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
 173 typedef ReferenceCaller<TextureGroups, void(const char*), TextureGroups_addDirectory> TextureGroupsAddDirectoryCaller;
 174
 175 class DeferredAdjustment
 176 {
 177 gdouble m_value;
 178 guint m_handler;
 179
 180 typedef void ( *ValueChangedFunction )( void* data, gdouble value );
 181
 182 ValueChangedFunction m_function;
 183 void* m_data;
 184
 185 static gboolean deferred_value_changed( gpointer data ){
 186         reinterpret_cast<DeferredAdjustment*>( data )->m_function(
 187                 reinterpret_cast<DeferredAdjustment*>( data )->m_data,
 188                 reinterpret_cast<DeferredAdjustment*>( data )->m_value
 189                 );
 190         reinterpret_cast<DeferredAdjustment*>( data )->m_handler = 0;
 191         reinterpret_cast<DeferredAdjustment*>( data )->m_value = 0;
 192         return FALSE;
 193 }
 194
 195 public:
 196 DeferredAdjustment( ValueChangedFunction function, void* data ) : m_value( 0 ), m_handler( 0 ), m_function( function ), m_data( data ){
 197 }
 198
 199 void flush(){
 200         if ( m_handler != 0 ) {
 201                 g_source_remove( m_handler );
 202                 deferred_value_changed( this );
 203         }
 204 }
 205
 206 void value_changed( gdouble value ){
 207         m_value = value;
 208         if ( m_handler == 0 ) {
 209                 m_handler = g_idle_add( deferred_value_changed, this );
 210         }
 211 }
 212
 213 static void adjustment_value_changed(ui::Adjustment adjustment, DeferredAdjustment* self ){
 214         self->value_changed( gtk_adjustment_get_value(adjustment) );
 215 }
 216 };
 217
 218
 219 class TextureBrowser;
 220
 221 typedef ReferenceCaller<TextureBrowser, void(), TextureBrowser_queueDraw> TextureBrowserQueueDrawCaller;
 222
 223 void TextureBrowser_scrollChanged( void* data, gdouble value );
 224
 225
 226 enum StartupShaders
 227 {
 228         STARTUPSHADERS_NONE = 0,
 229         STARTUPSHADERS_COMMON,
 230 };
 231
 232 void TextureBrowser_hideUnusedExport( const Callback<void(bool)> & importer );
 233
 234 typedef FreeCaller<void(const Callback<void(bool)> &), TextureBrowser_hideUnusedExport> TextureBrowserHideUnusedExport;
 235
 236 void TextureBrowser_showShadersExport( const Callback<void(bool)> & importer );
 237
 238 typedef FreeCaller<void(const Callback<void(bool)> &), TextureBrowser_showShadersExport> TextureBrowserShowShadersExport;
 239
 240 void TextureBrowser_showTexturesExport( const Callback<void(bool)> & importer );
 241
 242 typedef FreeCaller<void(const Callback<void(bool)> &), TextureBrowser_showTexturesExport> TextureBrowserShowTexturesExport;
 243
 244 void TextureBrowser_showShaderlistOnly( const Callback<void(bool)> & importer );
 245
 246 typedef FreeCaller<void(const Callback<void(bool)> &), TextureBrowser_showShaderlistOnly> TextureBrowserShowShaderlistOnlyExport;
 247
 248 void TextureBrowser_fixedSize( const Callback<void(bool)> & importer );
 249
 250 typedef FreeCaller<void(const Callback<void(bool)> &), TextureBrowser_fixedSize> TextureBrowserFixedSizeExport;
 251
 252 void TextureBrowser_filterMissing( const Callback<void(bool)> & importer );
 253
 254 typedef FreeCaller<void(const Callback<void(bool)> &), TextureBrowser_filterMissing> TextureBrowserFilterMissingExport;
 255
 256 void TextureBrowser_filterFallback( const Callback<void(bool)> & importer );
 257
 258 typedef FreeCaller<void(const Callback<void(bool)> &), TextureBrowser_filterFallback> TextureBrowserFilterFallbackExport;
 259
 260 void TextureBrowser_enableAlpha( const Callback<void(bool)> & importer );
 261
 262 typedef FreeCaller<void(const Callback<void(bool)> &), TextureBrowser_enableAlpha> TextureBrowserEnableAlphaExport;
 263
 264 class TextureBrowser
 265 {
 266 public:
 267 int width, height;
 268 int originy;
 269 int m_nTotalHeight;
 270
 271 CopiedString shader;
 272
 273 ui::Window m_parent{ui::null};
 274 #ifdef WORKAROUND_MACOS_GTK2_GLWIDGET
 275 ui::VBox m_vframe{ui::null};
 276 ui::VBox m_vfiller{ui::null};
 277 ui::HBox m_hframe{ui::null};
 278 ui::HBox m_hfiller{ui::null};
 279 #else // !WORKAROUND_MACOS_GTK2_GLWIDGET
 280 ui::VBox m_frame{ui::null};
 281 #endif // !WORKAROUND_MACOS_GTK2_GLWIDGET
 282 ui::GLArea m_gl_widget{ui::null};
 283 ui::Widget m_texture_scroll{ui::null};
 284 ui::TreeView m_treeViewTree{ui::New};
 285 ui::TreeView m_treeViewTags{ui::null};
 286 ui::Frame m_tag_frame{ui::null};
 287 ui::ListStore m_assigned_store{ui::null};
 288 ui::ListStore m_available_store{ui::null};
 289 ui::TreeView m_assigned_tree{ui::null};
 290 ui::TreeView m_available_tree{ui::null};
 291 ui::Widget m_scr_win_tree{ui::null};
 292 ui::Widget m_scr_win_tags{ui::null};
 293 ui::Widget m_tag_notebook{ui::null};
 294 ui::Button m_search_button{ui::null};
 295 ui::Widget m_shader_info_item{ui::null};
 296
 297 std::set<CopiedString> m_all_tags;
 298 ui::ListStore m_all_tags_list{ui::null};
 299 std::vector<CopiedString> m_copied_tags;
 300 std::set<CopiedString> m_found_shaders;
 301
 302 ToggleItem m_hideunused_item;
 303 ToggleItem m_hidenotex_item;
 304 ToggleItem m_showshaders_item;
 305 ToggleItem m_showtextures_item;
 306 ToggleItem m_showshaderlistonly_item;
 307 ToggleItem m_fixedsize_item;
 308 ToggleItem m_filternotex_item;
 309 ToggleItem m_enablealpha_item;
 310
 311 guint m_sizeHandler;
 312 guint m_exposeHandler;
 313
 314 bool m_heightChanged;
 315 bool m_originInvalid;
 316
 317 DeferredAdjustment m_scrollAdjustment;
 318 FreezePointer m_freezePointer;
 319
 320 Vector3 color_textureback;
 321 // the increment step we use against the wheel mouse
 322 std::size_t m_mouseWheelScrollIncrement;
 323 std::size_t m_textureScale;
 324 // make the texture increments match the grid changes
 325 bool m_showShaders;
 326 bool m_showTextures;
 327 bool m_showTextureScrollbar;
 328 StartupShaders m_startupShaders;
 329 // if true, the texture window will only display in-use shaders
 330 // if false, all the shaders in memory are displayed
 331 bool m_hideUnused;
 332 bool m_rmbSelected;
 333 bool m_searchedTags;
 334 bool m_tags;
 335 bool m_move_started;
 336 // The uniform size (in pixels) that textures are resized to when m_resizeTextures is true.
 337 int m_uniformTextureSize;
 338 int m_uniformTextureMinSize;
 339
 340 // Return the display width of a texture in the texture browser
 341 void getTextureWH( qtexture_t* tex, int &W, int &H ){
 342                 // Don't use uniform size
 343                 W = (int)( tex->width * ( (float)m_textureScale / 100 ) );
 344                 H = (int)( tex->height * ( (float)m_textureScale / 100 ) );
 345                 if ( W < 1 ) W = 1;
 346                 if ( H < 1 ) H = 1;
 347
 348         if ( g_TextureBrowser_fixedSize ){
 349                 if      ( W >= H ) {
 350                         // Texture is square, or wider than it is tall
 351                         if ( W >= m_uniformTextureSize ){
 352                                 H = m_uniformTextureSize * H / W;
 353                                 W = m_uniformTextureSize;
 354                         }
 355                         else if ( W <= m_uniformTextureMinSize ){
 356                                 H = m_uniformTextureMinSize * H / W;
 357                                 W = m_uniformTextureMinSize;
 358                         }
 359                 }
 360                 else {
 361                         // Texture taller than it is wide
 362                         if ( H >= m_uniformTextureSize ){
 363                                 W = m_uniformTextureSize * W / H;
 364                                 H = m_uniformTextureSize;
 365                         }
 366                         else if ( H <= m_uniformTextureMinSize ){
 367                                 W = m_uniformTextureMinSize * W / H;
 368                                 H = m_uniformTextureMinSize;
 369                         }
 370                 }
 371         }
 372 }
 373
 374 TextureBrowser() :
 375         m_texture_scroll( ui::null ),
 376         m_hideunused_item( TextureBrowserHideUnusedExport() ),
 377         m_hidenotex_item( TextureBrowserFilterFallbackExport() ),
 378         m_showshaders_item( TextureBrowserShowShadersExport() ),
 379         m_showtextures_item( TextureBrowserShowTexturesExport() ),
 380         m_showshaderlistonly_item( TextureBrowserShowShaderlistOnlyExport() ),
 381         m_fixedsize_item( TextureBrowserFixedSizeExport() ),
 382         m_filternotex_item( TextureBrowserFilterMissingExport() ),
 383         m_enablealpha_item( TextureBrowserEnableAlphaExport() ),
 384         m_heightChanged( true ),
 385         m_originInvalid( true ),
 386         m_scrollAdjustment( TextureBrowser_scrollChanged, this ),
 387         color_textureback( 0.25f, 0.25f, 0.25f ),
 388         m_mouseWheelScrollIncrement( 64 ),
 389         m_textureScale( 50 ),
 390         m_showShaders( true ),
 391         m_showTextures( true ),
 392         m_showTextureScrollbar( true ),
 393         m_startupShaders( STARTUPSHADERS_NONE ),
 394         m_hideUnused( false ),
 395         m_rmbSelected( false ),
 396         m_searchedTags( false ),
 397         m_tags( false ),
 398         m_uniformTextureSize( 160 ),
 399         m_uniformTextureMinSize( 48 ),
 400         m_move_started( false ){
 401 }
 402 };
 403
 404 void ( *TextureBrowser_textureSelected )( const char* shader );
 405
 406
 407 void TextureBrowser_updateScroll( TextureBrowser& textureBrowser );
 408
 409
 410 const char* TextureBrowser_getCommonShadersName(){
 411         const char* value = g_pGameDescription->getKeyValue( "common_shaders_name" );
 412         if ( !string_empty( value ) ) {
 413                 return value;
 414         }
 415         return "Common";
 416 }
 417
 418 const char* TextureBrowser_getCommonShadersDir(){
 419         const char* value = g_pGameDescription->getKeyValue( "common_shaders_dir" );
 420         if ( !string_empty( value ) ) {
 421                 return value;
 422         }
 423         return "common/";
 424 }
 425
 426 inline int TextureBrowser_fontHeight( TextureBrowser& textureBrowser ){
 427         return GlobalOpenGL().m_font->getPixelHeight();
 428 }
 429
 430 const char* TextureBrowser_GetSelectedShader( TextureBrowser& textureBrowser ){
 431         return textureBrowser.shader.c_str();
 432 }
 433
 434 void TextureBrowser_SetStatus( TextureBrowser& textureBrowser, const char* name ){
 435         IShader* shader = QERApp_Shader_ForName( name );
 436         qtexture_t* q = shader->getTexture();
 437         StringOutputStream strTex( 256 );
 438         strTex << name << " W: " << Unsigned( q->width ) << " H: " << Unsigned( q->height );
 439         shader->DecRef();
 440         g_pParentWnd->SetStatusText( g_pParentWnd->m_texture_status, strTex.c_str() );
 441 }
 442
 443 void TextureBrowser_Focus( TextureBrowser& textureBrowser, const char* name );
 444
 445 void TextureBrowser_SetSelectedShader( TextureBrowser& textureBrowser, const char* shader ){
 446         textureBrowser.shader = shader;
 447         TextureBrowser_SetStatus( textureBrowser, shader );
 448         TextureBrowser_Focus( textureBrowser, shader );
 449
 450         if ( FindTextureDialog_isOpen() ) {
 451                 FindTextureDialog_selectTexture( shader );
 452         }
 453
 454         // disable the menu item "shader info" if no shader was selected
 455         IShader* ishader = QERApp_Shader_ForName( shader );
 456         CopiedString filename = ishader->getShaderFileName();
 457
 458         if ( filename.empty() ) {
 459                 if ( textureBrowser.m_shader_info_item != NULL ) {
 460                         gtk_widget_set_sensitive( textureBrowser.m_shader_info_item, FALSE );
 461                 }
 462         }
 463         else {
 464                 gtk_widget_set_sensitive( textureBrowser.m_shader_info_item, TRUE );
 465         }
 466
 467         ishader->DecRef();
 468 }
 469
 470
 471 CopiedString g_TextureBrowser_currentDirectory;
 472
 473 /*
 474    ============================================================================
 475
 476    TEXTURE LAYOUT
 477
 478    TTimo: now based on a rundown through all the shaders
 479    NOTE: we expect the Active shaders count doesn't change during a Texture_StartPos .. Texture_NextPos cycle
 480    otherwise we may need to rely on a list instead of an array storage
 481    ============================================================================
 482  */
 483
 484 class TextureLayout
 485 {
 486 public:
 487 // texture layout functions
 488 // TTimo: now based on shaders
 489 int current_x, current_y, current_row;
 490 };
 491
 492 void Texture_StartPos( TextureLayout& layout ){
 493         layout.current_x = 8;
 494         layout.current_y = -8;
 495         layout.current_row = 0;
 496 }
 497
 498 void Texture_NextPos( TextureBrowser& textureBrowser, TextureLayout& layout, qtexture_t* current_texture, int *x, int *y ){
 499         qtexture_t* q = current_texture;
 500
 501         int nWidth, nHeight;
 502         textureBrowser.getTextureWH( q, nWidth, nHeight );
 503         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
 504                 layout.current_x = 8;
 505                 layout.current_y -= layout.current_row + TextureBrowser_fontHeight( textureBrowser ) + 4;//+4
 506                 layout.current_row = 0;
 507         }
 508
 509         *x = layout.current_x;
 510         *y = layout.current_y;
 511
 512         // Is our texture larger than the row? If so, grow the
 513         // row height to match it
 514
 515         if ( layout.current_row < nHeight ) {
 516                 layout.current_row = nHeight;
 517         }
 518
 519         // never go less than 96, or the names get all crunched up
 520         layout.current_x += nWidth < 96 ? 96 : nWidth;
 521         layout.current_x += 8;
 522 }
 523
 524 bool TextureSearch_IsShown( const char* name ){
 525         std::set<CopiedString>::iterator iter;
 526
 527         iter = GlobalTextureBrowser().m_found_shaders.find( name );
 528
 529         if ( iter == GlobalTextureBrowser().m_found_shaders.end() ) {
 530                 return false;
 531         }
 532         else {
 533                 return true;
 534         }
 535 }
 536
 537 // if texture_showinuse jump over non in-use textures
 538 bool Texture_IsShown( IShader* shader, bool show_shaders, bool show_textures, bool hideUnused ){
 539         // filter missing shaders
 540         // ugly: filter on built-in fallback name after substitution
 541         if ( g_TextureBrowser_filterMissing ) {
 542                 if ( isMissing( shader->getTexture()->name ) ) {
 543                         return false;
 544                 }
 545         }
 546         // filter the fallback (notex/shadernotex) for missing shaders or editor image
 547         if ( g_TextureBrowser_filterFallback ) {
 548                 if ( isNotex( shader->getName() ) ) {
 549                         return false;
 550                 }
 551                 if ( isNotex( shader->getTexture()->name ) ) {
 552                         return false;
 553                 }
 554         }
 555
 556         if ( g_TextureBrowser_currentDirectory == "Untagged" ) {
 557                 std::set<CopiedString>::iterator iter;
 558
 559                 iter = GlobalTextureBrowser().m_found_shaders.find( shader->getName() );
 560
 561                 if ( iter == GlobalTextureBrowser().m_found_shaders.end() ) {
 562                         return false;
 563                 }
 564                 else {
 565                         return true;
 566                 }
 567         }
 568
 569         if ( !shader_equal_prefix( shader->getName(), "textures/" ) ) {
 570                 return false;
 571         }
 572
 573         if ( !show_shaders && !shader->IsDefault() ) {
 574                 return false;
 575         }
 576
 577         if ( !show_textures && shader->IsDefault() ) {
 578                 return false;
 579         }
 580
 581         if ( hideUnused && !shader->IsInUse() ) {
 582                 return false;
 583         }
 584
 585         if ( GlobalTextureBrowser().m_searchedTags ) {
 586                 if ( !TextureSearch_IsShown( shader->getName() ) ) {
 587                         return false;
 588                 }
 589                 else {
 590                         return true;
 591                 }
 592         }
 593         else {
 594                 if ( TextureBrowser_showWads() )
 595                 {
 596                         if ( g_TextureBrowser_currentDirectory != ""
 597                                 && !string_equal( shader->getWadName(), g_TextureBrowser_currentDirectory.c_str() ) )
 598                         {
 599                                 return false;
 600                         }
 601                 }
 602                 else if ( !shader_equal_prefix( shader_get_textureName( shader->getName() ), g_TextureBrowser_currentDirectory.c_str() ) ) {
 603                         return false;
 604                 }
 605         }
 606
 607         return true;
 608 }
 609
 610 void TextureBrowser_heightChanged( TextureBrowser& textureBrowser ){
 611         textureBrowser.m_heightChanged = true;
 612
 613         TextureBrowser_updateScroll( textureBrowser );
 614         TextureBrowser_queueDraw( textureBrowser );
 615 }
 616
 617 void TextureBrowser_evaluateHeight( TextureBrowser& textureBrowser ){
 618         if ( textureBrowser.m_heightChanged ) {
 619                 textureBrowser.m_heightChanged = false;
 620
 621                 textureBrowser.m_nTotalHeight = 0;
 622
 623                 TextureLayout layout;
 624                 Texture_StartPos( layout );
 625                 for ( QERApp_ActiveShaders_IteratorBegin(); !QERApp_ActiveShaders_IteratorAtEnd(); QERApp_ActiveShaders_IteratorIncrement() )
 626                 {
 627                         IShader* shader = QERApp_ActiveShaders_IteratorCurrent();
 628
 629                         if ( !Texture_IsShown( shader, textureBrowser.m_showShaders, textureBrowser.m_showTextures, textureBrowser.m_hideUnused ) ) {
 630                                 continue;
 631                         }
 632
 633                         int x, y;
 634                         Texture_NextPos( textureBrowser, layout, shader->getTexture(), &x, &y );
 635                         int nWidth, nHeight;
 636                         textureBrowser.getTextureWH( shader->getTexture(), nWidth, nHeight );
 637                         textureBrowser.m_nTotalHeight = std::max( textureBrowser.m_nTotalHeight, abs( layout.current_y ) + TextureBrowser_fontHeight( textureBrowser ) + nHeight + 4 );
 638                 }
 639         }
 640 }
 641
 642 int TextureBrowser_TotalHeight( TextureBrowser& textureBrowser ){
 643         TextureBrowser_evaluateHeight( textureBrowser );
 644         return textureBrowser.m_nTotalHeight;
 645 }
 646
 647 inline const int& min_int( const int& left, const int& right ){
 648         return std::min( left, right );
 649 }
 650
 651 void TextureBrowser_clampOriginY( TextureBrowser& textureBrowser ){
 652         if ( textureBrowser.originy > 0 ) {
 653                 textureBrowser.originy = 0;
 654         }
 655         int lower = min_int( textureBrowser.height - TextureBrowser_TotalHeight( textureBrowser ), 0 );
 656         if ( textureBrowser.originy < lower ) {
 657                 textureBrowser.originy = lower;
 658         }
 659 }
 660
 661 int TextureBrowser_getOriginY( TextureBrowser& textureBrowser ){
 662         if ( textureBrowser.m_originInvalid ) {
 663                 textureBrowser.m_originInvalid = false;
 664                 TextureBrowser_clampOriginY( textureBrowser );
 665                 TextureBrowser_updateScroll( textureBrowser );
 666         }
 667         return textureBrowser.originy;
 668 }
 669
 670 void TextureBrowser_setOriginY( TextureBrowser& textureBrowser, int originy ){
 671         textureBrowser.originy = originy;
 672         TextureBrowser_clampOriginY( textureBrowser );
 673         TextureBrowser_updateScroll( textureBrowser );
 674         TextureBrowser_queueDraw( textureBrowser );
 675 }
 676
 677
 678 Signal0 g_activeShadersChangedCallbacks;
 679
 680 void TextureBrowser_addActiveShadersChangedCallback( const SignalHandler& handler ){
 681         g_activeShadersChangedCallbacks.connectLast( handler );
 682 }
 683
 684 void TextureBrowser_constructTreeStore();
 685
 686 class ShadersObserver : public ModuleObserver
 687 {
 688 Signal0 m_realiseCallbacks;
 689 public:
 690 void realise(){
 691         m_realiseCallbacks();
 692         /* texturebrowser tree update on vfs restart */
 693 //      TextureBrowser_constructTreeStore();
 694 }
 695
 696 void unrealise(){
 697 }
 698
 699 void insert( const SignalHandler& handler ){
 700         m_realiseCallbacks.connectLast( handler );
 701 }
 702 };
 703
 704 namespace
 705 {
 706 ShadersObserver g_ShadersObserver;
 707 }
 708
 709 void TextureBrowser_addShadersRealiseCallback( const SignalHandler& handler ){
 710         g_ShadersObserver.insert( handler );
 711 }
 712
 713 void TextureBrowser_activeShadersChanged( TextureBrowser& textureBrowser ){
 714         TextureBrowser_heightChanged( textureBrowser );
 715         textureBrowser.m_originInvalid = true;
 716
 717         g_activeShadersChangedCallbacks();
 718 }
 719
 720 struct TextureBrowser_ShowScrollbar {
 721         static void Export(const TextureBrowser &self, const Callback<void(bool)> &returnz) {
 722                 returnz(self.m_showTextureScrollbar);
 723         }
 724
 725         static void Import(TextureBrowser &self, bool value) {
 726                 self.m_showTextureScrollbar = value;
 727                 if (self.m_texture_scroll) {
 728                         self.m_texture_scroll.visible(self.m_showTextureScrollbar);
 729                         TextureBrowser_updateScroll(self);
 730                 }
 731         }
 732 };
 733
 734
 735 /*
 736    ==============
 737    TextureBrowser_ShowDirectory
 738    relies on texture_directory global for the directory to use
 739    1) Load the shaders for the given directory
 740    2) Scan the remaining texture, load them and assign them a default shader (the "noshader" shader)
 741    NOTE: when writing a texture plugin, or some texture extensions, this function may need to be overriden, and made
 742    available through the IShaders interface
 743    NOTE: for texture window layout:
 744    all shaders are stored with alphabetical order after load
 745    previously loaded and displayed stuff is hidden, only in-use and newly loaded is shown
 746    ( the GL textures are not flushed though)
 747    ==============
 748  */
 749
 750 bool endswith( const char *haystack, const char *needle ){
 751         size_t lh = strlen( haystack );
 752         size_t ln = strlen( needle );
 753         if ( lh < ln ) {
 754                 return false;
 755         }
 756         return !memcmp( haystack + ( lh - ln ), needle, ln );
 757 }
 758
 759 bool texture_name_ignore( const char* name ){
 760         StringOutputStream strTemp( string_length( name ) );
 761         strTemp << LowerCase( name );
 762
 763         return
 764                 endswith( strTemp.c_str(), ".specular" ) ||
 765                 endswith( strTemp.c_str(), ".glow" ) ||
 766                 endswith( strTemp.c_str(), ".bump" ) ||
 767                 endswith( strTemp.c_str(), ".diffuse" ) ||
 768                 endswith( strTemp.c_str(), ".blend" ) ||
 769                 endswith( strTemp.c_str(), ".alpha" ) ||
 770                 endswith( strTemp.c_str(), "_alpha" ) ||
 771                 /* Quetoo */
 772                 endswith( strTemp.c_str(), "_h" ) ||
 773                 endswith( strTemp.c_str(), "_local" ) ||
 774                 endswith( strTemp.c_str(), "_nm" ) ||
 775                 endswith( strTemp.c_str(), "_s" ) ||
 776                 /* DarkPlaces */
 777                 endswith( strTemp.c_str(), "_bump" ) ||
 778                 endswith( strTemp.c_str(), "_glow" ) ||
 779                 endswith( strTemp.c_str(), "_gloss" ) ||
 780                 endswith( strTemp.c_str(), "_luma" ) ||
 781                 endswith( strTemp.c_str(), "_norm" ) ||
 782                 endswith( strTemp.c_str(), "_pants" ) ||
 783                 endswith( strTemp.c_str(), "_shirt" ) ||
 784                 endswith( strTemp.c_str(), "_reflect" ) ||
 785                 /* Unvanquished */
 786                 endswith( strTemp.c_str(), "_d" ) ||
 787                 endswith( strTemp.c_str(), "_n" ) ||
 788                 endswith( strTemp.c_str(), "_p" ) ||
 789                 endswith( strTemp.c_str(), "_g" ) ||
 790                 endswith( strTemp.c_str(), "_a" ) ||
 791                 0;
 792 }
 793
 794 class LoadShaderVisitor : public Archive::Visitor
 795 {
 796 public:
 797 void visit( const char* name ){
 798         IShader* shader = QERApp_Shader_ForName( CopiedString( StringRange( name, path_get_filename_base_end( name ) ) ).c_str() );
 799         shader->DecRef();
 800         shader->setWadName( g_TextureBrowser_currentDirectory.c_str() );
 801 }
 802 };
 803
 804 void TextureBrowser_SetHideUnused( TextureBrowser& textureBrowser, bool hideUnused );
 805
 806 ui::Widget g_page_textures{ui::null};
 807
 808 void TextureBrowser_toggleShow(){
 809         GroupDialog_showPage( g_page_textures );
 810 }
 811
 812
 813 void TextureBrowser_updateTitle(){
 814         GroupDialog_updatePageTitle( g_page_textures );
 815 }
 816
 817
 818 class TextureCategoryLoadShader
 819 {
 820 const char* m_directory;
 821 std::size_t& m_count;
 822 public:
 823 using func = void(const char *);
 824
 825 TextureCategoryLoadShader( const char* directory, std::size_t& count )
 826         : m_directory( directory ), m_count( count ){
 827         m_count = 0;
 828 }
 829
 830 void operator()( const char* name ) const {
 831         if ( shader_equal_prefix( name, "textures/" )
 832                  && shader_equal_prefix( name + string_length( "textures/" ), m_directory ) ) {
 833                 ++m_count;
 834                 // request the shader, this will load the texture if needed
 835                 // this Shader_ForName call is a kind of hack
 836                 IShader *pFoo = QERApp_Shader_ForName( name );
 837                 pFoo->DecRef();
 838         }
 839 }
 840 };
 841
 842 void TextureDirectory_loadTexture( const char* directory, const char* texture ){
 843         // Doom3-like dds/ prefix (used by DarkPlaces).
 844         // When we list dds/textures/ folder,
 845         // store the texture names without dds/ prefix.
 846         if ( !strncmp( "dds/", directory, 4 ) )
 847         {
 848                 directory = &directory[ 4 ];
 849         }
 850
 851         StringOutputStream name( 256 );
 852         name << directory << StringRange( texture, path_get_filename_base_end( texture ) );
 853
 854         if ( texture_name_ignore( name.c_str() ) ) {
 855                 return;
 856         }
 857
 858         if ( !shader_valid( name.c_str() ) ) {
 859                 globalOutputStream() << "Skipping invalid texture name: [" << name.c_str() << "]\n";
 860                 return;
 861         }
 862
 863         // if a texture is already in use to represent a shader, ignore it
 864         IShader* shader = QERApp_Shader_ForName( name.c_str() );
 865         shader->DecRef();
 866 }
 867
 868 typedef ConstPointerCaller<char, void(const char*), TextureDirectory_loadTexture> TextureDirectoryLoadTextureCaller;
 869
 870 class LoadTexturesByTypeVisitor : public ImageModules::Visitor
 871 {
 872 const char* m_dirstring;
 873 public:
 874 LoadTexturesByTypeVisitor( const char* dirstring )
 875         : m_dirstring( dirstring ){
 876 }
 877
 878 void visit( const char* minor, const _QERPlugImageTable& table ) const {
 879         GlobalFileSystem().forEachFile( m_dirstring, minor, TextureDirectoryLoadTextureCaller( m_dirstring ) );
 880 }
 881 };
 882
 883 void TextureBrowser_ShowDirectory( TextureBrowser& textureBrowser, const char* directory ){
 884         if ( TextureBrowser_showWads() ) {
 885                 g_TextureBrowser_currentDirectory = directory;
 886                 TextureBrowser_heightChanged( textureBrowser );
 887
 888                 Archive* archive = GlobalFileSystem().getArchive( directory );
 889                 if ( archive != nullptr )
 890                 {
 891                 LoadShaderVisitor visitor;
 892                 archive->forEachFile( Archive::VisitorFunc( visitor, Archive::eFiles, 0 ), "textures/" );
 893
 894                         // Doom3-like dds/ prefix (used by DarkPlaces).
 895                         archive->forEachFile( Archive::VisitorFunc( visitor, Archive::eFiles, 0 ), "dds/textures/" );
 896                 }
 897                 else if ( extension_equal_i( path_get_extension( directory ), "wad" ) )
 898                 {
 899                         globalErrorStream() << "Failed to load " << directory << "\n";
 900                 }
 901         }
 902         else
 903         {
 904                 g_TextureBrowser_currentDirectory = directory;
 905                 TextureBrowser_heightChanged( textureBrowser );
 906
 907                 std::size_t shaders_count;
 908                 GlobalShaderSystem().foreachShaderName(makeCallback( TextureCategoryLoadShader( directory, shaders_count ) ) );
 909                 globalOutputStream() << "Showing " << Unsigned( shaders_count ) << " shaders.\n";
 910
 911                 if ( g_pGameDescription->mGameType != "doom3" ) {
 912                         // load remaining texture files
 913
 914                         StringOutputStream dirstring( 64 );
 915                         dirstring << "textures/" << directory;
 916
 917                         {
 918                                 LoadTexturesByTypeVisitor visitor( dirstring.c_str() );
 919                                 Radiant_getImageModules().foreachModule( visitor );
 920                         }
 921
 922                         // Doom3-like dds/ prefix (used by DarkPlaces).
 923                         dirstring.clear();
 924                         dirstring << "dds/textures/" << directory;
 925
 926                         {
 927                                 LoadTexturesByTypeVisitor visitor( dirstring.c_str() );
 928                                 Radiant_getImageModules().foreachModule( visitor );
 929                         }
 930                 }
 931         }
 932
 933         // we'll display the newly loaded textures + all the ones already in use
 934         TextureBrowser_SetHideUnused( textureBrowser, false );
 935
 936         TextureBrowser_updateTitle();
 937 }
 938
 939 void TextureBrowser_ShowTagSearchResult( TextureBrowser& textureBrowser, const char* directory ){
 940         g_TextureBrowser_currentDirectory = directory;
 941         TextureBrowser_heightChanged( textureBrowser );
 942
 943         std::size_t shaders_count;
 944         GlobalShaderSystem().foreachShaderName(makeCallback( TextureCategoryLoadShader( directory, shaders_count ) ) );
 945         globalOutputStream() << "Showing " << Unsigned( shaders_count ) << " shaders.\n";
 946
 947         if ( g_pGameDescription->mGameType != "doom3" ) {
 948                 // load remaining texture files
 949                 StringOutputStream dirstring( 64 );
 950                 dirstring << "textures/" << directory;
 951
 952                 {
 953                         LoadTexturesByTypeVisitor visitor( dirstring.c_str() );
 954                         Radiant_getImageModules().foreachModule( visitor );
 955                 }
 956
 957                 // Doom3-like dds/ prefix (used by DarkPlaces).
 958                 dirstring.clear();
 959                 dirstring << "dds/textures/" << directory;
 960
 961                 {
 962                         LoadTexturesByTypeVisitor visitor( dirstring.c_str() );
 963                         Radiant_getImageModules().foreachModule( visitor );
 964                 }
 965         }
 966
 967         // we'll display the newly loaded textures + all the ones already in use
 968         TextureBrowser_SetHideUnused( textureBrowser, false );
 969 }
 970
 971
 972 bool TextureBrowser_hideUnused();
 973
 974 void TextureBrowser_hideUnusedExport( const Callback<void(bool)> & importer ){
 975         importer( TextureBrowser_hideUnused() );
 976 }
 977
 978 typedef FreeCaller<void(const Callback<void(bool)> &), TextureBrowser_hideUnusedExport> TextureBrowserHideUnusedExport;
 979
 980 void TextureBrowser_showShadersExport( const Callback<void(bool)> & importer ){
 981         importer( GlobalTextureBrowser().m_showShaders );
 982 }
 983
 984 typedef FreeCaller<void(const Callback<void(bool)> &), TextureBrowser_showShadersExport> TextureBrowserShowShadersExport;
 985
 986 void TextureBrowser_showTexturesExport( const Callback<void(bool)> & importer ){
 987         importer( GlobalTextureBrowser().m_showTextures );
 988 }
 989
 990 typedef FreeCaller<void(const Callback<void(bool)> &), TextureBrowser_showTexturesExport> TextureBrowserShowTexturesExport;
 991
 992 void TextureBrowser_showShaderlistOnly( const Callback<void(bool)> & importer ){
 993         importer( g_TextureBrowser_shaderlistOnly );
 994 }
 995
 996 typedef FreeCaller<void(const Callback<void(bool)> &), TextureBrowser_showShaderlistOnly> TextureBrowserShowShaderlistOnlyExport;
 997
 998 void TextureBrowser_fixedSize( const Callback<void(bool)> & importer ){
 999         importer( g_TextureBrowser_fixedSize );
1000 }
1001
1002 typedef FreeCaller<void(const Callback<void(bool)> &), TextureBrowser_fixedSize> TextureBrowser_FixedSizeExport;
1003
1004 void TextureBrowser_filterMissing( const Callback<void(bool)> & importer ){
1005         importer( g_TextureBrowser_filterMissing );
1006 }
1007
1008 typedef FreeCaller<void(const Callback<void(bool)> &), TextureBrowser_filterMissing> TextureBrowser_filterMissingExport;
1009
1010 void TextureBrowser_filterFallback( const Callback<void(bool)> & importer ){
1011         importer( g_TextureBrowser_filterFallback );
1012 }
1013
1014 typedef FreeCaller<void(const Callback<void(bool)> &), TextureBrowser_filterFallback> TextureBrowser_filterFallbackExport;
1015
1016 void TextureBrowser_enableAlpha( const Callback<void(bool)> & importer ){
1017         importer( g_TextureBrowser_enableAlpha );
1018 }
1019
1020 typedef FreeCaller<void(const Callback<void(bool)> &), TextureBrowser_enableAlpha> TextureBrowser_enableAlphaExport;
1021
1022 void TextureBrowser_SetHideUnused( TextureBrowser& textureBrowser, bool hideUnused ){
1023         if ( hideUnused ) {
1024                 textureBrowser.m_hideUnused = true;
1025         }
1026         else
1027         {
1028                 textureBrowser.m_hideUnused = false;
1029         }
1030
1031         textureBrowser.m_hideunused_item.update();
1032
1033         TextureBrowser_heightChanged( textureBrowser );
1034         textureBrowser.m_originInvalid = true;
1035 }
1036
1037 void TextureBrowser_ShowStartupShaders( TextureBrowser& textureBrowser ){
1038         if ( textureBrowser.m_startupShaders == STARTUPSHADERS_COMMON ) {
1039                 TextureBrowser_ShowDirectory( textureBrowser, TextureBrowser_getCommonShadersDir() );
1040         }
1041 }
1042
1043
1044 //++timo NOTE: this is a mix of Shader module stuff and texture explorer
1045 // it might need to be split in parts or moved out .. dunno
1046 // scroll origin so the specified texture is completely on screen
1047 // if current texture is not displayed, nothing is changed
1048 void TextureBrowser_Focus( TextureBrowser& textureBrowser, const char* name ){
1049         TextureLayout layout;
1050         // scroll origin so the texture is completely on screen
1051         Texture_StartPos( layout );
1052
1053         for ( QERApp_ActiveShaders_IteratorBegin(); !QERApp_ActiveShaders_IteratorAtEnd(); QERApp_ActiveShaders_IteratorIncrement() )
1054         {
1055                 IShader* shader = QERApp_ActiveShaders_IteratorCurrent();
1056
1057                 if ( !Texture_IsShown( shader, textureBrowser.m_showShaders, textureBrowser.m_showTextures, textureBrowser.m_hideUnused ) ) {
1058                         continue;
1059                 }
1060
1061                 int x, y;
1062                 Texture_NextPos( textureBrowser, layout, shader->getTexture(), &x, &y );
1063                 qtexture_t* q = shader->getTexture();
1064                 if ( !q ) {
1065                         break;
1066                 }
1067
1068                 // we have found when texdef->name and the shader name match
1069                 // NOTE: as everywhere else for our comparisons, we are not case sensitive
1070                 if ( shader_equal( name, shader->getName() ) ) {
1071                         //int textureHeight = (int)( q->height * ( (float)textureBrowser.m_textureScale / 100 ) ) + 2 * TextureBrowser_fontHeight( textureBrowser );
1072                         int textureWidth, textureHeight;
1073                         textureBrowser.getTextureWH( q, textureWidth, textureHeight );
1074                         textureHeight += 2 * TextureBrowser_fontHeight( textureBrowser );
1075
1076
1077                         int originy = TextureBrowser_getOriginY( textureBrowser );
1078                         if ( y > originy ) {
1079                                 originy = y + 4;
1080                         }
1081
1082                         if ( y - textureHeight < originy - textureBrowser.height ) {
1083                                 originy = ( y - textureHeight ) + textureBrowser.height;
1084                         }
1085
1086                         TextureBrowser_setOriginY( textureBrowser, originy );
1087                         return;
1088                 }
1089         }
1090 }
1091
1092 IShader* Texture_At( TextureBrowser& textureBrowser, int mx, int my ){
1093         my += TextureBrowser_getOriginY( textureBrowser ) - textureBrowser.height;
1094
1095         TextureLayout layout;
1096         Texture_StartPos( layout );
1097         for ( QERApp_ActiveShaders_IteratorBegin(); !QERApp_ActiveShaders_IteratorAtEnd(); QERApp_ActiveShaders_IteratorIncrement() )
1098         {
1099                 IShader* shader = QERApp_ActiveShaders_IteratorCurrent();
1100
1101                 if ( !Texture_IsShown( shader, textureBrowser.m_showShaders, textureBrowser.m_showTextures, textureBrowser.m_hideUnused ) ) {
1102                         continue;
1103                 }
1104
1105                 int x, y;
1106                 Texture_NextPos( textureBrowser, layout, shader->getTexture(), &x, &y );
1107                 qtexture_t  *q = shader->getTexture();
1108                 if ( !q ) {
1109                         break;
1110                 }
1111
1112                 int nWidth, nHeight;
1113                 textureBrowser.getTextureWH( q, nWidth, nHeight );
1114                 if ( mx > x && mx - x < nWidth
1115                          && my < y && y - my < nHeight + TextureBrowser_fontHeight( textureBrowser ) ) {
1116                         return shader;
1117                 }
1118         }
1119
1120         return 0;
1121 }
1122
1123 /*
1124    ==============
1125    SelectTexture
1126
1127    By mouse click
1128    ==============
1129  */
1130 void SelectTexture( TextureBrowser& textureBrowser, int mx, int my, bool bShift ){
1131         IShader* shader = Texture_At( textureBrowser, mx, my );
1132         if ( shader != 0 ) {
1133                 if ( bShift ) {
1134                         if ( shader->IsDefault() ) {
1135                                 globalOutputStream() << "ERROR: " << shader->getName() << " is not a shader, it's a texture.\n";
1136                         }
1137                         else{
1138                                 ViewShader( shader->getShaderFileName(), shader->getName() );
1139                         }
1140                 }
1141                 else
1142                 {
1143                         TextureBrowser_SetSelectedShader( textureBrowser, shader->getName() );
1144                         TextureBrowser_textureSelected( shader->getName() );
1145
1146                         if ( !FindTextureDialog_isOpen() && !textureBrowser.m_rmbSelected ) {
1147                                 UndoableCommand undo( "textureNameSetSelected" );
1148                                 Select_SetShader( shader->getName() );
1149                         }
1150                 }
1151         }
1152 }
1153
1154 /*
1155    ============================================================================
1156
1157    MOUSE ACTIONS
1158
1159    ============================================================================
1160  */
1161
1162 void TextureBrowser_trackingDelta( int x, int y, unsigned int state, void* data ){
1163         TextureBrowser& textureBrowser = *reinterpret_cast<TextureBrowser*>( data );
1164         if ( y != 0 ) {
1165                 int scale = 1;
1166
1167                 if ( state & GDK_SHIFT_MASK ) {
1168                         scale = 4;
1169                 }
1170
1171                 int originy = TextureBrowser_getOriginY( textureBrowser );
1172                 originy += y * scale;
1173                 TextureBrowser_setOriginY( textureBrowser, originy );
1174         }
1175 }
1176
1177 void TextureBrowser_Tracking_MouseUp( TextureBrowser& textureBrowser ){
1178         textureBrowser.m_move_started = false;
1179         /* NetRadiantCustom did this instead:
1180         textureBrowser.m_freezePointer.unfreeze_pointer( textureBrowser.m_gl_widget ); */
1181
1182         textureBrowser.m_freezePointer.unfreeze_pointer( textureBrowser.m_gl_widget );
1183 }
1184
1185 void TextureBrowser_Tracking_MouseDown( TextureBrowser& textureBrowser ){
1186         if( textureBrowser.m_move_started ){
1187                 TextureBrowser_Tracking_MouseUp( textureBrowser );
1188         }
1189         textureBrowser.m_move_started = true;
1190         /* NetRadiantCustom did this instead:
1191         textureBrowser.m_freezePointer.freeze_pointer( textureBrowser.m_parent, textureBrowser.m_gl_widget, TextureBrowser_trackingDelta, &textureBrowser ); */
1192         textureBrowser.m_freezePointer.freeze_pointer( textureBrowser.m_gl_widget, TextureBrowser_trackingDelta, &textureBrowser );
1193 }
1194
1195 void TextureBrowser_Selection_MouseDown( TextureBrowser& textureBrowser, guint32 flags, int pointx, int pointy ){
1196         SelectTexture( textureBrowser, pointx, textureBrowser.height - 1 - pointy, ( flags & GDK_SHIFT_MASK ) != 0 );
1197 }
1198
1199 /*
1200    ============================================================================
1201
1202    DRAWING
1203
1204    ============================================================================
1205  */
1206
1207 /*
1208    ============
1209    Texture_Draw
1210    TTimo: relying on the shaders list to display the textures
1211    we must query all qtexture_t* to manage and display through the IShaders interface
1212    this allows a plugin to completely override the texture system
1213    ============
1214  */
1215 void Texture_Draw( TextureBrowser& textureBrowser ){
1216         int originy = TextureBrowser_getOriginY( textureBrowser );
1217
1218         glClearColor( textureBrowser.color_textureback[0],
1219                                   textureBrowser.color_textureback[1],
1220                                   textureBrowser.color_textureback[2],
1221                                   0 );
1222
1223         glViewport( 0, 0, textureBrowser.width, textureBrowser.height );
1224         glMatrixMode( GL_PROJECTION );
1225         glLoadIdentity();
1226
1227         glClear( GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT );
1228         glDisable( GL_DEPTH_TEST );
1229
1230         //glDisable( GL_BLEND );
1231         if ( g_TextureBrowser_enableAlpha ) {
1232                 glEnable( GL_BLEND );
1233                 glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
1234         }
1235         else {
1236                 glDisable( GL_BLEND );
1237         }
1238
1239         glOrtho( 0, textureBrowser.width, originy - textureBrowser.height, originy, -100, 100 );
1240         glEnable( GL_TEXTURE_2D );
1241
1242         glPolygonMode( GL_FRONT_AND_BACK, GL_FILL );
1243
1244         int last_y = 0, last_height = 0;
1245
1246         TextureLayout layout;
1247         Texture_StartPos( layout );
1248         for ( QERApp_ActiveShaders_IteratorBegin(); !QERApp_ActiveShaders_IteratorAtEnd(); QERApp_ActiveShaders_IteratorIncrement() )
1249         {
1250                 IShader* shader = QERApp_ActiveShaders_IteratorCurrent();
1251
1252                 if ( !Texture_IsShown( shader, textureBrowser.m_showShaders, textureBrowser.m_showTextures, textureBrowser.m_hideUnused ) ) {
1253                         continue;
1254                 }
1255
1256                 int x, y;
1257                 Texture_NextPos( textureBrowser, layout, shader->getTexture(), &x, &y );
1258                 qtexture_t *q = shader->getTexture();
1259                 if ( !q ) {
1260                         break;
1261                 }
1262
1263                 int nWidth, nHeight;
1264                 textureBrowser.getTextureWH( q, nWidth, nHeight );
1265
1266                 if ( y != last_y ) {
1267                         last_y = y;
1268                         last_height = 0;
1269                 }
1270                 last_height = std::max( nHeight, last_height );
1271
1272                 // Is this texture visible?
1273                 if ( ( y - nHeight - TextureBrowser_fontHeight( textureBrowser ) < originy )
1274                          && ( y > originy - textureBrowser.height ) ) {
1275                         // borders rules:
1276                         // if it's the current texture, draw a thick red line, else:
1277                         // shaders have a white border, simple textures don't
1278                         // if !texture_showinuse: (some textures displayed may not be in use)
1279                         // draw an additional square around with 0.5 1 0.5 color
1280                         glLineWidth( 1 );
1281                         const float xf = (float)x;
1282                         const float yf = (float)( y - TextureBrowser_fontHeight( textureBrowser ) );
1283                         float xfMax = xf + 1.5 + nWidth;
1284                         float xfMin = xf - 1.5;
1285                         float yfMax = yf + 1.5;
1286                         float yfMin = yf - nHeight - 1.5;
1287
1288                         //selected texture
1289                         if ( shader_equal( TextureBrowser_GetSelectedShader( textureBrowser ), shader->getName() ) ) {
1290                                 glLineWidth( 2 );
1291                                 if ( textureBrowser.m_rmbSelected ) {
1292                                         glColor3f( 0,0,1 );
1293                                 }
1294                                 else {
1295                                         glColor3f( 1,0,0 );
1296                                 }
1297                                 xfMax += .5;
1298                                 xfMin -= .5;
1299                                 yfMax += .5;
1300                                 yfMin -= .5;
1301                                 glDisable( GL_TEXTURE_2D );
1302                                 glBegin( GL_LINE_LOOP );
1303                                 glVertex2f( xfMin ,yfMax );
1304                                 glVertex2f( xfMin ,yfMin );
1305                                 glVertex2f( xfMax ,yfMin );
1306                                 glVertex2f( xfMax ,yfMax );
1307                                 glEnd();
1308                                 glEnable( GL_TEXTURE_2D );
1309                         }
1310                         // highlight in-use textures
1311                         else if ( !textureBrowser.m_hideUnused && shader->IsInUse() ) {
1312                                 glColor3f( 0.5,1,0.5 );
1313                                 glDisable( GL_TEXTURE_2D );
1314                                 glBegin( GL_LINE_LOOP );
1315                                 glVertex2f( xfMin ,yfMax );
1316                                 glVertex2f( xfMin ,yfMin );
1317                                 glVertex2f( xfMax ,yfMin );
1318                                 glVertex2f( xfMax ,yfMax );
1319                                 glEnd();
1320                                 glEnable( GL_TEXTURE_2D );
1321                         }
1322                         // shader white border:
1323                         else if ( !shader->IsDefault() ) {
1324                                 glColor3f( 1, 1, 1 );
1325                                 glDisable( GL_TEXTURE_2D );
1326                                 glBegin( GL_LINE_LOOP );
1327                                 glVertex2f( xfMin ,yfMax );
1328                                 glVertex2f( xfMin ,yfMin );
1329                                 glVertex2f( xfMax ,yfMin );
1330                                 glVertex2f( xfMax ,yfMax );
1331                                 glEnd();
1332                                 glEnable( GL_TEXTURE_2D );
1333                         }
1334
1335                         // shader stipple:
1336                         if ( !shader->IsDefault() ) {
1337                                 glEnable( GL_LINE_STIPPLE );
1338                                 glLineStipple( 1, 0xF000 );
1339                                 glDisable( GL_TEXTURE_2D );
1340                                 glBegin( GL_LINE_LOOP );
1341                                 glColor3f( 0, 0, 0 );
1342                                 glVertex2f( xfMin ,yfMax );
1343                                 glVertex2f( xfMin ,yfMin );
1344                                 glVertex2f( xfMax ,yfMin );
1345                                 glVertex2f( xfMax ,yfMax );
1346                                 glEnd();
1347                                 glDisable( GL_LINE_STIPPLE );
1348                                 glEnable( GL_TEXTURE_2D );
1349                         }
1350
1351                         // draw checkerboard for transparent textures
1352                         if ( g_TextureBrowser_enableAlpha )
1353                         {
1354                                 glDisable( GL_TEXTURE_2D );
1355                                 glBegin( GL_QUADS );
1356                                 int font_height = TextureBrowser_fontHeight( textureBrowser );
1357                                 for ( int i = 0; i < nHeight; i += 8 )
1358                                         for ( int j = 0; j < nWidth; j += 8 )
1359                                         {
1360                                                 unsigned char color = (i + j) / 8 % 2 ? 0x66 : 0x99;
1361                                                 glColor3ub( color, color, color );
1362                                                 int left = j;
1363                                                 int right = std::min(j+8, nWidth);
1364                                                 int top = i;
1365                                                 int bottom = std::min(i+8, nHeight);
1366                                                 glVertex2i(x + right, y - nHeight - font_height + top);
1367                                                 glVertex2i(x + left,  y - nHeight - font_height + top);
1368                                                 glVertex2i(x + left,  y - nHeight - font_height + bottom);
1369                                                 glVertex2i(x + right, y - nHeight - font_height + bottom);
1370                                         }
1371                                 glEnd();
1372                                 glEnable( GL_TEXTURE_2D );
1373                         }
1374
1375                         // Draw the texture
1376                         glBindTexture( GL_TEXTURE_2D, q->texture_number );
1377                         GlobalOpenGL_debugAssertNoErrors();
1378                         glColor3f( 1,1,1 );
1379                         glBegin( GL_QUADS );
1380                         glTexCoord2i( 0,0 );
1381                         glVertex2i( x,y - TextureBrowser_fontHeight( textureBrowser ) );
1382                         glTexCoord2i( 1,0 );
1383                         glVertex2i( x + nWidth,y - TextureBrowser_fontHeight( textureBrowser ) );
1384                         glTexCoord2i( 1,1 );
1385                         glVertex2i( x + nWidth,y - TextureBrowser_fontHeight( textureBrowser ) - nHeight );
1386                         glTexCoord2i( 0,1 );
1387                         glVertex2i( x,y - TextureBrowser_fontHeight( textureBrowser ) - nHeight );
1388                         glEnd();
1389
1390                         // draw the texture name
1391                         glDisable( GL_TEXTURE_2D );
1392                         glColor3f( 1,1,1 );
1393
1394                         glRasterPos2i( x, y - TextureBrowser_fontHeight( textureBrowser ) + 2 );//+5
1395
1396                         // don't draw the directory name
1397                         const char* name = shader->getName();
1398                         name += strlen( name );
1399                         while ( name != shader->getName() && *( name - 1 ) != '/' && *( name - 1 ) != '\\' )
1400                                 name--;
1401
1402                         GlobalOpenGL().drawString( name );
1403                         glEnable( GL_TEXTURE_2D );
1404                 }
1405
1406                 //int totalHeight = abs(y) + last_height + TextureBrowser_fontHeight(textureBrowser) + 4;
1407         }
1408
1409
1410         // reset the current texture
1411         glBindTexture( GL_TEXTURE_2D, 0 );
1412         //qglFinish();
1413 }
1414
1415 void TextureBrowser_queueDraw( TextureBrowser& textureBrowser ){
1416         if ( textureBrowser.m_gl_widget ) {
1417                 gtk_widget_queue_draw( textureBrowser.m_gl_widget );
1418         }
1419 }
1420
1421
1422 void TextureBrowser_setScale( TextureBrowser& textureBrowser, std::size_t scale ){
1423         textureBrowser.m_textureScale = scale;
1424
1425         textureBrowser.m_heightChanged = true;
1426         textureBrowser.m_originInvalid = true;
1427         g_activeShadersChangedCallbacks();
1428
1429         TextureBrowser_queueDraw( textureBrowser );
1430 }
1431
1432 void TextureBrowser_setUniformSize( TextureBrowser& textureBrowser, std::size_t scale ){
1433         textureBrowser.m_uniformTextureSize = scale;
1434
1435         textureBrowser.m_heightChanged = true;
1436         textureBrowser.m_originInvalid = true;
1437         g_activeShadersChangedCallbacks();
1438
1439         TextureBrowser_queueDraw( textureBrowser );
1440 }
1441
1442 void TextureBrowser_setUniformMinSize( TextureBrowser& textureBrowser, std::size_t scale ){
1443         textureBrowser.m_uniformTextureMinSize = scale;
1444
1445         textureBrowser.m_heightChanged = true;
1446         textureBrowser.m_originInvalid = true;
1447         g_activeShadersChangedCallbacks();
1448
1449         TextureBrowser_queueDraw( textureBrowser );
1450 }
1451
1452 void TextureBrowser_MouseWheel( TextureBrowser& textureBrowser, bool bUp ){
1453         int originy = TextureBrowser_getOriginY( textureBrowser );
1454
1455         if ( bUp ) {
1456                 originy += int(textureBrowser.m_mouseWheelScrollIncrement);
1457         }
1458         else
1459         {
1460                 originy -= int(textureBrowser.m_mouseWheelScrollIncrement);
1461         }
1462
1463         TextureBrowser_setOriginY( textureBrowser, originy );
1464 }
1465
1466 XmlTagBuilder TagBuilder;
1467
1468 enum
1469 {
1470         TAG_COLUMN,
1471         N_COLUMNS
1472 };
1473
1474 void BuildStoreAssignedTags( ui::ListStore store, const char* shader, TextureBrowser* textureBrowser ){
1475         GtkTreeIter iter;
1476
1477         store.clear();
1478
1479         std::vector<CopiedString> assigned_tags;
1480         TagBuilder.GetShaderTags( shader, assigned_tags );
1481
1482         for ( size_t i = 0; i < assigned_tags.size(); i++ )
1483         {
1484                 store.append(TAG_COLUMN, assigned_tags[i].c_str());
1485         }
1486 }
1487
1488 void BuildStoreAvailableTags(   ui::ListStore storeAvailable,
1489                                                                 ui::ListStore storeAssigned,
1490                                                                 const std::set<CopiedString>& allTags,
1491                                                                 TextureBrowser* textureBrowser ){
1492         GtkTreeIter iterAssigned;
1493         GtkTreeIter iterAvailable;
1494         std::set<CopiedString>::const_iterator iterAll;
1495         gchar* tag_assigned;
1496
1497         storeAvailable.clear();
1498
1499         bool row = gtk_tree_model_get_iter_first(storeAssigned, &iterAssigned ) != 0;
1500
1501         if ( !row ) { // does the shader have tags assigned?
1502                 for ( iterAll = allTags.begin(); iterAll != allTags.end(); ++iterAll )
1503                 {
1504                         storeAvailable.append(TAG_COLUMN, (*iterAll).c_str());
1505                 }
1506         }
1507         else
1508         {
1509                 while ( row ) // available tags = all tags - assigned tags
1510                 {
1511                         gtk_tree_model_get(storeAssigned, &iterAssigned, TAG_COLUMN, &tag_assigned, -1 );
1512
1513                         for ( iterAll = allTags.begin(); iterAll != allTags.end(); ++iterAll )
1514                         {
1515                                 if ( strcmp( (char*)tag_assigned, ( *iterAll ).c_str() ) != 0 ) {
1516                                         storeAvailable.append(TAG_COLUMN, (*iterAll).c_str());
1517                                 }
1518                                 else
1519                                 {
1520                                         row = gtk_tree_model_iter_next(storeAssigned, &iterAssigned ) != 0;
1521
1522                                         if ( row ) {
1523                                                 gtk_tree_model_get(storeAssigned, &iterAssigned, TAG_COLUMN, &tag_assigned, -1 );
1524                                         }
1525                                 }
1526                         }
1527                 }
1528         }
1529 }
1530
1531 gboolean TextureBrowser_button_press( ui::Widget widget, GdkEventButton* event, TextureBrowser* textureBrowser ){
1532         if ( event->type == GDK_BUTTON_PRESS ) {
1533                 if ( event->button == 3 ) {
1534                         if ( textureBrowser->m_tags ) {
1535                                 textureBrowser->m_rmbSelected = true;
1536                                 TextureBrowser_Selection_MouseDown( *textureBrowser, event->state, static_cast<int>( event->x ), static_cast<int>( event->y ) );
1537
1538                                 BuildStoreAssignedTags( textureBrowser->m_assigned_store, textureBrowser->shader.c_str(), textureBrowser );
1539                                 BuildStoreAvailableTags( textureBrowser->m_available_store, textureBrowser->m_assigned_store, textureBrowser->m_all_tags, textureBrowser );
1540                                 textureBrowser->m_heightChanged = true;
1541                                 textureBrowser->m_tag_frame.show();
1542
1543                 ui::process();
1544
1545                                 TextureBrowser_Focus( *textureBrowser, textureBrowser->shader.c_str() );
1546                         }
1547                         else
1548                         {
1549                                 TextureBrowser_Tracking_MouseDown( *textureBrowser );
1550                         }
1551                 }
1552                 else if ( event->button == 1 ) {
1553                         TextureBrowser_Selection_MouseDown( *textureBrowser, event->state, static_cast<int>( event->x ), static_cast<int>( event->y ) );
1554
1555                         if ( textureBrowser->m_tags ) {
1556                                 textureBrowser->m_rmbSelected = false;
1557                                 textureBrowser->m_tag_frame.hide();
1558                         }
1559                 }
1560         }
1561         else if ( event->type == GDK_2BUTTON_PRESS && event->button == 1 ) {
1562                 #define GARUX_DISABLE_2BUTTON
1563                 #ifndef GARUX_DISABLE_2BUTTON
1564                 CopiedString texName = textureBrowser->shader;
1565                 const char* sh = textureBrowser->shader.c_str();
1566                 char* dir = strrchr( sh, '/' );
1567                 if( dir != NULL ){
1568                         *(dir + 1) = '\0';
1569                         dir = strchr( sh, '/' );
1570                         if( dir != NULL ){
1571                                 dir++;
1572                                 if( *dir != '\0'){
1573                                         ScopeDisableScreenUpdates disableScreenUpdates( dir, "Loading Textures" );
1574                                         TextureBrowser_ShowDirectory( *textureBrowser, dir );
1575                                         TextureBrowser_Focus( *textureBrowser, textureBrowser->shader.c_str() );
1576                                         TextureBrowser_queueDraw( *textureBrowser );
1577                                 }
1578                         }
1579                 }
1580                 #endif
1581         }
1582         else if ( event->type == GDK_2BUTTON_PRESS && event->button == 3 ) {
1583                 ScopeDisableScreenUpdates disableScreenUpdates( TextureBrowser_getCommonShadersDir(), "Loading Textures" );
1584                 TextureBrowser_ShowDirectory( *textureBrowser, TextureBrowser_getCommonShadersDir() );
1585                 TextureBrowser_queueDraw( *textureBrowser );
1586         }
1587         return FALSE;
1588 }
1589
1590 gboolean TextureBrowser_button_release( ui::Widget widget, GdkEventButton* event, TextureBrowser* textureBrowser ){
1591         if ( event->type == GDK_BUTTON_RELEASE ) {
1592                 if ( event->button == 3 ) {
1593                         if ( !textureBrowser->m_tags ) {
1594                                 TextureBrowser_Tracking_MouseUp( *textureBrowser );
1595                         }
1596                 }
1597         }
1598         return FALSE;
1599 }
1600
1601 gboolean TextureBrowser_motion( ui::Widget widget, GdkEventMotion *event, TextureBrowser* textureBrowser ){
1602         return FALSE;
1603 }
1604
1605 gboolean TextureBrowser_scroll( ui::Widget widget, GdkEventScroll* event, TextureBrowser* textureBrowser ){
1606         if ( event->direction == GDK_SCROLL_UP ) {
1607                 TextureBrowser_MouseWheel( *textureBrowser, true );
1608         }
1609         else if ( event->direction == GDK_SCROLL_DOWN ) {
1610                 TextureBrowser_MouseWheel( *textureBrowser, false );
1611         }
1612         return FALSE;
1613 }
1614
1615 void TextureBrowser_scrollChanged( void* data, gdouble value ){
1616         //globalOutputStream() << "vertical scroll\n";
1617         TextureBrowser_setOriginY( *reinterpret_cast<TextureBrowser*>( data ), -(int)value );
1618 }
1619
1620 static void TextureBrowser_verticalScroll(ui::Adjustment adjustment, TextureBrowser* textureBrowser ){
1621         textureBrowser->m_scrollAdjustment.value_changed( gtk_adjustment_get_value(adjustment) );
1622 }
1623
1624 void TextureBrowser_updateScroll( TextureBrowser& textureBrowser ){
1625         if ( textureBrowser.m_showTextureScrollbar ) {
1626                 int totalHeight = TextureBrowser_TotalHeight( textureBrowser );
1627
1628                 totalHeight = std::max( totalHeight, textureBrowser.height );
1629
1630         auto vadjustment = gtk_range_get_adjustment( GTK_RANGE( textureBrowser.m_texture_scroll ) );
1631
1632                 gtk_adjustment_set_value(vadjustment, -TextureBrowser_getOriginY( textureBrowser ));
1633                 gtk_adjustment_set_page_size(vadjustment, textureBrowser.height);
1634                 gtk_adjustment_set_page_increment(vadjustment, textureBrowser.height / 2);
1635                 gtk_adjustment_set_step_increment(vadjustment, 20);
1636                 gtk_adjustment_set_lower(vadjustment, 0);
1637                 gtk_adjustment_set_upper(vadjustment, totalHeight);
1638
1639                 g_signal_emit_by_name( G_OBJECT( vadjustment ), "changed" );
1640         }
1641 }
1642
1643 gboolean TextureBrowser_size_allocate( ui::Widget widget, GtkAllocation* allocation, TextureBrowser* textureBrowser ){
1644         textureBrowser->width = allocation->width;
1645         textureBrowser->height = allocation->height;
1646         TextureBrowser_heightChanged( *textureBrowser );
1647         textureBrowser->m_originInvalid = true;
1648         TextureBrowser_queueDraw( *textureBrowser );
1649         return FALSE;
1650 }
1651
1652 void TextureBrowser_redraw( TextureBrowser* textureBrowser ){
1653         if ( glwidget_make_current( textureBrowser->m_gl_widget ) != FALSE ) {
1654                 GlobalOpenGL_debugAssertNoErrors();
1655                 TextureBrowser_evaluateHeight( *textureBrowser );
1656                 Texture_Draw( *textureBrowser );
1657                 GlobalOpenGL_debugAssertNoErrors();
1658                 glwidget_swap_buffers( textureBrowser->m_gl_widget );
1659         }
1660 }
1661
1662 gboolean TextureBrowser_expose( ui::Widget widget, GdkEventExpose* event, TextureBrowser* textureBrowser ){
1663         TextureBrowser_redraw( textureBrowser );
1664         return FALSE;
1665 }
1666
1667 TextureBrowser& GlobalTextureBrowser(){
1668         static TextureBrowser textureBrowser;
1669         return textureBrowser;
1670 }
1671
1672 bool TextureBrowser_hideUnused(){
1673         return GlobalTextureBrowser().m_hideUnused;
1674 }
1675
1676 void TextureBrowser_ToggleHideUnused(){
1677         TextureBrowser &textureBrowser = GlobalTextureBrowser();
1678         if ( textureBrowser.m_hideUnused ) {
1679                 TextureBrowser_SetHideUnused( textureBrowser, false );
1680         }
1681         else
1682         {
1683                 TextureBrowser_SetHideUnused( textureBrowser, true );
1684         }
1685 }
1686
1687 const char* TextureGroups_transformDirName( const char* dirName, StringOutputStream *archiveName )
1688 {
1689         if ( TextureBrowser_showWads() ) {
1690                 archiveName->clear();
1691                 *archiveName << StringRange( path_get_filename_start( dirName ), path_get_filename_base_end( dirName ) ) \
1692                         << "." << path_get_extension( dirName );
1693                 return archiveName->c_str();
1694         }
1695         return dirName;
1696 }
1697
1698 void TextureGroups_constructTreeModel( TextureGroups groups, ui::TreeStore store ){
1699         // put the information from the old textures menu into a treeview
1700         GtkTreeIter iter, child;
1701
1702         TextureGroups::const_iterator i = groups.begin();
1703         while ( i != groups.end() )
1704         {
1705                 StringOutputStream archiveName;
1706                 StringOutputStream nextArchiveName;
1707                 const char* dirName = TextureGroups_transformDirName( ( *i ).c_str(), &archiveName );
1708
1709                 const char* firstUnderscore = strchr( dirName, '_' );
1710                 StringRange dirRoot( dirName, ( firstUnderscore == 0 ) ? dirName : firstUnderscore + 1 );
1711
1712                 TextureGroups::const_iterator next = i;
1713                 ++next;
1714
1715                 if ( firstUnderscore != 0
1716                          && next != groups.end()
1717                          && string_equal_start( TextureGroups_transformDirName( ( *next ).c_str(), &nextArchiveName ), dirRoot ) ) {
1718                         gtk_tree_store_append( store, &iter, NULL );
1719                         gtk_tree_store_set( store, &iter, 0, CopiedString( StringRange( dirName, firstUnderscore ) ).c_str(), -1 );
1720
1721                         // keep going...
1722                         while ( i != groups.end() && string_equal_start( TextureGroups_transformDirName( ( *i ).c_str(), &nextArchiveName ), dirRoot ) )
1723                         {
1724                                 gtk_tree_store_append( store, &child, &iter );
1725                                 gtk_tree_store_set( store, &child, 0, TextureGroups_transformDirName( ( *i ).c_str(), &nextArchiveName ), -1 );
1726                                 ++i;
1727                         }
1728                 }
1729                 else
1730                 {
1731                         gtk_tree_store_append( store, &iter, NULL );
1732                         gtk_tree_store_set( store, &iter, 0, dirName, -1 );
1733                         ++i;
1734                 }
1735         }
1736 }
1737
1738 TextureGroups TextureGroups_constructTreeView(){
1739         TextureGroups groups;
1740
1741         if ( TextureBrowser_showWads() ) {
1742                 GlobalFileSystem().forEachArchive( TextureGroupsAddWadCaller( groups ) );
1743         }
1744         else
1745         {
1746                 // scan texture dirs and pak files only if not restricting to shaderlist
1747                 if ( g_pGameDescription->mGameType != "doom3" && !g_TextureBrowser_shaderlistOnly ) {
1748                         GlobalFileSystem().forEachDirectory( "textures/", TextureGroupsAddDirectoryCaller( groups ) );
1749                 }
1750
1751                 GlobalShaderSystem().foreachShaderName( TextureGroupsAddShaderCaller( groups ) );
1752         }
1753
1754         return groups;
1755 }
1756
1757 void TextureBrowser_constructTreeStore(){
1758         TextureGroups groups = TextureGroups_constructTreeView();
1759         auto store = ui::TreeStore::from(gtk_tree_store_new( 1, G_TYPE_STRING ));
1760         TextureGroups_constructTreeModel( groups, store );
1761
1762         gtk_tree_view_set_model(GlobalTextureBrowser().m_treeViewTree, store);
1763
1764         g_object_unref( G_OBJECT( store ) );
1765 }
1766
1767 void TextureBrowser_constructTreeStoreTags(){
1768         TextureGroups groups;
1769         TextureBrowser &textureBrowser = GlobalTextureBrowser();
1770         auto store = ui::TreeStore::from(gtk_tree_store_new( 1, G_TYPE_STRING ));
1771         auto model = GlobalTextureBrowser().m_all_tags_list;
1772
1773         gtk_tree_view_set_model(GlobalTextureBrowser().m_treeViewTags, model );
1774
1775         g_object_unref( G_OBJECT( store ) );
1776 }
1777
1778 void TreeView_onRowActivated( ui::TreeView treeview, ui::TreePath path, ui::TreeViewColumn col, gpointer userdata ){
1779         GtkTreeIter iter;
1780
1781     auto model = gtk_tree_view_get_model(treeview );
1782
1783         if ( gtk_tree_model_get_iter( model, &iter, path ) ) {
1784                 gchar dirName[1024];
1785
1786                 gchar* buffer;
1787                 gtk_tree_model_get( model, &iter, 0, &buffer, -1 );
1788                 strcpy( dirName, buffer );
1789                 g_free( buffer );
1790
1791                 GlobalTextureBrowser().m_searchedTags = false;
1792
1793                 if ( !TextureBrowser_showWads() ) {
1794                         strcat( dirName, "/" );
1795                 }
1796
1797                 ScopeDisableScreenUpdates disableScreenUpdates( dirName, "Loading Textures" );
1798                 TextureBrowser_ShowDirectory( GlobalTextureBrowser(), dirName );
1799                 TextureBrowser_queueDraw( GlobalTextureBrowser() );
1800                 //deactivate, so SPACE and RETURN wont be broken for 2d
1801                 gtk_window_set_focus( GTK_WINDOW( gtk_widget_get_toplevel( GTK_WIDGET( treeview ) ) ), NULL );
1802         }
1803 }
1804
1805 void TextureBrowser_createTreeViewTree(){
1806         TextureBrowser &textureBrowser = GlobalTextureBrowser();
1807         gtk_tree_view_set_enable_search(textureBrowser.m_treeViewTree, FALSE );
1808
1809         gtk_tree_view_set_headers_visible(textureBrowser.m_treeViewTree, FALSE );
1810         textureBrowser.m_treeViewTree.connect( "row-activated", (GCallback) TreeView_onRowActivated, NULL );
1811
1812         auto renderer = ui::CellRendererText(ui::New);
1813         gtk_tree_view_insert_column_with_attributes(textureBrowser.m_treeViewTree, -1, "", renderer, "text", 0, NULL );
1814
1815         TextureBrowser_constructTreeStore();
1816 }
1817
1818 void TextureBrowser_addTag();
1819
1820 void TextureBrowser_renameTag();
1821
1822 void TextureBrowser_deleteTag();
1823
1824 void TextureBrowser_createContextMenu( ui::Widget treeview, GdkEventButton *event ){
1825         ui::Widget menu = ui::Menu(ui::New);
1826
1827         ui::Widget menuitem = ui::MenuItem( "Add tag" );
1828         menuitem.connect( "activate", (GCallback)TextureBrowser_addTag, treeview );
1829         gtk_menu_shell_append( GTK_MENU_SHELL( menu ), menuitem );
1830
1831         menuitem = ui::MenuItem( "Rename tag" );
1832         menuitem.connect( "activate", (GCallback)TextureBrowser_renameTag, treeview );
1833         gtk_menu_shell_append( GTK_MENU_SHELL( menu ), menuitem );
1834
1835         menuitem = ui::MenuItem( "Delete tag" );
1836         menuitem.connect( "activate", (GCallback)TextureBrowser_deleteTag, treeview );
1837         gtk_menu_shell_append( GTK_MENU_SHELL( menu ), menuitem );
1838
1839         gtk_widget_show_all( menu );
1840
1841         gtk_menu_popup( GTK_MENU( menu ), NULL, NULL, NULL, NULL,
1842                                         ( event != NULL ) ? event->button : 0,
1843                                         gdk_event_get_time( (GdkEvent*)event ) );
1844 }
1845
1846 gboolean TreeViewTags_onButtonPressed( ui::TreeView treeview, GdkEventButton *event ){
1847         if ( event->type == GDK_BUTTON_PRESS && event->button == 3 ) {
1848                 GtkTreePath *path;
1849         auto selection = gtk_tree_view_get_selection(treeview );
1850
1851                 if ( gtk_tree_view_get_path_at_pos(treeview, event->x, event->y, &path, NULL, NULL, NULL ) ) {
1852                         gtk_tree_selection_unselect_all( selection );
1853                         gtk_tree_selection_select_path( selection, path );
1854                         gtk_tree_path_free( path );
1855                 }
1856
1857                 TextureBrowser_createContextMenu( treeview, event );
1858                 return TRUE;
1859         }
1860         return FALSE;
1861 }
1862
1863 void TextureBrowser_createTreeViewTags(){
1864         TextureBrowser &textureBrowser = GlobalTextureBrowser();
1865         textureBrowser.m_treeViewTags = ui::TreeView(ui::New);
1866         gtk_tree_view_set_enable_search(textureBrowser.m_treeViewTags, FALSE );
1867
1868         textureBrowser.m_treeViewTags.connect( "button-press-event", (GCallback)TreeViewTags_onButtonPressed, NULL );
1869
1870         gtk_tree_view_set_headers_visible(textureBrowser.m_treeViewTags, FALSE );
1871
1872         auto renderer = ui::CellRendererText(ui::New);
1873         gtk_tree_view_insert_column_with_attributes(textureBrowser.m_treeViewTags, -1, "", renderer, "text", 0, NULL );
1874
1875         TextureBrowser_constructTreeStoreTags();
1876 }
1877
1878 ui::MenuItem TextureBrowser_constructViewMenu( ui::Menu menu ){
1879         TextureBrowser &textureBrowser = GlobalTextureBrowser();
1880         ui::MenuItem textures_menu_item = ui::MenuItem(new_sub_menu_item_with_mnemonic( "_View" ));
1881
1882         if ( g_Layout_enableDetachableMenus.m_value ) {
1883                 menu_tearoff( menu );
1884         }
1885
1886         create_check_menu_item_with_mnemonic( menu, "Hide _Unused", "ShowInUse" );
1887         if ( string_empty( g_pGameDescription->getKeyValue( "show_wads" ) ) ) {
1888                 create_check_menu_item_with_mnemonic( menu, "Hide Image Missing", "FilterMissing" );
1889         }
1890
1891         // hide notex and shadernotex on texture browser: no one wants to apply them
1892         create_check_menu_item_with_mnemonic( menu, "Hide Fallback", "FilterFallback" );
1893
1894         menu_separator( menu );
1895
1896
1897         // we always want to show shaders but don't want a "Show Shaders" menu for doom3 and .wad file games
1898         if ( g_pGameDescription->mGameType == "doom3" || TextureBrowser_showWads() ) {
1899                 textureBrowser.m_showShaders = true;
1900         }
1901         else
1902         {
1903                 create_check_menu_item_with_mnemonic( menu, "Show shaders", "ToggleShowShaders" );
1904                 create_check_menu_item_with_mnemonic( menu, "Show textures", "ToggleShowTextures" );
1905                 menu_separator( menu );
1906         }
1907
1908         if ( textureBrowser.m_tags ) {
1909                 create_menu_item_with_mnemonic( menu, "Show Untagged", "ShowUntagged" );
1910         }
1911         if ( g_pGameDescription->mGameType != "doom3" && string_empty( g_pGameDescription->getKeyValue( "show_wads" ) ) ) {
1912                 create_check_menu_item_with_mnemonic( menu, "ShaderList Only", "ToggleShowShaderlistOnly" );
1913         }
1914
1915         menu_separator( menu );
1916         create_check_menu_item_with_mnemonic( menu, "Fixed Size", "FixedSize" );
1917         create_check_menu_item_with_mnemonic( menu, "Transparency", "EnableAlpha" );
1918
1919         if ( string_empty( g_pGameDescription->getKeyValue( "show_wads" ) ) ) {
1920                 menu_separator( menu );
1921                 textureBrowser.m_shader_info_item = ui::Widget(create_menu_item_with_mnemonic( menu, "Shader Info", "ShaderInfo"  ));
1922                 gtk_widget_set_sensitive( textureBrowser.m_shader_info_item, FALSE );
1923         }
1924
1925
1926         return textures_menu_item;
1927 }
1928
1929 void Popup_View_Menu( GtkWidget *widget, GtkMenu *menu ){
1930         gtk_menu_popup( menu, NULL, NULL, NULL, NULL, 1, gtk_get_current_event_time() );
1931 }
1932
1933 ui::MenuItem TextureBrowser_constructToolsMenu( ui::Menu menu ){
1934         ui::MenuItem textures_menu_item = ui::MenuItem(new_sub_menu_item_with_mnemonic( "_Tools" ));
1935
1936         if ( g_Layout_enableDetachableMenus.m_value ) {
1937                 menu_tearoff( menu );
1938         }
1939
1940         create_menu_item_with_mnemonic( menu, "Flush & Reload Shaders", "RefreshShaders" );
1941         create_menu_item_with_mnemonic( menu, "Find / Replace...", "FindReplaceTextures" );
1942
1943         return textures_menu_item;
1944 }
1945
1946 ui::MenuItem TextureBrowser_constructTagsMenu( ui::Menu menu ){
1947         ui::MenuItem textures_menu_item = ui::MenuItem(new_sub_menu_item_with_mnemonic( "T_ags" ));
1948
1949         if ( g_Layout_enableDetachableMenus.m_value ) {
1950                 menu_tearoff( menu );
1951         }
1952
1953         create_menu_item_with_mnemonic( menu, "Add tag", "AddTag" );
1954         create_menu_item_with_mnemonic( menu, "Rename tag", "RenameTag" );
1955         create_menu_item_with_mnemonic( menu, "Delete tag", "DeleteTag" );
1956         menu_separator( menu );
1957         create_menu_item_with_mnemonic( menu, "Copy tags from selected", "CopyTag" );
1958         create_menu_item_with_mnemonic( menu, "Paste tags to selected", "PasteTag" );
1959
1960         return textures_menu_item;
1961 }
1962
1963 gboolean TextureBrowser_tagMoveHelper( ui::TreeModel model, ui::TreePath path, GtkTreeIter* iter, GSList** selected ){
1964         g_assert( selected != NULL );
1965
1966     auto rowref = gtk_tree_row_reference_new( model, path );
1967         *selected = g_slist_append( *selected, rowref );
1968
1969         return FALSE;
1970 }
1971
1972 void TextureBrowser_assignTags(){
1973         GSList* selected = NULL;
1974         GSList* node;
1975         gchar* tag_assigned;
1976         TextureBrowser &textureBrowser = GlobalTextureBrowser();
1977
1978         auto selection = gtk_tree_view_get_selection(textureBrowser.m_available_tree );
1979
1980         gtk_tree_selection_selected_foreach( selection, (GtkTreeSelectionForeachFunc)TextureBrowser_tagMoveHelper, &selected );
1981
1982         if ( selected != NULL ) {
1983                 for ( node = selected; node != NULL; node = node->next )
1984                 {
1985             auto path = gtk_tree_row_reference_get_path( (GtkTreeRowReference*)node->data );
1986
1987                         if ( path ) {
1988                                 GtkTreeIter iter;
1989
1990                                 if ( gtk_tree_model_get_iter(textureBrowser.m_available_store, &iter, path ) ) {
1991                                         gtk_tree_model_get(textureBrowser.m_available_store, &iter, TAG_COLUMN, &tag_assigned, -1 );
1992                                         if ( !TagBuilder.CheckShaderTag( textureBrowser.shader.c_str() ) ) {
1993                                                 // create a custom shader/texture entry
1994                                                 IShader* ishader = QERApp_Shader_ForName( textureBrowser.shader.c_str() );
1995                                                 CopiedString filename = ishader->getShaderFileName();
1996
1997                                                 if ( filename.empty() ) {
1998                                                         // it's a texture
1999                                                         TagBuilder.AddShaderNode( textureBrowser.shader.c_str(), CUSTOM, TEXTURE );
2000                                                 }
2001                                                 else {
2002                                                         // it's a shader
2003                                                         TagBuilder.AddShaderNode( textureBrowser.shader.c_str(), CUSTOM, SHADER );
2004                                                 }
2005                                                 ishader->DecRef();
2006                                         }
2007                                         TagBuilder.AddShaderTag( textureBrowser.shader.c_str(), (char*)tag_assigned, TAG );
2008
2009                                         gtk_list_store_remove( textureBrowser.m_available_store, &iter );
2010                                         textureBrowser.m_assigned_store.append(TAG_COLUMN, tag_assigned);
2011                                 }
2012                         }
2013                 }
2014
2015                 g_slist_foreach( selected, (GFunc)gtk_tree_row_reference_free, NULL );
2016
2017                 // Save changes
2018                 TagBuilder.SaveXmlDoc();
2019         }
2020         g_slist_free( selected );
2021 }
2022
2023 void TextureBrowser_removeTags(){
2024         GSList* selected = NULL;
2025         GSList* node;
2026         gchar* tag;
2027         TextureBrowser &textureBrowser = GlobalTextureBrowser();
2028
2029         auto selection = gtk_tree_view_get_selection(textureBrowser.m_assigned_tree );
2030
2031         gtk_tree_selection_selected_foreach( selection, (GtkTreeSelectionForeachFunc)TextureBrowser_tagMoveHelper, &selected );
2032
2033         if ( selected != NULL ) {
2034                 for ( node = selected; node != NULL; node = node->next )
2035                 {
2036             auto path = gtk_tree_row_reference_get_path( (GtkTreeRowReference*)node->data );
2037
2038                         if ( path ) {
2039                                 GtkTreeIter iter;
2040
2041                                 if ( gtk_tree_model_get_iter(textureBrowser.m_assigned_store, &iter, path ) ) {
2042                                         gtk_tree_model_get(textureBrowser.m_assigned_store, &iter, TAG_COLUMN, &tag, -1 );
2043                                         TagBuilder.DeleteShaderTag( textureBrowser.shader.c_str(), tag );
2044                                         gtk_list_store_remove( textureBrowser.m_assigned_store, &iter );
2045                                 }
2046                         }
2047                 }
2048
2049                 g_slist_foreach( selected, (GFunc)gtk_tree_row_reference_free, NULL );
2050
2051                 // Update the "available tags list"
2052                 BuildStoreAvailableTags( textureBrowser.m_available_store, textureBrowser.m_assigned_store, textureBrowser.m_all_tags, &textureBrowser );
2053
2054                 // Save changes
2055                 TagBuilder.SaveXmlDoc();
2056         }
2057         g_slist_free( selected );
2058 }
2059
2060 void TextureBrowser_buildTagList(){
2061         TextureBrowser &textureBrowser = GlobalTextureBrowser();
2062         textureBrowser.m_all_tags_list.clear();
2063
2064         std::set<CopiedString>::iterator iter;
2065
2066         for ( iter = textureBrowser.m_all_tags.begin(); iter != textureBrowser.m_all_tags.end(); ++iter )
2067         {
2068                 textureBrowser.m_all_tags_list.append(TAG_COLUMN, (*iter).c_str());
2069         }
2070 }
2071
2072 void TextureBrowser_searchTags(){
2073         GSList* selected = NULL;
2074         GSList* node;
2075         gchar* tag;
2076         char buffer[256];
2077         char tags_searched[256];
2078         TextureBrowser &textureBrowser = GlobalTextureBrowser();
2079
2080         auto selection = gtk_tree_view_get_selection(textureBrowser.m_treeViewTags );
2081
2082         gtk_tree_selection_selected_foreach( selection, (GtkTreeSelectionForeachFunc)TextureBrowser_tagMoveHelper, &selected );
2083
2084         if ( selected != NULL ) {
2085                 strcpy( buffer, "/root/*/*[tag='" );
2086                 strcpy( tags_searched, "[TAGS] " );
2087
2088                 for ( node = selected; node != NULL; node = node->next )
2089                 {
2090             auto path = gtk_tree_row_reference_get_path( (GtkTreeRowReference*)node->data );
2091
2092                         if ( path ) {
2093                                 GtkTreeIter iter;
2094
2095                                 if ( gtk_tree_model_get_iter(textureBrowser.m_all_tags_list, &iter, path ) ) {
2096                                         gtk_tree_model_get(textureBrowser.m_all_tags_list, &iter, TAG_COLUMN, &tag, -1 );
2097
2098                                         strcat( buffer, tag );
2099                                         strcat( tags_searched, tag );
2100                                         if ( node != g_slist_last( node ) ) {
2101                                                 strcat( buffer, "' and tag='" );
2102                                                 strcat( tags_searched, ", " );
2103                                         }
2104                                 }
2105                         }
2106                 }
2107
2108                 strcat( buffer, "']" );
2109
2110                 g_slist_foreach( selected, (GFunc)gtk_tree_row_reference_free, NULL );
2111
2112                 textureBrowser.m_found_shaders.clear(); // delete old list
2113                 TagBuilder.TagSearch( buffer, textureBrowser.m_found_shaders );
2114
2115                 if ( !textureBrowser.m_found_shaders.empty() ) { // found something
2116                         size_t shaders_found = textureBrowser.m_found_shaders.size();
2117
2118                         globalOutputStream() << "Found " << (unsigned int)shaders_found << " textures and shaders with " << tags_searched << "\n";
2119                         ScopeDisableScreenUpdates disableScreenUpdates( "Searching...", "Loading Textures" );
2120
2121                         std::set<CopiedString>::iterator iter;
2122
2123                         for ( iter = textureBrowser.m_found_shaders.begin(); iter != textureBrowser.m_found_shaders.end(); iter++ )
2124                         {
2125                                 std::string path = ( *iter ).c_str();
2126                                 size_t pos = path.find_last_of( "/", path.size() );
2127                                 std::string name = path.substr( pos + 1, path.size() );
2128                                 path = path.substr( 0, pos + 1 );
2129                                 TextureDirectory_loadTexture( path.c_str(), name.c_str() );
2130                         }
2131                 }
2132                 textureBrowser.m_searchedTags = true;
2133                 g_TextureBrowser_currentDirectory = tags_searched;
2134
2135                 textureBrowser.m_nTotalHeight = 0;
2136                 TextureBrowser_setOriginY( textureBrowser, 0 );
2137                 TextureBrowser_heightChanged( textureBrowser );
2138                 TextureBrowser_updateTitle();
2139         }
2140         g_slist_free( selected );
2141 }
2142
2143 void TextureBrowser_toggleSearchButton(){
2144         TextureBrowser &textureBrowser = GlobalTextureBrowser();
2145         gint page = gtk_notebook_get_current_page( GTK_NOTEBOOK( textureBrowser.m_tag_notebook ) );
2146
2147         if ( page == 0 ) { // tag page
2148                 gtk_widget_show_all( textureBrowser.m_search_button );
2149         }
2150         else {
2151                 textureBrowser.m_search_button.hide();
2152         }
2153 }
2154
2155 void TextureBrowser_constructTagNotebook(){
2156         TextureBrowser &textureBrowser = GlobalTextureBrowser();
2157         textureBrowser.m_tag_notebook = ui::Widget::from(gtk_notebook_new());
2158         ui::Widget labelTags = ui::Label( "Tags" );
2159         ui::Widget labelTextures = ui::Label( "Textures" );
2160
2161         gtk_notebook_append_page( GTK_NOTEBOOK( textureBrowser.m_tag_notebook ), textureBrowser.m_scr_win_tree, labelTextures );
2162         gtk_notebook_append_page( GTK_NOTEBOOK( textureBrowser.m_tag_notebook ), textureBrowser.m_scr_win_tags, labelTags );
2163
2164         textureBrowser.m_tag_notebook.connect( "switch-page", G_CALLBACK( TextureBrowser_toggleSearchButton ), NULL );
2165
2166         gtk_widget_show_all( textureBrowser.m_tag_notebook );
2167 }
2168
2169 void TextureBrowser_constructSearchButton(){
2170         auto image = ui::Widget::from(gtk_image_new_from_stock( GTK_STOCK_FIND, GTK_ICON_SIZE_SMALL_TOOLBAR ));
2171         TextureBrowser &textureBrowser = GlobalTextureBrowser();
2172         textureBrowser.m_search_button = ui::Button(ui::New);
2173         textureBrowser.m_search_button.connect( "clicked", G_CALLBACK( TextureBrowser_searchTags ), NULL );
2174         gtk_widget_set_tooltip_text(textureBrowser.m_search_button, "Search with selected tags");
2175         textureBrowser.m_search_button.add(image);
2176 }
2177
2178 void TextureBrowser_checkTagFile(){
2179         const char SHADERTAG_FILE[] = "shadertags.xml";
2180         CopiedString default_filename, rc_filename;
2181         StringOutputStream stream( 256 );
2182         TextureBrowser &textureBrowser = GlobalTextureBrowser();
2183
2184         stream << LocalRcPath_get();
2185         stream << SHADERTAG_FILE;
2186         rc_filename = stream.c_str();
2187
2188         if ( file_exists( rc_filename.c_str() ) ) {
2189                 textureBrowser.m_tags = TagBuilder.OpenXmlDoc( rc_filename.c_str() );
2190
2191                 if ( textureBrowser.m_tags ) {
2192                         globalOutputStream() << "Loading tag file " << rc_filename.c_str() << ".\n";
2193                 }
2194         }
2195         else
2196         {
2197                 // load default tagfile
2198                 stream.clear();
2199                 stream << g_pGameDescription->mGameToolsPath.c_str();
2200                 stream << SHADERTAG_FILE;
2201                 default_filename = stream.c_str();
2202
2203                 if ( file_exists( default_filename.c_str() ) ) {
2204                         textureBrowser.m_tags = TagBuilder.OpenXmlDoc( default_filename.c_str(), rc_filename.c_str() );
2205
2206                         if ( textureBrowser.m_tags ) {
2207                                 globalOutputStream() << "Loading default tag file " << default_filename.c_str() << ".\n";
2208                         }
2209                 }
2210                 else
2211                 {
2212                         globalOutputStream() << "Unable to find default tag file " << default_filename.c_str() << ". No tag support. Plugins -> ShaderPlug -> Create tag file: to start using tags\n";
2213                 }
2214         }
2215 }
2216
2217 void TextureBrowser_SetNotex(){
2218         IShader* notex = QERApp_Shader_ForName( DEFAULT_NOTEX_NAME );
2219         IShader* shadernotex = QERApp_Shader_ForName( DEFAULT_SHADERNOTEX_NAME );
2220
2221         g_notex = notex->getTexture()->name;
2222
2223         g_shadernotex = shadernotex->getTexture()->name;
2224
2225         notex->DecRef();
2226         shadernotex->DecRef();
2227 }
2228
2229 static bool isGLWidgetConstructed = false;
2230 static bool isWindowConstructed = false;
2231
2232 void TextureBrowser_constructGLWidget(){
2233         TextureBrowser &textureBrowser = GlobalTextureBrowser();
2234         textureBrowser.m_gl_widget = glwidget_new( FALSE );
2235         g_object_ref( textureBrowser.m_gl_widget._handle );
2236
2237         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 );
2238         gtk_widget_set_can_focus( textureBrowser.m_gl_widget, true );
2239
2240         textureBrowser.m_sizeHandler = textureBrowser.m_gl_widget.connect( "size_allocate", G_CALLBACK( TextureBrowser_size_allocate ), &textureBrowser );
2241         textureBrowser.m_exposeHandler = textureBrowser.m_gl_widget.on_render( G_CALLBACK( TextureBrowser_expose ), &textureBrowser );
2242
2243         textureBrowser.m_gl_widget.connect( "button_press_event", G_CALLBACK( TextureBrowser_button_press ), &textureBrowser );
2244         textureBrowser.m_gl_widget.connect( "button_release_event", G_CALLBACK( TextureBrowser_button_release ), &textureBrowser );
2245         textureBrowser.m_gl_widget.connect( "motion_notify_event", G_CALLBACK( TextureBrowser_motion ), &textureBrowser );
2246         textureBrowser.m_gl_widget.connect( "scroll_event", G_CALLBACK( TextureBrowser_scroll ), &textureBrowser );
2247
2248 #ifdef WORKAROUND_MACOS_GTK2_GLWIDGET
2249         textureBrowser.m_hframe.pack_start( textureBrowser.m_gl_widget, TRUE, TRUE, 0 );
2250 #else // !WORKAROUND_MACOS_GTK2_GLWIDGET
2251         textureBrowser.m_frame.pack_start( textureBrowser.m_gl_widget, TRUE, TRUE, 0 );
2252 #endif // !WORKAROUND_MACOS_GTK2_GLWIDGET
2253
2254         textureBrowser.m_gl_widget.show();
2255
2256         isGLWidgetConstructed = true;
2257 }
2258
2259 ui::Widget TextureBrowser_constructWindow( ui::Window toplevel ){
2260         // The gl_widget and the tag assignment frame should be packed into a GtkVPaned with the slider
2261         // position stored in local.pref. gtk_paned_get_position() and gtk_paned_set_position() don't
2262         // seem to work in gtk 2.4 and the arrow buttons don't handle GTK_FILL, so here's another thing
2263         // for the "once-the-gtk-libs-are-updated-TODO-list" :x
2264         TextureBrowser &textureBrowser = GlobalTextureBrowser();
2265
2266         TextureBrowser_checkTagFile();
2267         TextureBrowser_SetNotex();
2268
2269         GlobalShaderSystem().setActiveShadersChangedNotify( ReferenceCaller<TextureBrowser, void(), TextureBrowser_activeShadersChanged>( textureBrowser ) );
2270
2271         textureBrowser.m_parent = toplevel;
2272
2273         auto table = ui::Table(3, 3, FALSE);
2274         auto vbox = ui::VBox(FALSE, 0);
2275         table.attach(vbox, {0, 1, 1, 3}, {GTK_FILL, GTK_FILL});
2276         vbox.show();
2277
2278         // ui::Widget menu_bar{ui::null};
2279         auto toolbar = ui::Toolbar::from( gtk_toolbar_new() );
2280
2281         { // menu bar
2282                 // menu_bar = ui::Widget::from(gtk_menu_bar_new());
2283                 auto menu_view = ui::Menu(ui::New);
2284                 // auto view_item = TextureBrowser_constructViewMenu( menu_view );
2285                 TextureBrowser_constructViewMenu( menu_view );
2286                 gtk_menu_set_title( menu_view, "View" );
2287                 // gtk_menu_item_set_submenu( GTK_MENU_ITEM( view_item ), menu_view );
2288                 // gtk_menu_shell_append( GTK_MENU_SHELL( menu_bar ), view_item );
2289
2290                 //gtk_table_attach( GTK_TABLE( table ), GTK_WIDGET( toolbar ), 0, 1, 0, 1, GTK_FILL, GTK_FILL, 0, 0 );
2291                 gtk_box_pack_start( GTK_BOX( vbox ), GTK_WIDGET( toolbar ), FALSE, FALSE, 0 );
2292
2293                 //view menu button
2294                 {
2295                         auto button = toolbar_append_button( toolbar, "View", "texbro_view.png" );
2296                         button.dimensions( 22, 22 );
2297                         button.connect( "clicked", G_CALLBACK( Popup_View_Menu ), menu_view );
2298
2299                         //to show detached menu over floating tex bro
2300                         gtk_menu_attach_to_widget( GTK_MENU( menu_view ), GTK_WIDGET( button ), NULL );
2301                 }
2302                 {
2303                         auto button = toolbar_append_button( toolbar, "Find / Replace...", "texbro_gtk-find-and-replace.png", "FindReplaceTextures" );
2304                         button.dimensions( 22, 22 );
2305                 }
2306                 {
2307                         auto button = toolbar_append_button( toolbar, "Flush & Reload Shaders", "texbro_refresh.png", "RefreshShaders" );
2308                         button.dimensions( 22, 22 );
2309                 }
2310                 toolbar.show();
2311
2312 /*
2313                 auto menu_tools = ui::Menu(ui::New);
2314                 auto tools_item = TextureBrowser_constructToolsMenu( menu_tools );
2315                 gtk_menu_item_set_submenu( GTK_MENU_ITEM( tools_item ), menu_tools );
2316                 gtk_menu_shell_append( GTK_MENU_SHELL( menu_bar ), tools_item );
2317 */
2318                 // table.attach(menu_bar, {0, 3, 0, 1}, {GTK_FILL, GTK_SHRINK});
2319                 // menu_bar.show();
2320         }
2321         { // Texture TreeView
2322                 textureBrowser.m_scr_win_tree = ui::ScrolledWindow(ui::New);
2323                 gtk_container_set_border_width( GTK_CONTAINER( textureBrowser.m_scr_win_tree ), 0 );
2324
2325                 // vertical only scrolling for treeview
2326                 gtk_scrolled_window_set_policy( GTK_SCROLLED_WINDOW( textureBrowser.m_scr_win_tree ), GTK_POLICY_NEVER, GTK_POLICY_ALWAYS );
2327
2328                 textureBrowser.m_scr_win_tree.show();
2329
2330                 TextureBrowser_createTreeViewTree();
2331
2332                 gtk_scrolled_window_add_with_viewport( GTK_SCROLLED_WINDOW( textureBrowser.m_scr_win_tree ), textureBrowser.m_treeViewTree  );
2333                 textureBrowser.m_treeViewTree.show();
2334         }
2335         { // gl_widget scrollbar
2336                 auto w = ui::Widget::from(gtk_vscrollbar_new( ui::Adjustment( 0,0,0,1,1,0 ) ));
2337                 table.attach(w, {2, 3, 1, 2}, {GTK_SHRINK, GTK_FILL});
2338                 w.show();
2339                 textureBrowser.m_texture_scroll = w;
2340
2341                 auto vadjustment = ui::Adjustment::from(gtk_range_get_adjustment( GTK_RANGE( textureBrowser.m_texture_scroll ) ));
2342                 vadjustment.connect( "value_changed", G_CALLBACK( TextureBrowser_verticalScroll ), &textureBrowser );
2343
2344                 textureBrowser.m_texture_scroll.visible(textureBrowser.m_showTextureScrollbar);
2345         }
2346         { // gl_widget
2347 #ifdef WORKAROUND_MACOS_GTK2_GLWIDGET
2348                 textureBrowser.m_vframe = ui::VBox( FALSE, 0 );
2349                 table.attach(textureBrowser.m_vframe, {1, 2, 1, 2});
2350
2351                 textureBrowser.m_vfiller = ui::VBox( FALSE, 0 );
2352                 textureBrowser.m_vframe.pack_start( textureBrowser.m_vfiller, FALSE, FALSE, 0 );
2353
2354                 textureBrowser.m_hframe = ui::HBox( FALSE, 0 );
2355                 textureBrowser.m_vframe.pack_start( textureBrowser.m_hframe, TRUE, TRUE, 0 );
2356
2357                 textureBrowser.m_hfiller = ui::HBox( FALSE, 0 );
2358                 textureBrowser.m_hframe.pack_start( textureBrowser.m_hfiller, FALSE, FALSE, 0 );
2359
2360                 textureBrowser.m_vframe.show();
2361                 textureBrowser.m_vfiller.show();
2362                 textureBrowser.m_hframe.show(),
2363                 textureBrowser.m_hfiller.show();
2364 #else // !WORKAROUND_MACOS_GTK2_GLWIDGET
2365                 textureBrowser.m_frame = ui::VBox( FALSE, 0 );
2366                 table.attach(textureBrowser.m_frame, {1, 2, 1, 2});
2367                 textureBrowser.m_frame.show();
2368 #endif // !WORKAROUND_MACOS_GTK2_GLWIDGET
2369
2370                 TextureBrowser_constructGLWidget();
2371         }
2372
2373         // tag stuff
2374         if ( textureBrowser.m_tags ) {
2375                 { // fill tag GtkListStore
2376                         textureBrowser.m_all_tags_list = ui::ListStore::from(gtk_list_store_new( N_COLUMNS, G_TYPE_STRING ));
2377             auto sortable = GTK_TREE_SORTABLE( textureBrowser.m_all_tags_list );
2378                         gtk_tree_sortable_set_sort_column_id( sortable, TAG_COLUMN, GTK_SORT_ASCENDING );
2379
2380                         TagBuilder.GetAllTags( textureBrowser.m_all_tags );
2381                         TextureBrowser_buildTagList();
2382                 }
2383                 { // tag menu bar
2384                         auto menu_tags = ui::Menu(ui::New);
2385                         // auto tags_item = TextureBrowser_constructTagsMenu( menu_tags );
2386                         TextureBrowser_constructTagsMenu( menu_tags );
2387                         // gtk_menu_item_set_submenu( GTK_MENU_ITEM( tags_item ), menu_tags );
2388                         // gtk_menu_shell_append( GTK_MENU_SHELL( menu_bar ), tags_item );
2389
2390                         auto button = toolbar_append_button( toolbar, "Tags", "texbro_tags.png" );
2391                         button.dimensions( 22, 22 );
2392                         button.connect( "clicked", G_CALLBACK( Popup_View_Menu ), menu_tags );
2393                 }
2394                 { // Tag TreeView
2395                         textureBrowser.m_scr_win_tags = ui::ScrolledWindow(ui::New);
2396                         gtk_container_set_border_width( GTK_CONTAINER( textureBrowser.m_scr_win_tags ), 0 );
2397
2398                         // vertical only scrolling for treeview
2399                         gtk_scrolled_window_set_policy( GTK_SCROLLED_WINDOW( textureBrowser.m_scr_win_tags ), GTK_POLICY_NEVER, GTK_POLICY_ALWAYS );
2400
2401                         TextureBrowser_createTreeViewTags();
2402
2403             auto selection = gtk_tree_view_get_selection(textureBrowser.m_treeViewTags );
2404                         gtk_tree_selection_set_mode( selection, GTK_SELECTION_MULTIPLE );
2405
2406                         gtk_scrolled_window_add_with_viewport( GTK_SCROLLED_WINDOW( textureBrowser.m_scr_win_tags ), textureBrowser.m_treeViewTags  );
2407                         textureBrowser.m_treeViewTags.show();
2408                 }
2409                 { // Texture/Tag notebook
2410                         TextureBrowser_constructTagNotebook();
2411                         vbox.pack_start( textureBrowser.m_tag_notebook, TRUE, TRUE, 0 );
2412                 }
2413                 { // Tag search button
2414                         TextureBrowser_constructSearchButton();
2415                         vbox.pack_end(textureBrowser.m_search_button, FALSE, FALSE, 0);
2416                 }
2417                 auto frame_table = ui::Table(3, 3, FALSE);
2418                 { // Tag frame
2419
2420                         textureBrowser.m_tag_frame = ui::Frame( "Tag assignment" );
2421                         gtk_frame_set_label_align( GTK_FRAME( textureBrowser.m_tag_frame ), 0.5, 0.5 );
2422                         gtk_frame_set_shadow_type( GTK_FRAME( textureBrowser.m_tag_frame ), GTK_SHADOW_NONE );
2423
2424                         table.attach(textureBrowser.m_tag_frame, {1, 3, 2, 3}, {GTK_FILL, GTK_SHRINK});
2425
2426                         frame_table.show();
2427
2428                         textureBrowser.m_tag_frame.add(frame_table);
2429                 }
2430                 { // assigned tag list
2431                         ui::Widget scrolled_win = ui::ScrolledWindow(ui::New);
2432                         gtk_container_set_border_width( GTK_CONTAINER( scrolled_win ), 0 );
2433                         gtk_scrolled_window_set_policy( GTK_SCROLLED_WINDOW( scrolled_win ), GTK_POLICY_NEVER, GTK_POLICY_ALWAYS );
2434
2435                         textureBrowser.m_assigned_store = ui::ListStore::from(gtk_list_store_new( N_COLUMNS, G_TYPE_STRING ));
2436
2437             auto sortable = GTK_TREE_SORTABLE( textureBrowser.m_assigned_store );
2438                         gtk_tree_sortable_set_sort_column_id( sortable, TAG_COLUMN, GTK_SORT_ASCENDING );
2439
2440                         auto renderer = ui::CellRendererText(ui::New);
2441
2442                         textureBrowser.m_assigned_tree = ui::TreeView(ui::TreeModel::from(textureBrowser.m_assigned_store._handle));
2443                         textureBrowser.m_assigned_store.unref();
2444                         textureBrowser.m_assigned_tree.connect( "row-activated", (GCallback) TextureBrowser_removeTags, NULL );
2445                         gtk_tree_view_set_headers_visible(textureBrowser.m_assigned_tree, FALSE );
2446
2447             auto selection = gtk_tree_view_get_selection(textureBrowser.m_assigned_tree );
2448                         gtk_tree_selection_set_mode( selection, GTK_SELECTION_MULTIPLE );
2449
2450             auto column = ui::TreeViewColumn( "", renderer, {{"text", TAG_COLUMN}} );
2451                         gtk_tree_view_append_column(textureBrowser.m_assigned_tree, column );
2452                         textureBrowser.m_assigned_tree.show();
2453
2454                         scrolled_win.show();
2455                         gtk_scrolled_window_add_with_viewport( GTK_SCROLLED_WINDOW( scrolled_win ), textureBrowser.m_assigned_tree  );
2456
2457                         frame_table.attach(scrolled_win, {0, 1, 1, 3}, {GTK_FILL, GTK_FILL});
2458                 }
2459                 { // available tag list
2460                         ui::Widget scrolled_win = ui::ScrolledWindow(ui::New);
2461                         gtk_container_set_border_width( GTK_CONTAINER( scrolled_win ), 0 );
2462                         gtk_scrolled_window_set_policy( GTK_SCROLLED_WINDOW( scrolled_win ), GTK_POLICY_NEVER, GTK_POLICY_ALWAYS );
2463
2464                         textureBrowser.m_available_store = ui::ListStore::from(gtk_list_store_new( N_COLUMNS, G_TYPE_STRING ));
2465             auto sortable = GTK_TREE_SORTABLE( textureBrowser.m_available_store );
2466                         gtk_tree_sortable_set_sort_column_id( sortable, TAG_COLUMN, GTK_SORT_ASCENDING );
2467
2468                         auto renderer = ui::CellRendererText(ui::New);
2469
2470                         textureBrowser.m_available_tree = ui::TreeView(ui::TreeModel::from(textureBrowser.m_available_store._handle));
2471                         textureBrowser.m_available_store.unref();
2472                         textureBrowser.m_available_tree.connect( "row-activated", (GCallback) TextureBrowser_assignTags, NULL );
2473                         gtk_tree_view_set_headers_visible(textureBrowser.m_available_tree, FALSE );
2474
2475             auto selection = gtk_tree_view_get_selection(textureBrowser.m_available_tree );
2476                         gtk_tree_selection_set_mode( selection, GTK_SELECTION_MULTIPLE );
2477
2478             auto column = ui::TreeViewColumn( "", renderer, {{"text", TAG_COLUMN}} );
2479                         gtk_tree_view_append_column(textureBrowser.m_available_tree, column );
2480                         textureBrowser.m_available_tree.show();
2481
2482                         scrolled_win.show();
2483                         gtk_scrolled_window_add_with_viewport( GTK_SCROLLED_WINDOW( scrolled_win ), textureBrowser.m_available_tree  );
2484
2485                         frame_table.attach(scrolled_win, {2, 3, 1, 3}, {GTK_FILL, GTK_FILL});
2486                 }
2487                 { // tag arrow buttons
2488                         auto m_btn_left = ui::Button(ui::New);
2489                         auto m_btn_right = ui::Button(ui::New);
2490                         auto m_arrow_left = ui::Widget::from(gtk_arrow_new( GTK_ARROW_LEFT, GTK_SHADOW_OUT ));
2491                         auto m_arrow_right = ui::Widget::from(gtk_arrow_new( GTK_ARROW_RIGHT, GTK_SHADOW_OUT ));
2492                         m_btn_left.add(m_arrow_left);
2493                         m_btn_right.add(m_arrow_right);
2494
2495                         // workaround. the size of the tag frame depends of the requested size of the arrow buttons.
2496                         m_arrow_left.dimensions(-1, 68);
2497                         m_arrow_right.dimensions(-1, 68);
2498
2499                         frame_table.attach(m_btn_left, {1, 2, 1, 2}, {GTK_SHRINK, GTK_EXPAND});
2500                         frame_table.attach(m_btn_right, {1, 2, 2, 3}, {GTK_SHRINK, GTK_EXPAND});
2501
2502                         m_btn_left.connect( "clicked", G_CALLBACK( TextureBrowser_assignTags ), NULL );
2503                         m_btn_right.connect( "clicked", G_CALLBACK( TextureBrowser_removeTags ), NULL );
2504
2505                         m_btn_left.show();
2506                         m_btn_right.show();
2507                         m_arrow_left.show();
2508                         m_arrow_right.show();
2509                 }
2510                 { // tag fram labels
2511                         ui::Widget m_lbl_assigned = ui::Label( "Assigned" );
2512                         ui::Widget m_lbl_unassigned = ui::Label( "Available" );
2513
2514                         frame_table.attach(m_lbl_assigned, {0, 1, 0, 1}, {GTK_EXPAND, GTK_SHRINK});
2515                         frame_table.attach(m_lbl_unassigned, {2, 3, 0, 1}, {GTK_EXPAND, GTK_SHRINK});
2516
2517                         m_lbl_assigned.show();
2518                         m_lbl_unassigned.show();
2519                 }
2520         }
2521         else { // no tag support, show the texture tree only
2522                 vbox.pack_start( textureBrowser.m_scr_win_tree, TRUE, TRUE, 0 );
2523         }
2524
2525         // TODO do we need this?
2526         //gtk_container_set_focus_chain(GTK_CONTAINER(hbox_table), NULL);
2527
2528         isWindowConstructed = true;
2529
2530         return table;
2531 }
2532
2533 void TextureBrowser_destroyGLWidget(){
2534         TextureBrowser &textureBrowser = GlobalTextureBrowser();
2535         if ( isGLWidgetConstructed )
2536         {
2537                 g_signal_handler_disconnect( G_OBJECT( textureBrowser.m_gl_widget ), textureBrowser.m_sizeHandler );
2538                 g_signal_handler_disconnect( G_OBJECT( textureBrowser.m_gl_widget ), textureBrowser.m_exposeHandler );
2539
2540 #ifdef WORKAROUND_MACOS_GTK2_GLWIDGET
2541                 textureBrowser.m_hframe.remove( textureBrowser.m_gl_widget );
2542 #else // !WORKAROUND_MACOS_GTK2_GLWIDGET
2543                 textureBrowser.m_frame.remove( textureBrowser.m_gl_widget );
2544 #endif // !WORKAROUND_MACOS_GTK2_GLWIDGET
2545
2546                 textureBrowser.m_gl_widget.unref();
2547
2548                 isGLWidgetConstructed = false;
2549         }
2550 }
2551
2552 void TextureBrowser_destroyWindow(){
2553         GlobalShaderSystem().setActiveShadersChangedNotify( Callback<void()>() );
2554
2555         TextureBrowser_destroyGLWidget();
2556 }
2557
2558 #ifdef WORKAROUND_MACOS_GTK2_GLWIDGET
2559 /* workaround for gtkglext on gtk 2 issue: OpenGL texture viewport being drawn over the other pages */
2560 /* this is very ugly: force the resizing of the viewport to a single bottom line by forcing the
2561  * resizing of the gl widget by expanding some empty boxes, so the widget area size is reduced
2562  * while covered by another page, so the texture viewport is still rendered over the other page
2563  * but does not annoy the user that much because it's just a line on the bottom that may even
2564  * be printed over existing bottom frame or very close to it. */
2565 void TextureBrowser_showGLWidget(){
2566         TextureBrowser &textureBrowser = GlobalTextureBrowser();
2567         if ( isWindowConstructed && isGLWidgetConstructed )
2568         {
2569                 textureBrowser.m_vframe.set_child_packing( textureBrowser.m_vfiller, FALSE, FALSE, 0, ui::Packing::START );
2570                 textureBrowser.m_vframe.set_child_packing( textureBrowser.m_hframe, TRUE, TRUE, 0, ui::Packing::START );
2571                 textureBrowser.m_vframe.set_child_packing( textureBrowser.m_hfiller, FALSE, FALSE, 0, ui::Packing::START );
2572                 textureBrowser.m_vframe.set_child_packing( textureBrowser.m_gl_widget, TRUE, TRUE, 0, ui::Packing::START );
2573
2574                 textureBrowser.m_gl_widget.show();
2575 }
2576 }
2577
2578 void TextureBrowser_hideGLWidget(){
2579         TextureBrowser &textureBrowser = GlobalTextureBrowser();
2580         if ( isWindowConstructed && isGLWidgetConstructed )
2581         {
2582                 textureBrowser.m_vframe.set_child_packing( textureBrowser.m_vfiller, TRUE, TRUE, 0, ui::Packing::START);
2583                 textureBrowser.m_vframe.set_child_packing( textureBrowser.m_hframe, FALSE, FALSE, 0, ui::Packing::END );
2584                 textureBrowser.m_vframe.set_child_packing( textureBrowser.m_hfiller, TRUE, TRUE, 0, ui::Packing::START);
2585                 textureBrowser.m_vframe.set_child_packing( textureBrowser.m_gl_widget, FALSE, FALSE, 0, ui::Packing::END );
2586
2587                 // The hack needs the GL widget to not be hidden to work,
2588                 // so resizing it triggers the redraw of it with the new size.
2589                 // GlobalTextureBrowser().m_gl_widget.hide();
2590
2591                 // Trigger the redraw.
2592                 TextureBrowser_redraw( &GlobalTextureBrowser() );
2593                 ui::process();
2594         }
2595 }
2596 #endif // WORKAROUND_MACOS_GTK2_GLWIDGET
2597
2598 const Vector3& TextureBrowser_getBackgroundColour( TextureBrowser& textureBrowser ){
2599         return textureBrowser.color_textureback;
2600 }
2601
2602 void TextureBrowser_setBackgroundColour( TextureBrowser& textureBrowser, const Vector3& colour ){
2603         textureBrowser.color_textureback = colour;
2604         TextureBrowser_queueDraw( textureBrowser );
2605 }
2606
2607 void TextureBrowser_selectionHelper( ui::TreeModel model, ui::TreePath path, GtkTreeIter* iter, GSList** selected ){
2608         g_assert( selected != NULL );
2609
2610         gchar* name;
2611         gtk_tree_model_get( model, iter, TAG_COLUMN, &name, -1 );
2612         *selected = g_slist_append( *selected, name );
2613 }
2614
2615 void TextureBrowser_shaderInfo(){
2616         const char* name = TextureBrowser_GetSelectedShader( GlobalTextureBrowser() );
2617         IShader* shader = QERApp_Shader_ForName( name );
2618
2619         DoShaderInfoDlg( name, shader->getShaderFileName(), "Shader Info" );
2620
2621         shader->DecRef();
2622 }
2623
2624 void TextureBrowser_addTag(){
2625         CopiedString tag;
2626         TextureBrowser &textureBrowser = GlobalTextureBrowser();
2627
2628         EMessageBoxReturn result = DoShaderTagDlg( &tag, "Add shader tag" );
2629
2630         if ( result == eIDOK && !tag.empty() ) {
2631                 GtkTreeIter iter;
2632                 textureBrowser.m_all_tags.insert( tag.c_str() );
2633                 gtk_list_store_append( textureBrowser.m_available_store, &iter );
2634                 gtk_list_store_set( textureBrowser.m_available_store, &iter, TAG_COLUMN, tag.c_str(), -1 );
2635
2636                 // Select the currently added tag in the available list
2637         auto selection = gtk_tree_view_get_selection(textureBrowser.m_available_tree );
2638                 gtk_tree_selection_select_iter( selection, &iter );
2639
2640                 textureBrowser.m_all_tags_list.append(TAG_COLUMN, tag.c_str());
2641         }
2642 }
2643
2644 void TextureBrowser_renameTag(){
2645         /* WORKAROUND: The tag treeview is set to GTK_SELECTION_MULTIPLE. Because
2646            gtk_tree_selection_get_selected() doesn't work with GTK_SELECTION_MULTIPLE,
2647            we need to count the number of selected rows first and use
2648            gtk_tree_selection_selected_foreach() then to go through the list of selected
2649            rows (which always containins a single row).
2650          */
2651
2652         GSList* selected = NULL;
2653         TextureBrowser &textureBrowser = GlobalTextureBrowser();
2654
2655         auto selection = gtk_tree_view_get_selection(textureBrowser.m_treeViewTags );
2656         gtk_tree_selection_selected_foreach( selection, GtkTreeSelectionForeachFunc( TextureBrowser_selectionHelper ), &selected );
2657
2658         if ( g_slist_length( selected ) == 1 ) { // we only rename a single tag
2659                 CopiedString newTag;
2660                 EMessageBoxReturn result = DoShaderTagDlg( &newTag, "Rename shader tag" );
2661
2662                 if ( result == eIDOK && !newTag.empty() ) {
2663                         GtkTreeIter iterList;
2664                         gchar* rowTag;
2665                         gchar* oldTag = (char*)selected->data;
2666
2667                         bool row = gtk_tree_model_get_iter_first(textureBrowser.m_all_tags_list, &iterList ) != 0;
2668
2669                         while ( row )
2670                         {
2671                                 gtk_tree_model_get(textureBrowser.m_all_tags_list, &iterList, TAG_COLUMN, &rowTag, -1 );
2672
2673                                 if ( strcmp( rowTag, oldTag ) == 0 ) {
2674                                         gtk_list_store_set( textureBrowser.m_all_tags_list, &iterList, TAG_COLUMN, newTag.c_str(), -1 );
2675                                 }
2676                                 row = gtk_tree_model_iter_next(textureBrowser.m_all_tags_list, &iterList ) != 0;
2677                         }
2678
2679                         TagBuilder.RenameShaderTag( oldTag, newTag.c_str() );
2680
2681                         textureBrowser.m_all_tags.erase( (CopiedString)oldTag );
2682                         textureBrowser.m_all_tags.insert( newTag );
2683
2684                         BuildStoreAssignedTags( textureBrowser.m_assigned_store, textureBrowser.shader.c_str(), &textureBrowser );
2685                         BuildStoreAvailableTags( textureBrowser.m_available_store, textureBrowser.m_assigned_store, textureBrowser.m_all_tags, &textureBrowser );
2686                 }
2687         }
2688         else
2689         {
2690                 ui::alert( textureBrowser.m_parent, "Select a single tag for renaming." );
2691         }
2692 }
2693
2694 void TextureBrowser_deleteTag(){
2695         GSList* selected = NULL;
2696         TextureBrowser &textureBrowser = GlobalTextureBrowser();
2697
2698         auto selection = gtk_tree_view_get_selection(textureBrowser.m_treeViewTags );
2699         gtk_tree_selection_selected_foreach( selection, GtkTreeSelectionForeachFunc( TextureBrowser_selectionHelper ), &selected );
2700
2701         if ( g_slist_length( selected ) == 1 ) { // we only delete a single tag
2702                 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 );
2703
2704                 if ( result == ui::alert_response::YES ) {
2705                         GtkTreeIter iterSelected;
2706                         gchar *rowTag;
2707
2708                         gchar* tagSelected = (char*)selected->data;
2709
2710                         bool row = gtk_tree_model_get_iter_first(textureBrowser.m_all_tags_list, &iterSelected ) != 0;
2711
2712                         while ( row )
2713                         {
2714                                 gtk_tree_model_get(textureBrowser.m_all_tags_list, &iterSelected, TAG_COLUMN, &rowTag, -1 );
2715
2716                                 if ( strcmp( rowTag, tagSelected ) == 0 ) {
2717                                         gtk_list_store_remove( textureBrowser.m_all_tags_list, &iterSelected );
2718                                         break;
2719                                 }
2720                                 row = gtk_tree_model_iter_next(textureBrowser.m_all_tags_list, &iterSelected ) != 0;
2721                         }
2722
2723                         TagBuilder.DeleteTag( tagSelected );
2724                         textureBrowser.m_all_tags.erase( (CopiedString)tagSelected );
2725
2726                         BuildStoreAssignedTags( textureBrowser.m_assigned_store, textureBrowser.shader.c_str(), &textureBrowser );
2727                         BuildStoreAvailableTags( textureBrowser.m_available_store, textureBrowser.m_assigned_store, textureBrowser.m_all_tags, &textureBrowser );
2728                 }
2729         }
2730         else {
2731                 ui::alert( textureBrowser.m_parent, "Select a single tag for deletion." );
2732         }
2733 }
2734
2735 void TextureBrowser_copyTag(){
2736         TextureBrowser &textureBrowser = GlobalTextureBrowser();
2737         textureBrowser.m_copied_tags.clear();
2738         TagBuilder.GetShaderTags( textureBrowser.shader.c_str(), textureBrowser.m_copied_tags );
2739 }
2740
2741 void TextureBrowser_pasteTag(){
2742         TextureBrowser &textureBrowser = GlobalTextureBrowser();
2743         IShader* ishader = QERApp_Shader_ForName( textureBrowser.shader.c_str() );
2744         CopiedString shader = textureBrowser.shader.c_str();
2745
2746         if ( !TagBuilder.CheckShaderTag( shader.c_str() ) ) {
2747                 CopiedString shaderFile = ishader->getShaderFileName();
2748                 if ( shaderFile.empty() ) {
2749                         // it's a texture
2750                         TagBuilder.AddShaderNode( shader.c_str(), CUSTOM, TEXTURE );
2751                 }
2752                 else
2753                 {
2754                         // it's a shader
2755                         TagBuilder.AddShaderNode( shader.c_str(), CUSTOM, SHADER );
2756                 }
2757
2758                 for ( size_t i = 0; i < textureBrowser.m_copied_tags.size(); ++i )
2759                 {
2760                         TagBuilder.AddShaderTag( shader.c_str(), textureBrowser.m_copied_tags[i].c_str(), TAG );
2761                 }
2762         }
2763         else
2764         {
2765                 for ( size_t i = 0; i < textureBrowser.m_copied_tags.size(); ++i )
2766                 {
2767                         if ( !TagBuilder.CheckShaderTag( shader.c_str(), textureBrowser.m_copied_tags[i].c_str() ) ) {
2768                                 // the tag doesn't exist - let's add it
2769                                 TagBuilder.AddShaderTag( shader.c_str(), textureBrowser.m_copied_tags[i].c_str(), TAG );
2770                         }
2771                 }
2772         }
2773
2774         ishader->DecRef();
2775
2776         TagBuilder.SaveXmlDoc();
2777         BuildStoreAssignedTags( textureBrowser.m_assigned_store, shader.c_str(), &textureBrowser );
2778         BuildStoreAvailableTags( textureBrowser.m_available_store, textureBrowser.m_assigned_store, textureBrowser.m_all_tags, &textureBrowser );
2779 }
2780
2781 void TextureBrowser_RefreshShaders(){
2782         TextureBrowser &textureBrowser = GlobalTextureBrowser();
2783
2784         /* When shaders are refreshed, forces reloading the textures as well.
2785         Previously it would at best only display shaders, at worst mess up some textured objects. */
2786
2787     auto selection = gtk_tree_view_get_selection(GlobalTextureBrowser().m_treeViewTree);
2788         GtkTreeModel* model = NULL;
2789         GtkTreeIter iter;
2790         if ( gtk_tree_selection_get_selected (selection, &model, &iter) )
2791         {
2792                 gchar dirName[1024];
2793
2794                 gchar* buffer;
2795                 gtk_tree_model_get( model, &iter, 0, &buffer, -1 );
2796                 strcpy( dirName, buffer );
2797                 g_free( buffer );
2798                 if ( !TextureBrowser_showWads() ) {
2799                         strcat( dirName, "/" );
2800                 }
2801
2802                 ScopeDisableScreenUpdates disableScreenUpdates( "Processing...", "Loading Shaders" );
2803                 GlobalShaderSystem().refresh();
2804                 /* texturebrowser tree update on vfs restart */
2805                 TextureBrowser_constructTreeStore();
2806                 UpdateAllWindows();
2807
2808                 TextureBrowser_ShowDirectory( GlobalTextureBrowser(), dirName );
2809                 TextureBrowser_queueDraw( GlobalTextureBrowser() );
2810         }
2811
2812         else{
2813                 ScopeDisableScreenUpdates disableScreenUpdates( "Processing...", "Loading Shaders" );
2814                 GlobalShaderSystem().refresh();
2815                 /* texturebrowser tree update on vfs restart */
2816                 TextureBrowser_constructTreeStore();
2817                 UpdateAllWindows();
2818         }
2819 }
2820
2821 void TextureBrowser_ToggleShowShaders(){
2822         GlobalTextureBrowser().m_showShaders ^= 1;
2823         GlobalTextureBrowser().m_showshaders_item.update();
2824
2825         GlobalTextureBrowser().m_heightChanged = true;
2826         GlobalTextureBrowser().m_originInvalid = true;
2827         g_activeShadersChangedCallbacks();
2828
2829         TextureBrowser_queueDraw( GlobalTextureBrowser() );
2830 }
2831
2832 void TextureBrowser_ToggleShowTextures(){
2833         GlobalTextureBrowser().m_showTextures ^= 1;
2834         GlobalTextureBrowser().m_showtextures_item.update();
2835
2836         GlobalTextureBrowser().m_heightChanged = true;
2837         GlobalTextureBrowser().m_originInvalid = true;
2838         g_activeShadersChangedCallbacks();
2839
2840         TextureBrowser_queueDraw( GlobalTextureBrowser() );
2841 }
2842
2843 void TextureBrowser_ToggleShowShaderListOnly(){
2844         g_TextureBrowser_shaderlistOnly ^= 1;
2845         GlobalTextureBrowser().m_showshaderlistonly_item.update();
2846
2847         TextureBrowser_constructTreeStore();
2848 }
2849
2850 void TextureBrowser_showAll(){
2851         g_TextureBrowser_currentDirectory = "";
2852         GlobalTextureBrowser().m_searchedTags = false;
2853 //      TextureBrowser_SetHideUnused( GlobalTextureBrowser(), false );
2854         TextureBrowser_ToggleHideUnused();
2855         //TextureBrowser_heightChanged( GlobalTextureBrowser() );
2856         TextureBrowser_updateTitle();
2857 }
2858
2859 void TextureBrowser_showUntagged(){
2860         TextureBrowser &textureBrowser = GlobalTextureBrowser();
2861         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 );
2862
2863         if ( result == ui::alert_response::YES ) {
2864                 textureBrowser.m_found_shaders.clear();
2865                 TagBuilder.GetUntagged( textureBrowser.m_found_shaders );
2866                 std::set<CopiedString>::iterator iter;
2867
2868                 ScopeDisableScreenUpdates disableScreenUpdates( "Searching untagged textures...", "Loading Textures" );
2869
2870                 for ( iter = textureBrowser.m_found_shaders.begin(); iter != textureBrowser.m_found_shaders.end(); iter++ )
2871                 {
2872                         std::string path = ( *iter ).c_str();
2873                         size_t pos = path.find_last_of( "/", path.size() );
2874                         std::string name = path.substr( pos + 1, path.size() );
2875                         path = path.substr( 0, pos + 1 );
2876                         TextureDirectory_loadTexture( path.c_str(), name.c_str() );
2877                         globalErrorStream() << path.c_str() << name.c_str() << "\n";
2878                 }
2879
2880                 g_TextureBrowser_currentDirectory = "Untagged";
2881                 TextureBrowser_queueDraw( GlobalTextureBrowser() );
2882                 TextureBrowser_heightChanged( textureBrowser );
2883                 TextureBrowser_updateTitle();
2884         }
2885 }
2886
2887 void TextureBrowser_FixedSize(){
2888         g_TextureBrowser_fixedSize ^= 1;
2889         GlobalTextureBrowser().m_fixedsize_item.update();
2890         TextureBrowser_activeShadersChanged( GlobalTextureBrowser() );
2891 }
2892
2893 void TextureBrowser_FilterMissing(){
2894         g_TextureBrowser_filterMissing ^= 1;
2895         GlobalTextureBrowser().m_filternotex_item.update();
2896         TextureBrowser_activeShadersChanged( GlobalTextureBrowser() );
2897         TextureBrowser_RefreshShaders();
2898 }
2899
2900 void TextureBrowser_FilterFallback(){
2901         g_TextureBrowser_filterFallback ^= 1;
2902         GlobalTextureBrowser().m_hidenotex_item.update();
2903         TextureBrowser_activeShadersChanged( GlobalTextureBrowser() );
2904         TextureBrowser_RefreshShaders();
2905 }
2906
2907 void TextureBrowser_EnableAlpha(){
2908         g_TextureBrowser_enableAlpha ^= 1;
2909         GlobalTextureBrowser().m_enablealpha_item.update();
2910         TextureBrowser_activeShadersChanged( GlobalTextureBrowser() );
2911 }
2912
2913 void TextureBrowser_exportTitle( const Callback<void(const char *)> & importer ){
2914         StringOutputStream buffer( 64 );
2915         buffer << "Textures: ";
2916         if ( !string_empty( g_TextureBrowser_currentDirectory.c_str() ) ) {
2917                 buffer << g_TextureBrowser_currentDirectory.c_str();
2918         }
2919         else
2920         {
2921                 buffer << "all";
2922         }
2923         importer( buffer.c_str() );
2924 }
2925
2926 struct TextureScale {
2927         static void Export(const TextureBrowser &self, const Callback<void(int)> &returnz) {
2928                 switch (self.m_textureScale) {
2929                         case 10:
2930                                 returnz(0);
2931                                 break;
2932                         case 25:
2933                                 returnz(1);
2934                                 break;
2935                         case 50:
2936                                 returnz(2);
2937                                 break;
2938                         case 100:
2939                                 returnz(3);
2940                                 break;
2941                         case 200:
2942                                 returnz(4);
2943                                 break;
2944                 }
2945         }
2946
2947         static void Import(TextureBrowser &self, int value) {
2948                 switch (value) {
2949                         case 0:
2950                                 TextureBrowser_setScale(self, 10);
2951                                 break;
2952                         case 1:
2953                                 TextureBrowser_setScale(self, 25);
2954                                 break;
2955                         case 2:
2956                                 TextureBrowser_setScale(self, 50);
2957                                 break;
2958                         case 3:
2959                                 TextureBrowser_setScale(self, 100);
2960                                 break;
2961                         case 4:
2962                                 TextureBrowser_setScale(self, 200);
2963                                 break;
2964                 }
2965         }
2966 };
2967
2968 struct UniformTextureSize {
2969         static void Export(const TextureBrowser &self, const Callback<void(int)> &returnz) {
2970                 returnz(GlobalTextureBrowser().m_uniformTextureSize);
2971         }
2972
2973         static void Import(TextureBrowser &self, int value) {
2974                 if (value > 16)
2975                         TextureBrowser_setUniformSize(self, value);
2976         }
2977 };
2978
2979 struct UniformTextureMinSize {
2980         static void Export(const TextureBrowser &self, const Callback<void(int)> &returnz) {
2981                 returnz(GlobalTextureBrowser().m_uniformTextureMinSize);
2982         }
2983
2984         static void Import(TextureBrowser &self, int value) {
2985                 if (value > 16)
2986                         TextureBrowser_setUniformSize(self, value);
2987         }
2988 };
2989
2990 void TextureBrowser_constructPreferences( PreferencesPage& page ){
2991         page.appendCheckBox(
2992                 "", "Texture scrollbar",
2993                 make_property<TextureBrowser_ShowScrollbar>(GlobalTextureBrowser())
2994                 );
2995         {
2996                 const char* texture_scale[] = { "10%", "25%", "50%", "100%", "200%" };
2997                 page.appendCombo(
2998                         "Texture Thumbnail Scale",
2999                         STRING_ARRAY_RANGE( texture_scale ),
3000                         make_property<TextureScale>(GlobalTextureBrowser())
3001                         );
3002         }
3003         page.appendSpinner( "Thumbnails Max Size", GlobalTextureBrowser().m_uniformTextureSize, GlobalTextureBrowser().m_uniformTextureSize, 16, 8192 );
3004         page.appendSpinner( "Thumbnails Min Size", GlobalTextureBrowser().m_uniformTextureMinSize, GlobalTextureBrowser().m_uniformTextureMinSize, 16, 8192 );
3005         page.appendEntry( "Mousewheel Increment", GlobalTextureBrowser().m_mouseWheelScrollIncrement );
3006         {
3007                 const char* startup_shaders[] = { "None", TextureBrowser_getCommonShadersName() };
3008                 page.appendCombo( "Load Shaders at Startup", reinterpret_cast<int&>( GlobalTextureBrowser().m_startupShaders ), STRING_ARRAY_RANGE( startup_shaders ) );
3009         }
3010 }
3011
3012 void TextureBrowser_constructPage( PreferenceGroup& group ){
3013         PreferencesPage page( group.createPage( "Texture Browser", "Texture Browser Preferences" ) );
3014         TextureBrowser_constructPreferences( page );
3015 }
3016
3017 void TextureBrowser_registerPreferencesPage(){
3018         PreferencesDialog_addSettingsPage( makeCallbackF(TextureBrowser_constructPage) );
3019 }
3020
3021
3022 #include "preferencesystem.h"
3023 #include "stringio.h"
3024
3025
3026 void TextureClipboard_textureSelected( const char* shader );
3027
3028 void TextureBrowser_Construct(){
3029         TextureBrowser &textureBrowser = GlobalTextureBrowser();
3030
3031         GlobalCommands_insert( "ShaderInfo", makeCallbackF(TextureBrowser_shaderInfo) );
3032         GlobalCommands_insert( "ShowUntagged", makeCallbackF(TextureBrowser_showUntagged) );
3033         GlobalCommands_insert( "AddTag", makeCallbackF(TextureBrowser_addTag) );
3034         GlobalCommands_insert( "RenameTag", makeCallbackF(TextureBrowser_renameTag) );
3035         GlobalCommands_insert( "DeleteTag", makeCallbackF(TextureBrowser_deleteTag) );
3036         GlobalCommands_insert( "CopyTag", makeCallbackF(TextureBrowser_copyTag) );
3037         GlobalCommands_insert( "PasteTag", makeCallbackF(TextureBrowser_pasteTag) );
3038         GlobalCommands_insert( "RefreshShaders", makeCallbackF(VFS_Refresh) );
3039         GlobalToggles_insert( "ShowInUse", makeCallbackF(TextureBrowser_ToggleHideUnused), ToggleItem::AddCallbackCaller( textureBrowser.m_hideunused_item ), Accelerator( 'U' ) );
3040         GlobalCommands_insert( "ShowAllTextures", makeCallbackF(TextureBrowser_showAll), Accelerator( 'A', (GdkModifierType)GDK_CONTROL_MASK ) );
3041         GlobalCommands_insert( "ToggleTextures", makeCallbackF(TextureBrowser_toggleShow), Accelerator( 'T' ) );
3042         GlobalToggles_insert( "ToggleShowShaders", makeCallbackF(TextureBrowser_ToggleShowShaders), ToggleItem::AddCallbackCaller( GlobalTextureBrowser().m_showshaders_item ) );
3043         GlobalToggles_insert( "ToggleShowTextures", makeCallbackF(TextureBrowser_ToggleShowTextures), ToggleItem::AddCallbackCaller( GlobalTextureBrowser().m_showtextures_item ) );
3044         GlobalToggles_insert( "ToggleShowShaderlistOnly", makeCallbackF(TextureBrowser_ToggleShowShaderListOnly),
3045  ToggleItem::AddCallbackCaller( GlobalTextureBrowser().m_showshaderlistonly_item ) );
3046         GlobalToggles_insert( "FixedSize", makeCallbackF(TextureBrowser_FixedSize), ToggleItem::AddCallbackCaller( GlobalTextureBrowser().m_fixedsize_item ) );
3047         GlobalToggles_insert( "FilterMissing", makeCallbackF(TextureBrowser_FilterMissing), ToggleItem::AddCallbackCaller( GlobalTextureBrowser().m_filternotex_item ) );
3048         GlobalToggles_insert( "FilterFallback", makeCallbackF(TextureBrowser_FilterFallback), ToggleItem::AddCallbackCaller( GlobalTextureBrowser().m_hidenotex_item ) );
3049         GlobalToggles_insert( "EnableAlpha", makeCallbackF(TextureBrowser_EnableAlpha), ToggleItem::AddCallbackCaller( GlobalTextureBrowser().m_enablealpha_item ) );
3050
3051         GlobalPreferenceSystem().registerPreference( "TextureScale", make_property_string<TextureScale>(textureBrowser) );
3052         GlobalPreferenceSystem().registerPreference( "UniformTextureSize", make_property_string<UniformTextureSize>(textureBrowser) );
3053         GlobalPreferenceSystem().registerPreference( "UniformTextureMinSize", make_property_string<UniformTextureMinSize>(textureBrowser) );
3054         GlobalPreferenceSystem().registerPreference( "TextureScrollbar", make_property_string<TextureBrowser_ShowScrollbar>(textureBrowser));
3055         GlobalPreferenceSystem().registerPreference( "ShowShaders", make_property_string( textureBrowser.m_showShaders ) );
3056         GlobalPreferenceSystem().registerPreference( "ShowTextures", make_property_string( GlobalTextureBrowser().m_showTextures ) );
3057         GlobalPreferenceSystem().registerPreference( "ShowShaderlistOnly", make_property_string( g_TextureBrowser_shaderlistOnly ) );
3058         GlobalPreferenceSystem().registerPreference( "FixedSize", make_property_string( g_TextureBrowser_fixedSize ) );
3059         GlobalPreferenceSystem().registerPreference( "FilterMissing", make_property_string( g_TextureBrowser_filterMissing ) );
3060         GlobalPreferenceSystem().registerPreference( "EnableAlpha", make_property_string( g_TextureBrowser_enableAlpha ) );
3061         GlobalPreferenceSystem().registerPreference( "LoadShaders", make_property_string( reinterpret_cast<int&>( textureBrowser.m_startupShaders ) ) );
3062         GlobalPreferenceSystem().registerPreference( "WheelMouseInc", make_property_string( textureBrowser.m_mouseWheelScrollIncrement ) );
3063         GlobalPreferenceSystem().registerPreference( "SI_Colors0", make_property_string( textureBrowser.color_textureback ) );
3064
3065         textureBrowser.shader = texdef_name_default();
3066
3067         Textures_setModeChangedNotify( ReferenceCaller<TextureBrowser, void(), TextureBrowser_queueDraw>( textureBrowser ) );
3068
3069         TextureBrowser_registerPreferencesPage();
3070
3071         GlobalShaderSystem().attach( g_ShadersObserver );
3072
3073         TextureBrowser_textureSelected = TextureClipboard_textureSelected;
3074 }
3075
3076 void TextureBrowser_Destroy(){
3077         GlobalShaderSystem().detach( g_ShadersObserver );
3078
3079         Textures_setModeChangedNotify( Callback<void()>() );
3080 }
3081
3082 ui::Widget TextureBrowser_getGLWidget(){
3083         return GlobalTextureBrowser().m_gl_widget;
3084 }
3085
3086 #if WORKAROUND_WINDOWS_GTK2_GLWIDGET
3087 ui::GLArea TextureBrowser_getGLWidget(){
3088         return GlobalTextureBrowser().m_gl_widget;
3089 }
3090 #endif // WORKAROUND_WINDOWS_GTK2_GLWIDGET