static int
ProcShapeOffset(ClientPtr client)
{
WindowPtr pWin;
REQUEST(xShapeOffsetReq);
RegionPtr srcRgn;
int rc;
REQUEST_SIZE_MATCH(xShapeOffsetReq);
UpdateCurrentTime();
rc = dixLookupWindow(&pWin, stuff->dest, client, DixSetAttrAccess);
if (rc != Success)
return rc;
switch (stuff->destKind) {
case ShapeBounding:
srcRgn = wBoundingShape(pWin);
break;
case ShapeClip:
srcRgn = wClipShape(pWin);
break;
case ShapeInput:
srcRgn = wInputShape(pWin);
break;
default:
client->errorValue = stuff->destKind;
return BadValue;
}
if (srcRgn) {
RegionTranslate(srcRgn, stuff->xOff, stuff->yOff);
(*pWin->drawable.pScreen->SetShape) (pWin, stuff->destKind);
}
SendShapeNotify(pWin, (int) stuff->destKind);
return Success;
}
int
ProcXFixesCreateRegionFromWindow (ClientPtr client)
{
RegionPtr pRegion;
Bool copy = TRUE;
WindowPtr pWin;
REQUEST (xXFixesCreateRegionFromWindowReq);
REQUEST_SIZE_MATCH (xXFixesCreateRegionFromWindowReq);
LEGAL_NEW_RESOURCE (stuff->region, client);
pWin = (WindowPtr) LookupIDByType (stuff->window, RT_WINDOW);
if (!pWin)
{
client->errorValue = stuff->window;
return BadWindow;
}
switch (stuff->kind) {
case WindowRegionBounding:
#ifdef SHAPE
pRegion = wBoundingShape(pWin);
if (!pRegion)
#endif
{
pRegion = CreateBoundingShape (pWin);
copy = FALSE;
}
break;
case WindowRegionClip:
#ifdef SHAPE
pRegion = wClipShape(pWin);
if (!pRegion)
#endif
{
pRegion = CreateClipShape (pWin);
copy = FALSE;
}
break;
default:
client->errorValue = stuff->kind;
return BadValue;
}
if (copy && pRegion)
pRegion = XFixesRegionCopy (pRegion);
if (!pRegion)
return BadAlloc;
if (!AddResource (stuff->region, RegionResType, (pointer) pRegion))
return BadAlloc;
return(client->noClientException);
}
int
ProcXFixesCreateRegionFromWindow (ClientPtr client)
{
RegionPtr pRegion;
Bool copy = TRUE;
WindowPtr pWin;
int rc;
REQUEST (xXFixesCreateRegionFromWindowReq);
REQUEST_SIZE_MATCH (xXFixesCreateRegionFromWindowReq);
LEGAL_NEW_RESOURCE (stuff->region, client);
rc = dixLookupResourceByType((pointer *)&pWin, stuff->window, RT_WINDOW,
client, DixGetAttrAccess);
if (rc != Success)
{
client->errorValue = stuff->window;
return rc;
}
switch (stuff->kind) {
case WindowRegionBounding:
pRegion = wBoundingShape(pWin);
if (!pRegion)
{
pRegion = CreateBoundingShape (pWin);
copy = FALSE;
}
break;
case WindowRegionClip:
pRegion = wClipShape(pWin);
if (!pRegion)
{
pRegion = CreateClipShape (pWin);
copy = FALSE;
}
break;
default:
client->errorValue = stuff->kind;
return BadValue;
}
if (copy && pRegion)
pRegion = XFixesRegionCopy (pRegion);
if (!pRegion)
return BadAlloc;
if (!AddResource (stuff->region, RegionResType, (pointer) pRegion))
return BadAlloc;
return Success;
}
static int
ProcShapeGetRectangles(ClientPtr client)
{
REQUEST(xShapeGetRectanglesReq);
WindowPtr pWin;
xShapeGetRectanglesReply rep;
xRectangle *rects;
int nrects, i, rc;
RegionPtr region;
REQUEST_SIZE_MATCH(xShapeGetRectanglesReq);
rc = dixLookupWindow(&pWin, stuff->window, client, DixGetAttrAccess);
if (rc != Success)
return rc;
switch (stuff->kind) {
case ShapeBounding:
region = wBoundingShape(pWin);
break;
case ShapeClip:
region = wClipShape(pWin);
break;
case ShapeInput:
region = wInputShape(pWin);
break;
default:
client->errorValue = stuff->kind;
return BadValue;
}
if (!region) {
nrects = 1;
rects = malloc(sizeof(xRectangle));
if (!rects)
return BadAlloc;
switch (stuff->kind) {
case ShapeBounding:
rects->x = -(int) wBorderWidth(pWin);
rects->y = -(int) wBorderWidth(pWin);
rects->width = pWin->drawable.width + wBorderWidth(pWin);
rects->height = pWin->drawable.height + wBorderWidth(pWin);
break;
case ShapeClip:
rects->x = 0;
rects->y = 0;
rects->width = pWin->drawable.width;
rects->height = pWin->drawable.height;
break;
case ShapeInput:
rects->x = -(int) wBorderWidth(pWin);
rects->y = -(int) wBorderWidth(pWin);
rects->width = pWin->drawable.width + wBorderWidth(pWin);
rects->height = pWin->drawable.height + wBorderWidth(pWin);
break;
}
}
else {
BoxPtr box;
nrects = RegionNumRects(region);
box = RegionRects(region);
rects = malloc(nrects * sizeof(xRectangle));
if (!rects && nrects)
return BadAlloc;
for (i = 0; i < nrects; i++, box++) {
rects[i].x = box->x1;
rects[i].y = box->y1;
rects[i].width = box->x2 - box->x1;
rects[i].height = box->y2 - box->y1;
}
}
rep.type = X_Reply;
rep.sequenceNumber = client->sequence;
rep.length = bytes_to_int32(nrects * sizeof(xRectangle));
rep.ordering = YXBanded;
rep.nrects = nrects;
if (client->swapped) {
swaps(&rep.sequenceNumber);
swapl(&rep.length);
swapl(&rep.nrects);
SwapShorts((short *) rects, (unsigned long) nrects * 4);
}
WriteToClient(client, sizeof(rep), (char *) &rep);
WriteToClient(client, nrects * sizeof(xRectangle), (char *) rects);
free(rects);
return Success;
}
void
SendShapeNotify(WindowPtr pWin, int which)
{
ShapeEventPtr *pHead, pShapeEvent;
xShapeNotifyEvent se;
BoxRec extents;
RegionPtr region;
BYTE shaped;
int rc;
rc = dixLookupResourceByType((pointer *) &pHead, pWin->drawable.id,
ShapeEventType, serverClient, DixReadAccess);
if (rc != Success)
return;
switch (which) {
case ShapeBounding:
region = wBoundingShape(pWin);
if (region) {
extents = *RegionExtents(region);
shaped = xTrue;
}
else {
extents.x1 = -wBorderWidth(pWin);
extents.y1 = -wBorderWidth(pWin);
extents.x2 = pWin->drawable.width + wBorderWidth(pWin);
extents.y2 = pWin->drawable.height + wBorderWidth(pWin);
shaped = xFalse;
}
break;
case ShapeClip:
region = wClipShape(pWin);
if (region) {
extents = *RegionExtents(region);
shaped = xTrue;
}
else {
extents.x1 = 0;
extents.y1 = 0;
extents.x2 = pWin->drawable.width;
extents.y2 = pWin->drawable.height;
shaped = xFalse;
}
break;
case ShapeInput:
region = wInputShape(pWin);
if (region) {
extents = *RegionExtents(region);
shaped = xTrue;
}
else {
extents.x1 = -wBorderWidth(pWin);
extents.y1 = -wBorderWidth(pWin);
extents.x2 = pWin->drawable.width + wBorderWidth(pWin);
extents.y2 = pWin->drawable.height + wBorderWidth(pWin);
shaped = xFalse;
}
break;
default:
return;
}
for (pShapeEvent = *pHead; pShapeEvent; pShapeEvent = pShapeEvent->next) {
se.type = ShapeNotify + ShapeEventBase;
se.kind = which;
se.window = pWin->drawable.id;
se.x = extents.x1;
se.y = extents.y1;
se.width = extents.x2 - extents.x1;
se.height = extents.y2 - extents.y1;
se.time = currentTime.milliseconds;
se.shaped = shaped;
WriteEventsToClient(pShapeEvent->client, 1, (xEvent *) &se);
}
}
static int
ProcShapeQueryExtents(ClientPtr client)
{
REQUEST(xShapeQueryExtentsReq);
WindowPtr pWin;
xShapeQueryExtentsReply rep;
BoxRec extents, *pExtents;
int rc;
RegionPtr region;
REQUEST_SIZE_MATCH(xShapeQueryExtentsReq);
rc = dixLookupWindow(&pWin, stuff->window, client, DixGetAttrAccess);
if (rc != Success)
return rc;
memset(&rep, 0, sizeof(xShapeQueryExtentsReply));
rep.type = X_Reply;
rep.length = 0;
rep.sequenceNumber = client->sequence;
rep.boundingShaped = (wBoundingShape(pWin) != 0);
rep.clipShaped = (wClipShape(pWin) != 0);
if ((region = wBoundingShape(pWin))) {
/* this is done in two steps because of a compiler bug on SunOS 4.1.3 */
pExtents = RegionExtents(region);
extents = *pExtents;
}
else {
extents.x1 = -wBorderWidth(pWin);
extents.y1 = -wBorderWidth(pWin);
extents.x2 = pWin->drawable.width + wBorderWidth(pWin);
extents.y2 = pWin->drawable.height + wBorderWidth(pWin);
}
rep.xBoundingShape = extents.x1;
rep.yBoundingShape = extents.y1;
rep.widthBoundingShape = extents.x2 - extents.x1;
rep.heightBoundingShape = extents.y2 - extents.y1;
if ((region = wClipShape(pWin))) {
/* this is done in two steps because of a compiler bug on SunOS 4.1.3 */
pExtents = RegionExtents(region);
extents = *pExtents;
}
else {
extents.x1 = 0;
extents.y1 = 0;
extents.x2 = pWin->drawable.width;
extents.y2 = pWin->drawable.height;
}
rep.xClipShape = extents.x1;
rep.yClipShape = extents.y1;
rep.widthClipShape = extents.x2 - extents.x1;
rep.heightClipShape = extents.y2 - extents.y1;
if (client->swapped) {
swaps(&rep.sequenceNumber);
swapl(&rep.length);
swaps(&rep.xBoundingShape);
swaps(&rep.yBoundingShape);
swaps(&rep.widthBoundingShape);
swaps(&rep.heightBoundingShape);
swaps(&rep.xClipShape);
swaps(&rep.yClipShape);
swaps(&rep.widthClipShape);
swaps(&rep.heightClipShape);
}
WriteToClient(client, sizeof(xShapeQueryExtentsReply), (char *) &rep);
return Success;
}
static int
ProcShapeCombine(ClientPtr client)
{
WindowPtr pSrcWin, pDestWin;
REQUEST(xShapeCombineReq);
RegionPtr srcRgn;
RegionPtr *destRgn;
CreateDftPtr createDefault;
CreateDftPtr createSrc;
RegionPtr tmp;
int rc;
REQUEST_SIZE_MATCH(xShapeCombineReq);
UpdateCurrentTime();
rc = dixLookupWindow(&pDestWin, stuff->dest, client, DixSetAttrAccess);
if (rc != Success)
return rc;
if (!pDestWin->optional)
MakeWindowOptional(pDestWin);
switch (stuff->destKind) {
case ShapeBounding:
createDefault = CreateBoundingShape;
break;
case ShapeClip:
createDefault = CreateClipShape;
break;
case ShapeInput:
createDefault = CreateBoundingShape;
break;
default:
client->errorValue = stuff->destKind;
return BadValue;
}
rc = dixLookupWindow(&pSrcWin, stuff->src, client, DixGetAttrAccess);
if (rc != Success)
return rc;
switch (stuff->srcKind) {
case ShapeBounding:
srcRgn = wBoundingShape(pSrcWin);
createSrc = CreateBoundingShape;
break;
case ShapeClip:
srcRgn = wClipShape(pSrcWin);
createSrc = CreateClipShape;
break;
case ShapeInput:
srcRgn = wInputShape(pSrcWin);
createSrc = CreateBoundingShape;
break;
default:
client->errorValue = stuff->srcKind;
return BadValue;
}
if (pSrcWin->drawable.pScreen != pDestWin->drawable.pScreen) {
return BadMatch;
}
if (srcRgn) {
tmp = RegionCreate((BoxPtr) 0, 0);
RegionCopy(tmp, srcRgn);
srcRgn = tmp;
}
else
srcRgn = (*createSrc) (pSrcWin);
if (!pDestWin->optional)
MakeWindowOptional(pDestWin);
switch (stuff->destKind) {
case ShapeBounding:
destRgn = &pDestWin->optional->boundingShape;
break;
case ShapeClip:
destRgn = &pDestWin->optional->clipShape;
break;
case ShapeInput:
destRgn = &pDestWin->optional->inputShape;
break;
default:
return BadValue;
}
return RegionOperate(client, pDestWin, (int) stuff->destKind,
destRgn, srcRgn, (int) stuff->op,
stuff->xOff, stuff->yOff, createDefault);
}
RegionPtr
miHandleExposures(DrawablePtr pSrcDrawable, DrawablePtr pDstDrawable,
GCPtr pGC, int srcx, int srcy, int width, int height,
int dstx, int dsty)
{
RegionPtr prgnSrcClip; /* drawable-relative source clip */
RegionRec rgnSrcRec;
RegionPtr prgnDstClip; /* drawable-relative dest clip */
RegionRec rgnDstRec;
BoxRec srcBox; /* unclipped source */
RegionRec rgnExposed; /* exposed region, calculated source-
relative, made dst relative to
intersect with visible parts of
dest and send events to client,
and then screen relative to paint
the window background
*/
WindowPtr pSrcWin;
BoxRec expBox = { 0, };
Bool extents;
/* avoid work if we can */
if (!pGC->graphicsExposures && pDstDrawable->type == DRAWABLE_PIXMAP)
return NULL;
srcBox.x1 = srcx;
srcBox.y1 = srcy;
srcBox.x2 = srcx + width;
srcBox.y2 = srcy + height;
if (pSrcDrawable->type != DRAWABLE_PIXMAP) {
BoxRec TsrcBox;
TsrcBox.x1 = srcx + pSrcDrawable->x;
TsrcBox.y1 = srcy + pSrcDrawable->y;
TsrcBox.x2 = TsrcBox.x1 + width;
TsrcBox.y2 = TsrcBox.y1 + height;
pSrcWin = (WindowPtr) pSrcDrawable;
if (pGC->subWindowMode == IncludeInferiors) {
prgnSrcClip = NotClippedByChildren(pSrcWin);
if ((RegionContainsRect(prgnSrcClip, &TsrcBox)) == rgnIN) {
RegionDestroy(prgnSrcClip);
return NULL;
}
}
else {
if ((RegionContainsRect(&pSrcWin->clipList, &TsrcBox)) == rgnIN)
return NULL;
prgnSrcClip = &rgnSrcRec;
RegionNull(prgnSrcClip);
RegionCopy(prgnSrcClip, &pSrcWin->clipList);
}
RegionTranslate(prgnSrcClip, -pSrcDrawable->x, -pSrcDrawable->y);
}
else {
BoxRec box;
if ((srcBox.x1 >= 0) && (srcBox.y1 >= 0) &&
(srcBox.x2 <= pSrcDrawable->width) &&
(srcBox.y2 <= pSrcDrawable->height))
return NULL;
box.x1 = 0;
box.y1 = 0;
box.x2 = pSrcDrawable->width;
box.y2 = pSrcDrawable->height;
prgnSrcClip = &rgnSrcRec;
RegionInit(prgnSrcClip, &box, 1);
pSrcWin = NULL;
}
if (pDstDrawable == pSrcDrawable) {
prgnDstClip = prgnSrcClip;
}
else if (pDstDrawable->type != DRAWABLE_PIXMAP) {
if (pGC->subWindowMode == IncludeInferiors) {
prgnDstClip = NotClippedByChildren((WindowPtr) pDstDrawable);
}
else {
prgnDstClip = &rgnDstRec;
RegionNull(prgnDstClip);
RegionCopy(prgnDstClip, &((WindowPtr) pDstDrawable)->clipList);
}
RegionTranslate(prgnDstClip, -pDstDrawable->x, -pDstDrawable->y);
}
else {
BoxRec box;
box.x1 = 0;
box.y1 = 0;
box.x2 = pDstDrawable->width;
box.y2 = pDstDrawable->height;
prgnDstClip = &rgnDstRec;
RegionInit(prgnDstClip, &box, 1);
}
/* drawable-relative source region */
RegionInit(&rgnExposed, &srcBox, 1);
/* now get the hidden parts of the source box */
RegionSubtract(&rgnExposed, &rgnExposed, prgnSrcClip);
/* move them over the destination */
RegionTranslate(&rgnExposed, dstx - srcx, dsty - srcy);
/* intersect with visible areas of dest */
RegionIntersect(&rgnExposed, &rgnExposed, prgnDstClip);
/* intersect with client clip region. */
if (pGC->clientClip)
RegionIntersect(&rgnExposed, &rgnExposed, pGC->clientClip);
/*
* If we have LOTS of rectangles, we decide to take the extents
* and force an exposure on that. This should require much less
* work overall, on both client and server. This is cheating, but
* isn't prohibited by the protocol ("spontaneous combustion" :-)
* for windows.
*/
extents = pGC->graphicsExposures &&
(RegionNumRects(&rgnExposed) > RECTLIMIT) &&
(pDstDrawable->type != DRAWABLE_PIXMAP);
if (pSrcWin) {
RegionPtr region;
if (!(region = wClipShape(pSrcWin)))
region = wBoundingShape(pSrcWin);
/*
* If you try to CopyArea the extents of a shaped window, compacting the
* exposed region will undo all our work!
*/
if (extents && pSrcWin && region &&
(RegionContainsRect(region, &srcBox) != rgnIN))
extents = FALSE;
}
if (extents) {
expBox = *RegionExtents(&rgnExposed);
RegionReset(&rgnExposed, &expBox);
}
if ((pDstDrawable->type != DRAWABLE_PIXMAP) &&
(((WindowPtr) pDstDrawable)->backgroundState != None)) {
WindowPtr pWin = (WindowPtr) pDstDrawable;
/* make the exposed area screen-relative */
RegionTranslate(&rgnExposed, pDstDrawable->x, pDstDrawable->y);
if (extents) {
/* PaintWindow doesn't clip, so we have to */
RegionIntersect(&rgnExposed, &rgnExposed, &pWin->clipList);
}
pDstDrawable->pScreen->PaintWindow((WindowPtr) pDstDrawable,
&rgnExposed, PW_BACKGROUND);
if (extents) {
RegionReset(&rgnExposed, &expBox);
}
else
RegionTranslate(&rgnExposed, -pDstDrawable->x, -pDstDrawable->y);
}
if (prgnDstClip == &rgnDstRec) {
RegionUninit(prgnDstClip);
}
else if (prgnDstClip != prgnSrcClip) {
RegionDestroy(prgnDstClip);
}
if (prgnSrcClip == &rgnSrcRec) {
RegionUninit(prgnSrcClip);
}
else {
RegionDestroy(prgnSrcClip);
}
if (pGC->graphicsExposures) {
/* don't look */
RegionPtr exposed = RegionCreate(NullBox, 0);
*exposed = rgnExposed;
return exposed;
}
else {
RegionUninit(&rgnExposed);
return NULL;
}
}
