svx/source/svdraw/svdotxed.cxx

   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/svdmodel.hxx>
  23 #include <svx/svdoutl.hxx>
  24 #include <editeng/editdata.hxx>
  25 #include <editeng/outliner.hxx>
  26 #include <editeng/outlobj.hxx>
  27 #include <editeng/editstat.hxx>
  28 #include <svl/itemset.hxx>
  29 #include <editeng/eeitem.hxx>
  30 #include <svx/sdtfchim.hxx>
  31 #include <textchain.hxx>
  32
  33
  34 bool SdrTextObj::HasTextEdit() const
  35 {
  36     // linked text objects may be changed (no automatic reload)
  37     return true;
  38 }
  39
  40 bool SdrTextObj::BegTextEdit(SdrOutliner& rOutl)
  41 {
  42     if (mpEditingOutliner!=nullptr) return false; // Textedit might already run in another View!
  43     mpEditingOutliner=&rOutl;
  44
  45     mbInEditMode = true;
  46
  47     OutlinerMode nOutlinerMode = OutlinerMode::OutlineObject;
  48     if ( !IsOutlText() )
  49         nOutlinerMode = OutlinerMode::TextObject;
  50     rOutl.Init( nOutlinerMode );
  51     rOutl.SetRefDevice(getSdrModelFromSdrObject().GetRefDevice());
  52
  53     bool bFitToSize(IsFitToSize());
  54     bool bContourFrame=IsContourTextFrame();
  55     ImpSetTextEditParams();
  56
  57     if (!bContourFrame) {
  58         EEControlBits nStat=rOutl.GetControlWord();
  59         nStat|=EEControlBits::AUTOPAGESIZE;
  60         if (bFitToSize || IsAutoFit())
  61             nStat|=EEControlBits::STRETCHING;
  62         else
  63             nStat&=~EEControlBits::STRETCHING;
  64         rOutl.SetControlWord(nStat);
  65     }
  66
  67     // disable AUTOPAGESIZE if IsChainable (might be required for overflow check)
  68     if ( IsChainable() ) {
  69         EEControlBits nStat1=rOutl.GetControlWord();
  70         nStat1 &=~EEControlBits::AUTOPAGESIZE;
  71         rOutl.SetControlWord(nStat1);
  72     }
  73
  74
  75     OutlinerParaObject* pOutlinerParaObject = GetOutlinerParaObject();
  76     if(pOutlinerParaObject!=nullptr)
  77     {
  78         rOutl.SetText(*GetOutlinerParaObject());
  79         rOutl.SetFixedCellHeight(GetMergedItem(SDRATTR_TEXT_USEFIXEDCELLHEIGHT).GetValue());
  80     }
  81
  82     // if necessary, set frame attributes for the first (new) paragraph of the
  83     // outliner
  84     if( !HasTextImpl( &rOutl ) )
  85     {
  86         // Outliner has no text so we must set some
  87         // empty text so the outliner initialise itself
  88         rOutl.SetText( "", rOutl.GetParagraph( 0 ) );
  89
  90         if(GetStyleSheet())
  91             rOutl.SetStyleSheet( 0, GetStyleSheet());
  92
  93         // When setting the "hard" attributes for first paragraph, the Parent
  94         // pOutlAttr (i. e. the template) has to be removed temporarily. Else,
  95         // at SetParaAttribs(), all attributes contained in the parent become
  96         // attributed hard to the paragraph.
  97         const SfxItemSet& rSet = GetObjectItemSet();
  98         SfxItemSetFixed<EE_ITEMS_START, EE_ITEMS_END> aFilteredSet(*rSet.GetPool());
  99         aFilteredSet.Put(rSet);
 100         rOutl.SetParaAttribs(0, aFilteredSet);
 101     }
 102     if (bFitToSize)
 103     {
 104         tools::Rectangle aAnchorRect;
 105         tools::Rectangle aTextRect;
 106         TakeTextRect(rOutl, aTextRect, false,
 107             &aAnchorRect);
 108         Fraction aFitXCorrection(1,1);
 109         ImpSetCharStretching(rOutl,aTextRect.GetSize(),aAnchorRect.GetSize(),aFitXCorrection);
 110     }
 111     else if (IsAutoFit())
 112     {
 113         ImpAutoFitText(rOutl);
 114     }
 115
 116     if(pOutlinerParaObject)
 117     {
 118         if (maGeo.nRotationAngle || IsFontwork())
 119         {
 120             // only repaint here, no real objectchange
 121             BroadcastObjectChange();
 122         }
 123     }
 124
 125     rOutl.UpdateFields();
 126     rOutl.ClearModifyFlag();
 127
 128     return true;
 129 }
 130
 131 void SdrTextObj::TakeTextEditArea(Size* pPaperMin, Size* pPaperMax, tools::Rectangle* pViewInit, tools::Rectangle* pViewMin) const
 132 {
 133     bool bFitToSize(IsFitToSize());
 134     Size aPaperMin,aPaperMax;
 135     tools::Rectangle aViewInit;
 136     TakeTextAnchorRect(aViewInit);
 137     if (maGeo.nRotationAngle) {
 138         Point aCenter(aViewInit.Center());
 139         aCenter-=aViewInit.TopLeft();
 140         Point aCenter0(aCenter);
 141         RotatePoint(aCenter,Point(),maGeo.mfSinRotationAngle,maGeo.mfCosRotationAngle);
 142         aCenter-=aCenter0;
 143         aViewInit.Move(aCenter.X(),aCenter.Y());
 144     }
 145     Size aAnkSiz(aViewInit.GetSize());
 146     aAnkSiz.AdjustWidth( -1 ); aAnkSiz.AdjustHeight( -1 ); // because GetSize() adds 1
 147     Size aMaxSiz(1000000,1000000);
 148     Size aTmpSiz(getSdrModelFromSdrObject().GetMaxObjSize());
 149     if (aTmpSiz.Width()!=0) aMaxSiz.setWidth(aTmpSiz.Width() );
 150     if (aTmpSiz.Height()!=0) aMaxSiz.setHeight(aTmpSiz.Height() );
 151
 152     // Done earlier since used in else tree below
 153     SdrTextHorzAdjust eHAdj(GetTextHorizontalAdjust());
 154     SdrTextVertAdjust eVAdj(GetTextVerticalAdjust());
 155
 156     if(IsTextFrame())
 157     {
 158         tools::Long nMinWdt=GetMinTextFrameWidth();
 159         tools::Long nMinHgt=GetMinTextFrameHeight();
 160         tools::Long nMaxWdt=GetMaxTextFrameWidth();
 161         tools::Long nMaxHgt=GetMaxTextFrameHeight();
 162         if (nMinWdt<1) nMinWdt=1;
 163         if (nMinHgt<1) nMinHgt=1;
 164         if (!bFitToSize) {
 165             if (nMaxWdt==0 || nMaxWdt>aMaxSiz.Width())  nMaxWdt=aMaxSiz.Width();
 166             if (nMaxHgt==0 || nMaxHgt>aMaxSiz.Height()) nMaxHgt=aMaxSiz.Height();
 167
 168             if (!IsAutoGrowWidth() )
 169             {
 170                 nMinWdt = aAnkSiz.Width();
 171                 nMaxWdt = nMinWdt;
 172             }
 173
 174             if (!IsAutoGrowHeight())
 175             {
 176                 nMinHgt = aAnkSiz.Height();
 177                 nMaxHgt = nMinHgt;
 178             }
 179
 180             SdrTextAniKind      eAniKind=GetTextAniKind();
 181             SdrTextAniDirection eAniDirection=GetTextAniDirection();
 182
 183             bool bInEditMode = IsInEditMode();
 184
 185             if (!bInEditMode && (eAniKind==SdrTextAniKind::Scroll || eAniKind==SdrTextAniKind::Alternate || eAniKind==SdrTextAniKind::Slide))
 186             {
 187                 // ticker text uses an unlimited paper size
 188                 if (eAniDirection==SdrTextAniDirection::Left || eAniDirection==SdrTextAniDirection::Right) nMaxWdt=1000000;
 189                 if (eAniDirection==SdrTextAniDirection::Up || eAniDirection==SdrTextAniDirection::Down) nMaxHgt=1000000;
 190             }
 191
 192             bool bChainedFrame = IsChainable();
 193             // Might be required for overflow check working: do limit height to frame if box is chainable.
 194             if (!bChainedFrame) {
 195                 // #i119885# Do not limit/force height to geometrical frame (vice versa for vertical writing)
 196                 if(IsVerticalWriting())
 197                 {
 198                     nMaxWdt = 1000000;
 199                 }
 200                 else
 201                 {
 202                     nMaxHgt = 1000000;
 203                 }
 204             }
 205
 206             aPaperMax.setWidth(nMaxWdt );
 207             aPaperMax.setHeight(nMaxHgt );
 208         }
 209         else
 210         {
 211             aPaperMax=aMaxSiz;
 212         }
 213         aPaperMin.setWidth(nMinWdt );
 214         aPaperMin.setHeight(nMinHgt );
 215     }
 216     else
 217     {
 218         // aPaperMin needs to be set to object's size if full width is activated
 219         // for hor or ver writing respectively
 220         if((SDRTEXTHORZADJUST_BLOCK == eHAdj && !IsVerticalWriting())
 221             || (SDRTEXTVERTADJUST_BLOCK == eVAdj && IsVerticalWriting()))
 222         {
 223             aPaperMin = aAnkSiz;
 224         }
 225
 226         aPaperMax=aMaxSiz;
 227     }
 228
 229     if (pViewMin!=nullptr) {
 230         *pViewMin=aViewInit;
 231
 232         tools::Long nXFree=aAnkSiz.Width()-aPaperMin.Width();
 233         if (eHAdj==SDRTEXTHORZADJUST_LEFT) pViewMin->AdjustRight( -nXFree );
 234         else if (eHAdj==SDRTEXTHORZADJUST_RIGHT) pViewMin->AdjustLeft(nXFree );
 235         else { pViewMin->AdjustLeft(nXFree/2 ); pViewMin->SetRight(pViewMin->Left()+aPaperMin.Width() ); }
 236
 237         tools::Long nYFree=aAnkSiz.Height()-aPaperMin.Height();
 238         if (eVAdj==SDRTEXTVERTADJUST_TOP) pViewMin->AdjustBottom( -nYFree );
 239         else if (eVAdj==SDRTEXTVERTADJUST_BOTTOM) pViewMin->AdjustTop(nYFree );
 240         else { pViewMin->AdjustTop(nYFree/2 ); pViewMin->SetBottom(pViewMin->Top()+aPaperMin.Height() ); }
 241     }
 242
 243     // PaperSize should grow automatically in most cases
 244     if(IsVerticalWriting())
 245         aPaperMin.setWidth( 0 );
 246     else
 247         aPaperMin.setHeight( 0 );
 248
 249     if(eHAdj!=SDRTEXTHORZADJUST_BLOCK || bFitToSize) {
 250         aPaperMin.setWidth(0 );
 251     }
 252
 253     // For complete vertical adjustment support, set paper min height to 0, here.
 254     if(SDRTEXTVERTADJUST_BLOCK != eVAdj || bFitToSize)
 255     {
 256         aPaperMin.setHeight( 0 );
 257     }
 258
 259     if (pPaperMin!=nullptr) *pPaperMin=aPaperMin;
 260     if (pPaperMax!=nullptr) *pPaperMax=aPaperMax;
 261     if (pViewInit!=nullptr) *pViewInit=aViewInit;
 262 }
 263
 264 void SdrTextObj::EndTextEdit(SdrOutliner& rOutl)
 265 {
 266     if(rOutl.IsModified())
 267     {
 268
 269         // to make the gray field background vanish again
 270         rOutl.UpdateFields();
 271
 272         std::optional<OutlinerParaObject> pNewText = rOutl.CreateParaObject( 0, rOutl.GetParagraphCount() );
 273
 274         // need to end edit mode early since SetOutlinerParaObject already
 275         // uses GetCurrentBoundRect() which needs to take the text into account
 276         // to work correct
 277         mbInEditMode = false;
 278
 279         // We don't want broadcasting if we are merely trying to move to next box (this prevents infinite loops)
 280         if (IsChainable() && GetTextChain()->GetSwitchingToNextBox(this)) {
 281             GetTextChain()->SetSwitchingToNextBox(this, false);
 282             if( getActiveText() )
 283             {
 284                 getActiveText()->SetOutlinerParaObject( std::move(pNewText) );
 285             }
 286         } else { // If we are not doing in-chaining switching just set the ParaObject
 287             SetOutlinerParaObject(std::move(pNewText));
 288         }
 289     }
 290
 291     /* Chaining-related code */
 292     rOutl.ClearOverflowingParaNum();
 293
 294     mpEditingOutliner = nullptr;
 295     rOutl.Clear();
 296     EEControlBits nStat = rOutl.GetControlWord();
 297     nStat &= ~EEControlBits::AUTOPAGESIZE;
 298     rOutl.SetControlWord(nStat);
 299
 300     mbInEditMode = false;
 301 }
 302
 303 EEAnchorMode SdrTextObj::GetOutlinerViewAnchorMode() const
 304 {
 305     SdrTextHorzAdjust eH=GetTextHorizontalAdjust();
 306     SdrTextVertAdjust eV=GetTextVerticalAdjust();
 307     EEAnchorMode eRet=EEAnchorMode::TopLeft;
 308     if (IsContourTextFrame()) return eRet;
 309     if (eH==SDRTEXTHORZADJUST_LEFT) {
 310         if (eV==SDRTEXTVERTADJUST_TOP) {
 311             eRet=EEAnchorMode::TopLeft;
 312         } else if (eV==SDRTEXTVERTADJUST_BOTTOM) {
 313             eRet=EEAnchorMode::BottomLeft;
 314         } else {
 315             eRet=EEAnchorMode::VCenterLeft;
 316         }
 317     } else if (eH==SDRTEXTHORZADJUST_RIGHT) {
 318         if (eV==SDRTEXTVERTADJUST_TOP) {
 319             eRet=EEAnchorMode::TopRight;
 320         } else if (eV==SDRTEXTVERTADJUST_BOTTOM) {
 321             eRet=EEAnchorMode::BottomRight;
 322         } else {
 323             eRet=EEAnchorMode::VCenterRight;
 324         }
 325     } else {
 326         if (eV==SDRTEXTVERTADJUST_TOP) {
 327             eRet=EEAnchorMode::TopHCenter;
 328         } else if (eV==SDRTEXTVERTADJUST_BOTTOM) {
 329             eRet=EEAnchorMode::BottomHCenter;
 330         } else {
 331             eRet=EEAnchorMode::VCenterHCenter;
 332         }
 333     }
 334     return eRet;
 335 }
 336
 337 void SdrTextObj::ImpSetTextEditParams() const
 338 {
 339     if (mpEditingOutliner==nullptr)
 340         return;
 341
 342     bool bUpdBuf=mpEditingOutliner->SetUpdateLayout(false);
 343     Size aPaperMin;
 344     Size aPaperMax;
 345     tools::Rectangle aEditArea;
 346     TakeTextEditArea(&aPaperMin,&aPaperMax,&aEditArea,nullptr);
 347     bool bContourFrame=IsContourTextFrame();
 348     mpEditingOutliner->SetMinAutoPaperSize(aPaperMin);
 349     mpEditingOutliner->SetMaxAutoPaperSize(aPaperMax);
 350     mpEditingOutliner->SetPaperSize(Size());
 351     mpEditingOutliner->SetTextColumns(GetTextColumnsNumber(), GetTextColumnsSpacing());
 352     if (bContourFrame) {
 353         tools::Rectangle aAnchorRect;
 354         TakeTextAnchorRect(aAnchorRect);
 355         ImpSetContourPolygon(*mpEditingOutliner,aAnchorRect, true);
 356     }
 357     if (bUpdBuf) mpEditingOutliner->SetUpdateLayout(true);
 358 }
 359
 360 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */