diff options
Diffstat (limited to 'xorg-server/render/animcur.c')
| -rw-r--r-- | xorg-server/render/animcur.c | 837 |
1 files changed, 420 insertions, 417 deletions
diff --git a/xorg-server/render/animcur.c b/xorg-server/render/animcur.c index fddd9f81b..8d4a9c2ef 100644 --- a/xorg-server/render/animcur.c +++ b/xorg-server/render/animcur.c @@ -1,417 +1,420 @@ -/*
- *
- * Copyright © 2002 Keith Packard, member of The XFree86 Project, Inc.
- *
- * 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, and that the name of Keith Packard not be used in
- * advertising or publicity pertaining to distribution of the software without
- * specific, written prior permission. Keith Packard makes no
- * representations about the suitability of this software for any purpose. It
- * is provided "as is" without express or implied warranty.
- *
- * KEITH PACKARD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
- * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
- * EVENT SHALL KEITH PACKARD BE LIABLE FOR ANY SPECIAL, INDIRECT OR
- * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
- * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
- * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
- * PERFORMANCE OF THIS SOFTWARE.
- */
-
-/*
- * Animated cursors for X. Not specific to Render in any way, but
- * stuck there because Render has the other cool cursor extension.
- * Besides, everyone has Render.
- *
- * Implemented as a simple layer over the core cursor code; it
- * creates composite cursors out of a set of static cursors and
- * delta times between each image.
- */
-
-#ifdef HAVE_DIX_CONFIG_H
-#include <dix-config.h>
-#endif
-
-#include <X11/X.h>
-#include <X11/Xmd.h>
-#include "servermd.h"
-#include "scrnintstr.h"
-#include "dixstruct.h"
-#include "cursorstr.h"
-#include "dixfontstr.h"
-#include "opaque.h"
-#include "picturestr.h"
-#include "inputstr.h"
-#include "xace.h"
-
-typedef struct _AnimCurElt {
- CursorPtr pCursor; /* cursor to show */
- CARD32 delay; /* in ms */
-} AnimCurElt;
-
-typedef struct _AnimCur {
- int nelt; /* number of elements in the elts array */
- AnimCurElt *elts; /* actually allocated right after the structure */
-} AnimCurRec, *AnimCurPtr;
-
-typedef struct _AnimScrPriv {
- CloseScreenProcPtr CloseScreen;
-
- ScreenBlockHandlerProcPtr BlockHandler;
-
- CursorLimitsProcPtr CursorLimits;
- DisplayCursorProcPtr DisplayCursor;
- SetCursorPositionProcPtr SetCursorPosition;
- RealizeCursorProcPtr RealizeCursor;
- UnrealizeCursorProcPtr UnrealizeCursor;
- RecolorCursorProcPtr RecolorCursor;
-} AnimCurScreenRec, *AnimCurScreenPtr;
-
-static unsigned char empty[4];
-
-static CursorBits animCursorBits = {
- empty, empty, 2, 1, 1, 0, 0, 1
-};
-
-static DevPrivateKeyRec AnimCurScreenPrivateKeyRec;
-#define AnimCurScreenPrivateKey (&AnimCurScreenPrivateKeyRec)
-
-#define IsAnimCur(c) ((c) && ((c)->bits == &animCursorBits))
-#define GetAnimCur(c) ((AnimCurPtr) ((((char *)(c) + CURSOR_REC_SIZE))))
-#define GetAnimCurScreen(s) ((AnimCurScreenPtr)dixLookupPrivate(&(s)->devPrivates, AnimCurScreenPrivateKey))
-#define SetAnimCurScreen(s,p) dixSetPrivate(&(s)->devPrivates, AnimCurScreenPrivateKey, p)
-
-#define Wrap(as,s,elt,func) (((as)->elt = (s)->elt), (s)->elt = func)
-#define Unwrap(as,s,elt) ((s)->elt = (as)->elt)
-
-
-static Bool
-AnimCurCloseScreen (int index, ScreenPtr pScreen)
-{
- AnimCurScreenPtr as = GetAnimCurScreen(pScreen);
- Bool ret;
-
- Unwrap(as, pScreen, CloseScreen);
-
- Unwrap(as, pScreen, CursorLimits);
- Unwrap(as, pScreen, DisplayCursor);
- Unwrap(as, pScreen, SetCursorPosition);
- Unwrap(as, pScreen, RealizeCursor);
- Unwrap(as, pScreen, UnrealizeCursor);
- Unwrap(as, pScreen, RecolorCursor);
- SetAnimCurScreen(pScreen,0);
- ret = (*pScreen->CloseScreen) (index, pScreen);
- free(as);
- return ret;
-}
-
-static void
-AnimCurCursorLimits (DeviceIntPtr pDev,
- ScreenPtr pScreen,
- CursorPtr pCursor,
- BoxPtr pHotBox,
- BoxPtr pTopLeftBox)
-{
- AnimCurScreenPtr as = GetAnimCurScreen(pScreen);
-
- Unwrap (as, pScreen, CursorLimits);
- if (IsAnimCur(pCursor))
- {
- AnimCurPtr ac = GetAnimCur(pCursor);
-
- (*pScreen->CursorLimits) (pDev, pScreen, ac->elts[0].pCursor,
- pHotBox, pTopLeftBox);
- }
- else
- {
- (*pScreen->CursorLimits) (pDev, pScreen, pCursor,
- pHotBox, pTopLeftBox);
- }
- Wrap (as, pScreen, CursorLimits, AnimCurCursorLimits);
-}
-
-/*
- * This has to be a screen block handler instead of a generic
- * block handler so that it is well ordered with respect to the DRI
- * block handler responsible for releasing the hardware to DRI clients
- */
-
-static void
-AnimCurScreenBlockHandler (int screenNum,
- pointer blockData,
- pointer pTimeout,
- pointer pReadmask)
-{
- ScreenPtr pScreen = screenInfo.screens[screenNum];
- AnimCurScreenPtr as = GetAnimCurScreen(pScreen);
- DeviceIntPtr dev;
- Bool activeDevice = FALSE;
- CARD32 now = 0,
- soonest = ~0; /* earliest time to wakeup again */
-
- for (dev = inputInfo.devices; dev; dev = dev->next)
- {
- if (IsPointerDevice(dev) && pScreen == dev->spriteInfo->anim.pScreen)
- {
- if (!activeDevice) {
- now = GetTimeInMillis ();
- activeDevice = TRUE;
- }
-
- if ((INT32) (now - dev->spriteInfo->anim.time) >= 0)
- {
- AnimCurPtr ac = GetAnimCur(dev->spriteInfo->anim.pCursor);
- int elt = (dev->spriteInfo->anim.elt + 1) % ac->nelt;
- DisplayCursorProcPtr DisplayCursor;
-
- /*
- * Not a simple Unwrap/Wrap as this
- * isn't called along the DisplayCursor
- * wrapper chain.
- */
- DisplayCursor = pScreen->DisplayCursor;
- pScreen->DisplayCursor = as->DisplayCursor;
- (void) (*pScreen->DisplayCursor) (dev,
- pScreen,
- ac->elts[elt].pCursor);
- as->DisplayCursor = pScreen->DisplayCursor;
- pScreen->DisplayCursor = DisplayCursor;
-
- dev->spriteInfo->anim.elt = elt;
- dev->spriteInfo->anim.time = now + ac->elts[elt].delay;
- }
-
- if (soonest > dev->spriteInfo->anim.time)
- soonest = dev->spriteInfo->anim.time;
- }
- }
-
- if (activeDevice)
- AdjustWaitForDelay (pTimeout, soonest - now);
-
- Unwrap (as, pScreen, BlockHandler);
- (*pScreen->BlockHandler) (screenNum, blockData, pTimeout, pReadmask);
- if (activeDevice)
- Wrap (as, pScreen, BlockHandler, AnimCurScreenBlockHandler);
- else
- as->BlockHandler = NULL;
-}
-
-static Bool
-AnimCurDisplayCursor (DeviceIntPtr pDev,
- ScreenPtr pScreen,
- CursorPtr pCursor)
-{
- AnimCurScreenPtr as = GetAnimCurScreen(pScreen);
- Bool ret;
-
- Unwrap (as, pScreen, DisplayCursor);
- if (IsAnimCur(pCursor))
- {
- if (pCursor != pDev->spriteInfo->anim.pCursor)
- {
- AnimCurPtr ac = GetAnimCur(pCursor);
-
- ret = (*pScreen->DisplayCursor)
- (pDev, pScreen, ac->elts[0].pCursor);
- if (ret)
- {
- pDev->spriteInfo->anim.elt = 0;
- pDev->spriteInfo->anim.time = GetTimeInMillis () + ac->elts[0].delay;
- pDev->spriteInfo->anim.pCursor = pCursor;
- pDev->spriteInfo->anim.pScreen = pScreen;
-
- if (!as->BlockHandler)
- Wrap(as, pScreen, BlockHandler, AnimCurScreenBlockHandler);
- }
- }
- else
- ret = TRUE;
- }
- else
- {
- pDev->spriteInfo->anim.pCursor = 0;
- pDev->spriteInfo->anim.pScreen = 0;
- ret = (*pScreen->DisplayCursor) (pDev, pScreen, pCursor);
- }
- Wrap (as, pScreen, DisplayCursor, AnimCurDisplayCursor);
- return ret;
-}
-
-static Bool
-AnimCurSetCursorPosition (DeviceIntPtr pDev,
- ScreenPtr pScreen,
- int x,
- int y,
- Bool generateEvent)
-{
- AnimCurScreenPtr as = GetAnimCurScreen(pScreen);
- Bool ret;
-
- Unwrap (as, pScreen, SetCursorPosition);
- if (pDev->spriteInfo->anim.pCursor) {
- pDev->spriteInfo->anim.pScreen = pScreen;
-
- if (!as->BlockHandler)
- Wrap(as, pScreen, BlockHandler, AnimCurScreenBlockHandler);
- }
- ret = (*pScreen->SetCursorPosition) (pDev, pScreen, x, y, generateEvent);
- Wrap (as, pScreen, SetCursorPosition, AnimCurSetCursorPosition);
- return ret;
-}
-
-static Bool
-AnimCurRealizeCursor (DeviceIntPtr pDev,
- ScreenPtr pScreen,
- CursorPtr pCursor)
-{
- AnimCurScreenPtr as = GetAnimCurScreen(pScreen);
- Bool ret;
-
- Unwrap (as, pScreen, RealizeCursor);
- if (IsAnimCur(pCursor))
- ret = TRUE;
- else
- ret = (*pScreen->RealizeCursor) (pDev, pScreen, pCursor);
- Wrap (as, pScreen, RealizeCursor, AnimCurRealizeCursor);
- return ret;
-}
-
-static Bool
-AnimCurUnrealizeCursor (DeviceIntPtr pDev,
- ScreenPtr pScreen,
- CursorPtr pCursor)
-{
- AnimCurScreenPtr as = GetAnimCurScreen(pScreen);
- Bool ret;
-
- Unwrap (as, pScreen, UnrealizeCursor);
- if (IsAnimCur(pCursor))
- {
- AnimCurPtr ac = GetAnimCur(pCursor);
- int i;
-
- if (pScreen->myNum == 0)
- for (i = 0; i < ac->nelt; i++)
- FreeCursor (ac->elts[i].pCursor, 0);
- ret = TRUE;
- }
- else
- ret = (*pScreen->UnrealizeCursor) (pDev, pScreen, pCursor);
- Wrap (as, pScreen, UnrealizeCursor, AnimCurUnrealizeCursor);
- return ret;
-}
-
-static void
-AnimCurRecolorCursor (DeviceIntPtr pDev,
- ScreenPtr pScreen,
- CursorPtr pCursor,
- Bool displayed)
-{
- AnimCurScreenPtr as = GetAnimCurScreen(pScreen);
-
- Unwrap (as, pScreen, RecolorCursor);
- if (IsAnimCur(pCursor))
- {
- AnimCurPtr ac = GetAnimCur(pCursor);
- int i;
-
- for (i = 0; i < ac->nelt; i++)
- (*pScreen->RecolorCursor) (pDev, pScreen, ac->elts[i].pCursor,
- displayed &&
- pDev->spriteInfo->anim.elt == i);
- }
- else
- (*pScreen->RecolorCursor) (pDev, pScreen, pCursor, displayed);
- Wrap (as, pScreen, RecolorCursor, AnimCurRecolorCursor);
-}
-
-Bool
-AnimCurInit (ScreenPtr pScreen)
-{
- AnimCurScreenPtr as;
-
- if (!dixRegisterPrivateKey(&AnimCurScreenPrivateKeyRec, PRIVATE_SCREEN, 0))
- return FALSE;
-
- as = (AnimCurScreenPtr) malloc(sizeof (AnimCurScreenRec));
- if (!as)
- return FALSE;
- Wrap(as, pScreen, CloseScreen, AnimCurCloseScreen);
-
- as->BlockHandler = NULL;
-
- Wrap(as, pScreen, CursorLimits, AnimCurCursorLimits);
- Wrap(as, pScreen, DisplayCursor, AnimCurDisplayCursor);
- Wrap(as, pScreen, SetCursorPosition, AnimCurSetCursorPosition);
- Wrap(as, pScreen, RealizeCursor, AnimCurRealizeCursor);
- Wrap(as, pScreen, UnrealizeCursor, AnimCurUnrealizeCursor);
- Wrap(as, pScreen, RecolorCursor, AnimCurRecolorCursor);
- SetAnimCurScreen(pScreen,as);
- return TRUE;
-}
-
-int
-AnimCursorCreate (CursorPtr *cursors, CARD32 *deltas, int ncursor, CursorPtr *ppCursor, ClientPtr client, XID cid)
-{
- CursorPtr pCursor;
- int rc, i;
- AnimCurPtr ac;
-
- for (i = 0; i < screenInfo.numScreens; i++)
- if (!GetAnimCurScreen (screenInfo.screens[i]))
- return BadImplementation;
-
- for (i = 0; i < ncursor; i++)
- if (IsAnimCur (cursors[i]))
- return BadMatch;
-
- pCursor = (CursorPtr) calloc(CURSOR_REC_SIZE +
- sizeof (AnimCurRec) +
- ncursor * sizeof (AnimCurElt), 1);
- if (!pCursor)
- return BadAlloc;
- dixInitPrivates(pCursor, pCursor + 1, PRIVATE_CURSOR);
- pCursor->bits = &animCursorBits;
- pCursor->refcnt = 1;
-
- pCursor->foreRed = cursors[0]->foreRed;
- pCursor->foreGreen = cursors[0]->foreGreen;
- pCursor->foreBlue = cursors[0]->foreBlue;
-
- pCursor->backRed = cursors[0]->backRed;
- pCursor->backGreen = cursors[0]->backGreen;
- pCursor->backBlue = cursors[0]->backBlue;
-
- pCursor->id = cid;
-
- /* security creation/labeling check */
- rc = XaceHook(XACE_RESOURCE_ACCESS, client, cid, RT_CURSOR, pCursor,
- RT_NONE, NULL, DixCreateAccess);
- if (rc != Success) {
- dixFiniPrivates(pCursor, PRIVATE_CURSOR);
- free(pCursor);
- return rc;
- }
-
- /*
- * Fill in the AnimCurRec
- */
- animCursorBits.refcnt++;
- ac = GetAnimCur (pCursor);
- ac->nelt = ncursor;
- ac->elts = (AnimCurElt *) (ac + 1);
-
- for (i = 0; i < ncursor; i++)
- {
- cursors[i]->refcnt++;
- ac->elts[i].pCursor = cursors[i];
- ac->elts[i].delay = deltas[i];
- }
-
- *ppCursor = pCursor;
- return Success;
-}
+/* + * + * Copyright © 2002 Keith Packard, member of The XFree86 Project, Inc. + * + * 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, and that the name of Keith Packard not be used in + * advertising or publicity pertaining to distribution of the software without + * specific, written prior permission. Keith Packard makes no + * representations about the suitability of this software for any purpose. It + * is provided "as is" without express or implied warranty. + * + * KEITH PACKARD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, + * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO + * EVENT SHALL KEITH PACKARD BE LIABLE FOR ANY SPECIAL, INDIRECT OR + * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, + * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER + * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR + * PERFORMANCE OF THIS SOFTWARE. + */ + +/* + * Animated cursors for X. Not specific to Render in any way, but + * stuck there because Render has the other cool cursor extension. + * Besides, everyone has Render. + * + * Implemented as a simple layer over the core cursor code; it + * creates composite cursors out of a set of static cursors and + * delta times between each image. + */ + +#ifdef HAVE_DIX_CONFIG_H +#include <dix-config.h> +#endif + +#include <X11/X.h> +#include <X11/Xmd.h> +#include "servermd.h" +#include "scrnintstr.h" +#include "dixstruct.h" +#include "cursorstr.h" +#include "dixfontstr.h" +#include "opaque.h" +#include "picturestr.h" +#include "inputstr.h" +#include "xace.h" + +typedef struct _AnimCurElt { + CursorPtr pCursor; /* cursor to show */ + CARD32 delay; /* in ms */ +} AnimCurElt; + +typedef struct _AnimCur { + int nelt; /* number of elements in the elts array */ + AnimCurElt *elts; /* actually allocated right after the structure */ +} AnimCurRec, *AnimCurPtr; + +typedef struct _AnimScrPriv { + CloseScreenProcPtr CloseScreen; + + ScreenBlockHandlerProcPtr BlockHandler; + + CursorLimitsProcPtr CursorLimits; + DisplayCursorProcPtr DisplayCursor; + SetCursorPositionProcPtr SetCursorPosition; + RealizeCursorProcPtr RealizeCursor; + UnrealizeCursorProcPtr UnrealizeCursor; + RecolorCursorProcPtr RecolorCursor; +} AnimCurScreenRec, *AnimCurScreenPtr; + +static unsigned char empty[4]; + +static CursorBits animCursorBits = { + empty, empty, 2, 1, 1, 0, 0, 1 +}; + +static DevPrivateKeyRec AnimCurScreenPrivateKeyRec; +#define AnimCurScreenPrivateKey (&AnimCurScreenPrivateKeyRec) + +#define IsAnimCur(c) ((c) && ((c)->bits == &animCursorBits)) +#define GetAnimCur(c) ((AnimCurPtr) ((((char *)(c) + CURSOR_REC_SIZE)))) +#define GetAnimCurScreen(s) ((AnimCurScreenPtr)dixLookupPrivate(&(s)->devPrivates, AnimCurScreenPrivateKey)) +#define SetAnimCurScreen(s,p) dixSetPrivate(&(s)->devPrivates, AnimCurScreenPrivateKey, p) + +#define Wrap(as,s,elt,func) (((as)->elt = (s)->elt), (s)->elt = func) +#define Unwrap(as,s,elt) ((s)->elt = (as)->elt) + + +static Bool +AnimCurCloseScreen (int index, ScreenPtr pScreen) +{ + AnimCurScreenPtr as = GetAnimCurScreen(pScreen); + Bool ret; + + Unwrap(as, pScreen, CloseScreen); + + Unwrap(as, pScreen, CursorLimits); + Unwrap(as, pScreen, DisplayCursor); + Unwrap(as, pScreen, SetCursorPosition); + Unwrap(as, pScreen, RealizeCursor); + Unwrap(as, pScreen, UnrealizeCursor); + Unwrap(as, pScreen, RecolorCursor); + SetAnimCurScreen(pScreen,0); + ret = (*pScreen->CloseScreen) (index, pScreen); + free(as); + return ret; +} + +static void +AnimCurCursorLimits (DeviceIntPtr pDev, + ScreenPtr pScreen, + CursorPtr pCursor, + BoxPtr pHotBox, + BoxPtr pTopLeftBox) +{ + AnimCurScreenPtr as = GetAnimCurScreen(pScreen); + + Unwrap (as, pScreen, CursorLimits); + if (IsAnimCur(pCursor)) + { + AnimCurPtr ac = GetAnimCur(pCursor); + + (*pScreen->CursorLimits) (pDev, pScreen, ac->elts[0].pCursor, + pHotBox, pTopLeftBox); + } + else + { + (*pScreen->CursorLimits) (pDev, pScreen, pCursor, + pHotBox, pTopLeftBox); + } + Wrap (as, pScreen, CursorLimits, AnimCurCursorLimits); +} + +/* + * This has to be a screen block handler instead of a generic + * block handler so that it is well ordered with respect to the DRI + * block handler responsible for releasing the hardware to DRI clients + */ + +static void +AnimCurScreenBlockHandler (int screenNum, + pointer blockData, + pointer pTimeout, + pointer pReadmask) +{ + ScreenPtr pScreen = screenInfo.screens[screenNum]; + AnimCurScreenPtr as = GetAnimCurScreen(pScreen); + DeviceIntPtr dev; + Bool activeDevice = FALSE; + CARD32 now = 0, + soonest = ~0; /* earliest time to wakeup again */ + + for (dev = inputInfo.devices; dev; dev = dev->next) + { + if (IsPointerDevice(dev) && pScreen == dev->spriteInfo->anim.pScreen) + { + if (!activeDevice) { + now = GetTimeInMillis (); + activeDevice = TRUE; + } + + if ((INT32) (now - dev->spriteInfo->anim.time) >= 0) + { + AnimCurPtr ac = GetAnimCur(dev->spriteInfo->anim.pCursor); + int elt = (dev->spriteInfo->anim.elt + 1) % ac->nelt; + DisplayCursorProcPtr DisplayCursor; + + /* + * Not a simple Unwrap/Wrap as this + * isn't called along the DisplayCursor + * wrapper chain. + */ + DisplayCursor = pScreen->DisplayCursor; + pScreen->DisplayCursor = as->DisplayCursor; + (void) (*pScreen->DisplayCursor) (dev, + pScreen, + ac->elts[elt].pCursor); + as->DisplayCursor = pScreen->DisplayCursor; + pScreen->DisplayCursor = DisplayCursor; + + dev->spriteInfo->anim.elt = elt; + dev->spriteInfo->anim.time = now + ac->elts[elt].delay; + } + + if (soonest > dev->spriteInfo->anim.time) + soonest = dev->spriteInfo->anim.time; + } + } + + if (activeDevice) + AdjustWaitForDelay (pTimeout, soonest - now); + + Unwrap (as, pScreen, BlockHandler); + (*pScreen->BlockHandler) (screenNum, blockData, pTimeout, pReadmask); + if (activeDevice) + Wrap (as, pScreen, BlockHandler, AnimCurScreenBlockHandler); + else + as->BlockHandler = NULL; +} + +static Bool +AnimCurDisplayCursor (DeviceIntPtr pDev, + ScreenPtr pScreen, + CursorPtr pCursor) +{ + AnimCurScreenPtr as = GetAnimCurScreen(pScreen); + Bool ret; + + if (IsFloating(pDev)) + return FALSE; + + Unwrap (as, pScreen, DisplayCursor); + if (IsAnimCur(pCursor)) + { + if (pCursor != pDev->spriteInfo->anim.pCursor) + { + AnimCurPtr ac = GetAnimCur(pCursor); + + ret = (*pScreen->DisplayCursor) + (pDev, pScreen, ac->elts[0].pCursor); + if (ret) + { + pDev->spriteInfo->anim.elt = 0; + pDev->spriteInfo->anim.time = GetTimeInMillis () + ac->elts[0].delay; + pDev->spriteInfo->anim.pCursor = pCursor; + pDev->spriteInfo->anim.pScreen = pScreen; + + if (!as->BlockHandler) + Wrap(as, pScreen, BlockHandler, AnimCurScreenBlockHandler); + } + } + else + ret = TRUE; + } + else + { + pDev->spriteInfo->anim.pCursor = 0; + pDev->spriteInfo->anim.pScreen = 0; + ret = (*pScreen->DisplayCursor) (pDev, pScreen, pCursor); + } + Wrap (as, pScreen, DisplayCursor, AnimCurDisplayCursor); + return ret; +} + +static Bool +AnimCurSetCursorPosition (DeviceIntPtr pDev, + ScreenPtr pScreen, + int x, + int y, + Bool generateEvent) +{ + AnimCurScreenPtr as = GetAnimCurScreen(pScreen); + Bool ret; + + Unwrap (as, pScreen, SetCursorPosition); + if (pDev->spriteInfo->anim.pCursor) { + pDev->spriteInfo->anim.pScreen = pScreen; + + if (!as->BlockHandler) + Wrap(as, pScreen, BlockHandler, AnimCurScreenBlockHandler); + } + ret = (*pScreen->SetCursorPosition) (pDev, pScreen, x, y, generateEvent); + Wrap (as, pScreen, SetCursorPosition, AnimCurSetCursorPosition); + return ret; +} + +static Bool +AnimCurRealizeCursor (DeviceIntPtr pDev, + ScreenPtr pScreen, + CursorPtr pCursor) +{ + AnimCurScreenPtr as = GetAnimCurScreen(pScreen); + Bool ret; + + Unwrap (as, pScreen, RealizeCursor); + if (IsAnimCur(pCursor)) + ret = TRUE; + else + ret = (*pScreen->RealizeCursor) (pDev, pScreen, pCursor); + Wrap (as, pScreen, RealizeCursor, AnimCurRealizeCursor); + return ret; +} + +static Bool +AnimCurUnrealizeCursor (DeviceIntPtr pDev, + ScreenPtr pScreen, + CursorPtr pCursor) +{ + AnimCurScreenPtr as = GetAnimCurScreen(pScreen); + Bool ret; + + Unwrap (as, pScreen, UnrealizeCursor); + if (IsAnimCur(pCursor)) + { + AnimCurPtr ac = GetAnimCur(pCursor); + int i; + + if (pScreen->myNum == 0) + for (i = 0; i < ac->nelt; i++) + FreeCursor (ac->elts[i].pCursor, 0); + ret = TRUE; + } + else + ret = (*pScreen->UnrealizeCursor) (pDev, pScreen, pCursor); + Wrap (as, pScreen, UnrealizeCursor, AnimCurUnrealizeCursor); + return ret; +} + +static void +AnimCurRecolorCursor (DeviceIntPtr pDev, + ScreenPtr pScreen, + CursorPtr pCursor, + Bool displayed) +{ + AnimCurScreenPtr as = GetAnimCurScreen(pScreen); + + Unwrap (as, pScreen, RecolorCursor); + if (IsAnimCur(pCursor)) + { + AnimCurPtr ac = GetAnimCur(pCursor); + int i; + + for (i = 0; i < ac->nelt; i++) + (*pScreen->RecolorCursor) (pDev, pScreen, ac->elts[i].pCursor, + displayed && + pDev->spriteInfo->anim.elt == i); + } + else + (*pScreen->RecolorCursor) (pDev, pScreen, pCursor, displayed); + Wrap (as, pScreen, RecolorCursor, AnimCurRecolorCursor); +} + +Bool +AnimCurInit (ScreenPtr pScreen) +{ + AnimCurScreenPtr as; + + if (!dixRegisterPrivateKey(&AnimCurScreenPrivateKeyRec, PRIVATE_SCREEN, 0)) + return FALSE; + + as = (AnimCurScreenPtr) malloc(sizeof (AnimCurScreenRec)); + if (!as) + return FALSE; + Wrap(as, pScreen, CloseScreen, AnimCurCloseScreen); + + as->BlockHandler = NULL; + + Wrap(as, pScreen, CursorLimits, AnimCurCursorLimits); + Wrap(as, pScreen, DisplayCursor, AnimCurDisplayCursor); + Wrap(as, pScreen, SetCursorPosition, AnimCurSetCursorPosition); + Wrap(as, pScreen, RealizeCursor, AnimCurRealizeCursor); + Wrap(as, pScreen, UnrealizeCursor, AnimCurUnrealizeCursor); + Wrap(as, pScreen, RecolorCursor, AnimCurRecolorCursor); + SetAnimCurScreen(pScreen,as); + return TRUE; +} + +int +AnimCursorCreate (CursorPtr *cursors, CARD32 *deltas, int ncursor, CursorPtr *ppCursor, ClientPtr client, XID cid) +{ + CursorPtr pCursor; + int rc, i; + AnimCurPtr ac; + + for (i = 0; i < screenInfo.numScreens; i++) + if (!GetAnimCurScreen (screenInfo.screens[i])) + return BadImplementation; + + for (i = 0; i < ncursor; i++) + if (IsAnimCur (cursors[i])) + return BadMatch; + + pCursor = (CursorPtr) calloc(CURSOR_REC_SIZE + + sizeof (AnimCurRec) + + ncursor * sizeof (AnimCurElt), 1); + if (!pCursor) + return BadAlloc; + dixInitPrivates(pCursor, pCursor + 1, PRIVATE_CURSOR); + pCursor->bits = &animCursorBits; + pCursor->refcnt = 1; + + pCursor->foreRed = cursors[0]->foreRed; + pCursor->foreGreen = cursors[0]->foreGreen; + pCursor->foreBlue = cursors[0]->foreBlue; + + pCursor->backRed = cursors[0]->backRed; + pCursor->backGreen = cursors[0]->backGreen; + pCursor->backBlue = cursors[0]->backBlue; + + pCursor->id = cid; + + /* security creation/labeling check */ + rc = XaceHook(XACE_RESOURCE_ACCESS, client, cid, RT_CURSOR, pCursor, + RT_NONE, NULL, DixCreateAccess); + if (rc != Success) { + dixFiniPrivates(pCursor, PRIVATE_CURSOR); + free(pCursor); + return rc; + } + + /* + * Fill in the AnimCurRec + */ + animCursorBits.refcnt++; + ac = GetAnimCur (pCursor); + ac->nelt = ncursor; + ac->elts = (AnimCurElt *) (ac + 1); + + for (i = 0; i < ncursor; i++) + { + cursors[i]->refcnt++; + ac->elts[i].pCursor = cursors[i]; + ac->elts[i].delay = deltas[i]; + } + + *ppCursor = pCursor; + return Success; +} |