dlls/winemac.drv/mouse.c

   1 /*
   2  * MACDRV mouse driver
   3  *
   4  * Copyright 1998 Ulrich Weigand
   5  * Copyright 2007 Henri Verbeet
   6  * Copyright 2011, 2012, 2013 Ken Thomases for CodeWeavers Inc.
   7  *
   8  * This library is free software; you can redistribute it and/or
   9  * modify it under the terms of the GNU Lesser General Public
  10  * License as published by the Free Software Foundation; either
  11  * version 2.1 of the License, or (at your option) any later version.
  12  *
  13  * This library 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 GNU
  16  * Lesser General Public License for more details.
  17  *
  18  * You should have received a copy of the GNU Lesser General Public
  19  * License along with this library; if not, write to the Free Software
  20  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  21  */
  22
  23 #include "config.h"
  24
  25 #include "macdrv.h"
  26 #define OEMRESOURCE
  27 #include "winuser.h"
  28 #include "winreg.h"
  29 #include "wine/server.h"
  30 #include "wine/unicode.h"
  31
  32 WINE_DEFAULT_DEBUG_CHANNEL(cursor);
  33
  34
  35 static CRITICAL_SECTION cursor_cache_section;
  36 static CRITICAL_SECTION_DEBUG critsect_debug =
  37 {
  38     0, 0, &cursor_cache_section,
  39     { &critsect_debug.ProcessLocksList, &critsect_debug.ProcessLocksList },
  40       0, 0, { (DWORD_PTR)(__FILE__ ": cursor_cache_section") }
  41 };
  42 static CRITICAL_SECTION cursor_cache_section = { &critsect_debug, -1, 0, 0, 0, 0 };
  43
  44 static CFMutableDictionaryRef cursor_cache;
  45
  46
  47 struct system_cursors
  48 {
  49     WORD id;
  50     CFStringRef name;
  51 };
  52
  53 static const struct system_cursors user32_cursors[] =
  54 {
  55     { OCR_NORMAL,      CFSTR("arrowCursor") },
  56     { OCR_IBEAM,       CFSTR("IBeamCursor") },
  57     { OCR_CROSS,       CFSTR("crosshairCursor") },
  58     { OCR_SIZEWE,      CFSTR("resizeLeftRightCursor") },
  59     { OCR_SIZENS,      CFSTR("resizeUpDownCursor") },
  60     { OCR_NO,          CFSTR("operationNotAllowedCursor") },
  61     { OCR_HAND,        CFSTR("pointingHandCursor") },
  62     { 0 }
  63 };
  64
  65 static const struct system_cursors comctl32_cursors[] =
  66 {
  67     { 102, CFSTR("closedHandCursor") },
  68     { 104, CFSTR("dragCopyCursor") },
  69     { 105, CFSTR("arrowCursor") },
  70     { 106, CFSTR("resizeLeftRightCursor") },
  71     { 107, CFSTR("resizeLeftRightCursor") },
  72     { 108, CFSTR("pointingHandCursor") },
  73     { 135, CFSTR("resizeUpDownCursor") },
  74     { 0 }
  75 };
  76
  77 static const struct system_cursors ole32_cursors[] =
  78 {
  79     { 1, CFSTR("operationNotAllowedCursor") },
  80     { 2, CFSTR("closedHandCursor") },
  81     { 3, CFSTR("dragCopyCursor") },
  82     { 4, CFSTR("dragLinkCursor") },
  83     { 0 }
  84 };
  85
  86 static const struct system_cursors riched20_cursors[] =
  87 {
  88     { 105, CFSTR("pointingHandCursor") },
  89     { 109, CFSTR("dragCopyCursor") },
  90     { 110, CFSTR("closedHandCursor") },
  91     { 111, CFSTR("operationNotAllowedCursor") },
  92     { 0 }
  93 };
  94
  95 static const struct
  96 {
  97     const struct system_cursors *cursors;
  98     WCHAR name[16];
  99 } module_cursors[] =
 100 {
 101     { user32_cursors, {'u','s','e','r','3','2','.','d','l','l',0} },
 102     { comctl32_cursors, {'c','o','m','c','t','l','3','2','.','d','l','l',0} },
 103     { ole32_cursors, {'o','l','e','3','2','.','d','l','l',0} },
 104     { riched20_cursors, {'r','i','c','h','e','d','2','0','.','d','l','l',0} }
 105 };
 106
 107 /* The names of NSCursor class methods which return cursor objects. */
 108 static const CFStringRef cocoa_cursor_names[] =
 109 {
 110     CFSTR("arrowCursor"),
 111     CFSTR("closedHandCursor"),
 112     CFSTR("contextualMenuCursor"),
 113     CFSTR("crosshairCursor"),
 114     CFSTR("disappearingItemCursor"),
 115     CFSTR("dragCopyCursor"),
 116     CFSTR("dragLinkCursor"),
 117     CFSTR("IBeamCursor"),
 118     CFSTR("IBeamCursorForVerticalLayout"),
 119     CFSTR("openHandCursor"),
 120     CFSTR("operationNotAllowedCursor"),
 121     CFSTR("pointingHandCursor"),
 122     CFSTR("resizeDownCursor"),
 123     CFSTR("resizeLeftCursor"),
 124     CFSTR("resizeLeftRightCursor"),
 125     CFSTR("resizeRightCursor"),
 126     CFSTR("resizeUpCursor"),
 127     CFSTR("resizeUpDownCursor"),
 128 };
 129
 130
 131 /***********************************************************************
 132  *              send_mouse_input
 133  *
 134  * Update the various window states on a mouse event.
 135  */
 136 static void send_mouse_input(HWND hwnd, macdrv_window cocoa_window, UINT flags, int x, int y,
 137                              DWORD mouse_data, BOOL drag, unsigned long time)
 138 {
 139     INPUT input;
 140     HWND top_level_hwnd;
 141
 142     top_level_hwnd = GetAncestor(hwnd, GA_ROOT);
 143
 144     if ((flags & MOUSEEVENTF_MOVE) && (flags & MOUSEEVENTF_ABSOLUTE) && !drag &&
 145         cocoa_window != macdrv_thread_data()->capture_window)
 146     {
 147         /* update the wine server Z-order */
 148         SERVER_START_REQ(update_window_zorder)
 149         {
 150             req->window      = wine_server_user_handle(top_level_hwnd);
 151             req->rect.left   = x;
 152             req->rect.top    = y;
 153             req->rect.right  = x + 1;
 154             req->rect.bottom = y + 1;
 155             wine_server_call(req);
 156         }
 157         SERVER_END_REQ;
 158     }
 159
 160     input.type              = INPUT_MOUSE;
 161     input.mi.dx             = x;
 162     input.mi.dy             = y;
 163     input.mi.mouseData      = mouse_data;
 164     input.mi.dwFlags        = flags;
 165     input.mi.time           = time;
 166     input.mi.dwExtraInfo    = 0;
 167
 168     __wine_send_input(top_level_hwnd, &input);
 169 }
 170
 171
 172 /***********************************************************************
 173  *              copy_system_cursor_name
 174  */
 175 CFStringRef copy_system_cursor_name(ICONINFOEXW *info)
 176 {
 177     static const WCHAR idW[] = {'%','h','u',0};
 178     const struct system_cursors *cursors;
 179     unsigned int i;
 180     CFStringRef cursor_name = NULL;
 181     HMODULE module;
 182     HKEY key;
 183     WCHAR *p, name[MAX_PATH * 2];
 184
 185     TRACE("info->szModName %s info->szResName %s info->wResID %hu\n", debugstr_w(info->szModName),
 186           debugstr_w(info->szResName), info->wResID);
 187
 188     if (!info->szModName[0]) return NULL;
 189
 190     p = strrchrW(info->szModName, '\\');
 191     strcpyW(name, p ? p + 1 : info->szModName);
 192     p = name + strlenW(name);
 193     *p++ = ',';
 194     if (info->szResName[0]) strcpyW(p, info->szResName);
 195     else sprintfW(p, idW, info->wResID);
 196
 197     /* @@ Wine registry key: HKCU\Software\Wine\Mac Driver\Cursors */
 198     if (!RegOpenKeyA(HKEY_CURRENT_USER, "Software\\Wine\\Mac Driver\\Cursors", &key))
 199     {
 200         WCHAR value[64];
 201         DWORD size, ret;
 202
 203         value[0] = 0;
 204         size = sizeof(value);
 205         ret = RegQueryValueExW(key, name, NULL, NULL, (BYTE *)value, &size);
 206         RegCloseKey(key);
 207         if (!ret)
 208         {
 209             if (!value[0])
 210             {
 211                 TRACE("registry forces standard cursor for %s\n", debugstr_w(name));
 212                 return NULL; /* force standard cursor */
 213             }
 214
 215             cursor_name = CFStringCreateWithCharacters(NULL, value, strlenW(value));
 216             if (!cursor_name)
 217             {
 218                 WARN("CFStringCreateWithCharacters failed for %s\n", debugstr_w(value));
 219                 return NULL;
 220             }
 221
 222             /* Make sure it's one of the appropriate NSCursor class methods. */
 223             for (i = 0; i < ARRAY_SIZE(cocoa_cursor_names); i++)
 224                 if (CFEqual(cursor_name, cocoa_cursor_names[i]))
 225                     goto done;
 226
 227             WARN("%s mapped to invalid Cocoa cursor name %s\n", debugstr_w(name), debugstr_w(value));
 228             CFRelease(cursor_name);
 229             return NULL;
 230         }
 231     }
 232
 233     if (info->szResName[0]) goto done;  /* only integer resources are supported here */
 234     if (!(module = GetModuleHandleW(info->szModName))) goto done;
 235
 236     for (i = 0; i < ARRAY_SIZE(module_cursors); i++)
 237         if (GetModuleHandleW(module_cursors[i].name) == module) break;
 238     if (i == ARRAY_SIZE(module_cursors)) goto done;
 239
 240     cursors = module_cursors[i].cursors;
 241     for (i = 0; cursors[i].id; i++)
 242         if (cursors[i].id == info->wResID)
 243         {
 244             cursor_name = CFRetain(cursors[i].name);
 245             break;
 246         }
 247
 248 done:
 249     if (cursor_name)
 250         TRACE("%s -> %s\n", debugstr_w(name), debugstr_cf(cursor_name));
 251     else
 252         WARN("no system cursor found for %s\n", debugstr_w(name));
 253     return cursor_name;
 254 }
 255
 256 /***********************************************************************
 257  *              create_monochrome_cursor
 258  */
 259 CFArrayRef create_monochrome_cursor(HDC hdc, const ICONINFOEXW *icon, int width, int height)
 260 {
 261     char buffer[FIELD_OFFSET(BITMAPINFO, bmiColors[256])];
 262     BITMAPINFO *info = (BITMAPINFO *)buffer;
 263     unsigned int width_bytes = (width + 31) / 32 * 4;
 264     unsigned long *and_bits = NULL, *xor_bits;
 265     unsigned long *data_bits;
 266     int count, i;
 267     CGColorSpaceRef colorspace;
 268     CFMutableDataRef data;
 269     CGDataProviderRef provider;
 270     CGImageRef cgimage, cgmask, cgmasked;
 271     CGPoint hot_spot;
 272     CFDictionaryRef hot_spot_dict;
 273     const CFStringRef keys[] = { CFSTR("image"), CFSTR("hotSpot") };
 274     CFTypeRef values[ARRAY_SIZE(keys)];
 275     CFDictionaryRef frame;
 276     CFArrayRef frames;
 277
 278     TRACE("hdc %p icon->hbmMask %p icon->xHotspot %d icon->yHotspot %d width %d height %d\n",
 279           hdc, icon->hbmMask, icon->xHotspot, icon->yHotspot, width, height);
 280
 281     info->bmiHeader.biSize = sizeof(BITMAPINFOHEADER);
 282     info->bmiHeader.biWidth = width;
 283     info->bmiHeader.biHeight = -height * 2;
 284     info->bmiHeader.biPlanes = 1;
 285     info->bmiHeader.biBitCount = 1;
 286     info->bmiHeader.biCompression = BI_RGB;
 287     info->bmiHeader.biSizeImage = width_bytes * height * 2;
 288     info->bmiHeader.biXPelsPerMeter = 0;
 289     info->bmiHeader.biYPelsPerMeter = 0;
 290     info->bmiHeader.biClrUsed = 0;
 291     info->bmiHeader.biClrImportant = 0;
 292
 293     and_bits = HeapAlloc(GetProcessHeap(), 0, info->bmiHeader.biSizeImage);
 294     if (!and_bits)
 295     {
 296         WARN("failed to allocate and_bits\n");
 297         return NULL;
 298     }
 299     xor_bits = (unsigned long*)((char*)and_bits + info->bmiHeader.biSizeImage / 2);
 300
 301     if (!GetDIBits(hdc, icon->hbmMask, 0, height * 2, and_bits, info, DIB_RGB_COLORS))
 302     {
 303         WARN("GetDIBits failed\n");
 304         HeapFree(GetProcessHeap(), 0, and_bits);
 305         return NULL;
 306     }
 307
 308     /* On Windows, the pixels of a monochrome cursor can have four effects:
 309        draw black, draw white, leave unchanged (transparent), or invert.  The Mac
 310        only supports the first three.  It can't do pixels which invert the
 311        background.  Since the background is usually white, I am arbitrarily
 312        mapping "invert" to "draw black".  This entails bitwise math between the
 313        cursor's AND mask and XOR mask:
 314
 315             AND | XOR | Windows cursor pixel
 316             --------------------------------
 317              0  |  0  | black
 318              0  |  1  | white
 319              1  |  0  | transparent
 320              1  |  1  | invert
 321
 322             AND | XOR | Mac image
 323             ---------------------
 324              0  |  0  | black (0)
 325              0  |  1  | white (1)
 326              1  |  0  | don't care
 327              1  |  1  | black (0)
 328
 329             AND | XOR | Mac mask
 330             ---------------------------
 331              0  |  0  | paint (0)
 332              0  |  1  | paint (0)
 333              1  |  0  | don't paint (1)
 334              1  |  1  | paint (0)
 335
 336        So, Mac image = AND ^ XOR and Mac mask = AND & ~XOR.
 337       */
 338     /* Create data for Mac image. */
 339     data = CFDataCreateMutable(NULL, info->bmiHeader.biSizeImage / 2);
 340     if (!data)
 341     {
 342         WARN("failed to create data\n");
 343         HeapFree(GetProcessHeap(), 0, and_bits);
 344         return NULL;
 345     }
 346
 347     /* image data = AND mask */
 348     CFDataAppendBytes(data, (UInt8*)and_bits, info->bmiHeader.biSizeImage / 2);
 349     /* image data ^= XOR mask */
 350     data_bits = (unsigned long*)CFDataGetMutableBytePtr(data);
 351     count = (info->bmiHeader.biSizeImage / 2) / sizeof(*data_bits);
 352     for (i = 0; i < count; i++)
 353         data_bits[i] ^= xor_bits[i];
 354
 355     colorspace = CGColorSpaceCreateWithName(kCGColorSpaceGenericGrayGamma2_2);
 356     if (!colorspace)
 357     {
 358         WARN("failed to create colorspace\n");
 359         CFRelease(data);
 360         HeapFree(GetProcessHeap(), 0, and_bits);
 361         return NULL;
 362     }
 363
 364     provider = CGDataProviderCreateWithCFData(data);
 365     CFRelease(data);
 366     if (!provider)
 367     {
 368         WARN("failed to create data provider\n");
 369         CGColorSpaceRelease(colorspace);
 370         HeapFree(GetProcessHeap(), 0, and_bits);
 371         return NULL;
 372     }
 373
 374     cgimage = CGImageCreate(width, height, 1, 1, width_bytes, colorspace,
 375                             kCGImageAlphaNone | kCGBitmapByteOrderDefault,
 376                             provider, NULL, FALSE, kCGRenderingIntentDefault);
 377     CGDataProviderRelease(provider);
 378     CGColorSpaceRelease(colorspace);
 379     if (!cgimage)
 380     {
 381         WARN("failed to create image\n");
 382         HeapFree(GetProcessHeap(), 0, and_bits);
 383         return NULL;
 384     }
 385
 386     /* Create data for mask. */
 387     data = CFDataCreateMutable(NULL, info->bmiHeader.biSizeImage / 2);
 388     if (!data)
 389     {
 390         WARN("failed to create data\n");
 391         CGImageRelease(cgimage);
 392         HeapFree(GetProcessHeap(), 0, and_bits);
 393         return NULL;
 394     }
 395
 396     /* mask data = AND mask */
 397     CFDataAppendBytes(data, (UInt8*)and_bits, info->bmiHeader.biSizeImage / 2);
 398     /* mask data &= ~XOR mask */
 399     data_bits = (unsigned long*)CFDataGetMutableBytePtr(data);
 400     for (i = 0; i < count; i++)
 401         data_bits[i] &= ~xor_bits[i];
 402     HeapFree(GetProcessHeap(), 0, and_bits);
 403
 404     provider = CGDataProviderCreateWithCFData(data);
 405     CFRelease(data);
 406     if (!provider)
 407     {
 408         WARN("failed to create data provider\n");
 409         CGImageRelease(cgimage);
 410         return NULL;
 411     }
 412
 413     cgmask = CGImageMaskCreate(width, height, 1, 1, width_bytes, provider, NULL, FALSE);
 414     CGDataProviderRelease(provider);
 415     if (!cgmask)
 416     {
 417         WARN("failed to create mask image\n");
 418         CGImageRelease(cgimage);
 419         return NULL;
 420     }
 421
 422     cgmasked = CGImageCreateWithMask(cgimage, cgmask);
 423     CGImageRelease(cgimage);
 424     CGImageRelease(cgmask);
 425     if (!cgmasked)
 426     {
 427         WARN("failed to create masked image\n");
 428         return NULL;
 429     }
 430
 431     hot_spot = CGPointMake(icon->xHotspot, icon->yHotspot);
 432     hot_spot_dict = CGPointCreateDictionaryRepresentation(hot_spot);
 433     if (!hot_spot_dict)
 434     {
 435         WARN("failed to create hot spot dictionary\n");
 436         CGImageRelease(cgmasked);
 437         return NULL;
 438     }
 439
 440     values[0] = cgmasked;
 441     values[1] = hot_spot_dict;
 442     frame = CFDictionaryCreate(NULL, (const void**)keys, values, ARRAY_SIZE(keys),
 443                                &kCFCopyStringDictionaryKeyCallBacks,
 444                                &kCFTypeDictionaryValueCallBacks);
 445     CFRelease(hot_spot_dict);
 446     CGImageRelease(cgmasked);
 447     if (!frame)
 448     {
 449         WARN("failed to create frame dictionary\n");
 450         return NULL;
 451     }
 452
 453     frames = CFArrayCreate(NULL, (const void**)&frame, 1, &kCFTypeArrayCallBacks);
 454     CFRelease(frame);
 455     if (!frames)
 456     {
 457         WARN("failed to create frames array\n");
 458         return NULL;
 459     }
 460
 461     return frames;
 462 }
 463
 464
 465 /***********************************************************************
 466  *              create_cursor_frame
 467  *
 468  * Create a frame dictionary for a cursor from a Windows icon.
 469  * Keys:
 470  *      "image"     a CGImage for the frame
 471  *      "duration"  a CFNumber for the frame duration in seconds
 472  *      "hotSpot"   a CFDictionary encoding a CGPoint for the hot spot
 473  */
 474 static CFDictionaryRef create_cursor_frame(HDC hdc, const ICONINFOEXW *iinfo, HANDLE icon,
 475                                            HBITMAP hbmColor, unsigned char *color_bits, int color_size,
 476                                            HBITMAP hbmMask, unsigned char *mask_bits, int mask_size,
 477                                            int width, int height, int istep)
 478 {
 479     DWORD delay_jiffies, num_steps;
 480     CFMutableDictionaryRef frame;
 481     CGPoint hot_spot;
 482     CFDictionaryRef hot_spot_dict;
 483     double duration;
 484     CFNumberRef duration_number;
 485     CGImageRef cgimage;
 486
 487     TRACE("hdc %p iinfo->xHotspot %d iinfo->yHotspot %d icon %p hbmColor %p color_bits %p color_size %d"
 488           " hbmMask %p mask_bits %p mask_size %d width %d height %d istep %d\n",
 489           hdc, iinfo->xHotspot, iinfo->yHotspot, icon, hbmColor, color_bits, color_size,
 490           hbmMask, mask_bits, mask_size, width, height, istep);
 491
 492     frame = CFDictionaryCreateMutable(NULL, 0, &kCFCopyStringDictionaryKeyCallBacks,
 493                                       &kCFTypeDictionaryValueCallBacks);
 494     if (!frame)
 495     {
 496         WARN("failed to allocate dictionary for frame\n");
 497         return NULL;
 498     }
 499
 500     hot_spot = CGPointMake(iinfo->xHotspot, iinfo->yHotspot);
 501     hot_spot_dict = CGPointCreateDictionaryRepresentation(hot_spot);
 502     if (!hot_spot_dict)
 503     {
 504         WARN("failed to create hot spot dictionary\n");
 505         CFRelease(frame);
 506         return NULL;
 507     }
 508     CFDictionarySetValue(frame, CFSTR("hotSpot"), hot_spot_dict);
 509     CFRelease(hot_spot_dict);
 510
 511     if (GetCursorFrameInfo(icon, 0x0 /* unknown parameter */, istep, &delay_jiffies, &num_steps) != 0)
 512         duration = delay_jiffies / 60.0; /* convert jiffies (1/60s) to seconds */
 513     else
 514     {
 515         WARN("Failed to retrieve animated cursor frame-rate for frame %d.\n", istep);
 516         duration = 0.1; /* fallback delay, 100 ms */
 517     }
 518     duration_number = CFNumberCreate(NULL, kCFNumberDoubleType, &duration);
 519     if (!duration_number)
 520     {
 521         WARN("failed to create duration number\n");
 522         CFRelease(frame);
 523         return NULL;
 524     }
 525     CFDictionarySetValue(frame, CFSTR("duration"), duration_number);
 526     CFRelease(duration_number);
 527
 528     cgimage = create_cgimage_from_icon_bitmaps(hdc, icon, hbmColor, color_bits, color_size,
 529                                                hbmMask, mask_bits, mask_size, width, height, istep);
 530     if (!cgimage)
 531     {
 532         CFRelease(frame);
 533         return NULL;
 534     }
 535
 536     CFDictionarySetValue(frame, CFSTR("image"), cgimage);
 537     CGImageRelease(cgimage);
 538
 539     return frame;
 540 }
 541
 542
 543 /***********************************************************************
 544  *              create_color_cursor
 545  *
 546  * Create an array of color cursor frames from a Windows cursor.  Each
 547  * frame is represented in the array by a dictionary.
 548  * Frame dictionary keys:
 549  *      "image"     a CGImage for the frame
 550  *      "duration"  a CFNumber for the frame duration in seconds
 551  *      "hotSpot"   a CFDictionary encoding a CGPoint for the hot spot
 552  */
 553 static CFArrayRef create_color_cursor(HDC hdc, const ICONINFOEXW *iinfo, HANDLE icon, int width, int height)
 554 {
 555     unsigned char *color_bits, *mask_bits;
 556     HBITMAP hbmColor = 0, hbmMask = 0;
 557     DWORD nFrames, delay_jiffies, i;
 558     int color_size, mask_size;
 559     BITMAPINFO *info = NULL;
 560     CFMutableArrayRef frames;
 561
 562     TRACE("hdc %p iinfo %p icon %p width %d height %d\n", hdc, iinfo, icon, width, height);
 563
 564     /* Retrieve the number of frames to render */
 565     if (!GetCursorFrameInfo(icon, 0x0 /* unknown parameter */, 0, &delay_jiffies, &nFrames))
 566     {
 567         WARN("GetCursorFrameInfo failed\n");
 568         return NULL;
 569     }
 570     if (!(frames = CFArrayCreateMutable(NULL, nFrames, &kCFTypeArrayCallBacks)))
 571     {
 572         WARN("failed to allocate frames array\n");
 573         return NULL;
 574     }
 575
 576     /* Allocate all of the resources necessary to obtain a cursor frame */
 577     if (!(info = HeapAlloc(GetProcessHeap(), 0, FIELD_OFFSET(BITMAPINFO, bmiColors[256])))) goto cleanup;
 578     info->bmiHeader.biSize = sizeof(BITMAPINFOHEADER);
 579     info->bmiHeader.biWidth = width;
 580     info->bmiHeader.biHeight = -height;
 581     info->bmiHeader.biPlanes = 1;
 582     info->bmiHeader.biCompression = BI_RGB;
 583     info->bmiHeader.biXPelsPerMeter = 0;
 584     info->bmiHeader.biYPelsPerMeter = 0;
 585     info->bmiHeader.biClrUsed = 0;
 586     info->bmiHeader.biClrImportant = 0;
 587     info->bmiHeader.biBitCount = 32;
 588     color_size = width * height * 4;
 589     info->bmiHeader.biSizeImage = color_size;
 590     hbmColor = CreateDIBSection(hdc, info, DIB_RGB_COLORS, (VOID **) &color_bits, NULL, 0);
 591     if (!hbmColor)
 592     {
 593         WARN("failed to create DIB section for cursor color data\n");
 594         goto cleanup;
 595     }
 596     info->bmiHeader.biBitCount = 1;
 597     info->bmiColors[0].rgbRed      = 0;
 598     info->bmiColors[0].rgbGreen    = 0;
 599     info->bmiColors[0].rgbBlue     = 0;
 600     info->bmiColors[0].rgbReserved = 0;
 601     info->bmiColors[1].rgbRed      = 0xff;
 602     info->bmiColors[1].rgbGreen    = 0xff;
 603     info->bmiColors[1].rgbBlue     = 0xff;
 604     info->bmiColors[1].rgbReserved = 0;
 605
 606     mask_size = ((width + 31) / 32 * 4) * height; /* width_bytes * height */
 607     info->bmiHeader.biSizeImage = mask_size;
 608     hbmMask = CreateDIBSection(hdc, info, DIB_RGB_COLORS, (VOID **) &mask_bits, NULL, 0);
 609     if (!hbmMask)
 610     {
 611         WARN("failed to create DIB section for cursor mask data\n");
 612         goto cleanup;
 613     }
 614
 615     /* Create a CFDictionary for each frame of the cursor */
 616     for (i = 0; i < nFrames; i++)
 617     {
 618         CFDictionaryRef frame = create_cursor_frame(hdc, iinfo, icon,
 619                                                     hbmColor, color_bits, color_size,
 620                                                     hbmMask, mask_bits, mask_size,
 621                                                     width, height, i);
 622         if (!frame) goto cleanup;
 623         CFArrayAppendValue(frames, frame);
 624         CFRelease(frame);
 625     }
 626
 627 cleanup:
 628     if (CFArrayGetCount(frames) < nFrames)
 629     {
 630         CFRelease(frames);
 631         frames = NULL;
 632     }
 633     else
 634         TRACE("returning cursor with %d frames\n", nFrames);
 635     /* Cleanup all of the resources used to obtain the frame data */
 636     if (hbmColor) DeleteObject(hbmColor);
 637     if (hbmMask) DeleteObject(hbmMask);
 638     HeapFree(GetProcessHeap(), 0, info);
 639     return frames;
 640 }
 641
 642
 643 /***********************************************************************
 644  *              DestroyCursorIcon (MACDRV.@)
 645  */
 646 void CDECL macdrv_DestroyCursorIcon(HCURSOR cursor)
 647 {
 648     TRACE("cursor %p\n", cursor);
 649
 650     EnterCriticalSection(&cursor_cache_section);
 651     if (cursor_cache)
 652         CFDictionaryRemoveValue(cursor_cache, cursor);
 653     LeaveCriticalSection(&cursor_cache_section);
 654 }
 655
 656
 657 /***********************************************************************
 658  *              ClipCursor (MACDRV.@)
 659  *
 660  * Set the cursor clipping rectangle.
 661  */
 662 BOOL CDECL macdrv_ClipCursor(LPCRECT clip)
 663 {
 664     CGRect rect;
 665
 666     TRACE("%s\n", wine_dbgstr_rect(clip));
 667
 668     if (clip)
 669     {
 670         rect = CGRectMake(clip->left, clip->top, max(1, clip->right - clip->left),
 671                           max(1, clip->bottom - clip->top));
 672     }
 673     else
 674         rect = CGRectInfinite;
 675
 676     /* FIXME: This needs to be done not just in this process but in all of the
 677        ones for this WINEPREFIX.  Broadcast a message to do that. */
 678
 679     return macdrv_clip_cursor(rect);
 680 }
 681
 682
 683 /***********************************************************************
 684  *              GetCursorPos (MACDRV.@)
 685  */
 686 BOOL CDECL macdrv_GetCursorPos(LPPOINT pos)
 687 {
 688     CGPoint pt;
 689     BOOL ret;
 690
 691     ret = macdrv_get_cursor_position(&pt);
 692     if (ret)
 693     {
 694         TRACE("pointer at (%g,%g) server pos %d,%d\n", pt.x, pt.y, pos->x, pos->y);
 695         pos->x = floor(pt.x);
 696         pos->y = floor(pt.y);
 697     }
 698     return ret;
 699 }
 700
 701
 702 /***********************************************************************
 703  *              SetCapture (MACDRV.@)
 704  */
 705  void CDECL macdrv_SetCapture(HWND hwnd, UINT flags)
 706 {
 707     struct macdrv_thread_data *thread_data = macdrv_thread_data();
 708     HWND top = GetAncestor(hwnd, GA_ROOT);
 709     macdrv_window cocoa_window = macdrv_get_cocoa_window(top, FALSE);
 710
 711     TRACE("hwnd %p top %p/%p flags 0x%08x\n", hwnd, top, cocoa_window, flags);
 712
 713     if (!thread_data) return;
 714
 715     thread_data->capture_window = cocoa_window;
 716     macdrv_set_mouse_capture_window(cocoa_window);
 717 }
 718
 719
 720 /***********************************************************************
 721  *              SetCursor (MACDRV.@)
 722  */
 723 void CDECL macdrv_SetCursor(HCURSOR cursor)
 724 {
 725     CFStringRef cursor_name = NULL;
 726     CFArrayRef cursor_frames = NULL;
 727
 728     TRACE("%p\n", cursor);
 729
 730     if (cursor)
 731     {
 732         ICONINFOEXW info;
 733
 734         EnterCriticalSection(&cursor_cache_section);
 735         if (cursor_cache)
 736         {
 737             CFTypeRef cached_cursor = CFDictionaryGetValue(cursor_cache, cursor);
 738             if (cached_cursor)
 739             {
 740                 if (CFGetTypeID(cached_cursor) == CFStringGetTypeID())
 741                     cursor_name = CFRetain(cached_cursor);
 742                 else
 743                     cursor_frames = CFRetain(cached_cursor);
 744             }
 745         }
 746         LeaveCriticalSection(&cursor_cache_section);
 747         if (cursor_name || cursor_frames)
 748             goto done;
 749
 750         info.cbSize = sizeof(info);
 751         if (!GetIconInfoExW(cursor, &info))
 752         {
 753             WARN("GetIconInfoExW failed\n");
 754             return;
 755         }
 756
 757         if ((cursor_name = copy_system_cursor_name(&info)))
 758         {
 759             DeleteObject(info.hbmColor);
 760             DeleteObject(info.hbmMask);
 761         }
 762         else
 763         {
 764             BITMAP bm;
 765             HDC hdc;
 766
 767             GetObjectW(info.hbmMask, sizeof(bm), &bm);
 768             if (!info.hbmColor) bm.bmHeight = max(1, bm.bmHeight / 2);
 769
 770             /* make sure hotspot is valid */
 771             if (info.xHotspot >= bm.bmWidth || info.yHotspot >= bm.bmHeight)
 772             {
 773                 info.xHotspot = bm.bmWidth / 2;
 774                 info.yHotspot = bm.bmHeight / 2;
 775             }
 776
 777             hdc = CreateCompatibleDC(0);
 778
 779             if (info.hbmColor)
 780             {
 781                 cursor_frames = create_color_cursor(hdc, &info, cursor, bm.bmWidth, bm.bmHeight);
 782                 DeleteObject(info.hbmColor);
 783             }
 784             else
 785                 cursor_frames = create_monochrome_cursor(hdc, &info, bm.bmWidth, bm.bmHeight);
 786
 787             DeleteObject(info.hbmMask);
 788             DeleteDC(hdc);
 789         }
 790
 791         if (cursor_name || cursor_frames)
 792         {
 793             EnterCriticalSection(&cursor_cache_section);
 794             if (!cursor_cache)
 795                 cursor_cache = CFDictionaryCreateMutable(NULL, 0, NULL,
 796                                                          &kCFTypeDictionaryValueCallBacks);
 797             CFDictionarySetValue(cursor_cache, cursor,
 798                                  cursor_name ? (CFTypeRef)cursor_name : (CFTypeRef)cursor_frames);
 799             LeaveCriticalSection(&cursor_cache_section);
 800         }
 801         else
 802             cursor_name = CFRetain(CFSTR("arrowCursor"));
 803     }
 804
 805 done:
 806     TRACE("setting cursor with cursor_name %s cursor_frames %p\n", debugstr_cf(cursor_name), cursor_frames);
 807     macdrv_set_cursor(cursor_name, cursor_frames);
 808     if (cursor_name) CFRelease(cursor_name);
 809     if (cursor_frames) CFRelease(cursor_frames);
 810 }
 811
 812
 813 /***********************************************************************
 814  *              SetCursorPos (MACDRV.@)
 815  */
 816 BOOL CDECL macdrv_SetCursorPos(INT x, INT y)
 817 {
 818     BOOL ret = macdrv_set_cursor_position(CGPointMake(x, y));
 819     if (ret)
 820         TRACE("warped to %d,%d\n", x, y);
 821     else
 822         ERR("failed to warp to %d,%d\n", x, y);
 823     return ret;
 824 }
 825
 826
 827 /***********************************************************************
 828  *              macdrv_mouse_button
 829  *
 830  * Handler for MOUSE_BUTTON events.
 831  */
 832 void macdrv_mouse_button(HWND hwnd, const macdrv_event *event)
 833 {
 834     UINT flags = 0;
 835     WORD data = 0;
 836
 837     TRACE("win %p button %d %s at (%d,%d) time %lu (%lu ticks ago)\n", hwnd, event->mouse_button.button,
 838           (event->mouse_button.pressed ? "pressed" : "released"),
 839           event->mouse_button.x, event->mouse_button.y,
 840           event->mouse_button.time_ms, (GetTickCount() - event->mouse_button.time_ms));
 841
 842     if (event->mouse_button.pressed)
 843     {
 844         switch (event->mouse_button.button)
 845         {
 846         case 0: flags |= MOUSEEVENTF_LEFTDOWN; break;
 847         case 1: flags |= MOUSEEVENTF_RIGHTDOWN; break;
 848         case 2: flags |= MOUSEEVENTF_MIDDLEDOWN; break;
 849         default:
 850             flags |= MOUSEEVENTF_XDOWN;
 851             data = 1 << (event->mouse_button.button - 3);
 852             break;
 853         }
 854     }
 855     else
 856     {
 857         switch (event->mouse_button.button)
 858         {
 859         case 0: flags |= MOUSEEVENTF_LEFTUP; break;
 860         case 1: flags |= MOUSEEVENTF_RIGHTUP; break;
 861         case 2: flags |= MOUSEEVENTF_MIDDLEUP; break;
 862         default:
 863             flags |= MOUSEEVENTF_XUP;
 864             data = 1 << (event->mouse_button.button - 3);
 865             break;
 866         }
 867     }
 868
 869     send_mouse_input(hwnd, event->window, flags | MOUSEEVENTF_ABSOLUTE | MOUSEEVENTF_MOVE,
 870                      event->mouse_button.x, event->mouse_button.y,
 871                      data, FALSE, event->mouse_button.time_ms);
 872 }
 873
 874
 875 /***********************************************************************
 876  *              macdrv_mouse_moved
 877  *
 878  * Handler for MOUSE_MOVED and MOUSE_MOVED_ABSOLUTE events.
 879  */
 880 void macdrv_mouse_moved(HWND hwnd, const macdrv_event *event)
 881 {
 882     UINT flags = MOUSEEVENTF_MOVE;
 883
 884     TRACE("win %p/%p %s (%d,%d) drag %d time %lu (%lu ticks ago)\n", hwnd, event->window,
 885           (event->type == MOUSE_MOVED) ? "relative" : "absolute",
 886           event->mouse_moved.x, event->mouse_moved.y, event->mouse_moved.drag,
 887           event->mouse_moved.time_ms, (GetTickCount() - event->mouse_moved.time_ms));
 888
 889     if (event->type == MOUSE_MOVED_ABSOLUTE)
 890         flags |= MOUSEEVENTF_ABSOLUTE;
 891
 892     send_mouse_input(hwnd, event->window, flags, event->mouse_moved.x, event->mouse_moved.y,
 893                      0, event->mouse_moved.drag, event->mouse_moved.time_ms);
 894 }
 895
 896
 897 /***********************************************************************
 898  *              macdrv_mouse_scroll
 899  *
 900  * Handler for MOUSE_SCROLL events.
 901  */
 902 void macdrv_mouse_scroll(HWND hwnd, const macdrv_event *event)
 903 {
 904     TRACE("win %p/%p scroll (%d,%d) at (%d,%d) time %lu (%lu ticks ago)\n", hwnd,
 905           event->window, event->mouse_scroll.x_scroll, event->mouse_scroll.y_scroll,
 906           event->mouse_scroll.x, event->mouse_scroll.y,
 907           event->mouse_scroll.time_ms, (GetTickCount() - event->mouse_scroll.time_ms));
 908
 909     if (event->mouse_scroll.y_scroll)
 910         send_mouse_input(hwnd, event->window, MOUSEEVENTF_WHEEL | MOUSEEVENTF_ABSOLUTE | MOUSEEVENTF_MOVE,
 911                          event->mouse_scroll.x, event->mouse_scroll.y,
 912                          event->mouse_scroll.y_scroll, FALSE, event->mouse_scroll.time_ms);
 913     if (event->mouse_scroll.x_scroll)
 914         send_mouse_input(hwnd, event->window, MOUSEEVENTF_HWHEEL | MOUSEEVENTF_ABSOLUTE | MOUSEEVENTF_MOVE,
 915                          event->mouse_scroll.x, event->mouse_scroll.y,
 916                          event->mouse_scroll.x_scroll, FALSE, event->mouse_scroll.time_ms);
 917 }
 918
 919
 920 /***********************************************************************
 921  *              macdrv_release_capture
 922  *
 923  * Handler for RELEASE_CAPTURE events.
 924  */
 925 void macdrv_release_capture(HWND hwnd, const macdrv_event *event)
 926 {
 927     struct macdrv_thread_data *thread_data = macdrv_thread_data();
 928     HWND capture = GetCapture();
 929     HWND capture_top = GetAncestor(capture, GA_ROOT);
 930
 931     TRACE("win %p/%p thread_data->capture_window %p GetCapture() %p in %p\n", hwnd,
 932           event->window, thread_data->capture_window, capture, capture_top);
 933
 934     if (event->window == thread_data->capture_window && hwnd == capture_top)
 935     {
 936         ReleaseCapture();
 937         if (!PostMessageW(capture, WM_CANCELMODE, 0, 0))
 938             WARN("failed to post WM_CANCELMODE; error 0x%08x\n", GetLastError());
 939     }
 940 }