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