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