source/Irrlicht/CIrrDeviceSDL.cpp

   1 // Copyright (C) 2002-2012 Nikolaus Gebhardt\r
   2 // This file is part of the "Irrlicht Engine".\r
   3 // For conditions of distribution and use, see copyright notice in irrlicht.h\r
   4 \r
   5 \r
   6 #ifdef _IRR_COMPILE_WITH_SDL_DEVICE_\r
   7 \r
   8 #include "CIrrDeviceSDL.h"\r
   9 #include "IEventReceiver.h"\r
  10 #include "IGUIElement.h"\r
  11 #include "IGUIEnvironment.h"\r
  12 #include "os.h"\r
  13 #include "CTimer.h"\r
  14 #include "irrString.h"\r
  15 #include "Keycodes.h"\r
  16 #include "COSOperator.h"\r
  17 #include <stdio.h>\r
  18 #include <stdlib.h>\r
  19 #include "SIrrCreationParameters.h"\r
  20 #include <SDL_video.h>\r
  21 \r
  22 #ifdef _IRR_EMSCRIPTEN_PLATFORM_\r
  23 #ifdef _IRR_COMPILE_WITH_OGLES2_\r
  24 #include "CEGLManager.h"\r
  25 #endif\r
  26 #include <emscripten.h>\r
  27 #endif\r
  28 \r
  29 #ifdef _IRR_COMPILE_WITH_OPENGL_\r
  30 #include "CSDLManager.h"\r
  31 #endif\r
  32 \r
  33 static int SDLDeviceInstances = 0;\r
  34 \r
  35 namespace irr\r
  36 {\r
  37         namespace video\r
  38         {\r
  39                 #ifdef _IRR_COMPILE_WITH_OPENGL_\r
  40                 IVideoDriver* createOpenGLDriver(const SIrrlichtCreationParameters& params, io::IFileSystem* io, IContextManager* contextManager);\r
  41                 #else\r
  42                 static IVideoDriver* createOpenGLDriver(const SIrrlichtCreationParameters& params, io::IFileSystem* io, IContextManager* contextManager)\r
  43                 {\r
  44                         os::Printer::log("No OpenGL support compiled in.", ELL_ERROR);\r
  45                         return nullptr;\r
  46                 }\r
  47                 #endif\r
  48 \r
  49                 #ifdef ENABLE_OPENGL3\r
  50                 IVideoDriver* createOpenGL3Driver(const SIrrlichtCreationParameters& params, io::IFileSystem* io, IContextManager* contextManager);\r
  51                 #else\r
  52                 static IVideoDriver* createOpenGL3Driver(const SIrrlichtCreationParameters& params, io::IFileSystem* io, IContextManager* contextManager)\r
  53                 {\r
  54                         os::Printer::log("No OpenGL 3 support compiled in.", ELL_ERROR);\r
  55                         return nullptr;\r
  56                 }\r
  57                 #endif\r
  58 \r
  59                 #ifdef _IRR_COMPILE_WITH_OGLES2_\r
  60                 IVideoDriver* createOGLES2Driver(const SIrrlichtCreationParameters& params, io::IFileSystem* io, IContextManager* contextManager);\r
  61                 #else\r
  62                 static IVideoDriver* createOGLES2Driver(const SIrrlichtCreationParameters& params, io::IFileSystem* io, IContextManager* contextManager)\r
  63                 {\r
  64                         os::Printer::log("No OpenGL ES 2 support compiled in.", ELL_ERROR);\r
  65                         return nullptr;\r
  66                 }\r
  67                 #endif\r
  68 \r
  69                 #ifdef _IRR_COMPILE_WITH_WEBGL1_\r
  70                 IVideoDriver* createWebGL1Driver(const SIrrlichtCreationParameters& params, io::IFileSystem* io, IContextManager* contextManager);\r
  71                 #else\r
  72                 static IVideoDriver* createWebGL1Driver(const SIrrlichtCreationParameters& params, io::IFileSystem* io, IContextManager* contextManager)\r
  73                 {\r
  74                         os::Printer::log("No WebGL 1 support compiled in.", ELL_ERROR);\r
  75                         return nullptr;\r
  76                 }\r
  77                 #endif\r
  78         } // end namespace video\r
  79 \r
  80 } // end namespace irr\r
  81 \r
  82 \r
  83 namespace irr\r
  84 {\r
  85 #ifdef _IRR_EMSCRIPTEN_PLATFORM_\r
  86 EM_BOOL CIrrDeviceSDL::MouseUpDownCallback(int eventType, const EmscriptenMouseEvent * event, void* userData)\r
  87 {\r
  88         // We need this callback so far only because otherwise "emscripten_request_pointerlock" calls will\r
  89         // fail as their request are infinitely deferred.\r
  90         // Not exactly certain why, maybe SDL does catch those mouse-events otherwise and not pass them on.\r
  91         return EM_FALSE;\r
  92 }\r
  93 \r
  94 EM_BOOL CIrrDeviceSDL::MouseEnterCallback(int eventType, const EmscriptenMouseEvent *mouseEvent, void *userData)\r
  95 {\r
  96         CIrrDeviceSDL * This = static_cast<CIrrDeviceSDL*>(userData);\r
  97 \r
  98         SEvent irrevent;\r
  99 \r
 100         irrevent.EventType = irr::EET_MOUSE_INPUT_EVENT;\r
 101         irrevent.MouseInput.Event = irr::EMIE_MOUSE_ENTER_CANVAS;\r
 102         This->MouseX = irrevent.MouseInput.X = mouseEvent->canvasX;\r
 103         This->MouseY = irrevent.MouseInput.Y = mouseEvent->canvasY;\r
 104         This->MouseXRel = mouseEvent->movementX; // should be 0 I guess? Or can it enter while pointer is locked()?\r
 105         This->MouseYRel = mouseEvent->movementY;\r
 106         irrevent.MouseInput.ButtonStates = This->MouseButtonStates;     // TODO: not correct, but couldn't figure out the bitset of mouseEvent->buttons yet.\r
 107         irrevent.MouseInput.Shift = mouseEvent->shiftKey;\r
 108         irrevent.MouseInput.Control = mouseEvent->ctrlKey;\r
 109 \r
 110         This->postEventFromUser(irrevent);\r
 111 \r
 112         return EM_FALSE;\r
 113 }\r
 114 \r
 115 EM_BOOL CIrrDeviceSDL::MouseLeaveCallback(int eventType, const EmscriptenMouseEvent *mouseEvent, void *userData)\r
 116 {\r
 117         CIrrDeviceSDL * This = static_cast<CIrrDeviceSDL*>(userData);\r
 118 \r
 119         SEvent irrevent;\r
 120 \r
 121         irrevent.EventType = irr::EET_MOUSE_INPUT_EVENT;\r
 122         irrevent.MouseInput.Event = irr::EMIE_MOUSE_LEAVE_CANVAS;\r
 123         This->MouseX = irrevent.MouseInput.X = mouseEvent->canvasX;\r
 124         This->MouseY = irrevent.MouseInput.Y = mouseEvent->canvasY;\r
 125         This->MouseXRel = mouseEvent->movementX; // should be 0 I guess? Or can it enter while pointer is locked()?\r
 126         This->MouseYRel = mouseEvent->movementY;\r
 127         irrevent.MouseInput.ButtonStates = This->MouseButtonStates;     // TODO: not correct, but couldn't figure out the bitset of mouseEvent->buttons yet.\r
 128         irrevent.MouseInput.Shift = mouseEvent->shiftKey;\r
 129         irrevent.MouseInput.Control = mouseEvent->ctrlKey;\r
 130 \r
 131         This->postEventFromUser(irrevent);\r
 132 \r
 133         return EM_FALSE;\r
 134 }\r
 135 #endif\r
 136 \r
 137 \r
 138 bool CIrrDeviceSDL::keyIsKnownSpecial(EKEY_CODE key)\r
 139 {\r
 140         switch ( key )\r
 141         {\r
 142                 // keys which are known to have safe special character interpretation\r
 143                 // could need changes over time (removals and additions!)\r
 144                 case KEY_RETURN:\r
 145                 case KEY_PAUSE:\r
 146                 case KEY_ESCAPE:\r
 147                 case KEY_PRIOR:\r
 148                 case KEY_NEXT:\r
 149                 case KEY_HOME:\r
 150                 case KEY_END:\r
 151                 case KEY_LEFT:\r
 152                 case KEY_UP:\r
 153                 case KEY_RIGHT:\r
 154                 case KEY_DOWN:\r
 155                 case KEY_TAB:\r
 156                 case KEY_PRINT:\r
 157                 case KEY_SNAPSHOT:\r
 158                 case KEY_INSERT:\r
 159                 case KEY_BACK:\r
 160                 case KEY_DELETE:\r
 161                 case KEY_HELP:\r
 162                 case KEY_APPS:\r
 163                 case KEY_SLEEP:\r
 164                 case KEY_F1:\r
 165                 case KEY_F2:\r
 166                 case KEY_F3:\r
 167                 case KEY_F4:\r
 168                 case KEY_F5:\r
 169                 case KEY_F6:\r
 170                 case KEY_F7:\r
 171                 case KEY_F8:\r
 172                 case KEY_F9:\r
 173                 case KEY_F10:\r
 174                 case KEY_F11:\r
 175                 case KEY_F12:\r
 176                 case KEY_F13:\r
 177                 case KEY_F14:\r
 178                 case KEY_F15:\r
 179                 case KEY_F16:\r
 180                 case KEY_F17:\r
 181                 case KEY_F18:\r
 182                 case KEY_F19:\r
 183                 case KEY_F20:\r
 184                 case KEY_F21:\r
 185                 case KEY_F22:\r
 186                 case KEY_F23:\r
 187                 case KEY_F24:\r
 188                 case KEY_NUMLOCK:\r
 189                 case KEY_SCROLL:\r
 190                 case KEY_LCONTROL:\r
 191                 case KEY_RCONTROL:\r
 192                         return true;\r
 193 \r
 194                 default:\r
 195                         return false;\r
 196         }\r
 197 }\r
 198 \r
 199 int CIrrDeviceSDL::findCharToPassToIrrlicht(int assumedChar, EKEY_CODE key) {\r
 200         // SDL in-place ORs values with no character representation with 1<<30\r
 201         // https://wiki.libsdl.org/SDL2/SDLKeycodeLookup\r
 202         if (assumedChar & (1<<30))\r
 203                 return 0;\r
 204 \r
 205         switch (key) {\r
 206                 case KEY_PRIOR:\r
 207                 case KEY_NEXT:\r
 208                 case KEY_HOME:\r
 209                 case KEY_END:\r
 210                 case KEY_LEFT:\r
 211                 case KEY_UP:\r
 212                 case KEY_RIGHT:\r
 213                 case KEY_DOWN:\r
 214                 case KEY_NUMLOCK:\r
 215                         return 0;\r
 216                 default:\r
 217                         return assumedChar;\r
 218         }\r
 219 }\r
 220 \r
 221 void CIrrDeviceSDL::resetReceiveTextInputEvents() {\r
 222         gui::IGUIElement *elem = GUIEnvironment->getFocus();\r
 223         if (elem && elem->acceptsIME())\r
 224                 SDL_StartTextInput();\r
 225         else\r
 226                 SDL_StopTextInput();\r
 227 }\r
 228 \r
 229 //! constructor\r
 230 CIrrDeviceSDL::CIrrDeviceSDL(const SIrrlichtCreationParameters& param)\r
 231         : CIrrDeviceStub(param),\r
 232         Window((SDL_Window*)param.WindowId), SDL_Flags(0),\r
 233         MouseX(0), MouseY(0), MouseXRel(0), MouseYRel(0), MouseButtonStates(0),\r
 234         Width(param.WindowSize.Width), Height(param.WindowSize.Height),\r
 235         Resizable(param.WindowResizable == 1 ? true : false)\r
 236 {\r
 237         #ifdef _DEBUG\r
 238         setDebugName("CIrrDeviceSDL");\r
 239         #endif\r
 240 \r
 241         if ( ++SDLDeviceInstances == 1 )\r
 242         {\r
 243                 u32 flags = SDL_INIT_TIMER | SDL_INIT_EVENTS;\r
 244                 if (CreationParams.DriverType != video::EDT_NULL)\r
 245                         flags |= SDL_INIT_VIDEO;\r
 246 #if defined(_IRR_COMPILE_WITH_JOYSTICK_EVENTS_)\r
 247                 flags |= SDL_INIT_JOYSTICK;\r
 248 #endif\r
 249                 if (SDL_Init(flags) < 0)\r
 250                 {\r
 251                         os::Printer::log( "Unable to initialize SDL!", SDL_GetError());\r
 252                         Close = true;\r
 253                 }\r
 254                 else\r
 255                 {\r
 256                         os::Printer::log("SDL initialized", ELL_INFORMATION);\r
 257                 }\r
 258         }\r
 259 \r
 260         // create keymap\r
 261         createKeyMap();\r
 262 \r
 263         // create window\r
 264         if (CreationParams.DriverType != video::EDT_NULL)\r
 265         {\r
 266                 // create the window, only if we do not use the null device\r
 267                 createWindow();\r
 268         }\r
 269 \r
 270 \r
 271         SDL_VERSION(&Info.version);\r
 272 \r
 273 #ifndef _IRR_EMSCRIPTEN_PLATFORM_\r
 274         SDL_GetWindowWMInfo(Window,&Info);\r
 275 #endif //_IRR_EMSCRIPTEN_PLATFORM_\r
 276         core::stringc sdlversion = "SDL Version ";\r
 277         sdlversion += Info.version.major;\r
 278         sdlversion += ".";\r
 279         sdlversion += Info.version.minor;\r
 280         sdlversion += ".";\r
 281         sdlversion += Info.version.patch;\r
 282 \r
 283         Operator = new COSOperator(sdlversion);\r
 284         if (SDLDeviceInstances == 1) {\r
 285                 os::Printer::log(sdlversion.c_str(), ELL_INFORMATION);\r
 286         }\r
 287 \r
 288         // create cursor control\r
 289         CursorControl = new CCursorControl(this);\r
 290 \r
 291         // create driver\r
 292         createDriver();\r
 293 \r
 294         if (VideoDriver) {\r
 295                 createGUIAndScene();\r
 296                 VideoDriver->OnResize(core::dimension2d<u32>(Width, Height));\r
 297         }\r
 298 }\r
 299 \r
 300 \r
 301 //! destructor\r
 302 CIrrDeviceSDL::~CIrrDeviceSDL()\r
 303 {\r
 304         if ( --SDLDeviceInstances == 0 )\r
 305         {\r
 306 #if defined(_IRR_COMPILE_WITH_JOYSTICK_EVENTS_)\r
 307                 const u32 numJoysticks = Joysticks.size();\r
 308                 for (u32 i=0; i<numJoysticks; ++i)\r
 309                         SDL_JoystickClose(Joysticks[i]);\r
 310 #endif\r
 311                 if (Window)\r
 312                 {\r
 313                         SDL_GL_MakeCurrent(Window, NULL);\r
 314                         SDL_GL_DeleteContext(Context);\r
 315                         SDL_DestroyWindow(Window);\r
 316                 }\r
 317                 SDL_Quit();\r
 318 \r
 319                 os::Printer::log("Quit SDL", ELL_INFORMATION);\r
 320         }\r
 321 }\r
 322 \r
 323 void CIrrDeviceSDL::logAttributes()\r
 324 {\r
 325         core::stringc sdl_attr("SDL attribs:");\r
 326         int value = 0;\r
 327         if ( SDL_GL_GetAttribute( SDL_GL_RED_SIZE, &value ) == 0 )\r
 328                 sdl_attr += core::stringc(" r:") + core::stringc(value);\r
 329         if ( SDL_GL_GetAttribute( SDL_GL_GREEN_SIZE, &value ) == 0 )\r
 330                 sdl_attr += core::stringc(" g:") + core::stringc(value);\r
 331         if ( SDL_GL_GetAttribute( SDL_GL_BLUE_SIZE, &value ) == 0 )\r
 332                 sdl_attr += core::stringc(" b:") + core::stringc(value);\r
 333         if ( SDL_GL_GetAttribute( SDL_GL_ALPHA_SIZE, &value ) == 0 )\r
 334                 sdl_attr += core::stringc(" a:") + core::stringc(value);\r
 335 \r
 336         if ( SDL_GL_GetAttribute( SDL_GL_DEPTH_SIZE, &value) == 0 )\r
 337                 sdl_attr += core::stringc(" depth:") + core::stringc(value);\r
 338         if ( SDL_GL_GetAttribute( SDL_GL_STENCIL_SIZE, &value ) == 0 )\r
 339                 sdl_attr += core::stringc(" stencil:") + core::stringc(value);\r
 340         if ( SDL_GL_GetAttribute( SDL_GL_DOUBLEBUFFER, &value ) == 0 )\r
 341                 sdl_attr += core::stringc(" doublebuf:") + core::stringc(value);\r
 342         if ( SDL_GL_GetAttribute( SDL_GL_MULTISAMPLEBUFFERS, &value ) == 0 )\r
 343                 sdl_attr += core::stringc(" aa:") + core::stringc(value);\r
 344         if ( SDL_GL_GetAttribute( SDL_GL_MULTISAMPLESAMPLES, &value ) == 0 )\r
 345                 sdl_attr += core::stringc(" aa-samples:") + core::stringc(value);\r
 346 \r
 347         os::Printer::log(sdl_attr.c_str());\r
 348 }\r
 349 \r
 350 bool CIrrDeviceSDL::createWindow()\r
 351 {\r
 352         if (CreationParams.Fullscreen) {\r
 353                 SDL_Flags |= SDL_WINDOW_FULLSCREEN;\r
 354         } else  {\r
 355                 if (Resizable)\r
 356                         SDL_Flags |= SDL_WINDOW_RESIZABLE;\r
 357                 if (CreationParams.WindowMaximized)\r
 358                         SDL_Flags |= SDL_WINDOW_MAXIMIZED;\r
 359         }\r
 360         SDL_Flags |= SDL_WINDOW_OPENGL;\r
 361 \r
 362 #ifdef _IRR_EMSCRIPTEN_PLATFORM_\r
 363         if ( Width != 0 || Height != 0 )\r
 364                 emscripten_set_canvas_size( Width, Height);\r
 365         else\r
 366         {\r
 367                 int w, h, fs;\r
 368                 emscripten_get_canvas_size(&w, &h, &fs);\r
 369                 Width = w;\r
 370                 Height = h;\r
 371         }\r
 372 \r
 373         SDL_GL_SetAttribute( SDL_GL_RED_SIZE, 8 );\r
 374         SDL_GL_SetAttribute( SDL_GL_GREEN_SIZE, 8 );\r
 375         SDL_GL_SetAttribute( SDL_GL_BLUE_SIZE, 8 );\r
 376         SDL_GL_SetAttribute( SDL_GL_ALPHA_SIZE, CreationParams.WithAlphaChannel?8:0 );\r
 377 \r
 378         SDL_GL_SetAttribute( SDL_GL_DEPTH_SIZE, CreationParams.ZBufferBits);\r
 379         SDL_GL_SetAttribute( SDL_GL_STENCIL_SIZE, CreationParams.Stencilbuffer ? 8 : 0);\r
 380         SDL_GL_SetAttribute( SDL_GL_DOUBLEBUFFER, CreationParams.Doublebuffer ? 1 : 0);\r
 381 \r
 382         if (CreationParams.AntiAlias>1)\r
 383         {\r
 384                 SDL_GL_SetAttribute( SDL_GL_MULTISAMPLEBUFFERS, 1 );\r
 385                 SDL_GL_SetAttribute( SDL_GL_MULTISAMPLESAMPLES, CreationParams.AntiAlias );\r
 386         }\r
 387         else\r
 388         {\r
 389                 SDL_GL_SetAttribute(SDL_GL_MULTISAMPLEBUFFERS, 0);\r
 390                 SDL_GL_SetAttribute(SDL_GL_MULTISAMPLESAMPLES, 0);\r
 391         }\r
 392 \r
 393         SDL_CreateWindowAndRenderer(0, 0, SDL_Flags, &Window, &Renderer); // 0,0 will use the canvas size\r
 394 \r
 395         logAttributes();\r
 396 \r
 397         // "#canvas" is for the opengl context\r
 398         emscripten_set_mousedown_callback("#canvas", (void*)this, true, MouseUpDownCallback);\r
 399     emscripten_set_mouseup_callback("#canvas", (void*)this, true, MouseUpDownCallback);\r
 400     emscripten_set_mouseenter_callback("#canvas", (void*)this, false, MouseEnterCallback);\r
 401     emscripten_set_mouseleave_callback("#canvas", (void*)this, false, MouseLeaveCallback);\r
 402 \r
 403         return true;\r
 404 #else // !_IRR_EMSCRIPTEN_PLATFORM_\r
 405         if ( Close )\r
 406                 return false;\r
 407 \r
 408         switch (CreationParams.DriverType) {\r
 409                 case video::EDT_OPENGL:\r
 410                         SDL_GL_SetAttribute(SDL_GL_CONTEXT_MAJOR_VERSION, 2);\r
 411                         SDL_GL_SetAttribute(SDL_GL_CONTEXT_MINOR_VERSION, 1);\r
 412                         break;\r
 413                 case video::EDT_OPENGL3:\r
 414                         SDL_GL_SetAttribute(SDL_GL_CONTEXT_MAJOR_VERSION, 3);\r
 415                         SDL_GL_SetAttribute(SDL_GL_CONTEXT_MINOR_VERSION, 2);\r
 416                         SDL_GL_SetAttribute(SDL_GL_CONTEXT_PROFILE_MASK, SDL_GL_CONTEXT_PROFILE_COMPATIBILITY);\r
 417                         break;\r
 418                 case video::EDT_OGLES1:\r
 419                         SDL_GL_SetAttribute(SDL_GL_CONTEXT_MAJOR_VERSION, 1);\r
 420                         SDL_GL_SetAttribute(SDL_GL_CONTEXT_MINOR_VERSION, 1);\r
 421                         SDL_GL_SetAttribute(SDL_GL_CONTEXT_PROFILE_MASK, SDL_GL_CONTEXT_PROFILE_ES);\r
 422                         break;\r
 423                 case video::EDT_OGLES2:\r
 424                 case video::EDT_WEBGL1:\r
 425                         SDL_GL_SetAttribute(SDL_GL_CONTEXT_MAJOR_VERSION, 2);\r
 426                         SDL_GL_SetAttribute(SDL_GL_CONTEXT_MINOR_VERSION, 0);\r
 427                         SDL_GL_SetAttribute(SDL_GL_CONTEXT_PROFILE_MASK, SDL_GL_CONTEXT_PROFILE_ES);\r
 428                         break;\r
 429                 default:;\r
 430         }\r
 431 \r
 432 #ifdef _DEBUG\r
 433         SDL_GL_SetAttribute(SDL_GL_CONTEXT_FLAGS, SDL_GL_CONTEXT_DEBUG_FLAG | SDL_GL_CONTEXT_ROBUST_ACCESS_FLAG);\r
 434 #endif\r
 435 \r
 436         if (CreationParams.Bits == 16) {\r
 437                 SDL_GL_SetAttribute(SDL_GL_RED_SIZE, 5);\r
 438                 SDL_GL_SetAttribute(SDL_GL_GREEN_SIZE, 5);\r
 439                 SDL_GL_SetAttribute(SDL_GL_BLUE_SIZE, 5);\r
 440                 SDL_GL_SetAttribute(SDL_GL_ALPHA_SIZE, CreationParams.WithAlphaChannel ? 1 : 0);\r
 441         } else {\r
 442                 SDL_GL_SetAttribute(SDL_GL_RED_SIZE, 8);\r
 443                 SDL_GL_SetAttribute(SDL_GL_GREEN_SIZE, 8);\r
 444                 SDL_GL_SetAttribute(SDL_GL_BLUE_SIZE, 8);\r
 445                 SDL_GL_SetAttribute(SDL_GL_ALPHA_SIZE, CreationParams.WithAlphaChannel ? 8 : 0);\r
 446         }\r
 447         SDL_GL_SetAttribute(SDL_GL_DEPTH_SIZE, CreationParams.ZBufferBits);\r
 448         SDL_GL_SetAttribute(SDL_GL_DOUBLEBUFFER, CreationParams.Doublebuffer);\r
 449         SDL_GL_SetAttribute(SDL_GL_STENCIL_SIZE, CreationParams.Stencilbuffer ? 8 : 0);\r
 450         SDL_GL_SetAttribute(SDL_GL_STEREO, CreationParams.Stereobuffer);\r
 451         if (CreationParams.AntiAlias > 1) {\r
 452                 SDL_GL_SetAttribute(SDL_GL_MULTISAMPLEBUFFERS, 1);\r
 453                 SDL_GL_SetAttribute(SDL_GL_MULTISAMPLESAMPLES, CreationParams.AntiAlias);\r
 454         }\r
 455         if (!Window)\r
 456                 Window = SDL_CreateWindow("", SDL_WINDOWPOS_CENTERED, SDL_WINDOWPOS_CENTERED, Width, Height, SDL_Flags);\r
 457         if (!Window) {\r
 458                 os::Printer::log("Could not create window...", SDL_GetError(), ELL_WARNING);\r
 459         }\r
 460         if (!Window && CreationParams.AntiAlias > 1) {\r
 461                 while (--CreationParams.AntiAlias > 1) {\r
 462                         SDL_GL_SetAttribute(SDL_GL_MULTISAMPLESAMPLES, CreationParams.AntiAlias);\r
 463                         Window = SDL_CreateWindow("", SDL_WINDOWPOS_CENTERED, SDL_WINDOWPOS_CENTERED, Width, Height, SDL_Flags);\r
 464                         if (Window)\r
 465                                 break;\r
 466                 }\r
 467                 if (!Window) {\r
 468                         SDL_GL_SetAttribute(SDL_GL_MULTISAMPLEBUFFERS, 0);\r
 469                         SDL_GL_SetAttribute(SDL_GL_MULTISAMPLESAMPLES, 0);\r
 470                         Window = SDL_CreateWindow("", SDL_WINDOWPOS_CENTERED, SDL_WINDOWPOS_CENTERED, Width, Height, SDL_Flags);\r
 471                         if (Window)\r
 472                                 os::Printer::log("AntiAliasing disabled due to lack of support!", ELL_WARNING);\r
 473                 }\r
 474         }\r
 475 \r
 476         if ( !Window && CreationParams.Doublebuffer)\r
 477         {\r
 478                 // Try single buffer\r
 479                 if (CreationParams.DriverType == video::EDT_OPENGL)\r
 480                         SDL_GL_SetAttribute(SDL_GL_DOUBLEBUFFER, 1);\r
 481                 Window = SDL_CreateWindow("", SDL_WINDOWPOS_CENTERED, SDL_WINDOWPOS_CENTERED, Width, Height, SDL_Flags);\r
 482         }\r
 483         if ( !Window )\r
 484         {\r
 485                 os::Printer::log("Could not initialize display", SDL_GetError(), ELL_ERROR);\r
 486                 return false;\r
 487         }\r
 488 \r
 489         Context = SDL_GL_CreateContext(Window);\r
 490         if (!Context) {\r
 491                 os::Printer::log("Could not initialize context", SDL_GetError(), ELL_ERROR);\r
 492                 SDL_DestroyWindow(Window);\r
 493                 return false;\r
 494         }\r
 495 \r
 496         return true;\r
 497 #endif // !_IRR_EMSCRIPTEN_PLATFORM_\r
 498 }\r
 499 \r
 500 \r
 501 //! create the driver\r
 502 void CIrrDeviceSDL::createDriver()\r
 503 {\r
 504         if (CreationParams.DriverType == video::EDT_NULL) {\r
 505                 VideoDriver = video::createNullDriver(FileSystem, CreationParams.WindowSize);\r
 506                 return;\r
 507         }\r
 508 \r
 509         ContextManager = new video::CSDLManager(this);\r
 510         switch(CreationParams.DriverType)\r
 511         {\r
 512         case video::EDT_OPENGL: VideoDriver = video::createOpenGLDriver(CreationParams, FileSystem, ContextManager); break;\r
 513         case video::EDT_OPENGL3: VideoDriver = video::createOpenGL3Driver(CreationParams, FileSystem, ContextManager); break;\r
 514         case video::EDT_OGLES2: VideoDriver = video::createOGLES2Driver(CreationParams, FileSystem, ContextManager); break;\r
 515         case video::EDT_WEBGL1: VideoDriver = video::createWebGL1Driver(CreationParams, FileSystem, ContextManager); break;\r
 516         default:;\r
 517         }\r
 518         if (!VideoDriver)\r
 519                 os::Printer::log("Could not create video driver", ELL_ERROR);\r
 520 }\r
 521 \r
 522 \r
 523 //! runs the device. Returns false if device wants to be deleted\r
 524 bool CIrrDeviceSDL::run()\r
 525 {\r
 526         os::Timer::tick();\r
 527 \r
 528         SEvent irrevent;\r
 529         SDL_Event SDL_event;\r
 530 \r
 531         while ( !Close && SDL_PollEvent( &SDL_event ) )\r
 532         {\r
 533                 // os::Printer::log("event: ", core::stringc((int)SDL_event.type).c_str(),   ELL_INFORMATION);  // just for debugging\r
 534 \r
 535                 switch ( SDL_event.type )\r
 536                 {\r
 537                 case SDL_MOUSEMOTION: {\r
 538                         SDL_Keymod keymod = SDL_GetModState();\r
 539 \r
 540                         irrevent.EventType = irr::EET_MOUSE_INPUT_EVENT;\r
 541                         irrevent.MouseInput.Event = irr::EMIE_MOUSE_MOVED;\r
 542                         MouseX = irrevent.MouseInput.X = SDL_event.motion.x;\r
 543                         MouseY = irrevent.MouseInput.Y = SDL_event.motion.y;\r
 544                         MouseXRel = SDL_event.motion.xrel;\r
 545                         MouseYRel = SDL_event.motion.yrel;\r
 546                         irrevent.MouseInput.ButtonStates = MouseButtonStates;\r
 547                         irrevent.MouseInput.Shift = (keymod & KMOD_SHIFT) != 0;\r
 548                         irrevent.MouseInput.Control = (keymod & KMOD_CTRL) != 0;\r
 549 \r
 550                         postEventFromUser(irrevent);\r
 551                         break;\r
 552                 }\r
 553                 case SDL_MOUSEWHEEL: {\r
 554                         SDL_Keymod keymod = SDL_GetModState();\r
 555 \r
 556                         irrevent.EventType = irr::EET_MOUSE_INPUT_EVENT;\r
 557                         irrevent.MouseInput.Event = irr::EMIE_MOUSE_WHEEL;\r
 558                         irrevent.MouseInput.Wheel = static_cast<float>(SDL_event.wheel.y);\r
 559                         irrevent.MouseInput.Shift = (keymod & KMOD_SHIFT) != 0;\r
 560                         irrevent.MouseInput.Control = (keymod & KMOD_CTRL) != 0;\r
 561                         irrevent.MouseInput.X = MouseX;\r
 562                         irrevent.MouseInput.Y = MouseY;\r
 563 \r
 564                         postEventFromUser(irrevent);\r
 565                         break;\r
 566                 }\r
 567                 case SDL_MOUSEBUTTONDOWN:\r
 568                 case SDL_MOUSEBUTTONUP: {\r
 569                         SDL_Keymod keymod = SDL_GetModState();\r
 570 \r
 571                         irrevent.EventType = irr::EET_MOUSE_INPUT_EVENT;\r
 572                         irrevent.MouseInput.X = SDL_event.button.x;\r
 573                         irrevent.MouseInput.Y = SDL_event.button.y;\r
 574                         irrevent.MouseInput.Shift = (keymod & KMOD_SHIFT) != 0;\r
 575                         irrevent.MouseInput.Control = (keymod & KMOD_CTRL) != 0;\r
 576 \r
 577                         irrevent.MouseInput.Event = irr::EMIE_MOUSE_MOVED;\r
 578 \r
 579 \r
 580 #ifdef _IRR_EMSCRIPTEN_PLATFORM_\r
 581                         // Handle mouselocking in emscripten in Windowed mode.\r
 582                         // In fullscreen SDL will handle it.\r
 583                         // The behavior we want windowed is - when the canvas was clicked then\r
 584                         // we will lock the mouse-pointer if it should be invisible.\r
 585                         // For security reasons this will be delayed until the next mouse-up event.\r
 586                         // We do not pass on this event as we don't want the activation click to do anything.\r
 587                         if ( SDL_event.type == SDL_MOUSEBUTTONDOWN && !isFullscreen() )\r
 588                         {\r
 589                                 EmscriptenPointerlockChangeEvent pointerlockStatus; // let's hope that test is not expensive ...\r
 590                                 if ( emscripten_get_pointerlock_status(&pointerlockStatus) == EMSCRIPTEN_RESULT_SUCCESS )\r
 591                                 {\r
 592                                         if ( CursorControl->isVisible() && pointerlockStatus.isActive )\r
 593                                         {\r
 594                                                 emscripten_exit_pointerlock();\r
 595                                                 return !Close;\r
 596                                         }\r
 597                                         else if ( !CursorControl->isVisible() && !pointerlockStatus.isActive )\r
 598                                         {\r
 599                                                 emscripten_request_pointerlock(0, true);\r
 600                                                 return !Close;\r
 601                                         }\r
 602                                 }\r
 603                         }\r
 604 #endif\r
 605 \r
 606                         switch(SDL_event.button.button)\r
 607                         {\r
 608                         case SDL_BUTTON_LEFT:\r
 609                                 if (SDL_event.type == SDL_MOUSEBUTTONDOWN)\r
 610                                 {\r
 611                                         irrevent.MouseInput.Event = irr::EMIE_LMOUSE_PRESSED_DOWN;\r
 612                                         MouseButtonStates |= irr::EMBSM_LEFT;\r
 613                                 }\r
 614                                 else\r
 615                                 {\r
 616                                         irrevent.MouseInput.Event = irr::EMIE_LMOUSE_LEFT_UP;\r
 617                                         MouseButtonStates &= ~irr::EMBSM_LEFT;\r
 618                                 }\r
 619                                 break;\r
 620 \r
 621                         case SDL_BUTTON_RIGHT:\r
 622                                 if (SDL_event.type == SDL_MOUSEBUTTONDOWN)\r
 623                                 {\r
 624                                         irrevent.MouseInput.Event = irr::EMIE_RMOUSE_PRESSED_DOWN;\r
 625                                         MouseButtonStates |= irr::EMBSM_RIGHT;\r
 626                                 }\r
 627                                 else\r
 628                                 {\r
 629                                         irrevent.MouseInput.Event = irr::EMIE_RMOUSE_LEFT_UP;\r
 630                                         MouseButtonStates &= ~irr::EMBSM_RIGHT;\r
 631                                 }\r
 632                                 break;\r
 633 \r
 634                         case SDL_BUTTON_MIDDLE:\r
 635                                 if (SDL_event.type == SDL_MOUSEBUTTONDOWN)\r
 636                                 {\r
 637                                         irrevent.MouseInput.Event = irr::EMIE_MMOUSE_PRESSED_DOWN;\r
 638                                         MouseButtonStates |= irr::EMBSM_MIDDLE;\r
 639                                 }\r
 640                                 else\r
 641                                 {\r
 642                                         irrevent.MouseInput.Event = irr::EMIE_MMOUSE_LEFT_UP;\r
 643                                         MouseButtonStates &= ~irr::EMBSM_MIDDLE;\r
 644                                 }\r
 645                                 break;\r
 646                         }\r
 647 \r
 648                         irrevent.MouseInput.ButtonStates = MouseButtonStates;\r
 649 \r
 650                         if (irrevent.MouseInput.Event != irr::EMIE_MOUSE_MOVED)\r
 651                         {\r
 652                                 postEventFromUser(irrevent);\r
 653 \r
 654                                 if ( irrevent.MouseInput.Event >= EMIE_LMOUSE_PRESSED_DOWN && irrevent.MouseInput.Event <= EMIE_MMOUSE_PRESSED_DOWN )\r
 655                                 {\r
 656                                         u32 clicks = checkSuccessiveClicks(irrevent.MouseInput.X, irrevent.MouseInput.Y, irrevent.MouseInput.Event);\r
 657                                         if ( clicks == 2 )\r
 658                                         {\r
 659                                                 irrevent.MouseInput.Event = (EMOUSE_INPUT_EVENT)(EMIE_LMOUSE_DOUBLE_CLICK + irrevent.MouseInput.Event-EMIE_LMOUSE_PRESSED_DOWN);\r
 660                                                 postEventFromUser(irrevent);\r
 661                                         }\r
 662                                         else if ( clicks == 3 )\r
 663                                         {\r
 664                                                 irrevent.MouseInput.Event = (EMOUSE_INPUT_EVENT)(EMIE_LMOUSE_TRIPLE_CLICK + irrevent.MouseInput.Event-EMIE_LMOUSE_PRESSED_DOWN);\r
 665                                                 postEventFromUser(irrevent);\r
 666                                         }\r
 667                                 }\r
 668                         }\r
 669                         break;\r
 670                 }\r
 671 \r
 672                 case SDL_TEXTINPUT:\r
 673                         {\r
 674                                 irrevent.EventType = irr::EET_STRING_INPUT_EVENT;\r
 675                                 irrevent.StringInput.Str = new core::stringw();\r
 676                                 irr::core::multibyteToWString(*irrevent.StringInput.Str, SDL_event.text.text);\r
 677                                 postEventFromUser(irrevent);\r
 678                                 delete irrevent.StringInput.Str;\r
 679                                 irrevent.StringInput.Str = NULL;\r
 680                         }\r
 681                         break;\r
 682 \r
 683                 case SDL_KEYDOWN:\r
 684                 case SDL_KEYUP:\r
 685                         {\r
 686                                 SKeyMap mp;\r
 687                                 mp.SDLKey = SDL_event.key.keysym.sym;\r
 688                                 s32 idx = KeyMap.binary_search(mp);\r
 689 \r
 690                                 EKEY_CODE key;\r
 691                                 if (idx == -1)\r
 692                                         key = (EKEY_CODE)0;\r
 693                                 else\r
 694                                         key = (EKEY_CODE)KeyMap[idx].Win32Key;\r
 695 \r
 696                                 // Make sure to only input special characters if something is in focus, as SDL_TEXTINPUT handles normal unicode already\r
 697                                 if (SDL_IsTextInputActive() && !keyIsKnownSpecial(key) && (SDL_event.key.keysym.mod & KMOD_CTRL) == 0)\r
 698                                         break;\r
 699 \r
 700 #ifdef _IRR_WINDOWS_API_\r
 701                                 // handle alt+f4 in Windows, because SDL seems not to\r
 702                                 if ( (SDL_event.key.keysym.mod & KMOD_LALT) && key == KEY_F4)\r
 703                                 {\r
 704                                         Close = true;\r
 705                                         break;\r
 706                                 }\r
 707 #endif\r
 708                                 irrevent.EventType = irr::EET_KEY_INPUT_EVENT;\r
 709                                 irrevent.KeyInput.Key = key;\r
 710                                 irrevent.KeyInput.PressedDown = (SDL_event.type == SDL_KEYDOWN);\r
 711                                 irrevent.KeyInput.Shift = (SDL_event.key.keysym.mod & KMOD_SHIFT) != 0;\r
 712                                 irrevent.KeyInput.Control = (SDL_event.key.keysym.mod & KMOD_CTRL ) != 0;\r
 713                                 irrevent.KeyInput.Char = findCharToPassToIrrlicht(mp.SDLKey, key);\r
 714                                 postEventFromUser(irrevent);\r
 715                         }\r
 716                         break;\r
 717 \r
 718                 case SDL_QUIT:\r
 719                         Close = true;\r
 720                         break;\r
 721 \r
 722                 case SDL_WINDOWEVENT:\r
 723                         switch (SDL_event.window.event)\r
 724                         {\r
 725                         case SDL_WINDOWEVENT_RESIZED:\r
 726                                 if ((SDL_event.window.data1 != (int)Width) || (SDL_event.window.data2 != (int)Height))\r
 727                                 {\r
 728                                         Width = SDL_event.window.data1;\r
 729                                         Height = SDL_event.window.data2;\r
 730                                         if (VideoDriver)\r
 731                                                 VideoDriver->OnResize(core::dimension2d<u32>(Width, Height));\r
 732                                 }\r
 733                                 break;\r
 734                         }\r
 735 \r
 736                 case SDL_USEREVENT:\r
 737                         irrevent.EventType = irr::EET_USER_EVENT;\r
 738                         irrevent.UserEvent.UserData1 = reinterpret_cast<uintptr_t>(SDL_event.user.data1);\r
 739                         irrevent.UserEvent.UserData2 = reinterpret_cast<uintptr_t>(SDL_event.user.data2);\r
 740 \r
 741                         postEventFromUser(irrevent);\r
 742                         break;\r
 743 \r
 744                 default:\r
 745                         break;\r
 746                 } // end switch\r
 747         resetReceiveTextInputEvents();\r
 748         } // end while\r
 749 \r
 750 #if defined(_IRR_COMPILE_WITH_JOYSTICK_EVENTS_)\r
 751         // TODO: Check if the multiple open/close calls are too expensive, then\r
 752         // open/close in the constructor/destructor instead\r
 753 \r
 754         // update joystick states manually\r
 755         SDL_JoystickUpdate();\r
 756         // we'll always send joystick input events...\r
 757         SEvent joyevent;\r
 758         joyevent.EventType = EET_JOYSTICK_INPUT_EVENT;\r
 759         for (u32 i=0; i<Joysticks.size(); ++i)\r
 760         {\r
 761                 SDL_Joystick* joystick = Joysticks[i];\r
 762                 if (joystick)\r
 763                 {\r
 764                         int j;\r
 765                         // query all buttons\r
 766                         const int numButtons = core::min_(SDL_JoystickNumButtons(joystick), 32);\r
 767                         joyevent.JoystickEvent.ButtonStates=0;\r
 768                         for (j=0; j<numButtons; ++j)\r
 769                                 joyevent.JoystickEvent.ButtonStates |= (SDL_JoystickGetButton(joystick, j)<<j);\r
 770 \r
 771                         // query all axes, already in correct range\r
 772                         const int numAxes = core::min_(SDL_JoystickNumAxes(joystick), (int)SEvent::SJoystickEvent::NUMBER_OF_AXES);\r
 773                         joyevent.JoystickEvent.Axis[SEvent::SJoystickEvent::AXIS_X]=0;\r
 774                         joyevent.JoystickEvent.Axis[SEvent::SJoystickEvent::AXIS_Y]=0;\r
 775                         joyevent.JoystickEvent.Axis[SEvent::SJoystickEvent::AXIS_Z]=0;\r
 776                         joyevent.JoystickEvent.Axis[SEvent::SJoystickEvent::AXIS_R]=0;\r
 777                         joyevent.JoystickEvent.Axis[SEvent::SJoystickEvent::AXIS_U]=0;\r
 778                         joyevent.JoystickEvent.Axis[SEvent::SJoystickEvent::AXIS_V]=0;\r
 779                         for (j=0; j<numAxes; ++j)\r
 780                                 joyevent.JoystickEvent.Axis[j] = SDL_JoystickGetAxis(joystick, j);\r
 781 \r
 782                         // we can only query one hat, SDL only supports 8 directions\r
 783                         if (SDL_JoystickNumHats(joystick)>0)\r
 784                         {\r
 785                                 switch (SDL_JoystickGetHat(joystick, 0))\r
 786                                 {\r
 787                                         case SDL_HAT_UP:\r
 788                                                 joyevent.JoystickEvent.POV=0;\r
 789                                                 break;\r
 790                                         case SDL_HAT_RIGHTUP:\r
 791                                                 joyevent.JoystickEvent.POV=4500;\r
 792                                                 break;\r
 793                                         case SDL_HAT_RIGHT:\r
 794                                                 joyevent.JoystickEvent.POV=9000;\r
 795                                                 break;\r
 796                                         case SDL_HAT_RIGHTDOWN:\r
 797                                                 joyevent.JoystickEvent.POV=13500;\r
 798                                                 break;\r
 799                                         case SDL_HAT_DOWN:\r
 800                                                 joyevent.JoystickEvent.POV=18000;\r
 801                                                 break;\r
 802                                         case SDL_HAT_LEFTDOWN:\r
 803                                                 joyevent.JoystickEvent.POV=22500;\r
 804                                                 break;\r
 805                                         case SDL_HAT_LEFT:\r
 806                                                 joyevent.JoystickEvent.POV=27000;\r
 807                                                 break;\r
 808                                         case SDL_HAT_LEFTUP:\r
 809                                                 joyevent.JoystickEvent.POV=31500;\r
 810                                                 break;\r
 811                                         case SDL_HAT_CENTERED:\r
 812                                         default:\r
 813                                                 joyevent.JoystickEvent.POV=65535;\r
 814                                                 break;\r
 815                                 }\r
 816                         }\r
 817                         else\r
 818                         {\r
 819                                 joyevent.JoystickEvent.POV=65535;\r
 820                         }\r
 821 \r
 822                         // we map the number directly\r
 823                         joyevent.JoystickEvent.Joystick=static_cast<u8>(i);\r
 824                         // now post the event\r
 825                         postEventFromUser(joyevent);\r
 826                         // and close the joystick\r
 827                 }\r
 828         }\r
 829 #endif\r
 830         return !Close;\r
 831 }\r
 832 \r
 833 //! Activate any joysticks, and generate events for them.\r
 834 bool CIrrDeviceSDL::activateJoysticks(core::array<SJoystickInfo> & joystickInfo)\r
 835 {\r
 836 #if defined(_IRR_COMPILE_WITH_JOYSTICK_EVENTS_)\r
 837         joystickInfo.clear();\r
 838 \r
 839         // we can name up to 256 different joysticks\r
 840         const int numJoysticks = core::min_(SDL_NumJoysticks(), 256);\r
 841         Joysticks.reallocate(numJoysticks);\r
 842         joystickInfo.reallocate(numJoysticks);\r
 843 \r
 844         int joystick = 0;\r
 845         for (; joystick<numJoysticks; ++joystick)\r
 846         {\r
 847                 Joysticks.push_back( SDL_JoystickOpen(joystick));\r
 848                 SJoystickInfo info;\r
 849 \r
 850                 info.Joystick = joystick;\r
 851                 info.Axes = SDL_JoystickNumAxes(Joysticks[joystick]);\r
 852                 info.Buttons = SDL_JoystickNumButtons(Joysticks[joystick]);\r
 853                 info.Name = SDL_JoystickName(Joysticks[joystick]);\r
 854                 info.PovHat = (SDL_JoystickNumHats(Joysticks[joystick]) > 0)\r
 855                                                 ? SJoystickInfo::POV_HAT_PRESENT : SJoystickInfo::POV_HAT_ABSENT;\r
 856 \r
 857                 joystickInfo.push_back(info);\r
 858         }\r
 859 \r
 860         for(joystick = 0; joystick < (int)joystickInfo.size(); ++joystick)\r
 861         {\r
 862                 char logString[256];\r
 863                 snprintf_irr(logString, sizeof(logString), "Found joystick %d, %d axes, %d buttons '%s'",\r
 864                         joystick, joystickInfo[joystick].Axes,\r
 865                         joystickInfo[joystick].Buttons, joystickInfo[joystick].Name.c_str());\r
 866                 os::Printer::log(logString, ELL_INFORMATION);\r
 867         }\r
 868 \r
 869         return true;\r
 870 \r
 871 #endif // _IRR_COMPILE_WITH_JOYSTICK_EVENTS_\r
 872 \r
 873         return false;\r
 874 }\r
 875 \r
 876 void CIrrDeviceSDL::SwapWindow()\r
 877 {\r
 878         SDL_GL_SwapWindow(Window);\r
 879 }\r
 880 \r
 881 \r
 882 \r
 883 //! pause execution temporarily\r
 884 void CIrrDeviceSDL::yield()\r
 885 {\r
 886         SDL_Delay(0);\r
 887 }\r
 888 \r
 889 \r
 890 //! pause execution for a specified time\r
 891 void CIrrDeviceSDL::sleep(u32 timeMs, bool pauseTimer)\r
 892 {\r
 893         const bool wasStopped = Timer ? Timer->isStopped() : true;\r
 894         if (pauseTimer && !wasStopped)\r
 895                 Timer->stop();\r
 896 \r
 897         SDL_Delay(timeMs);\r
 898 \r
 899         if (pauseTimer && !wasStopped)\r
 900                 Timer->start();\r
 901 }\r
 902 \r
 903 \r
 904 //! sets the caption of the window\r
 905 void CIrrDeviceSDL::setWindowCaption(const wchar_t* text)\r
 906 {\r
 907         core::stringc textc;\r
 908         core::wStringToMultibyte(textc, text);\r
 909         SDL_SetWindowTitle(Window, textc.c_str());\r
 910 }\r
 911 \r
 912 \r
 913 //! notifies the device that it should close itself\r
 914 void CIrrDeviceSDL::closeDevice()\r
 915 {\r
 916         Close = true;\r
 917 }\r
 918 \r
 919 \r
 920 //! Sets if the window should be resizable in windowed mode.\r
 921 void CIrrDeviceSDL::setResizable(bool resize)\r
 922 {\r
 923 #ifdef _IRR_EMSCRIPTEN_PLATFORM_\r
 924         os::Printer::log("Resizable not available on the web." , ELL_WARNING);\r
 925         return;\r
 926 #else // !_IRR_EMSCRIPTEN_PLATFORM_\r
 927         if (resize != Resizable) {\r
 928                 if (resize)\r
 929                         SDL_Flags |= SDL_WINDOW_RESIZABLE;\r
 930                 else\r
 931                         SDL_Flags &= ~SDL_WINDOW_RESIZABLE;\r
 932 \r
 933                 if (Window) {\r
 934                         SDL_SetWindowResizable(Window, (SDL_bool)resize);\r
 935                 }\r
 936                 Resizable = resize;\r
 937         }\r
 938 #endif // !_IRR_EMSCRIPTEN_PLATFORM_\r
 939 }\r
 940 \r
 941 \r
 942 //! Minimizes window if possible\r
 943 void CIrrDeviceSDL::minimizeWindow()\r
 944 {\r
 945         if (Window)\r
 946                 SDL_MinimizeWindow(Window);\r
 947 }\r
 948 \r
 949 \r
 950 //! Maximize window\r
 951 void CIrrDeviceSDL::maximizeWindow()\r
 952 {\r
 953         if (Window)\r
 954                 SDL_MaximizeWindow(Window);\r
 955 }\r
 956 \r
 957 //! Get the position of this window on screen\r
 958 core::position2di CIrrDeviceSDL::getWindowPosition()\r
 959 {\r
 960     return core::position2di(-1, -1);\r
 961 }\r
 962 \r
 963 \r
 964 //! Restore original window size\r
 965 void CIrrDeviceSDL::restoreWindow()\r
 966 {\r
 967         if (Window)\r
 968                 SDL_RestoreWindow(Window);\r
 969 }\r
 970 \r
 971 bool CIrrDeviceSDL::isWindowMaximized() const\r
 972 {\r
 973         return Window && (SDL_GetWindowFlags(Window) & SDL_WINDOW_MAXIMIZED) != 0;\r
 974 }\r
 975 \r
 976 bool CIrrDeviceSDL::isFullscreen() const\r
 977 {\r
 978 #ifdef _IRR_EMSCRIPTEN_PLATFORM_\r
 979         return SDL_GetWindowFlags(0) == SDL_WINDOW_FULLSCREEN;\r
 980 #else\r
 981 \r
 982         return CIrrDeviceStub::isFullscreen();\r
 983 #endif\r
 984 }\r
 985 \r
 986 \r
 987 //! returns if window is active. if not, nothing need to be drawn\r
 988 bool CIrrDeviceSDL::isWindowActive() const\r
 989 {\r
 990 #ifdef _IRR_EMSCRIPTEN_PLATFORM_\r
 991         // Hidden test only does something in some browsers (when tab in background or window is minimized)\r
 992         // In other browsers code automatically doesn't seem to be called anymore.\r
 993         EmscriptenVisibilityChangeEvent emVisibility;\r
 994         if ( emscripten_get_visibility_status(&emVisibility) == EMSCRIPTEN_RESULT_SUCCESS)\r
 995         {\r
 996                 if ( emVisibility.hidden )\r
 997                         return false;\r
 998         }\r
 999 #endif\r
1000         const u32 windowFlags = SDL_GetWindowFlags(Window);\r
1001         return windowFlags & SDL_WINDOW_SHOWN && windowFlags & SDL_WINDOW_INPUT_FOCUS;\r
1002 }\r
1003 \r
1004 \r
1005 //! returns if window has focus.\r
1006 bool CIrrDeviceSDL::isWindowFocused() const\r
1007 {\r
1008         return Window && (SDL_GetWindowFlags(Window) & SDL_WINDOW_INPUT_FOCUS) != 0;\r
1009 }\r
1010 \r
1011 \r
1012 //! returns if window is minimized.\r
1013 bool CIrrDeviceSDL::isWindowMinimized() const\r
1014 {\r
1015         return Window && (SDL_GetWindowFlags(Window) & SDL_WINDOW_MINIMIZED) != 0;\r
1016 }\r
1017 \r
1018 \r
1019 //! returns color format of the window.\r
1020 video::ECOLOR_FORMAT CIrrDeviceSDL::getColorFormat() const\r
1021 {\r
1022         if (Window)\r
1023         {\r
1024                 SDL_Surface *surface = SDL_GetWindowSurface(Window);\r
1025                 if (surface->format->BitsPerPixel == 16)\r
1026                 {\r
1027                         if (surface->format->Amask != 0)\r
1028                                 return video::ECF_A1R5G5B5;\r
1029                         else\r
1030                                 return video::ECF_R5G6B5;\r
1031                 }\r
1032                 else\r
1033                 {\r
1034                         if (surface->format->Amask != 0)\r
1035                                 return video::ECF_A8R8G8B8;\r
1036                         else\r
1037                                 return video::ECF_R8G8B8;\r
1038                 }\r
1039         }\r
1040         else\r
1041                 return CIrrDeviceStub::getColorFormat();\r
1042 }\r
1043 \r
1044 \r
1045 void CIrrDeviceSDL::createKeyMap()\r
1046 {\r
1047         // I don't know if this is the best method  to create\r
1048         // the lookuptable, but I'll leave it like that until\r
1049         // I find a better version.\r
1050 \r
1051         KeyMap.reallocate(105);\r
1052 \r
1053         // buttons missing\r
1054 \r
1055         KeyMap.push_back(SKeyMap(SDLK_BACKSPACE, KEY_BACK));\r
1056         KeyMap.push_back(SKeyMap(SDLK_TAB, KEY_TAB));\r
1057         KeyMap.push_back(SKeyMap(SDLK_CLEAR, KEY_CLEAR));\r
1058         KeyMap.push_back(SKeyMap(SDLK_RETURN, KEY_RETURN));\r
1059 \r
1060         // combined modifiers missing\r
1061 \r
1062         KeyMap.push_back(SKeyMap(SDLK_PAUSE, KEY_PAUSE));\r
1063         KeyMap.push_back(SKeyMap(SDLK_CAPSLOCK, KEY_CAPITAL));\r
1064 \r
1065         // asian letter keys missing\r
1066 \r
1067         KeyMap.push_back(SKeyMap(SDLK_ESCAPE, KEY_ESCAPE));\r
1068 \r
1069         // asian letter keys missing\r
1070 \r
1071         KeyMap.push_back(SKeyMap(SDLK_SPACE, KEY_SPACE));\r
1072         KeyMap.push_back(SKeyMap(SDLK_PAGEUP, KEY_PRIOR));\r
1073         KeyMap.push_back(SKeyMap(SDLK_PAGEDOWN, KEY_NEXT));\r
1074         KeyMap.push_back(SKeyMap(SDLK_END, KEY_END));\r
1075         KeyMap.push_back(SKeyMap(SDLK_HOME, KEY_HOME));\r
1076         KeyMap.push_back(SKeyMap(SDLK_LEFT, KEY_LEFT));\r
1077         KeyMap.push_back(SKeyMap(SDLK_UP, KEY_UP));\r
1078         KeyMap.push_back(SKeyMap(SDLK_RIGHT, KEY_RIGHT));\r
1079         KeyMap.push_back(SKeyMap(SDLK_DOWN, KEY_DOWN));\r
1080 \r
1081         // select missing\r
1082         KeyMap.push_back(SKeyMap(SDLK_PRINTSCREEN, KEY_PRINT));\r
1083         // execute missing\r
1084         KeyMap.push_back(SKeyMap(SDLK_PRINTSCREEN, KEY_SNAPSHOT));\r
1085 \r
1086         KeyMap.push_back(SKeyMap(SDLK_INSERT, KEY_INSERT));\r
1087         KeyMap.push_back(SKeyMap(SDLK_DELETE, KEY_DELETE));\r
1088         KeyMap.push_back(SKeyMap(SDLK_HELP, KEY_HELP));\r
1089 \r
1090         KeyMap.push_back(SKeyMap(SDLK_0, KEY_KEY_0));\r
1091         KeyMap.push_back(SKeyMap(SDLK_1, KEY_KEY_1));\r
1092         KeyMap.push_back(SKeyMap(SDLK_2, KEY_KEY_2));\r
1093         KeyMap.push_back(SKeyMap(SDLK_3, KEY_KEY_3));\r
1094         KeyMap.push_back(SKeyMap(SDLK_4, KEY_KEY_4));\r
1095         KeyMap.push_back(SKeyMap(SDLK_5, KEY_KEY_5));\r
1096         KeyMap.push_back(SKeyMap(SDLK_6, KEY_KEY_6));\r
1097         KeyMap.push_back(SKeyMap(SDLK_7, KEY_KEY_7));\r
1098         KeyMap.push_back(SKeyMap(SDLK_8, KEY_KEY_8));\r
1099         KeyMap.push_back(SKeyMap(SDLK_9, KEY_KEY_9));\r
1100 \r
1101         KeyMap.push_back(SKeyMap(SDLK_a, KEY_KEY_A));\r
1102         KeyMap.push_back(SKeyMap(SDLK_b, KEY_KEY_B));\r
1103         KeyMap.push_back(SKeyMap(SDLK_c, KEY_KEY_C));\r
1104         KeyMap.push_back(SKeyMap(SDLK_d, KEY_KEY_D));\r
1105         KeyMap.push_back(SKeyMap(SDLK_e, KEY_KEY_E));\r
1106         KeyMap.push_back(SKeyMap(SDLK_f, KEY_KEY_F));\r
1107         KeyMap.push_back(SKeyMap(SDLK_g, KEY_KEY_G));\r
1108         KeyMap.push_back(SKeyMap(SDLK_h, KEY_KEY_H));\r
1109         KeyMap.push_back(SKeyMap(SDLK_i, KEY_KEY_I));\r
1110         KeyMap.push_back(SKeyMap(SDLK_j, KEY_KEY_J));\r
1111         KeyMap.push_back(SKeyMap(SDLK_k, KEY_KEY_K));\r
1112         KeyMap.push_back(SKeyMap(SDLK_l, KEY_KEY_L));\r
1113         KeyMap.push_back(SKeyMap(SDLK_m, KEY_KEY_M));\r
1114         KeyMap.push_back(SKeyMap(SDLK_n, KEY_KEY_N));\r
1115         KeyMap.push_back(SKeyMap(SDLK_o, KEY_KEY_O));\r
1116         KeyMap.push_back(SKeyMap(SDLK_p, KEY_KEY_P));\r
1117         KeyMap.push_back(SKeyMap(SDLK_q, KEY_KEY_Q));\r
1118         KeyMap.push_back(SKeyMap(SDLK_r, KEY_KEY_R));\r
1119         KeyMap.push_back(SKeyMap(SDLK_s, KEY_KEY_S));\r
1120         KeyMap.push_back(SKeyMap(SDLK_t, KEY_KEY_T));\r
1121         KeyMap.push_back(SKeyMap(SDLK_u, KEY_KEY_U));\r
1122         KeyMap.push_back(SKeyMap(SDLK_v, KEY_KEY_V));\r
1123         KeyMap.push_back(SKeyMap(SDLK_w, KEY_KEY_W));\r
1124         KeyMap.push_back(SKeyMap(SDLK_x, KEY_KEY_X));\r
1125         KeyMap.push_back(SKeyMap(SDLK_y, KEY_KEY_Y));\r
1126         KeyMap.push_back(SKeyMap(SDLK_z, KEY_KEY_Z));\r
1127 \r
1128         KeyMap.push_back(SKeyMap(SDLK_LGUI, KEY_LWIN));\r
1129         KeyMap.push_back(SKeyMap(SDLK_RGUI, KEY_RWIN));\r
1130         // apps missing\r
1131         KeyMap.push_back(SKeyMap(SDLK_POWER, KEY_SLEEP)); //??\r
1132 \r
1133         KeyMap.push_back(SKeyMap(SDLK_KP_0, KEY_NUMPAD0));\r
1134         KeyMap.push_back(SKeyMap(SDLK_KP_1, KEY_NUMPAD1));\r
1135         KeyMap.push_back(SKeyMap(SDLK_KP_2, KEY_NUMPAD2));\r
1136         KeyMap.push_back(SKeyMap(SDLK_KP_3, KEY_NUMPAD3));\r
1137         KeyMap.push_back(SKeyMap(SDLK_KP_4, KEY_NUMPAD4));\r
1138         KeyMap.push_back(SKeyMap(SDLK_KP_5, KEY_NUMPAD5));\r
1139         KeyMap.push_back(SKeyMap(SDLK_KP_6, KEY_NUMPAD6));\r
1140         KeyMap.push_back(SKeyMap(SDLK_KP_7, KEY_NUMPAD7));\r
1141         KeyMap.push_back(SKeyMap(SDLK_KP_8, KEY_NUMPAD8));\r
1142         KeyMap.push_back(SKeyMap(SDLK_KP_9, KEY_NUMPAD9));\r
1143         KeyMap.push_back(SKeyMap(SDLK_KP_MULTIPLY, KEY_MULTIPLY));\r
1144         KeyMap.push_back(SKeyMap(SDLK_KP_PLUS, KEY_ADD));\r
1145 //      KeyMap.push_back(SKeyMap(SDLK_KP_, KEY_SEPARATOR));\r
1146         KeyMap.push_back(SKeyMap(SDLK_KP_MINUS, KEY_SUBTRACT));\r
1147         KeyMap.push_back(SKeyMap(SDLK_KP_PERIOD, KEY_DECIMAL));\r
1148         KeyMap.push_back(SKeyMap(SDLK_KP_DIVIDE, KEY_DIVIDE));\r
1149 \r
1150         KeyMap.push_back(SKeyMap(SDLK_F1,  KEY_F1));\r
1151         KeyMap.push_back(SKeyMap(SDLK_F2,  KEY_F2));\r
1152         KeyMap.push_back(SKeyMap(SDLK_F3,  KEY_F3));\r
1153         KeyMap.push_back(SKeyMap(SDLK_F4,  KEY_F4));\r
1154         KeyMap.push_back(SKeyMap(SDLK_F5,  KEY_F5));\r
1155         KeyMap.push_back(SKeyMap(SDLK_F6,  KEY_F6));\r
1156         KeyMap.push_back(SKeyMap(SDLK_F7,  KEY_F7));\r
1157         KeyMap.push_back(SKeyMap(SDLK_F8,  KEY_F8));\r
1158         KeyMap.push_back(SKeyMap(SDLK_F9,  KEY_F9));\r
1159         KeyMap.push_back(SKeyMap(SDLK_F10, KEY_F10));\r
1160         KeyMap.push_back(SKeyMap(SDLK_F11, KEY_F11));\r
1161         KeyMap.push_back(SKeyMap(SDLK_F12, KEY_F12));\r
1162         KeyMap.push_back(SKeyMap(SDLK_F13, KEY_F13));\r
1163         KeyMap.push_back(SKeyMap(SDLK_F14, KEY_F14));\r
1164         KeyMap.push_back(SKeyMap(SDLK_F15, KEY_F15));\r
1165         // no higher F-keys\r
1166 \r
1167         KeyMap.push_back(SKeyMap(SDLK_NUMLOCKCLEAR, KEY_NUMLOCK));\r
1168         KeyMap.push_back(SKeyMap(SDLK_SCROLLLOCK, KEY_SCROLL));\r
1169         KeyMap.push_back(SKeyMap(SDLK_LSHIFT, KEY_LSHIFT));\r
1170         KeyMap.push_back(SKeyMap(SDLK_RSHIFT, KEY_RSHIFT));\r
1171         KeyMap.push_back(SKeyMap(SDLK_LCTRL,  KEY_LCONTROL));\r
1172         KeyMap.push_back(SKeyMap(SDLK_RCTRL,  KEY_RCONTROL));\r
1173         KeyMap.push_back(SKeyMap(SDLK_LALT,  KEY_LMENU));\r
1174         KeyMap.push_back(SKeyMap(SDLK_RALT,  KEY_RMENU));\r
1175 \r
1176         KeyMap.push_back(SKeyMap(SDLK_PLUS,   KEY_PLUS));\r
1177         KeyMap.push_back(SKeyMap(SDLK_COMMA,  KEY_COMMA));\r
1178         KeyMap.push_back(SKeyMap(SDLK_MINUS,  KEY_MINUS));\r
1179         KeyMap.push_back(SKeyMap(SDLK_PERIOD, KEY_PERIOD));\r
1180 \r
1181         // some special keys missing\r
1182 \r
1183         KeyMap.sort();\r
1184 }\r
1185 \r
1186 void CIrrDeviceSDL::CCursorControl::initCursors()\r
1187 {\r
1188         Cursors.reserve(gui::ECI_COUNT);\r
1189 \r
1190         Cursors.emplace_back(SDL_CreateSystemCursor(SDL_SYSTEM_CURSOR_ARROW));     // ECI_NORMAL\r
1191         Cursors.emplace_back(SDL_CreateSystemCursor(SDL_SYSTEM_CURSOR_CROSSHAIR)); // ECI_CROSS\r
1192         Cursors.emplace_back(SDL_CreateSystemCursor(SDL_SYSTEM_CURSOR_HAND));      // ECI_HAND\r
1193         Cursors.emplace_back(nullptr);                                             // ECI_HELP\r
1194         Cursors.emplace_back(SDL_CreateSystemCursor(SDL_SYSTEM_CURSOR_IBEAM));     // ECI_IBEAM\r
1195         Cursors.emplace_back(SDL_CreateSystemCursor(SDL_SYSTEM_CURSOR_NO));        // ECI_NO\r
1196         Cursors.emplace_back(SDL_CreateSystemCursor(SDL_SYSTEM_CURSOR_WAIT));      // ECI_WAIT\r
1197         Cursors.emplace_back(SDL_CreateSystemCursor(SDL_SYSTEM_CURSOR_SIZEALL));   // ECI_SIZEALL\r
1198         Cursors.emplace_back(SDL_CreateSystemCursor(SDL_SYSTEM_CURSOR_SIZENESW));  // ECI_SIZENESW\r
1199         Cursors.emplace_back(SDL_CreateSystemCursor(SDL_SYSTEM_CURSOR_SIZENWSE));  // ECI_SIZENWSE\r
1200         Cursors.emplace_back(SDL_CreateSystemCursor(SDL_SYSTEM_CURSOR_SIZENS));    // ECI_SIZENS\r
1201         Cursors.emplace_back(SDL_CreateSystemCursor(SDL_SYSTEM_CURSOR_SIZEWE));    // ECI_SIZEWE\r
1202         Cursors.emplace_back(nullptr);                                             // ECI_UP\r
1203 }\r
1204 \r
1205 } // end namespace irr\r
1206 \r
1207 #endif // _IRR_COMPILE_WITH_SDL_DEVICE_\r
1208 \r