| 1 | /* |
| 2 | * misprite.c |
| 3 | * |
| 4 | * machine independent software sprite routines |
| 5 | */ |
| 6 | |
| 7 | /* |
| 8 | |
| 9 | Copyright 1989, 1998 The Open Group |
| 10 | |
| 11 | Permission to use, copy, modify, distribute, and sell this software and its |
| 12 | documentation for any purpose is hereby granted without fee, provided that |
| 13 | the above copyright notice appear in all copies and that both that |
| 14 | copyright notice and this permission notice appear in supporting |
| 15 | documentation. |
| 16 | |
| 17 | The above copyright notice and this permission notice shall be included in |
| 18 | all copies or substantial portions of the Software. |
| 19 | |
| 20 | THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| 21 | IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| 22 | FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
| 23 | OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN |
| 24 | AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN |
| 25 | CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. |
| 26 | |
| 27 | Except as contained in this notice, the name of The Open Group shall not be |
| 28 | used in advertising or otherwise to promote the sale, use or other dealings |
| 29 | in this Software without prior written authorization from The Open Group. |
| 30 | */ |
| 31 | |
| 32 | #ifdef HAVE_DIX_CONFIG_H |
| 33 | #include <dix-config.h> |
| 34 | #endif |
| 35 | |
| 36 | #include <X11/X.h> |
| 37 | #include <X11/Xproto.h> |
| 38 | #include "misc.h" |
| 39 | #include "pixmapstr.h" |
| 40 | #include "input.h" |
| 41 | #include "mi.h" |
| 42 | #include "cursorstr.h" |
| 43 | #include <X11/fonts/font.h> |
| 44 | #include "scrnintstr.h" |
| 45 | #include "colormapst.h" |
| 46 | #include "windowstr.h" |
| 47 | #include "gcstruct.h" |
| 48 | #include "mipointer.h" |
| 49 | #include "misprite.h" |
| 50 | #include "dixfontstr.h" |
| 51 | #include <X11/fonts/fontstruct.h> |
| 52 | #include "inputstr.h" |
| 53 | #include "damage.h" |
| 54 | |
| 55 | typedef struct { |
| 56 | CursorPtr pCursor; |
| 57 | int x; /* cursor hotspot */ |
| 58 | int y; |
| 59 | BoxRec saved; /* saved area from the screen */ |
| 60 | Bool isUp; /* cursor in frame buffer */ |
| 61 | Bool shouldBeUp; /* cursor should be displayed */ |
| 62 | WindowPtr pCacheWin; /* window the cursor last seen in */ |
| 63 | Bool isInCacheWin; |
| 64 | Bool checkPixels; /* check colormap collision */ |
| 65 | ScreenPtr pScreen; |
| 66 | } miCursorInfoRec, *miCursorInfoPtr; |
| 67 | |
| 68 | /* |
| 69 | * per screen information |
| 70 | */ |
| 71 | |
| 72 | typedef struct { |
| 73 | /* screen procedures */ |
| 74 | CloseScreenProcPtr CloseScreen; |
| 75 | GetImageProcPtr GetImage; |
| 76 | GetSpansProcPtr GetSpans; |
| 77 | SourceValidateProcPtr SourceValidate; |
| 78 | |
| 79 | /* window procedures */ |
| 80 | CopyWindowProcPtr CopyWindow; |
| 81 | |
| 82 | /* colormap procedures */ |
| 83 | InstallColormapProcPtr InstallColormap; |
| 84 | StoreColorsProcPtr StoreColors; |
| 85 | |
| 86 | /* os layer procedures */ |
| 87 | ScreenBlockHandlerProcPtr BlockHandler; |
| 88 | |
| 89 | xColorItem colors[2]; |
| 90 | ColormapPtr pInstalledMap; |
| 91 | ColormapPtr pColormap; |
| 92 | VisualPtr pVisual; |
| 93 | DamagePtr pDamage; /* damage tracking structure */ |
| 94 | Bool damageRegistered; |
| 95 | int numberOfCursors; |
| 96 | } miSpriteScreenRec, *miSpriteScreenPtr; |
| 97 | |
| 98 | #define SOURCE_COLOR 0 |
| 99 | #define MASK_COLOR 1 |
| 100 | |
| 101 | /* |
| 102 | * Overlap BoxPtr and Box elements |
| 103 | */ |
| 104 | #define BOX_OVERLAP(pCbox,X1,Y1,X2,Y2) \ |
| 105 | (((pCbox)->x1 <= (X2)) && ((X1) <= (pCbox)->x2) && \ |
| 106 | ((pCbox)->y1 <= (Y2)) && ((Y1) <= (pCbox)->y2)) |
| 107 | |
| 108 | /* |
| 109 | * Overlap BoxPtr, origins, and rectangle |
| 110 | */ |
| 111 | #define ORG_OVERLAP(pCbox,xorg,yorg,x,y,w,h) \ |
| 112 | BOX_OVERLAP((pCbox),(x)+(xorg),(y)+(yorg),(x)+(xorg)+(w),(y)+(yorg)+(h)) |
| 113 | |
| 114 | /* |
| 115 | * Overlap BoxPtr, origins and RectPtr |
| 116 | */ |
| 117 | #define ORGRECT_OVERLAP(pCbox,xorg,yorg,pRect) \ |
| 118 | ORG_OVERLAP((pCbox),(xorg),(yorg),(pRect)->x,(pRect)->y, \ |
| 119 | (int)((pRect)->width), (int)((pRect)->height)) |
| 120 | /* |
| 121 | * Overlap BoxPtr and horizontal span |
| 122 | */ |
| 123 | #define SPN_OVERLAP(pCbox,y,x,w) BOX_OVERLAP((pCbox),(x),(y),(x)+(w),(y)) |
| 124 | |
| 125 | #define LINE_SORT(x1,y1,x2,y2) \ |
| 126 | { int _t; \ |
| 127 | if (x1 > x2) { _t = x1; x1 = x2; x2 = _t; } \ |
| 128 | if (y1 > y2) { _t = y1; y1 = y2; y2 = _t; } } |
| 129 | |
| 130 | #define LINE_OVERLAP(pCbox,x1,y1,x2,y2,lw2) \ |
| 131 | BOX_OVERLAP((pCbox), (x1)-(lw2), (y1)-(lw2), (x2)+(lw2), (y2)+(lw2)) |
| 132 | |
| 133 | #define SPRITE_DEBUG_ENABLE 0 |
| 134 | #if SPRITE_DEBUG_ENABLE |
| 135 | #define SPRITE_DEBUG(x) ErrorF x |
| 136 | #else |
| 137 | #define SPRITE_DEBUG(x) |
| 138 | #endif |
| 139 | |
| 140 | #define MISPRITE(dev) \ |
| 141 | (IsFloating(dev) ? \ |
| 142 | (miCursorInfoPtr)dixLookupPrivate(&dev->devPrivates, miSpriteDevPrivatesKey) : \ |
| 143 | (miCursorInfoPtr)dixLookupPrivate(&(GetMaster(dev, MASTER_POINTER))->devPrivates, miSpriteDevPrivatesKey)) |
| 144 | |
| 145 | static void |
| 146 | miSpriteDisableDamage(ScreenPtr pScreen, miSpriteScreenPtr pScreenPriv) |
| 147 | { |
| 148 | if (pScreenPriv->damageRegistered) { |
| 149 | DamageUnregister(pScreenPriv->pDamage); |
| 150 | pScreenPriv->damageRegistered = 0; |
| 151 | } |
| 152 | } |
| 153 | |
| 154 | static void |
| 155 | miSpriteEnableDamage(ScreenPtr pScreen, miSpriteScreenPtr pScreenPriv) |
| 156 | { |
| 157 | if (!pScreenPriv->damageRegistered) { |
| 158 | pScreenPriv->damageRegistered = 1; |
| 159 | DamageRegister(&(pScreen->GetScreenPixmap(pScreen)->drawable), |
| 160 | pScreenPriv->pDamage); |
| 161 | } |
| 162 | } |
| 163 | |
| 164 | static void |
| 165 | miSpriteIsUp(miCursorInfoPtr pDevCursor) |
| 166 | { |
| 167 | pDevCursor->isUp = TRUE; |
| 168 | } |
| 169 | |
| 170 | static void |
| 171 | miSpriteIsDown(miCursorInfoPtr pDevCursor) |
| 172 | { |
| 173 | pDevCursor->isUp = FALSE; |
| 174 | } |
| 175 | |
| 176 | /* |
| 177 | * screen wrappers |
| 178 | */ |
| 179 | |
| 180 | static DevPrivateKeyRec miSpriteScreenKeyRec; |
| 181 | |
| 182 | #define miSpriteScreenKey (&miSpriteScreenKeyRec) |
| 183 | #define GetSpriteScreen(pScreen) \ |
| 184 | (dixLookupPrivate(&(pScreen)->devPrivates, miSpriteScreenKey)) |
| 185 | static DevPrivateKeyRec miSpriteDevPrivatesKeyRec; |
| 186 | |
| 187 | #define miSpriteDevPrivatesKey (&miSpriteDevPrivatesKeyRec) |
| 188 | |
| 189 | static Bool miSpriteCloseScreen(ScreenPtr pScreen); |
| 190 | static void miSpriteGetImage(DrawablePtr pDrawable, int sx, int sy, |
| 191 | int w, int h, unsigned int format, |
| 192 | unsigned long planemask, char *pdstLine); |
| 193 | static void miSpriteGetSpans(DrawablePtr pDrawable, int wMax, |
| 194 | DDXPointPtr ppt, int *pwidth, int nspans, |
| 195 | char *pdstStart); |
| 196 | static void miSpriteSourceValidate(DrawablePtr pDrawable, int x, int y, |
| 197 | int width, int height, |
| 198 | unsigned int subWindowMode); |
| 199 | static void miSpriteCopyWindow(WindowPtr pWindow, |
| 200 | DDXPointRec ptOldOrg, RegionPtr prgnSrc); |
| 201 | static void miSpriteBlockHandler(ScreenPtr pScreen, |
| 202 | pointer pTimeout, pointer pReadMask); |
| 203 | static void miSpriteInstallColormap(ColormapPtr pMap); |
| 204 | static void miSpriteStoreColors(ColormapPtr pMap, int ndef, xColorItem * pdef); |
| 205 | |
| 206 | static void miSpriteComputeSaved(DeviceIntPtr pDev, ScreenPtr pScreen); |
| 207 | |
| 208 | static Bool miSpriteDeviceCursorInitialize(DeviceIntPtr pDev, |
| 209 | ScreenPtr pScreen); |
| 210 | static void miSpriteDeviceCursorCleanup(DeviceIntPtr pDev, ScreenPtr pScreen); |
| 211 | |
| 212 | #define SCREEN_PROLOGUE(pPriv, pScreen, field) ((pScreen)->field = \ |
| 213 | (pPriv)->field) |
| 214 | #define SCREEN_EPILOGUE(pPriv, pScreen, field)\ |
| 215 | ((pPriv)->field = (pScreen)->field, (pScreen)->field = miSprite##field) |
| 216 | |
| 217 | /* |
| 218 | * pointer-sprite method table |
| 219 | */ |
| 220 | |
| 221 | static Bool miSpriteRealizeCursor(DeviceIntPtr pDev, ScreenPtr pScreen, |
| 222 | CursorPtr pCursor); |
| 223 | static Bool miSpriteUnrealizeCursor(DeviceIntPtr pDev, ScreenPtr pScreen, |
| 224 | CursorPtr pCursor); |
| 225 | static void miSpriteSetCursor(DeviceIntPtr pDev, ScreenPtr pScreen, |
| 226 | CursorPtr pCursor, int x, int y); |
| 227 | static void miSpriteMoveCursor(DeviceIntPtr pDev, ScreenPtr pScreen, |
| 228 | int x, int y); |
| 229 | |
| 230 | miPointerSpriteFuncRec miSpritePointerFuncs = { |
| 231 | miSpriteRealizeCursor, |
| 232 | miSpriteUnrealizeCursor, |
| 233 | miSpriteSetCursor, |
| 234 | miSpriteMoveCursor, |
| 235 | miSpriteDeviceCursorInitialize, |
| 236 | miSpriteDeviceCursorCleanup, |
| 237 | }; |
| 238 | |
| 239 | /* |
| 240 | * other misc functions |
| 241 | */ |
| 242 | |
| 243 | static void miSpriteRemoveCursor(DeviceIntPtr pDev, ScreenPtr pScreen); |
| 244 | static void miSpriteSaveUnderCursor(DeviceIntPtr pDev, ScreenPtr pScreen); |
| 245 | static void miSpriteRestoreCursor(DeviceIntPtr pDev, ScreenPtr pScreen); |
| 246 | |
| 247 | static void |
| 248 | miSpriteRegisterBlockHandler(ScreenPtr pScreen, miSpriteScreenPtr pScreenPriv) |
| 249 | { |
| 250 | if (!pScreenPriv->BlockHandler) { |
| 251 | pScreenPriv->BlockHandler = pScreen->BlockHandler; |
| 252 | pScreen->BlockHandler = miSpriteBlockHandler; |
| 253 | } |
| 254 | } |
| 255 | |
| 256 | static void |
| 257 | miSpriteReportDamage(DamagePtr pDamage, RegionPtr pRegion, void *closure) |
| 258 | { |
| 259 | ScreenPtr pScreen = closure; |
| 260 | miCursorInfoPtr pCursorInfo; |
| 261 | DeviceIntPtr pDev; |
| 262 | |
| 263 | for (pDev = inputInfo.devices; pDev; pDev = pDev->next) { |
| 264 | if (DevHasCursor(pDev)) { |
| 265 | pCursorInfo = MISPRITE(pDev); |
| 266 | |
| 267 | if (pCursorInfo->isUp && |
| 268 | pCursorInfo->pScreen == pScreen && |
| 269 | RegionContainsRect(pRegion, &pCursorInfo->saved) != rgnOUT) { |
| 270 | SPRITE_DEBUG(("Damage remove\n")); |
| 271 | miSpriteRemoveCursor(pDev, pScreen); |
| 272 | } |
| 273 | } |
| 274 | } |
| 275 | } |
| 276 | |
| 277 | /* |
| 278 | * miSpriteInitialize -- called from device-dependent screen |
| 279 | * initialization proc after all of the function pointers have |
| 280 | * been stored in the screen structure. |
| 281 | */ |
| 282 | |
| 283 | Bool |
| 284 | miSpriteInitialize(ScreenPtr pScreen, miPointerScreenFuncPtr screenFuncs) |
| 285 | { |
| 286 | miSpriteScreenPtr pScreenPriv; |
| 287 | VisualPtr pVisual; |
| 288 | |
| 289 | if (!DamageSetup(pScreen)) |
| 290 | return FALSE; |
| 291 | |
| 292 | if (!dixRegisterPrivateKey(&miSpriteScreenKeyRec, PRIVATE_SCREEN, 0)) |
| 293 | return FALSE; |
| 294 | |
| 295 | if (!dixRegisterPrivateKey |
| 296 | (&miSpriteDevPrivatesKeyRec, PRIVATE_DEVICE, sizeof(miCursorInfoRec))) |
| 297 | return FALSE; |
| 298 | |
| 299 | pScreenPriv = malloc(sizeof(miSpriteScreenRec)); |
| 300 | if (!pScreenPriv) |
| 301 | return FALSE; |
| 302 | |
| 303 | pScreenPriv->pDamage = DamageCreate(miSpriteReportDamage, |
| 304 | NULL, |
| 305 | DamageReportRawRegion, |
| 306 | TRUE, pScreen, pScreen); |
| 307 | |
| 308 | if (!miPointerInitialize(pScreen, &miSpritePointerFuncs, screenFuncs, TRUE)) { |
| 309 | free(pScreenPriv); |
| 310 | return FALSE; |
| 311 | } |
| 312 | for (pVisual = pScreen->visuals; |
| 313 | pVisual->vid != pScreen->rootVisual; pVisual++); |
| 314 | pScreenPriv->pVisual = pVisual; |
| 315 | pScreenPriv->CloseScreen = pScreen->CloseScreen; |
| 316 | pScreenPriv->GetImage = pScreen->GetImage; |
| 317 | pScreenPriv->GetSpans = pScreen->GetSpans; |
| 318 | pScreenPriv->SourceValidate = pScreen->SourceValidate; |
| 319 | |
| 320 | pScreenPriv->CopyWindow = pScreen->CopyWindow; |
| 321 | |
| 322 | pScreenPriv->InstallColormap = pScreen->InstallColormap; |
| 323 | pScreenPriv->StoreColors = pScreen->StoreColors; |
| 324 | |
| 325 | pScreenPriv->BlockHandler = NULL; |
| 326 | |
| 327 | pScreenPriv->pInstalledMap = NULL; |
| 328 | pScreenPriv->pColormap = NULL; |
| 329 | pScreenPriv->colors[SOURCE_COLOR].red = 0; |
| 330 | pScreenPriv->colors[SOURCE_COLOR].green = 0; |
| 331 | pScreenPriv->colors[SOURCE_COLOR].blue = 0; |
| 332 | pScreenPriv->colors[MASK_COLOR].red = 0; |
| 333 | pScreenPriv->colors[MASK_COLOR].green = 0; |
| 334 | pScreenPriv->colors[MASK_COLOR].blue = 0; |
| 335 | pScreenPriv->damageRegistered = 0; |
| 336 | pScreenPriv->numberOfCursors = 0; |
| 337 | |
| 338 | dixSetPrivate(&pScreen->devPrivates, miSpriteScreenKey, pScreenPriv); |
| 339 | |
| 340 | pScreen->CloseScreen = miSpriteCloseScreen; |
| 341 | pScreen->GetImage = miSpriteGetImage; |
| 342 | pScreen->GetSpans = miSpriteGetSpans; |
| 343 | pScreen->SourceValidate = miSpriteSourceValidate; |
| 344 | |
| 345 | pScreen->CopyWindow = miSpriteCopyWindow; |
| 346 | pScreen->InstallColormap = miSpriteInstallColormap; |
| 347 | pScreen->StoreColors = miSpriteStoreColors; |
| 348 | |
| 349 | return TRUE; |
| 350 | } |
| 351 | |
| 352 | /* |
| 353 | * Screen wrappers |
| 354 | */ |
| 355 | |
| 356 | /* |
| 357 | * CloseScreen wrapper -- unwrap everything, free the private data |
| 358 | * and call the wrapped function |
| 359 | */ |
| 360 | |
| 361 | static Bool |
| 362 | miSpriteCloseScreen(ScreenPtr pScreen) |
| 363 | { |
| 364 | miSpriteScreenPtr pScreenPriv = GetSpriteScreen(pScreen); |
| 365 | |
| 366 | pScreen->CloseScreen = pScreenPriv->CloseScreen; |
| 367 | pScreen->GetImage = pScreenPriv->GetImage; |
| 368 | pScreen->GetSpans = pScreenPriv->GetSpans; |
| 369 | pScreen->SourceValidate = pScreenPriv->SourceValidate; |
| 370 | pScreen->InstallColormap = pScreenPriv->InstallColormap; |
| 371 | pScreen->StoreColors = pScreenPriv->StoreColors; |
| 372 | |
| 373 | DamageDestroy(pScreenPriv->pDamage); |
| 374 | |
| 375 | free(pScreenPriv); |
| 376 | |
| 377 | return (*pScreen->CloseScreen) (pScreen); |
| 378 | } |
| 379 | |
| 380 | static void |
| 381 | miSpriteGetImage(DrawablePtr pDrawable, int sx, int sy, int w, int h, |
| 382 | unsigned int format, unsigned long planemask, char *pdstLine) |
| 383 | { |
| 384 | ScreenPtr pScreen = pDrawable->pScreen; |
| 385 | DeviceIntPtr pDev; |
| 386 | miCursorInfoPtr pCursorInfo; |
| 387 | miSpriteScreenPtr pPriv = GetSpriteScreen(pScreen); |
| 388 | |
| 389 | SCREEN_PROLOGUE(pPriv, pScreen, GetImage); |
| 390 | |
| 391 | if (pDrawable->type == DRAWABLE_WINDOW) { |
| 392 | for (pDev = inputInfo.devices; pDev; pDev = pDev->next) { |
| 393 | if (DevHasCursor(pDev)) { |
| 394 | pCursorInfo = MISPRITE(pDev); |
| 395 | if (pCursorInfo->isUp && pCursorInfo->pScreen == pScreen && |
| 396 | ORG_OVERLAP(&pCursorInfo->saved, pDrawable->x, pDrawable->y, |
| 397 | sx, sy, w, h)) { |
| 398 | SPRITE_DEBUG(("GetImage remove\n")); |
| 399 | miSpriteRemoveCursor(pDev, pScreen); |
| 400 | } |
| 401 | } |
| 402 | } |
| 403 | } |
| 404 | |
| 405 | (*pScreen->GetImage) (pDrawable, sx, sy, w, h, format, planemask, pdstLine); |
| 406 | |
| 407 | SCREEN_EPILOGUE(pPriv, pScreen, GetImage); |
| 408 | } |
| 409 | |
| 410 | static void |
| 411 | miSpriteGetSpans(DrawablePtr pDrawable, int wMax, DDXPointPtr ppt, |
| 412 | int *pwidth, int nspans, char *pdstStart) |
| 413 | { |
| 414 | ScreenPtr pScreen = pDrawable->pScreen; |
| 415 | DeviceIntPtr pDev; |
| 416 | miCursorInfoPtr pCursorInfo; |
| 417 | miSpriteScreenPtr pPriv = GetSpriteScreen(pScreen); |
| 418 | |
| 419 | SCREEN_PROLOGUE(pPriv, pScreen, GetSpans); |
| 420 | |
| 421 | if (pDrawable->type == DRAWABLE_WINDOW) { |
| 422 | for (pDev = inputInfo.devices; pDev; pDev = pDev->next) { |
| 423 | if (DevHasCursor(pDev)) { |
| 424 | pCursorInfo = MISPRITE(pDev); |
| 425 | |
| 426 | if (pCursorInfo->isUp && pCursorInfo->pScreen == pScreen) { |
| 427 | DDXPointPtr pts; |
| 428 | int *widths; |
| 429 | int nPts; |
| 430 | int xorg, yorg; |
| 431 | |
| 432 | xorg = pDrawable->x; |
| 433 | yorg = pDrawable->y; |
| 434 | |
| 435 | for (pts = ppt, widths = pwidth, nPts = nspans; |
| 436 | nPts--; pts++, widths++) { |
| 437 | if (SPN_OVERLAP(&pCursorInfo->saved, pts->y + yorg, |
| 438 | pts->x + xorg, *widths)) { |
| 439 | SPRITE_DEBUG(("GetSpans remove\n")); |
| 440 | miSpriteRemoveCursor(pDev, pScreen); |
| 441 | break; |
| 442 | } |
| 443 | } |
| 444 | } |
| 445 | } |
| 446 | } |
| 447 | } |
| 448 | |
| 449 | (*pScreen->GetSpans) (pDrawable, wMax, ppt, pwidth, nspans, pdstStart); |
| 450 | |
| 451 | SCREEN_EPILOGUE(pPriv, pScreen, GetSpans); |
| 452 | } |
| 453 | |
| 454 | static void |
| 455 | miSpriteSourceValidate(DrawablePtr pDrawable, int x, int y, int width, |
| 456 | int height, unsigned int subWindowMode) |
| 457 | { |
| 458 | ScreenPtr pScreen = pDrawable->pScreen; |
| 459 | DeviceIntPtr pDev; |
| 460 | miCursorInfoPtr pCursorInfo; |
| 461 | miSpriteScreenPtr pPriv = GetSpriteScreen(pScreen); |
| 462 | |
| 463 | SCREEN_PROLOGUE(pPriv, pScreen, SourceValidate); |
| 464 | |
| 465 | if (pDrawable->type == DRAWABLE_WINDOW) { |
| 466 | for (pDev = inputInfo.devices; pDev; pDev = pDev->next) { |
| 467 | if (DevHasCursor(pDev)) { |
| 468 | pCursorInfo = MISPRITE(pDev); |
| 469 | if (pCursorInfo->isUp && pCursorInfo->pScreen == pScreen && |
| 470 | ORG_OVERLAP(&pCursorInfo->saved, pDrawable->x, pDrawable->y, |
| 471 | x, y, width, height)) { |
| 472 | SPRITE_DEBUG(("SourceValidate remove\n")); |
| 473 | miSpriteRemoveCursor(pDev, pScreen); |
| 474 | } |
| 475 | } |
| 476 | } |
| 477 | } |
| 478 | |
| 479 | if (pScreen->SourceValidate) |
| 480 | (*pScreen->SourceValidate) (pDrawable, x, y, width, height, |
| 481 | subWindowMode); |
| 482 | |
| 483 | SCREEN_EPILOGUE(pPriv, pScreen, SourceValidate); |
| 484 | } |
| 485 | |
| 486 | static void |
| 487 | miSpriteCopyWindow(WindowPtr pWindow, DDXPointRec ptOldOrg, RegionPtr prgnSrc) |
| 488 | { |
| 489 | ScreenPtr pScreen = pWindow->drawable.pScreen; |
| 490 | DeviceIntPtr pDev; |
| 491 | miCursorInfoPtr pCursorInfo; |
| 492 | miSpriteScreenPtr pPriv = GetSpriteScreen(pScreen); |
| 493 | |
| 494 | SCREEN_PROLOGUE(pPriv, pScreen, CopyWindow); |
| 495 | |
| 496 | for (pDev = inputInfo.devices; pDev; pDev = pDev->next) { |
| 497 | if (DevHasCursor(pDev)) { |
| 498 | pCursorInfo = MISPRITE(pDev); |
| 499 | /* |
| 500 | * Damage will take care of destination check |
| 501 | */ |
| 502 | if (pCursorInfo->isUp && pCursorInfo->pScreen == pScreen && |
| 503 | RegionContainsRect(prgnSrc, &pCursorInfo->saved) != rgnOUT) { |
| 504 | SPRITE_DEBUG(("CopyWindow remove\n")); |
| 505 | miSpriteRemoveCursor(pDev, pScreen); |
| 506 | } |
| 507 | } |
| 508 | } |
| 509 | |
| 510 | (*pScreen->CopyWindow) (pWindow, ptOldOrg, prgnSrc); |
| 511 | SCREEN_EPILOGUE(pPriv, pScreen, CopyWindow); |
| 512 | } |
| 513 | |
| 514 | static void |
| 515 | miSpriteBlockHandler(ScreenPtr pScreen, pointer pTimeout, |
| 516 | pointer pReadmask) |
| 517 | { |
| 518 | miSpriteScreenPtr pPriv = GetSpriteScreen(pScreen); |
| 519 | DeviceIntPtr pDev; |
| 520 | miCursorInfoPtr pCursorInfo; |
| 521 | Bool WorkToDo = FALSE; |
| 522 | |
| 523 | for (pDev = inputInfo.devices; pDev; pDev = pDev->next) { |
| 524 | if (DevHasCursor(pDev)) { |
| 525 | pCursorInfo = MISPRITE(pDev); |
| 526 | if (pCursorInfo && !pCursorInfo->isUp |
| 527 | && pCursorInfo->pScreen == pScreen && pCursorInfo->shouldBeUp) { |
| 528 | SPRITE_DEBUG(("BlockHandler save")); |
| 529 | miSpriteSaveUnderCursor(pDev, pScreen); |
| 530 | } |
| 531 | } |
| 532 | } |
| 533 | for (pDev = inputInfo.devices; pDev; pDev = pDev->next) { |
| 534 | if (DevHasCursor(pDev)) { |
| 535 | pCursorInfo = MISPRITE(pDev); |
| 536 | if (pCursorInfo && !pCursorInfo->isUp && |
| 537 | pCursorInfo->pScreen == pScreen && pCursorInfo->shouldBeUp) { |
| 538 | SPRITE_DEBUG(("BlockHandler restore\n")); |
| 539 | miSpriteRestoreCursor(pDev, pScreen); |
| 540 | if (!pCursorInfo->isUp) |
| 541 | WorkToDo = TRUE; |
| 542 | } |
| 543 | } |
| 544 | } |
| 545 | |
| 546 | SCREEN_PROLOGUE(pPriv, pScreen, BlockHandler); |
| 547 | |
| 548 | (*pScreen->BlockHandler) (pScreen, pTimeout, pReadmask); |
| 549 | |
| 550 | if (WorkToDo) |
| 551 | SCREEN_EPILOGUE(pPriv, pScreen, BlockHandler); |
| 552 | else |
| 553 | pPriv->BlockHandler = NULL; |
| 554 | } |
| 555 | |
| 556 | static void |
| 557 | miSpriteInstallColormap(ColormapPtr pMap) |
| 558 | { |
| 559 | ScreenPtr pScreen = pMap->pScreen; |
| 560 | miSpriteScreenPtr pPriv = GetSpriteScreen(pScreen); |
| 561 | |
| 562 | SCREEN_PROLOGUE(pPriv, pScreen, InstallColormap); |
| 563 | |
| 564 | (*pScreen->InstallColormap) (pMap); |
| 565 | |
| 566 | SCREEN_EPILOGUE(pPriv, pScreen, InstallColormap); |
| 567 | |
| 568 | /* InstallColormap can be called before devices are initialized. */ |
| 569 | pPriv->pInstalledMap = pMap; |
| 570 | if (pPriv->pColormap != pMap) { |
| 571 | DeviceIntPtr pDev; |
| 572 | miCursorInfoPtr pCursorInfo; |
| 573 | |
| 574 | for (pDev = inputInfo.devices; pDev; pDev = pDev->next) { |
| 575 | if (DevHasCursor(pDev)) { |
| 576 | pCursorInfo = MISPRITE(pDev); |
| 577 | pCursorInfo->checkPixels = TRUE; |
| 578 | if (pCursorInfo->isUp && pCursorInfo->pScreen == pScreen) |
| 579 | miSpriteRemoveCursor(pDev, pScreen); |
| 580 | } |
| 581 | } |
| 582 | |
| 583 | } |
| 584 | } |
| 585 | |
| 586 | static void |
| 587 | miSpriteStoreColors(ColormapPtr pMap, int ndef, xColorItem * pdef) |
| 588 | { |
| 589 | ScreenPtr pScreen = pMap->pScreen; |
| 590 | miSpriteScreenPtr pPriv = GetSpriteScreen(pScreen); |
| 591 | int i; |
| 592 | int updated; |
| 593 | VisualPtr pVisual; |
| 594 | DeviceIntPtr pDev; |
| 595 | miCursorInfoPtr pCursorInfo; |
| 596 | |
| 597 | SCREEN_PROLOGUE(pPriv, pScreen, StoreColors); |
| 598 | |
| 599 | (*pScreen->StoreColors) (pMap, ndef, pdef); |
| 600 | |
| 601 | SCREEN_EPILOGUE(pPriv, pScreen, StoreColors); |
| 602 | |
| 603 | if (pPriv->pColormap == pMap) { |
| 604 | updated = 0; |
| 605 | pVisual = pMap->pVisual; |
| 606 | if (pVisual->class == DirectColor) { |
| 607 | /* Direct color - match on any of the subfields */ |
| 608 | |
| 609 | #define MaskMatch(a,b,mask) (((a) & (pVisual->mask)) == ((b) & (pVisual->mask))) |
| 610 | |
| 611 | #define UpdateDAC(dev, plane,dac,mask) {\ |
| 612 | if (MaskMatch (dev->colors[plane].pixel,pdef[i].pixel,mask)) {\ |
| 613 | dev->colors[plane].dac = pdef[i].dac; \ |
| 614 | updated = 1; \ |
| 615 | } \ |
| 616 | } |
| 617 | |
| 618 | #define CheckDirect(dev, plane) \ |
| 619 | UpdateDAC(dev, plane,red,redMask) \ |
| 620 | UpdateDAC(dev, plane,green,greenMask) \ |
| 621 | UpdateDAC(dev, plane,blue,blueMask) |
| 622 | |
| 623 | for (i = 0; i < ndef; i++) { |
| 624 | CheckDirect(pPriv, SOURCE_COLOR) |
| 625 | CheckDirect(pPriv, MASK_COLOR) |
| 626 | } |
| 627 | } |
| 628 | else { |
| 629 | /* PseudoColor/GrayScale - match on exact pixel */ |
| 630 | for (i = 0; i < ndef; i++) { |
| 631 | if (pdef[i].pixel == pPriv->colors[SOURCE_COLOR].pixel) { |
| 632 | pPriv->colors[SOURCE_COLOR] = pdef[i]; |
| 633 | if (++updated == 2) |
| 634 | break; |
| 635 | } |
| 636 | if (pdef[i].pixel == pPriv->colors[MASK_COLOR].pixel) { |
| 637 | pPriv->colors[MASK_COLOR] = pdef[i]; |
| 638 | if (++updated == 2) |
| 639 | break; |
| 640 | } |
| 641 | } |
| 642 | } |
| 643 | if (updated) { |
| 644 | for (pDev = inputInfo.devices; pDev; pDev = pDev->next) { |
| 645 | if (DevHasCursor(pDev)) { |
| 646 | pCursorInfo = MISPRITE(pDev); |
| 647 | pCursorInfo->checkPixels = TRUE; |
| 648 | if (pCursorInfo->isUp && pCursorInfo->pScreen == pScreen) |
| 649 | miSpriteRemoveCursor(pDev, pScreen); |
| 650 | } |
| 651 | } |
| 652 | } |
| 653 | } |
| 654 | } |
| 655 | |
| 656 | static void |
| 657 | miSpriteFindColors(miCursorInfoPtr pDevCursor, ScreenPtr pScreen) |
| 658 | { |
| 659 | miSpriteScreenPtr pScreenPriv = GetSpriteScreen(pScreen); |
| 660 | CursorPtr pCursor; |
| 661 | xColorItem *sourceColor, *maskColor; |
| 662 | |
| 663 | pCursor = pDevCursor->pCursor; |
| 664 | sourceColor = &pScreenPriv->colors[SOURCE_COLOR]; |
| 665 | maskColor = &pScreenPriv->colors[MASK_COLOR]; |
| 666 | if (pScreenPriv->pColormap != pScreenPriv->pInstalledMap || |
| 667 | !(pCursor->foreRed == sourceColor->red && |
| 668 | pCursor->foreGreen == sourceColor->green && |
| 669 | pCursor->foreBlue == sourceColor->blue && |
| 670 | pCursor->backRed == maskColor->red && |
| 671 | pCursor->backGreen == maskColor->green && |
| 672 | pCursor->backBlue == maskColor->blue)) { |
| 673 | pScreenPriv->pColormap = pScreenPriv->pInstalledMap; |
| 674 | sourceColor->red = pCursor->foreRed; |
| 675 | sourceColor->green = pCursor->foreGreen; |
| 676 | sourceColor->blue = pCursor->foreBlue; |
| 677 | FakeAllocColor(pScreenPriv->pColormap, sourceColor); |
| 678 | maskColor->red = pCursor->backRed; |
| 679 | maskColor->green = pCursor->backGreen; |
| 680 | maskColor->blue = pCursor->backBlue; |
| 681 | FakeAllocColor(pScreenPriv->pColormap, maskColor); |
| 682 | /* "free" the pixels right away, don't let this confuse you */ |
| 683 | FakeFreeColor(pScreenPriv->pColormap, sourceColor->pixel); |
| 684 | FakeFreeColor(pScreenPriv->pColormap, maskColor->pixel); |
| 685 | } |
| 686 | |
| 687 | pDevCursor->checkPixels = FALSE; |
| 688 | |
| 689 | } |
| 690 | |
| 691 | /* |
| 692 | * miPointer interface routines |
| 693 | */ |
| 694 | |
| 695 | #define SPRITE_PAD 8 |
| 696 | |
| 697 | static Bool |
| 698 | miSpriteRealizeCursor(DeviceIntPtr pDev, ScreenPtr pScreen, CursorPtr pCursor) |
| 699 | { |
| 700 | miCursorInfoPtr pCursorInfo; |
| 701 | |
| 702 | if (IsFloating(pDev)) |
| 703 | return FALSE; |
| 704 | |
| 705 | pCursorInfo = MISPRITE(pDev); |
| 706 | |
| 707 | if (pCursor == pCursorInfo->pCursor) |
| 708 | pCursorInfo->checkPixels = TRUE; |
| 709 | |
| 710 | return miDCRealizeCursor(pScreen, pCursor); |
| 711 | } |
| 712 | |
| 713 | static Bool |
| 714 | miSpriteUnrealizeCursor(DeviceIntPtr pDev, ScreenPtr pScreen, CursorPtr pCursor) |
| 715 | { |
| 716 | return miDCUnrealizeCursor(pScreen, pCursor); |
| 717 | } |
| 718 | |
| 719 | static void |
| 720 | miSpriteSetCursor(DeviceIntPtr pDev, ScreenPtr pScreen, |
| 721 | CursorPtr pCursor, int x, int y) |
| 722 | { |
| 723 | miCursorInfoPtr pPointer; |
| 724 | miSpriteScreenPtr pScreenPriv; |
| 725 | |
| 726 | if (IsFloating(pDev)) |
| 727 | return; |
| 728 | |
| 729 | pPointer = MISPRITE(pDev); |
| 730 | pScreenPriv = GetSpriteScreen(pScreen); |
| 731 | |
| 732 | if (!pCursor) { |
| 733 | if (pPointer->shouldBeUp) |
| 734 | --pScreenPriv->numberOfCursors; |
| 735 | pPointer->shouldBeUp = FALSE; |
| 736 | if (pPointer->isUp) |
| 737 | miSpriteRemoveCursor(pDev, pScreen); |
| 738 | if (pScreenPriv->numberOfCursors == 0) |
| 739 | miSpriteDisableDamage(pScreen, pScreenPriv); |
| 740 | pPointer->pCursor = 0; |
| 741 | return; |
| 742 | } |
| 743 | if (!pPointer->shouldBeUp) |
| 744 | pScreenPriv->numberOfCursors++; |
| 745 | pPointer->shouldBeUp = TRUE; |
| 746 | if (!pPointer->isUp) |
| 747 | miSpriteRegisterBlockHandler(pScreen, pScreenPriv); |
| 748 | if (pPointer->x == x && |
| 749 | pPointer->y == y && |
| 750 | pPointer->pCursor == pCursor && !pPointer->checkPixels) { |
| 751 | return; |
| 752 | } |
| 753 | pPointer->x = x; |
| 754 | pPointer->y = y; |
| 755 | pPointer->pCacheWin = NullWindow; |
| 756 | if (pPointer->checkPixels || pPointer->pCursor != pCursor) { |
| 757 | pPointer->pCursor = pCursor; |
| 758 | miSpriteFindColors(pPointer, pScreen); |
| 759 | } |
| 760 | if (pPointer->isUp) { |
| 761 | /* TODO: reimplement flicker-free MoveCursor */ |
| 762 | SPRITE_DEBUG(("SetCursor remove %d\n", pDev->id)); |
| 763 | miSpriteRemoveCursor(pDev, pScreen); |
| 764 | } |
| 765 | |
| 766 | if (!pPointer->isUp && pPointer->pCursor) { |
| 767 | SPRITE_DEBUG(("SetCursor restore %d\n", pDev->id)); |
| 768 | miSpriteSaveUnderCursor(pDev, pScreen); |
| 769 | miSpriteRestoreCursor(pDev, pScreen); |
| 770 | } |
| 771 | |
| 772 | } |
| 773 | |
| 774 | static void |
| 775 | miSpriteMoveCursor(DeviceIntPtr pDev, ScreenPtr pScreen, int x, int y) |
| 776 | { |
| 777 | CursorPtr pCursor; |
| 778 | |
| 779 | if (IsFloating(pDev)) |
| 780 | return; |
| 781 | |
| 782 | pCursor = MISPRITE(pDev)->pCursor; |
| 783 | |
| 784 | miSpriteSetCursor(pDev, pScreen, pCursor, x, y); |
| 785 | } |
| 786 | |
| 787 | static Bool |
| 788 | miSpriteDeviceCursorInitialize(DeviceIntPtr pDev, ScreenPtr pScreen) |
| 789 | { |
| 790 | int ret = miDCDeviceInitialize(pDev, pScreen); |
| 791 | |
| 792 | if (ret) { |
| 793 | miCursorInfoPtr pCursorInfo; |
| 794 | |
| 795 | pCursorInfo = |
| 796 | dixLookupPrivate(&pDev->devPrivates, miSpriteDevPrivatesKey); |
| 797 | pCursorInfo->pCursor = NULL; |
| 798 | pCursorInfo->x = 0; |
| 799 | pCursorInfo->y = 0; |
| 800 | pCursorInfo->isUp = FALSE; |
| 801 | pCursorInfo->shouldBeUp = FALSE; |
| 802 | pCursorInfo->pCacheWin = NullWindow; |
| 803 | pCursorInfo->isInCacheWin = FALSE; |
| 804 | pCursorInfo->checkPixels = TRUE; |
| 805 | pCursorInfo->pScreen = FALSE; |
| 806 | } |
| 807 | |
| 808 | return ret; |
| 809 | } |
| 810 | |
| 811 | static void |
| 812 | miSpriteDeviceCursorCleanup(DeviceIntPtr pDev, ScreenPtr pScreen) |
| 813 | { |
| 814 | miCursorInfoPtr pCursorInfo = |
| 815 | dixLookupPrivate(&pDev->devPrivates, miSpriteDevPrivatesKey); |
| 816 | |
| 817 | if (DevHasCursor(pDev)) |
| 818 | miDCDeviceCleanup(pDev, pScreen); |
| 819 | |
| 820 | memset(pCursorInfo, 0, sizeof(miCursorInfoRec)); |
| 821 | } |
| 822 | |
| 823 | /* |
| 824 | * undraw/draw cursor |
| 825 | */ |
| 826 | |
| 827 | static void |
| 828 | miSpriteRemoveCursor(DeviceIntPtr pDev, ScreenPtr pScreen) |
| 829 | { |
| 830 | miSpriteScreenPtr pScreenPriv; |
| 831 | miCursorInfoPtr pCursorInfo; |
| 832 | |
| 833 | if (IsFloating(pDev)) |
| 834 | return; |
| 835 | |
| 836 | DamageDrawInternal(pScreen, TRUE); |
| 837 | pScreenPriv = GetSpriteScreen(pScreen); |
| 838 | pCursorInfo = MISPRITE(pDev); |
| 839 | |
| 840 | miSpriteIsDown(pCursorInfo); |
| 841 | miSpriteRegisterBlockHandler(pScreen, pScreenPriv); |
| 842 | pCursorInfo->pCacheWin = NullWindow; |
| 843 | miSpriteDisableDamage(pScreen, pScreenPriv); |
| 844 | if (!miDCRestoreUnderCursor(pDev, |
| 845 | pScreen, |
| 846 | pCursorInfo->saved.x1, |
| 847 | pCursorInfo->saved.y1, |
| 848 | pCursorInfo->saved.x2 - |
| 849 | pCursorInfo->saved.x1, |
| 850 | pCursorInfo->saved.y2 - |
| 851 | pCursorInfo->saved.y1)) { |
| 852 | miSpriteIsUp(pCursorInfo); |
| 853 | } |
| 854 | miSpriteEnableDamage(pScreen, pScreenPriv); |
| 855 | DamageDrawInternal(pScreen, FALSE); |
| 856 | } |
| 857 | |
| 858 | /* |
| 859 | * Called from the block handler, saves area under cursor |
| 860 | * before waiting for something to do. |
| 861 | */ |
| 862 | |
| 863 | static void |
| 864 | miSpriteSaveUnderCursor(DeviceIntPtr pDev, ScreenPtr pScreen) |
| 865 | { |
| 866 | miSpriteScreenPtr pScreenPriv; |
| 867 | miCursorInfoPtr pCursorInfo; |
| 868 | |
| 869 | if (IsFloating(pDev)) |
| 870 | return; |
| 871 | |
| 872 | DamageDrawInternal(pScreen, TRUE); |
| 873 | pScreenPriv = GetSpriteScreen(pScreen); |
| 874 | pCursorInfo = MISPRITE(pDev); |
| 875 | |
| 876 | miSpriteComputeSaved(pDev, pScreen); |
| 877 | |
| 878 | miSpriteDisableDamage(pScreen, pScreenPriv); |
| 879 | |
| 880 | miDCSaveUnderCursor(pDev, |
| 881 | pScreen, |
| 882 | pCursorInfo->saved.x1, |
| 883 | pCursorInfo->saved.y1, |
| 884 | pCursorInfo->saved.x2 - |
| 885 | pCursorInfo->saved.x1, |
| 886 | pCursorInfo->saved.y2 - pCursorInfo->saved.y1); |
| 887 | SPRITE_DEBUG(("SaveUnderCursor %d\n", pDev->id)); |
| 888 | miSpriteEnableDamage(pScreen, pScreenPriv); |
| 889 | DamageDrawInternal(pScreen, FALSE); |
| 890 | } |
| 891 | |
| 892 | /* |
| 893 | * Called from the block handler, restores the cursor |
| 894 | * before waiting for something to do. |
| 895 | */ |
| 896 | |
| 897 | static void |
| 898 | miSpriteRestoreCursor(DeviceIntPtr pDev, ScreenPtr pScreen) |
| 899 | { |
| 900 | miSpriteScreenPtr pScreenPriv; |
| 901 | int x, y; |
| 902 | CursorPtr pCursor; |
| 903 | miCursorInfoPtr pCursorInfo; |
| 904 | |
| 905 | if (IsFloating(pDev)) |
| 906 | return; |
| 907 | |
| 908 | DamageDrawInternal(pScreen, TRUE); |
| 909 | pScreenPriv = GetSpriteScreen(pScreen); |
| 910 | pCursorInfo = MISPRITE(pDev); |
| 911 | |
| 912 | miSpriteComputeSaved(pDev, pScreen); |
| 913 | pCursor = pCursorInfo->pCursor; |
| 914 | |
| 915 | x = pCursorInfo->x - (int) pCursor->bits->xhot; |
| 916 | y = pCursorInfo->y - (int) pCursor->bits->yhot; |
| 917 | miSpriteDisableDamage(pScreen, pScreenPriv); |
| 918 | SPRITE_DEBUG(("RestoreCursor %d\n", pDev->id)); |
| 919 | if (pCursorInfo->checkPixels) |
| 920 | miSpriteFindColors(pCursorInfo, pScreen); |
| 921 | if (miDCPutUpCursor(pDev, pScreen, |
| 922 | pCursor, x, y, |
| 923 | pScreenPriv->colors[SOURCE_COLOR].pixel, |
| 924 | pScreenPriv->colors[MASK_COLOR].pixel)) { |
| 925 | miSpriteIsUp(pCursorInfo); |
| 926 | pCursorInfo->pScreen = pScreen; |
| 927 | } |
| 928 | miSpriteEnableDamage(pScreen, pScreenPriv); |
| 929 | DamageDrawInternal(pScreen, FALSE); |
| 930 | } |
| 931 | |
| 932 | /* |
| 933 | * compute the desired area of the screen to save |
| 934 | */ |
| 935 | |
| 936 | static void |
| 937 | miSpriteComputeSaved(DeviceIntPtr pDev, ScreenPtr pScreen) |
| 938 | { |
| 939 | int x, y, w, h; |
| 940 | int wpad, hpad; |
| 941 | CursorPtr pCursor; |
| 942 | miCursorInfoPtr pCursorInfo; |
| 943 | |
| 944 | if (IsFloating(pDev)) |
| 945 | return; |
| 946 | |
| 947 | pCursorInfo = MISPRITE(pDev); |
| 948 | |
| 949 | pCursor = pCursorInfo->pCursor; |
| 950 | x = pCursorInfo->x - (int) pCursor->bits->xhot; |
| 951 | y = pCursorInfo->y - (int) pCursor->bits->yhot; |
| 952 | w = pCursor->bits->width; |
| 953 | h = pCursor->bits->height; |
| 954 | wpad = SPRITE_PAD; |
| 955 | hpad = SPRITE_PAD; |
| 956 | pCursorInfo->saved.x1 = x - wpad; |
| 957 | pCursorInfo->saved.y1 = y - hpad; |
| 958 | pCursorInfo->saved.x2 = pCursorInfo->saved.x1 + w + wpad * 2; |
| 959 | pCursorInfo->saved.y2 = pCursorInfo->saved.y1 + h + hpad * 2; |
| 960 | } |