xref: /aoo42x/main/svx/source/svdraw/svdotxdr.cxx (revision cdf0e10c)
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27 
28 // MARKER(update_precomp.py): autogen include statement, do not remove
29 #include "precompiled_svx.hxx"
30 
31 #include <svx/svdotext.hxx>
32 #include <svx/svdhdl.hxx>
33 #include <svx/svddrag.hxx>
34 #include <svx/svdview.hxx>
35 #include <svx/svdorect.hxx> // fuer SetXPolyDirty in MovCreate bei SolidDragging
36 #include "svx/svdglob.hxx"  // Stringcache
37 #include "svx/svdstr.hrc"   // Objektname
38 #include <svx/svdoashp.hxx>
39 #include <tools/bigint.hxx>
40 #include <basegfx/polygon/b2dpolygon.hxx>
41 #include <basegfx/range/b2drange.hxx>
42 #include <basegfx/polygon/b2dpolygontools.hxx>
43 
44 ////////////////////////////////////////////////////////////////////////////////////////////////////
45 //
46 //  @@@@@@ @@@@@ @@   @@ @@@@@@  @@@@  @@@@@  @@@@@@
47 //    @@   @@    @@@ @@@   @@   @@  @@ @@  @@     @@
48 //    @@   @@     @@@@@    @@   @@  @@ @@  @@     @@
49 //    @@   @@@@    @@@     @@   @@  @@ @@@@@      @@
50 //    @@   @@     @@@@@    @@   @@  @@ @@  @@     @@
51 //    @@   @@    @@@ @@@   @@   @@  @@ @@  @@ @@  @@
52 //    @@   @@@@@ @@   @@   @@    @@@@  @@@@@   @@@@
53 //
54 //  Dragging, Handles, Create
55 //
56 ////////////////////////////////////////////////////////////////////////////////////////////////////
57 
58 sal_uInt32 SdrTextObj::GetHdlCount() const
59 {
60 	return 8L;
61 }
62 
63 SdrHdl* SdrTextObj::GetHdl(sal_uInt32 nHdlNum) const
64 {
65 	SdrHdl* pH=NULL;
66 	Point aPnt;
67 	SdrHdlKind eKind=HDL_MOVE;
68 	switch (nHdlNum) {
69 		case 0: aPnt=aRect.TopLeft();      eKind=HDL_UPLFT; break; // Oben links
70 		case 1: aPnt=aRect.TopCenter();    eKind=HDL_UPPER; break; // Oben
71 		case 2: aPnt=aRect.TopRight();     eKind=HDL_UPRGT; break; // Oben rechts
72 		case 3: aPnt=aRect.LeftCenter();   eKind=HDL_LEFT ; break; // Links
73 		case 4: aPnt=aRect.RightCenter();  eKind=HDL_RIGHT; break; // Rechts
74 		case 5: aPnt=aRect.BottomLeft();   eKind=HDL_LWLFT; break; // Unten links
75 		case 6: aPnt=aRect.BottomCenter(); eKind=HDL_LOWER; break; // Unten
76 		case 7: aPnt=aRect.BottomRight();  eKind=HDL_LWRGT; break; // Unten rechts
77 	}
78 	if (aGeo.nShearWink!=0) ShearPoint(aPnt,aRect.TopLeft(),aGeo.nTan);
79 	if (aGeo.nDrehWink!=0) RotatePoint(aPnt,aRect.TopLeft(),aGeo.nSin,aGeo.nCos);
80 	if (eKind!=HDL_MOVE) {
81 		pH=new SdrHdl(aPnt,eKind);
82 		pH->SetObj((SdrObject*)this);
83 		pH->SetDrehWink(aGeo.nDrehWink);
84 	}
85 	return pH;
86 }
87 
88 ////////////////////////////////////////////////////////////////////////////////////////////////////
89 
90 bool SdrTextObj::hasSpecialDrag() const
91 {
92 	return true;
93 }
94 
95 Rectangle SdrTextObj::ImpDragCalcRect(const SdrDragStat& rDrag) const
96 {
97 	Rectangle aTmpRect(aRect);
98 	const SdrHdl* pHdl=rDrag.GetHdl();
99 	SdrHdlKind eHdl=pHdl==NULL ? HDL_MOVE : pHdl->GetKind();
100 	FASTBOOL bEcke=(eHdl==HDL_UPLFT || eHdl==HDL_UPRGT || eHdl==HDL_LWLFT || eHdl==HDL_LWRGT);
101 	FASTBOOL bOrtho=rDrag.GetView()!=NULL && rDrag.GetView()->IsOrtho();
102 	FASTBOOL bBigOrtho=bEcke && bOrtho && rDrag.GetView()->IsBigOrtho();
103 	Point aPos(rDrag.GetNow());
104 	// Unrotate:
105 	if (aGeo.nDrehWink!=0) RotatePoint(aPos,aTmpRect.TopLeft(),-aGeo.nSin,aGeo.nCos);
106 	// Unshear:
107 	if (aGeo.nShearWink!=0) ShearPoint(aPos,aTmpRect.TopLeft(),-aGeo.nTan);
108 	//
109 	FASTBOOL bLft=(eHdl==HDL_UPLFT || eHdl==HDL_LEFT  || eHdl==HDL_LWLFT);
110 	FASTBOOL bRgt=(eHdl==HDL_UPRGT || eHdl==HDL_RIGHT || eHdl==HDL_LWRGT);
111 	FASTBOOL bTop=(eHdl==HDL_UPRGT || eHdl==HDL_UPPER || eHdl==HDL_UPLFT);
112 	FASTBOOL bBtm=(eHdl==HDL_LWRGT || eHdl==HDL_LOWER || eHdl==HDL_LWLFT);
113 	if (bLft) aTmpRect.Left()  =aPos.X();
114 	if (bRgt) aTmpRect.Right() =aPos.X();
115 	if (bTop) aTmpRect.Top()   =aPos.Y();
116 	if (bBtm) aTmpRect.Bottom()=aPos.Y();
117 	if (bOrtho) { // Ortho
118 		long nWdt0=aRect.Right() -aRect.Left();
119 		long nHgt0=aRect.Bottom()-aRect.Top();
120 		long nXMul=aTmpRect.Right() -aTmpRect.Left();
121 		long nYMul=aTmpRect.Bottom()-aTmpRect.Top();
122 		long nXDiv=nWdt0;
123 		long nYDiv=nHgt0;
124 		FASTBOOL bXNeg=(nXMul<0)!=(nXDiv<0);
125 		FASTBOOL bYNeg=(nYMul<0)!=(nYDiv<0);
126 		nXMul=Abs(nXMul);
127 		nYMul=Abs(nYMul);
128 		nXDiv=Abs(nXDiv);
129 		nYDiv=Abs(nYDiv);
130 		Fraction aXFact(nXMul,nXDiv); // Fractions zum kuerzen
131 		Fraction aYFact(nYMul,nYDiv); // und zum vergleichen
132 		nXMul=aXFact.GetNumerator();
133 		nYMul=aYFact.GetNumerator();
134 		nXDiv=aXFact.GetDenominator();
135 		nYDiv=aYFact.GetDenominator();
136 		if (bEcke) { // Eckpunkthandles
137 			FASTBOOL bUseX=(aXFact<aYFact) != bBigOrtho;
138 			if (bUseX) {
139 				long nNeed=long(BigInt(nHgt0)*BigInt(nXMul)/BigInt(nXDiv));
140 				if (bYNeg) nNeed=-nNeed;
141 				if (bTop) aTmpRect.Top()=aTmpRect.Bottom()-nNeed;
142 				if (bBtm) aTmpRect.Bottom()=aTmpRect.Top()+nNeed;
143 			} else {
144 				long nNeed=long(BigInt(nWdt0)*BigInt(nYMul)/BigInt(nYDiv));
145 				if (bXNeg) nNeed=-nNeed;
146 				if (bLft) aTmpRect.Left()=aTmpRect.Right()-nNeed;
147 				if (bRgt) aTmpRect.Right()=aTmpRect.Left()+nNeed;
148 			}
149 		} else { // Scheitelpunkthandles
150 			if ((bLft || bRgt) && nXDiv!=0) {
151 				long nHgt0b=aRect.Bottom()-aRect.Top();
152 				long nNeed=long(BigInt(nHgt0b)*BigInt(nXMul)/BigInt(nXDiv));
153 				aTmpRect.Top()-=(nNeed-nHgt0b)/2;
154 				aTmpRect.Bottom()=aTmpRect.Top()+nNeed;
155 			}
156 			if ((bTop || bBtm) && nYDiv!=0) {
157 				long nWdt0b=aRect.Right()-aRect.Left();
158 				long nNeed=long(BigInt(nWdt0b)*BigInt(nYMul)/BigInt(nYDiv));
159 				aTmpRect.Left()-=(nNeed-nWdt0b)/2;
160 				aTmpRect.Right()=aTmpRect.Left()+nNeed;
161 			}
162 		}
163 	}
164 	if (!ISA(SdrObjCustomShape))		// not justifying for CustomShapes to be able to detect if a shape has to be mirrored
165 		ImpJustifyRect(aTmpRect);
166 	return aTmpRect;
167 }
168 
169 ////////////////////////////////////////////////////////////////////////////////////////////////////
170 // drag
171 
172 bool SdrTextObj::applySpecialDrag(SdrDragStat& rDrag)
173 {
174 	Rectangle aNewRect(ImpDragCalcRect(rDrag));
175 
176     if(aNewRect.TopLeft() != aRect.TopLeft() && (aGeo.nDrehWink || aGeo.nShearWink))
177 	{
178 		Point aNewPos(aNewRect.TopLeft());
179 
180         if(aGeo.nShearWink)
181             ShearPoint(aNewPos,aRect.TopLeft(),aGeo.nTan);
182 
183 		if(aGeo.nDrehWink)
184             RotatePoint(aNewPos,aRect.TopLeft(),aGeo.nSin,aGeo.nCos);
185 
186         aNewRect.SetPos(aNewPos);
187 	}
188 
189     if(aNewRect != aRect)
190     {
191   		NbcSetLogicRect(aNewRect);
192 	}
193 
194 	return true;
195 }
196 
197 String SdrTextObj::getSpecialDragComment(const SdrDragStat& /*rDrag*/) const
198 {
199 	XubString aStr;
200 	ImpTakeDescriptionStr(STR_DragRectResize,aStr);
201 	return aStr;
202 }
203 
204 ////////////////////////////////////////////////////////////////////////////////////////////////////
205 // Create
206 
207 FASTBOOL SdrTextObj::BegCreate(SdrDragStat& rStat)
208 {
209 	rStat.SetOrtho4Possible();
210 	Rectangle aRect1(rStat.GetStart(), rStat.GetNow());
211 	aRect1.Justify();
212 	rStat.SetActionRect(aRect1);
213 	aRect = aRect1;
214 	return sal_True;
215 }
216 
217 FASTBOOL SdrTextObj::MovCreate(SdrDragStat& rStat)
218 {
219 	Rectangle aRect1;
220 	rStat.TakeCreateRect(aRect1);
221 	ImpJustifyRect(aRect1);
222 	rStat.SetActionRect(aRect1);
223 	aRect=aRect1; // fuer ObjName
224 	SetBoundRectDirty();
225 	bSnapRectDirty=sal_True;
226 	if (HAS_BASE(SdrRectObj,this)) {
227 		((SdrRectObj*)this)->SetXPolyDirty();
228 	}
229 	return sal_True;
230 }
231 
232 FASTBOOL SdrTextObj::EndCreate(SdrDragStat& rStat, SdrCreateCmd eCmd)
233 {
234 	rStat.TakeCreateRect(aRect);
235 	ImpJustifyRect(aRect);
236 	if (bTextFrame) {
237 		if (IsAutoGrowHeight()) {
238 			// MinTextHeight
239 			long nHgt=aRect.GetHeight()-1;
240 			if (nHgt==1) nHgt=0;
241 			NbcSetMinTextFrameHeight(nHgt);
242 		}
243 		if (IsAutoGrowWidth()) {
244 			// MinTextWidth
245 			long nWdt=aRect.GetWidth()-1;
246 			if (nWdt==1) nWdt=0;
247 			NbcSetMinTextFrameWidth(nWdt);
248 		}
249 		// Textrahmen neu berechnen
250 		NbcAdjustTextFrameWidthAndHeight();
251 	}
252 	SetRectsDirty();
253 	if (HAS_BASE(SdrRectObj,this)) {
254 		((SdrRectObj*)this)->SetXPolyDirty();
255 	}
256 	return (eCmd==SDRCREATE_FORCEEND || rStat.GetPointAnz()>=2);
257 }
258 
259 void SdrTextObj::BrkCreate(SdrDragStat& /*rStat*/)
260 {
261 }
262 
263 FASTBOOL SdrTextObj::BckCreate(SdrDragStat& /*rStat*/)
264 {
265 	return sal_True;
266 }
267 
268 basegfx::B2DPolyPolygon SdrTextObj::TakeCreatePoly(const SdrDragStat& rDrag) const
269 {
270 	Rectangle aRect1;
271 	rDrag.TakeCreateRect(aRect1);
272 	aRect1.Justify();
273 
274 	basegfx::B2DPolyPolygon aRetval;
275 	const basegfx::B2DRange aRange(aRect1.Left(), aRect1.Top(), aRect1.Right(), aRect1.Bottom());
276 	aRetval.append(basegfx::tools::createPolygonFromRect(aRange));
277 	return aRetval;
278 }
279 
280 Pointer SdrTextObj::GetCreatePointer() const
281 {
282 	if (IsTextFrame()) return Pointer(POINTER_DRAW_TEXT);
283 	return Pointer(POINTER_CROSS);
284 }
285 
286