Edit
IABSD.fr/xenocara/xserver/Xext/shape.c
matthieu
- xserver/Xext/shape.c
-
/************************************************************ 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. ********************************************************/ #define NEED_REPLIES #define NEED_EVENTS #ifdef HAVE_DIX_CONFIG_H #include <dix-config.h> #endif #include <stdlib.h> #include <X11/X.h> #include <X11/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 <X11/extensions/shapestr.h> #include "regionstr.h" #include "gcstruct.h" #include "modinit.h" typedef RegionPtr (*CreateDftPtr)( WindowPtr /* pWin */ ); static int ShapeFreeClient( pointer /* data */, XID /* id */ ); static int ShapeFreeEvents( pointer /* data */, XID /* id */ ); static void ShapeResetProc( ExtensionEntry * /* extEntry */ ); static void SShapeNotifyEvent( xShapeNotifyEvent * /* from */, xShapeNotifyEvent * /* to */ ); static int RegionOperate ( ClientPtr /* client */, WindowPtr /* pWin */, int /* kind */, RegionPtr * /* destRgnp */, RegionPtr /* srcRgn */, int /* op */, int /* xoff */, int /* yoff */, CreateDftPtr /* create */ ); /* SendShapeNotify, CreateBoundingShape and CreateClipShape are used * externally by the Xfixes extension and are now defined in window.h */ 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); #ifdef PANORAMIX #include "panoramiX.h" #include "panoramiXsrv.h" #endif #if 0 static unsigned char ShapeReqCode = 0; #endif 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(void) { ExtensionEntry *extEntry; ClientType = CreateNewResourceType(ShapeFreeClient); EventType = CreateNewResourceType(ShapeFreeEvents); if (ClientType && EventType && (extEntry = AddExtension(SHAPENAME, ShapeNumberEvents, 0, ProcShapeDispatch, SProcShapeDispatch, ShapeResetProc, StandardMinorOpcode))) { #if 0 ShapeReqCode = (unsigned char)extEntry->base; #endif 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; } /* 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) { REGION_DESTROY (pScreen, *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) REGION_DESTROY(pScreen, *destRgnp); *destRgnp = srcRgn; srcRgn = 0; break; case ShapeUnion: if (*destRgnp) REGION_UNION(pScreen, *destRgnp, *destRgnp, srcRgn); break; case ShapeIntersect: if (*destRgnp) REGION_INTERSECT(pScreen, *destRgnp, *destRgnp, srcRgn); else { *destRgnp = srcRgn; srcRgn = 0; } break; case ShapeSubtract: if (!*destRgnp) *destRgnp = (*create)(pWin); REGION_SUBTRACT(pScreen, *destRgnp, *destRgnp, srcRgn); break; case ShapeInvert: if (!*destRgnp) *destRgnp = REGION_CREATE(pScreen, (BoxPtr) 0, 0); else 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; } 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); } 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, rc; RegionPtr srcRgn; RegionPtr *destRgn; CreateDftPtr createDefault; REQUEST_AT_LEAST_SIZE (xShapeRectanglesReq); UpdateCurrentTime(); rc = dixLookupWindow(&pWin, stuff->dest, client, DixUnknownAccess); 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; } 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); 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); } #ifdef PANORAMIX static int ProcPanoramiXShapeRectangles( register ClientPtr client) { REQUEST(xShapeRectanglesReq); PanoramiXRes *win; int j, result = 0; REQUEST_AT_LEAST_SIZE (xShapeRectanglesReq); if(!(win = (PanoramiXRes *)SecurityLookupIDByType( client, stuff->dest, XRT_WINDOW, DixWriteAccess))) return BadWindow; FOR_NSCREENS(j) { stuff->dest = win->info[j].id; result = ProcShapeRectangles (client); BREAK_IF(result != Success); } return (result); } #endif /************** * ProcShapeMask **************/ static int ProcShapeMask (client) register ClientPtr client; { WindowPtr pWin; ScreenPtr pScreen; REQUEST(xShapeMaskReq); RegionPtr srcRgn; RegionPtr *destRgn; PixmapPtr pPixmap; CreateDftPtr createDefault; int rc; REQUEST_SIZE_MATCH (xShapeMaskReq); UpdateCurrentTime(); rc = dixLookupWindow(&pWin, stuff->dest, client, DixWriteAccess); 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 { pPixmap = (PixmapPtr) SecurityLookupIDByType(client, stuff->src, RT_PIXMAP, DixReadAccess); 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); 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); } #ifdef PANORAMIX static int ProcPanoramiXShapeMask( register ClientPtr client) { REQUEST(xShapeMaskReq); PanoramiXRes *win, *pmap; int j, result = 0; REQUEST_SIZE_MATCH (xShapeMaskReq); if(!(win = (PanoramiXRes *)SecurityLookupIDByType( client, stuff->dest, XRT_WINDOW, DixWriteAccess))) return BadWindow; if(stuff->src != None) { if(!(pmap = (PanoramiXRes *)SecurityLookupIDByType( client, stuff->src, XRT_PIXMAP, DixReadAccess))) return BadPixmap; } else pmap = NULL; FOR_NSCREENS(j) { stuff->dest = win->info[j].id; if(pmap) stuff->src = pmap->info[j].id; result = ProcShapeMask (client); BREAK_IF(result != Success); } return (result); } #endif /************ * 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 rc; REQUEST_SIZE_MATCH (xShapeCombineReq); UpdateCurrentTime(); rc = dixLookupWindow(&pDestWin, stuff->dest, client, DixUnknownAccess); 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; } pScreen = pDestWin->drawable.pScreen; rc = dixLookupWindow(&pSrcWin, stuff->src, client, DixUnknownAccess); 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 != 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); 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); } #ifdef PANORAMIX static int ProcPanoramiXShapeCombine( register ClientPtr client) { REQUEST(xShapeCombineReq); PanoramiXRes *win, *win2; int j, result = 0; REQUEST_AT_LEAST_SIZE (xShapeCombineReq); if(!(win = (PanoramiXRes *)SecurityLookupIDByType( client, stuff->dest, XRT_WINDOW, DixWriteAccess))) return BadWindow; if(!(win2 = (PanoramiXRes *)SecurityLookupIDByType( client, stuff->src, XRT_WINDOW, DixReadAccess))) return BadWindow; FOR_NSCREENS(j) { stuff->dest = win->info[j].id; stuff->src = win2->info[j].id; result = ProcShapeCombine (client); BREAK_IF(result != Success); } return (result); } #endif /************* * ProcShapeOffset *************/ static int ProcShapeOffset (client) register ClientPtr client; { WindowPtr pWin; ScreenPtr pScreen; REQUEST(xShapeOffsetReq); RegionPtr srcRgn; int rc; REQUEST_SIZE_MATCH (xShapeOffsetReq); UpdateCurrentTime(); rc = dixLookupWindow(&pWin, stuff->dest, client, DixUnknownAccess); 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; } pScreen = pWin->drawable.pScreen; if (srcRgn) { REGION_TRANSLATE(pScreen, srcRgn, stuff->xOff, stuff->yOff); (*pScreen->SetShape) (pWin); } SendShapeNotify (pWin, (int)stuff->destKind); return Success; } #ifdef PANORAMIX static int ProcPanoramiXShapeOffset( register ClientPtr client) { REQUEST(xShapeOffsetReq); PanoramiXRes *win; int j, result = 0; REQUEST_AT_LEAST_SIZE (xShapeOffsetReq); if(!(win = (PanoramiXRes *)SecurityLookupIDByType( client, stuff->dest, XRT_WINDOW, DixWriteAccess))) return BadWindow; FOR_NSCREENS(j) { stuff->dest = win->info[j].id; result = ProcShapeOffset (client); if(result != Success) break; } return (result); } #endif static int ProcShapeQueryExtents (client) register ClientPtr client; { REQUEST(xShapeQueryExtentsReq); WindowPtr pWin; xShapeQueryExtentsReply rep; BoxRec extents, *pExtents; register int n, rc; RegionPtr region; REQUEST_SIZE_MATCH (xShapeQueryExtentsReq); rc = dixLookupWindow(&pWin, stuff->window, client, DixUnknownAccess); if (rc != Success) return rc; 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 = REGION_EXTENTS(pWin->drawable.pScreen, 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 = REGION_EXTENTS(pWin->drawable.pScreen, 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, 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 1; } /*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 1; } static int ProcShapeSelectInput (client) register ClientPtr client; { REQUEST(xShapeSelectInputReq); WindowPtr pWin; ShapeEventPtr pShapeEvent, pNewShapeEvent, *pHead; XID clientResource; int rc; REQUEST_SIZE_MATCH (xShapeSelectInputReq); rc = dixLookupWindow(&pWin, stuff->window, client, DixWriteAccess); if (rc != Success) return rc; pHead = (ShapeEventPtr *)SecurityLookupIDByType(client, pWin->drawable.id, EventType, DixWriteAccess); 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 */ 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; switch (which) { case 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; } break; case ShapeClip: 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; } break; case ShapeInput: region = wInputShape(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; } break; default: return; } 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, rc; xShapeInputSelectedReply rep; register int n; REQUEST_SIZE_MATCH (xShapeInputSelectedReq); rc = dixLookupWindow(&pWin, stuff->window, client, DixUnknownAccess); if (rc != Success) return rc; pHead = (ShapeEventPtr *) SecurityLookupIDByType(client, pWin->drawable.id, EventType, DixReadAccess); 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, rc; RegionPtr region; register int n; REQUEST_SIZE_MATCH(xShapeGetRectanglesReq); rc = dixLookupWindow(&pWin, stuff->window, client, DixUnknownAccess); 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 = (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; 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 = 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: #ifdef PANORAMIX if ( !noPanoramiXExtension ) return ProcPanoramiXShapeRectangles (client); else #endif return ProcShapeRectangles (client); case X_ShapeMask: #ifdef PANORAMIX if ( !noPanoramiXExtension ) return ProcPanoramiXShapeMask (client); else #endif return ProcShapeMask (client); case X_ShapeCombine: #ifdef PANORAMIX if ( !noPanoramiXExtension ) return ProcPanoramiXShapeCombine (client); else #endif return ProcShapeCombine (client); case X_ShapeOffset: #ifdef PANORAMIX if ( !noPanoramiXExtension ) return ProcPanoramiXShapeOffset (client); else #endif 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; } }