--- /dev/null
+/************************************************************
+
+Copyright (c) 1989 X Consortium
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+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
+X CONSORTIUM 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 X Consortium 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 X Consortium.
+
+********************************************************/
+
+/* $TOG: shape.c /main/37 1997/05/22 10:11:40 kaleb $ */
+
+
+
+
+/* $XFree86: xc/programs/Xserver/Xext/shape.c,v 3.1.2.1 1997/05/23 12:19:34 dawes Exp $ */
+#define NEED_REPLIES
+#define NEED_EVENTS
+#include <stdio.h>
+#include "X.h"
+#include "Xproto.h"
+#include "misc.h"
+#include "os.h"
+#include "windowstr.h"
+#include "scrnintstr.h"
+#include "pixmapstr.h"
+#include "extnsionst.h"
+#include "dixstruct.h"
+#include "resource.h"
+#include "opaque.h"
+#define _SHAPE_SERVER_ /* don't want Xlib structures */
+#include "shapestr.h"
+#include "regionstr.h"
+#include "gcstruct.h"
+
+typedef RegionPtr (*CreateDftPtr)(
+#if NeedNestedPrototypes
+ WindowPtr /* pWin */
+#endif
+ );
+
+static int ShapeFreeClient(
+#if NeedFunctionPrototypes
+ pointer /* data */,
+ XID /* id */
+#endif
+ );
+static int ShapeFreeEvents(
+#if NeedFunctionPrototypes
+ pointer /* data */,
+ XID /* id */
+#endif
+ );
+static void SendShapeNotify(
+#if NeedFunctionPrototypes
+ WindowPtr /* pWin */,
+ int /* which */
+#endif
+ );
+static void ShapeResetProc(
+#if NeedFunctionPrototypes
+ ExtensionEntry * /* extEntry */
+#endif
+ );
+static void SShapeNotifyEvent(
+#if NeedFunctionPrototypes
+ xShapeNotifyEvent * /* from */,
+ xShapeNotifyEvent * /* to */
+#endif
+ );
+static int
+RegionOperate (
+#if NeedFunctionPrototypes
+ ClientPtr /* client */,
+ WindowPtr /* pWin */,
+ int /* kind */,
+ RegionPtr * /* destRgnp */,
+ RegionPtr /* srcRgn */,
+ int /* op */,
+ int /* xoff */,
+ int /* yoff */,
+ CreateDftPtr /* create */
+#endif
+ );
+
+#if NeedFunctionPrototypes
+#define CREATE_PROC(func) RegionPtr func(WindowPtr /* pWin */)
+#else
+#define CREATE_PROC(func) RegionPtr func(/* WindowPtr pWin */)
+#endif
+
+static CREATE_PROC(CreateBoundingShape);
+static CREATE_PROC(CreateClipShape);
+
+#undef CREATE_PROC
+
+static DISPATCH_PROC(ProcShapeCombine);
+static DISPATCH_PROC(ProcShapeDispatch);
+static DISPATCH_PROC(ProcShapeGetRectangles);
+static DISPATCH_PROC(ProcShapeInputSelected);
+static DISPATCH_PROC(ProcShapeMask);
+static DISPATCH_PROC(ProcShapeOffset);
+static DISPATCH_PROC(ProcShapeQueryExtents);
+static DISPATCH_PROC(ProcShapeQueryVersion);
+static DISPATCH_PROC(ProcShapeRectangles);
+static DISPATCH_PROC(ProcShapeSelectInput);
+static DISPATCH_PROC(SProcShapeCombine);
+static DISPATCH_PROC(SProcShapeDispatch);
+static DISPATCH_PROC(SProcShapeGetRectangles);
+static DISPATCH_PROC(SProcShapeInputSelected);
+static DISPATCH_PROC(SProcShapeMask);
+static DISPATCH_PROC(SProcShapeOffset);
+static DISPATCH_PROC(SProcShapeQueryExtents);
+static DISPATCH_PROC(SProcShapeQueryVersion);
+static DISPATCH_PROC(SProcShapeRectangles);
+static DISPATCH_PROC(SProcShapeSelectInput);
+
+static unsigned char ShapeReqCode = 0;
+static int ShapeEventBase = 0;
+static RESTYPE ClientType, EventType; /* resource types for event masks */
+
+/*
+ * 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;
+ XID clientResource;
+} ShapeEventRec;
+
+/****************
+ * ShapeExtensionInit
+ *
+ * Called from InitExtensions in main() or from QueryExtension() if the
+ * extension is dynamically loaded.
+ *
+ ****************/
+
+void
+ShapeExtensionInit()
+{
+ ExtensionEntry *extEntry;
+
+ ClientType = CreateNewResourceType(ShapeFreeClient);
+ EventType = CreateNewResourceType(ShapeFreeEvents);
+ if (ClientType && EventType &&
+ (extEntry = AddExtension(SHAPENAME, ShapeNumberEvents, 0,
+ ProcShapeDispatch, SProcShapeDispatch,
+ ShapeResetProc, StandardMinorOpcode)))
+ {
+ ShapeReqCode = (unsigned char)extEntry->base;
+ ShapeEventBase = extEntry->eventBase;
+ EventSwapVector[ShapeEventBase] = (EventSwapPtr) SShapeNotifyEvent;
+ }
+}
+
+/*ARGSUSED*/
+static void
+ShapeResetProc (extEntry)
+ExtensionEntry *extEntry;
+{
+}
+
+static int
+RegionOperate (client, pWin, kind, destRgnp, srcRgn, op, xoff, yoff, create)
+ ClientPtr client;
+ WindowPtr pWin;
+ int kind;
+ RegionPtr *destRgnp, srcRgn;
+ int op;
+ int xoff, yoff;
+ CreateDftPtr create; /* creates a reasonable *destRgnp */
+{
+ ScreenPtr pScreen = pWin->drawable.pScreen;
+
+ if (srcRgn && (xoff || yoff))
+ REGION_TRANSLATE(pScreen, srcRgn, xoff, yoff);
+ if (!pWin->parent)
+ {
+ if (srcRgn)
+ REGION_DESTROY(pScreen, srcRgn);
+ return Success;
+ }
+ switch (op) {
+ case ShapeSet:
+ if (*destRgnp)
+ REGION_DESTROY(pScreen, *destRgnp);
+ *destRgnp = srcRgn;
+ srcRgn = 0;
+ break;
+ case ShapeUnion:
+ if (*destRgnp && srcRgn)
+ REGION_UNION(pScreen, *destRgnp, *destRgnp, srcRgn);
+ break;
+ case ShapeIntersect:
+ if (*destRgnp && srcRgn)
+ REGION_INTERSECT(pScreen, *destRgnp, *destRgnp, srcRgn);
+ else {
+ *destRgnp = srcRgn;
+ srcRgn = 0;
+ }
+ break;
+ case ShapeSubtract:
+ if (!*destRgnp)
+ *destRgnp = (*create)(pWin);
+ if (srcRgn)
+ REGION_SUBTRACT(pScreen, *destRgnp, *destRgnp, srcRgn);
+ break;
+ case ShapeInvert:
+ if (!*destRgnp)
+ *destRgnp = REGION_CREATE(pScreen, (BoxPtr) 0, 0);
+ else if (srcRgn)
+ REGION_SUBTRACT(pScreen, *destRgnp, srcRgn, *destRgnp);
+ break;
+ default:
+ client->errorValue = op;
+ return BadValue;
+ }
+ if (srcRgn)
+ REGION_DESTROY(pScreen, srcRgn);
+ (*pScreen->SetShape) (pWin);
+ SendShapeNotify (pWin, kind);
+ return Success;
+}
+
+static RegionPtr
+CreateBoundingShape (pWin)
+ 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 REGION_CREATE(pWin->drawable.pScreen, &extents, 1);
+}
+
+static RegionPtr
+CreateClipShape (pWin)
+ WindowPtr pWin;
+{
+ BoxRec extents;
+
+ extents.x1 = 0;
+ extents.y1 = 0;
+ extents.x2 = pWin->drawable.width;
+ extents.y2 = pWin->drawable.height;
+ return REGION_CREATE(pWin->drawable.pScreen, &extents, 1);
+}
+
+static int
+ProcShapeQueryVersion (client)
+ register ClientPtr client;
+{
+ xShapeQueryVersionReply rep;
+ register int n;
+
+ REQUEST_SIZE_MATCH (xShapeQueryVersionReq);
+ rep.type = X_Reply;
+ rep.length = 0;
+ rep.sequenceNumber = client->sequence;
+ rep.majorVersion = SHAPE_MAJOR_VERSION;
+ rep.minorVersion = SHAPE_MINOR_VERSION;
+ if (client->swapped) {
+ swaps(&rep.sequenceNumber, n);
+ swapl(&rep.length, n);
+ swaps(&rep.majorVersion, n);
+ swaps(&rep.minorVersion, n);
+ }
+ WriteToClient(client, sizeof (xShapeQueryVersionReply), (char *)&rep);
+ return (client->noClientException);
+}
+
+/*****************
+ * ProcShapeRectangles
+ *
+ *****************/
+
+static int
+ProcShapeRectangles (client)
+ register ClientPtr client;
+{
+ WindowPtr pWin;
+ ScreenPtr pScreen;
+ REQUEST(xShapeRectanglesReq);
+ xRectangle *prects;
+ int nrects, ctype;
+ RegionPtr srcRgn;
+ RegionPtr *destRgn;
+ CreateDftPtr createDefault;
+ int destBounding;
+
+ REQUEST_AT_LEAST_SIZE (xShapeRectanglesReq);
+ UpdateCurrentTime();
+ pWin = LookupWindow (stuff->dest, client);
+ if (!pWin)
+ return BadWindow;
+ switch (stuff->destKind) {
+ case ShapeBounding:
+ destBounding = 1;
+ createDefault = CreateBoundingShape;
+ break;
+ case ShapeClip:
+ destBounding = 0;
+ createDefault = CreateClipShape;
+ 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;
+ }
+ pScreen = pWin->drawable.pScreen;
+ nrects = ((stuff->length << 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 = RECTS_TO_REGION(pScreen, nrects, prects, ctype);
+
+ if (!pWin->optional)
+ MakeWindowOptional (pWin);
+ if (destBounding)
+ destRgn = &pWin->optional->boundingShape;
+ else
+ destRgn = &pWin->optional->clipShape;
+
+ return RegionOperate (client, pWin, (int)stuff->destKind,
+ destRgn, srcRgn, (int)stuff->op,
+ stuff->xOff, stuff->yOff, createDefault);
+}
+
+/**************
+ * ProcShapeMask
+ **************/
+
+static int
+ProcShapeMask (client)
+ register ClientPtr client;
+{
+ WindowPtr pWin;
+ ScreenPtr pScreen;
+ REQUEST(xShapeMaskReq);
+ RegionPtr srcRgn;
+ RegionPtr *destRgn;
+ PixmapPtr pPixmap;
+ CreateDftPtr createDefault;
+ int destBounding;
+
+ REQUEST_SIZE_MATCH (xShapeMaskReq);
+ UpdateCurrentTime();
+ pWin = SecurityLookupWindow (stuff->dest, client, SecurityWriteAccess);
+ if (!pWin)
+ return BadWindow;
+ switch (stuff->destKind) {
+ case ShapeBounding:
+ destBounding = 1;
+ createDefault = CreateBoundingShape;
+ break;
+ case ShapeClip:
+ destBounding = 0;
+ createDefault = CreateClipShape;
+ break;
+ default:
+ client->errorValue = stuff->destKind;
+ return BadValue;
+ }
+ pScreen = pWin->drawable.pScreen;
+ if (stuff->src == None)
+ srcRgn = 0;
+ else {
+ pPixmap = (PixmapPtr) SecurityLookupIDByType(client, stuff->src,
+ RT_PIXMAP, SecurityReadAccess);
+ if (!pPixmap)
+ return BadPixmap;
+ if (pPixmap->drawable.pScreen != pScreen ||
+ pPixmap->drawable.depth != 1)
+ return BadMatch;
+ srcRgn = BITMAP_TO_REGION(pScreen, pPixmap);
+ if (!srcRgn)
+ return BadAlloc;
+ }
+
+ if (!pWin->optional)
+ MakeWindowOptional (pWin);
+ if (destBounding)
+ destRgn = &pWin->optional->boundingShape;
+ else
+ destRgn = &pWin->optional->clipShape;
+
+ return RegionOperate (client, pWin, (int)stuff->destKind,
+ destRgn, srcRgn, (int)stuff->op,
+ stuff->xOff, stuff->yOff, createDefault);
+}
+
+/************
+ * ProcShapeCombine
+ ************/
+
+static int
+ProcShapeCombine (client)
+ register ClientPtr client;
+{
+ WindowPtr pSrcWin, pDestWin;
+ ScreenPtr pScreen;
+ REQUEST(xShapeCombineReq);
+ RegionPtr srcRgn;
+ RegionPtr *destRgn;
+ CreateDftPtr createDefault;
+ CreateDftPtr createSrc;
+ RegionPtr tmp;
+ int destBounding;
+
+ REQUEST_SIZE_MATCH (xShapeCombineReq);
+ UpdateCurrentTime();
+ pDestWin = LookupWindow (stuff->dest, client);
+ if (!pDestWin)
+ return BadWindow;
+ if (!pDestWin->optional)
+ MakeWindowOptional (pDestWin);
+ switch (stuff->destKind) {
+ case ShapeBounding:
+ destBounding = 1;
+ createDefault = CreateBoundingShape;
+ break;
+ case ShapeClip:
+ destBounding = 0;
+ createDefault = CreateClipShape;
+ break;
+ default:
+ client->errorValue = stuff->destKind;
+ return BadValue;
+ }
+ pScreen = pDestWin->drawable.pScreen;
+
+ pSrcWin = LookupWindow (stuff->src, client);
+ if (!pSrcWin)
+ return BadWindow;
+ switch (stuff->srcKind) {
+ case ShapeBounding:
+ srcRgn = wBoundingShape (pSrcWin);
+ createSrc = CreateBoundingShape;
+ break;
+ case ShapeClip:
+ srcRgn = wClipShape (pSrcWin);
+ createSrc = CreateClipShape;
+ break;
+ default:
+ client->errorValue = stuff->srcKind;
+ return BadValue;
+ }
+ if (pSrcWin->drawable.pScreen != pScreen)
+ {
+ return BadMatch;
+ }
+
+ if (srcRgn) {
+ tmp = REGION_CREATE(pScreen, (BoxPtr) 0, 0);
+ REGION_COPY(pScreen, tmp, srcRgn);
+ srcRgn = tmp;
+ } else
+ srcRgn = (*createSrc) (pSrcWin);
+
+ if (!pDestWin->optional)
+ MakeWindowOptional (pDestWin);
+ if (destBounding)
+ destRgn = &pDestWin->optional->boundingShape;
+ else
+ destRgn = &pDestWin->optional->clipShape;
+
+ return RegionOperate (client, pDestWin, (int)stuff->destKind,
+ destRgn, srcRgn, (int)stuff->op,
+ stuff->xOff, stuff->yOff, createDefault);
+}
+
+/*************
+ * ProcShapeOffset
+ *************/
+
+static int
+ProcShapeOffset (client)
+ register ClientPtr client;
+{
+ WindowPtr pWin;
+ ScreenPtr pScreen;
+ REQUEST(xShapeOffsetReq);
+ RegionPtr srcRgn;
+
+ REQUEST_SIZE_MATCH (xShapeOffsetReq);
+ UpdateCurrentTime();
+ pWin = LookupWindow (stuff->dest, client);
+ if (!pWin)
+ return BadWindow;
+ switch (stuff->destKind) {
+ case ShapeBounding:
+ srcRgn = wBoundingShape (pWin);
+ break;
+ case ShapeClip:
+ srcRgn = wClipShape(pWin);
+ break;
+ default:
+ client->errorValue = stuff->destKind;
+ return BadValue;
+ }
+ pScreen = pWin->drawable.pScreen;
+ if (srcRgn)
+ {
+ REGION_TRANSLATE(pScreen, srcRgn, stuff->xOff, stuff->yOff);
+ (*pScreen->SetShape) (pWin);
+ }
+ SendShapeNotify (pWin, (int)stuff->destKind);
+ return Success;
+}
+
+static int
+ProcShapeQueryExtents (client)
+ register ClientPtr client;
+{
+ REQUEST(xShapeQueryExtentsReq);
+ WindowPtr pWin;
+ xShapeQueryExtentsReply rep;
+ BoxRec extents, *pExtents;
+ register int n;
+
+ REQUEST_SIZE_MATCH (xShapeQueryExtentsReq);
+ pWin = LookupWindow (stuff->window, client);
+ if (!pWin)
+ return BadWindow;
+ rep.type = X_Reply;
+ rep.length = 0;
+ rep.sequenceNumber = client->sequence;
+ rep.boundingShaped = (wBoundingShape(pWin) != 0);
+ rep.clipShaped = (wClipShape(pWin) != 0);
+ if (wBoundingShape(pWin)) {
+ /* this is done in two steps because of a compiler bug on SunOS 4.1.3 */
+ pExtents = REGION_EXTENTS(pWin->drawable.pScreen, wBoundingShape(pWin));
+ 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 (wClipShape(pWin)) {
+ /* this is done in two steps because of a compiler bug on SunOS 4.1.3 */
+ pExtents = REGION_EXTENTS(pWin->drawable.pScreen, wClipShape(pWin));
+ 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, n);
+ swapl(&rep.length, n);
+ swaps(&rep.xBoundingShape, n);
+ swaps(&rep.yBoundingShape, n);
+ swaps(&rep.widthBoundingShape, n);
+ swaps(&rep.heightBoundingShape, n);
+ swaps(&rep.xClipShape, n);
+ swaps(&rep.yClipShape, n);
+ swaps(&rep.widthClipShape, n);
+ swaps(&rep.heightClipShape, n);
+ }
+ WriteToClient(client, sizeof (xShapeQueryExtentsReply), (char *)&rep);
+ return (client->noClientException);
+}
+
+/*ARGSUSED*/
+static int
+ShapeFreeClient (data, id)
+ pointer data;
+ XID id;
+{
+ ShapeEventPtr pShapeEvent;
+ WindowPtr pWin;
+ ShapeEventPtr *pHead, pCur, pPrev;
+
+ pShapeEvent = (ShapeEventPtr) data;
+ pWin = pShapeEvent->window;
+ pHead = (ShapeEventPtr *) LookupIDByType(pWin->drawable.id, EventType);
+ if (pHead) {
+ pPrev = 0;
+ for (pCur = *pHead; pCur && pCur != pShapeEvent; pCur=pCur->next)
+ pPrev = pCur;
+ if (pCur)
+ {
+ if (pPrev)
+ pPrev->next = pShapeEvent->next;
+ else
+ *pHead = pShapeEvent->next;
+ }
+ }
+ xfree ((pointer) pShapeEvent);
+ return Success;
+}
+
+/*ARGSUSED*/
+static int
+ShapeFreeEvents (data, id)
+ pointer data;
+ XID id;
+{
+ ShapeEventPtr *pHead, pCur, pNext;
+
+ pHead = (ShapeEventPtr *) data;
+ for (pCur = *pHead; pCur; pCur = pNext) {
+ pNext = pCur->next;
+ FreeResource (pCur->clientResource, ClientType);
+ xfree ((pointer) pCur);
+ }
+ xfree ((pointer) pHead);
+ return Success;
+}
+
+static int
+ProcShapeSelectInput (client)
+ register ClientPtr client;
+{
+ REQUEST(xShapeSelectInputReq);
+ WindowPtr pWin;
+ ShapeEventPtr pShapeEvent, pNewShapeEvent, *pHead;
+ XID clientResource;
+
+ REQUEST_SIZE_MATCH (xShapeSelectInputReq);
+ pWin = SecurityLookupWindow (stuff->window, client, SecurityWriteAccess);
+ if (!pWin)
+ return BadWindow;
+ pHead = (ShapeEventPtr *)SecurityLookupIDByType(client,
+ pWin->drawable.id, EventType, SecurityWriteAccess);
+ switch (stuff->enable) {
+ case xTrue:
+ if (pHead) {
+
+ /* check for existing entry. */
+ for (pShapeEvent = *pHead;
+ pShapeEvent;
+ pShapeEvent = pShapeEvent->next)
+ {
+ if (pShapeEvent->client == client)
+ return Success;
+ }
+ }
+
+ /* build the entry */
+ pNewShapeEvent = (ShapeEventPtr)
+ xalloc (sizeof (ShapeEventRec));
+ if (!pNewShapeEvent)
+ return BadAlloc;
+ pNewShapeEvent->next = 0;
+ pNewShapeEvent->client = client;
+ pNewShapeEvent->window = pWin;
+ /*
+ * add a resource that will be deleted when
+ * the client goes away
+ */
+ clientResource = FakeClientID (client->index);
+ pNewShapeEvent->clientResource = clientResource;
+ if (!AddResource (clientResource, ClientType, (pointer)pNewShapeEvent))
+ return BadAlloc;
+ /*
+ * create a resource to contain a pointer to the list
+ * of clients selecting input. This must be indirect as
+ * the list may be arbitrarily rearranged which cannot be
+ * done through the resource database.
+ */
+ if (!pHead)
+ {
+ pHead = (ShapeEventPtr *) xalloc (sizeof (ShapeEventPtr));
+ if (!pHead ||
+ !AddResource (pWin->drawable.id, EventType, (pointer)pHead))
+ {
+ FreeResource (clientResource, RT_NONE);
+ return BadAlloc;
+ }
+ *pHead = 0;
+ }
+ pNewShapeEvent->next = *pHead;
+ *pHead = pNewShapeEvent;
+ break;
+ case xFalse:
+ /* delete the interest */
+ if (pHead) {
+ pNewShapeEvent = 0;
+ for (pShapeEvent = *pHead; pShapeEvent; pShapeEvent = pShapeEvent->next) {
+ if (pShapeEvent->client == client)
+ break;
+ pNewShapeEvent = pShapeEvent;
+ }
+ if (pShapeEvent) {
+ FreeResource (pShapeEvent->clientResource, ClientType);
+ if (pNewShapeEvent)
+ pNewShapeEvent->next = pShapeEvent->next;
+ else
+ *pHead = pShapeEvent->next;
+ xfree (pShapeEvent);
+ }
+ }
+ break;
+ default:
+ client->errorValue = stuff->enable;
+ return BadValue;
+ }
+ return Success;
+}
+
+/*
+ * deliver the event
+ */
+
+static void
+SendShapeNotify (pWin, which)
+ WindowPtr pWin;
+ int which;
+{
+ ShapeEventPtr *pHead, pShapeEvent;
+ ClientPtr client;
+ xShapeNotifyEvent se;
+ BoxRec extents;
+ RegionPtr region;
+ BYTE shaped;
+
+ pHead = (ShapeEventPtr *) LookupIDByType(pWin->drawable.id, EventType);
+ if (!pHead)
+ return;
+ if (which == ShapeBounding) {
+ region = wBoundingShape(pWin);
+ if (region) {
+ extents = *REGION_EXTENTS(pWin->drawable.pScreen, 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;
+ }
+ } else {
+ region = wClipShape(pWin);
+ if (region) {
+ extents = *REGION_EXTENTS(pWin->drawable.pScreen, region);
+ shaped = xTrue;
+ } else {
+ extents.x1 = 0;
+ extents.y1 = 0;
+ extents.x2 = pWin->drawable.width;
+ extents.y2 = pWin->drawable.height;
+ shaped = xFalse;
+ }
+ }
+ for (pShapeEvent = *pHead; pShapeEvent; pShapeEvent = pShapeEvent->next) {
+ client = pShapeEvent->client;
+ if (client == serverClient || client->clientGone)
+ continue;
+ se.type = ShapeNotify + ShapeEventBase;
+ se.kind = which;
+ se.window = pWin->drawable.id;
+ se.sequenceNumber = client->sequence;
+ 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 (client, 1, (xEvent *) &se);
+ }
+}
+
+static int
+ProcShapeInputSelected (client)
+ register ClientPtr client;
+{
+ REQUEST(xShapeInputSelectedReq);
+ WindowPtr pWin;
+ ShapeEventPtr pShapeEvent, *pHead;
+ int enabled;
+ xShapeInputSelectedReply rep;
+ register int n;
+
+ REQUEST_SIZE_MATCH (xShapeInputSelectedReq);
+ pWin = LookupWindow (stuff->window, client);
+ if (!pWin)
+ return BadWindow;
+ pHead = (ShapeEventPtr *) SecurityLookupIDByType(client,
+ pWin->drawable.id, EventType, SecurityReadAccess);
+ enabled = xFalse;
+ if (pHead) {
+ for (pShapeEvent = *pHead;
+ pShapeEvent;
+ pShapeEvent = pShapeEvent->next)
+ {
+ if (pShapeEvent->client == client) {
+ enabled = xTrue;
+ break;
+ }
+ }
+ }
+ rep.type = X_Reply;
+ rep.length = 0;
+ rep.sequenceNumber = client->sequence;
+ rep.enabled = enabled;
+ if (client->swapped) {
+ swaps (&rep.sequenceNumber, n);
+ swapl (&rep.length, n);
+ }
+ WriteToClient (client, sizeof (xShapeInputSelectedReply), (char *) &rep);
+ return (client->noClientException);
+}
+
+static int
+ProcShapeGetRectangles (client)
+ register ClientPtr client;
+{
+ REQUEST(xShapeGetRectanglesReq);
+ WindowPtr pWin;
+ xShapeGetRectanglesReply rep;
+ xRectangle *rects;
+ int nrects, i;
+ RegionPtr region;
+ register int n;
+
+ REQUEST_SIZE_MATCH(xShapeGetRectanglesReq);
+ pWin = LookupWindow (stuff->window, client);
+ if (!pWin)
+ return BadWindow;
+ switch (stuff->kind) {
+ case ShapeBounding:
+ region = wBoundingShape(pWin);
+ break;
+ case ShapeClip:
+ region = wClipShape(pWin);
+ break;
+ default:
+ client->errorValue = stuff->kind;
+ return BadValue;
+ }
+ if (!region) {
+ nrects = 1;
+ rects = (xRectangle *) ALLOCATE_LOCAL (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;
+ }
+ } else {
+ BoxPtr box;
+ nrects = REGION_NUM_RECTS(region);
+ box = REGION_RECTS(region);
+ rects = (xRectangle *) ALLOCATE_LOCAL (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 = (nrects * sizeof (xRectangle)) >> 2;
+ rep.ordering = YXBanded;
+ rep.nrects = nrects;
+ if (client->swapped) {
+ swaps (&rep.sequenceNumber, n);
+ swapl (&rep.length, n);
+ swapl (&rep.nrects, n);
+ SwapShorts ((short *)rects, (unsigned long)nrects * 4);
+ }
+ WriteToClient (client, sizeof (rep), (char *) &rep);
+ WriteToClient (client, nrects * sizeof (xRectangle), (char *) rects);
+ DEALLOCATE_LOCAL (rects);
+ return client->noClientException;
+}
+
+static int
+ProcShapeDispatch (client)
+ register 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
+SShapeNotifyEvent(from, to)
+ xShapeNotifyEvent *from, *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 int
+SProcShapeQueryVersion (client)
+ register ClientPtr client;
+{
+ register int n;
+ REQUEST (xShapeQueryVersionReq);
+
+ swaps (&stuff->length, n);
+ return ProcShapeQueryVersion (client);
+}
+
+static int
+SProcShapeRectangles (client)
+ register ClientPtr client;
+{
+ register char n;
+ REQUEST (xShapeRectanglesReq);
+
+ swaps (&stuff->length, n);
+ REQUEST_AT_LEAST_SIZE (xShapeRectanglesReq);
+ swapl (&stuff->dest, n);
+ swaps (&stuff->xOff, n);
+ swaps (&stuff->yOff, n);
+ SwapRestS(stuff);
+ return ProcShapeRectangles (client);
+}
+
+static int
+SProcShapeMask (client)
+ register ClientPtr client;
+{
+ register char n;
+ REQUEST (xShapeMaskReq);
+
+ swaps (&stuff->length, n);
+ REQUEST_SIZE_MATCH (xShapeMaskReq);
+ swapl (&stuff->dest, n);
+ swaps (&stuff->xOff, n);
+ swaps (&stuff->yOff, n);
+ swapl (&stuff->src, n);
+ return ProcShapeMask (client);
+}
+
+static int
+SProcShapeCombine (client)
+ register ClientPtr client;
+{
+ register char n;
+ REQUEST (xShapeCombineReq);
+
+ swaps (&stuff->length, n);
+ REQUEST_SIZE_MATCH (xShapeCombineReq);
+ swapl (&stuff->dest, n);
+ swaps (&stuff->xOff, n);
+ swaps (&stuff->yOff, n);
+ swapl (&stuff->src, n);
+ return ProcShapeCombine (client);
+}
+
+static int
+SProcShapeOffset (client)
+ register ClientPtr client;
+{
+ register char n;
+ REQUEST (xShapeOffsetReq);
+
+ swaps (&stuff->length, n);
+ REQUEST_SIZE_MATCH (xShapeOffsetReq);
+ swapl (&stuff->dest, n);
+ swaps (&stuff->xOff, n);
+ swaps (&stuff->yOff, n);
+ return ProcShapeOffset (client);
+}
+
+static int
+SProcShapeQueryExtents (client)
+ register ClientPtr client;
+{
+ register char n;
+ REQUEST (xShapeQueryExtentsReq);
+
+ swaps (&stuff->length, n);
+ REQUEST_SIZE_MATCH (xShapeQueryExtentsReq);
+ swapl (&stuff->window, n);
+ return ProcShapeQueryExtents (client);
+}
+
+static int
+SProcShapeSelectInput (client)
+ register ClientPtr client;
+{
+ register char n;
+ REQUEST (xShapeSelectInputReq);
+
+ swaps (&stuff->length, n);
+ REQUEST_SIZE_MATCH (xShapeSelectInputReq);
+ swapl (&stuff->window, n);
+ return ProcShapeSelectInput (client);
+}
+
+static int
+SProcShapeInputSelected (client)
+ register ClientPtr client;
+{
+ register int n;
+ REQUEST (xShapeInputSelectedReq);
+
+ swaps (&stuff->length, n);
+ REQUEST_SIZE_MATCH (xShapeInputSelectedReq);
+ swapl (&stuff->window, n);
+ return ProcShapeInputSelected (client);
+}
+
+static int
+SProcShapeGetRectangles (client)
+ register ClientPtr client;
+{
+ REQUEST(xShapeGetRectanglesReq);
+ register char n;
+
+ swaps (&stuff->length, n);
+ REQUEST_SIZE_MATCH(xShapeGetRectanglesReq);
+ swapl (&stuff->window, n);
+ return ProcShapeGetRectangles (client);
+}
+
+static int
+SProcShapeDispatch (client)
+ register ClientPtr client;
+{
+ REQUEST(xReq);
+ switch (stuff->data) {
+ case X_ShapeQueryVersion:
+ return SProcShapeQueryVersion (client);
+ case X_ShapeRectangles:
+ return SProcShapeRectangles (client);
+ case X_ShapeMask:
+ return SProcShapeMask (client);
+ case X_ShapeCombine:
+ return SProcShapeCombine (client);
+ case X_ShapeOffset:
+ return SProcShapeOffset (client);
+ case X_ShapeQueryExtents:
+ return SProcShapeQueryExtents (client);
+ case X_ShapeSelectInput:
+ return SProcShapeSelectInput (client);
+ case X_ShapeInputSelected:
+ return SProcShapeInputSelected (client);
+ case X_ShapeGetRectangles:
+ return SProcShapeGetRectangles (client);
+ default:
+ return BadRequest;
+ }
+}
projects / rdpsrv / blobdiff