office-gobmx/svx/source/svdraw/svdmrkv1.cxx
2012-01-24 12:55:48 +05:30

629 lines
21 KiB
C++

/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*************************************************************************
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* Copyright 2000, 2010 Oracle and/or its affiliates.
*
* OpenOffice.org - a multi-platform office productivity suite
*
* This file is part of OpenOffice.org.
*
* OpenOffice.org is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License version 3
* only, as published by the Free Software Foundation.
*
* OpenOffice.org is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License version 3 for more details
* (a copy is included in the LICENSE file that accompanied this code).
*
* You should have received a copy of the GNU Lesser General Public License
* version 3 along with OpenOffice.org. If not, see
* <http://www.openoffice.org/license.html>
* for a copy of the LGPLv3 License.
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************************************************************************/
#include <svx/svdmrkv.hxx>
#include <svx/svdetc.hxx>
#include <svx/svdoedge.hxx>
#include "svx/svdglob.hxx"
#include <svx/svdpagv.hxx>
#include <svx/svdpage.hxx>
#include "svddrgm1.hxx"
////////////////////////////////////////////////////////////////////////////////////////////////////
// Point Selection
////////////////////////////////////////////////////////////////////////////////////////////////////
sal_Bool SdrMarkView::HasMarkablePoints() const
{
ForceUndirtyMrkPnt();
bool bRet=false;
if (!ImpIsFrameHandles()) {
sal_uIntPtr nMarkAnz=GetMarkedObjectCount();
if (nMarkAnz<=nFrameHandlesLimit) {
for (sal_uIntPtr nMarkNum=0; nMarkNum<nMarkAnz && !bRet; nMarkNum++) {
const SdrMark* pM=GetSdrMarkByIndex(nMarkNum);
const SdrObject* pObj=pM->GetMarkedSdrObj();
bRet=pObj->IsPolyObj();
}
}
}
return bRet;
}
sal_uIntPtr SdrMarkView::GetMarkablePointCount() const
{
ForceUndirtyMrkPnt();
sal_uIntPtr nAnz=0;
if (!ImpIsFrameHandles()) {
sal_uIntPtr nMarkAnz=GetMarkedObjectCount();
if (nMarkAnz<=nFrameHandlesLimit) {
for (sal_uIntPtr nMarkNum=0; nMarkNum<nMarkAnz; nMarkNum++) {
const SdrMark* pM=GetSdrMarkByIndex(nMarkNum);
const SdrObject* pObj=pM->GetMarkedSdrObj();
if (pObj->IsPolyObj()) {
nAnz+=pObj->GetPointCount();
}
}
}
}
return nAnz;
}
sal_Bool SdrMarkView::HasMarkedPoints() const
{
ForceUndirtyMrkPnt();
sal_Bool bRet=sal_False;
if (!ImpIsFrameHandles()) {
sal_uIntPtr nMarkAnz=GetMarkedObjectCount();
if (nMarkAnz<=nFrameHandlesLimit) {
for (sal_uIntPtr nMarkNum=0; nMarkNum<nMarkAnz && !bRet; nMarkNum++) {
const SdrMark* pM=GetSdrMarkByIndex(nMarkNum);
const SdrUShortCont* pPts=pM->GetMarkedPoints();
bRet=pPts!=NULL && pPts->GetCount()!=0;
}
}
}
return bRet;
}
sal_uIntPtr SdrMarkView::GetMarkedPointCount() const
{
ForceUndirtyMrkPnt();
sal_uIntPtr nAnz=0;
if (!ImpIsFrameHandles()) {
sal_uIntPtr nMarkAnz=GetMarkedObjectCount();
if (nMarkAnz<=nFrameHandlesLimit) {
for (sal_uIntPtr nMarkNum=0; nMarkNum<nMarkAnz; nMarkNum++) {
const SdrMark* pM=GetSdrMarkByIndex(nMarkNum);
const SdrUShortCont* pPts=pM->GetMarkedPoints();
if (pPts!=NULL) nAnz+=pPts->GetCount();
}
}
}
return nAnz;
}
sal_Bool SdrMarkView::IsPointMarkable(const SdrHdl& rHdl) const
{
return !ImpIsFrameHandles() && &rHdl!=NULL && !rHdl.IsPlusHdl() && rHdl.GetKind()!=HDL_GLUE && rHdl.GetKind()!=HDL_SMARTTAG && rHdl.GetObj()!=NULL && rHdl.GetObj()->IsPolyObj();
}
sal_Bool SdrMarkView::MarkPointHelper(SdrHdl* pHdl, SdrMark* pMark, sal_Bool bUnmark)
{
return ImpMarkPoint( pHdl, pMark, bUnmark );
}
sal_Bool SdrMarkView::ImpMarkPoint(SdrHdl* pHdl, SdrMark* pMark, sal_Bool bUnmark)
{
if (pHdl==NULL || pHdl->IsPlusHdl() || pHdl->GetKind()==HDL_GLUE)
return sal_False;
if (pHdl->IsSelected() != bUnmark)
return sal_False;
SdrObject* pObj=pHdl->GetObj();
if (pObj==NULL || !pObj->IsPolyObj())
return sal_False;
if (pMark==NULL)
{
sal_uIntPtr nMarkNum=TryToFindMarkedObject(pObj);
if (nMarkNum==CONTAINER_ENTRY_NOTFOUND)
return sal_False;
pMark=GetSdrMarkByIndex(nMarkNum);
}
const sal_uInt32 nHdlNum(pHdl->GetObjHdlNum());
SdrUShortCont* pPts=pMark->ForceMarkedPoints();
if (!bUnmark)
{
pPts->Insert((sal_uInt16)nHdlNum);
}
else
{
sal_uIntPtr nBla=pPts->GetPos((sal_uInt16)nHdlNum);
if (nBla!=CONTAINER_ENTRY_NOTFOUND)
{
pPts->Remove(nBla);
}
else
{
return sal_False; // Fehlerfall!
}
}
pHdl->SetSelected(!bUnmark);
if (!bPlusHdlAlways)
{
if (!bUnmark)
{
sal_uInt32 nAnz(pObj->GetPlusHdlCount(*pHdl));
for (sal_uInt32 i=0; i<nAnz; i++)
{
SdrHdl* pPlusHdl=pObj->GetPlusHdl(*pHdl,i);
if (pPlusHdl!=NULL)
{
pPlusHdl->SetObj(pObj);
pPlusHdl->SetPageView(pMark->GetPageView());
pPlusHdl->SetPlusHdl(sal_True);
aHdl.AddHdl(pPlusHdl);
}
}
}
else
{
for (sal_uIntPtr i = aHdl.GetHdlCount(); i>0;)
{
i--;
SdrHdl* pPlusHdl=aHdl.GetHdl(i);
if (pPlusHdl->IsPlusHdl() && pPlusHdl->GetSourceHdlNum()==nHdlNum)
{
aHdl.RemoveHdl(i);
delete pPlusHdl;
}
}
}
}
aHdl.Sort();
return sal_True;
}
sal_Bool SdrMarkView::MarkPoint(SdrHdl& rHdl, sal_Bool bUnmark)
{
if (&rHdl==NULL) return sal_False;
ForceUndirtyMrkPnt();
sal_Bool bRet=sal_False;
const SdrObject* pObj=rHdl.GetObj();
if (IsPointMarkable(rHdl) && rHdl.IsSelected()==bUnmark) {
sal_uIntPtr nMarkNum=TryToFindMarkedObject(pObj);
if (nMarkNum!=CONTAINER_ENTRY_NOTFOUND) {
SdrMark* pM=GetSdrMarkByIndex(nMarkNum);
SdrUShortCont* pPts=pM->ForceMarkedPoints();
pPts->ForceSort();
if (ImpMarkPoint(&rHdl,pM,bUnmark)) {
pPts->ForceSort();
MarkListHasChanged();
bRet=sal_True;
}
}
}
return bRet;
}
sal_Bool SdrMarkView::MarkPoints(const Rectangle* pRect, sal_Bool bUnmark)
{
ForceUndirtyMrkPnt();
sal_Bool bChgd=sal_False;
SortMarkedObjects();
const SdrObject* pObj0=NULL;
const SdrPageView* pPV0=NULL;
SdrMark* pM=NULL;
aHdl.Sort();
sal_uIntPtr nHdlAnz=aHdl.GetHdlCount();
for (sal_uIntPtr nHdlNum=nHdlAnz; nHdlNum>0;) {
nHdlNum--;
SdrHdl* pHdl=aHdl.GetHdl(nHdlNum);
if (IsPointMarkable(*pHdl) && pHdl->IsSelected()==bUnmark) {
const SdrObject* pObj=pHdl->GetObj();
const SdrPageView* pPV=pHdl->GetPageView();
if (pObj!=pObj0 || pPV!=pPV0 || pM==NULL) { // This section is for optimization,
if (pM!=NULL) {
SdrUShortCont* pPts=pM->GetMarkedPoints();
if (pPts!=NULL) pPts->ForceSort();
}
sal_uIntPtr nMarkNum=TryToFindMarkedObject(pObj); // so ImpMarkPoint() doesn't always
if (nMarkNum!=CONTAINER_ENTRY_NOTFOUND) { // have to search the object in the MarkList.
pM=GetSdrMarkByIndex(nMarkNum);
pObj0=pObj;
pPV0=pPV;
SdrUShortCont* pPts=pM->ForceMarkedPoints();
pPts->ForceSort();
} else {
#ifdef DBG_UTIL
if (pObj->IsInserted()) {
OSL_FAIL("SdrMarkView::MarkPoints(const Rectangle* pRect): Selected object not found.");
}
#endif
pM=NULL;
}
}
Point aPos(pHdl->GetPos());
if (pM!=NULL && (pRect==NULL || pRect->IsInside(aPos))) {
if (ImpMarkPoint(pHdl,pM,bUnmark)) bChgd=sal_True;
}
}
}
if (pM!=NULL) { // Clean up the last selected MarkEntry, if necessary
SdrUShortCont* pPts=pM->GetMarkedPoints();
if (pPts!=NULL) pPts->ForceSort();
}
if (bChgd) {
MarkListHasChanged();
}
return bChgd;
}
sal_Bool SdrMarkView::MarkNextPoint(const Point& /*rPnt*/, sal_Bool /*bPrev*/)
{
ForceUndirtyMrkPnt();
sal_Bool bChgd=sal_False;
SortMarkedObjects();
// ...
if (bChgd) {
MarkListHasChanged();
}
return bChgd;
}
const Rectangle& SdrMarkView::GetMarkedPointsRect() const
{
ForceUndirtyMrkPnt();
if (bMarkedPointsRectsDirty) ImpSetPointsRects();
return aMarkedPointsRect;
}
void SdrMarkView::SetPlusHandlesAlwaysVisible(sal_Bool bOn)
{ // TODO: Optimize HandlePaint!
ForceUndirtyMrkPnt();
if (bOn!=bPlusHdlAlways) {
bPlusHdlAlways=bOn;
SetMarkHandles();
MarkListHasChanged();
}
}
////////////////////////////////////////////////////////////////////////////////////////////////////
// ImpSetPointsRects() is for PolyPoints and GluePoints!
////////////////////////////////////////////////////////////////////////////////////////////////////
void SdrMarkView::ImpSetPointsRects() const
{
Rectangle aPnts;
Rectangle aGlue;
sal_uIntPtr nHdlAnz=aHdl.GetHdlCount();
for (sal_uIntPtr nHdlNum=0; nHdlNum<nHdlAnz; nHdlNum++) {
const SdrHdl* pHdl=aHdl.GetHdl(nHdlNum);
SdrHdlKind eKind=pHdl->GetKind();
if ((eKind==HDL_POLY && pHdl->IsSelected()) || eKind==HDL_GLUE) {
Point aPt(pHdl->GetPos());
Rectangle& rR=eKind==HDL_GLUE ? aGlue : aPnts;
if (rR.IsEmpty()) {
rR=Rectangle(aPt,aPt);
} else {
if (aPt.X()<rR.Left ()) rR.Left ()=aPt.X();
if (aPt.X()>rR.Right ()) rR.Right ()=aPt.X();
if (aPt.Y()<rR.Top ()) rR.Top ()=aPt.Y();
if (aPt.Y()>rR.Bottom()) rR.Bottom()=aPt.Y();
}
}
}
((SdrMarkView*)this)->aMarkedPointsRect=aPnts;
((SdrMarkView*)this)->aMarkedGluePointsRect=aGlue;
((SdrMarkView*)this)->bMarkedPointsRectsDirty=sal_False;
}
////////////////////////////////////////////////////////////////////////////////////////////////////
// UndirtyMrkPnt() is for PolyPoints and GluePoints!
////////////////////////////////////////////////////////////////////////////////////////////////////
void SdrMarkView::UndirtyMrkPnt() const
{
sal_Bool bChg=sal_False;
sal_uIntPtr nMarkAnz=GetMarkedObjectCount();
for (sal_uIntPtr nMarkNum=0; nMarkNum<nMarkAnz; nMarkNum++) {
SdrMark* pM=GetSdrMarkByIndex(nMarkNum);
const SdrObject* pObj=pM->GetMarkedSdrObj();
// PolyPoints
SdrUShortCont* pPts=pM->GetMarkedPoints();
if (pPts!=NULL) {
if (pObj->IsPolyObj()) {
// Remove invalid selected points, that is, all
// entries above the number of points in the object.
sal_uInt32 nMax(pObj->GetPointCount());
sal_uInt32 nPtNum(0xffffffff);
pPts->ForceSort();
for (sal_uInt32 nIndex(pPts->GetCount()); nIndex > 0L && nPtNum >= nMax;)
{
nIndex--;
nPtNum = pPts->GetObject(nIndex);
if(nPtNum >= nMax)
{
pPts->Remove(nIndex);
bChg = sal_True;
}
}
}
else
{
OSL_FAIL("SdrMarkView::UndirtyMrkPnt(): Selected points on an object that is not a PolyObj!");
if(pPts && pPts->GetCount())
{
pPts->Clear();
bChg = sal_True;
}
}
}
// GluePoints
pPts=pM->GetMarkedGluePoints();
const SdrGluePointList* pGPL=pObj->GetGluePointList();
if (pPts!=NULL) {
if (pGPL!=NULL) {
// Remove invalid selected glue points, that is, all entries
// (IDs) that aren't contained in the GluePointList of the
// object
pPts->ForceSort();
for (sal_uIntPtr nIndex=pPts->GetCount(); nIndex>0;) {
nIndex--;
sal_uInt16 nId=pPts->GetObject(nIndex);
if (pGPL->FindGluePoint(nId)==SDRGLUEPOINT_NOTFOUND) {
pPts->Remove(nIndex);
bChg=sal_True;
}
}
} else {
if (pPts!=NULL && pPts->GetCount()!=0) {
pPts->Clear(); // object doesn't have any glue points (any more)
bChg=sal_True;
}
}
}
}
if (bChg) ((SdrMarkView*)this)->bMarkedPointsRectsDirty=sal_True;
((SdrMarkView*)this)->bMrkPntDirty=sal_False;
}
////////////////////////////////////////////////////////////////////////////////////////////////////
sal_Bool SdrMarkView::HasMarkableGluePoints() const
{
sal_Bool bRet=sal_False;
if (IsGluePointEditMode()) {
ForceUndirtyMrkPnt();
sal_uIntPtr nMarkAnz=GetMarkedObjectCount();
for (sal_uIntPtr nMarkNum=0; nMarkNum<nMarkAnz && !bRet; nMarkNum++) {
const SdrMark* pM=GetSdrMarkByIndex(nMarkNum);
const SdrObject* pObj=pM->GetMarkedSdrObj();
const SdrGluePointList* pGPL=pObj->GetGluePointList();
// #i38892#
if(pGPL && pGPL->GetCount())
{
for(sal_uInt16 a(0); !bRet && a < pGPL->GetCount(); a++)
{
if((*pGPL)[a].IsUserDefined())
{
bRet = sal_True;
}
}
}
}
}
return bRet;
}
sal_Bool SdrMarkView::HasMarkedGluePoints() const
{
ForceUndirtyMrkPnt();
sal_Bool bRet=sal_False;
sal_uIntPtr nMarkAnz=GetMarkedObjectCount();
for (sal_uIntPtr nMarkNum=0; nMarkNum<nMarkAnz && !bRet; nMarkNum++) {
const SdrMark* pM=GetSdrMarkByIndex(nMarkNum);
const SdrUShortCont* pPts=pM->GetMarkedGluePoints();
bRet=pPts!=NULL && pPts->GetCount()!=0;
}
return bRet;
}
sal_Bool SdrMarkView::MarkGluePoints(const Rectangle* pRect, sal_Bool bUnmark)
{
if (!IsGluePointEditMode() && !bUnmark) return sal_False;
ForceUndirtyMrkPnt();
sal_Bool bChgd=sal_False;
SortMarkedObjects();
sal_uIntPtr nMarkAnz=GetMarkedObjectCount();
for (sal_uIntPtr nMarkNum=0; nMarkNum<nMarkAnz; nMarkNum++) {
SdrMark* pM=GetSdrMarkByIndex(nMarkNum);
const SdrObject* pObj=pM->GetMarkedSdrObj();
const SdrGluePointList* pGPL=pObj->GetGluePointList();
SdrUShortCont* pPts=pM->GetMarkedGluePoints();
if (bUnmark && pRect==NULL) { // UnmarkAll
if (pPts!=NULL && pPts->GetCount()!=0) {
pPts->Clear();
bChgd=sal_True;
}
} else {
if (pGPL!=NULL && (pPts!=NULL || !bUnmark)) {
sal_uInt16 nGPAnz=pGPL->GetCount();
for (sal_uInt16 nGPNum=0; nGPNum<nGPAnz; nGPNum++) {
const SdrGluePoint& rGP=(*pGPL)[nGPNum];
// #i38892#
if(rGP.IsUserDefined())
{
Point aPos(rGP.GetAbsolutePos(*pObj));
if (pRect==NULL || pRect->IsInside(aPos)) {
if (pPts==NULL) pPts=pM->ForceMarkedGluePoints();
else pPts->ForceSort();
sal_uIntPtr nPos=pPts->GetPos(rGP.GetId());
if (!bUnmark && nPos==CONTAINER_ENTRY_NOTFOUND) {
bChgd=sal_True;
pPts->Insert(rGP.GetId());
}
if (bUnmark && nPos!=CONTAINER_ENTRY_NOTFOUND) {
bChgd=sal_True;
pPts->Remove(nPos);
}
}
}
}
}
}
}
if (bChgd) {
AdjustMarkHdl();
MarkListHasChanged();
}
return bChgd;
}
sal_Bool SdrMarkView::PickGluePoint(const Point& rPnt, SdrObject*& rpObj, sal_uInt16& rnId, SdrPageView*& rpPV, sal_uIntPtr nOptions) const
{
SdrObject* pObj0=rpObj;
sal_uInt16 nId0=rnId;
rpObj=NULL; rpPV=NULL; rnId=0;
if (!IsGluePointEditMode()) return sal_False;
sal_Bool bBack=(nOptions & SDRSEARCH_BACKWARD) !=0;
sal_Bool bNext=(nOptions & SDRSEARCH_NEXT) !=0;
OutputDevice* pOut=(OutputDevice*)pActualOutDev;
if (pOut==NULL) pOut=GetFirstOutputDevice();
if (pOut==NULL) return sal_False;
SortMarkedObjects();
sal_uIntPtr nMarkAnz=GetMarkedObjectCount();
sal_uIntPtr nMarkNum=bBack ? 0 : nMarkAnz;
if (bNext) {
nMarkNum=((SdrMarkView*)this)->TryToFindMarkedObject(pObj0);
if (nMarkNum==CONTAINER_ENTRY_NOTFOUND) return sal_False;
if (!bBack) nMarkNum++;
}
while (bBack ? nMarkNum<nMarkAnz : nMarkNum>0) {
if (!bBack) nMarkNum--;
const SdrMark* pM=GetSdrMarkByIndex(nMarkNum);
SdrObject* pObj=pM->GetMarkedSdrObj();
SdrPageView* pPV=pM->GetPageView();
const SdrGluePointList* pGPL=pObj->GetGluePointList();
if (pGPL!=NULL) {
sal_uInt16 nNum=pGPL->HitTest(rPnt,*pOut,pObj,bBack,bNext,nId0);
if (nNum!=SDRGLUEPOINT_NOTFOUND)
{
// #i38892#
const SdrGluePoint& rCandidate = (*pGPL)[nNum];
if(rCandidate.IsUserDefined())
{
rpObj=pObj;
rnId=(*pGPL)[nNum].GetId();
rpPV=pPV;
return sal_True;
}
}
}
bNext=sal_False; // HitNextGluePoint only for the first Obj
if (bBack) nMarkNum++;
}
return sal_False;
}
sal_Bool SdrMarkView::MarkGluePoint(const SdrObject* pObj, sal_uInt16 nId, const SdrPageView* /*pPV*/, sal_Bool bUnmark)
{
if (!IsGluePointEditMode()) return sal_False;
ForceUndirtyMrkPnt();
sal_Bool bChgd=sal_False;
if (pObj!=NULL) {
sal_uIntPtr nMarkPos=TryToFindMarkedObject(pObj);
if (nMarkPos!=CONTAINER_ENTRY_NOTFOUND) {
SdrMark* pM=GetSdrMarkByIndex(nMarkPos);
SdrUShortCont* pPts=bUnmark ? pM->GetMarkedGluePoints() : pM->ForceMarkedGluePoints();
if (pPts!=NULL) {
sal_uIntPtr nPointPos=pPts->GetPos(nId);
if (!bUnmark && nPointPos==CONTAINER_ENTRY_NOTFOUND) {
bChgd=sal_True;
pPts->Insert(nId);
}
if (bUnmark && nPointPos!=CONTAINER_ENTRY_NOTFOUND) {
bChgd=sal_True;
pPts->Remove(nPointPos);
}
}
} else {
// TODO: implement implicit selection of objects
}
}
if (bChgd) {
AdjustMarkHdl();
MarkListHasChanged();
}
return bChgd;
}
sal_Bool SdrMarkView::IsGluePointMarked(const SdrObject* pObj, sal_uInt16 nId) const
{
ForceUndirtyMrkPnt();
sal_Bool bRet=sal_False;
sal_uIntPtr nPos=((SdrMarkView*)this)->TryToFindMarkedObject(pObj); // casting to NonConst
if (nPos!=CONTAINER_ENTRY_NOTFOUND) {
const SdrMark* pM=GetSdrMarkByIndex(nPos);
const SdrUShortCont* pPts=pM->GetMarkedGluePoints();
if (pPts!=NULL) {
bRet=pPts->Exist(nId);
}
}
return bRet;
}
SdrHdl* SdrMarkView::GetGluePointHdl(const SdrObject* pObj, sal_uInt16 nId) const
{
ForceUndirtyMrkPnt();
sal_uIntPtr nHdlAnz=aHdl.GetHdlCount();
for (sal_uIntPtr nHdlNum=0; nHdlNum<nHdlAnz; nHdlNum++) {
SdrHdl* pHdl=aHdl.GetHdl(nHdlNum);
if (pHdl->GetObj()==pObj &&
pHdl->GetKind()==HDL_GLUE &&
pHdl->GetObjHdlNum()==nId ) return pHdl;
}
return NULL;
}
sal_Bool SdrMarkView::MarkNextGluePoint(const Point& /*rPnt*/, sal_Bool /*bPrev*/)
{
ForceUndirtyMrkPnt();
sal_Bool bChgd=sal_False;
SortMarkedObjects();
// ...
if (bChgd) {
MarkListHasChanged();
}
return bChgd;
}
const Rectangle& SdrMarkView::GetMarkedGluePointsRect() const
{
ForceUndirtyMrkPnt();
if (bMarkedPointsRectsDirty) ImpSetPointsRects();
return aMarkedGluePointsRect;
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */