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Diffstat (limited to 'accessibility/source/standard/vclxaccessiblecheckbox.cxx')
| -rw-r--r-- | accessibility/source/standard/vclxaccessiblecheckbox.cxx | 342 |
1 files changed, 342 insertions, 0 deletions
diff --git a/accessibility/source/standard/vclxaccessiblecheckbox.cxx b/accessibility/source/standard/vclxaccessiblecheckbox.cxx new file mode 100644 index 000000000..20cf2138b --- /dev/null +++ b/accessibility/source/standard/vclxaccessiblecheckbox.cxx @@ -0,0 +1,342 @@ +/* -*- 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/vclxaccessiblecheckbox.hxx> + +#include <toolkit/awt/vclxwindows.hxx> +#include <helper/accresmgr.hxx> +#include <strings.hrc> + +#include <unotools/accessiblestatesethelper.hxx> +#include <comphelper/accessiblekeybindinghelper.hxx> +#include <com/sun/star/awt/KeyModifier.hpp> +#include <com/sun/star/accessibility/AccessibleStateType.hpp> +#include <com/sun/star/accessibility/AccessibleEventId.hpp> +#include <com/sun/star/lang/IndexOutOfBoundsException.hpp> + +#include <vcl/toolkit/button.hxx> +#include <vcl/event.hxx> +#include <vcl/vclevent.hxx> + +using namespace ::com::sun::star; +using namespace ::com::sun::star::uno; +using namespace ::com::sun::star::lang; +using namespace ::com::sun::star::beans; +using namespace ::com::sun::star::accessibility; +using namespace ::comphelper; + + +// VCLXAccessibleCheckBox + + +VCLXAccessibleCheckBox::VCLXAccessibleCheckBox( VCLXWindow* pVCLWindow ) + :VCLXAccessibleTextComponent( pVCLWindow ) +{ + m_bChecked = IsChecked(); + m_bIndeterminate = IsIndeterminate(); +} + + +bool VCLXAccessibleCheckBox::IsChecked() const +{ + bool bChecked = false; + + VCLXCheckBox* pVCLXCheckBox = static_cast< VCLXCheckBox* >( GetVCLXWindow() ); + if ( pVCLXCheckBox && pVCLXCheckBox->getState() == sal_Int16(1) ) + bChecked = true; + + return bChecked; +} + + +bool VCLXAccessibleCheckBox::IsIndeterminate() const +{ + bool bIndeterminate = false; + + VCLXCheckBox* pVCLXCheckBox = static_cast< VCLXCheckBox* >( GetVCLXWindow() ); + if ( pVCLXCheckBox && pVCLXCheckBox->getState() == sal_Int16(2) ) + bIndeterminate = true; + + return bIndeterminate; +} + + +void VCLXAccessibleCheckBox::SetChecked( bool bChecked ) +{ + if ( m_bChecked != bChecked ) + { + Any aOldValue, aNewValue; + if ( m_bChecked ) + aOldValue <<= AccessibleStateType::CHECKED; + else + aNewValue <<= AccessibleStateType::CHECKED; + m_bChecked = bChecked; + NotifyAccessibleEvent( AccessibleEventId::STATE_CHANGED, aOldValue, aNewValue ); + } +} + + +void VCLXAccessibleCheckBox::SetIndeterminate( bool bIndeterminate ) +{ + if ( m_bIndeterminate != bIndeterminate ) + { + Any aOldValue, aNewValue; + if ( m_bIndeterminate ) + aOldValue <<= AccessibleStateType::INDETERMINATE; + else + aNewValue <<= AccessibleStateType::INDETERMINATE; + m_bIndeterminate = bIndeterminate; + NotifyAccessibleEvent( AccessibleEventId::STATE_CHANGED, aOldValue, aNewValue ); + } +} + + +void VCLXAccessibleCheckBox::ProcessWindowEvent( const VclWindowEvent& rVclWindowEvent ) +{ + switch ( rVclWindowEvent.GetId() ) + { + case VclEventId::CheckboxToggle: + { + SetChecked( IsChecked() ); + SetIndeterminate( IsIndeterminate() ); + } + break; + default: + VCLXAccessibleTextComponent::ProcessWindowEvent( rVclWindowEvent ); + } +} + + +void VCLXAccessibleCheckBox::FillAccessibleStateSet( utl::AccessibleStateSetHelper& rStateSet ) +{ + VCLXAccessibleTextComponent::FillAccessibleStateSet( rStateSet ); + + rStateSet.AddState( AccessibleStateType::FOCUSABLE ); + + if ( IsChecked() ) + rStateSet.AddState( AccessibleStateType::CHECKED ); + + if ( IsIndeterminate() ) + rStateSet.AddState( AccessibleStateType::INDETERMINATE ); +} + + +// XInterface + + +IMPLEMENT_FORWARD_XINTERFACE2( VCLXAccessibleCheckBox, VCLXAccessibleTextComponent, VCLXAccessibleCheckBox_BASE ) + + +// XTypeProvider + + +IMPLEMENT_FORWARD_XTYPEPROVIDER2( VCLXAccessibleCheckBox, VCLXAccessibleTextComponent, VCLXAccessibleCheckBox_BASE ) + + +// XServiceInfo + + +OUString VCLXAccessibleCheckBox::getImplementationName() +{ + return "com.sun.star.comp.toolkit.AccessibleCheckBox"; +} + + +Sequence< OUString > VCLXAccessibleCheckBox::getSupportedServiceNames() +{ + return { "com.sun.star.awt.AccessibleCheckBox" }; +} + + +// XAccessibleAction + + +sal_Int32 VCLXAccessibleCheckBox::getAccessibleActionCount( ) +{ + OExternalLockGuard aGuard( this ); + + return 1; +} + + +sal_Bool VCLXAccessibleCheckBox::doAccessibleAction ( sal_Int32 nIndex ) +{ + OExternalLockGuard aGuard( this ); + + if ( nIndex != 0 ) + throw IndexOutOfBoundsException(); + + VclPtr< CheckBox > pCheckBox = GetAs< CheckBox >(); + VCLXCheckBox* pVCLXCheckBox = static_cast< VCLXCheckBox* >( GetVCLXWindow() ); + if ( pCheckBox && pVCLXCheckBox ) + { + sal_Int32 nValueMax = sal_Int32(1); + + if ( pCheckBox->IsTriStateEnabled() ) + nValueMax = sal_Int32(2); + + sal_Int32 nValue = static_cast<sal_Int32>(pVCLXCheckBox->getState()); + + ++nValue; + + if ( nValue > nValueMax ) + nValue = 0; + + pVCLXCheckBox->setState( static_cast<sal_Int16>(nValue) ); + } + + return true; +} + + +OUString VCLXAccessibleCheckBox::getAccessibleActionDescription ( sal_Int32 nIndex ) +{ + OExternalLockGuard aGuard( this ); + + if ( nIndex != 0 ) + throw IndexOutOfBoundsException(); + + if(IsChecked()) + return AccResId( RID_STR_ACC_ACTION_UNCHECK ); + else + return AccResId( RID_STR_ACC_ACTION_CHECK ); +} + + +Reference< XAccessibleKeyBinding > VCLXAccessibleCheckBox::getAccessibleActionKeyBinding( sal_Int32 nIndex ) +{ + OExternalLockGuard aGuard( this ); + + if ( nIndex != 0 ) + throw IndexOutOfBoundsException(); + + rtl::Reference<OAccessibleKeyBindingHelper> pKeyBindingHelper = new OAccessibleKeyBindingHelper(); + + VclPtr<vcl::Window> pWindow = GetWindow(); + if ( pWindow ) + { + KeyEvent aKeyEvent = pWindow->GetActivationKey(); + vcl::KeyCode aKeyCode = aKeyEvent.GetKeyCode(); + if ( aKeyCode.GetCode() != 0 ) + { + awt::KeyStroke aKeyStroke; + aKeyStroke.Modifiers = 0; + if ( aKeyCode.IsShift() ) + aKeyStroke.Modifiers |= awt::KeyModifier::SHIFT; + if ( aKeyCode.IsMod1() ) + aKeyStroke.Modifiers |= awt::KeyModifier::MOD1; + if ( aKeyCode.IsMod2() ) + aKeyStroke.Modifiers |= awt::KeyModifier::MOD2; + if ( aKeyCode.IsMod3() ) + aKeyStroke.Modifiers |= awt::KeyModifier::MOD3; + aKeyStroke.KeyCode = aKeyCode.GetCode(); + aKeyStroke.KeyChar = aKeyEvent.GetCharCode(); + aKeyStroke.KeyFunc = static_cast< sal_Int16 >( aKeyCode.GetFunction() ); + pKeyBindingHelper->AddKeyBinding( aKeyStroke ); + } + } + + return pKeyBindingHelper; +} + + +// XAccessibleValue + + +Any VCLXAccessibleCheckBox::getCurrentValue( ) +{ + OExternalLockGuard aGuard( this ); + + Any aValue; + + VCLXCheckBox* pVCLXCheckBox = static_cast< VCLXCheckBox* >( GetVCLXWindow() ); + if ( pVCLXCheckBox ) + aValue <<= static_cast<sal_Int32>(pVCLXCheckBox->getState()); + + return aValue; +} + + +sal_Bool VCLXAccessibleCheckBox::setCurrentValue( const Any& aNumber ) +{ + OExternalLockGuard aGuard( this ); + + bool bReturn = false; + + VCLXCheckBox* pVCLXCheckBox = static_cast< VCLXCheckBox* >( GetVCLXWindow() ); + if ( pVCLXCheckBox ) + { + sal_Int32 nValue = 0, nValueMin = 0, nValueMax = 0; + OSL_VERIFY( aNumber >>= nValue ); + nValueMax=implGetMaximumValue(); + + if ( nValue < nValueMin ) + nValue = nValueMin; + else if ( nValue > nValueMax ) + nValue = nValueMax; + + pVCLXCheckBox->setState( static_cast<sal_Int16>(nValue) ); + bReturn = true; + } + + return bReturn; +} + + +Any VCLXAccessibleCheckBox::getMaximumValue( ) +{ + OExternalLockGuard aGuard( this ); + + Any aValue; + aValue <<= implGetMaximumValue(); + + return aValue; +} + +sal_Int32 VCLXAccessibleCheckBox::implGetMaximumValue( ) +{ + VclPtr< CheckBox > pCheckBox = GetAs< CheckBox >(); + if ( pCheckBox && pCheckBox->IsTriStateEnabled() ) + return 2; + + return 1; +} + +Any VCLXAccessibleCheckBox::getMinimumValue( ) +{ + OExternalLockGuard aGuard( this ); + + Any aValue; + aValue <<= sal_Int32(0); + + return aValue; +} + +Any VCLXAccessibleCheckBox::getMinimumIncrement( ) +{ + OExternalLockGuard aGuard( this ); + + Any aValue; + aValue <<= sal_Int32(1); + + return aValue; +} + + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |