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         // Doom3-like dds/ prefix (used by DarkPlaces).
 827         // When we list dds/textures/ folder,
 828         // store the texture names without dds/ prefix.
 829         if ( !strncmp( "dds/", directory, 4 ) )
 830         {
 831                 directory = &directory[ 4 ];
 832         }
 833
 834         StringOutputStream name( 256 );
 835         name << directory << StringRange( texture, path_get_filename_base_end( texture ) );
 836
 837         if ( texture_name_ignore( name.c_str() ) ) {
 838                 return;
 839         }
 840
 841         if ( !shader_valid( name.c_str() ) ) {
 842                 globalOutputStream() << "Skipping invalid texture name: [" << name.c_str() << "]\n";
 843                 return;
 844         }
 845
 846         // if a texture is already in use to represent a shader, ignore it
 847         IShader* shader = QERApp_Shader_ForName( name.c_str() );
 848         shader->DecRef();
 849 }
 850
 851 typedef ConstPointerCaller<char, void(const char*), TextureDirectory_loadTexture> TextureDirectoryLoadTextureCaller;
 852
 853 class LoadTexturesByTypeVisitor : public ImageModules::Visitor
 854 {
 855 const char* m_dirstring;
 856 public:
 857 LoadTexturesByTypeVisitor( const char* dirstring )
 858         : m_dirstring( dirstring ){
 859 }
 860
 861 void visit( const char* minor, const _QERPlugImageTable& table ) const {
 862         GlobalFileSystem().forEachFile( m_dirstring, minor, TextureDirectoryLoadTextureCaller( m_dirstring ) );
 863 }
 864 };
 865
 866 void TextureBrowser_ShowDirectory( TextureBrowser& textureBrowser, const char* directory ){
 867         if ( TextureBrowser_showWads() ) {
 868                 g_TextureBrowser_currentDirectory = directory;
 869                 TextureBrowser_heightChanged( textureBrowser );
 870
 871                 Archive* archive = GlobalFileSystem().getArchive( directory );
 872                 if ( archive != nullptr )
 873                 {
 874                         LoadShaderVisitor visitor;
 875                         archive->forEachFile( Archive::VisitorFunc( visitor, Archive::eFiles, 0 ), "textures/" );
 876
 877                         // Doom3-like dds/ prefix (used by DarkPlaces).
 878                         archive->forEachFile( Archive::VisitorFunc( visitor, Archive::eFiles, 0 ), "dds/textures/" );
 879                 }
 880                 else if ( extension_equal_i( path_get_extension( directory ), "wad" ) )
 881                 {
 882                         globalErrorStream() << "Failed to load " << directory << "\n";
 883                 }
 884         }
 885         else
 886         {
 887                 g_TextureBrowser_currentDirectory = directory;
 888                 TextureBrowser_heightChanged( textureBrowser );
 889
 890                 std::size_t shaders_count;
 891                 GlobalShaderSystem().foreachShaderName(makeCallback( TextureCategoryLoadShader( directory, shaders_count ) ) );
 892                 globalOutputStream() << "Showing " << Unsigned( shaders_count ) << " shaders.\n";
 893
 894                 if ( g_pGameDescription->mGameType != "doom3" ) {
 895                         // load remaining texture files
 896
 897                         StringOutputStream dirstring( 64 );
 898                         dirstring << "textures/" << directory;
 899
 900                         {
 901                                 LoadTexturesByTypeVisitor visitor( dirstring.c_str() );
 902                                 Radiant_getImageModules().foreachModule( visitor );
 903                         }
 904
 905                         // Doom3-like dds/ prefix (used by DarkPlaces).
 906                         dirstring.clear();
 907                         dirstring << "dds/textures/" << directory;
 908
 909                         {
 910                                 LoadTexturesByTypeVisitor visitor( dirstring.c_str() );
 911                                 Radiant_getImageModules().foreachModule( visitor );
 912                         }
 913                 }
 914         }
 915
 916         // we'll display the newly loaded textures + all the ones already in use
 917         TextureBrowser_SetHideUnused( textureBrowser, false );
 918
 919         TextureBrowser_updateTitle();
 920 }
 921
 922 void TextureBrowser_ShowTagSearchResult( TextureBrowser& textureBrowser, const char* directory ){
 923         g_TextureBrowser_currentDirectory = directory;
 924         TextureBrowser_heightChanged( textureBrowser );
 925
 926         std::size_t shaders_count;
 927         GlobalShaderSystem().foreachShaderName(makeCallback( TextureCategoryLoadShader( directory, shaders_count ) ) );
 928         globalOutputStream() << "Showing " << Unsigned( shaders_count ) << " shaders.\n";
 929
 930         if ( g_pGameDescription->mGameType != "doom3" ) {
 931                 // load remaining texture files
 932                 StringOutputStream dirstring( 64 );
 933                 dirstring << "textures/" << directory;
 934
 935                 {
 936                         LoadTexturesByTypeVisitor visitor( dirstring.c_str() );
 937                         Radiant_getImageModules().foreachModule( visitor );
 938                 }
 939
 940                 // Doom3-like dds/ prefix (used by DarkPlaces).
 941                 dirstring.clear();
 942                 dirstring << "dds/textures/" << directory;
 943
 944                 {
 945                         LoadTexturesByTypeVisitor visitor( dirstring.c_str() );
 946                         Radiant_getImageModules().foreachModule( visitor );
 947                 }
 948         }
 949
 950         // we'll display the newly loaded textures + all the ones already in use
 951         TextureBrowser_SetHideUnused( textureBrowser, false );
 952 }
 953
 954
 955 bool TextureBrowser_hideUnused();
 956
 957 void TextureBrowser_hideUnusedExport( const Callback<void(bool)> & importer ){
 958         importer( TextureBrowser_hideUnused() );
 959 }
 960
 961 typedef FreeCaller<void(const Callback<void(bool)> &), TextureBrowser_hideUnusedExport> TextureBrowserHideUnusedExport;
 962
 963 void TextureBrowser_showShadersExport( const Callback<void(bool)> & importer ){
 964         importer( GlobalTextureBrowser().m_showShaders );
 965 }
 966
 967 typedef FreeCaller<void(const Callback<void(bool)> &), TextureBrowser_showShadersExport> TextureBrowserShowShadersExport;
 968
 969 void TextureBrowser_showShaderlistOnly( const Callback<void(bool)> & importer ){
 970         importer( g_TextureBrowser_shaderlistOnly );
 971 }
 972
 973 typedef FreeCaller<void(const Callback<void(bool)> &), TextureBrowser_showShaderlistOnly> TextureBrowserShowShaderlistOnlyExport;
 974
 975 void TextureBrowser_fixedSize( const Callback<void(bool)> & importer ){
 976         importer( g_TextureBrowser_fixedSize );
 977 }
 978
 979 typedef FreeCaller<void(const Callback<void(bool)> &), TextureBrowser_fixedSize> TextureBrowser_FixedSizeExport;
 980
 981 void TextureBrowser_filterMissing( const Callback<void(bool)> & importer ){
 982         importer( g_TextureBrowser_filterMissing );
 983 }
 984
 985 typedef FreeCaller<void(const Callback<void(bool)> &), TextureBrowser_filterMissing> TextureBrowser_filterMissingExport;
 986
 987 void TextureBrowser_filterFallback( const Callback<void(bool)> & importer ){
 988         importer( g_TextureBrowser_filterFallback );
 989 }
 990
 991 typedef FreeCaller<void(const Callback<void(bool)> &), TextureBrowser_filterFallback> TextureBrowser_filterFallbackExport;
 992
 993 void TextureBrowser_enableAlpha( const Callback<void(bool)> & importer ){
 994         importer( g_TextureBrowser_enableAlpha );
 995 }
 996
 997 typedef FreeCaller<void(const Callback<void(bool)> &), TextureBrowser_enableAlpha> TextureBrowser_enableAlphaExport;
 998
 999 void TextureBrowser_SetHideUnused( TextureBrowser& textureBrowser, bool hideUnused ){
1000         if ( hideUnused ) {
1001                 textureBrowser.m_hideUnused = true;
1002         }
1003         else
1004         {
1005                 textureBrowser.m_hideUnused = false;
1006         }
1007
1008         textureBrowser.m_hideunused_item.update();
1009
1010         TextureBrowser_heightChanged( textureBrowser );
1011         textureBrowser.m_originInvalid = true;
1012 }
1013
1014 void TextureBrowser_ShowStartupShaders( TextureBrowser& textureBrowser ){
1015         if ( textureBrowser.m_startupShaders == STARTUPSHADERS_COMMON ) {
1016                 TextureBrowser_ShowDirectory( textureBrowser, TextureBrowser_getCommonShadersDir() );
1017         }
1018 }
1019
1020
1021 //++timo NOTE: this is a mix of Shader module stuff and texture explorer
1022 // it might need to be split in parts or moved out .. dunno
1023 // scroll origin so the specified texture is completely on screen
1024 // if current texture is not displayed, nothing is changed
1025 void TextureBrowser_Focus( TextureBrowser& textureBrowser, const char* name ){
1026         TextureLayout layout;
1027         // scroll origin so the texture is completely on screen
1028         Texture_StartPos( layout );
1029
1030         for ( QERApp_ActiveShaders_IteratorBegin(); !QERApp_ActiveShaders_IteratorAtEnd(); QERApp_ActiveShaders_IteratorIncrement() )
1031         {
1032                 IShader* shader = QERApp_ActiveShaders_IteratorCurrent();
1033
1034                 if ( !Texture_IsShown( shader, textureBrowser.m_showShaders, textureBrowser.m_hideUnused ) ) {
1035                         continue;
1036                 }
1037
1038                 int x, y;
1039                 Texture_NextPos( textureBrowser, layout, shader->getTexture(), &x, &y );
1040                 qtexture_t* q = shader->getTexture();
1041                 if ( !q ) {
1042                         break;
1043                 }
1044
1045                 // we have found when texdef->name and the shader name match
1046                 // NOTE: as everywhere else for our comparisons, we are not case sensitive
1047                 if ( shader_equal( name, shader->getName() ) ) {
1048                         int textureHeight = (int)( q->height * ( (float)textureBrowser.m_textureScale / 100 ) )
1049                                                                 + 2 * TextureBrowser_fontHeight( textureBrowser );
1050
1051                         int originy = TextureBrowser_getOriginY( textureBrowser );
1052                         if ( y > originy ) {
1053                                 originy = y;
1054                         }
1055
1056                         if ( y - textureHeight < originy - textureBrowser.height ) {
1057                                 originy = ( y - textureHeight ) + textureBrowser.height;
1058                         }
1059
1060                         TextureBrowser_setOriginY( textureBrowser, originy );
1061                         return;
1062                 }
1063         }
1064 }
1065
1066 IShader* Texture_At( TextureBrowser& textureBrowser, int mx, int my ){
1067         my += TextureBrowser_getOriginY( textureBrowser ) - textureBrowser.height;
1068
1069         TextureLayout layout;
1070         Texture_StartPos( layout );
1071         for ( QERApp_ActiveShaders_IteratorBegin(); !QERApp_ActiveShaders_IteratorAtEnd(); QERApp_ActiveShaders_IteratorIncrement() )
1072         {
1073                 IShader* shader = QERApp_ActiveShaders_IteratorCurrent();
1074
1075                 if ( !Texture_IsShown( shader, textureBrowser.m_showShaders, textureBrowser.m_hideUnused ) ) {
1076                         continue;
1077                 }
1078
1079                 int x, y;
1080                 Texture_NextPos( textureBrowser, layout, shader->getTexture(), &x, &y );
1081                 qtexture_t  *q = shader->getTexture();
1082                 if ( !q ) {
1083                         break;
1084                 }
1085
1086                 int nWidth = textureBrowser.getTextureWidth( q );
1087                 int nHeight = textureBrowser.getTextureHeight( q );
1088                 if ( mx > x && mx - x < nWidth
1089                          && my < y && y - my < nHeight + TextureBrowser_fontHeight( textureBrowser ) ) {
1090                         return shader;
1091                 }
1092         }
1093
1094         return 0;
1095 }
1096
1097 /*
1098    ==============
1099    SelectTexture
1100
1101    By mouse click
1102    ==============
1103  */
1104 void SelectTexture( TextureBrowser& textureBrowser, int mx, int my, bool bShift ){
1105         IShader* shader = Texture_At( textureBrowser, mx, my );
1106         if ( shader != 0 ) {
1107                 if ( bShift ) {
1108                         if ( shader->IsDefault() ) {
1109                                 globalOutputStream() << "ERROR: " << shader->getName() << " is not a shader, it's a texture.\n";
1110                         }
1111                         else{
1112                                 ViewShader( shader->getShaderFileName(), shader->getName() );
1113                         }
1114                 }
1115                 else
1116                 {
1117                         TextureBrowser_SetSelectedShader( textureBrowser, shader->getName() );
1118                         TextureBrowser_textureSelected( shader->getName() );
1119
1120                         if ( !FindTextureDialog_isOpen() && !textureBrowser.m_rmbSelected ) {
1121                                 UndoableCommand undo( "textureNameSetSelected" );
1122                                 Select_SetShader( shader->getName() );
1123                         }
1124                 }
1125         }
1126 }
1127
1128 /*
1129    ============================================================================
1130
1131    MOUSE ACTIONS
1132
1133    ============================================================================
1134  */
1135
1136 void TextureBrowser_trackingDelta( int x, int y, unsigned int state, void* data ){
1137         TextureBrowser& textureBrowser = *reinterpret_cast<TextureBrowser*>( data );
1138         if ( y != 0 ) {
1139                 int scale = 1;
1140
1141                 if ( state & GDK_SHIFT_MASK ) {
1142                         scale = 4;
1143                 }
1144
1145                 int originy = TextureBrowser_getOriginY( textureBrowser );
1146                 originy += y * scale;
1147                 TextureBrowser_setOriginY( textureBrowser, originy );
1148         }
1149 }
1150
1151 void TextureBrowser_Tracking_MouseDown( TextureBrowser& textureBrowser ){
1152         textureBrowser.m_freezePointer.freeze_pointer( textureBrowser.m_gl_widget, TextureBrowser_trackingDelta, &textureBrowser );
1153 }
1154
1155 void TextureBrowser_Tracking_MouseUp( TextureBrowser& textureBrowser ){
1156         textureBrowser.m_freezePointer.unfreeze_pointer( textureBrowser.m_gl_widget );
1157 }
1158
1159 void TextureBrowser_Selection_MouseDown( TextureBrowser& textureBrowser, guint32 flags, int pointx, int pointy ){
1160         SelectTexture( textureBrowser, pointx, textureBrowser.height - 1 - pointy, ( flags & GDK_SHIFT_MASK ) != 0 );
1161 }
1162
1163 /*
1164    ============================================================================
1165
1166    DRAWING
1167
1168    ============================================================================
1169  */
1170
1171 /*
1172    ============
1173    Texture_Draw
1174    TTimo: relying on the shaders list to display the textures
1175    we must query all qtexture_t* to manage and display through the IShaders interface
1176    this allows a plugin to completely override the texture system
1177    ============
1178  */
1179 void Texture_Draw( TextureBrowser& textureBrowser ){
1180         int originy = TextureBrowser_getOriginY( textureBrowser );
1181
1182         glClearColor( textureBrowser.color_textureback[0],
1183                                   textureBrowser.color_textureback[1],
1184                                   textureBrowser.color_textureback[2],
1185                                   0 );
1186
1187         glViewport( 0, 0, textureBrowser.width, textureBrowser.height );
1188         glMatrixMode( GL_PROJECTION );
1189         glLoadIdentity();
1190
1191         glClear( GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT );
1192         glDisable( GL_DEPTH_TEST );
1193         if ( g_TextureBrowser_enableAlpha ) {
1194                 glEnable( GL_BLEND );
1195                 glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
1196         }
1197         else {
1198                 glDisable( GL_BLEND );
1199         }
1200         glOrtho( 0, textureBrowser.width, originy - textureBrowser.height, originy, -100, 100 );
1201         glEnable( GL_TEXTURE_2D );
1202
1203         glPolygonMode( GL_FRONT_AND_BACK, GL_FILL );
1204
1205         int last_y = 0, last_height = 0;
1206
1207         TextureLayout layout;
1208         Texture_StartPos( layout );
1209         for ( QERApp_ActiveShaders_IteratorBegin(); !QERApp_ActiveShaders_IteratorAtEnd(); QERApp_ActiveShaders_IteratorIncrement() )
1210         {
1211                 IShader* shader = QERApp_ActiveShaders_IteratorCurrent();
1212
1213                 if ( !Texture_IsShown( shader, textureBrowser.m_showShaders, textureBrowser.m_hideUnused ) ) {
1214                         continue;
1215                 }
1216
1217                 int x, y;
1218                 Texture_NextPos( textureBrowser, layout, shader->getTexture(), &x, &y );
1219                 qtexture_t *q = shader->getTexture();
1220                 if ( !q ) {
1221                         break;
1222                 }
1223
1224                 int nWidth = textureBrowser.getTextureWidth( q );
1225                 int nHeight = textureBrowser.getTextureHeight( q );
1226
1227                 if ( y != last_y ) {
1228                         last_y = y;
1229                         last_height = 0;
1230                 }
1231                 last_height = std::max( nHeight, last_height );
1232
1233                 // Is this texture visible?
1234                 if ( ( y - nHeight - TextureBrowser_fontHeight( textureBrowser ) < originy )
1235                          && ( y > originy - textureBrowser.height ) ) {
1236                         // borders rules:
1237                         // if it's the current texture, draw a thick red line, else:
1238                         // shaders have a white border, simple textures don't
1239                         // if !texture_showinuse: (some textures displayed may not be in use)
1240                         // draw an additional square around with 0.5 1 0.5 color
1241                         if ( shader_equal( TextureBrowser_GetSelectedShader( textureBrowser ), shader->getName() ) ) {
1242                                 glLineWidth( 3 );
1243                                 if ( textureBrowser.m_rmbSelected ) {
1244                                         glColor3f( 0,0,1 );
1245                                 }
1246                                 else {
1247                                         glColor3f( 1,0,0 );
1248                                 }
1249                                 glDisable( GL_TEXTURE_2D );
1250
1251                                 glBegin( GL_LINE_LOOP );
1252                                 glVertex2i( x - 4,y - TextureBrowser_fontHeight( textureBrowser ) + 4 );
1253                                 glVertex2i( x - 4,y - TextureBrowser_fontHeight( textureBrowser ) - nHeight - 4 );
1254                                 glVertex2i( x + 4 + nWidth,y - TextureBrowser_fontHeight( textureBrowser ) - nHeight - 4 );
1255                                 glVertex2i( x + 4 + nWidth,y - TextureBrowser_fontHeight( textureBrowser ) + 4 );
1256                                 glEnd();
1257
1258                                 glEnable( GL_TEXTURE_2D );
1259                                 glLineWidth( 1 );
1260                         }
1261                         else
1262                         {
1263                                 glLineWidth( 1 );
1264                                 // shader border:
1265                                 if ( !shader->IsDefault() ) {
1266                                         glColor3f( 1,1,1 );
1267                                         glDisable( GL_TEXTURE_2D );
1268
1269                                         glBegin( GL_LINE_LOOP );
1270                                         glVertex2i( x - 1,y + 1 - TextureBrowser_fontHeight( textureBrowser ) );
1271                                         glVertex2i( x - 1,y - nHeight - 1 - TextureBrowser_fontHeight( textureBrowser ) );
1272                                         glVertex2i( x + 1 + nWidth,y - nHeight - 1 - TextureBrowser_fontHeight( textureBrowser ) );
1273                                         glVertex2i( x + 1 + nWidth,y + 1 - TextureBrowser_fontHeight( textureBrowser ) );
1274                                         glEnd();
1275                                         glEnable( GL_TEXTURE_2D );
1276                                 }
1277
1278                                 // highlight in-use textures
1279                                 if ( !textureBrowser.m_hideUnused && shader->IsInUse() ) {
1280                                         glColor3f( 0.5,1,0.5 );
1281                                         glDisable( GL_TEXTURE_2D );
1282                                         glBegin( GL_LINE_LOOP );
1283                                         glVertex2i( x - 3,y + 3 - TextureBrowser_fontHeight( textureBrowser ) );
1284                                         glVertex2i( x - 3,y - nHeight - 3 - TextureBrowser_fontHeight( textureBrowser ) );
1285                                         glVertex2i( x + 3 + nWidth,y - nHeight - 3 - TextureBrowser_fontHeight( textureBrowser ) );
1286                                         glVertex2i( x + 3 + nWidth,y + 3 - TextureBrowser_fontHeight( textureBrowser ) );
1287                                         glEnd();
1288                                         glEnable( GL_TEXTURE_2D );
1289                                 }
1290                         }
1291
1292                         // draw checkerboard for transparent textures
1293                         if ( g_TextureBrowser_enableAlpha )
1294                         {
1295                                 glDisable( GL_TEXTURE_2D );
1296                                 glBegin( GL_QUADS );
1297                                 int font_height = TextureBrowser_fontHeight( textureBrowser );
1298                                 for ( int i = 0; i < nHeight; i += 8 )
1299                                 {
1300                                         for ( int j = 0; j < nWidth; j += 8 )
1301                                         {
1302                                                 unsigned char color = (i + j) / 8 % 2 ? 0x66 : 0x99;
1303                                                 glColor3ub( color, color, color );
1304                                                 int left = j;
1305                                                 int right = std::min(j+8, nWidth);
1306                                                 int top = i;
1307                                                 int bottom = std::min(i+8, nHeight);
1308                                                 glVertex2i(x + right, y - nHeight - font_height + top);
1309                                                 glVertex2i(x + left,  y - nHeight - font_height + top);
1310                                                 glVertex2i(x + left,  y - nHeight - font_height + bottom);
1311                                                 glVertex2i(x + right, y - nHeight - font_height + bottom);
1312                                         }
1313                                 }
1314                                 glEnd();
1315                                 glEnable( GL_TEXTURE_2D );
1316                         }
1317
1318                         // Draw the texture
1319                         glBindTexture( GL_TEXTURE_2D, q->texture_number );
1320                         GlobalOpenGL_debugAssertNoErrors();
1321                         glColor3f( 1,1,1 );
1322                         glBegin( GL_QUADS );
1323                         glTexCoord2i( 0,0 );
1324                         glVertex2i( x,y - TextureBrowser_fontHeight( textureBrowser ) );
1325                         glTexCoord2i( 1,0 );
1326                         glVertex2i( x + nWidth,y - TextureBrowser_fontHeight( textureBrowser ) );
1327                         glTexCoord2i( 1,1 );
1328                         glVertex2i( x + nWidth,y - TextureBrowser_fontHeight( textureBrowser ) - nHeight );
1329                         glTexCoord2i( 0,1 );
1330                         glVertex2i( x,y - TextureBrowser_fontHeight( textureBrowser ) - nHeight );
1331                         glEnd();
1332
1333                         // draw the texture name
1334                         glDisable( GL_TEXTURE_2D );
1335                         glColor3f( 1,1,1 );
1336
1337                         glRasterPos2i( x, y - TextureBrowser_fontHeight( textureBrowser ) + 5 );
1338
1339                         // don't draw the directory name
1340                         const char* name = shader->getName();
1341                         name += strlen( name );
1342                         while ( name != shader->getName() && *( name - 1 ) != '/' && *( name - 1 ) != '\\' )
1343                                 name--;
1344
1345                         GlobalOpenGL().drawString( name );
1346                         glEnable( GL_TEXTURE_2D );
1347                 }
1348
1349                 //int totalHeight = abs(y) + last_height + TextureBrowser_fontHeight(textureBrowser) + 4;
1350         }
1351
1352
1353         // reset the current texture
1354         glBindTexture( GL_TEXTURE_2D, 0 );
1355         //qglFinish();
1356 }
1357
1358 void TextureBrowser_queueDraw( TextureBrowser& textureBrowser ){
1359         if ( textureBrowser.m_gl_widget ) {
1360                 gtk_widget_queue_draw( textureBrowser.m_gl_widget );
1361         }
1362 }
1363
1364
1365 void TextureBrowser_setScale( TextureBrowser& textureBrowser, std::size_t scale ){
1366         textureBrowser.m_textureScale = scale;
1367
1368         TextureBrowser_queueDraw( textureBrowser );
1369 }
1370
1371 void TextureBrowser_setUniformSize( TextureBrowser& textureBrowser, std::size_t scale ){
1372         textureBrowser.m_uniformTextureSize = scale;
1373
1374         TextureBrowser_queueDraw( textureBrowser );
1375 }
1376
1377
1378 void TextureBrowser_MouseWheel( TextureBrowser& textureBrowser, bool bUp ){
1379         int originy = TextureBrowser_getOriginY( textureBrowser );
1380
1381         if ( bUp ) {
1382                 originy += int(textureBrowser.m_mouseWheelScrollIncrement);
1383         }
1384         else
1385         {
1386                 originy -= int(textureBrowser.m_mouseWheelScrollIncrement);
1387         }
1388
1389         TextureBrowser_setOriginY( textureBrowser, originy );
1390 }
1391
1392 XmlTagBuilder TagBuilder;
1393
1394 enum
1395 {
1396         TAG_COLUMN,
1397         N_COLUMNS
1398 };
1399
1400 void BuildStoreAssignedTags( ui::ListStore store, const char* shader, TextureBrowser* textureBrowser ){
1401         GtkTreeIter iter;
1402
1403         store.clear();
1404
1405         std::vector<CopiedString> assigned_tags;
1406         TagBuilder.GetShaderTags( shader, assigned_tags );
1407
1408         for ( size_t i = 0; i < assigned_tags.size(); i++ )
1409         {
1410                 store.append(TAG_COLUMN, assigned_tags[i].c_str());
1411         }
1412 }
1413
1414 void BuildStoreAvailableTags(   ui::ListStore storeAvailable,
1415                                                                 ui::ListStore storeAssigned,
1416                                                                 const std::set<CopiedString>& allTags,
1417                                                                 TextureBrowser* textureBrowser ){
1418         GtkTreeIter iterAssigned;
1419         GtkTreeIter iterAvailable;
1420         std::set<CopiedString>::const_iterator iterAll;
1421         gchar* tag_assigned;
1422
1423         storeAvailable.clear();
1424
1425         bool row = gtk_tree_model_get_iter_first(storeAssigned, &iterAssigned ) != 0;
1426
1427         if ( !row ) { // does the shader have tags assigned?
1428                 for ( iterAll = allTags.begin(); iterAll != allTags.end(); ++iterAll )
1429                 {
1430                         storeAvailable.append(TAG_COLUMN, (*iterAll).c_str());
1431                 }
1432         }
1433         else
1434         {
1435                 while ( row ) // available tags = all tags - assigned tags
1436                 {
1437                         gtk_tree_model_get(storeAssigned, &iterAssigned, TAG_COLUMN, &tag_assigned, -1 );
1438
1439                         for ( iterAll = allTags.begin(); iterAll != allTags.end(); ++iterAll )
1440                         {
1441                                 if ( strcmp( (char*)tag_assigned, ( *iterAll ).c_str() ) != 0 ) {
1442                                         storeAvailable.append(TAG_COLUMN, (*iterAll).c_str());
1443                                 }
1444                                 else
1445                                 {
1446                                         row = gtk_tree_model_iter_next(storeAssigned, &iterAssigned ) != 0;
1447
1448                                         if ( row ) {
1449                                                 gtk_tree_model_get(storeAssigned, &iterAssigned, TAG_COLUMN, &tag_assigned, -1 );
1450                                         }
1451                                 }
1452                         }
1453                 }
1454         }
1455 }
1456
1457 gboolean TextureBrowser_button_press( ui::Widget widget, GdkEventButton* event, TextureBrowser* textureBrowser ){
1458         if ( event->type == GDK_BUTTON_PRESS ) {
1459                 if ( event->button == 3 ) {
1460                         if ( textureBrowser->m_tags ) {
1461                                 textureBrowser->m_rmbSelected = true;
1462                                 TextureBrowser_Selection_MouseDown( *textureBrowser, event->state, static_cast<int>( event->x ), static_cast<int>( event->y ) );
1463
1464                                 BuildStoreAssignedTags( textureBrowser->m_assigned_store, textureBrowser->shader.c_str(), textureBrowser );
1465                                 BuildStoreAvailableTags( textureBrowser->m_available_store, textureBrowser->m_assigned_store, textureBrowser->m_all_tags, textureBrowser );
1466                                 textureBrowser->m_heightChanged = true;
1467                                 textureBrowser->m_tag_frame.show();
1468
1469                 ui::process();
1470
1471                                 TextureBrowser_Focus( *textureBrowser, textureBrowser->shader.c_str() );
1472                         }
1473                         else
1474                         {
1475                                 TextureBrowser_Tracking_MouseDown( *textureBrowser );
1476                         }
1477                 }
1478                 else if ( event->button == 1 ) {
1479                         TextureBrowser_Selection_MouseDown( *textureBrowser, event->state, static_cast<int>( event->x ), static_cast<int>( event->y ) );
1480
1481                         if ( textureBrowser->m_tags ) {
1482                                 textureBrowser->m_rmbSelected = false;
1483                                 textureBrowser->m_tag_frame.hide();
1484                         }
1485                 }
1486         }
1487         return FALSE;
1488 }
1489
1490 gboolean TextureBrowser_button_release( ui::Widget widget, GdkEventButton* event, TextureBrowser* textureBrowser ){
1491         if ( event->type == GDK_BUTTON_RELEASE ) {
1492                 if ( event->button == 3 ) {
1493                         if ( !textureBrowser->m_tags ) {
1494                                 TextureBrowser_Tracking_MouseUp( *textureBrowser );
1495                         }
1496                 }
1497         }
1498         return FALSE;
1499 }
1500
1501 gboolean TextureBrowser_motion( ui::Widget widget, GdkEventMotion *event, TextureBrowser* textureBrowser ){
1502         return FALSE;
1503 }
1504
1505 gboolean TextureBrowser_scroll( ui::Widget widget, GdkEventScroll* event, TextureBrowser* textureBrowser ){
1506         if ( event->direction == GDK_SCROLL_UP ) {
1507                 TextureBrowser_MouseWheel( *textureBrowser, true );
1508         }
1509         else if ( event->direction == GDK_SCROLL_DOWN ) {
1510                 TextureBrowser_MouseWheel( *textureBrowser, false );
1511         }
1512         return FALSE;
1513 }
1514
1515 void TextureBrowser_scrollChanged( void* data, gdouble value ){
1516         //globalOutputStream() << "vertical scroll\n";
1517         TextureBrowser_setOriginY( *reinterpret_cast<TextureBrowser*>( data ), -(int)value );
1518 }
1519
1520 static void TextureBrowser_verticalScroll(ui::Adjustment adjustment, TextureBrowser* textureBrowser ){
1521         textureBrowser->m_scrollAdjustment.value_changed( gtk_adjustment_get_value(adjustment) );
1522 }
1523
1524 void TextureBrowser_updateScroll( TextureBrowser& textureBrowser ){
1525         if ( textureBrowser.m_showTextureScrollbar ) {
1526                 int totalHeight = TextureBrowser_TotalHeight( textureBrowser );
1527
1528                 totalHeight = std::max( totalHeight, textureBrowser.height );
1529
1530         auto vadjustment = gtk_range_get_adjustment( GTK_RANGE( textureBrowser.m_texture_scroll ) );
1531
1532                 gtk_adjustment_set_value(vadjustment, -TextureBrowser_getOriginY( textureBrowser ));
1533                 gtk_adjustment_set_page_size(vadjustment, textureBrowser.height);
1534                 gtk_adjustment_set_page_increment(vadjustment, textureBrowser.height / 2);
1535                 gtk_adjustment_set_step_increment(vadjustment, 20);
1536                 gtk_adjustment_set_lower(vadjustment, 0);
1537                 gtk_adjustment_set_upper(vadjustment, totalHeight);
1538
1539                 g_signal_emit_by_name( G_OBJECT( vadjustment ), "changed" );
1540         }
1541 }
1542
1543 gboolean TextureBrowser_size_allocate( ui::Widget widget, GtkAllocation* allocation, TextureBrowser* textureBrowser ){
1544         textureBrowser->width = allocation->width;
1545         textureBrowser->height = allocation->height;
1546         TextureBrowser_heightChanged( *textureBrowser );
1547         textureBrowser->m_originInvalid = true;
1548         TextureBrowser_queueDraw( *textureBrowser );
1549         return FALSE;
1550 }
1551
1552 void TextureBrowser_redraw( TextureBrowser* textureBrowser ){
1553         if ( glwidget_make_current( textureBrowser->m_gl_widget ) != FALSE ) {
1554                 GlobalOpenGL_debugAssertNoErrors();
1555                 TextureBrowser_evaluateHeight( *textureBrowser );
1556                 Texture_Draw( *textureBrowser );
1557                 GlobalOpenGL_debugAssertNoErrors();
1558                 glwidget_swap_buffers( textureBrowser->m_gl_widget );
1559         }
1560 }
1561
1562 gboolean TextureBrowser_expose( ui::Widget widget, GdkEventExpose* event, TextureBrowser* textureBrowser ){
1563         TextureBrowser_redraw( textureBrowser );
1564         return FALSE;
1565 }
1566
1567 TextureBrowser& GlobalTextureBrowser(){
1568         static TextureBrowser textureBrowser;
1569         return textureBrowser;
1570 }
1571
1572 bool TextureBrowser_hideUnused(){
1573         return GlobalTextureBrowser().m_hideUnused;
1574 }
1575
1576 void TextureBrowser_ToggleHideUnused(){
1577         TextureBrowser &textureBrowser = GlobalTextureBrowser();
1578         if ( textureBrowser.m_hideUnused ) {
1579                 TextureBrowser_SetHideUnused( textureBrowser, false );
1580         }
1581         else
1582         {
1583                 TextureBrowser_SetHideUnused( textureBrowser, true );
1584         }
1585 }
1586
1587 const char* TextureGroups_transformDirName( const char* dirName, StringOutputStream *archiveName )
1588 {
1589         if ( TextureBrowser_showWads() ) {
1590                 archiveName->clear();
1591                 *archiveName << StringRange( path_get_filename_start( dirName ), path_get_filename_base_end( dirName ) ) \
1592                         << "." << path_get_extension( dirName );
1593                 return archiveName->c_str();
1594         }
1595         return dirName;
1596 }
1597
1598 void TextureGroups_constructTreeModel( TextureGroups groups, ui::TreeStore store ){
1599         // put the information from the old textures menu into a treeview
1600         GtkTreeIter iter, child;
1601
1602         TextureGroups::const_iterator i = groups.begin();
1603         while ( i != groups.end() )
1604         {
1605                 StringOutputStream archiveName;
1606                 StringOutputStream nextArchiveName;
1607                 const char* dirName = TextureGroups_transformDirName( ( *i ).c_str(), &archiveName );
1608
1609                 const char* firstUnderscore = strchr( dirName, '_' );
1610                 StringRange dirRoot( dirName, ( firstUnderscore == 0 ) ? dirName : firstUnderscore + 1 );
1611
1612                 TextureGroups::const_iterator next = i;
1613                 ++next;
1614
1615                 if ( firstUnderscore != 0
1616                          && next != groups.end()
1617                          && string_equal_start( TextureGroups_transformDirName( ( *next ).c_str(), &nextArchiveName ), dirRoot ) ) {
1618                         gtk_tree_store_append( store, &iter, NULL );
1619                         gtk_tree_store_set( store, &iter, 0, CopiedString( StringRange( dirName, firstUnderscore ) ).c_str(), -1 );
1620
1621                         // keep going...
1622                         while ( i != groups.end() && string_equal_start( TextureGroups_transformDirName( ( *i ).c_str(), &nextArchiveName ), dirRoot ) )
1623                         {
1624                                 gtk_tree_store_append( store, &child, &iter );
1625                                 gtk_tree_store_set( store, &child, 0, TextureGroups_transformDirName( ( *i ).c_str(), &nextArchiveName ), -1 );
1626                                 ++i;
1627                         }
1628                 }
1629                 else
1630                 {
1631                         gtk_tree_store_append( store, &iter, NULL );
1632                         gtk_tree_store_set( store, &iter, 0, dirName, -1 );
1633                         ++i;
1634                 }
1635         }
1636 }
1637
1638 TextureGroups TextureGroups_constructTreeView(){
1639         TextureGroups groups;
1640
1641         if ( TextureBrowser_showWads() ) {
1642                 GlobalFileSystem().forEachArchive( TextureGroupsAddWadCaller( groups ) );
1643         }
1644         else
1645         {
1646                 // scan texture dirs and pak files only if not restricting to shaderlist
1647                 if ( g_pGameDescription->mGameType != "doom3" && !g_TextureBrowser_shaderlistOnly ) {
1648                         GlobalFileSystem().forEachDirectory( "textures/", TextureGroupsAddDirectoryCaller( groups ) );
1649                 }
1650
1651                 GlobalShaderSystem().foreachShaderName( TextureGroupsAddShaderCaller( groups ) );
1652         }
1653
1654         return groups;
1655 }
1656
1657 void TextureBrowser_constructTreeStore(){
1658         TextureGroups groups = TextureGroups_constructTreeView();
1659         auto store = ui::TreeStore::from(gtk_tree_store_new( 1, G_TYPE_STRING ));
1660         TextureGroups_constructTreeModel( groups, store );
1661
1662         gtk_tree_view_set_model(GlobalTextureBrowser().m_treeViewTree, store);
1663
1664         g_object_unref( G_OBJECT( store ) );
1665 }
1666
1667 void TextureBrowser_constructTreeStoreTags(){
1668         TextureGroups groups;
1669         TextureBrowser &textureBrowser = GlobalTextureBrowser();
1670         auto store = ui::TreeStore::from(gtk_tree_store_new( 1, G_TYPE_STRING ));
1671         auto model = GlobalTextureBrowser().m_all_tags_list;
1672
1673         gtk_tree_view_set_model(GlobalTextureBrowser().m_treeViewTags, model );
1674
1675         g_object_unref( G_OBJECT( store ) );
1676 }
1677
1678 void TreeView_onRowActivated( ui::TreeView treeview, ui::TreePath path, ui::TreeViewColumn col, gpointer userdata ){
1679         GtkTreeIter iter;
1680
1681     auto model = gtk_tree_view_get_model(treeview );
1682
1683         if ( gtk_tree_model_get_iter( model, &iter, path ) ) {
1684                 gchar dirName[1024];
1685
1686                 gchar* buffer;
1687                 gtk_tree_model_get( model, &iter, 0, &buffer, -1 );
1688                 strcpy( dirName, buffer );
1689                 g_free( buffer );
1690
1691                 GlobalTextureBrowser().m_searchedTags = false;
1692
1693                 if ( !TextureBrowser_showWads() ) {
1694                         strcat( dirName, "/" );
1695                 }
1696
1697                 ScopeDisableScreenUpdates disableScreenUpdates( dirName, "Loading Textures" );
1698                 TextureBrowser_ShowDirectory( GlobalTextureBrowser(), dirName );
1699                 TextureBrowser_queueDraw( GlobalTextureBrowser() );
1700         }
1701 }
1702
1703 void TextureBrowser_createTreeViewTree(){
1704         TextureBrowser &textureBrowser = GlobalTextureBrowser();
1705         gtk_tree_view_set_enable_search(textureBrowser.m_treeViewTree, FALSE );
1706
1707         gtk_tree_view_set_headers_visible(textureBrowser.m_treeViewTree, FALSE );
1708         textureBrowser.m_treeViewTree.connect( "row-activated", (GCallback) TreeView_onRowActivated, NULL );
1709
1710         auto renderer = ui::CellRendererText(ui::New);
1711         gtk_tree_view_insert_column_with_attributes(textureBrowser.m_treeViewTree, -1, "", renderer, "text", 0, NULL );
1712
1713         TextureBrowser_constructTreeStore();
1714 }
1715
1716 void TextureBrowser_addTag();
1717
1718 void TextureBrowser_renameTag();
1719
1720 void TextureBrowser_deleteTag();
1721
1722 void TextureBrowser_createContextMenu( ui::Widget treeview, GdkEventButton *event ){
1723         ui::Widget menu = ui::Menu(ui::New);
1724
1725         ui::Widget menuitem = ui::MenuItem( "Add tag" );
1726         menuitem.connect( "activate", (GCallback)TextureBrowser_addTag, treeview );
1727         gtk_menu_shell_append( GTK_MENU_SHELL( menu ), menuitem );
1728
1729         menuitem = ui::MenuItem( "Rename tag" );
1730         menuitem.connect( "activate", (GCallback)TextureBrowser_renameTag, treeview );
1731         gtk_menu_shell_append( GTK_MENU_SHELL( menu ), menuitem );
1732
1733         menuitem = ui::MenuItem( "Delete tag" );
1734         menuitem.connect( "activate", (GCallback)TextureBrowser_deleteTag, treeview );
1735         gtk_menu_shell_append( GTK_MENU_SHELL( menu ), menuitem );
1736
1737         gtk_widget_show_all( menu );
1738
1739         gtk_menu_popup( GTK_MENU( menu ), NULL, NULL, NULL, NULL,
1740                                         ( event != NULL ) ? event->button : 0,
1741                                         gdk_event_get_time( (GdkEvent*)event ) );
1742 }
1743
1744 gboolean TreeViewTags_onButtonPressed( ui::TreeView treeview, GdkEventButton *event ){
1745         if ( event->type == GDK_BUTTON_PRESS && event->button == 3 ) {
1746                 GtkTreePath *path;
1747         auto selection = gtk_tree_view_get_selection(treeview );
1748
1749                 if ( gtk_tree_view_get_path_at_pos(treeview, event->x, event->y, &path, NULL, NULL, NULL ) ) {
1750                         gtk_tree_selection_unselect_all( selection );
1751                         gtk_tree_selection_select_path( selection, path );
1752                         gtk_tree_path_free( path );
1753                 }
1754
1755                 TextureBrowser_createContextMenu( treeview, event );
1756                 return TRUE;
1757         }
1758         return FALSE;
1759 }
1760
1761 void TextureBrowser_createTreeViewTags(){
1762         TextureBrowser &textureBrowser = GlobalTextureBrowser();
1763         textureBrowser.m_treeViewTags = ui::TreeView(ui::New);
1764         gtk_tree_view_set_enable_search(textureBrowser.m_treeViewTags, FALSE );
1765
1766         textureBrowser.m_treeViewTags.connect( "button-press-event", (GCallback)TreeViewTags_onButtonPressed, NULL );
1767
1768         gtk_tree_view_set_headers_visible(textureBrowser.m_treeViewTags, FALSE );
1769
1770         auto renderer = ui::CellRendererText(ui::New);
1771         gtk_tree_view_insert_column_with_attributes(textureBrowser.m_treeViewTags, -1, "", renderer, "text", 0, NULL );
1772
1773         TextureBrowser_constructTreeStoreTags();
1774 }
1775
1776 ui::MenuItem TextureBrowser_constructViewMenu( ui::Menu menu ){
1777         TextureBrowser &textureBrowser = GlobalTextureBrowser();
1778         ui::MenuItem textures_menu_item = ui::MenuItem(new_sub_menu_item_with_mnemonic( "_View" ));
1779
1780         if ( g_Layout_enableDetachableMenus.m_value ) {
1781                 menu_tearoff( menu );
1782         }
1783
1784         create_check_menu_item_with_mnemonic( menu, "Hide _Unused", "ShowInUse" );
1785         if ( string_empty( g_pGameDescription->getKeyValue( "show_wads" ) ) ) {
1786                 create_check_menu_item_with_mnemonic( menu, "Hide Image Missing", "FilterMissing" );
1787         }
1788
1789         // hide notex and shadernotex on texture browser: no one wants to apply them
1790         create_check_menu_item_with_mnemonic( menu, "Hide Fallback", "FilterFallback" );
1791
1792         menu_separator( menu );
1793
1794         create_menu_item_with_mnemonic( menu, "Show All", "ShowAllTextures" );
1795
1796         // we always want to show shaders but don't want a "Show Shaders" menu for doom3 and .wad file games
1797         if ( g_pGameDescription->mGameType == "doom3" || TextureBrowser_showWads() ) {
1798                 textureBrowser.m_showShaders = true;
1799         }
1800         else
1801         {
1802                 create_check_menu_item_with_mnemonic( menu, "Show shaders", "ToggleShowShaders" );
1803         }
1804
1805         if ( g_pGameDescription->mGameType != "doom3" && string_empty( g_pGameDescription->getKeyValue( "show_wads" ) ) ) {
1806                 create_check_menu_item_with_mnemonic( menu, "Shaders Only", "ToggleShowShaderlistOnly" );
1807         }
1808         if ( textureBrowser.m_tags ) {
1809                 create_menu_item_with_mnemonic( menu, "Show Untagged", "ShowUntagged" );
1810         }
1811
1812         menu_separator( menu );
1813         create_check_menu_item_with_mnemonic( menu, "Fixed Size", "FixedSize" );
1814         create_check_menu_item_with_mnemonic( menu, "Transparency", "EnableAlpha" );
1815
1816         if ( string_empty( g_pGameDescription->getKeyValue( "show_wads" ) ) ) {
1817                 menu_separator( menu );
1818                 textureBrowser.m_shader_info_item = ui::Widget(create_menu_item_with_mnemonic( menu, "Shader Info", "ShaderInfo"  ));
1819                 gtk_widget_set_sensitive( textureBrowser.m_shader_info_item, FALSE );
1820         }
1821
1822
1823         return textures_menu_item;
1824 }
1825
1826 ui::MenuItem TextureBrowser_constructToolsMenu( ui::Menu menu ){
1827         ui::MenuItem textures_menu_item = ui::MenuItem(new_sub_menu_item_with_mnemonic( "_Tools" ));
1828
1829         if ( g_Layout_enableDetachableMenus.m_value ) {
1830                 menu_tearoff( menu );
1831         }
1832
1833         create_menu_item_with_mnemonic( menu, "Flush & Reload Shaders", "RefreshShaders" );
1834         create_menu_item_with_mnemonic( menu, "Find / Replace...", "FindReplaceTextures" );
1835
1836         return textures_menu_item;
1837 }
1838
1839 ui::MenuItem TextureBrowser_constructTagsMenu( ui::Menu menu ){
1840         ui::MenuItem textures_menu_item = ui::MenuItem(new_sub_menu_item_with_mnemonic( "T_ags" ));
1841
1842         if ( g_Layout_enableDetachableMenus.m_value ) {
1843                 menu_tearoff( menu );
1844         }
1845
1846         create_menu_item_with_mnemonic( menu, "Add tag", "AddTag" );
1847         create_menu_item_with_mnemonic( menu, "Rename tag", "RenameTag" );
1848         create_menu_item_with_mnemonic( menu, "Delete tag", "DeleteTag" );
1849         menu_separator( menu );
1850         create_menu_item_with_mnemonic( menu, "Copy tags from selected", "CopyTag" );
1851         create_menu_item_with_mnemonic( menu, "Paste tags to selected", "PasteTag" );
1852
1853         return textures_menu_item;
1854 }
1855
1856 gboolean TextureBrowser_tagMoveHelper( ui::TreeModel model, ui::TreePath path, GtkTreeIter* iter, GSList** selected ){
1857         g_assert( selected != NULL );
1858
1859     auto rowref = gtk_tree_row_reference_new( model, path );
1860         *selected = g_slist_append( *selected, rowref );
1861
1862         return FALSE;
1863 }
1864
1865 void TextureBrowser_assignTags(){
1866         GSList* selected = NULL;
1867         GSList* node;
1868         gchar* tag_assigned;
1869         TextureBrowser &textureBrowser = GlobalTextureBrowser();
1870
1871         auto selection = gtk_tree_view_get_selection(textureBrowser.m_available_tree );
1872
1873         gtk_tree_selection_selected_foreach( selection, (GtkTreeSelectionForeachFunc)TextureBrowser_tagMoveHelper, &selected );
1874
1875         if ( selected != NULL ) {
1876                 for ( node = selected; node != NULL; node = node->next )
1877                 {
1878             auto path = gtk_tree_row_reference_get_path( (GtkTreeRowReference*)node->data );
1879
1880                         if ( path ) {
1881                                 GtkTreeIter iter;
1882
1883                                 if ( gtk_tree_model_get_iter(textureBrowser.m_available_store, &iter, path ) ) {
1884                                         gtk_tree_model_get(textureBrowser.m_available_store, &iter, TAG_COLUMN, &tag_assigned, -1 );
1885                                         if ( !TagBuilder.CheckShaderTag( textureBrowser.shader.c_str() ) ) {
1886                                                 // create a custom shader/texture entry
1887                                                 IShader* ishader = QERApp_Shader_ForName( textureBrowser.shader.c_str() );
1888                                                 CopiedString filename = ishader->getShaderFileName();
1889
1890                                                 if ( filename.empty() ) {
1891                                                         // it's a texture
1892                                                         TagBuilder.AddShaderNode( textureBrowser.shader.c_str(), CUSTOM, TEXTURE );
1893                                                 }
1894                                                 else {
1895                                                         // it's a shader
1896                                                         TagBuilder.AddShaderNode( textureBrowser.shader.c_str(), CUSTOM, SHADER );
1897                                                 }
1898                                                 ishader->DecRef();
1899                                         }
1900                                         TagBuilder.AddShaderTag( textureBrowser.shader.c_str(), (char*)tag_assigned, TAG );
1901
1902                                         gtk_list_store_remove( textureBrowser.m_available_store, &iter );
1903                                         textureBrowser.m_assigned_store.append(TAG_COLUMN, tag_assigned);
1904                                 }
1905                         }
1906                 }
1907
1908                 g_slist_foreach( selected, (GFunc)gtk_tree_row_reference_free, NULL );
1909
1910                 // Save changes
1911                 TagBuilder.SaveXmlDoc();
1912         }
1913         g_slist_free( selected );
1914 }
1915
1916 void TextureBrowser_removeTags(){
1917         GSList* selected = NULL;
1918         GSList* node;
1919         gchar* tag;
1920         TextureBrowser &textureBrowser = GlobalTextureBrowser();
1921
1922         auto selection = gtk_tree_view_get_selection(textureBrowser.m_assigned_tree );
1923
1924         gtk_tree_selection_selected_foreach( selection, (GtkTreeSelectionForeachFunc)TextureBrowser_tagMoveHelper, &selected );
1925
1926         if ( selected != NULL ) {
1927                 for ( node = selected; node != NULL; node = node->next )
1928                 {
1929             auto path = gtk_tree_row_reference_get_path( (GtkTreeRowReference*)node->data );
1930
1931                         if ( path ) {
1932                                 GtkTreeIter iter;
1933
1934                                 if ( gtk_tree_model_get_iter(textureBrowser.m_assigned_store, &iter, path ) ) {
1935                                         gtk_tree_model_get(textureBrowser.m_assigned_store, &iter, TAG_COLUMN, &tag, -1 );
1936                                         TagBuilder.DeleteShaderTag( textureBrowser.shader.c_str(), tag );
1937                                         gtk_list_store_remove( textureBrowser.m_assigned_store, &iter );
1938                                 }
1939                         }
1940                 }
1941
1942                 g_slist_foreach( selected, (GFunc)gtk_tree_row_reference_free, NULL );
1943
1944                 // Update the "available tags list"
1945                 BuildStoreAvailableTags( textureBrowser.m_available_store, textureBrowser.m_assigned_store, textureBrowser.m_all_tags, &textureBrowser );
1946
1947                 // Save changes
1948                 TagBuilder.SaveXmlDoc();
1949         }
1950         g_slist_free( selected );
1951 }
1952
1953 void TextureBrowser_buildTagList(){
1954         TextureBrowser &textureBrowser = GlobalTextureBrowser();
1955         textureBrowser.m_all_tags_list.clear();
1956
1957         std::set<CopiedString>::iterator iter;
1958
1959         for ( iter = textureBrowser.m_all_tags.begin(); iter != textureBrowser.m_all_tags.end(); ++iter )
1960         {
1961                 textureBrowser.m_all_tags_list.append(TAG_COLUMN, (*iter).c_str());
1962         }
1963 }
1964
1965 void TextureBrowser_searchTags(){
1966         GSList* selected = NULL;
1967         GSList* node;
1968         gchar* tag;
1969         char buffer[256];
1970         char tags_searched[256];
1971         TextureBrowser &textureBrowser = GlobalTextureBrowser();
1972
1973         auto selection = gtk_tree_view_get_selection(textureBrowser.m_treeViewTags );
1974
1975         gtk_tree_selection_selected_foreach( selection, (GtkTreeSelectionForeachFunc)TextureBrowser_tagMoveHelper, &selected );
1976
1977         if ( selected != NULL ) {
1978                 strcpy( buffer, "/root/*/*[tag='" );
1979                 strcpy( tags_searched, "[TAGS] " );
1980
1981                 for ( node = selected; node != NULL; node = node->next )
1982                 {
1983             auto path = gtk_tree_row_reference_get_path( (GtkTreeRowReference*)node->data );
1984
1985                         if ( path ) {
1986                                 GtkTreeIter iter;
1987
1988                                 if ( gtk_tree_model_get_iter(textureBrowser.m_all_tags_list, &iter, path ) ) {
1989                                         gtk_tree_model_get(textureBrowser.m_all_tags_list, &iter, TAG_COLUMN, &tag, -1 );
1990
1991                                         strcat( buffer, tag );
1992                                         strcat( tags_searched, tag );
1993                                         if ( node != g_slist_last( node ) ) {
1994                                                 strcat( buffer, "' and tag='" );
1995                                                 strcat( tags_searched, ", " );
1996                                         }
1997                                 }
1998                         }
1999                 }
2000
2001                 strcat( buffer, "']" );
2002
2003                 g_slist_foreach( selected, (GFunc)gtk_tree_row_reference_free, NULL );
2004
2005                 textureBrowser.m_found_shaders.clear(); // delete old list
2006                 TagBuilder.TagSearch( buffer, textureBrowser.m_found_shaders );
2007
2008                 if ( !textureBrowser.m_found_shaders.empty() ) { // found something
2009                         size_t shaders_found = textureBrowser.m_found_shaders.size();
2010
2011                         globalOutputStream() << "Found " << (unsigned int)shaders_found << " textures and shaders with " << tags_searched << "\n";
2012                         ScopeDisableScreenUpdates disableScreenUpdates( "Searching...", "Loading Textures" );
2013
2014                         std::set<CopiedString>::iterator iter;
2015
2016                         for ( iter = textureBrowser.m_found_shaders.begin(); iter != textureBrowser.m_found_shaders.end(); iter++ )
2017                         {
2018                                 std::string path = ( *iter ).c_str();
2019                                 size_t pos = path.find_last_of( "/", path.size() );
2020                                 std::string name = path.substr( pos + 1, path.size() );
2021                                 path = path.substr( 0, pos + 1 );
2022                                 TextureDirectory_loadTexture( path.c_str(), name.c_str() );
2023                         }
2024                 }
2025                 textureBrowser.m_searchedTags = true;
2026                 g_TextureBrowser_currentDirectory = tags_searched;
2027
2028                 textureBrowser.m_nTotalHeight = 0;
2029                 TextureBrowser_setOriginY( textureBrowser, 0 );
2030                 TextureBrowser_heightChanged( textureBrowser );
2031                 TextureBrowser_updateTitle();
2032         }
2033         g_slist_free( selected );
2034 }
2035
2036 void TextureBrowser_toggleSearchButton(){
2037         TextureBrowser &textureBrowser = GlobalTextureBrowser();
2038         gint page = gtk_notebook_get_current_page( GTK_NOTEBOOK( textureBrowser.m_tag_notebook ) );
2039
2040         if ( page == 0 ) { // tag page
2041                 gtk_widget_show_all( textureBrowser.m_search_button );
2042         }
2043         else {
2044                 textureBrowser.m_search_button.hide();
2045         }
2046 }
2047
2048 void TextureBrowser_constructTagNotebook(){
2049         TextureBrowser &textureBrowser = GlobalTextureBrowser();
2050         textureBrowser.m_tag_notebook = ui::Widget::from(gtk_notebook_new());
2051         ui::Widget labelTags = ui::Label( "Tags" );
2052         ui::Widget labelTextures = ui::Label( "Textures" );
2053
2054         gtk_notebook_append_page( GTK_NOTEBOOK( textureBrowser.m_tag_notebook ), textureBrowser.m_scr_win_tree, labelTextures );
2055         gtk_notebook_append_page( GTK_NOTEBOOK( textureBrowser.m_tag_notebook ), textureBrowser.m_scr_win_tags, labelTags );
2056
2057         textureBrowser.m_tag_notebook.connect( "switch-page", G_CALLBACK( TextureBrowser_toggleSearchButton ), NULL );
2058
2059         gtk_widget_show_all( textureBrowser.m_tag_notebook );
2060 }
2061
2062 void TextureBrowser_constructSearchButton(){
2063         auto image = ui::Widget::from(gtk_image_new_from_stock( GTK_STOCK_FIND, GTK_ICON_SIZE_SMALL_TOOLBAR ));
2064         TextureBrowser &textureBrowser = GlobalTextureBrowser();
2065         textureBrowser.m_search_button = ui::Button(ui::New);
2066         textureBrowser.m_search_button.connect( "clicked", G_CALLBACK( TextureBrowser_searchTags ), NULL );
2067         gtk_widget_set_tooltip_text(textureBrowser.m_search_button, "Search with selected tags");
2068         textureBrowser.m_search_button.add(image);
2069 }
2070
2071 void TextureBrowser_checkTagFile(){
2072         const char SHADERTAG_FILE[] = "shadertags.xml";
2073         CopiedString default_filename, rc_filename;
2074         StringOutputStream stream( 256 );
2075         TextureBrowser &textureBrowser = GlobalTextureBrowser();
2076
2077         stream << LocalRcPath_get();
2078         stream << SHADERTAG_FILE;
2079         rc_filename = stream.c_str();
2080
2081         if ( file_exists( rc_filename.c_str() ) ) {
2082                 textureBrowser.m_tags = TagBuilder.OpenXmlDoc( rc_filename.c_str() );
2083
2084                 if ( textureBrowser.m_tags ) {
2085                         globalOutputStream() << "Loading tag file " << rc_filename.c_str() << ".\n";
2086                 }
2087         }
2088         else
2089         {
2090                 // load default tagfile
2091                 stream.clear();
2092                 stream << g_pGameDescription->mGameToolsPath.c_str();
2093                 stream << SHADERTAG_FILE;
2094                 default_filename = stream.c_str();
2095
2096                 if ( file_exists( default_filename.c_str() ) ) {
2097                         textureBrowser.m_tags = TagBuilder.OpenXmlDoc( default_filename.c_str(), rc_filename.c_str() );
2098
2099                         if ( textureBrowser.m_tags ) {
2100                                 globalOutputStream() << "Loading default tag file " << default_filename.c_str() << ".\n";
2101                         }
2102                 }
2103                 else
2104                 {
2105                         globalErrorStream() << "Unable to find default tag file " << default_filename.c_str() << ". No tag support.\n";
2106                 }
2107         }
2108 }
2109
2110 void TextureBrowser_SetNotex(){
2111         IShader* notex = QERApp_Shader_ForName( DEFAULT_NOTEX_NAME );
2112         IShader* shadernotex = QERApp_Shader_ForName( DEFAULT_SHADERNOTEX_NAME );
2113
2114         g_notex = notex->getTexture()->name;
2115
2116         g_shadernotex = shadernotex->getTexture()->name;
2117
2118         notex->DecRef();
2119         shadernotex->DecRef();
2120 }
2121
2122 static bool isGLWidgetConstructed = false;
2123 static bool isWindowConstructed = false;
2124
2125 void TextureBrowser_constructGLWidget(){
2126         TextureBrowser &textureBrowser = GlobalTextureBrowser();
2127         textureBrowser.m_gl_widget = glwidget_new( FALSE );
2128         g_object_ref( textureBrowser.m_gl_widget._handle );
2129
2130         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 );
2131         gtk_widget_set_can_focus( textureBrowser.m_gl_widget, true );
2132
2133         textureBrowser.m_sizeHandler = textureBrowser.m_gl_widget.connect( "size_allocate", G_CALLBACK( TextureBrowser_size_allocate ), &textureBrowser );
2134         textureBrowser.m_exposeHandler = textureBrowser.m_gl_widget.on_render( G_CALLBACK( TextureBrowser_expose ), &textureBrowser );
2135
2136         textureBrowser.m_gl_widget.connect( "button_press_event", G_CALLBACK( TextureBrowser_button_press ), &textureBrowser );
2137         textureBrowser.m_gl_widget.connect( "button_release_event", G_CALLBACK( TextureBrowser_button_release ), &textureBrowser );
2138         textureBrowser.m_gl_widget.connect( "motion_notify_event", G_CALLBACK( TextureBrowser_motion ), &textureBrowser );
2139         textureBrowser.m_gl_widget.connect( "scroll_event", G_CALLBACK( TextureBrowser_scroll ), &textureBrowser );
2140
2141 #ifdef WORKAROUND_MACOS_GTK2_GLWIDGET
2142         textureBrowser.m_hframe.pack_start( textureBrowser.m_gl_widget, TRUE, TRUE, 0 );
2143 #else // !WORKAROUND_MACOS_GTK2_GLWIDGET
2144         textureBrowser.m_frame.pack_start( textureBrowser.m_gl_widget, TRUE, TRUE, 0 );
2145 #endif // !WORKAROUND_MACOS_GTK2_GLWIDGET
2146
2147         textureBrowser.m_gl_widget.show();
2148
2149         isGLWidgetConstructed = true;
2150 }
2151
2152 ui::Widget TextureBrowser_constructWindow( ui::Window toplevel ){
2153         // The gl_widget and the tag assignment frame should be packed into a GtkVPaned with the slider
2154         // position stored in local.pref. gtk_paned_get_position() and gtk_paned_set_position() don't
2155         // seem to work in gtk 2.4 and the arrow buttons don't handle GTK_FILL, so here's another thing
2156         // for the "once-the-gtk-libs-are-updated-TODO-list" :x
2157         TextureBrowser &textureBrowser = GlobalTextureBrowser();
2158
2159         TextureBrowser_checkTagFile();
2160         TextureBrowser_SetNotex();
2161
2162         GlobalShaderSystem().setActiveShadersChangedNotify( ReferenceCaller<TextureBrowser, void(), TextureBrowser_activeShadersChanged>( textureBrowser ) );
2163
2164         textureBrowser.m_parent = toplevel;
2165
2166         auto table = ui::Table(3, 3, FALSE);
2167         auto vbox = ui::VBox(FALSE, 0);
2168         table.attach(vbox, {0, 1, 1, 3}, {GTK_FILL, GTK_FILL});
2169         vbox.show();
2170
2171         ui::Widget menu_bar{ui::null};
2172
2173         { // menu bar
2174                 menu_bar = ui::Widget::from(gtk_menu_bar_new());
2175                 auto menu_view = ui::Menu(ui::New);
2176                 auto view_item = TextureBrowser_constructViewMenu( menu_view );
2177                 gtk_menu_item_set_submenu( GTK_MENU_ITEM( view_item ), menu_view );
2178                 gtk_menu_shell_append( GTK_MENU_SHELL( menu_bar ), view_item );
2179
2180                 auto menu_tools = ui::Menu(ui::New);
2181                 auto tools_item = TextureBrowser_constructToolsMenu( menu_tools );
2182                 gtk_menu_item_set_submenu( GTK_MENU_ITEM( tools_item ), menu_tools );
2183                 gtk_menu_shell_append( GTK_MENU_SHELL( menu_bar ), tools_item );
2184
2185                 table.attach(menu_bar, {0, 3, 0, 1}, {GTK_FILL, GTK_SHRINK});
2186                 menu_bar.show();
2187         }
2188         { // Texture TreeView
2189                 textureBrowser.m_scr_win_tree = ui::ScrolledWindow(ui::New);
2190                 gtk_container_set_border_width( GTK_CONTAINER( textureBrowser.m_scr_win_tree ), 0 );
2191
2192                 // vertical only scrolling for treeview
2193                 gtk_scrolled_window_set_policy( GTK_SCROLLED_WINDOW( textureBrowser.m_scr_win_tree ), GTK_POLICY_NEVER, GTK_POLICY_ALWAYS );
2194
2195                 textureBrowser.m_scr_win_tree.show();
2196
2197                 TextureBrowser_createTreeViewTree();
2198
2199                 gtk_scrolled_window_add_with_viewport( GTK_SCROLLED_WINDOW( textureBrowser.m_scr_win_tree ), textureBrowser.m_treeViewTree  );
2200                 textureBrowser.m_treeViewTree.show();
2201         }
2202         { // gl_widget scrollbar
2203                 auto w = ui::Widget::from(gtk_vscrollbar_new( ui::Adjustment( 0,0,0,1,1,0 ) ));
2204                 table.attach(w, {2, 3, 1, 2}, {GTK_SHRINK, GTK_FILL});
2205                 w.show();
2206                 textureBrowser.m_texture_scroll = w;
2207
2208                 auto vadjustment = ui::Adjustment::from(gtk_range_get_adjustment( GTK_RANGE( textureBrowser.m_texture_scroll ) ));
2209                 vadjustment.connect( "value_changed", G_CALLBACK( TextureBrowser_verticalScroll ), &textureBrowser );
2210
2211                 textureBrowser.m_texture_scroll.visible(textureBrowser.m_showTextureScrollbar);
2212         }
2213         { // gl_widget
2214 #ifdef WORKAROUND_MACOS_GTK2_GLWIDGET
2215                 textureBrowser.m_vframe = ui::VBox( FALSE, 0 );
2216                 table.attach(textureBrowser.m_vframe, {1, 2, 1, 2});
2217
2218                 textureBrowser.m_vfiller = ui::VBox( FALSE, 0 );
2219                 textureBrowser.m_vframe.pack_start( textureBrowser.m_vfiller, FALSE, FALSE, 0 );
2220
2221                 textureBrowser.m_hframe = ui::HBox( FALSE, 0 );
2222                 textureBrowser.m_vframe.pack_start( textureBrowser.m_hframe, TRUE, TRUE, 0 );
2223
2224                 textureBrowser.m_hfiller = ui::HBox( FALSE, 0 );
2225                 textureBrowser.m_hframe.pack_start( textureBrowser.m_hfiller, FALSE, FALSE, 0 );
2226
2227                 textureBrowser.m_vframe.show();
2228                 textureBrowser.m_vfiller.show();
2229                 textureBrowser.m_hframe.show(),
2230                 textureBrowser.m_hfiller.show();
2231 #else // !WORKAROUND_MACOS_GTK2_GLWIDGET
2232                 textureBrowser.m_frame = ui::VBox( FALSE, 0 );
2233                 table.attach(textureBrowser.m_frame, {1, 2, 1, 2});
2234                 textureBrowser.m_frame.show();
2235 #endif // !WORKAROUND_MACOS_GTK2_GLWIDGET
2236
2237                 TextureBrowser_constructGLWidget();
2238         }
2239
2240         // tag stuff
2241         if ( textureBrowser.m_tags ) {
2242                 { // fill tag GtkListStore
2243                         textureBrowser.m_all_tags_list = ui::ListStore::from(gtk_list_store_new( N_COLUMNS, G_TYPE_STRING ));
2244             auto sortable = GTK_TREE_SORTABLE( textureBrowser.m_all_tags_list );
2245                         gtk_tree_sortable_set_sort_column_id( sortable, TAG_COLUMN, GTK_SORT_ASCENDING );
2246
2247                         TagBuilder.GetAllTags( textureBrowser.m_all_tags );
2248                         TextureBrowser_buildTagList();
2249                 }
2250                 { // tag menu bar
2251                         auto menu_tags = ui::Menu(ui::New);
2252                         auto tags_item = TextureBrowser_constructTagsMenu( menu_tags );
2253                         gtk_menu_item_set_submenu( GTK_MENU_ITEM( tags_item ), menu_tags );
2254                         gtk_menu_shell_append( GTK_MENU_SHELL( menu_bar ), tags_item );
2255                 }
2256                 { // Tag TreeView
2257                         textureBrowser.m_scr_win_tags = ui::ScrolledWindow(ui::New);
2258                         gtk_container_set_border_width( GTK_CONTAINER( textureBrowser.m_scr_win_tags ), 0 );
2259
2260                         // vertical only scrolling for treeview
2261                         gtk_scrolled_window_set_policy( GTK_SCROLLED_WINDOW( textureBrowser.m_scr_win_tags ), GTK_POLICY_NEVER, GTK_POLICY_ALWAYS );
2262
2263                         TextureBrowser_createTreeViewTags();
2264
2265             auto selection = gtk_tree_view_get_selection(textureBrowser.m_treeViewTags );
2266                         gtk_tree_selection_set_mode( selection, GTK_SELECTION_MULTIPLE );
2267
2268                         gtk_scrolled_window_add_with_viewport( GTK_SCROLLED_WINDOW( textureBrowser.m_scr_win_tags ), textureBrowser.m_treeViewTags  );
2269                         textureBrowser.m_treeViewTags.show();
2270                 }
2271                 { // Texture/Tag notebook
2272                         TextureBrowser_constructTagNotebook();
2273                         vbox.pack_start( textureBrowser.m_tag_notebook, TRUE, TRUE, 0 );
2274                 }
2275                 { // Tag search button
2276                         TextureBrowser_constructSearchButton();
2277                         vbox.pack_end(textureBrowser.m_search_button, FALSE, FALSE, 0);
2278                 }
2279                 auto frame_table = ui::Table(3, 3, FALSE);
2280                 { // Tag frame
2281
2282                         textureBrowser.m_tag_frame = ui::Frame( "Tag assignment" );
2283                         gtk_frame_set_label_align( GTK_FRAME( textureBrowser.m_tag_frame ), 0.5, 0.5 );
2284                         gtk_frame_set_shadow_type( GTK_FRAME( textureBrowser.m_tag_frame ), GTK_SHADOW_NONE );
2285
2286                         table.attach(textureBrowser.m_tag_frame, {1, 3, 2, 3}, {GTK_FILL, GTK_SHRINK});
2287
2288                         frame_table.show();
2289
2290                         textureBrowser.m_tag_frame.add(frame_table);
2291                 }
2292                 { // assigned tag list
2293                         ui::Widget scrolled_win = ui::ScrolledWindow(ui::New);
2294                         gtk_container_set_border_width( GTK_CONTAINER( scrolled_win ), 0 );
2295                         gtk_scrolled_window_set_policy( GTK_SCROLLED_WINDOW( scrolled_win ), GTK_POLICY_NEVER, GTK_POLICY_ALWAYS );
2296
2297                         textureBrowser.m_assigned_store = ui::ListStore::from(gtk_list_store_new( N_COLUMNS, G_TYPE_STRING ));
2298
2299             auto sortable = GTK_TREE_SORTABLE( textureBrowser.m_assigned_store );
2300                         gtk_tree_sortable_set_sort_column_id( sortable, TAG_COLUMN, GTK_SORT_ASCENDING );
2301
2302                         auto renderer = ui::CellRendererText(ui::New);
2303
2304                         textureBrowser.m_assigned_tree = ui::TreeView(ui::TreeModel::from(textureBrowser.m_assigned_store._handle));
2305                         textureBrowser.m_assigned_store.unref();
2306                         textureBrowser.m_assigned_tree.connect( "row-activated", (GCallback) TextureBrowser_removeTags, NULL );
2307                         gtk_tree_view_set_headers_visible(textureBrowser.m_assigned_tree, FALSE );
2308
2309             auto selection = gtk_tree_view_get_selection(textureBrowser.m_assigned_tree );
2310                         gtk_tree_selection_set_mode( selection, GTK_SELECTION_MULTIPLE );
2311
2312             auto column = ui::TreeViewColumn( "", renderer, {{"text", TAG_COLUMN}} );
2313                         gtk_tree_view_append_column(textureBrowser.m_assigned_tree, column );
2314                         textureBrowser.m_assigned_tree.show();
2315
2316                         scrolled_win.show();
2317                         gtk_scrolled_window_add_with_viewport( GTK_SCROLLED_WINDOW( scrolled_win ), textureBrowser.m_assigned_tree  );
2318
2319                         frame_table.attach(scrolled_win, {0, 1, 1, 3}, {GTK_FILL, GTK_FILL});
2320                 }
2321                 { // available tag list
2322                         ui::Widget scrolled_win = ui::ScrolledWindow(ui::New);
2323                         gtk_container_set_border_width( GTK_CONTAINER( scrolled_win ), 0 );
2324                         gtk_scrolled_window_set_policy( GTK_SCROLLED_WINDOW( scrolled_win ), GTK_POLICY_NEVER, GTK_POLICY_ALWAYS );
2325
2326                         textureBrowser.m_available_store = ui::ListStore::from(gtk_list_store_new( N_COLUMNS, G_TYPE_STRING ));
2327             auto sortable = GTK_TREE_SORTABLE( textureBrowser.m_available_store );
2328                         gtk_tree_sortable_set_sort_column_id( sortable, TAG_COLUMN, GTK_SORT_ASCENDING );
2329
2330                         auto renderer = ui::CellRendererText(ui::New);
2331
2332                         textureBrowser.m_available_tree = ui::TreeView(ui::TreeModel::from(textureBrowser.m_available_store._handle));
2333                         textureBrowser.m_available_store.unref();
2334                         textureBrowser.m_available_tree.connect( "row-activated", (GCallback) TextureBrowser_assignTags, NULL );
2335                         gtk_tree_view_set_headers_visible(textureBrowser.m_available_tree, FALSE );
2336
2337             auto selection = gtk_tree_view_get_selection(textureBrowser.m_available_tree );
2338                         gtk_tree_selection_set_mode( selection, GTK_SELECTION_MULTIPLE );
2339
2340             auto column = ui::TreeViewColumn( "", renderer, {{"text", TAG_COLUMN}} );
2341                         gtk_tree_view_append_column(textureBrowser.m_available_tree, column );
2342                         textureBrowser.m_available_tree.show();
2343
2344                         scrolled_win.show();
2345                         gtk_scrolled_window_add_with_viewport( GTK_SCROLLED_WINDOW( scrolled_win ), textureBrowser.m_available_tree  );
2346
2347                         frame_table.attach(scrolled_win, {2, 3, 1, 3}, {GTK_FILL, GTK_FILL});
2348                 }
2349                 { // tag arrow buttons
2350                         auto m_btn_left = ui::Button(ui::New);
2351                         auto m_btn_right = ui::Button(ui::New);
2352                         auto m_arrow_left = ui::Widget::from(gtk_arrow_new( GTK_ARROW_LEFT, GTK_SHADOW_OUT ));
2353                         auto m_arrow_right = ui::Widget::from(gtk_arrow_new( GTK_ARROW_RIGHT, GTK_SHADOW_OUT ));
2354                         m_btn_left.add(m_arrow_left);
2355                         m_btn_right.add(m_arrow_right);
2356
2357                         // workaround. the size of the tag frame depends of the requested size of the arrow buttons.
2358                         m_arrow_left.dimensions(-1, 68);
2359                         m_arrow_right.dimensions(-1, 68);
2360
2361                         frame_table.attach(m_btn_left, {1, 2, 1, 2}, {GTK_SHRINK, GTK_EXPAND});
2362                         frame_table.attach(m_btn_right, {1, 2, 2, 3}, {GTK_SHRINK, GTK_EXPAND});
2363
2364                         m_btn_left.connect( "clicked", G_CALLBACK( TextureBrowser_assignTags ), NULL );
2365                         m_btn_right.connect( "clicked", G_CALLBACK( TextureBrowser_removeTags ), NULL );
2366
2367                         m_btn_left.show();
2368                         m_btn_right.show();
2369                         m_arrow_left.show();
2370                         m_arrow_right.show();
2371                 }
2372                 { // tag fram labels
2373                         ui::Widget m_lbl_assigned = ui::Label( "Assigned" );
2374                         ui::Widget m_lbl_unassigned = ui::Label( "Available" );
2375
2376                         frame_table.attach(m_lbl_assigned, {0, 1, 0, 1}, {GTK_EXPAND, GTK_SHRINK});
2377                         frame_table.attach(m_lbl_unassigned, {2, 3, 0, 1}, {GTK_EXPAND, GTK_SHRINK});
2378
2379                         m_lbl_assigned.show();
2380                         m_lbl_unassigned.show();
2381                 }
2382         }
2383         else { // no tag support, show the texture tree only
2384                 vbox.pack_start( textureBrowser.m_scr_win_tree, TRUE, TRUE, 0 );
2385         }
2386
2387         // TODO do we need this?
2388         //gtk_container_set_focus_chain(GTK_CONTAINER(hbox_table), NULL);
2389
2390         isWindowConstructed = true;
2391
2392         return table;
2393 }
2394
2395 void TextureBrowser_destroyGLWidget(){
2396         TextureBrowser &textureBrowser = GlobalTextureBrowser();
2397         if ( isGLWidgetConstructed )
2398         {
2399                 g_signal_handler_disconnect( G_OBJECT( textureBrowser.m_gl_widget ), textureBrowser.m_sizeHandler );
2400                 g_signal_handler_disconnect( G_OBJECT( textureBrowser.m_gl_widget ), textureBrowser.m_exposeHandler );
2401
2402 #ifdef WORKAROUND_MACOS_GTK2_GLWIDGET
2403                 textureBrowser.m_hframe.remove( textureBrowser.m_gl_widget );
2404 #else // !WORKAROUND_MACOS_GTK2_GLWIDGET
2405                 textureBrowser.m_frame.remove( textureBrowser.m_gl_widget );
2406 #endif // !WORKAROUND_MACOS_GTK2_GLWIDGET
2407
2408                 textureBrowser.m_gl_widget.unref();
2409
2410                 isGLWidgetConstructed = false;
2411         }
2412 }
2413
2414 void TextureBrowser_destroyWindow(){
2415         GlobalShaderSystem().setActiveShadersChangedNotify( Callback<void()>() );
2416
2417         TextureBrowser_destroyGLWidget();
2418 }
2419
2420 #ifdef WORKAROUND_MACOS_GTK2_GLWIDGET
2421 /* workaround for gtkglext on gtk 2 issue: OpenGL texture viewport being drawn over the other pages */
2422 /* this is very ugly: force the resizing of the viewport to a single bottom line by forcing the
2423  * resizing of the gl widget by expanding some empty boxes, so the widget area size is reduced
2424  * while covered by another page, so the texture viewport is still rendered over the other page
2425  * but does not annoy the user that much because it's just a line on the bottom that may even
2426  * be printed over existing bottom frame or very close to it. */
2427 void TextureBrowser_showGLWidget(){
2428         TextureBrowser &textureBrowser = GlobalTextureBrowser();
2429         if ( isWindowConstructed && isGLWidgetConstructed )
2430         {
2431                 textureBrowser.m_vframe.set_child_packing( textureBrowser.m_vfiller, FALSE, FALSE, 0, ui::Packing::START );
2432                 textureBrowser.m_vframe.set_child_packing( textureBrowser.m_hframe, TRUE, TRUE, 0, ui::Packing::START );
2433                 textureBrowser.m_vframe.set_child_packing( textureBrowser.m_hfiller, FALSE, FALSE, 0, ui::Packing::START );
2434                 textureBrowser.m_vframe.set_child_packing( textureBrowser.m_gl_widget, TRUE, TRUE, 0, ui::Packing::START );
2435
2436                 textureBrowser.m_gl_widget.show();
2437         }
2438 }
2439
2440 void TextureBrowser_hideGLWidget(){
2441         TextureBrowser &textureBrowser = GlobalTextureBrowser();
2442         if ( isWindowConstructed && isGLWidgetConstructed )
2443         {
2444                 textureBrowser.m_vframe.set_child_packing( textureBrowser.m_vfiller, TRUE, TRUE, 0, ui::Packing::START);
2445                 textureBrowser.m_vframe.set_child_packing( textureBrowser.m_hframe, FALSE, FALSE, 0, ui::Packing::END );
2446                 textureBrowser.m_vframe.set_child_packing( textureBrowser.m_hfiller, TRUE, TRUE, 0, ui::Packing::START);
2447                 textureBrowser.m_vframe.set_child_packing( textureBrowser.m_gl_widget, FALSE, FALSE, 0, ui::Packing::END );
2448
2449                 // The hack needs the GL widget to not be hidden to work,
2450                 // so resizing it triggers the redraw of it with the new size.
2451                 // GlobalTextureBrowser().m_gl_widget.hide();
2452
2453                 // Trigger the redraw.
2454                 TextureBrowser_redraw( &GlobalTextureBrowser() );
2455                 ui::process();
2456         }
2457 }
2458 #endif // WORKAROUND_MACOS_GTK2_GLWIDGET
2459
2460 const Vector3& TextureBrowser_getBackgroundColour( TextureBrowser& textureBrowser ){
2461         return textureBrowser.color_textureback;
2462 }
2463
2464 void TextureBrowser_setBackgroundColour( TextureBrowser& textureBrowser, const Vector3& colour ){
2465         textureBrowser.color_textureback = colour;
2466         TextureBrowser_queueDraw( textureBrowser );
2467 }
2468
2469 void TextureBrowser_selectionHelper( ui::TreeModel model, ui::TreePath path, GtkTreeIter* iter, GSList** selected ){
2470         g_assert( selected != NULL );
2471
2472         gchar* name;
2473         gtk_tree_model_get( model, iter, TAG_COLUMN, &name, -1 );
2474         *selected = g_slist_append( *selected, name );
2475 }
2476
2477 void TextureBrowser_shaderInfo(){
2478         const char* name = TextureBrowser_GetSelectedShader( GlobalTextureBrowser() );
2479         IShader* shader = QERApp_Shader_ForName( name );
2480
2481         DoShaderInfoDlg( name, shader->getShaderFileName(), "Shader Info" );
2482
2483         shader->DecRef();
2484 }
2485
2486 void TextureBrowser_addTag(){
2487         CopiedString tag;
2488         TextureBrowser &textureBrowser = GlobalTextureBrowser();
2489
2490         EMessageBoxReturn result = DoShaderTagDlg( &tag, "Add shader tag" );
2491
2492         if ( result == eIDOK && !tag.empty() ) {
2493                 GtkTreeIter iter;
2494                 textureBrowser.m_all_tags.insert( tag.c_str() );
2495                 gtk_list_store_append( textureBrowser.m_available_store, &iter );
2496                 gtk_list_store_set( textureBrowser.m_available_store, &iter, TAG_COLUMN, tag.c_str(), -1 );
2497
2498                 // Select the currently added tag in the available list
2499         auto selection = gtk_tree_view_get_selection(textureBrowser.m_available_tree );
2500                 gtk_tree_selection_select_iter( selection, &iter );
2501
2502                 textureBrowser.m_all_tags_list.append(TAG_COLUMN, tag.c_str());
2503         }
2504 }
2505
2506 void TextureBrowser_renameTag(){
2507         /* WORKAROUND: The tag treeview is set to GTK_SELECTION_MULTIPLE. Because
2508            gtk_tree_selection_get_selected() doesn't work with GTK_SELECTION_MULTIPLE,
2509            we need to count the number of selected rows first and use
2510            gtk_tree_selection_selected_foreach() then to go through the list of selected
2511            rows (which always containins a single row).
2512          */
2513
2514         GSList* selected = NULL;
2515         TextureBrowser &textureBrowser = GlobalTextureBrowser();
2516
2517         auto selection = gtk_tree_view_get_selection(textureBrowser.m_treeViewTags );
2518         gtk_tree_selection_selected_foreach( selection, GtkTreeSelectionForeachFunc( TextureBrowser_selectionHelper ), &selected );
2519
2520         if ( g_slist_length( selected ) == 1 ) { // we only rename a single tag
2521                 CopiedString newTag;
2522                 EMessageBoxReturn result = DoShaderTagDlg( &newTag, "Rename shader tag" );
2523
2524                 if ( result == eIDOK && !newTag.empty() ) {
2525                         GtkTreeIter iterList;
2526                         gchar* rowTag;
2527                         gchar* oldTag = (char*)selected->data;
2528
2529                         bool row = gtk_tree_model_get_iter_first(textureBrowser.m_all_tags_list, &iterList ) != 0;
2530
2531                         while ( row )
2532                         {
2533                                 gtk_tree_model_get(textureBrowser.m_all_tags_list, &iterList, TAG_COLUMN, &rowTag, -1 );
2534
2535                                 if ( strcmp( rowTag, oldTag ) == 0 ) {
2536                                         gtk_list_store_set( textureBrowser.m_all_tags_list, &iterList, TAG_COLUMN, newTag.c_str(), -1 );
2537                                 }
2538                                 row = gtk_tree_model_iter_next(textureBrowser.m_all_tags_list, &iterList ) != 0;
2539                         }
2540
2541                         TagBuilder.RenameShaderTag( oldTag, newTag.c_str() );
2542
2543                         textureBrowser.m_all_tags.erase( (CopiedString)oldTag );
2544                         textureBrowser.m_all_tags.insert( newTag );
2545
2546                         BuildStoreAssignedTags( textureBrowser.m_assigned_store, textureBrowser.shader.c_str(), &textureBrowser );
2547                         BuildStoreAvailableTags( textureBrowser.m_available_store, textureBrowser.m_assigned_store, textureBrowser.m_all_tags, &textureBrowser );
2548                 }
2549         }
2550         else
2551         {
2552                 ui::alert( textureBrowser.m_parent, "Select a single tag for renaming." );
2553         }
2554 }
2555
2556 void TextureBrowser_deleteTag(){
2557         GSList* selected = NULL;
2558         TextureBrowser &textureBrowser = GlobalTextureBrowser();
2559
2560         auto selection = gtk_tree_view_get_selection(textureBrowser.m_treeViewTags );
2561         gtk_tree_selection_selected_foreach( selection, GtkTreeSelectionForeachFunc( TextureBrowser_selectionHelper ), &selected );
2562
2563         if ( g_slist_length( selected ) == 1 ) { // we only delete a single tag
2564                 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 );
2565
2566                 if ( result == ui::alert_response::YES ) {
2567                         GtkTreeIter iterSelected;
2568                         gchar *rowTag;
2569
2570                         gchar* tagSelected = (char*)selected->data;
2571
2572                         bool row = gtk_tree_model_get_iter_first(textureBrowser.m_all_tags_list, &iterSelected ) != 0;
2573
2574                         while ( row )
2575                         {
2576                                 gtk_tree_model_get(textureBrowser.m_all_tags_list, &iterSelected, TAG_COLUMN, &rowTag, -1 );
2577
2578                                 if ( strcmp( rowTag, tagSelected ) == 0 ) {
2579                                         gtk_list_store_remove( textureBrowser.m_all_tags_list, &iterSelected );
2580                                         break;
2581                                 }
2582                                 row = gtk_tree_model_iter_next(textureBrowser.m_all_tags_list, &iterSelected ) != 0;
2583                         }
2584
2585                         TagBuilder.DeleteTag( tagSelected );
2586                         textureBrowser.m_all_tags.erase( (CopiedString)tagSelected );
2587
2588                         BuildStoreAssignedTags( textureBrowser.m_assigned_store, textureBrowser.shader.c_str(), &textureBrowser );
2589                         BuildStoreAvailableTags( textureBrowser.m_available_store, textureBrowser.m_assigned_store, textureBrowser.m_all_tags, &textureBrowser );
2590                 }
2591         }
2592         else {
2593                 ui::alert( textureBrowser.m_parent, "Select a single tag for deletion." );
2594         }
2595 }
2596
2597 void TextureBrowser_copyTag(){
2598         TextureBrowser &textureBrowser = GlobalTextureBrowser();
2599         textureBrowser.m_copied_tags.clear();
2600         TagBuilder.GetShaderTags( textureBrowser.shader.c_str(), textureBrowser.m_copied_tags );
2601 }
2602
2603 void TextureBrowser_pasteTag(){
2604         TextureBrowser &textureBrowser = GlobalTextureBrowser();
2605         IShader* ishader = QERApp_Shader_ForName( textureBrowser.shader.c_str() );
2606         CopiedString shader = textureBrowser.shader.c_str();
2607
2608         if ( !TagBuilder.CheckShaderTag( shader.c_str() ) ) {
2609                 CopiedString shaderFile = ishader->getShaderFileName();
2610                 if ( shaderFile.empty() ) {
2611                         // it's a texture
2612                         TagBuilder.AddShaderNode( shader.c_str(), CUSTOM, TEXTURE );
2613                 }
2614                 else
2615                 {
2616                         // it's a shader
2617                         TagBuilder.AddShaderNode( shader.c_str(), CUSTOM, SHADER );
2618                 }
2619
2620                 for ( size_t i = 0; i < textureBrowser.m_copied_tags.size(); ++i )
2621                 {
2622                         TagBuilder.AddShaderTag( shader.c_str(), textureBrowser.m_copied_tags[i].c_str(), TAG );
2623                 }
2624         }
2625         else
2626         {
2627                 for ( size_t i = 0; i < textureBrowser.m_copied_tags.size(); ++i )
2628                 {
2629                         if ( !TagBuilder.CheckShaderTag( shader.c_str(), textureBrowser.m_copied_tags[i].c_str() ) ) {
2630                                 // the tag doesn't exist - let's add it
2631                                 TagBuilder.AddShaderTag( shader.c_str(), textureBrowser.m_copied_tags[i].c_str(), TAG );
2632                         }
2633                 }
2634         }
2635
2636         ishader->DecRef();
2637
2638         TagBuilder.SaveXmlDoc();
2639         BuildStoreAssignedTags( textureBrowser.m_assigned_store, shader.c_str(), &textureBrowser );
2640         BuildStoreAvailableTags( textureBrowser.m_available_store, textureBrowser.m_assigned_store, textureBrowser.m_all_tags, &textureBrowser );
2641 }
2642
2643 void TextureBrowser_RefreshShaders(){
2644         TextureBrowser &textureBrowser = GlobalTextureBrowser();
2645         ScopeDisableScreenUpdates disableScreenUpdates( "Processing...", "Loading Shaders" );
2646         GlobalShaderSystem().refresh();
2647         UpdateAllWindows();
2648     auto selection = gtk_tree_view_get_selection(GlobalTextureBrowser().m_treeViewTree);
2649         GtkTreeModel* model = NULL;
2650         GtkTreeIter iter;
2651         if ( gtk_tree_selection_get_selected (selection, &model, &iter) )
2652         {
2653                 gchar dirName[1024];
2654
2655                 gchar* buffer;
2656                 gtk_tree_model_get( model, &iter, 0, &buffer, -1 );
2657                 strcpy( dirName, buffer );
2658                 g_free( buffer );
2659                 if ( !TextureBrowser_showWads() ) {
2660                         strcat( dirName, "/" );
2661                 }
2662                 TextureBrowser_ShowDirectory( GlobalTextureBrowser(), dirName );
2663                 TextureBrowser_queueDraw( GlobalTextureBrowser() );
2664         }
2665 }
2666
2667 void TextureBrowser_ToggleShowShaders(){
2668         GlobalTextureBrowser().m_showShaders ^= 1;
2669         GlobalTextureBrowser().m_showshaders_item.update();
2670         TextureBrowser_queueDraw( GlobalTextureBrowser() );
2671 }
2672
2673 void TextureBrowser_ToggleShowShaderListOnly(){
2674         g_TextureBrowser_shaderlistOnly ^= 1;
2675         GlobalTextureBrowser().m_showshaderlistonly_item.update();
2676
2677         TextureBrowser_constructTreeStore();
2678 }
2679
2680 void TextureBrowser_showAll(){
2681         g_TextureBrowser_currentDirectory = "";
2682         GlobalTextureBrowser().m_searchedTags = false;
2683         TextureBrowser_heightChanged( GlobalTextureBrowser() );
2684         TextureBrowser_updateTitle();
2685 }
2686
2687 void TextureBrowser_showUntagged(){
2688         TextureBrowser &textureBrowser = GlobalTextureBrowser();
2689         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 );
2690
2691         if ( result == ui::alert_response::YES ) {
2692                 textureBrowser.m_found_shaders.clear();
2693                 TagBuilder.GetUntagged( textureBrowser.m_found_shaders );
2694                 std::set<CopiedString>::iterator iter;
2695
2696                 ScopeDisableScreenUpdates disableScreenUpdates( "Searching untagged textures...", "Loading Textures" );
2697
2698                 for ( iter = textureBrowser.m_found_shaders.begin(); iter != textureBrowser.m_found_shaders.end(); iter++ )
2699                 {
2700                         std::string path = ( *iter ).c_str();
2701                         size_t pos = path.find_last_of( "/", path.size() );
2702                         std::string name = path.substr( pos + 1, path.size() );
2703                         path = path.substr( 0, pos + 1 );
2704                         TextureDirectory_loadTexture( path.c_str(), name.c_str() );
2705                         globalErrorStream() << path.c_str() << name.c_str() << "\n";
2706                 }
2707
2708                 g_TextureBrowser_currentDirectory = "Untagged";
2709                 TextureBrowser_queueDraw( GlobalTextureBrowser() );
2710                 TextureBrowser_heightChanged( textureBrowser );
2711                 TextureBrowser_updateTitle();
2712         }
2713 }
2714
2715 void TextureBrowser_FixedSize(){
2716         g_TextureBrowser_fixedSize ^= 1;
2717         GlobalTextureBrowser().m_fixedsize_item.update();
2718         TextureBrowser_activeShadersChanged( GlobalTextureBrowser() );
2719 }
2720
2721 void TextureBrowser_FilterMissing(){
2722         g_TextureBrowser_filterMissing ^= 1;
2723         GlobalTextureBrowser().m_filternotex_item.update();
2724         TextureBrowser_activeShadersChanged( GlobalTextureBrowser() );
2725         TextureBrowser_RefreshShaders();
2726 }
2727
2728 void TextureBrowser_FilterFallback(){
2729         g_TextureBrowser_filterFallback ^= 1;
2730         GlobalTextureBrowser().m_hidenotex_item.update();
2731         TextureBrowser_activeShadersChanged( GlobalTextureBrowser() );
2732         TextureBrowser_RefreshShaders();
2733 }
2734
2735 void TextureBrowser_EnableAlpha(){
2736         g_TextureBrowser_enableAlpha ^= 1;
2737         GlobalTextureBrowser().m_enablealpha_item.update();
2738         TextureBrowser_activeShadersChanged( GlobalTextureBrowser() );
2739 }
2740
2741 void TextureBrowser_exportTitle( const Callback<void(const char *)> & importer ){
2742         StringOutputStream buffer( 64 );
2743         buffer << "Textures: ";
2744         if ( !string_empty( g_TextureBrowser_currentDirectory.c_str() ) ) {
2745                 buffer << g_TextureBrowser_currentDirectory.c_str();
2746         }
2747         else
2748         {
2749                 buffer << "all";
2750         }
2751         importer( buffer.c_str() );
2752 }
2753
2754 struct TextureScale {
2755         static void Export(const TextureBrowser &self, const Callback<void(int)> &returnz) {
2756                 switch (self.m_textureScale) {
2757                         case 10:
2758                                 returnz(0);
2759                                 break;
2760                         case 25:
2761                                 returnz(1);
2762                                 break;
2763                         case 50:
2764                                 returnz(2);
2765                                 break;
2766                         case 100:
2767                                 returnz(3);
2768                                 break;
2769                         case 200:
2770                                 returnz(4);
2771                                 break;
2772                 }
2773         }
2774
2775         static void Import(TextureBrowser &self, int value) {
2776                 switch (value) {
2777                         case 0:
2778                                 TextureBrowser_setScale(self, 10);
2779                                 break;
2780                         case 1:
2781                                 TextureBrowser_setScale(self, 25);
2782                                 break;
2783                         case 2:
2784                                 TextureBrowser_setScale(self, 50);
2785                                 break;
2786                         case 3:
2787                                 TextureBrowser_setScale(self, 100);
2788                                 break;
2789                         case 4:
2790                                 TextureBrowser_setScale(self, 200);
2791                                 break;
2792                 }
2793         }
2794 };
2795
2796 struct UniformTextureSize {
2797         static void Export(const TextureBrowser &self, const Callback<void(int)> &returnz) {
2798                 returnz(GlobalTextureBrowser().m_uniformTextureSize);
2799         }
2800
2801         static void Import(TextureBrowser &self, int value) {
2802                 if (value > 16)
2803                         TextureBrowser_setUniformSize(self, value);
2804         }
2805 };
2806
2807 void TextureBrowser_constructPreferences( PreferencesPage& page ){
2808         page.appendCheckBox(
2809                 "", "Texture scrollbar",
2810                 make_property<TextureBrowser_ShowScrollbar>(GlobalTextureBrowser())
2811                 );
2812         {
2813                 const char* texture_scale[] = { "10%", "25%", "50%", "100%", "200%" };
2814                 page.appendCombo(
2815                         "Texture Thumbnail Scale",
2816                         STRING_ARRAY_RANGE( texture_scale ),
2817                         make_property<TextureScale>(GlobalTextureBrowser())
2818                         );
2819         }
2820         page.appendSpinner(
2821                 "Texture Thumbnail Size",
2822                 GlobalTextureBrowser().m_uniformTextureSize,
2823                 GlobalTextureBrowser().m_uniformTextureSize,
2824                 16, 8192
2825         );
2826         page.appendEntry( "Mousewheel Increment", GlobalTextureBrowser().m_mouseWheelScrollIncrement );
2827         {
2828                 const char* startup_shaders[] = { "None", TextureBrowser_getCommonShadersName() };
2829                 page.appendCombo( "Load Shaders at Startup", reinterpret_cast<int&>( GlobalTextureBrowser().m_startupShaders ), STRING_ARRAY_RANGE( startup_shaders ) );
2830         }
2831 }
2832 void TextureBrowser_constructPage( PreferenceGroup& group ){
2833         PreferencesPage page( group.createPage( "Texture Browser", "Texture Browser Preferences" ) );
2834         TextureBrowser_constructPreferences( page );
2835 }
2836
2837 void TextureBrowser_registerPreferencesPage(){
2838         PreferencesDialog_addSettingsPage( makeCallbackF(TextureBrowser_constructPage) );
2839 }
2840
2841
2842 #include "preferencesystem.h"
2843 #include "stringio.h"
2844
2845
2846 void TextureClipboard_textureSelected( const char* shader );
2847
2848 void TextureBrowser_Construct(){
2849         TextureBrowser &textureBrowser = GlobalTextureBrowser();
2850
2851         GlobalCommands_insert( "ShaderInfo", makeCallbackF(TextureBrowser_shaderInfo) );
2852         GlobalCommands_insert( "ShowUntagged", makeCallbackF(TextureBrowser_showUntagged) );
2853         GlobalCommands_insert( "AddTag", makeCallbackF(TextureBrowser_addTag) );
2854         GlobalCommands_insert( "RenameTag", makeCallbackF(TextureBrowser_renameTag) );
2855         GlobalCommands_insert( "DeleteTag", makeCallbackF(TextureBrowser_deleteTag) );
2856         GlobalCommands_insert( "CopyTag", makeCallbackF(TextureBrowser_copyTag) );
2857         GlobalCommands_insert( "PasteTag", makeCallbackF(TextureBrowser_pasteTag) );
2858         GlobalCommands_insert( "RefreshShaders", makeCallbackF(VFS_Refresh) );
2859         GlobalToggles_insert( "ShowInUse", makeCallbackF(TextureBrowser_ToggleHideUnused), ToggleItem::AddCallbackCaller( textureBrowser.m_hideunused_item ), Accelerator( 'U' ) );
2860         GlobalCommands_insert( "ShowAllTextures", makeCallbackF(TextureBrowser_showAll), Accelerator( 'A', (GdkModifierType)GDK_CONTROL_MASK ) );
2861         GlobalCommands_insert( "ToggleTextures", makeCallbackF(TextureBrowser_toggleShow), Accelerator( 'T' ) );
2862         GlobalToggles_insert( "ToggleShowShaders", makeCallbackF(TextureBrowser_ToggleShowShaders), ToggleItem::AddCallbackCaller( textureBrowser.m_showshaders_item ) );
2863         GlobalToggles_insert( "ToggleShowShaderlistOnly", makeCallbackF(TextureBrowser_ToggleShowShaderListOnly), ToggleItem::AddCallbackCaller( textureBrowser.m_showshaderlistonly_item ) );
2864         GlobalToggles_insert( "FixedSize", makeCallbackF(TextureBrowser_FixedSize), ToggleItem::AddCallbackCaller( textureBrowser.m_fixedsize_item ) );
2865         GlobalToggles_insert( "FilterMissing", makeCallbackF(TextureBrowser_FilterMissing), ToggleItem::AddCallbackCaller( textureBrowser.m_filternotex_item ) );
2866         GlobalToggles_insert( "FilterFallback", makeCallbackF(TextureBrowser_FilterFallback), ToggleItem::AddCallbackCaller( textureBrowser.m_hidenotex_item ) );
2867         GlobalToggles_insert( "EnableAlpha", makeCallbackF(TextureBrowser_EnableAlpha), ToggleItem::AddCallbackCaller( textureBrowser.m_enablealpha_item ) );
2868
2869         GlobalPreferenceSystem().registerPreference( "TextureScale", make_property_string<TextureScale>(textureBrowser) );
2870         GlobalPreferenceSystem().registerPreference( "UniformTextureSize", make_property_string<UniformTextureSize>(textureBrowser) );
2871         GlobalPreferenceSystem().registerPreference( "TextureScrollbar", make_property_string<TextureBrowser_ShowScrollbar>(textureBrowser));
2872         GlobalPreferenceSystem().registerPreference( "ShowShaders", make_property_string( textureBrowser.m_showShaders ) );
2873         GlobalPreferenceSystem().registerPreference( "ShowShaderlistOnly", make_property_string( g_TextureBrowser_shaderlistOnly ) );
2874         GlobalPreferenceSystem().registerPreference( "FixedSize", make_property_string( g_TextureBrowser_fixedSize ) );
2875         GlobalPreferenceSystem().registerPreference( "FilterMissing", make_property_string( g_TextureBrowser_filterMissing ) );
2876         GlobalPreferenceSystem().registerPreference( "EnableAlpha", make_property_string( g_TextureBrowser_enableAlpha ) );
2877         GlobalPreferenceSystem().registerPreference( "LoadShaders", make_property_string( reinterpret_cast<int&>( textureBrowser.m_startupShaders ) ) );
2878         GlobalPreferenceSystem().registerPreference( "WheelMouseInc", make_property_string( textureBrowser.m_mouseWheelScrollIncrement ) );
2879         GlobalPreferenceSystem().registerPreference( "SI_Colors0", make_property_string( textureBrowser.color_textureback ) );
2880
2881         textureBrowser.shader = texdef_name_default();
2882
2883         Textures_setModeChangedNotify( ReferenceCaller<TextureBrowser, void(), TextureBrowser_queueDraw>( textureBrowser ) );
2884
2885         TextureBrowser_registerPreferencesPage();
2886
2887         GlobalShaderSystem().attach( g_ShadersObserver );
2888
2889         TextureBrowser_textureSelected = TextureClipboard_textureSelected;
2890 }
2891
2892 void TextureBrowser_Destroy(){
2893         GlobalShaderSystem().detach( g_ShadersObserver );
2894
2895         Textures_setModeChangedNotify( Callback<void()>() );
2896 }
2897
2898 #if WORKAROUND_WINDOWS_GTK2_GLWIDGET
2899 ui::GLArea TextureBrowser_getGLWidget(){
2900         return GlobalTextureBrowser().m_gl_widget;
2901 }
2902 #endif // WORKAROUND_WINDOWS_GTK2_GLWIDGET