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 <vcl/svapp.hxx>
  21
  22 #include "svx/connctrl.hxx"
  23 #include "svx/dlgutil.hxx"
  24
  25 #include <svx/dialmgr.hxx>
  26 #include <svx/sdr/contact/displayinfo.hxx>
  27 #include <svx/sdr/contact/objectcontactofobjlistpainter.hxx>
  28 #include <svx/svdmark.hxx>
  29 #include <svx/svdoedge.hxx>
  30 #include <svx/svdpage.hxx>
  31 #include <svx/svdview.hxx>
  32 #include <svx/sxelditm.hxx>
  33 #include <sxmkitm.hxx>
  34
  35 #include <vcl/builder.hxx>
  36 #include <vcl/settings.hxx>
  37
  38 SvxXConnectionPreview::SvxXConnectionPreview( Window* pParent, WinBits nStyle)
  39     : Control(pParent, nStyle)
  40     , pEdgeObj(NULL)
  41     , pObjList(NULL)
  42     , pView(NULL)
  43 {
  44     SetMapMode( MAP_100TH_MM );
  45     SetStyles();
  46 }
  47
  48 extern "C" SAL_DLLPUBLIC_EXPORT Window* SAL_CALL makeSvxXConnectionPreview(Window *pParent, VclBuilder::stringmap &rMap)
  49 {
  50     WinBits nWinStyle = 0;
  51     OString sBorder = VclBuilder::extractCustomProperty(rMap);
  52     if (!sBorder.isEmpty())
  53         nWinStyle |= WB_BORDER;
  54     return new SvxXConnectionPreview(pParent, nWinStyle);
  55 }
  56
  57 SvxXConnectionPreview::~SvxXConnectionPreview()
  58 {
  59     delete pObjList;
  60 }
  61
  62 void SvxXConnectionPreview::Resize()
  63 {
  64     Control::Resize();
  65
  66     AdaptSize();
  67
  68     Invalidate();
  69 }
  70
  71 Size SvxXConnectionPreview::GetOptimalSize() const
  72 {
  73     return LogicToPixel(Size(118 , 121), MapMode(MAP_APPFONT));
  74 }
  75
  76 void SvxXConnectionPreview::AdaptSize()
  77 {
  78     // Adapt size
  79     if( pObjList )
  80     {
  81         SetMapMode( MAP_100TH_MM );
  82
  83         OutputDevice* pOD = pView->GetFirstOutputDevice(); // GetWin( 0 );
  84         Rectangle aRect = pObjList->GetAllObjBoundRect();
  85
  86         MapMode aMapMode = GetMapMode();
  87         aMapMode.SetMapUnit( pOD->GetMapMode().GetMapUnit() );
  88         SetMapMode( aMapMode );
  89
  90         MapMode         aDisplayMap( aMapMode );
  91         Point           aNewPos;
  92         Size            aNewSize;
  93         const Size      aWinSize = PixelToLogic( GetOutputSizePixel(), aDisplayMap );
  94         const long      nWidth = aWinSize.Width();
  95         const long      nHeight = aWinSize.Height();
  96         if (aRect.GetHeight() == 0)
  97             return;
  98         double          fRectWH = (double) aRect.GetWidth() / aRect.GetHeight();
  99         if (nHeight == 0)
 100             return;
 101         double          fWinWH = (double) nWidth / nHeight;
 102
 103         // Adapt bitmap to Thumb size (not here!)
 104         if ( fRectWH < fWinWH)
 105         {
 106             aNewSize.Width() = (long) ( (double) nHeight * fRectWH );
 107             aNewSize.Height()= nHeight;
 108         }
 109         else
 110         {
 111             aNewSize.Width() = nWidth;
 112             aNewSize.Height()= (long) ( (double) nWidth / fRectWH );
 113         }
 114
 115         Fraction aFrac1( aWinSize.Width(), aRect.GetWidth() );
 116         Fraction aFrac2( aWinSize.Height(), aRect.GetHeight() );
 117         Fraction aMinFrac( aFrac1 <= aFrac2 ? aFrac1 : aFrac2 );
 118
 119         // Implement MapMode
 120         aDisplayMap.SetScaleX( aMinFrac );
 121         aDisplayMap.SetScaleY( aMinFrac );
 122
 123         // Centering
 124         aNewPos.X() = ( nWidth - aNewSize.Width() )  >> 1;
 125         aNewPos.Y() = ( nHeight - aNewSize.Height() ) >> 1;
 126
 127         aDisplayMap.SetOrigin( LogicToLogic( aNewPos, aMapMode, aDisplayMap ) );
 128         SetMapMode( aDisplayMap );
 129
 130         // Origin
 131         aNewPos = aDisplayMap.GetOrigin();
 132         aNewPos -= Point( aRect.TopLeft().X(), aRect.TopLeft().Y() );
 133         aDisplayMap.SetOrigin( aNewPos );
 134         SetMapMode( aDisplayMap );
 135
 136         Point aPos;
 137         MouseEvent aMEvt( aPos, 1, 0, MOUSE_RIGHT );
 138         MouseButtonDown( aMEvt );
 139     }
 140 }
 141
 142 void SvxXConnectionPreview::Construct()
 143 {
 144     DBG_ASSERT( pView, "No valid view is passed on! ");
 145
 146     const SdrMarkList& rMarkList = pView->GetMarkedObjectList();
 147     sal_uIntPtr nMarkCount = rMarkList.GetMarkCount();
 148
 149     if( nMarkCount >= 1 )
 150     {
 151         bool bFound = false;
 152
 153         for( sal_uInt16 i = 0; i < nMarkCount && !bFound; i++ )
 154         {
 155             const SdrObject* pObj = rMarkList.GetMark( i )->GetMarkedSdrObj();
 156             sal_uInt32 nInv = pObj->GetObjInventor();
 157             sal_uInt16 nId = pObj->GetObjIdentifier();
 158             if( nInv == SdrInventor && nId == OBJ_EDGE )
 159             {
 160                 bFound = true;
 161                 SdrEdgeObj* pTmpEdgeObj = (SdrEdgeObj*) pObj;
 162                 pEdgeObj = (SdrEdgeObj*) pTmpEdgeObj->Clone();
 163
 164                 SdrObjConnection& rConn1 = (SdrObjConnection&)pEdgeObj->GetConnection( true );
 165                 SdrObjConnection& rConn2 = (SdrObjConnection&)pEdgeObj->GetConnection( false );
 166
 167                 rConn1 = pTmpEdgeObj->GetConnection( true );
 168                 rConn2 = pTmpEdgeObj->GetConnection( false );
 169
 170                 SdrObject* pTmpObj1 = pTmpEdgeObj->GetConnectedNode( true );
 171                 SdrObject* pTmpObj2 = pTmpEdgeObj->GetConnectedNode( false );
 172
 173                 // potential memory leak here (!). Create SdrObjList only when there is
 174                 // not yet one.
 175                 if(!pObjList)
 176                 {
 177                     pObjList = new SdrObjList( pView->GetModel(), NULL );
 178                 }
 179
 180                 if( pTmpObj1 )
 181                 {
 182                     SdrObject* pObj1 = pTmpObj1->Clone();
 183                     pObjList->InsertObject( pObj1 );
 184                     pEdgeObj->ConnectToNode( true, pObj1 );
 185                 }
 186                 if( pTmpObj2 )
 187                 {
 188                     SdrObject* pObj2 = pTmpObj2->Clone();
 189                     pObjList->InsertObject( pObj2 );
 190                     pEdgeObj->ConnectToNode( false, pObj2 );
 191                 }
 192                 pObjList->InsertObject( pEdgeObj );
 193             }
 194         }
 195     }
 196
 197     if( !pEdgeObj )
 198         pEdgeObj = new SdrEdgeObj();
 199
 200     AdaptSize();
 201 }
 202
 203 void SvxXConnectionPreview::Paint( const Rectangle& )
 204 {
 205     if( pObjList )
 206     {
 207         // #110094#
 208         // This will not work anymore. To not start at Adam and Eve, i will
 209         // ATM not try to change all this stuff to really using an own model
 210         // and a view. I will just try to provide a mechanism to paint such
 211         // objects without own model and without a page/view with the new
 212         // mechanism.
 213
 214         // New stuff: Use a ObjectContactOfObjListPainter.
 215         sdr::contact::SdrObjectVector aObjectVector;
 216
 217         for(sal_uInt32 a(0L); a < pObjList->GetObjCount(); a++)
 218         {
 219             SdrObject* pObject = pObjList->GetObj(a);
 220             DBG_ASSERT(pObject,
 221                 "SvxXConnectionPreview::Paint: Corrupt ObjectList (!)");
 222             aObjectVector.push_back(pObject);
 223         }
 224
 225         sdr::contact::ObjectContactOfObjListPainter aPainter(*this, aObjectVector, 0);
 226         sdr::contact::DisplayInfo aDisplayInfo;
 227
 228         // do processing
 229         aPainter.ProcessDisplay(aDisplayInfo);
 230     }
 231 }
 232
 233 void SvxXConnectionPreview::SetAttributes( const SfxItemSet& rInAttrs )
 234 {
 235     pEdgeObj->SetMergedItemSetAndBroadcast(rInAttrs);
 236
 237     Invalidate();
 238 }
 239
 240
 241 // Get number of lines which are offset based on the preview object
 242
 243 sal_uInt16 SvxXConnectionPreview::GetLineDeltaAnz()
 244 {
 245     const SfxItemSet& rSet = pEdgeObj->GetMergedItemSet();
 246     sal_uInt16 nCount(0);
 247
 248     if(SFX_ITEM_DONTCARE != rSet.GetItemState(SDRATTR_EDGELINEDELTAANZ))
 249         nCount = ((const SdrEdgeLineDeltaAnzItem&)rSet.Get(SDRATTR_EDGELINEDELTAANZ)).GetValue();
 250
 251     return nCount;
 252 }
 253
 254 void SvxXConnectionPreview::MouseButtonDown( const MouseEvent& rMEvt )
 255 {
 256     bool bZoomIn  = rMEvt.IsLeft() && !rMEvt.IsShift();
 257     bool bZoomOut = rMEvt.IsRight() || rMEvt.IsShift();
 258     bool bCtrl    = rMEvt.IsMod1();
 259
 260     if( bZoomIn || bZoomOut )
 261     {
 262         MapMode aMapMode = GetMapMode();
 263         Fraction aXFrac = aMapMode.GetScaleX();
 264         Fraction aYFrac = aMapMode.GetScaleY();
 265         Fraction* pMultFrac;
 266
 267         if( bZoomIn )
 268         {
 269             if( bCtrl )
 270                 pMultFrac = new Fraction( 3, 2 );
 271             else
 272                 pMultFrac = new Fraction( 11, 10 );
 273         }
 274         else
 275         {
 276             if( bCtrl )
 277                 pMultFrac = new Fraction( 2, 3 );
 278             else
 279                 pMultFrac = new Fraction( 10, 11 );
 280         }
 281
 282         aXFrac *= *pMultFrac;
 283         aYFrac *= *pMultFrac;
 284         if( (double)aXFrac > 0.001 && (double)aXFrac < 1000.0 &&
 285             (double)aYFrac > 0.001 && (double)aYFrac < 1000.0 )
 286         {
 287             aMapMode.SetScaleX( aXFrac );
 288             aMapMode.SetScaleY( aYFrac );
 289             SetMapMode( aMapMode );
 290
 291             Size aOutSize( GetOutputSize() );
 292
 293             Point aPt( aMapMode.GetOrigin() );
 294             long nX = (long)( ( (double)aOutSize.Width() - ( (double)aOutSize.Width() * (double)*pMultFrac  ) ) / 2.0 + 0.5 );
 295             long nY = (long)( ( (double)aOutSize.Height() - ( (double)aOutSize.Height() * (double)*pMultFrac  ) ) / 2.0 + 0.5 );
 296             aPt.X() +=  nX;
 297             aPt.Y() +=  nY;
 298
 299             aMapMode.SetOrigin( aPt );
 300             SetMapMode( aMapMode );
 301
 302             Invalidate();
 303         }
 304         delete pMultFrac;
 305     }
 306 }
 307
 308 void SvxXConnectionPreview::SetStyles()
 309 {
 310     const StyleSettings& rStyles = Application::GetSettings().GetStyleSettings();
 311     SetDrawMode( GetSettings().GetStyleSettings().GetHighContrastMode() ? OUTPUT_DRAWMODE_CONTRAST : OUTPUT_DRAWMODE_COLOR );
 312     SetBackground( Wallpaper( Color( rStyles.GetFieldColor() ) ) );
 313 }
 314
 315 void SvxXConnectionPreview::DataChanged( const DataChangedEvent& rDCEvt )
 316 {
 317     Control::DataChanged( rDCEvt );
 318
 319     if ( (rDCEvt.GetType() == DATACHANGED_SETTINGS) && (rDCEvt.GetFlags() & SETTINGS_STYLE) )
 320     {
 321         SetStyles();
 322     }
 323 }
 324
 325 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */