dlls/x11drv/mouse.c

   1 /*
   2  * X11 mouse driver
   3  *
   4  * Copyright 1998 Ulrich Weigand
   5  *
   6  * This library is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU Lesser General Public
   8  * License as published by the Free Software Foundation; either
   9  * version 2.1 of the License, or (at your option) any later version.
  10  *
  11  * This library is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * Lesser General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Lesser General Public
  17  * License along with this library; if not, write to the Free Software
  18  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  19  */
  20
  21 #include "config.h"
  22
  23 #include <X11/Xlib.h>
  24 #ifdef HAVE_LIBXXF86DGA2
  25 #include <X11/extensions/xf86dga.h>
  26 #endif
  27 #include <stdarg.h>
  28
  29 #define NONAMELESSUNION
  30 #define NONAMELESSSTRUCT
  31 #include "windef.h"
  32 #include "winbase.h"
  33 #include "wine/winuser16.h"
  34
  35 #include "x11drv.h"
  36 #include "wine/debug.h"
  37
  38 WINE_DEFAULT_DEBUG_CHANNEL(cursor);
  39
  40 /**********************************************************************/
  41
  42 #define NB_BUTTONS   5     /* Windows can handle 3 buttons and the wheel too */
  43
  44 static const UINT button_down_flags[NB_BUTTONS] =
  45 {
  46     MOUSEEVENTF_LEFTDOWN,
  47     MOUSEEVENTF_MIDDLEDOWN,
  48     MOUSEEVENTF_RIGHTDOWN,
  49     MOUSEEVENTF_WHEEL,
  50     MOUSEEVENTF_WHEEL
  51 };
  52
  53 static const UINT button_up_flags[NB_BUTTONS] =
  54 {
  55     MOUSEEVENTF_LEFTUP,
  56     MOUSEEVENTF_MIDDLEUP,
  57     MOUSEEVENTF_RIGHTUP,
  58     0,
  59     0
  60 };
  61
  62 static BYTE *pKeyStateTable;
  63
  64
  65 /***********************************************************************
  66  *              get_coords
  67  *
  68  * get the coordinates of a mouse event
  69  */
  70 static void get_coords( HWND *hwnd, Window window, int x, int y, POINT *pt )
  71 {
  72     struct x11drv_win_data *data;
  73     WND *win;
  74
  75     if (!(win = WIN_GetPtr( *hwnd )) || win == WND_OTHER_PROCESS) return;
  76     data = win->pDriverData;
  77
  78     if (window == data->whole_window)
  79     {
  80         x -= data->client_rect.left;
  81         y -= data->client_rect.top;
  82     }
  83     WIN_ReleasePtr( win );
  84
  85     pt->x = x;
  86     pt->y = y;
  87     if (*hwnd != GetDesktopWindow())
  88     {
  89         ClientToScreen( *hwnd, pt );
  90         *hwnd = GetAncestor( *hwnd, GA_ROOT );
  91     }
  92 }
  93
  94
  95 /***********************************************************************
  96  *              update_button_state
  97  *
  98  * Update the button state with what X provides us
  99  */
 100 static void update_button_state( unsigned int state )
 101 {
 102     pKeyStateTable[VK_LBUTTON] = (state & Button1Mask ? 0x80 : 0);
 103     pKeyStateTable[VK_MBUTTON] = (state & Button2Mask ? 0x80 : 0);
 104     pKeyStateTable[VK_RBUTTON] = (state & Button3Mask ? 0x80 : 0);
 105 }
 106
 107
 108 /***********************************************************************
 109  *              update_key_state
 110  *
 111  * Update the key state with what X provides us
 112  */
 113 static void update_key_state( unsigned int state )
 114 {
 115     pKeyStateTable[VK_SHIFT]   = (state & ShiftMask   ? 0x80 : 0);
 116     pKeyStateTable[VK_CONTROL] = (state & ControlMask ? 0x80 : 0);
 117 }
 118
 119
 120 /***********************************************************************
 121  *              send_mouse_event
 122  */
 123 static void send_mouse_event( HWND hwnd, DWORD flags, DWORD posX, DWORD posY,
 124                               DWORD data, Time time )
 125 {
 126     INPUT input;
 127
 128     TRACE("(%04lX,%ld,%ld)\n", flags, posX, posY );
 129
 130     if (flags & MOUSEEVENTF_ABSOLUTE)
 131     {
 132         int width  = GetSystemMetrics( SM_CXSCREEN );
 133         int height = GetSystemMetrics( SM_CYSCREEN );
 134         /* Relative mouse movements seem not to be scaled as absolute ones */
 135         posX = (((long)posX << 16) + width-1)  / width;
 136         posY = (((long)posY << 16) + height-1) / height;
 137     }
 138
 139     input.type             = WINE_INTERNAL_INPUT_MOUSE;
 140     input.u.mi.dx          = posX;
 141     input.u.mi.dy          = posY;
 142     input.u.mi.mouseData   = data;
 143     input.u.mi.dwFlags     = flags;
 144     input.u.mi.time        = time - X11DRV_server_startticks;
 145     input.u.mi.dwExtraInfo = (ULONG_PTR)hwnd;
 146     SendInput( 1, &input, sizeof(input) );
 147 }
 148
 149
 150 /***********************************************************************
 151  *              update_cursor
 152  *
 153  * Update the cursor of a window on a mouse event.
 154  */
 155 static void update_cursor( HWND hwnd, Window win )
 156 {
 157     struct x11drv_thread_data *data = x11drv_thread_data();
 158
 159     if (win == X11DRV_get_client_window( hwnd ))
 160         win = X11DRV_get_whole_window( hwnd );  /* always set cursor on whole window */
 161
 162     if (data->cursor_window != win)
 163     {
 164         data->cursor_window = win;
 165         wine_tsx11_lock();
 166         if (data->cursor) XDefineCursor( data->display, win, data->cursor );
 167         wine_tsx11_unlock();
 168     }
 169 }
 170
 171
 172 /***********************************************************************
 173  *              create_cursor
 174  *
 175  * Create an X cursor from a Windows one.
 176  */
 177 static Cursor create_cursor( Display *display, CURSORICONINFO *ptr )
 178 {
 179     Pixmap pixmapBits, pixmapMask, pixmapMaskInv, pixmapAll;
 180     XColor fg, bg;
 181     Cursor cursor = None;
 182
 183     if (!ptr)  /* Create an empty cursor */
 184     {
 185         static const char data[] = { 0 };
 186
 187         bg.red = bg.green = bg.blue = 0x0000;
 188         pixmapBits = XCreateBitmapFromData( display, root_window, data, 1, 1 );
 189         if (pixmapBits)
 190         {
 191             cursor = XCreatePixmapCursor( display, pixmapBits, pixmapBits,
 192                                           &bg, &bg, 0, 0 );
 193             XFreePixmap( display, pixmapBits );
 194         }
 195     }
 196     else  /* Create the X cursor from the bits */
 197     {
 198         XImage *image;
 199         GC gc;
 200
 201         TRACE("Bitmap %dx%d planes=%d bpp=%d bytesperline=%d\n",
 202             ptr->nWidth, ptr->nHeight, ptr->bPlanes, ptr->bBitsPerPixel,
 203             ptr->nWidthBytes);
 204         /* Create a pixmap and transfer all the bits to it */
 205
 206         /* NOTE: Following hack works, but only because XFree depth
 207          *       1 images really use 1 bit/pixel (and so the same layout
 208          *       as the Windows cursor data). Perhaps use a more generic
 209          *       algorithm here.
 210          */
 211         /* This pixmap will be written with two bitmaps. The first is
 212          *  the mask and the second is the image.
 213          */
 214         if (!(pixmapAll = XCreatePixmap( display, root_window,
 215                   ptr->nWidth, ptr->nHeight * 2, 1 )))
 216             return 0;
 217         if (!(image = XCreateImage( display, visual,
 218                 1, ZPixmap, 0, (char *)(ptr + 1), ptr->nWidth,
 219                 ptr->nHeight * 2, 16, ptr->nWidthBytes/ptr->bBitsPerPixel)))
 220         {
 221             XFreePixmap( display, pixmapAll );
 222             return 0;
 223         }
 224         gc = XCreateGC( display, pixmapAll, 0, NULL );
 225         XSetGraphicsExposures( display, gc, False );
 226         image->byte_order = MSBFirst;
 227         image->bitmap_bit_order = MSBFirst;
 228         image->bitmap_unit = 16;
 229         _XInitImageFuncPtrs(image);
 230         if (ptr->bPlanes * ptr->bBitsPerPixel == 1)
 231         {
 232             /* A plain old white on black cursor. */
 233             fg.red = fg.green = fg.blue = 0xffff;
 234             bg.red = bg.green = bg.blue = 0x0000;
 235             XPutImage( display, pixmapAll, gc, image,
 236                 0, 0, 0, 0, ptr->nWidth, ptr->nHeight * 2 );
 237         }
 238         else
 239         {
 240             int     rbits, gbits, bbits, red, green, blue;
 241             int     rfg, gfg, bfg, rbg, gbg, bbg;
 242             int     rscale, gscale, bscale;
 243             int     x, y, xmax, ymax, bitIndex, byteIndex, xorIndex;
 244             unsigned char *theMask, *theImage, theChar;
 245             int     threshold, fgBits, bgBits, bitShifted;
 246             BYTE    pXorBits[128];   /* Up to 32x32 icons */
 247
 248             switch (ptr->bBitsPerPixel)
 249             {
 250             case 24:
 251                 rbits = 8;
 252                 gbits = 8;
 253                 bbits = 8;
 254                 threshold = 0x40;
 255                 break;
 256             case 16:
 257                 rbits = 5;
 258                 gbits = 6;
 259                 bbits = 5;
 260                 threshold = 0x40;
 261                 break;
 262             default:
 263                 FIXME("Currently no support for cursors with %d bits per pixel\n",
 264                   ptr->bBitsPerPixel);
 265                 XFreePixmap( display, pixmapAll );
 266                 XFreeGC( display, gc );
 267                 image->data = NULL;
 268                 XDestroyImage( image );
 269                 return 0;
 270             }
 271             /* The location of the mask. */
 272             theMask = (char *)(ptr + 1);
 273             /* The mask should still be 1 bit per pixel. The color image
 274              * should immediately follow the mask.
 275              */
 276             theImage = &theMask[ptr->nWidth/8 * ptr->nHeight];
 277             rfg = gfg = bfg = rbg = gbg = bbg = 0;
 278             bitIndex = 0;
 279             byteIndex = 0;
 280             xorIndex = 0;
 281             fgBits = 0;
 282             bitShifted = 0x01;
 283             xmax = (ptr->nWidth > 32) ? 32 : ptr->nWidth;
 284             if (ptr->nWidth > 32) {
 285                 ERR("Got a %dx%d cursor. Cannot handle larger than 32x32.\n",
 286                   ptr->nWidth, ptr->nHeight);
 287             }
 288             ymax = (ptr->nHeight > 32) ? 32 : ptr->nHeight;
 289
 290             memset(pXorBits, 0, 128);
 291             for (y=0; y<ymax; y++)
 292             {
 293                 for (x=0; x<xmax; x++)
 294                 {
 295                         red = green = blue = 0;
 296                         switch (ptr->bBitsPerPixel)
 297                         {
 298                         case 24:
 299                             theChar = theImage[byteIndex++];
 300                             blue = theChar;
 301                             theChar = theImage[byteIndex++];
 302                             green = theChar;
 303                             theChar = theImage[byteIndex++];
 304                             red = theChar;
 305                             break;
 306                         case 16:
 307                             theChar = theImage[byteIndex++];
 308                             blue = theChar & 0x1F;
 309                             green = (theChar & 0xE0) >> 5;
 310                             theChar = theImage[byteIndex++];
 311                             green |= (theChar & 0x07) << 3;
 312                             red = (theChar & 0xF8) >> 3;
 313                             break;
 314                         }
 315
 316                     if (red+green+blue > threshold)
 317                     {
 318                         rfg += red;
 319                         gfg += green;
 320                         bfg += blue;
 321                         fgBits++;
 322                         pXorBits[xorIndex] |= bitShifted;
 323                     }
 324                     else
 325                     {
 326                         rbg += red;
 327                         gbg += green;
 328                         bbg += blue;
 329                     }
 330                     if (x%8 == 7)
 331                     {
 332                         bitShifted = 0x01;
 333                         xorIndex++;
 334                     }
 335                     else
 336                         bitShifted = bitShifted << 1;
 337                 }
 338             }
 339             rscale = 1 << (16 - rbits);
 340             gscale = 1 << (16 - gbits);
 341             bscale = 1 << (16 - bbits);
 342             if (fgBits)
 343             {
 344                 fg.red   = rfg * rscale / fgBits;
 345                 fg.green = gfg * gscale / fgBits;
 346                 fg.blue  = bfg * bscale / fgBits;
 347             }
 348             else fg.red = fg.green = fg.blue = 0;
 349             bgBits = xmax * ymax - fgBits;
 350             if (bgBits)
 351             {
 352                 bg.red   = rbg * rscale / bgBits;
 353                 bg.green = gbg * gscale / bgBits;
 354                 bg.blue  = bbg * bscale / bgBits;
 355             }
 356             else bg.red = bg.green = bg.blue = 0;
 357             pixmapBits = XCreateBitmapFromData( display, root_window, pXorBits, xmax, ymax );
 358             if (!pixmapBits)
 359             {
 360                 XFreePixmap( display, pixmapAll );
 361                 XFreeGC( display, gc );
 362                 image->data = NULL;
 363                 XDestroyImage( image );
 364                 return 0;
 365             }
 366
 367             /* Put the mask. */
 368             XPutImage( display, pixmapAll, gc, image,
 369                    0, 0, 0, 0, ptr->nWidth, ptr->nHeight );
 370             XSetFunction( display, gc, GXcopy );
 371             /* Put the image */
 372             XCopyArea( display, pixmapBits, pixmapAll, gc,
 373                        0, 0, xmax, ymax, 0, ptr->nHeight );
 374             XFreePixmap( display, pixmapBits );
 375         }
 376         image->data = NULL;
 377         XDestroyImage( image );
 378
 379         /* Now create the 2 pixmaps for bits and mask */
 380
 381         pixmapBits = XCreatePixmap( display, root_window, ptr->nWidth, ptr->nHeight, 1 );
 382         pixmapMask = XCreatePixmap( display, root_window, ptr->nWidth, ptr->nHeight, 1 );
 383         pixmapMaskInv = XCreatePixmap( display, root_window, ptr->nWidth, ptr->nHeight, 1 );
 384
 385         /* Make sure everything went OK so far */
 386
 387         if (pixmapBits && pixmapMask && pixmapMaskInv)
 388         {
 389             POINT hotspot;
 390
 391             /* We have to do some magic here, as cursors are not fully
 392              * compatible between Windows and X11. Under X11, there
 393              * are only 3 possible color cursor: black, white and
 394              * masked. So we map the 4th Windows color (invert the
 395              * bits on the screen) to black and an additional white bit on
 396              * an other place (+1,+1). This require some boolean arithmetic:
 397              *
 398              *         Windows          |          X11
 399              * And    Xor      Result   |   Bits     Mask     Result
 400              *  0      0     black      |    0        1     background
 401              *  0      1     white      |    1        1     foreground
 402              *  1      0     no change  |    X        0     no change
 403              *  1      1     inverted   |    0        1     background
 404              *
 405              * which gives:
 406              *  Bits = not 'And' and 'Xor' or 'And2' and 'Xor2'
 407              *  Mask = not 'And' or 'Xor' or 'And2' and 'Xor2'
 408              *
 409              * FIXME: apparently some servers do support 'inverted' color.
 410              * I don't know if it's correct per the X spec, but maybe
 411              * we ought to take advantage of it.  -- AJ
 412              */
 413             XSetFunction( display, gc, GXcopy );
 414             XCopyArea( display, pixmapAll, pixmapBits, gc,
 415                        0, 0, ptr->nWidth, ptr->nHeight, 0, 0 );
 416             XCopyArea( display, pixmapAll, pixmapMask, gc,
 417                        0, 0, ptr->nWidth, ptr->nHeight, 0, 0 );
 418             XCopyArea( display, pixmapAll, pixmapMaskInv, gc,
 419                        0, 0, ptr->nWidth, ptr->nHeight, 0, 0 );
 420             XSetFunction( display, gc, GXand );
 421             XCopyArea( display, pixmapAll, pixmapMaskInv, gc,
 422                        0, ptr->nHeight, ptr->nWidth, ptr->nHeight, 0, 0 );
 423             XSetFunction( display, gc, GXandReverse );
 424             XCopyArea( display, pixmapAll, pixmapBits, gc,
 425                        0, ptr->nHeight, ptr->nWidth, ptr->nHeight, 0, 0 );
 426             XSetFunction( display, gc, GXorReverse );
 427             XCopyArea( display, pixmapAll, pixmapMask, gc,
 428                        0, ptr->nHeight, ptr->nWidth, ptr->nHeight, 0, 0 );
 429             /* Additional white */
 430             XSetFunction( display, gc, GXor );
 431             XCopyArea( display, pixmapMaskInv, pixmapMask, gc,
 432                        0, 0, ptr->nWidth, ptr->nHeight, 1, 1 );
 433             XCopyArea( display, pixmapMaskInv, pixmapBits, gc,
 434                        0, 0, ptr->nWidth, ptr->nHeight, 1, 1 );
 435             XSetFunction( display, gc, GXcopy );
 436
 437             /* Make sure hotspot is valid */
 438             hotspot.x = ptr->ptHotSpot.x;
 439             hotspot.y = ptr->ptHotSpot.y;
 440             if (hotspot.x < 0 || hotspot.x >= ptr->nWidth ||
 441                 hotspot.y < 0 || hotspot.y >= ptr->nHeight)
 442             {
 443                 hotspot.x = ptr->nWidth / 2;
 444                 hotspot.y = ptr->nHeight / 2;
 445             }
 446             cursor = XCreatePixmapCursor( display, pixmapBits, pixmapMask,
 447                                           &fg, &bg, hotspot.x, hotspot.y );
 448         }
 449
 450         /* Now free everything */
 451
 452         if (pixmapAll) XFreePixmap( display, pixmapAll );
 453         if (pixmapBits) XFreePixmap( display, pixmapBits );
 454         if (pixmapMask) XFreePixmap( display, pixmapMask );
 455         if (pixmapMaskInv) XFreePixmap( display, pixmapMaskInv );
 456         XFreeGC( display, gc );
 457     }
 458     return cursor;
 459 }
 460
 461
 462 /***********************************************************************
 463  *              SetCursor (X11DRV.@)
 464  */
 465 void X11DRV_SetCursor( CURSORICONINFO *lpCursor )
 466 {
 467     Cursor cursor;
 468
 469     if (root_window != DefaultRootWindow(gdi_display))
 470     {
 471         /* If in desktop mode, set the cursor on the desktop window */
 472
 473         wine_tsx11_lock();
 474         cursor = create_cursor( gdi_display, lpCursor );
 475         if (cursor)
 476         {
 477             XDefineCursor( gdi_display, root_window, cursor );
 478             /* Make the change take effect immediately */
 479             XFlush(gdi_display);
 480             XFreeCursor( gdi_display, cursor );
 481         }
 482         wine_tsx11_unlock();
 483     }
 484     else /* set the same cursor for all top-level windows of the current thread */
 485     {
 486         struct x11drv_thread_data *data = x11drv_thread_data();
 487
 488         wine_tsx11_lock();
 489         cursor = create_cursor( data->display, lpCursor );
 490         if (cursor)
 491         {
 492             if (data->cursor) XFreeCursor( data->display, data->cursor );
 493             data->cursor = cursor;
 494             if (data->cursor_window)
 495             {
 496                 XDefineCursor( data->display, data->cursor_window, cursor );
 497                 /* Make the change take effect immediately */
 498                 XFlush( data->display );
 499             }
 500         }
 501         wine_tsx11_unlock();
 502     }
 503 }
 504
 505 /***********************************************************************
 506  *              SetCursorPos (X11DRV.@)
 507  */
 508 void X11DRV_SetCursorPos( INT x, INT y )
 509 {
 510     Display *display = thread_display();
 511
 512     TRACE( "warping to (%d,%d)\n", x, y );
 513
 514     wine_tsx11_lock();
 515     XWarpPointer( display, root_window, root_window, 0, 0, 0, 0, x, y );
 516     XFlush( display ); /* just in case */
 517     wine_tsx11_unlock();
 518 }
 519
 520 /***********************************************************************
 521  *              GetCursorPos (X11DRV.@)
 522  */
 523 void X11DRV_GetCursorPos(LPPOINT pos)
 524 {
 525   Display *display = thread_display();
 526   Window root, child;
 527   int rootX, rootY, winX, winY;
 528   unsigned int xstate;
 529
 530   wine_tsx11_lock();
 531   if (XQueryPointer( display, root_window, &root, &child,
 532                      &rootX, &rootY, &winX, &winY, &xstate ))
 533   {
 534       update_key_state( xstate );
 535       update_button_state( xstate );
 536       TRACE("pointer at (%d,%d)\n", winX, winY );
 537       pos->x = winX;
 538       pos->y = winY;
 539   }
 540   wine_tsx11_unlock();
 541 }
 542
 543 /***********************************************************************
 544  *              InitMouse (X11DRV.@)
 545  */
 546 void X11DRV_InitMouse( BYTE *key_state_table )
 547 {
 548     pKeyStateTable = key_state_table;
 549 }
 550
 551
 552 /***********************************************************************
 553  *           X11DRV_ButtonPress
 554  */
 555 void X11DRV_ButtonPress( HWND hwnd, XButtonEvent *event )
 556 {
 557     int buttonNum = event->button - 1;
 558     WORD wData = 0;
 559     POINT pt;
 560
 561     if (buttonNum >= NB_BUTTONS) return;
 562     if (!hwnd) return;
 563
 564     update_cursor( hwnd, event->window );
 565     get_coords( &hwnd, event->window, event->x, event->y, &pt );
 566
 567     switch (buttonNum)
 568     {
 569     case 3:
 570         wData = WHEEL_DELTA;
 571         break;
 572     case 4:
 573         wData = -WHEEL_DELTA;
 574         break;
 575     }
 576     update_key_state( event->state );
 577     send_mouse_event( hwnd, button_down_flags[buttonNum] | MOUSEEVENTF_ABSOLUTE,
 578                       pt.x, pt.y, wData, event->time );
 579 }
 580
 581
 582 /***********************************************************************
 583  *           X11DRV_ButtonRelease
 584  */
 585 void X11DRV_ButtonRelease( HWND hwnd, XButtonEvent *event )
 586 {
 587     int buttonNum = event->button - 1;
 588     POINT pt;
 589
 590     if (buttonNum >= NB_BUTTONS || !button_up_flags[buttonNum]) return;
 591     if (!hwnd) return;
 592
 593     update_cursor( hwnd, event->window );
 594     get_coords( &hwnd, event->window, event->x, event->y, &pt );
 595     update_key_state( event->state );
 596     send_mouse_event( hwnd, button_up_flags[buttonNum] | MOUSEEVENTF_ABSOLUTE,
 597                       pt.x, pt.y, 0, event->time );
 598 }
 599
 600
 601 /***********************************************************************
 602  *           X11DRV_MotionNotify
 603  */
 604 void X11DRV_MotionNotify( HWND hwnd, XMotionEvent *event )
 605 {
 606     POINT pt;
 607
 608     if (!hwnd) return;
 609
 610     update_cursor( hwnd, event->window );
 611     get_coords( &hwnd, event->window, event->x, event->y, &pt );
 612     update_key_state( event->state );
 613     send_mouse_event( hwnd, MOUSEEVENTF_MOVE | MOUSEEVENTF_ABSOLUTE,
 614                       pt.x, pt.y, 0, event->time );
 615 }
 616
 617
 618 /***********************************************************************
 619  *           X11DRV_EnterNotify
 620  */
 621 void X11DRV_EnterNotify( HWND hwnd, XCrossingEvent *event )
 622 {
 623     POINT pt;
 624
 625     if (event->detail == NotifyVirtual || event->detail == NotifyNonlinearVirtual) return;
 626     if (!hwnd) return;
 627
 628     /* simulate a mouse motion event */
 629     update_cursor( hwnd, event->window );
 630     get_coords( &hwnd, event->window, event->x, event->y, &pt );
 631     update_key_state( event->state );
 632     send_mouse_event( hwnd, MOUSEEVENTF_MOVE | MOUSEEVENTF_ABSOLUTE,
 633                       pt.x, pt.y, 0, event->time );
 634 }
 635
 636
 637 #ifdef HAVE_LIBXXF86DGA2
 638 /**********************************************************************
 639  *              X11DRV_DGAMotionEvent
 640  */
 641 void X11DRV_DGAMotionEvent( HWND hwnd, XDGAMotionEvent *event )
 642 {
 643     update_key_state( event->state );
 644     send_mouse_event( hwnd, MOUSEEVENTF_MOVE, event->dx, event->dy, 0, event->time );
 645 }
 646
 647 /**********************************************************************
 648  *              X11DRV_DGAButtonPressEvent
 649  */
 650 void X11DRV_DGAButtonPressEvent( HWND hwnd, XDGAButtonEvent *event )
 651 {
 652     int buttonNum = event->button - 1;
 653
 654     if (buttonNum >= NB_BUTTONS) return;
 655     update_key_state( event->state );
 656     send_mouse_event( hwnd, button_down_flags[buttonNum], 0, 0, 0, event->time );
 657 }
 658
 659 /**********************************************************************
 660  *              X11DRV_DGAButtonReleaseEvent
 661  */
 662 void X11DRV_DGAButtonReleaseEvent( HWND hwnd, XDGAButtonEvent *event )
 663 {
 664     int buttonNum = event->button - 1;
 665
 666     if (buttonNum >= NB_BUTTONS) return;
 667     update_key_state( event->state );
 668     send_mouse_event( hwnd, button_up_flags[buttonNum], 0, 0, 0, event->time );
 669 }
 670 #endif /* HAVE_LIBXXF86DGA2 */