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Diffstat (limited to 'xorg-server/mi/misprite.c')
| -rw-r--r-- | xorg-server/mi/misprite.c | 780 |
1 files changed, 780 insertions, 0 deletions
diff --git a/xorg-server/mi/misprite.c b/xorg-server/mi/misprite.c new file mode 100644 index 000000000..0af3368b6 --- /dev/null +++ b/xorg-server/mi/misprite.c @@ -0,0 +1,780 @@ +/* + * misprite.c + * + * machine independent software sprite routines + */ + + +/* + +Copyright 1989, 1998 The Open Group + +Permission to use, copy, modify, distribute, and sell this software and its +documentation for any purpose is hereby granted without fee, provided that +the above copyright notice appear in all copies and that both that +copyright notice and this permission notice appear in supporting +documentation. + +The above copyright notice and this permission notice shall be included in +all copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN +AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN +CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + +Except as contained in this notice, the name of The Open Group shall not be +used in advertising or otherwise to promote the sale, use or other dealings +in this Software without prior written authorization from The Open Group. +*/ + +#ifdef HAVE_DIX_CONFIG_H +#include <dix-config.h> +#endif + +# include <X11/X.h> +# include <X11/Xproto.h> +# include "misc.h" +# include "pixmapstr.h" +# include "input.h" +# include "mi.h" +# include "cursorstr.h" +# include <X11/fonts/font.h> +# include "scrnintstr.h" +# include "colormapst.h" +# include "windowstr.h" +# include "gcstruct.h" +# include "mipointer.h" +# include "mispritest.h" +# include "dixfontstr.h" +# include <X11/fonts/fontstruct.h> + +#ifdef RENDER +# include "mipict.h" +#endif +# include "damage.h" + +#define SPRITE_DEBUG_ENABLE 0 +#if SPRITE_DEBUG_ENABLE +#define SPRITE_DEBUG(x) ErrorF x +#else +#define SPRITE_DEBUG(x) +#endif + +/* + * screen wrappers + */ + +static DevPrivateKey miSpriteScreenKey = &miSpriteScreenKey; + +static Bool miSpriteCloseScreen(int i, ScreenPtr pScreen); +static void miSpriteGetImage(DrawablePtr pDrawable, int sx, int sy, + int w, int h, unsigned int format, + unsigned long planemask, char *pdstLine); +static void miSpriteGetSpans(DrawablePtr pDrawable, int wMax, + DDXPointPtr ppt, int *pwidth, int nspans, + char *pdstStart); +static void miSpriteSourceValidate(DrawablePtr pDrawable, int x, int y, + int width, int height); +static void miSpriteCopyWindow (WindowPtr pWindow, + DDXPointRec ptOldOrg, + RegionPtr prgnSrc); +static void miSpriteBlockHandler(int i, pointer blockData, + pointer pTimeout, + pointer pReadMask); +static void miSpriteInstallColormap(ColormapPtr pMap); +static void miSpriteStoreColors(ColormapPtr pMap, int ndef, + xColorItem *pdef); + +static void miSpriteComputeSaved(ScreenPtr pScreen); + +#define SCREEN_PROLOGUE(pScreen, field) ((pScreen)->field = \ + ((miSpriteScreenPtr)dixLookupPrivate(&(pScreen)->devPrivates, \ + miSpriteScreenKey))->field) +#define SCREEN_EPILOGUE(pScreen, field)\ + ((pScreen)->field = miSprite##field) + +/* + * pointer-sprite method table + */ + +static Bool miSpriteRealizeCursor(ScreenPtr pScreen, CursorPtr pCursor); +static Bool miSpriteUnrealizeCursor(ScreenPtr pScreen, CursorPtr pCursor); +static void miSpriteSetCursor(ScreenPtr pScreen, CursorPtr pCursor, + int x, int y); +static void miSpriteMoveCursor(ScreenPtr pScreen, int x, int y); + +_X_EXPORT miPointerSpriteFuncRec miSpritePointerFuncs = { + miSpriteRealizeCursor, + miSpriteUnrealizeCursor, + miSpriteSetCursor, + miSpriteMoveCursor, +}; + +/* + * other misc functions + */ + +static void miSpriteRemoveCursor(ScreenPtr pScreen); +static void miSpriteRestoreCursor(ScreenPtr pScreen); + +static void +miSpriteReportDamage (DamagePtr pDamage, RegionPtr pRegion, void *closure) +{ + ScreenPtr pScreen = closure; + miSpriteScreenPtr pScreenPriv; + + pScreenPriv = (miSpriteScreenPtr)dixLookupPrivate(&pScreen->devPrivates, + miSpriteScreenKey); + if (pScreenPriv->isUp && + RECT_IN_REGION (pScreen, pRegion, &pScreenPriv->saved) != rgnOUT) + { + SPRITE_DEBUG(("Damage remove\n")); + miSpriteRemoveCursor (pScreen); + } +} + +/* + * miSpriteInitialize -- called from device-dependent screen + * initialization proc after all of the function pointers have + * been stored in the screen structure. + */ + +Bool +miSpriteInitialize (pScreen, cursorFuncs, screenFuncs) + ScreenPtr pScreen; + miSpriteCursorFuncPtr cursorFuncs; + miPointerScreenFuncPtr screenFuncs; +{ + miSpriteScreenPtr pScreenPriv; + VisualPtr pVisual; + + if (!DamageSetup (pScreen)) + return FALSE; + + pScreenPriv = (miSpriteScreenPtr) xalloc (sizeof (miSpriteScreenRec)); + if (!pScreenPriv) + return FALSE; + + pScreenPriv->pDamage = DamageCreate (miSpriteReportDamage, + (DamageDestroyFunc) 0, + DamageReportRawRegion, + TRUE, + pScreen, + (void *) pScreen); + + if (!miPointerInitialize (pScreen, &miSpritePointerFuncs, screenFuncs,TRUE)) + { + xfree ((pointer) pScreenPriv); + return FALSE; + } + for (pVisual = pScreen->visuals; + pVisual->vid != pScreen->rootVisual; + pVisual++) + ; + pScreenPriv->pVisual = pVisual; + pScreenPriv->CloseScreen = pScreen->CloseScreen; + pScreenPriv->GetImage = pScreen->GetImage; + pScreenPriv->GetSpans = pScreen->GetSpans; + pScreenPriv->SourceValidate = pScreen->SourceValidate; + + pScreenPriv->CopyWindow = pScreen->CopyWindow; + + pScreenPriv->InstallColormap = pScreen->InstallColormap; + pScreenPriv->StoreColors = pScreen->StoreColors; + + pScreenPriv->BlockHandler = pScreen->BlockHandler; + + pScreenPriv->pCursor = NULL; + pScreenPriv->x = 0; + pScreenPriv->y = 0; + pScreenPriv->isUp = FALSE; + pScreenPriv->shouldBeUp = FALSE; + pScreenPriv->pCacheWin = NullWindow; + pScreenPriv->isInCacheWin = FALSE; + pScreenPriv->checkPixels = TRUE; + pScreenPriv->pInstalledMap = NULL; + pScreenPriv->pColormap = NULL; + pScreenPriv->funcs = cursorFuncs; + pScreenPriv->colors[SOURCE_COLOR].red = 0; + pScreenPriv->colors[SOURCE_COLOR].green = 0; + pScreenPriv->colors[SOURCE_COLOR].blue = 0; + pScreenPriv->colors[MASK_COLOR].red = 0; + pScreenPriv->colors[MASK_COLOR].green = 0; + pScreenPriv->colors[MASK_COLOR].blue = 0; + dixSetPrivate(&pScreen->devPrivates, miSpriteScreenKey, pScreenPriv); + + pScreen->CloseScreen = miSpriteCloseScreen; + pScreen->GetImage = miSpriteGetImage; + pScreen->GetSpans = miSpriteGetSpans; + pScreen->SourceValidate = miSpriteSourceValidate; + + pScreen->CopyWindow = miSpriteCopyWindow; + + pScreen->InstallColormap = miSpriteInstallColormap; + pScreen->StoreColors = miSpriteStoreColors; + + pScreen->BlockHandler = miSpriteBlockHandler; + + return TRUE; +} + +/* + * Screen wrappers + */ + +/* + * CloseScreen wrapper -- unwrap everything, free the private data + * and call the wrapped function + */ + +static Bool +miSpriteCloseScreen (i, pScreen) + int i; + ScreenPtr pScreen; +{ + miSpriteScreenPtr pScreenPriv; + + pScreenPriv = (miSpriteScreenPtr)dixLookupPrivate(&pScreen->devPrivates, + miSpriteScreenKey); + pScreen->CloseScreen = pScreenPriv->CloseScreen; + pScreen->GetImage = pScreenPriv->GetImage; + pScreen->GetSpans = pScreenPriv->GetSpans; + pScreen->SourceValidate = pScreenPriv->SourceValidate; + pScreen->BlockHandler = pScreenPriv->BlockHandler; + pScreen->InstallColormap = pScreenPriv->InstallColormap; + pScreen->StoreColors = pScreenPriv->StoreColors; + + miSpriteIsUpFALSE (pScreen, pScreenPriv); + DamageDestroy (pScreenPriv->pDamage); + + xfree ((pointer) pScreenPriv); + + return (*pScreen->CloseScreen) (i, pScreen); +} + +static void +miSpriteGetImage (pDrawable, sx, sy, w, h, format, planemask, pdstLine) + DrawablePtr pDrawable; + int sx, sy, w, h; + unsigned int format; + unsigned long planemask; + char *pdstLine; +{ + ScreenPtr pScreen = pDrawable->pScreen; + miSpriteScreenPtr pScreenPriv; + + SCREEN_PROLOGUE (pScreen, GetImage); + + pScreenPriv = (miSpriteScreenPtr)dixLookupPrivate(&pScreen->devPrivates, + miSpriteScreenKey); + if (pDrawable->type == DRAWABLE_WINDOW && + pScreenPriv->isUp && + ORG_OVERLAP(&pScreenPriv->saved,pDrawable->x,pDrawable->y, sx, sy, w, h)) + { + SPRITE_DEBUG (("GetImage remove\n")); + miSpriteRemoveCursor (pScreen); + } + + (*pScreen->GetImage) (pDrawable, sx, sy, w, h, + format, planemask, pdstLine); + + SCREEN_EPILOGUE (pScreen, GetImage); +} + +static void +miSpriteGetSpans (pDrawable, wMax, ppt, pwidth, nspans, pdstStart) + DrawablePtr pDrawable; + int wMax; + DDXPointPtr ppt; + int *pwidth; + int nspans; + char *pdstStart; +{ + ScreenPtr pScreen = pDrawable->pScreen; + miSpriteScreenPtr pScreenPriv; + + SCREEN_PROLOGUE (pScreen, GetSpans); + + pScreenPriv = (miSpriteScreenPtr)dixLookupPrivate(&pScreen->devPrivates, + miSpriteScreenKey); + if (pDrawable->type == DRAWABLE_WINDOW && pScreenPriv->isUp) + { + DDXPointPtr pts; + int *widths; + int nPts; + int xorg, + yorg; + + xorg = pDrawable->x; + yorg = pDrawable->y; + + for (pts = ppt, widths = pwidth, nPts = nspans; + nPts--; + pts++, widths++) + { + if (SPN_OVERLAP(&pScreenPriv->saved,pts->y+yorg, + pts->x+xorg,*widths)) + { + SPRITE_DEBUG (("GetSpans remove\n")); + miSpriteRemoveCursor (pScreen); + break; + } + } + } + + (*pScreen->GetSpans) (pDrawable, wMax, ppt, pwidth, nspans, pdstStart); + + SCREEN_EPILOGUE (pScreen, GetSpans); +} + +static void +miSpriteSourceValidate (pDrawable, x, y, width, height) + DrawablePtr pDrawable; + int x, y, width, height; +{ + ScreenPtr pScreen = pDrawable->pScreen; + miSpriteScreenPtr pScreenPriv; + + SCREEN_PROLOGUE (pScreen, SourceValidate); + + pScreenPriv = (miSpriteScreenPtr)dixLookupPrivate(&pScreen->devPrivates, + miSpriteScreenKey); + if (pDrawable->type == DRAWABLE_WINDOW && pScreenPriv->isUp && + ORG_OVERLAP(&pScreenPriv->saved, pDrawable->x, pDrawable->y, + x, y, width, height)) + { + SPRITE_DEBUG (("SourceValidate remove\n")); + miSpriteRemoveCursor (pScreen); + } + + if (pScreen->SourceValidate) + (*pScreen->SourceValidate) (pDrawable, x, y, width, height); + + SCREEN_EPILOGUE (pScreen, SourceValidate); +} + +static void +miSpriteCopyWindow (WindowPtr pWindow, DDXPointRec ptOldOrg, RegionPtr prgnSrc) +{ + ScreenPtr pScreen = pWindow->drawable.pScreen; + miSpriteScreenPtr pScreenPriv; + + SCREEN_PROLOGUE (pScreen, CopyWindow); + + pScreenPriv = (miSpriteScreenPtr)dixLookupPrivate(&pScreen->devPrivates, + miSpriteScreenKey); + /* + * Damage will take care of destination check + */ + if (pScreenPriv->isUp && + RECT_IN_REGION (pScreen, prgnSrc, &pScreenPriv->saved) != rgnOUT) + { + SPRITE_DEBUG (("CopyWindow remove\n")); + miSpriteRemoveCursor (pScreen); + } + + (*pScreen->CopyWindow) (pWindow, ptOldOrg, prgnSrc); + SCREEN_EPILOGUE (pScreen, CopyWindow); +} + +static void +miSpriteBlockHandler (i, blockData, pTimeout, pReadmask) + int i; + pointer blockData; + pointer pTimeout; + pointer pReadmask; +{ + ScreenPtr pScreen = screenInfo.screens[i]; + miSpriteScreenPtr pPriv; + + pPriv = (miSpriteScreenPtr)dixLookupPrivate(&pScreen->devPrivates, + miSpriteScreenKey); + SCREEN_PROLOGUE(pScreen, BlockHandler); + + (*pScreen->BlockHandler) (i, blockData, pTimeout, pReadmask); + + SCREEN_EPILOGUE(pScreen, BlockHandler); + + if (!pPriv->isUp && pPriv->shouldBeUp) + { + SPRITE_DEBUG (("BlockHandler restore\n")); + miSpriteRestoreCursor (pScreen); + } +} + +static void +miSpriteInstallColormap (pMap) + ColormapPtr pMap; +{ + ScreenPtr pScreen = pMap->pScreen; + miSpriteScreenPtr pPriv; + + pPriv = (miSpriteScreenPtr)dixLookupPrivate(&pScreen->devPrivates, + miSpriteScreenKey); + SCREEN_PROLOGUE(pScreen, InstallColormap); + + (*pScreen->InstallColormap) (pMap); + + SCREEN_EPILOGUE(pScreen, InstallColormap); + + pPriv->pInstalledMap = pMap; + if (pPriv->pColormap != pMap) + { + pPriv->checkPixels = TRUE; + if (pPriv->isUp) + miSpriteRemoveCursor (pScreen); + } +} + +static void +miSpriteStoreColors (pMap, ndef, pdef) + ColormapPtr pMap; + int ndef; + xColorItem *pdef; +{ + ScreenPtr pScreen = pMap->pScreen; + miSpriteScreenPtr pPriv; + int i; + int updated; + VisualPtr pVisual; + + pPriv = (miSpriteScreenPtr)dixLookupPrivate(&pScreen->devPrivates, + miSpriteScreenKey); + SCREEN_PROLOGUE(pScreen, StoreColors); + + (*pScreen->StoreColors) (pMap, ndef, pdef); + + SCREEN_EPILOGUE(pScreen, StoreColors); + + if (pPriv->pColormap == pMap) + { + updated = 0; + pVisual = pMap->pVisual; + if (pVisual->class == DirectColor) + { + /* Direct color - match on any of the subfields */ + +#define MaskMatch(a,b,mask) (((a) & (pVisual->mask)) == ((b) & (pVisual->mask))) + +#define UpdateDAC(plane,dac,mask) {\ + if (MaskMatch (pPriv->colors[plane].pixel,pdef[i].pixel,mask)) {\ + pPriv->colors[plane].dac = pdef[i].dac; \ + updated = 1; \ + } \ +} + +#define CheckDirect(plane) \ + UpdateDAC(plane,red,redMask) \ + UpdateDAC(plane,green,greenMask) \ + UpdateDAC(plane,blue,blueMask) + + for (i = 0; i < ndef; i++) + { + CheckDirect (SOURCE_COLOR) + CheckDirect (MASK_COLOR) + } + } + else + { + /* PseudoColor/GrayScale - match on exact pixel */ + for (i = 0; i < ndef; i++) + { + if (pdef[i].pixel == pPriv->colors[SOURCE_COLOR].pixel) + { + pPriv->colors[SOURCE_COLOR] = pdef[i]; + if (++updated == 2) + break; + } + if (pdef[i].pixel == pPriv->colors[MASK_COLOR].pixel) + { + pPriv->colors[MASK_COLOR] = pdef[i]; + if (++updated == 2) + break; + } + } + } + if (updated) + { + pPriv->checkPixels = TRUE; + if (pPriv->isUp) + miSpriteRemoveCursor (pScreen); + } + } +} + +static void +miSpriteFindColors (ScreenPtr pScreen) +{ + miSpriteScreenPtr pScreenPriv = (miSpriteScreenPtr) + dixLookupPrivate(&pScreen->devPrivates, miSpriteScreenKey); + CursorPtr pCursor; + xColorItem *sourceColor, *maskColor; + + pCursor = pScreenPriv->pCursor; + sourceColor = &pScreenPriv->colors[SOURCE_COLOR]; + maskColor = &pScreenPriv->colors[MASK_COLOR]; + if (pScreenPriv->pColormap != pScreenPriv->pInstalledMap || + !(pCursor->foreRed == sourceColor->red && + pCursor->foreGreen == sourceColor->green && + pCursor->foreBlue == sourceColor->blue && + pCursor->backRed == maskColor->red && + pCursor->backGreen == maskColor->green && + pCursor->backBlue == maskColor->blue)) + { + pScreenPriv->pColormap = pScreenPriv->pInstalledMap; + sourceColor->red = pCursor->foreRed; + sourceColor->green = pCursor->foreGreen; + sourceColor->blue = pCursor->foreBlue; + FakeAllocColor (pScreenPriv->pColormap, sourceColor); + maskColor->red = pCursor->backRed; + maskColor->green = pCursor->backGreen; + maskColor->blue = pCursor->backBlue; + FakeAllocColor (pScreenPriv->pColormap, maskColor); + /* "free" the pixels right away, don't let this confuse you */ + FakeFreeColor(pScreenPriv->pColormap, sourceColor->pixel); + FakeFreeColor(pScreenPriv->pColormap, maskColor->pixel); + } + pScreenPriv->checkPixels = FALSE; +} + +/* + * miPointer interface routines + */ + +#define SPRITE_PAD 8 + +static Bool +miSpriteRealizeCursor (pScreen, pCursor) + ScreenPtr pScreen; + CursorPtr pCursor; +{ + miSpriteScreenPtr pScreenPriv; + + pScreenPriv = (miSpriteScreenPtr)dixLookupPrivate(&pScreen->devPrivates, + miSpriteScreenKey); + if (pCursor == pScreenPriv->pCursor) + pScreenPriv->checkPixels = TRUE; + return (*pScreenPriv->funcs->RealizeCursor) (pScreen, pCursor); +} + +static Bool +miSpriteUnrealizeCursor (pScreen, pCursor) + ScreenPtr pScreen; + CursorPtr pCursor; +{ + miSpriteScreenPtr pScreenPriv; + + pScreenPriv = (miSpriteScreenPtr)dixLookupPrivate(&pScreen->devPrivates, + miSpriteScreenKey); + return (*pScreenPriv->funcs->UnrealizeCursor) (pScreen, pCursor); +} + +static void +miSpriteSetCursor (pScreen, pCursor, x, y) + ScreenPtr pScreen; + CursorPtr pCursor; + int x; + int y; +{ + miSpriteScreenPtr pScreenPriv; + + pScreenPriv = (miSpriteScreenPtr)dixLookupPrivate(&pScreen->devPrivates, + miSpriteScreenKey); + if (!pCursor) + { + pScreenPriv->shouldBeUp = FALSE; + if (pScreenPriv->isUp) + miSpriteRemoveCursor (pScreen); + pScreenPriv->pCursor = 0; + return; + } + pScreenPriv->shouldBeUp = TRUE; + if (pScreenPriv->x == x && + pScreenPriv->y == y && + pScreenPriv->pCursor == pCursor && + !pScreenPriv->checkPixels) + { + return; + } + pScreenPriv->x = x; + pScreenPriv->y = y; + pScreenPriv->pCacheWin = NullWindow; + if (pScreenPriv->checkPixels || pScreenPriv->pCursor != pCursor) + { + pScreenPriv->pCursor = pCursor; + miSpriteFindColors (pScreen); + } + if (pScreenPriv->isUp) { + int sx, sy; + /* + * check to see if the old saved region + * encloses the new sprite, in which case we use + * the flicker-free MoveCursor primitive. + */ + sx = pScreenPriv->x - (int)pCursor->bits->xhot; + sy = pScreenPriv->y - (int)pCursor->bits->yhot; + if (sx + (int) pCursor->bits->width >= pScreenPriv->saved.x1 && + sx < pScreenPriv->saved.x2 && + sy + (int) pCursor->bits->height >= pScreenPriv->saved.y1 && + sy < pScreenPriv->saved.y2 && + (int) pCursor->bits->width + (2 * SPRITE_PAD) == + pScreenPriv->saved.x2 - pScreenPriv->saved.x1 && + (int) pCursor->bits->height + (2 * SPRITE_PAD) == + pScreenPriv->saved.y2 - pScreenPriv->saved.y1 + ) + { + DamageDrawInternal (pScreen, TRUE); + miSpriteIsUpFALSE (pScreen, pScreenPriv); + if (!(sx >= pScreenPriv->saved.x1 && + sx + (int)pCursor->bits->width < pScreenPriv->saved.x2 && + sy >= pScreenPriv->saved.y1 && + sy + (int)pCursor->bits->height < pScreenPriv->saved.y2)) + { + int oldx1, oldy1, dx, dy; + + oldx1 = pScreenPriv->saved.x1; + oldy1 = pScreenPriv->saved.y1; + dx = oldx1 - (sx - SPRITE_PAD); + dy = oldy1 - (sy - SPRITE_PAD); + pScreenPriv->saved.x1 -= dx; + pScreenPriv->saved.y1 -= dy; + pScreenPriv->saved.x2 -= dx; + pScreenPriv->saved.y2 -= dy; + (void) (*pScreenPriv->funcs->ChangeSave) (pScreen, + pScreenPriv->saved.x1, + pScreenPriv->saved.y1, + pScreenPriv->saved.x2 - pScreenPriv->saved.x1, + pScreenPriv->saved.y2 - pScreenPriv->saved.y1, + dx, dy); + } + (void) (*pScreenPriv->funcs->MoveCursor) (pScreen, pCursor, + pScreenPriv->saved.x1, + pScreenPriv->saved.y1, + pScreenPriv->saved.x2 - pScreenPriv->saved.x1, + pScreenPriv->saved.y2 - pScreenPriv->saved.y1, + sx - pScreenPriv->saved.x1, + sy - pScreenPriv->saved.y1, + pScreenPriv->colors[SOURCE_COLOR].pixel, + pScreenPriv->colors[MASK_COLOR].pixel); + miSpriteIsUpTRUE (pScreen, pScreenPriv); + DamageDrawInternal (pScreen, FALSE); + } + else + { + SPRITE_DEBUG (("SetCursor remove\n")); + miSpriteRemoveCursor (pScreen); + } + } + if (!pScreenPriv->isUp && pScreenPriv->pCursor) + { + SPRITE_DEBUG (("SetCursor restore\n")); + miSpriteRestoreCursor (pScreen); + } +} + +static void +miSpriteMoveCursor (pScreen, x, y) + ScreenPtr pScreen; + int x, y; +{ + miSpriteScreenPtr pScreenPriv; + + pScreenPriv = (miSpriteScreenPtr)dixLookupPrivate(&pScreen->devPrivates, + miSpriteScreenKey); + miSpriteSetCursor (pScreen, pScreenPriv->pCursor, x, y); +} + +/* + * undraw/draw cursor + */ + +static void +miSpriteRemoveCursor (pScreen) + ScreenPtr pScreen; +{ + miSpriteScreenPtr pScreenPriv; + + DamageDrawInternal (pScreen, TRUE); + pScreenPriv = (miSpriteScreenPtr)dixLookupPrivate(&pScreen->devPrivates, + miSpriteScreenKey); + miSpriteIsUpFALSE (pScreen, pScreenPriv); + pScreenPriv->pCacheWin = NullWindow; + if (!(*pScreenPriv->funcs->RestoreUnderCursor) (pScreen, + pScreenPriv->saved.x1, + pScreenPriv->saved.y1, + pScreenPriv->saved.x2 - pScreenPriv->saved.x1, + pScreenPriv->saved.y2 - pScreenPriv->saved.y1)) + { + miSpriteIsUpTRUE (pScreen, pScreenPriv); + } + DamageDrawInternal (pScreen, FALSE); +} + +/* + * Called from the block handler, restores the cursor + * before waiting for something to do. + */ + +static void +miSpriteRestoreCursor (pScreen) + ScreenPtr pScreen; +{ + miSpriteScreenPtr pScreenPriv; + int x, y; + CursorPtr pCursor; + + DamageDrawInternal (pScreen, TRUE); + miSpriteComputeSaved (pScreen); + pScreenPriv = (miSpriteScreenPtr)dixLookupPrivate(&pScreen->devPrivates, + miSpriteScreenKey); + pCursor = pScreenPriv->pCursor; + x = pScreenPriv->x - (int)pCursor->bits->xhot; + y = pScreenPriv->y - (int)pCursor->bits->yhot; + if ((*pScreenPriv->funcs->SaveUnderCursor) (pScreen, + pScreenPriv->saved.x1, + pScreenPriv->saved.y1, + pScreenPriv->saved.x2 - pScreenPriv->saved.x1, + pScreenPriv->saved.y2 - pScreenPriv->saved.y1)) + { + if (pScreenPriv->checkPixels) + miSpriteFindColors (pScreen); + if ((*pScreenPriv->funcs->PutUpCursor) (pScreen, pCursor, x, y, + pScreenPriv->colors[SOURCE_COLOR].pixel, + pScreenPriv->colors[MASK_COLOR].pixel)) + { + miSpriteIsUpTRUE (pScreen, pScreenPriv); + } + } + DamageDrawInternal (pScreen, FALSE); +} + +/* + * compute the desired area of the screen to save + */ + +static void +miSpriteComputeSaved (pScreen) + ScreenPtr pScreen; +{ + miSpriteScreenPtr pScreenPriv; + int x, y, w, h; + int wpad, hpad; + CursorPtr pCursor; + + pScreenPriv = (miSpriteScreenPtr)dixLookupPrivate(&pScreen->devPrivates, + miSpriteScreenKey); + pCursor = pScreenPriv->pCursor; + x = pScreenPriv->x - (int)pCursor->bits->xhot; + y = pScreenPriv->y - (int)pCursor->bits->yhot; + w = pCursor->bits->width; + h = pCursor->bits->height; + wpad = SPRITE_PAD; + hpad = SPRITE_PAD; + pScreenPriv->saved.x1 = x - wpad; + pScreenPriv->saved.y1 = y - hpad; + pScreenPriv->saved.x2 = pScreenPriv->saved.x1 + w + wpad * 2; + pScreenPriv->saved.y2 = pScreenPriv->saved.y1 + h + hpad * 2; +} |