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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 16:51:28 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 16:51:28 +0000 |
commit | 940b4d1848e8c70ab7642901a68594e8016caffc (patch) | |
tree | eb72f344ee6c3d9b80a7ecc079ea79e9fba8676d /sw/source/uibase/uiview/scroll.cxx | |
parent | Initial commit. (diff) | |
download | libreoffice-upstream.tar.xz libreoffice-upstream.zip |
Adding upstream version 1:7.0.4.upstream/1%7.0.4upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'sw/source/uibase/uiview/scroll.cxx')
-rw-r--r-- | sw/source/uibase/uiview/scroll.cxx | 119 |
1 files changed, 119 insertions, 0 deletions
diff --git a/sw/source/uibase/uiview/scroll.cxx b/sw/source/uibase/uiview/scroll.cxx new file mode 100644 index 000000000..e44154b34 --- /dev/null +++ b/sw/source/uibase/uiview/scroll.cxx @@ -0,0 +1,119 @@ +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ +/* + * This file is part of the LibreOffice project. + * + * This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. + * + * This file incorporates work covered by the following license notice: + * + * 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 . + */ + +#include <scroll.hxx> + +#define SCROLL_LINE_SIZE 250 + +SwScrollbar::SwScrollbar( vcl::Window *pWin, bool bHoriz ) : + ScrollBar( pWin, + WinBits( WB_3DLOOK | WB_HIDE | ( bHoriz ? WB_HSCROLL : WB_VSCROLL) ) ), + bHori( bHoriz ), + bAuto( false ), + bVisible(false), + bSizeSet(false) +{ + // No mirroring for horizontal scrollbars + if( bHoriz ) + EnableRTL( false ); +} + + SwScrollbar::~SwScrollbar() {} + +// Will be called after a change of the document size +// to refresh the range of the scrollbars. + +void SwScrollbar::DocSzChgd( const Size &rSize ) +{ + aDocSz = rSize; + SetRange( Range( 0, bHori ? rSize.Width() : rSize.Height()) ); + const sal_uLong nVisSize = GetVisibleSize(); + SetLineSize( SCROLL_LINE_SIZE ); + SetPageSize( nVisSize * 77 / 100 ); +} + +// Will be called after a change of the visible view section. + +void SwScrollbar::ViewPortChgd( const tools::Rectangle &rRect ) +{ + long nThumb, nVisible; + if( bHori ) + { + nThumb = rRect.Left(); + nVisible = rRect.GetWidth(); + } + else + { + nThumb = rRect.Top(); + nVisible = rRect.GetHeight(); + } + + SetVisibleSize( nVisible ); + DocSzChgd(aDocSz); + SetThumbPos( nThumb ); + if(bAuto) + AutoShow(); +} + +void SwScrollbar::ExtendedShow( bool bSet ) +{ + bVisible = bSet; + if( (!bSet || !bAuto) && IsUpdateMode() && bSizeSet) + ScrollBar::Show(bSet); +} + +void SwScrollbar::SetPosSizePixel( const Point& rNewPos, const Size& rNewSize ) +{ + ScrollBar::SetPosSizePixel(rNewPos, rNewSize); + bSizeSet = true; + if(bVisible) + ExtendedShow(); + +} + +void SwScrollbar::SetAuto(bool bSet) +{ + if(bAuto != bSet) + { + bAuto = bSet; + + // hide automatically - then show + if(!bAuto && bVisible && !ScrollBar::IsVisible()) + ExtendedShow(); + else if(bAuto) + AutoShow(); // or hide automatically + } +} + +void SwScrollbar::AutoShow() +{ + long nVis = GetVisibleSize(); + long nLen = GetRange().Len(); + if( nVis >= nLen - 1) + { + if(ScrollBar::IsVisible()) + ScrollBar::Show(false); + } + else if ( !ScrollBar::IsVisible() ) + { + ScrollBar::Show(); + } +} + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |