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 <svtools/scrolladaptor.hxx>
  25 #include <vcl/canvastools.hxx>
  26
  27 #include <dlgedobj.hxx>
  28
  29 namespace basctl
  30 {
  31
  32 DlgEdView::DlgEdView(
  33     SdrModel& rSdrModel,
  34     OutputDevice& rOut,
  35     DlgEditor& rEditor)
  36 :   SdrView(rSdrModel, &rOut),
  37     rDlgEditor(rEditor)
  38 {
  39     SetBufferedOutputAllowed(true);
  40     SetBufferedOverlayAllowed(true);
  41 }
  42
  43 DlgEdView::~DlgEdView()
  44 {
  45 }
  46
  47 void DlgEdView::MarkListHasChanged()
  48 {
  49     SdrView::MarkListHasChanged();
  50
  51     DlgEdHint aHint( DlgEdHint::SELECTIONCHANGED );
  52     rDlgEditor.Broadcast( aHint );
  53     rDlgEditor.UpdatePropertyBrowserDelayed();
  54 }
  55
  56 void DlgEdView::MakeVisible( const tools::Rectangle& rRect, vcl::Window& rWin )
  57 {
  58     // visible area
  59     MapMode aMap( rWin.GetMapMode() );
  60     Point aOrg( aMap.GetOrigin() );
  61     Size aVisSize( rWin.GetOutDev()->GetOutputSize() );
  62     tools::Rectangle RectTmp( Point(-aOrg.X(),-aOrg.Y()), aVisSize );
  63     tools::Rectangle aVisRect( RectTmp );
  64
  65     // check, if rectangle is inside visible area
  66     if ( aVisRect.Contains( rRect ) )
  67         return;
  68
  69     // calculate scroll distance; the rectangle must be inside the visible area
  70     sal_Int32 nScrollX = 0, nScrollY = 0;
  71
  72     sal_Int32 nVisLeft   = aVisRect.Left();
  73     sal_Int32 nVisRight  = aVisRect.Right();
  74     sal_Int32 nVisTop    = aVisRect.Top();
  75     sal_Int32 nVisBottom = aVisRect.Bottom();
  76
  77     sal_Int32 nDeltaX = rDlgEditor.GetHScroll()->GetLineSize();
  78     sal_Int32 nDeltaY = rDlgEditor.GetVScroll()->GetLineSize();
  79
  80     while ( rRect.Right() > nVisRight + nScrollX )
  81         nScrollX += nDeltaX;
  82
  83     while ( rRect.Left() < nVisLeft + nScrollX )
  84         nScrollX -= nDeltaX;
  85
  86     while ( rRect.Bottom() > nVisBottom + nScrollY )
  87         nScrollY += nDeltaY;
  88
  89     while ( rRect.Top() < nVisTop + nScrollY )
  90         nScrollY -= nDeltaY;
  91
  92     // don't scroll beyond the page size
  93     Size aPageSize = rDlgEditor.GetPage().GetSize();
  94     sal_Int32 nPageWidth  = aPageSize.Width();
  95     sal_Int32 nPageHeight = aPageSize.Height();
  96
  97     if ( nVisRight + nScrollX > nPageWidth )
  98         nScrollX = nPageWidth - nVisRight;
  99
 100     if ( nVisLeft + nScrollX < 0 )
 101         nScrollX = -nVisLeft;
 102
 103     if ( nVisBottom + nScrollY > nPageHeight )
 104         nScrollY = nPageHeight - nVisBottom;
 105
 106     if ( nVisTop + nScrollY < 0 )
 107         nScrollY = -nVisTop;
 108
 109     // scroll window
 110     rWin.PaintImmediately();
 111     rWin.Scroll( -nScrollX, -nScrollY );
 112     aMap.SetOrigin( Point( aOrg.X() - nScrollX, aOrg.Y() - nScrollY ) );
 113     rWin.SetMapMode( aMap );
 114     rWin.Invalidate();
 115
 116     // update scroll bars
 117     rDlgEditor.UpdateScrollBars();
 118
 119     DlgEdHint aHint( DlgEdHint::WINDOWSCROLLED );
 120     rDlgEditor.Broadcast( aHint );
 121 }
 122
 123 static SdrObject* impLocalHitCorrection(SdrObject* pRetval, const Point& rPnt, sal_uInt16 nTol)
 124 {
 125     DlgEdObj* pDlgEdObj = dynamic_cast< DlgEdObj* >(pRetval);
 126
 127     if(pDlgEdObj)
 128     {
 129         bool bExcludeInner(false);
 130
 131         if(dynamic_cast< DlgEdForm* >(pRetval) != nullptr)
 132         {
 133             // from DlgEdForm::CheckHit; exclude inner for DlgEdForm
 134             bExcludeInner = true;
 135         }
 136         else if(pDlgEdObj->supportsService(u"com.sun.star.awt.UnoControlGroupBoxModel"_ustr))
 137         {
 138             // from DlgEdObj::CheckHit; exclude inner for group shapes
 139             bExcludeInner = true;
 140         }
 141
 142         if(bExcludeInner)
 143         {
 144             // use direct model data; it's a DlgEdObj, so GetLastBoundRect()
 145             // will access aOutRect directly
 146             const tools::Rectangle aOuterRectangle(pDlgEdObj->GetLastBoundRect());
 147
 148             if(!aOuterRectangle.IsEmpty())
 149             {
 150                 basegfx::B2DRange aOuterRange = vcl::unotools::b2DRectangleFromRectangle(aOuterRectangle);
 151
 152                 if(nTol)
 153                 {
 154                     aOuterRange.grow(-1.0 * nTol);
 155                 }
 156
 157                 if(aOuterRange.isInside(basegfx::B2DPoint(rPnt.X(), rPnt.Y())))
 158                 {
 159                     pRetval = nullptr;
 160                 }
 161             }
 162         }
 163     }
 164
 165     return pRetval;
 166 }
 167
 168 SdrObject* DlgEdView::CheckSingleSdrObjectHit(const Point& rPnt, sal_uInt16 nTol, SdrObject* pObj, SdrPageView* pPV, SdrSearchOptions nOptions, const SdrLayerIDSet* pMVisLay) const
 169 {
 170     // call parent
 171     SdrObject* pRetval = SdrView::CheckSingleSdrObjectHit(rPnt, nTol, pObj, pPV, nOptions, pMVisLay);
 172
 173     if(pRetval)
 174     {
 175         // check hit object locally
 176         pRetval = impLocalHitCorrection(pRetval, rPnt, nTol);
 177     }
 178
 179     return pRetval;
 180 }
 181
 182 } // namespace basctl
 183
 184 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */