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> // for GetMaxObjSize
  23 #include <svx/svdoutl.hxx>
  24 #include <editeng/editdata.hxx>
  25 #include <editeng/outliner.hxx>
  26 #include <editeng/editstat.hxx>
  27 #include <svl/itemset.hxx>
  28 #include <editeng/eeitem.hxx>
  29 #include <svx/sdtfchim.hxx>
  30
  31
  32 bool SdrTextObj::HasTextEdit() const
  33 {
  34     // linked text objects may be changed (no automatic reload)
  35     return true;
  36 }
  37
  38 sal_Bool SdrTextObj::BegTextEdit(SdrOutliner& rOutl)
  39 {
  40     if (pEdtOutl!=NULL) return sal_False; // Textedit might already run in another View!
  41     pEdtOutl=&rOutl;
  42
  43     mbInEditMode = sal_True;
  44
  45     sal_uInt16 nOutlinerMode = OUTLINERMODE_OUTLINEOBJECT;
  46     if ( !IsOutlText() )
  47         nOutlinerMode = OUTLINERMODE_TEXTOBJECT;
  48     rOutl.Init( nOutlinerMode );
  49     rOutl.SetRefDevice( pModel->GetRefDevice() );
  50
  51     bool bFitToSize(IsFitToSize());
  52     bool bContourFrame=IsContourTextFrame();
  53     ImpSetTextEditParams();
  54
  55     if (!bContourFrame) {
  56         sal_uIntPtr nStat=rOutl.GetControlWord();
  57         nStat|=EE_CNTRL_AUTOPAGESIZE;
  58         if (bFitToSize || IsAutoFit())
  59             nStat|=EE_CNTRL_STRETCHING;
  60         else
  61             nStat&=~EE_CNTRL_STRETCHING;
  62         rOutl.SetControlWord(nStat);
  63     }
  64
  65     OutlinerParaObject* pOutlinerParaObject = GetOutlinerParaObject();
  66     if(pOutlinerParaObject!=NULL)
  67     {
  68         rOutl.SetText(*GetOutlinerParaObject());
  69         rOutl.SetFixedCellHeight(((const SdrTextFixedCellHeightItem&)GetMergedItem(SDRATTR_TEXT_USEFIXEDCELLHEIGHT)).GetValue());
  70     }
  71
  72     // if necessary, set frame attributes for the first (new) paragraph of the
  73     // outliner
  74     if( !HasTextImpl( &rOutl ) )
  75     {
  76         // Outliner has no text so we must set some
  77         // empty text so the outliner initialise itself
  78         rOutl.SetText( String(), rOutl.GetParagraph( 0 ) );
  79
  80         if(GetStyleSheet())
  81             rOutl.SetStyleSheet( 0, GetStyleSheet());
  82
  83         // When setting the "hard" attributes for first paragraph, the Parent
  84         // pOutlAttr (i. e. the template) has to be removed temporarily. Else,
  85         // at SetParaAttribs(), all attributes contained in the parent become
  86         // attributed hard to the paragraph.
  87         const SfxItemSet& rSet = GetObjectItemSet();
  88         SfxItemSet aFilteredSet(*rSet.GetPool(), EE_ITEMS_START, EE_ITEMS_END);
  89         aFilteredSet.Put(rSet);
  90         rOutl.SetParaAttribs(0, aFilteredSet);
  91     }
  92     if (bFitToSize)
  93     {
  94         Rectangle aAnchorRect;
  95         Rectangle aTextRect;
  96         TakeTextRect(rOutl, aTextRect, sal_False,
  97             &aAnchorRect);
  98         Fraction aFitXKorreg(1,1);
  99         ImpSetCharStretching(rOutl,aTextRect.GetSize(),aAnchorRect.GetSize(),aFitXKorreg);
 100     }
 101     else if (IsAutoFit())
 102     {
 103         ImpAutoFitText(rOutl);
 104     }
 105
 106     if(pOutlinerParaObject)
 107     {
 108         if(aGeo.nDrehWink || IsFontwork())
 109         {
 110             // only repaint here, no real objectchange
 111             BroadcastObjectChange();
 112         }
 113     }
 114
 115     rOutl.UpdateFields();
 116     rOutl.ClearModifyFlag();
 117
 118     return sal_True;
 119 }
 120
 121 void SdrTextObj::TakeTextEditArea(Size* pPaperMin, Size* pPaperMax, Rectangle* pViewInit, Rectangle* pViewMin) const
 122 {
 123     bool bFitToSize(IsFitToSize());
 124     Size aPaperMin,aPaperMax;
 125     Rectangle aViewInit;
 126     TakeTextAnchorRect(aViewInit);
 127     if (aGeo.nDrehWink!=0) {
 128         Point aCenter(aViewInit.Center());
 129         aCenter-=aViewInit.TopLeft();
 130         Point aCenter0(aCenter);
 131         RotatePoint(aCenter,Point(),aGeo.nSin,aGeo.nCos);
 132         aCenter-=aCenter0;
 133         aViewInit.Move(aCenter.X(),aCenter.Y());
 134     }
 135     Size aAnkSiz(aViewInit.GetSize());
 136     aAnkSiz.Width()--; aAnkSiz.Height()--; // because GetSize() adds 1
 137     Size aMaxSiz(1000000,1000000);
 138     if (pModel!=NULL) {
 139         Size aTmpSiz(pModel->GetMaxObjSize());
 140         if (aTmpSiz.Width()!=0) aMaxSiz.Width()=aTmpSiz.Width();
 141         if (aTmpSiz.Height()!=0) aMaxSiz.Height()=aTmpSiz.Height();
 142     }
 143
 144     // Done earlier since used in else tree below
 145     SdrTextHorzAdjust eHAdj(GetTextHorizontalAdjust());
 146     SdrTextVertAdjust eVAdj(GetTextVerticalAdjust());
 147
 148     if(IsTextFrame())
 149     {
 150         long nMinWdt=GetMinTextFrameWidth();
 151         long nMinHgt=GetMinTextFrameHeight();
 152         long nMaxWdt=GetMaxTextFrameWidth();
 153         long nMaxHgt=GetMaxTextFrameHeight();
 154         if (nMinWdt<1) nMinWdt=1;
 155         if (nMinHgt<1) nMinHgt=1;
 156         if (!bFitToSize) {
 157             if (nMaxWdt==0 || nMaxWdt>aMaxSiz.Width())  nMaxWdt=aMaxSiz.Width();
 158             if (nMaxHgt==0 || nMaxHgt>aMaxSiz.Height()) nMaxHgt=aMaxSiz.Height();
 159
 160             if (!IsAutoGrowWidth() )
 161             {
 162                 nMinWdt = aAnkSiz.Width();
 163                 nMaxWdt = nMinWdt;
 164             }
 165
 166             if (!IsAutoGrowHeight())
 167             {
 168                 nMinHgt = aAnkSiz.Height();
 169                 nMaxHgt = nMinHgt;
 170             }
 171
 172             SdrTextAniKind      eAniKind=GetTextAniKind();
 173             SdrTextAniDirection eAniDirection=GetTextAniDirection();
 174
 175             sal_Bool bInEditMode = IsInEditMode();
 176
 177             if (!bInEditMode && (eAniKind==SDRTEXTANI_SCROLL || eAniKind==SDRTEXTANI_ALTERNATE || eAniKind==SDRTEXTANI_SLIDE))
 178             {
 179                 // ticker text uses an unlimited paper size
 180                 if (eAniDirection==SDRTEXTANI_LEFT || eAniDirection==SDRTEXTANI_RIGHT) nMaxWdt=1000000;
 181                 if (eAniDirection==SDRTEXTANI_UP || eAniDirection==SDRTEXTANI_DOWN) nMaxHgt=1000000;
 182             }
 183
 184             // #i119885# Do not limit/force height to geometrical frame (vice versa for vertical writing)
 185             if(IsVerticalWriting())
 186             {
 187                 nMaxWdt = 1000000;
 188             }
 189             else
 190             {
 191                 nMaxHgt = 1000000;
 192             }
 193
 194             aPaperMax.Width()=nMaxWdt;
 195             aPaperMax.Height()=nMaxHgt;
 196         }
 197         else
 198         {
 199             aPaperMax=aMaxSiz;
 200         }
 201         aPaperMin.Width()=nMinWdt;
 202         aPaperMin.Height()=nMinHgt;
 203     }
 204     else
 205     {
 206         // aPaperMin needs to be set to object's size if full width is activated
 207         // for hor or ver writing respectively
 208         if((SDRTEXTHORZADJUST_BLOCK == eHAdj && !IsVerticalWriting())
 209             || (SDRTEXTVERTADJUST_BLOCK == eVAdj && IsVerticalWriting()))
 210         {
 211             aPaperMin = aAnkSiz;
 212         }
 213
 214         aPaperMax=aMaxSiz;
 215     }
 216
 217     if (pViewMin!=NULL) {
 218         *pViewMin=aViewInit;
 219
 220         long nXFree=aAnkSiz.Width()-aPaperMin.Width();
 221         if (eHAdj==SDRTEXTHORZADJUST_LEFT) pViewMin->Right()-=nXFree;
 222         else if (eHAdj==SDRTEXTHORZADJUST_RIGHT) pViewMin->Left()+=nXFree;
 223         else { pViewMin->Left()+=nXFree/2; pViewMin->Right()=pViewMin->Left()+aPaperMin.Width(); }
 224
 225         long nYFree=aAnkSiz.Height()-aPaperMin.Height();
 226         if (eVAdj==SDRTEXTVERTADJUST_TOP) pViewMin->Bottom()-=nYFree;
 227         else if (eVAdj==SDRTEXTVERTADJUST_BOTTOM) pViewMin->Top()+=nYFree;
 228         else { pViewMin->Top()+=nYFree/2; pViewMin->Bottom()=pViewMin->Top()+aPaperMin.Height(); }
 229     }
 230
 231     // PaperSize should grow automatically in most cases
 232     if(IsVerticalWriting())
 233         aPaperMin.Width() = 0;
 234     else
 235         aPaperMin.Height() = 0;
 236
 237     if(eHAdj!=SDRTEXTHORZADJUST_BLOCK || bFitToSize) {
 238         aPaperMin.Width()=0;
 239     }
 240
 241     // For complete vertical adjustment support, set paper min height to 0, here.
 242     if(SDRTEXTVERTADJUST_BLOCK != eVAdj || bFitToSize)
 243     {
 244         aPaperMin.Height() = 0;
 245     }
 246
 247     if (pPaperMin!=NULL) *pPaperMin=aPaperMin;
 248     if (pPaperMax!=NULL) *pPaperMax=aPaperMax;
 249     if (pViewInit!=NULL) *pViewInit=aViewInit;
 250 }
 251
 252 void SdrTextObj::EndTextEdit(SdrOutliner& rOutl)
 253 {
 254     if(rOutl.IsModified())
 255     {
 256         OutlinerParaObject* pNewText = NULL;
 257
 258         // to make the gray field background vanish again
 259         rOutl.UpdateFields();
 260
 261         sal_Int32 nParaAnz = rOutl.GetParagraphCount();
 262         pNewText = rOutl.CreateParaObject( 0, nParaAnz );
 263
 264         // need to end edit mode early since SetOutlinerParaObject already
 265         // uses GetCurrentBoundRect() which needs to take the text into account
 266         // to work correct
 267         mbInEditMode = sal_False;
 268         SetOutlinerParaObject(pNewText);
 269     }
 270
 271     pEdtOutl = NULL;
 272     rOutl.Clear();
 273     sal_uInt32 nStat = rOutl.GetControlWord();
 274     nStat &= ~EE_CNTRL_AUTOPAGESIZE;
 275     rOutl.SetControlWord(nStat);
 276
 277     mbInEditMode = sal_False;
 278 }
 279
 280 sal_uInt16 SdrTextObj::GetOutlinerViewAnchorMode() const
 281 {
 282     SdrTextHorzAdjust eH=GetTextHorizontalAdjust();
 283     SdrTextVertAdjust eV=GetTextVerticalAdjust();
 284     EVAnchorMode eRet=ANCHOR_TOP_LEFT;
 285     if (IsContourTextFrame()) return (sal_uInt16)eRet;
 286     if (eH==SDRTEXTHORZADJUST_LEFT) {
 287         if (eV==SDRTEXTVERTADJUST_TOP) {
 288             eRet=ANCHOR_TOP_LEFT;
 289         } else if (eV==SDRTEXTVERTADJUST_BOTTOM) {
 290             eRet=ANCHOR_BOTTOM_LEFT;
 291         } else {
 292             eRet=ANCHOR_VCENTER_LEFT;
 293         }
 294     } else if (eH==SDRTEXTHORZADJUST_RIGHT) {
 295         if (eV==SDRTEXTVERTADJUST_TOP) {
 296             eRet=ANCHOR_TOP_RIGHT;
 297         } else if (eV==SDRTEXTVERTADJUST_BOTTOM) {
 298             eRet=ANCHOR_BOTTOM_RIGHT;
 299         } else {
 300             eRet=ANCHOR_VCENTER_RIGHT;
 301         }
 302     } else {
 303         if (eV==SDRTEXTVERTADJUST_TOP) {
 304             eRet=ANCHOR_TOP_HCENTER;
 305         } else if (eV==SDRTEXTVERTADJUST_BOTTOM) {
 306             eRet=ANCHOR_BOTTOM_HCENTER;
 307         } else {
 308             eRet=ANCHOR_VCENTER_HCENTER;
 309         }
 310     }
 311     return (sal_uInt16)eRet;
 312 }
 313
 314 void SdrTextObj::ImpSetTextEditParams() const
 315 {
 316     if (pEdtOutl!=NULL) {
 317         bool bUpdMerk=pEdtOutl->GetUpdateMode();
 318         if (bUpdMerk) pEdtOutl->SetUpdateMode(sal_False);
 319         Size aPaperMin;
 320         Size aPaperMax;
 321         Rectangle aEditArea;
 322         TakeTextEditArea(&aPaperMin,&aPaperMax,&aEditArea,NULL);
 323         bool bContourFrame=IsContourTextFrame();
 324         pEdtOutl->SetMinAutoPaperSize(aPaperMin);
 325         pEdtOutl->SetMaxAutoPaperSize(aPaperMax);
 326         pEdtOutl->SetPaperSize(Size());
 327         if (bContourFrame) {
 328             Rectangle aAnchorRect;
 329             TakeTextAnchorRect(aAnchorRect);
 330             ImpSetContourPolygon(*pEdtOutl,aAnchorRect, sal_True);
 331         }
 332         if (bUpdMerk) pEdtOutl->SetUpdateMode(sal_True);
 333     }
 334 }
 335
 336 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */