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Diffstat (limited to 'accessibility/source/standard/vclxaccessiblebutton.cxx')
| -rw-r--r-- | accessibility/source/standard/vclxaccessiblebutton.cxx | 301 |
1 files changed, 301 insertions, 0 deletions
diff --git a/accessibility/source/standard/vclxaccessiblebutton.cxx b/accessibility/source/standard/vclxaccessiblebutton.cxx new file mode 100644 index 000000000..f0ade105c --- /dev/null +++ b/accessibility/source/standard/vclxaccessiblebutton.cxx @@ -0,0 +1,301 @@ +/* -*- 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/vclxaccessiblebutton.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 <strings.hxx> + +#include <vcl/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; + + +// VCLXAccessibleButton + + +void VCLXAccessibleButton::ProcessWindowEvent( const VclWindowEvent& rVclWindowEvent ) +{ + switch ( rVclWindowEvent.GetId() ) + { + case VclEventId::PushbuttonToggle: + { + Any aOldValue; + Any aNewValue; + + VclPtr< PushButton > pButton = GetAs< PushButton >(); + if ( pButton && pButton->GetState() == TRISTATE_TRUE ) + aNewValue <<= AccessibleStateType::CHECKED; + else + aOldValue <<= AccessibleStateType::CHECKED; + + NotifyAccessibleEvent( AccessibleEventId::STATE_CHANGED, aOldValue, aNewValue ); + } + break; + default: + VCLXAccessibleTextComponent::ProcessWindowEvent( rVclWindowEvent ); + } +} + + +void VCLXAccessibleButton::FillAccessibleStateSet( utl::AccessibleStateSetHelper& rStateSet ) +{ + VCLXAccessibleTextComponent::FillAccessibleStateSet( rStateSet ); + + VclPtr< PushButton > pButton = GetAs< PushButton >(); + if ( !pButton ) + return; + + rStateSet.AddState( AccessibleStateType::FOCUSABLE ); + + if ( pButton->GetState() == TRISTATE_TRUE ) + rStateSet.AddState( AccessibleStateType::CHECKED ); + + if ( pButton->IsPressed() ) + rStateSet.AddState( AccessibleStateType::PRESSED ); + + // IA2 CWS: if the button has a popup menu, it should has the state EXPANDABLE + if( pButton->GetType() == WindowType::MENUBUTTON ) + { + rStateSet.AddState( AccessibleStateType::EXPANDABLE ); + } + if( pButton->GetStyle() & WB_DEFBUTTON ) + { + rStateSet.AddState( AccessibleStateType::DEFAULT ); + } +} + + +// XInterface + + +IMPLEMENT_FORWARD_XINTERFACE2( VCLXAccessibleButton, VCLXAccessibleTextComponent, VCLXAccessibleButton_BASE ) + + +// XTypeProvider + + +IMPLEMENT_FORWARD_XTYPEPROVIDER2( VCLXAccessibleButton, VCLXAccessibleTextComponent, VCLXAccessibleButton_BASE ) + + +// XServiceInfo + + +OUString VCLXAccessibleButton::getImplementationName() +{ + return "com.sun.star.comp.toolkit.AccessibleButton"; +} + + +Sequence< OUString > VCLXAccessibleButton::getSupportedServiceNames() +{ + return { "com.sun.star.awt.AccessibleButton" }; +} + + +// XAccessibleContext + + +OUString VCLXAccessibleButton::getAccessibleName( ) +{ + OUString aName( VCLXAccessibleTextComponent::getAccessibleName() ); + sal_Int32 nLength = aName.getLength(); + + if ( nLength >= 3 && aName.match( "...", nLength - 3 ) ) + { + if ( nLength == 3 ) + { + // it's a browse button + aName = AccResId( RID_STR_ACC_NAME_BROWSEBUTTON ); + } + else + { + // remove the three trailing dots + aName = aName.copy( 0, nLength - 3 ); + } + } + else if ( nLength >= 3 && aName.match( "<< ", 0 ) ) + { + // remove the leading symbols + aName = aName.copy( 3, nLength - 3 ); + } + else if ( nLength >= 3 && aName.match( " >>", nLength - 3 ) ) + { + // remove the trailing symbols + aName = aName.copy( 0, nLength - 3 ); + } + + return aName; +} + + +// XAccessibleAction + + +sal_Int32 VCLXAccessibleButton::getAccessibleActionCount( ) +{ + OExternalLockGuard aGuard( this ); + + return 1; +} + + +sal_Bool VCLXAccessibleButton::doAccessibleAction ( sal_Int32 nIndex ) +{ + OExternalLockGuard aGuard( this ); + + if ( nIndex != 0 ) + throw IndexOutOfBoundsException(); + + VclPtr< PushButton > pButton = GetAs< PushButton >(); + if ( pButton ) + pButton->Click(); + + return true; +} + + +OUString VCLXAccessibleButton::getAccessibleActionDescription ( sal_Int32 nIndex ) +{ + OExternalLockGuard aGuard( this ); + + if ( nIndex != 0 ) + throw IndexOutOfBoundsException(); + + return RID_STR_ACC_ACTION_CLICK; +} + + +Reference< XAccessibleKeyBinding > VCLXAccessibleButton::getAccessibleActionKeyBinding( sal_Int32 nIndex ) +{ + OExternalLockGuard aGuard( this ); + + if ( nIndex != 0 ) + throw IndexOutOfBoundsException(); + + OAccessibleKeyBindingHelper* pKeyBindingHelper = new OAccessibleKeyBindingHelper(); + Reference< XAccessibleKeyBinding > xKeyBinding = pKeyBindingHelper; + + 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 xKeyBinding; +} + + +// XAccessibleValue + + +Any VCLXAccessibleButton::getCurrentValue( ) +{ + OExternalLockGuard aGuard( this ); + + Any aValue; + + VclPtr< PushButton > pButton = GetAs< PushButton >(); + if ( pButton ) + aValue <<= static_cast<sal_Int32>(pButton->IsPressed()); + + return aValue; +} + + +sal_Bool VCLXAccessibleButton::setCurrentValue( const Any& aNumber ) +{ + OExternalLockGuard aGuard( this ); + + bool bReturn = false; + + VclPtr< PushButton > pButton = GetAs< PushButton >(); + if ( pButton ) + { + sal_Int32 nValue = 0; + OSL_VERIFY( aNumber >>= nValue ); + + if ( nValue < 0 ) + nValue = 0; + else if ( nValue > 1 ) + nValue = 1; + + pButton->SetPressed( nValue == 1 ); + bReturn = true; + } + + return bReturn; +} + + +Any VCLXAccessibleButton::getMaximumValue( ) +{ + OExternalLockGuard aGuard( this ); + + Any aValue; + aValue <<= sal_Int32(1); + + return aValue; +} + + +Any VCLXAccessibleButton::getMinimumValue( ) +{ + OExternalLockGuard aGuard( this ); + + Any aValue; + aValue <<= sal_Int32(0); + + return aValue; +} + + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |