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

272 lines
9.1 KiB
C++

/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*************************************************************************
*
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#include <svx/svdotext.hxx>
#include <svx/svdhdl.hxx>
#include <svx/svddrag.hxx>
#include <svx/svdview.hxx>
#include <svx/svdorect.hxx> // for SetXPolyDirty in MovCreate at SolidDragging
#include "svx/svdglob.hxx" // Stringcache
#include "svx/svdstr.hrc" // the object's name
#include <svx/svdoashp.hxx>
#include <tools/bigint.hxx>
#include <basegfx/polygon/b2dpolygon.hxx>
#include <basegfx/range/b2drange.hxx>
#include <basegfx/polygon/b2dpolygontools.hxx>
sal_uInt32 SdrTextObj::GetHdlCount() const
{
return 8L;
}
SdrHdl* SdrTextObj::GetHdl(sal_uInt32 nHdlNum) const
{
SdrHdl* pH=NULL;
Point aPnt;
SdrHdlKind eKind=HDL_MOVE;
switch (nHdlNum) {
case 0: aPnt=aRect.TopLeft(); eKind=HDL_UPLFT; break;
case 1: aPnt=aRect.TopCenter(); eKind=HDL_UPPER; break;
case 2: aPnt=aRect.TopRight(); eKind=HDL_UPRGT; break;
case 3: aPnt=aRect.LeftCenter(); eKind=HDL_LEFT ; break;
case 4: aPnt=aRect.RightCenter(); eKind=HDL_RIGHT; break;
case 5: aPnt=aRect.BottomLeft(); eKind=HDL_LWLFT; break;
case 6: aPnt=aRect.BottomCenter(); eKind=HDL_LOWER; break;
case 7: aPnt=aRect.BottomRight(); eKind=HDL_LWRGT; break;
}
if (aGeo.nShearWink!=0) ShearPoint(aPnt,aRect.TopLeft(),aGeo.nTan);
if (aGeo.nDrehWink!=0) RotatePoint(aPnt,aRect.TopLeft(),aGeo.nSin,aGeo.nCos);
if (eKind!=HDL_MOVE) {
pH=new SdrHdl(aPnt,eKind);
pH->SetObj((SdrObject*)this);
pH->SetDrehWink(aGeo.nDrehWink);
}
return pH;
}
////////////////////////////////////////////////////////////////////////////////////////////////////
bool SdrTextObj::hasSpecialDrag() const
{
return true;
}
Rectangle SdrTextObj::ImpDragCalcRect(const SdrDragStat& rDrag) const
{
Rectangle aTmpRect(aRect);
const SdrHdl* pHdl=rDrag.GetHdl();
SdrHdlKind eHdl=pHdl==NULL ? HDL_MOVE : pHdl->GetKind();
bool bEcke=(eHdl==HDL_UPLFT || eHdl==HDL_UPRGT || eHdl==HDL_LWLFT || eHdl==HDL_LWRGT);
bool bOrtho=rDrag.GetView()!=NULL && rDrag.GetView()->IsOrtho();
bool bBigOrtho=bEcke && bOrtho && rDrag.GetView()->IsBigOrtho();
Point aPos(rDrag.GetNow());
// Unrotate:
if (aGeo.nDrehWink!=0) RotatePoint(aPos,aTmpRect.TopLeft(),-aGeo.nSin,aGeo.nCos);
// Unshear:
if (aGeo.nShearWink!=0) ShearPoint(aPos,aTmpRect.TopLeft(),-aGeo.nTan);
//
bool bLft=(eHdl==HDL_UPLFT || eHdl==HDL_LEFT || eHdl==HDL_LWLFT);
bool bRgt=(eHdl==HDL_UPRGT || eHdl==HDL_RIGHT || eHdl==HDL_LWRGT);
bool bTop=(eHdl==HDL_UPRGT || eHdl==HDL_UPPER || eHdl==HDL_UPLFT);
bool bBtm=(eHdl==HDL_LWRGT || eHdl==HDL_LOWER || eHdl==HDL_LWLFT);
if (bLft) aTmpRect.Left() =aPos.X();
if (bRgt) aTmpRect.Right() =aPos.X();
if (bTop) aTmpRect.Top() =aPos.Y();
if (bBtm) aTmpRect.Bottom()=aPos.Y();
if (bOrtho) { // Ortho
long nWdt0=aRect.Right() -aRect.Left();
long nHgt0=aRect.Bottom()-aRect.Top();
long nXMul=aTmpRect.Right() -aTmpRect.Left();
long nYMul=aTmpRect.Bottom()-aTmpRect.Top();
long nXDiv=nWdt0;
long nYDiv=nHgt0;
bool bXNeg=(nXMul<0)!=(nXDiv<0);
bool bYNeg=(nYMul<0)!=(nYDiv<0);
nXMul=Abs(nXMul);
nYMul=Abs(nYMul);
nXDiv=Abs(nXDiv);
nYDiv=Abs(nYDiv);
Fraction aXFact(nXMul,nXDiv); // fractions for canceling
Fraction aYFact(nYMul,nYDiv); // and for comparing
nXMul=aXFact.GetNumerator();
nYMul=aYFact.GetNumerator();
nXDiv=aXFact.GetDenominator();
nYDiv=aYFact.GetDenominator();
if (bEcke) { // corner point handles
bool bUseX=(aXFact<aYFact) != bBigOrtho;
if (bUseX) {
long nNeed=long(BigInt(nHgt0)*BigInt(nXMul)/BigInt(nXDiv));
if (bYNeg) nNeed=-nNeed;
if (bTop) aTmpRect.Top()=aTmpRect.Bottom()-nNeed;
if (bBtm) aTmpRect.Bottom()=aTmpRect.Top()+nNeed;
} else {
long nNeed=long(BigInt(nWdt0)*BigInt(nYMul)/BigInt(nYDiv));
if (bXNeg) nNeed=-nNeed;
if (bLft) aTmpRect.Left()=aTmpRect.Right()-nNeed;
if (bRgt) aTmpRect.Right()=aTmpRect.Left()+nNeed;
}
} else { // apex handles
if ((bLft || bRgt) && nXDiv!=0) {
long nHgt0b=aRect.Bottom()-aRect.Top();
long nNeed=long(BigInt(nHgt0b)*BigInt(nXMul)/BigInt(nXDiv));
aTmpRect.Top()-=(nNeed-nHgt0b)/2;
aTmpRect.Bottom()=aTmpRect.Top()+nNeed;
}
if ((bTop || bBtm) && nYDiv!=0) {
long nWdt0b=aRect.Right()-aRect.Left();
long nNeed=long(BigInt(nWdt0b)*BigInt(nYMul)/BigInt(nYDiv));
aTmpRect.Left()-=(nNeed-nWdt0b)/2;
aTmpRect.Right()=aTmpRect.Left()+nNeed;
}
}
}
if (!ISA(SdrObjCustomShape)) // not justifying for CustomShapes to be able to detect if a shape has to be mirrored
ImpJustifyRect(aTmpRect);
return aTmpRect;
}
////////////////////////////////////////////////////////////////////////////////////////////////////
// drag
bool SdrTextObj::applySpecialDrag(SdrDragStat& rDrag)
{
Rectangle aNewRect(ImpDragCalcRect(rDrag));
if(aNewRect.TopLeft() != aRect.TopLeft() && (aGeo.nDrehWink || aGeo.nShearWink))
{
Point aNewPos(aNewRect.TopLeft());
if(aGeo.nShearWink)
ShearPoint(aNewPos,aRect.TopLeft(),aGeo.nTan);
if(aGeo.nDrehWink)
RotatePoint(aNewPos,aRect.TopLeft(),aGeo.nSin,aGeo.nCos);
aNewRect.SetPos(aNewPos);
}
if(aNewRect != aRect)
{
NbcSetLogicRect(aNewRect);
}
return true;
}
String SdrTextObj::getSpecialDragComment(const SdrDragStat& /*rDrag*/) const
{
XubString aStr;
ImpTakeDescriptionStr(STR_DragRectResize,aStr);
return aStr;
}
////////////////////////////////////////////////////////////////////////////////////////////////////
// Create
bool SdrTextObj::BegCreate(SdrDragStat& rStat)
{
rStat.SetOrtho4Possible();
Rectangle aRect1(rStat.GetStart(), rStat.GetNow());
aRect1.Justify();
rStat.SetActionRect(aRect1);
aRect = aRect1;
return true;
}
bool SdrTextObj::MovCreate(SdrDragStat& rStat)
{
Rectangle aRect1;
rStat.TakeCreateRect(aRect1);
ImpJustifyRect(aRect1);
rStat.SetActionRect(aRect1);
aRect=aRect1; // for ObjName
SetBoundRectDirty();
bSnapRectDirty=sal_True;
if (HAS_BASE(SdrRectObj,this)) {
((SdrRectObj*)this)->SetXPolyDirty();
}
return true;
}
bool SdrTextObj::EndCreate(SdrDragStat& rStat, SdrCreateCmd eCmd)
{
rStat.TakeCreateRect(aRect);
ImpJustifyRect(aRect);
if (bTextFrame) {
if (IsAutoGrowHeight()) {
// MinTextHeight
long nHgt=aRect.GetHeight()-1;
if (nHgt==1) nHgt=0;
NbcSetMinTextFrameHeight(nHgt);
}
if (IsAutoGrowWidth()) {
// MinTextWidth
long nWdt=aRect.GetWidth()-1;
if (nWdt==1) nWdt=0;
NbcSetMinTextFrameWidth(nWdt);
}
// re-calculate text frame
NbcAdjustTextFrameWidthAndHeight();
}
SetRectsDirty();
if (HAS_BASE(SdrRectObj,this)) {
((SdrRectObj*)this)->SetXPolyDirty();
}
return (eCmd==SDRCREATE_FORCEEND || rStat.GetPointAnz()>=2);
}
void SdrTextObj::BrkCreate(SdrDragStat& /*rStat*/)
{
}
bool SdrTextObj::BckCreate(SdrDragStat& /*rStat*/)
{
return true;
}
basegfx::B2DPolyPolygon SdrTextObj::TakeCreatePoly(const SdrDragStat& rDrag) const
{
Rectangle aRect1;
rDrag.TakeCreateRect(aRect1);
aRect1.Justify();
basegfx::B2DPolyPolygon aRetval;
const basegfx::B2DRange aRange(aRect1.Left(), aRect1.Top(), aRect1.Right(), aRect1.Bottom());
aRetval.append(basegfx::tools::createPolygonFromRect(aRange));
return aRetval;
}
Pointer SdrTextObj::GetCreatePointer() const
{
if (IsTextFrame()) return Pointer(POINTER_DRAW_TEXT);
return Pointer(POINTER_CROSS);
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */