squishypinkelephant 02f1efe2bc Xext: shape: replace ShapeEventType resource by devPrivate
Instead of abusing resource types, use the standard devPrivate
mechanism for assigning auxillary data to windows.

Signed-off-by: squishypinkelephant <squishypinkelephant@gmail.com>
2026-01-12 10:11:55 +01:00

1062 lines
29 KiB
C

/************************************************************
Copyright 1989, 1998 The Open Group
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documentation for any purpose is hereby granted without fee, provided that
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Except as contained in this notice, the name of The Open Group shall not be
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********************************************************/
#include <dix-config.h>
#include <stdlib.h>
#include <X11/X.h>
#include <X11/Xproto.h>
#include <X11/extensions/shapeproto.h>
#include "dix/client_priv.h"
#include "dix/dix_priv.h"
#include "dix/gc_priv.h"
#include "dix/request_priv.h"
#include "dix/rpcbuf_priv.h"
#include "dix/screenint_priv.h"
#include "dix/screen_hooks_priv.h"
#include "dix/window_priv.h"
#include "miext/extinit_priv.h"
#include "Xext/panoramiX.h"
#include "Xext/panoramiXsrv.h"
#include "misc.h"
#include "os.h"
#include "windowstr.h"
#include "scrnintstr.h"
#include "pixmapstr.h"
#include "extnsionst.h"
#include "dixstruct.h"
#include "opaque.h"
#include "regionstr.h"
#include "gcstruct.h"
#include "protocol-versions.h"
Bool noShapeExtension = FALSE;
typedef RegionPtr (*CreateDftPtr) (WindowPtr /* pWin */
);
static DevPrivateKeyRec ShapeWindowPrivateKeyRec;
static void SShapeNotifyEvent(xShapeNotifyEvent * /* from */ ,
xShapeNotifyEvent * /* to */
);
/* SendShapeNotify, CreateBoundingShape and CreateClipShape are used
* externally by the Xfixes extension and are now defined in window.h
*/
static int ShapeEventBase = 0;
/*
* each window has a list of clients requesting
* ShapeNotify events. Each client has a resource
* for each window it selects ShapeNotify input for,
* this resource is used to delete the ShapeNotifyRec
* entry from the per-window queue.
*/
typedef struct _ShapeEvent *ShapeEventPtr;
typedef struct _ShapeEvent {
ShapeEventPtr next;
ClientPtr client;
WindowPtr window;
} ShapeEventRec;
#define SHAPE_WINDOW_PRIVADDR(pWin) ((ShapeEventPtr *) \
dixLookupPrivateAddr(&(pWin)->devPrivates, &ShapeWindowPrivateKeyRec))
static int
ShapeDelClientFromWin(WindowPtr pWin, void *value) {
ClientPtr client = value;
ShapeEventPtr *pHead = SHAPE_WINDOW_PRIVADDR(pWin);
ShapeEventPtr *prev = pHead;
ShapeEventPtr curr = *pHead;
while (curr) {
if (curr->client == client) {
*prev = curr->next;
free(curr);
break;
}
prev = &curr->next;
curr = curr->next;
}
return WT_WALKCHILDREN;
}
/****************
* ShapeExtensionInit
*
* Called from InitExtensions in main() or from QueryExtension() if the
* extension is dynamically loaded.
*
****************/
static int
RegionOperate(ClientPtr client,
WindowPtr pWin,
int kind,
RegionPtr *destRgnp,
RegionPtr srcRgn, int op, int xoff, int yoff, CreateDftPtr create)
{
if (srcRgn && (xoff || yoff))
RegionTranslate(srcRgn, xoff, yoff);
if (!pWin->parent) {
if (srcRgn)
RegionDestroy(srcRgn);
return Success;
}
/* May/30/2001:
* The shape.PS specs say if src is None, existing shape is to be
* removed (and so the op-code has no meaning in such removal);
* see shape.PS, page 3, ShapeMask.
*/
if (srcRgn == NULL) {
if (*destRgnp != NULL) {
RegionDestroy(*destRgnp);
*destRgnp = 0;
/* go on to remove shape and generate ShapeNotify */
}
else {
/* May/30/2001:
* The target currently has no shape in effect, so nothing to
* do here. The specs say that ShapeNotify is generated whenever
* the client region is "modified"; since no modification is done
* here, we do not generate that event. The specs does not say
* "it is an error to request removal when there is no shape in
* effect", so we return good status.
*/
return Success;
}
}
else
switch (op) {
case ShapeSet:
if (*destRgnp)
RegionDestroy(*destRgnp);
*destRgnp = srcRgn;
srcRgn = 0;
break;
case ShapeUnion:
if (*destRgnp)
RegionUnion(*destRgnp, *destRgnp, srcRgn);
break;
case ShapeIntersect:
if (*destRgnp)
RegionIntersect(*destRgnp, *destRgnp, srcRgn);
else {
*destRgnp = srcRgn;
srcRgn = 0;
}
break;
case ShapeSubtract:
if (!*destRgnp)
*destRgnp = (*create) (pWin);
RegionSubtract(*destRgnp, *destRgnp, srcRgn);
break;
case ShapeInvert:
if (!*destRgnp)
*destRgnp = RegionCreate((BoxPtr) 0, 0);
else
RegionSubtract(*destRgnp, srcRgn, *destRgnp);
break;
default:
client->errorValue = op;
return BadValue;
}
if (srcRgn)
RegionDestroy(srcRgn);
(*pWin->drawable.pScreen->SetShape) (pWin, kind);
SendShapeNotify(pWin, kind);
return Success;
}
RegionPtr
CreateBoundingShape(WindowPtr pWin)
{
BoxRec extents;
extents.x1 = -wBorderWidth(pWin);
extents.y1 = -wBorderWidth(pWin);
extents.x2 = pWin->drawable.width + wBorderWidth(pWin);
extents.y2 = pWin->drawable.height + wBorderWidth(pWin);
return RegionCreate(&extents, 1);
}
RegionPtr
CreateClipShape(WindowPtr pWin)
{
BoxRec extents;
extents.x1 = 0;
extents.y1 = 0;
extents.x2 = pWin->drawable.width;
extents.y2 = pWin->drawable.height;
return RegionCreate(&extents, 1);
}
static int
ProcShapeQueryVersion(ClientPtr client)
{
REQUEST_SIZE_MATCH(xShapeQueryVersionReq);
xShapeQueryVersionReply reply = {
.majorVersion = SERVER_SHAPE_MAJOR_VERSION,
.minorVersion = SERVER_SHAPE_MINOR_VERSION
};
if (client->swapped) {
swaps(&reply.majorVersion);
swaps(&reply.minorVersion);
}
return X_SEND_REPLY_SIMPLE(client, reply);
}
static int
ShapeRectangles(ClientPtr client, xShapeRectanglesReq *stuff)
{
WindowPtr pWin;
xRectangle *prects;
int nrects, ctype, rc;
RegionPtr srcRgn;
RegionPtr *destRgn;
CreateDftPtr createDefault;
UpdateCurrentTime();
rc = dixLookupWindow(&pWin, stuff->dest, client, DixSetAttrAccess);
if (rc != Success)
return rc;
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;
}
if ((stuff->ordering != Unsorted) && (stuff->ordering != YSorted) &&
(stuff->ordering != YXSorted) && (stuff->ordering != YXBanded)) {
client->errorValue = stuff->ordering;
return BadValue;
}
nrects = ((client->req_len << 2) - sizeof(xShapeRectanglesReq));
if (nrects & 4)
return BadLength;
nrects >>= 3;
prects = (xRectangle *) &stuff[1];
ctype = VerifyRectOrder(nrects, prects, (int) stuff->ordering);
if (ctype < 0)
return BadMatch;
srcRgn = RegionFromRects(nrects, prects, ctype);
if (!MakeWindowOptional(pWin))
return BadAlloc;
switch (stuff->destKind) {
case ShapeBounding:
destRgn = &pWin->optional->boundingShape;
break;
case ShapeClip:
destRgn = &pWin->optional->clipShape;
break;
case ShapeInput:
destRgn = &pWin->optional->inputShape;
break;
default:
return BadValue;
}
return RegionOperate(client, pWin, (int) stuff->destKind,
destRgn, srcRgn, (int) stuff->op,
stuff->xOff, stuff->yOff, createDefault);
}
static int
ProcShapeRectangles(ClientPtr client)
{
REQUEST(xShapeRectanglesReq);
REQUEST_AT_LEAST_SIZE(xShapeRectanglesReq);
if (client->swapped) {
swapl(&stuff->dest);
swaps(&stuff->xOff);
swaps(&stuff->yOff);
SwapRestS(stuff);
}
#ifdef XINERAMA
if (noPanoramiXExtension)
return ShapeRectangles(client, stuff);
PanoramiXRes *win;
int result;
result = dixLookupResourceByType((void **) &win, stuff->dest, XRT_WINDOW,
client, DixWriteAccess);
if (result != Success)
return result;
XINERAMA_FOR_EACH_SCREEN_BACKWARD({
stuff->dest = win->info[walkScreenIdx].id;
result = ShapeRectangles(client, stuff);
if (result != Success)
break;
});
return result;
#else
return ShapeRectangles(client, stuff);
#endif
}
static int
ShapeMask(ClientPtr client, xShapeMaskReq *stuff)
{
WindowPtr pWin;
ScreenPtr pScreen;
RegionPtr srcRgn;
RegionPtr *destRgn;
PixmapPtr pPixmap;
CreateDftPtr createDefault;
int rc;
UpdateCurrentTime();
rc = dixLookupWindow(&pWin, stuff->dest, client, DixSetAttrAccess);
if (rc != Success)
return rc;
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;
}
pScreen = pWin->drawable.pScreen;
if (stuff->src == None)
srcRgn = 0;
else {
rc = dixLookupResourceByType((void **) &pPixmap, stuff->src,
X11_RESTYPE_PIXMAP, client, DixReadAccess);
if (rc != Success)
return rc;
if (pPixmap->drawable.pScreen != pScreen ||
pPixmap->drawable.depth != 1)
return BadMatch;
srcRgn = BitmapToRegion(pScreen, pPixmap);
if (!srcRgn)
return BadAlloc;
}
if (!MakeWindowOptional(pWin))
return BadAlloc;
switch (stuff->destKind) {
case ShapeBounding:
destRgn = &pWin->optional->boundingShape;
break;
case ShapeClip:
destRgn = &pWin->optional->clipShape;
break;
case ShapeInput:
destRgn = &pWin->optional->inputShape;
break;
default:
return BadValue;
}
return RegionOperate(client, pWin, (int) stuff->destKind,
destRgn, srcRgn, (int) stuff->op,
stuff->xOff, stuff->yOff, createDefault);
}
static int
ProcShapeMask(ClientPtr client)
{
REQUEST(xShapeMaskReq);
REQUEST_SIZE_MATCH(xShapeMaskReq);
if (client->swapped) {
swapl(&stuff->dest);
swaps(&stuff->xOff);
swaps(&stuff->yOff);
swapl(&stuff->src);
}
#ifdef XINERAMA
if (noPanoramiXExtension)
return ShapeMask(client, stuff);
PanoramiXRes *win, *pmap;
int result;
result = dixLookupResourceByType((void **) &win, stuff->dest, XRT_WINDOW,
client, DixWriteAccess);
if (result != Success)
return result;
if (stuff->src != None) {
result = dixLookupResourceByType((void **) &pmap, stuff->src,
XRT_PIXMAP, client, DixReadAccess);
if (result != Success)
return result;
}
else
pmap = NULL;
XINERAMA_FOR_EACH_SCREEN_BACKWARD({
stuff->dest = win->info[walkScreenIdx].id;
if (pmap)
stuff->src = pmap->info[walkScreenIdx].id;
result = ShapeMask(client, stuff);
if (result != Success)
break;
});
return result;
#else
return ShapeMask(client, stuff);
#endif
}
static int
ShapeCombine(ClientPtr client, xShapeCombineReq *stuff)
{
WindowPtr pSrcWin, pDestWin;
RegionPtr srcRgn;
RegionPtr *destRgn;
CreateDftPtr createDefault;
CreateDftPtr createSrc;
RegionPtr tmp;
int rc;
UpdateCurrentTime();
rc = dixLookupWindow(&pDestWin, stuff->dest, client, DixSetAttrAccess);
if (rc != Success)
return rc;
if (!MakeWindowOptional(pDestWin))
return BadAlloc;
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 (!MakeWindowOptional(pDestWin))
return BadAlloc;
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);
}
static int
ProcShapeCombine(ClientPtr client)
{
REQUEST(xShapeCombineReq);
REQUEST_AT_LEAST_SIZE(xShapeCombineReq);
if (client->swapped) {
swapl(&stuff->dest);
swaps(&stuff->xOff);
swaps(&stuff->yOff);
swapl(&stuff->src);
}
#ifdef XINERAMA
if (noPanoramiXExtension)
return ShapeCombine(client, stuff);
PanoramiXRes *win, *win2;
int result;
result = dixLookupResourceByType((void **) &win, stuff->dest, XRT_WINDOW,
client, DixWriteAccess);
if (result != Success)
return result;
result = dixLookupResourceByType((void **) &win2, stuff->src, XRT_WINDOW,
client, DixReadAccess);
if (result != Success)
return result;
XINERAMA_FOR_EACH_SCREEN_BACKWARD({
stuff->dest = win->info[walkScreenIdx].id;
stuff->src = win2->info[walkScreenIdx].id;
result = ShapeCombine(client, stuff);
if (result != Success)
break;
});
return result;
#else
return ShapeCombine(client, stuff);
#endif
}
static int
ShapeOffset(ClientPtr client, xShapeOffsetReq *stuff)
{
WindowPtr pWin;
RegionPtr srcRgn;
int rc;
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;
}
static int
ProcShapeOffset(ClientPtr client)
{
REQUEST(xShapeOffsetReq);
REQUEST_AT_LEAST_SIZE(xShapeOffsetReq);
if (client->swapped) {
swapl(&stuff->dest);
swaps(&stuff->xOff);
swaps(&stuff->yOff);
}
#ifdef XINERAMA
PanoramiXRes *win;
int result;
if (noPanoramiXExtension)
return ShapeOffset(client, stuff);
result = dixLookupResourceByType((void **) &win, stuff->dest, XRT_WINDOW,
client, DixWriteAccess);
if (result != Success)
return result;
XINERAMA_FOR_EACH_SCREEN_BACKWARD({
stuff->dest = win->info[walkScreenIdx].id;
result = ShapeOffset(client, stuff);
if (result != Success)
break;
});
return result;
#else
return ShapeOffset(client, stuff);
#endif
}
static int
ProcShapeQueryExtents(ClientPtr client)
{
REQUEST(xShapeQueryExtentsReq);
REQUEST_SIZE_MATCH(xShapeQueryExtentsReq);
if (client->swapped)
swapl(&stuff->window);
WindowPtr pWin;
int rc = dixLookupWindow(&pWin, stuff->window, client, DixGetAttrAccess);
if (rc != Success)
return rc;
RegionPtr boundRegion;
BoxRec boundBox;
if ((boundRegion = wBoundingShape(pWin))) {
/* this is done in two steps because of a compiler bug on SunOS 4.1.3 */
BoxRec *pExtents = RegionExtents(boundRegion);
boundBox = *pExtents;
}
else {
boundBox.x1 = -wBorderWidth(pWin);
boundBox.y1 = -wBorderWidth(pWin);
boundBox.x2 = pWin->drawable.width + wBorderWidth(pWin);
boundBox.y2 = pWin->drawable.height + wBorderWidth(pWin);
}
RegionPtr shapeRegion;
BoxRec shapeBox;
if ((shapeRegion = wClipShape(pWin))) {
/* this is done in two steps because of a compiler bug on SunOS 4.1.3 */
BoxRec *pExtents = RegionExtents(shapeRegion);
shapeBox = *pExtents;
}
else {
shapeBox.x1 = 0;
shapeBox.y1 = 0;
shapeBox.x2 = pWin->drawable.width;
shapeBox.y2 = pWin->drawable.height;
}
xShapeQueryExtentsReply reply = {
.boundingShaped = (wBoundingShape(pWin) != 0),
.clipShaped = (wClipShape(pWin) != 0),
.xBoundingShape = boundBox.x1,
.yBoundingShape = boundBox.y1,
.widthBoundingShape = boundBox.x2 - boundBox.x1,
.heightBoundingShape = boundBox.y2 - boundBox.y1,
.xClipShape = shapeBox.x1,
.yClipShape = shapeBox.y1,
.widthClipShape = shapeBox.x2 - shapeBox.x1,
.heightClipShape = shapeBox.y2 - shapeBox.y1,
};
if (client->swapped) {
swaps(&reply.xBoundingShape);
swaps(&reply.yBoundingShape);
swaps(&reply.widthBoundingShape);
swaps(&reply.heightBoundingShape);
swaps(&reply.xClipShape);
swaps(&reply.yClipShape);
swaps(&reply.widthClipShape);
swaps(&reply.heightClipShape);
}
return X_SEND_REPLY_SIMPLE(client, reply);
}
static int
ProcShapeSelectInput(ClientPtr client)
{
REQUEST(xShapeSelectInputReq);
WindowPtr pWin;
ShapeEventPtr pNewShapeEvent;
int rc;
REQUEST_SIZE_MATCH(xShapeSelectInputReq);
if (client->swapped)
swapl(&stuff->window);
rc = dixLookupWindow(&pWin, stuff->window, client, DixReceiveAccess);
if (rc != Success)
return rc;
ShapeEventPtr pShapeEvent, *pHead = SHAPE_WINDOW_PRIVADDR(pWin);
switch (stuff->enable) {
case xTrue:
/* check for existing entry. */
for (pShapeEvent = *pHead;
pShapeEvent; pShapeEvent = pShapeEvent->next) {
if (pShapeEvent->client == client) {
return Success;
}
}
/* Form the event */
pNewShapeEvent = calloc(1, sizeof(ShapeEventRec));
if (!pNewShapeEvent)
return BadAlloc;
pNewShapeEvent->next = *pHead;
pNewShapeEvent->client = client;
pNewShapeEvent->window = pWin;
dixSetPrivate(&pWin->devPrivates, &ShapeWindowPrivateKeyRec, pNewShapeEvent);
break;
case xFalse:
/* remove the events with (client) */
ShapeDelClientFromWin(pWin,client);
break;
default:
client->errorValue = stuff->enable;
return BadValue;
}
return Success;
}
/*
* deliver the event
*/
void
SendShapeNotify(WindowPtr pWin, int which)
{
BoxRec extents;
RegionPtr region;
BYTE shaped;
ShapeEventPtr pShapeEvent, *pHead = SHAPE_WINDOW_PRIVADDR(pWin);
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;
}
UpdateCurrentTimeIf();
for (pShapeEvent = *pHead; pShapeEvent; pShapeEvent = pShapeEvent->next) {
xShapeNotifyEvent se = {
.type = ShapeNotify + ShapeEventBase,
.kind = which,
.window = pWin->drawable.id,
.x = extents.x1,
.y = extents.y1,
.width = extents.x2 - extents.x1,
.height = extents.y2 - extents.y1,
.time = currentTime.milliseconds,
.shaped = shaped
};
WriteEventsToClient(pShapeEvent->client, 1, (xEvent *) &se);
}
}
static int
ProcShapeInputSelected(ClientPtr client)
{
REQUEST(xShapeInputSelectedReq);
WindowPtr pWin;
int enabled, rc;
REQUEST_SIZE_MATCH(xShapeInputSelectedReq);
if (client->swapped)
swapl(&stuff->window);
rc = dixLookupWindow(&pWin, stuff->window, client, DixGetAttrAccess);
if (rc != Success)
return rc;
ShapeEventPtr pShapeEvent, *pHead = SHAPE_WINDOW_PRIVADDR(pWin);
enabled = xFalse;
if (pHead) {
for (pShapeEvent = *pHead; pShapeEvent; pShapeEvent = pShapeEvent->next) {
if (pShapeEvent->client == client) {
enabled = xTrue;
break;
}
}
}
xShapeInputSelectedReply reply = {
.enabled = enabled,
};
return X_SEND_REPLY_SIMPLE(client, reply);
}
static int
ProcShapeGetRectangles(ClientPtr client)
{
REQUEST(xShapeGetRectanglesReq);
WindowPtr pWin;
int nrects, rc;
RegionPtr region;
REQUEST_SIZE_MATCH(xShapeGetRectanglesReq);
if (client->swapped)
swapl(&stuff->window);
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;
}
x_rpcbuf_t rpcbuf = { .swapped = client->swapped, .err_clear = TRUE };
if (!region) {
xRectangle rect;
switch (stuff->kind) {
case ShapeBounding:
rect.x = -(int) wBorderWidth(pWin);
rect.y = -(int) wBorderWidth(pWin);
rect.width = pWin->drawable.width + wBorderWidth(pWin);
rect.height = pWin->drawable.height + wBorderWidth(pWin);
break;
case ShapeClip:
rect.x = 0;
rect.y = 0;
rect.width = pWin->drawable.width;
rect.height = pWin->drawable.height;
break;
case ShapeInput:
rect.x = -(int) wBorderWidth(pWin);
rect.y = -(int) wBorderWidth(pWin);
rect.width = pWin->drawable.width + wBorderWidth(pWin);
rect.height = pWin->drawable.height + wBorderWidth(pWin);
break;
}
nrects = 1;
x_rpcbuf_write_CARD16s(&rpcbuf, (CARD16*)&rect, 4);
}
else {
nrects = RegionNumRects(region);
BoxPtr boxes = RegionRects(region);
for (int i=0; i < nrects; i++) {
xRectangle rect = {
.x = boxes[i].x1,
.y = boxes[i].y1,
.width = boxes[i].x2 - boxes[i].x1,
.height = boxes[i].y2 - boxes[i].y1,
};
x_rpcbuf_write_CARD16s(&rpcbuf, (CARD16*)&rect, 4);
};
}
xShapeGetRectanglesReply reply = {
.ordering = YXBanded,
.nrects = nrects
};
if (client->swapped) {
swapl(&reply.nrects);
}
return X_SEND_REPLY_WITH_RPCBUF(client, reply, rpcbuf);
}
static int
ProcShapeDispatch(ClientPtr client)
{
REQUEST(xReq);
switch (stuff->data) {
case X_ShapeQueryVersion:
return ProcShapeQueryVersion(client);
case X_ShapeRectangles:
return ProcShapeRectangles(client);
case X_ShapeMask:
return ProcShapeMask(client);
case X_ShapeCombine:
return ProcShapeCombine(client);
case X_ShapeOffset:
return ProcShapeOffset(client);
case X_ShapeQueryExtents:
return ProcShapeQueryExtents(client);
case X_ShapeSelectInput:
return ProcShapeSelectInput(client);
case X_ShapeInputSelected:
return ProcShapeInputSelected(client);
case X_ShapeGetRectangles:
return ProcShapeGetRectangles(client);
default:
return BadRequest;
}
}
static void _X_COLD
SShapeNotifyEvent(xShapeNotifyEvent * from, xShapeNotifyEvent * to)
{
to->type = from->type;
to->kind = from->kind;
cpswapl(from->window, to->window);
cpswaps(from->sequenceNumber, to->sequenceNumber);
cpswaps(from->x, to->x);
cpswaps(from->y, to->y);
cpswaps(from->width, to->width);
cpswaps(from->height, to->height);
cpswapl(from->time, to->time);
to->shaped = from->shaped;
}
static void
ShapeWindowDestroy(CallbackListPtr *pcbl, ScreenPtr pScreen, WindowPtr pWin)
{
/* free the events before the window's devPrivates are free'd by destruction */
ShapeEventPtr pShapeEvent, next;
ShapeEventPtr *pHead = SHAPE_WINDOW_PRIVADDR(pWin);
pShapeEvent = *pHead;
while (pShapeEvent) {
next = pShapeEvent->next;
free(pShapeEvent);
pShapeEvent = next;
}
dixSetPrivate(&pWin->devPrivates, &ShapeWindowPrivateKeyRec, NULL);
}
static void
ShapeClientDestroyCallback(CallbackListPtr *pcbl, void *unused, void *calldata)
{
ClientPtr client = calldata;
DIX_FOR_EACH_SCREEN({
WalkTree(walkScreen, ShapeDelClientFromWin, client);
})
}
void
ShapeExtensionInit(void)
{
ExtensionEntry *extEntry;
if (!dixRegisterPrivateKey(&ShapeWindowPrivateKeyRec, PRIVATE_WINDOW, 0))
return;
DIX_FOR_EACH_SCREEN({
dixScreenHookWindowDestroy(walkScreen,ShapeWindowDestroy);
})
AddCallback(&ClientDestroyCallback, ShapeClientDestroyCallback, NULL);
if ((extEntry = AddExtension(SHAPENAME, ShapeNumberEvents, 0,
ProcShapeDispatch, ProcShapeDispatch,
NULL, StandardMinorOpcode))) {
ShapeEventBase = extEntry->eventBase;
EventSwapVector[ShapeEventBase] = (EventSwapPtr) SShapeNotifyEvent;
}
}