radiant/texwindow.cpp

   1 /*
   2    Copyright (C) 1999-2006 Id Software, Inc. and contributors.
   3    For a list of contributors, see the accompanying CONTRIBUTORS file.
   4
   5    This file is part of GtkRadiant.
   6
   7    GtkRadiant is free software; you can redistribute it and/or modify
   8    it under the terms of the GNU General Public License as published by
   9    the Free Software Foundation; either version 2 of the License, or
  10    (at your option) any later version.
  11
  12    GtkRadiant is distributed in the hope that it will be useful,
  13    but WITHOUT ANY WARRANTY; without even the implied warranty of
  14    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15    GNU General Public License for more details.
  16
  17    You should have received a copy of the GNU General Public License
  18    along with GtkRadiant; if not, write to the Free Software
  19    Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
  20  */
  21
  22 //
  23 // Texture Window
  24 //
  25 // Leonardo Zide (leo@lokigames.com)
  26 //
  27
  28 #include "texwindow.h"
  29
  30 #include <gtk/gtk.h>
  31
  32 #include "debugging/debugging.h"
  33 #include "warnings.h"
  34
  35 #include "defaults.h"
  36 #include "ifilesystem.h"
  37 #include "iundo.h"
  38 #include "igl.h"
  39 #include "iarchive.h"
  40 #include "moduleobserver.h"
  41
  42 #include <set>
  43 #include <string>
  44 #include <vector>
  45
  46 #include <uilib/uilib.h>
  47
  48 #include "signal/signal.h"
  49 #include "math/vector.h"
  50 #include "texturelib.h"
  51 #include "string/string.h"
  52 #include "shaderlib.h"
  53 #include "os/file.h"
  54 #include "os/path.h"
  55 #include "stream/memstream.h"
  56 #include "stream/textfilestream.h"
  57 #include "stream/stringstream.h"
  58 #include "cmdlib.h"
  59 #include "texmanip.h"
  60 #include "textures.h"
  61 #include "convert.h"
  62
  63 #include "gtkutil/menu.h"
  64 #include "gtkutil/nonmodal.h"
  65 #include "gtkutil/cursor.h"
  66 #include "gtkutil/widget.h"
  67 #include "gtkutil/glwidget.h"
  68 #include "gtkutil/messagebox.h"
  69
  70 #include "error.h"
  71 #include "map.h"
  72 #include "qgl.h"
  73 #include "select.h"
  74 #include "brush_primit.h"
  75 #include "brushmanip.h"
  76 #include "patchmanip.h"
  77 #include "plugin.h"
  78 #include "qe3.h"
  79 #include "gtkdlgs.h"
  80 #include "gtkmisc.h"
  81 #include "mainframe.h"
  82 #include "findtexturedialog.h"
  83 #include "surfacedialog.h"
  84 #include "patchdialog.h"
  85 #include "groupdialog.h"
  86 #include "preferences.h"
  87 #include "shaders.h"
  88 #include "commands.h"
  89
  90 bool TextureBrowser_showWads(){
  91         return !string_empty( g_pGameDescription->getKeyValue( "show_wads" ) );
  92 }
  93
  94 void TextureBrowser_queueDraw( TextureBrowser& textureBrowser );
  95
  96 bool string_equal_start( const char* string, StringRange start ){
  97         return string_equal_n( string, start.first, start.last - start.first );
  98 }
  99
 100 typedef std::set<CopiedString> TextureGroups;
 101
 102 void TextureGroups_addWad( TextureGroups& groups, const char* archive ){
 103         if ( extension_equal( path_get_extension( archive ), "wad" ) ) {
 104                 groups.insert( archive );
 105         }
 106 }
 107
 108 typedef ReferenceCaller<TextureGroups, void(const char*), TextureGroups_addWad> TextureGroupsAddWadCaller;
 109
 110 namespace
 111 {
 112 bool g_TextureBrowser_shaderlistOnly = false;
 113 bool g_TextureBrowser_fixedSize = true;
 114 bool g_TextureBrowser_filterMissing = false;
 115 bool g_TextureBrowser_filterFallback = true;
 116 bool g_TextureBrowser_enableAlpha = true;
 117 }
 118
 119 CopiedString g_notex;
 120 CopiedString g_shadernotex;
 121
 122 bool isMissing(const char* name);
 123
 124 bool isNotex(const char* name);
 125
 126 bool isMissing(const char* name){
 127         if ( string_equal( g_notex.c_str(), name ) ) {
 128                 return true;
 129         }
 130         if ( string_equal( g_shadernotex.c_str(), name ) ) {
 131                 return true;
 132         }
 133         return false;
 134 }
 135
 136 bool isNotex(const char* name){
 137         if ( string_equal_suffix( name, "/" DEFAULT_NOTEX_BASENAME ) ) {
 138                 return true;
 139         }
 140         if ( string_equal_suffix( name, "/" DEFAULT_SHADERNOTEX_BASENAME ) ) {
 141                 return true;
 142         }
 143         return false;
 144 }
 145
 146 void TextureGroups_addShader( TextureGroups& groups, const char* shaderName ){
 147         const char* texture = path_make_relative( shaderName, "textures/" );
 148
 149         // hide notex / shadernotex images
 150         if ( g_TextureBrowser_filterFallback ) {
 151                 if ( isNotex( shaderName ) ) {
 152                         return;
 153                 }
 154                 if ( isNotex( texture ) ) {
 155                         return;
 156                 }
 157         }
 158
 159         if ( texture != shaderName ) {
 160                 const char* last = path_remove_directory( texture );
 161                 if ( !string_empty( last ) ) {
 162                         groups.insert( CopiedString( StringRange( texture, --last ) ) );
 163                 }
 164         }
 165 }
 166
 167 typedef ReferenceCaller<TextureGroups, void(const char*), TextureGroups_addShader> TextureGroupsAddShaderCaller;
 168
 169 void TextureGroups_addDirectory( TextureGroups& groups, const char* directory ){
 170         groups.insert( directory );
 171 }
 172 typedef ReferenceCaller<TextureGroups, void(const char*), TextureGroups_addDirectory> TextureGroupsAddDirectoryCaller;
 173
 174 class DeferredAdjustment
 175 {
 176 gdouble m_value;
 177 guint m_handler;
 178
 179 typedef void ( *ValueChangedFunction )( void* data, gdouble value );
 180
 181 ValueChangedFunction m_function;
 182 void* m_data;
 183
 184 static gboolean deferred_value_changed( gpointer data ){
 185         reinterpret_cast<DeferredAdjustment*>( data )->m_function(
 186                 reinterpret_cast<DeferredAdjustment*>( data )->m_data,
 187                 reinterpret_cast<DeferredAdjustment*>( data )->m_value
 188                 );
 189         reinterpret_cast<DeferredAdjustment*>( data )->m_handler = 0;
 190         reinterpret_cast<DeferredAdjustment*>( data )->m_value = 0;
 191         return FALSE;
 192 }
 193
 194 public:
 195 DeferredAdjustment( ValueChangedFunction function, void* data ) : m_value( 0 ), m_handler( 0 ), m_function( function ), m_data( data ){
 196 }
 197
 198 void flush(){
 199         if ( m_handler != 0 ) {
 200                 g_source_remove( m_handler );
 201                 deferred_value_changed( this );
 202         }
 203 }
 204
 205 void value_changed( gdouble value ){
 206         m_value = value;
 207         if ( m_handler == 0 ) {
 208                 m_handler = g_idle_add( deferred_value_changed, this );
 209         }
 210 }
 211
 212 static void adjustment_value_changed(ui::Adjustment adjustment, DeferredAdjustment* self ){
 213         self->value_changed( gtk_adjustment_get_value(adjustment) );
 214 }
 215 };
 216
 217
 218 class TextureBrowser;
 219
 220 typedef ReferenceCaller<TextureBrowser, void(), TextureBrowser_queueDraw> TextureBrowserQueueDrawCaller;
 221
 222 void TextureBrowser_scrollChanged( void* data, gdouble value );
 223
 224
 225 enum StartupShaders
 226 {
 227         STARTUPSHADERS_NONE = 0,
 228         STARTUPSHADERS_COMMON,
 229 };
 230
 231 void TextureBrowser_hideUnusedExport( const Callback<void(bool)> & importer );
 232
 233 typedef FreeCaller<void(const Callback<void(bool)> &), TextureBrowser_hideUnusedExport> TextureBrowserHideUnusedExport;
 234
 235 void TextureBrowser_showShadersExport( const Callback<void(bool)> & importer );
 236
 237 typedef FreeCaller<void(const Callback<void(bool)> &), TextureBrowser_showShadersExport> TextureBrowserShowShadersExport;
 238
 239 void TextureBrowser_showShaderlistOnly( const Callback<void(bool)> & importer );
 240
 241 typedef FreeCaller<void(const Callback<void(bool)> &), TextureBrowser_showShaderlistOnly> TextureBrowserShowShaderlistOnlyExport;
 242
 243 void TextureBrowser_fixedSize( const Callback<void(bool)> & importer );
 244
 245 typedef FreeCaller<void(const Callback<void(bool)> &), TextureBrowser_fixedSize> TextureBrowserFixedSizeExport;
 246
 247 void TextureBrowser_filterMissing( const Callback<void(bool)> & importer );
 248
 249 typedef FreeCaller<void(const Callback<void(bool)> &), TextureBrowser_filterMissing> TextureBrowserFilterMissingExport;
 250
 251 void TextureBrowser_filterFallback( const Callback<void(bool)> & importer );
 252
 253 typedef FreeCaller<void(const Callback<void(bool)> &), TextureBrowser_filterFallback> TextureBrowserFilterFallbackExport;
 254
 255 void TextureBrowser_enableAlpha( const Callback<void(bool)> & importer );
 256
 257 typedef FreeCaller<void(const Callback<void(bool)> &), TextureBrowser_enableAlpha> TextureBrowserEnableAlphaExport;
 258
 259 class TextureBrowser
 260 {
 261 public:
 262 int width, height;
 263 int originy;
 264 int m_nTotalHeight;
 265
 266 CopiedString shader;
 267
 268 ui::Window m_parent{ui::null};
 269 #ifdef WORKAROUND_MACOS_GTK2_GLWIDGET
 270 ui::VBox m_vframe{ui::null};
 271 ui::VBox m_vfiller{ui::null};
 272 ui::HBox m_hframe{ui::null};
 273 ui::HBox m_hfiller{ui::null};
 274 #else // !WORKAROUND_MACOS_GTK2_GLWIDGET
 275 ui::VBox m_frame{ui::null};
 276 #endif // !WORKAROUND_MACOS_GTK2_GLWIDGET
 277 ui::GLArea m_gl_widget{ui::null};
 278 ui::Widget m_texture_scroll{ui::null};
 279 ui::TreeView m_treeViewTree{ui::New};
 280 ui::TreeView m_treeViewTags{ui::null};
 281 ui::Frame m_tag_frame{ui::null};
 282 ui::ListStore m_assigned_store{ui::null};
 283 ui::ListStore m_available_store{ui::null};
 284 ui::TreeView m_assigned_tree{ui::null};
 285 ui::TreeView m_available_tree{ui::null};
 286 ui::Widget m_scr_win_tree{ui::null};
 287 ui::Widget m_scr_win_tags{ui::null};
 288 ui::Widget m_tag_notebook{ui::null};
 289 ui::Button m_search_button{ui::null};
 290 ui::Widget m_shader_info_item{ui::null};
 291
 292 std::set<CopiedString> m_all_tags;
 293 ui::ListStore m_all_tags_list{ui::null};
 294 std::vector<CopiedString> m_copied_tags;
 295 std::set<CopiedString> m_found_shaders;
 296
 297 ToggleItem m_hideunused_item;
 298 ToggleItem m_hidenotex_item;
 299 ToggleItem m_showshaders_item;
 300 ToggleItem m_showshaderlistonly_item;
 301 ToggleItem m_fixedsize_item;
 302 ToggleItem m_filternotex_item;
 303 ToggleItem m_enablealpha_item;
 304
 305 guint m_sizeHandler;
 306 guint m_exposeHandler;
 307
 308 bool m_heightChanged;
 309 bool m_originInvalid;
 310
 311 DeferredAdjustment m_scrollAdjustment;
 312 FreezePointer m_freezePointer;
 313
 314 Vector3 color_textureback;
 315 // the increment step we use against the wheel mouse
 316 std::size_t m_mouseWheelScrollIncrement;
 317 std::size_t m_textureScale;
 318 // make the texture increments match the grid changes
 319 bool m_showShaders;
 320 bool m_showTextureScrollbar;
 321 StartupShaders m_startupShaders;
 322 // if true, the texture window will only display in-use shaders
 323 // if false, all the shaders in memory are displayed
 324 bool m_hideUnused;
 325 bool m_rmbSelected;
 326 bool m_searchedTags;
 327 bool m_tags;
 328 // The uniform size (in pixels) that textures are resized to when m_resizeTextures is true.
 329 int m_uniformTextureSize;
 330
 331 // Return the display width of a texture in the texture browser
 332 int getTextureWidth( qtexture_t* tex ){
 333         int width;
 334         if ( !g_TextureBrowser_fixedSize ) {
 335                 // Don't use uniform size
 336                 width = (int)( tex->width * ( (float)m_textureScale / 100 ) );
 337         }
 338         else if
 339         ( tex->width >= tex->height ) {
 340                 // Texture is square, or wider than it is tall
 341                 width = m_uniformTextureSize;
 342         }
 343         else {
 344                 // Otherwise, preserve the texture's aspect ratio
 345                 width = (int)( m_uniformTextureSize * ( (float)tex->width / tex->height ) );
 346         }
 347         return width;
 348 }
 349
 350 // Return the display height of a texture in the texture browser
 351 int getTextureHeight( qtexture_t* tex ){
 352         int height;
 353         if ( !g_TextureBrowser_fixedSize ) {
 354                 // Don't use uniform size
 355                 height = (int)( tex->height * ( (float)m_textureScale / 100 ) );
 356         }
 357         else if ( tex->height >= tex->width ) {
 358                 // Texture is square, or taller than it is wide
 359                 height = m_uniformTextureSize;
 360         }
 361         else {
 362                 // Otherwise, preserve the texture's aspect ratio
 363                 height = (int)( m_uniformTextureSize * ( (float)tex->height / tex->width ) );
 364         }
 365         return height;
 366 }
 367
 368 TextureBrowser() :
 369         m_texture_scroll( ui::null ),
 370         m_hideunused_item( TextureBrowserHideUnusedExport() ),
 371         m_hidenotex_item( TextureBrowserFilterFallbackExport() ),
 372         m_showshaders_item( TextureBrowserShowShadersExport() ),
 373         m_showshaderlistonly_item( TextureBrowserShowShaderlistOnlyExport() ),
 374         m_fixedsize_item( TextureBrowserFixedSizeExport() ),
 375         m_filternotex_item( TextureBrowserFilterMissingExport() ),
 376         m_enablealpha_item( TextureBrowserEnableAlphaExport() ),
 377         m_heightChanged( true ),
 378         m_originInvalid( true ),
 379         m_scrollAdjustment( TextureBrowser_scrollChanged, this ),
 380         color_textureback( 0.25f, 0.25f, 0.25f ),
 381         m_mouseWheelScrollIncrement( 64 ),
 382         m_textureScale( 50 ),
 383         m_showShaders( true ),
 384         m_showTextureScrollbar( true ),
 385         m_startupShaders( STARTUPSHADERS_NONE ),
 386         m_hideUnused( false ),
 387         m_rmbSelected( false ),
 388         m_searchedTags( false ),
 389         m_tags( false ),
 390         m_uniformTextureSize( 96 ){
 391 }
 392 };
 393
 394 void ( *TextureBrowser_textureSelected )( const char* shader );
 395
 396
 397 void TextureBrowser_updateScroll( TextureBrowser& textureBrowser );
 398
 399
 400 const char* TextureBrowser_getCommonShadersName(){
 401         const char* value = g_pGameDescription->getKeyValue( "common_shaders_name" );
 402         if ( !string_empty( value ) ) {
 403                 return value;
 404         }
 405         return "Common";
 406 }
 407
 408 const char* TextureBrowser_getCommonShadersDir(){
 409         const char* value = g_pGameDescription->getKeyValue( "common_shaders_dir" );
 410         if ( !string_empty( value ) ) {
 411                 return value;
 412         }
 413         return "common/";
 414 }
 415
 416 inline int TextureBrowser_fontHeight( TextureBrowser& textureBrowser ){
 417         return GlobalOpenGL().m_font->getPixelHeight();
 418 }
 419
 420 const char* TextureBrowser_GetSelectedShader( TextureBrowser& textureBrowser ){
 421         return textureBrowser.shader.c_str();
 422 }
 423
 424 void TextureBrowser_SetStatus( TextureBrowser& textureBrowser, const char* name ){
 425         IShader* shader = QERApp_Shader_ForName( name );
 426         qtexture_t* q = shader->getTexture();
 427         StringOutputStream strTex( 256 );
 428         strTex << name << " W: " << Unsigned( q->width ) << " H: " << Unsigned( q->height );
 429         shader->DecRef();
 430         g_pParentWnd->SetStatusText( g_pParentWnd->m_texture_status, strTex.c_str() );
 431 }
 432
 433 void TextureBrowser_Focus( TextureBrowser& textureBrowser, const char* name );
 434
 435 void TextureBrowser_SetSelectedShader( TextureBrowser& textureBrowser, const char* shader ){
 436         textureBrowser.shader = shader;
 437         TextureBrowser_SetStatus( textureBrowser, shader );
 438         TextureBrowser_Focus( textureBrowser, shader );
 439
 440         if ( FindTextureDialog_isOpen() ) {
 441                 FindTextureDialog_selectTexture( shader );
 442         }
 443
 444         // disable the menu item "shader info" if no shader was selected
 445         IShader* ishader = QERApp_Shader_ForName( shader );
 446         CopiedString filename = ishader->getShaderFileName();
 447
 448         if ( filename.empty() ) {
 449                 if ( textureBrowser.m_shader_info_item != NULL ) {
 450                         gtk_widget_set_sensitive( textureBrowser.m_shader_info_item, FALSE );
 451                 }
 452         }
 453         else {
 454                 gtk_widget_set_sensitive( textureBrowser.m_shader_info_item, TRUE );
 455         }
 456
 457         ishader->DecRef();
 458 }
 459
 460
 461 CopiedString g_TextureBrowser_currentDirectory;
 462
 463 /*
 464    ============================================================================
 465
 466    TEXTURE LAYOUT
 467
 468    TTimo: now based on a rundown through all the shaders
 469    NOTE: we expect the Active shaders count doesn't change during a Texture_StartPos .. Texture_NextPos cycle
 470    otherwise we may need to rely on a list instead of an array storage
 471    ============================================================================
 472  */
 473
 474 class TextureLayout
 475 {
 476 public:
 477 // texture layout functions
 478 // TTimo: now based on shaders
 479 int current_x, current_y, current_row;
 480 };
 481
 482 void Texture_StartPos( TextureLayout& layout ){
 483         layout.current_x = 8;
 484         layout.current_y = -8;
 485         layout.current_row = 0;
 486 }
 487
 488 void Texture_NextPos( TextureBrowser& textureBrowser, TextureLayout& layout, qtexture_t* current_texture, int *x, int *y ){
 489         qtexture_t* q = current_texture;
 490
 491         int nWidth = textureBrowser.getTextureWidth( q );
 492         int nHeight = textureBrowser.getTextureHeight( q );
 493         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
 494                 layout.current_x = 8;
 495                 layout.current_y -= layout.current_row + TextureBrowser_fontHeight( textureBrowser ) + 4;
 496                 layout.current_row = 0;
 497         }
 498
 499         *x = layout.current_x;
 500         *y = layout.current_y;
 501
 502         // Is our texture larger than the row? If so, grow the
 503         // row height to match it
 504
 505         if ( layout.current_row < nHeight ) {
 506                 layout.current_row = nHeight;
 507         }
 508
 509         // never go less than 96, or the names get all crunched up
 510         layout.current_x += nWidth < 96 ? 96 : nWidth;
 511         layout.current_x += 8;
 512 }
 513
 514 bool TextureSearch_IsShown( const char* name ){
 515         std::set<CopiedString>::iterator iter;
 516
 517         iter = GlobalTextureBrowser().m_found_shaders.find( name );
 518
 519         if ( iter == GlobalTextureBrowser().m_found_shaders.end() ) {
 520                 return false;
 521         }
 522         else {
 523                 return true;
 524         }
 525 }
 526
 527 // if texture_showinuse jump over non in-use textures
 528 bool Texture_IsShown( IShader* shader, bool show_shaders, bool hideUnused ){
 529         // filter missing shaders
 530         // ugly: filter on built-in fallback name after substitution
 531         if ( g_TextureBrowser_filterMissing ) {
 532                 if ( isMissing( shader->getTexture()->name ) ) {
 533                         return false;
 534                 }
 535         }
 536         // filter the fallback (notex/shadernotex) for missing shaders or editor image
 537         if ( g_TextureBrowser_filterFallback ) {
 538                 if ( isNotex( shader->getName() ) ) {
 539                         return false;
 540                 }
 541                 if ( isNotex( shader->getTexture()->name ) ) {
 542                         return false;
 543                 }
 544         }
 545
 546         if ( g_TextureBrowser_currentDirectory == "Untagged" ) {
 547                 std::set<CopiedString>::iterator iter;
 548
 549                 iter = GlobalTextureBrowser().m_found_shaders.find( shader->getName() );
 550
 551                 if ( iter == GlobalTextureBrowser().m_found_shaders.end() ) {
 552                         return false;
 553                 }
 554                 else {
 555                         return true;
 556                 }
 557         }
 558
 559         if ( !shader_equal_prefix( shader->getName(), "textures/" ) ) {
 560                 return false;
 561         }
 562
 563         if ( !show_shaders && !shader->IsDefault() ) {
 564                 return false;
 565         }
 566
 567         if ( hideUnused && !shader->IsInUse() ) {
 568                 return false;
 569         }
 570
 571         if ( GlobalTextureBrowser().m_searchedTags ) {
 572                 if ( !TextureSearch_IsShown( shader->getName() ) ) {
 573                         return false;
 574                 }
 575                 else {
 576                         return true;
 577                 }
 578         }
 579         else {
 580                 if ( TextureBrowser_showWads() )
 581                 {
 582                         if ( g_TextureBrowser_currentDirectory != ""
 583                                 && !string_equal( shader->getWadName(), g_TextureBrowser_currentDirectory.c_str() ) )
 584                         {
 585                                 return false;
 586                         }
 587                 }
 588                 else if ( !shader_equal_prefix( shader_get_textureName( shader->getName() ), g_TextureBrowser_currentDirectory.c_str() ) ) {
 589                         return false;
 590                 }
 591         }
 592
 593         return true;
 594 }
 595
 596 void TextureBrowser_heightChanged( TextureBrowser& textureBrowser ){
 597         textureBrowser.m_heightChanged = true;
 598
 599         TextureBrowser_updateScroll( textureBrowser );
 600         TextureBrowser_queueDraw( textureBrowser );
 601 }
 602
 603 void TextureBrowser_evaluateHeight( TextureBrowser& textureBrowser ){
 604         if ( textureBrowser.m_heightChanged ) {
 605                 textureBrowser.m_heightChanged = false;
 606
 607                 textureBrowser.m_nTotalHeight = 0;
 608
 609                 TextureLayout layout;
 610                 Texture_StartPos( layout );
 611                 for ( QERApp_ActiveShaders_IteratorBegin(); !QERApp_ActiveShaders_IteratorAtEnd(); QERApp_ActiveShaders_IteratorIncrement() )
 612                 {
 613                         IShader* shader = QERApp_ActiveShaders_IteratorCurrent();
 614
 615                         if ( !Texture_IsShown( shader, textureBrowser.m_showShaders, textureBrowser.m_hideUnused ) ) {
 616                                 continue;
 617                         }
 618
 619                         int x, y;
 620                         Texture_NextPos( textureBrowser, layout, shader->getTexture(), &x, &y );
 621                         textureBrowser.m_nTotalHeight = std::max( textureBrowser.m_nTotalHeight, abs( layout.current_y ) + TextureBrowser_fontHeight( textureBrowser ) + textureBrowser.getTextureHeight( shader->getTexture() ) + 4 );
 622                 }
 623         }
 624 }
 625
 626 int TextureBrowser_TotalHeight( TextureBrowser& textureBrowser ){
 627         TextureBrowser_evaluateHeight( textureBrowser );
 628         return textureBrowser.m_nTotalHeight;
 629 }
 630
 631 inline const int& min_int( const int& left, const int& right ){
 632         return std::min( left, right );
 633 }
 634
 635 void TextureBrowser_clampOriginY( TextureBrowser& textureBrowser ){
 636         if ( textureBrowser.originy > 0 ) {
 637                 textureBrowser.originy = 0;
 638         }
 639         int lower = min_int( textureBrowser.height - TextureBrowser_TotalHeight( textureBrowser ), 0 );
 640         if ( textureBrowser.originy < lower ) {
 641                 textureBrowser.originy = lower;
 642         }
 643 }
 644
 645 int TextureBrowser_getOriginY( TextureBrowser& textureBrowser ){
 646         if ( textureBrowser.m_originInvalid ) {
 647                 textureBrowser.m_originInvalid = false;
 648                 TextureBrowser_clampOriginY( textureBrowser );
 649                 TextureBrowser_updateScroll( textureBrowser );
 650         }
 651         return textureBrowser.originy;
 652 }
 653
 654 void TextureBrowser_setOriginY( TextureBrowser& textureBrowser, int originy ){
 655         textureBrowser.originy = originy;
 656         TextureBrowser_clampOriginY( textureBrowser );
 657         TextureBrowser_updateScroll( textureBrowser );
 658         TextureBrowser_queueDraw( textureBrowser );
 659 }
 660
 661
 662 Signal0 g_activeShadersChangedCallbacks;
 663
 664 void TextureBrowser_addActiveShadersChangedCallback( const SignalHandler& handler ){
 665         g_activeShadersChangedCallbacks.connectLast( handler );
 666 }
 667
 668 void TextureBrowser_constructTreeStore();
 669
 670 class ShadersObserver : public ModuleObserver
 671 {
 672 Signal0 m_realiseCallbacks;
 673 public:
 674 void realise(){
 675         m_realiseCallbacks();
 676         TextureBrowser_constructTreeStore();
 677 }
 678
 679 void unrealise(){
 680 }
 681
 682 void insert( const SignalHandler& handler ){
 683         m_realiseCallbacks.connectLast( handler );
 684 }
 685 };
 686
 687 namespace
 688 {
 689 ShadersObserver g_ShadersObserver;
 690 }
 691
 692 void TextureBrowser_addShadersRealiseCallback( const SignalHandler& handler ){
 693         g_ShadersObserver.insert( handler );
 694 }
 695
 696 void TextureBrowser_activeShadersChanged( TextureBrowser& textureBrowser ){
 697         TextureBrowser_heightChanged( textureBrowser );
 698         textureBrowser.m_originInvalid = true;
 699
 700         g_activeShadersChangedCallbacks();
 701 }
 702
 703 struct TextureBrowser_ShowScrollbar {
 704         static void Export(const TextureBrowser &self, const Callback<void(bool)> &returnz) {
 705                 returnz(self.m_showTextureScrollbar);
 706         }
 707
 708         static void Import(TextureBrowser &self, bool value) {
 709                 self.m_showTextureScrollbar = value;
 710                 if (self.m_texture_scroll) {
 711                         self.m_texture_scroll.visible(self.m_showTextureScrollbar);
 712                         TextureBrowser_updateScroll(self);
 713                 }
 714         }
 715 };
 716
 717
 718 /*
 719    ==============
 720    TextureBrowser_ShowDirectory
 721    relies on texture_directory global for the directory to use
 722    1) Load the shaders for the given directory
 723    2) Scan the remaining texture, load them and assign them a default shader (the "noshader" shader)
 724    NOTE: when writing a texture plugin, or some texture extensions, this function may need to be overriden, and made
 725    available through the IShaders interface
 726    NOTE: for texture window layout:
 727    all shaders are stored with alphabetical order after load
 728    previously loaded and displayed stuff is hidden, only in-use and newly loaded is shown
 729    ( the GL textures are not flushed though)
 730    ==============
 731  */
 732
 733 bool endswith( const char *haystack, const char *needle ){
 734         size_t lh = strlen( haystack );
 735         size_t ln = strlen( needle );
 736         if ( lh < ln ) {
 737                 return false;
 738         }
 739         return !memcmp( haystack + ( lh - ln ), needle, ln );
 740 }
 741
 742 bool texture_name_ignore( const char* name ){
 743         StringOutputStream strTemp( string_length( name ) );
 744         strTemp << LowerCase( name );
 745
 746         return
 747                 endswith( strTemp.c_str(), ".specular" ) ||
 748                 endswith( strTemp.c_str(), ".glow" ) ||
 749                 endswith( strTemp.c_str(), ".bump" ) ||
 750                 endswith( strTemp.c_str(), ".diffuse" ) ||
 751                 endswith( strTemp.c_str(), ".blend" ) ||
 752                 endswith( strTemp.c_str(), ".alpha" ) ||
 753                 endswith( strTemp.c_str(), "_alpha" ) ||
 754                 /* Quetoo */
 755                 endswith( strTemp.c_str(), "_h" ) ||
 756                 endswith( strTemp.c_str(), "_local" ) ||
 757                 endswith( strTemp.c_str(), "_nm" ) ||
 758                 endswith( strTemp.c_str(), "_s" ) ||
 759                 /* DarkPlaces */
 760                 endswith( strTemp.c_str(), "_bump" ) ||
 761                 endswith( strTemp.c_str(), "_glow" ) ||
 762                 endswith( strTemp.c_str(), "_gloss" ) ||
 763                 endswith( strTemp.c_str(), "_luma" ) ||
 764                 endswith( strTemp.c_str(), "_norm" ) ||
 765                 endswith( strTemp.c_str(), "_pants" ) ||
 766                 endswith( strTemp.c_str(), "_shirt" ) ||
 767                 endswith( strTemp.c_str(), "_reflect" ) ||
 768                 /* Unvanquished */
 769                 endswith( strTemp.c_str(), "_d" ) ||
 770                 endswith( strTemp.c_str(), "_n" ) ||
 771                 endswith( strTemp.c_str(), "_p" ) ||
 772                 endswith( strTemp.c_str(), "_g" ) ||
 773                 endswith( strTemp.c_str(), "_a" ) ||
 774                 0;
 775 }
 776
 777 class LoadShaderVisitor : public Archive::Visitor
 778 {
 779 public:
 780 void visit( const char* name ){
 781         IShader* shader = QERApp_Shader_ForName( CopiedString( StringRange( name, path_get_filename_base_end( name ) ) ).c_str() );
 782         shader->DecRef();
 783         shader->setWadName( g_TextureBrowser_currentDirectory.c_str() );
 784 }
 785 };
 786
 787 void TextureBrowser_SetHideUnused( TextureBrowser& textureBrowser, bool hideUnused );
 788
 789 ui::Widget g_page_textures{ui::null};
 790
 791 void TextureBrowser_toggleShow(){
 792         GroupDialog_showPage( g_page_textures );
 793 }
 794
 795
 796 void TextureBrowser_updateTitle(){
 797         GroupDialog_updatePageTitle( g_page_textures );
 798 }
 799
 800
 801 class TextureCategoryLoadShader
 802 {
 803 const char* m_directory;
 804 std::size_t& m_count;
 805 public:
 806 using func = void(const char *);
 807
 808 TextureCategoryLoadShader( const char* directory, std::size_t& count )
 809         : m_directory( directory ), m_count( count ){
 810         m_count = 0;
 811 }
 812
 813 void operator()( const char* name ) const {
 814         if ( shader_equal_prefix( name, "textures/" )
 815                  && shader_equal_prefix( name + string_length( "textures/" ), m_directory ) ) {
 816                 ++m_count;
 817                 // request the shader, this will load the texture if needed
 818                 // this Shader_ForName call is a kind of hack
 819                 IShader *pFoo = QERApp_Shader_ForName( name );
 820                 pFoo->DecRef();
 821         }
 822 }
 823 };
 824
 825 void TextureDirectory_loadTexture( const char* directory, const char* texture ){
 826         StringOutputStream name( 256 );
 827         name << directory << StringRange( texture, path_get_filename_base_end( texture ) );
 828
 829         if ( texture_name_ignore( name.c_str() ) ) {
 830                 return;
 831         }
 832
 833         if ( !shader_valid( name.c_str() ) ) {
 834                 globalOutputStream() << "Skipping invalid texture name: [" << name.c_str() << "]\n";
 835                 return;
 836         }
 837
 838         // if a texture is already in use to represent a shader, ignore it
 839         IShader* shader = QERApp_Shader_ForName( name.c_str() );
 840         shader->DecRef();
 841 }
 842
 843 typedef ConstPointerCaller<char, void(const char*), TextureDirectory_loadTexture> TextureDirectoryLoadTextureCaller;
 844
 845 class LoadTexturesByTypeVisitor : public ImageModules::Visitor
 846 {
 847 const char* m_dirstring;
 848 public:
 849 LoadTexturesByTypeVisitor( const char* dirstring )
 850         : m_dirstring( dirstring ){
 851 }
 852
 853 void visit( const char* minor, const _QERPlugImageTable& table ) const {
 854         GlobalFileSystem().forEachFile( m_dirstring, minor, TextureDirectoryLoadTextureCaller( m_dirstring ) );
 855 }
 856 };
 857
 858 void TextureBrowser_ShowDirectory( TextureBrowser& textureBrowser, const char* directory ){
 859         if ( TextureBrowser_showWads() ) {
 860                 g_TextureBrowser_currentDirectory = directory;
 861                 TextureBrowser_heightChanged( textureBrowser );
 862
 863                 Archive* archive = GlobalFileSystem().getArchive( directory );
 864                 if ( archive != nullptr )
 865                 {
 866                         LoadShaderVisitor visitor;
 867                         archive->forEachFile( Archive::VisitorFunc( visitor, Archive::eFiles, 0 ), "textures/" );
 868                 }
 869                 else if ( extension_equal_i( path_get_extension( directory ), "wad" ) )
 870                 {
 871                         globalErrorStream() << "Failed to load " << directory << "\n";
 872                 }
 873         }
 874         else
 875         {
 876                 g_TextureBrowser_currentDirectory = directory;
 877                 TextureBrowser_heightChanged( textureBrowser );
 878
 879                 std::size_t shaders_count;
 880                 GlobalShaderSystem().foreachShaderName(makeCallback( TextureCategoryLoadShader( directory, shaders_count ) ) );
 881                 globalOutputStream() << "Showing " << Unsigned( shaders_count ) << " shaders.\n";
 882
 883                 if ( g_pGameDescription->mGameType != "doom3" ) {
 884                         // load remaining texture files
 885
 886                         StringOutputStream dirstring( 64 );
 887                         dirstring << "textures/" << directory;
 888
 889                         Radiant_getImageModules().foreachModule( LoadTexturesByTypeVisitor( dirstring.c_str() ) );
 890                 }
 891         }
 892
 893         // we'll display the newly loaded textures + all the ones already in use
 894         TextureBrowser_SetHideUnused( textureBrowser, false );
 895
 896         TextureBrowser_updateTitle();
 897 }
 898
 899 void TextureBrowser_ShowTagSearchResult( TextureBrowser& textureBrowser, const char* directory ){
 900         g_TextureBrowser_currentDirectory = directory;
 901         TextureBrowser_heightChanged( textureBrowser );
 902
 903         std::size_t shaders_count;
 904         GlobalShaderSystem().foreachShaderName(makeCallback( TextureCategoryLoadShader( directory, shaders_count ) ) );
 905         globalOutputStream() << "Showing " << Unsigned( shaders_count ) << " shaders.\n";
 906
 907         if ( g_pGameDescription->mGameType != "doom3" ) {
 908                 // load remaining texture files
 909                 StringOutputStream dirstring( 64 );
 910                 dirstring << "textures/" << directory;
 911
 912                 {
 913                         LoadTexturesByTypeVisitor visitor( dirstring.c_str() );
 914                         Radiant_getImageModules().foreachModule( visitor );
 915                 }
 916         }
 917
 918         // we'll display the newly loaded textures + all the ones already in use
 919         TextureBrowser_SetHideUnused( textureBrowser, false );
 920 }
 921
 922
 923 bool TextureBrowser_hideUnused();
 924
 925 void TextureBrowser_hideUnusedExport( const Callback<void(bool)> & importer ){
 926         importer( TextureBrowser_hideUnused() );
 927 }
 928
 929 typedef FreeCaller<void(const Callback<void(bool)> &), TextureBrowser_hideUnusedExport> TextureBrowserHideUnusedExport;
 930
 931 void TextureBrowser_showShadersExport( const Callback<void(bool)> & importer ){
 932         importer( GlobalTextureBrowser().m_showShaders );
 933 }
 934
 935 typedef FreeCaller<void(const Callback<void(bool)> &), TextureBrowser_showShadersExport> TextureBrowserShowShadersExport;
 936
 937 void TextureBrowser_showShaderlistOnly( const Callback<void(bool)> & importer ){
 938         importer( g_TextureBrowser_shaderlistOnly );
 939 }
 940
 941 typedef FreeCaller<void(const Callback<void(bool)> &), TextureBrowser_showShaderlistOnly> TextureBrowserShowShaderlistOnlyExport;
 942
 943 void TextureBrowser_fixedSize( const Callback<void(bool)> & importer ){
 944         importer( g_TextureBrowser_fixedSize );
 945 }
 946
 947 typedef FreeCaller<void(const Callback<void(bool)> &), TextureBrowser_fixedSize> TextureBrowser_FixedSizeExport;
 948
 949 void TextureBrowser_filterMissing( const Callback<void(bool)> & importer ){
 950         importer( g_TextureBrowser_filterMissing );
 951 }
 952
 953 typedef FreeCaller<void(const Callback<void(bool)> &), TextureBrowser_filterMissing> TextureBrowser_filterMissingExport;
 954
 955 void TextureBrowser_filterFallback( const Callback<void(bool)> & importer ){
 956         importer( g_TextureBrowser_filterFallback );
 957 }
 958
 959 typedef FreeCaller<void(const Callback<void(bool)> &), TextureBrowser_filterFallback> TextureBrowser_filterFallbackExport;
 960
 961 void TextureBrowser_enableAlpha( const Callback<void(bool)> & importer ){
 962         importer( g_TextureBrowser_enableAlpha );
 963 }
 964
 965 typedef FreeCaller<void(const Callback<void(bool)> &), TextureBrowser_enableAlpha> TextureBrowser_enableAlphaExport;
 966
 967 void TextureBrowser_SetHideUnused( TextureBrowser& textureBrowser, bool hideUnused ){
 968         if ( hideUnused ) {
 969                 textureBrowser.m_hideUnused = true;
 970         }
 971         else
 972         {
 973                 textureBrowser.m_hideUnused = false;
 974         }
 975
 976         textureBrowser.m_hideunused_item.update();
 977
 978         TextureBrowser_heightChanged( textureBrowser );
 979         textureBrowser.m_originInvalid = true;
 980 }
 981
 982 void TextureBrowser_ShowStartupShaders( TextureBrowser& textureBrowser ){
 983         if ( textureBrowser.m_startupShaders == STARTUPSHADERS_COMMON ) {
 984                 TextureBrowser_ShowDirectory( textureBrowser, TextureBrowser_getCommonShadersDir() );
 985         }
 986 }
 987
 988
 989 //++timo NOTE: this is a mix of Shader module stuff and texture explorer
 990 // it might need to be split in parts or moved out .. dunno
 991 // scroll origin so the specified texture is completely on screen
 992 // if current texture is not displayed, nothing is changed
 993 void TextureBrowser_Focus( TextureBrowser& textureBrowser, const char* name ){
 994         TextureLayout layout;
 995         // scroll origin so the texture is completely on screen
 996         Texture_StartPos( layout );
 997
 998         for ( QERApp_ActiveShaders_IteratorBegin(); !QERApp_ActiveShaders_IteratorAtEnd(); QERApp_ActiveShaders_IteratorIncrement() )
 999         {
1000                 IShader* shader = QERApp_ActiveShaders_IteratorCurrent();
1001
1002                 if ( !Texture_IsShown( shader, textureBrowser.m_showShaders, textureBrowser.m_hideUnused ) ) {
1003                         continue;
1004                 }
1005
1006                 int x, y;
1007                 Texture_NextPos( textureBrowser, layout, shader->getTexture(), &x, &y );
1008                 qtexture_t* q = shader->getTexture();
1009                 if ( !q ) {
1010                         break;
1011                 }
1012
1013                 // we have found when texdef->name and the shader name match
1014                 // NOTE: as everywhere else for our comparisons, we are not case sensitive
1015                 if ( shader_equal( name, shader->getName() ) ) {
1016                         int textureHeight = (int)( q->height * ( (float)textureBrowser.m_textureScale / 100 ) )
1017                                                                 + 2 * TextureBrowser_fontHeight( textureBrowser );
1018
1019                         int originy = TextureBrowser_getOriginY( textureBrowser );
1020                         if ( y > originy ) {
1021                                 originy = y;
1022                         }
1023
1024                         if ( y - textureHeight < originy - textureBrowser.height ) {
1025                                 originy = ( y - textureHeight ) + textureBrowser.height;
1026                         }
1027
1028                         TextureBrowser_setOriginY( textureBrowser, originy );
1029                         return;
1030                 }
1031         }
1032 }
1033
1034 IShader* Texture_At( TextureBrowser& textureBrowser, int mx, int my ){
1035         my += TextureBrowser_getOriginY( textureBrowser ) - textureBrowser.height;
1036
1037         TextureLayout layout;
1038         Texture_StartPos( layout );
1039         for ( QERApp_ActiveShaders_IteratorBegin(); !QERApp_ActiveShaders_IteratorAtEnd(); QERApp_ActiveShaders_IteratorIncrement() )
1040         {
1041                 IShader* shader = QERApp_ActiveShaders_IteratorCurrent();
1042
1043                 if ( !Texture_IsShown( shader, textureBrowser.m_showShaders, textureBrowser.m_hideUnused ) ) {
1044                         continue;
1045                 }
1046
1047                 int x, y;
1048                 Texture_NextPos( textureBrowser, layout, shader->getTexture(), &x, &y );
1049                 qtexture_t  *q = shader->getTexture();
1050                 if ( !q ) {
1051                         break;
1052                 }
1053
1054                 int nWidth = textureBrowser.getTextureWidth( q );
1055                 int nHeight = textureBrowser.getTextureHeight( q );
1056                 if ( mx > x && mx - x < nWidth
1057                          && my < y && y - my < nHeight + TextureBrowser_fontHeight( textureBrowser ) ) {
1058                         return shader;
1059                 }
1060         }
1061
1062         return 0;
1063 }
1064
1065 /*
1066    ==============
1067    SelectTexture
1068
1069    By mouse click
1070    ==============
1071  */
1072 void SelectTexture( TextureBrowser& textureBrowser, int mx, int my, bool bShift ){
1073         IShader* shader = Texture_At( textureBrowser, mx, my );
1074         if ( shader != 0 ) {
1075                 if ( bShift ) {
1076                         if ( shader->IsDefault() ) {
1077                                 globalOutputStream() << "ERROR: " << shader->getName() << " is not a shader, it's a texture.\n";
1078                         }
1079                         else{
1080                                 ViewShader( shader->getShaderFileName(), shader->getName() );
1081                         }
1082                 }
1083                 else
1084                 {
1085                         TextureBrowser_SetSelectedShader( textureBrowser, shader->getName() );
1086                         TextureBrowser_textureSelected( shader->getName() );
1087
1088                         if ( !FindTextureDialog_isOpen() && !textureBrowser.m_rmbSelected ) {
1089                                 UndoableCommand undo( "textureNameSetSelected" );
1090                                 Select_SetShader( shader->getName() );
1091                         }
1092                 }
1093         }
1094 }
1095
1096 /*
1097    ============================================================================
1098
1099    MOUSE ACTIONS
1100
1101    ============================================================================
1102  */
1103
1104 void TextureBrowser_trackingDelta( int x, int y, unsigned int state, void* data ){
1105         TextureBrowser& textureBrowser = *reinterpret_cast<TextureBrowser*>( data );
1106         if ( y != 0 ) {
1107                 int scale = 1;
1108
1109                 if ( state & GDK_SHIFT_MASK ) {
1110                         scale = 4;
1111                 }
1112
1113                 int originy = TextureBrowser_getOriginY( textureBrowser );
1114                 originy += y * scale;
1115                 TextureBrowser_setOriginY( textureBrowser, originy );
1116         }
1117 }
1118
1119 void TextureBrowser_Tracking_MouseDown( TextureBrowser& textureBrowser ){
1120         textureBrowser.m_freezePointer.freeze_pointer( textureBrowser.m_gl_widget, TextureBrowser_trackingDelta, &textureBrowser );
1121 }
1122
1123 void TextureBrowser_Tracking_MouseUp( TextureBrowser& textureBrowser ){
1124         textureBrowser.m_freezePointer.unfreeze_pointer( textureBrowser.m_gl_widget );
1125 }
1126
1127 void TextureBrowser_Selection_MouseDown( TextureBrowser& textureBrowser, guint32 flags, int pointx, int pointy ){
1128         SelectTexture( textureBrowser, pointx, textureBrowser.height - 1 - pointy, ( flags & GDK_SHIFT_MASK ) != 0 );
1129 }
1130
1131 /*
1132    ============================================================================
1133
1134    DRAWING
1135
1136    ============================================================================
1137  */
1138
1139 /*
1140    ============
1141    Texture_Draw
1142    TTimo: relying on the shaders list to display the textures
1143    we must query all qtexture_t* to manage and display through the IShaders interface
1144    this allows a plugin to completely override the texture system
1145    ============
1146  */
1147 void Texture_Draw( TextureBrowser& textureBrowser ){
1148         int originy = TextureBrowser_getOriginY( textureBrowser );
1149
1150         glClearColor( textureBrowser.color_textureback[0],
1151                                   textureBrowser.color_textureback[1],
1152                                   textureBrowser.color_textureback[2],
1153                                   0 );
1154
1155         glViewport( 0, 0, textureBrowser.width, textureBrowser.height );
1156         glMatrixMode( GL_PROJECTION );
1157         glLoadIdentity();
1158
1159         glClear( GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT );
1160         glDisable( GL_DEPTH_TEST );
1161         if ( g_TextureBrowser_enableAlpha ) {
1162                 glEnable( GL_BLEND );
1163                 glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
1164         }
1165         else {
1166                 glDisable( GL_BLEND );
1167         }
1168         glOrtho( 0, textureBrowser.width, originy - textureBrowser.height, originy, -100, 100 );
1169         glEnable( GL_TEXTURE_2D );
1170
1171         glPolygonMode( GL_FRONT_AND_BACK, GL_FILL );
1172
1173         int last_y = 0, last_height = 0;
1174
1175         TextureLayout layout;
1176         Texture_StartPos( layout );
1177         for ( QERApp_ActiveShaders_IteratorBegin(); !QERApp_ActiveShaders_IteratorAtEnd(); QERApp_ActiveShaders_IteratorIncrement() )
1178         {
1179                 IShader* shader = QERApp_ActiveShaders_IteratorCurrent();
1180
1181                 if ( !Texture_IsShown( shader, textureBrowser.m_showShaders, textureBrowser.m_hideUnused ) ) {
1182                         continue;
1183                 }
1184
1185                 int x, y;
1186                 Texture_NextPos( textureBrowser, layout, shader->getTexture(), &x, &y );
1187                 qtexture_t *q = shader->getTexture();
1188                 if ( !q ) {
1189                         break;
1190                 }
1191
1192                 int nWidth = textureBrowser.getTextureWidth( q );
1193                 int nHeight = textureBrowser.getTextureHeight( q );
1194
1195                 if ( y != last_y ) {
1196                         last_y = y;
1197                         last_height = 0;
1198                 }
1199                 last_height = std::max( nHeight, last_height );
1200
1201                 // Is this texture visible?
1202                 if ( ( y - nHeight - TextureBrowser_fontHeight( textureBrowser ) < originy )
1203                          && ( y > originy - textureBrowser.height ) ) {
1204                         // borders rules:
1205                         // if it's the current texture, draw a thick red line, else:
1206                         // shaders have a white border, simple textures don't
1207                         // if !texture_showinuse: (some textures displayed may not be in use)
1208                         // draw an additional square around with 0.5 1 0.5 color
1209                         if ( shader_equal( TextureBrowser_GetSelectedShader( textureBrowser ), shader->getName() ) ) {
1210                                 glLineWidth( 3 );
1211                                 if ( textureBrowser.m_rmbSelected ) {
1212                                         glColor3f( 0,0,1 );
1213                                 }
1214                                 else {
1215                                         glColor3f( 1,0,0 );
1216                                 }
1217                                 glDisable( GL_TEXTURE_2D );
1218
1219                                 glBegin( GL_LINE_LOOP );
1220                                 glVertex2i( x - 4,y - TextureBrowser_fontHeight( textureBrowser ) + 4 );
1221                                 glVertex2i( x - 4,y - TextureBrowser_fontHeight( textureBrowser ) - nHeight - 4 );
1222                                 glVertex2i( x + 4 + nWidth,y - TextureBrowser_fontHeight( textureBrowser ) - nHeight - 4 );
1223                                 glVertex2i( x + 4 + nWidth,y - TextureBrowser_fontHeight( textureBrowser ) + 4 );
1224                                 glEnd();
1225
1226                                 glEnable( GL_TEXTURE_2D );
1227                                 glLineWidth( 1 );
1228                         }
1229                         else
1230                         {
1231                                 glLineWidth( 1 );
1232                                 // shader border:
1233                                 if ( !shader->IsDefault() ) {
1234                                         glColor3f( 1,1,1 );
1235                                         glDisable( GL_TEXTURE_2D );
1236
1237                                         glBegin( GL_LINE_LOOP );
1238                                         glVertex2i( x - 1,y + 1 - TextureBrowser_fontHeight( textureBrowser ) );
1239                                         glVertex2i( x - 1,y - nHeight - 1 - TextureBrowser_fontHeight( textureBrowser ) );
1240                                         glVertex2i( x + 1 + nWidth,y - nHeight - 1 - TextureBrowser_fontHeight( textureBrowser ) );
1241                                         glVertex2i( x + 1 + nWidth,y + 1 - TextureBrowser_fontHeight( textureBrowser ) );
1242                                         glEnd();
1243                                         glEnable( GL_TEXTURE_2D );
1244                                 }
1245
1246                                 // highlight in-use textures
1247                                 if ( !textureBrowser.m_hideUnused && shader->IsInUse() ) {
1248                                         glColor3f( 0.5,1,0.5 );
1249                                         glDisable( GL_TEXTURE_2D );
1250                                         glBegin( GL_LINE_LOOP );
1251                                         glVertex2i( x - 3,y + 3 - TextureBrowser_fontHeight( textureBrowser ) );
1252                                         glVertex2i( x - 3,y - nHeight - 3 - TextureBrowser_fontHeight( textureBrowser ) );
1253                                         glVertex2i( x + 3 + nWidth,y - nHeight - 3 - TextureBrowser_fontHeight( textureBrowser ) );
1254                                         glVertex2i( x + 3 + nWidth,y + 3 - TextureBrowser_fontHeight( textureBrowser ) );
1255                                         glEnd();
1256                                         glEnable( GL_TEXTURE_2D );
1257                                 }
1258                         }
1259
1260                         // draw checkerboard for transparent textures
1261                         if ( g_TextureBrowser_enableAlpha )
1262                         {
1263                                 glDisable( GL_TEXTURE_2D );
1264                                 glBegin( GL_QUADS );
1265                                 int font_height = TextureBrowser_fontHeight( textureBrowser );
1266                                 for ( int i = 0; i < nHeight; i += 8 )
1267                                 {
1268                                         for ( int j = 0; j < nWidth; j += 8 )
1269                                         {
1270                                                 unsigned char color = (i + j) / 8 % 2 ? 0x66 : 0x99;
1271                                                 glColor3ub( color, color, color );
1272                                                 int left = j;
1273                                                 int right = std::min(j+8, nWidth);
1274                                                 int top = i;
1275                                                 int bottom = std::min(i+8, nHeight);
1276                                                 glVertex2i(x + right, y - nHeight - font_height + top);
1277                                                 glVertex2i(x + left,  y - nHeight - font_height + top);
1278                                                 glVertex2i(x + left,  y - nHeight - font_height + bottom);
1279                                                 glVertex2i(x + right, y - nHeight - font_height + bottom);
1280                                         }
1281                                 }
1282                                 glEnd();
1283                                 glEnable( GL_TEXTURE_2D );
1284                         }
1285
1286                         // Draw the texture
1287                         glBindTexture( GL_TEXTURE_2D, q->texture_number );
1288                         GlobalOpenGL_debugAssertNoErrors();
1289                         glColor3f( 1,1,1 );
1290                         glBegin( GL_QUADS );
1291                         glTexCoord2i( 0,0 );
1292                         glVertex2i( x,y - TextureBrowser_fontHeight( textureBrowser ) );
1293                         glTexCoord2i( 1,0 );
1294                         glVertex2i( x + nWidth,y - TextureBrowser_fontHeight( textureBrowser ) );
1295                         glTexCoord2i( 1,1 );
1296                         glVertex2i( x + nWidth,y - TextureBrowser_fontHeight( textureBrowser ) - nHeight );
1297                         glTexCoord2i( 0,1 );
1298                         glVertex2i( x,y - TextureBrowser_fontHeight( textureBrowser ) - nHeight );
1299                         glEnd();
1300
1301                         // draw the texture name
1302                         glDisable( GL_TEXTURE_2D );
1303                         glColor3f( 1,1,1 );
1304
1305                         glRasterPos2i( x, y - TextureBrowser_fontHeight( textureBrowser ) + 5 );
1306
1307                         // don't draw the directory name
1308                         const char* name = shader->getName();
1309                         name += strlen( name );
1310                         while ( name != shader->getName() && *( name - 1 ) != '/' && *( name - 1 ) != '\\' )
1311                                 name--;
1312
1313                         GlobalOpenGL().drawString( name );
1314                         glEnable( GL_TEXTURE_2D );
1315                 }
1316
1317                 //int totalHeight = abs(y) + last_height + TextureBrowser_fontHeight(textureBrowser) + 4;
1318         }
1319
1320
1321         // reset the current texture
1322         glBindTexture( GL_TEXTURE_2D, 0 );
1323         //qglFinish();
1324 }
1325
1326 void TextureBrowser_queueDraw( TextureBrowser& textureBrowser ){
1327         if ( textureBrowser.m_gl_widget ) {
1328                 gtk_widget_queue_draw( textureBrowser.m_gl_widget );
1329         }
1330 }
1331
1332
1333 void TextureBrowser_setScale( TextureBrowser& textureBrowser, std::size_t scale ){
1334         textureBrowser.m_textureScale = scale;
1335
1336         TextureBrowser_queueDraw( textureBrowser );
1337 }
1338
1339 void TextureBrowser_setUniformSize( TextureBrowser& textureBrowser, std::size_t scale ){
1340         textureBrowser.m_uniformTextureSize = scale;
1341
1342         TextureBrowser_queueDraw( textureBrowser );
1343 }
1344
1345
1346 void TextureBrowser_MouseWheel( TextureBrowser& textureBrowser, bool bUp ){
1347         int originy = TextureBrowser_getOriginY( textureBrowser );
1348
1349         if ( bUp ) {
1350                 originy += int(textureBrowser.m_mouseWheelScrollIncrement);
1351         }
1352         else
1353         {
1354                 originy -= int(textureBrowser.m_mouseWheelScrollIncrement);
1355         }
1356
1357         TextureBrowser_setOriginY( textureBrowser, originy );
1358 }
1359
1360 XmlTagBuilder TagBuilder;
1361
1362 enum
1363 {
1364         TAG_COLUMN,
1365         N_COLUMNS
1366 };
1367
1368 void BuildStoreAssignedTags( ui::ListStore store, const char* shader, TextureBrowser* textureBrowser ){
1369         GtkTreeIter iter;
1370
1371         store.clear();
1372
1373         std::vector<CopiedString> assigned_tags;
1374         TagBuilder.GetShaderTags( shader, assigned_tags );
1375
1376         for ( size_t i = 0; i < assigned_tags.size(); i++ )
1377         {
1378                 store.append(TAG_COLUMN, assigned_tags[i].c_str());
1379         }
1380 }
1381
1382 void BuildStoreAvailableTags(   ui::ListStore storeAvailable,
1383                                                                 ui::ListStore storeAssigned,
1384                                                                 const std::set<CopiedString>& allTags,
1385                                                                 TextureBrowser* textureBrowser ){
1386         GtkTreeIter iterAssigned;
1387         GtkTreeIter iterAvailable;
1388         std::set<CopiedString>::const_iterator iterAll;
1389         gchar* tag_assigned;
1390
1391         storeAvailable.clear();
1392
1393         bool row = gtk_tree_model_get_iter_first(storeAssigned, &iterAssigned ) != 0;
1394
1395         if ( !row ) { // does the shader have tags assigned?
1396                 for ( iterAll = allTags.begin(); iterAll != allTags.end(); ++iterAll )
1397                 {
1398                         storeAvailable.append(TAG_COLUMN, (*iterAll).c_str());
1399                 }
1400         }
1401         else
1402         {
1403                 while ( row ) // available tags = all tags - assigned tags
1404                 {
1405                         gtk_tree_model_get(storeAssigned, &iterAssigned, TAG_COLUMN, &tag_assigned, -1 );
1406
1407                         for ( iterAll = allTags.begin(); iterAll != allTags.end(); ++iterAll )
1408                         {
1409                                 if ( strcmp( (char*)tag_assigned, ( *iterAll ).c_str() ) != 0 ) {
1410                                         storeAvailable.append(TAG_COLUMN, (*iterAll).c_str());
1411                                 }
1412                                 else
1413                                 {
1414                                         row = gtk_tree_model_iter_next(storeAssigned, &iterAssigned ) != 0;
1415
1416                                         if ( row ) {
1417                                                 gtk_tree_model_get(storeAssigned, &iterAssigned, TAG_COLUMN, &tag_assigned, -1 );
1418                                         }
1419                                 }
1420                         }
1421                 }
1422         }
1423 }
1424
1425 gboolean TextureBrowser_button_press( ui::Widget widget, GdkEventButton* event, TextureBrowser* textureBrowser ){
1426         if ( event->type == GDK_BUTTON_PRESS ) {
1427                 if ( event->button == 3 ) {
1428                         if ( textureBrowser->m_tags ) {
1429                                 textureBrowser->m_rmbSelected = true;
1430                                 TextureBrowser_Selection_MouseDown( *textureBrowser, event->state, static_cast<int>( event->x ), static_cast<int>( event->y ) );
1431
1432                                 BuildStoreAssignedTags( textureBrowser->m_assigned_store, textureBrowser->shader.c_str(), textureBrowser );
1433                                 BuildStoreAvailableTags( textureBrowser->m_available_store, textureBrowser->m_assigned_store, textureBrowser->m_all_tags, textureBrowser );
1434                                 textureBrowser->m_heightChanged = true;
1435                                 textureBrowser->m_tag_frame.show();
1436
1437                 ui::process();
1438
1439                                 TextureBrowser_Focus( *textureBrowser, textureBrowser->shader.c_str() );
1440                         }
1441                         else
1442                         {
1443                                 TextureBrowser_Tracking_MouseDown( *textureBrowser );
1444                         }
1445                 }
1446                 else if ( event->button == 1 ) {
1447                         TextureBrowser_Selection_MouseDown( *textureBrowser, event->state, static_cast<int>( event->x ), static_cast<int>( event->y ) );
1448
1449                         if ( textureBrowser->m_tags ) {
1450                                 textureBrowser->m_rmbSelected = false;
1451                                 textureBrowser->m_tag_frame.hide();
1452                         }
1453                 }
1454         }
1455         return FALSE;
1456 }
1457
1458 gboolean TextureBrowser_button_release( ui::Widget widget, GdkEventButton* event, TextureBrowser* textureBrowser ){
1459         if ( event->type == GDK_BUTTON_RELEASE ) {
1460                 if ( event->button == 3 ) {
1461                         if ( !textureBrowser->m_tags ) {
1462                                 TextureBrowser_Tracking_MouseUp( *textureBrowser );
1463                         }
1464                 }
1465         }
1466         return FALSE;
1467 }
1468
1469 gboolean TextureBrowser_motion( ui::Widget widget, GdkEventMotion *event, TextureBrowser* textureBrowser ){
1470         return FALSE;
1471 }
1472
1473 gboolean TextureBrowser_scroll( ui::Widget widget, GdkEventScroll* event, TextureBrowser* textureBrowser ){
1474         if ( event->direction == GDK_SCROLL_UP ) {
1475                 TextureBrowser_MouseWheel( *textureBrowser, true );
1476         }
1477         else if ( event->direction == GDK_SCROLL_DOWN ) {
1478                 TextureBrowser_MouseWheel( *textureBrowser, false );
1479         }
1480         return FALSE;
1481 }
1482
1483 void TextureBrowser_scrollChanged( void* data, gdouble value ){
1484         //globalOutputStream() << "vertical scroll\n";
1485         TextureBrowser_setOriginY( *reinterpret_cast<TextureBrowser*>( data ), -(int)value );
1486 }
1487
1488 static void TextureBrowser_verticalScroll(ui::Adjustment adjustment, TextureBrowser* textureBrowser ){
1489         textureBrowser->m_scrollAdjustment.value_changed( gtk_adjustment_get_value(adjustment) );
1490 }
1491
1492 void TextureBrowser_updateScroll( TextureBrowser& textureBrowser ){
1493         if ( textureBrowser.m_showTextureScrollbar ) {
1494                 int totalHeight = TextureBrowser_TotalHeight( textureBrowser );
1495
1496                 totalHeight = std::max( totalHeight, textureBrowser.height );
1497
1498         auto vadjustment = gtk_range_get_adjustment( GTK_RANGE( textureBrowser.m_texture_scroll ) );
1499
1500                 gtk_adjustment_set_value(vadjustment, -TextureBrowser_getOriginY( textureBrowser ));
1501                 gtk_adjustment_set_page_size(vadjustment, textureBrowser.height);
1502                 gtk_adjustment_set_page_increment(vadjustment, textureBrowser.height / 2);
1503                 gtk_adjustment_set_step_increment(vadjustment, 20);
1504                 gtk_adjustment_set_lower(vadjustment, 0);
1505                 gtk_adjustment_set_upper(vadjustment, totalHeight);
1506
1507                 g_signal_emit_by_name( G_OBJECT( vadjustment ), "changed" );
1508         }
1509 }
1510
1511 gboolean TextureBrowser_size_allocate( ui::Widget widget, GtkAllocation* allocation, TextureBrowser* textureBrowser ){
1512         textureBrowser->width = allocation->width;
1513         textureBrowser->height = allocation->height;
1514         TextureBrowser_heightChanged( *textureBrowser );
1515         textureBrowser->m_originInvalid = true;
1516         TextureBrowser_queueDraw( *textureBrowser );
1517         return FALSE;
1518 }
1519
1520 gboolean TextureBrowser_expose( ui::Widget widget, GdkEventExpose* event, TextureBrowser* textureBrowser ){
1521         if ( glwidget_make_current( textureBrowser->m_gl_widget ) != FALSE ) {
1522                 GlobalOpenGL_debugAssertNoErrors();
1523                 TextureBrowser_evaluateHeight( *textureBrowser );
1524                 Texture_Draw( *textureBrowser );
1525                 GlobalOpenGL_debugAssertNoErrors();
1526                 glwidget_swap_buffers( textureBrowser->m_gl_widget );
1527         }
1528         return FALSE;
1529 }
1530
1531 TextureBrowser& GlobalTextureBrowser(){
1532         static TextureBrowser textureBrowser;
1533         return textureBrowser;
1534 }
1535
1536 bool TextureBrowser_hideUnused(){
1537         return GlobalTextureBrowser().m_hideUnused;
1538 }
1539
1540 void TextureBrowser_ToggleHideUnused(){
1541         TextureBrowser &textureBrowser = GlobalTextureBrowser();
1542         if ( textureBrowser.m_hideUnused ) {
1543                 TextureBrowser_SetHideUnused( textureBrowser, false );
1544         }
1545         else
1546         {
1547                 TextureBrowser_SetHideUnused( textureBrowser, true );
1548         }
1549 }
1550
1551 const char* TextureGroups_transformDirName( const char* dirName, StringOutputStream *archiveName )
1552 {
1553         if ( TextureBrowser_showWads() ) {
1554                 archiveName->clear();
1555                 *archiveName << StringRange( path_get_filename_start( dirName ), path_get_filename_base_end( dirName ) ) \
1556                         << "." << path_get_extension( dirName );
1557                 return archiveName->c_str();
1558         }
1559         return dirName;
1560 }
1561
1562 void TextureGroups_constructTreeModel( TextureGroups groups, ui::TreeStore store ){
1563         // put the information from the old textures menu into a treeview
1564         GtkTreeIter iter, child;
1565
1566         TextureGroups::const_iterator i = groups.begin();
1567         while ( i != groups.end() )
1568         {
1569                 StringOutputStream archiveName;
1570                 StringOutputStream nextArchiveName;
1571                 const char* dirName = TextureGroups_transformDirName( ( *i ).c_str(), &archiveName );
1572
1573                 const char* firstUnderscore = strchr( dirName, '_' );
1574                 StringRange dirRoot( dirName, ( firstUnderscore == 0 ) ? dirName : firstUnderscore + 1 );
1575
1576                 TextureGroups::const_iterator next = i;
1577                 ++next;
1578
1579                 if ( firstUnderscore != 0
1580                          && next != groups.end()
1581                          && string_equal_start( TextureGroups_transformDirName( ( *next ).c_str(), &nextArchiveName ), dirRoot ) ) {
1582                         gtk_tree_store_append( store, &iter, NULL );
1583                         gtk_tree_store_set( store, &iter, 0, CopiedString( StringRange( dirName, firstUnderscore ) ).c_str(), -1 );
1584
1585                         // keep going...
1586                         while ( i != groups.end() && string_equal_start( TextureGroups_transformDirName( ( *i ).c_str(), &nextArchiveName ), dirRoot ) )
1587                         {
1588                                 gtk_tree_store_append( store, &child, &iter );
1589                                 gtk_tree_store_set( store, &child, 0, TextureGroups_transformDirName( ( *i ).c_str(), &nextArchiveName ), -1 );
1590                                 ++i;
1591                         }
1592                 }
1593                 else
1594                 {
1595                         gtk_tree_store_append( store, &iter, NULL );
1596                         gtk_tree_store_set( store, &iter, 0, dirName, -1 );
1597                         ++i;
1598                 }
1599         }
1600 }
1601
1602 TextureGroups TextureGroups_constructTreeView(){
1603         TextureGroups groups;
1604
1605         if ( TextureBrowser_showWads() ) {
1606                 GlobalFileSystem().forEachArchive( TextureGroupsAddWadCaller( groups ) );
1607         }
1608         else
1609         {
1610                 // scan texture dirs and pak files only if not restricting to shaderlist
1611                 if ( g_pGameDescription->mGameType != "doom3" && !g_TextureBrowser_shaderlistOnly ) {
1612                         GlobalFileSystem().forEachDirectory( "textures/", TextureGroupsAddDirectoryCaller( groups ) );
1613                 }
1614
1615                 GlobalShaderSystem().foreachShaderName( TextureGroupsAddShaderCaller( groups ) );
1616         }
1617
1618         return groups;
1619 }
1620
1621 void TextureBrowser_constructTreeStore(){
1622         TextureGroups groups = TextureGroups_constructTreeView();
1623         auto store = ui::TreeStore::from(gtk_tree_store_new( 1, G_TYPE_STRING ));
1624         TextureGroups_constructTreeModel( groups, store );
1625
1626         gtk_tree_view_set_model(GlobalTextureBrowser().m_treeViewTree, store);
1627
1628         g_object_unref( G_OBJECT( store ) );
1629 }
1630
1631 void TextureBrowser_constructTreeStoreTags(){
1632         TextureGroups groups;
1633         TextureBrowser &textureBrowser = GlobalTextureBrowser();
1634         auto store = ui::TreeStore::from(gtk_tree_store_new( 1, G_TYPE_STRING ));
1635         auto model = GlobalTextureBrowser().m_all_tags_list;
1636
1637         gtk_tree_view_set_model(GlobalTextureBrowser().m_treeViewTags, model );
1638
1639         g_object_unref( G_OBJECT( store ) );
1640 }
1641
1642 void TreeView_onRowActivated( ui::TreeView treeview, ui::TreePath path, ui::TreeViewColumn col, gpointer userdata ){
1643         GtkTreeIter iter;
1644
1645     auto model = gtk_tree_view_get_model(treeview );
1646
1647         if ( gtk_tree_model_get_iter( model, &iter, path ) ) {
1648                 gchar dirName[1024];
1649
1650                 gchar* buffer;
1651                 gtk_tree_model_get( model, &iter, 0, &buffer, -1 );
1652                 strcpy( dirName, buffer );
1653                 g_free( buffer );
1654
1655                 GlobalTextureBrowser().m_searchedTags = false;
1656
1657                 if ( !TextureBrowser_showWads() ) {
1658                         strcat( dirName, "/" );
1659                 }
1660
1661                 ScopeDisableScreenUpdates disableScreenUpdates( dirName, "Loading Textures" );
1662                 TextureBrowser_ShowDirectory( GlobalTextureBrowser(), dirName );
1663                 TextureBrowser_queueDraw( GlobalTextureBrowser() );
1664         }
1665 }
1666
1667 void TextureBrowser_createTreeViewTree(){
1668         TextureBrowser &textureBrowser = GlobalTextureBrowser();
1669         gtk_tree_view_set_enable_search(textureBrowser.m_treeViewTree, FALSE );
1670
1671         gtk_tree_view_set_headers_visible(textureBrowser.m_treeViewTree, FALSE );
1672         textureBrowser.m_treeViewTree.connect( "row-activated", (GCallback) TreeView_onRowActivated, NULL );
1673
1674         auto renderer = ui::CellRendererText(ui::New);
1675         gtk_tree_view_insert_column_with_attributes(textureBrowser.m_treeViewTree, -1, "", renderer, "text", 0, NULL );
1676
1677         TextureBrowser_constructTreeStore();
1678 }
1679
1680 void TextureBrowser_addTag();
1681
1682 void TextureBrowser_renameTag();
1683
1684 void TextureBrowser_deleteTag();
1685
1686 void TextureBrowser_createContextMenu( ui::Widget treeview, GdkEventButton *event ){
1687         ui::Widget menu = ui::Menu(ui::New);
1688
1689         ui::Widget menuitem = ui::MenuItem( "Add tag" );
1690         menuitem.connect( "activate", (GCallback)TextureBrowser_addTag, treeview );
1691         gtk_menu_shell_append( GTK_MENU_SHELL( menu ), menuitem );
1692
1693         menuitem = ui::MenuItem( "Rename tag" );
1694         menuitem.connect( "activate", (GCallback)TextureBrowser_renameTag, treeview );
1695         gtk_menu_shell_append( GTK_MENU_SHELL( menu ), menuitem );
1696
1697         menuitem = ui::MenuItem( "Delete tag" );
1698         menuitem.connect( "activate", (GCallback)TextureBrowser_deleteTag, treeview );
1699         gtk_menu_shell_append( GTK_MENU_SHELL( menu ), menuitem );
1700
1701         gtk_widget_show_all( menu );
1702
1703         gtk_menu_popup( GTK_MENU( menu ), NULL, NULL, NULL, NULL,
1704                                         ( event != NULL ) ? event->button : 0,
1705                                         gdk_event_get_time( (GdkEvent*)event ) );
1706 }
1707
1708 gboolean TreeViewTags_onButtonPressed( ui::TreeView treeview, GdkEventButton *event ){
1709         if ( event->type == GDK_BUTTON_PRESS && event->button == 3 ) {
1710                 GtkTreePath *path;
1711         auto selection = gtk_tree_view_get_selection(treeview );
1712
1713                 if ( gtk_tree_view_get_path_at_pos(treeview, event->x, event->y, &path, NULL, NULL, NULL ) ) {
1714                         gtk_tree_selection_unselect_all( selection );
1715                         gtk_tree_selection_select_path( selection, path );
1716                         gtk_tree_path_free( path );
1717                 }
1718
1719                 TextureBrowser_createContextMenu( treeview, event );
1720                 return TRUE;
1721         }
1722         return FALSE;
1723 }
1724
1725 void TextureBrowser_createTreeViewTags(){
1726         TextureBrowser &textureBrowser = GlobalTextureBrowser();
1727         textureBrowser.m_treeViewTags = ui::TreeView(ui::New);
1728         gtk_tree_view_set_enable_search(textureBrowser.m_treeViewTags, FALSE );
1729
1730         textureBrowser.m_treeViewTags.connect( "button-press-event", (GCallback)TreeViewTags_onButtonPressed, NULL );
1731
1732         gtk_tree_view_set_headers_visible(textureBrowser.m_treeViewTags, FALSE );
1733
1734         auto renderer = ui::CellRendererText(ui::New);
1735         gtk_tree_view_insert_column_with_attributes(textureBrowser.m_treeViewTags, -1, "", renderer, "text", 0, NULL );
1736
1737         TextureBrowser_constructTreeStoreTags();
1738 }
1739
1740 ui::MenuItem TextureBrowser_constructViewMenu( ui::Menu menu ){
1741         TextureBrowser &textureBrowser = GlobalTextureBrowser();
1742         ui::MenuItem textures_menu_item = ui::MenuItem(new_sub_menu_item_with_mnemonic( "_View" ));
1743
1744         if ( g_Layout_enableDetachableMenus.m_value ) {
1745                 menu_tearoff( menu );
1746         }
1747
1748         create_check_menu_item_with_mnemonic( menu, "Hide _Unused", "ShowInUse" );
1749         if ( string_empty( g_pGameDescription->getKeyValue( "show_wads" ) ) ) {
1750                 create_check_menu_item_with_mnemonic( menu, "Hide Image Missing", "FilterMissing" );
1751         }
1752
1753         // hide notex and shadernotex on texture browser: no one wants to apply them
1754         create_check_menu_item_with_mnemonic( menu, "Hide Fallback", "FilterFallback" );
1755
1756         menu_separator( menu );
1757
1758         create_menu_item_with_mnemonic( menu, "Show All", "ShowAllTextures" );
1759
1760         // we always want to show shaders but don't want a "Show Shaders" menu for doom3 and .wad file games
1761         if ( g_pGameDescription->mGameType == "doom3" || TextureBrowser_showWads() ) {
1762                 textureBrowser.m_showShaders = true;
1763         }
1764         else
1765         {
1766                 create_check_menu_item_with_mnemonic( menu, "Show shaders", "ToggleShowShaders" );
1767         }
1768
1769         if ( g_pGameDescription->mGameType != "doom3" && string_empty( g_pGameDescription->getKeyValue( "show_wads" ) ) ) {
1770                 create_check_menu_item_with_mnemonic( menu, "Shaders Only", "ToggleShowShaderlistOnly" );
1771         }
1772         if ( textureBrowser.m_tags ) {
1773                 create_menu_item_with_mnemonic( menu, "Show Untagged", "ShowUntagged" );
1774         }
1775
1776         menu_separator( menu );
1777         create_check_menu_item_with_mnemonic( menu, "Fixed Size", "FixedSize" );
1778         create_check_menu_item_with_mnemonic( menu, "Transparency", "EnableAlpha" );
1779
1780         if ( string_empty( g_pGameDescription->getKeyValue( "show_wads" ) ) ) {
1781                 menu_separator( menu );
1782                 textureBrowser.m_shader_info_item = ui::Widget(create_menu_item_with_mnemonic( menu, "Shader Info", "ShaderInfo"  ));
1783                 gtk_widget_set_sensitive( textureBrowser.m_shader_info_item, FALSE );
1784         }
1785
1786
1787         return textures_menu_item;
1788 }
1789
1790 ui::MenuItem TextureBrowser_constructToolsMenu( ui::Menu menu ){
1791         ui::MenuItem textures_menu_item = ui::MenuItem(new_sub_menu_item_with_mnemonic( "_Tools" ));
1792
1793         if ( g_Layout_enableDetachableMenus.m_value ) {
1794                 menu_tearoff( menu );
1795         }
1796
1797         create_menu_item_with_mnemonic( menu, "Flush & Reload Shaders", "RefreshShaders" );
1798         create_menu_item_with_mnemonic( menu, "Find / Replace...", "FindReplaceTextures" );
1799
1800         return textures_menu_item;
1801 }
1802
1803 ui::MenuItem TextureBrowser_constructTagsMenu( ui::Menu menu ){
1804         ui::MenuItem textures_menu_item = ui::MenuItem(new_sub_menu_item_with_mnemonic( "T_ags" ));
1805
1806         if ( g_Layout_enableDetachableMenus.m_value ) {
1807                 menu_tearoff( menu );
1808         }
1809
1810         create_menu_item_with_mnemonic( menu, "Add tag", "AddTag" );
1811         create_menu_item_with_mnemonic( menu, "Rename tag", "RenameTag" );
1812         create_menu_item_with_mnemonic( menu, "Delete tag", "DeleteTag" );
1813         menu_separator( menu );
1814         create_menu_item_with_mnemonic( menu, "Copy tags from selected", "CopyTag" );
1815         create_menu_item_with_mnemonic( menu, "Paste tags to selected", "PasteTag" );
1816
1817         return textures_menu_item;
1818 }
1819
1820 gboolean TextureBrowser_tagMoveHelper( ui::TreeModel model, ui::TreePath path, GtkTreeIter* iter, GSList** selected ){
1821         g_assert( selected != NULL );
1822
1823     auto rowref = gtk_tree_row_reference_new( model, path );
1824         *selected = g_slist_append( *selected, rowref );
1825
1826         return FALSE;
1827 }
1828
1829 void TextureBrowser_assignTags(){
1830         GSList* selected = NULL;
1831         GSList* node;
1832         gchar* tag_assigned;
1833         TextureBrowser &textureBrowser = GlobalTextureBrowser();
1834
1835         auto selection = gtk_tree_view_get_selection(textureBrowser.m_available_tree );
1836
1837         gtk_tree_selection_selected_foreach( selection, (GtkTreeSelectionForeachFunc)TextureBrowser_tagMoveHelper, &selected );
1838
1839         if ( selected != NULL ) {
1840                 for ( node = selected; node != NULL; node = node->next )
1841                 {
1842             auto path = gtk_tree_row_reference_get_path( (GtkTreeRowReference*)node->data );
1843
1844                         if ( path ) {
1845                                 GtkTreeIter iter;
1846
1847                                 if ( gtk_tree_model_get_iter(textureBrowser.m_available_store, &iter, path ) ) {
1848                                         gtk_tree_model_get(textureBrowser.m_available_store, &iter, TAG_COLUMN, &tag_assigned, -1 );
1849                                         if ( !TagBuilder.CheckShaderTag( textureBrowser.shader.c_str() ) ) {
1850                                                 // create a custom shader/texture entry
1851                                                 IShader* ishader = QERApp_Shader_ForName( textureBrowser.shader.c_str() );
1852                                                 CopiedString filename = ishader->getShaderFileName();
1853
1854                                                 if ( filename.empty() ) {
1855                                                         // it's a texture
1856                                                         TagBuilder.AddShaderNode( textureBrowser.shader.c_str(), CUSTOM, TEXTURE );
1857                                                 }
1858                                                 else {
1859                                                         // it's a shader
1860                                                         TagBuilder.AddShaderNode( textureBrowser.shader.c_str(), CUSTOM, SHADER );
1861                                                 }
1862                                                 ishader->DecRef();
1863                                         }
1864                                         TagBuilder.AddShaderTag( textureBrowser.shader.c_str(), (char*)tag_assigned, TAG );
1865
1866                                         gtk_list_store_remove( textureBrowser.m_available_store, &iter );
1867                                         textureBrowser.m_assigned_store.append(TAG_COLUMN, tag_assigned);
1868                                 }
1869                         }
1870                 }
1871
1872                 g_slist_foreach( selected, (GFunc)gtk_tree_row_reference_free, NULL );
1873
1874                 // Save changes
1875                 TagBuilder.SaveXmlDoc();
1876         }
1877         g_slist_free( selected );
1878 }
1879
1880 void TextureBrowser_removeTags(){
1881         GSList* selected = NULL;
1882         GSList* node;
1883         gchar* tag;
1884         TextureBrowser &textureBrowser = GlobalTextureBrowser();
1885
1886         auto selection = gtk_tree_view_get_selection(textureBrowser.m_assigned_tree );
1887
1888         gtk_tree_selection_selected_foreach( selection, (GtkTreeSelectionForeachFunc)TextureBrowser_tagMoveHelper, &selected );
1889
1890         if ( selected != NULL ) {
1891                 for ( node = selected; node != NULL; node = node->next )
1892                 {
1893             auto path = gtk_tree_row_reference_get_path( (GtkTreeRowReference*)node->data );
1894
1895                         if ( path ) {
1896                                 GtkTreeIter iter;
1897
1898                                 if ( gtk_tree_model_get_iter(textureBrowser.m_assigned_store, &iter, path ) ) {
1899                                         gtk_tree_model_get(textureBrowser.m_assigned_store, &iter, TAG_COLUMN, &tag, -1 );
1900                                         TagBuilder.DeleteShaderTag( textureBrowser.shader.c_str(), tag );
1901                                         gtk_list_store_remove( textureBrowser.m_assigned_store, &iter );
1902                                 }
1903                         }
1904                 }
1905
1906                 g_slist_foreach( selected, (GFunc)gtk_tree_row_reference_free, NULL );
1907
1908                 // Update the "available tags list"
1909                 BuildStoreAvailableTags( textureBrowser.m_available_store, textureBrowser.m_assigned_store, textureBrowser.m_all_tags, &textureBrowser );
1910
1911                 // Save changes
1912                 TagBuilder.SaveXmlDoc();
1913         }
1914         g_slist_free( selected );
1915 }
1916
1917 void TextureBrowser_buildTagList(){
1918         TextureBrowser &textureBrowser = GlobalTextureBrowser();
1919         textureBrowser.m_all_tags_list.clear();
1920
1921         std::set<CopiedString>::iterator iter;
1922
1923         for ( iter = textureBrowser.m_all_tags.begin(); iter != textureBrowser.m_all_tags.end(); ++iter )
1924         {
1925                 textureBrowser.m_all_tags_list.append(TAG_COLUMN, (*iter).c_str());
1926         }
1927 }
1928
1929 void TextureBrowser_searchTags(){
1930         GSList* selected = NULL;
1931         GSList* node;
1932         gchar* tag;
1933         char buffer[256];
1934         char tags_searched[256];
1935         TextureBrowser &textureBrowser = GlobalTextureBrowser();
1936
1937         auto selection = gtk_tree_view_get_selection(textureBrowser.m_treeViewTags );
1938
1939         gtk_tree_selection_selected_foreach( selection, (GtkTreeSelectionForeachFunc)TextureBrowser_tagMoveHelper, &selected );
1940
1941         if ( selected != NULL ) {
1942                 strcpy( buffer, "/root/*/*[tag='" );
1943                 strcpy( tags_searched, "[TAGS] " );
1944
1945                 for ( node = selected; node != NULL; node = node->next )
1946                 {
1947             auto path = gtk_tree_row_reference_get_path( (GtkTreeRowReference*)node->data );
1948
1949                         if ( path ) {
1950                                 GtkTreeIter iter;
1951
1952                                 if ( gtk_tree_model_get_iter(textureBrowser.m_all_tags_list, &iter, path ) ) {
1953                                         gtk_tree_model_get(textureBrowser.m_all_tags_list, &iter, TAG_COLUMN, &tag, -1 );
1954
1955                                         strcat( buffer, tag );
1956                                         strcat( tags_searched, tag );
1957                                         if ( node != g_slist_last( node ) ) {
1958                                                 strcat( buffer, "' and tag='" );
1959                                                 strcat( tags_searched, ", " );
1960                                         }
1961                                 }
1962                         }
1963                 }
1964
1965                 strcat( buffer, "']" );
1966
1967                 g_slist_foreach( selected, (GFunc)gtk_tree_row_reference_free, NULL );
1968
1969                 textureBrowser.m_found_shaders.clear(); // delete old list
1970                 TagBuilder.TagSearch( buffer, textureBrowser.m_found_shaders );
1971
1972                 if ( !textureBrowser.m_found_shaders.empty() ) { // found something
1973                         size_t shaders_found = textureBrowser.m_found_shaders.size();
1974
1975                         globalOutputStream() << "Found " << (unsigned int)shaders_found << " textures and shaders with " << tags_searched << "\n";
1976                         ScopeDisableScreenUpdates disableScreenUpdates( "Searching...", "Loading Textures" );
1977
1978                         std::set<CopiedString>::iterator iter;
1979
1980                         for ( iter = textureBrowser.m_found_shaders.begin(); iter != textureBrowser.m_found_shaders.end(); iter++ )
1981                         {
1982                                 std::string path = ( *iter ).c_str();
1983                                 size_t pos = path.find_last_of( "/", path.size() );
1984                                 std::string name = path.substr( pos + 1, path.size() );
1985                                 path = path.substr( 0, pos + 1 );
1986                                 TextureDirectory_loadTexture( path.c_str(), name.c_str() );
1987                         }
1988                 }
1989                 textureBrowser.m_searchedTags = true;
1990                 g_TextureBrowser_currentDirectory = tags_searched;
1991
1992                 textureBrowser.m_nTotalHeight = 0;
1993                 TextureBrowser_setOriginY( textureBrowser, 0 );
1994                 TextureBrowser_heightChanged( textureBrowser );
1995                 TextureBrowser_updateTitle();
1996         }
1997         g_slist_free( selected );
1998 }
1999
2000 void TextureBrowser_toggleSearchButton(){
2001         TextureBrowser &textureBrowser = GlobalTextureBrowser();
2002         gint page = gtk_notebook_get_current_page( GTK_NOTEBOOK( textureBrowser.m_tag_notebook ) );
2003
2004         if ( page == 0 ) { // tag page
2005                 gtk_widget_show_all( textureBrowser.m_search_button );
2006         }
2007         else {
2008                 textureBrowser.m_search_button.hide();
2009         }
2010 }
2011
2012 void TextureBrowser_constructTagNotebook(){
2013         TextureBrowser &textureBrowser = GlobalTextureBrowser();
2014         textureBrowser.m_tag_notebook = ui::Widget::from(gtk_notebook_new());
2015         ui::Widget labelTags = ui::Label( "Tags" );
2016         ui::Widget labelTextures = ui::Label( "Textures" );
2017
2018         gtk_notebook_append_page( GTK_NOTEBOOK( textureBrowser.m_tag_notebook ), textureBrowser.m_scr_win_tree, labelTextures );
2019         gtk_notebook_append_page( GTK_NOTEBOOK( textureBrowser.m_tag_notebook ), textureBrowser.m_scr_win_tags, labelTags );
2020
2021         textureBrowser.m_tag_notebook.connect( "switch-page", G_CALLBACK( TextureBrowser_toggleSearchButton ), NULL );
2022
2023         gtk_widget_show_all( textureBrowser.m_tag_notebook );
2024 }
2025
2026 void TextureBrowser_constructSearchButton(){
2027         auto image = ui::Widget::from(gtk_image_new_from_stock( GTK_STOCK_FIND, GTK_ICON_SIZE_SMALL_TOOLBAR ));
2028         TextureBrowser &textureBrowser = GlobalTextureBrowser();
2029         textureBrowser.m_search_button = ui::Button(ui::New);
2030         textureBrowser.m_search_button.connect( "clicked", G_CALLBACK( TextureBrowser_searchTags ), NULL );
2031         gtk_widget_set_tooltip_text(textureBrowser.m_search_button, "Search with selected tags");
2032         textureBrowser.m_search_button.add(image);
2033 }
2034
2035 void TextureBrowser_checkTagFile(){
2036         const char SHADERTAG_FILE[] = "shadertags.xml";
2037         CopiedString default_filename, rc_filename;
2038         StringOutputStream stream( 256 );
2039         TextureBrowser &textureBrowser = GlobalTextureBrowser();
2040
2041         stream << LocalRcPath_get();
2042         stream << SHADERTAG_FILE;
2043         rc_filename = stream.c_str();
2044
2045         if ( file_exists( rc_filename.c_str() ) ) {
2046                 textureBrowser.m_tags = TagBuilder.OpenXmlDoc( rc_filename.c_str() );
2047
2048                 if ( textureBrowser.m_tags ) {
2049                         globalOutputStream() << "Loading tag file " << rc_filename.c_str() << ".\n";
2050                 }
2051         }
2052         else
2053         {
2054                 // load default tagfile
2055                 stream.clear();
2056                 stream << g_pGameDescription->mGameToolsPath.c_str();
2057                 stream << SHADERTAG_FILE;
2058                 default_filename = stream.c_str();
2059
2060                 if ( file_exists( default_filename.c_str() ) ) {
2061                         textureBrowser.m_tags = TagBuilder.OpenXmlDoc( default_filename.c_str(), rc_filename.c_str() );
2062
2063                         if ( textureBrowser.m_tags ) {
2064                                 globalOutputStream() << "Loading default tag file " << default_filename.c_str() << ".\n";
2065                         }
2066                 }
2067                 else
2068                 {
2069                         globalErrorStream() << "Unable to find default tag file " << default_filename.c_str() << ". No tag support.\n";
2070                 }
2071         }
2072 }
2073
2074 void TextureBrowser_SetNotex(){
2075         IShader* notex = QERApp_Shader_ForName( DEFAULT_NOTEX_NAME );
2076         IShader* shadernotex = QERApp_Shader_ForName( DEFAULT_SHADERNOTEX_NAME );
2077
2078         g_notex = notex->getTexture()->name;
2079
2080         g_shadernotex = shadernotex->getTexture()->name;
2081
2082         notex->DecRef();
2083         shadernotex->DecRef();
2084 }
2085
2086 static bool isGLWidgetConstructed = false;
2087 static bool isWindowConstructed = false;
2088
2089 void TextureBrowser_constructGLWidget(){
2090         TextureBrowser &textureBrowser = GlobalTextureBrowser();
2091         textureBrowser.m_gl_widget = glwidget_new( FALSE );
2092         g_object_ref( textureBrowser.m_gl_widget._handle );
2093
2094         gtk_widget_set_events( textureBrowser.m_gl_widget, GDK_DESTROY | GDK_EXPOSURE_MASK | GDK_BUTTON_PRESS_MASK | GDK_BUTTON_RELEASE_MASK | GDK_POINTER_MOTION_MASK | GDK_SCROLL_MASK );
2095         gtk_widget_set_can_focus( textureBrowser.m_gl_widget, true );
2096
2097         textureBrowser.m_sizeHandler = textureBrowser.m_gl_widget.connect( "size_allocate", G_CALLBACK( TextureBrowser_size_allocate ), &textureBrowser );
2098         textureBrowser.m_exposeHandler = textureBrowser.m_gl_widget.on_render( G_CALLBACK( TextureBrowser_expose ), &textureBrowser );
2099
2100         textureBrowser.m_gl_widget.connect( "button_press_event", G_CALLBACK( TextureBrowser_button_press ), &textureBrowser );
2101         textureBrowser.m_gl_widget.connect( "button_release_event", G_CALLBACK( TextureBrowser_button_release ), &textureBrowser );
2102         textureBrowser.m_gl_widget.connect( "motion_notify_event", G_CALLBACK( TextureBrowser_motion ), &textureBrowser );
2103         textureBrowser.m_gl_widget.connect( "scroll_event", G_CALLBACK( TextureBrowser_scroll ), &textureBrowser );
2104
2105 #ifdef WORKAROUND_MACOS_GTK2_GLWIDGET
2106         textureBrowser.m_hframe.pack_start( textureBrowser.m_gl_widget, TRUE, TRUE, 0 );
2107 #else // !WORKAROUND_MACOS_GTK2_GLWIDGET
2108         textureBrowser.m_frame.pack_start( textureBrowser.m_gl_widget, TRUE, TRUE, 0 );
2109 #endif // !WORKAROUND_MACOS_GTK2_GLWIDGET
2110
2111         textureBrowser.m_gl_widget.show();
2112
2113         isGLWidgetConstructed = true;
2114 }
2115
2116 ui::Widget TextureBrowser_constructWindow( ui::Window toplevel ){
2117         // The gl_widget and the tag assignment frame should be packed into a GtkVPaned with the slider
2118         // position stored in local.pref. gtk_paned_get_position() and gtk_paned_set_position() don't
2119         // seem to work in gtk 2.4 and the arrow buttons don't handle GTK_FILL, so here's another thing
2120         // for the "once-the-gtk-libs-are-updated-TODO-list" :x
2121         TextureBrowser &textureBrowser = GlobalTextureBrowser();
2122
2123         TextureBrowser_checkTagFile();
2124         TextureBrowser_SetNotex();
2125
2126         GlobalShaderSystem().setActiveShadersChangedNotify( ReferenceCaller<TextureBrowser, void(), TextureBrowser_activeShadersChanged>( textureBrowser ) );
2127
2128         textureBrowser.m_parent = toplevel;
2129
2130         auto table = ui::Table(3, 3, FALSE);
2131         auto vbox = ui::VBox(FALSE, 0);
2132         table.attach(vbox, {0, 1, 1, 3}, {GTK_FILL, GTK_FILL});
2133         vbox.show();
2134
2135         ui::Widget menu_bar{ui::null};
2136
2137         { // menu bar
2138                 menu_bar = ui::Widget::from(gtk_menu_bar_new());
2139                 auto menu_view = ui::Menu(ui::New);
2140                 auto view_item = TextureBrowser_constructViewMenu( menu_view );
2141                 gtk_menu_item_set_submenu( GTK_MENU_ITEM( view_item ), menu_view );
2142                 gtk_menu_shell_append( GTK_MENU_SHELL( menu_bar ), view_item );
2143
2144                 auto menu_tools = ui::Menu(ui::New);
2145                 auto tools_item = TextureBrowser_constructToolsMenu( menu_tools );
2146                 gtk_menu_item_set_submenu( GTK_MENU_ITEM( tools_item ), menu_tools );
2147                 gtk_menu_shell_append( GTK_MENU_SHELL( menu_bar ), tools_item );
2148
2149                 table.attach(menu_bar, {0, 3, 0, 1}, {GTK_FILL, GTK_SHRINK});
2150                 menu_bar.show();
2151         }
2152         { // Texture TreeView
2153                 textureBrowser.m_scr_win_tree = ui::ScrolledWindow(ui::New);
2154                 gtk_container_set_border_width( GTK_CONTAINER( textureBrowser.m_scr_win_tree ), 0 );
2155
2156                 // vertical only scrolling for treeview
2157                 gtk_scrolled_window_set_policy( GTK_SCROLLED_WINDOW( textureBrowser.m_scr_win_tree ), GTK_POLICY_NEVER, GTK_POLICY_ALWAYS );
2158
2159                 textureBrowser.m_scr_win_tree.show();
2160
2161                 TextureBrowser_createTreeViewTree();
2162
2163                 gtk_scrolled_window_add_with_viewport( GTK_SCROLLED_WINDOW( textureBrowser.m_scr_win_tree ), textureBrowser.m_treeViewTree  );
2164                 textureBrowser.m_treeViewTree.show();
2165         }
2166         { // gl_widget scrollbar
2167                 auto w = ui::Widget::from(gtk_vscrollbar_new( ui::Adjustment( 0,0,0,1,1,0 ) ));
2168                 table.attach(w, {2, 3, 1, 2}, {GTK_SHRINK, GTK_FILL});
2169                 w.show();
2170                 textureBrowser.m_texture_scroll = w;
2171
2172                 auto vadjustment = ui::Adjustment::from(gtk_range_get_adjustment( GTK_RANGE( textureBrowser.m_texture_scroll ) ));
2173                 vadjustment.connect( "value_changed", G_CALLBACK( TextureBrowser_verticalScroll ), &textureBrowser );
2174
2175                 textureBrowser.m_texture_scroll.visible(textureBrowser.m_showTextureScrollbar);
2176         }
2177         { // gl_widget
2178 #ifdef WORKAROUND_MACOS_GTK2_GLWIDGET
2179                 textureBrowser.m_vframe = ui::VBox( FALSE, 0 );
2180                 table.attach(textureBrowser.m_vframe, {1, 2, 1, 2});
2181
2182                 textureBrowser.m_vfiller = ui::VBox( FALSE, 0 );
2183                 textureBrowser.m_vframe.pack_start( textureBrowser.m_vfiller, FALSE, FALSE, 0 );
2184
2185                 textureBrowser.m_hframe = ui::HBox( FALSE, 0 );
2186                 textureBrowser.m_vframe.pack_start( textureBrowser.m_hframe, TRUE, TRUE, 0 );
2187
2188                 textureBrowser.m_hfiller = ui::HBox( FALSE, 0 );
2189                 textureBrowser.m_hframe.pack_start( textureBrowser.m_hfiller, FALSE, FALSE, 0 );
2190
2191                 textureBrowser.m_vframe.show();
2192                 textureBrowser.m_vfiller.show();
2193                 textureBrowser.m_hframe.show(),
2194                 textureBrowser.m_hfiller.show();
2195 #else // !WORKAROUND_MACOS_GTK2_GLWIDGET
2196                 textureBrowser.m_frame = ui::VBox( FALSE, 0 );
2197                 table.attach(textureBrowser.m_frame, {1, 2, 1, 2});
2198                 textureBrowser.m_frame.show();
2199 #endif // !WORKAROUND_MACOS_GTK2_GLWIDGET
2200
2201                 TextureBrowser_constructGLWidget();
2202         }
2203
2204         // tag stuff
2205         if ( textureBrowser.m_tags ) {
2206                 { // fill tag GtkListStore
2207                         textureBrowser.m_all_tags_list = ui::ListStore::from(gtk_list_store_new( N_COLUMNS, G_TYPE_STRING ));
2208             auto sortable = GTK_TREE_SORTABLE( textureBrowser.m_all_tags_list );
2209                         gtk_tree_sortable_set_sort_column_id( sortable, TAG_COLUMN, GTK_SORT_ASCENDING );
2210
2211                         TagBuilder.GetAllTags( textureBrowser.m_all_tags );
2212                         TextureBrowser_buildTagList();
2213                 }
2214                 { // tag menu bar
2215                         auto menu_tags = ui::Menu(ui::New);
2216                         auto tags_item = TextureBrowser_constructTagsMenu( menu_tags );
2217                         gtk_menu_item_set_submenu( GTK_MENU_ITEM( tags_item ), menu_tags );
2218                         gtk_menu_shell_append( GTK_MENU_SHELL( menu_bar ), tags_item );
2219                 }
2220                 { // Tag TreeView
2221                         textureBrowser.m_scr_win_tags = ui::ScrolledWindow(ui::New);
2222                         gtk_container_set_border_width( GTK_CONTAINER( textureBrowser.m_scr_win_tags ), 0 );
2223
2224                         // vertical only scrolling for treeview
2225                         gtk_scrolled_window_set_policy( GTK_SCROLLED_WINDOW( textureBrowser.m_scr_win_tags ), GTK_POLICY_NEVER, GTK_POLICY_ALWAYS );
2226
2227                         TextureBrowser_createTreeViewTags();
2228
2229             auto selection = gtk_tree_view_get_selection(textureBrowser.m_treeViewTags );
2230                         gtk_tree_selection_set_mode( selection, GTK_SELECTION_MULTIPLE );
2231
2232                         gtk_scrolled_window_add_with_viewport( GTK_SCROLLED_WINDOW( textureBrowser.m_scr_win_tags ), textureBrowser.m_treeViewTags  );
2233                         textureBrowser.m_treeViewTags.show();
2234                 }
2235                 { // Texture/Tag notebook
2236                         TextureBrowser_constructTagNotebook();
2237                         vbox.pack_start( textureBrowser.m_tag_notebook, TRUE, TRUE, 0 );
2238                 }
2239                 { // Tag search button
2240                         TextureBrowser_constructSearchButton();
2241                         vbox.pack_end(textureBrowser.m_search_button, FALSE, FALSE, 0);
2242                 }
2243                 auto frame_table = ui::Table(3, 3, FALSE);
2244                 { // Tag frame
2245
2246                         textureBrowser.m_tag_frame = ui::Frame( "Tag assignment" );
2247                         gtk_frame_set_label_align( GTK_FRAME( textureBrowser.m_tag_frame ), 0.5, 0.5 );
2248                         gtk_frame_set_shadow_type( GTK_FRAME( textureBrowser.m_tag_frame ), GTK_SHADOW_NONE );
2249
2250                         table.attach(textureBrowser.m_tag_frame, {1, 3, 2, 3}, {GTK_FILL, GTK_SHRINK});
2251
2252                         frame_table.show();
2253
2254                         textureBrowser.m_tag_frame.add(frame_table);
2255                 }
2256                 { // assigned tag list
2257                         ui::Widget scrolled_win = ui::ScrolledWindow(ui::New);
2258                         gtk_container_set_border_width( GTK_CONTAINER( scrolled_win ), 0 );
2259                         gtk_scrolled_window_set_policy( GTK_SCROLLED_WINDOW( scrolled_win ), GTK_POLICY_NEVER, GTK_POLICY_ALWAYS );
2260
2261                         textureBrowser.m_assigned_store = ui::ListStore::from(gtk_list_store_new( N_COLUMNS, G_TYPE_STRING ));
2262
2263             auto sortable = GTK_TREE_SORTABLE( textureBrowser.m_assigned_store );
2264                         gtk_tree_sortable_set_sort_column_id( sortable, TAG_COLUMN, GTK_SORT_ASCENDING );
2265
2266                         auto renderer = ui::CellRendererText(ui::New);
2267
2268                         textureBrowser.m_assigned_tree = ui::TreeView(ui::TreeModel::from(textureBrowser.m_assigned_store._handle));
2269                         textureBrowser.m_assigned_store.unref();
2270                         textureBrowser.m_assigned_tree.connect( "row-activated", (GCallback) TextureBrowser_removeTags, NULL );
2271                         gtk_tree_view_set_headers_visible(textureBrowser.m_assigned_tree, FALSE );
2272
2273             auto selection = gtk_tree_view_get_selection(textureBrowser.m_assigned_tree );
2274                         gtk_tree_selection_set_mode( selection, GTK_SELECTION_MULTIPLE );
2275
2276             auto column = ui::TreeViewColumn( "", renderer, {{"text", TAG_COLUMN}} );
2277                         gtk_tree_view_append_column(textureBrowser.m_assigned_tree, column );
2278                         textureBrowser.m_assigned_tree.show();
2279
2280                         scrolled_win.show();
2281                         gtk_scrolled_window_add_with_viewport( GTK_SCROLLED_WINDOW( scrolled_win ), textureBrowser.m_assigned_tree  );
2282
2283                         frame_table.attach(scrolled_win, {0, 1, 1, 3}, {GTK_FILL, GTK_FILL});
2284                 }
2285                 { // available tag list
2286                         ui::Widget scrolled_win = ui::ScrolledWindow(ui::New);
2287                         gtk_container_set_border_width( GTK_CONTAINER( scrolled_win ), 0 );
2288                         gtk_scrolled_window_set_policy( GTK_SCROLLED_WINDOW( scrolled_win ), GTK_POLICY_NEVER, GTK_POLICY_ALWAYS );
2289
2290                         textureBrowser.m_available_store = ui::ListStore::from(gtk_list_store_new( N_COLUMNS, G_TYPE_STRING ));
2291             auto sortable = GTK_TREE_SORTABLE( textureBrowser.m_available_store );
2292                         gtk_tree_sortable_set_sort_column_id( sortable, TAG_COLUMN, GTK_SORT_ASCENDING );
2293
2294                         auto renderer = ui::CellRendererText(ui::New);
2295
2296                         textureBrowser.m_available_tree = ui::TreeView(ui::TreeModel::from(textureBrowser.m_available_store._handle));
2297                         textureBrowser.m_available_store.unref();
2298                         textureBrowser.m_available_tree.connect( "row-activated", (GCallback) TextureBrowser_assignTags, NULL );
2299                         gtk_tree_view_set_headers_visible(textureBrowser.m_available_tree, FALSE );
2300
2301             auto selection = gtk_tree_view_get_selection(textureBrowser.m_available_tree );
2302                         gtk_tree_selection_set_mode( selection, GTK_SELECTION_MULTIPLE );
2303
2304             auto column = ui::TreeViewColumn( "", renderer, {{"text", TAG_COLUMN}} );
2305                         gtk_tree_view_append_column(textureBrowser.m_available_tree, column );
2306                         textureBrowser.m_available_tree.show();
2307
2308                         scrolled_win.show();
2309                         gtk_scrolled_window_add_with_viewport( GTK_SCROLLED_WINDOW( scrolled_win ), textureBrowser.m_available_tree  );
2310
2311                         frame_table.attach(scrolled_win, {2, 3, 1, 3}, {GTK_FILL, GTK_FILL});
2312                 }
2313                 { // tag arrow buttons
2314                         auto m_btn_left = ui::Button(ui::New);
2315                         auto m_btn_right = ui::Button(ui::New);
2316                         auto m_arrow_left = ui::Widget::from(gtk_arrow_new( GTK_ARROW_LEFT, GTK_SHADOW_OUT ));
2317                         auto m_arrow_right = ui::Widget::from(gtk_arrow_new( GTK_ARROW_RIGHT, GTK_SHADOW_OUT ));
2318                         m_btn_left.add(m_arrow_left);
2319                         m_btn_right.add(m_arrow_right);
2320
2321                         // workaround. the size of the tag frame depends of the requested size of the arrow buttons.
2322                         m_arrow_left.dimensions(-1, 68);
2323                         m_arrow_right.dimensions(-1, 68);
2324
2325                         frame_table.attach(m_btn_left, {1, 2, 1, 2}, {GTK_SHRINK, GTK_EXPAND});
2326                         frame_table.attach(m_btn_right, {1, 2, 2, 3}, {GTK_SHRINK, GTK_EXPAND});
2327
2328                         m_btn_left.connect( "clicked", G_CALLBACK( TextureBrowser_assignTags ), NULL );
2329                         m_btn_right.connect( "clicked", G_CALLBACK( TextureBrowser_removeTags ), NULL );
2330
2331                         m_btn_left.show();
2332                         m_btn_right.show();
2333                         m_arrow_left.show();
2334                         m_arrow_right.show();
2335                 }
2336                 { // tag fram labels
2337                         ui::Widget m_lbl_assigned = ui::Label( "Assigned" );
2338                         ui::Widget m_lbl_unassigned = ui::Label( "Available" );
2339
2340                         frame_table.attach(m_lbl_assigned, {0, 1, 0, 1}, {GTK_EXPAND, GTK_SHRINK});
2341                         frame_table.attach(m_lbl_unassigned, {2, 3, 0, 1}, {GTK_EXPAND, GTK_SHRINK});
2342
2343                         m_lbl_assigned.show();
2344                         m_lbl_unassigned.show();
2345                 }
2346         }
2347         else { // no tag support, show the texture tree only
2348                 vbox.pack_start( textureBrowser.m_scr_win_tree, TRUE, TRUE, 0 );
2349         }
2350
2351         // TODO do we need this?
2352         //gtk_container_set_focus_chain(GTK_CONTAINER(hbox_table), NULL);
2353
2354         isWindowConstructed = true;
2355
2356         return table;
2357 }
2358
2359 void TextureBrowser_destroyGLWidget(){
2360         TextureBrowser &textureBrowser = GlobalTextureBrowser();
2361         if ( isGLWidgetConstructed )
2362         {
2363                 g_signal_handler_disconnect( G_OBJECT( textureBrowser.m_gl_widget ), textureBrowser.m_sizeHandler );
2364                 g_signal_handler_disconnect( G_OBJECT( textureBrowser.m_gl_widget ), textureBrowser.m_exposeHandler );
2365
2366 #ifdef WORKAROUND_MACOS_GTK2_GLWIDGET
2367                 textureBrowser.m_hframe.remove( textureBrowser.m_gl_widget );
2368 #else // !WORKAROUND_MACOS_GTK2_GLWIDGET
2369                 textureBrowser.m_frame.remove( textureBrowser.m_gl_widget );
2370 #endif // !WORKAROUND_MACOS_GTK2_GLWIDGET
2371
2372                 textureBrowser.m_gl_widget.unref();
2373
2374                 isGLWidgetConstructed = false;
2375         }
2376 }
2377
2378 void TextureBrowser_destroyWindow(){
2379         GlobalShaderSystem().setActiveShadersChangedNotify( Callback<void()>() );
2380
2381         TextureBrowser_destroyGLWidget();
2382 }
2383
2384 #ifdef WORKAROUND_MACOS_GTK2_GLWIDGET
2385 /* workaround for gtkglext on gtk 2 issue: OpenGL texture viewport being drawn over the other pages */
2386 /* this is very ugly: force the resizing of the viewport to a single bottom line by forcing the
2387  * resizing of the gl widget by expanding some empty boxes, so the widget area size is reduced
2388  * while covered by another page, so the texture viewport is still rendered over the other page
2389  * but does not annoy the user that much because it's just a line on the bottom that may even
2390  * be printed over existing bottom frame or very close to it. */
2391 void TextureBrowser_showGLWidget(){
2392         TextureBrowser &textureBrowser = GlobalTextureBrowser();
2393         if ( isWindowConstructed && isGLWidgetConstructed )
2394         {
2395                 textureBrowser.m_vframe.set_child_packing( textureBrowser.m_vfiller, FALSE, FALSE, 0, ui::Packing::START );
2396                 textureBrowser.m_vframe.set_child_packing( textureBrowser.m_hframe, TRUE, TRUE, 0, ui::Packing::START );
2397                 textureBrowser.m_vframe.set_child_packing( textureBrowser.m_hfiller, FALSE, FALSE, 0, ui::Packing::START );
2398                 textureBrowser.m_vframe.set_child_packing( textureBrowser.m_gl_widget, TRUE, TRUE, 0, ui::Packing::START );
2399                 textureBrowser.m_gl_widget.show();
2400         }
2401 }
2402
2403 void TextureBrowser_hideGLWidget(){
2404         TextureBrowser &textureBrowser = GlobalTextureBrowser();
2405         if ( isWindowConstructed && isGLWidgetConstructed )
2406         {
2407                 textureBrowser.m_vframe.set_child_packing( textureBrowser.m_vfiller, TRUE, TRUE, 0, ui::Packing::START);
2408                 textureBrowser.m_vframe.set_child_packing( textureBrowser.m_hframe, FALSE, FALSE, 0, ui::Packing::END );
2409                 textureBrowser.m_vframe.set_child_packing( textureBrowser.m_hfiller, TRUE, TRUE, 0, ui::Packing::START);
2410                 textureBrowser.m_vframe.set_child_packing( textureBrowser.m_gl_widget, FALSE, FALSE, 0, ui::Packing::END );
2411                 GdkEventExpose event = {};
2412                 TextureBrowser_expose( GlobalTextureBrowser().m_gl_widget, &event, &GlobalTextureBrowser() );
2413                 // The hack needs the GL widget to not be hidden to work,
2414                 // so resizing it triggers the redraw of it with the new size.
2415                 // GlobalTextureBrowser().m_gl_widget.hide();
2416         }
2417 }
2418 #endif // WORKAROUND_MACOS_GTK2_GLWIDGET
2419
2420 const Vector3& TextureBrowser_getBackgroundColour( TextureBrowser& textureBrowser ){
2421         return textureBrowser.color_textureback;
2422 }
2423
2424 void TextureBrowser_setBackgroundColour( TextureBrowser& textureBrowser, const Vector3& colour ){
2425         textureBrowser.color_textureback = colour;
2426         TextureBrowser_queueDraw( textureBrowser );
2427 }
2428
2429 void TextureBrowser_selectionHelper( ui::TreeModel model, ui::TreePath path, GtkTreeIter* iter, GSList** selected ){
2430         g_assert( selected != NULL );
2431
2432         gchar* name;
2433         gtk_tree_model_get( model, iter, TAG_COLUMN, &name, -1 );
2434         *selected = g_slist_append( *selected, name );
2435 }
2436
2437 void TextureBrowser_shaderInfo(){
2438         const char* name = TextureBrowser_GetSelectedShader( GlobalTextureBrowser() );
2439         IShader* shader = QERApp_Shader_ForName( name );
2440
2441         DoShaderInfoDlg( name, shader->getShaderFileName(), "Shader Info" );
2442
2443         shader->DecRef();
2444 }
2445
2446 void TextureBrowser_addTag(){
2447         CopiedString tag;
2448         TextureBrowser &textureBrowser = GlobalTextureBrowser();
2449
2450         EMessageBoxReturn result = DoShaderTagDlg( &tag, "Add shader tag" );
2451
2452         if ( result == eIDOK && !tag.empty() ) {
2453                 GtkTreeIter iter;
2454                 textureBrowser.m_all_tags.insert( tag.c_str() );
2455                 gtk_list_store_append( textureBrowser.m_available_store, &iter );
2456                 gtk_list_store_set( textureBrowser.m_available_store, &iter, TAG_COLUMN, tag.c_str(), -1 );
2457
2458                 // Select the currently added tag in the available list
2459         auto selection = gtk_tree_view_get_selection(textureBrowser.m_available_tree );
2460                 gtk_tree_selection_select_iter( selection, &iter );
2461
2462                 textureBrowser.m_all_tags_list.append(TAG_COLUMN, tag.c_str());
2463         }
2464 }
2465
2466 void TextureBrowser_renameTag(){
2467         /* WORKAROUND: The tag treeview is set to GTK_SELECTION_MULTIPLE. Because
2468            gtk_tree_selection_get_selected() doesn't work with GTK_SELECTION_MULTIPLE,
2469            we need to count the number of selected rows first and use
2470            gtk_tree_selection_selected_foreach() then to go through the list of selected
2471            rows (which always containins a single row).
2472          */
2473
2474         GSList* selected = NULL;
2475         TextureBrowser &textureBrowser = GlobalTextureBrowser();
2476
2477         auto selection = gtk_tree_view_get_selection(textureBrowser.m_treeViewTags );
2478         gtk_tree_selection_selected_foreach( selection, GtkTreeSelectionForeachFunc( TextureBrowser_selectionHelper ), &selected );
2479
2480         if ( g_slist_length( selected ) == 1 ) { // we only rename a single tag
2481                 CopiedString newTag;
2482                 EMessageBoxReturn result = DoShaderTagDlg( &newTag, "Rename shader tag" );
2483
2484                 if ( result == eIDOK && !newTag.empty() ) {
2485                         GtkTreeIter iterList;
2486                         gchar* rowTag;
2487                         gchar* oldTag = (char*)selected->data;
2488
2489                         bool row = gtk_tree_model_get_iter_first(textureBrowser.m_all_tags_list, &iterList ) != 0;
2490
2491                         while ( row )
2492                         {
2493                                 gtk_tree_model_get(textureBrowser.m_all_tags_list, &iterList, TAG_COLUMN, &rowTag, -1 );
2494
2495                                 if ( strcmp( rowTag, oldTag ) == 0 ) {
2496                                         gtk_list_store_set( textureBrowser.m_all_tags_list, &iterList, TAG_COLUMN, newTag.c_str(), -1 );
2497                                 }
2498                                 row = gtk_tree_model_iter_next(textureBrowser.m_all_tags_list, &iterList ) != 0;
2499                         }
2500
2501                         TagBuilder.RenameShaderTag( oldTag, newTag.c_str() );
2502
2503                         textureBrowser.m_all_tags.erase( (CopiedString)oldTag );
2504                         textureBrowser.m_all_tags.insert( newTag );
2505
2506                         BuildStoreAssignedTags( textureBrowser.m_assigned_store, textureBrowser.shader.c_str(), &textureBrowser );
2507                         BuildStoreAvailableTags( textureBrowser.m_available_store, textureBrowser.m_assigned_store, textureBrowser.m_all_tags, &textureBrowser );
2508                 }
2509         }
2510         else
2511         {
2512                 ui::alert( textureBrowser.m_parent, "Select a single tag for renaming." );
2513         }
2514 }
2515
2516 void TextureBrowser_deleteTag(){
2517         GSList* selected = NULL;
2518         TextureBrowser &textureBrowser = GlobalTextureBrowser();
2519
2520         auto selection = gtk_tree_view_get_selection(textureBrowser.m_treeViewTags );
2521         gtk_tree_selection_selected_foreach( selection, GtkTreeSelectionForeachFunc( TextureBrowser_selectionHelper ), &selected );
2522
2523         if ( g_slist_length( selected ) == 1 ) { // we only delete a single tag
2524                 auto result = ui::alert( textureBrowser.m_parent, "Are you sure you want to delete the selected tag?", "Delete Tag", ui::alert_type::YESNO, ui::alert_icon::Question );
2525
2526                 if ( result == ui::alert_response::YES ) {
2527                         GtkTreeIter iterSelected;
2528                         gchar *rowTag;
2529
2530                         gchar* tagSelected = (char*)selected->data;
2531
2532                         bool row = gtk_tree_model_get_iter_first(textureBrowser.m_all_tags_list, &iterSelected ) != 0;
2533
2534                         while ( row )
2535                         {
2536                                 gtk_tree_model_get(textureBrowser.m_all_tags_list, &iterSelected, TAG_COLUMN, &rowTag, -1 );
2537
2538                                 if ( strcmp( rowTag, tagSelected ) == 0 ) {
2539                                         gtk_list_store_remove( textureBrowser.m_all_tags_list, &iterSelected );
2540                                         break;
2541                                 }
2542                                 row = gtk_tree_model_iter_next(textureBrowser.m_all_tags_list, &iterSelected ) != 0;
2543                         }
2544
2545                         TagBuilder.DeleteTag( tagSelected );
2546                         textureBrowser.m_all_tags.erase( (CopiedString)tagSelected );
2547
2548                         BuildStoreAssignedTags( textureBrowser.m_assigned_store, textureBrowser.shader.c_str(), &textureBrowser );
2549                         BuildStoreAvailableTags( textureBrowser.m_available_store, textureBrowser.m_assigned_store, textureBrowser.m_all_tags, &textureBrowser );
2550                 }
2551         }
2552         else {
2553                 ui::alert( textureBrowser.m_parent, "Select a single tag for deletion." );
2554         }
2555 }
2556
2557 void TextureBrowser_copyTag(){
2558         TextureBrowser &textureBrowser = GlobalTextureBrowser();
2559         textureBrowser.m_copied_tags.clear();
2560         TagBuilder.GetShaderTags( textureBrowser.shader.c_str(), textureBrowser.m_copied_tags );
2561 }
2562
2563 void TextureBrowser_pasteTag(){
2564         TextureBrowser &textureBrowser = GlobalTextureBrowser();
2565         IShader* ishader = QERApp_Shader_ForName( textureBrowser.shader.c_str() );
2566         CopiedString shader = textureBrowser.shader.c_str();
2567
2568         if ( !TagBuilder.CheckShaderTag( shader.c_str() ) ) {
2569                 CopiedString shaderFile = ishader->getShaderFileName();
2570                 if ( shaderFile.empty() ) {
2571                         // it's a texture
2572                         TagBuilder.AddShaderNode( shader.c_str(), CUSTOM, TEXTURE );
2573                 }
2574                 else
2575                 {
2576                         // it's a shader
2577                         TagBuilder.AddShaderNode( shader.c_str(), CUSTOM, SHADER );
2578                 }
2579
2580                 for ( size_t i = 0; i < textureBrowser.m_copied_tags.size(); ++i )
2581                 {
2582                         TagBuilder.AddShaderTag( shader.c_str(), textureBrowser.m_copied_tags[i].c_str(), TAG );
2583                 }
2584         }
2585         else
2586         {
2587                 for ( size_t i = 0; i < textureBrowser.m_copied_tags.size(); ++i )
2588                 {
2589                         if ( !TagBuilder.CheckShaderTag( shader.c_str(), textureBrowser.m_copied_tags[i].c_str() ) ) {
2590                                 // the tag doesn't exist - let's add it
2591                                 TagBuilder.AddShaderTag( shader.c_str(), textureBrowser.m_copied_tags[i].c_str(), TAG );
2592                         }
2593                 }
2594         }
2595
2596         ishader->DecRef();
2597
2598         TagBuilder.SaveXmlDoc();
2599         BuildStoreAssignedTags( textureBrowser.m_assigned_store, shader.c_str(), &textureBrowser );
2600         BuildStoreAvailableTags( textureBrowser.m_available_store, textureBrowser.m_assigned_store, textureBrowser.m_all_tags, &textureBrowser );
2601 }
2602
2603 void TextureBrowser_RefreshShaders(){
2604         TextureBrowser &textureBrowser = GlobalTextureBrowser();
2605         ScopeDisableScreenUpdates disableScreenUpdates( "Processing...", "Loading Shaders" );
2606         GlobalShaderSystem().refresh();
2607         UpdateAllWindows();
2608     auto selection = gtk_tree_view_get_selection(GlobalTextureBrowser().m_treeViewTree);
2609         GtkTreeModel* model = NULL;
2610         GtkTreeIter iter;
2611         if ( gtk_tree_selection_get_selected (selection, &model, &iter) )
2612         {
2613                 gchar dirName[1024];
2614
2615                 gchar* buffer;
2616                 gtk_tree_model_get( model, &iter, 0, &buffer, -1 );
2617                 strcpy( dirName, buffer );
2618                 g_free( buffer );
2619                 if ( !TextureBrowser_showWads() ) {
2620                         strcat( dirName, "/" );
2621                 }
2622                 TextureBrowser_ShowDirectory( GlobalTextureBrowser(), dirName );
2623                 TextureBrowser_queueDraw( GlobalTextureBrowser() );
2624         }
2625 }
2626
2627 void TextureBrowser_ToggleShowShaders(){
2628         GlobalTextureBrowser().m_showShaders ^= 1;
2629         GlobalTextureBrowser().m_showshaders_item.update();
2630         TextureBrowser_queueDraw( GlobalTextureBrowser() );
2631 }
2632
2633 void TextureBrowser_ToggleShowShaderListOnly(){
2634         g_TextureBrowser_shaderlistOnly ^= 1;
2635         GlobalTextureBrowser().m_showshaderlistonly_item.update();
2636
2637         TextureBrowser_constructTreeStore();
2638 }
2639
2640 void TextureBrowser_showAll(){
2641         g_TextureBrowser_currentDirectory = "";
2642         GlobalTextureBrowser().m_searchedTags = false;
2643         TextureBrowser_heightChanged( GlobalTextureBrowser() );
2644         TextureBrowser_updateTitle();
2645 }
2646
2647 void TextureBrowser_showUntagged(){
2648         TextureBrowser &textureBrowser = GlobalTextureBrowser();
2649         auto result = ui::alert( textureBrowser.m_parent, "WARNING! This function might need a lot of memory and time. Are you sure you want to use it?", "Show Untagged", ui::alert_type::YESNO, ui::alert_icon::Warning );
2650
2651         if ( result == ui::alert_response::YES ) {
2652                 textureBrowser.m_found_shaders.clear();
2653                 TagBuilder.GetUntagged( textureBrowser.m_found_shaders );
2654                 std::set<CopiedString>::iterator iter;
2655
2656                 ScopeDisableScreenUpdates disableScreenUpdates( "Searching untagged textures...", "Loading Textures" );
2657
2658                 for ( iter = textureBrowser.m_found_shaders.begin(); iter != textureBrowser.m_found_shaders.end(); iter++ )
2659                 {
2660                         std::string path = ( *iter ).c_str();
2661                         size_t pos = path.find_last_of( "/", path.size() );
2662                         std::string name = path.substr( pos + 1, path.size() );
2663                         path = path.substr( 0, pos + 1 );
2664                         TextureDirectory_loadTexture( path.c_str(), name.c_str() );
2665                         globalErrorStream() << path.c_str() << name.c_str() << "\n";
2666                 }
2667
2668                 g_TextureBrowser_currentDirectory = "Untagged";
2669                 TextureBrowser_queueDraw( GlobalTextureBrowser() );
2670                 TextureBrowser_heightChanged( textureBrowser );
2671                 TextureBrowser_updateTitle();
2672         }
2673 }
2674
2675 void TextureBrowser_FixedSize(){
2676         g_TextureBrowser_fixedSize ^= 1;
2677         GlobalTextureBrowser().m_fixedsize_item.update();
2678         TextureBrowser_activeShadersChanged( GlobalTextureBrowser() );
2679 }
2680
2681 void TextureBrowser_FilterMissing(){
2682         g_TextureBrowser_filterMissing ^= 1;
2683         GlobalTextureBrowser().m_filternotex_item.update();
2684         TextureBrowser_activeShadersChanged( GlobalTextureBrowser() );
2685         TextureBrowser_RefreshShaders();
2686 }
2687
2688 void TextureBrowser_FilterFallback(){
2689         g_TextureBrowser_filterFallback ^= 1;
2690         GlobalTextureBrowser().m_hidenotex_item.update();
2691         TextureBrowser_activeShadersChanged( GlobalTextureBrowser() );
2692         TextureBrowser_RefreshShaders();
2693 }
2694
2695 void TextureBrowser_EnableAlpha(){
2696         g_TextureBrowser_enableAlpha ^= 1;
2697         GlobalTextureBrowser().m_enablealpha_item.update();
2698         TextureBrowser_activeShadersChanged( GlobalTextureBrowser() );
2699 }
2700
2701 void TextureBrowser_exportTitle( const Callback<void(const char *)> & importer ){
2702         StringOutputStream buffer( 64 );
2703         buffer << "Textures: ";
2704         if ( !string_empty( g_TextureBrowser_currentDirectory.c_str() ) ) {
2705                 buffer << g_TextureBrowser_currentDirectory.c_str();
2706         }
2707         else
2708         {
2709                 buffer << "all";
2710         }
2711         importer( buffer.c_str() );
2712 }
2713
2714 struct TextureScale {
2715         static void Export(const TextureBrowser &self, const Callback<void(int)> &returnz) {
2716                 switch (self.m_textureScale) {
2717                         case 10:
2718                                 returnz(0);
2719                                 break;
2720                         case 25:
2721                                 returnz(1);
2722                                 break;
2723                         case 50:
2724                                 returnz(2);
2725                                 break;
2726                         case 100:
2727                                 returnz(3);
2728                                 break;
2729                         case 200:
2730                                 returnz(4);
2731                                 break;
2732                 }
2733         }
2734
2735         static void Import(TextureBrowser &self, int value) {
2736                 switch (value) {
2737                         case 0:
2738                                 TextureBrowser_setScale(self, 10);
2739                                 break;
2740                         case 1:
2741                                 TextureBrowser_setScale(self, 25);
2742                                 break;
2743                         case 2:
2744                                 TextureBrowser_setScale(self, 50);
2745                                 break;
2746                         case 3:
2747                                 TextureBrowser_setScale(self, 100);
2748                                 break;
2749                         case 4:
2750                                 TextureBrowser_setScale(self, 200);
2751                                 break;
2752                 }
2753         }
2754 };
2755
2756 struct UniformTextureSize {
2757         static void Export(const TextureBrowser &self, const Callback<void(int)> &returnz) {
2758                 returnz(GlobalTextureBrowser().m_uniformTextureSize);
2759         }
2760
2761         static void Import(TextureBrowser &self, int value) {
2762                 if (value > 16)
2763                         TextureBrowser_setUniformSize(self, value);
2764         }
2765 };
2766
2767 void TextureBrowser_constructPreferences( PreferencesPage& page ){
2768         page.appendCheckBox(
2769                 "", "Texture scrollbar",
2770                 make_property<TextureBrowser_ShowScrollbar>(GlobalTextureBrowser())
2771                 );
2772         {
2773                 const char* texture_scale[] = { "10%", "25%", "50%", "100%", "200%" };
2774                 page.appendCombo(
2775                         "Texture Thumbnail Scale",
2776                         STRING_ARRAY_RANGE( texture_scale ),
2777                         make_property<TextureScale>(GlobalTextureBrowser())
2778                         );
2779         }
2780         page.appendSpinner(
2781                 "Texture Thumbnail Size",
2782                 GlobalTextureBrowser().m_uniformTextureSize,
2783                 GlobalTextureBrowser().m_uniformTextureSize,
2784                 16, 8192
2785         );
2786         page.appendEntry( "Mousewheel Increment", GlobalTextureBrowser().m_mouseWheelScrollIncrement );
2787         {
2788                 const char* startup_shaders[] = { "None", TextureBrowser_getCommonShadersName() };
2789                 page.appendCombo( "Load Shaders at Startup", reinterpret_cast<int&>( GlobalTextureBrowser().m_startupShaders ), STRING_ARRAY_RANGE( startup_shaders ) );
2790         }
2791 }
2792 void TextureBrowser_constructPage( PreferenceGroup& group ){
2793         PreferencesPage page( group.createPage( "Texture Browser", "Texture Browser Preferences" ) );
2794         TextureBrowser_constructPreferences( page );
2795 }
2796
2797 void TextureBrowser_registerPreferencesPage(){
2798         PreferencesDialog_addSettingsPage( makeCallbackF(TextureBrowser_constructPage) );
2799 }
2800
2801
2802 #include "preferencesystem.h"
2803 #include "stringio.h"
2804
2805
2806 void TextureClipboard_textureSelected( const char* shader );
2807
2808 void TextureBrowser_Construct(){
2809         TextureBrowser &textureBrowser = GlobalTextureBrowser();
2810
2811         GlobalCommands_insert( "ShaderInfo", makeCallbackF(TextureBrowser_shaderInfo) );
2812         GlobalCommands_insert( "ShowUntagged", makeCallbackF(TextureBrowser_showUntagged) );
2813         GlobalCommands_insert( "AddTag", makeCallbackF(TextureBrowser_addTag) );
2814         GlobalCommands_insert( "RenameTag", makeCallbackF(TextureBrowser_renameTag) );
2815         GlobalCommands_insert( "DeleteTag", makeCallbackF(TextureBrowser_deleteTag) );
2816         GlobalCommands_insert( "CopyTag", makeCallbackF(TextureBrowser_copyTag) );
2817         GlobalCommands_insert( "PasteTag", makeCallbackF(TextureBrowser_pasteTag) );
2818         GlobalCommands_insert( "RefreshShaders", makeCallbackF(VFS_Refresh) );
2819         GlobalToggles_insert( "ShowInUse", makeCallbackF(TextureBrowser_ToggleHideUnused), ToggleItem::AddCallbackCaller( textureBrowser.m_hideunused_item ), Accelerator( 'U' ) );
2820         GlobalCommands_insert( "ShowAllTextures", makeCallbackF(TextureBrowser_showAll), Accelerator( 'A', (GdkModifierType)GDK_CONTROL_MASK ) );
2821         GlobalCommands_insert( "ToggleTextures", makeCallbackF(TextureBrowser_toggleShow), Accelerator( 'T' ) );
2822         GlobalToggles_insert( "ToggleShowShaders", makeCallbackF(TextureBrowser_ToggleShowShaders), ToggleItem::AddCallbackCaller( textureBrowser.m_showshaders_item ) );
2823         GlobalToggles_insert( "ToggleShowShaderlistOnly", makeCallbackF(TextureBrowser_ToggleShowShaderListOnly), ToggleItem::AddCallbackCaller( textureBrowser.m_showshaderlistonly_item ) );
2824         GlobalToggles_insert( "FixedSize", makeCallbackF(TextureBrowser_FixedSize), ToggleItem::AddCallbackCaller( textureBrowser.m_fixedsize_item ) );
2825         GlobalToggles_insert( "FilterMissing", makeCallbackF(TextureBrowser_FilterMissing), ToggleItem::AddCallbackCaller( textureBrowser.m_filternotex_item ) );
2826         GlobalToggles_insert( "FilterFallback", makeCallbackF(TextureBrowser_FilterFallback), ToggleItem::AddCallbackCaller( textureBrowser.m_hidenotex_item ) );
2827         GlobalToggles_insert( "EnableAlpha", makeCallbackF(TextureBrowser_EnableAlpha), ToggleItem::AddCallbackCaller( textureBrowser.m_enablealpha_item ) );
2828
2829         GlobalPreferenceSystem().registerPreference( "TextureScale", make_property_string<TextureScale>(textureBrowser) );
2830         GlobalPreferenceSystem().registerPreference( "UniformTextureSize", make_property_string<UniformTextureSize>(textureBrowser) );
2831         GlobalPreferenceSystem().registerPreference( "TextureScrollbar", make_property_string<TextureBrowser_ShowScrollbar>(textureBrowser));
2832         GlobalPreferenceSystem().registerPreference( "ShowShaders", make_property_string( textureBrowser.m_showShaders ) );
2833         GlobalPreferenceSystem().registerPreference( "ShowShaderlistOnly", make_property_string( g_TextureBrowser_shaderlistOnly ) );
2834         GlobalPreferenceSystem().registerPreference( "FixedSize", make_property_string( g_TextureBrowser_fixedSize ) );
2835         GlobalPreferenceSystem().registerPreference( "FilterMissing", make_property_string( g_TextureBrowser_filterMissing ) );
2836         GlobalPreferenceSystem().registerPreference( "EnableAlpha", make_property_string( g_TextureBrowser_enableAlpha ) );
2837         GlobalPreferenceSystem().registerPreference( "LoadShaders", make_property_string( reinterpret_cast<int&>( textureBrowser.m_startupShaders ) ) );
2838         GlobalPreferenceSystem().registerPreference( "WheelMouseInc", make_property_string( textureBrowser.m_mouseWheelScrollIncrement ) );
2839         GlobalPreferenceSystem().registerPreference( "SI_Colors0", make_property_string( textureBrowser.color_textureback ) );
2840
2841         textureBrowser.shader = texdef_name_default();
2842
2843         Textures_setModeChangedNotify( ReferenceCaller<TextureBrowser, void(), TextureBrowser_queueDraw>( textureBrowser ) );
2844
2845         TextureBrowser_registerPreferencesPage();
2846
2847         GlobalShaderSystem().attach( g_ShadersObserver );
2848
2849         TextureBrowser_textureSelected = TextureClipboard_textureSelected;
2850 }
2851
2852 void TextureBrowser_Destroy(){
2853         GlobalShaderSystem().detach( g_ShadersObserver );
2854
2855         Textures_setModeChangedNotify( Callback<void()>() );
2856 }
2857
2858 #if WORKAROUND_WINDOWS_GTK2_GLWIDGET
2859 ui::GLArea TextureBrowser_getGLWidget(){
2860         return GlobalTextureBrowser().m_gl_widget;
2861 }
2862 #endif // WORKAROUND_WINDOWS_GTK2_GLWIDGET