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/* -*- 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 <standard/vclxaccessiblemenuitem.hxx>
#include <toolkit/helper/convert.hxx>
#include <helper/characterattributeshelper.hxx>
#include <comphelper/accessiblekeybindinghelper.hxx>
#include <com/sun/star/awt/KeyModifier.hpp>
#include <com/sun/star/accessibility/AccessibleRole.hpp>
#include <com/sun/star/accessibility/AccessibleStateType.hpp>
#include <com/sun/star/datatransfer/clipboard/XClipboard.hpp>
#include <com/sun/star/datatransfer/clipboard/XFlushableClipboard.hpp>
#include <com/sun/star/lang/IndexOutOfBoundsException.hpp>
#include <unotools/accessiblestatesethelper.hxx>
#include <comphelper/sequence.hxx>
#include <i18nlangtag/languagetag.hxx>
#include <vcl/event.hxx>
#include <vcl/svapp.hxx>
#include <vcl/window.hxx>
#include <vcl/menu.hxx>
#include <vcl/unohelp2.hxx>
#include <vcl/settings.hxx>
#include <strings.hxx>
using namespace ::com::sun::star::accessibility;
using namespace ::com::sun::star::uno;
using namespace ::com::sun::star::beans;
using namespace ::com::sun::star::lang;
using namespace ::com::sun::star;
using namespace ::comphelper;
VCLXAccessibleMenuItem::VCLXAccessibleMenuItem( Menu* pParent, sal_uInt16 nItemPos, Menu* pMenu )
:OAccessibleMenuItemComponent( pParent, nItemPos, pMenu )
{
}
bool VCLXAccessibleMenuItem::IsFocused()
{
return IsHighlighted();
}
bool VCLXAccessibleMenuItem::IsSelected()
{
return IsHighlighted();
}
bool VCLXAccessibleMenuItem::IsChecked()
{
bool bChecked = false;
if ( m_pParent )
{
sal_uInt16 nItemId = m_pParent->GetItemId( m_nItemPos );
if ( m_pParent->IsItemChecked( nItemId ) )
bChecked = true;
}
return bChecked;
}
bool VCLXAccessibleMenuItem::IsHighlighted()
{
bool bHighlighted = false;
if ( m_pParent && m_pParent->IsHighlighted( m_nItemPos ) )
bHighlighted = true;
return bHighlighted;
}
void VCLXAccessibleMenuItem::FillAccessibleStateSet( utl::AccessibleStateSetHelper& rStateSet )
{
OAccessibleMenuItemComponent::FillAccessibleStateSet( rStateSet );
rStateSet.AddState( AccessibleStateType::FOCUSABLE );
if ( IsFocused() )
rStateSet.AddState( AccessibleStateType::FOCUSED );
rStateSet.AddState( AccessibleStateType::SELECTABLE );
if ( IsSelected() )
rStateSet.AddState( AccessibleStateType::SELECTED );
if ( IsChecked() )
rStateSet.AddState( AccessibleStateType::CHECKED );
}
// OCommonAccessibleText
OUString VCLXAccessibleMenuItem::implGetText()
{
return m_sItemText;
}
Locale VCLXAccessibleMenuItem::implGetLocale()
{
return Application::GetSettings().GetLanguageTag().getLocale();
}
void VCLXAccessibleMenuItem::implGetSelection( sal_Int32& nStartIndex, sal_Int32& nEndIndex )
{
nStartIndex = 0;
nEndIndex = 0;
}
// XInterface
IMPLEMENT_FORWARD_XINTERFACE2( VCLXAccessibleMenuItem, OAccessibleMenuItemComponent, VCLXAccessibleMenuItem_BASE )
// XTypeProvider
IMPLEMENT_FORWARD_XTYPEPROVIDER2( VCLXAccessibleMenuItem, OAccessibleMenuItemComponent, VCLXAccessibleMenuItem_BASE )
// XServiceInfo
OUString VCLXAccessibleMenuItem::getImplementationName()
{
return "com.sun.star.comp.toolkit.AccessibleMenuItem";
}
Sequence< OUString > VCLXAccessibleMenuItem::getSupportedServiceNames()
{
return { "com.sun.star.awt.AccessibleMenuItem" };
}
// XAccessibleContext
sal_Int16 VCLXAccessibleMenuItem::getAccessibleRole( )
{
OExternalLockGuard aGuard( this );
// IA2 CWS. MT: We had the additional roles in UAA for ever, but never used them anywhere.
// Looks reasonable, but need to verify in Orca and VoiceOver.
sal_Int16 nRole = AccessibleRole::MENU_ITEM;
if ( m_pParent )
{
sal_uInt16 nItemId = m_pParent->GetItemId( m_nItemPos );
MenuItemBits nItemBits = m_pParent->GetItemBits(nItemId);
if( nItemBits & MenuItemBits::RADIOCHECK)
nRole = AccessibleRole::RADIO_MENU_ITEM;
else if( nItemBits & MenuItemBits::CHECKABLE)
nRole = AccessibleRole::CHECK_MENU_ITEM;
}
return nRole;
}
// XAccessibleText
sal_Int32 VCLXAccessibleMenuItem::getCaretPosition()
{
return -1;
}
sal_Bool VCLXAccessibleMenuItem::setCaretPosition( sal_Int32 nIndex )
{
OExternalLockGuard aGuard( this );
if ( !implIsValidRange( nIndex, nIndex, m_sItemText.getLength() ) )
throw IndexOutOfBoundsException();
return false;
}
sal_Unicode VCLXAccessibleMenuItem::getCharacter( sal_Int32 nIndex )
{
OExternalLockGuard aGuard( this );
return OCommonAccessibleText::implGetCharacter( implGetText(), nIndex );
}
Sequence< PropertyValue > VCLXAccessibleMenuItem::getCharacterAttributes( sal_Int32 nIndex, const Sequence< OUString >& aRequestedAttributes )
{
OExternalLockGuard aGuard( this );
if ( !implIsValidIndex( nIndex, m_sItemText.getLength() ) )
throw IndexOutOfBoundsException();
vcl::Font aFont = Application::GetSettings().GetStyleSettings().GetMenuFont();
sal_Int32 nBackColor = getBackground();
sal_Int32 nColor = getForeground();
return CharacterAttributesHelper( aFont, nBackColor, nColor )
.GetCharacterAttributes( aRequestedAttributes );
}
awt::Rectangle VCLXAccessibleMenuItem::getCharacterBounds( sal_Int32 nIndex )
{
OExternalLockGuard aGuard( this );
if ( !implIsValidIndex( nIndex, m_sItemText.getLength() ) )
throw IndexOutOfBoundsException();
awt::Rectangle aBounds( 0, 0, 0, 0 );
if ( m_pParent )
{
sal_uInt16 nItemId = m_pParent->GetItemId( m_nItemPos );
tools::Rectangle aItemRect = m_pParent->GetBoundingRectangle( m_nItemPos );
tools::Rectangle aCharRect = m_pParent->GetCharacterBounds( nItemId, nIndex );
aCharRect.Move( -aItemRect.Left(), -aItemRect.Top() );
aBounds = AWTRectangle( aCharRect );
}
return aBounds;
}
sal_Int32 VCLXAccessibleMenuItem::getCharacterCount()
{
OExternalLockGuard aGuard( this );
return m_sItemText.getLength();
}
sal_Int32 VCLXAccessibleMenuItem::getIndexAtPoint( const awt::Point& aPoint )
{
OExternalLockGuard aGuard( this );
sal_Int32 nIndex = -1;
if ( m_pParent )
{
sal_uInt16 nItemId = 0;
tools::Rectangle aItemRect = m_pParent->GetBoundingRectangle( m_nItemPos );
Point aPnt( VCLPoint( aPoint ) );
aPnt += aItemRect.TopLeft();
sal_Int32 nI = m_pParent->GetIndexForPoint( aPnt, nItemId );
if ( nI != -1 && m_pParent->GetItemId( m_nItemPos ) == nItemId )
nIndex = nI;
}
return nIndex;
}
OUString VCLXAccessibleMenuItem::getSelectedText()
{
OExternalLockGuard aGuard( this );
return OUString();
}
sal_Int32 VCLXAccessibleMenuItem::getSelectionStart()
{
OExternalLockGuard aGuard( this );
return 0;
}
sal_Int32 VCLXAccessibleMenuItem::getSelectionEnd()
{
OExternalLockGuard aGuard( this );
return 0;
}
sal_Bool VCLXAccessibleMenuItem::setSelection( sal_Int32 nStartIndex, sal_Int32 nEndIndex )
{
OExternalLockGuard aGuard( this );
if ( !implIsValidRange( nStartIndex, nEndIndex, m_sItemText.getLength() ) )
throw IndexOutOfBoundsException();
return false;
}
OUString VCLXAccessibleMenuItem::getText()
{
OExternalLockGuard aGuard( this );
return m_sItemText;
}
OUString VCLXAccessibleMenuItem::getTextRange( sal_Int32 nStartIndex, sal_Int32 nEndIndex )
{
OExternalLockGuard aGuard( this );
return OCommonAccessibleText::implGetTextRange( implGetText(), nStartIndex, nEndIndex );
}
css::accessibility::TextSegment VCLXAccessibleMenuItem::getTextAtIndex( sal_Int32 nIndex, sal_Int16 aTextType )
{
OExternalLockGuard aGuard( this );
return OCommonAccessibleText::getTextAtIndex( nIndex, aTextType );
}
css::accessibility::TextSegment VCLXAccessibleMenuItem::getTextBeforeIndex( sal_Int32 nIndex, sal_Int16 aTextType )
{
OExternalLockGuard aGuard( this );
return OCommonAccessibleText::getTextBeforeIndex( nIndex, aTextType );
}
css::accessibility::TextSegment VCLXAccessibleMenuItem::getTextBehindIndex( sal_Int32 nIndex, sal_Int16 aTextType )
{
OExternalLockGuard aGuard( this );
return OCommonAccessibleText::getTextBehindIndex( nIndex, aTextType );
}
sal_Bool VCLXAccessibleMenuItem::copyText( sal_Int32 nStartIndex, sal_Int32 nEndIndex )
{
OExternalLockGuard aGuard( this );
bool bReturn = false;
if ( m_pParent )
{
vcl::Window* pWindow = m_pParent->GetWindow();
if ( pWindow )
{
Reference< datatransfer::clipboard::XClipboard > xClipboard = pWindow->GetClipboard();
if ( xClipboard.is() )
{
OUString sText( getTextRange( nStartIndex, nEndIndex ) );
vcl::unohelper::TextDataObject* pDataObj = new vcl::unohelper::TextDataObject( sText );
SolarMutexReleaser aReleaser;
xClipboard->setContents( pDataObj, nullptr );
Reference< datatransfer::clipboard::XFlushableClipboard > xFlushableClipboard( xClipboard, uno::UNO_QUERY );
if( xFlushableClipboard.is() )
xFlushableClipboard->flushClipboard();
bReturn = true;
}
}
}
return bReturn;
}
// XAccessibleAction
sal_Int32 VCLXAccessibleMenuItem::getAccessibleActionCount( )
{
return 1;
}
sal_Bool VCLXAccessibleMenuItem::doAccessibleAction ( sal_Int32 nIndex )
{
OExternalLockGuard aGuard( this );
if ( nIndex != 0 )
throw IndexOutOfBoundsException();
Click();
return true;
}
OUString VCLXAccessibleMenuItem::getAccessibleActionDescription ( sal_Int32 nIndex )
{
OExternalLockGuard aGuard( this );
if ( nIndex != 0 )
throw IndexOutOfBoundsException();
return RID_STR_ACC_ACTION_SELECT;
}
Reference< XAccessibleKeyBinding > VCLXAccessibleMenuItem::getAccessibleActionKeyBinding( sal_Int32 nIndex )
{
OExternalLockGuard aGuard( this );
if ( nIndex != 0 )
throw IndexOutOfBoundsException();
OAccessibleKeyBindingHelper* pKeyBindingHelper = new OAccessibleKeyBindingHelper();
Reference< XAccessibleKeyBinding > xKeyBinding = pKeyBindingHelper;
if ( m_pParent )
{
// create auto mnemonics
if (!(m_pParent->GetMenuFlags() & MenuFlags::NoAutoMnemonics))
m_pParent->CreateAutoMnemonics();
// activation key
KeyEvent aKeyEvent = m_pParent->GetActivationKey( m_pParent->GetItemId( m_nItemPos ) );
vcl::KeyCode aKeyCode = aKeyEvent.GetKeyCode();
Sequence< awt::KeyStroke > aSeq1(1);
aSeq1[0].Modifiers = 0;
Reference< XAccessible > xParent( getAccessibleParent() );
if ( xParent.is() )
{
Reference< XAccessibleContext > xParentContext( xParent->getAccessibleContext() );
if ( xParentContext.is() && xParentContext->getAccessibleRole() == AccessibleRole::MENU_BAR )
aSeq1[0].Modifiers |= awt::KeyModifier::MOD2;
}
aSeq1[0].KeyCode = aKeyCode.GetCode();
aSeq1[0].KeyChar = aKeyEvent.GetCharCode();
aSeq1[0].KeyFunc = static_cast< sal_Int16 >( aKeyCode.GetFunction() );
pKeyBindingHelper->AddKeyBinding( aSeq1 );
// complete menu activation key sequence
Sequence< awt::KeyStroke > aSeq;
if ( xParent.is() )
{
Reference< XAccessibleContext > xParentContext( xParent->getAccessibleContext() );
if ( xParentContext.is() && xParentContext->getAccessibleRole() == AccessibleRole::MENU )
{
Reference< XAccessibleAction > xAction( xParentContext, UNO_QUERY );
if ( xAction.is() && xAction->getAccessibleActionCount() > 0 )
{
Reference< XAccessibleKeyBinding > xKeyB( xAction->getAccessibleActionKeyBinding( 0 ) );
if ( xKeyB.is() && xKeyB->getAccessibleKeyBindingCount() > 1 )
aSeq = xKeyB->getAccessibleKeyBinding( 1 );
}
}
}
Sequence< awt::KeyStroke > aSeq2 = ::comphelper::concatSequences( aSeq, aSeq1 );
pKeyBindingHelper->AddKeyBinding( aSeq2 );
// accelerator key
vcl::KeyCode aAccelKeyCode = m_pParent->GetAccelKey( m_pParent->GetItemId( m_nItemPos ) );
if ( aAccelKeyCode.GetCode() != 0 )
{
Sequence< awt::KeyStroke > aSeq3(1);
aSeq3[0].Modifiers = 0;
if ( aAccelKeyCode.IsShift() )
aSeq3[0].Modifiers |= awt::KeyModifier::SHIFT;
if ( aAccelKeyCode.IsMod1() )
aSeq3[0].Modifiers |= awt::KeyModifier::MOD1;
if ( aAccelKeyCode.IsMod2() )
aSeq3[0].Modifiers |= awt::KeyModifier::MOD2;
if ( aAccelKeyCode.IsMod3() )
aSeq3[0].Modifiers |= awt::KeyModifier::MOD3;
aSeq3[0].KeyCode = aAccelKeyCode.GetCode();
aSeq3[0].KeyFunc = static_cast< sal_Int16 >( aAccelKeyCode.GetFunction() );
pKeyBindingHelper->AddKeyBinding( aSeq3 );
}
}
return xKeyBinding;
}
// XAccessibleValue
Any VCLXAccessibleMenuItem::getCurrentValue( )
{
OExternalLockGuard aGuard( this );
Any aValue;
if ( IsSelected() )
aValue <<= sal_Int32(1);
else
aValue <<= sal_Int32(0);
return aValue;
}
sal_Bool VCLXAccessibleMenuItem::setCurrentValue( const Any& aNumber )
{
OExternalLockGuard aGuard( this );
bool bReturn = false;
sal_Int32 nValue = 0;
OSL_VERIFY( aNumber >>= nValue );
if ( nValue <= 0 )
{
DeSelect();
bReturn = true;
}
else if ( nValue >= 1 )
{
Select();
bReturn = true;
}
return bReturn;
}
Any VCLXAccessibleMenuItem::getMaximumValue( )
{
Any aValue;
aValue <<= sal_Int32(1);
return aValue;
}
Any VCLXAccessibleMenuItem::getMinimumValue( )
{
Any aValue;
aValue <<= sal_Int32(0);
return aValue;
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
|