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Diffstat (limited to 'accessibility/inc/helper/listboxhelper.hxx')
| -rw-r--r-- | accessibility/inc/helper/listboxhelper.hxx | 186 |
1 files changed, 186 insertions, 0 deletions
diff --git a/accessibility/inc/helper/listboxhelper.hxx b/accessibility/inc/helper/listboxhelper.hxx new file mode 100644 index 000000000..dfadf37aa --- /dev/null +++ b/accessibility/inc/helper/listboxhelper.hxx @@ -0,0 +1,186 @@ +/* -*- 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 . + */ + +#pragma once + +#include <helper/IComboListBoxHelper.hxx> +#include <com/sun/star/datatransfer/clipboard/XClipboard.hpp> +#include <tools/gen.hxx> + + +// globals + + +const sal_Int32 DEFAULT_INDEX_IN_PARENT = -1; + + + + +template< class T > class VCLListBoxHelper final : public ::accessibility::IComboListBoxHelper +{ +private: + T& m_aComboListBox; + +public: + VCLListBoxHelper( T& _pListBox ) : + m_aComboListBox( _pListBox ){} + + + virtual OUString GetEntry( sal_Int32 nPos ) const override + { + return m_aComboListBox.GetEntry( nPos ); + } + + virtual tools::Rectangle GetDropDownPosSizePixel() const override + { + tools::Rectangle aTemp = m_aComboListBox.GetWindowExtentsRelative(nullptr); + tools::Rectangle aRet = m_aComboListBox.GetDropDownPosSizePixel(); + aRet.Move(aTemp.Left(), aTemp.Top()); + return aRet; + } + + virtual tools::Rectangle GetBoundingRectangle( sal_uInt16 nItem ) const override + { + tools::Rectangle aRect; + if ( m_aComboListBox.IsInDropDown() && IsEntryVisible( nItem ) ) + { + tools::Rectangle aTemp = m_aComboListBox.GetDropDownPosSizePixel(); + Size aSize = aTemp.GetSize(); + sal_uInt16 nLineCount = m_aComboListBox.GetDisplayLineCount(); + assert(nLineCount && "div-by-zero"); + aSize.setHeight( aSize.Height() / nLineCount ); + Point aTopLeft = aTemp.TopLeft(); + aTopLeft.AdjustY( aSize.Height() * ( nItem - m_aComboListBox.GetTopEntry() ) ); + aRect = tools::Rectangle( aTopLeft, aSize ); + } + else + aRect = m_aComboListBox.GetBoundingRectangle( nItem ); + return aRect; + } + + virtual tools::Rectangle GetWindowExtentsRelative() override + { + return m_aComboListBox.GetWindowExtentsRelative( nullptr ); + } + + virtual bool IsEnabled() const override + { + return m_aComboListBox.IsEnabled(); + } + + virtual bool IsEntryVisible( sal_Int32 nPos ) const override + { + sal_Int32 nTopEntry = m_aComboListBox.GetTopEntry(); + sal_uInt16 nLines = m_aComboListBox.GetDisplayLineCount(); + return ( nPos >= nTopEntry && nPos < ( nTopEntry + nLines ) ); + } + + virtual sal_uInt16 GetDisplayLineCount() const override + { + return m_aComboListBox.GetDisplayLineCount(); + } + + virtual void GetMaxVisColumnsAndLines( sal_uInt16& rnCols, sal_uInt16& rnLines ) const override + { + m_aComboListBox.GetMaxVisColumnsAndLines(rnCols,rnLines); + } + + virtual WinBits GetStyle() const override + { + return m_aComboListBox.GetStyle(); + } + + virtual bool IsMultiSelectionEnabled() const override + { + return m_aComboListBox.IsMultiSelectionEnabled(); + } + + virtual sal_Int32 GetTopEntry() const override + { + return m_aComboListBox.GetTopEntry(); + } + + virtual bool IsEntryPosSelected( sal_Int32 nPos ) const override + { + return m_aComboListBox.IsEntryPosSelected(nPos); + } + + virtual sal_Int32 GetEntryCount() const override + { + return m_aComboListBox.GetEntryCount(); + } + + virtual void Select() override + { + m_aComboListBox.Select(); + } + + virtual void SelectEntryPos( sal_Int32 nPos, bool bSelect = true ) override + { + m_aComboListBox.SelectEntryPos(nPos,bSelect); + } + + virtual sal_Int32 GetSelectedEntryCount() const override + { + return m_aComboListBox.GetSelectedEntryCount(); + } + + virtual void SetNoSelection() override + { + m_aComboListBox.SetNoSelection(); + } + + virtual sal_Int32 GetSelectedEntryPos( sal_Int32 nSelIndex = 0 ) const override + { + return m_aComboListBox.GetSelectedEntryPos(nSelIndex); + } + + virtual bool IsInDropDown() const override + { + return m_aComboListBox.IsInDropDown(); + } + + virtual tools::Rectangle GetEntryCharacterBounds( const sal_Int32 _nEntryPos, const sal_Int32 _nCharacterIndex ) const override + { + tools::Rectangle aRect; + + Pair aEntryCharacterRange = m_aComboListBox.GetLineStartEnd( _nEntryPos ); + if ( aEntryCharacterRange.A() + _nCharacterIndex <= aEntryCharacterRange.B() ) + { + tools::Long nIndex = aEntryCharacterRange.A() + _nCharacterIndex; + aRect = m_aComboListBox.GetCharacterBounds( nIndex ); + } + return aRect; + } + + tools::Long GetIndexForPoint( const Point& rPoint, sal_Int32& nPos ) const override + { + return m_aComboListBox.GetIndexForPoint( rPoint, nPos ); + } + + css::uno::Reference< css::datatransfer::clipboard::XClipboard > + GetClipboard() override + { + return m_aComboListBox.GetClipboard(); + } + +}; + + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |