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 TYPEINIT1( DlgEdView, SdrView );
  35
  36 //----------------------------------------------------------------------------
  37
  38 DlgEdView::DlgEdView (SdrModel& rModel, OutputDevice& rOut, DlgEditor& rEditor) :
  39     SdrView(&rModel, &rOut),
  40     rDlgEditor(rEditor)
  41 {
  42     // #114898#
  43     SetBufferedOutputAllowed(true);
  44     SetBufferedOverlayAllowed(true);
  45 }
  46
  47 //----------------------------------------------------------------------------
  48
  49 DlgEdView::~DlgEdView()
  50 {
  51 }
  52
  53 //----------------------------------------------------------------------------
  54
  55 void DlgEdView::MarkListHasChanged()
  56 {
  57     SdrView::MarkListHasChanged();
  58
  59     DlgEdHint aHint( DlgEdHint::SELECTIONCHANGED );
  60     rDlgEditor.Broadcast( aHint );
  61     rDlgEditor.UpdatePropertyBrowserDelayed();
  62 }
  63
  64 //----------------------------------------------------------------------------
  65
  66 void DlgEdView::MakeVisible( const Rectangle& rRect, Window& rWin )
  67 {
  68     // visible area
  69     MapMode aMap( rWin.GetMapMode() );
  70     Point aOrg( aMap.GetOrigin() );
  71     Size aVisSize( rWin.GetOutputSize() );
  72     Rectangle RectTmp( Point(-aOrg.X(),-aOrg.Y()), aVisSize );
  73     Rectangle aVisRect( RectTmp );
  74
  75     // check, if rectangle is inside visible area
  76     if ( !aVisRect.IsInside( rRect ) )
  77     {
  78         // calculate scroll distance; the rectangle must be inside the visible area
  79         sal_Int32 nScrollX = 0, nScrollY = 0;
  80
  81         sal_Int32 nVisLeft   = aVisRect.Left();
  82         sal_Int32 nVisRight  = aVisRect.Right();
  83         sal_Int32 nVisTop    = aVisRect.Top();
  84         sal_Int32 nVisBottom = aVisRect.Bottom();
  85
  86         sal_Int32 nDeltaX = rDlgEditor.GetHScroll()->GetLineSize();
  87         sal_Int32 nDeltaY = rDlgEditor.GetVScroll()->GetLineSize();
  88
  89         while ( rRect.Right() > nVisRight + nScrollX )
  90             nScrollX += nDeltaX;
  91
  92         while ( rRect.Left() < nVisLeft + nScrollX )
  93             nScrollX -= nDeltaX;
  94
  95         while ( rRect.Bottom() > nVisBottom + nScrollY )
  96             nScrollY += nDeltaY;
  97
  98         while ( rRect.Top() < nVisTop + nScrollY )
  99             nScrollY -= nDeltaY;
 100
 101         // don't scroll beyond the page size
 102         Size aPageSize = rDlgEditor.GetPage().GetSize();
 103         sal_Int32 nPageWidth  = aPageSize.Width();
 104         sal_Int32 nPageHeight = aPageSize.Height();
 105
 106         if ( nVisRight + nScrollX > nPageWidth )
 107             nScrollX = nPageWidth - nVisRight;
 108
 109         if ( nVisLeft + nScrollX < 0 )
 110             nScrollX = -nVisLeft;
 111
 112         if ( nVisBottom + nScrollY > nPageHeight )
 113             nScrollY = nPageHeight - nVisBottom;
 114
 115         if ( nVisTop + nScrollY < 0 )
 116             nScrollY = -nVisTop;
 117
 118         // scroll window
 119         rWin.Update();
 120         rWin.Scroll( -nScrollX, -nScrollY );
 121         aMap.SetOrigin( Point( aOrg.X() - nScrollX, aOrg.Y() - nScrollY ) );
 122         rWin.SetMapMode( aMap );
 123         rWin.Update();
 124         rWin.Invalidate();
 125
 126         // update scroll bars
 127         rDlgEditor.UpdateScrollBars();
 128
 129         DlgEdHint aHint( DlgEdHint::WINDOWSCROLLED );
 130         rDlgEditor.Broadcast( aHint );
 131     }
 132 }
 133
 134 //----------------------------------------------------------------------------
 135
 136 SdrObject* impLocalHitCorrection(SdrObject* pRetval, const Point& rPnt, sal_uInt16 nTol)
 137 {
 138     DlgEdObj* pDlgEdObj = dynamic_cast< DlgEdObj* >(pRetval);
 139
 140     if(pDlgEdObj)
 141     {
 142         bool bExcludeInner(false);
 143
 144         if(0 != dynamic_cast< DlgEdForm* >(pRetval))
 145         {
 146             // from DlgEdForm::CheckHit; exclude inner for DlgEdForm
 147             bExcludeInner = true;
 148         }
 149         else if(pDlgEdObj->supportsService("com.sun.star.awt.UnoControlGroupBoxModel"))
 150         {
 151             // from DlgEdObj::CheckHit; exclude inner for group shapes
 152             bExcludeInner = true;
 153         }
 154
 155         if(bExcludeInner)
 156         {
 157             // use direct model data; it's a DlgEdObj, so GetLastBoundRect()
 158             // will access aOutRect directly
 159             const Rectangle aOuterRectangle(pDlgEdObj->GetLastBoundRect());
 160
 161             if(!aOuterRectangle.IsEmpty()
 162                 && RECT_EMPTY != aOuterRectangle.Right()
 163                 && RECT_EMPTY != aOuterRectangle.Bottom())
 164             {
 165                 basegfx::B2DRange aOuterRange(
 166                     aOuterRectangle.Left(), aOuterRectangle.Top(),
 167                     aOuterRectangle.Right(), aOuterRectangle.Bottom());
 168
 169                 if(nTol)
 170                 {
 171                     aOuterRange.grow(-1.0 * nTol);
 172                 }
 173
 174                 if(aOuterRange.isInside(basegfx::B2DPoint(rPnt.X(), rPnt.Y())))
 175                 {
 176                     pRetval = 0;
 177                 }
 178             }
 179         }
 180     }
 181
 182     return pRetval;
 183 }
 184
 185 SdrObject* DlgEdView::CheckSingleSdrObjectHit(const Point& rPnt, sal_uInt16 nTol, SdrObject* pObj, SdrPageView* pPV, sal_uLong nOptions, const SetOfByte* pMVisLay) const
 186 {
 187     // call parent
 188     SdrObject* pRetval = SdrView::CheckSingleSdrObjectHit(rPnt, nTol, pObj, pPV, nOptions, pMVisLay);
 189
 190     if(pRetval)
 191     {
 192         // check hitted object locally
 193         pRetval = impLocalHitCorrection(pRetval, rPnt, nTol);
 194     }
 195
 196     return pRetval;
 197 }
 198
 199 } // namespace basctl
 200
 201 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */