4017d31902
over to new system. Need to update documentation and address some remaining vestiges of old system such as CursorRec structure, fb "offman" structure, and FontRec privates.
397 lines
11 KiB
C
397 lines
11 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"
|
|
|
|
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 {
|
|
CursorPtr pCursor;
|
|
int elt;
|
|
CARD32 time;
|
|
|
|
CloseScreenProcPtr CloseScreen;
|
|
|
|
ScreenBlockHandlerProcPtr BlockHandler;
|
|
|
|
CursorLimitsProcPtr CursorLimits;
|
|
DisplayCursorProcPtr DisplayCursor;
|
|
SetCursorPositionProcPtr SetCursorPosition;
|
|
RealizeCursorProcPtr RealizeCursor;
|
|
UnrealizeCursorProcPtr UnrealizeCursor;
|
|
RecolorCursorProcPtr RecolorCursor;
|
|
} AnimCurScreenRec, *AnimCurScreenPtr;
|
|
|
|
typedef struct _AnimCurState {
|
|
CursorPtr pCursor;
|
|
ScreenPtr pScreen;
|
|
int elt;
|
|
CARD32 time;
|
|
} AnimCurStateRec, *AnimCurStatePtr;
|
|
|
|
static AnimCurStateRec animCurState;
|
|
|
|
static unsigned char empty[4];
|
|
|
|
static CursorBits animCursorBits = {
|
|
empty, empty, 2, 1, 1, 0, 0, 1
|
|
};
|
|
|
|
static int AnimCurGeneration;
|
|
static DevPrivateKey AnimCurScreenPrivateKey = &AnimCurScreenPrivateKey;
|
|
|
|
#define IsAnimCur(c) ((c)->bits == &animCursorBits)
|
|
#define GetAnimCur(c) ((AnimCurPtr) ((c) + 1))
|
|
#define GetAnimCurScreen(s) ((AnimCurScreenPtr)dixLookupPrivate(&(s)->devPrivates, AnimCurScreenPrivateKey))
|
|
#define GetAnimCurScreenIfSet(s) GetAnimCurScreen(s)
|
|
#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
|
|
AnimCurDisplayCursor (ScreenPtr pScreen,
|
|
CursorPtr pCursor);
|
|
|
|
static Bool
|
|
AnimCurSetCursorPosition (ScreenPtr pScreen,
|
|
int x,
|
|
int y,
|
|
Bool generateEvent);
|
|
|
|
static Bool
|
|
AnimCurCloseScreen (int index, ScreenPtr pScreen)
|
|
{
|
|
AnimCurScreenPtr as = GetAnimCurScreen(pScreen);
|
|
Bool ret;
|
|
|
|
Unwrap(as, pScreen, CloseScreen);
|
|
|
|
Unwrap(as, pScreen, BlockHandler);
|
|
|
|
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);
|
|
xfree (as);
|
|
return ret;
|
|
}
|
|
|
|
static void
|
|
AnimCurCursorLimits (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) (pScreen, ac->elts[0].pCursor, pHotBox, pTopLeftBox);
|
|
}
|
|
else
|
|
{
|
|
(*pScreen->CursorLimits) (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);
|
|
|
|
if (pScreen == animCurState.pScreen)
|
|
{
|
|
CARD32 now = GetTimeInMillis ();
|
|
|
|
if ((INT32) (now - animCurState.time) >= 0)
|
|
{
|
|
AnimCurPtr ac = GetAnimCur(animCurState.pCursor);
|
|
int elt = (animCurState.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) (pScreen, ac->elts[elt].pCursor);
|
|
as->DisplayCursor = pScreen->DisplayCursor;
|
|
pScreen->DisplayCursor = DisplayCursor;
|
|
|
|
animCurState.elt = elt;
|
|
animCurState.time = now + ac->elts[elt].delay;
|
|
}
|
|
AdjustWaitForDelay (pTimeout, animCurState.time - now);
|
|
}
|
|
Unwrap (as, pScreen, BlockHandler);
|
|
(*pScreen->BlockHandler) (screenNum, blockData, pTimeout, pReadmask);
|
|
Wrap (as, pScreen, BlockHandler, AnimCurScreenBlockHandler);
|
|
}
|
|
|
|
static Bool
|
|
AnimCurDisplayCursor (ScreenPtr pScreen,
|
|
CursorPtr pCursor)
|
|
{
|
|
AnimCurScreenPtr as = GetAnimCurScreen(pScreen);
|
|
Bool ret;
|
|
|
|
Unwrap (as, pScreen, DisplayCursor);
|
|
if (IsAnimCur(pCursor))
|
|
{
|
|
if (pCursor != animCurState.pCursor)
|
|
{
|
|
AnimCurPtr ac = GetAnimCur(pCursor);
|
|
|
|
ret = (*pScreen->DisplayCursor) (pScreen, ac->elts[0].pCursor);
|
|
if (ret)
|
|
{
|
|
animCurState.elt = 0;
|
|
animCurState.time = GetTimeInMillis () + ac->elts[0].delay;
|
|
animCurState.pCursor = pCursor;
|
|
animCurState.pScreen = pScreen;
|
|
}
|
|
}
|
|
else
|
|
ret = TRUE;
|
|
}
|
|
else
|
|
{
|
|
animCurState.pCursor = 0;
|
|
animCurState.pScreen = 0;
|
|
ret = (*pScreen->DisplayCursor) (pScreen, pCursor);
|
|
}
|
|
Wrap (as, pScreen, DisplayCursor, AnimCurDisplayCursor);
|
|
return ret;
|
|
}
|
|
|
|
static Bool
|
|
AnimCurSetCursorPosition (ScreenPtr pScreen,
|
|
int x,
|
|
int y,
|
|
Bool generateEvent)
|
|
{
|
|
AnimCurScreenPtr as = GetAnimCurScreen(pScreen);
|
|
Bool ret;
|
|
|
|
Unwrap (as, pScreen, SetCursorPosition);
|
|
if (animCurState.pCursor)
|
|
animCurState.pScreen = pScreen;
|
|
ret = (*pScreen->SetCursorPosition) (pScreen, x, y, generateEvent);
|
|
Wrap (as, pScreen, SetCursorPosition, AnimCurSetCursorPosition);
|
|
return ret;
|
|
}
|
|
|
|
static Bool
|
|
AnimCurRealizeCursor (ScreenPtr pScreen,
|
|
CursorPtr pCursor)
|
|
{
|
|
AnimCurScreenPtr as = GetAnimCurScreen(pScreen);
|
|
Bool ret;
|
|
|
|
Unwrap (as, pScreen, RealizeCursor);
|
|
if (IsAnimCur(pCursor))
|
|
ret = TRUE;
|
|
else
|
|
ret = (*pScreen->RealizeCursor) (pScreen, pCursor);
|
|
Wrap (as, pScreen, RealizeCursor, AnimCurRealizeCursor);
|
|
return ret;
|
|
}
|
|
|
|
static Bool
|
|
AnimCurUnrealizeCursor (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) (pScreen, pCursor);
|
|
Wrap (as, pScreen, UnrealizeCursor, AnimCurUnrealizeCursor);
|
|
return ret;
|
|
}
|
|
|
|
static void
|
|
AnimCurRecolorCursor (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) (pScreen, ac->elts[i].pCursor,
|
|
displayed &&
|
|
animCurState.elt == i);
|
|
}
|
|
else
|
|
(*pScreen->RecolorCursor) (pScreen, pCursor, displayed);
|
|
Wrap (as, pScreen, RecolorCursor, AnimCurRecolorCursor);
|
|
}
|
|
|
|
Bool
|
|
AnimCurInit (ScreenPtr pScreen)
|
|
{
|
|
AnimCurScreenPtr as;
|
|
|
|
if (AnimCurGeneration != serverGeneration)
|
|
{
|
|
AnimCurGeneration = serverGeneration;
|
|
animCurState.pCursor = 0;
|
|
animCurState.pScreen = 0;
|
|
animCurState.elt = 0;
|
|
animCurState.time = 0;
|
|
}
|
|
as = (AnimCurScreenPtr) xalloc (sizeof (AnimCurScreenRec));
|
|
if (!as)
|
|
return FALSE;
|
|
Wrap(as, pScreen, CloseScreen, AnimCurCloseScreen);
|
|
|
|
Wrap(as, pScreen, BlockHandler, AnimCurScreenBlockHandler);
|
|
|
|
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)
|
|
{
|
|
CursorPtr pCursor;
|
|
int i;
|
|
AnimCurPtr ac;
|
|
|
|
for (i = 0; i < screenInfo.numScreens; i++)
|
|
if (!GetAnimCurScreenIfSet (screenInfo.screens[i]))
|
|
return BadImplementation;
|
|
|
|
for (i = 0; i < ncursor; i++)
|
|
if (IsAnimCur (cursors[i]))
|
|
return BadMatch;
|
|
|
|
pCursor = (CursorPtr) xalloc (sizeof (CursorRec) +
|
|
sizeof (AnimCurRec) +
|
|
ncursor * sizeof (AnimCurElt));
|
|
if (!pCursor)
|
|
return BadAlloc;
|
|
pCursor->bits = &animCursorBits;
|
|
animCursorBits.refcnt++;
|
|
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;
|
|
|
|
/*
|
|
* Fill in the AnimCurRec
|
|
*/
|
|
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;
|
|
}
|