272 lines
9.1 KiB
C++
272 lines
9.1 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*************************************************************************
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*
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* Copyright 2000, 2010 Oracle and/or its affiliates.
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*
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* OpenOffice.org - a multi-platform office productivity suite
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*
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* This file is part of OpenOffice.org.
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*
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* OpenOffice.org is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License version 3
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* only, as published by the Free Software Foundation.
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*
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* OpenOffice.org is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Lesser General Public License version 3 for more details
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* (a copy is included in the LICENSE file that accompanied this code).
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*
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* You should have received a copy of the GNU Lesser General Public License
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* version 3 along with OpenOffice.org. If not, see
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* <http://www.openoffice.org/license.html>
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* for a copy of the LGPLv3 License.
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*
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************************************************************************/
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#include <svx/svdotext.hxx>
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#include <svx/svdhdl.hxx>
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#include <svx/svddrag.hxx>
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#include <svx/svdview.hxx>
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#include <svx/svdorect.hxx> // for SetXPolyDirty in MovCreate at SolidDragging
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#include "svx/svdglob.hxx" // Stringcache
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#include "svx/svdstr.hrc" // the object's name
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#include <svx/svdoashp.hxx>
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#include <tools/bigint.hxx>
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#include <basegfx/polygon/b2dpolygon.hxx>
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#include <basegfx/range/b2drange.hxx>
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#include <basegfx/polygon/b2dpolygontools.hxx>
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sal_uInt32 SdrTextObj::GetHdlCount() const
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{
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return 8L;
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}
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SdrHdl* SdrTextObj::GetHdl(sal_uInt32 nHdlNum) const
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{
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SdrHdl* pH=NULL;
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Point aPnt;
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SdrHdlKind eKind=HDL_MOVE;
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switch (nHdlNum) {
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case 0: aPnt=aRect.TopLeft(); eKind=HDL_UPLFT; break;
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case 1: aPnt=aRect.TopCenter(); eKind=HDL_UPPER; break;
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case 2: aPnt=aRect.TopRight(); eKind=HDL_UPRGT; break;
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case 3: aPnt=aRect.LeftCenter(); eKind=HDL_LEFT ; break;
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case 4: aPnt=aRect.RightCenter(); eKind=HDL_RIGHT; break;
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case 5: aPnt=aRect.BottomLeft(); eKind=HDL_LWLFT; break;
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case 6: aPnt=aRect.BottomCenter(); eKind=HDL_LOWER; break;
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case 7: aPnt=aRect.BottomRight(); eKind=HDL_LWRGT; break;
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}
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if (aGeo.nShearWink!=0) ShearPoint(aPnt,aRect.TopLeft(),aGeo.nTan);
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if (aGeo.nDrehWink!=0) RotatePoint(aPnt,aRect.TopLeft(),aGeo.nSin,aGeo.nCos);
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if (eKind!=HDL_MOVE) {
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pH=new SdrHdl(aPnt,eKind);
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pH->SetObj((SdrObject*)this);
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pH->SetDrehWink(aGeo.nDrehWink);
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}
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return pH;
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}
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////////////////////////////////////////////////////////////////////////////////////////////////////
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bool SdrTextObj::hasSpecialDrag() const
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{
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return true;
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}
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Rectangle SdrTextObj::ImpDragCalcRect(const SdrDragStat& rDrag) const
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{
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Rectangle aTmpRect(aRect);
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const SdrHdl* pHdl=rDrag.GetHdl();
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SdrHdlKind eHdl=pHdl==NULL ? HDL_MOVE : pHdl->GetKind();
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bool bEcke=(eHdl==HDL_UPLFT || eHdl==HDL_UPRGT || eHdl==HDL_LWLFT || eHdl==HDL_LWRGT);
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bool bOrtho=rDrag.GetView()!=NULL && rDrag.GetView()->IsOrtho();
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bool bBigOrtho=bEcke && bOrtho && rDrag.GetView()->IsBigOrtho();
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Point aPos(rDrag.GetNow());
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// Unrotate:
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if (aGeo.nDrehWink!=0) RotatePoint(aPos,aTmpRect.TopLeft(),-aGeo.nSin,aGeo.nCos);
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// Unshear:
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if (aGeo.nShearWink!=0) ShearPoint(aPos,aTmpRect.TopLeft(),-aGeo.nTan);
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//
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bool bLft=(eHdl==HDL_UPLFT || eHdl==HDL_LEFT || eHdl==HDL_LWLFT);
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bool bRgt=(eHdl==HDL_UPRGT || eHdl==HDL_RIGHT || eHdl==HDL_LWRGT);
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bool bTop=(eHdl==HDL_UPRGT || eHdl==HDL_UPPER || eHdl==HDL_UPLFT);
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bool bBtm=(eHdl==HDL_LWRGT || eHdl==HDL_LOWER || eHdl==HDL_LWLFT);
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if (bLft) aTmpRect.Left() =aPos.X();
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if (bRgt) aTmpRect.Right() =aPos.X();
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if (bTop) aTmpRect.Top() =aPos.Y();
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if (bBtm) aTmpRect.Bottom()=aPos.Y();
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if (bOrtho) { // Ortho
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long nWdt0=aRect.Right() -aRect.Left();
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long nHgt0=aRect.Bottom()-aRect.Top();
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long nXMul=aTmpRect.Right() -aTmpRect.Left();
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long nYMul=aTmpRect.Bottom()-aTmpRect.Top();
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long nXDiv=nWdt0;
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long nYDiv=nHgt0;
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bool bXNeg=(nXMul<0)!=(nXDiv<0);
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bool bYNeg=(nYMul<0)!=(nYDiv<0);
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nXMul=Abs(nXMul);
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nYMul=Abs(nYMul);
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nXDiv=Abs(nXDiv);
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nYDiv=Abs(nYDiv);
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Fraction aXFact(nXMul,nXDiv); // fractions for canceling
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Fraction aYFact(nYMul,nYDiv); // and for comparing
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nXMul=aXFact.GetNumerator();
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nYMul=aYFact.GetNumerator();
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nXDiv=aXFact.GetDenominator();
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nYDiv=aYFact.GetDenominator();
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if (bEcke) { // corner point handles
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bool bUseX=(aXFact<aYFact) != bBigOrtho;
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if (bUseX) {
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long nNeed=long(BigInt(nHgt0)*BigInt(nXMul)/BigInt(nXDiv));
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if (bYNeg) nNeed=-nNeed;
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if (bTop) aTmpRect.Top()=aTmpRect.Bottom()-nNeed;
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if (bBtm) aTmpRect.Bottom()=aTmpRect.Top()+nNeed;
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} else {
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long nNeed=long(BigInt(nWdt0)*BigInt(nYMul)/BigInt(nYDiv));
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if (bXNeg) nNeed=-nNeed;
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if (bLft) aTmpRect.Left()=aTmpRect.Right()-nNeed;
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if (bRgt) aTmpRect.Right()=aTmpRect.Left()+nNeed;
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}
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} else { // apex handles
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if ((bLft || bRgt) && nXDiv!=0) {
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long nHgt0b=aRect.Bottom()-aRect.Top();
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long nNeed=long(BigInt(nHgt0b)*BigInt(nXMul)/BigInt(nXDiv));
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aTmpRect.Top()-=(nNeed-nHgt0b)/2;
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aTmpRect.Bottom()=aTmpRect.Top()+nNeed;
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}
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if ((bTop || bBtm) && nYDiv!=0) {
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long nWdt0b=aRect.Right()-aRect.Left();
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long nNeed=long(BigInt(nWdt0b)*BigInt(nYMul)/BigInt(nYDiv));
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aTmpRect.Left()-=(nNeed-nWdt0b)/2;
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aTmpRect.Right()=aTmpRect.Left()+nNeed;
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}
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}
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}
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if (!ISA(SdrObjCustomShape)) // not justifying when in CustomShapes, to be able to detect if a shape has to be mirrored
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ImpJustifyRect(aTmpRect);
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return aTmpRect;
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}
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////////////////////////////////////////////////////////////////////////////////////////////////////
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// drag
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bool SdrTextObj::applySpecialDrag(SdrDragStat& rDrag)
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{
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Rectangle aNewRect(ImpDragCalcRect(rDrag));
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if(aNewRect.TopLeft() != aRect.TopLeft() && (aGeo.nDrehWink || aGeo.nShearWink))
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{
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Point aNewPos(aNewRect.TopLeft());
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if(aGeo.nShearWink)
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ShearPoint(aNewPos,aRect.TopLeft(),aGeo.nTan);
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if(aGeo.nDrehWink)
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RotatePoint(aNewPos,aRect.TopLeft(),aGeo.nSin,aGeo.nCos);
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aNewRect.SetPos(aNewPos);
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}
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if(aNewRect != aRect)
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{
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NbcSetLogicRect(aNewRect);
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}
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return true;
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}
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String SdrTextObj::getSpecialDragComment(const SdrDragStat& /*rDrag*/) const
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{
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rtl::OUString aStr;
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ImpTakeDescriptionStr(STR_DragRectResize,aStr);
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return aStr;
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}
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////////////////////////////////////////////////////////////////////////////////////////////////////
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// Create
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bool SdrTextObj::BegCreate(SdrDragStat& rStat)
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{
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rStat.SetOrtho4Possible();
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Rectangle aRect1(rStat.GetStart(), rStat.GetNow());
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aRect1.Justify();
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rStat.SetActionRect(aRect1);
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aRect = aRect1;
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return true;
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}
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bool SdrTextObj::MovCreate(SdrDragStat& rStat)
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{
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Rectangle aRect1;
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rStat.TakeCreateRect(aRect1);
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ImpJustifyRect(aRect1);
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rStat.SetActionRect(aRect1);
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aRect=aRect1; // for ObjName
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SetBoundRectDirty();
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bSnapRectDirty=sal_True;
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if (HAS_BASE(SdrRectObj,this)) {
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((SdrRectObj*)this)->SetXPolyDirty();
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}
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return true;
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}
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bool SdrTextObj::EndCreate(SdrDragStat& rStat, SdrCreateCmd eCmd)
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{
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rStat.TakeCreateRect(aRect);
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ImpJustifyRect(aRect);
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if (bTextFrame) {
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if (IsAutoGrowHeight()) {
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// MinTextHeight
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long nHgt=aRect.GetHeight()-1;
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if (nHgt==1) nHgt=0;
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NbcSetMinTextFrameHeight(nHgt);
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}
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if (IsAutoGrowWidth()) {
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// MinTextWidth
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long nWdt=aRect.GetWidth()-1;
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if (nWdt==1) nWdt=0;
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NbcSetMinTextFrameWidth(nWdt);
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}
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// re-calculate text frame
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NbcAdjustTextFrameWidthAndHeight();
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}
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SetRectsDirty();
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if (HAS_BASE(SdrRectObj,this)) {
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((SdrRectObj*)this)->SetXPolyDirty();
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}
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return (eCmd==SDRCREATE_FORCEEND || rStat.GetPointAnz()>=2);
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}
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void SdrTextObj::BrkCreate(SdrDragStat& /*rStat*/)
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{
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}
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bool SdrTextObj::BckCreate(SdrDragStat& /*rStat*/)
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{
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return true;
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}
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basegfx::B2DPolyPolygon SdrTextObj::TakeCreatePoly(const SdrDragStat& rDrag) const
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{
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Rectangle aRect1;
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rDrag.TakeCreateRect(aRect1);
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aRect1.Justify();
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basegfx::B2DPolyPolygon aRetval;
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const basegfx::B2DRange aRange(aRect1.Left(), aRect1.Top(), aRect1.Right(), aRect1.Bottom());
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aRetval.append(basegfx::tools::createPolygonFromRect(aRange));
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return aRetval;
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}
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Pointer SdrTextObj::GetCreatePointer() const
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{
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if (IsTextFrame()) return Pointer(POINTER_DRAW_TEXT);
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return Pointer(POINTER_CROSS);
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}
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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