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/*
* midispcur.c
*
* machine independent cursor display 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 "misc.h"
# include "input.h"
# include "cursorstr.h"
# include "windowstr.h"
# include "regionstr.h"
# include "dixstruct.h"
# include "scrnintstr.h"
# include "servermd.h"
# include "mipointer.h"
# include "misprite.h"
# include "gcstruct.h"
#ifdef ARGB_CURSOR
# include "picturestr.h"
#endif
/* per-screen private data */
static int miDCScreenIndex;
static unsigned long miDCGeneration = 0;
static Bool miDCCloseScreen(int index, ScreenPtr pScreen);
typedef struct {
GCPtr pSourceGC, pMaskGC;
GCPtr pSaveGC, pRestoreGC;
GCPtr pMoveGC;
GCPtr pPixSourceGC, pPixMaskGC;
CloseScreenProcPtr CloseScreen;
PixmapPtr pSave, pTemp;
#ifdef ARGB_CURSOR
PicturePtr pRootPicture;
PicturePtr pTempPicture;
#endif
} miDCScreenRec, *miDCScreenPtr;
/* per-cursor per-screen private data */
typedef struct {
PixmapPtr sourceBits; /* source bits */
PixmapPtr maskBits; /* mask bits */
#ifdef ARGB_CURSOR
PicturePtr pPicture;
#endif
} miDCCursorRec, *miDCCursorPtr;
/*
* sprite/cursor method table
*/
static Bool miDCRealizeCursor(ScreenPtr pScreen, CursorPtr pCursor);
static Bool miDCUnrealizeCursor(ScreenPtr pScreen, CursorPtr pCursor);
static Bool miDCPutUpCursor(ScreenPtr pScreen, CursorPtr pCursor,
int x, int y, unsigned long source,
unsigned long mask);
static Bool miDCSaveUnderCursor(ScreenPtr pScreen, int x, int y,
int w, int h);
static Bool miDCRestoreUnderCursor(ScreenPtr pScreen, int x, int y,
int w, int h);
static Bool miDCMoveCursor(ScreenPtr pScreen, CursorPtr pCursor,
int x, int y, int w, int h, int dx, int dy,
unsigned long source, unsigned long mask);
static Bool miDCChangeSave(ScreenPtr pScreen, int x, int y, int w, int h,
int dx, int dy);
static const miSpriteCursorFuncRec miDCFuncs = {
miDCRealizeCursor,
miDCUnrealizeCursor,
miDCPutUpCursor,
miDCSaveUnderCursor,
miDCRestoreUnderCursor,
miDCMoveCursor,
miDCChangeSave,
};
_X_EXPORT Bool
miDCInitialize (pScreen, screenFuncs)
ScreenPtr pScreen;
miPointerScreenFuncRec * screenFuncs;
{
miDCScreenPtr pScreenPriv;
if (miDCGeneration != serverGeneration)
{
miDCScreenIndex = AllocateScreenPrivateIndex ();
if (miDCScreenIndex < 0)
return FALSE;
miDCGeneration = serverGeneration;
}
pScreenPriv = malloc(sizeof (miDCScreenRec));
if (!pScreenPriv)
return FALSE;
/*
* initialize the entire private structure to zeros
*/
pScreenPriv->pSourceGC =
pScreenPriv->pMaskGC =
pScreenPriv->pSaveGC =
pScreenPriv->pRestoreGC =
pScreenPriv->pMoveGC =
pScreenPriv->pPixSourceGC =
pScreenPriv->pPixMaskGC = NULL;
#ifdef ARGB_CURSOR
pScreenPriv->pRootPicture = NULL;
pScreenPriv->pTempPicture = NULL;
#endif
pScreenPriv->pSave = pScreenPriv->pTemp = NULL;
pScreenPriv->CloseScreen = pScreen->CloseScreen;
pScreen->CloseScreen = miDCCloseScreen;
pScreen->devPrivates[miDCScreenIndex].ptr = (pointer) pScreenPriv;
if (!miSpriteInitialize (pScreen, &miDCFuncs, screenFuncs))
{
free((pointer) pScreenPriv);
return FALSE;
}
return TRUE;
}
#define tossGC(gc) (gc ? FreeGC (gc, (GContext) 0) : 0)
#define tossPix(pix) (pix ? (*pScreen->DestroyPixmap) (pix) : TRUE)
#define tossPict(pict) (pict ? FreePicture (pict, 0) : 0)
static Bool
miDCCloseScreen (index, pScreen)
int index;
ScreenPtr pScreen;
{
miDCScreenPtr pScreenPriv;
pScreenPriv = (miDCScreenPtr) pScreen->devPrivates[miDCScreenIndex].ptr;
pScreen->CloseScreen = pScreenPriv->CloseScreen;
tossGC (pScreenPriv->pSourceGC);
tossGC (pScreenPriv->pMaskGC);
tossGC (pScreenPriv->pSaveGC);
tossGC (pScreenPriv->pRestoreGC);
tossGC (pScreenPriv->pMoveGC);
tossGC (pScreenPriv->pPixSourceGC);
tossGC (pScreenPriv->pPixMaskGC);
tossPix (pScreenPriv->pSave);
tossPix (pScreenPriv->pTemp);
#ifdef ARGB_CURSOR
#if 0 /* This has been free()d before */
tossPict (pScreenPriv->pRootPicture);
#endif
tossPict (pScreenPriv->pTempPicture);
#endif
free((pointer) pScreenPriv);
return (*pScreen->CloseScreen) (index, pScreen);
}
static Bool
miDCRealizeCursor (pScreen, pCursor)
ScreenPtr pScreen;
CursorPtr pCursor;
{
if (pCursor->bits->refcnt <= 1)
pCursor->bits->devPriv[pScreen->myNum] = (pointer)NULL;
return TRUE;
}
#ifdef ARGB_CURSOR
#define EnsurePicture(picture,draw,win) (picture || miDCMakePicture(&picture,draw,win))
static VisualPtr
miDCGetWindowVisual (WindowPtr pWin)
{
ScreenPtr pScreen = pWin->drawable.pScreen;
VisualID vid = wVisual (pWin);
int i;
for (i = 0; i < pScreen->numVisuals; i++)
if (pScreen->visuals[i].vid == vid)
return &pScreen->visuals[i];
return 0;
}
static PicturePtr
miDCMakePicture (PicturePtr *ppPicture, DrawablePtr pDraw, WindowPtr pWin)
{
ScreenPtr pScreen = pDraw->pScreen;
VisualPtr pVisual;
PictFormatPtr pFormat;
XID subwindow_mode = IncludeInferiors;
PicturePtr pPicture;
int error;
pVisual = miDCGetWindowVisual (pWin);
if (!pVisual)
return 0;
pFormat = PictureMatchVisual (pScreen, pDraw->depth, pVisual);
if (!pFormat)
return 0;
pPicture = CreatePicture (0, pDraw, pFormat,
CPSubwindowMode, &subwindow_mode,
serverClient, &error);
*ppPicture = pPicture;
return pPicture;
}
#endif
static miDCCursorPtr
miDCRealize (
ScreenPtr pScreen,
CursorPtr pCursor)
{
miDCCursorPtr pPriv;
GCPtr pGC;
XID gcvals[3];
pPriv = malloc(sizeof (miDCCursorRec));
if (!pPriv)
return (miDCCursorPtr)NULL;
#ifdef ARGB_CURSOR
if (pCursor->bits->argb)
{
PixmapPtr pPixmap;
PictFormatPtr pFormat;
int error;
pFormat = PictureMatchFormat (pScreen, 32, PICT_a8r8g8b8);
if (!pFormat)
{
free((pointer) pPriv);
return (miDCCursorPtr)NULL;
}
pPriv->sourceBits = 0;
pPriv->maskBits = 0;
pPixmap = (*pScreen->CreatePixmap) (pScreen, pCursor->bits->width,
pCursor->bits->height, 32);
if (!pPixmap)
{
free((pointer) pPriv);
return (miDCCursorPtr)NULL;
}
pGC = GetScratchGC (32, pScreen);
if (!pGC)
{
(*pScreen->DestroyPixmap) (pPixmap);
free((pointer) pPriv);
return (miDCCursorPtr)NULL;
}
ValidateGC (&pPixmap->drawable, pGC);
(*pGC->ops->PutImage) (&pPixmap->drawable, pGC, 32,
0, 0, pCursor->bits->width,
pCursor->bits->height,
0, ZPixmap, (char *) pCursor->bits->argb);
FreeScratchGC (pGC);
pPriv->pPicture = CreatePicture (0, &pPixmap->drawable,
pFormat, 0, 0, serverClient, &error);
(*pScreen->DestroyPixmap) (pPixmap);
if (!pPriv->pPicture)
{
free((pointer) pPriv);
return (miDCCursorPtr)NULL;
}
pCursor->bits->devPriv[pScreen->myNum] = (pointer) pPriv;
return pPriv;
}
pPriv->pPicture = 0;
#endif
pPriv->sourceBits = (*pScreen->CreatePixmap) (pScreen, pCursor->bits->width, pCursor->bits->height, 1);
if (!pPriv->sourceBits)
{
free((pointer) pPriv);
return (miDCCursorPtr)NULL;
}
pPriv->maskBits = (*pScreen->CreatePixmap) (pScreen, pCursor->bits->width, pCursor->bits->height, 1);
if (!pPriv->maskBits)
{
(*pScreen->DestroyPixmap) (pPriv->sourceBits);
free((pointer) pPriv);
return (miDCCursorPtr)NULL;
}
pCursor->bits->devPriv[pScreen->myNum] = (pointer) pPriv;
/* create the two sets of bits, clipping as appropriate */
pGC = GetScratchGC (1, pScreen);
if (!pGC)
{
(void) miDCUnrealizeCursor (pScreen, pCursor);
return (miDCCursorPtr)NULL;
}
ValidateGC ((DrawablePtr)pPriv->sourceBits, pGC);
(*pGC->ops->PutImage) ((DrawablePtr)pPriv->sourceBits, pGC, 1,
0, 0, pCursor->bits->width, pCursor->bits->height,
0, XYPixmap, (char *)pCursor->bits->source);
gcvals[0] = GXand;
ChangeGC (pGC, GCFunction, gcvals);
ValidateGC ((DrawablePtr)pPriv->sourceBits, pGC);
(*pGC->ops->PutImage) ((DrawablePtr)pPriv->sourceBits, pGC, 1,
0, 0, pCursor->bits->width, pCursor->bits->height,
0, XYPixmap, (char *)pCursor->bits->mask);
/* mask bits -- pCursor->mask & ~pCursor->source */
gcvals[0] = GXcopy;
ChangeGC (pGC, GCFunction, gcvals);
ValidateGC ((DrawablePtr)pPriv->maskBits, pGC);
(*pGC->ops->PutImage) ((DrawablePtr)pPriv->maskBits, pGC, 1,
0, 0, pCursor->bits->width, pCursor->bits->height,
0, XYPixmap, (char *)pCursor->bits->mask);
gcvals[0] = GXandInverted;
ChangeGC (pGC, GCFunction, gcvals);
ValidateGC ((DrawablePtr)pPriv->maskBits, pGC);
(*pGC->ops->PutImage) ((DrawablePtr)pPriv->maskBits, pGC, 1,
0, 0, pCursor->bits->width, pCursor->bits->height,
0, XYPixmap, (char *)pCursor->bits->source);
FreeScratchGC (pGC);
return pPriv;
}
static Bool
miDCUnrealizeCursor (pScreen, pCursor)
ScreenPtr pScreen;
CursorPtr pCursor;
{
miDCCursorPtr pPriv;
pPriv = (miDCCursorPtr) pCursor->bits->devPriv[pScreen->myNum];
if (pPriv && (pCursor->bits->refcnt <= 1))
{
if (pPriv->sourceBits)
(*pScreen->DestroyPixmap) (pPriv->sourceBits);
if (pPriv->maskBits)
(*pScreen->DestroyPixmap) (pPriv->maskBits);
#ifdef ARGB_CURSOR
if (pPriv->pPicture)
FreePicture (pPriv->pPicture, 0);
#endif
free((pointer) pPriv);
pCursor->bits->devPriv[pScreen->myNum] = (pointer)NULL;
}
return TRUE;
}
static void
miDCPutBits (
DrawablePtr pDrawable,
miDCCursorPtr pPriv,
GCPtr sourceGC,
GCPtr maskGC,
int x_org,
int y_org,
unsigned w,
unsigned h,
unsigned long source,
unsigned long mask)
{
XID gcvals[1];
int x, y;
if (sourceGC->fgPixel != source)
{
gcvals[0] = source;
DoChangeGC (sourceGC, GCForeground, gcvals, 0);
}
if (sourceGC->serialNumber != pDrawable->serialNumber)
ValidateGC (pDrawable, sourceGC);
if(sourceGC->miTranslate)
{
x = pDrawable->x + x_org;
y = pDrawable->y + y_org;
}
else
{
x = x_org;
y = y_org;
}
(*sourceGC->ops->PushPixels) (sourceGC, pPriv->sourceBits, pDrawable, w, h, x, y);
if (maskGC->fgPixel != mask)
{
gcvals[0] = mask;
DoChangeGC (maskGC, GCForeground, gcvals, 0);
}
if (maskGC->serialNumber != pDrawable->serialNumber)
ValidateGC (pDrawable, maskGC);
if(maskGC->miTranslate)
{
x = pDrawable->x + x_org;
y = pDrawable->y + y_org;
}
else
{
x = x_org;
y = y_org;
}
(*maskGC->ops->PushPixels) (maskGC, pPriv->maskBits, pDrawable, w, h, x, y);
}
#define EnsureGC(gc,win) (gc || miDCMakeGC(&gc, win))
static GCPtr
miDCMakeGC(
GCPtr *ppGC,
WindowPtr pWin)
{
GCPtr pGC;
int status;
XID gcvals[2];
gcvals[0] = IncludeInferiors;
gcvals[1] = FALSE;
pGC = CreateGC((DrawablePtr)pWin,
GCSubwindowMode|GCGraphicsExposures, gcvals, &status);
*ppGC = pGC;
return pGC;
}
static Bool
miDCPutUpCursor (pScreen, pCursor, x, y, source, mask)
ScreenPtr pScreen;
CursorPtr pCursor;
int x, y;
unsigned long source, mask;
{
miDCScreenPtr pScreenPriv;
miDCCursorPtr pPriv;
WindowPtr pWin;
pPriv = (miDCCursorPtr) pCursor->bits->devPriv[pScreen->myNum];
if (!pPriv)
{
pPriv = miDCRealize(pScreen, pCursor);
if (!pPriv)
return FALSE;
}
pScreenPriv = (miDCScreenPtr) pScreen->devPrivates[miDCScreenIndex].ptr;
pWin = WindowTable[pScreen->myNum];
#ifdef ARGB_CURSOR
if (pPriv->pPicture)
{
if (!EnsurePicture(pScreenPriv->pRootPicture, &pWin->drawable, pWin))
return FALSE;
CompositePicture (PictOpOver,
pPriv->pPicture,
NULL,
pScreenPriv->pRootPicture,
0, 0, 0, 0,
x, y,
pCursor->bits->width,
pCursor->bits->height);
}
else
#endif
{
if (!EnsureGC(pScreenPriv->pSourceGC, pWin))
return FALSE;
if (!EnsureGC(pScreenPriv->pMaskGC, pWin))
{
FreeGC (pScreenPriv->pSourceGC, (GContext) 0);
pScreenPriv->pSourceGC = 0;
return FALSE;
}
miDCPutBits ((DrawablePtr)pWin, pPriv,
pScreenPriv->pSourceGC, pScreenPriv->pMaskGC,
x, y, pCursor->bits->width, pCursor->bits->height,
source, mask);
}
return TRUE;
}
static Bool
miDCSaveUnderCursor (pScreen, x, y, w, h)
ScreenPtr pScreen;
int x, y, w, h;
{
miDCScreenPtr pScreenPriv;
PixmapPtr pSave;
WindowPtr pWin;
GCPtr pGC;
pScreenPriv = (miDCScreenPtr) pScreen->devPrivates[miDCScreenIndex].ptr;
pSave = pScreenPriv->pSave;
pWin = WindowTable[pScreen->myNum];
if (!pSave || pSave->drawable.width < w || pSave->drawable.height < h)
{
if (pSave)
(*pScreen->DestroyPixmap) (pSave);
pScreenPriv->pSave = pSave =
(*pScreen->CreatePixmap) (pScreen, w, h, pScreen->rootDepth);
if (!pSave)
return FALSE;
}
if (!EnsureGC(pScreenPriv->pSaveGC, pWin))
return FALSE;
pGC = pScreenPriv->pSaveGC;
if (pSave->drawable.serialNumber != pGC->serialNumber)
ValidateGC ((DrawablePtr) pSave, pGC);
(*pGC->ops->CopyArea) ((DrawablePtr) pWin, (DrawablePtr) pSave, pGC,
x, y, w, h, 0, 0);
return TRUE;
}
static Bool
miDCRestoreUnderCursor (pScreen, x, y, w, h)
ScreenPtr pScreen;
int x, y, w, h;
{
miDCScreenPtr pScreenPriv;
PixmapPtr pSave;
WindowPtr pWin;
GCPtr pGC;
pScreenPriv = (miDCScreenPtr) pScreen->devPrivates[miDCScreenIndex].ptr;
pSave = pScreenPriv->pSave;
pWin = WindowTable[pScreen->myNum];
if (!pSave)
return FALSE;
if (!EnsureGC(pScreenPriv->pRestoreGC, pWin))
return FALSE;
pGC = pScreenPriv->pRestoreGC;
if (pWin->drawable.serialNumber != pGC->serialNumber)
ValidateGC ((DrawablePtr) pWin, pGC);
(*pGC->ops->CopyArea) ((DrawablePtr) pSave, (DrawablePtr) pWin, pGC,
0, 0, w, h, x, y);
return TRUE;
}
static Bool
miDCChangeSave (pScreen, x, y, w, h, dx, dy)
ScreenPtr pScreen;
int x, y, w, h, dx, dy;
{
miDCScreenPtr pScreenPriv;
PixmapPtr pSave;
WindowPtr pWin;
GCPtr pGC;
int sourcex, sourcey, destx, desty, copyw, copyh;
pScreenPriv = (miDCScreenPtr) pScreen->devPrivates[miDCScreenIndex].ptr;
pSave = pScreenPriv->pSave;
pWin = WindowTable[pScreen->myNum];
/*
* restore the bits which are about to get trashed
*/
if (!pSave)
return FALSE;
if (!EnsureGC(pScreenPriv->pRestoreGC, pWin))
return FALSE;
pGC = pScreenPriv->pRestoreGC;
if (pWin->drawable.serialNumber != pGC->serialNumber)
ValidateGC ((DrawablePtr) pWin, pGC);
/*
* copy the old bits to the screen.
*/
if (dy > 0)
{
(*pGC->ops->CopyArea) ((DrawablePtr) pSave, (DrawablePtr) pWin, pGC,
0, h - dy, w, dy, x + dx, y + h);
}
else if (dy < 0)
{
(*pGC->ops->CopyArea) ((DrawablePtr) pSave, (DrawablePtr) pWin, pGC,
0, 0, w, -dy, x + dx, y + dy);
}
if (dy >= 0)
{
desty = y + dy;
sourcey = 0;
copyh = h - dy;
}
else
{
desty = y;
sourcey = - dy;
copyh = h + dy;
}
if (dx > 0)
{
(*pGC->ops->CopyArea) ((DrawablePtr) pSave, (DrawablePtr) pWin, pGC,
w - dx, sourcey, dx, copyh, x + w, desty);
}
else if (dx < 0)
{
(*pGC->ops->CopyArea) ((DrawablePtr) pSave, (DrawablePtr) pWin, pGC,
0, sourcey, -dx, copyh, x + dx, desty);
}
if (!EnsureGC(pScreenPriv->pSaveGC, pWin))
return FALSE;
pGC = pScreenPriv->pSaveGC;
if (pSave->drawable.serialNumber != pGC->serialNumber)
ValidateGC ((DrawablePtr) pSave, pGC);
/*
* move the bits that are still valid within the pixmap
*/
if (dx >= 0)
{
sourcex = 0;
destx = dx;
copyw = w - dx;
}
else
{
destx = 0;
sourcex = - dx;
copyw = w + dx;
}
if (dy >= 0)
{
sourcey = 0;
desty = dy;
copyh = h - dy;
}
else
{
desty = 0;
sourcey = -dy;
copyh = h + dy;
}
(*pGC->ops->CopyArea) ((DrawablePtr) pSave, (DrawablePtr) pSave, pGC,
sourcex, sourcey, copyw, copyh, destx, desty);
/*
* copy the new bits from the screen into the remaining areas of the
* pixmap
*/
if (dy > 0)
{
(*pGC->ops->CopyArea) ((DrawablePtr) pWin, (DrawablePtr) pSave, pGC,
x, y, w, dy, 0, 0);
}
else if (dy < 0)
{
(*pGC->ops->CopyArea) ((DrawablePtr) pWin, (DrawablePtr) pSave, pGC,
x, y + h + dy, w, -dy, 0, h + dy);
}
if (dy >= 0)
{
desty = dy;
sourcey = y + dy;
copyh = h - dy;
}
else
{
desty = 0;
sourcey = y;
copyh = h + dy;
}
if (dx > 0)
{
(*pGC->ops->CopyArea) ((DrawablePtr) pWin, (DrawablePtr) pSave, pGC,
x, sourcey, dx, copyh, 0, desty);
}
else if (dx < 0)
{
(*pGC->ops->CopyArea) ((DrawablePtr) pWin, (DrawablePtr) pSave, pGC,
x + w + dx, sourcey, -dx, copyh, w + dx, desty);
}
return TRUE;
}
static Bool
miDCMoveCursor (pScreen, pCursor, x, y, w, h, dx, dy, source, mask)
ScreenPtr pScreen;
CursorPtr pCursor;
int x, y, w, h, dx, dy;
unsigned long source, mask;
{
miDCCursorPtr pPriv;
miDCScreenPtr pScreenPriv;
int status;
WindowPtr pWin;
GCPtr pGC;
XID gcval = FALSE;
PixmapPtr pTemp;
pPriv = (miDCCursorPtr) pCursor->bits->devPriv[pScreen->myNum];
if (!pPriv)
{
pPriv = miDCRealize(pScreen, pCursor);
if (!pPriv)
return FALSE;
}
pScreenPriv = (miDCScreenPtr) pScreen->devPrivates[miDCScreenIndex].ptr;
pWin = WindowTable[pScreen->myNum];
pTemp = pScreenPriv->pTemp;
if (!pTemp ||
pTemp->drawable.width != pScreenPriv->pSave->drawable.width ||
pTemp->drawable.height != pScreenPriv->pSave->drawable.height)
{
if (pTemp)
(*pScreen->DestroyPixmap) (pTemp);
#ifdef ARGB_CURSOR
if (pScreenPriv->pTempPicture)
{
FreePicture (pScreenPriv->pTempPicture, 0);
pScreenPriv->pTempPicture = 0;
}
#endif
pScreenPriv->pTemp = pTemp = (*pScreen->CreatePixmap)
(pScreen, w, h, pScreenPriv->pSave->drawable.depth);
if (!pTemp)
return FALSE;
}
if (!pScreenPriv->pMoveGC)
{
pScreenPriv->pMoveGC = CreateGC ((DrawablePtr)pTemp,
GCGraphicsExposures, &gcval, &status);
if (!pScreenPriv->pMoveGC)
return FALSE;
}
/*
* copy the saved area to a temporary pixmap
*/
pGC = pScreenPriv->pMoveGC;
if (pGC->serialNumber != pTemp->drawable.serialNumber)
ValidateGC ((DrawablePtr) pTemp, pGC);
(*pGC->ops->CopyArea)((DrawablePtr)pScreenPriv->pSave,
(DrawablePtr)pTemp, pGC, 0, 0, w, h, 0, 0);
/*
* draw the cursor in the temporary pixmap
*/
#ifdef ARGB_CURSOR
if (pPriv->pPicture)
{
if (!EnsurePicture(pScreenPriv->pTempPicture, &pTemp->drawable, pWin))
return FALSE;
CompositePicture (PictOpOver,
pPriv->pPicture,
NULL,
pScreenPriv->pTempPicture,
0, 0, 0, 0,
dx, dy,
pCursor->bits->width,
pCursor->bits->height);
}
else
#endif
{
if (!pScreenPriv->pPixSourceGC)
{
pScreenPriv->pPixSourceGC = CreateGC ((DrawablePtr)pTemp,
GCGraphicsExposures, &gcval, &status);
if (!pScreenPriv->pPixSourceGC)
return FALSE;
}
if (!pScreenPriv->pPixMaskGC)
{
pScreenPriv->pPixMaskGC = CreateGC ((DrawablePtr)pTemp,
GCGraphicsExposures, &gcval, &status);
if (!pScreenPriv->pPixMaskGC)
return FALSE;
}
miDCPutBits ((DrawablePtr)pTemp, pPriv,
pScreenPriv->pPixSourceGC, pScreenPriv->pPixMaskGC,
dx, dy, pCursor->bits->width, pCursor->bits->height,
source, mask);
}
/*
* copy the temporary pixmap onto the screen
*/
if (!EnsureGC(pScreenPriv->pRestoreGC, pWin))
return FALSE;
pGC = pScreenPriv->pRestoreGC;
if (pWin->drawable.serialNumber != pGC->serialNumber)
ValidateGC ((DrawablePtr) pWin, pGC);
(*pGC->ops->CopyArea) ((DrawablePtr) pTemp, (DrawablePtr) pWin,
pGC,
0, 0, w, h, x, y);
return TRUE;
}