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Diffstat (limited to 'xorg-server/mi/misprite.c')
-rw-r--r--xorg-server/mi/misprite.c2093
1 files changed, 1048 insertions, 1045 deletions
diff --git a/xorg-server/mi/misprite.c b/xorg-server/mi/misprite.c
index b0290af29..9df6c1fb1 100644
--- a/xorg-server/mi/misprite.c
+++ b/xorg-server/mi/misprite.c
@@ -1,1045 +1,1048 @@
-/*
- * 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 "misprite.h"
-#include "dixfontstr.h"
-#include <X11/fonts/fontstruct.h>
-#include "inputstr.h"
-#include "damage.h"
-
-typedef struct {
- CursorPtr pCursor;
- int x; /* cursor hotspot */
- int y;
- BoxRec saved; /* saved area from the screen */
- Bool isUp; /* cursor in frame buffer */
- Bool shouldBeUp; /* cursor should be displayed */
- WindowPtr pCacheWin; /* window the cursor last seen in */
- Bool isInCacheWin;
- Bool checkPixels; /* check colormap collision */
- ScreenPtr pScreen;
-} miCursorInfoRec, *miCursorInfoPtr;
-
-/*
- * per screen information
- */
-
-typedef struct {
- /* screen procedures */
- CloseScreenProcPtr CloseScreen;
- GetImageProcPtr GetImage;
- GetSpansProcPtr GetSpans;
- SourceValidateProcPtr SourceValidate;
-
- /* window procedures */
- CopyWindowProcPtr CopyWindow;
-
- /* colormap procedures */
- InstallColormapProcPtr InstallColormap;
- StoreColorsProcPtr StoreColors;
-
- /* os layer procedures */
- ScreenBlockHandlerProcPtr BlockHandler;
-
- /* device cursor procedures */
- DeviceCursorInitializeProcPtr DeviceCursorInitialize;
- DeviceCursorCleanupProcPtr DeviceCursorCleanup;
-
- xColorItem colors[2];
- ColormapPtr pInstalledMap;
- ColormapPtr pColormap;
- VisualPtr pVisual;
- DamagePtr pDamage; /* damage tracking structure */
- Bool damageRegistered;
- int numberOfCursors;
-} miSpriteScreenRec, *miSpriteScreenPtr;
-
-#define SOURCE_COLOR 0
-#define MASK_COLOR 1
-
-/*
- * Overlap BoxPtr and Box elements
- */
-#define BOX_OVERLAP(pCbox,X1,Y1,X2,Y2) \
- (((pCbox)->x1 <= (X2)) && ((X1) <= (pCbox)->x2) && \
- ((pCbox)->y1 <= (Y2)) && ((Y1) <= (pCbox)->y2))
-
-/*
- * Overlap BoxPtr, origins, and rectangle
- */
-#define ORG_OVERLAP(pCbox,xorg,yorg,x,y,w,h) \
- BOX_OVERLAP((pCbox),(x)+(xorg),(y)+(yorg),(x)+(xorg)+(w),(y)+(yorg)+(h))
-
-/*
- * Overlap BoxPtr, origins and RectPtr
- */
-#define ORGRECT_OVERLAP(pCbox,xorg,yorg,pRect) \
- ORG_OVERLAP((pCbox),(xorg),(yorg),(pRect)->x,(pRect)->y, \
- (int)((pRect)->width), (int)((pRect)->height))
-/*
- * Overlap BoxPtr and horizontal span
- */
-#define SPN_OVERLAP(pCbox,y,x,w) BOX_OVERLAP((pCbox),(x),(y),(x)+(w),(y))
-
-#define LINE_SORT(x1,y1,x2,y2) \
-{ int _t; \
- if (x1 > x2) { _t = x1; x1 = x2; x2 = _t; } \
- if (y1 > y2) { _t = y1; y1 = y2; y2 = _t; } }
-
-#define LINE_OVERLAP(pCbox,x1,y1,x2,y2,lw2) \
- BOX_OVERLAP((pCbox), (x1)-(lw2), (y1)-(lw2), (x2)+(lw2), (y2)+(lw2))
-
-
-#define SPRITE_DEBUG_ENABLE 0
-#if SPRITE_DEBUG_ENABLE
-#define SPRITE_DEBUG(x) ErrorF x
-#else
-#define SPRITE_DEBUG(x)
-#endif
-
-#define MISPRITE(dev) \
- (IsFloating(dev) ? \
- (miCursorInfoPtr)dixLookupPrivate(&dev->devPrivates, miSpriteDevPrivatesKey) : \
- (miCursorInfoPtr)dixLookupPrivate(&(GetMaster(dev, MASTER_POINTER))->devPrivates, miSpriteDevPrivatesKey))
-
-static void
-miSpriteDisableDamage(ScreenPtr pScreen, miSpriteScreenPtr pScreenPriv)
-{
- if (pScreenPriv->damageRegistered) {
- DamageUnregister (&(pScreen->GetScreenPixmap(pScreen)->drawable),
- pScreenPriv->pDamage);
- pScreenPriv->damageRegistered = 0;
- }
-}
-
-static void
-miSpriteEnableDamage(ScreenPtr pScreen, miSpriteScreenPtr pScreenPriv)
-{
- if (!pScreenPriv->damageRegistered) {
- pScreenPriv->damageRegistered = 1;
- DamageRegister (&(pScreen->GetScreenPixmap(pScreen)->drawable),
- pScreenPriv->pDamage);
- }
-}
-
-static void
-miSpriteIsUp(miCursorInfoPtr pDevCursor)
-{
- pDevCursor->isUp = TRUE;
-}
-
-static void
-miSpriteIsDown(miCursorInfoPtr pDevCursor)
-{
- pDevCursor->isUp = FALSE;
-}
-
-/*
- * screen wrappers
- */
-
-static DevPrivateKeyRec miSpriteScreenKeyRec;
-#define miSpriteScreenKey (&miSpriteScreenKeyRec)
-#define GetSpriteScreen(pScreen) \
- (dixLookupPrivate(&(pScreen)->devPrivates, miSpriteScreenKey))
-static DevPrivateKeyRec miSpriteDevPrivatesKeyRec;
-#define miSpriteDevPrivatesKey (&miSpriteDevPrivatesKeyRec)
-
-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,
- unsigned int subWindowMode);
-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(DeviceIntPtr pDev,
- ScreenPtr pScreen);
-
-static Bool miSpriteDeviceCursorInitialize(DeviceIntPtr pDev,
- ScreenPtr pScreen);
-static void miSpriteDeviceCursorCleanup(DeviceIntPtr pDev,
- ScreenPtr pScreen);
-
-#define SCREEN_PROLOGUE(pPriv, pScreen, field) ((pScreen)->field = \
- (pPriv)->field)
-#define SCREEN_EPILOGUE(pPriv, pScreen, field)\
- ((pPriv)->field = (pScreen)->field, (pScreen)->field = miSprite##field)
-
-/*
- * pointer-sprite method table
- */
-
-static Bool miSpriteRealizeCursor(DeviceIntPtr pDev, ScreenPtr pScreen,
- CursorPtr pCursor);
-static Bool miSpriteUnrealizeCursor(DeviceIntPtr pDev, ScreenPtr pScreen,
- CursorPtr pCursor);
-static void miSpriteSetCursor(DeviceIntPtr pDev, ScreenPtr pScreen,
- CursorPtr pCursor, int x, int y);
-static void miSpriteMoveCursor(DeviceIntPtr pDev, ScreenPtr pScreen,
- int x, int y);
-
-miPointerSpriteFuncRec miSpritePointerFuncs = {
- miSpriteRealizeCursor,
- miSpriteUnrealizeCursor,
- miSpriteSetCursor,
- miSpriteMoveCursor,
- miSpriteDeviceCursorInitialize,
- miSpriteDeviceCursorCleanup,
-};
-
-/*
- * other misc functions
- */
-
-static void miSpriteRemoveCursor(DeviceIntPtr pDev,
- ScreenPtr pScreen);
-static void miSpriteSaveUnderCursor(DeviceIntPtr pDev,
- ScreenPtr pScreen);
-static void miSpriteRestoreCursor(DeviceIntPtr pDev,
- ScreenPtr pScreen);
-
-static void
-miSpriteRegisterBlockHandler(ScreenPtr pScreen, miSpriteScreenPtr pScreenPriv)
-{
- if (!pScreenPriv->BlockHandler) {
- pScreenPriv->BlockHandler = pScreen->BlockHandler;
- pScreen->BlockHandler = miSpriteBlockHandler;
- }
-}
-
-static void
-miSpriteReportDamage (DamagePtr pDamage, RegionPtr pRegion, void *closure)
-{
- ScreenPtr pScreen = closure;
- miCursorInfoPtr pCursorInfo;
- DeviceIntPtr pDev;
-
- for (pDev = inputInfo.devices; pDev; pDev = pDev->next)
- {
- if (DevHasCursor(pDev))
- {
- pCursorInfo = MISPRITE(pDev);
-
- if (pCursorInfo->isUp &&
- pCursorInfo->pScreen == pScreen &&
- RegionContainsRect(pRegion, &pCursorInfo->saved) != rgnOUT)
- {
- SPRITE_DEBUG(("Damage remove\n"));
- miSpriteRemoveCursor (pDev, pScreen);
- }
- }
- }
-}
-
-/*
- * miSpriteInitialize -- called from device-dependent screen
- * initialization proc after all of the function pointers have
- * been stored in the screen structure.
- */
-
-Bool
-miSpriteInitialize (ScreenPtr pScreen,
- miPointerScreenFuncPtr screenFuncs)
-{
- miSpriteScreenPtr pScreenPriv;
- VisualPtr pVisual;
-
- if (!DamageSetup (pScreen))
- return FALSE;
-
- if (!dixRegisterPrivateKey(&miSpriteScreenKeyRec, PRIVATE_SCREEN, 0))
- return FALSE;
-
- if (!dixRegisterPrivateKey(&miSpriteDevPrivatesKeyRec, PRIVATE_DEVICE, 0))
- return FALSE;
-
- pScreenPriv = malloc(sizeof (miSpriteScreenRec));
- if (!pScreenPriv)
- return FALSE;
-
- pScreenPriv->pDamage = DamageCreate (miSpriteReportDamage,
- NULL,
- DamageReportRawRegion,
- TRUE,
- pScreen,
- pScreen);
-
- if (!miPointerInitialize (pScreen, &miSpritePointerFuncs, screenFuncs,TRUE))
- {
- free(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 = NULL;
-
- pScreenPriv->DeviceCursorInitialize = pScreen->DeviceCursorInitialize;
- pScreenPriv->DeviceCursorCleanup = pScreen->DeviceCursorCleanup;
-
- pScreenPriv->pInstalledMap = NULL;
- pScreenPriv->pColormap = NULL;
- 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;
- pScreenPriv->damageRegistered = 0;
- pScreenPriv->numberOfCursors = 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;
-
- return TRUE;
-}
-
-/*
- * Screen wrappers
- */
-
-/*
- * CloseScreen wrapper -- unwrap everything, free the private data
- * and call the wrapped function
- */
-
-static Bool
-miSpriteCloseScreen (int i, ScreenPtr pScreen)
-{
- miSpriteScreenPtr pScreenPriv = GetSpriteScreen(pScreen);
-
- pScreen->CloseScreen = pScreenPriv->CloseScreen;
- pScreen->GetImage = pScreenPriv->GetImage;
- pScreen->GetSpans = pScreenPriv->GetSpans;
- pScreen->SourceValidate = pScreenPriv->SourceValidate;
- pScreen->InstallColormap = pScreenPriv->InstallColormap;
- pScreen->StoreColors = pScreenPriv->StoreColors;
-
- DamageDestroy (pScreenPriv->pDamage);
-
- free(pScreenPriv);
-
- return (*pScreen->CloseScreen) (i, pScreen);
-}
-
-static void
-miSpriteGetImage (DrawablePtr pDrawable, int sx, int sy, int w, int h,
- unsigned int format, unsigned long planemask,
- char *pdstLine)
-{
- ScreenPtr pScreen = pDrawable->pScreen;
- DeviceIntPtr pDev;
- miCursorInfoPtr pCursorInfo;
- miSpriteScreenPtr pPriv = GetSpriteScreen(pScreen);
-
- SCREEN_PROLOGUE (pPriv, pScreen, GetImage);
-
- if (pDrawable->type == DRAWABLE_WINDOW)
- {
- for(pDev = inputInfo.devices; pDev; pDev = pDev->next)
- {
- if (DevHasCursor(pDev))
- {
- pCursorInfo = MISPRITE(pDev);
- if (pCursorInfo->isUp && pCursorInfo->pScreen == pScreen &&
- ORG_OVERLAP(&pCursorInfo->saved,pDrawable->x,pDrawable->y,
- sx, sy, w, h))
- {
- SPRITE_DEBUG (("GetImage remove\n"));
- miSpriteRemoveCursor (pDev, pScreen);
- }
- }
- }
- }
-
- (*pScreen->GetImage) (pDrawable, sx, sy, w, h,
- format, planemask, pdstLine);
-
- SCREEN_EPILOGUE (pPriv, pScreen, GetImage);
-}
-
-static void
-miSpriteGetSpans (DrawablePtr pDrawable, int wMax, DDXPointPtr ppt,
- int *pwidth, int nspans, char *pdstStart)
-{
- ScreenPtr pScreen = pDrawable->pScreen;
- DeviceIntPtr pDev;
- miCursorInfoPtr pCursorInfo;
- miSpriteScreenPtr pPriv = GetSpriteScreen(pScreen);
-
- SCREEN_PROLOGUE (pPriv, pScreen, GetSpans);
-
- if (pDrawable->type == DRAWABLE_WINDOW)
- {
- for(pDev = inputInfo.devices; pDev; pDev = pDev->next)
- {
- if (DevHasCursor(pDev))
- {
- pCursorInfo = MISPRITE(pDev);
-
- if (pCursorInfo->isUp && pCursorInfo->pScreen == pScreen)
- {
- 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(&pCursorInfo->saved,pts->y+yorg,
- pts->x+xorg,*widths))
- {
- SPRITE_DEBUG (("GetSpans remove\n"));
- miSpriteRemoveCursor (pDev, pScreen);
- break;
- }
- }
- }
- }
- }
- }
-
- (*pScreen->GetSpans) (pDrawable, wMax, ppt, pwidth, nspans, pdstStart);
-
- SCREEN_EPILOGUE (pPriv, pScreen, GetSpans);
-}
-
-static void
-miSpriteSourceValidate (DrawablePtr pDrawable, int x, int y, int width,
- int height, unsigned int subWindowMode)
-{
- ScreenPtr pScreen = pDrawable->pScreen;
- DeviceIntPtr pDev;
- miCursorInfoPtr pCursorInfo;
- miSpriteScreenPtr pPriv = GetSpriteScreen(pScreen);
-
- SCREEN_PROLOGUE (pPriv, pScreen, SourceValidate);
-
- if (pDrawable->type == DRAWABLE_WINDOW)
- {
- for(pDev = inputInfo.devices; pDev; pDev = pDev->next)
- {
- if (DevHasCursor(pDev))
- {
- pCursorInfo = MISPRITE(pDev);
- if (pCursorInfo->isUp && pCursorInfo->pScreen == pScreen &&
- ORG_OVERLAP(&pCursorInfo->saved, pDrawable->x, pDrawable->y,
- x, y, width, height))
- {
- SPRITE_DEBUG (("SourceValidate remove\n"));
- miSpriteRemoveCursor (pDev, pScreen);
- }
- }
- }
- }
-
- if (pScreen->SourceValidate)
- (*pScreen->SourceValidate) (pDrawable, x, y, width, height, subWindowMode);
-
- SCREEN_EPILOGUE (pPriv, pScreen, SourceValidate);
-}
-
-static void
-miSpriteCopyWindow (WindowPtr pWindow, DDXPointRec ptOldOrg, RegionPtr prgnSrc)
-{
- ScreenPtr pScreen = pWindow->drawable.pScreen;
- DeviceIntPtr pDev;
- miCursorInfoPtr pCursorInfo;
- miSpriteScreenPtr pPriv = GetSpriteScreen(pScreen);
-
- SCREEN_PROLOGUE (pPriv, pScreen, CopyWindow);
-
- for(pDev = inputInfo.devices; pDev; pDev = pDev->next)
- {
- if (DevHasCursor(pDev))
- {
- pCursorInfo = MISPRITE(pDev);
- /*
- * Damage will take care of destination check
- */
- if (pCursorInfo->isUp && pCursorInfo->pScreen == pScreen &&
- RegionContainsRect(prgnSrc, &pCursorInfo->saved) != rgnOUT)
- {
- SPRITE_DEBUG (("CopyWindow remove\n"));
- miSpriteRemoveCursor (pDev, pScreen);
- }
- }
- }
-
- (*pScreen->CopyWindow) (pWindow, ptOldOrg, prgnSrc);
- SCREEN_EPILOGUE (pPriv, pScreen, CopyWindow);
-}
-
-static void
-miSpriteBlockHandler (int i, pointer blockData, pointer pTimeout,
- pointer pReadmask)
-{
- ScreenPtr pScreen = screenInfo.screens[i];
- miSpriteScreenPtr pPriv = GetSpriteScreen(pScreen);
- DeviceIntPtr pDev;
- miCursorInfoPtr pCursorInfo;
- Bool WorkToDo = FALSE;
-
- for(pDev = inputInfo.devices; pDev; pDev = pDev->next)
- {
- if (DevHasCursor(pDev))
- {
- pCursorInfo = MISPRITE(pDev);
- if (pCursorInfo && !pCursorInfo->isUp
- && pCursorInfo->pScreen == pScreen
- && pCursorInfo->shouldBeUp)
- {
- SPRITE_DEBUG (("BlockHandler save"));
- miSpriteSaveUnderCursor (pDev, pScreen);
- }
- }
- }
- for(pDev = inputInfo.devices; pDev; pDev = pDev->next)
- {
- if (DevHasCursor(pDev))
- {
- pCursorInfo = MISPRITE(pDev);
- if (pCursorInfo && !pCursorInfo->isUp &&
- pCursorInfo->pScreen == pScreen &&
- pCursorInfo->shouldBeUp)
- {
- SPRITE_DEBUG (("BlockHandler restore\n"));
- miSpriteRestoreCursor (pDev, pScreen);
- if (!pCursorInfo->isUp)
- WorkToDo = TRUE;
- }
- }
- }
-
- SCREEN_PROLOGUE(pPriv, pScreen, BlockHandler);
-
- (*pScreen->BlockHandler) (i, blockData, pTimeout, pReadmask);
-
- if (WorkToDo)
- SCREEN_EPILOGUE(pPriv, pScreen, BlockHandler);
- else
- pPriv->BlockHandler = NULL;
-}
-
-static void
-miSpriteInstallColormap (ColormapPtr pMap)
-{
- ScreenPtr pScreen = pMap->pScreen;
- miSpriteScreenPtr pPriv = GetSpriteScreen(pScreen);
-
- SCREEN_PROLOGUE(pPriv, pScreen, InstallColormap);
-
- (*pScreen->InstallColormap) (pMap);
-
- SCREEN_EPILOGUE(pPriv, pScreen, InstallColormap);
-
- /* InstallColormap can be called before devices are initialized. */
- pPriv->pInstalledMap = pMap;
- if (pPriv->pColormap != pMap)
- {
- DeviceIntPtr pDev;
- miCursorInfoPtr pCursorInfo;
- for (pDev = inputInfo.devices; pDev; pDev = pDev->next)
- {
- if (DevHasCursor(pDev))
- {
- pCursorInfo = MISPRITE(pDev);
- pCursorInfo->checkPixels = TRUE;
- if (pCursorInfo->isUp && pCursorInfo->pScreen == pScreen)
- miSpriteRemoveCursor(pDev, pScreen);
- }
- }
-
- }
-}
-
-static void
-miSpriteStoreColors (ColormapPtr pMap, int ndef, xColorItem *pdef)
-{
- ScreenPtr pScreen = pMap->pScreen;
- miSpriteScreenPtr pPriv = GetSpriteScreen(pScreen);
- int i;
- int updated;
- VisualPtr pVisual;
- DeviceIntPtr pDev;
- miCursorInfoPtr pCursorInfo;
-
- SCREEN_PROLOGUE(pPriv, pScreen, StoreColors);
-
- (*pScreen->StoreColors) (pMap, ndef, pdef);
-
- SCREEN_EPILOGUE(pPriv, 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(dev, plane,dac,mask) {\
- if (MaskMatch (dev->colors[plane].pixel,pdef[i].pixel,mask)) {\
- dev->colors[plane].dac = pdef[i].dac; \
- updated = 1; \
- } \
-}
-
-#define CheckDirect(dev, plane) \
- UpdateDAC(dev, plane,red,redMask) \
- UpdateDAC(dev, plane,green,greenMask) \
- UpdateDAC(dev, plane,blue,blueMask)
-
- for (i = 0; i < ndef; i++)
- {
- CheckDirect (pPriv, SOURCE_COLOR)
- CheckDirect (pPriv, 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)
- {
- for(pDev = inputInfo.devices; pDev; pDev = pDev->next)
- {
- if (DevHasCursor(pDev))
- {
- pCursorInfo = MISPRITE(pDev);
- pCursorInfo->checkPixels = TRUE;
- if (pCursorInfo->isUp && pCursorInfo->pScreen == pScreen)
- miSpriteRemoveCursor (pDev, pScreen);
- }
- }
- }
- }
-}
-
-static void
-miSpriteFindColors (miCursorInfoPtr pDevCursor, ScreenPtr pScreen)
-{
- miSpriteScreenPtr pScreenPriv = GetSpriteScreen(pScreen);
- CursorPtr pCursor;
- xColorItem *sourceColor, *maskColor;
-
- pCursor = pDevCursor->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);
- }
-
- pDevCursor->checkPixels = FALSE;
-
-}
-
-/*
- * miPointer interface routines
- */
-
-#define SPRITE_PAD 8
-
-static Bool
-miSpriteRealizeCursor (DeviceIntPtr pDev, ScreenPtr pScreen, CursorPtr pCursor)
-{
- miCursorInfoPtr pCursorInfo;
-
- if (IsFloating(pDev))
- return FALSE;
-
- pCursorInfo = MISPRITE(pDev);
-
- if (pCursor == pCursorInfo->pCursor)
- pCursorInfo->checkPixels = TRUE;
-
- return miDCRealizeCursor(pScreen, pCursor);
-}
-
-static Bool
-miSpriteUnrealizeCursor(DeviceIntPtr pDev, ScreenPtr pScreen, CursorPtr pCursor)
-{
- return miDCUnrealizeCursor(pScreen, pCursor);
-}
-
-static void
-miSpriteSetCursor (DeviceIntPtr pDev, ScreenPtr pScreen,
- CursorPtr pCursor, int x, int y)
-{
- miCursorInfoPtr pPointer;
- miSpriteScreenPtr pScreenPriv;
-
- if (IsFloating(pDev))
- return;
-
- pPointer = MISPRITE(pDev);
- pScreenPriv = GetSpriteScreen(pScreen);
-
- if (!pCursor)
- {
- if (pPointer->shouldBeUp)
- --pScreenPriv->numberOfCursors;
- pPointer->shouldBeUp = FALSE;
- if (pPointer->isUp)
- miSpriteRemoveCursor (pDev, pScreen);
- if (pScreenPriv->numberOfCursors == 0)
- miSpriteDisableDamage(pScreen, pScreenPriv);
- pPointer->pCursor = 0;
- return;
- }
- if (!pPointer->shouldBeUp)
- pScreenPriv->numberOfCursors++;
- pPointer->shouldBeUp = TRUE;
- if (!pPointer->isUp)
- miSpriteRegisterBlockHandler(pScreen, pScreenPriv);
- if (pPointer->x == x &&
- pPointer->y == y &&
- pPointer->pCursor == pCursor &&
- !pPointer->checkPixels)
- {
- return;
- }
- pPointer->x = x;
- pPointer->y = y;
- pPointer->pCacheWin = NullWindow;
- if (pPointer->checkPixels || pPointer->pCursor != pCursor)
- {
- pPointer->pCursor = pCursor;
- miSpriteFindColors (pPointer, pScreen);
- }
- if (pPointer->isUp) {
- /* TODO: reimplement flicker-free MoveCursor */
- SPRITE_DEBUG (("SetCursor remove %d\n", pDev->id));
- miSpriteRemoveCursor (pDev, pScreen);
- }
-
- if (!pPointer->isUp && pPointer->pCursor)
- {
- SPRITE_DEBUG (("SetCursor restore %d\n", pDev->id));
- miSpriteSaveUnderCursor(pDev, pScreen);
- miSpriteRestoreCursor (pDev, pScreen);
- }
-
-}
-
-static void
-miSpriteMoveCursor (DeviceIntPtr pDev, ScreenPtr pScreen, int x, int y)
-{
- CursorPtr pCursor;
-
- if (IsFloating(pDev))
- return;
-
- pCursor = MISPRITE(pDev)->pCursor;
-
- miSpriteSetCursor (pDev, pScreen, pCursor, x, y);
-}
-
-
-static Bool
-miSpriteDeviceCursorInitialize(DeviceIntPtr pDev, ScreenPtr pScreen)
-{
- miCursorInfoPtr pCursorInfo;
- int ret = FALSE;
-
- pCursorInfo = malloc(sizeof(miCursorInfoRec));
- if (!pCursorInfo)
- return FALSE;
-
- pCursorInfo->pCursor = NULL;
- pCursorInfo->x = 0;
- pCursorInfo->y = 0;
- pCursorInfo->isUp = FALSE;
- pCursorInfo->shouldBeUp = FALSE;
- pCursorInfo->pCacheWin = NullWindow;
- pCursorInfo->isInCacheWin = FALSE;
- pCursorInfo->checkPixels = TRUE;
- pCursorInfo->pScreen = FALSE;
-
- ret = miDCDeviceInitialize(pDev, pScreen);
- if (!ret)
- {
- free(pCursorInfo);
- pCursorInfo = NULL;
- }
- dixSetPrivate(&pDev->devPrivates, miSpriteDevPrivatesKey, pCursorInfo);
- return ret;
-}
-
-static void
-miSpriteDeviceCursorCleanup(DeviceIntPtr pDev, ScreenPtr pScreen)
-{
- if (DevHasCursor(pDev))
- miDCDeviceCleanup(pDev, pScreen);
-}
-
-/*
- * undraw/draw cursor
- */
-
-static void
-miSpriteRemoveCursor (DeviceIntPtr pDev, ScreenPtr pScreen)
-{
- miSpriteScreenPtr pScreenPriv;
- miCursorInfoPtr pCursorInfo;
-
-
- if (IsFloating(pDev))
- return;
-
- DamageDrawInternal (pScreen, TRUE);
- pScreenPriv = GetSpriteScreen(pScreen);
- pCursorInfo = MISPRITE(pDev);
-
- miSpriteIsDown(pCursorInfo);
- miSpriteRegisterBlockHandler(pScreen, pScreenPriv);
- pCursorInfo->pCacheWin = NullWindow;
- miSpriteDisableDamage(pScreen, pScreenPriv);
- if (!miDCRestoreUnderCursor(pDev,
- pScreen,
- pCursorInfo->saved.x1,
- pCursorInfo->saved.y1,
- pCursorInfo->saved.x2 -
- pCursorInfo->saved.x1,
- pCursorInfo->saved.y2 -
- pCursorInfo->saved.y1))
- {
- miSpriteIsUp(pCursorInfo);
- }
- miSpriteEnableDamage(pScreen, pScreenPriv);
- DamageDrawInternal (pScreen, FALSE);
-}
-
-/*
- * Called from the block handler, saves area under cursor
- * before waiting for something to do.
- */
-
-static void
-miSpriteSaveUnderCursor(DeviceIntPtr pDev, ScreenPtr pScreen)
-{
- miSpriteScreenPtr pScreenPriv;
- int x, y;
- CursorPtr pCursor;
- miCursorInfoPtr pCursorInfo;
-
- if (IsFloating(pDev))
- return;
-
- DamageDrawInternal (pScreen, TRUE);
- pScreenPriv = GetSpriteScreen(pScreen);
- pCursorInfo = MISPRITE(pDev);
-
- miSpriteComputeSaved (pDev, pScreen);
- pCursor = pCursorInfo->pCursor;
-
- x = pCursorInfo->x - (int)pCursor->bits->xhot;
- y = pCursorInfo->y - (int)pCursor->bits->yhot;
- miSpriteDisableDamage(pScreen, pScreenPriv);
-
- miDCSaveUnderCursor(pDev,
- pScreen,
- pCursorInfo->saved.x1,
- pCursorInfo->saved.y1,
- pCursorInfo->saved.x2 -
- pCursorInfo->saved.x1,
- pCursorInfo->saved.y2 -
- pCursorInfo->saved.y1);
- SPRITE_DEBUG(("SaveUnderCursor %d\n", pDev->id));
- miSpriteEnableDamage(pScreen, pScreenPriv);
- DamageDrawInternal (pScreen, FALSE);
-}
-
-
-/*
- * Called from the block handler, restores the cursor
- * before waiting for something to do.
- */
-
-static void
-miSpriteRestoreCursor (DeviceIntPtr pDev, ScreenPtr pScreen)
-{
- miSpriteScreenPtr pScreenPriv;
- int x, y;
- CursorPtr pCursor;
- miCursorInfoPtr pCursorInfo;
-
- if (IsFloating(pDev))
- return;
-
- DamageDrawInternal (pScreen, TRUE);
- pScreenPriv = GetSpriteScreen(pScreen);
- pCursorInfo = MISPRITE(pDev);
-
- miSpriteComputeSaved (pDev, pScreen);
- pCursor = pCursorInfo->pCursor;
-
- x = pCursorInfo->x - (int)pCursor->bits->xhot;
- y = pCursorInfo->y - (int)pCursor->bits->yhot;
- miSpriteDisableDamage(pScreen, pScreenPriv);
- SPRITE_DEBUG(("RestoreCursor %d\n", pDev->id));
- if (pCursorInfo->checkPixels)
- miSpriteFindColors (pCursorInfo, pScreen);
- if (miDCPutUpCursor(pDev, pScreen,
- pCursor, x, y,
- pScreenPriv->colors[SOURCE_COLOR].pixel,
- pScreenPriv->colors[MASK_COLOR].pixel))
- {
- miSpriteIsUp(pCursorInfo);
- pCursorInfo->pScreen = pScreen;
- }
- miSpriteEnableDamage(pScreen, pScreenPriv);
- DamageDrawInternal (pScreen, FALSE);
-}
-
-/*
- * compute the desired area of the screen to save
- */
-
-static void
-miSpriteComputeSaved (DeviceIntPtr pDev, ScreenPtr pScreen)
-{
- int x, y, w, h;
- int wpad, hpad;
- CursorPtr pCursor;
- miCursorInfoPtr pCursorInfo;
-
- if (IsFloating(pDev))
- return;
-
- pCursorInfo = MISPRITE(pDev);
-
- pCursor = pCursorInfo->pCursor;
- x = pCursorInfo->x - (int)pCursor->bits->xhot;
- y = pCursorInfo->y - (int)pCursor->bits->yhot;
- w = pCursor->bits->width;
- h = pCursor->bits->height;
- wpad = SPRITE_PAD;
- hpad = SPRITE_PAD;
- pCursorInfo->saved.x1 = x - wpad;
- pCursorInfo->saved.y1 = y - hpad;
- pCursorInfo->saved.x2 = pCursorInfo->saved.x1 + w + wpad * 2;
- pCursorInfo->saved.y2 = pCursorInfo->saved.y1 + h + hpad * 2;
-}
-
+/*
+ * 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 "misprite.h"
+#include "dixfontstr.h"
+#include <X11/fonts/fontstruct.h>
+#include "inputstr.h"
+#include "damage.h"
+
+typedef struct {
+ CursorPtr pCursor;
+ int x; /* cursor hotspot */
+ int y;
+ BoxRec saved; /* saved area from the screen */
+ Bool isUp; /* cursor in frame buffer */
+ Bool shouldBeUp; /* cursor should be displayed */
+ WindowPtr pCacheWin; /* window the cursor last seen in */
+ Bool isInCacheWin;
+ Bool checkPixels; /* check colormap collision */
+ ScreenPtr pScreen;
+} miCursorInfoRec, *miCursorInfoPtr;
+
+/*
+ * per screen information
+ */
+
+typedef struct {
+ /* screen procedures */
+ CloseScreenProcPtr CloseScreen;
+ GetImageProcPtr GetImage;
+ GetSpansProcPtr GetSpans;
+ SourceValidateProcPtr SourceValidate;
+
+ /* window procedures */
+ CopyWindowProcPtr CopyWindow;
+
+ /* colormap procedures */
+ InstallColormapProcPtr InstallColormap;
+ StoreColorsProcPtr StoreColors;
+
+ /* os layer procedures */
+ ScreenBlockHandlerProcPtr BlockHandler;
+
+ /* device cursor procedures */
+ DeviceCursorInitializeProcPtr DeviceCursorInitialize;
+ DeviceCursorCleanupProcPtr DeviceCursorCleanup;
+
+ xColorItem colors[2];
+ ColormapPtr pInstalledMap;
+ ColormapPtr pColormap;
+ VisualPtr pVisual;
+ DamagePtr pDamage; /* damage tracking structure */
+ Bool damageRegistered;
+ int numberOfCursors;
+} miSpriteScreenRec, *miSpriteScreenPtr;
+
+#define SOURCE_COLOR 0
+#define MASK_COLOR 1
+
+/*
+ * Overlap BoxPtr and Box elements
+ */
+#define BOX_OVERLAP(pCbox,X1,Y1,X2,Y2) \
+ (((pCbox)->x1 <= (X2)) && ((X1) <= (pCbox)->x2) && \
+ ((pCbox)->y1 <= (Y2)) && ((Y1) <= (pCbox)->y2))
+
+/*
+ * Overlap BoxPtr, origins, and rectangle
+ */
+#define ORG_OVERLAP(pCbox,xorg,yorg,x,y,w,h) \
+ BOX_OVERLAP((pCbox),(x)+(xorg),(y)+(yorg),(x)+(xorg)+(w),(y)+(yorg)+(h))
+
+/*
+ * Overlap BoxPtr, origins and RectPtr
+ */
+#define ORGRECT_OVERLAP(pCbox,xorg,yorg,pRect) \
+ ORG_OVERLAP((pCbox),(xorg),(yorg),(pRect)->x,(pRect)->y, \
+ (int)((pRect)->width), (int)((pRect)->height))
+/*
+ * Overlap BoxPtr and horizontal span
+ */
+#define SPN_OVERLAP(pCbox,y,x,w) BOX_OVERLAP((pCbox),(x),(y),(x)+(w),(y))
+
+#define LINE_SORT(x1,y1,x2,y2) \
+{ int _t; \
+ if (x1 > x2) { _t = x1; x1 = x2; x2 = _t; } \
+ if (y1 > y2) { _t = y1; y1 = y2; y2 = _t; } }
+
+#define LINE_OVERLAP(pCbox,x1,y1,x2,y2,lw2) \
+ BOX_OVERLAP((pCbox), (x1)-(lw2), (y1)-(lw2), (x2)+(lw2), (y2)+(lw2))
+
+
+#define SPRITE_DEBUG_ENABLE 0
+#if SPRITE_DEBUG_ENABLE
+#define SPRITE_DEBUG(x) ErrorF x
+#else
+#define SPRITE_DEBUG(x)
+#endif
+
+#define MISPRITE(dev) \
+ (IsFloating(dev) ? \
+ (miCursorInfoPtr)dixLookupPrivate(&dev->devPrivates, miSpriteDevPrivatesKey) : \
+ (miCursorInfoPtr)dixLookupPrivate(&(GetMaster(dev, MASTER_POINTER))->devPrivates, miSpriteDevPrivatesKey))
+
+static void
+miSpriteDisableDamage(ScreenPtr pScreen, miSpriteScreenPtr pScreenPriv)
+{
+ if (pScreenPriv->damageRegistered) {
+ DamageUnregister (&(pScreen->GetScreenPixmap(pScreen)->drawable),
+ pScreenPriv->pDamage);
+ pScreenPriv->damageRegistered = 0;
+ }
+}
+
+static void
+miSpriteEnableDamage(ScreenPtr pScreen, miSpriteScreenPtr pScreenPriv)
+{
+ if (!pScreenPriv->damageRegistered) {
+ pScreenPriv->damageRegistered = 1;
+ DamageRegister (&(pScreen->GetScreenPixmap(pScreen)->drawable),
+ pScreenPriv->pDamage);
+ }
+}
+
+static void
+miSpriteIsUp(miCursorInfoPtr pDevCursor)
+{
+ pDevCursor->isUp = TRUE;
+}
+
+static void
+miSpriteIsDown(miCursorInfoPtr pDevCursor)
+{
+ pDevCursor->isUp = FALSE;
+}
+
+/*
+ * screen wrappers
+ */
+
+static DevPrivateKeyRec miSpriteScreenKeyRec;
+#define miSpriteScreenKey (&miSpriteScreenKeyRec)
+#define GetSpriteScreen(pScreen) \
+ (dixLookupPrivate(&(pScreen)->devPrivates, miSpriteScreenKey))
+static DevPrivateKeyRec miSpriteDevPrivatesKeyRec;
+#define miSpriteDevPrivatesKey (&miSpriteDevPrivatesKeyRec)
+
+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,
+ unsigned int subWindowMode);
+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(DeviceIntPtr pDev,
+ ScreenPtr pScreen);
+
+static Bool miSpriteDeviceCursorInitialize(DeviceIntPtr pDev,
+ ScreenPtr pScreen);
+static void miSpriteDeviceCursorCleanup(DeviceIntPtr pDev,
+ ScreenPtr pScreen);
+
+#define SCREEN_PROLOGUE(pPriv, pScreen, field) ((pScreen)->field = \
+ (pPriv)->field)
+#define SCREEN_EPILOGUE(pPriv, pScreen, field)\
+ ((pPriv)->field = (pScreen)->field, (pScreen)->field = miSprite##field)
+
+/*
+ * pointer-sprite method table
+ */
+
+static Bool miSpriteRealizeCursor(DeviceIntPtr pDev, ScreenPtr pScreen,
+ CursorPtr pCursor);
+static Bool miSpriteUnrealizeCursor(DeviceIntPtr pDev, ScreenPtr pScreen,
+ CursorPtr pCursor);
+static void miSpriteSetCursor(DeviceIntPtr pDev, ScreenPtr pScreen,
+ CursorPtr pCursor, int x, int y);
+static void miSpriteMoveCursor(DeviceIntPtr pDev, ScreenPtr pScreen,
+ int x, int y);
+
+miPointerSpriteFuncRec miSpritePointerFuncs = {
+ miSpriteRealizeCursor,
+ miSpriteUnrealizeCursor,
+ miSpriteSetCursor,
+ miSpriteMoveCursor,
+ miSpriteDeviceCursorInitialize,
+ miSpriteDeviceCursorCleanup,
+};
+
+/*
+ * other misc functions
+ */
+
+static void miSpriteRemoveCursor(DeviceIntPtr pDev,
+ ScreenPtr pScreen);
+static void miSpriteSaveUnderCursor(DeviceIntPtr pDev,
+ ScreenPtr pScreen);
+static void miSpriteRestoreCursor(DeviceIntPtr pDev,
+ ScreenPtr pScreen);
+
+static void
+miSpriteRegisterBlockHandler(ScreenPtr pScreen, miSpriteScreenPtr pScreenPriv)
+{
+ if (!pScreenPriv->BlockHandler) {
+ pScreenPriv->BlockHandler = pScreen->BlockHandler;
+ pScreen->BlockHandler = miSpriteBlockHandler;
+ }
+}
+
+static void
+miSpriteReportDamage (DamagePtr pDamage, RegionPtr pRegion, void *closure)
+{
+ ScreenPtr pScreen = closure;
+ miCursorInfoPtr pCursorInfo;
+ DeviceIntPtr pDev;
+
+ for (pDev = inputInfo.devices; pDev; pDev = pDev->next)
+ {
+ if (DevHasCursor(pDev))
+ {
+ pCursorInfo = MISPRITE(pDev);
+
+ if (pCursorInfo->isUp &&
+ pCursorInfo->pScreen == pScreen &&
+ RegionContainsRect(pRegion, &pCursorInfo->saved) != rgnOUT)
+ {
+ SPRITE_DEBUG(("Damage remove\n"));
+ miSpriteRemoveCursor (pDev, pScreen);
+ }
+ }
+ }
+}
+
+/*
+ * miSpriteInitialize -- called from device-dependent screen
+ * initialization proc after all of the function pointers have
+ * been stored in the screen structure.
+ */
+
+Bool
+miSpriteInitialize (ScreenPtr pScreen,
+ miPointerScreenFuncPtr screenFuncs)
+{
+ miSpriteScreenPtr pScreenPriv;
+ VisualPtr pVisual;
+
+ if (!DamageSetup (pScreen))
+ return FALSE;
+
+ if (!dixRegisterPrivateKey(&miSpriteScreenKeyRec, PRIVATE_SCREEN, 0))
+ return FALSE;
+
+ if (!dixRegisterPrivateKey(&miSpriteDevPrivatesKeyRec, PRIVATE_DEVICE, 0))
+ return FALSE;
+
+ pScreenPriv = malloc(sizeof (miSpriteScreenRec));
+ if (!pScreenPriv)
+ return FALSE;
+
+ pScreenPriv->pDamage = DamageCreate (miSpriteReportDamage,
+ NULL,
+ DamageReportRawRegion,
+ TRUE,
+ pScreen,
+ pScreen);
+
+ if (!miPointerInitialize (pScreen, &miSpritePointerFuncs, screenFuncs,TRUE))
+ {
+ free(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 = NULL;
+
+ pScreenPriv->DeviceCursorInitialize = pScreen->DeviceCursorInitialize;
+ pScreenPriv->DeviceCursorCleanup = pScreen->DeviceCursorCleanup;
+
+ pScreenPriv->pInstalledMap = NULL;
+ pScreenPriv->pColormap = NULL;
+ 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;
+ pScreenPriv->damageRegistered = 0;
+ pScreenPriv->numberOfCursors = 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;
+
+ return TRUE;
+}
+
+/*
+ * Screen wrappers
+ */
+
+/*
+ * CloseScreen wrapper -- unwrap everything, free the private data
+ * and call the wrapped function
+ */
+
+static Bool
+miSpriteCloseScreen (int i, ScreenPtr pScreen)
+{
+ miSpriteScreenPtr pScreenPriv = GetSpriteScreen(pScreen);
+
+ pScreen->CloseScreen = pScreenPriv->CloseScreen;
+ pScreen->GetImage = pScreenPriv->GetImage;
+ pScreen->GetSpans = pScreenPriv->GetSpans;
+ pScreen->SourceValidate = pScreenPriv->SourceValidate;
+ pScreen->InstallColormap = pScreenPriv->InstallColormap;
+ pScreen->StoreColors = pScreenPriv->StoreColors;
+
+ DamageDestroy (pScreenPriv->pDamage);
+
+ free(pScreenPriv);
+
+ return (*pScreen->CloseScreen) (i, pScreen);
+}
+
+static void
+miSpriteGetImage (DrawablePtr pDrawable, int sx, int sy, int w, int h,
+ unsigned int format, unsigned long planemask,
+ char *pdstLine)
+{
+ ScreenPtr pScreen = pDrawable->pScreen;
+ DeviceIntPtr pDev;
+ miCursorInfoPtr pCursorInfo;
+ miSpriteScreenPtr pPriv = GetSpriteScreen(pScreen);
+
+ SCREEN_PROLOGUE (pPriv, pScreen, GetImage);
+
+ if (pDrawable->type == DRAWABLE_WINDOW)
+ {
+ for(pDev = inputInfo.devices; pDev; pDev = pDev->next)
+ {
+ if (DevHasCursor(pDev))
+ {
+ pCursorInfo = MISPRITE(pDev);
+ if (pCursorInfo->isUp && pCursorInfo->pScreen == pScreen &&
+ ORG_OVERLAP(&pCursorInfo->saved,pDrawable->x,pDrawable->y,
+ sx, sy, w, h))
+ {
+ SPRITE_DEBUG (("GetImage remove\n"));
+ miSpriteRemoveCursor (pDev, pScreen);
+ }
+ }
+ }
+ }
+
+ (*pScreen->GetImage) (pDrawable, sx, sy, w, h,
+ format, planemask, pdstLine);
+
+ SCREEN_EPILOGUE (pPriv, pScreen, GetImage);
+}
+
+static void
+miSpriteGetSpans (DrawablePtr pDrawable, int wMax, DDXPointPtr ppt,
+ int *pwidth, int nspans, char *pdstStart)
+{
+ ScreenPtr pScreen = pDrawable->pScreen;
+ DeviceIntPtr pDev;
+ miCursorInfoPtr pCursorInfo;
+ miSpriteScreenPtr pPriv = GetSpriteScreen(pScreen);
+
+ SCREEN_PROLOGUE (pPriv, pScreen, GetSpans);
+
+ if (pDrawable->type == DRAWABLE_WINDOW)
+ {
+ for(pDev = inputInfo.devices; pDev; pDev = pDev->next)
+ {
+ if (DevHasCursor(pDev))
+ {
+ pCursorInfo = MISPRITE(pDev);
+
+ if (pCursorInfo->isUp && pCursorInfo->pScreen == pScreen)
+ {
+ 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(&pCursorInfo->saved,pts->y+yorg,
+ pts->x+xorg,*widths))
+ {
+ SPRITE_DEBUG (("GetSpans remove\n"));
+ miSpriteRemoveCursor (pDev, pScreen);
+ break;
+ }
+ }
+ }
+ }
+ }
+ }
+
+ (*pScreen->GetSpans) (pDrawable, wMax, ppt, pwidth, nspans, pdstStart);
+
+ SCREEN_EPILOGUE (pPriv, pScreen, GetSpans);
+}
+
+static void
+miSpriteSourceValidate (DrawablePtr pDrawable, int x, int y, int width,
+ int height, unsigned int subWindowMode)
+{
+ ScreenPtr pScreen = pDrawable->pScreen;
+ DeviceIntPtr pDev;
+ miCursorInfoPtr pCursorInfo;
+ miSpriteScreenPtr pPriv = GetSpriteScreen(pScreen);
+
+ SCREEN_PROLOGUE (pPriv, pScreen, SourceValidate);
+
+ if (pDrawable->type == DRAWABLE_WINDOW)
+ {
+ for(pDev = inputInfo.devices; pDev; pDev = pDev->next)
+ {
+ if (DevHasCursor(pDev))
+ {
+ pCursorInfo = MISPRITE(pDev);
+ if (pCursorInfo && pCursorInfo->isUp && pCursorInfo->pScreen == pScreen &&
+ ORG_OVERLAP(&pCursorInfo->saved, pDrawable->x, pDrawable->y,
+ x, y, width, height))
+ {
+ SPRITE_DEBUG (("SourceValidate remove\n"));
+ miSpriteRemoveCursor (pDev, pScreen);
+ }
+ }
+ }
+ }
+
+ if (pScreen->SourceValidate)
+ (*pScreen->SourceValidate) (pDrawable, x, y, width, height, subWindowMode);
+
+ SCREEN_EPILOGUE (pPriv, pScreen, SourceValidate);
+}
+
+static void
+miSpriteCopyWindow (WindowPtr pWindow, DDXPointRec ptOldOrg, RegionPtr prgnSrc)
+{
+ ScreenPtr pScreen = pWindow->drawable.pScreen;
+ DeviceIntPtr pDev;
+ miCursorInfoPtr pCursorInfo;
+ miSpriteScreenPtr pPriv = GetSpriteScreen(pScreen);
+
+ SCREEN_PROLOGUE (pPriv, pScreen, CopyWindow);
+
+ for(pDev = inputInfo.devices; pDev; pDev = pDev->next)
+ {
+ if (DevHasCursor(pDev))
+ {
+ pCursorInfo = MISPRITE(pDev);
+ /*
+ * Damage will take care of destination check
+ */
+ if (pCursorInfo && pCursorInfo->isUp && pCursorInfo->pScreen == pScreen &&
+ RegionContainsRect(prgnSrc, &pCursorInfo->saved) != rgnOUT)
+ {
+ SPRITE_DEBUG (("CopyWindow remove\n"));
+ miSpriteRemoveCursor (pDev, pScreen);
+ }
+ }
+ }
+
+ (*pScreen->CopyWindow) (pWindow, ptOldOrg, prgnSrc);
+ SCREEN_EPILOGUE (pPriv, pScreen, CopyWindow);
+}
+
+static void
+miSpriteBlockHandler (int i, pointer blockData, pointer pTimeout,
+ pointer pReadmask)
+{
+ ScreenPtr pScreen = screenInfo.screens[i];
+ miSpriteScreenPtr pPriv = GetSpriteScreen(pScreen);
+ DeviceIntPtr pDev;
+ miCursorInfoPtr pCursorInfo;
+ Bool WorkToDo = FALSE;
+
+ for(pDev = inputInfo.devices; pDev; pDev = pDev->next)
+ {
+ if (DevHasCursor(pDev))
+ {
+ pCursorInfo = MISPRITE(pDev);
+ if (pCursorInfo && !pCursorInfo->isUp
+ && pCursorInfo->pScreen == pScreen
+ && pCursorInfo->shouldBeUp)
+ {
+ SPRITE_DEBUG (("BlockHandler save"));
+ miSpriteSaveUnderCursor (pDev, pScreen);
+ }
+ }
+ }
+ for(pDev = inputInfo.devices; pDev; pDev = pDev->next)
+ {
+ if (DevHasCursor(pDev))
+ {
+ pCursorInfo = MISPRITE(pDev);
+ if (pCursorInfo && !pCursorInfo->isUp &&
+ pCursorInfo->pScreen == pScreen &&
+ pCursorInfo->shouldBeUp)
+ {
+ SPRITE_DEBUG (("BlockHandler restore\n"));
+ miSpriteRestoreCursor (pDev, pScreen);
+ if (!pCursorInfo->isUp)
+ WorkToDo = TRUE;
+ }
+ }
+ }
+
+ SCREEN_PROLOGUE(pPriv, pScreen, BlockHandler);
+
+ (*pScreen->BlockHandler) (i, blockData, pTimeout, pReadmask);
+
+ if (WorkToDo)
+ SCREEN_EPILOGUE(pPriv, pScreen, BlockHandler);
+ else
+ pPriv->BlockHandler = NULL;
+}
+
+static void
+miSpriteInstallColormap (ColormapPtr pMap)
+{
+ ScreenPtr pScreen = pMap->pScreen;
+ miSpriteScreenPtr pPriv = GetSpriteScreen(pScreen);
+
+ SCREEN_PROLOGUE(pPriv, pScreen, InstallColormap);
+
+ (*pScreen->InstallColormap) (pMap);
+
+ SCREEN_EPILOGUE(pPriv, pScreen, InstallColormap);
+
+ /* InstallColormap can be called before devices are initialized. */
+ pPriv->pInstalledMap = pMap;
+ if (pPriv->pColormap != pMap)
+ {
+ DeviceIntPtr pDev;
+ miCursorInfoPtr pCursorInfo;
+ for (pDev = inputInfo.devices; pDev; pDev = pDev->next)
+ {
+ if (DevHasCursor(pDev))
+ {
+ pCursorInfo = MISPRITE(pDev);
+ if (pCursorInfo)
+ {
+ pCursorInfo->checkPixels = TRUE;
+ if (pCursorInfo->isUp && pCursorInfo->pScreen == pScreen)
+ miSpriteRemoveCursor(pDev, pScreen);
+ }
+ }
+ }
+
+ }
+}
+
+static void
+miSpriteStoreColors (ColormapPtr pMap, int ndef, xColorItem *pdef)
+{
+ ScreenPtr pScreen = pMap->pScreen;
+ miSpriteScreenPtr pPriv = GetSpriteScreen(pScreen);
+ int i;
+ int updated;
+ VisualPtr pVisual;
+ DeviceIntPtr pDev;
+ miCursorInfoPtr pCursorInfo;
+
+ SCREEN_PROLOGUE(pPriv, pScreen, StoreColors);
+
+ (*pScreen->StoreColors) (pMap, ndef, pdef);
+
+ SCREEN_EPILOGUE(pPriv, 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(dev, plane,dac,mask) {\
+ if (MaskMatch (dev->colors[plane].pixel,pdef[i].pixel,mask)) {\
+ dev->colors[plane].dac = pdef[i].dac; \
+ updated = 1; \
+ } \
+}
+
+#define CheckDirect(dev, plane) \
+ UpdateDAC(dev, plane,red,redMask) \
+ UpdateDAC(dev, plane,green,greenMask) \
+ UpdateDAC(dev, plane,blue,blueMask)
+
+ for (i = 0; i < ndef; i++)
+ {
+ CheckDirect (pPriv, SOURCE_COLOR)
+ CheckDirect (pPriv, 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)
+ {
+ for(pDev = inputInfo.devices; pDev; pDev = pDev->next)
+ {
+ if (DevHasCursor(pDev))
+ {
+ pCursorInfo = MISPRITE(pDev);
+ pCursorInfo->checkPixels = TRUE;
+ if (pCursorInfo->isUp && pCursorInfo->pScreen == pScreen)
+ miSpriteRemoveCursor (pDev, pScreen);
+ }
+ }
+ }
+ }
+}
+
+static void
+miSpriteFindColors (miCursorInfoPtr pDevCursor, ScreenPtr pScreen)
+{
+ miSpriteScreenPtr pScreenPriv = GetSpriteScreen(pScreen);
+ CursorPtr pCursor;
+ xColorItem *sourceColor, *maskColor;
+
+ pCursor = pDevCursor->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);
+ }
+
+ pDevCursor->checkPixels = FALSE;
+
+}
+
+/*
+ * miPointer interface routines
+ */
+
+#define SPRITE_PAD 8
+
+static Bool
+miSpriteRealizeCursor (DeviceIntPtr pDev, ScreenPtr pScreen, CursorPtr pCursor)
+{
+ miCursorInfoPtr pCursorInfo;
+
+ if (IsFloating(pDev))
+ return FALSE;
+
+ pCursorInfo = MISPRITE(pDev);
+
+ if (pCursor == pCursorInfo->pCursor)
+ pCursorInfo->checkPixels = TRUE;
+
+ return miDCRealizeCursor(pScreen, pCursor);
+}
+
+static Bool
+miSpriteUnrealizeCursor(DeviceIntPtr pDev, ScreenPtr pScreen, CursorPtr pCursor)
+{
+ return miDCUnrealizeCursor(pScreen, pCursor);
+}
+
+static void
+miSpriteSetCursor (DeviceIntPtr pDev, ScreenPtr pScreen,
+ CursorPtr pCursor, int x, int y)
+{
+ miCursorInfoPtr pPointer;
+ miSpriteScreenPtr pScreenPriv;
+
+ if (IsFloating(pDev))
+ return;
+
+ pPointer = MISPRITE(pDev);
+ pScreenPriv = GetSpriteScreen(pScreen);
+
+ if (!pCursor)
+ {
+ if (pPointer->shouldBeUp)
+ --pScreenPriv->numberOfCursors;
+ pPointer->shouldBeUp = FALSE;
+ if (pPointer->isUp)
+ miSpriteRemoveCursor (pDev, pScreen);
+ if (pScreenPriv->numberOfCursors == 0)
+ miSpriteDisableDamage(pScreen, pScreenPriv);
+ pPointer->pCursor = 0;
+ return;
+ }
+ if (!pPointer->shouldBeUp)
+ pScreenPriv->numberOfCursors++;
+ pPointer->shouldBeUp = TRUE;
+ if (!pPointer->isUp)
+ miSpriteRegisterBlockHandler(pScreen, pScreenPriv);
+ if (pPointer->x == x &&
+ pPointer->y == y &&
+ pPointer->pCursor == pCursor &&
+ !pPointer->checkPixels)
+ {
+ return;
+ }
+ pPointer->x = x;
+ pPointer->y = y;
+ pPointer->pCacheWin = NullWindow;
+ if (pPointer->checkPixels || pPointer->pCursor != pCursor)
+ {
+ pPointer->pCursor = pCursor;
+ miSpriteFindColors (pPointer, pScreen);
+ }
+ if (pPointer->isUp) {
+ /* TODO: reimplement flicker-free MoveCursor */
+ SPRITE_DEBUG (("SetCursor remove %d\n", pDev->id));
+ miSpriteRemoveCursor (pDev, pScreen);
+ }
+
+ if (!pPointer->isUp && pPointer->pCursor)
+ {
+ SPRITE_DEBUG (("SetCursor restore %d\n", pDev->id));
+ miSpriteSaveUnderCursor(pDev, pScreen);
+ miSpriteRestoreCursor (pDev, pScreen);
+ }
+
+}
+
+static void
+miSpriteMoveCursor (DeviceIntPtr pDev, ScreenPtr pScreen, int x, int y)
+{
+ CursorPtr pCursor;
+
+ if (IsFloating(pDev))
+ return;
+
+ pCursor = MISPRITE(pDev)->pCursor;
+
+ miSpriteSetCursor (pDev, pScreen, pCursor, x, y);
+}
+
+
+static Bool
+miSpriteDeviceCursorInitialize(DeviceIntPtr pDev, ScreenPtr pScreen)
+{
+ miCursorInfoPtr pCursorInfo;
+ int ret = FALSE;
+
+ pCursorInfo = malloc(sizeof(miCursorInfoRec));
+ if (!pCursorInfo)
+ return FALSE;
+
+ pCursorInfo->pCursor = NULL;
+ pCursorInfo->x = 0;
+ pCursorInfo->y = 0;
+ pCursorInfo->isUp = FALSE;
+ pCursorInfo->shouldBeUp = FALSE;
+ pCursorInfo->pCacheWin = NullWindow;
+ pCursorInfo->isInCacheWin = FALSE;
+ pCursorInfo->checkPixels = TRUE;
+ pCursorInfo->pScreen = FALSE;
+
+ ret = miDCDeviceInitialize(pDev, pScreen);
+ if (!ret)
+ {
+ free(pCursorInfo);
+ pCursorInfo = NULL;
+ }
+ dixSetPrivate(&pDev->devPrivates, miSpriteDevPrivatesKey, pCursorInfo);
+ return ret;
+}
+
+static void
+miSpriteDeviceCursorCleanup(DeviceIntPtr pDev, ScreenPtr pScreen)
+{
+ if (DevHasCursor(pDev))
+ miDCDeviceCleanup(pDev, pScreen);
+}
+
+/*
+ * undraw/draw cursor
+ */
+
+static void
+miSpriteRemoveCursor (DeviceIntPtr pDev, ScreenPtr pScreen)
+{
+ miSpriteScreenPtr pScreenPriv;
+ miCursorInfoPtr pCursorInfo;
+
+
+ if (IsFloating(pDev))
+ return;
+
+ DamageDrawInternal (pScreen, TRUE);
+ pScreenPriv = GetSpriteScreen(pScreen);
+ pCursorInfo = MISPRITE(pDev);
+
+ miSpriteIsDown(pCursorInfo);
+ miSpriteRegisterBlockHandler(pScreen, pScreenPriv);
+ pCursorInfo->pCacheWin = NullWindow;
+ miSpriteDisableDamage(pScreen, pScreenPriv);
+ if (!miDCRestoreUnderCursor(pDev,
+ pScreen,
+ pCursorInfo->saved.x1,
+ pCursorInfo->saved.y1,
+ pCursorInfo->saved.x2 -
+ pCursorInfo->saved.x1,
+ pCursorInfo->saved.y2 -
+ pCursorInfo->saved.y1))
+ {
+ miSpriteIsUp(pCursorInfo);
+ }
+ miSpriteEnableDamage(pScreen, pScreenPriv);
+ DamageDrawInternal (pScreen, FALSE);
+}
+
+/*
+ * Called from the block handler, saves area under cursor
+ * before waiting for something to do.
+ */
+
+static void
+miSpriteSaveUnderCursor(DeviceIntPtr pDev, ScreenPtr pScreen)
+{
+ miSpriteScreenPtr pScreenPriv;
+ int x, y;
+ CursorPtr pCursor;
+ miCursorInfoPtr pCursorInfo;
+
+ if (IsFloating(pDev))
+ return;
+
+ DamageDrawInternal (pScreen, TRUE);
+ pScreenPriv = GetSpriteScreen(pScreen);
+ pCursorInfo = MISPRITE(pDev);
+
+ miSpriteComputeSaved (pDev, pScreen);
+ pCursor = pCursorInfo->pCursor;
+
+ x = pCursorInfo->x - (int)pCursor->bits->xhot;
+ y = pCursorInfo->y - (int)pCursor->bits->yhot;
+ miSpriteDisableDamage(pScreen, pScreenPriv);
+
+ miDCSaveUnderCursor(pDev,
+ pScreen,
+ pCursorInfo->saved.x1,
+ pCursorInfo->saved.y1,
+ pCursorInfo->saved.x2 -
+ pCursorInfo->saved.x1,
+ pCursorInfo->saved.y2 -
+ pCursorInfo->saved.y1);
+ SPRITE_DEBUG(("SaveUnderCursor %d\n", pDev->id));
+ miSpriteEnableDamage(pScreen, pScreenPriv);
+ DamageDrawInternal (pScreen, FALSE);
+}
+
+
+/*
+ * Called from the block handler, restores the cursor
+ * before waiting for something to do.
+ */
+
+static void
+miSpriteRestoreCursor (DeviceIntPtr pDev, ScreenPtr pScreen)
+{
+ miSpriteScreenPtr pScreenPriv;
+ int x, y;
+ CursorPtr pCursor;
+ miCursorInfoPtr pCursorInfo;
+
+ if (IsFloating(pDev))
+ return;
+
+ DamageDrawInternal (pScreen, TRUE);
+ pScreenPriv = GetSpriteScreen(pScreen);
+ pCursorInfo = MISPRITE(pDev);
+
+ miSpriteComputeSaved (pDev, pScreen);
+ pCursor = pCursorInfo->pCursor;
+
+ x = pCursorInfo->x - (int)pCursor->bits->xhot;
+ y = pCursorInfo->y - (int)pCursor->bits->yhot;
+ miSpriteDisableDamage(pScreen, pScreenPriv);
+ SPRITE_DEBUG(("RestoreCursor %d\n", pDev->id));
+ if (pCursorInfo->checkPixels)
+ miSpriteFindColors (pCursorInfo, pScreen);
+ if (miDCPutUpCursor(pDev, pScreen,
+ pCursor, x, y,
+ pScreenPriv->colors[SOURCE_COLOR].pixel,
+ pScreenPriv->colors[MASK_COLOR].pixel))
+ {
+ miSpriteIsUp(pCursorInfo);
+ pCursorInfo->pScreen = pScreen;
+ }
+ miSpriteEnableDamage(pScreen, pScreenPriv);
+ DamageDrawInternal (pScreen, FALSE);
+}
+
+/*
+ * compute the desired area of the screen to save
+ */
+
+static void
+miSpriteComputeSaved (DeviceIntPtr pDev, ScreenPtr pScreen)
+{
+ int x, y, w, h;
+ int wpad, hpad;
+ CursorPtr pCursor;
+ miCursorInfoPtr pCursorInfo;
+
+ if (IsFloating(pDev))
+ return;
+
+ pCursorInfo = MISPRITE(pDev);
+
+ pCursor = pCursorInfo->pCursor;
+ x = pCursorInfo->x - (int)pCursor->bits->xhot;
+ y = pCursorInfo->y - (int)pCursor->bits->yhot;
+ w = pCursor->bits->width;
+ h = pCursor->bits->height;
+ wpad = SPRITE_PAD;
+ hpad = SPRITE_PAD;
+ pCursorInfo->saved.x1 = x - wpad;
+ pCursorInfo->saved.y1 = y - hpad;
+ pCursorInfo->saved.x2 = pCursorInfo->saved.x1 + w + wpad * 2;
+ pCursorInfo->saved.y2 = pCursorInfo->saved.y1 + h + hpad * 2;
+}
+
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-18 07:45:48 +0000