140 lines
3.9 KiB
C++
140 lines
3.9 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*************************************************************************
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*
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* Copyright 2000, 2010 Oracle and/or its affiliates.
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*
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* OpenOffice.org - a multi-platform office productivity suite
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*
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* This file is part of OpenOffice.org.
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*
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* OpenOffice.org is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License version 3
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* only, as published by the Free Software Foundation.
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*
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* OpenOffice.org is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Lesser General Public License version 3 for more details
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* (a copy is included in the LICENSE file that accompanied this code).
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*
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* You should have received a copy of the GNU Lesser General Public License
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* version 3 along with OpenOffice.org. If not, see
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* <http://www.openoffice.org/license.html>
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* for a copy of the LGPLv3 License.
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*
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************************************************************************/
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#include "swtypes.hxx"
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#include "swrect.hxx"
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#include "scroll.hxx"
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#define SCROLL_LINE_SIZE 250
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SwScrollbar::SwScrollbar( Window *pWin, sal_Bool bHoriz ) :
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ScrollBar( pWin,
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WinBits( WB_3DLOOK | WB_HIDE | ( bHoriz ? WB_HSCROLL : WB_VSCROLL) ) ),
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bHori( bHoriz ),
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bAuto( sal_False ),
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bVisible(sal_False),
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bSizeSet(sal_False)
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{
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// SSA: --- RTL --- no mirroring for horizontal scrollbars
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if( bHoriz )
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EnableRTL( sal_False );
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}
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SwScrollbar::~SwScrollbar() {}
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/*------------------------------------------------------------------------
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Beschreibung: wird nach einer Aenderung der Dokumentgroesse gerufen, um den
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Range des Scrollbars neu einzustellen.
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------------------------------------------------------------------------*/
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void SwScrollbar::DocSzChgd( const Size &rSize )
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{
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aDocSz = rSize;
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SetRange( Range( 0, bHori ? rSize.Width() : rSize.Height()) );
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const sal_uLong nVisSize = GetVisibleSize();
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SetLineSize( SCROLL_LINE_SIZE );
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SetPageSize( nVisSize * 77 / 100 );
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}
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/*------------------------------------------------------------------------
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Beschreibung: wird nach einer Veraenderung des sichtbaren Ausschnittes
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gerufen.
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------------------------------------------------------------------------*/
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void SwScrollbar::ViewPortChgd( const Rectangle &rRect )
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{
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long nThumb, nVisible;
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if( bHori )
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{
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nThumb = rRect.Left();
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nVisible = rRect.GetWidth();
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}
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else
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{
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nThumb = rRect.Top();
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nVisible = rRect.GetHeight();
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}
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SetVisibleSize( nVisible );
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DocSzChgd(aDocSz);
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SetThumbPos( nThumb );
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if(bAuto)
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AutoShow();
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}
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void SwScrollbar::ExtendedShow( sal_Bool bSet )
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{
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bVisible = bSet;
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if( (!bSet || !bAuto) && IsUpdateMode() && bSizeSet)
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ScrollBar::Show(bSet);
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}
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void SwScrollbar::SetPosSizePixel( const Point& rNewPos, const Size& rNewSize )
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{
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ScrollBar::SetPosSizePixel(rNewPos, rNewSize);
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bSizeSet = sal_True;
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if(bVisible)
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ExtendedShow();
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}
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void SwScrollbar::SetAuto(sal_Bool bSet)
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{
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if(bAuto != bSet)
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{
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bAuto = bSet;
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// automatisch versteckt - dann anzeigen
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if(!bAuto && bVisible && !ScrollBar::IsVisible())
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ExtendedShow(sal_True);
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else if(bAuto)
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AutoShow(); // oder automatisch verstecken
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}
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}
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void SwScrollbar::AutoShow()
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{
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long nVis = GetVisibleSize();
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long nLen = GetRange().Len();
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if( nVis >= nLen - 1)
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{
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if(ScrollBar::IsVisible())
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ScrollBar::Show(sal_False);
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}
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else if ( !ScrollBar::IsVisible() )
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{
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ScrollBar::Show(sal_True);
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}
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}
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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