]> de.git.xonotic.org Git - xonotic/netradiant.git/commitdiff
Merge commit '146d231d90b19e2a0edcabff1c4eb9ca44e053e7' into master-merge
authorThomas Debesse <dev@illwieckz.net>
Tue, 21 Jun 2022 01:58:45 +0000 (03:58 +0200)
committerThomas Debesse <dev@illwieckz.net>
Tue, 21 Jun 2022 01:58:45 +0000 (03:58 +0200)
1  2 
include/ishaders.h
plugins/shaders/shaders.cpp
radiant/brushmanip.cpp
radiant/texwindow.cpp

diff --combined include/ishaders.h
index b580e2c4c1b2aa33b7998d17d6a364ff6c65aaa2,3f3419dd88724fc31fd25b916ae08164e6bb254e..5539a1441dd04379bb11a676f54222e9fa79ad48
@@@ -31,14 -31,13 +31,13 @@@ enu
        QER_NOCARVE = 1 << 1,
        QER_NODRAW = 1 << 2,
        QER_NONSOLID = 1 << 3,
-       QER_WATER = 1 << 4,
-       QER_LAVA = 1 << 5,
-       QER_FOG = 1 << 6,
-       QER_ALPHATEST = 1 << 7,
-       QER_CULL = 1 << 8,
-       QER_AREAPORTAL = 1 << 9,
-       QER_CLIP = 1 << 10,
-       QER_BOTCLIP = 1 << 11,
+       QER_LIQUID = 1 << 4,
+       QER_FOG = 1 << 5,
+       QER_ALPHATEST = 1 << 6,
+       QER_CULL = 1 << 7,
+       QER_AREAPORTAL = 1 << 8,
+       QER_CLIP = 1 << 9,
+       QER_BOTCLIP = 1 << 10,
  };
  
  struct qtexture_t;
@@@ -108,8 -107,6 +107,8 @@@ virtual qtexture_t* getBump() const = 0
  virtual qtexture_t* getSpecular() const = 0;
  // get shader name
  virtual const char* getName() const = 0;
 +virtual const char* getWadName() const = 0;
 +virtual void setWadName( const char* name ) = 0;
  virtual bool IsInUse() const = 0;
  virtual void SetInUse( bool bInUse ) = 0;
  // get the editor flags (QER_NOCARVE QER_TRANS)
@@@ -127,6 -124,7 +126,6 @@@ virtual ECull getCull() = 0
  virtual const char* getShaderFileName() const = 0;
  
  virtual const ShaderLayer* firstLayer() const = 0;
 -virtual void forEachLayer( const ShaderLayerCallback& layer ) const = 0;
  
  virtual qtexture_t* lightFalloffImage() const = 0;
  };
index bcf29cb1d8915255e79e072c97aab0956d97bf1d,4099a11e3bb51ecb30300840d4e7ad13cd8f7713..14308bad3b10beb8a005cdfe677bb7b64e066d82
@@@ -93,6 -93,9 +93,6 @@@ void FreeShaders()
  
  void LoadShaderFile( const char *filename );
  
 -qtexture_t *Texture_ForName( const char *filename );
 -
 -
  /*!
     NOTE TTimo: there is an important distinction between SHADER_NOT_FOUND and SHADER_NOTEX:
     SHADER_NOT_FOUND means we didn't find the raw texture or the shader for this
@@@ -270,7 -273,6 +270,7 @@@ class ShaderTemplat
  {
  std::size_t m_refcount;
  CopiedString m_Name;
 +CopiedString m_WadName;
  public:
  
  ShaderParameters m_params;
@@@ -635,7 -637,7 +635,7 @@@ bool ShaderTemplate::parseDoom3( Tokeni
                                m_nFlags |= QER_NONSOLID;
                        }
                        else if ( string_equal_nocase( token, "liquid" ) ) {
-                               m_nFlags |= QER_WATER;
+                               m_nFlags |= QER_LIQUID;
                        }
                        else if ( string_equal_nocase( token, "areaportal" ) ) {
                                m_nFlags |= QER_AREAPORTAL;
@@@ -842,7 -844,6 +842,7 @@@ const ShaderArguments& m_args
  const char* m_filename;
  // name is shader-name, otherwise texture-name ( if not a real shader )
  CopiedString m_Name;
 +CopiedString m_WadName;
  
  qtexture_t* m_pTexture;
  qtexture_t* m_notfound;
@@@ -920,10 -921,6 +920,10 @@@ const char* getName() const 
        return m_Name.c_str();
  }
  
 +const char* getWadName() const {
 +      return m_WadName.c_str();
 +}
 +
  bool IsInUse() const {
        return m_bInUse;
  }
@@@ -1059,10 -1056,6 +1059,10 @@@ void setName( const char* name )
        m_Name = name;
  }
  
 +void setWadName( const char* name ){
 +      m_WadName = name;
 +}
 +
  class MapLayer : public ShaderLayer
  {
  qtexture_t* m_texture;
@@@ -1112,6 -1105,12 +1112,6 @@@ const ShaderLayer* firstLayer() const 
        }
        return &m_layers.front();
  }
 -void forEachLayer( const ShaderLayerCallback& callback ) const {
 -      for ( MapLayers::const_iterator i = m_layers.begin(); i != m_layers.end(); ++i )
 -      {
 -              callback( *i );
 -      }
 -}
  
  qtexture_t* lightFalloffImage() const {
        if ( !string_empty( m_template.m_lightFalloffImage.c_str() ) ) {
@@@ -1288,11 -1287,10 +1288,10 @@@ bool ShaderTemplate::parseQuake3( Token
                                else if ( string_equal_nocase( surfaceparm, "nonsolid" ) ) {
                                        m_nFlags |= QER_NONSOLID;
                                }
-                               else if ( string_equal_nocase( surfaceparm, "water" ) ) {
-                                       m_nFlags |= QER_WATER;
-                               }
-                               else if ( string_equal_nocase( surfaceparm, "lava" ) ) {
-                                       m_nFlags |= QER_LAVA;
+                               else if ( string_equal_nocase( surfaceparm, "water" ) ||
+                                                       string_equal_nocase( surfaceparm, "lava" ) ||
+                                                       string_equal_nocase( surfaceparm, "slime") ){
+                                       m_nFlags |= QER_LIQUID;
                                }
                                else if ( string_equal_nocase( surfaceparm, "areaportal" ) ) {
                                        m_nFlags |= QER_AREAPORTAL;
diff --combined radiant/brushmanip.cpp
index f4c122dd37d24cb8b4ad89229cc5f97a7179ed02,79fde7b931ca55b59dacb817b651272933347640..549e6e87da1ebf6cddc0d5a0cc927d6dbcccfebe
@@@ -850,9 -850,12 +850,12 @@@ filter_brush_all_faces g_filter_brush_c
  filter_face_shader_prefix g_filter_face_caulk_ja( "textures/system/caulk" );
  filter_brush_all_faces g_filter_brush_caulk_ja( &g_filter_face_caulk_ja );
  
- filter_face_shader_prefix g_filter_face_liquids( "textures/liquids/" );
+ filter_face_flags g_filter_face_liquids( QER_LIQUID );
  filter_brush_any_face g_filter_brush_liquids( &g_filter_face_liquids );
  
+ filter_face_shader_prefix g_filter_face_liquidsdir( "textures/liquids/" );
+ filter_brush_any_face g_filter_brush_liquidsdir( &g_filter_face_liquidsdir );
  filter_face_shader g_filter_face_hint( "textures/common/hint" );
  filter_brush_any_face g_filter_brush_hint( &g_filter_face_hint );
  
@@@ -865,11 -868,8 +868,11 @@@ 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 );
+ filter_brush_any_face g_filter_brush_areaportal( &g_filter_face_areaportal );
  
  filter_face_shader g_filter_face_visportal( "textures/editor/visportal" );
  filter_brush_any_face g_filter_brush_visportal( &g_filter_face_visportal );
@@@ -880,8 -880,8 +883,8 @@@ filter_brush_all_faces g_filter_brush_c
  filter_face_shader g_filter_face_lightgrid( "textures/common/lightgrid" );
  filter_brush_all_faces g_filter_brush_lightgrid( &g_filter_face_lightgrid );
  
- filter_face_flags g_filter_face_translucent( QER_TRANS );
- filter_brush_all_faces g_filter_brush_translucent( &g_filter_face_translucent );
+ filter_face_flags g_filter_face_translucent( QER_TRANS | QER_ALPHATEST );
+ filter_brush_any_face g_filter_brush_translucent( &g_filter_face_translucent );
  
  filter_face_contents g_filter_face_detail( BRUSH_DETAIL_MASK );
  filter_brush_all_faces g_filter_brush_detail( &g_filter_face_detail );
@@@ -902,11 -902,11 +905,12 @@@ void BrushFilters_construct()
        add_face_filter( g_filter_face_caulk, EXCLUDE_CAULK );
        add_face_filter( g_filter_face_caulk_ja, EXCLUDE_CAULK );
        add_brush_filter( g_filter_brush_liquids, EXCLUDE_LIQUIDS );
+       add_brush_filter( g_filter_brush_liquidsdir, EXCLUDE_LIQUIDS );
        add_brush_filter( g_filter_brush_hint, EXCLUDE_HINTSSKIPS );
        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 );
diff --combined radiant/texwindow.cpp
index 1e213b5745b8ab7b673c401d2a6bbfcaa84001eb,772f80b199dd47919e899c9d9006ab2e6b54e340..75ce075616d11fd680908eb8963155cf99ae282e
@@@ -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
        }
  }
  
@@@ -113,7 -118,7 +113,7 @@@ bool g_TextureBrowser_shaderlistOnly = 
  bool g_TextureBrowser_fixedSize = true;
  bool g_TextureBrowser_filterMissing = false;
  bool g_TextureBrowser_filterFallback = true;
- bool g_TextureBrowser_enableAlpha = true;
+ bool g_TextureBrowser_enableAlpha = false;
  }
  
  CopiedString g_notex;
@@@ -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();
@@@ -1531,7 -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 );
                        }
                }
@@@ -1649,7 -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;
                        }
                }
@@@ -1759,18 -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 ) );
  }
@@@ -1788,7 -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();
  }
@@@ -1861,22 -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 );
        }
  
  
@@@ -1960,7 -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 );
@@@ -1973,9 -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);
                                }
                        }
                }
@@@ -2024,9 -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());
        }
  }
  
@@@ -2075,9 -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";
                        }
                }
@@@ -2219,56 -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;
  }
@@@ -2613,7 -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());
        }
  }
  
@@@ -2650,9 -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();
        }
  }
@@@ -2967,7 -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) {
@@@ -3004,7 -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 ) );
        }
  }
@@@ -3026,8 -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();
  
@@@ -3082,9 -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