diff options
Diffstat (limited to 'vcl/unx/gtk/a11y/atkvalue.cxx')
-rw-r--r-- | vcl/unx/gtk/a11y/atkvalue.cxx | 147 |
1 files changed, 147 insertions, 0 deletions
diff --git a/vcl/unx/gtk/a11y/atkvalue.cxx b/vcl/unx/gtk/a11y/atkvalue.cxx new file mode 100644 index 000000000000..9b8e9743eb18 --- /dev/null +++ b/vcl/unx/gtk/a11y/atkvalue.cxx @@ -0,0 +1,147 @@ +/************************************************************************* + * + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + * + * Copyright 2000, 2010 Oracle and/or its affiliates. + * + * OpenOffice.org - a multi-platform office productivity suite + * + * This file is part of OpenOffice.org. + * + * OpenOffice.org is free software: you can redistribute it and/or modify + * it under the terms of the GNU Lesser General Public License version 3 + * only, as published by the Free Software Foundation. + * + * OpenOffice.org is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU Lesser General Public License version 3 for more details + * (a copy is included in the LICENSE file that accompanied this code). + * + * You should have received a copy of the GNU Lesser General Public License + * version 3 along with OpenOffice.org. If not, see + * <http://www.openoffice.org/license.html> + * for a copy of the LGPLv3 License. + * + ************************************************************************/ + +// MARKER(update_precomp.py): autogen include statement, do not remove +#include "precompiled_vcl.hxx" + +#include "atkwrapper.hxx" + +#include <com/sun/star/accessibility/XAccessibleValue.hpp> + +#include <stdio.h> +#include <string.h> + +using namespace ::com::sun::star; + +static accessibility::XAccessibleValue* + getValue( AtkValue *pValue ) throw (uno::RuntimeException) +{ + AtkObjectWrapper *pWrap = ATK_OBJECT_WRAPPER( pValue ); + if( pWrap ) + { + if( !pWrap->mpValue && pWrap->mpContext ) + { + uno::Any any = pWrap->mpContext->queryInterface( accessibility::XAccessibleValue::static_type(NULL) ); + pWrap->mpValue = reinterpret_cast< accessibility::XAccessibleValue * > (any.pReserved); + pWrap->mpValue->acquire(); + } + + return pWrap->mpValue; + } + + return NULL; +} + +static void anyToGValue( uno::Any aAny, GValue *pValue ) +{ + // FIXME: expand to lots of types etc. + double aDouble=0; + aAny >>= aDouble; + + memset( pValue, 0, sizeof( GValue ) ); + g_value_init( pValue, G_TYPE_DOUBLE ); + g_value_set_double( pValue, aDouble ); +} + +extern "C" { + +static void +value_wrapper_get_current_value( AtkValue *value, + GValue *gval ) +{ + try { + accessibility::XAccessibleValue* pValue = getValue( value ); + if( pValue ) + anyToGValue( pValue->getCurrentValue(), gval ); + } + catch(const uno::Exception& e) { + g_warning( "Exception in getCurrentValue()" ); + } +} + +static void +value_wrapper_get_maximum_value( AtkValue *value, + GValue *gval ) +{ + try { + accessibility::XAccessibleValue* pValue = getValue( value ); + if( pValue ) + anyToGValue( pValue->getMaximumValue(), gval ); + } + catch(const uno::Exception& e) { + g_warning( "Exception in getCurrentValue()" ); + } +} + +static void +value_wrapper_get_minimum_value( AtkValue *value, + GValue *gval ) +{ + try { + accessibility::XAccessibleValue* pValue = getValue( value ); + if( pValue ) + anyToGValue( pValue->getMinimumValue(), gval ); + } + catch(const uno::Exception& e) { + g_warning( "Exception in getCurrentValue()" ); + } +} + +static gboolean +value_wrapper_set_current_value( AtkValue *value, + const GValue *gval ) +{ + try { + accessibility::XAccessibleValue* pValue = getValue( value ); + if( pValue ) + { + // FIXME - this needs expanding + double aDouble = g_value_get_double( gval ); + uno::Any aAny; + aAny <<= aDouble; + return pValue->setCurrentValue( aAny ); + } + } + catch(const uno::Exception& e) { + g_warning( "Exception in getCurrentValue()" ); + } + + return FALSE; +} + +} // extern "C" + +void +valueIfaceInit (AtkValueIface *iface) +{ + g_return_if_fail (iface != NULL); + + iface->get_current_value = value_wrapper_get_current_value; + iface->get_maximum_value = value_wrapper_get_maximum_value; + iface->get_minimum_value = value_wrapper_get_minimum_value; + iface->set_current_value = value_wrapper_set_current_value; +} |