AOO410/main/basctl/source/dlged/dlgedview.cxx

/**************************************************************
 * 
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 * 
 *   http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 * 
 *************************************************************/



// MARKER(update_precomp.py): autogen include statement, do not remove
#include "precompiled_basctl.hxx"


#include "dlgedview.hxx"
#include "dlged.hxx"
#include <dlgedpage.hxx>

#ifndef _SVXIDS_HRC
#include <svx/svxids.hrc>
#endif
#include <sfx2/viewfrm.hxx>

#include <basidesh.hxx>
#include <iderdll.hxx>
#include "dlgedobj.hxx"

TYPEINIT1( DlgEdView, SdrView );

//----------------------------------------------------------------------------

DlgEdView::DlgEdView( SdrModel* pModel, OutputDevice* pOut, DlgEditor* pEditor )
	:SdrView( pModel, pOut )
	,pDlgEditor( pEditor )
{
	// #114898#
	SetBufferedOutputAllowed(true);
	SetBufferedOverlayAllowed(true);
}

//----------------------------------------------------------------------------

DlgEdView::~DlgEdView()
{
}

//----------------------------------------------------------------------------

void DlgEdView::MarkListHasChanged()
{
	SdrView::MarkListHasChanged();

	DlgEdHint aHint( DLGED_HINT_SELECTIONCHANGED );
	if ( pDlgEditor )
    {
		pDlgEditor->Broadcast( aHint );
        pDlgEditor->UpdatePropertyBrowserDelayed();
    }
}

//----------------------------------------------------------------------------

void DlgEdView::MakeVisible( const Rectangle& rRect, Window& rWin )
{
	// visible area
	MapMode aMap( rWin.GetMapMode() );
	Point aOrg( aMap.GetOrigin() );
	Size aVisSize( rWin.GetOutputSize() );
    Rectangle RectTmp( Point(-aOrg.X(),-aOrg.Y()), aVisSize );
	Rectangle aVisRect( RectTmp );

	// check, if rectangle is inside visible area
	if ( !aVisRect.IsInside( rRect ) )
	{
		// calculate scroll distance; the rectangle must be inside the visible area
		sal_Int32 nScrollX = 0, nScrollY = 0;

		sal_Int32 nVisLeft   = aVisRect.Left();
		sal_Int32 nVisRight  = aVisRect.Right();
		sal_Int32 nVisTop    = aVisRect.Top();
		sal_Int32 nVisBottom = aVisRect.Bottom();

		sal_Int32 nDeltaX = pDlgEditor->GetHScroll()->GetLineSize();
		sal_Int32 nDeltaY = pDlgEditor->GetVScroll()->GetLineSize();

		while ( rRect.Right() > nVisRight + nScrollX )
			nScrollX += nDeltaX;

		while ( rRect.Left() < nVisLeft + nScrollX )
			nScrollX -= nDeltaX;

		while ( rRect.Bottom() > nVisBottom + nScrollY )
			nScrollY += nDeltaY;

		while ( rRect.Top() < nVisTop + nScrollY )
			nScrollY -= nDeltaY;

		// don't scroll beyond the page size
		Size aPageSize = pDlgEditor->GetPage()->GetSize();
		sal_Int32 nPageWidth  = aPageSize.Width();
		sal_Int32 nPageHeight = aPageSize.Height();

		if ( nVisRight + nScrollX > nPageWidth )
			nScrollX = nPageWidth - nVisRight;

		if ( nVisLeft + nScrollX < 0 )
			nScrollX = -nVisLeft;

		if ( nVisBottom + nScrollY > nPageHeight )
			nScrollY = nPageHeight - nVisBottom;

		if ( nVisTop + nScrollY < 0 )
			nScrollY = -nVisTop;

		// scroll window
		rWin.Update();
		rWin.Scroll( -nScrollX, -nScrollY );
		aMap.SetOrigin( Point( aOrg.X() - nScrollX, aOrg.Y() - nScrollY ) );
		rWin.SetMapMode( aMap );
		rWin.Update();
		rWin.Invalidate();

		// update scroll bars
		if ( pDlgEditor )
			pDlgEditor->UpdateScrollBars();

		DlgEdHint aHint( DLGED_HINT_WINDOWSCROLLED );
		if ( pDlgEditor )
			pDlgEditor->Broadcast( aHint );
	}
}

//----------------------------------------------------------------------------

SdrObject* impLocalHitCorrection(SdrObject* pRetval, const Point& rPnt, sal_uInt16 nTol)
{
    DlgEdObj* pDlgEdObj = dynamic_cast< DlgEdObj* >(pRetval);

    if(pDlgEdObj)
    {
        bool bExcludeInner(false);

        if(0 != dynamic_cast< DlgEdForm* >(pRetval))
        {
            // from DlgEdForm::CheckHit; exclude inner for DlgEdForm
            bExcludeInner = true;
        }
        else if(pDlgEdObj->supportsService("com.sun.star.awt.UnoControlGroupBoxModel"))
        {
            // from DlgEdObj::CheckHit; exclude inner for group shapes
            bExcludeInner = true;
        }

        if(bExcludeInner)
        {
            // use direct model data; it's a DlgEdObj, so GetLastBoundRect()
            // will access aOutRect directly
            const Rectangle aOuterRectangle(pDlgEdObj->GetLastBoundRect());

	        if(!aOuterRectangle.IsEmpty() 
		        && RECT_EMPTY != aOuterRectangle.Right() 
		        && RECT_EMPTY != aOuterRectangle.Bottom())
	        {
                basegfx::B2DRange aOuterRange(
                    aOuterRectangle.Left(), aOuterRectangle.Top(), 
                    aOuterRectangle.Right(), aOuterRectangle.Bottom());

                if(nTol)
                {
                    aOuterRange.grow(-1.0 * nTol);
                }

                if(aOuterRange.isInside(basegfx::B2DPoint(rPnt.X(), rPnt.Y())))
                {
                    pRetval = 0;
                }
            }
        }
    }

    return pRetval;
}

SdrObject* DlgEdView::CheckSingleSdrObjectHit(const Point& rPnt, sal_uInt16 nTol, SdrObject* pObj, SdrPageView* pPV, sal_uLong nOptions, const SetOfByte* pMVisLay) const
{
    // call parent
    SdrObject* pRetval = SdrView::CheckSingleSdrObjectHit(rPnt, nTol, pObj, pPV, nOptions, pMVisLay);

    if(pRetval)
    {
        // check hitted object locally
        pRetval = impLocalHitCorrection(pRetval, rPnt, nTol);
    }

    return pRetval;
}

//----------------------------------------------------------------------------
// eof