svx/source/dialog/connctrl.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/svdoedge.hxx>
  21 #include <svx/svdattrx.hxx>
  22 #include <svx/svdmark.hxx>
  23 #include <svx/svdview.hxx>
  24
  25 #include <svx/svdpage.hxx> // SdrObjList
  26
  27 #include "svx/connctrl.hxx"
  28 #include <svx/dialmgr.hxx>
  29 #include "svx/dlgutil.hxx"
  30
  31 #include <svx/sdr/contact/objectcontactofobjlistpainter.hxx>
  32
  33 #include <svx/sdr/contact/displayinfo.hxx>
  34 #include <vcl/svapp.hxx>
  35
  36 SvxXConnectionPreview::SvxXConnectionPreview( Window* pParent, const ResId& rResId,
  37                             const SfxItemSet& rInAttrs ) :
  38                             Control ( pParent, rResId ),
  39                             rAttrs  ( rInAttrs ),
  40                             pEdgeObj( NULL ),
  41                             pObjList( NULL ),
  42                             pView   ( NULL )
  43 {
  44     SetMapMode( MAP_100TH_MM );
  45     SetStyles();
  46 }
  47
  48 SvxXConnectionPreview::~SvxXConnectionPreview()
  49 {
  50     delete pObjList;
  51 }
  52
  53 void SvxXConnectionPreview::Construct()
  54 {
  55     DBG_ASSERT( pView, "No valid view is passed on! ");
  56
  57     const SdrMarkList& rMarkList = pView->GetMarkedObjectList();
  58     sal_uIntPtr nMarkCount = rMarkList.GetMarkCount();
  59
  60     if( nMarkCount >= 1 )
  61     {
  62         bool bFound = false;
  63         const SdrObject* pObj = rMarkList.GetMark(0)->GetMarkedSdrObj();
  64
  65
  66         for( sal_uInt16 i = 0; i < nMarkCount && !bFound; i++ )
  67         {
  68             pObj = rMarkList.GetMark( i )->GetMarkedSdrObj();
  69             sal_uInt32 nInv = pObj->GetObjInventor();
  70             sal_uInt16 nId = pObj->GetObjIdentifier();
  71             if( nInv == SdrInventor && nId == OBJ_EDGE )
  72             {
  73                 bFound = true;
  74                 SdrEdgeObj* pTmpEdgeObj = (SdrEdgeObj*) pObj;
  75                 pEdgeObj = (SdrEdgeObj*) pTmpEdgeObj->Clone();
  76
  77                 SdrObjConnection& rConn1 = (SdrObjConnection&)pEdgeObj->GetConnection( sal_True );
  78                 SdrObjConnection& rConn2 = (SdrObjConnection&)pEdgeObj->GetConnection( sal_False );
  79
  80                 rConn1 = pTmpEdgeObj->GetConnection( sal_True );
  81                 rConn2 = pTmpEdgeObj->GetConnection( sal_False );
  82
  83                 SdrObject* pTmpObj1 = pTmpEdgeObj->GetConnectedNode( sal_True );
  84                 SdrObject* pTmpObj2 = pTmpEdgeObj->GetConnectedNode( sal_False );
  85
  86                 // potential memory leak here (!). Create SdrObjList only when there is
  87                 // not yet one.
  88                 if(!pObjList)
  89                 {
  90                     pObjList = new SdrObjList( pView->GetModel(), NULL );
  91                 }
  92
  93                 if( pTmpObj1 )
  94                 {
  95                     SdrObject* pObj1 = pTmpObj1->Clone();
  96                     pObjList->InsertObject( pObj1 );
  97                     pEdgeObj->ConnectToNode( sal_True, pObj1 );
  98                 }
  99                 if( pTmpObj2 )
 100                 {
 101                     SdrObject* pObj2 = pTmpObj2->Clone();
 102                     pObjList->InsertObject( pObj2 );
 103                     pEdgeObj->ConnectToNode( sal_False, pObj2 );
 104                 }
 105                 pObjList->InsertObject( pEdgeObj );
 106             }
 107         }
 108     }
 109
 110     if( !pEdgeObj )
 111         pEdgeObj = new SdrEdgeObj();
 112
 113     // Adapt size
 114     if( pObjList )
 115     {
 116         OutputDevice* pOD = pView->GetFirstOutputDevice(); // GetWin( 0 );
 117         Rectangle aRect = pObjList->GetAllObjBoundRect();
 118
 119         MapMode aMapMode = GetMapMode();
 120         aMapMode.SetMapUnit( pOD->GetMapMode().GetMapUnit() );
 121         SetMapMode( aMapMode );
 122
 123         MapMode         aDisplayMap( aMapMode );
 124         Point           aNewPos;
 125         Size            aNewSize;
 126         const Size      aWinSize = PixelToLogic( GetOutputSizePixel(), aDisplayMap );
 127         const long      nWidth = aWinSize.Width();
 128         const long      nHeight = aWinSize.Height();
 129         double          fRectWH = (double) aRect.GetWidth() / aRect.GetHeight();
 130         double          fWinWH = (double) nWidth / nHeight;
 131
 132         // Adapt bitmap to Thumb size (not here!)
 133         if ( fRectWH < fWinWH)
 134         {
 135             aNewSize.Width() = (long) ( (double) nHeight * fRectWH );
 136             aNewSize.Height()= nHeight;
 137         }
 138         else
 139         {
 140             aNewSize.Width() = nWidth;
 141             aNewSize.Height()= (long) ( (double) nWidth / fRectWH );
 142         }
 143
 144         Fraction aFrac1( aWinSize.Width(), aRect.GetWidth() );
 145         Fraction aFrac2( aWinSize.Height(), aRect.GetHeight() );
 146         Fraction aMinFrac( aFrac1 <= aFrac2 ? aFrac1 : aFrac2 );
 147
 148         // Implement MapMode
 149         aDisplayMap.SetScaleX( aMinFrac );
 150         aDisplayMap.SetScaleY( aMinFrac );
 151
 152         // Centering
 153         aNewPos.X() = ( nWidth - aNewSize.Width() )  >> 1;
 154         aNewPos.Y() = ( nHeight - aNewSize.Height() ) >> 1;
 155
 156         aDisplayMap.SetOrigin( LogicToLogic( aNewPos, aMapMode, aDisplayMap ) );
 157         SetMapMode( aDisplayMap );
 158
 159         // Origin
 160         aNewPos = aDisplayMap.GetOrigin();
 161         aNewPos -= Point( aRect.TopLeft().X(), aRect.TopLeft().Y() );
 162         aDisplayMap.SetOrigin( aNewPos );
 163         SetMapMode( aDisplayMap );
 164
 165
 166         Point aPos;
 167         MouseEvent aMEvt( aPos, 1, 0, MOUSE_RIGHT );
 168         MouseButtonDown( aMEvt );
 169     }
 170 }
 171
 172 void SvxXConnectionPreview::Paint( const Rectangle& )
 173 {
 174     if( pObjList )
 175     {
 176         // #110094#
 177         // This will not work anymore. To not start at Adam and Eve, i will
 178         // ATM not try to change all this stuff to really using an own model
 179         // and a view. I will just try to provide a mechanism to paint such
 180         // objects without own model and without a page/view with the new
 181         // mechanism.
 182
 183         // New stuff: Use a ObjectContactOfObjListPainter.
 184         sdr::contact::SdrObjectVector aObjectVector;
 185
 186         for(sal_uInt32 a(0L); a < pObjList->GetObjCount(); a++)
 187         {
 188             SdrObject* pObject = pObjList->GetObj(a);
 189             DBG_ASSERT(pObject,
 190                 "SvxXConnectionPreview::Paint: Corrupt ObjectList (!)");
 191             aObjectVector.push_back(pObject);
 192         }
 193
 194         sdr::contact::ObjectContactOfObjListPainter aPainter(*this, aObjectVector, 0);
 195         sdr::contact::DisplayInfo aDisplayInfo;
 196
 197         // do processing
 198         aPainter.ProcessDisplay(aDisplayInfo);
 199     }
 200 }
 201
 202 void SvxXConnectionPreview::SetAttributes( const SfxItemSet& rInAttrs )
 203 {
 204     pEdgeObj->SetMergedItemSetAndBroadcast(rInAttrs);
 205
 206     Invalidate();
 207 }
 208
 209
 210 // Get number of lines which are offset based on the preview object
 211
 212 sal_uInt16 SvxXConnectionPreview::GetLineDeltaAnz()
 213 {
 214     const SfxItemSet& rSet = pEdgeObj->GetMergedItemSet();
 215     sal_uInt16 nCount(0);
 216
 217     if(SFX_ITEM_DONTCARE != rSet.GetItemState(SDRATTR_EDGELINEDELTAANZ))
 218         nCount = ((const SdrEdgeLineDeltaAnzItem&)rSet.Get(SDRATTR_EDGELINEDELTAANZ)).GetValue();
 219
 220     return nCount;
 221 }
 222
 223 void SvxXConnectionPreview::MouseButtonDown( const MouseEvent& rMEvt )
 224 {
 225     bool bZoomIn  = rMEvt.IsLeft() && !rMEvt.IsShift();
 226     bool bZoomOut = rMEvt.IsRight() || rMEvt.IsShift();
 227     bool bCtrl    = rMEvt.IsMod1();
 228
 229     if( bZoomIn || bZoomOut )
 230     {
 231         MapMode aMapMode = GetMapMode();
 232         Fraction aXFrac = aMapMode.GetScaleX();
 233         Fraction aYFrac = aMapMode.GetScaleY();
 234         Fraction* pMultFrac;
 235
 236         if( bZoomIn )
 237         {
 238             if( bCtrl )
 239                 pMultFrac = new Fraction( 3, 2 );
 240             else
 241                 pMultFrac = new Fraction( 11, 10 );
 242         }
 243         else
 244         {
 245             if( bCtrl )
 246                 pMultFrac = new Fraction( 2, 3 );
 247             else
 248                 pMultFrac = new Fraction( 10, 11 );
 249         }
 250
 251         aXFrac *= *pMultFrac;
 252         aYFrac *= *pMultFrac;
 253         if( (double)aXFrac > 0.001 && (double)aXFrac < 1000.0 &&
 254             (double)aYFrac > 0.001 && (double)aYFrac < 1000.0 )
 255         {
 256             aMapMode.SetScaleX( aXFrac );
 257             aMapMode.SetScaleY( aYFrac );
 258             SetMapMode( aMapMode );
 259
 260             Size aOutSize( GetOutputSize() );
 261
 262             Point aPt( aMapMode.GetOrigin() );
 263             long nX = (long)( ( (double)aOutSize.Width() - ( (double)aOutSize.Width() * (double)*pMultFrac  ) ) / 2.0 + 0.5 );
 264             long nY = (long)( ( (double)aOutSize.Height() - ( (double)aOutSize.Height() * (double)*pMultFrac  ) ) / 2.0 + 0.5 );
 265             aPt.X() +=  nX;
 266             aPt.Y() +=  nY;
 267
 268             aMapMode.SetOrigin( aPt );
 269             SetMapMode( aMapMode );
 270
 271             Invalidate();
 272         }
 273         delete pMultFrac;
 274     }
 275 }
 276
 277 void SvxXConnectionPreview::SetStyles()
 278 {
 279     const StyleSettings& rStyles = Application::GetSettings().GetStyleSettings();
 280     SetDrawMode( GetSettings().GetStyleSettings().GetHighContrastMode() ? OUTPUT_DRAWMODE_CONTRAST : OUTPUT_DRAWMODE_COLOR );
 281     SetBackground( Wallpaper( Color( rStyles.GetFieldColor() ) ) );
 282 }
 283
 284 void SvxXConnectionPreview::DataChanged( const DataChangedEvent& rDCEvt )
 285 {
 286     Control::DataChanged( rDCEvt );
 287
 288     if ( (rDCEvt.GetType() == DATACHANGED_SETTINGS) && (rDCEvt.GetFlags() & SETTINGS_STYLE) )
 289     {
 290         SetStyles();
 291     }
 292 }
 293
 294 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */