421 lines
12 KiB
C
421 lines
12 KiB
C
/*
|
|
*
|
|
* 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;
|
|
}
|