]> de.git.xonotic.org Git - xonotic/netradiant.git/commitdiff
Merge commit '833d947959e424126907d552840203a557097e8f' into master-merge
authorThomas Debesse <dev@illwieckz.net>
Tue, 21 Jun 2022 01:57:16 +0000 (03:57 +0200)
committerThomas Debesse <dev@illwieckz.net>
Tue, 21 Jun 2022 01:57:16 +0000 (03:57 +0200)
1  2 
libs/gtkutil/cursor.cpp
radiant/brushmanip.cpp
radiant/csg.cpp
radiant/mainframe.cpp
radiant/texwindow.cpp

diff --combined libs/gtkutil/cursor.cpp
index e4d34b7d1607345ad734c6a362b3399969f48ae9,58d68c95e1604d210f10ffcb9b47426f41ae408a..b2e1e53e95de0f3ad9027d31018812fd5afa3b6a
  #include <gdk/gdk.h>
  #include <gtk/gtk.h>
  
 -#if 0
 +// Note: NetRadiantCustom disables them but we still make use of them.
 +#if 1
 +/* Note: here is an alternative implementation,
 +it may be useful to try it on platforms were
 +      gdk_cursor_new(GDK_BLANK_CURSOR)
 +does not work:
 +
 +GdkCursor* create_blank_cursor(){
 +      GdkPixmap *pixmap;
 +      GdkBitmap *mask;
 +      char buffer [( 32 * 32 ) / 8];
 +      memset( buffer, 0, ( 32 * 32 ) / 8 );
 +      GdkColor white = {0, 0xffff, 0xffff, 0xffff};
 +      GdkColor black = {0, 0x0000, 0x0000, 0x0000};
 +      pixmap = gdk_bitmap_create_from_data( 0, buffer, 32, 32 );
 +      mask   = gdk_bitmap_create_from_data( 0, buffer, 32, 32 );
 +      GdkCursor *cursor = gdk_cursor_new_from_pixmap( pixmap, mask, &white, &black, 1, 1 );
 +      gdk_drawable_unref( pixmap );
 +      gdk_drawable_unref( mask );
 +
 +      return cursor;
 +}
 +*/
  GdkCursor* create_blank_cursor(){
        return gdk_cursor_new(GDK_BLANK_CURSOR);
  }
  
 -void blank_cursor( ui::Widget widget ){
 -      GdkCursor* cursor = create_blank_cursor();
 +void set_cursor( ui::Widget widget, GdkCursorType cursor_type ){
 +      GdkCursor* cursor = gdk_cursor_new( cursor_type );
        gdk_window_set_cursor( gtk_widget_get_window(widget), cursor );
        gdk_cursor_unref( cursor );
  }
  
 +void blank_cursor( ui::Widget widget ){
 +      set_cursor( widget, GDK_BLANK_CURSOR );
 +}
 +
  void default_cursor( ui::Widget widget ){
 -      gdk_window_set_cursor( gtk_widget_get_window(widget), 0 );
 +      gdk_window_set_cursor( gtk_widget_get_window( widget ), NULL );
  }
  #endif
  
 -
 -void Sys_GetCursorPos( ui::Window window, int *x, int *y ){
 -      gdk_display_get_pointer( gdk_display_get_default(), 0, x, y, 0 );
 +void Sys_GetCursorPos( ui::Widget widget, int *x, int *y ){
 +      GdkDisplay *display = gtk_widget_get_display( GTK_WIDGET( widget ) );
 +      // No need to store the screen, it will be recovered from widget again.
 +      gdk_display_get_pointer( display, NULL, x, y, NULL );
  }
  
 -void Sys_SetCursorPos( ui::Window window, int x, int y ){
 -      GdkScreen *screen;
 -      gdk_display_get_pointer( gdk_display_get_default(), &screen, 0, 0, 0 );
 -      gdk_display_warp_pointer( gdk_display_get_default(), screen, x, y );
 +void Sys_SetCursorPos( ui::Widget widget, int x, int y ){
 +      GdkDisplay *display = gtk_widget_get_display( GTK_WIDGET( widget ) );
 +      GdkScreen *screen = gtk_widget_get_screen( GTK_WIDGET( widget ) );
 +      gdk_display_warp_pointer( display, screen, x, y );
  }
  
  gboolean DeferredMotion::gtk_motion(ui::Widget widget, GdkEventMotion *event, DeferredMotion *self)
      return FALSE;
  }
  
 -gboolean FreezePointer::motion_delta(ui::Window widget, GdkEventMotion *event, FreezePointer *self)
 +gboolean FreezePointer::motion_delta(ui::Widget widget, GdkEventMotion *event, FreezePointer *self)
  {
 +      /* FIXME: The pointer can be lost outside of the XY Window
 +      or the Camera Window, see the comment in freeze_pointer function */
        int current_x, current_y;
        Sys_GetCursorPos( widget, &current_x, &current_y );
        int dx = current_x - self->last_x;
        int dy = current_y - self->last_y;
++#if 0 // NetRadiantCustom
+       int ddx = current_x - self->center_x;
+       int ddy = current_y - self->center_y;
++#else
++      int ddx = current_x - self->recorded_x;
++      int ddy = current_y - self->recorded_y;
++#endif
        self->last_x = current_x;
        self->last_y = current_y;
        if ( dx != 0 || dy != 0 ) {
                //globalOutputStream() << "motion x: " << dx << ", y: " << dy << "\n";
- #if 0 // NetRadiantCustom
-               int ddx = current_x - self->center_x;
-               int ddy = current_y - self->center_y;
- #else
-               int ddx = current_x - self->recorded_x;
-               int ddy = current_y - self->recorded_y;
- #endif
 +#if defined(WORKAROUND_MACOS_GTK2_LAGGYPOINTER)
 +              ui::Dimensions dimensions = widget.dimensions();
 +              int window_x, window_y;
 +              int translated_x, translated_y;
 +
 +              gdk_window_get_origin( gtk_widget_get_window( widget ), &window_x, &window_y);
 +
 +              translated_x = current_x - ( window_x );
 +              translated_y = current_y - ( window_y );
 +
 +#if 0
 +              int widget_x, widget_y;
 +              gtk_widget_translate_coordinates( GTK_WIDGET( widget ), gtk_widget_get_toplevel( GTK_WIDGET( widget ) ), 0, 0, &widget_x, &widget_y);
 +
 +              globalOutputStream()
 +                      << "window_x: " << window_x
 +                      << ", window_y: " << window_y
 +                      << ", widget_x: " << widget_x
 +                      << ", widget_y: " << widget_y
 +                      << ", current x: " << current_x
 +                      << ", current_y: " << current_y
 +                      << ", translated x: " << translated_x
 +                      << ", translated_y: " << translated_y
 +                      << ", width: " << dimensions.width
 +                      << ", height: " << dimensions.height
 +                      << "\n";
 +#endif
 +
 +              if ( translated_x < 32 || translated_x > dimensions.width - 32
 +                      || translated_y < 32 || translated_y > dimensions.height - 32 ) {
 +#if 0
 +                      // Reposition the pointer to the widget center.
 +                      int reposition_x = window_x + dimensions.width / 2;
 +                      int reposition_y = window_y + dimensions.height / 2;
 +#else
 +                      // Move the pointer to the opposite side of the XY Window
 +                      // to maximize the distance that can be moved again.
 +                      int reposition_x = current_x;
 +                      int reposition_y = current_y;
 +
 +                      if ( translated_x < 32 ) {
 +                              reposition_x = window_x + dimensions.width - 32;
 +                      }
 +                      else if ( translated_x > dimensions.width - 32 ) {
 +                              reposition_x = window_x + 32;
 +                      }
 +
 +                      if ( translated_y < 32 ) {
 +                              reposition_y = window_y + dimensions.height - 32;
 +                      }
 +                      else if ( translated_y > dimensions.height - 32 ) {
 +                              reposition_y = window_y + 32;
 +                      }
 +#endif
 +
 +                      Sys_SetCursorPos( widget, reposition_x, reposition_y );
 +                      self->last_x = reposition_x;
 +                      self->last_y = reposition_y;
 +              }
 +#else
                if (ddx < -32 || ddx > 32 || ddy < -32 || ddy > 32) {
 +#if 0 // NetRadiantCustom
                        Sys_SetCursorPos( widget, self->center_x, self->center_y );
- #endif
+                       self->last_x = self->center_x;
+                       self->last_y = self->center_y;
 +#else
 +                      Sys_SetCursorPos( widget, self->recorded_x, self->recorded_y );
 +                      self->last_x = self->recorded_x;
 +                      self->last_y = self->recorded_y;
++#endif
                }
 +#endif
                self->m_function( dx, dy, event->state, self->m_data );
        }
        return FALSE;
  }
  
 -void FreezePointer::freeze_pointer(ui::Window window, ui::Widget widget, FreezePointer::MotionDeltaFunction function, void *data)
 +/* NetRadiantCustom did this instead:
 +void FreezePointer::freeze_pointer(ui::Window window, ui::Widget widget, FreezePointer::MotionDeltaFunction function, void *data) */
 +void FreezePointer::freeze_pointer(ui::Widget widget, FreezePointer::MotionDeltaFunction function, void *data)
  {
 +      /* FIXME: This bug can happen if the pointer goes outside of the
 +      XY Window while the right mouse button is not released,
 +      the XY Window loses focus and can't read the right mouse button
 +      release event and then cannot unfreeze the pointer, meaning the
 +      user can attempt to freeze the pointer in another XY window.
 +
 +      This can happen with touch screen, especially those used to drive
 +      virtual machine pointers, the cursor can be teleported outside of
 +      the XY Window while maintaining pressure on the right mouse button.
 +      This can also happen when the render is slow.
 +
 +      The bug also occurs with the Camera Window.
 +
 +      FIXME: It's would be possible to tell the user to save the map
 +      at assert time before crashing because this bug does not corrupt
 +      map saving. */
        ASSERT_MESSAGE( m_function == 0, "can't freeze pointer" );
  
        const GdkEventMask mask = static_cast<GdkEventMask>( GDK_POINTER_MOTION_MASK
                                                                                                                 | GDK_BUTTON_RELEASE_MASK
                                                                                                                 | GDK_VISIBILITY_NOTIFY_MASK );
  
-       GdkCursor* cursor = create_blank_cursor();
 +#if defined(WORKAROUND_MACOS_GTK2_LAGGYPOINTER)
 +      /* Keep the pointer visible during the move operation.
 +      Because of a bug, it remains visible even if we give
 +      the order to hide it anyway.
 +      Other parts of the code assume the pointer is visible,
 +      so make sure it is consistently visible accross
 +      third-party updates that may fix the mouse pointer
 +      visibility issue. */
 +#else
 +#if 0 // NetRadiantCustom
+       //GdkCursor* cursor = create_blank_cursor();
+       GdkCursor* cursor = gdk_cursor_new( GDK_BLANK_CURSOR );
        //GdkGrabStatus status =
        /*      fixes cursor runaways during srsly quick drags in camera
        drags with pressed buttons have no problem at all w/o this      */
 -      gdk_pointer_grab( gtk_widget_get_window(window), TRUE, mask, 0, cursor, GDK_CURRENT_TIME );
 +      gdk_pointer_grab( gtk_widget_get_window( widget ), TRUE, mask, 0, cursor, GDK_CURRENT_TIME );
        //gdk_window_set_cursor ( GTK_WIDGET( window )->window, cursor );
        /*      is needed to fix activating neighbour widgets, that happens, if using upper one */
        gtk_grab_add( widget );
        weedjet = widget;
 -
 +#else
 +      GdkCursor* cursor = create_blank_cursor();
 +      //GdkGrabStatus status =
 +      gdk_pointer_grab( gtk_widget_get_window( widget ), TRUE, mask, 0, cursor, GDK_CURRENT_TIME );
        gdk_cursor_unref( cursor );
 +#endif
 +#endif
  
 -      Sys_GetCursorPos( window, &recorded_x, &recorded_y );
 +      Sys_GetCursorPos( widget, &recorded_x, &recorded_y );
  
 +#if 0 // NetRadiantCustom
        /*      using center for tracking for max safety        */
        gdk_window_get_origin( GTK_WIDGET( widget )->window, &center_x, &center_y );
        auto allocation = widget.dimensions();
        center_y += allocation.height / 2;
        center_x += allocation.width / 2;
  
 -      Sys_SetCursorPos( window, center_x, center_y );
 +      Sys_SetCursorPos( widget, center_x, center_y );
  
        last_x = center_x;
        last_y = center_y;
 +#else
 +      last_x = recorded_x;
 +      last_y = recorded_y;
 +#endif
  
        m_function = function;
        m_data = data;
  
 -      handle_motion = window.connect( "motion_notify_event", G_CALLBACK( motion_delta ), this );
 +      handle_motion = widget.connect( "motion_notify_event", G_CALLBACK( motion_delta ), this );
  }
  
 -void FreezePointer::unfreeze_pointer(ui::Window window)
 +void FreezePointer::unfreeze_pointer(ui::Widget widget)
  {
 -      g_signal_handler_disconnect( G_OBJECT( window ), handle_motion );
 +      g_signal_handler_disconnect( G_OBJECT( widget ), handle_motion );
  
        m_function = 0;
        m_data = 0;
  
- //    Sys_SetCursorPos( widget, center_x, center_y );
 +#if defined(WORKAROUND_MACOS_GTK2_LAGGYPOINTER)
 +      /* The pointer was visible during all the move operation,
 +      so, keep the current position. */
 +#else
 +      // NetRadiantCustom still uses window instead of widget.
 +#if 0 // NetRadiantCustom
+       Sys_SetCursorPos( window, recorded_x, recorded_y );
 +#else
 +      Sys_SetCursorPos( widget, recorded_x, recorded_y );
 +#endif
 +#endif
  
+ //    gdk_window_set_cursor( GTK_WIDGET( window )->window, 0 );
        gdk_pointer_ungrab( GDK_CURRENT_TIME );
 +#if 0 // NetRadiantCustom
        gtk_grab_remove( weedjet );
 +#endif
  }
diff --combined radiant/brushmanip.cpp
index 114fc4414e5fdb11c3c006f9bc0c88b7ea808e56,b3b1fb8facff6b533c32e7763f8fc740505ea46b..ceb9b321b3a9eff7611021b40954212559be674c
@@@ -862,9 -862,6 +862,9 @@@ filter_brush_any_face g_filter_brush_hi
  filter_face_shader g_filter_face_hint_ja( "textures/system/hint" );
  filter_brush_any_face g_filter_brush_hint_ja( &g_filter_face_hint_ja );
  
 +filter_face_shader g_filter_face_subtlehint( "textures/common/subtlehint" );
 +filter_brush_any_face g_filter_brush_subtlehint( &g_filter_face_subtlehint );
 +
  filter_face_shader g_filter_face_areaportal( "textures/common/areaportal" );
  filter_brush_all_faces g_filter_brush_areaportal( &g_filter_face_areaportal );
  
@@@ -903,7 -900,6 +903,7 @@@ void BrushFilters_construct()
        add_brush_filter( g_filter_brush_hintlocal, EXCLUDE_HINTSSKIPS );
        add_brush_filter( g_filter_brush_hint_q2, EXCLUDE_HINTSSKIPS );
        add_brush_filter( g_filter_brush_hint_ja, EXCLUDE_HINTSSKIPS );
 +      add_brush_filter( g_filter_brush_subtlehint, EXCLUDE_HINTSSKIPS );
        add_brush_filter( g_filter_brush_clusterportal, EXCLUDE_CLUSTERPORTALS );
        add_brush_filter( g_filter_brush_visportal, EXCLUDE_VISPORTALS );
        add_brush_filter( g_filter_brush_areaportal, EXCLUDE_AREAPORTALS );
@@@ -1270,10 -1266,10 +1270,10 @@@ void Brush_constructMenu( ui::Menu men
                if ( g_Layout_enableDetachableMenus.m_value ) {
                        menu_tearoff( menu_in_menu );
                }
-               create_menu_item_with_mnemonic( menu_in_menu, "Make _Hollow", "CSGHollow" );
-               create_menu_item_with_mnemonic( menu_in_menu, "Make _Room", "CSGRoom" );
                create_menu_item_with_mnemonic( menu_in_menu, "CSG _Subtract", "CSGSubtract" );
                create_menu_item_with_mnemonic( menu_in_menu, "CSG _Merge", "CSGMerge" );
+               create_menu_item_with_mnemonic( menu_in_menu, "Make _Room", "CSGRoom" );
+               create_menu_item_with_mnemonic( menu_in_menu, "CSG _Tool", "CSGTool" );
        }
        menu_separator( menu );
        {
diff --combined radiant/csg.cpp
index c459804a549c3636b244eebfb0603fd05dadf085,4ecbf5cc10d6f2ddde4b00c6c2c685e67d1f0000..c034095df43d925e16d69461fb9be8f4bb3bf1e6
  #include "brushnode.h"
  #include "grid.h"
  
+ /*
  void Face_makeBrush( Face& face, const Brush& brush, brush_vector_t& out, float offset ){
        if ( face.contributes() ) {
                out.push_back( new Brush( brush ) );
 -              Face* newFace = out.back()->addFace( face );
 +              std::shared_ptr<Face> newFace = out.back()->addFace( face );
                face.getPlane().offset( -offset );
                face.planeChanged();
                if ( newFace != 0 ) {
@@@ -49,46 -50,255 +50,255 @@@ void Face_extrude( Face& face, const Br
                face.getPlane().offset( offset );
                out.push_back( new Brush( brush ) );
                face.getPlane().offset( -offset );
 -              Face* newFace = out.back()->addFace( face );
 +              std::shared_ptr<Face> newFace = out.back()->addFace( face );
                if ( newFace != 0 ) {
                        newFace->flipWinding();
                        newFace->planeChanged();
                }
        }
  }
+ */
+ #include "preferences.h"
+ #include "texwindow.h"
+ enum eHollowType
+ {
+       diag = 0,
+       wrap = 1,
+       extrude = 2,
+       pull = 3,
+       room = 4,
+ };
  
+ const char* getCaulkShader(){
+       const char* gotShader = g_pGameDescription->getKeyValue( "shader_caulk" );
+       if ( gotShader && *gotShader ){
+               return gotShader;
+       }
+       return "textures/common/caulk";
+ }
+ class CaulkFace
+ {
+ DoubleVector3 ExclusionAxis;
+ double &mindot;
+ double &maxdot;
+ public:
+ CaulkFace( DoubleVector3 ExclusionAxis,
+                       double &mindot,
+                       double &maxdot ):
+                       ExclusionAxis( ExclusionAxis ),
+                       mindot( mindot ),
+                       maxdot( maxdot ){}
+ void operator()( Face& face ) const {
+       double dot = vector3_dot( face.getPlane().plane3().normal(), ExclusionAxis );
+       if( dot == 0 || ( dot > mindot + 0.005 && dot < maxdot - 0.005 ) )
+               face.SetShader( getCaulkShader() );
+ }
+ };
  
  class FaceMakeBrush
  {
  const Brush& brush;
  brush_vector_t& out;
  float offset;
- bool room;
+ eHollowType HollowType;
+ DoubleVector3 ExclusionAxis;
+ double &mindot;
+ double &maxdot;
+ bool caulk;
+ bool RemoveInner;
  public:
- FaceMakeBrush( const Brush& brush, brush_vector_t& out, float offset, bool room )
-       : brush( brush ), out( out ), offset( offset ), room( room ){
+ FaceMakeBrush( const Brush& brush,
+                       brush_vector_t& out,
+                       float offset,
+                       eHollowType HollowType,
+                       DoubleVector3 ExclusionAxis,
+                       double &mindot,
+                       double &maxdot,
+                       bool caulk,
+                       bool RemoveInner )
+       : brush( brush ),
+       out( out ),
+       offset( offset ),
+       HollowType( HollowType ),
+       ExclusionAxis( ExclusionAxis ),
+       mindot( mindot ),
+       maxdot( maxdot ),
+       caulk( caulk ),
+       RemoveInner( RemoveInner ){
  }
  void operator()( Face& face ) const {
-       if( room ){
-               Face_extrude( face, brush, out, offset );
+       double dot = vector3_dot( face.getPlane().plane3().normal(), ExclusionAxis );
+       if( dot == 0 || ( dot > mindot + 0.005 && dot < maxdot - 0.005 ) ){
+               if( HollowType == pull ){
+                       if ( face.contributes() ) {
+                               face.getPlane().offset( offset );
+                               face.planeChanged();
+                               out.push_back( new Brush( brush ) );
+                               face.getPlane().offset( -offset );
+                               face.planeChanged();
+                               if( caulk ){
+                                       Brush_forEachFace( *out.back(), CaulkFace( ExclusionAxis, mindot, maxdot ) );
+                               }
 -                              Face* newFace = out.back()->addFace( face );
++                              std::shared_ptr<Face> newFace = out.back()->addFace( face );
+                               if ( newFace != 0 ) {
+                                       newFace->flipWinding();
+                               }
+                       }
+               }
+               else if( HollowType == wrap ){
+                       //Face_makeBrush( face, brush, out, offset );
+                       if ( face.contributes() ) {
+                               face.undoSave();
+                               out.push_back( new Brush( brush ) );
+                               if( !RemoveInner && caulk )
+                                       face.SetShader( getCaulkShader() );
 -                              Face* newFace = out.back()->addFace( face );
++                              std::shared_ptr<Face> newFace = out.back()->addFace( face );
+                               face.getPlane().offset( -offset );
+                               face.planeChanged();
+                               if( caulk )
+                                       face.SetShader( getCaulkShader() );
+                               if ( newFace != 0 ) {
+                                       newFace->flipWinding();
+                                       newFace->getPlane().offset( offset );
+                                       newFace->planeChanged();
+                               }
+                       }
+               }
+               else if( HollowType == extrude ){
+                       if ( face.contributes() ) {
+                               //face.undoSave();
+                               out.push_back( new Brush( brush ) );
+                               out.back()->clear();
 -                              Face* newFace = out.back()->addFace( face );
++                              std::shared_ptr<Face> newFace = out.back()->addFace( face );
+                               if ( newFace != 0 ) {
+                                       newFace->getPlane().offset( offset );
+                                       newFace->planeChanged();
+                               }
+                               if( !RemoveInner && caulk )
+                                       face.SetShader( getCaulkShader() );
+                               newFace = out.back()->addFace( face );
+                               if ( newFace != 0 ) {
+                                       newFace->flipWinding();
+                               }
+                               Winding& winding = face.getWinding();
+                               TextureProjection projection;
+                               TexDef_Construct_Default( projection );
+                               for ( Winding::iterator j = winding.begin(); j != winding.end(); ++j ){
+                                       std::size_t index = std::distance( winding.begin(), j );
+                                       std::size_t next = Winding_next( winding, index );
+                                       out.back()->addPlane( winding[index].vertex, winding[next].vertex, winding[next].vertex + face.getPlane().plane3().normal() * offset, TextureBrowser_GetSelectedShader( GlobalTextureBrowser() ), projection );
+                               }
+                       }
+               }
+               else if( HollowType == diag ){
+                       if ( face.contributes() ) {
+                               out.push_back( new Brush( brush ) );
+                               out.back()->clear();
 -                              Face* newFace = out.back()->addFace( face );
++                              std::shared_ptr<Face> newFace = out.back()->addFace( face );
+                               if ( newFace != 0 ) {
+                                       newFace->planeChanged();
+                               }
+                               newFace = out.back()->addFace( face );
+                               if ( newFace != 0 ) {
+                                       if( !RemoveInner && caulk )
+                                               newFace->SetShader( getCaulkShader() );
+                                       newFace->flipWinding();
+                                       newFace->getPlane().offset( offset );
+                                       newFace->planeChanged();
+                               }
+                               Winding& winding = face.getWinding();
+                               TextureProjection projection;
+                               TexDef_Construct_Default( projection );
+                               for ( Winding::iterator i = winding.begin(); i != winding.end(); ++i ){
+                                       std::size_t index = std::distance( winding.begin(), i );
+                                       std::size_t next = Winding_next( winding, index );
+                                       Vector3 BestPoint;
+                                       float bestdist = 999999;
+                                       for( Brush::const_iterator j = brush.begin(); j != brush.end(); ++j ){
+                                               Winding& winding2 = ( *j )->getWinding();
+                                               for ( Winding::iterator k = winding2.begin(); k != winding2.end(); ++k ){
+                                                       std::size_t index2 = std::distance( winding2.begin(), k );
+                                                       float testdist = vector3_length( winding[index].vertex - winding2[index2].vertex );
+                                                       if( testdist < bestdist ){
+                                                               bestdist = testdist;
+                                                               BestPoint = winding2[index2].vertex;
+                                                       }
+                                               }
+                                       }
+                                       out.back()->addPlane( winding[next].vertex, winding[index].vertex, BestPoint, caulk? getCaulkShader() : TextureBrowser_GetSelectedShader( GlobalTextureBrowser() ), projection );
+                               }
+                       }
+               }
        }
-       else{
-               Face_makeBrush( face, brush, out, offset );
  }
+ };
+ class FaceExclude
+ {
+ DoubleVector3 ExclusionAxis;
+ double &mindot;
+ double &maxdot;
+ public:
+ FaceExclude( DoubleVector3 ExclusionAxis, double &mindot, double &maxdot )
+       : ExclusionAxis( ExclusionAxis ), mindot( mindot ), maxdot( maxdot ){
+ }
+ void operator()( Face& face ) const {
+       if( vector3_length_squared( ExclusionAxis ) != 0 ){
+               double dot = vector3_dot( face.getPlane().plane3().normal(), ExclusionAxis );
+               if( dot < mindot ){
+                       mindot = dot;
+               }
+               else if( dot > maxdot ){
+                       maxdot = dot;
+               }
+       }
  }
  };
  
- void Brush_makeHollow( const Brush& brush, brush_vector_t& out, float offset, bool room ){
-       Brush_forEachFace( brush, FaceMakeBrush( brush, out, offset, room ) );
+ class FaceOffset
+ {
+ float offset;
+ DoubleVector3 ExclusionAxis;
+ double &mindot;
+ double &maxdot;
+ public:
+ FaceOffset( float offset, DoubleVector3 ExclusionAxis, double &mindot, double &maxdot )
+       : offset( offset ), ExclusionAxis( ExclusionAxis ), mindot( mindot ), maxdot( maxdot ){
  }
+ void operator()( Face& face ) const {
+       double dot = vector3_dot( face.getPlane().plane3().normal(), ExclusionAxis );
+       if( dot == 0 || ( dot > mindot + 0.005 && dot < maxdot - 0.005 ) ){
+               face.undoSave();
+               face.getPlane().offset( offset );
+               face.planeChanged();
+       }
+ }
+ };
+ DoubleVector3 getExclusion();
+ bool getCaulk();
+ bool getRemoveInner();
  
  class BrushHollowSelectedWalker : public scene::Graph::Walker
  {
- float m_offset;
bool room;
+ float offset;
eHollowType HollowType;
  public:
- BrushHollowSelectedWalker( float offset, bool room )
-       : m_offset( offset ), room( room ){
+ BrushHollowSelectedWalker( float offset, eHollowType HollowType )
+       : offset( offset ), HollowType( HollowType ){
  }
  bool pre( const scene::Path& path, scene::Instance& instance ) const {
        if ( path.top().get().visible() ) {
                         && Instance_getSelectable( instance )->isSelected()
                         && path.size() > 1 ) {
                        brush_vector_t out;
-                       Brush_makeHollow( *brush, out, m_offset, room );
+                       double mindot = 0;
+                       double maxdot = 0;
+                       if( HollowType != room ){
+                               Brush_forEachFace( *brush, FaceExclude( getExclusion(), mindot, maxdot ) );
+                       }
+                       if( HollowType == room ){
+                               Brush* tmpbrush = new Brush( *brush );
+                               tmpbrush->removeEmptyFaces();
+                               Brush_forEachFace( *brush, FaceMakeBrush( *brush, out, offset, pull, DoubleVector3( 0, 0, 0 ), mindot, maxdot, true, true ) );
+                               delete tmpbrush;
+                       }
+                       else if( HollowType == pull ){
+                               if( !getRemoveInner() && getCaulk() ){
+                                       Brush_forEachFace( *brush, CaulkFace( getExclusion(), mindot, maxdot ) );
+                               }
+                               Brush* tmpbrush = new Brush( *brush );
+                               tmpbrush->removeEmptyFaces();
+                               Brush_forEachFace( *tmpbrush, FaceMakeBrush( *tmpbrush, out, offset, HollowType, getExclusion(), mindot, maxdot, getCaulk(), getRemoveInner() ) );
+                               delete tmpbrush;
+                       }
+                       else if( HollowType == diag ){
+                               Brush* tmpbrush = new Brush( *brush );
+                               Brush_forEachFace( *tmpbrush, FaceOffset( offset, getExclusion(), mindot, maxdot ) );
+                               tmpbrush->removeEmptyFaces();
+                               Brush_forEachFace( *tmpbrush, FaceMakeBrush( *brush, out, offset, HollowType, getExclusion(), mindot, maxdot, getCaulk(), getRemoveInner() ) );
+                               delete tmpbrush;
+                               if( !getRemoveInner() && getCaulk() ){
+                                       Brush_forEachFace( *brush, CaulkFace( getExclusion(), mindot, maxdot ) );
+                               }
+                       }
+                       else{
+                               Brush_forEachFace( *brush, FaceMakeBrush( *brush, out, offset, HollowType, getExclusion(), mindot, maxdot, getCaulk(), getRemoveInner() ) );
+                       }
                        for ( brush_vector_t::const_iterator i = out.begin(); i != out.end(); ++i )
                        {
                                ( *i )->removeEmptyFaces();
 -                                      NodeSmartReference node( ( new BrushNode() )->node() );
 -                                      Node_getBrush( node )->copy( *( *i ) );
 -                                      delete ( *i );
 -                                      Node_getTraversable( path.parent() )->insert( node );
+                               if( ( *i )->hasContributingFaces() ){
 +                              NodeSmartReference node( ( new BrushNode() )->node() );
 +                              Node_getBrush( node )->copy( *( *i ) );
 +                              delete ( *i );
 +                              Node_getTraversable( path.parent() )->insert( node );
+                                       //path.push( makeReference( node.get() ) );
+                                       //selectPath( path, true );
+                                       //Instance_getSelectable( *GlobalSceneGraph().find( path ) )->setSelected( true );
+                                       //Path_deleteTop( path );
+                               }
                        }
                }
        }
@@@ -152,30 -400,16 +400,16 @@@ void post( const scene::Path& path, sce
  }
  };
  
- void Scene_BrushMakeHollow_Selected( scene::Graph& graph, bool room ){
-       GlobalSceneGraph().traverse( BrushHollowSelectedWalker( GetGridSize(), room ) );
-       GlobalSceneGraph().traverse( BrushDeleteSelected() );
- }
  
  /*
     =============
-    CSG_MakeHollow
+    CSG_MakeRoom
     =============
   */
- void CSG_MakeHollow( void ){
-       UndoableCommand undo( "brushHollow" );
-       Scene_BrushMakeHollow_Selected( GlobalSceneGraph(), false );
-       SceneChangeNotify();
- }
  void CSG_MakeRoom( void ){
        UndoableCommand undo( "makeRoom" );
-       Scene_BrushMakeHollow_Selected( GlobalSceneGraph(), true );
+       GlobalSceneGraph().traverse( BrushHollowSelectedWalker( GetGridSize(), room ) );
+       GlobalSceneGraph().traverse( BrushDeleteSelected() );
        SceneChangeNotify();
  }
  
@@@ -210,6 -444,15 +444,6 @@@ inline Dereference<Functor> makeDerefer
        return Dereference<Functor>( functor );
  }
  
 -typedef Face* FacePointer;
 -const FacePointer c_nullFacePointer = 0;
 -
 -template<typename Predicate>
 -Face* Brush_findIf( const Brush& brush, const Predicate& predicate ){
 -      Brush::const_iterator i = std::find_if( brush.begin(), brush.end(), makeDereference( predicate ) );
 -      return i == brush.end() ? c_nullFacePointer : *i; // uses c_nullFacePointer instead of 0 because otherwise gcc 4.1 attempts conversion to int
 -}
 -
  template<typename Caller>
  class BindArguments1
  {
@@@ -259,6 -502,7 +493,6 @@@ typedef Function<bool ( const Face &, c
  /// \li flipped && brush is FRONT or ON
  bool Brush_testPlane( const Brush& brush, const Plane3& plane, bool flipped ){
        brush.evaluateBRep();
 -#if 1
        for ( Brush::const_iterator i( brush.begin() ); i != brush.end(); ++i )
        {
                if ( Face_testPlane( *( *i ), plane, flipped ) ) {
                }
        }
        return true;
 -#else
 -      return Brush_findIf( brush, bindArguments( FaceTestPlane(), makeReference( plane ), flipped ) ) == 0;
 -#endif
  }
  
  brushsplit_t Brush_classifyPlane( const Brush& brush, const Plane3& plane ){
@@@ -286,24 -533,24 +520,24 @@@ bool Brush_subtract( const Brush& brush
                fragments.reserve( other.size() );
                Brush back( brush );
  
 -              for ( Brush::const_iterator i( other.begin() ); i != other.end(); ++i )
 +              for ( const std::shared_ptr<Face>& b : other )
                {
 -                      if ( ( *i )->contributes() ) {
 -                              brushsplit_t split = Brush_classifyPlane( back, ( *i )->plane3() );
 +                      if ( b->contributes() ) {
 +                              brushsplit_t split = Brush_classifyPlane( back, b->plane3() );
                                if ( split.counts[ePlaneFront] != 0
                                         && split.counts[ePlaneBack] != 0 ) {
                                        fragments.push_back( new Brush( back ) );
 -                                      Face* newFace = fragments.back()->addFace( *( *i ) );
 -                                      if ( newFace != 0 ) {
 +                                      std::shared_ptr<Face> newFace = fragments.back()->addFace( *b );
 +                                      if ( newFace != nullptr ) {
                                                newFace->flipWinding();
                                        }
 -                                      back.addFace( *( *i ) );
 +                                      back.addFace( *b );
                                }
                                else if ( split.counts[ePlaneBack] == 0 ) {
 -                                      for ( brush_vector_t::iterator i = fragments.begin(); i != fragments.end(); ++i )
 -                                      {
 -                                              delete( *i );
 +                                      for ( Brush *i : fragments ) {
 +                                              delete( i );
                                        }
 +                                      fragments.clear();
                                        return false;
                                }
                        }
@@@ -364,15 -611,19 +598,15 @@@ void post( const scene::Path& path, sce
                        else
                        {
                                ++m_before;
 -                              for ( brush_vector_t::const_iterator i = out.begin(); i != out.end(); ++i )
 -                              {
 +                              for ( Brush *b : out ) {
                                        ++m_after;
 -                                      ( *i )->removeEmptyFaces();
 -                                      if ( !( *i )->empty() ) {
 +                                      b->removeEmptyFaces();
 +                                      if ( !b->empty() ) {
                                                NodeSmartReference node( ( new BrushNode() )->node() );
 -                                              Node_getBrush( node )->copy( *( *i ) );
 -                                              delete ( *i );
 +                                              Node_getBrush( node )->copy( *b );
                                                Node_getTraversable( path.parent() )->insert( node );
                                        }
 -                                      else{
 -                                              delete ( *i );
 -                                      }
 +                                      delete b;
                                }
                                Path_deleteTop( path );
                        }
@@@ -387,7 -638,9 +621,7 @@@ void CSG_Subtract()
  
        if ( selected_brushes.empty() ) {
                globalOutputStream() << "CSG Subtract: No brushes selected.\n";
 -      }
 -      else
 -      {
 +      } else {
                globalOutputStream() << "CSG Subtract: Subtracting " << Unsigned( selected_brushes.size() ) << " brushes.\n";
  
                UndoableCommand undo( "brushSubtract" );
@@@ -422,20 -675,12 +656,20 @@@ bool pre( const scene::Path& path, scen
  }
  
  void post( const scene::Path& path, scene::Instance& instance ) const {
 -      if ( path.top().get().visible() ) {
 +      if ( !path.top().get().visible() ) {
 +              return;
 +      }
 +
                Brush* brush = Node_getBrush( path.top() );
 -              if ( brush != 0
 -                       && Instance_getSelectable( instance )->isSelected() ) {
 +      if ( brush == nullptr || !Instance_getSelectable( instance )->isSelected() ) {
 +              return;
 +      }
 +
                        Plane3 plane( plane3_for_points( m_p0, m_p1, m_p2 ) );
 -                      if ( plane3_valid( plane ) ) {
 +      if ( !plane3_valid( plane ) ) {
 +              return;
 +      }
 +
                                brushsplit_t split = Brush_classifyPlane( *brush, m_split == eFront ? plane3_flipped( plane ) : plane );
                                if ( split.counts[ePlaneBack] && split.counts[ePlaneFront] ) {
                                        // the plane intersects this brush
                                                NodeSmartReference node( ( new BrushNode() )->node() );
                                                Brush* fragment = Node_getBrush( node );
                                                fragment->copy( *brush );
 -                                              Face* newFace = fragment->addPlane( m_p0, m_p1, m_p2, m_shader, m_projection );
 +                      std::shared_ptr<Face> newFace =
 +                              fragment->addPlane( m_p0, m_p1, m_p2, m_shader, m_projection );
                                                if ( newFace != 0 && m_split != eFront ) {
                                                        newFace->flipWinding();
                                                }
                                                }
                                        }
  
 -                                      Face* newFace = brush->addPlane( m_p0, m_p1, m_p2, m_shader, m_projection );
 +              std::shared_ptr<Face> newFace = brush->addPlane( m_p0, m_p1, m_p2, m_shader, m_projection );
                                        if ( newFace != 0 && m_split == eFront ) {
                                                newFace->flipWinding();
                                        }
                                if ( m_split != eFrontAndBack && split.counts[ePlaneBack] != 0 ) {
                                        // the brush is "behind" the plane
                                        Path_deleteTop( path );
 -                              }
 -                      }
 -              }
        }
  }
  };
@@@ -636,3 -883,306 +870,306 @@@ void CSG_Merge( void )
                SceneChangeNotify();
        }
  }
+ /*
+    =============
+    CSG_Tool
+    =============
+  */
+ #include "mainframe.h"
+ #include <gtk/gtk.h>
+ #include "gtkutil/dialog.h"
+ #include "gtkutil/button.h"
+ #include "gtkutil/accelerator.h"
+ struct CSGToolDialog
+ {
+       GtkSpinButton* spin;
+       bool allocated{false};
+       ui::Window window{ui::null};
+       GtkToggleButton *radXYZ, *radX, *radY, *radZ, *caulk, *removeInner;
+ };
+ CSGToolDialog g_csgtool_dialog;
+ DoubleVector3 getExclusion(){
+       if( gtk_toggle_button_get_active( g_csgtool_dialog.radX ) ){
+               return DoubleVector3( 1, 0, 0 );
+       }
+       else if( gtk_toggle_button_get_active( g_csgtool_dialog.radY ) ){
+               return DoubleVector3( 0, 1, 0 );
+       }
+       else if( gtk_toggle_button_get_active( g_csgtool_dialog.radZ ) ){
+               return DoubleVector3( 0, 0, 1 );
+       }
+       return DoubleVector3( 0, 0, 0 );
+ }
+ bool getCaulk(){
+               if( gtk_toggle_button_get_active( g_csgtool_dialog.caulk ) ){
+               return true;
+       }
+       return false;
+ }
+ bool getRemoveInner(){
+               if( gtk_toggle_button_get_active( g_csgtool_dialog.removeInner ) ){
+               return true;
+       }
+       return false;
+ }
+ class BrushFaceOffset
+ {
+ float offset;
+ public:
+ BrushFaceOffset( float offset )
+       : offset( offset ){
+ }
+ void operator()( BrushInstance& brush ) const {
+       double mindot = 0;
+       double maxdot = 0;
+       Brush_forEachFace( brush, FaceExclude( getExclusion(), mindot, maxdot ) );
+       Brush_forEachFace( brush, FaceOffset( offset, getExclusion(), mindot, maxdot ) );
+ }
+ };
+ //=================DLG
+ static gboolean CSGdlg_HollowDiag( GtkWidget *widget, CSGToolDialog* dialog ){
+       float offset = static_cast<float>( gtk_spin_button_get_value( dialog->spin ) );
+       UndoableCommand undo( "brushHollow::Diag" );
+       GlobalSceneGraph().traverse( BrushHollowSelectedWalker( offset, diag ) );
+       if( getRemoveInner() )
+               GlobalSceneGraph().traverse( BrushDeleteSelected() );
+       SceneChangeNotify();
+       return TRUE;
+ }
+ static gboolean CSGdlg_HollowWrap( GtkWidget *widget, CSGToolDialog* dialog ){
+       float offset = static_cast<float>( gtk_spin_button_get_value( dialog->spin ) );
+       UndoableCommand undo( "brushHollow::Wrap" );
+       GlobalSceneGraph().traverse( BrushHollowSelectedWalker( offset, wrap ) );
+       if( getRemoveInner() )
+               GlobalSceneGraph().traverse( BrushDeleteSelected() );
+       SceneChangeNotify();
+       return TRUE;
+ }
+ static gboolean CSGdlg_HollowExtrude( GtkWidget *widget, CSGToolDialog* dialog ){
+       float offset = static_cast<float>( gtk_spin_button_get_value( dialog->spin ) );
+       UndoableCommand undo( "brushHollow::Extrude" );
+       GlobalSceneGraph().traverse( BrushHollowSelectedWalker( offset, extrude ) );
+       if( getRemoveInner() )
+               GlobalSceneGraph().traverse( BrushDeleteSelected() );
+       SceneChangeNotify();
+       return TRUE;
+ }
+ static gboolean CSGdlg_HollowPull( GtkWidget *widget, CSGToolDialog* dialog ){
+       float offset = static_cast<float>( gtk_spin_button_get_value( dialog->spin ) );
+       UndoableCommand undo( "brushHollow::Pull" );
+       GlobalSceneGraph().traverse( BrushHollowSelectedWalker( offset, pull ) );
+       if( getRemoveInner() )
+               GlobalSceneGraph().traverse( BrushDeleteSelected() );
+       SceneChangeNotify();
+       return TRUE;
+ }
+ static gboolean CSGdlg_BrushShrink( GtkWidget *widget, CSGToolDialog* dialog ){
+       gtk_spin_button_update ( dialog->spin );
+       float offset = static_cast<float>( gtk_spin_button_get_value( dialog->spin ) );
+       offset *= -1;
+       UndoableCommand undo( "Shrink brush" );
+ //    GlobalSceneGraph().traverse( OffsetBrushFacesSelectedWalker( offset ) );
+       //Scene_ForEachSelectedBrush_ForEachFace( GlobalSceneGraph(), BrushFaceOffset( offset ) );
+       Scene_forEachSelectedBrush( BrushFaceOffset( offset ) );
+       SceneChangeNotify();
+       return TRUE;
+ }
+ static gboolean CSGdlg_BrushExpand( GtkWidget *widget, CSGToolDialog* dialog ){
+       gtk_spin_button_update ( dialog->spin );
+       float offset = static_cast<float>( gtk_spin_button_get_value( dialog->spin ) );
+       UndoableCommand undo( "Expand brush" );
+ //    GlobalSceneGraph().traverse( OffsetBrushFacesSelectedWalker( offset ) );
+       //Scene_ForEachSelectedBrush_ForEachFace( GlobalSceneGraph(), BrushFaceOffset( offset ) );
+       Scene_forEachSelectedBrush( BrushFaceOffset( offset ) );
+       SceneChangeNotify();
+       return TRUE;
+ }
+ static gboolean CSGdlg_grid2spin( GtkWidget *widget, CSGToolDialog* dialog ){
+       gtk_spin_button_set_value( dialog->spin, GetGridSize() );
+       return TRUE;
+ }
+ static gboolean CSGdlg_delete( GtkWidget *widget, GdkEventAny *event, CSGToolDialog* dialog ){
+       gtk_widget_hide( GTK_WIDGET( dialog->window ) );
+       return TRUE;
+ }
+ void CSG_Tool(){
+       // FIXME: there is probably improvements to do less raw GTK stuff, more GTK wrapper
+       if ( !g_csgtool_dialog.allocated ) {
+               g_csgtool_dialog.allocated = true;
+               g_csgtool_dialog.window = MainFrame_getWindow().create_dialog_window( "CSG Tool", G_CALLBACK( CSGdlg_delete ), &g_csgtool_dialog );
+               gtk_window_set_type_hint( g_csgtool_dialog.window, GDK_WINDOW_TYPE_HINT_UTILITY );
+               //GtkAccelGroup* accel = gtk_accel_group_new();
+               //gtk_window_add_accel_group( g_csgtool_dialog.window, accel );
+               global_accel_connect_window( g_csgtool_dialog.window );
+               {
+                       auto hbox = create_dialog_hbox( 4, 4 );
+                       gtk_container_add( GTK_CONTAINER( g_csgtool_dialog.window ), GTK_WIDGET( hbox ) );
+                       {
+                               auto table = create_dialog_table( 3, 8, 4, 4 );
+                               gtk_box_pack_start( GTK_BOX( hbox ), GTK_WIDGET( table ), TRUE, TRUE, 0 );
+                               {
+                                       //GtkWidget* label = gtk_label_new( "<->" );
+                                       //gtk_widget_show( label );
+                                       auto button = ui::Button( "Grid->" );
+                                       table.attach( button, {0, 1, 0, 1}, {0, 0} );
+                                       button.show();
+                                       g_signal_connect( G_OBJECT( button ), "clicked", G_CALLBACK( CSGdlg_grid2spin ), &g_csgtool_dialog );
+                               }
+                               {
+                                       GtkAdjustment* adj = GTK_ADJUSTMENT( gtk_adjustment_new( 16, 0, 9999, 1, 10, 0 ) );
+                                       GtkSpinButton* spin = GTK_SPIN_BUTTON( gtk_spin_button_new( adj, 1, 3 ) );
+                                       gtk_widget_show( GTK_WIDGET( spin ) );
+                                       gtk_widget_set_tooltip_text( GTK_WIDGET( spin ), "Thickness" );
+                                       gtk_table_attach( table, GTK_WIDGET( spin ), 1, 2, 0, 1,
+                                                                         (GtkAttachOptions) ( GTK_EXPAND | GTK_FILL ),
+                                                                         (GtkAttachOptions) ( 0 ), 0, 0 );
+                                       gtk_widget_set_size_request( GTK_WIDGET( spin ), 64, -1 );
+                                       gtk_spin_button_set_numeric( spin, TRUE );
+                                       g_csgtool_dialog.spin = spin;
+                               }
+                               {
+                                       //radio button group for choosing the exclude axis
+                                       GtkWidget* radXYZ = gtk_radio_button_new_with_label( NULL, "XYZ" );
+                                       GtkWidget* radX = gtk_radio_button_new_with_label_from_widget( GTK_RADIO_BUTTON(radXYZ), "-X" );
+                                       GtkWidget* radY = gtk_radio_button_new_with_label_from_widget( GTK_RADIO_BUTTON(radXYZ), "-Y" );
+                                       GtkWidget* radZ = gtk_radio_button_new_with_label_from_widget( GTK_RADIO_BUTTON(radXYZ), "-Z" );
+                                       gtk_widget_show( radXYZ );
+                                       gtk_widget_show( radX );
+                                       gtk_widget_show( radY );
+                                       gtk_widget_show( radZ );
+                                       gtk_table_attach( table, radXYZ, 2, 3, 0, 1,
+                                                                       (GtkAttachOptions) ( GTK_EXPAND | GTK_FILL ),
+                                                                       (GtkAttachOptions) ( 0 ), 0, 0 );
+                                       gtk_table_attach( table, radX, 3, 4, 0, 1,
+                                                                       (GtkAttachOptions) ( GTK_EXPAND | GTK_FILL ),
+                                                                       (GtkAttachOptions) ( 0 ), 0, 0 );
+                                       gtk_table_attach( table, radY, 4, 5, 0, 1,
+                                                                       (GtkAttachOptions) ( GTK_EXPAND | GTK_FILL ),
+                                                                       (GtkAttachOptions) ( 0 ), 0, 0 );
+                                       gtk_table_attach( table, radZ, 5, 6, 0, 1,
+                                                                       (GtkAttachOptions) ( GTK_EXPAND | GTK_FILL ),
+                                                                       (GtkAttachOptions) ( 0 ), 0, 0 );
+                                       g_csgtool_dialog.radXYZ = GTK_TOGGLE_BUTTON( radXYZ );
+                                       g_csgtool_dialog.radX = GTK_TOGGLE_BUTTON( radX );
+                                       g_csgtool_dialog.radY = GTK_TOGGLE_BUTTON( radY );
+                                       g_csgtool_dialog.radZ = GTK_TOGGLE_BUTTON( radZ );
+                               }
+                               {
+                                       GtkWidget* button = gtk_toggle_button_new();
+                                       auto ubutton = ui::Button::from( button );
+                                       button_set_icon( ubutton, "f-caulk.png" );
+                                       gtk_button_set_relief( GTK_BUTTON( button ), GTK_RELIEF_NONE );
+                                       table.attach( ubutton, { 6, 7, 0, 1 }, { GTK_EXPAND, 0 } );
+                                       gtk_widget_set_tooltip_text( button, "Caulk some faces" );
+                                       gtk_toggle_button_set_active( GTK_TOGGLE_BUTTON( button ), TRUE );
+                                       ubutton.show();
+                                       g_csgtool_dialog.caulk = GTK_TOGGLE_BUTTON( button );
+                               }
+                               {
+                                       GtkWidget* button = gtk_toggle_button_new();
+                                       auto ubutton = ui::Button::from( button );
+                                       button_set_icon( ubutton, "csgtool_removeinner.png" );
+                                       gtk_button_set_relief( GTK_BUTTON( button ), GTK_RELIEF_NONE );
+                                       table.attach( ubutton, { 7, 8, 0, 1 }, { GTK_EXPAND, 0 } );
+                                       gtk_widget_set_tooltip_text( button, "Remove inner brush" );
+                                       gtk_toggle_button_set_active( GTK_TOGGLE_BUTTON( button ), TRUE );
+                                       ubutton.show();
+                                       g_csgtool_dialog.removeInner = GTK_TOGGLE_BUTTON( button );
+                               }
+                               {
+                                       GtkWidget* sep = gtk_hseparator_new();
+                                       gtk_widget_show( sep );
+                                       gtk_table_attach( table, sep, 0, 8, 1, 2,
+                                                                       (GtkAttachOptions) ( GTK_EXPAND | GTK_FILL ),
+                                                                       (GtkAttachOptions) ( 0 ), 0, 0 );
+                               }
+                               {
+                                       GtkWidget* button = gtk_button_new();
+                                       auto ubutton = ui::Button::from( button );
+                                       button_set_icon( ubutton, "csgtool_shrink.png" );
+                                       table.attach( ubutton, { 0, 1, 2, 3 }, { GTK_EXPAND, 0 } );
+                                       gtk_widget_set_tooltip_text( button, "Shrink brush" );
+                                       ubutton.show();
+                                       g_signal_connect( G_OBJECT( button ), "clicked", G_CALLBACK( CSGdlg_BrushShrink ), &g_csgtool_dialog );
+                               }
+                               {
+                                       GtkWidget* button = gtk_button_new();
+                                       auto ubutton = ui::Button::from( button );
+                                       button_set_icon( ubutton, "csgtool_expand.png" );
+                                       table.attach( ubutton, { 1, 2, 2, 3 }, { GTK_EXPAND, 0 } );
+                                       gtk_widget_set_tooltip_text( button, "Expand brush" );
+                                       ubutton.show();
+                                       g_signal_connect( G_OBJECT( button ), "clicked", G_CALLBACK( CSGdlg_BrushExpand ), &g_csgtool_dialog );
+                               }
+                               {
+                                       GtkWidget* button = gtk_button_new();
+                                       auto ubutton = ui::Button::from( button );
+                                       button_set_icon( ubutton, "csgtool_diagonal.png" );
+                                       table.attach( ubutton, { 3, 4, 2, 3 }, { GTK_EXPAND, 0 } );
+                                       gtk_widget_set_tooltip_text( button, "Hollow::diagonal joints" );
+                                       ubutton.show();
+                                       g_signal_connect( G_OBJECT( button ), "clicked", G_CALLBACK( CSGdlg_HollowDiag ), &g_csgtool_dialog );
+                               }
+                               {
+                                       GtkWidget* button = gtk_button_new();
+                                       auto ubutton = ui::Button::from( button );
+                                       button_set_icon( ubutton, "csgtool_wrap.png" );
+                                       table.attach( ubutton, { 4, 5, 2, 3 }, { GTK_EXPAND, 0 } );
+                                       gtk_widget_set_tooltip_text( button, "Hollow::warp" );
+                                       ubutton.show();
+                                       g_signal_connect( G_OBJECT( button ), "clicked", G_CALLBACK( CSGdlg_HollowWrap ), &g_csgtool_dialog );
+                               }
+                               {
+                                       GtkWidget* button = gtk_button_new();
+                                       auto ubutton = ui::Button::from( button );
+                                       button_set_icon( ubutton, "csgtool_extrude.png" );
+                                       table.attach( ubutton, { 5, 6, 2, 3 }, { GTK_EXPAND, 0 } );
+                                       gtk_widget_set_tooltip_text( button, "Hollow::extrude faces" );
+                                       ubutton.show();
+                                       g_signal_connect( G_OBJECT( button ), "clicked", G_CALLBACK( CSGdlg_HollowExtrude ), &g_csgtool_dialog );
+                               }
+                               {
+                                       GtkWidget* button = gtk_button_new();
+                                       auto ubutton = ui::Button::from( button );
+                                       button_set_icon( ubutton, "csgtool_pull.png" );
+                                       table.attach( ubutton, { 6, 7, 2, 3 }, { GTK_EXPAND, 0 } );
+                                       gtk_widget_set_tooltip_text( button, "Hollow::pull faces" );
+                                       ubutton.show();
+                                       g_signal_connect( G_OBJECT( button ), "clicked", G_CALLBACK( CSGdlg_HollowPull ), &g_csgtool_dialog );
+                               }
+                       }
+               }
+       }
+       gtk_widget_show( GTK_WIDGET( g_csgtool_dialog.window ) );
+       gtk_window_present( g_csgtool_dialog.window );
+ }
diff --combined radiant/mainframe.cpp
index dd5c3ec700b4119152c53503e0e68100de63b387,9c8784b55e5fe4e80512270dfbcb98461b89e114..1d08469350f414bbbad805e23faf195d93c6939c
  #include "texwindow.h"
  #include "filterbar.h"
  
 +#if GDEF_OS_WINDOWS
 +#include <process.h>
 +#else
 +#include <spawn.h>
 +#endif
 +
 +#ifdef WORKAROUND_WINDOWS_GTK2_GLWIDGET
 +/* workaround for gtk 2.24 issue: not displayed glwidget after toggle */
 +#define WORKAROUND_GOBJECT_SET_GLWIDGET(window, widget) g_object_set_data( G_OBJECT( window ), "glwidget", G_OBJECT( widget ) )
 +#else
 +#define WORKAROUND_GOBJECT_SET_GLWIDGET(window, widget)
 +#endif
 +
  #define GARUX_DISABLE_GTKTHEME
  #ifndef GARUX_DISABLE_GTKTHEME
  #include "gtktheme.h"
  #endif
  
 -
  struct layout_globals_t
  {
        WindowPosition m_position;
@@@ -173,8 -161,6 +173,8 @@@ void VFS_Refresh()
        RefreshReferences();
        // also refresh texture browser
        TextureBrowser_RefreshShaders();
 +      // also show textures (all or common)
 +      TextureBrowser_ShowStartupShaders( GlobalTextureBrowser() );
  }
  
  void VFS_Restart(){
@@@ -233,7 -219,9 +233,7 @@@ void HomePaths_Realise()
                        }
                        path.clear();
                        path << DirectoryCleaned( g_get_home_dir() ) << prefix << "/";
 -#endif
 -
 -#if GDEF_OS_WINDOWS
 +#elif GDEF_OS_WINDOWS
                        TCHAR mydocsdir[MAX_PATH + 1];
                        wchar_t *mydocsdirw;
                        HMODULE shfolder = LoadLibrary( "shfolder.dll" );
                                        break;
                                }
                        }
 -#endif
 -
 -#if GDEF_OS_POSIX
 +#elif GDEF_OS_XDG
 +                      path.clear();
 +                      path << DirectoryCleaned( g_get_user_data_dir() ) << ( prefix + 1 ) << "/";
 +                      if ( file_exists( path.c_str() ) && file_is_directory( path.c_str() ) ) {
 +                              g_qeglobals.m_userEnginePath = path.c_str();
 +                              break;
 +                      }
 +                      else {
                        path.clear();
                        path << DirectoryCleaned( g_get_home_dir() ) << prefix << "/";
                        g_qeglobals.m_userEnginePath = path.c_str();
                        break;
 +                      }
  #endif
                }
  
@@@ -458,32 -440,14 +458,32 @@@ void setPakPath( int num, const char* p
  }
  
  
 -// App Path
 +// executable file path (full path)
 +CopiedString g_strAppFilePath;
 +
 +// directory paths
 +CopiedString g_strAppPath; 
 +CopiedString g_strLibPath;
 +CopiedString g_strDataPath;
  
 -CopiedString g_strAppPath;                 ///< holds the full path of the executable
 +const char* AppFilePath_get(){
 +      return g_strAppFilePath.c_str();
 +}
  
  const char* AppPath_get(){
        return g_strAppPath.c_str();
  }
  
 +const char *LibPath_get()
 +{
 +    return g_strLibPath.c_str();
 +}
 +
 +const char *DataPath_get()
 +{
 +    return g_strDataPath.c_str();
 +}
 +
  /// the path to the local rc-dir
  const char* LocalRcPath_get( void ){
        static CopiedString rc_path;
@@@ -582,28 -546,39 +582,28 @@@ struct PakPath4 
  bool g_disableEnginePath = false;
  bool g_disableHomePath = false;
  
 -void Paths_constructPreferences( PreferencesPage& page ){
 +void Paths_constructBasicPreferences(  PreferencesPage& page ) {
        page.appendPathEntry( "Engine Path", true, make_property<EnginePath>(g_strEnginePath) );
 +}
  
 -      page.appendCheckBox(
 -              "", "Do not use Engine Path",
 -              g_disableEnginePath
 -                                                );
 +void Paths_constructPreferences( PreferencesPage& page ){
 +      Paths_constructBasicPreferences( page );
  
 -      page.appendCheckBox(
 -              "", "Do not use Home Path",
 -              g_disableHomePath
 -              );
 +      page.appendSpacer( 4 );
 +      page.appendLabel( "", "Advanced options" );
 +      page.appendCheckBox( "", "Do not use Engine Path", g_disableEnginePath );
 +      page.appendCheckBox( "", "Do not use Home Path", g_disableHomePath );
  
 -      for ( int i = 0; i < g_pakPathCount; i++ ) {
 -              std::string label = "Pak Path " + std::to_string(i);
 -              switch (i) {
 -                      case 0:
 -                      page.appendPathEntry( label.c_str(), true, make_property<PakPath0>( g_strPakPath[i] ) );
 -                      break;
 -                      case 1:
 -                      page.appendPathEntry( label.c_str(), true, make_property<PakPath1>( g_strPakPath[i] ) );
 -                      break;
 -                      case 2:
 -                      page.appendPathEntry( label.c_str(), true, make_property<PakPath2>( g_strPakPath[i] ) );
 -                      break;
 -                      case 3:
 -                      page.appendPathEntry( label.c_str(), true, make_property<PakPath3>( g_strPakPath[i] ) );
 -                      break;
 -                      case 4:
 -                      page.appendPathEntry( label.c_str(), true, make_property<PakPath4>( g_strPakPath[i] ) );
 -                      break;
 -}
 -      }
 +      page.appendSpacer( 4 );
 +      page.appendLabel( "", "Only a very few games support Pak Paths," );
 +      page.appendLabel( "", "if you don't know what it is, leave this blank." );
 +
 +      const char *label = "Pak Path ";
 +      page.appendPathEntry( label, true, make_property<PakPath0>( g_strPakPath[0] ) );
 +      page.appendPathEntry( label, true, make_property<PakPath1>( g_strPakPath[1] ) );
 +      page.appendPathEntry( label, true, make_property<PakPath2>( g_strPakPath[2] ) );
 +      page.appendPathEntry( label, true, make_property<PakPath3>( g_strPakPath[3] ) );
 +      page.appendPathEntry( label, true, make_property<PakPath4>( g_strPakPath[4] ) );
  }
  
  void Paths_constructPage( PreferenceGroup& group ){
@@@ -620,14 -595,14 +620,14 @@@ class PathsDialog : public Dialo
  {
  public:
  ui::Window BuildDialog(){
 -      auto frame = create_dialog_frame( "Path settings", ui::Shadow::ETCHED_IN );
 +      auto frame = create_dialog_frame( "Path Settings", ui::Shadow::ETCHED_IN );
  
        auto vbox2 = create_dialog_vbox( 0, 4 );
        frame.add(vbox2);
  
        {
 -              PreferencesPage preferencesPage( *this, vbox2 );
 -              Paths_constructPreferences( preferencesPage );
 +              PreferencesPage page( *this, vbox2 );
 +              Paths_constructBasicPreferences( page );
        }
  
        return ui::Window(create_simple_modal_dialog_window( "Engine Path Not Found", m_modal, frame ));
@@@ -786,7 -761,7 +786,7 @@@ void Radiant_detachGameToolsPathObserve
  void Radiant_Initialise(){
        GlobalModuleServer_Initialise();
  
 -      Radiant_loadModulesFromRoot( AppPath_get() );
 +      Radiant_loadModulesFromRoot( LibPath_get() );
  
        Preferences_Load();
  
@@@ -815,7 -790,7 +815,7 @@@ void Radiant_Shutdown()
  }
  
  void Exit(){
 -      if ( ConfirmModified( "Exit Radiant" ) ) {
 +      if ( ConfirmModified( "Exit " RADIANT_NAME ) ) {
                gtk_main_quit();
        }
  }
@@@ -976,53 -951,6 +976,53 @@@ void ColorScheme_Ydnar()
        XY_UpdateAllWindows();
  }
  
 +/* color scheme to fit the GTK Adwaita Dark theme */
 +void ColorScheme_AdwaitaDark()
 +{
 +      // SI_Colors0
 +      // GlobalTextureBrowser().color_textureback
 +      TextureBrowser_setBackgroundColour(GlobalTextureBrowser(), Vector3(0.25f, 0.25f, 0.25f));
 +
 +      // SI_Colors4
 +      g_camwindow_globals.color_cameraback = Vector3(0.25f, 0.25f, 0.25f);
 +      // SI_Colors12
 +      g_camwindow_globals.color_selbrushes3d = Vector3(1.0f, 0.0f, 0.0f);
 +      CamWnd_Update(*g_pParentWnd->GetCamWnd());
 +
 +      // SI_Colors1
 +      g_xywindow_globals.color_gridback = Vector3(0.25f, 0.25f, 0.25f);
 +      // SI_Colors2
 +      g_xywindow_globals.color_gridminor = Vector3(0.21f, 0.23f, 0.23f);
 +      // SI_Colors3
 +      g_xywindow_globals.color_gridmajor = Vector3(0.14f, 0.15f, 0.15f);
 +      // SI_Colors14
 +      g_xywindow_globals.color_gridmajor_alt = Vector3(1.0f, 0.0f, 0.0f);
 +      // SI_Colors6
 +      g_xywindow_globals.color_gridblock = Vector3(1.0f, 1.0f, 1.0f);
 +      // SI_Colors7
 +      g_xywindow_globals.color_gridtext = Vector3(0.0f, 0.0f, 0.0f);
 +      // ??
 +      g_xywindow_globals.color_selbrushes = Vector3(1.0f, 0.0f, 0.0f);
 +      // ??
 +      g_xywindow_globals.color_clipper = Vector3(0.0f, 0.0f, 1.0f);
 +      // SI_Colors8
 +      g_xywindow_globals.color_brushes = Vector3(0.73f, 0.73f, 0.73f);
 +
 +      // SI_AxisColors0
 +      g_xywindow_globals.AxisColorX = Vector3(1.0f, 0.0f, 0.0f);
 +      // SI_AxisColors1
 +      g_xywindow_globals.AxisColorY = Vector3(0.0f, 1.0f, 0.0f);
 +      // SI_AxisColors2
 +      g_xywindow_globals.AxisColorZ = Vector3(0.0f, 0.0f, 1.0f);
 +      SetWorldspawnColour(g_xywindow_globals.color_brushes);
 +      // ??
 +      g_xywindow_globals.color_viewname = Vector3(0.5f, 0.0f, 0.75f);
 +      XY_UpdateAllWindows();
 +
 +      // SI_Colors5
 +      // g_entity_globals.color_entity = Vector3(0.0f, 0.0f, 0.0f);
 +}
 +
  typedef Callback<void(Vector3&)> GetColourCallback;
  typedef Callback<void(const Vector3&)> SetColourCallback;
  
@@@ -1140,7 -1068,6 +1140,7 @@@ ui::MenuItem create_colours_menu()
        create_menu_item_with_mnemonic( menu_3, "Q3Radiant Original", "ColorSchemeQER" );
        create_menu_item_with_mnemonic( menu_3, "Black and Green", "ColorSchemeBlackAndGreen" );
        create_menu_item_with_mnemonic( menu_3, "Maya/Max/Lightwave Emulation", "ColorSchemeYdnar" );
 +      create_menu_item_with_mnemonic(menu_3, "Adwaita Dark", "ColorSchemeAdwaitaDark");
  
  #ifndef GARUX_DISABLE_GTKTHEME
        create_menu_item_with_mnemonic( menu_in_menu, "GTK Theme...", "gtkThemeDlg" );
@@@ -1818,11 -1745,9 +1818,11 @@@ void Selection_SnapToGrid()
  
  
  static gint qe_every_second( gpointer data ){
 -      GdkModifierType mask;
 +      if (g_pParentWnd == nullptr)
 +              return TRUE;
  
 -      gdk_window_get_pointer( 0, 0, 0, &mask );
 +      GdkModifierType mask;
 +      gdk_window_get_pointer( gtk_widget_get_window(g_pParentWnd->m_window), nullptr, nullptr, &mask );
  
        if ( ( mask & ( GDK_BUTTON1_MASK | GDK_BUTTON2_MASK | GDK_BUTTON3_MASK ) ) == 0 ) {
                QE_CheckAutoSave();
@@@ -1934,18 -1859,15 +1934,18 @@@ void ScreenUpdates_Disable( const char
                bool isActiveApp = MainFrame_isActiveApp();
  
                g_wait = create_wait_dialog( title, message );
 -              gtk_grab_add( g_wait.m_window  );
  
                if ( isActiveApp ) {
                        g_wait.m_window.show();
 +                      gtk_grab_add( g_wait.m_window  );
                        ScreenUpdates_process();
                }
        }
        else if ( g_wait.m_window.visible() ) {
                g_wait.m_label.text(message);
 +              if ( GTK_IS_WINDOW(g_wait.m_window) ) {
 +                      gtk_grab_add(g_wait.m_window);
 +              }
                ScreenUpdates_process();
        }
        g_wait_stack.push_back( message );
@@@ -2049,18 -1971,18 +2049,18 @@@ ui::MenuItem create_file_menu()
  #endif
  
        create_menu_item_with_mnemonic( menu, "_Open...", "OpenMap" );
        create_menu_item_with_mnemonic( menu, "_Import...", "ImportMap" );
+       menu_separator( menu );
        create_menu_item_with_mnemonic( menu, "_Save", "SaveMap" );
        create_menu_item_with_mnemonic( menu, "Save _as...", "SaveMapAs" );
        create_menu_item_with_mnemonic( menu, "_Export selected...", "ExportSelected" );
-       menu_separator( menu );
        create_menu_item_with_mnemonic( menu, "Save re_gion...", "SaveRegion" );
+       menu_separator( menu );
  //    menu_separator( menu );
  //    create_menu_item_with_mnemonic( menu, "_Refresh models", "RefreshReferences" );
  //    menu_separator( menu );
        create_menu_item_with_mnemonic( menu, "Pro_ject settings...", "ProjectSettings" );
-       menu_separator( menu );
+       //menu_separator( menu );
        create_menu_item_with_mnemonic( menu, "_Pointfile...", "TogglePointfile" );
        menu_separator( menu );
        MRU_constructMenu( menu );
@@@ -2170,9 -2092,6 +2170,9 @@@ ui::MenuItem create_view_menu( MainFram
                create_menu_item_with_mnemonic( camera_menu, "Far Clip Plane In", "CubicClipZoomIn" );
                create_menu_item_with_mnemonic( camera_menu, "Far Clip Plane Out", "CubicClipZoomOut" );
                menu_separator( camera_menu );
 +              create_menu_item_with_mnemonic( camera_menu, "Decrease FOV", "FOVDec" );
 +              create_menu_item_with_mnemonic( camera_menu, "Increase FOV", "FOVInc" );
 +              menu_separator( camera_menu );
                create_menu_item_with_mnemonic( camera_menu, "Next leak spot", "NextLeakSpot" );
                create_menu_item_with_mnemonic( camera_menu, "Previous leak spot", "PrevLeakSpot" );
                menu_separator( camera_menu );
@@@ -2425,7 -2344,7 +2425,7 @@@ ui::MenuItem create_help_menu()
  
        create_menu_item_with_mnemonic( menu, "Bug report", makeCallbackF(OpenBugReportURL) );
        create_menu_item_with_mnemonic( menu, "Shortcuts list", makeCallbackF(DoCommandListDlg) );
 -      create_menu_item_with_mnemonic( menu, "_About", makeCallbackF(DoAbout) );
 +      create_menu_item_with_mnemonic( menu, "_About...", makeCallbackF(DoAbout) );
  
        return help_menu_item;
  }
@@@ -2511,9 -2430,16 +2511,16 @@@ void SurfaceInspector_registerShortcuts
  }
  
  
+ void TexBro_registerShortcuts(){
+       command_connect_accelerator( "FindReplaceTextures" );
+       command_connect_accelerator( "RefreshShaders" );
+       //refresh models
+       command_connect_accelerator( "RefreshReferences" );
+ }
  void register_shortcuts(){
  //    PatchInspector_registerShortcuts();
-       Patch_registerShortcuts();
+       //Patch_registerShortcuts();
        Grid_registerShortcuts();
  //    XYWnd_registerShortcuts();
        CamWnd_registerShortcuts();
        SelectNudge_registerShortcuts();
  //    SnapToGrid_registerShortcuts();
  //    SelectByType_registerShortcuts();
+       TexBro_registerShortcuts();
  }
  
  void File_constructToolbar( ui::Toolbar toolbar ){
@@@ -2552,8 -2479,8 +2560,8 @@@ void Select_constructToolbar( ui::Toolb
  void CSG_constructToolbar( ui::Toolbar toolbar ){
        toolbar_append_button( toolbar, "CSG Subtract (SHIFT + U)", "selection_csgsubtract.png", "CSGSubtract" );
        toolbar_append_button( toolbar, "CSG Merge (CTRL + U)", "selection_csgmerge.png", "CSGMerge" );
-       toolbar_append_button( toolbar, "Make Hollow", "selection_makehollow.png", "CSGHollow" );
        toolbar_append_button( toolbar, "Make Room", "selection_makeroom.png", "CSGRoom" );
+       toolbar_append_button( toolbar, "CSG Tool", "ellipsis.png", "CSGTool" );
  }
  
  void ComponentModes_constructToolbar( ui::Toolbar toolbar ){
@@@ -2801,14 -2728,10 +2809,14 @@@ MainFrame::~MainFrame()
  
        for ( std::vector<ui::Widget>::iterator i = g_floating_windows.begin(); i != g_floating_windows.end(); ++i )
        {
 +#ifndef WORKAROUND_MACOS_GTK2_DESTROY
                i->destroy();
 +#endif
        }
  
 +#ifndef WORKAROUND_MACOS_GTK2_DESTROY
        m_window.destroy();
 +#endif
  }
  
  void MainFrame::SetActiveXY( XYWnd* p ){
@@@ -2965,16 -2888,13 +2973,16 @@@ WindowPositionTracker g_posXZWnd
  WindowPositionTracker g_posYZWnd;
  
  static gint mainframe_delete( ui::Widget widget, GdkEvent *event, gpointer data ){
 -      if ( ConfirmModified( "Exit Radiant" ) ) {
 +      if ( ConfirmModified( "Exit " RADIANT_NAME ) ) {
                gtk_main_quit();
        }
  
        return TRUE;
  }
  
 +PanedState g_single_hpaned = { 0.75f, -1, };
 +PanedState g_single_vpaned = { 0.75f, -1, };
 +
  void MainFrame::Create(){
        ui::Window window = ui::Window( ui::window_type::TOP );
  
  
        window.show();
  
 -      if ( CurrentStyle() == eRegular || CurrentStyle() == eRegularLeft ) {
 +      if ( CurrentStyle() == eRegular || CurrentStyle() == eRegularLeft )
 +      {
                {
                        ui::Widget hsplit = ui::HPaned(ui::New);
                        m_hSplit = hsplit;
  
                gtk_paned_set_position( GTK_PANED( m_vSplit2 ), g_layout_globals.nCamHeight );
        }
 -      else if ( CurrentStyle() == eFloating ) {
 +      else if ( CurrentStyle() == eFloating )
 +      {
                {
                        ui::Window window = ui::Window(create_persistent_floating_window( "Camera", m_window ));
                        global_accel_connect_window( window );
                                window.add(frame);
                        }
                        CamWnd_setParent( *m_pCamWnd, window );
 -#define GARUX_GTK_WORKAROUND
 -#ifndef GARUX_GTK_WORKAROUND
 -                      /* workaround for gtk 2.24 issue: not displayed glwidget after toggle */
 -                      g_object_set_data( G_OBJECT( window ), "glwidget", CamWnd_getWidget( *m_pCamWnd ) );
 -#endif
 +
 +                      WORKAROUND_GOBJECT_SET_GLWIDGET( window, CamWnd_getWidget( *m_pCamWnd ) );
  
                        g_floating_windows.push_back( window );
                }
                                window.add(frame);
                        }
                        XY_Top_Shown_Construct( window );
 -#ifndef GARUX_GTK_WORKAROUND
 -                      /* workaround for gtk 2.24 issue: not displayed glwidget after toggle */
 -                      g_object_set_data( G_OBJECT( window ), "glwidget", m_pXYWnd->GetWidget() );
 -#endif
 +
 +                      WORKAROUND_GOBJECT_SET_GLWIDGET( window, m_pXYWnd->GetWidget() );
  
                        g_floating_windows.push_back( window );
                }
                        }
  
                        XZ_Front_Shown_Construct( window );
 -#ifndef GARUX_GTK_WORKAROUND
 -                      /* workaround for gtk 2.24 issue: not displayed glwidget after toggle */
 -                      g_object_set_data( G_OBJECT( window ), "glwidget", m_pXZWnd->GetWidget() );
 -#endif
 +
 +                      WORKAROUND_GOBJECT_SET_GLWIDGET( window, m_pXZWnd->GetWidget() );
  
                        g_floating_windows.push_back( window );
                }
                        }
  
                        YZ_Side_Shown_Construct( window );
 -#ifndef GARUX_GTK_WORKAROUND
 -                      /* workaround for gtk 2.24 issue: not displayed glwidget after toggle */
 -                      g_object_set_data( G_OBJECT( window ), "glwidget", m_pYZWnd->GetWidget() );
 -#endif
 +
 +                      WORKAROUND_GOBJECT_SET_GLWIDGET( window, m_pYZWnd->GetWidget() );
  
                        g_floating_windows.push_back( window );
                }
                {
                        auto frame = create_framed_widget( TextureBrowser_constructWindow( GroupDialog_getWindow() ) );
                        g_page_textures = GroupDialog_addPage( "Textures", frame, TextureBrowserExportTitleCaller() );
 -#ifndef GARUX_GTK_WORKAROUND
 -                      /* workaround for gtk 2.24 issue: not displayed glwidget after toggle */
 -                      g_object_set_data( G_OBJECT( GroupDialog_getWindow() ), "glwidget", TextureBrowser_getGLWidget() );
 -#endif
  
 +                      WORKAROUND_GOBJECT_SET_GLWIDGET( GroupDialog_getWindow(), TextureBrowser_getGLWidget() );
                }
  
                GroupDialog_show();
        }
 -      else // 4 way
 +      else if ( CurrentStyle() == eSplit )
        {
                m_pCamWnd = NewCamWnd();
                GlobalCamera_setCamWnd( *m_pCamWnd );
                {
              auto frame = create_framed_widget( TextureBrowser_constructWindow( GroupDialog_getWindow() ) );
                        g_page_textures = GroupDialog_addPage( "Textures", frame, TextureBrowserExportTitleCaller() );
 -#ifndef GARUX_GTK_WORKAROUND
 -                      /* workaround for gtk 2.24 issue: not displayed glwidget after toggle */
 -                      g_object_set_data( G_OBJECT( GroupDialog_getWindow() ), "glwidget", TextureBrowser_getGLWidget() );
 -#endif
 +
 +                      WORKAROUND_GOBJECT_SET_GLWIDGET( window, TextureBrowser_getGLWidget() );
                }
        }
 +      else // single window
 +      {
 +              m_pCamWnd = NewCamWnd();
 +              GlobalCamera_setCamWnd( *m_pCamWnd );
 +              CamWnd_setParent( *m_pCamWnd, window );
 +
 +              ui::Widget camera = CamWnd_getWidget( *m_pCamWnd );
 +
 +              m_pYZWnd = new XYWnd();
 +              m_pYZWnd->SetViewType( YZ );
 +
 +              ui::Widget yz = m_pYZWnd->GetWidget();
 +
 +              m_pXYWnd = new XYWnd();
 +              m_pXYWnd->SetViewType( XY );
 +
 +              ui::Widget xy = m_pXYWnd->GetWidget();
 +
 +              m_pXZWnd = new XYWnd();
 +              m_pXZWnd->SetViewType( XZ );
 +
 +              ui::Widget xz = m_pXZWnd->GetWidget();
 +
 +              ui::Widget hsplit = ui::HPaned(ui::New);
 +              vbox.pack_start( hsplit, TRUE, TRUE, 0 );
 +              hsplit.show();
 +
 +              ui::Widget split = create_split_views( camera, yz, xy, xz );
 +
 +              ui::Widget vsplit = ui::VPaned(ui::New);
 +              vsplit.show();
 +
 +              // textures
 +              ui::Widget texture_window = create_framed_widget( TextureBrowser_constructWindow( window ) );
 +
 +              // console
 +              ui::Widget console_window = create_framed_widget( Console_constructWindow( window ) );
 +
 +              gtk_paned_add1( GTK_PANED( hsplit ), split );
 +              gtk_paned_add2( GTK_PANED( hsplit ), vsplit );
 +
 +              gtk_paned_add1( GTK_PANED( vsplit ), texture_window  );
 +              gtk_paned_add2( GTK_PANED( vsplit ), console_window  );
 +
 +              hsplit.connect( "size_allocate", G_CALLBACK( hpaned_allocate ), &g_single_hpaned );
 +              hsplit.connect( "notify::position", G_CALLBACK( paned_position ), &g_single_hpaned );
 +
 +              vsplit.connect( "size_allocate", G_CALLBACK( vpaned_allocate ), &g_single_vpaned );
 +              vsplit.connect( "notify::position", G_CALLBACK( paned_position ), &g_single_vpaned );
 +      }
  
        EntityList_constructWindow( window );
        PreferencesDialog_constructWindow( window );
@@@ -3412,7 -3294,7 +3420,7 @@@ void MainFrame::SetStatusText( CopiedSt
  }
  
  void Sys_Status( const char* status ){
 -      if ( g_pParentWnd != 0 ) {
 +      if ( g_pParentWnd != nullptr ) {
                g_pParentWnd->SetStatusText( g_pParentWnd->m_command_status, status );
        }
  }
@@@ -3444,7 -3326,7 +3452,7 @@@ void MainFrame::SetGridStatus()
  }
  
  void GridStatus_onTextureLockEnabledChanged(){
 -      if ( g_pParentWnd != 0 ) {
 +      if ( g_pParentWnd != nullptr ) {
                g_pParentWnd->SetGridStatus();
        }
  }
@@@ -3489,7 -3371,7 +3497,7 @@@ void GlobalGL_sharedContextDestroyed()
  
  void Layout_constructPreferences( PreferencesPage& page ){
        {
 -              const char* layouts[] = { "window1.png", "window2.png", "window3.png", "window4.png" };
 +              const char* layouts[] = { "window1.png", "window2.png", "window3.png", "window4.png", "window5.png" };
                page.appendRadioIcons(
                        "Window Layout",
                        STRING_ARRAY_RANGE( layouts ),
@@@ -3525,9 -3407,9 +3533,9 @@@ void Layout_registerPreferencesPage()
        PreferencesDialog_addInterfacePage( makeCallbackF(Layout_constructPage) );
  }
  
 -
  #include "preferencesystem.h"
  #include "stringio.h"
 +#include "transformpath/transformpath.h"
  
  void MainFrame_Construct(){
        GlobalCommands_insert( "OpenManual", makeCallbackF(OpenHelpURL), Accelerator( GDK_KEY_F1 ) );
        GlobalCommands_insert( "ColorSchemeQER", makeCallbackF(ColorScheme_QER) );
        GlobalCommands_insert( "ColorSchemeBlackAndGreen", makeCallbackF(ColorScheme_Black) );
        GlobalCommands_insert( "ColorSchemeYdnar", makeCallbackF(ColorScheme_Ydnar) );
 +      GlobalCommands_insert("ColorSchemeAdwaitaDark", makeCallbackF(ColorScheme_AdwaitaDark));
        GlobalCommands_insert( "ChooseTextureBackgroundColor", makeCallback( g_ColoursMenu.m_textureback ) );
        GlobalCommands_insert( "ChooseGridBackgroundColor", makeCallback( g_ColoursMenu.m_xyback ) );
        GlobalCommands_insert( "ChooseGridMajorColor", makeCallback( g_ColoursMenu.m_gridmajor ) );
  
        GlobalCommands_insert( "CSGSubtract", makeCallbackF(CSG_Subtract), Accelerator( 'U', (GdkModifierType)GDK_SHIFT_MASK ) );
        GlobalCommands_insert( "CSGMerge", makeCallbackF(CSG_Merge), Accelerator( 'U', (GdkModifierType) GDK_CONTROL_MASK ) );
-       GlobalCommands_insert( "CSGHollow", makeCallbackF(CSG_MakeHollow) );
        GlobalCommands_insert( "CSGRoom", makeCallbackF(CSG_MakeRoom) );
+       GlobalCommands_insert( "CSGTool", makeCallbackF(CSG_Tool) );
  
        Grid_registerCommands();
  
  #error "unknown platform"
  #endif
                ;
 +
                StringOutputStream path( 256 );
                path << DirectoryCleaned( g_pGameDescription->getRequiredKeyValue( ENGINEPATH_ATTRIBUTE ) );
 -              g_strEnginePath = path.c_str();
 +
 +              g_strEnginePath = transformPath( path.c_str() ).c_str();
                GlobalPreferenceSystem().registerPreference( "EnginePath", make_property_string( g_strEnginePath ) );
        }
  
        g_entityCount.setCountChangedCallback( makeCallbackF(QE_entityCountChanged) );
        GlobalEntityCreator().setCounter( &g_entityCount );
  
 -      GLWidget_sharedContextCreated = GlobalGL_sharedContextCreated;
 -      GLWidget_sharedContextDestroyed = GlobalGL_sharedContextDestroyed;
 +      glwidget_set_shared_context_constructors( GlobalGL_sharedContextCreated, GlobalGL_sharedContextDestroyed);
  
        GlobalEntityClassManager().attach( g_WorldspawnColourEntityClassObserver );
  }
@@@ -3744,61 -3624,3 +3752,61 @@@ void GLWindow_Construct()
  
  void GLWindow_Destroy(){
  }
 +
 +/* HACK: If ui::main is not called yet,
 +gtk_main_quit will not quit, so tell main
 +to not call ui::main. This happens when a
 +map is loaded from command line and require
 +a restart because of wrong format.
 +Delete this when the code to not have to
 +restart to load another format is merged. */
 +extern bool g_dontStart;
 +
 +void Radiant_Restart(){
 +      // preferences are expected to be already saved in any way
 +      // this is just to be sure and be future proof
 +      Preferences_Save();
 +
 +      // this asks user for saving if map is modified
 +      // user can chose to not save, it's ok
 +      ConfirmModified( "Restart " RADIANT_NAME );
 +
 +      int status;
 +
 +      char *argv[ 3 ];
 +      char exe_file[ 256 ];
 +      char map_file[ 256 ];
 +      bool with_map = false;
 +
 +      strncpy( exe_file, g_strAppFilePath.c_str(), 256 );
 +
 +      if ( !Map_Unnamed( g_map ) ) {
 +              strncpy( map_file, Map_Name( g_map ), 256 );
 +              with_map = true;
 +      }
 +
 +      argv[ 0 ] = exe_file;
 +      argv[ 1 ] = with_map ? map_file : NULL;
 +      argv[ 2 ] = NULL;
 +
 +#if GDEF_OS_WINDOWS
 +      status = !_spawnvpe( P_NOWAIT, exe_file, argv, environ );
 +#else
 +      pid_t pid;
 +
 +      status = posix_spawn( &pid, exe_file, NULL, NULL, argv, environ );
 +#endif
 +
 +      // quit if radiant successfully started
 +      if ( status == 0 ) {
 +              gtk_main_quit();
 +              /* HACK: If ui::main is not called yet,
 +              gtk_main_quit will not quit, so tell main
 +              to not call ui::main. This happens when a
 +              map is loaded from command line and require
 +              a restart because of wrong format.
 +              Delete this when the code to not have to
 +              restart to load another format is merged. */
 +              g_dontStart = true;
 +      }
 +}
diff --combined radiant/texwindow.cpp
index 451f94a64237869f06ff0a4a27a2af3aa44ad65d,6b9fa79531ad551cbc2833b2afbda8f9abda6260..1e213b5745b8ab7b673c401d2a6bbfcaa84001eb
@@@ -101,7 -101,12 +101,7 @@@ typedef std::set<CopiedString> TextureG
  
  void TextureGroups_addWad( TextureGroups& groups, const char* archive ){
        if ( extension_equal( path_get_extension( archive ), "wad" ) ) {
 -#if 1
                groups.insert( archive );
 -#else
 -              CopiedString archiveBaseName( path_get_filename_start( archive ), path_get_filename_base_end( archive ) );
 -              groups.insert( archiveBaseName );
 -#endif
        }
  }
  
@@@ -271,14 -276,6 +271,14 @@@ int m_nTotalHeight
  CopiedString shader;
  
  ui::Window m_parent{ui::null};
 +#ifdef WORKAROUND_MACOS_GTK2_GLWIDGET
 +ui::VBox m_vframe{ui::null};
 +ui::VBox m_vfiller{ui::null};
 +ui::HBox m_hframe{ui::null};
 +ui::HBox m_hfiller{ui::null};
 +#else // !WORKAROUND_MACOS_GTK2_GLWIDGET
 +ui::VBox m_frame{ui::null};
 +#endif // !WORKAROUND_MACOS_GTK2_GLWIDGET
  ui::GLArea m_gl_widget{ui::null};
  ui::Widget m_texture_scroll{ui::null};
  ui::TreeView m_treeViewTree{ui::New};
@@@ -407,7 -404,7 +407,7 @@@ void ( *TextureBrowser_textureSelected 
  void TextureBrowser_updateScroll( TextureBrowser& textureBrowser );
  
  
 -const char* TextureBrowser_getComonShadersName(){
 +const char* TextureBrowser_getCommonShadersName(){
        const char* value = g_pGameDescription->getKeyValue( "common_shaders_name" );
        if ( !string_empty( value ) ) {
                return value;
        return "Common";
  }
  
 -const char* TextureBrowser_getComonShadersDir(){
 +const char* TextureBrowser_getCommonShadersDir(){
        const char* value = g_pGameDescription->getKeyValue( "common_shaders_dir" );
        if ( !string_empty( value ) ) {
                return value;
@@@ -591,15 -588,7 +591,15 @@@ bool Texture_IsShown( IShader* shader, 
                }
        }
        else {
 -              if ( !shader_equal_prefix( shader_get_textureName( shader->getName() ), g_TextureBrowser_currentDirectory.c_str() ) ) {
 +              if ( TextureBrowser_showWads() )
 +              {
 +                      if ( g_TextureBrowser_currentDirectory != ""
 +                              && !string_equal( shader->getWadName(), g_TextureBrowser_currentDirectory.c_str() ) )
 +                      {
 +                              return false;
 +                      }
 +              }
 +              else if ( !shader_equal_prefix( shader_get_textureName( shader->getName() ), g_TextureBrowser_currentDirectory.c_str() ) ) {
                        return false;
                }
        }
@@@ -797,7 -786,6 +797,7 @@@ public
  void visit( const char* name ){
        IShader* shader = QERApp_Shader_ForName( CopiedString( StringRange( name, path_get_filename_base_end( name ) ) ).c_str() );
        shader->DecRef();
 +      shader->setWadName( g_TextureBrowser_currentDirectory.c_str() );
  }
  };
  
@@@ -840,14 -828,6 +840,14 @@@ void operator()( const char* name ) con
  };
  
  void TextureDirectory_loadTexture( const char* directory, const char* texture ){
 +      // Doom3-like dds/ prefix (used by DarkPlaces).
 +      // When we list dds/textures/ folder,
 +      // store the texture names without dds/ prefix.
 +      if ( !strncmp( "dds/", directory, 4 ) )
 +      {
 +              directory = &directory[ 4 ];
 +      }
 +
        StringOutputStream name( 256 );
        name << directory << StringRange( texture, path_get_filename_base_end( texture ) );
  
@@@ -882,22 -862,10 +882,22 @@@ void visit( const char* minor, const _Q
  
  void TextureBrowser_ShowDirectory( TextureBrowser& textureBrowser, const char* directory ){
        if ( TextureBrowser_showWads() ) {
 +              g_TextureBrowser_currentDirectory = directory;
 +              TextureBrowser_heightChanged( textureBrowser );
 +
                Archive* archive = GlobalFileSystem().getArchive( directory );
 -              ASSERT_NOTNULL( archive );
 +              if ( archive != nullptr )
 +              {
                LoadShaderVisitor visitor;
                archive->forEachFile( Archive::VisitorFunc( visitor, Archive::eFiles, 0 ), "textures/" );
 +
 +                      // Doom3-like dds/ prefix (used by DarkPlaces).
 +                      archive->forEachFile( Archive::VisitorFunc( visitor, Archive::eFiles, 0 ), "dds/textures/" );
 +              }
 +              else if ( extension_equal_i( path_get_extension( directory ), "wad" ) )
 +              {
 +                      globalErrorStream() << "Failed to load " << directory << "\n";
 +              }
        }
        else
        {
                        StringOutputStream dirstring( 64 );
                        dirstring << "textures/" << directory;
  
 -                      Radiant_getImageModules().foreachModule( LoadTexturesByTypeVisitor( dirstring.c_str() ) );
 +                      {
 +                              LoadTexturesByTypeVisitor visitor( dirstring.c_str() );
 +                              Radiant_getImageModules().foreachModule( visitor );
 +                      }
 +
 +                      // Doom3-like dds/ prefix (used by DarkPlaces).
 +                      dirstring.clear();
 +                      dirstring << "dds/textures/" << directory;
 +
 +                      {
 +                              LoadTexturesByTypeVisitor visitor( dirstring.c_str() );
 +                              Radiant_getImageModules().foreachModule( visitor );
 +                      }
                }
        }
  
@@@ -953,15 -909,6 +953,15 @@@ void TextureBrowser_ShowTagSearchResult
                        LoadTexturesByTypeVisitor visitor( dirstring.c_str() );
                        Radiant_getImageModules().foreachModule( visitor );
                }
 +
 +              // Doom3-like dds/ prefix (used by DarkPlaces).
 +              dirstring.clear();
 +              dirstring << "dds/textures/" << directory;
 +
 +              {
 +                      LoadTexturesByTypeVisitor visitor( dirstring.c_str() );
 +                      Radiant_getImageModules().foreachModule( visitor );
 +              }
        }
  
        // we'll display the newly loaded textures + all the ones already in use
@@@ -1036,7 -983,7 +1036,7 @@@ void TextureBrowser_SetHideUnused( Text
  
  void TextureBrowser_ShowStartupShaders( TextureBrowser& textureBrowser ){
        if ( textureBrowser.m_startupShaders == STARTUPSHADERS_COMMON ) {
 -              TextureBrowser_ShowDirectory( textureBrowser, TextureBrowser_getComonShadersDir() );
 +              TextureBrowser_ShowDirectory( textureBrowser, TextureBrowser_getCommonShadersDir() );
        }
  }
  
@@@ -1176,10 -1123,7 +1176,10 @@@ void TextureBrowser_trackingDelta( int 
  
  void TextureBrowser_Tracking_MouseUp( TextureBrowser& textureBrowser ){
        textureBrowser.m_move_started = false;
 -      textureBrowser.m_freezePointer.unfreeze_pointer( textureBrowser.m_parent );
 +      /* NetRadiantCustom did this instead:
 +      textureBrowser.m_freezePointer.unfreeze_pointer( textureBrowser.m_gl_widget ); */
 +
 +      textureBrowser.m_freezePointer.unfreeze_pointer( textureBrowser.m_gl_widget );
  }
  
  void TextureBrowser_Tracking_MouseDown( TextureBrowser& textureBrowser ){
                TextureBrowser_Tracking_MouseUp( textureBrowser );
        }
        textureBrowser.m_move_started = true;
 -      textureBrowser.m_freezePointer.freeze_pointer( textureBrowser.m_parent, textureBrowser.m_gl_widget, TextureBrowser_trackingDelta, &textureBrowser );
 +      /* NetRadiantCustom did this instead:
 +      textureBrowser.m_freezePointer.freeze_pointer( textureBrowser.m_parent, textureBrowser.m_gl_widget, TextureBrowser_trackingDelta, &textureBrowser ); */
 +      textureBrowser.m_freezePointer.freeze_pointer( textureBrowser.m_gl_widget, TextureBrowser_trackingDelta, &textureBrowser );
  }
  
  void TextureBrowser_Selection_MouseDown( TextureBrowser& textureBrowser, guint32 flags, int pointx, int pointy ){
@@@ -1219,7 -1161,6 +1219,7 @@@ void Texture_Draw( TextureBrowser& text
                                  textureBrowser.color_textureback[1],
                                  textureBrowser.color_textureback[2],
                                  0 );
 +
        glViewport( 0, 0, textureBrowser.width, textureBrowser.height );
        glMatrixMode( GL_PROJECTION );
        glLoadIdentity();
                                glVertex2f( xfMax ,yfMin );
                                glVertex2f( xfMax ,yfMax );
                                glEnd();
+                               glEnable( GL_TEXTURE_2D );
                        }
  
                        // shader stipple:
                        if ( !shader->IsDefault() ) {
                                glEnable( GL_LINE_STIPPLE );
                                glLineStipple( 1, 0xF000 );
+                               glDisable( GL_TEXTURE_2D );
                                glBegin( GL_LINE_LOOP );
                                glColor3f( 0, 0, 0 );
                                glVertex2f( xfMin ,yfMax );
@@@ -1529,7 -1472,7 +1531,7 @@@ void BuildStoreAvailableTags(   ui::Lis
  gboolean TextureBrowser_button_press( ui::Widget widget, GdkEventButton* event, TextureBrowser* textureBrowser ){
        if ( event->type == GDK_BUTTON_PRESS ) {
                if ( event->button == 3 ) {
 -                      if ( GlobalTextureBrowser().m_tags ) {
 +                      if ( textureBrowser->m_tags ) {
                                textureBrowser->m_rmbSelected = true;
                                TextureBrowser_Selection_MouseDown( *textureBrowser, event->state, static_cast<int>( event->x ), static_cast<int>( event->y ) );
  
                else if ( event->button == 1 ) {
                        TextureBrowser_Selection_MouseDown( *textureBrowser, event->state, static_cast<int>( event->x ), static_cast<int>( event->y ) );
  
 -                      if ( GlobalTextureBrowser().m_tags ) {
 +                      if ( textureBrowser->m_tags ) {
                                textureBrowser->m_rmbSelected = false;
                                textureBrowser->m_tag_frame.hide();
                        }
                #endif
        }
        else if ( event->type == GDK_2BUTTON_PRESS && event->button == 3 ) {
 -              ScopeDisableScreenUpdates disableScreenUpdates( TextureBrowser_getComonShadersDir(), "Loading Textures" );
 -              TextureBrowser_ShowDirectory( *textureBrowser, TextureBrowser_getComonShadersDir() );
 +              ScopeDisableScreenUpdates disableScreenUpdates( TextureBrowser_getCommonShadersDir(), "Loading Textures" );
 +              TextureBrowser_ShowDirectory( *textureBrowser, TextureBrowser_getCommonShadersDir() );
                TextureBrowser_queueDraw( *textureBrowser );
        }
        return FALSE;
  gboolean TextureBrowser_button_release( ui::Widget widget, GdkEventButton* event, TextureBrowser* textureBrowser ){
        if ( event->type == GDK_BUTTON_RELEASE ) {
                if ( event->button == 3 ) {
 -                      if ( !GlobalTextureBrowser().m_tags ) {
 +                      if ( !textureBrowser->m_tags ) {
                                TextureBrowser_Tracking_MouseUp( *textureBrowser );
                        }
                }
@@@ -1647,7 -1590,7 +1649,7 @@@ gboolean TextureBrowser_size_allocate( 
        return FALSE;
  }
  
 -gboolean TextureBrowser_expose( ui::Widget widget, GdkEventExpose* event, TextureBrowser* textureBrowser ){
 +void TextureBrowser_redraw( TextureBrowser* textureBrowser ){
        if ( glwidget_make_current( textureBrowser->m_gl_widget ) != FALSE ) {
                GlobalOpenGL_debugAssertNoErrors();
                TextureBrowser_evaluateHeight( *textureBrowser );
                GlobalOpenGL_debugAssertNoErrors();
                glwidget_swap_buffers( textureBrowser->m_gl_widget );
        }
 -      return FALSE;
  }
  
 -
 -TextureBrowser g_TextureBrowser;
 +gboolean TextureBrowser_expose( ui::Widget widget, GdkEventExpose* event, TextureBrowser* textureBrowser ){
 +      TextureBrowser_redraw( textureBrowser );
 +      return FALSE;
 +}
  
  TextureBrowser& GlobalTextureBrowser(){
 -      return g_TextureBrowser;
 +      static TextureBrowser textureBrowser;
 +      return textureBrowser;
  }
  
  bool TextureBrowser_hideUnused(){
 -      return g_TextureBrowser.m_hideUnused;
 +      return GlobalTextureBrowser().m_hideUnused;
  }
  
  void TextureBrowser_ToggleHideUnused(){
 -      if ( g_TextureBrowser.m_hideUnused ) {
 -              TextureBrowser_SetHideUnused( g_TextureBrowser, false );
 +      TextureBrowser &textureBrowser = GlobalTextureBrowser();
 +      if ( textureBrowser.m_hideUnused ) {
 +              TextureBrowser_SetHideUnused( textureBrowser, false );
        }
        else
        {
 -              TextureBrowser_SetHideUnused( g_TextureBrowser, true );
 +              TextureBrowser_SetHideUnused( textureBrowser, true );
 +      }
 +}
 +
 +const char* TextureGroups_transformDirName( const char* dirName, StringOutputStream *archiveName )
 +{
 +      if ( TextureBrowser_showWads() ) {
 +              archiveName->clear();
 +              *archiveName << StringRange( path_get_filename_start( dirName ), path_get_filename_base_end( dirName ) ) \
 +                      << "." << path_get_extension( dirName );
 +              return archiveName->c_str();
        }
 +      return dirName;
  }
  
  void TextureGroups_constructTreeModel( TextureGroups groups, ui::TreeStore store ){
        TextureGroups::const_iterator i = groups.begin();
        while ( i != groups.end() )
        {
 -              const char* dirName = ( *i ).c_str();
 +              StringOutputStream archiveName;
 +              StringOutputStream nextArchiveName;
 +              const char* dirName = TextureGroups_transformDirName( ( *i ).c_str(), &archiveName );
 +
                const char* firstUnderscore = strchr( dirName, '_' );
                StringRange dirRoot( dirName, ( firstUnderscore == 0 ) ? dirName : firstUnderscore + 1 );
  
                TextureGroups::const_iterator next = i;
                ++next;
 +
                if ( firstUnderscore != 0
                         && next != groups.end()
 -                       && string_equal_start( ( *next ).c_str(), dirRoot ) ) {
 +                       && string_equal_start( TextureGroups_transformDirName( ( *next ).c_str(), &nextArchiveName ), dirRoot ) ) {
                        gtk_tree_store_append( store, &iter, NULL );
                        gtk_tree_store_set( store, &iter, 0, CopiedString( StringRange( dirName, firstUnderscore ) ).c_str(), -1 );
  
                        // keep going...
 -                      while ( i != groups.end() && string_equal_start( ( *i ).c_str(), dirRoot ) )
 +                      while ( i != groups.end() && string_equal_start( TextureGroups_transformDirName( ( *i ).c_str(), &nextArchiveName ), dirRoot ) )
                        {
                                gtk_tree_store_append( store, &child, &iter );
 -                              gtk_tree_store_set( store, &child, 0, ( *i ).c_str(), -1 );
 +                              gtk_tree_store_set( store, &child, 0, TextureGroups_transformDirName( ( *i ).c_str(), &nextArchiveName ), -1 );
                                ++i;
                        }
                }
@@@ -1757,18 -1682,17 +1759,18 @@@ void TextureBrowser_constructTreeStore(
        auto store = ui::TreeStore::from(gtk_tree_store_new( 1, G_TYPE_STRING ));
        TextureGroups_constructTreeModel( groups, store );
  
 -      gtk_tree_view_set_model(g_TextureBrowser.m_treeViewTree, store);
 +      gtk_tree_view_set_model(GlobalTextureBrowser().m_treeViewTree, store);
  
        g_object_unref( G_OBJECT( store ) );
  }
  
  void TextureBrowser_constructTreeStoreTags(){
        TextureGroups groups;
 +      TextureBrowser &textureBrowser = GlobalTextureBrowser();
        auto store = ui::TreeStore::from(gtk_tree_store_new( 1, G_TYPE_STRING ));
 -    auto model = g_TextureBrowser.m_all_tags_list;
 +      auto model = GlobalTextureBrowser().m_all_tags_list;
  
 -      gtk_tree_view_set_model(g_TextureBrowser.m_treeViewTags, model );
 +      gtk_tree_view_set_model(GlobalTextureBrowser().m_treeViewTags, model );
  
        g_object_unref( G_OBJECT( store ) );
  }
@@@ -1786,7 -1710,7 +1788,7 @@@ void TreeView_onRowActivated( ui::TreeV
                strcpy( dirName, buffer );
                g_free( buffer );
  
 -              g_TextureBrowser.m_searchedTags = false;
 +              GlobalTextureBrowser().m_searchedTags = false;
  
                if ( !TextureBrowser_showWads() ) {
                        strcat( dirName, "/" );
  }
  
  void TextureBrowser_createTreeViewTree(){
 -      gtk_tree_view_set_enable_search(g_TextureBrowser.m_treeViewTree, FALSE );
 +      TextureBrowser &textureBrowser = GlobalTextureBrowser();
 +      gtk_tree_view_set_enable_search(textureBrowser.m_treeViewTree, FALSE );
  
 -      gtk_tree_view_set_headers_visible(g_TextureBrowser.m_treeViewTree, FALSE );
 -      g_TextureBrowser.m_treeViewTree.connect( "row-activated", (GCallback) TreeView_onRowActivated, NULL );
 +      gtk_tree_view_set_headers_visible(textureBrowser.m_treeViewTree, FALSE );
 +      textureBrowser.m_treeViewTree.connect( "row-activated", (GCallback) TreeView_onRowActivated, NULL );
  
        auto renderer = ui::CellRendererText(ui::New);
 -      gtk_tree_view_insert_column_with_attributes(g_TextureBrowser.m_treeViewTree, -1, "", renderer, "text", 0, NULL );
 +      gtk_tree_view_insert_column_with_attributes(textureBrowser.m_treeViewTree, -1, "", renderer, "text", 0, NULL );
  
        TextureBrowser_constructTreeStore();
  }
@@@ -1859,22 -1782,20 +1861,22 @@@ gboolean TreeViewTags_onButtonPressed( 
  }
  
  void TextureBrowser_createTreeViewTags(){
 -      g_TextureBrowser.m_treeViewTags = ui::TreeView(ui::New);
 -      gtk_tree_view_set_enable_search(g_TextureBrowser.m_treeViewTags, FALSE );
 +      TextureBrowser &textureBrowser = GlobalTextureBrowser();
 +      textureBrowser.m_treeViewTags = ui::TreeView(ui::New);
 +      gtk_tree_view_set_enable_search(textureBrowser.m_treeViewTags, FALSE );
  
 -      g_TextureBrowser.m_treeViewTags.connect( "button-press-event", (GCallback)TreeViewTags_onButtonPressed, NULL );
 +      textureBrowser.m_treeViewTags.connect( "button-press-event", (GCallback)TreeViewTags_onButtonPressed, NULL );
  
 -      gtk_tree_view_set_headers_visible(g_TextureBrowser.m_treeViewTags, FALSE );
 +      gtk_tree_view_set_headers_visible(textureBrowser.m_treeViewTags, FALSE );
  
        auto renderer = ui::CellRendererText(ui::New);
 -      gtk_tree_view_insert_column_with_attributes(g_TextureBrowser.m_treeViewTags, -1, "", renderer, "text", 0, NULL );
 +      gtk_tree_view_insert_column_with_attributes(textureBrowser.m_treeViewTags, -1, "", renderer, "text", 0, NULL );
  
        TextureBrowser_constructTreeStoreTags();
  }
  
  ui::MenuItem TextureBrowser_constructViewMenu( ui::Menu menu ){
 +      TextureBrowser &textureBrowser = GlobalTextureBrowser();
        ui::MenuItem textures_menu_item = ui::MenuItem(new_sub_menu_item_with_mnemonic( "_View" ));
  
        if ( g_Layout_enableDetachableMenus.m_value ) {
  
  
        // we always want to show shaders but don't want a "Show Shaders" menu for doom3 and .wad file games
 -      if ( g_pGameDescription->mGameType == "doom3" || !string_empty( g_pGameDescription->getKeyValue( "show_wads" ) ) ) {
 -              g_TextureBrowser.m_showShaders = true;
 +      if ( g_pGameDescription->mGameType == "doom3" || TextureBrowser_showWads() ) {
 +              textureBrowser.m_showShaders = true;
        }
        else
        {
                menu_separator( menu );
        }
  
 -      if ( g_TextureBrowser.m_tags ) {
 +      if ( textureBrowser.m_tags ) {
                create_menu_item_with_mnemonic( menu, "Show Untagged", "ShowUntagged" );
        }
        if ( g_pGameDescription->mGameType != "doom3" && string_empty( g_pGameDescription->getKeyValue( "show_wads" ) ) ) {
  
        if ( string_empty( g_pGameDescription->getKeyValue( "show_wads" ) ) ) {
                menu_separator( menu );
 -              g_TextureBrowser.m_shader_info_item = ui::Widget(create_menu_item_with_mnemonic( menu, "Shader Info", "ShaderInfo"  ));
 -              gtk_widget_set_sensitive( g_TextureBrowser.m_shader_info_item, FALSE );
 +              textureBrowser.m_shader_info_item = ui::Widget(create_menu_item_with_mnemonic( menu, "Shader Info", "ShaderInfo"  ));
 +              gtk_widget_set_sensitive( textureBrowser.m_shader_info_item, FALSE );
        }
  
  
@@@ -1958,7 -1879,7 +1960,7 @@@ ui::MenuItem TextureBrowser_constructTa
        return textures_menu_item;
  }
  
 -gboolean TextureBrowser_tagMoveHelper( ui::TreeModel model, ui::TreePath path, GtkTreeIter iter, GSList** selected ){
 +gboolean TextureBrowser_tagMoveHelper( ui::TreeModel model, ui::TreePath path, GtkTreeIter* iter, GSList** selected ){
        g_assert( selected != NULL );
  
      auto rowref = gtk_tree_row_reference_new( model, path );
@@@ -1971,9 -1892,8 +1973,9 @@@ void TextureBrowser_assignTags()
        GSList* selected = NULL;
        GSList* node;
        gchar* tag_assigned;
 +      TextureBrowser &textureBrowser = GlobalTextureBrowser();
  
 -    auto selection = gtk_tree_view_get_selection(g_TextureBrowser.m_available_tree );
 +      auto selection = gtk_tree_view_get_selection(textureBrowser.m_available_tree );
  
        gtk_tree_selection_selected_foreach( selection, (GtkTreeSelectionForeachFunc)TextureBrowser_tagMoveHelper, &selected );
  
                        if ( path ) {
                                GtkTreeIter iter;
  
 -                              if ( gtk_tree_model_get_iter(g_TextureBrowser.m_available_store, &iter, path ) ) {
 -                                      gtk_tree_model_get(g_TextureBrowser.m_available_store, &iter, TAG_COLUMN, &tag_assigned, -1 );
 -                                      if ( !TagBuilder.CheckShaderTag( g_TextureBrowser.shader.c_str() ) ) {
 +                              if ( gtk_tree_model_get_iter(textureBrowser.m_available_store, &iter, path ) ) {
 +                                      gtk_tree_model_get(textureBrowser.m_available_store, &iter, TAG_COLUMN, &tag_assigned, -1 );
 +                                      if ( !TagBuilder.CheckShaderTag( textureBrowser.shader.c_str() ) ) {
                                                // create a custom shader/texture entry
 -                                              IShader* ishader = QERApp_Shader_ForName( g_TextureBrowser.shader.c_str() );
 +                                              IShader* ishader = QERApp_Shader_ForName( textureBrowser.shader.c_str() );
                                                CopiedString filename = ishader->getShaderFileName();
  
                                                if ( filename.empty() ) {
                                                        // it's a texture
 -                                                      TagBuilder.AddShaderNode( g_TextureBrowser.shader.c_str(), CUSTOM, TEXTURE );
 +                                                      TagBuilder.AddShaderNode( textureBrowser.shader.c_str(), CUSTOM, TEXTURE );
                                                }
                                                else {
                                                        // it's a shader
 -                                                      TagBuilder.AddShaderNode( g_TextureBrowser.shader.c_str(), CUSTOM, SHADER );
 +                                                      TagBuilder.AddShaderNode( textureBrowser.shader.c_str(), CUSTOM, SHADER );
                                                }
                                                ishader->DecRef();
                                        }
 -                                      TagBuilder.AddShaderTag( g_TextureBrowser.shader.c_str(), (char*)tag_assigned, TAG );
 +                                      TagBuilder.AddShaderTag( textureBrowser.shader.c_str(), (char*)tag_assigned, TAG );
  
 -                                      gtk_list_store_remove( g_TextureBrowser.m_available_store, &iter );
 -                                      g_TextureBrowser.m_assigned_store.append(TAG_COLUMN, tag_assigned);
 +                                      gtk_list_store_remove( textureBrowser.m_available_store, &iter );
 +                                      textureBrowser.m_assigned_store.append(TAG_COLUMN, tag_assigned);
                                }
                        }
                }
@@@ -2022,9 -1942,8 +2024,9 @@@ void TextureBrowser_removeTags()
        GSList* selected = NULL;
        GSList* node;
        gchar* tag;
 +      TextureBrowser &textureBrowser = GlobalTextureBrowser();
  
 -    auto selection = gtk_tree_view_get_selection(g_TextureBrowser.m_assigned_tree );
 +      auto selection = gtk_tree_view_get_selection(textureBrowser.m_assigned_tree );
  
        gtk_tree_selection_selected_foreach( selection, (GtkTreeSelectionForeachFunc)TextureBrowser_tagMoveHelper, &selected );
  
                        if ( path ) {
                                GtkTreeIter iter;
  
 -                              if ( gtk_tree_model_get_iter(g_TextureBrowser.m_assigned_store, &iter, path ) ) {
 -                                      gtk_tree_model_get(g_TextureBrowser.m_assigned_store, &iter, TAG_COLUMN, &tag, -1 );
 -                                      TagBuilder.DeleteShaderTag( g_TextureBrowser.shader.c_str(), tag );
 -                                      gtk_list_store_remove( g_TextureBrowser.m_assigned_store, &iter );
 +                              if ( gtk_tree_model_get_iter(textureBrowser.m_assigned_store, &iter, path ) ) {
 +                                      gtk_tree_model_get(textureBrowser.m_assigned_store, &iter, TAG_COLUMN, &tag, -1 );
 +                                      TagBuilder.DeleteShaderTag( textureBrowser.shader.c_str(), tag );
 +                                      gtk_list_store_remove( textureBrowser.m_assigned_store, &iter );
                                }
                        }
                }
                g_slist_foreach( selected, (GFunc)gtk_tree_row_reference_free, NULL );
  
                // Update the "available tags list"
 -              BuildStoreAvailableTags( g_TextureBrowser.m_available_store, g_TextureBrowser.m_assigned_store, g_TextureBrowser.m_all_tags, &g_TextureBrowser );
 +              BuildStoreAvailableTags( textureBrowser.m_available_store, textureBrowser.m_assigned_store, textureBrowser.m_all_tags, &textureBrowser );
  
                // Save changes
                TagBuilder.SaveXmlDoc();
  }
  
  void TextureBrowser_buildTagList(){
 -      g_TextureBrowser.m_all_tags_list.clear();
 +      TextureBrowser &textureBrowser = GlobalTextureBrowser();
 +      textureBrowser.m_all_tags_list.clear();
  
        std::set<CopiedString>::iterator iter;
  
 -      for ( iter = g_TextureBrowser.m_all_tags.begin(); iter != g_TextureBrowser.m_all_tags.end(); ++iter )
 +      for ( iter = textureBrowser.m_all_tags.begin(); iter != textureBrowser.m_all_tags.end(); ++iter )
        {
 -              g_TextureBrowser.m_all_tags_list.append(TAG_COLUMN, (*iter).c_str());
 +              textureBrowser.m_all_tags_list.append(TAG_COLUMN, (*iter).c_str());
        }
  }
  
@@@ -2073,9 -1991,8 +2075,9 @@@ void TextureBrowser_searchTags()
        gchar* tag;
        char buffer[256];
        char tags_searched[256];
 +      TextureBrowser &textureBrowser = GlobalTextureBrowser();
  
 -    auto selection = gtk_tree_view_get_selection(g_TextureBrowser.m_treeViewTags );
 +      auto selection = gtk_tree_view_get_selection(textureBrowser.m_treeViewTags );
  
        gtk_tree_selection_selected_foreach( selection, (GtkTreeSelectionForeachFunc)TextureBrowser_tagMoveHelper, &selected );
  
                        if ( path ) {
                                GtkTreeIter iter;
  
 -                              if ( gtk_tree_model_get_iter(g_TextureBrowser.m_all_tags_list, &iter, path ) ) {
 -                                      gtk_tree_model_get(g_TextureBrowser.m_all_tags_list, &iter, TAG_COLUMN, &tag, -1 );
 +                              if ( gtk_tree_model_get_iter(textureBrowser.m_all_tags_list, &iter, path ) ) {
 +                                      gtk_tree_model_get(textureBrowser.m_all_tags_list, &iter, TAG_COLUMN, &tag, -1 );
  
                                        strcat( buffer, tag );
                                        strcat( tags_searched, tag );
  
                g_slist_foreach( selected, (GFunc)gtk_tree_row_reference_free, NULL );
  
 -              g_TextureBrowser.m_found_shaders.clear(); // delete old list
 -              TagBuilder.TagSearch( buffer, g_TextureBrowser.m_found_shaders );
 +              textureBrowser.m_found_shaders.clear(); // delete old list
 +              TagBuilder.TagSearch( buffer, textureBrowser.m_found_shaders );
  
 -              if ( !g_TextureBrowser.m_found_shaders.empty() ) { // found something
 -                      size_t shaders_found = g_TextureBrowser.m_found_shaders.size();
 +              if ( !textureBrowser.m_found_shaders.empty() ) { // found something
 +                      size_t shaders_found = textureBrowser.m_found_shaders.size();
  
                        globalOutputStream() << "Found " << (unsigned int)shaders_found << " textures and shaders with " << tags_searched << "\n";
                        ScopeDisableScreenUpdates disableScreenUpdates( "Searching...", "Loading Textures" );
  
                        std::set<CopiedString>::iterator iter;
  
 -                      for ( iter = g_TextureBrowser.m_found_shaders.begin(); iter != g_TextureBrowser.m_found_shaders.end(); iter++ )
 +                      for ( iter = textureBrowser.m_found_shaders.begin(); iter != textureBrowser.m_found_shaders.end(); iter++ )
                        {
                                std::string path = ( *iter ).c_str();
                                size_t pos = path.find_last_of( "/", path.size() );
                                TextureDirectory_loadTexture( path.c_str(), name.c_str() );
                        }
                }
 -              g_TextureBrowser.m_searchedTags = true;
 +              textureBrowser.m_searchedTags = true;
                g_TextureBrowser_currentDirectory = tags_searched;
  
 -              g_TextureBrowser.m_nTotalHeight = 0;
 -              TextureBrowser_setOriginY( g_TextureBrowser, 0 );
 -              TextureBrowser_heightChanged( g_TextureBrowser );
 +              textureBrowser.m_nTotalHeight = 0;
 +              TextureBrowser_setOriginY( textureBrowser, 0 );
 +              TextureBrowser_heightChanged( textureBrowser );
                TextureBrowser_updateTitle();
        }
        g_slist_free( selected );
  }
  
  void TextureBrowser_toggleSearchButton(){
 -      gint page = gtk_notebook_get_current_page( GTK_NOTEBOOK( g_TextureBrowser.m_tag_notebook ) );
 +      TextureBrowser &textureBrowser = GlobalTextureBrowser();
 +      gint page = gtk_notebook_get_current_page( GTK_NOTEBOOK( textureBrowser.m_tag_notebook ) );
  
        if ( page == 0 ) { // tag page
 -              gtk_widget_show_all( g_TextureBrowser.m_search_button );
 +              gtk_widget_show_all( textureBrowser.m_search_button );
        }
        else {
 -              g_TextureBrowser.m_search_button.hide();
 +              textureBrowser.m_search_button.hide();
        }
  }
  
  void TextureBrowser_constructTagNotebook(){
 -      g_TextureBrowser.m_tag_notebook = ui::Widget::from(gtk_notebook_new());
 +      TextureBrowser &textureBrowser = GlobalTextureBrowser();
 +      textureBrowser.m_tag_notebook = ui::Widget::from(gtk_notebook_new());
        ui::Widget labelTags = ui::Label( "Tags" );
        ui::Widget labelTextures = ui::Label( "Textures" );
  
 -      gtk_notebook_append_page( GTK_NOTEBOOK( g_TextureBrowser.m_tag_notebook ), g_TextureBrowser.m_scr_win_tree, labelTextures );
 -      gtk_notebook_append_page( GTK_NOTEBOOK( g_TextureBrowser.m_tag_notebook ), g_TextureBrowser.m_scr_win_tags, labelTags );
 +      gtk_notebook_append_page( GTK_NOTEBOOK( textureBrowser.m_tag_notebook ), textureBrowser.m_scr_win_tree, labelTextures );
 +      gtk_notebook_append_page( GTK_NOTEBOOK( textureBrowser.m_tag_notebook ), textureBrowser.m_scr_win_tags, labelTags );
  
 -      g_TextureBrowser.m_tag_notebook.connect( "switch-page", G_CALLBACK( TextureBrowser_toggleSearchButton ), NULL );
 +      textureBrowser.m_tag_notebook.connect( "switch-page", G_CALLBACK( TextureBrowser_toggleSearchButton ), NULL );
  
 -      gtk_widget_show_all( g_TextureBrowser.m_tag_notebook );
 +      gtk_widget_show_all( textureBrowser.m_tag_notebook );
  }
  
  void TextureBrowser_constructSearchButton(){
        auto image = ui::Widget::from(gtk_image_new_from_stock( GTK_STOCK_FIND, GTK_ICON_SIZE_SMALL_TOOLBAR ));
 -      g_TextureBrowser.m_search_button = ui::Button(ui::New);
 -      g_TextureBrowser.m_search_button.connect( "clicked", G_CALLBACK( TextureBrowser_searchTags ), NULL );
 -      gtk_widget_set_tooltip_text(g_TextureBrowser.m_search_button, "Search with selected tags");
 -      g_TextureBrowser.m_search_button.add(image);
 +      TextureBrowser &textureBrowser = GlobalTextureBrowser();
 +      textureBrowser.m_search_button = ui::Button(ui::New);
 +      textureBrowser.m_search_button.connect( "clicked", G_CALLBACK( TextureBrowser_searchTags ), NULL );
 +      gtk_widget_set_tooltip_text(textureBrowser.m_search_button, "Search with selected tags");
 +      textureBrowser.m_search_button.add(image);
  }
  
  void TextureBrowser_checkTagFile(){
        const char SHADERTAG_FILE[] = "shadertags.xml";
        CopiedString default_filename, rc_filename;
        StringOutputStream stream( 256 );
 +      TextureBrowser &textureBrowser = GlobalTextureBrowser();
  
        stream << LocalRcPath_get();
        stream << SHADERTAG_FILE;
        rc_filename = stream.c_str();
  
        if ( file_exists( rc_filename.c_str() ) ) {
 -              g_TextureBrowser.m_tags = TagBuilder.OpenXmlDoc( rc_filename.c_str() );
 +              textureBrowser.m_tags = TagBuilder.OpenXmlDoc( rc_filename.c_str() );
  
 -              if ( g_TextureBrowser.m_tags ) {
 +              if ( textureBrowser.m_tags ) {
                        globalOutputStream() << "Loading tag file " << rc_filename.c_str() << ".\n";
                }
        }
                default_filename = stream.c_str();
  
                if ( file_exists( default_filename.c_str() ) ) {
 -                      g_TextureBrowser.m_tags = TagBuilder.OpenXmlDoc( default_filename.c_str(), rc_filename.c_str() );
 +                      textureBrowser.m_tags = TagBuilder.OpenXmlDoc( default_filename.c_str(), rc_filename.c_str() );
  
 -                      if ( g_TextureBrowser.m_tags ) {
 +                      if ( textureBrowser.m_tags ) {
                                globalOutputStream() << "Loading default tag file " << default_filename.c_str() << ".\n";
                        }
                }
@@@ -2217,56 -2130,24 +2219,56 @@@ void TextureBrowser_SetNotex()
        IShader* shadernotex = QERApp_Shader_ForName( DEFAULT_SHADERNOTEX_NAME );
  
        g_notex = notex->getTexture()->name;
 +
        g_shadernotex = shadernotex->getTexture()->name;
  
        notex->DecRef();
        shadernotex->DecRef();
  }
  
 +static bool isGLWidgetConstructed = false;
 +static bool isWindowConstructed = false;
 +
 +void TextureBrowser_constructGLWidget(){
 +      TextureBrowser &textureBrowser = GlobalTextureBrowser();
 +      textureBrowser.m_gl_widget = glwidget_new( FALSE );
 +      g_object_ref( textureBrowser.m_gl_widget._handle );
 +
 +      gtk_widget_set_events( textureBrowser.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( textureBrowser.m_gl_widget, true );
 +
 +      textureBrowser.m_sizeHandler = textureBrowser.m_gl_widget.connect( "size_allocate", G_CALLBACK( TextureBrowser_size_allocate ), &textureBrowser );
 +      textureBrowser.m_exposeHandler = textureBrowser.m_gl_widget.on_render( G_CALLBACK( TextureBrowser_expose ), &textureBrowser );
 +
 +      textureBrowser.m_gl_widget.connect( "button_press_event", G_CALLBACK( TextureBrowser_button_press ), &textureBrowser );
 +      textureBrowser.m_gl_widget.connect( "button_release_event", G_CALLBACK( TextureBrowser_button_release ), &textureBrowser );
 +      textureBrowser.m_gl_widget.connect( "motion_notify_event", G_CALLBACK( TextureBrowser_motion ), &textureBrowser );
 +      textureBrowser.m_gl_widget.connect( "scroll_event", G_CALLBACK( TextureBrowser_scroll ), &textureBrowser );
 +
 +#ifdef WORKAROUND_MACOS_GTK2_GLWIDGET
 +      textureBrowser.m_hframe.pack_start( textureBrowser.m_gl_widget, TRUE, TRUE, 0 );
 +#else // !WORKAROUND_MACOS_GTK2_GLWIDGET
 +      textureBrowser.m_frame.pack_start( textureBrowser.m_gl_widget, TRUE, TRUE, 0 );
 +#endif // !WORKAROUND_MACOS_GTK2_GLWIDGET
 +
 +      textureBrowser.m_gl_widget.show();
 +
 +      isGLWidgetConstructed = true;
 +}
 +
  ui::Widget TextureBrowser_constructWindow( ui::Window toplevel ){
        // The gl_widget and the tag assignment frame should be packed into a GtkVPaned with the slider
        // position stored in local.pref. gtk_paned_get_position() and gtk_paned_set_position() don't
        // seem to work in gtk 2.4 and the arrow buttons don't handle GTK_FILL, so here's another thing
        // for the "once-the-gtk-libs-are-updated-TODO-list" :x
 +      TextureBrowser &textureBrowser = GlobalTextureBrowser();
  
        TextureBrowser_checkTagFile();
        TextureBrowser_SetNotex();
  
 -      GlobalShaderSystem().setActiveShadersChangedNotify( ReferenceCaller<TextureBrowser, void(), TextureBrowser_activeShadersChanged>( g_TextureBrowser ) );
 +      GlobalShaderSystem().setActiveShadersChangedNotify( ReferenceCaller<TextureBrowser, void(), TextureBrowser_activeShadersChanged>( textureBrowser ) );
  
 -      g_TextureBrowser.m_parent = toplevel;
 +      textureBrowser.m_parent = toplevel;
  
        auto table = ui::Table(3, 3, FALSE);
        auto vbox = ui::VBox(FALSE, 0);
                // menu_bar.show();
        }
        { // Texture TreeView
 -              g_TextureBrowser.m_scr_win_tree = ui::ScrolledWindow(ui::New);
 -              gtk_container_set_border_width( GTK_CONTAINER( g_TextureBrowser.m_scr_win_tree ), 0 );
 +              textureBrowser.m_scr_win_tree = ui::ScrolledWindow(ui::New);
 +              gtk_container_set_border_width( GTK_CONTAINER( textureBrowser.m_scr_win_tree ), 0 );
  
                // vertical only scrolling for treeview
 -              gtk_scrolled_window_set_policy( GTK_SCROLLED_WINDOW( g_TextureBrowser.m_scr_win_tree ), GTK_POLICY_NEVER, GTK_POLICY_ALWAYS );
 +              gtk_scrolled_window_set_policy( GTK_SCROLLED_WINDOW( textureBrowser.m_scr_win_tree ), GTK_POLICY_NEVER, GTK_POLICY_ALWAYS );
  
 -              g_TextureBrowser.m_scr_win_tree.show();
 +              textureBrowser.m_scr_win_tree.show();
  
                TextureBrowser_createTreeViewTree();
  
 -              gtk_scrolled_window_add_with_viewport( GTK_SCROLLED_WINDOW( g_TextureBrowser.m_scr_win_tree ), g_TextureBrowser.m_treeViewTree  );
 -              g_TextureBrowser.m_treeViewTree.show();
 +              gtk_scrolled_window_add_with_viewport( GTK_SCROLLED_WINDOW( textureBrowser.m_scr_win_tree ), textureBrowser.m_treeViewTree  );
 +              textureBrowser.m_treeViewTree.show();
        }
        { // gl_widget scrollbar
                auto w = ui::Widget::from(gtk_vscrollbar_new( ui::Adjustment( 0,0,0,1,1,0 ) ));
                table.attach(w, {2, 3, 1, 2}, {GTK_SHRINK, GTK_FILL});
                w.show();
 -              g_TextureBrowser.m_texture_scroll = w;
 +              textureBrowser.m_texture_scroll = w;
  
 -              auto vadjustment = ui::Adjustment::from(gtk_range_get_adjustment( GTK_RANGE( g_TextureBrowser.m_texture_scroll ) ));
 -              vadjustment.connect( "value_changed", G_CALLBACK( TextureBrowser_verticalScroll ), &g_TextureBrowser );
 +              auto vadjustment = ui::Adjustment::from(gtk_range_get_adjustment( GTK_RANGE( textureBrowser.m_texture_scroll ) ));
 +              vadjustment.connect( "value_changed", G_CALLBACK( TextureBrowser_verticalScroll ), &textureBrowser );
  
 -              g_TextureBrowser.m_texture_scroll.visible(g_TextureBrowser.m_showTextureScrollbar);
 +              textureBrowser.m_texture_scroll.visible(textureBrowser.m_showTextureScrollbar);
        }
        { // gl_widget
 -              g_TextureBrowser.m_gl_widget = glwidget_new( FALSE );
 -              g_object_ref( g_TextureBrowser.m_gl_widget._handle );
 +#ifdef WORKAROUND_MACOS_GTK2_GLWIDGET
 +              textureBrowser.m_vframe = ui::VBox( FALSE, 0 );
 +              table.attach(textureBrowser.m_vframe, {1, 2, 1, 2});
  
 -              gtk_widget_set_events( g_TextureBrowser.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( g_TextureBrowser.m_gl_widget, true );
 +              textureBrowser.m_vfiller = ui::VBox( FALSE, 0 );
 +              textureBrowser.m_vframe.pack_start( textureBrowser.m_vfiller, FALSE, FALSE, 0 );
  
 -              table.attach(g_TextureBrowser.m_gl_widget, {1, 2, 1, 2});
 -              g_TextureBrowser.m_gl_widget.show();
 +              textureBrowser.m_hframe = ui::HBox( FALSE, 0 );
 +              textureBrowser.m_vframe.pack_start( textureBrowser.m_hframe, TRUE, TRUE, 0 );
  
 -              g_TextureBrowser.m_sizeHandler = g_TextureBrowser.m_gl_widget.connect( "size_allocate", G_CALLBACK( TextureBrowser_size_allocate ), &g_TextureBrowser );
 -              g_TextureBrowser.m_exposeHandler = g_TextureBrowser.m_gl_widget.on_render( G_CALLBACK( TextureBrowser_expose ), &g_TextureBrowser );
 +              textureBrowser.m_hfiller = ui::HBox( FALSE, 0 );
 +              textureBrowser.m_hframe.pack_start( textureBrowser.m_hfiller, FALSE, FALSE, 0 );
  
 -              g_TextureBrowser.m_gl_widget.connect( "button_press_event", G_CALLBACK( TextureBrowser_button_press ), &g_TextureBrowser );
 -              g_TextureBrowser.m_gl_widget.connect( "button_release_event", G_CALLBACK( TextureBrowser_button_release ), &g_TextureBrowser );
 -              g_TextureBrowser.m_gl_widget.connect( "motion_notify_event", G_CALLBACK( TextureBrowser_motion ), &g_TextureBrowser );
 -              g_TextureBrowser.m_gl_widget.connect( "scroll_event", G_CALLBACK( TextureBrowser_scroll ), &g_TextureBrowser );
 +              textureBrowser.m_vframe.show();
 +              textureBrowser.m_vfiller.show();
 +              textureBrowser.m_hframe.show(),
 +              textureBrowser.m_hfiller.show();
 +#else // !WORKAROUND_MACOS_GTK2_GLWIDGET
 +              textureBrowser.m_frame = ui::VBox( FALSE, 0 );
 +              table.attach(textureBrowser.m_frame, {1, 2, 1, 2});
 +              textureBrowser.m_frame.show();
 +#endif // !WORKAROUND_MACOS_GTK2_GLWIDGET
 +
 +              TextureBrowser_constructGLWidget();
        }
  
        // tag stuff
 -      if ( g_TextureBrowser.m_tags ) {
 +      if ( textureBrowser.m_tags ) {
                { // fill tag GtkListStore
 -                      g_TextureBrowser.m_all_tags_list = ui::ListStore::from(gtk_list_store_new( N_COLUMNS, G_TYPE_STRING ));
 -            auto sortable = GTK_TREE_SORTABLE( g_TextureBrowser.m_all_tags_list );
 +                      textureBrowser.m_all_tags_list = ui::ListStore::from(gtk_list_store_new( N_COLUMNS, G_TYPE_STRING ));
 +            auto sortable = GTK_TREE_SORTABLE( textureBrowser.m_all_tags_list );
                        gtk_tree_sortable_set_sort_column_id( sortable, TAG_COLUMN, GTK_SORT_ASCENDING );
  
 -                      TagBuilder.GetAllTags( g_TextureBrowser.m_all_tags );
 +                      TagBuilder.GetAllTags( textureBrowser.m_all_tags );
                        TextureBrowser_buildTagList();
                }
                { // tag menu bar
                        button.connect( "clicked", G_CALLBACK( Popup_View_Menu ), menu_tags );
                }
                { // Tag TreeView
 -                      g_TextureBrowser.m_scr_win_tags = ui::ScrolledWindow(ui::New);
 -                      gtk_container_set_border_width( GTK_CONTAINER( g_TextureBrowser.m_scr_win_tags ), 0 );
 +                      textureBrowser.m_scr_win_tags = ui::ScrolledWindow(ui::New);
 +                      gtk_container_set_border_width( GTK_CONTAINER( textureBrowser.m_scr_win_tags ), 0 );
  
                        // vertical only scrolling for treeview
 -                      gtk_scrolled_window_set_policy( GTK_SCROLLED_WINDOW( g_TextureBrowser.m_scr_win_tags ), GTK_POLICY_NEVER, GTK_POLICY_ALWAYS );
 +                      gtk_scrolled_window_set_policy( GTK_SCROLLED_WINDOW( textureBrowser.m_scr_win_tags ), GTK_POLICY_NEVER, GTK_POLICY_ALWAYS );
  
                        TextureBrowser_createTreeViewTags();
  
 -            auto selection = gtk_tree_view_get_selection(g_TextureBrowser.m_treeViewTags );
 +            auto selection = gtk_tree_view_get_selection(textureBrowser.m_treeViewTags );
                        gtk_tree_selection_set_mode( selection, GTK_SELECTION_MULTIPLE );
  
 -                      gtk_scrolled_window_add_with_viewport( GTK_SCROLLED_WINDOW( g_TextureBrowser.m_scr_win_tags ), g_TextureBrowser.m_treeViewTags  );
 -                      g_TextureBrowser.m_treeViewTags.show();
 +                      gtk_scrolled_window_add_with_viewport( GTK_SCROLLED_WINDOW( textureBrowser.m_scr_win_tags ), textureBrowser.m_treeViewTags  );
 +                      textureBrowser.m_treeViewTags.show();
                }
                { // Texture/Tag notebook
                        TextureBrowser_constructTagNotebook();
 -                      vbox.pack_start( g_TextureBrowser.m_tag_notebook, TRUE, TRUE, 0 );
 +                      vbox.pack_start( textureBrowser.m_tag_notebook, TRUE, TRUE, 0 );
                }
                { // Tag search button
                        TextureBrowser_constructSearchButton();
 -                      vbox.pack_end(g_TextureBrowser.m_search_button, FALSE, FALSE, 0);
 +                      vbox.pack_end(textureBrowser.m_search_button, FALSE, FALSE, 0);
                }
                auto frame_table = ui::Table(3, 3, FALSE);
                { // Tag frame
  
 -                      g_TextureBrowser.m_tag_frame = ui::Frame( "Tag assignment" );
 -                      gtk_frame_set_label_align( GTK_FRAME( g_TextureBrowser.m_tag_frame ), 0.5, 0.5 );
 -                      gtk_frame_set_shadow_type( GTK_FRAME( g_TextureBrowser.m_tag_frame ), GTK_SHADOW_NONE );
 +                      textureBrowser.m_tag_frame = ui::Frame( "Tag assignment" );
 +                      gtk_frame_set_label_align( GTK_FRAME( textureBrowser.m_tag_frame ), 0.5, 0.5 );
 +                      gtk_frame_set_shadow_type( GTK_FRAME( textureBrowser.m_tag_frame ), GTK_SHADOW_NONE );
  
 -                      table.attach(g_TextureBrowser.m_tag_frame, {1, 3, 2, 3}, {GTK_FILL, GTK_SHRINK});
 +                      table.attach(textureBrowser.m_tag_frame, {1, 3, 2, 3}, {GTK_FILL, GTK_SHRINK});
  
                        frame_table.show();
  
 -                      g_TextureBrowser.m_tag_frame.add(frame_table);
 +                      textureBrowser.m_tag_frame.add(frame_table);
                }
                { // assigned tag list
                        ui::Widget scrolled_win = ui::ScrolledWindow(ui::New);
                        gtk_container_set_border_width( GTK_CONTAINER( scrolled_win ), 0 );
                        gtk_scrolled_window_set_policy( GTK_SCROLLED_WINDOW( scrolled_win ), GTK_POLICY_NEVER, GTK_POLICY_ALWAYS );
  
 -                      g_TextureBrowser.m_assigned_store = ui::ListStore::from(gtk_list_store_new( N_COLUMNS, G_TYPE_STRING ));
 +                      textureBrowser.m_assigned_store = ui::ListStore::from(gtk_list_store_new( N_COLUMNS, G_TYPE_STRING ));
  
 -            auto sortable = GTK_TREE_SORTABLE( g_TextureBrowser.m_assigned_store );
 +            auto sortable = GTK_TREE_SORTABLE( textureBrowser.m_assigned_store );
                        gtk_tree_sortable_set_sort_column_id( sortable, TAG_COLUMN, GTK_SORT_ASCENDING );
  
                        auto renderer = ui::CellRendererText(ui::New);
  
 -                      g_TextureBrowser.m_assigned_tree = ui::TreeView(ui::TreeModel::from(g_TextureBrowser.m_assigned_store._handle));
 -                      g_TextureBrowser.m_assigned_store.unref();
 -                      g_TextureBrowser.m_assigned_tree.connect( "row-activated", (GCallback) TextureBrowser_removeTags, NULL );
 -                      gtk_tree_view_set_headers_visible(g_TextureBrowser.m_assigned_tree, FALSE );
 +                      textureBrowser.m_assigned_tree = ui::TreeView(ui::TreeModel::from(textureBrowser.m_assigned_store._handle));
 +                      textureBrowser.m_assigned_store.unref();
 +                      textureBrowser.m_assigned_tree.connect( "row-activated", (GCallback) TextureBrowser_removeTags, NULL );
 +                      gtk_tree_view_set_headers_visible(textureBrowser.m_assigned_tree, FALSE );
  
 -            auto selection = gtk_tree_view_get_selection(g_TextureBrowser.m_assigned_tree );
 +            auto selection = gtk_tree_view_get_selection(textureBrowser.m_assigned_tree );
                        gtk_tree_selection_set_mode( selection, GTK_SELECTION_MULTIPLE );
  
              auto column = ui::TreeViewColumn( "", renderer, {{"text", TAG_COLUMN}} );
 -                      gtk_tree_view_append_column(g_TextureBrowser.m_assigned_tree, column );
 -                      g_TextureBrowser.m_assigned_tree.show();
 +                      gtk_tree_view_append_column(textureBrowser.m_assigned_tree, column );
 +                      textureBrowser.m_assigned_tree.show();
  
                        scrolled_win.show();
 -                      gtk_scrolled_window_add_with_viewport( GTK_SCROLLED_WINDOW( scrolled_win ), g_TextureBrowser.m_assigned_tree  );
 +                      gtk_scrolled_window_add_with_viewport( GTK_SCROLLED_WINDOW( scrolled_win ), textureBrowser.m_assigned_tree  );
  
                        frame_table.attach(scrolled_win, {0, 1, 1, 3}, {GTK_FILL, GTK_FILL});
                }
                        gtk_container_set_border_width( GTK_CONTAINER( scrolled_win ), 0 );
                        gtk_scrolled_window_set_policy( GTK_SCROLLED_WINDOW( scrolled_win ), GTK_POLICY_NEVER, GTK_POLICY_ALWAYS );
  
 -                      g_TextureBrowser.m_available_store = ui::ListStore::from(gtk_list_store_new( N_COLUMNS, G_TYPE_STRING ));
 -            auto sortable = GTK_TREE_SORTABLE( g_TextureBrowser.m_available_store );
 +                      textureBrowser.m_available_store = ui::ListStore::from(gtk_list_store_new( N_COLUMNS, G_TYPE_STRING ));
 +            auto sortable = GTK_TREE_SORTABLE( textureBrowser.m_available_store );
                        gtk_tree_sortable_set_sort_column_id( sortable, TAG_COLUMN, GTK_SORT_ASCENDING );
  
                        auto renderer = ui::CellRendererText(ui::New);
  
 -                      g_TextureBrowser.m_available_tree = ui::TreeView(ui::TreeModel::from(g_TextureBrowser.m_available_store._handle));
 -                      g_TextureBrowser.m_available_store.unref();
 -                      g_TextureBrowser.m_available_tree.connect( "row-activated", (GCallback) TextureBrowser_assignTags, NULL );
 -                      gtk_tree_view_set_headers_visible(g_TextureBrowser.m_available_tree, FALSE );
 +                      textureBrowser.m_available_tree = ui::TreeView(ui::TreeModel::from(textureBrowser.m_available_store._handle));
 +                      textureBrowser.m_available_store.unref();
 +                      textureBrowser.m_available_tree.connect( "row-activated", (GCallback) TextureBrowser_assignTags, NULL );
 +                      gtk_tree_view_set_headers_visible(textureBrowser.m_available_tree, FALSE );
  
 -            auto selection = gtk_tree_view_get_selection(g_TextureBrowser.m_available_tree );
 +            auto selection = gtk_tree_view_get_selection(textureBrowser.m_available_tree );
                        gtk_tree_selection_set_mode( selection, GTK_SELECTION_MULTIPLE );
  
              auto column = ui::TreeViewColumn( "", renderer, {{"text", TAG_COLUMN}} );
 -                      gtk_tree_view_append_column(g_TextureBrowser.m_available_tree, column );
 -                      g_TextureBrowser.m_available_tree.show();
 +                      gtk_tree_view_append_column(textureBrowser.m_available_tree, column );
 +                      textureBrowser.m_available_tree.show();
  
                        scrolled_win.show();
 -                      gtk_scrolled_window_add_with_viewport( GTK_SCROLLED_WINDOW( scrolled_win ), g_TextureBrowser.m_available_tree  );
 +                      gtk_scrolled_window_add_with_viewport( GTK_SCROLLED_WINDOW( scrolled_win ), textureBrowser.m_available_tree  );
  
                        frame_table.attach(scrolled_win, {2, 3, 1, 3}, {GTK_FILL, GTK_FILL});
                }
                }
        }
        else { // no tag support, show the texture tree only
 -              vbox.pack_start( g_TextureBrowser.m_scr_win_tree, TRUE, TRUE, 0 );
 +              vbox.pack_start( textureBrowser.m_scr_win_tree, TRUE, TRUE, 0 );
        }
  
        // TODO do we need this?
        //gtk_container_set_focus_chain(GTK_CONTAINER(hbox_table), NULL);
  
 +      isWindowConstructed = true;
 +
        return table;
  }
  
 +void TextureBrowser_destroyGLWidget(){
 +      TextureBrowser &textureBrowser = GlobalTextureBrowser();
 +      if ( isGLWidgetConstructed )
 +      {
 +              g_signal_handler_disconnect( G_OBJECT( textureBrowser.m_gl_widget ), textureBrowser.m_sizeHandler );
 +              g_signal_handler_disconnect( G_OBJECT( textureBrowser.m_gl_widget ), textureBrowser.m_exposeHandler );
 +
 +#ifdef WORKAROUND_MACOS_GTK2_GLWIDGET
 +              textureBrowser.m_hframe.remove( textureBrowser.m_gl_widget );
 +#else // !WORKAROUND_MACOS_GTK2_GLWIDGET
 +              textureBrowser.m_frame.remove( textureBrowser.m_gl_widget );
 +#endif // !WORKAROUND_MACOS_GTK2_GLWIDGET
 +
 +              textureBrowser.m_gl_widget.unref();
 +
 +              isGLWidgetConstructed = false;
 +      }
 +}
 +
  void TextureBrowser_destroyWindow(){
        GlobalShaderSystem().setActiveShadersChangedNotify( Callback<void()>() );
  
 -      g_signal_handler_disconnect( G_OBJECT( g_TextureBrowser.m_gl_widget ), g_TextureBrowser.m_sizeHandler );
 -      g_signal_handler_disconnect( G_OBJECT( g_TextureBrowser.m_gl_widget ), g_TextureBrowser.m_exposeHandler );
 +      TextureBrowser_destroyGLWidget();
 +}
 +
 +#ifdef WORKAROUND_MACOS_GTK2_GLWIDGET
 +/* workaround for gtkglext on gtk 2 issue: OpenGL texture viewport being drawn over the other pages */
 +/* this is very ugly: force the resizing of the viewport to a single bottom line by forcing the
 + * resizing of the gl widget by expanding some empty boxes, so the widget area size is reduced
 + * while covered by another page, so the texture viewport is still rendered over the other page
 + * but does not annoy the user that much because it's just a line on the bottom that may even
 + * be printed over existing bottom frame or very close to it. */
 +void TextureBrowser_showGLWidget(){
 +      TextureBrowser &textureBrowser = GlobalTextureBrowser();
 +      if ( isWindowConstructed && isGLWidgetConstructed )
 +      {
 +              textureBrowser.m_vframe.set_child_packing( textureBrowser.m_vfiller, FALSE, FALSE, 0, ui::Packing::START );
 +              textureBrowser.m_vframe.set_child_packing( textureBrowser.m_hframe, TRUE, TRUE, 0, ui::Packing::START );
 +              textureBrowser.m_vframe.set_child_packing( textureBrowser.m_hfiller, FALSE, FALSE, 0, ui::Packing::START );
 +              textureBrowser.m_vframe.set_child_packing( textureBrowser.m_gl_widget, TRUE, TRUE, 0, ui::Packing::START );
  
 -      g_TextureBrowser.m_gl_widget.unref();
 +              textureBrowser.m_gl_widget.show();
 +}
  }
  
 +void TextureBrowser_hideGLWidget(){
 +      TextureBrowser &textureBrowser = GlobalTextureBrowser();
 +      if ( isWindowConstructed && isGLWidgetConstructed )
 +      {
 +              textureBrowser.m_vframe.set_child_packing( textureBrowser.m_vfiller, TRUE, TRUE, 0, ui::Packing::START);
 +              textureBrowser.m_vframe.set_child_packing( textureBrowser.m_hframe, FALSE, FALSE, 0, ui::Packing::END );
 +              textureBrowser.m_vframe.set_child_packing( textureBrowser.m_hfiller, TRUE, TRUE, 0, ui::Packing::START);
 +              textureBrowser.m_vframe.set_child_packing( textureBrowser.m_gl_widget, FALSE, FALSE, 0, ui::Packing::END );
 +
 +              // The hack needs the GL widget to not be hidden to work,
 +              // so resizing it triggers the redraw of it with the new size.
 +              // GlobalTextureBrowser().m_gl_widget.hide();
 +
 +              // Trigger the redraw.
 +              TextureBrowser_redraw( &GlobalTextureBrowser() );
 +              ui::process();
 +      }
 +}
 +#endif // WORKAROUND_MACOS_GTK2_GLWIDGET
 +
  const Vector3& TextureBrowser_getBackgroundColour( TextureBrowser& textureBrowser ){
        return textureBrowser.color_textureback;
  }
@@@ -2611,7 -2426,7 +2613,7 @@@ void TextureBrowser_selectionHelper( ui
  }
  
  void TextureBrowser_shaderInfo(){
 -      const char* name = TextureBrowser_GetSelectedShader( g_TextureBrowser );
 +      const char* name = TextureBrowser_GetSelectedShader( GlobalTextureBrowser() );
        IShader* shader = QERApp_Shader_ForName( name );
  
        DoShaderInfoDlg( name, shader->getShaderFileName(), "Shader Info" );
  
  void TextureBrowser_addTag(){
        CopiedString tag;
 +      TextureBrowser &textureBrowser = GlobalTextureBrowser();
  
        EMessageBoxReturn result = DoShaderTagDlg( &tag, "Add shader tag" );
  
        if ( result == eIDOK && !tag.empty() ) {
                GtkTreeIter iter;
 -              g_TextureBrowser.m_all_tags.insert( tag.c_str() );
 -              gtk_list_store_append( g_TextureBrowser.m_available_store, &iter );
 -              gtk_list_store_set( g_TextureBrowser.m_available_store, &iter, TAG_COLUMN, tag.c_str(), -1 );
 +              textureBrowser.m_all_tags.insert( tag.c_str() );
 +              gtk_list_store_append( textureBrowser.m_available_store, &iter );
 +              gtk_list_store_set( textureBrowser.m_available_store, &iter, TAG_COLUMN, tag.c_str(), -1 );
  
                // Select the currently added tag in the available list
 -        auto selection = gtk_tree_view_get_selection(g_TextureBrowser.m_available_tree );
 +        auto selection = gtk_tree_view_get_selection(textureBrowser.m_available_tree );
                gtk_tree_selection_select_iter( selection, &iter );
  
 -              g_TextureBrowser.m_all_tags_list.append(TAG_COLUMN, tag.c_str());
 +              textureBrowser.m_all_tags_list.append(TAG_COLUMN, tag.c_str());
        }
  }
  
@@@ -2648,9 -2462,8 +2650,9 @@@ void TextureBrowser_renameTag()
         */
  
        GSList* selected = NULL;
 +      TextureBrowser &textureBrowser = GlobalTextureBrowser();
  
 -    auto selection = gtk_tree_view_get_selection(g_TextureBrowser.m_treeViewTags );
 +      auto selection = gtk_tree_view_get_selection(textureBrowser.m_treeViewTags );
        gtk_tree_selection_selected_foreach( selection, GtkTreeSelectionForeachFunc( TextureBrowser_selectionHelper ), &selected );
  
        if ( g_slist_length( selected ) == 1 ) { // we only rename a single tag
                        gchar* rowTag;
                        gchar* oldTag = (char*)selected->data;
  
 -                      bool row = gtk_tree_model_get_iter_first(g_TextureBrowser.m_all_tags_list, &iterList ) != 0;
 +                      bool row = gtk_tree_model_get_iter_first(textureBrowser.m_all_tags_list, &iterList ) != 0;
  
                        while ( row )
                        {
 -                              gtk_tree_model_get(g_TextureBrowser.m_all_tags_list, &iterList, TAG_COLUMN, &rowTag, -1 );
 +                              gtk_tree_model_get(textureBrowser.m_all_tags_list, &iterList, TAG_COLUMN, &rowTag, -1 );
  
                                if ( strcmp( rowTag, oldTag ) == 0 ) {
 -                                      gtk_list_store_set( g_TextureBrowser.m_all_tags_list, &iterList, TAG_COLUMN, newTag.c_str(), -1 );
 +                                      gtk_list_store_set( textureBrowser.m_all_tags_list, &iterList, TAG_COLUMN, newTag.c_str(), -1 );
                                }
 -                              row = gtk_tree_model_iter_next(g_TextureBrowser.m_all_tags_list, &iterList ) != 0;
 +                              row = gtk_tree_model_iter_next(textureBrowser.m_all_tags_list, &iterList ) != 0;
                        }
  
                        TagBuilder.RenameShaderTag( oldTag, newTag.c_str() );
  
 -                      g_TextureBrowser.m_all_tags.erase( (CopiedString)oldTag );
 -                      g_TextureBrowser.m_all_tags.insert( newTag );
 +                      textureBrowser.m_all_tags.erase( (CopiedString)oldTag );
 +                      textureBrowser.m_all_tags.insert( newTag );
  
 -                      BuildStoreAssignedTags( g_TextureBrowser.m_assigned_store, g_TextureBrowser.shader.c_str(), &g_TextureBrowser );
 -                      BuildStoreAvailableTags( g_TextureBrowser.m_available_store, g_TextureBrowser.m_assigned_store, g_TextureBrowser.m_all_tags, &g_TextureBrowser );
 +                      BuildStoreAssignedTags( textureBrowser.m_assigned_store, textureBrowser.shader.c_str(), &textureBrowser );
 +                      BuildStoreAvailableTags( textureBrowser.m_available_store, textureBrowser.m_assigned_store, textureBrowser.m_all_tags, &textureBrowser );
                }
        }
        else
        {
 -              ui::alert( g_TextureBrowser.m_parent, "Select a single tag for renaming." );
 +              ui::alert( textureBrowser.m_parent, "Select a single tag for renaming." );
        }
  }
  
  void TextureBrowser_deleteTag(){
        GSList* selected = NULL;
 +      TextureBrowser &textureBrowser = GlobalTextureBrowser();
  
 -    auto selection = gtk_tree_view_get_selection(g_TextureBrowser.m_treeViewTags );
 +      auto selection = gtk_tree_view_get_selection(textureBrowser.m_treeViewTags );
        gtk_tree_selection_selected_foreach( selection, GtkTreeSelectionForeachFunc( TextureBrowser_selectionHelper ), &selected );
  
        if ( g_slist_length( selected ) == 1 ) { // we only delete a single tag
 -              auto result = ui::alert( g_TextureBrowser.m_parent, "Are you sure you want to delete the selected tag?", "Delete Tag", ui::alert_type::YESNO, ui::alert_icon::Question );
 +              auto result = ui::alert( textureBrowser.m_parent, "Are you sure you want to delete the selected tag?", "Delete Tag", ui::alert_type::YESNO, ui::alert_icon::Question );
  
                if ( result == ui::alert_response::YES ) {
                        GtkTreeIter iterSelected;
  
                        gchar* tagSelected = (char*)selected->data;
  
 -                      bool row = gtk_tree_model_get_iter_first(g_TextureBrowser.m_all_tags_list, &iterSelected ) != 0;
 +                      bool row = gtk_tree_model_get_iter_first(textureBrowser.m_all_tags_list, &iterSelected ) != 0;
  
                        while ( row )
                        {
 -                              gtk_tree_model_get(g_TextureBrowser.m_all_tags_list, &iterSelected, TAG_COLUMN, &rowTag, -1 );
 +                              gtk_tree_model_get(textureBrowser.m_all_tags_list, &iterSelected, TAG_COLUMN, &rowTag, -1 );
  
                                if ( strcmp( rowTag, tagSelected ) == 0 ) {
 -                                      gtk_list_store_remove( g_TextureBrowser.m_all_tags_list, &iterSelected );
 +                                      gtk_list_store_remove( textureBrowser.m_all_tags_list, &iterSelected );
                                        break;
                                }
 -                              row = gtk_tree_model_iter_next(g_TextureBrowser.m_all_tags_list, &iterSelected ) != 0;
 +                              row = gtk_tree_model_iter_next(textureBrowser.m_all_tags_list, &iterSelected ) != 0;
                        }
  
                        TagBuilder.DeleteTag( tagSelected );
 -                      g_TextureBrowser.m_all_tags.erase( (CopiedString)tagSelected );
 +                      textureBrowser.m_all_tags.erase( (CopiedString)tagSelected );
  
 -                      BuildStoreAssignedTags( g_TextureBrowser.m_assigned_store, g_TextureBrowser.shader.c_str(), &g_TextureBrowser );
 -                      BuildStoreAvailableTags( g_TextureBrowser.m_available_store, g_TextureBrowser.m_assigned_store, g_TextureBrowser.m_all_tags, &g_TextureBrowser );
 +                      BuildStoreAssignedTags( textureBrowser.m_assigned_store, textureBrowser.shader.c_str(), &textureBrowser );
 +                      BuildStoreAvailableTags( textureBrowser.m_available_store, textureBrowser.m_assigned_store, textureBrowser.m_all_tags, &textureBrowser );
                }
        }
        else {
 -              ui::alert( g_TextureBrowser.m_parent, "Select a single tag for deletion." );
 +              ui::alert( textureBrowser.m_parent, "Select a single tag for deletion." );
        }
  }
  
  void TextureBrowser_copyTag(){
 -      g_TextureBrowser.m_copied_tags.clear();
 -      TagBuilder.GetShaderTags( g_TextureBrowser.shader.c_str(), g_TextureBrowser.m_copied_tags );
 +      TextureBrowser &textureBrowser = GlobalTextureBrowser();
 +      textureBrowser.m_copied_tags.clear();
 +      TagBuilder.GetShaderTags( textureBrowser.shader.c_str(), textureBrowser.m_copied_tags );
  }
  
  void TextureBrowser_pasteTag(){
 -      IShader* ishader = QERApp_Shader_ForName( g_TextureBrowser.shader.c_str() );
 -      CopiedString shader = g_TextureBrowser.shader.c_str();
 +      TextureBrowser &textureBrowser = GlobalTextureBrowser();
 +      IShader* ishader = QERApp_Shader_ForName( textureBrowser.shader.c_str() );
 +      CopiedString shader = textureBrowser.shader.c_str();
  
        if ( !TagBuilder.CheckShaderTag( shader.c_str() ) ) {
                CopiedString shaderFile = ishader->getShaderFileName();
                        TagBuilder.AddShaderNode( shader.c_str(), CUSTOM, SHADER );
                }
  
 -              for ( size_t i = 0; i < g_TextureBrowser.m_copied_tags.size(); ++i )
 +              for ( size_t i = 0; i < textureBrowser.m_copied_tags.size(); ++i )
                {
 -                      TagBuilder.AddShaderTag( shader.c_str(), g_TextureBrowser.m_copied_tags[i].c_str(), TAG );
 +                      TagBuilder.AddShaderTag( shader.c_str(), textureBrowser.m_copied_tags[i].c_str(), TAG );
                }
        }
        else
        {
 -              for ( size_t i = 0; i < g_TextureBrowser.m_copied_tags.size(); ++i )
 +              for ( size_t i = 0; i < textureBrowser.m_copied_tags.size(); ++i )
                {
 -                      if ( !TagBuilder.CheckShaderTag( shader.c_str(), g_TextureBrowser.m_copied_tags[i].c_str() ) ) {
 +                      if ( !TagBuilder.CheckShaderTag( shader.c_str(), textureBrowser.m_copied_tags[i].c_str() ) ) {
                                // the tag doesn't exist - let's add it
 -                              TagBuilder.AddShaderTag( shader.c_str(), g_TextureBrowser.m_copied_tags[i].c_str(), TAG );
 +                              TagBuilder.AddShaderTag( shader.c_str(), textureBrowser.m_copied_tags[i].c_str(), TAG );
                        }
                }
        }
        ishader->DecRef();
  
        TagBuilder.SaveXmlDoc();
 -      BuildStoreAssignedTags( g_TextureBrowser.m_assigned_store, shader.c_str(), &g_TextureBrowser );
 -      BuildStoreAvailableTags( g_TextureBrowser.m_available_store, g_TextureBrowser.m_assigned_store, g_TextureBrowser.m_all_tags, &g_TextureBrowser );
 +      BuildStoreAssignedTags( textureBrowser.m_assigned_store, shader.c_str(), &textureBrowser );
 +      BuildStoreAvailableTags( textureBrowser.m_available_store, textureBrowser.m_assigned_store, textureBrowser.m_all_tags, &textureBrowser );
  }
  
  void TextureBrowser_RefreshShaders(){
 +      TextureBrowser &textureBrowser = GlobalTextureBrowser();
  
        /* When shaders are refreshed, forces reloading the textures as well.
        Previously it would at best only display shaders, at worst mess up some textured objects. */
  }
  
  void TextureBrowser_ToggleShowShaders(){
 -      g_TextureBrowser.m_showShaders ^= 1;
 -      g_TextureBrowser.m_showshaders_item.update();
 +      GlobalTextureBrowser().m_showShaders ^= 1;
 +      GlobalTextureBrowser().m_showshaders_item.update();
  
 -      g_TextureBrowser.m_heightChanged = true;
 -      g_TextureBrowser.m_originInvalid = true;
 +      GlobalTextureBrowser().m_heightChanged = true;
 +      GlobalTextureBrowser().m_originInvalid = true;
        g_activeShadersChangedCallbacks();
  
 -      TextureBrowser_queueDraw( g_TextureBrowser );
 +      TextureBrowser_queueDraw( GlobalTextureBrowser() );
  }
  
  void TextureBrowser_ToggleShowTextures(){
 -      g_TextureBrowser.m_showTextures ^= 1;
 -      g_TextureBrowser.m_showtextures_item.update();
 +      GlobalTextureBrowser().m_showTextures ^= 1;
 +      GlobalTextureBrowser().m_showtextures_item.update();
  
 -      g_TextureBrowser.m_heightChanged = true;
 -      g_TextureBrowser.m_originInvalid = true;
 +      GlobalTextureBrowser().m_heightChanged = true;
 +      GlobalTextureBrowser().m_originInvalid = true;
        g_activeShadersChangedCallbacks();
  
 -      TextureBrowser_queueDraw( g_TextureBrowser );
 +      TextureBrowser_queueDraw( GlobalTextureBrowser() );
  }
  
  void TextureBrowser_ToggleShowShaderListOnly(){
        g_TextureBrowser_shaderlistOnly ^= 1;
 -      g_TextureBrowser.m_showshaderlistonly_item.update();
 +      GlobalTextureBrowser().m_showshaderlistonly_item.update();
  
        TextureBrowser_constructTreeStore();
  }
  
  void TextureBrowser_showAll(){
        g_TextureBrowser_currentDirectory = "";
 -      g_TextureBrowser.m_searchedTags = false;
 -//    TextureBrowser_SetHideUnused( g_TextureBrowser, false );
 +      GlobalTextureBrowser().m_searchedTags = false;
 +//    TextureBrowser_SetHideUnused( GlobalTextureBrowser(), false );
        TextureBrowser_ToggleHideUnused();
 -      //TextureBrowser_heightChanged( g_TextureBrowser );
 +      //TextureBrowser_heightChanged( GlobalTextureBrowser() );
        TextureBrowser_updateTitle();
  }
  
  void TextureBrowser_showUntagged(){
 -      auto result = ui::alert( g_TextureBrowser.m_parent, "WARNING! This function might need a lot of memory and time. Are you sure you want to use it?", "Show Untagged", ui::alert_type::YESNO, ui::alert_icon::Warning );
 +      TextureBrowser &textureBrowser = GlobalTextureBrowser();
 +      auto result = ui::alert( textureBrowser.m_parent, "WARNING! This function might need a lot of memory and time. Are you sure you want to use it?", "Show Untagged", ui::alert_type::YESNO, ui::alert_icon::Warning );
  
        if ( result == ui::alert_response::YES ) {
 -              g_TextureBrowser.m_found_shaders.clear();
 -              TagBuilder.GetUntagged( g_TextureBrowser.m_found_shaders );
 +              textureBrowser.m_found_shaders.clear();
 +              TagBuilder.GetUntagged( textureBrowser.m_found_shaders );
                std::set<CopiedString>::iterator iter;
  
                ScopeDisableScreenUpdates disableScreenUpdates( "Searching untagged textures...", "Loading Textures" );
  
 -              for ( iter = g_TextureBrowser.m_found_shaders.begin(); iter != g_TextureBrowser.m_found_shaders.end(); iter++ )
 +              for ( iter = textureBrowser.m_found_shaders.begin(); iter != textureBrowser.m_found_shaders.end(); iter++ )
                {
                        std::string path = ( *iter ).c_str();
                        size_t pos = path.find_last_of( "/", path.size() );
  
                g_TextureBrowser_currentDirectory = "Untagged";
                TextureBrowser_queueDraw( GlobalTextureBrowser() );
 -              TextureBrowser_heightChanged( g_TextureBrowser );
 +              TextureBrowser_heightChanged( textureBrowser );
                TextureBrowser_updateTitle();
        }
  }
@@@ -2965,7 -2773,7 +2967,7 @@@ struct TextureScale 
  
  struct UniformTextureSize {
        static void Export(const TextureBrowser &self, const Callback<void(int)> &returnz) {
 -              returnz(g_TextureBrowser.m_uniformTextureSize);
 +              returnz(GlobalTextureBrowser().m_uniformTextureSize);
        }
  
        static void Import(TextureBrowser &self, int value) {
  
  struct UniformTextureMinSize {
        static void Export(const TextureBrowser &self, const Callback<void(int)> &returnz) {
 -              returnz(g_TextureBrowser.m_uniformTextureMinSize);
 +              returnz(GlobalTextureBrowser().m_uniformTextureMinSize);
        }
  
        static void Import(TextureBrowser &self, int value) {
@@@ -3002,7 -2810,7 +3004,7 @@@ void TextureBrowser_constructPreference
        page.appendSpinner( "Thumbnails Min Size", GlobalTextureBrowser().m_uniformTextureMinSize, GlobalTextureBrowser().m_uniformTextureMinSize, 16, 8192 );
        page.appendEntry( "Mousewheel Increment", GlobalTextureBrowser().m_mouseWheelScrollIncrement );
        {
 -              const char* startup_shaders[] = { "None", TextureBrowser_getComonShadersName() };
 +              const char* startup_shaders[] = { "None", TextureBrowser_getCommonShadersName() };
                page.appendCombo( "Load Shaders at Startup", reinterpret_cast<int&>( GlobalTextureBrowser().m_startupShaders ), STRING_ARRAY_RANGE( startup_shaders ) );
        }
  }
@@@ -3024,8 -2832,6 +3026,8 @@@ void TextureBrowser_registerPreferences
  void TextureClipboard_textureSelected( const char* shader );
  
  void TextureBrowser_Construct(){
 +      TextureBrowser &textureBrowser = GlobalTextureBrowser();
 +
        GlobalCommands_insert( "ShaderInfo", makeCallbackF(TextureBrowser_shaderInfo) );
        GlobalCommands_insert( "ShowUntagged", makeCallbackF(TextureBrowser_showUntagged) );
        GlobalCommands_insert( "AddTag", makeCallbackF(TextureBrowser_addTag) );
        GlobalCommands_insert( "CopyTag", makeCallbackF(TextureBrowser_copyTag) );
        GlobalCommands_insert( "PasteTag", makeCallbackF(TextureBrowser_pasteTag) );
        GlobalCommands_insert( "RefreshShaders", makeCallbackF(VFS_Refresh) );
 -      GlobalToggles_insert( "ShowInUse", makeCallbackF(TextureBrowser_ToggleHideUnused), ToggleItem::AddCallbackCaller( g_TextureBrowser.m_hideunused_item ), Accelerator( 'U' ) );
 +      GlobalToggles_insert( "ShowInUse", makeCallbackF(TextureBrowser_ToggleHideUnused), ToggleItem::AddCallbackCaller( textureBrowser.m_hideunused_item ), Accelerator( 'U' ) );
        GlobalCommands_insert( "ShowAllTextures", makeCallbackF(TextureBrowser_showAll), Accelerator( 'A', (GdkModifierType)GDK_CONTROL_MASK ) );
        GlobalCommands_insert( "ToggleTextures", makeCallbackF(TextureBrowser_toggleShow), Accelerator( 'T' ) );
 -      GlobalToggles_insert( "ToggleShowShaders", makeCallbackF(TextureBrowser_ToggleShowShaders), ToggleItem::AddCallbackCaller( g_TextureBrowser.m_showshaders_item ) );
 -      GlobalToggles_insert( "ToggleShowTextures", makeCallbackF(TextureBrowser_ToggleShowTextures), ToggleItem::AddCallbackCaller( g_TextureBrowser.m_showtextures_item ) );
 +      GlobalToggles_insert( "ToggleShowShaders", makeCallbackF(TextureBrowser_ToggleShowShaders), ToggleItem::AddCallbackCaller( GlobalTextureBrowser().m_showshaders_item ) );
 +      GlobalToggles_insert( "ToggleShowTextures", makeCallbackF(TextureBrowser_ToggleShowTextures), ToggleItem::AddCallbackCaller( GlobalTextureBrowser().m_showtextures_item ) );
        GlobalToggles_insert( "ToggleShowShaderlistOnly", makeCallbackF(TextureBrowser_ToggleShowShaderListOnly),
 - ToggleItem::AddCallbackCaller( g_TextureBrowser.m_showshaderlistonly_item ) );
 -      GlobalToggles_insert( "FixedSize", makeCallbackF(TextureBrowser_FixedSize), ToggleItem::AddCallbackCaller( g_TextureBrowser.m_fixedsize_item ) );
 -      GlobalToggles_insert( "FilterMissing", makeCallbackF(TextureBrowser_FilterMissing), ToggleItem::AddCallbackCaller( g_TextureBrowser.m_filternotex_item ) );
 -      GlobalToggles_insert( "FilterFallback", makeCallbackF(TextureBrowser_FilterFallback), ToggleItem::AddCallbackCaller( g_TextureBrowser.m_hidenotex_item ) );
 -      GlobalToggles_insert( "EnableAlpha", makeCallbackF(TextureBrowser_EnableAlpha), ToggleItem::AddCallbackCaller( g_TextureBrowser.m_enablealpha_item ) );
 -
 -      GlobalPreferenceSystem().registerPreference( "TextureScale", make_property_string<TextureScale>(g_TextureBrowser) );
 -      GlobalPreferenceSystem().registerPreference( "UniformTextureSize", make_property_string<UniformTextureSize>(g_TextureBrowser) );
 -      GlobalPreferenceSystem().registerPreference( "UniformTextureMinSize", make_property_string<UniformTextureMinSize>(g_TextureBrowser) );
 -      GlobalPreferenceSystem().registerPreference( "TextureScrollbar", make_property_string<TextureBrowser_ShowScrollbar>(GlobalTextureBrowser()));
 -      GlobalPreferenceSystem().registerPreference( "ShowShaders", make_property_string( GlobalTextureBrowser().m_showShaders ) );
 + ToggleItem::AddCallbackCaller( GlobalTextureBrowser().m_showshaderlistonly_item ) );
 +      GlobalToggles_insert( "FixedSize", makeCallbackF(TextureBrowser_FixedSize), ToggleItem::AddCallbackCaller( GlobalTextureBrowser().m_fixedsize_item ) );
 +      GlobalToggles_insert( "FilterMissing", makeCallbackF(TextureBrowser_FilterMissing), ToggleItem::AddCallbackCaller( GlobalTextureBrowser().m_filternotex_item ) );
 +      GlobalToggles_insert( "FilterFallback", makeCallbackF(TextureBrowser_FilterFallback), ToggleItem::AddCallbackCaller( GlobalTextureBrowser().m_hidenotex_item ) );
 +      GlobalToggles_insert( "EnableAlpha", makeCallbackF(TextureBrowser_EnableAlpha), ToggleItem::AddCallbackCaller( GlobalTextureBrowser().m_enablealpha_item ) );
 +
 +      GlobalPreferenceSystem().registerPreference( "TextureScale", make_property_string<TextureScale>(textureBrowser) );
 +      GlobalPreferenceSystem().registerPreference( "UniformTextureSize", make_property_string<UniformTextureSize>(textureBrowser) );
 +      GlobalPreferenceSystem().registerPreference( "UniformTextureMinSize", make_property_string<UniformTextureMinSize>(textureBrowser) );
 +      GlobalPreferenceSystem().registerPreference( "TextureScrollbar", make_property_string<TextureBrowser_ShowScrollbar>(textureBrowser));
 +      GlobalPreferenceSystem().registerPreference( "ShowShaders", make_property_string( textureBrowser.m_showShaders ) );
        GlobalPreferenceSystem().registerPreference( "ShowTextures", make_property_string( GlobalTextureBrowser().m_showTextures ) );
        GlobalPreferenceSystem().registerPreference( "ShowShaderlistOnly", make_property_string( g_TextureBrowser_shaderlistOnly ) );
        GlobalPreferenceSystem().registerPreference( "FixedSize", make_property_string( g_TextureBrowser_fixedSize ) );
        GlobalPreferenceSystem().registerPreference( "FilterMissing", make_property_string( g_TextureBrowser_filterMissing ) );
        GlobalPreferenceSystem().registerPreference( "EnableAlpha", make_property_string( g_TextureBrowser_enableAlpha ) );
 -      GlobalPreferenceSystem().registerPreference( "LoadShaders", make_property_string( reinterpret_cast<int&>( GlobalTextureBrowser().m_startupShaders ) ) );
 -      GlobalPreferenceSystem().registerPreference( "WheelMouseInc", make_property_string( GlobalTextureBrowser().m_mouseWheelScrollIncrement ) );
 -      GlobalPreferenceSystem().registerPreference( "SI_Colors0", make_property_string( GlobalTextureBrowser().color_textureback ) );
 +      GlobalPreferenceSystem().registerPreference( "LoadShaders", make_property_string( reinterpret_cast<int&>( textureBrowser.m_startupShaders ) ) );
 +      GlobalPreferenceSystem().registerPreference( "WheelMouseInc", make_property_string( textureBrowser.m_mouseWheelScrollIncrement ) );
 +      GlobalPreferenceSystem().registerPreference( "SI_Colors0", make_property_string( textureBrowser.color_textureback ) );
  
 -      g_TextureBrowser.shader = texdef_name_default();
 +      textureBrowser.shader = texdef_name_default();
  
 -      Textures_setModeChangedNotify( ReferenceCaller<TextureBrowser, void(), TextureBrowser_queueDraw>( g_TextureBrowser ) );
 +      Textures_setModeChangedNotify( ReferenceCaller<TextureBrowser, void(), TextureBrowser_queueDraw>( textureBrowser ) );
  
        TextureBrowser_registerPreferencesPage();
  
@@@ -3080,9 -2886,3 +3082,9 @@@ void TextureBrowser_Destroy()
  ui::Widget TextureBrowser_getGLWidget(){
        return GlobalTextureBrowser().m_gl_widget;
  }
 +
 +#if WORKAROUND_WINDOWS_GTK2_GLWIDGET
 +ui::GLArea TextureBrowser_getGLWidget(){
 +      return GlobalTextureBrowser().m_gl_widget;
 +}
 +#endif // WORKAROUND_WINDOWS_GTK2_GLWIDGET