dlls/winex11.drv/mouse.c

   1 /*
   2  * X11 mouse driver
   3  *
   4  * Copyright 1998 Ulrich Weigand
   5  * Copyright 2007 Henri Verbeet
   6  *
   7  * This library is free software; you can redistribute it and/or
   8  * modify it under the terms of the GNU Lesser General Public
   9  * License as published by the Free Software Foundation; either
  10  * version 2.1 of the License, or (at your option) any later version.
  11  *
  12  * This library is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  15  * Lesser General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU Lesser General Public
  18  * License along with this library; if not, write to the Free Software
  19  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  20  */
  21
  22 #include "config.h"
  23 #include "wine/port.h"
  24
  25 #include <X11/Xlib.h>
  26 #include <X11/cursorfont.h>
  27 #include <stdarg.h>
  28
  29 #ifdef SONAME_LIBXCURSOR
  30 # include <X11/Xcursor/Xcursor.h>
  31 static void *xcursor_handle;
  32 # define MAKE_FUNCPTR(f) static typeof(f) * p##f
  33 MAKE_FUNCPTR(XcursorImageCreate);
  34 MAKE_FUNCPTR(XcursorImageDestroy);
  35 MAKE_FUNCPTR(XcursorImageLoadCursor);
  36 MAKE_FUNCPTR(XcursorImagesCreate);
  37 MAKE_FUNCPTR(XcursorImagesDestroy);
  38 MAKE_FUNCPTR(XcursorImagesLoadCursor);
  39 MAKE_FUNCPTR(XcursorLibraryLoadCursor);
  40 # undef MAKE_FUNCPTR
  41 #endif /* SONAME_LIBXCURSOR */
  42
  43 #define NONAMELESSUNION
  44 #define NONAMELESSSTRUCT
  45 #define OEMRESOURCE
  46 #include "windef.h"
  47 #include "winbase.h"
  48 #include "winreg.h"
  49
  50 #include "x11drv.h"
  51 #include "wine/server.h"
  52 #include "wine/library.h"
  53 #include "wine/unicode.h"
  54 #include "wine/debug.h"
  55
  56 WINE_DEFAULT_DEBUG_CHANNEL(cursor);
  57
  58 /**********************************************************************/
  59
  60 #ifndef Button6Mask
  61 #define Button6Mask (1<<13)
  62 #endif
  63 #ifndef Button7Mask
  64 #define Button7Mask (1<<14)
  65 #endif
  66
  67 #define NB_BUTTONS   9     /* Windows can handle 5 buttons and the wheel too */
  68
  69 static const UINT button_down_flags[NB_BUTTONS] =
  70 {
  71     MOUSEEVENTF_LEFTDOWN,
  72     MOUSEEVENTF_MIDDLEDOWN,
  73     MOUSEEVENTF_RIGHTDOWN,
  74     MOUSEEVENTF_WHEEL,
  75     MOUSEEVENTF_WHEEL,
  76     MOUSEEVENTF_XDOWN,  /* FIXME: horizontal wheel */
  77     MOUSEEVENTF_XDOWN,
  78     MOUSEEVENTF_XDOWN,
  79     MOUSEEVENTF_XDOWN
  80 };
  81
  82 static const UINT button_up_flags[NB_BUTTONS] =
  83 {
  84     MOUSEEVENTF_LEFTUP,
  85     MOUSEEVENTF_MIDDLEUP,
  86     MOUSEEVENTF_RIGHTUP,
  87     0,
  88     0,
  89     MOUSEEVENTF_XUP,
  90     MOUSEEVENTF_XUP,
  91     MOUSEEVENTF_XUP,
  92     MOUSEEVENTF_XUP
  93 };
  94
  95 static POINT cursor_pos;
  96 static HWND cursor_window;
  97 static DWORD last_time_modified;
  98 static RECT cursor_clip; /* Cursor clipping rect */
  99 static XContext cursor_context;
 100 static Cursor create_cursor( HANDLE handle );
 101
 102 BOOL CDECL X11DRV_SetCursorPos( INT x, INT y );
 103
 104
 105 /***********************************************************************
 106  *              X11DRV_Xcursor_Init
 107  *
 108  * Load the Xcursor library for use.
 109  */
 110 void X11DRV_Xcursor_Init(void)
 111 {
 112 #ifdef SONAME_LIBXCURSOR
 113     xcursor_handle = wine_dlopen(SONAME_LIBXCURSOR, RTLD_NOW, NULL, 0);
 114     if (!xcursor_handle)  /* wine_dlopen failed. */
 115     {
 116         WARN("Xcursor failed to load.  Using fallback code.\n");
 117         return;
 118     }
 119 #define LOAD_FUNCPTR(f) \
 120         p##f = wine_dlsym(xcursor_handle, #f, NULL, 0)
 121
 122     LOAD_FUNCPTR(XcursorImageCreate);
 123     LOAD_FUNCPTR(XcursorImageDestroy);
 124     LOAD_FUNCPTR(XcursorImageLoadCursor);
 125     LOAD_FUNCPTR(XcursorImagesCreate);
 126     LOAD_FUNCPTR(XcursorImagesDestroy);
 127     LOAD_FUNCPTR(XcursorImagesLoadCursor);
 128     LOAD_FUNCPTR(XcursorLibraryLoadCursor);
 129 #undef LOAD_FUNCPTR
 130 #endif /* SONAME_LIBXCURSOR */
 131 }
 132
 133
 134 /***********************************************************************
 135  *              clip_point_to_rect
 136  *
 137  * Clip point to the provided rectangle
 138  */
 139 static inline void clip_point_to_rect( LPCRECT rect, LPPOINT pt )
 140 {
 141     if      (pt->x <  rect->left)   pt->x = rect->left;
 142     else if (pt->x >= rect->right)  pt->x = rect->right - 1;
 143     if      (pt->y <  rect->top)    pt->y = rect->top;
 144     else if (pt->y >= rect->bottom) pt->y = rect->bottom - 1;
 145 }
 146
 147 /***********************************************************************
 148  *              get_empty_cursor
 149  */
 150 static Cursor get_empty_cursor(void)
 151 {
 152     static Cursor cursor;
 153     static const char data[] = { 0 };
 154
 155     wine_tsx11_lock();
 156     if (!cursor)
 157     {
 158         XColor bg;
 159         Pixmap pixmap;
 160
 161         bg.red = bg.green = bg.blue = 0x0000;
 162         pixmap = XCreateBitmapFromData( gdi_display, root_window, data, 1, 1 );
 163         if (pixmap)
 164         {
 165             cursor = XCreatePixmapCursor( gdi_display, pixmap, pixmap, &bg, &bg, 0, 0 );
 166             XFreePixmap( gdi_display, pixmap );
 167         }
 168     }
 169     wine_tsx11_unlock();
 170     return cursor;
 171 }
 172
 173 /***********************************************************************
 174  *              set_window_cursor
 175  */
 176 void set_window_cursor( struct x11drv_win_data *data, HCURSOR handle )
 177 {
 178     Cursor cursor, prev;
 179
 180     wine_tsx11_lock();
 181     if (!handle) cursor = get_empty_cursor();
 182     else if (!cursor_context || XFindContext( gdi_display, (XID)handle, cursor_context, (char **)&cursor ))
 183     {
 184         /* try to create it */
 185         wine_tsx11_unlock();
 186         if (!(cursor = create_cursor( handle ))) return;
 187
 188         wine_tsx11_lock();
 189         if (!cursor_context) cursor_context = XUniqueContext();
 190         if (!XFindContext( gdi_display, (XID)handle, cursor_context, (char **)&prev ))
 191         {
 192             /* someone else was here first */
 193             XFreeCursor( gdi_display, cursor );
 194             cursor = prev;
 195         }
 196         else
 197         {
 198             XSaveContext( gdi_display, (XID)handle, cursor_context, (char *)cursor );
 199             TRACE( "cursor %p created %lx\n", handle, cursor );
 200         }
 201     }
 202
 203     XDefineCursor( gdi_display, data->whole_window, cursor );
 204     /* make the change take effect immediately */
 205     XFlush( gdi_display );
 206     data->cursor = handle;
 207     wine_tsx11_unlock();
 208 }
 209
 210 /***********************************************************************
 211  *              sync_window_cursor
 212  */
 213 void sync_window_cursor( struct x11drv_win_data *data )
 214 {
 215     HCURSOR cursor;
 216
 217     SERVER_START_REQ( set_cursor )
 218     {
 219         req->flags = 0;
 220         wine_server_call( req );
 221         cursor = reply->prev_count >= 0 ? wine_server_ptr_handle( reply->prev_handle ) : 0;
 222     }
 223     SERVER_END_REQ;
 224
 225     if (data->cursor != cursor) set_window_cursor( data, cursor );
 226 }
 227
 228 /***********************************************************************
 229  *              update_mouse_state
 230  *
 231  * Update the various window states on a mouse event.
 232  */
 233 static HWND update_mouse_state( HWND hwnd, Window window, int x, int y, unsigned int state, POINT *pt )
 234 {
 235     struct x11drv_win_data *data = X11DRV_get_win_data( hwnd );
 236
 237     if (!data) return 0;
 238
 239     if (window == data->whole_window)
 240     {
 241         x += data->whole_rect.left - data->client_rect.left;
 242         y += data->whole_rect.top - data->client_rect.top;
 243     }
 244     if (window == root_window)
 245     {
 246         x += virtual_screen_rect.left;
 247         y += virtual_screen_rect.top;
 248     }
 249     pt->x = x;
 250     pt->y = y;
 251     if (GetWindowLongW( data->hwnd, GWL_EXSTYLE ) & WS_EX_LAYOUTRTL)
 252         pt->x = data->client_rect.right - data->client_rect.left - 1 - pt->x;
 253     MapWindowPoints( hwnd, 0, pt, 1 );
 254
 255     if (InterlockedExchangePointer( (void **)&cursor_window, hwnd ) != hwnd ||
 256         GetTickCount() - last_time_modified > 100)
 257     {
 258         cursor_window = hwnd;
 259         sync_window_cursor( data );
 260     }
 261     if (hwnd != GetDesktopWindow()) hwnd = GetAncestor( hwnd, GA_ROOT );
 262
 263     /* update the wine server Z-order */
 264
 265     if (window != x11drv_thread_data()->grab_window &&
 266         /* ignore event if a button is pressed, since the mouse is then grabbed too */
 267         !(state & (Button1Mask|Button2Mask|Button3Mask|Button4Mask|Button5Mask|Button6Mask|Button7Mask)))
 268     {
 269         RECT rect;
 270         SetRect( &rect, pt->x, pt->y, pt->x + 1, pt->y + 1 );
 271         MapWindowPoints( 0, hwnd, (POINT *)&rect, 2 );
 272
 273         SERVER_START_REQ( update_window_zorder )
 274         {
 275             req->window      = wine_server_user_handle( hwnd );
 276             req->rect.left   = rect.left;
 277             req->rect.top    = rect.top;
 278             req->rect.right  = rect.right;
 279             req->rect.bottom = rect.bottom;
 280             wine_server_call( req );
 281         }
 282         SERVER_END_REQ;
 283     }
 284     return hwnd;
 285 }
 286
 287
 288 /***********************************************************************
 289  *           queue_raw_mouse_message
 290  */
 291 static void queue_raw_mouse_message( UINT message, HWND hwnd, DWORD x, DWORD y,
 292                                      DWORD data, DWORD time, DWORD extra_info, UINT injected_flags )
 293 {
 294     MSLLHOOKSTRUCT hook;
 295
 296     hook.pt.x        = x;
 297     hook.pt.y        = y;
 298     hook.mouseData   = MAKELONG( 0, data );
 299     hook.flags       = injected_flags;
 300     hook.time        = time;
 301     hook.dwExtraInfo = extra_info;
 302
 303     last_time_modified = GetTickCount();
 304     if (HOOK_CallHooks( WH_MOUSE_LL, HC_ACTION, message, (LPARAM)&hook, TRUE ))
 305         message = 0;  /* ignore it */
 306
 307     SERVER_START_REQ( send_hardware_message )
 308     {
 309         req->win      = wine_server_user_handle( hwnd );
 310         req->msg      = message;
 311         req->wparam   = MAKEWPARAM( 0, data );
 312         req->lparam   = 0;
 313         req->x        = x;
 314         req->y        = y;
 315         req->time     = time;
 316         req->info     = extra_info;
 317         wine_server_call( req );
 318     }
 319     SERVER_END_REQ;
 320 }
 321
 322
 323 /***********************************************************************
 324  *              X11DRV_send_mouse_input
 325  */
 326 void X11DRV_send_mouse_input( HWND hwnd, DWORD flags, DWORD x, DWORD y,
 327                               DWORD data, DWORD time, DWORD extra_info, UINT injected_flags )
 328 {
 329     POINT pt;
 330
 331     if (!time) time = GetTickCount();
 332
 333     if (flags & MOUSEEVENTF_MOVE && flags & MOUSEEVENTF_ABSOLUTE)
 334     {
 335         if (injected_flags & LLMHF_INJECTED)
 336         {
 337             pt.x = (x * screen_width) >> 16;
 338             pt.y = (y * screen_height) >> 16;
 339         }
 340         else
 341         {
 342             pt.x = x;
 343             pt.y = y;
 344             wine_tsx11_lock();
 345             if (cursor_pos.x == x && cursor_pos.y == y &&
 346                 (flags & ~(MOUSEEVENTF_MOVE | MOUSEEVENTF_ABSOLUTE)))
 347                 flags &= ~MOUSEEVENTF_MOVE;
 348             wine_tsx11_unlock();
 349         }
 350     }
 351     else if (flags & MOUSEEVENTF_MOVE)
 352     {
 353         int accel[3], xMult = 1, yMult = 1;
 354
 355         /* dx and dy can be negative numbers for relative movements */
 356         SystemParametersInfoW(SPI_GETMOUSE, 0, accel, 0);
 357
 358         if (abs(x) > accel[0] && accel[2] != 0)
 359         {
 360             xMult = 2;
 361             if ((abs(x) > accel[1]) && (accel[2] == 2)) xMult = 4;
 362         }
 363         if (abs(y) > accel[0] && accel[2] != 0)
 364         {
 365             yMult = 2;
 366             if ((abs(y) > accel[1]) && (accel[2] == 2)) yMult = 4;
 367         }
 368
 369         wine_tsx11_lock();
 370         pt.x = cursor_pos.x + (long)x * xMult;
 371         pt.y = cursor_pos.y + (long)y * yMult;
 372         wine_tsx11_unlock();
 373     }
 374     else
 375     {
 376         wine_tsx11_lock();
 377         pt = cursor_pos;
 378         wine_tsx11_unlock();
 379     }
 380
 381     if (flags & MOUSEEVENTF_MOVE)
 382     {
 383         queue_raw_mouse_message( WM_MOUSEMOVE, hwnd, pt.x, pt.y, data, time,
 384                                  extra_info, injected_flags );
 385         if ((injected_flags & LLMHF_INJECTED) &&
 386             ((flags & MOUSEEVENTF_ABSOLUTE) || x || y))  /* we have to actually move the cursor */
 387         {
 388             clip_point_to_rect( &cursor_clip, &pt );
 389             X11DRV_SetCursorPos( pt.x, pt.y );
 390         }
 391         else
 392         {
 393             wine_tsx11_lock();
 394             clip_point_to_rect( &cursor_clip, &pt);
 395             cursor_pos = pt;
 396             wine_tsx11_unlock();
 397         }
 398     }
 399     if (flags & MOUSEEVENTF_LEFTDOWN)
 400         queue_raw_mouse_message( GetSystemMetrics(SM_SWAPBUTTON) ? WM_RBUTTONDOWN : WM_LBUTTONDOWN,
 401                                  hwnd, pt.x, pt.y, data, time, extra_info, injected_flags );
 402     if (flags & MOUSEEVENTF_LEFTUP)
 403         queue_raw_mouse_message( GetSystemMetrics(SM_SWAPBUTTON) ? WM_RBUTTONUP : WM_LBUTTONUP,
 404                                  hwnd, pt.x, pt.y, data, time, extra_info, injected_flags );
 405     if (flags & MOUSEEVENTF_RIGHTDOWN)
 406         queue_raw_mouse_message( GetSystemMetrics(SM_SWAPBUTTON) ? WM_LBUTTONDOWN : WM_RBUTTONDOWN,
 407                                  hwnd, pt.x, pt.y, data, time, extra_info, injected_flags );
 408     if (flags & MOUSEEVENTF_RIGHTUP)
 409         queue_raw_mouse_message( GetSystemMetrics(SM_SWAPBUTTON) ? WM_LBUTTONUP : WM_RBUTTONUP,
 410                                  hwnd, pt.x, pt.y, data, time, extra_info, injected_flags );
 411     if (flags & MOUSEEVENTF_MIDDLEDOWN)
 412         queue_raw_mouse_message( WM_MBUTTONDOWN, hwnd, pt.x, pt.y,
 413                                  data, time, extra_info, injected_flags );
 414     if (flags & MOUSEEVENTF_MIDDLEUP)
 415         queue_raw_mouse_message( WM_MBUTTONUP, hwnd, pt.x, pt.y,
 416                                  data, time, extra_info, injected_flags );
 417     if (flags & MOUSEEVENTF_WHEEL)
 418         queue_raw_mouse_message( WM_MOUSEWHEEL, hwnd, pt.x, pt.y,
 419                                  data, time, extra_info, injected_flags );
 420     if (flags & MOUSEEVENTF_XDOWN)
 421         queue_raw_mouse_message( WM_XBUTTONDOWN, hwnd, pt.x, pt.y,
 422                                  data, time, extra_info, injected_flags );
 423     if (flags & MOUSEEVENTF_XUP)
 424         queue_raw_mouse_message( WM_XBUTTONUP, hwnd, pt.x, pt.y,
 425                                  data, time, extra_info, injected_flags );
 426 }
 427
 428 #ifdef SONAME_LIBXCURSOR
 429
 430 /***********************************************************************
 431  *              create_xcursor_frame
 432  *
 433  * Use Xcursor to create a frame of an X cursor from a Windows one.
 434  */
 435 static XcursorImage *create_xcursor_frame( HDC hdc, const ICONINFOEXW *iinfo, HANDLE icon,
 436                                            HBITMAP hbmColor, unsigned char *color_bits, int color_size,
 437                                            HBITMAP hbmMask, unsigned char *mask_bits, int mask_size,
 438                                            int width, int height, int istep )
 439 {
 440     XcursorImage *image, *ret = NULL;
 441     int x, y, i, has_alpha;
 442     XcursorPixel *ptr;
 443
 444     wine_tsx11_lock();
 445     image = pXcursorImageCreate( width, height );
 446     wine_tsx11_unlock();
 447     if (!image)
 448     {
 449         ERR("X11 failed to produce a cursor frame!\n");
 450         goto cleanup;
 451     }
 452
 453     image->xhot = iinfo->xHotspot;
 454     image->yhot = iinfo->yHotspot;
 455     image->delay = 100; /* TODO: find a way to get the proper delay */
 456
 457     /* draw the cursor frame to a temporary buffer then copy it into the XcursorImage */
 458     memset( color_bits, 0x00, color_size );
 459     SelectObject( hdc, hbmColor );
 460     if (!DrawIconEx( hdc, 0, 0, icon, width, height, istep, NULL, DI_NORMAL ))
 461     {
 462         TRACE("Could not draw frame %d (walk past end of frames).\n", istep);
 463         goto cleanup;
 464     }
 465     memcpy( image->pixels, color_bits, color_size );
 466
 467     /* check if the cursor frame was drawn with an alpha channel */
 468     for (i = 0, ptr = image->pixels; i < width * height; i++, ptr++)
 469         if ((has_alpha = (*ptr & 0xff000000) != 0)) break;
 470
 471     /* if no alpha channel was drawn then generate it from the mask */
 472     if (!has_alpha)
 473     {
 474         unsigned int width_bytes = (width + 31) / 32 * 4;
 475
 476         /* draw the cursor mask to a temporary buffer */
 477         memset( mask_bits, 0xFF, mask_size );
 478         SelectObject( hdc, hbmMask );
 479         if (!DrawIconEx( hdc, 0, 0, icon, width, height, istep, NULL, DI_MASK ))
 480         {
 481             ERR("Failed to draw frame mask %d.\n", istep);
 482             goto cleanup;
 483         }
 484         /* use the buffer to directly modify the XcursorImage alpha channel */
 485         for (y = 0, ptr = image->pixels; y < height; y++)
 486             for (x = 0; x < width; x++, ptr++)
 487                 if (!((mask_bits[y * width_bytes + x / 8] << (x % 8)) & 0x80))
 488                     *ptr |= 0xff000000;
 489     }
 490     ret = image;
 491
 492 cleanup:
 493     if (ret == NULL) pXcursorImageDestroy( image );
 494     return ret;
 495 }
 496
 497 /***********************************************************************
 498  *              create_xcursor_cursor
 499  *
 500  * Use Xcursor to create an X cursor from a Windows one.
 501  */
 502 static Cursor create_xcursor_cursor( HDC hdc, const ICONINFOEXW *iinfo, HANDLE icon, int width, int height )
 503 {
 504     unsigned char *color_bits, *mask_bits;
 505     HBITMAP hbmColor = 0, hbmMask = 0;
 506     XcursorImage **imgs, *image;
 507     int color_size, mask_size;
 508     BITMAPINFO *info = NULL;
 509     XcursorImages *images;
 510     Cursor cursor = 0;
 511     int nFrames = 0;
 512
 513     if (!(imgs = HeapAlloc( GetProcessHeap(), 0, sizeof(XcursorImage*) ))) return 0;
 514
 515     /* Allocate all of the resources necessary to obtain a cursor frame */
 516     if (!(info = HeapAlloc( GetProcessHeap(), 0, FIELD_OFFSET( BITMAPINFO, bmiColors[256] )))) goto cleanup;
 517     info->bmiHeader.biSize = sizeof(BITMAPINFOHEADER);
 518     info->bmiHeader.biWidth = width;
 519     info->bmiHeader.biHeight = -height;
 520     info->bmiHeader.biPlanes = 1;
 521     info->bmiHeader.biCompression = BI_RGB;
 522     info->bmiHeader.biXPelsPerMeter = 0;
 523     info->bmiHeader.biYPelsPerMeter = 0;
 524     info->bmiHeader.biClrUsed = 0;
 525     info->bmiHeader.biClrImportant = 0;
 526     info->bmiHeader.biBitCount = 32;
 527     color_size = width * height * 4;
 528     info->bmiHeader.biSizeImage = color_size;
 529     hbmColor = CreateDIBSection( hdc, info, DIB_RGB_COLORS, (VOID **) &color_bits, NULL, 0);
 530     if (!hbmColor)
 531     {
 532         ERR("Failed to create DIB section for cursor color data!\n");
 533         goto cleanup;
 534     }
 535     info->bmiHeader.biBitCount = 1;
 536     mask_size = ((width + 31) / 32 * 4) * height; /* width_bytes * height */
 537     info->bmiHeader.biSizeImage = mask_size;
 538     hbmMask = CreateDIBSection( hdc, info, DIB_RGB_COLORS, (VOID **) &mask_bits, NULL, 0);
 539     if (!hbmMask)
 540     {
 541         ERR("Failed to create DIB section for cursor mask data!\n");
 542         goto cleanup;
 543     }
 544
 545     /* Create an XcursorImage for each frame of the cursor */
 546     while (1)
 547     {
 548         XcursorImage **imgstmp;
 549
 550         image = create_xcursor_frame( hdc, iinfo, icon,
 551                                       hbmColor, color_bits, color_size,
 552                                       hbmMask, mask_bits, mask_size,
 553                                       width, height, nFrames );
 554         if (!image) break; /* no more drawable frames */
 555
 556         imgs[nFrames++] = image;
 557         if (!(imgstmp = HeapReAlloc( GetProcessHeap(), 0, imgs, (nFrames+1)*sizeof(XcursorImage*) ))) goto cleanup;
 558         imgs = imgstmp;
 559     }
 560
 561     /* Build an X cursor out of all of the frames */
 562     if (!(images = pXcursorImagesCreate( nFrames ))) goto cleanup;
 563     for (images->nimage = 0; images->nimage < nFrames; images->nimage++)
 564         images->images[images->nimage] = imgs[images->nimage];
 565     wine_tsx11_lock();
 566     cursor = pXcursorImagesLoadCursor( gdi_display, images );
 567     wine_tsx11_unlock();
 568     pXcursorImagesDestroy( images ); /* Note: this frees each individual frame (calls XcursorImageDestroy) */
 569     HeapFree( GetProcessHeap(), 0, imgs );
 570     imgs = NULL;
 571
 572 cleanup:
 573     if (imgs)
 574     {
 575         /* Failed to produce a cursor, free previously allocated frames */
 576         for (nFrames--; nFrames >= 0; nFrames--)
 577             pXcursorImageDestroy( imgs[nFrames] );
 578         HeapFree( GetProcessHeap(), 0, imgs );
 579     }
 580     /* Cleanup all of the resources used to obtain the frame data */
 581     if (hbmColor) DeleteObject( hbmColor );
 582     if (hbmMask) DeleteObject( hbmMask );
 583     HeapFree( GetProcessHeap(), 0, info );
 584     return cursor;
 585 }
 586
 587
 588 struct system_cursors
 589 {
 590     WORD id;
 591     const char *name;
 592 };
 593
 594 static const struct system_cursors user32_cursors[] =
 595 {
 596     { OCR_NORMAL,      "left_ptr" },
 597     { OCR_IBEAM,       "xterm" },
 598     { OCR_WAIT,        "watch" },
 599     { OCR_CROSS,       "cross" },
 600     { OCR_UP,          "center_ptr" },
 601     { OCR_SIZE,        "fleur" },
 602     { OCR_SIZEALL,     "fleur" },
 603     { OCR_ICON,        "icon" },
 604     { OCR_SIZENWSE,    "nwse-resize" },
 605     { OCR_SIZENESW,    "nesw-resize" },
 606     { OCR_SIZEWE,      "ew-resize" },
 607     { OCR_SIZENS,      "ns-resize" },
 608     { OCR_NO,          "not-allowed" },
 609     { OCR_HAND,        "hand2" },
 610     { OCR_APPSTARTING, "left_ptr_watch" },
 611     { OCR_HELP,        "question_arrow" },
 612     { 0 }
 613 };
 614
 615 static const struct system_cursors comctl32_cursors[] =
 616 {
 617     { 102, "move" },
 618     { 104, "copy" },
 619     { 105, "left_ptr" },
 620     { 106, "row-resize" },
 621     { 107, "row-resize" },
 622     { 108, "hand2" },
 623     { 135, "col-resize" },
 624     { 0 }
 625 };
 626
 627 static const struct system_cursors ole32_cursors[] =
 628 {
 629     { 1, "no-drop" },
 630     { 2, "move" },
 631     { 3, "copy" },
 632     { 4, "alias" },
 633     { 0 }
 634 };
 635
 636 static const struct system_cursors riched20_cursors[] =
 637 {
 638     { 105, "hand2" },
 639     { 107, "right_ptr" },
 640     { 109, "copy" },
 641     { 110, "move" },
 642     { 111, "no-drop" },
 643     { 0 }
 644 };
 645
 646 static const struct
 647 {
 648     const struct system_cursors *cursors;
 649     WCHAR name[16];
 650 } module_cursors[] =
 651 {
 652     { user32_cursors, {'u','s','e','r','3','2','.','d','l','l',0} },
 653     { comctl32_cursors, {'c','o','m','c','t','l','3','2','.','d','l','l',0} },
 654     { ole32_cursors, {'o','l','e','3','2','.','d','l','l',0} },
 655     { riched20_cursors, {'r','i','c','h','e','d','2','0','.','d','l','l',0} }
 656 };
 657
 658 /***********************************************************************
 659  *              create_xcursor_system_cursor
 660  *
 661  * Create an X cursor for a system cursor.
 662  */
 663 static Cursor create_xcursor_system_cursor( const ICONINFOEXW *info )
 664 {
 665     static const WCHAR idW[] = {'%','h','u',0};
 666     const struct system_cursors *cursors;
 667     unsigned int i;
 668     Cursor cursor = 0;
 669     HMODULE module;
 670     HKEY key;
 671     WCHAR *p, name[MAX_PATH * 2], valueW[64];
 672     char valueA[64];
 673     DWORD size, ret;
 674
 675     if (!pXcursorLibraryLoadCursor) return 0;
 676     if (!info->szModName[0]) return 0;
 677
 678     p = strrchrW( info->szModName, '\\' );
 679     strcpyW( name, p ? p + 1 : info->szModName );
 680     p = name + strlenW( name );
 681     *p++ = ',';
 682     if (info->szResName[0]) strcpyW( p, info->szResName );
 683     else sprintfW( p, idW, info->wResID );
 684     valueA[0] = 0;
 685
 686     /* @@ Wine registry key: HKCU\Software\Wine\X11 Driver\Cursors */
 687     if (!RegOpenKeyA( HKEY_CURRENT_USER, "Software\\Wine\\X11 Driver\\Cursors", &key ))
 688     {
 689         size = sizeof(valueW) / sizeof(WCHAR);
 690         ret = RegQueryValueExW( key, name, NULL, NULL, (BYTE *)valueW, &size );
 691         RegCloseKey( key );
 692         if (!ret)
 693         {
 694             if (!valueW[0]) return 0; /* force standard cursor */
 695             if (!WideCharToMultiByte( CP_UNIXCP, 0, valueW, -1, valueA, sizeof(valueA), NULL, NULL ))
 696                 valueA[0] = 0;
 697             goto done;
 698         }
 699     }
 700
 701     if (info->szResName[0]) goto done;  /* only integer resources are supported here */
 702     if (!(module = GetModuleHandleW( info->szModName ))) goto done;
 703
 704     for (i = 0; i < sizeof(module_cursors)/sizeof(module_cursors[0]); i++)
 705         if (GetModuleHandleW( module_cursors[i].name ) == module) break;
 706     if (i == sizeof(module_cursors)/sizeof(module_cursors[0])) goto done;
 707
 708     cursors = module_cursors[i].cursors;
 709     for (i = 0; cursors[i].id; i++)
 710         if (cursors[i].id == info->wResID)
 711         {
 712             strcpy( valueA, cursors[i].name );
 713             break;
 714         }
 715
 716 done:
 717     if (valueA[0])
 718     {
 719         wine_tsx11_lock();
 720         cursor = pXcursorLibraryLoadCursor( gdi_display, valueA );
 721         wine_tsx11_unlock();
 722         if (!cursor) WARN( "no system cursor found for %s mapped to %s\n",
 723                            debugstr_w(name), debugstr_a(valueA) );
 724     }
 725     else WARN( "no system cursor found for %s\n", debugstr_w(name) );
 726     return cursor;
 727 }
 728
 729 #endif /* SONAME_LIBXCURSOR */
 730
 731
 732 /***********************************************************************
 733  *              create_cursor_from_bitmaps
 734  *
 735  * Create an X11 cursor from source bitmaps.
 736  */
 737 static Cursor create_cursor_from_bitmaps( HBITMAP src_xor, HBITMAP src_and, int width, int height,
 738                                           int xor_y, int and_y, XColor *fg, XColor *bg,
 739                                           int hotspot_x, int hotspot_y )
 740 {
 741     HDC src = 0, dst = 0;
 742     HBITMAP bits = 0, mask = 0, mask_inv = 0;
 743     Cursor cursor = 0;
 744
 745     if (!(src = CreateCompatibleDC( 0 ))) goto done;
 746     if (!(dst = CreateCompatibleDC( 0 ))) goto done;
 747
 748     if (!(bits = CreateBitmap( width, height, 1, 1, NULL ))) goto done;
 749     if (!(mask = CreateBitmap( width, height, 1, 1, NULL ))) goto done;
 750     if (!(mask_inv = CreateBitmap( width, height, 1, 1, NULL ))) goto done;
 751
 752     /* We have to do some magic here, as cursors are not fully
 753      * compatible between Windows and X11. Under X11, there are
 754      * only 3 possible color cursor: black, white and masked. So
 755      * we map the 4th Windows color (invert the bits on the screen)
 756      * to black and an additional white bit on an other place
 757      * (+1,+1). This require some boolean arithmetic:
 758      *
 759      *         Windows          |          X11
 760      * And    Xor      Result   |   Bits     Mask     Result
 761      *  0      0     black      |    0        1     background
 762      *  0      1     white      |    1        1     foreground
 763      *  1      0     no change  |    X        0     no change
 764      *  1      1     inverted   |    0        1     background
 765      *
 766      * which gives:
 767      *  Bits = not 'And' and 'Xor' or 'And2' and 'Xor2'
 768      *  Mask = not 'And' or 'Xor' or 'And2' and 'Xor2'
 769      */
 770     SelectObject( src, src_and );
 771     SelectObject( dst, bits );
 772     BitBlt( dst, 0, 0, width, height, src, 0, and_y, SRCCOPY );
 773     SelectObject( dst, mask );
 774     BitBlt( dst, 0, 0, width, height, src, 0, and_y, SRCCOPY );
 775     SelectObject( dst, mask_inv );
 776     BitBlt( dst, 0, 0, width, height, src, 0, and_y, SRCCOPY );
 777     SelectObject( src, src_xor );
 778     BitBlt( dst, 0, 0, width, height, src, 0, xor_y, SRCAND /* src & dst */ );
 779     SelectObject( dst, bits );
 780     BitBlt( dst, 0, 0, width, height, src, 0, xor_y, SRCERASE /* src & ~dst */ );
 781     SelectObject( dst, mask );
 782     BitBlt( dst, 0, 0, width, height, src, 0, xor_y, 0xdd0228 /* src | ~dst */ );
 783     /* additional white */
 784     SelectObject( src, mask_inv );
 785     BitBlt( dst, 1, 1, width, height, src, 0, 0, SRCPAINT /* src | dst */);
 786     SelectObject( dst, bits );
 787     BitBlt( dst, 1, 1, width, height, src, 0, 0, SRCPAINT /* src | dst */ );
 788
 789     wine_tsx11_lock();
 790     cursor = XCreatePixmapCursor( gdi_display, X11DRV_get_pixmap(bits), X11DRV_get_pixmap(mask),
 791                                   fg, bg, hotspot_x, hotspot_y );
 792     wine_tsx11_unlock();
 793
 794 done:
 795     DeleteDC( src );
 796     DeleteDC( dst );
 797     DeleteObject( bits );
 798     DeleteObject( mask );
 799     DeleteObject( mask_inv );
 800     return cursor;
 801 }
 802
 803 /***********************************************************************
 804  *              create_xlib_cursor
 805  *
 806  * Create an X cursor from a Windows one.
 807  */
 808 static Cursor create_xlib_cursor( HDC hdc, const ICONINFOEXW *icon, int width, int height )
 809 {
 810     XColor fg, bg;
 811     Cursor cursor = None;
 812     HBITMAP xor_bitmap = 0;
 813     BITMAPINFO *info;
 814     unsigned int *color_bits = NULL, *ptr;
 815     unsigned char *mask_bits = NULL, *xor_bits = NULL;
 816     int i, x, y, has_alpha = 0;
 817     int rfg, gfg, bfg, rbg, gbg, bbg, fgBits, bgBits;
 818     unsigned int width_bytes = (width + 31) / 32 * 4;
 819
 820     if (!(info = HeapAlloc( GetProcessHeap(), 0, FIELD_OFFSET( BITMAPINFO, bmiColors[256] ))))
 821         return FALSE;
 822     info->bmiHeader.biSize = sizeof(BITMAPINFOHEADER);
 823     info->bmiHeader.biWidth = width;
 824     info->bmiHeader.biHeight = -height;
 825     info->bmiHeader.biPlanes = 1;
 826     info->bmiHeader.biBitCount = 1;
 827     info->bmiHeader.biCompression = BI_RGB;
 828     info->bmiHeader.biSizeImage = width_bytes * height;
 829     info->bmiHeader.biXPelsPerMeter = 0;
 830     info->bmiHeader.biYPelsPerMeter = 0;
 831     info->bmiHeader.biClrUsed = 0;
 832     info->bmiHeader.biClrImportant = 0;
 833
 834     if (!(mask_bits = HeapAlloc( GetProcessHeap(), 0, info->bmiHeader.biSizeImage ))) goto done;
 835     if (!GetDIBits( hdc, icon->hbmMask, 0, height, mask_bits, info, DIB_RGB_COLORS )) goto done;
 836
 837     info->bmiHeader.biBitCount = 32;
 838     info->bmiHeader.biSizeImage = width * height * 4;
 839     if (!(color_bits = HeapAlloc( GetProcessHeap(), 0, info->bmiHeader.biSizeImage ))) goto done;
 840     if (!(xor_bits = HeapAlloc( GetProcessHeap(), HEAP_ZERO_MEMORY, width_bytes * height ))) goto done;
 841     GetDIBits( hdc, icon->hbmColor, 0, height, color_bits, info, DIB_RGB_COLORS );
 842
 843     /* compute fg/bg color and xor bitmap based on average of the color values */
 844
 845     if (!(xor_bitmap = CreateBitmap( width, height, 1, 1, NULL ))) goto done;
 846     rfg = gfg = bfg = rbg = gbg = bbg = fgBits = 0;
 847     for (y = 0, ptr = color_bits; y < height; y++)
 848     {
 849         for (x = 0; x < width; x++, ptr++)
 850         {
 851             int red   = (*ptr >> 16) & 0xff;
 852             int green = (*ptr >> 8) & 0xff;
 853             int blue  = (*ptr >> 0) & 0xff;
 854             if (red + green + blue > 0x40)
 855             {
 856                 rfg += red;
 857                 gfg += green;
 858                 bfg += blue;
 859                 fgBits++;
 860                 xor_bits[y * width_bytes + x / 8] |= 0x80 >> (x % 8);
 861             }
 862             else
 863             {
 864                 rbg += red;
 865                 gbg += green;
 866                 bbg += blue;
 867             }
 868         }
 869     }
 870     if (fgBits)
 871     {
 872         fg.red   = rfg * 257 / fgBits;
 873         fg.green = gfg * 257 / fgBits;
 874         fg.blue  = bfg * 257 / fgBits;
 875     }
 876     else fg.red = fg.green = fg.blue = 0;
 877     bgBits = width * height - fgBits;
 878     if (bgBits)
 879     {
 880         bg.red   = rbg * 257 / bgBits;
 881         bg.green = gbg * 257 / bgBits;
 882         bg.blue  = bbg * 257 / bgBits;
 883     }
 884     else bg.red = bg.green = bg.blue = 0;
 885
 886     info->bmiHeader.biBitCount = 1;
 887     info->bmiHeader.biSizeImage = width_bytes * height;
 888     SetDIBits( hdc, xor_bitmap, 0, height, xor_bits, info, DIB_RGB_COLORS );
 889
 890     /* generate mask from the alpha channel if we have one */
 891
 892     for (i = 0, ptr = color_bits; i < width * height; i++, ptr++)
 893         if ((has_alpha = (*ptr & 0xff000000) != 0)) break;
 894
 895     if (has_alpha)
 896     {
 897         memset( mask_bits, 0, width_bytes * height );
 898         for (y = 0, ptr = color_bits; y < height; y++)
 899             for (x = 0; x < width; x++, ptr++)
 900                 if ((*ptr >> 24) > 25) /* more than 10% alpha */
 901                     mask_bits[y * width_bytes + x / 8] |= 0x80 >> (x % 8);
 902
 903         info->bmiHeader.biBitCount = 1;
 904         info->bmiHeader.biSizeImage = width_bytes * height;
 905         SetDIBits( hdc, icon->hbmMask, 0, height, mask_bits, info, DIB_RGB_COLORS );
 906
 907         wine_tsx11_lock();
 908         cursor = XCreatePixmapCursor( gdi_display,
 909                                       X11DRV_get_pixmap(xor_bitmap),
 910                                       X11DRV_get_pixmap(icon->hbmMask),
 911                                       &fg, &bg, icon->xHotspot, icon->yHotspot );
 912         wine_tsx11_unlock();
 913     }
 914     else
 915     {
 916         cursor = create_cursor_from_bitmaps( xor_bitmap, icon->hbmMask, width, height, 0, 0,
 917                                              &fg, &bg, icon->xHotspot, icon->yHotspot );
 918     }
 919
 920 done:
 921     DeleteObject( xor_bitmap );
 922     HeapFree( GetProcessHeap(), 0, info );
 923     HeapFree( GetProcessHeap(), 0, color_bits );
 924     HeapFree( GetProcessHeap(), 0, xor_bits );
 925     HeapFree( GetProcessHeap(), 0, mask_bits );
 926     return cursor;
 927 }
 928
 929 /***********************************************************************
 930  *              create_cursor
 931  *
 932  * Create an X cursor from a Windows one.
 933  */
 934 static Cursor create_cursor( HANDLE handle )
 935 {
 936     Cursor cursor = 0;
 937     ICONINFOEXW info;
 938     BITMAP bm;
 939
 940     if (!handle) return get_empty_cursor();
 941
 942     info.cbSize = sizeof(info);
 943     if (!GetIconInfoExW( handle, &info )) return 0;
 944
 945 #ifdef SONAME_LIBXCURSOR
 946     if (use_system_cursors && (cursor = create_xcursor_system_cursor( &info )))
 947     {
 948         DeleteObject( info.hbmColor );
 949         DeleteObject( info.hbmMask );
 950         return cursor;
 951     }
 952 #endif
 953
 954     GetObjectW( info.hbmMask, sizeof(bm), &bm );
 955     if (!info.hbmColor) bm.bmHeight /= 2;
 956
 957     /* make sure hotspot is valid */
 958     if (info.xHotspot >= bm.bmWidth || info.yHotspot >= bm.bmHeight)
 959     {
 960         info.xHotspot = bm.bmWidth / 2;
 961         info.yHotspot = bm.bmHeight / 2;
 962     }
 963
 964     if (info.hbmColor)
 965     {
 966         HDC hdc = CreateCompatibleDC( 0 );
 967         if (hdc)
 968         {
 969 #ifdef SONAME_LIBXCURSOR
 970             if (pXcursorImagesLoadCursor)
 971                 cursor = create_xcursor_cursor( hdc, &info, handle, bm.bmWidth, bm.bmHeight );
 972 #endif
 973             if (!cursor) cursor = create_xlib_cursor( hdc, &info, bm.bmWidth, bm.bmHeight );
 974         }
 975         DeleteObject( info.hbmColor );
 976         DeleteDC( hdc );
 977     }
 978     else
 979     {
 980         XColor fg, bg;
 981         fg.red = fg.green = fg.blue = 0xffff;
 982         bg.red = bg.green = bg.blue = 0;
 983         cursor = create_cursor_from_bitmaps( info.hbmMask, info.hbmMask, bm.bmWidth, bm.bmHeight,
 984                                              bm.bmHeight, 0, &fg, &bg, info.xHotspot, info.yHotspot );
 985     }
 986
 987     DeleteObject( info.hbmMask );
 988     return cursor;
 989 }
 990
 991 /***********************************************************************
 992  *              DestroyCursorIcon (X11DRV.@)
 993  */
 994 void CDECL X11DRV_DestroyCursorIcon( HCURSOR handle )
 995 {
 996     Cursor cursor;
 997
 998     wine_tsx11_lock();
 999     if (cursor_context && !XFindContext( gdi_display, (XID)handle, cursor_context, (char **)&cursor ))
1000     {
1001         TRACE( "%p xid %lx\n", handle, cursor );
1002         XFreeCursor( gdi_display, cursor );
1003         XDeleteContext( gdi_display, (XID)handle, cursor_context );
1004     }
1005     wine_tsx11_unlock();
1006 }
1007
1008 /***********************************************************************
1009  *              SetCursor (X11DRV.@)
1010  */
1011 void CDECL X11DRV_SetCursor( HCURSOR handle )
1012 {
1013     if (cursor_window) SendNotifyMessageW( cursor_window, WM_X11DRV_SET_CURSOR, 0, (LPARAM)handle );
1014 }
1015
1016 /***********************************************************************
1017  *              SetCursorPos (X11DRV.@)
1018  */
1019 BOOL CDECL X11DRV_SetCursorPos( INT x, INT y )
1020 {
1021     Display *display = thread_init_display();
1022
1023     TRACE( "warping to (%d,%d)\n", x, y );
1024
1025     wine_tsx11_lock();
1026     XWarpPointer( display, root_window, root_window, 0, 0, 0, 0,
1027                   x - virtual_screen_rect.left, y - virtual_screen_rect.top );
1028     XFlush( display ); /* avoids bad mouse lag in games that do their own mouse warping */
1029     cursor_pos.x = x;
1030     cursor_pos.y = y;
1031     wine_tsx11_unlock();
1032     return TRUE;
1033 }
1034
1035 /***********************************************************************
1036  *              GetCursorPos (X11DRV.@)
1037  */
1038 BOOL CDECL X11DRV_GetCursorPos(LPPOINT pos)
1039 {
1040     Display *display = thread_init_display();
1041     Window root, child;
1042     int rootX, rootY, winX, winY;
1043     unsigned int xstate;
1044     BOOL ret = FALSE;
1045
1046     wine_tsx11_lock();
1047     if ((GetTickCount() - last_time_modified > 100) &&
1048         XQueryPointer( display, root_window, &root, &child,
1049                        &rootX, &rootY, &winX, &winY, &xstate ))
1050     {
1051         winX += virtual_screen_rect.left;
1052         winY += virtual_screen_rect.top;
1053         TRACE("pointer at (%d,%d)\n", winX, winY );
1054         pos->x = winX;
1055         pos->y = winY;
1056         ret = TRUE;
1057     }
1058     wine_tsx11_unlock();
1059     return ret;
1060 }
1061
1062
1063 /***********************************************************************
1064  *              ClipCursor (X11DRV.@)
1065  *
1066  * Set the cursor clipping rectangle.
1067  */
1068 BOOL CDECL X11DRV_ClipCursor( LPCRECT clip )
1069 {
1070     if (!IntersectRect( &cursor_clip, &virtual_screen_rect, clip ))
1071         cursor_clip = virtual_screen_rect;
1072
1073     return TRUE;
1074 }
1075
1076 /***********************************************************************
1077  *           X11DRV_ButtonPress
1078  */
1079 void X11DRV_ButtonPress( HWND hwnd, XEvent *xev )
1080 {
1081     XButtonEvent *event = &xev->xbutton;
1082     int buttonNum = event->button - 1;
1083     WORD wData = 0;
1084     POINT pt;
1085
1086     if (buttonNum >= NB_BUTTONS) return;
1087
1088     switch (buttonNum)
1089     {
1090     case 3:
1091         wData = WHEEL_DELTA;
1092         break;
1093     case 4:
1094         wData = -WHEEL_DELTA;
1095         break;
1096     case 5:
1097         wData = XBUTTON1;
1098         break;
1099     case 6:
1100         wData = XBUTTON2;
1101         break;
1102     case 7:
1103         wData = XBUTTON1;
1104         break;
1105     case 8:
1106         wData = XBUTTON2;
1107         break;
1108     }
1109
1110     update_user_time( event->time );
1111     hwnd = update_mouse_state( hwnd, event->window, event->x, event->y, event->state, &pt );
1112     if (!hwnd) return;
1113
1114     X11DRV_send_mouse_input( hwnd, button_down_flags[buttonNum] | MOUSEEVENTF_ABSOLUTE | MOUSEEVENTF_MOVE,
1115                              pt.x, pt.y, wData, EVENT_x11_time_to_win32_time(event->time), 0, 0 );
1116 }
1117
1118
1119 /***********************************************************************
1120  *           X11DRV_ButtonRelease
1121  */
1122 void X11DRV_ButtonRelease( HWND hwnd, XEvent *xev )
1123 {
1124     XButtonEvent *event = &xev->xbutton;
1125     int buttonNum = event->button - 1;
1126     WORD wData = 0;
1127     POINT pt;
1128
1129     if (buttonNum >= NB_BUTTONS || !button_up_flags[buttonNum]) return;
1130
1131     switch (buttonNum)
1132     {
1133     case 5:
1134         wData = XBUTTON1;
1135         break;
1136     case 6:
1137         wData = XBUTTON2;
1138         break;
1139     case 7:
1140         wData = XBUTTON1;
1141         break;
1142     case 8:
1143         wData = XBUTTON2;
1144         break;
1145     }
1146
1147     hwnd = update_mouse_state( hwnd, event->window, event->x, event->y, event->state, &pt );
1148     if (!hwnd) return;
1149
1150     X11DRV_send_mouse_input( hwnd, button_up_flags[buttonNum] | MOUSEEVENTF_ABSOLUTE | MOUSEEVENTF_MOVE,
1151                              pt.x, pt.y, wData, EVENT_x11_time_to_win32_time(event->time), 0, 0 );
1152 }
1153
1154
1155 /***********************************************************************
1156  *           X11DRV_MotionNotify
1157  */
1158 void X11DRV_MotionNotify( HWND hwnd, XEvent *xev )
1159 {
1160     XMotionEvent *event = &xev->xmotion;
1161     POINT pt;
1162
1163     TRACE("hwnd %p, event->is_hint %d\n", hwnd, event->is_hint);
1164
1165     hwnd = update_mouse_state( hwnd, event->window, event->x, event->y, event->state, &pt );
1166     if (!hwnd) return;
1167
1168     X11DRV_send_mouse_input( hwnd, MOUSEEVENTF_MOVE | MOUSEEVENTF_ABSOLUTE,
1169                              pt.x, pt.y, 0, EVENT_x11_time_to_win32_time(event->time), 0, 0 );
1170 }
1171
1172
1173 /***********************************************************************
1174  *           X11DRV_EnterNotify
1175  */
1176 void X11DRV_EnterNotify( HWND hwnd, XEvent *xev )
1177 {
1178     XCrossingEvent *event = &xev->xcrossing;
1179     POINT pt;
1180
1181     TRACE("hwnd %p, event->detail %d\n", hwnd, event->detail);
1182
1183     if (event->detail == NotifyVirtual || event->detail == NotifyNonlinearVirtual) return;
1184     if (event->window == x11drv_thread_data()->grab_window) return;
1185
1186     /* simulate a mouse motion event */
1187     hwnd = update_mouse_state( hwnd, event->window, event->x, event->y, event->state, &pt );
1188     if (!hwnd) return;
1189
1190     X11DRV_send_mouse_input( hwnd, MOUSEEVENTF_MOVE | MOUSEEVENTF_ABSOLUTE,
1191                              pt.x, pt.y, 0, EVENT_x11_time_to_win32_time(event->time), 0, 0 );
1192 }