]> de.git.xonotic.org Git - xonotic/netradiant.git/blobdiff - radiant/xywindow.cpp
reformat code! now the code is only ugly on the *inside*
[xonotic/netradiant.git] / radiant / xywindow.cpp
index 54d121f3907975f9205bcc95a43e5e6f21f7264d..2bd7fe24aa56f9f12397b8c226ee77d7f1c82292 100644 (file)
 #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;
-};
+    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 );
+    void Draw(int num, float scale);
+
 /*! Draw clip/path point with rasterized string label */
-void Draw( const char *label, float scale );
+    void Draw(const char *label, float scale);
 };
 
 VIEWTYPE g_clip_viewtype;
@@ -115,423 +123,451 @@ 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 );
-}
-
-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 );
-
-       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 );
-}
-
-float fDiff( float f1, float f2 ){
-       if ( f1 > f2 ) {
-               return f1 - f2;
-       }
-       else{
-               return f2 - f1;
-       }
-}
-
-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;
+void ClipPoint::Draw(int num, float scale)
+{
+    StringOutputStream label(4);
+    label << num;
+    Draw(label.c_str(), scale);
 }
 
-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;
-               }
-       }
-}
+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);
 
-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;
-}
+    float offset = 2.0f / scale;
 
-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 label
+    glRasterPos3f(m_ptClip[0] + offset, m_ptClip[1] + offset, m_ptClip[2] + offset);
+    glCallLists(GLsizei(strlen(label)), GL_UNSIGNED_BYTE, label);
 }
 
-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];
-               }
-       }
+float fDiff(float f1, float f2)
+{
+    if (f1 > f2) {
+        return f1 - f2;
+    } else {
+        return f2 - f1;
+    }
 }
 
-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] );
-               }
-               Scene_BrushSetClipPlane( GlobalSceneGraph(), plane3_for_points( planepts[0], planepts[1], planepts[2] ) );
-       }
-       ClipperChangeNotify();
+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;
+}
+
+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;
+        }
+    }
 }
 
-const char* Clip_getShader(){
-       return g_clip_useCaulk ? "textures/common/caulk" : TextureBrowser_GetSelectedShader( GlobalTextureBrowser() );
+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;
 }
 
-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();
-       }
+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);
+    }
+}
+
+inline bool GlobalClipPoints_valid()
+{
+    return g_Clip1.Set() && g_Clip2.Set();
 }
 
-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();
-       }
+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]);
+        }
+        Scene_BrushSetClipPlane(GlobalSceneGraph(), plane3_for_points(planepts[0], planepts[1], planepts[2]));
+    }
+    ClipperChangeNotify();
+}
+
+const char *Clip_getShader()
+{
+    return g_clip_useCaulk ? "textures/common/caulk" : TextureBrowser_GetSelectedShader(GlobalTextureBrowser());
 }
 
-void FlipClip(){
-       g_bSwitch = !g_bSwitch;
-       Clip_Update();
-       ClipperChangeNotify();
+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();
+    }
+}
+
+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();
+    }
+}
+
+void FlipClip()
+{
+    g_bSwitch = !g_bSwitch;
+    Clip_Update();
+    ClipperChangeNotify();
 }
 
-void OnClipMode( bool enabled ){
-       g_Clip1.Reset();
-       g_Clip2.Reset();
-       g_Clip3.Reset();
-
-       if ( !enabled && g_pMovingClip ) {
-               g_pMovingClip = 0;
-       }
+void OnClipMode(bool enabled)
+{
+    g_Clip1.Reset();
+    g_Clip2.Reset();
+    g_Clip3.Reset();
 
-       Clip_Update();
-       ClipperChangeNotify();
-}
+    if (!enabled && g_pMovingClip) {
+        g_pMovingClip = 0;
+    }
 
-bool ClipMode(){
-       return GlobalSelectionSystem().ManipulatorMode() == SelectionSystem::eClip;
+    Clip_Update();
+    ClipperChangeNotify();
 }
 
-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();
+bool ClipMode()
+{
+    return GlobalSelectionSystem().ManipulatorMode() == SelectionSystem::eClip;
 }
 
-
-
-struct xywindow_globals_private_t
+void NewClipPoint(const Vector3 &point)
 {
-       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;
-
-       bool d_show_work;
-
-       bool show_blocks;
-       int blockSize;
-
-       bool m_bCamXYUpdate;
-       bool m_bChaseMouse;
-       bool m_bSizePaint;
-
-       xywindow_globals_private_t() :
-               d_showgrid( true ),
-
-               show_names( false ),
-               show_coordinates( true ),
-               show_angles( true ),
-               show_outline( false ),
-               show_axis( true ),
-
-               d_show_work( false ),
-
-               show_blocks( false ),
-
-               m_bCamXYUpdate( true ),
-               m_bChaseMouse( true ),
-               m_bSizePaint( true ){
-       }
+    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();
+}
+
+
+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;
+
+    bool d_show_work;
+
+    bool show_blocks;
+    int blockSize;
+
+    bool m_bCamXYUpdate;
+    bool m_bChaseMouse;
+    bool m_bSizePaint;
+
+    xywindow_globals_private_t() :
+            d_showgrid(true),
+
+            show_names(false),
+            show_coordinates(true),
+            show_angles(true),
+            show_outline(false),
+            show_axis(true),
+
+            d_show_work(false),
+
+            show_blocks(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;
-}
-
-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;
-}
-
-inline unsigned int buttons_for_button_and_modifiers( ButtonIdentifier button, ModifierFlags flags ){
-       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_modifierShift ) ) {
-               buttons |= RAD_SHIFT;
-       }
-
-       if ( bitfield_enabled( flags, c_modifierAlt ) ) {
-               buttons |= RAD_ALT;
-       }
-
-       return buttons;
-}
-
-inline unsigned int buttons_for_event_button( GdkEventButton* event ){
-       unsigned int flags = 0;
+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;
+}
+
+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;
+}
+
+inline unsigned int buttons_for_button_and_modifiers(ButtonIdentifier button, ModifierFlags flags)
+{
+    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_modifierShift)) {
+        buttons |= RAD_SHIFT;
+    }
+
+    if (bitfield_enabled(flags, c_modifierAlt)) {
+        buttons |= RAD_ALT;
+    }
+
+    return buttons;
+}
+
+inline unsigned int buttons_for_event_button(GdkEventButton *event)
+{
+    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;
+inline unsigned int buttons_for_state(guint state)
+{
+    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 );
+void XYWnd::SetScale(float f)
+{
+    m_fScale = f;
+    updateProjection();
+    updateModelview();
+    XYWnd_Update(*this);
 }
 
-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 );
-               }
-       }
-       else
-       {
-               xy->SetScale( scale );
-       }
+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);
+        }
+    } 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( 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 );
-               }
-       }
-       else
-       {
-               xy->SetScale( scale );
-       }
-}
-
-VIEWTYPE GlobalXYWnd_getCurrentViewType(){
-       ASSERT_NOTNULL( g_pParentWnd );
-       ASSERT_NOTNULL( g_pParentWnd->ActiveXY() );
-       return g_pParentWnd->ActiveXY()->GetViewType();
+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);
+        }
+    } else {
+        xy->SetScale(scale);
+    }
+}
+
+VIEWTYPE GlobalXYWnd_getCurrentViewType()
+{
+    ASSERT_NOTNULL(g_pParentWnd);
+    ASSERT_NOTNULL(g_pParentWnd->ActiveXY());
+    return g_pParentWnd->ActiveXY()->GetViewType();
 }
 
 // =============================================================================
@@ -544,7 +580,7 @@ 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(){
+                                                                                                                        void WXY_Print(){
        long width, height;
        width = g_pParentWnd->ActiveXY()->Width();
        height = g_pParentWnd->ActiveXY()->Height();
@@ -632,362 +668,387 @@ void WXY_Print(){
 
 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 ) );
+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));
 
-       //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;
+gboolean xywnd_chasemouse(gpointer data)
+{
+    reinterpret_cast<XYWnd *>( data )->ChaseMouse();
+    return TRUE;
 }
 
-inline const int& min_int( const int& left, const int& right ){
-       return std::min( left, right );
+inline const int &min_int(const int &left, const int &right)
+{
+    return std::min(left, right);
 }
 
-bool XYWnd::chaseMouseMotion( int pointx, int pointy ){
-       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 ( 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 ( 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;
+bool XYWnd::chaseMouseMotion(int pointx, int pointy)
+{
+    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 (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 (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;
 }
 
 // =============================================================================
 // XYWnd class
-ShaderXYWnd::m_state_selected = 0;
+Shader *XYWnd::m_state_selected = 0;
 
-void xy_update_xor_rectangle( XYWnd& self, rect_t area ){
-       if ( self.GetWidget().visible() ) {
-               self.m_XORRectangle.set( rectangle_from_area( area.min, area.max, self.Width(), self.Height() ) );
-       }
+void xy_update_xor_rectangle(XYWnd &self, rect_t area)
+{
+    if (self.GetWidget().visible()) {
+        self.m_XORRectangle.set(rectangle_from_area(area.min, area.max, self.Width(), self.Height()));
+    }
 }
 
-gboolean xywnd_button_press( ui::Widget widget, GdkEventButton* event, XYWnd* xywnd ){
-       if ( event->type == GDK_BUTTON_PRESS ) {
-               g_pParentWnd->SetActiveXY( xywnd );
+gboolean xywnd_button_press(ui::Widget widget, GdkEventButton *event, XYWnd *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( 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 ) );
+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));
 
-               xywnd->ButtonState_onMouseUp( buttons_for_event_button( event ) );
-       }
-       return FALSE;
+        xywnd->ButtonState_onMouseUp(buttons_for_event_button(event));
+    }
+    return FALSE;
 }
 
-gboolean xywnd_focus_in( ui::Widget widget, GdkEventFocus* event, XYWnd* xywnd ){
-       if ( event->type == GDK_FOCUS_CHANGE ) {
-               if ( event->in ) {
-                       g_pParentWnd->SetActiveXY( xywnd );
-               }
-       }
-       return FALSE;
+gboolean xywnd_focus_in(ui::Widget widget, GdkEventFocus *event, XYWnd *xywnd)
+{
+    if (event->type == GDK_FOCUS_CHANGE) {
+        if (event->in) {
+            g_pParentWnd->SetActiveXY(xywnd);
+        }
+    }
+    return FALSE;
 }
 
-void xywnd_motion( gdouble x, gdouble y, guint state, void* data ){
-       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 ) );
+void xywnd_motion(gdouble x, gdouble y, guint state, void *data)
+{
+    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_wheel_scroll( ui::Widget widget, GdkEventScroll* event, XYWnd* xywnd ){
-       if ( event->direction == GDK_SCROLL_UP ) {
-               XYWnd_ZoomIn( xywnd );
-       }
-       else if ( event->direction == GDK_SCROLL_DOWN ) {
-               XYWnd_ZoomOut( xywnd );
-       }
-       return FALSE;
+gboolean xywnd_wheel_scroll(ui::Widget widget, GdkEventScroll *event, XYWnd *xywnd)
+{
+    if (event->direction == GDK_SCROLL_UP) {
+        XYWnd_ZoomIn(xywnd);
+    } else if (event->direction == GDK_SCROLL_DOWN) {
+        XYWnd_ZoomOut(xywnd);
+    }
+    return FALSE;
 }
 
-gboolean xywnd_size_allocate( ui::Widget widget, GtkAllocation* allocation, 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;
+gboolean xywnd_size_allocate(ui::Widget widget, GtkAllocation *allocation, 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;
 }
 
-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();
+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() );
-               }
-               glwidget_swap_buffers( xywnd->GetWidget() );
-       }
-       return FALSE;
+            xywnd->m_XORRectangle.set(rectangle_t());
+        }
+        glwidget_swap_buffers(xywnd->GetWidget());
+    }
+    return FALSE;
 }
 
 
-void XYWnd_CameraMoved( XYWnd& xywnd ){
-       if ( g_xywindow_globals_private.m_bCamXYUpdate ) {
-               XYWnd_Update( xywnd );
-       }
+void XYWnd_CameraMoved(XYWnd &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( ui::null ),
-       m_window_observer( NewWindowObserver() ),
-       m_XORRectangle( m_gl_widget ),
-       m_chasemouse_handler( 0 ){
-       m_bActive = false;
-       m_buttonstate = 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_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 = ui::Menu(ui::null);
+    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( ReferenceCaller<XYWnd, void(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);
 
-       g_object_ref( m_gl_widget._handle );
+    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_can_focus( m_gl_widget, true );
+    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 = m_gl_widget.connect( "size_allocate", G_CALLBACK( xywnd_size_allocate ), this );
-       m_exposeHandler = m_gl_widget.on_render( 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);
 
-       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 );
+    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);
 
-       m_gl_widget.connect( "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, void(), &XYWnd_Update>( *this ) );
-       AddCameraMovedCallback( ReferenceCaller<XYWnd, void(), &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();
+XYWnd::~XYWnd()
+{
+    onDestroyed();
 
-       if ( m_mnuDrop ) {
-               m_mnuDrop.destroy();
-               m_mnuDrop = ui::Menu(ui::null);
-       }
+    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);
 
-       m_gl_widget.unref();
+    m_gl_widget.unref();
 
-       m_window_observer->release();
+    m_window_observer->release();
 }
 
-void XYWnd::captureStates(){
-       m_state_selected = GlobalShaderCache().capture( "$XY_OVERLAY" );
+void XYWnd::captureStates()
+{
+    m_state_selected = GlobalShaderCache().capture("$XY_OVERLAY");
 }
 
-void XYWnd::releaseStates(){
-       GlobalShaderCache().release( "$XY_OVERLAY" );
+void XYWnd::releaseStates()
+{
+    GlobalShaderCache().release("$XY_OVERLAY");
 }
 
-const Vector3& XYWnd::GetOrigin(){
-       return m_vOrigin;
+const Vector3 &XYWnd::GetOrigin()
+{
+    return m_vOrigin;
 }
 
-void XYWnd::SetOrigin( const Vector3& origin ){
-       m_vOrigin = origin;
-       updateModelview();
+void XYWnd::SetOrigin(const Vector3 &origin)
+{
+    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();
+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();
 }
 
-unsigned int Clipper_buttons(){
-       return RAD_LBUTTON;
+unsigned int Clipper_buttons()
+{
+    return RAD_LBUTTON;
 }
 
-void XYWnd::DropClipPoint( int pointx, int pointy ){
-       Vector3 point;
+void XYWnd::DropClipPoint(int pointx, int pointy)
+{
+    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, GetSnapGridSize() );
-       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 );
-       }
+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);
+    }
 }
 
-void XYWnd::Clipper_OnLButtonUp( int x, int y ){
-       if ( g_pMovingClip ) {
-               g_pMovingClip = 0;
-       }
+void XYWnd::Clipper_OnLButtonUp(int x, int y)
+{
+    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();
-       }
+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();
+    }
 }
 
-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( 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 );
-       }
+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(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);
 }
 
-unsigned int MoveCamera_buttons(){
-       return RAD_CONTROL | ( g_glwindow_globals.m_nMouseType == ETwoButton ? RAD_RBUTTON : RAD_MBUTTON );
+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);
 }
 
-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 );
+unsigned int OrientCamera_buttons()
+{
+    if (g_glwindow_globals.m_nMouseType == ETwoButton) {
+        return RAD_RBUTTON | RAD_SHIFT | RAD_CONTROL;
+    }
+    return RAD_MBUTTON;
 }
 
-unsigned int OrientCamera_buttons(){
-       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 ){
-       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 );
-       }
+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));
+
+    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);
+    }
 }
 
 /*
@@ -995,509 +1056,528 @@ void XYWnd_OrientCamera( XYWnd* xywnd, int x, int y, CamWnd& camwnd ){
    NewBrushDrag
    ==============
  */
-unsigned int NewBrushDrag_buttons(){
-       return RAD_LBUTTON;
+unsigned int NewBrushDrag_buttons()
+{
+    return RAD_LBUTTON;
 }
 
-void XYWnd::NewBrushDrag_Begin( int x, int y ){
-       m_NewBrushDrag = 0;
-       m_nNewBrushPressx = x;
-       m_nNewBrushPressy = y;
+void XYWnd::NewBrushDrag_Begin(int x, int 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" );
-       }
+void XYWnd::NewBrushDrag_End(int x, int y)
+{
+    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 );
-
-       int nDim = ( m_viewType == XY ) ? 2 : ( m_viewType == YZ ) ? 0 : 1;
+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);
+
+    int nDim = (m_viewType == XY) ? 2 : (m_viewType == YZ) ? 0 : 1;
+
+    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();
+    }
+
+    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);
+
+        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();
+    }
+
+    // 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(ui::Widget item)
+{
+    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))));
 
-       mins[nDim] = float_snapped( Select_getWorkZone().d_work_min[nDim], GetSnapGridSize() );
-       maxs[nDim] = float_snapped( Select_getWorkZone().d_work_max[nDim], GetSnapGridSize() );
+    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);
+    }
+}
 
-       if ( maxs[nDim] <= mins[nDim] ) {
-               maxs[nDim] = mins[nDim] + GetGridSize();
-       }
+void EntityClassMenu_addItem(ui::Menu menu, const char *name)
+{
+    auto item = ui::MenuItem(name);
+    item.connect("activate", G_CALLBACK(entitycreate_activated), item);
+    item.show();
+    menu_add_item(menu, item);
+}
 
-       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;
-               }
-       }
+class EntityClassMenuInserter : public EntityClassVisitor {
+    typedef std::pair<ui::Menu, CopiedString> MenuPair;
+    typedef std::vector<MenuPair> MenuStack;
+    MenuStack m_stack;
+    CopiedString m_previous;
+public:
+    EntityClassMenuInserter(ui::Menu menu)
+    {
+        m_stack.reserve(2);
+        m_stack.push_back(MenuPair(menu, ""));
+    }
+
+    ~EntityClassMenuInserter()
+    {
+        if (!string_empty(m_previous.c_str())) {
+            addItem(m_previous.c_str(), "");
+        }
+    }
+
+    void visit(EntityClass *e)
+    {
+        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());
+        }
+        m_previous = e->name();
+    }
+
+    void pushMenu(const CopiedString &name)
+    {
+        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));
+    }
+
+    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);
+    }
+};
 
-       if ( m_NewBrushDrag == 0 ) {
-               NodeSmartReference node( GlobalBrushCreator().createBrush() );
-               Node_getTraversable( Map_FindOrInsertWorldspawn( g_map ) )->insert( node );
+void XYWnd::OnContextMenu()
+{
+    if (g_xywindow_globals.m_bRightClick == false) {
+        return;
+    }
 
-               scene::Path brushpath( makeReference( GlobalSceneGraph().root() ) );
-               brushpath.push( makeReference( *Map_GetWorldspawn( g_map ) ) );
-               brushpath.push( makeReference( node.get() ) );
-               selectPath( brushpath, true );
+    if (!m_mnuDrop) { // first time, load it up
+        auto menu = m_mnuDrop = ui::Menu(ui::New);
 
-               m_NewBrushDrag = node.get_pointer();
-       }
+        EntityClassMenuInserter inserter(menu);
+        GlobalEntityClassManager().forEach(inserter);
+    }
 
-       // 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() ) );
+    gtk_menu_popup(m_mnuDrop, 0, 0, 0, 0, 1, GDK_CURRENT_TIME);
 }
 
-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_get_child(GTK_BIN( item )) ) );
+FreezePointer g_xywnd_freezePointer;
 
-       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 );
-       }
+unsigned int Move_buttons()
+{
+    return RAD_RBUTTON;
 }
 
-void EntityClassMenu_addItem( ui::Menu menu, const char* name ){
-       auto item = ui::MenuItem( name );
-       item.connect( "activate", G_CALLBACK( entitycreate_activated ), item );
-       item.show();
-       menu_add_item( menu, item );
+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);
 }
 
-class EntityClassMenuInserter : public EntityClassVisitor
+gboolean XYWnd_Move_focusOut(ui::Widget widget, GdkEventFocus *event, XYWnd *xywnd)
 {
-typedef std::pair<ui::Menu, CopiedString> MenuPair;
-typedef std::vector<MenuPair> MenuStack;
-MenuStack m_stack;
-CopiedString m_previous;
-public:
-EntityClassMenuInserter( ui::Menu menu ){
-       m_stack.reserve( 2 );
-       m_stack.push_back( MenuPair( menu, "" ) );
+    xywnd->Move_End();
+    return FALSE;
 }
-~EntityClassMenuInserter(){
-       if ( !string_empty( m_previous.c_str() ) ) {
-               addItem( m_previous.c_str(), "" );
-       }
+
+void XYWnd::Move_Begin()
+{
+    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 visit( EntityClass* e ){
-       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() );
-       }
-       m_previous = e->name();
+
+void XYWnd::Move_End()
+{
+    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;
 }
-void pushMenu( const CopiedString& name ){
-       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  );
+int g_dragZoom = 0;
 
-       m_stack.push_back( MenuPair( submenu, name ) );
+void XYWnd_zoomDelta(int x, int y, unsigned int state, void *data)
+{
+    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;
+            }
+        }
+    }
+}
+
+gboolean XYWnd_Zoom_focusOut(ui::Widget widget, GdkEventFocus *event, XYWnd *xywnd)
+{
+    xywnd->Zoom_End();
+    return FALSE;
 }
-void popMenu(){
-       m_stack.pop_back();
+
+void XYWnd::Zoom_Begin()
+{
+    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 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();
+void XYWnd::Zoom_End()
+{
+    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);
+}
 
-               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();
-       }
+// makes sure the selected brush or camera is in view
+void XYWnd::PositionView(const Vector3 &position)
+{
+    int nDim1 = (m_viewType == YZ) ? 1 : 0;
+    int nDim2 = (m_viewType == XY) ? 1 : 2;
 
-       EntityClassMenu_addItem( m_stack.back().first, name );
-}
-};
+    m_vOrigin[nDim1] = position[nDim1];
+    m_vOrigin[nDim2] = position[nDim2];
 
-void XYWnd::OnContextMenu(){
-       if ( g_xywindow_globals.m_bRightClick == false ) {
-               return;
-       }
+    updateModelview();
 
-       if ( !m_mnuDrop ) { // first time, load it up
-               auto menu = m_mnuDrop = ui::Menu(ui::New);
+    XYWnd_Update(*this);
+}
 
-               EntityClassMenuInserter inserter( menu );
-               GlobalEntityClassManager().forEach( inserter );
-       }
+void XYWnd::SetViewType(VIEWTYPE viewType)
+{
+    m_viewType = viewType;
+    updateModelview();
 
-       gtk_menu_popup( m_mnuDrop, 0, 0, 0, 0, 1, GDK_CURRENT_TIME );
+    if (m_parent) {
+        gtk_window_set_title(m_parent, ViewType_getTitle(m_viewType));
+    }
 }
 
-FreezePointer g_xywnd_freezePointer;
 
-unsigned int Move_buttons(){
-       return RAD_RBUTTON;
+inline WindowVector WindowVector_forInteger(int x, int y)
+{
+    return WindowVector(static_cast<float>( x ), static_cast<float>( y ));
 }
 
-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 );
+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));
 }
 
-gboolean XYWnd_Move_focusOut( ui::Widget widget, GdkEventFocus* event, XYWnd* xywnd ){
-       xywnd->Move_End();
-       return FALSE;
+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);
+        }
+
+        Clipper_Crosshair_OnMouseMoved(x, y);
+    }
+}
+
+void XYWnd::EntityCreate_MouseDown(int x, int y)
+{
+    m_entityCreate = true;
+    m_entityCreate_x = x;
+    m_entityCreate_y = y;
 }
 
-void XYWnd::Move_Begin(){
-       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::EntityCreate_MouseMove(int x, int y)
+{
+    if (m_entityCreate && (m_entityCreate_x != x || m_entityCreate_y != y)) {
+        m_entityCreate = false;
+    }
 }
 
-void XYWnd::Move_End(){
-       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 );
+void XYWnd::EntityCreate_MouseUp(int x, int y)
+{
+    if (m_entityCreate) {
+        m_entityCreate = false;
+        OnContextMenu();
+    }
 }
 
-unsigned int Zoom_buttons(){
-       return RAD_RBUTTON | RAD_SHIFT;
+inline float screen_normalised(int pos, unsigned int size)
+{
+    return ((2.0f * pos) / size) - 1.0f;
 }
 
-int g_dragZoom = 0;
-
-void XYWnd_zoomDelta( int x, int y, unsigned int state, void* data ){
-       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;
-                       }
-               }
-       }
-}
-
-gboolean XYWnd_Zoom_focusOut( ui::Widget widget, GdkEventFocus* event, XYWnd* xywnd ){
-       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 ? 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 ? 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 Vector3& position ){
-       int nDim1 = ( m_viewType == YZ ) ? 1 : 0;
-       int nDim2 = ( m_viewType == XY ) ? 1 : 2;
-
-       m_vOrigin[nDim1] = position[nDim1];
-       m_vOrigin[nDim2] = position[nDim2];
-
-       updateModelview();
-
-       XYWnd_Update( *this );
-}
-
-void XYWnd::SetViewType( VIEWTYPE viewType ){
-       m_viewType = viewType;
-       updateModelview();
-
-       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 ) );
-       }
-}
-
-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 );
-               }
-
-               Clipper_Crosshair_OnMouseMoved( x, y );
-       }
-}
-
-void XYWnd::EntityCreate_MouseDown( int x, int 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;
-       }
-}
-
-void XYWnd::EntityCreate_MouseUp( int x, int y ){
-       if ( m_entityCreate ) {
-               m_entityCreate = false;
-               OnContextMenu();
-       }
-}
-
-inline float screen_normalised( int pos, unsigned int size ){
-       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;
-}
+inline float normalised_to_world(float normalised, float world_origin, float 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], 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";
-       }
-
-       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;
-       }
-
-       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 ){
-       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 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";
+    }
+
+    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;
+    }
+
+    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)
+{
+    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 ) {
-               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;
-       }
+void WXY_BackgroundSelect(void)
+{
+    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 = MainFrame_getWindow().file_dialog( 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);
+    }
 }
 
 /*
@@ -1514,247 +1594,254 @@ void WXY_BackgroundSelect( void ){
    ==============
  */
 
-double two_to_the_power( int 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] );
-       }
+double two_to_the_power(int power)
+{
+    return pow(2.0f, power);
 }
 
-void XYWnd::XY_DrawBackground( void ){
-       glPushAttrib( GL_ALL_ATTRIB_BITS );
+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]);
+    }
+}
+
+void XYWnd::XY_DrawBackground(void)
+{
+    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, a;
-       char text[32];
-       float step, minor_step, stepx, stepy;
-       step = minor_step = stepx = stepy = GetGridSize();
-
-       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;
-
-       a = ( ( GetSnapGridSize() > 0.0f ) ? 1.0f : 0.3f );
-
-       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 || 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();
-       }
+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;
+
+    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;
+    }
+
+    a = ((GetSnapGridSize() > 0.0f) ? 1.0f : 0.3f);
+
+    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 || 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();
+    }
 }
 
 /*
@@ -1762,429 +1849,446 @@ void XYWnd::XY_DrawGrid( void ) {
    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 );
-               }
-       }
-
-       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 ){
-       float x, y, fov, box;
-       double a;
-
-       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] );
-       }
-
-       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();
-
-}
-
-
-float Betwixt( float f1, float f2 ){
-       if ( f1 > f2 ) {
-               return f2 + ( ( f1 - f2 ) / 2 );
-       }
-       else{
-               return f1 + ( ( f2 - f1 ) / 2 );
-       }
+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);
+        }
+    }
+
+    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)
+{
+    float x, y, fov, box;
+    double a;
+
+    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]);
+    }
+
+    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();
+
+}
+
+
+float Betwixt(float f1, float f2)
+{
+    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 ){
-       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:", } };
+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:",}};
 
-       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 ){
-       }
-       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() );
-}
+class XYRenderer : public Renderer {
+    struct state_type {
+        state_type() :
+                m_highlight(0),
+                m_state(0)
+        {
+        }
 
-void SetState( Shader* state, EStyle style ){
-       ASSERT_NOTNULL( state );
-       if ( style == eWireframeOnly ) {
-               m_state_stack.back().m_state = state;
-       }
-}
-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 ) {
-               m_state_selected->addRenderable( renderable, localToWorld );
-       }
-       else
-       {
-               m_state_stack.back().m_state->addRenderable( renderable, localToWorld );
-       }
-}
+        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;
+        }
+    }
+
+    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) {
+            m_state_selected->addRenderable(renderable, localToWorld);
+        } else {
+            m_state_stack.back().m_state->addRenderable(renderable, localToWorld);
+        }
+    }
+
+    void render(const Matrix4 &modelview, const Matrix4 &projection)
+    {
+        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 );
+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[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 );
+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);
 }
 
 /*
@@ -2195,531 +2299,588 @@ void XYWnd::updateModelview(){
 
 //#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
-       //
-
-       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();
-
-       if ( g_xywindow_globals_private.show_blocks ) {
-               XY_DrawBlockGrid();
-       }
-
-       glLoadMatrixf( reinterpret_cast<const float*>( &m_modelview ) );
-
-       unsigned int globalstate = RENDER_COLOURARRAY | RENDER_COLOURWRITE | RENDER_POLYGONSMOOTH | RENDER_LINESMOOTH;
-       if ( !g_xywindow_globals.m_bNoStipple ) {
-               globalstate |= RENDER_LINESTIPPLE;
-       }
-
-       {
-               XYRenderer renderer( globalstate, m_state_selected );
-
-               Scene_Render( renderer, m_view );
-
-               GlobalOpenGL_debugAssertNoErrors();
-               renderer.render( m_modelview, m_projection );
-               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 );
-               }
-               glEnd();
-       }
-
-       if ( ClipMode() ) {
-               GlobalClipPoints_Draw( m_fScale );
-       }
-
-       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();
-               }
-       }
-
-       GlobalOpenGL_debugAssertNoErrors();
-
-       glFinish();
-}
-
-void XYWnd_MouseToPoint( XYWnd* xywnd, int x, int y, Vector3& 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() );
-}
+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
+    //
+
+    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();
+
+    if (g_xywindow_globals_private.show_blocks) {
+        XY_DrawBlockGrid();
+    }
+
+    glLoadMatrixf(reinterpret_cast<const float *>( &m_modelview ));
+
+    unsigned int globalstate = RENDER_COLOURARRAY | RENDER_COLOURWRITE | RENDER_POLYGONSMOOTH | RENDER_LINESMOOTH;
+    if (!g_xywindow_globals.m_bNoStipple) {
+        globalstate |= RENDER_LINESTIPPLE;
+    }
+
+    {
+        XYRenderer renderer(globalstate, m_state_selected);
+
+        Scene_Render(renderer, m_view);
+
+        GlobalOpenGL_debugAssertNoErrors();
+        renderer.render(m_modelview, m_projection);
+        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);
+        }
+        glEnd();
+    }
+
+    if (ClipMode()) {
+        GlobalClipPoints_Draw(m_fScale);
+    }
+
+    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();
+        }
+    }
+
+    GlobalOpenGL_debugAssertNoErrors();
+
+    glFinish();
+}
+
+void XYWnd_MouseToPoint(XYWnd *xywnd, int x, int y, Vector3 &point)
+{
+    xywnd->XY_ToPoint(x, y, point);
+    xywnd->XY_SnapToGrid(point);
 
-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 );
+    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 GetFocusPosition( Vector3& position ){
-       if ( GlobalSelectionSystem().countSelected() != 0 ) {
-               Select_GetMid( position );
-       }
-       else
-       {
-               position = Camera_getOrigin( *g_pParentWnd->GetCamWnd() );
-       }
+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);
 }
 
-void XYWnd_Focus( XYWnd* xywnd ){
-       Vector3 position;
-       GetFocusPosition( position );
-       xywnd->PositionView( position );
-}
 
-void XY_Split_Focus(){
-       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 GetFocusPosition(Vector3 &position)
+{
+    if (GlobalSelectionSystem().countSelected() != 0) {
+        Select_GetMid(position);
+    } else {
+        position = Camera_getOrigin(*g_pParentWnd->GetCamWnd());
+    }
 }
 
-void XY_Focus(){
-       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 );
+void XYWnd_Focus(XYWnd *xywnd)
+{
+    Vector3 position;
+    GetFocusPosition(position);
+    xywnd->PositionView(position);
 }
 
-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;
-       }
+void XY_Split_Focus()
+{
+    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) {
+        // 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_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;
-       }
+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;
+    }
 
-       XYWnd* xywnd = g_pParentWnd->GetXYWnd();
-       xywnd->SetViewType( XZ );
-       XYWnd_Focus( xywnd );
+    XYWnd *xywnd = g_pParentWnd->GetXYWnd();
+    xywnd->SetViewType(XY);
+    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;
-       }
+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;
+    }
 
-       XYWnd* xywnd = g_pParentWnd->GetXYWnd();
-       xywnd->SetViewType( YZ );
-       XYWnd_Focus( xywnd );
+    XYWnd *xywnd = g_pParentWnd->GetXYWnd();
+    xywnd->SetViewType(XZ);
+    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;
-       }
-
-       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_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;
+    }
 
-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 );
-       }
+    XYWnd *xywnd = g_pParentWnd->GetXYWnd();
+    xywnd->SetViewType(YZ);
+    XYWnd_Focus(xywnd);
 }
 
-void XY_ZoomIn(){
-       XYWnd_ZoomIn( g_pParentWnd->ActiveXY() );
+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;
+    }
+
+    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);
+    }
+}
+
+void XY_ZoomIn()
+{
+    XYWnd_ZoomIn(g_pParentWnd->ActiveXY());
 }
 
 // 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 XY_ZoomOut(){
-       XYWnd_ZoomOut( g_pParentWnd->ActiveXY() );
+void XY_ZoomOut()
+{
+    XYWnd_ZoomOut(g_pParentWnd->ActiveXY());
 }
 
 
-
-void ToggleShowCrosshair(){
-       g_bCrossHairs ^= 1;
-       XY_UpdateAllWindows();
+void ToggleShowCrosshair()
+{
+    g_bCrossHairs ^= 1;
+    XY_UpdateAllWindows();
 }
 
-void ToggleShowSizeInfo(){
-       g_xywindow_globals_private.m_bSizePaint = !g_xywindow_globals_private.m_bSizePaint;
-       XY_UpdateAllWindows();
+void ToggleShowSizeInfo()
+{
+    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();
+void ToggleShowGrid()
+{
+    g_xywindow_globals_private.d_showgrid = !g_xywindow_globals_private.d_showgrid;
+    XY_UpdateAllWindows();
 }
 
-ToggleShown g_xy_top_shown( true );
+ToggleShown g_xy_top_shown(true);
 
-void XY_Top_Shown_Construct( ui::Window parent ){
-       g_xy_top_shown.connect( parent );
+void XY_Top_Shown_Construct(ui::Window parent)
+{
+    g_xy_top_shown.connect(parent);
 }
 
-ToggleShown g_yz_side_shown( false );
+ToggleShown g_yz_side_shown(false);
 
-void YZ_Side_Shown_Construct( ui::Window parent ){
-       g_yz_side_shown.connect( parent );
+void YZ_Side_Shown_Construct(ui::Window parent)
+{
+    g_yz_side_shown.connect(parent);
 }
 
-ToggleShown g_xz_front_shown( false );
+ToggleShown g_xz_front_shown(false);
 
-void XZ_Front_Shown_Construct( ui::Window parent ){
-       g_xz_front_shown.connect( parent );
+void XZ_Front_Shown_Construct(ui::Window 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 ) {
-       }
-}
-void unrealise(){
-       if ( ++m_unrealised == 1 ) {
-               if ( XYWnd::m_mnuDrop ) {
-                       XYWnd::m_mnuDrop.destroy();
-                       XYWnd::m_mnuDrop = ui::Menu(ui::null);
-               }
-       }
-}
+    EntityClassMenu() : m_unrealised(1)
+    {
+    }
+
+    void realise()
+    {
+        if (--m_unrealised == 0) {
+        }
+    }
+
+    void unrealise()
+    {
+        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();
+void ShowNamesToggle()
+{
+    GlobalEntityCreator().setShowNames(!GlobalEntityCreator().getShowNames());
+    XY_UpdateAllWindows();
 }
+
 typedef FreeCaller<void(), ShowNamesToggle> ShowNamesToggleCaller;
-void ShowNamesExport( const Callback<void(bool)> & importer ){
-       importer( GlobalEntityCreator().getShowNames() );
+
+void ShowNamesExport(const Callback<void(bool)> &importer)
+{
+    importer(GlobalEntityCreator().getShowNames());
 }
+
 typedef FreeCaller<void(const Callback<void(bool)> &), ShowNamesExport> ShowNamesExportCaller;
 
-void ShowAnglesToggle(){
-       GlobalEntityCreator().setShowAngles( !GlobalEntityCreator().getShowAngles() );
-       XY_UpdateAllWindows();
+void ShowAnglesToggle()
+{
+    GlobalEntityCreator().setShowAngles(!GlobalEntityCreator().getShowAngles());
+    XY_UpdateAllWindows();
 }
+
 typedef FreeCaller<void(), ShowAnglesToggle> ShowAnglesToggleCaller;
-void ShowAnglesExport( const Callback<void(bool)> & importer ){
-       importer( GlobalEntityCreator().getShowAngles() );
+
+void ShowAnglesExport(const Callback<void(bool)> &importer)
+{
+    importer(GlobalEntityCreator().getShowAngles());
 }
+
 typedef FreeCaller<void(const Callback<void(bool)> &), ShowAnglesExport> ShowAnglesExportCaller;
 
-void ShowBlocksToggle(){
-       g_xywindow_globals_private.show_blocks ^= 1;
-       XY_UpdateAllWindows();
+void ShowBlocksToggle()
+{
+    g_xywindow_globals_private.show_blocks ^= 1;
+    XY_UpdateAllWindows();
 }
+
 typedef FreeCaller<void(), ShowBlocksToggle> ShowBlocksToggleCaller;
-void ShowBlocksExport( const Callback<void(bool)> & importer ){
-       importer( g_xywindow_globals_private.show_blocks );
+
+void ShowBlocksExport(const Callback<void(bool)> &importer)
+{
+    importer(g_xywindow_globals_private.show_blocks);
 }
+
 typedef FreeCaller<void(const Callback<void(bool)> &), ShowBlocksExport> ShowBlocksExportCaller;
 
-void ShowCoordinatesToggle(){
-       g_xywindow_globals_private.show_coordinates ^= 1;
-       XY_UpdateAllWindows();
+void ShowCoordinatesToggle()
+{
+    g_xywindow_globals_private.show_coordinates ^= 1;
+    XY_UpdateAllWindows();
 }
+
 typedef FreeCaller<void(), ShowCoordinatesToggle> ShowCoordinatesToggleCaller;
-void ShowCoordinatesExport( const Callback<void(bool)> & importer ){
-       importer( g_xywindow_globals_private.show_coordinates );
+
+void ShowCoordinatesExport(const Callback<void(bool)> &importer)
+{
+    importer(g_xywindow_globals_private.show_coordinates);
 }
+
 typedef FreeCaller<void(const Callback<void(bool)> &), ShowCoordinatesExport> ShowCoordinatesExportCaller;
 
-void ShowOutlineToggle(){
-       g_xywindow_globals_private.show_outline ^= 1;
-       XY_UpdateAllWindows();
+void ShowOutlineToggle()
+{
+    g_xywindow_globals_private.show_outline ^= 1;
+    XY_UpdateAllWindows();
 }
+
 typedef FreeCaller<void(), ShowOutlineToggle> ShowOutlineToggleCaller;
-void ShowOutlineExport( const Callback<void(bool)> & importer ){
-       importer( g_xywindow_globals_private.show_outline );
+
+void ShowOutlineExport(const Callback<void(bool)> &importer)
+{
+    importer(g_xywindow_globals_private.show_outline);
 }
+
 typedef FreeCaller<void(const Callback<void(bool)> &), ShowOutlineExport> ShowOutlineExportCaller;
 
-void ShowAxesToggle(){
-       g_xywindow_globals_private.show_axis ^= 1;
-       XY_UpdateAllWindows();
+void ShowAxesToggle()
+{
+    g_xywindow_globals_private.show_axis ^= 1;
+    XY_UpdateAllWindows();
 }
+
 typedef FreeCaller<void(), ShowAxesToggle> ShowAxesToggleCaller;
-void ShowAxesExport( const Callback<void(bool)> & importer ){
-       importer( g_xywindow_globals_private.show_axis );
+
+void ShowAxesExport(const Callback<void(bool)> &importer)
+{
+    importer(g_xywindow_globals_private.show_axis);
 }
+
 typedef FreeCaller<void(const Callback<void(bool)> &), ShowAxesExport> ShowAxesExportCaller;
 
-void ShowWorkzoneToggle(){
-       g_xywindow_globals_private.d_show_work ^= 1;
-       XY_UpdateAllWindows();
+void ShowWorkzoneToggle()
+{
+    g_xywindow_globals_private.d_show_work ^= 1;
+    XY_UpdateAllWindows();
 }
+
 typedef FreeCaller<void(), ShowWorkzoneToggle> ShowWorkzoneToggleCaller;
-void ShowWorkzoneExport( const Callback<void(bool)> & importer ){
-       importer( g_xywindow_globals_private.d_show_work );
+
+void ShowWorkzoneExport(const Callback<void(bool)> &importer)
+{
+    importer(g_xywindow_globals_private.d_show_work);
 }
+
 typedef FreeCaller<void(const Callback<void(bool)> &), ShowWorkzoneExport> ShowWorkzoneExportCaller;
 
 ShowNamesExportCaller 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 );
+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;
-Callback<void(const Callback<void(bool)> &)> g_show_angles_callback( g_show_angles_caller );
-ToggleItem g_show_angles( g_show_angles_callback );
+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;
-Callback<void(const Callback<void(bool)> &)> g_show_blocks_callback( g_show_blocks_caller );
-ToggleItem g_show_blocks( g_show_blocks_callback );
+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;
-Callback<void(const Callback<void(bool)> &)> g_show_coordinates_callback( g_show_coordinates_caller );
-ToggleItem g_show_coordinates( g_show_coordinates_callback );
+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;
-Callback<void(const Callback<void(bool)> &)> g_show_outline_callback( g_show_outline_caller );
-ToggleItem g_show_outline( g_show_outline_callback );
+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;
-Callback<void(const Callback<void(bool)> &)> g_show_axes_callback( g_show_axes_caller );
-ToggleItem g_show_axes( g_show_axes_callback );
+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;
-Callback<void(const Callback<void(bool)> &)> g_show_workzone_callback( g_show_workzone_caller );
-ToggleItem g_show_workzone( g_show_workzone_callback );
+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 ) );
+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));
 }
 
-void XYWnd_registerShortcuts(){
-       command_connect_accelerator( "ToggleCrosshairs" );
-       command_connect_accelerator( "ToggleSizePaint" );
+void XYWnd_registerShortcuts()
+{
+    command_connect_accelerator("ToggleCrosshairs");
+    command_connect_accelerator("ToggleSizePaint");
 }
 
 
-
-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 );
+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);
 }
-void Orthographic_constructPage( PreferenceGroup& group ){
-       PreferencesPage page( group.createPage( "Orthographic", "Orthographic View Preferences" ) );
-       Orthographic_constructPreferences( page );
+
+void Orthographic_constructPage(PreferenceGroup &group)
+{
+    PreferencesPage page(group.createPage("Orthographic", "Orthographic View Preferences"));
+    Orthographic_constructPreferences(page);
 }
-void Orthographic_registerPreferencesPage(){
-       PreferencesDialog_addSettingsPage( makeCallbackF(Orthographic_constructPage) );
+
+void Orthographic_registerPreferencesPage()
+{
+    PreferencesDialog_addSettingsPage(makeCallbackF(Orthographic_constructPage));
 }
 
-void Clipper_constructPreferences( PreferencesPage& page ){
-       page.appendCheckBox( "", "Clipper tool uses caulk", g_clip_useCaulk );
+void Clipper_constructPreferences(PreferencesPage &page)
+{
+    page.appendCheckBox("", "Clipper tool uses caulk", g_clip_useCaulk);
 }
-void Clipper_constructPage( PreferenceGroup& group ){
-       PreferencesPage page( group.createPage( "Clipper", "Clipper Tool Settings" ) );
-       Clipper_constructPreferences( page );
+
+void Clipper_constructPage(PreferenceGroup &group)
+{
+    PreferencesPage page(group.createPage("Clipper", "Clipper Tool Settings"));
+    Clipper_constructPreferences(page);
 }
-void Clipper_registerPreferencesPage(){
-       PreferencesDialog_addSettingsPage( makeCallbackF(Clipper_constructPage) );
+
+void Clipper_registerPreferencesPage()
+{
+    PreferencesDialog_addSettingsPage(makeCallbackF(Clipper_constructPage));
 }
 
 
@@ -2728,68 +2889,88 @@ void Clipper_registerPreferencesPage(){
 
 
 struct ToggleShown_Bool {
-       static void Export(const ToggleShown &self, const Callback<void(bool)> &returnz) {
-               returnz(self.active());
-       }
-
-       static void Import(ToggleShown &self, bool value) {
-               self.set(value);
-       }
+    static void Export(const ToggleShown &self, const Callback<void(bool)> &returnz)
+    {
+        returnz(self.active());
+    }
+
+    static void Import(ToggleShown &self, bool value)
+    {
+        self.set(value);
+    }
 };
 
 
-void XYWindow_Construct(){
-       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();
+void XYWindow_Construct()
+{
+    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();
 }