sw/source/core/view/vdraw.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/svdmodel.hxx>
  21 #include <svx/svdpage.hxx>
  22 #include <tools/shl.hxx>
  23 #include <swmodule.hxx>
  24 #include <svtools/accessibilityoptions.hxx>
  25 #include <svx/svdpagv.hxx>
  26 #include <fmtanchr.hxx>
  27 #include <frmfmt.hxx>
  28
  29 #include <svx/svdoutl.hxx>
  30
  31 #include "fesh.hxx"
  32 #include "pagefrm.hxx"
  33 #include "rootfrm.hxx"
  34 #include "viewimp.hxx"
  35 #include "dflyobj.hxx"
  36 #include "viewopt.hxx"
  37 #include "printdata.hxx"
  38 #include "dcontact.hxx"
  39 #include "dview.hxx"
  40 #include "flyfrm.hxx"
  41 #include <vcl/svapp.hxx>
  42
  43 #include <IDocumentDrawModelAccess.hxx>
  44
  45
  46 void SwViewImp::StartAction()
  47 {
  48     if ( HasDrawView() )
  49     {
  50         SET_CURR_SHELL( GetShell() );
  51         if ( pSh->ISA(SwFEShell) )
  52             ((SwFEShell*)pSh)->HideChainMarker(); // might have changed
  53     }
  54 }
  55
  56
  57 void SwViewImp::EndAction()
  58 {
  59     if ( HasDrawView() )
  60     {
  61         SET_CURR_SHELL( GetShell() );
  62         if ( pSh->ISA(SwFEShell) )
  63             ((SwFEShell*)pSh)->SetChainMarker(); // might have changed
  64     }
  65 }
  66
  67
  68 void SwViewImp::LockPaint()
  69 {
  70     if ( HasDrawView() )
  71     {
  72         bResetHdlHiddenPaint = !GetDrawView()->areMarkHandlesHidden();
  73         GetDrawView()->hideMarkHandles();
  74     }
  75     else
  76     {
  77         bResetHdlHiddenPaint = sal_False;
  78     }
  79 }
  80
  81
  82 void SwViewImp::UnlockPaint()
  83 {
  84     if ( bResetHdlHiddenPaint )
  85         GetDrawView()->showMarkHandles();
  86 }
  87
  88
  89 void SwViewImp::PaintLayer( const SdrLayerID _nLayerID,
  90                             SwPrintData const*const pPrintData,
  91                             const SwRect& aPaintRect,
  92                             const Color* _pPageBackgrdColor,
  93                             const bool _bIsPageRightToLeft,
  94                             sdr::contact::ViewObjectContactRedirector* pRedirector ) const
  95 {
  96     if ( HasDrawView() )
  97     {
  98         //change the draw mode in high contrast mode
  99         OutputDevice* pOutDev = GetShell()->GetOut();
 100         sal_uLong nOldDrawMode = pOutDev->GetDrawMode();
 101         if( GetShell()->GetWin() &&
 102             Application::GetSettings().GetStyleSettings().GetHighContrastMode() &&
 103             (!GetShell()->IsPreView()||SW_MOD()->GetAccessibilityOptions().GetIsForPagePreviews()))
 104         {
 105             pOutDev->SetDrawMode( nOldDrawMode | DRAWMODE_SETTINGSLINE | DRAWMODE_SETTINGSFILL |
 106                                 DRAWMODE_SETTINGSTEXT | DRAWMODE_SETTINGSGRADIENT );
 107         }
 108
 109         // For correct handling of accessibility, high contrast, the
 110         // page background color is set as the background color at the
 111         // outliner of the draw view.  Only necessary for the layers
 112         // hell and heaven
 113         Color aOldOutlinerBackgrdColor;
 114         // set default horizontal text direction on painting <hell> or
 115         // <heaven>.
 116         EEHorizontalTextDirection aOldEEHoriTextDir = EE_HTEXTDIR_L2R;
 117         const IDocumentDrawModelAccess* pIDDMA = GetShell()->getIDocumentDrawModelAccess();
 118         if ( (_nLayerID == pIDDMA->GetHellId()) ||
 119              (_nLayerID == pIDDMA->GetHeavenId()) )
 120         {
 121             OSL_ENSURE( _pPageBackgrdColor,
 122                     "incorrect usage of SwViewImp::PaintLayer: pPageBackgrdColor have to be set for painting layer <hell> or <heaven>");
 123             if ( _pPageBackgrdColor )
 124             {
 125                 aOldOutlinerBackgrdColor =
 126                         GetDrawView()->GetModel()->GetDrawOutliner().GetBackgroundColor();
 127                 GetDrawView()->GetModel()->GetDrawOutliner().SetBackgroundColor( *_pPageBackgrdColor );
 128             }
 129
 130             aOldEEHoriTextDir =
 131                 GetDrawView()->GetModel()->GetDrawOutliner().GetDefaultHorizontalTextDirection();
 132             EEHorizontalTextDirection aEEHoriTextDirOfPage =
 133                 _bIsPageRightToLeft ? EE_HTEXTDIR_R2L : EE_HTEXTDIR_L2R;
 134             GetDrawView()->GetModel()->GetDrawOutliner().SetDefaultHorizontalTextDirection( aEEHoriTextDirOfPage );
 135         }
 136
 137         pOutDev->Push( PUSH_LINECOLOR ); // #114231#
 138         if (pPrintData)
 139         {
 140             // hide drawings but not form controls (form controls are handled elsewhere)
 141             SdrView &rSdrView = const_cast< SdrView & >(GetPageView()->GetView());
 142             rSdrView.setHideDraw( !pPrintData->IsPrintDraw() );
 143         }
 144         GetPageView()->DrawLayer( _nLayerID, pOutDev, pRedirector, aPaintRect.SVRect() );
 145         pOutDev->Pop();
 146
 147         // reset background color of the outliner & default horiz. text dir.
 148         if ( (_nLayerID == pIDDMA->GetHellId()) ||
 149              (_nLayerID == pIDDMA->GetHeavenId()) )
 150         {
 151             GetDrawView()->GetModel()->GetDrawOutliner().SetBackgroundColor( aOldOutlinerBackgrdColor );
 152             GetDrawView()->GetModel()->GetDrawOutliner().SetDefaultHorizontalTextDirection( aOldEEHoriTextDir );
 153         }
 154
 155         pOutDev->SetDrawMode( nOldDrawMode );
 156     }
 157 }
 158
 159
 160 #define WIEDUWILLST 400
 161
 162 sal_Bool SwViewImp::IsDragPossible( const Point &rPoint )
 163 {
 164     if ( !HasDrawView() )
 165         return sal_False;
 166
 167     const SdrMarkList &rMrkList = GetDrawView()->GetMarkedObjectList();
 168
 169     if( !rMrkList.GetMarkCount() )
 170         return sal_False;
 171
 172     SdrObject *pO = rMrkList.GetMark(rMrkList.GetMarkCount()-1)->GetMarkedSdrObj();
 173
 174     SwRect aRect;
 175     if( pO && ::CalcClipRect( pO, aRect, sal_False ) )
 176     {
 177         SwRect aTmp;
 178         ::CalcClipRect( pO, aTmp, sal_True );
 179         aRect.Union( aTmp );
 180     }
 181     else
 182         aRect = GetShell()->GetLayout()->Frm();
 183
 184     aRect.Top(    aRect.Top()    - WIEDUWILLST );
 185     aRect.Bottom( aRect.Bottom() + WIEDUWILLST );
 186     aRect.Left(   aRect.Left()   - WIEDUWILLST );
 187     aRect.Right(  aRect.Right()  + WIEDUWILLST );
 188     return aRect.IsInside( rPoint );
 189 }
 190
 191
 192 void SwViewImp::NotifySizeChg( const Size &rNewSz )
 193 {
 194     if ( !HasDrawView() )
 195         return;
 196
 197     if ( GetPageView() )
 198         GetPageView()->GetPage()->SetSize( rNewSz );
 199
 200     // Limitation of the work area
 201     const Rectangle aRect( Point( DOCUMENTBORDER, DOCUMENTBORDER ), rNewSz );
 202     const Rectangle &rOldWork = GetDrawView()->GetWorkArea();
 203     sal_Bool bCheckDrawObjs = sal_False;
 204     if ( aRect != rOldWork )
 205     {
 206         if ( rOldWork.Bottom() > aRect.Bottom() || rOldWork.Right() > aRect.Right())
 207             bCheckDrawObjs = sal_True;
 208         GetDrawView()->SetWorkArea( aRect );
 209     }
 210     if ( !bCheckDrawObjs )
 211         return;
 212
 213     OSL_ENSURE( pSh->getIDocumentDrawModelAccess()->GetDrawModel(), "NotifySizeChg without DrawModel" );
 214     SdrPage* pPage = pSh->getIDocumentDrawModelAccess()->GetDrawModel()->GetPage( 0 );
 215     const sal_uLong nObjs = pPage->GetObjCount();
 216     for( sal_uLong nObj = 0; nObj < nObjs; ++nObj )
 217     {
 218         SdrObject *pObj = pPage->GetObj( nObj );
 219         if( !pObj->ISA(SwVirtFlyDrawObj) )
 220         {
 221             // Objects not anchored to the frame, do not need to be adjusted
 222             const SwContact *pCont = (SwContact*)GetUserCall(pObj);
 223             // this function might be called by the InsertDocument, when
 224             // a PageDesc-Attribute is set on a node. Then the SdrObject
 225             // must not have an UserCall.
 226             if( !pCont || !pCont->ISA(SwDrawContact) )
 227                 continue;
 228
 229             const SwFrm *pAnchor = ((SwDrawContact*)pCont)->GetAnchorFrm();
 230             if ( !pAnchor || pAnchor->IsInFly() || !pAnchor->IsValid() ||
 231                  !pAnchor->GetUpper() || !pAnchor->FindPageFrm() ||
 232                  (FLY_AS_CHAR == pCont->GetFmt()->GetAnchor().GetAnchorId()) )
 233             {
 234                 continue;
 235             }
 236
 237             // no move for drawing objects in header/footer
 238             if ( pAnchor->FindFooterOrHeader() )
 239             {
 240                 continue;
 241             }
 242
 243             const Rectangle aBound( pObj->GetCurrentBoundRect() );
 244             if ( !aRect.IsInside( aBound ) )
 245             {
 246                 Size aSz;
 247                 if ( aBound.Left() > aRect.Right() )
 248                     aSz.Width() = (aRect.Right() - aBound.Left()) - MINFLY;
 249                 if ( aBound.Top() > aRect.Bottom() )
 250                     aSz.Height() = (aRect.Bottom() - aBound.Top()) - MINFLY;
 251                 if ( aSz.Width() || aSz.Height() )
 252                     pObj->Move( aSz );
 253
 254                 // Don't let large objects dissappear to the top
 255                 aSz.Width() = aSz.Height() = 0;
 256                 if ( aBound.Bottom() < aRect.Top() )
 257                     aSz.Width() = (aBound.Bottom() - aRect.Top()) - MINFLY;
 258                 if ( aBound.Right() < aRect.Left() )
 259                     aSz.Height() = (aBound.Right() - aRect.Left()) - MINFLY;
 260                 if ( aSz.Width() || aSz.Height() )
 261                     pObj->Move( aSz );
 262             }
 263         }
 264     }
 265 }
 266
 267 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */