/* $Xorg: pexRndrPick.c,v 1.3 2000/08/17 19:47:15 cpqbld Exp $ */ /************************************************************ Copyright 1992, 1998 The Open Group All Rights Reserved. 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. ******************************************************************/ /*++ * --- Renderer Picking --- * PEXBeginPickOne * PEXEndPickOne * PEXPickOne * PEXBeginPickAll * PEXEndPickAll * PEXPickAll --*/ #include "X.h" #define NEED_EVENTS #include "Xproto.h" #include "pexError.h" #include "dipex.h" #include "PEXprotost.h" #include "pex_site.h" #include "ddpex3.h" #include "ddpex4.h" #include "pexLookup.h" #ifdef min #undef min #endif #ifdef max #undef max #endif /*++ Renderer Picking ++*/ ErrorCode PEXBeginPickOne( cntxtPtr, strmPtr ) pexContext *cntxtPtr; pexBeginPickOneReq *strmPtr; { ErrorCode err = Success; ddRendererStr *prend = 0; pexPickRecord *pr = (pexPickRecord *)(strmPtr+1); ddPickPath *sIDpp; LU_RENDERER(strmPtr->rdr, prend); LU_DRAWABLE(strmPtr->drawable, prend->pDrawable); prend->drawableId = strmPtr->drawable; /* this is evil but necessary, use the pickid field of the sIDlist to store the structure ID that corresponds to the top level fake structure */ sIDpp = (ddPickPath *)(prend->pickstr.sIDlist)->pList; sIDpp->pickid = strmPtr->sid; prend->pickstr.pick_method = strmPtr->method; prend->pickstr.state = DD_PICK_ONE; prend->pickstr.server = DD_CLIENT; err = ChangePseudoPickMeasure (prend, pr); if (err) PEX_ERR_EXIT(err,0,cntxtPtr); /* This is set up to use this instead of defining a BeginPickOne */ err = BeginPicking(prend, prend->pickstr.pseudoPM); if (err) PEX_ERR_EXIT(err,0,cntxtPtr); return( err ); } /* end-PEXBeginPickOne() */ ErrorCode PEXEndPickOne( cntxtPtr, strmPtr ) pexContext *cntxtPtr; pexEndPickOneReq *strmPtr; { ErrorCode err = Success; ddRendererStr *prend = 0; extern ddBufferPtr pPEXBuffer; pexEndPickOneReply *reply = (pexEndPickOneReply*)(pPEXBuffer->pHead); LU_RENDERER(strmPtr->rdr, prend); if (prend->pickstr.state != DD_PICK_ONE) PEX_ERR_EXIT(PEX_ERROR_CODE(PEXRendererStateError),0,cntxtPtr); SETUP_INQ(pexEndPickOneReply); err = EndPickOne(prend, pPEXBuffer, &(reply->numPickElRefs), &(reply->pickStatus), &(reply->betterPick)); if (err) PEX_ERR_EXIT(err,0,cntxtPtr); err = EndPicking(prend); if (err) PEX_ERR_EXIT(err,0,cntxtPtr); { reply->length = LWORDS(pPEXBuffer->dataSize); WritePEXBufferReply(pexEndPickOneReply); } return( err ); } /* end-PEXEndPickOne() */ ErrorCode PEXPickOne( cntxtPtr, strmPtr ) pexContext *cntxtPtr; pexPickOneReq *strmPtr; { ErrorCode err = Success; extern ddBufferPtr pPEXBuffer; ddRendererStr *prend = 0; pexPickRecord *pr = (pexPickRecord *)(strmPtr+1); pexPickOneReply *reply = (pexPickOneReply*)(pPEXBuffer->pHead); /* do stuff same as BeginPickOne */ LU_RENDERER(strmPtr->rdr, prend); LU_DRAWABLE(strmPtr->drawable, prend->pDrawable); prend->drawableId = strmPtr->drawable; LU_STRUCTURE(strmPtr->sid, prend->pickstr.strHandle); prend->pickstr.pick_method = strmPtr->method; prend->pickstr.state = DD_PICK_ONE; prend->pickstr.server = DD_SERVER; err = ChangePseudoPickMeasure (prend, pr); if (err) PEX_ERR_EXIT(err,0,cntxtPtr); err = BeginPicking(prend, prend->pickstr.pseudoPM); if (err) PEX_ERR_EXIT(err,0,cntxtPtr); /* now call PickOne which does set up and calls the traverser */ err = PickOne(prend); /* now do stuff same as EndPickOne */ SETUP_INQ(pexPickOneReply); err = EndPickOne(prend, pPEXBuffer, &(reply->numPickElRefs), &(reply->pickStatus), &(reply->betterPick)); if (err) PEX_ERR_EXIT(err,0,cntxtPtr); err = EndPicking(prend); if (err) PEX_ERR_EXIT(err,0,cntxtPtr); { reply->length = LWORDS(pPEXBuffer->dataSize); WritePEXBufferReply(pexPickOneReply); } return( err ); } /* end-PEXPickOne() */ ErrorCode PEXBeginPickAll( cntxtPtr, strmPtr ) pexContext *cntxtPtr; pexBeginPickAllReq *strmPtr; { ErrorCode err = Success; ddRendererStr *prend = 0; pexPickRecord *pr = (pexPickRecord *)(strmPtr+1); ddPickPath *sIDpp; LU_RENDERER(strmPtr->rdr, prend); LU_DRAWABLE(strmPtr->drawable, prend->pDrawable); prend->drawableId = strmPtr->drawable; /* this is evil but necessary, use the pickid field of the sIDlist to store the structure ID that corresponds to the top level fake structure */ sIDpp = (ddPickPath *)(prend->pickstr.sIDlist)->pList; sIDpp->pickid = strmPtr->sid; prend->pickstr.pick_method = strmPtr->method; prend->pickstr.state = DD_PICK_ALL; prend->pickstr.server = DD_CLIENT; prend->pickstr.send_event = strmPtr->sendEvent; prend->pickstr.max_hits = strmPtr->pickMaxHits; prend->pickstr.client = cntxtPtr->client; err = ChangePseudoPickMeasure (prend, pr); if (err) PEX_ERR_EXIT(err,0,cntxtPtr); /* This is set up to use this instead of defining a BeginPickOne */ err = BeginPicking(prend, prend->pickstr.pseudoPM); if (err) PEX_ERR_EXIT(err,0,cntxtPtr); if (err) PEX_ERR_EXIT(err,0,cntxtPtr); return( err ); } /* end-PEXBeginPickAll() */ ErrorCode PEXEndPickAll( cntxtPtr, strmPtr ) pexContext *cntxtPtr; pexEndPickAllReq *strmPtr; { ErrorCode err = Success; extern ddBufferPtr pPEXBuffer; ddRendererStr *prend = 0; LU_RENDERER(strmPtr->rdr, prend); if (prend->pickstr.state != DD_PICK_ALL) PEX_ERR_EXIT(err,0,cntxtPtr); SETUP_INQ(pexEndPickAllReply); err = EndPickAll(prend, pPEXBuffer); if (err) PEX_ERR_EXIT(err,0,cntxtPtr); err = EndPicking(prend); if (err) PEX_ERR_EXIT(err,0,cntxtPtr); { SETUP_VAR_REPLY(pexEndPickAllReply); WritePEXBufferReply(pexEndPickAllReply); } return( err ); } /* end-PEXEndPickAll() */ ErrorCode PEXPickAll( cntxtPtr, strmPtr ) pexContext *cntxtPtr; pexPickAllReq *strmPtr; { ErrorCode err = Success; extern ddBufferPtr pPEXBuffer; ddRendererStr *prend = 0; pexPickRecord *pr = (pexPickRecord *)(strmPtr+1); /* do stuff same as BeginPickAll */ LU_RENDERER(strmPtr->rdr, prend); LU_DRAWABLE(strmPtr->drawable, prend->pDrawable); prend->drawableId = strmPtr->drawable; prend->pickstr.pick_method = strmPtr->method; prend->pickstr.state = DD_PICK_ALL; prend->pickstr.server = DD_SERVER; prend->pickstr.max_hits = strmPtr->pickMaxHits; err = ChangePseudoPickMeasure (prend, pr); if (err) PEX_ERR_EXIT(err,0,cntxtPtr); err = BeginPicking(prend, prend->pickstr.pseudoPM); if (err) PEX_ERR_EXIT(err,0,cntxtPtr); /* now call PickAll which does set up and calls RenderElements */ err = PickAll(prend); /* now do stuff same as EndPickOne */ SETUP_INQ(pexPickAllReply); err = EndPickAll(prend, pPEXBuffer); if (err) PEX_ERR_EXIT(err,0,cntxtPtr); err = EndPicking(prend); if (err) PEX_ERR_EXIT(err,0,cntxtPtr); { SETUP_VAR_REPLY(pexPickAllReply); WritePEXBufferReply(pexPickAllReply); } return( err ); } /* end-PEXPickAll() */ /**** Renderer Pick Events ****/ ErrorCode PEXMaxHitsReachedNotify(client, rendId) ClientPtr client; ddULONG rendId; { pexMaxHitsReachedEvent mhre; mhre.type = PexEventBase + PEXMaxHitsReached; mhre.sequenceNumber = client->sequence; mhre.rdr = rendId; WriteEventsToClient (client, 1, (xEvent *) &mhre); return(client->noClientException); } /*++ * * End of File * --*/