1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
2 /*
3 * This file is part of the LibreOffice project.
4 *
5 * This Source Code Form is subject to the terms of the Mozilla Public
6 * License, v. 2.0. If a copy of the MPL was not distributed with this
7 * file, You can obtain one at http://mozilla.org/MPL/2.0/.
8 *
9 * This file incorporates work covered by the following license notice:
10 *
11 * Licensed to the Apache Software Foundation (ASF) under one or more
12 * contributor license agreements. See the NOTICE file distributed
13 * with this work for additional information regarding copyright
14 * ownership. The ASF licenses this file to you under the Apache
15 * License, Version 2.0 (the "License"); you may not use this file
16 * except in compliance with the License. You may obtain a copy of
17 * the License at http://www.apache.org/licenses/LICENSE-2.0 .
18 */
19
20
21 #include <svx/svdotext.hxx>
22 #include <svx/svdhdl.hxx>
23 #include <svx/svddrag.hxx>
24 #include <svx/svdview.hxx>
25 #include <svx/svdorect.hxx>
26 #include <svx/strings.hrc>
27 #include <svx/svdoashp.hxx>
28 #include <tools/bigint.hxx>
29 #include <basegfx/polygon/b2dpolygon.hxx>
30 #include <basegfx/range/b2drange.hxx>
31 #include <basegfx/polygon/b2dpolygontools.hxx>
32 #include <vcl/canvastools.hxx>
33 #include <vcl/ptrstyle.hxx>
34
35
GetHdlCount() const36 sal_uInt32 SdrTextObj::GetHdlCount() const
37 {
38 return 8L;
39 }
40
AddToHdlList(SdrHdlList & rHdlList) const41 void SdrTextObj::AddToHdlList(SdrHdlList& rHdlList) const
42 {
43 for(sal_uInt32 nHdlNum=0; nHdlNum<8; ++nHdlNum)
44 {
45 Point aPnt;
46 SdrHdlKind eKind = SdrHdlKind::UpperLeft;
47 switch (nHdlNum) {
48 case 0: aPnt=maRect.TopLeft(); eKind=SdrHdlKind::UpperLeft; break;
49 case 1: aPnt=maRect.TopCenter(); eKind=SdrHdlKind::Upper; break;
50 case 2: aPnt=maRect.TopRight(); eKind=SdrHdlKind::UpperRight; break;
51 case 3: aPnt=maRect.LeftCenter(); eKind=SdrHdlKind::Left ; break;
52 case 4: aPnt=maRect.RightCenter(); eKind=SdrHdlKind::Right; break;
53 case 5: aPnt=maRect.BottomLeft(); eKind=SdrHdlKind::LowerLeft; break;
54 case 6: aPnt=maRect.BottomCenter(); eKind=SdrHdlKind::Lower; break;
55 case 7: aPnt=maRect.BottomRight(); eKind=SdrHdlKind::LowerRight; break;
56 }
57 if (aGeo.nShearAngle!=0) ShearPoint(aPnt,maRect.TopLeft(),aGeo.nTan);
58 if (aGeo.nRotationAngle!=0) RotatePoint(aPnt,maRect.TopLeft(),aGeo.nSin,aGeo.nCos);
59 std::unique_ptr<SdrHdl> pH(new SdrHdl(aPnt,eKind));
60 pH->SetObj(const_cast<SdrTextObj*>(this));
61 pH->SetRotationAngle(aGeo.nRotationAngle);
62 rHdlList.AddHdl(std::move(pH));
63 }
64 }
65
66
hasSpecialDrag() const67 bool SdrTextObj::hasSpecialDrag() const
68 {
69 return true;
70 }
71
ImpDragCalcRect(const SdrDragStat & rDrag) const72 tools::Rectangle SdrTextObj::ImpDragCalcRect(const SdrDragStat& rDrag) const
73 {
74 tools::Rectangle aTmpRect(maRect);
75 const SdrHdl* pHdl=rDrag.GetHdl();
76 SdrHdlKind eHdl=pHdl==nullptr ? SdrHdlKind::Move : pHdl->GetKind();
77 bool bEcke=(eHdl==SdrHdlKind::UpperLeft || eHdl==SdrHdlKind::UpperRight || eHdl==SdrHdlKind::LowerLeft || eHdl==SdrHdlKind::LowerRight);
78 bool bOrtho=rDrag.GetView()!=nullptr && rDrag.GetView()->IsOrtho();
79 bool bBigOrtho=bEcke && bOrtho && rDrag.GetView()->IsBigOrtho();
80 Point aPos(rDrag.GetNow());
81 // Unrotate:
82 if (aGeo.nRotationAngle!=0) RotatePoint(aPos,aTmpRect.TopLeft(),-aGeo.nSin,aGeo.nCos);
83 // Unshear:
84 if (aGeo.nShearAngle!=0) ShearPoint(aPos,aTmpRect.TopLeft(),-aGeo.nTan);
85
86 bool bLft=(eHdl==SdrHdlKind::UpperLeft || eHdl==SdrHdlKind::Left || eHdl==SdrHdlKind::LowerLeft);
87 bool bRgt=(eHdl==SdrHdlKind::UpperRight || eHdl==SdrHdlKind::Right || eHdl==SdrHdlKind::LowerRight);
88 bool bTop=(eHdl==SdrHdlKind::UpperRight || eHdl==SdrHdlKind::Upper || eHdl==SdrHdlKind::UpperLeft);
89 bool bBtm=(eHdl==SdrHdlKind::LowerRight || eHdl==SdrHdlKind::Lower || eHdl==SdrHdlKind::LowerLeft);
90 if (bLft) aTmpRect.SetLeft(aPos.X() );
91 if (bRgt) aTmpRect.SetRight(aPos.X() );
92 if (bTop) aTmpRect.SetTop(aPos.Y() );
93 if (bBtm) aTmpRect.SetBottom(aPos.Y() );
94 if (bOrtho) { // Ortho
95 long nWdt0=maRect.Right() -maRect.Left();
96 long nHgt0=maRect.Bottom()-maRect.Top();
97 long nXMul=aTmpRect.Right() -aTmpRect.Left();
98 long nYMul=aTmpRect.Bottom()-aTmpRect.Top();
99 long nXDiv=nWdt0;
100 long nYDiv=nHgt0;
101 bool bXNeg=(nXMul<0)!=(nXDiv<0);
102 bool bYNeg=(nYMul<0)!=(nYDiv<0);
103 nXMul=std::abs(nXMul);
104 nYMul=std::abs(nYMul);
105 nXDiv=std::abs(nXDiv);
106 nYDiv=std::abs(nYDiv);
107 Fraction aXFact(nXMul,nXDiv); // fractions for canceling
108 Fraction aYFact(nYMul,nYDiv); // and for comparing
109 nXMul=aXFact.GetNumerator();
110 nYMul=aYFact.GetNumerator();
111 nXDiv=aXFact.GetDenominator();
112 nYDiv=aYFact.GetDenominator();
113 if (bEcke) { // corner point handles
114 bool bUseX=(aXFact<aYFact) != bBigOrtho;
115 if (bUseX) {
116 long nNeed=long(BigInt(nHgt0)*BigInt(nXMul)/BigInt(nXDiv));
117 if (bYNeg) nNeed=-nNeed;
118 if (bTop) aTmpRect.SetTop(aTmpRect.Bottom()-nNeed );
119 if (bBtm) aTmpRect.SetBottom(aTmpRect.Top()+nNeed );
120 } else {
121 long nNeed=long(BigInt(nWdt0)*BigInt(nYMul)/BigInt(nYDiv));
122 if (bXNeg) nNeed=-nNeed;
123 if (bLft) aTmpRect.SetLeft(aTmpRect.Right()-nNeed );
124 if (bRgt) aTmpRect.SetRight(aTmpRect.Left()+nNeed );
125 }
126 } else { // apex handles
127 if ((bLft || bRgt) && nXDiv!=0) {
128 long nHgt0b=maRect.Bottom()-maRect.Top();
129 long nNeed=long(BigInt(nHgt0b)*BigInt(nXMul)/BigInt(nXDiv));
130 aTmpRect.AdjustTop( -((nNeed-nHgt0b)/2) );
131 aTmpRect.SetBottom(aTmpRect.Top()+nNeed );
132 }
133 if ((bTop || bBtm) && nYDiv!=0) {
134 long nWdt0b=maRect.Right()-maRect.Left();
135 long nNeed=long(BigInt(nWdt0b)*BigInt(nYMul)/BigInt(nYDiv));
136 aTmpRect.AdjustLeft( -((nNeed-nWdt0b)/2) );
137 aTmpRect.SetRight(aTmpRect.Left()+nNeed );
138 }
139 }
140 }
141 if (dynamic_cast<const SdrObjCustomShape*>(this) == nullptr) // not justifying when in CustomShapes, to be able to detect if a shape has to be mirrored
142 ImpJustifyRect(aTmpRect);
143 return aTmpRect;
144 }
145
146
147 // drag
148
applySpecialDrag(SdrDragStat & rDrag)149 bool SdrTextObj::applySpecialDrag(SdrDragStat& rDrag)
150 {
151 tools::Rectangle aNewRect(ImpDragCalcRect(rDrag));
152
153 if(aNewRect.TopLeft() != maRect.TopLeft() && (aGeo.nRotationAngle || aGeo.nShearAngle))
154 {
155 Point aNewPos(aNewRect.TopLeft());
156
157 if(aGeo.nShearAngle)
158 ShearPoint(aNewPos,maRect.TopLeft(),aGeo.nTan);
159
160 if(aGeo.nRotationAngle)
161 RotatePoint(aNewPos,maRect.TopLeft(),aGeo.nSin,aGeo.nCos);
162
163 aNewRect.SetPos(aNewPos);
164 }
165
166 if (aNewRect != maRect)
167 {
168 NbcSetLogicRect(aNewRect);
169 }
170
171 return true;
172 }
173
getSpecialDragComment(const SdrDragStat &) const174 OUString SdrTextObj::getSpecialDragComment(const SdrDragStat& /*rDrag*/) const
175 {
176 return ImpGetDescriptionStr(STR_DragRectResize);
177 }
178
179
180 // Create
181
BegCreate(SdrDragStat & rStat)182 bool SdrTextObj::BegCreate(SdrDragStat& rStat)
183 {
184 rStat.SetOrtho4Possible();
185 tools::Rectangle aRect1(rStat.GetStart(), rStat.GetNow());
186 aRect1.Justify();
187 rStat.SetActionRect(aRect1);
188 maRect = aRect1;
189 return true;
190 }
191
MovCreate(SdrDragStat & rStat)192 bool SdrTextObj::MovCreate(SdrDragStat& rStat)
193 {
194 tools::Rectangle aRect1;
195 rStat.TakeCreateRect(aRect1);
196 ImpJustifyRect(aRect1);
197 rStat.SetActionRect(aRect1);
198 maRect = aRect1; // for ObjName
199 SetBoundRectDirty();
200 bSnapRectDirty=true;
201 if (dynamic_cast<const SdrRectObj *>(this) != nullptr) {
202 static_cast<SdrRectObj*>(this)->SetXPolyDirty();
203 }
204 return true;
205 }
206
EndCreate(SdrDragStat & rStat,SdrCreateCmd eCmd)207 bool SdrTextObj::EndCreate(SdrDragStat& rStat, SdrCreateCmd eCmd)
208 {
209 rStat.TakeCreateRect(maRect);
210 ImpJustifyRect(maRect);
211
212 AdaptTextMinSize();
213
214 SetRectsDirty();
215 if (dynamic_cast<const SdrRectObj *>(this) != nullptr) {
216 static_cast<SdrRectObj*>(this)->SetXPolyDirty();
217 }
218 return (eCmd==SdrCreateCmd::ForceEnd || rStat.GetPointCount()>=2);
219 }
220
BrkCreate(SdrDragStat &)221 void SdrTextObj::BrkCreate(SdrDragStat& /*rStat*/)
222 {
223 }
224
BckCreate(SdrDragStat &)225 bool SdrTextObj::BckCreate(SdrDragStat& /*rStat*/)
226 {
227 return true;
228 }
229
TakeCreatePoly(const SdrDragStat & rDrag) const230 basegfx::B2DPolyPolygon SdrTextObj::TakeCreatePoly(const SdrDragStat& rDrag) const
231 {
232 tools::Rectangle aRect1;
233 rDrag.TakeCreateRect(aRect1);
234 aRect1.Justify();
235
236 basegfx::B2DPolyPolygon aRetval;
237 const basegfx::B2DRange aRange = vcl::unotools::b2DRectangleFromRectangle(aRect1);
238 aRetval.append(basegfx::utils::createPolygonFromRect(aRange));
239 return aRetval;
240 }
241
GetCreatePointer() const242 PointerStyle SdrTextObj::GetCreatePointer() const
243 {
244 if (IsTextFrame()) return PointerStyle::DrawText;
245 return PointerStyle::Cross;
246 }
247
248 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
249