]> de.git.xonotic.org Git - xonotic/netradiant.git/blobdiff - radiant/texwindow.cpp
GTK: wrap GTK_WIDGET
[xonotic/netradiant.git] / radiant / texwindow.cpp
index 2e5c0fb90ef874c18d04601b3600adea25d2ad63..5197d5e2b9c671c6e77aadfa22245a76c1ce2f7c 100644 (file)
@@ -1,23 +1,23 @@
 /*
-Copyright (C) 1999-2006 Id Software, Inc. and contributors.
-For a list of contributors, see the accompanying CONTRIBUTORS file.
+   Copyright (C) 1999-2006 Id Software, Inc. and contributors.
+   For a list of contributors, see the accompanying CONTRIBUTORS file.
 
-This file is part of GtkRadiant.
+   This file is part of GtkRadiant.
 
-GtkRadiant is free software; you can redistribute it and/or modify
-it under the terms of the GNU General Public License as published by
-the Free Software Foundation; either version 2 of the License, or
-(at your option) any later version.
+   GtkRadiant is free software; you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 2 of the License, or
+   (at your option) any later version.
 
-GtkRadiant is distributed in the hope that it will be useful,
-but WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-GNU General Public License for more details.
+   GtkRadiant is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
 
-You should have received a copy of the GNU General Public License
-along with GtkRadiant; if not, write to the Free Software
-Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
-*/
+   You should have received a copy of the GNU General Public License
+   along with GtkRadiant; if not, write to the Free Software
+   Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+ */
 
 //
 // Texture Window
@@ -27,37 +27,29 @@ Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
 
 #include "texwindow.h"
 
+#include <gtk/gtk.h>
+
 #include "debugging/debugging.h"
 #include "warnings.h"
 
-#include "iimage.h"
 #include "ifilesystem.h"
-#include "ishaders.h"
-#include "iscriplib.h"
-#include "iselection.h"
-#include "iscenegraph.h"
-#include "itextures.h"
-#include "irender.h"
 #include "iundo.h"
 #include "igl.h"
 #include "iarchive.h"
 #include "moduleobserver.h"
 
 #include <set>
+#include <string>
+#include <vector>
 
-#include <gtk/gtkmenuitem.h>
-#include <gtk/gtkrange.h>
-#include <gtk/gtkframe.h>
-#include <gtk/gtkhbox.h>
-#include <gtk/gtkvbox.h>
-#include <gtk/gtkvscrollbar.h>
-#include <gtk/gtkmenu.h>
+#include <uilib/uilib.h>
 
-#include "generic/callback.h"
+#include "signal/signal.h"
 #include "math/vector.h"
 #include "texturelib.h"
 #include "string/string.h"
 #include "shaderlib.h"
+#include "os/file.h"
 #include "os/path.h"
 #include "stream/memstream.h"
 #include "stream/textfilestream.h"
@@ -72,6 +64,7 @@ Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
 #include "gtkutil/cursor.h"
 #include "gtkutil/widget.h"
 #include "gtkutil/glwidget.h"
+#include "gtkutil/messagebox.h"
 
 #include "error.h"
 #include "map.h"
@@ -93,308 +86,129 @@ Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
 #include "shaders.h"
 #include "commands.h"
 
+#define NOTEX_BASENAME "notex"
+#define SHADERNOTEX_BASENAME "shadernotex"
 
-
-bool TextureGroupsMenu_showWads()
-{
-  return !string_empty(g_pGameDescription->getKeyValue("show_wads"));
-}
-
-// globals for textures
-class TextureMenuName
-{
-  enum { c_menuNameLength = 64 };
-  char m_name[c_menuNameLength];
-public:
-  TextureMenuName(const char* name)
-  {
-    strncpy(m_name, name, c_menuNameLength - 1);
-    m_name[c_menuNameLength - 1] = '\0';
-  }
-  const char* c_str() const
-  {
-    return m_name;
-  }
-};
-
-typedef std::vector<TextureMenuName> TextureMenuNames;
-TextureMenuNames texture_menunames;
-
-const char* TextureGroupsMenu_GetName(std::size_t menunum)
-{
-  return texture_menunames[menunum].c_str();
-}
-
-void TextureGroupsMenu_ListItems(GSList*& items)
-{
-  for(TextureMenuNames::const_iterator i = texture_menunames.begin(); i != texture_menunames.end(); ++i)
-  {
-    items = g_slist_append(items, const_cast<char*>((*i).c_str()));
-  }
-}
-
-void TextureBrowser_queueDraw(TextureBrowser& textureBrower);
-
-class TextureGroupLoader
-{
-  std::size_t m_id;
-public:
-  TextureGroupLoader(std::size_t id)
-    : m_id(id)
-  {
-  }
-  void loadGroup()
-  {
-    ScopeDisableScreenUpdates disableScreenUpdates(TextureGroupsMenu_GetName(m_id), "Loading Textures");
-
-    TextureBrowser_ShowDirectory(GlobalTextureBrowser(), TextureGroupsMenu_GetName(m_id));
-    TextureBrowser_queueDraw(GlobalTextureBrowser());
-  }
-};
-
-std::list<TextureGroupLoader> g_texture_group_loaders;
-
-void texturegroup_activated(GtkWidget* widget, gpointer data)
-{
-  reinterpret_cast<TextureGroupLoader*>(data)->loadGroup();
-}
-
-bool string_equal_start(const char* string, const char* start)
-{
-  return string_equal_n(string, start, string_length(start));
-}
-
-GtkMenuItem* MenuItem_create(const char* name)
-{
-  StringOutputStream buffer(64);
-  buffer << ConvertLocaleToUTF8(name);
-  return GTK_MENU_ITEM(gtk_menu_item_new_with_label(buffer.c_str()));
-}
-
-GtkMenuItem* Menu_addItem(GtkMenu* menu, const char* name)
-{
-  GtkMenuItem* item = MenuItem_create(name);
-  gtk_widget_show(GTK_WIDGET(item));
-  menu_add_item(menu, item);
-  return item;
+bool TextureBrowser_showWads(){
+       return !string_empty( g_pGameDescription->getKeyValue( "show_wads" ) );
 }
 
-void TextureGroupsMenu_addItem(GtkMenu* menu, const char* dirName)
-{
-  GtkMenuItem* item = Menu_addItem(menu, dirName);
-
-  g_texture_group_loaders.push_back(TextureGroupLoader(texture_menunames.size()));
-       g_signal_connect(G_OBJECT(item), "activate", G_CALLBACK(texturegroup_activated), &g_texture_group_loaders.back());
+void TextureBrowser_queueDraw( TextureBrowser& textureBrowser );
 
-  if(TextureGroupsMenu_showWads())
-  {
-    texture_menunames.push_back(dirName);
-  }
-  else
-  {
-    char buffer[1024];
-    strcpy(buffer, dirName);
-    strcat(buffer, "/");
-    texture_menunames.push_back(buffer);
-  }
+bool string_equal_start( const char* string, StringRange start ){
+       return string_equal_n( string, start.first, start.last - start.first );
 }
 
 typedef std::set<CopiedString> TextureGroups;
 
-void TextureGroupsMenu_Construct(GtkMenu* menu, const TextureGroups& groups)
-{
-  texture_menunames.clear();
-
-  TextureGroups::const_iterator i = groups.begin();
-  while(i != groups.end())
-  {
-    const char* dirName = (*i).c_str();
-    const char* firstUnderscore = strchr(dirName, '_');
-    CopiedString dirRoot(dirName, (firstUnderscore == 0) ? dirName : firstUnderscore + 1);
-
-    // do we shrink the menus?
-    // we shrink only if we have at least two things to shrink :-)
-    TextureGroups::const_iterator next = i;
-    ++next;
-    if(firstUnderscore != 0
-      && next != groups.end()
-      && string_equal_start((*next).c_str(), dirRoot.c_str()))
-    {
-      CopiedString itemName(dirName, firstUnderscore);
-           GtkMenuItem* item = Menu_addItem(menu, itemName.c_str());
-
-           GtkMenu *pSubMenu = GTK_MENU(gtk_menu_new());
-      gtk_menu_item_set_submenu(item, GTK_WIDGET(pSubMenu));
-
-           // keep going...
-           while(i != groups.end() && string_equal_start((*i).c_str(), dirRoot.c_str()))
-           {
-             TextureGroupsMenu_addItem(pSubMenu, (*i).c_str());
-
-             ++i;
-           }
-    }
-    else
-    {
-      TextureGroupsMenu_addItem(menu, dirName);
-
-      ++i;
-    }
-  }
-}
-
-
-void TextureGroups_addWad(TextureGroups& groups, const char* archive)
-{
-  if(extension_equal(path_get_extension(archive), "wad"))
-  {
+void TextureGroups_addWad( TextureGroups& groups, const char* archive ){
+       if ( extension_equal( path_get_extension( archive ), "wad" ) ) {
 #if 1
-    groups.insert(archive);
+               groups.insert( archive );
 #else
-    CopiedString archiveBaseName(path_get_filename_start(archive), path_get_filename_base_end(archive));
-    groups.insert(archiveBaseName);
+               CopiedString archiveBaseName( path_get_filename_start( archive ), path_get_filename_base_end( archive ) );
+               groups.insert( archiveBaseName );
 #endif
-  }
+       }
 }
 typedef ReferenceCaller1<TextureGroups, const char*, TextureGroups_addWad> TextureGroupsAddWadCaller;
 
-void TextureGroups_addShader(TextureGroups& groups, const char* shaderName)
+namespace
 {
-  const char* texture = path_make_relative(shaderName, "textures/");
-  if(texture != shaderName)
-  {
-    const char* last = path_remove_directory(texture);
-    if(!string_empty(last))
-    {
-      groups.insert(CopiedString(texture, --last));
-    }
-  }
+bool g_TextureBrowser_shaderlistOnly = false;
+bool g_TextureBrowser_fixedSize = true;
+bool g_TextureBrowser_filterMissing = false;
+bool g_TextureBrowser_filterFallback = true;
+bool g_TextureBrowser_enableAlpha = true;
 }
-typedef ReferenceCaller1<TextureGroups, const char*, TextureGroups_addShader> TextureGroupsAddShaderCaller;
 
-void TextureGroups_addDirectory(TextureGroups& groups, const char* directory)
-{
-  groups.insert(directory);
+CopiedString g_notex;
+CopiedString g_shadernotex;
+bool isMissing(const char* name);
+bool isNotex(const char* name);
+
+bool isMissing(const char* name){
+       if ( string_equal( g_notex.c_str(), name ) ) {
+               return true;
+       }
+       if ( string_equal( g_shadernotex.c_str(), name ) ) {
+               return true;
+       }
+       return false;
 }
-typedef ReferenceCaller1<TextureGroups, const char*, TextureGroups_addDirectory> TextureGroupsAddDirectoryCaller;
 
-GtkMenu* g_textures_menu = 0;
-GtkMenuItem* g_textures_menu_separator = 0;
-namespace
-{
-  bool g_TexturesMenu_shaderlistOnly = false;
+bool isNotex(const char* name){
+       if ( string_equal_suffix( name, "/" NOTEX_BASENAME ) ) {
+               return true;
+       }
+       if ( string_equal_suffix( name, "/" SHADERNOTEX_BASENAME ) ) {
+               return true;
+       }
+       return false;
 }
-void TextureGroupsMenu_Construct()
-{
-  TextureGroups groups;
 
-  if(TextureGroupsMenu_showWads())
-  {
-    GlobalFileSystem().forEachArchive(TextureGroupsAddWadCaller(groups));
-  }
-  else
-  {
-    // scan texture dirs and pak files only if not restricting to shaderlist
-    if(g_pGameDescription->mGameType != "doom3" && !g_TexturesMenu_shaderlistOnly)
-    {
-      GlobalFileSystem().forEachDirectory("textures/", TextureGroupsAddDirectoryCaller(groups));
-    }
+void TextureGroups_addShader( TextureGroups& groups, const char* shaderName ){
+       const char* texture = path_make_relative( shaderName, "textures/" );
 
-    GlobalShaderSystem().foreachShaderName(TextureGroupsAddShaderCaller(groups));
-  }
+       // hide notex / shadernotex images
+       if ( g_TextureBrowser_filterFallback ) {
+               if ( isNotex( shaderName ) ) {
+                       return;
+               }
+               if ( isNotex( texture ) ) {
+                       return;
+               }
+       }
 
-  TextureGroupsMenu_Construct(g_textures_menu, groups);
+       if ( texture != shaderName ) {
+               const char* last = path_remove_directory( texture );
+               if ( !string_empty( last ) ) {
+                       groups.insert( CopiedString( StringRange( texture, --last ) ) );
+               }
+       }
 }
+typedef ReferenceCaller1<TextureGroups, const char*, TextureGroups_addShader> TextureGroupsAddShaderCaller;
 
-void TextureGroupsMenu_Destroy()
-{
-  // delete everything
-  GtkMenu* menu = g_textures_menu;
-  GtkMenuItem* sep = g_textures_menu_separator;
-  GList* lst = g_list_find(gtk_container_children(GTK_CONTAINER(menu)), GTK_WIDGET(sep));
-  while(lst->next)
-  {
-    // these delete functions are recursive, it's gonna free all submenus
-    gtk_widget_destroy(GTK_WIDGET (lst->next->data));
-    // lst is no longer relevant, need to get it again
-    lst = g_list_find(gtk_container_children(GTK_CONTAINER(menu)), GTK_WIDGET(sep));
-  }
+void TextureGroups_addDirectory( TextureGroups& groups, const char* directory ){
+       groups.insert( directory );
 }
-
-
-class TextureGroupsMenu : public ModuleObserver
-{
-  std::size_t m_unrealised;
-public:
-  TextureGroupsMenu() : m_unrealised(2)
-  {
-  }
-  void realise()
-  {
-    if(--m_unrealised == 0)
-    {
-      if(g_textures_menu != 0)
-      {
-        TextureGroupsMenu_Construct();
-      }
-    }
-  }
-  void unrealise()
-  {
-    if(++m_unrealised == 1)
-    {
-      if(g_textures_menu != 0)
-      {
-        TextureGroupsMenu_Destroy();
-      }
-    }
-  }
-};
-
-TextureGroupsMenu g_TextureGroupsMenu;
+typedef ReferenceCaller1<TextureGroups, const char*, TextureGroups_addDirectory> TextureGroupsAddDirectoryCaller;
 
 class DeferredAdjustment
 {
-  gdouble m_value;
-  guint m_handler;
-  typedef void (*ValueChangedFunction)(void* data, gdouble value);
-  ValueChangedFunction m_function;
-  void* m_data;
-
-  static gboolean deferred_value_changed(gpointer data)
-  {
-    reinterpret_cast<DeferredAdjustment*>(data)->m_function(
-      reinterpret_cast<DeferredAdjustment*>(data)->m_data,
-      reinterpret_cast<DeferredAdjustment*>(data)->m_value
-    );
-    reinterpret_cast<DeferredAdjustment*>(data)->m_handler = 0;
-    reinterpret_cast<DeferredAdjustment*>(data)->m_value = 0;
-    return FALSE;
-  }
+gdouble m_value;
+guint m_handler;
+typedef void ( *ValueChangedFunction )( void* data, gdouble value );
+ValueChangedFunction m_function;
+void* m_data;
+
+static gboolean deferred_value_changed( gpointer data ){
+       reinterpret_cast<DeferredAdjustment*>( data )->m_function(
+               reinterpret_cast<DeferredAdjustment*>( data )->m_data,
+               reinterpret_cast<DeferredAdjustment*>( data )->m_value
+               );
+       reinterpret_cast<DeferredAdjustment*>( data )->m_handler = 0;
+       reinterpret_cast<DeferredAdjustment*>( data )->m_value = 0;
+       return FALSE;
+}
 public:
-  DeferredAdjustment(ValueChangedFunction function, void* data) : m_value(0), m_handler(0), m_function(function), m_data(data)
-  {
-  }
-  void flush()
-  {
-    if(m_handler != 0)
-    {
-      g_source_remove(m_handler);
-      deferred_value_changed(this);
-    }
-  }
-  void value_changed(gdouble value)
-  {
-    m_value = value;
-    if(m_handler == 0)
-    {
-      m_handler = g_idle_add(deferred_value_changed, this);
-    }
-  }
-  static void adjustment_value_changed(GtkAdjustment *adjustment, DeferredAdjustment* self)
-  {
-    self->value_changed(adjustment->value);
-  }
+DeferredAdjustment( ValueChangedFunction function, void* data ) : m_value( 0 ), m_handler( 0 ), m_function( function ), m_data( data ){
+}
+void flush(){
+       if ( m_handler != 0 ) {
+               g_source_remove( m_handler );
+               deferred_value_changed( this );
+       }
+}
+void value_changed( gdouble value ){
+       m_value = value;
+       if ( m_handler == 0 ) {
+               m_handler = g_idle_add( deferred_value_changed, this );
+       }
+}
+static void adjustment_value_changed( GtkAdjustment *adjustment, DeferredAdjustment* self ){
+       self->value_changed( gtk_adjustment_get_value(adjustment) );
+}
 };
 
 
@@ -403,605 +217,706 @@ class TextureBrowser;
 
 typedef ReferenceCaller<TextureBrowser, TextureBrowser_queueDraw> TextureBrowserQueueDrawCaller;
 
-void TextureBrowser_scrollChanged(void* data, gdouble value);
+void TextureBrowser_scrollChanged( void* data, gdouble value );
 
 
 enum StartupShaders
 {
-  STARTUPSHADERS_NONE = 0,
-  STARTUPSHADERS_COMMON,
-  STARTUPSHADERS_ALL,
+       STARTUPSHADERS_NONE = 0,
+       STARTUPSHADERS_COMMON,
 };
 
+void TextureBrowser_hideUnusedExport( const BoolImportCallback& importer );
+typedef FreeCaller1<const BoolImportCallback&, TextureBrowser_hideUnusedExport> TextureBrowserHideUnusedExport;
+
+void TextureBrowser_showShadersExport( const BoolImportCallback& importer );
+typedef FreeCaller1<const BoolImportCallback&, TextureBrowser_showShadersExport> TextureBrowserShowShadersExport;
+
+void TextureBrowser_showShaderlistOnly( const BoolImportCallback& importer );
+typedef FreeCaller1<const BoolImportCallback&, TextureBrowser_showShaderlistOnly> TextureBrowserShowShaderlistOnlyExport;
+
+void TextureBrowser_fixedSize( const BoolImportCallback& importer );
+typedef FreeCaller1<const BoolImportCallback&, TextureBrowser_fixedSize> TextureBrowserFixedSizeExport;
+
+void TextureBrowser_filterMissing( const BoolImportCallback& importer );
+typedef FreeCaller1<const BoolImportCallback&, TextureBrowser_filterMissing> TextureBrowserFilterMissingExport;
+
+void TextureBrowser_filterFallback( const BoolImportCallback& importer );
+typedef FreeCaller1<const BoolImportCallback&, TextureBrowser_filterFallback> TextureBrowserFilterFallbackExport;
+
+void TextureBrowser_enableAlpha( const BoolImportCallback& importer );
+typedef FreeCaller1<const BoolImportCallback&, TextureBrowser_enableAlpha> TextureBrowserEnableAlphaExport;
+
 class TextureBrowser
 {
 public:
-       int width, height;
-       int originy;
-       int m_nTotalHeight;
-
-  CopiedString shader;
-
-  GtkEntry* m_filter;
-  NonModalEntry m_filterEntry;
-
-  GtkWindow* m_parent;
-  GtkWidget* m_gl_widget;
-
-  guint m_sizeHandler;
-  guint m_exposeHandler;
-
-  GtkWidget* m_texture_scroll;
-
-  bool m_heightChanged;
-  bool m_originInvalid;
-
-  DeferredAdjustment m_scrollAdjustment;
-  FreezePointer m_freezePointer;
-
-  Vector3 color_textureback;
-  // the increment step we use against the wheel mouse
-  std::size_t m_mouseWheelScrollIncrement;
-  std::size_t m_textureScale;
-  bool m_showTextureFilter;
-  // make the texture increments match the grid changes
-  bool m_showShaders;
-  bool m_showTextureScrollbar;
-  StartupShaders m_startupShaders;
-  // if true, the texture window will only display in-use shaders
-  // if false, all the shaders in memory are displayed
-  bool m_hideUnused;
-
-
-  void clearFilter()
-  {
-    gtk_entry_set_text(m_filter, "");
-    TextureBrowser_queueDraw(*this);
-  }
-  typedef MemberCaller<TextureBrowser, &TextureBrowser::clearFilter> ClearFilterCaller;
-
-  TextureBrowser() :
-    m_filter(0),
-    m_filterEntry(TextureBrowserQueueDrawCaller(*this), ClearFilterCaller(*this)),
-    m_texture_scroll(0),
-    m_heightChanged(true),
-    m_originInvalid(true),
-    m_scrollAdjustment(TextureBrowser_scrollChanged, this),
-    color_textureback(0.25f, 0.25f, 0.25f),
-    m_mouseWheelScrollIncrement(64),
-    m_textureScale(50),
-    m_showTextureFilter(false),
-    m_showShaders(true),
-    m_showTextureScrollbar(true),
-    m_startupShaders(STARTUPSHADERS_NONE),
-    m_hideUnused(false)
-  {
-  }
+int width, height;
+int originy;
+int m_nTotalHeight;
+
+CopiedString shader;
+
+ui::Window m_parent{ui::null};
+ui::GLArea m_gl_widget{ui::null};
+ui::Widget m_texture_scroll{ui::null};
+ui::Widget m_treeViewTree{ui::null};
+ui::Widget m_treeViewTags{ui::null};
+ui::Frame m_tag_frame{ui::null};
+ui::ListStore m_assigned_store{ui::null};
+ui::ListStore m_available_store{ui::null};
+ui::Widget m_assigned_tree{ui::null};
+ui::Widget m_available_tree{ui::null};
+ui::Widget m_scr_win_tree{ui::null};
+ui::Widget m_scr_win_tags{ui::null};
+ui::Widget m_tag_notebook{ui::null};
+ui::Button m_search_button{ui::null};
+ui::Widget m_shader_info_item{ui::null};
+
+std::set<CopiedString> m_all_tags;
+ui::ListStore m_all_tags_list{ui::null};
+std::vector<CopiedString> m_copied_tags;
+std::set<CopiedString> m_found_shaders;
+
+ToggleItem m_hideunused_item;
+ToggleItem m_hidenotex_item;
+ToggleItem m_showshaders_item;
+ToggleItem m_showshaderlistonly_item;
+ToggleItem m_fixedsize_item;
+ToggleItem m_filternotex_item;
+ToggleItem m_enablealpha_item;
+
+guint m_sizeHandler;
+guint m_exposeHandler;
+
+bool m_heightChanged;
+bool m_originInvalid;
+
+DeferredAdjustment m_scrollAdjustment;
+FreezePointer m_freezePointer;
+
+Vector3 color_textureback;
+// the increment step we use against the wheel mouse
+std::size_t m_mouseWheelScrollIncrement;
+std::size_t m_textureScale;
+// make the texture increments match the grid changes
+bool m_showShaders;
+bool m_showTextureScrollbar;
+StartupShaders m_startupShaders;
+// if true, the texture window will only display in-use shaders
+// if false, all the shaders in memory are displayed
+bool m_hideUnused;
+bool m_rmbSelected;
+bool m_searchedTags;
+bool m_tags;
+// The uniform size (in pixels) that textures are resized to when m_resizeTextures is true.
+int m_uniformTextureSize;
+// Return the display width of a texture in the texture browser
+int getTextureWidth( qtexture_t* tex ){
+       int width;
+       if ( !g_TextureBrowser_fixedSize ) {
+               // Don't use uniform size
+               width = (int)( tex->width * ( (float)m_textureScale / 100 ) );
+       }
+       else if
+       ( tex->width >= tex->height ) {
+               // Texture is square, or wider than it is tall
+               width = m_uniformTextureSize;
+       }
+       else {
+               // Otherwise, preserve the texture's aspect ratio
+               width = (int)( m_uniformTextureSize * ( (float)tex->width / tex->height ) );
+       }
+       return width;
+}
+// Return the display height of a texture in the texture browser
+int getTextureHeight( qtexture_t* tex ){
+       int height;
+       if ( !g_TextureBrowser_fixedSize ) {
+               // Don't use uniform size
+               height = (int)( tex->height * ( (float)m_textureScale / 100 ) );
+       }
+       else if ( tex->height >= tex->width ) {
+               // Texture is square, or taller than it is wide
+               height = m_uniformTextureSize;
+       }
+       else {
+               // Otherwise, preserve the texture's aspect ratio
+               height = (int)( m_uniformTextureSize * ( (float)tex->height / tex->width ) );
+       }
+       return height;
+}
+
+TextureBrowser() :
+       m_texture_scroll( 0 ),
+       m_hideunused_item( TextureBrowserHideUnusedExport() ),
+       m_hidenotex_item( TextureBrowserFilterFallbackExport() ),
+       m_showshaders_item( TextureBrowserShowShadersExport() ),
+       m_showshaderlistonly_item( TextureBrowserShowShaderlistOnlyExport() ),
+       m_fixedsize_item( TextureBrowserFixedSizeExport() ),
+       m_filternotex_item( TextureBrowserFilterMissingExport() ),
+       m_enablealpha_item( TextureBrowserEnableAlphaExport() ),
+       m_heightChanged( true ),
+       m_originInvalid( true ),
+       m_scrollAdjustment( TextureBrowser_scrollChanged, this ),
+       color_textureback( 0.25f, 0.25f, 0.25f ),
+       m_mouseWheelScrollIncrement( 64 ),
+       m_textureScale( 50 ),
+       m_showShaders( true ),
+       m_showTextureScrollbar( true ),
+       m_startupShaders( STARTUPSHADERS_NONE ),
+       m_hideUnused( false ),
+       m_rmbSelected( false ),
+       m_searchedTags( false ),
+       m_tags( false ),
+       m_uniformTextureSize( 96 ){
+}
 };
 
-void(*TextureBrowser_textureSelected)(const char* shader);
+void ( *TextureBrowser_textureSelected )( const char* shader );
 
 
-void TextureBrowser_updateScroll(TextureBrowser& textureBrowser);
+void TextureBrowser_updateScroll( TextureBrowser& textureBrowser );
 
 
-const char* TextureBrowser_getComonShadersName()
-{
-  const char* value = g_pGameDescription->getKeyValue("common_shaders_name");
-  if(!string_empty(value))
-  {
-    return value;
-  }
-  return "Common";
+const char* TextureBrowser_getComonShadersName(){
+       const char* value = g_pGameDescription->getKeyValue( "common_shaders_name" );
+       if ( !string_empty( value ) ) {
+               return value;
+       }
+       return "Common";
 }
 
-const char* TextureBrowser_getComonShadersDir()
-{
-  const char* value = g_pGameDescription->getKeyValue("common_shaders_dir");
-  if(!string_empty(value))
-  {
-    return value;
-  }
-  return "common/";
+const char* TextureBrowser_getComonShadersDir(){
+       const char* value = g_pGameDescription->getKeyValue( "common_shaders_dir" );
+       if ( !string_empty( value ) ) {
+               return value;
+       }
+       return "common/";
 }
 
-
-void TextureBrowser_setShowFilter(TextureBrowser& textureBrowser, bool show)
-{
-  widget_set_visible(GTK_WIDGET(textureBrowser.m_filter), show);
+inline int TextureBrowser_fontHeight( TextureBrowser& textureBrowser ){
+       return GlobalOpenGL().m_font->getPixelHeight();
 }
 
-const char* TextureBrowser_getFilter(TextureBrowser& textureBrowser)
-{
-  if(textureBrowser.m_showTextureFilter)
-  {
-    return gtk_entry_get_text(textureBrowser.m_filter);
-  }
-  return 0;
+const char* TextureBrowser_GetSelectedShader( TextureBrowser& textureBrowser ){
+       return textureBrowser.shader.c_str();
 }
 
-inline int TextureBrowser_fontHeight(TextureBrowser& textureBrowser)
-{
-  return GlobalOpenGL().m_fontHeight;
+void TextureBrowser_SetStatus( TextureBrowser& textureBrowser, const char* name ){
+       IShader* shader = QERApp_Shader_ForName( name );
+       qtexture_t* q = shader->getTexture();
+       StringOutputStream strTex( 256 );
+       strTex << name << " W: " << Unsigned( q->width ) << " H: " << Unsigned( q->height );
+       shader->DecRef();
+       g_pParentWnd->SetStatusText( g_pParentWnd->m_texture_status, strTex.c_str() );
 }
 
-const char* TextureBrowser_GetSelectedShader(TextureBrowser& textureBrowser)
-{
-  return textureBrowser.shader.c_str();
-}
+void TextureBrowser_Focus( TextureBrowser& textureBrowser, const char* name );
 
-void TextureBrowser_SetStatus(TextureBrowser& textureBrowser, const char* name)
-{
-  IShader* shader = QERApp_Shader_ForName( name);
-  qtexture_t* q = shader->getTexture();
-  StringOutputStream strTex(256);
-  strTex << name << " W: " << Unsigned(q->width) << " H: " << Unsigned(q->height);
-  shader->DecRef();
-  g_pParentWnd->SetStatusText(g_pParentWnd->m_texture_status, strTex.c_str());
-}
+void TextureBrowser_SetSelectedShader( TextureBrowser& textureBrowser, const char* shader ){
+       textureBrowser.shader = shader;
+       TextureBrowser_SetStatus( textureBrowser, shader );
+       TextureBrowser_Focus( textureBrowser, shader );
 
-void TextureBrowser_Focus(TextureBrowser& textureBrowser, const char* name);
+       if ( FindTextureDialog_isOpen() ) {
+               FindTextureDialog_selectTexture( shader );
+       }
 
-void TextureBrowser_SetSelectedShader(TextureBrowser& textureBrowser, const char* shader)
-{
-  textureBrowser.shader = shader;
-  TextureBrowser_SetStatus(textureBrowser, shader);
-  TextureBrowser_Focus(textureBrowser, shader);
+       // disable the menu item "shader info" if no shader was selected
+       IShader* ishader = QERApp_Shader_ForName( shader );
+       CopiedString filename = ishader->getShaderFileName();
+
+       if ( filename.empty() ) {
+               if ( textureBrowser.m_shader_info_item != NULL ) {
+                       gtk_widget_set_sensitive( textureBrowser.m_shader_info_item, FALSE );
+               }
+       }
+       else {
+               gtk_widget_set_sensitive( textureBrowser.m_shader_info_item, TRUE );
+       }
 
-  if(FindTextureDialog_isOpen())
-  {
-    FindTextureDialog_selectTexture(shader);
-  }
+       ishader->DecRef();
 }
 
 
 CopiedString g_TextureBrowser_currentDirectory;
 
 /*
-============================================================================
+   ============================================================================
 
-TEXTURE LAYOUT
+   TEXTURE LAYOUT
 
-TTimo: now based on a rundown through all the shaders
-NOTE: we expect the Active shaders count doesn't change during a Texture_StartPos .. Texture_NextPos cycle
-  otherwise we may need to rely on a list instead of an array storage
-============================================================================
-*/
+   TTimo: now based on a rundown through all the shaders
+   NOTE: we expect the Active shaders count doesn't change during a Texture_StartPos .. Texture_NextPos cycle
+   otherwise we may need to rely on a list instead of an array storage
+   ============================================================================
+ */
 
 class TextureLayout
 {
 public:
-  // texture layout functions
-  // TTimo: now based on shaders
-  int current_x, current_y, current_row;
+// texture layout functions
+// TTimo: now based on shaders
+int current_x, current_y, current_row;
 };
 
-void Texture_StartPos(TextureLayout& layout)
-{
-  layout.current_x = 8;
-  layout.current_y = -8;
-  layout.current_row = 0;
+void Texture_StartPos( TextureLayout& layout ){
+       layout.current_x = 8;
+       layout.current_y = -8;
+       layout.current_row = 0;
 }
 
-void Texture_NextPos(TextureBrowser& textureBrowser, TextureLayout& layout, qtexture_t* current_texture, int *x, int *y)
-{
-  qtexture_t* q = current_texture;
+void Texture_NextPos( TextureBrowser& textureBrowser, TextureLayout& layout, qtexture_t* current_texture, int *x, int *y ){
+       qtexture_t* q = current_texture;
+
+       int nWidth = textureBrowser.getTextureWidth( q );
+       int nHeight = textureBrowser.getTextureHeight( q );
+       if ( layout.current_x + nWidth > textureBrowser.width - 8 && layout.current_row ) { // go to the next row unless the texture is the first on the row
+               layout.current_x = 8;
+               layout.current_y -= layout.current_row + TextureBrowser_fontHeight( textureBrowser ) + 4;
+               layout.current_row = 0;
+       }
+
+       *x = layout.current_x;
+       *y = layout.current_y;
 
-  int nWidth = (int)(q->width * ((float)textureBrowser.m_textureScale / 100));
-  int nHeight = (int)(q->height * ((float)textureBrowser.m_textureScale / 100));
-  if (layout.current_x + nWidth > textureBrowser.width-8 && layout.current_row)
-  { // go to the next row unless the texture is the first on the row
-    layout.current_x = 8;
-    layout.current_y -= layout.current_row + TextureBrowser_fontHeight(textureBrowser) + 4;
-    layout.current_row = 0;
-  }
+       // Is our texture larger than the row? If so, grow the
+       // row height to match it
+
+       if ( layout.current_row < nHeight ) {
+               layout.current_row = nHeight;
+       }
 
-  *x = layout.current_x;
-  *y = layout.current_y;
+       // never go less than 96, or the names get all crunched up
+       layout.current_x += nWidth < 96 ? 96 : nWidth;
+       layout.current_x += 8;
+}
 
-  // Is our texture larger than the row? If so, grow the
-  // row height to match it
+bool TextureSearch_IsShown( const char* name ){
+       std::set<CopiedString>::iterator iter;
 
-  if (layout.current_row < nHeight)
-    layout.current_row = nHeight;
+       iter = GlobalTextureBrowser().m_found_shaders.find( name );
 
-  // never go less than 64, or the names get all crunched up
-  layout.current_x += nWidth < 64 ? 64 : nWidth;
-  layout.current_x += 8;
+       if ( iter == GlobalTextureBrowser().m_found_shaders.end() ) {
+               return false;
+       }
+       else {
+               return true;
+       }
 }
 
 // if texture_showinuse jump over non in-use textures
-bool Texture_IsShown(IShader* shader, bool show_shaders, bool hideUnused, const char* filter)
-{
-  if(!shader_equal_prefix(shader->getName(), "textures/"))
-    return false;
+bool Texture_IsShown( IShader* shader, bool show_shaders, bool hideUnused ){
+       // filter missing shaders
+       // ugly: filter on built-in fallback name after substitution
+       if ( g_TextureBrowser_filterMissing ) {
+               if ( isMissing( shader->getTexture()->name ) ) {
+                       return false;
+               }
+       }
+       // filter the fallback (notex/shadernotex) for missing shaders or editor image
+       if ( g_TextureBrowser_filterFallback ) {
+               if ( isNotex( shader->getName() ) ) {
+                       return false;
+               }
+               if ( isNotex( shader->getTexture()->name ) ) {
+                       return false;
+               }
+       }
+
+       if ( g_TextureBrowser_currentDirectory == "Untagged" ) {
+               std::set<CopiedString>::iterator iter;
+
+               iter = GlobalTextureBrowser().m_found_shaders.find( shader->getName() );
 
-  if (!show_shaders && !shader->IsDefault())
-    return false;
+               if ( iter == GlobalTextureBrowser().m_found_shaders.end() ) {
+                       return false;
+               }
+               else {
+                       return true;
+               }
+       }
+
+       if ( !shader_equal_prefix( shader->getName(), "textures/" ) ) {
+               return false;
+       }
 
-  if(hideUnused && !shader->IsInUse())
-    return false;
+       if ( !show_shaders && !shader->IsDefault() ) {
+               return false;
+       }
 
-  if(!string_empty(g_TextureBrowser_currentDirectory.c_str()))
-  {
-    if(!shader_equal_prefix(shader_get_textureName(shader->getName()), g_TextureBrowser_currentDirectory.c_str()))
-    {
-      return false;
-    }
-  }
+       if ( hideUnused && !shader->IsInUse() ) {
+               return false;
+       }
 
-  if (filter != 0)
-  {
-    // some basic filtering
-    if (strstr( shader_get_textureName(shader->getName()), filter ) == 0)
-      return false;
-  }
+       if ( GlobalTextureBrowser().m_searchedTags ) {
+               if ( !TextureSearch_IsShown( shader->getName() ) ) {
+                       return false;
+               }
+               else {
+                       return true;
+               }
+       }
+       else {
+               if ( !shader_equal_prefix( shader_get_textureName( shader->getName() ), g_TextureBrowser_currentDirectory.c_str() ) ) {
+                       return false;
+               }
+       }
 
-  return true;
+       return true;
 }
 
-void TextureBrowser_heightChanged(TextureBrowser& textureBrowser)
-{
-  textureBrowser.m_heightChanged = true;
+void TextureBrowser_heightChanged( TextureBrowser& textureBrowser ){
+       textureBrowser.m_heightChanged = true;
 
-  TextureBrowser_updateScroll(textureBrowser);
-  TextureBrowser_queueDraw(textureBrowser);
+       TextureBrowser_updateScroll( textureBrowser );
+       TextureBrowser_queueDraw( textureBrowser );
 }
 
-void TextureBrowser_evaluateHeight(TextureBrowser& textureBrowser)
-{
-  if(textureBrowser.m_heightChanged)
-  {
-    textureBrowser.m_heightChanged = false;
+void TextureBrowser_evaluateHeight( TextureBrowser& textureBrowser ){
+       if ( textureBrowser.m_heightChanged ) {
+               textureBrowser.m_heightChanged = false;
 
-    textureBrowser.m_nTotalHeight = 0;
+               textureBrowser.m_nTotalHeight = 0;
 
-    TextureLayout layout;
-    Texture_StartPos(layout);
-    for(QERApp_ActiveShaders_IteratorBegin(); !QERApp_ActiveShaders_IteratorAtEnd(); QERApp_ActiveShaders_IteratorIncrement())
-    {
-      IShader* shader = QERApp_ActiveShaders_IteratorCurrent();
+               TextureLayout layout;
+               Texture_StartPos( layout );
+               for ( QERApp_ActiveShaders_IteratorBegin(); !QERApp_ActiveShaders_IteratorAtEnd(); QERApp_ActiveShaders_IteratorIncrement() )
+               {
+                       IShader* shader = QERApp_ActiveShaders_IteratorCurrent();
 
-      if(!Texture_IsShown(shader, textureBrowser.m_showShaders, textureBrowser.m_hideUnused, TextureBrowser_getFilter(textureBrowser)))
-        continue;
+                       if ( !Texture_IsShown( shader, textureBrowser.m_showShaders, textureBrowser.m_hideUnused ) ) {
+                               continue;
+                       }
 
-      int   x, y;
-      Texture_NextPos(textureBrowser, layout, shader->getTexture(), &x, &y);
-      textureBrowser.m_nTotalHeight = std::max(textureBrowser.m_nTotalHeight, abs(layout.current_y) + TextureBrowser_fontHeight(textureBrowser) + (int)(shader->getTexture()->height * ((float)textureBrowser.m_textureScale / 100)) + 4);
-    }
-  }
+                       int x, y;
+                       Texture_NextPos( textureBrowser, layout, shader->getTexture(), &x, &y );
+                       textureBrowser.m_nTotalHeight = std::max( textureBrowser.m_nTotalHeight, abs( layout.current_y ) + TextureBrowser_fontHeight( textureBrowser ) + textureBrowser.getTextureHeight( shader->getTexture() ) + 4 );
+               }
+       }
 }
 
-int TextureBrowser_TotalHeight(TextureBrowser& textureBrowser)
-{
-  TextureBrowser_evaluateHeight(textureBrowser);
-  return textureBrowser.m_nTotalHeight;
+int TextureBrowser_TotalHeight( TextureBrowser& textureBrowser ){
+       TextureBrowser_evaluateHeight( textureBrowser );
+       return textureBrowser.m_nTotalHeight;
 }
 
-inline const int& min_int(const int& left, const int& right)
-{
-  return std::min(left, right);
+inline const int& min_int( const int& left, const int& right ){
+       return std::min( left, right );
 }
 
-void TextureBrowser_clampOriginY(TextureBrowser& textureBrowser)
-{
-  if(textureBrowser.originy > 0)
-  {
-    textureBrowser.originy = 0;
-  }
-  int lower = min_int(textureBrowser.height - TextureBrowser_TotalHeight(textureBrowser), 0);
-  if(textureBrowser.originy < lower)
-  {
-    textureBrowser.originy = lower;
-  }
-}
-
-int TextureBrowser_getOriginY(TextureBrowser& textureBrowser)
-{
-  if(textureBrowser.m_originInvalid)
-  {
-    textureBrowser.m_originInvalid = false;
-    TextureBrowser_clampOriginY(textureBrowser);
-    TextureBrowser_updateScroll(textureBrowser);
-  }
-  return textureBrowser.originy;
+void TextureBrowser_clampOriginY( TextureBrowser& textureBrowser ){
+       if ( textureBrowser.originy > 0 ) {
+               textureBrowser.originy = 0;
+       }
+       int lower = min_int( textureBrowser.height - TextureBrowser_TotalHeight( textureBrowser ), 0 );
+       if ( textureBrowser.originy < lower ) {
+               textureBrowser.originy = lower;
+       }
 }
 
-void TextureBrowser_setOriginY(TextureBrowser& textureBrowser, int originy)
-{
-  textureBrowser.originy = originy;
-  TextureBrowser_clampOriginY(textureBrowser);
-  TextureBrowser_updateScroll(textureBrowser);
-  TextureBrowser_queueDraw(textureBrowser);
+int TextureBrowser_getOriginY( TextureBrowser& textureBrowser ){
+       if ( textureBrowser.m_originInvalid ) {
+               textureBrowser.m_originInvalid = false;
+               TextureBrowser_clampOriginY( textureBrowser );
+               TextureBrowser_updateScroll( textureBrowser );
+       }
+       return textureBrowser.originy;
 }
 
+void TextureBrowser_setOriginY( TextureBrowser& textureBrowser, int originy ){
+       textureBrowser.originy = originy;
+       TextureBrowser_clampOriginY( textureBrowser );
+       TextureBrowser_updateScroll( textureBrowser );
+       TextureBrowser_queueDraw( textureBrowser );
+}
 
-std::set<Callback> g_activeShadersChangedCallbacks;
 
-void TextureBrowser_addActiveShadersChangedCallback(const Callback& callback)
-{
-  g_activeShadersChangedCallbacks.insert(callback);
+Signal0 g_activeShadersChangedCallbacks;
+
+void TextureBrowser_addActiveShadersChangedCallback( const SignalHandler& handler ){
+       g_activeShadersChangedCallbacks.connectLast( handler );
 }
 
+void TextureBrowser_constructTreeStore();
+
 class ShadersObserver : public ModuleObserver
 {
-  std::set<Callback> m_realiseCallbacks;
+Signal0 m_realiseCallbacks;
 public:
-  void realise()
-  {
-    std::for_each(m_realiseCallbacks.begin(), m_realiseCallbacks.end(), CallbackInvoke());
-  }
-  void unrealise()
-  {
-  }
-  void insert(const Callback& callback)
-  {
-    m_realiseCallbacks.insert(callback);
-  }
+void realise(){
+       m_realiseCallbacks();
+       TextureBrowser_constructTreeStore();
+}
+void unrealise(){
+}
+void insert( const SignalHandler& handler ){
+       m_realiseCallbacks.connectLast( handler );
+}
 };
 
 namespace
 {
-  ShadersObserver g_ShadersObserver;
+ShadersObserver g_ShadersObserver;
 }
 
-void TextureBrowser_addShadersRealiseCallback(const Callback& callback)
-{
-  g_ShadersObserver.insert(callback);
+void TextureBrowser_addShadersRealiseCallback( const SignalHandler& handler ){
+       g_ShadersObserver.insert( handler );
 }
 
-void TextureBrowser_activeShadersChanged(TextureBrowser& textureBrowser)
-{
-  TextureBrowser_heightChanged(textureBrowser);
-  textureBrowser.m_originInvalid = true;
+void TextureBrowser_activeShadersChanged( TextureBrowser& textureBrowser ){
+       TextureBrowser_heightChanged( textureBrowser );
+       textureBrowser.m_originInvalid = true;
 
-  std::for_each(g_activeShadersChangedCallbacks.begin(), g_activeShadersChangedCallbacks.end(), CallbackInvoke());
+       g_activeShadersChangedCallbacks();
 }
 
-void TextureBrowser_importShowScrollbar(TextureBrowser& textureBrowser, bool value)
-{
-  textureBrowser.m_showTextureScrollbar = value;
-  if(textureBrowser.m_texture_scroll != 0)
-  {
-    widget_set_visible(textureBrowser.m_texture_scroll, textureBrowser.m_showTextureScrollbar);
-    TextureBrowser_updateScroll(textureBrowser);
-  }
+void TextureBrowser_importShowScrollbar( TextureBrowser& textureBrowser, bool value ){
+       textureBrowser.m_showTextureScrollbar = value;
+       if ( textureBrowser.m_texture_scroll != 0 ) {
+               textureBrowser.m_texture_scroll.visible(textureBrowser.m_showTextureScrollbar);
+               TextureBrowser_updateScroll( textureBrowser );
+       }
 }
 typedef ReferenceCaller1<TextureBrowser, bool, TextureBrowser_importShowScrollbar> TextureBrowserImportShowScrollbarCaller;
 
-void TextureBrowser_importShowFilter(TextureBrowser& textureBrowser, bool value)
-{
-  textureBrowser.m_showTextureFilter = value;
-  if(textureBrowser.m_filter != 0)
-  {
-    TextureBrowser_setShowFilter(textureBrowser, textureBrowser.m_showTextureFilter);
-  }
-}
-typedef ReferenceCaller1<TextureBrowser, bool, TextureBrowser_importShowFilter> TextureBrowserImportShowFilterCaller;
 
 /*
-==============
-TextureBrowser_ShowDirectory
-relies on texture_directory global for the directory to use
-1) Load the shaders for the given directory
-2) Scan the remaining texture, load them and assign them a default shader (the "noshader" shader)
-NOTE: when writing a texture plugin, or some texture extensions, this function may need to be overriden, and made
-  available through the IShaders interface
-NOTE: for texture window layout:
-  all shaders are stored with alphabetical order after load
-  previously loaded and displayed stuff is hidden, only in-use and newly loaded is shown
-  ( the GL textures are not flushed though)
-==============
-*/
-bool texture_name_ignore(const char* name)
-{
-  StringOutputStream strTemp(string_length(name));
-  strTemp << LowerCase(name);
-
-  return strstr(strTemp.c_str(), ".specular") != 0 ||
-    strstr(strTemp.c_str(), ".glow") != 0 ||
-    strstr(strTemp.c_str(), ".bump") != 0 ||
-    strstr(strTemp.c_str(), ".diffuse") != 0 ||
-    strstr(strTemp.c_str(), ".blend") != 0 ||
-         strstr(strTemp.c_str(), ".alpha") != 0;
+   ==============
+   TextureBrowser_ShowDirectory
+   relies on texture_directory global for the directory to use
+   1) Load the shaders for the given directory
+   2) Scan the remaining texture, load them and assign them a default shader (the "noshader" shader)
+   NOTE: when writing a texture plugin, or some texture extensions, this function may need to be overriden, and made
+   available through the IShaders interface
+   NOTE: for texture window layout:
+   all shaders are stored with alphabetical order after load
+   previously loaded and displayed stuff is hidden, only in-use and newly loaded is shown
+   ( the GL textures are not flushed though)
+   ==============
+ */
+
+bool endswith( const char *haystack, const char *needle ){
+       size_t lh = strlen( haystack );
+       size_t ln = strlen( needle );
+       if ( lh < ln ) {
+               return false;
+       }
+       return !memcmp( haystack + ( lh - ln ), needle, ln );
+}
+
+bool texture_name_ignore( const char* name ){
+       StringOutputStream strTemp( string_length( name ) );
+       strTemp << LowerCase( name );
+
+       return
+               endswith( strTemp.c_str(), ".specular" ) ||
+               endswith( strTemp.c_str(), ".glow" ) ||
+               endswith( strTemp.c_str(), ".bump" ) ||
+               endswith( strTemp.c_str(), ".diffuse" ) ||
+               endswith( strTemp.c_str(), ".blend" ) ||
+               endswith( strTemp.c_str(), ".alpha" ) ||
+               endswith( strTemp.c_str(), "_norm" ) ||
+               endswith( strTemp.c_str(), "_bump" ) ||
+               endswith( strTemp.c_str(), "_glow" ) ||
+               endswith( strTemp.c_str(), "_gloss" ) ||
+               endswith( strTemp.c_str(), "_pants" ) ||
+               endswith( strTemp.c_str(), "_shirt" ) ||
+               endswith( strTemp.c_str(), "_reflect" ) ||
+               endswith( strTemp.c_str(), "_alpha" ) ||
+               0;
 }
 
 class LoadShaderVisitor : public Archive::Visitor
 {
 public:
-  void visit(const char* name)
-  {
-    CopiedString shaderName(name, path_get_filename_base_end(name));
-    IShader* shader = QERApp_Shader_ForName(shaderName.c_str());
-    shader->DecRef();
-  }
+void visit( const char* name ){
+       IShader* shader = QERApp_Shader_ForName( CopiedString( StringRange( name, path_get_filename_base_end( name ) ) ).c_str() );
+       shader->DecRef();
+}
 };
 
-void TextureBrowser_SetHideUnused(TextureBrowser& textureBrowser, bool hideUnused);
+void TextureBrowser_SetHideUnused( TextureBrowser& textureBrowser, bool hideUnused );
 
-GtkWidget* g_page_textures;
+ui::Widget g_page_textures{ui::null};
 
-void TextureBrowser_toggleShown() 
-{
-  GroupDialog_showPage(g_page_textures);
+void TextureBrowser_toggleShow(){
+       GroupDialog_showPage( g_page_textures );
 }
 
 
-void TextureBrowser_updateTitle()
-{
-  GroupDialog_updatePageTitle(g_page_textures);
+void TextureBrowser_updateTitle(){
+       GroupDialog_updatePageTitle( g_page_textures );
 }
 
 
 
 class TextureCategoryLoadShader
 {
-  const char* m_directory;
-  std::size_t& m_count;
+const char* m_directory;
+std::size_t& m_count;
 public:
-  typedef const char* first_argument_type;
-
-  TextureCategoryLoadShader(const char* directory, std::size_t& count)
-    : m_directory(directory), m_count(count)
-  {
-    m_count = 0;
-  }
-  void operator()(const char* name) const
-  {
-    if(shader_equal_prefix(name, "textures/")
-      && shader_equal_prefix(name + string_length("textures/"), m_directory))
-    {
-      ++m_count;
-      // request the shader, this will load the texture if needed
-      // this Shader_ForName call is a kind of hack
-      IShader *pFoo = QERApp_Shader_ForName(name);
-      pFoo->DecRef();
-    }
-  }
+typedef const char* first_argument_type;
+
+TextureCategoryLoadShader( const char* directory, std::size_t& count )
+       : m_directory( directory ), m_count( count ){
+       m_count = 0;
+}
+void operator()( const char* name ) const {
+       if ( shader_equal_prefix( name, "textures/" )
+                && shader_equal_prefix( name + string_length( "textures/" ), m_directory ) ) {
+               ++m_count;
+               // request the shader, this will load the texture if needed
+               // this Shader_ForName call is a kind of hack
+               IShader *pFoo = QERApp_Shader_ForName( name );
+               pFoo->DecRef();
+       }
+}
 };
 
-void TextureDirectory_loadTexture(const char* directory, const char* texture)
-{
-  StringOutputStream name(256);
-  name << directory << StringRange(texture, path_get_filename_base_end(texture));
+void TextureDirectory_loadTexture( const char* directory, const char* texture ){
+       StringOutputStream name( 256 );
+       name << directory << StringRange( texture, path_get_filename_base_end( texture ) );
 
-  if(texture_name_ignore(name.c_str()))
-  {
-    return;
-  }
+       if ( texture_name_ignore( name.c_str() ) ) {
+               return;
+       }
 
-  if (!texdef_name_valid(name.c_str()))
-  {
-    globalOutputStream() << "Skipping invalid texture name: [" << name.c_str() << "]\n";
-    return;
-  }
+       if ( !shader_valid( name.c_str() ) ) {
+               globalOutputStream() << "Skipping invalid texture name: [" << name.c_str() << "]\n";
+               return;
+       }
 
-  // if a texture is already in use to represent a shader, ignore it
-  IShader* shader = QERApp_Shader_ForName(name.c_str());
-  shader->DecRef();
+       // if a texture is already in use to represent a shader, ignore it
+       IShader* shader = QERApp_Shader_ForName( name.c_str() );
+       shader->DecRef();
 }
 typedef ConstPointerCaller1<char, const char*, TextureDirectory_loadTexture> TextureDirectoryLoadTextureCaller;
 
 class LoadTexturesByTypeVisitor : public ImageModules::Visitor
 {
-  const char* m_dirstring;
+const char* m_dirstring;
 public:
-  LoadTexturesByTypeVisitor(const char* dirstring)
-    : m_dirstring(dirstring)
-  {
-  }
-  void visit(const char* minor, const _QERPlugImageTable& table)
-  {
-    GlobalFileSystem().forEachFile(m_dirstring, minor, TextureDirectoryLoadTextureCaller(m_dirstring));
-  }
+LoadTexturesByTypeVisitor( const char* dirstring )
+       : m_dirstring( dirstring ){
+}
+void visit( const char* minor, const _QERPlugImageTable& table ) const {
+       GlobalFileSystem().forEachFile( m_dirstring, minor, TextureDirectoryLoadTextureCaller( m_dirstring ) );
+}
 };
 
-void TextureBrowser_ShowDirectory(TextureBrowser& textureBrowser, const char* directory)
-{
-  if(TextureGroupsMenu_showWads())
-  {
-    Archive* archive = GlobalFileSystem().getArchive(directory);
-    ASSERT_NOTNULL(archive);
-    LoadShaderVisitor visitor;
-    archive->forEachFile(Archive::VisitorFunc(visitor, Archive::eFiles, 0), "textures/");
-  }
-  else
-  {
-    g_TextureBrowser_currentDirectory = directory;
-    TextureBrowser_heightChanged(textureBrowser);
+void TextureBrowser_ShowDirectory( TextureBrowser& textureBrowser, const char* directory ){
+       if ( TextureBrowser_showWads() ) {
+               Archive* archive = GlobalFileSystem().getArchive( directory );
+               ASSERT_NOTNULL( archive );
+               LoadShaderVisitor visitor;
+               archive->forEachFile( Archive::VisitorFunc( visitor, Archive::eFiles, 0 ), "textures/" );
+       }
+       else
+       {
+               g_TextureBrowser_currentDirectory = directory;
+               TextureBrowser_heightChanged( textureBrowser );
+
+               std::size_t shaders_count;
+               GlobalShaderSystem().foreachShaderName( makeCallback1( TextureCategoryLoadShader( directory, shaders_count ) ) );
+               globalOutputStream() << "Showing " << Unsigned( shaders_count ) << " shaders.\n";
+
+               if ( g_pGameDescription->mGameType != "doom3" ) {
+                       // load remaining texture files
+
+                       StringOutputStream dirstring( 64 );
+                       dirstring << "textures/" << directory;
+
+                       Radiant_getImageModules().foreachModule( LoadTexturesByTypeVisitor( dirstring.c_str() ) );
+               }
+       }
+
+       // we'll display the newly loaded textures + all the ones already in use
+       TextureBrowser_SetHideUnused( textureBrowser, false );
 
-    std::size_t shaders_count;
-    GlobalShaderSystem().foreachShaderName(makeCallback1(TextureCategoryLoadShader(directory, shaders_count)));
-    globalOutputStream() << "Showing " << Unsigned(shaders_count) << " shaders.\n";
+       TextureBrowser_updateTitle();
+}
 
-    if(g_pGameDescription->mGameType != "doom3")
-    {
-      // load remaining texture files
+void TextureBrowser_ShowTagSearchResult( TextureBrowser& textureBrowser, const char* directory ){
+       g_TextureBrowser_currentDirectory = directory;
+       TextureBrowser_heightChanged( textureBrowser );
 
-      StringOutputStream dirstring(64);
-      dirstring << "textures/" << directory;
+       std::size_t shaders_count;
+       GlobalShaderSystem().foreachShaderName( makeCallback1( TextureCategoryLoadShader( directory, shaders_count ) ) );
+       globalOutputStream() << "Showing " << Unsigned( shaders_count ) << " shaders.\n";
 
-      {
-        LoadTexturesByTypeVisitor visitor(dirstring.c_str());
-        Radiant_getImageModules().foreachModule(visitor);
-      }
-    }
-  }
+       if ( g_pGameDescription->mGameType != "doom3" ) {
+               // load remaining texture files
+               StringOutputStream dirstring( 64 );
+               dirstring << "textures/" << directory;
 
-  // we'll display the newly loaded textures + all the ones already in use
-  TextureBrowser_SetHideUnused(textureBrowser, false);
+               {
+                       LoadTexturesByTypeVisitor visitor( dirstring.c_str() );
+                       Radiant_getImageModules().foreachModule( visitor );
+               }
+       }
 
-  TextureBrowser_updateTitle();
+       // we'll display the newly loaded textures + all the ones already in use
+       TextureBrowser_SetHideUnused( textureBrowser, false );
 }
 
 
 bool TextureBrowser_hideUnused();
 
-void TextureBrowser_hideUnusedExport(const BoolImportCallback& importer)
-{
-  importer(TextureBrowser_hideUnused());
+void TextureBrowser_hideUnusedExport( const BoolImportCallback& importer ){
+       importer( TextureBrowser_hideUnused() );
 }
 typedef FreeCaller1<const BoolImportCallback&, TextureBrowser_hideUnusedExport> TextureBrowserHideUnusedExport;
 
-void TextureBrowser_showShadersExport(const BoolImportCallback& importer)
-{
-  importer(GlobalTextureBrowser().m_showShaders);
+void TextureBrowser_showShadersExport( const BoolImportCallback& importer ){
+       importer( GlobalTextureBrowser().m_showShaders );
 }
 typedef FreeCaller1<const BoolImportCallback&, TextureBrowser_showShadersExport> TextureBrowserShowShadersExport;
 
-void TextureBrowser_showShaderlistOnly(const BoolImportCallback& importer)
-{
-  importer(g_TexturesMenu_shaderlistOnly);
+void TextureBrowser_showShaderlistOnly( const BoolImportCallback& importer ){
+       importer( g_TextureBrowser_shaderlistOnly );
 }
 typedef FreeCaller1<const BoolImportCallback&, TextureBrowser_showShaderlistOnly> TextureBrowserShowShaderlistOnlyExport;
 
-class TexturesMenu
-{
-public:
-  ToggleItem m_hideunused_item;
-  ToggleItem m_showshaders_item;
-  ToggleItem m_showshaderlistonly_item;
-
-  TexturesMenu() :
-    m_hideunused_item(TextureBrowserHideUnusedExport()),
-    m_showshaders_item(TextureBrowserShowShadersExport()),
-    m_showshaderlistonly_item(TextureBrowserShowShaderlistOnlyExport())
-  {
-  }
-};
+void TextureBrowser_fixedSize( const BoolImportCallback& importer ){
+       importer( g_TextureBrowser_fixedSize );
+}
+typedef FreeCaller1<const BoolImportCallback&, TextureBrowser_fixedSize> TextureBrowser_FixedSizeExport;
 
-TexturesMenu g_TexturesMenu;
+void TextureBrowser_filterMissing( const BoolImportCallback& importer ){
+       importer( g_TextureBrowser_filterMissing );
+}
+typedef FreeCaller1<const BoolImportCallback&, TextureBrowser_filterMissing> TextureBrowser_filterMissingExport;
 
-void TextureBrowser_SetHideUnused(TextureBrowser& textureBrowser, bool hideUnused)
-{
-  if(hideUnused)
-  {
-    textureBrowser.m_hideUnused = true;
-  }
-  else
-  {
-    textureBrowser.m_hideUnused = false;
-  }
+void TextureBrowser_filterFallback( const BoolImportCallback& importer ){
+       importer( g_TextureBrowser_filterFallback );
+}
+typedef FreeCaller1<const BoolImportCallback&, TextureBrowser_filterFallback> TextureBrowser_filterFallbackExport;
+
+void TextureBrowser_enableAlpha( const BoolImportCallback& importer ){
+       importer( g_TextureBrowser_enableAlpha );
+}
+typedef FreeCaller1<const BoolImportCallback&, TextureBrowser_enableAlpha> TextureBrowser_enableAlphaExport;
+
+void TextureBrowser_SetHideUnused( TextureBrowser& textureBrowser, bool hideUnused ){
+       if ( hideUnused ) {
+               textureBrowser.m_hideUnused = true;
+       }
+       else
+       {
+               textureBrowser.m_hideUnused = false;
+       }
 
-  g_TexturesMenu.m_hideunused_item.update();
+       textureBrowser.m_hideunused_item.update();
 
-  TextureBrowser_heightChanged(textureBrowser);
-  textureBrowser.m_originInvalid = true;
+       TextureBrowser_heightChanged( textureBrowser );
+       textureBrowser.m_originInvalid = true;
 }
 
-void TextureBrowser_ShowStartupShaders(TextureBrowser& textureBrowser)
-{
-  if(textureBrowser.m_startupShaders == STARTUPSHADERS_COMMON)
-  {
-    TextureBrowser_ShowDirectory(textureBrowser, TextureBrowser_getComonShadersDir());
-  }
-  else if(textureBrowser.m_startupShaders == STARTUPSHADERS_ALL)
-  {
-    for(TextureMenuNames::const_iterator i = texture_menunames.begin(); i != texture_menunames.end(); ++i)
-    {
-      TextureBrowser_ShowDirectory(textureBrowser, (*i).c_str());
-    }
-  }
+void TextureBrowser_ShowStartupShaders( TextureBrowser& textureBrowser ){
+       if ( textureBrowser.m_startupShaders == STARTUPSHADERS_COMMON ) {
+               TextureBrowser_ShowDirectory( textureBrowser, TextureBrowser_getComonShadersDir() );
+       }
 }
 
 
@@ -1009,678 +924,1685 @@ void TextureBrowser_ShowStartupShaders(TextureBrowser& textureBrowser)
 // it might need to be split in parts or moved out .. dunno
 // scroll origin so the specified texture is completely on screen
 // if current texture is not displayed, nothing is changed
-void TextureBrowser_Focus(TextureBrowser& textureBrowser, const char* name)
-{
-  TextureLayout layout;
-  // scroll origin so the texture is completely on screen
-  Texture_StartPos(layout);
-  
-  for(QERApp_ActiveShaders_IteratorBegin(); !QERApp_ActiveShaders_IteratorAtEnd(); QERApp_ActiveShaders_IteratorIncrement())
-  {
-    IShader* shader = QERApp_ActiveShaders_IteratorCurrent();
-
-    if(!Texture_IsShown(shader, textureBrowser.m_showShaders, textureBrowser.m_hideUnused, TextureBrowser_getFilter(textureBrowser)))
-      continue;
-
-    int x, y;
-    Texture_NextPos(textureBrowser, layout, shader->getTexture(), &x, &y);
-    qtexture_t* q = shader->getTexture();
-    if (!q)
-      break;
-
-    // we have found when texdef->name and the shader name match
-    // NOTE: as everywhere else for our comparisons, we are not case sensitive
-    if (shader_equal(name, shader->getName()))
-    {
-      int textureHeight = (int)(q->height * ((float)textureBrowser.m_textureScale / 100))
-        + 2 * TextureBrowser_fontHeight(textureBrowser);
-
-      int originy = TextureBrowser_getOriginY(textureBrowser);
-      if (y > originy)
-      {
-        originy = y;
-      }
-
-      if (y - textureHeight < originy - textureBrowser.height)
-      {
-        originy = (y - textureHeight) + textureBrowser.height;
-      }
-
-      TextureBrowser_setOriginY(textureBrowser, originy);
-      return;
-    }
-  }
-}
-
-IShader* Texture_At(TextureBrowser& textureBrowser, int mx, int my)
-{
-  my += TextureBrowser_getOriginY(textureBrowser) - textureBrowser.height;
+void TextureBrowser_Focus( TextureBrowser& textureBrowser, const char* name ){
+       TextureLayout layout;
+       // scroll origin so the texture is completely on screen
+       Texture_StartPos( layout );
+
+       for ( QERApp_ActiveShaders_IteratorBegin(); !QERApp_ActiveShaders_IteratorAtEnd(); QERApp_ActiveShaders_IteratorIncrement() )
+       {
+               IShader* shader = QERApp_ActiveShaders_IteratorCurrent();
+
+               if ( !Texture_IsShown( shader, textureBrowser.m_showShaders, textureBrowser.m_hideUnused ) ) {
+                       continue;
+               }
+
+               int x, y;
+               Texture_NextPos( textureBrowser, layout, shader->getTexture(), &x, &y );
+               qtexture_t* q = shader->getTexture();
+               if ( !q ) {
+                       break;
+               }
+
+               // we have found when texdef->name and the shader name match
+               // NOTE: as everywhere else for our comparisons, we are not case sensitive
+               if ( shader_equal( name, shader->getName() ) ) {
+                       int textureHeight = (int)( q->height * ( (float)textureBrowser.m_textureScale / 100 ) )
+                                                               + 2 * TextureBrowser_fontHeight( textureBrowser );
+
+                       int originy = TextureBrowser_getOriginY( textureBrowser );
+                       if ( y > originy ) {
+                               originy = y;
+                       }
+
+                       if ( y - textureHeight < originy - textureBrowser.height ) {
+                               originy = ( y - textureHeight ) + textureBrowser.height;
+                       }
+
+                       TextureBrowser_setOriginY( textureBrowser, originy );
+                       return;
+               }
+       }
+}
+
+IShader* Texture_At( TextureBrowser& textureBrowser, int mx, int my ){
+       my += TextureBrowser_getOriginY( textureBrowser ) - textureBrowser.height;
+
+       TextureLayout layout;
+       Texture_StartPos( layout );
+       for ( QERApp_ActiveShaders_IteratorBegin(); !QERApp_ActiveShaders_IteratorAtEnd(); QERApp_ActiveShaders_IteratorIncrement() )
+       {
+               IShader* shader = QERApp_ActiveShaders_IteratorCurrent();
+
+               if ( !Texture_IsShown( shader, textureBrowser.m_showShaders, textureBrowser.m_hideUnused ) ) {
+                       continue;
+               }
+
+               int x, y;
+               Texture_NextPos( textureBrowser, layout, shader->getTexture(), &x, &y );
+               qtexture_t  *q = shader->getTexture();
+               if ( !q ) {
+                       break;
+               }
+
+               int nWidth = textureBrowser.getTextureWidth( q );
+               int nHeight = textureBrowser.getTextureHeight( q );
+               if ( mx > x && mx - x < nWidth
+                        && my < y && y - my < nHeight + TextureBrowser_fontHeight( textureBrowser ) ) {
+                       return shader;
+               }
+       }
+
+       return 0;
+}
+
+/*
+   ==============
+   SelectTexture
+
+   By mouse click
+   ==============
+ */
+void SelectTexture( TextureBrowser& textureBrowser, int mx, int my, bool bShift ){
+       IShader* shader = Texture_At( textureBrowser, mx, my );
+       if ( shader != 0 ) {
+               if ( bShift ) {
+                       if ( shader->IsDefault() ) {
+                               globalOutputStream() << "ERROR: " << shader->getName() << " is not a shader, it's a texture.\n";
+                       }
+                       else{
+                               ViewShader( shader->getShaderFileName(), shader->getName() );
+                       }
+               }
+               else
+               {
+                       TextureBrowser_SetSelectedShader( textureBrowser, shader->getName() );
+                       TextureBrowser_textureSelected( shader->getName() );
+
+                       if ( !FindTextureDialog_isOpen() && !textureBrowser.m_rmbSelected ) {
+                               UndoableCommand undo( "textureNameSetSelected" );
+                               Select_SetShader( shader->getName() );
+                       }
+               }
+       }
+}
+
+/*
+   ============================================================================
 
-  TextureLayout layout;
-  Texture_StartPos(layout);
-  for(QERApp_ActiveShaders_IteratorBegin(); !QERApp_ActiveShaders_IteratorAtEnd(); QERApp_ActiveShaders_IteratorIncrement())
-  {
-    IShader* shader = QERApp_ActiveShaders_IteratorCurrent();
+   MOUSE ACTIONS
 
-    if(!Texture_IsShown(shader, textureBrowser.m_showShaders, textureBrowser.m_hideUnused, TextureBrowser_getFilter(textureBrowser)))
-      continue;
+   ============================================================================
+ */
 
-    int   x, y;
-    Texture_NextPos(textureBrowser, layout, shader->getTexture(), &x, &y);
-    qtexture_t  *q = shader->getTexture();
-    if (!q)
-      break;
+void TextureBrowser_trackingDelta( int x, int y, unsigned int state, void* data ){
+       TextureBrowser& textureBrowser = *reinterpret_cast<TextureBrowser*>( data );
+       if ( y != 0 ) {
+               int scale = 1;
 
-    int nWidth = (int)(q->width * ((float)textureBrowser.m_textureScale / 100));
-    int nHeight = (int)(q->height * ((float)textureBrowser.m_textureScale / 100));
-    if (mx > x && mx - x < nWidth
-      && my < y && y - my < nHeight + TextureBrowser_fontHeight(textureBrowser))
-    {
-      return shader;
-    }
-  }
+               if ( state & GDK_SHIFT_MASK ) {
+                       scale = 4;
+               }
 
-  return 0;
+               int originy = TextureBrowser_getOriginY( textureBrowser );
+               originy += y * scale;
+               TextureBrowser_setOriginY( textureBrowser, originy );
+       }
 }
 
-/*
-==============
-SelectTexture
+void TextureBrowser_Tracking_MouseDown( TextureBrowser& textureBrowser ){
+       textureBrowser.m_freezePointer.freeze_pointer( textureBrowser.m_parent, TextureBrowser_trackingDelta, &textureBrowser );
+}
 
-  By mouse click
-==============
-*/
-void SelectTexture(TextureBrowser& textureBrowser, int mx, int my, bool bShift)
-{
-  IShader* shader = Texture_At(textureBrowser, mx, my);
-  if(shader != 0)
-  {
-    if (bShift)
-    {
-      if (shader->IsDefault())
-        globalOutputStream() << "ERROR: " << shader->getName() << " is not a shader, it's a texture.\n";
-      else
-        ViewShader( shader->getShaderFileName(), shader->getName() );
-    }
-    else
-    {
-      TextureBrowser_SetSelectedShader(textureBrowser, shader->getName());
-      TextureBrowser_textureSelected(shader->getName());
-
-      if (!FindTextureDialog_isOpen())
-      {
-        UndoableCommand undo("textureNameSetSelected");
-        Select_SetShader(shader->getName());
-      }
-    }
-  }
+void TextureBrowser_Tracking_MouseUp( TextureBrowser& textureBrowser ){
+       textureBrowser.m_freezePointer.unfreeze_pointer( textureBrowser.m_parent );
+}
+
+void TextureBrowser_Selection_MouseDown( TextureBrowser& textureBrowser, guint32 flags, int pointx, int pointy ){
+       SelectTexture( textureBrowser, pointx, textureBrowser.height - 1 - pointy, ( flags & GDK_SHIFT_MASK ) != 0 );
 }
 
 /*
-============================================================================
+   ============================================================================
 
-  MOUSE ACTIONS
+   DRAWING
 
-============================================================================
-*/
+   ============================================================================
+ */
 
-void TextureBrowser_trackingDelta(int x, int y, unsigned int state, void* data)
-{
-  TextureBrowser& textureBrowser = *reinterpret_cast<TextureBrowser*>(data);
-  if(y != 0)
-  {
-    int scale = 1;
+/*
+   ============
+   Texture_Draw
+   TTimo: relying on the shaders list to display the textures
+   we must query all qtexture_t* to manage and display through the IShaders interface
+   this allows a plugin to completely override the texture system
+   ============
+ */
+void Texture_Draw( TextureBrowser& textureBrowser ){
+       int originy = TextureBrowser_getOriginY( textureBrowser );
+
+       glClearColor( textureBrowser.color_textureback[0],
+                                 textureBrowser.color_textureback[1],
+                                 textureBrowser.color_textureback[2],
+                                 0 );
+       glViewport( 0, 0, textureBrowser.width, textureBrowser.height );
+       glMatrixMode( GL_PROJECTION );
+       glLoadIdentity();
+
+       glClear( GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT );
+       glDisable( GL_DEPTH_TEST );
+       if ( g_TextureBrowser_enableAlpha ) {
+               glEnable( GL_BLEND );
+               glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
+       }
+       else {
+               glDisable( GL_BLEND );
+       }
+       glOrtho( 0, textureBrowser.width, originy - textureBrowser.height, originy, -100, 100 );
+       glEnable( GL_TEXTURE_2D );
+
+       glPolygonMode( GL_FRONT_AND_BACK, GL_FILL );
+
+       int last_y = 0, last_height = 0;
+
+       TextureLayout layout;
+       Texture_StartPos( layout );
+       for ( QERApp_ActiveShaders_IteratorBegin(); !QERApp_ActiveShaders_IteratorAtEnd(); QERApp_ActiveShaders_IteratorIncrement() )
+       {
+               IShader* shader = QERApp_ActiveShaders_IteratorCurrent();
+
+               if ( !Texture_IsShown( shader, textureBrowser.m_showShaders, textureBrowser.m_hideUnused ) ) {
+                       continue;
+               }
+
+               int x, y;
+               Texture_NextPos( textureBrowser, layout, shader->getTexture(), &x, &y );
+               qtexture_t *q = shader->getTexture();
+               if ( !q ) {
+                       break;
+               }
+
+               int nWidth = textureBrowser.getTextureWidth( q );
+               int nHeight = textureBrowser.getTextureHeight( q );
+
+               if ( y != last_y ) {
+                       last_y = y;
+                       last_height = 0;
+               }
+               last_height = std::max( nHeight, last_height );
+
+               // Is this texture visible?
+               if ( ( y - nHeight - TextureBrowser_fontHeight( textureBrowser ) < originy )
+                        && ( y > originy - textureBrowser.height ) ) {
+                       // borders rules:
+                       // if it's the current texture, draw a thick red line, else:
+                       // shaders have a white border, simple textures don't
+                       // if !texture_showinuse: (some textures displayed may not be in use)
+                       // draw an additional square around with 0.5 1 0.5 color
+                       if ( shader_equal( TextureBrowser_GetSelectedShader( textureBrowser ), shader->getName() ) ) {
+                               glLineWidth( 3 );
+                               if ( textureBrowser.m_rmbSelected ) {
+                                       glColor3f( 0,0,1 );
+                               }
+                               else {
+                                       glColor3f( 1,0,0 );
+                               }
+                               glDisable( GL_TEXTURE_2D );
+
+                               glBegin( GL_LINE_LOOP );
+                               glVertex2i( x - 4,y - TextureBrowser_fontHeight( textureBrowser ) + 4 );
+                               glVertex2i( x - 4,y - TextureBrowser_fontHeight( textureBrowser ) - nHeight - 4 );
+                               glVertex2i( x + 4 + nWidth,y - TextureBrowser_fontHeight( textureBrowser ) - nHeight - 4 );
+                               glVertex2i( x + 4 + nWidth,y - TextureBrowser_fontHeight( textureBrowser ) + 4 );
+                               glEnd();
+
+                               glEnable( GL_TEXTURE_2D );
+                               glLineWidth( 1 );
+                       }
+                       else
+                       {
+                               glLineWidth( 1 );
+                               // shader border:
+                               if ( !shader->IsDefault() ) {
+                                       glColor3f( 1,1,1 );
+                                       glDisable( GL_TEXTURE_2D );
+
+                                       glBegin( GL_LINE_LOOP );
+                                       glVertex2i( x - 1,y + 1 - TextureBrowser_fontHeight( textureBrowser ) );
+                                       glVertex2i( x - 1,y - nHeight - 1 - TextureBrowser_fontHeight( textureBrowser ) );
+                                       glVertex2i( x + 1 + nWidth,y - nHeight - 1 - TextureBrowser_fontHeight( textureBrowser ) );
+                                       glVertex2i( x + 1 + nWidth,y + 1 - TextureBrowser_fontHeight( textureBrowser ) );
+                                       glEnd();
+                                       glEnable( GL_TEXTURE_2D );
+                               }
+
+                               // highlight in-use textures
+                               if ( !textureBrowser.m_hideUnused && shader->IsInUse() ) {
+                                       glColor3f( 0.5,1,0.5 );
+                                       glDisable( GL_TEXTURE_2D );
+                                       glBegin( GL_LINE_LOOP );
+                                       glVertex2i( x - 3,y + 3 - TextureBrowser_fontHeight( textureBrowser ) );
+                                       glVertex2i( x - 3,y - nHeight - 3 - TextureBrowser_fontHeight( textureBrowser ) );
+                                       glVertex2i( x + 3 + nWidth,y - nHeight - 3 - TextureBrowser_fontHeight( textureBrowser ) );
+                                       glVertex2i( x + 3 + nWidth,y + 3 - TextureBrowser_fontHeight( textureBrowser ) );
+                                       glEnd();
+                                       glEnable( GL_TEXTURE_2D );
+                               }
+                       }
+
+                       // draw checkerboard for transparent textures
+                       if ( g_TextureBrowser_enableAlpha )
+                       {
+                               glDisable( GL_TEXTURE_2D );
+                               glBegin( GL_QUADS );
+                               int font_height = TextureBrowser_fontHeight( textureBrowser );
+                               for ( int i = 0; i < nHeight; i += 8 )
+                                       for ( int j = 0; j < nWidth; j += 8 )
+                                       {
+                                               unsigned char color = (i + j) / 8 % 2 ? 0x66 : 0x99;
+                                               glColor3ub( color, color, color );
+                                               int left = j;
+                                               int right = std::min(j+8, nWidth);
+                                               int top = i;
+                                               int bottom = std::min(i+8, nHeight);
+                                               glVertex2i(x + right, y - nHeight - font_height + top);
+                                               glVertex2i(x + left,  y - nHeight - font_height + top);
+                                               glVertex2i(x + left,  y - nHeight - font_height + bottom);
+                                               glVertex2i(x + right, y - nHeight - font_height + bottom);
+                                       }
+                               glEnd();
+                               glEnable( GL_TEXTURE_2D );
+                       }
+
+                       // Draw the texture
+                       glBindTexture( GL_TEXTURE_2D, q->texture_number );
+                       GlobalOpenGL_debugAssertNoErrors();
+                       glColor3f( 1,1,1 );
+                       glBegin( GL_QUADS );
+                       glTexCoord2i( 0,0 );
+                       glVertex2i( x,y - TextureBrowser_fontHeight( textureBrowser ) );
+                       glTexCoord2i( 1,0 );
+                       glVertex2i( x + nWidth,y - TextureBrowser_fontHeight( textureBrowser ) );
+                       glTexCoord2i( 1,1 );
+                       glVertex2i( x + nWidth,y - TextureBrowser_fontHeight( textureBrowser ) - nHeight );
+                       glTexCoord2i( 0,1 );
+                       glVertex2i( x,y - TextureBrowser_fontHeight( textureBrowser ) - nHeight );
+                       glEnd();
+
+                       // draw the texture name
+                       glDisable( GL_TEXTURE_2D );
+                       glColor3f( 1,1,1 );
+
+                       glRasterPos2i( x, y - TextureBrowser_fontHeight( textureBrowser ) + 5 );
+
+                       // don't draw the directory name
+                       const char* name = shader->getName();
+                       name += strlen( name );
+                       while ( name != shader->getName() && *( name - 1 ) != '/' && *( name - 1 ) != '\\' )
+                               name--;
+
+                       GlobalOpenGL().drawString( name );
+                       glEnable( GL_TEXTURE_2D );
+               }
+
+               //int totalHeight = abs(y) + last_height + TextureBrowser_fontHeight(textureBrowser) + 4;
+       }
 
-    if(state & GDK_SHIFT_MASK)
-      scale = 4;
 
-    int originy = TextureBrowser_getOriginY(textureBrowser);
-    originy += y * scale;
-    TextureBrowser_setOriginY(textureBrowser, originy);
-  }
+       // reset the current texture
+       glBindTexture( GL_TEXTURE_2D, 0 );
+       //qglFinish();
 }
 
-void TextureBrowser_Tracking_MouseDown(TextureBrowser& textureBrowser)
-{
-  textureBrowser.m_freezePointer.freeze_pointer(textureBrowser.m_parent, TextureBrowser_trackingDelta, &textureBrowser);
+void TextureBrowser_queueDraw( TextureBrowser& textureBrowser ){
+       if ( textureBrowser.m_gl_widget ) {
+               gtk_widget_queue_draw( textureBrowser.m_gl_widget );
+       }
 }
 
-void TextureBrowser_Tracking_MouseUp(TextureBrowser& textureBrowser)
-{
-  textureBrowser.m_freezePointer.unfreeze_pointer(textureBrowser.m_parent);
+
+void TextureBrowser_setScale( TextureBrowser& textureBrowser, std::size_t scale ){
+       textureBrowser.m_textureScale = scale;
+
+       TextureBrowser_queueDraw( textureBrowser );
 }
 
-void TextureBrowser_Selection_MouseDown(TextureBrowser& textureBrowser, guint32 flags, int pointx, int pointy)
-{
-  SelectTexture(textureBrowser, pointx, textureBrowser.height - 1 - pointy, (flags & GDK_SHIFT_MASK) != 0);
+void TextureBrowser_setUniformSize( TextureBrowser& textureBrowser, std::size_t scale ){
+       textureBrowser.m_uniformTextureSize = scale;
+
+       TextureBrowser_queueDraw( textureBrowser );
 }
 
-/*
-============================================================================
 
-DRAWING
+void TextureBrowser_MouseWheel( TextureBrowser& textureBrowser, bool bUp ){
+       int originy = TextureBrowser_getOriginY( textureBrowser );
 
-============================================================================
-*/
+       if ( bUp ) {
+               originy += int(textureBrowser.m_mouseWheelScrollIncrement);
+       }
+       else
+       {
+               originy -= int(textureBrowser.m_mouseWheelScrollIncrement);
+       }
 
-/*
-============
-Texture_Draw
-TTimo: relying on the shaders list to display the textures
-we must query all qtexture_t* to manage and display through the IShaders interface
-this allows a plugin to completely override the texture system
-============
-*/
-void Texture_Draw(TextureBrowser& textureBrowser)
-{
-  int originy = TextureBrowser_getOriginY(textureBrowser);
-
-  glClearColor(textureBrowser.color_textureback[0],
-    textureBrowser.color_textureback[1],
-    textureBrowser.color_textureback[2],
-    0);
-  glViewport(0, 0, textureBrowser.width, textureBrowser.height);
-  glMatrixMode(GL_PROJECTION);
-  glLoadIdentity();
-
-  glClear (GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
-  glDisable (GL_DEPTH_TEST);
-  glDisable(GL_BLEND);
-  glOrtho (0, textureBrowser.width, originy-textureBrowser.height, originy, -100, 100);
-  glEnable (GL_TEXTURE_2D);
-
-  glPolygonMode (GL_FRONT_AND_BACK, GL_FILL);
-
-  int last_y = 0, last_height = 0;
-
-  TextureLayout layout;
-  Texture_StartPos(layout);
-  for(QERApp_ActiveShaders_IteratorBegin(); !QERApp_ActiveShaders_IteratorAtEnd(); QERApp_ActiveShaders_IteratorIncrement())
-  {
-    IShader* shader = QERApp_ActiveShaders_IteratorCurrent();
-
-    if(!Texture_IsShown(shader, textureBrowser.m_showShaders, textureBrowser.m_hideUnused, TextureBrowser_getFilter(textureBrowser)))
-      continue;
-
-    int x, y;
-    Texture_NextPos(textureBrowser, layout, shader->getTexture(), &x, &y);
-    qtexture_t *q = shader->getTexture();
-    if (!q)
-      break;
-
-    int nWidth = (int)(q->width * ((float)textureBrowser.m_textureScale / 100));
-    int nHeight = (int)(q->height * ((float)textureBrowser.m_textureScale / 100));
-
-    if (y != last_y)
-    {
-      last_y = y;
-      last_height = 0;
-    }
-    last_height = std::max (nHeight, last_height);
-
-    // Is this texture visible?
-    if ((y-nHeight-TextureBrowser_fontHeight(textureBrowser) < originy)
-        && (y > originy - textureBrowser.height))
-    {
-      // borders rules:
-      // if it's the current texture, draw a thick red line, else:
-      // shaders have a white border, simple textures don't
-      // if !texture_showinuse: (some textures displayed may not be in use)
-      // draw an additional square around with 0.5 1 0.5 color
-      if (shader_equal(TextureBrowser_GetSelectedShader(textureBrowser), shader->getName()))
-      {
-             glLineWidth (3);
-             glColor3f (1,0,0);
-             glDisable (GL_TEXTURE_2D);
-
-             glBegin (GL_LINE_LOOP);
-             glVertex2i (x-4,y-TextureBrowser_fontHeight(textureBrowser)+4);
-             glVertex2i (x-4,y-TextureBrowser_fontHeight(textureBrowser)-nHeight-4);
-             glVertex2i (x+4+nWidth,y-TextureBrowser_fontHeight(textureBrowser)-nHeight-4);
-             glVertex2i (x+4+nWidth,y-TextureBrowser_fontHeight(textureBrowser)+4);
-             glEnd();
-
-             glEnable (GL_TEXTURE_2D);
-             glLineWidth (1);
-      }
-      else
-      {
-             glLineWidth (1);
-             // shader border:
-             if (!shader->IsDefault())
-             {
-               glColor3f (1,1,1);
-               glDisable (GL_TEXTURE_2D);
-
-               glBegin (GL_LINE_LOOP);
-               glVertex2i (x-1,y+1-TextureBrowser_fontHeight(textureBrowser));
-               glVertex2i (x-1,y-nHeight-1-TextureBrowser_fontHeight(textureBrowser));
-               glVertex2i (x+1+nWidth,y-nHeight-1-TextureBrowser_fontHeight(textureBrowser));
-               glVertex2i (x+1+nWidth,y+1-TextureBrowser_fontHeight(textureBrowser));
-               glEnd();
-               glEnable (GL_TEXTURE_2D);
-             }
-
-             // highlight in-use textures
-             if (!textureBrowser.m_hideUnused && shader->IsInUse())
-             {
-               glColor3f (0.5,1,0.5);
-               glDisable (GL_TEXTURE_2D);
-               glBegin (GL_LINE_LOOP);
-               glVertex2i (x-3,y+3-TextureBrowser_fontHeight(textureBrowser));
-               glVertex2i (x-3,y-nHeight-3-TextureBrowser_fontHeight(textureBrowser));
-               glVertex2i (x+3+nWidth,y-nHeight-3-TextureBrowser_fontHeight(textureBrowser));
-               glVertex2i (x+3+nWidth,y+3-TextureBrowser_fontHeight(textureBrowser));
-               glEnd();
-               glEnable (GL_TEXTURE_2D);
-             }
-      }
-
-      // Draw the texture
-      glBindTexture (GL_TEXTURE_2D, q->texture_number);
-      GlobalOpenGL_debugAssertNoErrors();
-      glColor3f (1,1,1);
-      glBegin (GL_QUADS);
-      glTexCoord2i (0,0);
-      glVertex2i (x,y-TextureBrowser_fontHeight(textureBrowser));
-      glTexCoord2i (1,0);
-      glVertex2i (x+nWidth,y-TextureBrowser_fontHeight(textureBrowser));
-      glTexCoord2i (1,1);
-      glVertex2i (x+nWidth,y-TextureBrowser_fontHeight(textureBrowser)-nHeight);
-      glTexCoord2i (0,1);
-      glVertex2i (x,y-TextureBrowser_fontHeight(textureBrowser)-nHeight);
-      glEnd();
-
-      // draw the texture name
-      glDisable (GL_TEXTURE_2D);
-      glColor3f (1,1,1);
-
-      glRasterPos2i (x, y-TextureBrowser_fontHeight(textureBrowser)+2);
-
-      // don't draw the directory name
-      const char* name = shader->getName();
-      name += strlen(name);
-      while(name != shader->getName() && *(name-1) != '/' && *(name-1) != '\\')
-        name--;
-
-      GlobalOpenGL().drawString(name);
-      glEnable (GL_TEXTURE_2D);
-    }
-
-    //int totalHeight = abs(y) + last_height + TextureBrowser_fontHeight(textureBrowser) + 4;
-  }
-
-
-  // reset the current texture
-  glBindTexture(GL_TEXTURE_2D, 0);
-  //qglFinish();
-}
-
-void TextureBrowser_queueDraw(TextureBrowser& textureBrowser)
-{
-  if(textureBrowser.m_gl_widget != 0)
-  {
-    gtk_widget_queue_draw(textureBrowser.m_gl_widget);
-  }
+       TextureBrowser_setOriginY( textureBrowser, originy );
 }
 
+XmlTagBuilder TagBuilder;
 
-void TextureBrowser_setScale(TextureBrowser& textureBrowser, std::size_t scale)
+enum
 {
-  textureBrowser.m_textureScale = scale;
+       TAG_COLUMN,
+       N_COLUMNS
+};
+
+void BuildStoreAssignedTags( ui::ListStore store, const char* shader, TextureBrowser* textureBrowser ){
+       GtkTreeIter iter;
+
+       store.clear();
 
-  TextureBrowser_queueDraw(textureBrowser);
+       std::vector<CopiedString> assigned_tags;
+       TagBuilder.GetShaderTags( shader, assigned_tags );
+
+       for ( size_t i = 0; i < assigned_tags.size(); i++ )
+       {
+               store.append(TAG_COLUMN, assigned_tags[i].c_str());
+       }
 }
 
+void BuildStoreAvailableTags(   ui::ListStore storeAvailable,
+                                                               ui::ListStore storeAssigned,
+                                                               const std::set<CopiedString>& allTags,
+                                                               TextureBrowser* textureBrowser ){
+       GtkTreeIter iterAssigned;
+       GtkTreeIter iterAvailable;
+       std::set<CopiedString>::const_iterator iterAll;
+       gchar* tag_assigned;
 
-void TextureBrowser_MouseWheel(TextureBrowser& textureBrowser, bool bUp)
-{
-  int originy = TextureBrowser_getOriginY(textureBrowser);
+       storeAvailable.clear();
 
-  if (bUp)
-  {
-    originy += int(textureBrowser.m_mouseWheelScrollIncrement);
-  }
-  else
-  {
-    originy -= int(textureBrowser.m_mouseWheelScrollIncrement);
-  }
+       bool row = gtk_tree_model_get_iter_first( GTK_TREE_MODEL( storeAssigned ), &iterAssigned ) != 0;
 
-  TextureBrowser_setOriginY(textureBrowser, originy);
+       if ( !row ) { // does the shader have tags assigned?
+               for ( iterAll = allTags.begin(); iterAll != allTags.end(); ++iterAll )
+               {
+                       storeAvailable.append(TAG_COLUMN, (*iterAll).c_str());
+               }
+       }
+       else
+       {
+               while ( row ) // available tags = all tags - assigned tags
+               {
+                       gtk_tree_model_get( GTK_TREE_MODEL( storeAssigned ), &iterAssigned, TAG_COLUMN, &tag_assigned, -1 );
+
+                       for ( iterAll = allTags.begin(); iterAll != allTags.end(); ++iterAll )
+                       {
+                               if ( strcmp( (char*)tag_assigned, ( *iterAll ).c_str() ) != 0 ) {
+                                       storeAvailable.append(TAG_COLUMN, (*iterAll).c_str());
+                               }
+                               else
+                               {
+                                       row = gtk_tree_model_iter_next( GTK_TREE_MODEL( storeAssigned ), &iterAssigned ) != 0;
+
+                                       if ( row ) {
+                                               gtk_tree_model_get( GTK_TREE_MODEL( storeAssigned ), &iterAssigned, TAG_COLUMN, &tag_assigned, -1 );
+                                       }
+                               }
+                       }
+               }
+       }
 }
 
+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 ) {
+                               textureBrowser->m_rmbSelected = true;
+                               TextureBrowser_Selection_MouseDown( *textureBrowser, event->state, static_cast<int>( event->x ), static_cast<int>( event->y ) );
+
+                               BuildStoreAssignedTags( textureBrowser->m_assigned_store, textureBrowser->shader.c_str(), textureBrowser );
+                               BuildStoreAvailableTags( textureBrowser->m_available_store, textureBrowser->m_assigned_store, textureBrowser->m_all_tags, textureBrowser );
+                               textureBrowser->m_heightChanged = true;
+                               textureBrowser->m_tag_frame.show();
+
+                ui::process();
+
+                               TextureBrowser_Focus( *textureBrowser, textureBrowser->shader.c_str() );
+                       }
+                       else
+                       {
+                               TextureBrowser_Tracking_MouseDown( *textureBrowser );
+                       }
+               }
+               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 ) {
+                               textureBrowser->m_rmbSelected = false;
+                               textureBrowser->m_tag_frame.hide();
+                       }
+               }
+       }
+       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 ) {
+                               TextureBrowser_Tracking_MouseUp( *textureBrowser );
+                       }
+               }
+       }
+       return FALSE;
+}
 
-gboolean TextureBrowser_button_press(GtkWidget* widget, GdkEventButton* event, TextureBrowser* textureBrowser)
-{
-  if(event->type == GDK_BUTTON_PRESS)
-  {
-    if(event->button == 3)
-    {
-      TextureBrowser_Tracking_MouseDown(*textureBrowser);
-    }
-    else if(event->button == 1)
-    {
-      TextureBrowser_Selection_MouseDown(*textureBrowser, event->state, static_cast<int>(event->x), static_cast<int>(event->y));
-    }
-  }
-  return FALSE;
-}
-
-gboolean TextureBrowser_button_release(GtkWidget* widget, GdkEventButton* event, TextureBrowser* textureBrowser)
-{
-  if(event->type == GDK_BUTTON_RELEASE)
-  {
-    if(event->button == 3)
-    {
-      TextureBrowser_Tracking_MouseUp(*textureBrowser);
-    }
-  }
-  return FALSE;
+gboolean TextureBrowser_motion( ui::Widget widget, GdkEventMotion *event, TextureBrowser* textureBrowser ){
+       return FALSE;
 }
 
-gboolean TextureBrowser_motion(GtkWidget *widget, GdkEventMotion *event, TextureBrowser* textureBrowser)
-{
-  return FALSE;
+gboolean TextureBrowser_scroll( ui::Widget widget, GdkEventScroll* event, TextureBrowser* textureBrowser ){
+       if ( event->direction == GDK_SCROLL_UP ) {
+               TextureBrowser_MouseWheel( *textureBrowser, true );
+       }
+       else if ( event->direction == GDK_SCROLL_DOWN ) {
+               TextureBrowser_MouseWheel( *textureBrowser, false );
+       }
+       return FALSE;
 }
 
-gboolean TextureBrowser_scroll(GtkWidget* widget, GdkEventScroll* event, TextureBrowser* textureBrowser)
-{
-  if(event->direction == GDK_SCROLL_UP)
-  {
-    TextureBrowser_MouseWheel(*textureBrowser, true);
-  }
-  else if(event->direction == GDK_SCROLL_DOWN)
-  {
-    TextureBrowser_MouseWheel(*textureBrowser, false);
-  }
-  return FALSE;
-}
-
-void TextureBrowser_scrollChanged(void* data, gdouble value)
-{
-  //globalOutputStream() << "vertical scroll\n";
-  TextureBrowser_setOriginY(*reinterpret_cast<TextureBrowser*>(data), -(int)value);
+void TextureBrowser_scrollChanged( void* data, gdouble value ){
+       //globalOutputStream() << "vertical scroll\n";
+       TextureBrowser_setOriginY( *reinterpret_cast<TextureBrowser*>( data ), -(int)value );
 }
 
-static void TextureBrowser_verticalScroll(GtkAdjustment *adjustment, TextureBrowser* textureBrowser)
-{
-  textureBrowser->m_scrollAdjustment.value_changed(adjustment->value);
+static void TextureBrowser_verticalScroll( GtkAdjustment *adjustment, TextureBrowser* textureBrowser ){
+       textureBrowser->m_scrollAdjustment.value_changed( gtk_adjustment_get_value(adjustment) );
 }
 
-void TextureBrowser_updateScroll(TextureBrowser& textureBrowser)
-{
-  if(textureBrowser.m_showTextureScrollbar)
-  {
-    int totalHeight = TextureBrowser_TotalHeight(textureBrowser);
+void TextureBrowser_updateScroll( TextureBrowser& textureBrowser ){
+       if ( textureBrowser.m_showTextureScrollbar ) {
+               int totalHeight = TextureBrowser_TotalHeight( textureBrowser );
 
-    totalHeight = std::max(totalHeight, textureBrowser.height);
+               totalHeight = std::max( totalHeight, textureBrowser.height );
 
-    GtkAdjustment *vadjustment = gtk_range_get_adjustment(GTK_RANGE(textureBrowser.m_texture_scroll));
+               GtkAdjustment *vadjustment = gtk_range_get_adjustment( GTK_RANGE( textureBrowser.m_texture_scroll ) );
 
-    vadjustment->value = -TextureBrowser_getOriginY(textureBrowser);
-    vadjustment->page_size = textureBrowser.height;
-    vadjustment->page_increment = textureBrowser.height/2;
-    vadjustment->step_increment = 20;
-    vadjustment->lower = 0;
-    vadjustment->upper = totalHeight;
+               gtk_adjustment_set_value(vadjustment, -TextureBrowser_getOriginY( textureBrowser ));
+               gtk_adjustment_set_page_size(vadjustment, textureBrowser.height);
+               gtk_adjustment_set_page_increment(vadjustment, textureBrowser.height / 2);
+               gtk_adjustment_set_step_increment(vadjustment, 20);
+               gtk_adjustment_set_lower(vadjustment, 0);
+               gtk_adjustment_set_upper(vadjustment, totalHeight);
 
-    g_signal_emit_by_name(G_OBJECT (vadjustment), "changed");
-  }
+               g_signal_emit_by_name( G_OBJECT( vadjustment ), "changed" );
+       }
 }
 
-gboolean TextureBrowser_size_allocate(GtkWidget* widget, GtkAllocation* allocation, TextureBrowser* textureBrowser)
-{
-  textureBrowser->width = allocation->width;
-  textureBrowser->height = allocation->height;
-  TextureBrowser_heightChanged(*textureBrowser);
-  textureBrowser->m_originInvalid = true;
-  TextureBrowser_queueDraw(*textureBrowser);
-  return FALSE;
+gboolean TextureBrowser_size_allocate( ui::Widget widget, GtkAllocation* allocation, TextureBrowser* textureBrowser ){
+       textureBrowser->width = allocation->width;
+       textureBrowser->height = allocation->height;
+       TextureBrowser_heightChanged( *textureBrowser );
+       textureBrowser->m_originInvalid = true;
+       TextureBrowser_queueDraw( *textureBrowser );
+       return FALSE;
 }
 
-gboolean TextureBrowser_expose(GtkWidget* widget, GdkEventExpose* event, TextureBrowser* textureBrowser)
-{
-  if(glwidget_make_current(textureBrowser->m_gl_widget) != FALSE)
-  {
-    GlobalOpenGL_debugAssertNoErrors();
-    TextureBrowser_evaluateHeight(*textureBrowser);
-    Texture_Draw(*textureBrowser);
-    GlobalOpenGL_debugAssertNoErrors();
-    glwidget_swap_buffers(textureBrowser->m_gl_widget);
-  }
-  return FALSE;
+gboolean TextureBrowser_expose( ui::Widget widget, GdkEventExpose* event, TextureBrowser* textureBrowser ){
+       if ( glwidget_make_current( textureBrowser->m_gl_widget ) != FALSE ) {
+               GlobalOpenGL_debugAssertNoErrors();
+               TextureBrowser_evaluateHeight( *textureBrowser );
+               Texture_Draw( *textureBrowser );
+               GlobalOpenGL_debugAssertNoErrors();
+               glwidget_swap_buffers( textureBrowser->m_gl_widget );
+       }
+       return FALSE;
 }
 
 
 TextureBrowser g_TextureBrowser;
 
-TextureBrowser& GlobalTextureBrowser()
-{
-  return g_TextureBrowser;
+TextureBrowser& GlobalTextureBrowser(){
+       return g_TextureBrowser;
 }
 
-bool TextureBrowser_hideUnused()
-{
-  return g_TextureBrowser.m_hideUnused;
+bool TextureBrowser_hideUnused(){
+       return g_TextureBrowser.m_hideUnused;
 }
 
-void TextureBrowser_ToggleHideUnused()
-{
-  if(g_TextureBrowser.m_hideUnused)
-  {
-    TextureBrowser_SetHideUnused(g_TextureBrowser, false);
-  }
-  else
-  {
-    TextureBrowser_SetHideUnused(g_TextureBrowser, true);
-  }
+void TextureBrowser_ToggleHideUnused(){
+       if ( g_TextureBrowser.m_hideUnused ) {
+               TextureBrowser_SetHideUnused( g_TextureBrowser, false );
+       }
+       else
+       {
+               TextureBrowser_SetHideUnused( g_TextureBrowser, true );
+       }
 }
 
-GtkWidget* TextureBrowser_constructWindow(GtkWindow* toplevel)
-{
-  GlobalShaderSystem().setActiveShadersChangedNotify(ReferenceCaller<TextureBrowser, TextureBrowser_activeShadersChanged>(g_TextureBrowser));
+void TextureGroups_constructTreeModel( TextureGroups groups, GtkTreeStore* store ){
+       // put the information from the old textures menu into a treeview
+       GtkTreeIter iter, child;
+
+       TextureGroups::const_iterator i = groups.begin();
+       while ( i != groups.end() )
+       {
+               const char* dirName = ( *i ).c_str();
+               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 ) ) {
+                       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 ) )
+                       {
+                               gtk_tree_store_append( store, &child, &iter );
+                               gtk_tree_store_set( store, &child, 0, ( *i ).c_str(), -1 );
+                               ++i;
+                       }
+               }
+               else
+               {
+                       gtk_tree_store_append( store, &iter, NULL );
+                       gtk_tree_store_set( store, &iter, 0, dirName, -1 );
+                       ++i;
+               }
+       }
+}
+
+TextureGroups TextureGroups_constructTreeView(){
+       TextureGroups groups;
+
+       if ( TextureBrowser_showWads() ) {
+               GlobalFileSystem().forEachArchive( TextureGroupsAddWadCaller( groups ) );
+       }
+       else
+       {
+               // scan texture dirs and pak files only if not restricting to shaderlist
+               if ( g_pGameDescription->mGameType != "doom3" && !g_TextureBrowser_shaderlistOnly ) {
+                       GlobalFileSystem().forEachDirectory( "textures/", TextureGroupsAddDirectoryCaller( groups ) );
+               }
+
+               GlobalShaderSystem().foreachShaderName( TextureGroupsAddShaderCaller( groups ) );
+       }
+
+       return groups;
+}
 
-  GtkWidget* hbox = gtk_hbox_new (FALSE, 0);
+void TextureBrowser_constructTreeStore(){
+       TextureGroups groups = TextureGroups_constructTreeView();
+       GtkTreeStore* store = gtk_tree_store_new( 1, G_TYPE_STRING );
+       TextureGroups_constructTreeModel( groups, store );
+       std::set<CopiedString>::iterator iter;
 
-  g_TextureBrowser.m_parent = toplevel;
+       GtkTreeModel* model = GTK_TREE_MODEL( store );
 
-  {
-         GtkWidget* w = gtk_vscrollbar_new (GTK_ADJUSTMENT (gtk_adjustment_new (0,0,0,1,1,1)));
-         gtk_widget_show (w);
-         gtk_box_pack_end (GTK_BOX (hbox), w, FALSE, TRUE, 0);
-         g_TextureBrowser.m_texture_scroll = w;
+       gtk_tree_view_set_model( GTK_TREE_VIEW( g_TextureBrowser.m_treeViewTree ), model );
 
-    GtkAdjustment *vadjustment = gtk_range_get_adjustment (GTK_RANGE (g_TextureBrowser.m_texture_scroll));
-    g_signal_connect(G_OBJECT(vadjustment), "value_changed", G_CALLBACK(TextureBrowser_verticalScroll), &g_TextureBrowser);
+       g_object_unref( G_OBJECT( store ) );
+}
+
+void TextureBrowser_constructTreeStoreTags(){
+       TextureGroups groups;
+       GtkTreeStore* store = gtk_tree_store_new( 1, G_TYPE_STRING );
+       GtkTreeModel* model = GTK_TREE_MODEL( g_TextureBrowser.m_all_tags_list );
 
-    widget_set_visible(g_TextureBrowser.m_texture_scroll, g_TextureBrowser.m_showTextureScrollbar);
-  }
-  {
-         GtkWidget* texbox = gtk_vbox_new (FALSE, 0);
-         gtk_widget_show(texbox);
-         gtk_box_pack_start(GTK_BOX(hbox), texbox, TRUE, TRUE, 0);
+       gtk_tree_view_set_model( GTK_TREE_VIEW( g_TextureBrowser.m_treeViewTags ), model );
 
-         {
-                 GtkEntry* entry = GTK_ENTRY(gtk_entry_new());
-                 gtk_box_pack_start(GTK_BOX(texbox), GTK_WIDGET(entry), FALSE, FALSE, 0);
+       g_object_unref( G_OBJECT( store ) );
+}
 
-                 g_TextureBrowser.m_filter = entry;
-      if(g_TextureBrowser.m_showTextureFilter)
-      {
-        gtk_widget_show(GTK_WIDGET(g_TextureBrowser.m_filter));
-      }
+void TreeView_onRowActivated( GtkTreeView* treeview, GtkTreePath* path, GtkTreeViewColumn* col, gpointer userdata ){
+       GtkTreeIter iter;
 
-      g_TextureBrowser.m_filterEntry.connect(entry);
-         }
+       GtkTreeModel* model = gtk_tree_view_get_model( GTK_TREE_VIEW( treeview ) );
 
-         {
-      g_TextureBrowser.m_gl_widget = glwidget_new(FALSE);
-      gtk_widget_ref(g_TextureBrowser.m_gl_widget);
+       if ( gtk_tree_model_get_iter( model, &iter, path ) ) {
+               gchar dirName[1024];
 
-      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_FLAGS(g_TextureBrowser.m_gl_widget, GTK_CAN_FOCUS);
+               gchar* buffer;
+               gtk_tree_model_get( model, &iter, 0, &buffer, -1 );
+               strcpy( dirName, buffer );
+               g_free( buffer );
 
-                 gtk_box_pack_start(GTK_BOX(texbox), g_TextureBrowser.m_gl_widget, TRUE, TRUE, 0);
-                 gtk_widget_show(g_TextureBrowser.m_gl_widget);
+               g_TextureBrowser.m_searchedTags = false;
 
-      g_TextureBrowser.m_sizeHandler = g_signal_connect(G_OBJECT(g_TextureBrowser.m_gl_widget), "size_allocate", G_CALLBACK(TextureBrowser_size_allocate), &g_TextureBrowser);
-      g_TextureBrowser.m_exposeHandler = g_signal_connect(G_OBJECT(g_TextureBrowser.m_gl_widget), "expose_event", G_CALLBACK(TextureBrowser_expose), &g_TextureBrowser);
+               if ( !TextureBrowser_showWads() ) {
+                       strcat( dirName, "/" );
+               }
 
-      g_signal_connect(G_OBJECT(g_TextureBrowser.m_gl_widget), "button_press_event", G_CALLBACK(TextureBrowser_button_press), &g_TextureBrowser);
-      g_signal_connect(G_OBJECT(g_TextureBrowser.m_gl_widget), "button_release_event", G_CALLBACK(TextureBrowser_button_release), &g_TextureBrowser);
-      g_signal_connect(G_OBJECT(g_TextureBrowser.m_gl_widget), "motion_notify_event", G_CALLBACK(TextureBrowser_motion), &g_TextureBrowser);
-      g_signal_connect(G_OBJECT(g_TextureBrowser.m_gl_widget), "scroll_event", G_CALLBACK(TextureBrowser_scroll), &g_TextureBrowser);
-         }
+               ScopeDisableScreenUpdates disableScreenUpdates( dirName, "Loading Textures" );
+               TextureBrowser_ShowDirectory( GlobalTextureBrowser(), dirName );
+               TextureBrowser_queueDraw( GlobalTextureBrowser() );
        }
-  TextureBrowser_updateScroll(g_TextureBrowser);
+}
 
-  gtk_container_set_focus_chain(GTK_CONTAINER(hbox), NULL);
+void TextureBrowser_createTreeViewTree(){
+       g_TextureBrowser.m_treeViewTree = ui::TreeView(ui::New);
+       gtk_tree_view_set_enable_search( GTK_TREE_VIEW( g_TextureBrowser.m_treeViewTree ), FALSE );
 
-  return hbox;
+       gtk_tree_view_set_headers_visible( GTK_TREE_VIEW( g_TextureBrowser.m_treeViewTree ), FALSE );
+       g_TextureBrowser.m_treeViewTree.connect( "row-activated", (GCallback) TreeView_onRowActivated, NULL );
+
+       auto renderer = ui::CellRendererText(ui::New);
+       gtk_tree_view_insert_column_with_attributes( GTK_TREE_VIEW( g_TextureBrowser.m_treeViewTree ), -1, "", renderer, "text", 0, NULL );
+
+       TextureBrowser_constructTreeStore();
 }
 
-void TextureBrowser_destroyWindow()
-{
-  GlobalShaderSystem().setActiveShadersChangedNotify(Callback());
+void TextureBrowser_addTag();
+void TextureBrowser_renameTag();
+void TextureBrowser_deleteTag();
+
+void TextureBrowser_createContextMenu( ui::Widget treeview, GdkEventButton *event ){
+       ui::Widget menu = ui::Menu(ui::New);
 
-  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);
+       ui::Widget menuitem = ui::MenuItem( "Add tag" );
+       menuitem.connect( "activate", (GCallback)TextureBrowser_addTag, treeview );
+       gtk_menu_shell_append( GTK_MENU_SHELL( menu ), menuitem );
 
-  gtk_widget_unref(g_TextureBrowser.m_gl_widget);
+       menuitem = ui::MenuItem( "Rename tag" );
+       menuitem.connect( "activate", (GCallback)TextureBrowser_renameTag, treeview );
+       gtk_menu_shell_append( GTK_MENU_SHELL( menu ), menuitem );
+
+       menuitem = ui::MenuItem( "Delete tag" );
+       menuitem.connect( "activate", (GCallback)TextureBrowser_deleteTag, treeview );
+       gtk_menu_shell_append( GTK_MENU_SHELL( menu ), menuitem );
+
+       gtk_widget_show_all( menu );
+
+       gtk_menu_popup( GTK_MENU( menu ), NULL, NULL, NULL, NULL,
+                                       ( event != NULL ) ? event->button : 0,
+                                       gdk_event_get_time( (GdkEvent*)event ) );
 }
 
-const Vector3& TextureBrowser_getBackgroundColour(TextureBrowser& textureBrowser)
-{
-  return textureBrowser.color_textureback;
+gboolean TreeViewTags_onButtonPressed( ui::Widget treeview, GdkEventButton *event ){
+       if ( event->type == GDK_BUTTON_PRESS && event->button == 3 ) {
+               GtkTreePath *path;
+               GtkTreeSelection* selection = gtk_tree_view_get_selection( GTK_TREE_VIEW( treeview ) );
+
+               if ( gtk_tree_view_get_path_at_pos( GTK_TREE_VIEW( treeview ), event->x, event->y, &path, NULL, NULL, NULL ) ) {
+                       gtk_tree_selection_unselect_all( selection );
+                       gtk_tree_selection_select_path( selection, path );
+                       gtk_tree_path_free( path );
+               }
+
+               TextureBrowser_createContextMenu( treeview, event );
+               return TRUE;
+       }
+       return FALSE;
 }
 
-void TextureBrowser_setBackgroundColour(TextureBrowser& textureBrowser, const Vector3& colour)
-{
-  textureBrowser.color_textureback = colour;
-  TextureBrowser_queueDraw(textureBrowser);
+void TextureBrowser_createTreeViewTags(){
+       g_TextureBrowser.m_treeViewTags = ui::TreeView(ui::New);
+       gtk_tree_view_set_enable_search( GTK_TREE_VIEW( g_TextureBrowser.m_treeViewTags ), FALSE );
+
+       g_TextureBrowser.m_treeViewTags.connect( "button-press-event", (GCallback)TreeViewTags_onButtonPressed, NULL );
+
+       gtk_tree_view_set_headers_visible( GTK_TREE_VIEW( g_TextureBrowser.m_treeViewTags ), FALSE );
+
+       auto renderer = ui::CellRendererText(ui::New);
+       gtk_tree_view_insert_column_with_attributes( GTK_TREE_VIEW( g_TextureBrowser.m_treeViewTags ), -1, "", renderer, "text", 0, NULL );
+
+       TextureBrowser_constructTreeStoreTags();
 }
 
+ui::MenuItem TextureBrowser_constructViewMenu( ui::Menu menu ){
+       ui::MenuItem textures_menu_item = ui::MenuItem(new_sub_menu_item_with_mnemonic( "_View" ));
 
-void TextureBrowser_ToggleShowShaders() 
-{
-  g_TextureBrowser.m_showShaders ^= 1;
-  g_TexturesMenu.m_showshaders_item.update();
-  TextureBrowser_queueDraw(g_TextureBrowser);
+       if ( g_Layout_enableDetachableMenus.m_value ) {
+               menu_tearoff( menu );
+       }
+
+       create_check_menu_item_with_mnemonic( menu, "Hide _Unused", "ShowInUse" );
+       if ( string_empty( g_pGameDescription->getKeyValue( "show_wads" ) ) ) {
+               create_check_menu_item_with_mnemonic( menu, "Hide Image Missing", "FilterMissing" );
+       }
+
+       // hide notex and shadernotex on texture browser: no one wants to apply them
+       create_check_menu_item_with_mnemonic( menu, "Hide Fallback", "FilterFallback" );
+
+       menu_separator( menu );
+
+       create_menu_item_with_mnemonic( menu, "Show All", "ShowAllTextures" );
+
+       // 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;
+       }
+       else
+       {
+               create_check_menu_item_with_mnemonic( menu, "Show shaders", "ToggleShowShaders" );
+       }
+
+       if ( g_pGameDescription->mGameType != "doom3" && string_empty( g_pGameDescription->getKeyValue( "show_wads" ) ) ) {
+               create_check_menu_item_with_mnemonic( menu, "Shaders Only", "ToggleShowShaderlistOnly" );
+       }
+       if ( g_TextureBrowser.m_tags ) {
+               create_menu_item_with_mnemonic( menu, "Show Untagged", "ShowUntagged" );
+       }
+
+       menu_separator( menu );
+       create_check_menu_item_with_mnemonic( menu, "Fixed Size", "FixedSize" );
+       create_check_menu_item_with_mnemonic( menu, "Transparency", "EnableAlpha" );
+
+       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 );
+       }
+
+
+       return textures_menu_item;
 }
 
-void TextureBrowser_ToggleShowShaderListOnly() 
-{
-  g_TexturesMenu_shaderlistOnly ^= 1;
-  g_TexturesMenu.m_showshaderlistonly_item.update();
-  TextureGroupsMenu_Destroy();
-  TextureGroupsMenu_Construct();
+ui::MenuItem TextureBrowser_constructToolsMenu( ui::Menu menu ){
+       ui::MenuItem textures_menu_item = ui::MenuItem(new_sub_menu_item_with_mnemonic( "_Tools" ));
+
+       if ( g_Layout_enableDetachableMenus.m_value ) {
+               menu_tearoff( menu );
+       }
+
+       create_menu_item_with_mnemonic( menu, "Flush & Reload Shaders", "RefreshShaders" );
+       create_menu_item_with_mnemonic( menu, "Find / Replace...", "FindReplaceTextures" );
+
+       return textures_menu_item;
 }
 
-void TextureBrowser_showAll()
-{
-  g_TextureBrowser_currentDirectory = "";
-  TextureBrowser_heightChanged(g_TextureBrowser);
-  TextureBrowser_updateTitle();
+ui::MenuItem TextureBrowser_constructTagsMenu( ui::Menu menu ){
+       ui::MenuItem textures_menu_item = ui::MenuItem(new_sub_menu_item_with_mnemonic( "T_ags" ));
+
+       if ( g_Layout_enableDetachableMenus.m_value ) {
+               menu_tearoff( menu );
+       }
+
+       create_menu_item_with_mnemonic( menu, "Add tag", "AddTag" );
+       create_menu_item_with_mnemonic( menu, "Rename tag", "RenameTag" );
+       create_menu_item_with_mnemonic( menu, "Delete tag", "DeleteTag" );
+       menu_separator( menu );
+       create_menu_item_with_mnemonic( menu, "Copy tags from selected", "CopyTag" );
+       create_menu_item_with_mnemonic( menu, "Paste tags to selected", "PasteTag" );
+
+       return textures_menu_item;
 }
 
-void TextureBrowser_exportTitle(const StringImportCallback& importer)
-{
-  StringOutputStream buffer(64);
-  buffer << "Textures: ";
-  if(!string_empty(g_TextureBrowser_currentDirectory.c_str()))
-  {
-    buffer << g_TextureBrowser_currentDirectory.c_str();
-  }
-  else
-  {
-    buffer << "all";
-  }
-  importer(buffer.c_str());
+gboolean TextureBrowser_tagMoveHelper( GtkTreeModel* model, GtkTreePath* path, GtkTreeIter* iter, GSList** selected ){
+       g_assert( selected != NULL );
+
+       GtkTreeRowReference* rowref = gtk_tree_row_reference_new( model, path );
+       *selected = g_slist_append( *selected, rowref );
+
+       return FALSE;
 }
 
+void TextureBrowser_assignTags(){
+       GSList* selected = NULL;
+       GSList* node;
+       gchar* tag_assigned;
 
-void TextureScaleImport(TextureBrowser& textureBrowser, int value)
-{
-  switch(value)
-  {
-  case 0:
-    TextureBrowser_setScale(textureBrowser, 10);
-    break;
-  case 1:
-    TextureBrowser_setScale(textureBrowser, 25);
-    break;
-  case 2:
-    TextureBrowser_setScale(textureBrowser, 50);
-    break;
-  case 3:
-    TextureBrowser_setScale(textureBrowser, 100);
-    break;
-  case 4:
-    TextureBrowser_setScale(textureBrowser, 200);
-    break;
-  }
+       GtkTreeSelection* selection = gtk_tree_view_get_selection( GTK_TREE_VIEW( g_TextureBrowser.m_available_tree ) );
+
+       gtk_tree_selection_selected_foreach( selection, (GtkTreeSelectionForeachFunc)TextureBrowser_tagMoveHelper, &selected );
+
+       if ( selected != NULL ) {
+               for ( node = selected; node != NULL; node = node->next )
+               {
+                       GtkTreePath* path = gtk_tree_row_reference_get_path( (GtkTreeRowReference*)node->data );
+
+                       if ( path ) {
+                               GtkTreeIter iter;
+
+                               if ( gtk_tree_model_get_iter( GTK_TREE_MODEL( g_TextureBrowser.m_available_store ), &iter, path ) ) {
+                                       gtk_tree_model_get( GTK_TREE_MODEL( g_TextureBrowser.m_available_store ), &iter, TAG_COLUMN, &tag_assigned, -1 );
+                                       if ( !TagBuilder.CheckShaderTag( g_TextureBrowser.shader.c_str() ) ) {
+                                               // create a custom shader/texture entry
+                                               IShader* ishader = QERApp_Shader_ForName( g_TextureBrowser.shader.c_str() );
+                                               CopiedString filename = ishader->getShaderFileName();
+
+                                               if ( filename.empty() ) {
+                                                       // it's a texture
+                                                       TagBuilder.AddShaderNode( g_TextureBrowser.shader.c_str(), CUSTOM, TEXTURE );
+                                               }
+                                               else {
+                                                       // it's a shader
+                                                       TagBuilder.AddShaderNode( g_TextureBrowser.shader.c_str(), CUSTOM, SHADER );
+                                               }
+                                               ishader->DecRef();
+                                       }
+                                       TagBuilder.AddShaderTag( g_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);
+                               }
+                       }
+               }
+
+               g_slist_foreach( selected, (GFunc)gtk_tree_row_reference_free, NULL );
+
+               // Save changes
+               TagBuilder.SaveXmlDoc();
+       }
+       g_slist_free( selected );
+}
+
+void TextureBrowser_removeTags(){
+       GSList* selected = NULL;
+       GSList* node;
+       gchar* tag;
+
+       GtkTreeSelection* selection = gtk_tree_view_get_selection( GTK_TREE_VIEW( g_TextureBrowser.m_assigned_tree ) );
+
+       gtk_tree_selection_selected_foreach( selection, (GtkTreeSelectionForeachFunc)TextureBrowser_tagMoveHelper, &selected );
+
+       if ( selected != NULL ) {
+               for ( node = selected; node != NULL; node = node->next )
+               {
+                       GtkTreePath* path = gtk_tree_row_reference_get_path( (GtkTreeRowReference*)node->data );
+
+                       if ( path ) {
+                               GtkTreeIter iter;
+
+                               if ( gtk_tree_model_get_iter( GTK_TREE_MODEL( g_TextureBrowser.m_assigned_store ), &iter, path ) ) {
+                                       gtk_tree_model_get( GTK_TREE_MODEL( 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 );
+                               }
+                       }
+               }
+
+               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 );
+
+               // Save changes
+               TagBuilder.SaveXmlDoc();
+       }
+       g_slist_free( selected );
+}
+
+void TextureBrowser_buildTagList(){
+       g_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 )
+       {
+               g_TextureBrowser.m_all_tags_list.append(TAG_COLUMN, (*iter).c_str());
+       }
+}
+
+void TextureBrowser_searchTags(){
+       GSList* selected = NULL;
+       GSList* node;
+       gchar* tag;
+       char buffer[256];
+       char tags_searched[256];
+
+       GtkTreeSelection* selection = gtk_tree_view_get_selection( GTK_TREE_VIEW( g_TextureBrowser.m_treeViewTags ) );
+
+       gtk_tree_selection_selected_foreach( selection, (GtkTreeSelectionForeachFunc)TextureBrowser_tagMoveHelper, &selected );
+
+       if ( selected != NULL ) {
+               strcpy( buffer, "/root/*/*[tag='" );
+               strcpy( tags_searched, "[TAGS] " );
+
+               for ( node = selected; node != NULL; node = node->next )
+               {
+                       GtkTreePath* path = gtk_tree_row_reference_get_path( (GtkTreeRowReference*)node->data );
+
+                       if ( path ) {
+                               GtkTreeIter iter;
+
+                               if ( gtk_tree_model_get_iter( GTK_TREE_MODEL( g_TextureBrowser.m_all_tags_list ), &iter, path ) ) {
+                                       gtk_tree_model_get( GTK_TREE_MODEL( g_TextureBrowser.m_all_tags_list ), &iter, TAG_COLUMN, &tag, -1 );
+
+                                       strcat( buffer, tag );
+                                       strcat( tags_searched, tag );
+                                       if ( node != g_slist_last( node ) ) {
+                                               strcat( buffer, "' and tag='" );
+                                               strcat( tags_searched, ", " );
+                                       }
+                               }
+                       }
+               }
+
+               strcat( buffer, "']" );
+
+               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 );
+
+               if ( !g_TextureBrowser.m_found_shaders.empty() ) { // found something
+                       size_t shaders_found = g_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++ )
+                       {
+                               std::string path = ( *iter ).c_str();
+                               size_t pos = path.find_last_of( "/", path.size() );
+                               std::string name = path.substr( pos + 1, path.size() );
+                               path = path.substr( 0, pos + 1 );
+                               TextureDirectory_loadTexture( path.c_str(), name.c_str() );
+                       }
+               }
+               g_TextureBrowser.m_searchedTags = true;
+               g_TextureBrowser_currentDirectory = tags_searched;
+
+               g_TextureBrowser.m_nTotalHeight = 0;
+               TextureBrowser_setOriginY( g_TextureBrowser, 0 );
+               TextureBrowser_heightChanged( g_TextureBrowser );
+               TextureBrowser_updateTitle();
+       }
+       g_slist_free( selected );
+}
+
+void TextureBrowser_toggleSearchButton(){
+       gint page = gtk_notebook_get_current_page( GTK_NOTEBOOK( g_TextureBrowser.m_tag_notebook ) );
+
+       if ( page == 0 ) { // tag page
+               gtk_widget_show_all( g_TextureBrowser.m_search_button );
+       }
+       else {
+               g_TextureBrowser.m_search_button.hide();
+       }
+}
+
+void TextureBrowser_constructTagNotebook(){
+       g_TextureBrowser.m_tag_notebook = ui::Widget(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 );
+
+       g_TextureBrowser.m_tag_notebook.connect( "switch-page", G_CALLBACK( TextureBrowser_toggleSearchButton ), NULL );
+
+       gtk_widget_show_all( g_TextureBrowser.m_tag_notebook );
+}
+
+void TextureBrowser_constructSearchButton(){
+       ui::Widget image = ui::Widget(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);
+}
+
+void TextureBrowser_checkTagFile(){
+       const char SHADERTAG_FILE[] = "shadertags.xml";
+       CopiedString default_filename, rc_filename;
+       StringOutputStream stream( 256 );
+
+       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() );
+
+               if ( g_TextureBrowser.m_tags ) {
+                       globalOutputStream() << "Loading tag file " << rc_filename.c_str() << ".\n";
+               }
+       }
+       else
+       {
+               // load default tagfile
+               stream.clear();
+               stream << g_pGameDescription->mGameToolsPath.c_str();
+               stream << SHADERTAG_FILE;
+               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() );
+
+                       if ( g_TextureBrowser.m_tags ) {
+                               globalOutputStream() << "Loading default tag file " << default_filename.c_str() << ".\n";
+                       }
+               }
+               else
+               {
+                       globalErrorStream() << "Unable to find default tag file " << default_filename.c_str() << ". No tag support.\n";
+               }
+       }
+}
+
+void TextureBrowser_SetNotex(){
+       StringOutputStream name( 256 );
+       name << GlobalRadiant().getAppPath() << "bitmaps/" NOTEX_BASENAME ".png";
+       g_notex = name.c_str();
+
+       name = StringOutputStream(256);
+       name << GlobalRadiant().getAppPath() << "bitmaps/" SHADERNOTEX_BASENAME " .png";
+       g_shadernotex = name.c_str();
+}
+
+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_checkTagFile();
+       TextureBrowser_SetNotex();
+
+       GlobalShaderSystem().setActiveShadersChangedNotify( ReferenceCaller<TextureBrowser, TextureBrowser_activeShadersChanged>( g_TextureBrowser ) );
+
+       g_TextureBrowser.m_parent = toplevel;
+
+       ui::Widget table = ui::Table( 3, 3, FALSE );
+       ui::Widget frame_table{ui::null};
+       auto vbox = ui::VBox(FALSE, 0);
+       gtk_table_attach( GTK_TABLE( table ), vbox, 0, 1, 1, 3, GTK_FILL, GTK_FILL, 0, 0 );
+       vbox.show();
+
+       ui::Widget menu_bar{ui::null};
+
+       { // menu bar
+               menu_bar = ui::Widget(gtk_menu_bar_new());
+               auto menu_view = ui::Menu(ui::New);
+               auto view_item = TextureBrowser_constructViewMenu( menu_view );
+               gtk_menu_item_set_submenu( GTK_MENU_ITEM( view_item ), menu_view );
+               gtk_menu_shell_append( GTK_MENU_SHELL( menu_bar ), view_item );
+
+               auto menu_tools = ui::Menu(ui::New);
+               auto tools_item = TextureBrowser_constructToolsMenu( menu_tools );
+               gtk_menu_item_set_submenu( GTK_MENU_ITEM( tools_item ), menu_tools );
+               gtk_menu_shell_append( GTK_MENU_SHELL( menu_bar ), tools_item );
+
+               gtk_table_attach( GTK_TABLE( table ), menu_bar, 0, 3, 0, 1, GTK_FILL, GTK_SHRINK, 0, 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 );
+
+               // 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 );
+
+               g_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();
+       }
+       { // gl_widget scrollbar
+               ui::Widget w = ui::Widget(gtk_vscrollbar_new( ui::Adjustment( 0,0,0,1,1,0 ) ));
+               gtk_table_attach( GTK_TABLE( table ), w, 2, 3, 1, 2, GTK_SHRINK, GTK_FILL, 0, 0 );
+               w.show();
+               g_TextureBrowser.m_texture_scroll = w;
+
+               auto vadjustment = ui::Adjustment(gtk_range_get_adjustment( GTK_RANGE( g_TextureBrowser.m_texture_scroll ) ));
+               vadjustment.connect( "value_changed", G_CALLBACK( TextureBrowser_verticalScroll ), &g_TextureBrowser );
+
+               g_TextureBrowser.m_texture_scroll.visible(g_TextureBrowser.m_showTextureScrollbar);
+       }
+       { // gl_widget
+               g_TextureBrowser.m_gl_widget = glwidget_new( FALSE );
+               g_object_ref( g_TextureBrowser.m_gl_widget._handle );
+
+               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 );
+
+               gtk_table_attach_defaults( GTK_TABLE( table ), g_TextureBrowser.m_gl_widget, 1, 2, 1, 2 );
+               g_TextureBrowser.m_gl_widget.show();
+
+               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 );
+
+               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 );
+       }
+
+       // tag stuff
+       if ( g_TextureBrowser.m_tags ) {
+               { // fill tag GtkListStore
+                       g_TextureBrowser.m_all_tags_list = ui::ListStore(gtk_list_store_new( N_COLUMNS, G_TYPE_STRING ));
+                       GtkTreeSortable* sortable = GTK_TREE_SORTABLE( g_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 );
+                       TextureBrowser_buildTagList();
+               }
+               { // tag menu bar
+                       auto menu_tags = ui::Menu(ui::New);
+                       auto tags_item = TextureBrowser_constructTagsMenu( menu_tags );
+                       gtk_menu_item_set_submenu( GTK_MENU_ITEM( tags_item ), menu_tags );
+                       gtk_menu_shell_append( GTK_MENU_SHELL( menu_bar ), tags_item );
+               }
+               { // 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 );
+
+                       // 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 );
+
+                       TextureBrowser_createTreeViewTags();
+
+                       GtkTreeSelection* selection = gtk_tree_view_get_selection( GTK_TREE_VIEW( g_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();
+               }
+               { // Texture/Tag notebook
+                       TextureBrowser_constructTagNotebook();
+                       vbox.pack_start( g_TextureBrowser.m_tag_notebook, TRUE, TRUE, 0 );
+               }
+               { // Tag search button
+                       TextureBrowser_constructSearchButton();
+                       vbox.pack_end(g_TextureBrowser.m_search_button, FALSE, FALSE, 0);
+               }
+               { // Tag frame
+                       frame_table = ui::Table( 3, 3, FALSE );
+
+                       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 );
+
+                       gtk_table_attach( GTK_TABLE( table ), g_TextureBrowser.m_tag_frame, 1, 3, 2, 3, GTK_FILL, GTK_SHRINK, 0, 0 );
+
+                       frame_table.show();
+
+                       g_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(gtk_list_store_new( N_COLUMNS, G_TYPE_STRING ));
+
+                       GtkTreeSortable* sortable = GTK_TREE_SORTABLE( g_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( GTK_TREE_MODEL( g_TextureBrowser.m_assigned_store ) ));
+                       g_TextureBrowser.m_assigned_store.unref();
+                       g_TextureBrowser.m_assigned_tree.connect( "row-activated", (GCallback) TextureBrowser_removeTags, NULL );
+                       gtk_tree_view_set_headers_visible( GTK_TREE_VIEW( g_TextureBrowser.m_assigned_tree ), FALSE );
+
+                       GtkTreeSelection* selection = gtk_tree_view_get_selection( GTK_TREE_VIEW( g_TextureBrowser.m_assigned_tree ) );
+                       gtk_tree_selection_set_mode( selection, GTK_SELECTION_MULTIPLE );
+
+                       GtkTreeViewColumn* column = ui::TreeViewColumn( "", renderer, {{"text", TAG_COLUMN}} );
+                       gtk_tree_view_append_column( GTK_TREE_VIEW( g_TextureBrowser.m_assigned_tree ), column );
+                       g_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_table_attach( GTK_TABLE( frame_table ), scrolled_win, 0, 1, 1, 3, GTK_FILL, GTK_FILL, 0, 0 );
+               }
+               { // available 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_available_store = ui::ListStore(gtk_list_store_new( N_COLUMNS, G_TYPE_STRING ));
+                       GtkTreeSortable* sortable = GTK_TREE_SORTABLE( g_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( GTK_TREE_MODEL( g_TextureBrowser.m_available_store ) ));
+                       g_TextureBrowser.m_available_store.unref();
+                       g_TextureBrowser.m_available_tree.connect( "row-activated", (GCallback) TextureBrowser_assignTags, NULL );
+                       gtk_tree_view_set_headers_visible( GTK_TREE_VIEW( g_TextureBrowser.m_available_tree ), FALSE );
+
+                       GtkTreeSelection* selection = gtk_tree_view_get_selection( GTK_TREE_VIEW( g_TextureBrowser.m_available_tree ) );
+                       gtk_tree_selection_set_mode( selection, GTK_SELECTION_MULTIPLE );
+
+                       GtkTreeViewColumn* column = ui::TreeViewColumn( "", renderer, {{"text", TAG_COLUMN}} );
+                       gtk_tree_view_append_column( GTK_TREE_VIEW( g_TextureBrowser.m_available_tree ), column );
+                       g_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_table_attach( GTK_TABLE( frame_table ), scrolled_win, 2, 3, 1, 3, GTK_FILL, GTK_FILL, 0, 0 );
+               }
+               { // tag arrow buttons
+                       auto m_btn_left = ui::Button(ui::New);
+                       auto m_btn_right = ui::Button(ui::New);
+                       auto m_arrow_left = ui::Widget(gtk_arrow_new( GTK_ARROW_LEFT, GTK_SHADOW_OUT ));
+                       auto m_arrow_right = ui::Widget(gtk_arrow_new( GTK_ARROW_RIGHT, GTK_SHADOW_OUT ));
+                       m_btn_left.add(m_arrow_left);
+                       m_btn_right.add(m_arrow_right);
+
+                       // workaround. the size of the tag frame depends of the requested size of the arrow buttons.
+                       gtk_widget_set_size_request( m_arrow_left, -1, 68 );
+                       gtk_widget_set_size_request( m_arrow_right, -1, 68 );
+
+                       gtk_table_attach( GTK_TABLE( frame_table ), m_btn_left, 1, 2, 1, 2, GTK_SHRINK, GTK_EXPAND, 0, 0 );
+                       gtk_table_attach( GTK_TABLE( frame_table ), m_btn_right, 1, 2, 2, 3, GTK_SHRINK, GTK_EXPAND, 0, 0 );
+
+                       m_btn_left.connect( "clicked", G_CALLBACK( TextureBrowser_assignTags ), NULL );
+                       m_btn_right.connect( "clicked", G_CALLBACK( TextureBrowser_removeTags ), NULL );
+
+                       m_btn_left.show();
+                       m_btn_right.show();
+                       m_arrow_left.show();
+                       m_arrow_right.show();
+               }
+               { // tag fram labels
+                       ui::Widget m_lbl_assigned = ui::Label( "Assigned" );
+                       ui::Widget m_lbl_unassigned = ui::Label( "Available" );
+
+                       gtk_table_attach( GTK_TABLE( frame_table ), m_lbl_assigned, 0, 1, 0, 1, GTK_EXPAND, GTK_SHRINK, 0, 0 );
+                       gtk_table_attach( GTK_TABLE( frame_table ), m_lbl_unassigned, 2, 3, 0, 1, GTK_EXPAND, GTK_SHRINK, 0, 0 );
+
+                       m_lbl_assigned.show();
+                       m_lbl_unassigned.show();
+               }
+       }
+       else { // no tag support, show the texture tree only
+               vbox.pack_start( g_TextureBrowser.m_scr_win_tree, TRUE, TRUE, 0 );
+       }
+
+       // TODO do we need this?
+       //gtk_container_set_focus_chain(GTK_CONTAINER(hbox_table), NULL);
+
+       return table;
+}
+
+void TextureBrowser_destroyWindow(){
+       GlobalShaderSystem().setActiveShadersChangedNotify( Callback() );
+
+       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 );
+
+       g_TextureBrowser.m_gl_widget.unref();
+}
+
+const Vector3& TextureBrowser_getBackgroundColour( TextureBrowser& textureBrowser ){
+       return textureBrowser.color_textureback;
+}
+
+void TextureBrowser_setBackgroundColour( TextureBrowser& textureBrowser, const Vector3& colour ){
+       textureBrowser.color_textureback = colour;
+       TextureBrowser_queueDraw( textureBrowser );
+}
+
+void TextureBrowser_selectionHelper( GtkTreeModel* model, GtkTreePath* path, GtkTreeIter* iter, GSList** selected ){
+       g_assert( selected != NULL );
+
+       gchar* name;
+       gtk_tree_model_get( model, iter, TAG_COLUMN, &name, -1 );
+       *selected = g_slist_append( *selected, name );
+}
+
+void TextureBrowser_shaderInfo(){
+       const char* name = TextureBrowser_GetSelectedShader( g_TextureBrowser );
+       IShader* shader = QERApp_Shader_ForName( name );
+
+       DoShaderInfoDlg( name, shader->getShaderFileName(), "Shader Info" );
+
+       shader->DecRef();
+}
+
+void TextureBrowser_addTag(){
+       CopiedString tag;
+
+       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 );
+
+               // Select the currently added tag in the available list
+               GtkTreeSelection* selection = gtk_tree_view_get_selection( GTK_TREE_VIEW( g_TextureBrowser.m_available_tree ) );
+               gtk_tree_selection_select_iter( selection, &iter );
+
+               g_TextureBrowser.m_all_tags_list.append(TAG_COLUMN, tag.c_str());
+       }
+}
+
+void TextureBrowser_renameTag(){
+       /* WORKAROUND: The tag treeview is set to GTK_SELECTION_MULTIPLE. Because
+          gtk_tree_selection_get_selected() doesn't work with GTK_SELECTION_MULTIPLE,
+          we need to count the number of selected rows first and use
+          gtk_tree_selection_selected_foreach() then to go through the list of selected
+          rows (which always containins a single row).
+        */
+
+       GSList* selected = NULL;
+
+       GtkTreeSelection* selection = gtk_tree_view_get_selection( GTK_TREE_VIEW( g_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
+               CopiedString newTag;
+               EMessageBoxReturn result = DoShaderTagDlg( &newTag, "Rename shader tag" );
+
+               if ( result == eIDOK && !newTag.empty() ) {
+                       GtkTreeIter iterList;
+                       gchar* rowTag;
+                       gchar* oldTag = (char*)selected->data;
+
+                       bool row = gtk_tree_model_get_iter_first( GTK_TREE_MODEL( g_TextureBrowser.m_all_tags_list ), &iterList ) != 0;
+
+                       while ( row )
+                       {
+                               gtk_tree_model_get( GTK_TREE_MODEL( g_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 );
+                               }
+                               row = gtk_tree_model_iter_next( GTK_TREE_MODEL( g_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 );
+
+                       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 );
+               }
+       }
+       else
+       {
+               ui::Widget(g_TextureBrowser.m_parent ).alert( "Select a single tag for renaming." );
+       }
+}
+
+void TextureBrowser_deleteTag(){
+       GSList* selected = NULL;
+
+       GtkTreeSelection* selection = gtk_tree_view_get_selection( GTK_TREE_VIEW( g_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::Widget(g_TextureBrowser.m_parent ).alert( "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 *rowTag;
+
+                       gchar* tagSelected = (char*)selected->data;
+
+                       bool row = gtk_tree_model_get_iter_first( GTK_TREE_MODEL( g_TextureBrowser.m_all_tags_list ), &iterSelected ) != 0;
+
+                       while ( row )
+                       {
+                               gtk_tree_model_get( GTK_TREE_MODEL( g_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 );
+                                       break;
+                               }
+                               row = gtk_tree_model_iter_next( GTK_TREE_MODEL( g_TextureBrowser.m_all_tags_list ), &iterSelected ) != 0;
+                       }
+
+                       TagBuilder.DeleteTag( tagSelected );
+                       g_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 );
+               }
+       }
+       else {
+               ui::Widget(g_TextureBrowser.m_parent ).alert( "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 );
+}
+
+void TextureBrowser_pasteTag(){
+       IShader* ishader = QERApp_Shader_ForName( g_TextureBrowser.shader.c_str() );
+       CopiedString shader = g_TextureBrowser.shader.c_str();
+
+       if ( !TagBuilder.CheckShaderTag( shader.c_str() ) ) {
+               CopiedString shaderFile = ishader->getShaderFileName();
+               if ( shaderFile.empty() ) {
+                       // it's a texture
+                       TagBuilder.AddShaderNode( shader.c_str(), CUSTOM, TEXTURE );
+               }
+               else
+               {
+                       // it's a shader
+                       TagBuilder.AddShaderNode( shader.c_str(), CUSTOM, SHADER );
+               }
+
+               for ( size_t i = 0; i < g_TextureBrowser.m_copied_tags.size(); ++i )
+               {
+                       TagBuilder.AddShaderTag( shader.c_str(), g_TextureBrowser.m_copied_tags[i].c_str(), TAG );
+               }
+       }
+       else
+       {
+               for ( size_t i = 0; i < g_TextureBrowser.m_copied_tags.size(); ++i )
+               {
+                       if ( !TagBuilder.CheckShaderTag( shader.c_str(), g_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 );
+                       }
+               }
+       }
+
+       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 );
+}
+
+void TextureBrowser_RefreshShaders(){
+       ScopeDisableScreenUpdates disableScreenUpdates( "Processing...", "Loading Shaders" );
+       GlobalShaderSystem().refresh();
+       UpdateAllWindows();
+       GtkTreeSelection* selection = gtk_tree_view_get_selection(GTK_TREE_VIEW(GlobalTextureBrowser().m_treeViewTree));
+       GtkTreeModel* model = NULL;
+       GtkTreeIter iter;
+       if ( gtk_tree_selection_get_selected (selection, &model, &iter) )
+       {
+               gchar dirName[1024];
+
+               gchar* buffer;
+               gtk_tree_model_get( model, &iter, 0, &buffer, -1 );
+               strcpy( dirName, buffer );
+               g_free( buffer );
+               if ( !TextureBrowser_showWads() ) {
+                       strcat( dirName, "/" );
+               }
+               TextureBrowser_ShowDirectory( GlobalTextureBrowser(), dirName );
+               TextureBrowser_queueDraw( GlobalTextureBrowser() );
+       }
+}
+
+void TextureBrowser_ToggleShowShaders(){
+       g_TextureBrowser.m_showShaders ^= 1;
+       g_TextureBrowser.m_showshaders_item.update();
+       TextureBrowser_queueDraw( g_TextureBrowser );
+}
+
+void TextureBrowser_ToggleShowShaderListOnly(){
+       g_TextureBrowser_shaderlistOnly ^= 1;
+       g_TextureBrowser.m_showshaderlistonly_item.update();
+
+       TextureBrowser_constructTreeStore();
+}
+
+void TextureBrowser_showAll(){
+       g_TextureBrowser_currentDirectory = "";
+       g_TextureBrowser.m_searchedTags = false;
+       TextureBrowser_heightChanged( g_TextureBrowser );
+       TextureBrowser_updateTitle();
+}
+
+void TextureBrowser_showUntagged(){
+       auto result = ui::Widget(g_TextureBrowser.m_parent ).alert( "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 );
+               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++ )
+               {
+                       std::string path = ( *iter ).c_str();
+                       size_t pos = path.find_last_of( "/", path.size() );
+                       std::string name = path.substr( pos + 1, path.size() );
+                       path = path.substr( 0, pos + 1 );
+                       TextureDirectory_loadTexture( path.c_str(), name.c_str() );
+                       globalErrorStream() << path.c_str() << name.c_str() << "\n";
+               }
+
+               g_TextureBrowser_currentDirectory = "Untagged";
+               TextureBrowser_queueDraw( GlobalTextureBrowser() );
+               TextureBrowser_heightChanged( g_TextureBrowser );
+               TextureBrowser_updateTitle();
+       }
+}
+
+void TextureBrowser_FixedSize(){
+       g_TextureBrowser_fixedSize ^= 1;
+       GlobalTextureBrowser().m_fixedsize_item.update();
+       TextureBrowser_activeShadersChanged( GlobalTextureBrowser() );
+}
+
+void TextureBrowser_FilterMissing(){
+       g_TextureBrowser_filterMissing ^= 1;
+       GlobalTextureBrowser().m_filternotex_item.update();
+       TextureBrowser_activeShadersChanged( GlobalTextureBrowser() );
+       TextureBrowser_RefreshShaders();
+}
+
+void TextureBrowser_FilterFallback(){
+       g_TextureBrowser_filterFallback ^= 1;
+       GlobalTextureBrowser().m_hidenotex_item.update();
+       TextureBrowser_activeShadersChanged( GlobalTextureBrowser() );
+       TextureBrowser_RefreshShaders();
+}
+
+void TextureBrowser_EnableAlpha(){
+       g_TextureBrowser_enableAlpha ^= 1;
+       GlobalTextureBrowser().m_enablealpha_item.update();
+       TextureBrowser_activeShadersChanged( GlobalTextureBrowser() );
+}
+
+void TextureBrowser_exportTitle( const StringImportCallback& importer ){
+       StringOutputStream buffer( 64 );
+       buffer << "Textures: ";
+       if ( !string_empty( g_TextureBrowser_currentDirectory.c_str() ) ) {
+               buffer << g_TextureBrowser_currentDirectory.c_str();
+       }
+       else
+       {
+               buffer << "all";
+       }
+       importer( buffer.c_str() );
+}
+
+
+void TextureScaleImport( TextureBrowser& textureBrowser, int value ){
+       switch ( value )
+       {
+       case 0:
+               TextureBrowser_setScale( textureBrowser, 10 );
+               break;
+       case 1:
+               TextureBrowser_setScale( textureBrowser, 25 );
+               break;
+       case 2:
+               TextureBrowser_setScale( textureBrowser, 50 );
+               break;
+       case 3:
+               TextureBrowser_setScale( textureBrowser, 100 );
+               break;
+       case 4:
+               TextureBrowser_setScale( textureBrowser, 200 );
+               break;
+       }
 }
 typedef ReferenceCaller1<TextureBrowser, int, TextureScaleImport> TextureScaleImportCaller;
 
-void TextureScaleExport(TextureBrowser& textureBrowser, const IntImportCallback& importer)
-{
-  switch(textureBrowser.m_textureScale)
-  {
-  case 10:
-    importer(0);
-    break;
-  case 25:
-    importer(1);
-    break;
-  case 50:
-    importer(2);
-    break;
-  case 100:
-    importer(3);
-    break;
-  case 200:
-    importer(4);
-    break;
-  }
+void TextureScaleExport( TextureBrowser& textureBrowser, const IntImportCallback& importer ){
+       switch ( textureBrowser.m_textureScale )
+       {
+       case 10:
+               importer( 0 );
+               break;
+       case 25:
+               importer( 1 );
+               break;
+       case 50:
+               importer( 2 );
+               break;
+       case 100:
+               importer( 3 );
+               break;
+       case 200:
+               importer( 4 );
+               break;
+       }
 }
 typedef ReferenceCaller1<TextureBrowser, const IntImportCallback&, TextureScaleExport> TextureScaleExportCaller;
 
-void TextureBrowser_constructPreferences(PreferencesPage& page)
-{
-  page.appendCheckBox(
-    "", "Texture subsets",
-    TextureBrowserImportShowFilterCaller(GlobalTextureBrowser()),
-    BoolExportCaller(GlobalTextureBrowser().m_showTextureFilter)
-  );
-  page.appendCheckBox(
-    "", "Texture scrollbar",
-    TextureBrowserImportShowScrollbarCaller(GlobalTextureBrowser()),
-    BoolExportCaller(GlobalTextureBrowser().m_showTextureScrollbar)
-  );
-  {
-    const char* texture_scale[] = { "10%", "25%", "50%", "100%", "200%" };
-    page.appendCombo(
-      "Texture Thumbnail Scale",
-      STRING_ARRAY_RANGE(texture_scale),
-      IntImportCallback(TextureScaleImportCaller(GlobalTextureBrowser())),
-      IntExportCallback(TextureScaleExportCaller(GlobalTextureBrowser()))
-    );
-  }
-  page.appendEntry("Mousewheel Increment", GlobalTextureBrowser().m_mouseWheelScrollIncrement);
-  {
-    const char* startup_shaders[] = { "None", TextureBrowser_getComonShadersName(), "All" };
-    page.appendCombo("Load Shaders at Startup", reinterpret_cast<int&>(GlobalTextureBrowser().m_startupShaders), STRING_ARRAY_RANGE(startup_shaders));
-  }
-}
-void TextureBrowser_constructPage(PreferenceGroup& group)
-{
-  PreferencesPage page(group.createPage("Texture Browser", "Texture Browser Preferences"));
-  TextureBrowser_constructPreferences(page);
+
+void UniformTextureSizeImport( TextureBrowser& textureBrowser, int value ){
+
+       if ( value > 16 )
+               TextureBrowser_setUniformSize( textureBrowser, value );
 }
-void TextureBrowser_registerPreferencesPage()
-{
-  PreferencesDialog_addSettingsPage(FreeCaller1<PreferenceGroup&, TextureBrowser_constructPage>());
+typedef ReferenceCaller1<TextureBrowser, int, UniformTextureSizeImport> UniformTextureSizeImportCaller;
+
+void TextureBrowser_constructPreferences( PreferencesPage& page ){
+       page.appendCheckBox(
+               "", "Texture scrollbar",
+               TextureBrowserImportShowScrollbarCaller( GlobalTextureBrowser() ),
+               BoolExportCaller( GlobalTextureBrowser().m_showTextureScrollbar )
+               );
+       {
+               const char* texture_scale[] = { "10%", "25%", "50%", "100%", "200%" };
+               page.appendCombo(
+                       "Texture Thumbnail Scale",
+                       STRING_ARRAY_RANGE( texture_scale ),
+                       IntImportCallback( TextureScaleImportCaller( GlobalTextureBrowser() ) ),
+                       IntExportCallback( TextureScaleExportCaller( GlobalTextureBrowser() ) )
+                       );
+       }
+       page.appendSpinner(
+               "Texture Thumbnail Size",
+               GlobalTextureBrowser().m_uniformTextureSize,
+               GlobalTextureBrowser().m_uniformTextureSize,
+               16, 8192
+       );
+       page.appendEntry( "Mousewheel Increment", GlobalTextureBrowser().m_mouseWheelScrollIncrement );
+       {
+               const char* startup_shaders[] = { "None", TextureBrowser_getComonShadersName() };
+               page.appendCombo( "Load Shaders at Startup", reinterpret_cast<int&>( GlobalTextureBrowser().m_startupShaders ), STRING_ARRAY_RANGE( startup_shaders ) );
+       }
+}
+void TextureBrowser_constructPage( PreferenceGroup& group ){
+       PreferencesPage page( group.createPage( "Texture Browser", "Texture Browser Preferences" ) );
+       TextureBrowser_constructPreferences( page );
+}
+void TextureBrowser_registerPreferencesPage(){
+       PreferencesDialog_addSettingsPage( FreeCaller1<PreferenceGroup&, TextureBrowser_constructPage>() );
 }
 
 
@@ -1691,51 +2613,59 @@ typedef ReferenceCaller1<TextureBrowser, std::size_t, TextureBrowser_setScale> T
 
 
 
-void TextureClipboard_textureSelected(const char* shader);
-
-void TextureBrowser_Construct()
-{
-  GlobalToggles_insert("ShowInUse", FreeCaller<TextureBrowser_ToggleHideUnused>(), ToggleItem::AddCallbackCaller(g_TexturesMenu.m_hideunused_item), Accelerator('U'));
-  GlobalCommands_insert("ShowAllTextures", FreeCaller<TextureBrowser_showAll>(), Accelerator('A', (GdkModifierType)GDK_CONTROL_MASK));
-  GlobalCommands_insert("ViewTextures", FreeCaller<TextureBrowser_toggleShown>(), Accelerator('T'));
-  GlobalToggles_insert("ToggleShowShaders", FreeCaller<TextureBrowser_ToggleShowShaders>(), ToggleItem::AddCallbackCaller(g_TexturesMenu.m_showshaders_item));
-  GlobalToggles_insert("ToggleShowShaderlistOnly", FreeCaller<TextureBrowser_ToggleShowShaderListOnly>(), ToggleItem::AddCallbackCaller(g_TexturesMenu.m_showshaderlistonly_item));
-
-  GlobalPreferenceSystem().registerPreference("TextureScale",
-    makeSizeStringImportCallback(TextureBrowserSetScaleCaller(g_TextureBrowser)),
-    SizeExportStringCaller(g_TextureBrowser.m_textureScale)
-  );
-  GlobalPreferenceSystem().registerPreference("NewTextureWindowStuff",
-    makeBoolStringImportCallback(TextureBrowserImportShowFilterCaller(g_TextureBrowser)),
-    BoolExportStringCaller(GlobalTextureBrowser().m_showTextureFilter)
-  );
-  GlobalPreferenceSystem().registerPreference("TextureScrollbar",
-    makeBoolStringImportCallback(TextureBrowserImportShowScrollbarCaller(g_TextureBrowser)),
-    BoolExportStringCaller(GlobalTextureBrowser().m_showTextureScrollbar)
-  );
-  GlobalPreferenceSystem().registerPreference("ShowShaders", BoolImportStringCaller(GlobalTextureBrowser().m_showShaders), BoolExportStringCaller(GlobalTextureBrowser().m_showShaders));
-  GlobalPreferenceSystem().registerPreference("ShowShaderlistOnly", BoolImportStringCaller(g_TexturesMenu_shaderlistOnly), BoolExportStringCaller(g_TexturesMenu_shaderlistOnly));
-  GlobalPreferenceSystem().registerPreference("LoadShaders", IntImportStringCaller(reinterpret_cast<int&>(GlobalTextureBrowser().m_startupShaders)), IntExportStringCaller(reinterpret_cast<int&>(GlobalTextureBrowser().m_startupShaders)));
-  GlobalPreferenceSystem().registerPreference("WheelMouseInc", SizeImportStringCaller(GlobalTextureBrowser().m_mouseWheelScrollIncrement), SizeExportStringCaller(GlobalTextureBrowser().m_mouseWheelScrollIncrement));
-  GlobalPreferenceSystem().registerPreference("SI_Colors0", Vector3ImportStringCaller(GlobalTextureBrowser().color_textureback), Vector3ExportStringCaller(GlobalTextureBrowser().color_textureback));
-
-  g_TextureBrowser.shader = texdef_name_default();
-
-  Textures_setModeChangedNotify(ReferenceCaller<TextureBrowser, TextureBrowser_queueDraw>(g_TextureBrowser));
-
-  TextureBrowser_registerPreferencesPage();
-
-  GlobalShaderSystem().attach(g_ShadersObserver);
-  GlobalShaderSystem().attach(g_TextureGroupsMenu);
-  GlobalFileSystem().attach(g_TextureGroupsMenu);
-
-  TextureBrowser_textureSelected = TextureClipboard_textureSelected;
-}
-void TextureBrowser_Destroy()
-{
-  GlobalFileSystem().detach(g_TextureGroupsMenu);
-  GlobalShaderSystem().detach(g_TextureGroupsMenu);
-  GlobalShaderSystem().detach(g_ShadersObserver);
-
-  Textures_setModeChangedNotify(Callback());
+void TextureClipboard_textureSelected( const char* shader );
+
+void TextureBrowser_Construct(){
+       GlobalCommands_insert( "ShaderInfo", FreeCaller<TextureBrowser_shaderInfo>() );
+       GlobalCommands_insert( "ShowUntagged", FreeCaller<TextureBrowser_showUntagged>() );
+       GlobalCommands_insert( "AddTag", FreeCaller<TextureBrowser_addTag>() );
+       GlobalCommands_insert( "RenameTag", FreeCaller<TextureBrowser_renameTag>() );
+       GlobalCommands_insert( "DeleteTag", FreeCaller<TextureBrowser_deleteTag>() );
+       GlobalCommands_insert( "CopyTag", FreeCaller<TextureBrowser_copyTag>() );
+       GlobalCommands_insert( "PasteTag", FreeCaller<TextureBrowser_pasteTag>() );
+       GlobalCommands_insert( "RefreshShaders", FreeCaller<VFS_Refresh>() );
+       GlobalToggles_insert( "ShowInUse", FreeCaller<TextureBrowser_ToggleHideUnused>(), ToggleItem::AddCallbackCaller( g_TextureBrowser.m_hideunused_item ), Accelerator( 'U' ) );
+       GlobalCommands_insert( "ShowAllTextures", FreeCaller<TextureBrowser_showAll>(), Accelerator( 'A', (GdkModifierType)GDK_CONTROL_MASK ) );
+       GlobalCommands_insert( "ToggleTextures", FreeCaller<TextureBrowser_toggleShow>(), Accelerator( 'T' ) );
+       GlobalToggles_insert( "ToggleShowShaders", FreeCaller<TextureBrowser_ToggleShowShaders>(), ToggleItem::AddCallbackCaller( g_TextureBrowser.m_showshaders_item ) );
+       GlobalToggles_insert( "ToggleShowShaderlistOnly", FreeCaller<TextureBrowser_ToggleShowShaderListOnly>(), ToggleItem::AddCallbackCaller( g_TextureBrowser.m_showshaderlistonly_item ) );
+       GlobalToggles_insert( "FixedSize", FreeCaller<TextureBrowser_FixedSize>(), ToggleItem::AddCallbackCaller( g_TextureBrowser.m_fixedsize_item ) );
+       GlobalToggles_insert( "FilterMissing", FreeCaller<TextureBrowser_FilterMissing>(), ToggleItem::AddCallbackCaller( g_TextureBrowser.m_filternotex_item ) );
+       GlobalToggles_insert( "FilterFallback", FreeCaller<TextureBrowser_FilterFallback>(), ToggleItem::AddCallbackCaller( g_TextureBrowser.m_hidenotex_item ) );
+       GlobalToggles_insert( "EnableAlpha", FreeCaller<TextureBrowser_EnableAlpha>(), ToggleItem::AddCallbackCaller( g_TextureBrowser.m_enablealpha_item ) );
+
+       GlobalPreferenceSystem().registerPreference( "TextureScale",
+                                                                                                makeSizeStringImportCallback( TextureBrowserSetScaleCaller( g_TextureBrowser ) ),
+                                                                                                SizeExportStringCaller( g_TextureBrowser.m_textureScale )
+                                                                                                );
+       GlobalPreferenceSystem().registerPreference( "UniformTextureSize",
+                                                                                                makeIntStringImportCallback(UniformTextureSizeImportCaller(g_TextureBrowser)),
+                                                                                                IntExportStringCaller(g_TextureBrowser.m_uniformTextureSize) );
+       GlobalPreferenceSystem().registerPreference( "TextureScrollbar",
+                                                                                                makeBoolStringImportCallback( TextureBrowserImportShowScrollbarCaller( g_TextureBrowser ) ),
+                                                                                                BoolExportStringCaller( GlobalTextureBrowser().m_showTextureScrollbar )
+                                                                                                );
+       GlobalPreferenceSystem().registerPreference( "ShowShaders", BoolImportStringCaller( GlobalTextureBrowser().m_showShaders ), BoolExportStringCaller( GlobalTextureBrowser().m_showShaders ) );
+       GlobalPreferenceSystem().registerPreference( "ShowShaderlistOnly", BoolImportStringCaller( g_TextureBrowser_shaderlistOnly ), BoolExportStringCaller( g_TextureBrowser_shaderlistOnly ) );
+       GlobalPreferenceSystem().registerPreference( "FixedSize", BoolImportStringCaller( g_TextureBrowser_fixedSize ), BoolExportStringCaller( g_TextureBrowser_fixedSize ) );
+       GlobalPreferenceSystem().registerPreference( "FilterMissing", BoolImportStringCaller( g_TextureBrowser_filterMissing ), BoolExportStringCaller( g_TextureBrowser_filterMissing ) );
+       GlobalPreferenceSystem().registerPreference( "EnableAlpha", BoolImportStringCaller( g_TextureBrowser_enableAlpha ), BoolExportStringCaller( g_TextureBrowser_enableAlpha ) );
+       GlobalPreferenceSystem().registerPreference( "LoadShaders", IntImportStringCaller( reinterpret_cast<int&>( GlobalTextureBrowser().m_startupShaders ) ), IntExportStringCaller( reinterpret_cast<int&>( GlobalTextureBrowser().m_startupShaders ) ) );
+       GlobalPreferenceSystem().registerPreference( "WheelMouseInc", SizeImportStringCaller( GlobalTextureBrowser().m_mouseWheelScrollIncrement ), SizeExportStringCaller( GlobalTextureBrowser().m_mouseWheelScrollIncrement ) );
+       GlobalPreferenceSystem().registerPreference( "SI_Colors0", Vector3ImportStringCaller( GlobalTextureBrowser().color_textureback ), Vector3ExportStringCaller( GlobalTextureBrowser().color_textureback ) );
+
+       g_TextureBrowser.shader = texdef_name_default();
+
+       Textures_setModeChangedNotify( ReferenceCaller<TextureBrowser, TextureBrowser_queueDraw>( g_TextureBrowser ) );
+
+       TextureBrowser_registerPreferencesPage();
+
+       GlobalShaderSystem().attach( g_ShadersObserver );
+
+       TextureBrowser_textureSelected = TextureClipboard_textureSelected;
+}
+void TextureBrowser_Destroy(){
+       GlobalShaderSystem().detach( g_ShadersObserver );
+
+       Textures_setModeChangedNotify( Callback() );
 }