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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*
* This file incorporates work covered by the following license notice:
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed
* with this work for additional information regarding copyright
* ownership. The ASF licenses this file to you under the Apache
* License, Version 2.0 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.apache.org/licenses/LICENSE-2.0 .
*/
#include <svx/svdotext.hxx>
#include <svx/svdhdl.hxx>
#include <svx/svddrag.hxx>
#include <svx/svdview.hxx>
#include <svx/svdorect.hxx>
#include <svx/strings.hrc>
#include <svx/svdoashp.hxx>
#include <tools/bigint.hxx>
#include <basegfx/polygon/b2dpolygon.hxx>
#include <basegfx/range/b2drange.hxx>
#include <basegfx/polygon/b2dpolygontools.hxx>
#include <vcl/canvastools.hxx>
#include <vcl/ptrstyle.hxx>
sal_uInt32 SdrTextObj::GetHdlCount() const
{
return 8;
}
void SdrTextObj::AddToHdlList(SdrHdlList& rHdlList) const
{
for(sal_uInt32 nHdlNum=0; nHdlNum<8; ++nHdlNum)
{
Point aPnt;
SdrHdlKind eKind = SdrHdlKind::UpperLeft;
switch (nHdlNum) {
case 0: aPnt=maRect.TopLeft(); eKind=SdrHdlKind::UpperLeft; break;
case 1: aPnt=maRect.TopCenter(); eKind=SdrHdlKind::Upper; break;
case 2: aPnt=maRect.TopRight(); eKind=SdrHdlKind::UpperRight; break;
case 3: aPnt=maRect.LeftCenter(); eKind=SdrHdlKind::Left ; break;
case 4: aPnt=maRect.RightCenter(); eKind=SdrHdlKind::Right; break;
case 5: aPnt=maRect.BottomLeft(); eKind=SdrHdlKind::LowerLeft; break;
case 6: aPnt=maRect.BottomCenter(); eKind=SdrHdlKind::Lower; break;
case 7: aPnt=maRect.BottomRight(); eKind=SdrHdlKind::LowerRight; break;
}
if (aGeo.nShearAngle!=0) ShearPoint(aPnt,maRect.TopLeft(),aGeo.mfTanShearAngle);
if (aGeo.nRotationAngle!=0) RotatePoint(aPnt,maRect.TopLeft(),aGeo.mfSinRotationAngle,aGeo.mfCosRotationAngle);
std::unique_ptr<SdrHdl> pH(new SdrHdl(aPnt,eKind));
pH->SetObj(const_cast<SdrTextObj*>(this));
pH->SetRotationAngle(aGeo.nRotationAngle);
rHdlList.AddHdl(std::move(pH));
}
}
bool SdrTextObj::hasSpecialDrag() const
{
return true;
}
tools::Rectangle SdrTextObj::ImpDragCalcRect(const SdrDragStat& rDrag) const
{
tools::Rectangle aTmpRect(maRect);
const SdrHdl* pHdl=rDrag.GetHdl();
SdrHdlKind eHdl=pHdl==nullptr ? SdrHdlKind::Move : pHdl->GetKind();
bool bEcke=(eHdl==SdrHdlKind::UpperLeft || eHdl==SdrHdlKind::UpperRight || eHdl==SdrHdlKind::LowerLeft || eHdl==SdrHdlKind::LowerRight);
bool bOrtho=rDrag.GetView()!=nullptr && rDrag.GetView()->IsOrtho();
bool bBigOrtho=bEcke && bOrtho && rDrag.GetView()->IsBigOrtho();
Point aPos(rDrag.GetNow());
// Unrotate:
if (aGeo.nRotationAngle!=0) RotatePoint(aPos,aTmpRect.TopLeft(),-aGeo.mfSinRotationAngle,aGeo.mfCosRotationAngle);
// Unshear:
if (aGeo.nShearAngle!=0) ShearPoint(aPos,aTmpRect.TopLeft(),-aGeo.mfTanShearAngle);
bool bLft=(eHdl==SdrHdlKind::UpperLeft || eHdl==SdrHdlKind::Left || eHdl==SdrHdlKind::LowerLeft);
bool bRgt=(eHdl==SdrHdlKind::UpperRight || eHdl==SdrHdlKind::Right || eHdl==SdrHdlKind::LowerRight);
bool bTop=(eHdl==SdrHdlKind::UpperRight || eHdl==SdrHdlKind::Upper || eHdl==SdrHdlKind::UpperLeft);
bool bBtm=(eHdl==SdrHdlKind::LowerRight || eHdl==SdrHdlKind::Lower || eHdl==SdrHdlKind::LowerLeft);
if (bLft) aTmpRect.SetLeft(aPos.X() );
if (bRgt) aTmpRect.SetRight(aPos.X() );
if (bTop) aTmpRect.SetTop(aPos.Y() );
if (bBtm) aTmpRect.SetBottom(aPos.Y() );
if (bOrtho) { // Ortho
tools::Long nWdt0=maRect.Right() -maRect.Left();
tools::Long nHgt0=maRect.Bottom()-maRect.Top();
tools::Long nXMul=aTmpRect.Right() -aTmpRect.Left();
tools::Long nYMul=aTmpRect.Bottom()-aTmpRect.Top();
tools::Long nXDiv=nWdt0;
tools::Long nYDiv=nHgt0;
bool bXNeg=(nXMul<0)!=(nXDiv<0);
bool bYNeg=(nYMul<0)!=(nYDiv<0);
nXMul=std::abs(nXMul);
nYMul=std::abs(nYMul);
nXDiv=std::abs(nXDiv);
nYDiv=std::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) {
tools::Long nNeed=tools::Long(BigInt(nHgt0)*BigInt(nXMul)/BigInt(nXDiv));
if (bYNeg) nNeed=-nNeed;
if (bTop) aTmpRect.SetTop(aTmpRect.Bottom()-nNeed );
if (bBtm) aTmpRect.SetBottom(aTmpRect.Top()+nNeed );
} else {
tools::Long nNeed=tools::Long(BigInt(nWdt0)*BigInt(nYMul)/BigInt(nYDiv));
if (bXNeg) nNeed=-nNeed;
if (bLft) aTmpRect.SetLeft(aTmpRect.Right()-nNeed );
if (bRgt) aTmpRect.SetRight(aTmpRect.Left()+nNeed );
}
} else { // apex handles
if ((bLft || bRgt) && nXDiv!=0) {
tools::Long nHgt0b=maRect.Bottom()-maRect.Top();
tools::Long nNeed=tools::Long(BigInt(nHgt0b)*BigInt(nXMul)/BigInt(nXDiv));
aTmpRect.AdjustTop( -((nNeed-nHgt0b)/2) );
aTmpRect.SetBottom(aTmpRect.Top()+nNeed );
}
if ((bTop || bBtm) && nYDiv!=0) {
tools::Long nWdt0b=maRect.Right()-maRect.Left();
tools::Long nNeed=tools::Long(BigInt(nWdt0b)*BigInt(nYMul)/BigInt(nYDiv));
aTmpRect.AdjustLeft( -((nNeed-nWdt0b)/2) );
aTmpRect.SetRight(aTmpRect.Left()+nNeed );
}
}
}
if (dynamic_cast<const SdrObjCustomShape*>(this) == nullptr) // not justifying when in CustomShapes, to be able to detect if a shape has to be mirrored
ImpJustifyRect(aTmpRect);
return aTmpRect;
}
// drag
bool SdrTextObj::applySpecialDrag(SdrDragStat& rDrag)
{
tools::Rectangle aNewRect(ImpDragCalcRect(rDrag));
if(aNewRect.TopLeft() != maRect.TopLeft() && (aGeo.nRotationAngle || aGeo.nShearAngle))
{
Point aNewPos(aNewRect.TopLeft());
if(aGeo.nShearAngle)
ShearPoint(aNewPos,maRect.TopLeft(),aGeo.mfTanShearAngle);
if(aGeo.nRotationAngle)
RotatePoint(aNewPos,maRect.TopLeft(),aGeo.mfSinRotationAngle,aGeo.mfCosRotationAngle);
aNewRect.SetPos(aNewPos);
}
if (aNewRect != maRect)
{
NbcSetLogicRect(aNewRect);
}
return true;
}
OUString SdrTextObj::getSpecialDragComment(const SdrDragStat& /*rDrag*/) const
{
return ImpGetDescriptionStr(STR_DragRectResize);
}
// Create
bool SdrTextObj::BegCreate(SdrDragStat& rStat)
{
rStat.SetOrtho4Possible();
tools::Rectangle aRect1(rStat.GetStart(), rStat.GetNow());
aRect1.Justify();
rStat.SetActionRect(aRect1);
maRect = aRect1;
return true;
}
bool SdrTextObj::MovCreate(SdrDragStat& rStat)
{
tools::Rectangle aRect1;
rStat.TakeCreateRect(aRect1);
ImpJustifyRect(aRect1);
rStat.SetActionRect(aRect1);
maRect = aRect1; // for ObjName
SetBoundRectDirty();
bSnapRectDirty=true;
if (auto pRectObj = dynamic_cast<SdrRectObj *>(this)) {
pRectObj->SetXPolyDirty();
}
return true;
}
bool SdrTextObj::EndCreate(SdrDragStat& rStat, SdrCreateCmd eCmd)
{
rStat.TakeCreateRect(maRect);
ImpJustifyRect(maRect);
AdaptTextMinSize();
SetRectsDirty();
if (auto pRectObj = dynamic_cast<SdrRectObj *>(this)) {
pRectObj->SetXPolyDirty();
}
return (eCmd==SdrCreateCmd::ForceEnd || rStat.GetPointCount()>=2);
}
void SdrTextObj::BrkCreate(SdrDragStat& /*rStat*/)
{
}
bool SdrTextObj::BckCreate(SdrDragStat& /*rStat*/)
{
return true;
}
basegfx::B2DPolyPolygon SdrTextObj::TakeCreatePoly(const SdrDragStat& rDrag) const
{
tools::Rectangle aRect1;
rDrag.TakeCreateRect(aRect1);
aRect1.Justify();
basegfx::B2DPolyPolygon aRetval;
const basegfx::B2DRange aRange = vcl::unotools::b2DRectangleFromRectangle(aRect1);
aRetval.append(basegfx::utils::createPolygonFromRect(aRange));
return aRetval;
}
PointerStyle SdrTextObj::GetCreatePointer() const
{
if (IsTextFrame()) return PointerStyle::DrawText;
return PointerStyle::Cross;
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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