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