Files
libreoffice/accessibility/source/standard/vclxaccessiblebutton.cxx
2012-09-29 15:07:42 +01:00

317 lines
10 KiB
C++

/* -*- 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 <accessibility/standard/vclxaccessiblebutton.hxx>
#include <accessibility/helper/accresmgr.hxx>
#include <accessibility/helper/accessiblestrings.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 <cppuhelper/typeprovider.hxx>
#include <comphelper/sequence.hxx>
#include <vcl/button.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
// -----------------------------------------------------------------------------
VCLXAccessibleButton::VCLXAccessibleButton( VCLXWindow* pVCLWindow )
:VCLXAccessibleTextComponent( pVCLWindow )
{
}
// -----------------------------------------------------------------------------
VCLXAccessibleButton::~VCLXAccessibleButton()
{
}
// -----------------------------------------------------------------------------
void VCLXAccessibleButton::ProcessWindowEvent( const VclWindowEvent& rVclWindowEvent )
{
switch ( rVclWindowEvent.GetId() )
{
case VCLEVENT_PUSHBUTTON_TOGGLE:
{
Any aOldValue;
Any aNewValue;
PushButton* pButton = (PushButton*) GetWindow();
if ( pButton && pButton->GetState() == STATE_CHECK )
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 );
PushButton* pButton = (PushButton*) GetWindow();
if ( pButton )
{
rStateSet.AddState( AccessibleStateType::FOCUSABLE );
if ( pButton->GetState() == STATE_CHECK )
rStateSet.AddState( AccessibleStateType::CHECKED );
if ( pButton->IsPressed() )
rStateSet.AddState( AccessibleStateType::PRESSED );
}
}
// -----------------------------------------------------------------------------
// XInterface
// -----------------------------------------------------------------------------
IMPLEMENT_FORWARD_XINTERFACE2( VCLXAccessibleButton, VCLXAccessibleTextComponent, VCLXAccessibleButton_BASE )
// -----------------------------------------------------------------------------
// XTypeProvider
// -----------------------------------------------------------------------------
IMPLEMENT_FORWARD_XTYPEPROVIDER2( VCLXAccessibleButton, VCLXAccessibleTextComponent, VCLXAccessibleButton_BASE )
// -----------------------------------------------------------------------------
// XServiceInfo
// -----------------------------------------------------------------------------
OUString VCLXAccessibleButton::getImplementationName() throw (RuntimeException)
{
return OUString( "com.sun.star.comp.toolkit.AccessibleButton" );
}
// -----------------------------------------------------------------------------
Sequence< OUString > VCLXAccessibleButton::getSupportedServiceNames() throw (RuntimeException)
{
Sequence< OUString > aNames(1);
aNames[0] = "com.sun.star.awt.AccessibleButton";
return aNames;
}
// -----------------------------------------------------------------------------
// XAccessibleContext
// -----------------------------------------------------------------------------
OUString VCLXAccessibleButton::getAccessibleName( ) throw (RuntimeException)
{
OExternalLockGuard aGuard( this );
OUString aName( VCLXAccessibleTextComponent::getAccessibleName() );
sal_Int32 nLength = aName.getLength();
if ( nLength >= 3 && aName.matchAsciiL( RTL_CONSTASCII_STRINGPARAM("..."), nLength - 3 ) )
{
if ( nLength == 3 )
{
// it's a browse button
aName = OUString( TK_RES_STRING( RID_STR_ACC_NAME_BROWSEBUTTON ) );
}
else
{
// remove the three trailing dots
aName = aName.copy( 0, nLength - 3 );
}
}
else if ( nLength >= 3 && aName.matchAsciiL( RTL_CONSTASCII_STRINGPARAM("<< "), 0 ) )
{
// remove the leading symbols
aName = aName.copy( 3, nLength - 3 );
}
else if ( nLength >= 3 && aName.matchAsciiL( RTL_CONSTASCII_STRINGPARAM(" >>"), nLength - 3 ) )
{
// remove the trailing symbols
aName = aName.copy( 0, nLength - 3 );
}
return aName;
}
// -----------------------------------------------------------------------------
// XAccessibleAction
// -----------------------------------------------------------------------------
sal_Int32 VCLXAccessibleButton::getAccessibleActionCount( ) throw (RuntimeException)
{
OExternalLockGuard aGuard( this );
return 1;
}
// -----------------------------------------------------------------------------
sal_Bool VCLXAccessibleButton::doAccessibleAction ( sal_Int32 nIndex ) throw (IndexOutOfBoundsException, RuntimeException)
{
OExternalLockGuard aGuard( this );
if ( nIndex < 0 || nIndex >= getAccessibleActionCount() )
throw IndexOutOfBoundsException();
PushButton* pButton = (PushButton*) GetWindow();
if ( pButton )
pButton->Click();
return sal_True;
}
// -----------------------------------------------------------------------------
OUString VCLXAccessibleButton::getAccessibleActionDescription ( sal_Int32 nIndex ) throw (IndexOutOfBoundsException, RuntimeException)
{
OExternalLockGuard aGuard( this );
if ( nIndex < 0 || nIndex >= getAccessibleActionCount() )
throw IndexOutOfBoundsException();
return OUString( TK_RES_STRING( RID_STR_ACC_ACTION_CLICK ) );
}
// -----------------------------------------------------------------------------
Reference< XAccessibleKeyBinding > VCLXAccessibleButton::getAccessibleActionKeyBinding( sal_Int32 nIndex ) throw (IndexOutOfBoundsException, RuntimeException)
{
OExternalLockGuard aGuard( this );
if ( nIndex < 0 || nIndex >= getAccessibleActionCount() )
throw IndexOutOfBoundsException();
OAccessibleKeyBindingHelper* pKeyBindingHelper = new OAccessibleKeyBindingHelper();
Reference< XAccessibleKeyBinding > xKeyBinding = pKeyBindingHelper;
Window* pWindow = GetWindow();
if ( pWindow )
{
KeyEvent aKeyEvent = pWindow->GetActivationKey();
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( ) throw (RuntimeException)
{
OExternalLockGuard aGuard( this );
Any aValue;
PushButton* pButton = (PushButton*) GetWindow();
if ( pButton )
aValue <<= (sal_Int32) pButton->IsPressed();
return aValue;
}
// -----------------------------------------------------------------------------
sal_Bool VCLXAccessibleButton::setCurrentValue( const Any& aNumber ) throw (RuntimeException)
{
OExternalLockGuard aGuard( this );
sal_Bool bReturn = sal_False;
PushButton* pButton = (PushButton*) GetWindow();
if ( pButton )
{
sal_Int32 nValue = 0;
OSL_VERIFY( aNumber >>= nValue );
if ( nValue < 0 )
nValue = 0;
else if ( nValue > 1 )
nValue = 1;
pButton->SetPressed( (sal_Bool) nValue );
bReturn = sal_True;
}
return bReturn;
}
// -----------------------------------------------------------------------------
Any VCLXAccessibleButton::getMaximumValue( ) throw (RuntimeException)
{
OExternalLockGuard aGuard( this );
Any aValue;
aValue <<= (sal_Int32) 1;
return aValue;
}
// -----------------------------------------------------------------------------
Any VCLXAccessibleButton::getMinimumValue( ) throw (RuntimeException)
{
OExternalLockGuard aGuard( this );
Any aValue;
aValue <<= (sal_Int32) 0;
return aValue;
}
// -----------------------------------------------------------------------------
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */