Files
libreoffice/sw/source/ui/uiview/scroll.cxx
Jens-Heiner Rechtien 7b0b5cdfee initial import
2000-09-18 16:15:01 +00:00

288 lines
8.1 KiB
C++

/*************************************************************************
*
* $RCSfile: scroll.cxx,v $
*
* $Revision: 1.1.1.1 $
*
* last change: $Author: hr $ $Date: 2000-09-18 17:14:48 $
*
* The Contents of this file are made available subject to the terms of
* either of the following licenses
*
* - GNU Lesser General Public License Version 2.1
* - Sun Industry Standards Source License Version 1.1
*
* Sun Microsystems Inc., October, 2000
*
* GNU Lesser General Public License Version 2.1
* =============================================
* Copyright 2000 by Sun Microsystems, Inc.
* 901 San Antonio Road, Palo Alto, CA 94303, USA
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License version 2.1, as published by the Free Software Foundation.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*
*
* Sun Industry Standards Source License Version 1.1
* =================================================
* The contents of this file are subject to the Sun Industry Standards
* Source License Version 1.1 (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.openoffice.org/license.html.
*
* Software provided under this License is provided on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING,
* WITHOUT LIMITATION, WARRANTIES THAT THE SOFTWARE IS FREE OF DEFECTS,
* MERCHANTABLE, FIT FOR A PARTICULAR PURPOSE, OR NON-INFRINGING.
* See the License for the specific provisions governing your rights and
* obligations concerning the Software.
*
* The Initial Developer of the Original Code is: Sun Microsystems, Inc.
*
* Copyright: 2000 by Sun Microsystems, Inc.
*
* All Rights Reserved.
*
* Contributor(s): _______________________________________
*
*
************************************************************************/
#ifdef PRECOMPILED
#include "ui_pch.hxx"
#endif
#pragma hdrstop
#include "swtypes.hxx"
#include "swrect.hxx"
#include "scroll.hxx"
SwScrollbar::SwScrollbar( Window *pWin, int bHoriz ) :
ScrollBar( pWin,
WinBits( WB_3DLOOK | WB_HIDE | ( bHoriz ? WB_HSCROLL : WB_VSCROLL) ) ),
bHori( bHoriz ),
bAuto( FALSE ),
bThumbEnabled( TRUE ),
bVisible(FALSE),
bSizeSet(FALSE)
{
}
SwScrollbar::~SwScrollbar() {}
/*------------------------------------------------------------------------
Beschreibung: wird nach einer Aenderung der Dokumentgroesse gerufen, um den
Range des Scrollbars neu einzustellen.
------------------------------------------------------------------------*/
void SwScrollbar::DocSzChgd( const Size &rSize )
{
aDocSz = rSize;
SetRange( Range( 0, bHori ? rSize.Width() : rSize.Height()) );
const ULONG nVisSize = GetVisibleSize();
SetLineSize( nVisSize * 10 / 100 );
SetPageSize( nVisSize * 77 / 100 );
}
/*------------------------------------------------------------------------
Beschreibung: wird nach einer Veraenderung des sichtbaren Ausschnittes
gerufen.
------------------------------------------------------------------------*/
void SwScrollbar::ViewPortChgd( const Rectangle &rRect )
{
long nThumb, nVisible;
if( bHori )
{
nThumb = rRect.Left();
nVisible = rRect.GetWidth();
}
else
{
nThumb = rRect.Top();
nVisible = rRect.GetHeight();
}
SetVisibleSize( nVisible );
DocSzChgd(aDocSz);
if ( bThumbEnabled )
SetThumbPos( nThumb );
long nVis = GetVisibleSize();
long nLen = GetRange().Len();
if(bAuto)
AutoShow();
}
void SwScrollbar::EnableThumbPos( BOOL bEnable, const SwRect &rVisArea )
{
bThumbEnabled = bEnable;
if ( bEnable )
{
long nThumb = bHori ? rVisArea.Left() : rVisArea.Top();
SetThumbPos( nThumb );
}
}
/*-----------------10/21/97 02:48pm-----------------
--------------------------------------------------*/
void SwScrollbar::Show( BOOL bSet )
{
bVisible = bSet;
if( (!bSet || bSizeSet) && IsUpdateMode() )
ScrollBar::Show(bSet);
}
/*-----------------10/21/97 03:23pm-----------------
--------------------------------------------------*/
void SwScrollbar::SetPosSizePixel( const Point& rNewPos, const Size& rNewSize )
{
ScrollBar::SetPosSizePixel(rNewPos, rNewSize);
bSizeSet = TRUE;
if(bVisible)
Show();
}
/*-----------------10/21/97 04:47pm-----------------
--------------------------------------------------*/
void SwScrollbar::SetUpdateMode( BOOL bUpdate )
{
ScrollBar::SetUpdateMode( bUpdate );
if(bUpdate &&
bVisible != ScrollBar::IsVisible())
Show(bVisible);
}
/*-----------------14.04.98 11:38-------------------
--------------------------------------------------*/
void SwScrollbar::SetAuto(BOOL bSet)
{
if(bAuto != bSet)
{
bAuto = bSet;
// automatisch versteckt - dann anzeigen
if(!bAuto && bVisible && !ScrollBar::IsVisible())
Show(TRUE);
else if(bAuto)
AutoShow(); // oder automatisch verstecken
}
}
/*-----------------14.04.98 11:43-------------------
--------------------------------------------------*/
void SwScrollbar::AutoShow()
{
long nVis = GetVisibleSize();
long nLen = GetRange().Len();
{
if( nVis >= nLen - 1)
{
if(bVisible)
Hide();
}
else if ( !ScrollBar::IsVisible() &&
(!bHori || nVis) ) //Optimierung fuer Browser.
//Horizontaler Scrollbar per
//default aus.
{
Show();
}
}
}
/*************************************************************************
$Log: not supported by cvs2svn $
Revision 1.63 2000/09/18 16:06:11 willem.vandorp
OpenOffice header added.
Revision 1.62 2000/03/03 15:17:04 os
StarView remainders removed
Revision 1.61 1999/03/03 11:52:18 MA
#62722# horizontaler Scrollbar bei Auto per default aus
Rev 1.60 03 Mar 1999 12:52:18 MA
#62722# horizontaler Scrollbar bei Auto per default aus
Rev 1.59 14 Apr 1998 12:10:08 OS
autom. Scrollbars: SetAuto() muss Sichtbarkeit ueberpruefen #49061#
Rev 1.58 21 Nov 1997 15:00:12 MA
includes
Rev 1.57 12 Nov 1997 17:09:14 MBA
SP3:
Rev 1.56 03 Nov 1997 13:58:30 MA
precomp entfernt
Rev 1.55 22 Oct 1997 08:12:42 OS
eigener UpdateMode zur Verhinderung des Flackerns #43684#
Rev 1.54 10 Sep 1997 10:12:34 OS
Scrollbars mit WB_HIDE erzeugen 43684
Rev 1.53 17 Jul 1997 16:58:44 HJS
includes
Rev 1.52 16 Jul 1997 18:52:34 MA
new: ThumbPos kann disabled werden
Rev 1.51 29 Jul 1996 15:47:22 MA
includes
Rev 1.50 23 May 1996 17:18:20 OS
automatische Scrollbars in Frame-Docs
Rev 1.49 06 May 1996 17:01:16 MA
chg: Scrollbars fuer browse und ole richtig
Rev 1.48 14 Mar 1996 17:10:48 MA
fix#26338#, richtige Reihenfolge der Einstellungen; Opts
Rev 1.47 03 Mar 1996 18:16:04 MA
opt: unuetzer Member vom Scrollbar
Rev 1.46 29 Nov 1995 12:12:56 OM
Scrollbars reaktiviert
Rev 1.45 27 Nov 1995 21:21:04 JP
ueberfluessige Methoden entfernt, optimiert
Rev 1.44 24 Nov 1995 16:57:54 OM
PCH->PRECOMPILED
Rev 1.43 08 Nov 1995 13:07:40 OS
Change => Set
Rev 1.42 30 Oct 1995 12:06:04 MA
chg: Get/Set Page/LineSize entfernt
Rev 1.41 19 Feb 1995 15:35:58 JP
CTOR: setze bHori richtig
*************************************************************************/