3f(vMinBounds[nDim1], vMinBounds[nDim2] - 6.0f  / m_fScale, 0.0f);
-    glVertex3f(vMinBounds[nDim1], vMinBounds[nDim2] - 10.0f / m_fScale, 0.0f);
+        glVertex3f(vMinBounds[nDim1], vMinBounds[nDim2] - 6.0f / m_fScale, 0.0f);
+        glVertex3f(vMinBounds[nDim1], vMinBounds[nDim2] - 10.0f / m_fScale, 0.0f);
 
-    glVertex3f(vMinBounds[nDim1], vMinBounds[nDim2] - 10.0f  / m_fScale, 0.0f);
-    glVertex3f(vMaxBounds[nDim1], vMinBounds[nDim2] - 10.0f  / m_fScale, 0.0f);
+        glVertex3f(vMinBounds[nDim1], vMinBounds[nDim2] - 10.0f / m_fScale, 0.0f);
+        glVertex3f(vMaxBounds[nDim1], vMinBounds[nDim2] - 10.0f / m_fScale, 0.0f);
 
-    glVertex3f(vMaxBounds[nDim1], vMinBounds[nDim2] - 6.0f  / m_fScale, 0.0f);
-    glVertex3f(vMaxBounds[nDim1], vMinBounds[nDim2] - 10.0f / m_fScale, 0.0f);
+        glVertex3f(vMaxBounds[nDim1], vMinBounds[nDim2] - 6.0f / m_fScale, 0.0f);
+        glVertex3f(vMaxBounds[nDim1], vMinBounds[nDim2] - 10.0f / m_fScale, 0.0f);
 
 
-    glVertex3f(vMaxBounds[nDim1] + 6.0f  / m_fScale, vMinBounds[nDim2], 0.0f);
-    glVertex3f(vMaxBounds[nDim1] + 10.0f  / m_fScale, vMinBounds[nDim2], 0.0f);
+        glVertex3f(vMaxBounds[nDim1] + 6.0f / m_fScale, vMinBounds[nDim2], 0.0f);
+        glVertex3f(vMaxBounds[nDim1] + 10.0f / m_fScale, vMinBounds[nDim2], 0.0f);
 
-    glVertex3f(vMaxBounds[nDim1] + 10.0f  / m_fScale, vMinBounds[nDim2], 0.0f);
-    glVertex3f(vMaxBounds[nDim1] + 10.0f  / m_fScale, vMaxBounds[nDim2], 0.0f);
+        glVertex3f(vMaxBounds[nDim1] + 10.0f / m_fScale, vMinBounds[nDim2], 0.0f);
+        glVertex3f(vMaxBounds[nDim1] + 10.0f / m_fScale, vMaxBounds[nDim2], 0.0f);
 
-    glVertex3f(vMaxBounds[nDim1] + 6.0f  / m_fScale, vMaxBounds[nDim2], 0.0f);
-    glVertex3f(vMaxBounds[nDim1] + 10.0f  / m_fScale, vMaxBounds[nDim2], 0.0f);
+        glVertex3f(vMaxBounds[nDim1] + 6.0f / m_fScale, vMaxBounds[nDim2], 0.0f);
+        glVertex3f(vMaxBounds[nDim1] + 10.0f / m_fScale, vMaxBounds[nDim2], 0.0f);
 
-    glEnd();
+        glEnd();
 
-    glRasterPos3f (Betwixt(vMinBounds[nDim1], vMaxBounds[nDim1]),  vMinBounds[nDim2] - 20.0f  / m_fScale, 0.0f);
-    dimensions << g_pDimStrings[nDim1] << vSize[nDim1];
-    GlobalOpenGL().drawString(dimensions.c_str());
-    dimensions.clear();
+        glRasterPos3f(Betwixt(vMinBounds[nDim1], vMaxBounds[nDim1]), vMinBounds[nDim2] - 20.0f / m_fScale, 0.0f);
+        dimensions << g_pDimStrings[nDim1] << vSize[nDim1];
+        GlobalOpenGL().drawString(dimensions.c_str());
+        dimensions.clear();
 
-    glRasterPos3f (vMaxBounds[nDim1] + 16.0f  / m_fScale, Betwixt(vMinBounds[nDim2], vMaxBounds[nDim2]), 0.0f);
-    dimensions << g_pDimStrings[nDim2] << vSize[nDim2];
-    GlobalOpenGL().drawString(dimensions.c_str());
-    dimensions.clear();
+        glRasterPos3f(vMaxBounds[nDim1] + 16.0f / m_fScale, Betwixt(vMinBounds[nDim2], vMaxBounds[nDim2]), 0.0f);
+        dimensions << g_pDimStrings[nDim2] << vSize[nDim2];
+        GlobalOpenGL().drawString(dimensions.c_str());
+        dimensions.clear();
 
-    glRasterPos3f (vMinBounds[nDim1] + 4, vMaxBounds[nDim2] + 8 / m_fScale, 0.0f);
-    dimensions << "(" << g_pOrgStrings[0][0] << vMinBounds[nDim1] << "  " << g_pOrgStrings[0][1] << vMaxBounds[nDim2] << ")";
-    GlobalOpenGL().drawString(dimensions.c_str());
-  }
-  else if (m_viewType == XZ)
-  {
-    glBegin (GL_LINES);
+        glRasterPos3f(vMinBounds[nDim1] + 4, vMaxBounds[nDim2] + 8 / m_fScale, 0.0f);
+        dimensions << "(" << g_pOrgStrings[0][0] << vMinBounds[nDim1] << "  " << g_pOrgStrings[0][1]
+                   << vMaxBounds[nDim2] << ")";
+        GlobalOpenGL().drawString(dimensions.c_str());
+    } else if (m_viewType == XZ) {
+        glBegin(GL_LINES);
 
-    glVertex3f(vMinBounds[nDim1], 0, vMinBounds[nDim2] - 6.0f  / m_fScale);
-    glVertex3f(vMinBounds[nDim1], 0, vMinBounds[nDim2] - 10.0f / m_fScale);
+        glVertex3f(vMinBounds[nDim1], 0, vMinBounds[nDim2] - 6.0f / m_fScale);
+        glVertex3f(vMinBounds[nDim1], 0, vMinBounds[nDim2] - 10.0f / m_fScale);
 
-    glVertex3f(vMinBounds[nDim1], 0,vMinBounds[nDim2] - 10.0f  / m_fScale);
-    glVertex3f(vMaxBounds[nDim1], 0,vMinBounds[nDim2] - 10.0f  / m_fScale);
+        glVertex3f(vMinBounds[nDim1], 0, vMinBounds[nDim2] - 10.0f / m_fScale);
+        glVertex3f(vMaxBounds[nDim1], 0, vMinBounds[nDim2] - 10.0f / m_fScale);
 
-    glVertex3f(vMaxBounds[nDim1], 0,vMinBounds[nDim2] - 6.0f  / m_fScale);
-    glVertex3f(vMaxBounds[nDim1], 0,vMinBounds[nDim2] - 10.0f / m_fScale);
+        glVertex3f(vMaxBounds[nDim1], 0, vMinBounds[nDim2] - 6.0f / m_fScale);
+        glVertex3f(vMaxBounds[nDim1], 0, vMinBounds[nDim2] - 10.0f / m_fScale);
 
 
-    glVertex3f(vMaxBounds[nDim1] + 6.0f  / m_fScale, 0,vMinBounds[nDim2]);
-    glVertex3f(vMaxBounds[nDim1] + 10.0f  / m_fScale, 0,vMinBounds[nDim2]);
+        glVertex3f(vMaxBounds[nDim1] + 6.0f / m_fScale, 0, vMinBounds[nDim2]);
+        glVertex3f(vMaxBounds[nDim1] + 10.0f / m_fScale, 0, vMinBounds[nDim2]);
 
-    glVertex3f(vMaxBounds[nDim1] + 10.0f  / m_fScale, 0,vMinBounds[nDim2]);
-    glVertex3f(vMaxBounds[nDim1] + 10.0f  / m_fScale, 0,vMaxBounds[nDim2]);
+        glVertex3f(vMaxBounds[nDim1] + 10.0f / m_fScale, 0, vMinBounds[nDim2]);
+        glVertex3f(vMaxBounds[nDim1] + 10.0f / m_fScale, 0, vMaxBounds[nDim2]);
 
-    glVertex3f(vMaxBounds[nDim1] + 6.0f  / m_fScale, 0,vMaxBounds[nDim2]);
-    glVertex3f(vMaxBounds[nDim1] + 10.0f  / m_fScale, 0,vMaxBounds[nDim2]);
+        glVertex3f(vMaxBounds[nDim1] + 6.0f / m_fScale, 0, vMaxBounds[nDim2]);
+        glVertex3f(vMaxBounds[nDim1] + 10.0f / m_fScale, 0, vMaxBounds[nDim2]);
 
-    glEnd();
+        glEnd();
 
-    glRasterPos3f (Betwixt(vMinBounds[nDim1], vMaxBounds[nDim1]), 0, vMinBounds[nDim2] - 20.0f  / m_fScale);
-    dimensions << g_pDimStrings[nDim1] << vSize[nDim1];
-    GlobalOpenGL().drawString(dimensions.c_str());
-    dimensions.clear();
+        glRasterPos3f(Betwixt(vMinBounds[nDim1], vMaxBounds[nDim1]), 0, vMinBounds[nDim2] - 20.0f / m_fScale);
+        dimensions << g_pDimStrings[nDim1] << vSize[nDim1];
+        GlobalOpenGL().drawString(dimensions.c_str());
+        dimensions.clear();
 
-    glRasterPos3f (vMaxBounds[nDim1] + 16.0f  / m_fScale, 0, Betwixt(vMinBounds[nDim2], vMaxBounds[nDim2]));
-    dimensions << g_pDimStrings[nDim2] << vSize[nDim2];
-    GlobalOpenGL().drawString(dimensions.c_str());
-    dimensions.clear();
+        glRasterPos3f(vMaxBounds[nDim1] + 16.0f / m_fScale, 0, Betwixt(vMinBounds[nDim2], vMaxBounds[nDim2]));
+        dimensions << g_pDimStrings[nDim2] << vSize[nDim2];
+        GlobalOpenGL().drawString(dimensions.c_str());
+        dimensions.clear();
 
-    glRasterPos3f (vMinBounds[nDim1] + 4, 0, vMaxBounds[nDim2] + 8 / m_fScale);
-    dimensions << "(" << g_pOrgStrings[1][0] << vMinBounds[nDim1] << "  " << g_pOrgStrings[1][1] << vMaxBounds[nDim2] << ")";
-    GlobalOpenGL().drawString(dimensions.c_str());
-  }
-  else
-  {
-    glBegin (GL_LINES);
+        glRasterPos3f(vMinBounds[nDim1] + 4, 0, vMaxBounds[nDim2] + 8 / m_fScale);
+        dimensions << "(" << g_pOrgStrings[1][0] << vMinBounds[nDim1] << "  " << g_pOrgStrings[1][1]
+                   << vMaxBounds[nDim2] << ")";
+        GlobalOpenGL().drawString(dimensions.c_str());
+    } else {
+        glBegin(GL_LINES);
 
-    glVertex3f(0, vMinBounds[nDim1], vMinBounds[nDim2] - 6.0f  / m_fScale);
-    glVertex3f(0, vMinBounds[nDim1], vMinBounds[nDim2] - 10.0f / m_fScale);
+        glVertex3f(0, vMinBounds[nDim1], vMinBounds[nDim2] - 6.0f / m_fScale);
+        glVertex3f(0, vMinBounds[nDim1], vMinBounds[nDim2] - 10.0f / m_fScale);
 
-    glVertex3f(0, vMinBounds[nDim1], vMinBounds[nDim2] - 10.0f  / m_fScale);
-    glVertex3f(0, vMaxBounds[nDim1], vMinBounds[nDim2] - 10.0f  / m_fScale);
+        glVertex3f(0, vMinBounds[nDim1], vMinBounds[nDim2] - 10.0f / m_fScale);
+        glVertex3f(0, vMaxBounds[nDim1], vMinBounds[nDim2] - 10.0f / m_fScale);
 
-    glVertex3f(0, vMaxBounds[nDim1], vMinBounds[nDim2] - 6.0f  / m_fScale);
-    glVertex3f(0, vMaxBounds[nDim1], vMinBounds[nDim2] - 10.0f / m_fScale);
+        glVertex3f(0, vMaxBounds[nDim1], vMinBounds[nDim2] - 6.0f / m_fScale);
+        glVertex3f(0, vMaxBounds[nDim1], vMinBounds[nDim2] - 10.0f / m_fScale);
 
 
-    glVertex3f(0, vMaxBounds[nDim1] + 6.0f  / m_fScale, vMinBounds[nDim2]);
-    glVertex3f(0, vMaxBounds[nDim1] + 10.0f  / m_fScale, vMinBounds[nDim2]);
+        glVertex3f(0, vMaxBounds[nDim1] + 6.0f / m_fScale, vMinBounds[nDim2]);
+        glVertex3f(0, vMaxBounds[nDim1] + 10.0f / m_fScale, vMinBounds[nDim2]);
 
-    glVertex3f(0, vMaxBounds[nDim1] + 10.0f  / m_fScale, vMinBounds[nDim2]);
-    glVertex3f(0, vMaxBounds[nDim1] + 10.0f  / m_fScale, vMaxBounds[nDim2]);
+        glVertex3f(0, vMaxBounds[nDim1] + 10.0f / m_fScale, vMinBounds[nDim2]);
+        glVertex3f(0, vMaxBounds[nDim1] + 10.0f / m_fScale, vMaxBounds[nDim2]);
 
-    glVertex3f(0, vMaxBounds[nDim1] + 6.0f  / m_fScale, vMaxBounds[nDim2]);
-    glVertex3f(0, vMaxBounds[nDim1] + 10.0f  / m_fScale, vMaxBounds[nDim2]);
+        glVertex3f(0, vMaxBounds[nDim1] + 6.0f / m_fScale, vMaxBounds[nDim2]);
+        glVertex3f(0, vMaxBounds[nDim1] + 10.0f / m_fScale, vMaxBounds[nDim2]);
 
-    glEnd();
+        glEnd();
 
-    glRasterPos3f (0, Betwixt(vMinBounds[nDim1], vMaxBounds[nDim1]),  vMinBounds[nDim2] - 20.0f  / m_fScale);
-    dimensions << g_pDimStrings[nDim1] << vSize[nDim1];
-    GlobalOpenGL().drawString(dimensions.c_str());
-    dimensions.clear();
+        glRasterPos3f(0, Betwixt(vMinBounds[nDim1], vMaxBounds[nDim1]), vMinBounds[nDim2] - 20.0f / m_fScale);
+        dimensions << g_pDimStrings[nDim1] << vSize[nDim1];
+        GlobalOpenGL().drawString(dimensions.c_str());
+        dimensions.clear();
 
-    glRasterPos3f (0, vMaxBounds[nDim1] + 16.0f  / m_fScale, Betwixt(vMinBounds[nDim2], vMaxBounds[nDim2]));
-    dimensions << g_pDimStrings[nDim2] << vSize[nDim2];
-    GlobalOpenGL().drawString(dimensions.c_str());
-    dimensions.clear();
+        glRasterPos3f(0, vMaxBounds[nDim1] + 16.0f / m_fScale, Betwixt(vMinBounds[nDim2], vMaxBounds[nDim2]));
+        dimensions << g_pDimStrings[nDim2] << vSize[nDim2];
+        GlobalOpenGL().drawString(dimensions.c_str());
+        dimensions.clear();
 
-    glRasterPos3f (0, vMinBounds[nDim1] + 4.0f, vMaxBounds[nDim2] + 8 / m_fScale);
-    dimensions << "(" << g_pOrgStrings[2][0] << vMinBounds[nDim1] << "  " << g_pOrgStrings[2][1] << vMaxBounds[nDim2] << ")";
-    GlobalOpenGL().drawString(dimensions.c_str());
-  }
+        glRasterPos3f(0, vMinBounds[nDim1] + 4.0f, vMaxBounds[nDim2] + 8 / m_fScale);
+        dimensions << "(" << g_pOrgStrings[2][0] << vMinBounds[nDim1] << "  " << g_pOrgStrings[2][1]
+                   << vMaxBounds[nDim2] << ")";
+        GlobalOpenGL().drawString(dimensions.c_str());
+    }
 }
 
-class XYRenderer: public Renderer
-{
-  struct state_type
-  {
-    state_type() :
-    m_highlight(0),
-    m_state(0)
+class XYRenderer : public Renderer {
+    struct state_type {
+        state_type() :
+                m_highlight(0),
+                m_state(0)
+        {
+        }
+
+        unsigned int m_highlight;
+        Shader *m_state;
+    };
+
+public:
+    XYRenderer(RenderStateFlags globalstate, Shader *selected) :
+            m_globalstate(globalstate),
+            m_state_selected(selected)
     {
+        ASSERT_NOTNULL(selected);
+        m_state_stack.push_back(state_type());
     }
-    unsigned int m_highlight;
-    Shader* m_state;
-  };
-public:
-  XYRenderer(RenderStateFlags globalstate, Shader* selected) :
-    m_globalstate(globalstate),
-    m_state_selected(selected)
-  {
-    ASSERT_NOTNULL(selected);
-    m_state_stack.push_back(state_type());
-  }
-
-  void SetState(Shader* state, EStyle style)
-  {
-    ASSERT_NOTNULL(state);
-    if(style == eWireframeOnly)
-      m_state_stack.back().m_state = state;
-  }
-  const EStyle getStyle() const
-  {
-    return eWireframeOnly;
-  }
-  void PushState()
-  {
-    m_state_stack.push_back(m_state_stack.back());
-  }
-  void PopState()
-  {
-    ASSERT_MESSAGE(!m_state_stack.empty(), "popping empty stack");
-    m_state_stack.pop_back();
-  }
-  void Highlight(EHighlightMode mode, bool bEnable = true)
-  {
-    (bEnable)
-      ? m_state_stack.back().m_highlight |= mode
-      : m_state_stack.back().m_highlight &= ~mode;
-  }
-  void addRenderable(const OpenGLRenderable& renderable, const Matrix4& localToWorld)
-  {
-    if(m_state_stack.back().m_highlight & ePrimitive)
+
+    void SetState(Shader *state, EStyle style)
+    {
+        ASSERT_NOTNULL(state);
+        if (style == eWireframeOnly) {
+            m_state_stack.back().m_state = state;
+        }
+    }
+
+    EStyle getStyle() const
     {
-      m_state_selected->addRenderable(renderable, localToWorld);
+        return eWireframeOnly;
     }
-    else
+
+    void PushState()
+    {
+        m_state_stack.push_back(m_state_stack.back());
+    }
+
+    void PopState()
+    {
+        ASSERT_MESSAGE(!m_state_stack.empty(), "popping empty stack");
+        m_state_stack.pop_back();
+    }
+
+    void Highlight(EHighlightMode mode, bool bEnable = true)
+    {
+        (bEnable)
+        ? m_state_stack.back().m_highlight |= mode
+        : m_state_stack.back().m_highlight &= ~mode;
+    }
+
+    void addRenderable(const OpenGLRenderable &renderable, const Matrix4 &localToWorld)
+    {
+        if (m_state_stack.back().m_highlight & ePrimitive) {
+            m_state_selected->addRenderable(renderable, localToWorld);
+        } else {
+            m_state_stack.back().m_state->addRenderable(renderable, localToWorld);
+        }
+    }
+
+    void render(const Matrix4 &modelview, const Matrix4 &projection)
     {
-      m_state_stack.back().m_state->addRenderable(renderable, localToWorld);
+        GlobalShaderCache().render(m_globalstate, modelview, projection);
     }
-  }
 
-  void render(const Matrix4& modelview, const Matrix4& projection)
-  {
-    GlobalShaderCache().render(m_globalstate, modelview, projection);
-  }
 private:
-  std::vector<state_type> m_state_stack;
-  RenderStateFlags m_globalstate;
-  Shader* m_state_selected;
+    std::vector<state_type> m_state_stack;
+    RenderStateFlags m_globalstate;
+    Shader *m_state_selected;
 };
 
 void XYWnd::updateProjection()
 {
-  m_projection[0] = 1.0f / static_cast<float>(m_nWidth / 2);
-  m_projection[5] = 1.0f / static_cast<float>(m_nHeight / 2);
-  m_projection[10] = 1.0f / (g_MaxWorldCoord * m_fScale);
+    m_projection[0] = 1.0f / static_cast<float>( m_nWidth / 2 );
+    m_projection[5] = 1.0f / static_cast<float>( m_nHeight / 2 );
+    m_projection[10] = 1.0f / (g_MaxWorldCoord * m_fScale);
 
-  m_projection[12] = 0.0f;
-  m_projection[13] = 0.0f;
-  m_projection[14] = -1.0f;
+    m_projection[12] = 0.0f;
+    m_projection[13] = 0.0f;
+    m_projection[14] = -1.0f;
 
-  m_projection[1] =
-  m_projection[2] =
-  m_projection[3] =
+    m_projection[1] =
+    m_projection[2] =
+    m_projection[3] =
 
-  m_projection[4] =
-  m_projection[6] =
-  m_projection[7] =
+    m_projection[4] =
+    m_projection[6] =
+    m_projection[7] =
 
-  m_projection[8] =
-  m_projection[9] =
-  m_projection[11] = 0.0f;
+    m_projection[8] =
+    m_projection[9] =
+    m_projection[11] = 0.0f;
 
-  m_projection[15] = 1.0f;
+    m_projection[15] = 1.0f;
 
-  m_view.Construct(m_projection, m_modelview, m_nWidth, m_nHeight);
+    m_view.Construct(m_projection, m_modelview, m_nWidth, m_nHeight);
 }
 
 // note: modelview matrix must have a uniform scale, otherwise strange things happen when rendering the rotation manipulator.
 void XYWnd::updateModelview()
 {
-  int nDim1 = (m_viewType == YZ) ? 1 : 0;
-  int nDim2 = (m_viewType == XY) ? 1 : 2;
-
-  // translation
-  m_modelview[12] = -m_vOrigin[nDim1] * m_fScale;
-  m_modelview[13] = -m_vOrigin[nDim2] * m_fScale;
-  m_modelview[14] = g_MaxWorldCoord * m_fScale;
-
-  // axis base
-  switch(m_viewType)
-  {
-  case XY:
-    m_modelview[0]  =  m_fScale;
-    m_modelview[1]  =  0;
-    m_modelview[2]  =  0;
-
-    m_modelview[4]  =  0;
-    m_modelview[5]  =  m_fScale;
-    m_modelview[6]  =  0;
-
-    m_modelview[8]  =  0;
-    m_modelview[9]  =  0;
-    m_modelview[10] = -m_fScale;
-    break;
-  case XZ:
-    m_modelview[0]  =  m_fScale;
-    m_modelview[1]  =  0;
-    m_modelview[2]  =  0;
-
-    m_modelview[4]  =  0;
-    m_modelview[5]  =  0;
-    m_modelview[6]  =  m_fScale;
-
-    m_modelview[8]  =  0;
-    m_modelview[9]  =  m_fScale;
-    m_modelview[10] =  0;
-    break;
-  case YZ:
-    m_modelview[0]  =  0;
-    m_modelview[1]  =  0;
-    m_modelview[2]  = -m_fScale;
-
-    m_modelview[4]  =  m_fScale;
-    m_modelview[5]  =  0;
-    m_modelview[6]  =  0;
-
-    m_modelview[8]  =  0;
-    m_modelview[9]  =  m_fScale;
-    m_modelview[10] =  0;
-    break;
-  }
-
-  m_modelview[3] = m_modelview[7] = m_modelview[11] = 0;
-  m_modelview[15] = 1;
-
-  m_view.Construct(m_projection, m_modelview, m_nWidth, m_nHeight);
+    int nDim1 = (m_viewType == YZ) ? 1 : 0;
+    int nDim2 = (m_viewType == XY) ? 1 : 2;
+
+    // translation
+    m_modelview[12] = -m_vOrigin[nDim1] * m_fScale;
+    m_modelview[13] = -m_vOrigin[nDim2] * m_fScale;
+    m_modelview[14] = g_MaxWorldCoord * m_fScale;
+
+    // axis base
+    switch (m_viewType) {
+        case XY:
+            m_modelview[0] = m_fScale;
+            m_modelview[1] = 0;
+            m_modelview[2] = 0;
+
+            m_modelview[4] = 0;
+            m_modelview[5] = m_fScale;
+            m_modelview[6] = 0;
+
+            m_modelview[8] = 0;
+            m_modelview[9] = 0;
+            m_modelview[10] = -m_fScale;
+            break;
+        case XZ:
+            m_modelview[0] = m_fScale;
+            m_modelview[1] = 0;
+            m_modelview[2] = 0;
+
+            m_modelview[4] = 0;
+            m_modelview[5] = 0;
+            m_modelview[6] = m_fScale;
+
+            m_modelview[8] = 0;
+            m_modelview[9] = m_fScale;
+            m_modelview[10] = 0;
+            break;
+        case YZ:
+            m_modelview[0] = 0;
+            m_modelview[1] = 0;
+            m_modelview[2] = -m_fScale;
+
+            m_modelview[4] = m_fScale;
+            m_modelview[5] = 0;
+            m_modelview[6] = 0;
+
+            m_modelview[8] = 0;
+            m_modelview[9] = m_fScale;
+            m_modelview[10] = 0;
+            break;
+    }
+
+    m_modelview[3] = m_modelview[7] = m_modelview[11] = 0;
+    m_modelview[15] = 1;
+
+    m_view.Construct(m_projection, m_modelview, m_nWidth, m_nHeight);
 }
 
 /*
-==============
-XY_Draw
-==============
-*/
+   ==============
+   XY_Draw
+   ==============
+ */
 
 //#define DBG_SCENEDUMP
 
 void XYWnd::XY_Draw()
 {
-  //
-  // clear
-  //
-  glViewport(0, 0, m_nWidth, m_nHeight);
-  glClearColor (g_xywindow_globals.color_gridback[0],
-                g_xywindow_globals.color_gridback[1],
-                g_xywindow_globals.color_gridback[2],0);
-
-  glClear(GL_COLOR_BUFFER_BIT);
-
-  //
-  // set up viewpoint
-  //
+    //
+    // clear
+    //
+    glViewport(0, 0, m_nWidth, m_nHeight);
+    glClearColor(g_xywindow_globals.color_gridback[0],
+                 g_xywindow_globals.color_gridback[1],
+                 g_xywindow_globals.color_gridback[2], 0);
+
+    glClear(GL_COLOR_BUFFER_BIT);
+
+    //
+    // set up viewpoint
+    //
+
+    glMatrixMode(GL_PROJECTION);
+    glLoadMatrixf(reinterpret_cast<const float *>( &m_projection ));
+
+    glMatrixMode(GL_MODELVIEW);
+    glLoadIdentity();
+    glScalef(m_fScale, m_fScale, 1);
+    int nDim1 = (m_viewType == YZ) ? 1 : 0;
+    int nDim2 = (m_viewType == XY) ? 1 : 2;
+    glTranslatef(-m_vOrigin[nDim1], -m_vOrigin[nDim2], 0);
+
+    glDisable(GL_LINE_STIPPLE);
+    glLineWidth(1);
+    glDisableClientState(GL_TEXTURE_COORD_ARRAY);
+    glDisableClientState(GL_NORMAL_ARRAY);
+    glDisableClientState(GL_COLOR_ARRAY);
+    glDisable(GL_TEXTURE_2D);
+    glDisable(GL_LIGHTING);
+    glDisable(GL_COLOR_MATERIAL);
+    glDisable(GL_DEPTH_TEST);
+
+    if (m_backgroundActivated) {
+        XY_DrawBackground();
+    }
+    XY_DrawGrid();
 
-  glMatrixMode(GL_PROJECTION);
-  glLoadMatrixf(reinterpret_cast<const float*>(&m_projection));
+    if (g_xywindow_globals_private.show_blocks) {
+        XY_DrawBlockGrid();
+    }
 
-  glMatrixMode(GL_MODELVIEW);
-  glLoadIdentity();
-  glScalef(m_fScale, m_fScale, 1);
-  int nDim1 = (m_viewType == YZ) ? 1 : 0;
-  int nDim2 = (m_viewType == XY) ? 1 : 2;
-  glTranslatef(-m_vOrigin[nDim1], -m_vOrigin[nDim2], 0);
+    glLoadMatrixf(reinterpret_cast<const float *>( &m_modelview ));
 
-  glDisable (GL_LINE_STIPPLE);
-  glLineWidth(1);
-  glDisableClientState(GL_TEXTURE_COORD_ARRAY);
-  glDisableClientState(GL_NORMAL_ARRAY);
-  glDisableClientState(GL_COLOR_ARRAY);
-  glDisable(GL_TEXTURE_2D);
-  glDisable(GL_LIGHTING);
-  glDisable(GL_COLOR_MATERIAL);
-  glDisable(GL_DEPTH_TEST);
+    unsigned int globalstate = RENDER_COLOURARRAY | RENDER_COLOURWRITE | RENDER_POLYGONSMOOTH | RENDER_LINESMOOTH;
+    if (!g_xywindow_globals.m_bNoStipple) {
+        globalstate |= RENDER_LINESTIPPLE;
+    }
 
-  if (m_backgroundActivated)
-    XY_DrawBackground();
-  XY_DrawGrid();
+    {
+        XYRenderer renderer(globalstate, m_state_selected);
 
-  if ( g_xywindow_globals_private.show_blocks)
-    XY_DrawBlockGrid();
+        Scene_Render(renderer, m_view);
 
-  glLoadMatrixf(reinterpret_cast<const float*>(&m_modelview));
+        GlobalOpenGL_debugAssertNoErrors();
+        renderer.render(m_modelview, m_projection);
+        GlobalOpenGL_debugAssertNoErrors();
+    }
 
-  unsigned int globalstate = RENDER_COLOURARRAY | RENDER_COLOURWRITE | RENDER_POLYGONSMOOTH | RENDER_LINESMOOTH;
-  if(!g_xywindow_globals.m_bNoStipple)
-  {
-    globalstate |= RENDER_LINESTIPPLE;
-  }
+    glDepthMask(GL_FALSE);
 
-  {
-    XYRenderer renderer(globalstate, m_state_selected);
+    GlobalOpenGL_debugAssertNoErrors();
 
-    Scene_Render(renderer, m_view);
+    glLoadMatrixf(reinterpret_cast<const float *>( &m_modelview ));
 
     GlobalOpenGL_debugAssertNoErrors();
-    renderer.render(m_modelview, m_projection);
+    glDisable(GL_LINE_STIPPLE);
     GlobalOpenGL_debugAssertNoErrors();
-  }
-
-  glDepthMask(GL_FALSE);
-
-  GlobalOpenGL_debugAssertNoErrors();
-
-  glLoadMatrixf(reinterpret_cast<const float*>(&m_modelview));
-
-  GlobalOpenGL_debugAssertNoErrors();
-  glDisable(GL_LINE_STIPPLE);
-  GlobalOpenGL_debugAssertNoErrors();
-  glLineWidth(1);
-  GlobalOpenGL_debugAssertNoErrors();
-  if(GlobalOpenGL().GL_1_3())
-  {
-    glActiveTexture(GL_TEXTURE0);
-    glClientActiveTexture(GL_TEXTURE0);
-  }
-  glDisableClientState(GL_TEXTURE_COORD_ARRAY);
-  GlobalOpenGL_debugAssertNoErrors();
-  glDisableClientState(GL_NORMAL_ARRAY);
-  GlobalOpenGL_debugAssertNoErrors();
-  glDisableClientState(GL_COLOR_ARRAY);
-  GlobalOpenGL_debugAssertNoErrors();
-  glDisable(GL_TEXTURE_2D);
-  GlobalOpenGL_debugAssertNoErrors();
-  glDisable(GL_LIGHTING);
-  GlobalOpenGL_debugAssertNoErrors();
-  glDisable(GL_COLOR_MATERIAL);
-  GlobalOpenGL_debugAssertNoErrors();
-
-  GlobalOpenGL_debugAssertNoErrors();
-
-
-  // size info
-  if(g_xywindow_globals_private.m_bSizePaint && GlobalSelectionSystem().countSelected() != 0)
-  {
-    Vector3 min, max;
-    Select_GetBounds(min, max);
-    PaintSizeInfo(nDim1, nDim2, min, max);
-  }
-
-  if (g_bCrossHairs)
-  {
-    glColor4f(0.2f, 0.9f, 0.2f, 0.8f);
-    glBegin (GL_LINES);
-    if (m_viewType == XY)
-    {
-      glVertex2f(2.0f * g_MinWorldCoord, m_mousePosition[1]);
-      glVertex2f(2.0f * g_MaxWorldCoord, m_mousePosition[1]);
-      glVertex2f(m_mousePosition[0], 2.0f * g_MinWorldCoord);
-      glVertex2f(m_mousePosition[0], 2.0f * g_MaxWorldCoord);
-    }
-    else if (m_viewType == YZ)
-    {
-      glVertex3f(m_mousePosition[0], 2.0f * g_MinWorldCoord, m_mousePosition[2]);
-      glVertex3f(m_mousePosition[0], 2.0f * g_MaxWorldCoord, m_mousePosition[2]);
-      glVertex3f(m_mousePosition[0], m_mousePosition[1], 2.0f * g_MinWorldCoord);
-      glVertex3f(m_mousePosition[0], m_mousePosition[1], 2.0f * g_MaxWorldCoord);
-    }
-    else
-    {
-      glVertex3f (2.0f * g_MinWorldCoord, m_mousePosition[1], m_mousePosition[2]);
-      glVertex3f (2.0f * g_MaxWorldCoord, m_mousePosition[1], m_mousePosition[2]);
-      glVertex3f(m_mousePosition[0], m_mousePosition[1], 2.0f * g_MinWorldCoord);
-      glVertex3f(m_mousePosition[0], m_mousePosition[1], 2.0f * g_MaxWorldCoord);
+    glLineWidth(1);
+    GlobalOpenGL_debugAssertNoErrors();
+    if (GlobalOpenGL().GL_1_3()) {
+        glActiveTexture(GL_TEXTURE0);
+        glClientActiveTexture(GL_TEXTURE0);
     }
-    glEnd();
-  }
+    glDisableClientState(GL_TEXTURE_COORD_ARRAY);
+    GlobalOpenGL_debugAssertNoErrors();
+    glDisableClientState(GL_NORMAL_ARRAY);
+    GlobalOpenGL_debugAssertNoErrors();
+    glDisableClientState(GL_COLOR_ARRAY);
+    GlobalOpenGL_debugAssertNoErrors();
+    glDisable(GL_TEXTURE_2D);
+    GlobalOpenGL_debugAssertNoErrors();
+    glDisable(GL_LIGHTING);
+    GlobalOpenGL_debugAssertNoErrors();
+    glDisable(GL_COLOR_MATERIAL);
+    GlobalOpenGL_debugAssertNoErrors();
 
-  if (ClipMode())
-  {
-    GlobalClipPoints_Draw(m_fScale);
-  }
+    GlobalOpenGL_debugAssertNoErrors();
 
-  GlobalOpenGL_debugAssertNoErrors();
 
-    // reset modelview
-  glLoadIdentity();
-  glScalef(m_fScale, m_fScale, 1);
-  glTranslatef(-m_vOrigin[nDim1], -m_vOrigin[nDim2], 0);
+    // size info
+    if (g_xywindow_globals_private.m_bSizePaint && GlobalSelectionSystem().countSelected() != 0) {
+        Vector3 min, max;
+        Select_GetBounds(min, max);
+        PaintSizeInfo(nDim1, nDim2, min, max);
+    }
 
-  DrawCameraIcon (Camera_getOrigin(*g_pParentWnd->GetCamWnd()), Camera_getAngles(*g_pParentWnd->GetCamWnd()));
+    if (g_bCrossHairs) {
+        glColor4f(0.2f, 0.9f, 0.2f, 0.8f);
+        glBegin(GL_LINES);
+        if (m_viewType == XY) {
+            glVertex2f(2.0f * g_MinWorldCoord, m_mousePosition[1]);
+            glVertex2f(2.0f * g_MaxWorldCoord, m_mousePosition[1]);
+            glVertex2f(m_mousePosition[0], 2.0f * g_MinWorldCoord);
+            glVertex2f(m_mousePosition[0], 2.0f * g_MaxWorldCoord);
+        } else if (m_viewType == YZ) {
+            glVertex3f(m_mousePosition[0], 2.0f * g_MinWorldCoord, m_mousePosition[2]);
+            glVertex3f(m_mousePosition[0], 2.0f * g_MaxWorldCoord, m_mousePosition[2]);
+            glVertex3f(m_mousePosition[0], m_mousePosition[1], 2.0f * g_MinWorldCoord);
+            glVertex3f(m_mousePosition[0], m_mousePosition[1], 2.0f * g_MaxWorldCoord);
+        } else {
+            glVertex3f(2.0f * g_MinWorldCoord, m_mousePosition[1], m_mousePosition[2]);
+            glVertex3f(2.0f * g_MaxWorldCoord, m_mousePosition[1], m_mousePosition[2]);
+            glVertex3f(m_mousePosition[0], m_mousePosition[1], 2.0f * g_MinWorldCoord);
+            glVertex3f(m_mousePosition[0], m_mousePosition[1], 2.0f * g_MaxWorldCoord);
+        }
+        glEnd();
+    }
 
-  Feedback_draw2D( m_viewType );
+    if (ClipMode()) {
+        GlobalClipPoints_Draw(m_fScale);
+    }
 
-  if (g_xywindow_globals_private.show_outline)
-  {
-    if (Active())
-    {
-      glMatrixMode (GL_PROJECTION);
-      glLoadIdentity();
-      glOrtho (0, m_nWidth, 0, m_nHeight, 0, 1);
-
-      glMatrixMode (GL_MODELVIEW);
-      glLoadIdentity();
-
-      // four view mode doesn't colorize
-      if (g_pParentWnd->CurrentStyle() == MainFrame::eSplit)
-        glColor3fv(vector3_to_array(g_xywindow_globals.color_viewname));
-      else
-      {
-        switch(m_viewType)
-        {
-        case YZ:
-          glColor3fv(vector3_to_array(g_xywindow_globals.AxisColorX));
-          break;
-        case XZ:
-          glColor3fv(vector3_to_array(g_xywindow_globals.AxisColorY));
-          break;
-        case XY:
-          glColor3fv(vector3_to_array(g_xywindow_globals.AxisColorZ));
-          break;
+    GlobalOpenGL_debugAssertNoErrors();
+
+    // reset modelview
+    glLoadIdentity();
+    glScalef(m_fScale, m_fScale, 1);
+    glTranslatef(-m_vOrigin[nDim1], -m_vOrigin[nDim2], 0);
+
+    DrawCameraIcon(Camera_getOrigin(*g_pParentWnd->GetCamWnd()), Camera_getAngles(*g_pParentWnd->GetCamWnd()));
+
+    Feedback_draw2D(m_viewType);
+
+    if (g_xywindow_globals_private.show_outline) {
+        if (Active()) {
+            glMatrixMode(GL_PROJECTION);
+            glLoadIdentity();
+            glOrtho(0, m_nWidth, 0, m_nHeight, 0, 1);
+
+            glMatrixMode(GL_MODELVIEW);
+            glLoadIdentity();
+
+            // four view mode doesn't colorize
+            if (g_pParentWnd->CurrentStyle() == MainFrame::eSplit) {
+                glColor3fv(vector3_to_array(g_xywindow_globals.color_viewname));
+            } else {
+                switch (m_viewType) {
+                    case YZ:
+                        glColor3fv(vector3_to_array(g_xywindow_globals.AxisColorX));
+                        break;
+                    case XZ:
+                        glColor3fv(vector3_to_array(g_xywindow_globals.AxisColorY));
+                        break;
+                    case XY:
+                        glColor3fv(vector3_to_array(g_xywindow_globals.AxisColorZ));
+                        break;
+                }
+            }
+            glBegin(GL_LINE_LOOP);
+            glVertex2f(0.5, 0.5);
+            glVertex2f(m_nWidth - 0.5, 1);
+            glVertex2f(m_nWidth - 0.5, m_nHeight - 0.5);
+            glVertex2f(0.5, m_nHeight - 0.5);
+            glEnd();
         }
-      }
-      glBegin (GL_LINE_LOOP);
-      glVertex2i (0, 0);
-      glVertex2i (m_nWidth-1, 0);
-      glVertex2i (m_nWidth-1, m_nHeight-1);
-      glVertex2i (0, m_nHeight-1);
-      glEnd();
     }
-  }
 
-  GlobalOpenGL_debugAssertNoErrors();
+    GlobalOpenGL_debugAssertNoErrors();
 
-  glFinish();
+    glFinish();
 }
 
-void XYWnd_MouseToPoint(XYWnd* xywnd, int x, int y, Vector3& point)
+void XYWnd_MouseToPoint(XYWnd *xywnd, int x, int y, Vector3 &point)
 {
-  xywnd->XY_ToPoint(x, y, point);
-  xywnd->XY_SnapToGrid(point);
+    xywnd->XY_ToPoint(x, y, point);
+    xywnd->XY_SnapToGrid(point);
 
-  int nDim = (xywnd->GetViewType() == XY) ? 2 : (xywnd->GetViewType() == YZ) ? 0 : 1;
-  float fWorkMid = float_mid(Select_getWorkZone().d_work_min[nDim], Select_getWorkZone().d_work_max[nDim]);
-  point[nDim] = float_snapped(fWorkMid, GetGridSize());
+    int nDim = (xywnd->GetViewType() == XY) ? 2 : (xywnd->GetViewType() == YZ) ? 0 : 1;
+    float fWorkMid = float_mid(Select_getWorkZone().d_work_min[nDim], Select_getWorkZone().d_work_max[nDim]);
+    point[nDim] = float_snapped(fWorkMid, GetGridSize());
 }
 
-void XYWnd::OnEntityCreate (const char* item)
+void XYWnd::OnEntityCreate(const char *item)
 {
-  StringOutputStream command;
-  command << "entityCreate -class " << item;
-  UndoableCommand undo(command.c_str());
-  Vector3 point;
-  XYWnd_MouseToPoint(this, m_entityCreate_x, m_entityCreate_y, point);
-  Entity_createFromSelection(item, point);
+    StringOutputStream command;
+    command << "entityCreate -class " << item;
+    UndoableCommand undo(command.c_str());
+    Vector3 point;
+    XYWnd_MouseToPoint(this, m_entityCreate_x, m_entityCreate_y, point);
+    Entity_createFromSelection(item, point);
 }
 
 
-
-void GetFocusPosition(Vector3& position)
+void GetFocusPosition(Vector3 &position)
 {
-  if(GlobalSelectionSystem().countSelected() != 0)
-  {
-    Select_GetMid(position);
-  }
-  else
-  {
-    position = Camera_getOrigin(*g_pParentWnd->GetCamWnd());
-  }
+    if (GlobalSelectionSystem().countSelected() != 0) {
+        Select_GetMid(position);
+    } else {
+        position = Camera_getOrigin(*g_pParentWnd->GetCamWnd());
+    }
 }
 
-void XYWnd_Focus(XYWndxywnd)
+void XYWnd_Focus(XYWnd *xywnd)
 {
-  Vector3 position;
-  GetFocusPosition(position);
-  xywnd->PositionView(position);
+    Vector3 position;
+    GetFocusPosition(position);
+    xywnd->PositionView(position);
 }
 
 void XY_Split_Focus()
 {
-  Vector3 position;
-  GetFocusPosition(position);
-  g_pParentWnd->GetXYWnd()->PositionView(position);
-  g_pParentWnd->GetXZWnd()->PositionView(position);
-  g_pParentWnd->GetYZWnd()->PositionView(position);
+    Vector3 position;
+    GetFocusPosition(position);
+    if (g_pParentWnd->GetXYWnd()) {
+        g_pParentWnd->GetXYWnd()->PositionView(position);
+    }
+    if (g_pParentWnd->GetXZWnd()) {
+        g_pParentWnd->GetXZWnd()->PositionView(position);
+    }
+    if (g_pParentWnd->GetYZWnd()) {
+        g_pParentWnd->GetYZWnd()->PositionView(position);
+    }
 }
 
 void XY_Focus()
 {
-  if (g_pParentWnd->CurrentStyle() == MainFrame::eSplit || g_pParentWnd->CurrentStyle() == MainFrame::eFloating)
-  {
-         // cannot do this in a split window
-         // do something else that the user may want here
-         XY_Split_Focus();
-         return;
-  }
+    if (g_pParentWnd->CurrentStyle() == MainFrame::eSplit) {
+        // cannot do this in a split window
+        // do something else that the user may want here
+        XY_Split_Focus();
+        return;
+    }
 
-  XYWnd* xywnd = g_pParentWnd->GetXYWnd();
-  XYWnd_Focus(xywnd);
+    XYWnd *xywnd = g_pParentWnd->GetXYWnd();
+    XYWnd_Focus(xywnd);
 }
 
 void XY_Top()
 {
-  if (g_pParentWnd->CurrentStyle() == MainFrame::eSplit || g_pParentWnd->CurrentStyle() == MainFrame::eFloating)
-  {
-         // cannot do this in a split window
-         // do something else that the user may want here
-         XY_Split_Focus();
-         return;
-  }
+    if (g_pParentWnd->CurrentStyle() == MainFrame::eSplit || g_pParentWnd->CurrentStyle() == MainFrame::eFloating) {
+        // cannot do this in a split window
+        // do something else that the user may want here
+        XY_Split_Focus();
+        return;
+    }
 
-  XYWnd* xywnd = g_pParentWnd->GetXYWnd();
-  xywnd->SetViewType(XY);
-  XYWnd_Focus(xywnd);
+    XYWnd *xywnd = g_pParentWnd->GetXYWnd();
+    xywnd->SetViewType(XY);
+    XYWnd_Focus(xywnd);
 }
 
 void XY_Side()
 {
-  if (g_pParentWnd->CurrentStyle() == MainFrame::eSplit || g_pParentWnd->CurrentStyle() == MainFrame::eFloating)
-  {
-         // cannot do this in a split window
-         // do something else that the user may want here
-         XY_Split_Focus();
-         return;
-  }
+    if (g_pParentWnd->CurrentStyle() == MainFrame::eSplit || g_pParentWnd->CurrentStyle() == MainFrame::eFloating) {
+        // cannot do this in a split window
+        // do something else that the user may want here
+        XY_Split_Focus();
+        return;
+    }
 
-  XYWnd* xywnd = g_pParentWnd->GetXYWnd();
-  xywnd->SetViewType(XZ);
-  XYWnd_Focus(xywnd);
+    XYWnd *xywnd = g_pParentWnd->GetXYWnd();
+    xywnd->SetViewType(XZ);
+    XYWnd_Focus(xywnd);
 }
 
 void XY_Front()
 {
-  if (g_pParentWnd->CurrentStyle() == MainFrame::eSplit || g_pParentWnd->CurrentStyle() == MainFrame::eFloating)
-  {
-         // cannot do this in a split window
-         // do something else that the user may want here
-         XY_Split_Focus();
-         return;
-  }
+    if (g_pParentWnd->CurrentStyle() == MainFrame::eSplit || g_pParentWnd->CurrentStyle() == MainFrame::eFloating) {
+        // cannot do this in a split window
+        // do something else that the user may want here
+        XY_Split_Focus();
+        return;
+    }
 
-  XYWnd* xywnd = g_pParentWnd->GetXYWnd();
-  xywnd->SetViewType(YZ);
-  XYWnd_Focus(xywnd);
+    XYWnd *xywnd = g_pParentWnd->GetXYWnd();
+    xywnd->SetViewType(YZ);
+    XYWnd_Focus(xywnd);
 }
 
 void XY_Next()
 {
-  if (g_pParentWnd->CurrentStyle() == MainFrame::eSplit || g_pParentWnd->CurrentStyle() == MainFrame::eFloating)
-  {
-         // cannot do this in a split window
-         // do something else that the user may want here
-         XY_Split_Focus();
-         return;
-  }
+    if (g_pParentWnd->CurrentStyle() == MainFrame::eSplit || g_pParentWnd->CurrentStyle() == MainFrame::eFloating) {
+        // cannot do this in a split window
+        // do something else that the user may want here
+        XY_Split_Focus();
+        return;
+    }
 
-  XYWnd* xywnd = g_pParentWnd->GetXYWnd();
-  if (xywnd->GetViewType() == XY)
-    xywnd->SetViewType(XZ);
-  else if (xywnd->GetViewType() ==  XZ)
-    xywnd->SetViewType(YZ);
-  else
-    xywnd->SetViewType(XY);
-  XYWnd_Focus(xywnd);
+    XYWnd *xywnd = g_pParentWnd->GetXYWnd();
+    if (xywnd->GetViewType() == XY) {
+        xywnd->SetViewType(XZ);
+    } else if (xywnd->GetViewType() == XZ) {
+        xywnd->SetViewType(YZ);
+    } else {
+        xywnd->SetViewType(XY);
+    }
+    XYWnd_Focus(xywnd);
 }
 
 void XY_Zoom100()
 {
-  if (g_pParentWnd->GetXYWnd())
-    g_pParentWnd->GetXYWnd()->SetScale(1);
-  if (g_pParentWnd->GetXZWnd())
-    g_pParentWnd->GetXZWnd()->SetScale(1);
-  if (g_pParentWnd->GetYZWnd())
-    g_pParentWnd->GetYZWnd()->SetScale(1);
+    if (g_pParentWnd->GetXYWnd()) {
+        g_pParentWnd->GetXYWnd()->SetScale(1);
+    }
+    if (g_pParentWnd->GetXZWnd()) {
+        g_pParentWnd->GetXZWnd()->SetScale(1);
+    }
+    if (g_pParentWnd->GetYZWnd()) {
+        g_pParentWnd->GetYZWnd()->SetScale(1);
+    }
 }
 
 void XY_ZoomIn()
 {
-  XYWnd_ZoomIn(g_pParentWnd->ActiveXY());
+    XYWnd_ZoomIn(g_pParentWnd->ActiveXY());
 }
 
 // NOTE: the zoom out factor is 4/5, we could think about customizing it
@@ -2674,242 +2628,262 @@ void XY_ZoomIn()
 //  (this has to be computed against the window size)
 void XY_ZoomOut()
 {
-  XYWnd_ZoomOut(g_pParentWnd->ActiveXY());
+    XYWnd_ZoomOut(g_pParentWnd->ActiveXY());
 }
 
 
-
 void ToggleShowCrosshair()
 {
-  g_bCrossHairs ^= 1;
-  XY_UpdateAllWindows();
+    g_bCrossHairs ^= 1;
+    XY_UpdateAllWindows();
 }
 
 void ToggleShowSizeInfo()
 {
-  g_xywindow_globals_private.m_bSizePaint = !g_xywindow_globals_private.m_bSizePaint;
-  XY_UpdateAllWindows();
+    g_xywindow_globals_private.m_bSizePaint = !g_xywindow_globals_private.m_bSizePaint;
+    XY_UpdateAllWindows();
 }
 
 void ToggleShowGrid()
 {
-  g_xywindow_globals_private.d_showgrid = !g_xywindow_globals_private.d_showgrid;
-  XY_UpdateAllWindows();
+    g_xywindow_globals_private.d_showgrid = !g_xywindow_globals_private.d_showgrid;
+    XY_UpdateAllWindows();
 }
 
 ToggleShown g_xy_top_shown(true);
 
-void XY_Top_Shown_Construct(GtkWindow* parent)
+void XY_Top_Shown_Construct(ui::Window parent)
 {
-  g_xy_top_shown.connect(GTK_WIDGET(parent));
+    g_xy_top_shown.connect(parent);
 }
 
 ToggleShown g_yz_side_shown(false);
 
-void YZ_Side_Shown_Construct(GtkWindow* parent)
+void YZ_Side_Shown_Construct(ui::Window parent)
 {
-  g_yz_side_shown.connect(GTK_WIDGET(parent));
+    g_yz_side_shown.connect(parent);
 }
 
 ToggleShown g_xz_front_shown(false);
 
-void XZ_Front_Shown_Construct(GtkWindow* parent)
+void XZ_Front_Shown_Construct(ui::Window parent)
 {
-  g_xz_front_shown.connect(GTK_WIDGET(parent));
+    g_xz_front_shown.connect(parent);
 }
 
 
-class EntityClassMenu : public ModuleObserver
-{
-  std::size_t m_unrealised;
+class EntityClassMenu : public ModuleObserver {
+    std::size_t m_unrealised;
 public:
-  EntityClassMenu() : m_unrealised(1)
-  {
-  }
-  void realise()
-  {
-    if(--m_unrealised == 0)
+    EntityClassMenu() : m_unrealised(1)
+    {
+    }
+
+    void realise()
     {
+        if (--m_unrealised == 0) {
+        }
     }
-  }
-  void unrealise()
-  {
-    if(++m_unrealised == 1)
+
+    void unrealise()
     {
-      if(XYWnd::m_mnuDrop != 0)
-      {
-        gtk_widget_destroy(GTK_WIDGET(XYWnd::m_mnuDrop));
-        XYWnd::m_mnuDrop = 0;
-      }
+        if (++m_unrealised == 1) {
+            if (XYWnd::m_mnuDrop) {
+                XYWnd::m_mnuDrop.destroy();
+                XYWnd::m_mnuDrop = ui::Menu(ui::null);
+            }
+        }
     }
-  }
 };
 
 EntityClassMenu g_EntityClassMenu;
 
 
-
-
 void ShowNamesToggle()
 {
-  GlobalEntityCreator().setShowNames(!GlobalEntityCreator().getShowNames());
-  XY_UpdateAllWindows();
+    GlobalEntityCreator().setShowNames(!GlobalEntityCreator().getShowNames());
+    XY_UpdateAllWindows();
 }
-typedef FreeCaller<ShowNamesToggle> ShowNamesToggleCaller;
-void ShowNamesExport(const BoolImportCallback& importer)
+
+typedef FreeCaller<void(), ShowNamesToggle> ShowNamesToggleCaller;
+
+void ShowNamesExport(const Callback<void(bool)> &importer)
 {
-  importer(GlobalEntityCreator().getShowNames());
+    importer(GlobalEntityCreator().getShowNames());
 }
-typedef FreeCaller1<const BoolImportCallback&, ShowNamesExport> ShowNamesExportCaller;
+
+typedef FreeCaller<void(const Callback<void(bool)> &), ShowNamesExport> ShowNamesExportCaller;
 
 void ShowAnglesToggle()
 {
-  GlobalEntityCreator().setShowAngles(!GlobalEntityCreator().getShowAngles());
-  XY_UpdateAllWindows();
+    GlobalEntityCreator().setShowAngles(!GlobalEntityCreator().getShowAngles());
+    XY_UpdateAllWindows();
 }
-typedef FreeCaller<ShowAnglesToggle> ShowAnglesToggleCaller;
-void ShowAnglesExport(const BoolImportCallback& importer)
+
+typedef FreeCaller<void(), ShowAnglesToggle> ShowAnglesToggleCaller;
+
+void ShowAnglesExport(const Callback<void(bool)> &importer)
 {
-  importer(GlobalEntityCreator().getShowAngles());
+    importer(GlobalEntityCreator().getShowAngles());
 }
-typedef FreeCaller1<const BoolImportCallback&, ShowAnglesExport> ShowAnglesExportCaller;
+
+typedef FreeCaller<void(const Callback<void(bool)> &), ShowAnglesExport> ShowAnglesExportCaller;
 
 void ShowBlocksToggle()
 {
-  g_xywindow_globals_private.show_blocks ^= 1;
-  XY_UpdateAllWindows();
+    g_xywindow_globals_private.show_blocks ^= 1;
+    XY_UpdateAllWindows();
 }
-typedef FreeCaller<ShowBlocksToggle> ShowBlocksToggleCaller;
-void ShowBlocksExport(const BoolImportCallback& importer)
+
+typedef FreeCaller<void(), ShowBlocksToggle> ShowBlocksToggleCaller;
+
+void ShowBlocksExport(const Callback<void(bool)> &importer)
 {
-  importer(g_xywindow_globals_private.show_blocks);
+    importer(g_xywindow_globals_private.show_blocks);
 }
-typedef FreeCaller1<const BoolImportCallback&, ShowBlocksExport> ShowBlocksExportCaller;
+
+typedef FreeCaller<void(const Callback<void(bool)> &), ShowBlocksExport> ShowBlocksExportCaller;
 
 void ShowCoordinatesToggle()
 {
-  g_xywindow_globals_private.show_coordinates ^= 1;
-  XY_UpdateAllWindows();
+    g_xywindow_globals_private.show_coordinates ^= 1;
+    XY_UpdateAllWindows();
 }
-typedef FreeCaller<ShowCoordinatesToggle> ShowCoordinatesToggleCaller;
-void ShowCoordinatesExport(const BoolImportCallback& importer)
+
+typedef FreeCaller<void(), ShowCoordinatesToggle> ShowCoordinatesToggleCaller;
+
+void ShowCoordinatesExport(const Callback<void(bool)> &importer)
 {
-  importer(g_xywindow_globals_private.show_coordinates);
+    importer(g_xywindow_globals_private.show_coordinates);
 }
-typedef FreeCaller1<const BoolImportCallback&, ShowCoordinatesExport> ShowCoordinatesExportCaller;
+
+typedef FreeCaller<void(const Callback<void(bool)> &), ShowCoordinatesExport> ShowCoordinatesExportCaller;
 
 void ShowOutlineToggle()
 {
-  g_xywindow_globals_private.show_outline ^= 1;
-  XY_UpdateAllWindows();
+    g_xywindow_globals_private.show_outline ^= 1;
+    XY_UpdateAllWindows();
 }
-typedef FreeCaller<ShowOutlineToggle> ShowOutlineToggleCaller;
-void ShowOutlineExport(const BoolImportCallback& importer)
+
+typedef FreeCaller<void(), ShowOutlineToggle> ShowOutlineToggleCaller;
+
+void ShowOutlineExport(const Callback<void(bool)> &importer)
 {
-  importer(g_xywindow_globals_private.show_outline);
+    importer(g_xywindow_globals_private.show_outline);
 }
-typedef FreeCaller1<const BoolImportCallback&, ShowOutlineExport> ShowOutlineExportCaller;
+
+typedef FreeCaller<void(const Callback<void(bool)> &), ShowOutlineExport> ShowOutlineExportCaller;
 
 void ShowAxesToggle()
 {
-  g_xywindow_globals_private.show_axis ^= 1;
-  XY_UpdateAllWindows();
+    g_xywindow_globals_private.show_axis ^= 1;
+    XY_UpdateAllWindows();
 }
-typedef FreeCaller<ShowAxesToggle> ShowAxesToggleCaller;
-void ShowAxesExport(const BoolImportCallback& importer)
+
+typedef FreeCaller<void(), ShowAxesToggle> ShowAxesToggleCaller;
+
+void ShowAxesExport(const Callback<void(bool)> &importer)
 {
-  importer(g_xywindow_globals_private.show_axis);
+    importer(g_xywindow_globals_private.show_axis);
 }
-typedef FreeCaller1<const BoolImportCallback&, ShowAxesExport> ShowAxesExportCaller;
+
+typedef FreeCaller<void(const Callback<void(bool)> &), ShowAxesExport> ShowAxesExportCaller;
 
 void ShowWorkzoneToggle()
 {
-  g_xywindow_globals_private.d_show_work ^= 1;
-  XY_UpdateAllWindows();
+    g_xywindow_globals_private.d_show_work ^= 1;
+    XY_UpdateAllWindows();
 }
-typedef FreeCaller<ShowWorkzoneToggle> ShowWorkzoneToggleCaller;
-void ShowWorkzoneExport(const BoolImportCallback& importer)
+
+typedef FreeCaller<void(), ShowWorkzoneToggle> ShowWorkzoneToggleCaller;
+
+void ShowWorkzoneExport(const Callback<void(bool)> &importer)
 {
-  importer(g_xywindow_globals_private.d_show_work);
+    importer(g_xywindow_globals_private.d_show_work);
 }
-typedef FreeCaller1<const BoolImportCallback&, ShowWorkzoneExport> ShowWorkzoneExportCaller;
+
+typedef FreeCaller<void(const Callback<void(bool)> &), ShowWorkzoneExport> ShowWorkzoneExportCaller;
 
 ShowNamesExportCaller g_show_names_caller;
-BoolExportCallback g_show_names_callback(g_show_names_caller);
+Callback<void(const Callback<void(bool)> &)> g_show_names_callback(g_show_names_caller);
 ToggleItem g_show_names(g_show_names_callback);
 
 ShowAnglesExportCaller g_show_angles_caller;
-BoolExportCallback g_show_angles_callback(g_show_angles_caller);
+Callback<void(const Callback<void(bool)> &)> g_show_angles_callback(g_show_angles_caller);
 ToggleItem g_show_angles(g_show_angles_callback);
 
 ShowBlocksExportCaller g_show_blocks_caller;
-BoolExportCallback g_show_blocks_callback(g_show_blocks_caller);
+Callback<void(const Callback<void(bool)> &)> g_show_blocks_callback(g_show_blocks_caller);
 ToggleItem g_show_blocks(g_show_blocks_callback);
 
 ShowCoordinatesExportCaller g_show_coordinates_caller;
-BoolExportCallback g_show_coordinates_callback(g_show_coordinates_caller);
+Callback<void(const Callback<void(bool)> &)> g_show_coordinates_callback(g_show_coordinates_caller);
 ToggleItem g_show_coordinates(g_show_coordinates_callback);
 
 ShowOutlineExportCaller g_show_outline_caller;
-BoolExportCallback g_show_outline_callback(g_show_outline_caller);
+Callback<void(const Callback<void(bool)> &)> g_show_outline_callback(g_show_outline_caller);
 ToggleItem g_show_outline(g_show_outline_callback);
 
 ShowAxesExportCaller g_show_axes_caller;
-BoolExportCallback g_show_axes_callback(g_show_axes_caller);
+Callback<void(const Callback<void(bool)> &)> g_show_axes_callback(g_show_axes_caller);
 ToggleItem g_show_axes(g_show_axes_callback);
 
 ShowWorkzoneExportCaller g_show_workzone_caller;
-BoolExportCallback g_show_workzone_callback(g_show_workzone_caller);
+Callback<void(const Callback<void(bool)> &)> g_show_workzone_callback(g_show_workzone_caller);
 ToggleItem g_show_workzone(g_show_workzone_callback);
 
 void XYShow_registerCommands()
 {
-  GlobalToggles_insert("ShowAngles", ShowAnglesToggleCaller(), ToggleItem::AddCallbackCaller(g_show_angles));
-  GlobalToggles_insert("ShowNames", ShowNamesToggleCaller(), ToggleItem::AddCallbackCaller(g_show_names));
-  GlobalToggles_insert("ShowBlocks", ShowBlocksToggleCaller(), ToggleItem::AddCallbackCaller(g_show_blocks));
-  GlobalToggles_insert("ShowCoordinates", ShowCoordinatesToggleCaller(), ToggleItem::AddCallbackCaller(g_show_coordinates));
-  GlobalToggles_insert("ShowWindowOutline", ShowOutlineToggleCaller(), ToggleItem::AddCallbackCaller(g_show_outline));
-  GlobalToggles_insert("ShowAxes", ShowAxesToggleCaller(), ToggleItem::AddCallbackCaller(g_show_axes));
-  GlobalToggles_insert("ShowWorkzone", ShowWorkzoneToggleCaller(), ToggleItem::AddCallbackCaller(g_show_workzone));
+    GlobalToggles_insert("ShowAngles", ShowAnglesToggleCaller(), ToggleItem::AddCallbackCaller(g_show_angles));
+    GlobalToggles_insert("ShowNames", ShowNamesToggleCaller(), ToggleItem::AddCallbackCaller(g_show_names));
+    GlobalToggles_insert("ShowBlocks", ShowBlocksToggleCaller(), ToggleItem::AddCallbackCaller(g_show_blocks));
+    GlobalToggles_insert("ShowCoordinates", ShowCoordinatesToggleCaller(),
+                         ToggleItem::AddCallbackCaller(g_show_coordinates));
+    GlobalToggles_insert("ShowWindowOutline", ShowOutlineToggleCaller(), ToggleItem::AddCallbackCaller(g_show_outline));
+    GlobalToggles_insert("ShowAxes", ShowAxesToggleCaller(), ToggleItem::AddCallbackCaller(g_show_axes));
+    GlobalToggles_insert("ShowWorkzone", ShowWorkzoneToggleCaller(), ToggleItem::AddCallbackCaller(g_show_workzone));
 }
 
 void XYWnd_registerShortcuts()
 {
-  command_connect_accelerator("ToggleCrosshairs");
-  command_connect_accelerator("ToggleSizePaint");
+    command_connect_accelerator("ToggleCrosshairs");
+    command_connect_accelerator("ToggleSizePaint");
 }
 
 
-
-void Orthographic_constructPreferences(PreferencesPage& page)
+void Orthographic_constructPreferences(PreferencesPage &page)
 {
-  page.appendCheckBox("", "Solid selection boxes", g_xywindow_globals.m_bNoStipple);
-  page.appendCheckBox("", "Display size info", g_xywindow_globals_private.m_bSizePaint);
-  page.appendCheckBox("", "Chase mouse during drags", g_xywindow_globals_private.m_bChaseMouse);
-  page.appendCheckBox("", "Update views on camera move", g_xywindow_globals_private.m_bCamXYUpdate);
+    page.appendCheckBox("", "Solid selection boxes", g_xywindow_globals.m_bNoStipple);
+    page.appendCheckBox("", "Display size info", g_xywindow_globals_private.m_bSizePaint);
+    page.appendCheckBox("", "Chase mouse during drags", g_xywindow_globals_private.m_bChaseMouse);
+    page.appendCheckBox("", "Update views on camera move", g_xywindow_globals_private.m_bCamXYUpdate);
 }
-void Orthographic_constructPage(PreferenceGroup& group)
+
+void Orthographic_constructPage(PreferenceGroup &group)
 {
-  PreferencesPage page(group.createPage("Orthographic", "Orthographic View Preferences"));
-  Orthographic_constructPreferences(page);
+    PreferencesPage page(group.createPage("Orthographic", "Orthographic View Preferences"));
+    Orthographic_constructPreferences(page);
 }
+
 void Orthographic_registerPreferencesPage()
 {
-  PreferencesDialog_addSettingsPage(FreeCaller1<PreferenceGroup&, Orthographic_constructPage>());
+    PreferencesDialog_addSettingsPage(makeCallbackF(Orthographic_constructPage));
 }
 
-void Clipper_constructPreferences(PreferencesPagepage)
+void Clipper_constructPreferences(PreferencesPage &page)
 {
-  page.appendCheckBox("", "Clipper tool uses caulk", g_clip_useCaulk);
+    page.appendCheckBox("", "Clipper tool uses caulk", g_clip_useCaulk);
 }
-void Clipper_constructPage(PreferenceGroup& group)
+
+void Clipper_constructPage(PreferenceGroup &group)
 {
-  PreferencesPage page(group.createPage("Clipper", "Clipper Tool Settings"));
-  Clipper_constructPreferences(page);
+    PreferencesPage page(group.createPage("Clipper", "Clipper Tool Settings"));
+    Clipper_constructPreferences(page);
 }
+
 void Clipper_registerPreferencesPage()
 {
-  PreferencesDialog_addSettingsPage(FreeCaller1<PreferenceGroup&, Clipper_constructPage>());
+    PreferencesDialog_addSettingsPage(makeCallbackF(Clipper_constructPage));
 }
 
 
@@ -2917,78 +2891,89 @@ void Clipper_registerPreferencesPage()
 #include "stringio.h"
 
 
+struct ToggleShown_Bool {
+    static void Export(const ToggleShown &self, const Callback<void(bool)> &returnz)
+    {
+        returnz(self.active());
+    }
 
-
-void ToggleShown_importBool(ToggleShown& self, bool value)
-{
-  self.set(value);
-}
-typedef ReferenceCaller1<ToggleShown, bool, ToggleShown_importBool> ToggleShownImportBoolCaller;
-void ToggleShown_exportBool(const ToggleShown& self, const BoolImportCallback& importer)
-{
-  importer(self.active());
-}
-typedef ConstReferenceCaller1<ToggleShown, const BoolImportCallback&, ToggleShown_exportBool> ToggleShownExportBoolCaller;
+    static void Import(ToggleShown &self, bool value)
+    {
+        self.set(value);
+    }
+};
 
 
 void XYWindow_Construct()
 {
-  GlobalCommands_insert("ToggleCrosshairs", FreeCaller<ToggleShowCrosshair>(), Accelerator('X', (GdkModifierType)GDK_SHIFT_MASK));
-  GlobalCommands_insert("ToggleSizePaint", FreeCaller<ToggleShowSizeInfo>(), Accelerator('J'));
-  GlobalCommands_insert("ToggleGrid", FreeCaller<ToggleShowGrid>(), Accelerator('0'));
-
-  GlobalToggles_insert("ToggleView", ToggleShown::ToggleCaller(g_xy_top_shown), ToggleItem::AddCallbackCaller(g_xy_top_shown.m_item), Accelerator('V', (GdkModifierType)(GDK_SHIFT_MASK|GDK_CONTROL_MASK)));
-  GlobalToggles_insert("ToggleSideView", ToggleShown::ToggleCaller(g_yz_side_shown), ToggleItem::AddCallbackCaller(g_yz_side_shown.m_item));
-  GlobalToggles_insert("ToggleFrontView", ToggleShown::ToggleCaller(g_xz_front_shown), ToggleItem::AddCallbackCaller(g_xz_front_shown.m_item));
-  GlobalCommands_insert("NextView", FreeCaller<XY_Next>(), Accelerator(GDK_Tab, (GdkModifierType)GDK_CONTROL_MASK));
-  GlobalCommands_insert("ZoomIn", FreeCaller<XY_ZoomIn>(), Accelerator(GDK_Delete));
-  GlobalCommands_insert("ZoomOut", FreeCaller<XY_ZoomOut>(), Accelerator(GDK_Insert));
-  GlobalCommands_insert("ViewTop", FreeCaller<XY_Top>());
-  GlobalCommands_insert("ViewSide", FreeCaller<XY_Side>());
-  GlobalCommands_insert("ViewFront", FreeCaller<XY_Front>());
-  GlobalCommands_insert("Zoom100", FreeCaller<XY_Zoom100>());
-  GlobalCommands_insert("CenterXYView", FreeCaller<XY_Focus>(), Accelerator(GDK_Tab, (GdkModifierType)(GDK_SHIFT_MASK|GDK_CONTROL_MASK)));
-
-  GlobalPreferenceSystem().registerPreference("ClipCaulk", BoolImportStringCaller(g_clip_useCaulk), BoolExportStringCaller(g_clip_useCaulk));
-
-  GlobalPreferenceSystem().registerPreference("NewRightClick", BoolImportStringCaller(g_xywindow_globals.m_bRightClick), BoolExportStringCaller(g_xywindow_globals.m_bRightClick));
-  GlobalPreferenceSystem().registerPreference("ChaseMouse", BoolImportStringCaller(g_xywindow_globals_private.m_bChaseMouse), BoolExportStringCaller(g_xywindow_globals_private.m_bChaseMouse));
-  GlobalPreferenceSystem().registerPreference("SizePainting", BoolImportStringCaller(g_xywindow_globals_private.m_bSizePaint), BoolExportStringCaller(g_xywindow_globals_private.m_bSizePaint));
-  GlobalPreferenceSystem().registerPreference("NoStipple", BoolImportStringCaller(g_xywindow_globals.m_bNoStipple), BoolExportStringCaller(g_xywindow_globals.m_bNoStipple));
-  GlobalPreferenceSystem().registerPreference("SI_ShowCoords", BoolImportStringCaller(g_xywindow_globals_private.show_coordinates), BoolExportStringCaller(g_xywindow_globals_private.show_coordinates));
-  GlobalPreferenceSystem().registerPreference("SI_ShowOutlines", BoolImportStringCaller(g_xywindow_globals_private.show_outline), BoolExportStringCaller(g_xywindow_globals_private.show_outline));
-  GlobalPreferenceSystem().registerPreference("SI_ShowAxis", BoolImportStringCaller(g_xywindow_globals_private.show_axis), BoolExportStringCaller(g_xywindow_globals_private.show_axis));
-  GlobalPreferenceSystem().registerPreference("CamXYUpdate", BoolImportStringCaller(g_xywindow_globals_private.m_bCamXYUpdate), BoolExportStringCaller(g_xywindow_globals_private.m_bCamXYUpdate));
-  GlobalPreferenceSystem().registerPreference("ShowWorkzone", BoolImportStringCaller(g_xywindow_globals_private.d_show_work), BoolExportStringCaller(g_xywindow_globals_private.d_show_work));
-
-  GlobalPreferenceSystem().registerPreference("SI_AxisColors0", Vector3ImportStringCaller(g_xywindow_globals.AxisColorX), Vector3ExportStringCaller(g_xywindow_globals.AxisColorX));
-  GlobalPreferenceSystem().registerPreference("SI_AxisColors1", Vector3ImportStringCaller(g_xywindow_globals.AxisColorY), Vector3ExportStringCaller(g_xywindow_globals.AxisColorY));
-  GlobalPreferenceSystem().registerPreference("SI_AxisColors2", Vector3ImportStringCaller(g_xywindow_globals.AxisColorZ), Vector3ExportStringCaller(g_xywindow_globals.AxisColorZ));
-  GlobalPreferenceSystem().registerPreference("SI_Colors1", Vector3ImportStringCaller(g_xywindow_globals.color_gridback), Vector3ExportStringCaller(g_xywindow_globals.color_gridback));
-  GlobalPreferenceSystem().registerPreference("SI_Colors2", Vector3ImportStringCaller(g_xywindow_globals.color_gridminor), Vector3ExportStringCaller(g_xywindow_globals.color_gridminor));
-  GlobalPreferenceSystem().registerPreference("SI_Colors3", Vector3ImportStringCaller(g_xywindow_globals.color_gridmajor), Vector3ExportStringCaller(g_xywindow_globals.color_gridmajor));
-  GlobalPreferenceSystem().registerPreference("SI_Colors6", Vector3ImportStringCaller(g_xywindow_globals.color_gridblock), Vector3ExportStringCaller(g_xywindow_globals.color_gridblock));
-  GlobalPreferenceSystem().registerPreference("SI_Colors7", Vector3ImportStringCaller(g_xywindow_globals.color_gridtext), Vector3ExportStringCaller(g_xywindow_globals.color_gridtext));
-  GlobalPreferenceSystem().registerPreference("SI_Colors8", Vector3ImportStringCaller(g_xywindow_globals.color_brushes), Vector3ExportStringCaller(g_xywindow_globals.color_brushes));
-  GlobalPreferenceSystem().registerPreference("SI_Colors9", Vector3ImportStringCaller(g_xywindow_globals.color_selbrushes), Vector3ExportStringCaller(g_xywindow_globals.color_selbrushes));
-  GlobalPreferenceSystem().registerPreference("SI_Colors10", Vector3ImportStringCaller(g_xywindow_globals.color_clipper), Vector3ExportStringCaller(g_xywindow_globals.color_clipper));
-  GlobalPreferenceSystem().registerPreference("SI_Colors11", Vector3ImportStringCaller(g_xywindow_globals.color_viewname), Vector3ExportStringCaller(g_xywindow_globals.color_viewname));
-  GlobalPreferenceSystem().registerPreference("SI_Colors13", Vector3ImportStringCaller(g_xywindow_globals.color_gridminor_alt), Vector3ExportStringCaller(g_xywindow_globals.color_gridminor_alt));
-  GlobalPreferenceSystem().registerPreference("SI_Colors14", Vector3ImportStringCaller(g_xywindow_globals.color_gridmajor_alt), Vector3ExportStringCaller(g_xywindow_globals.color_gridmajor_alt));
-
-
-  GlobalPreferenceSystem().registerPreference("XZVIS", makeBoolStringImportCallback(ToggleShownImportBoolCaller(g_xz_front_shown)), makeBoolStringExportCallback(ToggleShownExportBoolCaller(g_xz_front_shown)));
-  GlobalPreferenceSystem().registerPreference("YZVIS", makeBoolStringImportCallback(ToggleShownImportBoolCaller(g_yz_side_shown)), makeBoolStringExportCallback(ToggleShownExportBoolCaller(g_yz_side_shown)));
-
-  Orthographic_registerPreferencesPage();
-  Clipper_registerPreferencesPage();
-
-  XYWnd::captureStates();
-  GlobalEntityClassManager().attach(g_EntityClassMenu);
+    GlobalCommands_insert("ToggleCrosshairs", makeCallbackF(ToggleShowCrosshair),
+                          Accelerator('X', (GdkModifierType) GDK_SHIFT_MASK));
+    GlobalCommands_insert("ToggleSizePaint", makeCallbackF(ToggleShowSizeInfo), Accelerator('J'));
+    GlobalCommands_insert("ToggleGrid", makeCallbackF(ToggleShowGrid), Accelerator('0'));
+
+    GlobalToggles_insert("ToggleView", ToggleShown::ToggleCaller(g_xy_top_shown),
+                         ToggleItem::AddCallbackCaller(g_xy_top_shown.m_item),
+                         Accelerator('V', (GdkModifierType) (GDK_SHIFT_MASK | GDK_CONTROL_MASK)));
+    GlobalToggles_insert("ToggleSideView", ToggleShown::ToggleCaller(g_yz_side_shown),
+                         ToggleItem::AddCallbackCaller(g_yz_side_shown.m_item));
+    GlobalToggles_insert("ToggleFrontView", ToggleShown::ToggleCaller(g_xz_front_shown),
+                         ToggleItem::AddCallbackCaller(g_xz_front_shown.m_item));
+    GlobalCommands_insert("NextView", makeCallbackF(XY_Next), Accelerator(GDK_KEY_Tab,
+                                                                          (GdkModifierType) GDK_CONTROL_MASK)); // fixme: doesn't show its shortcut
+    GlobalCommands_insert("ZoomIn", makeCallbackF(XY_ZoomIn), Accelerator(GDK_KEY_Delete));
+    GlobalCommands_insert("ZoomOut", makeCallbackF(XY_ZoomOut), Accelerator(GDK_KEY_Insert));
+    GlobalCommands_insert("ViewTop", makeCallbackF(XY_Top), Accelerator(GDK_KEY_KP_Home));
+    GlobalCommands_insert("ViewSide", makeCallbackF(XY_Side), Accelerator(GDK_KEY_KP_Page_Down));
+    GlobalCommands_insert("ViewFront", makeCallbackF(XY_Front), Accelerator(GDK_KEY_KP_End));
+    GlobalCommands_insert("Zoom100", makeCallbackF(XY_Zoom100));
+    GlobalCommands_insert("CenterXYView", makeCallbackF(XY_Focus),
+                          Accelerator(GDK_KEY_Tab, (GdkModifierType) (GDK_SHIFT_MASK | GDK_CONTROL_MASK)));
+
+    GlobalPreferenceSystem().registerPreference("ClipCaulk", make_property_string(g_clip_useCaulk));
+
+    GlobalPreferenceSystem().registerPreference("NewRightClick",
+                                                make_property_string(g_xywindow_globals.m_bRightClick));
+    GlobalPreferenceSystem().registerPreference("ChaseMouse",
+                                                make_property_string(g_xywindow_globals_private.m_bChaseMouse));
+    GlobalPreferenceSystem().registerPreference("SizePainting",
+                                                make_property_string(g_xywindow_globals_private.m_bSizePaint));
+    GlobalPreferenceSystem().registerPreference("NoStipple", make_property_string(g_xywindow_globals.m_bNoStipple));
+    GlobalPreferenceSystem().registerPreference("SI_ShowCoords",
+                                                make_property_string(g_xywindow_globals_private.show_coordinates));
+    GlobalPreferenceSystem().registerPreference("SI_ShowOutlines",
+                                                make_property_string(g_xywindow_globals_private.show_outline));
+    GlobalPreferenceSystem().registerPreference("SI_ShowAxis",
+                                                make_property_string(g_xywindow_globals_private.show_axis));
+    GlobalPreferenceSystem().registerPreference("CamXYUpdate",
+                                                make_property_string(g_xywindow_globals_private.m_bCamXYUpdate));
+    GlobalPreferenceSystem().registerPreference("ShowWorkzone",
+                                                make_property_string(g_xywindow_globals_private.d_show_work));
+
+    GlobalPreferenceSystem().registerPreference("SI_AxisColors0", make_property_string(g_xywindow_globals.AxisColorX));
+    GlobalPreferenceSystem().registerPreference("SI_AxisColors1", make_property_string(g_xywindow_globals.AxisColorY));
+    GlobalPreferenceSystem().registerPreference("SI_AxisColors2", make_property_string(g_xywindow_globals.AxisColorZ));
+    GlobalPreferenceSystem().registerPreference("SI_Colors1", make_property_string(g_xywindow_globals.color_gridback));
+    GlobalPreferenceSystem().registerPreference("SI_Colors2", make_property_string(g_xywindow_globals.color_gridminor));
+    GlobalPreferenceSystem().registerPreference("SI_Colors3", make_property_string(g_xywindow_globals.color_gridmajor));
+    GlobalPreferenceSystem().registerPreference("SI_Colors6", make_property_string(g_xywindow_globals.color_gridblock));
+    GlobalPreferenceSystem().registerPreference("SI_Colors7", make_property_string(g_xywindow_globals.color_gridtext));
+    GlobalPreferenceSystem().registerPreference("SI_Colors8", make_property_string(g_xywindow_globals.color_brushes));
+    GlobalPreferenceSystem().registerPreference("SI_Colors14",
+                                                make_property_string(g_xywindow_globals.color_gridmajor_alt));
+
+
+    GlobalPreferenceSystem().registerPreference("XZVIS", make_property_string<ToggleShown_Bool>(g_xz_front_shown));
+    GlobalPreferenceSystem().registerPreference("YZVIS", make_property_string<ToggleShown_Bool>(g_yz_side_shown));
+
+    Orthographic_registerPreferencesPage();
+    Clipper_registerPreferencesPage();
+
+    XYWnd::captureStates();
+    GlobalEntityClassManager().attach(g_EntityClassMenu);
 }
 
 void XYWindow_Destroy()
 {
-  GlobalEntityClassManager().detach(g_EntityClassMenu);
-  XYWnd::releaseStates();
+    GlobalEntityClassManager().detach(g_EntityClassMenu);
+    XYWnd::releaseStates();
 }