| 1 | /* |
| 2 | *Copyright (C) 1994-2000 The XFree86 Project, Inc. All Rights Reserved. |
| 3 | * |
| 4 | *Permission is hereby granted, free of charge, to any person obtaining |
| 5 | * a copy of this software and associated documentation files (the |
| 6 | *"Software"), to deal in the Software without restriction, including |
| 7 | *without limitation the rights to use, copy, modify, merge, publish, |
| 8 | *distribute, sublicense, and/or sell copies of the Software, and to |
| 9 | *permit persons to whom the Software is furnished to do so, subject to |
| 10 | *the following conditions: |
| 11 | * |
| 12 | *The above copyright notice and this permission notice shall be |
| 13 | *included in all copies or substantial portions of the Software. |
| 14 | * |
| 15 | *THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, |
| 16 | *EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
| 17 | *MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND |
| 18 | *NONINFRINGEMENT. IN NO EVENT SHALL THE XFREE86 PROJECT BE LIABLE FOR |
| 19 | *ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF |
| 20 | *CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION |
| 21 | *WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. |
| 22 | * |
| 23 | *Except as contained in this notice, the name of the XFree86 Project |
| 24 | *shall not be used in advertising or otherwise to promote the sale, use |
| 25 | *or other dealings in this Software without prior written authorization |
| 26 | *from the XFree86 Project. |
| 27 | * |
| 28 | * Authors: Dakshinamurthy Karra |
| 29 | * Suhaib M Siddiqi |
| 30 | * Peter Busch |
| 31 | * Harold L Hunt II |
| 32 | */ |
| 33 | |
| 34 | #ifdef HAVE_XWIN_CONFIG_H |
| 35 | #include <xwin-config.h> |
| 36 | #endif |
| 37 | #include "win.h" |
| 38 | #include "winmsg.h" |
| 39 | #include <cursorstr.h> |
| 40 | #include <mipointrst.h> |
| 41 | #include <servermd.h> |
| 42 | #include "misc.h" |
| 43 | |
| 44 | #define BRIGHTNESS(x) (x##Red * 0.299 + x##Green * 0.587 + x##Blue * 0.114) |
| 45 | |
| 46 | #if 0 |
| 47 | #define WIN_DEBUG_MSG winDebug |
| 48 | #else |
| 49 | #define WIN_DEBUG_MSG(...) |
| 50 | #endif |
| 51 | |
| 52 | /* |
| 53 | * Local function prototypes |
| 54 | */ |
| 55 | |
| 56 | static void |
| 57 | winPointerWarpCursor(DeviceIntPtr pDev, ScreenPtr pScreen, int x, int y); |
| 58 | |
| 59 | static Bool |
| 60 | winCursorOffScreen(ScreenPtr *ppScreen, int *x, int *y); |
| 61 | |
| 62 | static void |
| 63 | winCrossScreen(ScreenPtr pScreen, Bool fEntering); |
| 64 | |
| 65 | miPointerScreenFuncRec g_winPointerCursorFuncs = { |
| 66 | winCursorOffScreen, |
| 67 | winCrossScreen, |
| 68 | winPointerWarpCursor |
| 69 | }; |
| 70 | |
| 71 | static void |
| 72 | winPointerWarpCursor(DeviceIntPtr pDev, ScreenPtr pScreen, int x, int y) |
| 73 | { |
| 74 | winScreenPriv(pScreen); |
| 75 | RECT rcClient; |
| 76 | static Bool s_fInitialWarp = TRUE; |
| 77 | |
| 78 | /* Discard first warp call */ |
| 79 | if (s_fInitialWarp) { |
| 80 | /* First warp moves mouse to center of window, just ignore it */ |
| 81 | |
| 82 | /* Don't ignore subsequent warps */ |
| 83 | s_fInitialWarp = FALSE; |
| 84 | |
| 85 | winErrorFVerb(2, |
| 86 | "winPointerWarpCursor - Discarding first warp: %d %d\n", |
| 87 | x, y); |
| 88 | |
| 89 | return; |
| 90 | } |
| 91 | |
| 92 | /* |
| 93 | Only update the Windows cursor position if root window is active, |
| 94 | or we are in a rootless mode |
| 95 | */ |
| 96 | if ((pScreenPriv->hwndScreen == GetForegroundWindow()) |
| 97 | || pScreenPriv->pScreenInfo->fRootless |
| 98 | #ifdef XWIN_MULTIWINDOW |
| 99 | || pScreenPriv->pScreenInfo->fMultiWindow |
| 100 | #endif |
| 101 | ) { |
| 102 | /* Get the client area coordinates */ |
| 103 | GetClientRect(pScreenPriv->hwndScreen, &rcClient); |
| 104 | |
| 105 | /* Translate the client area coords to screen coords */ |
| 106 | MapWindowPoints(pScreenPriv->hwndScreen, |
| 107 | HWND_DESKTOP, (LPPOINT) &rcClient, 2); |
| 108 | |
| 109 | /* |
| 110 | * Update the Windows cursor position so that we don't |
| 111 | * immediately warp back to the current position. |
| 112 | */ |
| 113 | SetCursorPos(rcClient.left + x, rcClient.top + y); |
| 114 | } |
| 115 | |
| 116 | /* Call the mi warp procedure to do the actual warping in X. */ |
| 117 | miPointerWarpCursor(pDev, pScreen, x, y); |
| 118 | } |
| 119 | |
| 120 | static Bool |
| 121 | winCursorOffScreen(ScreenPtr *ppScreen, int *x, int *y) |
| 122 | { |
| 123 | return FALSE; |
| 124 | } |
| 125 | |
| 126 | static void |
| 127 | winCrossScreen(ScreenPtr pScreen, Bool fEntering) |
| 128 | { |
| 129 | } |
| 130 | |
| 131 | static unsigned char |
| 132 | reverse(unsigned char c) |
| 133 | { |
| 134 | int i; |
| 135 | unsigned char ret = 0; |
| 136 | |
| 137 | for (i = 0; i < 8; ++i) { |
| 138 | ret |= ((c >> i) & 1) << (7 - i); |
| 139 | } |
| 140 | return ret; |
| 141 | } |
| 142 | |
| 143 | /* |
| 144 | * Convert X cursor to Windows cursor |
| 145 | * FIXME: Perhaps there are more smart code |
| 146 | */ |
| 147 | static HCURSOR |
| 148 | winLoadCursor(ScreenPtr pScreen, CursorPtr pCursor, int screen) |
| 149 | { |
| 150 | winScreenPriv(pScreen); |
| 151 | HCURSOR hCursor = NULL; |
| 152 | unsigned char *pAnd; |
| 153 | unsigned char *pXor; |
| 154 | int nCX, nCY; |
| 155 | int nBytes; |
| 156 | double dForeY, dBackY; |
| 157 | BOOL fReverse; |
| 158 | HBITMAP hAnd, hXor; |
| 159 | ICONINFO ii; |
| 160 | unsigned char *pCur; |
| 161 | unsigned char bit; |
| 162 | HDC hDC; |
| 163 | BITMAPV4HEADER bi; |
| 164 | BITMAPINFO *pbmi; |
| 165 | uint32_t *lpBits; |
| 166 | |
| 167 | WIN_DEBUG_MSG("winLoadCursor: Win32: %dx%d X11: %dx%d hotspot: %d,%d\n", |
| 168 | pScreenPriv->cursor.sm_cx, pScreenPriv->cursor.sm_cy, |
| 169 | pCursor->bits->width, pCursor->bits->height, |
| 170 | pCursor->bits->xhot, pCursor->bits->yhot); |
| 171 | |
| 172 | /* We can use only White and Black, so calc brightness of color |
| 173 | * Also check if the cursor is inverted */ |
| 174 | dForeY = BRIGHTNESS(pCursor->fore); |
| 175 | dBackY = BRIGHTNESS(pCursor->back); |
| 176 | fReverse = dForeY < dBackY; |
| 177 | |
| 178 | /* Check wether the X11 cursor is bigger than the win32 cursor */ |
| 179 | if (pScreenPriv->cursor.sm_cx < pCursor->bits->width || |
| 180 | pScreenPriv->cursor.sm_cy < pCursor->bits->height) { |
| 181 | winErrorFVerb(3, |
| 182 | "winLoadCursor - Windows requires %dx%d cursor but X requires %dx%d\n", |
| 183 | pScreenPriv->cursor.sm_cx, pScreenPriv->cursor.sm_cy, |
| 184 | pCursor->bits->width, pCursor->bits->height); |
| 185 | } |
| 186 | |
| 187 | /* Get the number of bytes required to store the whole cursor image |
| 188 | * This is roughly (sm_cx * sm_cy) / 8 |
| 189 | * round up to 8 pixel boundary so we can convert whole bytes */ |
| 190 | nBytes = |
| 191 | bits_to_bytes(pScreenPriv->cursor.sm_cx) * pScreenPriv->cursor.sm_cy; |
| 192 | |
| 193 | /* Get the effective width and height */ |
| 194 | nCX = min(pScreenPriv->cursor.sm_cx, pCursor->bits->width); |
| 195 | nCY = min(pScreenPriv->cursor.sm_cy, pCursor->bits->height); |
| 196 | |
| 197 | /* Allocate memory for the bitmaps */ |
| 198 | pAnd = malloc(nBytes); |
| 199 | memset(pAnd, 0xFF, nBytes); |
| 200 | pXor = calloc(1, nBytes); |
| 201 | |
| 202 | /* Convert the X11 bitmap to a win32 bitmap |
| 203 | * The first is for an empty mask */ |
| 204 | if (pCursor->bits->emptyMask) { |
| 205 | int x, y, xmax = bits_to_bytes(nCX); |
| 206 | |
| 207 | for (y = 0; y < nCY; ++y) |
| 208 | for (x = 0; x < xmax; ++x) { |
| 209 | int nWinPix = bits_to_bytes(pScreenPriv->cursor.sm_cx) * y + x; |
| 210 | int nXPix = BitmapBytePad(pCursor->bits->width) * y + x; |
| 211 | |
| 212 | pAnd[nWinPix] = 0; |
| 213 | if (fReverse) |
| 214 | pXor[nWinPix] = reverse(~pCursor->bits->source[nXPix]); |
| 215 | else |
| 216 | pXor[nWinPix] = reverse(pCursor->bits->source[nXPix]); |
| 217 | } |
| 218 | } |
| 219 | else { |
| 220 | int x, y, xmax = bits_to_bytes(nCX); |
| 221 | |
| 222 | for (y = 0; y < nCY; ++y) |
| 223 | for (x = 0; x < xmax; ++x) { |
| 224 | int nWinPix = bits_to_bytes(pScreenPriv->cursor.sm_cx) * y + x; |
| 225 | int nXPix = BitmapBytePad(pCursor->bits->width) * y + x; |
| 226 | |
| 227 | unsigned char mask = pCursor->bits->mask[nXPix]; |
| 228 | |
| 229 | pAnd[nWinPix] = reverse(~mask); |
| 230 | if (fReverse) |
| 231 | pXor[nWinPix] = |
| 232 | reverse(~pCursor->bits->source[nXPix] & mask); |
| 233 | else |
| 234 | pXor[nWinPix] = |
| 235 | reverse(pCursor->bits->source[nXPix] & mask); |
| 236 | } |
| 237 | } |
| 238 | |
| 239 | /* prepare the pointers */ |
| 240 | hCursor = NULL; |
| 241 | lpBits = NULL; |
| 242 | |
| 243 | /* We have a truecolor alpha-blended cursor and can use it! */ |
| 244 | if (pCursor->bits->argb) { |
| 245 | WIN_DEBUG_MSG("winLoadCursor: Trying truecolor alphablended cursor\n"); |
| 246 | memset(&bi, 0, sizeof(BITMAPV4HEADER)); |
| 247 | bi.bV4Size = sizeof(BITMAPV4HEADER); |
| 248 | bi.bV4Width = pScreenPriv->cursor.sm_cx; |
| 249 | bi.bV4Height = -(pScreenPriv->cursor.sm_cy); /* right-side up */ |
| 250 | bi.bV4Planes = 1; |
| 251 | bi.bV4BitCount = 32; |
| 252 | bi.bV4V4Compression = BI_BITFIELDS; |
| 253 | bi.bV4RedMask = 0x00FF0000; |
| 254 | bi.bV4GreenMask = 0x0000FF00; |
| 255 | bi.bV4BlueMask = 0x000000FF; |
| 256 | bi.bV4AlphaMask = 0xFF000000; |
| 257 | |
| 258 | lpBits = |
| 259 | (uint32_t *) calloc(pScreenPriv->cursor.sm_cx * |
| 260 | pScreenPriv->cursor.sm_cy, |
| 261 | sizeof(uint32_t)); |
| 262 | |
| 263 | if (lpBits) { |
| 264 | int y; |
| 265 | for (y = 0; y < nCY; y++) { |
| 266 | void *src, *dst; |
| 267 | src = &(pCursor->bits->argb[y * pCursor->bits->width]); |
| 268 | dst = &(lpBits[y * pScreenPriv->cursor.sm_cx]); |
| 269 | memcpy(dst, src, 4 * nCX); |
| 270 | } |
| 271 | } |
| 272 | } /* End if-truecolor-icon */ |
| 273 | |
| 274 | if (!lpBits) { |
| 275 | RGBQUAD *pbmiColors; |
| 276 | /* Bicolor, use a palettized DIB */ |
| 277 | WIN_DEBUG_MSG("winLoadCursor: Trying two color cursor\n"); |
| 278 | pbmi = (BITMAPINFO *) &bi; |
| 279 | pbmiColors = &(pbmi->bmiColors[0]); |
| 280 | |
| 281 | memset(pbmi, 0, sizeof(BITMAPINFOHEADER)); |
| 282 | pbmi->bmiHeader.biSize = sizeof(BITMAPINFOHEADER); |
| 283 | pbmi->bmiHeader.biWidth = pScreenPriv->cursor.sm_cx; |
| 284 | pbmi->bmiHeader.biHeight = -abs(pScreenPriv->cursor.sm_cy); /* right-side up */ |
| 285 | pbmi->bmiHeader.biPlanes = 1; |
| 286 | pbmi->bmiHeader.biBitCount = 8; |
| 287 | pbmi->bmiHeader.biCompression = BI_RGB; |
| 288 | pbmi->bmiHeader.biSizeImage = 0; |
| 289 | pbmi->bmiHeader.biClrUsed = 3; |
| 290 | pbmi->bmiHeader.biClrImportant = 3; |
| 291 | |
| 292 | pbmiColors[0].rgbRed = 0; /* Empty */ |
| 293 | pbmiColors[0].rgbGreen = 0; |
| 294 | pbmiColors[0].rgbBlue = 0; |
| 295 | pbmiColors[0].rgbReserved = 0; |
| 296 | pbmiColors[1].rgbRed = pCursor->backRed >> 8; /* Background */ |
| 297 | pbmiColors[1].rgbGreen = pCursor->backGreen >> 8; |
| 298 | pbmiColors[1].rgbBlue = pCursor->backBlue >> 8; |
| 299 | pbmiColors[1].rgbReserved = 0; |
| 300 | pbmiColors[2].rgbRed = pCursor->foreRed >> 8; /* Foreground */ |
| 301 | pbmiColors[2].rgbGreen = pCursor->foreGreen >> 8; |
| 302 | pbmiColors[2].rgbBlue = pCursor->foreBlue >> 8; |
| 303 | pbmiColors[2].rgbReserved = 0; |
| 304 | |
| 305 | lpBits = |
| 306 | (uint32_t *) calloc(pScreenPriv->cursor.sm_cx * |
| 307 | pScreenPriv->cursor.sm_cy, sizeof(char)); |
| 308 | |
| 309 | pCur = (unsigned char *) lpBits; |
| 310 | if (lpBits) { |
| 311 | int x, y; |
| 312 | for (y = 0; y < pScreenPriv->cursor.sm_cy; y++) { |
| 313 | for (x = 0; x < pScreenPriv->cursor.sm_cx; x++) { |
| 314 | if (x >= nCX || y >= nCY) /* Outside of X11 icon bounds */ |
| 315 | (*pCur++) = 0; |
| 316 | else { /* Within X11 icon bounds */ |
| 317 | |
| 318 | int nWinPix = |
| 319 | bits_to_bytes(pScreenPriv->cursor.sm_cx) * y + |
| 320 | (x / 8); |
| 321 | |
| 322 | bit = pAnd[nWinPix]; |
| 323 | bit = bit & (1 << (7 - (x & 7))); |
| 324 | if (!bit) { /* Within the cursor mask? */ |
| 325 | int nXPix = |
| 326 | BitmapBytePad(pCursor->bits->width) * y + |
| 327 | (x / 8); |
| 328 | bit = |
| 329 | ~reverse(~pCursor->bits-> |
| 330 | source[nXPix] & pCursor->bits-> |
| 331 | mask[nXPix]); |
| 332 | bit = bit & (1 << (7 - (x & 7))); |
| 333 | if (bit) /* Draw foreground */ |
| 334 | (*pCur++) = 2; |
| 335 | else /* Draw background */ |
| 336 | (*pCur++) = 1; |
| 337 | } |
| 338 | else /* Outside the cursor mask */ |
| 339 | (*pCur++) = 0; |
| 340 | } |
| 341 | } /* end for (x) */ |
| 342 | } /* end for (y) */ |
| 343 | } /* end if (lpbits) */ |
| 344 | } |
| 345 | |
| 346 | /* If one of the previous two methods gave us the bitmap we need, make a cursor */ |
| 347 | if (lpBits) { |
| 348 | WIN_DEBUG_MSG("winLoadCursor: Creating bitmap cursor: hotspot %d,%d\n", |
| 349 | pCursor->bits->xhot, pCursor->bits->yhot); |
| 350 | |
| 351 | hAnd = NULL; |
| 352 | hXor = NULL; |
| 353 | |
| 354 | hAnd = |
| 355 | CreateBitmap(pScreenPriv->cursor.sm_cx, pScreenPriv->cursor.sm_cy, |
| 356 | 1, 1, pAnd); |
| 357 | |
| 358 | hDC = GetDC(NULL); |
| 359 | if (hDC) { |
| 360 | hXor = |
| 361 | CreateCompatibleBitmap(hDC, pScreenPriv->cursor.sm_cx, |
| 362 | pScreenPriv->cursor.sm_cy); |
| 363 | SetDIBits(hDC, hXor, 0, pScreenPriv->cursor.sm_cy, lpBits, |
| 364 | (BITMAPINFO *) &bi, DIB_RGB_COLORS); |
| 365 | ReleaseDC(NULL, hDC); |
| 366 | } |
| 367 | free(lpBits); |
| 368 | |
| 369 | if (hAnd && hXor) { |
| 370 | ii.fIcon = FALSE; |
| 371 | ii.xHotspot = pCursor->bits->xhot; |
| 372 | ii.yHotspot = pCursor->bits->yhot; |
| 373 | ii.hbmMask = hAnd; |
| 374 | ii.hbmColor = hXor; |
| 375 | hCursor = (HCURSOR) CreateIconIndirect(&ii); |
| 376 | |
| 377 | if (hCursor == NULL) |
| 378 | winW32Error(2, "winLoadCursor - CreateIconIndirect failed:"); |
| 379 | else { |
| 380 | if (GetIconInfo(hCursor, &ii)) { |
| 381 | if (ii.fIcon) { |
| 382 | WIN_DEBUG_MSG |
| 383 | ("winLoadCursor: CreateIconIndirect returned no cursor. Trying again.\n"); |
| 384 | |
| 385 | DestroyCursor(hCursor); |
| 386 | |
| 387 | ii.fIcon = FALSE; |
| 388 | ii.xHotspot = pCursor->bits->xhot; |
| 389 | ii.yHotspot = pCursor->bits->yhot; |
| 390 | hCursor = (HCURSOR) CreateIconIndirect(&ii); |
| 391 | |
| 392 | if (hCursor == NULL) |
| 393 | winW32Error(2, |
| 394 | "winLoadCursor - CreateIconIndirect failed:"); |
| 395 | } |
| 396 | /* GetIconInfo creates new bitmaps. Destroy them again */ |
| 397 | if (ii.hbmMask) |
| 398 | DeleteObject(ii.hbmMask); |
| 399 | if (ii.hbmColor) |
| 400 | DeleteObject(ii.hbmColor); |
| 401 | } |
| 402 | } |
| 403 | } |
| 404 | |
| 405 | if (hAnd) |
| 406 | DeleteObject(hAnd); |
| 407 | if (hXor) |
| 408 | DeleteObject(hXor); |
| 409 | } |
| 410 | |
| 411 | if (!hCursor) { |
| 412 | /* We couldn't make a color cursor for this screen, use |
| 413 | black and white instead */ |
| 414 | hCursor = CreateCursor(g_hInstance, |
| 415 | pCursor->bits->xhot, pCursor->bits->yhot, |
| 416 | pScreenPriv->cursor.sm_cx, |
| 417 | pScreenPriv->cursor.sm_cy, pAnd, pXor); |
| 418 | if (hCursor == NULL) |
| 419 | winW32Error(2, "winLoadCursor - CreateCursor failed:"); |
| 420 | } |
| 421 | free(pAnd); |
| 422 | free(pXor); |
| 423 | |
| 424 | return hCursor; |
| 425 | } |
| 426 | |
| 427 | /* |
| 428 | =========================================================================== |
| 429 | |
| 430 | Pointer sprite functions |
| 431 | |
| 432 | =========================================================================== |
| 433 | */ |
| 434 | |
| 435 | /* |
| 436 | * winRealizeCursor |
| 437 | * Convert the X cursor representation to native format if possible. |
| 438 | */ |
| 439 | static Bool |
| 440 | winRealizeCursor(DeviceIntPtr pDev, ScreenPtr pScreen, CursorPtr pCursor) |
| 441 | { |
| 442 | if (pCursor == NULL || pCursor->bits == NULL) |
| 443 | return FALSE; |
| 444 | |
| 445 | /* FIXME: cache ARGB8888 representation? */ |
| 446 | |
| 447 | return TRUE; |
| 448 | } |
| 449 | |
| 450 | /* |
| 451 | * winUnrealizeCursor |
| 452 | * Free the storage space associated with a realized cursor. |
| 453 | */ |
| 454 | static Bool |
| 455 | winUnrealizeCursor(DeviceIntPtr pDev, ScreenPtr pScreen, CursorPtr pCursor) |
| 456 | { |
| 457 | return TRUE; |
| 458 | } |
| 459 | |
| 460 | /* |
| 461 | * winSetCursor |
| 462 | * Set the cursor sprite and position. |
| 463 | */ |
| 464 | static void |
| 465 | winSetCursor(DeviceIntPtr pDev, ScreenPtr pScreen, CursorPtr pCursor, int x, |
| 466 | int y) |
| 467 | { |
| 468 | POINT ptCurPos, ptTemp; |
| 469 | HWND hwnd; |
| 470 | RECT rcClient; |
| 471 | BOOL bInhibit; |
| 472 | |
| 473 | winScreenPriv(pScreen); |
| 474 | WIN_DEBUG_MSG("winSetCursor: cursor=%p\n", pCursor); |
| 475 | |
| 476 | /* Inhibit changing the cursor if the mouse is not in a client area */ |
| 477 | bInhibit = FALSE; |
| 478 | if (GetCursorPos(&ptCurPos)) { |
| 479 | hwnd = WindowFromPoint(ptCurPos); |
| 480 | if (hwnd) { |
| 481 | if (GetClientRect(hwnd, &rcClient)) { |
| 482 | ptTemp.x = rcClient.left; |
| 483 | ptTemp.y = rcClient.top; |
| 484 | if (ClientToScreen(hwnd, &ptTemp)) { |
| 485 | rcClient.left = ptTemp.x; |
| 486 | rcClient.top = ptTemp.y; |
| 487 | ptTemp.x = rcClient.right; |
| 488 | ptTemp.y = rcClient.bottom; |
| 489 | if (ClientToScreen(hwnd, &ptTemp)) { |
| 490 | rcClient.right = ptTemp.x; |
| 491 | rcClient.bottom = ptTemp.y; |
| 492 | if (!PtInRect(&rcClient, ptCurPos)) |
| 493 | bInhibit = TRUE; |
| 494 | } |
| 495 | } |
| 496 | } |
| 497 | } |
| 498 | } |
| 499 | |
| 500 | if (pCursor == NULL) { |
| 501 | if (pScreenPriv->cursor.visible) { |
| 502 | if (!bInhibit && g_fSoftwareCursor) |
| 503 | ShowCursor(FALSE); |
| 504 | pScreenPriv->cursor.visible = FALSE; |
| 505 | } |
| 506 | } |
| 507 | else { |
| 508 | if (pScreenPriv->cursor.handle) { |
| 509 | if (!bInhibit) |
| 510 | SetCursor(NULL); |
| 511 | DestroyCursor(pScreenPriv->cursor.handle); |
| 512 | pScreenPriv->cursor.handle = NULL; |
| 513 | } |
| 514 | pScreenPriv->cursor.handle = |
| 515 | winLoadCursor(pScreen, pCursor, pScreen->myNum); |
| 516 | WIN_DEBUG_MSG("winSetCursor: handle=%p\n", pScreenPriv->cursor.handle); |
| 517 | |
| 518 | if (!bInhibit) |
| 519 | SetCursor(pScreenPriv->cursor.handle); |
| 520 | |
| 521 | if (!pScreenPriv->cursor.visible) { |
| 522 | if (!bInhibit && g_fSoftwareCursor) |
| 523 | ShowCursor(TRUE); |
| 524 | pScreenPriv->cursor.visible = TRUE; |
| 525 | } |
| 526 | } |
| 527 | } |
| 528 | |
| 529 | /* |
| 530 | * winMoveCursor |
| 531 | * Move the cursor. This is a noop for us. |
| 532 | */ |
| 533 | static void |
| 534 | winMoveCursor(DeviceIntPtr pDev, ScreenPtr pScreen, int x, int y) |
| 535 | { |
| 536 | } |
| 537 | |
| 538 | static Bool |
| 539 | winDeviceCursorInitialize(DeviceIntPtr pDev, ScreenPtr pScr) |
| 540 | { |
| 541 | winScreenPriv(pScr); |
| 542 | return pScreenPriv->cursor.spriteFuncs->DeviceCursorInitialize(pDev, pScr); |
| 543 | } |
| 544 | |
| 545 | static void |
| 546 | winDeviceCursorCleanup(DeviceIntPtr pDev, ScreenPtr pScr) |
| 547 | { |
| 548 | winScreenPriv(pScr); |
| 549 | pScreenPriv->cursor.spriteFuncs->DeviceCursorCleanup(pDev, pScr); |
| 550 | } |
| 551 | |
| 552 | static miPointerSpriteFuncRec winSpriteFuncsRec = { |
| 553 | winRealizeCursor, |
| 554 | winUnrealizeCursor, |
| 555 | winSetCursor, |
| 556 | winMoveCursor, |
| 557 | winDeviceCursorInitialize, |
| 558 | winDeviceCursorCleanup |
| 559 | }; |
| 560 | |
| 561 | /* |
| 562 | =========================================================================== |
| 563 | |
| 564 | Other screen functions |
| 565 | |
| 566 | =========================================================================== |
| 567 | */ |
| 568 | |
| 569 | /* |
| 570 | * winCursorQueryBestSize |
| 571 | * Handle queries for best cursor size |
| 572 | */ |
| 573 | static void |
| 574 | winCursorQueryBestSize(int class, unsigned short *width, |
| 575 | unsigned short *height, ScreenPtr pScreen) |
| 576 | { |
| 577 | winScreenPriv(pScreen); |
| 578 | |
| 579 | if (class == CursorShape) { |
| 580 | *width = pScreenPriv->cursor.sm_cx; |
| 581 | *height = pScreenPriv->cursor.sm_cy; |
| 582 | } |
| 583 | else { |
| 584 | if (pScreenPriv->cursor.QueryBestSize) |
| 585 | (*pScreenPriv->cursor.QueryBestSize) (class, width, height, |
| 586 | pScreen); |
| 587 | } |
| 588 | } |
| 589 | |
| 590 | /* |
| 591 | * winInitCursor |
| 592 | * Initialize cursor support |
| 593 | */ |
| 594 | Bool |
| 595 | winInitCursor(ScreenPtr pScreen) |
| 596 | { |
| 597 | winScreenPriv(pScreen); |
| 598 | miPointerScreenPtr pPointPriv; |
| 599 | |
| 600 | /* override some screen procedures */ |
| 601 | pScreenPriv->cursor.QueryBestSize = pScreen->QueryBestSize; |
| 602 | pScreen->QueryBestSize = winCursorQueryBestSize; |
| 603 | |
| 604 | pPointPriv = (miPointerScreenPtr) |
| 605 | dixLookupPrivate(&pScreen->devPrivates, miPointerScreenKey); |
| 606 | |
| 607 | pScreenPriv->cursor.spriteFuncs = pPointPriv->spriteFuncs; |
| 608 | pPointPriv->spriteFuncs = &winSpriteFuncsRec; |
| 609 | |
| 610 | pScreenPriv->cursor.handle = NULL; |
| 611 | pScreenPriv->cursor.visible = FALSE; |
| 612 | |
| 613 | pScreenPriv->cursor.sm_cx = GetSystemMetrics(SM_CXCURSOR); |
| 614 | pScreenPriv->cursor.sm_cy = GetSystemMetrics(SM_CYCURSOR); |
| 615 | |
| 616 | return TRUE; |
| 617 | } |