basctl/source/dlged/dlgedview.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 <dlgedview.hxx>
  21 #include <dlged.hxx>
  22 #include <dlgedpage.hxx>
  23
  24 #include <svx/svxids.hrc>
  25 #include <sfx2/viewfrm.hxx>
  26
  27 #include <basidesh.hxx>
  28 #include <iderdll.hxx>
  29 #include <dlgedobj.hxx>
  30
  31 namespace basctl
  32 {
  33
  34 DlgEdView::DlgEdView(
  35     SdrModel& rSdrModel,
  36     OutputDevice& rOut,
  37     DlgEditor& rEditor)
  38 :   SdrView(rSdrModel, &rOut),
  39     rDlgEditor(rEditor)
  40 {
  41     SetBufferedOutputAllowed(true);
  42     SetBufferedOverlayAllowed(true);
  43 }
  44
  45 DlgEdView::~DlgEdView()
  46 {
  47 }
  48
  49 void DlgEdView::MarkListHasChanged()
  50 {
  51     SdrView::MarkListHasChanged();
  52
  53     DlgEdHint aHint( DlgEdHint::SELECTIONCHANGED );
  54     rDlgEditor.Broadcast( aHint );
  55     rDlgEditor.UpdatePropertyBrowserDelayed();
  56 }
  57
  58 void DlgEdView::MakeVisible( const tools::Rectangle& rRect, vcl::Window& rWin )
  59 {
  60     // visible area
  61     MapMode aMap( rWin.GetMapMode() );
  62     Point aOrg( aMap.GetOrigin() );
  63     Size aVisSize( rWin.GetOutputSize() );
  64     tools::Rectangle RectTmp( Point(-aOrg.X(),-aOrg.Y()), aVisSize );
  65     tools::Rectangle aVisRect( RectTmp );
  66
  67     // check, if rectangle is inside visible area
  68     if ( !aVisRect.IsInside( rRect ) )
  69     {
  70         // calculate scroll distance; the rectangle must be inside the visible area
  71         sal_Int32 nScrollX = 0, nScrollY = 0;
  72
  73         sal_Int32 nVisLeft   = aVisRect.Left();
  74         sal_Int32 nVisRight  = aVisRect.Right();
  75         sal_Int32 nVisTop    = aVisRect.Top();
  76         sal_Int32 nVisBottom = aVisRect.Bottom();
  77
  78         sal_Int32 nDeltaX = rDlgEditor.GetHScroll()->GetLineSize();
  79         sal_Int32 nDeltaY = rDlgEditor.GetVScroll()->GetLineSize();
  80
  81         while ( rRect.Right() > nVisRight + nScrollX )
  82             nScrollX += nDeltaX;
  83
  84         while ( rRect.Left() < nVisLeft + nScrollX )
  85             nScrollX -= nDeltaX;
  86
  87         while ( rRect.Bottom() > nVisBottom + nScrollY )
  88             nScrollY += nDeltaY;
  89
  90         while ( rRect.Top() < nVisTop + nScrollY )
  91             nScrollY -= nDeltaY;
  92
  93         // don't scroll beyond the page size
  94         Size aPageSize = rDlgEditor.GetPage().GetSize();
  95         sal_Int32 nPageWidth  = aPageSize.Width();
  96         sal_Int32 nPageHeight = aPageSize.Height();
  97
  98         if ( nVisRight + nScrollX > nPageWidth )
  99             nScrollX = nPageWidth - nVisRight;
 100
 101         if ( nVisLeft + nScrollX < 0 )
 102             nScrollX = -nVisLeft;
 103
 104         if ( nVisBottom + nScrollY > nPageHeight )
 105             nScrollY = nPageHeight - nVisBottom;
 106
 107         if ( nVisTop + nScrollY < 0 )
 108             nScrollY = -nVisTop;
 109
 110         // scroll window
 111         rWin.Update();
 112         rWin.Scroll( -nScrollX, -nScrollY );
 113         aMap.SetOrigin( Point( aOrg.X() - nScrollX, aOrg.Y() - nScrollY ) );
 114         rWin.SetMapMode( aMap );
 115         rWin.Update();
 116         rWin.Invalidate();
 117
 118         // update scroll bars
 119         rDlgEditor.UpdateScrollBars();
 120
 121         DlgEdHint aHint( DlgEdHint::WINDOWSCROLLED );
 122         rDlgEditor.Broadcast( aHint );
 123     }
 124 }
 125
 126 SdrObject* impLocalHitCorrection(SdrObject* pRetval, const Point& rPnt, sal_uInt16 nTol)
 127 {
 128     DlgEdObj* pDlgEdObj = dynamic_cast< DlgEdObj* >(pRetval);
 129
 130     if(pDlgEdObj)
 131     {
 132         bool bExcludeInner(false);
 133
 134         if(dynamic_cast< DlgEdForm* >(pRetval) != nullptr)
 135         {
 136             // from DlgEdForm::CheckHit; exclude inner for DlgEdForm
 137             bExcludeInner = true;
 138         }
 139         else if(pDlgEdObj->supportsService("com.sun.star.awt.UnoControlGroupBoxModel"))
 140         {
 141             // from DlgEdObj::CheckHit; exclude inner for group shapes
 142             bExcludeInner = true;
 143         }
 144
 145         if(bExcludeInner)
 146         {
 147             // use direct model data; it's a DlgEdObj, so GetLastBoundRect()
 148             // will access aOutRect directly
 149             const tools::Rectangle aOuterRectangle(pDlgEdObj->GetLastBoundRect());
 150
 151             if(!aOuterRectangle.IsEmpty())
 152             {
 153                 basegfx::B2DRange aOuterRange(
 154                     aOuterRectangle.Left(), aOuterRectangle.Top(),
 155                     aOuterRectangle.Right(), aOuterRectangle.Bottom());
 156
 157                 if(nTol)
 158                 {
 159                     aOuterRange.grow(-1.0 * nTol);
 160                 }
 161
 162                 if(aOuterRange.isInside(basegfx::B2DPoint(rPnt.X(), rPnt.Y())))
 163                 {
 164                     pRetval = nullptr;
 165                 }
 166             }
 167         }
 168     }
 169
 170     return pRetval;
 171 }
 172
 173 SdrObject* DlgEdView::CheckSingleSdrObjectHit(const Point& rPnt, sal_uInt16 nTol, SdrObject* pObj, SdrPageView* pPV, SdrSearchOptions nOptions, const SdrLayerIDSet* pMVisLay) const
 174 {
 175     // call parent
 176     SdrObject* pRetval = SdrView::CheckSingleSdrObjectHit(rPnt, nTol, pObj, pPV, nOptions, pMVisLay);
 177
 178     if(pRetval)
 179     {
 180         // check hitted object locally
 181         pRetval = impLocalHitCorrection(pRetval, rPnt, nTol);
 182     }
 183
 184     return pRetval;
 185 }
 186
 187 } // namespace basctl
 188
 189 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */