svx/source/svdraw/svdtext.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 #include "svx/svdotext.hxx"
  21 #include "svx/svdetc.hxx"
  22 #include "editeng/outlobj.hxx"
  23 #include "svx/svdoutl.hxx"
  24 #include "svx/svdmodel.hxx"
  25 #include "editeng/fhgtitem.hxx"
  26 #include <editeng/eeitem.hxx>
  27 #include <svl/itemset.hxx>
  28 #include <boost/scoped_ptr.hpp>
  29
  30 SdrText::SdrText( SdrTextObj& rObject, OutlinerParaObject* pOutlinerParaObject /* = 0 */ )
  31 : mpOutlinerParaObject( pOutlinerParaObject )
  32 , mrObject( rObject )
  33 , mpModel( rObject.GetModel() )
  34 , mbPortionInfoChecked( false )
  35 {
  36     OSL_ENSURE(&mrObject, "SdrText created without SdrTextObj (!)");
  37 }
  38
  39 SdrText::~SdrText()
  40 {
  41     clearWeak();
  42     delete mpOutlinerParaObject;
  43 }
  44
  45 void SdrText::CheckPortionInfo( SdrOutliner& rOutliner )
  46 {
  47     if(!mbPortionInfoChecked)
  48     {
  49         // #i102062# no action when the Outliner is the HitTestOutliner,
  50         // this will remove WrongList info at the OPO
  51         if(mpModel && &rOutliner == &mpModel->GetHitTestOutliner())
  52             return;
  53
  54         // TODO: optimization: we could create a BigTextObject
  55         mbPortionInfoChecked=true;
  56         if(mpOutlinerParaObject!=NULL && rOutliner.ShouldCreateBigTextObject())
  57         {
  58             // #i102062# MemoryLeak closed
  59             delete mpOutlinerParaObject;
  60             mpOutlinerParaObject = rOutliner.CreateParaObject();
  61         }
  62     }
  63 }
  64
  65 void SdrText::ReformatText()
  66 {
  67     mbPortionInfoChecked=false;
  68     mpOutlinerParaObject->ClearPortionInfo();
  69 }
  70
  71 const SfxItemSet& SdrText::GetItemSet() const
  72 {
  73     return const_cast< SdrText* >(this)->GetObjectItemSet();
  74 }
  75
  76 void SdrText::SetOutlinerParaObject( OutlinerParaObject* pTextObject )
  77 {
  78     if( mpOutlinerParaObject != pTextObject )
  79     {
  80         if( mpModel )
  81         {
  82             // Update HitTestOutliner
  83             const SdrTextObj* pTestObj = mpModel->GetHitTestOutliner().GetTextObj();
  84             if( pTestObj && pTestObj->GetOutlinerParaObject() == mpOutlinerParaObject )
  85                 mpModel->GetHitTestOutliner().SetTextObj( 0 );
  86         }
  87
  88         delete mpOutlinerParaObject;
  89
  90         mpOutlinerParaObject = pTextObject;
  91
  92         mbPortionInfoChecked = false;
  93     }
  94 }
  95
  96 OutlinerParaObject* SdrText::GetOutlinerParaObject() const
  97 {
  98     return mpOutlinerParaObject;
  99 }
 100
 101 /** returns the current OutlinerParaObject and removes it from this instance */
 102 OutlinerParaObject* SdrText::RemoveOutlinerParaObject()
 103 {
 104     if( mpModel )
 105     {
 106         // Update HitTestOutliner
 107         const SdrTextObj* pTestObj = mpModel->GetHitTestOutliner().GetTextObj();
 108         if( pTestObj && pTestObj->GetOutlinerParaObject() == mpOutlinerParaObject )
 109             mpModel->GetHitTestOutliner().SetTextObj( 0 );
 110     }
 111
 112     OutlinerParaObject* pOPO = mpOutlinerParaObject;
 113
 114     mpOutlinerParaObject = 0;
 115     mbPortionInfoChecked = false;
 116
 117     return pOPO;
 118 }
 119
 120 void SdrText::SetModel( SdrModel* pNewModel )
 121 {
 122     if( pNewModel == mpModel )
 123         return;
 124
 125     SdrModel* pOldModel = mpModel;
 126     mpModel = pNewModel;
 127
 128     if( mpOutlinerParaObject && pOldModel!=NULL && pNewModel!=NULL)
 129     {
 130         bool bHgtSet = GetObjectItemSet().GetItemState(EE_CHAR_FONTHEIGHT, true) == SfxItemState::SET;
 131
 132         MapUnit aOldUnit(pOldModel->GetScaleUnit());
 133         MapUnit aNewUnit(pNewModel->GetScaleUnit());
 134         bool bScaleUnitChanged=aNewUnit!=aOldUnit;
 135         // Now move the OutlinerParaObject into a new Pool.
 136         // TODO: We should compare the DefTab and RefDevice of both Models to
 137         // see whether we need to use AutoGrow!
 138         sal_uIntPtr nOldFontHgt=pOldModel->GetDefaultFontHeight();
 139         sal_uIntPtr nNewFontHgt=pNewModel->GetDefaultFontHeight();
 140         bool bDefHgtChanged=nNewFontHgt!=nOldFontHgt;
 141         bool bSetHgtItem=bDefHgtChanged && !bHgtSet;
 142         if (bSetHgtItem)
 143         {
 144             // fix the value of HeightItem, so
 145             // 1. it remains and
 146             // 2. DoStretchChars gets the right value
 147             SetObjectItem(SvxFontHeightItem(nOldFontHgt, 100, EE_CHAR_FONTHEIGHT));
 148         }
 149         // now use the Outliner, etc. so the above SetAttr can work at all
 150         SdrOutliner& rOutliner = mrObject.ImpGetDrawOutliner();
 151         rOutliner.SetText(*mpOutlinerParaObject);
 152         delete mpOutlinerParaObject;
 153         mpOutlinerParaObject=0;
 154         if (bScaleUnitChanged)
 155         {
 156             Fraction aMetricFactor=GetMapFactor(aOldUnit,aNewUnit).X();
 157
 158             if (bSetHgtItem)
 159             {
 160                 // Now correct the frame attribute
 161                 nOldFontHgt=BigMulDiv(nOldFontHgt,aMetricFactor.GetNumerator(),aMetricFactor.GetDenominator());
 162                 SetObjectItem(SvxFontHeightItem(nOldFontHgt, 100, EE_CHAR_FONTHEIGHT));
 163             }
 164         }
 165         SetOutlinerParaObject(rOutliner.CreateParaObject());
 166         mpOutlinerParaObject->ClearPortionInfo();
 167         mbPortionInfoChecked=false;
 168         rOutliner.Clear();
 169     }
 170 }
 171
 172 void SdrText::ForceOutlinerParaObject( sal_uInt16 nOutlMode )
 173 {
 174     if( mpModel && !mpOutlinerParaObject )
 175     {
 176         boost::scoped_ptr<Outliner> pOutliner(SdrMakeOutliner(nOutlMode, *mpModel));
 177         if( pOutliner )
 178         {
 179             Outliner& aDrawOutliner = mpModel->GetDrawOutliner();
 180             pOutliner->SetCalcFieldValueHdl( aDrawOutliner.GetCalcFieldValueHdl() );
 181
 182             pOutliner->SetStyleSheet( 0, GetStyleSheet());
 183             OutlinerParaObject* pOutlinerParaObject = pOutliner->CreateParaObject();
 184             SetOutlinerParaObject( pOutlinerParaObject );
 185         }
 186     }
 187 }
 188
 189 const SfxItemSet& SdrText::GetObjectItemSet()
 190 {
 191     return mrObject.GetObjectItemSet();
 192 }
 193
 194 void SdrText::SetObjectItem(const SfxPoolItem& rItem)
 195 {
 196     mrObject.SetObjectItem( rItem );
 197 }
 198
 199 SfxStyleSheet* SdrText::GetStyleSheet() const
 200 {
 201     return mrObject.GetStyleSheet();
 202 }
 203
 204 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */