vid_agl.c

   1 /*
   2         vid_agl.c
   3
   4         Mac OS X OpenGL and input module, using Carbon and AGL
   5
   6         Copyright (C) 2005-2006  Mathieu Olivier
   7
   8         This program is free software; you can redistribute it and/or modify
   9         it under the terms of the GNU General Public License as published by
  10         the Free Software Foundation; either version 2 of the License, or
  11         (at your option) any later version.
  12
  13         This program is distributed in the hope that it will be useful,
  14         but WITHOUT ANY WARRANTY; without even the implied warranty of
  15         MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16         GNU General Public License for more details.
  17
  18         You should have received a copy of the GNU General Public License
  19         along with this program; if not, write to the Free Software
  20         Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  21 */
  22
  23
  24 #include <dlfcn.h>
  25 #include <signal.h>
  26 #include <AGL/agl.h>
  27 #include <Carbon/Carbon.h>
  28 #include "quakedef.h"
  29
  30
  31 // Tell startup code that we have a client
  32 int cl_available = true;
  33
  34 qboolean vid_supportrefreshrate = true;
  35
  36 // AGL prototypes
  37 AGLPixelFormat (*qaglChoosePixelFormat) (const AGLDevice *gdevs, GLint ndev, const GLint *attribList);
  38 AGLContext (*qaglCreateContext) (AGLPixelFormat pix, AGLContext share);
  39 GLboolean (*qaglDestroyContext) (AGLContext ctx);
  40 void (*qaglDestroyPixelFormat) (AGLPixelFormat pix);
  41 const GLubyte* (*qaglErrorString) (GLenum code);
  42 GLenum (*qaglGetError) (void);
  43 GLboolean (*qaglSetCurrentContext) (AGLContext ctx);
  44 GLboolean (*qaglSetDrawable) (AGLContext ctx, AGLDrawable draw);
  45 GLboolean (*qaglSetFullScreen) (AGLContext ctx, GLsizei width, GLsizei height, GLsizei freq, GLint device);
  46 GLboolean (*qaglSetInteger) (AGLContext ctx, GLenum pname, const GLint *params);
  47 void (*qaglSwapBuffers) (AGLContext ctx);
  48
  49 static qboolean mouse_avail = true;
  50 static qboolean vid_usingmouse = false;
  51 static float mouse_x, mouse_y;
  52
  53 static qboolean vid_isfullscreen = false;
  54 static qboolean vid_usingvsync = false;
  55
  56 static qboolean sound_active = true;
  57
  58 static int scr_width, scr_height;
  59
  60 static AGLContext context;
  61 static WindowRef window;
  62
  63
  64 void VID_GetWindowSize (int *x, int *y, int *width, int *height)
  65 {
  66         *x = *y = 0;
  67         *width = scr_width;
  68         *height = scr_height;
  69 }
  70
  71 static void IN_Activate( qboolean grab )
  72 {
  73         if (grab)
  74         {
  75                 if (!vid_usingmouse && mouse_avail && window)
  76                 {
  77                         Rect winBounds;
  78                         CGPoint winCenter;
  79
  80                         SelectWindow(window);
  81                         CGDisplayHideCursor(CGMainDisplayID());
  82
  83                         // Put the mouse cursor at the center of the window
  84                         GetWindowBounds (window, kWindowContentRgn, &winBounds);
  85                         winCenter.x = (winBounds.left + winBounds.right) / 2;
  86                         winCenter.y = (winBounds.top + winBounds.bottom) / 2;
  87                         CGWarpMouseCursorPosition(winCenter);
  88
  89                         // Lock the mouse pointer at its current position
  90                         CGAssociateMouseAndMouseCursorPosition(false);
  91
  92                         mouse_x = mouse_y = 0;
  93                         vid_usingmouse = true;
  94                 }
  95         }
  96         else
  97         {
  98                 if (vid_usingmouse)
  99                 {
 100                         CGAssociateMouseAndMouseCursorPosition(true);
 101                         CGDisplayShowCursor(CGMainDisplayID());
 102
 103                         vid_usingmouse = false;
 104                 }
 105         }
 106 }
 107
 108 #define GAMMA_TABLE_SIZE 256
 109 void VID_Finish (qboolean allowmousegrab)
 110 {
 111         qboolean vid_usemouse;
 112         qboolean vid_usevsync;
 113
 114         // handle the mouse state when windowed if that's changed
 115         vid_usemouse = false;
 116         if (allowmousegrab && vid_mouse.integer && !key_consoleactive && (key_dest != key_game || !cls.demoplayback))
 117                 vid_usemouse = true;
 118         if (!vid_activewindow)
 119                 vid_usemouse = false;
 120         if (vid_isfullscreen)
 121                 vid_usemouse = true;
 122         IN_Activate(vid_usemouse);
 123
 124         // handle changes of the vsync option
 125         vid_usevsync = (vid_vsync.integer && !cls.timedemo);
 126         if (vid_usingvsync != vid_usevsync)
 127         {
 128                 GLint sync = (vid_usevsync ? 1 : 0);
 129
 130                 if (qaglSetInteger(context, AGL_SWAP_INTERVAL, &sync) == GL_TRUE)
 131                 {
 132                         vid_usingvsync = vid_usevsync;
 133                         Con_DPrintf("Vsync %s\n", vid_usevsync ? "activated" : "deactivated");
 134                 }
 135                 else
 136                         Con_Printf("ERROR: can't %s vsync\n", vid_usevsync ? "activate" : "deactivate");
 137         }
 138
 139         if (r_render.integer)
 140         {
 141                 CHECKGLERROR
 142                 if (r_speeds.integer || gl_finish.integer)
 143                 {
 144                         qglFinish();CHECKGLERROR
 145                 }
 146                 qaglSwapBuffers(context);
 147         }
 148         VID_UpdateGamma(false, GAMMA_TABLE_SIZE);
 149 }
 150
 151 int VID_SetGamma(unsigned short *ramps, int rampsize)
 152 {
 153         CGGammaValue table_red [GAMMA_TABLE_SIZE];
 154         CGGammaValue table_green [GAMMA_TABLE_SIZE];
 155         CGGammaValue table_blue [GAMMA_TABLE_SIZE];
 156         int i;
 157
 158         // Convert the unsigned short table into 3 float tables
 159         for (i = 0; i < rampsize; i++)
 160                 table_red[i] = (float)ramps[i] / 65535.0f;
 161         for (i = 0; i < rampsize; i++)
 162                 table_green[i] = (float)ramps[i + rampsize] / 65535.0f;
 163         for (i = 0; i < rampsize; i++)
 164                 table_blue[i] = (float)ramps[i + 2 * rampsize] / 65535.0f;
 165
 166         if (CGSetDisplayTransferByTable(CGMainDisplayID(), rampsize, table_red, table_green, table_blue) != CGDisplayNoErr)
 167         {
 168                 Con_Print("VID_SetGamma: ERROR: CGSetDisplayTransferByTable failed!\n");
 169                 return false;
 170         }
 171
 172         return true;
 173 }
 174
 175 int VID_GetGamma(unsigned short *ramps, int rampsize)
 176 {
 177         CGGammaValue table_red [GAMMA_TABLE_SIZE];
 178         CGGammaValue table_green [GAMMA_TABLE_SIZE];
 179         CGGammaValue table_blue [GAMMA_TABLE_SIZE];
 180         CGTableCount actualsize = 0;
 181         int i;
 182
 183         // Get the gamma ramps from the system
 184         if (CGGetDisplayTransferByTable(CGMainDisplayID(), rampsize, table_red, table_green, table_blue, &actualsize) != CGDisplayNoErr)
 185         {
 186                 Con_Print("VID_GetGamma: ERROR: CGGetDisplayTransferByTable failed!\n");
 187                 return false;
 188         }
 189         if (actualsize != (unsigned int)rampsize)
 190         {
 191                 Con_Printf("VID_GetGamma: ERROR: invalid gamma table size (%u != %u)\n", actualsize, rampsize);
 192                 return false;
 193         }
 194
 195         // Convert the 3 float tables into 1 unsigned short table
 196         for (i = 0; i < rampsize; i++)
 197                 ramps[i] = table_red[i] * 65535.0f;
 198         for (i = 0; i < rampsize; i++)
 199                 ramps[i + rampsize] = table_green[i] * 65535.0f;
 200         for (i = 0; i < rampsize; i++)
 201                 ramps[i + 2 * rampsize] = table_blue[i] * 65535.0f;
 202
 203         return true;
 204 }
 205
 206 void signal_handler(int sig)
 207 {
 208         printf("Received signal %d, exiting...\n", sig);
 209         VID_RestoreSystemGamma();
 210         Sys_Quit();
 211         exit(0);
 212 }
 213
 214 void InitSig(void)
 215 {
 216         signal(SIGHUP, signal_handler);
 217         signal(SIGINT, signal_handler);
 218         signal(SIGQUIT, signal_handler);
 219         signal(SIGILL, signal_handler);
 220         signal(SIGTRAP, signal_handler);
 221         signal(SIGIOT, signal_handler);
 222         signal(SIGBUS, signal_handler);
 223         signal(SIGFPE, signal_handler);
 224         signal(SIGSEGV, signal_handler);
 225         signal(SIGTERM, signal_handler);
 226 }
 227
 228 void VID_Init(void)
 229 {
 230         InitSig(); // trap evil signals
 231 // COMMANDLINEOPTION: Input: -nomouse disables mouse support (see also vid_mouse cvar)
 232         if (COM_CheckParm ("-nomouse") || COM_CheckParm("-safe"))
 233                 mouse_avail = false;
 234 }
 235
 236 static void *prjobj = NULL;
 237
 238 static void GL_CloseLibrary(void)
 239 {
 240         if (prjobj)
 241                 dlclose(prjobj);
 242         prjobj = NULL;
 243         gl_driver[0] = 0;
 244         gl_extensions = "";
 245         gl_platform = "";
 246         gl_platformextensions = "";
 247 }
 248
 249 static int GL_OpenLibrary(void)
 250 {
 251         const char *name = "/System/Library/Frameworks/AGL.framework/AGL";
 252
 253         Con_Printf("Loading OpenGL driver %s\n", name);
 254         GL_CloseLibrary();
 255         if (!(prjobj = dlopen(name, RTLD_LAZY)))
 256         {
 257                 Con_Printf("Unable to open symbol list for %s\n", name);
 258                 return false;
 259         }
 260         strcpy(gl_driver, name);
 261         return true;
 262 }
 263
 264 void *GL_GetProcAddress(const char *name)
 265 {
 266         return dlsym(prjobj, name);
 267 }
 268
 269 void VID_Shutdown(void)
 270 {
 271         if (context == NULL && window == NULL)
 272                 return;
 273
 274         IN_Activate(false);
 275         VID_RestoreSystemGamma();
 276
 277         if (context != NULL)
 278         {
 279                 qaglDestroyContext(context);
 280                 context = NULL;
 281         }
 282
 283         if (vid_isfullscreen)
 284                 CGReleaseAllDisplays();
 285
 286         if (window != NULL)
 287         {
 288                 DisposeWindow(window);
 289                 window = NULL;
 290         }
 291
 292         vid_hidden = true;
 293         vid_isfullscreen = false;
 294
 295         GL_CloseLibrary();
 296         Key_ClearStates ();
 297 }
 298
 299 // Since the event handler can be called at any time, we store the events for later processing
 300 static qboolean AsyncEvent_Quitting = false;
 301 static qboolean AsyncEvent_Collapsed = false;
 302 static OSStatus MainWindowEventHandler (EventHandlerCallRef nextHandler, EventRef event, void *userData)
 303 {
 304         OSStatus err = noErr;
 305
 306         switch (GetEventKind (event))
 307         {
 308                 case kEventWindowClosed:
 309                         AsyncEvent_Quitting = true;
 310                         break;
 311
 312                 // Docked (start)
 313                 case kEventWindowCollapsing:
 314                         AsyncEvent_Collapsed = true;
 315                         break;
 316
 317                 // Undocked / restored (end)
 318                 case kEventWindowExpanded:
 319                         AsyncEvent_Collapsed = false;
 320                         break;
 321
 322                 default:
 323                         err = eventNotHandledErr;
 324                         break;
 325         }
 326
 327         return err;
 328 }
 329
 330 static void VID_AppFocusChanged(qboolean windowIsActive)
 331 {
 332         if (vid_activewindow != windowIsActive)
 333         {
 334                 vid_activewindow = windowIsActive;
 335                 if (!vid_activewindow)
 336                         VID_RestoreSystemGamma();
 337         }
 338
 339         if (sound_active != windowIsActive)
 340         {
 341                 sound_active = windowIsActive;
 342                 if (sound_active)
 343                         S_UnblockSound ();
 344                 else
 345                         S_BlockSound ();
 346         }
 347 }
 348
 349 static void VID_ProcessPendingAsyncEvents (void)
 350 {
 351         // Collapsed / expanded
 352         if (AsyncEvent_Collapsed != vid_hidden)
 353         {
 354                 vid_hidden = !vid_hidden;
 355                 VID_AppFocusChanged(!vid_hidden);
 356         }
 357
 358         // Closed
 359         if (AsyncEvent_Quitting)
 360                 Sys_Quit();
 361 }
 362
 363 static void VID_BuildAGLAttrib(GLint *attrib, qboolean stencil, qboolean fullscreen)
 364 {
 365         *attrib++ = AGL_RGBA;
 366         *attrib++ = AGL_RED_SIZE;*attrib++ = 1;
 367         *attrib++ = AGL_GREEN_SIZE;*attrib++ = 1;
 368         *attrib++ = AGL_BLUE_SIZE;*attrib++ = 1;
 369         *attrib++ = AGL_DOUBLEBUFFER;
 370         *attrib++ = AGL_DEPTH_SIZE;*attrib++ = 1;
 371
 372         // if stencil is enabled, ask for alpha too
 373         if (stencil)
 374         {
 375                 *attrib++ = AGL_STENCIL_SIZE;*attrib++ = 8;
 376                 *attrib++ = AGL_ALPHA_SIZE;*attrib++ = 1;
 377         }
 378         if (fullscreen)
 379                 *attrib++ = AGL_FULLSCREEN;
 380         *attrib++ = AGL_NONE;
 381 }
 382
 383 int VID_InitMode(int fullscreen, int width, int height, int bpp, int refreshrate)
 384 {
 385     const EventTypeSpec winEvents[] =
 386         {
 387                 { kEventClassWindow, kEventWindowClosed },
 388                 { kEventClassWindow, kEventWindowCollapsing },
 389                 { kEventClassWindow, kEventWindowExpanded },
 390         };
 391         OSStatus carbonError;
 392         Rect windowBounds;
 393         CFStringRef windowTitle;
 394         AGLPixelFormat pixelFormat;
 395         GLint attributes [32];
 396         GLenum error;
 397
 398         if (!GL_OpenLibrary())
 399         {
 400                 Con_Printf("Unable to load GL driver\n");
 401                 return false;
 402         }
 403
 404         if ((qaglChoosePixelFormat = (AGLPixelFormat (*) (const AGLDevice *gdevs, GLint ndev, const GLint *attribList))GL_GetProcAddress("aglChoosePixelFormat")) == NULL
 405          || (qaglCreateContext = (AGLContext (*) (AGLPixelFormat pix, AGLContext share))GL_GetProcAddress("aglCreateContext")) == NULL
 406          || (qaglDestroyContext = (GLboolean (*) (AGLContext ctx))GL_GetProcAddress("aglDestroyContext")) == NULL
 407          || (qaglDestroyPixelFormat = (void (*) (AGLPixelFormat pix))GL_GetProcAddress("aglDestroyPixelFormat")) == NULL
 408          || (qaglErrorString = (const GLubyte* (*) (GLenum code))GL_GetProcAddress("aglErrorString")) == NULL
 409          || (qaglGetError = (GLenum (*) (void))GL_GetProcAddress("aglGetError")) == NULL
 410          || (qaglSetCurrentContext = (GLboolean (*) (AGLContext ctx))GL_GetProcAddress("aglSetCurrentContext")) == NULL
 411          || (qaglSetDrawable = (GLboolean (*) (AGLContext ctx, AGLDrawable draw))GL_GetProcAddress("aglSetDrawable")) == NULL
 412          || (qaglSetFullScreen = (GLboolean (*) (AGLContext ctx, GLsizei width, GLsizei height, GLsizei freq, GLint device))GL_GetProcAddress("aglSetFullScreen")) == NULL
 413          || (qaglSetInteger = (GLboolean (*) (AGLContext ctx, GLenum pname, const GLint *params))GL_GetProcAddress("aglSetInteger")) == NULL
 414          || (qaglSwapBuffers = (void (*) (AGLContext ctx))GL_GetProcAddress("aglSwapBuffers")) == NULL
 415         )
 416         {
 417                 Con_Printf("AGL functions not found\n");
 418                 ReleaseWindow(window);
 419                 return false;
 420         }
 421
 422         // Ignore the events from the previous window
 423         AsyncEvent_Quitting = false;
 424         AsyncEvent_Collapsed = false;
 425
 426         // Create the window, a bit towards the center of the screen
 427         windowBounds.left = 100;
 428         windowBounds.top = 100;
 429         windowBounds.right = width + 100;
 430         windowBounds.bottom = height + 100;
 431         carbonError = CreateNewWindow(kDocumentWindowClass, kWindowStandardFloatingAttributes | kWindowStandardHandlerAttribute, &windowBounds, &window);
 432         if (carbonError != noErr || window == NULL)
 433         {
 434                 Con_Printf("Unable to create window (error %d)\n", carbonError);
 435                 return false;
 436         }
 437
 438         // Set the window title
 439         windowTitle = CFSTR("DarkPlaces AGL");
 440         SetWindowTitleWithCFString(window, windowTitle);
 441
 442         // Install the callback function for the window events we can't get
 443         // through ReceiveNextEvent (i.e. close, collapse, and expand)
 444         InstallWindowEventHandler (window, NewEventHandlerUPP (MainWindowEventHandler),
 445                                                            GetEventTypeCount(winEvents), winEvents, window, NULL);
 446
 447         // Create the desired attribute list
 448         VID_BuildAGLAttrib(attributes, bpp == 32, fullscreen);
 449
 450         if (!fullscreen)
 451         {
 452                 // Output to Window
 453                 pixelFormat = qaglChoosePixelFormat(NULL, 0, attributes);
 454                 error = qaglGetError();
 455                 if (error != AGL_NO_ERROR)
 456                 {
 457                         Con_Printf("qaglChoosePixelFormat FAILED: %s\n",
 458                                         (char *)qaglErrorString(error));
 459                         ReleaseWindow(window);
 460                         return false;
 461                 }
 462         }
 463         else  // Output is fullScreen
 464         {
 465                 CGDirectDisplayID mainDisplay;
 466                 CFDictionaryRef refDisplayMode;
 467                 GDHandle gdhDisplay;
 468
 469                 // Get the mainDisplay and set resolution to current
 470                 mainDisplay = CGMainDisplayID();
 471                 CGDisplayCapture(mainDisplay);
 472
 473                 // TOCHECK: not sure whether or not it's necessary to change the resolution
 474                 // "by hand", or if aglSetFullscreen does the job anyway
 475                 refDisplayMode = CGDisplayBestModeForParametersAndRefreshRate(mainDisplay, bpp, width, height, refreshrate, NULL);
 476                 CGDisplaySwitchToMode(mainDisplay, refDisplayMode);
 477                 DMGetGDeviceByDisplayID((DisplayIDType)mainDisplay, &gdhDisplay, false);
 478
 479                 // Set pixel format with built attribs
 480                 // Note: specifying a device is *required* for AGL_FullScreen
 481                 pixelFormat = qaglChoosePixelFormat(&gdhDisplay, 1, attributes);
 482                 error = qaglGetError();
 483                 if (error != AGL_NO_ERROR)
 484                 {
 485                         Con_Printf("qaglChoosePixelFormat FAILED: %s\n",
 486                                                 (char *)qaglErrorString(error));
 487                         ReleaseWindow(window);
 488                         return false;
 489                 }
 490         }
 491
 492         // Create a context using the pform
 493         context = qaglCreateContext(pixelFormat, NULL);
 494         error = qaglGetError();
 495         if (error != AGL_NO_ERROR)
 496         {
 497                 Con_Printf("qaglCreateContext FAILED: %s\n",
 498                                         (char *)qaglErrorString(error));
 499         }
 500
 501         // Make the context the current one ('enable' it)
 502         qaglSetCurrentContext(context);
 503         error = qaglGetError();
 504         if (error != AGL_NO_ERROR)
 505         {
 506                 Con_Printf("qaglSetCurrentContext FAILED: %s\n",
 507                                         (char *)qaglErrorString(error));
 508                 ReleaseWindow(window);
 509                 return false;
 510         }
 511
 512         // Discard pform
 513         qaglDestroyPixelFormat(pixelFormat);
 514
 515         // Attempt fullscreen if requested
 516         if (fullscreen)
 517         {
 518                 qaglSetFullScreen (context, width, height, refreshrate, 0);
 519                 error = qaglGetError();
 520                 if (error != AGL_NO_ERROR)
 521                 {
 522                         Con_Printf("qaglSetFullScreen FAILED: %s\n",
 523                                                 (char *)qaglErrorString(error));
 524                         return false;
 525                 }
 526         }
 527         else
 528         {
 529                 // Set Window as Drawable
 530                 qaglSetDrawable(context, GetWindowPort(window));
 531                 error = qaglGetError();
 532                 if (error != AGL_NO_ERROR)
 533                 {
 534                         Con_Printf("qaglSetDrawable FAILED: %s\n",
 535                                                 (char *)qaglErrorString(error));
 536                         ReleaseWindow(window);
 537                         return false;
 538                 }
 539         }
 540
 541         scr_width = width;
 542         scr_height = height;
 543
 544         if ((qglGetString = (const GLubyte* (GLAPIENTRY *)(GLenum name))GL_GetProcAddress("glGetString")) == NULL)
 545                 Sys_Error("glGetString not found in %s", gl_driver);
 546
 547         gl_renderer = (const char *)qglGetString(GL_RENDERER);
 548         gl_vendor = (const char *)qglGetString(GL_VENDOR);
 549         gl_version = (const char *)qglGetString(GL_VERSION);
 550         gl_extensions = (const char *)qglGetString(GL_EXTENSIONS);
 551         gl_platform = "AGL";
 552         gl_videosyncavailable = true;
 553
 554         vid_isfullscreen = fullscreen;
 555         vid_usingmouse = false;
 556         vid_hidden = false;
 557         vid_activewindow = true;
 558         sound_active = true;
 559         GL_Init();
 560
 561         SelectWindow(window);
 562         ShowWindow(window);
 563
 564         return true;
 565 }
 566
 567 static void Handle_KeyMod(UInt32 keymod)
 568 {
 569         const struct keymod_to_event_s { UInt32 keybit; keynum_t event; } keymod_events [] =
 570         {
 571                 { cmdKey,                                               K_AUX1 },
 572                 { shiftKey,                                             K_SHIFT },
 573                 { alphaLock,                                    K_CAPSLOCK },
 574                 { optionKey,                                    K_ALT },
 575                 { controlKey,                                   K_CTRL },
 576                 { kEventKeyModifierNumLockMask, K_NUMLOCK },
 577                 { kEventKeyModifierFnMask,              K_AUX2 }
 578         };
 579         static UInt32 prev_keymod = 0;
 580         unsigned int i;
 581         UInt32 modChanges;
 582
 583         modChanges = prev_keymod ^ keymod;
 584         if (modChanges == 0)
 585                 return;
 586
 587         for (i = 0; i < sizeof(keymod_events) / sizeof(keymod_events[0]); i++)
 588         {
 589                 UInt32 keybit = keymod_events[i].keybit;
 590
 591                 if ((modChanges & keybit) != 0)
 592                         Key_Event(keymod_events[i].event, '\0', (keymod & keybit) != 0);
 593         }
 594
 595         prev_keymod = keymod;
 596 }
 597
 598 static void Handle_Key(unsigned char charcode, qboolean keypressed)
 599 {
 600         unsigned int keycode = 0;
 601         char ascii = '\0';
 602
 603         switch (charcode)
 604         {
 605                 case kHomeCharCode:
 606                         keycode = K_HOME;
 607                         break;
 608                 case kEnterCharCode:
 609                         keycode = K_KP_ENTER;
 610                         break;
 611                 case kEndCharCode:
 612                         keycode = K_END;
 613                         break;
 614                 case kBackspaceCharCode:
 615                         keycode = K_BACKSPACE;
 616                         break;
 617                 case kTabCharCode:
 618                         keycode = K_TAB;
 619                         break;
 620                 case kPageUpCharCode:
 621                         keycode = K_PGUP;
 622                         break;
 623                 case kPageDownCharCode:
 624                         keycode = K_PGDN;
 625                         break;
 626                 case kReturnCharCode:
 627                         keycode = K_ENTER;
 628                         break;
 629                 case kEscapeCharCode:
 630                         keycode = K_ESCAPE;
 631                         break;
 632                 case kLeftArrowCharCode:
 633                         keycode = K_LEFTARROW;
 634                         break;
 635                 case kRightArrowCharCode:
 636                         keycode = K_RIGHTARROW;
 637                         break;
 638                 case kUpArrowCharCode:
 639                         keycode = K_UPARROW;
 640                         break;
 641                 case kDownArrowCharCode :
 642                         keycode = K_DOWNARROW;
 643                         break;
 644                 case kDeleteCharCode:
 645                         keycode = K_DEL;
 646                         break;
 647                 case 0:
 648                 case 191:
 649                         // characters 0 and 191 are sent by the mouse buttons (?!)
 650                         break;
 651                 default:
 652                         if ('A' <= charcode && charcode <= 'Z')
 653                         {
 654                                 keycode = charcode + ('a' - 'A');  // lowercase it
 655                                 ascii = charcode;
 656                         }
 657                         else if (charcode >= 32)
 658                         {
 659                                 keycode = charcode;
 660                                 ascii = charcode;
 661                         }
 662                         else
 663                                 Con_Printf(">> UNKNOWN charcode: %d <<\n", charcode);
 664         }
 665
 666         if (keycode != 0)
 667                 Key_Event(keycode, ascii, keypressed);
 668 }
 669
 670 void Sys_SendKeyEvents(void)
 671 {
 672         EventRef theEvent;
 673         EventTargetRef theTarget;
 674
 675         // Start by processing the asynchronous events we received since the previous frame
 676         VID_ProcessPendingAsyncEvents();
 677
 678         theTarget = GetEventDispatcherTarget();
 679         while (ReceiveNextEvent(0, NULL, kEventDurationNoWait, true, &theEvent) == noErr)
 680         {
 681                 UInt32 eventClass = GetEventClass(theEvent);
 682                 UInt32 eventKind = GetEventKind(theEvent);
 683
 684                 switch (eventClass)
 685                 {
 686                         case kEventClassMouse:
 687                         {
 688                                 EventMouseButton theButton;
 689                                 int key;
 690
 691                                 switch (eventKind)
 692                                 {
 693                                         case kEventMouseDown:
 694                                         case kEventMouseUp:
 695                                                 GetEventParameter(theEvent, kEventParamMouseButton, typeMouseButton, NULL, sizeof(theButton), NULL, &theButton);
 696                                                 switch (theButton)
 697                                                 {
 698                                                         default:
 699                                                         case kEventMouseButtonPrimary:
 700                                                                 key = K_MOUSE1;
 701                                                                 break;
 702                                                         case kEventMouseButtonSecondary:
 703                                                                 key = K_MOUSE2;
 704                                                                 break;
 705                                                         case kEventMouseButtonTertiary:
 706                                                                 key = K_MOUSE3;
 707                                                                 break;
 708                                                 }
 709                                                 Key_Event(key, '\0', eventKind == kEventMouseDown);
 710                                                 break;
 711
 712                                         // Note: These two events are mutual exclusives
 713                                         // Treat MouseDragged in the same statement, so we don't block MouseMoved while a mousebutton is held
 714                                         case kEventMouseMoved:
 715                                         case kEventMouseDragged:
 716                                         {
 717                                                 HIPoint deltaPos;
 718
 719                                                 GetEventParameter(theEvent, kEventParamMouseDelta, typeHIPoint, NULL, sizeof(deltaPos), NULL, &deltaPos);
 720
 721                                                 mouse_x += deltaPos.x;
 722                                                 mouse_y += deltaPos.y;
 723                                                 break;
 724                                         }
 725
 726                                         case kEventMouseWheelMoved:
 727                                         {
 728                                                 SInt32 delta;
 729                                                 unsigned int wheelEvent;
 730
 731                                                 GetEventParameter(theEvent, kEventParamMouseWheelDelta, typeSInt32, NULL, sizeof(delta), NULL, &delta);
 732
 733                                                 wheelEvent = (delta > 0) ? K_MWHEELUP : K_MWHEELDOWN;
 734                                                 Key_Event(wheelEvent, 0, true);
 735                                                 Key_Event(wheelEvent, 0, false);
 736                                                 break;
 737                                         }
 738
 739                                         default:
 740                                                 Con_Printf (">> kEventClassMouse (UNKNOWN eventKind: %d) <<\n", eventKind);
 741                                                 break;
 742                                 }
 743                         }
 744
 745                         case kEventClassKeyboard:
 746                         {
 747                                 char keycode;
 748
 749                                 switch (eventKind)
 750                                 {
 751                                         case kEventRawKeyDown:
 752                                                 GetEventParameter(theEvent, kEventParamKeyMacCharCodes, typeChar, NULL, sizeof(keycode), NULL, &keycode);
 753                                                 Handle_Key(keycode, true);
 754                                                 break;
 755
 756                                         case kEventRawKeyRepeat:
 757                                                 break;
 758
 759                                         case kEventRawKeyUp:
 760                                                 GetEventParameter(theEvent, kEventParamKeyMacCharCodes, typeChar, NULL, sizeof(keycode), NULL, &keycode);
 761                                                 Handle_Key(keycode, false);
 762                                                 break;
 763
 764                                         case kEventRawKeyModifiersChanged:
 765                                         {
 766                                                 UInt32 keymod = 0;
 767                                                 GetEventParameter(theEvent, kEventParamKeyModifiers, typeUInt32, NULL, sizeof(keymod), NULL, &keymod);
 768                                                 Handle_KeyMod(keymod);
 769                                                 break;
 770                                         }
 771
 772                                         case kEventHotKeyPressed:
 773                                                 break;
 774
 775                                         case kEventHotKeyReleased:
 776                                                 break;
 777
 778                                         case kEventMouseWheelMoved:
 779                                                 break;
 780
 781                                         default:
 782                                                 Con_Printf (">> kEventClassKeyboard (UNKNOWN eventKind: %d) <<\n", eventKind);
 783                                                 break;
 784                                 }
 785                                 break;
 786                         }
 787
 788                         case kEventClassTextInput:
 789                                 Con_Printf(">> kEventClassTextInput (%d) <<\n", eventKind);
 790                                 break;
 791
 792                         case kEventClassApplication:
 793                                 switch (eventKind)
 794                                 {
 795                                         case kEventAppActivated :
 796                                                 VID_AppFocusChanged(true);
 797                                                 break;
 798                                         case kEventAppDeactivated:
 799                                                 VID_AppFocusChanged(false);
 800                                                 break;
 801                                         case kEventAppQuit:
 802                                                 Sys_Quit();
 803                                                 break;
 804                                         case kEventAppActiveWindowChanged:
 805                                                 break;
 806                                         default:
 807                                                 Con_Printf(">> kEventClassApplication (UNKNOWN eventKind: %d) <<\n", eventKind);
 808                                                 break;
 809                                 }
 810                                 break;
 811
 812                         case kEventClassAppleEvent:
 813                                 switch (eventKind)
 814                                 {
 815                                         case kEventAppleEvent :
 816                                                 break;
 817                                         default:
 818                                                 Con_Printf(">> kEventClassAppleEvent (UNKNOWN eventKind: %d) <<\n", eventKind);
 819                                                 break;
 820                                 }
 821                                 break;
 822
 823                         case kEventClassWindow:
 824                                 switch (eventKind)
 825                                 {
 826                                         case kEventWindowUpdate :
 827                                                 break;
 828                                         default:
 829                                                 Con_Printf(">> kEventClassWindow (UNKNOWN eventKind: %d) <<\n", eventKind);
 830                                                 break;
 831                                 }
 832                                 break;
 833
 834                         case kEventClassControl:
 835                                 break;
 836
 837                         default:
 838                                 /*Con_Printf(">> UNKNOWN eventClass: %c%c%c%c, eventKind: %d <<\n",
 839                                                         eventClass >> 24, (eventClass >> 16) & 0xFF,
 840                                                         (eventClass >> 8) & 0xFF, eventClass & 0xFF,
 841                                                         eventKind);*/
 842                                 break;
 843                 }
 844
 845                 SendEventToEventTarget (theEvent, theTarget);
 846                 ReleaseEvent(theEvent);
 847         }
 848 }
 849
 850 void IN_Move (void)
 851 {
 852         if (mouse_avail)
 853         {
 854                 in_mouse_x = mouse_x;
 855                 in_mouse_y = mouse_y;
 856         }
 857         mouse_x = 0;
 858         mouse_y = 0;
 859 }